diff options
| author | Paul Mackerras <paulus@samba.org> | 2005-10-31 03:37:12 +0100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2005-10-31 03:37:12 +0100 |
| commit | 23fd07750a789a66fe88cf173d52a18f1a387da4 (patch) | |
| tree | 06fdd6df35fdb835abdaa9b754d62f6b84b97250 /drivers/net | |
| parent | ppc: remove duplicate export of cur_cpu_spec (diff) | |
| parent | Merge master.kernel.org:/home/rmk/linux-2.6-serial (diff) | |
| download | linux-23fd07750a789a66fe88cf173d52a18f1a387da4.tar.xz linux-23fd07750a789a66fe88cf173d52a18f1a387da4.zip | |
Merge ../linux-2.6 by hand
Diffstat (limited to 'drivers/net')
192 files changed, 15509 insertions, 7204 deletions
diff --git a/drivers/net/8139cp.c b/drivers/net/8139cp.c index bc537440ca02..f822cd3025ff 100644 --- a/drivers/net/8139cp.c +++ b/drivers/net/8139cp.c @@ -1027,8 +1027,7 @@ static void cp_reset_hw (struct cp_private *cp) if (!(cpr8(Cmd) & CmdReset)) return; - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(10); + schedule_timeout_uninterruptible(10); } printk(KERN_ERR "%s: hardware reset timeout\n", cp->dev->name); @@ -1575,6 +1574,7 @@ static struct ethtool_ops cp_ethtool_ops = { .set_wol = cp_set_wol, .get_strings = cp_get_strings, .get_ethtool_stats = cp_get_ethtool_stats, + .get_perm_addr = ethtool_op_get_perm_addr, }; static int cp_ioctl (struct net_device *dev, struct ifreq *rq, int cmd) @@ -1773,6 +1773,7 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) for (i = 0; i < 3; i++) ((u16 *) (dev->dev_addr))[i] = le16_to_cpu (read_eeprom (regs, i + 7, addr_len)); + memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); dev->open = cp_open; dev->stop = cp_close; diff --git a/drivers/net/8139too.c b/drivers/net/8139too.c index 4c2cf7bbd252..30bee11c48bd 100644 --- a/drivers/net/8139too.c +++ b/drivers/net/8139too.c @@ -552,7 +552,8 @@ const static struct { { "RTL-8100B/8139D", HW_REVID(1, 1, 1, 0, 1, 0, 1), - HasLWake, + HasHltClk /* XXX undocumented? */ + | HasLWake, }, { "RTL-8101", @@ -970,6 +971,7 @@ static int __devinit rtl8139_init_one (struct pci_dev *pdev, for (i = 0; i < 3; i++) ((u16 *) (dev->dev_addr))[i] = le16_to_cpu (read_eeprom (ioaddr, i + 7, addr_len)); + memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); /* The Rtl8139-specific entries in the device structure. */ dev->open = rtl8139_open; @@ -2465,6 +2467,7 @@ static struct ethtool_ops rtl8139_ethtool_ops = { .get_strings = rtl8139_get_strings, .get_stats_count = rtl8139_get_stats_count, .get_ethtool_stats = rtl8139_get_ethtool_stats, + .get_perm_addr = ethtool_op_get_perm_addr, }; static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index c748b0e16419..6d4f9ceb0a32 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -475,6 +475,14 @@ config SGI_IOC3_ETH_HW_TX_CSUM the moment only acceleration of IPv4 is supported. This option enables offloading for checksums on transmit. If unsure, say Y. +config MIPS_SIM_NET + tristate "MIPS simulator Network device (EXPERIMENTAL)" + depends on NETDEVICES && MIPS_SIM && EXPERIMENTAL + help + The MIPSNET device is a simple Ethernet network device which is + emulated by the MIPS Simulator. + If you are not using a MIPSsim or are unsure, say N. + config SGI_O2MACE_ETH tristate "SGI O2 MACE Fast Ethernet support" depends on NET_ETHERNET && SGI_IP32=y @@ -1155,38 +1163,74 @@ config IBMVETH be called ibmveth. config IBM_EMAC - bool "IBM PPC4xx EMAC driver support" + tristate "PowerPC 4xx on-chip Ethernet support" depends on 4xx - select CRC32 - ---help--- - This driver supports the IBM PPC4xx EMAC family of on-chip - Ethernet controllers. - -config IBM_EMAC_ERRMSG - bool "Verbose error messages" - depends on IBM_EMAC && BROKEN + help + This driver supports the PowerPC 4xx EMAC family of on-chip + Ethernet controllers. config IBM_EMAC_RXB int "Number of receive buffers" depends on IBM_EMAC - default "128" if IBM_EMAC4 - default "64" + default "128" config IBM_EMAC_TXB int "Number of transmit buffers" depends on IBM_EMAC - default "128" if IBM_EMAC4 - default "8" + default "64" + +config IBM_EMAC_POLL_WEIGHT + int "MAL NAPI polling weight" + depends on IBM_EMAC + default "32" -config IBM_EMAC_FGAP - int "Frame gap" +config IBM_EMAC_RX_COPY_THRESHOLD + int "RX skb copy threshold (bytes)" depends on IBM_EMAC - default "8" + default "256" -config IBM_EMAC_SKBRES - int "Skb reserve amount" +config IBM_EMAC_RX_SKB_HEADROOM + int "Additional RX skb headroom (bytes)" depends on IBM_EMAC default "0" + help + Additional receive skb headroom. Note, that driver + will always reserve at least 2 bytes to make IP header + aligned, so usualy there is no need to add any additional + headroom. + + If unsure, set to 0. + +config IBM_EMAC_PHY_RX_CLK_FIX + bool "PHY Rx clock workaround" + depends on IBM_EMAC && (405EP || 440GX || 440EP) + help + Enable this if EMAC attached to a PHY which doesn't generate + RX clock if there is no link, if this is the case, you will + see "TX disable timeout" or "RX disable timeout" in the system + log. + + If unsure, say N. + +config IBM_EMAC_DEBUG + bool "Debugging" + depends on IBM_EMAC + default n + +config IBM_EMAC_ZMII + bool + depends on IBM_EMAC && (NP405H || NP405L || 44x) + default y + +config IBM_EMAC_RGMII + bool + depends on IBM_EMAC && 440GX + default y + +config IBM_EMAC_TAH + bool + depends on IBM_EMAC && 440GX + default y config NET_PCI bool "EISA, VLB, PCI and on board controllers" @@ -1330,7 +1374,7 @@ config FORCEDETH config CS89x0 tristate "CS89x0 support" - depends on (NET_PCI && (ISA || ARCH_IXDP2X01)) || ARCH_PNX0105 + depends on (NET_PCI && (ISA || ARCH_IXDP2X01)) || ARCH_PNX0105 || MACH_MP1000 ---help--- Support for CS89x0 chipset based Ethernet cards. If you have a network (Ethernet) card of this type, say Y and read the @@ -1767,6 +1811,7 @@ config NE_H8300 controller on the Renesas H8/300 processor. source "drivers/net/fec_8xx/Kconfig" +source "drivers/net/fs_enet/Kconfig" endmenu @@ -2083,6 +2128,7 @@ config SPIDER_NET config GIANFAR tristate "Gianfar Ethernet" depends on 85xx || 83xx + select PHYLIB help This driver supports the Gigabit TSEC on the MPC85xx family of chips, and the FEC on the 8540 @@ -2192,8 +2238,8 @@ config S2IO depends on PCI ---help--- This driver supports the 10Gbe XFrame NIC of S2IO. - For help regarding driver compilation, installation and - tuning please look into ~/drivers/net/s2io/README.txt. + More specific information on configuring the driver is in + <file:Documentation/networking/s2io.txt>. config S2IO_NAPI bool "Use Rx Polling (NAPI) (EXPERIMENTAL)" @@ -2243,6 +2289,20 @@ config ISERIES_VETH tristate "iSeries Virtual Ethernet driver support" depends on PPC_ISERIES +config RIONET + tristate "RapidIO Ethernet over messaging driver support" + depends on NETDEVICES && RAPIDIO + +config RIONET_TX_SIZE + int "Number of outbound queue entries" + depends on RIONET + default "128" + +config RIONET_RX_SIZE + int "Number of inbound queue entries" + depends on RIONET + default "128" + config FDDI bool "FDDI driver support" depends on (PCI || EISA) diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 8aeec9f2495b..7c313cb341b8 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -13,7 +13,7 @@ obj-$(CONFIG_CHELSIO_T1) += chelsio/ obj-$(CONFIG_BONDING) += bonding/ obj-$(CONFIG_GIANFAR) += gianfar_driver.o -gianfar_driver-objs := gianfar.o gianfar_ethtool.o gianfar_phy.o +gianfar_driver-objs := gianfar.o gianfar_ethtool.o gianfar_mii.o # # link order important here @@ -64,6 +64,7 @@ obj-$(CONFIG_SKFP) += skfp/ obj-$(CONFIG_VIA_RHINE) += via-rhine.o obj-$(CONFIG_VIA_VELOCITY) += via-velocity.o obj-$(CONFIG_ADAPTEC_STARFIRE) += starfire.o +obj-$(CONFIG_RIONET) += rionet.o # # end link order section @@ -166,6 +167,7 @@ obj-$(CONFIG_EQUALIZER) += eql.o obj-$(CONFIG_MIPS_JAZZ_SONIC) += jazzsonic.o obj-$(CONFIG_MIPS_GT96100ETH) += gt96100eth.o obj-$(CONFIG_MIPS_AU1X00_ENET) += au1000_eth.o +obj-$(CONFIG_MIPS_SIM_NET) += mipsnet.o obj-$(CONFIG_SGI_IOC3_ETH) += ioc3-eth.o obj-$(CONFIG_DECLANCE) += declance.o obj-$(CONFIG_ATARILANCE) += atarilance.o @@ -201,3 +203,6 @@ obj-$(CONFIG_IRDA) += irda/ obj-$(CONFIG_ETRAX_ETHERNET) += cris/ obj-$(CONFIG_NETCONSOLE) += netconsole.o + +obj-$(CONFIG_FS_ENET) += fs_enet/ + diff --git a/drivers/net/acenic.c b/drivers/net/acenic.c index dbecc6bf7851..b8953de5664a 100644 --- a/drivers/net/acenic.c +++ b/drivers/net/acenic.c @@ -871,10 +871,8 @@ static void ace_init_cleanup(struct net_device *dev) if (ap->info) pci_free_consistent(ap->pdev, sizeof(struct ace_info), ap->info, ap->info_dma); - if (ap->skb) - kfree(ap->skb); - if (ap->trace_buf) - kfree(ap->trace_buf); + kfree(ap->skb); + kfree(ap->trace_buf); if (dev->irq) free_irq(dev->irq, dev); diff --git a/drivers/net/amd8111e.c b/drivers/net/amd8111e.c index d9ba8be72af8..d9ba8be72af8 100755..100644 --- a/drivers/net/amd8111e.c +++ b/drivers/net/amd8111e.c diff --git a/drivers/net/amd8111e.h b/drivers/net/amd8111e.h index cfe3a4298822..cfe3a4298822 100755..100644 --- a/drivers/net/amd8111e.h +++ b/drivers/net/amd8111e.h diff --git a/drivers/net/arm/am79c961a.c b/drivers/net/arm/am79c961a.c index c56d86d371a9..3d50e953faaa 100644 --- a/drivers/net/arm/am79c961a.c +++ b/drivers/net/arm/am79c961a.c @@ -29,6 +29,7 @@ #include <asm/system.h> #include <asm/irq.h> +#include <asm/hardware.h> #include <asm/io.h> #define TX_BUFFERS 15 diff --git a/drivers/net/au1000_eth.c b/drivers/net/au1000_eth.c index c82b9cd1c924..332e9953c55c 100644 --- a/drivers/net/au1000_eth.c +++ b/drivers/net/au1000_eth.c @@ -151,13 +151,6 @@ struct au1000_private *au_macs[NUM_ETH_INTERFACES]; SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | \ SUPPORTED_Autoneg -static char *phy_link[] = -{ "unknown", - "10Base2", "10BaseT", - "AUI", - "100BaseT", "100BaseTX", "100BaseFX" -}; - int bcm_5201_init(struct net_device *dev, int phy_addr) { s16 data; @@ -785,6 +778,7 @@ static struct mii_chip_info { {"Broadcom BCM5201 10/100 BaseT PHY",0x0040,0x6212, &bcm_5201_ops,0}, {"Broadcom BCM5221 10/100 BaseT PHY",0x0040,0x61e4, &bcm_5201_ops,0}, {"Broadcom BCM5222 10/100 BaseT PHY",0x0040,0x6322, &bcm_5201_ops,1}, + {"NS DP83847 PHY", 0x2000, 0x5c30, &bcm_5201_ops ,0}, {"AMD 79C901 HomePNA PHY",0x0000,0x35c8, &am79c901_ops,0}, {"AMD 79C874 10/100 BaseT PHY",0x0022,0x561b, &am79c874_ops,0}, {"LSI 80227 10/100 BaseT PHY",0x0016,0xf840, &lsi_80227_ops,0}, @@ -1045,7 +1039,7 @@ found: #endif if (aup->mii->chip_info == NULL) { - printk(KERN_ERR "%s: Au1x No MII transceivers found!\n", + printk(KERN_ERR "%s: Au1x No known MII transceivers found!\n", dev->name); return -1; } @@ -1546,6 +1540,9 @@ au1000_probe(u32 ioaddr, int irq, int port_num) printk(KERN_ERR "%s: out of memory\n", dev->name); goto err_out; } + aup->mii->next = NULL; + aup->mii->chip_info = NULL; + aup->mii->status = 0; aup->mii->mii_control_reg = 0; aup->mii->mii_data_reg = 0; @@ -1609,8 +1606,7 @@ err_out: /* here we should have a valid dev plus aup-> register addresses * so we can reset the mac properly.*/ reset_mac(dev); - if (aup->mii) - kfree(aup->mii); + kfree(aup->mii); for (i = 0; i < NUM_RX_DMA; i++) { if (aup->rx_db_inuse[i]) ReleaseDB(aup, aup->rx_db_inuse[i]); @@ -1809,8 +1805,7 @@ static void __exit au1000_cleanup_module(void) if (dev) { aup = (struct au1000_private *) dev->priv; unregister_netdev(dev); - if (aup->mii) - kfree(aup->mii); + kfree(aup->mii); for (j = 0; j < NUM_RX_DMA; j++) { if (aup->rx_db_inuse[j]) ReleaseDB(aup, aup->rx_db_inuse[j]); diff --git a/drivers/net/b44.c b/drivers/net/b44.c index 94939f570f78..0ee3e27969c6 100644 --- a/drivers/net/b44.c +++ b/drivers/net/b44.c @@ -19,6 +19,7 @@ #include <linux/delay.h> #include <linux/init.h> #include <linux/version.h> +#include <linux/dma-mapping.h> #include <asm/uaccess.h> #include <asm/io.h> @@ -106,6 +107,29 @@ static int b44_poll(struct net_device *dev, int *budget); static void b44_poll_controller(struct net_device *dev); #endif +static int dma_desc_align_mask; +static int dma_desc_sync_size; + +static inline void b44_sync_dma_desc_for_device(struct pci_dev *pdev, + dma_addr_t dma_base, + unsigned long offset, + enum dma_data_direction dir) +{ + dma_sync_single_range_for_device(&pdev->dev, dma_base, + offset & dma_desc_align_mask, + dma_desc_sync_size, dir); +} + +static inline void b44_sync_dma_desc_for_cpu(struct pci_dev *pdev, + dma_addr_t dma_base, + unsigned long offset, + enum dma_data_direction dir) +{ + dma_sync_single_range_for_cpu(&pdev->dev, dma_base, + offset & dma_desc_align_mask, + dma_desc_sync_size, dir); +} + static inline unsigned long br32(const struct b44 *bp, unsigned long reg) { return readl(bp->regs + reg); @@ -668,6 +692,11 @@ static int b44_alloc_rx_skb(struct b44 *bp, int src_idx, u32 dest_idx_unmasked) dp->ctrl = cpu_to_le32(ctrl); dp->addr = cpu_to_le32((u32) mapping + bp->rx_offset + bp->dma_offset); + if (bp->flags & B44_FLAG_RX_RING_HACK) + b44_sync_dma_desc_for_device(bp->pdev, bp->rx_ring_dma, + dest_idx * sizeof(dp), + DMA_BIDIRECTIONAL); + return RX_PKT_BUF_SZ; } @@ -692,6 +721,11 @@ static void b44_recycle_rx(struct b44 *bp, int src_idx, u32 dest_idx_unmasked) pci_unmap_addr_set(dest_map, mapping, pci_unmap_addr(src_map, mapping)); + if (bp->flags & B44_FLAG_RX_RING_HACK) + b44_sync_dma_desc_for_cpu(bp->pdev, bp->rx_ring_dma, + src_idx * sizeof(src_desc), + DMA_BIDIRECTIONAL); + ctrl = src_desc->ctrl; if (dest_idx == (B44_RX_RING_SIZE - 1)) ctrl |= cpu_to_le32(DESC_CTRL_EOT); @@ -700,8 +734,14 @@ static void b44_recycle_rx(struct b44 *bp, int src_idx, u32 dest_idx_unmasked) dest_desc->ctrl = ctrl; dest_desc->addr = src_desc->addr; + src_map->skb = NULL; + if (bp->flags & B44_FLAG_RX_RING_HACK) + b44_sync_dma_desc_for_device(bp->pdev, bp->rx_ring_dma, + dest_idx * sizeof(dest_desc), + DMA_BIDIRECTIONAL); + pci_dma_sync_single_for_device(bp->pdev, src_desc->addr, RX_PKT_BUF_SZ, PCI_DMA_FROMDEVICE); @@ -959,6 +999,11 @@ static int b44_start_xmit(struct sk_buff *skb, struct net_device *dev) bp->tx_ring[entry].ctrl = cpu_to_le32(ctrl); bp->tx_ring[entry].addr = cpu_to_le32((u32) mapping+bp->dma_offset); + if (bp->flags & B44_FLAG_TX_RING_HACK) + b44_sync_dma_desc_for_device(bp->pdev, bp->tx_ring_dma, + entry * sizeof(bp->tx_ring[0]), + DMA_TO_DEVICE); + entry = NEXT_TX(entry); bp->tx_prod = entry; @@ -1064,6 +1109,16 @@ static void b44_init_rings(struct b44 *bp) memset(bp->rx_ring, 0, B44_RX_RING_BYTES); memset(bp->tx_ring, 0, B44_TX_RING_BYTES); + if (bp->flags & B44_FLAG_RX_RING_HACK) + dma_sync_single_for_device(&bp->pdev->dev, bp->rx_ring_dma, + DMA_TABLE_BYTES, + PCI_DMA_BIDIRECTIONAL); + + if (bp->flags & B44_FLAG_TX_RING_HACK) + dma_sync_single_for_device(&bp->pdev->dev, bp->tx_ring_dma, + DMA_TABLE_BYTES, + PCI_DMA_TODEVICE); + for (i = 0; i < bp->rx_pending; i++) { if (b44_alloc_rx_skb(bp, -1, i) < 0) break; @@ -1076,23 +1131,33 @@ static void b44_init_rings(struct b44 *bp) */ static void b44_free_consistent(struct b44 *bp) { - if (bp->rx_buffers) { - kfree(bp->rx_buffers); - bp->rx_buffers = NULL; - } - if (bp->tx_buffers) { - kfree(bp->tx_buffers); - bp->tx_buffers = NULL; - } + kfree(bp->rx_buffers); + bp->rx_buffers = NULL; + kfree(bp->tx_buffers); + bp->tx_buffers = NULL; if (bp->rx_ring) { - pci_free_consistent(bp->pdev, DMA_TABLE_BYTES, - bp->rx_ring, bp->rx_ring_dma); + if (bp->flags & B44_FLAG_RX_RING_HACK) { + dma_unmap_single(&bp->pdev->dev, bp->rx_ring_dma, + DMA_TABLE_BYTES, + DMA_BIDIRECTIONAL); + kfree(bp->rx_ring); + } else + pci_free_consistent(bp->pdev, DMA_TABLE_BYTES, + bp->rx_ring, bp->rx_ring_dma); bp->rx_ring = NULL; + bp->flags &= ~B44_FLAG_RX_RING_HACK; } if (bp->tx_ring) { - pci_free_consistent(bp->pdev, DMA_TABLE_BYTES, - bp->tx_ring, bp->tx_ring_dma); + if (bp->flags & B44_FLAG_TX_RING_HACK) { + dma_unmap_single(&bp->pdev->dev, bp->tx_ring_dma, + DMA_TABLE_BYTES, + DMA_TO_DEVICE); + kfree(bp->tx_ring); + } else + pci_free_consistent(bp->pdev, DMA_TABLE_BYTES, + bp->tx_ring, bp->tx_ring_dma); bp->tx_ring = NULL; + bp->flags &= ~B44_FLAG_TX_RING_HACK; } } @@ -1118,12 +1183,56 @@ static int b44_alloc_consistent(struct b44 *bp) size = DMA_TABLE_BYTES; bp->rx_ring = pci_alloc_consistent(bp->pdev, size, &bp->rx_ring_dma); - if (!bp->rx_ring) - goto out_err; + if (!bp->rx_ring) { + /* Allocation may have failed due to pci_alloc_consistent + insisting on use of GFP_DMA, which is more restrictive + than necessary... */ + struct dma_desc *rx_ring; + dma_addr_t rx_ring_dma; + + if (!(rx_ring = (struct dma_desc *)kmalloc(size, GFP_KERNEL))) + goto out_err; + + memset(rx_ring, 0, size); + rx_ring_dma = dma_map_single(&bp->pdev->dev, rx_ring, + DMA_TABLE_BYTES, + DMA_BIDIRECTIONAL); + + if (rx_ring_dma + size > B44_DMA_MASK) { + kfree(rx_ring); + goto out_err; + } + + bp->rx_ring = rx_ring; + bp->rx_ring_dma = rx_ring_dma; + bp->flags |= B44_FLAG_RX_RING_HACK; + } bp->tx_ring = pci_alloc_consistent(bp->pdev, size, &bp->tx_ring_dma); - if (!bp->tx_ring) - goto out_err; + if (!bp->tx_ring) { + /* Allocation may have failed due to pci_alloc_consistent + insisting on use of GFP_DMA, which is more restrictive + than necessary... */ + struct dma_desc *tx_ring; + dma_addr_t tx_ring_dma; + + if (!(tx_ring = (struct dma_desc *)kmalloc(size, GFP_KERNEL))) + goto out_err; + + memset(tx_ring, 0, size); + tx_ring_dma = dma_map_single(&bp->pdev->dev, tx_ring, + DMA_TABLE_BYTES, + DMA_TO_DEVICE); + + if (tx_ring_dma + size > B44_DMA_MASK) { + kfree(tx_ring); + goto out_err; + } + + bp->tx_ring = tx_ring; + bp->tx_ring_dma = tx_ring_dma; + bp->flags |= B44_FLAG_TX_RING_HACK; + } return 0; @@ -1507,14 +1616,14 @@ static int b44_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) cmd->advertising = 0; if (bp->flags & B44_FLAG_ADV_10HALF) - cmd->advertising |= ADVERTISE_10HALF; + cmd->advertising |= ADVERTISED_10baseT_Half; if (bp->flags & B44_FLAG_ADV_10FULL) - cmd->advertising |= ADVERTISE_10FULL; + cmd->advertising |= ADVERTISED_10baseT_Full; if (bp->flags & B44_FLAG_ADV_100HALF) - cmd->advertising |= ADVERTISE_100HALF; + cmd->advertising |= ADVERTISED_100baseT_Half; if (bp->flags & B44_FLAG_ADV_100FULL) - cmd->advertising |= ADVERTISE_100FULL; - cmd->advertising |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; + cmd->advertising |= ADVERTISED_100baseT_Full; + cmd->advertising |= ADVERTISED_Pause | ADVERTISED_Asym_Pause; cmd->speed = (bp->flags & B44_FLAG_100_BASE_T) ? SPEED_100 : SPEED_10; cmd->duplex = (bp->flags & B44_FLAG_FULL_DUPLEX) ? @@ -1676,6 +1785,7 @@ static struct ethtool_ops b44_ethtool_ops = { .set_pauseparam = b44_set_pauseparam, .get_msglevel = b44_get_msglevel, .set_msglevel = b44_set_msglevel, + .get_perm_addr = ethtool_op_get_perm_addr, }; static int b44_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) @@ -1718,6 +1828,7 @@ static int __devinit b44_get_invariants(struct b44 *bp) bp->dev->dev_addr[3] = eeprom[80]; bp->dev->dev_addr[4] = eeprom[83]; bp->dev->dev_addr[5] = eeprom[82]; + memcpy(bp->dev->perm_addr, bp->dev->dev_addr, bp->dev->addr_len); bp->phy_addr = eeprom[90] & 0x1f; @@ -1930,6 +2041,8 @@ static int b44_suspend(struct pci_dev *pdev, pm_message_t state) b44_free_rings(bp); spin_unlock_irq(&bp->lock); + + free_irq(dev->irq, dev); pci_disable_device(pdev); return 0; } @@ -1946,6 +2059,9 @@ static int b44_resume(struct pci_dev *pdev) if (!netif_running(dev)) return 0; + if (request_irq(dev->irq, b44_interrupt, SA_SHIRQ, dev->name, dev)) + printk(KERN_ERR PFX "%s: request_irq failed\n", dev->name); + spin_lock_irq(&bp->lock); b44_init_rings(bp); @@ -1971,6 +2087,12 @@ static struct pci_driver b44_driver = { static int __init b44_init(void) { + unsigned int dma_desc_align_size = dma_get_cache_alignment(); + + /* Setup paramaters for syncing RX/TX DMA descriptors */ + dma_desc_align_mask = ~(dma_desc_align_size - 1); + dma_desc_sync_size = max(dma_desc_align_size, sizeof(struct dma_desc)); + return pci_module_init(&b44_driver); } diff --git a/drivers/net/b44.h b/drivers/net/b44.h index 11c40a2e71c7..593cb0ad4100 100644 --- a/drivers/net/b44.h +++ b/drivers/net/b44.h @@ -400,6 +400,8 @@ struct b44 { #define B44_FLAG_ADV_100HALF 0x04000000 #define B44_FLAG_ADV_100FULL 0x08000000 #define B44_FLAG_INTERNAL_PHY 0x10000000 +#define B44_FLAG_RX_RING_HACK 0x20000000 +#define B44_FLAG_TX_RING_HACK 0x40000000 u32 rx_offset; diff --git a/drivers/net/bmac.c b/drivers/net/bmac.c index 0ee28899fb8d..bbca8ae8018c 100644 --- a/drivers/net/bmac.c +++ b/drivers/net/bmac.c @@ -1690,10 +1690,8 @@ static void __exit bmac_exit(void) { macio_unregister_driver(&bmac_driver); - if (bmac_emergency_rxbuf != NULL) { - kfree(bmac_emergency_rxbuf); - bmac_emergency_rxbuf = NULL; - } + kfree(bmac_emergency_rxbuf); + bmac_emergency_rxbuf = NULL; } MODULE_AUTHOR("Randy Gobbel/Paul Mackerras"); diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 3a2ace01e444..11d252318221 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -314,20 +314,16 @@ bnx2_free_mem(struct bnx2 *bp) bp->tx_desc_ring, bp->tx_desc_mapping); bp->tx_desc_ring = NULL; } - if (bp->tx_buf_ring) { - kfree(bp->tx_buf_ring); - bp->tx_buf_ring = NULL; - } + kfree(bp->tx_buf_ring); + bp->tx_buf_ring = NULL; if (bp->rx_desc_ring) { pci_free_consistent(bp->pdev, sizeof(struct rx_bd) * RX_DESC_CNT, bp->rx_desc_ring, bp->rx_desc_mapping); bp->rx_desc_ring = NULL; } - if (bp->rx_buf_ring) { - kfree(bp->rx_buf_ring); - bp->rx_buf_ring = NULL; - } + kfree(bp->rx_buf_ring); + bp->rx_buf_ring = NULL; } static int diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index f264ff162979..8032126fd589 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -4241,6 +4241,43 @@ out: return 0; } +static void bond_activebackup_xmit_copy(struct sk_buff *skb, + struct bonding *bond, + struct slave *slave) +{ + struct sk_buff *skb2 = skb_copy(skb, GFP_ATOMIC); + struct ethhdr *eth_data; + u8 *hwaddr; + int res; + + if (!skb2) { + printk(KERN_ERR DRV_NAME ": Error: " + "bond_activebackup_xmit_copy(): skb_copy() failed\n"); + return; + } + + skb2->mac.raw = (unsigned char *)skb2->data; + eth_data = eth_hdr(skb2); + + /* Pick an appropriate source MAC address + * -- use slave's perm MAC addr, unless used by bond + * -- otherwise, borrow active slave's perm MAC addr + * since that will not be used + */ + hwaddr = slave->perm_hwaddr; + if (!memcmp(eth_data->h_source, hwaddr, ETH_ALEN)) + hwaddr = bond->curr_active_slave->perm_hwaddr; + + /* Set source MAC address appropriately */ + memcpy(eth_data->h_source, hwaddr, ETH_ALEN); + + res = bond_dev_queue_xmit(bond, skb2, slave->dev); + if (res) + dev_kfree_skb(skb2); + + return; +} + /* * in active-backup mode, we know that bond->curr_active_slave is always valid if * the bond has a usable interface. @@ -4257,10 +4294,26 @@ static int bond_xmit_activebackup(struct sk_buff *skb, struct net_device *bond_d goto out; } - if (bond->curr_active_slave) { /* one usable interface */ - res = bond_dev_queue_xmit(bond, skb, bond->curr_active_slave->dev); + if (!bond->curr_active_slave) + goto out; + + /* Xmit IGMP frames on all slaves to ensure rapid fail-over + for multicast traffic on snooping switches */ + if (skb->protocol == __constant_htons(ETH_P_IP) && + skb->nh.iph->protocol == IPPROTO_IGMP) { + struct slave *slave, *active_slave; + int i; + + active_slave = bond->curr_active_slave; + bond_for_each_slave_from_to(bond, slave, i, active_slave->next, + active_slave->prev) + if (IS_UP(slave->dev) && + (slave->link == BOND_LINK_UP)) + bond_activebackup_xmit_copy(skb, bond, slave); } + res = bond_dev_queue_xmit(bond, skb, bond->curr_active_slave->dev); + out: if (res) { /* no suitable interface, frame not sent */ diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c index 2e617424d3fb..50f43dbf31ae 100644 --- a/drivers/net/cassini.c +++ b/drivers/net/cassini.c @@ -489,7 +489,7 @@ static int cas_page_free(struct cas *cp, cas_page_t *page) /* local page allocation routines for the receive buffers. jumbo pages * require at least 8K contiguous and 8K aligned buffers. */ -static cas_page_t *cas_page_alloc(struct cas *cp, const int flags) +static cas_page_t *cas_page_alloc(struct cas *cp, const gfp_t flags) { cas_page_t *page; @@ -561,7 +561,7 @@ static void cas_spare_free(struct cas *cp) } /* replenish spares if needed */ -static void cas_spare_recover(struct cas *cp, const int flags) +static void cas_spare_recover(struct cas *cp, const gfp_t flags) { struct list_head list, *elem, *tmp; int needed, i; diff --git a/drivers/net/cs89x0.c b/drivers/net/cs89x0.c index a6078ad9b654..bfdae10036ed 100644 --- a/drivers/net/cs89x0.c +++ b/drivers/net/cs89x0.c @@ -182,6 +182,10 @@ static unsigned int cs8900_irq_map[] = {IRQ_IXDP2X01_CS8900, 0, 0, 0}; #define CIRRUS_DEFAULT_IRQ VH_INTC_INT_NUM_CASCADED_INTERRUPT_1 /* Event inputs bank 1 - ID 35/bit 3 */ static unsigned int netcard_portlist[] __initdata = {CIRRUS_DEFAULT_BASE, 0}; static unsigned int cs8900_irq_map[] = {CIRRUS_DEFAULT_IRQ, 0, 0, 0}; +#elif defined(CONFIG_MACH_MP1000) +#include <asm/arch/mp1000-seprom.h> +static unsigned int netcard_portlist[] __initdata = {MP1000_EIO_BASE+0x300, 0}; +static unsigned int cs8900_irq_map[] = {IRQ_EINT3,0,0,0}; #else static unsigned int netcard_portlist[] __initdata = { 0x300, 0x320, 0x340, 0x360, 0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0, 0}; @@ -590,6 +594,10 @@ cs89x0_probe1(struct net_device *dev, int ioaddr, int modular) cnt -= j; } } else +#elif defined(CONFIG_MACH_MP1000) + if (1) { + memcpy(dev->dev_addr, get_eeprom_mac_address(), ETH_ALEN); + } else #endif if ((readreg(dev, PP_SelfST) & (EEPROM_OK | EEPROM_PRESENT)) == @@ -649,6 +657,10 @@ cs89x0_probe1(struct net_device *dev, int ioaddr, int modular) if (1) { printk(KERN_NOTICE "cs89x0: No EEPROM on HiCO.SH4\n"); } else +#elif defined(CONFIG_MACH_MP1000) + if (1) { + lp->force |= FORCE_RJ45; + } else #endif if ((readreg(dev, PP_SelfST) & EEPROM_PRESENT) == 0) printk(KERN_WARNING "cs89x0: No EEPROM, relying on command line....\n"); @@ -1231,7 +1243,7 @@ net_open(struct net_device *dev) else #endif { -#if !defined(CONFIG_ARCH_IXDP2X01) && !defined(CONFIG_ARCH_PNX0105) +#if !defined(CONFIG_ARCH_IXDP2X01) && !defined(CONFIG_ARCH_PNX0105) && !defined(CONFIG_MACH_MP1000) if (((1 << dev->irq) & lp->irq_map) == 0) { printk(KERN_ERR "%s: IRQ %d is not in our map of allowable IRQs, which is %x\n", dev->name, dev->irq, lp->irq_map); diff --git a/drivers/net/cs89x0.h b/drivers/net/cs89x0.h index decea264f121..f19d1ebe0183 100644 --- a/drivers/net/cs89x0.h +++ b/drivers/net/cs89x0.h @@ -16,7 +16,7 @@ #include <linux/config.h> -#if defined(CONFIG_ARCH_IXDP2X01) || defined(CONFIG_ARCH_PNX0105) +#if defined(CONFIG_ARCH_IXDP2X01) || defined(CONFIG_ARCH_PNX0105) || defined (CONFIG_MACH_MP1000) /* IXDP2401/IXDP2801 uses dword-aligned register addressing */ #define CS89x0_PORT(reg) ((reg) * 2) #else diff --git a/drivers/net/declance.c b/drivers/net/declance.c index 521c83137bf6..f130bdab3fd3 100644 --- a/drivers/net/declance.c +++ b/drivers/net/declance.c @@ -5,7 +5,7 @@ * * adopted from sunlance.c by Richard van den Berg * - * Copyright (C) 2002, 2003 Maciej W. Rozycki + * Copyright (C) 2002, 2003, 2005 Maciej W. Rozycki * * additional sources: * - PMAD-AA TURBOchannel Ethernet Module Functional Specification, @@ -57,13 +57,15 @@ #include <linux/string.h> #include <asm/addrspace.h> +#include <asm/system.h> + #include <asm/dec/interrupts.h> #include <asm/dec/ioasic.h> #include <asm/dec/ioasic_addrs.h> #include <asm/dec/kn01.h> #include <asm/dec/machtype.h> +#include <asm/dec/system.h> #include <asm/dec/tc.h> -#include <asm/system.h> static char version[] __devinitdata = "declance.c: v0.009 by Linux MIPS DECstation task force\n"; @@ -79,10 +81,6 @@ MODULE_LICENSE("GPL"); #define PMAD_LANCE 2 #define PMAX_LANCE 3 -#ifndef CONFIG_TC -unsigned long system_base; -unsigned long dmaptr; -#endif #define LE_CSR0 0 #define LE_CSR1 1 @@ -237,7 +235,7 @@ struct lance_init_block { /* * This works *only* for the ring descriptors */ -#define LANCE_ADDR(x) (PHYSADDR(x) >> 1) +#define LANCE_ADDR(x) (CPHYSADDR(x) >> 1) struct lance_private { struct net_device *next; @@ -697,12 +695,13 @@ out: spin_unlock(&lp->lock); } -static void lance_dma_merr_int(const int irq, void *dev_id, - struct pt_regs *regs) +static irqreturn_t lance_dma_merr_int(const int irq, void *dev_id, + struct pt_regs *regs) { struct net_device *dev = (struct net_device *) dev_id; printk("%s: DMA error\n", dev->name); + return IRQ_HANDLED; } static irqreturn_t @@ -1026,10 +1025,6 @@ static int __init dec_lance_init(const int type, const int slot) unsigned long esar_base; unsigned char *esar; -#ifndef CONFIG_TC - system_base = KN01_LANCE_BASE; -#endif - if (dec_lance_debug && version_printed++ == 0) printk(version); @@ -1062,16 +1057,16 @@ static int __init dec_lance_init(const int type, const int slot) switch (type) { #ifdef CONFIG_TC case ASIC_LANCE: - dev->base_addr = system_base + IOASIC_LANCE; + dev->base_addr = CKSEG1ADDR(dec_kn_slot_base + IOASIC_LANCE); /* buffer space for the on-board LANCE shared memory */ /* * FIXME: ugly hack! */ - dev->mem_start = KSEG1ADDR(0x00020000); + dev->mem_start = CKSEG1ADDR(0x00020000); dev->mem_end = dev->mem_start + 0x00020000; dev->irq = dec_interrupt[DEC_IRQ_LANCE]; - esar_base = system_base + IOASIC_ESAR; + esar_base = CKSEG1ADDR(dec_kn_slot_base + IOASIC_ESAR); /* Workaround crash with booting KN04 2.1k from Disk */ memset((void *)dev->mem_start, 0, @@ -1101,14 +1096,14 @@ static int __init dec_lance_init(const int type, const int slot) /* Setup I/O ASIC LANCE DMA. */ lp->dma_irq = dec_interrupt[DEC_IRQ_LANCE_MERR]; ioasic_write(IO_REG_LANCE_DMA_P, - PHYSADDR(dev->mem_start) << 3); + CPHYSADDR(dev->mem_start) << 3); break; case PMAD_LANCE: claim_tc_card(slot); - dev->mem_start = get_tc_base_addr(slot); + dev->mem_start = CKSEG1ADDR(get_tc_base_addr(slot)); dev->base_addr = dev->mem_start + 0x100000; dev->irq = get_tc_irq_nr(slot); esar_base = dev->mem_start + 0x1c0002; @@ -1137,9 +1132,9 @@ static int __init dec_lance_init(const int type, const int slot) case PMAX_LANCE: dev->irq = dec_interrupt[DEC_IRQ_LANCE]; - dev->base_addr = KN01_LANCE_BASE; - dev->mem_start = KN01_LANCE_BASE + 0x01000000; - esar_base = KN01_RTC_BASE + 1; + dev->base_addr = CKSEG1ADDR(KN01_SLOT_BASE + KN01_LANCE); + dev->mem_start = CKSEG1ADDR(KN01_SLOT_BASE + KN01_LANCE_MEM); + esar_base = CKSEG1ADDR(KN01_SLOT_BASE + KN01_ESAR + 1); lp->dma_irq = -1; /* diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c index e54fc10f6846..abce1f730d00 100644 --- a/drivers/net/dm9000.c +++ b/drivers/net/dm9000.c @@ -1140,11 +1140,11 @@ dm9000_phy_write(struct net_device *dev, int phyaddr_unused, int reg, int value) } static int -dm9000_drv_suspend(struct device *dev, pm_message_t state, u32 level) +dm9000_drv_suspend(struct device *dev, pm_message_t state) { struct net_device *ndev = dev_get_drvdata(dev); - if (ndev && level == SUSPEND_DISABLE) { + if (ndev) { if (netif_running(ndev)) { netif_device_detach(ndev); dm9000_shutdown(ndev); @@ -1154,12 +1154,12 @@ dm9000_drv_suspend(struct device *dev, pm_message_t state, u32 level) } static int -dm9000_drv_resume(struct device *dev, u32 level) +dm9000_drv_resume(struct device *dev) { struct net_device *ndev = dev_get_drvdata(dev); board_info_t *db = (board_info_t *) ndev->priv; - if (ndev && level == RESUME_ENABLE) { + if (ndev) { if (netif_running(ndev)) { dm9000_reset(db); diff --git a/drivers/net/e100.c b/drivers/net/e100.c index 40887f09b681..eb169a8e8773 100644 --- a/drivers/net/e100.c +++ b/drivers/net/e100.c @@ -2201,6 +2201,7 @@ static struct ethtool_ops e100_ethtool_ops = { .phys_id = e100_phys_id, .get_stats_count = e100_get_stats_count, .get_ethtool_stats = e100_get_ethtool_stats, + .get_perm_addr = ethtool_op_get_perm_addr, }; static int e100_do_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) @@ -2351,7 +2352,8 @@ static int __devinit e100_probe(struct pci_dev *pdev, e100_phy_init(nic); memcpy(netdev->dev_addr, nic->eeprom, ETH_ALEN); - if(!is_valid_ether_addr(netdev->dev_addr)) { + memcpy(netdev->perm_addr, nic->eeprom, ETH_ALEN); + if(!is_valid_ether_addr(netdev->perm_addr)) { DPRINTK(PROBE, ERR, "Invalid MAC address from " "EEPROM, aborting.\n"); err = -EAGAIN; diff --git a/drivers/net/e1000/e1000.h b/drivers/net/e1000/e1000.h index 092757bc721f..3f653a93e1bc 100644 --- a/drivers/net/e1000/e1000.h +++ b/drivers/net/e1000/e1000.h @@ -72,6 +72,10 @@ #include <linux/mii.h> #include <linux/ethtool.h> #include <linux/if_vlan.h> +#ifdef CONFIG_E1000_MQ +#include <linux/cpu.h> +#include <linux/smp.h> +#endif #define BAR_0 0 #define BAR_1 1 @@ -165,10 +169,33 @@ struct e1000_buffer { uint16_t next_to_watch; }; -struct e1000_ps_page { struct page *ps_page[MAX_PS_BUFFERS]; }; -struct e1000_ps_page_dma { uint64_t ps_page_dma[MAX_PS_BUFFERS]; }; +struct e1000_ps_page { struct page *ps_page[PS_PAGE_BUFFERS]; }; +struct e1000_ps_page_dma { uint64_t ps_page_dma[PS_PAGE_BUFFERS]; }; + +struct e1000_tx_ring { + /* pointer to the descriptor ring memory */ + void *desc; + /* physical address of the descriptor ring */ + dma_addr_t dma; + /* length of descriptor ring in bytes */ + unsigned int size; + /* number of descriptors in the ring */ + unsigned int count; + /* next descriptor to associate a buffer with */ + unsigned int next_to_use; + /* next descriptor to check for DD status bit */ + unsigned int next_to_clean; + /* array of buffer information structs */ + struct e1000_buffer *buffer_info; + + struct e1000_buffer previous_buffer_info; + spinlock_t tx_lock; + uint16_t tdh; + uint16_t tdt; + uint64_t pkt; +}; -struct e1000_desc_ring { +struct e1000_rx_ring { /* pointer to the descriptor ring memory */ void *desc; /* physical address of the descriptor ring */ @@ -186,6 +213,10 @@ struct e1000_desc_ring { /* arrays of page information for packet split */ struct e1000_ps_page *ps_page; struct e1000_ps_page_dma *ps_page_dma; + + uint16_t rdh; + uint16_t rdt; + uint64_t pkt; }; #define E1000_DESC_UNUSED(R) \ @@ -227,9 +258,10 @@ struct e1000_adapter { unsigned long led_status; /* TX */ - struct e1000_desc_ring tx_ring; - struct e1000_buffer previous_buffer_info; - spinlock_t tx_lock; + struct e1000_tx_ring *tx_ring; /* One per active queue */ +#ifdef CONFIG_E1000_MQ + struct e1000_tx_ring **cpu_tx_ring; /* per-cpu */ +#endif uint32_t txd_cmd; uint32_t tx_int_delay; uint32_t tx_abs_int_delay; @@ -246,19 +278,33 @@ struct e1000_adapter { /* RX */ #ifdef CONFIG_E1000_NAPI - boolean_t (*clean_rx) (struct e1000_adapter *adapter, int *work_done, - int work_to_do); + boolean_t (*clean_rx) (struct e1000_adapter *adapter, + struct e1000_rx_ring *rx_ring, + int *work_done, int work_to_do); #else - boolean_t (*clean_rx) (struct e1000_adapter *adapter); + boolean_t (*clean_rx) (struct e1000_adapter *adapter, + struct e1000_rx_ring *rx_ring); #endif - void (*alloc_rx_buf) (struct e1000_adapter *adapter); - struct e1000_desc_ring rx_ring; + void (*alloc_rx_buf) (struct e1000_adapter *adapter, + struct e1000_rx_ring *rx_ring); + struct e1000_rx_ring *rx_ring; /* One per active queue */ +#ifdef CONFIG_E1000_NAPI + struct net_device *polling_netdev; /* One per active queue */ +#endif +#ifdef CONFIG_E1000_MQ + struct net_device **cpu_netdev; /* per-cpu */ + struct call_async_data_struct rx_sched_call_data; + int cpu_for_queue[4]; +#endif + int num_queues; + uint64_t hw_csum_err; uint64_t hw_csum_good; + uint64_t rx_hdr_split; uint32_t rx_int_delay; uint32_t rx_abs_int_delay; boolean_t rx_csum; - boolean_t rx_ps; + unsigned int rx_ps_pages; uint32_t gorcl; uint64_t gorcl_old; uint16_t rx_ps_bsize0; @@ -278,8 +324,8 @@ struct e1000_adapter { struct e1000_phy_stats phy_stats; uint32_t test_icr; - struct e1000_desc_ring test_tx_ring; - struct e1000_desc_ring test_rx_ring; + struct e1000_tx_ring test_tx_ring; + struct e1000_rx_ring test_rx_ring; int msg_enable; diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c index f133ff0b0b94..9c7feaeaa6a4 100644 --- a/drivers/net/e1000/e1000_ethtool.c +++ b/drivers/net/e1000/e1000_ethtool.c @@ -39,10 +39,10 @@ extern int e1000_up(struct e1000_adapter *adapter); extern void e1000_down(struct e1000_adapter *adapter); extern void e1000_reset(struct e1000_adapter *adapter); extern int e1000_set_spd_dplx(struct e1000_adapter *adapter, uint16_t spddplx); -extern int e1000_setup_rx_resources(struct e1000_adapter *adapter); -extern int e1000_setup_tx_resources(struct e1000_adapter *adapter); -extern void e1000_free_rx_resources(struct e1000_adapter *adapter); -extern void e1000_free_tx_resources(struct e1000_adapter *adapter); +extern int e1000_setup_all_rx_resources(struct e1000_adapter *adapter); +extern int e1000_setup_all_tx_resources(struct e1000_adapter *adapter); +extern void e1000_free_all_rx_resources(struct e1000_adapter *adapter); +extern void e1000_free_all_tx_resources(struct e1000_adapter *adapter); extern void e1000_update_stats(struct e1000_adapter *adapter); struct e1000_stats { @@ -91,7 +91,8 @@ static const struct e1000_stats e1000_gstrings_stats[] = { { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) }, { "rx_long_byte_count", E1000_STAT(stats.gorcl) }, { "rx_csum_offload_good", E1000_STAT(hw_csum_good) }, - { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) } + { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) }, + { "rx_header_split", E1000_STAT(rx_hdr_split) }, }; #define E1000_STATS_LEN \ sizeof(e1000_gstrings_stats) / sizeof(struct e1000_stats) @@ -546,8 +547,10 @@ e1000_set_eeprom(struct net_device *netdev, ret_val = e1000_write_eeprom(hw, first_word, last_word - first_word + 1, eeprom_buff); - /* Update the checksum over the first part of the EEPROM if needed */ - if((ret_val == 0) && first_word <= EEPROM_CHECKSUM_REG) + /* Update the checksum over the first part of the EEPROM if needed + * and flush shadow RAM for 82573 conrollers */ + if((ret_val == 0) && ((first_word <= EEPROM_CHECKSUM_REG) || + (hw->mac_type == e1000_82573))) e1000_update_eeprom_checksum(hw); kfree(eeprom_buff); @@ -576,8 +579,8 @@ e1000_get_ringparam(struct net_device *netdev, { struct e1000_adapter *adapter = netdev_priv(netdev); e1000_mac_type mac_type = adapter->hw.mac_type; - struct e1000_desc_ring *txdr = &adapter->tx_ring; - struct e1000_desc_ring *rxdr = &adapter->rx_ring; + struct e1000_tx_ring *txdr = adapter->tx_ring; + struct e1000_rx_ring *rxdr = adapter->rx_ring; ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD : E1000_MAX_82544_RXD; @@ -597,20 +600,40 @@ e1000_set_ringparam(struct net_device *netdev, { struct e1000_adapter *adapter = netdev_priv(netdev); e1000_mac_type mac_type = adapter->hw.mac_type; - struct e1000_desc_ring *txdr = &adapter->tx_ring; - struct e1000_desc_ring *rxdr = &adapter->rx_ring; - struct e1000_desc_ring tx_old, tx_new, rx_old, rx_new; - int err; + struct e1000_tx_ring *txdr, *tx_old, *tx_new; + struct e1000_rx_ring *rxdr, *rx_old, *rx_new; + int i, err, tx_ring_size, rx_ring_size; + + tx_ring_size = sizeof(struct e1000_tx_ring) * adapter->num_queues; + rx_ring_size = sizeof(struct e1000_rx_ring) * adapter->num_queues; + + if (netif_running(adapter->netdev)) + e1000_down(adapter); tx_old = adapter->tx_ring; rx_old = adapter->rx_ring; + adapter->tx_ring = kmalloc(tx_ring_size, GFP_KERNEL); + if (!adapter->tx_ring) { + err = -ENOMEM; + goto err_setup_rx; + } + memset(adapter->tx_ring, 0, tx_ring_size); + + adapter->rx_ring = kmalloc(rx_ring_size, GFP_KERNEL); + if (!adapter->rx_ring) { + kfree(adapter->tx_ring); + err = -ENOMEM; + goto err_setup_rx; + } + memset(adapter->rx_ring, 0, rx_ring_size); + + txdr = adapter->tx_ring; + rxdr = adapter->rx_ring; + if((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) return -EINVAL; - if(netif_running(adapter->netdev)) - e1000_down(adapter); - rxdr->count = max(ring->rx_pending,(uint32_t)E1000_MIN_RXD); rxdr->count = min(rxdr->count,(uint32_t)(mac_type < e1000_82544 ? E1000_MAX_RXD : E1000_MAX_82544_RXD)); @@ -621,11 +644,16 @@ e1000_set_ringparam(struct net_device *netdev, E1000_MAX_TXD : E1000_MAX_82544_TXD)); E1000_ROUNDUP(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE); + for (i = 0; i < adapter->num_queues; i++) { + txdr[i].count = txdr->count; + rxdr[i].count = rxdr->count; + } + if(netif_running(adapter->netdev)) { /* Try to get new resources before deleting old */ - if((err = e1000_setup_rx_resources(adapter))) + if ((err = e1000_setup_all_rx_resources(adapter))) goto err_setup_rx; - if((err = e1000_setup_tx_resources(adapter))) + if ((err = e1000_setup_all_tx_resources(adapter))) goto err_setup_tx; /* save the new, restore the old in order to free it, @@ -635,8 +663,10 @@ e1000_set_ringparam(struct net_device *netdev, tx_new = adapter->tx_ring; adapter->rx_ring = rx_old; adapter->tx_ring = tx_old; - e1000_free_rx_resources(adapter); - e1000_free_tx_resources(adapter); + e1000_free_all_rx_resources(adapter); + e1000_free_all_tx_resources(adapter); + kfree(tx_old); + kfree(rx_old); adapter->rx_ring = rx_new; adapter->tx_ring = tx_new; if((err = e1000_up(adapter))) @@ -645,7 +675,7 @@ e1000_set_ringparam(struct net_device *netdev, return 0; err_setup_tx: - e1000_free_rx_resources(adapter); + e1000_free_all_rx_resources(adapter); err_setup_rx: adapter->rx_ring = rx_old; adapter->tx_ring = tx_old; @@ -696,6 +726,11 @@ e1000_reg_test(struct e1000_adapter *adapter, uint64_t *data) * Some bits that get toggled are ignored. */ switch (adapter->hw.mac_type) { + /* there are several bits on newer hardware that are r/w */ + case e1000_82571: + case e1000_82572: + toggle = 0x7FFFF3FF; + break; case e1000_82573: toggle = 0x7FFFF033; break; @@ -898,8 +933,8 @@ e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data) static void e1000_free_desc_rings(struct e1000_adapter *adapter) { - struct e1000_desc_ring *txdr = &adapter->test_tx_ring; - struct e1000_desc_ring *rxdr = &adapter->test_rx_ring; + struct e1000_tx_ring *txdr = &adapter->test_tx_ring; + struct e1000_rx_ring *rxdr = &adapter->test_rx_ring; struct pci_dev *pdev = adapter->pdev; int i; @@ -930,19 +965,16 @@ e1000_free_desc_rings(struct e1000_adapter *adapter) if(rxdr->desc) pci_free_consistent(pdev, rxdr->size, rxdr->desc, rxdr->dma); - if(txdr->buffer_info) - kfree(txdr->buffer_info); - if(rxdr->buffer_info) - kfree(rxdr->buffer_info); - + kfree(txdr->buffer_info); + kfree(rxdr->buffer_info); return; } static int e1000_setup_desc_rings(struct e1000_adapter *adapter) { - struct e1000_desc_ring *txdr = &adapter->test_tx_ring; - struct e1000_desc_ring *rxdr = &adapter->test_rx_ring; + struct e1000_tx_ring *txdr = &adapter->test_tx_ring; + struct e1000_rx_ring *rxdr = &adapter->test_rx_ring; struct pci_dev *pdev = adapter->pdev; uint32_t rctl; int size, i, ret_val; @@ -1245,6 +1277,8 @@ e1000_set_phy_loopback(struct e1000_adapter *adapter) case e1000_82541_rev_2: case e1000_82547: case e1000_82547_rev_2: + case e1000_82571: + case e1000_82572: case e1000_82573: return e1000_integrated_phy_loopback(adapter); break; @@ -1340,8 +1374,8 @@ e1000_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size) static int e1000_run_loopback_test(struct e1000_adapter *adapter) { - struct e1000_desc_ring *txdr = &adapter->test_tx_ring; - struct e1000_desc_ring *rxdr = &adapter->test_rx_ring; + struct e1000_tx_ring *txdr = &adapter->test_tx_ring; + struct e1000_rx_ring *rxdr = &adapter->test_rx_ring; struct pci_dev *pdev = adapter->pdev; int i, j, k, l, lc, good_cnt, ret_val=0; unsigned long time; @@ -1509,6 +1543,7 @@ e1000_diag_test(struct net_device *netdev, data[2] = 0; data[3] = 0; } + msleep_interruptible(4 * 1000); } static void @@ -1625,7 +1660,7 @@ e1000_phys_id(struct net_device *netdev, uint32_t data) if(!data || data > (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ)) data = (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ); - if(adapter->hw.mac_type < e1000_82573) { + if(adapter->hw.mac_type < e1000_82571) { if(!adapter->blink_timer.function) { init_timer(&adapter->blink_timer); adapter->blink_timer.function = e1000_led_blink_callback; @@ -1739,6 +1774,7 @@ struct ethtool_ops e1000_ethtool_ops = { .phys_id = e1000_phys_id, .get_stats_count = e1000_get_stats_count, .get_ethtool_stats = e1000_get_ethtool_stats, + .get_perm_addr = ethtool_op_get_perm_addr, }; void e1000_set_ethtool_ops(struct net_device *netdev) diff --git a/drivers/net/e1000/e1000_hw.c b/drivers/net/e1000/e1000_hw.c index 045f5426ab9a..8fc876da43b4 100644 --- a/drivers/net/e1000/e1000_hw.c +++ b/drivers/net/e1000/e1000_hw.c @@ -83,14 +83,14 @@ uint16_t e1000_igp_cable_length_table[IGP01E1000_AGC_LENGTH_TABLE_SIZE] = static const uint16_t e1000_igp_2_cable_length_table[IGP02E1000_AGC_LENGTH_TABLE_SIZE] = - { 8, 13, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, - 22, 24, 27, 30, 32, 35, 37, 40, 42, 44, 47, 49, 51, 54, 56, 58, - 32, 35, 38, 41, 44, 47, 50, 53, 55, 58, 61, 63, 66, 69, 71, 74, - 43, 47, 51, 54, 58, 61, 64, 67, 71, 74, 77, 80, 82, 85, 88, 90, - 57, 62, 66, 70, 74, 77, 81, 85, 88, 91, 94, 97, 100, 103, 106, 108, - 73, 78, 82, 87, 91, 95, 98, 102, 105, 109, 112, 114, 117, 119, 122, 124, - 91, 96, 101, 105, 109, 113, 116, 119, 122, 125, 127, 128, 128, 128, 128, 128, - 108, 113, 117, 121, 124, 127, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128}; + { 0, 0, 0, 0, 0, 0, 0, 0, 3, 5, 8, 11, 13, 16, 18, 21, + 0, 0, 0, 3, 6, 10, 13, 16, 19, 23, 26, 29, 32, 35, 38, 41, + 6, 10, 14, 18, 22, 26, 30, 33, 37, 41, 44, 48, 51, 54, 58, 61, + 21, 26, 31, 35, 40, 44, 49, 53, 57, 61, 65, 68, 72, 75, 79, 82, + 40, 45, 51, 56, 61, 66, 70, 75, 79, 83, 87, 91, 94, 98, 101, 104, + 60, 66, 72, 77, 82, 87, 92, 96, 100, 104, 108, 111, 114, 117, 119, 121, + 83, 89, 95, 100, 105, 109, 113, 116, 119, 122, 124, + 104, 109, 114, 118, 121, 124}; /****************************************************************************** @@ -286,7 +286,6 @@ e1000_set_mac_type(struct e1000_hw *hw) case E1000_DEV_ID_82546GB_FIBER: case E1000_DEV_ID_82546GB_SERDES: case E1000_DEV_ID_82546GB_PCIE: - case E1000_DEV_ID_82546GB_QUAD_COPPER: hw->mac_type = e1000_82546_rev_3; break; case E1000_DEV_ID_82541EI: @@ -305,8 +304,19 @@ e1000_set_mac_type(struct e1000_hw *hw) case E1000_DEV_ID_82547GI: hw->mac_type = e1000_82547_rev_2; break; + case E1000_DEV_ID_82571EB_COPPER: + case E1000_DEV_ID_82571EB_FIBER: + case E1000_DEV_ID_82571EB_SERDES: + hw->mac_type = e1000_82571; + break; + case E1000_DEV_ID_82572EI_COPPER: + case E1000_DEV_ID_82572EI_FIBER: + case E1000_DEV_ID_82572EI_SERDES: + hw->mac_type = e1000_82572; + break; case E1000_DEV_ID_82573E: case E1000_DEV_ID_82573E_IAMT: + case E1000_DEV_ID_82573L: hw->mac_type = e1000_82573; break; default: @@ -315,6 +325,8 @@ e1000_set_mac_type(struct e1000_hw *hw) } switch(hw->mac_type) { + case e1000_82571: + case e1000_82572: case e1000_82573: hw->eeprom_semaphore_present = TRUE; /* fall through */ @@ -351,6 +363,8 @@ e1000_set_media_type(struct e1000_hw *hw) switch (hw->device_id) { case E1000_DEV_ID_82545GM_SERDES: case E1000_DEV_ID_82546GB_SERDES: + case E1000_DEV_ID_82571EB_SERDES: + case E1000_DEV_ID_82572EI_SERDES: hw->media_type = e1000_media_type_internal_serdes; break; default: @@ -523,6 +537,8 @@ e1000_reset_hw(struct e1000_hw *hw) E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext); E1000_WRITE_FLUSH(hw); /* fall through */ + case e1000_82571: + case e1000_82572: ret_val = e1000_get_auto_rd_done(hw); if(ret_val) /* We don't want to continue accessing MAC registers. */ @@ -683,6 +699,9 @@ e1000_init_hw(struct e1000_hw *hw) switch (hw->mac_type) { default: break; + case e1000_82571: + case e1000_82572: + ctrl |= (1 << 22); case e1000_82573: ctrl |= E1000_TXDCTL_COUNT_DESC; break; @@ -694,6 +713,26 @@ e1000_init_hw(struct e1000_hw *hw) e1000_enable_tx_pkt_filtering(hw); } + switch (hw->mac_type) { + default: + break; + case e1000_82571: + case e1000_82572: + ctrl = E1000_READ_REG(hw, TXDCTL1); + ctrl &= ~E1000_TXDCTL_WTHRESH; + ctrl |= E1000_TXDCTL_COUNT_DESC | E1000_TXDCTL_FULL_TX_DESC_WB; + ctrl |= (1 << 22); + E1000_WRITE_REG(hw, TXDCTL1, ctrl); + break; + } + + + + if (hw->mac_type == e1000_82573) { + uint32_t gcr = E1000_READ_REG(hw, GCR); + gcr |= E1000_GCR_L1_ACT_WITHOUT_L0S_RX; + E1000_WRITE_REG(hw, GCR, gcr); + } /* Clear all of the statistics registers (clear on read). It is * important that we do this after we have tried to establish link @@ -878,6 +917,14 @@ e1000_setup_fiber_serdes_link(struct e1000_hw *hw) DEBUGFUNC("e1000_setup_fiber_serdes_link"); + /* On 82571 and 82572 Fiber connections, SerDes loopback mode persists + * until explicitly turned off or a power cycle is performed. A read to + * the register does not indicate its status. Therefore, we ensure + * loopback mode is disabled during initialization. + */ + if (hw->mac_type == e1000_82571 || hw->mac_type == e1000_82572) + E1000_WRITE_REG(hw, SCTL, E1000_DISABLE_SERDES_LOOPBACK); + /* On adapters with a MAC newer than 82544, SW Defineable pin 1 will be * set when the optics detect a signal. On older adapters, it will be * cleared when there is a signal. This applies to fiber media only. @@ -2943,6 +2990,8 @@ e1000_phy_reset(struct e1000_hw *hw) switch (hw->mac_type) { case e1000_82541_rev_2: + case e1000_82571: + case e1000_82572: ret_val = e1000_phy_hw_reset(hw); if(ret_val) return ret_val; @@ -2981,6 +3030,16 @@ e1000_detect_gig_phy(struct e1000_hw *hw) DEBUGFUNC("e1000_detect_gig_phy"); + /* The 82571 firmware may still be configuring the PHY. In this + * case, we cannot access the PHY until the configuration is done. So + * we explicitly set the PHY values. */ + if(hw->mac_type == e1000_82571 || + hw->mac_type == e1000_82572) { + hw->phy_id = IGP01E1000_I_PHY_ID; + hw->phy_type = e1000_phy_igp_2; + return E1000_SUCCESS; + } + /* Read the PHY ID Registers to identify which PHY is onboard. */ ret_val = e1000_read_phy_reg(hw, PHY_ID1, &phy_id_high); if(ret_val) @@ -3334,6 +3393,21 @@ e1000_init_eeprom_params(struct e1000_hw *hw) eeprom->use_eerd = FALSE; eeprom->use_eewr = FALSE; break; + case e1000_82571: + case e1000_82572: + eeprom->type = e1000_eeprom_spi; + eeprom->opcode_bits = 8; + eeprom->delay_usec = 1; + if (eecd & E1000_EECD_ADDR_BITS) { + eeprom->page_size = 32; + eeprom->address_bits = 16; + } else { + eeprom->page_size = 8; + eeprom->address_bits = 8; + } + eeprom->use_eerd = FALSE; + eeprom->use_eewr = FALSE; + break; case e1000_82573: eeprom->type = e1000_eeprom_spi; eeprom->opcode_bits = 8; @@ -3543,25 +3617,26 @@ e1000_acquire_eeprom(struct e1000_hw *hw) eecd = E1000_READ_REG(hw, EECD); if (hw->mac_type != e1000_82573) { - /* Request EEPROM Access */ - if(hw->mac_type > e1000_82544) { - eecd |= E1000_EECD_REQ; - E1000_WRITE_REG(hw, EECD, eecd); - eecd = E1000_READ_REG(hw, EECD); - while((!(eecd & E1000_EECD_GNT)) && - (i < E1000_EEPROM_GRANT_ATTEMPTS)) { - i++; - udelay(5); - eecd = E1000_READ_REG(hw, EECD); - } - if(!(eecd & E1000_EECD_GNT)) { - eecd &= ~E1000_EECD_REQ; + /* Request EEPROM Access */ + if(hw->mac_type > e1000_82544) { + eecd |= E1000_EECD_REQ; E1000_WRITE_REG(hw, EECD, eecd); - DEBUGOUT("Could not acquire EEPROM grant\n"); - return -E1000_ERR_EEPROM; + eecd = E1000_READ_REG(hw, EECD); + while((!(eecd & E1000_EECD_GNT)) && + (i < E1000_EEPROM_GRANT_ATTEMPTS)) { + i++; + udelay(5); + eecd = E1000_READ_REG(hw, EECD); + } + if(!(eecd & E1000_EECD_GNT)) { + eecd &= ~E1000_EECD_REQ; + E1000_WRITE_REG(hw, EECD, eecd); + DEBUGOUT("Could not acquire EEPROM grant\n"); + e1000_put_hw_eeprom_semaphore(hw); + return -E1000_ERR_EEPROM; + } } } - } /* Setup EEPROM for Read/Write */ @@ -4064,7 +4139,7 @@ e1000_write_eeprom(struct e1000_hw *hw, return -E1000_ERR_EEPROM; } - /* 82573 reads only through eerd */ + /* 82573 writes only through eewr */ if(eeprom->use_eewr == TRUE) return e1000_write_eeprom_eewr(hw, offset, words, data); @@ -4353,9 +4428,16 @@ e1000_read_mac_addr(struct e1000_hw * hw) hw->perm_mac_addr[i] = (uint8_t) (eeprom_data & 0x00FF); hw->perm_mac_addr[i+1] = (uint8_t) (eeprom_data >> 8); } - if(((hw->mac_type == e1000_82546) || (hw->mac_type == e1000_82546_rev_3)) && - (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1)) + switch (hw->mac_type) { + default: + break; + case e1000_82546: + case e1000_82546_rev_3: + case e1000_82571: + if(E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) hw->perm_mac_addr[5] ^= 0x01; + break; + } for(i = 0; i < NODE_ADDRESS_SIZE; i++) hw->mac_addr[i] = hw->perm_mac_addr[i]; @@ -4385,6 +4467,12 @@ e1000_init_rx_addrs(struct e1000_hw *hw) e1000_rar_set(hw, hw->mac_addr, 0); rar_num = E1000_RAR_ENTRIES; + + /* Reserve a spot for the Locally Administered Address to work around + * an 82571 issue in which a reset on one port will reload the MAC on + * the other port. */ + if ((hw->mac_type == e1000_82571) && (hw->laa_is_present == TRUE)) + rar_num -= 1; /* Zero out the other 15 receive addresses. */ DEBUGOUT("Clearing RAR[1-15]\n"); for(i = 1; i < rar_num; i++) { @@ -4427,6 +4515,12 @@ e1000_mc_addr_list_update(struct e1000_hw *hw, /* Clear RAR[1-15] */ DEBUGOUT(" Clearing RAR[1-15]\n"); num_rar_entry = E1000_RAR_ENTRIES; + /* Reserve a spot for the Locally Administered Address to work around + * an 82571 issue in which a reset on one port will reload the MAC on + * the other port. */ + if ((hw->mac_type == e1000_82571) && (hw->laa_is_present == TRUE)) + num_rar_entry -= 1; + for(i = rar_used_count; i < num_rar_entry; i++) { E1000_WRITE_REG_ARRAY(hw, RA, (i << 1), 0); E1000_WRITE_REG_ARRAY(hw, RA, ((i << 1) + 1), 0); @@ -4984,7 +5078,6 @@ e1000_clear_hw_cntrs(struct e1000_hw *hw) temp = E1000_READ_REG(hw, ICTXQEC); temp = E1000_READ_REG(hw, ICTXQMTC); temp = E1000_READ_REG(hw, ICRXDMTC); - } /****************************************************************************** @@ -5151,6 +5244,8 @@ e1000_get_bus_info(struct e1000_hw *hw) hw->bus_speed = e1000_bus_speed_unknown; hw->bus_width = e1000_bus_width_unknown; break; + case e1000_82571: + case e1000_82572: case e1000_82573: hw->bus_type = e1000_bus_type_pci_express; hw->bus_speed = e1000_bus_speed_2500; @@ -5250,6 +5345,7 @@ e1000_get_cable_length(struct e1000_hw *hw, int32_t ret_val; uint16_t agc_value = 0; uint16_t cur_agc, min_agc = IGP01E1000_AGC_LENGTH_TABLE_SIZE; + uint16_t max_agc = 0; uint16_t i, phy_data; uint16_t cable_length; @@ -5338,6 +5434,40 @@ e1000_get_cable_length(struct e1000_hw *hw, IGP01E1000_AGC_RANGE) : 0; *max_length = e1000_igp_cable_length_table[agc_value] + IGP01E1000_AGC_RANGE; + } else if (hw->phy_type == e1000_phy_igp_2) { + uint16_t agc_reg_array[IGP02E1000_PHY_CHANNEL_NUM] = + {IGP02E1000_PHY_AGC_A, + IGP02E1000_PHY_AGC_B, + IGP02E1000_PHY_AGC_C, + IGP02E1000_PHY_AGC_D}; + /* Read the AGC registers for all channels */ + for (i = 0; i < IGP02E1000_PHY_CHANNEL_NUM; i++) { + ret_val = e1000_read_phy_reg(hw, agc_reg_array[i], &phy_data); + if (ret_val) + return ret_val; + + /* Getting bits 15:9, which represent the combination of course and + * fine gain values. The result is a number that can be put into + * the lookup table to obtain the approximate cable length. */ + cur_agc = (phy_data >> IGP02E1000_AGC_LENGTH_SHIFT) & + IGP02E1000_AGC_LENGTH_MASK; + + /* Remove min & max AGC values from calculation. */ + if (e1000_igp_2_cable_length_table[min_agc] > e1000_igp_2_cable_length_table[cur_agc]) + min_agc = cur_agc; + if (e1000_igp_2_cable_length_table[max_agc] < e1000_igp_2_cable_length_table[cur_agc]) + max_agc = cur_agc; + + agc_value += e1000_igp_2_cable_length_table[cur_agc]; + } + + agc_value -= (e1000_igp_2_cable_length_table[min_agc] + e1000_igp_2_cable_length_table[max_agc]); + agc_value /= (IGP02E1000_PHY_CHANNEL_NUM - 2); + + /* Calculate cable length with the error range of +/- 10 meters. */ + *min_length = ((agc_value - IGP02E1000_AGC_RANGE) > 0) ? + (agc_value - IGP02E1000_AGC_RANGE) : 0; + *max_length = agc_value + IGP02E1000_AGC_RANGE; } return E1000_SUCCESS; @@ -6465,6 +6595,8 @@ e1000_get_auto_rd_done(struct e1000_hw *hw) default: msec_delay(5); break; + case e1000_82571: + case e1000_82572: case e1000_82573: while(timeout) { if (E1000_READ_REG(hw, EECD) & E1000_EECD_AUTO_RD) break; @@ -6494,10 +6626,31 @@ e1000_get_auto_rd_done(struct e1000_hw *hw) int32_t e1000_get_phy_cfg_done(struct e1000_hw *hw) { + int32_t timeout = PHY_CFG_TIMEOUT; + uint32_t cfg_mask = E1000_EEPROM_CFG_DONE; + DEBUGFUNC("e1000_get_phy_cfg_done"); - /* Simply wait for 10ms */ - msec_delay(10); + switch (hw->mac_type) { + default: + msec_delay(10); + break; + case e1000_82571: + case e1000_82572: + while (timeout) { + if (E1000_READ_REG(hw, EEMNGCTL) & cfg_mask) + break; + else + msec_delay(1); + timeout--; + } + + if (!timeout) { + DEBUGOUT("MNG configuration cycle has not completed.\n"); + return -E1000_ERR_RESET; + } + break; + } return E1000_SUCCESS; } @@ -6569,8 +6722,7 @@ e1000_put_hw_eeprom_semaphore(struct e1000_hw *hw) return; swsm = E1000_READ_REG(hw, SWSM); - /* Release both semaphores. */ - swsm &= ~(E1000_SWSM_SMBI | E1000_SWSM_SWESMBI); + swsm &= ~(E1000_SWSM_SWESMBI); E1000_WRITE_REG(hw, SWSM, swsm); } @@ -6606,6 +6758,8 @@ e1000_arc_subsystem_valid(struct e1000_hw *hw) * if this is the case. We read FWSM to determine the manageability mode. */ switch (hw->mac_type) { + case e1000_82571: + case e1000_82572: case e1000_82573: fwsm = E1000_READ_REG(hw, FWSM); if((fwsm & E1000_FWSM_MODE_MASK) != 0) diff --git a/drivers/net/e1000/e1000_hw.h b/drivers/net/e1000/e1000_hw.h index 51c2b3a18b6f..4f2c196dc314 100644 --- a/drivers/net/e1000/e1000_hw.h +++ b/drivers/net/e1000/e1000_hw.h @@ -57,6 +57,8 @@ typedef enum { e1000_82541_rev_2, e1000_82547, e1000_82547_rev_2, + e1000_82571, + e1000_82572, e1000_82573, e1000_num_macs } e1000_mac_type; @@ -478,10 +480,16 @@ uint8_t e1000_arc_subsystem_valid(struct e1000_hw *hw); #define E1000_DEV_ID_82546GB_SERDES 0x107B #define E1000_DEV_ID_82546GB_PCIE 0x108A #define E1000_DEV_ID_82547EI 0x1019 +#define E1000_DEV_ID_82571EB_COPPER 0x105E +#define E1000_DEV_ID_82571EB_FIBER 0x105F +#define E1000_DEV_ID_82571EB_SERDES 0x1060 +#define E1000_DEV_ID_82572EI_COPPER 0x107D +#define E1000_DEV_ID_82572EI_FIBER 0x107E +#define E1000_DEV_ID_82572EI_SERDES 0x107F #define E1000_DEV_ID_82573E 0x108B #define E1000_DEV_ID_82573E_IAMT 0x108C +#define E1000_DEV_ID_82573L 0x109A -#define E1000_DEV_ID_82546GB_QUAD_COPPER 0x1099 #define NODE_ADDRESS_SIZE 6 #define ETH_LENGTH_OF_ADDRESS 6 @@ -833,6 +841,8 @@ struct e1000_ffvt_entry { #define E1000_FFMT_SIZE E1000_FLEXIBLE_FILTER_SIZE_MAX #define E1000_FFVT_SIZE E1000_FLEXIBLE_FILTER_SIZE_MAX +#define E1000_DISABLE_SERDES_LOOPBACK 0x0400 + /* Register Set. (82543, 82544) * * Registers are defined to be 32 bits and should be accessed as 32 bit values. @@ -853,6 +863,7 @@ struct e1000_ffvt_entry { #define E1000_CTRL_EXT 0x00018 /* Extended Device Control - RW */ #define E1000_FLA 0x0001C /* Flash Access - RW */ #define E1000_MDIC 0x00020 /* MDI Control - RW */ +#define E1000_SCTL 0x00024 /* SerDes Control - RW */ #define E1000_FCAL 0x00028 /* Flow Control Address Low - RW */ #define E1000_FCAH 0x0002C /* Flow Control Address High -RW */ #define E1000_FCT 0x00030 /* Flow Control Type - RW */ @@ -864,6 +875,12 @@ struct e1000_ffvt_entry { #define E1000_IMC 0x000D8 /* Interrupt Mask Clear - WO */ #define E1000_IAM 0x000E0 /* Interrupt Acknowledge Auto Mask */ #define E1000_RCTL 0x00100 /* RX Control - RW */ +#define E1000_RDTR1 0x02820 /* RX Delay Timer (1) - RW */ +#define E1000_RDBAL1 0x02900 /* RX Descriptor Base Address Low (1) - RW */ +#define E1000_RDBAH1 0x02904 /* RX Descriptor Base Address High (1) - RW */ +#define E1000_RDLEN1 0x02908 /* RX Descriptor Length (1) - RW */ +#define E1000_RDH1 0x02910 /* RX Descriptor Head (1) - RW */ +#define E1000_RDT1 0x02918 /* RX Descriptor Tail (1) - RW */ #define E1000_FCTTV 0x00170 /* Flow Control Transmit Timer Value - RW */ #define E1000_TXCW 0x00178 /* TX Configuration Word - RW */ #define E1000_RXCW 0x00180 /* RX Configuration Word - RO */ @@ -895,6 +912,12 @@ struct e1000_ffvt_entry { #define E1000_RDH 0x02810 /* RX Descriptor Head - RW */ #define E1000_RDT 0x02818 /* RX Descriptor Tail - RW */ #define E1000_RDTR 0x02820 /* RX Delay Timer - RW */ +#define E1000_RDBAL0 E1000_RDBAL /* RX Desc Base Address Low (0) - RW */ +#define E1000_RDBAH0 E1000_RDBAH /* RX Desc Base Address High (0) - RW */ +#define E1000_RDLEN0 E1000_RDLEN /* RX Desc Length (0) - RW */ +#define E1000_RDH0 E1000_RDH /* RX Desc Head (0) - RW */ +#define E1000_RDT0 E1000_RDT /* RX Desc Tail (0) - RW */ +#define E1000_RDTR0 E1000_RDTR /* RX Delay Timer (0) - RW */ #define E1000_RXDCTL 0x02828 /* RX Descriptor Control - RW */ #define E1000_RADV 0x0282C /* RX Interrupt Absolute Delay Timer - RW */ #define E1000_RSRPD 0x02C00 /* RX Small Packet Detect - RW */ @@ -980,15 +1003,15 @@ struct e1000_ffvt_entry { #define E1000_BPTC 0x040F4 /* Broadcast Packets TX Count - R/clr */ #define E1000_TSCTC 0x040F8 /* TCP Segmentation Context TX - R/clr */ #define E1000_TSCTFC 0x040FC /* TCP Segmentation Context TX Fail - R/clr */ -#define E1000_IAC 0x4100 /* Interrupt Assertion Count */ -#define E1000_ICRXPTC 0x4104 /* Interrupt Cause Rx Packet Timer Expire Count */ -#define E1000_ICRXATC 0x4108 /* Interrupt Cause Rx Absolute Timer Expire Count */ -#define E1000_ICTXPTC 0x410C /* Interrupt Cause Tx Packet Timer Expire Count */ -#define E1000_ICTXATC 0x4110 /* Interrupt Cause Tx Absolute Timer Expire Count */ -#define E1000_ICTXQEC 0x4118 /* Interrupt Cause Tx Queue Empty Count */ -#define E1000_ICTXQMTC 0x411C /* Interrupt Cause Tx Queue Minimum Threshold Count */ -#define E1000_ICRXDMTC 0x4120 /* Interrupt Cause Rx Descriptor Minimum Threshold Count */ -#define E1000_ICRXOC 0x4124 /* Interrupt Cause Receiver Overrun Count */ +#define E1000_IAC 0x04100 /* Interrupt Assertion Count */ +#define E1000_ICRXPTC 0x04104 /* Interrupt Cause Rx Packet Timer Expire Count */ +#define E1000_ICRXATC 0x04108 /* Interrupt Cause Rx Absolute Timer Expire Count */ +#define E1000_ICTXPTC 0x0410C /* Interrupt Cause Tx Packet Timer Expire Count */ +#define E1000_ICTXATC 0x04110 /* Interrupt Cause Tx Absolute Timer Expire Count */ +#define E1000_ICTXQEC 0x04118 /* Interrupt Cause Tx Queue Empty Count */ +#define E1000_ICTXQMTC 0x0411C /* Interrupt Cause Tx Queue Minimum Threshold Count */ +#define E1000_ICRXDMTC 0x04120 /* Interrupt Cause Rx Descriptor Minimum Threshold Count */ +#define E1000_ICRXOC 0x04124 /* Interrupt Cause Receiver Overrun Count */ #define E1000_RXCSUM 0x05000 /* RX Checksum Control - RW */ #define E1000_RFCTL 0x05008 /* Receive Filter Control*/ #define E1000_MTA 0x05200 /* Multicast Table Array - RW Array */ @@ -1018,6 +1041,14 @@ struct e1000_ffvt_entry { #define E1000_FWSM 0x05B54 /* FW Semaphore */ #define E1000_FFLT_DBG 0x05F04 /* Debug Register */ #define E1000_HICR 0x08F00 /* Host Inteface Control */ + +/* RSS registers */ +#define E1000_CPUVEC 0x02C10 /* CPU Vector Register - RW */ +#define E1000_MRQC 0x05818 /* Multiple Receive Control - RW */ +#define E1000_RETA 0x05C00 /* Redirection Table - RW Array */ +#define E1000_RSSRK 0x05C80 /* RSS Random Key - RW Array */ +#define E1000_RSSIM 0x05864 /* RSS Interrupt Mask */ +#define E1000_RSSIR 0x05868 /* RSS Interrupt Request */ /* Register Set (82542) * * Some of the 82542 registers are located at different offsets than they are @@ -1032,6 +1063,7 @@ struct e1000_ffvt_entry { #define E1000_82542_CTRL_EXT E1000_CTRL_EXT #define E1000_82542_FLA E1000_FLA #define E1000_82542_MDIC E1000_MDIC +#define E1000_82542_SCTL E1000_SCTL #define E1000_82542_FCAL E1000_FCAL #define E1000_82542_FCAH E1000_FCAH #define E1000_82542_FCT E1000_FCT @@ -1049,6 +1081,18 @@ struct e1000_ffvt_entry { #define E1000_82542_RDLEN 0x00118 #define E1000_82542_RDH 0x00120 #define E1000_82542_RDT 0x00128 +#define E1000_82542_RDTR0 E1000_82542_RDTR +#define E1000_82542_RDBAL0 E1000_82542_RDBAL +#define E1000_82542_RDBAH0 E1000_82542_RDBAH +#define E1000_82542_RDLEN0 E1000_82542_RDLEN +#define E1000_82542_RDH0 E1000_82542_RDH +#define E1000_82542_RDT0 E1000_82542_RDT +#define E1000_82542_RDTR1 0x00130 +#define E1000_82542_RDBAL1 0x00138 +#define E1000_82542_RDBAH1 0x0013C +#define E1000_82542_RDLEN1 0x00140 +#define E1000_82542_RDH1 0x00148 +#define E1000_82542_RDT1 0x00150 #define E1000_82542_FCRTH 0x00160 #define E1000_82542_FCRTL 0x00168 #define E1000_82542_FCTTV E1000_FCTTV @@ -1197,6 +1241,13 @@ struct e1000_ffvt_entry { #define E1000_82542_ICRXOC E1000_ICRXOC #define E1000_82542_HICR E1000_HICR +#define E1000_82542_CPUVEC E1000_CPUVEC +#define E1000_82542_MRQC E1000_MRQC +#define E1000_82542_RETA E1000_RETA +#define E1000_82542_RSSRK E1000_RSSRK +#define E1000_82542_RSSIM E1000_RSSIM +#define E1000_82542_RSSIR E1000_RSSIR + /* Statistics counters collected by the MAC */ struct e1000_hw_stats { uint64_t crcerrs; @@ -1336,6 +1387,7 @@ struct e1000_hw { boolean_t serdes_link_down; boolean_t tbi_compatibility_en; boolean_t tbi_compatibility_on; + boolean_t laa_is_present; boolean_t phy_reset_disable; boolean_t fc_send_xon; boolean_t fc_strict_ieee; @@ -1374,6 +1426,7 @@ struct e1000_hw { #define E1000_CTRL_BEM32 0x00000400 /* Big Endian 32 mode */ #define E1000_CTRL_FRCSPD 0x00000800 /* Force Speed */ #define E1000_CTRL_FRCDPX 0x00001000 /* Force Duplex */ +#define E1000_CTRL_D_UD_EN 0x00002000 /* Dock/Undock enable */ #define E1000_CTRL_D_UD_POLARITY 0x00004000 /* Defined polarity of Dock/Undock indication in SDP[0] */ #define E1000_CTRL_SWDPIN0 0x00040000 /* SWDPIN 0 value */ #define E1000_CTRL_SWDPIN1 0x00080000 /* SWDPIN 1 value */ @@ -1491,6 +1544,8 @@ struct e1000_hw { #define E1000_CTRL_EXT_WR_WMARK_320 0x01000000 #define E1000_CTRL_EXT_WR_WMARK_384 0x02000000 #define E1000_CTRL_EXT_WR_WMARK_448 0x03000000 +#define E1000_CTRL_EXT_CANC 0x04000000 /* Interrupt delay cancellation */ +#define E1000_CTRL_EXT_DRV_LOAD 0x10000000 /* Driver loaded bit for FW */ #define E1000_CTRL_EXT_IAME 0x08000000 /* Interrupt acknowledge Auto-mask */ #define E1000_CTRL_EXT_INT_TIMER_CLR 0x20000000 /* Clear Interrupt timers after IMS clear */ @@ -1524,6 +1579,7 @@ struct e1000_hw { #define E1000_LEDCTL_LED2_BLINK 0x00800000 #define E1000_LEDCTL_LED3_MODE_MASK 0x0F000000 #define E1000_LEDCTL_LED3_MODE_SHIFT 24 +#define E1000_LEDCTL_LED3_BLINK_RATE 0x20000000 #define E1000_LEDCTL_LED3_IVRT 0x40000000 #define E1000_LEDCTL_LED3_BLINK 0x80000000 @@ -1784,6 +1840,16 @@ struct e1000_hw { #define E1000_RXCSUM_IPPCSE 0x00001000 /* IP payload checksum enable */ #define E1000_RXCSUM_PCSD 0x00002000 /* packet checksum disabled */ +/* Multiple Receive Queue Control */ +#define E1000_MRQC_ENABLE_MASK 0x00000003 +#define E1000_MRQC_ENABLE_RSS_2Q 0x00000001 +#define E1000_MRQC_ENABLE_RSS_INT 0x00000004 +#define E1000_MRQC_RSS_FIELD_MASK 0xFFFF0000 +#define E1000_MRQC_RSS_FIELD_IPV4_TCP 0x00010000 +#define E1000_MRQC_RSS_FIELD_IPV4 0x00020000 +#define E1000_MRQC_RSS_FIELD_IPV6_TCP 0x00040000 +#define E1000_MRQC_RSS_FIELD_IPV6_EX 0x00080000 +#define E1000_MRQC_RSS_FIELD_IPV6 0x00100000 /* Definitions for power management and wakeup registers */ /* Wake Up Control */ @@ -1928,6 +1994,7 @@ struct e1000_host_command_info { #define E1000_MDALIGN 4096 #define E1000_GCR_BEM32 0x00400000 +#define E1000_GCR_L1_ACT_WITHOUT_L0S_RX 0x08000000 /* Function Active and Power State to MNG */ #define E1000_FACTPS_FUNC0_POWER_STATE_MASK 0x00000003 #define E1000_FACTPS_LAN0_VALID 0x00000004 @@ -1980,6 +2047,7 @@ struct e1000_host_command_info { /* EEPROM Word Offsets */ #define EEPROM_COMPAT 0x0003 #define EEPROM_ID_LED_SETTINGS 0x0004 +#define EEPROM_VERSION 0x0005 #define EEPROM_SERDES_AMPLITUDE 0x0006 /* For SERDES output amplitude adjustment. */ #define EEPROM_PHY_CLASS_WORD 0x0007 #define EEPROM_INIT_CONTROL1_REG 0x000A @@ -1990,6 +2058,8 @@ struct e1000_host_command_info { #define EEPROM_FLASH_VERSION 0x0032 #define EEPROM_CHECKSUM_REG 0x003F +#define E1000_EEPROM_CFG_DONE 0x00040000 /* MNG config cycle done */ + /* Word definitions for ID LED Settings */ #define ID_LED_RESERVED_0000 0x0000 #define ID_LED_RESERVED_FFFF 0xFFFF @@ -2108,6 +2178,8 @@ struct e1000_host_command_info { #define E1000_PBA_22K 0x0016 #define E1000_PBA_24K 0x0018 #define E1000_PBA_30K 0x001E +#define E1000_PBA_32K 0x0020 +#define E1000_PBA_38K 0x0026 #define E1000_PBA_40K 0x0028 #define E1000_PBA_48K 0x0030 /* 48KB, default RX allocation */ @@ -2592,11 +2664,11 @@ struct e1000_host_command_info { /* 7 bits (3 Coarse + 4 Fine) --> 128 optional values */ #define IGP01E1000_AGC_LENGTH_TABLE_SIZE 128 -#define IGP02E1000_AGC_LENGTH_TABLE_SIZE 128 +#define IGP02E1000_AGC_LENGTH_TABLE_SIZE 113 /* The precision error of the cable length is +/- 10 meters */ #define IGP01E1000_AGC_RANGE 10 -#define IGP02E1000_AGC_RANGE 10 +#define IGP02E1000_AGC_RANGE 15 /* IGP01E1000 PCS Initialization register */ /* bits 3:6 in the PCS registers stores the channels polarity */ diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index ee687c902a20..efbbda7cbcbf 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -43,7 +43,7 @@ char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver"; #else #define DRIVERNAPI "-NAPI" #endif -#define DRV_VERSION "6.0.60-k2"DRIVERNAPI +#define DRV_VERSION "6.1.16-k2"DRIVERNAPI char e1000_driver_version[] = DRV_VERSION; char e1000_copyright[] = "Copyright (c) 1999-2005 Intel Corporation."; @@ -80,6 +80,9 @@ static struct pci_device_id e1000_pci_tbl[] = { INTEL_E1000_ETHERNET_DEVICE(0x1026), INTEL_E1000_ETHERNET_DEVICE(0x1027), INTEL_E1000_ETHERNET_DEVICE(0x1028), + INTEL_E1000_ETHERNET_DEVICE(0x105E), + INTEL_E1000_ETHERNET_DEVICE(0x105F), + INTEL_E1000_ETHERNET_DEVICE(0x1060), INTEL_E1000_ETHERNET_DEVICE(0x1075), INTEL_E1000_ETHERNET_DEVICE(0x1076), INTEL_E1000_ETHERNET_DEVICE(0x1077), @@ -88,10 +91,13 @@ static struct pci_device_id e1000_pci_tbl[] = { INTEL_E1000_ETHERNET_DEVICE(0x107A), INTEL_E1000_ETHERNET_DEVICE(0x107B), INTEL_E1000_ETHERNET_DEVICE(0x107C), + INTEL_E1000_ETHERNET_DEVICE(0x107D), + INTEL_E1000_ETHERNET_DEVICE(0x107E), + INTEL_E1000_ETHERNET_DEVICE(0x107F), INTEL_E1000_ETHERNET_DEVICE(0x108A), INTEL_E1000_ETHERNET_DEVICE(0x108B), INTEL_E1000_ETHERNET_DEVICE(0x108C), - INTEL_E1000_ETHERNET_DEVICE(0x1099), + INTEL_E1000_ETHERNET_DEVICE(0x109A), /* required last entry */ {0,} }; @@ -102,10 +108,18 @@ int e1000_up(struct e1000_adapter *adapter); void e1000_down(struct e1000_adapter *adapter); void e1000_reset(struct e1000_adapter *adapter); int e1000_set_spd_dplx(struct e1000_adapter *adapter, uint16_t spddplx); -int e1000_setup_tx_resources(struct e1000_adapter *adapter); -int e1000_setup_rx_resources(struct e1000_adapter *adapter); -void e1000_free_tx_resources(struct e1000_adapter *adapter); -void e1000_free_rx_resources(struct e1000_adapter *adapter); +int e1000_setup_all_tx_resources(struct e1000_adapter *adapter); +int e1000_setup_all_rx_resources(struct e1000_adapter *adapter); +void e1000_free_all_tx_resources(struct e1000_adapter *adapter); +void e1000_free_all_rx_resources(struct e1000_adapter *adapter); +int e1000_setup_tx_resources(struct e1000_adapter *adapter, + struct e1000_tx_ring *txdr); +int e1000_setup_rx_resources(struct e1000_adapter *adapter, + struct e1000_rx_ring *rxdr); +void e1000_free_tx_resources(struct e1000_adapter *adapter, + struct e1000_tx_ring *tx_ring); +void e1000_free_rx_resources(struct e1000_adapter *adapter, + struct e1000_rx_ring *rx_ring); void e1000_update_stats(struct e1000_adapter *adapter); /* Local Function Prototypes */ @@ -114,14 +128,22 @@ static int e1000_init_module(void); static void e1000_exit_module(void); static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent); static void __devexit e1000_remove(struct pci_dev *pdev); +static int e1000_alloc_queues(struct e1000_adapter *adapter); +#ifdef CONFIG_E1000_MQ +static void e1000_setup_queue_mapping(struct e1000_adapter *adapter); +#endif static int e1000_sw_init(struct e1000_adapter *adapter); static int e1000_open(struct net_device *netdev); static int e1000_close(struct net_device *netdev); static void e1000_configure_tx(struct e1000_adapter *adapter); static void e1000_configure_rx(struct e1000_adapter *adapter); static void e1000_setup_rctl(struct e1000_adapter *adapter); -static void e1000_clean_tx_ring(struct e1000_adapter *adapter); -static void e1000_clean_rx_ring(struct e1000_adapter *adapter); +static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter); +static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter); +static void e1000_clean_tx_ring(struct e1000_adapter *adapter, + struct e1000_tx_ring *tx_ring); +static void e1000_clean_rx_ring(struct e1000_adapter *adapter, + struct e1000_rx_ring *rx_ring); static void e1000_set_multi(struct net_device *netdev); static void e1000_update_phy_info(unsigned long data); static void e1000_watchdog(unsigned long data); @@ -132,19 +154,26 @@ static struct net_device_stats * e1000_get_stats(struct net_device *netdev); static int e1000_change_mtu(struct net_device *netdev, int new_mtu); static int e1000_set_mac(struct net_device *netdev, void *p); static irqreturn_t e1000_intr(int irq, void *data, struct pt_regs *regs); -static boolean_t e1000_clean_tx_irq(struct e1000_adapter *adapter); +static boolean_t e1000_clean_tx_irq(struct e1000_adapter *adapter, + struct e1000_tx_ring *tx_ring); #ifdef CONFIG_E1000_NAPI -static int e1000_clean(struct net_device *netdev, int *budget); +static int e1000_clean(struct net_device *poll_dev, int *budget); static boolean_t e1000_clean_rx_irq(struct e1000_adapter *adapter, + struct e1000_rx_ring *rx_ring, int *work_done, int work_to_do); static boolean_t e1000_clean_rx_irq_ps(struct e1000_adapter *adapter, + struct e1000_rx_ring *rx_ring, int *work_done, int work_to_do); #else -static boolean_t e1000_clean_rx_irq(struct e1000_adapter *adapter); -static boolean_t e1000_clean_rx_irq_ps(struct e1000_adapter *adapter); +static boolean_t e1000_clean_rx_irq(struct e1000_adapter *adapter, + struct e1000_rx_ring *rx_ring); +static boolean_t e1000_clean_rx_irq_ps(struct e1000_adapter *adapter, + struct e1000_rx_ring *rx_ring); #endif -static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter); -static void e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter); +static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter, + struct e1000_rx_ring *rx_ring); +static void e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter, + struct e1000_rx_ring *rx_ring); static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd); static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd); @@ -162,8 +191,8 @@ static void e1000_vlan_rx_add_vid(struct net_device *netdev, uint16_t vid); static void e1000_vlan_rx_kill_vid(struct net_device *netdev, uint16_t vid); static void e1000_restore_vlan(struct e1000_adapter *adapter); -static int e1000_suspend(struct pci_dev *pdev, pm_message_t state); #ifdef CONFIG_PM +static int e1000_suspend(struct pci_dev *pdev, pm_message_t state); static int e1000_resume(struct pci_dev *pdev); #endif @@ -172,6 +201,11 @@ static int e1000_resume(struct pci_dev *pdev); static void e1000_netpoll (struct net_device *netdev); #endif +#ifdef CONFIG_E1000_MQ +/* for multiple Rx queues */ +void e1000_rx_schedule(void *data); +#endif + /* Exported from other modules */ extern void e1000_check_options(struct e1000_adapter *adapter); @@ -289,7 +323,7 @@ int e1000_up(struct e1000_adapter *adapter) { struct net_device *netdev = adapter->netdev; - int err; + int i, err; /* hardware has been reset, we need to reload some things */ @@ -308,7 +342,8 @@ e1000_up(struct e1000_adapter *adapter) e1000_configure_tx(adapter); e1000_setup_rctl(adapter); e1000_configure_rx(adapter); - adapter->alloc_rx_buf(adapter); + for (i = 0; i < adapter->num_queues; i++) + adapter->alloc_rx_buf(adapter, &adapter->rx_ring[i]); #ifdef CONFIG_PCI_MSI if(adapter->hw.mac_type > e1000_82547_rev_2) { @@ -344,6 +379,9 @@ e1000_down(struct e1000_adapter *adapter) struct net_device *netdev = adapter->netdev; e1000_irq_disable(adapter); +#ifdef CONFIG_E1000_MQ + while (atomic_read(&adapter->rx_sched_call_data.count) != 0); +#endif free_irq(adapter->pdev->irq, netdev); #ifdef CONFIG_PCI_MSI if(adapter->hw.mac_type > e1000_82547_rev_2 && @@ -363,11 +401,10 @@ e1000_down(struct e1000_adapter *adapter) netif_stop_queue(netdev); e1000_reset(adapter); - e1000_clean_tx_ring(adapter); - e1000_clean_rx_ring(adapter); + e1000_clean_all_tx_rings(adapter); + e1000_clean_all_rx_rings(adapter); - /* If WoL is not enabled - * and management mode is not IAMT + /* If WoL is not enabled and management mode is not IAMT * Power down the PHY so no link is implied when interface is down */ if(!adapter->wol && adapter->hw.mac_type >= e1000_82540 && adapter->hw.media_type == e1000_media_type_copper && @@ -398,6 +435,10 @@ e1000_reset(struct e1000_adapter *adapter) case e1000_82547_rev_2: pba = E1000_PBA_30K; break; + case e1000_82571: + case e1000_82572: + pba = E1000_PBA_38K; + break; case e1000_82573: pba = E1000_PBA_12K; break; @@ -475,6 +516,7 @@ e1000_probe(struct pci_dev *pdev, struct net_device *netdev; struct e1000_adapter *adapter; unsigned long mmio_start, mmio_len; + uint32_t ctrl_ext; uint32_t swsm; static int cards_found = 0; @@ -614,8 +656,9 @@ e1000_probe(struct pci_dev *pdev, if(e1000_read_mac_addr(&adapter->hw)) DPRINTK(PROBE, ERR, "EEPROM Read Error\n"); memcpy(netdev->dev_addr, adapter->hw.mac_addr, netdev->addr_len); + memcpy(netdev->perm_addr, adapter->hw.mac_addr, netdev->addr_len); - if(!is_valid_ether_addr(netdev->dev_addr)) { + if(!is_valid_ether_addr(netdev->perm_addr)) { DPRINTK(PROBE, ERR, "Invalid MAC Address\n"); err = -EIO; goto err_eeprom; @@ -687,6 +730,12 @@ e1000_probe(struct pci_dev *pdev, /* Let firmware know the driver has taken over */ switch(adapter->hw.mac_type) { + case e1000_82571: + case e1000_82572: + ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT); + E1000_WRITE_REG(&adapter->hw, CTRL_EXT, + ctrl_ext | E1000_CTRL_EXT_DRV_LOAD); + break; case e1000_82573: swsm = E1000_READ_REG(&adapter->hw, SWSM); E1000_WRITE_REG(&adapter->hw, SWSM, @@ -731,7 +780,11 @@ e1000_remove(struct pci_dev *pdev) { struct net_device *netdev = pci_get_drvdata(pdev); struct e1000_adapter *adapter = netdev_priv(netdev); + uint32_t ctrl_ext; uint32_t manc, swsm; +#ifdef CONFIG_E1000_NAPI + int i; +#endif flush_scheduled_work(); @@ -745,6 +798,12 @@ e1000_remove(struct pci_dev *pdev) } switch(adapter->hw.mac_type) { + case e1000_82571: + case e1000_82572: + ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT); + E1000_WRITE_REG(&adapter->hw, CTRL_EXT, + ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD); + break; case e1000_82573: swsm = E1000_READ_REG(&adapter->hw, SWSM); E1000_WRITE_REG(&adapter->hw, SWSM, @@ -756,13 +815,27 @@ e1000_remove(struct pci_dev *pdev) } unregister_netdev(netdev); +#ifdef CONFIG_E1000_NAPI + for (i = 0; i < adapter->num_queues; i++) + __dev_put(&adapter->polling_netdev[i]); +#endif if(!e1000_check_phy_reset_block(&adapter->hw)) e1000_phy_hw_reset(&adapter->hw); + kfree(adapter->tx_ring); + kfree(adapter->rx_ring); +#ifdef CONFIG_E1000_NAPI + kfree(adapter->polling_netdev); +#endif + iounmap(adapter->hw.hw_addr); pci_release_regions(pdev); +#ifdef CONFIG_E1000_MQ + free_percpu(adapter->cpu_netdev); + free_percpu(adapter->cpu_tx_ring); +#endif free_netdev(netdev); pci_disable_device(pdev); @@ -783,6 +856,9 @@ e1000_sw_init(struct e1000_adapter *adapter) struct e1000_hw *hw = &adapter->hw; struct net_device *netdev = adapter->netdev; struct pci_dev *pdev = adapter->pdev; +#ifdef CONFIG_E1000_NAPI + int i; +#endif /* PCI config space info */ @@ -840,14 +916,123 @@ e1000_sw_init(struct e1000_adapter *adapter) hw->master_slave = E1000_MASTER_SLAVE; } +#ifdef CONFIG_E1000_MQ + /* Number of supported queues */ + switch (hw->mac_type) { + case e1000_82571: + case e1000_82572: + adapter->num_queues = 2; + break; + default: + adapter->num_queues = 1; + break; + } + adapter->num_queues = min(adapter->num_queues, num_online_cpus()); +#else + adapter->num_queues = 1; +#endif + + if (e1000_alloc_queues(adapter)) { + DPRINTK(PROBE, ERR, "Unable to allocate memory for queues\n"); + return -ENOMEM; + } + +#ifdef CONFIG_E1000_NAPI + for (i = 0; i < adapter->num_queues; i++) { + adapter->polling_netdev[i].priv = adapter; + adapter->polling_netdev[i].poll = &e1000_clean; + adapter->polling_netdev[i].weight = 64; + dev_hold(&adapter->polling_netdev[i]); + set_bit(__LINK_STATE_START, &adapter->polling_netdev[i].state); + } +#endif + +#ifdef CONFIG_E1000_MQ + e1000_setup_queue_mapping(adapter); +#endif + atomic_set(&adapter->irq_sem, 1); spin_lock_init(&adapter->stats_lock); - spin_lock_init(&adapter->tx_lock); return 0; } /** + * e1000_alloc_queues - Allocate memory for all rings + * @adapter: board private structure to initialize + * + * We allocate one ring per queue at run-time since we don't know the + * number of queues at compile-time. The polling_netdev array is + * intended for Multiqueue, but should work fine with a single queue. + **/ + +static int __devinit +e1000_alloc_queues(struct e1000_adapter *adapter) +{ + int size; + + size = sizeof(struct e1000_tx_ring) * adapter->num_queues; + adapter->tx_ring = kmalloc(size, GFP_KERNEL); + if (!adapter->tx_ring) + return -ENOMEM; + memset(adapter->tx_ring, 0, size); + + size = sizeof(struct e1000_rx_ring) * adapter->num_queues; + adapter->rx_ring = kmalloc(size, GFP_KERNEL); + if (!adapter->rx_ring) { + kfree(adapter->tx_ring); + return -ENOMEM; + } + memset(adapter->rx_ring, 0, size); + +#ifdef CONFIG_E1000_NAPI + size = sizeof(struct net_device) * adapter->num_queues; + adapter->polling_netdev = kmalloc(size, GFP_KERNEL); + if (!adapter->polling_netdev) { + kfree(adapter->tx_ring); + kfree(adapter->rx_ring); + return -ENOMEM; + } + memset(adapter->polling_netdev, 0, size); +#endif + + return E1000_SUCCESS; +} + +#ifdef CONFIG_E1000_MQ +static void __devinit +e1000_setup_queue_mapping(struct e1000_adapter *adapter) +{ + int i, cpu; + + adapter->rx_sched_call_data.func = e1000_rx_schedule; + adapter->rx_sched_call_data.info = adapter->netdev; + cpus_clear(adapter->rx_sched_call_data.cpumask); + + adapter->cpu_netdev = alloc_percpu(struct net_device *); + adapter->cpu_tx_ring = alloc_percpu(struct e1000_tx_ring *); + + lock_cpu_hotplug(); + i = 0; + for_each_online_cpu(cpu) { + *per_cpu_ptr(adapter->cpu_tx_ring, cpu) = &adapter->tx_ring[i % adapter->num_queues]; + /* This is incomplete because we'd like to assign separate + * physical cpus to these netdev polling structures and + * avoid saturating a subset of cpus. + */ + if (i < adapter->num_queues) { + *per_cpu_ptr(adapter->cpu_netdev, cpu) = &adapter->polling_netdev[i]; + adapter->cpu_for_queue[i] = cpu; + } else + *per_cpu_ptr(adapter->cpu_netdev, cpu) = NULL; + + i++; + } + unlock_cpu_hotplug(); +} +#endif + +/** * e1000_open - Called when a network interface is made active * @netdev: network interface device structure * @@ -868,12 +1053,12 @@ e1000_open(struct net_device *netdev) /* allocate transmit descriptors */ - if((err = e1000_setup_tx_resources(adapter))) + if ((err = e1000_setup_all_tx_resources(adapter))) goto err_setup_tx; /* allocate receive descriptors */ - if((err = e1000_setup_rx_resources(adapter))) + if ((err = e1000_setup_all_rx_resources(adapter))) goto err_setup_rx; if((err = e1000_up(adapter))) @@ -887,9 +1072,9 @@ e1000_open(struct net_device *netdev) return E1000_SUCCESS; err_up: - e1000_free_rx_resources(adapter); + e1000_free_all_rx_resources(adapter); err_setup_rx: - e1000_free_tx_resources(adapter); + e1000_free_all_tx_resources(adapter); err_setup_tx: e1000_reset(adapter); @@ -915,8 +1100,8 @@ e1000_close(struct net_device *netdev) e1000_down(adapter); - e1000_free_tx_resources(adapter); - e1000_free_rx_resources(adapter); + e1000_free_all_tx_resources(adapter); + e1000_free_all_rx_resources(adapter); if((adapter->hw.mng_cookie.status & E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) { @@ -951,25 +1136,28 @@ e1000_check_64k_bound(struct e1000_adapter *adapter, /** * e1000_setup_tx_resources - allocate Tx resources (Descriptors) * @adapter: board private structure + * @txdr: tx descriptor ring (for a specific queue) to setup * * Return 0 on success, negative on failure **/ int -e1000_setup_tx_resources(struct e1000_adapter *adapter) +e1000_setup_tx_resources(struct e1000_adapter *adapter, + struct e1000_tx_ring *txdr) { - struct e1000_desc_ring *txdr = &adapter->tx_ring; struct pci_dev *pdev = adapter->pdev; int size; size = sizeof(struct e1000_buffer) * txdr->count; - txdr->buffer_info = vmalloc(size); + + txdr->buffer_info = vmalloc_node(size, pcibus_to_node(pdev->bus)); if(!txdr->buffer_info) { DPRINTK(PROBE, ERR, "Unable to allocate memory for the transmit descriptor ring\n"); return -ENOMEM; } memset(txdr->buffer_info, 0, size); + memset(&txdr->previous_buffer_info, 0, sizeof(struct e1000_buffer)); /* round up to nearest 4K */ @@ -1018,11 +1206,41 @@ setup_tx_desc_die: txdr->next_to_use = 0; txdr->next_to_clean = 0; + spin_lock_init(&txdr->tx_lock); return 0; } /** + * e1000_setup_all_tx_resources - wrapper to allocate Tx resources + * (Descriptors) for all queues + * @adapter: board private structure + * + * If this function returns with an error, then it's possible one or + * more of the rings is populated (while the rest are not). It is the + * callers duty to clean those orphaned rings. + * + * Return 0 on success, negative on failure + **/ + +int +e1000_setup_all_tx_resources(struct e1000_adapter *adapter) +{ + int i, err = 0; + + for (i = 0; i < adapter->num_queues; i++) { + err = e1000_setup_tx_resources(adapter, &adapter->tx_ring[i]); + if (err) { + DPRINTK(PROBE, ERR, + "Allocation for Tx Queue %u failed\n", i); + break; + } + } + + return err; +} + +/** * e1000_configure_tx - Configure 8254x Transmit Unit after Reset * @adapter: board private structure * @@ -1032,23 +1250,43 @@ setup_tx_desc_die: static void e1000_configure_tx(struct e1000_adapter *adapter) { - uint64_t tdba = adapter->tx_ring.dma; - uint32_t tdlen = adapter->tx_ring.count * sizeof(struct e1000_tx_desc); - uint32_t tctl, tipg; - - E1000_WRITE_REG(&adapter->hw, TDBAL, (tdba & 0x00000000ffffffffULL)); - E1000_WRITE_REG(&adapter->hw, TDBAH, (tdba >> 32)); - - E1000_WRITE_REG(&adapter->hw, TDLEN, tdlen); + uint64_t tdba; + struct e1000_hw *hw = &adapter->hw; + uint32_t tdlen, tctl, tipg, tarc; /* Setup the HW Tx Head and Tail descriptor pointers */ - E1000_WRITE_REG(&adapter->hw, TDH, 0); - E1000_WRITE_REG(&adapter->hw, TDT, 0); + switch (adapter->num_queues) { + case 2: + tdba = adapter->tx_ring[1].dma; + tdlen = adapter->tx_ring[1].count * + sizeof(struct e1000_tx_desc); + E1000_WRITE_REG(hw, TDBAL1, (tdba & 0x00000000ffffffffULL)); + E1000_WRITE_REG(hw, TDBAH1, (tdba >> 32)); + E1000_WRITE_REG(hw, TDLEN1, tdlen); + E1000_WRITE_REG(hw, TDH1, 0); + E1000_WRITE_REG(hw, TDT1, 0); + adapter->tx_ring[1].tdh = E1000_TDH1; + adapter->tx_ring[1].tdt = E1000_TDT1; + /* Fall Through */ + case 1: + default: + tdba = adapter->tx_ring[0].dma; + tdlen = adapter->tx_ring[0].count * + sizeof(struct e1000_tx_desc); + E1000_WRITE_REG(hw, TDBAL, (tdba & 0x00000000ffffffffULL)); + E1000_WRITE_REG(hw, TDBAH, (tdba >> 32)); + E1000_WRITE_REG(hw, TDLEN, tdlen); + E1000_WRITE_REG(hw, TDH, 0); + E1000_WRITE_REG(hw, TDT, 0); + adapter->tx_ring[0].tdh = E1000_TDH; + adapter->tx_ring[0].tdt = E1000_TDT; + break; + } /* Set the default values for the Tx Inter Packet Gap timer */ - switch (adapter->hw.mac_type) { + switch (hw->mac_type) { case e1000_82542_rev2_0: case e1000_82542_rev2_1: tipg = DEFAULT_82542_TIPG_IPGT; @@ -1056,67 +1294,81 @@ e1000_configure_tx(struct e1000_adapter *adapter) tipg |= DEFAULT_82542_TIPG_IPGR2 << E1000_TIPG_IPGR2_SHIFT; break; default: - if(adapter->hw.media_type == e1000_media_type_fiber || - adapter->hw.media_type == e1000_media_type_internal_serdes) + if (hw->media_type == e1000_media_type_fiber || + hw->media_type == e1000_media_type_internal_serdes) tipg = DEFAULT_82543_TIPG_IPGT_FIBER; else tipg = DEFAULT_82543_TIPG_IPGT_COPPER; tipg |= DEFAULT_82543_TIPG_IPGR1 << E1000_TIPG_IPGR1_SHIFT; tipg |= DEFAULT_82543_TIPG_IPGR2 << E1000_TIPG_IPGR2_SHIFT; } - E1000_WRITE_REG(&adapter->hw, TIPG, tipg); + E1000_WRITE_REG(hw, TIPG, tipg); /* Set the Tx Interrupt Delay register */ - E1000_WRITE_REG(&adapter->hw, TIDV, adapter->tx_int_delay); - if(adapter->hw.mac_type >= e1000_82540) - E1000_WRITE_REG(&adapter->hw, TADV, adapter->tx_abs_int_delay); + E1000_WRITE_REG(hw, TIDV, adapter->tx_int_delay); + if (hw->mac_type >= e1000_82540) + E1000_WRITE_REG(hw, TADV, adapter->tx_abs_int_delay); /* Program the Transmit Control Register */ - tctl = E1000_READ_REG(&adapter->hw, TCTL); + tctl = E1000_READ_REG(hw, TCTL); tctl &= ~E1000_TCTL_CT; - tctl |= E1000_TCTL_EN | E1000_TCTL_PSP | + tctl |= E1000_TCTL_EN | E1000_TCTL_PSP | E1000_TCTL_RTLC | (E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT); - E1000_WRITE_REG(&adapter->hw, TCTL, tctl); + E1000_WRITE_REG(hw, TCTL, tctl); + + if (hw->mac_type == e1000_82571 || hw->mac_type == e1000_82572) { + tarc = E1000_READ_REG(hw, TARC0); + tarc |= ((1 << 25) | (1 << 21)); + E1000_WRITE_REG(hw, TARC0, tarc); + tarc = E1000_READ_REG(hw, TARC1); + tarc |= (1 << 25); + if (tctl & E1000_TCTL_MULR) + tarc &= ~(1 << 28); + else + tarc |= (1 << 28); + E1000_WRITE_REG(hw, TARC1, tarc); + } - e1000_config_collision_dist(&adapter->hw); + e1000_config_collision_dist(hw); /* Setup Transmit Descriptor Settings for eop descriptor */ adapter->txd_cmd = E1000_TXD_CMD_IDE | E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS; - if(adapter->hw.mac_type < e1000_82543) + if (hw->mac_type < e1000_82543) adapter->txd_cmd |= E1000_TXD_CMD_RPS; else adapter->txd_cmd |= E1000_TXD_CMD_RS; /* Cache if we're 82544 running in PCI-X because we'll * need this to apply a workaround later in the send path. */ - if(adapter->hw.mac_type == e1000_82544 && - adapter->hw.bus_type == e1000_bus_type_pcix) + if (hw->mac_type == e1000_82544 && + hw->bus_type == e1000_bus_type_pcix) adapter->pcix_82544 = 1; } /** * e1000_setup_rx_resources - allocate Rx resources (Descriptors) * @adapter: board private structure + * @rxdr: rx descriptor ring (for a specific queue) to setup * * Returns 0 on success, negative on failure **/ int -e1000_setup_rx_resources(struct e1000_adapter *adapter) +e1000_setup_rx_resources(struct e1000_adapter *adapter, + struct e1000_rx_ring *rxdr) { - struct e1000_desc_ring *rxdr = &adapter->rx_ring; struct pci_dev *pdev = adapter->pdev; int size, desc_len; size = sizeof(struct e1000_buffer) * rxdr->count; - rxdr->buffer_info = vmalloc(size); - if(!rxdr->buffer_info) { + rxdr->buffer_info = vmalloc_node(size, pcibus_to_node(pdev->bus)); + if (!rxdr->buffer_info) { DPRINTK(PROBE, ERR, "Unable to allocate memory for the receive descriptor ring\n"); return -ENOMEM; @@ -1156,13 +1408,13 @@ e1000_setup_rx_resources(struct e1000_adapter *adapter) rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma); - if(!rxdr->desc) { + if (!rxdr->desc) { + DPRINTK(PROBE, ERR, + "Unable to allocate memory for the receive descriptor ring\n"); setup_rx_desc_die: vfree(rxdr->buffer_info); kfree(rxdr->ps_page); kfree(rxdr->ps_page_dma); - DPRINTK(PROBE, ERR, - "Unable to allocate memory for the receive descriptor ring\n"); return -ENOMEM; } @@ -1174,9 +1426,12 @@ setup_rx_desc_die: "at %p\n", rxdr->size, rxdr->desc); /* Try again, without freeing the previous */ rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma); - if(!rxdr->desc) { /* Failed allocation, critical failure */ + if (!rxdr->desc) { pci_free_consistent(pdev, rxdr->size, olddesc, olddma); + DPRINTK(PROBE, ERR, + "Unable to allocate memory " + "for the receive descriptor ring\n"); goto setup_rx_desc_die; } @@ -1188,10 +1443,7 @@ setup_rx_desc_die: DPRINTK(PROBE, ERR, "Unable to allocate aligned memory " "for the receive descriptor ring\n"); - vfree(rxdr->buffer_info); - kfree(rxdr->ps_page); - kfree(rxdr->ps_page_dma); - return -ENOMEM; + goto setup_rx_desc_die; } else { /* Free old allocation, new allocation was successful */ pci_free_consistent(pdev, rxdr->size, olddesc, olddma); @@ -1206,15 +1458,48 @@ setup_rx_desc_die: } /** + * e1000_setup_all_rx_resources - wrapper to allocate Rx resources + * (Descriptors) for all queues + * @adapter: board private structure + * + * If this function returns with an error, then it's possible one or + * more of the rings is populated (while the rest are not). It is the + * callers duty to clean those orphaned rings. + * + * Return 0 on success, negative on failure + **/ + +int +e1000_setup_all_rx_resources(struct e1000_adapter *adapter) +{ + int i, err = 0; + + for (i = 0; i < adapter->num_queues; i++) { + err = e1000_setup_rx_resources(adapter, &adapter->rx_ring[i]); + if (err) { + DPRINTK(PROBE, ERR, + "Allocation for Rx Queue %u failed\n", i); + break; + } + } + + return err; +} + +/** * e1000_setup_rctl - configure the receive control registers * @adapter: Board private structure **/ - +#define PAGE_USE_COUNT(S) (((S) >> PAGE_SHIFT) + \ + (((S) & (PAGE_SIZE - 1)) ? 1 : 0)) static void e1000_setup_rctl(struct e1000_adapter *adapter) { uint32_t rctl, rfctl; uint32_t psrctl = 0; +#ifdef CONFIG_E1000_PACKET_SPLIT + uint32_t pages = 0; +#endif rctl = E1000_READ_REG(&adapter->hw, RCTL); @@ -1235,7 +1520,7 @@ e1000_setup_rctl(struct e1000_adapter *adapter) rctl |= E1000_RCTL_LPE; /* Setup buffer sizes */ - if(adapter->hw.mac_type == e1000_82573) { + if(adapter->hw.mac_type >= e1000_82571) { /* We can now specify buffers in 1K increments. * BSIZE and BSEX are ignored in this case. */ rctl |= adapter->rx_buffer_len << 0x11; @@ -1268,11 +1553,14 @@ e1000_setup_rctl(struct e1000_adapter *adapter) * followed by the page buffers. Therefore, skb->data is * sized to hold the largest protocol header. */ - adapter->rx_ps = (adapter->hw.mac_type > e1000_82547_rev_2) - && (adapter->netdev->mtu - < ((3 * PAGE_SIZE) + adapter->rx_ps_bsize0)); + pages = PAGE_USE_COUNT(adapter->netdev->mtu); + if ((adapter->hw.mac_type > e1000_82547_rev_2) && (pages <= 3) && + PAGE_SIZE <= 16384) + adapter->rx_ps_pages = pages; + else + adapter->rx_ps_pages = 0; #endif - if(adapter->rx_ps) { + if (adapter->rx_ps_pages) { /* Configure extra packet-split registers */ rfctl = E1000_READ_REG(&adapter->hw, RFCTL); rfctl |= E1000_RFCTL_EXTEN; @@ -1284,12 +1572,19 @@ e1000_setup_rctl(struct e1000_adapter *adapter) psrctl |= adapter->rx_ps_bsize0 >> E1000_PSRCTL_BSIZE0_SHIFT; - psrctl |= PAGE_SIZE >> - E1000_PSRCTL_BSIZE1_SHIFT; - psrctl |= PAGE_SIZE << - E1000_PSRCTL_BSIZE2_SHIFT; - psrctl |= PAGE_SIZE << - E1000_PSRCTL_BSIZE3_SHIFT; + + switch (adapter->rx_ps_pages) { + case 3: + psrctl |= PAGE_SIZE << + E1000_PSRCTL_BSIZE3_SHIFT; + case 2: + psrctl |= PAGE_SIZE << + E1000_PSRCTL_BSIZE2_SHIFT; + case 1: + psrctl |= PAGE_SIZE >> + E1000_PSRCTL_BSIZE1_SHIFT; + break; + } E1000_WRITE_REG(&adapter->hw, PSRCTL, psrctl); } @@ -1307,91 +1602,181 @@ e1000_setup_rctl(struct e1000_adapter *adapter) static void e1000_configure_rx(struct e1000_adapter *adapter) { - uint64_t rdba = adapter->rx_ring.dma; - uint32_t rdlen, rctl, rxcsum; + uint64_t rdba; + struct e1000_hw *hw = &adapter->hw; + uint32_t rdlen, rctl, rxcsum, ctrl_ext; +#ifdef CONFIG_E1000_MQ + uint32_t reta, mrqc; + int i; +#endif - if(adapter->rx_ps) { - rdlen = adapter->rx_ring.count * + if (adapter->rx_ps_pages) { + rdlen = adapter->rx_ring[0].count * sizeof(union e1000_rx_desc_packet_split); adapter->clean_rx = e1000_clean_rx_irq_ps; adapter->alloc_rx_buf = e1000_alloc_rx_buffers_ps; } else { - rdlen = adapter->rx_ring.count * sizeof(struct e1000_rx_desc); + rdlen = adapter->rx_ring[0].count * + sizeof(struct e1000_rx_desc); adapter->clean_rx = e1000_clean_rx_irq; adapter->alloc_rx_buf = e1000_alloc_rx_buffers; } /* disable receives while setting up the descriptors */ - rctl = E1000_READ_REG(&adapter->hw, RCTL); - E1000_WRITE_REG(&adapter->hw, RCTL, rctl & ~E1000_RCTL_EN); + rctl = E1000_READ_REG(hw, RCTL); + E1000_WRITE_REG(hw, RCTL, rctl & ~E1000_RCTL_EN); /* set the Receive Delay Timer Register */ - E1000_WRITE_REG(&adapter->hw, RDTR, adapter->rx_int_delay); + E1000_WRITE_REG(hw, RDTR, adapter->rx_int_delay); - if(adapter->hw.mac_type >= e1000_82540) { - E1000_WRITE_REG(&adapter->hw, RADV, adapter->rx_abs_int_delay); + if (hw->mac_type >= e1000_82540) { + E1000_WRITE_REG(hw, RADV, adapter->rx_abs_int_delay); if(adapter->itr > 1) - E1000_WRITE_REG(&adapter->hw, ITR, + E1000_WRITE_REG(hw, ITR, 1000000000 / (adapter->itr * 256)); } - /* Setup the Base and Length of the Rx Descriptor Ring */ - E1000_WRITE_REG(&adapter->hw, RDBAL, (rdba & 0x00000000ffffffffULL)); - E1000_WRITE_REG(&adapter->hw, RDBAH, (rdba >> 32)); + if (hw->mac_type >= e1000_82571) { + /* Reset delay timers after every interrupt */ + ctrl_ext = E1000_READ_REG(hw, CTRL_EXT); + ctrl_ext |= E1000_CTRL_EXT_CANC; + E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext); + E1000_WRITE_FLUSH(hw); + } + + /* Setup the HW Rx Head and Tail Descriptor Pointers and + * the Base and Length of the Rx Descriptor Ring */ + switch (adapter->num_queues) { +#ifdef CONFIG_E1000_MQ + case 2: + rdba = adapter->rx_ring[1].dma; + E1000_WRITE_REG(hw, RDBAL1, (rdba & 0x00000000ffffffffULL)); + E1000_WRITE_REG(hw, RDBAH1, (rdba >> 32)); + E1000_WRITE_REG(hw, RDLEN1, rdlen); + E1000_WRITE_REG(hw, RDH1, 0); + E1000_WRITE_REG(hw, RDT1, 0); + adapter->rx_ring[1].rdh = E1000_RDH1; + adapter->rx_ring[1].rdt = E1000_RDT1; + /* Fall Through */ +#endif + case 1: + default: + rdba = adapter->rx_ring[0].dma; + E1000_WRITE_REG(hw, RDBAL, (rdba & 0x00000000ffffffffULL)); + E1000_WRITE_REG(hw, RDBAH, (rdba >> 32)); + E1000_WRITE_REG(hw, RDLEN, rdlen); + E1000_WRITE_REG(hw, RDH, 0); + E1000_WRITE_REG(hw, RDT, 0); + adapter->rx_ring[0].rdh = E1000_RDH; + adapter->rx_ring[0].rdt = E1000_RDT; + break; + } + +#ifdef CONFIG_E1000_MQ + if (adapter->num_queues > 1) { + uint32_t random[10]; + + get_random_bytes(&random[0], 40); - E1000_WRITE_REG(&adapter->hw, RDLEN, rdlen); + if (hw->mac_type <= e1000_82572) { + E1000_WRITE_REG(hw, RSSIR, 0); + E1000_WRITE_REG(hw, RSSIM, 0); + } + + switch (adapter->num_queues) { + case 2: + default: + reta = 0x00800080; + mrqc = E1000_MRQC_ENABLE_RSS_2Q; + break; + } - /* Setup the HW Rx Head and Tail Descriptor Pointers */ - E1000_WRITE_REG(&adapter->hw, RDH, 0); - E1000_WRITE_REG(&adapter->hw, RDT, 0); + /* Fill out redirection table */ + for (i = 0; i < 32; i++) + E1000_WRITE_REG_ARRAY(hw, RETA, i, reta); + /* Fill out hash function seeds */ + for (i = 0; i < 10; i++) + E1000_WRITE_REG_ARRAY(hw, RSSRK, i, random[i]); + + mrqc |= (E1000_MRQC_RSS_FIELD_IPV4 | + E1000_MRQC_RSS_FIELD_IPV4_TCP); + E1000_WRITE_REG(hw, MRQC, mrqc); + } + + /* Multiqueue and packet checksumming are mutually exclusive. */ + if (hw->mac_type >= e1000_82571) { + rxcsum = E1000_READ_REG(hw, RXCSUM); + rxcsum |= E1000_RXCSUM_PCSD; + E1000_WRITE_REG(hw, RXCSUM, rxcsum); + } + +#else /* Enable 82543 Receive Checksum Offload for TCP and UDP */ - if(adapter->hw.mac_type >= e1000_82543) { - rxcsum = E1000_READ_REG(&adapter->hw, RXCSUM); + if (hw->mac_type >= e1000_82543) { + rxcsum = E1000_READ_REG(hw, RXCSUM); if(adapter->rx_csum == TRUE) { rxcsum |= E1000_RXCSUM_TUOFL; - /* Enable 82573 IPv4 payload checksum for UDP fragments + /* Enable 82571 IPv4 payload checksum for UDP fragments * Must be used in conjunction with packet-split. */ - if((adapter->hw.mac_type > e1000_82547_rev_2) && - (adapter->rx_ps)) { + if ((hw->mac_type >= e1000_82571) && + (adapter->rx_ps_pages)) { rxcsum |= E1000_RXCSUM_IPPCSE; } } else { rxcsum &= ~E1000_RXCSUM_TUOFL; /* don't need to clear IPPCSE as it defaults to 0 */ } - E1000_WRITE_REG(&adapter->hw, RXCSUM, rxcsum); + E1000_WRITE_REG(hw, RXCSUM, rxcsum); } +#endif /* CONFIG_E1000_MQ */ - if (adapter->hw.mac_type == e1000_82573) - E1000_WRITE_REG(&adapter->hw, ERT, 0x0100); + if (hw->mac_type == e1000_82573) + E1000_WRITE_REG(hw, ERT, 0x0100); /* Enable Receives */ - E1000_WRITE_REG(&adapter->hw, RCTL, rctl); + E1000_WRITE_REG(hw, RCTL, rctl); } /** - * e1000_free_tx_resources - Free Tx Resources + * e1000_free_tx_resources - Free Tx Resources per Queue * @adapter: board private structure + * @tx_ring: Tx descriptor ring for a specific queue * * Free all transmit software resources **/ void -e1000_free_tx_resources(struct e1000_adapter *adapter) +e1000_free_tx_resources(struct e1000_adapter *adapter, + struct e1000_tx_ring *tx_ring) { struct pci_dev *pdev = adapter->pdev; - e1000_clean_tx_ring(adapter); + e1000_clean_tx_ring(adapter, tx_ring); - vfree(adapter->tx_ring.buffer_info); - adapter->tx_ring.buffer_info = NULL; + vfree(tx_ring->buffer_info); + tx_ring->buffer_info = NULL; - pci_free_consistent(pdev, adapter->tx_ring.size, - adapter->tx_ring.desc, adapter->tx_ring.dma); + pci_free_consistent(pdev, tx_ring->size, tx_ring->desc, tx_ring->dma); + + tx_ring->desc = NULL; +} + +/** + * e1000_free_all_tx_resources - Free Tx Resources for All Queues + * @adapter: board private structure + * + * Free all transmit software resources + **/ + +void +e1000_free_all_tx_resources(struct e1000_adapter *adapter) +{ + int i; - adapter->tx_ring.desc = NULL; + for (i = 0; i < adapter->num_queues; i++) + e1000_free_tx_resources(adapter, &adapter->tx_ring[i]); } static inline void @@ -1414,21 +1799,22 @@ e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter, /** * e1000_clean_tx_ring - Free Tx Buffers * @adapter: board private structure + * @tx_ring: ring to be cleaned **/ static void -e1000_clean_tx_ring(struct e1000_adapter *adapter) +e1000_clean_tx_ring(struct e1000_adapter *adapter, + struct e1000_tx_ring *tx_ring) { - struct e1000_desc_ring *tx_ring = &adapter->tx_ring; struct e1000_buffer *buffer_info; unsigned long size; unsigned int i; /* Free all the Tx ring sk_buffs */ - if (likely(adapter->previous_buffer_info.skb != NULL)) { + if (likely(tx_ring->previous_buffer_info.skb != NULL)) { e1000_unmap_and_free_tx_resource(adapter, - &adapter->previous_buffer_info); + &tx_ring->previous_buffer_info); } for(i = 0; i < tx_ring->count; i++) { @@ -1446,24 +1832,39 @@ e1000_clean_tx_ring(struct e1000_adapter *adapter) tx_ring->next_to_use = 0; tx_ring->next_to_clean = 0; - E1000_WRITE_REG(&adapter->hw, TDH, 0); - E1000_WRITE_REG(&adapter->hw, TDT, 0); + writel(0, adapter->hw.hw_addr + tx_ring->tdh); + writel(0, adapter->hw.hw_addr + tx_ring->tdt); +} + +/** + * e1000_clean_all_tx_rings - Free Tx Buffers for all queues + * @adapter: board private structure + **/ + +static void +e1000_clean_all_tx_rings(struct e1000_adapter *adapter) +{ + int i; + + for (i = 0; i < adapter->num_queues; i++) + e1000_clean_tx_ring(adapter, &adapter->tx_ring[i]); } /** * e1000_free_rx_resources - Free Rx Resources * @adapter: board private structure + * @rx_ring: ring to clean the resources from * * Free all receive software resources **/ void -e1000_free_rx_resources(struct e1000_adapter *adapter) +e1000_free_rx_resources(struct e1000_adapter *adapter, + struct e1000_rx_ring *rx_ring) { - struct e1000_desc_ring *rx_ring = &adapter->rx_ring; struct pci_dev *pdev = adapter->pdev; - e1000_clean_rx_ring(adapter); + e1000_clean_rx_ring(adapter, rx_ring); vfree(rx_ring->buffer_info); rx_ring->buffer_info = NULL; @@ -1478,14 +1879,31 @@ e1000_free_rx_resources(struct e1000_adapter *adapter) } /** - * e1000_clean_rx_ring - Free Rx Buffers + * e1000_free_all_rx_resources - Free Rx Resources for All Queues + * @adapter: board private structure + * + * Free all receive software resources + **/ + +void +e1000_free_all_rx_resources(struct e1000_adapter *adapter) +{ + int i; + + for (i = 0; i < adapter->num_queues; i++) + e1000_free_rx_resources(adapter, &adapter->rx_ring[i]); +} + +/** + * e1000_clean_rx_ring - Free Rx Buffers per Queue * @adapter: board private structure + * @rx_ring: ring to free buffers from **/ static void -e1000_clean_rx_ring(struct e1000_adapter *adapter) +e1000_clean_rx_ring(struct e1000_adapter *adapter, + struct e1000_rx_ring *rx_ring) { - struct e1000_desc_ring *rx_ring = &adapter->rx_ring; struct e1000_buffer *buffer_info; struct e1000_ps_page *ps_page; struct e1000_ps_page_dma *ps_page_dma; @@ -1508,7 +1926,7 @@ e1000_clean_rx_ring(struct e1000_adapter *adapter) dev_kfree_skb(buffer_info->skb); buffer_info->skb = NULL; - for(j = 0; j < PS_PAGE_BUFFERS; j++) { + for(j = 0; j < adapter->rx_ps_pages; j++) { if(!ps_page->ps_page[j]) break; pci_unmap_single(pdev, ps_page_dma->ps_page_dma[j], @@ -1534,8 +1952,22 @@ e1000_clean_rx_ring(struct e1000_adapter *adapter) rx_ring->next_to_clean = 0; rx_ring->next_to_use = 0; - E1000_WRITE_REG(&adapter->hw, RDH, 0); - E1000_WRITE_REG(&adapter->hw, RDT, 0); + writel(0, adapter->hw.hw_addr + rx_ring->rdh); + writel(0, adapter->hw.hw_addr + rx_ring->rdt); +} + +/** + * e1000_clean_all_rx_rings - Free Rx Buffers for all queues + * @adapter: board private structure + **/ + +static void +e1000_clean_all_rx_rings(struct e1000_adapter *adapter) +{ + int i; + + for (i = 0; i < adapter->num_queues; i++) + e1000_clean_rx_ring(adapter, &adapter->rx_ring[i]); } /* The 82542 2.0 (revision 2) needs to have the receive unit in reset @@ -1556,7 +1988,7 @@ e1000_enter_82542_rst(struct e1000_adapter *adapter) mdelay(5); if(netif_running(netdev)) - e1000_clean_rx_ring(adapter); + e1000_clean_all_rx_rings(adapter); } static void @@ -1576,7 +2008,7 @@ e1000_leave_82542_rst(struct e1000_adapter *adapter) if(netif_running(netdev)) { e1000_configure_rx(adapter); - e1000_alloc_rx_buffers(adapter); + e1000_alloc_rx_buffers(adapter, &adapter->rx_ring[0]); } } @@ -1607,6 +2039,22 @@ e1000_set_mac(struct net_device *netdev, void *p) e1000_rar_set(&adapter->hw, adapter->hw.mac_addr, 0); + /* With 82571 controllers, LAA may be overwritten (with the default) + * due to controller reset from the other port. */ + if (adapter->hw.mac_type == e1000_82571) { + /* activate the work around */ + adapter->hw.laa_is_present = 1; + + /* Hold a copy of the LAA in RAR[14] This is done so that + * between the time RAR[0] gets clobbered and the time it + * gets fixed (in e1000_watchdog), the actual LAA is in one + * of the RARs and no incoming packets directed to this port + * are dropped. Eventaully the LAA will be in RAR[0] and + * RAR[14] */ + e1000_rar_set(&adapter->hw, adapter->hw.mac_addr, + E1000_RAR_ENTRIES - 1); + } + if(adapter->hw.mac_type == e1000_82542_rev2_0) e1000_leave_82542_rst(adapter); @@ -1629,12 +2077,13 @@ e1000_set_multi(struct net_device *netdev) struct e1000_adapter *adapter = netdev_priv(netdev); struct e1000_hw *hw = &adapter->hw; struct dev_mc_list *mc_ptr; - unsigned long flags; uint32_t rctl; uint32_t hash_value; - int i; + int i, rar_entries = E1000_RAR_ENTRIES; - spin_lock_irqsave(&adapter->tx_lock, flags); + /* reserve RAR[14] for LAA over-write work-around */ + if (adapter->hw.mac_type == e1000_82571) + rar_entries--; /* Check for Promiscuous and All Multicast modes */ @@ -1659,11 +2108,12 @@ e1000_set_multi(struct net_device *netdev) /* load the first 14 multicast address into the exact filters 1-14 * RAR 0 is used for the station MAC adddress * if there are not 14 addresses, go ahead and clear the filters + * -- with 82571 controllers only 0-13 entries are filled here */ mc_ptr = netdev->mc_list; - for(i = 1; i < E1000_RAR_ENTRIES; i++) { - if(mc_ptr) { + for(i = 1; i < rar_entries; i++) { + if (mc_ptr) { e1000_rar_set(hw, mc_ptr->dmi_addr, i); mc_ptr = mc_ptr->next; } else { @@ -1686,8 +2136,6 @@ e1000_set_multi(struct net_device *netdev) if(hw->mac_type == e1000_82542_rev2_0) e1000_leave_82542_rst(adapter); - - spin_unlock_irqrestore(&adapter->tx_lock, flags); } /* Need to wait a few seconds after link up to get diagnostic information from @@ -1759,7 +2207,7 @@ static void e1000_watchdog_task(struct e1000_adapter *adapter) { struct net_device *netdev = adapter->netdev; - struct e1000_desc_ring *txdr = &adapter->tx_ring; + struct e1000_tx_ring *txdr = &adapter->tx_ring[0]; uint32_t link; e1000_check_for_link(&adapter->hw); @@ -1818,8 +2266,8 @@ e1000_watchdog_task(struct e1000_adapter *adapter) e1000_update_adaptive(&adapter->hw); - if(!netif_carrier_ok(netdev)) { - if(E1000_DESC_UNUSED(txdr) + 1 < txdr->count) { + if (adapter->num_queues == 1 && !netif_carrier_ok(netdev)) { + if (E1000_DESC_UNUSED(txdr) + 1 < txdr->count) { /* We've lost link, so the controller stops DMA, * but we've got queued Tx work that's never going * to get done, so reset controller to flush Tx. @@ -1847,6 +2295,11 @@ e1000_watchdog_task(struct e1000_adapter *adapter) /* Force detection of hung controller every watchdog period */ adapter->detect_tx_hung = TRUE; + /* With 82571 controllers, LAA may be overwritten due to controller + * reset from the other port. Set the appropriate LAA in RAR[0] */ + if (adapter->hw.mac_type == e1000_82571 && adapter->hw.laa_is_present) + e1000_rar_set(&adapter->hw, adapter->hw.mac_addr, 0); + /* Reset the timer */ mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ); } @@ -1859,7 +2312,8 @@ e1000_watchdog_task(struct e1000_adapter *adapter) #define E1000_TX_FLAGS_VLAN_SHIFT 16 static inline int -e1000_tso(struct e1000_adapter *adapter, struct sk_buff *skb) +e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, + struct sk_buff *skb) { #ifdef NETIF_F_TSO struct e1000_context_desc *context_desc; @@ -1910,8 +2364,8 @@ e1000_tso(struct e1000_adapter *adapter, struct sk_buff *skb) cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE | E1000_TXD_CMD_TCP | (skb->len - (hdr_len))); - i = adapter->tx_ring.next_to_use; - context_desc = E1000_CONTEXT_DESC(adapter->tx_ring, i); + i = tx_ring->next_to_use; + context_desc = E1000_CONTEXT_DESC(*tx_ring, i); context_desc->lower_setup.ip_fields.ipcss = ipcss; context_desc->lower_setup.ip_fields.ipcso = ipcso; @@ -1923,8 +2377,8 @@ e1000_tso(struct e1000_adapter *adapter, struct sk_buff *skb) context_desc->tcp_seg_setup.fields.hdr_len = hdr_len; context_desc->cmd_and_length = cpu_to_le32(cmd_length); - if(++i == adapter->tx_ring.count) i = 0; - adapter->tx_ring.next_to_use = i; + if (++i == tx_ring->count) i = 0; + tx_ring->next_to_use = i; return 1; } @@ -1934,7 +2388,8 @@ e1000_tso(struct e1000_adapter *adapter, struct sk_buff *skb) } static inline boolean_t -e1000_tx_csum(struct e1000_adapter *adapter, struct sk_buff *skb) +e1000_tx_csum(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, + struct sk_buff *skb) { struct e1000_context_desc *context_desc; unsigned int i; @@ -1943,8 +2398,8 @@ e1000_tx_csum(struct e1000_adapter *adapter, struct sk_buff *skb) if(likely(skb->ip_summed == CHECKSUM_HW)) { css = skb->h.raw - skb->data; - i = adapter->tx_ring.next_to_use; - context_desc = E1000_CONTEXT_DESC(adapter->tx_ring, i); + i = tx_ring->next_to_use; + context_desc = E1000_CONTEXT_DESC(*tx_ring, i); context_desc->upper_setup.tcp_fields.tucss = css; context_desc->upper_setup.tcp_fields.tucso = css + skb->csum; @@ -1952,8 +2407,8 @@ e1000_tx_csum(struct e1000_adapter *adapter, struct sk_buff *skb) context_desc->tcp_seg_setup.data = 0; context_desc->cmd_and_length = cpu_to_le32(E1000_TXD_CMD_DEXT); - if(unlikely(++i == adapter->tx_ring.count)) i = 0; - adapter->tx_ring.next_to_use = i; + if (unlikely(++i == tx_ring->count)) i = 0; + tx_ring->next_to_use = i; return TRUE; } @@ -1965,11 +2420,10 @@ e1000_tx_csum(struct e1000_adapter *adapter, struct sk_buff *skb) #define E1000_MAX_DATA_PER_TXD (1<<E1000_MAX_TXD_PWR) static inline int -e1000_tx_map(struct e1000_adapter *adapter, struct sk_buff *skb, - unsigned int first, unsigned int max_per_txd, - unsigned int nr_frags, unsigned int mss) +e1000_tx_map(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, + struct sk_buff *skb, unsigned int first, unsigned int max_per_txd, + unsigned int nr_frags, unsigned int mss) { - struct e1000_desc_ring *tx_ring = &adapter->tx_ring; struct e1000_buffer *buffer_info; unsigned int len = skb->len; unsigned int offset = 0, size, count = 0, i; @@ -2065,9 +2519,9 @@ e1000_tx_map(struct e1000_adapter *adapter, struct sk_buff *skb, } static inline void -e1000_tx_queue(struct e1000_adapter *adapter, int count, int tx_flags) +e1000_tx_queue(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, + int tx_flags, int count) { - struct e1000_desc_ring *tx_ring = &adapter->tx_ring; struct e1000_tx_desc *tx_desc = NULL; struct e1000_buffer *buffer_info; uint32_t txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS; @@ -2113,7 +2567,7 @@ e1000_tx_queue(struct e1000_adapter *adapter, int count, int tx_flags) wmb(); tx_ring->next_to_use = i; - E1000_WRITE_REG(&adapter->hw, TDT, i); + writel(i, adapter->hw.hw_addr + tx_ring->tdt); } /** @@ -2206,6 +2660,7 @@ static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev) { struct e1000_adapter *adapter = netdev_priv(netdev); + struct e1000_tx_ring *tx_ring; unsigned int first, max_per_txd = E1000_MAX_DATA_PER_TXD; unsigned int max_txd_pwr = E1000_MAX_TXD_PWR; unsigned int tx_flags = 0; @@ -2218,7 +2673,13 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev) unsigned int f; len -= skb->data_len; - if(unlikely(skb->len <= 0)) { +#ifdef CONFIG_E1000_MQ + tx_ring = *per_cpu_ptr(adapter->cpu_tx_ring, smp_processor_id()); +#else + tx_ring = adapter->tx_ring; +#endif + + if (unlikely(skb->len <= 0)) { dev_kfree_skb_any(skb); return NETDEV_TX_OK; } @@ -2262,21 +2723,42 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev) if(adapter->pcix_82544) count += nr_frags; - local_irq_save(flags); - if (!spin_trylock(&adapter->tx_lock)) { - /* Collision - tell upper layer to requeue */ - local_irq_restore(flags); - return NETDEV_TX_LOCKED; - } +#ifdef NETIF_F_TSO + /* TSO Workaround for 82571/2 Controllers -- if skb->data + * points to just header, pull a few bytes of payload from + * frags into skb->data */ + if (skb_shinfo(skb)->tso_size) { + uint8_t hdr_len; + hdr_len = ((skb->h.raw - skb->data) + (skb->h.th->doff << 2)); + if (skb->data_len && (hdr_len < (skb->len - skb->data_len)) && + (adapter->hw.mac_type == e1000_82571 || + adapter->hw.mac_type == e1000_82572)) { + unsigned int pull_size; + pull_size = min((unsigned int)4, skb->data_len); + if (!__pskb_pull_tail(skb, pull_size)) { + printk(KERN_ERR "__pskb_pull_tail failed.\n"); + dev_kfree_skb_any(skb); + return -EFAULT; + } + } + } +#endif + if(adapter->hw.tx_pkt_filtering && (adapter->hw.mac_type == e1000_82573) ) e1000_transfer_dhcp_info(adapter, skb); + local_irq_save(flags); + if (!spin_trylock(&tx_ring->tx_lock)) { + /* Collision - tell upper layer to requeue */ + local_irq_restore(flags); + return NETDEV_TX_LOCKED; + } /* need: count + 2 desc gap to keep tail from touching * head, otherwise try next time */ - if(unlikely(E1000_DESC_UNUSED(&adapter->tx_ring) < count + 2)) { + if (unlikely(E1000_DESC_UNUSED(tx_ring) < count + 2)) { netif_stop_queue(netdev); - spin_unlock_irqrestore(&adapter->tx_lock, flags); + spin_unlock_irqrestore(&tx_ring->tx_lock, flags); return NETDEV_TX_BUSY; } @@ -2284,7 +2766,7 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev) if(unlikely(e1000_82547_fifo_workaround(adapter, skb))) { netif_stop_queue(netdev); mod_timer(&adapter->tx_fifo_stall_timer, jiffies); - spin_unlock_irqrestore(&adapter->tx_lock, flags); + spin_unlock_irqrestore(&tx_ring->tx_lock, flags); return NETDEV_TX_BUSY; } } @@ -2294,37 +2776,37 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev) tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT); } - first = adapter->tx_ring.next_to_use; + first = tx_ring->next_to_use; - tso = e1000_tso(adapter, skb); + tso = e1000_tso(adapter, tx_ring, skb); if (tso < 0) { dev_kfree_skb_any(skb); - spin_unlock_irqrestore(&adapter->tx_lock, flags); + spin_unlock_irqrestore(&tx_ring->tx_lock, flags); return NETDEV_TX_OK; } if (likely(tso)) tx_flags |= E1000_TX_FLAGS_TSO; - else if(likely(e1000_tx_csum(adapter, skb))) + else if (likely(e1000_tx_csum(adapter, tx_ring, skb))) tx_flags |= E1000_TX_FLAGS_CSUM; /* Old method was to assume IPv4 packet by default if TSO was enabled. - * 82573 hardware supports TSO capabilities for IPv6 as well... + * 82571 hardware supports TSO capabilities for IPv6 as well... * no longer assume, we must. */ - if(likely(skb->protocol == ntohs(ETH_P_IP))) + if (likely(skb->protocol == ntohs(ETH_P_IP))) tx_flags |= E1000_TX_FLAGS_IPV4; - e1000_tx_queue(adapter, - e1000_tx_map(adapter, skb, first, max_per_txd, nr_frags, mss), - tx_flags); + e1000_tx_queue(adapter, tx_ring, tx_flags, + e1000_tx_map(adapter, tx_ring, skb, first, + max_per_txd, nr_frags, mss)); netdev->trans_start = jiffies; /* Make sure there is space in the ring for the next send. */ - if(unlikely(E1000_DESC_UNUSED(&adapter->tx_ring) < MAX_SKB_FRAGS + 2)) + if (unlikely(E1000_DESC_UNUSED(tx_ring) < MAX_SKB_FRAGS + 2)) netif_stop_queue(netdev); - spin_unlock_irqrestore(&adapter->tx_lock, flags); + spin_unlock_irqrestore(&tx_ring->tx_lock, flags); return NETDEV_TX_OK; } @@ -2388,9 +2870,18 @@ e1000_change_mtu(struct net_device *netdev, int new_mtu) return -EINVAL; } -#define MAX_STD_JUMBO_FRAME_SIZE 9216 +#define MAX_STD_JUMBO_FRAME_SIZE 9234 /* might want this to be bigger enum check... */ - if (adapter->hw.mac_type == e1000_82573 && + /* 82571 controllers limit jumbo frame size to 10500 bytes */ + if ((adapter->hw.mac_type == e1000_82571 || + adapter->hw.mac_type == e1000_82572) && + max_frame > MAX_STD_JUMBO_FRAME_SIZE) { + DPRINTK(PROBE, ERR, "MTU > 9216 bytes not supported " + "on 82571 and 82572 controllers.\n"); + return -EINVAL; + } + + if(adapter->hw.mac_type == e1000_82573 && max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) { DPRINTK(PROBE, ERR, "Jumbo Frames not supported " "on 82573\n"); @@ -2578,6 +3069,29 @@ e1000_update_stats(struct e1000_adapter *adapter) spin_unlock_irqrestore(&adapter->stats_lock, flags); } +#ifdef CONFIG_E1000_MQ +void +e1000_rx_schedule(void *data) +{ + struct net_device *poll_dev, *netdev = data; + struct e1000_adapter *adapter = netdev->priv; + int this_cpu = get_cpu(); + + poll_dev = *per_cpu_ptr(adapter->cpu_netdev, this_cpu); + if (poll_dev == NULL) { + put_cpu(); + return; + } + + if (likely(netif_rx_schedule_prep(poll_dev))) + __netif_rx_schedule(poll_dev); + else + e1000_irq_enable(adapter); + + put_cpu(); +} +#endif + /** * e1000_intr - Interrupt Handler * @irq: interrupt number @@ -2592,8 +3106,8 @@ e1000_intr(int irq, void *data, struct pt_regs *regs) struct e1000_adapter *adapter = netdev_priv(netdev); struct e1000_hw *hw = &adapter->hw; uint32_t icr = E1000_READ_REG(hw, ICR); -#ifndef CONFIG_E1000_NAPI - unsigned int i; +#if defined(CONFIG_E1000_NAPI) && defined(CONFIG_E1000_MQ) || !defined(CONFIG_E1000_NAPI) + int i; #endif if(unlikely(!icr)) @@ -2605,17 +3119,31 @@ e1000_intr(int irq, void *data, struct pt_regs *regs) } #ifdef CONFIG_E1000_NAPI - if(likely(netif_rx_schedule_prep(netdev))) { - - /* Disable interrupts and register for poll. The flush - of the posted write is intentionally left out. - */ - - atomic_inc(&adapter->irq_sem); - E1000_WRITE_REG(hw, IMC, ~0); - __netif_rx_schedule(netdev); + atomic_inc(&adapter->irq_sem); + E1000_WRITE_REG(hw, IMC, ~0); + E1000_WRITE_FLUSH(hw); +#ifdef CONFIG_E1000_MQ + if (atomic_read(&adapter->rx_sched_call_data.count) == 0) { + cpu_set(adapter->cpu_for_queue[0], + adapter->rx_sched_call_data.cpumask); + for (i = 1; i < adapter->num_queues; i++) { + cpu_set(adapter->cpu_for_queue[i], + adapter->rx_sched_call_data.cpumask); + atomic_inc(&adapter->irq_sem); + } + atomic_set(&adapter->rx_sched_call_data.count, i); + smp_call_async_mask(&adapter->rx_sched_call_data); + } else { + printk("call_data.count == %u\n", atomic_read(&adapter->rx_sched_call_data.count)); } -#else +#else /* if !CONFIG_E1000_MQ */ + if (likely(netif_rx_schedule_prep(&adapter->polling_netdev[0]))) + __netif_rx_schedule(&adapter->polling_netdev[0]); + else + e1000_irq_enable(adapter); +#endif /* CONFIG_E1000_MQ */ + +#else /* if !CONFIG_E1000_NAPI */ /* Writing IMC and IMS is needed for 82547. Due to Hub Link bus being occupied, an interrupt de-assertion message is not able to be sent. @@ -2632,13 +3160,14 @@ e1000_intr(int irq, void *data, struct pt_regs *regs) } for(i = 0; i < E1000_MAX_INTR; i++) - if(unlikely(!adapter->clean_rx(adapter) & - !e1000_clean_tx_irq(adapter))) + if(unlikely(!adapter->clean_rx(adapter, adapter->rx_ring) & + !e1000_clean_tx_irq(adapter, adapter->tx_ring))) break; if(hw->mac_type == e1000_82547 || hw->mac_type == e1000_82547_rev_2) e1000_irq_enable(adapter); -#endif + +#endif /* CONFIG_E1000_NAPI */ return IRQ_HANDLED; } @@ -2650,22 +3179,37 @@ e1000_intr(int irq, void *data, struct pt_regs *regs) **/ static int -e1000_clean(struct net_device *netdev, int *budget) +e1000_clean(struct net_device *poll_dev, int *budget) { - struct e1000_adapter *adapter = netdev_priv(netdev); - int work_to_do = min(*budget, netdev->quota); - int tx_cleaned; - int work_done = 0; + struct e1000_adapter *adapter; + int work_to_do = min(*budget, poll_dev->quota); + int tx_cleaned, i = 0, work_done = 0; + + /* Must NOT use netdev_priv macro here. */ + adapter = poll_dev->priv; - tx_cleaned = e1000_clean_tx_irq(adapter); - adapter->clean_rx(adapter, &work_done, work_to_do); + /* Keep link state information with original netdev */ + if (!netif_carrier_ok(adapter->netdev)) + goto quit_polling; + + while (poll_dev != &adapter->polling_netdev[i]) { + i++; + if (unlikely(i == adapter->num_queues)) + BUG(); + } + + tx_cleaned = e1000_clean_tx_irq(adapter, &adapter->tx_ring[i]); + adapter->clean_rx(adapter, &adapter->rx_ring[i], + &work_done, work_to_do); *budget -= work_done; - netdev->quota -= work_done; + poll_dev->quota -= work_done; - if ((!tx_cleaned && (work_done == 0)) || !netif_running(netdev)) { /* If no Tx and not enough Rx work done, exit the polling mode */ - netif_rx_complete(netdev); + if((!tx_cleaned && (work_done == 0)) || + !netif_running(adapter->netdev)) { +quit_polling: + netif_rx_complete(poll_dev); e1000_irq_enable(adapter); return 0; } @@ -2680,9 +3224,9 @@ e1000_clean(struct net_device *netdev, int *budget) **/ static boolean_t -e1000_clean_tx_irq(struct e1000_adapter *adapter) +e1000_clean_tx_irq(struct e1000_adapter *adapter, + struct e1000_tx_ring *tx_ring) { - struct e1000_desc_ring *tx_ring = &adapter->tx_ring; struct net_device *netdev = adapter->netdev; struct e1000_tx_desc *tx_desc, *eop_desc; struct e1000_buffer *buffer_info; @@ -2693,12 +3237,12 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter) eop = tx_ring->buffer_info[i].next_to_watch; eop_desc = E1000_TX_DESC(*tx_ring, eop); - while(eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) { + while (eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) { /* Premature writeback of Tx descriptors clear (free buffers * and unmap pci_mapping) previous_buffer_info */ - if (likely(adapter->previous_buffer_info.skb != NULL)) { + if (likely(tx_ring->previous_buffer_info.skb != NULL)) { e1000_unmap_and_free_tx_resource(adapter, - &adapter->previous_buffer_info); + &tx_ring->previous_buffer_info); } for(cleaned = FALSE; !cleaned; ) { @@ -2714,7 +3258,7 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter) #ifdef NETIF_F_TSO } else { if (cleaned) { - memcpy(&adapter->previous_buffer_info, + memcpy(&tx_ring->previous_buffer_info, buffer_info, sizeof(struct e1000_buffer)); memset(buffer_info, 0, @@ -2732,6 +3276,8 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter) if(unlikely(++i == tx_ring->count)) i = 0; } + + tx_ring->pkt++; eop = tx_ring->buffer_info[i].next_to_watch; eop_desc = E1000_TX_DESC(*tx_ring, eop); @@ -2739,15 +3285,15 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter) tx_ring->next_to_clean = i; - spin_lock(&adapter->tx_lock); + spin_lock(&tx_ring->tx_lock); if(unlikely(cleaned && netif_queue_stopped(netdev) && netif_carrier_ok(netdev))) netif_wake_queue(netdev); - spin_unlock(&adapter->tx_lock); - if(adapter->detect_tx_hung) { + spin_unlock(&tx_ring->tx_lock); + if (adapter->detect_tx_hung) { /* Detect a transmit hang in hardware, this serializes the * check with the clearing of time_stamp and movement of i */ adapter->detect_tx_hung = FALSE; @@ -2771,8 +3317,8 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter) " next_to_watch <%x>\n" " jiffies <%lx>\n" " next_to_watch.status <%x>\n", - E1000_READ_REG(&adapter->hw, TDH), - E1000_READ_REG(&adapter->hw, TDT), + readl(adapter->hw.hw_addr + tx_ring->tdh), + readl(adapter->hw.hw_addr + tx_ring->tdt), tx_ring->next_to_use, i, (unsigned long long)tx_ring->buffer_info[i].dma, @@ -2784,12 +3330,10 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter) } } #ifdef NETIF_F_TSO - - if( unlikely(!(eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) && - time_after(jiffies, adapter->previous_buffer_info.time_stamp + HZ))) + if (unlikely(!(eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) && + time_after(jiffies, tx_ring->previous_buffer_info.time_stamp + HZ))) e1000_unmap_and_free_tx_resource( - adapter, &adapter->previous_buffer_info); - + adapter, &tx_ring->previous_buffer_info); #endif return cleaned; } @@ -2852,13 +3396,14 @@ e1000_rx_checksum(struct e1000_adapter *adapter, static boolean_t #ifdef CONFIG_E1000_NAPI -e1000_clean_rx_irq(struct e1000_adapter *adapter, int *work_done, - int work_to_do) +e1000_clean_rx_irq(struct e1000_adapter *adapter, + struct e1000_rx_ring *rx_ring, + int *work_done, int work_to_do) #else -e1000_clean_rx_irq(struct e1000_adapter *adapter) +e1000_clean_rx_irq(struct e1000_adapter *adapter, + struct e1000_rx_ring *rx_ring) #endif { - struct e1000_desc_ring *rx_ring = &adapter->rx_ring; struct net_device *netdev = adapter->netdev; struct pci_dev *pdev = adapter->pdev; struct e1000_rx_desc *rx_desc; @@ -2944,6 +3489,7 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter) } #endif /* CONFIG_E1000_NAPI */ netdev->last_rx = jiffies; + rx_ring->pkt++; next_desc: rx_desc->status = 0; @@ -2953,7 +3499,7 @@ next_desc: rx_desc = E1000_RX_DESC(*rx_ring, i); } rx_ring->next_to_clean = i; - adapter->alloc_rx_buf(adapter); + adapter->alloc_rx_buf(adapter, rx_ring); return cleaned; } @@ -2965,13 +3511,14 @@ next_desc: static boolean_t #ifdef CONFIG_E1000_NAPI -e1000_clean_rx_irq_ps(struct e1000_adapter *adapter, int *work_done, - int work_to_do) +e1000_clean_rx_irq_ps(struct e1000_adapter *adapter, + struct e1000_rx_ring *rx_ring, + int *work_done, int work_to_do) #else -e1000_clean_rx_irq_ps(struct e1000_adapter *adapter) +e1000_clean_rx_irq_ps(struct e1000_adapter *adapter, + struct e1000_rx_ring *rx_ring) #endif { - struct e1000_desc_ring *rx_ring = &adapter->rx_ring; union e1000_rx_desc_packet_split *rx_desc; struct net_device *netdev = adapter->netdev; struct pci_dev *pdev = adapter->pdev; @@ -3027,7 +3574,7 @@ e1000_clean_rx_irq_ps(struct e1000_adapter *adapter) /* Good Receive */ skb_put(skb, length); - for(j = 0; j < PS_PAGE_BUFFERS; j++) { + for(j = 0; j < adapter->rx_ps_pages; j++) { if(!(length = le16_to_cpu(rx_desc->wb.upper.length[j]))) break; @@ -3048,11 +3595,13 @@ e1000_clean_rx_irq_ps(struct e1000_adapter *adapter) rx_desc->wb.lower.hi_dword.csum_ip.csum, skb); skb->protocol = eth_type_trans(skb, netdev); -#ifdef HAVE_RX_ZERO_COPY if(likely(rx_desc->wb.upper.header_status & - E1000_RXDPS_HDRSTAT_HDRSP)) + E1000_RXDPS_HDRSTAT_HDRSP)) { + adapter->rx_hdr_split++; +#ifdef HAVE_RX_ZERO_COPY skb_shinfo(skb)->zero_copy = TRUE; #endif + } #ifdef CONFIG_E1000_NAPI if(unlikely(adapter->vlgrp && (staterr & E1000_RXD_STAT_VP))) { vlan_hwaccel_receive_skb(skb, adapter->vlgrp, @@ -3071,6 +3620,7 @@ e1000_clean_rx_irq_ps(struct e1000_adapter *adapter) } #endif /* CONFIG_E1000_NAPI */ netdev->last_rx = jiffies; + rx_ring->pkt++; next_desc: rx_desc->wb.middle.status_error &= ~0xFF; @@ -3081,7 +3631,7 @@ next_desc: staterr = le32_to_cpu(rx_desc->wb.middle.status_error); } rx_ring->next_to_clean = i; - adapter->alloc_rx_buf(adapter); + adapter->alloc_rx_buf(adapter, rx_ring); return cleaned; } @@ -3092,9 +3642,9 @@ next_desc: **/ static void -e1000_alloc_rx_buffers(struct e1000_adapter *adapter) +e1000_alloc_rx_buffers(struct e1000_adapter *adapter, + struct e1000_rx_ring *rx_ring) { - struct e1000_desc_ring *rx_ring = &adapter->rx_ring; struct net_device *netdev = adapter->netdev; struct pci_dev *pdev = adapter->pdev; struct e1000_rx_desc *rx_desc; @@ -3178,7 +3728,7 @@ e1000_alloc_rx_buffers(struct e1000_adapter *adapter) * applicable for weak-ordered memory model archs, * such as IA-64). */ wmb(); - E1000_WRITE_REG(&adapter->hw, RDT, i); + writel(i, adapter->hw.hw_addr + rx_ring->rdt); } if(unlikely(++i == rx_ring->count)) i = 0; @@ -3194,9 +3744,9 @@ e1000_alloc_rx_buffers(struct e1000_adapter *adapter) **/ static void -e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter) +e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter, + struct e1000_rx_ring *rx_ring) { - struct e1000_desc_ring *rx_ring = &adapter->rx_ring; struct net_device *netdev = adapter->netdev; struct pci_dev *pdev = adapter->pdev; union e1000_rx_desc_packet_split *rx_desc; @@ -3215,22 +3765,26 @@ e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter) rx_desc = E1000_RX_DESC_PS(*rx_ring, i); for(j = 0; j < PS_PAGE_BUFFERS; j++) { - if(unlikely(!ps_page->ps_page[j])) { - ps_page->ps_page[j] = - alloc_page(GFP_ATOMIC); - if(unlikely(!ps_page->ps_page[j])) - goto no_buffers; - ps_page_dma->ps_page_dma[j] = - pci_map_page(pdev, - ps_page->ps_page[j], - 0, PAGE_SIZE, - PCI_DMA_FROMDEVICE); - } - /* Refresh the desc even if buffer_addrs didn't - * change because each write-back erases this info. - */ - rx_desc->read.buffer_addr[j+1] = - cpu_to_le64(ps_page_dma->ps_page_dma[j]); + if (j < adapter->rx_ps_pages) { + if (likely(!ps_page->ps_page[j])) { + ps_page->ps_page[j] = + alloc_page(GFP_ATOMIC); + if (unlikely(!ps_page->ps_page[j])) + goto no_buffers; + ps_page_dma->ps_page_dma[j] = + pci_map_page(pdev, + ps_page->ps_page[j], + 0, PAGE_SIZE, + PCI_DMA_FROMDEVICE); + } + /* Refresh the desc even if buffer_addrs didn't + * change because each write-back erases + * this info. + */ + rx_desc->read.buffer_addr[j+1] = + cpu_to_le64(ps_page_dma->ps_page_dma[j]); + } else + rx_desc->read.buffer_addr[j+1] = ~0; } skb = dev_alloc_skb(adapter->rx_ps_bsize0 + NET_IP_ALIGN); @@ -3264,7 +3818,7 @@ e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter) * descriptors are 32 bytes...so we increment tail * twice as much. */ - E1000_WRITE_REG(&adapter->hw, RDT, i<<1); + writel(i<<1, adapter->hw.hw_addr + rx_ring->rdt); } if(unlikely(++i == rx_ring->count)) i = 0; @@ -3640,6 +4194,7 @@ e1000_set_spd_dplx(struct e1000_adapter *adapter, uint16_t spddplx) return 0; } +#ifdef CONFIG_PM static int e1000_suspend(struct pci_dev *pdev, pm_message_t state) { @@ -3715,6 +4270,12 @@ e1000_suspend(struct pci_dev *pdev, pm_message_t state) } switch(adapter->hw.mac_type) { + case e1000_82571: + case e1000_82572: + ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT); + E1000_WRITE_REG(&adapter->hw, CTRL_EXT, + ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD); + break; case e1000_82573: swsm = E1000_READ_REG(&adapter->hw, SWSM); E1000_WRITE_REG(&adapter->hw, SWSM, @@ -3730,13 +4291,13 @@ e1000_suspend(struct pci_dev *pdev, pm_message_t state) return 0; } -#ifdef CONFIG_PM static int e1000_resume(struct pci_dev *pdev) { struct net_device *netdev = pci_get_drvdata(pdev); struct e1000_adapter *adapter = netdev_priv(netdev); uint32_t manc, ret_val, swsm; + uint32_t ctrl_ext; pci_set_power_state(pdev, PCI_D0); pci_restore_state(pdev); @@ -3762,6 +4323,12 @@ e1000_resume(struct pci_dev *pdev) } switch(adapter->hw.mac_type) { + case e1000_82571: + case e1000_82572: + ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT); + E1000_WRITE_REG(&adapter->hw, CTRL_EXT, + ctrl_ext | E1000_CTRL_EXT_DRV_LOAD); + break; case e1000_82573: swsm = E1000_READ_REG(&adapter->hw, SWSM); E1000_WRITE_REG(&adapter->hw, SWSM, @@ -3786,7 +4353,7 @@ e1000_netpoll(struct net_device *netdev) struct e1000_adapter *adapter = netdev_priv(netdev); disable_irq(adapter->pdev->irq); e1000_intr(adapter->pdev->irq, netdev, NULL); - e1000_clean_tx_irq(adapter); + e1000_clean_tx_irq(adapter, adapter->tx_ring); enable_irq(adapter->pdev->irq); } #endif diff --git a/drivers/net/e1000/e1000_param.c b/drivers/net/e1000/e1000_param.c index 676247f9f1cc..38695d5b4637 100644 --- a/drivers/net/e1000/e1000_param.c +++ b/drivers/net/e1000/e1000_param.c @@ -306,7 +306,8 @@ e1000_check_options(struct e1000_adapter *adapter) .def = E1000_DEFAULT_TXD, .arg = { .r = { .min = E1000_MIN_TXD }} }; - struct e1000_desc_ring *tx_ring = &adapter->tx_ring; + struct e1000_tx_ring *tx_ring = adapter->tx_ring; + int i; e1000_mac_type mac_type = adapter->hw.mac_type; opt.arg.r.max = mac_type < e1000_82544 ? E1000_MAX_TXD : E1000_MAX_82544_TXD; @@ -319,6 +320,8 @@ e1000_check_options(struct e1000_adapter *adapter) } else { tx_ring->count = opt.def; } + for (i = 0; i < adapter->num_queues; i++) + tx_ring[i].count = tx_ring->count; } { /* Receive Descriptor Count */ struct e1000_option opt = { @@ -329,7 +332,8 @@ e1000_check_options(struct e1000_adapter *adapter) .def = E1000_DEFAULT_RXD, .arg = { .r = { .min = E1000_MIN_RXD }} }; - struct e1000_desc_ring *rx_ring = &adapter->rx_ring; + struct e1000_rx_ring *rx_ring = adapter->rx_ring; + int i; e1000_mac_type mac_type = adapter->hw.mac_type; opt.arg.r.max = mac_type < e1000_82544 ? E1000_MAX_RXD : E1000_MAX_82544_RXD; @@ -342,6 +346,8 @@ e1000_check_options(struct e1000_adapter *adapter) } else { rx_ring->count = opt.def; } + for (i = 0; i < adapter->num_queues; i++) + rx_ring[i].count = rx_ring->count; } { /* Checksum Offload Enable/Disable */ struct e1000_option opt = { diff --git a/drivers/net/eepro.c b/drivers/net/eepro.c index dcb3028bb60f..a806dfe54d23 100644 --- a/drivers/net/eepro.c +++ b/drivers/net/eepro.c @@ -552,8 +552,7 @@ static int __init do_eepro_probe(struct net_device *dev) { unsigned short int WS[32]=WakeupSeq; - if (check_region(WakeupPort, 2)==0) { - + if (request_region(WakeupPort, 2, "eepro wakeup")) { if (net_debug>5) printk(KERN_DEBUG "Waking UP\n"); @@ -563,7 +562,10 @@ static int __init do_eepro_probe(struct net_device *dev) outb_p(WS[i],WakeupPort); if (net_debug>5) printk(KERN_DEBUG ": %#x ",WS[i]); } - } else printk(KERN_WARNING "Checkregion Failed!\n"); + + release_region(WakeupPort, 2); + } else + printk(KERN_WARNING "PnP wakeup region busy!\n"); } #endif @@ -705,7 +707,7 @@ static void __init eepro_print_info (struct net_device *dev) dev->name, (unsigned)dev->base_addr); break; case LAN595FX: - printk("%s: Intel EtherExpress Pro/10+ ISA\n at %#x,", + printk("%s: Intel EtherExpress Pro/10+ ISA\n at %#x,", dev->name, (unsigned)dev->base_addr); break; case LAN595TX: @@ -713,7 +715,7 @@ static void __init eepro_print_info (struct net_device *dev) dev->name, (unsigned)dev->base_addr); break; case LAN595: - printk("%s: Intel 82595-based lan card at %#x,", + printk("%s: Intel 82595-based lan card at %#x,", dev->name, (unsigned)dev->base_addr); } @@ -726,7 +728,7 @@ static void __init eepro_print_info (struct net_device *dev) if (dev->irq > 2) printk(", IRQ %d, %s.\n", dev->irq, ifmap[dev->if_port]); - else + else printk(", %s.\n", ifmap[dev->if_port]); if (net_debug > 3) { @@ -756,7 +758,7 @@ static int __init eepro_probe1(struct net_device *dev, int autoprobe) int err; /* Grab the region so we can find another board if autoIRQ fails. */ - if (!request_region(ioaddr, EEPRO_IO_EXTENT, DRV_NAME)) { + if (!request_region(ioaddr, EEPRO_IO_EXTENT, DRV_NAME)) { if (!autoprobe) printk(KERN_WARNING "EEPRO: io-port 0x%04x in use \n", ioaddr); @@ -838,15 +840,15 @@ static int __init eepro_probe1(struct net_device *dev, int autoprobe) /* Mask off INT number */ int count = lp->word[1] & 7; unsigned irqMask = lp->word[7]; - + while (count--) irqMask &= irqMask - 1; - + count = ffs(irqMask); - + if (count) dev->irq = count - 1; - + if (dev->irq < 2) { printk(KERN_ERR " Duh! illegal interrupt vector stored in EEPROM.\n"); goto exit; @@ -854,7 +856,7 @@ static int __init eepro_probe1(struct net_device *dev, int autoprobe) dev->irq = 9; } } - + dev->open = eepro_open; dev->stop = eepro_close; dev->hard_start_xmit = eepro_send_packet; @@ -863,7 +865,7 @@ static int __init eepro_probe1(struct net_device *dev, int autoprobe) dev->tx_timeout = eepro_tx_timeout; dev->watchdog_timeo = TX_TIMEOUT; dev->ethtool_ops = &eepro_ethtool_ops; - + /* print boot time info */ eepro_print_info(dev); @@ -1047,8 +1049,8 @@ static int eepro_open(struct net_device *dev) /* Initialize the RCV and XMT upper and lower limits */ - outb(lp->rcv_lower_limit >> 8, ioaddr + RCV_LOWER_LIMIT_REG); - outb(lp->rcv_upper_limit >> 8, ioaddr + RCV_UPPER_LIMIT_REG); + outb(lp->rcv_lower_limit >> 8, ioaddr + RCV_LOWER_LIMIT_REG); + outb(lp->rcv_upper_limit >> 8, ioaddr + RCV_UPPER_LIMIT_REG); outb(lp->xmt_lower_limit >> 8, ioaddr + lp->xmt_lower_limit_reg); outb(lp->xmt_upper_limit >> 8, ioaddr + lp->xmt_upper_limit_reg); @@ -1065,12 +1067,12 @@ static int eepro_open(struct net_device *dev) eepro_clear_int(ioaddr); /* Initialize RCV */ - outw(lp->rcv_lower_limit, ioaddr + RCV_BAR); + outw(lp->rcv_lower_limit, ioaddr + RCV_BAR); lp->rx_start = lp->rcv_lower_limit; - outw(lp->rcv_upper_limit | 0xfe, ioaddr + RCV_STOP); + outw(lp->rcv_upper_limit | 0xfe, ioaddr + RCV_STOP); /* Initialize XMT */ - outw(lp->xmt_lower_limit, ioaddr + lp->xmt_bar); + outw(lp->xmt_lower_limit, ioaddr + lp->xmt_bar); lp->tx_start = lp->tx_end = lp->xmt_lower_limit; lp->tx_last = 0; @@ -1411,7 +1413,7 @@ set_multicast_list(struct net_device *dev) outb(0x08, ioaddr + STATUS_REG); if (i & 0x20) { /* command ABORTed */ - printk(KERN_NOTICE "%s: multicast setup failed.\n", + printk(KERN_NOTICE "%s: multicast setup failed.\n", dev->name); break; } else if ((i & 0x0f) == 0x03) { /* MC-Done */ @@ -1512,7 +1514,7 @@ hardware_send_packet(struct net_device *dev, void *buf, short length) end = last + (((length + 3) >> 1) << 1) + XMT_HEADER; if (end >= lp->xmt_upper_limit + 2) { /* the transmit buffer is wrapped around */ - if ((lp->xmt_upper_limit + 2 - last) <= XMT_HEADER) { + if ((lp->xmt_upper_limit + 2 - last) <= XMT_HEADER) { /* Arrrr!!!, must keep the xmt header together, several days were lost to chase this one down. */ last = lp->xmt_lower_limit; @@ -1643,7 +1645,7 @@ eepro_rx(struct net_device *dev) else if (rcv_status & 0x0800) lp->stats.rx_crc_errors++; - printk(KERN_DEBUG "%s: event = %#x, status = %#x, next = %#x, size = %#x\n", + printk(KERN_DEBUG "%s: event = %#x, status = %#x, next = %#x, size = %#x\n", dev->name, rcv_event, rcv_status, rcv_next_frame, rcv_size); } @@ -1674,10 +1676,10 @@ eepro_transmit_interrupt(struct net_device *dev) { struct eepro_local *lp = netdev_priv(dev); short ioaddr = dev->base_addr; - short boguscount = 25; + short boguscount = 25; short xmt_status; - while ((lp->tx_start != lp->tx_end) && boguscount--) { + while ((lp->tx_start != lp->tx_end) && boguscount--) { outw(lp->tx_start, ioaddr + HOST_ADDRESS_REG); xmt_status = inw(ioaddr+IO_PORT); @@ -1723,7 +1725,7 @@ static int eepro_ethtool_get_settings(struct net_device *dev, { struct eepro_local *lp = (struct eepro_local *)dev->priv; - cmd->supported = SUPPORTED_10baseT_Half | + cmd->supported = SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | SUPPORTED_Autoneg; cmd->advertising = ADVERTISED_10baseT_Half | @@ -1797,10 +1799,9 @@ MODULE_AUTHOR("Pascal Dupuis and others"); MODULE_DESCRIPTION("Intel i82595 ISA EtherExpressPro10/10+ driver"); MODULE_LICENSE("GPL"); -static int num_params; -module_param_array(io, int, &num_params, 0); -module_param_array(irq, int, &num_params, 0); -module_param_array(mem, int, &num_params, 0); +module_param_array(io, int, NULL, 0); +module_param_array(irq, int, NULL, 0); +module_param_array(mem, int, NULL, 0); module_param(autodetect, int, 0); MODULE_PARM_DESC(io, "EtherExpress Pro/10 I/O base addres(es)"); MODULE_PARM_DESC(irq, "EtherExpress Pro/10 IRQ number(s)"); diff --git a/drivers/net/epic100.c b/drivers/net/epic100.c index 87f522738bfc..f119ec4e89ea 100644 --- a/drivers/net/epic100.c +++ b/drivers/net/epic100.c @@ -1334,7 +1334,7 @@ static void epic_rx_err(struct net_device *dev, struct epic_private *ep) static int epic_poll(struct net_device *dev, int *budget) { struct epic_private *ep = dev->priv; - int work_done, orig_budget; + int work_done = 0, orig_budget; long ioaddr = dev->base_addr; orig_budget = (*budget > dev->quota) ? dev->quota : *budget; @@ -1343,7 +1343,7 @@ rx_action: epic_tx(dev, ep); - work_done = epic_rx(dev, *budget); + work_done += epic_rx(dev, *budget); epic_rx_err(dev, ep); diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index d6eefdb71c17..22aec6ed80f5 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -95,6 +95,8 @@ * of nv_remove * 0.42: 06 Aug 2005: Fix lack of link speed initialization * in the second (and later) nv_open call + * 0.43: 10 Aug 2005: Add support for tx checksum. + * 0.44: 20 Aug 2005: Add support for scatter gather and segmentation. * * Known bugs: * We suspect that on some hardware no TX done interrupts are generated. @@ -106,7 +108,7 @@ * DEV_NEED_TIMERIRQ will not harm you on sane hardware, only generating a few * superfluous timer interrupts from the nic. */ -#define FORCEDETH_VERSION "0.41" +#define FORCEDETH_VERSION "0.44" #define DRV_NAME "forcedeth" #include <linux/module.h> @@ -145,6 +147,7 @@ #define DEV_NEED_LINKTIMER 0x0002 /* poll link settings. Relies on the timer irq */ #define DEV_HAS_LARGEDESC 0x0004 /* device supports jumbo frames and needs packet format 2 */ #define DEV_HAS_HIGH_DMA 0x0008 /* device supports 64bit dma */ +#define DEV_HAS_CHECKSUM 0x0010 /* device supports tx and rx checksum offloads */ enum { NvRegIrqStatus = 0x000, @@ -241,6 +244,9 @@ enum { #define NVREG_TXRXCTL_IDLE 0x0008 #define NVREG_TXRXCTL_RESET 0x0010 #define NVREG_TXRXCTL_RXCHECK 0x0400 +#define NVREG_TXRXCTL_DESC_1 0 +#define NVREG_TXRXCTL_DESC_2 0x02100 +#define NVREG_TXRXCTL_DESC_3 0x02200 NvRegMIIStatus = 0x180, #define NVREG_MIISTAT_ERROR 0x0001 #define NVREG_MIISTAT_LINKCHANGE 0x0008 @@ -335,6 +341,10 @@ typedef union _ring_type { /* error and valid are the same for both */ #define NV_TX2_ERROR (1<<30) #define NV_TX2_VALID (1<<31) +#define NV_TX2_TSO (1<<28) +#define NV_TX2_TSO_SHIFT 14 +#define NV_TX2_CHECKSUM_L3 (1<<27) +#define NV_TX2_CHECKSUM_L4 (1<<26) #define NV_RX_DESCRIPTORVALID (1<<16) #define NV_RX_MISSEDFRAME (1<<17) @@ -417,14 +427,14 @@ typedef union _ring_type { /* * desc_ver values: - * This field has two purposes: - * - Newer nics uses a different ring layout. The layout is selected by - * comparing np->desc_ver with DESC_VER_xy. - * - It contains bits that are forced on when writing to NvRegTxRxControl. + * The nic supports three different descriptor types: + * - DESC_VER_1: Original + * - DESC_VER_2: support for jumbo frames. + * - DESC_VER_3: 64-bit format. */ -#define DESC_VER_1 0x0 -#define DESC_VER_2 (0x02100|NVREG_TXRXCTL_RXCHECK) -#define DESC_VER_3 (0x02200|NVREG_TXRXCTL_RXCHECK) +#define DESC_VER_1 1 +#define DESC_VER_2 2 +#define DESC_VER_3 3 /* PHY defines */ #define PHY_OUI_MARVELL 0x5043 @@ -491,6 +501,7 @@ struct fe_priv { u32 orig_mac[2]; u32 irqmask; u32 desc_ver; + u32 txrxctl_bits; void __iomem *base; @@ -534,7 +545,7 @@ static inline struct fe_priv *get_nvpriv(struct net_device *dev) static inline u8 __iomem *get_hwbase(struct net_device *dev) { - return get_nvpriv(dev)->base; + return ((struct fe_priv *)netdev_priv(dev))->base; } static inline void pci_push(u8 __iomem *base) @@ -623,7 +634,7 @@ static int mii_rw(struct net_device *dev, int addr, int miireg, int value) static int phy_reset(struct net_device *dev) { - struct fe_priv *np = get_nvpriv(dev); + struct fe_priv *np = netdev_priv(dev); u32 miicontrol; unsigned int tries = 0; @@ -726,7 +737,7 @@ static int phy_init(struct net_device *dev) static void nv_start_rx(struct net_device *dev) { - struct fe_priv *np = get_nvpriv(dev); + struct fe_priv *np = netdev_priv(dev); u8 __iomem *base = get_hwbase(dev); dprintk(KERN_DEBUG "%s: nv_start_rx\n", dev->name); @@ -782,14 +793,14 @@ static void nv_stop_tx(struct net_device *dev) static void nv_txrx_reset(struct net_device *dev) { - struct fe_priv *np = get_nvpriv(dev); + struct fe_priv *np = netdev_priv(dev); u8 __iomem *base = get_hwbase(dev); dprintk(KERN_DEBUG "%s: nv_txrx_reset\n", dev->name); - writel(NVREG_TXRXCTL_BIT2 | NVREG_TXRXCTL_RESET | np->desc_ver, base + NvRegTxRxControl); + writel(NVREG_TXRXCTL_BIT2 | NVREG_TXRXCTL_RESET | np->txrxctl_bits, base + NvRegTxRxControl); pci_push(base); udelay(NV_TXRX_RESET_DELAY); - writel(NVREG_TXRXCTL_BIT2 | np->desc_ver, base + NvRegTxRxControl); + writel(NVREG_TXRXCTL_BIT2 | np->txrxctl_bits, base + NvRegTxRxControl); pci_push(base); } @@ -801,7 +812,7 @@ static void nv_txrx_reset(struct net_device *dev) */ static struct net_device_stats *nv_get_stats(struct net_device *dev) { - struct fe_priv *np = get_nvpriv(dev); + struct fe_priv *np = netdev_priv(dev); /* It seems that the nic always generates interrupts and doesn't * accumulate errors internally. Thus the current values in np->stats @@ -817,7 +828,7 @@ static struct net_device_stats *nv_get_stats(struct net_device *dev) */ static int nv_alloc_rx(struct net_device *dev) { - struct fe_priv *np = get_nvpriv(dev); + struct fe_priv *np = netdev_priv(dev); unsigned int refill_rx = np->refill_rx; int nr; @@ -861,7 +872,7 @@ static int nv_alloc_rx(struct net_device *dev) static void nv_do_rx_refill(unsigned long data) { struct net_device *dev = (struct net_device *) data; - struct fe_priv *np = get_nvpriv(dev); + struct fe_priv *np = netdev_priv(dev); disable_irq(dev->irq); if (nv_alloc_rx(dev)) { @@ -875,7 +886,7 @@ static void nv_do_rx_refill(unsigned long data) static void nv_init_rx(struct net_device *dev) { - struct fe_priv *np = get_nvpriv(dev); + struct fe_priv *np = netdev_priv(dev); int i; np->cur_rx = RX_RING; @@ -889,15 +900,17 @@ static void nv_init_rx(struct net_device *dev) static void nv_init_tx(struct net_device *dev) { - struct fe_priv *np = get_nvpriv(dev); + struct fe_priv *np = netdev_priv(dev); int i; np->next_tx = np->nic_tx = 0; - for (i = 0; i < TX_RING; i++) + for (i = 0; i < TX_RING; i++) { if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) np->tx_ring.orig[i].FlagLen = 0; else np->tx_ring.ex[i].FlagLen = 0; + np->tx_skbuff[i] = NULL; + } } static int nv_init_ring(struct net_device *dev) @@ -907,21 +920,44 @@ static int nv_init_ring(struct net_device *dev) return nv_alloc_rx(dev); } +static void nv_release_txskb(struct net_device *dev, unsigned int skbnr) +{ + struct fe_priv *np = netdev_priv(dev); + struct sk_buff *skb = np->tx_skbuff[skbnr]; + unsigned int j, entry, fragments; + + dprintk(KERN_INFO "%s: nv_release_txskb for skbnr %d, skb %p\n", + dev->name, skbnr, np->tx_skbuff[skbnr]); + + entry = skbnr; + if ((fragments = skb_shinfo(skb)->nr_frags) != 0) { + for (j = fragments; j >= 1; j--) { + skb_frag_t *frag = &skb_shinfo(skb)->frags[j-1]; + pci_unmap_page(np->pci_dev, np->tx_dma[entry], + frag->size, + PCI_DMA_TODEVICE); + entry = (entry - 1) % TX_RING; + } + } + pci_unmap_single(np->pci_dev, np->tx_dma[entry], + skb->len - skb->data_len, + PCI_DMA_TODEVICE); + dev_kfree_skb_irq(skb); + np->tx_skbuff[skbnr] = NULL; +} + static void nv_drain_tx(struct net_device *dev) { - struct fe_priv *np = get_nvpriv(dev); - int i; + struct fe_priv *np = netdev_priv(dev); + unsigned int i; + for (i = 0; i < TX_RING; i++) { if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) np->tx_ring.orig[i].FlagLen = 0; else np->tx_ring.ex[i].FlagLen = 0; if (np->tx_skbuff[i]) { - pci_unmap_single(np->pci_dev, np->tx_dma[i], - np->tx_skbuff[i]->len, - PCI_DMA_TODEVICE); - dev_kfree_skb(np->tx_skbuff[i]); - np->tx_skbuff[i] = NULL; + nv_release_txskb(dev, i); np->stats.tx_dropped++; } } @@ -929,7 +965,7 @@ static void nv_drain_tx(struct net_device *dev) static void nv_drain_rx(struct net_device *dev) { - struct fe_priv *np = get_nvpriv(dev); + struct fe_priv *np = netdev_priv(dev); int i; for (i = 0; i < RX_RING; i++) { if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) @@ -959,28 +995,69 @@ static void drain_ring(struct net_device *dev) */ static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev) { - struct fe_priv *np = get_nvpriv(dev); - int nr = np->next_tx % TX_RING; + struct fe_priv *np = netdev_priv(dev); + u32 tx_flags_extra = (np->desc_ver == DESC_VER_1 ? NV_TX_LASTPACKET : NV_TX2_LASTPACKET); + unsigned int fragments = skb_shinfo(skb)->nr_frags; + unsigned int nr = (np->next_tx + fragments) % TX_RING; + unsigned int i; + + spin_lock_irq(&np->lock); + + if ((np->next_tx - np->nic_tx + fragments) > TX_LIMIT_STOP) { + spin_unlock_irq(&np->lock); + netif_stop_queue(dev); + return NETDEV_TX_BUSY; + } np->tx_skbuff[nr] = skb; - np->tx_dma[nr] = pci_map_single(np->pci_dev, skb->data,skb->len, - PCI_DMA_TODEVICE); + + if (fragments) { + dprintk(KERN_DEBUG "%s: nv_start_xmit: buffer contains %d fragments\n", dev->name, fragments); + /* setup descriptors in reverse order */ + for (i = fragments; i >= 1; i--) { + skb_frag_t *frag = &skb_shinfo(skb)->frags[i-1]; + np->tx_dma[nr] = pci_map_page(np->pci_dev, frag->page, frag->page_offset, frag->size, + PCI_DMA_TODEVICE); - if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) + if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { + np->tx_ring.orig[nr].PacketBuffer = cpu_to_le32(np->tx_dma[nr]); + np->tx_ring.orig[nr].FlagLen = cpu_to_le32( (frag->size-1) | np->tx_flags | tx_flags_extra); + } else { + np->tx_ring.ex[nr].PacketBufferHigh = cpu_to_le64(np->tx_dma[nr]) >> 32; + np->tx_ring.ex[nr].PacketBufferLow = cpu_to_le64(np->tx_dma[nr]) & 0x0FFFFFFFF; + np->tx_ring.ex[nr].FlagLen = cpu_to_le32( (frag->size-1) | np->tx_flags | tx_flags_extra); + } + + nr = (nr - 1) % TX_RING; + + if (np->desc_ver == DESC_VER_1) + tx_flags_extra &= ~NV_TX_LASTPACKET; + else + tx_flags_extra &= ~NV_TX2_LASTPACKET; + } + } + +#ifdef NETIF_F_TSO + if (skb_shinfo(skb)->tso_size) + tx_flags_extra |= NV_TX2_TSO | (skb_shinfo(skb)->tso_size << NV_TX2_TSO_SHIFT); + else +#endif + tx_flags_extra |= (skb->ip_summed == CHECKSUM_HW ? (NV_TX2_CHECKSUM_L3|NV_TX2_CHECKSUM_L4) : 0); + + np->tx_dma[nr] = pci_map_single(np->pci_dev, skb->data, skb->len-skb->data_len, + PCI_DMA_TODEVICE); + + if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { np->tx_ring.orig[nr].PacketBuffer = cpu_to_le32(np->tx_dma[nr]); - else { + np->tx_ring.orig[nr].FlagLen = cpu_to_le32( (skb->len-skb->data_len-1) | np->tx_flags | tx_flags_extra); + } else { np->tx_ring.ex[nr].PacketBufferHigh = cpu_to_le64(np->tx_dma[nr]) >> 32; np->tx_ring.ex[nr].PacketBufferLow = cpu_to_le64(np->tx_dma[nr]) & 0x0FFFFFFFF; - } + np->tx_ring.ex[nr].FlagLen = cpu_to_le32( (skb->len-skb->data_len-1) | np->tx_flags | tx_flags_extra); + } - spin_lock_irq(&np->lock); - wmb(); - if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) - np->tx_ring.orig[nr].FlagLen = cpu_to_le32( (skb->len-1) | np->tx_flags ); - else - np->tx_ring.ex[nr].FlagLen = cpu_to_le32( (skb->len-1) | np->tx_flags ); - dprintk(KERN_DEBUG "%s: nv_start_xmit: packet packet %d queued for transmission.\n", - dev->name, np->next_tx); + dprintk(KERN_DEBUG "%s: nv_start_xmit: packet packet %d queued for transmission. tx_flags_extra: %x\n", + dev->name, np->next_tx, tx_flags_extra); { int j; for (j=0; j<64; j++) { @@ -991,15 +1068,13 @@ static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev) dprintk("\n"); } - np->next_tx++; + np->next_tx += 1 + fragments; dev->trans_start = jiffies; - if (np->next_tx - np->nic_tx >= TX_LIMIT_STOP) - netif_stop_queue(dev); spin_unlock_irq(&np->lock); - writel(NVREG_TXRXCTL_KICK|np->desc_ver, get_hwbase(dev) + NvRegTxRxControl); + writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); pci_push(get_hwbase(dev)); - return 0; + return NETDEV_TX_OK; } /* @@ -1009,9 +1084,10 @@ static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev) */ static void nv_tx_done(struct net_device *dev) { - struct fe_priv *np = get_nvpriv(dev); + struct fe_priv *np = netdev_priv(dev); u32 Flags; - int i; + unsigned int i; + struct sk_buff *skb; while (np->nic_tx != np->next_tx) { i = np->nic_tx % TX_RING; @@ -1026,35 +1102,38 @@ static void nv_tx_done(struct net_device *dev) if (Flags & NV_TX_VALID) break; if (np->desc_ver == DESC_VER_1) { - if (Flags & (NV_TX_RETRYERROR|NV_TX_CARRIERLOST|NV_TX_LATECOLLISION| - NV_TX_UNDERFLOW|NV_TX_ERROR)) { - if (Flags & NV_TX_UNDERFLOW) - np->stats.tx_fifo_errors++; - if (Flags & NV_TX_CARRIERLOST) - np->stats.tx_carrier_errors++; - np->stats.tx_errors++; - } else { - np->stats.tx_packets++; - np->stats.tx_bytes += np->tx_skbuff[i]->len; + if (Flags & NV_TX_LASTPACKET) { + skb = np->tx_skbuff[i]; + if (Flags & (NV_TX_RETRYERROR|NV_TX_CARRIERLOST|NV_TX_LATECOLLISION| + NV_TX_UNDERFLOW|NV_TX_ERROR)) { + if (Flags & NV_TX_UNDERFLOW) + np->stats.tx_fifo_errors++; + if (Flags & NV_TX_CARRIERLOST) + np->stats.tx_carrier_errors++; + np->stats.tx_errors++; + } else { + np->stats.tx_packets++; + np->stats.tx_bytes += skb->len; + } + nv_release_txskb(dev, i); } } else { - if (Flags & (NV_TX2_RETRYERROR|NV_TX2_CARRIERLOST|NV_TX2_LATECOLLISION| - NV_TX2_UNDERFLOW|NV_TX2_ERROR)) { - if (Flags & NV_TX2_UNDERFLOW) - np->stats.tx_fifo_errors++; - if (Flags & NV_TX2_CARRIERLOST) - np->stats.tx_carrier_errors++; - np->stats.tx_errors++; - } else { - np->stats.tx_packets++; - np->stats.tx_bytes += np->tx_skbuff[i]->len; + if (Flags & NV_TX2_LASTPACKET) { + skb = np->tx_skbuff[i]; + if (Flags & (NV_TX2_RETRYERROR|NV_TX2_CARRIERLOST|NV_TX2_LATECOLLISION| + NV_TX2_UNDERFLOW|NV_TX2_ERROR)) { + if (Flags & NV_TX2_UNDERFLOW) + np->stats.tx_fifo_errors++; + if (Flags & NV_TX2_CARRIERLOST) + np->stats.tx_carrier_errors++; + np->stats.tx_errors++; + } else { + np->stats.tx_packets++; + np->stats.tx_bytes += skb->len; + } + nv_release_txskb(dev, i); } } - pci_unmap_single(np->pci_dev, np->tx_dma[i], - np->tx_skbuff[i]->len, - PCI_DMA_TODEVICE); - dev_kfree_skb_irq(np->tx_skbuff[i]); - np->tx_skbuff[i] = NULL; np->nic_tx++; } if (np->next_tx - np->nic_tx < TX_LIMIT_START) @@ -1067,7 +1146,7 @@ static void nv_tx_done(struct net_device *dev) */ static void nv_tx_timeout(struct net_device *dev) { - struct fe_priv *np = get_nvpriv(dev); + struct fe_priv *np = netdev_priv(dev); u8 __iomem *base = get_hwbase(dev); printk(KERN_INFO "%s: Got tx_timeout. irq: %08x\n", dev->name, @@ -1200,7 +1279,7 @@ static int nv_getlen(struct net_device *dev, void *packet, int datalen) static void nv_rx_process(struct net_device *dev) { - struct fe_priv *np = get_nvpriv(dev); + struct fe_priv *np = netdev_priv(dev); u32 Flags; for (;;) { @@ -1355,7 +1434,7 @@ static void set_bufsize(struct net_device *dev) */ static int nv_change_mtu(struct net_device *dev, int new_mtu) { - struct fe_priv *np = get_nvpriv(dev); + struct fe_priv *np = netdev_priv(dev); int old_mtu; if (new_mtu < 64 || new_mtu > np->pkt_limit) @@ -1408,7 +1487,7 @@ static int nv_change_mtu(struct net_device *dev, int new_mtu) writel( ((RX_RING-1) << NVREG_RINGSZ_RXSHIFT) + ((TX_RING-1) << NVREG_RINGSZ_TXSHIFT), base + NvRegRingSizes); pci_push(base); - writel(NVREG_TXRXCTL_KICK|np->desc_ver, get_hwbase(dev) + NvRegTxRxControl); + writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); pci_push(base); /* restart rx engine */ @@ -1440,7 +1519,7 @@ static void nv_copy_mac_to_hw(struct net_device *dev) */ static int nv_set_mac_address(struct net_device *dev, void *addr) { - struct fe_priv *np = get_nvpriv(dev); + struct fe_priv *np = netdev_priv(dev); struct sockaddr *macaddr = (struct sockaddr*)addr; if(!is_valid_ether_addr(macaddr->sa_data)) @@ -1475,7 +1554,7 @@ static int nv_set_mac_address(struct net_device *dev, void *addr) */ static void nv_set_multicast(struct net_device *dev) { - struct fe_priv *np = get_nvpriv(dev); + struct fe_priv *np = netdev_priv(dev); u8 __iomem *base = get_hwbase(dev); u32 addr[2]; u32 mask[2]; @@ -1535,7 +1614,7 @@ static void nv_set_multicast(struct net_device *dev) static int nv_update_linkspeed(struct net_device *dev) { - struct fe_priv *np = get_nvpriv(dev); + struct fe_priv *np = netdev_priv(dev); u8 __iomem *base = get_hwbase(dev); int adv, lpa; int newls = np->linkspeed; @@ -1705,7 +1784,7 @@ static void nv_link_irq(struct net_device *dev) static irqreturn_t nv_nic_irq(int foo, void *data, struct pt_regs *regs) { struct net_device *dev = (struct net_device *) data; - struct fe_priv *np = get_nvpriv(dev); + struct fe_priv *np = netdev_priv(dev); u8 __iomem *base = get_hwbase(dev); u32 events; int i; @@ -1777,7 +1856,7 @@ static irqreturn_t nv_nic_irq(int foo, void *data, struct pt_regs *regs) static void nv_do_nic_poll(unsigned long data) { struct net_device *dev = (struct net_device *) data; - struct fe_priv *np = get_nvpriv(dev); + struct fe_priv *np = netdev_priv(dev); u8 __iomem *base = get_hwbase(dev); disable_irq(dev->irq); @@ -1801,7 +1880,7 @@ static void nv_poll_controller(struct net_device *dev) static void nv_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) { - struct fe_priv *np = get_nvpriv(dev); + struct fe_priv *np = netdev_priv(dev); strcpy(info->driver, "forcedeth"); strcpy(info->version, FORCEDETH_VERSION); strcpy(info->bus_info, pci_name(np->pci_dev)); @@ -1809,7 +1888,7 @@ static void nv_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) static void nv_get_wol(struct net_device *dev, struct ethtool_wolinfo *wolinfo) { - struct fe_priv *np = get_nvpriv(dev); + struct fe_priv *np = netdev_priv(dev); wolinfo->supported = WAKE_MAGIC; spin_lock_irq(&np->lock); @@ -1820,7 +1899,7 @@ static void nv_get_wol(struct net_device *dev, struct ethtool_wolinfo *wolinfo) static int nv_set_wol(struct net_device *dev, struct ethtool_wolinfo *wolinfo) { - struct fe_priv *np = get_nvpriv(dev); + struct fe_priv *np = netdev_priv(dev); u8 __iomem *base = get_hwbase(dev); spin_lock_irq(&np->lock); @@ -2021,7 +2100,7 @@ static int nv_get_regs_len(struct net_device *dev) static void nv_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *buf) { - struct fe_priv *np = get_nvpriv(dev); + struct fe_priv *np = netdev_priv(dev); u8 __iomem *base = get_hwbase(dev); u32 *rbuf = buf; int i; @@ -2035,7 +2114,7 @@ static void nv_get_regs(struct net_device *dev, struct ethtool_regs *regs, void static int nv_nway_reset(struct net_device *dev) { - struct fe_priv *np = get_nvpriv(dev); + struct fe_priv *np = netdev_priv(dev); int ret; spin_lock_irq(&np->lock); @@ -2065,11 +2144,12 @@ static struct ethtool_ops ops = { .get_regs_len = nv_get_regs_len, .get_regs = nv_get_regs, .nway_reset = nv_nway_reset, + .get_perm_addr = ethtool_op_get_perm_addr, }; static int nv_open(struct net_device *dev) { - struct fe_priv *np = get_nvpriv(dev); + struct fe_priv *np = netdev_priv(dev); u8 __iomem *base = get_hwbase(dev); int ret, oom, i; @@ -2114,9 +2194,9 @@ static int nv_open(struct net_device *dev) /* 5) continue setup */ writel(np->linkspeed, base + NvRegLinkSpeed); writel(NVREG_UNKSETUP3_VAL1, base + NvRegUnknownSetupReg3); - writel(np->desc_ver, base + NvRegTxRxControl); + writel(np->txrxctl_bits, base + NvRegTxRxControl); pci_push(base); - writel(NVREG_TXRXCTL_BIT1|np->desc_ver, base + NvRegTxRxControl); + writel(NVREG_TXRXCTL_BIT1|np->txrxctl_bits, base + NvRegTxRxControl); reg_delay(dev, NvRegUnknownSetupReg5, NVREG_UNKSETUP5_BIT31, NVREG_UNKSETUP5_BIT31, NV_SETUP5_DELAY, NV_SETUP5_DELAYMAX, KERN_INFO "open: SetupReg5, Bit 31 remained off\n"); @@ -2205,7 +2285,7 @@ out_drain: static int nv_close(struct net_device *dev) { - struct fe_priv *np = get_nvpriv(dev); + struct fe_priv *np = netdev_priv(dev); u8 __iomem *base; spin_lock_irq(&np->lock); @@ -2261,7 +2341,7 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i if (!dev) goto out; - np = get_nvpriv(dev); + np = netdev_priv(dev); np->pci_dev = pci_dev; spin_lock_init(&np->lock); SET_MODULE_OWNER(dev); @@ -2313,19 +2393,32 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i if (pci_set_dma_mask(pci_dev, 0x0000007fffffffffULL)) { printk(KERN_INFO "forcedeth: 64-bit DMA failed, using 32-bit addressing for device %s.\n", pci_name(pci_dev)); + } else { + dev->features |= NETIF_F_HIGHDMA; } + np->txrxctl_bits = NVREG_TXRXCTL_DESC_3; } else if (id->driver_data & DEV_HAS_LARGEDESC) { /* packet format 2: supports jumbo frames */ np->desc_ver = DESC_VER_2; + np->txrxctl_bits = NVREG_TXRXCTL_DESC_2; } else { /* original packet format */ np->desc_ver = DESC_VER_1; + np->txrxctl_bits = NVREG_TXRXCTL_DESC_1; } np->pkt_limit = NV_PKTLIMIT_1; if (id->driver_data & DEV_HAS_LARGEDESC) np->pkt_limit = NV_PKTLIMIT_2; + if (id->driver_data & DEV_HAS_CHECKSUM) { + np->txrxctl_bits |= NVREG_TXRXCTL_RXCHECK; + dev->features |= NETIF_F_HW_CSUM | NETIF_F_SG; +#ifdef NETIF_F_TSO + dev->features |= NETIF_F_TSO; +#endif + } + err = -ENOMEM; np->base = ioremap(addr, NV_PCI_REGSZ); if (!np->base) @@ -2377,8 +2470,9 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i dev->dev_addr[3] = (np->orig_mac[0] >> 16) & 0xff; dev->dev_addr[4] = (np->orig_mac[0] >> 8) & 0xff; dev->dev_addr[5] = (np->orig_mac[0] >> 0) & 0xff; + memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); - if (!is_valid_ether_addr(dev->dev_addr)) { + if (!is_valid_ether_addr(dev->perm_addr)) { /* * Bad mac address. At least one bios sets the mac address * to 01:23:45:67:89:ab @@ -2403,9 +2497,9 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i np->wolenabled = 0; if (np->desc_ver == DESC_VER_1) { - np->tx_flags = NV_TX_LASTPACKET|NV_TX_VALID; + np->tx_flags = NV_TX_VALID; } else { - np->tx_flags = NV_TX2_LASTPACKET|NV_TX2_VALID; + np->tx_flags = NV_TX2_VALID; } np->irqmask = NVREG_IRQMASK_WANTED; if (id->driver_data & DEV_NEED_TIMERIRQ) @@ -2494,7 +2588,7 @@ out: static void __devexit nv_remove(struct pci_dev *pci_dev) { struct net_device *dev = pci_get_drvdata(pci_dev); - struct fe_priv *np = get_nvpriv(dev); + struct fe_priv *np = netdev_priv(dev); unregister_netdev(dev); @@ -2525,35 +2619,35 @@ static struct pci_device_id pci_tbl[] = { }, { /* nForce3 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_4), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM, }, { /* nForce3 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_5), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM, }, { /* nForce3 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_6), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM, }, { /* nForce3 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_7), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM, }, { /* CK804 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_8), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_HIGH_DMA, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA, }, { /* CK804 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_9), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_HIGH_DMA, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA, }, { /* MCP04 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_10), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_HIGH_DMA, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA, }, { /* MCP04 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_11), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_HIGH_DMA, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA, }, { /* MCP51 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_12), @@ -2565,11 +2659,11 @@ static struct pci_device_id pci_tbl[] = { }, { /* MCP55 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_14), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_HIGH_DMA, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA, }, { /* MCP55 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_15), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_HIGH_DMA, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA, }, {0,}, }; diff --git a/drivers/net/fs_enet/Kconfig b/drivers/net/fs_enet/Kconfig new file mode 100644 index 000000000000..6aaee67dd4b7 --- /dev/null +++ b/drivers/net/fs_enet/Kconfig @@ -0,0 +1,20 @@ +config FS_ENET + tristate "Freescale Ethernet Driver" + depends on NET_ETHERNET && (CPM1 || CPM2) + select MII + +config FS_ENET_HAS_SCC + bool "Chip has an SCC usable for ethernet" + depends on FS_ENET && (CPM1 || CPM2) + default y + +config FS_ENET_HAS_FCC + bool "Chip has an FCC usable for ethernet" + depends on FS_ENET && CPM2 + default y + +config FS_ENET_HAS_FEC + bool "Chip has an FEC usable for ethernet" + depends on FS_ENET && CPM1 + default y + diff --git a/drivers/net/fs_enet/Makefile b/drivers/net/fs_enet/Makefile new file mode 100644 index 000000000000..d6dd3f2fb43e --- /dev/null +++ b/drivers/net/fs_enet/Makefile @@ -0,0 +1,10 @@ +# +# Makefile for the Freescale Ethernet controllers +# + +obj-$(CONFIG_FS_ENET) += fs_enet.o + +obj-$(CONFIG_8xx) += mac-fec.o mac-scc.o +obj-$(CONFIG_8260) += mac-fcc.o + +fs_enet-objs := fs_enet-main.o fs_enet-mii.o mii-bitbang.o mii-fixed.o diff --git a/drivers/net/fs_enet/fs_enet-main.c b/drivers/net/fs_enet/fs_enet-main.c new file mode 100644 index 000000000000..44fac7373289 --- /dev/null +++ b/drivers/net/fs_enet/fs_enet-main.c @@ -0,0 +1,1226 @@ +/* + * Combined Ethernet driver for Motorola MPC8xx and MPC82xx. + * + * Copyright (c) 2003 Intracom S.A. + * by Pantelis Antoniou <panto@intracom.gr> + * + * 2005 (c) MontaVista Software, Inc. + * Vitaly Bordug <vbordug@ru.mvista.com> + * + * Heavily based on original FEC driver by Dan Malek <dan@embeddededge.com> + * and modifications by Joakim Tjernlund <joakim.tjernlund@lumentis.se> + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +#include <linux/config.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/sched.h> +#include <linux/string.h> +#include <linux/ptrace.h> +#include <linux/errno.h> +#include <linux/ioport.h> +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/pci.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/skbuff.h> +#include <linux/spinlock.h> +#include <linux/mii.h> +#include <linux/ethtool.h> +#include <linux/bitops.h> +#include <linux/fs.h> + +#include <linux/vmalloc.h> +#include <asm/pgtable.h> + +#include <asm/pgtable.h> +#include <asm/irq.h> +#include <asm/uaccess.h> + +#include "fs_enet.h" + +/*************************************************/ + +static char version[] __devinitdata = + DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")" "\n"; + +MODULE_AUTHOR("Pantelis Antoniou <panto@intracom.gr>"); +MODULE_DESCRIPTION("Freescale Ethernet Driver"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(DRV_MODULE_VERSION); + +MODULE_PARM(fs_enet_debug, "i"); +MODULE_PARM_DESC(fs_enet_debug, + "Freescale bitmapped debugging message enable value"); + +int fs_enet_debug = -1; /* -1 == use FS_ENET_DEF_MSG_ENABLE as value */ + +static void fs_set_multicast_list(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + + (*fep->ops->set_multicast_list)(dev); +} + +/* NAPI receive function */ +static int fs_enet_rx_napi(struct net_device *dev, int *budget) +{ + struct fs_enet_private *fep = netdev_priv(dev); + const struct fs_platform_info *fpi = fep->fpi; + cbd_t *bdp; + struct sk_buff *skb, *skbn, *skbt; + int received = 0; + u16 pkt_len, sc; + int curidx; + int rx_work_limit = 0; /* pacify gcc */ + + rx_work_limit = min(dev->quota, *budget); + + if (!netif_running(dev)) + return 0; + + /* + * First, grab all of the stats for the incoming packet. + * These get messed up if we get called due to a busy condition. + */ + bdp = fep->cur_rx; + + /* clear RX status bits for napi*/ + (*fep->ops->napi_clear_rx_event)(dev); + + while (((sc = CBDR_SC(bdp)) & BD_ENET_RX_EMPTY) == 0) { + + curidx = bdp - fep->rx_bd_base; + + /* + * Since we have allocated space to hold a complete frame, + * the last indicator should be set. + */ + if ((sc & BD_ENET_RX_LAST) == 0) + printk(KERN_WARNING DRV_MODULE_NAME + ": %s rcv is not +last\n", + dev->name); + + /* + * Check for errors. + */ + if (sc & (BD_ENET_RX_LG | BD_ENET_RX_SH | BD_ENET_RX_CL | + BD_ENET_RX_NO | BD_ENET_RX_CR | BD_ENET_RX_OV)) { + fep->stats.rx_errors++; + /* Frame too long or too short. */ + if (sc & (BD_ENET_RX_LG | BD_ENET_RX_SH)) + fep->stats.rx_length_errors++; + /* Frame alignment */ + if (sc & (BD_ENET_RX_NO | BD_ENET_RX_CL)) + fep->stats.rx_frame_errors++; + /* CRC Error */ + if (sc & BD_ENET_RX_CR) + fep->stats.rx_crc_errors++; + /* FIFO overrun */ + if (sc & BD_ENET_RX_OV) + fep->stats.rx_crc_errors++; + + skb = fep->rx_skbuff[curidx]; + + dma_unmap_single(fep->dev, skb->data, + L1_CACHE_ALIGN(PKT_MAXBUF_SIZE), + DMA_FROM_DEVICE); + + skbn = skb; + + } else { + + /* napi, got packet but no quota */ + if (--rx_work_limit < 0) + break; + + skb = fep->rx_skbuff[curidx]; + + dma_unmap_single(fep->dev, skb->data, + L1_CACHE_ALIGN(PKT_MAXBUF_SIZE), + DMA_FROM_DEVICE); + + /* + * Process the incoming frame. + */ + fep->stats.rx_packets++; + pkt_len = CBDR_DATLEN(bdp) - 4; /* remove CRC */ + fep->stats.rx_bytes += pkt_len + 4; + + if (pkt_len <= fpi->rx_copybreak) { + /* +2 to make IP header L1 cache aligned */ + skbn = dev_alloc_skb(pkt_len + 2); + if (skbn != NULL) { + skb_reserve(skbn, 2); /* align IP header */ + memcpy(skbn->data, skb->data, pkt_len); + /* swap */ + skbt = skb; + skb = skbn; + skbn = skbt; + } + } else + skbn = dev_alloc_skb(ENET_RX_FRSIZE); + + if (skbn != NULL) { + skb->dev = dev; + skb_put(skb, pkt_len); /* Make room */ + skb->protocol = eth_type_trans(skb, dev); + received++; + netif_receive_skb(skb); + } else { + printk(KERN_WARNING DRV_MODULE_NAME + ": %s Memory squeeze, dropping packet.\n", + dev->name); + fep->stats.rx_dropped++; + skbn = skb; + } + } + + fep->rx_skbuff[curidx] = skbn; + CBDW_BUFADDR(bdp, dma_map_single(fep->dev, skbn->data, + L1_CACHE_ALIGN(PKT_MAXBUF_SIZE), + DMA_FROM_DEVICE)); + CBDW_DATLEN(bdp, 0); + CBDW_SC(bdp, (sc & ~BD_ENET_RX_STATS) | BD_ENET_RX_EMPTY); + + /* + * Update BD pointer to next entry. + */ + if ((sc & BD_ENET_RX_WRAP) == 0) + bdp++; + else + bdp = fep->rx_bd_base; + + (*fep->ops->rx_bd_done)(dev); + } + + fep->cur_rx = bdp; + + dev->quota -= received; + *budget -= received; + + if (rx_work_limit < 0) + return 1; /* not done */ + + /* done */ + netif_rx_complete(dev); + + (*fep->ops->napi_enable_rx)(dev); + + return 0; +} + +/* non NAPI receive function */ +static int fs_enet_rx_non_napi(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + const struct fs_platform_info *fpi = fep->fpi; + cbd_t *bdp; + struct sk_buff *skb, *skbn, *skbt; + int received = 0; + u16 pkt_len, sc; + int curidx; + /* + * First, grab all of the stats for the incoming packet. + * These get messed up if we get called due to a busy condition. + */ + bdp = fep->cur_rx; + + while (((sc = CBDR_SC(bdp)) & BD_ENET_RX_EMPTY) == 0) { + + curidx = bdp - fep->rx_bd_base; + + /* + * Since we have allocated space to hold a complete frame, + * the last indicator should be set. + */ + if ((sc & BD_ENET_RX_LAST) == 0) + printk(KERN_WARNING DRV_MODULE_NAME + ": %s rcv is not +last\n", + dev->name); + + /* + * Check for errors. + */ + if (sc & (BD_ENET_RX_LG | BD_ENET_RX_SH | BD_ENET_RX_CL | + BD_ENET_RX_NO | BD_ENET_RX_CR | BD_ENET_RX_OV)) { + fep->stats.rx_errors++; + /* Frame too long or too short. */ + if (sc & (BD_ENET_RX_LG | BD_ENET_RX_SH)) + fep->stats.rx_length_errors++; + /* Frame alignment */ + if (sc & (BD_ENET_RX_NO | BD_ENET_RX_CL)) + fep->stats.rx_frame_errors++; + /* CRC Error */ + if (sc & BD_ENET_RX_CR) + fep->stats.rx_crc_errors++; + /* FIFO overrun */ + if (sc & BD_ENET_RX_OV) + fep->stats.rx_crc_errors++; + + skb = fep->rx_skbuff[curidx]; + + dma_unmap_single(fep->dev, skb->data, + L1_CACHE_ALIGN(PKT_MAXBUF_SIZE), + DMA_FROM_DEVICE); + + skbn = skb; + + } else { + + skb = fep->rx_skbuff[curidx]; + + dma_unmap_single(fep->dev, skb->data, + L1_CACHE_ALIGN(PKT_MAXBUF_SIZE), + DMA_FROM_DEVICE); + + /* + * Process the incoming frame. + */ + fep->stats.rx_packets++; + pkt_len = CBDR_DATLEN(bdp) - 4; /* remove CRC */ + fep->stats.rx_bytes += pkt_len + 4; + + if (pkt_len <= fpi->rx_copybreak) { + /* +2 to make IP header L1 cache aligned */ + skbn = dev_alloc_skb(pkt_len + 2); + if (skbn != NULL) { + skb_reserve(skbn, 2); /* align IP header */ + memcpy(skbn->data, skb->data, pkt_len); + /* swap */ + skbt = skb; + skb = skbn; + skbn = skbt; + } + } else + skbn = dev_alloc_skb(ENET_RX_FRSIZE); + + if (skbn != NULL) { + skb->dev = dev; + skb_put(skb, pkt_len); /* Make room */ + skb->protocol = eth_type_trans(skb, dev); + received++; + netif_rx(skb); + } else { + printk(KERN_WARNING DRV_MODULE_NAME + ": %s Memory squeeze, dropping packet.\n", + dev->name); + fep->stats.rx_dropped++; + skbn = skb; + } + } + + fep->rx_skbuff[curidx] = skbn; + CBDW_BUFADDR(bdp, dma_map_single(fep->dev, skbn->data, + L1_CACHE_ALIGN(PKT_MAXBUF_SIZE), + DMA_FROM_DEVICE)); + CBDW_DATLEN(bdp, 0); + CBDW_SC(bdp, (sc & ~BD_ENET_RX_STATS) | BD_ENET_RX_EMPTY); + + /* + * Update BD pointer to next entry. + */ + if ((sc & BD_ENET_RX_WRAP) == 0) + bdp++; + else + bdp = fep->rx_bd_base; + + (*fep->ops->rx_bd_done)(dev); + } + + fep->cur_rx = bdp; + + return 0; +} + +static void fs_enet_tx(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + cbd_t *bdp; + struct sk_buff *skb; + int dirtyidx, do_wake, do_restart; + u16 sc; + + spin_lock(&fep->lock); + bdp = fep->dirty_tx; + + do_wake = do_restart = 0; + while (((sc = CBDR_SC(bdp)) & BD_ENET_TX_READY) == 0) { + + dirtyidx = bdp - fep->tx_bd_base; + + if (fep->tx_free == fep->tx_ring) + break; + + skb = fep->tx_skbuff[dirtyidx]; + + /* + * Check for errors. + */ + if (sc & (BD_ENET_TX_HB | BD_ENET_TX_LC | + BD_ENET_TX_RL | BD_ENET_TX_UN | BD_ENET_TX_CSL)) { + + if (sc & BD_ENET_TX_HB) /* No heartbeat */ + fep->stats.tx_heartbeat_errors++; + if (sc & BD_ENET_TX_LC) /* Late collision */ + fep->stats.tx_window_errors++; + if (sc & BD_ENET_TX_RL) /* Retrans limit */ + fep->stats.tx_aborted_errors++; + if (sc & BD_ENET_TX_UN) /* Underrun */ + fep->stats.tx_fifo_errors++; + if (sc & BD_ENET_TX_CSL) /* Carrier lost */ + fep->stats.tx_carrier_errors++; + + if (sc & (BD_ENET_TX_LC | BD_ENET_TX_RL | BD_ENET_TX_UN)) { + fep->stats.tx_errors++; + do_restart = 1; + } + } else + fep->stats.tx_packets++; + + if (sc & BD_ENET_TX_READY) + printk(KERN_WARNING DRV_MODULE_NAME + ": %s HEY! Enet xmit interrupt and TX_READY.\n", + dev->name); + + /* + * Deferred means some collisions occurred during transmit, + * but we eventually sent the packet OK. + */ + if (sc & BD_ENET_TX_DEF) + fep->stats.collisions++; + + /* unmap */ + dma_unmap_single(fep->dev, skb->data, skb->len, DMA_TO_DEVICE); + + /* + * Free the sk buffer associated with this last transmit. + */ + dev_kfree_skb_irq(skb); + fep->tx_skbuff[dirtyidx] = NULL; + + /* + * Update pointer to next buffer descriptor to be transmitted. + */ + if ((sc & BD_ENET_TX_WRAP) == 0) + bdp++; + else + bdp = fep->tx_bd_base; + + /* + * Since we have freed up a buffer, the ring is no longer + * full. + */ + if (!fep->tx_free++) + do_wake = 1; + } + + fep->dirty_tx = bdp; + + if (do_restart) + (*fep->ops->tx_restart)(dev); + + spin_unlock(&fep->lock); + + if (do_wake) + netif_wake_queue(dev); +} + +/* + * The interrupt handler. + * This is called from the MPC core interrupt. + */ +static irqreturn_t +fs_enet_interrupt(int irq, void *dev_id, struct pt_regs *regs) +{ + struct net_device *dev = dev_id; + struct fs_enet_private *fep; + const struct fs_platform_info *fpi; + u32 int_events; + u32 int_clr_events; + int nr, napi_ok; + int handled; + + fep = netdev_priv(dev); + fpi = fep->fpi; + + nr = 0; + while ((int_events = (*fep->ops->get_int_events)(dev)) != 0) { + + nr++; + + int_clr_events = int_events; + if (fpi->use_napi) + int_clr_events &= ~fep->ev_napi_rx; + + (*fep->ops->clear_int_events)(dev, int_clr_events); + + if (int_events & fep->ev_err) + (*fep->ops->ev_error)(dev, int_events); + + if (int_events & fep->ev_rx) { + if (!fpi->use_napi) + fs_enet_rx_non_napi(dev); + else { + napi_ok = netif_rx_schedule_prep(dev); + + (*fep->ops->napi_disable_rx)(dev); + (*fep->ops->clear_int_events)(dev, fep->ev_napi_rx); + + /* NOTE: it is possible for FCCs in NAPI mode */ + /* to submit a spurious interrupt while in poll */ + if (napi_ok) + __netif_rx_schedule(dev); + } + } + + if (int_events & fep->ev_tx) + fs_enet_tx(dev); + } + + handled = nr > 0; + return IRQ_RETVAL(handled); +} + +void fs_init_bds(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + cbd_t *bdp; + struct sk_buff *skb; + int i; + + fs_cleanup_bds(dev); + + fep->dirty_tx = fep->cur_tx = fep->tx_bd_base; + fep->tx_free = fep->tx_ring; + fep->cur_rx = fep->rx_bd_base; + + /* + * Initialize the receive buffer descriptors. + */ + for (i = 0, bdp = fep->rx_bd_base; i < fep->rx_ring; i++, bdp++) { + skb = dev_alloc_skb(ENET_RX_FRSIZE); + if (skb == NULL) { + printk(KERN_WARNING DRV_MODULE_NAME + ": %s Memory squeeze, unable to allocate skb\n", + dev->name); + break; + } + fep->rx_skbuff[i] = skb; + skb->dev = dev; + CBDW_BUFADDR(bdp, + dma_map_single(fep->dev, skb->data, + L1_CACHE_ALIGN(PKT_MAXBUF_SIZE), + DMA_FROM_DEVICE)); + CBDW_DATLEN(bdp, 0); /* zero */ + CBDW_SC(bdp, BD_ENET_RX_EMPTY | + ((i < fep->rx_ring - 1) ? 0 : BD_SC_WRAP)); + } + /* + * if we failed, fillup remainder + */ + for (; i < fep->rx_ring; i++, bdp++) { + fep->rx_skbuff[i] = NULL; + CBDW_SC(bdp, (i < fep->rx_ring - 1) ? 0 : BD_SC_WRAP); + } + + /* + * ...and the same for transmit. + */ + for (i = 0, bdp = fep->tx_bd_base; i < fep->tx_ring; i++, bdp++) { + fep->tx_skbuff[i] = NULL; + CBDW_BUFADDR(bdp, 0); + CBDW_DATLEN(bdp, 0); + CBDW_SC(bdp, (i < fep->tx_ring - 1) ? 0 : BD_SC_WRAP); + } +} + +void fs_cleanup_bds(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + struct sk_buff *skb; + int i; + + /* + * Reset SKB transmit buffers. + */ + for (i = 0; i < fep->tx_ring; i++) { + if ((skb = fep->tx_skbuff[i]) == NULL) + continue; + + /* unmap */ + dma_unmap_single(fep->dev, skb->data, skb->len, DMA_TO_DEVICE); + + fep->tx_skbuff[i] = NULL; + dev_kfree_skb(skb); + } + + /* + * Reset SKB receive buffers + */ + for (i = 0; i < fep->rx_ring; i++) { + if ((skb = fep->rx_skbuff[i]) == NULL) + continue; + + /* unmap */ + dma_unmap_single(fep->dev, skb->data, + L1_CACHE_ALIGN(PKT_MAXBUF_SIZE), + DMA_FROM_DEVICE); + + fep->rx_skbuff[i] = NULL; + + dev_kfree_skb(skb); + } +} + +/**********************************************************************************/ + +static int fs_enet_start_xmit(struct sk_buff *skb, struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + cbd_t *bdp; + int curidx; + u16 sc; + unsigned long flags; + + spin_lock_irqsave(&fep->tx_lock, flags); + + /* + * Fill in a Tx ring entry + */ + bdp = fep->cur_tx; + + if (!fep->tx_free || (CBDR_SC(bdp) & BD_ENET_TX_READY)) { + netif_stop_queue(dev); + spin_unlock_irqrestore(&fep->tx_lock, flags); + + /* + * Ooops. All transmit buffers are full. Bail out. + * This should not happen, since the tx queue should be stopped. + */ + printk(KERN_WARNING DRV_MODULE_NAME + ": %s tx queue full!.\n", dev->name); + return NETDEV_TX_BUSY; + } + + curidx = bdp - fep->tx_bd_base; + /* + * Clear all of the status flags. + */ + CBDC_SC(bdp, BD_ENET_TX_STATS); + + /* + * Save skb pointer. + */ + fep->tx_skbuff[curidx] = skb; + + fep->stats.tx_bytes += skb->len; + + /* + * Push the data cache so the CPM does not get stale memory data. + */ + CBDW_BUFADDR(bdp, dma_map_single(fep->dev, + skb->data, skb->len, DMA_TO_DEVICE)); + CBDW_DATLEN(bdp, skb->len); + + dev->trans_start = jiffies; + + /* + * If this was the last BD in the ring, start at the beginning again. + */ + if ((CBDR_SC(bdp) & BD_ENET_TX_WRAP) == 0) + fep->cur_tx++; + else + fep->cur_tx = fep->tx_bd_base; + + if (!--fep->tx_free) + netif_stop_queue(dev); + + /* Trigger transmission start */ + sc = BD_ENET_TX_READY | BD_ENET_TX_INTR | + BD_ENET_TX_LAST | BD_ENET_TX_TC; + + /* note that while FEC does not have this bit + * it marks it as available for software use + * yay for hw reuse :) */ + if (skb->len <= 60) + sc |= BD_ENET_TX_PAD; + CBDS_SC(bdp, sc); + + (*fep->ops->tx_kickstart)(dev); + + spin_unlock_irqrestore(&fep->tx_lock, flags); + + return NETDEV_TX_OK; +} + +static int fs_request_irq(struct net_device *dev, int irq, const char *name, + irqreturn_t (*irqf)(int irq, void *dev_id, struct pt_regs *regs)) +{ + struct fs_enet_private *fep = netdev_priv(dev); + + (*fep->ops->pre_request_irq)(dev, irq); + return request_irq(irq, irqf, SA_SHIRQ, name, dev); +} + +static void fs_free_irq(struct net_device *dev, int irq) +{ + struct fs_enet_private *fep = netdev_priv(dev); + + free_irq(irq, dev); + (*fep->ops->post_free_irq)(dev, irq); +} + +/**********************************************************************************/ + +/* This interrupt occurs when the PHY detects a link change. */ +static irqreturn_t +fs_mii_link_interrupt(int irq, void *dev_id, struct pt_regs *regs) +{ + struct net_device *dev = dev_id; + struct fs_enet_private *fep; + const struct fs_platform_info *fpi; + + fep = netdev_priv(dev); + fpi = fep->fpi; + + /* + * Acknowledge the interrupt if possible. If we have not + * found the PHY yet we can't process or acknowledge the + * interrupt now. Instead we ignore this interrupt for now, + * which we can do since it is edge triggered. It will be + * acknowledged later by fs_enet_open(). + */ + if (!fep->phy) + return IRQ_NONE; + + fs_mii_ack_int(dev); + fs_mii_link_status_change_check(dev, 0); + + return IRQ_HANDLED; +} + +static void fs_timeout(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + unsigned long flags; + int wake = 0; + + fep->stats.tx_errors++; + + spin_lock_irqsave(&fep->lock, flags); + + if (dev->flags & IFF_UP) { + (*fep->ops->stop)(dev); + (*fep->ops->restart)(dev); + } + + wake = fep->tx_free && !(CBDR_SC(fep->cur_tx) & BD_ENET_TX_READY); + spin_unlock_irqrestore(&fep->lock, flags); + + if (wake) + netif_wake_queue(dev); +} + +static int fs_enet_open(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + const struct fs_platform_info *fpi = fep->fpi; + int r; + + /* Install our interrupt handler. */ + r = fs_request_irq(dev, fep->interrupt, "fs_enet-mac", fs_enet_interrupt); + if (r != 0) { + printk(KERN_ERR DRV_MODULE_NAME + ": %s Could not allocate FEC IRQ!", dev->name); + return -EINVAL; + } + + /* Install our phy interrupt handler */ + if (fpi->phy_irq != -1) { + + r = fs_request_irq(dev, fpi->phy_irq, "fs_enet-phy", fs_mii_link_interrupt); + if (r != 0) { + printk(KERN_ERR DRV_MODULE_NAME + ": %s Could not allocate PHY IRQ!", dev->name); + fs_free_irq(dev, fep->interrupt); + return -EINVAL; + } + } + + fs_mii_startup(dev); + netif_carrier_off(dev); + fs_mii_link_status_change_check(dev, 1); + + return 0; +} + +static int fs_enet_close(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + const struct fs_platform_info *fpi = fep->fpi; + unsigned long flags; + + netif_stop_queue(dev); + netif_carrier_off(dev); + fs_mii_shutdown(dev); + + spin_lock_irqsave(&fep->lock, flags); + (*fep->ops->stop)(dev); + spin_unlock_irqrestore(&fep->lock, flags); + + /* release any irqs */ + if (fpi->phy_irq != -1) + fs_free_irq(dev, fpi->phy_irq); + fs_free_irq(dev, fep->interrupt); + + return 0; +} + +static struct net_device_stats *fs_enet_get_stats(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + return &fep->stats; +} + +/*************************************************************************/ + +static void fs_get_drvinfo(struct net_device *dev, + struct ethtool_drvinfo *info) +{ + strcpy(info->driver, DRV_MODULE_NAME); + strcpy(info->version, DRV_MODULE_VERSION); +} + +static int fs_get_regs_len(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + + return (*fep->ops->get_regs_len)(dev); +} + +static void fs_get_regs(struct net_device *dev, struct ethtool_regs *regs, + void *p) +{ + struct fs_enet_private *fep = netdev_priv(dev); + unsigned long flags; + int r, len; + + len = regs->len; + + spin_lock_irqsave(&fep->lock, flags); + r = (*fep->ops->get_regs)(dev, p, &len); + spin_unlock_irqrestore(&fep->lock, flags); + + if (r == 0) + regs->version = 0; +} + +static int fs_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct fs_enet_private *fep = netdev_priv(dev); + unsigned long flags; + int rc; + + spin_lock_irqsave(&fep->lock, flags); + rc = mii_ethtool_gset(&fep->mii_if, cmd); + spin_unlock_irqrestore(&fep->lock, flags); + + return rc; +} + +static int fs_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct fs_enet_private *fep = netdev_priv(dev); + unsigned long flags; + int rc; + + spin_lock_irqsave(&fep->lock, flags); + rc = mii_ethtool_sset(&fep->mii_if, cmd); + spin_unlock_irqrestore(&fep->lock, flags); + + return rc; +} + +static int fs_nway_reset(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + return mii_nway_restart(&fep->mii_if); +} + +static u32 fs_get_msglevel(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + return fep->msg_enable; +} + +static void fs_set_msglevel(struct net_device *dev, u32 value) +{ + struct fs_enet_private *fep = netdev_priv(dev); + fep->msg_enable = value; +} + +static struct ethtool_ops fs_ethtool_ops = { + .get_drvinfo = fs_get_drvinfo, + .get_regs_len = fs_get_regs_len, + .get_settings = fs_get_settings, + .set_settings = fs_set_settings, + .nway_reset = fs_nway_reset, + .get_link = ethtool_op_get_link, + .get_msglevel = fs_get_msglevel, + .set_msglevel = fs_set_msglevel, + .get_tx_csum = ethtool_op_get_tx_csum, + .set_tx_csum = ethtool_op_set_tx_csum, /* local! */ + .get_sg = ethtool_op_get_sg, + .set_sg = ethtool_op_set_sg, + .get_regs = fs_get_regs, +}; + +static int fs_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) +{ + struct fs_enet_private *fep = netdev_priv(dev); + struct mii_ioctl_data *mii = (struct mii_ioctl_data *)&rq->ifr_data; + unsigned long flags; + int rc; + + if (!netif_running(dev)) + return -EINVAL; + + spin_lock_irqsave(&fep->lock, flags); + rc = generic_mii_ioctl(&fep->mii_if, mii, cmd, NULL); + spin_unlock_irqrestore(&fep->lock, flags); + return rc; +} + +extern int fs_mii_connect(struct net_device *dev); +extern void fs_mii_disconnect(struct net_device *dev); + +static struct net_device *fs_init_instance(struct device *dev, + const struct fs_platform_info *fpi) +{ + struct net_device *ndev = NULL; + struct fs_enet_private *fep = NULL; + int privsize, i, r, err = 0, registered = 0; + + /* guard */ + if ((unsigned int)fpi->fs_no >= FS_MAX_INDEX) + return ERR_PTR(-EINVAL); + + privsize = sizeof(*fep) + (sizeof(struct sk_buff **) * + (fpi->rx_ring + fpi->tx_ring)); + + ndev = alloc_etherdev(privsize); + if (!ndev) { + err = -ENOMEM; + goto err; + } + SET_MODULE_OWNER(ndev); + + fep = netdev_priv(ndev); + memset(fep, 0, privsize); /* clear everything */ + + fep->dev = dev; + dev_set_drvdata(dev, ndev); + fep->fpi = fpi; + if (fpi->init_ioports) + fpi->init_ioports(); + +#ifdef CONFIG_FS_ENET_HAS_FEC + if (fs_get_fec_index(fpi->fs_no) >= 0) + fep->ops = &fs_fec_ops; +#endif + +#ifdef CONFIG_FS_ENET_HAS_SCC + if (fs_get_scc_index(fpi->fs_no) >=0 ) + fep->ops = &fs_scc_ops; +#endif + +#ifdef CONFIG_FS_ENET_HAS_FCC + if (fs_get_fcc_index(fpi->fs_no) >= 0) + fep->ops = &fs_fcc_ops; +#endif + + if (fep->ops == NULL) { + printk(KERN_ERR DRV_MODULE_NAME + ": %s No matching ops found (%d).\n", + ndev->name, fpi->fs_no); + err = -EINVAL; + goto err; + } + + r = (*fep->ops->setup_data)(ndev); + if (r != 0) { + printk(KERN_ERR DRV_MODULE_NAME + ": %s setup_data failed\n", + ndev->name); + err = r; + goto err; + } + + /* point rx_skbuff, tx_skbuff */ + fep->rx_skbuff = (struct sk_buff **)&fep[1]; + fep->tx_skbuff = fep->rx_skbuff + fpi->rx_ring; + + /* init locks */ + spin_lock_init(&fep->lock); + spin_lock_init(&fep->tx_lock); + + /* + * Set the Ethernet address. + */ + for (i = 0; i < 6; i++) + ndev->dev_addr[i] = fpi->macaddr[i]; + + r = (*fep->ops->allocate_bd)(ndev); + + if (fep->ring_base == NULL) { + printk(KERN_ERR DRV_MODULE_NAME + ": %s buffer descriptor alloc failed (%d).\n", ndev->name, r); + err = r; + goto err; + } + + /* + * Set receive and transmit descriptor base. + */ + fep->rx_bd_base = fep->ring_base; + fep->tx_bd_base = fep->rx_bd_base + fpi->rx_ring; + + /* initialize ring size variables */ + fep->tx_ring = fpi->tx_ring; + fep->rx_ring = fpi->rx_ring; + + /* + * The FEC Ethernet specific entries in the device structure. + */ + ndev->open = fs_enet_open; + ndev->hard_start_xmit = fs_enet_start_xmit; + ndev->tx_timeout = fs_timeout; + ndev->watchdog_timeo = 2 * HZ; + ndev->stop = fs_enet_close; + ndev->get_stats = fs_enet_get_stats; + ndev->set_multicast_list = fs_set_multicast_list; + if (fpi->use_napi) { + ndev->poll = fs_enet_rx_napi; + ndev->weight = fpi->napi_weight; + } + ndev->ethtool_ops = &fs_ethtool_ops; + ndev->do_ioctl = fs_ioctl; + + init_timer(&fep->phy_timer_list); + + netif_carrier_off(ndev); + + err = register_netdev(ndev); + if (err != 0) { + printk(KERN_ERR DRV_MODULE_NAME + ": %s register_netdev failed.\n", ndev->name); + goto err; + } + registered = 1; + + err = fs_mii_connect(ndev); + if (err != 0) { + printk(KERN_ERR DRV_MODULE_NAME + ": %s fs_mii_connect failed.\n", ndev->name); + goto err; + } + + return ndev; + + err: + if (ndev != NULL) { + + if (registered) + unregister_netdev(ndev); + + if (fep != NULL) { + (*fep->ops->free_bd)(ndev); + (*fep->ops->cleanup_data)(ndev); + } + + free_netdev(ndev); + } + + dev_set_drvdata(dev, NULL); + + return ERR_PTR(err); +} + +static int fs_cleanup_instance(struct net_device *ndev) +{ + struct fs_enet_private *fep; + const struct fs_platform_info *fpi; + struct device *dev; + + if (ndev == NULL) + return -EINVAL; + + fep = netdev_priv(ndev); + if (fep == NULL) + return -EINVAL; + + fpi = fep->fpi; + + fs_mii_disconnect(ndev); + + unregister_netdev(ndev); + + dma_free_coherent(fep->dev, (fpi->tx_ring + fpi->rx_ring) * sizeof(cbd_t), + fep->ring_base, fep->ring_mem_addr); + + /* reset it */ + (*fep->ops->cleanup_data)(ndev); + + dev = fep->dev; + if (dev != NULL) { + dev_set_drvdata(dev, NULL); + fep->dev = NULL; + } + + free_netdev(ndev); + + return 0; +} + +/**************************************************************************************/ + +/* handy pointer to the immap */ +void *fs_enet_immap = NULL; + +static int setup_immap(void) +{ + phys_addr_t paddr = 0; + unsigned long size = 0; + +#ifdef CONFIG_CPM1 + paddr = IMAP_ADDR; + size = 0x10000; /* map 64K */ +#endif + +#ifdef CONFIG_CPM2 + paddr = CPM_MAP_ADDR; + size = 0x40000; /* map 256 K */ +#endif + fs_enet_immap = ioremap(paddr, size); + if (fs_enet_immap == NULL) + return -EBADF; /* XXX ahem; maybe just BUG_ON? */ + + return 0; +} + +static void cleanup_immap(void) +{ + if (fs_enet_immap != NULL) { + iounmap(fs_enet_immap); + fs_enet_immap = NULL; + } +} + +/**************************************************************************************/ + +static int __devinit fs_enet_probe(struct device *dev) +{ + struct net_device *ndev; + + /* no fixup - no device */ + if (dev->platform_data == NULL) { + printk(KERN_INFO "fs_enet: " + "probe called with no platform data; " + "remove unused devices\n"); + return -ENODEV; + } + + ndev = fs_init_instance(dev, dev->platform_data); + if (IS_ERR(ndev)) + return PTR_ERR(ndev); + return 0; +} + +static int fs_enet_remove(struct device *dev) +{ + return fs_cleanup_instance(dev_get_drvdata(dev)); +} + +static struct device_driver fs_enet_fec_driver = { + .name = "fsl-cpm-fec", + .bus = &platform_bus_type, + .probe = fs_enet_probe, + .remove = fs_enet_remove, +#ifdef CONFIG_PM +/* .suspend = fs_enet_suspend, TODO */ +/* .resume = fs_enet_resume, TODO */ +#endif +}; + +static struct device_driver fs_enet_scc_driver = { + .name = "fsl-cpm-scc", + .bus = &platform_bus_type, + .probe = fs_enet_probe, + .remove = fs_enet_remove, +#ifdef CONFIG_PM +/* .suspend = fs_enet_suspend, TODO */ +/* .resume = fs_enet_resume, TODO */ +#endif +}; + +static struct device_driver fs_enet_fcc_driver = { + .name = "fsl-cpm-fcc", + .bus = &platform_bus_type, + .probe = fs_enet_probe, + .remove = fs_enet_remove, +#ifdef CONFIG_PM +/* .suspend = fs_enet_suspend, TODO */ +/* .resume = fs_enet_resume, TODO */ +#endif +}; + +static int __init fs_init(void) +{ + int r; + + printk(KERN_INFO + "%s", version); + + r = setup_immap(); + if (r != 0) + return r; + r = driver_register(&fs_enet_fec_driver); + if (r != 0) + goto err; + + r = driver_register(&fs_enet_fcc_driver); + if (r != 0) + goto err; + + r = driver_register(&fs_enet_scc_driver); + if (r != 0) + goto err; + + return 0; +err: + cleanup_immap(); + return r; + +} + +static void __exit fs_cleanup(void) +{ + driver_unregister(&fs_enet_fec_driver); + driver_unregister(&fs_enet_fcc_driver); + driver_unregister(&fs_enet_scc_driver); + cleanup_immap(); +} + +/**************************************************************************************/ + +module_init(fs_init); +module_exit(fs_cleanup); diff --git a/drivers/net/fs_enet/fs_enet-mii.c b/drivers/net/fs_enet/fs_enet-mii.c new file mode 100644 index 000000000000..c6770377ef87 --- /dev/null +++ b/drivers/net/fs_enet/fs_enet-mii.c @@ -0,0 +1,507 @@ +/* + * Combined Ethernet driver for Motorola MPC8xx and MPC82xx. + * + * Copyright (c) 2003 Intracom S.A. + * by Pantelis Antoniou <panto@intracom.gr> + * + * 2005 (c) MontaVista Software, Inc. + * Vitaly Bordug <vbordug@ru.mvista.com> + * + * Heavily based on original FEC driver by Dan Malek <dan@embeddededge.com> + * and modifications by Joakim Tjernlund <joakim.tjernlund@lumentis.se> + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + + +#include <linux/config.h> +#include <linux/module.h> +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/string.h> +#include <linux/ptrace.h> +#include <linux/errno.h> +#include <linux/ioport.h> +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/pci.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/skbuff.h> +#include <linux/spinlock.h> +#include <linux/mii.h> +#include <linux/ethtool.h> +#include <linux/bitops.h> + +#include <asm/pgtable.h> +#include <asm/irq.h> +#include <asm/uaccess.h> + +#include "fs_enet.h" + +/*************************************************/ + +/* + * Generic PHY support. + * Should work for all PHYs, but link change is detected by polling + */ + +static void generic_timer_callback(unsigned long data) +{ + struct net_device *dev = (struct net_device *)data; + struct fs_enet_private *fep = netdev_priv(dev); + + fep->phy_timer_list.expires = jiffies + HZ / 2; + + add_timer(&fep->phy_timer_list); + + fs_mii_link_status_change_check(dev, 0); +} + +static void generic_startup(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + + fep->phy_timer_list.expires = jiffies + HZ / 2; /* every 500ms */ + fep->phy_timer_list.data = (unsigned long)dev; + fep->phy_timer_list.function = generic_timer_callback; + add_timer(&fep->phy_timer_list); +} + +static void generic_shutdown(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + + del_timer_sync(&fep->phy_timer_list); +} + +/* ------------------------------------------------------------------------- */ +/* The Davicom DM9161 is used on the NETTA board */ + +/* register definitions */ + +#define MII_DM9161_ANAR 4 /* Aux. Config Register */ +#define MII_DM9161_ACR 16 /* Aux. Config Register */ +#define MII_DM9161_ACSR 17 /* Aux. Config/Status Register */ +#define MII_DM9161_10TCSR 18 /* 10BaseT Config/Status Reg. */ +#define MII_DM9161_INTR 21 /* Interrupt Register */ +#define MII_DM9161_RECR 22 /* Receive Error Counter Reg. */ +#define MII_DM9161_DISCR 23 /* Disconnect Counter Register */ + +static void dm9161_startup(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + + fs_mii_write(dev, fep->mii_if.phy_id, MII_DM9161_INTR, 0x0000); + /* Start autonegotiation */ + fs_mii_write(dev, fep->mii_if.phy_id, MII_BMCR, 0x1200); + + set_current_state(TASK_UNINTERRUPTIBLE); + schedule_timeout(HZ*8); +} + +static void dm9161_ack_int(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + + fs_mii_read(dev, fep->mii_if.phy_id, MII_DM9161_INTR); +} + +static void dm9161_shutdown(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + + fs_mii_write(dev, fep->mii_if.phy_id, MII_DM9161_INTR, 0x0f00); +} + +/**********************************************************************************/ + +static const struct phy_info phy_info[] = { + { + .id = 0x00181b88, + .name = "DM9161", + .startup = dm9161_startup, + .ack_int = dm9161_ack_int, + .shutdown = dm9161_shutdown, + }, { + .id = 0, + .name = "GENERIC", + .startup = generic_startup, + .shutdown = generic_shutdown, + }, +}; + +/**********************************************************************************/ + +static int phy_id_detect(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + const struct fs_platform_info *fpi = fep->fpi; + struct fs_enet_mii_bus *bus = fep->mii_bus; + int i, r, start, end, phytype, physubtype; + const struct phy_info *phy; + int phy_hwid, phy_id; + + phy_hwid = -1; + fep->phy = NULL; + + /* auto-detect? */ + if (fpi->phy_addr == -1) { + start = 1; + end = 32; + } else { /* direct */ + start = fpi->phy_addr; + end = start + 1; + } + + for (phy_id = start; phy_id < end; phy_id++) { + /* skip already used phy addresses on this bus */ + if (bus->usage_map & (1 << phy_id)) + continue; + r = fs_mii_read(dev, phy_id, MII_PHYSID1); + if (r == -1 || (phytype = (r & 0xffff)) == 0xffff) + continue; + r = fs_mii_read(dev, phy_id, MII_PHYSID2); + if (r == -1 || (physubtype = (r & 0xffff)) == 0xffff) + continue; + phy_hwid = (phytype << 16) | physubtype; + if (phy_hwid != -1) + break; + } + + if (phy_hwid == -1) { + printk(KERN_ERR DRV_MODULE_NAME + ": %s No PHY detected! range=0x%02x-0x%02x\n", + dev->name, start, end); + return -1; + } + + for (i = 0, phy = phy_info; i < ARRAY_SIZE(phy_info); i++, phy++) + if (phy->id == (phy_hwid >> 4) || phy->id == 0) + break; + + if (i >= ARRAY_SIZE(phy_info)) { + printk(KERN_ERR DRV_MODULE_NAME + ": %s PHY id 0x%08x is not supported!\n", + dev->name, phy_hwid); + return -1; + } + + fep->phy = phy; + + /* mark this address as used */ + bus->usage_map |= (1 << phy_id); + + printk(KERN_INFO DRV_MODULE_NAME + ": %s Phy @ 0x%x, type %s (0x%08x)%s\n", + dev->name, phy_id, fep->phy->name, phy_hwid, + fpi->phy_addr == -1 ? " (auto-detected)" : ""); + + return phy_id; +} + +void fs_mii_startup(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + + if (fep->phy->startup) + (*fep->phy->startup) (dev); +} + +void fs_mii_shutdown(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + + if (fep->phy->shutdown) + (*fep->phy->shutdown) (dev); +} + +void fs_mii_ack_int(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + + if (fep->phy->ack_int) + (*fep->phy->ack_int) (dev); +} + +#define MII_LINK 0x0001 +#define MII_HALF 0x0002 +#define MII_FULL 0x0004 +#define MII_BASE4 0x0008 +#define MII_10M 0x0010 +#define MII_100M 0x0020 +#define MII_1G 0x0040 +#define MII_10G 0x0080 + +/* return full mii info at one gulp, with a usable form */ +static unsigned int mii_full_status(struct mii_if_info *mii) +{ + unsigned int status; + int bmsr, adv, lpa, neg; + struct fs_enet_private* fep = netdev_priv(mii->dev); + + /* first, a dummy read, needed to latch some MII phys */ + (void)mii->mdio_read(mii->dev, mii->phy_id, MII_BMSR); + bmsr = mii->mdio_read(mii->dev, mii->phy_id, MII_BMSR); + + /* no link */ + if ((bmsr & BMSR_LSTATUS) == 0) + return 0; + + status = MII_LINK; + + /* Lets look what ANEG says if it's supported - otherwize we shall + take the right values from the platform info*/ + if(!mii->force_media) { + /* autoneg not completed; don't bother */ + if ((bmsr & BMSR_ANEGCOMPLETE) == 0) + return 0; + + adv = (*mii->mdio_read)(mii->dev, mii->phy_id, MII_ADVERTISE); + lpa = (*mii->mdio_read)(mii->dev, mii->phy_id, MII_LPA); + + neg = lpa & adv; + } else { + neg = fep->fpi->bus_info->lpa; + } + + if (neg & LPA_100FULL) + status |= MII_FULL | MII_100M; + else if (neg & LPA_100BASE4) + status |= MII_FULL | MII_BASE4 | MII_100M; + else if (neg & LPA_100HALF) + status |= MII_HALF | MII_100M; + else if (neg & LPA_10FULL) + status |= MII_FULL | MII_10M; + else + status |= MII_HALF | MII_10M; + + return status; +} + +void fs_mii_link_status_change_check(struct net_device *dev, int init_media) +{ + struct fs_enet_private *fep = netdev_priv(dev); + struct mii_if_info *mii = &fep->mii_if; + unsigned int mii_status; + int ok_to_print, link, duplex, speed; + unsigned long flags; + + ok_to_print = netif_msg_link(fep); + + mii_status = mii_full_status(mii); + + if (!init_media && mii_status == fep->last_mii_status) + return; + + fep->last_mii_status = mii_status; + + link = !!(mii_status & MII_LINK); + duplex = !!(mii_status & MII_FULL); + speed = (mii_status & MII_100M) ? 100 : 10; + + if (link == 0) { + netif_carrier_off(mii->dev); + netif_stop_queue(dev); + if (!init_media) { + spin_lock_irqsave(&fep->lock, flags); + (*fep->ops->stop)(dev); + spin_unlock_irqrestore(&fep->lock, flags); + } + + if (ok_to_print) + printk(KERN_INFO "%s: link down\n", mii->dev->name); + + } else { + + mii->full_duplex = duplex; + + netif_carrier_on(mii->dev); + + spin_lock_irqsave(&fep->lock, flags); + fep->duplex = duplex; + fep->speed = speed; + (*fep->ops->restart)(dev); + spin_unlock_irqrestore(&fep->lock, flags); + + netif_start_queue(dev); + + if (ok_to_print) + printk(KERN_INFO "%s: link up, %dMbps, %s-duplex\n", + dev->name, speed, duplex ? "full" : "half"); + } +} + +/**********************************************************************************/ + +int fs_mii_read(struct net_device *dev, int phy_id, int location) +{ + struct fs_enet_private *fep = netdev_priv(dev); + struct fs_enet_mii_bus *bus = fep->mii_bus; + + unsigned long flags; + int ret; + + spin_lock_irqsave(&bus->mii_lock, flags); + ret = (*bus->mii_read)(bus, phy_id, location); + spin_unlock_irqrestore(&bus->mii_lock, flags); + + return ret; +} + +void fs_mii_write(struct net_device *dev, int phy_id, int location, int value) +{ + struct fs_enet_private *fep = netdev_priv(dev); + struct fs_enet_mii_bus *bus = fep->mii_bus; + unsigned long flags; + + spin_lock_irqsave(&bus->mii_lock, flags); + (*bus->mii_write)(bus, phy_id, location, value); + spin_unlock_irqrestore(&bus->mii_lock, flags); +} + +/*****************************************************************************/ + +/* list of all registered mii buses */ +static LIST_HEAD(fs_mii_bus_list); + +static struct fs_enet_mii_bus *lookup_bus(int method, int id) +{ + struct list_head *ptr; + struct fs_enet_mii_bus *bus; + + list_for_each(ptr, &fs_mii_bus_list) { + bus = list_entry(ptr, struct fs_enet_mii_bus, list); + if (bus->bus_info->method == method && + bus->bus_info->id == id) + return bus; + } + return NULL; +} + +static struct fs_enet_mii_bus *create_bus(const struct fs_mii_bus_info *bi) +{ + struct fs_enet_mii_bus *bus; + int ret = 0; + + bus = kmalloc(sizeof(*bus), GFP_KERNEL); + if (bus == NULL) { + ret = -ENOMEM; + goto err; + } + memset(bus, 0, sizeof(*bus)); + spin_lock_init(&bus->mii_lock); + bus->bus_info = bi; + bus->refs = 0; + bus->usage_map = 0; + + /* perform initialization */ + switch (bi->method) { + + case fsmii_fixed: + ret = fs_mii_fixed_init(bus); + if (ret != 0) + goto err; + break; + + case fsmii_bitbang: + ret = fs_mii_bitbang_init(bus); + if (ret != 0) + goto err; + break; +#ifdef CONFIG_FS_ENET_HAS_FEC + case fsmii_fec: + ret = fs_mii_fec_init(bus); + if (ret != 0) + goto err; + break; +#endif + default: + ret = -EINVAL; + goto err; + } + + list_add(&bus->list, &fs_mii_bus_list); + + return bus; + +err: + if (bus) + kfree(bus); + return ERR_PTR(ret); +} + +static void destroy_bus(struct fs_enet_mii_bus *bus) +{ + /* remove from bus list */ + list_del(&bus->list); + + /* nothing more needed */ + kfree(bus); +} + +int fs_mii_connect(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + const struct fs_platform_info *fpi = fep->fpi; + struct fs_enet_mii_bus *bus = NULL; + + /* check method validity */ + switch (fpi->bus_info->method) { + case fsmii_fixed: + case fsmii_bitbang: + break; +#ifdef CONFIG_FS_ENET_HAS_FEC + case fsmii_fec: + break; +#endif + default: + printk(KERN_ERR DRV_MODULE_NAME + ": %s Unknown MII bus method (%d)!\n", + dev->name, fpi->bus_info->method); + return -EINVAL; + } + + bus = lookup_bus(fpi->bus_info->method, fpi->bus_info->id); + + /* if not found create new bus */ + if (bus == NULL) { + bus = create_bus(fpi->bus_info); + if (IS_ERR(bus)) { + printk(KERN_ERR DRV_MODULE_NAME + ": %s MII bus creation failure!\n", dev->name); + return PTR_ERR(bus); + } + } + + bus->refs++; + + fep->mii_bus = bus; + + fep->mii_if.dev = dev; + fep->mii_if.phy_id_mask = 0x1f; + fep->mii_if.reg_num_mask = 0x1f; + fep->mii_if.mdio_read = fs_mii_read; + fep->mii_if.mdio_write = fs_mii_write; + fep->mii_if.force_media = fpi->bus_info->disable_aneg; + fep->mii_if.phy_id = phy_id_detect(dev); + + return 0; +} + +void fs_mii_disconnect(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + struct fs_enet_mii_bus *bus = NULL; + + bus = fep->mii_bus; + fep->mii_bus = NULL; + + if (--bus->refs <= 0) + destroy_bus(bus); +} diff --git a/drivers/net/fs_enet/fs_enet.h b/drivers/net/fs_enet/fs_enet.h new file mode 100644 index 000000000000..1105543b9d88 --- /dev/null +++ b/drivers/net/fs_enet/fs_enet.h @@ -0,0 +1,245 @@ +#ifndef FS_ENET_H +#define FS_ENET_H + +#include <linux/mii.h> +#include <linux/netdevice.h> +#include <linux/types.h> +#include <linux/version.h> +#include <linux/list.h> + +#include <linux/fs_enet_pd.h> + +#include <asm/dma-mapping.h> + +#ifdef CONFIG_CPM1 +#include <asm/commproc.h> +#endif + +#ifdef CONFIG_CPM2 +#include <asm/cpm2.h> +#endif + +/* hw driver ops */ +struct fs_ops { + int (*setup_data)(struct net_device *dev); + int (*allocate_bd)(struct net_device *dev); + void (*free_bd)(struct net_device *dev); + void (*cleanup_data)(struct net_device *dev); + void (*set_multicast_list)(struct net_device *dev); + void (*restart)(struct net_device *dev); + void (*stop)(struct net_device *dev); + void (*pre_request_irq)(struct net_device *dev, int irq); + void (*post_free_irq)(struct net_device *dev, int irq); + void (*napi_clear_rx_event)(struct net_device *dev); + void (*napi_enable_rx)(struct net_device *dev); + void (*napi_disable_rx)(struct net_device *dev); + void (*rx_bd_done)(struct net_device *dev); + void (*tx_kickstart)(struct net_device *dev); + u32 (*get_int_events)(struct net_device *dev); + void (*clear_int_events)(struct net_device *dev, u32 int_events); + void (*ev_error)(struct net_device *dev, u32 int_events); + int (*get_regs)(struct net_device *dev, void *p, int *sizep); + int (*get_regs_len)(struct net_device *dev); + void (*tx_restart)(struct net_device *dev); +}; + +struct phy_info { + unsigned int id; + const char *name; + void (*startup) (struct net_device * dev); + void (*shutdown) (struct net_device * dev); + void (*ack_int) (struct net_device * dev); +}; + +/* The FEC stores dest/src/type, data, and checksum for receive packets. + */ +#define MAX_MTU 1508 /* Allow fullsized pppoe packets over VLAN */ +#define MIN_MTU 46 /* this is data size */ +#define CRC_LEN 4 + +#define PKT_MAXBUF_SIZE (MAX_MTU+ETH_HLEN+CRC_LEN) +#define PKT_MINBUF_SIZE (MIN_MTU+ETH_HLEN+CRC_LEN) + +/* Must be a multiple of 32 (to cover both FEC & FCC) */ +#define PKT_MAXBLR_SIZE ((PKT_MAXBUF_SIZE + 31) & ~31) +/* This is needed so that invalidate_xxx wont invalidate too much */ +#define ENET_RX_FRSIZE L1_CACHE_ALIGN(PKT_MAXBUF_SIZE) + +struct fs_enet_mii_bus { + struct list_head list; + spinlock_t mii_lock; + const struct fs_mii_bus_info *bus_info; + int refs; + u32 usage_map; + + int (*mii_read)(struct fs_enet_mii_bus *bus, + int phy_id, int location); + + void (*mii_write)(struct fs_enet_mii_bus *bus, + int phy_id, int location, int value); + + union { + struct { + unsigned int mii_speed; + void *fecp; + } fec; + + struct { + /* note that the actual port size may */ + /* be different; cpm(s) handle it OK */ + u8 mdio_msk; + u8 *mdio_dir; + u8 *mdio_dat; + u8 mdc_msk; + u8 *mdc_dir; + u8 *mdc_dat; + } bitbang; + + struct { + u16 lpa; + } fixed; + }; +}; + +int fs_mii_bitbang_init(struct fs_enet_mii_bus *bus); +int fs_mii_fixed_init(struct fs_enet_mii_bus *bus); +int fs_mii_fec_init(struct fs_enet_mii_bus *bus); + +struct fs_enet_private { + struct device *dev; /* pointer back to the device (must be initialized first) */ + spinlock_t lock; /* during all ops except TX pckt processing */ + spinlock_t tx_lock; /* during fs_start_xmit and fs_tx */ + const struct fs_platform_info *fpi; + const struct fs_ops *ops; + int rx_ring, tx_ring; + dma_addr_t ring_mem_addr; + void *ring_base; + struct sk_buff **rx_skbuff; + struct sk_buff **tx_skbuff; + cbd_t *rx_bd_base; /* Address of Rx and Tx buffers. */ + cbd_t *tx_bd_base; + cbd_t *dirty_tx; /* ring entries to be free()ed. */ + cbd_t *cur_rx; + cbd_t *cur_tx; + int tx_free; + struct net_device_stats stats; + struct timer_list phy_timer_list; + const struct phy_info *phy; + u32 msg_enable; + struct mii_if_info mii_if; + unsigned int last_mii_status; + struct fs_enet_mii_bus *mii_bus; + int interrupt; + + int duplex, speed; /* current settings */ + + /* event masks */ + u32 ev_napi_rx; /* mask of NAPI rx events */ + u32 ev_rx; /* rx event mask */ + u32 ev_tx; /* tx event mask */ + u32 ev_err; /* error event mask */ + + u16 bd_rx_empty; /* mask of BD rx empty */ + u16 bd_rx_err; /* mask of BD rx errors */ + + union { + struct { + int idx; /* FEC1 = 0, FEC2 = 1 */ + void *fecp; /* hw registers */ + u32 hthi, htlo; /* state for multicast */ + } fec; + + struct { + int idx; /* FCC1-3 = 0-2 */ + void *fccp; /* hw registers */ + void *ep; /* parameter ram */ + void *fcccp; /* hw registers cont. */ + void *mem; /* FCC DPRAM */ + u32 gaddrh, gaddrl; /* group address */ + } fcc; + + struct { + int idx; /* FEC1 = 0, FEC2 = 1 */ + void *sccp; /* hw registers */ + void *ep; /* parameter ram */ + u32 hthi, htlo; /* state for multicast */ + } scc; + + }; +}; + +/***************************************************************************/ + +int fs_mii_read(struct net_device *dev, int phy_id, int location); +void fs_mii_write(struct net_device *dev, int phy_id, int location, int value); + +void fs_mii_startup(struct net_device *dev); +void fs_mii_shutdown(struct net_device *dev); +void fs_mii_ack_int(struct net_device *dev); + +void fs_mii_link_status_change_check(struct net_device *dev, int init_media); + +void fs_init_bds(struct net_device *dev); +void fs_cleanup_bds(struct net_device *dev); + +/***************************************************************************/ + +#define DRV_MODULE_NAME "fs_enet" +#define PFX DRV_MODULE_NAME ": " +#define DRV_MODULE_VERSION "1.0" +#define DRV_MODULE_RELDATE "Aug 8, 2005" + +/***************************************************************************/ + +int fs_enet_platform_init(void); +void fs_enet_platform_cleanup(void); + +/***************************************************************************/ + +/* buffer descriptor access macros */ + +/* access macros */ +#if defined(CONFIG_CPM1) +/* for a a CPM1 __raw_xxx's are sufficient */ +#define __cbd_out32(addr, x) __raw_writel(x, addr) +#define __cbd_out16(addr, x) __raw_writew(x, addr) +#define __cbd_in32(addr) __raw_readl(addr) +#define __cbd_in16(addr) __raw_readw(addr) +#else +/* for others play it safe */ +#define __cbd_out32(addr, x) out_be32(addr, x) +#define __cbd_out16(addr, x) out_be16(addr, x) +#define __cbd_in32(addr) in_be32(addr) +#define __cbd_in16(addr) in_be16(addr) +#endif + +/* write */ +#define CBDW_SC(_cbd, _sc) __cbd_out16(&(_cbd)->cbd_sc, (_sc)) +#define CBDW_DATLEN(_cbd, _datlen) __cbd_out16(&(_cbd)->cbd_datlen, (_datlen)) +#define CBDW_BUFADDR(_cbd, _bufaddr) __cbd_out32(&(_cbd)->cbd_bufaddr, (_bufaddr)) + +/* read */ +#define CBDR_SC(_cbd) __cbd_in16(&(_cbd)->cbd_sc) +#define CBDR_DATLEN(_cbd) __cbd_in16(&(_cbd)->cbd_datlen) +#define CBDR_BUFADDR(_cbd) __cbd_in32(&(_cbd)->cbd_bufaddr) + +/* set bits */ +#define CBDS_SC(_cbd, _sc) CBDW_SC(_cbd, CBDR_SC(_cbd) | (_sc)) + +/* clear bits */ +#define CBDC_SC(_cbd, _sc) CBDW_SC(_cbd, CBDR_SC(_cbd) & ~(_sc)) + +/*******************************************************************/ + +extern const struct fs_ops fs_fec_ops; +extern const struct fs_ops fs_fcc_ops; +extern const struct fs_ops fs_scc_ops; + +/*******************************************************************/ + +/* handy pointer to the immap */ +extern void *fs_enet_immap; + +/*******************************************************************/ + +#endif diff --git a/drivers/net/fs_enet/mac-fcc.c b/drivers/net/fs_enet/mac-fcc.c new file mode 100644 index 000000000000..a940b96433c7 --- /dev/null +++ b/drivers/net/fs_enet/mac-fcc.c @@ -0,0 +1,578 @@ +/* + * FCC driver for Motorola MPC82xx (PQ2). + * + * Copyright (c) 2003 Intracom S.A. + * by Pantelis Antoniou <panto@intracom.gr> + * + * 2005 (c) MontaVista Software, Inc. + * Vitaly Bordug <vbordug@ru.mvista.com> + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +#include <linux/config.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/sched.h> +#include <linux/string.h> +#include <linux/ptrace.h> +#include <linux/errno.h> +#include <linux/ioport.h> +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/pci.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/skbuff.h> +#include <linux/spinlock.h> +#include <linux/mii.h> +#include <linux/ethtool.h> +#include <linux/bitops.h> +#include <linux/fs.h> + +#include <asm/immap_cpm2.h> +#include <asm/mpc8260.h> +#include <asm/cpm2.h> + +#include <asm/pgtable.h> +#include <asm/irq.h> +#include <asm/uaccess.h> + +#include "fs_enet.h" + +/*************************************************/ + +/* FCC access macros */ + +#define __fcc_out32(addr, x) out_be32((unsigned *)addr, x) +#define __fcc_out16(addr, x) out_be16((unsigned short *)addr, x) +#define __fcc_out8(addr, x) out_8((unsigned char *)addr, x) +#define __fcc_in32(addr) in_be32((unsigned *)addr) +#define __fcc_in16(addr) in_be16((unsigned short *)addr) +#define __fcc_in8(addr) in_8((unsigned char *)addr) + +/* parameter space */ + +/* write, read, set bits, clear bits */ +#define W32(_p, _m, _v) __fcc_out32(&(_p)->_m, (_v)) +#define R32(_p, _m) __fcc_in32(&(_p)->_m) +#define S32(_p, _m, _v) W32(_p, _m, R32(_p, _m) | (_v)) +#define C32(_p, _m, _v) W32(_p, _m, R32(_p, _m) & ~(_v)) + +#define W16(_p, _m, _v) __fcc_out16(&(_p)->_m, (_v)) +#define R16(_p, _m) __fcc_in16(&(_p)->_m) +#define S16(_p, _m, _v) W16(_p, _m, R16(_p, _m) | (_v)) +#define C16(_p, _m, _v) W16(_p, _m, R16(_p, _m) & ~(_v)) + +#define W8(_p, _m, _v) __fcc_out8(&(_p)->_m, (_v)) +#define R8(_p, _m) __fcc_in8(&(_p)->_m) +#define S8(_p, _m, _v) W8(_p, _m, R8(_p, _m) | (_v)) +#define C8(_p, _m, _v) W8(_p, _m, R8(_p, _m) & ~(_v)) + +/*************************************************/ + +#define FCC_MAX_MULTICAST_ADDRS 64 + +#define mk_mii_read(REG) (0x60020000 | ((REG & 0x1f) << 18)) +#define mk_mii_write(REG, VAL) (0x50020000 | ((REG & 0x1f) << 18) | (VAL & 0xffff)) +#define mk_mii_end 0 + +#define MAX_CR_CMD_LOOPS 10000 + +static inline int fcc_cr_cmd(struct fs_enet_private *fep, u32 mcn, u32 op) +{ + const struct fs_platform_info *fpi = fep->fpi; + + cpm2_map_t *immap = fs_enet_immap; + cpm_cpm2_t *cpmp = &immap->im_cpm; + u32 v; + int i; + + /* Currently I don't know what feature call will look like. But + I guess there'd be something like do_cpm_cmd() which will require page & sblock */ + v = mk_cr_cmd(fpi->cp_page, fpi->cp_block, mcn, op); + W32(cpmp, cp_cpcr, v | CPM_CR_FLG); + for (i = 0; i < MAX_CR_CMD_LOOPS; i++) + if ((R32(cpmp, cp_cpcr) & CPM_CR_FLG) == 0) + break; + + if (i >= MAX_CR_CMD_LOOPS) { + printk(KERN_ERR "%s(): Not able to issue CPM command\n", + __FUNCTION__); + return 1; + } + + return 0; +} + +static int do_pd_setup(struct fs_enet_private *fep) +{ + struct platform_device *pdev = to_platform_device(fep->dev); + struct resource *r; + + /* Fill out IRQ field */ + fep->interrupt = platform_get_irq(pdev, 0); + + /* Attach the memory for the FCC Parameter RAM */ + r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "fcc_pram"); + fep->fcc.ep = (void *)r->start; + + if (fep->fcc.ep == NULL) + return -EINVAL; + + r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "fcc_regs"); + fep->fcc.fccp = (void *)r->start; + + if (fep->fcc.fccp == NULL) + return -EINVAL; + + fep->fcc.fcccp = (void *)fep->fpi->fcc_regs_c; + + if (fep->fcc.fcccp == NULL) + return -EINVAL; + + return 0; +} + +#define FCC_NAPI_RX_EVENT_MSK (FCC_ENET_RXF | FCC_ENET_RXB) +#define FCC_RX_EVENT (FCC_ENET_RXF) +#define FCC_TX_EVENT (FCC_ENET_TXB) +#define FCC_ERR_EVENT_MSK (FCC_ENET_TXE | FCC_ENET_BSY) + +static int setup_data(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + const struct fs_platform_info *fpi = fep->fpi; + + fep->fcc.idx = fs_get_fcc_index(fpi->fs_no); + if ((unsigned int)fep->fcc.idx >= 3) /* max 3 FCCs */ + return -EINVAL; + + fep->fcc.mem = (void *)fpi->mem_offset; + + if (do_pd_setup(fep) != 0) + return -EINVAL; + + fep->ev_napi_rx = FCC_NAPI_RX_EVENT_MSK; + fep->ev_rx = FCC_RX_EVENT; + fep->ev_tx = FCC_TX_EVENT; + fep->ev_err = FCC_ERR_EVENT_MSK; + + return 0; +} + +static int allocate_bd(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + const struct fs_platform_info *fpi = fep->fpi; + + fep->ring_base = dma_alloc_coherent(fep->dev, + (fpi->tx_ring + fpi->rx_ring) * + sizeof(cbd_t), &fep->ring_mem_addr, + GFP_KERNEL); + if (fep->ring_base == NULL) + return -ENOMEM; + + return 0; +} + +static void free_bd(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + const struct fs_platform_info *fpi = fep->fpi; + + if (fep->ring_base) + dma_free_coherent(fep->dev, + (fpi->tx_ring + fpi->rx_ring) * sizeof(cbd_t), + fep->ring_base, fep->ring_mem_addr); +} + +static void cleanup_data(struct net_device *dev) +{ + /* nothing */ +} + +static void set_promiscuous_mode(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + fcc_t *fccp = fep->fcc.fccp; + + S32(fccp, fcc_fpsmr, FCC_PSMR_PRO); +} + +static void set_multicast_start(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + fcc_enet_t *ep = fep->fcc.ep; + + W32(ep, fen_gaddrh, 0); + W32(ep, fen_gaddrl, 0); +} + +static void set_multicast_one(struct net_device *dev, const u8 *mac) +{ + struct fs_enet_private *fep = netdev_priv(dev); + fcc_enet_t *ep = fep->fcc.ep; + u16 taddrh, taddrm, taddrl; + + taddrh = ((u16)mac[5] << 8) | mac[4]; + taddrm = ((u16)mac[3] << 8) | mac[2]; + taddrl = ((u16)mac[1] << 8) | mac[0]; + + W16(ep, fen_taddrh, taddrh); + W16(ep, fen_taddrm, taddrm); + W16(ep, fen_taddrl, taddrl); + fcc_cr_cmd(fep, 0x0C, CPM_CR_SET_GADDR); +} + +static void set_multicast_finish(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + fcc_t *fccp = fep->fcc.fccp; + fcc_enet_t *ep = fep->fcc.ep; + + /* clear promiscuous always */ + C32(fccp, fcc_fpsmr, FCC_PSMR_PRO); + + /* if all multi or too many multicasts; just enable all */ + if ((dev->flags & IFF_ALLMULTI) != 0 || + dev->mc_count > FCC_MAX_MULTICAST_ADDRS) { + + W32(ep, fen_gaddrh, 0xffffffff); + W32(ep, fen_gaddrl, 0xffffffff); + } + + /* read back */ + fep->fcc.gaddrh = R32(ep, fen_gaddrh); + fep->fcc.gaddrl = R32(ep, fen_gaddrl); +} + +static void set_multicast_list(struct net_device *dev) +{ + struct dev_mc_list *pmc; + + if ((dev->flags & IFF_PROMISC) == 0) { + set_multicast_start(dev); + for (pmc = dev->mc_list; pmc != NULL; pmc = pmc->next) + set_multicast_one(dev, pmc->dmi_addr); + set_multicast_finish(dev); + } else + set_promiscuous_mode(dev); +} + +static void restart(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + const struct fs_platform_info *fpi = fep->fpi; + fcc_t *fccp = fep->fcc.fccp; + fcc_c_t *fcccp = fep->fcc.fcccp; + fcc_enet_t *ep = fep->fcc.ep; + dma_addr_t rx_bd_base_phys, tx_bd_base_phys; + u16 paddrh, paddrm, paddrl; + u16 mem_addr; + const unsigned char *mac; + int i; + + C32(fccp, fcc_gfmr, FCC_GFMR_ENR | FCC_GFMR_ENT); + + /* clear everything (slow & steady does it) */ + for (i = 0; i < sizeof(*ep); i++) + __fcc_out8((char *)ep + i, 0); + + /* get physical address */ + rx_bd_base_phys = fep->ring_mem_addr; + tx_bd_base_phys = rx_bd_base_phys + sizeof(cbd_t) * fpi->rx_ring; + + /* point to bds */ + W32(ep, fen_genfcc.fcc_rbase, rx_bd_base_phys); + W32(ep, fen_genfcc.fcc_tbase, tx_bd_base_phys); + + /* Set maximum bytes per receive buffer. + * It must be a multiple of 32. + */ + W16(ep, fen_genfcc.fcc_mrblr, PKT_MAXBLR_SIZE); + + W32(ep, fen_genfcc.fcc_rstate, (CPMFCR_GBL | CPMFCR_EB) << 24); + W32(ep, fen_genfcc.fcc_tstate, (CPMFCR_GBL | CPMFCR_EB) << 24); + + /* Allocate space in the reserved FCC area of DPRAM for the + * internal buffers. No one uses this space (yet), so we + * can do this. Later, we will add resource management for + * this area. + */ + + mem_addr = (u32) fep->fcc.mem; /* de-fixup dpram offset */ + + W16(ep, fen_genfcc.fcc_riptr, (mem_addr & 0xffff)); + W16(ep, fen_genfcc.fcc_tiptr, ((mem_addr + 32) & 0xffff)); + W16(ep, fen_padptr, mem_addr + 64); + + /* fill with special symbol... */ + memset(fep->fcc.mem + fpi->dpram_offset + 64, 0x88, 32); + + W32(ep, fen_genfcc.fcc_rbptr, 0); + W32(ep, fen_genfcc.fcc_tbptr, 0); + W32(ep, fen_genfcc.fcc_rcrc, 0); + W32(ep, fen_genfcc.fcc_tcrc, 0); + W16(ep, fen_genfcc.fcc_res1, 0); + W32(ep, fen_genfcc.fcc_res2, 0); + + /* no CAM */ + W32(ep, fen_camptr, 0); + + /* Set CRC preset and mask */ + W32(ep, fen_cmask, 0xdebb20e3); + W32(ep, fen_cpres, 0xffffffff); + + W32(ep, fen_crcec, 0); /* CRC Error counter */ + W32(ep, fen_alec, 0); /* alignment error counter */ + W32(ep, fen_disfc, 0); /* discard frame counter */ + W16(ep, fen_retlim, 15); /* Retry limit threshold */ + W16(ep, fen_pper, 0); /* Normal persistence */ + + /* set group address */ + W32(ep, fen_gaddrh, fep->fcc.gaddrh); + W32(ep, fen_gaddrl, fep->fcc.gaddrh); + + /* Clear hash filter tables */ + W32(ep, fen_iaddrh, 0); + W32(ep, fen_iaddrl, 0); + + /* Clear the Out-of-sequence TxBD */ + W16(ep, fen_tfcstat, 0); + W16(ep, fen_tfclen, 0); + W32(ep, fen_tfcptr, 0); + + W16(ep, fen_mflr, PKT_MAXBUF_SIZE); /* maximum frame length register */ + W16(ep, fen_minflr, PKT_MINBUF_SIZE); /* minimum frame length register */ + + /* set address */ + mac = dev->dev_addr; + paddrh = ((u16)mac[5] << 8) | mac[4]; + paddrm = ((u16)mac[3] << 8) | mac[2]; + paddrl = ((u16)mac[1] << 8) | mac[0]; + + W16(ep, fen_paddrh, paddrh); + W16(ep, fen_paddrm, paddrm); + W16(ep, fen_paddrl, paddrl); + + W16(ep, fen_taddrh, 0); + W16(ep, fen_taddrm, 0); + W16(ep, fen_taddrl, 0); + + W16(ep, fen_maxd1, 1520); /* maximum DMA1 length */ + W16(ep, fen_maxd2, 1520); /* maximum DMA2 length */ + + /* Clear stat counters, in case we ever enable RMON */ + W32(ep, fen_octc, 0); + W32(ep, fen_colc, 0); + W32(ep, fen_broc, 0); + W32(ep, fen_mulc, 0); + W32(ep, fen_uspc, 0); + W32(ep, fen_frgc, 0); + W32(ep, fen_ospc, 0); + W32(ep, fen_jbrc, 0); + W32(ep, fen_p64c, 0); + W32(ep, fen_p65c, 0); + W32(ep, fen_p128c, 0); + W32(ep, fen_p256c, 0); + W32(ep, fen_p512c, 0); + W32(ep, fen_p1024c, 0); + + W16(ep, fen_rfthr, 0); /* Suggested by manual */ + W16(ep, fen_rfcnt, 0); + W16(ep, fen_cftype, 0); + + fs_init_bds(dev); + + /* adjust to speed (for RMII mode) */ + if (fpi->use_rmii) { + if (fep->speed == 100) + C8(fcccp, fcc_gfemr, 0x20); + else + S8(fcccp, fcc_gfemr, 0x20); + } + + fcc_cr_cmd(fep, 0x0c, CPM_CR_INIT_TRX); + + /* clear events */ + W16(fccp, fcc_fcce, 0xffff); + + /* Enable interrupts we wish to service */ + W16(fccp, fcc_fccm, FCC_ENET_TXE | FCC_ENET_RXF | FCC_ENET_TXB); + + /* Set GFMR to enable Ethernet operating mode */ + W32(fccp, fcc_gfmr, FCC_GFMR_TCI | FCC_GFMR_MODE_ENET); + + /* set sync/delimiters */ + W16(fccp, fcc_fdsr, 0xd555); + + W32(fccp, fcc_fpsmr, FCC_PSMR_ENCRC); + + if (fpi->use_rmii) + S32(fccp, fcc_fpsmr, FCC_PSMR_RMII); + + /* adjust to duplex mode */ + if (fep->duplex) + S32(fccp, fcc_fpsmr, FCC_PSMR_FDE | FCC_PSMR_LPB); + else + C32(fccp, fcc_fpsmr, FCC_PSMR_FDE | FCC_PSMR_LPB); + + S32(fccp, fcc_gfmr, FCC_GFMR_ENR | FCC_GFMR_ENT); +} + +static void stop(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + fcc_t *fccp = fep->fcc.fccp; + + /* stop ethernet */ + C32(fccp, fcc_gfmr, FCC_GFMR_ENR | FCC_GFMR_ENT); + + /* clear events */ + W16(fccp, fcc_fcce, 0xffff); + + /* clear interrupt mask */ + W16(fccp, fcc_fccm, 0); + + fs_cleanup_bds(dev); +} + +static void pre_request_irq(struct net_device *dev, int irq) +{ + /* nothing */ +} + +static void post_free_irq(struct net_device *dev, int irq) +{ + /* nothing */ +} + +static void napi_clear_rx_event(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + fcc_t *fccp = fep->fcc.fccp; + + W16(fccp, fcc_fcce, FCC_NAPI_RX_EVENT_MSK); +} + +static void napi_enable_rx(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + fcc_t *fccp = fep->fcc.fccp; + + S16(fccp, fcc_fccm, FCC_NAPI_RX_EVENT_MSK); +} + +static void napi_disable_rx(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + fcc_t *fccp = fep->fcc.fccp; + + C16(fccp, fcc_fccm, FCC_NAPI_RX_EVENT_MSK); +} + +static void rx_bd_done(struct net_device *dev) +{ + /* nothing */ +} + +static void tx_kickstart(struct net_device *dev) +{ + /* nothing */ +} + +static u32 get_int_events(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + fcc_t *fccp = fep->fcc.fccp; + + return (u32)R16(fccp, fcc_fcce); +} + +static void clear_int_events(struct net_device *dev, u32 int_events) +{ + struct fs_enet_private *fep = netdev_priv(dev); + fcc_t *fccp = fep->fcc.fccp; + + W16(fccp, fcc_fcce, int_events & 0xffff); +} + +static void ev_error(struct net_device *dev, u32 int_events) +{ + printk(KERN_WARNING DRV_MODULE_NAME + ": %s FS_ENET ERROR(s) 0x%x\n", dev->name, int_events); +} + +int get_regs(struct net_device *dev, void *p, int *sizep) +{ + struct fs_enet_private *fep = netdev_priv(dev); + + if (*sizep < sizeof(fcc_t) + sizeof(fcc_c_t) + sizeof(fcc_enet_t)) + return -EINVAL; + + memcpy_fromio(p, fep->fcc.fccp, sizeof(fcc_t)); + p = (char *)p + sizeof(fcc_t); + + memcpy_fromio(p, fep->fcc.fcccp, sizeof(fcc_c_t)); + p = (char *)p + sizeof(fcc_c_t); + + memcpy_fromio(p, fep->fcc.ep, sizeof(fcc_enet_t)); + + return 0; +} + +int get_regs_len(struct net_device *dev) +{ + return sizeof(fcc_t) + sizeof(fcc_c_t) + sizeof(fcc_enet_t); +} + +/* Some transmit errors cause the transmitter to shut + * down. We now issue a restart transmit. Since the + * errors close the BD and update the pointers, the restart + * _should_ pick up without having to reset any of our + * pointers either. Also, To workaround 8260 device erratum + * CPM37, we must disable and then re-enable the transmitter + * following a Late Collision, Underrun, or Retry Limit error. + */ +void tx_restart(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + fcc_t *fccp = fep->fcc.fccp; + + C32(fccp, fcc_gfmr, FCC_GFMR_ENT); + udelay(10); + S32(fccp, fcc_gfmr, FCC_GFMR_ENT); + + fcc_cr_cmd(fep, 0x0C, CPM_CR_RESTART_TX); +} + +/*************************************************************************/ + +const struct fs_ops fs_fcc_ops = { + .setup_data = setup_data, + .cleanup_data = cleanup_data, + .set_multicast_list = set_multicast_list, + .restart = restart, + .stop = stop, + .pre_request_irq = pre_request_irq, + .post_free_irq = post_free_irq, + .napi_clear_rx_event = napi_clear_rx_event, + .napi_enable_rx = napi_enable_rx, + .napi_disable_rx = napi_disable_rx, + .rx_bd_done = rx_bd_done, + .tx_kickstart = tx_kickstart, + .get_int_events = get_int_events, + .clear_int_events = clear_int_events, + .ev_error = ev_error, + .get_regs = get_regs, + .get_regs_len = get_regs_len, + .tx_restart = tx_restart, + .allocate_bd = allocate_bd, + .free_bd = free_bd, +}; diff --git a/drivers/net/fs_enet/mac-fec.c b/drivers/net/fs_enet/mac-fec.c new file mode 100644 index 000000000000..5ef4e845a387 --- /dev/null +++ b/drivers/net/fs_enet/mac-fec.c @@ -0,0 +1,653 @@ +/* + * Freescale Ethernet controllers + * + * Copyright (c) 2005 Intracom S.A. + * by Pantelis Antoniou <panto@intracom.gr> + * + * 2005 (c) MontaVista Software, Inc. + * Vitaly Bordug <vbordug@ru.mvista.com> + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +#include <linux/config.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/sched.h> +#include <linux/string.h> +#include <linux/ptrace.h> +#include <linux/errno.h> +#include <linux/ioport.h> +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/pci.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/skbuff.h> +#include <linux/spinlock.h> +#include <linux/mii.h> +#include <linux/ethtool.h> +#include <linux/bitops.h> +#include <linux/fs.h> + +#include <asm/irq.h> +#include <asm/uaccess.h> + +#ifdef CONFIG_8xx +#include <asm/8xx_immap.h> +#include <asm/pgtable.h> +#include <asm/mpc8xx.h> +#include <asm/commproc.h> +#endif + +#include "fs_enet.h" + +/*************************************************/ + +#if defined(CONFIG_CPM1) +/* for a CPM1 __raw_xxx's are sufficient */ +#define __fs_out32(addr, x) __raw_writel(x, addr) +#define __fs_out16(addr, x) __raw_writew(x, addr) +#define __fs_in32(addr) __raw_readl(addr) +#define __fs_in16(addr) __raw_readw(addr) +#else +/* for others play it safe */ +#define __fs_out32(addr, x) out_be32(addr, x) +#define __fs_out16(addr, x) out_be16(addr, x) +#define __fs_in32(addr) in_be32(addr) +#define __fs_in16(addr) in_be16(addr) +#endif + +/* write */ +#define FW(_fecp, _reg, _v) __fs_out32(&(_fecp)->fec_ ## _reg, (_v)) + +/* read */ +#define FR(_fecp, _reg) __fs_in32(&(_fecp)->fec_ ## _reg) + +/* set bits */ +#define FS(_fecp, _reg, _v) FW(_fecp, _reg, FR(_fecp, _reg) | (_v)) + +/* clear bits */ +#define FC(_fecp, _reg, _v) FW(_fecp, _reg, FR(_fecp, _reg) & ~(_v)) + + +/* CRC polynomium used by the FEC for the multicast group filtering */ +#define FEC_CRC_POLY 0x04C11DB7 + +#define FEC_MAX_MULTICAST_ADDRS 64 + +/* Interrupt events/masks. +*/ +#define FEC_ENET_HBERR 0x80000000U /* Heartbeat error */ +#define FEC_ENET_BABR 0x40000000U /* Babbling receiver */ +#define FEC_ENET_BABT 0x20000000U /* Babbling transmitter */ +#define FEC_ENET_GRA 0x10000000U /* Graceful stop complete */ +#define FEC_ENET_TXF 0x08000000U /* Full frame transmitted */ +#define FEC_ENET_TXB 0x04000000U /* A buffer was transmitted */ +#define FEC_ENET_RXF 0x02000000U /* Full frame received */ +#define FEC_ENET_RXB 0x01000000U /* A buffer was received */ +#define FEC_ENET_MII 0x00800000U /* MII interrupt */ +#define FEC_ENET_EBERR 0x00400000U /* SDMA bus error */ + +#define FEC_ECNTRL_PINMUX 0x00000004 +#define FEC_ECNTRL_ETHER_EN 0x00000002 +#define FEC_ECNTRL_RESET 0x00000001 + +#define FEC_RCNTRL_BC_REJ 0x00000010 +#define FEC_RCNTRL_PROM 0x00000008 +#define FEC_RCNTRL_MII_MODE 0x00000004 +#define FEC_RCNTRL_DRT 0x00000002 +#define FEC_RCNTRL_LOOP 0x00000001 + +#define FEC_TCNTRL_FDEN 0x00000004 +#define FEC_TCNTRL_HBC 0x00000002 +#define FEC_TCNTRL_GTS 0x00000001 + + +/* Make MII read/write commands for the FEC. +*/ +#define mk_mii_read(REG) (0x60020000 | ((REG & 0x1f) << 18)) +#define mk_mii_write(REG, VAL) (0x50020000 | ((REG & 0x1f) << 18) | (VAL & 0xffff)) +#define mk_mii_end 0 + +#define FEC_MII_LOOPS 10000 + +/* + * Delay to wait for FEC reset command to complete (in us) + */ +#define FEC_RESET_DELAY 50 + +static int whack_reset(fec_t * fecp) +{ + int i; + + FW(fecp, ecntrl, FEC_ECNTRL_PINMUX | FEC_ECNTRL_RESET); + for (i = 0; i < FEC_RESET_DELAY; i++) { + if ((FR(fecp, ecntrl) & FEC_ECNTRL_RESET) == 0) + return 0; /* OK */ + udelay(1); + } + + return -1; +} + +static int do_pd_setup(struct fs_enet_private *fep) +{ + struct platform_device *pdev = to_platform_device(fep->dev); + struct resource *r; + + /* Fill out IRQ field */ + fep->interrupt = platform_get_irq_byname(pdev,"interrupt"); + + r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs"); + fep->fec.fecp =(void*)r->start; + + if(fep->fec.fecp == NULL) + return -EINVAL; + + return 0; + +} + +#define FEC_NAPI_RX_EVENT_MSK (FEC_ENET_RXF | FEC_ENET_RXB) +#define FEC_RX_EVENT (FEC_ENET_RXF) +#define FEC_TX_EVENT (FEC_ENET_TXF) +#define FEC_ERR_EVENT_MSK (FEC_ENET_HBERR | FEC_ENET_BABR | \ + FEC_ENET_BABT | FEC_ENET_EBERR) + +static int setup_data(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + + if (do_pd_setup(fep) != 0) + return -EINVAL; + + fep->fec.hthi = 0; + fep->fec.htlo = 0; + + fep->ev_napi_rx = FEC_NAPI_RX_EVENT_MSK; + fep->ev_rx = FEC_RX_EVENT; + fep->ev_tx = FEC_TX_EVENT; + fep->ev_err = FEC_ERR_EVENT_MSK; + + return 0; +} + +static int allocate_bd(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + const struct fs_platform_info *fpi = fep->fpi; + + fep->ring_base = dma_alloc_coherent(fep->dev, + (fpi->tx_ring + fpi->rx_ring) * + sizeof(cbd_t), &fep->ring_mem_addr, + GFP_KERNEL); + if (fep->ring_base == NULL) + return -ENOMEM; + + return 0; +} + +static void free_bd(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + const struct fs_platform_info *fpi = fep->fpi; + + if(fep->ring_base) + dma_free_coherent(fep->dev, (fpi->tx_ring + fpi->rx_ring) + * sizeof(cbd_t), + fep->ring_base, + fep->ring_mem_addr); +} + +static void cleanup_data(struct net_device *dev) +{ + /* nothing */ +} + +static void set_promiscuous_mode(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + fec_t *fecp = fep->fec.fecp; + + FS(fecp, r_cntrl, FEC_RCNTRL_PROM); +} + +static void set_multicast_start(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + + fep->fec.hthi = 0; + fep->fec.htlo = 0; +} + +static void set_multicast_one(struct net_device *dev, const u8 *mac) +{ + struct fs_enet_private *fep = netdev_priv(dev); + int temp, hash_index, i, j; + u32 crc, csrVal; + u8 byte, msb; + + crc = 0xffffffff; + for (i = 0; i < 6; i++) { + byte = mac[i]; + for (j = 0; j < 8; j++) { + msb = crc >> 31; + crc <<= 1; + if (msb ^ (byte & 0x1)) + crc ^= FEC_CRC_POLY; + byte >>= 1; + } + } + + temp = (crc & 0x3f) >> 1; + hash_index = ((temp & 0x01) << 4) | + ((temp & 0x02) << 2) | + ((temp & 0x04)) | + ((temp & 0x08) >> 2) | + ((temp & 0x10) >> 4); + csrVal = 1 << hash_index; + if (crc & 1) + fep->fec.hthi |= csrVal; + else + fep->fec.htlo |= csrVal; +} + +static void set_multicast_finish(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + fec_t *fecp = fep->fec.fecp; + + /* if all multi or too many multicasts; just enable all */ + if ((dev->flags & IFF_ALLMULTI) != 0 || + dev->mc_count > FEC_MAX_MULTICAST_ADDRS) { + fep->fec.hthi = 0xffffffffU; + fep->fec.htlo = 0xffffffffU; + } + + FC(fecp, r_cntrl, FEC_RCNTRL_PROM); + FW(fecp, hash_table_high, fep->fec.hthi); + FW(fecp, hash_table_low, fep->fec.htlo); +} + +static void set_multicast_list(struct net_device *dev) +{ + struct dev_mc_list *pmc; + + if ((dev->flags & IFF_PROMISC) == 0) { + set_multicast_start(dev); + for (pmc = dev->mc_list; pmc != NULL; pmc = pmc->next) + set_multicast_one(dev, pmc->dmi_addr); + set_multicast_finish(dev); + } else + set_promiscuous_mode(dev); +} + +static void restart(struct net_device *dev) +{ +#ifdef CONFIG_DUET + immap_t *immap = fs_enet_immap; + u32 cptr; +#endif + struct fs_enet_private *fep = netdev_priv(dev); + fec_t *fecp = fep->fec.fecp; + const struct fs_platform_info *fpi = fep->fpi; + dma_addr_t rx_bd_base_phys, tx_bd_base_phys; + int r; + u32 addrhi, addrlo; + + r = whack_reset(fep->fec.fecp); + if (r != 0) + printk(KERN_ERR DRV_MODULE_NAME + ": %s FEC Reset FAILED!\n", dev->name); + + /* + * Set station address. + */ + addrhi = ((u32) dev->dev_addr[0] << 24) | + ((u32) dev->dev_addr[1] << 16) | + ((u32) dev->dev_addr[2] << 8) | + (u32) dev->dev_addr[3]; + addrlo = ((u32) dev->dev_addr[4] << 24) | + ((u32) dev->dev_addr[5] << 16); + FW(fecp, addr_low, addrhi); + FW(fecp, addr_high, addrlo); + + /* + * Reset all multicast. + */ + FW(fecp, hash_table_high, fep->fec.hthi); + FW(fecp, hash_table_low, fep->fec.htlo); + + /* + * Set maximum receive buffer size. + */ + FW(fecp, r_buff_size, PKT_MAXBLR_SIZE); + FW(fecp, r_hash, PKT_MAXBUF_SIZE); + + /* get physical address */ + rx_bd_base_phys = fep->ring_mem_addr; + tx_bd_base_phys = rx_bd_base_phys + sizeof(cbd_t) * fpi->rx_ring; + + /* + * Set receive and transmit descriptor base. + */ + FW(fecp, r_des_start, rx_bd_base_phys); + FW(fecp, x_des_start, tx_bd_base_phys); + + fs_init_bds(dev); + + /* + * Enable big endian and don't care about SDMA FC. + */ + FW(fecp, fun_code, 0x78000000); + + /* + * Set MII speed. + */ + FW(fecp, mii_speed, fep->mii_bus->fec.mii_speed); + + /* + * Clear any outstanding interrupt. + */ + FW(fecp, ievent, 0xffc0); + FW(fecp, ivec, (fep->interrupt / 2) << 29); + + + /* + * adjust to speed (only for DUET & RMII) + */ +#ifdef CONFIG_DUET + if (fpi->use_rmii) { + cptr = in_be32(&immap->im_cpm.cp_cptr); + switch (fs_get_fec_index(fpi->fs_no)) { + case 0: + cptr |= 0x100; + if (fep->speed == 10) + cptr |= 0x0000010; + else if (fep->speed == 100) + cptr &= ~0x0000010; + break; + case 1: + cptr |= 0x80; + if (fep->speed == 10) + cptr |= 0x0000008; + else if (fep->speed == 100) + cptr &= ~0x0000008; + break; + default: + BUG(); /* should never happen */ + break; + } + out_be32(&immap->im_cpm.cp_cptr, cptr); + } +#endif + + FW(fecp, r_cntrl, FEC_RCNTRL_MII_MODE); /* MII enable */ + /* + * adjust to duplex mode + */ + if (fep->duplex) { + FC(fecp, r_cntrl, FEC_RCNTRL_DRT); + FS(fecp, x_cntrl, FEC_TCNTRL_FDEN); /* FD enable */ + } else { + FS(fecp, r_cntrl, FEC_RCNTRL_DRT); + FC(fecp, x_cntrl, FEC_TCNTRL_FDEN); /* FD disable */ + } + + /* + * Enable interrupts we wish to service. + */ + FW(fecp, imask, FEC_ENET_TXF | FEC_ENET_TXB | + FEC_ENET_RXF | FEC_ENET_RXB); + + /* + * And last, enable the transmit and receive processing. + */ + FW(fecp, ecntrl, FEC_ECNTRL_PINMUX | FEC_ECNTRL_ETHER_EN); + FW(fecp, r_des_active, 0x01000000); +} + +static void stop(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + fec_t *fecp = fep->fec.fecp; + struct fs_enet_mii_bus *bus = fep->mii_bus; + const struct fs_mii_bus_info *bi = bus->bus_info; + int i; + + if ((FR(fecp, ecntrl) & FEC_ECNTRL_ETHER_EN) == 0) + return; /* already down */ + + FW(fecp, x_cntrl, 0x01); /* Graceful transmit stop */ + for (i = 0; ((FR(fecp, ievent) & 0x10000000) == 0) && + i < FEC_RESET_DELAY; i++) + udelay(1); + + if (i == FEC_RESET_DELAY) + printk(KERN_WARNING DRV_MODULE_NAME + ": %s FEC timeout on graceful transmit stop\n", + dev->name); + /* + * Disable FEC. Let only MII interrupts. + */ + FW(fecp, imask, 0); + FC(fecp, ecntrl, FEC_ECNTRL_ETHER_EN); + + fs_cleanup_bds(dev); + + /* shut down FEC1? that's where the mii bus is */ + if (fep->fec.idx == 0 && bus->refs > 1 && bi->method == fsmii_fec) { + FS(fecp, r_cntrl, FEC_RCNTRL_MII_MODE); /* MII enable */ + FS(fecp, ecntrl, FEC_ECNTRL_PINMUX | FEC_ECNTRL_ETHER_EN); + FW(fecp, ievent, FEC_ENET_MII); + FW(fecp, mii_speed, bus->fec.mii_speed); + } +} + +static void pre_request_irq(struct net_device *dev, int irq) +{ + immap_t *immap = fs_enet_immap; + u32 siel; + + /* SIU interrupt */ + if (irq >= SIU_IRQ0 && irq < SIU_LEVEL7) { + + siel = in_be32(&immap->im_siu_conf.sc_siel); + if ((irq & 1) == 0) + siel |= (0x80000000 >> irq); + else + siel &= ~(0x80000000 >> (irq & ~1)); + out_be32(&immap->im_siu_conf.sc_siel, siel); + } +} + +static void post_free_irq(struct net_device *dev, int irq) +{ + /* nothing */ +} + +static void napi_clear_rx_event(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + fec_t *fecp = fep->fec.fecp; + + FW(fecp, ievent, FEC_NAPI_RX_EVENT_MSK); +} + +static void napi_enable_rx(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + fec_t *fecp = fep->fec.fecp; + + FS(fecp, imask, FEC_NAPI_RX_EVENT_MSK); +} + +static void napi_disable_rx(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + fec_t *fecp = fep->fec.fecp; + + FC(fecp, imask, FEC_NAPI_RX_EVENT_MSK); +} + +static void rx_bd_done(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + fec_t *fecp = fep->fec.fecp; + + FW(fecp, r_des_active, 0x01000000); +} + +static void tx_kickstart(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + fec_t *fecp = fep->fec.fecp; + + FW(fecp, x_des_active, 0x01000000); +} + +static u32 get_int_events(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + fec_t *fecp = fep->fec.fecp; + + return FR(fecp, ievent) & FR(fecp, imask); +} + +static void clear_int_events(struct net_device *dev, u32 int_events) +{ + struct fs_enet_private *fep = netdev_priv(dev); + fec_t *fecp = fep->fec.fecp; + + FW(fecp, ievent, int_events); +} + +static void ev_error(struct net_device *dev, u32 int_events) +{ + printk(KERN_WARNING DRV_MODULE_NAME + ": %s FEC ERROR(s) 0x%x\n", dev->name, int_events); +} + +int get_regs(struct net_device *dev, void *p, int *sizep) +{ + struct fs_enet_private *fep = netdev_priv(dev); + + if (*sizep < sizeof(fec_t)) + return -EINVAL; + + memcpy_fromio(p, fep->fec.fecp, sizeof(fec_t)); + + return 0; +} + +int get_regs_len(struct net_device *dev) +{ + return sizeof(fec_t); +} + +void tx_restart(struct net_device *dev) +{ + /* nothing */ +} + +/*************************************************************************/ + +const struct fs_ops fs_fec_ops = { + .setup_data = setup_data, + .cleanup_data = cleanup_data, + .set_multicast_list = set_multicast_list, + .restart = restart, + .stop = stop, + .pre_request_irq = pre_request_irq, + .post_free_irq = post_free_irq, + .napi_clear_rx_event = napi_clear_rx_event, + .napi_enable_rx = napi_enable_rx, + .napi_disable_rx = napi_disable_rx, + .rx_bd_done = rx_bd_done, + .tx_kickstart = tx_kickstart, + .get_int_events = get_int_events, + .clear_int_events = clear_int_events, + .ev_error = ev_error, + .get_regs = get_regs, + .get_regs_len = get_regs_len, + .tx_restart = tx_restart, + .allocate_bd = allocate_bd, + .free_bd = free_bd, +}; + +/***********************************************************************/ + +static int mii_read(struct fs_enet_mii_bus *bus, int phy_id, int location) +{ + fec_t *fecp = bus->fec.fecp; + int i, ret = -1; + + if ((FR(fecp, r_cntrl) & FEC_RCNTRL_MII_MODE) == 0) + BUG(); + + /* Add PHY address to register command. */ + FW(fecp, mii_data, (phy_id << 23) | mk_mii_read(location)); + + for (i = 0; i < FEC_MII_LOOPS; i++) + if ((FR(fecp, ievent) & FEC_ENET_MII) != 0) + break; + + if (i < FEC_MII_LOOPS) { + FW(fecp, ievent, FEC_ENET_MII); + ret = FR(fecp, mii_data) & 0xffff; + } + + return ret; +} + +static void mii_write(struct fs_enet_mii_bus *bus, int phy_id, int location, int value) +{ + fec_t *fecp = bus->fec.fecp; + int i; + + /* this must never happen */ + if ((FR(fecp, r_cntrl) & FEC_RCNTRL_MII_MODE) == 0) + BUG(); + + /* Add PHY address to register command. */ + FW(fecp, mii_data, (phy_id << 23) | mk_mii_write(location, value)); + + for (i = 0; i < FEC_MII_LOOPS; i++) + if ((FR(fecp, ievent) & FEC_ENET_MII) != 0) + break; + + if (i < FEC_MII_LOOPS) + FW(fecp, ievent, FEC_ENET_MII); +} + +int fs_mii_fec_init(struct fs_enet_mii_bus *bus) +{ + bd_t *bd = (bd_t *)__res; + const struct fs_mii_bus_info *bi = bus->bus_info; + fec_t *fecp; + + if (bi->id != 0) + return -1; + + bus->fec.fecp = &((immap_t *)fs_enet_immap)->im_cpm.cp_fec; + bus->fec.mii_speed = ((((bd->bi_intfreq + 4999999) / 2500000) / 2) + & 0x3F) << 1; + + fecp = bus->fec.fecp; + + FS(fecp, r_cntrl, FEC_RCNTRL_MII_MODE); /* MII enable */ + FS(fecp, ecntrl, FEC_ECNTRL_PINMUX | FEC_ECNTRL_ETHER_EN); + FW(fecp, ievent, FEC_ENET_MII); + FW(fecp, mii_speed, bus->fec.mii_speed); + + bus->mii_read = mii_read; + bus->mii_write = mii_write; + + return 0; +} diff --git a/drivers/net/fs_enet/mac-scc.c b/drivers/net/fs_enet/mac-scc.c new file mode 100644 index 000000000000..d8c6e9cadcf5 --- /dev/null +++ b/drivers/net/fs_enet/mac-scc.c @@ -0,0 +1,524 @@ +/* + * Ethernet on Serial Communications Controller (SCC) driver for Motorola MPC8xx and MPC82xx. + * + * Copyright (c) 2003 Intracom S.A. + * by Pantelis Antoniou <panto@intracom.gr> + * + * 2005 (c) MontaVista Software, Inc. + * Vitaly Bordug <vbordug@ru.mvista.com> + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +#include <linux/config.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/sched.h> +#include <linux/string.h> +#include <linux/ptrace.h> +#include <linux/errno.h> +#include <linux/ioport.h> +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/pci.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/skbuff.h> +#include <linux/spinlock.h> +#include <linux/mii.h> +#include <linux/ethtool.h> +#include <linux/bitops.h> +#include <linux/fs.h> + +#include <asm/irq.h> +#include <asm/uaccess.h> + +#ifdef CONFIG_8xx +#include <asm/8xx_immap.h> +#include <asm/pgtable.h> +#include <asm/mpc8xx.h> +#include <asm/commproc.h> +#endif + +#include "fs_enet.h" + +/*************************************************/ + +#if defined(CONFIG_CPM1) +/* for a 8xx __raw_xxx's are sufficient */ +#define __fs_out32(addr, x) __raw_writel(x, addr) +#define __fs_out16(addr, x) __raw_writew(x, addr) +#define __fs_out8(addr, x) __raw_writeb(x, addr) +#define __fs_in32(addr) __raw_readl(addr) +#define __fs_in16(addr) __raw_readw(addr) +#define __fs_in8(addr) __raw_readb(addr) +#else +/* for others play it safe */ +#define __fs_out32(addr, x) out_be32(addr, x) +#define __fs_out16(addr, x) out_be16(addr, x) +#define __fs_in32(addr) in_be32(addr) +#define __fs_in16(addr) in_be16(addr) +#endif + +/* write, read, set bits, clear bits */ +#define W32(_p, _m, _v) __fs_out32(&(_p)->_m, (_v)) +#define R32(_p, _m) __fs_in32(&(_p)->_m) +#define S32(_p, _m, _v) W32(_p, _m, R32(_p, _m) | (_v)) +#define C32(_p, _m, _v) W32(_p, _m, R32(_p, _m) & ~(_v)) + +#define W16(_p, _m, _v) __fs_out16(&(_p)->_m, (_v)) +#define R16(_p, _m) __fs_in16(&(_p)->_m) +#define S16(_p, _m, _v) W16(_p, _m, R16(_p, _m) | (_v)) +#define C16(_p, _m, _v) W16(_p, _m, R16(_p, _m) & ~(_v)) + +#define W8(_p, _m, _v) __fs_out8(&(_p)->_m, (_v)) +#define R8(_p, _m) __fs_in8(&(_p)->_m) +#define S8(_p, _m, _v) W8(_p, _m, R8(_p, _m) | (_v)) +#define C8(_p, _m, _v) W8(_p, _m, R8(_p, _m) & ~(_v)) + +#define SCC_MAX_MULTICAST_ADDRS 64 + +/* + * Delay to wait for SCC reset command to complete (in us) + */ +#define SCC_RESET_DELAY 50 +#define MAX_CR_CMD_LOOPS 10000 + +static inline int scc_cr_cmd(struct fs_enet_private *fep, u32 op) +{ + cpm8xx_t *cpmp = &((immap_t *)fs_enet_immap)->im_cpm; + u32 v, ch; + int i = 0; + + ch = fep->scc.idx << 2; + v = mk_cr_cmd(ch, op); + W16(cpmp, cp_cpcr, v | CPM_CR_FLG); + for (i = 0; i < MAX_CR_CMD_LOOPS; i++) + if ((R16(cpmp, cp_cpcr) & CPM_CR_FLG) == 0) + break; + + if (i >= MAX_CR_CMD_LOOPS) { + printk(KERN_ERR "%s(): Not able to issue CPM command\n", + __FUNCTION__); + return 1; + } + return 0; +} + +static int do_pd_setup(struct fs_enet_private *fep) +{ + struct platform_device *pdev = to_platform_device(fep->dev); + struct resource *r; + + /* Fill out IRQ field */ + fep->interrupt = platform_get_irq_byname(pdev, "interrupt"); + + r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs"); + fep->scc.sccp = (void *)r->start; + + if (fep->scc.sccp == NULL) + return -EINVAL; + + r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pram"); + fep->scc.ep = (void *)r->start; + + if (fep->scc.ep == NULL) + return -EINVAL; + + return 0; +} + +#define SCC_NAPI_RX_EVENT_MSK (SCCE_ENET_RXF | SCCE_ENET_RXB) +#define SCC_RX_EVENT (SCCE_ENET_RXF) +#define SCC_TX_EVENT (SCCE_ENET_TXB) +#define SCC_ERR_EVENT_MSK (SCCE_ENET_TXE | SCCE_ENET_BSY) + +static int setup_data(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + const struct fs_platform_info *fpi = fep->fpi; + + fep->scc.idx = fs_get_scc_index(fpi->fs_no); + if ((unsigned int)fep->fcc.idx > 4) /* max 4 SCCs */ + return -EINVAL; + + do_pd_setup(fep); + + fep->scc.hthi = 0; + fep->scc.htlo = 0; + + fep->ev_napi_rx = SCC_NAPI_RX_EVENT_MSK; + fep->ev_rx = SCC_RX_EVENT; + fep->ev_tx = SCC_TX_EVENT; + fep->ev_err = SCC_ERR_EVENT_MSK; + + return 0; +} + +static int allocate_bd(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + const struct fs_platform_info *fpi = fep->fpi; + + fep->ring_mem_addr = cpm_dpalloc((fpi->tx_ring + fpi->rx_ring) * + sizeof(cbd_t), 8); + if (IS_DPERR(fep->ring_mem_addr)) + return -ENOMEM; + + fep->ring_base = cpm_dpram_addr(fep->ring_mem_addr); + + return 0; +} + +static void free_bd(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + + if (fep->ring_base) + cpm_dpfree(fep->ring_mem_addr); +} + +static void cleanup_data(struct net_device *dev) +{ + /* nothing */ +} + +static void set_promiscuous_mode(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + scc_t *sccp = fep->scc.sccp; + + S16(sccp, scc_psmr, SCC_PSMR_PRO); +} + +static void set_multicast_start(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + scc_enet_t *ep = fep->scc.ep; + + W16(ep, sen_gaddr1, 0); + W16(ep, sen_gaddr2, 0); + W16(ep, sen_gaddr3, 0); + W16(ep, sen_gaddr4, 0); +} + +static void set_multicast_one(struct net_device *dev, const u8 * mac) +{ + struct fs_enet_private *fep = netdev_priv(dev); + scc_enet_t *ep = fep->scc.ep; + u16 taddrh, taddrm, taddrl; + + taddrh = ((u16) mac[5] << 8) | mac[4]; + taddrm = ((u16) mac[3] << 8) | mac[2]; + taddrl = ((u16) mac[1] << 8) | mac[0]; + + W16(ep, sen_taddrh, taddrh); + W16(ep, sen_taddrm, taddrm); + W16(ep, sen_taddrl, taddrl); + scc_cr_cmd(fep, CPM_CR_SET_GADDR); +} + +static void set_multicast_finish(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + scc_t *sccp = fep->scc.sccp; + scc_enet_t *ep = fep->scc.ep; + + /* clear promiscuous always */ + C16(sccp, scc_psmr, SCC_PSMR_PRO); + + /* if all multi or too many multicasts; just enable all */ + if ((dev->flags & IFF_ALLMULTI) != 0 || + dev->mc_count > SCC_MAX_MULTICAST_ADDRS) { + + W16(ep, sen_gaddr1, 0xffff); + W16(ep, sen_gaddr2, 0xffff); + W16(ep, sen_gaddr3, 0xffff); + W16(ep, sen_gaddr4, 0xffff); + } +} + +static void set_multicast_list(struct net_device *dev) +{ + struct dev_mc_list *pmc; + + if ((dev->flags & IFF_PROMISC) == 0) { + set_multicast_start(dev); + for (pmc = dev->mc_list; pmc != NULL; pmc = pmc->next) + set_multicast_one(dev, pmc->dmi_addr); + set_multicast_finish(dev); + } else + set_promiscuous_mode(dev); +} + +/* + * This function is called to start or restart the FEC during a link + * change. This only happens when switching between half and full + * duplex. + */ +static void restart(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + scc_t *sccp = fep->scc.sccp; + scc_enet_t *ep = fep->scc.ep; + const struct fs_platform_info *fpi = fep->fpi; + u16 paddrh, paddrm, paddrl; + const unsigned char *mac; + int i; + + C32(sccp, scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT); + + /* clear everything (slow & steady does it) */ + for (i = 0; i < sizeof(*ep); i++) + __fs_out8((char *)ep + i, 0); + + /* point to bds */ + W16(ep, sen_genscc.scc_rbase, fep->ring_mem_addr); + W16(ep, sen_genscc.scc_tbase, + fep->ring_mem_addr + sizeof(cbd_t) * fpi->rx_ring); + + /* Initialize function code registers for big-endian. + */ + W8(ep, sen_genscc.scc_rfcr, SCC_EB); + W8(ep, sen_genscc.scc_tfcr, SCC_EB); + + /* Set maximum bytes per receive buffer. + * This appears to be an Ethernet frame size, not the buffer + * fragment size. It must be a multiple of four. + */ + W16(ep, sen_genscc.scc_mrblr, 0x5f0); + + /* Set CRC preset and mask. + */ + W32(ep, sen_cpres, 0xffffffff); + W32(ep, sen_cmask, 0xdebb20e3); + + W32(ep, sen_crcec, 0); /* CRC Error counter */ + W32(ep, sen_alec, 0); /* alignment error counter */ + W32(ep, sen_disfc, 0); /* discard frame counter */ + + W16(ep, sen_pads, 0x8888); /* Tx short frame pad character */ + W16(ep, sen_retlim, 15); /* Retry limit threshold */ + + W16(ep, sen_maxflr, 0x5ee); /* maximum frame length register */ + + W16(ep, sen_minflr, PKT_MINBUF_SIZE); /* minimum frame length register */ + + W16(ep, sen_maxd1, 0x000005f0); /* maximum DMA1 length */ + W16(ep, sen_maxd2, 0x000005f0); /* maximum DMA2 length */ + + /* Clear hash tables. + */ + W16(ep, sen_gaddr1, 0); + W16(ep, sen_gaddr2, 0); + W16(ep, sen_gaddr3, 0); + W16(ep, sen_gaddr4, 0); + W16(ep, sen_iaddr1, 0); + W16(ep, sen_iaddr2, 0); + W16(ep, sen_iaddr3, 0); + W16(ep, sen_iaddr4, 0); + + /* set address + */ + mac = dev->dev_addr; + paddrh = ((u16) mac[5] << 8) | mac[4]; + paddrm = ((u16) mac[3] << 8) | mac[2]; + paddrl = ((u16) mac[1] << 8) | mac[0]; + + W16(ep, sen_paddrh, paddrh); + W16(ep, sen_paddrm, paddrm); + W16(ep, sen_paddrl, paddrl); + + W16(ep, sen_pper, 0); + W16(ep, sen_taddrl, 0); + W16(ep, sen_taddrm, 0); + W16(ep, sen_taddrh, 0); + + fs_init_bds(dev); + + scc_cr_cmd(fep, CPM_CR_INIT_TRX); + + W16(sccp, scc_scce, 0xffff); + + /* Enable interrupts we wish to service. + */ + W16(sccp, scc_sccm, SCCE_ENET_TXE | SCCE_ENET_RXF | SCCE_ENET_TXB); + + /* Set GSMR_H to enable all normal operating modes. + * Set GSMR_L to enable Ethernet to MC68160. + */ + W32(sccp, scc_gsmrh, 0); + W32(sccp, scc_gsmrl, + SCC_GSMRL_TCI | SCC_GSMRL_TPL_48 | SCC_GSMRL_TPP_10 | + SCC_GSMRL_MODE_ENET); + + /* Set sync/delimiters. + */ + W16(sccp, scc_dsr, 0xd555); + + /* Set processing mode. Use Ethernet CRC, catch broadcast, and + * start frame search 22 bit times after RENA. + */ + W16(sccp, scc_psmr, SCC_PSMR_ENCRC | SCC_PSMR_NIB22); + + /* Set full duplex mode if needed */ + if (fep->duplex) + S16(sccp, scc_psmr, SCC_PSMR_LPB | SCC_PSMR_FDE); + + S32(sccp, scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT); +} + +static void stop(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + scc_t *sccp = fep->scc.sccp; + int i; + + for (i = 0; (R16(sccp, scc_sccm) == 0) && i < SCC_RESET_DELAY; i++) + udelay(1); + + if (i == SCC_RESET_DELAY) + printk(KERN_WARNING DRV_MODULE_NAME + ": %s SCC timeout on graceful transmit stop\n", + dev->name); + + W16(sccp, scc_sccm, 0); + C32(sccp, scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT); + + fs_cleanup_bds(dev); +} + +static void pre_request_irq(struct net_device *dev, int irq) +{ + immap_t *immap = fs_enet_immap; + u32 siel; + + /* SIU interrupt */ + if (irq >= SIU_IRQ0 && irq < SIU_LEVEL7) { + + siel = in_be32(&immap->im_siu_conf.sc_siel); + if ((irq & 1) == 0) + siel |= (0x80000000 >> irq); + else + siel &= ~(0x80000000 >> (irq & ~1)); + out_be32(&immap->im_siu_conf.sc_siel, siel); + } +} + +static void post_free_irq(struct net_device *dev, int irq) +{ + /* nothing */ +} + +static void napi_clear_rx_event(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + scc_t *sccp = fep->scc.sccp; + + W16(sccp, scc_scce, SCC_NAPI_RX_EVENT_MSK); +} + +static void napi_enable_rx(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + scc_t *sccp = fep->scc.sccp; + + S16(sccp, scc_sccm, SCC_NAPI_RX_EVENT_MSK); +} + +static void napi_disable_rx(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + scc_t *sccp = fep->scc.sccp; + + C16(sccp, scc_sccm, SCC_NAPI_RX_EVENT_MSK); +} + +static void rx_bd_done(struct net_device *dev) +{ + /* nothing */ +} + +static void tx_kickstart(struct net_device *dev) +{ + /* nothing */ +} + +static u32 get_int_events(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + scc_t *sccp = fep->scc.sccp; + + return (u32) R16(sccp, scc_scce); +} + +static void clear_int_events(struct net_device *dev, u32 int_events) +{ + struct fs_enet_private *fep = netdev_priv(dev); + scc_t *sccp = fep->scc.sccp; + + W16(sccp, scc_scce, int_events & 0xffff); +} + +static void ev_error(struct net_device *dev, u32 int_events) +{ + printk(KERN_WARNING DRV_MODULE_NAME + ": %s SCC ERROR(s) 0x%x\n", dev->name, int_events); +} + +static int get_regs(struct net_device *dev, void *p, int *sizep) +{ + struct fs_enet_private *fep = netdev_priv(dev); + + if (*sizep < sizeof(scc_t) + sizeof(scc_enet_t)) + return -EINVAL; + + memcpy_fromio(p, fep->scc.sccp, sizeof(scc_t)); + p = (char *)p + sizeof(scc_t); + + memcpy_fromio(p, fep->scc.ep, sizeof(scc_enet_t)); + + return 0; +} + +static int get_regs_len(struct net_device *dev) +{ + return sizeof(scc_t) + sizeof(scc_enet_t); +} + +static void tx_restart(struct net_device *dev) +{ + struct fs_enet_private *fep = netdev_priv(dev); + + scc_cr_cmd(fep, CPM_CR_RESTART_TX); +} + +/*************************************************************************/ + +const struct fs_ops fs_scc_ops = { + .setup_data = setup_data, + .cleanup_data = cleanup_data, + .set_multicast_list = set_multicast_list, + .restart = restart, + .stop = stop, + .pre_request_irq = pre_request_irq, + .post_free_irq = post_free_irq, + .napi_clear_rx_event = napi_clear_rx_event, + .napi_enable_rx = napi_enable_rx, + .napi_disable_rx = napi_disable_rx, + .rx_bd_done = rx_bd_done, + .tx_kickstart = tx_kickstart, + .get_int_events = get_int_events, + .clear_int_events = clear_int_events, + .ev_error = ev_error, + .get_regs = get_regs, + .get_regs_len = get_regs_len, + .tx_restart = tx_restart, + .allocate_bd = allocate_bd, + .free_bd = free_bd, +}; diff --git a/drivers/net/fs_enet/mii-bitbang.c b/drivers/net/fs_enet/mii-bitbang.c new file mode 100644 index 000000000000..24a5e2e23d18 --- /dev/null +++ b/drivers/net/fs_enet/mii-bitbang.c @@ -0,0 +1,405 @@ +/* + * Combined Ethernet driver for Motorola MPC8xx and MPC82xx. + * + * Copyright (c) 2003 Intracom S.A. + * by Pantelis Antoniou <panto@intracom.gr> + * + * 2005 (c) MontaVista Software, Inc. + * Vitaly Bordug <vbordug@ru.mvista.com> + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + + +#include <linux/config.h> +#include <linux/module.h> +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/string.h> +#include <linux/ptrace.h> +#include <linux/errno.h> +#include <linux/ioport.h> +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/pci.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/skbuff.h> +#include <linux/spinlock.h> +#include <linux/mii.h> +#include <linux/ethtool.h> +#include <linux/bitops.h> + +#include <asm/pgtable.h> +#include <asm/irq.h> +#include <asm/uaccess.h> + +#include "fs_enet.h" + +#ifdef CONFIG_8xx +static int bitbang_prep_bit(u8 **dirp, u8 **datp, u8 *mskp, int port, int bit) +{ + immap_t *im = (immap_t *)fs_enet_immap; + void *dir, *dat, *ppar; + int adv; + u8 msk; + + switch (port) { + case fsiop_porta: + dir = &im->im_ioport.iop_padir; + dat = &im->im_ioport.iop_padat; + ppar = &im->im_ioport.iop_papar; + break; + + case fsiop_portb: + dir = &im->im_cpm.cp_pbdir; + dat = &im->im_cpm.cp_pbdat; + ppar = &im->im_cpm.cp_pbpar; + break; + + case fsiop_portc: + dir = &im->im_ioport.iop_pcdir; + dat = &im->im_ioport.iop_pcdat; + ppar = &im->im_ioport.iop_pcpar; + break; + + case fsiop_portd: + dir = &im->im_ioport.iop_pddir; + dat = &im->im_ioport.iop_pddat; + ppar = &im->im_ioport.iop_pdpar; + break; + + case fsiop_porte: + dir = &im->im_cpm.cp_pedir; + dat = &im->im_cpm.cp_pedat; + ppar = &im->im_cpm.cp_pepar; + break; + + default: + printk(KERN_ERR DRV_MODULE_NAME + "Illegal port value %d!\n", port); + return -EINVAL; + } + + adv = bit >> 3; + dir = (char *)dir + adv; + dat = (char *)dat + adv; + ppar = (char *)ppar + adv; + + msk = 1 << (7 - (bit & 7)); + if ((in_8(ppar) & msk) != 0) { + printk(KERN_ERR DRV_MODULE_NAME + "pin %d on port %d is not general purpose!\n", bit, port); + return -EINVAL; + } + + *dirp = dir; + *datp = dat; + *mskp = msk; + + return 0; +} +#endif + +#ifdef CONFIG_8260 +static int bitbang_prep_bit(u8 **dirp, u8 **datp, u8 *mskp, int port, int bit) +{ + iop_cpm2_t *io = &((cpm2_map_t *)fs_enet_immap)->im_ioport; + void *dir, *dat, *ppar; + int adv; + u8 msk; + + switch (port) { + case fsiop_porta: + dir = &io->iop_pdira; + dat = &io->iop_pdata; + ppar = &io->iop_ppara; + break; + + case fsiop_portb: + dir = &io->iop_pdirb; + dat = &io->iop_pdatb; + ppar = &io->iop_pparb; + break; + + case fsiop_portc: + dir = &io->iop_pdirc; + dat = &io->iop_pdatc; + ppar = &io->iop_pparc; + break; + + case fsiop_portd: + dir = &io->iop_pdird; + dat = &io->iop_pdatd; + ppar = &io->iop_ppard; + break; + + default: + printk(KERN_ERR DRV_MODULE_NAME + "Illegal port value %d!\n", port); + return -EINVAL; + } + + adv = bit >> 3; + dir = (char *)dir + adv; + dat = (char *)dat + adv; + ppar = (char *)ppar + adv; + + msk = 1 << (7 - (bit & 7)); + if ((in_8(ppar) & msk) != 0) { + printk(KERN_ERR DRV_MODULE_NAME + "pin %d on port %d is not general purpose!\n", bit, port); + return -EINVAL; + } + + *dirp = dir; + *datp = dat; + *mskp = msk; + + return 0; +} +#endif + +static inline void bb_set(u8 *p, u8 m) +{ + out_8(p, in_8(p) | m); +} + +static inline void bb_clr(u8 *p, u8 m) +{ + out_8(p, in_8(p) & ~m); +} + +static inline int bb_read(u8 *p, u8 m) +{ + return (in_8(p) & m) != 0; +} + +static inline void mdio_active(struct fs_enet_mii_bus *bus) +{ + bb_set(bus->bitbang.mdio_dir, bus->bitbang.mdio_msk); +} + +static inline void mdio_tristate(struct fs_enet_mii_bus *bus) +{ + bb_clr(bus->bitbang.mdio_dir, bus->bitbang.mdio_msk); +} + +static inline int mdio_read(struct fs_enet_mii_bus *bus) +{ + return bb_read(bus->bitbang.mdio_dat, bus->bitbang.mdio_msk); +} + +static inline void mdio(struct fs_enet_mii_bus *bus, int what) +{ + if (what) + bb_set(bus->bitbang.mdio_dat, bus->bitbang.mdio_msk); + else + bb_clr(bus->bitbang.mdio_dat, bus->bitbang.mdio_msk); +} + +static inline void mdc(struct fs_enet_mii_bus *bus, int what) +{ + if (what) + bb_set(bus->bitbang.mdc_dat, bus->bitbang.mdc_msk); + else + bb_clr(bus->bitbang.mdc_dat, bus->bitbang.mdc_msk); +} + +static inline void mii_delay(struct fs_enet_mii_bus *bus) +{ + udelay(bus->bus_info->i.bitbang.delay); +} + +/* Utility to send the preamble, address, and register (common to read and write). */ +static void bitbang_pre(struct fs_enet_mii_bus *bus, int read, u8 addr, u8 reg) +{ + int j; + + /* + * Send a 32 bit preamble ('1's) with an extra '1' bit for good measure. + * The IEEE spec says this is a PHY optional requirement. The AMD + * 79C874 requires one after power up and one after a MII communications + * error. This means that we are doing more preambles than we need, + * but it is safer and will be much more robust. + */ + + mdio_active(bus); + mdio(bus, 1); + for (j = 0; j < 32; j++) { + mdc(bus, 0); + mii_delay(bus); + mdc(bus, 1); + mii_delay(bus); + } + + /* send the start bit (01) and the read opcode (10) or write (10) */ + mdc(bus, 0); + mdio(bus, 0); + mii_delay(bus); + mdc(bus, 1); + mii_delay(bus); + mdc(bus, 0); + mdio(bus, 1); + mii_delay(bus); + mdc(bus, 1); + mii_delay(bus); + mdc(bus, 0); + mdio(bus, read); + mii_delay(bus); + mdc(bus, 1); + mii_delay(bus); + mdc(bus, 0); + mdio(bus, !read); + mii_delay(bus); + mdc(bus, 1); + mii_delay(bus); + + /* send the PHY address */ + for (j = 0; j < 5; j++) { + mdc(bus, 0); + mdio(bus, (addr & 0x10) != 0); + mii_delay(bus); + mdc(bus, 1); + mii_delay(bus); + addr <<= 1; + } + + /* send the register address */ + for (j = 0; j < 5; j++) { + mdc(bus, 0); + mdio(bus, (reg & 0x10) != 0); + mii_delay(bus); + mdc(bus, 1); + mii_delay(bus); + reg <<= 1; + } +} + +static int mii_read(struct fs_enet_mii_bus *bus, int phy_id, int location) +{ + u16 rdreg; + int ret, j; + u8 addr = phy_id & 0xff; + u8 reg = location & 0xff; + + bitbang_pre(bus, 1, addr, reg); + + /* tri-state our MDIO I/O pin so we can read */ + mdc(bus, 0); + mdio_tristate(bus); + mii_delay(bus); + mdc(bus, 1); + mii_delay(bus); + + /* check the turnaround bit: the PHY should be driving it to zero */ + if (mdio_read(bus) != 0) { + /* PHY didn't drive TA low */ + for (j = 0; j < 32; j++) { + mdc(bus, 0); + mii_delay(bus); + mdc(bus, 1); + mii_delay(bus); + } + ret = -1; + goto out; + } + + mdc(bus, 0); + mii_delay(bus); + + /* read 16 bits of register data, MSB first */ + rdreg = 0; + for (j = 0; j < 16; j++) { + mdc(bus, 1); + mii_delay(bus); + rdreg <<= 1; + rdreg |= mdio_read(bus); + mdc(bus, 0); + mii_delay(bus); + } + + mdc(bus, 1); + mii_delay(bus); + mdc(bus, 0); + mii_delay(bus); + mdc(bus, 1); + mii_delay(bus); + + ret = rdreg; +out: + return ret; +} + +static void mii_write(struct fs_enet_mii_bus *bus, int phy_id, int location, int val) +{ + int j; + u8 addr = phy_id & 0xff; + u8 reg = location & 0xff; + u16 value = val & 0xffff; + + bitbang_pre(bus, 0, addr, reg); + + /* send the turnaround (10) */ + mdc(bus, 0); + mdio(bus, 1); + mii_delay(bus); + mdc(bus, 1); + mii_delay(bus); + mdc(bus, 0); + mdio(bus, 0); + mii_delay(bus); + mdc(bus, 1); + mii_delay(bus); + + /* write 16 bits of register data, MSB first */ + for (j = 0; j < 16; j++) { + mdc(bus, 0); + mdio(bus, (value & 0x8000) != 0); + mii_delay(bus); + mdc(bus, 1); + mii_delay(bus); + value <<= 1; + } + + /* + * Tri-state the MDIO line. + */ + mdio_tristate(bus); + mdc(bus, 0); + mii_delay(bus); + mdc(bus, 1); + mii_delay(bus); +} + +int fs_mii_bitbang_init(struct fs_enet_mii_bus *bus) +{ + const struct fs_mii_bus_info *bi = bus->bus_info; + int r; + + r = bitbang_prep_bit(&bus->bitbang.mdio_dir, + &bus->bitbang.mdio_dat, + &bus->bitbang.mdio_msk, + bi->i.bitbang.mdio_port, + bi->i.bitbang.mdio_bit); + if (r != 0) + return r; + + r = bitbang_prep_bit(&bus->bitbang.mdc_dir, + &bus->bitbang.mdc_dat, + &bus->bitbang.mdc_msk, + bi->i.bitbang.mdc_port, + bi->i.bitbang.mdc_bit); + if (r != 0) + return r; + + bus->mii_read = mii_read; + bus->mii_write = mii_write; + + return 0; +} diff --git a/drivers/net/fs_enet/mii-fixed.c b/drivers/net/fs_enet/mii-fixed.c new file mode 100644 index 000000000000..b3e192d612e5 --- /dev/null +++ b/drivers/net/fs_enet/mii-fixed.c @@ -0,0 +1,92 @@ +/* + * Combined Ethernet driver for Motorola MPC8xx and MPC82xx. + * + * Copyright (c) 2003 Intracom S.A. + * by Pantelis Antoniou <panto@intracom.gr> + * + * 2005 (c) MontaVista Software, Inc. + * Vitaly Bordug <vbordug@ru.mvista.com> + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + + +#include <linux/config.h> +#include <linux/module.h> +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/string.h> +#include <linux/ptrace.h> +#include <linux/errno.h> +#include <linux/ioport.h> +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/pci.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/skbuff.h> +#include <linux/spinlock.h> +#include <linux/mii.h> +#include <linux/ethtool.h> +#include <linux/bitops.h> + +#include <asm/pgtable.h> +#include <asm/irq.h> +#include <asm/uaccess.h> + +#include "fs_enet.h" + +static const u16 mii_regs[7] = { + 0x3100, + 0x786d, + 0x0fff, + 0x0fff, + 0x01e1, + 0x45e1, + 0x0003, +}; + +static int mii_read(struct fs_enet_mii_bus *bus, int phy_id, int location) +{ + int ret = 0; + + if ((unsigned int)location >= ARRAY_SIZE(mii_regs)) + return -1; + + if (location != 5) + ret = mii_regs[location]; + else + ret = bus->fixed.lpa; + + return ret; +} + +static void mii_write(struct fs_enet_mii_bus *bus, int phy_id, int location, int val) +{ + /* do nothing */ +} + +int fs_mii_fixed_init(struct fs_enet_mii_bus *bus) +{ + const struct fs_mii_bus_info *bi = bus->bus_info; + + bus->fixed.lpa = 0x45e1; /* default 100Mb, full duplex */ + + /* if speed is fixed at 10Mb, remove 100Mb modes */ + if (bi->i.fixed.speed == 10) + bus->fixed.lpa &= ~LPA_100; + + /* if duplex is half, remove full duplex modes */ + if (bi->i.fixed.duplex == 0) + bus->fixed.lpa &= ~LPA_DUPLEX; + + bus->mii_read = mii_read; + bus->mii_write = mii_write; + + return 0; +} diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index 6518334b9280..ae5a2ed3b264 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -29,12 +29,7 @@ * define the configuration needed by the board are defined in a * board structure in arch/ppc/platforms (though I do not * discount the possibility that other architectures could one - * day be supported. One assumption the driver currently makes - * is that the PHY is configured in such a way to advertise all - * capabilities. This is a sensible default, and on certain - * PHYs, changing this default encounters substantial errata - * issues. Future versions may remove this requirement, but for - * now, it is best for the firmware to ensure this is the case. + * day be supported. * * The Gianfar Ethernet Controller uses a ring of buffer * descriptors. The beginning is indicated by a register @@ -47,7 +42,7 @@ * corresponding bit in the IMASK register is also set (if * interrupt coalescing is active, then the interrupt may not * happen immediately, but will wait until either a set number - * of frames or amount of time have passed.). In NAPI, the + * of frames or amount of time have passed). In NAPI, the * interrupt handler will signal there is work to be done, and * exit. Without NAPI, the packet(s) will be handled * immediately. Both methods will start at the last known empty @@ -75,6 +70,7 @@ #include <linux/sched.h> #include <linux/string.h> #include <linux/errno.h> +#include <linux/unistd.h> #include <linux/slab.h> #include <linux/interrupt.h> #include <linux/init.h> @@ -97,9 +93,11 @@ #include <linux/version.h> #include <linux/dma-mapping.h> #include <linux/crc32.h> +#include <linux/mii.h> +#include <linux/phy.h> #include "gianfar.h" -#include "gianfar_phy.h" +#include "gianfar_mii.h" #define TX_TIMEOUT (1*HZ) #define SKB_ALLOC_TIMEOUT 1000000 @@ -113,9 +111,8 @@ #endif const char gfar_driver_name[] = "Gianfar Ethernet"; -const char gfar_driver_version[] = "1.1"; +const char gfar_driver_version[] = "1.2"; -int startup_gfar(struct net_device *dev); static int gfar_enet_open(struct net_device *dev); static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev); static void gfar_timeout(struct net_device *dev); @@ -126,17 +123,13 @@ static int gfar_set_mac_address(struct net_device *dev); static int gfar_change_mtu(struct net_device *dev, int new_mtu); static irqreturn_t gfar_error(int irq, void *dev_id, struct pt_regs *regs); static irqreturn_t gfar_transmit(int irq, void *dev_id, struct pt_regs *regs); -static irqreturn_t gfar_receive(int irq, void *dev_id, struct pt_regs *regs); static irqreturn_t gfar_interrupt(int irq, void *dev_id, struct pt_regs *regs); -static irqreturn_t phy_interrupt(int irq, void *dev_id, struct pt_regs *regs); -static void gfar_phy_change(void *data); -static void gfar_phy_timer(unsigned long data); static void adjust_link(struct net_device *dev); static void init_registers(struct net_device *dev); static int init_phy(struct net_device *dev); static int gfar_probe(struct device *device); static int gfar_remove(struct device *device); -void free_skb_resources(struct gfar_private *priv); +static void free_skb_resources(struct gfar_private *priv); static void gfar_set_multi(struct net_device *dev); static void gfar_set_hash_for_addr(struct net_device *dev, u8 *addr); #ifdef CONFIG_GFAR_NAPI @@ -144,7 +137,6 @@ static int gfar_poll(struct net_device *dev, int *budget); #endif int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit); static int gfar_process_frame(struct net_device *dev, struct sk_buff *skb, int length); -static void gfar_phy_startup_timer(unsigned long data); static void gfar_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp); static void gfar_vlan_rx_kill_vid(struct net_device *netdev, uint16_t vid); @@ -162,6 +154,9 @@ int gfar_uses_fcb(struct gfar_private *priv) else return 0; } + +/* Set up the ethernet device structure, private data, + * and anything else we need before we start */ static int gfar_probe(struct device *device) { u32 tempval; @@ -175,7 +170,7 @@ static int gfar_probe(struct device *device) einfo = (struct gianfar_platform_data *) pdev->dev.platform_data; - if (einfo == NULL) { + if (NULL == einfo) { printk(KERN_ERR "gfar %d: Missing additional data!\n", pdev->id); @@ -185,7 +180,7 @@ static int gfar_probe(struct device *device) /* Create an ethernet device instance */ dev = alloc_etherdev(sizeof (*priv)); - if (dev == NULL) + if (NULL == dev) return -ENOMEM; priv = netdev_priv(dev); @@ -207,20 +202,11 @@ static int gfar_probe(struct device *device) priv->regs = (struct gfar *) ioremap(r->start, sizeof (struct gfar)); - if (priv->regs == NULL) { + if (NULL == priv->regs) { err = -ENOMEM; goto regs_fail; } - /* Set the PHY base address */ - priv->phyregs = (struct gfar *) - ioremap(einfo->phy_reg_addr, sizeof (struct gfar)); - - if (priv->phyregs == NULL) { - err = -ENOMEM; - goto phy_regs_fail; - } - spin_lock_init(&priv->lock); dev_set_drvdata(device, dev); @@ -386,12 +372,10 @@ static int gfar_probe(struct device *device) return 0; register_fail: - iounmap((void *) priv->phyregs); -phy_regs_fail: iounmap((void *) priv->regs); regs_fail: free_netdev(dev); - return -ENOMEM; + return err; } static int gfar_remove(struct device *device) @@ -402,108 +386,41 @@ static int gfar_remove(struct device *device) dev_set_drvdata(device, NULL); iounmap((void *) priv->regs); - iounmap((void *) priv->phyregs); free_netdev(dev); return 0; } -/* Configure the PHY for dev. - * returns 0 if success. -1 if failure +/* Initializes driver's PHY state, and attaches to the PHY. + * Returns 0 on success. */ static int init_phy(struct net_device *dev) { struct gfar_private *priv = netdev_priv(dev); - struct phy_info *curphy; - unsigned int timeout = PHY_INIT_TIMEOUT; - struct gfar *phyregs = priv->phyregs; - struct gfar_mii_info *mii_info; - int err; + uint gigabit_support = + priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_GIGABIT ? + SUPPORTED_1000baseT_Full : 0; + struct phy_device *phydev; priv->oldlink = 0; priv->oldspeed = 0; priv->oldduplex = -1; - mii_info = kmalloc(sizeof(struct gfar_mii_info), - GFP_KERNEL); - - if(NULL == mii_info) { - if (netif_msg_ifup(priv)) - printk(KERN_ERR "%s: Could not allocate mii_info\n", - dev->name); - return -ENOMEM; - } - - mii_info->speed = SPEED_1000; - mii_info->duplex = DUPLEX_FULL; - mii_info->pause = 0; - mii_info->link = 1; - - mii_info->advertising = (ADVERTISED_10baseT_Half | - ADVERTISED_10baseT_Full | - ADVERTISED_100baseT_Half | - ADVERTISED_100baseT_Full | - ADVERTISED_1000baseT_Full); - mii_info->autoneg = 1; + phydev = phy_connect(dev, priv->einfo->bus_id, &adjust_link, 0); - spin_lock_init(&mii_info->mdio_lock); - - mii_info->mii_id = priv->einfo->phyid; - - mii_info->dev = dev; - - mii_info->mdio_read = &read_phy_reg; - mii_info->mdio_write = &write_phy_reg; - - priv->mii_info = mii_info; - - /* Reset the management interface */ - gfar_write(&phyregs->miimcfg, MIIMCFG_RESET); - - /* Setup the MII Mgmt clock speed */ - gfar_write(&phyregs->miimcfg, MIIMCFG_INIT_VALUE); - - /* Wait until the bus is free */ - while ((gfar_read(&phyregs->miimind) & MIIMIND_BUSY) && - timeout--) - cpu_relax(); - - if(timeout <= 0) { - printk(KERN_ERR "%s: The MII Bus is stuck!\n", - dev->name); - err = -1; - goto bus_fail; - } - - /* get info for this PHY */ - curphy = get_phy_info(priv->mii_info); - - if (curphy == NULL) { - if (netif_msg_ifup(priv)) - printk(KERN_ERR "%s: No PHY found\n", dev->name); - err = -1; - goto no_phy; + if (IS_ERR(phydev)) { + printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name); + return PTR_ERR(phydev); } - mii_info->phyinfo = curphy; + /* Remove any features not supported by the controller */ + phydev->supported &= (GFAR_SUPPORTED | gigabit_support); + phydev->advertising = phydev->supported; - /* Run the commands which initialize the PHY */ - if(curphy->init) { - err = curphy->init(priv->mii_info); - - if (err) - goto phy_init_fail; - } + priv->phydev = phydev; return 0; - -phy_init_fail: -no_phy: -bus_fail: - kfree(mii_info); - - return err; } static void init_registers(struct net_device *dev) @@ -603,24 +520,13 @@ void stop_gfar(struct net_device *dev) struct gfar *regs = priv->regs; unsigned long flags; + phy_stop(priv->phydev); + /* Lock it down */ spin_lock_irqsave(&priv->lock, flags); - /* Tell the kernel the link is down */ - priv->mii_info->link = 0; - adjust_link(dev); - gfar_halt(dev); - if (priv->einfo->board_flags & FSL_GIANFAR_BRD_HAS_PHY_INTR) { - /* Clear any pending interrupts */ - mii_clear_phy_interrupt(priv->mii_info); - - /* Disable PHY Interrupts */ - mii_configure_phy_interrupt(priv->mii_info, - MII_INTERRUPT_DISABLED); - } - spin_unlock_irqrestore(&priv->lock, flags); /* Free the IRQs */ @@ -629,13 +535,7 @@ void stop_gfar(struct net_device *dev) free_irq(priv->interruptTransmit, dev); free_irq(priv->interruptReceive, dev); } else { - free_irq(priv->interruptTransmit, dev); - } - - if (priv->einfo->board_flags & FSL_GIANFAR_BRD_HAS_PHY_INTR) { - free_irq(priv->einfo->interruptPHY, dev); - } else { - del_timer_sync(&priv->phy_info_timer); + free_irq(priv->interruptTransmit, dev); } free_skb_resources(priv); @@ -649,7 +549,7 @@ void stop_gfar(struct net_device *dev) /* If there are any tx skbs or rx skbs still around, free them. * Then free tx_skbuff and rx_skbuff */ -void free_skb_resources(struct gfar_private *priv) +static void free_skb_resources(struct gfar_private *priv) { struct rxbd8 *rxbdp; struct txbd8 *txbdp; @@ -770,7 +670,7 @@ int startup_gfar(struct net_device *dev) (struct sk_buff **) kmalloc(sizeof (struct sk_buff *) * priv->tx_ring_size, GFP_KERNEL); - if (priv->tx_skbuff == NULL) { + if (NULL == priv->tx_skbuff) { if (netif_msg_ifup(priv)) printk(KERN_ERR "%s: Could not allocate tx_skbuff\n", dev->name); @@ -785,7 +685,7 @@ int startup_gfar(struct net_device *dev) (struct sk_buff **) kmalloc(sizeof (struct sk_buff *) * priv->rx_ring_size, GFP_KERNEL); - if (priv->rx_skbuff == NULL) { + if (NULL == priv->rx_skbuff) { if (netif_msg_ifup(priv)) printk(KERN_ERR "%s: Could not allocate rx_skbuff\n", dev->name); @@ -879,13 +779,7 @@ int startup_gfar(struct net_device *dev) } } - /* Set up the PHY change work queue */ - INIT_WORK(&priv->tq, gfar_phy_change, dev); - - init_timer(&priv->phy_info_timer); - priv->phy_info_timer.function = &gfar_phy_startup_timer; - priv->phy_info_timer.data = (unsigned long) priv->mii_info; - mod_timer(&priv->phy_info_timer, jiffies + HZ); + phy_start(priv->phydev); /* Configure the coalescing support */ if (priv->txcoalescing) @@ -933,11 +827,6 @@ tx_skb_fail: priv->tx_bd_base, gfar_read(®s->tbase0)); - if (priv->mii_info->phyinfo->close) - priv->mii_info->phyinfo->close(priv->mii_info); - - kfree(priv->mii_info); - return err; } @@ -1035,7 +924,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) txbdp->status &= TXBD_WRAP; /* Set up checksumming */ - if ((dev->features & NETIF_F_IP_CSUM) + if ((dev->features & NETIF_F_IP_CSUM) && (CHECKSUM_HW == skb->ip_summed)) { fcb = gfar_add_fcb(skb, txbdp); gfar_tx_checksum(skb, fcb); @@ -1103,11 +992,9 @@ static int gfar_close(struct net_device *dev) struct gfar_private *priv = netdev_priv(dev); stop_gfar(dev); - /* Shutdown the PHY */ - if (priv->mii_info->phyinfo->close) - priv->mii_info->phyinfo->close(priv->mii_info); - - kfree(priv->mii_info); + /* Disconnect from the PHY */ + phy_disconnect(priv->phydev); + priv->phydev = NULL; netif_stop_queue(dev); @@ -1343,7 +1230,7 @@ struct sk_buff * gfar_new_skb(struct net_device *dev, struct rxbd8 *bdp) while ((!skb) && timeout--) skb = dev_alloc_skb(priv->rx_buffer_size + RXBUF_ALIGNMENT); - if (skb == NULL) + if (NULL == skb) return NULL; /* We need the data buffer to be aligned properly. We will reserve @@ -1490,7 +1377,7 @@ static int gfar_process_frame(struct net_device *dev, struct sk_buff *skb, struct gfar_private *priv = netdev_priv(dev); struct rxfcb *fcb = NULL; - if (skb == NULL) { + if (NULL == skb) { if (netif_msg_rx_err(priv)) printk(KERN_WARNING "%s: Missing skb!!.\n", dev->name); priv->stats.rx_dropped++; @@ -1718,131 +1605,9 @@ static irqreturn_t gfar_interrupt(int irq, void *dev_id, struct pt_regs *regs) return IRQ_HANDLED; } -static irqreturn_t phy_interrupt(int irq, void *dev_id, struct pt_regs *regs) -{ - struct net_device *dev = (struct net_device *) dev_id; - struct gfar_private *priv = netdev_priv(dev); - - /* Clear the interrupt */ - mii_clear_phy_interrupt(priv->mii_info); - - /* Disable PHY interrupts */ - mii_configure_phy_interrupt(priv->mii_info, - MII_INTERRUPT_DISABLED); - - /* Schedule the phy change */ - schedule_work(&priv->tq); - - return IRQ_HANDLED; -} - -/* Scheduled by the phy_interrupt/timer to handle PHY changes */ -static void gfar_phy_change(void *data) -{ - struct net_device *dev = (struct net_device *) data; - struct gfar_private *priv = netdev_priv(dev); - int result = 0; - - /* Delay to give the PHY a chance to change the - * register state */ - msleep(1); - - /* Update the link, speed, duplex */ - result = priv->mii_info->phyinfo->read_status(priv->mii_info); - - /* Adjust the known status as long as the link - * isn't still coming up */ - if((0 == result) || (priv->mii_info->link == 0)) - adjust_link(dev); - - /* Reenable interrupts, if needed */ - if (priv->einfo->board_flags & FSL_GIANFAR_BRD_HAS_PHY_INTR) - mii_configure_phy_interrupt(priv->mii_info, - MII_INTERRUPT_ENABLED); -} - -/* Called every so often on systems that don't interrupt - * the core for PHY changes */ -static void gfar_phy_timer(unsigned long data) -{ - struct net_device *dev = (struct net_device *) data; - struct gfar_private *priv = netdev_priv(dev); - - schedule_work(&priv->tq); - - mod_timer(&priv->phy_info_timer, jiffies + - GFAR_PHY_CHANGE_TIME * HZ); -} - -/* Keep trying aneg for some time - * If, after GFAR_AN_TIMEOUT seconds, it has not - * finished, we switch to forced. - * Either way, once the process has completed, we either - * request the interrupt, or switch the timer over to - * using gfar_phy_timer to check status */ -static void gfar_phy_startup_timer(unsigned long data) -{ - int result; - static int secondary = GFAR_AN_TIMEOUT; - struct gfar_mii_info *mii_info = (struct gfar_mii_info *)data; - struct gfar_private *priv = netdev_priv(mii_info->dev); - - /* Configure the Auto-negotiation */ - result = mii_info->phyinfo->config_aneg(mii_info); - - /* If autonegotiation failed to start, and - * we haven't timed out, reset the timer, and return */ - if (result && secondary--) { - mod_timer(&priv->phy_info_timer, jiffies + HZ); - return; - } else if (result) { - /* Couldn't start autonegotiation. - * Try switching to forced */ - mii_info->autoneg = 0; - result = mii_info->phyinfo->config_aneg(mii_info); - - /* Forcing failed! Give up */ - if(result) { - if (netif_msg_link(priv)) - printk(KERN_ERR "%s: Forcing failed!\n", - mii_info->dev->name); - return; - } - } - - /* Kill the timer so it can be restarted */ - del_timer_sync(&priv->phy_info_timer); - - /* Grab the PHY interrupt, if necessary/possible */ - if (priv->einfo->board_flags & FSL_GIANFAR_BRD_HAS_PHY_INTR) { - if (request_irq(priv->einfo->interruptPHY, - phy_interrupt, - SA_SHIRQ, - "phy_interrupt", - mii_info->dev) < 0) { - if (netif_msg_intr(priv)) - printk(KERN_ERR "%s: Can't get IRQ %d (PHY)\n", - mii_info->dev->name, - priv->einfo->interruptPHY); - } else { - mii_configure_phy_interrupt(priv->mii_info, - MII_INTERRUPT_ENABLED); - return; - } - } - - /* Start the timer again, this time in order to - * handle a change in status */ - init_timer(&priv->phy_info_timer); - priv->phy_info_timer.function = &gfar_phy_timer; - priv->phy_info_timer.data = (unsigned long) mii_info->dev; - mod_timer(&priv->phy_info_timer, jiffies + - GFAR_PHY_CHANGE_TIME * HZ); -} - /* Called every time the controller might need to be made * aware of new link state. The PHY code conveys this - * information through variables in the priv structure, and this + * information through variables in the phydev structure, and this * function converts those variables into the appropriate * register values, and can bring down the device if needed. */ @@ -1850,84 +1615,68 @@ static void adjust_link(struct net_device *dev) { struct gfar_private *priv = netdev_priv(dev); struct gfar *regs = priv->regs; - u32 tempval; - struct gfar_mii_info *mii_info = priv->mii_info; + unsigned long flags; + struct phy_device *phydev = priv->phydev; + int new_state = 0; + + spin_lock_irqsave(&priv->lock, flags); + if (phydev->link) { + u32 tempval = gfar_read(®s->maccfg2); - if (mii_info->link) { /* Now we make sure that we can be in full duplex mode. * If not, we operate in half-duplex mode. */ - if (mii_info->duplex != priv->oldduplex) { - if (!(mii_info->duplex)) { - tempval = gfar_read(®s->maccfg2); + if (phydev->duplex != priv->oldduplex) { + new_state = 1; + if (!(phydev->duplex)) tempval &= ~(MACCFG2_FULL_DUPLEX); - gfar_write(®s->maccfg2, tempval); - - if (netif_msg_link(priv)) - printk(KERN_INFO "%s: Half Duplex\n", - dev->name); - } else { - tempval = gfar_read(®s->maccfg2); + else tempval |= MACCFG2_FULL_DUPLEX; - gfar_write(®s->maccfg2, tempval); - if (netif_msg_link(priv)) - printk(KERN_INFO "%s: Full Duplex\n", - dev->name); - } - - priv->oldduplex = mii_info->duplex; + priv->oldduplex = phydev->duplex; } - if (mii_info->speed != priv->oldspeed) { - switch (mii_info->speed) { + if (phydev->speed != priv->oldspeed) { + new_state = 1; + switch (phydev->speed) { case 1000: - tempval = gfar_read(®s->maccfg2); tempval = ((tempval & ~(MACCFG2_IF)) | MACCFG2_GMII); - gfar_write(®s->maccfg2, tempval); break; case 100: case 10: - tempval = gfar_read(®s->maccfg2); tempval = ((tempval & ~(MACCFG2_IF)) | MACCFG2_MII); - gfar_write(®s->maccfg2, tempval); break; default: if (netif_msg_link(priv)) printk(KERN_WARNING - "%s: Ack! Speed (%d) is not 10/100/1000!\n", - dev->name, mii_info->speed); + "%s: Ack! Speed (%d) is not 10/100/1000!\n", + dev->name, phydev->speed); break; } - if (netif_msg_link(priv)) - printk(KERN_INFO "%s: Speed %dBT\n", dev->name, - mii_info->speed); - - priv->oldspeed = mii_info->speed; + priv->oldspeed = phydev->speed; } + gfar_write(®s->maccfg2, tempval); + if (!priv->oldlink) { - if (netif_msg_link(priv)) - printk(KERN_INFO "%s: Link is up\n", dev->name); + new_state = 1; priv->oldlink = 1; - netif_carrier_on(dev); netif_schedule(dev); } - } else { - if (priv->oldlink) { - if (netif_msg_link(priv)) - printk(KERN_INFO "%s: Link is down\n", - dev->name); - priv->oldlink = 0; - priv->oldspeed = 0; - priv->oldduplex = -1; - netif_carrier_off(dev); - } + } else if (priv->oldlink) { + new_state = 1; + priv->oldlink = 0; + priv->oldspeed = 0; + priv->oldduplex = -1; } -} + if (new_state && netif_msg_link(priv)) + phy_print_status(phydev); + + spin_unlock_irqrestore(&priv->lock, flags); +} /* Update the hash table based on the current list of multicast * addresses we subscribe to. Also, change the promiscuity of @@ -2122,12 +1871,23 @@ static struct device_driver gfar_driver = { static int __init gfar_init(void) { - return driver_register(&gfar_driver); + int err = gfar_mdio_init(); + + if (err) + return err; + + err = driver_register(&gfar_driver); + + if (err) + gfar_mdio_exit(); + + return err; } static void __exit gfar_exit(void) { driver_unregister(&gfar_driver); + gfar_mdio_exit(); } module_init(gfar_init); diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h index 28af087d9fbb..c77ca6c0d04a 100644 --- a/drivers/net/gianfar.h +++ b/drivers/net/gianfar.h @@ -17,7 +17,6 @@ * * Still left to do: * -Add support for module parameters - * -Add support for ethtool -s * -Add patch for ethtool phys id */ #ifndef __GIANFAR_H @@ -37,7 +36,8 @@ #include <linux/skbuff.h> #include <linux/spinlock.h> #include <linux/mm.h> -#include <linux/fsl_devices.h> +#include <linux/mii.h> +#include <linux/phy.h> #include <asm/io.h> #include <asm/irq.h> @@ -48,7 +48,8 @@ #include <linux/workqueue.h> #include <linux/ethtool.h> #include <linux/netdevice.h> -#include "gianfar_phy.h" +#include <linux/fsl_devices.h> +#include "gianfar_mii.h" /* The maximum number of packets to be handled in one call of gfar_poll */ #define GFAR_DEV_WEIGHT 64 @@ -73,7 +74,7 @@ #define PHY_INIT_TIMEOUT 100000 #define GFAR_PHY_CHANGE_TIME 2 -#define DEVICE_NAME "%s: Gianfar Ethernet Controller Version 1.1, " +#define DEVICE_NAME "%s: Gianfar Ethernet Controller Version 1.2, " #define DRV_NAME "gfar-enet" extern const char gfar_driver_name[]; extern const char gfar_driver_version[]; @@ -578,12 +579,7 @@ struct gfar { u32 hafdup; /* 0x.50c - Half Duplex Register */ u32 maxfrm; /* 0x.510 - Maximum Frame Length Register */ u8 res18[12]; - u32 miimcfg; /* 0x.520 - MII Management Configuration Register */ - u32 miimcom; /* 0x.524 - MII Management Command Register */ - u32 miimadd; /* 0x.528 - MII Management Address Register */ - u32 miimcon; /* 0x.52c - MII Management Control Register */ - u32 miimstat; /* 0x.530 - MII Management Status Register */ - u32 miimind; /* 0x.534 - MII Management Indicator Register */ + u8 gfar_mii_regs[24]; /* See gianfar_phy.h */ u8 res19[4]; u32 ifstat; /* 0x.53c - Interface Status Register */ u32 macstnaddr1; /* 0x.540 - Station Address Part 1 Register */ @@ -688,9 +684,6 @@ struct gfar_private { struct gfar *regs; /* Pointer to the GFAR memory mapped Registers */ u32 *hash_regs[16]; int hash_width; - struct gfar *phyregs; - struct work_struct tq; - struct timer_list phy_info_timer; struct net_device_stats stats; /* linux network statistics */ struct gfar_extra_stats extra_stats; spinlock_t lock; @@ -710,7 +703,8 @@ struct gfar_private { unsigned int interruptError; struct gianfar_platform_data *einfo; - struct gfar_mii_info *mii_info; + struct phy_device *phydev; + struct mii_bus *mii_bus; int oldspeed; int oldduplex; int oldlink; @@ -732,4 +726,12 @@ extern inline void gfar_write(volatile unsigned *addr, u32 val) extern struct ethtool_ops *gfar_op_array[]; +extern irqreturn_t gfar_receive(int irq, void *dev_id, struct pt_regs *regs); +extern int startup_gfar(struct net_device *dev); +extern void stop_gfar(struct net_device *dev); +extern void gfar_halt(struct net_device *dev); +extern void gfar_phy_test(struct mii_bus *bus, struct phy_device *phydev, + int enable, u32 regnum, u32 read); +void gfar_setup_stashing(struct net_device *dev); + #endif /* __GIANFAR_H */ diff --git a/drivers/net/gianfar_ethtool.c b/drivers/net/gianfar_ethtool.c index a451de629197..68e3578e7613 100644 --- a/drivers/net/gianfar_ethtool.c +++ b/drivers/net/gianfar_ethtool.c @@ -39,17 +39,18 @@ #include <asm/types.h> #include <asm/uaccess.h> #include <linux/ethtool.h> +#include <linux/mii.h> +#include <linux/phy.h> #include "gianfar.h" #define is_power_of_2(x) ((x) != 0 && (((x) & ((x) - 1)) == 0)) -extern int startup_gfar(struct net_device *dev); -extern void stop_gfar(struct net_device *dev); -extern void gfar_halt(struct net_device *dev); extern void gfar_start(struct net_device *dev); extern int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit); +#define GFAR_MAX_COAL_USECS 0xffff +#define GFAR_MAX_COAL_FRAMES 0xff static void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy, u64 * buf); static void gfar_gstrings(struct net_device *dev, u32 stringset, u8 * buf); @@ -182,38 +183,32 @@ static void gfar_gdrvinfo(struct net_device *dev, struct drvinfo->eedump_len = 0; } + +static int gfar_ssettings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct gfar_private *priv = netdev_priv(dev); + struct phy_device *phydev = priv->phydev; + + if (NULL == phydev) + return -ENODEV; + + return phy_ethtool_sset(phydev, cmd); +} + + /* Return the current settings in the ethtool_cmd structure */ static int gfar_gsettings(struct net_device *dev, struct ethtool_cmd *cmd) { struct gfar_private *priv = netdev_priv(dev); - uint gigabit_support = - priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_GIGABIT ? - SUPPORTED_1000baseT_Full : 0; - uint gigabit_advert = - priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_GIGABIT ? - ADVERTISED_1000baseT_Full: 0; - - cmd->supported = (SUPPORTED_10baseT_Half - | SUPPORTED_100baseT_Half - | SUPPORTED_100baseT_Full - | gigabit_support | SUPPORTED_Autoneg); - - /* For now, we always advertise everything */ - cmd->advertising = (ADVERTISED_10baseT_Half - | ADVERTISED_100baseT_Half - | ADVERTISED_100baseT_Full - | gigabit_advert | ADVERTISED_Autoneg); - - cmd->speed = priv->mii_info->speed; - cmd->duplex = priv->mii_info->duplex; - cmd->port = PORT_MII; - cmd->phy_address = priv->mii_info->mii_id; - cmd->transceiver = XCVR_EXTERNAL; - cmd->autoneg = AUTONEG_ENABLE; + struct phy_device *phydev = priv->phydev; + + if (NULL == phydev) + return -ENODEV; + cmd->maxtxpkt = priv->txcount; cmd->maxrxpkt = priv->rxcount; - return 0; + return phy_ethtool_gset(phydev, cmd); } /* Return the length of the register structure */ @@ -241,14 +236,14 @@ static unsigned int gfar_usecs2ticks(struct gfar_private *priv, unsigned int use unsigned int count; /* The timer is different, depending on the interface speed */ - switch (priv->mii_info->speed) { - case 1000: + switch (priv->phydev->speed) { + case SPEED_1000: count = GFAR_GBIT_TIME; break; - case 100: + case SPEED_100: count = GFAR_100_TIME; break; - case 10: + case SPEED_10: default: count = GFAR_10_TIME; break; @@ -265,14 +260,14 @@ static unsigned int gfar_ticks2usecs(struct gfar_private *priv, unsigned int tic unsigned int count; /* The timer is different, depending on the interface speed */ - switch (priv->mii_info->speed) { - case 1000: + switch (priv->phydev->speed) { + case SPEED_1000: count = GFAR_GBIT_TIME; break; - case 100: + case SPEED_100: count = GFAR_100_TIME; break; - case 10: + case SPEED_10: default: count = GFAR_10_TIME; break; @@ -292,6 +287,9 @@ static int gfar_gcoalesce(struct net_device *dev, struct ethtool_coalesce *cvals if (!(priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE)) return -EOPNOTSUPP; + if (NULL == priv->phydev) + return -ENODEV; + cvals->rx_coalesce_usecs = gfar_ticks2usecs(priv, priv->rxtime); cvals->rx_max_coalesced_frames = priv->rxcount; @@ -348,6 +346,22 @@ static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals else priv->rxcoalescing = 1; + if (NULL == priv->phydev) + return -ENODEV; + + /* Check the bounds of the values */ + if (cvals->rx_coalesce_usecs > GFAR_MAX_COAL_USECS) { + pr_info("Coalescing is limited to %d microseconds\n", + GFAR_MAX_COAL_USECS); + return -EINVAL; + } + + if (cvals->rx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) { + pr_info("Coalescing is limited to %d frames\n", + GFAR_MAX_COAL_FRAMES); + return -EINVAL; + } + priv->rxtime = gfar_usecs2ticks(priv, cvals->rx_coalesce_usecs); priv->rxcount = cvals->rx_max_coalesced_frames; @@ -358,6 +372,19 @@ static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals else priv->txcoalescing = 1; + /* Check the bounds of the values */ + if (cvals->tx_coalesce_usecs > GFAR_MAX_COAL_USECS) { + pr_info("Coalescing is limited to %d microseconds\n", + GFAR_MAX_COAL_USECS); + return -EINVAL; + } + + if (cvals->tx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) { + pr_info("Coalescing is limited to %d frames\n", + GFAR_MAX_COAL_FRAMES); + return -EINVAL; + } + priv->txtime = gfar_usecs2ticks(priv, cvals->tx_coalesce_usecs); priv->txcount = cvals->tx_max_coalesced_frames; @@ -536,6 +563,7 @@ static void gfar_set_msglevel(struct net_device *dev, uint32_t data) struct ethtool_ops gfar_ethtool_ops = { .get_settings = gfar_gsettings, + .set_settings = gfar_ssettings, .get_drvinfo = gfar_gdrvinfo, .get_regs_len = gfar_reglen, .get_regs = gfar_get_regs, diff --git a/drivers/net/gianfar_mii.c b/drivers/net/gianfar_mii.c new file mode 100644 index 000000000000..1eca1dbca7f1 --- /dev/null +++ b/drivers/net/gianfar_mii.c @@ -0,0 +1,219 @@ +/* + * drivers/net/gianfar_mii.c + * + * Gianfar Ethernet Driver -- MIIM bus implementation + * Provides Bus interface for MIIM regs + * + * Author: Andy Fleming + * Maintainer: Kumar Gala (kumar.gala@freescale.com) + * + * Copyright (c) 2002-2004 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/string.h> +#include <linux/errno.h> +#include <linux/unistd.h> +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/skbuff.h> +#include <linux/spinlock.h> +#include <linux/mm.h> +#include <linux/module.h> +#include <linux/version.h> +#include <asm/ocp.h> +#include <linux/crc32.h> +#include <linux/mii.h> +#include <linux/phy.h> + +#include <asm/io.h> +#include <asm/irq.h> +#include <asm/uaccess.h> + +#include "gianfar.h" +#include "gianfar_mii.h" + +/* Write value to the PHY at mii_id at register regnum, + * on the bus, waiting until the write is done before returning. + * All PHY configuration is done through the TSEC1 MIIM regs */ +int gfar_mdio_write(struct mii_bus *bus, int mii_id, int regnum, u16 value) +{ + struct gfar_mii *regs = bus->priv; + + /* Set the PHY address and the register address we want to write */ + gfar_write(®s->miimadd, (mii_id << 8) | regnum); + + /* Write out the value we want */ + gfar_write(®s->miimcon, value); + + /* Wait for the transaction to finish */ + while (gfar_read(®s->miimind) & MIIMIND_BUSY) + cpu_relax(); + + return 0; +} + +/* Read the bus for PHY at addr mii_id, register regnum, and + * return the value. Clears miimcom first. All PHY + * configuration has to be done through the TSEC1 MIIM regs */ +int gfar_mdio_read(struct mii_bus *bus, int mii_id, int regnum) +{ + struct gfar_mii *regs = bus->priv; + u16 value; + + /* Set the PHY address and the register address we want to read */ + gfar_write(®s->miimadd, (mii_id << 8) | regnum); + + /* Clear miimcom, and then initiate a read */ + gfar_write(®s->miimcom, 0); + gfar_write(®s->miimcom, MII_READ_COMMAND); + + /* Wait for the transaction to finish */ + while (gfar_read(®s->miimind) & (MIIMIND_NOTVALID | MIIMIND_BUSY)) + cpu_relax(); + + /* Grab the value of the register from miimstat */ + value = gfar_read(®s->miimstat); + + return value; +} + + +/* Reset the MIIM registers, and wait for the bus to free */ +int gfar_mdio_reset(struct mii_bus *bus) +{ + struct gfar_mii *regs = bus->priv; + unsigned int timeout = PHY_INIT_TIMEOUT; + + spin_lock_bh(&bus->mdio_lock); + + /* Reset the management interface */ + gfar_write(®s->miimcfg, MIIMCFG_RESET); + + /* Setup the MII Mgmt clock speed */ + gfar_write(®s->miimcfg, MIIMCFG_INIT_VALUE); + + /* Wait until the bus is free */ + while ((gfar_read(®s->miimind) & MIIMIND_BUSY) && + timeout--) + cpu_relax(); + + spin_unlock_bh(&bus->mdio_lock); + + if(timeout <= 0) { + printk(KERN_ERR "%s: The MII Bus is stuck!\n", + bus->name); + return -EBUSY; + } + + return 0; +} + + +int gfar_mdio_probe(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct gianfar_mdio_data *pdata; + struct gfar_mii *regs; + struct mii_bus *new_bus; + int err = 0; + + if (NULL == dev) + return -EINVAL; + + new_bus = kmalloc(sizeof(struct mii_bus), GFP_KERNEL); + + if (NULL == new_bus) + return -ENOMEM; + + new_bus->name = "Gianfar MII Bus", + new_bus->read = &gfar_mdio_read, + new_bus->write = &gfar_mdio_write, + new_bus->reset = &gfar_mdio_reset, + new_bus->id = pdev->id; + + pdata = (struct gianfar_mdio_data *)pdev->dev.platform_data; + + if (NULL == pdata) { + printk(KERN_ERR "gfar mdio %d: Missing platform data!\n", pdev->id); + return -ENODEV; + } + + /* Set the PHY base address */ + regs = (struct gfar_mii *) ioremap(pdata->paddr, + sizeof (struct gfar_mii)); + + if (NULL == regs) { + err = -ENOMEM; + goto reg_map_fail; + } + + new_bus->priv = regs; + + new_bus->irq = pdata->irq; + + new_bus->dev = dev; + dev_set_drvdata(dev, new_bus); + + err = mdiobus_register(new_bus); + + if (0 != err) { + printk (KERN_ERR "%s: Cannot register as MDIO bus\n", + new_bus->name); + goto bus_register_fail; + } + + return 0; + +bus_register_fail: + iounmap((void *) regs); +reg_map_fail: + kfree(new_bus); + + return err; +} + + +int gfar_mdio_remove(struct device *dev) +{ + struct mii_bus *bus = dev_get_drvdata(dev); + + mdiobus_unregister(bus); + + dev_set_drvdata(dev, NULL); + + iounmap((void *) (&bus->priv)); + bus->priv = NULL; + kfree(bus); + + return 0; +} + +static struct device_driver gianfar_mdio_driver = { + .name = "fsl-gianfar_mdio", + .bus = &platform_bus_type, + .probe = gfar_mdio_probe, + .remove = gfar_mdio_remove, +}; + +int __init gfar_mdio_init(void) +{ + return driver_register(&gianfar_mdio_driver); +} + +void __exit gfar_mdio_exit(void) +{ + driver_unregister(&gianfar_mdio_driver); +} diff --git a/drivers/net/gianfar_mii.h b/drivers/net/gianfar_mii.h new file mode 100644 index 000000000000..56e5665d5c9b --- /dev/null +++ b/drivers/net/gianfar_mii.h @@ -0,0 +1,45 @@ +/* + * drivers/net/gianfar_mii.h + * + * Gianfar Ethernet Driver -- MII Management Bus Implementation + * Driver for the MDIO bus controller in the Gianfar register space + * + * Author: Andy Fleming + * Maintainer: Kumar Gala (kumar.gala@freescale.com) + * + * Copyright (c) 2002-2004 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ +#ifndef __GIANFAR_MII_H +#define __GIANFAR_MII_H + +#define MIIMIND_BUSY 0x00000001 +#define MIIMIND_NOTVALID 0x00000004 + +#define MII_READ_COMMAND 0x00000001 + +#define GFAR_SUPPORTED (SUPPORTED_10baseT_Half \ + | SUPPORTED_100baseT_Half \ + | SUPPORTED_100baseT_Full \ + | SUPPORTED_Autoneg \ + | SUPPORTED_MII) + +struct gfar_mii { + u32 miimcfg; /* 0x.520 - MII Management Config Register */ + u32 miimcom; /* 0x.524 - MII Management Command Register */ + u32 miimadd; /* 0x.528 - MII Management Address Register */ + u32 miimcon; /* 0x.52c - MII Management Control Register */ + u32 miimstat; /* 0x.530 - MII Management Status Register */ + u32 miimind; /* 0x.534 - MII Management Indicator Register */ +}; + +int gfar_mdio_read(struct mii_bus *bus, int mii_id, int regnum); +int gfar_mdio_write(struct mii_bus *bus, int mii_id, int regnum, u16 value); +int __init gfar_mdio_init(void); +void __exit gfar_mdio_exit(void); +#endif /* GIANFAR_PHY_H */ diff --git a/drivers/net/gianfar_phy.c b/drivers/net/gianfar_phy.c deleted file mode 100644 index 7c965f268a82..000000000000 --- a/drivers/net/gianfar_phy.c +++ /dev/null @@ -1,661 +0,0 @@ -/* - * drivers/net/gianfar_phy.c - * - * Gianfar Ethernet Driver -- PHY handling - * Driver for FEC on MPC8540 and TSEC on MPC8540/MPC8560 - * Based on 8260_io/fcc_enet.c - * - * Author: Andy Fleming - * Maintainer: Kumar Gala (kumar.gala@freescale.com) - * - * Copyright (c) 2002-2004 Freescale Semiconductor, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - */ - -#include <linux/config.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/string.h> -#include <linux/errno.h> -#include <linux/slab.h> -#include <linux/interrupt.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/spinlock.h> -#include <linux/mm.h> - -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/uaccess.h> -#include <linux/module.h> -#include <linux/version.h> -#include <linux/crc32.h> -#include <linux/mii.h> - -#include "gianfar.h" -#include "gianfar_phy.h" - -static void config_genmii_advert(struct gfar_mii_info *mii_info); -static void genmii_setup_forced(struct gfar_mii_info *mii_info); -static void genmii_restart_aneg(struct gfar_mii_info *mii_info); -static int gbit_config_aneg(struct gfar_mii_info *mii_info); -static int genmii_config_aneg(struct gfar_mii_info *mii_info); -static int genmii_update_link(struct gfar_mii_info *mii_info); -static int genmii_read_status(struct gfar_mii_info *mii_info); -u16 phy_read(struct gfar_mii_info *mii_info, u16 regnum); -void phy_write(struct gfar_mii_info *mii_info, u16 regnum, u16 val); - -/* Write value to the PHY for this device to the register at regnum, */ -/* waiting until the write is done before it returns. All PHY */ -/* configuration has to be done through the TSEC1 MIIM regs */ -void write_phy_reg(struct net_device *dev, int mii_id, int regnum, int value) -{ - struct gfar_private *priv = netdev_priv(dev); - struct gfar *regbase = priv->phyregs; - - /* Set the PHY address and the register address we want to write */ - gfar_write(®base->miimadd, (mii_id << 8) | regnum); - - /* Write out the value we want */ - gfar_write(®base->miimcon, value); - - /* Wait for the transaction to finish */ - while (gfar_read(®base->miimind) & MIIMIND_BUSY) - cpu_relax(); -} - -/* Reads from register regnum in the PHY for device dev, */ -/* returning the value. Clears miimcom first. All PHY */ -/* configuration has to be done through the TSEC1 MIIM regs */ -int read_phy_reg(struct net_device *dev, int mii_id, int regnum) -{ - struct gfar_private *priv = netdev_priv(dev); - struct gfar *regbase = priv->phyregs; - u16 value; - - /* Set the PHY address and the register address we want to read */ - gfar_write(®base->miimadd, (mii_id << 8) | regnum); - - /* Clear miimcom, and then initiate a read */ - gfar_write(®base->miimcom, 0); - gfar_write(®base->miimcom, MII_READ_COMMAND); - - /* Wait for the transaction to finish */ - while (gfar_read(®base->miimind) & (MIIMIND_NOTVALID | MIIMIND_BUSY)) - cpu_relax(); - - /* Grab the value of the register from miimstat */ - value = gfar_read(®base->miimstat); - - return value; -} - -void mii_clear_phy_interrupt(struct gfar_mii_info *mii_info) -{ - if(mii_info->phyinfo->ack_interrupt) - mii_info->phyinfo->ack_interrupt(mii_info); -} - - -void mii_configure_phy_interrupt(struct gfar_mii_info *mii_info, u32 interrupts) -{ - mii_info->interrupts = interrupts; - if(mii_info->phyinfo->config_intr) - mii_info->phyinfo->config_intr(mii_info); -} - - -/* Writes MII_ADVERTISE with the appropriate values, after - * sanitizing advertise to make sure only supported features - * are advertised - */ -static void config_genmii_advert(struct gfar_mii_info *mii_info) -{ - u32 advertise; - u16 adv; - - /* Only allow advertising what this PHY supports */ - mii_info->advertising &= mii_info->phyinfo->features; - advertise = mii_info->advertising; - - /* Setup standard advertisement */ - adv = phy_read(mii_info, MII_ADVERTISE); - adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4); - if (advertise & ADVERTISED_10baseT_Half) - adv |= ADVERTISE_10HALF; - if (advertise & ADVERTISED_10baseT_Full) - adv |= ADVERTISE_10FULL; - if (advertise & ADVERTISED_100baseT_Half) - adv |= ADVERTISE_100HALF; - if (advertise & ADVERTISED_100baseT_Full) - adv |= ADVERTISE_100FULL; - phy_write(mii_info, MII_ADVERTISE, adv); -} - -static void genmii_setup_forced(struct gfar_mii_info *mii_info) -{ - u16 ctrl; - u32 features = mii_info->phyinfo->features; - - ctrl = phy_read(mii_info, MII_BMCR); - - ctrl &= ~(BMCR_FULLDPLX|BMCR_SPEED100|BMCR_SPEED1000|BMCR_ANENABLE); - ctrl |= BMCR_RESET; - - switch(mii_info->speed) { - case SPEED_1000: - if(features & (SUPPORTED_1000baseT_Half - | SUPPORTED_1000baseT_Full)) { - ctrl |= BMCR_SPEED1000; - break; - } - mii_info->speed = SPEED_100; - case SPEED_100: - if (features & (SUPPORTED_100baseT_Half - | SUPPORTED_100baseT_Full)) { - ctrl |= BMCR_SPEED100; - break; - } - mii_info->speed = SPEED_10; - case SPEED_10: - if (features & (SUPPORTED_10baseT_Half - | SUPPORTED_10baseT_Full)) - break; - default: /* Unsupported speed! */ - printk(KERN_ERR "%s: Bad speed!\n", - mii_info->dev->name); - break; - } - - phy_write(mii_info, MII_BMCR, ctrl); -} - - -/* Enable and Restart Autonegotiation */ -static void genmii_restart_aneg(struct gfar_mii_info *mii_info) -{ - u16 ctl; - - ctl = phy_read(mii_info, MII_BMCR); - ctl |= (BMCR_ANENABLE | BMCR_ANRESTART); - phy_write(mii_info, MII_BMCR, ctl); -} - - -static int gbit_config_aneg(struct gfar_mii_info *mii_info) -{ - u16 adv; - u32 advertise; - - if(mii_info->autoneg) { - /* Configure the ADVERTISE register */ - config_genmii_advert(mii_info); - advertise = mii_info->advertising; - - adv = phy_read(mii_info, MII_1000BASETCONTROL); - adv &= ~(MII_1000BASETCONTROL_FULLDUPLEXCAP | - MII_1000BASETCONTROL_HALFDUPLEXCAP); - if (advertise & SUPPORTED_1000baseT_Half) - adv |= MII_1000BASETCONTROL_HALFDUPLEXCAP; - if (advertise & SUPPORTED_1000baseT_Full) - adv |= MII_1000BASETCONTROL_FULLDUPLEXCAP; - phy_write(mii_info, MII_1000BASETCONTROL, adv); - - /* Start/Restart aneg */ - genmii_restart_aneg(mii_info); - } else - genmii_setup_forced(mii_info); - - return 0; -} - -static int marvell_config_aneg(struct gfar_mii_info *mii_info) -{ - /* The Marvell PHY has an errata which requires - * that certain registers get written in order - * to restart autonegotiation */ - phy_write(mii_info, MII_BMCR, BMCR_RESET); - - phy_write(mii_info, 0x1d, 0x1f); - phy_write(mii_info, 0x1e, 0x200c); - phy_write(mii_info, 0x1d, 0x5); - phy_write(mii_info, 0x1e, 0); - phy_write(mii_info, 0x1e, 0x100); - - gbit_config_aneg(mii_info); - - return 0; -} -static int genmii_config_aneg(struct gfar_mii_info *mii_info) -{ - if (mii_info->autoneg) { - config_genmii_advert(mii_info); - genmii_restart_aneg(mii_info); - } else - genmii_setup_forced(mii_info); - - return 0; -} - - -static int genmii_update_link(struct gfar_mii_info *mii_info) -{ - u16 status; - - /* Do a fake read */ - phy_read(mii_info, MII_BMSR); - - /* Read link and autonegotiation status */ - status = phy_read(mii_info, MII_BMSR); - if ((status & BMSR_LSTATUS) == 0) - mii_info->link = 0; - else - mii_info->link = 1; - - /* If we are autonegotiating, and not done, - * return an error */ - if (mii_info->autoneg && !(status & BMSR_ANEGCOMPLETE)) - return -EAGAIN; - - return 0; -} - -static int genmii_read_status(struct gfar_mii_info *mii_info) -{ - u16 status; - int err; - - /* Update the link, but return if there - * was an error */ - err = genmii_update_link(mii_info); - if (err) - return err; - - if (mii_info->autoneg) { - status = phy_read(mii_info, MII_LPA); - - if (status & (LPA_10FULL | LPA_100FULL)) - mii_info->duplex = DUPLEX_FULL; - else - mii_info->duplex = DUPLEX_HALF; - if (status & (LPA_100FULL | LPA_100HALF)) - mii_info->speed = SPEED_100; - else - mii_info->speed = SPEED_10; - mii_info->pause = 0; - } - /* On non-aneg, we assume what we put in BMCR is the speed, - * though magic-aneg shouldn't prevent this case from occurring - */ - - return 0; -} -static int marvell_read_status(struct gfar_mii_info *mii_info) -{ - u16 status; - int err; - - /* Update the link, but return if there - * was an error */ - err = genmii_update_link(mii_info); - if (err) - return err; - - /* If the link is up, read the speed and duplex */ - /* If we aren't autonegotiating, assume speeds - * are as set */ - if (mii_info->autoneg && mii_info->link) { - int speed; - status = phy_read(mii_info, MII_M1011_PHY_SPEC_STATUS); - -#if 0 - /* If speed and duplex aren't resolved, - * return an error. Isn't this handled - * by checking aneg? - */ - if ((status & MII_M1011_PHY_SPEC_STATUS_RESOLVED) == 0) - return -EAGAIN; -#endif - - /* Get the duplexity */ - if (status & MII_M1011_PHY_SPEC_STATUS_FULLDUPLEX) - mii_info->duplex = DUPLEX_FULL; - else - mii_info->duplex = DUPLEX_HALF; - - /* Get the speed */ - speed = status & MII_M1011_PHY_SPEC_STATUS_SPD_MASK; - switch(speed) { - case MII_M1011_PHY_SPEC_STATUS_1000: - mii_info->speed = SPEED_1000; - break; - case MII_M1011_PHY_SPEC_STATUS_100: - mii_info->speed = SPEED_100; - break; - default: - mii_info->speed = SPEED_10; - break; - } - mii_info->pause = 0; - } - - return 0; -} - - -static int cis820x_read_status(struct gfar_mii_info *mii_info) -{ - u16 status; - int err; - - /* Update the link, but return if there - * was an error */ - err = genmii_update_link(mii_info); - if (err) - return err; - - /* If the link is up, read the speed and duplex */ - /* If we aren't autonegotiating, assume speeds - * are as set */ - if (mii_info->autoneg && mii_info->link) { - int speed; - - status = phy_read(mii_info, MII_CIS8201_AUX_CONSTAT); - if (status & MII_CIS8201_AUXCONSTAT_DUPLEX) - mii_info->duplex = DUPLEX_FULL; - else - mii_info->duplex = DUPLEX_HALF; - - speed = status & MII_CIS8201_AUXCONSTAT_SPEED; - - switch (speed) { - case MII_CIS8201_AUXCONSTAT_GBIT: - mii_info->speed = SPEED_1000; - break; - case MII_CIS8201_AUXCONSTAT_100: - mii_info->speed = SPEED_100; - break; - default: - mii_info->speed = SPEED_10; - break; - } - } - - return 0; -} - -static int marvell_ack_interrupt(struct gfar_mii_info *mii_info) -{ - /* Clear the interrupts by reading the reg */ - phy_read(mii_info, MII_M1011_IEVENT); - - return 0; -} - -static int marvell_config_intr(struct gfar_mii_info *mii_info) -{ - if(mii_info->interrupts == MII_INTERRUPT_ENABLED) - phy_write(mii_info, MII_M1011_IMASK, MII_M1011_IMASK_INIT); - else - phy_write(mii_info, MII_M1011_IMASK, MII_M1011_IMASK_CLEAR); - - return 0; -} - -static int cis820x_init(struct gfar_mii_info *mii_info) -{ - phy_write(mii_info, MII_CIS8201_AUX_CONSTAT, - MII_CIS8201_AUXCONSTAT_INIT); - phy_write(mii_info, MII_CIS8201_EXT_CON1, - MII_CIS8201_EXTCON1_INIT); - - return 0; -} - -static int cis820x_ack_interrupt(struct gfar_mii_info *mii_info) -{ - phy_read(mii_info, MII_CIS8201_ISTAT); - - return 0; -} - -static int cis820x_config_intr(struct gfar_mii_info *mii_info) -{ - if(mii_info->interrupts == MII_INTERRUPT_ENABLED) - phy_write(mii_info, MII_CIS8201_IMASK, MII_CIS8201_IMASK_MASK); - else - phy_write(mii_info, MII_CIS8201_IMASK, 0); - - return 0; -} - -#define DM9161_DELAY 10 - -static int dm9161_read_status(struct gfar_mii_info *mii_info) -{ - u16 status; - int err; - - /* Update the link, but return if there - * was an error */ - err = genmii_update_link(mii_info); - if (err) - return err; - - /* If the link is up, read the speed and duplex */ - /* If we aren't autonegotiating, assume speeds - * are as set */ - if (mii_info->autoneg && mii_info->link) { - status = phy_read(mii_info, MII_DM9161_SCSR); - if (status & (MII_DM9161_SCSR_100F | MII_DM9161_SCSR_100H)) - mii_info->speed = SPEED_100; - else - mii_info->speed = SPEED_10; - - if (status & (MII_DM9161_SCSR_100F | MII_DM9161_SCSR_10F)) - mii_info->duplex = DUPLEX_FULL; - else - mii_info->duplex = DUPLEX_HALF; - } - - return 0; -} - - -static int dm9161_config_aneg(struct gfar_mii_info *mii_info) -{ - struct dm9161_private *priv = mii_info->priv; - - if(0 == priv->resetdone) - return -EAGAIN; - - return 0; -} - -static void dm9161_timer(unsigned long data) -{ - struct gfar_mii_info *mii_info = (struct gfar_mii_info *)data; - struct dm9161_private *priv = mii_info->priv; - u16 status = phy_read(mii_info, MII_BMSR); - - if (status & BMSR_ANEGCOMPLETE) { - priv->resetdone = 1; - } else - mod_timer(&priv->timer, jiffies + DM9161_DELAY * HZ); -} - -static int dm9161_init(struct gfar_mii_info *mii_info) -{ - struct dm9161_private *priv; - - /* Allocate the private data structure */ - priv = kmalloc(sizeof(struct dm9161_private), GFP_KERNEL); - - if (NULL == priv) - return -ENOMEM; - - mii_info->priv = priv; - - /* Reset is not done yet */ - priv->resetdone = 0; - - /* Isolate the PHY */ - phy_write(mii_info, MII_BMCR, BMCR_ISOLATE); - - /* Do not bypass the scrambler/descrambler */ - phy_write(mii_info, MII_DM9161_SCR, MII_DM9161_SCR_INIT); - - /* Clear 10BTCSR to default */ - phy_write(mii_info, MII_DM9161_10BTCSR, MII_DM9161_10BTCSR_INIT); - - /* Reconnect the PHY, and enable Autonegotiation */ - phy_write(mii_info, MII_BMCR, BMCR_ANENABLE); - - /* Start a timer for DM9161_DELAY seconds to wait - * for the PHY to be ready */ - init_timer(&priv->timer); - priv->timer.function = &dm9161_timer; - priv->timer.data = (unsigned long) mii_info; - mod_timer(&priv->timer, jiffies + DM9161_DELAY * HZ); - - return 0; -} - -static void dm9161_close(struct gfar_mii_info *mii_info) -{ - struct dm9161_private *priv = mii_info->priv; - - del_timer_sync(&priv->timer); - kfree(priv); -} - -#if 0 -static int dm9161_ack_interrupt(struct gfar_mii_info *mii_info) -{ - phy_read(mii_info, MII_DM9161_INTR); - - return 0; -} -#endif - -/* Cicada 820x */ -static struct phy_info phy_info_cis820x = { - 0x000fc440, - "Cicada Cis8204", - 0x000fffc0, - .features = MII_GBIT_FEATURES, - .init = &cis820x_init, - .config_aneg = &gbit_config_aneg, - .read_status = &cis820x_read_status, - .ack_interrupt = &cis820x_ack_interrupt, - .config_intr = &cis820x_config_intr, -}; - -static struct phy_info phy_info_dm9161 = { - .phy_id = 0x0181b880, - .name = "Davicom DM9161E", - .phy_id_mask = 0x0ffffff0, - .init = dm9161_init, - .config_aneg = dm9161_config_aneg, - .read_status = dm9161_read_status, - .close = dm9161_close, -}; - -static struct phy_info phy_info_marvell = { - .phy_id = 0x01410c00, - .phy_id_mask = 0xffffff00, - .name = "Marvell 88E1101/88E1111", - .features = MII_GBIT_FEATURES, - .config_aneg = &marvell_config_aneg, - .read_status = &marvell_read_status, - .ack_interrupt = &marvell_ack_interrupt, - .config_intr = &marvell_config_intr, -}; - -static struct phy_info phy_info_genmii= { - .phy_id = 0x00000000, - .phy_id_mask = 0x00000000, - .name = "Generic MII", - .features = MII_BASIC_FEATURES, - .config_aneg = genmii_config_aneg, - .read_status = genmii_read_status, -}; - -static struct phy_info *phy_info[] = { - &phy_info_cis820x, - &phy_info_marvell, - &phy_info_dm9161, - &phy_info_genmii, - NULL -}; - -u16 phy_read(struct gfar_mii_info *mii_info, u16 regnum) -{ - u16 retval; - unsigned long flags; - - spin_lock_irqsave(&mii_info->mdio_lock, flags); - retval = mii_info->mdio_read(mii_info->dev, mii_info->mii_id, regnum); - spin_unlock_irqrestore(&mii_info->mdio_lock, flags); - - return retval; -} - -void phy_write(struct gfar_mii_info *mii_info, u16 regnum, u16 val) -{ - unsigned long flags; - - spin_lock_irqsave(&mii_info->mdio_lock, flags); - mii_info->mdio_write(mii_info->dev, - mii_info->mii_id, - regnum, val); - spin_unlock_irqrestore(&mii_info->mdio_lock, flags); -} - -/* Use the PHY ID registers to determine what type of PHY is attached - * to device dev. return a struct phy_info structure describing that PHY - */ -struct phy_info * get_phy_info(struct gfar_mii_info *mii_info) -{ - u16 phy_reg; - u32 phy_ID; - int i; - struct phy_info *theInfo = NULL; - struct net_device *dev = mii_info->dev; - - /* Grab the bits from PHYIR1, and put them in the upper half */ - phy_reg = phy_read(mii_info, MII_PHYSID1); - phy_ID = (phy_reg & 0xffff) << 16; - - /* Grab the bits from PHYIR2, and put them in the lower half */ - phy_reg = phy_read(mii_info, MII_PHYSID2); - phy_ID |= (phy_reg & 0xffff); - - /* loop through all the known PHY types, and find one that */ - /* matches the ID we read from the PHY. */ - for (i = 0; phy_info[i]; i++) - if (phy_info[i]->phy_id == - (phy_ID & phy_info[i]->phy_id_mask)) { - theInfo = phy_info[i]; - break; - } - - /* This shouldn't happen, as we have generic PHY support */ - if (theInfo == NULL) { - printk("%s: PHY id %x is not supported!\n", dev->name, phy_ID); - return NULL; - } else { - printk("%s: PHY is %s (%x)\n", dev->name, theInfo->name, - phy_ID); - } - - return theInfo; -} diff --git a/drivers/net/gianfar_phy.h b/drivers/net/gianfar_phy.h deleted file mode 100644 index 1e9b3abf1e6d..000000000000 --- a/drivers/net/gianfar_phy.h +++ /dev/null @@ -1,213 +0,0 @@ -/* - * drivers/net/gianfar_phy.h - * - * Gianfar Ethernet Driver -- PHY handling - * Driver for FEC on MPC8540 and TSEC on MPC8540/MPC8560 - * Based on 8260_io/fcc_enet.c - * - * Author: Andy Fleming - * Maintainer: Kumar Gala (kumar.gala@freescale.com) - * - * Copyright (c) 2002-2004 Freescale Semiconductor, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - */ -#ifndef __GIANFAR_PHY_H -#define __GIANFAR_PHY_H - -#define MII_end ((u32)-2) -#define MII_read ((u32)-1) - -#define MIIMIND_BUSY 0x00000001 -#define MIIMIND_NOTVALID 0x00000004 - -#define GFAR_AN_TIMEOUT 2000 - -/* 1000BT control (Marvell & BCM54xx at least) */ -#define MII_1000BASETCONTROL 0x09 -#define MII_1000BASETCONTROL_FULLDUPLEXCAP 0x0200 -#define MII_1000BASETCONTROL_HALFDUPLEXCAP 0x0100 - -/* Cicada Extended Control Register 1 */ -#define MII_CIS8201_EXT_CON1 0x17 -#define MII_CIS8201_EXTCON1_INIT 0x0000 - -/* Cicada Interrupt Mask Register */ -#define MII_CIS8201_IMASK 0x19 -#define MII_CIS8201_IMASK_IEN 0x8000 -#define MII_CIS8201_IMASK_SPEED 0x4000 -#define MII_CIS8201_IMASK_LINK 0x2000 -#define MII_CIS8201_IMASK_DUPLEX 0x1000 -#define MII_CIS8201_IMASK_MASK 0xf000 - -/* Cicada Interrupt Status Register */ -#define MII_CIS8201_ISTAT 0x1a -#define MII_CIS8201_ISTAT_STATUS 0x8000 -#define MII_CIS8201_ISTAT_SPEED 0x4000 -#define MII_CIS8201_ISTAT_LINK 0x2000 -#define MII_CIS8201_ISTAT_DUPLEX 0x1000 - -/* Cicada Auxiliary Control/Status Register */ -#define MII_CIS8201_AUX_CONSTAT 0x1c -#define MII_CIS8201_AUXCONSTAT_INIT 0x0004 -#define MII_CIS8201_AUXCONSTAT_DUPLEX 0x0020 -#define MII_CIS8201_AUXCONSTAT_SPEED 0x0018 -#define MII_CIS8201_AUXCONSTAT_GBIT 0x0010 -#define MII_CIS8201_AUXCONSTAT_100 0x0008 - -/* 88E1011 PHY Status Register */ -#define MII_M1011_PHY_SPEC_STATUS 0x11 -#define MII_M1011_PHY_SPEC_STATUS_1000 0x8000 -#define MII_M1011_PHY_SPEC_STATUS_100 0x4000 -#define MII_M1011_PHY_SPEC_STATUS_SPD_MASK 0xc000 -#define MII_M1011_PHY_SPEC_STATUS_FULLDUPLEX 0x2000 -#define MII_M1011_PHY_SPEC_STATUS_RESOLVED 0x0800 -#define MII_M1011_PHY_SPEC_STATUS_LINK 0x0400 - -#define MII_M1011_IEVENT 0x13 -#define MII_M1011_IEVENT_CLEAR 0x0000 - -#define MII_M1011_IMASK 0x12 -#define MII_M1011_IMASK_INIT 0x6400 -#define MII_M1011_IMASK_CLEAR 0x0000 - -#define MII_DM9161_SCR 0x10 -#define MII_DM9161_SCR_INIT 0x0610 - -/* DM9161 Specified Configuration and Status Register */ -#define MII_DM9161_SCSR 0x11 -#define MII_DM9161_SCSR_100F 0x8000 -#define MII_DM9161_SCSR_100H 0x4000 -#define MII_DM9161_SCSR_10F 0x2000 -#define MII_DM9161_SCSR_10H 0x1000 - -/* DM9161 Interrupt Register */ -#define MII_DM9161_INTR 0x15 -#define MII_DM9161_INTR_PEND 0x8000 -#define MII_DM9161_INTR_DPLX_MASK 0x0800 -#define MII_DM9161_INTR_SPD_MASK 0x0400 -#define MII_DM9161_INTR_LINK_MASK 0x0200 -#define MII_DM9161_INTR_MASK 0x0100 -#define MII_DM9161_INTR_DPLX_CHANGE 0x0010 -#define MII_DM9161_INTR_SPD_CHANGE 0x0008 -#define MII_DM9161_INTR_LINK_CHANGE 0x0004 -#define MII_DM9161_INTR_INIT 0x0000 -#define MII_DM9161_INTR_STOP \ -(MII_DM9161_INTR_DPLX_MASK | MII_DM9161_INTR_SPD_MASK \ - | MII_DM9161_INTR_LINK_MASK | MII_DM9161_INTR_MASK) - -/* DM9161 10BT Configuration/Status */ -#define MII_DM9161_10BTCSR 0x12 -#define MII_DM9161_10BTCSR_INIT 0x7800 - -#define MII_BASIC_FEATURES (SUPPORTED_10baseT_Half | \ - SUPPORTED_10baseT_Full | \ - SUPPORTED_100baseT_Half | \ - SUPPORTED_100baseT_Full | \ - SUPPORTED_Autoneg | \ - SUPPORTED_TP | \ - SUPPORTED_MII) - -#define MII_GBIT_FEATURES (MII_BASIC_FEATURES | \ - SUPPORTED_1000baseT_Half | \ - SUPPORTED_1000baseT_Full) - -#define MII_READ_COMMAND 0x00000001 - -#define MII_INTERRUPT_DISABLED 0x0 -#define MII_INTERRUPT_ENABLED 0x1 -/* Taken from mii_if_info and sungem_phy.h */ -struct gfar_mii_info { - /* Information about the PHY type */ - /* And management functions */ - struct phy_info *phyinfo; - - /* forced speed & duplex (no autoneg) - * partner speed & duplex & pause (autoneg) - */ - int speed; - int duplex; - int pause; - - /* The most recently read link state */ - int link; - - /* Enabled Interrupts */ - u32 interrupts; - - u32 advertising; - int autoneg; - int mii_id; - - /* private data pointer */ - /* For use by PHYs to maintain extra state */ - void *priv; - - /* Provided by host chip */ - struct net_device *dev; - - /* A lock to ensure that only one thing can read/write - * the MDIO bus at a time */ - spinlock_t mdio_lock; - - /* Provided by ethernet driver */ - int (*mdio_read) (struct net_device *dev, int mii_id, int reg); - void (*mdio_write) (struct net_device *dev, int mii_id, int reg, int val); -}; - -/* struct phy_info: a structure which defines attributes for a PHY - * - * id will contain a number which represents the PHY. During - * startup, the driver will poll the PHY to find out what its - * UID--as defined by registers 2 and 3--is. The 32-bit result - * gotten from the PHY will be ANDed with phy_id_mask to - * discard any bits which may change based on revision numbers - * unimportant to functionality - * - * There are 6 commands which take a gfar_mii_info structure. - * Each PHY must declare config_aneg, and read_status. - */ -struct phy_info { - u32 phy_id; - char *name; - unsigned int phy_id_mask; - u32 features; - - /* Called to initialize the PHY */ - int (*init)(struct gfar_mii_info *mii_info); - - /* Called to suspend the PHY for power */ - int (*suspend)(struct gfar_mii_info *mii_info); - - /* Reconfigures autonegotiation (or disables it) */ - int (*config_aneg)(struct gfar_mii_info *mii_info); - - /* Determines the negotiated speed and duplex */ - int (*read_status)(struct gfar_mii_info *mii_info); - - /* Clears any pending interrupts */ - int (*ack_interrupt)(struct gfar_mii_info *mii_info); - - /* Enables or disables interrupts */ - int (*config_intr)(struct gfar_mii_info *mii_info); - - /* Clears up any memory if needed */ - void (*close)(struct gfar_mii_info *mii_info); -}; - -struct phy_info *get_phy_info(struct gfar_mii_info *mii_info); -int read_phy_reg(struct net_device *dev, int mii_id, int regnum); -void write_phy_reg(struct net_device *dev, int mii_id, int regnum, int value); -void mii_clear_phy_interrupt(struct gfar_mii_info *mii_info); -void mii_configure_phy_interrupt(struct gfar_mii_info *mii_info, u32 interrupts); - -struct dm9161_private { - struct timer_list timer; - int resetdone; -}; - -#endif /* GIANFAR_PHY_H */ diff --git a/drivers/net/hamradio/Kconfig b/drivers/net/hamradio/Kconfig index de087cd609d9..896aa02000d7 100644 --- a/drivers/net/hamradio/Kconfig +++ b/drivers/net/hamradio/Kconfig @@ -1,6 +1,7 @@ config MKISS tristate "Serial port KISS driver" depends on AX25 + select CRC16 ---help--- KISS is a protocol used for the exchange of data between a computer and a Terminal Node Controller (a small embedded system commonly diff --git a/drivers/net/hamradio/bpqether.c b/drivers/net/hamradio/bpqether.c index 1756f0ed54cc..cb43a9d28774 100644 --- a/drivers/net/hamradio/bpqether.c +++ b/drivers/net/hamradio/bpqether.c @@ -144,7 +144,7 @@ static inline struct net_device *bpq_get_ax25_dev(struct net_device *dev) { struct bpqdev *bpq; - list_for_each_entry(bpq, &bpq_devices, bpq_list) { + list_for_each_entry_rcu(bpq, &bpq_devices, bpq_list) { if (bpq->ethdev == dev) return bpq->axdev; } @@ -399,7 +399,7 @@ static void *bpq_seq_start(struct seq_file *seq, loff_t *pos) if (*pos == 0) return SEQ_START_TOKEN; - list_for_each_entry(bpqdev, &bpq_devices, bpq_list) { + list_for_each_entry_rcu(bpqdev, &bpq_devices, bpq_list) { if (i == *pos) return bpqdev; } @@ -418,7 +418,7 @@ static void *bpq_seq_next(struct seq_file *seq, void *v, loff_t *pos) p = ((struct bpqdev *)v)->bpq_list.next; return (p == &bpq_devices) ? NULL - : list_entry(p, struct bpqdev, bpq_list); + : rcu_dereference(list_entry(p, struct bpqdev, bpq_list)); } static void bpq_seq_stop(struct seq_file *seq, void *v) @@ -561,8 +561,6 @@ static int bpq_device_event(struct notifier_block *this,unsigned long event, voi if (!dev_is_ethdev(dev)) return NOTIFY_DONE; - rcu_read_lock(); - switch (event) { case NETDEV_UP: /* new ethernet device -> new BPQ interface */ if (bpq_get_ax25_dev(dev) == NULL) @@ -581,7 +579,6 @@ static int bpq_device_event(struct notifier_block *this,unsigned long event, voi default: break; } - rcu_read_unlock(); return NOTIFY_DONE; } diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c index d9fe64b46f4b..3e9accf137e7 100644 --- a/drivers/net/hamradio/mkiss.c +++ b/drivers/net/hamradio/mkiss.c @@ -14,13 +14,14 @@ * * Copyright (C) Hans Alblas PE1AYX <hans@esrac.ele.tue.nl> * Copyright (C) 2004, 05 Ralf Baechle DL5RB <ralf@linux-mips.org> + * Copyright (C) 2004, 05 Thomas Osterried DL9SAU <thomas@x-berg.in-berlin.de> */ - #include <linux/config.h> #include <linux/module.h> #include <asm/system.h> #include <linux/bitops.h> #include <asm/uaccess.h> +#include <linux/crc16.h> #include <linux/string.h> #include <linux/mm.h> #include <linux/interrupt.h> @@ -39,11 +40,6 @@ #include <net/ax25.h> -#ifdef CONFIG_INET -#include <linux/ip.h> -#include <linux/tcp.h> -#endif - #define AX_MTU 236 /* SLIP/KISS protocol characters. */ @@ -80,9 +76,13 @@ struct mkiss { int mode; int crcmode; /* MW: for FlexNet, SMACK etc. */ -#define CRC_MODE_NONE 0 -#define CRC_MODE_FLEX 1 -#define CRC_MODE_SMACK 2 + int crcauto; /* CRC auto mode */ + +#define CRC_MODE_NONE 0 +#define CRC_MODE_FLEX 1 +#define CRC_MODE_SMACK 2 +#define CRC_MODE_FLEX_TEST 3 +#define CRC_MODE_SMACK_TEST 4 atomic_t refcnt; struct semaphore dead_sem; @@ -151,6 +151,21 @@ static int check_crc_flex(unsigned char *cp, int size) return 0; } +static int check_crc_16(unsigned char *cp, int size) +{ + unsigned short crc = 0x0000; + + if (size < 3) + return -1; + + crc = crc16(0, cp, size); + + if (crc != 0x0000) + return -1; + + return 0; +} + /* * Standard encapsulation */ @@ -237,19 +252,42 @@ static void ax_bump(struct mkiss *ax) spin_lock_bh(&ax->buflock); if (ax->rbuff[0] > 0x0f) { - if (ax->rbuff[0] & 0x20) { - ax->crcmode = CRC_MODE_FLEX; + if (ax->rbuff[0] & 0x80) { + if (check_crc_16(ax->rbuff, ax->rcount) < 0) { + ax->stats.rx_errors++; + spin_unlock_bh(&ax->buflock); + + return; + } + if (ax->crcmode != CRC_MODE_SMACK && ax->crcauto) { + printk(KERN_INFO + "mkiss: %s: Switchting to crc-smack\n", + ax->dev->name); + ax->crcmode = CRC_MODE_SMACK; + } + ax->rcount -= 2; + *ax->rbuff &= ~0x80; + } else if (ax->rbuff[0] & 0x20) { if (check_crc_flex(ax->rbuff, ax->rcount) < 0) { - ax->stats.rx_errors++; + ax->stats.rx_errors++; + spin_unlock_bh(&ax->buflock); return; } + if (ax->crcmode != CRC_MODE_FLEX && ax->crcauto) { + printk(KERN_INFO + "mkiss: %s: Switchting to crc-flexnet\n", + ax->dev->name); + ax->crcmode = CRC_MODE_FLEX; + } ax->rcount -= 2; - /* dl9sau bugfix: the trailling two bytes flexnet crc - * will not be passed to the kernel. thus we have - * to correct the kissparm signature, because it - * indicates a crc but there's none + + /* + * dl9sau bugfix: the trailling two bytes flexnet crc + * will not be passed to the kernel. thus we have to + * correct the kissparm signature, because it indicates + * a crc but there's none */ - *ax->rbuff &= ~0x20; + *ax->rbuff &= ~0x20; } } spin_unlock_bh(&ax->buflock); @@ -352,10 +390,8 @@ static void ax_changedmtu(struct mkiss *ax) "MTU change cancelled.\n", ax->dev->name); dev->mtu = ax->mtu; - if (xbuff != NULL) - kfree(xbuff); - if (rbuff != NULL) - kfree(rbuff); + kfree(xbuff); + kfree(rbuff); return; } @@ -417,20 +453,69 @@ static void ax_encaps(struct net_device *dev, unsigned char *icp, int len) p = icp; spin_lock_bh(&ax->buflock); - switch (ax->crcmode) { - unsigned short crc; + if ((*p & 0x0f) != 0) { + /* Configuration Command (kissparms(1). + * Protocol spec says: never append CRC. + * This fixes a very old bug in the linux + * kiss driver. -- dl9sau */ + switch (*p & 0xff) { + case 0x85: + /* command from userspace especially for us, + * not for delivery to the tnc */ + if (len > 1) { + int cmd = (p[1] & 0xff); + switch(cmd) { + case 3: + ax->crcmode = CRC_MODE_SMACK; + break; + case 2: + ax->crcmode = CRC_MODE_FLEX; + break; + case 1: + ax->crcmode = CRC_MODE_NONE; + break; + case 0: + default: + ax->crcmode = CRC_MODE_SMACK_TEST; + cmd = 0; + } + ax->crcauto = (cmd ? 0 : 1); + printk(KERN_INFO "mkiss: %s: crc mode %s %d\n", ax->dev->name, (len) ? "set to" : "is", cmd); + } + spin_unlock_bh(&ax->buflock); + netif_start_queue(dev); - case CRC_MODE_FLEX: - *p |= 0x20; - crc = calc_crc_flex(p, len); - count = kiss_esc_crc(p, (unsigned char *)ax->xbuff, crc, len+2); - break; + return; + default: + count = kiss_esc(p, (unsigned char *)ax->xbuff, len); + } + } else { + unsigned short crc; + switch (ax->crcmode) { + case CRC_MODE_SMACK_TEST: + ax->crcmode = CRC_MODE_FLEX_TEST; + printk(KERN_INFO "mkiss: %s: Trying crc-smack\n", ax->dev->name); + // fall through + case CRC_MODE_SMACK: + *p |= 0x80; + crc = swab16(crc16(0, p, len)); + count = kiss_esc_crc(p, (unsigned char *)ax->xbuff, crc, len+2); + break; + case CRC_MODE_FLEX_TEST: + ax->crcmode = CRC_MODE_NONE; + printk(KERN_INFO "mkiss: %s: Trying crc-flexnet\n", ax->dev->name); + // fall through + case CRC_MODE_FLEX: + *p |= 0x20; + crc = calc_crc_flex(p, len); + count = kiss_esc_crc(p, (unsigned char *)ax->xbuff, crc, len+2); + break; + + default: + count = kiss_esc(p, (unsigned char *)ax->xbuff, len); + } + } - default: - count = kiss_esc(p, (unsigned char *)ax->xbuff, len); - break; - } - set_bit(TTY_DO_WRITE_WAKEUP, &ax->tty->flags); actual = ax->tty->driver->write(ax->tty, ax->xbuff, count); ax->stats.tx_packets++; @@ -439,8 +524,6 @@ static void ax_encaps(struct net_device *dev, unsigned char *icp, int len) ax->dev->trans_start = jiffies; ax->xleft = count - actual; ax->xhead = ax->xbuff + actual; - - spin_unlock_bh(&ax->buflock); } /* Encapsulate an AX.25 packet and kick it into a TTY queue. */ @@ -622,7 +705,7 @@ static void ax_setup(struct net_device *dev) * best way to fix this is to use a rwlock in the tty struct, but for now we * use a single global rwlock for all ttys in ppp line discipline. */ -static rwlock_t disc_data_lock = RW_LOCK_UNLOCKED; +static DEFINE_RWLOCK(disc_data_lock); static struct mkiss *mkiss_get(struct tty_struct *tty) { @@ -643,6 +726,8 @@ static void mkiss_put(struct mkiss *ax) up(&ax->dead_sem); } +static int crc_force = 0; /* Can be overridden with insmod */ + static int mkiss_open(struct tty_struct *tty) { struct net_device *dev; @@ -682,6 +767,33 @@ static int mkiss_open(struct tty_struct *tty) if (register_netdev(dev)) goto out_free_buffers; + /* after register_netdev() - because else printk smashes the kernel */ + switch (crc_force) { + case 3: + ax->crcmode = CRC_MODE_SMACK; + printk(KERN_INFO "mkiss: %s: crc mode smack forced.\n", + ax->dev->name); + break; + case 2: + ax->crcmode = CRC_MODE_FLEX; + printk(KERN_INFO "mkiss: %s: crc mode flexnet forced.\n", + ax->dev->name); + break; + case 1: + ax->crcmode = CRC_MODE_NONE; + printk(KERN_INFO "mkiss: %s: crc mode disabled.\n", + ax->dev->name); + break; + case 0: + /* fall through */ + default: + crc_force = 0; + printk(KERN_INFO "mkiss: %s: crc mode is auto.\n", + ax->dev->name); + ax->crcmode = CRC_MODE_SMACK_TEST; + } + ax->crcauto = (crc_force ? 0 : 1); + netif_start_queue(dev); /* Done. We have linked the TTY line to a channel. */ @@ -765,7 +877,6 @@ static int mkiss_ioctl(struct tty_struct *tty, struct file *file, case SIOCSIFHWADDR: { char addr[AX25_ADDR_LEN]; -printk(KERN_INFO "In SIOCSIFHWADDR"); if (copy_from_user(&addr, (void __user *) arg, AX25_ADDR_LEN)) { @@ -864,6 +975,7 @@ out: } static struct tty_ldisc ax_ldisc = { + .owner = THIS_MODULE, .magic = TTY_LDISC_MAGIC, .name = "mkiss", .open = mkiss_open, @@ -904,6 +1016,8 @@ static void __exit mkiss_exit_driver(void) MODULE_AUTHOR("Ralf Baechle DL5RB <ralf@linux-mips.org>"); MODULE_DESCRIPTION("KISS driver for AX.25 over TTYs"); +MODULE_PARM(crc_force, "i"); +MODULE_PARM_DESC(crc_force, "crc [0 = auto | 1 = none | 2 = flexnet | 3 = smack]"); MODULE_LICENSE("GPL"); MODULE_ALIAS_LDISC(N_AX25); diff --git a/drivers/net/hamradio/mkiss.h b/drivers/net/hamradio/mkiss.h deleted file mode 100644 index 4ab700478598..000000000000 --- a/drivers/net/hamradio/mkiss.h +++ /dev/null @@ -1,62 +0,0 @@ -/**************************************************************************** - * Defines for the Multi-KISS driver. - ****************************************************************************/ - -#define AX25_MAXDEV 16 /* MAX number of AX25 channels; - This can be overridden with - insmod -oax25_maxdev=nnn */ -#define AX_MTU 236 - -/* SLIP/KISS protocol characters. */ -#define END 0300 /* indicates end of frame */ -#define ESC 0333 /* indicates byte stuffing */ -#define ESC_END 0334 /* ESC ESC_END means END 'data' */ -#define ESC_ESC 0335 /* ESC ESC_ESC means ESC 'data' */ - -struct ax_disp { - int magic; - - /* Various fields. */ - struct tty_struct *tty; /* ptr to TTY structure */ - struct net_device *dev; /* easy for intr handling */ - - /* These are pointers to the malloc()ed frame buffers. */ - unsigned char *rbuff; /* receiver buffer */ - int rcount; /* received chars counter */ - unsigned char *xbuff; /* transmitter buffer */ - unsigned char *xhead; /* pointer to next byte to XMIT */ - int xleft; /* bytes left in XMIT queue */ - - /* SLIP interface statistics. */ - unsigned long rx_packets; /* inbound frames counter */ - unsigned long tx_packets; /* outbound frames counter */ - unsigned long rx_bytes; /* inbound bytes counter */ - unsigned long tx_bytes; /* outbound bytes counter */ - unsigned long rx_errors; /* Parity, etc. errors */ - unsigned long tx_errors; /* Planned stuff */ - unsigned long rx_dropped; /* No memory for skb */ - unsigned long tx_dropped; /* When MTU change */ - unsigned long rx_over_errors; /* Frame bigger then SLIP buf. */ - - /* Detailed SLIP statistics. */ - int mtu; /* Our mtu (to spot changes!) */ - int buffsize; /* Max buffers sizes */ - - - unsigned long flags; /* Flag values/ mode etc */ - /* long req'd: used by set_bit --RR */ -#define AXF_INUSE 0 /* Channel in use */ -#define AXF_ESCAPE 1 /* ESC received */ -#define AXF_ERROR 2 /* Parity, etc. error */ -#define AXF_KEEPTEST 3 /* Keepalive test flag */ -#define AXF_OUTWAIT 4 /* is outpacket was flag */ - - int mode; - int crcmode; /* MW: for FlexNet, SMACK etc. */ -#define CRC_MODE_NONE 0 -#define CRC_MODE_FLEX 1 -#define CRC_MODE_SMACK 2 - spinlock_t buflock; /* lock for rbuf and xbuf */ -}; - -#define AX25_MAGIC 0x5316 diff --git a/drivers/net/hp100.c b/drivers/net/hp100.c index cf0ac6fda1a1..b71fab6e34f4 100644 --- a/drivers/net/hp100.c +++ b/drivers/net/hp100.c @@ -2517,10 +2517,8 @@ static int hp100_down_vg_link(struct net_device *dev) do { if (hp100_inb(VG_LAN_CFG_1) & HP100_LINK_CABLE_ST) break; - if (!in_interrupt()) { - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(1); - } + if (!in_interrupt()) + schedule_timeout_interruptible(1); } while (time_after(time, jiffies)); if (time_after_eq(jiffies, time)) /* no signal->no logout */ @@ -2536,10 +2534,8 @@ static int hp100_down_vg_link(struct net_device *dev) do { if (!(hp100_inb(VG_LAN_CFG_1) & HP100_LINK_UP_ST)) break; - if (!in_interrupt()) { - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(1); - } + if (!in_interrupt()) + schedule_timeout_interruptible(1); } while (time_after(time, jiffies)); #ifdef HP100_DEBUG @@ -2577,10 +2573,8 @@ static int hp100_down_vg_link(struct net_device *dev) do { if (!(hp100_inb(MAC_CFG_4) & HP100_MAC_SEL_ST)) break; - if (!in_interrupt()) { - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(1); - } + if (!in_interrupt()) + schedule_timeout_interruptible(1); } while (time_after(time, jiffies)); hp100_orb(HP100_AUTO_MODE, MAC_CFG_3); /* Autosel back on */ @@ -2591,10 +2585,8 @@ static int hp100_down_vg_link(struct net_device *dev) do { if ((hp100_inb(VG_LAN_CFG_1) & HP100_LINK_CABLE_ST) == 0) break; - if (!in_interrupt()) { - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(1); - } + if (!in_interrupt()) + schedule_timeout_interruptible(1); } while (time_after(time, jiffies)); if (time_before_eq(time, jiffies)) { @@ -2606,10 +2598,8 @@ static int hp100_down_vg_link(struct net_device *dev) time = jiffies + (2 * HZ); /* This seems to take a while.... */ do { - if (!in_interrupt()) { - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(1); - } + if (!in_interrupt()) + schedule_timeout_interruptible(1); } while (time_after(time, jiffies)); return 0; @@ -2659,10 +2649,8 @@ static int hp100_login_to_vg_hub(struct net_device *dev, u_short force_relogin) do { if (~(hp100_inb(VG_LAN_CFG_1) & HP100_LINK_UP_ST)) break; - if (!in_interrupt()) { - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(1); - } + if (!in_interrupt()) + schedule_timeout_interruptible(1); } while (time_after(time, jiffies)); /* Start an addressed training and optionally request promiscuous port */ @@ -2697,10 +2685,8 @@ static int hp100_login_to_vg_hub(struct net_device *dev, u_short force_relogin) do { if (hp100_inb(VG_LAN_CFG_1) & HP100_LINK_CABLE_ST) break; - if (!in_interrupt()) { - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(1); - } + if (!in_interrupt()) + schedule_timeout_interruptible(1); } while (time_before(jiffies, time)); if (time_after_eq(jiffies, time)) { @@ -2723,10 +2709,8 @@ static int hp100_login_to_vg_hub(struct net_device *dev, u_short force_relogin) #endif break; } - if (!in_interrupt()) { - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(1); - } + if (!in_interrupt()) + schedule_timeout_interruptible(1); } while (time_after(time, jiffies)); } diff --git a/drivers/net/ibm_emac/Makefile b/drivers/net/ibm_emac/Makefile index 7f583a333c24..f98ddf0e807a 100644 --- a/drivers/net/ibm_emac/Makefile +++ b/drivers/net/ibm_emac/Makefile @@ -1,12 +1,11 @@ # -# Makefile for the IBM PPC4xx EMAC controllers +# Makefile for the PowerPC 4xx on-chip ethernet driver # obj-$(CONFIG_IBM_EMAC) += ibm_emac.o -ibm_emac-objs := ibm_emac_mal.o ibm_emac_core.o ibm_emac_phy.o - -# Only need this if you want to see additional debug messages -ifeq ($(CONFIG_IBM_EMAC_ERRMSG), y) -ibm_emac-objs += ibm_emac_debug.o -endif +ibm_emac-objs := ibm_emac_mal.o ibm_emac_core.o ibm_emac_phy.o +ibm_emac-$(CONFIG_IBM_EMAC_ZMII) += ibm_emac_zmii.o +ibm_emac-$(CONFIG_IBM_EMAC_RGMII) += ibm_emac_rgmii.o +ibm_emac-$(CONFIG_IBM_EMAC_TAH) += ibm_emac_tah.o +ibm_emac-$(CONFIG_IBM_EMAC_DEBUG) += ibm_emac_debug.o diff --git a/drivers/net/ibm_emac/ibm_emac.h b/drivers/net/ibm_emac/ibm_emac.h index 15d5a0e82862..28c476f28c20 100644 --- a/drivers/net/ibm_emac/ibm_emac.h +++ b/drivers/net/ibm_emac/ibm_emac.h @@ -1,110 +1,142 @@ /* - * ibm_emac.h + * drivers/net/ibm_emac/ibm_emac.h * + * Register definitions for PowerPC 4xx on-chip ethernet contoller * - * Armin Kuster akuster@mvista.com - * June, 2002 + * Copyright (c) 2004, 2005 Zultys Technologies. + * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> * - * Copyright 2002 MontaVista Softare Inc. + * Based on original work by + * Matt Porter <mporter@kernel.crashing.org> + * Armin Kuster <akuster@mvista.com> + * Copyright 2002-2004 MontaVista Software Inc. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. + * */ +#ifndef __IBM_EMAC_H_ +#define __IBM_EMAC_H_ + +#include <linux/config.h> +#include <linux/types.h> + +/* This is a simple check to prevent use of this driver on non-tested SoCs */ +#if !defined(CONFIG_405GP) && !defined(CONFIG_405GPR) && !defined(CONFIG_405EP) && \ + !defined(CONFIG_440GP) && !defined(CONFIG_440GX) && !defined(CONFIG_440SP) && \ + !defined(CONFIG_440EP) && !defined(CONFIG_NP405H) +#error "Unknown SoC. Please, check chip user manual and make sure EMAC defines are OK" +#endif + +/* EMAC registers Write Access rules */ +struct emac_regs { + u32 mr0; /* special */ + u32 mr1; /* Reset */ + u32 tmr0; /* special */ + u32 tmr1; /* special */ + u32 rmr; /* Reset */ + u32 isr; /* Always */ + u32 iser; /* Reset */ + u32 iahr; /* Reset, R, T */ + u32 ialr; /* Reset, R, T */ + u32 vtpid; /* Reset, R, T */ + u32 vtci; /* Reset, R, T */ + u32 ptr; /* Reset, T */ + u32 iaht1; /* Reset, R */ + u32 iaht2; /* Reset, R */ + u32 iaht3; /* Reset, R */ + u32 iaht4; /* Reset, R */ + u32 gaht1; /* Reset, R */ + u32 gaht2; /* Reset, R */ + u32 gaht3; /* Reset, R */ + u32 gaht4; /* Reset, R */ + u32 lsah; + u32 lsal; + u32 ipgvr; /* Reset, T */ + u32 stacr; /* special */ + u32 trtr; /* special */ + u32 rwmr; /* Reset */ + u32 octx; + u32 ocrx; + u32 ipcr; +}; + +#if !defined(CONFIG_IBM_EMAC4) +#define EMAC_ETHTOOL_REGS_VER 0 +#define EMAC_ETHTOOL_REGS_SIZE (sizeof(struct emac_regs) - sizeof(u32)) +#else +#define EMAC_ETHTOOL_REGS_VER 1 +#define EMAC_ETHTOOL_REGS_SIZE sizeof(struct emac_regs) +#endif -#ifndef _IBM_EMAC_H_ -#define _IBM_EMAC_H_ -/* General defines needed for the driver */ +/* EMACx_MR0 */ +#define EMAC_MR0_RXI 0x80000000 +#define EMAC_MR0_TXI 0x40000000 +#define EMAC_MR0_SRST 0x20000000 +#define EMAC_MR0_TXE 0x10000000 +#define EMAC_MR0_RXE 0x08000000 +#define EMAC_MR0_WKE 0x04000000 -/* Emac */ -typedef struct emac_regs { - u32 em0mr0; - u32 em0mr1; - u32 em0tmr0; - u32 em0tmr1; - u32 em0rmr; - u32 em0isr; - u32 em0iser; - u32 em0iahr; - u32 em0ialr; - u32 em0vtpid; - u32 em0vtci; - u32 em0ptr; - u32 em0iaht1; - u32 em0iaht2; - u32 em0iaht3; - u32 em0iaht4; - u32 em0gaht1; - u32 em0gaht2; - u32 em0gaht3; - u32 em0gaht4; - u32 em0lsah; - u32 em0lsal; - u32 em0ipgvr; - u32 em0stacr; - u32 em0trtr; - u32 em0rwmr; -} emac_t; +/* EMACx_MR1 */ +#define EMAC_MR1_FDE 0x80000000 +#define EMAC_MR1_ILE 0x40000000 +#define EMAC_MR1_VLE 0x20000000 +#define EMAC_MR1_EIFC 0x10000000 +#define EMAC_MR1_APP 0x08000000 +#define EMAC_MR1_IST 0x01000000 -/* MODE REG 0 */ -#define EMAC_M0_RXI 0x80000000 -#define EMAC_M0_TXI 0x40000000 -#define EMAC_M0_SRST 0x20000000 -#define EMAC_M0_TXE 0x10000000 -#define EMAC_M0_RXE 0x08000000 -#define EMAC_M0_WKE 0x04000000 +#define EMAC_MR1_MF_MASK 0x00c00000 +#define EMAC_MR1_MF_10 0x00000000 +#define EMAC_MR1_MF_100 0x00400000 +#if !defined(CONFIG_IBM_EMAC4) +#define EMAC_MR1_MF_1000 0x00000000 +#define EMAC_MR1_MF_1000GPCS 0x00000000 +#define EMAC_MR1_MF_IPPA(id) 0x00000000 +#else +#define EMAC_MR1_MF_1000 0x00800000 +#define EMAC_MR1_MF_1000GPCS 0x00c00000 +#define EMAC_MR1_MF_IPPA(id) (((id) & 0x1f) << 6) +#endif -/* MODE Reg 1 */ -#define EMAC_M1_FDE 0x80000000 -#define EMAC_M1_ILE 0x40000000 -#define EMAC_M1_VLE 0x20000000 -#define EMAC_M1_EIFC 0x10000000 -#define EMAC_M1_APP 0x08000000 -#define EMAC_M1_AEMI 0x02000000 -#define EMAC_M1_IST 0x01000000 -#define EMAC_M1_MF_1000GPCS 0x00c00000 /* Internal GPCS */ -#define EMAC_M1_MF_1000MBPS 0x00800000 /* External GPCS */ -#define EMAC_M1_MF_100MBPS 0x00400000 -#define EMAC_M1_RFS_16K 0x00280000 /* 000 for 512 byte */ -#define EMAC_M1_TR 0x00008000 -#ifdef CONFIG_IBM_EMAC4 -#define EMAC_M1_RFS_8K 0x00200000 -#define EMAC_M1_RFS_4K 0x00180000 -#define EMAC_M1_RFS_2K 0x00100000 -#define EMAC_M1_RFS_1K 0x00080000 -#define EMAC_M1_TX_FIFO_16K 0x00050000 /* 0's for 512 byte */ -#define EMAC_M1_TX_FIFO_8K 0x00040000 -#define EMAC_M1_TX_FIFO_4K 0x00030000 -#define EMAC_M1_TX_FIFO_2K 0x00020000 -#define EMAC_M1_TX_FIFO_1K 0x00010000 -#define EMAC_M1_TX_TR 0x00008000 -#define EMAC_M1_TX_MWSW 0x00001000 /* 0 wait for status */ -#define EMAC_M1_JUMBO_ENABLE 0x00000800 /* Upt to 9Kr status */ -#define EMAC_M1_OPB_CLK_66 0x00000008 /* 66Mhz */ -#define EMAC_M1_OPB_CLK_83 0x00000010 /* 83Mhz */ -#define EMAC_M1_OPB_CLK_100 0x00000018 /* 100Mhz */ -#define EMAC_M1_OPB_CLK_100P 0x00000020 /* 100Mhz+ */ -#else /* CONFIG_IBM_EMAC4 */ -#define EMAC_M1_RFS_4K 0x00300000 /* ~4k for 512 byte */ -#define EMAC_M1_RFS_2K 0x00200000 -#define EMAC_M1_RFS_1K 0x00100000 -#define EMAC_M1_TX_FIFO_2K 0x00080000 /* 0's for 512 byte */ -#define EMAC_M1_TX_FIFO_1K 0x00040000 -#define EMAC_M1_TR0_DEPEND 0x00010000 /* 0'x for single packet */ -#define EMAC_M1_TR1_DEPEND 0x00004000 -#define EMAC_M1_TR1_MULTI 0x00002000 -#define EMAC_M1_JUMBO_ENABLE 0x00001000 -#endif /* CONFIG_IBM_EMAC4 */ -#define EMAC_M1_BASE (EMAC_M1_TX_FIFO_2K | \ - EMAC_M1_APP | \ - EMAC_M1_TR | EMAC_M1_VLE) +#define EMAC_TX_FIFO_SIZE 2048 -/* Transmit Mode Register 0 */ -#define EMAC_TMR0_GNP0 0x80000000 -#define EMAC_TMR0_GNP1 0x40000000 -#define EMAC_TMR0_GNPD 0x20000000 -#define EMAC_TMR0_FC 0x10000000 +#if !defined(CONFIG_IBM_EMAC4) +#define EMAC_MR1_RFS_4K 0x00300000 +#define EMAC_MR1_RFS_16K 0x00000000 +#define EMAC_RX_FIFO_SIZE(gige) 4096 +#define EMAC_MR1_TFS_2K 0x00080000 +#define EMAC_MR1_TR0_MULT 0x00008000 +#define EMAC_MR1_JPSM 0x00000000 +#define EMAC_MR1_BASE(opb) (EMAC_MR1_TFS_2K | EMAC_MR1_TR0_MULT) +#else +#define EMAC_MR1_RFS_4K 0x00180000 +#define EMAC_MR1_RFS_16K 0x00280000 +#define EMAC_RX_FIFO_SIZE(gige) ((gige) ? 16384 : 4096) +#define EMAC_MR1_TFS_2K 0x00020000 +#define EMAC_MR1_TR 0x00008000 +#define EMAC_MR1_MWSW_001 0x00001000 +#define EMAC_MR1_JPSM 0x00000800 +#define EMAC_MR1_OBCI_MASK 0x00000038 +#define EMAC_MR1_OBCI_50 0x00000000 +#define EMAC_MR1_OBCI_66 0x00000008 +#define EMAC_MR1_OBCI_83 0x00000010 +#define EMAC_MR1_OBCI_100 0x00000018 +#define EMAC_MR1_OBCI_100P 0x00000020 +#define EMAC_MR1_OBCI(freq) ((freq) <= 50 ? EMAC_MR1_OBCI_50 : \ + (freq) <= 66 ? EMAC_MR1_OBCI_66 : \ + (freq) <= 83 ? EMAC_MR1_OBCI_83 : \ + (freq) <= 100 ? EMAC_MR1_OBCI_100 : EMAC_MR1_OBCI_100P) +#define EMAC_MR1_BASE(opb) (EMAC_MR1_TFS_2K | EMAC_MR1_TR | \ + EMAC_MR1_MWSW_001 | EMAC_MR1_OBCI(opb)) +#endif + +/* EMACx_TMR0 */ +#define EMAC_TMR0_GNP 0x80000000 +#if !defined(CONFIG_IBM_EMAC4) +#define EMAC_TMR0_DEFAULT 0x00000000 +#else #define EMAC_TMR0_TFAE_2_32 0x00000001 #define EMAC_TMR0_TFAE_4_64 0x00000002 #define EMAC_TMR0_TFAE_8_128 0x00000003 @@ -112,14 +144,36 @@ typedef struct emac_regs { #define EMAC_TMR0_TFAE_32_512 0x00000005 #define EMAC_TMR0_TFAE_64_1024 0x00000006 #define EMAC_TMR0_TFAE_128_2048 0x00000007 +#define EMAC_TMR0_DEFAULT EMAC_TMR0_TFAE_2_32 +#endif +#define EMAC_TMR0_XMIT (EMAC_TMR0_GNP | EMAC_TMR0_DEFAULT) + +/* EMACx_TMR1 */ + +/* IBM manuals are not very clear here. + * This is my interpretation of how things are. --ebs + */ +#if defined(CONFIG_40x) +#define EMAC_FIFO_ENTRY_SIZE 8 +#define EMAC_MAL_BURST_SIZE (16 * 4) +#else +#define EMAC_FIFO_ENTRY_SIZE 16 +#define EMAC_MAL_BURST_SIZE (64 * 4) +#endif + +#if !defined(CONFIG_IBM_EMAC4) +#define EMAC_TMR1(l,h) (((l) << 27) | (((h) & 0xff) << 16)) +#else +#define EMAC_TMR1(l,h) (((l) << 27) | (((h) & 0x3ff) << 14)) +#endif -/* Receive Mode Register */ +/* EMACx_RMR */ #define EMAC_RMR_SP 0x80000000 #define EMAC_RMR_SFCS 0x40000000 -#define EMAC_RMR_ARRP 0x20000000 -#define EMAC_RMR_ARP 0x10000000 -#define EMAC_RMR_AROP 0x08000000 -#define EMAC_RMR_ARPI 0x04000000 +#define EMAC_RMR_RRP 0x20000000 +#define EMAC_RMR_RFP 0x10000000 +#define EMAC_RMR_ROP 0x08000000 +#define EMAC_RMR_RPIR 0x04000000 #define EMAC_RMR_PPP 0x02000000 #define EMAC_RMR_PME 0x01000000 #define EMAC_RMR_PMME 0x00800000 @@ -127,6 +181,9 @@ typedef struct emac_regs { #define EMAC_RMR_MIAE 0x00200000 #define EMAC_RMR_BAE 0x00100000 #define EMAC_RMR_MAE 0x00080000 +#if !defined(CONFIG_IBM_EMAC4) +#define EMAC_RMR_BASE 0x00000000 +#else #define EMAC_RMR_RFAF_2_32 0x00000001 #define EMAC_RMR_RFAF_4_64 0x00000002 #define EMAC_RMR_RFAF_8_128 0x00000003 @@ -134,9 +191,21 @@ typedef struct emac_regs { #define EMAC_RMR_RFAF_32_512 0x00000005 #define EMAC_RMR_RFAF_64_1024 0x00000006 #define EMAC_RMR_RFAF_128_2048 0x00000007 -#define EMAC_RMR_BASE (EMAC_RMR_IAE | EMAC_RMR_BAE) +#define EMAC_RMR_BASE EMAC_RMR_RFAF_128_2048 +#endif -/* Interrupt Status & enable Regs */ +/* EMACx_ISR & EMACx_ISER */ +#if !defined(CONFIG_IBM_EMAC4) +#define EMAC_ISR_TXPE 0x00000000 +#define EMAC_ISR_RXPE 0x00000000 +#define EMAC_ISR_TXUE 0x00000000 +#define EMAC_ISR_RXOE 0x00000000 +#else +#define EMAC_ISR_TXPE 0x20000000 +#define EMAC_ISR_RXPE 0x10000000 +#define EMAC_ISR_TXUE 0x08000000 +#define EMAC_ISR_RXOE 0x04000000 +#endif #define EMAC_ISR_OVR 0x02000000 #define EMAC_ISR_PP 0x01000000 #define EMAC_ISR_BP 0x00800000 @@ -147,53 +216,62 @@ typedef struct emac_regs { #define EMAC_ISR_PTLE 0x00040000 #define EMAC_ISR_ORE 0x00020000 #define EMAC_ISR_IRE 0x00010000 -#define EMAC_ISR_DBDM 0x00000200 -#define EMAC_ISR_DB0 0x00000100 -#define EMAC_ISR_SE0 0x00000080 -#define EMAC_ISR_TE0 0x00000040 -#define EMAC_ISR_DB1 0x00000020 -#define EMAC_ISR_SE1 0x00000010 -#define EMAC_ISR_TE1 0x00000008 +#define EMAC_ISR_SQE 0x00000080 +#define EMAC_ISR_TE 0x00000040 #define EMAC_ISR_MOS 0x00000002 #define EMAC_ISR_MOF 0x00000001 -/* STA CONTROL REG */ +/* EMACx_STACR */ +#define EMAC_STACR_PHYD_MASK 0xffff +#define EMAC_STACR_PHYD_SHIFT 16 #define EMAC_STACR_OC 0x00008000 #define EMAC_STACR_PHYE 0x00004000 -#define EMAC_STACR_WRITE 0x00002000 -#define EMAC_STACR_READ 0x00001000 -#define EMAC_STACR_CLK_83MHZ 0x00000800 /* 0's for 50Mhz */ -#define EMAC_STACR_CLK_66MHZ 0x00000400 -#define EMAC_STACR_CLK_100MHZ 0x00000C00 +#define EMAC_STACR_STAC_MASK 0x00003000 +#define EMAC_STACR_STAC_READ 0x00001000 +#define EMAC_STACR_STAC_WRITE 0x00002000 +#if !defined(CONFIG_IBM_EMAC4) +#define EMAC_STACR_OPBC_MASK 0x00000C00 +#define EMAC_STACR_OPBC_50 0x00000000 +#define EMAC_STACR_OPBC_66 0x00000400 +#define EMAC_STACR_OPBC_83 0x00000800 +#define EMAC_STACR_OPBC_100 0x00000C00 +#define EMAC_STACR_OPBC(freq) ((freq) <= 50 ? EMAC_STACR_OPBC_50 : \ + (freq) <= 66 ? EMAC_STACR_OPBC_66 : \ + (freq) <= 83 ? EMAC_STACR_OPBC_83 : EMAC_STACR_OPBC_100) +#define EMAC_STACR_BASE(opb) EMAC_STACR_OPBC(opb) +#else +#define EMAC_STACR_BASE(opb) 0x00000000 +#endif +#define EMAC_STACR_PCDA_MASK 0x1f +#define EMAC_STACR_PCDA_SHIFT 5 +#define EMAC_STACR_PRA_MASK 0x1f + +/* EMACx_TRTR */ +#if !defined(CONFIG_IBM_EMAC4) +#define EMAC_TRTR_SHIFT 27 +#else +#define EMAC_TRTR_SHIFT 24 +#endif +#define EMAC_TRTR(size) ((((size) >> 6) - 1) << EMAC_TRTR_SHIFT) -/* Transmit Request Threshold Register */ -#define EMAC_TRTR_1600 0x18000000 /* 0's for 64 Bytes */ -#define EMAC_TRTR_1024 0x0f000000 -#define EMAC_TRTR_512 0x07000000 -#define EMAC_TRTR_256 0x03000000 -#define EMAC_TRTR_192 0x10000000 -#define EMAC_TRTR_128 0x01000000 +/* EMACx_RWMR */ +#if !defined(CONFIG_IBM_EMAC4) +#define EMAC_RWMR(l,h) (((l) << 23) | ( ((h) & 0x1ff) << 7)) +#else +#define EMAC_RWMR(l,h) (((l) << 22) | ( ((h) & 0x3ff) << 6)) +#endif +/* EMAC specific TX descriptor control fields (write access) */ #define EMAC_TX_CTRL_GFCS 0x0200 #define EMAC_TX_CTRL_GP 0x0100 #define EMAC_TX_CTRL_ISA 0x0080 #define EMAC_TX_CTRL_RSA 0x0040 #define EMAC_TX_CTRL_IVT 0x0020 #define EMAC_TX_CTRL_RVT 0x0010 -#define EMAC_TX_CTRL_TAH_CSUM 0x000e /* TAH only */ -#define EMAC_TX_CTRL_TAH_SEG4 0x000a /* TAH only */ -#define EMAC_TX_CTRL_TAH_SEG3 0x0008 /* TAH only */ -#define EMAC_TX_CTRL_TAH_SEG2 0x0006 /* TAH only */ -#define EMAC_TX_CTRL_TAH_SEG1 0x0004 /* TAH only */ -#define EMAC_TX_CTRL_TAH_SEG0 0x0002 /* TAH only */ -#define EMAC_TX_CTRL_TAH_DIS 0x0000 /* TAH only */ +#define EMAC_TX_CTRL_TAH_CSUM 0x000e -#define EMAC_TX_CTRL_DFLT ( \ - MAL_TX_CTRL_INTR | EMAC_TX_CTRL_GFCS | EMAC_TX_CTRL_GP ) - -/* madmal transmit status / Control bits */ +/* EMAC specific TX descriptor status fields (read access) */ #define EMAC_TX_ST_BFCS 0x0200 -#define EMAC_TX_ST_BPP 0x0100 #define EMAC_TX_ST_LCS 0x0080 #define EMAC_TX_ST_ED 0x0040 #define EMAC_TX_ST_EC 0x0020 @@ -202,8 +280,16 @@ typedef struct emac_regs { #define EMAC_TX_ST_SC 0x0004 #define EMAC_TX_ST_UR 0x0002 #define EMAC_TX_ST_SQE 0x0001 +#if !defined(CONFIG_IBM_EMAC_TAH) +#define EMAC_IS_BAD_TX(v) ((v) & (EMAC_TX_ST_LCS | EMAC_TX_ST_ED | \ + EMAC_TX_ST_EC | EMAC_TX_ST_LC | \ + EMAC_TX_ST_MC | EMAC_TX_ST_UR)) +#else +#define EMAC_IS_BAD_TX(v) ((v) & (EMAC_TX_ST_LCS | EMAC_TX_ST_ED | \ + EMAC_TX_ST_EC | EMAC_TX_ST_LC)) +#endif -/* madmal receive status / Control bits */ +/* EMAC specific RX descriptor status fields (read access) */ #define EMAC_RX_ST_OE 0x0200 #define EMAC_RX_ST_PP 0x0100 #define EMAC_RX_ST_BP 0x0080 @@ -214,54 +300,10 @@ typedef struct emac_regs { #define EMAC_RX_ST_PTL 0x0004 #define EMAC_RX_ST_ORE 0x0002 #define EMAC_RX_ST_IRE 0x0001 -#define EMAC_BAD_RX_PACKET 0x02ff -#define EMAC_CSUM_VER_ERROR 0x0003 - -/* identify a bad rx packet dependent on emac features */ -#ifdef CONFIG_IBM_EMAC4 -#define EMAC_IS_BAD_RX_PACKET(desc) \ - (((desc & (EMAC_BAD_RX_PACKET & ~EMAC_CSUM_VER_ERROR)) || \ - ((desc & EMAC_CSUM_VER_ERROR) == EMAC_RX_ST_ORE) || \ - ((desc & EMAC_CSUM_VER_ERROR) == EMAC_RX_ST_IRE))) -#else -#define EMAC_IS_BAD_RX_PACKET(desc) \ - (desc & EMAC_BAD_RX_PACKET) -#endif - -/* SoC implementation specific EMAC register defaults */ -#if defined(CONFIG_440GP) -#define EMAC_RWMR_DEFAULT 0x80009000 -#define EMAC_TMR0_DEFAULT 0x00000000 -#define EMAC_TMR1_DEFAULT 0xf8640000 -#elif defined(CONFIG_440GX) -#define EMAC_RWMR_DEFAULT 0x1000a200 -#define EMAC_TMR0_DEFAULT EMAC_TMR0_TFAE_2_32 -#define EMAC_TMR1_DEFAULT 0xa00f0000 -#elif defined(CONFIG_440SP) -#define EMAC_RWMR_DEFAULT 0x08002000 -#define EMAC_TMR0_DEFAULT EMAC_TMR0_TFAE_128_2048 -#define EMAC_TMR1_DEFAULT 0xf8200000 -#else -#define EMAC_RWMR_DEFAULT 0x0f002000 -#define EMAC_TMR0_DEFAULT 0x00000000 -#define EMAC_TMR1_DEFAULT 0x380f0000 -#endif /* CONFIG_440GP */ - -/* Revision specific EMAC register defaults */ -#ifdef CONFIG_IBM_EMAC4 -#define EMAC_M1_DEFAULT (EMAC_M1_BASE | \ - EMAC_M1_OPB_CLK_83 | \ - EMAC_M1_TX_MWSW) -#define EMAC_RMR_DEFAULT (EMAC_RMR_BASE | \ - EMAC_RMR_RFAF_128_2048) -#define EMAC_TMR0_XMIT (EMAC_TMR0_GNP0 | \ - EMAC_TMR0_DEFAULT) -#define EMAC_TRTR_DEFAULT EMAC_TRTR_1024 -#else /* !CONFIG_IBM_EMAC4 */ -#define EMAC_M1_DEFAULT EMAC_M1_BASE -#define EMAC_RMR_DEFAULT EMAC_RMR_BASE -#define EMAC_TMR0_XMIT EMAC_TMR0_GNP0 -#define EMAC_TRTR_DEFAULT EMAC_TRTR_1600 -#endif /* CONFIG_IBM_EMAC4 */ - -#endif +#define EMAC_RX_TAH_BAD_CSUM 0x0003 +#define EMAC_BAD_RX_MASK (EMAC_RX_ST_OE | EMAC_RX_ST_BP | \ + EMAC_RX_ST_RP | EMAC_RX_ST_SE | \ + EMAC_RX_ST_AE | EMAC_RX_ST_BFCS | \ + EMAC_RX_ST_PTL | EMAC_RX_ST_ORE | \ + EMAC_RX_ST_IRE ) +#endif /* __IBM_EMAC_H_ */ diff --git a/drivers/net/ibm_emac/ibm_emac_core.c b/drivers/net/ibm_emac/ibm_emac_core.c index 14e9b6315f20..943fbd1546ff 100644 --- a/drivers/net/ibm_emac/ibm_emac_core.c +++ b/drivers/net/ibm_emac/ibm_emac_core.c @@ -1,13 +1,14 @@ /* - * ibm_emac_core.c + * drivers/net/ibm_emac/ibm_emac_core.c * - * Ethernet driver for the built in ethernet on the IBM 4xx PowerPC - * processors. - * - * (c) 2003 Benjamin Herrenschmidt <benh@kernel.crashing.org> + * Driver for PowerPC 4xx on-chip ethernet controller. * - * Based on original work by + * Copyright (c) 2004, 2005 Zultys Technologies. + * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> * + * Based on original work by + * Matt Porter <mporter@kernel.crashing.org> + * (c) 2003 Benjamin Herrenschmidt <benh@kernel.crashing.org> * Armin Kuster <akuster@mvista.com> * Johnnie Peters <jpeters@mvista.com> * @@ -15,29 +16,24 @@ * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. - * TODO - * - Check for races in the "remove" code path - * - Add some Power Management to the MAC and the PHY - * - Audit remaining of non-rewritten code (--BenH) - * - Cleanup message display using msglevel mecanism - * - Address all errata - * - Audit all register update paths to ensure they - * are being written post soft reset if required. + * */ + +#include <linux/config.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/sched.h> #include <linux/string.h> -#include <linux/timer.h> -#include <linux/ptrace.h> #include <linux/errno.h> -#include <linux/ioport.h> -#include <linux/slab.h> #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/init.h> #include <linux/types.h> -#include <linux/dma-mapping.h> +#include <linux/pci.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/skbuff.h> +#include <linux/crc32.h> #include <linux/ethtool.h> #include <linux/mii.h> #include <linux/bitops.h> @@ -45,1691 +41,1893 @@ #include <asm/processor.h> #include <asm/io.h> #include <asm/dma.h> -#include <asm/irq.h> #include <asm/uaccess.h> #include <asm/ocp.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/crc32.h> - #include "ibm_emac_core.h" - -//#define MDIO_DEBUG(fmt) printk fmt -#define MDIO_DEBUG(fmt) - -//#define LINK_DEBUG(fmt) printk fmt -#define LINK_DEBUG(fmt) - -//#define PKT_DEBUG(fmt) printk fmt -#define PKT_DEBUG(fmt) - -#define DRV_NAME "emac" -#define DRV_VERSION "2.0" -#define DRV_AUTHOR "Benjamin Herrenschmidt <benh@kernel.crashing.org>" -#define DRV_DESC "IBM EMAC Ethernet driver" +#include "ibm_emac_debug.h" /* - * When mdio_idx >= 0, contains a list of emac ocp_devs - * that have had their initialization deferred until the - * common MDIO controller has been initialized. + * Lack of dma_unmap_???? calls is intentional. + * + * API-correct usage requires additional support state information to be + * maintained for every RX and TX buffer descriptor (BD). Unfortunately, due to + * EMAC design (e.g. TX buffer passed from network stack can be split into + * several BDs, dma_map_single/dma_map_page can be used to map particular BD), + * maintaining such information will add additional overhead. + * Current DMA API implementation for 4xx processors only ensures cache coherency + * and dma_unmap_???? routines are empty and are likely to stay this way. + * I decided to omit dma_unmap_??? calls because I don't want to add additional + * complexity just for the sake of following some abstract API, when it doesn't + * add any real benefit to the driver. I understand that this decision maybe + * controversial, but I really tried to make code API-correct and efficient + * at the same time and didn't come up with code I liked :(. --ebs */ -LIST_HEAD(emac_init_list); -MODULE_AUTHOR(DRV_AUTHOR); +#define DRV_NAME "emac" +#define DRV_VERSION "3.53" +#define DRV_DESC "PPC 4xx OCP EMAC driver" + MODULE_DESCRIPTION(DRV_DESC); +MODULE_AUTHOR + ("Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>"); MODULE_LICENSE("GPL"); -static int skb_res = SKB_RES; -module_param(skb_res, int, 0444); -MODULE_PARM_DESC(skb_res, "Amount of data to reserve on skb buffs\n" - "The 405 handles a misaligned IP header fine but\n" - "this can help if you are routing to a tunnel or a\n" - "device that needs aligned data. 0..2"); - -#define RGMII_PRIV(ocpdev) ((struct ibm_ocp_rgmii*)ocp_get_drvdata(ocpdev)) +/* minimum number of free TX descriptors required to wake up TX process */ +#define EMAC_TX_WAKEUP_THRESH (NUM_TX_BUFF / 4) -static unsigned int rgmii_enable[] = { - RGMII_RTBI, - RGMII_RGMII, - RGMII_TBI, - RGMII_GMII -}; +/* If packet size is less than this number, we allocate small skb and copy packet + * contents into it instead of just sending original big skb up + */ +#define EMAC_RX_COPY_THRESH CONFIG_IBM_EMAC_RX_COPY_THRESHOLD -static unsigned int rgmii_speed_mask[] = { - RGMII_MII2_SPDMASK, - RGMII_MII3_SPDMASK -}; +/* Since multiple EMACs share MDIO lines in various ways, we need + * to avoid re-using the same PHY ID in cases where the arch didn't + * setup precise phy_map entries + */ +static u32 busy_phy_map; -static unsigned int rgmii_speed100[] = { - RGMII_MII2_100MB, - RGMII_MII3_100MB -}; +#if defined(CONFIG_IBM_EMAC_PHY_RX_CLK_FIX) && (defined(CONFIG_405EP) || defined(CONFIG_440EP)) +/* 405EP has "EMAC to PHY Control Register" (CPC0_EPCTL) which can help us + * with PHY RX clock problem. + * 440EP has more sane SDR0_MFR register implementation than 440GX, which + * also allows controlling each EMAC clock + */ +static inline void EMAC_RX_CLK_TX(int idx) +{ + unsigned long flags; + local_irq_save(flags); -static unsigned int rgmii_speed1000[] = { - RGMII_MII2_1000MB, - RGMII_MII3_1000MB -}; +#if defined(CONFIG_405EP) + mtdcr(0xf3, mfdcr(0xf3) | (1 << idx)); +#else /* CONFIG_440EP */ + SDR_WRITE(DCRN_SDR_MFR, SDR_READ(DCRN_SDR_MFR) | (0x08000000 >> idx)); +#endif -#define ZMII_PRIV(ocpdev) ((struct ibm_ocp_zmii*)ocp_get_drvdata(ocpdev)) + local_irq_restore(flags); +} -static unsigned int zmii_enable[][4] = { - {ZMII_SMII0, ZMII_RMII0, ZMII_MII0, - ~(ZMII_MDI1 | ZMII_MDI2 | ZMII_MDI3)}, - {ZMII_SMII1, ZMII_RMII1, ZMII_MII1, - ~(ZMII_MDI0 | ZMII_MDI2 | ZMII_MDI3)}, - {ZMII_SMII2, ZMII_RMII2, ZMII_MII2, - ~(ZMII_MDI0 | ZMII_MDI1 | ZMII_MDI3)}, - {ZMII_SMII3, ZMII_RMII3, ZMII_MII3, ~(ZMII_MDI0 | ZMII_MDI1 | ZMII_MDI2)} -}; +static inline void EMAC_RX_CLK_DEFAULT(int idx) +{ + unsigned long flags; + local_irq_save(flags); -static unsigned int mdi_enable[] = { - ZMII_MDI0, - ZMII_MDI1, - ZMII_MDI2, - ZMII_MDI3 -}; +#if defined(CONFIG_405EP) + mtdcr(0xf3, mfdcr(0xf3) & ~(1 << idx)); +#else /* CONFIG_440EP */ + SDR_WRITE(DCRN_SDR_MFR, SDR_READ(DCRN_SDR_MFR) & ~(0x08000000 >> idx)); +#endif -static unsigned int zmii_speed = 0x0; -static unsigned int zmii_speed100[] = { - ZMII_MII0_100MB, - ZMII_MII1_100MB, - ZMII_MII2_100MB, - ZMII_MII3_100MB -}; + local_irq_restore(flags); +} +#else +#define EMAC_RX_CLK_TX(idx) ((void)0) +#define EMAC_RX_CLK_DEFAULT(idx) ((void)0) +#endif -/* Since multiple EMACs share MDIO lines in various ways, we need - * to avoid re-using the same PHY ID in cases where the arch didn't - * setup precise phy_map entries +#if defined(CONFIG_IBM_EMAC_PHY_RX_CLK_FIX) && defined(CONFIG_440GX) +/* We can switch Ethernet clock to the internal source through SDR0_MFR[ECS], + * unfortunately this is less flexible than 440EP case, because it's a global + * setting for all EMACs, therefore we do this clock trick only during probe. */ -static u32 busy_phy_map = 0; +#define EMAC_CLK_INTERNAL SDR_WRITE(DCRN_SDR_MFR, \ + SDR_READ(DCRN_SDR_MFR) | 0x08000000) +#define EMAC_CLK_EXTERNAL SDR_WRITE(DCRN_SDR_MFR, \ + SDR_READ(DCRN_SDR_MFR) & ~0x08000000) +#else +#define EMAC_CLK_INTERNAL ((void)0) +#define EMAC_CLK_EXTERNAL ((void)0) +#endif -/* If EMACs share a common MDIO device, this points to it */ -static struct net_device *mdio_ndev = NULL; +/* I don't want to litter system log with timeout errors + * when we have brain-damaged PHY. + */ +static inline void emac_report_timeout_error(struct ocp_enet_private *dev, + const char *error) +{ +#if defined(CONFIG_IBM_EMAC_PHY_RX_CLK_FIX) + DBG("%d: %s" NL, dev->def->index, error); +#else + if (net_ratelimit()) + printk(KERN_ERR "emac%d: %s\n", dev->def->index, error); +#endif +} -struct emac_def_dev { - struct list_head link; - struct ocp_device *ocpdev; - struct ibm_ocp_mal *mal; +/* PHY polling intervals */ +#define PHY_POLL_LINK_ON HZ +#define PHY_POLL_LINK_OFF (HZ / 5) + +/* Please, keep in sync with struct ibm_emac_stats/ibm_emac_error_stats */ +static const char emac_stats_keys[EMAC_ETHTOOL_STATS_COUNT][ETH_GSTRING_LEN] = { + "rx_packets", "rx_bytes", "tx_packets", "tx_bytes", "rx_packets_csum", + "tx_packets_csum", "tx_undo", "rx_dropped_stack", "rx_dropped_oom", + "rx_dropped_error", "rx_dropped_resize", "rx_dropped_mtu", + "rx_stopped", "rx_bd_errors", "rx_bd_overrun", "rx_bd_bad_packet", + "rx_bd_runt_packet", "rx_bd_short_event", "rx_bd_alignment_error", + "rx_bd_bad_fcs", "rx_bd_packet_too_long", "rx_bd_out_of_range", + "rx_bd_in_range", "rx_parity", "rx_fifo_overrun", "rx_overrun", + "rx_bad_packet", "rx_runt_packet", "rx_short_event", + "rx_alignment_error", "rx_bad_fcs", "rx_packet_too_long", + "rx_out_of_range", "rx_in_range", "tx_dropped", "tx_bd_errors", + "tx_bd_bad_fcs", "tx_bd_carrier_loss", "tx_bd_excessive_deferral", + "tx_bd_excessive_collisions", "tx_bd_late_collision", + "tx_bd_multple_collisions", "tx_bd_single_collision", + "tx_bd_underrun", "tx_bd_sqe", "tx_parity", "tx_underrun", "tx_sqe", + "tx_errors" }; -static struct net_device_stats *emac_stats(struct net_device *dev) +static irqreturn_t emac_irq(int irq, void *dev_instance, struct pt_regs *regs); +static void emac_clean_tx_ring(struct ocp_enet_private *dev); + +static inline int emac_phy_supports_gige(int phy_mode) { - struct ocp_enet_private *fep = dev->priv; - return &fep->stats; -}; + return phy_mode == PHY_MODE_GMII || + phy_mode == PHY_MODE_RGMII || + phy_mode == PHY_MODE_TBI || + phy_mode == PHY_MODE_RTBI; +} -static int -emac_init_rgmii(struct ocp_device *rgmii_dev, int input, int phy_mode) +static inline int emac_phy_gpcs(int phy_mode) { - struct ibm_ocp_rgmii *rgmii = RGMII_PRIV(rgmii_dev); - const char *mode_name[] = { "RTBI", "RGMII", "TBI", "GMII" }; - int mode = -1; + return phy_mode == PHY_MODE_TBI || + phy_mode == PHY_MODE_RTBI; +} - if (!rgmii) { - rgmii = kmalloc(sizeof(struct ibm_ocp_rgmii), GFP_KERNEL); +static inline void emac_tx_enable(struct ocp_enet_private *dev) +{ + struct emac_regs *p = dev->emacp; + unsigned long flags; + u32 r; - if (rgmii == NULL) { - printk(KERN_ERR - "rgmii%d: Out of memory allocating RGMII structure!\n", - rgmii_dev->def->index); - return -ENOMEM; - } + local_irq_save(flags); - memset(rgmii, 0, sizeof(*rgmii)); + DBG("%d: tx_enable" NL, dev->def->index); - rgmii->base = - (struct rgmii_regs *)ioremap(rgmii_dev->def->paddr, - sizeof(*rgmii->base)); - if (rgmii->base == NULL) { - printk(KERN_ERR - "rgmii%d: Cannot ioremap bridge registers!\n", - rgmii_dev->def->index); + r = in_be32(&p->mr0); + if (!(r & EMAC_MR0_TXE)) + out_be32(&p->mr0, r | EMAC_MR0_TXE); + local_irq_restore(flags); +} - kfree(rgmii); - return -ENOMEM; - } - ocp_set_drvdata(rgmii_dev, rgmii); - } +static void emac_tx_disable(struct ocp_enet_private *dev) +{ + struct emac_regs *p = dev->emacp; + unsigned long flags; + u32 r; - if (phy_mode) { - switch (phy_mode) { - case PHY_MODE_GMII: - mode = GMII; - break; - case PHY_MODE_TBI: - mode = TBI; - break; - case PHY_MODE_RTBI: - mode = RTBI; - break; - case PHY_MODE_RGMII: - default: - mode = RGMII; - } - rgmii->base->fer &= ~RGMII_FER_MASK(input); - rgmii->base->fer |= rgmii_enable[mode] << (4 * input); - } else { - switch ((rgmii->base->fer & RGMII_FER_MASK(input)) >> (4 * - input)) { - case RGMII_RTBI: - mode = RTBI; - break; - case RGMII_RGMII: - mode = RGMII; - break; - case RGMII_TBI: - mode = TBI; - break; - case RGMII_GMII: - mode = GMII; - } - } + local_irq_save(flags); + + DBG("%d: tx_disable" NL, dev->def->index); - /* Set mode to RGMII if nothing valid is detected */ - if (mode < 0) - mode = RGMII; + r = in_be32(&p->mr0); + if (r & EMAC_MR0_TXE) { + int n = 300; + out_be32(&p->mr0, r & ~EMAC_MR0_TXE); + while (!(in_be32(&p->mr0) & EMAC_MR0_TXI) && n) + --n; + if (unlikely(!n)) + emac_report_timeout_error(dev, "TX disable timeout"); + } + local_irq_restore(flags); +} - printk(KERN_NOTICE "rgmii%d: input %d in %s mode\n", - rgmii_dev->def->index, input, mode_name[mode]); +static void emac_rx_enable(struct ocp_enet_private *dev) +{ + struct emac_regs *p = dev->emacp; + unsigned long flags; + u32 r; - rgmii->mode[input] = mode; - rgmii->users++; + local_irq_save(flags); + if (unlikely(dev->commac.rx_stopped)) + goto out; - return 0; + DBG("%d: rx_enable" NL, dev->def->index); + + r = in_be32(&p->mr0); + if (!(r & EMAC_MR0_RXE)) { + if (unlikely(!(r & EMAC_MR0_RXI))) { + /* Wait if previous async disable is still in progress */ + int n = 100; + while (!(r = in_be32(&p->mr0) & EMAC_MR0_RXI) && n) + --n; + if (unlikely(!n)) + emac_report_timeout_error(dev, + "RX disable timeout"); + } + out_be32(&p->mr0, r | EMAC_MR0_RXE); + } + out: + local_irq_restore(flags); } -static void -emac_rgmii_port_speed(struct ocp_device *ocpdev, int input, int speed) +static void emac_rx_disable(struct ocp_enet_private *dev) { - struct ibm_ocp_rgmii *rgmii = RGMII_PRIV(ocpdev); - unsigned int rgmii_speed; - - rgmii_speed = in_be32(&rgmii->base->ssr); + struct emac_regs *p = dev->emacp; + unsigned long flags; + u32 r; - rgmii_speed &= ~rgmii_speed_mask[input]; + local_irq_save(flags); - if (speed == 1000) - rgmii_speed |= rgmii_speed1000[input]; - else if (speed == 100) - rgmii_speed |= rgmii_speed100[input]; + DBG("%d: rx_disable" NL, dev->def->index); - out_be32(&rgmii->base->ssr, rgmii_speed); + r = in_be32(&p->mr0); + if (r & EMAC_MR0_RXE) { + int n = 300; + out_be32(&p->mr0, r & ~EMAC_MR0_RXE); + while (!(in_be32(&p->mr0) & EMAC_MR0_RXI) && n) + --n; + if (unlikely(!n)) + emac_report_timeout_error(dev, "RX disable timeout"); + } + local_irq_restore(flags); } -static void emac_close_rgmii(struct ocp_device *ocpdev) +static inline void emac_rx_disable_async(struct ocp_enet_private *dev) { - struct ibm_ocp_rgmii *rgmii = RGMII_PRIV(ocpdev); - BUG_ON(!rgmii || rgmii->users == 0); + struct emac_regs *p = dev->emacp; + unsigned long flags; + u32 r; - if (!--rgmii->users) { - ocp_set_drvdata(ocpdev, NULL); - iounmap((void *)rgmii->base); - kfree(rgmii); - } + local_irq_save(flags); + + DBG("%d: rx_disable_async" NL, dev->def->index); + + r = in_be32(&p->mr0); + if (r & EMAC_MR0_RXE) + out_be32(&p->mr0, r & ~EMAC_MR0_RXE); + local_irq_restore(flags); } -static int emac_init_zmii(struct ocp_device *zmii_dev, int input, int phy_mode) +static int emac_reset(struct ocp_enet_private *dev) { - struct ibm_ocp_zmii *zmii = ZMII_PRIV(zmii_dev); - const char *mode_name[] = { "SMII", "RMII", "MII" }; - int mode = -1; + struct emac_regs *p = dev->emacp; + unsigned long flags; + int n = 20; - if (!zmii) { - zmii = kmalloc(sizeof(struct ibm_ocp_zmii), GFP_KERNEL); - if (zmii == NULL) { - printk(KERN_ERR - "zmii%d: Out of memory allocating ZMII structure!\n", - zmii_dev->def->index); - return -ENOMEM; - } - memset(zmii, 0, sizeof(*zmii)); + DBG("%d: reset" NL, dev->def->index); - zmii->base = - (struct zmii_regs *)ioremap(zmii_dev->def->paddr, - sizeof(*zmii->base)); - if (zmii->base == NULL) { - printk(KERN_ERR - "zmii%d: Cannot ioremap bridge registers!\n", - zmii_dev->def->index); + local_irq_save(flags); - kfree(zmii); - return -ENOMEM; - } - ocp_set_drvdata(zmii_dev, zmii); + if (!dev->reset_failed) { + /* 40x erratum suggests stopping RX channel before reset, + * we stop TX as well + */ + emac_rx_disable(dev); + emac_tx_disable(dev); } - if (phy_mode) { - switch (phy_mode) { - case PHY_MODE_MII: - mode = MII; - break; - case PHY_MODE_RMII: - mode = RMII; - break; - case PHY_MODE_SMII: - default: - mode = SMII; - } - zmii->base->fer &= ~ZMII_FER_MASK(input); - zmii->base->fer |= zmii_enable[input][mode]; + out_be32(&p->mr0, EMAC_MR0_SRST); + while ((in_be32(&p->mr0) & EMAC_MR0_SRST) && n) + --n; + local_irq_restore(flags); + + if (n) { + dev->reset_failed = 0; + return 0; } else { - switch ((zmii->base->fer & ZMII_FER_MASK(input)) << (4 * input)) { - case ZMII_MII0: - mode = MII; - break; - case ZMII_RMII0: - mode = RMII; - break; - case ZMII_SMII0: - mode = SMII; - } + emac_report_timeout_error(dev, "reset timeout"); + dev->reset_failed = 1; + return -ETIMEDOUT; } +} - /* Set mode to SMII if nothing valid is detected */ - if (mode < 0) - mode = SMII; +static void emac_hash_mc(struct ocp_enet_private *dev) +{ + struct emac_regs *p = dev->emacp; + u16 gaht[4] = { 0 }; + struct dev_mc_list *dmi; - printk(KERN_NOTICE "zmii%d: input %d in %s mode\n", - zmii_dev->def->index, input, mode_name[mode]); + DBG("%d: hash_mc %d" NL, dev->def->index, dev->ndev->mc_count); - zmii->mode[input] = mode; - zmii->users++; + for (dmi = dev->ndev->mc_list; dmi; dmi = dmi->next) { + int bit; + DBG2("%d: mc %02x:%02x:%02x:%02x:%02x:%02x" NL, + dev->def->index, + dmi->dmi_addr[0], dmi->dmi_addr[1], dmi->dmi_addr[2], + dmi->dmi_addr[3], dmi->dmi_addr[4], dmi->dmi_addr[5]); - return 0; + bit = 63 - (ether_crc(ETH_ALEN, dmi->dmi_addr) >> 26); + gaht[bit >> 4] |= 0x8000 >> (bit & 0x0f); + } + out_be32(&p->gaht1, gaht[0]); + out_be32(&p->gaht2, gaht[1]); + out_be32(&p->gaht3, gaht[2]); + out_be32(&p->gaht4, gaht[3]); } -static void emac_enable_zmii_port(struct ocp_device *ocpdev, int input) +static inline u32 emac_iff2rmr(struct net_device *ndev) { - u32 mask; - struct ibm_ocp_zmii *zmii = ZMII_PRIV(ocpdev); + u32 r = EMAC_RMR_SP | EMAC_RMR_SFCS | EMAC_RMR_IAE | EMAC_RMR_BAE | + EMAC_RMR_BASE; - mask = in_be32(&zmii->base->fer); - mask &= zmii_enable[input][MDI]; /* turn all non enabled MDI's off */ - mask |= zmii_enable[input][zmii->mode[input]] | mdi_enable[input]; - out_be32(&zmii->base->fer, mask); + if (ndev->flags & IFF_PROMISC) + r |= EMAC_RMR_PME; + else if (ndev->flags & IFF_ALLMULTI || ndev->mc_count > 32) + r |= EMAC_RMR_PMME; + else if (ndev->mc_count > 0) + r |= EMAC_RMR_MAE; + + return r; } -static void -emac_zmii_port_speed(struct ocp_device *ocpdev, int input, int speed) +static inline int emac_opb_mhz(void) { - struct ibm_ocp_zmii *zmii = ZMII_PRIV(ocpdev); - - if (speed == 100) - zmii_speed |= zmii_speed100[input]; - else - zmii_speed &= ~zmii_speed100[input]; - - out_be32(&zmii->base->ssr, zmii_speed); + return (ocp_sys_info.opb_bus_freq + 500000) / 1000000; } -static void emac_close_zmii(struct ocp_device *ocpdev) +/* BHs disabled */ +static int emac_configure(struct ocp_enet_private *dev) { - struct ibm_ocp_zmii *zmii = ZMII_PRIV(ocpdev); - BUG_ON(!zmii || zmii->users == 0); + struct emac_regs *p = dev->emacp; + struct net_device *ndev = dev->ndev; + int gige; + u32 r; - if (!--zmii->users) { - ocp_set_drvdata(ocpdev, NULL); - iounmap((void *)zmii->base); - kfree(zmii); - } -} + DBG("%d: configure" NL, dev->def->index); -int emac_phy_read(struct net_device *dev, int mii_id, int reg) -{ - int count; - uint32_t stacr; - struct ocp_enet_private *fep = dev->priv; - emac_t *emacp = fep->emacp; + if (emac_reset(dev) < 0) + return -ETIMEDOUT; - MDIO_DEBUG(("%s: phy_read, id: 0x%x, reg: 0x%x\n", dev->name, mii_id, - reg)); + tah_reset(dev->tah_dev); - /* Enable proper ZMII port */ - if (fep->zmii_dev) - emac_enable_zmii_port(fep->zmii_dev, fep->zmii_input); + /* Mode register */ + r = EMAC_MR1_BASE(emac_opb_mhz()) | EMAC_MR1_VLE | EMAC_MR1_IST; + if (dev->phy.duplex == DUPLEX_FULL) + r |= EMAC_MR1_FDE; + switch (dev->phy.speed) { + case SPEED_1000: + if (emac_phy_gpcs(dev->phy.mode)) { + r |= EMAC_MR1_MF_1000GPCS | + EMAC_MR1_MF_IPPA(dev->phy.address); - /* Use the EMAC that has the MDIO port */ - if (fep->mdio_dev) { - dev = fep->mdio_dev; - fep = dev->priv; - emacp = fep->emacp; + /* Put some arbitrary OUI, Manuf & Rev IDs so we can + * identify this GPCS PHY later. + */ + out_be32(&p->ipcr, 0xdeadbeef); + } else + r |= EMAC_MR1_MF_1000; + r |= EMAC_MR1_RFS_16K; + gige = 1; + + if (dev->ndev->mtu > ETH_DATA_LEN) + r |= EMAC_MR1_JPSM; + break; + case SPEED_100: + r |= EMAC_MR1_MF_100; + /* Fall through */ + default: + r |= EMAC_MR1_RFS_4K; + gige = 0; + break; } - count = 0; - while ((((stacr = in_be32(&emacp->em0stacr)) & EMAC_STACR_OC) == 0) - && (count++ < MDIO_DELAY)) - udelay(1); - MDIO_DEBUG((" (count was %d)\n", count)); + if (dev->rgmii_dev) + rgmii_set_speed(dev->rgmii_dev, dev->rgmii_input, + dev->phy.speed); + else + zmii_set_speed(dev->zmii_dev, dev->zmii_input, dev->phy.speed); - if ((stacr & EMAC_STACR_OC) == 0) { - printk(KERN_WARNING "%s: PHY read timeout #1!\n", dev->name); - return -1; +#if !defined(CONFIG_40x) + /* on 40x erratum forces us to NOT use integrated flow control, + * let's hope it works on 44x ;) + */ + if (dev->phy.duplex == DUPLEX_FULL) { + if (dev->phy.pause) + r |= EMAC_MR1_EIFC | EMAC_MR1_APP; + else if (dev->phy.asym_pause) + r |= EMAC_MR1_APP; } +#endif + out_be32(&p->mr1, r); + + /* Set individual MAC address */ + out_be32(&p->iahr, (ndev->dev_addr[0] << 8) | ndev->dev_addr[1]); + out_be32(&p->ialr, (ndev->dev_addr[2] << 24) | + (ndev->dev_addr[3] << 16) | (ndev->dev_addr[4] << 8) | + ndev->dev_addr[5]); + + /* VLAN Tag Protocol ID */ + out_be32(&p->vtpid, 0x8100); + + /* Receive mode register */ + r = emac_iff2rmr(ndev); + if (r & EMAC_RMR_MAE) + emac_hash_mc(dev); + out_be32(&p->rmr, r); + + /* FIFOs thresholds */ + r = EMAC_TMR1((EMAC_MAL_BURST_SIZE / EMAC_FIFO_ENTRY_SIZE) + 1, + EMAC_TX_FIFO_SIZE / 2 / EMAC_FIFO_ENTRY_SIZE); + out_be32(&p->tmr1, r); + out_be32(&p->trtr, EMAC_TRTR(EMAC_TX_FIFO_SIZE / 2)); + + /* PAUSE frame is sent when RX FIFO reaches its high-water mark, + there should be still enough space in FIFO to allow the our link + partner time to process this frame and also time to send PAUSE + frame itself. + + Here is the worst case scenario for the RX FIFO "headroom" + (from "The Switch Book") (100Mbps, without preamble, inter-frame gap): + + 1) One maximum-length frame on TX 1522 bytes + 2) One PAUSE frame time 64 bytes + 3) PAUSE frame decode time allowance 64 bytes + 4) One maximum-length frame on RX 1522 bytes + 5) Round-trip propagation delay of the link (100Mb) 15 bytes + ---------- + 3187 bytes + + I chose to set high-water mark to RX_FIFO_SIZE / 4 (1024 bytes) + low-water mark to RX_FIFO_SIZE / 8 (512 bytes) + */ + r = EMAC_RWMR(EMAC_RX_FIFO_SIZE(gige) / 8 / EMAC_FIFO_ENTRY_SIZE, + EMAC_RX_FIFO_SIZE(gige) / 4 / EMAC_FIFO_ENTRY_SIZE); + out_be32(&p->rwmr, r); + + /* Set PAUSE timer to the maximum */ + out_be32(&p->ptr, 0xffff); + + /* IRQ sources */ + out_be32(&p->iser, EMAC_ISR_TXPE | EMAC_ISR_RXPE | /* EMAC_ISR_TXUE | + EMAC_ISR_RXOE | */ EMAC_ISR_OVR | EMAC_ISR_BP | EMAC_ISR_SE | + EMAC_ISR_ALE | EMAC_ISR_BFCS | EMAC_ISR_PTLE | EMAC_ISR_ORE | + EMAC_ISR_IRE | EMAC_ISR_TE); + + /* We need to take GPCS PHY out of isolate mode after EMAC reset */ + if (emac_phy_gpcs(dev->phy.mode)) + mii_reset_phy(&dev->phy); + + return 0; +} - /* Clear the speed bits and make a read request to the PHY */ - stacr = ((EMAC_STACR_READ | (reg & 0x1f)) & ~EMAC_STACR_CLK_100MHZ); - stacr |= ((mii_id & 0x1F) << 5); +/* BHs disabled */ +static void emac_reinitialize(struct ocp_enet_private *dev) +{ + DBG("%d: reinitialize" NL, dev->def->index); - out_be32(&emacp->em0stacr, stacr); + if (!emac_configure(dev)) { + emac_tx_enable(dev); + emac_rx_enable(dev); + } +} - count = 0; - while ((((stacr = in_be32(&emacp->em0stacr)) & EMAC_STACR_OC) == 0) - && (count++ < MDIO_DELAY)) - udelay(1); - MDIO_DEBUG((" (count was %d)\n", count)); +/* BHs disabled */ +static void emac_full_tx_reset(struct net_device *ndev) +{ + struct ocp_enet_private *dev = ndev->priv; + struct ocp_func_emac_data *emacdata = dev->def->additions; - if ((stacr & EMAC_STACR_OC) == 0) { - printk(KERN_WARNING "%s: PHY read timeout #2!\n", dev->name); - return -1; - } + DBG("%d: full_tx_reset" NL, dev->def->index); - /* Check for a read error */ - if (stacr & EMAC_STACR_PHYE) { - MDIO_DEBUG(("EMAC MDIO PHY error !\n")); - return -1; - } + emac_tx_disable(dev); + mal_disable_tx_channel(dev->mal, emacdata->mal_tx_chan); + emac_clean_tx_ring(dev); + dev->tx_cnt = dev->tx_slot = dev->ack_slot = 0; - MDIO_DEBUG((" -> 0x%x\n", stacr >> 16)); + emac_configure(dev); - return (stacr >> 16); + mal_enable_tx_channel(dev->mal, emacdata->mal_tx_chan); + emac_tx_enable(dev); + emac_rx_enable(dev); + + netif_wake_queue(ndev); } -void emac_phy_write(struct net_device *dev, int mii_id, int reg, int data) +static int __emac_mdio_read(struct ocp_enet_private *dev, u8 id, u8 reg) { - int count; - uint32_t stacr; - struct ocp_enet_private *fep = dev->priv; - emac_t *emacp = fep->emacp; + struct emac_regs *p = dev->emacp; + u32 r; + int n; - MDIO_DEBUG(("%s phy_write, id: 0x%x, reg: 0x%x, data: 0x%x\n", - dev->name, mii_id, reg, data)); + DBG2("%d: mdio_read(%02x,%02x)" NL, dev->def->index, id, reg); - /* Enable proper ZMII port */ - if (fep->zmii_dev) - emac_enable_zmii_port(fep->zmii_dev, fep->zmii_input); + /* Enable proper MDIO port */ + zmii_enable_mdio(dev->zmii_dev, dev->zmii_input); - /* Use the EMAC that has the MDIO port */ - if (fep->mdio_dev) { - dev = fep->mdio_dev; - fep = dev->priv; - emacp = fep->emacp; + /* Wait for management interface to become idle */ + n = 10; + while (!(in_be32(&p->stacr) & EMAC_STACR_OC)) { + udelay(1); + if (!--n) + goto to; } - count = 0; - while ((((stacr = in_be32(&emacp->em0stacr)) & EMAC_STACR_OC) == 0) - && (count++ < MDIO_DELAY)) + /* Issue read command */ + out_be32(&p->stacr, + EMAC_STACR_BASE(emac_opb_mhz()) | EMAC_STACR_STAC_READ | + (reg & EMAC_STACR_PRA_MASK) + | ((id & EMAC_STACR_PCDA_MASK) << EMAC_STACR_PCDA_SHIFT)); + + /* Wait for read to complete */ + n = 100; + while (!((r = in_be32(&p->stacr)) & EMAC_STACR_OC)) { udelay(1); - MDIO_DEBUG((" (count was %d)\n", count)); + if (!--n) + goto to; + } - if ((stacr & EMAC_STACR_OC) == 0) { - printk(KERN_WARNING "%s: PHY write timeout #2!\n", dev->name); - return; + if (unlikely(r & EMAC_STACR_PHYE)) { + DBG("%d: mdio_read(%02x, %02x) failed" NL, dev->def->index, + id, reg); + return -EREMOTEIO; } - /* Clear the speed bits and make a read request to the PHY */ + r = ((r >> EMAC_STACR_PHYD_SHIFT) & EMAC_STACR_PHYD_MASK); + DBG2("%d: mdio_read -> %04x" NL, dev->def->index, r); + return r; + to: + DBG("%d: MII management interface timeout (read)" NL, dev->def->index); + return -ETIMEDOUT; +} - stacr = ((EMAC_STACR_WRITE | (reg & 0x1f)) & ~EMAC_STACR_CLK_100MHZ); - stacr |= ((mii_id & 0x1f) << 5) | ((data & 0xffff) << 16); +static void __emac_mdio_write(struct ocp_enet_private *dev, u8 id, u8 reg, + u16 val) +{ + struct emac_regs *p = dev->emacp; + int n; - out_be32(&emacp->em0stacr, stacr); + DBG2("%d: mdio_write(%02x,%02x,%04x)" NL, dev->def->index, id, reg, + val); - count = 0; - while ((((stacr = in_be32(&emacp->em0stacr)) & EMAC_STACR_OC) == 0) - && (count++ < MDIO_DELAY)) + /* Enable proper MDIO port */ + zmii_enable_mdio(dev->zmii_dev, dev->zmii_input); + + /* Wait for management interface to be idle */ + n = 10; + while (!(in_be32(&p->stacr) & EMAC_STACR_OC)) { udelay(1); - MDIO_DEBUG((" (count was %d)\n", count)); + if (!--n) + goto to; + } - if ((stacr & EMAC_STACR_OC) == 0) - printk(KERN_WARNING "%s: PHY write timeout #2!\n", dev->name); + /* Issue write command */ + out_be32(&p->stacr, + EMAC_STACR_BASE(emac_opb_mhz()) | EMAC_STACR_STAC_WRITE | + (reg & EMAC_STACR_PRA_MASK) | + ((id & EMAC_STACR_PCDA_MASK) << EMAC_STACR_PCDA_SHIFT) | + (val << EMAC_STACR_PHYD_SHIFT)); - /* Check for a write error */ - if ((stacr & EMAC_STACR_PHYE) != 0) { - MDIO_DEBUG(("EMAC MDIO PHY error !\n")); + /* Wait for write to complete */ + n = 100; + while (!(in_be32(&p->stacr) & EMAC_STACR_OC)) { + udelay(1); + if (!--n) + goto to; } + return; + to: + DBG("%d: MII management interface timeout (write)" NL, dev->def->index); } -static void emac_txeob_dev(void *param, u32 chanmask) +static int emac_mdio_read(struct net_device *ndev, int id, int reg) { - struct net_device *dev = param; - struct ocp_enet_private *fep = dev->priv; - unsigned long flags; - - spin_lock_irqsave(&fep->lock, flags); - - PKT_DEBUG(("emac_txeob_dev() entry, tx_cnt: %d\n", fep->tx_cnt)); - - while (fep->tx_cnt && - !(fep->tx_desc[fep->ack_slot].ctrl & MAL_TX_CTRL_READY)) { + struct ocp_enet_private *dev = ndev->priv; + int res; + + local_bh_disable(); + res = __emac_mdio_read(dev->mdio_dev ? dev->mdio_dev : dev, (u8) id, + (u8) reg); + local_bh_enable(); + return res; +} - if (fep->tx_desc[fep->ack_slot].ctrl & MAL_TX_CTRL_LAST) { - /* Tell the system the transmit completed. */ - dma_unmap_single(&fep->ocpdev->dev, - fep->tx_desc[fep->ack_slot].data_ptr, - fep->tx_desc[fep->ack_slot].data_len, - DMA_TO_DEVICE); - dev_kfree_skb_irq(fep->tx_skb[fep->ack_slot]); +static void emac_mdio_write(struct net_device *ndev, int id, int reg, int val) +{ + struct ocp_enet_private *dev = ndev->priv; - if (fep->tx_desc[fep->ack_slot].ctrl & - (EMAC_TX_ST_EC | EMAC_TX_ST_MC | EMAC_TX_ST_SC)) - fep->stats.collisions++; - } + local_bh_disable(); + __emac_mdio_write(dev->mdio_dev ? dev->mdio_dev : dev, (u8) id, + (u8) reg, (u16) val); + local_bh_enable(); +} - fep->tx_skb[fep->ack_slot] = (struct sk_buff *)NULL; - if (++fep->ack_slot == NUM_TX_BUFF) - fep->ack_slot = 0; +/* BHs disabled */ +static void emac_set_multicast_list(struct net_device *ndev) +{ + struct ocp_enet_private *dev = ndev->priv; + struct emac_regs *p = dev->emacp; + u32 rmr = emac_iff2rmr(ndev); + + DBG("%d: multicast %08x" NL, dev->def->index, rmr); + BUG_ON(!netif_running(dev->ndev)); + + /* I decided to relax register access rules here to avoid + * full EMAC reset. + * + * There is a real problem with EMAC4 core if we use MWSW_001 bit + * in MR1 register and do a full EMAC reset. + * One TX BD status update is delayed and, after EMAC reset, it + * never happens, resulting in TX hung (it'll be recovered by TX + * timeout handler eventually, but this is just gross). + * So we either have to do full TX reset or try to cheat here :) + * + * The only required change is to RX mode register, so I *think* all + * we need is just to stop RX channel. This seems to work on all + * tested SoCs. --ebs + */ + emac_rx_disable(dev); + if (rmr & EMAC_RMR_MAE) + emac_hash_mc(dev); + out_be32(&p->rmr, rmr); + emac_rx_enable(dev); +} - fep->tx_cnt--; +/* BHs disabled */ +static int emac_resize_rx_ring(struct ocp_enet_private *dev, int new_mtu) +{ + struct ocp_func_emac_data *emacdata = dev->def->additions; + int rx_sync_size = emac_rx_sync_size(new_mtu); + int rx_skb_size = emac_rx_skb_size(new_mtu); + int i, ret = 0; + + emac_rx_disable(dev); + mal_disable_rx_channel(dev->mal, emacdata->mal_rx_chan); + + if (dev->rx_sg_skb) { + ++dev->estats.rx_dropped_resize; + dev_kfree_skb(dev->rx_sg_skb); + dev->rx_sg_skb = NULL; } - if (fep->tx_cnt < NUM_TX_BUFF) - netif_wake_queue(dev); - PKT_DEBUG(("emac_txeob_dev() exit, tx_cnt: %d\n", fep->tx_cnt)); + /* Make a first pass over RX ring and mark BDs ready, dropping + * non-processed packets on the way. We need this as a separate pass + * to simplify error recovery in the case of allocation failure later. + */ + for (i = 0; i < NUM_RX_BUFF; ++i) { + if (dev->rx_desc[i].ctrl & MAL_RX_CTRL_FIRST) + ++dev->estats.rx_dropped_resize; - spin_unlock_irqrestore(&fep->lock, flags); -} + dev->rx_desc[i].data_len = 0; + dev->rx_desc[i].ctrl = MAL_RX_CTRL_EMPTY | + (i == (NUM_RX_BUFF - 1) ? MAL_RX_CTRL_WRAP : 0); + } -/* - Fill/Re-fill the rx chain with valid ctrl/ptrs. - This function will fill from rx_slot up to the parm end. - So to completely fill the chain pre-set rx_slot to 0 and - pass in an end of 0. - */ -static void emac_rx_fill(struct net_device *dev, int end) -{ - int i; - struct ocp_enet_private *fep = dev->priv; - - i = fep->rx_slot; - do { - /* We don't want the 16 bytes skb_reserve done by dev_alloc_skb, - * it breaks our cache line alignement. However, we still allocate - * +16 so that we end up allocating the exact same size as - * dev_alloc_skb() would do. - * Also, because of the skb_res, the max DMA size we give to EMAC - * is slighly wrong, causing it to potentially DMA 2 more bytes - * from a broken/oversized packet. These 16 bytes will take care - * that we don't walk on somebody else toes with that. - */ - fep->rx_skb[i] = - alloc_skb(fep->rx_buffer_size + 16, GFP_ATOMIC); - - if (fep->rx_skb[i] == NULL) { - /* Keep rx_slot here, the next time clean/fill is called - * we will try again before the MAL wraps back here - * If the MAL tries to use this descriptor with - * the EMPTY bit off it will cause the - * rxde interrupt. That is where we will - * try again to allocate an sk_buff. - */ - break; + /* Reallocate RX ring only if bigger skb buffers are required */ + if (rx_skb_size <= dev->rx_skb_size) + goto skip; + /* Second pass, allocate new skbs */ + for (i = 0; i < NUM_RX_BUFF; ++i) { + struct sk_buff *skb = alloc_skb(rx_skb_size, GFP_ATOMIC); + if (!skb) { + ret = -ENOMEM; + goto oom; } - if (skb_res) - skb_reserve(fep->rx_skb[i], skb_res); + BUG_ON(!dev->rx_skb[i]); + dev_kfree_skb(dev->rx_skb[i]); - /* We must NOT dma_map_single the cache line right after the - * buffer, so we must crop our sync size to account for the - * reserved space - */ - fep->rx_desc[i].data_ptr = - (unsigned char *)dma_map_single(&fep->ocpdev->dev, - (void *)fep->rx_skb[i]-> - data, - fep->rx_buffer_size - - skb_res, DMA_FROM_DEVICE); - - /* - * Some 4xx implementations use the previously - * reserved bits in data_len to encode the MS - * 4-bits of a 36-bit physical address (ERPN) - * This must be initialized. - */ - fep->rx_desc[i].data_len = 0; - fep->rx_desc[i].ctrl = MAL_RX_CTRL_EMPTY | MAL_RX_CTRL_INTR | - (i == (NUM_RX_BUFF - 1) ? MAL_RX_CTRL_WRAP : 0); + skb_reserve(skb, EMAC_RX_SKB_HEADROOM + 2); + dev->rx_desc[i].data_ptr = + dma_map_single(dev->ldev, skb->data - 2, rx_sync_size, + DMA_FROM_DEVICE) + 2; + dev->rx_skb[i] = skb; + } + skip: + /* Check if we need to change "Jumbo" bit in MR1 */ + if ((new_mtu > ETH_DATA_LEN) ^ (dev->ndev->mtu > ETH_DATA_LEN)) { + /* This is to prevent starting RX channel in emac_rx_enable() */ + dev->commac.rx_stopped = 1; + + dev->ndev->mtu = new_mtu; + emac_full_tx_reset(dev->ndev); + } - } while ((i = (i + 1) % NUM_RX_BUFF) != end); + mal_set_rcbs(dev->mal, emacdata->mal_rx_chan, emac_rx_size(new_mtu)); + oom: + /* Restart RX */ + dev->commac.rx_stopped = dev->rx_slot = 0; + mal_enable_rx_channel(dev->mal, emacdata->mal_rx_chan); + emac_rx_enable(dev); - fep->rx_slot = i; + return ret; } -static void -emac_rx_csum(struct net_device *dev, unsigned short ctrl, struct sk_buff *skb) +/* Process ctx, rtnl_lock semaphore */ +static int emac_change_mtu(struct net_device *ndev, int new_mtu) { - struct ocp_enet_private *fep = dev->priv; + struct ocp_enet_private *dev = ndev->priv; + int ret = 0; - /* Exit if interface has no TAH engine */ - if (!fep->tah_dev) { - skb->ip_summed = CHECKSUM_NONE; - return; - } + if (new_mtu < EMAC_MIN_MTU || new_mtu > EMAC_MAX_MTU) + return -EINVAL; - /* Check for TCP/UDP/IP csum error */ - if (ctrl & EMAC_CSUM_VER_ERROR) { - /* Let the stack verify checksum errors */ - skb->ip_summed = CHECKSUM_NONE; -/* adapter->hw_csum_err++; */ - } else { - /* Csum is good */ - skb->ip_summed = CHECKSUM_UNNECESSARY; -/* adapter->hw_csum_good++; */ - } -} + DBG("%d: change_mtu(%d)" NL, dev->def->index, new_mtu); -static int emac_rx_clean(struct net_device *dev) -{ - int i, b, bnum = 0, buf[6]; - int error, frame_length; - struct ocp_enet_private *fep = dev->priv; - unsigned short ctrl; + local_bh_disable(); + if (netif_running(ndev)) { + /* Check if we really need to reinitalize RX ring */ + if (emac_rx_skb_size(ndev->mtu) != emac_rx_skb_size(new_mtu)) + ret = emac_resize_rx_ring(dev, new_mtu); + } - i = fep->rx_slot; + if (!ret) { + ndev->mtu = new_mtu; + dev->rx_skb_size = emac_rx_skb_size(new_mtu); + dev->rx_sync_size = emac_rx_sync_size(new_mtu); + } + local_bh_enable(); - PKT_DEBUG(("emac_rx_clean() entry, rx_slot: %d\n", fep->rx_slot)); + return ret; +} - do { - if (fep->rx_skb[i] == NULL) - continue; /*we have already handled the packet but haved failed to alloc */ - /* - since rx_desc is in uncached mem we don't keep reading it directly - we pull out a local copy of ctrl and do the checks on the copy. - */ - ctrl = fep->rx_desc[i].ctrl; - if (ctrl & MAL_RX_CTRL_EMPTY) - break; /*we don't have any more ready packets */ - - if (EMAC_IS_BAD_RX_PACKET(ctrl)) { - fep->stats.rx_errors++; - fep->stats.rx_dropped++; - - if (ctrl & EMAC_RX_ST_OE) - fep->stats.rx_fifo_errors++; - if (ctrl & EMAC_RX_ST_AE) - fep->stats.rx_frame_errors++; - if (ctrl & EMAC_RX_ST_BFCS) - fep->stats.rx_crc_errors++; - if (ctrl & (EMAC_RX_ST_RP | EMAC_RX_ST_PTL | - EMAC_RX_ST_ORE | EMAC_RX_ST_IRE)) - fep->stats.rx_length_errors++; - } else { - if ((ctrl & (MAL_RX_CTRL_FIRST | MAL_RX_CTRL_LAST)) == - (MAL_RX_CTRL_FIRST | MAL_RX_CTRL_LAST)) { - /* Single descriptor packet */ - emac_rx_csum(dev, ctrl, fep->rx_skb[i]); - /* Send the skb up the chain. */ - frame_length = fep->rx_desc[i].data_len - 4; - skb_put(fep->rx_skb[i], frame_length); - fep->rx_skb[i]->dev = dev; - fep->rx_skb[i]->protocol = - eth_type_trans(fep->rx_skb[i], dev); - error = netif_rx(fep->rx_skb[i]); - - if ((error == NET_RX_DROP) || - (error == NET_RX_BAD)) { - fep->stats.rx_dropped++; - } else { - fep->stats.rx_packets++; - fep->stats.rx_bytes += frame_length; - } - fep->rx_skb[i] = NULL; - } else { - /* Multiple descriptor packet */ - if (ctrl & MAL_RX_CTRL_FIRST) { - if (fep->rx_desc[(i + 1) % NUM_RX_BUFF]. - ctrl & MAL_RX_CTRL_EMPTY) - break; - bnum = 0; - buf[bnum] = i; - ++bnum; - continue; - } - if (((ctrl & MAL_RX_CTRL_FIRST) != - MAL_RX_CTRL_FIRST) && - ((ctrl & MAL_RX_CTRL_LAST) != - MAL_RX_CTRL_LAST)) { - if (fep->rx_desc[(i + 1) % - NUM_RX_BUFF].ctrl & - MAL_RX_CTRL_EMPTY) { - i = buf[0]; - break; - } - buf[bnum] = i; - ++bnum; - continue; - } - if (ctrl & MAL_RX_CTRL_LAST) { - buf[bnum] = i; - ++bnum; - skb_put(fep->rx_skb[buf[0]], - fep->rx_desc[buf[0]].data_len); - for (b = 1; b < bnum; b++) { - /* - * MAL is braindead, we need - * to copy the remainder - * of the packet from the - * latter descriptor buffers - * to the first skb. Then - * dispose of the source - * skbs. - * - * Once the stack is fixed - * to handle frags on most - * protocols we can generate - * a fragmented skb with - * no copies. - */ - memcpy(fep->rx_skb[buf[0]]-> - data + - fep->rx_skb[buf[0]]->len, - fep->rx_skb[buf[b]]-> - data, - fep->rx_desc[buf[b]]. - data_len); - skb_put(fep->rx_skb[buf[0]], - fep->rx_desc[buf[b]]. - data_len); - dma_unmap_single(&fep->ocpdev-> - dev, - fep-> - rx_desc[buf - [b]]. - data_ptr, - fep-> - rx_desc[buf - [b]]. - data_len, - DMA_FROM_DEVICE); - dev_kfree_skb(fep-> - rx_skb[buf[b]]); - } - emac_rx_csum(dev, ctrl, - fep->rx_skb[buf[0]]); - - fep->rx_skb[buf[0]]->dev = dev; - fep->rx_skb[buf[0]]->protocol = - eth_type_trans(fep->rx_skb[buf[0]], - dev); - error = netif_rx(fep->rx_skb[buf[0]]); - - if ((error == NET_RX_DROP) - || (error == NET_RX_BAD)) { - fep->stats.rx_dropped++; - } else { - fep->stats.rx_packets++; - fep->stats.rx_bytes += - fep->rx_skb[buf[0]]->len; - } - for (b = 0; b < bnum; b++) - fep->rx_skb[buf[b]] = NULL; - } - } +static void emac_clean_tx_ring(struct ocp_enet_private *dev) +{ + int i; + for (i = 0; i < NUM_TX_BUFF; ++i) { + if (dev->tx_skb[i]) { + dev_kfree_skb(dev->tx_skb[i]); + dev->tx_skb[i] = NULL; + if (dev->tx_desc[i].ctrl & MAL_TX_CTRL_READY) + ++dev->estats.tx_dropped; } - } while ((i = (i + 1) % NUM_RX_BUFF) != fep->rx_slot); - - PKT_DEBUG(("emac_rx_clean() exit, rx_slot: %d\n", fep->rx_slot)); - - return i; + dev->tx_desc[i].ctrl = 0; + dev->tx_desc[i].data_ptr = 0; + } } -static void emac_rxeob_dev(void *param, u32 chanmask) +static void emac_clean_rx_ring(struct ocp_enet_private *dev) { - struct net_device *dev = param; - struct ocp_enet_private *fep = dev->priv; - unsigned long flags; - int n; + int i; + for (i = 0; i < NUM_RX_BUFF; ++i) + if (dev->rx_skb[i]) { + dev->rx_desc[i].ctrl = 0; + dev_kfree_skb(dev->rx_skb[i]); + dev->rx_skb[i] = NULL; + dev->rx_desc[i].data_ptr = 0; + } - spin_lock_irqsave(&fep->lock, flags); - if ((n = emac_rx_clean(dev)) != fep->rx_slot) - emac_rx_fill(dev, n); - spin_unlock_irqrestore(&fep->lock, flags); + if (dev->rx_sg_skb) { + dev_kfree_skb(dev->rx_sg_skb); + dev->rx_sg_skb = NULL; + } } -/* - * This interrupt should never occurr, we don't program - * the MAL for contiunous mode. - */ -static void emac_txde_dev(void *param, u32 chanmask) +static inline int emac_alloc_rx_skb(struct ocp_enet_private *dev, int slot, + int flags) { - struct net_device *dev = param; - struct ocp_enet_private *fep = dev->priv; + struct sk_buff *skb = alloc_skb(dev->rx_skb_size, flags); + if (unlikely(!skb)) + return -ENOMEM; - printk(KERN_WARNING "%s: transmit descriptor error\n", dev->name); + dev->rx_skb[slot] = skb; + dev->rx_desc[slot].data_len = 0; - emac_mac_dump(dev); - emac_mal_dump(dev); + skb_reserve(skb, EMAC_RX_SKB_HEADROOM + 2); + dev->rx_desc[slot].data_ptr = + dma_map_single(dev->ldev, skb->data - 2, dev->rx_sync_size, + DMA_FROM_DEVICE) + 2; + barrier(); + dev->rx_desc[slot].ctrl = MAL_RX_CTRL_EMPTY | + (slot == (NUM_RX_BUFF - 1) ? MAL_RX_CTRL_WRAP : 0); - /* Reenable the transmit channel */ - mal_enable_tx_channels(fep->mal, fep->commac.tx_chan_mask); + return 0; } -/* - * This interrupt should be very rare at best. This occurs when - * the hardware has a problem with the receive descriptors. The manual - * states that it occurs when the hardware cannot the receive descriptor - * empty bit is not set. The recovery mechanism will be to - * traverse through the descriptors, handle any that are marked to be - * handled and reinitialize each along the way. At that point the driver - * will be restarted. - */ -static void emac_rxde_dev(void *param, u32 chanmask) +static void emac_print_link_status(struct ocp_enet_private *dev) { - struct net_device *dev = param; - struct ocp_enet_private *fep = dev->priv; - unsigned long flags; - - if (net_ratelimit()) { - printk(KERN_WARNING "%s: receive descriptor error\n", - fep->ndev->name); + if (netif_carrier_ok(dev->ndev)) + printk(KERN_INFO "%s: link is up, %d %s%s\n", + dev->ndev->name, dev->phy.speed, + dev->phy.duplex == DUPLEX_FULL ? "FDX" : "HDX", + dev->phy.pause ? ", pause enabled" : + dev->phy.asym_pause ? ", assymetric pause enabled" : ""); + else + printk(KERN_INFO "%s: link is down\n", dev->ndev->name); +} - emac_mac_dump(dev); - emac_mal_dump(dev); - emac_desc_dump(dev); +/* Process ctx, rtnl_lock semaphore */ +static int emac_open(struct net_device *ndev) +{ + struct ocp_enet_private *dev = ndev->priv; + struct ocp_func_emac_data *emacdata = dev->def->additions; + int err, i; + + DBG("%d: open" NL, dev->def->index); + + /* Setup error IRQ handler */ + err = request_irq(dev->def->irq, emac_irq, 0, "EMAC", dev); + if (err) { + printk(KERN_ERR "%s: failed to request IRQ %d\n", + ndev->name, dev->def->irq); + return err; } - /* Disable RX channel */ - spin_lock_irqsave(&fep->lock, flags); - mal_disable_rx_channels(fep->mal, fep->commac.rx_chan_mask); - - /* For now, charge the error against all emacs */ - fep->stats.rx_errors++; - - /* so do we have any good packets still? */ - emac_rx_clean(dev); - - /* When the interface is restarted it resets processing to the - * first descriptor in the table. - */ - - fep->rx_slot = 0; - emac_rx_fill(dev, 0); + /* Allocate RX ring */ + for (i = 0; i < NUM_RX_BUFF; ++i) + if (emac_alloc_rx_skb(dev, i, GFP_KERNEL)) { + printk(KERN_ERR "%s: failed to allocate RX ring\n", + ndev->name); + goto oom; + } - set_mal_dcrn(fep->mal, DCRN_MALRXEOBISR, fep->commac.rx_chan_mask); - set_mal_dcrn(fep->mal, DCRN_MALRXDEIR, fep->commac.rx_chan_mask); + local_bh_disable(); + dev->tx_cnt = dev->tx_slot = dev->ack_slot = dev->rx_slot = + dev->commac.rx_stopped = 0; + dev->rx_sg_skb = NULL; + + if (dev->phy.address >= 0) { + int link_poll_interval; + if (dev->phy.def->ops->poll_link(&dev->phy)) { + dev->phy.def->ops->read_link(&dev->phy); + EMAC_RX_CLK_DEFAULT(dev->def->index); + netif_carrier_on(dev->ndev); + link_poll_interval = PHY_POLL_LINK_ON; + } else { + EMAC_RX_CLK_TX(dev->def->index); + netif_carrier_off(dev->ndev); + link_poll_interval = PHY_POLL_LINK_OFF; + } + mod_timer(&dev->link_timer, jiffies + link_poll_interval); + emac_print_link_status(dev); + } else + netif_carrier_on(dev->ndev); + + emac_configure(dev); + mal_poll_add(dev->mal, &dev->commac); + mal_enable_tx_channel(dev->mal, emacdata->mal_tx_chan); + mal_set_rcbs(dev->mal, emacdata->mal_rx_chan, emac_rx_size(ndev->mtu)); + mal_enable_rx_channel(dev->mal, emacdata->mal_rx_chan); + emac_tx_enable(dev); + emac_rx_enable(dev); + netif_start_queue(ndev); + local_bh_enable(); - /* Reenable the receive channels */ - mal_enable_rx_channels(fep->mal, fep->commac.rx_chan_mask); - spin_unlock_irqrestore(&fep->lock, flags); + return 0; + oom: + emac_clean_rx_ring(dev); + free_irq(dev->def->irq, dev); + return -ENOMEM; } -static irqreturn_t -emac_mac_irq(int irq, void *dev_instance, struct pt_regs *regs) +/* BHs disabled */ +static int emac_link_differs(struct ocp_enet_private *dev) { - struct net_device *dev = dev_instance; - struct ocp_enet_private *fep = dev->priv; - emac_t *emacp = fep->emacp; - unsigned long tmp_em0isr; + u32 r = in_be32(&dev->emacp->mr1); - /* EMAC interrupt */ - tmp_em0isr = in_be32(&emacp->em0isr); - if (tmp_em0isr & (EMAC_ISR_TE0 | EMAC_ISR_TE1)) { - /* This error is a hard transmit error - could retransmit */ - fep->stats.tx_errors++; + int duplex = r & EMAC_MR1_FDE ? DUPLEX_FULL : DUPLEX_HALF; + int speed, pause, asym_pause; - /* Reenable the transmit channel */ - mal_enable_tx_channels(fep->mal, fep->commac.tx_chan_mask); + if (r & (EMAC_MR1_MF_1000 | EMAC_MR1_MF_1000GPCS)) + speed = SPEED_1000; + else if (r & EMAC_MR1_MF_100) + speed = SPEED_100; + else + speed = SPEED_10; - } else { - fep->stats.rx_errors++; + switch (r & (EMAC_MR1_EIFC | EMAC_MR1_APP)) { + case (EMAC_MR1_EIFC | EMAC_MR1_APP): + pause = 1; + asym_pause = 0; + break; + case EMAC_MR1_APP: + pause = 0; + asym_pause = 1; + break; + default: + pause = asym_pause = 0; } - - if (tmp_em0isr & EMAC_ISR_RP) - fep->stats.rx_length_errors++; - if (tmp_em0isr & EMAC_ISR_ALE) - fep->stats.rx_frame_errors++; - if (tmp_em0isr & EMAC_ISR_BFCS) - fep->stats.rx_crc_errors++; - if (tmp_em0isr & EMAC_ISR_PTLE) - fep->stats.rx_length_errors++; - if (tmp_em0isr & EMAC_ISR_ORE) - fep->stats.rx_length_errors++; - if (tmp_em0isr & EMAC_ISR_TE0) - fep->stats.tx_aborted_errors++; - - emac_err_dump(dev, tmp_em0isr); - - out_be32(&emacp->em0isr, tmp_em0isr); - - return IRQ_HANDLED; + return speed != dev->phy.speed || duplex != dev->phy.duplex || + pause != dev->phy.pause || asym_pause != dev->phy.asym_pause; } -static int emac_start_xmit(struct sk_buff *skb, struct net_device *dev) +/* BHs disabled */ +static void emac_link_timer(unsigned long data) { - unsigned short ctrl; - unsigned long flags; - struct ocp_enet_private *fep = dev->priv; - emac_t *emacp = fep->emacp; - int len = skb->len; - unsigned int offset = 0, size, f, tx_slot_first; - unsigned int nr_frags = skb_shinfo(skb)->nr_frags; + struct ocp_enet_private *dev = (struct ocp_enet_private *)data; + int link_poll_interval; - spin_lock_irqsave(&fep->lock, flags); + DBG2("%d: link timer" NL, dev->def->index); - len -= skb->data_len; + if (dev->phy.def->ops->poll_link(&dev->phy)) { + if (!netif_carrier_ok(dev->ndev)) { + EMAC_RX_CLK_DEFAULT(dev->def->index); - if ((fep->tx_cnt + nr_frags + len / DESC_BUF_SIZE + 1) > NUM_TX_BUFF) { - PKT_DEBUG(("emac_start_xmit() stopping queue\n")); - netif_stop_queue(dev); - spin_unlock_irqrestore(&fep->lock, flags); - return -EBUSY; - } + /* Get new link parameters */ + dev->phy.def->ops->read_link(&dev->phy); - tx_slot_first = fep->tx_slot; + if (dev->tah_dev || emac_link_differs(dev)) + emac_full_tx_reset(dev->ndev); - while (len) { - size = min(len, DESC_BUF_SIZE); - - fep->tx_desc[fep->tx_slot].data_len = (short)size; - fep->tx_desc[fep->tx_slot].data_ptr = - (unsigned char *)dma_map_single(&fep->ocpdev->dev, - (void *)((unsigned int)skb-> - data + offset), - size, DMA_TO_DEVICE); - - ctrl = EMAC_TX_CTRL_DFLT; - if (fep->tx_slot != tx_slot_first) - ctrl |= MAL_TX_CTRL_READY; - if ((NUM_TX_BUFF - 1) == fep->tx_slot) - ctrl |= MAL_TX_CTRL_WRAP; - if (!nr_frags && (len == size)) { - ctrl |= MAL_TX_CTRL_LAST; - fep->tx_skb[fep->tx_slot] = skb; + netif_carrier_on(dev->ndev); + emac_print_link_status(dev); + } + link_poll_interval = PHY_POLL_LINK_ON; + } else { + if (netif_carrier_ok(dev->ndev)) { + EMAC_RX_CLK_TX(dev->def->index); +#if defined(CONFIG_IBM_EMAC_PHY_RX_CLK_FIX) + emac_reinitialize(dev); +#endif + netif_carrier_off(dev->ndev); + emac_print_link_status(dev); } - if (skb->ip_summed == CHECKSUM_HW) - ctrl |= EMAC_TX_CTRL_TAH_CSUM; - fep->tx_desc[fep->tx_slot].ctrl = ctrl; + /* Retry reset if the previous attempt failed. + * This is needed mostly for CONFIG_IBM_EMAC_PHY_RX_CLK_FIX + * case, but I left it here because it shouldn't trigger for + * sane PHYs anyway. + */ + if (unlikely(dev->reset_failed)) + emac_reinitialize(dev); - len -= size; - offset += size; + link_poll_interval = PHY_POLL_LINK_OFF; + } + mod_timer(&dev->link_timer, jiffies + link_poll_interval); +} - /* Bump tx count */ - if (++fep->tx_cnt == NUM_TX_BUFF) - netif_stop_queue(dev); +/* BHs disabled */ +static void emac_force_link_update(struct ocp_enet_private *dev) +{ + netif_carrier_off(dev->ndev); + if (timer_pending(&dev->link_timer)) + mod_timer(&dev->link_timer, jiffies + PHY_POLL_LINK_OFF); +} - /* Next descriptor */ - if (++fep->tx_slot == NUM_TX_BUFF) - fep->tx_slot = 0; - } +/* Process ctx, rtnl_lock semaphore */ +static int emac_close(struct net_device *ndev) +{ + struct ocp_enet_private *dev = ndev->priv; + struct ocp_func_emac_data *emacdata = dev->def->additions; - for (f = 0; f < nr_frags; f++) { - struct skb_frag_struct *frag; + DBG("%d: close" NL, dev->def->index); - frag = &skb_shinfo(skb)->frags[f]; - len = frag->size; - offset = 0; - - while (len) { - size = min(len, DESC_BUF_SIZE); - - dma_map_page(&fep->ocpdev->dev, - frag->page, - frag->page_offset + offset, - size, DMA_TO_DEVICE); - - ctrl = EMAC_TX_CTRL_DFLT | MAL_TX_CTRL_READY; - if ((NUM_TX_BUFF - 1) == fep->tx_slot) - ctrl |= MAL_TX_CTRL_WRAP; - if ((f == (nr_frags - 1)) && (len == size)) { - ctrl |= MAL_TX_CTRL_LAST; - fep->tx_skb[fep->tx_slot] = skb; - } + local_bh_disable(); - if (skb->ip_summed == CHECKSUM_HW) - ctrl |= EMAC_TX_CTRL_TAH_CSUM; + if (dev->phy.address >= 0) + del_timer_sync(&dev->link_timer); - fep->tx_desc[fep->tx_slot].data_len = (short)size; - fep->tx_desc[fep->tx_slot].data_ptr = - (char *)((page_to_pfn(frag->page) << PAGE_SHIFT) + - frag->page_offset + offset); - fep->tx_desc[fep->tx_slot].ctrl = ctrl; + netif_stop_queue(ndev); + emac_rx_disable(dev); + emac_tx_disable(dev); + mal_disable_rx_channel(dev->mal, emacdata->mal_rx_chan); + mal_disable_tx_channel(dev->mal, emacdata->mal_tx_chan); + mal_poll_del(dev->mal, &dev->commac); + local_bh_enable(); - len -= size; - offset += size; + emac_clean_tx_ring(dev); + emac_clean_rx_ring(dev); + free_irq(dev->def->irq, dev); - /* Bump tx count */ - if (++fep->tx_cnt == NUM_TX_BUFF) - netif_stop_queue(dev); + return 0; +} - /* Next descriptor */ - if (++fep->tx_slot == NUM_TX_BUFF) - fep->tx_slot = 0; - } +static inline u16 emac_tx_csum(struct ocp_enet_private *dev, + struct sk_buff *skb) +{ +#if defined(CONFIG_IBM_EMAC_TAH) + if (skb->ip_summed == CHECKSUM_HW) { + ++dev->stats.tx_packets_csum; + return EMAC_TX_CTRL_TAH_CSUM; } +#endif + return 0; +} - /* - * Deferred set READY on first descriptor of packet to - * avoid TX MAL race. - */ - fep->tx_desc[tx_slot_first].ctrl |= MAL_TX_CTRL_READY; - - /* Send the packet out. */ - out_be32(&emacp->em0tmr0, EMAC_TMR0_XMIT); +static inline int emac_xmit_finish(struct ocp_enet_private *dev, int len) +{ + struct emac_regs *p = dev->emacp; + struct net_device *ndev = dev->ndev; - fep->stats.tx_packets++; - fep->stats.tx_bytes += skb->len; + /* Send the packet out */ + out_be32(&p->tmr0, EMAC_TMR0_XMIT); - PKT_DEBUG(("emac_start_xmit() exitn")); + if (unlikely(++dev->tx_cnt == NUM_TX_BUFF)) { + netif_stop_queue(ndev); + DBG2("%d: stopped TX queue" NL, dev->def->index); + } - spin_unlock_irqrestore(&fep->lock, flags); + ndev->trans_start = jiffies; + ++dev->stats.tx_packets; + dev->stats.tx_bytes += len; return 0; } -static int emac_adjust_to_link(struct ocp_enet_private *fep) +/* BHs disabled */ +static int emac_start_xmit(struct sk_buff *skb, struct net_device *ndev) { - emac_t *emacp = fep->emacp; - unsigned long mode_reg; - int full_duplex, speed; + struct ocp_enet_private *dev = ndev->priv; + unsigned int len = skb->len; + int slot; - full_duplex = 0; - speed = SPEED_10; + u16 ctrl = EMAC_TX_CTRL_GFCS | EMAC_TX_CTRL_GP | MAL_TX_CTRL_READY | + MAL_TX_CTRL_LAST | emac_tx_csum(dev, skb); - /* set mode register 1 defaults */ - mode_reg = EMAC_M1_DEFAULT; - - /* Read link mode on PHY */ - if (fep->phy_mii.def->ops->read_link(&fep->phy_mii) == 0) { - /* If an error occurred, we don't deal with it yet */ - full_duplex = (fep->phy_mii.duplex == DUPLEX_FULL); - speed = fep->phy_mii.speed; + slot = dev->tx_slot++; + if (dev->tx_slot == NUM_TX_BUFF) { + dev->tx_slot = 0; + ctrl |= MAL_TX_CTRL_WRAP; } + DBG2("%d: xmit(%u) %d" NL, dev->def->index, len, slot); - /* set speed (default is 10Mb) */ - switch (speed) { - case SPEED_1000: - mode_reg |= EMAC_M1_RFS_16K; - if (fep->rgmii_dev) { - struct ibm_ocp_rgmii *rgmii = RGMII_PRIV(fep->rgmii_dev); - - if ((rgmii->mode[fep->rgmii_input] == RTBI) - || (rgmii->mode[fep->rgmii_input] == TBI)) - mode_reg |= EMAC_M1_MF_1000GPCS; - else - mode_reg |= EMAC_M1_MF_1000MBPS; - - emac_rgmii_port_speed(fep->rgmii_dev, fep->rgmii_input, - 1000); - } - break; - case SPEED_100: - mode_reg |= EMAC_M1_MF_100MBPS | EMAC_M1_RFS_4K; - if (fep->rgmii_dev) - emac_rgmii_port_speed(fep->rgmii_dev, fep->rgmii_input, - 100); - if (fep->zmii_dev) - emac_zmii_port_speed(fep->zmii_dev, fep->zmii_input, - 100); - break; - case SPEED_10: - default: - mode_reg = (mode_reg & ~EMAC_M1_MF_100MBPS) | EMAC_M1_RFS_4K; - if (fep->rgmii_dev) - emac_rgmii_port_speed(fep->rgmii_dev, fep->rgmii_input, - 10); - if (fep->zmii_dev) - emac_zmii_port_speed(fep->zmii_dev, fep->zmii_input, - 10); - } - - if (full_duplex) - mode_reg |= EMAC_M1_FDE | EMAC_M1_EIFC | EMAC_M1_IST; - else - mode_reg &= ~(EMAC_M1_FDE | EMAC_M1_EIFC | EMAC_M1_ILE); + dev->tx_skb[slot] = skb; + dev->tx_desc[slot].data_ptr = dma_map_single(dev->ldev, skb->data, len, + DMA_TO_DEVICE); + dev->tx_desc[slot].data_len = (u16) len; + barrier(); + dev->tx_desc[slot].ctrl = ctrl; - LINK_DEBUG(("%s: adjust to link, speed: %d, duplex: %d, opened: %d\n", - fep->ndev->name, speed, full_duplex, fep->opened)); - - printk(KERN_INFO "%s: Speed: %d, %s duplex.\n", - fep->ndev->name, speed, full_duplex ? "Full" : "Half"); - if (fep->opened) - out_be32(&emacp->em0mr1, mode_reg); - - return 0; + return emac_xmit_finish(dev, len); } -static int emac_set_mac_address(struct net_device *ndev, void *p) +#if defined(CONFIG_IBM_EMAC_TAH) +static inline int emac_xmit_split(struct ocp_enet_private *dev, int slot, + u32 pd, int len, int last, u16 base_ctrl) { - struct ocp_enet_private *fep = ndev->priv; - emac_t *emacp = fep->emacp; - struct sockaddr *addr = p; + while (1) { + u16 ctrl = base_ctrl; + int chunk = min(len, MAL_MAX_TX_SIZE); + len -= chunk; - if (!is_valid_ether_addr(addr->sa_data)) - return -EADDRNOTAVAIL; + slot = (slot + 1) % NUM_TX_BUFF; - memcpy(ndev->dev_addr, addr->sa_data, ndev->addr_len); + if (last && !len) + ctrl |= MAL_TX_CTRL_LAST; + if (slot == NUM_TX_BUFF - 1) + ctrl |= MAL_TX_CTRL_WRAP; - /* set the high address */ - out_be32(&emacp->em0iahr, - (fep->ndev->dev_addr[0] << 8) | fep->ndev->dev_addr[1]); + dev->tx_skb[slot] = NULL; + dev->tx_desc[slot].data_ptr = pd; + dev->tx_desc[slot].data_len = (u16) chunk; + dev->tx_desc[slot].ctrl = ctrl; + ++dev->tx_cnt; - /* set the low address */ - out_be32(&emacp->em0ialr, - (fep->ndev->dev_addr[2] << 24) | (fep->ndev->dev_addr[3] << 16) - | (fep->ndev->dev_addr[4] << 8) | fep->ndev->dev_addr[5]); + if (!len) + break; - return 0; + pd += chunk; + } + return slot; } -static int emac_change_mtu(struct net_device *dev, int new_mtu) +/* BHs disabled (SG version for TAH equipped EMACs) */ +static int emac_start_xmit_sg(struct sk_buff *skb, struct net_device *ndev) { - struct ocp_enet_private *fep = dev->priv; - int old_mtu = dev->mtu; - unsigned long mode_reg; - emac_t *emacp = fep->emacp; - u32 em0mr0; - int i, full; - unsigned long flags; + struct ocp_enet_private *dev = ndev->priv; + int nr_frags = skb_shinfo(skb)->nr_frags; + int len = skb->len, chunk; + int slot, i; + u16 ctrl; + u32 pd; - if ((new_mtu < EMAC_MIN_MTU) || (new_mtu > EMAC_MAX_MTU)) { - printk(KERN_ERR - "emac: Invalid MTU setting, MTU must be between %d and %d\n", - EMAC_MIN_MTU, EMAC_MAX_MTU); - return -EINVAL; - } + /* This is common "fast" path */ + if (likely(!nr_frags && len <= MAL_MAX_TX_SIZE)) + return emac_start_xmit(skb, ndev); - if (old_mtu != new_mtu && netif_running(dev)) { - /* Stop rx engine */ - em0mr0 = in_be32(&emacp->em0mr0); - out_be32(&emacp->em0mr0, em0mr0 & ~EMAC_M0_RXE); - - /* Wait for descriptors to be empty */ - do { - full = 0; - for (i = 0; i < NUM_RX_BUFF; i++) - if (!(fep->rx_desc[i].ctrl & MAL_RX_CTRL_EMPTY)) { - printk(KERN_NOTICE - "emac: RX ring is still full\n"); - full = 1; - } - } while (full); - - spin_lock_irqsave(&fep->lock, flags); - - mal_disable_rx_channels(fep->mal, fep->commac.rx_chan_mask); - - /* Destroy all old rx skbs */ - for (i = 0; i < NUM_RX_BUFF; i++) { - dma_unmap_single(&fep->ocpdev->dev, - fep->rx_desc[i].data_ptr, - fep->rx_desc[i].data_len, - DMA_FROM_DEVICE); - dev_kfree_skb(fep->rx_skb[i]); - fep->rx_skb[i] = NULL; - } + len -= skb->data_len; - /* Set new rx_buffer_size, jumbo cap, and advertise new mtu */ - mode_reg = in_be32(&emacp->em0mr1); - if (new_mtu > ENET_DEF_MTU_SIZE) { - mode_reg |= EMAC_M1_JUMBO_ENABLE; - fep->rx_buffer_size = EMAC_MAX_FRAME; - } else { - mode_reg &= ~EMAC_M1_JUMBO_ENABLE; - fep->rx_buffer_size = ENET_DEF_BUF_SIZE; - } - dev->mtu = new_mtu; - out_be32(&emacp->em0mr1, mode_reg); + /* Note, this is only an *estimation*, we can still run out of empty + * slots because of the additional fragmentation into + * MAL_MAX_TX_SIZE-sized chunks + */ + if (unlikely(dev->tx_cnt + nr_frags + mal_tx_chunks(len) > NUM_TX_BUFF)) + goto stop_queue; + + ctrl = EMAC_TX_CTRL_GFCS | EMAC_TX_CTRL_GP | MAL_TX_CTRL_READY | + emac_tx_csum(dev, skb); + slot = dev->tx_slot; + + /* skb data */ + dev->tx_skb[slot] = NULL; + chunk = min(len, MAL_MAX_TX_SIZE); + dev->tx_desc[slot].data_ptr = pd = + dma_map_single(dev->ldev, skb->data, len, DMA_TO_DEVICE); + dev->tx_desc[slot].data_len = (u16) chunk; + len -= chunk; + if (unlikely(len)) + slot = emac_xmit_split(dev, slot, pd + chunk, len, !nr_frags, + ctrl); + /* skb fragments */ + for (i = 0; i < nr_frags; ++i) { + struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i]; + len = frag->size; - /* Re-init rx skbs */ - fep->rx_slot = 0; - emac_rx_fill(dev, 0); + if (unlikely(dev->tx_cnt + mal_tx_chunks(len) >= NUM_TX_BUFF)) + goto undo_frame; - /* Restart the rx engine */ - mal_enable_rx_channels(fep->mal, fep->commac.rx_chan_mask); - out_be32(&emacp->em0mr0, em0mr0 | EMAC_M0_RXE); + pd = dma_map_page(dev->ldev, frag->page, frag->page_offset, len, + DMA_TO_DEVICE); - spin_unlock_irqrestore(&fep->lock, flags); + slot = emac_xmit_split(dev, slot, pd, len, i == nr_frags - 1, + ctrl); } - return 0; -} + DBG2("%d: xmit_sg(%u) %d - %d" NL, dev->def->index, skb->len, + dev->tx_slot, slot); -static void __emac_set_multicast_list(struct net_device *dev) -{ - struct ocp_enet_private *fep = dev->priv; - emac_t *emacp = fep->emacp; - u32 rmr = in_be32(&emacp->em0rmr); + /* Attach skb to the last slot so we don't release it too early */ + dev->tx_skb[slot] = skb; - /* First clear all special bits, they can be set later */ - rmr &= ~(EMAC_RMR_PME | EMAC_RMR_PMME | EMAC_RMR_MAE); + /* Send the packet out */ + if (dev->tx_slot == NUM_TX_BUFF - 1) + ctrl |= MAL_TX_CTRL_WRAP; + barrier(); + dev->tx_desc[dev->tx_slot].ctrl = ctrl; + dev->tx_slot = (slot + 1) % NUM_TX_BUFF; - if (dev->flags & IFF_PROMISC) { - rmr |= EMAC_RMR_PME; - } else if (dev->flags & IFF_ALLMULTI || 32 < dev->mc_count) { - /* - * Must be setting up to use multicast - * Now check for promiscuous multicast - */ - rmr |= EMAC_RMR_PMME; - } else if (dev->flags & IFF_MULTICAST && 0 < dev->mc_count) { - unsigned short em0gaht[4] = { 0, 0, 0, 0 }; - struct dev_mc_list *dmi; - - /* Need to hash on the multicast address. */ - for (dmi = dev->mc_list; dmi; dmi = dmi->next) { - unsigned long mc_crc; - unsigned int bit_number; - - mc_crc = ether_crc(6, (char *)dmi->dmi_addr); - bit_number = 63 - (mc_crc >> 26); /* MSB: 0 LSB: 63 */ - em0gaht[bit_number >> 4] |= - 0x8000 >> (bit_number & 0x0f); - } - emacp->em0gaht1 = em0gaht[0]; - emacp->em0gaht2 = em0gaht[1]; - emacp->em0gaht3 = em0gaht[2]; - emacp->em0gaht4 = em0gaht[3]; + return emac_xmit_finish(dev, skb->len); - /* Turn on multicast addressing */ - rmr |= EMAC_RMR_MAE; + undo_frame: + /* Well, too bad. Our previous estimation was overly optimistic. + * Undo everything. + */ + while (slot != dev->tx_slot) { + dev->tx_desc[slot].ctrl = 0; + --dev->tx_cnt; + if (--slot < 0) + slot = NUM_TX_BUFF - 1; } - out_be32(&emacp->em0rmr, rmr); + ++dev->estats.tx_undo; + + stop_queue: + netif_stop_queue(ndev); + DBG2("%d: stopped TX queue" NL, dev->def->index); + return 1; } +#else +# define emac_start_xmit_sg emac_start_xmit +#endif /* !defined(CONFIG_IBM_EMAC_TAH) */ -static int emac_init_tah(struct ocp_enet_private *fep) +/* BHs disabled */ +static void emac_parse_tx_error(struct ocp_enet_private *dev, u16 ctrl) { - tah_t *tahp; + struct ibm_emac_error_stats *st = &dev->estats; + DBG("%d: BD TX error %04x" NL, dev->def->index, ctrl); + + ++st->tx_bd_errors; + if (ctrl & EMAC_TX_ST_BFCS) + ++st->tx_bd_bad_fcs; + if (ctrl & EMAC_TX_ST_LCS) + ++st->tx_bd_carrier_loss; + if (ctrl & EMAC_TX_ST_ED) + ++st->tx_bd_excessive_deferral; + if (ctrl & EMAC_TX_ST_EC) + ++st->tx_bd_excessive_collisions; + if (ctrl & EMAC_TX_ST_LC) + ++st->tx_bd_late_collision; + if (ctrl & EMAC_TX_ST_MC) + ++st->tx_bd_multple_collisions; + if (ctrl & EMAC_TX_ST_SC) + ++st->tx_bd_single_collision; + if (ctrl & EMAC_TX_ST_UR) + ++st->tx_bd_underrun; + if (ctrl & EMAC_TX_ST_SQE) + ++st->tx_bd_sqe; +} - /* Initialize TAH and enable checksum verification */ - tahp = (tah_t *) ioremap(fep->tah_dev->def->paddr, sizeof(*tahp)); +static void emac_poll_tx(void *param) +{ + struct ocp_enet_private *dev = param; + DBG2("%d: poll_tx, %d %d" NL, dev->def->index, dev->tx_cnt, + dev->ack_slot); + + if (dev->tx_cnt) { + u16 ctrl; + int slot = dev->ack_slot, n = 0; + again: + ctrl = dev->tx_desc[slot].ctrl; + if (!(ctrl & MAL_TX_CTRL_READY)) { + struct sk_buff *skb = dev->tx_skb[slot]; + ++n; + + if (skb) { + dev_kfree_skb(skb); + dev->tx_skb[slot] = NULL; + } + slot = (slot + 1) % NUM_TX_BUFF; - if (tahp == NULL) { - printk(KERN_ERR "tah%d: Cannot ioremap TAH registers!\n", - fep->tah_dev->def->index); + if (unlikely(EMAC_IS_BAD_TX(ctrl))) + emac_parse_tx_error(dev, ctrl); - return -ENOMEM; - } - - out_be32(&tahp->tah_mr, TAH_MR_SR); + if (--dev->tx_cnt) + goto again; + } + if (n) { + dev->ack_slot = slot; + if (netif_queue_stopped(dev->ndev) && + dev->tx_cnt < EMAC_TX_WAKEUP_THRESH) + netif_wake_queue(dev->ndev); - /* wait for reset to complete */ - while (in_be32(&tahp->tah_mr) & TAH_MR_SR) ; + DBG2("%d: tx %d pkts" NL, dev->def->index, n); + } + } +} - /* 10KB TAH TX FIFO accomodates the max MTU of 9000 */ - out_be32(&tahp->tah_mr, - TAH_MR_CVR | TAH_MR_ST_768 | TAH_MR_TFS_10KB | TAH_MR_DTFP | - TAH_MR_DIG); +static inline void emac_recycle_rx_skb(struct ocp_enet_private *dev, int slot, + int len) +{ + struct sk_buff *skb = dev->rx_skb[slot]; + DBG2("%d: recycle %d %d" NL, dev->def->index, slot, len); - iounmap(tahp); + if (len) + dma_map_single(dev->ldev, skb->data - 2, + EMAC_DMA_ALIGN(len + 2), DMA_FROM_DEVICE); - return 0; + dev->rx_desc[slot].data_len = 0; + barrier(); + dev->rx_desc[slot].ctrl = MAL_RX_CTRL_EMPTY | + (slot == (NUM_RX_BUFF - 1) ? MAL_RX_CTRL_WRAP : 0); } -static void emac_init_rings(struct net_device *dev) +static void emac_parse_rx_error(struct ocp_enet_private *dev, u16 ctrl) { - struct ocp_enet_private *ep = dev->priv; - int loop; + struct ibm_emac_error_stats *st = &dev->estats; + DBG("%d: BD RX error %04x" NL, dev->def->index, ctrl); + + ++st->rx_bd_errors; + if (ctrl & EMAC_RX_ST_OE) + ++st->rx_bd_overrun; + if (ctrl & EMAC_RX_ST_BP) + ++st->rx_bd_bad_packet; + if (ctrl & EMAC_RX_ST_RP) + ++st->rx_bd_runt_packet; + if (ctrl & EMAC_RX_ST_SE) + ++st->rx_bd_short_event; + if (ctrl & EMAC_RX_ST_AE) + ++st->rx_bd_alignment_error; + if (ctrl & EMAC_RX_ST_BFCS) + ++st->rx_bd_bad_fcs; + if (ctrl & EMAC_RX_ST_PTL) + ++st->rx_bd_packet_too_long; + if (ctrl & EMAC_RX_ST_ORE) + ++st->rx_bd_out_of_range; + if (ctrl & EMAC_RX_ST_IRE) + ++st->rx_bd_in_range; +} - ep->tx_desc = (struct mal_descriptor *)((char *)ep->mal->tx_virt_addr + - (ep->mal_tx_chan * - MAL_DT_ALIGN)); - ep->rx_desc = - (struct mal_descriptor *)((char *)ep->mal->rx_virt_addr + - (ep->mal_rx_chan * MAL_DT_ALIGN)); +static inline void emac_rx_csum(struct ocp_enet_private *dev, + struct sk_buff *skb, u16 ctrl) +{ +#if defined(CONFIG_IBM_EMAC_TAH) + if (!ctrl && dev->tah_dev) { + skb->ip_summed = CHECKSUM_UNNECESSARY; + ++dev->stats.rx_packets_csum; + } +#endif +} - /* Fill in the transmit descriptor ring. */ - for (loop = 0; loop < NUM_TX_BUFF; loop++) { - if (ep->tx_skb[loop]) { - dma_unmap_single(&ep->ocpdev->dev, - ep->tx_desc[loop].data_ptr, - ep->tx_desc[loop].data_len, - DMA_TO_DEVICE); - dev_kfree_skb_irq(ep->tx_skb[loop]); +static inline int emac_rx_sg_append(struct ocp_enet_private *dev, int slot) +{ + if (likely(dev->rx_sg_skb != NULL)) { + int len = dev->rx_desc[slot].data_len; + int tot_len = dev->rx_sg_skb->len + len; + + if (unlikely(tot_len + 2 > dev->rx_skb_size)) { + ++dev->estats.rx_dropped_mtu; + dev_kfree_skb(dev->rx_sg_skb); + dev->rx_sg_skb = NULL; + } else { + cacheable_memcpy(dev->rx_sg_skb->tail, + dev->rx_skb[slot]->data, len); + skb_put(dev->rx_sg_skb, len); + emac_recycle_rx_skb(dev, slot, len); + return 0; } - ep->tx_skb[loop] = NULL; - ep->tx_desc[loop].ctrl = 0; - ep->tx_desc[loop].data_len = 0; - ep->tx_desc[loop].data_ptr = NULL; - } - ep->tx_desc[loop - 1].ctrl |= MAL_TX_CTRL_WRAP; - - /* Format the receive descriptor ring. */ - ep->rx_slot = 0; - /* Default is MTU=1500 + Ethernet overhead */ - ep->rx_buffer_size = dev->mtu + ENET_HEADER_SIZE + ENET_FCS_SIZE; - emac_rx_fill(dev, 0); - if (ep->rx_slot != 0) { - printk(KERN_ERR - "%s: Not enough mem for RxChain durning Open?\n", - dev->name); - /*We couldn't fill the ring at startup? - *We could clean up and fail to open but right now we will try to - *carry on. It may be a sign of a bad NUM_RX_BUFF value - */ } - - ep->tx_cnt = 0; - ep->tx_slot = 0; - ep->ack_slot = 0; + emac_recycle_rx_skb(dev, slot, 0); + return -1; } -static void emac_reset_configure(struct ocp_enet_private *fep) +/* BHs disabled */ +static int emac_poll_rx(void *param, int budget) { - emac_t *emacp = fep->emacp; - int i; - - mal_disable_tx_channels(fep->mal, fep->commac.tx_chan_mask); - mal_disable_rx_channels(fep->mal, fep->commac.rx_chan_mask); + struct ocp_enet_private *dev = param; + int slot = dev->rx_slot, received = 0; - /* - * Check for a link, some PHYs don't provide a clock if - * no link is present. Some EMACs will not come out of - * soft reset without a PHY clock present. - */ - if (fep->phy_mii.def->ops->poll_link(&fep->phy_mii)) { - /* Reset the EMAC */ - out_be32(&emacp->em0mr0, EMAC_M0_SRST); - udelay(20); - for (i = 0; i < 100; i++) { - if ((in_be32(&emacp->em0mr0) & EMAC_M0_SRST) == 0) - break; - udelay(10); - } - - if (i >= 100) { - printk(KERN_ERR "%s: Cannot reset EMAC\n", - fep->ndev->name); - return; - } - } + DBG2("%d: poll_rx(%d)" NL, dev->def->index, budget); - /* Switch IRQs off for now */ - out_be32(&emacp->em0iser, 0); + again: + while (budget > 0) { + int len; + struct sk_buff *skb; + u16 ctrl = dev->rx_desc[slot].ctrl; - /* Configure MAL rx channel */ - mal_set_rcbs(fep->mal, fep->mal_rx_chan, DESC_BUF_SIZE_REG); + if (ctrl & MAL_RX_CTRL_EMPTY) + break; - /* set the high address */ - out_be32(&emacp->em0iahr, - (fep->ndev->dev_addr[0] << 8) | fep->ndev->dev_addr[1]); + skb = dev->rx_skb[slot]; + barrier(); + len = dev->rx_desc[slot].data_len; - /* set the low address */ - out_be32(&emacp->em0ialr, - (fep->ndev->dev_addr[2] << 24) | (fep->ndev->dev_addr[3] << 16) - | (fep->ndev->dev_addr[4] << 8) | fep->ndev->dev_addr[5]); + if (unlikely(!MAL_IS_SINGLE_RX(ctrl))) + goto sg; - /* Adjust to link */ - if (netif_carrier_ok(fep->ndev)) - emac_adjust_to_link(fep); + ctrl &= EMAC_BAD_RX_MASK; + if (unlikely(ctrl && ctrl != EMAC_RX_TAH_BAD_CSUM)) { + emac_parse_rx_error(dev, ctrl); + ++dev->estats.rx_dropped_error; + emac_recycle_rx_skb(dev, slot, 0); + len = 0; + goto next; + } - /* enable broadcast/individual address and RX FIFO defaults */ - out_be32(&emacp->em0rmr, EMAC_RMR_DEFAULT); + if (len && len < EMAC_RX_COPY_THRESH) { + struct sk_buff *copy_skb = + alloc_skb(len + EMAC_RX_SKB_HEADROOM + 2, GFP_ATOMIC); + if (unlikely(!copy_skb)) + goto oom; + + skb_reserve(copy_skb, EMAC_RX_SKB_HEADROOM + 2); + cacheable_memcpy(copy_skb->data - 2, skb->data - 2, + len + 2); + emac_recycle_rx_skb(dev, slot, len); + skb = copy_skb; + } else if (unlikely(emac_alloc_rx_skb(dev, slot, GFP_ATOMIC))) + goto oom; + + skb_put(skb, len); + push_packet: + skb->dev = dev->ndev; + skb->protocol = eth_type_trans(skb, dev->ndev); + emac_rx_csum(dev, skb, ctrl); + + if (unlikely(netif_receive_skb(skb) == NET_RX_DROP)) + ++dev->estats.rx_dropped_stack; + next: + ++dev->stats.rx_packets; + skip: + dev->stats.rx_bytes += len; + slot = (slot + 1) % NUM_RX_BUFF; + --budget; + ++received; + continue; + sg: + if (ctrl & MAL_RX_CTRL_FIRST) { + BUG_ON(dev->rx_sg_skb); + if (unlikely(emac_alloc_rx_skb(dev, slot, GFP_ATOMIC))) { + DBG("%d: rx OOM %d" NL, dev->def->index, slot); + ++dev->estats.rx_dropped_oom; + emac_recycle_rx_skb(dev, slot, 0); + } else { + dev->rx_sg_skb = skb; + skb_put(skb, len); + } + } else if (!emac_rx_sg_append(dev, slot) && + (ctrl & MAL_RX_CTRL_LAST)) { + + skb = dev->rx_sg_skb; + dev->rx_sg_skb = NULL; + + ctrl &= EMAC_BAD_RX_MASK; + if (unlikely(ctrl && ctrl != EMAC_RX_TAH_BAD_CSUM)) { + emac_parse_rx_error(dev, ctrl); + ++dev->estats.rx_dropped_error; + dev_kfree_skb(skb); + len = 0; + } else + goto push_packet; + } + goto skip; + oom: + DBG("%d: rx OOM %d" NL, dev->def->index, slot); + /* Drop the packet and recycle skb */ + ++dev->estats.rx_dropped_oom; + emac_recycle_rx_skb(dev, slot, 0); + goto next; + } - /* set transmit request threshold register */ - out_be32(&emacp->em0trtr, EMAC_TRTR_DEFAULT); + if (received) { + DBG2("%d: rx %d BDs" NL, dev->def->index, received); + dev->rx_slot = slot; + } - /* Reconfigure multicast */ - __emac_set_multicast_list(fep->ndev); + if (unlikely(budget && dev->commac.rx_stopped)) { + struct ocp_func_emac_data *emacdata = dev->def->additions; - /* Set receiver/transmitter defaults */ - out_be32(&emacp->em0rwmr, EMAC_RWMR_DEFAULT); - out_be32(&emacp->em0tmr0, EMAC_TMR0_DEFAULT); - out_be32(&emacp->em0tmr1, EMAC_TMR1_DEFAULT); + barrier(); + if (!(dev->rx_desc[slot].ctrl & MAL_RX_CTRL_EMPTY)) { + DBG2("%d: rx restart" NL, dev->def->index); + received = 0; + goto again; + } - /* set frame gap */ - out_be32(&emacp->em0ipgvr, CONFIG_IBM_EMAC_FGAP); - - /* set VLAN Tag Protocol Identifier */ - out_be32(&emacp->em0vtpid, 0x8100); + if (dev->rx_sg_skb) { + DBG2("%d: dropping partial rx packet" NL, + dev->def->index); + ++dev->estats.rx_dropped_error; + dev_kfree_skb(dev->rx_sg_skb); + dev->rx_sg_skb = NULL; + } - /* Init ring buffers */ - emac_init_rings(fep->ndev); + dev->commac.rx_stopped = 0; + mal_enable_rx_channel(dev->mal, emacdata->mal_rx_chan); + emac_rx_enable(dev); + dev->rx_slot = 0; + } + return received; } -static void emac_kick(struct ocp_enet_private *fep) +/* BHs disabled */ +static int emac_peek_rx(void *param) { - emac_t *emacp = fep->emacp; - unsigned long emac_ier; - - emac_ier = EMAC_ISR_PP | EMAC_ISR_BP | EMAC_ISR_RP | - EMAC_ISR_SE | EMAC_ISR_PTLE | EMAC_ISR_ALE | - EMAC_ISR_BFCS | EMAC_ISR_ORE | EMAC_ISR_IRE; + struct ocp_enet_private *dev = param; + return !(dev->rx_desc[dev->rx_slot].ctrl & MAL_RX_CTRL_EMPTY); +} - out_be32(&emacp->em0iser, emac_ier); +/* BHs disabled */ +static int emac_peek_rx_sg(void *param) +{ + struct ocp_enet_private *dev = param; + int slot = dev->rx_slot; + while (1) { + u16 ctrl = dev->rx_desc[slot].ctrl; + if (ctrl & MAL_RX_CTRL_EMPTY) + return 0; + else if (ctrl & MAL_RX_CTRL_LAST) + return 1; - /* enable all MAL transmit and receive channels */ - mal_enable_tx_channels(fep->mal, fep->commac.tx_chan_mask); - mal_enable_rx_channels(fep->mal, fep->commac.rx_chan_mask); + slot = (slot + 1) % NUM_RX_BUFF; - /* set transmit and receive enable */ - out_be32(&emacp->em0mr0, EMAC_M0_TXE | EMAC_M0_RXE); + /* I'm just being paranoid here :) */ + if (unlikely(slot == dev->rx_slot)) + return 0; + } } -static void -emac_start_link(struct ocp_enet_private *fep, struct ethtool_cmd *ep) +/* Hard IRQ */ +static void emac_rxde(void *param) { - u32 advertise; - int autoneg; - int forced_speed; - int forced_duplex; + struct ocp_enet_private *dev = param; + ++dev->estats.rx_stopped; + emac_rx_disable_async(dev); +} - /* Default advertise */ - advertise = ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | - ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | - ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full; - autoneg = fep->want_autoneg; - forced_speed = fep->phy_mii.speed; - forced_duplex = fep->phy_mii.duplex; +/* Hard IRQ */ +static irqreturn_t emac_irq(int irq, void *dev_instance, struct pt_regs *regs) +{ + struct ocp_enet_private *dev = dev_instance; + struct emac_regs *p = dev->emacp; + struct ibm_emac_error_stats *st = &dev->estats; + + u32 isr = in_be32(&p->isr); + out_be32(&p->isr, isr); + + DBG("%d: isr = %08x" NL, dev->def->index, isr); + + if (isr & EMAC_ISR_TXPE) + ++st->tx_parity; + if (isr & EMAC_ISR_RXPE) + ++st->rx_parity; + if (isr & EMAC_ISR_TXUE) + ++st->tx_underrun; + if (isr & EMAC_ISR_RXOE) + ++st->rx_fifo_overrun; + if (isr & EMAC_ISR_OVR) + ++st->rx_overrun; + if (isr & EMAC_ISR_BP) + ++st->rx_bad_packet; + if (isr & EMAC_ISR_RP) + ++st->rx_runt_packet; + if (isr & EMAC_ISR_SE) + ++st->rx_short_event; + if (isr & EMAC_ISR_ALE) + ++st->rx_alignment_error; + if (isr & EMAC_ISR_BFCS) + ++st->rx_bad_fcs; + if (isr & EMAC_ISR_PTLE) + ++st->rx_packet_too_long; + if (isr & EMAC_ISR_ORE) + ++st->rx_out_of_range; + if (isr & EMAC_ISR_IRE) + ++st->rx_in_range; + if (isr & EMAC_ISR_SQE) + ++st->tx_sqe; + if (isr & EMAC_ISR_TE) + ++st->tx_errors; - /* Setup link parameters */ - if (ep) { - if (ep->autoneg == AUTONEG_ENABLE) { - advertise = ep->advertising; - autoneg = 1; - } else { - autoneg = 0; - forced_speed = ep->speed; - forced_duplex = ep->duplex; - } - } + return IRQ_HANDLED; +} - /* Configure PHY & start aneg */ - fep->want_autoneg = autoneg; - if (autoneg) { - LINK_DEBUG(("%s: start link aneg, advertise: 0x%x\n", - fep->ndev->name, advertise)); - fep->phy_mii.def->ops->setup_aneg(&fep->phy_mii, advertise); - } else { - LINK_DEBUG(("%s: start link forced, speed: %d, duplex: %d\n", - fep->ndev->name, forced_speed, forced_duplex)); - fep->phy_mii.def->ops->setup_forced(&fep->phy_mii, forced_speed, - forced_duplex); - } - fep->timer_ticks = 0; - mod_timer(&fep->link_timer, jiffies + HZ); +static struct net_device_stats *emac_stats(struct net_device *ndev) +{ + struct ocp_enet_private *dev = ndev->priv; + struct ibm_emac_stats *st = &dev->stats; + struct ibm_emac_error_stats *est = &dev->estats; + struct net_device_stats *nst = &dev->nstats; + + DBG2("%d: stats" NL, dev->def->index); + + /* Compute "legacy" statistics */ + local_irq_disable(); + nst->rx_packets = (unsigned long)st->rx_packets; + nst->rx_bytes = (unsigned long)st->rx_bytes; + nst->tx_packets = (unsigned long)st->tx_packets; + nst->tx_bytes = (unsigned long)st->tx_bytes; + nst->rx_dropped = (unsigned long)(est->rx_dropped_oom + + est->rx_dropped_error + + est->rx_dropped_resize + + est->rx_dropped_mtu); + nst->tx_dropped = (unsigned long)est->tx_dropped; + + nst->rx_errors = (unsigned long)est->rx_bd_errors; + nst->rx_fifo_errors = (unsigned long)(est->rx_bd_overrun + + est->rx_fifo_overrun + + est->rx_overrun); + nst->rx_frame_errors = (unsigned long)(est->rx_bd_alignment_error + + est->rx_alignment_error); + nst->rx_crc_errors = (unsigned long)(est->rx_bd_bad_fcs + + est->rx_bad_fcs); + nst->rx_length_errors = (unsigned long)(est->rx_bd_runt_packet + + est->rx_bd_short_event + + est->rx_bd_packet_too_long + + est->rx_bd_out_of_range + + est->rx_bd_in_range + + est->rx_runt_packet + + est->rx_short_event + + est->rx_packet_too_long + + est->rx_out_of_range + + est->rx_in_range); + + nst->tx_errors = (unsigned long)(est->tx_bd_errors + est->tx_errors); + nst->tx_fifo_errors = (unsigned long)(est->tx_bd_underrun + + est->tx_underrun); + nst->tx_carrier_errors = (unsigned long)est->tx_bd_carrier_loss; + nst->collisions = (unsigned long)(est->tx_bd_excessive_deferral + + est->tx_bd_excessive_collisions + + est->tx_bd_late_collision + + est->tx_bd_multple_collisions); + local_irq_enable(); + return nst; } -static void emac_link_timer(unsigned long data) +static void emac_remove(struct ocp_device *ocpdev) { - struct ocp_enet_private *fep = (struct ocp_enet_private *)data; - int link; + struct ocp_enet_private *dev = ocp_get_drvdata(ocpdev); - if (fep->going_away) - return; + DBG("%d: remove" NL, dev->def->index); - spin_lock_irq(&fep->lock); + ocp_set_drvdata(ocpdev, 0); + unregister_netdev(dev->ndev); - link = fep->phy_mii.def->ops->poll_link(&fep->phy_mii); - LINK_DEBUG(("%s: poll_link: %d\n", fep->ndev->name, link)); + tah_fini(dev->tah_dev); + rgmii_fini(dev->rgmii_dev, dev->rgmii_input); + zmii_fini(dev->zmii_dev, dev->zmii_input); - if (link == netif_carrier_ok(fep->ndev)) { - if (!link && fep->want_autoneg && (++fep->timer_ticks) > 10) - emac_start_link(fep, NULL); - goto out; - } - printk(KERN_INFO "%s: Link is %s\n", fep->ndev->name, - link ? "Up" : "Down"); - if (link) { - netif_carrier_on(fep->ndev); - /* Chip needs a full reset on config change. That sucks, so I - * should ultimately move that to some tasklet to limit - * latency peaks caused by this code - */ - emac_reset_configure(fep); - if (fep->opened) - emac_kick(fep); - } else { - fep->timer_ticks = 0; - netif_carrier_off(fep->ndev); - } - out: - mod_timer(&fep->link_timer, jiffies + HZ); - spin_unlock_irq(&fep->lock); + emac_dbg_register(dev->def->index, 0); + + mal_unregister_commac(dev->mal, &dev->commac); + iounmap((void *)dev->emacp); + kfree(dev->ndev); } -static void emac_set_multicast_list(struct net_device *dev) -{ - struct ocp_enet_private *fep = dev->priv; +static struct mal_commac_ops emac_commac_ops = { + .poll_tx = &emac_poll_tx, + .poll_rx = &emac_poll_rx, + .peek_rx = &emac_peek_rx, + .rxde = &emac_rxde, +}; - spin_lock_irq(&fep->lock); - __emac_set_multicast_list(dev); - spin_unlock_irq(&fep->lock); -} +static struct mal_commac_ops emac_commac_sg_ops = { + .poll_tx = &emac_poll_tx, + .poll_rx = &emac_poll_rx, + .peek_rx = &emac_peek_rx_sg, + .rxde = &emac_rxde, +}; -static int emac_get_settings(struct net_device *ndev, struct ethtool_cmd *cmd) +/* Ethtool support */ +static int emac_ethtool_get_settings(struct net_device *ndev, + struct ethtool_cmd *cmd) { - struct ocp_enet_private *fep = ndev->priv; + struct ocp_enet_private *dev = ndev->priv; - cmd->supported = fep->phy_mii.def->features; + cmd->supported = dev->phy.features; cmd->port = PORT_MII; - cmd->transceiver = XCVR_EXTERNAL; - cmd->phy_address = fep->mii_phy_addr; - spin_lock_irq(&fep->lock); - cmd->autoneg = fep->want_autoneg; - cmd->speed = fep->phy_mii.speed; - cmd->duplex = fep->phy_mii.duplex; - spin_unlock_irq(&fep->lock); + cmd->phy_address = dev->phy.address; + cmd->transceiver = + dev->phy.address >= 0 ? XCVR_EXTERNAL : XCVR_INTERNAL; + + local_bh_disable(); + cmd->advertising = dev->phy.advertising; + cmd->autoneg = dev->phy.autoneg; + cmd->speed = dev->phy.speed; + cmd->duplex = dev->phy.duplex; + local_bh_enable(); + return 0; } -static int emac_set_settings(struct net_device *ndev, struct ethtool_cmd *cmd) +static int emac_ethtool_set_settings(struct net_device *ndev, + struct ethtool_cmd *cmd) { - struct ocp_enet_private *fep = ndev->priv; - unsigned long features = fep->phy_mii.def->features; + struct ocp_enet_private *dev = ndev->priv; + u32 f = dev->phy.features; - if (!capable(CAP_NET_ADMIN)) - return -EPERM; + DBG("%d: set_settings(%d, %d, %d, 0x%08x)" NL, dev->def->index, + cmd->autoneg, cmd->speed, cmd->duplex, cmd->advertising); + /* Basic sanity checks */ + if (dev->phy.address < 0) + return -EOPNOTSUPP; if (cmd->autoneg != AUTONEG_ENABLE && cmd->autoneg != AUTONEG_DISABLE) return -EINVAL; if (cmd->autoneg == AUTONEG_ENABLE && cmd->advertising == 0) return -EINVAL; if (cmd->duplex != DUPLEX_HALF && cmd->duplex != DUPLEX_FULL) return -EINVAL; - if (cmd->autoneg == AUTONEG_DISABLE) + + if (cmd->autoneg == AUTONEG_DISABLE) { switch (cmd->speed) { case SPEED_10: - if (cmd->duplex == DUPLEX_HALF && - (features & SUPPORTED_10baseT_Half) == 0) + if (cmd->duplex == DUPLEX_HALF + && !(f & SUPPORTED_10baseT_Half)) return -EINVAL; - if (cmd->duplex == DUPLEX_FULL && - (features & SUPPORTED_10baseT_Full) == 0) + if (cmd->duplex == DUPLEX_FULL + && !(f & SUPPORTED_10baseT_Full)) return -EINVAL; break; case SPEED_100: - if (cmd->duplex == DUPLEX_HALF && - (features & SUPPORTED_100baseT_Half) == 0) + if (cmd->duplex == DUPLEX_HALF + && !(f & SUPPORTED_100baseT_Half)) return -EINVAL; - if (cmd->duplex == DUPLEX_FULL && - (features & SUPPORTED_100baseT_Full) == 0) + if (cmd->duplex == DUPLEX_FULL + && !(f & SUPPORTED_100baseT_Full)) return -EINVAL; break; case SPEED_1000: - if (cmd->duplex == DUPLEX_HALF && - (features & SUPPORTED_1000baseT_Half) == 0) + if (cmd->duplex == DUPLEX_HALF + && !(f & SUPPORTED_1000baseT_Half)) return -EINVAL; - if (cmd->duplex == DUPLEX_FULL && - (features & SUPPORTED_1000baseT_Full) == 0) + if (cmd->duplex == DUPLEX_FULL + && !(f & SUPPORTED_1000baseT_Full)) return -EINVAL; break; default: return -EINVAL; - } else if ((features & SUPPORTED_Autoneg) == 0) - return -EINVAL; - spin_lock_irq(&fep->lock); - emac_start_link(fep, cmd); - spin_unlock_irq(&fep->lock); + } + + local_bh_disable(); + dev->phy.def->ops->setup_forced(&dev->phy, cmd->speed, + cmd->duplex); + + } else { + if (!(f & SUPPORTED_Autoneg)) + return -EINVAL; + + local_bh_disable(); + dev->phy.def->ops->setup_aneg(&dev->phy, + (cmd->advertising & f) | + (dev->phy.advertising & + (ADVERTISED_Pause | + ADVERTISED_Asym_Pause))); + } + emac_force_link_update(dev); + local_bh_enable(); + return 0; } -static void -emac_get_drvinfo(struct net_device *ndev, struct ethtool_drvinfo *info) +static void emac_ethtool_get_ringparam(struct net_device *ndev, + struct ethtool_ringparam *rp) { - struct ocp_enet_private *fep = ndev->priv; - - strcpy(info->driver, DRV_NAME); - strcpy(info->version, DRV_VERSION); - info->fw_version[0] = '\0'; - sprintf(info->bus_info, "IBM EMAC %d", fep->ocpdev->def->index); - info->regdump_len = 0; + rp->rx_max_pending = rp->rx_pending = NUM_RX_BUFF; + rp->tx_max_pending = rp->tx_pending = NUM_TX_BUFF; } -static int emac_nway_reset(struct net_device *ndev) +static void emac_ethtool_get_pauseparam(struct net_device *ndev, + struct ethtool_pauseparam *pp) { - struct ocp_enet_private *fep = ndev->priv; + struct ocp_enet_private *dev = ndev->priv; + + local_bh_disable(); + if ((dev->phy.features & SUPPORTED_Autoneg) && + (dev->phy.advertising & (ADVERTISED_Pause | ADVERTISED_Asym_Pause))) + pp->autoneg = 1; + + if (dev->phy.duplex == DUPLEX_FULL) { + if (dev->phy.pause) + pp->rx_pause = pp->tx_pause = 1; + else if (dev->phy.asym_pause) + pp->tx_pause = 1; + } + local_bh_enable(); +} - if (!fep->want_autoneg) - return -EINVAL; - spin_lock_irq(&fep->lock); - emac_start_link(fep, NULL); - spin_unlock_irq(&fep->lock); - return 0; +static u32 emac_ethtool_get_rx_csum(struct net_device *ndev) +{ + struct ocp_enet_private *dev = ndev->priv; + return dev->tah_dev != 0; } -static u32 emac_get_link(struct net_device *ndev) +static int emac_get_regs_len(struct ocp_enet_private *dev) { - return netif_carrier_ok(ndev); + return sizeof(struct emac_ethtool_regs_subhdr) + EMAC_ETHTOOL_REGS_SIZE; } -static struct ethtool_ops emac_ethtool_ops = { - .get_settings = emac_get_settings, - .set_settings = emac_set_settings, - .get_drvinfo = emac_get_drvinfo, - .nway_reset = emac_nway_reset, - .get_link = emac_get_link -}; +static int emac_ethtool_get_regs_len(struct net_device *ndev) +{ + struct ocp_enet_private *dev = ndev->priv; + return sizeof(struct emac_ethtool_regs_hdr) + + emac_get_regs_len(dev) + mal_get_regs_len(dev->mal) + + zmii_get_regs_len(dev->zmii_dev) + + rgmii_get_regs_len(dev->rgmii_dev) + + tah_get_regs_len(dev->tah_dev); +} -static int emac_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) +static void *emac_dump_regs(struct ocp_enet_private *dev, void *buf) { - struct ocp_enet_private *fep = dev->priv; - uint16_t *data = (uint16_t *) & rq->ifr_ifru; + struct emac_ethtool_regs_subhdr *hdr = buf; - switch (cmd) { - case SIOCGMIIPHY: - data[0] = fep->mii_phy_addr; - /* Fall through */ - case SIOCGMIIREG: - data[3] = emac_phy_read(dev, fep->mii_phy_addr, data[1]); - return 0; - case SIOCSMIIREG: - if (!capable(CAP_NET_ADMIN)) - return -EPERM; + hdr->version = EMAC_ETHTOOL_REGS_VER; + hdr->index = dev->def->index; + memcpy_fromio(hdr + 1, dev->emacp, EMAC_ETHTOOL_REGS_SIZE); + return ((void *)(hdr + 1) + EMAC_ETHTOOL_REGS_SIZE); +} - emac_phy_write(dev, fep->mii_phy_addr, data[1], data[2]); - return 0; - default: - return -EOPNOTSUPP; +static void emac_ethtool_get_regs(struct net_device *ndev, + struct ethtool_regs *regs, void *buf) +{ + struct ocp_enet_private *dev = ndev->priv; + struct emac_ethtool_regs_hdr *hdr = buf; + + hdr->components = 0; + buf = hdr + 1; + + local_irq_disable(); + buf = mal_dump_regs(dev->mal, buf); + buf = emac_dump_regs(dev, buf); + if (dev->zmii_dev) { + hdr->components |= EMAC_ETHTOOL_REGS_ZMII; + buf = zmii_dump_regs(dev->zmii_dev, buf); } + if (dev->rgmii_dev) { + hdr->components |= EMAC_ETHTOOL_REGS_RGMII; + buf = rgmii_dump_regs(dev->rgmii_dev, buf); + } + if (dev->tah_dev) { + hdr->components |= EMAC_ETHTOOL_REGS_TAH; + buf = tah_dump_regs(dev->tah_dev, buf); + } + local_irq_enable(); } -static int emac_open(struct net_device *dev) +static int emac_ethtool_nway_reset(struct net_device *ndev) { - struct ocp_enet_private *fep = dev->priv; - int rc; + struct ocp_enet_private *dev = ndev->priv; + int res = 0; - spin_lock_irq(&fep->lock); + DBG("%d: nway_reset" NL, dev->def->index); - fep->opened = 1; - netif_carrier_off(dev); + if (dev->phy.address < 0) + return -EOPNOTSUPP; - /* Reset & configure the chip */ - emac_reset_configure(fep); + local_bh_disable(); + if (!dev->phy.autoneg) { + res = -EINVAL; + goto out; + } - spin_unlock_irq(&fep->lock); + dev->phy.def->ops->setup_aneg(&dev->phy, dev->phy.advertising); + emac_force_link_update(dev); - /* Request our interrupt lines */ - rc = request_irq(dev->irq, emac_mac_irq, 0, "IBM EMAC MAC", dev); - if (rc != 0) { - printk("dev->irq %d failed\n", dev->irq); - goto bail; - } - /* Kick the chip rx & tx channels into life */ - spin_lock_irq(&fep->lock); - emac_kick(fep); - spin_unlock_irq(&fep->lock); + out: + local_bh_enable(); + return res; +} - netif_start_queue(dev); - bail: - return rc; +static int emac_ethtool_get_stats_count(struct net_device *ndev) +{ + return EMAC_ETHTOOL_STATS_COUNT; } -static int emac_close(struct net_device *dev) +static void emac_ethtool_get_strings(struct net_device *ndev, u32 stringset, + u8 * buf) { - struct ocp_enet_private *fep = dev->priv; - emac_t *emacp = fep->emacp; + if (stringset == ETH_SS_STATS) + memcpy(buf, &emac_stats_keys, sizeof(emac_stats_keys)); +} - /* XXX Stop IRQ emitting here */ - spin_lock_irq(&fep->lock); - fep->opened = 0; - mal_disable_tx_channels(fep->mal, fep->commac.tx_chan_mask); - mal_disable_rx_channels(fep->mal, fep->commac.rx_chan_mask); - netif_carrier_off(dev); - netif_stop_queue(dev); +static void emac_ethtool_get_ethtool_stats(struct net_device *ndev, + struct ethtool_stats *estats, + u64 * tmp_stats) +{ + struct ocp_enet_private *dev = ndev->priv; + local_irq_disable(); + memcpy(tmp_stats, &dev->stats, sizeof(dev->stats)); + tmp_stats += sizeof(dev->stats) / sizeof(u64); + memcpy(tmp_stats, &dev->estats, sizeof(dev->estats)); + local_irq_enable(); +} - /* - * Check for a link, some PHYs don't provide a clock if - * no link is present. Some EMACs will not come out of - * soft reset without a PHY clock present. - */ - if (fep->phy_mii.def->ops->poll_link(&fep->phy_mii)) { - out_be32(&emacp->em0mr0, EMAC_M0_SRST); - udelay(10); +static void emac_ethtool_get_drvinfo(struct net_device *ndev, + struct ethtool_drvinfo *info) +{ + struct ocp_enet_private *dev = ndev->priv; - if (emacp->em0mr0 & EMAC_M0_SRST) { - /*not sure what to do here hopefully it clears before another open */ - printk(KERN_ERR - "%s: Phy SoftReset didn't clear, no link?\n", - dev->name); - } - } + strcpy(info->driver, "ibm_emac"); + strcpy(info->version, DRV_VERSION); + info->fw_version[0] = '\0'; + sprintf(info->bus_info, "PPC 4xx EMAC %d", dev->def->index); + info->n_stats = emac_ethtool_get_stats_count(ndev); + info->regdump_len = emac_ethtool_get_regs_len(ndev); +} - /* Free the irq's */ - free_irq(dev->irq, dev); +static struct ethtool_ops emac_ethtool_ops = { + .get_settings = emac_ethtool_get_settings, + .set_settings = emac_ethtool_set_settings, + .get_drvinfo = emac_ethtool_get_drvinfo, - spin_unlock_irq(&fep->lock); + .get_regs_len = emac_ethtool_get_regs_len, + .get_regs = emac_ethtool_get_regs, - return 0; -} + .nway_reset = emac_ethtool_nway_reset, -static void emac_remove(struct ocp_device *ocpdev) -{ - struct net_device *dev = ocp_get_drvdata(ocpdev); - struct ocp_enet_private *ep = dev->priv; - - /* FIXME: locking, races, ... */ - ep->going_away = 1; - ocp_set_drvdata(ocpdev, NULL); - if (ep->rgmii_dev) - emac_close_rgmii(ep->rgmii_dev); - if (ep->zmii_dev) - emac_close_zmii(ep->zmii_dev); - - unregister_netdev(dev); - del_timer_sync(&ep->link_timer); - mal_unregister_commac(ep->mal, &ep->commac); - iounmap((void *)ep->emacp); - kfree(dev); -} - -struct mal_commac_ops emac_commac_ops = { - .txeob = &emac_txeob_dev, - .txde = &emac_txde_dev, - .rxeob = &emac_rxeob_dev, - .rxde = &emac_rxde_dev, + .get_ringparam = emac_ethtool_get_ringparam, + .get_pauseparam = emac_ethtool_get_pauseparam, + + .get_rx_csum = emac_ethtool_get_rx_csum, + + .get_strings = emac_ethtool_get_strings, + .get_stats_count = emac_ethtool_get_stats_count, + .get_ethtool_stats = emac_ethtool_get_ethtool_stats, + + .get_link = ethtool_op_get_link, + .get_tx_csum = ethtool_op_get_tx_csum, + .get_sg = ethtool_op_get_sg, }; -#ifdef CONFIG_NET_POLL_CONTROLLER -static void emac_netpoll(struct net_device *ndev) +static int emac_ioctl(struct net_device *ndev, struct ifreq *rq, int cmd) { - emac_rxeob_dev((void *)ndev, 0); - emac_txeob_dev((void *)ndev, 0); + struct ocp_enet_private *dev = ndev->priv; + uint16_t *data = (uint16_t *) & rq->ifr_ifru; + + DBG("%d: ioctl %08x" NL, dev->def->index, cmd); + + if (dev->phy.address < 0) + return -EOPNOTSUPP; + + switch (cmd) { + case SIOCGMIIPHY: + case SIOCDEVPRIVATE: + data[0] = dev->phy.address; + /* Fall through */ + case SIOCGMIIREG: + case SIOCDEVPRIVATE + 1: + data[3] = emac_mdio_read(ndev, dev->phy.address, data[1]); + return 0; + + case SIOCSMIIREG: + case SIOCDEVPRIVATE + 2: + if (!capable(CAP_NET_ADMIN)) + return -EPERM; + emac_mdio_write(ndev, dev->phy.address, data[1], data[2]); + return 0; + default: + return -EOPNOTSUPP; + } } -#endif -static int emac_init_device(struct ocp_device *ocpdev, struct ibm_ocp_mal *mal) +static int __init emac_probe(struct ocp_device *ocpdev) { - int deferred_init = 0; - int rc = 0, i; + struct ocp_func_emac_data *emacdata = ocpdev->def->additions; struct net_device *ndev; - struct ocp_enet_private *ep; - struct ocp_func_emac_data *emacdata; - int commac_reg = 0; - u32 phy_map; + struct ocp_device *maldev; + struct ocp_enet_private *dev; + int err, i; + + DBG("%d: probe" NL, ocpdev->def->index); - emacdata = (struct ocp_func_emac_data *)ocpdev->def->additions; if (!emacdata) { printk(KERN_ERR "emac%d: Missing additional data!\n", ocpdev->def->index); @@ -1738,304 +1936,312 @@ static int emac_init_device(struct ocp_device *ocpdev, struct ibm_ocp_mal *mal) /* Allocate our net_device structure */ ndev = alloc_etherdev(sizeof(struct ocp_enet_private)); - if (ndev == NULL) { - printk(KERN_ERR - "emac%d: Could not allocate ethernet device.\n", + if (!ndev) { + printk(KERN_ERR "emac%d: could not allocate ethernet device!\n", ocpdev->def->index); return -ENOMEM; } - ep = ndev->priv; - ep->ndev = ndev; - ep->ocpdev = ocpdev; - ndev->irq = ocpdev->def->irq; - ep->wol_irq = emacdata->wol_irq; - if (emacdata->mdio_idx >= 0) { - if (emacdata->mdio_idx == ocpdev->def->index) { - /* Set the common MDIO net_device */ - mdio_ndev = ndev; - deferred_init = 1; - } - ep->mdio_dev = mdio_ndev; - } else { - ep->mdio_dev = ndev; - } + dev = ndev->priv; + dev->ndev = ndev; + dev->ldev = &ocpdev->dev; + dev->def = ocpdev->def; + SET_MODULE_OWNER(ndev); - ocp_set_drvdata(ocpdev, ndev); - - spin_lock_init(&ep->lock); - - /* Fill out MAL informations and register commac */ - ep->mal = mal; - ep->mal_tx_chan = emacdata->mal_tx_chan; - ep->mal_rx_chan = emacdata->mal_rx_chan; - ep->commac.ops = &emac_commac_ops; - ep->commac.dev = ndev; - ep->commac.tx_chan_mask = MAL_CHAN_MASK(ep->mal_tx_chan); - ep->commac.rx_chan_mask = MAL_CHAN_MASK(ep->mal_rx_chan); - rc = mal_register_commac(ep->mal, &ep->commac); - if (rc != 0) - goto bail; - commac_reg = 1; - - /* Map our MMIOs */ - ep->emacp = (emac_t *) ioremap(ocpdev->def->paddr, sizeof(emac_t)); - - /* Check if we need to attach to a ZMII */ - if (emacdata->zmii_idx >= 0) { - ep->zmii_input = emacdata->zmii_mux; - ep->zmii_dev = - ocp_find_device(OCP_ANY_ID, OCP_FUNC_ZMII, - emacdata->zmii_idx); - if (ep->zmii_dev == NULL) - printk(KERN_WARNING - "emac%d: ZMII %d requested but not found !\n", - ocpdev->def->index, emacdata->zmii_idx); - else if ((rc = - emac_init_zmii(ep->zmii_dev, ep->zmii_input, - emacdata->phy_mode)) != 0) - goto bail; + /* Find MAL device we are connected to */ + maldev = + ocp_find_device(OCP_VENDOR_IBM, OCP_FUNC_MAL, emacdata->mal_idx); + if (!maldev) { + printk(KERN_ERR "emac%d: unknown mal%d device!\n", + dev->def->index, emacdata->mal_idx); + err = -ENODEV; + goto out; + } + dev->mal = ocp_get_drvdata(maldev); + if (!dev->mal) { + printk(KERN_ERR "emac%d: mal%d hasn't been initialized yet!\n", + dev->def->index, emacdata->mal_idx); + err = -ENODEV; + goto out; } - /* Check if we need to attach to a RGMII */ - if (emacdata->rgmii_idx >= 0) { - ep->rgmii_input = emacdata->rgmii_mux; - ep->rgmii_dev = - ocp_find_device(OCP_ANY_ID, OCP_FUNC_RGMII, - emacdata->rgmii_idx); - if (ep->rgmii_dev == NULL) - printk(KERN_WARNING - "emac%d: RGMII %d requested but not found !\n", - ocpdev->def->index, emacdata->rgmii_idx); - else if ((rc = - emac_init_rgmii(ep->rgmii_dev, ep->rgmii_input, - emacdata->phy_mode)) != 0) - goto bail; + /* Register with MAL */ + dev->commac.ops = &emac_commac_ops; + dev->commac.dev = dev; + dev->commac.tx_chan_mask = MAL_CHAN_MASK(emacdata->mal_tx_chan); + dev->commac.rx_chan_mask = MAL_CHAN_MASK(emacdata->mal_rx_chan); + err = mal_register_commac(dev->mal, &dev->commac); + if (err) { + printk(KERN_ERR "emac%d: failed to register with mal%d!\n", + dev->def->index, emacdata->mal_idx); + goto out; + } + dev->rx_skb_size = emac_rx_skb_size(ndev->mtu); + dev->rx_sync_size = emac_rx_sync_size(ndev->mtu); + + /* Get pointers to BD rings */ + dev->tx_desc = + dev->mal->bd_virt + mal_tx_bd_offset(dev->mal, + emacdata->mal_tx_chan); + dev->rx_desc = + dev->mal->bd_virt + mal_rx_bd_offset(dev->mal, + emacdata->mal_rx_chan); + + DBG("%d: tx_desc %p" NL, ocpdev->def->index, dev->tx_desc); + DBG("%d: rx_desc %p" NL, ocpdev->def->index, dev->rx_desc); + + /* Clean rings */ + memset(dev->tx_desc, 0, NUM_TX_BUFF * sizeof(struct mal_descriptor)); + memset(dev->rx_desc, 0, NUM_RX_BUFF * sizeof(struct mal_descriptor)); + + /* If we depend on another EMAC for MDIO, check whether it was probed already */ + if (emacdata->mdio_idx >= 0 && emacdata->mdio_idx != ocpdev->def->index) { + struct ocp_device *mdiodev = + ocp_find_device(OCP_VENDOR_IBM, OCP_FUNC_EMAC, + emacdata->mdio_idx); + if (!mdiodev) { + printk(KERN_ERR "emac%d: unknown emac%d device!\n", + dev->def->index, emacdata->mdio_idx); + err = -ENODEV; + goto out2; + } + dev->mdio_dev = ocp_get_drvdata(mdiodev); + if (!dev->mdio_dev) { + printk(KERN_ERR + "emac%d: emac%d hasn't been initialized yet!\n", + dev->def->index, emacdata->mdio_idx); + err = -ENODEV; + goto out2; + } } - /* Check if we need to attach to a TAH */ - if (emacdata->tah_idx >= 0) { - ep->tah_dev = - ocp_find_device(OCP_ANY_ID, OCP_FUNC_TAH, - emacdata->tah_idx); - if (ep->tah_dev == NULL) - printk(KERN_WARNING - "emac%d: TAH %d requested but not found !\n", - ocpdev->def->index, emacdata->tah_idx); - else if ((rc = emac_init_tah(ep)) != 0) - goto bail; + /* Attach to ZMII, if needed */ + if ((err = zmii_attach(dev)) != 0) + goto out2; + + /* Attach to RGMII, if needed */ + if ((err = rgmii_attach(dev)) != 0) + goto out3; + + /* Attach to TAH, if needed */ + if ((err = tah_attach(dev)) != 0) + goto out4; + + /* Map EMAC regs */ + dev->emacp = + (struct emac_regs *)ioremap(dev->def->paddr, + sizeof(struct emac_regs)); + if (!dev->emacp) { + printk(KERN_ERR "emac%d: could not ioremap device registers!\n", + dev->def->index); + err = -ENOMEM; + goto out5; } - if (deferred_init) { - if (!list_empty(&emac_init_list)) { - struct list_head *entry; - struct emac_def_dev *ddev; + /* Fill in MAC address */ + for (i = 0; i < 6; ++i) + ndev->dev_addr[i] = emacdata->mac_addr[i]; - list_for_each(entry, &emac_init_list) { - ddev = - list_entry(entry, struct emac_def_dev, - link); - emac_init_device(ddev->ocpdev, ddev->mal); - } + /* Set some link defaults before we can find out real parameters */ + dev->phy.speed = SPEED_100; + dev->phy.duplex = DUPLEX_FULL; + dev->phy.autoneg = AUTONEG_DISABLE; + dev->phy.pause = dev->phy.asym_pause = 0; + init_timer(&dev->link_timer); + dev->link_timer.function = emac_link_timer; + dev->link_timer.data = (unsigned long)dev; + + /* Find PHY if any */ + dev->phy.dev = ndev; + dev->phy.mode = emacdata->phy_mode; + if (emacdata->phy_map != 0xffffffff) { + u32 phy_map = emacdata->phy_map | busy_phy_map; + u32 adv; + + DBG("%d: PHY maps %08x %08x" NL, dev->def->index, + emacdata->phy_map, busy_phy_map); + + EMAC_RX_CLK_TX(dev->def->index); + + dev->phy.mdio_read = emac_mdio_read; + dev->phy.mdio_write = emac_mdio_write; + + /* Configure EMAC with defaults so we can at least use MDIO + * This is needed mostly for 440GX + */ + if (emac_phy_gpcs(dev->phy.mode)) { + /* XXX + * Make GPCS PHY address equal to EMAC index. + * We probably should take into account busy_phy_map + * and/or phy_map here. + */ + dev->phy.address = dev->def->index; } - } + + emac_configure(dev); - /* Init link monitoring timer */ - init_timer(&ep->link_timer); - ep->link_timer.function = emac_link_timer; - ep->link_timer.data = (unsigned long)ep; - ep->timer_ticks = 0; - - /* Fill up the mii_phy structure */ - ep->phy_mii.dev = ndev; - ep->phy_mii.mdio_read = emac_phy_read; - ep->phy_mii.mdio_write = emac_phy_write; - ep->phy_mii.mode = emacdata->phy_mode; - - /* Find PHY */ - phy_map = emacdata->phy_map | busy_phy_map; - for (i = 0; i <= 0x1f; i++, phy_map >>= 1) { - if ((phy_map & 0x1) == 0) { - int val = emac_phy_read(ndev, i, MII_BMCR); - if (val != 0xffff && val != -1) - break; + for (i = 0; i < 0x20; phy_map >>= 1, ++i) + if (!(phy_map & 1)) { + int r; + busy_phy_map |= 1 << i; + + /* Quick check if there is a PHY at the address */ + r = emac_mdio_read(dev->ndev, i, MII_BMCR); + if (r == 0xffff || r < 0) + continue; + if (!mii_phy_probe(&dev->phy, i)) + break; + } + if (i == 0x20) { + printk(KERN_WARNING "emac%d: can't find PHY!\n", + dev->def->index); + goto out6; } - } - if (i == 0x20) { - printk(KERN_WARNING "emac%d: Can't find PHY.\n", - ocpdev->def->index); - rc = -ENODEV; - goto bail; - } - busy_phy_map |= 1 << i; - ep->mii_phy_addr = i; - rc = mii_phy_probe(&ep->phy_mii, i); - if (rc) { - printk(KERN_WARNING "emac%d: Failed to probe PHY type.\n", - ocpdev->def->index); - rc = -ENODEV; - goto bail; - } - - /* Disable any PHY features not supported by the platform */ - ep->phy_mii.def->features &= ~emacdata->phy_feat_exc; - /* Setup initial PHY config & startup aneg */ - if (ep->phy_mii.def->ops->init) - ep->phy_mii.def->ops->init(&ep->phy_mii); - netif_carrier_off(ndev); - if (ep->phy_mii.def->features & SUPPORTED_Autoneg) - ep->want_autoneg = 1; - else { - ep->want_autoneg = 0; + /* Init PHY */ + if (dev->phy.def->ops->init) + dev->phy.def->ops->init(&dev->phy); - /* Select highest supported speed/duplex */ - if (ep->phy_mii.def->features & SUPPORTED_1000baseT_Full) { - ep->phy_mii.speed = SPEED_1000; - ep->phy_mii.duplex = DUPLEX_FULL; - } else if (ep->phy_mii.def->features & - SUPPORTED_1000baseT_Half) { - ep->phy_mii.speed = SPEED_1000; - ep->phy_mii.duplex = DUPLEX_HALF; - } else if (ep->phy_mii.def->features & - SUPPORTED_100baseT_Full) { - ep->phy_mii.speed = SPEED_100; - ep->phy_mii.duplex = DUPLEX_FULL; - } else if (ep->phy_mii.def->features & - SUPPORTED_100baseT_Half) { - ep->phy_mii.speed = SPEED_100; - ep->phy_mii.duplex = DUPLEX_HALF; - } else if (ep->phy_mii.def->features & - SUPPORTED_10baseT_Full) { - ep->phy_mii.speed = SPEED_10; - ep->phy_mii.duplex = DUPLEX_FULL; + /* Disable any PHY features not supported by the platform */ + dev->phy.def->features &= ~emacdata->phy_feat_exc; + + /* Setup initial link parameters */ + if (dev->phy.features & SUPPORTED_Autoneg) { + adv = dev->phy.features; +#if !defined(CONFIG_40x) + adv |= ADVERTISED_Pause | ADVERTISED_Asym_Pause; +#endif + /* Restart autonegotiation */ + dev->phy.def->ops->setup_aneg(&dev->phy, adv); } else { - ep->phy_mii.speed = SPEED_10; - ep->phy_mii.duplex = DUPLEX_HALF; + u32 f = dev->phy.def->features; + int speed = SPEED_10, fd = DUPLEX_HALF; + + /* Select highest supported speed/duplex */ + if (f & SUPPORTED_1000baseT_Full) { + speed = SPEED_1000; + fd = DUPLEX_FULL; + } else if (f & SUPPORTED_1000baseT_Half) + speed = SPEED_1000; + else if (f & SUPPORTED_100baseT_Full) { + speed = SPEED_100; + fd = DUPLEX_FULL; + } else if (f & SUPPORTED_100baseT_Half) + speed = SPEED_100; + else if (f & SUPPORTED_10baseT_Full) + fd = DUPLEX_FULL; + + /* Force link parameters */ + dev->phy.def->ops->setup_forced(&dev->phy, speed, fd); } - } - emac_start_link(ep, NULL); + } else { + emac_reset(dev); - /* read the MAC Address */ - for (i = 0; i < 6; i++) - ndev->dev_addr[i] = emacdata->mac_addr[i]; + /* PHY-less configuration. + * XXX I probably should move these settings to emacdata + */ + dev->phy.address = -1; + dev->phy.features = SUPPORTED_100baseT_Full | SUPPORTED_MII; + dev->phy.pause = 1; + } /* Fill in the driver function table */ ndev->open = &emac_open; - ndev->hard_start_xmit = &emac_start_xmit; + if (dev->tah_dev) { + ndev->hard_start_xmit = &emac_start_xmit_sg; + ndev->features |= NETIF_F_IP_CSUM | NETIF_F_SG; + } else + ndev->hard_start_xmit = &emac_start_xmit; + ndev->tx_timeout = &emac_full_tx_reset; + ndev->watchdog_timeo = 5 * HZ; ndev->stop = &emac_close; ndev->get_stats = &emac_stats; - if (emacdata->jumbo) - ndev->change_mtu = &emac_change_mtu; - ndev->set_mac_address = &emac_set_mac_address; ndev->set_multicast_list = &emac_set_multicast_list; ndev->do_ioctl = &emac_ioctl; + if (emac_phy_supports_gige(emacdata->phy_mode)) { + ndev->change_mtu = &emac_change_mtu; + dev->commac.ops = &emac_commac_sg_ops; + } SET_ETHTOOL_OPS(ndev, &emac_ethtool_ops); - if (emacdata->tah_idx >= 0) - ndev->features = NETIF_F_IP_CSUM | NETIF_F_SG; -#ifdef CONFIG_NET_POLL_CONTROLLER - ndev->poll_controller = emac_netpoll; -#endif - SET_MODULE_OWNER(ndev); + netif_carrier_off(ndev); + netif_stop_queue(ndev); + + err = register_netdev(ndev); + if (err) { + printk(KERN_ERR "emac%d: failed to register net device (%d)!\n", + dev->def->index, err); + goto out6; + } - rc = register_netdev(ndev); - if (rc != 0) - goto bail; + ocp_set_drvdata(ocpdev, dev); - printk("%s: IBM emac, MAC %02x:%02x:%02x:%02x:%02x:%02x\n", - ndev->name, + printk("%s: emac%d, MAC %02x:%02x:%02x:%02x:%02x:%02x\n", + ndev->name, dev->def->index, ndev->dev_addr[0], ndev->dev_addr[1], ndev->dev_addr[2], ndev->dev_addr[3], ndev->dev_addr[4], ndev->dev_addr[5]); - printk(KERN_INFO "%s: Found %s PHY (0x%02x)\n", - ndev->name, ep->phy_mii.def->name, ep->mii_phy_addr); - bail: - if (rc && commac_reg) - mal_unregister_commac(ep->mal, &ep->commac); - if (rc && ndev) - kfree(ndev); + if (dev->phy.address >= 0) + printk("%s: found %s PHY (0x%02x)\n", ndev->name, + dev->phy.def->name, dev->phy.address); - return rc; -} - -static int emac_probe(struct ocp_device *ocpdev) -{ - struct ocp_device *maldev; - struct ibm_ocp_mal *mal; - struct ocp_func_emac_data *emacdata; - - emacdata = (struct ocp_func_emac_data *)ocpdev->def->additions; - if (emacdata == NULL) { - printk(KERN_ERR "emac%d: Missing additional datas !\n", - ocpdev->def->index); - return -ENODEV; - } - - /* Get the MAL device */ - maldev = ocp_find_device(OCP_ANY_ID, OCP_FUNC_MAL, emacdata->mal_idx); - if (maldev == NULL) { - printk("No maldev\n"); - return -ENODEV; - } - /* - * Get MAL driver data, it must be here due to link order. - * When the driver is modularized, symbol dependencies will - * ensure the MAL driver is already present if built as a - * module. - */ - mal = (struct ibm_ocp_mal *)ocp_get_drvdata(maldev); - if (mal == NULL) { - printk("No maldrv\n"); - return -ENODEV; - } - - /* If we depend on another EMAC for MDIO, wait for it to show up */ - if (emacdata->mdio_idx >= 0 && - (emacdata->mdio_idx != ocpdev->def->index) && !mdio_ndev) { - struct emac_def_dev *ddev; - /* Add this index to the deferred init table */ - ddev = kmalloc(sizeof(struct emac_def_dev), GFP_KERNEL); - ddev->ocpdev = ocpdev; - ddev->mal = mal; - list_add_tail(&ddev->link, &emac_init_list); - } else { - emac_init_device(ocpdev, mal); - } + emac_dbg_register(dev->def->index, dev); return 0; + out6: + iounmap((void *)dev->emacp); + out5: + tah_fini(dev->tah_dev); + out4: + rgmii_fini(dev->rgmii_dev, dev->rgmii_input); + out3: + zmii_fini(dev->zmii_dev, dev->zmii_input); + out2: + mal_unregister_commac(dev->mal, &dev->commac); + out: + kfree(ndev); + return err; } -/* Structure for a device driver */ static struct ocp_device_id emac_ids[] = { - {.vendor = OCP_ANY_ID,.function = OCP_FUNC_EMAC}, - {.vendor = OCP_VENDOR_INVALID} + { .vendor = OCP_VENDOR_IBM, .function = OCP_FUNC_EMAC }, + { .vendor = OCP_VENDOR_INVALID} }; static struct ocp_driver emac_driver = { .name = "emac", .id_table = emac_ids, - .probe = emac_probe, .remove = emac_remove, }; static int __init emac_init(void) { - printk(KERN_INFO DRV_NAME ": " DRV_DESC ", version " DRV_VERSION "\n"); - printk(KERN_INFO "Maintained by " DRV_AUTHOR "\n"); + printk(KERN_INFO DRV_DESC ", version " DRV_VERSION "\n"); + + DBG(": init" NL); - if (skb_res > 2) { - printk(KERN_WARNING "Invalid skb_res: %d, cropping to 2\n", - skb_res); - skb_res = 2; + if (mal_init()) + return -ENODEV; + + EMAC_CLK_INTERNAL; + if (ocp_register_driver(&emac_driver)) { + EMAC_CLK_EXTERNAL; + ocp_unregister_driver(&emac_driver); + mal_exit(); + return -ENODEV; } + EMAC_CLK_EXTERNAL; - return ocp_register_driver(&emac_driver); + emac_init_debug(); + return 0; } static void __exit emac_exit(void) { + DBG(": exit" NL); ocp_unregister_driver(&emac_driver); + mal_exit(); + emac_fini_debug(); } module_init(emac_init); diff --git a/drivers/net/ibm_emac/ibm_emac_core.h b/drivers/net/ibm_emac/ibm_emac_core.h index 97e6e1ea8c89..e9b44d030ac3 100644 --- a/drivers/net/ibm_emac/ibm_emac_core.h +++ b/drivers/net/ibm_emac/ibm_emac_core.h @@ -1,146 +1,221 @@ /* - * ibm_emac_core.h + * drivers/net/ibm_emac/ibm_emac_core.h * - * Ethernet driver for the built in ethernet on the IBM 405 PowerPC - * processor. + * Driver for PowerPC 4xx on-chip ethernet controller. * - * Armin Kuster akuster@mvista.com - * Sept, 2001 + * Copyright (c) 2004, 2005 Zultys Technologies. + * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> * - * Orignial driver - * Johnnie Peters - * jpeters@mvista.com - * - * Copyright 2000 MontaVista Softare Inc. + * Based on original work by + * Armin Kuster <akuster@mvista.com> + * Johnnie Peters <jpeters@mvista.com> + * Copyright 2000, 2001 MontaVista Softare Inc. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. + * */ +#ifndef __IBM_EMAC_CORE_H_ +#define __IBM_EMAC_CORE_H_ -#ifndef _IBM_EMAC_CORE_H_ -#define _IBM_EMAC_CORE_H_ - +#include <linux/config.h> #include <linux/netdevice.h> +#include <linux/dma-mapping.h> #include <asm/ocp.h> -#include <asm/mmu.h> /* For phys_addr_t */ #include "ibm_emac.h" #include "ibm_emac_phy.h" -#include "ibm_emac_rgmii.h" #include "ibm_emac_zmii.h" +#include "ibm_emac_rgmii.h" #include "ibm_emac_mal.h" #include "ibm_emac_tah.h" -#ifndef CONFIG_IBM_EMAC_TXB -#define NUM_TX_BUFF 64 -#define NUM_RX_BUFF 64 -#else -#define NUM_TX_BUFF CONFIG_IBM_EMAC_TXB -#define NUM_RX_BUFF CONFIG_IBM_EMAC_RXB -#endif +#define NUM_TX_BUFF CONFIG_IBM_EMAC_TXB +#define NUM_RX_BUFF CONFIG_IBM_EMAC_RXB -/* This does 16 byte alignment, exactly what we need. - * The packet length includes FCS, but we don't want to - * include that when passing upstream as it messes up - * bridging applications. - */ -#ifndef CONFIG_IBM_EMAC_SKBRES -#define SKB_RES 2 -#else -#define SKB_RES CONFIG_IBM_EMAC_SKBRES +/* Simple sanity check */ +#if NUM_TX_BUFF > 256 || NUM_RX_BUFF > 256 +#error Invalid number of buffer descriptors (greater than 256) #endif -/* Note about alignement. alloc_skb() returns a cache line - * aligned buffer. However, dev_alloc_skb() will add 16 more - * bytes and "reserve" them, so our buffer will actually end - * on a half cache line. What we do is to use directly - * alloc_skb, allocate 16 more bytes to match the total amount - * allocated by dev_alloc_skb(), but we don't reserve. +// XXX +#define EMAC_MIN_MTU 46 +#define EMAC_MAX_MTU 9000 + +/* Maximum L2 header length (VLAN tagged, no FCS) */ +#define EMAC_MTU_OVERHEAD (6 * 2 + 2 + 4) + +/* RX BD size for the given MTU */ +static inline int emac_rx_size(int mtu) +{ + if (mtu > ETH_DATA_LEN) + return MAL_MAX_RX_SIZE; + else + return mal_rx_size(ETH_DATA_LEN + EMAC_MTU_OVERHEAD); +} + +#define EMAC_DMA_ALIGN(x) ALIGN((x), dma_get_cache_alignment()) + +#define EMAC_RX_SKB_HEADROOM \ + EMAC_DMA_ALIGN(CONFIG_IBM_EMAC_RX_SKB_HEADROOM) + +/* Size of RX skb for the given MTU */ +static inline int emac_rx_skb_size(int mtu) +{ + int size = max(mtu + EMAC_MTU_OVERHEAD, emac_rx_size(mtu)); + return EMAC_DMA_ALIGN(size + 2) + EMAC_RX_SKB_HEADROOM; +} + +/* RX DMA sync size */ +static inline int emac_rx_sync_size(int mtu) +{ + return EMAC_DMA_ALIGN(emac_rx_size(mtu) + 2); +} + +/* Driver statistcs is split into two parts to make it more cache friendly: + * - normal statistics (packet count, etc) + * - error statistics + * + * When statistics is requested by ethtool, these parts are concatenated, + * normal one goes first. + * + * Please, keep these structures in sync with emac_stats_keys. */ -#define MAX_NUM_BUF_DESC 255 -#define DESC_BUF_SIZE 4080 /* max 4096-16 */ -#define DESC_BUF_SIZE_REG (DESC_BUF_SIZE / 16) - -/* Transmitter timeout. */ -#define TX_TIMEOUT (2*HZ) - -/* MDIO latency delay */ -#define MDIO_DELAY 250 - -/* Power managment shift registers */ -#define IBM_CPM_EMMII 0 /* Shift value for MII */ -#define IBM_CPM_EMRX 1 /* Shift value for recv */ -#define IBM_CPM_EMTX 2 /* Shift value for MAC */ -#define IBM_CPM_EMAC(x) (((x)>>IBM_CPM_EMMII) | ((x)>>IBM_CPM_EMRX) | ((x)>>IBM_CPM_EMTX)) - -#define ENET_HEADER_SIZE 14 -#define ENET_FCS_SIZE 4 -#define ENET_DEF_MTU_SIZE 1500 -#define ENET_DEF_BUF_SIZE (ENET_DEF_MTU_SIZE + ENET_HEADER_SIZE + ENET_FCS_SIZE) -#define EMAC_MIN_FRAME 64 -#define EMAC_MAX_FRAME 9018 -#define EMAC_MIN_MTU (EMAC_MIN_FRAME - ENET_HEADER_SIZE - ENET_FCS_SIZE) -#define EMAC_MAX_MTU (EMAC_MAX_FRAME - ENET_HEADER_SIZE - ENET_FCS_SIZE) - -#ifdef CONFIG_IBM_EMAC_ERRMSG -void emac_serr_dump_0(struct net_device *dev); -void emac_serr_dump_1(struct net_device *dev); -void emac_err_dump(struct net_device *dev, int em0isr); -void emac_phy_dump(struct net_device *); -void emac_desc_dump(struct net_device *); -void emac_mac_dump(struct net_device *); -void emac_mal_dump(struct net_device *); -#else -#define emac_serr_dump_0(dev) do { } while (0) -#define emac_serr_dump_1(dev) do { } while (0) -#define emac_err_dump(dev,x) do { } while (0) -#define emac_phy_dump(dev) do { } while (0) -#define emac_desc_dump(dev) do { } while (0) -#define emac_mac_dump(dev) do { } while (0) -#define emac_mal_dump(dev) do { } while (0) -#endif + +/* Normal TX/RX Statistics */ +struct ibm_emac_stats { + u64 rx_packets; + u64 rx_bytes; + u64 tx_packets; + u64 tx_bytes; + u64 rx_packets_csum; + u64 tx_packets_csum; +}; + +/* Error statistics */ +struct ibm_emac_error_stats { + u64 tx_undo; + + /* Software RX Errors */ + u64 rx_dropped_stack; + u64 rx_dropped_oom; + u64 rx_dropped_error; + u64 rx_dropped_resize; + u64 rx_dropped_mtu; + u64 rx_stopped; + /* BD reported RX errors */ + u64 rx_bd_errors; + u64 rx_bd_overrun; + u64 rx_bd_bad_packet; + u64 rx_bd_runt_packet; + u64 rx_bd_short_event; + u64 rx_bd_alignment_error; + u64 rx_bd_bad_fcs; + u64 rx_bd_packet_too_long; + u64 rx_bd_out_of_range; + u64 rx_bd_in_range; + /* EMAC IRQ reported RX errors */ + u64 rx_parity; + u64 rx_fifo_overrun; + u64 rx_overrun; + u64 rx_bad_packet; + u64 rx_runt_packet; + u64 rx_short_event; + u64 rx_alignment_error; + u64 rx_bad_fcs; + u64 rx_packet_too_long; + u64 rx_out_of_range; + u64 rx_in_range; + + /* Software TX Errors */ + u64 tx_dropped; + /* BD reported TX errors */ + u64 tx_bd_errors; + u64 tx_bd_bad_fcs; + u64 tx_bd_carrier_loss; + u64 tx_bd_excessive_deferral; + u64 tx_bd_excessive_collisions; + u64 tx_bd_late_collision; + u64 tx_bd_multple_collisions; + u64 tx_bd_single_collision; + u64 tx_bd_underrun; + u64 tx_bd_sqe; + /* EMAC IRQ reported TX errors */ + u64 tx_parity; + u64 tx_underrun; + u64 tx_sqe; + u64 tx_errors; +}; + +#define EMAC_ETHTOOL_STATS_COUNT ((sizeof(struct ibm_emac_stats) + \ + sizeof(struct ibm_emac_error_stats)) \ + / sizeof(u64)) struct ocp_enet_private { - struct sk_buff *tx_skb[NUM_TX_BUFF]; - struct sk_buff *rx_skb[NUM_RX_BUFF]; - struct mal_descriptor *tx_desc; - struct mal_descriptor *rx_desc; - struct mal_descriptor *rx_dirty; - struct net_device_stats stats; - int tx_cnt; - int rx_slot; - int dirty_rx; - int tx_slot; - int ack_slot; - int rx_buffer_size; - - struct mii_phy phy_mii; - int mii_phy_addr; - int want_autoneg; - int timer_ticks; - struct timer_list link_timer; - struct net_device *mdio_dev; - - struct ocp_device *rgmii_dev; - int rgmii_input; - - struct ocp_device *zmii_dev; - int zmii_input; - - struct ibm_ocp_mal *mal; - int mal_tx_chan, mal_rx_chan; - struct mal_commac commac; - - struct ocp_device *tah_dev; - - int opened; - int going_away; - int wol_irq; - emac_t *emacp; - struct ocp_device *ocpdev; - struct net_device *ndev; - spinlock_t lock; + struct net_device *ndev; /* 0 */ + struct emac_regs *emacp; + + struct mal_descriptor *tx_desc; + int tx_cnt; + int tx_slot; + int ack_slot; + + struct mal_descriptor *rx_desc; + int rx_slot; + struct sk_buff *rx_sg_skb; /* 1 */ + int rx_skb_size; + int rx_sync_size; + + struct ibm_emac_stats stats; + struct ocp_device *tah_dev; + + struct ibm_ocp_mal *mal; + struct mal_commac commac; + + struct sk_buff *tx_skb[NUM_TX_BUFF]; + struct sk_buff *rx_skb[NUM_RX_BUFF]; + + struct ocp_device *zmii_dev; + int zmii_input; + struct ocp_enet_private *mdio_dev; + struct ocp_device *rgmii_dev; + int rgmii_input; + + struct ocp_def *def; + + struct mii_phy phy; + struct timer_list link_timer; + int reset_failed; + + struct ibm_emac_error_stats estats; + struct net_device_stats nstats; + + struct device* ldev; }; -#endif /* _IBM_EMAC_CORE_H_ */ + +/* Ethtool get_regs complex data. + * We want to get not just EMAC registers, but also MAL, ZMII, RGMII, TAH + * when available. + * + * Returned BLOB consists of the ibm_emac_ethtool_regs_hdr, + * MAL registers, EMAC registers and optional ZMII, RGMII, TAH registers. + * Each register component is preceded with emac_ethtool_regs_subhdr. + * Order of the optional headers follows their relative bit posititions + * in emac_ethtool_regs_hdr.components + */ +#define EMAC_ETHTOOL_REGS_ZMII 0x00000001 +#define EMAC_ETHTOOL_REGS_RGMII 0x00000002 +#define EMAC_ETHTOOL_REGS_TAH 0x00000004 + +struct emac_ethtool_regs_hdr { + u32 components; +}; + +struct emac_ethtool_regs_subhdr { + u32 version; + u32 index; +}; + +#endif /* __IBM_EMAC_CORE_H_ */ diff --git a/drivers/net/ibm_emac/ibm_emac_debug.c b/drivers/net/ibm_emac/ibm_emac_debug.c index c8512046cf84..75d3b8639041 100644 --- a/drivers/net/ibm_emac/ibm_emac_debug.c +++ b/drivers/net/ibm_emac/ibm_emac_debug.c @@ -1,224 +1,213 @@ /* - * ibm_ocp_debug.c + * drivers/net/ibm_emac/ibm_emac_debug.c * - * This has all the debug routines that where in *_enet.c + * Driver for PowerPC 4xx on-chip ethernet controller, debug print routines. * - * Armin Kuster akuster@mvista.com - * April , 2002 - * - * Copyright 2002 MontaVista Softare Inc. + * Copyright (c) 2004, 2005 Zultys Technologies + * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. + * */ - #include <linux/config.h> +#include <linux/init.h> +#include <linux/module.h> #include <linux/kernel.h> #include <linux/netdevice.h> +#include <linux/sysrq.h> #include <asm/io.h> -#include "ibm_ocp_mal.h" -#include "ibm_ocp_zmii.h" -#include "ibm_ocp_enet.h" -extern int emac_phy_read(struct net_device *dev, int mii_id, int reg); +#include "ibm_emac_core.h" + +static void emac_desc_dump(int idx, struct ocp_enet_private *p) +{ + int i; + printk("** EMAC%d TX BDs **\n" + " tx_cnt = %d tx_slot = %d ack_slot = %d\n", + idx, p->tx_cnt, p->tx_slot, p->ack_slot); + for (i = 0; i < NUM_TX_BUFF / 2; ++i) + printk + ("bd[%2d] 0x%08x %c 0x%04x %4u - bd[%2d] 0x%08x %c 0x%04x %4u\n", + i, p->tx_desc[i].data_ptr, p->tx_skb[i] ? 'V' : ' ', + p->tx_desc[i].ctrl, p->tx_desc[i].data_len, + NUM_TX_BUFF / 2 + i, + p->tx_desc[NUM_TX_BUFF / 2 + i].data_ptr, + p->tx_skb[NUM_TX_BUFF / 2 + i] ? 'V' : ' ', + p->tx_desc[NUM_TX_BUFF / 2 + i].ctrl, + p->tx_desc[NUM_TX_BUFF / 2 + i].data_len); + + printk("** EMAC%d RX BDs **\n" + " rx_slot = %d rx_stopped = %d rx_skb_size = %d rx_sync_size = %d\n" + " rx_sg_skb = 0x%p\n", + idx, p->rx_slot, p->commac.rx_stopped, p->rx_skb_size, + p->rx_sync_size, p->rx_sg_skb); + for (i = 0; i < NUM_RX_BUFF / 2; ++i) + printk + ("bd[%2d] 0x%08x %c 0x%04x %4u - bd[%2d] 0x%08x %c 0x%04x %4u\n", + i, p->rx_desc[i].data_ptr, p->rx_skb[i] ? 'V' : ' ', + p->rx_desc[i].ctrl, p->rx_desc[i].data_len, + NUM_RX_BUFF / 2 + i, + p->rx_desc[NUM_RX_BUFF / 2 + i].data_ptr, + p->rx_skb[NUM_RX_BUFF / 2 + i] ? 'V' : ' ', + p->rx_desc[NUM_RX_BUFF / 2 + i].ctrl, + p->rx_desc[NUM_RX_BUFF / 2 + i].data_len); +} + +static void emac_mac_dump(int idx, struct ocp_enet_private *dev) +{ + struct emac_regs *p = dev->emacp; + + printk("** EMAC%d registers **\n" + "MR0 = 0x%08x MR1 = 0x%08x TMR0 = 0x%08x TMR1 = 0x%08x\n" + "RMR = 0x%08x ISR = 0x%08x ISER = 0x%08x\n" + "IAR = %04x%08x VTPID = 0x%04x VTCI = 0x%04x\n" + "IAHT: 0x%04x 0x%04x 0x%04x 0x%04x " + "GAHT: 0x%04x 0x%04x 0x%04x 0x%04x\n" + "LSA = %04x%08x IPGVR = 0x%04x\n" + "STACR = 0x%08x TRTR = 0x%08x RWMR = 0x%08x\n" + "OCTX = 0x%08x OCRX = 0x%08x IPCR = 0x%08x\n", + idx, in_be32(&p->mr0), in_be32(&p->mr1), + in_be32(&p->tmr0), in_be32(&p->tmr1), + in_be32(&p->rmr), in_be32(&p->isr), in_be32(&p->iser), + in_be32(&p->iahr), in_be32(&p->ialr), in_be32(&p->vtpid), + in_be32(&p->vtci), + in_be32(&p->iaht1), in_be32(&p->iaht2), in_be32(&p->iaht3), + in_be32(&p->iaht4), + in_be32(&p->gaht1), in_be32(&p->gaht2), in_be32(&p->gaht3), + in_be32(&p->gaht4), + in_be32(&p->lsah), in_be32(&p->lsal), in_be32(&p->ipgvr), + in_be32(&p->stacr), in_be32(&p->trtr), in_be32(&p->rwmr), + in_be32(&p->octx), in_be32(&p->ocrx), in_be32(&p->ipcr) + ); + + emac_desc_dump(idx, dev); +} + +static void emac_mal_dump(struct ibm_ocp_mal *mal) +{ + struct ocp_func_mal_data *maldata = mal->def->additions; + int i; + + printk("** MAL%d Registers **\n" + "CFG = 0x%08x ESR = 0x%08x IER = 0x%08x\n" + "TX|CASR = 0x%08x CARR = 0x%08x EOBISR = 0x%08x DEIR = 0x%08x\n" + "RX|CASR = 0x%08x CARR = 0x%08x EOBISR = 0x%08x DEIR = 0x%08x\n", + mal->def->index, + get_mal_dcrn(mal, MAL_CFG), get_mal_dcrn(mal, MAL_ESR), + get_mal_dcrn(mal, MAL_IER), + get_mal_dcrn(mal, MAL_TXCASR), get_mal_dcrn(mal, MAL_TXCARR), + get_mal_dcrn(mal, MAL_TXEOBISR), get_mal_dcrn(mal, MAL_TXDEIR), + get_mal_dcrn(mal, MAL_RXCASR), get_mal_dcrn(mal, MAL_RXCARR), + get_mal_dcrn(mal, MAL_RXEOBISR), get_mal_dcrn(mal, MAL_RXDEIR) + ); + + printk("TX|"); + for (i = 0; i < maldata->num_tx_chans; ++i) { + if (i && !(i % 4)) + printk("\n "); + printk("CTP%d = 0x%08x ", i, get_mal_dcrn(mal, MAL_TXCTPR(i))); + } + printk("\nRX|"); + for (i = 0; i < maldata->num_rx_chans; ++i) { + if (i && !(i % 4)) + printk("\n "); + printk("CTP%d = 0x%08x ", i, get_mal_dcrn(mal, MAL_RXCTPR(i))); + } + printk("\n "); + for (i = 0; i < maldata->num_rx_chans; ++i) { + u32 r = get_mal_dcrn(mal, MAL_RCBS(i)); + if (i && !(i % 3)) + printk("\n "); + printk("RCBS%d = 0x%08x (%d) ", i, r, r * 16); + } + printk("\n"); +} + +static struct ocp_enet_private *__emacs[4]; +static struct ibm_ocp_mal *__mals[1]; -void emac_phy_dump(struct net_device *dev) +void emac_dbg_register(int idx, struct ocp_enet_private *dev) { - struct ocp_enet_private *fep = dev->priv; - unsigned long i; - uint data; - - printk(KERN_DEBUG " Prepare for Phy dump....\n"); - for (i = 0; i < 0x1A; i++) { - data = emac_phy_read(dev, fep->mii_phy_addr, i); - printk(KERN_DEBUG "Phy reg 0x%lx ==> %4x\n", i, data); - if (i == 0x07) - i = 0x0f; + unsigned long flags; + + if (idx >= sizeof(__emacs) / sizeof(__emacs[0])) { + printk(KERN_WARNING + "invalid index %d when registering EMAC for debugging\n", + idx); + return; } + + local_irq_save(flags); + __emacs[idx] = dev; + local_irq_restore(flags); } -void emac_desc_dump(struct net_device *dev) +void mal_dbg_register(int idx, struct ibm_ocp_mal *mal) { - struct ocp_enet_private *fep = dev->priv; - int curr_slot; - - printk(KERN_DEBUG - "dumping the receive descriptors: current slot is %d\n", - fep->rx_slot); - for (curr_slot = 0; curr_slot < NUM_RX_BUFF; curr_slot++) { - printk(KERN_DEBUG - "Desc %02d: status 0x%04x, length %3d, addr 0x%x\n", - curr_slot, fep->rx_desc[curr_slot].ctrl, - fep->rx_desc[curr_slot].data_len, - (unsigned int)fep->rx_desc[curr_slot].data_ptr); + unsigned long flags; + + if (idx >= sizeof(__mals) / sizeof(__mals[0])) { + printk(KERN_WARNING + "invalid index %d when registering MAL for debugging\n", + idx); + return; } + + local_irq_save(flags); + __mals[idx] = mal; + local_irq_restore(flags); } -void emac_mac_dump(struct net_device *dev) +void emac_dbg_dump_all(void) { - struct ocp_enet_private *fep = dev->priv; - volatile emac_t *emacp = fep->emacp; - - printk(KERN_DEBUG "EMAC DEBUG ********** \n"); - printk(KERN_DEBUG "EMAC_M0 ==> 0x%x\n", in_be32(&emacp->em0mr0)); - printk(KERN_DEBUG "EMAC_M1 ==> 0x%x\n", in_be32(&emacp->em0mr1)); - printk(KERN_DEBUG "EMAC_TXM0==> 0x%x\n", in_be32(&emacp->em0tmr0)); - printk(KERN_DEBUG "EMAC_TXM1==> 0x%x\n", in_be32(&emacp->em0tmr1)); - printk(KERN_DEBUG "EMAC_RXM ==> 0x%x\n", in_be32(&emacp->em0rmr)); - printk(KERN_DEBUG "EMAC_ISR ==> 0x%x\n", in_be32(&emacp->em0isr)); - printk(KERN_DEBUG "EMAC_IER ==> 0x%x\n", in_be32(&emacp->em0iser)); - printk(KERN_DEBUG "EMAC_IAH ==> 0x%x\n", in_be32(&emacp->em0iahr)); - printk(KERN_DEBUG "EMAC_IAL ==> 0x%x\n", in_be32(&emacp->em0ialr)); - printk(KERN_DEBUG "EMAC_VLAN_TPID_REG ==> 0x%x\n", - in_be32(&emacp->em0vtpid)); + unsigned int i; + unsigned long flags; + + local_irq_save(flags); + + for (i = 0; i < sizeof(__mals) / sizeof(__mals[0]); ++i) + if (__mals[i]) + emac_mal_dump(__mals[i]); + + for (i = 0; i < sizeof(__emacs) / sizeof(__emacs[0]); ++i) + if (__emacs[i]) + emac_mac_dump(i, __emacs[i]); + + local_irq_restore(flags); } -void emac_mal_dump(struct net_device *dev) +#if defined(CONFIG_MAGIC_SYSRQ) +static void emac_sysrq_handler(int key, struct pt_regs *pt_regs, + struct tty_struct *tty) { - struct ibm_ocp_mal *mal = ((struct ocp_enet_private *)dev->priv)->mal; - - printk(KERN_DEBUG " MAL DEBUG ********** \n"); - printk(KERN_DEBUG " MCR ==> 0x%x\n", - (unsigned int)get_mal_dcrn(mal, DCRN_MALCR)); - printk(KERN_DEBUG " ESR ==> 0x%x\n", - (unsigned int)get_mal_dcrn(mal, DCRN_MALESR)); - printk(KERN_DEBUG " IER ==> 0x%x\n", - (unsigned int)get_mal_dcrn(mal, DCRN_MALIER)); -#ifdef CONFIG_40x - printk(KERN_DEBUG " DBR ==> 0x%x\n", - (unsigned int)get_mal_dcrn(mal, DCRN_MALDBR)); -#endif /* CONFIG_40x */ - printk(KERN_DEBUG " TXCASR ==> 0x%x\n", - (unsigned int)get_mal_dcrn(mal, DCRN_MALTXCASR)); - printk(KERN_DEBUG " TXCARR ==> 0x%x\n", - (unsigned int)get_mal_dcrn(mal, DCRN_MALTXCARR)); - printk(KERN_DEBUG " TXEOBISR ==> 0x%x\n", - (unsigned int)get_mal_dcrn(mal, DCRN_MALTXEOBISR)); - printk(KERN_DEBUG " TXDEIR ==> 0x%x\n", - (unsigned int)get_mal_dcrn(mal, DCRN_MALTXDEIR)); - printk(KERN_DEBUG " RXCASR ==> 0x%x\n", - (unsigned int)get_mal_dcrn(mal, DCRN_MALRXCASR)); - printk(KERN_DEBUG " RXCARR ==> 0x%x\n", - (unsigned int)get_mal_dcrn(mal, DCRN_MALRXCARR)); - printk(KERN_DEBUG " RXEOBISR ==> 0x%x\n", - (unsigned int)get_mal_dcrn(mal, DCRN_MALRXEOBISR)); - printk(KERN_DEBUG " RXDEIR ==> 0x%x\n", - (unsigned int)get_mal_dcrn(mal, DCRN_MALRXDEIR)); - printk(KERN_DEBUG " TXCTP0R ==> 0x%x\n", - (unsigned int)get_mal_dcrn(mal, DCRN_MALTXCTP0R)); - printk(KERN_DEBUG " TXCTP1R ==> 0x%x\n", - (unsigned int)get_mal_dcrn(mal, DCRN_MALTXCTP1R)); - printk(KERN_DEBUG " TXCTP2R ==> 0x%x\n", - (unsigned int)get_mal_dcrn(mal, DCRN_MALTXCTP2R)); - printk(KERN_DEBUG " TXCTP3R ==> 0x%x\n", - (unsigned int)get_mal_dcrn(mal, DCRN_MALTXCTP3R)); - printk(KERN_DEBUG " RXCTP0R ==> 0x%x\n", - (unsigned int)get_mal_dcrn(mal, DCRN_MALRXCTP0R)); - printk(KERN_DEBUG " RXCTP1R ==> 0x%x\n", - (unsigned int)get_mal_dcrn(mal, DCRN_MALRXCTP1R)); - printk(KERN_DEBUG " RCBS0 ==> 0x%x\n", - (unsigned int)get_mal_dcrn(mal, DCRN_MALRCBS0)); - printk(KERN_DEBUG " RCBS1 ==> 0x%x\n", - (unsigned int)get_mal_dcrn(mal, DCRN_MALRCBS1)); + emac_dbg_dump_all(); } -void emac_serr_dump_0(struct net_device *dev) +static struct sysrq_key_op emac_sysrq_op = { + .handler = emac_sysrq_handler, + .help_msg = "emaC", + .action_msg = "Show EMAC(s) status", +}; + +int __init emac_init_debug(void) { - struct ibm_ocp_mal *mal = ((struct ocp_enet_private *)dev->priv)->mal; - unsigned long int mal_error, plb_error, plb_addr; - - mal_error = get_mal_dcrn(mal, DCRN_MALESR); - printk(KERN_DEBUG "ppc405_eth_serr: %s channel %ld \n", - (mal_error & 0x40000000) ? "Receive" : - "Transmit", (mal_error & 0x3e000000) >> 25); - printk(KERN_DEBUG " ----- latched error -----\n"); - if (mal_error & MALESR_DE) - printk(KERN_DEBUG " DE: descriptor error\n"); - if (mal_error & MALESR_OEN) - printk(KERN_DEBUG " ONE: OPB non-fullword error\n"); - if (mal_error & MALESR_OTE) - printk(KERN_DEBUG " OTE: OPB timeout error\n"); - if (mal_error & MALESR_OSE) - printk(KERN_DEBUG " OSE: OPB slave error\n"); - - if (mal_error & MALESR_PEIN) { - plb_error = mfdcr(DCRN_PLB0_BESR); - printk(KERN_DEBUG - " PEIN: PLB error, PLB0_BESR is 0x%x\n", - (unsigned int)plb_error); - plb_addr = mfdcr(DCRN_PLB0_BEAR); - printk(KERN_DEBUG - " PEIN: PLB error, PLB0_BEAR is 0x%x\n", - (unsigned int)plb_addr); - } + return register_sysrq_key('c', &emac_sysrq_op); } -void emac_serr_dump_1(struct net_device *dev) +void __exit emac_fini_debug(void) { - struct ibm_ocp_mal *mal = ((struct ocp_enet_private *)dev->priv)->mal; - int mal_error = get_mal_dcrn(mal, DCRN_MALESR); - - printk(KERN_DEBUG " ----- cumulative errors -----\n"); - if (mal_error & MALESR_DEI) - printk(KERN_DEBUG " DEI: descriptor error interrupt\n"); - if (mal_error & MALESR_ONEI) - printk(KERN_DEBUG " OPB non-fullword error interrupt\n"); - if (mal_error & MALESR_OTEI) - printk(KERN_DEBUG " OTEI: timeout error interrupt\n"); - if (mal_error & MALESR_OSEI) - printk(KERN_DEBUG " OSEI: slave error interrupt\n"); - if (mal_error & MALESR_PBEI) - printk(KERN_DEBUG " PBEI: PLB bus error interrupt\n"); + unregister_sysrq_key('c', &emac_sysrq_op); } -void emac_err_dump(struct net_device *dev, int em0isr) +#else +int __init emac_init_debug(void) +{ + return 0; +} +void __exit emac_fini_debug(void) { - printk(KERN_DEBUG "%s: on-chip ethernet error:\n", dev->name); - - if (em0isr & EMAC_ISR_OVR) - printk(KERN_DEBUG " OVR: overrun\n"); - if (em0isr & EMAC_ISR_PP) - printk(KERN_DEBUG " PP: control pause packet\n"); - if (em0isr & EMAC_ISR_BP) - printk(KERN_DEBUG " BP: packet error\n"); - if (em0isr & EMAC_ISR_RP) - printk(KERN_DEBUG " RP: runt packet\n"); - if (em0isr & EMAC_ISR_SE) - printk(KERN_DEBUG " SE: short event\n"); - if (em0isr & EMAC_ISR_ALE) - printk(KERN_DEBUG " ALE: odd number of nibbles in packet\n"); - if (em0isr & EMAC_ISR_BFCS) - printk(KERN_DEBUG " BFCS: bad FCS\n"); - if (em0isr & EMAC_ISR_PTLE) - printk(KERN_DEBUG " PTLE: oversized packet\n"); - if (em0isr & EMAC_ISR_ORE) - printk(KERN_DEBUG - " ORE: packet length field > max allowed LLC\n"); - if (em0isr & EMAC_ISR_IRE) - printk(KERN_DEBUG " IRE: In Range error\n"); - if (em0isr & EMAC_ISR_DBDM) - printk(KERN_DEBUG " DBDM: xmit error or SQE\n"); - if (em0isr & EMAC_ISR_DB0) - printk(KERN_DEBUG " DB0: xmit error or SQE on TX channel 0\n"); - if (em0isr & EMAC_ISR_SE0) - printk(KERN_DEBUG - " SE0: Signal Quality Error test failure from TX channel 0\n"); - if (em0isr & EMAC_ISR_TE0) - printk(KERN_DEBUG " TE0: xmit channel 0 aborted\n"); - if (em0isr & EMAC_ISR_DB1) - printk(KERN_DEBUG " DB1: xmit error or SQE on TX channel \n"); - if (em0isr & EMAC_ISR_SE1) - printk(KERN_DEBUG - " SE1: Signal Quality Error test failure from TX channel 1\n"); - if (em0isr & EMAC_ISR_TE1) - printk(KERN_DEBUG " TE1: xmit channel 1 aborted\n"); - if (em0isr & EMAC_ISR_MOS) - printk(KERN_DEBUG " MOS\n"); - if (em0isr & EMAC_ISR_MOF) - printk(KERN_DEBUG " MOF\n"); - - emac_mac_dump(dev); - emac_mal_dump(dev); } +#endif /* CONFIG_MAGIC_SYSRQ */ diff --git a/drivers/net/ibm_emac/ibm_emac_debug.h b/drivers/net/ibm_emac/ibm_emac_debug.h new file mode 100644 index 000000000000..e85fbe0a8da9 --- /dev/null +++ b/drivers/net/ibm_emac/ibm_emac_debug.h @@ -0,0 +1,63 @@ +/* + * drivers/net/ibm_emac/ibm_ocp_debug.h + * + * Driver for PowerPC 4xx on-chip ethernet controller, debug print routines. + * + * Copyright (c) 2004, 2005 Zultys Technologies + * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ +#ifndef __IBM_EMAC_DEBUG_H_ +#define __IBM_EMAC_DEBUG_H_ + +#include <linux/config.h> +#include <linux/init.h> +#include "ibm_emac_core.h" +#include "ibm_emac_mal.h" + +#if defined(CONFIG_IBM_EMAC_DEBUG) +void emac_dbg_register(int idx, struct ocp_enet_private *dev); +void mal_dbg_register(int idx, struct ibm_ocp_mal *mal); +int emac_init_debug(void) __init; +void emac_fini_debug(void) __exit; +void emac_dbg_dump_all(void); +# define DBG_LEVEL 1 +#else +# define emac_dbg_register(x,y) ((void)0) +# define mal_dbg_register(x,y) ((void)0) +# define emac_init_debug() ((void)0) +# define emac_fini_debug() ((void)0) +# define emac_dbg_dump_all() ((void)0) +# define DBG_LEVEL 0 +#endif + +#if DBG_LEVEL > 0 +# define DBG(f,x...) printk("emac" f, ##x) +# define MAL_DBG(f,x...) printk("mal" f, ##x) +# define ZMII_DBG(f,x...) printk("zmii" f, ##x) +# define RGMII_DBG(f,x...) printk("rgmii" f, ##x) +# define NL "\n" +#else +# define DBG(f,x...) ((void)0) +# define MAL_DBG(f,x...) ((void)0) +# define ZMII_DBG(f,x...) ((void)0) +# define RGMII_DBG(f,x...) ((void)0) +#endif +#if DBG_LEVEL > 1 +# define DBG2(f,x...) DBG(f, ##x) +# define MAL_DBG2(f,x...) MAL_DBG(f, ##x) +# define ZMII_DBG2(f,x...) ZMII_DBG(f, ##x) +# define RGMII_DBG2(f,x...) RGMII_DBG(f, ##x) +#else +# define DBG2(f,x...) ((void)0) +# define MAL_DBG2(f,x...) ((void)0) +# define ZMII_DBG2(f,x...) ((void)0) +# define RGMII_DBG2(f,x...) ((void)0) +#endif + +#endif /* __IBM_EMAC_DEBUG_H_ */ diff --git a/drivers/net/ibm_emac/ibm_emac_mal.c b/drivers/net/ibm_emac/ibm_emac_mal.c index e59f57f363ca..da88d43081cc 100644 --- a/drivers/net/ibm_emac/ibm_emac_mal.c +++ b/drivers/net/ibm_emac/ibm_emac_mal.c @@ -1,436 +1,565 @@ /* - * ibm_ocp_mal.c + * drivers/net/ibm_emac/ibm_emac_mal.c * - * Armin Kuster akuster@mvista.com - * Juen, 2002 + * Memory Access Layer (MAL) support + * + * Copyright (c) 2004, 2005 Zultys Technologies. + * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> * - * Copyright 2002 MontaVista Softare Inc. + * Based on original work by + * Benjamin Herrenschmidt <benh@kernel.crashing.org>, + * David Gibson <hermes@gibson.dropbear.id.au>, + * + * Armin Kuster <akuster@mvista.com> + * Copyright 2002 MontaVista Softare Inc. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. + * */ - #include <linux/config.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/errno.h> #include <linux/netdevice.h> #include <linux/init.h> +#include <linux/interrupt.h> #include <linux/dma-mapping.h> -#include <asm/io.h> -#include <asm/irq.h> #include <asm/ocp.h> +#include "ibm_emac_core.h" #include "ibm_emac_mal.h" +#include "ibm_emac_debug.h" -// Locking: Should we share a lock with the client ? The client could provide -// a lock pointer (optionally) in the commac structure... I don't think this is -// really necessary though - -/* This lock protects the commac list. On today UP implementations, it's - * really only used as IRQ protection in mal_{register,unregister}_commac() - */ -static DEFINE_RWLOCK(mal_list_lock); - -int mal_register_commac(struct ibm_ocp_mal *mal, struct mal_commac *commac) +int __init mal_register_commac(struct ibm_ocp_mal *mal, + struct mal_commac *commac) { unsigned long flags; + local_irq_save(flags); - write_lock_irqsave(&mal_list_lock, flags); + MAL_DBG("%d: reg(%08x, %08x)" NL, mal->def->index, + commac->tx_chan_mask, commac->rx_chan_mask); - /* Don't let multiple commacs claim the same channel */ + /* Don't let multiple commacs claim the same channel(s) */ if ((mal->tx_chan_mask & commac->tx_chan_mask) || (mal->rx_chan_mask & commac->rx_chan_mask)) { - write_unlock_irqrestore(&mal_list_lock, flags); + local_irq_restore(flags); + printk(KERN_WARNING "mal%d: COMMAC channels conflict!\n", + mal->def->index); return -EBUSY; } mal->tx_chan_mask |= commac->tx_chan_mask; mal->rx_chan_mask |= commac->rx_chan_mask; + list_add(&commac->list, &mal->list); - list_add(&commac->list, &mal->commac); - - write_unlock_irqrestore(&mal_list_lock, flags); - + local_irq_restore(flags); return 0; } -int mal_unregister_commac(struct ibm_ocp_mal *mal, struct mal_commac *commac) +void __exit mal_unregister_commac(struct ibm_ocp_mal *mal, + struct mal_commac *commac) { unsigned long flags; + local_irq_save(flags); - write_lock_irqsave(&mal_list_lock, flags); + MAL_DBG("%d: unreg(%08x, %08x)" NL, mal->def->index, + commac->tx_chan_mask, commac->rx_chan_mask); mal->tx_chan_mask &= ~commac->tx_chan_mask; mal->rx_chan_mask &= ~commac->rx_chan_mask; - list_del_init(&commac->list); - write_unlock_irqrestore(&mal_list_lock, flags); - - return 0; + local_irq_restore(flags); } int mal_set_rcbs(struct ibm_ocp_mal *mal, int channel, unsigned long size) { - switch (channel) { - case 0: - set_mal_dcrn(mal, DCRN_MALRCBS0, size); - break; -#ifdef DCRN_MALRCBS1 - case 1: - set_mal_dcrn(mal, DCRN_MALRCBS1, size); - break; -#endif -#ifdef DCRN_MALRCBS2 - case 2: - set_mal_dcrn(mal, DCRN_MALRCBS2, size); - break; -#endif -#ifdef DCRN_MALRCBS3 - case 3: - set_mal_dcrn(mal, DCRN_MALRCBS3, size); - break; -#endif - default: + struct ocp_func_mal_data *maldata = mal->def->additions; + BUG_ON(channel < 0 || channel >= maldata->num_rx_chans || + size > MAL_MAX_RX_SIZE); + + MAL_DBG("%d: set_rbcs(%d, %lu)" NL, mal->def->index, channel, size); + + if (size & 0xf) { + printk(KERN_WARNING + "mal%d: incorrect RX size %lu for the channel %d\n", + mal->def->index, size, channel); return -EINVAL; } + set_mal_dcrn(mal, MAL_RCBS(channel), size >> 4); return 0; } -static irqreturn_t mal_serr(int irq, void *dev_instance, struct pt_regs *regs) +int mal_tx_bd_offset(struct ibm_ocp_mal *mal, int channel) { - struct ibm_ocp_mal *mal = dev_instance; - unsigned long mal_error; + struct ocp_func_mal_data *maldata = mal->def->additions; + BUG_ON(channel < 0 || channel >= maldata->num_tx_chans); + return channel * NUM_TX_BUFF; +} - /* - * This SERR applies to one of the devices on the MAL, here we charge - * it against the first EMAC registered for the MAL. - */ +int mal_rx_bd_offset(struct ibm_ocp_mal *mal, int channel) +{ + struct ocp_func_mal_data *maldata = mal->def->additions; + BUG_ON(channel < 0 || channel >= maldata->num_rx_chans); + return maldata->num_tx_chans * NUM_TX_BUFF + channel * NUM_RX_BUFF; +} - mal_error = get_mal_dcrn(mal, DCRN_MALESR); +void mal_enable_tx_channel(struct ibm_ocp_mal *mal, int channel) +{ + local_bh_disable(); + MAL_DBG("%d: enable_tx(%d)" NL, mal->def->index, channel); + set_mal_dcrn(mal, MAL_TXCASR, + get_mal_dcrn(mal, MAL_TXCASR) | MAL_CHAN_MASK(channel)); + local_bh_enable(); +} - printk(KERN_ERR "%s: System Error (MALESR=%lx)\n", - "MAL" /* FIXME: get the name right */ , mal_error); +void mal_disable_tx_channel(struct ibm_ocp_mal *mal, int channel) +{ + set_mal_dcrn(mal, MAL_TXCARR, MAL_CHAN_MASK(channel)); + MAL_DBG("%d: disable_tx(%d)" NL, mal->def->index, channel); +} - /* FIXME: decipher error */ - /* DIXME: distribute to commacs, if possible */ +void mal_enable_rx_channel(struct ibm_ocp_mal *mal, int channel) +{ + local_bh_disable(); + MAL_DBG("%d: enable_rx(%d)" NL, mal->def->index, channel); + set_mal_dcrn(mal, MAL_RXCASR, + get_mal_dcrn(mal, MAL_RXCASR) | MAL_CHAN_MASK(channel)); + local_bh_enable(); +} - /* Clear the error status register */ - set_mal_dcrn(mal, DCRN_MALESR, mal_error); +void mal_disable_rx_channel(struct ibm_ocp_mal *mal, int channel) +{ + set_mal_dcrn(mal, MAL_RXCARR, MAL_CHAN_MASK(channel)); + MAL_DBG("%d: disable_rx(%d)" NL, mal->def->index, channel); +} - return IRQ_HANDLED; +void mal_poll_add(struct ibm_ocp_mal *mal, struct mal_commac *commac) +{ + local_bh_disable(); + MAL_DBG("%d: poll_add(%p)" NL, mal->def->index, commac); + list_add_tail(&commac->poll_list, &mal->poll_list); + local_bh_enable(); } -static irqreturn_t mal_txeob(int irq, void *dev_instance, struct pt_regs *regs) +void mal_poll_del(struct ibm_ocp_mal *mal, struct mal_commac *commac) +{ + local_bh_disable(); + MAL_DBG("%d: poll_del(%p)" NL, mal->def->index, commac); + list_del(&commac->poll_list); + local_bh_enable(); +} + +/* synchronized by mal_poll() */ +static inline void mal_enable_eob_irq(struct ibm_ocp_mal *mal) +{ + MAL_DBG2("%d: enable_irq" NL, mal->def->index); + set_mal_dcrn(mal, MAL_CFG, get_mal_dcrn(mal, MAL_CFG) | MAL_CFG_EOPIE); +} + +/* synchronized by __LINK_STATE_RX_SCHED bit in ndev->state */ +static inline void mal_disable_eob_irq(struct ibm_ocp_mal *mal) +{ + set_mal_dcrn(mal, MAL_CFG, get_mal_dcrn(mal, MAL_CFG) & ~MAL_CFG_EOPIE); + MAL_DBG2("%d: disable_irq" NL, mal->def->index); +} + +static irqreturn_t mal_serr(int irq, void *dev_instance, struct pt_regs *regs) { struct ibm_ocp_mal *mal = dev_instance; - struct list_head *l; - unsigned long isr; + u32 esr = get_mal_dcrn(mal, MAL_ESR); - isr = get_mal_dcrn(mal, DCRN_MALTXEOBISR); - set_mal_dcrn(mal, DCRN_MALTXEOBISR, isr); + /* Clear the error status register */ + set_mal_dcrn(mal, MAL_ESR, esr); - read_lock(&mal_list_lock); - list_for_each(l, &mal->commac) { - struct mal_commac *mc = list_entry(l, struct mal_commac, list); + MAL_DBG("%d: SERR %08x" NL, mal->def->index, esr); - if (isr & mc->tx_chan_mask) { - mc->ops->txeob(mc->dev, isr & mc->tx_chan_mask); + if (esr & MAL_ESR_EVB) { + if (esr & MAL_ESR_DE) { + /* We ignore Descriptor error, + * TXDE or RXDE interrupt will be generated anyway. + */ + return IRQ_HANDLED; } + + if (esr & MAL_ESR_PEIN) { + /* PLB error, it's probably buggy hardware or + * incorrect physical address in BD (i.e. bug) + */ + if (net_ratelimit()) + printk(KERN_ERR + "mal%d: system error, PLB (ESR = 0x%08x)\n", + mal->def->index, esr); + return IRQ_HANDLED; + } + + /* OPB error, it's probably buggy hardware or incorrect EBC setup */ + if (net_ratelimit()) + printk(KERN_ERR + "mal%d: system error, OPB (ESR = 0x%08x)\n", + mal->def->index, esr); } - read_unlock(&mal_list_lock); + return IRQ_HANDLED; +} + +static inline void mal_schedule_poll(struct ibm_ocp_mal *mal) +{ + if (likely(netif_rx_schedule_prep(&mal->poll_dev))) { + MAL_DBG2("%d: schedule_poll" NL, mal->def->index); + mal_disable_eob_irq(mal); + __netif_rx_schedule(&mal->poll_dev); + } else + MAL_DBG2("%d: already in poll" NL, mal->def->index); +} +static irqreturn_t mal_txeob(int irq, void *dev_instance, struct pt_regs *regs) +{ + struct ibm_ocp_mal *mal = dev_instance; + u32 r = get_mal_dcrn(mal, MAL_TXEOBISR); + MAL_DBG2("%d: txeob %08x" NL, mal->def->index, r); + mal_schedule_poll(mal); + set_mal_dcrn(mal, MAL_TXEOBISR, r); return IRQ_HANDLED; } static irqreturn_t mal_rxeob(int irq, void *dev_instance, struct pt_regs *regs) { struct ibm_ocp_mal *mal = dev_instance; - struct list_head *l; - unsigned long isr; + u32 r = get_mal_dcrn(mal, MAL_RXEOBISR); + MAL_DBG2("%d: rxeob %08x" NL, mal->def->index, r); + mal_schedule_poll(mal); + set_mal_dcrn(mal, MAL_RXEOBISR, r); + return IRQ_HANDLED; +} - isr = get_mal_dcrn(mal, DCRN_MALRXEOBISR); - set_mal_dcrn(mal, DCRN_MALRXEOBISR, isr); +static irqreturn_t mal_txde(int irq, void *dev_instance, struct pt_regs *regs) +{ + struct ibm_ocp_mal *mal = dev_instance; + u32 deir = get_mal_dcrn(mal, MAL_TXDEIR); + set_mal_dcrn(mal, MAL_TXDEIR, deir); - read_lock(&mal_list_lock); - list_for_each(l, &mal->commac) { - struct mal_commac *mc = list_entry(l, struct mal_commac, list); + MAL_DBG("%d: txde %08x" NL, mal->def->index, deir); - if (isr & mc->rx_chan_mask) { - mc->ops->rxeob(mc->dev, isr & mc->rx_chan_mask); - } - } - read_unlock(&mal_list_lock); + if (net_ratelimit()) + printk(KERN_ERR + "mal%d: TX descriptor error (TXDEIR = 0x%08x)\n", + mal->def->index, deir); return IRQ_HANDLED; } -static irqreturn_t mal_txde(int irq, void *dev_instance, struct pt_regs *regs) +static irqreturn_t mal_rxde(int irq, void *dev_instance, struct pt_regs *regs) { struct ibm_ocp_mal *mal = dev_instance; struct list_head *l; - unsigned long deir; + u32 deir = get_mal_dcrn(mal, MAL_RXDEIR); - deir = get_mal_dcrn(mal, DCRN_MALTXDEIR); + MAL_DBG("%d: rxde %08x" NL, mal->def->index, deir); - /* FIXME: print which MAL correctly */ - printk(KERN_WARNING "%s: Tx descriptor error (MALTXDEIR=%lx)\n", - "MAL", deir); - - read_lock(&mal_list_lock); - list_for_each(l, &mal->commac) { + list_for_each(l, &mal->list) { struct mal_commac *mc = list_entry(l, struct mal_commac, list); - - if (deir & mc->tx_chan_mask) { - mc->ops->txde(mc->dev, deir & mc->tx_chan_mask); + if (deir & mc->rx_chan_mask) { + mc->rx_stopped = 1; + mc->ops->rxde(mc->dev); } } - read_unlock(&mal_list_lock); + + mal_schedule_poll(mal); + set_mal_dcrn(mal, MAL_RXDEIR, deir); return IRQ_HANDLED; } -/* - * This interrupt should be very rare at best. This occurs when - * the hardware has a problem with the receive descriptors. The manual - * states that it occurs when the hardware cannot the receive descriptor - * empty bit is not set. The recovery mechanism will be to - * traverse through the descriptors, handle any that are marked to be - * handled and reinitialize each along the way. At that point the driver - * will be restarted. - */ -static irqreturn_t mal_rxde(int irq, void *dev_instance, struct pt_regs *regs) +static int mal_poll(struct net_device *ndev, int *budget) { - struct ibm_ocp_mal *mal = dev_instance; + struct ibm_ocp_mal *mal = ndev->priv; struct list_head *l; - unsigned long deir; - - deir = get_mal_dcrn(mal, DCRN_MALRXDEIR); + int rx_work_limit = min(ndev->quota, *budget), received = 0, done; + + MAL_DBG2("%d: poll(%d) %d ->" NL, mal->def->index, *budget, + rx_work_limit); + again: + /* Process TX skbs */ + list_for_each(l, &mal->poll_list) { + struct mal_commac *mc = + list_entry(l, struct mal_commac, poll_list); + mc->ops->poll_tx(mc->dev); + } - /* - * This really is needed. This case encountered in stress testing. + /* Process RX skbs. + * We _might_ need something more smart here to enforce polling fairness. */ - if (deir == 0) - return IRQ_HANDLED; - - /* FIXME: print which MAL correctly */ - printk(KERN_WARNING "%s: Rx descriptor error (MALRXDEIR=%lx)\n", - "MAL", deir); - - read_lock(&mal_list_lock); - list_for_each(l, &mal->commac) { - struct mal_commac *mc = list_entry(l, struct mal_commac, list); + list_for_each(l, &mal->poll_list) { + struct mal_commac *mc = + list_entry(l, struct mal_commac, poll_list); + int n = mc->ops->poll_rx(mc->dev, rx_work_limit); + if (n) { + received += n; + rx_work_limit -= n; + if (rx_work_limit <= 0) { + done = 0; + goto more_work; // XXX What if this is the last one ? + } + } + } - if (deir & mc->rx_chan_mask) { - mc->ops->rxde(mc->dev, deir & mc->rx_chan_mask); + /* We need to disable IRQs to protect from RXDE IRQ here */ + local_irq_disable(); + __netif_rx_complete(ndev); + mal_enable_eob_irq(mal); + local_irq_enable(); + + done = 1; + + /* Check for "rotting" packet(s) */ + list_for_each(l, &mal->poll_list) { + struct mal_commac *mc = + list_entry(l, struct mal_commac, poll_list); + if (unlikely(mc->ops->peek_rx(mc->dev) || mc->rx_stopped)) { + MAL_DBG2("%d: rotting packet" NL, mal->def->index); + if (netif_rx_reschedule(ndev, received)) + mal_disable_eob_irq(mal); + else + MAL_DBG2("%d: already in poll list" NL, + mal->def->index); + + if (rx_work_limit > 0) + goto again; + else + goto more_work; } + mc->ops->poll_tx(mc->dev); } - read_unlock(&mal_list_lock); - return IRQ_HANDLED; + more_work: + ndev->quota -= received; + *budget -= received; + + MAL_DBG2("%d: poll() %d <- %d" NL, mal->def->index, *budget, + done ? 0 : 1); + return done ? 0 : 1; +} + +static void mal_reset(struct ibm_ocp_mal *mal) +{ + int n = 10; + MAL_DBG("%d: reset" NL, mal->def->index); + + set_mal_dcrn(mal, MAL_CFG, MAL_CFG_SR); + + /* Wait for reset to complete (1 system clock) */ + while ((get_mal_dcrn(mal, MAL_CFG) & MAL_CFG_SR) && n) + --n; + + if (unlikely(!n)) + printk(KERN_ERR "mal%d: reset timeout\n", mal->def->index); +} + +int mal_get_regs_len(struct ibm_ocp_mal *mal) +{ + return sizeof(struct emac_ethtool_regs_subhdr) + + sizeof(struct ibm_mal_regs); +} + +void *mal_dump_regs(struct ibm_ocp_mal *mal, void *buf) +{ + struct emac_ethtool_regs_subhdr *hdr = buf; + struct ibm_mal_regs *regs = (struct ibm_mal_regs *)(hdr + 1); + struct ocp_func_mal_data *maldata = mal->def->additions; + int i; + + hdr->version = MAL_VERSION; + hdr->index = mal->def->index; + + regs->tx_count = maldata->num_tx_chans; + regs->rx_count = maldata->num_rx_chans; + + regs->cfg = get_mal_dcrn(mal, MAL_CFG); + regs->esr = get_mal_dcrn(mal, MAL_ESR); + regs->ier = get_mal_dcrn(mal, MAL_IER); + regs->tx_casr = get_mal_dcrn(mal, MAL_TXCASR); + regs->tx_carr = get_mal_dcrn(mal, MAL_TXCARR); + regs->tx_eobisr = get_mal_dcrn(mal, MAL_TXEOBISR); + regs->tx_deir = get_mal_dcrn(mal, MAL_TXDEIR); + regs->rx_casr = get_mal_dcrn(mal, MAL_RXCASR); + regs->rx_carr = get_mal_dcrn(mal, MAL_RXCARR); + regs->rx_eobisr = get_mal_dcrn(mal, MAL_RXEOBISR); + regs->rx_deir = get_mal_dcrn(mal, MAL_RXDEIR); + + for (i = 0; i < regs->tx_count; ++i) + regs->tx_ctpr[i] = get_mal_dcrn(mal, MAL_TXCTPR(i)); + + for (i = 0; i < regs->rx_count; ++i) { + regs->rx_ctpr[i] = get_mal_dcrn(mal, MAL_RXCTPR(i)); + regs->rcbs[i] = get_mal_dcrn(mal, MAL_RCBS(i)); + } + return regs + 1; } static int __init mal_probe(struct ocp_device *ocpdev) { - struct ibm_ocp_mal *mal = NULL; + struct ibm_ocp_mal *mal; struct ocp_func_mal_data *maldata; - int err = 0; + int err = 0, i, bd_size; + + MAL_DBG("%d: probe" NL, ocpdev->def->index); - maldata = (struct ocp_func_mal_data *)ocpdev->def->additions; + maldata = ocpdev->def->additions; if (maldata == NULL) { - printk(KERN_ERR "mal%d: Missing additional datas !\n", + printk(KERN_ERR "mal%d: missing additional data!\n", ocpdev->def->index); return -ENODEV; } - mal = kmalloc(sizeof(struct ibm_ocp_mal), GFP_KERNEL); - if (mal == NULL) { + mal = kzalloc(sizeof(struct ibm_ocp_mal), GFP_KERNEL); + if (!mal) { printk(KERN_ERR - "mal%d: Out of memory allocating MAL structure !\n", + "mal%d: out of memory allocating MAL structure!\n", ocpdev->def->index); return -ENOMEM; } - memset(mal, 0, sizeof(*mal)); - - switch (ocpdev->def->index) { - case 0: - mal->dcrbase = DCRN_MAL_BASE; - break; -#ifdef DCRN_MAL1_BASE - case 1: - mal->dcrbase = DCRN_MAL1_BASE; - break; -#endif - default: - BUG(); - } - - /**************************/ + mal->dcrbase = maldata->dcr_base; + mal->def = ocpdev->def; - INIT_LIST_HEAD(&mal->commac); + INIT_LIST_HEAD(&mal->poll_list); + set_bit(__LINK_STATE_START, &mal->poll_dev.state); + mal->poll_dev.weight = CONFIG_IBM_EMAC_POLL_WEIGHT; + mal->poll_dev.poll = mal_poll; + mal->poll_dev.priv = mal; + atomic_set(&mal->poll_dev.refcnt, 1); - set_mal_dcrn(mal, DCRN_MALRXCARR, 0xFFFFFFFF); - set_mal_dcrn(mal, DCRN_MALTXCARR, 0xFFFFFFFF); + INIT_LIST_HEAD(&mal->list); - set_mal_dcrn(mal, DCRN_MALCR, MALCR_MMSR); /* 384 */ - /* FIXME: Add delay */ + /* Load power-on reset defaults */ + mal_reset(mal); /* Set the MAL configuration register */ - set_mal_dcrn(mal, DCRN_MALCR, - MALCR_PLBB | MALCR_OPBBL | MALCR_LEA | - MALCR_PLBLT_DEFAULT); - - /* It would be nice to allocate buffers separately for each - * channel, but we can't because the channels share the upper - * 13 bits of address lines. Each channels buffer must also - * be 4k aligned, so we allocate 4k for each channel. This is - * inefficient FIXME: do better, if possible */ - mal->tx_virt_addr = dma_alloc_coherent(&ocpdev->dev, - MAL_DT_ALIGN * - maldata->num_tx_chans, - &mal->tx_phys_addr, GFP_KERNEL); - if (mal->tx_virt_addr == NULL) { + set_mal_dcrn(mal, MAL_CFG, MAL_CFG_DEFAULT | MAL_CFG_PLBB | + MAL_CFG_OPBBL | MAL_CFG_LEA); + + mal_enable_eob_irq(mal); + + /* Allocate space for BD rings */ + BUG_ON(maldata->num_tx_chans <= 0 || maldata->num_tx_chans > 32); + BUG_ON(maldata->num_rx_chans <= 0 || maldata->num_rx_chans > 32); + bd_size = sizeof(struct mal_descriptor) * + (NUM_TX_BUFF * maldata->num_tx_chans + + NUM_RX_BUFF * maldata->num_rx_chans); + mal->bd_virt = + dma_alloc_coherent(&ocpdev->dev, bd_size, &mal->bd_dma, GFP_KERNEL); + + if (!mal->bd_virt) { printk(KERN_ERR - "mal%d: Out of memory allocating MAL descriptors !\n", - ocpdev->def->index); + "mal%d: out of memory allocating RX/TX descriptors!\n", + mal->def->index); err = -ENOMEM; goto fail; } + memset(mal->bd_virt, 0, bd_size); - /* God, oh, god, I hate DCRs */ - set_mal_dcrn(mal, DCRN_MALTXCTP0R, mal->tx_phys_addr); -#ifdef DCRN_MALTXCTP1R - if (maldata->num_tx_chans > 1) - set_mal_dcrn(mal, DCRN_MALTXCTP1R, - mal->tx_phys_addr + MAL_DT_ALIGN); -#endif /* DCRN_MALTXCTP1R */ -#ifdef DCRN_MALTXCTP2R - if (maldata->num_tx_chans > 2) - set_mal_dcrn(mal, DCRN_MALTXCTP2R, - mal->tx_phys_addr + 2 * MAL_DT_ALIGN); -#endif /* DCRN_MALTXCTP2R */ -#ifdef DCRN_MALTXCTP3R - if (maldata->num_tx_chans > 3) - set_mal_dcrn(mal, DCRN_MALTXCTP3R, - mal->tx_phys_addr + 3 * MAL_DT_ALIGN); -#endif /* DCRN_MALTXCTP3R */ -#ifdef DCRN_MALTXCTP4R - if (maldata->num_tx_chans > 4) - set_mal_dcrn(mal, DCRN_MALTXCTP4R, - mal->tx_phys_addr + 4 * MAL_DT_ALIGN); -#endif /* DCRN_MALTXCTP4R */ -#ifdef DCRN_MALTXCTP5R - if (maldata->num_tx_chans > 5) - set_mal_dcrn(mal, DCRN_MALTXCTP5R, - mal->tx_phys_addr + 5 * MAL_DT_ALIGN); -#endif /* DCRN_MALTXCTP5R */ -#ifdef DCRN_MALTXCTP6R - if (maldata->num_tx_chans > 6) - set_mal_dcrn(mal, DCRN_MALTXCTP6R, - mal->tx_phys_addr + 6 * MAL_DT_ALIGN); -#endif /* DCRN_MALTXCTP6R */ -#ifdef DCRN_MALTXCTP7R - if (maldata->num_tx_chans > 7) - set_mal_dcrn(mal, DCRN_MALTXCTP7R, - mal->tx_phys_addr + 7 * MAL_DT_ALIGN); -#endif /* DCRN_MALTXCTP7R */ - - mal->rx_virt_addr = dma_alloc_coherent(&ocpdev->dev, - MAL_DT_ALIGN * - maldata->num_rx_chans, - &mal->rx_phys_addr, GFP_KERNEL); - - set_mal_dcrn(mal, DCRN_MALRXCTP0R, mal->rx_phys_addr); -#ifdef DCRN_MALRXCTP1R - if (maldata->num_rx_chans > 1) - set_mal_dcrn(mal, DCRN_MALRXCTP1R, - mal->rx_phys_addr + MAL_DT_ALIGN); -#endif /* DCRN_MALRXCTP1R */ -#ifdef DCRN_MALRXCTP2R - if (maldata->num_rx_chans > 2) - set_mal_dcrn(mal, DCRN_MALRXCTP2R, - mal->rx_phys_addr + 2 * MAL_DT_ALIGN); -#endif /* DCRN_MALRXCTP2R */ -#ifdef DCRN_MALRXCTP3R - if (maldata->num_rx_chans > 3) - set_mal_dcrn(mal, DCRN_MALRXCTP3R, - mal->rx_phys_addr + 3 * MAL_DT_ALIGN); -#endif /* DCRN_MALRXCTP3R */ + for (i = 0; i < maldata->num_tx_chans; ++i) + set_mal_dcrn(mal, MAL_TXCTPR(i), mal->bd_dma + + sizeof(struct mal_descriptor) * + mal_tx_bd_offset(mal, i)); + + for (i = 0; i < maldata->num_rx_chans; ++i) + set_mal_dcrn(mal, MAL_RXCTPR(i), mal->bd_dma + + sizeof(struct mal_descriptor) * + mal_rx_bd_offset(mal, i)); err = request_irq(maldata->serr_irq, mal_serr, 0, "MAL SERR", mal); if (err) - goto fail; - err = request_irq(maldata->txde_irq, mal_txde, 0, "MAL TX DE ", mal); + goto fail2; + err = request_irq(maldata->txde_irq, mal_txde, 0, "MAL TX DE", mal); if (err) - goto fail; + goto fail3; err = request_irq(maldata->txeob_irq, mal_txeob, 0, "MAL TX EOB", mal); if (err) - goto fail; + goto fail4; err = request_irq(maldata->rxde_irq, mal_rxde, 0, "MAL RX DE", mal); if (err) - goto fail; + goto fail5; err = request_irq(maldata->rxeob_irq, mal_rxeob, 0, "MAL RX EOB", mal); if (err) - goto fail; + goto fail6; - set_mal_dcrn(mal, DCRN_MALIER, - MALIER_DE | MALIER_NE | MALIER_TE | - MALIER_OPBE | MALIER_PLBE); + /* Enable all MAL SERR interrupt sources */ + set_mal_dcrn(mal, MAL_IER, MAL_IER_EVENTS); - /* Advertise me to the rest of the world */ + /* Advertise this instance to the rest of the world */ ocp_set_drvdata(ocpdev, mal); - printk(KERN_INFO "mal%d: Initialized, %d tx channels, %d rx channels\n", - ocpdev->def->index, maldata->num_tx_chans, - maldata->num_rx_chans); + mal_dbg_register(mal->def->index, mal); + printk(KERN_INFO "mal%d: initialized, %d TX channels, %d RX channels\n", + mal->def->index, maldata->num_tx_chans, maldata->num_rx_chans); return 0; + fail6: + free_irq(maldata->rxde_irq, mal); + fail5: + free_irq(maldata->txeob_irq, mal); + fail4: + free_irq(maldata->txde_irq, mal); + fail3: + free_irq(maldata->serr_irq, mal); + fail2: + dma_free_coherent(&ocpdev->dev, bd_size, mal->bd_virt, mal->bd_dma); fail: - /* FIXME: dispose requested IRQs ! */ - if (err && mal) - kfree(mal); + kfree(mal); return err; } static void __exit mal_remove(struct ocp_device *ocpdev) { struct ibm_ocp_mal *mal = ocp_get_drvdata(ocpdev); - struct ocp_func_mal_data *maldata = ocpdev->def->additions; + struct ocp_func_mal_data *maldata = mal->def->additions; + + MAL_DBG("%d: remove" NL, mal->def->index); - BUG_ON(!maldata); + /* Syncronize with scheduled polling, + stolen from net/core/dev.c:dev_close() + */ + clear_bit(__LINK_STATE_START, &mal->poll_dev.state); + netif_poll_disable(&mal->poll_dev); + + if (!list_empty(&mal->list)) { + /* This is *very* bad */ + printk(KERN_EMERG + "mal%d: commac list is not empty on remove!\n", + mal->def->index); + } ocp_set_drvdata(ocpdev, NULL); - /* FIXME: shut down the MAL, deal with dependency with emac */ free_irq(maldata->serr_irq, mal); free_irq(maldata->txde_irq, mal); free_irq(maldata->txeob_irq, mal); free_irq(maldata->rxde_irq, mal); free_irq(maldata->rxeob_irq, mal); - if (mal->tx_virt_addr) - dma_free_coherent(&ocpdev->dev, - MAL_DT_ALIGN * maldata->num_tx_chans, - mal->tx_virt_addr, mal->tx_phys_addr); + mal_reset(mal); - if (mal->rx_virt_addr) - dma_free_coherent(&ocpdev->dev, - MAL_DT_ALIGN * maldata->num_rx_chans, - mal->rx_virt_addr, mal->rx_phys_addr); + mal_dbg_register(mal->def->index, NULL); + + dma_free_coherent(&ocpdev->dev, + sizeof(struct mal_descriptor) * + (NUM_TX_BUFF * maldata->num_tx_chans + + NUM_RX_BUFF * maldata->num_rx_chans), mal->bd_virt, + mal->bd_dma); kfree(mal); } /* Structure for a device driver */ static struct ocp_device_id mal_ids[] = { - {.vendor = OCP_ANY_ID,.function = OCP_FUNC_MAL}, - {.vendor = OCP_VENDOR_INVALID} + { .vendor = OCP_VENDOR_IBM, .function = OCP_FUNC_MAL }, + { .vendor = OCP_VENDOR_INVALID} }; static struct ocp_driver mal_driver = { @@ -441,23 +570,14 @@ static struct ocp_driver mal_driver = { .remove = mal_remove, }; -static int __init init_mals(void) +int __init mal_init(void) { - int rc; - - rc = ocp_register_driver(&mal_driver); - if (rc < 0) { - ocp_unregister_driver(&mal_driver); - return -ENODEV; - } - - return 0; + MAL_DBG(": init" NL); + return ocp_register_driver(&mal_driver); } -static void __exit exit_mals(void) +void __exit mal_exit(void) { + MAL_DBG(": exit" NL); ocp_unregister_driver(&mal_driver); } - -module_init(init_mals); -module_exit(exit_mals); diff --git a/drivers/net/ibm_emac/ibm_emac_mal.h b/drivers/net/ibm_emac/ibm_emac_mal.h index dd9f0dabc6e0..15b0bdae26ac 100644 --- a/drivers/net/ibm_emac/ibm_emac_mal.h +++ b/drivers/net/ibm_emac/ibm_emac_mal.h @@ -1,131 +1,267 @@ -#ifndef _IBM_EMAC_MAL_H -#define _IBM_EMAC_MAL_H +/* + * drivers/net/ibm_emac/ibm_emac_mal.h + * + * Memory Access Layer (MAL) support + * + * Copyright (c) 2004, 2005 Zultys Technologies. + * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> + * + * Based on original work by + * Armin Kuster <akuster@mvista.com> + * Copyright 2002 MontaVista Softare Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ +#ifndef __IBM_EMAC_MAL_H_ +#define __IBM_EMAC_MAL_H_ +#include <linux/config.h> +#include <linux/init.h> #include <linux/list.h> +#include <linux/netdevice.h> -#define MAL_DT_ALIGN (4096) /* Alignment for each channel's descriptor table */ +#include <asm/io.h> -#define MAL_CHAN_MASK(chan) (0x80000000 >> (chan)) +/* + * These MAL "versions" probably aren't the real versions IBM uses for these + * MAL cores, I assigned them just to make #ifdefs in this file nicer and + * reflect the fact that 40x and 44x have slightly different MALs. --ebs + */ +#if defined(CONFIG_405GP) || defined(CONFIG_405GPR) || defined(CONFIG_405EP) || \ + defined(CONFIG_440EP) || defined(CONFIG_NP405H) +#define MAL_VERSION 1 +#elif defined(CONFIG_440GP) || defined(CONFIG_440GX) || defined(CONFIG_440SP) +#define MAL_VERSION 2 +#else +#error "Unknown SoC, please check chip manual and choose MAL 'version'" +#endif + +/* MALx DCR registers */ +#define MAL_CFG 0x00 +#define MAL_CFG_SR 0x80000000 +#define MAL_CFG_PLBB 0x00004000 +#define MAL_CFG_OPBBL 0x00000080 +#define MAL_CFG_EOPIE 0x00000004 +#define MAL_CFG_LEA 0x00000002 +#define MAL_CFG_SD 0x00000001 +#if MAL_VERSION == 1 +#define MAL_CFG_PLBP_MASK 0x00c00000 +#define MAL_CFG_PLBP_10 0x00800000 +#define MAL_CFG_GA 0x00200000 +#define MAL_CFG_OA 0x00100000 +#define MAL_CFG_PLBLE 0x00080000 +#define MAL_CFG_PLBT_MASK 0x00078000 +#define MAL_CFG_DEFAULT (MAL_CFG_PLBP_10 | MAL_CFG_PLBT_MASK) +#elif MAL_VERSION == 2 +#define MAL_CFG_RPP_MASK 0x00c00000 +#define MAL_CFG_RPP_10 0x00800000 +#define MAL_CFG_RMBS_MASK 0x00300000 +#define MAL_CFG_WPP_MASK 0x000c0000 +#define MAL_CFG_WPP_10 0x00080000 +#define MAL_CFG_WMBS_MASK 0x00030000 +#define MAL_CFG_PLBLE 0x00008000 +#define MAL_CFG_DEFAULT (MAL_CFG_RMBS_MASK | MAL_CFG_WMBS_MASK | \ + MAL_CFG_RPP_10 | MAL_CFG_WPP_10) +#else +#error "Unknown MAL version" +#endif + +#define MAL_ESR 0x01 +#define MAL_ESR_EVB 0x80000000 +#define MAL_ESR_CIDT 0x40000000 +#define MAL_ESR_CID_MASK 0x3e000000 +#define MAL_ESR_CID_SHIFT 25 +#define MAL_ESR_DE 0x00100000 +#define MAL_ESR_OTE 0x00040000 +#define MAL_ESR_OSE 0x00020000 +#define MAL_ESR_PEIN 0x00010000 +#define MAL_ESR_DEI 0x00000010 +#define MAL_ESR_OTEI 0x00000004 +#define MAL_ESR_OSEI 0x00000002 +#define MAL_ESR_PBEI 0x00000001 +#if MAL_VERSION == 1 +#define MAL_ESR_ONE 0x00080000 +#define MAL_ESR_ONEI 0x00000008 +#elif MAL_VERSION == 2 +#define MAL_ESR_PTE 0x00800000 +#define MAL_ESR_PRE 0x00400000 +#define MAL_ESR_PWE 0x00200000 +#define MAL_ESR_PTEI 0x00000080 +#define MAL_ESR_PREI 0x00000040 +#define MAL_ESR_PWEI 0x00000020 +#else +#error "Unknown MAL version" +#endif + +#define MAL_IER 0x02 +#define MAL_IER_DE 0x00000010 +#define MAL_IER_OTE 0x00000004 +#define MAL_IER_OE 0x00000002 +#define MAL_IER_PE 0x00000001 +#if MAL_VERSION == 1 +#define MAL_IER_NWE 0x00000008 +#define MAL_IER_SOC_EVENTS MAL_IER_NWE +#elif MAL_VERSION == 2 +#define MAL_IER_PT 0x00000080 +#define MAL_IER_PRE 0x00000040 +#define MAL_IER_PWE 0x00000020 +#define MAL_IER_SOC_EVENTS (MAL_IER_PT | MAL_IER_PRE | MAL_IER_PWE) +#else +#error "Unknown MAL version" +#endif +#define MAL_IER_EVENTS (MAL_IER_SOC_EVENTS | MAL_IER_OTE | \ + MAL_IER_OTE | MAL_IER_OE | MAL_IER_PE) + +#define MAL_TXCASR 0x04 +#define MAL_TXCARR 0x05 +#define MAL_TXEOBISR 0x06 +#define MAL_TXDEIR 0x07 +#define MAL_RXCASR 0x10 +#define MAL_RXCARR 0x11 +#define MAL_RXEOBISR 0x12 +#define MAL_RXDEIR 0x13 +#define MAL_TXCTPR(n) ((n) + 0x20) +#define MAL_RXCTPR(n) ((n) + 0x40) +#define MAL_RCBS(n) ((n) + 0x60) + +/* In reality MAL can handle TX buffers up to 4095 bytes long, + * but this isn't a good round number :) --ebs + */ +#define MAL_MAX_TX_SIZE 4080 +#define MAL_MAX_RX_SIZE 4080 + +static inline int mal_rx_size(int len) +{ + len = (len + 0xf) & ~0xf; + return len > MAL_MAX_RX_SIZE ? MAL_MAX_RX_SIZE : len; +} + +static inline int mal_tx_chunks(int len) +{ + return (len + MAL_MAX_TX_SIZE - 1) / MAL_MAX_TX_SIZE; +} + +#define MAL_CHAN_MASK(n) (0x80000000 >> (n)) /* MAL Buffer Descriptor structure */ struct mal_descriptor { - unsigned short ctrl; /* MAL / Commac status control bits */ - short data_len; /* Max length is 4K-1 (12 bits) */ - unsigned char *data_ptr; /* pointer to actual data buffer */ -} __attribute__ ((packed)); + u16 ctrl; /* MAL / Commac status control bits */ + u16 data_len; /* Max length is 4K-1 (12 bits) */ + u32 data_ptr; /* pointer to actual data buffer */ +}; /* the following defines are for the MadMAL status and control registers. */ /* MADMAL transmit and receive status/control bits */ -#define MAL_RX_CTRL_EMPTY 0x8000 -#define MAL_RX_CTRL_WRAP 0x4000 -#define MAL_RX_CTRL_CM 0x2000 -#define MAL_RX_CTRL_LAST 0x1000 -#define MAL_RX_CTRL_FIRST 0x0800 -#define MAL_RX_CTRL_INTR 0x0400 - -#define MAL_TX_CTRL_READY 0x8000 -#define MAL_TX_CTRL_WRAP 0x4000 -#define MAL_TX_CTRL_CM 0x2000 -#define MAL_TX_CTRL_LAST 0x1000 -#define MAL_TX_CTRL_INTR 0x0400 +#define MAL_RX_CTRL_EMPTY 0x8000 +#define MAL_RX_CTRL_WRAP 0x4000 +#define MAL_RX_CTRL_CM 0x2000 +#define MAL_RX_CTRL_LAST 0x1000 +#define MAL_RX_CTRL_FIRST 0x0800 +#define MAL_RX_CTRL_INTR 0x0400 +#define MAL_RX_CTRL_SINGLE (MAL_RX_CTRL_LAST | MAL_RX_CTRL_FIRST) +#define MAL_IS_SINGLE_RX(ctrl) (((ctrl) & MAL_RX_CTRL_SINGLE) == MAL_RX_CTRL_SINGLE) + +#define MAL_TX_CTRL_READY 0x8000 +#define MAL_TX_CTRL_WRAP 0x4000 +#define MAL_TX_CTRL_CM 0x2000 +#define MAL_TX_CTRL_LAST 0x1000 +#define MAL_TX_CTRL_INTR 0x0400 struct mal_commac_ops { - void (*txeob) (void *dev, u32 chanmask); - void (*txde) (void *dev, u32 chanmask); - void (*rxeob) (void *dev, u32 chanmask); - void (*rxde) (void *dev, u32 chanmask); + void (*poll_tx) (void *dev); + int (*poll_rx) (void *dev, int budget); + int (*peek_rx) (void *dev); + void (*rxde) (void *dev); }; struct mal_commac { - struct mal_commac_ops *ops; - void *dev; - u32 tx_chan_mask, rx_chan_mask; - struct list_head list; + struct mal_commac_ops *ops; + void *dev; + struct list_head poll_list; + int rx_stopped; + + u32 tx_chan_mask; + u32 rx_chan_mask; + struct list_head list; }; struct ibm_ocp_mal { - int dcrbase; + int dcrbase; - struct list_head commac; - u32 tx_chan_mask, rx_chan_mask; + struct list_head poll_list; + struct net_device poll_dev; - dma_addr_t tx_phys_addr; - struct mal_descriptor *tx_virt_addr; + struct list_head list; + u32 tx_chan_mask; + u32 rx_chan_mask; - dma_addr_t rx_phys_addr; - struct mal_descriptor *rx_virt_addr; -}; + dma_addr_t bd_dma; + struct mal_descriptor *bd_virt; -#define GET_MAL_STANZA(base,dcrn) \ - case base: \ - x = mfdcr(dcrn(base)); \ - break; - -#define SET_MAL_STANZA(base,dcrn, val) \ - case base: \ - mtdcr(dcrn(base), (val)); \ - break; - -#define GET_MAL0_STANZA(dcrn) GET_MAL_STANZA(DCRN_MAL_BASE,dcrn) -#define SET_MAL0_STANZA(dcrn,val) SET_MAL_STANZA(DCRN_MAL_BASE,dcrn,val) - -#ifdef DCRN_MAL1_BASE -#define GET_MAL1_STANZA(dcrn) GET_MAL_STANZA(DCRN_MAL1_BASE,dcrn) -#define SET_MAL1_STANZA(dcrn,val) SET_MAL_STANZA(DCRN_MAL1_BASE,dcrn,val) -#else /* ! DCRN_MAL1_BASE */ -#define GET_MAL1_STANZA(dcrn) -#define SET_MAL1_STANZA(dcrn,val) -#endif + struct ocp_def *def; +}; -#define get_mal_dcrn(mal, dcrn) ({ \ - u32 x; \ - switch ((mal)->dcrbase) { \ - GET_MAL0_STANZA(dcrn) \ - GET_MAL1_STANZA(dcrn) \ - default: \ - x = 0; \ - BUG(); \ - } \ -x; }) - -#define set_mal_dcrn(mal, dcrn, val) do { \ - switch ((mal)->dcrbase) { \ - SET_MAL0_STANZA(dcrn,val) \ - SET_MAL1_STANZA(dcrn,val) \ - default: \ - BUG(); \ - } } while (0) - -static inline void mal_enable_tx_channels(struct ibm_ocp_mal *mal, u32 chanmask) +static inline u32 get_mal_dcrn(struct ibm_ocp_mal *mal, int reg) { - set_mal_dcrn(mal, DCRN_MALTXCASR, - get_mal_dcrn(mal, DCRN_MALTXCASR) | chanmask); + return mfdcr(mal->dcrbase + reg); } -static inline void mal_disable_tx_channels(struct ibm_ocp_mal *mal, - u32 chanmask) +static inline void set_mal_dcrn(struct ibm_ocp_mal *mal, int reg, u32 val) { - set_mal_dcrn(mal, DCRN_MALTXCARR, chanmask); + mtdcr(mal->dcrbase + reg, val); } -static inline void mal_enable_rx_channels(struct ibm_ocp_mal *mal, u32 chanmask) -{ - set_mal_dcrn(mal, DCRN_MALRXCASR, - get_mal_dcrn(mal, DCRN_MALRXCASR) | chanmask); -} +/* Register MAL devices */ +int mal_init(void) __init; +void mal_exit(void) __exit; -static inline void mal_disable_rx_channels(struct ibm_ocp_mal *mal, - u32 chanmask) -{ - set_mal_dcrn(mal, DCRN_MALRXCARR, chanmask); -} +int mal_register_commac(struct ibm_ocp_mal *mal, + struct mal_commac *commac) __init; +void mal_unregister_commac(struct ibm_ocp_mal *mal, + struct mal_commac *commac) __exit; +int mal_set_rcbs(struct ibm_ocp_mal *mal, int channel, unsigned long size); + +/* Returns BD ring offset for a particular channel + (in 'struct mal_descriptor' elements) +*/ +int mal_tx_bd_offset(struct ibm_ocp_mal *mal, int channel); +int mal_rx_bd_offset(struct ibm_ocp_mal *mal, int channel); + +void mal_enable_tx_channel(struct ibm_ocp_mal *mal, int channel); +void mal_disable_tx_channel(struct ibm_ocp_mal *mal, int channel); +void mal_enable_rx_channel(struct ibm_ocp_mal *mal, int channel); +void mal_disable_rx_channel(struct ibm_ocp_mal *mal, int channel); -extern int mal_register_commac(struct ibm_ocp_mal *mal, - struct mal_commac *commac); -extern int mal_unregister_commac(struct ibm_ocp_mal *mal, - struct mal_commac *commac); +/* Add/remove EMAC to/from MAL polling list */ +void mal_poll_add(struct ibm_ocp_mal *mal, struct mal_commac *commac); +void mal_poll_del(struct ibm_ocp_mal *mal, struct mal_commac *commac); + +/* Ethtool MAL registers */ +struct ibm_mal_regs { + u32 tx_count; + u32 rx_count; + + u32 cfg; + u32 esr; + u32 ier; + u32 tx_casr; + u32 tx_carr; + u32 tx_eobisr; + u32 tx_deir; + u32 rx_casr; + u32 rx_carr; + u32 rx_eobisr; + u32 rx_deir; + u32 tx_ctpr[32]; + u32 rx_ctpr[32]; + u32 rcbs[32]; +}; -extern int mal_set_rcbs(struct ibm_ocp_mal *mal, int channel, - unsigned long size); +int mal_get_regs_len(struct ibm_ocp_mal *mal); +void *mal_dump_regs(struct ibm_ocp_mal *mal, void *buf); -#endif /* _IBM_EMAC_MAL_H */ +#endif /* __IBM_EMAC_MAL_H_ */ diff --git a/drivers/net/ibm_emac/ibm_emac_phy.c b/drivers/net/ibm_emac/ibm_emac_phy.c index 14213f090e91..a27e49cfe43b 100644 --- a/drivers/net/ibm_emac/ibm_emac_phy.c +++ b/drivers/net/ibm_emac/ibm_emac_phy.c @@ -1,96 +1,80 @@ /* - * ibm_ocp_phy.c + * drivers/net/ibm_emac/ibm_emac_phy.c * - * PHY drivers for the ibm ocp ethernet driver. Borrowed - * from sungem_phy.c, though I only kept the generic MII + * Driver for PowerPC 4xx on-chip ethernet controller, PHY support. + * Borrowed from sungem_phy.c, though I only kept the generic MII * driver for now. * * This file should be shared with other drivers or eventually * merged as the "low level" part of miilib * * (c) 2003, Benjamin Herrenscmidt (benh@kernel.crashing.org) + * (c) 2004-2005, Eugene Surovegin <ebs@ebshome.net> * */ - #include <linux/config.h> - #include <linux/module.h> - #include <linux/kernel.h> -#include <linux/sched.h> #include <linux/types.h> #include <linux/netdevice.h> -#include <linux/etherdevice.h> #include <linux/mii.h> #include <linux/ethtool.h> #include <linux/delay.h> +#include <asm/ocp.h> + #include "ibm_emac_phy.h" -static int reset_one_mii_phy(struct mii_phy *phy, int phy_id) +static inline int phy_read(struct mii_phy *phy, int reg) +{ + return phy->mdio_read(phy->dev, phy->address, reg); +} + +static inline void phy_write(struct mii_phy *phy, int reg, int val) { - u16 val; + phy->mdio_write(phy->dev, phy->address, reg, val); +} + +int mii_reset_phy(struct mii_phy *phy) +{ + int val; int limit = 10000; - val = __phy_read(phy, phy_id, MII_BMCR); + val = phy_read(phy, MII_BMCR); val &= ~BMCR_ISOLATE; val |= BMCR_RESET; - __phy_write(phy, phy_id, MII_BMCR, val); + phy_write(phy, MII_BMCR, val); - udelay(100); + udelay(300); while (limit--) { - val = __phy_read(phy, phy_id, MII_BMCR); - if ((val & BMCR_RESET) == 0) + val = phy_read(phy, MII_BMCR); + if (val >= 0 && (val & BMCR_RESET) == 0) break; udelay(10); } if ((val & BMCR_ISOLATE) && limit > 0) - __phy_write(phy, phy_id, MII_BMCR, val & ~BMCR_ISOLATE); - - return (limit <= 0); -} - -static int cis8201_init(struct mii_phy *phy) -{ - u16 epcr; - - epcr = phy_read(phy, MII_CIS8201_EPCR); - epcr &= ~EPCR_MODE_MASK; - - switch (phy->mode) { - case PHY_MODE_TBI: - epcr |= EPCR_TBI_MODE; - break; - case PHY_MODE_RTBI: - epcr |= EPCR_RTBI_MODE; - break; - case PHY_MODE_GMII: - epcr |= EPCR_GMII_MODE; - break; - case PHY_MODE_RGMII: - default: - epcr |= EPCR_RGMII_MODE; - } + phy_write(phy, MII_BMCR, val & ~BMCR_ISOLATE); - phy_write(phy, MII_CIS8201_EPCR, epcr); - - return 0; + return limit <= 0; } static int genmii_setup_aneg(struct mii_phy *phy, u32 advertise) { - u16 ctl, adv; + int ctl, adv; - phy->autoneg = 1; + phy->autoneg = AUTONEG_ENABLE; phy->speed = SPEED_10; phy->duplex = DUPLEX_HALF; - phy->pause = 0; + phy->pause = phy->asym_pause = 0; phy->advertising = advertise; /* Setup standard advertise */ adv = phy_read(phy, MII_ADVERTISE); - adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4); + if (adv < 0) + return adv; + adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4 | ADVERTISE_PAUSE_CAP | + ADVERTISE_PAUSE_ASYM); if (advertise & ADVERTISED_10baseT_Half) adv |= ADVERTISE_10HALF; if (advertise & ADVERTISED_10baseT_Full) @@ -99,8 +83,25 @@ static int genmii_setup_aneg(struct mii_phy *phy, u32 advertise) adv |= ADVERTISE_100HALF; if (advertise & ADVERTISED_100baseT_Full) adv |= ADVERTISE_100FULL; + if (advertise & ADVERTISED_Pause) + adv |= ADVERTISE_PAUSE_CAP; + if (advertise & ADVERTISED_Asym_Pause) + adv |= ADVERTISE_PAUSE_ASYM; phy_write(phy, MII_ADVERTISE, adv); + if (phy->features & + (SUPPORTED_1000baseT_Full | SUPPORTED_1000baseT_Half)) { + adv = phy_read(phy, MII_CTRL1000); + if (adv < 0) + return adv; + adv &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF); + if (advertise & ADVERTISED_1000baseT_Full) + adv |= ADVERTISE_1000FULL; + if (advertise & ADVERTISED_1000baseT_Half) + adv |= ADVERTISE_1000HALF; + phy_write(phy, MII_CTRL1000, adv); + } + /* Start/Restart aneg */ ctl = phy_read(phy, MII_BMCR); ctl |= (BMCR_ANENABLE | BMCR_ANRESTART); @@ -111,14 +112,16 @@ static int genmii_setup_aneg(struct mii_phy *phy, u32 advertise) static int genmii_setup_forced(struct mii_phy *phy, int speed, int fd) { - u16 ctl; + int ctl; - phy->autoneg = 0; + phy->autoneg = AUTONEG_DISABLE; phy->speed = speed; phy->duplex = fd; - phy->pause = 0; + phy->pause = phy->asym_pause = 0; ctl = phy_read(phy, MII_BMCR); + if (ctl < 0) + return ctl; ctl &= ~(BMCR_FULLDPLX | BMCR_SPEED100 | BMCR_ANENABLE); /* First reset the PHY */ @@ -132,6 +135,8 @@ static int genmii_setup_forced(struct mii_phy *phy, int speed, int fd) ctl |= BMCR_SPEED100; break; case SPEED_1000: + ctl |= BMCR_SPEED1000; + break; default: return -EINVAL; } @@ -144,112 +149,143 @@ static int genmii_setup_forced(struct mii_phy *phy, int speed, int fd) static int genmii_poll_link(struct mii_phy *phy) { - u16 status; + int status; - (void)phy_read(phy, MII_BMSR); + /* Clear latched value with dummy read */ + phy_read(phy, MII_BMSR); status = phy_read(phy, MII_BMSR); - if ((status & BMSR_LSTATUS) == 0) + if (status < 0 || (status & BMSR_LSTATUS) == 0) return 0; - if (phy->autoneg && !(status & BMSR_ANEGCOMPLETE)) + if (phy->autoneg == AUTONEG_ENABLE && !(status & BMSR_ANEGCOMPLETE)) return 0; return 1; } -#define MII_CIS8201_ACSR 0x1c -#define ACSR_DUPLEX_STATUS 0x0020 -#define ACSR_SPEED_1000BASET 0x0010 -#define ACSR_SPEED_100BASET 0x0008 - -static int cis8201_read_link(struct mii_phy *phy) +static int genmii_read_link(struct mii_phy *phy) { - u16 acsr; + if (phy->autoneg == AUTONEG_ENABLE) { + int glpa = 0; + int lpa = phy_read(phy, MII_LPA) & phy_read(phy, MII_ADVERTISE); + if (lpa < 0) + return lpa; + + if (phy->features & + (SUPPORTED_1000baseT_Full | SUPPORTED_1000baseT_Half)) { + int adv = phy_read(phy, MII_CTRL1000); + glpa = phy_read(phy, MII_STAT1000); + + if (glpa < 0 || adv < 0) + return adv; + + glpa &= adv << 2; + } + + phy->speed = SPEED_10; + phy->duplex = DUPLEX_HALF; + phy->pause = phy->asym_pause = 0; + + if (glpa & (LPA_1000FULL | LPA_1000HALF)) { + phy->speed = SPEED_1000; + if (glpa & LPA_1000FULL) + phy->duplex = DUPLEX_FULL; + } else if (lpa & (LPA_100FULL | LPA_100HALF)) { + phy->speed = SPEED_100; + if (lpa & LPA_100FULL) + phy->duplex = DUPLEX_FULL; + } else if (lpa & LPA_10FULL) + phy->duplex = DUPLEX_FULL; - if (phy->autoneg) { - acsr = phy_read(phy, MII_CIS8201_ACSR); + if (phy->duplex == DUPLEX_FULL) { + phy->pause = lpa & LPA_PAUSE_CAP ? 1 : 0; + phy->asym_pause = lpa & LPA_PAUSE_ASYM ? 1 : 0; + } + } else { + int bmcr = phy_read(phy, MII_BMCR); + if (bmcr < 0) + return bmcr; - if (acsr & ACSR_DUPLEX_STATUS) + if (bmcr & BMCR_FULLDPLX) phy->duplex = DUPLEX_FULL; else phy->duplex = DUPLEX_HALF; - if (acsr & ACSR_SPEED_1000BASET) { + if (bmcr & BMCR_SPEED1000) phy->speed = SPEED_1000; - } else if (acsr & ACSR_SPEED_100BASET) + else if (bmcr & BMCR_SPEED100) phy->speed = SPEED_100; else phy->speed = SPEED_10; - phy->pause = 0; - } - /* On non-aneg, we assume what we put in BMCR is the speed, - * though magic-aneg shouldn't prevent this case from occurring - */ + phy->pause = phy->asym_pause = 0; + } return 0; } -static int genmii_read_link(struct mii_phy *phy) +/* Generic implementation for most 10/100/1000 PHYs */ +static struct mii_phy_ops generic_phy_ops = { + .setup_aneg = genmii_setup_aneg, + .setup_forced = genmii_setup_forced, + .poll_link = genmii_poll_link, + .read_link = genmii_read_link +}; + +static struct mii_phy_def genmii_phy_def = { + .phy_id = 0x00000000, + .phy_id_mask = 0x00000000, + .name = "Generic MII", + .ops = &generic_phy_ops +}; + +/* CIS8201 */ +#define MII_CIS8201_EPCR 0x17 +#define EPCR_MODE_MASK 0x3000 +#define EPCR_GMII_MODE 0x0000 +#define EPCR_RGMII_MODE 0x1000 +#define EPCR_TBI_MODE 0x2000 +#define EPCR_RTBI_MODE 0x3000 + +static int cis8201_init(struct mii_phy *phy) { - u16 lpa; + int epcr; - if (phy->autoneg) { - lpa = phy_read(phy, MII_LPA) & phy_read(phy, MII_ADVERTISE); + epcr = phy_read(phy, MII_CIS8201_EPCR); + if (epcr < 0) + return epcr; - phy->speed = SPEED_10; - phy->duplex = DUPLEX_HALF; - phy->pause = 0; + epcr &= ~EPCR_MODE_MASK; - if (lpa & (LPA_100FULL | LPA_100HALF)) { - phy->speed = SPEED_100; - if (lpa & LPA_100FULL) - phy->duplex = DUPLEX_FULL; - } else if (lpa & LPA_10FULL) - phy->duplex = DUPLEX_FULL; + switch (phy->mode) { + case PHY_MODE_TBI: + epcr |= EPCR_TBI_MODE; + break; + case PHY_MODE_RTBI: + epcr |= EPCR_RTBI_MODE; + break; + case PHY_MODE_GMII: + epcr |= EPCR_GMII_MODE; + break; + case PHY_MODE_RGMII: + default: + epcr |= EPCR_RGMII_MODE; } - /* On non-aneg, we assume what we put in BMCR is the speed, - * though magic-aneg shouldn't prevent this case from occurring - */ + + phy_write(phy, MII_CIS8201_EPCR, epcr); return 0; } -#define MII_BASIC_FEATURES (SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | \ - SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | \ - SUPPORTED_Autoneg | SUPPORTED_TP | SUPPORTED_MII) -#define MII_GBIT_FEATURES (MII_BASIC_FEATURES | \ - SUPPORTED_1000baseT_Half | SUPPORTED_1000baseT_Full) - -/* CIS8201 phy ops */ static struct mii_phy_ops cis8201_phy_ops = { - init:cis8201_init, - setup_aneg:genmii_setup_aneg, - setup_forced:genmii_setup_forced, - poll_link:genmii_poll_link, - read_link:cis8201_read_link -}; - -/* Generic implementation for most 10/100 PHYs */ -static struct mii_phy_ops generic_phy_ops = { - setup_aneg:genmii_setup_aneg, - setup_forced:genmii_setup_forced, - poll_link:genmii_poll_link, - read_link:genmii_read_link + .init = cis8201_init, + .setup_aneg = genmii_setup_aneg, + .setup_forced = genmii_setup_forced, + .poll_link = genmii_poll_link, + .read_link = genmii_read_link }; static struct mii_phy_def cis8201_phy_def = { - phy_id:0x000fc410, - phy_id_mask:0x000ffff0, - name:"CIS8201 Gigabit Ethernet", - features:MII_GBIT_FEATURES, - magic_aneg:0, - ops:&cis8201_phy_ops -}; - -static struct mii_phy_def genmii_phy_def = { - phy_id:0x00000000, - phy_id_mask:0x00000000, - name:"Generic MII", - features:MII_BASIC_FEATURES, - magic_aneg:0, - ops:&generic_phy_ops + .phy_id = 0x000fc410, + .phy_id_mask = 0x000ffff0, + .name = "CIS8201 Gigabit Ethernet", + .ops = &cis8201_phy_ops }; static struct mii_phy_def *mii_phy_table[] = { @@ -258,39 +294,60 @@ static struct mii_phy_def *mii_phy_table[] = { NULL }; -int mii_phy_probe(struct mii_phy *phy, int mii_id) +int mii_phy_probe(struct mii_phy *phy, int address) { - int rc; - u32 id; struct mii_phy_def *def; int i; + u32 id; - phy->autoneg = 0; + phy->autoneg = AUTONEG_DISABLE; phy->advertising = 0; - phy->mii_id = mii_id; - phy->speed = 0; - phy->duplex = 0; - phy->pause = 0; - - /* Take PHY out of isloate mode and reset it. */ - rc = reset_one_mii_phy(phy, mii_id); - if (rc) + phy->address = address; + phy->speed = SPEED_10; + phy->duplex = DUPLEX_HALF; + phy->pause = phy->asym_pause = 0; + + /* Take PHY out of isolate mode and reset it. */ + if (mii_reset_phy(phy)) return -ENODEV; /* Read ID and find matching entry */ - id = (phy_read(phy, MII_PHYSID1) << 16 | phy_read(phy, MII_PHYSID2)) - & 0xfffffff0; + id = (phy_read(phy, MII_PHYSID1) << 16) | phy_read(phy, MII_PHYSID2); for (i = 0; (def = mii_phy_table[i]) != NULL; i++) if ((id & def->phy_id_mask) == def->phy_id) break; /* Should never be NULL (we have a generic entry), but... */ - if (def == NULL) + if (!def) return -ENODEV; phy->def = def; + /* Determine PHY features if needed */ + phy->features = def->features; + if (!phy->features) { + u16 bmsr = phy_read(phy, MII_BMSR); + if (bmsr & BMSR_ANEGCAPABLE) + phy->features |= SUPPORTED_Autoneg; + if (bmsr & BMSR_10HALF) + phy->features |= SUPPORTED_10baseT_Half; + if (bmsr & BMSR_10FULL) + phy->features |= SUPPORTED_10baseT_Full; + if (bmsr & BMSR_100HALF) + phy->features |= SUPPORTED_100baseT_Half; + if (bmsr & BMSR_100FULL) + phy->features |= SUPPORTED_100baseT_Full; + if (bmsr & BMSR_ESTATEN) { + u16 esr = phy_read(phy, MII_ESTATUS); + if (esr & ESTATUS_1000_TFULL) + phy->features |= SUPPORTED_1000baseT_Full; + if (esr & ESTATUS_1000_THALF) + phy->features |= SUPPORTED_1000baseT_Half; + } + phy->features |= SUPPORTED_MII; + } + /* Setup default advertising */ - phy->advertising = def->features; + phy->advertising = phy->features; return 0; } diff --git a/drivers/net/ibm_emac/ibm_emac_phy.h b/drivers/net/ibm_emac/ibm_emac_phy.h index 61afbea96563..a70e0fea54c4 100644 --- a/drivers/net/ibm_emac/ibm_emac_phy.h +++ b/drivers/net/ibm_emac/ibm_emac_phy.h @@ -1,65 +1,25 @@ - /* - * ibm_emac_phy.h - * + * drivers/net/ibm_emac/ibm_emac_phy.h * - * Benjamin Herrenschmidt <benh@kernel.crashing.org> - * February 2003 + * Driver for PowerPC 4xx on-chip ethernet controller, PHY support * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. + * Benjamin Herrenschmidt <benh@kernel.crashing.org> + * February 2003 * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. + * Minor additions by Eugene Surovegin <ebs@ebshome.net>, 2004 * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. * * This file basically duplicates sungem_phy.{c,h} with different PHYs * supported. I'm looking into merging that in a single mii layer more * flexible than mii.c */ -#ifndef _IBM_EMAC_PHY_H_ -#define _IBM_EMAC_PHY_H_ - -/* - * PHY mode settings - * Used for multi-mode capable PHYs - */ -#define PHY_MODE_NA 0 -#define PHY_MODE_MII 1 -#define PHY_MODE_RMII 2 -#define PHY_MODE_SMII 3 -#define PHY_MODE_RGMII 4 -#define PHY_MODE_TBI 5 -#define PHY_MODE_GMII 6 -#define PHY_MODE_RTBI 7 -#define PHY_MODE_SGMII 8 - -/* - * PHY specific registers/values - */ - -/* CIS8201 */ -#define MII_CIS8201_EPCR 0x17 -#define EPCR_MODE_MASK 0x3000 -#define EPCR_GMII_MODE 0x0000 -#define EPCR_RGMII_MODE 0x1000 -#define EPCR_TBI_MODE 0x2000 -#define EPCR_RTBI_MODE 0x3000 +#ifndef _IBM_OCP_PHY_H_ +#define _IBM_OCP_PHY_H_ struct mii_phy; @@ -77,7 +37,8 @@ struct mii_phy_ops { struct mii_phy_def { u32 phy_id; /* Concatenated ID1 << 16 | ID2 */ u32 phy_id_mask; /* Significant bits */ - u32 features; /* Ethtool SUPPORTED_* defines */ + u32 features; /* Ethtool SUPPORTED_* defines or + 0 for autodetect */ int magic_aneg; /* Autoneg does all speed test for us */ const char *name; const struct mii_phy_ops *ops; @@ -86,8 +47,11 @@ struct mii_phy_def { /* An instance of a PHY, partially borrowed from mii_if_info */ struct mii_phy { struct mii_phy_def *def; - int advertising; - int mii_id; + u32 advertising; /* Ethtool ADVERTISED_* defines */ + u32 features; /* Copied from mii_phy_def.features + or determined automaticaly */ + int address; /* PHY address */ + int mode; /* PHY mode */ /* 1: autoneg enabled, 0: disabled */ int autoneg; @@ -98,40 +62,19 @@ struct mii_phy { int speed; int duplex; int pause; - - /* PHY mode - if needed */ - int mode; + int asym_pause; /* Provided by host chip */ struct net_device *dev; - int (*mdio_read) (struct net_device * dev, int mii_id, int reg); - void (*mdio_write) (struct net_device * dev, int mii_id, int reg, + int (*mdio_read) (struct net_device * dev, int addr, int reg); + void (*mdio_write) (struct net_device * dev, int addr, int reg, int val); }; /* Pass in a struct mii_phy with dev, mdio_read and mdio_write * filled, the remaining fields will be filled on return */ -extern int mii_phy_probe(struct mii_phy *phy, int mii_id); - -static inline int __phy_read(struct mii_phy *phy, int id, int reg) -{ - return phy->mdio_read(phy->dev, id, reg); -} - -static inline void __phy_write(struct mii_phy *phy, int id, int reg, int val) -{ - phy->mdio_write(phy->dev, id, reg, val); -} - -static inline int phy_read(struct mii_phy *phy, int reg) -{ - return phy->mdio_read(phy->dev, phy->mii_id, reg); -} - -static inline void phy_write(struct mii_phy *phy, int reg, int val) -{ - phy->mdio_write(phy->dev, phy->mii_id, reg, val); -} +int mii_phy_probe(struct mii_phy *phy, int address); +int mii_reset_phy(struct mii_phy *phy); -#endif /* _IBM_EMAC_PHY_H_ */ +#endif /* _IBM_OCP_PHY_H_ */ diff --git a/drivers/net/ibm_emac/ibm_emac_rgmii.c b/drivers/net/ibm_emac/ibm_emac_rgmii.c new file mode 100644 index 000000000000..f0b1ffb2dbbf --- /dev/null +++ b/drivers/net/ibm_emac/ibm_emac_rgmii.c @@ -0,0 +1,201 @@ +/* + * drivers/net/ibm_emac/ibm_emac_rgmii.c + * + * Driver for PowerPC 4xx on-chip ethernet controller, RGMII bridge support. + * + * Copyright (c) 2004, 2005 Zultys Technologies. + * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> + * + * Based on original work by + * Matt Porter <mporter@kernel.crashing.org> + * Copyright 2004 MontaVista Software, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/ethtool.h> +#include <asm/io.h> + +#include "ibm_emac_core.h" +#include "ibm_emac_debug.h" + +/* RGMIIx_FER */ +#define RGMII_FER_MASK(idx) (0x7 << ((idx) * 4)) +#define RGMII_FER_RTBI(idx) (0x4 << ((idx) * 4)) +#define RGMII_FER_RGMII(idx) (0x5 << ((idx) * 4)) +#define RGMII_FER_TBI(idx) (0x6 << ((idx) * 4)) +#define RGMII_FER_GMII(idx) (0x7 << ((idx) * 4)) + +/* RGMIIx_SSR */ +#define RGMII_SSR_MASK(idx) (0x7 << ((idx) * 8)) +#define RGMII_SSR_100(idx) (0x2 << ((idx) * 8)) +#define RGMII_SSR_1000(idx) (0x4 << ((idx) * 8)) + +/* RGMII bridge supports only GMII/TBI and RGMII/RTBI PHYs */ +static inline int rgmii_valid_mode(int phy_mode) +{ + return phy_mode == PHY_MODE_GMII || + phy_mode == PHY_MODE_RGMII || + phy_mode == PHY_MODE_TBI || + phy_mode == PHY_MODE_RTBI; +} + +static inline const char *rgmii_mode_name(int mode) +{ + switch (mode) { + case PHY_MODE_RGMII: + return "RGMII"; + case PHY_MODE_TBI: + return "TBI"; + case PHY_MODE_GMII: + return "GMII"; + case PHY_MODE_RTBI: + return "RTBI"; + default: + BUG(); + } +} + +static inline u32 rgmii_mode_mask(int mode, int input) +{ + switch (mode) { + case PHY_MODE_RGMII: + return RGMII_FER_RGMII(input); + case PHY_MODE_TBI: + return RGMII_FER_TBI(input); + case PHY_MODE_GMII: + return RGMII_FER_GMII(input); + case PHY_MODE_RTBI: + return RGMII_FER_RTBI(input); + default: + BUG(); + } +} + +static int __init rgmii_init(struct ocp_device *ocpdev, int input, int mode) +{ + struct ibm_ocp_rgmii *dev = ocp_get_drvdata(ocpdev); + struct rgmii_regs *p; + + RGMII_DBG("%d: init(%d, %d)" NL, ocpdev->def->index, input, mode); + + if (!dev) { + dev = kzalloc(sizeof(struct ibm_ocp_rgmii), GFP_KERNEL); + if (!dev) { + printk(KERN_ERR + "rgmii%d: couldn't allocate device structure!\n", + ocpdev->def->index); + return -ENOMEM; + } + + p = (struct rgmii_regs *)ioremap(ocpdev->def->paddr, + sizeof(struct rgmii_regs)); + if (!p) { + printk(KERN_ERR + "rgmii%d: could not ioremap device registers!\n", + ocpdev->def->index); + kfree(dev); + return -ENOMEM; + } + + dev->base = p; + ocp_set_drvdata(ocpdev, dev); + + /* Disable all inputs by default */ + out_be32(&p->fer, 0); + } else + p = dev->base; + + /* Enable this input */ + out_be32(&p->fer, in_be32(&p->fer) | rgmii_mode_mask(mode, input)); + + printk(KERN_NOTICE "rgmii%d: input %d in %s mode\n", + ocpdev->def->index, input, rgmii_mode_name(mode)); + + ++dev->users; + return 0; +} + +int __init rgmii_attach(void *emac) +{ + struct ocp_enet_private *dev = emac; + struct ocp_func_emac_data *emacdata = dev->def->additions; + + /* Check if we need to attach to a RGMII */ + if (emacdata->rgmii_idx >= 0 && rgmii_valid_mode(emacdata->phy_mode)) { + dev->rgmii_input = emacdata->rgmii_mux; + dev->rgmii_dev = + ocp_find_device(OCP_VENDOR_IBM, OCP_FUNC_RGMII, + emacdata->rgmii_idx); + if (!dev->rgmii_dev) { + printk(KERN_ERR "emac%d: unknown rgmii%d!\n", + dev->def->index, emacdata->rgmii_idx); + return -ENODEV; + } + if (rgmii_init + (dev->rgmii_dev, dev->rgmii_input, emacdata->phy_mode)) { + printk(KERN_ERR + "emac%d: rgmii%d initialization failed!\n", + dev->def->index, emacdata->rgmii_idx); + return -ENODEV; + } + } + return 0; +} + +void rgmii_set_speed(struct ocp_device *ocpdev, int input, int speed) +{ + struct ibm_ocp_rgmii *dev = ocp_get_drvdata(ocpdev); + u32 ssr = in_be32(&dev->base->ssr) & ~RGMII_SSR_MASK(input); + + RGMII_DBG("%d: speed(%d, %d)" NL, ocpdev->def->index, input, speed); + + if (speed == SPEED_1000) + ssr |= RGMII_SSR_1000(input); + else if (speed == SPEED_100) + ssr |= RGMII_SSR_100(input); + + out_be32(&dev->base->ssr, ssr); +} + +void __exit __rgmii_fini(struct ocp_device *ocpdev, int input) +{ + struct ibm_ocp_rgmii *dev = ocp_get_drvdata(ocpdev); + BUG_ON(!dev || dev->users == 0); + + RGMII_DBG("%d: fini(%d)" NL, ocpdev->def->index, input); + + /* Disable this input */ + out_be32(&dev->base->fer, + in_be32(&dev->base->fer) & ~RGMII_FER_MASK(input)); + + if (!--dev->users) { + /* Free everything if this is the last user */ + ocp_set_drvdata(ocpdev, NULL); + iounmap((void *)dev->base); + kfree(dev); + } +} + +int __rgmii_get_regs_len(struct ocp_device *ocpdev) +{ + return sizeof(struct emac_ethtool_regs_subhdr) + + sizeof(struct rgmii_regs); +} + +void *rgmii_dump_regs(struct ocp_device *ocpdev, void *buf) +{ + struct ibm_ocp_rgmii *dev = ocp_get_drvdata(ocpdev); + struct emac_ethtool_regs_subhdr *hdr = buf; + struct rgmii_regs *regs = (struct rgmii_regs *)(hdr + 1); + + hdr->version = 0; + hdr->index = ocpdev->def->index; + memcpy_fromio(regs, dev->base, sizeof(struct rgmii_regs)); + return regs + 1; +} diff --git a/drivers/net/ibm_emac/ibm_emac_rgmii.h b/drivers/net/ibm_emac/ibm_emac_rgmii.h index 49f188f4ea6e..a1ffb8a44fff 100644 --- a/drivers/net/ibm_emac/ibm_emac_rgmii.h +++ b/drivers/net/ibm_emac/ibm_emac_rgmii.h @@ -1,5 +1,7 @@ /* - * Defines for the IBM RGMII bridge + * drivers/net/ibm_emac/ibm_emac_rgmii.c + * + * Driver for PowerPC 4xx on-chip ethernet controller, RGMII bridge support. * * Based on ocp_zmii.h/ibm_emac_zmii.h * Armin Kuster akuster@mvista.com @@ -7,6 +9,9 @@ * Copyright 2004 MontaVista Software, Inc. * Matt Porter <mporter@kernel.crashing.org> * + * Copyright (c) 2004, 2005 Zultys Technologies. + * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> + * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your @@ -19,47 +24,42 @@ #include <linux/config.h> /* RGMII bridge */ -typedef struct rgmii_regs { +struct rgmii_regs { u32 fer; /* Function enable register */ u32 ssr; /* Speed select register */ -} rgmii_t; - -#define RGMII_INPUTS 4 +}; /* RGMII device */ struct ibm_ocp_rgmii { struct rgmii_regs *base; - int mode[RGMII_INPUTS]; int users; /* number of EMACs using this RGMII bridge */ }; -/* Fuctional Enable Reg */ -#define RGMII_FER_MASK(x) (0x00000007 << (4*x)) -#define RGMII_RTBI 0x00000004 -#define RGMII_RGMII 0x00000005 -#define RGMII_TBI 0x00000006 -#define RGMII_GMII 0x00000007 - -/* Speed Selection reg */ +#ifdef CONFIG_IBM_EMAC_RGMII +int rgmii_attach(void *emac) __init; -#define RGMII_SP2_100 0x00000002 -#define RGMII_SP2_1000 0x00000004 -#define RGMII_SP3_100 0x00000200 -#define RGMII_SP3_1000 0x00000400 +void __rgmii_fini(struct ocp_device *ocpdev, int input) __exit; +static inline void rgmii_fini(struct ocp_device *ocpdev, int input) +{ + if (ocpdev) + __rgmii_fini(ocpdev, input); +} -#define RGMII_MII2_SPDMASK 0x00000007 -#define RGMII_MII3_SPDMASK 0x00000700 +void rgmii_set_speed(struct ocp_device *ocpdev, int input, int speed); -#define RGMII_MII2_100MB RGMII_SP2_100 & ~RGMII_SP2_1000 -#define RGMII_MII2_1000MB RGMII_SP2_1000 & ~RGMII_SP2_100 -#define RGMII_MII2_10MB ~(RGMII_SP2_100 | RGMII_SP2_1000) -#define RGMII_MII3_100MB RGMII_SP3_100 & ~RGMII_SP3_1000 -#define RGMII_MII3_1000MB RGMII_SP3_1000 & ~RGMII_SP3_100 -#define RGMII_MII3_10MB ~(RGMII_SP3_100 | RGMII_SP3_1000) +int __rgmii_get_regs_len(struct ocp_device *ocpdev); +static inline int rgmii_get_regs_len(struct ocp_device *ocpdev) +{ + return ocpdev ? __rgmii_get_regs_len(ocpdev) : 0; +} -#define RTBI 0 -#define RGMII 1 -#define TBI 2 -#define GMII 3 +void *rgmii_dump_regs(struct ocp_device *ocpdev, void *buf); +#else +# define rgmii_attach(x) 0 +# define rgmii_fini(x,y) ((void)0) +# define rgmii_set_speed(x,y,z) ((void)0) +# define rgmii_get_regs_len(x) 0 +# define rgmii_dump_regs(x,buf) (buf) +#endif /* !CONFIG_IBM_EMAC_RGMII */ #endif /* _IBM_EMAC_RGMII_H_ */ diff --git a/drivers/net/ibm_emac/ibm_emac_tah.c b/drivers/net/ibm_emac/ibm_emac_tah.c new file mode 100644 index 000000000000..af08afc22f9f --- /dev/null +++ b/drivers/net/ibm_emac/ibm_emac_tah.c @@ -0,0 +1,111 @@ +/* + * drivers/net/ibm_emac/ibm_emac_tah.c + * + * Driver for PowerPC 4xx on-chip ethernet controller, TAH support. + * + * Copyright 2004 MontaVista Software, Inc. + * Matt Porter <mporter@kernel.crashing.org> + * + * Copyright (c) 2005 Eugene Surovegin <ebs@ebshome.net> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ +#include <linux/config.h> +#include <asm/io.h> + +#include "ibm_emac_core.h" + +static int __init tah_init(struct ocp_device *ocpdev) +{ + struct tah_regs *p; + + if (ocp_get_drvdata(ocpdev)) { + printk(KERN_ERR "tah%d: already in use!\n", ocpdev->def->index); + return -EBUSY; + } + + /* Initialize TAH and enable IPv4 checksum verification, no TSO yet */ + p = (struct tah_regs *)ioremap(ocpdev->def->paddr, sizeof(*p)); + if (!p) { + printk(KERN_ERR "tah%d: could not ioremap device registers!\n", + ocpdev->def->index); + return -ENOMEM; + } + ocp_set_drvdata(ocpdev, p); + __tah_reset(ocpdev); + + return 0; +} + +int __init tah_attach(void *emac) +{ + struct ocp_enet_private *dev = emac; + struct ocp_func_emac_data *emacdata = dev->def->additions; + + /* Check if we need to attach to a TAH */ + if (emacdata->tah_idx >= 0) { + dev->tah_dev = ocp_find_device(OCP_ANY_ID, OCP_FUNC_TAH, + emacdata->tah_idx); + if (!dev->tah_dev) { + printk(KERN_ERR "emac%d: unknown tah%d!\n", + dev->def->index, emacdata->tah_idx); + return -ENODEV; + } + if (tah_init(dev->tah_dev)) { + printk(KERN_ERR + "emac%d: tah%d initialization failed!\n", + dev->def->index, emacdata->tah_idx); + return -ENODEV; + } + } + return 0; +} + +void __exit __tah_fini(struct ocp_device *ocpdev) +{ + struct tah_regs *p = ocp_get_drvdata(ocpdev); + BUG_ON(!p); + ocp_set_drvdata(ocpdev, NULL); + iounmap((void *)p); +} + +void __tah_reset(struct ocp_device *ocpdev) +{ + struct tah_regs *p = ocp_get_drvdata(ocpdev); + int n; + + /* Reset TAH */ + out_be32(&p->mr, TAH_MR_SR); + n = 100; + while ((in_be32(&p->mr) & TAH_MR_SR) && n) + --n; + + if (unlikely(!n)) + printk(KERN_ERR "tah%d: reset timeout\n", ocpdev->def->index); + + /* 10KB TAH TX FIFO accomodates the max MTU of 9000 */ + out_be32(&p->mr, + TAH_MR_CVR | TAH_MR_ST_768 | TAH_MR_TFS_10KB | TAH_MR_DTFP | + TAH_MR_DIG); +} + +int __tah_get_regs_len(struct ocp_device *ocpdev) +{ + return sizeof(struct emac_ethtool_regs_subhdr) + + sizeof(struct tah_regs); +} + +void *tah_dump_regs(struct ocp_device *ocpdev, void *buf) +{ + struct tah_regs *dev = ocp_get_drvdata(ocpdev); + struct emac_ethtool_regs_subhdr *hdr = buf; + struct tah_regs *regs = (struct tah_regs *)(hdr + 1); + + hdr->version = 0; + hdr->index = ocpdev->def->index; + memcpy_fromio(regs, dev, sizeof(struct tah_regs)); + return regs + 1; +} diff --git a/drivers/net/ibm_emac/ibm_emac_tah.h b/drivers/net/ibm_emac/ibm_emac_tah.h index ecfc69805521..9299b5dd7eb1 100644 --- a/drivers/net/ibm_emac/ibm_emac_tah.h +++ b/drivers/net/ibm_emac/ibm_emac_tah.h @@ -1,9 +1,13 @@ /* - * Defines for the IBM TAH + * drivers/net/ibm_emac/ibm_emac_tah.h + * + * Driver for PowerPC 4xx on-chip ethernet controller, TAH support. * * Copyright 2004 MontaVista Software, Inc. * Matt Porter <mporter@kernel.crashing.org> * + * Copyright (c) 2005 Eugene Surovegin <ebs@ebshome.net> + * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your @@ -13,36 +17,72 @@ #ifndef _IBM_EMAC_TAH_H #define _IBM_EMAC_TAH_H +#include <linux/config.h> +#include <linux/init.h> +#include <asm/ocp.h> + /* TAH */ -typedef struct tah_regs { - u32 tah_revid; +struct tah_regs { + u32 revid; u32 pad[3]; - u32 tah_mr; - u32 tah_ssr0; - u32 tah_ssr1; - u32 tah_ssr2; - u32 tah_ssr3; - u32 tah_ssr4; - u32 tah_ssr5; - u32 tah_tsr; -} tah_t; + u32 mr; + u32 ssr0; + u32 ssr1; + u32 ssr2; + u32 ssr3; + u32 ssr4; + u32 ssr5; + u32 tsr; +}; /* TAH engine */ -#define TAH_MR_CVR 0x80000000 -#define TAH_MR_SR 0x40000000 -#define TAH_MR_ST_256 0x01000000 -#define TAH_MR_ST_512 0x02000000 -#define TAH_MR_ST_768 0x03000000 -#define TAH_MR_ST_1024 0x04000000 -#define TAH_MR_ST_1280 0x05000000 -#define TAH_MR_ST_1536 0x06000000 -#define TAH_MR_TFS_16KB 0x00000000 -#define TAH_MR_TFS_2KB 0x00200000 -#define TAH_MR_TFS_4KB 0x00400000 -#define TAH_MR_TFS_6KB 0x00600000 -#define TAH_MR_TFS_8KB 0x00800000 -#define TAH_MR_TFS_10KB 0x00a00000 -#define TAH_MR_DTFP 0x00100000 -#define TAH_MR_DIG 0x00080000 +#define TAH_MR_CVR 0x80000000 +#define TAH_MR_SR 0x40000000 +#define TAH_MR_ST_256 0x01000000 +#define TAH_MR_ST_512 0x02000000 +#define TAH_MR_ST_768 0x03000000 +#define TAH_MR_ST_1024 0x04000000 +#define TAH_MR_ST_1280 0x05000000 +#define TAH_MR_ST_1536 0x06000000 +#define TAH_MR_TFS_16KB 0x00000000 +#define TAH_MR_TFS_2KB 0x00200000 +#define TAH_MR_TFS_4KB 0x00400000 +#define TAH_MR_TFS_6KB 0x00600000 +#define TAH_MR_TFS_8KB 0x00800000 +#define TAH_MR_TFS_10KB 0x00a00000 +#define TAH_MR_DTFP 0x00100000 +#define TAH_MR_DIG 0x00080000 + +#ifdef CONFIG_IBM_EMAC_TAH +int tah_attach(void *emac) __init; + +void __tah_fini(struct ocp_device *ocpdev) __exit; +static inline void tah_fini(struct ocp_device *ocpdev) +{ + if (ocpdev) + __tah_fini(ocpdev); +} + +void __tah_reset(struct ocp_device *ocpdev); +static inline void tah_reset(struct ocp_device *ocpdev) +{ + if (ocpdev) + __tah_reset(ocpdev); +} + +int __tah_get_regs_len(struct ocp_device *ocpdev); +static inline int tah_get_regs_len(struct ocp_device *ocpdev) +{ + return ocpdev ? __tah_get_regs_len(ocpdev) : 0; +} + +void *tah_dump_regs(struct ocp_device *ocpdev, void *buf); +#else +# define tah_attach(x) 0 +# define tah_fini(x) ((void)0) +# define tah_reset(x) ((void)0) +# define tah_get_regs_len(x) 0 +# define tah_dump_regs(x,buf) (buf) +#endif /* !CONFIG_IBM_EMAC_TAH */ #endif /* _IBM_EMAC_TAH_H */ diff --git a/drivers/net/ibm_emac/ibm_emac_zmii.c b/drivers/net/ibm_emac/ibm_emac_zmii.c new file mode 100644 index 000000000000..35c1185079ed --- /dev/null +++ b/drivers/net/ibm_emac/ibm_emac_zmii.c @@ -0,0 +1,255 @@ +/* + * drivers/net/ibm_emac/ibm_emac_zmii.c + * + * Driver for PowerPC 4xx on-chip ethernet controller, ZMII bridge support. + * + * Copyright (c) 2004, 2005 Zultys Technologies. + * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> + * + * Based on original work by + * Armin Kuster <akuster@mvista.com> + * Copyright 2001 MontaVista Softare Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/ethtool.h> +#include <asm/io.h> + +#include "ibm_emac_core.h" +#include "ibm_emac_debug.h" + +/* ZMIIx_FER */ +#define ZMII_FER_MDI(idx) (0x80000000 >> ((idx) * 4)) +#define ZMII_FER_MDI_ALL (ZMII_FER_MDI(0) | ZMII_FER_MDI(1) | \ + ZMII_FER_MDI(2) | ZMII_FER_MDI(3)) + +#define ZMII_FER_SMII(idx) (0x40000000 >> ((idx) * 4)) +#define ZMII_FER_RMII(idx) (0x20000000 >> ((idx) * 4)) +#define ZMII_FER_MII(idx) (0x10000000 >> ((idx) * 4)) + +/* ZMIIx_SSR */ +#define ZMII_SSR_SCI(idx) (0x40000000 >> ((idx) * 4)) +#define ZMII_SSR_FSS(idx) (0x20000000 >> ((idx) * 4)) +#define ZMII_SSR_SP(idx) (0x10000000 >> ((idx) * 4)) + +/* ZMII only supports MII, RMII and SMII + * we also support autodetection for backward compatibility + */ +static inline int zmii_valid_mode(int mode) +{ + return mode == PHY_MODE_MII || + mode == PHY_MODE_RMII || + mode == PHY_MODE_SMII || + mode == PHY_MODE_NA; +} + +static inline const char *zmii_mode_name(int mode) +{ + switch (mode) { + case PHY_MODE_MII: + return "MII"; + case PHY_MODE_RMII: + return "RMII"; + case PHY_MODE_SMII: + return "SMII"; + default: + BUG(); + } +} + +static inline u32 zmii_mode_mask(int mode, int input) +{ + switch (mode) { + case PHY_MODE_MII: + return ZMII_FER_MII(input); + case PHY_MODE_RMII: + return ZMII_FER_RMII(input); + case PHY_MODE_SMII: + return ZMII_FER_SMII(input); + default: + return 0; + } +} + +static int __init zmii_init(struct ocp_device *ocpdev, int input, int *mode) +{ + struct ibm_ocp_zmii *dev = ocp_get_drvdata(ocpdev); + struct zmii_regs *p; + + ZMII_DBG("%d: init(%d, %d)" NL, ocpdev->def->index, input, *mode); + + if (!dev) { + dev = kzalloc(sizeof(struct ibm_ocp_zmii), GFP_KERNEL); + if (!dev) { + printk(KERN_ERR + "zmii%d: couldn't allocate device structure!\n", + ocpdev->def->index); + return -ENOMEM; + } + dev->mode = PHY_MODE_NA; + + p = (struct zmii_regs *)ioremap(ocpdev->def->paddr, + sizeof(struct zmii_regs)); + if (!p) { + printk(KERN_ERR + "zmii%d: could not ioremap device registers!\n", + ocpdev->def->index); + kfree(dev); + return -ENOMEM; + } + dev->base = p; + ocp_set_drvdata(ocpdev, dev); + + /* We may need FER value for autodetection later */ + dev->fer_save = in_be32(&p->fer); + + /* Disable all inputs by default */ + out_be32(&p->fer, 0); + } else + p = dev->base; + + if (!zmii_valid_mode(*mode)) { + /* Probably an EMAC connected to RGMII, + * but it still may need ZMII for MDIO + */ + goto out; + } + + /* Autodetect ZMII mode if not specified. + * This is only for backward compatibility with the old driver. + * Please, always specify PHY mode in your board port to avoid + * any surprises. + */ + if (dev->mode == PHY_MODE_NA) { + if (*mode == PHY_MODE_NA) { + u32 r = dev->fer_save; + + ZMII_DBG("%d: autodetecting mode, FER = 0x%08x" NL, + ocpdev->def->index, r); + + if (r & (ZMII_FER_MII(0) | ZMII_FER_MII(1))) + dev->mode = PHY_MODE_MII; + else if (r & (ZMII_FER_RMII(0) | ZMII_FER_RMII(1))) + dev->mode = PHY_MODE_RMII; + else + dev->mode = PHY_MODE_SMII; + } else + dev->mode = *mode; + + printk(KERN_NOTICE "zmii%d: bridge in %s mode\n", + ocpdev->def->index, zmii_mode_name(dev->mode)); + } else { + /* All inputs must use the same mode */ + if (*mode != PHY_MODE_NA && *mode != dev->mode) { + printk(KERN_ERR + "zmii%d: invalid mode %d specified for input %d\n", + ocpdev->def->index, *mode, input); + return -EINVAL; + } + } + + /* Report back correct PHY mode, + * it may be used during PHY initialization. + */ + *mode = dev->mode; + + /* Enable this input */ + out_be32(&p->fer, in_be32(&p->fer) | zmii_mode_mask(dev->mode, input)); + out: + ++dev->users; + return 0; +} + +int __init zmii_attach(void *emac) +{ + struct ocp_enet_private *dev = emac; + struct ocp_func_emac_data *emacdata = dev->def->additions; + + if (emacdata->zmii_idx >= 0) { + dev->zmii_input = emacdata->zmii_mux; + dev->zmii_dev = + ocp_find_device(OCP_VENDOR_IBM, OCP_FUNC_ZMII, + emacdata->zmii_idx); + if (!dev->zmii_dev) { + printk(KERN_ERR "emac%d: unknown zmii%d!\n", + dev->def->index, emacdata->zmii_idx); + return -ENODEV; + } + if (zmii_init + (dev->zmii_dev, dev->zmii_input, &emacdata->phy_mode)) { + printk(KERN_ERR + "emac%d: zmii%d initialization failed!\n", + dev->def->index, emacdata->zmii_idx); + return -ENODEV; + } + } + return 0; +} + +void __zmii_enable_mdio(struct ocp_device *ocpdev, int input) +{ + struct ibm_ocp_zmii *dev = ocp_get_drvdata(ocpdev); + u32 fer = in_be32(&dev->base->fer) & ~ZMII_FER_MDI_ALL; + + ZMII_DBG2("%d: mdio(%d)" NL, ocpdev->def->index, input); + + out_be32(&dev->base->fer, fer | ZMII_FER_MDI(input)); +} + +void __zmii_set_speed(struct ocp_device *ocpdev, int input, int speed) +{ + struct ibm_ocp_zmii *dev = ocp_get_drvdata(ocpdev); + u32 ssr = in_be32(&dev->base->ssr); + + ZMII_DBG("%d: speed(%d, %d)" NL, ocpdev->def->index, input, speed); + + if (speed == SPEED_100) + ssr |= ZMII_SSR_SP(input); + else + ssr &= ~ZMII_SSR_SP(input); + + out_be32(&dev->base->ssr, ssr); +} + +void __exit __zmii_fini(struct ocp_device *ocpdev, int input) +{ + struct ibm_ocp_zmii *dev = ocp_get_drvdata(ocpdev); + BUG_ON(!dev || dev->users == 0); + + ZMII_DBG("%d: fini(%d)" NL, ocpdev->def->index, input); + + /* Disable this input */ + out_be32(&dev->base->fer, + in_be32(&dev->base->fer) & ~zmii_mode_mask(dev->mode, input)); + + if (!--dev->users) { + /* Free everything if this is the last user */ + ocp_set_drvdata(ocpdev, NULL); + iounmap((void *)dev->base); + kfree(dev); + } +} + +int __zmii_get_regs_len(struct ocp_device *ocpdev) +{ + return sizeof(struct emac_ethtool_regs_subhdr) + + sizeof(struct zmii_regs); +} + +void *zmii_dump_regs(struct ocp_device *ocpdev, void *buf) +{ + struct ibm_ocp_zmii *dev = ocp_get_drvdata(ocpdev); + struct emac_ethtool_regs_subhdr *hdr = buf; + struct zmii_regs *regs = (struct zmii_regs *)(hdr + 1); + + hdr->version = 0; + hdr->index = ocpdev->def->index; + memcpy_fromio(regs, dev->base, sizeof(struct zmii_regs)); + return regs + 1; +} diff --git a/drivers/net/ibm_emac/ibm_emac_zmii.h b/drivers/net/ibm_emac/ibm_emac_zmii.h index 6f6cd2a39e38..0bb26062c0ad 100644 --- a/drivers/net/ibm_emac/ibm_emac_zmii.h +++ b/drivers/net/ibm_emac/ibm_emac_zmii.h @@ -1,23 +1,27 @@ /* - * ocp_zmii.h + * drivers/net/ibm_emac/ibm_emac_zmii.h * - * Defines for the IBM ZMII bridge + * Driver for PowerPC 4xx on-chip ethernet controller, ZMII bridge support. * - * Armin Kuster akuster@mvista.com - * Dec, 2001 + * Copyright (c) 2004, 2005 Zultys Technologies. + * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> * - * Copyright 2001 MontaVista Softare Inc. + * Based on original work by + * Armin Kuster <akuster@mvista.com> + * Copyright 2001 MontaVista Softare Inc. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. + * */ - #ifndef _IBM_EMAC_ZMII_H_ #define _IBM_EMAC_ZMII_H_ #include <linux/config.h> +#include <linux/init.h> +#include <asm/ocp.h> /* ZMII bridge registers */ struct zmii_regs { @@ -26,68 +30,54 @@ struct zmii_regs { u32 smiirs; /* SMII status reg */ }; -#define ZMII_INPUTS 4 - /* ZMII device */ struct ibm_ocp_zmii { struct zmii_regs *base; - int mode[ZMII_INPUTS]; + int mode; /* subset of PHY_MODE_XXXX */ int users; /* number of EMACs using this ZMII bridge */ + u32 fer_save; /* FER value left by firmware */ }; -/* Fuctional Enable Reg */ - -#define ZMII_FER_MASK(x) (0xf0000000 >> (4*x)) - -#define ZMII_MDI0 0x80000000 -#define ZMII_SMII0 0x40000000 -#define ZMII_RMII0 0x20000000 -#define ZMII_MII0 0x10000000 -#define ZMII_MDI1 0x08000000 -#define ZMII_SMII1 0x04000000 -#define ZMII_RMII1 0x02000000 -#define ZMII_MII1 0x01000000 -#define ZMII_MDI2 0x00800000 -#define ZMII_SMII2 0x00400000 -#define ZMII_RMII2 0x00200000 -#define ZMII_MII2 0x00100000 -#define ZMII_MDI3 0x00080000 -#define ZMII_SMII3 0x00040000 -#define ZMII_RMII3 0x00020000 -#define ZMII_MII3 0x00010000 +#ifdef CONFIG_IBM_EMAC_ZMII +int zmii_attach(void *emac) __init; -/* Speed Selection reg */ +void __zmii_fini(struct ocp_device *ocpdev, int input) __exit; +static inline void zmii_fini(struct ocp_device *ocpdev, int input) +{ + if (ocpdev) + __zmii_fini(ocpdev, input); +} -#define ZMII_SCI0 0x40000000 -#define ZMII_FSS0 0x20000000 -#define ZMII_SP0 0x10000000 -#define ZMII_SCI1 0x04000000 -#define ZMII_FSS1 0x02000000 -#define ZMII_SP1 0x01000000 -#define ZMII_SCI2 0x00400000 -#define ZMII_FSS2 0x00200000 -#define ZMII_SP2 0x00100000 -#define ZMII_SCI3 0x00040000 -#define ZMII_FSS3 0x00020000 -#define ZMII_SP3 0x00010000 +void __zmii_enable_mdio(struct ocp_device *ocpdev, int input); +static inline void zmii_enable_mdio(struct ocp_device *ocpdev, int input) +{ + if (ocpdev) + __zmii_enable_mdio(ocpdev, input); +} -#define ZMII_MII0_100MB ZMII_SP0 -#define ZMII_MII0_10MB ~ZMII_SP0 -#define ZMII_MII1_100MB ZMII_SP1 -#define ZMII_MII1_10MB ~ZMII_SP1 -#define ZMII_MII2_100MB ZMII_SP2 -#define ZMII_MII2_10MB ~ZMII_SP2 -#define ZMII_MII3_100MB ZMII_SP3 -#define ZMII_MII3_10MB ~ZMII_SP3 +void __zmii_set_speed(struct ocp_device *ocpdev, int input, int speed); +static inline void zmii_set_speed(struct ocp_device *ocpdev, int input, + int speed) +{ + if (ocpdev) + __zmii_set_speed(ocpdev, input, speed); +} -/* SMII Status reg */ +int __zmii_get_regs_len(struct ocp_device *ocpdev); +static inline int zmii_get_regs_len(struct ocp_device *ocpdev) +{ + return ocpdev ? __zmii_get_regs_len(ocpdev) : 0; +} -#define ZMII_STS0 0xFF000000 /* EMAC0 smii status mask */ -#define ZMII_STS1 0x00FF0000 /* EMAC1 smii status mask */ +void *zmii_dump_regs(struct ocp_device *ocpdev, void *buf); -#define SMII 0 -#define RMII 1 -#define MII 2 -#define MDI 3 +#else +# define zmii_attach(x) 0 +# define zmii_fini(x,y) ((void)0) +# define zmii_enable_mdio(x,y) ((void)0) +# define zmii_set_speed(x,y,z) ((void)0) +# define zmii_get_regs_len(x) 0 +# define zmii_dump_regs(x,buf) (buf) +#endif /* !CONFIG_IBM_EMAC_ZMII */ #endif /* _IBM_EMAC_ZMII_H_ */ diff --git a/drivers/net/ibmveth.c b/drivers/net/ibmveth.c index cbe9368a4d56..e5246f227c98 100644 --- a/drivers/net/ibmveth.c +++ b/drivers/net/ibmveth.c @@ -96,7 +96,7 @@ static void ibmveth_proc_unregister_driver(void); static void ibmveth_proc_register_adapter(struct ibmveth_adapter *adapter); static void ibmveth_proc_unregister_adapter(struct ibmveth_adapter *adapter); static irqreturn_t ibmveth_interrupt(int irq, void *dev_instance, struct pt_regs *regs); -static inline void ibmveth_schedule_replenishing(struct ibmveth_adapter*); +static inline void ibmveth_rxq_harvest_buffer(struct ibmveth_adapter *adapter); #ifdef CONFIG_PROC_FS #define IBMVETH_PROC_DIR "net/ibmveth" @@ -181,6 +181,7 @@ static int ibmveth_alloc_buffer_pool(struct ibmveth_buff_pool *pool) atomic_set(&pool->available, 0); pool->producer_index = 0; pool->consumer_index = 0; + pool->active = 0; return 0; } @@ -236,7 +237,7 @@ static void ibmveth_replenish_buffer_pool(struct ibmveth_adapter *adapter, struc lpar_rc = h_add_logical_lan_buffer(adapter->vdev->unit_address, desc.desc); if(lpar_rc != H_Success) { - pool->free_map[free_index] = IBM_VETH_INVALID_MAP; + pool->free_map[free_index] = index; pool->skbuff[index] = NULL; pool->consumer_index--; dma_unmap_single(&adapter->vdev->dev, @@ -255,37 +256,19 @@ static void ibmveth_replenish_buffer_pool(struct ibmveth_adapter *adapter, struc atomic_add(buffers_added, &(pool->available)); } -/* check if replenishing is needed. */ -static inline int ibmveth_is_replenishing_needed(struct ibmveth_adapter *adapter) -{ - return ((atomic_read(&adapter->rx_buff_pool[0].available) < adapter->rx_buff_pool[0].threshold) || - (atomic_read(&adapter->rx_buff_pool[1].available) < adapter->rx_buff_pool[1].threshold) || - (atomic_read(&adapter->rx_buff_pool[2].available) < adapter->rx_buff_pool[2].threshold)); -} - -/* kick the replenish tasklet if we need replenishing and it isn't already running */ -static inline void ibmveth_schedule_replenishing(struct ibmveth_adapter *adapter) -{ - if(ibmveth_is_replenishing_needed(adapter) && - (atomic_dec_if_positive(&adapter->not_replenishing) == 0)) { - schedule_work(&adapter->replenish_task); - } -} - -/* replenish tasklet routine */ +/* replenish routine */ static void ibmveth_replenish_task(struct ibmveth_adapter *adapter) { + int i; + adapter->replenish_task_cycles++; - ibmveth_replenish_buffer_pool(adapter, &adapter->rx_buff_pool[0]); - ibmveth_replenish_buffer_pool(adapter, &adapter->rx_buff_pool[1]); - ibmveth_replenish_buffer_pool(adapter, &adapter->rx_buff_pool[2]); + for(i = 0; i < IbmVethNumBufferPools; i++) + if(adapter->rx_buff_pool[i].active) + ibmveth_replenish_buffer_pool(adapter, + &adapter->rx_buff_pool[i]); adapter->rx_no_buffer = *(u64*)(((char*)adapter->buffer_list_addr) + 4096 - 8); - - atomic_inc(&adapter->not_replenishing); - - ibmveth_schedule_replenishing(adapter); } /* empty and free ana buffer pool - also used to do cleanup in error paths */ @@ -293,10 +276,8 @@ static void ibmveth_free_buffer_pool(struct ibmveth_adapter *adapter, struct ibm { int i; - if(pool->free_map) { - kfree(pool->free_map); - pool->free_map = NULL; - } + kfree(pool->free_map); + pool->free_map = NULL; if(pool->skbuff && pool->dma_addr) { for(i = 0; i < pool->size; ++i) { @@ -321,6 +302,7 @@ static void ibmveth_free_buffer_pool(struct ibmveth_adapter *adapter, struct ibm kfree(pool->skbuff); pool->skbuff = NULL; } + pool->active = 0; } /* remove a buffer from a pool */ @@ -379,6 +361,12 @@ static void ibmveth_rxq_recycle_buffer(struct ibmveth_adapter *adapter) ibmveth_assert(pool < IbmVethNumBufferPools); ibmveth_assert(index < adapter->rx_buff_pool[pool].size); + if(!adapter->rx_buff_pool[pool].active) { + ibmveth_rxq_harvest_buffer(adapter); + ibmveth_free_buffer_pool(adapter, &adapter->rx_buff_pool[pool]); + return; + } + desc.desc = 0; desc.fields.valid = 1; desc.fields.length = adapter->rx_buff_pool[pool].buff_size; @@ -409,6 +397,8 @@ static inline void ibmveth_rxq_harvest_buffer(struct ibmveth_adapter *adapter) static void ibmveth_cleanup(struct ibmveth_adapter *adapter) { + int i; + if(adapter->buffer_list_addr != NULL) { if(!dma_mapping_error(adapter->buffer_list_dma)) { dma_unmap_single(&adapter->vdev->dev, @@ -443,26 +433,24 @@ static void ibmveth_cleanup(struct ibmveth_adapter *adapter) adapter->rx_queue.queue_addr = NULL; } - ibmveth_free_buffer_pool(adapter, &adapter->rx_buff_pool[0]); - ibmveth_free_buffer_pool(adapter, &adapter->rx_buff_pool[1]); - ibmveth_free_buffer_pool(adapter, &adapter->rx_buff_pool[2]); + for(i = 0; i<IbmVethNumBufferPools; i++) + ibmveth_free_buffer_pool(adapter, &adapter->rx_buff_pool[i]); } static int ibmveth_open(struct net_device *netdev) { struct ibmveth_adapter *adapter = netdev->priv; u64 mac_address = 0; - int rxq_entries; + int rxq_entries = 1; unsigned long lpar_rc; int rc; union ibmveth_buf_desc rxq_desc; + int i; ibmveth_debug_printk("open starting\n"); - rxq_entries = - adapter->rx_buff_pool[0].size + - adapter->rx_buff_pool[1].size + - adapter->rx_buff_pool[2].size + 1; + for(i = 0; i<IbmVethNumBufferPools; i++) + rxq_entries += adapter->rx_buff_pool[i].size; adapter->buffer_list_addr = (void*) get_zeroed_page(GFP_KERNEL); adapter->filter_list_addr = (void*) get_zeroed_page(GFP_KERNEL); @@ -502,14 +490,8 @@ static int ibmveth_open(struct net_device *netdev) adapter->rx_queue.num_slots = rxq_entries; adapter->rx_queue.toggle = 1; - if(ibmveth_alloc_buffer_pool(&adapter->rx_buff_pool[0]) || - ibmveth_alloc_buffer_pool(&adapter->rx_buff_pool[1]) || - ibmveth_alloc_buffer_pool(&adapter->rx_buff_pool[2])) - { - ibmveth_error_printk("unable to allocate buffer pools\n"); - ibmveth_cleanup(adapter); - return -ENOMEM; - } + /* call change_mtu to init the buffer pools based in initial mtu */ + ibmveth_change_mtu(netdev, netdev->mtu); memcpy(&mac_address, netdev->dev_addr, netdev->addr_len); mac_address = mac_address >> 16; @@ -552,10 +534,10 @@ static int ibmveth_open(struct net_device *netdev) return rc; } - netif_start_queue(netdev); + ibmveth_debug_printk("initial replenish cycle\n"); + ibmveth_replenish_task(adapter); - ibmveth_debug_printk("scheduling initial replenish cycle\n"); - ibmveth_schedule_replenishing(adapter); + netif_start_queue(netdev); ibmveth_debug_printk("open complete\n"); @@ -573,9 +555,6 @@ static int ibmveth_close(struct net_device *netdev) free_irq(netdev->irq, netdev); - cancel_delayed_work(&adapter->replenish_task); - flush_scheduled_work(); - do { lpar_rc = h_free_logical_lan(adapter->vdev->unit_address); } while (H_isLongBusy(lpar_rc) || (lpar_rc == H_Busy)); @@ -640,12 +619,18 @@ static int ibmveth_start_xmit(struct sk_buff *skb, struct net_device *netdev) unsigned long lpar_rc; int nfrags = 0, curfrag; unsigned long correlator; + unsigned long flags; unsigned int retry_count; + unsigned int tx_dropped = 0; + unsigned int tx_bytes = 0; + unsigned int tx_packets = 0; + unsigned int tx_send_failed = 0; + unsigned int tx_map_failed = 0; + if ((skb_shinfo(skb)->nr_frags + 1) > IbmVethMaxSendFrags) { - adapter->stats.tx_dropped++; - dev_kfree_skb(skb); - return 0; + tx_dropped++; + goto out; } memset(&desc, 0, sizeof(desc)); @@ -664,10 +649,9 @@ static int ibmveth_start_xmit(struct sk_buff *skb, struct net_device *netdev) if(dma_mapping_error(desc[0].fields.address)) { ibmveth_error_printk("tx: unable to map initial fragment\n"); - adapter->tx_map_failed++; - adapter->stats.tx_dropped++; - dev_kfree_skb(skb); - return 0; + tx_map_failed++; + tx_dropped++; + goto out; } curfrag = nfrags; @@ -684,8 +668,8 @@ static int ibmveth_start_xmit(struct sk_buff *skb, struct net_device *netdev) if(dma_mapping_error(desc[curfrag+1].fields.address)) { ibmveth_error_printk("tx: unable to map fragment %d\n", curfrag); - adapter->tx_map_failed++; - adapter->stats.tx_dropped++; + tx_map_failed++; + tx_dropped++; /* Free all the mappings we just created */ while(curfrag < nfrags) { dma_unmap_single(&adapter->vdev->dev, @@ -694,8 +678,7 @@ static int ibmveth_start_xmit(struct sk_buff *skb, struct net_device *netdev) DMA_TO_DEVICE); curfrag++; } - dev_kfree_skb(skb); - return 0; + goto out; } } @@ -720,11 +703,12 @@ static int ibmveth_start_xmit(struct sk_buff *skb, struct net_device *netdev) ibmveth_error_printk("tx: desc[%i] valid=%d, len=%d, address=0x%d\n", i, desc[i].fields.valid, desc[i].fields.length, desc[i].fields.address); } - adapter->tx_send_failed++; - adapter->stats.tx_dropped++; + tx_send_failed++; + tx_dropped++; } else { - adapter->stats.tx_packets++; - adapter->stats.tx_bytes += skb->len; + tx_packets++; + tx_bytes += skb->len; + netdev->trans_start = jiffies; } do { @@ -733,6 +717,14 @@ static int ibmveth_start_xmit(struct sk_buff *skb, struct net_device *netdev) desc[nfrags].fields.length, DMA_TO_DEVICE); } while(--nfrags >= 0); +out: spin_lock_irqsave(&adapter->stats_lock, flags); + adapter->stats.tx_dropped += tx_dropped; + adapter->stats.tx_bytes += tx_bytes; + adapter->stats.tx_packets += tx_packets; + adapter->tx_send_failed += tx_send_failed; + adapter->tx_map_failed += tx_map_failed; + spin_unlock_irqrestore(&adapter->stats_lock, flags); + dev_kfree_skb(skb); return 0; } @@ -776,13 +768,14 @@ static int ibmveth_poll(struct net_device *netdev, int *budget) adapter->stats.rx_packets++; adapter->stats.rx_bytes += length; frames_processed++; + netdev->last_rx = jiffies; } } else { more_work = 0; } } while(more_work && (frames_processed < max_frames_to_process)); - ibmveth_schedule_replenishing(adapter); + ibmveth_replenish_task(adapter); if(more_work) { /* more work to do - return that we are not done yet */ @@ -883,17 +876,54 @@ static void ibmveth_set_multicast_list(struct net_device *netdev) static int ibmveth_change_mtu(struct net_device *dev, int new_mtu) { - if ((new_mtu < 68) || (new_mtu > (1<<20))) + struct ibmveth_adapter *adapter = dev->priv; + int i; + int prev_smaller = 1; + + if ((new_mtu < 68) || + (new_mtu > (pool_size[IbmVethNumBufferPools-1]) - IBMVETH_BUFF_OH)) return -EINVAL; + + for(i = 0; i<IbmVethNumBufferPools; i++) { + int activate = 0; + if (new_mtu > (pool_size[i] - IBMVETH_BUFF_OH)) { + activate = 1; + prev_smaller= 1; + } else { + if (prev_smaller) + activate = 1; + prev_smaller= 0; + } + + if (activate && !adapter->rx_buff_pool[i].active) { + struct ibmveth_buff_pool *pool = + &adapter->rx_buff_pool[i]; + if(ibmveth_alloc_buffer_pool(pool)) { + ibmveth_error_printk("unable to alloc pool\n"); + return -ENOMEM; + } + adapter->rx_buff_pool[i].active = 1; + } else if (!activate && adapter->rx_buff_pool[i].active) { + adapter->rx_buff_pool[i].active = 0; + h_free_logical_lan_buffer(adapter->vdev->unit_address, + (u64)pool_size[i]); + } + + } + + /* kick the interrupt handler so that the new buffer pools get + replenished or deallocated */ + ibmveth_interrupt(dev->irq, dev, NULL); + dev->mtu = new_mtu; return 0; } static int __devinit ibmveth_probe(struct vio_dev *dev, const struct vio_device_id *id) { - int rc; + int rc, i; struct net_device *netdev; - struct ibmveth_adapter *adapter; + struct ibmveth_adapter *adapter = NULL; unsigned char *mac_addr_p; unsigned int *mcastFilterSize_p; @@ -960,23 +990,21 @@ static int __devinit ibmveth_probe(struct vio_dev *dev, const struct vio_device_ netdev->ethtool_ops = &netdev_ethtool_ops; netdev->change_mtu = ibmveth_change_mtu; SET_NETDEV_DEV(netdev, &dev->dev); + netdev->features |= NETIF_F_LLTX; + spin_lock_init(&adapter->stats_lock); memcpy(&netdev->dev_addr, &adapter->mac_addr, netdev->addr_len); - ibmveth_init_buffer_pool(&adapter->rx_buff_pool[0], 0, IbmVethPool0DftCnt, IbmVethPool0DftSize); - ibmveth_init_buffer_pool(&adapter->rx_buff_pool[1], 1, IbmVethPool1DftCnt, IbmVethPool1DftSize); - ibmveth_init_buffer_pool(&adapter->rx_buff_pool[2], 2, IbmVethPool2DftCnt, IbmVethPool2DftSize); + for(i = 0; i<IbmVethNumBufferPools; i++) + ibmveth_init_buffer_pool(&adapter->rx_buff_pool[i], i, + pool_count[i], pool_size[i]); ibmveth_debug_printk("adapter @ 0x%p\n", adapter); - INIT_WORK(&adapter->replenish_task, (void*)ibmveth_replenish_task, (void*)adapter); - adapter->buffer_list_dma = DMA_ERROR_CODE; adapter->filter_list_dma = DMA_ERROR_CODE; adapter->rx_queue.queue_dma = DMA_ERROR_CODE; - atomic_set(&adapter->not_replenishing, 1); - ibmveth_debug_printk("registering netdev...\n"); rc = register_netdev(netdev); diff --git a/drivers/net/ibmveth.h b/drivers/net/ibmveth.h index 51a470da9686..46919a814fca 100644 --- a/drivers/net/ibmveth.h +++ b/drivers/net/ibmveth.h @@ -49,6 +49,7 @@ #define H_SEND_LOGICAL_LAN 0x120 #define H_MULTICAST_CTRL 0x130 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C +#define H_FREE_LOGICAL_LAN_BUFFER 0x1D4 /* hcall macros */ #define h_register_logical_lan(ua, buflst, rxq, fltlst, mac) \ @@ -69,13 +70,15 @@ #define h_change_logical_lan_mac(ua, mac) \ plpar_hcall_norets(H_CHANGE_LOGICAL_LAN_MAC, ua, mac) -#define IbmVethNumBufferPools 3 -#define IbmVethPool0DftSize (1024 * 2) -#define IbmVethPool1DftSize (1024 * 4) -#define IbmVethPool2DftSize (1024 * 10) -#define IbmVethPool0DftCnt 256 -#define IbmVethPool1DftCnt 256 -#define IbmVethPool2DftCnt 256 +#define h_free_logical_lan_buffer(ua, bufsize) \ + plpar_hcall_norets(H_FREE_LOGICAL_LAN_BUFFER, ua, bufsize) + +#define IbmVethNumBufferPools 5 +#define IBMVETH_BUFF_OH 22 /* Overhead: 14 ethernet header + 8 opaque handle */ + +/* pool_size should be sorted */ +static int pool_size[] = { 512, 1024 * 2, 1024 * 16, 1024 * 32, 1024 * 64 }; +static int pool_count[] = { 256, 768, 256, 256, 256 }; #define IBM_VETH_INVALID_MAP ((u16)0xffff) @@ -90,6 +93,7 @@ struct ibmveth_buff_pool { u16 *free_map; dma_addr_t *dma_addr; struct sk_buff **skbuff; + int active; }; struct ibmveth_rx_q { @@ -114,10 +118,6 @@ struct ibmveth_adapter { dma_addr_t filter_list_dma; struct ibmveth_buff_pool rx_buff_pool[IbmVethNumBufferPools]; struct ibmveth_rx_q rx_queue; - atomic_t not_replenishing; - - /* helper tasks */ - struct work_struct replenish_task; /* adapter specific stats */ u64 replenish_task_cycles; @@ -131,6 +131,7 @@ struct ibmveth_adapter { u64 tx_linearize_failed; u64 tx_map_failed; u64 tx_send_failed; + spinlock_t stats_lock; }; struct ibmveth_buf_desc_fields { diff --git a/drivers/net/irda/Kconfig b/drivers/net/irda/Kconfig index ca5914091d3a..d54156f11e61 100644 --- a/drivers/net/irda/Kconfig +++ b/drivers/net/irda/Kconfig @@ -400,5 +400,15 @@ config VIA_FIR To compile it as a module, choose M here: the module will be called via-ircc. +config PXA_FICP + tristate "Intel PXA2xx Internal FICP" + depends on ARCH_PXA && IRDA + help + Say Y or M here if you want to build support for the PXA2xx + built-in IRDA interface which can support both SIR and FIR. + This driver relies on platform specific helper routines so + available capabilities may vary from one PXA2xx target to + another. + endmenu diff --git a/drivers/net/irda/Makefile b/drivers/net/irda/Makefile index 29a8bd812b21..e7a8b7f7f5dd 100644 --- a/drivers/net/irda/Makefile +++ b/drivers/net/irda/Makefile @@ -18,6 +18,7 @@ obj-$(CONFIG_SMC_IRCC_FIR) += smsc-ircc2.o obj-$(CONFIG_ALI_FIR) += ali-ircc.o obj-$(CONFIG_VLSI_FIR) += vlsi_ir.o obj-$(CONFIG_VIA_FIR) += via-ircc.o +obj-$(CONFIG_PXA_FICP) += pxaficp_ir.o # Old dongle drivers for old SIR drivers obj-$(CONFIG_ESI_DONGLE_OLD) += esi.o obj-$(CONFIG_TEKRAM_DONGLE_OLD) += tekram.o diff --git a/drivers/net/irda/donauboe.c b/drivers/net/irda/donauboe.c index 0a08c539c051..0282771b1cbb 100644 --- a/drivers/net/irda/donauboe.c +++ b/drivers/net/irda/donauboe.c @@ -1695,11 +1695,9 @@ toshoboe_open (struct pci_dev *pci_dev, const struct pci_device_id *pdid) freebufs: for (i = 0; i < TX_SLOTS; ++i) - if (self->tx_bufs[i]) - kfree (self->tx_bufs[i]); + kfree (self->tx_bufs[i]); for (i = 0; i < RX_SLOTS; ++i) - if (self->rx_bufs[i]) - kfree (self->rx_bufs[i]); + kfree (self->rx_bufs[i]); kfree(self->ringbuf); freeregion: diff --git a/drivers/net/irda/irda-usb.c b/drivers/net/irda/irda-usb.c index 6c766fdc51a6..c22c0517883c 100644 --- a/drivers/net/irda/irda-usb.c +++ b/drivers/net/irda/irda-usb.c @@ -1168,10 +1168,8 @@ static inline void irda_usb_close(struct irda_usb_cb *self) unregister_netdev(self->netdev); /* Remove the speed buffer */ - if (self->speed_buff != NULL) { - kfree(self->speed_buff); - self->speed_buff = NULL; - } + kfree(self->speed_buff); + self->speed_buff = NULL; } /********************** USB CONFIG SUBROUTINES **********************/ diff --git a/drivers/net/irda/irport.c b/drivers/net/irda/irport.c index 5971315f3fa0..3d016a498e1d 100644 --- a/drivers/net/irda/irport.c +++ b/drivers/net/irda/irport.c @@ -235,8 +235,7 @@ static int irport_close(struct irport_cb *self) __FUNCTION__, self->io.sir_base); release_region(self->io.sir_base, self->io.sir_ext); - if (self->tx_buff.head) - kfree(self->tx_buff.head); + kfree(self->tx_buff.head); if (self->rx_buff.skb) kfree_skb(self->rx_buff.skb); diff --git a/drivers/net/irda/pxaficp_ir.c b/drivers/net/irda/pxaficp_ir.c new file mode 100644 index 000000000000..b886b07412a6 --- /dev/null +++ b/drivers/net/irda/pxaficp_ir.c @@ -0,0 +1,865 @@ +/* + * linux/drivers/net/irda/pxaficp_ir.c + * + * Based on sa1100_ir.c by Russell King + * + * Changes copyright (C) 2003-2005 MontaVista Software, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Infra-red driver (SIR/FIR) for the PXA2xx embedded microprocessor + * + */ +#include <linux/config.h> +#include <linux/module.h> +#include <linux/types.h> +#include <linux/init.h> +#include <linux/errno.h> +#include <linux/netdevice.h> +#include <linux/slab.h> +#include <linux/rtnetlink.h> +#include <linux/interrupt.h> +#include <linux/dma-mapping.h> +#include <linux/pm.h> + +#include <net/irda/irda.h> +#include <net/irda/irmod.h> +#include <net/irda/wrapper.h> +#include <net/irda/irda_device.h> + +#include <asm/irq.h> +#include <asm/dma.h> +#include <asm/delay.h> +#include <asm/hardware.h> +#include <asm/arch/irda.h> +#include <asm/arch/pxa-regs.h> + +#ifdef CONFIG_MACH_MAINSTONE +#include <asm/arch/mainstone.h> +#endif + +#define IrSR_RXPL_NEG_IS_ZERO (1<<4) +#define IrSR_RXPL_POS_IS_ZERO 0x0 +#define IrSR_TXPL_NEG_IS_ZERO (1<<3) +#define IrSR_TXPL_POS_IS_ZERO 0x0 +#define IrSR_XMODE_PULSE_1_6 (1<<2) +#define IrSR_XMODE_PULSE_3_16 0x0 +#define IrSR_RCVEIR_IR_MODE (1<<1) +#define IrSR_RCVEIR_UART_MODE 0x0 +#define IrSR_XMITIR_IR_MODE (1<<0) +#define IrSR_XMITIR_UART_MODE 0x0 + +#define IrSR_IR_RECEIVE_ON (\ + IrSR_RXPL_NEG_IS_ZERO | \ + IrSR_TXPL_POS_IS_ZERO | \ + IrSR_XMODE_PULSE_3_16 | \ + IrSR_RCVEIR_IR_MODE | \ + IrSR_XMITIR_UART_MODE) + +#define IrSR_IR_TRANSMIT_ON (\ + IrSR_RXPL_NEG_IS_ZERO | \ + IrSR_TXPL_POS_IS_ZERO | \ + IrSR_XMODE_PULSE_3_16 | \ + IrSR_RCVEIR_UART_MODE | \ + IrSR_XMITIR_IR_MODE) + +struct pxa_irda { + int speed; + int newspeed; + unsigned long last_oscr; + + unsigned char *dma_rx_buff; + unsigned char *dma_tx_buff; + dma_addr_t dma_rx_buff_phy; + dma_addr_t dma_tx_buff_phy; + unsigned int dma_tx_buff_len; + int txdma; + int rxdma; + + struct net_device_stats stats; + struct irlap_cb *irlap; + struct qos_info qos; + + iobuff_t tx_buff; + iobuff_t rx_buff; + + struct device *dev; + struct pxaficp_platform_data *pdata; +}; + + +#define IS_FIR(si) ((si)->speed >= 4000000) +#define IRDA_FRAME_SIZE_LIMIT 2047 + +inline static void pxa_irda_fir_dma_rx_start(struct pxa_irda *si) +{ + DCSR(si->rxdma) = DCSR_NODESC; + DSADR(si->rxdma) = __PREG(ICDR); + DTADR(si->rxdma) = si->dma_rx_buff_phy; + DCMD(si->rxdma) = DCMD_INCTRGADDR | DCMD_FLOWSRC | DCMD_WIDTH1 | DCMD_BURST32 | IRDA_FRAME_SIZE_LIMIT; + DCSR(si->rxdma) |= DCSR_RUN; +} + +inline static void pxa_irda_fir_dma_tx_start(struct pxa_irda *si) +{ + DCSR(si->txdma) = DCSR_NODESC; + DSADR(si->txdma) = si->dma_tx_buff_phy; + DTADR(si->txdma) = __PREG(ICDR); + DCMD(si->txdma) = DCMD_INCSRCADDR | DCMD_FLOWTRG | DCMD_ENDIRQEN | DCMD_WIDTH1 | DCMD_BURST32 | si->dma_tx_buff_len; + DCSR(si->txdma) |= DCSR_RUN; +} + +/* + * Set the IrDA communications speed. + */ +static int pxa_irda_set_speed(struct pxa_irda *si, int speed) +{ + unsigned long flags; + unsigned int divisor; + + switch (speed) { + case 9600: case 19200: case 38400: + case 57600: case 115200: + + /* refer to PXA250/210 Developer's Manual 10-7 */ + /* BaudRate = 14.7456 MHz / (16*Divisor) */ + divisor = 14745600 / (16 * speed); + + local_irq_save(flags); + + if (IS_FIR(si)) { + /* stop RX DMA */ + DCSR(si->rxdma) &= ~DCSR_RUN; + /* disable FICP */ + ICCR0 = 0; + pxa_set_cken(CKEN13_FICP, 0); + + /* set board transceiver to SIR mode */ + si->pdata->transceiver_mode(si->dev, IR_SIRMODE); + + /* configure GPIO46/47 */ + pxa_gpio_mode(GPIO46_STRXD_MD); + pxa_gpio_mode(GPIO47_STTXD_MD); + + /* enable the STUART clock */ + pxa_set_cken(CKEN5_STUART, 1); + } + + /* disable STUART first */ + STIER = 0; + + /* access DLL & DLH */ + STLCR |= LCR_DLAB; + STDLL = divisor & 0xff; + STDLH = divisor >> 8; + STLCR &= ~LCR_DLAB; + + si->speed = speed; + STISR = IrSR_IR_RECEIVE_ON | IrSR_XMODE_PULSE_1_6; + STIER = IER_UUE | IER_RLSE | IER_RAVIE | IER_RTIOE; + + local_irq_restore(flags); + break; + + case 4000000: + local_irq_save(flags); + + /* disable STUART */ + STIER = 0; + STISR = 0; + pxa_set_cken(CKEN5_STUART, 0); + + /* disable FICP first */ + ICCR0 = 0; + + /* set board transceiver to FIR mode */ + si->pdata->transceiver_mode(si->dev, IR_FIRMODE); + + /* configure GPIO46/47 */ + pxa_gpio_mode(GPIO46_ICPRXD_MD); + pxa_gpio_mode(GPIO47_ICPTXD_MD); + + /* enable the FICP clock */ + pxa_set_cken(CKEN13_FICP, 1); + + si->speed = speed; + pxa_irda_fir_dma_rx_start(si); + ICCR0 = ICCR0_ITR | ICCR0_RXE; + + local_irq_restore(flags); + break; + + default: + return -EINVAL; + } + + return 0; +} + +/* SIR interrupt service routine. */ +static irqreturn_t pxa_irda_sir_irq(int irq, void *dev_id, struct pt_regs *regs) +{ + struct net_device *dev = dev_id; + struct pxa_irda *si = netdev_priv(dev); + int iir, lsr, data; + + iir = STIIR; + + switch (iir & 0x0F) { + case 0x06: /* Receiver Line Status */ + lsr = STLSR; + while (lsr & LSR_FIFOE) { + data = STRBR; + if (lsr & (LSR_OE | LSR_PE | LSR_FE | LSR_BI)) { + printk(KERN_DEBUG "pxa_ir: sir receiving error\n"); + si->stats.rx_errors++; + if (lsr & LSR_FE) + si->stats.rx_frame_errors++; + if (lsr & LSR_OE) + si->stats.rx_fifo_errors++; + } else { + si->stats.rx_bytes++; + async_unwrap_char(dev, &si->stats, &si->rx_buff, data); + } + lsr = STLSR; + } + dev->last_rx = jiffies; + si->last_oscr = OSCR; + break; + + case 0x04: /* Received Data Available */ + /* forth through */ + + case 0x0C: /* Character Timeout Indication */ + do { + si->stats.rx_bytes++; + async_unwrap_char(dev, &si->stats, &si->rx_buff, STRBR); + } while (STLSR & LSR_DR); + dev->last_rx = jiffies; + si->last_oscr = OSCR; + break; + + case 0x02: /* Transmit FIFO Data Request */ + while ((si->tx_buff.len) && (STLSR & LSR_TDRQ)) { + STTHR = *si->tx_buff.data++; + si->tx_buff.len -= 1; + } + + if (si->tx_buff.len == 0) { + si->stats.tx_packets++; + si->stats.tx_bytes += si->tx_buff.data - + si->tx_buff.head; + + /* We need to ensure that the transmitter has finished. */ + while ((STLSR & LSR_TEMT) == 0) + cpu_relax(); + si->last_oscr = OSCR; + + /* + * Ok, we've finished transmitting. Now enable + * the receiver. Sometimes we get a receive IRQ + * immediately after a transmit... + */ + if (si->newspeed) { + pxa_irda_set_speed(si, si->newspeed); + si->newspeed = 0; + } else { + /* enable IR Receiver, disable IR Transmitter */ + STISR = IrSR_IR_RECEIVE_ON | IrSR_XMODE_PULSE_1_6; + /* enable STUART and receive interrupts */ + STIER = IER_UUE | IER_RLSE | IER_RAVIE | IER_RTIOE; + } + /* I'm hungry! */ + netif_wake_queue(dev); + } + break; + } + + return IRQ_HANDLED; +} + +/* FIR Receive DMA interrupt handler */ +static void pxa_irda_fir_dma_rx_irq(int channel, void *data, struct pt_regs *regs) +{ + int dcsr = DCSR(channel); + + DCSR(channel) = dcsr & ~DCSR_RUN; + + printk(KERN_DEBUG "pxa_ir: fir rx dma bus error %#x\n", dcsr); +} + +/* FIR Transmit DMA interrupt handler */ +static void pxa_irda_fir_dma_tx_irq(int channel, void *data, struct pt_regs *regs) +{ + struct net_device *dev = data; + struct pxa_irda *si = netdev_priv(dev); + int dcsr; + + dcsr = DCSR(channel); + DCSR(channel) = dcsr & ~DCSR_RUN; + + if (dcsr & DCSR_ENDINTR) { + si->stats.tx_packets++; + si->stats.tx_bytes += si->dma_tx_buff_len; + } else { + si->stats.tx_errors++; + } + + while (ICSR1 & ICSR1_TBY) + cpu_relax(); + si->last_oscr = OSCR; + + /* + * HACK: It looks like the TBY bit is dropped too soon. + * Without this delay things break. + */ + udelay(120); + + if (si->newspeed) { + pxa_irda_set_speed(si, si->newspeed); + si->newspeed = 0; + } else { + ICCR0 = 0; + pxa_irda_fir_dma_rx_start(si); + ICCR0 = ICCR0_ITR | ICCR0_RXE; + } + netif_wake_queue(dev); +} + +/* EIF(Error in FIFO/End in Frame) handler for FIR */ +static void pxa_irda_fir_irq_eif(struct pxa_irda *si, struct net_device *dev) +{ + unsigned int len, stat, data; + + /* Get the current data position. */ + len = DTADR(si->rxdma) - si->dma_rx_buff_phy; + + do { + /* Read Status, and then Data. */ + stat = ICSR1; + rmb(); + data = ICDR; + + if (stat & (ICSR1_CRE | ICSR1_ROR)) { + si->stats.rx_errors++; + if (stat & ICSR1_CRE) { + printk(KERN_DEBUG "pxa_ir: fir receive CRC error\n"); + si->stats.rx_crc_errors++; + } + if (stat & ICSR1_ROR) { + printk(KERN_DEBUG "pxa_ir: fir receive overrun\n"); + si->stats.rx_frame_errors++; + } + } else { + si->dma_rx_buff[len++] = data; + } + /* If we hit the end of frame, there's no point in continuing. */ + if (stat & ICSR1_EOF) + break; + } while (ICSR0 & ICSR0_EIF); + + if (stat & ICSR1_EOF) { + /* end of frame. */ + struct sk_buff *skb = alloc_skb(len+1,GFP_ATOMIC); + if (!skb) { + printk(KERN_ERR "pxa_ir: fir out of memory for receive skb\n"); + si->stats.rx_dropped++; + return; + } + + /* Align IP header to 20 bytes */ + skb_reserve(skb, 1); + memcpy(skb->data, si->dma_rx_buff, len); + skb_put(skb, len); + + /* Feed it to IrLAP */ + skb->dev = dev; + skb->mac.raw = skb->data; + skb->protocol = htons(ETH_P_IRDA); + netif_rx(skb); + + si->stats.rx_packets++; + si->stats.rx_bytes += len; + + dev->last_rx = jiffies; + } +} + +/* FIR interrupt handler */ +static irqreturn_t pxa_irda_fir_irq(int irq, void *dev_id, struct pt_regs *regs) +{ + struct net_device *dev = dev_id; + struct pxa_irda *si = netdev_priv(dev); + int icsr0; + + /* stop RX DMA */ + DCSR(si->rxdma) &= ~DCSR_RUN; + si->last_oscr = OSCR; + icsr0 = ICSR0; + + if (icsr0 & (ICSR0_FRE | ICSR0_RAB)) { + if (icsr0 & ICSR0_FRE) { + printk(KERN_DEBUG "pxa_ir: fir receive frame error\n"); + si->stats.rx_frame_errors++; + } else { + printk(KERN_DEBUG "pxa_ir: fir receive abort\n"); + si->stats.rx_errors++; + } + ICSR0 = icsr0 & (ICSR0_FRE | ICSR0_RAB); + } + + if (icsr0 & ICSR0_EIF) { + /* An error in FIFO occured, or there is a end of frame */ + pxa_irda_fir_irq_eif(si, dev); + } + + ICCR0 = 0; + pxa_irda_fir_dma_rx_start(si); + ICCR0 = ICCR0_ITR | ICCR0_RXE; + + return IRQ_HANDLED; +} + +/* hard_xmit interface of irda device */ +static int pxa_irda_hard_xmit(struct sk_buff *skb, struct net_device *dev) +{ + struct pxa_irda *si = netdev_priv(dev); + int speed = irda_get_next_speed(skb); + + /* + * Does this packet contain a request to change the interface + * speed? If so, remember it until we complete the transmission + * of this frame. + */ + if (speed != si->speed && speed != -1) + si->newspeed = speed; + + /* + * If this is an empty frame, we can bypass a lot. + */ + if (skb->len == 0) { + if (si->newspeed) { + si->newspeed = 0; + pxa_irda_set_speed(si, speed); + } + dev_kfree_skb(skb); + return 0; + } + + netif_stop_queue(dev); + + if (!IS_FIR(si)) { + si->tx_buff.data = si->tx_buff.head; + si->tx_buff.len = async_wrap_skb(skb, si->tx_buff.data, si->tx_buff.truesize); + + /* Disable STUART interrupts and switch to transmit mode. */ + STIER = 0; + STISR = IrSR_IR_TRANSMIT_ON | IrSR_XMODE_PULSE_1_6; + + /* enable STUART and transmit interrupts */ + STIER = IER_UUE | IER_TIE; + } else { + unsigned long mtt = irda_get_mtt(skb); + + si->dma_tx_buff_len = skb->len; + memcpy(si->dma_tx_buff, skb->data, skb->len); + + if (mtt) + while ((unsigned)(OSCR - si->last_oscr)/4 < mtt) + cpu_relax(); + + /* stop RX DMA, disable FICP */ + DCSR(si->rxdma) &= ~DCSR_RUN; + ICCR0 = 0; + + pxa_irda_fir_dma_tx_start(si); + ICCR0 = ICCR0_ITR | ICCR0_TXE; + } + + dev_kfree_skb(skb); + dev->trans_start = jiffies; + return 0; +} + +static int pxa_irda_ioctl(struct net_device *dev, struct ifreq *ifreq, int cmd) +{ + struct if_irda_req *rq = (struct if_irda_req *)ifreq; + struct pxa_irda *si = netdev_priv(dev); + int ret; + + switch (cmd) { + case SIOCSBANDWIDTH: + ret = -EPERM; + if (capable(CAP_NET_ADMIN)) { + /* + * We are unable to set the speed if the + * device is not running. + */ + if (netif_running(dev)) { + ret = pxa_irda_set_speed(si, + rq->ifr_baudrate); + } else { + printk(KERN_INFO "pxa_ir: SIOCSBANDWIDTH: !netif_running\n"); + ret = 0; + } + } + break; + + case SIOCSMEDIABUSY: + ret = -EPERM; + if (capable(CAP_NET_ADMIN)) { + irda_device_set_media_busy(dev, TRUE); + ret = 0; + } + break; + + case SIOCGRECEIVING: + ret = 0; + rq->ifr_receiving = IS_FIR(si) ? 0 + : si->rx_buff.state != OUTSIDE_FRAME; + break; + + default: + ret = -EOPNOTSUPP; + break; + } + + return ret; +} + +static struct net_device_stats *pxa_irda_stats(struct net_device *dev) +{ + struct pxa_irda *si = netdev_priv(dev); + return &si->stats; +} + +static void pxa_irda_startup(struct pxa_irda *si) +{ + /* Disable STUART interrupts */ + STIER = 0; + /* enable STUART interrupt to the processor */ + STMCR = MCR_OUT2; + /* configure SIR frame format: StartBit - Data 7 ... Data 0 - Stop Bit */ + STLCR = LCR_WLS0 | LCR_WLS1; + /* enable FIFO, we use FIFO to improve performance */ + STFCR = FCR_TRFIFOE | FCR_ITL_32; + + /* disable FICP */ + ICCR0 = 0; + /* configure FICP ICCR2 */ + ICCR2 = ICCR2_TXP | ICCR2_TRIG_32; + + /* configure DMAC */ + DRCMR17 = si->rxdma | DRCMR_MAPVLD; + DRCMR18 = si->txdma | DRCMR_MAPVLD; + + /* force SIR reinitialization */ + si->speed = 4000000; + pxa_irda_set_speed(si, 9600); + + printk(KERN_DEBUG "pxa_ir: irda startup\n"); +} + +static void pxa_irda_shutdown(struct pxa_irda *si) +{ + unsigned long flags; + + local_irq_save(flags); + + /* disable STUART and interrupt */ + STIER = 0; + /* disable STUART SIR mode */ + STISR = 0; + /* disable the STUART clock */ + pxa_set_cken(CKEN5_STUART, 0); + + /* disable DMA */ + DCSR(si->txdma) &= ~DCSR_RUN; + DCSR(si->rxdma) &= ~DCSR_RUN; + /* disable FICP */ + ICCR0 = 0; + /* disable the FICP clock */ + pxa_set_cken(CKEN13_FICP, 0); + + DRCMR17 = 0; + DRCMR18 = 0; + + local_irq_restore(flags); + + /* power off board transceiver */ + si->pdata->transceiver_mode(si->dev, IR_OFF); + + printk(KERN_DEBUG "pxa_ir: irda shutdown\n"); +} + +static int pxa_irda_start(struct net_device *dev) +{ + struct pxa_irda *si = netdev_priv(dev); + int err; + + si->speed = 9600; + + err = request_irq(IRQ_STUART, pxa_irda_sir_irq, 0, dev->name, dev); + if (err) + goto err_irq1; + + err = request_irq(IRQ_ICP, pxa_irda_fir_irq, 0, dev->name, dev); + if (err) + goto err_irq2; + + /* + * The interrupt must remain disabled for now. + */ + disable_irq(IRQ_STUART); + disable_irq(IRQ_ICP); + + err = -EBUSY; + si->rxdma = pxa_request_dma("FICP_RX",DMA_PRIO_LOW, pxa_irda_fir_dma_rx_irq, dev); + if (si->rxdma < 0) + goto err_rx_dma; + + si->txdma = pxa_request_dma("FICP_TX",DMA_PRIO_LOW, pxa_irda_fir_dma_tx_irq, dev); + if (si->txdma < 0) + goto err_tx_dma; + + err = -ENOMEM; + si->dma_rx_buff = dma_alloc_coherent(si->dev, IRDA_FRAME_SIZE_LIMIT, + &si->dma_rx_buff_phy, GFP_KERNEL ); + if (!si->dma_rx_buff) + goto err_dma_rx_buff; + + si->dma_tx_buff = dma_alloc_coherent(si->dev, IRDA_FRAME_SIZE_LIMIT, + &si->dma_tx_buff_phy, GFP_KERNEL ); + if (!si->dma_tx_buff) + goto err_dma_tx_buff; + + /* Setup the serial port for the initial speed. */ + pxa_irda_startup(si); + + /* + * Open a new IrLAP layer instance. + */ + si->irlap = irlap_open(dev, &si->qos, "pxa"); + err = -ENOMEM; + if (!si->irlap) + goto err_irlap; + + /* + * Now enable the interrupt and start the queue + */ + enable_irq(IRQ_STUART); + enable_irq(IRQ_ICP); + netif_start_queue(dev); + + printk(KERN_DEBUG "pxa_ir: irda driver opened\n"); + + return 0; + +err_irlap: + pxa_irda_shutdown(si); + dma_free_coherent(si->dev, IRDA_FRAME_SIZE_LIMIT, si->dma_tx_buff, si->dma_tx_buff_phy); +err_dma_tx_buff: + dma_free_coherent(si->dev, IRDA_FRAME_SIZE_LIMIT, si->dma_rx_buff, si->dma_rx_buff_phy); +err_dma_rx_buff: + pxa_free_dma(si->txdma); +err_tx_dma: + pxa_free_dma(si->rxdma); +err_rx_dma: + free_irq(IRQ_ICP, dev); +err_irq2: + free_irq(IRQ_STUART, dev); +err_irq1: + + return err; +} + +static int pxa_irda_stop(struct net_device *dev) +{ + struct pxa_irda *si = netdev_priv(dev); + + netif_stop_queue(dev); + + pxa_irda_shutdown(si); + + /* Stop IrLAP */ + if (si->irlap) { + irlap_close(si->irlap); + si->irlap = NULL; + } + + free_irq(IRQ_STUART, dev); + free_irq(IRQ_ICP, dev); + + pxa_free_dma(si->rxdma); + pxa_free_dma(si->txdma); + + if (si->dma_rx_buff) + dma_free_coherent(si->dev, IRDA_FRAME_SIZE_LIMIT, si->dma_tx_buff, si->dma_tx_buff_phy); + if (si->dma_tx_buff) + dma_free_coherent(si->dev, IRDA_FRAME_SIZE_LIMIT, si->dma_rx_buff, si->dma_rx_buff_phy); + + printk(KERN_DEBUG "pxa_ir: irda driver closed\n"); + return 0; +} + +static int pxa_irda_suspend(struct device *_dev, pm_message_t state) +{ + struct net_device *dev = dev_get_drvdata(_dev); + struct pxa_irda *si; + + if (dev && netif_running(dev)) { + si = netdev_priv(dev); + netif_device_detach(dev); + pxa_irda_shutdown(si); + } + + return 0; +} + +static int pxa_irda_resume(struct device *_dev) +{ + struct net_device *dev = dev_get_drvdata(_dev); + struct pxa_irda *si; + + if (dev && netif_running(dev)) { + si = netdev_priv(dev); + pxa_irda_startup(si); + netif_device_attach(dev); + netif_wake_queue(dev); + } + + return 0; +} + + +static int pxa_irda_init_iobuf(iobuff_t *io, int size) +{ + io->head = kmalloc(size, GFP_KERNEL | GFP_DMA); + if (io->head != NULL) { + io->truesize = size; + io->in_frame = FALSE; + io->state = OUTSIDE_FRAME; + io->data = io->head; + } + return io->head ? 0 : -ENOMEM; +} + +static int pxa_irda_probe(struct device *_dev) +{ + struct platform_device *pdev = to_platform_device(_dev); + struct net_device *dev; + struct pxa_irda *si; + unsigned int baudrate_mask; + int err; + + if (!pdev->dev.platform_data) + return -ENODEV; + + err = request_mem_region(__PREG(STUART), 0x24, "IrDA") ? 0 : -EBUSY; + if (err) + goto err_mem_1; + + err = request_mem_region(__PREG(FICP), 0x1c, "IrDA") ? 0 : -EBUSY; + if (err) + goto err_mem_2; + + dev = alloc_irdadev(sizeof(struct pxa_irda)); + if (!dev) + goto err_mem_3; + + si = netdev_priv(dev); + si->dev = &pdev->dev; + si->pdata = pdev->dev.platform_data; + + /* + * Initialise the SIR buffers + */ + err = pxa_irda_init_iobuf(&si->rx_buff, 14384); + if (err) + goto err_mem_4; + err = pxa_irda_init_iobuf(&si->tx_buff, 4000); + if (err) + goto err_mem_5; + + dev->hard_start_xmit = pxa_irda_hard_xmit; + dev->open = pxa_irda_start; + dev->stop = pxa_irda_stop; + dev->do_ioctl = pxa_irda_ioctl; + dev->get_stats = pxa_irda_stats; + + irda_init_max_qos_capabilies(&si->qos); + + baudrate_mask = 0; + if (si->pdata->transceiver_cap & IR_SIRMODE) + baudrate_mask |= IR_9600|IR_19200|IR_38400|IR_57600|IR_115200; + if (si->pdata->transceiver_cap & IR_FIRMODE) + baudrate_mask |= IR_4000000 << 8; + + si->qos.baud_rate.bits &= baudrate_mask; + si->qos.min_turn_time.bits = 7; /* 1ms or more */ + + irda_qos_bits_to_value(&si->qos); + + err = register_netdev(dev); + + if (err == 0) + dev_set_drvdata(&pdev->dev, dev); + + if (err) { + kfree(si->tx_buff.head); +err_mem_5: + kfree(si->rx_buff.head); +err_mem_4: + free_netdev(dev); +err_mem_3: + release_mem_region(__PREG(FICP), 0x1c); +err_mem_2: + release_mem_region(__PREG(STUART), 0x24); + } +err_mem_1: + return err; +} + +static int pxa_irda_remove(struct device *_dev) +{ + struct net_device *dev = dev_get_drvdata(_dev); + + if (dev) { + struct pxa_irda *si = netdev_priv(dev); + unregister_netdev(dev); + kfree(si->tx_buff.head); + kfree(si->rx_buff.head); + free_netdev(dev); + } + + release_mem_region(__PREG(STUART), 0x24); + release_mem_region(__PREG(FICP), 0x1c); + + return 0; +} + +static struct device_driver pxa_ir_driver = { + .name = "pxa2xx-ir", + .bus = &platform_bus_type, + .probe = pxa_irda_probe, + .remove = pxa_irda_remove, + .suspend = pxa_irda_suspend, + .resume = pxa_irda_resume, +}; + +static int __init pxa_irda_init(void) +{ + return driver_register(&pxa_ir_driver); +} + +static void __exit pxa_irda_exit(void) +{ + driver_unregister(&pxa_ir_driver); +} + +module_init(pxa_irda_init); +module_exit(pxa_irda_exit); + +MODULE_LICENSE("GPL"); diff --git a/drivers/net/irda/sa1100_ir.c b/drivers/net/irda/sa1100_ir.c index 8d34ac60d906..06883309916d 100644 --- a/drivers/net/irda/sa1100_ir.c +++ b/drivers/net/irda/sa1100_ir.c @@ -291,12 +291,12 @@ static void sa1100_irda_shutdown(struct sa1100_irda *si) /* * Suspend the IrDA interface. */ -static int sa1100_irda_suspend(struct device *_dev, pm_message_t state, u32 level) +static int sa1100_irda_suspend(struct device *_dev, pm_message_t state) { struct net_device *dev = dev_get_drvdata(_dev); struct sa1100_irda *si; - if (!dev || level != SUSPEND_DISABLE) + if (!dev) return 0; si = dev->priv; @@ -316,12 +316,12 @@ static int sa1100_irda_suspend(struct device *_dev, pm_message_t state, u32 leve /* * Resume the IrDA interface. */ -static int sa1100_irda_resume(struct device *_dev, u32 level) +static int sa1100_irda_resume(struct device *_dev) { struct net_device *dev = dev_get_drvdata(_dev); struct sa1100_irda *si; - if (!dev || level != RESUME_ENABLE) + if (!dev) return 0; si = dev->priv; diff --git a/drivers/net/irda/sir_dev.c b/drivers/net/irda/sir_dev.c index efc5a8870565..df22b8b532e7 100644 --- a/drivers/net/irda/sir_dev.c +++ b/drivers/net/irda/sir_dev.c @@ -490,8 +490,7 @@ static void sirdev_free_buffers(struct sir_dev *dev) { if (dev->rx_buff.skb) kfree_skb(dev->rx_buff.skb); - if (dev->tx_buff.head) - kfree(dev->tx_buff.head); + kfree(dev->tx_buff.head); dev->rx_buff.head = dev->tx_buff.head = NULL; dev->rx_buff.skb = NULL; } diff --git a/drivers/net/irda/smsc-ircc2.c b/drivers/net/irda/smsc-ircc2.c index dd89bda1f131..140b7cdb1f7e 100644 --- a/drivers/net/irda/smsc-ircc2.c +++ b/drivers/net/irda/smsc-ircc2.c @@ -213,8 +213,8 @@ static int smsc_ircc_probe_transceiver_smsc_ircc_atc(int fir_base); /* Power Management */ -static int smsc_ircc_suspend(struct device *dev, pm_message_t state, u32 level); -static int smsc_ircc_resume(struct device *dev, u32 level); +static int smsc_ircc_suspend(struct device *dev, pm_message_t state); +static int smsc_ircc_resume(struct device *dev); static struct device_driver smsc_ircc_driver = { .name = SMSC_IRCC2_DRIVER_NAME, @@ -638,21 +638,14 @@ static void smsc_ircc_setup_qos(struct smsc_ircc_cb *self) */ static void smsc_ircc_init_chip(struct smsc_ircc_cb *self) { - int iobase, ir_mode, ctrl, fast; - - IRDA_ASSERT(self != NULL, return;); - - iobase = self->io.fir_base; - ir_mode = IRCC_CFGA_IRDA_SIR_A; - ctrl = 0; - fast = 0; + int iobase = self->io.fir_base; register_bank(iobase, 0); outb(IRCC_MASTER_RESET, iobase + IRCC_MASTER); outb(0x00, iobase + IRCC_MASTER); register_bank(iobase, 1); - outb(((inb(iobase + IRCC_SCE_CFGA) & 0x87) | ir_mode), + outb(((inb(iobase + IRCC_SCE_CFGA) & 0x87) | IRCC_CFGA_IRDA_SIR_A), iobase + IRCC_SCE_CFGA); #ifdef smsc_669 /* Uses pin 88/89 for Rx/Tx */ @@ -666,10 +659,10 @@ static void smsc_ircc_init_chip(struct smsc_ircc_cb *self) outb(SMSC_IRCC2_FIFO_THRESHOLD, iobase + IRCC_FIFO_THRESHOLD); register_bank(iobase, 4); - outb((inb(iobase + IRCC_CONTROL) & 0x30) | ctrl, iobase + IRCC_CONTROL); + outb((inb(iobase + IRCC_CONTROL) & 0x30), iobase + IRCC_CONTROL); register_bank(iobase, 0); - outb(fast, iobase + IRCC_LCR_A); + outb(0, iobase + IRCC_LCR_A); smsc_ircc_set_sir_speed(self, SMSC_IRCC2_C_IRDA_FALLBACK_SPEED); @@ -1556,6 +1549,46 @@ static int ircc_is_receiving(struct smsc_ircc_cb *self) } #endif /* unused */ +static int smsc_ircc_request_irq(struct smsc_ircc_cb *self) +{ + int error; + + error = request_irq(self->io.irq, smsc_ircc_interrupt, 0, + self->netdev->name, self->netdev); + if (error) + IRDA_DEBUG(0, "%s(), unable to allocate irq=%d, err=%d\n", + __FUNCTION__, self->io.irq, error); + + return error; +} + +static void smsc_ircc_start_interrupts(struct smsc_ircc_cb *self) +{ + unsigned long flags; + + spin_lock_irqsave(&self->lock, flags); + + self->io.speed = 0; + smsc_ircc_change_speed(self, SMSC_IRCC2_C_IRDA_FALLBACK_SPEED); + + spin_unlock_irqrestore(&self->lock, flags); +} + +static void smsc_ircc_stop_interrupts(struct smsc_ircc_cb *self) +{ + int iobase = self->io.fir_base; + unsigned long flags; + + spin_lock_irqsave(&self->lock, flags); + + register_bank(iobase, 0); + outb(0, iobase + IRCC_IER); + outb(IRCC_MASTER_RESET, iobase + IRCC_MASTER); + outb(0x00, iobase + IRCC_MASTER); + + spin_unlock_irqrestore(&self->lock, flags); +} + /* * Function smsc_ircc_net_open (dev) @@ -1567,7 +1600,6 @@ static int smsc_ircc_net_open(struct net_device *dev) { struct smsc_ircc_cb *self; char hwname[16]; - unsigned long flags; IRDA_DEBUG(1, "%s\n", __FUNCTION__); @@ -1575,6 +1607,11 @@ static int smsc_ircc_net_open(struct net_device *dev) self = netdev_priv(dev); IRDA_ASSERT(self != NULL, return 0;); + if (self->io.suspended) { + IRDA_DEBUG(0, "%s(), device is suspended\n", __FUNCTION__); + return -EAGAIN; + } + if (request_irq(self->io.irq, smsc_ircc_interrupt, 0, dev->name, (void *) dev)) { IRDA_DEBUG(0, "%s(), unable to allocate irq=%d\n", @@ -1582,11 +1619,7 @@ static int smsc_ircc_net_open(struct net_device *dev) return -EAGAIN; } - spin_lock_irqsave(&self->lock, flags); - /*smsc_ircc_sir_start(self);*/ - self->io.speed = 0; - smsc_ircc_change_speed(self, SMSC_IRCC2_C_IRDA_FALLBACK_SPEED); - spin_unlock_irqrestore(&self->lock, flags); + smsc_ircc_start_interrupts(self); /* Give self a hardware name */ /* It would be cool to offer the chip revision here - Jean II */ @@ -1639,37 +1672,63 @@ static int smsc_ircc_net_close(struct net_device *dev) irlap_close(self->irlap); self->irlap = NULL; - free_irq(self->io.irq, dev); + smsc_ircc_stop_interrupts(self); + + /* if we are called from smsc_ircc_resume we don't have IRQ reserved */ + if (!self->io.suspended) + free_irq(self->io.irq, dev); + disable_dma(self->io.dma); free_dma(self->io.dma); return 0; } -static int smsc_ircc_suspend(struct device *dev, pm_message_t state, u32 level) +static int smsc_ircc_suspend(struct device *dev, pm_message_t state) { struct smsc_ircc_cb *self = dev_get_drvdata(dev); - IRDA_MESSAGE("%s, Suspending\n", driver_name); + if (!self->io.suspended) { + IRDA_DEBUG(1, "%s, Suspending\n", driver_name); - if (level == SUSPEND_DISABLE && !self->io.suspended) { - smsc_ircc_net_close(self->netdev); + rtnl_lock(); + if (netif_running(self->netdev)) { + netif_device_detach(self->netdev); + smsc_ircc_stop_interrupts(self); + free_irq(self->io.irq, self->netdev); + disable_dma(self->io.dma); + } self->io.suspended = 1; + rtnl_unlock(); } return 0; } -static int smsc_ircc_resume(struct device *dev, u32 level) +static int smsc_ircc_resume(struct device *dev) { struct smsc_ircc_cb *self = dev_get_drvdata(dev); - if (level == RESUME_ENABLE && self->io.suspended) { - - smsc_ircc_net_open(self->netdev); + if (self->io.suspended) { + IRDA_DEBUG(1, "%s, Waking up\n", driver_name); + + rtnl_lock(); + smsc_ircc_init_chip(self); + if (netif_running(self->netdev)) { + if (smsc_ircc_request_irq(self)) { + /* + * Don't fail resume process, just kill this + * network interface + */ + unregister_netdevice(self->netdev); + } else { + enable_dma(self->io.dma); + smsc_ircc_start_interrupts(self); + netif_device_attach(self->netdev); + } + } self->io.suspended = 0; - - IRDA_MESSAGE("%s, Waking up\n", driver_name); + rtnl_unlock(); } return 0; } @@ -1682,9 +1741,6 @@ static int smsc_ircc_resume(struct device *dev, u32 level) */ static int __exit smsc_ircc_close(struct smsc_ircc_cb *self) { - int iobase; - unsigned long flags; - IRDA_DEBUG(1, "%s\n", __FUNCTION__); IRDA_ASSERT(self != NULL, return -1;); @@ -1694,22 +1750,7 @@ static int __exit smsc_ircc_close(struct smsc_ircc_cb *self) /* Remove netdevice */ unregister_netdev(self->netdev); - /* Make sure the irq handler is not exectuting */ - spin_lock_irqsave(&self->lock, flags); - - /* Stop interrupts */ - iobase = self->io.fir_base; - register_bank(iobase, 0); - outb(0, iobase + IRCC_IER); - outb(IRCC_MASTER_RESET, iobase + IRCC_MASTER); - outb(0x00, iobase + IRCC_MASTER); -#if 0 - /* Reset to SIR mode */ - register_bank(iobase, 1); - outb(IRCC_CFGA_IRDA_SIR_A|IRCC_CFGA_TX_POLARITY, iobase + IRCC_SCE_CFGA); - outb(IRCC_CFGB_IR, iobase + IRCC_SCE_CFGB); -#endif - spin_unlock_irqrestore(&self->lock, flags); + smsc_ircc_stop_interrupts(self); /* Release the PORTS that this driver is using */ IRDA_DEBUG(0, "%s(), releasing 0x%03x\n", __FUNCTION__, diff --git a/drivers/net/irda/stir4200.c b/drivers/net/irda/stir4200.c index 15f207323d97..3961a754e920 100644 --- a/drivers/net/irda/stir4200.c +++ b/drivers/net/irda/stir4200.c @@ -678,10 +678,9 @@ static void turnaround_delay(const struct stir_cb *stir, long us) return; ticks = us / (1000000 / HZ); - if (ticks > 0) { - current->state = TASK_INTERRUPTIBLE; - schedule_timeout(1 + ticks); - } else + if (ticks > 0) + schedule_timeout_interruptible(1 + ticks); + else udelay(us); } diff --git a/drivers/net/irda/vlsi_ir.c b/drivers/net/irda/vlsi_ir.c index 651c5a6578fd..a9f49f058cfb 100644 --- a/drivers/net/irda/vlsi_ir.c +++ b/drivers/net/irda/vlsi_ir.c @@ -473,8 +473,7 @@ static int vlsi_free_ring(struct vlsi_ring *r) rd_set_addr_status(rd, 0, 0); if (busaddr) pci_unmap_single(r->pdev, busaddr, r->len, r->dir); - if (rd->buf) - kfree(rd->buf); + kfree(rd->buf); } kfree(r); return 0; diff --git a/drivers/net/ixgb/ixgb_ethtool.c b/drivers/net/ixgb/ixgb_ethtool.c index 9d026ed77ddd..04e47189d830 100644 --- a/drivers/net/ixgb/ixgb_ethtool.c +++ b/drivers/net/ixgb/ixgb_ethtool.c @@ -645,11 +645,10 @@ ixgb_phys_id(struct net_device *netdev, uint32_t data) mod_timer(&adapter->blink_timer, jiffies); - set_current_state(TASK_INTERRUPTIBLE); - if(data) - schedule_timeout(data * HZ); + if (data) + schedule_timeout_interruptible(data * HZ); else - schedule_timeout(MAX_SCHEDULE_TIMEOUT); + schedule_timeout_interruptible(MAX_SCHEDULE_TIMEOUT); del_timer_sync(&adapter->blink_timer); ixgb_led_off(&adapter->hw); @@ -723,6 +722,7 @@ struct ethtool_ops ixgb_ethtool_ops = { .phys_id = ixgb_phys_id, .get_stats_count = ixgb_get_stats_count, .get_ethtool_stats = ixgb_get_ethtool_stats, + .get_perm_addr = ethtool_op_get_perm_addr, }; void ixgb_set_ethtool_ops(struct net_device *netdev) diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c index 89d6d69be382..176680cb153e 100644 --- a/drivers/net/ixgb/ixgb_main.c +++ b/drivers/net/ixgb/ixgb_main.c @@ -460,8 +460,9 @@ ixgb_probe(struct pci_dev *pdev, } ixgb_get_ee_mac_addr(&adapter->hw, netdev->dev_addr); + memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len); - if(!is_valid_ether_addr(netdev->dev_addr)) { + if(!is_valid_ether_addr(netdev->perm_addr)) { err = -EIO; goto err_eeprom; } diff --git a/drivers/net/lance.c b/drivers/net/lance.c index b4929beb33b2..1d75ca0bb939 100644 --- a/drivers/net/lance.c +++ b/drivers/net/lance.c @@ -298,7 +298,7 @@ enum {OLD_LANCE = 0, PCNET_ISA=1, PCNET_ISAP=2, PCNET_PCI=3, PCNET_VLB=4, PCNET_ static unsigned char lance_need_isa_bounce_buffers = 1; static int lance_open(struct net_device *dev); -static void lance_init_ring(struct net_device *dev, int mode); +static void lance_init_ring(struct net_device *dev, gfp_t mode); static int lance_start_xmit(struct sk_buff *skb, struct net_device *dev); static int lance_rx(struct net_device *dev); static irqreturn_t lance_interrupt(int irq, void *dev_id, struct pt_regs *regs); @@ -846,7 +846,7 @@ lance_purge_ring(struct net_device *dev) /* Initialize the LANCE Rx and Tx rings. */ static void -lance_init_ring(struct net_device *dev, int gfp) +lance_init_ring(struct net_device *dev, gfp_t gfp) { struct lance_private *lp = dev->priv; int i; diff --git a/drivers/net/lasi_82596.c b/drivers/net/lasi_82596.c index 41bad07ac1ac..f7b7238d8352 100644 --- a/drivers/net/lasi_82596.c +++ b/drivers/net/lasi_82596.c @@ -415,6 +415,10 @@ static int rx_ring_size = RX_RING_SIZE; static int ticks_limit = 100; static int max_cmd_backlog = TX_RING_SIZE-1; +#ifdef CONFIG_NET_POLL_CONTROLLER +static void i596_poll_controller(struct net_device *dev); +#endif + static inline void CA(struct net_device *dev) { @@ -636,11 +640,11 @@ static int init_i596_mem(struct net_device *dev) disable_irq(dev->irq); /* disable IRQs from LAN */ DEB(DEB_INIT, - printk("RESET 82596 port: %p (with IRQ %d disabled)\n", - (void*)(dev->base_addr + PA_I82596_RESET), + printk("RESET 82596 port: %lx (with IRQ %d disabled)\n", + (dev->base_addr + PA_I82596_RESET), dev->irq)); - gsc_writel(0, (void*)(dev->base_addr + PA_I82596_RESET)); /* Hard Reset */ + gsc_writel(0, (dev->base_addr + PA_I82596_RESET)); /* Hard Reset */ udelay(100); /* Wait 100us - seems to help */ /* change the scp address */ @@ -1209,6 +1213,9 @@ static int __devinit i82596_probe(struct net_device *dev, dev->set_multicast_list = set_multicast_list; dev->tx_timeout = i596_tx_timeout; dev->watchdog_timeo = TX_TIMEOUT; +#ifdef CONFIG_NET_POLL_CONTROLLER + dev->poll_controller = i596_poll_controller; +#endif dev->priv = (void *)(dev->mem_start); @@ -1242,6 +1249,14 @@ static int __devinit i82596_probe(struct net_device *dev, return 0; } +#ifdef CONFIG_NET_POLL_CONTROLLER +static void i596_poll_controller(struct net_device *dev) +{ + disable_irq(dev->irq); + i596_interrupt(dev->irq, dev, NULL); + enable_irq(dev->irq); +} +#endif static irqreturn_t i596_interrupt(int irq, void *dev_id, struct pt_regs *regs) { @@ -1528,17 +1543,18 @@ lan_init_chip(struct parisc_device *dev) if (!dev->irq) { printk(KERN_ERR "%s: IRQ not found for i82596 at 0x%lx\n", - __FILE__, dev->hpa); + __FILE__, dev->hpa.start); return -ENODEV; } - printk(KERN_INFO "Found i82596 at 0x%lx, IRQ %d\n", dev->hpa, dev->irq); + printk(KERN_INFO "Found i82596 at 0x%lx, IRQ %d\n", dev->hpa.start, + dev->irq); netdevice = alloc_etherdev(0); if (!netdevice) return -ENOMEM; - netdevice->base_addr = dev->hpa; + netdevice->base_addr = dev->hpa.start; netdevice->irq = dev->irq; retval = i82596_probe(netdevice, &dev->dev); @@ -1566,7 +1582,7 @@ static struct parisc_device_id lan_tbl[] = { MODULE_DEVICE_TABLE(parisc, lan_tbl); static struct parisc_driver lan_driver = { - .name = "Apricot", + .name = "lasi_82596", .id_table = lan_tbl, .probe = lan_init_chip, }; diff --git a/drivers/net/lne390.c b/drivers/net/lne390.c index 27f0d8ac4c40..309d254842cf 100644 --- a/drivers/net/lne390.c +++ b/drivers/net/lne390.c @@ -298,7 +298,7 @@ static int __init lne390_probe1(struct net_device *dev, int ioaddr) return 0; unmap: if (ei_status.reg0) - iounmap((void *)dev->mem_start); + iounmap(ei_status.mem); cleanup: free_irq(dev->irq, dev); return ret; diff --git a/drivers/net/mace.c b/drivers/net/mace.c index f2fc1f26cd4b..2a5add257b8f 100644 --- a/drivers/net/mace.c +++ b/drivers/net/mace.c @@ -1036,10 +1036,8 @@ static void __exit mace_cleanup(void) { macio_unregister_driver(&mace_driver); - if (dummy_buf) { - kfree(dummy_buf); - dummy_buf = NULL; - } + kfree(dummy_buf); + dummy_buf = NULL; } MODULE_AUTHOR("Paul Mackerras"); diff --git a/drivers/net/mii.c b/drivers/net/mii.c index c33cb3dc942b..e42aa797f08b 100644 --- a/drivers/net/mii.c +++ b/drivers/net/mii.c @@ -207,6 +207,20 @@ int mii_ethtool_sset(struct mii_if_info *mii, struct ethtool_cmd *ecmd) return 0; } +int mii_check_gmii_support(struct mii_if_info *mii) +{ + int reg; + + reg = mii->mdio_read(mii->dev, mii->phy_id, MII_BMSR); + if (reg & BMSR_ESTATEN) { + reg = mii->mdio_read(mii->dev, mii->phy_id, MII_ESTATUS); + if (reg & (ESTATUS_1000_TFULL | ESTATUS_1000_THALF)) + return 1; + } + + return 0; +} + int mii_link_ok (struct mii_if_info *mii) { /* first, a dummy read, needed to latch some MII phys */ @@ -394,5 +408,6 @@ EXPORT_SYMBOL(mii_ethtool_gset); EXPORT_SYMBOL(mii_ethtool_sset); EXPORT_SYMBOL(mii_check_link); EXPORT_SYMBOL(mii_check_media); +EXPORT_SYMBOL(mii_check_gmii_support); EXPORT_SYMBOL(generic_mii_ioctl); diff --git a/drivers/net/mipsnet.c b/drivers/net/mipsnet.c new file mode 100644 index 000000000000..f79f7ee72ab8 --- /dev/null +++ b/drivers/net/mipsnet.c @@ -0,0 +1,371 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#define DEBUG + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/netdevice.h> +#include <linux/sched.h> +#include <linux/etherdevice.h> +#include <linux/netdevice.h> +#include <asm/io.h> +#include <asm/mips-boards/simint.h> + +#include "mipsnet.h" /* actual device IO mapping */ + +#define MIPSNET_VERSION "2005-06-20" + +#define mipsnet_reg_address(dev, field) (dev->base_addr + field_offset(field)) + +struct mipsnet_priv { + struct net_device_stats stats; +}; + +static struct platform_device *mips_plat_dev; + +static char mipsnet_string[] = "mipsnet"; + +/* + * Copy data from the MIPSNET rx data port + */ +static int ioiocpy_frommipsnet(struct net_device *dev, unsigned char *kdata, + int len) +{ + uint32_t available_len = inl(mipsnet_reg_address(dev, rxDataCount)); + if (available_len < len) + return -EFAULT; + + for (; len > 0; len--, kdata++) { + *kdata = inb(mipsnet_reg_address(dev, rxDataBuffer)); + } + + return inl(mipsnet_reg_address(dev, rxDataCount)); +} + +static inline ssize_t mipsnet_put_todevice(struct net_device *dev, + struct sk_buff *skb) +{ + int count_to_go = skb->len; + char *buf_ptr = skb->data; + struct mipsnet_priv *mp = netdev_priv(dev); + + pr_debug("%s: %s(): telling MIPSNET txDataCount(%d)\n", + dev->name, __FUNCTION__, skb->len); + + outl(skb->len, mipsnet_reg_address(dev, txDataCount)); + + pr_debug("%s: %s(): sending data to MIPSNET txDataBuffer(%d)\n", + dev->name, __FUNCTION__, skb->len); + + for (; count_to_go; buf_ptr++, count_to_go--) { + outb(*buf_ptr, mipsnet_reg_address(dev, txDataBuffer)); + } + + mp->stats.tx_packets++; + mp->stats.tx_bytes += skb->len; + + return skb->len; +} + +static int mipsnet_xmit(struct sk_buff *skb, struct net_device *dev) +{ + pr_debug("%s:%s(): transmitting %d bytes\n", + dev->name, __FUNCTION__, skb->len); + + /* Only one packet at a time. Once TXDONE interrupt is serviced, the + * queue will be restarted. + */ + netif_stop_queue(dev); + mipsnet_put_todevice(dev, skb); + + return 0; +} + +static inline ssize_t mipsnet_get_fromdev(struct net_device *dev, size_t count) +{ + struct sk_buff *skb; + size_t len = count; + struct mipsnet_priv *mp = netdev_priv(dev); + + if (!(skb = alloc_skb(len + 2, GFP_KERNEL))) { + mp->stats.rx_dropped++; + return -ENOMEM; + } + + skb_reserve(skb, 2); + if (ioiocpy_frommipsnet(dev, skb_put(skb, len), len)) + return -EFAULT; + + skb->dev = dev; + skb->protocol = eth_type_trans(skb, dev); + skb->ip_summed = CHECKSUM_UNNECESSARY; + + pr_debug("%s:%s(): pushing RXed data to kernel\n", + dev->name, __FUNCTION__); + netif_rx(skb); + + mp->stats.rx_packets++; + mp->stats.rx_bytes += len; + + return count; +} + +static irqreturn_t +mipsnet_interrupt(int irq, void *dev_id, struct pt_regs *regs) +{ + struct net_device *dev = dev_id; + + irqreturn_t retval = IRQ_NONE; + uint64_t interruptFlags; + + if (irq == dev->irq) { + pr_debug("%s:%s(): irq %d for device\n", + dev->name, __FUNCTION__, irq); + + retval = IRQ_HANDLED; + + interruptFlags = + inl(mipsnet_reg_address(dev, interruptControl)); + pr_debug("%s:%s(): intCtl=0x%016llx\n", dev->name, + __FUNCTION__, interruptFlags); + + if (interruptFlags & MIPSNET_INTCTL_TXDONE) { + pr_debug("%s:%s(): got TXDone\n", + dev->name, __FUNCTION__); + outl(MIPSNET_INTCTL_TXDONE, + mipsnet_reg_address(dev, interruptControl)); + // only one packet at a time, we are done. + netif_wake_queue(dev); + } else if (interruptFlags & MIPSNET_INTCTL_RXDONE) { + pr_debug("%s:%s(): got RX data\n", + dev->name, __FUNCTION__); + mipsnet_get_fromdev(dev, + inl(mipsnet_reg_address(dev, rxDataCount))); + pr_debug("%s:%s(): clearing RX int\n", + dev->name, __FUNCTION__); + outl(MIPSNET_INTCTL_RXDONE, + mipsnet_reg_address(dev, interruptControl)); + + } else if (interruptFlags & MIPSNET_INTCTL_TESTBIT) { + pr_debug("%s:%s(): got test interrupt\n", + dev->name, __FUNCTION__); + // TESTBIT is cleared on read. + // And takes effect after a write with 0 + outl(0, mipsnet_reg_address(dev, interruptControl)); + } else { + pr_debug("%s:%s(): no valid fags 0x%016llx\n", + dev->name, __FUNCTION__, interruptFlags); + // Maybe shared IRQ, just ignore, no clearing. + retval = IRQ_NONE; + } + + } else { + printk(KERN_INFO "%s: %s(): irq %d for unknown device\n", + dev->name, __FUNCTION__, irq); + retval = IRQ_NONE; + } + return retval; +} //mipsnet_interrupt() + +static int mipsnet_open(struct net_device *dev) +{ + int err; + pr_debug("%s: mipsnet_open\n", dev->name); + + err = request_irq(dev->irq, &mipsnet_interrupt, + SA_SHIRQ, dev->name, (void *) dev); + + if (err) { + pr_debug("%s: %s(): can't get irq %d\n", + dev->name, __FUNCTION__, dev->irq); + release_region(dev->base_addr, MIPSNET_IO_EXTENT); + return err; + } + + pr_debug("%s: %s(): got IO region at 0x%04lx and irq %d for dev.\n", + dev->name, __FUNCTION__, dev->base_addr, dev->irq); + + + netif_start_queue(dev); + + // test interrupt handler + outl(MIPSNET_INTCTL_TESTBIT, + mipsnet_reg_address(dev, interruptControl)); + + + return 0; +} + +static int mipsnet_close(struct net_device *dev) +{ + pr_debug("%s: %s()\n", dev->name, __FUNCTION__); + netif_stop_queue(dev); + return 0; +} + +static struct net_device_stats *mipsnet_get_stats(struct net_device *dev) +{ + struct mipsnet_priv *mp = netdev_priv(dev); + + return &mp->stats; +} + +static void mipsnet_set_mclist(struct net_device *dev) +{ + // we don't do anything + return; +} + +static int __init mipsnet_probe(struct device *dev) +{ + struct net_device *netdev; + int err; + + netdev = alloc_etherdev(sizeof(struct mipsnet_priv)); + if (!netdev) { + err = -ENOMEM; + goto out; + } + + dev_set_drvdata(dev, netdev); + + netdev->open = mipsnet_open; + netdev->stop = mipsnet_close; + netdev->hard_start_xmit = mipsnet_xmit; + netdev->get_stats = mipsnet_get_stats; + netdev->set_multicast_list = mipsnet_set_mclist; + + /* + * TODO: probe for these or load them from PARAM + */ + netdev->base_addr = 0x4200; + netdev->irq = MIPSCPU_INT_BASE + MIPSCPU_INT_MB0 + + inl(mipsnet_reg_address(netdev, interruptInfo)); + + // Get the io region now, get irq on open() + if (!request_region(netdev->base_addr, MIPSNET_IO_EXTENT, "mipsnet")) { + pr_debug("%s: %s(): IO region {start: 0x%04lux, len: %d} " + "for dev is not availble.\n", netdev->name, + __FUNCTION__, netdev->base_addr, MIPSNET_IO_EXTENT); + err = -EBUSY; + goto out_free_netdev; + } + + /* + * Lacking any better mechanism to allocate a MAC address we use a + * random one ... + */ + random_ether_addr(netdev->dev_addr); + + err = register_netdev(netdev); + if (err) { + printk(KERN_ERR "MIPSNet: failed to register netdev.\n"); + goto out_free_region; + } + + return 0; + +out_free_region: + release_region(netdev->base_addr, MIPSNET_IO_EXTENT); + +out_free_netdev: + free_netdev(netdev); + +out: + return err; +} + +static int __devexit mipsnet_device_remove(struct device *device) +{ + struct net_device *dev = dev_get_drvdata(device); + + unregister_netdev(dev); + release_region(dev->base_addr, MIPSNET_IO_EXTENT); + free_netdev(dev); + dev_set_drvdata(device, NULL); + + return 0; +} + +static struct device_driver mipsnet_driver = { + .name = mipsnet_string, + .bus = &platform_bus_type, + .probe = mipsnet_probe, + .remove = __devexit_p(mipsnet_device_remove), +}; + +static void mipsnet_platform_release(struct device *device) +{ + struct platform_device *pldev; + + /* free device */ + pldev = to_platform_device(device); + kfree(pldev); +} + +static int __init mipsnet_init_module(void) +{ + struct platform_device *pldev; + int err; + + printk(KERN_INFO "MIPSNet Ethernet driver. Version: %s. " + "(c)2005 MIPS Technologies, Inc.\n", MIPSNET_VERSION); + + if (driver_register(&mipsnet_driver)) { + printk(KERN_ERR "Driver registration failed\n"); + err = -ENODEV; + goto out; + } + + if (!(pldev = kmalloc (sizeof (*pldev), GFP_KERNEL))) { + err = -ENOMEM; + goto out_unregister_driver; + } + + memset (pldev, 0, sizeof (*pldev)); + pldev->name = mipsnet_string; + pldev->id = 0; + pldev->dev.release = mipsnet_platform_release; + + if (platform_device_register(pldev)) { + err = -ENODEV; + goto out_free_pldev; + } + + if (!pldev->dev.driver) { + /* + * The driver was not bound to this device, there was + * no hardware at this address. Unregister it, as the + * release fuction will take care of freeing the + * allocated structure + */ + platform_device_unregister (pldev); + } + + mips_plat_dev = pldev; + + return 0; + +out_free_pldev: + kfree(pldev); + +out_unregister_driver: + driver_unregister(&mipsnet_driver); +out: + return err; +} + +static void __exit mipsnet_exit_module(void) +{ + pr_debug("MIPSNet Ethernet driver exiting\n"); + + driver_unregister(&mipsnet_driver); +} + +module_init(mipsnet_init_module); +module_exit(mipsnet_exit_module); diff --git a/drivers/net/mipsnet.h b/drivers/net/mipsnet.h new file mode 100644 index 000000000000..878535953cb1 --- /dev/null +++ b/drivers/net/mipsnet.h @@ -0,0 +1,127 @@ +// +// <COPYRIGHT CLASS="1B" YEAR="2005"> +// Unpublished work (c) MIPS Technologies, Inc. All rights reserved. +// Unpublished rights reserved under the copyright laws of the U.S.A. and +// other countries. +// +// PROPRIETARY / SECRET CONFIDENTIAL INFORMATION OF MIPS TECHNOLOGIES, INC. +// FOR INTERNAL USE ONLY. +// +// Under no circumstances (contract or otherwise) may this information be +// disclosed to, or copied, modified or used by anyone other than employees +// or contractors of MIPS Technologies having a need to know. +// </COPYRIGHT> +// +//++ +// File: MIPS_Net.h +// +// Description: +// The definition of the emulated MIPSNET device's interface. +// +// Notes: This include file needs to work from a Linux device drivers. +// +//-- +// + +#ifndef __MIPSNET_H +#define __MIPSNET_H + +/* + * Id of this Net device, as seen by the core. + */ +#define MIPS_NET_DEV_ID ((uint64_t) \ + ((uint64_t)'M'<< 0)| \ + ((uint64_t)'I'<< 8)| \ + ((uint64_t)'P'<<16)| \ + ((uint64_t)'S'<<24)| \ + ((uint64_t)'N'<<32)| \ + ((uint64_t)'E'<<40)| \ + ((uint64_t)'T'<<48)| \ + ((uint64_t)'0'<<56)) + +/* + * Net status/control block as seen by sw in the core. + * (Why not use bit fields? can't be bothered with cross-platform struct + * packing.) + */ +typedef struct _net_control_block { + /// dev info for probing + /// reads as MIPSNET%d where %d is some form of version + uint64_t devId; /*0x00 */ + + /* + * read only busy flag. + * Set and cleared by the Net Device to indicate that an rx or a tx + * is in progress. + */ + uint32_t busy; /*0x08 */ + + /* + * Set by the Net Device. + * The device will set it once data has been received. + * The value is the number of bytes that should be read from + * rxDataBuffer. The value will decrease till 0 until all the data + * from rxDataBuffer has been read. + */ + uint32_t rxDataCount; /*0x0c */ +#define MIPSNET_MAX_RXTX_DATACOUNT (1<<16) + + /* + * Settable from the MIPS core, cleared by the Net Device. + * The core should set the number of bytes it wants to send, + * then it should write those bytes of data to txDataBuffer. + * The device will clear txDataCount has been processed (not necessarily sent). + */ + uint32_t txDataCount; /*0x10 */ + + /* + * Interrupt control + * + * Used to clear the interrupted generated by this dev. + * Write a 1 to clear the interrupt. (except bit31). + * + * Bit0 is set if it was a tx-done interrupt. + * Bit1 is set when new rx-data is available. + * Until this bit is cleared there will be no other RXs. + * + * Bit31 is used for testing, it clears after a read. + * Writing 1 to this bit will cause an interrupt to be generated. + * To clear the test interrupt, write 0 to this register. + */ + uint32_t interruptControl; /*0x14 */ +#define MIPSNET_INTCTL_TXDONE ((uint32_t)(1<< 0)) +#define MIPSNET_INTCTL_RXDONE ((uint32_t)(1<< 1)) +#define MIPSNET_INTCTL_TESTBIT ((uint32_t)(1<<31)) +#define MIPSNET_INTCTL_ALLSOURCES (MIPSNET_INTCTL_TXDONE|MIPSNET_INTCTL_RXDONE|MIPSNET_INTCTL_TESTBIT) + + /* + * Readonly core-specific interrupt info for the device to signal the core. + * The meaning of the contents of this field might change. + */ + /*###\todo: the whole memIntf interrupt scheme is messy: the device should have + * no control what so ever of what VPE/register set is being used. + * The MemIntf should only expose interrupt lines, and something in the + * config should be responsible for the line<->core/vpe bindings. + */ + uint32_t interruptInfo; /*0x18 */ + + /* + * This is where the received data is read out. + * There is more data to read until rxDataReady is 0. + * Only 1 byte at this regs offset is used. + */ + uint32_t rxDataBuffer; /*0x1c */ + + /* + * This is where the data to transmit is written. + * Data should be written for the amount specified in the txDataCount register. + * Only 1 byte at this regs offset is used. + */ + uint32_t txDataBuffer; /*0x20 */ +} MIPS_T_NetControl; + +#define MIPSNET_IO_EXTENT 0x40 /* being generous */ + +#define field_offset(field) ((int)&((MIPS_T_NetControl*)(0))->field) + +#endif /* __MIPSNET_H */ diff --git a/drivers/net/myri_sbus.c b/drivers/net/myri_sbus.c index f0996ce5c268..6c86dca62e2a 100644 --- a/drivers/net/myri_sbus.c +++ b/drivers/net/myri_sbus.c @@ -277,7 +277,7 @@ static void myri_init_rings(struct myri_eth *mp, int from_irq) struct recvq __iomem *rq = mp->rq; struct myri_rxd __iomem *rxd = &rq->myri_rxd[0]; struct net_device *dev = mp->dev; - int gfp_flags = GFP_KERNEL; + gfp_t gfp_flags = GFP_KERNEL; int i; if (from_irq || in_interrupt()) diff --git a/drivers/net/myri_sbus.h b/drivers/net/myri_sbus.h index 9391e55a5e92..47722f708a41 100644 --- a/drivers/net/myri_sbus.h +++ b/drivers/net/myri_sbus.h @@ -296,7 +296,7 @@ struct myri_eth { /* We use this to acquire receive skb's that we can DMA directly into. */ #define ALIGNED_RX_SKB_ADDR(addr) \ ((((unsigned long)(addr) + (64 - 1)) & ~(64 - 1)) - (unsigned long)(addr)) -static inline struct sk_buff *myri_alloc_skb(unsigned int length, int gfp_flags) +static inline struct sk_buff *myri_alloc_skb(unsigned int length, gfp_t gfp_flags) { struct sk_buff *skb; diff --git a/drivers/net/ne.c b/drivers/net/ne.c index d209a1556b2e..0de8fdd2aa86 100644 --- a/drivers/net/ne.c +++ b/drivers/net/ne.c @@ -54,6 +54,10 @@ static const char version2[] = #include <asm/system.h> #include <asm/io.h> +#if defined(CONFIG_TOSHIBA_RBTX4927) || defined(CONFIG_TOSHIBA_RBTX4938) +#include <asm/tx4938/rbtx4938.h> +#endif + #include "8390.h" #define DRV_NAME "ne" @@ -111,6 +115,9 @@ bad_clone_list[] __initdata = { {"E-LAN100", "E-LAN200", {0x00, 0x00, 0x5d}}, /* Broken ne1000 clones */ {"PCM-4823", "PCM-4823", {0x00, 0xc0, 0x6c}}, /* Broken Advantech MoBo */ {"REALTEK", "RTL8019", {0x00, 0x00, 0xe8}}, /* no-name with Realtek chip */ +#if defined(CONFIG_TOSHIBA_RBTX4927) || defined(CONFIG_TOSHIBA_RBTX4938) + {"RBHMA4X00-RTL8019", "RBHMA4X00/RTL8019", {0x00, 0x60, 0x0a}}, /* Toshiba built-in */ +#endif {"LCS-8834", "LCS-8836", {0x04, 0x04, 0x37}}, /* ShinyNet (SET) */ {NULL,} }; @@ -226,6 +233,10 @@ struct net_device * __init ne_probe(int unit) sprintf(dev->name, "eth%d", unit); netdev_boot_setup_check(dev); +#ifdef CONFIG_TOSHIBA_RBTX4938 + dev->base_addr = 0x07f20280; + dev->irq = RBTX4938_RTL_8019_IRQ; +#endif err = do_ne_probe(dev); if (err) goto out; @@ -506,6 +517,10 @@ static int __init ne_probe1(struct net_device *dev, int ioaddr) ei_status.name = name; ei_status.tx_start_page = start_page; ei_status.stop_page = stop_page; +#if defined(CONFIG_TOSHIBA_RBTX4927) || defined(CONFIG_TOSHIBA_RBTX4938) + wordlength = 1; +#endif + #ifdef CONFIG_PLAT_OAKS32R ei_status.word16 = 0; #else diff --git a/drivers/net/ne2k-pci.c b/drivers/net/ne2k-pci.c index f1c01ac29102..d11821dd86ed 100644 --- a/drivers/net/ne2k-pci.c +++ b/drivers/net/ne2k-pci.c @@ -372,6 +372,7 @@ static int __devinit ne2k_pci_init_one (struct pci_dev *pdev, printk("%2.2X%s", SA_prom[i], i == 5 ? ".\n": ":"); dev->dev_addr[i] = SA_prom[i]; } + memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); return 0; @@ -637,6 +638,7 @@ static struct ethtool_ops ne2k_pci_ethtool_ops = { .get_drvinfo = ne2k_pci_get_drvinfo, .get_tx_csum = ethtool_op_get_tx_csum, .get_sg = ethtool_op_get_sg, + .get_perm_addr = ethtool_op_get_perm_addr, }; static void __devexit ne2k_pci_remove_one (struct pci_dev *pdev) @@ -673,7 +675,6 @@ static int ne2k_pci_resume (struct pci_dev *pdev) pci_set_power_state(pdev, 0); pci_restore_state(pdev); pci_enable_device(pdev); - pci_set_master(pdev); NS8390_init(dev, 1); netif_device_attach(dev); diff --git a/drivers/net/ni65.c b/drivers/net/ni65.c index 925d1dfcc4dc..bb42ff218484 100644 --- a/drivers/net/ni65.c +++ b/drivers/net/ni65.c @@ -696,8 +696,7 @@ static void ni65_free_buffer(struct priv *p) return; for(i=0;i<TMDNUM;i++) { - if(p->tmdbounce[i]) - kfree(p->tmdbounce[i]); + kfree(p->tmdbounce[i]); #ifdef XMT_VIA_SKB if(p->tmd_skb[i]) dev_kfree_skb(p->tmd_skb[i]); @@ -710,12 +709,10 @@ static void ni65_free_buffer(struct priv *p) if(p->recv_skb[i]) dev_kfree_skb(p->recv_skb[i]); #else - if(p->recvbounce[i]) - kfree(p->recvbounce[i]); + kfree(p->recvbounce[i]); #endif } - if(p->self) - kfree(p->self); + kfree(p->self); } diff --git a/drivers/net/ns83820.c b/drivers/net/ns83820.c index e4811b42a6b7..a3c3fc9c0d8a 100644 --- a/drivers/net/ns83820.c +++ b/drivers/net/ns83820.c @@ -1632,8 +1632,7 @@ static void ns83820_run_bist(struct net_device *ndev, const char *name, u32 enab timed_out = 1; break; } - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(1); + schedule_timeout_uninterruptible(1); } if (status & fail) diff --git a/drivers/net/pcmcia/pcnet_cs.c b/drivers/net/pcmcia/pcnet_cs.c index 9f22d138e3ad..818c185d6438 100644 --- a/drivers/net/pcmcia/pcnet_cs.c +++ b/drivers/net/pcmcia/pcnet_cs.c @@ -1020,6 +1020,12 @@ static void set_misc_reg(struct net_device *dev) } else { outb(full_duplex ? 4 : 0, nic_base + DLINK_DIAG); } + } else if (info->flags & IS_DL10019) { + /* Advertise 100F, 100H, 10F, 10H */ + mdio_write(nic_base + DLINK_GPIO, info->eth_phy, 4, 0x01e1); + /* Restart MII autonegotiation */ + mdio_write(nic_base + DLINK_GPIO, info->eth_phy, 0, 0x0000); + mdio_write(nic_base + DLINK_GPIO, info->eth_phy, 0, 0x1200); } } diff --git a/drivers/net/pcnet32.c b/drivers/net/pcnet32.c index 113b68099216..70fe81a89df9 100644 --- a/drivers/net/pcnet32.c +++ b/drivers/net/pcnet32.c @@ -22,8 +22,8 @@ *************************************************************************/ #define DRV_NAME "pcnet32" -#define DRV_VERSION "1.30j" -#define DRV_RELDATE "29.04.2005" +#define DRV_VERSION "1.31a" +#define DRV_RELDATE "12.Sep.2005" #define PFX DRV_NAME ": " static const char *version = @@ -257,6 +257,9 @@ static int homepna[MAX_UNITS]; * v1.30h 24 Jun 2004 Don Fry correctly select auto, speed, duplex in bcr32. * v1.30i 28 Jun 2004 Don Fry change to use module_param. * v1.30j 29 Apr 2005 Don Fry fix skb/map leak with loopback test. + * v1.31 02 Sep 2005 Hubert WS Lin <wslin@tw.ibm.c0m> added set_ringparam(). + * v1.31a 12 Sep 2005 Hubert WS Lin <wslin@tw.ibm.c0m> set min ring size to 4 + * to allow loopback test to work unchanged. */ @@ -266,17 +269,17 @@ static int homepna[MAX_UNITS]; * That translates to 2 (4 == 2^^2) and 4 (16 == 2^^4). */ #ifndef PCNET32_LOG_TX_BUFFERS -#define PCNET32_LOG_TX_BUFFERS 4 -#define PCNET32_LOG_RX_BUFFERS 5 +#define PCNET32_LOG_TX_BUFFERS 4 +#define PCNET32_LOG_RX_BUFFERS 5 +#define PCNET32_LOG_MAX_TX_BUFFERS 9 /* 2^9 == 512 */ +#define PCNET32_LOG_MAX_RX_BUFFERS 9 #endif #define TX_RING_SIZE (1 << (PCNET32_LOG_TX_BUFFERS)) -#define TX_RING_MOD_MASK (TX_RING_SIZE - 1) -#define TX_RING_LEN_BITS ((PCNET32_LOG_TX_BUFFERS) << 12) +#define TX_MAX_RING_SIZE (1 << (PCNET32_LOG_MAX_TX_BUFFERS)) #define RX_RING_SIZE (1 << (PCNET32_LOG_RX_BUFFERS)) -#define RX_RING_MOD_MASK (RX_RING_SIZE - 1) -#define RX_RING_LEN_BITS ((PCNET32_LOG_RX_BUFFERS) << 4) +#define RX_MAX_RING_SIZE (1 << (PCNET32_LOG_MAX_RX_BUFFERS)) #define PKT_BUF_SZ 1544 @@ -334,14 +337,14 @@ struct pcnet32_access { }; /* - * The first three fields of pcnet32_private are read by the ethernet device - * so we allocate the structure should be allocated by pci_alloc_consistent(). + * The first field of pcnet32_private is read by the ethernet device + * so the structure should be allocated using pci_alloc_consistent(). */ struct pcnet32_private { - /* The Tx and Rx ring entries must be aligned on 16-byte boundaries in 32bit mode. */ - struct pcnet32_rx_head rx_ring[RX_RING_SIZE]; - struct pcnet32_tx_head tx_ring[TX_RING_SIZE]; struct pcnet32_init_block init_block; + /* The Tx and Rx ring entries must be aligned on 16-byte boundaries in 32bit mode. */ + struct pcnet32_rx_head *rx_ring; + struct pcnet32_tx_head *tx_ring; dma_addr_t dma_addr; /* DMA address of beginning of this object, returned by pci_alloc_consistent */ @@ -349,13 +352,21 @@ struct pcnet32_private { structure */ const char *name; /* The saved address of a sent-in-place packet/buffer, for skfree(). */ - struct sk_buff *tx_skbuff[TX_RING_SIZE]; - struct sk_buff *rx_skbuff[RX_RING_SIZE]; - dma_addr_t tx_dma_addr[TX_RING_SIZE]; - dma_addr_t rx_dma_addr[RX_RING_SIZE]; + struct sk_buff **tx_skbuff; + struct sk_buff **rx_skbuff; + dma_addr_t *tx_dma_addr; + dma_addr_t *rx_dma_addr; struct pcnet32_access a; spinlock_t lock; /* Guard lock */ unsigned int cur_rx, cur_tx; /* The next free ring entry */ + unsigned int rx_ring_size; /* current rx ring size */ + unsigned int tx_ring_size; /* current tx ring size */ + unsigned int rx_mod_mask; /* rx ring modular mask */ + unsigned int tx_mod_mask; /* tx ring modular mask */ + unsigned short rx_len_bits; + unsigned short tx_len_bits; + dma_addr_t rx_ring_dma_addr; + dma_addr_t tx_ring_dma_addr; unsigned int dirty_rx, dirty_tx; /* The ring entries to be free()ed. */ struct net_device_stats stats; char tx_full; @@ -397,6 +408,9 @@ static int pcnet32_get_regs_len(struct net_device *dev); static void pcnet32_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *ptr); static void pcnet32_purge_tx_ring(struct net_device *dev); +static int pcnet32_alloc_ring(struct net_device *dev); +static void pcnet32_free_ring(struct net_device *dev); + enum pci_flags_bit { PCI_USES_IO=1, PCI_USES_MEM=2, PCI_USES_MASTER=4, @@ -613,10 +627,62 @@ static void pcnet32_get_ringparam(struct net_device *dev, struct ethtool_ringpar { struct pcnet32_private *lp = dev->priv; - ering->tx_max_pending = TX_RING_SIZE - 1; - ering->tx_pending = lp->cur_tx - lp->dirty_tx; - ering->rx_max_pending = RX_RING_SIZE - 1; - ering->rx_pending = lp->cur_rx & RX_RING_MOD_MASK; + ering->tx_max_pending = TX_MAX_RING_SIZE - 1; + ering->tx_pending = lp->tx_ring_size - 1; + ering->rx_max_pending = RX_MAX_RING_SIZE - 1; + ering->rx_pending = lp->rx_ring_size - 1; +} + +static int pcnet32_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering) +{ + struct pcnet32_private *lp = dev->priv; + unsigned long flags; + int i; + + if (ering->rx_mini_pending || ering->rx_jumbo_pending) + return -EINVAL; + + if (netif_running(dev)) + pcnet32_close(dev); + + spin_lock_irqsave(&lp->lock, flags); + pcnet32_free_ring(dev); + lp->tx_ring_size = min(ering->tx_pending, (unsigned int) TX_MAX_RING_SIZE); + lp->rx_ring_size = min(ering->rx_pending, (unsigned int) RX_MAX_RING_SIZE); + + /* set the minimum ring size to 4, to allow the loopback test to work + * unchanged. + */ + for (i = 2; i <= PCNET32_LOG_MAX_TX_BUFFERS; i++) { + if (lp->tx_ring_size <= (1 << i)) + break; + } + lp->tx_ring_size = (1 << i); + lp->tx_mod_mask = lp->tx_ring_size - 1; + lp->tx_len_bits = (i << 12); + + for (i = 2; i <= PCNET32_LOG_MAX_RX_BUFFERS; i++) { + if (lp->rx_ring_size <= (1 << i)) + break; + } + lp->rx_ring_size = (1 << i); + lp->rx_mod_mask = lp->rx_ring_size - 1; + lp->rx_len_bits = (i << 4); + + if (pcnet32_alloc_ring(dev)) { + pcnet32_free_ring(dev); + return -ENOMEM; + } + + spin_unlock_irqrestore(&lp->lock, flags); + + if (pcnet32_debug & NETIF_MSG_DRV) + printk(KERN_INFO PFX "Ring Param Settings: RX: %d, TX: %d\n", lp->rx_ring_size, lp->tx_ring_size); + + if (netif_running(dev)) + pcnet32_open(dev); + + return 0; } static void pcnet32_get_strings(struct net_device *dev, u32 stringset, u8 *data) @@ -948,6 +1014,7 @@ static struct ethtool_ops pcnet32_ethtool_ops = { .nway_reset = pcnet32_nway_reset, .get_link = pcnet32_get_link, .get_ringparam = pcnet32_get_ringparam, + .set_ringparam = pcnet32_set_ringparam, .get_tx_csum = ethtool_op_get_tx_csum, .get_sg = ethtool_op_get_sg, .get_tso = ethtool_op_get_tso, @@ -957,6 +1024,7 @@ static struct ethtool_ops pcnet32_ethtool_ops = { .phys_id = pcnet32_phys_id, .get_regs_len = pcnet32_get_regs_len, .get_regs = pcnet32_get_regs, + .get_perm_addr = ethtool_op_get_perm_addr, }; /* only probes for non-PCI devices, the rest are handled by @@ -1185,9 +1253,10 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev) memcpy(dev->dev_addr, promaddr, 6); } } + memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); /* if the ethernet address is not valid, force to 00:00:00:00:00:00 */ - if (!is_valid_ether_addr(dev->dev_addr)) + if (!is_valid_ether_addr(dev->perm_addr)) memset(dev->dev_addr, 0, sizeof(dev->dev_addr)); if (pcnet32_debug & NETIF_MSG_PROBE) { @@ -1239,6 +1308,12 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev) dev->priv = lp; lp->name = chipname; lp->shared_irq = shared; + lp->tx_ring_size = TX_RING_SIZE; /* default tx ring size */ + lp->rx_ring_size = RX_RING_SIZE; /* default rx ring size */ + lp->tx_mod_mask = lp->tx_ring_size - 1; + lp->rx_mod_mask = lp->rx_ring_size - 1; + lp->tx_len_bits = (PCNET32_LOG_TX_BUFFERS << 12); + lp->rx_len_bits = (PCNET32_LOG_RX_BUFFERS << 4); lp->mii_if.full_duplex = fdx; lp->mii_if.phy_id_mask = 0x1f; lp->mii_if.reg_num_mask = 0x1f; @@ -1265,21 +1340,23 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev) } lp->a = *a; + if (pcnet32_alloc_ring(dev)) { + ret = -ENOMEM; + goto err_free_ring; + } /* detect special T1/E1 WAN card by checking for MAC address */ if (dev->dev_addr[0] == 0x00 && dev->dev_addr[1] == 0xe0 && dev->dev_addr[2] == 0x75) lp->options = PCNET32_PORT_FD | PCNET32_PORT_GPSI; lp->init_block.mode = le16_to_cpu(0x0003); /* Disable Rx and Tx. */ - lp->init_block.tlen_rlen = le16_to_cpu(TX_RING_LEN_BITS | RX_RING_LEN_BITS); + lp->init_block.tlen_rlen = le16_to_cpu(lp->tx_len_bits | lp->rx_len_bits); for (i = 0; i < 6; i++) lp->init_block.phys_addr[i] = dev->dev_addr[i]; lp->init_block.filter[0] = 0x00000000; lp->init_block.filter[1] = 0x00000000; - lp->init_block.rx_ring = (u32)le32_to_cpu(lp->dma_addr + - offsetof(struct pcnet32_private, rx_ring)); - lp->init_block.tx_ring = (u32)le32_to_cpu(lp->dma_addr + - offsetof(struct pcnet32_private, tx_ring)); + lp->init_block.rx_ring = (u32)le32_to_cpu(lp->rx_ring_dma_addr); + lp->init_block.tx_ring = (u32)le32_to_cpu(lp->tx_ring_dma_addr); /* switch pcnet32 to 32bit mode */ a->write_bcr(ioaddr, 20, 2); @@ -1310,7 +1387,7 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev) if (pcnet32_debug & NETIF_MSG_PROBE) printk(", failed to detect IRQ line.\n"); ret = -ENODEV; - goto err_free_consistent; + goto err_free_ring; } if (pcnet32_debug & NETIF_MSG_PROBE) printk(", probed IRQ %d.\n", dev->irq); @@ -1341,7 +1418,7 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev) /* Fill in the generic fields of the device structure. */ if (register_netdev(dev)) - goto err_free_consistent; + goto err_free_ring; if (pdev) { pci_set_drvdata(pdev, dev); @@ -1359,6 +1436,8 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev) return 0; +err_free_ring: + pcnet32_free_ring(dev); err_free_consistent: pci_free_consistent(lp->pci_dev, sizeof(*lp), lp, lp->dma_addr); err_free_netdev: @@ -1369,6 +1448,86 @@ err_release_region: } +static int pcnet32_alloc_ring(struct net_device *dev) +{ + struct pcnet32_private *lp = dev->priv; + + if ((lp->tx_ring = pci_alloc_consistent(lp->pci_dev, sizeof(struct pcnet32_tx_head) * lp->tx_ring_size, + &lp->tx_ring_dma_addr)) == NULL) { + if (pcnet32_debug & NETIF_MSG_DRV) + printk(KERN_ERR PFX "Consistent memory allocation failed.\n"); + return -ENOMEM; + } + + if ((lp->rx_ring = pci_alloc_consistent(lp->pci_dev, sizeof(struct pcnet32_rx_head) * lp->rx_ring_size, + &lp->rx_ring_dma_addr)) == NULL) { + if (pcnet32_debug & NETIF_MSG_DRV) + printk(KERN_ERR PFX "Consistent memory allocation failed.\n"); + return -ENOMEM; + } + + if (!(lp->tx_dma_addr = kmalloc(sizeof(dma_addr_t) * lp->tx_ring_size, GFP_ATOMIC))) { + if (pcnet32_debug & NETIF_MSG_DRV) + printk(KERN_ERR PFX "Memory allocation failed.\n"); + return -ENOMEM; + } + memset(lp->tx_dma_addr, 0, sizeof(dma_addr_t) * lp->tx_ring_size); + + if (!(lp->rx_dma_addr = kmalloc(sizeof(dma_addr_t) * lp->rx_ring_size, GFP_ATOMIC))) { + if (pcnet32_debug & NETIF_MSG_DRV) + printk(KERN_ERR PFX "Memory allocation failed.\n"); + return -ENOMEM; + } + memset(lp->rx_dma_addr, 0, sizeof(dma_addr_t) * lp->rx_ring_size); + + if (!(lp->tx_skbuff = kmalloc(sizeof(struct sk_buff *) * lp->tx_ring_size, GFP_ATOMIC))) { + if (pcnet32_debug & NETIF_MSG_DRV) + printk(KERN_ERR PFX "Memory allocation failed.\n"); + return -ENOMEM; + } + memset(lp->tx_skbuff, 0, sizeof(struct sk_buff *) * lp->tx_ring_size); + + if (!(lp->rx_skbuff = kmalloc(sizeof(struct sk_buff *) * lp->rx_ring_size, GFP_ATOMIC))) { + if (pcnet32_debug & NETIF_MSG_DRV) + printk(KERN_ERR PFX "Memory allocation failed.\n"); + return -ENOMEM; + } + memset(lp->rx_skbuff, 0, sizeof(struct sk_buff *) * lp->rx_ring_size); + + return 0; +} + + +static void pcnet32_free_ring(struct net_device *dev) +{ + struct pcnet32_private *lp = dev->priv; + + kfree(lp->tx_skbuff); + lp->tx_skbuff = NULL; + + kfree(lp->rx_skbuff); + lp->rx_skbuff = NULL; + + kfree(lp->tx_dma_addr); + lp->tx_dma_addr = NULL; + + kfree(lp->rx_dma_addr); + lp->rx_dma_addr = NULL; + + if (lp->tx_ring) { + pci_free_consistent(lp->pci_dev, sizeof(struct pcnet32_tx_head) * lp->tx_ring_size, + lp->tx_ring, lp->tx_ring_dma_addr); + lp->tx_ring = NULL; + } + + if (lp->rx_ring) { + pci_free_consistent(lp->pci_dev, sizeof(struct pcnet32_rx_head) * lp->rx_ring_size, + lp->rx_ring, lp->rx_ring_dma_addr); + lp->rx_ring = NULL; + } +} + + static int pcnet32_open(struct net_device *dev) { @@ -1400,8 +1559,8 @@ pcnet32_open(struct net_device *dev) if (netif_msg_ifup(lp)) printk(KERN_DEBUG "%s: pcnet32_open() irq %d tx/rx rings %#x/%#x init %#x.\n", dev->name, dev->irq, - (u32) (lp->dma_addr + offsetof(struct pcnet32_private, tx_ring)), - (u32) (lp->dma_addr + offsetof(struct pcnet32_private, rx_ring)), + (u32) (lp->tx_ring_dma_addr), + (u32) (lp->rx_ring_dma_addr), (u32) (lp->dma_addr + offsetof(struct pcnet32_private, init_block))); /* set/reset autoselect bit */ @@ -1521,7 +1680,7 @@ pcnet32_open(struct net_device *dev) err_free_ring: /* free any allocated skbuffs */ - for (i = 0; i < RX_RING_SIZE; i++) { + for (i = 0; i < lp->rx_ring_size; i++) { lp->rx_ring[i].status = 0; if (lp->rx_skbuff[i]) { pci_unmap_single(lp->pci_dev, lp->rx_dma_addr[i], PKT_BUF_SZ-2, @@ -1531,6 +1690,9 @@ err_free_ring: lp->rx_skbuff[i] = NULL; lp->rx_dma_addr[i] = 0; } + + pcnet32_free_ring(dev); + /* * Switch back to 16bit mode to avoid problems with dumb * DOS packet driver after a warm reboot @@ -1562,7 +1724,7 @@ pcnet32_purge_tx_ring(struct net_device *dev) struct pcnet32_private *lp = dev->priv; int i; - for (i = 0; i < TX_RING_SIZE; i++) { + for (i = 0; i < lp->tx_ring_size; i++) { lp->tx_ring[i].status = 0; /* CPU owns buffer */ wmb(); /* Make sure adapter sees owner change */ if (lp->tx_skbuff[i]) { @@ -1587,7 +1749,7 @@ pcnet32_init_ring(struct net_device *dev) lp->cur_rx = lp->cur_tx = 0; lp->dirty_rx = lp->dirty_tx = 0; - for (i = 0; i < RX_RING_SIZE; i++) { + for (i = 0; i < lp->rx_ring_size; i++) { struct sk_buff *rx_skbuff = lp->rx_skbuff[i]; if (rx_skbuff == NULL) { if (!(rx_skbuff = lp->rx_skbuff[i] = dev_alloc_skb (PKT_BUF_SZ))) { @@ -1611,20 +1773,18 @@ pcnet32_init_ring(struct net_device *dev) } /* The Tx buffer address is filled in as needed, but we do need to clear * the upper ownership bit. */ - for (i = 0; i < TX_RING_SIZE; i++) { + for (i = 0; i < lp->tx_ring_size; i++) { lp->tx_ring[i].status = 0; /* CPU owns buffer */ wmb(); /* Make sure adapter sees owner change */ lp->tx_ring[i].base = 0; lp->tx_dma_addr[i] = 0; } - lp->init_block.tlen_rlen = le16_to_cpu(TX_RING_LEN_BITS | RX_RING_LEN_BITS); + lp->init_block.tlen_rlen = le16_to_cpu(lp->tx_len_bits | lp->rx_len_bits); for (i = 0; i < 6; i++) lp->init_block.phys_addr[i] = dev->dev_addr[i]; - lp->init_block.rx_ring = (u32)le32_to_cpu(lp->dma_addr + - offsetof(struct pcnet32_private, rx_ring)); - lp->init_block.tx_ring = (u32)le32_to_cpu(lp->dma_addr + - offsetof(struct pcnet32_private, tx_ring)); + lp->init_block.rx_ring = (u32)le32_to_cpu(lp->rx_ring_dma_addr); + lp->init_block.tx_ring = (u32)le32_to_cpu(lp->tx_ring_dma_addr); wmb(); /* Make sure all changes are visible */ return 0; } @@ -1682,13 +1842,13 @@ pcnet32_tx_timeout (struct net_device *dev) printk(KERN_DEBUG " Ring data dump: dirty_tx %d cur_tx %d%s cur_rx %d.", lp->dirty_tx, lp->cur_tx, lp->tx_full ? " (full)" : "", lp->cur_rx); - for (i = 0 ; i < RX_RING_SIZE; i++) + for (i = 0 ; i < lp->rx_ring_size; i++) printk("%s %08x %04x %08x %04x", i & 1 ? "" : "\n ", le32_to_cpu(lp->rx_ring[i].base), (-le16_to_cpu(lp->rx_ring[i].buf_length)) & 0xffff, le32_to_cpu(lp->rx_ring[i].msg_length), le16_to_cpu(lp->rx_ring[i].status)); - for (i = 0 ; i < TX_RING_SIZE; i++) + for (i = 0 ; i < lp->tx_ring_size; i++) printk("%s %08x %04x %08x %04x", i & 1 ? "" : "\n ", le32_to_cpu(lp->tx_ring[i].base), (-le16_to_cpu(lp->tx_ring[i].length)) & 0xffff, @@ -1729,7 +1889,7 @@ pcnet32_start_xmit(struct sk_buff *skb, struct net_device *dev) /* Fill in a Tx ring entry */ /* Mask to ring buffer boundary. */ - entry = lp->cur_tx & TX_RING_MOD_MASK; + entry = lp->cur_tx & lp->tx_mod_mask; /* Caution: the write order is important here, set the status * with the "ownership" bits last. */ @@ -1753,7 +1913,7 @@ pcnet32_start_xmit(struct sk_buff *skb, struct net_device *dev) dev->trans_start = jiffies; - if (lp->tx_ring[(entry+1) & TX_RING_MOD_MASK].base != 0) { + if (lp->tx_ring[(entry+1) & lp->tx_mod_mask].base != 0) { lp->tx_full = 1; netif_stop_queue(dev); } @@ -1806,7 +1966,7 @@ pcnet32_interrupt(int irq, void *dev_id, struct pt_regs * regs) int delta; while (dirty_tx != lp->cur_tx) { - int entry = dirty_tx & TX_RING_MOD_MASK; + int entry = dirty_tx & lp->tx_mod_mask; int status = (short)le16_to_cpu(lp->tx_ring[entry].status); if (status < 0) @@ -1864,18 +2024,18 @@ pcnet32_interrupt(int irq, void *dev_id, struct pt_regs * regs) dirty_tx++; } - delta = (lp->cur_tx - dirty_tx) & (TX_RING_MOD_MASK + TX_RING_SIZE); - if (delta > TX_RING_SIZE) { + delta = (lp->cur_tx - dirty_tx) & (lp->tx_mod_mask + lp->tx_ring_size); + if (delta > lp->tx_ring_size) { if (netif_msg_drv(lp)) printk(KERN_ERR "%s: out-of-sync dirty pointer, %d vs. %d, full=%d.\n", dev->name, dirty_tx, lp->cur_tx, lp->tx_full); - dirty_tx += TX_RING_SIZE; - delta -= TX_RING_SIZE; + dirty_tx += lp->tx_ring_size; + delta -= lp->tx_ring_size; } if (lp->tx_full && netif_queue_stopped(dev) && - delta < TX_RING_SIZE - 2) { + delta < lp->tx_ring_size - 2) { /* The ring is no longer full, clear tbusy. */ lp->tx_full = 0; netif_wake_queue (dev); @@ -1932,8 +2092,8 @@ static int pcnet32_rx(struct net_device *dev) { struct pcnet32_private *lp = dev->priv; - int entry = lp->cur_rx & RX_RING_MOD_MASK; - int boguscnt = RX_RING_SIZE / 2; + int entry = lp->cur_rx & lp->rx_mod_mask; + int boguscnt = lp->rx_ring_size / 2; /* If we own the next entry, it's a new packet. Send it up. */ while ((short)le16_to_cpu(lp->rx_ring[entry].status) >= 0) { @@ -1998,12 +2158,12 @@ pcnet32_rx(struct net_device *dev) if (netif_msg_drv(lp)) printk(KERN_ERR "%s: Memory squeeze, deferring packet.\n", dev->name); - for (i = 0; i < RX_RING_SIZE; i++) + for (i = 0; i < lp->rx_ring_size; i++) if ((short)le16_to_cpu(lp->rx_ring[(entry+i) - & RX_RING_MOD_MASK].status) < 0) + & lp->rx_mod_mask].status) < 0) break; - if (i > RX_RING_SIZE -2) { + if (i > lp->rx_ring_size -2) { lp->stats.rx_dropped++; lp->rx_ring[entry].status |= le16_to_cpu(0x8000); wmb(); /* Make sure adapter sees owner change */ @@ -2041,7 +2201,7 @@ pcnet32_rx(struct net_device *dev) lp->rx_ring[entry].buf_length = le16_to_cpu(2-PKT_BUF_SZ); wmb(); /* Make sure owner changes after all others are visible */ lp->rx_ring[entry].status |= le16_to_cpu(0x8000); - entry = (++lp->cur_rx) & RX_RING_MOD_MASK; + entry = (++lp->cur_rx) & lp->rx_mod_mask; if (--boguscnt <= 0) break; /* don't stay in loop forever */ } @@ -2084,7 +2244,7 @@ pcnet32_close(struct net_device *dev) spin_lock_irqsave(&lp->lock, flags); /* free all allocated skbuffs */ - for (i = 0; i < RX_RING_SIZE; i++) { + for (i = 0; i < lp->rx_ring_size; i++) { lp->rx_ring[i].status = 0; wmb(); /* Make sure adapter sees owner change */ if (lp->rx_skbuff[i]) { @@ -2096,7 +2256,7 @@ pcnet32_close(struct net_device *dev) lp->rx_dma_addr[i] = 0; } - for (i = 0; i < TX_RING_SIZE; i++) { + for (i = 0; i < lp->tx_ring_size; i++) { lp->tx_ring[i].status = 0; /* CPU owns buffer */ wmb(); /* Make sure adapter sees owner change */ if (lp->tx_skbuff[i]) { @@ -2265,6 +2425,7 @@ static void __devexit pcnet32_remove_one(struct pci_dev *pdev) struct pcnet32_private *lp = dev->priv; unregister_netdev(dev); + pcnet32_free_ring(dev); release_region(dev->base_addr, PCNET32_TOTAL_SIZE); pci_free_consistent(lp->pci_dev, sizeof(*lp), lp, lp->dma_addr); free_netdev(dev); @@ -2340,6 +2501,7 @@ static void __exit pcnet32_cleanup_module(void) struct pcnet32_private *lp = pcnet32_dev->priv; next_dev = lp->next; unregister_netdev(pcnet32_dev); + pcnet32_free_ring(pcnet32_dev); release_region(pcnet32_dev->base_addr, PCNET32_TOTAL_SIZE); pci_free_consistent(lp->pci_dev, sizeof(*lp), lp, lp->dma_addr); free_netdev(pcnet32_dev); diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index 14f4de1a8180..c782a6329805 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -12,14 +12,6 @@ config PHYLIB devices. This option provides infrastructure for managing PHY devices. -config PHYCONTROL - bool " Support for automatically handling PHY state changes" - depends on PHYLIB - help - Adds code to perform all the work for keeping PHY link - state (speed/duplex/etc) up-to-date. Also handles - interrupts. - comment "MII PHY device drivers" depends on PHYLIB diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 90630672703d..ad93b0da87f0 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -133,13 +133,9 @@ static int mdio_bus_suspend(struct device * dev, pm_message_t state) int ret = 0; struct device_driver *drv = dev->driver; - if (drv && drv->suspend) { - ret = drv->suspend(dev, state, SUSPEND_DISABLE); - if (ret == 0) - ret = drv->suspend(dev, state, SUSPEND_SAVE_STATE); - if (ret == 0) - ret = drv->suspend(dev, state, SUSPEND_POWER_DOWN); - } + if (drv && drv->suspend) + ret = drv->suspend(dev, state); + return ret; } @@ -148,13 +144,9 @@ static int mdio_bus_resume(struct device * dev) int ret = 0; struct device_driver *drv = dev->driver; - if (drv && drv->resume) { - ret = drv->resume(dev, RESUME_POWER_ON); - if (ret == 0) - ret = drv->resume(dev, RESUME_RESTORE_STATE); - if (ret == 0) - ret = drv->resume(dev, RESUME_ENABLE); - } + if (drv && drv->resume) + ret = drv->resume(dev); + return ret; } diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index d9e11f93bf3a..9209da9dde0d 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -242,10 +242,6 @@ EXPORT_SYMBOL(phy_sanitize_settings); * choose the next best ones from the ones selected, so we don't * care if ethtool tries to give us bad values * - * A note about the PHYCONTROL Layer. If you turn off - * CONFIG_PHYCONTROL, you will need to read the PHY status - * registers after this function completes, and update your - * controller manually. */ int phy_ethtool_sset(struct phy_device *phydev, struct ethtool_cmd *cmd) { @@ -380,7 +376,6 @@ int phy_start_aneg(struct phy_device *phydev) err = phydev->drv->config_aneg(phydev); -#ifdef CONFIG_PHYCONTROL if (err < 0) goto out_unlock; @@ -395,14 +390,12 @@ int phy_start_aneg(struct phy_device *phydev) } out_unlock: -#endif spin_unlock(&phydev->lock); return err; } EXPORT_SYMBOL(phy_start_aneg); -#ifdef CONFIG_PHYCONTROL static void phy_change(void *data); static void phy_timer(unsigned long data); @@ -868,4 +861,3 @@ static void phy_timer(unsigned long data) mod_timer(&phydev->phy_timer, jiffies + PHY_STATE_TIME * HZ); } -#endif /* CONFIG_PHYCONTROL */ diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 33f7bdb5857c..6da1aa0706a1 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -101,7 +101,6 @@ struct phy_device * get_phy_device(struct mii_bus *bus, int addr) return dev; } -#ifdef CONFIG_PHYCONTROL /* phy_prepare_link: * * description: Tells the PHY infrastructure to handle the @@ -160,8 +159,6 @@ void phy_disconnect(struct phy_device *phydev) } EXPORT_SYMBOL(phy_disconnect); -#endif /* CONFIG_PHYCONTROL */ - /* phy_attach: * * description: Called by drivers to attach to a particular PHY diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c index 0df7e92b0bf8..d3c9958b00d0 100644 --- a/drivers/net/ppp_generic.c +++ b/drivers/net/ppp_generic.c @@ -863,7 +863,7 @@ static int __init ppp_init(void) err = PTR_ERR(ppp_class); goto out_chrdev; } - class_device_create(ppp_class, MKDEV(PPP_MAJOR, 0), NULL, "ppp"); + class_device_create(ppp_class, NULL, MKDEV(PPP_MAJOR, 0), NULL, "ppp"); err = devfs_mk_cdev(MKDEV(PPP_MAJOR, 0), S_IFCHR|S_IRUSR|S_IWUSR, "ppp"); if (err) diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index afb3f186b884..159b56a56ef4 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -1027,6 +1027,7 @@ static struct ethtool_ops rtl8169_ethtool_ops = { .get_strings = rtl8169_get_strings, .get_stats_count = rtl8169_get_stats_count, .get_ethtool_stats = rtl8169_get_ethtool_stats, + .get_perm_addr = ethtool_op_get_perm_addr, }; static void rtl8169_write_gmii_reg_bit(void __iomem *ioaddr, int reg, int bitnum, @@ -1511,6 +1512,7 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) /* Get MAC address. FIXME: read EEPROM */ for (i = 0; i < MAC_ADDR_LEN; i++) dev->dev_addr[i] = RTL_R8(MAC0 + i); + memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); dev->open = rtl8169_open; dev->hard_start_xmit = rtl8169_start_xmit; diff --git a/drivers/net/rionet.c b/drivers/net/rionet.c new file mode 100644 index 000000000000..12cde0604580 --- /dev/null +++ b/drivers/net/rionet.c @@ -0,0 +1,574 @@ +/* + * rionet - Ethernet driver over RapidIO messaging services + * + * Copyright 2005 MontaVista Software, Inc. + * Matt Porter <mporter@kernel.crashing.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/dma-mapping.h> +#include <linux/delay.h> +#include <linux/rio.h> +#include <linux/rio_drv.h> +#include <linux/rio_ids.h> + +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/skbuff.h> +#include <linux/crc32.h> +#include <linux/ethtool.h> + +#define DRV_NAME "rionet" +#define DRV_VERSION "0.2" +#define DRV_AUTHOR "Matt Porter <mporter@kernel.crashing.org>" +#define DRV_DESC "Ethernet over RapidIO" + +MODULE_AUTHOR(DRV_AUTHOR); +MODULE_DESCRIPTION(DRV_DESC); +MODULE_LICENSE("GPL"); + +#define RIONET_DEFAULT_MSGLEVEL \ + (NETIF_MSG_DRV | \ + NETIF_MSG_LINK | \ + NETIF_MSG_RX_ERR | \ + NETIF_MSG_TX_ERR) + +#define RIONET_DOORBELL_JOIN 0x1000 +#define RIONET_DOORBELL_LEAVE 0x1001 + +#define RIONET_MAILBOX 0 + +#define RIONET_TX_RING_SIZE CONFIG_RIONET_TX_SIZE +#define RIONET_RX_RING_SIZE CONFIG_RIONET_RX_SIZE + +static LIST_HEAD(rionet_peers); + +struct rionet_private { + struct rio_mport *mport; + struct sk_buff *rx_skb[RIONET_RX_RING_SIZE]; + struct sk_buff *tx_skb[RIONET_TX_RING_SIZE]; + struct net_device_stats stats; + int rx_slot; + int tx_slot; + int tx_cnt; + int ack_slot; + spinlock_t lock; + spinlock_t tx_lock; + u32 msg_enable; +}; + +struct rionet_peer { + struct list_head node; + struct rio_dev *rdev; + struct resource *res; +}; + +static int rionet_check = 0; +static int rionet_capable = 1; + +/* + * This is a fast lookup table for for translating TX + * Ethernet packets into a destination RIO device. It + * could be made into a hash table to save memory depending + * on system trade-offs. + */ +static struct rio_dev *rionet_active[RIO_MAX_ROUTE_ENTRIES]; + +#define is_rionet_capable(pef, src_ops, dst_ops) \ + ((pef & RIO_PEF_INB_MBOX) && \ + (pef & RIO_PEF_INB_DOORBELL) && \ + (src_ops & RIO_SRC_OPS_DOORBELL) && \ + (dst_ops & RIO_DST_OPS_DOORBELL)) +#define dev_rionet_capable(dev) \ + is_rionet_capable(dev->pef, dev->src_ops, dev->dst_ops) + +#define RIONET_MAC_MATCH(x) (*(u32 *)x == 0x00010001) +#define RIONET_GET_DESTID(x) (*(u16 *)(x + 4)) + +static struct net_device_stats *rionet_stats(struct net_device *ndev) +{ + struct rionet_private *rnet = ndev->priv; + return &rnet->stats; +} + +static int rionet_rx_clean(struct net_device *ndev) +{ + int i; + int error = 0; + struct rionet_private *rnet = ndev->priv; + void *data; + + i = rnet->rx_slot; + + do { + if (!rnet->rx_skb[i]) + continue; + + if (!(data = rio_get_inb_message(rnet->mport, RIONET_MAILBOX))) + break; + + rnet->rx_skb[i]->data = data; + skb_put(rnet->rx_skb[i], RIO_MAX_MSG_SIZE); + rnet->rx_skb[i]->dev = ndev; + rnet->rx_skb[i]->protocol = + eth_type_trans(rnet->rx_skb[i], ndev); + error = netif_rx(rnet->rx_skb[i]); + + if (error == NET_RX_DROP) { + rnet->stats.rx_dropped++; + } else if (error == NET_RX_BAD) { + if (netif_msg_rx_err(rnet)) + printk(KERN_WARNING "%s: bad rx packet\n", + DRV_NAME); + rnet->stats.rx_errors++; + } else { + rnet->stats.rx_packets++; + rnet->stats.rx_bytes += RIO_MAX_MSG_SIZE; + } + + } while ((i = (i + 1) % RIONET_RX_RING_SIZE) != rnet->rx_slot); + + return i; +} + +static void rionet_rx_fill(struct net_device *ndev, int end) +{ + int i; + struct rionet_private *rnet = ndev->priv; + + i = rnet->rx_slot; + do { + rnet->rx_skb[i] = dev_alloc_skb(RIO_MAX_MSG_SIZE); + + if (!rnet->rx_skb[i]) + break; + + rio_add_inb_buffer(rnet->mport, RIONET_MAILBOX, + rnet->rx_skb[i]->data); + } while ((i = (i + 1) % RIONET_RX_RING_SIZE) != end); + + rnet->rx_slot = i; +} + +static int rionet_queue_tx_msg(struct sk_buff *skb, struct net_device *ndev, + struct rio_dev *rdev) +{ + struct rionet_private *rnet = ndev->priv; + + rio_add_outb_message(rnet->mport, rdev, 0, skb->data, skb->len); + rnet->tx_skb[rnet->tx_slot] = skb; + + rnet->stats.tx_packets++; + rnet->stats.tx_bytes += skb->len; + + if (++rnet->tx_cnt == RIONET_TX_RING_SIZE) + netif_stop_queue(ndev); + + ++rnet->tx_slot; + rnet->tx_slot &= (RIONET_TX_RING_SIZE - 1); + + if (netif_msg_tx_queued(rnet)) + printk(KERN_INFO "%s: queued skb %8.8x len %8.8x\n", DRV_NAME, + (u32) skb, skb->len); + + return 0; +} + +static int rionet_start_xmit(struct sk_buff *skb, struct net_device *ndev) +{ + int i; + struct rionet_private *rnet = ndev->priv; + struct ethhdr *eth = (struct ethhdr *)skb->data; + u16 destid; + unsigned long flags; + + local_irq_save(flags); + if (!spin_trylock(&rnet->tx_lock)) { + local_irq_restore(flags); + return NETDEV_TX_LOCKED; + } + + if ((rnet->tx_cnt + 1) > RIONET_TX_RING_SIZE) { + netif_stop_queue(ndev); + spin_unlock_irqrestore(&rnet->tx_lock, flags); + printk(KERN_ERR "%s: BUG! Tx Ring full when queue awake!\n", + ndev->name); + return NETDEV_TX_BUSY; + } + + if (eth->h_dest[0] & 0x01) { + for (i = 0; i < RIO_MAX_ROUTE_ENTRIES; i++) + if (rionet_active[i]) + rionet_queue_tx_msg(skb, ndev, + rionet_active[i]); + } else if (RIONET_MAC_MATCH(eth->h_dest)) { + destid = RIONET_GET_DESTID(eth->h_dest); + if (rionet_active[destid]) + rionet_queue_tx_msg(skb, ndev, rionet_active[destid]); + } + + spin_unlock_irqrestore(&rnet->tx_lock, flags); + + return 0; +} + +static void rionet_dbell_event(struct rio_mport *mport, void *dev_id, u16 sid, u16 tid, + u16 info) +{ + struct net_device *ndev = dev_id; + struct rionet_private *rnet = ndev->priv; + struct rionet_peer *peer; + + if (netif_msg_intr(rnet)) + printk(KERN_INFO "%s: doorbell sid %4.4x tid %4.4x info %4.4x", + DRV_NAME, sid, tid, info); + if (info == RIONET_DOORBELL_JOIN) { + if (!rionet_active[sid]) { + list_for_each_entry(peer, &rionet_peers, node) { + if (peer->rdev->destid == sid) + rionet_active[sid] = peer->rdev; + } + rio_mport_send_doorbell(mport, sid, + RIONET_DOORBELL_JOIN); + } + } else if (info == RIONET_DOORBELL_LEAVE) { + rionet_active[sid] = NULL; + } else { + if (netif_msg_intr(rnet)) + printk(KERN_WARNING "%s: unhandled doorbell\n", + DRV_NAME); + } +} + +static void rionet_inb_msg_event(struct rio_mport *mport, void *dev_id, int mbox, int slot) +{ + int n; + struct net_device *ndev = dev_id; + struct rionet_private *rnet = (struct rionet_private *)ndev->priv; + + if (netif_msg_intr(rnet)) + printk(KERN_INFO "%s: inbound message event, mbox %d slot %d\n", + DRV_NAME, mbox, slot); + + spin_lock(&rnet->lock); + if ((n = rionet_rx_clean(ndev)) != rnet->rx_slot) + rionet_rx_fill(ndev, n); + spin_unlock(&rnet->lock); +} + +static void rionet_outb_msg_event(struct rio_mport *mport, void *dev_id, int mbox, int slot) +{ + struct net_device *ndev = dev_id; + struct rionet_private *rnet = ndev->priv; + + spin_lock(&rnet->lock); + + if (netif_msg_intr(rnet)) + printk(KERN_INFO + "%s: outbound message event, mbox %d slot %d\n", + DRV_NAME, mbox, slot); + + while (rnet->tx_cnt && (rnet->ack_slot != slot)) { + /* dma unmap single */ + dev_kfree_skb_irq(rnet->tx_skb[rnet->ack_slot]); + rnet->tx_skb[rnet->ack_slot] = NULL; + ++rnet->ack_slot; + rnet->ack_slot &= (RIONET_TX_RING_SIZE - 1); + rnet->tx_cnt--; + } + + if (rnet->tx_cnt < RIONET_TX_RING_SIZE) + netif_wake_queue(ndev); + + spin_unlock(&rnet->lock); +} + +static int rionet_open(struct net_device *ndev) +{ + int i, rc = 0; + struct rionet_peer *peer, *tmp; + u32 pwdcsr; + struct rionet_private *rnet = ndev->priv; + + if (netif_msg_ifup(rnet)) + printk(KERN_INFO "%s: open\n", DRV_NAME); + + if ((rc = rio_request_inb_dbell(rnet->mport, + (void *)ndev, + RIONET_DOORBELL_JOIN, + RIONET_DOORBELL_LEAVE, + rionet_dbell_event)) < 0) + goto out; + + if ((rc = rio_request_inb_mbox(rnet->mport, + (void *)ndev, + RIONET_MAILBOX, + RIONET_RX_RING_SIZE, + rionet_inb_msg_event)) < 0) + goto out; + + if ((rc = rio_request_outb_mbox(rnet->mport, + (void *)ndev, + RIONET_MAILBOX, + RIONET_TX_RING_SIZE, + rionet_outb_msg_event)) < 0) + goto out; + + /* Initialize inbound message ring */ + for (i = 0; i < RIONET_RX_RING_SIZE; i++) + rnet->rx_skb[i] = NULL; + rnet->rx_slot = 0; + rionet_rx_fill(ndev, 0); + + rnet->tx_slot = 0; + rnet->tx_cnt = 0; + rnet->ack_slot = 0; + + netif_carrier_on(ndev); + netif_start_queue(ndev); + + list_for_each_entry_safe(peer, tmp, &rionet_peers, node) { + if (!(peer->res = rio_request_outb_dbell(peer->rdev, + RIONET_DOORBELL_JOIN, + RIONET_DOORBELL_LEAVE))) + { + printk(KERN_ERR "%s: error requesting doorbells\n", + DRV_NAME); + continue; + } + + /* + * If device has initialized inbound doorbells, + * send a join message + */ + rio_read_config_32(peer->rdev, RIO_WRITE_PORT_CSR, &pwdcsr); + if (pwdcsr & RIO_DOORBELL_AVAIL) + rio_send_doorbell(peer->rdev, RIONET_DOORBELL_JOIN); + } + + out: + return rc; +} + +static int rionet_close(struct net_device *ndev) +{ + struct rionet_private *rnet = (struct rionet_private *)ndev->priv; + struct rionet_peer *peer, *tmp; + int i; + + if (netif_msg_ifup(rnet)) + printk(KERN_INFO "%s: close\n", DRV_NAME); + + netif_stop_queue(ndev); + netif_carrier_off(ndev); + + for (i = 0; i < RIONET_RX_RING_SIZE; i++) + if (rnet->rx_skb[i]) + kfree_skb(rnet->rx_skb[i]); + + list_for_each_entry_safe(peer, tmp, &rionet_peers, node) { + if (rionet_active[peer->rdev->destid]) { + rio_send_doorbell(peer->rdev, RIONET_DOORBELL_LEAVE); + rionet_active[peer->rdev->destid] = NULL; + } + rio_release_outb_dbell(peer->rdev, peer->res); + } + + rio_release_inb_dbell(rnet->mport, RIONET_DOORBELL_JOIN, + RIONET_DOORBELL_LEAVE); + rio_release_inb_mbox(rnet->mport, RIONET_MAILBOX); + rio_release_outb_mbox(rnet->mport, RIONET_MAILBOX); + + return 0; +} + +static void rionet_remove(struct rio_dev *rdev) +{ + struct net_device *ndev = NULL; + struct rionet_peer *peer, *tmp; + + unregister_netdev(ndev); + kfree(ndev); + + list_for_each_entry_safe(peer, tmp, &rionet_peers, node) { + list_del(&peer->node); + kfree(peer); + } +} + +static void rionet_get_drvinfo(struct net_device *ndev, + struct ethtool_drvinfo *info) +{ + struct rionet_private *rnet = ndev->priv; + + strcpy(info->driver, DRV_NAME); + strcpy(info->version, DRV_VERSION); + strcpy(info->fw_version, "n/a"); + strcpy(info->bus_info, rnet->mport->name); +} + +static u32 rionet_get_msglevel(struct net_device *ndev) +{ + struct rionet_private *rnet = ndev->priv; + + return rnet->msg_enable; +} + +static void rionet_set_msglevel(struct net_device *ndev, u32 value) +{ + struct rionet_private *rnet = ndev->priv; + + rnet->msg_enable = value; +} + +static struct ethtool_ops rionet_ethtool_ops = { + .get_drvinfo = rionet_get_drvinfo, + .get_msglevel = rionet_get_msglevel, + .set_msglevel = rionet_set_msglevel, + .get_link = ethtool_op_get_link, +}; + +static int rionet_setup_netdev(struct rio_mport *mport) +{ + int rc = 0; + struct net_device *ndev = NULL; + struct rionet_private *rnet; + u16 device_id; + + /* Allocate our net_device structure */ + ndev = alloc_etherdev(sizeof(struct rionet_private)); + if (ndev == NULL) { + printk(KERN_INFO "%s: could not allocate ethernet device.\n", + DRV_NAME); + rc = -ENOMEM; + goto out; + } + + /* Set up private area */ + rnet = (struct rionet_private *)ndev->priv; + rnet->mport = mport; + + /* Set the default MAC address */ + device_id = rio_local_get_device_id(mport); + ndev->dev_addr[0] = 0x00; + ndev->dev_addr[1] = 0x01; + ndev->dev_addr[2] = 0x00; + ndev->dev_addr[3] = 0x01; + ndev->dev_addr[4] = device_id >> 8; + ndev->dev_addr[5] = device_id & 0xff; + + /* Fill in the driver function table */ + ndev->open = &rionet_open; + ndev->hard_start_xmit = &rionet_start_xmit; + ndev->stop = &rionet_close; + ndev->get_stats = &rionet_stats; + ndev->mtu = RIO_MAX_MSG_SIZE - 14; + ndev->features = NETIF_F_LLTX; + SET_ETHTOOL_OPS(ndev, &rionet_ethtool_ops); + + SET_MODULE_OWNER(ndev); + + spin_lock_init(&rnet->lock); + spin_lock_init(&rnet->tx_lock); + + rnet->msg_enable = RIONET_DEFAULT_MSGLEVEL; + + rc = register_netdev(ndev); + if (rc != 0) + goto out; + + printk("%s: %s %s Version %s, MAC %02x:%02x:%02x:%02x:%02x:%02x\n", + ndev->name, + DRV_NAME, + DRV_DESC, + DRV_VERSION, + ndev->dev_addr[0], ndev->dev_addr[1], ndev->dev_addr[2], + ndev->dev_addr[3], ndev->dev_addr[4], ndev->dev_addr[5]); + + out: + return rc; +} + +/* + * XXX Make multi-net safe + */ +static int rionet_probe(struct rio_dev *rdev, const struct rio_device_id *id) +{ + int rc = -ENODEV; + u32 lpef, lsrc_ops, ldst_ops; + struct rionet_peer *peer; + + /* If local device is not rionet capable, give up quickly */ + if (!rionet_capable) + goto out; + + /* + * First time through, make sure local device is rionet + * capable, setup netdev, and set flags so this is skipped + * on later probes + */ + if (!rionet_check) { + rio_local_read_config_32(rdev->net->hport, RIO_PEF_CAR, &lpef); + rio_local_read_config_32(rdev->net->hport, RIO_SRC_OPS_CAR, + &lsrc_ops); + rio_local_read_config_32(rdev->net->hport, RIO_DST_OPS_CAR, + &ldst_ops); + if (!is_rionet_capable(lpef, lsrc_ops, ldst_ops)) { + printk(KERN_ERR + "%s: local device is not network capable\n", + DRV_NAME); + rionet_check = 1; + rionet_capable = 0; + goto out; + } + + rc = rionet_setup_netdev(rdev->net->hport); + rionet_check = 1; + } + + /* + * If the remote device has mailbox/doorbell capabilities, + * add it to the peer list. + */ + if (dev_rionet_capable(rdev)) { + if (!(peer = kmalloc(sizeof(struct rionet_peer), GFP_KERNEL))) { + rc = -ENOMEM; + goto out; + } + peer->rdev = rdev; + list_add_tail(&peer->node, &rionet_peers); + } + + out: + return rc; +} + +static struct rio_device_id rionet_id_table[] = { + {RIO_DEVICE(RIO_ANY_ID, RIO_ANY_ID)} +}; + +static struct rio_driver rionet_driver = { + .name = "rionet", + .id_table = rionet_id_table, + .probe = rionet_probe, + .remove = rionet_remove, +}; + +static int __init rionet_init(void) +{ + return rio_register_driver(&rionet_driver); +} + +static void __exit rionet_exit(void) +{ + rio_unregister_driver(&rionet_driver); +} + +module_init(rionet_init); +module_exit(rionet_exit); diff --git a/drivers/net/rrunner.c b/drivers/net/rrunner.c index ec1a18d189a1..19c2df9c86fe 100644 --- a/drivers/net/rrunner.c +++ b/drivers/net/rrunner.c @@ -1710,10 +1710,8 @@ static int rr_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) error = -EFAULT; } wf_out: - if (oldimage) - kfree(oldimage); - if (image) - kfree(image); + kfree(oldimage); + kfree(image); return error; case SIOCRRID: diff --git a/drivers/net/s2io-regs.h b/drivers/net/s2io-regs.h index 7cefe5507b9e..00179bc3437f 100644 --- a/drivers/net/s2io-regs.h +++ b/drivers/net/s2io-regs.h @@ -814,6 +814,17 @@ typedef struct _XENA_dev_config { u64 rxgxs_ber_0; /* CHANGED */ u64 rxgxs_ber_1; /* CHANGED */ + u64 spi_control; +#define SPI_CONTROL_KEY(key) vBIT(key,0,4) +#define SPI_CONTROL_BYTECNT(cnt) vBIT(cnt,29,3) +#define SPI_CONTROL_CMD(cmd) vBIT(cmd,32,8) +#define SPI_CONTROL_ADDR(addr) vBIT(addr,40,24) +#define SPI_CONTROL_SEL1 BIT(4) +#define SPI_CONTROL_REQ BIT(7) +#define SPI_CONTROL_NACK BIT(5) +#define SPI_CONTROL_DONE BIT(6) + u64 spi_data; +#define SPI_DATA_WRITE(data,len) vBIT(data,0,len) } XENA_dev_config_t; #define XENA_REG_SPACE sizeof(XENA_dev_config_t) diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c index dd451e099a4c..3f5e93aad5c7 100644 --- a/drivers/net/s2io.c +++ b/drivers/net/s2io.c @@ -65,9 +65,11 @@ #include "s2io.h" #include "s2io-regs.h" +#define DRV_VERSION "Version 2.0.9.1" + /* S2io Driver name & version. */ static char s2io_driver_name[] = "Neterion"; -static char s2io_driver_version[] = "Version 2.0.8.1"; +static char s2io_driver_version[] = DRV_VERSION; static inline int RXD_IS_UP2DT(RxD_t *rxdp) { @@ -307,6 +309,8 @@ static unsigned int indicate_max_pkts; #endif /* Frequency of Rx desc syncs expressed as power of 2 */ static unsigned int rxsync_frequency = 3; +/* Interrupt type. Values can be 0(INTA), 1(MSI), 2(MSI_X) */ +static unsigned int intr_type = 0; /* * S2IO device table. @@ -701,8 +705,7 @@ static void free_shared_mem(struct s2io_nic *nic) } kfree(mac_control->rings[i].ba[j]); } - if (mac_control->rings[i].ba) - kfree(mac_control->rings[i].ba); + kfree(mac_control->rings[i].ba); } #endif @@ -1396,8 +1399,13 @@ static int init_nic(struct s2io_nic *nic) writeq(val64, &bar0->rti_data1_mem); val64 = RTI_DATA2_MEM_RX_UFC_A(0x1) | - RTI_DATA2_MEM_RX_UFC_B(0x2) | - RTI_DATA2_MEM_RX_UFC_C(0x40) | RTI_DATA2_MEM_RX_UFC_D(0x80); + RTI_DATA2_MEM_RX_UFC_B(0x2) ; + if (nic->intr_type == MSI_X) + val64 |= (RTI_DATA2_MEM_RX_UFC_C(0x20) | \ + RTI_DATA2_MEM_RX_UFC_D(0x40)); + else + val64 |= (RTI_DATA2_MEM_RX_UFC_C(0x40) | \ + RTI_DATA2_MEM_RX_UFC_D(0x80)); writeq(val64, &bar0->rti_data2_mem); for (i = 0; i < config->rx_ring_num; i++) { @@ -1507,17 +1515,15 @@ static int init_nic(struct s2io_nic *nic) #define LINK_UP_DOWN_INTERRUPT 1 #define MAC_RMAC_ERR_TIMER 2 -#if defined(CONFIG_MSI_MODE) || defined(CONFIG_MSIX_MODE) -#define s2io_link_fault_indication(x) MAC_RMAC_ERR_TIMER -#else int s2io_link_fault_indication(nic_t *nic) { + if (nic->intr_type != INTA) + return MAC_RMAC_ERR_TIMER; if (nic->device_type == XFRAME_II_DEVICE) return LINK_UP_DOWN_INTERRUPT; else return MAC_RMAC_ERR_TIMER; } -#endif /** * en_dis_able_nic_intrs - Enable or Disable the interrupts @@ -1941,11 +1947,14 @@ static int start_nic(struct s2io_nic *nic) } /* Enable select interrupts */ - interruptible = TX_TRAFFIC_INTR | RX_TRAFFIC_INTR; - interruptible |= TX_PIC_INTR | RX_PIC_INTR; - interruptible |= TX_MAC_INTR | RX_MAC_INTR; - - en_dis_able_nic_intrs(nic, interruptible, ENABLE_INTRS); + if (nic->intr_type != INTA) + en_dis_able_nic_intrs(nic, ENA_ALL_INTRS, DISABLE_INTRS); + else { + interruptible = TX_TRAFFIC_INTR | RX_TRAFFIC_INTR; + interruptible |= TX_PIC_INTR | RX_PIC_INTR; + interruptible |= TX_MAC_INTR | RX_MAC_INTR; + en_dis_able_nic_intrs(nic, interruptible, ENABLE_INTRS); + } /* * With some switches, link might be already up at this point. @@ -2633,11 +2642,11 @@ static void tx_intr_handler(fifo_info_t *fifo_data) err = txdlp->Control_1 & TXD_T_CODE; if ((err >> 48) == 0xA) { DBG_PRINT(TX_DBG, "TxD returned due \ - to loss of link\n"); +to loss of link\n"); } else { DBG_PRINT(ERR_DBG, "***TxD error \ - %llx\n", err); +%llx\n", err); } } @@ -2854,6 +2863,9 @@ void s2io_reset(nic_t * sp) /* Set swapper to enable I/O register access */ s2io_set_swapper(sp); + /* Restore the MSIX table entries from local variables */ + restore_xmsi_data(sp); + /* Clear certain PCI/PCI-X fields after reset */ if (sp->device_type == XFRAME_II_DEVICE) { /* Clear parity err detect bit */ @@ -2983,8 +2995,9 @@ int s2io_set_swapper(nic_t * sp) SWAPPER_CTRL_RXD_W_FE | SWAPPER_CTRL_RXF_W_FE | SWAPPER_CTRL_XMSI_FE | - SWAPPER_CTRL_XMSI_SE | SWAPPER_CTRL_STATS_FE | SWAPPER_CTRL_STATS_SE); + if (sp->intr_type == INTA) + val64 |= SWAPPER_CTRL_XMSI_SE; writeq(val64, &bar0->swapper_ctrl); #else /* @@ -3005,8 +3018,9 @@ int s2io_set_swapper(nic_t * sp) SWAPPER_CTRL_RXD_W_SE | SWAPPER_CTRL_RXF_W_FE | SWAPPER_CTRL_XMSI_FE | - SWAPPER_CTRL_XMSI_SE | SWAPPER_CTRL_STATS_FE | SWAPPER_CTRL_STATS_SE); + if (sp->intr_type == INTA) + val64 |= SWAPPER_CTRL_XMSI_SE; writeq(val64, &bar0->swapper_ctrl); #endif val64 = readq(&bar0->swapper_ctrl); @@ -3028,6 +3042,201 @@ int s2io_set_swapper(nic_t * sp) return SUCCESS; } +int wait_for_msix_trans(nic_t *nic, int i) +{ + XENA_dev_config_t __iomem *bar0 = nic->bar0; + u64 val64; + int ret = 0, cnt = 0; + + do { + val64 = readq(&bar0->xmsi_access); + if (!(val64 & BIT(15))) + break; + mdelay(1); + cnt++; + } while(cnt < 5); + if (cnt == 5) { + DBG_PRINT(ERR_DBG, "XMSI # %d Access failed\n", i); + ret = 1; + } + + return ret; +} + +void restore_xmsi_data(nic_t *nic) +{ + XENA_dev_config_t __iomem *bar0 = nic->bar0; + u64 val64; + int i; + + for (i=0; i< MAX_REQUESTED_MSI_X; i++) { + writeq(nic->msix_info[i].addr, &bar0->xmsi_address); + writeq(nic->msix_info[i].data, &bar0->xmsi_data); + val64 = (BIT(7) | BIT(15) | vBIT(i, 26, 6)); + writeq(val64, &bar0->xmsi_access); + if (wait_for_msix_trans(nic, i)) { + DBG_PRINT(ERR_DBG, "failed in %s\n", __FUNCTION__); + continue; + } + } +} + +void store_xmsi_data(nic_t *nic) +{ + XENA_dev_config_t __iomem *bar0 = nic->bar0; + u64 val64, addr, data; + int i; + + /* Store and display */ + for (i=0; i< MAX_REQUESTED_MSI_X; i++) { + val64 = (BIT(15) | vBIT(i, 26, 6)); + writeq(val64, &bar0->xmsi_access); + if (wait_for_msix_trans(nic, i)) { + DBG_PRINT(ERR_DBG, "failed in %s\n", __FUNCTION__); + continue; + } + addr = readq(&bar0->xmsi_address); + data = readq(&bar0->xmsi_data); + if (addr && data) { + nic->msix_info[i].addr = addr; + nic->msix_info[i].data = data; + } + } +} + +int s2io_enable_msi(nic_t *nic) +{ + XENA_dev_config_t __iomem *bar0 = nic->bar0; + u16 msi_ctrl, msg_val; + struct config_param *config = &nic->config; + struct net_device *dev = nic->dev; + u64 val64, tx_mat, rx_mat; + int i, err; + + val64 = readq(&bar0->pic_control); + val64 &= ~BIT(1); + writeq(val64, &bar0->pic_control); + + err = pci_enable_msi(nic->pdev); + if (err) { + DBG_PRINT(ERR_DBG, "%s: enabling MSI failed\n", + nic->dev->name); + return err; + } + + /* + * Enable MSI and use MSI-1 in stead of the standard MSI-0 + * for interrupt handling. + */ + pci_read_config_word(nic->pdev, 0x4c, &msg_val); + msg_val ^= 0x1; + pci_write_config_word(nic->pdev, 0x4c, msg_val); + pci_read_config_word(nic->pdev, 0x4c, &msg_val); + + pci_read_config_word(nic->pdev, 0x42, &msi_ctrl); + msi_ctrl |= 0x10; + pci_write_config_word(nic->pdev, 0x42, msi_ctrl); + + /* program MSI-1 into all usable Tx_Mat and Rx_Mat fields */ + tx_mat = readq(&bar0->tx_mat0_n[0]); + for (i=0; i<config->tx_fifo_num; i++) { + tx_mat |= TX_MAT_SET(i, 1); + } + writeq(tx_mat, &bar0->tx_mat0_n[0]); + + rx_mat = readq(&bar0->rx_mat); + for (i=0; i<config->rx_ring_num; i++) { + rx_mat |= RX_MAT_SET(i, 1); + } + writeq(rx_mat, &bar0->rx_mat); + + dev->irq = nic->pdev->irq; + return 0; +} + +int s2io_enable_msi_x(nic_t *nic) +{ + XENA_dev_config_t __iomem *bar0 = nic->bar0; + u64 tx_mat, rx_mat; + u16 msi_control; /* Temp variable */ + int ret, i, j, msix_indx = 1; + + nic->entries = kmalloc(MAX_REQUESTED_MSI_X * sizeof(struct msix_entry), + GFP_KERNEL); + if (nic->entries == NULL) { + DBG_PRINT(ERR_DBG, "%s: Memory allocation failed\n", __FUNCTION__); + return -ENOMEM; + } + memset(nic->entries, 0, MAX_REQUESTED_MSI_X * sizeof(struct msix_entry)); + + nic->s2io_entries = + kmalloc(MAX_REQUESTED_MSI_X * sizeof(struct s2io_msix_entry), + GFP_KERNEL); + if (nic->s2io_entries == NULL) { + DBG_PRINT(ERR_DBG, "%s: Memory allocation failed\n", __FUNCTION__); + kfree(nic->entries); + return -ENOMEM; + } + memset(nic->s2io_entries, 0, + MAX_REQUESTED_MSI_X * sizeof(struct s2io_msix_entry)); + + for (i=0; i< MAX_REQUESTED_MSI_X; i++) { + nic->entries[i].entry = i; + nic->s2io_entries[i].entry = i; + nic->s2io_entries[i].arg = NULL; + nic->s2io_entries[i].in_use = 0; + } + + tx_mat = readq(&bar0->tx_mat0_n[0]); + for (i=0; i<nic->config.tx_fifo_num; i++, msix_indx++) { + tx_mat |= TX_MAT_SET(i, msix_indx); + nic->s2io_entries[msix_indx].arg = &nic->mac_control.fifos[i]; + nic->s2io_entries[msix_indx].type = MSIX_FIFO_TYPE; + nic->s2io_entries[msix_indx].in_use = MSIX_FLG; + } + writeq(tx_mat, &bar0->tx_mat0_n[0]); + + if (!nic->config.bimodal) { + rx_mat = readq(&bar0->rx_mat); + for (j=0; j<nic->config.rx_ring_num; j++, msix_indx++) { + rx_mat |= RX_MAT_SET(j, msix_indx); + nic->s2io_entries[msix_indx].arg = &nic->mac_control.rings[j]; + nic->s2io_entries[msix_indx].type = MSIX_RING_TYPE; + nic->s2io_entries[msix_indx].in_use = MSIX_FLG; + } + writeq(rx_mat, &bar0->rx_mat); + } else { + tx_mat = readq(&bar0->tx_mat0_n[7]); + for (j=0; j<nic->config.rx_ring_num; j++, msix_indx++) { + tx_mat |= TX_MAT_SET(i, msix_indx); + nic->s2io_entries[msix_indx].arg = &nic->mac_control.rings[j]; + nic->s2io_entries[msix_indx].type = MSIX_RING_TYPE; + nic->s2io_entries[msix_indx].in_use = MSIX_FLG; + } + writeq(tx_mat, &bar0->tx_mat0_n[7]); + } + + ret = pci_enable_msix(nic->pdev, nic->entries, MAX_REQUESTED_MSI_X); + if (ret) { + DBG_PRINT(ERR_DBG, "%s: Enabling MSIX failed\n", nic->dev->name); + kfree(nic->entries); + kfree(nic->s2io_entries); + nic->entries = NULL; + nic->s2io_entries = NULL; + return -ENOMEM; + } + + /* + * To enable MSI-X, MSI also needs to be enabled, due to a bug + * in the herc NIC. (Temp change, needs to be removed later) + */ + pci_read_config_word(nic->pdev, 0x42, &msi_control); + msi_control |= 0x1; /* Enable MSI */ + pci_write_config_word(nic->pdev, 0x42, msi_control); + + return 0; +} + /* ********************************************************* * * Functions defined below concern the OS part of the driver * * ********************************************************* */ @@ -3048,6 +3257,8 @@ int s2io_open(struct net_device *dev) { nic_t *sp = dev->priv; int err = 0; + int i; + u16 msi_control; /* Temp variable */ /* * Make sure you have link off by default every time @@ -3064,13 +3275,55 @@ int s2io_open(struct net_device *dev) goto hw_init_failed; } + /* Store the values of the MSIX table in the nic_t structure */ + store_xmsi_data(sp); + /* After proper initialization of H/W, register ISR */ - err = request_irq((int) sp->pdev->irq, s2io_isr, SA_SHIRQ, - sp->name, dev); - if (err) { - DBG_PRINT(ERR_DBG, "%s: ISR registration failed\n", - dev->name); - goto isr_registration_failed; + if (sp->intr_type == MSI) { + err = request_irq((int) sp->pdev->irq, s2io_msi_handle, + SA_SHIRQ, sp->name, dev); + if (err) { + DBG_PRINT(ERR_DBG, "%s: MSI registration \ +failed\n", dev->name); + goto isr_registration_failed; + } + } + if (sp->intr_type == MSI_X) { + for (i=1; (sp->s2io_entries[i].in_use == MSIX_FLG); i++) { + if (sp->s2io_entries[i].type == MSIX_FIFO_TYPE) { + sprintf(sp->desc1, "%s:MSI-X-%d-TX", + dev->name, i); + err = request_irq(sp->entries[i].vector, + s2io_msix_fifo_handle, 0, sp->desc1, + sp->s2io_entries[i].arg); + DBG_PRINT(ERR_DBG, "%s @ 0x%llx\n", sp->desc1, + sp->msix_info[i].addr); + } else { + sprintf(sp->desc2, "%s:MSI-X-%d-RX", + dev->name, i); + err = request_irq(sp->entries[i].vector, + s2io_msix_ring_handle, 0, sp->desc2, + sp->s2io_entries[i].arg); + DBG_PRINT(ERR_DBG, "%s @ 0x%llx\n", sp->desc2, + sp->msix_info[i].addr); + } + if (err) { + DBG_PRINT(ERR_DBG, "%s: MSI-X-%d registration \ +failed\n", dev->name, i); + DBG_PRINT(ERR_DBG, "Returned: %d\n", err); + goto isr_registration_failed; + } + sp->s2io_entries[i].in_use = MSIX_REGISTERED_SUCCESS; + } + } + if (sp->intr_type == INTA) { + err = request_irq((int) sp->pdev->irq, s2io_isr, SA_SHIRQ, + sp->name, dev); + if (err) { + DBG_PRINT(ERR_DBG, "%s: ISR registration failed\n", + dev->name); + goto isr_registration_failed; + } } if (s2io_set_mac_addr(dev, dev->dev_addr) == FAILURE) { @@ -3083,11 +3336,37 @@ int s2io_open(struct net_device *dev) return 0; setting_mac_address_failed: - free_irq(sp->pdev->irq, dev); + if (sp->intr_type != MSI_X) + free_irq(sp->pdev->irq, dev); isr_registration_failed: del_timer_sync(&sp->alarm_timer); + if (sp->intr_type == MSI_X) { + if (sp->device_type == XFRAME_II_DEVICE) { + for (i=1; (sp->s2io_entries[i].in_use == + MSIX_REGISTERED_SUCCESS); i++) { + int vector = sp->entries[i].vector; + void *arg = sp->s2io_entries[i].arg; + + free_irq(vector, arg); + } + pci_disable_msix(sp->pdev); + + /* Temp */ + pci_read_config_word(sp->pdev, 0x42, &msi_control); + msi_control &= 0xFFFE; /* Disable MSI */ + pci_write_config_word(sp->pdev, 0x42, msi_control); + } + } + else if (sp->intr_type == MSI) + pci_disable_msi(sp->pdev); s2io_reset(sp); hw_init_failed: + if (sp->intr_type == MSI_X) { + if (sp->entries) + kfree(sp->entries); + if (sp->s2io_entries) + kfree(sp->s2io_entries); + } return err; } @@ -3107,12 +3386,35 @@ hw_init_failed: int s2io_close(struct net_device *dev) { nic_t *sp = dev->priv; + int i; + u16 msi_control; + flush_scheduled_work(); netif_stop_queue(dev); /* Reset card, kill tasklet and free Tx and Rx buffers. */ s2io_card_down(sp); - free_irq(sp->pdev->irq, dev); + if (sp->intr_type == MSI_X) { + if (sp->device_type == XFRAME_II_DEVICE) { + for (i=1; (sp->s2io_entries[i].in_use == + MSIX_REGISTERED_SUCCESS); i++) { + int vector = sp->entries[i].vector; + void *arg = sp->s2io_entries[i].arg; + + free_irq(vector, arg); + } + pci_read_config_word(sp->pdev, 0x42, &msi_control); + msi_control &= 0xFFFE; /* Disable MSI */ + pci_write_config_word(sp->pdev, 0x42, msi_control); + + pci_disable_msix(sp->pdev); + } + } + else { + free_irq(sp->pdev->irq, dev); + if (sp->intr_type == MSI) + pci_disable_msi(sp->pdev); + } sp->device_close_flag = TRUE; /* Device is shut down. */ return 0; } @@ -3278,6 +3580,104 @@ s2io_alarm_handle(unsigned long data) mod_timer(&sp->alarm_timer, jiffies + HZ / 2); } +static irqreturn_t +s2io_msi_handle(int irq, void *dev_id, struct pt_regs *regs) +{ + struct net_device *dev = (struct net_device *) dev_id; + nic_t *sp = dev->priv; + int i; + int ret; + mac_info_t *mac_control; + struct config_param *config; + + atomic_inc(&sp->isr_cnt); + mac_control = &sp->mac_control; + config = &sp->config; + DBG_PRINT(INTR_DBG, "%s: MSI handler\n", __FUNCTION__); + + /* If Intr is because of Rx Traffic */ + for (i = 0; i < config->rx_ring_num; i++) + rx_intr_handler(&mac_control->rings[i]); + + /* If Intr is because of Tx Traffic */ + for (i = 0; i < config->tx_fifo_num; i++) + tx_intr_handler(&mac_control->fifos[i]); + + /* + * If the Rx buffer count is below the panic threshold then + * reallocate the buffers from the interrupt handler itself, + * else schedule a tasklet to reallocate the buffers. + */ + for (i = 0; i < config->rx_ring_num; i++) { + int rxb_size = atomic_read(&sp->rx_bufs_left[i]); + int level = rx_buffer_level(sp, rxb_size, i); + + if ((level == PANIC) && (!TASKLET_IN_USE)) { + DBG_PRINT(INTR_DBG, "%s: Rx BD hit ", dev->name); + DBG_PRINT(INTR_DBG, "PANIC levels\n"); + if ((ret = fill_rx_buffers(sp, i)) == -ENOMEM) { + DBG_PRINT(ERR_DBG, "%s:Out of memory", + dev->name); + DBG_PRINT(ERR_DBG, " in ISR!!\n"); + clear_bit(0, (&sp->tasklet_status)); + atomic_dec(&sp->isr_cnt); + return IRQ_HANDLED; + } + clear_bit(0, (&sp->tasklet_status)); + } else if (level == LOW) { + tasklet_schedule(&sp->task); + } + } + + atomic_dec(&sp->isr_cnt); + return IRQ_HANDLED; +} + +static irqreturn_t +s2io_msix_ring_handle(int irq, void *dev_id, struct pt_regs *regs) +{ + ring_info_t *ring = (ring_info_t *)dev_id; + nic_t *sp = ring->nic; + int rxb_size, level, rng_n; + + atomic_inc(&sp->isr_cnt); + rx_intr_handler(ring); + + rng_n = ring->ring_no; + rxb_size = atomic_read(&sp->rx_bufs_left[rng_n]); + level = rx_buffer_level(sp, rxb_size, rng_n); + + if ((level == PANIC) && (!TASKLET_IN_USE)) { + int ret; + DBG_PRINT(INTR_DBG, "%s: Rx BD hit ", __FUNCTION__); + DBG_PRINT(INTR_DBG, "PANIC levels\n"); + if ((ret = fill_rx_buffers(sp, rng_n)) == -ENOMEM) { + DBG_PRINT(ERR_DBG, "Out of memory in %s", + __FUNCTION__); + clear_bit(0, (&sp->tasklet_status)); + return IRQ_HANDLED; + } + clear_bit(0, (&sp->tasklet_status)); + } else if (level == LOW) { + tasklet_schedule(&sp->task); + } + atomic_dec(&sp->isr_cnt); + + return IRQ_HANDLED; +} + +static irqreturn_t +s2io_msix_fifo_handle(int irq, void *dev_id, struct pt_regs *regs) +{ + fifo_info_t *fifo = (fifo_info_t *)dev_id; + nic_t *sp = fifo->nic; + + atomic_inc(&sp->isr_cnt); + tx_intr_handler(fifo); + atomic_dec(&sp->isr_cnt); + return IRQ_HANDLED; +} + static void s2io_txpic_intr_handle(nic_t *sp) { XENA_dev_config_t __iomem *bar0 = sp->bar0; @@ -3778,11 +4178,10 @@ static void s2io_ethtool_gdrvinfo(struct net_device *dev, { nic_t *sp = dev->priv; - strncpy(info->driver, s2io_driver_name, sizeof(s2io_driver_name)); - strncpy(info->version, s2io_driver_version, - sizeof(s2io_driver_version)); - strncpy(info->fw_version, "", 32); - strncpy(info->bus_info, pci_name(sp->pdev), 32); + strncpy(info->driver, s2io_driver_name, sizeof(info->driver)); + strncpy(info->version, s2io_driver_version, sizeof(info->version)); + strncpy(info->fw_version, "", sizeof(info->fw_version)); + strncpy(info->bus_info, pci_name(sp->pdev), sizeof(info->bus_info)); info->regdump_len = XENA_REG_SPACE; info->eedump_len = XENA_EEPROM_SPACE; info->testinfo_len = S2IO_TEST_LEN; @@ -3978,29 +4377,53 @@ static int s2io_ethtool_setpause_data(struct net_device *dev, */ #define S2IO_DEV_ID 5 -static int read_eeprom(nic_t * sp, int off, u32 * data) +static int read_eeprom(nic_t * sp, int off, u64 * data) { int ret = -1; u32 exit_cnt = 0; u64 val64; XENA_dev_config_t __iomem *bar0 = sp->bar0; - val64 = I2C_CONTROL_DEV_ID(S2IO_DEV_ID) | I2C_CONTROL_ADDR(off) | - I2C_CONTROL_BYTE_CNT(0x3) | I2C_CONTROL_READ | - I2C_CONTROL_CNTL_START; - SPECIAL_REG_WRITE(val64, &bar0->i2c_control, LF); + if (sp->device_type == XFRAME_I_DEVICE) { + val64 = I2C_CONTROL_DEV_ID(S2IO_DEV_ID) | I2C_CONTROL_ADDR(off) | + I2C_CONTROL_BYTE_CNT(0x3) | I2C_CONTROL_READ | + I2C_CONTROL_CNTL_START; + SPECIAL_REG_WRITE(val64, &bar0->i2c_control, LF); - while (exit_cnt < 5) { - val64 = readq(&bar0->i2c_control); - if (I2C_CONTROL_CNTL_END(val64)) { - *data = I2C_CONTROL_GET_DATA(val64); - ret = 0; - break; + while (exit_cnt < 5) { + val64 = readq(&bar0->i2c_control); + if (I2C_CONTROL_CNTL_END(val64)) { + *data = I2C_CONTROL_GET_DATA(val64); + ret = 0; + break; + } + msleep(50); + exit_cnt++; } - msleep(50); - exit_cnt++; } + if (sp->device_type == XFRAME_II_DEVICE) { + val64 = SPI_CONTROL_KEY(0x9) | SPI_CONTROL_SEL1 | + SPI_CONTROL_BYTECNT(0x3) | + SPI_CONTROL_CMD(0x3) | SPI_CONTROL_ADDR(off); + SPECIAL_REG_WRITE(val64, &bar0->spi_control, LF); + val64 |= SPI_CONTROL_REQ; + SPECIAL_REG_WRITE(val64, &bar0->spi_control, LF); + while (exit_cnt < 5) { + val64 = readq(&bar0->spi_control); + if (val64 & SPI_CONTROL_NACK) { + ret = 1; + break; + } else if (val64 & SPI_CONTROL_DONE) { + *data = readq(&bar0->spi_data); + *data &= 0xffffff; + ret = 0; + break; + } + msleep(50); + exit_cnt++; + } + } return ret; } @@ -4019,28 +4442,53 @@ static int read_eeprom(nic_t * sp, int off, u32 * data) * 0 on success, -1 on failure. */ -static int write_eeprom(nic_t * sp, int off, u32 data, int cnt) +static int write_eeprom(nic_t * sp, int off, u64 data, int cnt) { int exit_cnt = 0, ret = -1; u64 val64; XENA_dev_config_t __iomem *bar0 = sp->bar0; - val64 = I2C_CONTROL_DEV_ID(S2IO_DEV_ID) | I2C_CONTROL_ADDR(off) | - I2C_CONTROL_BYTE_CNT(cnt) | I2C_CONTROL_SET_DATA(data) | - I2C_CONTROL_CNTL_START; - SPECIAL_REG_WRITE(val64, &bar0->i2c_control, LF); + if (sp->device_type == XFRAME_I_DEVICE) { + val64 = I2C_CONTROL_DEV_ID(S2IO_DEV_ID) | I2C_CONTROL_ADDR(off) | + I2C_CONTROL_BYTE_CNT(cnt) | I2C_CONTROL_SET_DATA((u32)data) | + I2C_CONTROL_CNTL_START; + SPECIAL_REG_WRITE(val64, &bar0->i2c_control, LF); + + while (exit_cnt < 5) { + val64 = readq(&bar0->i2c_control); + if (I2C_CONTROL_CNTL_END(val64)) { + if (!(val64 & I2C_CONTROL_NACK)) + ret = 0; + break; + } + msleep(50); + exit_cnt++; + } + } - while (exit_cnt < 5) { - val64 = readq(&bar0->i2c_control); - if (I2C_CONTROL_CNTL_END(val64)) { - if (!(val64 & I2C_CONTROL_NACK)) + if (sp->device_type == XFRAME_II_DEVICE) { + int write_cnt = (cnt == 8) ? 0 : cnt; + writeq(SPI_DATA_WRITE(data,(cnt<<3)), &bar0->spi_data); + + val64 = SPI_CONTROL_KEY(0x9) | SPI_CONTROL_SEL1 | + SPI_CONTROL_BYTECNT(write_cnt) | + SPI_CONTROL_CMD(0x2) | SPI_CONTROL_ADDR(off); + SPECIAL_REG_WRITE(val64, &bar0->spi_control, LF); + val64 |= SPI_CONTROL_REQ; + SPECIAL_REG_WRITE(val64, &bar0->spi_control, LF); + while (exit_cnt < 5) { + val64 = readq(&bar0->spi_control); + if (val64 & SPI_CONTROL_NACK) { + ret = 1; + break; + } else if (val64 & SPI_CONTROL_DONE) { ret = 0; - break; + break; + } + msleep(50); + exit_cnt++; } - msleep(50); - exit_cnt++; } - return ret; } @@ -4060,7 +4508,8 @@ static int write_eeprom(nic_t * sp, int off, u32 data, int cnt) static int s2io_ethtool_geeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 * data_buf) { - u32 data, i, valid; + u32 i, valid; + u64 data; nic_t *sp = dev->priv; eeprom->magic = sp->pdev->vendor | (sp->pdev->device << 16); @@ -4098,7 +4547,7 @@ static int s2io_ethtool_seeprom(struct net_device *dev, u8 * data_buf) { int len = eeprom->len, cnt = 0; - u32 valid = 0, data; + u64 valid = 0, data; nic_t *sp = dev->priv; if (eeprom->magic != (sp->pdev->vendor | (sp->pdev->device << 16))) { @@ -4146,7 +4595,7 @@ static int s2io_ethtool_seeprom(struct net_device *dev, static int s2io_register_test(nic_t * sp, uint64_t * data) { XENA_dev_config_t __iomem *bar0 = sp->bar0; - u64 val64 = 0; + u64 val64 = 0, exp_val; int fail = 0; val64 = readq(&bar0->pif_rd_swapper_fb); @@ -4162,7 +4611,11 @@ static int s2io_register_test(nic_t * sp, uint64_t * data) } val64 = readq(&bar0->rx_queue_cfg); - if (val64 != 0x0808080808080808ULL) { + if (sp->device_type == XFRAME_II_DEVICE) + exp_val = 0x0404040404040404ULL; + else + exp_val = 0x0808080808080808ULL; + if (val64 != exp_val) { fail = 1; DBG_PRINT(INFO_DBG, "Read Test level 3 fails\n"); } @@ -4190,7 +4643,7 @@ static int s2io_register_test(nic_t * sp, uint64_t * data) } *data = fail; - return 0; + return fail; } /** @@ -4209,58 +4662,83 @@ static int s2io_register_test(nic_t * sp, uint64_t * data) static int s2io_eeprom_test(nic_t * sp, uint64_t * data) { int fail = 0; - u32 ret_data; + u64 ret_data, org_4F0, org_7F0; + u8 saved_4F0 = 0, saved_7F0 = 0; + struct net_device *dev = sp->dev; /* Test Write Error at offset 0 */ - if (!write_eeprom(sp, 0, 0, 3)) - fail = 1; + /* Note that SPI interface allows write access to all areas + * of EEPROM. Hence doing all negative testing only for Xframe I. + */ + if (sp->device_type == XFRAME_I_DEVICE) + if (!write_eeprom(sp, 0, 0, 3)) + fail = 1; + + /* Save current values at offsets 0x4F0 and 0x7F0 */ + if (!read_eeprom(sp, 0x4F0, &org_4F0)) + saved_4F0 = 1; + if (!read_eeprom(sp, 0x7F0, &org_7F0)) + saved_7F0 = 1; /* Test Write at offset 4f0 */ - if (write_eeprom(sp, 0x4F0, 0x01234567, 3)) + if (write_eeprom(sp, 0x4F0, 0x012345, 3)) fail = 1; if (read_eeprom(sp, 0x4F0, &ret_data)) fail = 1; - if (ret_data != 0x01234567) + if (ret_data != 0x012345) { + DBG_PRINT(ERR_DBG, "%s: eeprom test error at offset 0x4F0. Data written %llx Data read %llx\n", dev->name, (u64)0x12345, ret_data); fail = 1; + } /* Reset the EEPROM data go FFFF */ - write_eeprom(sp, 0x4F0, 0xFFFFFFFF, 3); + write_eeprom(sp, 0x4F0, 0xFFFFFF, 3); /* Test Write Request Error at offset 0x7c */ - if (!write_eeprom(sp, 0x07C, 0, 3)) - fail = 1; + if (sp->device_type == XFRAME_I_DEVICE) + if (!write_eeprom(sp, 0x07C, 0, 3)) + fail = 1; - /* Test Write Request at offset 0x7fc */ - if (write_eeprom(sp, 0x7FC, 0x01234567, 3)) + /* Test Write Request at offset 0x7f0 */ + if (write_eeprom(sp, 0x7F0, 0x012345, 3)) fail = 1; - if (read_eeprom(sp, 0x7FC, &ret_data)) + if (read_eeprom(sp, 0x7F0, &ret_data)) fail = 1; - if (ret_data != 0x01234567) + if (ret_data != 0x012345) { + DBG_PRINT(ERR_DBG, "%s: eeprom test error at offset 0x7F0. Data written %llx Data read %llx\n", dev->name, (u64)0x12345, ret_data); fail = 1; + } /* Reset the EEPROM data go FFFF */ - write_eeprom(sp, 0x7FC, 0xFFFFFFFF, 3); + write_eeprom(sp, 0x7F0, 0xFFFFFF, 3); - /* Test Write Error at offset 0x80 */ - if (!write_eeprom(sp, 0x080, 0, 3)) - fail = 1; + if (sp->device_type == XFRAME_I_DEVICE) { + /* Test Write Error at offset 0x80 */ + if (!write_eeprom(sp, 0x080, 0, 3)) + fail = 1; - /* Test Write Error at offset 0xfc */ - if (!write_eeprom(sp, 0x0FC, 0, 3)) - fail = 1; + /* Test Write Error at offset 0xfc */ + if (!write_eeprom(sp, 0x0FC, 0, 3)) + fail = 1; - /* Test Write Error at offset 0x100 */ - if (!write_eeprom(sp, 0x100, 0, 3)) - fail = 1; + /* Test Write Error at offset 0x100 */ + if (!write_eeprom(sp, 0x100, 0, 3)) + fail = 1; - /* Test Write Error at offset 4ec */ - if (!write_eeprom(sp, 0x4EC, 0, 3)) - fail = 1; + /* Test Write Error at offset 4ec */ + if (!write_eeprom(sp, 0x4EC, 0, 3)) + fail = 1; + } + + /* Restore values at offsets 0x4F0 and 0x7F0 */ + if (saved_4F0) + write_eeprom(sp, 0x4F0, org_4F0, 3); + if (saved_7F0) + write_eeprom(sp, 0x7F0, org_7F0, 3); *data = fail; - return 0; + return fail; } /** @@ -4342,7 +4820,7 @@ static int s2io_rldram_test(nic_t * sp, uint64_t * data) { XENA_dev_config_t __iomem *bar0 = sp->bar0; u64 val64; - int cnt, iteration = 0, test_pass = 0; + int cnt, iteration = 0, test_fail = 0; val64 = readq(&bar0->adapter_control); val64 &= ~ADAPTER_ECC_EN; @@ -4350,7 +4828,7 @@ static int s2io_rldram_test(nic_t * sp, uint64_t * data) val64 = readq(&bar0->mc_rldram_test_ctrl); val64 |= MC_RLDRAM_TEST_MODE; - writeq(val64, &bar0->mc_rldram_test_ctrl); + SPECIAL_REG_WRITE(val64, &bar0->mc_rldram_test_ctrl, LF); val64 = readq(&bar0->mc_rldram_mrs); val64 |= MC_RLDRAM_QUEUE_SIZE_ENABLE; @@ -4378,17 +4856,12 @@ static int s2io_rldram_test(nic_t * sp, uint64_t * data) } writeq(val64, &bar0->mc_rldram_test_d2); - val64 = (u64) (0x0000003fffff0000ULL); + val64 = (u64) (0x0000003ffffe0100ULL); writeq(val64, &bar0->mc_rldram_test_add); - - val64 = MC_RLDRAM_TEST_MODE; - writeq(val64, &bar0->mc_rldram_test_ctrl); - - val64 |= - MC_RLDRAM_TEST_MODE | MC_RLDRAM_TEST_WRITE | - MC_RLDRAM_TEST_GO; - writeq(val64, &bar0->mc_rldram_test_ctrl); + val64 = MC_RLDRAM_TEST_MODE | MC_RLDRAM_TEST_WRITE | + MC_RLDRAM_TEST_GO; + SPECIAL_REG_WRITE(val64, &bar0->mc_rldram_test_ctrl, LF); for (cnt = 0; cnt < 5; cnt++) { val64 = readq(&bar0->mc_rldram_test_ctrl); @@ -4400,11 +4873,8 @@ static int s2io_rldram_test(nic_t * sp, uint64_t * data) if (cnt == 5) break; - val64 = MC_RLDRAM_TEST_MODE; - writeq(val64, &bar0->mc_rldram_test_ctrl); - - val64 |= MC_RLDRAM_TEST_MODE | MC_RLDRAM_TEST_GO; - writeq(val64, &bar0->mc_rldram_test_ctrl); + val64 = MC_RLDRAM_TEST_MODE | MC_RLDRAM_TEST_GO; + SPECIAL_REG_WRITE(val64, &bar0->mc_rldram_test_ctrl, LF); for (cnt = 0; cnt < 5; cnt++) { val64 = readq(&bar0->mc_rldram_test_ctrl); @@ -4417,18 +4887,18 @@ static int s2io_rldram_test(nic_t * sp, uint64_t * data) break; val64 = readq(&bar0->mc_rldram_test_ctrl); - if (val64 & MC_RLDRAM_TEST_PASS) - test_pass = 1; + if (!(val64 & MC_RLDRAM_TEST_PASS)) + test_fail = 1; iteration++; } - if (!test_pass) - *data = 1; - else - *data = 0; + *data = test_fail; - return 0; + /* Bring the adapter out of test mode */ + SPECIAL_REG_WRITE(0, &bar0->mc_rldram_test_ctrl, LF); + + return test_fail; } /** @@ -4932,7 +5402,7 @@ static void s2io_card_down(nic_t * sp) static int s2io_card_up(nic_t * sp) { - int i, ret; + int i, ret = 0; mac_info_t *mac_control; struct config_param *config; struct net_device *dev = (struct net_device *) sp->dev; @@ -4944,6 +5414,15 @@ static int s2io_card_up(nic_t * sp) return -ENODEV; } + if (sp->intr_type == MSI) + ret = s2io_enable_msi(sp); + else if (sp->intr_type == MSI_X) + ret = s2io_enable_msi_x(sp); + if (ret) { + DBG_PRINT(ERR_DBG, "%s: Defaulting to INTA\n", dev->name); + sp->intr_type = INTA; + } + /* * Initializing the Rx buffers. For now we are considering only 1 * Rx ring and initializing buffers into 30 Rx blocks @@ -5228,6 +5707,8 @@ static void s2io_init_pci(nic_t * sp) MODULE_AUTHOR("Raghavendra Koushik <raghavendra.koushik@neterion.com>"); MODULE_LICENSE("GPL"); +MODULE_VERSION(DRV_VERSION); + module_param(tx_fifo_num, int, 0); module_param(rx_ring_num, int, 0); module_param_array(tx_fifo_len, uint, NULL, 0); @@ -5245,6 +5726,7 @@ module_param(bimodal, bool, 0); module_param(indicate_max_pkts, int, 0); #endif module_param(rxsync_frequency, int, 0); +module_param(intr_type, int, 0); /** * s2io_init_nic - Initialization of the adapter . @@ -5274,9 +5756,16 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre) mac_info_t *mac_control; struct config_param *config; int mode; + u8 dev_intr_type = intr_type; #ifdef CONFIG_S2IO_NAPI - DBG_PRINT(ERR_DBG, "NAPI support has been enabled\n"); + if (dev_intr_type != INTA) { + DBG_PRINT(ERR_DBG, "NAPI cannot be enabled when MSI/MSI-X \ +is enabled. Defaulting to INTA\n"); + dev_intr_type = INTA; + } + else + DBG_PRINT(ERR_DBG, "NAPI support has been enabled\n"); #endif if ((ret = pci_enable_device(pdev))) { @@ -5303,10 +5792,35 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre) return -ENOMEM; } - if (pci_request_regions(pdev, s2io_driver_name)) { - DBG_PRINT(ERR_DBG, "Request Regions failed\n"), - pci_disable_device(pdev); - return -ENODEV; + if ((dev_intr_type == MSI_X) && + ((pdev->device != PCI_DEVICE_ID_HERC_WIN) && + (pdev->device != PCI_DEVICE_ID_HERC_UNI))) { + DBG_PRINT(ERR_DBG, "Xframe I does not support MSI_X. \ +Defaulting to INTA\n"); + dev_intr_type = INTA; + } + if (dev_intr_type != MSI_X) { + if (pci_request_regions(pdev, s2io_driver_name)) { + DBG_PRINT(ERR_DBG, "Request Regions failed\n"), + pci_disable_device(pdev); + return -ENODEV; + } + } + else { + if (!(request_mem_region(pci_resource_start(pdev, 0), + pci_resource_len(pdev, 0), s2io_driver_name))) { + DBG_PRINT(ERR_DBG, "bar0 Request Regions failed\n"); + pci_disable_device(pdev); + return -ENODEV; + } + if (!(request_mem_region(pci_resource_start(pdev, 2), + pci_resource_len(pdev, 2), s2io_driver_name))) { + DBG_PRINT(ERR_DBG, "bar1 Request Regions failed\n"); + release_mem_region(pci_resource_start(pdev, 0), + pci_resource_len(pdev, 0)); + pci_disable_device(pdev); + return -ENODEV; + } } dev = alloc_etherdev(sizeof(nic_t)); @@ -5329,6 +5843,7 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre) sp->pdev = pdev; sp->high_dma_flag = dma_flag; sp->device_enabled_once = FALSE; + sp->intr_type = dev_intr_type; if ((pdev->device == PCI_DEVICE_ID_HERC_WIN) || (pdev->device == PCI_DEVICE_ID_HERC_UNI)) @@ -5336,6 +5851,7 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre) else sp->device_type = XFRAME_I_DEVICE; + /* Initialize some PCI/PCI-X fields of the NIC. */ s2io_init_pci(sp); @@ -5571,12 +6087,23 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre) if (sp->device_type & XFRAME_II_DEVICE) { DBG_PRINT(ERR_DBG, "%s: Neterion Xframe II 10GbE adapter ", dev->name); - DBG_PRINT(ERR_DBG, "(rev %d), %s", + DBG_PRINT(ERR_DBG, "(rev %d), Version %s", get_xena_rev_id(sp->pdev), s2io_driver_version); #ifdef CONFIG_2BUFF_MODE DBG_PRINT(ERR_DBG, ", Buffer mode %d",2); #endif + switch(sp->intr_type) { + case INTA: + DBG_PRINT(ERR_DBG, ", Intr type INTA"); + break; + case MSI: + DBG_PRINT(ERR_DBG, ", Intr type MSI"); + break; + case MSI_X: + DBG_PRINT(ERR_DBG, ", Intr type MSI-X"); + break; + } DBG_PRINT(ERR_DBG, "\nCopyright(c) 2002-2005 Neterion Inc.\n"); DBG_PRINT(ERR_DBG, "MAC ADDR: %02x:%02x:%02x:%02x:%02x:%02x\n", @@ -5595,12 +6122,23 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre) } else { DBG_PRINT(ERR_DBG, "%s: Neterion Xframe I 10GbE adapter ", dev->name); - DBG_PRINT(ERR_DBG, "(rev %d), %s", + DBG_PRINT(ERR_DBG, "(rev %d), Version %s", get_xena_rev_id(sp->pdev), s2io_driver_version); #ifdef CONFIG_2BUFF_MODE DBG_PRINT(ERR_DBG, ", Buffer mode %d",2); #endif + switch(sp->intr_type) { + case INTA: + DBG_PRINT(ERR_DBG, ", Intr type INTA"); + break; + case MSI: + DBG_PRINT(ERR_DBG, ", Intr type MSI"); + break; + case MSI_X: + DBG_PRINT(ERR_DBG, ", Intr type MSI-X"); + break; + } DBG_PRINT(ERR_DBG, "\nCopyright(c) 2002-2005 Neterion Inc.\n"); DBG_PRINT(ERR_DBG, "MAC ADDR: %02x:%02x:%02x:%02x:%02x:%02x\n", sp->def_mac_addr[0].mac_addr[0], @@ -5644,7 +6182,14 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre) mem_alloc_failed: free_shared_mem(sp); pci_disable_device(pdev); - pci_release_regions(pdev); + if (dev_intr_type != MSI_X) + pci_release_regions(pdev); + else { + release_mem_region(pci_resource_start(pdev, 0), + pci_resource_len(pdev, 0)); + release_mem_region(pci_resource_start(pdev, 2), + pci_resource_len(pdev, 2)); + } pci_set_drvdata(pdev, NULL); free_netdev(dev); @@ -5678,7 +6223,14 @@ static void __devexit s2io_rem_nic(struct pci_dev *pdev) iounmap(sp->bar0); iounmap(sp->bar1); pci_disable_device(pdev); - pci_release_regions(pdev); + if (sp->intr_type != MSI_X) + pci_release_regions(pdev); + else { + release_mem_region(pci_resource_start(pdev, 0), + pci_resource_len(pdev, 0)); + release_mem_region(pci_resource_start(pdev, 2), + pci_resource_len(pdev, 2)); + } pci_set_drvdata(pdev, NULL); free_netdev(dev); } diff --git a/drivers/net/s2io.h b/drivers/net/s2io.h index 89151cb52181..1cc24b56760e 100644 --- a/drivers/net/s2io.h +++ b/drivers/net/s2io.h @@ -652,6 +652,30 @@ typedef struct { #define SMALL_BLK_CNT 30 #define LARGE_BLK_CNT 100 +/* + * Structure to keep track of the MSI-X vectors and the corresponding + * argument registered against each vector + */ +#define MAX_REQUESTED_MSI_X 17 +struct s2io_msix_entry +{ + u16 vector; + u16 entry; + void *arg; + + u8 type; +#define MSIX_FIFO_TYPE 1 +#define MSIX_RING_TYPE 2 + + u8 in_use; +#define MSIX_REGISTERED_SUCCESS 0xAA +}; + +struct msix_info_st { + u64 addr; + u64 data; +}; + /* Structure representing one instance of the NIC */ struct s2io_nic { #ifdef CONFIG_S2IO_NAPI @@ -719,13 +743,8 @@ struct s2io_nic { * a schedule task that will set the correct Link state once the * NIC's PHY has stabilized after a state change. */ -#ifdef INIT_TQUEUE - struct tq_struct rst_timer_task; - struct tq_struct set_link_task; -#else struct work_struct rst_timer_task; struct work_struct set_link_task; -#endif /* Flag that can be used to turn on or turn off the Rx checksum * offload feature. @@ -748,10 +767,23 @@ struct s2io_nic { atomic_t card_state; volatile unsigned long link_state; struct vlan_group *vlgrp; +#define MSIX_FLG 0xA5 + struct msix_entry *entries; + struct s2io_msix_entry *s2io_entries; + char desc1[35]; + char desc2[35]; + + struct msix_info_st msix_info[0x3f]; + #define XFRAME_I_DEVICE 1 #define XFRAME_II_DEVICE 2 u8 device_type; +#define INTA 0 +#define MSI 1 +#define MSI_X 2 + u8 intr_type; + spinlock_t rx_lock; atomic_t isr_cnt; }; @@ -886,6 +918,13 @@ static int s2io_poll(struct net_device *dev, int *budget); static void s2io_init_pci(nic_t * sp); int s2io_set_mac_addr(struct net_device *dev, u8 * addr); static void s2io_alarm_handle(unsigned long data); +static int s2io_enable_msi(nic_t *nic); +static irqreturn_t s2io_msi_handle(int irq, void *dev_id, struct pt_regs *regs); +static irqreturn_t +s2io_msix_ring_handle(int irq, void *dev_id, struct pt_regs *regs); +static irqreturn_t +s2io_msix_fifo_handle(int irq, void *dev_id, struct pt_regs *regs); +int s2io_enable_msi_x(nic_t *nic); static irqreturn_t s2io_isr(int irq, void *dev_id, struct pt_regs *regs); static int verify_xena_quiescence(nic_t *sp, u64 val64, int flag); static struct ethtool_ops netdev_ethtool_ops; @@ -894,4 +933,5 @@ int s2io_set_swapper(nic_t * sp); static void s2io_card_down(nic_t *nic); static int s2io_card_up(nic_t *nic); int get_xena_rev_id(struct pci_dev *pdev); +void restore_xmsi_data(nic_t *nic); #endif /* _S2IO_H */ diff --git a/drivers/net/saa9730.c b/drivers/net/saa9730.c index fd0167077fbe..110e777f206e 100644 --- a/drivers/net/saa9730.c +++ b/drivers/net/saa9730.c @@ -997,10 +997,7 @@ static void __devexit saa9730_remove_one(struct pci_dev *pdev) if (dev) { unregister_netdev(dev); - - if (dev->priv) - kfree(dev->priv); - + kfree(dev->priv); free_netdev(dev); pci_release_regions(pdev); pci_disable_device(pdev); @@ -1096,8 +1093,7 @@ static int lan_saa9730_init(struct net_device *dev, int ioaddr, int irq) return 0; out: - if (dev->priv) - kfree(dev->priv); + kfree(dev->priv); return ret; } diff --git a/drivers/net/sb1250-mac.c b/drivers/net/sb1250-mac.c index 7abd55a4fb21..aa4ca1821759 100644 --- a/drivers/net/sb1250-mac.c +++ b/drivers/net/sb1250-mac.c @@ -10,7 +10,7 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * + * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. @@ -118,8 +118,6 @@ MODULE_PARM_DESC(int_timeout, "Timeout value"); ********************************************************************* */ -typedef unsigned long sbmac_port_t; - typedef enum { sbmac_speed_auto, sbmac_speed_10, sbmac_speed_100, sbmac_speed_1000 } sbmac_speed_t; @@ -129,7 +127,7 @@ typedef enum { sbmac_duplex_auto, sbmac_duplex_half, typedef enum { sbmac_fc_auto, sbmac_fc_disabled, sbmac_fc_frame, sbmac_fc_collision, sbmac_fc_carrier } sbmac_fc_t; -typedef enum { sbmac_state_uninit, sbmac_state_off, sbmac_state_on, +typedef enum { sbmac_state_uninit, sbmac_state_off, sbmac_state_on, sbmac_state_broken } sbmac_state_t; @@ -144,17 +142,13 @@ typedef enum { sbmac_state_uninit, sbmac_state_off, sbmac_state_on, #define NUMCACHEBLKS(x) (((x)+SMP_CACHE_BYTES-1)/SMP_CACHE_BYTES) -#define SBMAC_READCSR(t) __raw_readq((unsigned long)t) -#define SBMAC_WRITECSR(t,v) __raw_writeq(v, (unsigned long)t) - - #define SBMAC_MAX_TXDESCR 32 #define SBMAC_MAX_RXDESCR 32 #define ETHER_ALIGN 2 #define ETHER_ADDR_LEN 6 -#define ENET_PACKET_SIZE 1518 -/*#define ENET_PACKET_SIZE 9216 */ +#define ENET_PACKET_SIZE 1518 +/*#define ENET_PACKET_SIZE 9216 */ /********************************************************************** * DMA Descriptor structure @@ -172,12 +166,12 @@ typedef unsigned long paddr_t; ********************************************************************* */ typedef struct sbmacdma_s { - - /* + + /* * This stuff is used to identify the channel and the registers * associated with it. */ - + struct sbmac_softc *sbdma_eth; /* back pointer to associated MAC */ int sbdma_channel; /* channel number */ int sbdma_txdir; /* direction (1=transmit) */ @@ -187,21 +181,21 @@ typedef struct sbmacdma_s { int sbdma_int_timeout; /* # usec rx/tx interrupt */ #endif - sbmac_port_t sbdma_config0; /* DMA config register 0 */ - sbmac_port_t sbdma_config1; /* DMA config register 1 */ - sbmac_port_t sbdma_dscrbase; /* Descriptor base address */ - sbmac_port_t sbdma_dscrcnt; /* Descriptor count register */ - sbmac_port_t sbdma_curdscr; /* current descriptor address */ - + volatile void __iomem *sbdma_config0; /* DMA config register 0 */ + volatile void __iomem *sbdma_config1; /* DMA config register 1 */ + volatile void __iomem *sbdma_dscrbase; /* Descriptor base address */ + volatile void __iomem *sbdma_dscrcnt; /* Descriptor count register */ + volatile void __iomem *sbdma_curdscr; /* current descriptor address */ + /* * This stuff is for maintenance of the ring */ - + sbdmadscr_t *sbdma_dscrtable; /* base of descriptor table */ sbdmadscr_t *sbdma_dscrtable_end; /* end of descriptor table */ - + struct sk_buff **sbdma_ctxtable; /* context table, one per descr */ - + paddr_t sbdma_dscrtable_phys; /* and also the phys addr */ sbdmadscr_t *sbdma_addptr; /* next dscr for sw to add */ sbdmadscr_t *sbdma_remptr; /* next dscr for sw to remove */ @@ -213,15 +207,15 @@ typedef struct sbmacdma_s { ********************************************************************* */ struct sbmac_softc { - + /* * Linux-specific things */ - + struct net_device *sbm_dev; /* pointer to linux device */ spinlock_t sbm_lock; /* spin lock */ struct timer_list sbm_timer; /* for monitoring MII */ - struct net_device_stats sbm_stats; + struct net_device_stats sbm_stats; int sbm_devflags; /* current device flags */ int sbm_phy_oldbmsr; @@ -229,31 +223,31 @@ struct sbmac_softc { int sbm_phy_oldk1stsr; int sbm_phy_oldlinkstat; int sbm_buffersize; - + unsigned char sbm_phys[2]; - + /* * Controller-specific things */ - - unsigned long sbm_base; /* MAC's base address */ + + volatile void __iomem *sbm_base; /* MAC's base address */ sbmac_state_t sbm_state; /* current state */ - - sbmac_port_t sbm_macenable; /* MAC Enable Register */ - sbmac_port_t sbm_maccfg; /* MAC Configuration Register */ - sbmac_port_t sbm_fifocfg; /* FIFO configuration register */ - sbmac_port_t sbm_framecfg; /* Frame configuration register */ - sbmac_port_t sbm_rxfilter; /* receive filter register */ - sbmac_port_t sbm_isr; /* Interrupt status register */ - sbmac_port_t sbm_imr; /* Interrupt mask register */ - sbmac_port_t sbm_mdio; /* MDIO register */ - + + volatile void __iomem *sbm_macenable; /* MAC Enable Register */ + volatile void __iomem *sbm_maccfg; /* MAC Configuration Register */ + volatile void __iomem *sbm_fifocfg; /* FIFO configuration register */ + volatile void __iomem *sbm_framecfg; /* Frame configuration register */ + volatile void __iomem *sbm_rxfilter; /* receive filter register */ + volatile void __iomem *sbm_isr; /* Interrupt status register */ + volatile void __iomem *sbm_imr; /* Interrupt mask register */ + volatile void __iomem *sbm_mdio; /* MDIO register */ + sbmac_speed_t sbm_speed; /* current speed */ sbmac_duplex_t sbm_duplex; /* current duplex */ sbmac_fc_t sbm_fc; /* current flow control setting */ - + unsigned char sbm_hwaddr[ETHER_ADDR_LEN]; - + sbmacdma_t sbm_txdma; /* for now, only use channel 0 */ sbmacdma_t sbm_rxdma; int rx_hw_checksum; @@ -302,6 +296,7 @@ static void sbmac_set_rx_mode(struct net_device *dev); static int sbmac_mii_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); static int sbmac_close(struct net_device *dev); static int sbmac_mii_poll(struct sbmac_softc *s,int noisy); +static int sbmac_mii_probe(struct net_device *dev); static void sbmac_mii_sync(struct sbmac_softc *s); static void sbmac_mii_senddata(struct sbmac_softc *s,unsigned int data, int bitcnt); @@ -439,6 +434,9 @@ static uint64_t sbmac_orig_hwaddr[MAX_UNITS]; #define MII_BMCR 0x00 /* Basic mode control register (rw) */ #define MII_BMSR 0x01 /* Basic mode status register (ro) */ +#define MII_PHYIDR1 0x02 +#define MII_PHYIDR2 0x03 + #define MII_K1STSR 0x0A /* 1K Status Register (ro) */ #define MII_ANLPAR 0x05 /* Autonegotiation lnk partner abilities (rw) */ @@ -450,13 +448,13 @@ static uint64_t sbmac_orig_hwaddr[MAX_UNITS]; /********************************************************************** * SBMAC_MII_SYNC(s) - * + * * Synchronize with the MII - send a pattern of bits to the MII * that will guarantee that it is ready to accept a command. - * - * Input parameters: + * + * Input parameters: * s - sbmac structure - * + * * Return value: * nothing ********************************************************************* */ @@ -467,25 +465,25 @@ static void sbmac_mii_sync(struct sbmac_softc *s) uint64_t bits; int mac_mdio_genc; - mac_mdio_genc = SBMAC_READCSR(s->sbm_mdio) & M_MAC_GENC; - + mac_mdio_genc = __raw_readq(s->sbm_mdio) & M_MAC_GENC; + bits = M_MAC_MDIO_DIR_OUTPUT | M_MAC_MDIO_OUT; - - SBMAC_WRITECSR(s->sbm_mdio,bits | mac_mdio_genc); - + + __raw_writeq(bits | mac_mdio_genc, s->sbm_mdio); + for (cnt = 0; cnt < 32; cnt++) { - SBMAC_WRITECSR(s->sbm_mdio,bits | M_MAC_MDC | mac_mdio_genc); - SBMAC_WRITECSR(s->sbm_mdio,bits | mac_mdio_genc); + __raw_writeq(bits | M_MAC_MDC | mac_mdio_genc, s->sbm_mdio); + __raw_writeq(bits | mac_mdio_genc, s->sbm_mdio); } } /********************************************************************** * SBMAC_MII_SENDDATA(s,data,bitcnt) - * + * * Send some bits to the MII. The bits to be sent are right- * justified in the 'data' parameter. - * - * Input parameters: + * + * Input parameters: * s - sbmac structure * data - data to send * bitcnt - number of bits to send @@ -498,20 +496,20 @@ static void sbmac_mii_senddata(struct sbmac_softc *s,unsigned int data, int bitc unsigned int curmask; int mac_mdio_genc; - mac_mdio_genc = SBMAC_READCSR(s->sbm_mdio) & M_MAC_GENC; - + mac_mdio_genc = __raw_readq(s->sbm_mdio) & M_MAC_GENC; + bits = M_MAC_MDIO_DIR_OUTPUT; - SBMAC_WRITECSR(s->sbm_mdio,bits | mac_mdio_genc); - + __raw_writeq(bits | mac_mdio_genc, s->sbm_mdio); + curmask = 1 << (bitcnt - 1); - + for (i = 0; i < bitcnt; i++) { if (data & curmask) bits |= M_MAC_MDIO_OUT; else bits &= ~M_MAC_MDIO_OUT; - SBMAC_WRITECSR(s->sbm_mdio,bits | mac_mdio_genc); - SBMAC_WRITECSR(s->sbm_mdio,bits | M_MAC_MDC | mac_mdio_genc); - SBMAC_WRITECSR(s->sbm_mdio,bits | mac_mdio_genc); + __raw_writeq(bits | mac_mdio_genc, s->sbm_mdio); + __raw_writeq(bits | M_MAC_MDC | mac_mdio_genc, s->sbm_mdio); + __raw_writeq(bits | mac_mdio_genc, s->sbm_mdio); curmask >>= 1; } } @@ -520,14 +518,14 @@ static void sbmac_mii_senddata(struct sbmac_softc *s,unsigned int data, int bitc /********************************************************************** * SBMAC_MII_READ(s,phyaddr,regidx) - * + * * Read a PHY register. - * - * Input parameters: + * + * Input parameters: * s - sbmac structure * phyaddr - PHY's address * regidx = index of register to read - * + * * Return value: * value read, or 0 if an error occurred. ********************************************************************* */ @@ -543,9 +541,9 @@ static unsigned int sbmac_mii_read(struct sbmac_softc *s,int phyaddr,int regidx) * Synchronize ourselves so that the PHY knows the next * thing coming down is a command */ - + sbmac_mii_sync(s); - + /* * Send the data to the PHY. The sequence is * a "start" command (2 bits) @@ -553,59 +551,55 @@ static unsigned int sbmac_mii_read(struct sbmac_softc *s,int phyaddr,int regidx) * the PHY addr (5 bits) * the register index (5 bits) */ - + sbmac_mii_senddata(s,MII_COMMAND_START, 2); sbmac_mii_senddata(s,MII_COMMAND_READ, 2); sbmac_mii_senddata(s,phyaddr, 5); sbmac_mii_senddata(s,regidx, 5); - - mac_mdio_genc = SBMAC_READCSR(s->sbm_mdio) & M_MAC_GENC; - - /* + + mac_mdio_genc = __raw_readq(s->sbm_mdio) & M_MAC_GENC; + + /* * Switch the port around without a clock transition. */ - SBMAC_WRITECSR(s->sbm_mdio,M_MAC_MDIO_DIR_INPUT | mac_mdio_genc); - + __raw_writeq(M_MAC_MDIO_DIR_INPUT | mac_mdio_genc, s->sbm_mdio); + /* * Send out a clock pulse to signal we want the status */ - - SBMAC_WRITECSR(s->sbm_mdio, - M_MAC_MDIO_DIR_INPUT | M_MAC_MDC | mac_mdio_genc); - SBMAC_WRITECSR(s->sbm_mdio,M_MAC_MDIO_DIR_INPUT | mac_mdio_genc); - - /* + + __raw_writeq(M_MAC_MDIO_DIR_INPUT | M_MAC_MDC | mac_mdio_genc, s->sbm_mdio); + __raw_writeq(M_MAC_MDIO_DIR_INPUT | mac_mdio_genc, s->sbm_mdio); + + /* * If an error occurred, the PHY will signal '1' back */ - error = SBMAC_READCSR(s->sbm_mdio) & M_MAC_MDIO_IN; - - /* + error = __raw_readq(s->sbm_mdio) & M_MAC_MDIO_IN; + + /* * Issue an 'idle' clock pulse, but keep the direction * the same. */ - SBMAC_WRITECSR(s->sbm_mdio, - M_MAC_MDIO_DIR_INPUT | M_MAC_MDC | mac_mdio_genc); - SBMAC_WRITECSR(s->sbm_mdio,M_MAC_MDIO_DIR_INPUT | mac_mdio_genc); - + __raw_writeq(M_MAC_MDIO_DIR_INPUT | M_MAC_MDC | mac_mdio_genc, s->sbm_mdio); + __raw_writeq(M_MAC_MDIO_DIR_INPUT | mac_mdio_genc, s->sbm_mdio); + regval = 0; - + for (idx = 0; idx < 16; idx++) { regval <<= 1; - + if (error == 0) { - if (SBMAC_READCSR(s->sbm_mdio) & M_MAC_MDIO_IN) + if (__raw_readq(s->sbm_mdio) & M_MAC_MDIO_IN) regval |= 1; } - - SBMAC_WRITECSR(s->sbm_mdio, - M_MAC_MDIO_DIR_INPUT|M_MAC_MDC | mac_mdio_genc); - SBMAC_WRITECSR(s->sbm_mdio, - M_MAC_MDIO_DIR_INPUT | mac_mdio_genc); + + __raw_writeq(M_MAC_MDIO_DIR_INPUT|M_MAC_MDC | mac_mdio_genc, s->sbm_mdio); + __raw_writeq(M_MAC_MDIO_DIR_INPUT | mac_mdio_genc, s->sbm_mdio); } - + /* Switch back to output */ - SBMAC_WRITECSR(s->sbm_mdio,M_MAC_MDIO_DIR_OUTPUT | mac_mdio_genc); - + __raw_writeq(M_MAC_MDIO_DIR_OUTPUT | mac_mdio_genc, s->sbm_mdio); + if (error == 0) return regval; return 0; @@ -614,15 +608,15 @@ static unsigned int sbmac_mii_read(struct sbmac_softc *s,int phyaddr,int regidx) /********************************************************************** * SBMAC_MII_WRITE(s,phyaddr,regidx,regval) - * + * * Write a value to a PHY register. - * - * Input parameters: + * + * Input parameters: * s - sbmac structure * phyaddr - PHY to use * regidx - register within the PHY * regval - data to write to register - * + * * Return value: * nothing ********************************************************************* */ @@ -633,7 +627,7 @@ static void sbmac_mii_write(struct sbmac_softc *s,int phyaddr,int regidx, int mac_mdio_genc; sbmac_mii_sync(s); - + sbmac_mii_senddata(s,MII_COMMAND_START,2); sbmac_mii_senddata(s,MII_COMMAND_WRITE,2); sbmac_mii_senddata(s,phyaddr, 5); @@ -641,27 +635,27 @@ static void sbmac_mii_write(struct sbmac_softc *s,int phyaddr,int regidx, sbmac_mii_senddata(s,MII_COMMAND_ACK,2); sbmac_mii_senddata(s,regval,16); - mac_mdio_genc = SBMAC_READCSR(s->sbm_mdio) & M_MAC_GENC; + mac_mdio_genc = __raw_readq(s->sbm_mdio) & M_MAC_GENC; - SBMAC_WRITECSR(s->sbm_mdio,M_MAC_MDIO_DIR_OUTPUT | mac_mdio_genc); + __raw_writeq(M_MAC_MDIO_DIR_OUTPUT | mac_mdio_genc, s->sbm_mdio); } /********************************************************************** * SBDMA_INITCTX(d,s,chan,txrx,maxdescr) - * + * * Initialize a DMA channel context. Since there are potentially * eight DMA channels per MAC, it's nice to do this in a standard - * way. - * - * Input parameters: + * way. + * + * Input parameters: * d - sbmacdma_t structure (DMA channel context) * s - sbmac_softc structure (pointer to a MAC) * chan - channel number (0..1 right now) * txrx - Identifies DMA_TX or DMA_RX for channel direction * maxdescr - number of descriptors - * + * * Return value: * nothing ********************************************************************* */ @@ -672,101 +666,87 @@ static void sbdma_initctx(sbmacdma_t *d, int txrx, int maxdescr) { - /* - * Save away interesting stuff in the structure + /* + * Save away interesting stuff in the structure */ - + d->sbdma_eth = s; d->sbdma_channel = chan; d->sbdma_txdir = txrx; - + #if 0 /* RMON clearing */ s->sbe_idx =(s->sbm_base - A_MAC_BASE_0)/MAC_SPACING; #endif - SBMAC_WRITECSR(IOADDR( - A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_TX_BYTES)), 0); - SBMAC_WRITECSR(IOADDR( - A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_COLLISIONS)), 0); - SBMAC_WRITECSR(IOADDR( - A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_LATE_COL)), 0); - SBMAC_WRITECSR(IOADDR( - A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_EX_COL)), 0); - SBMAC_WRITECSR(IOADDR( - A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_FCS_ERROR)), 0); - SBMAC_WRITECSR(IOADDR( - A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_TX_ABORT)), 0); - SBMAC_WRITECSR(IOADDR( - A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_TX_BAD)), 0); - SBMAC_WRITECSR(IOADDR( - A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_TX_GOOD)), 0); - SBMAC_WRITECSR(IOADDR( - A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_TX_RUNT)), 0); - SBMAC_WRITECSR(IOADDR( - A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_TX_OVERSIZE)), 0); - SBMAC_WRITECSR(IOADDR( - A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_RX_BYTES)), 0); - SBMAC_WRITECSR(IOADDR( - A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_RX_MCAST)), 0); - SBMAC_WRITECSR(IOADDR( - A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_RX_BCAST)), 0); - SBMAC_WRITECSR(IOADDR( - A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_RX_BAD)), 0); - SBMAC_WRITECSR(IOADDR( - A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_RX_GOOD)), 0); - SBMAC_WRITECSR(IOADDR( - A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_RX_RUNT)), 0); - SBMAC_WRITECSR(IOADDR( - A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_RX_OVERSIZE)), 0); - SBMAC_WRITECSR(IOADDR( - A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_RX_FCS_ERROR)), 0); - SBMAC_WRITECSR(IOADDR( - A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_RX_LENGTH_ERROR)), 0); - SBMAC_WRITECSR(IOADDR( - A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_RX_CODE_ERROR)), 0); - SBMAC_WRITECSR(IOADDR( - A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_RX_ALIGN_ERROR)), 0); - - /* - * initialize register pointers - */ - - d->sbdma_config0 = + __raw_writeq(0, IOADDR(A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_TX_BYTES))); + __raw_writeq(0, IOADDR(A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_COLLISIONS))); + __raw_writeq(0, IOADDR(A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_LATE_COL))); + __raw_writeq(0, IOADDR(A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_EX_COL))); + __raw_writeq(0, IOADDR(A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_FCS_ERROR))); + __raw_writeq(0, IOADDR(A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_TX_ABORT))); + __raw_writeq(0, IOADDR(A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_TX_BAD))); + __raw_writeq(0, IOADDR(A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_TX_GOOD))); + __raw_writeq(0, IOADDR(A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_TX_RUNT))); + __raw_writeq(0, IOADDR(A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_TX_OVERSIZE))); + __raw_writeq(0, IOADDR(A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_RX_BYTES))); + __raw_writeq(0, IOADDR(A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_RX_MCAST))); + __raw_writeq(0, IOADDR(A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_RX_BCAST))); + __raw_writeq(0, IOADDR(A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_RX_BAD))); + __raw_writeq(0, IOADDR(A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_RX_GOOD))); + __raw_writeq(0, IOADDR(A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_RX_RUNT))); + __raw_writeq(0, IOADDR(A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_RX_OVERSIZE))); + __raw_writeq(0, IOADDR(A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_RX_FCS_ERROR))); + __raw_writeq(0, IOADDR(A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_RX_LENGTH_ERROR))); + __raw_writeq(0, IOADDR(A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_RX_CODE_ERROR))); + __raw_writeq(0, IOADDR(A_MAC_REGISTER(s->sbe_idx, R_MAC_RMON_RX_ALIGN_ERROR))); + + /* + * initialize register pointers + */ + + d->sbdma_config0 = s->sbm_base + R_MAC_DMA_REGISTER(txrx,chan,R_MAC_DMA_CONFIG0); - d->sbdma_config1 = + d->sbdma_config1 = s->sbm_base + R_MAC_DMA_REGISTER(txrx,chan,R_MAC_DMA_CONFIG1); - d->sbdma_dscrbase = + d->sbdma_dscrbase = s->sbm_base + R_MAC_DMA_REGISTER(txrx,chan,R_MAC_DMA_DSCR_BASE); - d->sbdma_dscrcnt = + d->sbdma_dscrcnt = s->sbm_base + R_MAC_DMA_REGISTER(txrx,chan,R_MAC_DMA_DSCR_CNT); - d->sbdma_curdscr = + d->sbdma_curdscr = s->sbm_base + R_MAC_DMA_REGISTER(txrx,chan,R_MAC_DMA_CUR_DSCRADDR); - + /* * Allocate memory for the ring */ - + d->sbdma_maxdescr = maxdescr; - - d->sbdma_dscrtable = (sbdmadscr_t *) - kmalloc(d->sbdma_maxdescr*sizeof(sbdmadscr_t), GFP_KERNEL); - + + d->sbdma_dscrtable = (sbdmadscr_t *) + kmalloc((d->sbdma_maxdescr+1)*sizeof(sbdmadscr_t), GFP_KERNEL); + + /* + * The descriptor table must be aligned to at least 16 bytes or the + * MAC will corrupt it. + */ + d->sbdma_dscrtable = (sbdmadscr_t *) + ALIGN((unsigned long)d->sbdma_dscrtable, sizeof(sbdmadscr_t)); + memset(d->sbdma_dscrtable,0,d->sbdma_maxdescr*sizeof(sbdmadscr_t)); - + d->sbdma_dscrtable_end = d->sbdma_dscrtable + d->sbdma_maxdescr; - + d->sbdma_dscrtable_phys = virt_to_phys(d->sbdma_dscrtable); - + /* * And context table */ - - d->sbdma_ctxtable = (struct sk_buff **) + + d->sbdma_ctxtable = (struct sk_buff **) kmalloc(d->sbdma_maxdescr*sizeof(struct sk_buff *), GFP_KERNEL); - + memset(d->sbdma_ctxtable,0,d->sbdma_maxdescr*sizeof(struct sk_buff *)); - + #ifdef CONFIG_SBMAC_COALESCE /* * Setup Rx/Tx DMA coalescing defaults @@ -777,7 +757,7 @@ static void sbdma_initctx(sbmacdma_t *d, } else { d->sbdma_int_pktcnt = 1; } - + if ( int_timeout ) { d->sbdma_int_timeout = int_timeout; } else { @@ -789,13 +769,13 @@ static void sbdma_initctx(sbmacdma_t *d, /********************************************************************** * SBDMA_CHANNEL_START(d) - * + * * Initialize the hardware registers for a DMA channel. - * - * Input parameters: + * + * Input parameters: * d - DMA channel to init (context must be previously init'd * rxtx - DMA_RX or DMA_TX depending on what type of channel - * + * * Return value: * nothing ********************************************************************* */ @@ -805,24 +785,21 @@ static void sbdma_channel_start(sbmacdma_t *d, int rxtx ) /* * Turn on the DMA channel */ - + #ifdef CONFIG_SBMAC_COALESCE - SBMAC_WRITECSR(d->sbdma_config1, - V_DMA_INT_TIMEOUT(d->sbdma_int_timeout) | - 0); - SBMAC_WRITECSR(d->sbdma_config0, - M_DMA_EOP_INT_EN | + __raw_writeq(V_DMA_INT_TIMEOUT(d->sbdma_int_timeout) | + 0, d->sbdma_config1); + __raw_writeq(M_DMA_EOP_INT_EN | V_DMA_RINGSZ(d->sbdma_maxdescr) | V_DMA_INT_PKTCNT(d->sbdma_int_pktcnt) | - 0); + 0, d->sbdma_config0); #else - SBMAC_WRITECSR(d->sbdma_config1,0); - SBMAC_WRITECSR(d->sbdma_config0, - V_DMA_RINGSZ(d->sbdma_maxdescr) | - 0); + __raw_writeq(0, d->sbdma_config1); + __raw_writeq(V_DMA_RINGSZ(d->sbdma_maxdescr) | + 0, d->sbdma_config0); #endif - SBMAC_WRITECSR(d->sbdma_dscrbase,d->sbdma_dscrtable_phys); + __raw_writeq(d->sbdma_dscrtable_phys, d->sbdma_dscrbase); /* * Initialize ring pointers @@ -834,12 +811,12 @@ static void sbdma_channel_start(sbmacdma_t *d, int rxtx ) /********************************************************************** * SBDMA_CHANNEL_STOP(d) - * + * * Initialize the hardware registers for a DMA channel. - * - * Input parameters: + * + * Input parameters: * d - DMA channel to init (context must be previously init'd - * + * * Return value: * nothing ********************************************************************* */ @@ -849,44 +826,44 @@ static void sbdma_channel_stop(sbmacdma_t *d) /* * Turn off the DMA channel */ - - SBMAC_WRITECSR(d->sbdma_config1,0); - - SBMAC_WRITECSR(d->sbdma_dscrbase,0); - - SBMAC_WRITECSR(d->sbdma_config0,0); - + + __raw_writeq(0, d->sbdma_config1); + + __raw_writeq(0, d->sbdma_dscrbase); + + __raw_writeq(0, d->sbdma_config0); + /* * Zero ring pointers */ - - d->sbdma_addptr = 0; - d->sbdma_remptr = 0; + + d->sbdma_addptr = NULL; + d->sbdma_remptr = NULL; } static void sbdma_align_skb(struct sk_buff *skb,int power2,int offset) { unsigned long addr; unsigned long newaddr; - + addr = (unsigned long) skb->data; - + newaddr = (addr + power2 - 1) & ~(power2 - 1); - + skb_reserve(skb,newaddr-addr+offset); } /********************************************************************** * SBDMA_ADD_RCVBUFFER(d,sb) - * + * * Add a buffer to the specified DMA channel. For receive channels, * this queues a buffer for inbound packets. - * - * Input parameters: + * + * Input parameters: * d - DMA channel descriptor * sb - sk_buff to add, or NULL if we should allocate one - * + * * Return value: * 0 if buffer could not be added (ring is full) * 1 if buffer added successfully @@ -899,24 +876,24 @@ static int sbdma_add_rcvbuffer(sbmacdma_t *d,struct sk_buff *sb) sbdmadscr_t *nextdsc; struct sk_buff *sb_new = NULL; int pktsize = ENET_PACKET_SIZE; - + /* get pointer to our current place in the ring */ - + dsc = d->sbdma_addptr; nextdsc = SBDMA_NEXTBUF(d,sbdma_addptr); - + /* * figure out if the ring is full - if the next descriptor * is the same as the one that we're going to remove from * the ring, the ring is full */ - + if (nextdsc == d->sbdma_remptr) { return -ENOSPC; } - /* - * Allocate a sk_buff if we don't already have one. + /* + * Allocate a sk_buff if we don't already have one. * If we do have an sk_buff, reset it so that it's empty. * * Note: sk_buffs don't seem to be guaranteed to have any sort @@ -925,7 +902,7 @@ static int sbdma_add_rcvbuffer(sbmacdma_t *d,struct sk_buff *sb) * * 1. the data does not start in the middle of a cache line. * 2. The data does not end in the middle of a cache line - * 3. The buffer can be aligned such that the IP addresses are + * 3. The buffer can be aligned such that the IP addresses are * naturally aligned. * * Remember, the SOCs MAC writes whole cache lines at a time, @@ -933,7 +910,7 @@ static int sbdma_add_rcvbuffer(sbmacdma_t *d,struct sk_buff *sb) * data portion starts in the middle of a cache line, the SOC * DMA will trash the beginning (and ending) portions. */ - + if (sb == NULL) { sb_new = dev_alloc_skb(ENET_PACKET_SIZE + SMP_CACHE_BYTES * 2 + ETHER_ALIGN); if (sb_new == NULL) { @@ -949,23 +926,22 @@ static int sbdma_add_rcvbuffer(sbmacdma_t *d,struct sk_buff *sb) } else { sb_new = sb; - /* + /* * nothing special to reinit buffer, it's already aligned * and sb->data already points to a good place. */ } - + /* - * fill in the descriptor + * fill in the descriptor */ - + #ifdef CONFIG_SBMAC_COALESCE /* * Do not interrupt per DMA transfer. */ dsc->dscr_a = virt_to_phys(sb_new->data) | - V_DMA_DSCRA_A_SIZE(NUMCACHEBLKS(pktsize+ETHER_ALIGN)) | - 0; + V_DMA_DSCRA_A_SIZE(NUMCACHEBLKS(pktsize+ETHER_ALIGN)) | 0; #else dsc->dscr_a = virt_to_phys(sb_new->data) | V_DMA_DSCRA_A_SIZE(NUMCACHEBLKS(pktsize+ETHER_ALIGN)) | @@ -974,38 +950,38 @@ static int sbdma_add_rcvbuffer(sbmacdma_t *d,struct sk_buff *sb) /* receiving: no options */ dsc->dscr_b = 0; - + /* - * fill in the context + * fill in the context */ - + d->sbdma_ctxtable[dsc-d->sbdma_dscrtable] = sb_new; - - /* - * point at next packet + + /* + * point at next packet */ - + d->sbdma_addptr = nextdsc; - - /* + + /* * Give the buffer to the DMA engine. */ - - SBMAC_WRITECSR(d->sbdma_dscrcnt,1); - + + __raw_writeq(1, d->sbdma_dscrcnt); + return 0; /* we did it */ } /********************************************************************** * SBDMA_ADD_TXBUFFER(d,sb) - * + * * Add a transmit buffer to the specified DMA channel, causing a * transmit to start. - * - * Input parameters: + * + * Input parameters: * d - DMA channel descriptor * sb - sk_buff to add - * + * * Return value: * 0 transmit queued successfully * otherwise error code @@ -1019,70 +995,70 @@ static int sbdma_add_txbuffer(sbmacdma_t *d,struct sk_buff *sb) uint64_t phys; uint64_t ncb; int length; - + /* get pointer to our current place in the ring */ - + dsc = d->sbdma_addptr; nextdsc = SBDMA_NEXTBUF(d,sbdma_addptr); - + /* * figure out if the ring is full - if the next descriptor * is the same as the one that we're going to remove from * the ring, the ring is full */ - + if (nextdsc == d->sbdma_remptr) { return -ENOSPC; } - + /* * Under Linux, it's not necessary to copy/coalesce buffers * like it is on NetBSD. We think they're all contiguous, * but that may not be true for GBE. */ - + length = sb->len; - + /* * fill in the descriptor. Note that the number of cache * blocks in the descriptor is the number of blocks * *spanned*, so we need to add in the offset (if any) * while doing the calculation. */ - + phys = virt_to_phys(sb->data); ncb = NUMCACHEBLKS(length+(phys & (SMP_CACHE_BYTES - 1))); - dsc->dscr_a = phys | + dsc->dscr_a = phys | V_DMA_DSCRA_A_SIZE(ncb) | #ifndef CONFIG_SBMAC_COALESCE M_DMA_DSCRA_INTERRUPT | #endif M_DMA_ETHTX_SOP; - + /* transmitting: set outbound options and length */ dsc->dscr_b = V_DMA_DSCRB_OPTIONS(K_DMA_ETHTX_APPENDCRC_APPENDPAD) | V_DMA_DSCRB_PKT_SIZE(length); - + /* - * fill in the context + * fill in the context */ - + d->sbdma_ctxtable[dsc-d->sbdma_dscrtable] = sb; - - /* - * point at next packet + + /* + * point at next packet */ - + d->sbdma_addptr = nextdsc; - - /* + + /* * Give the buffer to the DMA engine. */ - - SBMAC_WRITECSR(d->sbdma_dscrcnt,1); - + + __raw_writeq(1, d->sbdma_dscrcnt); + return 0; /* we did it */ } @@ -1091,12 +1067,12 @@ static int sbdma_add_txbuffer(sbmacdma_t *d,struct sk_buff *sb) /********************************************************************** * SBDMA_EMPTYRING(d) - * + * * Free all allocated sk_buffs on the specified DMA channel; - * - * Input parameters: + * + * Input parameters: * d - DMA channel - * + * * Return value: * nothing ********************************************************************* */ @@ -1105,7 +1081,7 @@ static void sbdma_emptyring(sbmacdma_t *d) { int idx; struct sk_buff *sb; - + for (idx = 0; idx < d->sbdma_maxdescr; idx++) { sb = d->sbdma_ctxtable[idx]; if (sb) { @@ -1118,13 +1094,13 @@ static void sbdma_emptyring(sbmacdma_t *d) /********************************************************************** * SBDMA_FILLRING(d) - * + * * Fill the specified DMA channel (must be receive channel) * with sk_buffs - * - * Input parameters: + * + * Input parameters: * d - DMA channel - * + * * Return value: * nothing ********************************************************************* */ @@ -1132,7 +1108,7 @@ static void sbdma_emptyring(sbmacdma_t *d) static void sbdma_fillring(sbmacdma_t *d) { int idx; - + for (idx = 0; idx < SBMAC_MAX_RXDESCR-1; idx++) { if (sbdma_add_rcvbuffer(d,NULL) != 0) break; @@ -1142,16 +1118,16 @@ static void sbdma_fillring(sbmacdma_t *d) /********************************************************************** * SBDMA_RX_PROCESS(sc,d) - * - * Process "completed" receive buffers on the specified DMA channel. + * + * Process "completed" receive buffers on the specified DMA channel. * Note that this isn't really ideal for priority channels, since - * it processes all of the packets on a given channel before - * returning. + * it processes all of the packets on a given channel before + * returning. * - * Input parameters: + * Input parameters: * sc - softc structure * d - DMA channel context - * + * * Return value: * nothing ********************************************************************* */ @@ -1163,56 +1139,56 @@ static void sbdma_rx_process(struct sbmac_softc *sc,sbmacdma_t *d) sbdmadscr_t *dsc; struct sk_buff *sb; int len; - + for (;;) { - /* + /* * figure out where we are (as an index) and where * the hardware is (also as an index) * - * This could be done faster if (for example) the + * This could be done faster if (for example) the * descriptor table was page-aligned and contiguous in * both virtual and physical memory -- you could then * just compare the low-order bits of the virtual address * (sbdma_remptr) and the physical address (sbdma_curdscr CSR) */ - + curidx = d->sbdma_remptr - d->sbdma_dscrtable; - hwidx = (int) (((SBMAC_READCSR(d->sbdma_curdscr) & M_DMA_CURDSCR_ADDR) - + hwidx = (int) (((__raw_readq(d->sbdma_curdscr) & M_DMA_CURDSCR_ADDR) - d->sbdma_dscrtable_phys) / sizeof(sbdmadscr_t)); - + /* * If they're the same, that means we've processed all * of the descriptors up to (but not including) the one that * the hardware is working on right now. */ - + if (curidx == hwidx) break; - + /* * Otherwise, get the packet's sk_buff ptr back */ - + dsc = &(d->sbdma_dscrtable[curidx]); sb = d->sbdma_ctxtable[curidx]; d->sbdma_ctxtable[curidx] = NULL; - + len = (int)G_DMA_DSCRB_PKT_SIZE(dsc->dscr_b) - 4; - + /* * Check packet status. If good, process it. * If not, silently drop it and put it back on the * receive ring. */ - + if (!(dsc->dscr_a & M_DMA_ETHRX_BAD)) { - + /* * Add a new buffer to replace the old one. If we fail * to allocate a buffer, we're going to drop this * packet and put it right back on the receive ring. */ - + if (sbdma_add_rcvbuffer(d,NULL) == -ENOBUFS) { sc->sbm_stats.rx_dropped++; sbdma_add_rcvbuffer(d,sb); /* re-add old buffer */ @@ -1221,7 +1197,7 @@ static void sbdma_rx_process(struct sbmac_softc *sc,sbmacdma_t *d) * Set length into the packet */ skb_put(sb,len); - + /* * Buffer has been replaced on the * receive ring. Pass the buffer to @@ -1240,7 +1216,7 @@ static void sbdma_rx_process(struct sbmac_softc *sc,sbmacdma_t *d) sb->ip_summed = CHECKSUM_NONE; } } - + netif_rx(sb); } } else { @@ -1251,14 +1227,14 @@ static void sbdma_rx_process(struct sbmac_softc *sc,sbmacdma_t *d) sc->sbm_stats.rx_errors++; sbdma_add_rcvbuffer(d,sb); } - - - /* + + + /* * .. and advance to the next buffer. */ - + d->sbdma_remptr = SBDMA_NEXTBUF(d,sbdma_remptr); - + } } @@ -1266,17 +1242,17 @@ static void sbdma_rx_process(struct sbmac_softc *sc,sbmacdma_t *d) /********************************************************************** * SBDMA_TX_PROCESS(sc,d) - * - * Process "completed" transmit buffers on the specified DMA channel. + * + * Process "completed" transmit buffers on the specified DMA channel. * This is normally called within the interrupt service routine. * Note that this isn't really ideal for priority channels, since - * it processes all of the packets on a given channel before - * returning. + * it processes all of the packets on a given channel before + * returning. * - * Input parameters: + * Input parameters: * sc - softc structure * d - DMA channel context - * + * * Return value: * nothing ********************************************************************* */ @@ -1290,21 +1266,21 @@ static void sbdma_tx_process(struct sbmac_softc *sc,sbmacdma_t *d) unsigned long flags; spin_lock_irqsave(&(sc->sbm_lock), flags); - + for (;;) { - /* + /* * figure out where we are (as an index) and where * the hardware is (also as an index) * - * This could be done faster if (for example) the + * This could be done faster if (for example) the * descriptor table was page-aligned and contiguous in * both virtual and physical memory -- you could then * just compare the low-order bits of the virtual address * (sbdma_remptr) and the physical address (sbdma_curdscr CSR) */ - + curidx = d->sbdma_remptr - d->sbdma_dscrtable; - hwidx = (int) (((SBMAC_READCSR(d->sbdma_curdscr) & M_DMA_CURDSCR_ADDR) - + hwidx = (int) (((__raw_readq(d->sbdma_curdscr) & M_DMA_CURDSCR_ADDR) - d->sbdma_dscrtable_phys) / sizeof(sbdmadscr_t)); /* @@ -1312,75 +1288,75 @@ static void sbdma_tx_process(struct sbmac_softc *sc,sbmacdma_t *d) * of the descriptors up to (but not including) the one that * the hardware is working on right now. */ - + if (curidx == hwidx) break; - + /* * Otherwise, get the packet's sk_buff ptr back */ - + dsc = &(d->sbdma_dscrtable[curidx]); sb = d->sbdma_ctxtable[curidx]; d->sbdma_ctxtable[curidx] = NULL; - + /* * Stats */ - + sc->sbm_stats.tx_bytes += sb->len; sc->sbm_stats.tx_packets++; - + /* * for transmits, we just free buffers. */ - + dev_kfree_skb_irq(sb); - - /* + + /* * .. and advance to the next buffer. */ d->sbdma_remptr = SBDMA_NEXTBUF(d,sbdma_remptr); - + } - + /* * Decide if we should wake up the protocol or not. * Other drivers seem to do this when we reach a low * watermark on the transmit queue. */ - + netif_wake_queue(d->sbdma_eth->sbm_dev); - + spin_unlock_irqrestore(&(sc->sbm_lock), flags); - + } /********************************************************************** * SBMAC_INITCTX(s) - * + * * Initialize an Ethernet context structure - this is called * once per MAC on the 1250. Memory is allocated here, so don't * call it again from inside the ioctl routines that bring the * interface up/down - * - * Input parameters: + * + * Input parameters: * s - sbmac context structure - * + * * Return value: * 0 ********************************************************************* */ static int sbmac_initctx(struct sbmac_softc *s) { - - /* - * figure out the addresses of some ports + + /* + * figure out the addresses of some ports */ - + s->sbm_macenable = s->sbm_base + R_MAC_ENABLE; s->sbm_maccfg = s->sbm_base + R_MAC_CFG; s->sbm_fifocfg = s->sbm_base + R_MAC_THRSH_CFG; @@ -1397,29 +1373,29 @@ static int sbmac_initctx(struct sbmac_softc *s) s->sbm_phy_oldanlpar = 0; s->sbm_phy_oldk1stsr = 0; s->sbm_phy_oldlinkstat = 0; - + /* * Initialize the DMA channels. Right now, only one per MAC is used * Note: Only do this _once_, as it allocates memory from the kernel! */ - + sbdma_initctx(&(s->sbm_txdma),s,0,DMA_TX,SBMAC_MAX_TXDESCR); sbdma_initctx(&(s->sbm_rxdma),s,0,DMA_RX,SBMAC_MAX_RXDESCR); - + /* * initial state is OFF */ - + s->sbm_state = sbmac_state_off; - + /* * Initial speed is (XXX TEMP) 10MBit/s HDX no FC */ - + s->sbm_speed = sbmac_speed_10; s->sbm_duplex = sbmac_duplex_half; s->sbm_fc = sbmac_fc_disabled; - + return 0; } @@ -1430,7 +1406,7 @@ static void sbdma_uninitctx(struct sbmacdma_s *d) kfree(d->sbdma_dscrtable); d->sbdma_dscrtable = NULL; } - + if (d->sbdma_ctxtable) { kfree(d->sbdma_ctxtable); d->sbdma_ctxtable = NULL; @@ -1447,12 +1423,12 @@ static void sbmac_uninitctx(struct sbmac_softc *sc) /********************************************************************** * SBMAC_CHANNEL_START(s) - * + * * Start packet processing on this MAC. - * - * Input parameters: + * + * Input parameters: * s - sbmac structure - * + * * Return value: * nothing ********************************************************************* */ @@ -1460,49 +1436,49 @@ static void sbmac_uninitctx(struct sbmac_softc *sc) static void sbmac_channel_start(struct sbmac_softc *s) { uint64_t reg; - sbmac_port_t port; + volatile void __iomem *port; uint64_t cfg,fifo,framecfg; int idx, th_value; - + /* * Don't do this if running */ if (s->sbm_state == sbmac_state_on) return; - + /* * Bring the controller out of reset, but leave it off. */ - - SBMAC_WRITECSR(s->sbm_macenable,0); - + + __raw_writeq(0, s->sbm_macenable); + /* * Ignore all received packets */ - - SBMAC_WRITECSR(s->sbm_rxfilter,0); - - /* + + __raw_writeq(0, s->sbm_rxfilter); + + /* * Calculate values for various control registers. */ - + cfg = M_MAC_RETRY_EN | - M_MAC_TX_HOLD_SOP_EN | + M_MAC_TX_HOLD_SOP_EN | V_MAC_TX_PAUSE_CNT_16K | M_MAC_AP_STAT_EN | M_MAC_FAST_SYNC | M_MAC_SS_EN | 0; - - /* + + /* * Be sure that RD_THRSH+WR_THRSH <= 32 for pass1 pars * and make sure that RD_THRSH + WR_THRSH <=128 for pass2 and above * Use a larger RD_THRSH for gigabit */ - if (periph_rev >= 2) + if (periph_rev >= 2) th_value = 64; - else + else th_value = 28; fifo = V_MAC_TX_WR_THRSH(4) | /* Must be '4' or '8' */ @@ -1520,51 +1496,51 @@ static void sbmac_channel_start(struct sbmac_softc *s) V_MAC_BACKOFF_SEL(1); /* - * Clear out the hash address map + * Clear out the hash address map */ - + port = s->sbm_base + R_MAC_HASH_BASE; for (idx = 0; idx < MAC_HASH_COUNT; idx++) { - SBMAC_WRITECSR(port,0); + __raw_writeq(0, port); port += sizeof(uint64_t); } - + /* * Clear out the exact-match table */ - + port = s->sbm_base + R_MAC_ADDR_BASE; for (idx = 0; idx < MAC_ADDR_COUNT; idx++) { - SBMAC_WRITECSR(port,0); + __raw_writeq(0, port); port += sizeof(uint64_t); } - + /* * Clear out the DMA Channel mapping table registers */ - + port = s->sbm_base + R_MAC_CHUP0_BASE; for (idx = 0; idx < MAC_CHMAP_COUNT; idx++) { - SBMAC_WRITECSR(port,0); + __raw_writeq(0, port); port += sizeof(uint64_t); } port = s->sbm_base + R_MAC_CHLO0_BASE; for (idx = 0; idx < MAC_CHMAP_COUNT; idx++) { - SBMAC_WRITECSR(port,0); + __raw_writeq(0, port); port += sizeof(uint64_t); } - + /* * Program the hardware address. It goes into the hardware-address * register as well as the first filter register. */ - + reg = sbmac_addr2reg(s->sbm_hwaddr); - + port = s->sbm_base + R_MAC_ADDR_BASE; - SBMAC_WRITECSR(port,reg); + __raw_writeq(reg, port); port = s->sbm_base + R_MAC_ETHERNET_ADDR; #ifdef CONFIG_SB1_PASS_1_WORKAROUNDS @@ -1573,108 +1549,105 @@ static void sbmac_channel_start(struct sbmac_softc *s) * destination address in the R_MAC_ETHERNET_ADDR register. * Set the value to zero. */ - SBMAC_WRITECSR(port,0); + __raw_writeq(0, port); #else - SBMAC_WRITECSR(port,reg); + __raw_writeq(reg, port); #endif - + /* * Set the receive filter for no packets, and write values * to the various config registers */ - - SBMAC_WRITECSR(s->sbm_rxfilter,0); - SBMAC_WRITECSR(s->sbm_imr,0); - SBMAC_WRITECSR(s->sbm_framecfg,framecfg); - SBMAC_WRITECSR(s->sbm_fifocfg,fifo); - SBMAC_WRITECSR(s->sbm_maccfg,cfg); - + + __raw_writeq(0, s->sbm_rxfilter); + __raw_writeq(0, s->sbm_imr); + __raw_writeq(framecfg, s->sbm_framecfg); + __raw_writeq(fifo, s->sbm_fifocfg); + __raw_writeq(cfg, s->sbm_maccfg); + /* * Initialize DMA channels (rings should be ok now) */ - + sbdma_channel_start(&(s->sbm_rxdma), DMA_RX); sbdma_channel_start(&(s->sbm_txdma), DMA_TX); - + /* * Configure the speed, duplex, and flow control */ sbmac_set_speed(s,s->sbm_speed); sbmac_set_duplex(s,s->sbm_duplex,s->sbm_fc); - + /* * Fill the receive ring */ - + sbdma_fillring(&(s->sbm_rxdma)); - - /* + + /* * Turn on the rest of the bits in the enable register - */ - - SBMAC_WRITECSR(s->sbm_macenable, - M_MAC_RXDMA_EN0 | + */ + + __raw_writeq(M_MAC_RXDMA_EN0 | M_MAC_TXDMA_EN0 | M_MAC_RX_ENABLE | - M_MAC_TX_ENABLE); - - + M_MAC_TX_ENABLE, s->sbm_macenable); + + #ifdef CONFIG_SBMAC_COALESCE /* * Accept any TX interrupt and EOP count/timer RX interrupts on ch 0 */ - SBMAC_WRITECSR(s->sbm_imr, - ((M_MAC_INT_EOP_COUNT | M_MAC_INT_EOP_TIMER) << S_MAC_TX_CH0) | - ((M_MAC_INT_EOP_COUNT | M_MAC_INT_EOP_TIMER) << S_MAC_RX_CH0)); + __raw_writeq(((M_MAC_INT_EOP_COUNT | M_MAC_INT_EOP_TIMER) << S_MAC_TX_CH0) | + ((M_MAC_INT_EOP_COUNT | M_MAC_INT_EOP_TIMER) << S_MAC_RX_CH0), s->sbm_imr); #else /* * Accept any kind of interrupt on TX and RX DMA channel 0 */ - SBMAC_WRITECSR(s->sbm_imr, - (M_MAC_INT_CHANNEL << S_MAC_TX_CH0) | - (M_MAC_INT_CHANNEL << S_MAC_RX_CH0)); + __raw_writeq((M_MAC_INT_CHANNEL << S_MAC_TX_CH0) | + (M_MAC_INT_CHANNEL << S_MAC_RX_CH0), s->sbm_imr); #endif - - /* - * Enable receiving unicasts and broadcasts + + /* + * Enable receiving unicasts and broadcasts */ - - SBMAC_WRITECSR(s->sbm_rxfilter,M_MAC_UCAST_EN | M_MAC_BCAST_EN); - + + __raw_writeq(M_MAC_UCAST_EN | M_MAC_BCAST_EN, s->sbm_rxfilter); + /* - * we're running now. + * we're running now. */ - + s->sbm_state = sbmac_state_on; - - /* - * Program multicast addresses + + /* + * Program multicast addresses */ - + sbmac_setmulti(s); - - /* - * If channel was in promiscuous mode before, turn that on + + /* + * If channel was in promiscuous mode before, turn that on */ - + if (s->sbm_devflags & IFF_PROMISC) { sbmac_promiscuous_mode(s,1); } - + } /********************************************************************** * SBMAC_CHANNEL_STOP(s) - * + * * Stop packet processing on this MAC. - * - * Input parameters: + * + * Input parameters: * s - sbmac structure - * + * * Return value: * nothing ********************************************************************* */ @@ -1682,49 +1655,49 @@ static void sbmac_channel_start(struct sbmac_softc *s) static void sbmac_channel_stop(struct sbmac_softc *s) { /* don't do this if already stopped */ - + if (s->sbm_state == sbmac_state_off) return; - + /* don't accept any packets, disable all interrupts */ - - SBMAC_WRITECSR(s->sbm_rxfilter,0); - SBMAC_WRITECSR(s->sbm_imr,0); - + + __raw_writeq(0, s->sbm_rxfilter); + __raw_writeq(0, s->sbm_imr); + /* Turn off ticker */ - + /* XXX */ - + /* turn off receiver and transmitter */ - - SBMAC_WRITECSR(s->sbm_macenable,0); - + + __raw_writeq(0, s->sbm_macenable); + /* We're stopped now. */ - + s->sbm_state = sbmac_state_off; - + /* * Stop DMA channels (rings should be ok now) */ - + sbdma_channel_stop(&(s->sbm_rxdma)); sbdma_channel_stop(&(s->sbm_txdma)); - + /* Empty the receive and transmit rings */ - + sbdma_emptyring(&(s->sbm_rxdma)); sbdma_emptyring(&(s->sbm_txdma)); - + } /********************************************************************** * SBMAC_SET_CHANNEL_STATE(state) - * + * * Set the channel's state ON or OFF - * - * Input parameters: + * + * Input parameters: * state - new state - * + * * Return value: * old state ********************************************************************* */ @@ -1732,43 +1705,43 @@ static sbmac_state_t sbmac_set_channel_state(struct sbmac_softc *sc, sbmac_state_t state) { sbmac_state_t oldstate = sc->sbm_state; - + /* * If same as previous state, return */ - + if (state == oldstate) { return oldstate; } - + /* - * If new state is ON, turn channel on + * If new state is ON, turn channel on */ - + if (state == sbmac_state_on) { sbmac_channel_start(sc); } else { sbmac_channel_stop(sc); } - + /* * Return previous state */ - + return oldstate; } /********************************************************************** * SBMAC_PROMISCUOUS_MODE(sc,onoff) - * + * * Turn on or off promiscuous mode - * - * Input parameters: + * + * Input parameters: * sc - softc * onoff - 1 to turn on, 0 to turn off - * + * * Return value: * nothing ********************************************************************* */ @@ -1776,30 +1749,30 @@ static sbmac_state_t sbmac_set_channel_state(struct sbmac_softc *sc, static void sbmac_promiscuous_mode(struct sbmac_softc *sc,int onoff) { uint64_t reg; - + if (sc->sbm_state != sbmac_state_on) return; - + if (onoff) { - reg = SBMAC_READCSR(sc->sbm_rxfilter); + reg = __raw_readq(sc->sbm_rxfilter); reg |= M_MAC_ALLPKT_EN; - SBMAC_WRITECSR(sc->sbm_rxfilter,reg); - } + __raw_writeq(reg, sc->sbm_rxfilter); + } else { - reg = SBMAC_READCSR(sc->sbm_rxfilter); + reg = __raw_readq(sc->sbm_rxfilter); reg &= ~M_MAC_ALLPKT_EN; - SBMAC_WRITECSR(sc->sbm_rxfilter,reg); + __raw_writeq(reg, sc->sbm_rxfilter); } } /********************************************************************** * SBMAC_SETIPHDR_OFFSET(sc,onoff) - * + * * Set the iphdr offset as 15 assuming ethernet encapsulation - * - * Input parameters: + * + * Input parameters: * sc - softc - * + * * Return value: * nothing ********************************************************************* */ @@ -1807,12 +1780,12 @@ static void sbmac_promiscuous_mode(struct sbmac_softc *sc,int onoff) static void sbmac_set_iphdr_offset(struct sbmac_softc *sc) { uint64_t reg; - + /* Hard code the off set to 15 for now */ - reg = SBMAC_READCSR(sc->sbm_rxfilter); + reg = __raw_readq(sc->sbm_rxfilter); reg &= ~M_MAC_IPHDR_OFFSET | V_MAC_IPHDR_OFFSET(15); - SBMAC_WRITECSR(sc->sbm_rxfilter,reg); - + __raw_writeq(reg, sc->sbm_rxfilter); + /* read system identification to determine revision */ if (periph_rev >= 2) { sc->rx_hw_checksum = ENABLE; @@ -1824,13 +1797,13 @@ static void sbmac_set_iphdr_offset(struct sbmac_softc *sc) /********************************************************************** * SBMAC_ADDR2REG(ptr) - * + * * Convert six bytes into the 64-bit register value that * we typically write into the SBMAC's address/mcast registers - * - * Input parameters: + * + * Input parameters: * ptr - pointer to 6 bytes - * + * * Return value: * register value ********************************************************************* */ @@ -1838,35 +1811,35 @@ static void sbmac_set_iphdr_offset(struct sbmac_softc *sc) static uint64_t sbmac_addr2reg(unsigned char *ptr) { uint64_t reg = 0; - + ptr += 6; - - reg |= (uint64_t) *(--ptr); + + reg |= (uint64_t) *(--ptr); reg <<= 8; - reg |= (uint64_t) *(--ptr); + reg |= (uint64_t) *(--ptr); reg <<= 8; - reg |= (uint64_t) *(--ptr); + reg |= (uint64_t) *(--ptr); reg <<= 8; - reg |= (uint64_t) *(--ptr); + reg |= (uint64_t) *(--ptr); reg <<= 8; - reg |= (uint64_t) *(--ptr); + reg |= (uint64_t) *(--ptr); reg <<= 8; - reg |= (uint64_t) *(--ptr); - + reg |= (uint64_t) *(--ptr); + return reg; } /********************************************************************** * SBMAC_SET_SPEED(s,speed) - * + * * Configure LAN speed for the specified MAC. * Warning: must be called when MAC is off! - * - * Input parameters: + * + * Input parameters: * s - sbmac structure * speed - speed to set MAC to (see sbmac_speed_t enum) - * + * * Return value: * 1 if successful * 0 indicates invalid parameters @@ -1880,31 +1853,31 @@ static int sbmac_set_speed(struct sbmac_softc *s,sbmac_speed_t speed) /* * Save new current values */ - + s->sbm_speed = speed; - + if (s->sbm_state == sbmac_state_on) return 0; /* save for next restart */ /* - * Read current register values + * Read current register values */ - - cfg = SBMAC_READCSR(s->sbm_maccfg); - framecfg = SBMAC_READCSR(s->sbm_framecfg); - + + cfg = __raw_readq(s->sbm_maccfg); + framecfg = __raw_readq(s->sbm_framecfg); + /* * Mask out the stuff we want to change */ - + cfg &= ~(M_MAC_BURST_EN | M_MAC_SPEED_SEL); framecfg &= ~(M_MAC_IFG_RX | M_MAC_IFG_TX | M_MAC_IFG_THRSH | M_MAC_SLOT_SIZE); - + /* * Now add in the new bits */ - + switch (speed) { case sbmac_speed_10: framecfg |= V_MAC_IFG_RX_10 | @@ -1913,7 +1886,7 @@ static int sbmac_set_speed(struct sbmac_softc *s,sbmac_speed_t speed) V_MAC_SLOT_SIZE_10; cfg |= V_MAC_SPEED_SEL_10MBPS; break; - + case sbmac_speed_100: framecfg |= V_MAC_IFG_RX_100 | V_MAC_IFG_TX_100 | @@ -1921,7 +1894,7 @@ static int sbmac_set_speed(struct sbmac_softc *s,sbmac_speed_t speed) V_MAC_SLOT_SIZE_100; cfg |= V_MAC_SPEED_SEL_100MBPS ; break; - + case sbmac_speed_1000: framecfg |= V_MAC_IFG_RX_1000 | V_MAC_IFG_TX_1000 | @@ -1929,34 +1902,34 @@ static int sbmac_set_speed(struct sbmac_softc *s,sbmac_speed_t speed) V_MAC_SLOT_SIZE_1000; cfg |= V_MAC_SPEED_SEL_1000MBPS | M_MAC_BURST_EN; break; - + case sbmac_speed_auto: /* XXX not implemented */ /* fall through */ default: return 0; } - + /* - * Send the bits back to the hardware + * Send the bits back to the hardware */ - - SBMAC_WRITECSR(s->sbm_framecfg,framecfg); - SBMAC_WRITECSR(s->sbm_maccfg,cfg); - + + __raw_writeq(framecfg, s->sbm_framecfg); + __raw_writeq(cfg, s->sbm_maccfg); + return 1; } /********************************************************************** * SBMAC_SET_DUPLEX(s,duplex,fc) - * + * * Set Ethernet duplex and flow control options for this MAC * Warning: must be called when MAC is off! - * - * Input parameters: + * + * Input parameters: * s - sbmac structure * duplex - duplex setting (see sbmac_duplex_t) * fc - flow control setting (see sbmac_fc_t) - * + * * Return value: * 1 if ok * 0 if an invalid parameter combination was specified @@ -1965,67 +1938,67 @@ static int sbmac_set_speed(struct sbmac_softc *s,sbmac_speed_t speed) static int sbmac_set_duplex(struct sbmac_softc *s,sbmac_duplex_t duplex,sbmac_fc_t fc) { uint64_t cfg; - + /* * Save new current values */ - + s->sbm_duplex = duplex; s->sbm_fc = fc; - + if (s->sbm_state == sbmac_state_on) return 0; /* save for next restart */ - + /* - * Read current register values + * Read current register values */ - - cfg = SBMAC_READCSR(s->sbm_maccfg); - + + cfg = __raw_readq(s->sbm_maccfg); + /* * Mask off the stuff we're about to change */ - + cfg &= ~(M_MAC_FC_SEL | M_MAC_FC_CMD | M_MAC_HDX_EN); - - + + switch (duplex) { case sbmac_duplex_half: switch (fc) { case sbmac_fc_disabled: cfg |= M_MAC_HDX_EN | V_MAC_FC_CMD_DISABLED; break; - + case sbmac_fc_collision: cfg |= M_MAC_HDX_EN | V_MAC_FC_CMD_ENABLED; break; - + case sbmac_fc_carrier: cfg |= M_MAC_HDX_EN | V_MAC_FC_CMD_ENAB_FALSECARR; break; - + case sbmac_fc_auto: /* XXX not implemented */ - /* fall through */ + /* fall through */ case sbmac_fc_frame: /* not valid in half duplex */ default: /* invalid selection */ return 0; } break; - + case sbmac_duplex_full: switch (fc) { case sbmac_fc_disabled: cfg |= V_MAC_FC_CMD_DISABLED; break; - + case sbmac_fc_frame: cfg |= V_MAC_FC_CMD_ENABLED; break; - + case sbmac_fc_collision: /* not valid in full duplex */ case sbmac_fc_carrier: /* not valid in full duplex */ case sbmac_fc_auto: /* XXX not implemented */ - /* fall through */ + /* fall through */ default: return 0; } @@ -2034,13 +2007,13 @@ static int sbmac_set_duplex(struct sbmac_softc *s,sbmac_duplex_t duplex,sbmac_fc /* XXX not implemented */ break; } - + /* - * Send the bits back to the hardware + * Send the bits back to the hardware */ - - SBMAC_WRITECSR(s->sbm_maccfg,cfg); - + + __raw_writeq(cfg, s->sbm_maccfg); + return 1; } @@ -2049,12 +2022,12 @@ static int sbmac_set_duplex(struct sbmac_softc *s,sbmac_duplex_t duplex,sbmac_fc /********************************************************************** * SBMAC_INTR() - * + * * Interrupt handler for MAC interrupts - * - * Input parameters: + * + * Input parameters: * MAC structure - * + * * Return value: * nothing ********************************************************************* */ @@ -2066,27 +2039,27 @@ static irqreturn_t sbmac_intr(int irq,void *dev_instance,struct pt_regs *rgs) int handled = 0; for (;;) { - + /* * Read the ISR (this clears the bits in the real * register, except for counter addr) */ - - isr = SBMAC_READCSR(sc->sbm_isr) & ~M_MAC_COUNTER_ADDR; - + + isr = __raw_readq(sc->sbm_isr) & ~M_MAC_COUNTER_ADDR; + if (isr == 0) break; handled = 1; - + /* * Transmits on channel 0 */ - + if (isr & (M_MAC_INT_CHANNEL << S_MAC_TX_CH0)) { sbdma_tx_process(sc,&(sc->sbm_txdma)); } - + /* * Receives on channel 0 */ @@ -2106,8 +2079,8 @@ static irqreturn_t sbmac_intr(int irq,void *dev_instance,struct pt_regs *rgs) * EOP_SEEN here takes care of this case. * (EOP_SEEN is part of M_MAC_INT_CHANNEL << S_MAC_RX_CH0) */ - - + + if (isr & (M_MAC_INT_CHANNEL << S_MAC_RX_CH0)) { sbdma_rx_process(sc,&(sc->sbm_rxdma)); } @@ -2118,29 +2091,29 @@ static irqreturn_t sbmac_intr(int irq,void *dev_instance,struct pt_regs *rgs) /********************************************************************** * SBMAC_START_TX(skb,dev) - * - * Start output on the specified interface. Basically, we + * + * Start output on the specified interface. Basically, we * queue as many buffers as we can until the ring fills up, or * we run off the end of the queue, whichever comes first. - * - * Input parameters: - * - * + * + * Input parameters: + * + * * Return value: * nothing ********************************************************************* */ static int sbmac_start_tx(struct sk_buff *skb, struct net_device *dev) { struct sbmac_softc *sc = netdev_priv(dev); - + /* lock eth irq */ spin_lock_irq (&sc->sbm_lock); - + /* - * Put the buffer on the transmit ring. If we + * Put the buffer on the transmit ring. If we * don't have room, stop the queue. */ - + if (sbdma_add_txbuffer(&(sc->sbm_txdma),skb)) { /* XXX save skb that we could not send */ netif_stop_queue(dev); @@ -2148,24 +2121,24 @@ static int sbmac_start_tx(struct sk_buff *skb, struct net_device *dev) return 1; } - + dev->trans_start = jiffies; - + spin_unlock_irq (&sc->sbm_lock); - + return 0; } /********************************************************************** * SBMAC_SETMULTI(sc) - * + * * Reprogram the multicast table into the hardware, given * the list of multicasts associated with the interface * structure. - * - * Input parameters: + * + * Input parameters: * sc - softc - * + * * Return value: * nothing ********************************************************************* */ @@ -2173,75 +2146,75 @@ static int sbmac_start_tx(struct sk_buff *skb, struct net_device *dev) static void sbmac_setmulti(struct sbmac_softc *sc) { uint64_t reg; - sbmac_port_t port; + volatile void __iomem *port; int idx; struct dev_mc_list *mclist; struct net_device *dev = sc->sbm_dev; - - /* + + /* * Clear out entire multicast table. We do this by nuking * the entire hash table and all the direct matches except - * the first one, which is used for our station address + * the first one, which is used for our station address */ - + for (idx = 1; idx < MAC_ADDR_COUNT; idx++) { port = sc->sbm_base + R_MAC_ADDR_BASE+(idx*sizeof(uint64_t)); - SBMAC_WRITECSR(port,0); + __raw_writeq(0, port); } - + for (idx = 0; idx < MAC_HASH_COUNT; idx++) { port = sc->sbm_base + R_MAC_HASH_BASE+(idx*sizeof(uint64_t)); - SBMAC_WRITECSR(port,0); + __raw_writeq(0, port); } - + /* * Clear the filter to say we don't want any multicasts. */ - - reg = SBMAC_READCSR(sc->sbm_rxfilter); + + reg = __raw_readq(sc->sbm_rxfilter); reg &= ~(M_MAC_MCAST_INV | M_MAC_MCAST_EN); - SBMAC_WRITECSR(sc->sbm_rxfilter,reg); - + __raw_writeq(reg, sc->sbm_rxfilter); + if (dev->flags & IFF_ALLMULTI) { - /* - * Enable ALL multicasts. Do this by inverting the - * multicast enable bit. + /* + * Enable ALL multicasts. Do this by inverting the + * multicast enable bit. */ - reg = SBMAC_READCSR(sc->sbm_rxfilter); + reg = __raw_readq(sc->sbm_rxfilter); reg |= (M_MAC_MCAST_INV | M_MAC_MCAST_EN); - SBMAC_WRITECSR(sc->sbm_rxfilter,reg); + __raw_writeq(reg, sc->sbm_rxfilter); return; } - - /* + + /* * Progam new multicast entries. For now, only use the * perfect filter. In the future we'll need to use the * hash filter if the perfect filter overflows */ - + /* XXX only using perfect filter for now, need to use hash * XXX if the table overflows */ - + idx = 1; /* skip station address */ mclist = dev->mc_list; while (mclist && (idx < MAC_ADDR_COUNT)) { reg = sbmac_addr2reg(mclist->dmi_addr); port = sc->sbm_base + R_MAC_ADDR_BASE+(idx * sizeof(uint64_t)); - SBMAC_WRITECSR(port,reg); + __raw_writeq(reg, port); idx++; mclist = mclist->next; } - - /* + + /* * Enable the "accept multicast bits" if we programmed at least one - * multicast. + * multicast. */ - + if (idx > 1) { - reg = SBMAC_READCSR(sc->sbm_rxfilter); + reg = __raw_readq(sc->sbm_rxfilter); reg |= M_MAC_MCAST_EN; - SBMAC_WRITECSR(sc->sbm_rxfilter,reg); + __raw_writeq(reg, sc->sbm_rxfilter); } } @@ -2250,12 +2223,12 @@ static void sbmac_setmulti(struct sbmac_softc *sc) #if defined(SBMAC_ETH0_HWADDR) || defined(SBMAC_ETH1_HWADDR) || defined(SBMAC_ETH2_HWADDR) /********************************************************************** * SBMAC_PARSE_XDIGIT(str) - * + * * Parse a hex digit, returning its value - * - * Input parameters: + * + * Input parameters: * str - character - * + * * Return value: * hex value, or -1 if invalid ********************************************************************* */ @@ -2263,7 +2236,7 @@ static void sbmac_setmulti(struct sbmac_softc *sc) static int sbmac_parse_xdigit(char str) { int digit; - + if ((str >= '0') && (str <= '9')) digit = str - '0'; else if ((str >= 'a') && (str <= 'f')) @@ -2272,20 +2245,20 @@ static int sbmac_parse_xdigit(char str) digit = str - 'A' + 10; else return -1; - + return digit; } /********************************************************************** * SBMAC_PARSE_HWADDR(str,hwaddr) - * + * * Convert a string in the form xx:xx:xx:xx:xx:xx into a 6-byte * Ethernet address. - * - * Input parameters: + * + * Input parameters: * str - string * hwaddr - pointer to hardware address - * + * * Return value: * 0 if ok, else -1 ********************************************************************* */ @@ -2294,7 +2267,7 @@ static int sbmac_parse_hwaddr(char *str, unsigned char *hwaddr) { int digit1,digit2; int idx = 6; - + while (*str && (idx > 0)) { digit1 = sbmac_parse_xdigit(*str); if (digit1 < 0) @@ -2302,7 +2275,7 @@ static int sbmac_parse_hwaddr(char *str, unsigned char *hwaddr) str++; if (!*str) return -1; - + if ((*str == ':') || (*str == '-')) { digit2 = digit1; digit1 = 0; @@ -2313,10 +2286,10 @@ static int sbmac_parse_hwaddr(char *str, unsigned char *hwaddr) return -1; str++; } - + *hwaddr++ = (digit1 << 4) | digit2; idx--; - + if (*str == '-') str++; if (*str == ':') @@ -2337,12 +2310,12 @@ static int sb1250_change_mtu(struct net_device *_dev, int new_mtu) /********************************************************************** * SBMAC_INIT(dev) - * + * * Attach routine - init hardware and hook ourselves into linux - * - * Input parameters: + * + * Input parameters: * dev - net_device structure - * + * * Return value: * status ********************************************************************* */ @@ -2354,53 +2327,53 @@ static int sbmac_init(struct net_device *dev, int idx) uint64_t ea_reg; int i; int err; - + sc = netdev_priv(dev); - + /* Determine controller base address */ - + sc->sbm_base = IOADDR(dev->base_addr); sc->sbm_dev = dev; sc->sbe_idx = idx; - + eaddr = sc->sbm_hwaddr; - - /* + + /* * Read the ethernet address. The firwmare left this programmed * for us in the ethernet address register for each mac. */ - - ea_reg = SBMAC_READCSR(sc->sbm_base + R_MAC_ETHERNET_ADDR); - SBMAC_WRITECSR(sc->sbm_base + R_MAC_ETHERNET_ADDR, 0); + + ea_reg = __raw_readq(sc->sbm_base + R_MAC_ETHERNET_ADDR); + __raw_writeq(0, sc->sbm_base + R_MAC_ETHERNET_ADDR); for (i = 0; i < 6; i++) { eaddr[i] = (uint8_t) (ea_reg & 0xFF); ea_reg >>= 8; } - + for (i = 0; i < 6; i++) { dev->dev_addr[i] = eaddr[i]; } - - + + /* - * Init packet size + * Init packet size */ - + sc->sbm_buffersize = ENET_PACKET_SIZE + SMP_CACHE_BYTES * 2 + ETHER_ALIGN; - /* + /* * Initialize context (get pointers to registers and stuff), then * allocate the memory for the descriptor tables. */ - + sbmac_initctx(sc); - + /* * Set up Linux device callins */ - + spin_lock_init(&(sc->sbm_lock)); - + dev->open = sbmac_open; dev->hard_start_xmit = sbmac_start_tx; dev->stop = sbmac_close; @@ -2419,7 +2392,7 @@ static int sbmac_init(struct net_device *dev, int idx) if (err) goto out_uninit; - if (periph_rev >= 2) { + if (sc->rx_hw_checksum == ENABLE) { printk(KERN_INFO "%s: enabling TCP rcv checksum\n", sc->sbm_dev->name); } @@ -2430,10 +2403,10 @@ static int sbmac_init(struct net_device *dev, int idx) * was being displayed) */ printk(KERN_INFO - "%s: SiByte Ethernet at 0x%08lX, address: %02X:%02X:%02X:%02X:%02X:%02X\n", + "%s: SiByte Ethernet at 0x%08lX, address: %02X:%02X:%02X:%02X:%02X:%02X\n", dev->name, dev->base_addr, eaddr[0],eaddr[1],eaddr[2],eaddr[3],eaddr[4],eaddr[5]); - + return 0; @@ -2447,54 +2420,86 @@ out_uninit: static int sbmac_open(struct net_device *dev) { struct sbmac_softc *sc = netdev_priv(dev); - + if (debug > 1) { printk(KERN_DEBUG "%s: sbmac_open() irq %d.\n", dev->name, dev->irq); } - - /* + + /* * map/route interrupt (clear status first, in case something * weird is pending; we haven't initialized the mac registers * yet) */ - SBMAC_READCSR(sc->sbm_isr); + __raw_readq(sc->sbm_isr); if (request_irq(dev->irq, &sbmac_intr, SA_SHIRQ, dev->name, dev)) return -EBUSY; /* - * Configure default speed + * Probe phy address + */ + + if(sbmac_mii_probe(dev) == -1) { + printk("%s: failed to probe PHY.\n", dev->name); + return -EINVAL; + } + + /* + * Configure default speed */ sbmac_mii_poll(sc,noisy_mii); - + /* * Turn on the channel */ sbmac_set_channel_state(sc,sbmac_state_on); - + /* * XXX Station address is in dev->dev_addr */ - + if (dev->if_port == 0) - dev->if_port = 0; - + dev->if_port = 0; + netif_start_queue(dev); - + sbmac_set_rx_mode(dev); - + /* Set the timer to check for link beat. */ init_timer(&sc->sbm_timer); sc->sbm_timer.expires = jiffies + 2 * HZ/100; sc->sbm_timer.data = (unsigned long)dev; sc->sbm_timer.function = &sbmac_timer; add_timer(&sc->sbm_timer); - + return 0; } +static int sbmac_mii_probe(struct net_device *dev) +{ + int i; + struct sbmac_softc *s = netdev_priv(dev); + u16 bmsr, id1, id2; + u32 vendor, device; + + for (i=1; i<31; i++) { + bmsr = sbmac_mii_read(s, i, MII_BMSR); + if (bmsr != 0) { + s->sbm_phys[0] = i; + id1 = sbmac_mii_read(s, i, MII_PHYIDR1); + id2 = sbmac_mii_read(s, i, MII_PHYIDR2); + vendor = ((u32)id1 << 6) | ((id2 >> 10) & 0x3f); + device = (id2 >> 4) & 0x3f; + + printk(KERN_INFO "%s: found phy %d, vendor %06x part %02x\n", + dev->name, i, vendor, device); + return i; + } + } + return -1; +} static int sbmac_mii_poll(struct sbmac_softc *s,int noisy) @@ -2609,20 +2614,20 @@ static void sbmac_timer(unsigned long data) int mii_status; spin_lock_irq (&sc->sbm_lock); - + /* make IFF_RUNNING follow the MII status bit "Link established" */ mii_status = sbmac_mii_read(sc, sc->sbm_phys[0], MII_BMSR); - + if ( (mii_status & BMSR_LINKSTAT) != (sc->sbm_phy_oldlinkstat) ) { sc->sbm_phy_oldlinkstat = mii_status & BMSR_LINKSTAT; if (mii_status & BMSR_LINKSTAT) { netif_carrier_on(dev); } else { - netif_carrier_off(dev); + netif_carrier_off(dev); } } - + /* * Poll the PHY to see what speed we should be running at */ @@ -2640,9 +2645,9 @@ static void sbmac_timer(unsigned long data) sbmac_channel_start(sc); } } - + spin_unlock_irq (&sc->sbm_lock); - + sc->sbm_timer.expires = jiffies + next_tick; add_timer(&sc->sbm_timer); } @@ -2651,13 +2656,13 @@ static void sbmac_timer(unsigned long data) static void sbmac_tx_timeout (struct net_device *dev) { struct sbmac_softc *sc = netdev_priv(dev); - + spin_lock_irq (&sc->sbm_lock); - - + + dev->trans_start = jiffies; sc->sbm_stats.tx_errors++; - + spin_unlock_irq (&sc->sbm_lock); printk (KERN_WARNING "%s: Transmit timed out\n",dev->name); @@ -2670,13 +2675,13 @@ static struct net_device_stats *sbmac_get_stats(struct net_device *dev) { struct sbmac_softc *sc = netdev_priv(dev); unsigned long flags; - + spin_lock_irqsave(&sc->sbm_lock, flags); - + /* XXX update other stats here */ - + spin_unlock_irqrestore(&sc->sbm_lock, flags); - + return &sc->sbm_stats; } @@ -2693,8 +2698,8 @@ static void sbmac_set_rx_mode(struct net_device *dev) /* * Promiscuous changed. */ - - if (dev->flags & IFF_PROMISC) { + + if (dev->flags & IFF_PROMISC) { /* Unconditionally log net taps. */ msg_flag = 1; sbmac_promiscuous_mode(sc,1); @@ -2705,18 +2710,18 @@ static void sbmac_set_rx_mode(struct net_device *dev) } } spin_unlock_irqrestore(&sc->sbm_lock, flags); - + if (msg_flag) { printk(KERN_NOTICE "%s: Promiscuous mode %sabled.\n", dev->name,(msg_flag==1)?"en":"dis"); } - + /* * Program the multicasts. Do this every time. */ - + sbmac_setmulti(sc); - + } static int sbmac_mii_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) @@ -2725,10 +2730,10 @@ static int sbmac_mii_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) u16 *data = (u16 *)&rq->ifr_ifru; unsigned long flags; int retval; - + spin_lock_irqsave(&sc->sbm_lock, flags); retval = 0; - + switch(cmd) { case SIOCDEVPRIVATE: /* Get the address of the PHY in use. */ data[0] = sc->sbm_phys[0] & 0x1f; @@ -2750,7 +2755,7 @@ static int sbmac_mii_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) default: retval = -EOPNOTSUPP; } - + spin_unlock_irqrestore(&sc->sbm_lock, flags); return retval; } @@ -2781,7 +2786,7 @@ static int sbmac_close(struct net_device *dev) sbdma_emptyring(&(sc->sbm_txdma)); sbdma_emptyring(&(sc->sbm_rxdma)); - + return 0; } @@ -2793,13 +2798,13 @@ sbmac_setup_hwaddr(int chan,char *addr) { uint8_t eaddr[6]; uint64_t val; - sbmac_port_t port; + unsigned long port; port = A_MAC_CHANNEL_BASE(chan); sbmac_parse_hwaddr(addr,eaddr); val = sbmac_addr2reg(eaddr); - SBMAC_WRITECSR(IOADDR(port+R_MAC_ETHERNET_ADDR),val); - val = SBMAC_READCSR(IOADDR(port+R_MAC_ETHERNET_ADDR)); + __raw_writeq(val, IOADDR(port+R_MAC_ETHERNET_ADDR)); + val = __raw_readq(IOADDR(port+R_MAC_ETHERNET_ADDR)); } #endif @@ -2810,9 +2815,9 @@ sbmac_init_module(void) { int idx; struct net_device *dev; - sbmac_port_t port; + unsigned long port; int chip_max_units; - + /* * For bringup when not using the firmware, we can pre-fill * the MAC addresses using the environment variables @@ -2858,13 +2863,13 @@ sbmac_init_module(void) port = A_MAC_CHANNEL_BASE(idx); - /* + /* * The R_MAC_ETHERNET_ADDR register will be set to some nonzero * value for us by the firmware if we're going to use this MAC. * If we find a zero, skip this MAC. */ - sbmac_orig_hwaddr[idx] = SBMAC_READCSR(IOADDR(port+R_MAC_ETHERNET_ADDR)); + sbmac_orig_hwaddr[idx] = __raw_readq(IOADDR(port+R_MAC_ETHERNET_ADDR)); if (sbmac_orig_hwaddr[idx] == 0) { printk(KERN_DEBUG "sbmac: not configuring MAC at " "%lx\n", port); @@ -2876,7 +2881,7 @@ sbmac_init_module(void) */ dev = alloc_etherdev(sizeof(struct sbmac_softc)); - if (!dev) + if (!dev) return -ENOMEM; /* return ENOMEM */ printk(KERN_DEBUG "sbmac: configuring MAC at %lx\n", port); @@ -2886,8 +2891,7 @@ sbmac_init_module(void) dev->mem_end = 0; if (sbmac_init(dev, idx)) { port = A_MAC_CHANNEL_BASE(idx); - SBMAC_WRITECSR(IOADDR(port+R_MAC_ETHERNET_ADDR), - sbmac_orig_hwaddr[idx]); + __raw_writeq(sbmac_orig_hwaddr[idx], IOADDR(port+R_MAC_ETHERNET_ADDR)); free_netdev(dev); continue; } diff --git a/drivers/net/sgiseeq.c b/drivers/net/sgiseeq.c index 9bc3b1c0dd6a..a4614df38a90 100644 --- a/drivers/net/sgiseeq.c +++ b/drivers/net/sgiseeq.c @@ -32,8 +32,6 @@ #include "sgiseeq.h" -static char *version = "sgiseeq.c: David S. Miller (dm@engr.sgi.com)\n"; - static char *sgiseeqstr = "SGI Seeq8003"; /* @@ -113,9 +111,9 @@ static struct net_device *root_sgiseeq_dev; static inline void hpc3_eth_reset(struct hpc3_ethregs *hregs) { - hregs->rx_reset = HPC3_ERXRST_CRESET | HPC3_ERXRST_CLRIRQ; + hregs->reset = HPC3_ERST_CRESET | HPC3_ERST_CLRIRQ; udelay(20); - hregs->rx_reset = 0; + hregs->reset = 0; } static inline void reset_hpc3_and_seeq(struct hpc3_ethregs *hregs, @@ -252,7 +250,6 @@ void sgiseeq_dump_rings(void) #define TSTAT_INIT_SEEQ (SEEQ_TCMD_IPT|SEEQ_TCMD_I16|SEEQ_TCMD_IC|SEEQ_TCMD_IUF) #define TSTAT_INIT_EDLC ((TSTAT_INIT_SEEQ) | SEEQ_TCMD_RB2) -#define RDMACFG_INIT (HPC3_ERXDCFG_FRXDC | HPC3_ERXDCFG_FEOP | HPC3_ERXDCFG_FIRQ) static int init_seeq(struct net_device *dev, struct sgiseeq_private *sp, struct sgiseeq_regs *sregs) @@ -274,8 +271,6 @@ static int init_seeq(struct net_device *dev, struct sgiseeq_private *sp, sregs->tstat = TSTAT_INIT_SEEQ; } - hregs->rx_dconfig |= RDMACFG_INIT; - hregs->rx_ndptr = CPHYSADDR(sp->rx_desc); hregs->tx_ndptr = CPHYSADDR(sp->tx_desc); @@ -446,7 +441,7 @@ static irqreturn_t sgiseeq_interrupt(int irq, void *dev_id, struct pt_regs *regs spin_lock(&sp->tx_lock); /* Ack the IRQ and set software state. */ - hregs->rx_reset = HPC3_ERXRST_CLRIRQ; + hregs->reset = HPC3_ERST_CLRIRQ; /* Always check for received packets. */ sgiseeq_rx(dev, sp, hregs, sregs); @@ -493,11 +488,13 @@ static int sgiseeq_close(struct net_device *dev) { struct sgiseeq_private *sp = netdev_priv(dev); struct sgiseeq_regs *sregs = sp->sregs; + unsigned int irq = dev->irq; netif_stop_queue(dev); /* Shutdown the Seeq. */ reset_hpc3_and_seeq(sp->hregs, sregs); + free_irq(irq, dev); return 0; } @@ -644,7 +641,7 @@ static inline void setup_rx_ring(struct sgiseeq_rx_desc *buf, int nbufs) #define ALIGNED(x) ((((unsigned long)(x)) + 0xf) & ~(0xf)) -static int sgiseeq_init(struct hpc3_regs* regs, int irq) +static int sgiseeq_init(struct hpc3_regs* hpcregs, int irq) { struct sgiseeq_init_block *sr; struct sgiseeq_private *sp; @@ -680,8 +677,8 @@ static int sgiseeq_init(struct hpc3_regs* regs, int irq) gpriv = sp; gdev = dev; #endif - sp->sregs = (struct sgiseeq_regs *) &hpc3c0->eth_ext[0]; - sp->hregs = &hpc3c0->ethregs; + sp->sregs = (struct sgiseeq_regs *) &hpcregs->eth_ext[0]; + sp->hregs = &hpcregs->ethregs; sp->name = sgiseeqstr; sp->mode = SEEQ_RCMD_RBCAST; @@ -698,6 +695,11 @@ static int sgiseeq_init(struct hpc3_regs* regs, int irq) setup_rx_ring(sp->rx_desc, SEEQ_RX_BUFFERS); setup_tx_ring(sp->tx_desc, SEEQ_TX_BUFFERS); + /* Setup PIO and DMA transfer timing */ + sp->hregs->pconfig = 0x161; + sp->hregs->dconfig = HPC3_EDCFG_FIRQ | HPC3_EDCFG_FEOP | + HPC3_EDCFG_FRXDC | HPC3_EDCFG_PTO | 0x026; + /* Reset the chip. */ hpc3_eth_reset(sp->hregs); @@ -724,7 +726,7 @@ static int sgiseeq_init(struct hpc3_regs* regs, int irq) goto err_out_free_page; } - printk(KERN_INFO "%s: SGI Seeq8003 ", dev->name); + printk(KERN_INFO "%s: %s ", dev->name, sgiseeqstr); for (i = 0; i < 6; i++) printk("%2.2x%c", dev->dev_addr[i], i == 5 ? '\n' : ':'); @@ -734,7 +736,7 @@ static int sgiseeq_init(struct hpc3_regs* regs, int irq) return 0; err_out_free_page: - free_page((unsigned long) sp); + free_page((unsigned long) sp->srings); err_out_free_dev: kfree(dev); @@ -744,8 +746,6 @@ err_out: static int __init sgiseeq_probe(void) { - printk(version); - /* On board adapter on 1st HPC is always present */ return sgiseeq_init(hpc3c0, SGI_ENET_IRQ); } @@ -754,15 +754,12 @@ static void __exit sgiseeq_exit(void) { struct net_device *next, *dev; struct sgiseeq_private *sp; - int irq; for (dev = root_sgiseeq_dev; dev; dev = next) { sp = (struct sgiseeq_private *) netdev_priv(dev); next = sp->next_module; - irq = dev->irq; unregister_netdev(dev); - free_irq(irq, dev); - free_page((unsigned long) sp); + free_page((unsigned long) sp->srings); free_netdev(dev); } } @@ -770,4 +767,6 @@ static void __exit sgiseeq_exit(void) module_init(sgiseeq_probe); module_exit(sgiseeq_exit); +MODULE_DESCRIPTION("SGI Seeq 8003 driver"); +MODULE_AUTHOR("Linux/MIPS Mailing List <linux-mips@linux-mips.org>"); MODULE_LICENSE("GPL"); diff --git a/drivers/net/sis190.c b/drivers/net/sis190.c index 92f75529eff8..478791e09bf7 100644 --- a/drivers/net/sis190.c +++ b/drivers/net/sis190.c @@ -842,7 +842,7 @@ static void sis190_set_rx_mode(struct net_device *dev) for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count; i++, mclist = mclist->next) { int bit_nr = - ether_crc(ETH_ALEN, mclist->dmi_addr) >> 26; + ether_crc(ETH_ALEN, mclist->dmi_addr) & 0x3f; mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31); rx_mode |= AcceptMulticast; } diff --git a/drivers/net/sis900.c b/drivers/net/sis900.c index 23b713c700b3..1d4d88680db1 100644 --- a/drivers/net/sis900.c +++ b/drivers/net/sis900.c @@ -1696,15 +1696,20 @@ static int sis900_rx(struct net_device *net_dev) long ioaddr = net_dev->base_addr; unsigned int entry = sis_priv->cur_rx % NUM_RX_DESC; u32 rx_status = sis_priv->rx_ring[entry].cmdsts; + int rx_work_limit; if (netif_msg_rx_status(sis_priv)) printk(KERN_DEBUG "sis900_rx, cur_rx:%4.4d, dirty_rx:%4.4d " "status:0x%8.8x\n", sis_priv->cur_rx, sis_priv->dirty_rx, rx_status); + rx_work_limit = sis_priv->dirty_rx + NUM_RX_DESC - sis_priv->cur_rx; while (rx_status & OWN) { unsigned int rx_size; + if (--rx_work_limit < 0) + break; + rx_size = (rx_status & DSIZE) - CRC_SIZE; if (rx_status & (ABORT|OVERRUN|TOOLONG|RUNT|RXISERR|CRCERR|FAERR)) { @@ -1732,9 +1737,11 @@ static int sis900_rx(struct net_device *net_dev) we are working on NULL sk_buff :-( */ if (sis_priv->rx_skbuff[entry] == NULL) { if (netif_msg_rx_err(sis_priv)) - printk(KERN_INFO "%s: NULL pointer " - "encountered in Rx ring, skipping\n", - net_dev->name); + printk(KERN_WARNING "%s: NULL pointer " + "encountered in Rx ring\n" + "cur_rx:%4.4d, dirty_rx:%4.4d\n", + net_dev->name, sis_priv->cur_rx, + sis_priv->dirty_rx); break; } @@ -1770,6 +1777,7 @@ static int sis900_rx(struct net_device *net_dev) sis_priv->rx_ring[entry].cmdsts = 0; sis_priv->rx_ring[entry].bufptr = 0; sis_priv->stats.rx_dropped++; + sis_priv->cur_rx++; break; } skb->dev = net_dev; @@ -1787,7 +1795,7 @@ static int sis900_rx(struct net_device *net_dev) /* refill the Rx buffer, what if the rate of refilling is slower * than consuming ?? */ - for (;sis_priv->cur_rx - sis_priv->dirty_rx > 0; sis_priv->dirty_rx++) { + for (; sis_priv->cur_rx != sis_priv->dirty_rx; sis_priv->dirty_rx++) { struct sk_buff *skb; entry = sis_priv->dirty_rx % NUM_RX_DESC; diff --git a/drivers/net/skfp/smt.c b/drivers/net/skfp/smt.c index f17c05cbe44b..99a776a51fb5 100644 --- a/drivers/net/skfp/smt.c +++ b/drivers/net/skfp/smt.c @@ -1896,7 +1896,7 @@ void smt_swap_para(struct smt_header *sm, int len, int direction) static void smt_string_swap(char *data, const char *format, int len) { - const char *open_paren = 0 ; + const char *open_paren = NULL ; int x ; while (len > 0 && *format) { diff --git a/drivers/net/skge.c b/drivers/net/skge.c index c2e6484ef138..572f121b1f4e 100644 --- a/drivers/net/skge.c +++ b/drivers/net/skge.c @@ -730,6 +730,7 @@ static struct ethtool_ops skge_ethtool_ops = { .phys_id = skge_phys_id, .get_stats_count = skge_get_stats_count, .get_ethtool_stats = skge_get_ethtool_stats, + .get_perm_addr = ethtool_op_get_perm_addr, }; /* @@ -3096,6 +3097,7 @@ static struct net_device *skge_devinit(struct skge_hw *hw, int port, /* read the mac address */ memcpy_fromio(dev->dev_addr, hw->regs + B2_MAC_1 + port*8, ETH_ALEN); + memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); /* device is off until link detection */ netif_carrier_off(dev); diff --git a/drivers/net/smc91x.c b/drivers/net/smc91x.c index 1438fdd20826..c573bb351d4c 100644 --- a/drivers/net/smc91x.c +++ b/drivers/net/smc91x.c @@ -1983,6 +1983,10 @@ static int __init smc_probe(struct net_device *dev, void __iomem *ioaddr) if (lp->version >= (CHIP_91100 << 4)) smc_phy_detect(dev); + /* then shut everything down to save power */ + smc_shutdown(dev); + smc_phy_powerdown(dev); + /* Set default parameters */ lp->msg_enable = NETIF_MSG_LINK; lp->ctl_rfduplx = 0; @@ -2291,11 +2295,11 @@ static int smc_drv_remove(struct device *dev) return 0; } -static int smc_drv_suspend(struct device *dev, pm_message_t state, u32 level) +static int smc_drv_suspend(struct device *dev, pm_message_t state) { struct net_device *ndev = dev_get_drvdata(dev); - if (ndev && level == SUSPEND_DISABLE) { + if (ndev) { if (netif_running(ndev)) { netif_device_detach(ndev); smc_shutdown(ndev); @@ -2305,12 +2309,12 @@ static int smc_drv_suspend(struct device *dev, pm_message_t state, u32 level) return 0; } -static int smc_drv_resume(struct device *dev, u32 level) +static int smc_drv_resume(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct net_device *ndev = dev_get_drvdata(dev); - if (ndev && level == RESUME_ENABLE) { + if (ndev) { struct smc_local *lp = netdev_priv(ndev); smc_enable_device(pdev); if (netif_running(ndev)) { diff --git a/drivers/net/smc91x.h b/drivers/net/smc91x.h index ac9ce6509eee..817f200742c3 100644 --- a/drivers/net/smc91x.h +++ b/drivers/net/smc91x.h @@ -230,12 +230,12 @@ SMC_outw(u16 val, void __iomem *ioaddr, int reg) #define SMC_CAN_USE_16BIT 1 #define SMC_CAN_USE_32BIT 0 -#define SMC_inb(a, r) inb((a) + (r) - 0xa0000000) -#define SMC_inw(a, r) inw((a) + (r) - 0xa0000000) -#define SMC_outb(v, a, r) outb(v, (a) + (r) - 0xa0000000) -#define SMC_outw(v, a, r) outw(v, (a) + (r) - 0xa0000000) -#define SMC_insw(a, r, p, l) insw((a) + (r) - 0xa0000000, p, l) -#define SMC_outsw(a, r, p, l) outsw((a) + (r) - 0xa0000000, p, l) +#define SMC_inb(a, r) inb((u32)a) + (r)) +#define SMC_inw(a, r) inw(((u32)a) + (r)) +#define SMC_outb(v, a, r) outb(v, ((u32)a) + (r)) +#define SMC_outw(v, a, r) outw(v, ((u32)a) + (r)) +#define SMC_insw(a, r, p, l) insw(((u32)a) + (r), p, l) +#define SMC_outsw(a, r, p, l) outsw(((u32)a) + (r), p, l) #define set_irq_type(irq, type) do {} while(0) diff --git a/drivers/net/starfire.c b/drivers/net/starfire.c index efdb179ecc8c..38b2b0a3ce96 100644 --- a/drivers/net/starfire.c +++ b/drivers/net/starfire.c @@ -1091,8 +1091,10 @@ static int netdev_open(struct net_device *dev) rx_ring_size = sizeof(struct starfire_rx_desc) * RX_RING_SIZE; np->queue_mem_size = tx_done_q_size + rx_done_q_size + tx_ring_size + rx_ring_size; np->queue_mem = pci_alloc_consistent(np->pci_dev, np->queue_mem_size, &np->queue_mem_dma); - if (np->queue_mem == 0) + if (np->queue_mem == NULL) { + free_irq(dev->irq, dev); return -ENOMEM; + } np->tx_done_q = np->queue_mem; np->tx_done_q_dma = np->queue_mem_dma; diff --git a/drivers/net/sunbmac.c b/drivers/net/sunbmac.c index f88f5e32b714..cfaf47c63c58 100644 --- a/drivers/net/sunbmac.c +++ b/drivers/net/sunbmac.c @@ -214,7 +214,8 @@ static void bigmac_init_rings(struct bigmac *bp, int from_irq) { struct bmac_init_block *bb = bp->bmac_block; struct net_device *dev = bp->dev; - int i, gfp_flags = GFP_KERNEL; + int i; + gfp_t gfp_flags = GFP_KERNEL; if (from_irq || in_interrupt()) gfp_flags = GFP_ATOMIC; diff --git a/drivers/net/sunbmac.h b/drivers/net/sunbmac.h index 5674003fc38a..b0dbc5187143 100644 --- a/drivers/net/sunbmac.h +++ b/drivers/net/sunbmac.h @@ -339,7 +339,7 @@ struct bigmac { #define ALIGNED_RX_SKB_ADDR(addr) \ ((((unsigned long)(addr) + (64 - 1)) & ~(64 - 1)) - (unsigned long)(addr)) -static inline struct sk_buff *big_mac_alloc_skb(unsigned int length, int gfp_flags) +static inline struct sk_buff *big_mac_alloc_skb(unsigned int length, gfp_t gfp_flags) { struct sk_buff *skb; diff --git a/drivers/net/sundance.c b/drivers/net/sundance.c index d500a5771dbc..0ab9c38b4a34 100644 --- a/drivers/net/sundance.c +++ b/drivers/net/sundance.c @@ -80,7 +80,7 @@ I/O access could affect performance in ARM-based system - Add Linux software VLAN support - Version LK1.08 (D-Link): + Version LK1.08 (Philippe De Muyter phdm@macqel.be): - Fix bug of custom mac address (StationAddr register only accept word write) @@ -91,11 +91,14 @@ Version LK1.09a (ICPlus): - Add the delay time in reading the contents of EEPROM + Version LK1.10 (Philippe De Muyter phdm@macqel.be): + - Make 'unblock interface after Tx underrun' work + */ #define DRV_NAME "sundance" -#define DRV_VERSION "1.01+LK1.09a" -#define DRV_RELDATE "10-Jul-2003" +#define DRV_VERSION "1.01+LK1.10" +#define DRV_RELDATE "28-Oct-2005" /* The user-configurable values. @@ -263,8 +266,10 @@ IV. Notes IVb. References The Sundance ST201 datasheet, preliminary version. -http://cesdis.gsfc.nasa.gov/linux/misc/100mbps.html -http://cesdis.gsfc.nasa.gov/linux/misc/NWay.html +The Kendin KS8723 datasheet, preliminary version. +The ICplus IP100 datasheet, preliminary version. +http://www.scyld.com/expert/100mbps.html +http://www.scyld.com/expert/NWay.html IVc. Errata @@ -500,6 +505,25 @@ static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); static int netdev_close(struct net_device *dev); static struct ethtool_ops ethtool_ops; +static void sundance_reset(struct net_device *dev, unsigned long reset_cmd) +{ + struct netdev_private *np = netdev_priv(dev); + void __iomem *ioaddr = np->base + ASICCtrl; + int countdown; + + /* ST201 documentation states ASICCtrl is a 32bit register */ + iowrite32 (reset_cmd | ioread32 (ioaddr), ioaddr); + /* ST201 documentation states reset can take up to 1 ms */ + countdown = 10 + 1; + while (ioread32 (ioaddr) & (ResetBusy << 16)) { + if (--countdown == 0) { + printk(KERN_WARNING "%s : reset not completed !!\n", dev->name); + break; + } + udelay(100); + } +} + static int __devinit sundance_probe1 (struct pci_dev *pdev, const struct pci_device_id *ent) { @@ -518,6 +542,7 @@ static int __devinit sundance_probe1 (struct pci_dev *pdev, #else int bar = 1; #endif + int phy, phy_idx = 0; /* when built into the kernel, we only print version if device is found */ @@ -549,6 +574,7 @@ static int __devinit sundance_probe1 (struct pci_dev *pdev, for (i = 0; i < 3; i++) ((u16 *)dev->dev_addr)[i] = le16_to_cpu(eeprom_read(ioaddr, i + EEPROM_SA_OFFSET)); + memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); dev->base_addr = (unsigned long)ioaddr; dev->irq = irq; @@ -605,33 +631,31 @@ static int __devinit sundance_probe1 (struct pci_dev *pdev, printk("%2.2x:", dev->dev_addr[i]); printk("%2.2x, IRQ %d.\n", dev->dev_addr[i], irq); - if (1) { - int phy, phy_idx = 0; - np->phys[0] = 1; /* Default setting */ - np->mii_preamble_required++; - for (phy = 1; phy < 32 && phy_idx < MII_CNT; phy++) { - int mii_status = mdio_read(dev, phy, MII_BMSR); - if (mii_status != 0xffff && mii_status != 0x0000) { - np->phys[phy_idx++] = phy; - np->mii_if.advertising = mdio_read(dev, phy, MII_ADVERTISE); - if ((mii_status & 0x0040) == 0) - np->mii_preamble_required++; - printk(KERN_INFO "%s: MII PHY found at address %d, status " - "0x%4.4x advertising %4.4x.\n", - dev->name, phy, mii_status, np->mii_if.advertising); - } - } - np->mii_preamble_required--; - - if (phy_idx == 0) { - printk(KERN_INFO "%s: No MII transceiver found, aborting. ASIC status %x\n", - dev->name, ioread32(ioaddr + ASICCtrl)); - goto err_out_unregister; + np->phys[0] = 1; /* Default setting */ + np->mii_preamble_required++; + for (phy = 1; phy <= 32 && phy_idx < MII_CNT; phy++) { + int mii_status = mdio_read(dev, phy, MII_BMSR); + int phyx = phy & 0x1f; + if (mii_status != 0xffff && mii_status != 0x0000) { + np->phys[phy_idx++] = phyx; + np->mii_if.advertising = mdio_read(dev, phyx, MII_ADVERTISE); + if ((mii_status & 0x0040) == 0) + np->mii_preamble_required++; + printk(KERN_INFO "%s: MII PHY found at address %d, status " + "0x%4.4x advertising %4.4x.\n", + dev->name, phyx, mii_status, np->mii_if.advertising); } + } + np->mii_preamble_required--; - np->mii_if.phy_id = np->phys[0]; + if (phy_idx == 0) { + printk(KERN_INFO "%s: No MII transceiver found, aborting. ASIC status %x\n", + dev->name, ioread32(ioaddr + ASICCtrl)); + goto err_out_unregister; } + np->mii_if.phy_id = np->phys[0]; + /* Parse override configuration */ np->an_enable = 1; if (card_idx < MAX_UNITS) { @@ -692,7 +716,7 @@ static int __devinit sundance_probe1 (struct pci_dev *pdev, /* Reset the chip to erase previous misconfiguration. */ if (netif_msg_hw(np)) printk("ASIC Control is %x.\n", ioread32(ioaddr + ASICCtrl)); - iowrite16(0x007f, ioaddr + ASICCtrl + 2); + iowrite16(0x00ff, ioaddr + ASICCtrl + 2); if (netif_msg_hw(np)) printk("ASIC Control is now %x.\n", ioread32(ioaddr + ASICCtrl)); @@ -1190,23 +1214,33 @@ static irqreturn_t intr_handler(int irq, void *dev_instance, struct pt_regs *rgs ("%s: Transmit status is %2.2x.\n", dev->name, tx_status); if (tx_status & 0x1e) { + if (netif_msg_tx_err(np)) + printk("%s: Transmit error status %4.4x.\n", + dev->name, tx_status); np->stats.tx_errors++; if (tx_status & 0x10) np->stats.tx_fifo_errors++; if (tx_status & 0x08) np->stats.collisions++; + if (tx_status & 0x04) + np->stats.tx_fifo_errors++; if (tx_status & 0x02) np->stats.tx_window_errors++; - /* This reset has not been verified!. */ - if (tx_status & 0x10) { /* Reset the Tx. */ - np->stats.tx_fifo_errors++; - spin_lock(&np->lock); - reset_tx(dev); - spin_unlock(&np->lock); + /* + ** This reset has been verified on + ** DFE-580TX boards ! phdm@macqel.be. + */ + if (tx_status & 0x10) { /* TxUnderrun */ + unsigned short txthreshold; + + txthreshold = ioread16 (ioaddr + TxStartThresh); + /* Restart Tx FIFO and transmitter */ + sundance_reset(dev, (NetworkReset|FIFOReset|TxReset) << 16); + iowrite16 (txthreshold, ioaddr + TxStartThresh); + /* No need to reset the Tx pointer here */ } - if (tx_status & 0x1e) /* Restart the Tx. */ - iowrite16 (TxEnable, - ioaddr + MACCtrl1); + /* Restart the Tx. */ + iowrite16 (TxEnable, ioaddr + MACCtrl1); } /* Yup, this is a documentation bug. It cost me *hours*. */ iowrite16 (0, ioaddr + TxStatus); @@ -1619,6 +1653,7 @@ static struct ethtool_ops ethtool_ops = { .get_link = get_link, .get_msglevel = get_msglevel, .set_msglevel = set_msglevel, + .get_perm_addr = ethtool_op_get_perm_addr, }; static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 1802c3b48799..1828a6bf8458 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -37,6 +37,7 @@ #include <linux/tcp.h> #include <linux/workqueue.h> #include <linux/prefetch.h> +#include <linux/dma-mapping.h> #include <net/checksum.h> @@ -67,8 +68,8 @@ #define DRV_MODULE_NAME "tg3" #define PFX DRV_MODULE_NAME ": " -#define DRV_MODULE_VERSION "3.42" -#define DRV_MODULE_RELDATE "Oct 3, 2005" +#define DRV_MODULE_VERSION "3.43" +#define DRV_MODULE_RELDATE "Oct 24, 2005" #define TG3_DEF_MAC_MODE 0 #define TG3_DEF_RX_MODE 0 @@ -219,6 +220,10 @@ static struct pci_device_id tg3_pci_tbl[] = { PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, + { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, + { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S, @@ -466,6 +471,15 @@ static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val) spin_unlock_irqrestore(&tp->indirect_lock, flags); } +static void tg3_write_mem_fast(struct tg3 *tp, u32 off, u32 val) +{ + /* If no workaround is needed, write to mem space directly */ + if (tp->write32 != tg3_write_indirect_reg32) + tw32(NIC_SRAM_WIN_BASE + off, val); + else + tg3_write_mem(tp, off, val); +} + static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val) { unsigned long flags; @@ -570,7 +584,7 @@ static void tg3_switch_clocks(struct tg3 *tp) u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL); u32 orig_clock_ctrl; - if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) + if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) return; orig_clock_ctrl = clock_ctrl; @@ -1210,7 +1224,7 @@ static int tg3_set_power_state(struct tg3 *tp, int state) CLOCK_CTRL_ALTCLK | CLOCK_CTRL_PWRDOWN_PLL133); udelay(40); - } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) { + } else if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) { /* do nothing */ } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) && (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) { @@ -3712,14 +3726,14 @@ static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp, dev->mtu = new_mtu; if (new_mtu > ETH_DATA_LEN) { - if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) { + if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) { tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE; ethtool_op_set_tso(dev, 0); } else tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE; } else { - if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) + if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE; tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE; } @@ -3850,7 +3864,7 @@ static void tg3_init_rings(struct tg3 *tp) memset(tp->tx_ring, 0, TG3_TX_RING_BYTES); tp->rx_pkt_buf_sz = RX_PKT_BUF_SZ; - if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) && + if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) && (tp->dev->mtu > ETH_DATA_LEN)) tp->rx_pkt_buf_sz = RX_JUMBO_PKT_BUF_SZ; @@ -3905,10 +3919,8 @@ static void tg3_init_rings(struct tg3 *tp) */ static void tg3_free_consistent(struct tg3 *tp) { - if (tp->rx_std_buffers) { - kfree(tp->rx_std_buffers); - tp->rx_std_buffers = NULL; - } + kfree(tp->rx_std_buffers); + tp->rx_std_buffers = NULL; if (tp->rx_std) { pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES, tp->rx_std, tp->rx_std_mapping); @@ -4347,7 +4359,7 @@ static int tg3_chip_reset(struct tg3 *tp) val &= ~PCIX_CAPS_RELAXED_ORDERING; pci_write_config_dword(tp->pdev, TG3PCI_X_CAPS, val); - if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) { + if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) { u32 val; /* Chip reset on 5780 will reset MSI enable bit, @@ -6003,7 +6015,7 @@ static int tg3_reset_hw(struct tg3 *tp) tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK); if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) && - (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5780)) + !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) limit = 8; else limit = 16; @@ -6191,14 +6203,16 @@ static void tg3_timer(unsigned long __opaque) tp->timer_counter = tp->timer_multiplier; } - /* Heartbeat is only sent once every 120 seconds. */ + /* Heartbeat is only sent once every 2 seconds. */ if (!--tp->asf_counter) { if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) { u32 val; - tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_ALIVE); - tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4); - tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 3); + tg3_write_mem_fast(tp, NIC_SRAM_FW_CMD_MBOX, + FWCMD_NICDRV_ALIVE2); + tg3_write_mem_fast(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4); + /* 5 seconds timeout */ + tg3_write_mem_fast(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 5); val = tr32(GRC_RX_CPU_EVENT); val |= (1 << 14); tw32(GRC_RX_CPU_EVENT, val); @@ -6409,7 +6423,7 @@ static int tg3_open(struct net_device *dev) tp->timer_counter = tp->timer_multiplier = (HZ / tp->timer_offset); tp->asf_counter = tp->asf_multiplier = - ((HZ / tp->timer_offset) * 120); + ((HZ / tp->timer_offset) * 2); init_timer(&tp->timer); tp->timer.expires = jiffies + tp->timer_offset; @@ -7237,7 +7251,7 @@ static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) cmd->supported |= (SUPPORTED_1000baseT_Half | SUPPORTED_1000baseT_Full); - if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) + if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) cmd->supported |= (SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | SUPPORTED_10baseT_Half | @@ -7264,7 +7278,7 @@ static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) { struct tg3 *tp = netdev_priv(dev); - if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) { + if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) { /* These are the only valid advertisement bits allowed. */ if (cmd->autoneg == AUTONEG_ENABLE && (cmd->advertising & ~(ADVERTISED_1000baseT_Half | @@ -7272,7 +7286,17 @@ static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) ADVERTISED_Autoneg | ADVERTISED_FIBRE))) return -EINVAL; - } + /* Fiber can only do SPEED_1000. */ + else if ((cmd->autoneg != AUTONEG_ENABLE) && + (cmd->speed != SPEED_1000)) + return -EINVAL; + /* Copper cannot force SPEED_1000. */ + } else if ((cmd->autoneg != AUTONEG_ENABLE) && + (cmd->speed == SPEED_1000)) + return -EINVAL; + else if ((cmd->speed == SPEED_1000) && + (tp->tg3_flags2 & TG3_FLAG_10_100_ONLY)) + return -EINVAL; tg3_full_lock(tp, 0); @@ -8380,7 +8404,7 @@ static void __devinit tg3_get_nvram_info(struct tg3 *tp) } if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) || - (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)) { + (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) { switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) { case FLASH_VENDOR_ATMEL_FLASH_BUFFERED: tp->nvram_jedecnum = JEDEC_ATMEL; @@ -8980,7 +9004,7 @@ static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp) tp->phy_id = eeprom_phy_id; if (eeprom_phy_serdes) { - if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) + if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) tp->tg3_flags2 |= TG3_FLG2_MII_SERDES; else tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES; @@ -9393,8 +9417,11 @@ static int __devinit tg3_get_invariants(struct tg3 *tp) } /* Find msi capability. */ - if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) + if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 || + GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) { + tp->tg3_flags2 |= TG3_FLG2_5780_CLASS; tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI); + } /* Initialize misc host control in PCI block. */ tp->misc_host_ctrl |= (misc_ctrl_reg & @@ -9412,7 +9439,7 @@ static int __devinit tg3_get_invariants(struct tg3 *tp) if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 || GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 || - GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) + (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) tp->tg3_flags2 |= TG3_FLG2_5750_PLUS; if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) || @@ -9607,7 +9634,7 @@ static int __devinit tg3_get_invariants(struct tg3 *tp) * ether_setup() via the alloc_etherdev() call */ if (tp->dev->mtu > ETH_DATA_LEN && - GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5780) + !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE; /* Determine WakeOnLan speed to use. */ @@ -9830,7 +9857,7 @@ static int __devinit tg3_get_device_address(struct tg3 *tp) mac_offset = 0x7c; if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 && !(tp->tg3_flags & TG3_FLG2_SUN_570X)) || - GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) { + (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) { if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID) mac_offset = 0xcc; if (tg3_nvram_lock(tp)) @@ -10148,6 +10175,9 @@ static int __devinit tg3_test_dma(struct tg3 *tp) } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) { /* 5780 always in PCIX mode */ tp->dma_rwctrl |= 0x00144000; + } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) { + /* 5714 always in PCIX mode */ + tp->dma_rwctrl |= 0x00148000; } else { tp->dma_rwctrl |= 0x001b000f; } @@ -10347,6 +10377,7 @@ static char * __devinit tg3_phy_string(struct tg3 *tp) case PHY_ID_BCM5705: return "5705"; case PHY_ID_BCM5750: return "5750"; case PHY_ID_BCM5752: return "5752"; + case PHY_ID_BCM5714: return "5714"; case PHY_ID_BCM5780: return "5780"; case PHY_ID_BCM8002: return "8002/serdes"; case 0: return "serdes"; @@ -10492,17 +10523,17 @@ static int __devinit tg3_init_one(struct pci_dev *pdev, } /* Configure DMA attributes. */ - err = pci_set_dma_mask(pdev, 0xffffffffffffffffULL); + err = pci_set_dma_mask(pdev, DMA_64BIT_MASK); if (!err) { pci_using_dac = 1; - err = pci_set_consistent_dma_mask(pdev, 0xffffffffffffffffULL); + err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK); if (err < 0) { printk(KERN_ERR PFX "Unable to obtain 64 bit DMA " "for consistent allocations\n"); goto err_out_free_res; } } else { - err = pci_set_dma_mask(pdev, 0xffffffffULL); + err = pci_set_dma_mask(pdev, DMA_32BIT_MASK); if (err) { printk(KERN_ERR PFX "No usable DMA configuration, " "aborting.\n"); diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h index 2e733c60bfa4..fb7e2a5f4a08 100644 --- a/drivers/net/tg3.h +++ b/drivers/net/tg3.h @@ -137,6 +137,7 @@ #define ASIC_REV_5750 0x04 #define ASIC_REV_5752 0x06 #define ASIC_REV_5780 0x08 +#define ASIC_REV_5714 0x09 #define GET_CHIP_REV(CHIP_REV_ID) ((CHIP_REV_ID) >> 8) #define CHIPREV_5700_AX 0x70 #define CHIPREV_5700_BX 0x71 @@ -531,6 +532,8 @@ #define MAC_SERDES_CFG_EDGE_SELECT 0x00001000 #define MAC_SERDES_STAT 0x00000594 /* 0x598 --> 0x5b0 unused */ +#define SERDES_RX_CTRL 0x000005b0 /* 5780/5714 only */ +#define SERDES_RX_SIG_DETECT 0x00000400 #define SG_DIG_CTRL 0x000005b0 #define SG_DIG_USING_HW_AUTONEG 0x80000000 #define SG_DIG_SOFT_RESET 0x40000000 @@ -1329,6 +1332,8 @@ #define GRC_LCLCTRL_CLEARINT 0x00000002 #define GRC_LCLCTRL_SETINT 0x00000004 #define GRC_LCLCTRL_INT_ON_ATTN 0x00000008 +#define GRC_LCLCTRL_USE_SIG_DETECT 0x00000010 /* 5714/5780 only */ +#define GRC_LCLCTRL_USE_EXT_SIG_DETECT 0x00000020 /* 5714/5780 only */ #define GRC_LCLCTRL_GPIO_INPUT3 0x00000020 #define GRC_LCLCTRL_GPIO_OE3 0x00000040 #define GRC_LCLCTRL_GPIO_OUTPUT3 0x00000080 @@ -1507,6 +1512,7 @@ #define FWCMD_NICDRV_IPV6ADDR_CHG 0x00000004 #define FWCMD_NICDRV_FIX_DMAR 0x00000005 #define FWCMD_NICDRV_FIX_DMAW 0x00000006 +#define FWCMD_NICDRV_ALIVE2 0x0000000d #define NIC_SRAM_FW_CMD_LEN_MBOX 0x00000b7c #define NIC_SRAM_FW_CMD_DATA_MBOX 0x00000b80 #define NIC_SRAM_FW_ASF_STATUS_MBOX 0x00000c00 @@ -2175,6 +2181,7 @@ struct tg3 { TG3_FLG2_MII_SERDES) #define TG3_FLG2_PARALLEL_DETECT 0x01000000 #define TG3_FLG2_ICH_WORKAROUND 0x02000000 +#define TG3_FLG2_5780_CLASS 0x04000000 u32 split_mode_max_reqs; #define SPLIT_MODE_5704_MAX_REQ 3 @@ -2222,6 +2229,7 @@ struct tg3 { #define PHY_ID_BCM5705 0x600081a0 #define PHY_ID_BCM5750 0x60008180 #define PHY_ID_BCM5752 0x60008100 +#define PHY_ID_BCM5714 0x60008340 #define PHY_ID_BCM5780 0x60008350 #define PHY_ID_BCM8002 0x60010140 #define PHY_ID_INVALID 0xffffffff @@ -2246,8 +2254,8 @@ struct tg3 { (X) == PHY_ID_BCM5411 || (X) == PHY_ID_BCM5701 || \ (X) == PHY_ID_BCM5703 || (X) == PHY_ID_BCM5704 || \ (X) == PHY_ID_BCM5705 || (X) == PHY_ID_BCM5750 || \ - (X) == PHY_ID_BCM5752 || (X) == PHY_ID_BCM5780 || \ - (X) == PHY_ID_BCM8002) + (X) == PHY_ID_BCM5752 || (X) == PHY_ID_BCM5714 || \ + (X) == PHY_ID_BCM5780 || (X) == PHY_ID_BCM8002) struct tg3_hw_stats *hw_stats; dma_addr_t stats_mapping; diff --git a/drivers/net/tokenring/ibmtr.c b/drivers/net/tokenring/ibmtr.c index 32057e65808b..9f491563944e 100644 --- a/drivers/net/tokenring/ibmtr.c +++ b/drivers/net/tokenring/ibmtr.c @@ -318,7 +318,7 @@ static void ibmtr_cleanup_card(struct net_device *dev) if (dev->base_addr) { outb(0,dev->base_addr+ADAPTRESET); - schedule_timeout(TR_RST_TIME); /* wait 50ms */ + schedule_timeout_uninterruptible(TR_RST_TIME); /* wait 50ms */ outb(0,dev->base_addr+ADAPTRESETREL); } @@ -854,8 +854,7 @@ static int tok_init_card(struct net_device *dev) writeb(~INT_ENABLE, ti->mmio + ACA_OFFSET + ACA_RESET + ISRP_EVEN); outb(0, PIOaddr + ADAPTRESET); - current->state=TASK_UNINTERRUPTIBLE; - schedule_timeout(TR_RST_TIME); /* wait 50ms */ + schedule_timeout_uninterruptible(TR_RST_TIME); /* wait 50ms */ outb(0, PIOaddr + ADAPTRESETREL); #ifdef ENABLE_PAGING @@ -903,8 +902,8 @@ static int tok_open(struct net_device *dev) DPRINTK("Adapter is up and running\n"); return 0; } - current->state=TASK_INTERRUPTIBLE; - i=schedule_timeout(TR_RETRY_INTERVAL); /* wait 30 seconds */ + i=schedule_timeout_interruptible(TR_RETRY_INTERVAL); + /* wait 30 seconds */ if(i!=0) break; /*prob. a signal, like the i>24*HZ case above */ } outb(0, dev->base_addr + ADAPTRESET);/* kill pending interrupts*/ diff --git a/drivers/net/tokenring/olympic.c b/drivers/net/tokenring/olympic.c index 9e7923192a49..05477d24fd49 100644 --- a/drivers/net/tokenring/olympic.c +++ b/drivers/net/tokenring/olympic.c @@ -1101,7 +1101,7 @@ static int olympic_close(struct net_device *dev) while(olympic_priv->srb_queued) { - t = schedule_timeout(60*HZ); + t = schedule_timeout_interruptible(60*HZ); if(signal_pending(current)) { printk(KERN_WARNING "%s: SRB timed out.\n",dev->name); diff --git a/drivers/net/tokenring/tms380tr.c b/drivers/net/tokenring/tms380tr.c index 2e39bf1f7462..c1925590a0e1 100644 --- a/drivers/net/tokenring/tms380tr.c +++ b/drivers/net/tokenring/tms380tr.c @@ -1243,8 +1243,7 @@ void tms380tr_wait(unsigned long time) tmp = jiffies + time/(1000000/HZ); do { - current->state = TASK_INTERRUPTIBLE; - tmp = schedule_timeout(tmp); + tmp = schedule_timeout_interruptible(tmp); } while(time_after(tmp, jiffies)); #else udelay(time); diff --git a/drivers/net/tulip/de2104x.c b/drivers/net/tulip/de2104x.c index a22d00198e4d..d7fb3ffe06ac 100644 --- a/drivers/net/tulip/de2104x.c +++ b/drivers/net/tulip/de2104x.c @@ -1787,10 +1787,15 @@ static void __init de21041_get_srom_info (struct de_private *de) /* DEC now has a specification but early board makers just put the address in the first EEPROM locations. */ /* This does memcmp(eedata, eedata+16, 8) */ + +#ifndef CONFIG_MIPS_COBALT + for (i = 0; i < 8; i ++) if (ee_data[i] != ee_data[16+i]) sa_offset = 20; +#endif + /* store MAC address */ for (i = 0; i < 6; i ++) de->dev->dev_addr[i] = ee_data[i + sa_offset]; @@ -2071,8 +2076,7 @@ static int __init de_init_one (struct pci_dev *pdev, return 0; err_out_iomap: - if (de->ee_data) - kfree(de->ee_data); + kfree(de->ee_data); iounmap(regs); err_out_res: pci_release_regions(pdev); @@ -2091,8 +2095,7 @@ static void __exit de_remove_one (struct pci_dev *pdev) if (!dev) BUG(); unregister_netdev(dev); - if (de->ee_data) - kfree(de->ee_data); + kfree(de->ee_data); iounmap(de->regs); pci_release_regions(pdev); pci_disable_device(pdev); diff --git a/drivers/net/tulip/tulip_core.c b/drivers/net/tulip/tulip_core.c index 6266a9a7e6e3..125ed00e95a5 100644 --- a/drivers/net/tulip/tulip_core.c +++ b/drivers/net/tulip/tulip_core.c @@ -1727,8 +1727,7 @@ err_out_free_ring: tp->rx_ring, tp->rx_ring_dma); err_out_mtable: - if (tp->mtable) - kfree (tp->mtable); + kfree (tp->mtable); pci_iounmap(pdev, ioaddr); err_out_free_res: @@ -1806,8 +1805,7 @@ static void __devexit tulip_remove_one (struct pci_dev *pdev) sizeof (struct tulip_rx_desc) * RX_RING_SIZE + sizeof (struct tulip_tx_desc) * TX_RING_SIZE, tp->rx_ring, tp->rx_ring_dma); - if (tp->mtable) - kfree (tp->mtable); + kfree (tp->mtable); pci_iounmap(pdev, tp->base_addr); free_netdev (dev); pci_release_regions (pdev); diff --git a/drivers/net/typhoon.c b/drivers/net/typhoon.c index ecfa6f8805ce..4c76cb794bfb 100644 --- a/drivers/net/typhoon.c +++ b/drivers/net/typhoon.c @@ -419,10 +419,9 @@ typhoon_reset(void __iomem *ioaddr, int wait_type) TYPHOON_STATUS_WAITING_FOR_HOST) goto out; - if(wait_type == WaitSleep) { - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(1); - } else + if(wait_type == WaitSleep) + schedule_timeout_uninterruptible(1); + else udelay(TYPHOON_UDELAY); } diff --git a/drivers/net/via-rhine.c b/drivers/net/via-rhine.c index fc7738ffbfff..241871589283 100644 --- a/drivers/net/via-rhine.c +++ b/drivers/net/via-rhine.c @@ -490,6 +490,8 @@ struct rhine_private { u8 tx_thresh, rx_thresh; struct mii_if_info mii_if; + struct work_struct tx_timeout_task; + struct work_struct check_media_task; void __iomem *base; }; @@ -497,6 +499,8 @@ static int mdio_read(struct net_device *dev, int phy_id, int location); static void mdio_write(struct net_device *dev, int phy_id, int location, int value); static int rhine_open(struct net_device *dev); static void rhine_tx_timeout(struct net_device *dev); +static void rhine_tx_timeout_task(struct net_device *dev); +static void rhine_check_media_task(struct net_device *dev); static int rhine_start_tx(struct sk_buff *skb, struct net_device *dev); static irqreturn_t rhine_interrupt(int irq, void *dev_instance, struct pt_regs *regs); static void rhine_tx(struct net_device *dev); @@ -814,8 +818,9 @@ static int __devinit rhine_init_one(struct pci_dev *pdev, for (i = 0; i < 6; i++) dev->dev_addr[i] = ioread8(ioaddr + StationAddr + i); + memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); - if (!is_valid_ether_addr(dev->dev_addr)) { + if (!is_valid_ether_addr(dev->perm_addr)) { rc = -EIO; printk(KERN_ERR "Invalid MAC address\n"); goto err_out_unmap; @@ -850,6 +855,12 @@ static int __devinit rhine_init_one(struct pci_dev *pdev, if (rp->quirks & rqRhineI) dev->features |= NETIF_F_SG|NETIF_F_HW_CSUM; + INIT_WORK(&rp->tx_timeout_task, + (void (*)(void *))rhine_tx_timeout_task, dev); + + INIT_WORK(&rp->check_media_task, + (void (*)(void *))rhine_check_media_task, dev); + /* dev->name not defined before register_netdev()! */ rc = register_netdev(dev); if (rc) @@ -1076,6 +1087,11 @@ static void rhine_check_media(struct net_device *dev, unsigned int init_media) ioaddr + ChipCmd1); } +static void rhine_check_media_task(struct net_device *dev) +{ + rhine_check_media(dev, 0); +} + static void init_registers(struct net_device *dev) { struct rhine_private *rp = netdev_priv(dev); @@ -1129,8 +1145,8 @@ static void rhine_disable_linkmon(void __iomem *ioaddr, u32 quirks) if (quirks & rqRhineI) { iowrite8(0x01, ioaddr + MIIRegAddr); // MII_BMSR - /* Can be called from ISR. Evil. */ - mdelay(1); + /* Do not call from ISR! */ + msleep(1); /* 0x80 must be set immediately before turning it off */ iowrite8(0x80, ioaddr + MIICmd); @@ -1220,6 +1236,16 @@ static int rhine_open(struct net_device *dev) static void rhine_tx_timeout(struct net_device *dev) { struct rhine_private *rp = netdev_priv(dev); + + /* + * Move bulk of work outside of interrupt context + */ + schedule_work(&rp->tx_timeout_task); +} + +static void rhine_tx_timeout_task(struct net_device *dev) +{ + struct rhine_private *rp = netdev_priv(dev); void __iomem *ioaddr = rp->base; printk(KERN_WARNING "%s: Transmit timed out, status %4.4x, PHY status " @@ -1625,7 +1651,7 @@ static void rhine_error(struct net_device *dev, int intr_status) spin_lock(&rp->lock); if (intr_status & IntrLinkChange) - rhine_check_media(dev, 0); + schedule_work(&rp->check_media_task); if (intr_status & IntrStatsMax) { rp->stats.rx_crc_errors += ioread16(ioaddr + RxCRCErrs); rp->stats.rx_missed_errors += ioread16(ioaddr + RxMissed); @@ -1829,6 +1855,7 @@ static struct ethtool_ops netdev_ethtool_ops = { .set_wol = rhine_set_wol, .get_sg = ethtool_op_get_sg, .get_tx_csum = ethtool_op_get_tx_csum, + .get_perm_addr = ethtool_op_get_perm_addr, }; static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) @@ -1872,6 +1899,9 @@ static int rhine_close(struct net_device *dev) spin_unlock_irq(&rp->lock); free_irq(rp->pdev->irq, dev); + + flush_scheduled_work(); + free_rbufs(dev); free_tbufs(dev); free_ring(dev); diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c index abc5cee6eedc..a368d08e7d19 100644 --- a/drivers/net/via-velocity.c +++ b/drivers/net/via-velocity.c @@ -1212,10 +1212,8 @@ static void velocity_free_td_ring(struct velocity_info *vptr) velocity_free_td_ring_entry(vptr, j, i); } - if (vptr->td_infos[j]) { - kfree(vptr->td_infos[j]); - vptr->td_infos[j] = NULL; - } + kfree(vptr->td_infos[j]); + vptr->td_infos[j] = NULL; } } diff --git a/drivers/net/wan/cosa.c b/drivers/net/wan/cosa.c index 7ff814fd65d0..e392ee8b37a1 100644 --- a/drivers/net/wan/cosa.c +++ b/drivers/net/wan/cosa.c @@ -400,7 +400,7 @@ static int __init cosa_init(void) goto out_chrdev; } for (i=0; i<nr_cards; i++) { - class_device_create(cosa_class, MKDEV(cosa_major, i), + class_device_create(cosa_class, NULL, MKDEV(cosa_major, i), NULL, "cosa%d", i); err = devfs_mk_cdev(MKDEV(cosa_major, i), S_IFCHR|S_IRUSR|S_IWUSR, @@ -1617,8 +1617,7 @@ static int get_wait_data(struct cosa_data *cosa) return r; } /* sleep if not ready to read */ - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(1); + schedule_timeout_interruptible(1); } printk(KERN_INFO "cosa: timeout in get_wait_data (status 0x%x)\n", cosa_getstatus(cosa)); @@ -1644,8 +1643,7 @@ static int put_wait_data(struct cosa_data *cosa, int data) } #if 0 /* sleep if not ready to read */ - current->state = TASK_INTERRUPTIBLE; - schedule_timeout(1); + schedule_timeout_interruptible(1); #endif } printk(KERN_INFO "cosa%d: timeout in put_wait_data (status 0x%x)\n", diff --git a/drivers/net/wan/cycx_drv.c b/drivers/net/wan/cycx_drv.c index 9e56fc346ba4..e6d005726aad 100644 --- a/drivers/net/wan/cycx_drv.c +++ b/drivers/net/wan/cycx_drv.c @@ -109,7 +109,7 @@ static long cycx_2x_irq_options[] = { 7, 3, 5, 9, 10, 11, 12, 15 }; * < 0 error. * Context: process */ -int __init cycx_drv_init(void) +static int __init cycx_drv_init(void) { printk(KERN_INFO "%s v%u.%u %s\n", fullname, MOD_VERSION, MOD_RELEASE, copyright); @@ -119,7 +119,7 @@ int __init cycx_drv_init(void) /* Module 'remove' entry point. * o release all remaining system resources */ -void cycx_drv_cleanup(void) +static void cycx_drv_cleanup(void) { } @@ -184,8 +184,7 @@ int cycx_down(struct cycx_hw *hw) } /* Enable interrupt generation. */ -EXPORT_SYMBOL(cycx_inten); -void cycx_inten(struct cycx_hw *hw) +static void cycx_inten(struct cycx_hw *hw) { writeb(0, hw->dpmbase); } diff --git a/drivers/net/wan/cycx_main.c b/drivers/net/wan/cycx_main.c index 7b48064364dc..430b1f630fb4 100644 --- a/drivers/net/wan/cycx_main.c +++ b/drivers/net/wan/cycx_main.c @@ -103,7 +103,7 @@ static struct cycx_device *cycx_card_array; /* adapter data space */ * < 0 error. * Context: process */ -int __init cycx_init(void) +static int __init cycx_init(void) { int cnt, err = -ENOMEM; diff --git a/drivers/net/wan/cycx_x25.c b/drivers/net/wan/cycx_x25.c index 02d57c0b4243..a631d1c2fa14 100644 --- a/drivers/net/wan/cycx_x25.c +++ b/drivers/net/wan/cycx_x25.c @@ -78,6 +78,7 @@ #define CYCLOMX_X25_DEBUG 1 +#include <linux/ctype.h> /* isdigit() */ #include <linux/errno.h> /* return codes */ #include <linux/if_arp.h> /* ARPHRD_HWX25 */ #include <linux/kernel.h> /* printk(), and other useful stuff */ @@ -418,7 +419,7 @@ static int cycx_wan_new_if(struct wan_device *wandev, struct net_device *dev, /* Set channel timeouts (default if not specified) */ chan->idle_tmout = conf->idle_timeout ? conf->idle_timeout : 90; - } else if (is_digit(conf->addr[0])) { /* PVC */ + } else if (isdigit(conf->addr[0])) { /* PVC */ s16 lcn = dec_to_uint(conf->addr, 0); if (lcn >= card->u.x.lo_pvc && lcn <= card->u.x.hi_pvc) @@ -1531,7 +1532,7 @@ static unsigned dec_to_uint(u8 *str, int len) if (!len) len = strlen(str); - for (; len && is_digit(*str); ++str, --len) + for (; len && isdigit(*str); ++str, --len) val = (val * 10) + (*str - (unsigned) '0'); return val; diff --git a/drivers/net/wan/dscc4.c b/drivers/net/wan/dscc4.c index 520a77a798e2..2f61a47b4716 100644 --- a/drivers/net/wan/dscc4.c +++ b/drivers/net/wan/dscc4.c @@ -446,8 +446,8 @@ static inline unsigned int dscc4_tx_quiescent(struct dscc4_dev_priv *dpriv, return readl(dpriv->base_addr + CH0FTDA + dpriv->dev_id*4) == dpriv->ltda; } -int state_check(u32 state, struct dscc4_dev_priv *dpriv, struct net_device *dev, - const char *msg) +static int state_check(u32 state, struct dscc4_dev_priv *dpriv, + struct net_device *dev, const char *msg) { int ret = 0; @@ -466,8 +466,9 @@ int state_check(u32 state, struct dscc4_dev_priv *dpriv, struct net_device *dev, return ret; } -void dscc4_tx_print(struct net_device *dev, struct dscc4_dev_priv *dpriv, - char *msg) +static void dscc4_tx_print(struct net_device *dev, + struct dscc4_dev_priv *dpriv, + char *msg) { printk(KERN_DEBUG "%s: tx_current=%02d tx_dirty=%02d (%s)\n", dev->name, dpriv->tx_current, dpriv->tx_dirty, msg); @@ -507,7 +508,8 @@ static void dscc4_release_ring(struct dscc4_dev_priv *dpriv) } } -inline int try_get_rx_skb(struct dscc4_dev_priv *dpriv, struct net_device *dev) +static inline int try_get_rx_skb(struct dscc4_dev_priv *dpriv, + struct net_device *dev) { unsigned int dirty = dpriv->rx_dirty%RX_RING_SIZE; struct RxFD *rx_fd = dpriv->rx_fd + dirty; @@ -542,8 +544,7 @@ static int dscc4_wait_ack_cec(struct dscc4_dev_priv *dpriv, msg, i); goto done; } - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(10); + schedule_timeout_uninterruptible(10); rmb(); } while (++i > 0); printk(KERN_ERR "%s: %s timeout\n", dev->name, msg); @@ -588,8 +589,7 @@ static inline int dscc4_xpr_ack(struct dscc4_dev_priv *dpriv) (dpriv->iqtx[cur] & Xpr)) break; smp_rmb(); - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(10); + schedule_timeout_uninterruptible(10); } while (++i > 0); return (i >= 0 ) ? i : -EAGAIN; @@ -1035,8 +1035,7 @@ static void dscc4_pci_reset(struct pci_dev *pdev, void __iomem *ioaddr) /* Flush posted writes */ readl(ioaddr + GSTAR); - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(10); + schedule_timeout_uninterruptible(10); for (i = 0; i < 16; i++) pci_write_config_dword(pdev, i << 2, dscc4_pci_config_store[i]); @@ -1894,7 +1893,7 @@ try: * It failed and locked solid. Thus the introduction of a dummy skb. * Problem is acknowledged in errata sheet DS5. Joy :o/ */ -struct sk_buff *dscc4_init_dummy_skb(struct dscc4_dev_priv *dpriv) +static struct sk_buff *dscc4_init_dummy_skb(struct dscc4_dev_priv *dpriv) { struct sk_buff *skb; diff --git a/drivers/net/wan/farsync.c b/drivers/net/wan/farsync.c index 2c83cca34b86..7981a2c7906e 100644 --- a/drivers/net/wan/farsync.c +++ b/drivers/net/wan/farsync.c @@ -74,11 +74,11 @@ MODULE_LICENSE("GPL"); /* * Modules parameters and associated varaibles */ -int fst_txq_low = FST_LOW_WATER_MARK; -int fst_txq_high = FST_HIGH_WATER_MARK; -int fst_max_reads = 7; -int fst_excluded_cards = 0; -int fst_excluded_list[FST_MAX_CARDS]; +static int fst_txq_low = FST_LOW_WATER_MARK; +static int fst_txq_high = FST_HIGH_WATER_MARK; +static int fst_max_reads = 7; +static int fst_excluded_cards = 0; +static int fst_excluded_list[FST_MAX_CARDS]; module_param(fst_txq_low, int, 0); module_param(fst_txq_high, int, 0); @@ -572,13 +572,13 @@ static void do_bottom_half_rx(struct fst_card_info *card); static void fst_process_tx_work_q(unsigned long work_q); static void fst_process_int_work_q(unsigned long work_q); -DECLARE_TASKLET(fst_tx_task, fst_process_tx_work_q, 0); -DECLARE_TASKLET(fst_int_task, fst_process_int_work_q, 0); +static DECLARE_TASKLET(fst_tx_task, fst_process_tx_work_q, 0); +static DECLARE_TASKLET(fst_int_task, fst_process_int_work_q, 0); -struct fst_card_info *fst_card_array[FST_MAX_CARDS]; -spinlock_t fst_work_q_lock; -u64 fst_work_txq; -u64 fst_work_intq; +static struct fst_card_info *fst_card_array[FST_MAX_CARDS]; +static spinlock_t fst_work_q_lock; +static u64 fst_work_txq; +static u64 fst_work_intq; static void fst_q_work_item(u64 * queue, int card_index) @@ -980,8 +980,7 @@ fst_issue_cmd(struct fst_port_info *port, unsigned short cmd) /* Wait for any previous command to complete */ while (mbval > NAK) { spin_unlock_irqrestore(&card->card_lock, flags); - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(1); + schedule_timeout_uninterruptible(1); spin_lock_irqsave(&card->card_lock, flags); if (++safety > 2000) { @@ -1498,7 +1497,7 @@ do_bottom_half_rx(struct fst_card_info *card) * The interrupt service routine * Dev_id is our fst_card_info pointer */ -irqreturn_t +static irqreturn_t fst_intr(int irq, void *dev_id, struct pt_regs *regs) { struct fst_card_info *card; diff --git a/drivers/net/wan/hdlc_fr.c b/drivers/net/wan/hdlc_fr.c index a5d6891c9d4c..e1601d35dced 100644 --- a/drivers/net/wan/hdlc_fr.c +++ b/drivers/net/wan/hdlc_fr.c @@ -330,7 +330,7 @@ static int pvc_close(struct net_device *dev) -int pvc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) +static int pvc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) { pvc_device *pvc = dev_to_pvc(dev); fr_proto_pvc_info info; diff --git a/drivers/net/wan/lmc/lmc_debug.c b/drivers/net/wan/lmc/lmc_debug.c index 9dccd9546a17..3b94352b0d03 100644 --- a/drivers/net/wan/lmc/lmc_debug.c +++ b/drivers/net/wan/lmc/lmc_debug.c @@ -8,10 +8,10 @@ /* * Prints out len, max to 80 octets using printk, 20 per line */ -void lmcConsoleLog(char *type, unsigned char *ucData, int iLen) -{ #ifdef DEBUG #ifdef LMC_PACKET_LOG +void lmcConsoleLog(char *type, unsigned char *ucData, int iLen) +{ int iNewLine = 1; char str[80], *pstr; @@ -43,26 +43,24 @@ void lmcConsoleLog(char *type, unsigned char *ucData, int iLen) } sprintf(pstr, "\n"); printk(str); +} #endif #endif -} #ifdef DEBUG u_int32_t lmcEventLogIndex = 0; u_int32_t lmcEventLogBuf[LMC_EVENTLOGSIZE * LMC_EVENTLOGARGS]; -#endif void lmcEventLog (u_int32_t EventNum, u_int32_t arg2, u_int32_t arg3) { -#ifdef DEBUG lmcEventLogBuf[lmcEventLogIndex++] = EventNum; lmcEventLogBuf[lmcEventLogIndex++] = arg2; lmcEventLogBuf[lmcEventLogIndex++] = arg3; lmcEventLogBuf[lmcEventLogIndex++] = jiffies; lmcEventLogIndex &= (LMC_EVENTLOGSIZE * LMC_EVENTLOGARGS) - 1; -#endif } +#endif /* DEBUG */ void lmc_trace(struct net_device *dev, char *msg){ #ifdef LMC_TRACE diff --git a/drivers/net/wan/lmc/lmc_media.c b/drivers/net/wan/lmc/lmc_media.c index f55ce76b00ed..af8b55fdd9d9 100644 --- a/drivers/net/wan/lmc/lmc_media.c +++ b/drivers/net/wan/lmc/lmc_media.c @@ -48,14 +48,6 @@ */ /* - * For lack of a better place, put the SSI cable stuff here. - */ -char *lmc_t1_cables[] = { - "V.10/RS423", "EIA530A", "reserved", "X.21", "V.35", - "EIA449/EIA530/V.36", "V.28/EIA232", "none", NULL -}; - -/* * protocol independent method. */ static void lmc_set_protocol (lmc_softc_t * const, lmc_ctl_t *); diff --git a/drivers/net/wan/pc300.h b/drivers/net/wan/pc300.h index 73401b0f0151..2024b26b99e6 100644 --- a/drivers/net/wan/pc300.h +++ b/drivers/net/wan/pc300.h @@ -472,24 +472,8 @@ enum pc300_loopback_cmds { #ifdef __KERNEL__ /* Function Prototypes */ -int dma_buf_write(pc300_t *, int, ucchar *, int); -int dma_buf_read(pc300_t *, int, struct sk_buff *); void tx_dma_start(pc300_t *, int); -void rx_dma_start(pc300_t *, int); -void tx_dma_stop(pc300_t *, int); -void rx_dma_stop(pc300_t *, int); -int cpc_queue_xmit(struct sk_buff *, struct net_device *); -void cpc_net_rx(struct net_device *); -void cpc_sca_status(pc300_t *, int); -int cpc_change_mtu(struct net_device *, int); -int cpc_ioctl(struct net_device *, struct ifreq *, int); -int ch_config(pc300dev_t *); -int rx_config(pc300dev_t *); -int tx_config(pc300dev_t *); -void cpc_opench(pc300dev_t *); -void cpc_closech(pc300dev_t *); int cpc_open(struct net_device *dev); -int cpc_close(struct net_device *dev); int cpc_set_media(hdlc_device *, int); #endif /* __KERNEL__ */ diff --git a/drivers/net/wan/pc300_drv.c b/drivers/net/wan/pc300_drv.c index 3e7753b10717..a3e65d1bc19b 100644 --- a/drivers/net/wan/pc300_drv.c +++ b/drivers/net/wan/pc300_drv.c @@ -291,6 +291,7 @@ static uclong detect_ram(pc300_t *); static void plx_init(pc300_t *); static void cpc_trace(struct net_device *, struct sk_buff *, char); static int cpc_attach(struct net_device *, unsigned short, unsigned short); +static int cpc_close(struct net_device *dev); #ifdef CONFIG_PC300_MLPPP void cpc_tty_init(pc300dev_t * dev); @@ -437,7 +438,7 @@ static void rx_dma_buf_check(pc300_t * card, int ch) printk("\n"); } -int dma_get_rx_frame_size(pc300_t * card, int ch) +static int dma_get_rx_frame_size(pc300_t * card, int ch) { volatile pcsca_bd_t __iomem *ptdescr; ucshort first_bd = card->chan[ch].rx_first_bd; @@ -462,7 +463,7 @@ int dma_get_rx_frame_size(pc300_t * card, int ch) * dma_buf_write: writes a frame to the Tx DMA buffers * NOTE: this function writes one frame at a time. */ -int dma_buf_write(pc300_t * card, int ch, ucchar * ptdata, int len) +static int dma_buf_write(pc300_t * card, int ch, ucchar * ptdata, int len) { int i, nchar; volatile pcsca_bd_t __iomem *ptdescr; @@ -503,7 +504,7 @@ int dma_buf_write(pc300_t * card, int ch, ucchar * ptdata, int len) * dma_buf_read: reads a frame from the Rx DMA buffers * NOTE: this function reads one frame at a time. */ -int dma_buf_read(pc300_t * card, int ch, struct sk_buff *skb) +static int dma_buf_read(pc300_t * card, int ch, struct sk_buff *skb) { int nchar; pc300ch_t *chan = (pc300ch_t *) & card->chan[ch]; @@ -560,7 +561,7 @@ int dma_buf_read(pc300_t * card, int ch, struct sk_buff *skb) return (rcvd); } -void tx_dma_stop(pc300_t * card, int ch) +static void tx_dma_stop(pc300_t * card, int ch) { void __iomem *scabase = card->hw.scabase; ucchar drr_ena_bit = 1 << (5 + 2 * ch); @@ -571,7 +572,7 @@ void tx_dma_stop(pc300_t * card, int ch) cpc_writeb(scabase + DRR, drr_rst_bit & ~drr_ena_bit); } -void rx_dma_stop(pc300_t * card, int ch) +static void rx_dma_stop(pc300_t * card, int ch) { void __iomem *scabase = card->hw.scabase; ucchar drr_ena_bit = 1 << (4 + 2 * ch); @@ -582,7 +583,7 @@ void rx_dma_stop(pc300_t * card, int ch) cpc_writeb(scabase + DRR, drr_rst_bit & ~drr_ena_bit); } -void rx_dma_start(pc300_t * card, int ch) +static void rx_dma_start(pc300_t * card, int ch) { void __iomem *scabase = card->hw.scabase; pc300ch_t *chan = (pc300ch_t *) & card->chan[ch]; @@ -607,7 +608,7 @@ void rx_dma_start(pc300_t * card, int ch) /*************************/ /*** FALC Routines ***/ /*************************/ -void falc_issue_cmd(pc300_t * card, int ch, ucchar cmd) +static void falc_issue_cmd(pc300_t * card, int ch, ucchar cmd) { void __iomem *falcbase = card->hw.falcbase; unsigned long i = 0; @@ -622,7 +623,7 @@ void falc_issue_cmd(pc300_t * card, int ch, ucchar cmd) cpc_writeb(falcbase + F_REG(CMDR, ch), cmd); } -void falc_intr_enable(pc300_t * card, int ch) +static void falc_intr_enable(pc300_t * card, int ch) { pc300ch_t *chan = (pc300ch_t *) & card->chan[ch]; pc300chconf_t *conf = (pc300chconf_t *) & chan->conf; @@ -672,7 +673,7 @@ void falc_intr_enable(pc300_t * card, int ch) } } -void falc_open_timeslot(pc300_t * card, int ch, int timeslot) +static void falc_open_timeslot(pc300_t * card, int ch, int timeslot) { void __iomem *falcbase = card->hw.falcbase; ucchar tshf = card->chan[ch].falc.offset; @@ -688,7 +689,7 @@ void falc_open_timeslot(pc300_t * card, int ch, int timeslot) (0x80 >> (timeslot & 0x07))); } -void falc_close_timeslot(pc300_t * card, int ch, int timeslot) +static void falc_close_timeslot(pc300_t * card, int ch, int timeslot) { void __iomem *falcbase = card->hw.falcbase; ucchar tshf = card->chan[ch].falc.offset; @@ -704,7 +705,7 @@ void falc_close_timeslot(pc300_t * card, int ch, int timeslot) ~(0x80 >> (timeslot & 0x07))); } -void falc_close_all_timeslots(pc300_t * card, int ch) +static void falc_close_all_timeslots(pc300_t * card, int ch) { pc300ch_t *chan = (pc300ch_t *) & card->chan[ch]; pc300chconf_t *conf = (pc300chconf_t *) & chan->conf; @@ -726,7 +727,7 @@ void falc_close_all_timeslots(pc300_t * card, int ch) } } -void falc_open_all_timeslots(pc300_t * card, int ch) +static void falc_open_all_timeslots(pc300_t * card, int ch) { pc300ch_t *chan = (pc300ch_t *) & card->chan[ch]; pc300chconf_t *conf = (pc300chconf_t *) & chan->conf; @@ -758,7 +759,7 @@ void falc_open_all_timeslots(pc300_t * card, int ch) } } -void falc_init_timeslot(pc300_t * card, int ch) +static void falc_init_timeslot(pc300_t * card, int ch) { pc300ch_t *chan = (pc300ch_t *) & card->chan[ch]; pc300chconf_t *conf = (pc300chconf_t *) & chan->conf; @@ -776,7 +777,7 @@ void falc_init_timeslot(pc300_t * card, int ch) } } -void falc_enable_comm(pc300_t * card, int ch) +static void falc_enable_comm(pc300_t * card, int ch) { pc300ch_t *chan = (pc300ch_t *) & card->chan[ch]; falc_t *pfalc = (falc_t *) & chan->falc; @@ -792,7 +793,7 @@ void falc_enable_comm(pc300_t * card, int ch) ~((CPLD_REG1_FALC_DCD | CPLD_REG1_FALC_CTS) << (2 * ch))); } -void falc_disable_comm(pc300_t * card, int ch) +static void falc_disable_comm(pc300_t * card, int ch) { pc300ch_t *chan = (pc300ch_t *) & card->chan[ch]; falc_t *pfalc = (falc_t *) & chan->falc; @@ -806,7 +807,7 @@ void falc_disable_comm(pc300_t * card, int ch) ((CPLD_REG1_FALC_DCD | CPLD_REG1_FALC_CTS) << (2 * ch))); } -void falc_init_t1(pc300_t * card, int ch) +static void falc_init_t1(pc300_t * card, int ch) { pc300ch_t *chan = (pc300ch_t *) & card->chan[ch]; pc300chconf_t *conf = (pc300chconf_t *) & chan->conf; @@ -975,7 +976,7 @@ void falc_init_t1(pc300_t * card, int ch) falc_close_all_timeslots(card, ch); } -void falc_init_e1(pc300_t * card, int ch) +static void falc_init_e1(pc300_t * card, int ch) { pc300ch_t *chan = (pc300ch_t *) & card->chan[ch]; pc300chconf_t *conf = (pc300chconf_t *) & chan->conf; @@ -1155,7 +1156,7 @@ void falc_init_e1(pc300_t * card, int ch) falc_close_all_timeslots(card, ch); } -void falc_init_hdlc(pc300_t * card, int ch) +static void falc_init_hdlc(pc300_t * card, int ch) { void __iomem *falcbase = card->hw.falcbase; pc300ch_t *chan = (pc300ch_t *) & card->chan[ch]; @@ -1181,7 +1182,7 @@ void falc_init_hdlc(pc300_t * card, int ch) falc_intr_enable(card, ch); } -void te_config(pc300_t * card, int ch) +static void te_config(pc300_t * card, int ch) { pc300ch_t *chan = (pc300ch_t *) & card->chan[ch]; pc300chconf_t *conf = (pc300chconf_t *) & chan->conf; @@ -1241,7 +1242,7 @@ void te_config(pc300_t * card, int ch) CPC_UNLOCK(card, flags); } -void falc_check_status(pc300_t * card, int ch, unsigned char frs0) +static void falc_check_status(pc300_t * card, int ch, unsigned char frs0) { pc300ch_t *chan = (pc300ch_t *) & card->chan[ch]; pc300chconf_t *conf = (pc300chconf_t *) & chan->conf; @@ -1397,7 +1398,7 @@ void falc_check_status(pc300_t * card, int ch, unsigned char frs0) } } -void falc_update_stats(pc300_t * card, int ch) +static void falc_update_stats(pc300_t * card, int ch) { pc300ch_t *chan = (pc300ch_t *) & card->chan[ch]; pc300chconf_t *conf = (pc300chconf_t *) & chan->conf; @@ -1450,7 +1451,7 @@ void falc_update_stats(pc300_t * card, int ch) * the synchronizer and then sent to the system interface. *---------------------------------------------------------------------------- */ -void falc_remote_loop(pc300_t * card, int ch, int loop_on) +static void falc_remote_loop(pc300_t * card, int ch, int loop_on) { pc300ch_t *chan = (pc300ch_t *) & card->chan[ch]; pc300chconf_t *conf = (pc300chconf_t *) & chan->conf; @@ -1495,7 +1496,7 @@ void falc_remote_loop(pc300_t * card, int ch, int loop_on) * coding must be identical. *---------------------------------------------------------------------------- */ -void falc_local_loop(pc300_t * card, int ch, int loop_on) +static void falc_local_loop(pc300_t * card, int ch, int loop_on) { pc300ch_t *chan = (pc300ch_t *) & card->chan[ch]; falc_t *pfalc = (falc_t *) & chan->falc; @@ -1522,7 +1523,7 @@ void falc_local_loop(pc300_t * card, int ch, int loop_on) * looped. They are originated by the FALC-LH transmitter. *---------------------------------------------------------------------------- */ -void falc_payload_loop(pc300_t * card, int ch, int loop_on) +static void falc_payload_loop(pc300_t * card, int ch, int loop_on) { pc300ch_t *chan = (pc300ch_t *) & card->chan[ch]; pc300chconf_t *conf = (pc300chconf_t *) & chan->conf; @@ -1576,7 +1577,7 @@ void falc_payload_loop(pc300_t * card, int ch, int loop_on) * Description: Turns XLU bit off in the proper register *---------------------------------------------------------------------------- */ -void turn_off_xlu(pc300_t * card, int ch) +static void turn_off_xlu(pc300_t * card, int ch) { pc300ch_t *chan = (pc300ch_t *) & card->chan[ch]; pc300chconf_t *conf = (pc300chconf_t *) & chan->conf; @@ -1597,7 +1598,7 @@ void turn_off_xlu(pc300_t * card, int ch) * Description: Turns XLD bit off in the proper register *---------------------------------------------------------------------------- */ -void turn_off_xld(pc300_t * card, int ch) +static void turn_off_xld(pc300_t * card, int ch) { pc300ch_t *chan = (pc300ch_t *) & card->chan[ch]; pc300chconf_t *conf = (pc300chconf_t *) & chan->conf; @@ -1619,7 +1620,7 @@ void turn_off_xld(pc300_t * card, int ch) * to generate a LOOP activation code over a T1/E1 line. *---------------------------------------------------------------------------- */ -void falc_generate_loop_up_code(pc300_t * card, int ch) +static void falc_generate_loop_up_code(pc300_t * card, int ch) { pc300ch_t *chan = (pc300ch_t *) & card->chan[ch]; pc300chconf_t *conf = (pc300chconf_t *) & chan->conf; @@ -1652,7 +1653,7 @@ void falc_generate_loop_up_code(pc300_t * card, int ch) * to generate a LOOP deactivation code over a T1/E1 line. *---------------------------------------------------------------------------- */ -void falc_generate_loop_down_code(pc300_t * card, int ch) +static void falc_generate_loop_down_code(pc300_t * card, int ch) { pc300ch_t *chan = (pc300ch_t *) & card->chan[ch]; pc300chconf_t *conf = (pc300chconf_t *) & chan->conf; @@ -1682,7 +1683,7 @@ void falc_generate_loop_down_code(pc300_t * card, int ch) * it on the reception side. *---------------------------------------------------------------------------- */ -void falc_pattern_test(pc300_t * card, int ch, unsigned int activate) +static void falc_pattern_test(pc300_t * card, int ch, unsigned int activate) { pc300ch_t *chan = (pc300ch_t *) & card->chan[ch]; pc300chconf_t *conf = (pc300chconf_t *) & chan->conf; @@ -1729,7 +1730,7 @@ void falc_pattern_test(pc300_t * card, int ch, unsigned int activate) * Description: This routine returns the bit error counter value *---------------------------------------------------------------------------- */ -ucshort falc_pattern_test_error(pc300_t * card, int ch) +static ucshort falc_pattern_test_error(pc300_t * card, int ch) { pc300ch_t *chan = (pc300ch_t *) & card->chan[ch]; falc_t *pfalc = (falc_t *) & chan->falc; @@ -1769,7 +1770,7 @@ cpc_trace(struct net_device *dev, struct sk_buff *skb_main, char rx_tx) netif_rx(skb); } -void cpc_tx_timeout(struct net_device *dev) +static void cpc_tx_timeout(struct net_device *dev) { pc300dev_t *d = (pc300dev_t *) dev->priv; pc300ch_t *chan = (pc300ch_t *) d->chan; @@ -1797,7 +1798,7 @@ void cpc_tx_timeout(struct net_device *dev) netif_wake_queue(dev); } -int cpc_queue_xmit(struct sk_buff *skb, struct net_device *dev) +static int cpc_queue_xmit(struct sk_buff *skb, struct net_device *dev) { pc300dev_t *d = (pc300dev_t *) dev->priv; pc300ch_t *chan = (pc300ch_t *) d->chan; @@ -1880,7 +1881,7 @@ int cpc_queue_xmit(struct sk_buff *skb, struct net_device *dev) return 0; } -void cpc_net_rx(struct net_device *dev) +static void cpc_net_rx(struct net_device *dev) { pc300dev_t *d = (pc300dev_t *) dev->priv; pc300ch_t *chan = (pc300ch_t *) d->chan; @@ -2403,7 +2404,7 @@ static irqreturn_t cpc_intr(int irq, void *dev_id, struct pt_regs *regs) return IRQ_HANDLED; } -void cpc_sca_status(pc300_t * card, int ch) +static void cpc_sca_status(pc300_t * card, int ch) { ucchar ilar; void __iomem *scabase = card->hw.scabase; @@ -2495,7 +2496,7 @@ void cpc_sca_status(pc300_t * card, int ch) } } -void cpc_falc_status(pc300_t * card, int ch) +static void cpc_falc_status(pc300_t * card, int ch) { pc300ch_t *chan = &card->chan[ch]; falc_t *pfalc = (falc_t *) & chan->falc; @@ -2523,7 +2524,7 @@ void cpc_falc_status(pc300_t * card, int ch) CPC_UNLOCK(card, flags); } -int cpc_change_mtu(struct net_device *dev, int new_mtu) +static int cpc_change_mtu(struct net_device *dev, int new_mtu) { if ((new_mtu < 128) || (new_mtu > PC300_DEF_MTU)) return -EINVAL; @@ -2531,7 +2532,7 @@ int cpc_change_mtu(struct net_device *dev, int new_mtu) return 0; } -int cpc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) +static int cpc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) { hdlc_device *hdlc = dev_to_hdlc(dev); pc300dev_t *d = (pc300dev_t *) dev->priv; @@ -2856,7 +2857,7 @@ static int clock_rate_calc(uclong rate, uclong clock, int *br_io) } } -int ch_config(pc300dev_t * d) +static int ch_config(pc300dev_t * d) { pc300ch_t *chan = (pc300ch_t *) d->chan; pc300chconf_t *conf = (pc300chconf_t *) & chan->conf; @@ -3004,7 +3005,7 @@ int ch_config(pc300dev_t * d) return 0; } -int rx_config(pc300dev_t * d) +static int rx_config(pc300dev_t * d) { pc300ch_t *chan = (pc300ch_t *) d->chan; pc300_t *card = (pc300_t *) chan->card; @@ -3035,7 +3036,7 @@ int rx_config(pc300dev_t * d) return 0; } -int tx_config(pc300dev_t * d) +static int tx_config(pc300dev_t * d) { pc300ch_t *chan = (pc300ch_t *) d->chan; pc300_t *card = (pc300_t *) chan->card; @@ -3098,7 +3099,7 @@ static int cpc_attach(struct net_device *dev, unsigned short encoding, return 0; } -void cpc_opench(pc300dev_t * d) +static void cpc_opench(pc300dev_t * d) { pc300ch_t *chan = (pc300ch_t *) d->chan; pc300_t *card = (pc300_t *) chan->card; @@ -3116,7 +3117,7 @@ void cpc_opench(pc300dev_t * d) cpc_readb(scabase + M_REG(CTL, ch)) & ~(CTL_RTS | CTL_DTR)); } -void cpc_closech(pc300dev_t * d) +static void cpc_closech(pc300dev_t * d) { pc300ch_t *chan = (pc300ch_t *) d->chan; pc300_t *card = (pc300_t *) chan->card; @@ -3173,7 +3174,7 @@ int cpc_open(struct net_device *dev) return 0; } -int cpc_close(struct net_device *dev) +static int cpc_close(struct net_device *dev) { hdlc_device *hdlc = dev_to_hdlc(dev); pc300dev_t *d = (pc300dev_t *) dev->priv; diff --git a/drivers/net/wan/pc300_tty.c b/drivers/net/wan/pc300_tty.c index 8454bf6caaa7..52f26b9c69d2 100644 --- a/drivers/net/wan/pc300_tty.c +++ b/drivers/net/wan/pc300_tty.c @@ -112,10 +112,10 @@ typedef struct _st_cpc_tty_area { static struct tty_driver serial_drv; /* local variables */ -st_cpc_tty_area cpc_tty_area[CPC_TTY_NPORTS]; +static st_cpc_tty_area cpc_tty_area[CPC_TTY_NPORTS]; -int cpc_tty_cnt=0; /* number of intrfaces configured with MLPPP */ -int cpc_tty_unreg_flag = 0; +static int cpc_tty_cnt = 0; /* number of intrfaces configured with MLPPP */ +static int cpc_tty_unreg_flag = 0; /* TTY functions prototype */ static int cpc_tty_open(struct tty_struct *tty, struct file *flip); @@ -132,9 +132,9 @@ static void cpc_tty_trace(pc300dev_t *dev, char* buf, int len, char rxtx); static void cpc_tty_signal_off(pc300dev_t *pc300dev, unsigned char); static void cpc_tty_signal_on(pc300dev_t *pc300dev, unsigned char); -int pc300_tiocmset(struct tty_struct *, struct file *, - unsigned int, unsigned int); -int pc300_tiocmget(struct tty_struct *, struct file *); +static int pc300_tiocmset(struct tty_struct *, struct file *, + unsigned int, unsigned int); +static int pc300_tiocmget(struct tty_struct *, struct file *); /* functions called by PC300 driver */ void cpc_tty_init(pc300dev_t *dev); @@ -538,8 +538,8 @@ static int cpc_tty_chars_in_buffer(struct tty_struct *tty) return(0); } -int pc300_tiocmset(struct tty_struct *tty, struct file *file, - unsigned int set, unsigned int clear) +static int pc300_tiocmset(struct tty_struct *tty, struct file *file, + unsigned int set, unsigned int clear) { st_cpc_tty_area *cpc_tty; @@ -565,7 +565,7 @@ int pc300_tiocmset(struct tty_struct *tty, struct file *file, return 0; } -int pc300_tiocmget(struct tty_struct *tty, struct file *file) +static int pc300_tiocmget(struct tty_struct *tty, struct file *file) { unsigned int result; unsigned char status; diff --git a/drivers/net/wan/sdla.c b/drivers/net/wan/sdla.c index 3ac9a45b20fa..036adc4f8ba7 100644 --- a/drivers/net/wan/sdla.c +++ b/drivers/net/wan/sdla.c @@ -182,7 +182,7 @@ static char sdla_byte(struct net_device *dev, int addr) return(byte); } -void sdla_stop(struct net_device *dev) +static void sdla_stop(struct net_device *dev) { struct frad_local *flp; @@ -209,7 +209,7 @@ void sdla_stop(struct net_device *dev) } } -void sdla_start(struct net_device *dev) +static void sdla_start(struct net_device *dev) { struct frad_local *flp; @@ -247,7 +247,7 @@ void sdla_start(struct net_device *dev) * ***************************************************/ -int sdla_z80_poll(struct net_device *dev, int z80_addr, int jiffs, char resp1, char resp2) +static int sdla_z80_poll(struct net_device *dev, int z80_addr, int jiffs, char resp1, char resp2) { unsigned long start, done, now; char resp, *temp; @@ -505,7 +505,7 @@ static int sdla_cmd(struct net_device *dev, int cmd, short dlci, short flags, static int sdla_reconfig(struct net_device *dev); -int sdla_activate(struct net_device *slave, struct net_device *master) +static int sdla_activate(struct net_device *slave, struct net_device *master) { struct frad_local *flp; int i; @@ -527,7 +527,7 @@ int sdla_activate(struct net_device *slave, struct net_device *master) return(0); } -int sdla_deactivate(struct net_device *slave, struct net_device *master) +static int sdla_deactivate(struct net_device *slave, struct net_device *master) { struct frad_local *flp; int i; @@ -549,7 +549,7 @@ int sdla_deactivate(struct net_device *slave, struct net_device *master) return(0); } -int sdla_assoc(struct net_device *slave, struct net_device *master) +static int sdla_assoc(struct net_device *slave, struct net_device *master) { struct frad_local *flp; int i; @@ -585,7 +585,7 @@ int sdla_assoc(struct net_device *slave, struct net_device *master) return(0); } -int sdla_deassoc(struct net_device *slave, struct net_device *master) +static int sdla_deassoc(struct net_device *slave, struct net_device *master) { struct frad_local *flp; int i; @@ -613,7 +613,7 @@ int sdla_deassoc(struct net_device *slave, struct net_device *master) return(0); } -int sdla_dlci_conf(struct net_device *slave, struct net_device *master, int get) +static int sdla_dlci_conf(struct net_device *slave, struct net_device *master, int get) { struct frad_local *flp; struct dlci_local *dlp; @@ -1324,7 +1324,7 @@ NOTE: This is rather a useless action right now, as the return(0); } -int sdla_change_mtu(struct net_device *dev, int new_mtu) +static int sdla_change_mtu(struct net_device *dev, int new_mtu) { struct frad_local *flp; @@ -1337,7 +1337,7 @@ int sdla_change_mtu(struct net_device *dev, int new_mtu) return(-EOPNOTSUPP); } -int sdla_set_config(struct net_device *dev, struct ifmap *map) +static int sdla_set_config(struct net_device *dev, struct ifmap *map) { struct frad_local *flp; int i; diff --git a/drivers/net/wan/sdla_fr.c b/drivers/net/wan/sdla_fr.c index 0497dbdb8631..7f1ce9d4333e 100644 --- a/drivers/net/wan/sdla_fr.c +++ b/drivers/net/wan/sdla_fr.c @@ -822,7 +822,7 @@ static int new_if(struct wan_device* wandev, struct net_device* dev, chan->card = card; /* verify media address */ - if (is_digit(conf->addr[0])) { + if (isdigit(conf->addr[0])) { dlci = dec_to_uint(conf->addr, 0); @@ -3456,7 +3456,7 @@ static unsigned int dec_to_uint (unsigned char* str, int len) if (!len) len = strlen(str); - for (val = 0; len && is_digit(*str); ++str, --len) + for (val = 0; len && isdigit(*str); ++str, --len) val = (val * 10) + (*str - (unsigned)'0'); return val; diff --git a/drivers/net/wan/sdla_x25.c b/drivers/net/wan/sdla_x25.c index 8a95d61a2f8f..63f846d6f3a6 100644 --- a/drivers/net/wan/sdla_x25.c +++ b/drivers/net/wan/sdla_x25.c @@ -957,7 +957,7 @@ static int new_if(struct wan_device* wandev, struct net_device* dev, chan->hold_timeout = (conf->hold_timeout) ? conf->hold_timeout : 10; - }else if (is_digit(conf->addr[0])){ /* PVC */ + }else if (isdigit(conf->addr[0])){ /* PVC */ int lcn = dec_to_uint(conf->addr, 0); if ((lcn >= card->u.x.lo_pvc) && (lcn <= card->u.x.hi_pvc)){ @@ -3875,7 +3875,7 @@ static unsigned int dec_to_uint (unsigned char* str, int len) if (!len) len = strlen(str); - for (val = 0; len && is_digit(*str); ++str, --len) + for (val = 0; len && isdigit(*str); ++str, --len) val = (val * 10) + (*str - (unsigned)'0'); return val; @@ -3896,9 +3896,9 @@ static unsigned int hex_to_uint (unsigned char* str, int len) for (val = 0; len; ++str, --len) { ch = *str; - if (is_digit(ch)) + if (isdigit(ch)) val = (val << 4) + (ch - (unsigned)'0'); - else if (is_hex_digit(ch)) + else if (isxdigit(ch)) val = (val << 4) + ((ch & 0xDF) - (unsigned)'A' + 10); else break; } diff --git a/drivers/net/wan/sdladrv.c b/drivers/net/wan/sdladrv.c index c8bc6da57a41..7c2cf2e76300 100644 --- a/drivers/net/wan/sdladrv.c +++ b/drivers/net/wan/sdladrv.c @@ -642,9 +642,7 @@ int sdla_mapmem (sdlahw_t* hw, unsigned long addr) * Enable interrupt generation. */ -EXPORT_SYMBOL(sdla_inten); - -int sdla_inten (sdlahw_t* hw) +static int sdla_inten (sdlahw_t* hw) { unsigned port = hw->port; int tmp, i; @@ -698,8 +696,7 @@ int sdla_inten (sdlahw_t* hw) * Disable interrupt generation. */ -EXPORT_SYMBOL(sdla_intde); - +#if 0 int sdla_intde (sdlahw_t* hw) { unsigned port = hw->port; @@ -748,14 +745,13 @@ int sdla_intde (sdlahw_t* hw) } return 0; } +#endif /* 0 */ /*============================================================================ * Acknowledge SDLA hardware interrupt. */ -EXPORT_SYMBOL(sdla_intack); - -int sdla_intack (sdlahw_t* hw) +static int sdla_intack (sdlahw_t* hw) { unsigned port = hw->port; int tmp; @@ -827,8 +823,7 @@ void read_S514_int_stat (sdlahw_t* hw, u32* int_status) * Generate an interrupt to adapter's CPU. */ -EXPORT_SYMBOL(sdla_intr); - +#if 0 int sdla_intr (sdlahw_t* hw) { unsigned port = hw->port; @@ -863,6 +858,7 @@ int sdla_intr (sdlahw_t* hw) } return 0; } +#endif /* 0 */ /*============================================================================ * Execute Adapter Command. diff --git a/drivers/net/wan/syncppp.c b/drivers/net/wan/syncppp.c index a6d3b55013a5..2d1bba06a085 100644 --- a/drivers/net/wan/syncppp.c +++ b/drivers/net/wan/syncppp.c @@ -221,7 +221,7 @@ static void sppp_clear_timeout(struct sppp *p) * here. */ -void sppp_input (struct net_device *dev, struct sk_buff *skb) +static void sppp_input (struct net_device *dev, struct sk_buff *skb) { struct ppp_header *h; struct sppp *sp = (struct sppp *)sppp_of(dev); @@ -355,8 +355,6 @@ done: return; } -EXPORT_SYMBOL(sppp_input); - /* * Handle transmit packets. */ @@ -990,7 +988,7 @@ EXPORT_SYMBOL(sppp_reopen); * the mtu is out of range. */ -int sppp_change_mtu(struct net_device *dev, int new_mtu) +static int sppp_change_mtu(struct net_device *dev, int new_mtu) { if(new_mtu<128||new_mtu>PPP_MTU||(dev->flags&IFF_UP)) return -EINVAL; @@ -998,8 +996,6 @@ int sppp_change_mtu(struct net_device *dev, int new_mtu) return 0; } -EXPORT_SYMBOL(sppp_change_mtu); - /** * sppp_do_ioctl - Ioctl handler for ppp/hdlc * @dev: Device subject to ioctl @@ -1456,7 +1452,7 @@ static int sppp_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_t return 0; } -struct packet_type sppp_packet_type = { +static struct packet_type sppp_packet_type = { .type = __constant_htons(ETH_P_WAN_PPP), .func = sppp_rcv, }; diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c index 06998c2240d9..750c0167539c 100644 --- a/drivers/net/wireless/airo.c +++ b/drivers/net/wireless/airo.c @@ -35,6 +35,7 @@ #include <linux/interrupt.h> #include <linux/in.h> #include <linux/bitops.h> +#include <linux/scatterlist.h> #include <asm/io.h> #include <asm/system.h> @@ -1046,7 +1047,6 @@ static WifiCtlHdr wifictlhdr8023 = { } }; -#ifdef WIRELESS_EXT // Frequency list (map channels to frequencies) static const long frequency_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442, 2447, 2452, 2457, 2462, 2467, 2472, 2484 }; @@ -1067,7 +1067,6 @@ typedef struct wep_key_t { /* List of Wireless Handlers (new API) */ static const struct iw_handler_def airo_handler_def; -#endif /* WIRELESS_EXT */ static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)"; @@ -1110,10 +1109,8 @@ static irqreturn_t airo_interrupt( int irq, void* dev_id, struct pt_regs static int airo_thread(void *data); static void timer_func( struct net_device *dev ); static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); -#ifdef WIRELESS_EXT static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev); static void airo_read_wireless_stats (struct airo_info *local); -#endif /* WIRELESS_EXT */ #ifdef CISCO_EXT static int readrids(struct net_device *dev, aironet_ioctl *comp); static int writerids(struct net_device *dev, aironet_ioctl *comp); @@ -1187,12 +1184,10 @@ struct airo_info { int fid; } xmit, xmit11; struct net_device *wifidev; -#ifdef WIRELESS_EXT struct iw_statistics wstats; // wireless stats unsigned long scan_timestamp; /* Time started to scan */ struct iw_spy_data spy_data; struct iw_public_data wireless_data; -#endif /* WIRELESS_EXT */ #ifdef MICSUPPORT /* MIC stuff */ struct crypto_tfm *tfm; @@ -1596,11 +1591,9 @@ static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, struct aes_counter[12] = (u8)(counter >> 24); counter++; memcpy (plain, aes_counter, 16); - sg[0].page = virt_to_page(plain); - sg[0].offset = ((long) plain & ~PAGE_MASK); - sg[0].length = 16; + sg_set_buf(sg, plain, 16); crypto_cipher_encrypt(tfm, sg, sg, 16); - cipher = kmap(sg[0].page) + sg[0].offset; + cipher = kmap(sg->page) + sg->offset; for (j=0; (j<16) && (i< (sizeof(context->coeff)/sizeof(context->coeff[0]))); ) { context->coeff[i++] = ntohl(*(u32 *)&cipher[j]); j += 4; @@ -2387,14 +2380,10 @@ void stop_airo_card( struct net_device *dev, int freeres ) dev_kfree_skb(skb); } - if (ai->flash) - kfree(ai->flash); - if (ai->rssi) - kfree(ai->rssi); - if (ai->APList) - kfree(ai->APList); - if (ai->SSID) - kfree(ai->SSID); + kfree(ai->flash); + kfree(ai->rssi); + kfree(ai->APList); + kfree(ai->SSID); if (freeres) { /* PCMCIA frees this stuff, so only for PCI and ISA */ release_region( dev->base_addr, 64 ); @@ -2527,7 +2516,8 @@ static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci, unsigned long mem_start, mem_len, aux_start, aux_len; int rc = -1; int i; - unsigned char *busaddroff,*vpackoff; + dma_addr_t busaddroff; + unsigned char *vpackoff; unsigned char __iomem *pciaddroff; mem_start = pci_resource_start(pci, 1); @@ -2570,7 +2560,7 @@ static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci, /* * Setup descriptor RX, TX, CONFIG */ - busaddroff = (unsigned char *)ai->shared_dma; + busaddroff = ai->shared_dma; pciaddroff = ai->pciaux + AUX_OFFSET; vpackoff = ai->shared; @@ -2579,7 +2569,7 @@ static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci, ai->rxfids[i].pending = 0; ai->rxfids[i].card_ram_off = pciaddroff; ai->rxfids[i].virtual_host_addr = vpackoff; - ai->rxfids[i].rx_desc.host_addr = (dma_addr_t) busaddroff; + ai->rxfids[i].rx_desc.host_addr = busaddroff; ai->rxfids[i].rx_desc.valid = 1; ai->rxfids[i].rx_desc.len = PKTSIZE; ai->rxfids[i].rx_desc.rdy = 0; @@ -2594,7 +2584,7 @@ static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci, ai->txfids[i].card_ram_off = pciaddroff; ai->txfids[i].virtual_host_addr = vpackoff; ai->txfids[i].tx_desc.valid = 1; - ai->txfids[i].tx_desc.host_addr = (dma_addr_t) busaddroff; + ai->txfids[i].tx_desc.host_addr = busaddroff; memcpy(ai->txfids[i].virtual_host_addr, &wifictlhdr8023, sizeof(wifictlhdr8023)); @@ -2607,8 +2597,8 @@ static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci, /* Rid descriptor setup */ ai->config_desc.card_ram_off = pciaddroff; ai->config_desc.virtual_host_addr = vpackoff; - ai->config_desc.rid_desc.host_addr = (dma_addr_t) busaddroff; - ai->ridbus = (dma_addr_t)busaddroff; + ai->config_desc.rid_desc.host_addr = busaddroff; + ai->ridbus = busaddroff; ai->config_desc.rid_desc.rid = 0; ai->config_desc.rid_desc.len = RIDSIZE; ai->config_desc.rid_desc.valid = 1; @@ -2647,9 +2637,7 @@ static void wifi_setup(struct net_device *dev) dev->get_stats = &airo_get_stats; dev->set_mac_address = &airo_set_mac_address; dev->do_ioctl = &airo_ioctl; -#ifdef WIRELESS_EXT dev->wireless_handlers = &airo_handler_def; -#endif /* WIRELESS_EXT */ dev->change_mtu = &airo_change_mtu; dev->open = &airo_open; dev->stop = &airo_close; @@ -2675,9 +2663,7 @@ static struct net_device *init_wifidev(struct airo_info *ai, dev->priv = ethdev->priv; dev->irq = ethdev->irq; dev->base_addr = ethdev->base_addr; -#ifdef WIRELESS_EXT dev->wireless_data = ethdev->wireless_data; -#endif /* WIRELESS_EXT */ memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len); err = register_netdev(dev); if (err<0) { @@ -2755,11 +2741,9 @@ static struct net_device *_init_airo_card( unsigned short irq, int port, dev->set_multicast_list = &airo_set_multicast_list; dev->set_mac_address = &airo_set_mac_address; dev->do_ioctl = &airo_ioctl; -#ifdef WIRELESS_EXT dev->wireless_handlers = &airo_handler_def; ai->wireless_data.spy_data = &ai->spy_data; dev->wireless_data = &ai->wireless_data; -#endif /* WIRELESS_EXT */ dev->change_mtu = &airo_change_mtu; dev->open = &airo_open; dev->stop = &airo_close; @@ -3637,10 +3621,8 @@ static u16 setup_card(struct airo_info *ai, u8 *mac, int lock) int rc; memset( &mySsid, 0, sizeof( mySsid ) ); - if (ai->flash) { - kfree (ai->flash); - ai->flash = NULL; - } + kfree (ai->flash); + ai->flash = NULL; /* The NOP is the first step in getting the card going */ cmd.cmd = NOP; @@ -3677,14 +3659,10 @@ static u16 setup_card(struct airo_info *ai, u8 *mac, int lock) tdsRssiRid rssi_rid; CapabilityRid cap_rid; - if (ai->APList) { - kfree(ai->APList); - ai->APList = NULL; - } - if (ai->SSID) { - kfree(ai->SSID); - ai->SSID = NULL; - } + kfree(ai->APList); + ai->APList = NULL; + kfree(ai->SSID); + ai->SSID = NULL; // general configuration (read/modify/write) status = readConfigRid(ai, lock); if ( status != SUCCESS ) return ERROR; @@ -3698,10 +3676,8 @@ static u16 setup_card(struct airo_info *ai, u8 *mac, int lock) memcpy(ai->rssi, (u8*)&rssi_rid + 2, 512); /* Skip RID length member */ } else { - if (ai->rssi) { - kfree(ai->rssi); - ai->rssi = NULL; - } + kfree(ai->rssi); + ai->rssi = NULL; if (cap_rid.softCap & 8) ai->config.rmode |= RXMODE_NORMALIZED_RSSI; else @@ -5380,11 +5356,13 @@ static int proc_BSSList_open( struct inode *inode, struct file *file ) { static int proc_close( struct inode *inode, struct file *file ) { - struct proc_data *data = (struct proc_data *)file->private_data; - if ( data->on_close != NULL ) data->on_close( inode, file ); - if ( data->rbuffer ) kfree( data->rbuffer ); - if ( data->wbuffer ) kfree( data->wbuffer ); - kfree( data ); + struct proc_data *data = file->private_data; + + if (data->on_close != NULL) + data->on_close(inode, file); + kfree(data->rbuffer); + kfree(data->wbuffer); + kfree(data); return 0; } @@ -5515,12 +5493,13 @@ static int airo_pci_resume(struct pci_dev *pdev) struct net_device *dev = pci_get_drvdata(pdev); struct airo_info *ai = dev->priv; Resp rsp; + pci_power_t prev_state = pdev->current_state; - pci_set_power_state(pdev, 0); + pci_set_power_state(pdev, PCI_D0); pci_restore_state(pdev); - pci_enable_wake(pdev, pci_choose_state(pdev, ai->power), 0); + pci_enable_wake(pdev, PCI_D0, 0); - if (ai->power.event > 1) { + if (prev_state != PCI_D1) { reset_card(dev, 0); mpi_init_descriptors(ai); setup_card(ai, dev->dev_addr, 0); @@ -5598,7 +5577,6 @@ static void __exit airo_cleanup_module( void ) remove_proc_entry("aironet", proc_root_driver); } -#ifdef WIRELESS_EXT /* * Initial Wireless Extension code for Aironet driver by : * Jean Tourrilhes <jt@hpl.hp.com> - HPL - 17 November 00 @@ -7107,8 +7085,6 @@ static const struct iw_handler_def airo_handler_def = .get_wireless_stats = airo_get_wireless_stats, }; -#endif /* WIRELESS_EXT */ - /* * This defines the configuration part of the Wireless Extensions * Note : irq and spinlock protection will occur in the subroutines @@ -7187,7 +7163,6 @@ static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) return rc; } -#ifdef WIRELESS_EXT /* * Get the Wireless stats out of the driver * Note : irq and spinlock protection will occur in the subroutines @@ -7260,7 +7235,6 @@ static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev) return &local->wstats; } -#endif /* WIRELESS_EXT */ #ifdef CISCO_EXT /* diff --git a/drivers/net/wireless/airo_cs.c b/drivers/net/wireless/airo_cs.c index bf25584d68d3..784de9109113 100644 --- a/drivers/net/wireless/airo_cs.c +++ b/drivers/net/wireless/airo_cs.c @@ -258,9 +258,7 @@ static void airo_detach(dev_link_t *link) /* Unlink device structure, free pieces */ *linkp = link->next; - if (link->priv) { - kfree(link->priv); - } + kfree(link->priv); kfree(link); } /* airo_detach */ diff --git a/drivers/net/wireless/airport.c b/drivers/net/wireless/airport.c index 9d496703c465..7b321f7cf358 100644 --- a/drivers/net/wireless/airport.c +++ b/drivers/net/wireless/airport.c @@ -15,28 +15,11 @@ #define PFX DRIVER_NAME ": " #include <linux/config.h> - #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> -#include <linux/ptrace.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <linux/timer.h> -#include <linux/ioport.h> -#include <linux/netdevice.h> -#include <linux/if_arp.h> -#include <linux/etherdevice.h> -#include <linux/wireless.h> - -#include <asm/io.h> -#include <asm/system.h> -#include <asm/current.h> -#include <asm/prom.h> -#include <asm/machdep.h> +#include <linux/delay.h> #include <asm/pmac_feature.h> -#include <asm/irq.h> -#include <asm/uaccess.h> #include "orinoco.h" diff --git a/drivers/net/wireless/atmel.c b/drivers/net/wireless/atmel.c index 587869d86eee..1fbe027d26b6 100644 --- a/drivers/net/wireless/atmel.c +++ b/drivers/net/wireless/atmel.c @@ -618,12 +618,12 @@ static int atmel_lock_mac(struct atmel_private *priv); static void atmel_wmem32(struct atmel_private *priv, u16 pos, u32 data); static void atmel_command_irq(struct atmel_private *priv); static int atmel_validate_channel(struct atmel_private *priv, int channel); -static void atmel_management_frame(struct atmel_private *priv, struct ieee80211_hdr *header, +static void atmel_management_frame(struct atmel_private *priv, struct ieee80211_hdr_4addr *header, u16 frame_len, u8 rssi); static void atmel_management_timer(u_long a); static void atmel_send_command(struct atmel_private *priv, int command, void *cmd, int cmd_size); static int atmel_send_command_wait(struct atmel_private *priv, int command, void *cmd, int cmd_size); -static void atmel_transmit_management_frame(struct atmel_private *priv, struct ieee80211_hdr *header, +static void atmel_transmit_management_frame(struct atmel_private *priv, struct ieee80211_hdr_4addr *header, u8 *body, int body_len); static u8 atmel_get_mib8(struct atmel_private *priv, u8 type, u8 index); @@ -827,7 +827,7 @@ static void tx_update_descriptor(struct atmel_private *priv, int is_bcast, u16 l static int start_tx (struct sk_buff *skb, struct net_device *dev) { struct atmel_private *priv = netdev_priv(dev); - struct ieee80211_hdr header; + struct ieee80211_hdr_4addr header; unsigned long flags; u16 buff, frame_ctl, len = (ETH_ZLEN < skb->len) ? skb->len : ETH_ZLEN; u8 SNAP_RFC1024[6] = {0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00}; @@ -902,7 +902,7 @@ static int start_tx (struct sk_buff *skb, struct net_device *dev) } static void atmel_transmit_management_frame(struct atmel_private *priv, - struct ieee80211_hdr *header, + struct ieee80211_hdr_4addr *header, u8 *body, int body_len) { u16 buff; @@ -917,7 +917,7 @@ static void atmel_transmit_management_frame(struct atmel_private *priv, tx_update_descriptor(priv, header->addr1[0] & 0x01, len, buff, TX_PACKET_TYPE_MGMT); } -static void fast_rx_path(struct atmel_private *priv, struct ieee80211_hdr *header, +static void fast_rx_path(struct atmel_private *priv, struct ieee80211_hdr_4addr *header, u16 msdu_size, u16 rx_packet_loc, u32 crc) { /* fast path: unfragmented packet copy directly into skbuf */ @@ -990,7 +990,7 @@ static int probe_crc(struct atmel_private *priv, u16 packet_loc, u16 msdu_size) return (crc ^ 0xffffffff) == netcrc; } -static void frag_rx_path(struct atmel_private *priv, struct ieee80211_hdr *header, +static void frag_rx_path(struct atmel_private *priv, struct ieee80211_hdr_4addr *header, u16 msdu_size, u16 rx_packet_loc, u32 crc, u16 seq_no, u8 frag_no, int more_frags) { u8 mac4[6]; @@ -1082,7 +1082,7 @@ static void frag_rx_path(struct atmel_private *priv, struct ieee80211_hdr *heade static void rx_done_irq(struct atmel_private *priv) { int i; - struct ieee80211_hdr header; + struct ieee80211_hdr_4addr header; for (i = 0; atmel_rmem8(priv, atmel_rx(priv, RX_DESC_FLAGS_OFFSET, priv->rx_desc_head)) == RX_DESC_FLAG_VALID && @@ -1653,8 +1653,7 @@ void stop_atmel_card(struct net_device *dev, int freeres) unregister_netdev(dev); remove_proc_entry("driver/atmel", NULL); free_irq(dev->irq, dev); - if (priv->firmware) - kfree(priv->firmware); + kfree(priv->firmware); if (freeres) { /* PCMCIA frees this stuff, so only for PCI */ release_region(dev->base_addr, 64); @@ -2450,8 +2449,7 @@ static int atmel_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) break; } - if (priv->firmware) - kfree(priv->firmware); + kfree(priv->firmware); priv->firmware = new_firmware; priv->firmware_length = com.len; @@ -2650,7 +2648,7 @@ static void handle_beacon_probe(struct atmel_private *priv, u16 capability, u8 c static void send_authentication_request(struct atmel_private *priv, u8 *challenge, int challenge_len) { - struct ieee80211_hdr header; + struct ieee80211_hdr_4addr header; struct auth_body auth; header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH); @@ -2688,7 +2686,7 @@ static void send_association_request(struct atmel_private *priv, int is_reassoc) { u8 *ssid_el_p; int bodysize; - struct ieee80211_hdr header; + struct ieee80211_hdr_4addr header; struct ass_req_format { u16 capability; u16 listen_interval; @@ -2738,7 +2736,7 @@ static void send_association_request(struct atmel_private *priv, int is_reassoc) atmel_transmit_management_frame(priv, &header, (void *)&body, bodysize); } -static int is_frame_from_current_bss(struct atmel_private *priv, struct ieee80211_hdr *header) +static int is_frame_from_current_bss(struct atmel_private *priv, struct ieee80211_hdr_4addr *header) { if (le16_to_cpu(header->frame_ctl) & IEEE80211_FCTL_FROMDS) return memcmp(header->addr3, priv->CurrentBSSID, 6) == 0; @@ -2788,7 +2786,7 @@ static int retrieve_bss(struct atmel_private *priv) } -static void store_bss_info(struct atmel_private *priv, struct ieee80211_hdr *header, +static void store_bss_info(struct atmel_private *priv, struct ieee80211_hdr_4addr *header, u16 capability, u16 beacon_period, u8 channel, u8 rssi, u8 ssid_len, u8 *ssid, int is_beacon) { @@ -3072,7 +3070,7 @@ static void atmel_smooth_qual(struct atmel_private *priv) } /* deals with incoming managment frames. */ -static void atmel_management_frame(struct atmel_private *priv, struct ieee80211_hdr *header, +static void atmel_management_frame(struct atmel_private *priv, struct ieee80211_hdr_4addr *header, u16 frame_len, u8 rssi) { u16 subtype; diff --git a/drivers/net/wireless/atmel_cs.c b/drivers/net/wireless/atmel_cs.c index ff031a3985b3..195cb36619e8 100644 --- a/drivers/net/wireless/atmel_cs.c +++ b/drivers/net/wireless/atmel_cs.c @@ -259,8 +259,7 @@ static void atmel_detach(dev_link_t *link) /* Unlink device structure, free pieces */ *linkp = link->next; - if (link->priv) - kfree(link->priv); + kfree(link->priv); kfree(link); } diff --git a/drivers/net/wireless/hermes.c b/drivers/net/wireless/hermes.c index 21c3d0d227e6..579480dad374 100644 --- a/drivers/net/wireless/hermes.c +++ b/drivers/net/wireless/hermes.c @@ -39,17 +39,10 @@ */ #include <linux/config.h> - #include <linux/module.h> -#include <linux/types.h> -#include <linux/threads.h> -#include <linux/smp.h> -#include <asm/io.h> -#include <linux/delay.h> -#include <linux/init.h> #include <linux/kernel.h> -#include <linux/net.h> -#include <asm/errno.h> +#include <linux/init.h> +#include <linux/delay.h> #include "hermes.h" @@ -451,6 +444,43 @@ int hermes_bap_pwrite(hermes_t *hw, int bap, const void *buf, unsigned len, return err; } +/* Write a block of data to the chip's buffer with padding if + * neccessary, via the BAP. Synchronization/serialization is the + * caller's problem. len must be even. + * + * Returns: < 0 on internal failure (errno), 0 on success, > 0 on error from firmware + */ +int hermes_bap_pwrite_pad(hermes_t *hw, int bap, const void *buf, unsigned data_len, unsigned len, + u16 id, u16 offset) +{ + int dreg = bap ? HERMES_DATA1 : HERMES_DATA0; + int err = 0; + + if (len < 0 || len % 2 || data_len > len) + return -EINVAL; + + err = hermes_bap_seek(hw, bap, id, offset); + if (err) + goto out; + + /* Transfer all the complete words of data */ + hermes_write_words(hw, dreg, buf, data_len/2); + /* If there is an odd byte left over pad and transfer it */ + if (data_len & 1) { + u8 end[2]; + end[1] = 0; + end[0] = ((unsigned char *)buf)[data_len - 1]; + hermes_write_words(hw, dreg, end, 1); + data_len ++; + } + /* Now send zeros for the padding */ + if (data_len < len) + hermes_clear_words(hw, dreg, (len - data_len) / 2); + /* Complete */ + out: + return err; +} + /* Read a Length-Type-Value record from the card. * * If length is NULL, we ignore the length read from the card, and @@ -538,6 +568,7 @@ EXPORT_SYMBOL(hermes_allocate); EXPORT_SYMBOL(hermes_bap_pread); EXPORT_SYMBOL(hermes_bap_pwrite); +EXPORT_SYMBOL(hermes_bap_pwrite_pad); EXPORT_SYMBOL(hermes_read_ltv); EXPORT_SYMBOL(hermes_write_ltv); diff --git a/drivers/net/wireless/hermes.h b/drivers/net/wireless/hermes.h index 8c9e874c9118..a6bd472d75d4 100644 --- a/drivers/net/wireless/hermes.h +++ b/drivers/net/wireless/hermes.h @@ -30,9 +30,8 @@ * access to the hermes_t structure, and to the hardware */ -#include <linux/delay.h> #include <linux/if_ether.h> -#include <asm/byteorder.h> +#include <asm/io.h> /* * Limits and constants @@ -192,13 +191,13 @@ #define HERMES_RXSTAT_WMP (0x6000) /* Wavelan-II Management Protocol frame */ struct hermes_tx_descriptor { - u16 status; - u16 reserved1; - u16 reserved2; - u32 sw_support; + __le16 status; + __le16 reserved1; + __le16 reserved2; + __le32 sw_support; u8 retry_count; u8 tx_rate; - u16 tx_control; + __le16 tx_control; } __attribute__ ((packed)); #define HERMES_TXSTAT_RETRYERR (0x0001) @@ -222,60 +221,60 @@ struct hermes_tx_descriptor { #define HERMES_INQ_SEC_STAT_AGERE (0xF202) struct hermes_tallies_frame { - u16 TxUnicastFrames; - u16 TxMulticastFrames; - u16 TxFragments; - u16 TxUnicastOctets; - u16 TxMulticastOctets; - u16 TxDeferredTransmissions; - u16 TxSingleRetryFrames; - u16 TxMultipleRetryFrames; - u16 TxRetryLimitExceeded; - u16 TxDiscards; - u16 RxUnicastFrames; - u16 RxMulticastFrames; - u16 RxFragments; - u16 RxUnicastOctets; - u16 RxMulticastOctets; - u16 RxFCSErrors; - u16 RxDiscards_NoBuffer; - u16 TxDiscardsWrongSA; - u16 RxWEPUndecryptable; - u16 RxMsgInMsgFragments; - u16 RxMsgInBadMsgFragments; + __le16 TxUnicastFrames; + __le16 TxMulticastFrames; + __le16 TxFragments; + __le16 TxUnicastOctets; + __le16 TxMulticastOctets; + __le16 TxDeferredTransmissions; + __le16 TxSingleRetryFrames; + __le16 TxMultipleRetryFrames; + __le16 TxRetryLimitExceeded; + __le16 TxDiscards; + __le16 RxUnicastFrames; + __le16 RxMulticastFrames; + __le16 RxFragments; + __le16 RxUnicastOctets; + __le16 RxMulticastOctets; + __le16 RxFCSErrors; + __le16 RxDiscards_NoBuffer; + __le16 TxDiscardsWrongSA; + __le16 RxWEPUndecryptable; + __le16 RxMsgInMsgFragments; + __le16 RxMsgInBadMsgFragments; /* Those last are probably not available in very old firmwares */ - u16 RxDiscards_WEPICVError; - u16 RxDiscards_WEPExcluded; + __le16 RxDiscards_WEPICVError; + __le16 RxDiscards_WEPExcluded; } __attribute__ ((packed)); /* Grabbed from wlan-ng - Thanks Mark... - Jean II * This is the result of a scan inquiry command */ /* Structure describing info about an Access Point */ struct prism2_scan_apinfo { - u16 channel; /* Channel where the AP sits */ - u16 noise; /* Noise level */ - u16 level; /* Signal level */ + __le16 channel; /* Channel where the AP sits */ + __le16 noise; /* Noise level */ + __le16 level; /* Signal level */ u8 bssid[ETH_ALEN]; /* MAC address of the Access Point */ - u16 beacon_interv; /* Beacon interval */ - u16 capabilities; /* Capabilities */ - u16 essid_len; /* ESSID length */ + __le16 beacon_interv; /* Beacon interval */ + __le16 capabilities; /* Capabilities */ + __le16 essid_len; /* ESSID length */ u8 essid[32]; /* ESSID of the network */ u8 rates[10]; /* Bit rate supported */ - u16 proberesp_rate; /* Data rate of the response frame */ - u16 atim; /* ATIM window time, Kus (hostscan only) */ + __le16 proberesp_rate; /* Data rate of the response frame */ + __le16 atim; /* ATIM window time, Kus (hostscan only) */ } __attribute__ ((packed)); /* Same stuff for the Lucent/Agere card. * Thanks to h1kari <h1kari AT dachb0den.com> - Jean II */ struct agere_scan_apinfo { - u16 channel; /* Channel where the AP sits */ - u16 noise; /* Noise level */ - u16 level; /* Signal level */ + __le16 channel; /* Channel where the AP sits */ + __le16 noise; /* Noise level */ + __le16 level; /* Signal level */ u8 bssid[ETH_ALEN]; /* MAC address of the Access Point */ - u16 beacon_interv; /* Beacon interval */ - u16 capabilities; /* Capabilities */ + __le16 beacon_interv; /* Beacon interval */ + __le16 capabilities; /* Capabilities */ /* bits: 0-ess, 1-ibss, 4-privacy [wep] */ - u16 essid_len; /* ESSID length */ + __le16 essid_len; /* ESSID length */ u8 essid[32]; /* ESSID of the network */ } __attribute__ ((packed)); @@ -283,16 +282,16 @@ struct agere_scan_apinfo { struct symbol_scan_apinfo { u8 channel; /* Channel where the AP sits */ u8 unknown1; /* 8 in 2.9x and 3.9x f/w, 0 otherwise */ - u16 noise; /* Noise level */ - u16 level; /* Signal level */ + __le16 noise; /* Noise level */ + __le16 level; /* Signal level */ u8 bssid[ETH_ALEN]; /* MAC address of the Access Point */ - u16 beacon_interv; /* Beacon interval */ - u16 capabilities; /* Capabilities */ + __le16 beacon_interv; /* Beacon interval */ + __le16 capabilities; /* Capabilities */ /* bits: 0-ess, 1-ibss, 4-privacy [wep] */ - u16 essid_len; /* ESSID length */ + __le16 essid_len; /* ESSID length */ u8 essid[32]; /* ESSID of the network */ - u16 rates[5]; /* Bit rate supported */ - u16 basic_rates; /* Basic rates bitmask */ + __le16 rates[5]; /* Bit rate supported */ + __le16 basic_rates; /* Basic rates bitmask */ u8 unknown2[6]; /* Always FF:FF:FF:FF:00:00 */ u8 unknown3[8]; /* Always 0, appeared in f/w 3.91-68 */ } __attribute__ ((packed)); @@ -312,7 +311,7 @@ union hermes_scan_info { #define HERMES_LINKSTATUS_ASSOC_FAILED (0x0006) struct hermes_linkstatus { - u16 linkstatus; /* Link status */ + __le16 linkstatus; /* Link status */ } __attribute__ ((packed)); struct hermes_response { @@ -321,8 +320,8 @@ struct hermes_response { /* "ID" structure - used for ESSID and station nickname */ struct hermes_idstring { - u16 len; - u16 val[16]; + __le16 len; + __le16 val[16]; } __attribute__ ((packed)); struct hermes_multicast { @@ -377,6 +376,8 @@ int hermes_bap_pread(hermes_t *hw, int bap, void *buf, unsigned len, u16 id, u16 offset); int hermes_bap_pwrite(hermes_t *hw, int bap, const void *buf, unsigned len, u16 id, u16 offset); +int hermes_bap_pwrite_pad(hermes_t *hw, int bap, const void *buf, + unsigned data_len, unsigned len, u16 id, u16 offset); int hermes_read_ltv(hermes_t *hw, int bap, u16 rid, unsigned buflen, u16 *length, void *buf); int hermes_write_ltv(hermes_t *hw, int bap, u16 rid, @@ -447,7 +448,7 @@ static inline void hermes_clear_words(struct hermes *hw, int off, unsigned count static inline int hermes_read_wordrec(hermes_t *hw, int bap, u16 rid, u16 *word) { - u16 rec; + __le16 rec; int err; err = HERMES_READ_RECORD(hw, bap, rid, &rec); @@ -457,7 +458,7 @@ static inline int hermes_read_wordrec(hermes_t *hw, int bap, u16 rid, u16 *word) static inline int hermes_write_wordrec(hermes_t *hw, int bap, u16 rid, u16 word) { - u16 rec = cpu_to_le16(word); + __le16 rec = cpu_to_le16(word); return HERMES_WRITE_RECORD(hw, bap, rid, &rec); } diff --git a/drivers/net/wireless/hostap/hostap.c b/drivers/net/wireless/hostap/hostap.c index e7f5821b4942..6a96cd9f2685 100644 --- a/drivers/net/wireless/hostap/hostap.c +++ b/drivers/net/wireless/hostap/hostap.c @@ -716,9 +716,6 @@ static int prism2_close(struct net_device *dev) hostap_deauth_all_stas(dev, local->ap, 1); #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ - if (local->func->dev_close && local->func->dev_close(local)) - return 0; - if (dev == local->dev) { local->func->hw_shutdown(dev, HOSTAP_HW_ENABLE_CMDCOMPL); } @@ -766,9 +763,6 @@ static int prism2_open(struct net_device *dev) local->hw_downloading) return -ENODEV; - if (local->func->dev_open && local->func->dev_open(local)) - return 1; - if (!try_module_get(local->hw_module)) return -ENODEV; local->num_dev_open++; diff --git a/drivers/net/wireless/hostap/hostap_80211_rx.c b/drivers/net/wireless/hostap/hostap_80211_rx.c index b0501243b175..ffac50899454 100644 --- a/drivers/net/wireless/hostap/hostap_80211_rx.c +++ b/drivers/net/wireless/hostap/hostap_80211_rx.c @@ -6,10 +6,10 @@ void hostap_dump_rx_80211(const char *name, struct sk_buff *skb, struct hostap_80211_rx_status *rx_stats) { - struct ieee80211_hdr *hdr; + struct ieee80211_hdr_4addr *hdr; u16 fc; - hdr = (struct ieee80211_hdr *) skb->data; + hdr = (struct ieee80211_hdr_4addr *) skb->data; printk(KERN_DEBUG "%s: RX signal=%d noise=%d rate=%d len=%d " "jiffies=%ld\n", @@ -51,7 +51,7 @@ int prism2_rx_80211(struct net_device *dev, struct sk_buff *skb, int hdrlen, phdrlen, head_need, tail_need; u16 fc; int prism_header, ret; - struct ieee80211_hdr *hdr; + struct ieee80211_hdr_4addr *hdr; iface = netdev_priv(dev); local = iface->local; @@ -70,7 +70,7 @@ int prism2_rx_80211(struct net_device *dev, struct sk_buff *skb, phdrlen = 0; } - hdr = (struct ieee80211_hdr *) skb->data; + hdr = (struct ieee80211_hdr_4addr *) skb->data; fc = le16_to_cpu(hdr->frame_ctl); if (type == PRISM2_RX_MGMT && (fc & IEEE80211_FCTL_VERS)) { @@ -215,7 +215,7 @@ prism2_frag_cache_find(local_info_t *local, unsigned int seq, /* Called only as a tasklet (software IRQ) */ static struct sk_buff * -prism2_frag_cache_get(local_info_t *local, struct ieee80211_hdr *hdr) +prism2_frag_cache_get(local_info_t *local, struct ieee80211_hdr_4addr *hdr) { struct sk_buff *skb = NULL; u16 sc; @@ -229,7 +229,7 @@ prism2_frag_cache_get(local_info_t *local, struct ieee80211_hdr *hdr) if (frag == 0) { /* Reserve enough space to fit maximum frame length */ skb = dev_alloc_skb(local->dev->mtu + - sizeof(struct ieee80211_hdr) + + sizeof(struct ieee80211_hdr_4addr) + 8 /* LLC */ + 2 /* alignment */ + 8 /* WEP */ + ETH_ALEN /* WDS */); @@ -267,7 +267,7 @@ prism2_frag_cache_get(local_info_t *local, struct ieee80211_hdr *hdr) /* Called only as a tasklet (software IRQ) */ static int prism2_frag_cache_invalidate(local_info_t *local, - struct ieee80211_hdr *hdr) + struct ieee80211_hdr_4addr *hdr) { u16 sc; unsigned int seq; @@ -441,7 +441,7 @@ hostap_rx_frame_mgmt(local_info_t *local, struct sk_buff *skb, u16 stype) { if (local->iw_mode == IW_MODE_MASTER) { - hostap_update_sta_ps(local, (struct ieee80211_hdr *) + hostap_update_sta_ps(local, (struct ieee80211_hdr_4addr *) skb->data); } @@ -520,7 +520,7 @@ static inline struct net_device *prism2_rx_get_wds(local_info_t *local, static inline int -hostap_rx_frame_wds(local_info_t *local, struct ieee80211_hdr *hdr, +hostap_rx_frame_wds(local_info_t *local, struct ieee80211_hdr_4addr *hdr, u16 fc, struct net_device **wds) { /* FIX: is this really supposed to accept WDS frames only in Master @@ -579,13 +579,13 @@ static int hostap_is_eapol_frame(local_info_t *local, struct sk_buff *skb) { struct net_device *dev = local->dev; u16 fc, ethertype; - struct ieee80211_hdr *hdr; + struct ieee80211_hdr_4addr *hdr; u8 *pos; if (skb->len < 24) return 0; - hdr = (struct ieee80211_hdr *) skb->data; + hdr = (struct ieee80211_hdr_4addr *) skb->data; fc = le16_to_cpu(hdr->frame_ctl); /* check that the frame is unicast frame to us */ @@ -619,13 +619,13 @@ static inline int hostap_rx_frame_decrypt(local_info_t *local, struct sk_buff *skb, struct ieee80211_crypt_data *crypt) { - struct ieee80211_hdr *hdr; + struct ieee80211_hdr_4addr *hdr; int res, hdrlen; if (crypt == NULL || crypt->ops->decrypt_mpdu == NULL) return 0; - hdr = (struct ieee80211_hdr *) skb->data; + hdr = (struct ieee80211_hdr_4addr *) skb->data; hdrlen = hostap_80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl)); if (local->tkip_countermeasures && @@ -658,13 +658,13 @@ static inline int hostap_rx_frame_decrypt_msdu(local_info_t *local, struct sk_buff *skb, int keyidx, struct ieee80211_crypt_data *crypt) { - struct ieee80211_hdr *hdr; + struct ieee80211_hdr_4addr *hdr; int res, hdrlen; if (crypt == NULL || crypt->ops->decrypt_msdu == NULL) return 0; - hdr = (struct ieee80211_hdr *) skb->data; + hdr = (struct ieee80211_hdr_4addr *) skb->data; hdrlen = hostap_80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl)); atomic_inc(&crypt->refcnt); @@ -689,7 +689,7 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb, { struct hostap_interface *iface; local_info_t *local; - struct ieee80211_hdr *hdr; + struct ieee80211_hdr_4addr *hdr; size_t hdrlen; u16 fc, type, stype, sc; struct net_device *wds = NULL; @@ -716,7 +716,7 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb, dev = local->ddev; iface = netdev_priv(dev); - hdr = (struct ieee80211_hdr *) skb->data; + hdr = (struct ieee80211_hdr_4addr *) skb->data; stats = hostap_get_stats(dev); if (skb->len < 10) @@ -737,7 +737,8 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb, struct iw_quality wstats; wstats.level = rx_stats->signal; wstats.noise = rx_stats->noise; - wstats.updated = 6; /* No qual value */ + wstats.updated = IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_UPDATED + | IW_QUAL_QUAL_INVALID | IW_QUAL_DBM; /* Update spy records */ wireless_spy_update(dev, hdr->addr2, &wstats); } @@ -889,7 +890,7 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb, if (local->host_decrypt && (fc & IEEE80211_FCTL_PROTECTED) && (keyidx = hostap_rx_frame_decrypt(local, skb, crypt)) < 0) goto rx_dropped; - hdr = (struct ieee80211_hdr *) skb->data; + hdr = (struct ieee80211_hdr_4addr *) skb->data; /* skb: hdr + (possibly fragmented) plaintext payload */ @@ -941,7 +942,7 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb, /* this was the last fragment and the frame will be * delivered, so remove skb from fragment cache */ skb = frag_skb; - hdr = (struct ieee80211_hdr *) skb->data; + hdr = (struct ieee80211_hdr_4addr *) skb->data; prism2_frag_cache_invalidate(local, hdr); } @@ -952,7 +953,7 @@ void hostap_80211_rx(struct net_device *dev, struct sk_buff *skb, hostap_rx_frame_decrypt_msdu(local, skb, keyidx, crypt)) goto rx_dropped; - hdr = (struct ieee80211_hdr *) skb->data; + hdr = (struct ieee80211_hdr_4addr *) skb->data; if (crypt && !(fc & IEEE80211_FCTL_PROTECTED) && !local->open_wep) { if (local->ieee_802_1x && hostap_is_eapol_frame(local, skb)) { diff --git a/drivers/net/wireless/hostap/hostap_80211_tx.c b/drivers/net/wireless/hostap/hostap_80211_tx.c index 6358015f6526..9d24f8a38ac5 100644 --- a/drivers/net/wireless/hostap/hostap_80211_tx.c +++ b/drivers/net/wireless/hostap/hostap_80211_tx.c @@ -1,9 +1,9 @@ void hostap_dump_tx_80211(const char *name, struct sk_buff *skb) { - struct ieee80211_hdr *hdr; + struct ieee80211_hdr_4addr *hdr; u16 fc; - hdr = (struct ieee80211_hdr *) skb->data; + hdr = (struct ieee80211_hdr_4addr *) skb->data; printk(KERN_DEBUG "%s: TX len=%d jiffies=%ld\n", name, skb->len, jiffies); @@ -41,7 +41,7 @@ int hostap_data_start_xmit(struct sk_buff *skb, struct net_device *dev) struct hostap_interface *iface; local_info_t *local; int need_headroom, need_tailroom = 0; - struct ieee80211_hdr hdr; + struct ieee80211_hdr_4addr hdr; u16 fc, ethertype = 0; enum { WDS_NO = 0, WDS_OWN_FRAME, WDS_COMPLIANT_FRAME @@ -244,7 +244,7 @@ int hostap_mgmt_start_xmit(struct sk_buff *skb, struct net_device *dev) struct hostap_interface *iface; local_info_t *local; struct hostap_skb_tx_data *meta; - struct ieee80211_hdr *hdr; + struct ieee80211_hdr_4addr *hdr; u16 fc; iface = netdev_priv(dev); @@ -266,7 +266,7 @@ int hostap_mgmt_start_xmit(struct sk_buff *skb, struct net_device *dev) meta->iface = iface; if (skb->len >= IEEE80211_DATA_HDR3_LEN + sizeof(rfc1042_header) + 2) { - hdr = (struct ieee80211_hdr *) skb->data; + hdr = (struct ieee80211_hdr_4addr *) skb->data; fc = le16_to_cpu(hdr->frame_ctl); if (WLAN_FC_GET_TYPE(fc) == IEEE80211_FTYPE_DATA && WLAN_FC_GET_STYPE(fc) == IEEE80211_STYPE_DATA) { @@ -289,7 +289,7 @@ struct sk_buff * hostap_tx_encrypt(struct sk_buff *skb, { struct hostap_interface *iface; local_info_t *local; - struct ieee80211_hdr *hdr; + struct ieee80211_hdr_4addr *hdr; u16 fc; int hdr_len, res; @@ -303,7 +303,7 @@ struct sk_buff * hostap_tx_encrypt(struct sk_buff *skb, if (local->tkip_countermeasures && crypt && crypt->ops && strcmp(crypt->ops->name, "TKIP") == 0) { - hdr = (struct ieee80211_hdr *) skb->data; + hdr = (struct ieee80211_hdr_4addr *) skb->data; if (net_ratelimit()) { printk(KERN_DEBUG "%s: TKIP countermeasures: dropped " "TX packet to " MACSTR "\n", @@ -317,15 +317,15 @@ struct sk_buff * hostap_tx_encrypt(struct sk_buff *skb, if (skb == NULL) return NULL; - if ((skb_headroom(skb) < crypt->ops->extra_prefix_len || - skb_tailroom(skb) < crypt->ops->extra_postfix_len) && - pskb_expand_head(skb, crypt->ops->extra_prefix_len, - crypt->ops->extra_postfix_len, GFP_ATOMIC)) { + if ((skb_headroom(skb) < crypt->ops->extra_mpdu_prefix_len || + skb_tailroom(skb) < crypt->ops->extra_mpdu_postfix_len) && + pskb_expand_head(skb, crypt->ops->extra_mpdu_prefix_len, + crypt->ops->extra_mpdu_postfix_len, GFP_ATOMIC)) { kfree_skb(skb); return NULL; } - hdr = (struct ieee80211_hdr *) skb->data; + hdr = (struct ieee80211_hdr_4addr *) skb->data; fc = le16_to_cpu(hdr->frame_ctl); hdr_len = hostap_80211_get_hdrlen(fc); @@ -360,7 +360,7 @@ int hostap_master_start_xmit(struct sk_buff *skb, struct net_device *dev) ap_tx_ret tx_ret; struct hostap_skb_tx_data *meta; int no_encrypt = 0; - struct ieee80211_hdr *hdr; + struct ieee80211_hdr_4addr *hdr; iface = netdev_priv(dev); local = iface->local; @@ -403,7 +403,7 @@ int hostap_master_start_xmit(struct sk_buff *skb, struct net_device *dev) tx_ret = hostap_handle_sta_tx(local, &tx); skb = tx.skb; meta = (struct hostap_skb_tx_data *) skb->cb; - hdr = (struct ieee80211_hdr *) skb->data; + hdr = (struct ieee80211_hdr_4addr *) skb->data; fc = le16_to_cpu(hdr->frame_ctl); switch (tx_ret) { case AP_TX_CONTINUE: diff --git a/drivers/net/wireless/hostap/hostap_ap.c b/drivers/net/wireless/hostap/hostap_ap.c index 930cef8367f2..9da94ab7f05f 100644 --- a/drivers/net/wireless/hostap/hostap_ap.c +++ b/drivers/net/wireless/hostap/hostap_ap.c @@ -591,14 +591,14 @@ static void hostap_ap_tx_cb(struct sk_buff *skb, int ok, void *data) { struct ap_data *ap = data; u16 fc; - struct ieee80211_hdr *hdr; + struct ieee80211_hdr_4addr *hdr; if (!ap->local->hostapd || !ap->local->apdev) { dev_kfree_skb(skb); return; } - hdr = (struct ieee80211_hdr *) skb->data; + hdr = (struct ieee80211_hdr_4addr *) skb->data; fc = le16_to_cpu(hdr->frame_ctl); /* Pass the TX callback frame to the hostapd; use 802.11 header version @@ -623,7 +623,7 @@ static void hostap_ap_tx_cb_auth(struct sk_buff *skb, int ok, void *data) { struct ap_data *ap = data; struct net_device *dev = ap->local->dev; - struct ieee80211_hdr *hdr; + struct ieee80211_hdr_4addr *hdr; u16 fc, *pos, auth_alg, auth_transaction, status; struct sta_info *sta = NULL; char *txt = NULL; @@ -633,7 +633,7 @@ static void hostap_ap_tx_cb_auth(struct sk_buff *skb, int ok, void *data) return; } - hdr = (struct ieee80211_hdr *) skb->data; + hdr = (struct ieee80211_hdr_4addr *) skb->data; fc = le16_to_cpu(hdr->frame_ctl); if (WLAN_FC_GET_TYPE(fc) != IEEE80211_FTYPE_MGMT || WLAN_FC_GET_STYPE(fc) != IEEE80211_STYPE_AUTH || @@ -692,7 +692,7 @@ static void hostap_ap_tx_cb_assoc(struct sk_buff *skb, int ok, void *data) { struct ap_data *ap = data; struct net_device *dev = ap->local->dev; - struct ieee80211_hdr *hdr; + struct ieee80211_hdr_4addr *hdr; u16 fc, *pos, status; struct sta_info *sta = NULL; char *txt = NULL; @@ -702,7 +702,7 @@ static void hostap_ap_tx_cb_assoc(struct sk_buff *skb, int ok, void *data) return; } - hdr = (struct ieee80211_hdr *) skb->data; + hdr = (struct ieee80211_hdr_4addr *) skb->data; fc = le16_to_cpu(hdr->frame_ctl); if (WLAN_FC_GET_TYPE(fc) != IEEE80211_FTYPE_MGMT || (WLAN_FC_GET_STYPE(fc) != IEEE80211_STYPE_ASSOC_RESP && @@ -757,12 +757,12 @@ static void hostap_ap_tx_cb_assoc(struct sk_buff *skb, int ok, void *data) static void hostap_ap_tx_cb_poll(struct sk_buff *skb, int ok, void *data) { struct ap_data *ap = data; - struct ieee80211_hdr *hdr; + struct ieee80211_hdr_4addr *hdr; struct sta_info *sta; if (skb->len < 24) goto fail; - hdr = (struct ieee80211_hdr *) skb->data; + hdr = (struct ieee80211_hdr_4addr *) skb->data; if (ok) { spin_lock(&ap->sta_table_lock); sta = ap_get_sta(ap, hdr->addr1); @@ -918,7 +918,7 @@ static void prism2_send_mgmt(struct net_device *dev, { struct hostap_interface *iface; local_info_t *local; - struct ieee80211_hdr *hdr; + struct ieee80211_hdr_4addr *hdr; u16 fc; struct sk_buff *skb; struct hostap_skb_tx_data *meta; @@ -944,7 +944,7 @@ static void prism2_send_mgmt(struct net_device *dev, fc = type_subtype; hdrlen = hostap_80211_get_hdrlen(fc); - hdr = (struct ieee80211_hdr *) skb_put(skb, hdrlen); + hdr = (struct ieee80211_hdr_4addr *) skb_put(skb, hdrlen); if (body) memcpy(skb_put(skb, body_len), body, body_len); @@ -1256,14 +1256,14 @@ static char * ap_auth_make_challenge(struct ap_data *ap) } skb = dev_alloc_skb(WLAN_AUTH_CHALLENGE_LEN + - ap->crypt->extra_prefix_len + - ap->crypt->extra_postfix_len); + ap->crypt->extra_mpdu_prefix_len + + ap->crypt->extra_mpdu_postfix_len); if (skb == NULL) { kfree(tmpbuf); return NULL; } - skb_reserve(skb, ap->crypt->extra_prefix_len); + skb_reserve(skb, ap->crypt->extra_mpdu_prefix_len); memset(skb_put(skb, WLAN_AUTH_CHALLENGE_LEN), 0, WLAN_AUTH_CHALLENGE_LEN); if (ap->crypt->encrypt_mpdu(skb, 0, ap->crypt_priv)) { @@ -1272,7 +1272,7 @@ static char * ap_auth_make_challenge(struct ap_data *ap) return NULL; } - memcpy(tmpbuf, skb->data + ap->crypt->extra_prefix_len, + memcpy(tmpbuf, skb->data + ap->crypt->extra_mpdu_prefix_len, WLAN_AUTH_CHALLENGE_LEN); dev_kfree_skb(skb); @@ -1285,7 +1285,7 @@ static void handle_authen(local_info_t *local, struct sk_buff *skb, struct hostap_80211_rx_status *rx_stats) { struct net_device *dev = local->dev; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; + struct ieee80211_hdr_4addr *hdr = (struct ieee80211_hdr_4addr *) skb->data; size_t hdrlen; struct ap_data *ap = local->ap; char body[8 + WLAN_AUTH_CHALLENGE_LEN], *challenge = NULL; @@ -1498,7 +1498,7 @@ static void handle_assoc(local_info_t *local, struct sk_buff *skb, struct hostap_80211_rx_status *rx_stats, int reassoc) { struct net_device *dev = local->dev; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; + struct ieee80211_hdr_4addr *hdr = (struct ieee80211_hdr_4addr *) skb->data; char body[12], *p, *lpos; int len, left; u16 *pos; @@ -1705,7 +1705,7 @@ static void handle_deauth(local_info_t *local, struct sk_buff *skb, struct hostap_80211_rx_status *rx_stats) { struct net_device *dev = local->dev; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; + struct ieee80211_hdr_4addr *hdr = (struct ieee80211_hdr_4addr *) skb->data; char *body = (char *) (skb->data + IEEE80211_MGMT_HDR_LEN); int len; u16 reason_code, *pos; @@ -1746,7 +1746,7 @@ static void handle_disassoc(local_info_t *local, struct sk_buff *skb, struct hostap_80211_rx_status *rx_stats) { struct net_device *dev = local->dev; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; + struct ieee80211_hdr_4addr *hdr = (struct ieee80211_hdr_4addr *) skb->data; char *body = skb->data + IEEE80211_MGMT_HDR_LEN; int len; u16 reason_code, *pos; @@ -1784,7 +1784,7 @@ static void handle_disassoc(local_info_t *local, struct sk_buff *skb, /* Called only as a scheduled task for pending AP frames. */ static void ap_handle_data_nullfunc(local_info_t *local, - struct ieee80211_hdr *hdr) + struct ieee80211_hdr_4addr *hdr) { struct net_device *dev = local->dev; @@ -1801,7 +1801,7 @@ static void ap_handle_data_nullfunc(local_info_t *local, /* Called only as a scheduled task for pending AP frames. */ static void ap_handle_dropped_data(local_info_t *local, - struct ieee80211_hdr *hdr) + struct ieee80211_hdr_4addr *hdr) { struct net_device *dev = local->dev; struct sta_info *sta; @@ -1860,7 +1860,7 @@ static void pspoll_send_buffered(local_info_t *local, struct sta_info *sta, /* Called only as a scheduled task for pending AP frames. */ static void handle_pspoll(local_info_t *local, - struct ieee80211_hdr *hdr, + struct ieee80211_hdr_4addr *hdr, struct hostap_80211_rx_status *rx_stats) { struct net_device *dev = local->dev; @@ -1979,7 +1979,7 @@ static void handle_wds_oper_queue(void *data) static void handle_beacon(local_info_t *local, struct sk_buff *skb, struct hostap_80211_rx_status *rx_stats) { - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; + struct ieee80211_hdr_4addr *hdr = (struct ieee80211_hdr_4addr *) skb->data; char *body = skb->data + IEEE80211_MGMT_HDR_LEN; int len, left; u16 *pos, beacon_int, capability; @@ -2137,11 +2137,11 @@ static void handle_ap_item(local_info_t *local, struct sk_buff *skb, struct net_device *dev = local->dev; #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ u16 fc, type, stype; - struct ieee80211_hdr *hdr; + struct ieee80211_hdr_4addr *hdr; /* FIX: should give skb->len to handler functions and check that the * buffer is long enough */ - hdr = (struct ieee80211_hdr *) skb->data; + hdr = (struct ieee80211_hdr_4addr *) skb->data; fc = le16_to_cpu(hdr->frame_ctl); type = WLAN_FC_GET_TYPE(fc); stype = WLAN_FC_GET_STYPE(fc); @@ -2258,7 +2258,7 @@ void hostap_rx(struct net_device *dev, struct sk_buff *skb, struct hostap_interface *iface; local_info_t *local; u16 fc; - struct ieee80211_hdr *hdr; + struct ieee80211_hdr_4addr *hdr; iface = netdev_priv(dev); local = iface->local; @@ -2268,7 +2268,7 @@ void hostap_rx(struct net_device *dev, struct sk_buff *skb, local->stats.rx_packets++; - hdr = (struct ieee80211_hdr *) skb->data; + hdr = (struct ieee80211_hdr_4addr *) skb->data; fc = le16_to_cpu(hdr->frame_ctl); if (local->ap->ap_policy == AP_OTHER_AP_SKIP_ALL && @@ -2289,7 +2289,7 @@ void hostap_rx(struct net_device *dev, struct sk_buff *skb, static void schedule_packet_send(local_info_t *local, struct sta_info *sta) { struct sk_buff *skb; - struct ieee80211_hdr *hdr; + struct ieee80211_hdr_4addr *hdr; struct hostap_80211_rx_status rx_stats; if (skb_queue_empty(&sta->tx_buf)) @@ -2302,7 +2302,7 @@ static void schedule_packet_send(local_info_t *local, struct sta_info *sta) return; } - hdr = (struct ieee80211_hdr *) skb_put(skb, 16); + hdr = (struct ieee80211_hdr_4addr *) skb_put(skb, 16); /* Generate a fake pspoll frame to start packet delivery */ hdr->frame_ctl = __constant_cpu_to_le16( @@ -2349,7 +2349,7 @@ static int prism2_ap_get_sta_qual(local_info_t *local, struct sockaddr addr[], qual[count].noise = HFA384X_LEVEL_TO_dBm(sta->last_rx_silence); qual[count].updated = sta->last_rx_updated; - sta->last_rx_updated = 0; + sta->last_rx_updated = IW_QUAL_DBM; count++; if (count >= buf_size) @@ -2467,7 +2467,7 @@ static int prism2_ap_translate_scan(struct net_device *dev, char *buffer) } #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ - sta->last_rx_updated = 0; + sta->last_rx_updated = IW_QUAL_DBM; /* To be continued, we should make good use of IWEVCUSTOM */ } @@ -2685,7 +2685,7 @@ ap_tx_ret hostap_handle_sta_tx(local_info_t *local, struct hostap_tx_data *tx) struct sta_info *sta = NULL; struct sk_buff *skb = tx->skb; int set_tim, ret; - struct ieee80211_hdr *hdr; + struct ieee80211_hdr_4addr *hdr; struct hostap_skb_tx_data *meta; meta = (struct hostap_skb_tx_data *) skb->cb; @@ -2694,7 +2694,7 @@ ap_tx_ret hostap_handle_sta_tx(local_info_t *local, struct hostap_tx_data *tx) meta->iface->type == HOSTAP_INTERFACE_STA) goto out; - hdr = (struct ieee80211_hdr *) skb->data; + hdr = (struct ieee80211_hdr_4addr *) skb->data; if (hdr->addr1[0] & 0x01) { /* broadcast/multicast frame - no AP related processing */ @@ -2821,10 +2821,10 @@ void hostap_handle_sta_release(void *ptr) void hostap_handle_sta_tx_exc(local_info_t *local, struct sk_buff *skb) { struct sta_info *sta; - struct ieee80211_hdr *hdr; + struct ieee80211_hdr_4addr *hdr; struct hostap_skb_tx_data *meta; - hdr = (struct ieee80211_hdr *) skb->data; + hdr = (struct ieee80211_hdr_4addr *) skb->data; meta = (struct hostap_skb_tx_data *) skb->cb; spin_lock(&local->ap->sta_table_lock); @@ -2892,7 +2892,7 @@ static void hostap_update_sta_ps2(local_info_t *local, struct sta_info *sta, /* Called only as a tasklet (software IRQ). Called for each RX frame to update * STA power saving state. pwrmgt is a flag from 802.11 frame_ctl field. */ -int hostap_update_sta_ps(local_info_t *local, struct ieee80211_hdr *hdr) +int hostap_update_sta_ps(local_info_t *local, struct ieee80211_hdr_4addr *hdr) { struct sta_info *sta; u16 fc; @@ -2925,12 +2925,12 @@ ap_rx_ret hostap_handle_sta_rx(local_info_t *local, struct net_device *dev, int ret; struct sta_info *sta; u16 fc, type, stype; - struct ieee80211_hdr *hdr; + struct ieee80211_hdr_4addr *hdr; if (local->ap == NULL) return AP_RX_CONTINUE; - hdr = (struct ieee80211_hdr *) skb->data; + hdr = (struct ieee80211_hdr_4addr *) skb->data; fc = le16_to_cpu(hdr->frame_ctl); type = WLAN_FC_GET_TYPE(fc); @@ -3058,7 +3058,7 @@ ap_rx_ret hostap_handle_sta_rx(local_info_t *local, struct net_device *dev, /* Called only as a tasklet (software IRQ) */ int hostap_handle_sta_crypto(local_info_t *local, - struct ieee80211_hdr *hdr, + struct ieee80211_hdr_4addr *hdr, struct ieee80211_crypt_data **crypt, void **sta_ptr) { @@ -3160,7 +3160,7 @@ int hostap_add_sta(struct ap_data *ap, u8 *sta_addr) /* Called only as a tasklet (software IRQ) */ int hostap_update_rx_stats(struct ap_data *ap, - struct ieee80211_hdr *hdr, + struct ieee80211_hdr_4addr *hdr, struct hostap_80211_rx_status *rx_stats) { struct sta_info *sta; @@ -3174,7 +3174,7 @@ int hostap_update_rx_stats(struct ap_data *ap, sta->last_rx_silence = rx_stats->noise; sta->last_rx_signal = rx_stats->signal; sta->last_rx_rate = rx_stats->rate; - sta->last_rx_updated = 7; + sta->last_rx_updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM; if (rx_stats->rate == 10) sta->rx_count[0]++; else if (rx_stats->rate == 20) diff --git a/drivers/net/wireless/hostap/hostap_ap.h b/drivers/net/wireless/hostap/hostap_ap.h index 816a52bcea8f..6d00df69c2e3 100644 --- a/drivers/net/wireless/hostap/hostap_ap.h +++ b/drivers/net/wireless/hostap/hostap_ap.h @@ -233,7 +233,7 @@ struct hostap_tx_data { ap_tx_ret hostap_handle_sta_tx(local_info_t *local, struct hostap_tx_data *tx); void hostap_handle_sta_release(void *ptr); void hostap_handle_sta_tx_exc(local_info_t *local, struct sk_buff *skb); -int hostap_update_sta_ps(local_info_t *local, struct ieee80211_hdr *hdr); +int hostap_update_sta_ps(local_info_t *local, struct ieee80211_hdr_4addr *hdr); typedef enum { AP_RX_CONTINUE, AP_RX_DROP, AP_RX_EXIT, AP_RX_CONTINUE_NOT_AUTHORIZED } ap_rx_ret; @@ -241,13 +241,13 @@ ap_rx_ret hostap_handle_sta_rx(local_info_t *local, struct net_device *dev, struct sk_buff *skb, struct hostap_80211_rx_status *rx_stats, int wds); -int hostap_handle_sta_crypto(local_info_t *local, struct ieee80211_hdr *hdr, +int hostap_handle_sta_crypto(local_info_t *local, struct ieee80211_hdr_4addr *hdr, struct ieee80211_crypt_data **crypt, void **sta_ptr); int hostap_is_sta_assoc(struct ap_data *ap, u8 *sta_addr); int hostap_is_sta_authorized(struct ap_data *ap, u8 *sta_addr); int hostap_add_sta(struct ap_data *ap, u8 *sta_addr); -int hostap_update_rx_stats(struct ap_data *ap, struct ieee80211_hdr *hdr, +int hostap_update_rx_stats(struct ap_data *ap, struct ieee80211_hdr_4addr *hdr, struct hostap_80211_rx_status *rx_stats); void hostap_update_rates(local_info_t *local); void hostap_add_wds_links(local_info_t *local); diff --git a/drivers/net/wireless/hostap/hostap_cs.c b/drivers/net/wireless/hostap/hostap_cs.c index faa83badf0a1..2643976a6677 100644 --- a/drivers/net/wireless/hostap/hostap_cs.c +++ b/drivers/net/wireless/hostap/hostap_cs.c @@ -492,42 +492,10 @@ static void prism2_pccard_genesis_reset(local_info_t *local, int hcr) } -static int prism2_pccard_dev_open(local_info_t *local) -{ - struct hostap_cs_priv *hw_priv = local->hw_priv; - hw_priv->link->open++; - return 0; -} - - -static int prism2_pccard_dev_close(local_info_t *local) -{ - struct hostap_cs_priv *hw_priv; - - if (local == NULL || local->hw_priv == NULL) - return 1; - hw_priv = local->hw_priv; - if (hw_priv->link == NULL) - return 1; - - if (!hw_priv->link->open) { - printk(KERN_WARNING "%s: prism2_pccard_dev_close(): " - "link not open?!\n", local->dev->name); - return 1; - } - - hw_priv->link->open--; - - return 0; -} - - static struct prism2_helper_functions prism2_pccard_funcs = { .card_present = prism2_pccard_card_present, .cor_sreset = prism2_pccard_cor_sreset, - .dev_open = prism2_pccard_dev_open, - .dev_close = prism2_pccard_dev_close, .genesis_reset = prism2_pccard_genesis_reset, .hw_type = HOSTAP_HW_PCCARD, }; @@ -597,13 +565,14 @@ static void prism2_detach(dev_link_t *link) *linkp = link->next; /* release net devices */ if (link->priv) { + struct hostap_cs_priv *hw_priv; struct net_device *dev; struct hostap_interface *iface; dev = link->priv; iface = netdev_priv(dev); - kfree(iface->local->hw_priv); - iface->local->hw_priv = NULL; + hw_priv = iface->local->hw_priv; prism2_free_local_data(dev); + kfree(hw_priv); } kfree(link); } @@ -883,6 +852,13 @@ static int prism2_event(event_t event, int priority, { dev_link_t *link = args->client_data; struct net_device *dev = (struct net_device *) link->priv; + int dev_open = 0; + + if (link->state & DEV_CONFIG) { + struct hostap_interface *iface = netdev_priv(dev); + if (iface && iface->local) + dev_open = iface->local->num_dev_open > 0; + } switch (event) { case CS_EVENT_CARD_INSERTION: @@ -911,7 +887,7 @@ static int prism2_event(event_t event, int priority, case CS_EVENT_RESET_PHYSICAL: PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_RESET_PHYSICAL\n", dev_info); if (link->state & DEV_CONFIG) { - if (link->open) { + if (dev_open) { netif_stop_queue(dev); netif_device_detach(dev); } @@ -931,8 +907,8 @@ static int prism2_event(event_t event, int priority, pcmcia_request_configuration(link->handle, &link->conf); prism2_hw_shutdown(dev, 1); - prism2_hw_config(dev, link->open ? 0 : 1); - if (link->open) { + prism2_hw_config(dev, dev_open ? 0 : 1); + if (dev_open) { netif_device_attach(dev); netif_start_queue(dev); } diff --git a/drivers/net/wireless/hostap/hostap_hw.c b/drivers/net/wireless/hostap/hostap_hw.c index e533a663deda..59fc15572395 100644 --- a/drivers/net/wireless/hostap/hostap_hw.c +++ b/drivers/net/wireless/hostap/hostap_hw.c @@ -3322,6 +3322,18 @@ static void prism2_free_local_data(struct net_device *dev) iface = netdev_priv(dev); local = iface->local; + /* Unregister all netdevs before freeing local data. */ + list_for_each_safe(ptr, n, &local->hostap_interfaces) { + iface = list_entry(ptr, struct hostap_interface, list); + if (iface->type == HOSTAP_INTERFACE_MASTER) { + /* special handling for this interface below */ + continue; + } + hostap_remove_interface(iface->dev, 0, 1); + } + + unregister_netdev(local->dev); + flush_scheduled_work(); if (timer_pending(&local->crypt_deinit_timer)) @@ -3382,15 +3394,6 @@ static void prism2_free_local_data(struct net_device *dev) prism2_download_free_data(local->dl_sec); #endif /* PRISM2_DOWNLOAD_SUPPORT */ - list_for_each_safe(ptr, n, &local->hostap_interfaces) { - iface = list_entry(ptr, struct hostap_interface, list); - if (iface->type == HOSTAP_INTERFACE_MASTER) { - /* special handling for this interface below */ - continue; - } - hostap_remove_interface(iface->dev, 0, 1); - } - prism2_clear_set_tim_queue(local); list_for_each_safe(ptr, n, &local->bss_list) { @@ -3403,7 +3406,6 @@ static void prism2_free_local_data(struct net_device *dev) kfree(local->last_scan_results); kfree(local->generic_elem); - unregister_netdev(local->dev); free_netdev(local->dev); } diff --git a/drivers/net/wireless/hostap/hostap_ioctl.c b/drivers/net/wireless/hostap/hostap_ioctl.c index e720369a3515..2617d70bcda9 100644 --- a/drivers/net/wireless/hostap/hostap_ioctl.c +++ b/drivers/net/wireless/hostap/hostap_ioctl.c @@ -50,7 +50,8 @@ static struct iw_statistics *hostap_get_wireless_stats(struct net_device *dev) #endif /* in_atomic */ if (update && prism2_update_comms_qual(dev) == 0) - wstats->qual.updated = 7; + wstats->qual.updated = IW_QUAL_ALL_UPDATED | + IW_QUAL_DBM; wstats->qual.qual = local->comms_qual; wstats->qual.level = local->avg_signal; @@ -59,7 +60,7 @@ static struct iw_statistics *hostap_get_wireless_stats(struct net_device *dev) wstats->qual.qual = 0; wstats->qual.level = 0; wstats->qual.noise = 0; - wstats->qual.updated = 0; + wstats->qual.updated = IW_QUAL_ALL_INVALID; } return wstats; @@ -551,7 +552,6 @@ static int prism2_ioctl_giwaplist(struct net_device *dev, kfree(addr); kfree(qual); - return 0; } @@ -1827,13 +1827,6 @@ static char * __prism2_translate_scan(local_info_t *local, iwe.cmd = SIOCGIWAP; iwe.u.ap_addr.sa_family = ARPHRD_ETHER; memcpy(iwe.u.ap_addr.sa_data, bssid, ETH_ALEN); - /* FIX: - * I do not know how this is possible, but iwe_stream_add_event - * seems to re-order memcpy execution so that len is set only - * after copying.. Pre-setting len here "fixes" this, but real - * problems should be solved (after which these iwe.len - * settings could be removed from this function). */ - iwe.len = IW_EV_ADDR_LEN; current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN); @@ -1843,7 +1836,6 @@ static char * __prism2_translate_scan(local_info_t *local, iwe.cmd = SIOCGIWESSID; iwe.u.data.length = ssid_len; iwe.u.data.flags = 1; - iwe.len = IW_EV_POINT_LEN + iwe.u.data.length; current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, ssid); memset(&iwe, 0, sizeof(iwe)); @@ -1859,7 +1851,6 @@ static char * __prism2_translate_scan(local_info_t *local, iwe.u.mode = IW_MODE_MASTER; else iwe.u.mode = IW_MODE_ADHOC; - iwe.len = IW_EV_UINT_LEN; current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN); } @@ -1877,7 +1868,6 @@ static char * __prism2_translate_scan(local_info_t *local, if (chan > 0) { iwe.u.freq.m = freq_list[le16_to_cpu(chan - 1)] * 100000; iwe.u.freq.e = 1; - iwe.len = IW_EV_FREQ_LEN; current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN); } @@ -1894,7 +1884,10 @@ static char * __prism2_translate_scan(local_info_t *local, iwe.u.qual.noise = HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->anl)); } - iwe.len = IW_EV_QUAL_LEN; + iwe.u.qual.updated = IW_QUAL_LEVEL_UPDATED + | IW_QUAL_NOISE_UPDATED + | IW_QUAL_QUAL_INVALID + | IW_QUAL_DBM; current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN); } @@ -1906,7 +1899,6 @@ static char * __prism2_translate_scan(local_info_t *local, else iwe.u.data.flags = IW_ENCODE_DISABLED; iwe.u.data.length = 0; - iwe.len = IW_EV_POINT_LEN + iwe.u.data.length; current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, ""); /* TODO: add SuppRates into BSS table */ @@ -1930,7 +1922,7 @@ static char * __prism2_translate_scan(local_info_t *local, } /* TODO: add BeaconInt,resp_rate,atim into BSS table */ - buf = kmalloc(MAX_WPA_IE_LEN * 2 + 30, GFP_KERNEL); + buf = kmalloc(MAX_WPA_IE_LEN * 2 + 30, GFP_ATOMIC); if (buf && scan) { memset(&iwe, 0, sizeof(iwe)); iwe.cmd = IWEVCUSTOM; @@ -3088,9 +3080,7 @@ static int prism2_ioctl_priv_download(local_info_t *local, struct iw_point *p) ret = local->func->download(local, param); out: - if (param != NULL) - kfree(param); - + kfree(param); return ret; } #endif /* PRISM2_DOWNLOAD_SUPPORT */ @@ -3897,9 +3887,7 @@ static int prism2_ioctl_priv_hostapd(local_info_t *local, struct iw_point *p) } out: - if (param != NULL) - kfree(param); - + kfree(param); return ret; } diff --git a/drivers/net/wireless/hostap/hostap_pci.c b/drivers/net/wireless/hostap/hostap_pci.c index 025f8cdb5566..da0c80fb941c 100644 --- a/drivers/net/wireless/hostap/hostap_pci.c +++ b/drivers/net/wireless/hostap/hostap_pci.c @@ -59,11 +59,13 @@ static struct pci_device_id prism2_pci_id_table[] __devinitdata = { static inline void hfa384x_outb_debug(struct net_device *dev, int a, u8 v) { struct hostap_interface *iface; + struct hostap_pci_priv *hw_priv; local_info_t *local; unsigned long flags; iface = netdev_priv(dev); local = iface->local; + hw_priv = local->hw_priv; spin_lock_irqsave(&local->lock, flags); prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTB, a, v); @@ -74,12 +76,14 @@ static inline void hfa384x_outb_debug(struct net_device *dev, int a, u8 v) static inline u8 hfa384x_inb_debug(struct net_device *dev, int a) { struct hostap_interface *iface; + struct hostap_pci_priv *hw_priv; local_info_t *local; unsigned long flags; u8 v; iface = netdev_priv(dev); local = iface->local; + hw_priv = local->hw_priv; spin_lock_irqsave(&local->lock, flags); v = readb(hw_priv->mem_start + a); @@ -91,11 +95,13 @@ static inline u8 hfa384x_inb_debug(struct net_device *dev, int a) static inline void hfa384x_outw_debug(struct net_device *dev, int a, u16 v) { struct hostap_interface *iface; + struct hostap_pci_priv *hw_priv; local_info_t *local; unsigned long flags; iface = netdev_priv(dev); local = iface->local; + hw_priv = local->hw_priv; spin_lock_irqsave(&local->lock, flags); prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTW, a, v); @@ -106,12 +112,14 @@ static inline void hfa384x_outw_debug(struct net_device *dev, int a, u16 v) static inline u16 hfa384x_inw_debug(struct net_device *dev, int a) { struct hostap_interface *iface; + struct hostap_pci_priv *hw_priv; local_info_t *local; unsigned long flags; u16 v; iface = netdev_priv(dev); local = iface->local; + hw_priv = local->hw_priv; spin_lock_irqsave(&local->lock, flags); v = readw(hw_priv->mem_start + a); @@ -277,8 +285,6 @@ static struct prism2_helper_functions prism2_pci_funcs = { .card_present = NULL, .cor_sreset = prism2_pci_cor_sreset, - .dev_open = NULL, - .dev_close = NULL, .genesis_reset = prism2_pci_genesis_reset, .hw_type = HOSTAP_HW_PCI, }; @@ -352,8 +358,6 @@ static int prism2_pci_probe(struct pci_dev *pdev, return hostap_hw_ready(dev); fail: - kfree(hw_priv); - if (irq_registered && dev) free_irq(dev->irq, dev); @@ -364,10 +368,8 @@ static int prism2_pci_probe(struct pci_dev *pdev, err_out_disable: pci_disable_device(pdev); - kfree(hw_priv); - if (local) - local->hw_priv = NULL; prism2_free_local_data(dev); + kfree(hw_priv); return -ENODEV; } @@ -392,9 +394,8 @@ static void prism2_pci_remove(struct pci_dev *pdev) free_irq(dev->irq, dev); mem_start = hw_priv->mem_start; - kfree(hw_priv); - iface->local->hw_priv = NULL; prism2_free_local_data(dev); + kfree(hw_priv); iounmap(mem_start); @@ -441,7 +442,7 @@ static int prism2_pci_resume(struct pci_dev *pdev) MODULE_DEVICE_TABLE(pci, prism2_pci_id_table); static struct pci_driver prism2_pci_drv_id = { - .name = "prism2_pci", + .name = "hostap_pci", .id_table = prism2_pci_id_table, .probe = prism2_pci_probe, .remove = prism2_pci_remove, diff --git a/drivers/net/wireless/hostap/hostap_plx.c b/drivers/net/wireless/hostap/hostap_plx.c index 474ef83d813e..78d67b408b2f 100644 --- a/drivers/net/wireless/hostap/hostap_plx.c +++ b/drivers/net/wireless/hostap/hostap_plx.c @@ -328,8 +328,6 @@ static struct prism2_helper_functions prism2_plx_funcs = { .card_present = NULL, .cor_sreset = prism2_plx_cor_sreset, - .dev_open = NULL, - .dev_close = NULL, .genesis_reset = prism2_plx_genesis_reset, .hw_type = HOSTAP_HW_PLX, }; @@ -570,10 +568,8 @@ static int prism2_plx_probe(struct pci_dev *pdev, return hostap_hw_ready(dev); fail: - kfree(hw_priv); - if (local) - local->hw_priv = NULL; prism2_free_local_data(dev); + kfree(hw_priv); if (irq_registered && dev) free_irq(dev->irq, dev); @@ -606,9 +602,8 @@ static void prism2_plx_remove(struct pci_dev *pdev) if (dev->irq) free_irq(dev->irq, dev); - kfree(iface->local->hw_priv); - iface->local->hw_priv = NULL; prism2_free_local_data(dev); + kfree(hw_priv); pci_disable_device(pdev); } @@ -616,7 +611,7 @@ static void prism2_plx_remove(struct pci_dev *pdev) MODULE_DEVICE_TABLE(pci, prism2_plx_id_table); static struct pci_driver prism2_plx_drv_id = { - .name = "prism2_plx", + .name = "hostap_plx", .id_table = prism2_plx_id_table, .probe = prism2_plx_probe, .remove = prism2_plx_remove, diff --git a/drivers/net/wireless/hostap/hostap_wlan.h b/drivers/net/wireless/hostap/hostap_wlan.h index cc061e1560d3..cfd801559492 100644 --- a/drivers/net/wireless/hostap/hostap_wlan.h +++ b/drivers/net/wireless/hostap/hostap_wlan.h @@ -552,8 +552,6 @@ struct prism2_helper_functions { * (hostap_{cs,plx,pci}.c */ int (*card_present)(local_info_t *local); void (*cor_sreset)(local_info_t *local); - int (*dev_open)(local_info_t *local); - int (*dev_close)(local_info_t *local); void (*genesis_reset)(local_info_t *local, int hcr); /* the following functions are from hostap_hw.c, but they may have some diff --git a/drivers/net/wireless/ipw2100.c b/drivers/net/wireless/ipw2100.c index 2414e6493aa5..ad7f8cd76db9 100644 --- a/drivers/net/wireless/ipw2100.c +++ b/drivers/net/wireless/ipw2100.c @@ -800,8 +800,7 @@ static int ipw2100_hw_send_command(struct ipw2100_priv *priv, * doesn't seem to have as many firmware restart cycles... * * As a test, we're sticking in a 1/100s delay here */ - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(HZ / 100); + schedule_timeout_uninterruptible(msecs_to_jiffies(10)); return 0; @@ -1256,8 +1255,7 @@ static int ipw2100_start_adapter(struct ipw2100_priv *priv) IPW_DEBUG_FW("Waiting for f/w initialization to complete...\n"); i = 5000; do { - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(40 * HZ / 1000); + schedule_timeout_uninterruptible(msecs_to_jiffies(40)); /* Todo... wait for sync command ... */ read_register(priv->net_dev, IPW_REG_INTA, &inta); @@ -1411,8 +1409,7 @@ static int ipw2100_hw_phy_off(struct ipw2100_priv *priv) (val2 & IPW2100_COMMAND_PHY_OFF)) return 0; - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(HW_PHY_OFF_LOOP_DELAY); + schedule_timeout_uninterruptible(HW_PHY_OFF_LOOP_DELAY); } return -EIO; @@ -1466,7 +1463,7 @@ fail_up: static int ipw2100_hw_stop_adapter(struct ipw2100_priv *priv) { -#define HW_POWER_DOWN_DELAY (HZ / 10) +#define HW_POWER_DOWN_DELAY (msecs_to_jiffies(100)) struct host_command cmd = { .host_command = HOST_PRE_POWER_DOWN, @@ -1520,10 +1517,8 @@ static int ipw2100_hw_stop_adapter(struct ipw2100_priv *priv) printk(KERN_WARNING DRV_NAME ": " "%s: Power down command failed: Error %d\n", priv->net_dev->name, err); - else { - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(HW_POWER_DOWN_DELAY); - } + else + schedule_timeout_uninterruptible(HW_POWER_DOWN_DELAY); } priv->status &= ~STATUS_ENABLED; @@ -2953,7 +2948,7 @@ static void ipw2100_tx_send_data(struct ipw2100_priv *priv) int next = txq->next; int i = 0; struct ipw2100_data_header *ipw_hdr; - struct ieee80211_hdr *hdr; + struct ieee80211_hdr_3addr *hdr; while (!list_empty(&priv->tx_pend_list)) { /* if there isn't enough space in TBD queue, then @@ -2989,7 +2984,7 @@ static void ipw2100_tx_send_data(struct ipw2100_priv *priv) packet->index = txq->next; ipw_hdr = packet->info.d_struct.data; - hdr = (struct ieee80211_hdr *)packet->info.d_struct.txb-> + hdr = (struct ieee80211_hdr_3addr *)packet->info.d_struct.txb-> fragments[0]->data; if (priv->ieee->iw_mode == IW_MODE_INFRA) { @@ -3274,7 +3269,8 @@ static irqreturn_t ipw2100_interrupt(int irq, void *data, return IRQ_NONE; } -static int ipw2100_tx(struct ieee80211_txb *txb, struct net_device *dev) +static int ipw2100_tx(struct ieee80211_txb *txb, struct net_device *dev, + int pri) { struct ipw2100_priv *priv = ieee80211_priv(dev); struct list_head *element; diff --git a/drivers/net/wireless/ipw2100.h b/drivers/net/wireless/ipw2100.h index 2a3cdbd50168..c9e99ce15d66 100644 --- a/drivers/net/wireless/ipw2100.h +++ b/drivers/net/wireless/ipw2100.h @@ -808,7 +808,7 @@ struct ipw2100_priv { struct ipw2100_rx { union { unsigned char payload[IPW_RX_NIC_BUFFER_LENGTH]; - struct ieee80211_hdr header; + struct ieee80211_hdr_4addr header; u32 status; struct ipw2100_notification notification; struct ipw2100_cmd_header command; diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index b7f275c00de3..3db0c32afe82 100644 --- a/drivers/net/wireless/ipw2200.c +++ b/drivers/net/wireless/ipw2200.c @@ -4030,6 +4030,10 @@ static struct ipw_rx_queue *ipw_rx_queue_alloc(struct ipw_priv *priv) int i; rxq = (struct ipw_rx_queue *)kmalloc(sizeof(*rxq), GFP_KERNEL); + if (unlikely(!rxq)) { + IPW_ERROR("memory allocation failed\n"); + return NULL; + } memset(rxq, 0, sizeof(*rxq)); spin_lock_init(&rxq->lock); INIT_LIST_HEAD(&rxq->rx_free); @@ -4904,7 +4908,7 @@ static void ipw_rx(struct ipw_priv *priv) { struct ipw_rx_mem_buffer *rxb; struct ipw_rx_packet *pkt; - struct ieee80211_hdr *header; + struct ieee80211_hdr_4addr *header; u32 r, w, i; u8 network_packet; @@ -4967,8 +4971,9 @@ static void ipw_rx(struct ipw_priv *priv) #endif header = - (struct ieee80211_hdr *)(rxb->skb->data + - IPW_RX_FRAME_SIZE); + (struct ieee80211_hdr_4addr *)(rxb->skb-> + data + + IPW_RX_FRAME_SIZE); /* TODO: Check Ad-Hoc dest/source and make sure * that we are actually parsing these packets * correctly -- we should probably use the @@ -5317,8 +5322,6 @@ static int ipw_wx_set_freq(struct net_device *dev, IPW_DEBUG_WX("SET Freq/Channel -> %d \n", fwrq->m); return ipw_set_channel(priv, (u8) fwrq->m); - - return 0; } static int ipw_wx_get_freq(struct net_device *dev, @@ -6010,12 +6013,12 @@ static int ipw_wx_set_wireless_mode(struct net_device *dev, } if (priv->adapter == IPW_2915ABG) { - priv->ieee->abg_ture = 1; + priv->ieee->abg_true = 1; if (mode & IEEE_A) { band |= IEEE80211_52GHZ_BAND; modulation |= IEEE80211_OFDM_MODULATION; } else - priv->ieee->abg_ture = 0; + priv->ieee->abg_true = 0; } else { if (mode & IEEE_A) { IPW_WARNING("Attempt to set 2200BG into " @@ -6023,20 +6026,20 @@ static int ipw_wx_set_wireless_mode(struct net_device *dev, return -EINVAL; } - priv->ieee->abg_ture = 0; + priv->ieee->abg_true = 0; } if (mode & IEEE_B) { band |= IEEE80211_24GHZ_BAND; modulation |= IEEE80211_CCK_MODULATION; } else - priv->ieee->abg_ture = 0; + priv->ieee->abg_true = 0; if (mode & IEEE_G) { band |= IEEE80211_24GHZ_BAND; modulation |= IEEE80211_OFDM_MODULATION; } else - priv->ieee->abg_ture = 0; + priv->ieee->abg_true = 0; priv->ieee->mode = mode; priv->ieee->freq_band = band; @@ -6325,7 +6328,7 @@ we need to heavily modify the ieee80211_skb_to_txb. static inline void ipw_tx_skb(struct ipw_priv *priv, struct ieee80211_txb *txb) { - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) + struct ieee80211_hdr_3addr *hdr = (struct ieee80211_hdr_3addr *) txb->fragments[0]->data; int i = 0; struct tfd_frame *tfd; @@ -6448,7 +6451,7 @@ static inline void ipw_tx_skb(struct ipw_priv *priv, struct ieee80211_txb *txb) } static int ipw_net_hard_start_xmit(struct ieee80211_txb *txb, - struct net_device *dev) + struct net_device *dev, int pri) { struct ipw_priv *priv = ieee80211_priv(dev); unsigned long flags; @@ -7108,7 +7111,7 @@ static int ipw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) printk(KERN_INFO DRV_NAME ": Detected Intel PRO/Wireless 2915ABG Network " "Connection\n"); - priv->ieee->abg_ture = 1; + priv->ieee->abg_true = 1; band = IEEE80211_52GHZ_BAND | IEEE80211_24GHZ_BAND; modulation = IEEE80211_OFDM_MODULATION | IEEE80211_CCK_MODULATION; @@ -7124,7 +7127,7 @@ static int ipw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) ": Detected Intel PRO/Wireless 2200BG Network " "Connection\n"); - priv->ieee->abg_ture = 0; + priv->ieee->abg_true = 0; band = IEEE80211_24GHZ_BAND; modulation = IEEE80211_OFDM_MODULATION | IEEE80211_CCK_MODULATION; diff --git a/drivers/net/wireless/ipw2200.h b/drivers/net/wireless/ipw2200.h index 5b00882133f9..e9cf32bf3e31 100644 --- a/drivers/net/wireless/ipw2200.h +++ b/drivers/net/wireless/ipw2200.h @@ -1654,12 +1654,12 @@ static const long ipw_frequencies[] = { #define IPW_MAX_CONFIG_RETRIES 10 -static inline u32 frame_hdr_len(struct ieee80211_hdr *hdr) +static inline u32 frame_hdr_len(struct ieee80211_hdr_4addr *hdr) { u32 retval; u16 fc; - retval = sizeof(struct ieee80211_hdr); + retval = sizeof(struct ieee80211_hdr_3addr); fc = le16_to_cpu(hdr->frame_ctl); /* diff --git a/drivers/net/wireless/netwave_cs.c b/drivers/net/wireless/netwave_cs.c index ca6c03c89926..92793b958e32 100644 --- a/drivers/net/wireless/netwave_cs.c +++ b/drivers/net/wireless/netwave_cs.c @@ -57,9 +57,7 @@ #include <linux/bitops.h> #ifdef CONFIG_NET_RADIO #include <linux/wireless.h> -#if WIRELESS_EXT > 12 #include <net/iw_handler.h> -#endif /* WIRELESS_EXT > 12 */ #endif #include <pcmcia/cs_types.h> @@ -225,10 +223,7 @@ static void update_stats(struct net_device *dev); static struct net_device_stats *netwave_get_stats(struct net_device *dev); /* Wireless extensions */ -#ifdef WIRELESS_EXT static struct iw_statistics* netwave_get_wireless_stats(struct net_device *dev); -#endif -static int netwave_ioctl(struct net_device *, struct ifreq *, int); static void set_multicast_list(struct net_device *dev); @@ -260,26 +255,7 @@ static dev_link_t *dev_list; because they generally can't be allocated dynamically. */ -#if WIRELESS_EXT <= 12 -/* Wireless extensions backward compatibility */ - -/* Part of iw_handler prototype we need */ -struct iw_request_info -{ - __u16 cmd; /* Wireless Extension command */ - __u16 flags; /* More to come ;-) */ -}; - -/* Wireless Extension Backward compatibility - Jean II - * If the new wireless device private ioctl range is not defined, - * default to standard device private ioctl range */ -#ifndef SIOCIWFIRSTPRIV -#define SIOCIWFIRSTPRIV SIOCDEVPRIVATE -#endif /* SIOCIWFIRSTPRIV */ - -#else /* WIRELESS_EXT <= 12 */ static const struct iw_handler_def netwave_handler_def; -#endif /* WIRELESS_EXT <= 12 */ #define SIOCGIPSNAP SIOCIWFIRSTPRIV + 1 /* Site Survey Snapshot */ @@ -319,9 +295,7 @@ typedef struct netwave_private { struct timer_list watchdog; /* To avoid blocking state */ struct site_survey nss; struct net_device_stats stats; -#ifdef WIRELESS_EXT struct iw_statistics iw_stats; /* Wireless stats */ -#endif } netwave_private; #ifdef NETWAVE_STATS @@ -353,7 +327,6 @@ static inline void wait_WOC(unsigned int iobase) while ((inb(iobase + NETWAVE_REG_ASR) & 0x8) != 0x8) ; } -#ifdef WIRELESS_EXT static void netwave_snapshot(netwave_private *priv, u_char __iomem *ramBase, kio_addr_t iobase) { u_short resultBuffer; @@ -376,9 +349,7 @@ static void netwave_snapshot(netwave_private *priv, u_char __iomem *ramBase, sizeof(struct site_survey)); } } -#endif -#ifdef WIRELESS_EXT /* * Function netwave_get_wireless_stats (dev) * @@ -411,7 +382,6 @@ static struct iw_statistics *netwave_get_wireless_stats(struct net_device *dev) return &priv->iw_stats; } -#endif /* * Function netwave_attach (void) @@ -471,13 +441,7 @@ static dev_link_t *netwave_attach(void) dev->get_stats = &netwave_get_stats; dev->set_multicast_list = &set_multicast_list; /* wireless extensions */ -#if WIRELESS_EXT <= 16 - dev->get_wireless_stats = &netwave_get_wireless_stats; -#endif /* WIRELESS_EXT <= 16 */ -#if WIRELESS_EXT > 12 dev->wireless_handlers = (struct iw_handler_def *)&netwave_handler_def; -#endif /* WIRELESS_EXT > 12 */ - dev->do_ioctl = &netwave_ioctl; dev->tx_timeout = &netwave_watchdog; dev->watchdog_timeo = TX_TIMEOUT; @@ -576,13 +540,8 @@ static int netwave_set_nwid(struct net_device *dev, /* Disable interrupts & save flags */ spin_lock_irqsave(&priv->spinlock, flags); -#if WIRELESS_EXT > 8 if(!wrqu->nwid.disabled) { domain = wrqu->nwid.value; -#else /* WIRELESS_EXT > 8 */ - if(wrqu->nwid.on) { - domain = wrqu->nwid.nwid; -#endif /* WIRELESS_EXT > 8 */ printk( KERN_DEBUG "Setting domain to 0x%x%02x\n", (domain >> 8) & 0x01, domain & 0xff); wait_WOC(iobase); @@ -606,15 +565,9 @@ static int netwave_get_nwid(struct net_device *dev, union iwreq_data *wrqu, char *extra) { -#if WIRELESS_EXT > 8 wrqu->nwid.value = domain; wrqu->nwid.disabled = 0; wrqu->nwid.fixed = 1; -#else /* WIRELESS_EXT > 8 */ - wrqu->nwid.nwid = domain; - wrqu->nwid.on = 1; -#endif /* WIRELESS_EXT > 8 */ - return 0; } @@ -657,17 +610,11 @@ static int netwave_get_scramble(struct net_device *dev, { key[1] = scramble_key & 0xff; key[0] = (scramble_key>>8) & 0xff; -#if WIRELESS_EXT > 8 wrqu->encoding.flags = IW_ENCODE_ENABLED; wrqu->encoding.length = 2; -#else /* WIRELESS_EXT > 8 */ - wrqu->encoding.method = 1; -#endif /* WIRELESS_EXT > 8 */ - return 0; } -#if WIRELESS_EXT > 8 /* * Wireless Handler : get mode */ @@ -683,7 +630,6 @@ static int netwave_get_mode(struct net_device *dev, return 0; } -#endif /* WIRELESS_EXT > 8 */ /* * Wireless Handler : get range info @@ -702,11 +648,9 @@ static int netwave_get_range(struct net_device *dev, /* Set all the info we don't care or don't know about to zero */ memset(range, 0, sizeof(struct iw_range)); -#if WIRELESS_EXT > 10 /* Set the Wireless Extension versions */ range->we_version_compiled = WIRELESS_EXT; range->we_version_source = 9; /* Nothing for us in v10 and v11 */ -#endif /* WIRELESS_EXT > 10 */ /* Set information in the range struct */ range->throughput = 450 * 1000; /* don't argue on this ! */ @@ -720,16 +664,12 @@ static int netwave_get_range(struct net_device *dev, range->max_qual.level = 255; range->max_qual.noise = 0; -#if WIRELESS_EXT > 7 range->num_bitrates = 1; range->bitrate[0] = 1000000; /* 1 Mb/s */ -#endif /* WIRELESS_EXT > 7 */ -#if WIRELESS_EXT > 8 range->encoding_size[0] = 2; /* 16 bits scrambling */ range->num_encoding_sizes = 1; range->max_encoding_tokens = 1; /* Only one key possible */ -#endif /* WIRELESS_EXT > 8 */ return ret; } @@ -775,8 +715,6 @@ static const struct iw_priv_args netwave_private_args[] = { "getsitesurvey" }, }; -#if WIRELESS_EXT > 12 - static const iw_handler netwave_handler[] = { NULL, /* SIOCSIWNAME */ @@ -839,131 +777,8 @@ static const struct iw_handler_def netwave_handler_def = .standard = (iw_handler *) netwave_handler, .private = (iw_handler *) netwave_private_handler, .private_args = (struct iw_priv_args *) netwave_private_args, -#if WIRELESS_EXT > 16 .get_wireless_stats = netwave_get_wireless_stats, -#endif /* WIRELESS_EXT > 16 */ }; -#endif /* WIRELESS_EXT > 12 */ - -/* - * Function netwave_ioctl (dev, rq, cmd) - * - * Perform ioctl : config & info stuff - * This is the stuff that are treated the wireless extensions (iwconfig) - * - */ -static int netwave_ioctl(struct net_device *dev, /* ioctl device */ - struct ifreq *rq, /* Data passed */ - int cmd) /* Ioctl number */ -{ - int ret = 0; -#ifdef WIRELESS_EXT -#if WIRELESS_EXT <= 12 - struct iwreq *wrq = (struct iwreq *) rq; -#endif -#endif - - DEBUG(0, "%s: ->netwave_ioctl(cmd=0x%X)\n", dev->name, cmd); - - /* Look what is the request */ - switch(cmd) { - /* --------------- WIRELESS EXTENSIONS --------------- */ -#ifdef WIRELESS_EXT -#if WIRELESS_EXT <= 12 - case SIOCGIWNAME: - netwave_get_name(dev, NULL, &(wrq->u), NULL); - break; - case SIOCSIWNWID: - ret = netwave_set_nwid(dev, NULL, &(wrq->u), NULL); - break; - case SIOCGIWNWID: - ret = netwave_get_nwid(dev, NULL, &(wrq->u), NULL); - break; -#if WIRELESS_EXT > 8 /* Note : The API did change... */ - case SIOCGIWENCODE: - /* Get scramble key */ - if(wrq->u.encoding.pointer != (caddr_t) 0) - { - char key[2]; - ret = netwave_get_scramble(dev, NULL, &(wrq->u), key); - if(copy_to_user(wrq->u.encoding.pointer, key, 2)) - ret = -EFAULT; - } - break; - case SIOCSIWENCODE: - /* Set scramble key */ - if(wrq->u.encoding.pointer != (caddr_t) 0) - { - char key[2]; - if(copy_from_user(key, wrq->u.encoding.pointer, 2)) - { - ret = -EFAULT; - break; - } - ret = netwave_set_scramble(dev, NULL, &(wrq->u), key); - } - break; - case SIOCGIWMODE: - /* Mode of operation */ - ret = netwave_get_mode(dev, NULL, &(wrq->u), NULL); - break; -#else /* WIRELESS_EXT > 8 */ - case SIOCGIWENCODE: - /* Get scramble key */ - ret = netwave_get_scramble(dev, NULL, &(wrq->u), - (char *) &wrq->u.encoding.code); - break; - case SIOCSIWENCODE: - /* Set scramble key */ - ret = netwave_set_scramble(dev, NULL, &(wrq->u), - (char *) &wrq->u.encoding.code); - break; -#endif /* WIRELESS_EXT > 8 */ - case SIOCGIWRANGE: - /* Basic checking... */ - if(wrq->u.data.pointer != (caddr_t) 0) { - struct iw_range range; - ret = netwave_get_range(dev, NULL, &(wrq->u), (char *) &range); - if (copy_to_user(wrq->u.data.pointer, &range, - sizeof(struct iw_range))) - ret = -EFAULT; - } - break; - case SIOCGIWPRIV: - /* Basic checking... */ - if(wrq->u.data.pointer != (caddr_t) 0) { - /* Set the number of ioctl available */ - wrq->u.data.length = sizeof(netwave_private_args) / sizeof(netwave_private_args[0]); - - /* Copy structure to the user buffer */ - if(copy_to_user(wrq->u.data.pointer, - (u_char *) netwave_private_args, - sizeof(netwave_private_args))) - ret = -EFAULT; - } - break; - case SIOCGIPSNAP: - if(wrq->u.data.pointer != (caddr_t) 0) { - char buffer[sizeof( struct site_survey)]; - ret = netwave_get_snap(dev, NULL, &(wrq->u), buffer); - /* Copy structure to the user buffer */ - if(copy_to_user(wrq->u.data.pointer, - buffer, - sizeof( struct site_survey))) - { - printk(KERN_DEBUG "Bad buffer!\n"); - break; - } - } - break; -#endif /* WIRELESS_EXT <= 12 */ -#endif /* WIRELESS_EXT */ - default: - ret = -EOPNOTSUPP; - } - - return ret; -} /* * Function netwave_pcmcia_config (link) diff --git a/drivers/net/wireless/orinoco.c b/drivers/net/wireless/orinoco.c index 15ceaf615756..488ab06fb79f 100644 --- a/drivers/net/wireless/orinoco.c +++ b/drivers/net/wireless/orinoco.c @@ -77,30 +77,16 @@ #define DRIVER_NAME "orinoco" #include <linux/config.h> - #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> -#include <linux/ptrace.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <linux/timer.h> -#include <linux/ioport.h> #include <linux/netdevice.h> -#include <linux/if_arp.h> #include <linux/etherdevice.h> #include <linux/ethtool.h> #include <linux/wireless.h> #include <net/iw_handler.h> #include <net/ieee80211.h> -#include <net/ieee80211.h> - -#include <asm/uaccess.h> -#include <asm/io.h> -#include <asm/system.h> - -#include "hermes.h" #include "hermes_rid.h" #include "orinoco.h" @@ -137,7 +123,7 @@ MODULE_PARM_DESC(force_monitor, "Allow monitor mode for all firmware versions"); /* We do this this way to avoid ifdefs in the actual code */ #ifdef WIRELESS_SPY -#define SPY_NUMBER(priv) (priv->spy_number) +#define SPY_NUMBER(priv) (priv->spy_data.spy_number) #else #define SPY_NUMBER(priv) 0 #endif /* WIRELESS_SPY */ @@ -216,31 +202,32 @@ static struct { /********************************************************************/ /* Used in Event handling. - * We avoid nested structres as they break on ARM -- Moustafa */ + * We avoid nested structures as they break on ARM -- Moustafa */ struct hermes_tx_descriptor_802_11 { /* hermes_tx_descriptor */ - u16 status; - u16 reserved1; - u16 reserved2; - u32 sw_support; + __le16 status; + __le16 reserved1; + __le16 reserved2; + __le32 sw_support; u8 retry_count; u8 tx_rate; - u16 tx_control; + __le16 tx_control; - /* ieee802_11_hdr */ - u16 frame_ctl; - u16 duration_id; + /* ieee80211_hdr */ + __le16 frame_ctl; + __le16 duration_id; u8 addr1[ETH_ALEN]; u8 addr2[ETH_ALEN]; u8 addr3[ETH_ALEN]; - u16 seq_ctl; + __le16 seq_ctl; u8 addr4[ETH_ALEN]; - u16 data_len; + + __le16 data_len; /* ethhdr */ - unsigned char h_dest[ETH_ALEN]; /* destination eth addr */ - unsigned char h_source[ETH_ALEN]; /* source ether addr */ - unsigned short h_proto; /* packet type ID field */ + u8 h_dest[ETH_ALEN]; /* destination eth addr */ + u8 h_source[ETH_ALEN]; /* source ether addr */ + __be16 h_proto; /* packet type ID field */ /* p8022_hdr */ u8 dsap; @@ -248,31 +235,31 @@ struct hermes_tx_descriptor_802_11 { u8 ctrl; u8 oui[3]; - u16 ethertype; + __be16 ethertype; } __attribute__ ((packed)); /* Rx frame header except compatibility 802.3 header */ struct hermes_rx_descriptor { /* Control */ - u16 status; - u32 time; + __le16 status; + __le32 time; u8 silence; u8 signal; u8 rate; u8 rxflow; - u32 reserved; + __le32 reserved; /* 802.11 header */ - u16 frame_ctl; - u16 duration_id; + __le16 frame_ctl; + __le16 duration_id; u8 addr1[ETH_ALEN]; u8 addr2[ETH_ALEN]; u8 addr3[ETH_ALEN]; - u16 seq_ctl; + __le16 seq_ctl; u8 addr4[ETH_ALEN]; /* Data length */ - u16 data_len; + __le16 data_len; } __attribute__ ((packed)); /********************************************************************/ @@ -396,14 +383,14 @@ static struct iw_statistics *orinoco_get_wireless_stats(struct net_device *dev) /* If a spy address is defined, we report stats of the * first spy address - Jean II */ if (SPY_NUMBER(priv)) { - wstats->qual.qual = priv->spy_stat[0].qual; - wstats->qual.level = priv->spy_stat[0].level; - wstats->qual.noise = priv->spy_stat[0].noise; - wstats->qual.updated = priv->spy_stat[0].updated; + wstats->qual.qual = priv->spy_data.spy_stat[0].qual; + wstats->qual.level = priv->spy_data.spy_stat[0].level; + wstats->qual.noise = priv->spy_data.spy_stat[0].noise; + wstats->qual.updated = priv->spy_data.spy_stat[0].updated; } } else { struct { - u16 qual, signal, noise; + __le16 qual, signal, noise; } __attribute__ ((packed)) cq; err = HERMES_READ_RECORD(hw, USER_BAP, @@ -503,13 +490,12 @@ static int orinoco_xmit(struct sk_buff *skb, struct net_device *dev) return 0; } - /* Check packet length, pad short packets, round up odd length */ + /* Length of the packet body */ + /* FIXME: what if the skb is smaller than this? */ len = max_t(int, ALIGN(skb->len, 2), ETH_ZLEN); - if (skb->len < len) { - skb = skb_padto(skb, len); - if (skb == NULL) - goto fail; - } + skb = skb_padto(skb, len); + if (skb == NULL) + goto fail; len -= ETH_HLEN; eh = (struct ethhdr *)skb->data; @@ -556,13 +542,21 @@ static int orinoco_xmit(struct sk_buff *skb, struct net_device *dev) stats->tx_errors++; goto fail; } + /* Actual xfer length - allow for padding */ + len = ALIGN(data_len, 2); + if (len < ETH_ZLEN - ETH_HLEN) + len = ETH_ZLEN - ETH_HLEN; } else { /* IEEE 802.3 frame */ data_len = len + ETH_HLEN; data_off = HERMES_802_3_OFFSET; p = skb->data; + /* Actual xfer length - round up for odd length packets */ + len = ALIGN(data_len, 2); + if (len < ETH_ZLEN) + len = ETH_ZLEN; } - err = hermes_bap_pwrite(hw, USER_BAP, p, data_len, + err = hermes_bap_pwrite_pad(hw, USER_BAP, p, data_len, len, txfid, data_off); if (err) { printk(KERN_ERR "%s: Error %d writing packet to BAP\n", @@ -634,16 +628,17 @@ static void __orinoco_ev_txexc(struct net_device *dev, hermes_t *hw) struct orinoco_private *priv = netdev_priv(dev); struct net_device_stats *stats = &priv->stats; u16 fid = hermes_read_regn(hw, TXCOMPLFID); + u16 status; struct hermes_tx_descriptor_802_11 hdr; int err = 0; if (fid == DUMMY_FID) return; /* Nothing's really happened */ - /* Read the frame header */ + /* Read part of the frame header - we need status and addr1 */ err = hermes_bap_pread(hw, IRQ_BAP, &hdr, - sizeof(struct hermes_tx_descriptor) + - sizeof(struct ieee80211_hdr), + offsetof(struct hermes_tx_descriptor_802_11, + addr2), fid, 0); hermes_write_regn(hw, TXCOMPLFID, DUMMY_FID); @@ -663,8 +658,8 @@ static void __orinoco_ev_txexc(struct net_device *dev, hermes_t *hw) * exceeded, because that's the only status that really mean * that this particular node went away. * Other errors means that *we* screwed up. - Jean II */ - hdr.status = le16_to_cpu(hdr.status); - if (hdr.status & (HERMES_TXSTAT_RETRYERR | HERMES_TXSTAT_AGEDERR)) { + status = le16_to_cpu(hdr.status); + if (status & (HERMES_TXSTAT_RETRYERR | HERMES_TXSTAT_AGEDERR)) { union iwreq_data wrqu; /* Copy 802.11 dest address. @@ -723,18 +718,13 @@ static inline int is_ethersnap(void *_hdr) static inline void orinoco_spy_gather(struct net_device *dev, u_char *mac, int level, int noise) { - struct orinoco_private *priv = netdev_priv(dev); - int i; - - /* Gather wireless spy statistics: for each packet, compare the - * source address with out list, and if match, get the stats... */ - for (i = 0; i < priv->spy_number; i++) - if (!memcmp(mac, priv->spy_address[i], ETH_ALEN)) { - priv->spy_stat[i].level = level - 0x95; - priv->spy_stat[i].noise = noise - 0x95; - priv->spy_stat[i].qual = (level > noise) ? (level - noise) : 0; - priv->spy_stat[i].updated = 7; - } + struct iw_quality wstats; + wstats.level = level - 0x95; + wstats.noise = noise - 0x95; + wstats.qual = (level > noise) ? (level - noise) : 0; + wstats.updated = 7; + /* Update spy records */ + wireless_spy_update(dev, mac, &wstats); } static void orinoco_stat_gather(struct net_device *dev, @@ -1055,7 +1045,7 @@ static void orinoco_join_ap(struct net_device *dev) unsigned long flags; struct join_req { u8 bssid[ETH_ALEN]; - u16 channel; + __le16 channel; } __attribute__ ((packed)) req; const int atom_len = offsetof(struct prism2_scan_apinfo, atim); struct prism2_scan_apinfo *atom = NULL; @@ -1070,7 +1060,7 @@ static void orinoco_join_ap(struct net_device *dev) return; if (orinoco_lock(priv, &flags) != 0) - goto out; + goto fail_lock; /* Sanity checks in case user changed something in the meantime */ if (! priv->bssid_fixed) @@ -1115,8 +1105,10 @@ static void orinoco_join_ap(struct net_device *dev) printk(KERN_ERR "%s: Error issuing join request\n", dev->name); out: - kfree(buf); orinoco_unlock(priv, &flags); + + fail_lock: + kfree(buf); } /* Send new BSSID to userspace */ @@ -1134,12 +1126,14 @@ static void orinoco_send_wevents(struct net_device *dev) err = hermes_read_ltv(hw, IRQ_BAP, HERMES_RID_CURRENTBSSID, ETH_ALEN, NULL, wrqu.ap_addr.sa_data); if (err != 0) - return; + goto out; wrqu.ap_addr.sa_family = ARPHRD_ETHER; /* Send event to user space */ wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL); + + out: orinoco_unlock(priv, &flags); } @@ -1148,8 +1142,8 @@ static void __orinoco_ev_info(struct net_device *dev, hermes_t *hw) struct orinoco_private *priv = netdev_priv(dev); u16 infofid; struct { - u16 len; - u16 type; + __le16 len; + __le16 type; } __attribute__ ((packed)) info; int len, type; int err; @@ -2464,6 +2458,10 @@ struct net_device *alloc_orinocodev(int sizeof_card, dev->get_stats = orinoco_get_stats; dev->ethtool_ops = &orinoco_ethtool_ops; dev->wireless_handlers = (struct iw_handler_def *)&orinoco_handler_def; +#ifdef WIRELESS_SPY + priv->wireless_data.spy_data = &priv->spy_data; + dev->wireless_data = &priv->wireless_data; +#endif dev->change_mtu = orinoco_change_mtu; dev->set_multicast_list = orinoco_set_multicast_list; /* we use the default eth_mac_addr for setting the MAC addr */ @@ -2835,7 +2833,7 @@ static int orinoco_ioctl_getiwrange(struct net_device *dev, } } - if ((priv->iw_mode == IW_MODE_ADHOC) && (priv->spy_number == 0)){ + if ((priv->iw_mode == IW_MODE_ADHOC) && (!SPY_NUMBER(priv))){ /* Quality stats meaningless in ad-hoc mode */ } else { range->max_qual.qual = 0x8b - 0x2f; @@ -2882,6 +2880,14 @@ static int orinoco_ioctl_getiwrange(struct net_device *dev, range->min_r_time = 0; range->max_r_time = 65535 * 1000; /* ??? */ + /* Event capability (kernel) */ + IW_EVENT_CAPA_SET_KERNEL(range->event_capa); + /* Event capability (driver) */ + IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWTHRSPY); + IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP); + IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN); + IW_EVENT_CAPA_SET(range->event_capa, IWEVTXDROP); + TRACE_EXIT(dev->name); return 0; @@ -3841,92 +3847,6 @@ static int orinoco_ioctl_getrid(struct net_device *dev, return err; } -/* Spy is used for link quality/strength measurements in Ad-Hoc mode - * Jean II */ -static int orinoco_ioctl_setspy(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *srq, - char *extra) - -{ - struct orinoco_private *priv = netdev_priv(dev); - struct sockaddr *address = (struct sockaddr *) extra; - int number = srq->length; - int i; - unsigned long flags; - - /* Make sure nobody mess with the structure while we do */ - if (orinoco_lock(priv, &flags) != 0) - return -EBUSY; - - /* orinoco_lock() doesn't disable interrupts, so make sure the - * interrupt rx path don't get confused while we copy */ - priv->spy_number = 0; - - if (number > 0) { - /* Extract the addresses */ - for (i = 0; i < number; i++) - memcpy(priv->spy_address[i], address[i].sa_data, - ETH_ALEN); - /* Reset stats */ - memset(priv->spy_stat, 0, - sizeof(struct iw_quality) * IW_MAX_SPY); - /* Set number of addresses */ - priv->spy_number = number; - } - - /* Now, let the others play */ - orinoco_unlock(priv, &flags); - - /* Do NOT call commit handler */ - return 0; -} - -static int orinoco_ioctl_getspy(struct net_device *dev, - struct iw_request_info *info, - struct iw_point *srq, - char *extra) -{ - struct orinoco_private *priv = netdev_priv(dev); - struct sockaddr *address = (struct sockaddr *) extra; - int number; - int i; - unsigned long flags; - - if (orinoco_lock(priv, &flags) != 0) - return -EBUSY; - - number = priv->spy_number; - /* Create address struct */ - for (i = 0; i < number; i++) { - memcpy(address[i].sa_data, priv->spy_address[i], ETH_ALEN); - address[i].sa_family = AF_UNIX; - } - if (number > 0) { - /* Create address struct */ - for (i = 0; i < number; i++) { - memcpy(address[i].sa_data, priv->spy_address[i], - ETH_ALEN); - address[i].sa_family = AF_UNIX; - } - /* Copy stats */ - /* In theory, we should disable irqs while copying the stats - * because the rx path might update it in the middle... - * Bah, who care ? - Jean II */ - memcpy(extra + (sizeof(struct sockaddr) * number), - priv->spy_stat, sizeof(struct iw_quality) * number); - } - /* Reset updated flags. */ - for (i = 0; i < number; i++) - priv->spy_stat[i].updated = 0; - - orinoco_unlock(priv, &flags); - - srq->length = number; - - return 0; -} - /* Trigger a scan (look for other cells in the vicinity */ static int orinoco_ioctl_setscan(struct net_device *dev, struct iw_request_info *info, @@ -3999,7 +3919,7 @@ static int orinoco_ioctl_setscan(struct net_device *dev, HERMES_HOSTSCAN_SYMBOL_BCAST); break; case FIRMWARE_TYPE_INTERSIL: { - u16 req[3]; + __le16 req[3]; req[0] = cpu_to_le16(0x3fff); /* All channels */ req[1] = cpu_to_le16(0x0001); /* rate 1 Mbps */ @@ -4073,7 +3993,7 @@ static inline int orinoco_translate_scan(struct net_device *dev, case FIRMWARE_TYPE_INTERSIL: offset = 4; if (priv->has_hostscan) { - atom_len = le16_to_cpup((u16 *)scan); + atom_len = le16_to_cpup((__le16 *)scan); /* Sanity check for atom_len */ if (atom_len < sizeof(struct prism2_scan_apinfo)) { printk(KERN_ERR "%s: Invalid atom_len in scan data: %d\n", @@ -4357,8 +4277,10 @@ static const iw_handler orinoco_handler[] = { [SIOCSIWSENS -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_setsens, [SIOCGIWSENS -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_getsens, [SIOCGIWRANGE -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_getiwrange, - [SIOCSIWSPY -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_setspy, - [SIOCGIWSPY -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_getspy, + [SIOCSIWSPY -SIOCIWFIRST] = (iw_handler) iw_handler_set_spy, + [SIOCGIWSPY -SIOCIWFIRST] = (iw_handler) iw_handler_get_spy, + [SIOCSIWTHRSPY-SIOCIWFIRST] = (iw_handler) iw_handler_set_thrspy, + [SIOCGIWTHRSPY-SIOCIWFIRST] = (iw_handler) iw_handler_get_thrspy, [SIOCSIWAP -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_setwap, [SIOCGIWAP -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_getwap, [SIOCSIWSCAN -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_setscan, diff --git a/drivers/net/wireless/orinoco.h b/drivers/net/wireless/orinoco.h index 2f213a7103fe..7a17bb31fc89 100644 --- a/drivers/net/wireless/orinoco.h +++ b/drivers/net/wireless/orinoco.h @@ -7,12 +7,11 @@ #ifndef _ORINOCO_H #define _ORINOCO_H -#define DRIVER_VERSION "0.15rc2" +#define DRIVER_VERSION "0.15rc3" -#include <linux/types.h> -#include <linux/spinlock.h> #include <linux/netdevice.h> #include <linux/wireless.h> +#include <net/iw_handler.h> #include <linux/version.h> #include "hermes.h" @@ -28,7 +27,7 @@ #define ORINOCO_MAX_KEYS 4 struct orinoco_key { - u16 len; /* always stored as little-endian */ + __le16 len; /* always stored as little-endian */ char data[ORINOCO_MAX_KEY_SIZE]; } __attribute__ ((packed)); @@ -36,14 +35,14 @@ struct header_struct { /* 802.3 */ u8 dest[ETH_ALEN]; u8 src[ETH_ALEN]; - u16 len; + __be16 len; /* 802.2 */ u8 dsap; u8 ssap; u8 ctrl; /* SNAP */ u8 oui[3]; - u16 ethertype; + unsigned short ethertype; } __attribute__ ((packed)); typedef enum { @@ -112,9 +111,8 @@ struct orinoco_private { u16 pm_on, pm_mcast, pm_period, pm_timeout; u16 preamble; #ifdef WIRELESS_SPY - int spy_number; - u_char spy_address[IW_MAX_SPY][ETH_ALEN]; - struct iw_quality spy_stat[IW_MAX_SPY]; + struct iw_spy_data spy_data; /* iwspy support */ + struct iw_public_data wireless_data; #endif /* Configuration dependent variables */ diff --git a/drivers/net/wireless/orinoco_cs.c b/drivers/net/wireless/orinoco_cs.c index bedd7f9f23e4..dc1128a00971 100644 --- a/drivers/net/wireless/orinoco_cs.c +++ b/drivers/net/wireless/orinoco_cs.c @@ -14,33 +14,16 @@ #define PFX DRIVER_NAME ": " #include <linux/config.h> -#ifdef __IN_PCMCIA_PACKAGE__ -#include <pcmcia/k_compat.h> -#endif /* __IN_PCMCIA_PACKAGE__ */ - #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> -#include <linux/sched.h> -#include <linux/ptrace.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <linux/ioport.h> -#include <linux/netdevice.h> -#include <linux/if_arp.h> -#include <linux/etherdevice.h> -#include <linux/wireless.h> - +#include <linux/delay.h> #include <pcmcia/cs_types.h> #include <pcmcia/cs.h> #include <pcmcia/cistpl.h> #include <pcmcia/cisreg.h> #include <pcmcia/ds.h> -#include <asm/uaccess.h> -#include <asm/io.h> -#include <asm/system.h> - #include "orinoco.h" /********************************************************************/ @@ -97,17 +80,8 @@ static dev_link_t *dev_list; /* = NULL */ /* Function prototypes */ /********************************************************************/ -/* device methods */ -static int orinoco_cs_hard_reset(struct orinoco_private *priv); - -/* PCMCIA gumpf */ -static void orinoco_cs_config(dev_link_t * link); -static void orinoco_cs_release(dev_link_t * link); -static int orinoco_cs_event(event_t event, int priority, - event_callback_args_t * args); - -static dev_link_t *orinoco_cs_attach(void); -static void orinoco_cs_detach(dev_link_t *); +static void orinoco_cs_release(dev_link_t *link); +static void orinoco_cs_detach(dev_link_t *link); /********************************************************************/ /* Device methods */ @@ -603,49 +577,85 @@ static char version[] __initdata = DRIVER_NAME " " DRIVER_VERSION "Pavel Roskin <proski@gnu.org>, et al)"; static struct pcmcia_device_id orinoco_cs_ids[] = { - PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7300), - PCMCIA_DEVICE_MANF_CARD(0x0138, 0x0002), - PCMCIA_DEVICE_MANF_CARD(0x0156, 0x0002), - PCMCIA_DEVICE_MANF_CARD(0x01eb, 0x080a), - PCMCIA_DEVICE_MANF_CARD(0x0261, 0x0002), - PCMCIA_DEVICE_MANF_CARD(0x0268, 0x0001), - PCMCIA_DEVICE_MANF_CARD(0x026f, 0x0305), - PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1613), - PCMCIA_DEVICE_MANF_CARD(0x028a, 0x0002), - PCMCIA_DEVICE_MANF_CARD(0x028a, 0x0673), - PCMCIA_DEVICE_MANF_CARD(0x02aa, 0x0002), - PCMCIA_DEVICE_MANF_CARD(0x02ac, 0x0002), - PCMCIA_DEVICE_MANF_CARD(0x14ea, 0xb001), - PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x7300), - PCMCIA_DEVICE_MANF_CARD(0x9005, 0x0021), - PCMCIA_DEVICE_MANF_CARD(0xc250, 0x0002), - PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0002), - PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0005), + PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7100), /* SonicWALL Long Range Wireless Card */ + PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7300), /* Sohoware NCP110, Philips 802.11b */ + PCMCIA_DEVICE_MANF_CARD(0x0089, 0x0002), /* AnyPoint(TM) Wireless II PC Card */ + PCMCIA_DEVICE_MANF_CARD(0x0101, 0x0777), /* 3Com AirConnect PCI 777A */ + PCMCIA_DEVICE_MANF_CARD(0x0126, 0x8000), /* PROXIM RangeLAN-DS/LAN PC CARD */ + PCMCIA_DEVICE_MANF_CARD(0x0138, 0x0002), /* Compaq WL100 11 Mbps Wireless Adapter */ + PCMCIA_DEVICE_MANF_CARD(0x0156, 0x0002), /* Lucent Orinoco and old Intersil */ + PCMCIA_DEVICE_MANF_CARD(0x016b, 0x0001), /* Ericsson WLAN Card C11 */ + PCMCIA_DEVICE_MANF_CARD(0x01eb, 0x080a), /* Nortel Networks eMobility 802.11 Wireless Adapter */ + PCMCIA_DEVICE_MANF_CARD(0x01ff, 0x0008), /* Intermec MobileLAN 11Mbps 802.11b WLAN Card */ + PCMCIA_DEVICE_MANF_CARD(0x0250, 0x0002), /* Samsung SWL2000-N 11Mb/s WLAN Card */ + PCMCIA_DEVICE_MANF_CARD(0x0261, 0x0002), /* AirWay 802.11 Adapter (PCMCIA) */ + PCMCIA_DEVICE_MANF_CARD(0x0268, 0x0001), /* ARtem Onair */ + PCMCIA_DEVICE_MANF_CARD(0x026f, 0x0305), /* Buffalo WLI-PCM-S11 */ + PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1612), /* Linksys WPC11 Version 2.5 */ + PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1613), /* Linksys WPC11 Version 3 */ + PCMCIA_DEVICE_MANF_CARD(0x028a, 0x0002), /* Compaq HNW-100 11 Mbps Wireless Adapter */ + PCMCIA_DEVICE_MANF_CARD(0x028a, 0x0673), /* Linksys WCF12 Wireless CompactFlash Card */ + PCMCIA_DEVICE_MANF_CARD(0x02aa, 0x0002), /* ASUS SpaceLink WL-100 */ + PCMCIA_DEVICE_MANF_CARD(0x02ac, 0x0002), /* SpeedStream SS1021 Wireless Adapter */ + PCMCIA_DEVICE_MANF_CARD(0x14ea, 0xb001), /* PLANEX RoadLannerWave GW-NS11H */ + PCMCIA_DEVICE_MANF_CARD(0x50c2, 0x7300), /* Airvast WN-100 */ + PCMCIA_DEVICE_MANF_CARD(0x9005, 0x0021), /* Adaptec Ultra Wireless ANW-8030 */ + PCMCIA_DEVICE_MANF_CARD(0xc001, 0x0008), /* CONTEC FLEXSCAN/FX-DDS110-PCC */ + PCMCIA_DEVICE_MANF_CARD(0xc250, 0x0002), /* Conceptronic CON11Cpro, EMTAC A2424i */ + PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0002), /* Safeway 802.11b, ZCOMAX AirRunner/XI-300 */ + PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0005), /* D-Link DCF660, Sandisk Connect SDWCFB-000 */ + PCMCIA_DEVICE_PROD_ID12(" ", "IEEE 802.11 Wireless LAN/PC Card", 0x3b6e20c8, 0xefccafe9), PCMCIA_DEVICE_PROD_ID12("3Com", "3CRWE737A AirConnect Wireless LAN PC Card", 0x41240e5b, 0x56010af3), - PCMCIA_DEVICE_PROD_ID123("Instant Wireless ", " Network PC CARD", "Version 01.02", 0x11d901af, 0x6e9bd926, 0x4b74baa0), PCMCIA_DEVICE_PROD_ID12("ACTIONTEC", "PRISM Wireless LAN PC Card", 0x393089da, 0xa71e69d5), + PCMCIA_DEVICE_PROD_ID12("Addtron", "AWP-100 Wireless PCMCIA", 0xe6ec52ce, 0x08649af2), + PCMCIA_DEVICE_PROD_ID123("AIRVAST", "IEEE 802.11b Wireless PCMCIA Card", "HFA3863", 0xea569531, 0x4bcb9645, 0x355cb092), + PCMCIA_DEVICE_PROD_ID12("Allied Telesyn", "AT-WCL452 Wireless PCMCIA Radio", 0x5cd01705, 0x4271660f), + PCMCIA_DEVICE_PROD_ID12("ASUS", "802_11b_PC_CARD_25", 0x78fc06ee, 0xdb9aa842), + PCMCIA_DEVICE_PROD_ID12("ASUS", "802_11B_CF_CARD_25", 0x78fc06ee, 0x45a50c1e), PCMCIA_DEVICE_PROD_ID12("Avaya Communication", "Avaya Wireless PC Card", 0xd8a43b78, 0x0d341169), + PCMCIA_DEVICE_PROD_ID12("BENQ", "AWL100 PCMCIA ADAPTER", 0x35dadc74, 0x01f7fedb), PCMCIA_DEVICE_PROD_ID12("BUFFALO", "WLI-PCM-L11G", 0x2decece3, 0xf57ca4b3), + PCMCIA_DEVICE_PROD_ID12("BUFFALO", "WLI-CF-S11G", 0x2decece3, 0x82067c18), PCMCIA_DEVICE_PROD_ID12("Cabletron", "RoamAbout 802.11 DS", 0x32d445f5, 0xedeffd90), + PCMCIA_DEVICE_PROD_ID12("Compaq", "WL200_11Mbps_Wireless_PCI_Card", 0x54f7c49c, 0x15a75e5b), + PCMCIA_DEVICE_PROD_ID123("corega", "WL PCCL-11", "ISL37300P", 0x0a21501a, 0x59868926, 0xc9049a39), PCMCIA_DEVICE_PROD_ID12("corega K.K.", "Wireless LAN PCC-11", 0x5261440f, 0xa6405584), PCMCIA_DEVICE_PROD_ID12("corega K.K.", "Wireless LAN PCCA-11", 0x5261440f, 0xdf6115f9), PCMCIA_DEVICE_PROD_ID12("corega_K.K.", "Wireless_LAN_PCCB-11", 0x29e33311, 0xee7a27ae), PCMCIA_DEVICE_PROD_ID12("D", "Link DRC-650 11Mbps WLAN Card", 0x71b18589, 0xf144e3ac), PCMCIA_DEVICE_PROD_ID12("D", "Link DWL-650 11Mbps WLAN Card", 0x71b18589, 0xb6f1b0ab), + PCMCIA_DEVICE_PROD_ID12("D-Link Corporation", "D-Link DWL-650H 11Mbps WLAN Adapter", 0xef544d24, 0xcd8ea916), + PCMCIA_DEVICE_PROD_ID12("Digital Data Communications", "WPC-0100", 0xfdd73470, 0xe0b6f146), PCMCIA_DEVICE_PROD_ID12("ELSA", "AirLancer MC-11", 0x4507a33a, 0xef54f0e3), PCMCIA_DEVICE_PROD_ID12("HyperLink", "Wireless PC Card 11Mbps", 0x56cc3f1a, 0x0bcf220c), + PCMCIA_DEVICE_PROD_ID123("Instant Wireless ", " Network PC CARD", "Version 01.02", 0x11d901af, 0x6e9bd926, 0x4b74baa0), + PCMCIA_DEVICE_PROD_ID12("Intel", "PRO/Wireless 2011 LAN PC Card", 0x816cc815, 0x07f58077), PCMCIA_DEVICE_PROD_ID12("INTERSIL", "HFA384x/IEEE", 0x74c5e40d, 0xdb472a18), + PCMCIA_DEVICE_PROD_ID12("INTERSIL", "I-GATE 11M PC Card / PC Card plus", 0x74c5e40d, 0x8304ff77), + PCMCIA_DEVICE_PROD_ID12("Intersil", "PRISM 2_5 PCMCIA ADAPTER", 0x4b801a17, 0x6345a0bf), + PCMCIA_DEVICE_PROD_ID123("Intersil", "PRISM Freedom PCMCIA Adapter", "ISL37100P", 0x4b801a17, 0xf222ec2d, 0x630d52b2), + PCMCIA_DEVICE_PROD_ID12("LeArtery", "SYNCBYAIR 11Mbps Wireless LAN PC Card", 0x7e3b326a, 0x49893e92), + PCMCIA_DEVICE_PROD_ID12("Linksys", "Wireless CompactFlash Card", 0x0733cc81, 0x0c52f395), PCMCIA_DEVICE_PROD_ID12("Lucent Technologies", "WaveLAN/IEEE", 0x23eb9949, 0xc562e72a), PCMCIA_DEVICE_PROD_ID12("MELCO", "WLI-PCM-L11", 0x481e0094, 0x7360e410), PCMCIA_DEVICE_PROD_ID12("MELCO", "WLI-PCM-L11G", 0x481e0094, 0xf57ca4b3), PCMCIA_DEVICE_PROD_ID12("Microsoft", "Wireless Notebook Adapter MN-520", 0x5961bf85, 0x6eec8c01), PCMCIA_DEVICE_PROD_ID12("NCR", "WaveLAN/IEEE", 0x24358cd4, 0xc562e72a), + PCMCIA_DEVICE_PROD_ID12("NETGEAR MA401 Wireless PC", "Card", 0xa37434e9, 0x9762e8f1), PCMCIA_DEVICE_PROD_ID12("NETGEAR MA401RA Wireless PC", "Card", 0x0306467f, 0x9762e8f1), + PCMCIA_DEVICE_PROD_ID12("Nortel Networks", "emobility 802.11 Wireless LAN PC Card", 0x2d617ea0, 0x88cd5767), + PCMCIA_DEVICE_PROD_ID12("OEM", "PRISM2 IEEE 802.11 PC-Card", 0xfea54c90, 0x48f2bdd6), + PCMCIA_DEVICE_PROD_ID12("OTC", "Wireless AirEZY 2411-PCC WLAN Card", 0x4ac44287, 0x235a6bed), + PCMCIA_DEVICE_PROD_ID123("PCMCIA", "11M WLAN Card v2.5", "ISL37300P", 0x281f1c5d, 0x6e440487, 0xc9049a39), PCMCIA_DEVICE_PROD_ID12("PLANEX", "GeoWave/GW-CF110", 0x209f40ab, 0xd9715264), + PCMCIA_DEVICE_PROD_ID12("PLANEX", "GeoWave/GW-NS110", 0x209f40ab, 0x46263178), PCMCIA_DEVICE_PROD_ID12("PROXIM", "LAN PC CARD HARMONY 80211B", 0xc6536a5e, 0x090c3cd9), PCMCIA_DEVICE_PROD_ID12("PROXIM", "LAN PCI CARD HARMONY 80211B", 0xc6536a5e, 0x9f494e26), PCMCIA_DEVICE_PROD_ID12("SAMSUNG", "11Mbps WLAN Card", 0x43d74cb4, 0x579bd91b), - PCMCIA_DEVICE_PROD_ID1("Symbol Technologies", 0x3f02b4d6), + PCMCIA_DEVICE_PROD_ID12("SMC", "SMC2632W", 0xc4f8b18b, 0x474a1f2a), + PCMCIA_DEVICE_PROD_ID12("Symbol Technologies", "LA4111 Spectrum24 Wireless LAN PC Card", 0x3f02b4d6, 0x3663cb0e), + PCMCIA_DEVICE_PROD_ID123("The Linksys Group, Inc.", "Instant Wireless Network PC Card", "ISL37300P", 0xa5f472c2, 0x590eb502, 0xc9049a39), + PCMCIA_DEVICE_PROD_ID12("ZoomAir 11Mbps High", "Rate wireless Networking", 0x273fe3db, 0x32a1eaee), PCMCIA_DEVICE_NULL, }; MODULE_DEVICE_TABLE(pcmcia, orinoco_cs_ids); @@ -656,8 +666,8 @@ static struct pcmcia_driver orinoco_driver = { .name = DRIVER_NAME, }, .attach = orinoco_cs_attach, - .event = orinoco_cs_event, .detach = orinoco_cs_detach, + .event = orinoco_cs_event, .id_table = orinoco_cs_ids, }; diff --git a/drivers/net/wireless/orinoco_nortel.c b/drivers/net/wireless/orinoco_nortel.c index 86fa58e5cfac..d8afd51ff8a5 100644 --- a/drivers/net/wireless/orinoco_nortel.c +++ b/drivers/net/wireless/orinoco_nortel.c @@ -40,29 +40,13 @@ #define PFX DRIVER_NAME ": " #include <linux/config.h> - #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> -#include <linux/sched.h> -#include <linux/ptrace.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <linux/timer.h> -#include <linux/ioport.h> -#include <asm/uaccess.h> -#include <asm/io.h> -#include <asm/system.h> -#include <linux/netdevice.h> -#include <linux/if_arp.h> -#include <linux/etherdevice.h> -#include <linux/list.h> +#include <linux/delay.h> #include <linux/pci.h> -#include <linux/fcntl.h> - #include <pcmcia/cisreg.h> -#include "hermes.h" #include "orinoco.h" #define COR_OFFSET (0xe0) /* COR attribute offset of Prism2 PC card */ @@ -108,7 +92,7 @@ static int nortel_pci_cor_reset(struct orinoco_private *priv) return 0; } -int nortel_pci_hw_init(struct nortel_pci_card *card) +static int nortel_pci_hw_init(struct nortel_pci_card *card) { int i; u32 reg; diff --git a/drivers/net/wireless/orinoco_pci.c b/drivers/net/wireless/orinoco_pci.c index 42e03438291b..5362c214fc8e 100644 --- a/drivers/net/wireless/orinoco_pci.c +++ b/drivers/net/wireless/orinoco_pci.c @@ -93,28 +93,12 @@ #define PFX DRIVER_NAME ": " #include <linux/config.h> - #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> -#include <linux/sched.h> -#include <linux/ptrace.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <linux/timer.h> -#include <linux/ioport.h> -#include <linux/netdevice.h> -#include <linux/if_arp.h> -#include <linux/etherdevice.h> -#include <linux/list.h> +#include <linux/delay.h> #include <linux/pci.h> -#include <linux/fcntl.h> - -#include <asm/uaccess.h> -#include <asm/io.h> -#include <asm/system.h> -#include "hermes.h" #include "orinoco.h" /* All the magic there is from wlan-ng */ diff --git a/drivers/net/wireless/orinoco_plx.c b/drivers/net/wireless/orinoco_plx.c index 7ab05b89fb3f..210e73776545 100644 --- a/drivers/net/wireless/orinoco_plx.c +++ b/drivers/net/wireless/orinoco_plx.c @@ -117,29 +117,13 @@ #define PFX DRIVER_NAME ": " #include <linux/config.h> - #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> -#include <linux/sched.h> -#include <linux/ptrace.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <linux/timer.h> -#include <linux/ioport.h> -#include <asm/uaccess.h> -#include <asm/io.h> -#include <asm/system.h> -#include <linux/netdevice.h> -#include <linux/if_arp.h> -#include <linux/etherdevice.h> -#include <linux/list.h> +#include <linux/delay.h> #include <linux/pci.h> -#include <linux/fcntl.h> - #include <pcmcia/cisreg.h> -#include "hermes.h" #include "orinoco.h" #define COR_OFFSET (0x3e0) /* COR attribute offset of Prism2 PC card */ diff --git a/drivers/net/wireless/orinoco_tmd.c b/drivers/net/wireless/orinoco_tmd.c index 85893f42445b..5e68b7026186 100644 --- a/drivers/net/wireless/orinoco_tmd.c +++ b/drivers/net/wireless/orinoco_tmd.c @@ -53,29 +53,13 @@ #define PFX DRIVER_NAME ": " #include <linux/config.h> - #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> -#include <linux/sched.h> -#include <linux/ptrace.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <linux/timer.h> -#include <linux/ioport.h> -#include <asm/uaccess.h> -#include <asm/io.h> -#include <asm/system.h> -#include <linux/netdevice.h> -#include <linux/if_arp.h> -#include <linux/etherdevice.h> -#include <linux/list.h> +#include <linux/delay.h> #include <linux/pci.h> -#include <linux/fcntl.h> - #include <pcmcia/cisreg.h> -#include "hermes.h" #include "orinoco.h" #define COR_VALUE (COR_LEVEL_REQ | COR_FUNC_ENA) /* Enable PC card with interrupt in level trigger */ diff --git a/drivers/net/wireless/prism54/isl_ioctl.c b/drivers/net/wireless/prism54/isl_ioctl.c index 9a8790e3580c..5c1a1adf1ff8 100644 --- a/drivers/net/wireless/prism54/isl_ioctl.c +++ b/drivers/net/wireless/prism54/isl_ioctl.c @@ -462,14 +462,12 @@ prism54_get_range(struct net_device *ndev, struct iw_request_info *info, /* txpower is supported in dBm's */ range->txpower_capa = IW_TXPOW_DBM; -#if WIRELESS_EXT > 16 /* Event capability (kernel + driver) */ range->event_capa[0] = (IW_EVENT_CAPA_K_0 | IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) | IW_EVENT_CAPA_MASK(SIOCGIWAP)); range->event_capa[1] = IW_EVENT_CAPA_K_1; range->event_capa[4] = IW_EVENT_CAPA_MASK(IWEVCUSTOM); -#endif /* WIRELESS_EXT > 16 */ if (islpci_get_state(priv) < PRV_STATE_INIT) return 0; @@ -693,14 +691,13 @@ prism54_get_scan(struct net_device *ndev, struct iw_request_info *info, extra + dwrq->length, &(bsslist->bsslist[i]), noise); -#if WIRELESS_EXT > 16 + /* Check if there is space for one more entry */ if((extra + dwrq->length - current_ev) <= IW_EV_ADDR_LEN) { /* Ask user space to try again with a bigger buffer */ rvalue = -E2BIG; break; } -#endif /* WIRELESS_EXT > 16 */ } kfree(bsslist); @@ -2727,12 +2724,7 @@ const struct iw_handler_def prism54_handler_def = { .standard = (iw_handler *) prism54_handler, .private = (iw_handler *) prism54_private_handler, .private_args = (struct iw_priv_args *) prism54_private_args, -#if WIRELESS_EXT > 16 .get_wireless_stats = prism54_get_wireless_stats, -#endif /* WIRELESS_EXT > 16 */ -#if WIRELESS_EXT == 16 - .spy_offset = offsetof(islpci_private, spy_data), -#endif /* WIRELESS_EXT == 16 */ }; /* For wpa_supplicant */ diff --git a/drivers/net/wireless/prism54/islpci_dev.c b/drivers/net/wireless/prism54/islpci_dev.c index 6f13d4a8e2d3..78bdb359835e 100644 --- a/drivers/net/wireless/prism54/islpci_dev.c +++ b/drivers/net/wireless/prism54/islpci_dev.c @@ -439,8 +439,7 @@ prism54_bring_down(islpci_private *priv) wmb(); /* wait a while for the device to reset */ - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(50*HZ/1000); + schedule_timeout_uninterruptible(msecs_to_jiffies(50)); return 0; } @@ -491,8 +490,7 @@ islpci_reset_if(islpci_private *priv) /* The software reset acknowledge needs about 220 msec here. * Be conservative and wait for up to one second. */ - set_current_state(TASK_UNINTERRUPTIBLE); - remaining = schedule_timeout(HZ); + remaining = schedule_timeout_uninterruptible(HZ); if(remaining > 0) { result = 0; @@ -756,8 +754,7 @@ islpci_free_memory(islpci_private *priv) pci_unmap_single(priv->pdev, buf->pci_addr, buf->size, PCI_DMA_FROMDEVICE); buf->pci_addr = 0; - if (buf->mem) - kfree(buf->mem); + kfree(buf->mem); buf->size = 0; buf->mem = NULL; } @@ -839,13 +836,9 @@ islpci_setup(struct pci_dev *pdev) priv->ndev->type = (priv->iw_mode == IW_MODE_MONITOR) ? priv->monitor_type : ARPHRD_ETHER; -#if WIRELESS_EXT > 16 /* Add pointers to enable iwspy support. */ priv->wireless_data.spy_data = &priv->spy_data; ndev->wireless_data = &priv->wireless_data; -#else /* WIRELESS_EXT > 16 */ - ndev->get_wireless_stats = &prism54_get_wireless_stats; -#endif /* WIRELESS_EXT > 16 */ /* save the start and end address of the PCI memory area */ ndev->mem_start = (unsigned long) priv->device_base; diff --git a/drivers/net/wireless/prism54/islpci_dev.h b/drivers/net/wireless/prism54/islpci_dev.h index 32a1019f1b36..efbed4397951 100644 --- a/drivers/net/wireless/prism54/islpci_dev.h +++ b/drivers/net/wireless/prism54/islpci_dev.h @@ -100,9 +100,7 @@ typedef struct { struct iw_spy_data spy_data; /* iwspy support */ -#if WIRELESS_EXT > 16 struct iw_public_data wireless_data; -#endif /* WIRELESS_EXT > 16 */ int monitor_type; /* ARPHRD_IEEE80211 or ARPHRD_IEEE80211_PRISM */ diff --git a/drivers/net/wireless/prism54/islpci_eth.c b/drivers/net/wireless/prism54/islpci_eth.c index 5952e9960499..3b49efa37ee5 100644 --- a/drivers/net/wireless/prism54/islpci_eth.c +++ b/drivers/net/wireless/prism54/islpci_eth.c @@ -97,12 +97,6 @@ islpci_eth_transmit(struct sk_buff *skb, struct net_device *ndev) /* lock the driver code */ spin_lock_irqsave(&priv->slock, flags); - /* determine the amount of fragments needed to store the frame */ - - frame_size = skb->len < ETH_ZLEN ? ETH_ZLEN : skb->len; - if (init_wds) - frame_size += 6; - /* check whether the destination queue has enough fragments for the frame */ curr_frag = le32_to_cpu(cb->driver_curr_frag[ISL38XX_CB_TX_DATA_LQ]); if (unlikely(curr_frag - priv->free_data_tx >= ISL38XX_CB_TX_QSIZE)) { @@ -213,6 +207,7 @@ islpci_eth_transmit(struct sk_buff *skb, struct net_device *ndev) /* store the skb address for future freeing */ priv->data_low_tx[index] = skb; /* set the proper fragment start address and size information */ + frame_size = skb->len; fragment->size = cpu_to_le16(frame_size); fragment->flags = cpu_to_le16(0); /* set to 1 if more fragments */ fragment->address = cpu_to_le32(pci_map_address); @@ -246,12 +241,10 @@ islpci_eth_transmit(struct sk_buff *skb, struct net_device *ndev) return 0; drop_free: - /* free the skbuf structure before aborting */ - dev_kfree_skb(skb); - skb = NULL; - priv->statistics.tx_dropped++; spin_unlock_irqrestore(&priv->slock, flags); + dev_kfree_skb(skb); + skb = NULL; return err; } diff --git a/drivers/net/wireless/prism54/islpci_mgt.c b/drivers/net/wireless/prism54/islpci_mgt.c index b6f2e5a223be..6a60c5970cb5 100644 --- a/drivers/net/wireless/prism54/islpci_mgt.c +++ b/drivers/net/wireless/prism54/islpci_mgt.c @@ -137,7 +137,7 @@ islpci_mgmt_rx_fill(struct net_device *ndev) PCI_DMA_FROMDEVICE); if (!buf->pci_addr) { printk(KERN_WARNING - "Failed to make memory DMA'able\n."); + "Failed to make memory DMA'able.\n"); return -ENOMEM; } } @@ -455,7 +455,7 @@ islpci_mgt_transaction(struct net_device *ndev, struct islpci_mgmtframe **recvframe) { islpci_private *priv = netdev_priv(ndev); - const long wait_cycle_jiffies = (ISL38XX_WAIT_CYCLE * 10 * HZ) / 1000; + const long wait_cycle_jiffies = msecs_to_jiffies(ISL38XX_WAIT_CYCLE * 10); long timeout_left = ISL38XX_MAX_WAIT_CYCLES * wait_cycle_jiffies; int err; DEFINE_WAIT(wait); @@ -475,8 +475,7 @@ islpci_mgt_transaction(struct net_device *ndev, int timeleft; struct islpci_mgmtframe *frame; - set_current_state(TASK_UNINTERRUPTIBLE); - timeleft = schedule_timeout(wait_cycle_jiffies); + timeleft = schedule_timeout_uninterruptible(wait_cycle_jiffies); frame = xchg(&priv->mgmt_received, NULL); if (frame) { if (frame->header->oid == oid) { diff --git a/drivers/net/wireless/prism54/oid_mgt.c b/drivers/net/wireless/prism54/oid_mgt.c index 12123e24b113..eea2f04c8c6d 100644 --- a/drivers/net/wireless/prism54/oid_mgt.c +++ b/drivers/net/wireless/prism54/oid_mgt.c @@ -268,11 +268,10 @@ mgt_clean(islpci_private *priv) if (!priv->mib) return; - for (i = 0; i < OID_NUM_LAST; i++) - if (priv->mib[i]) { - kfree(priv->mib[i]); - priv->mib[i] = NULL; - } + for (i = 0; i < OID_NUM_LAST; i++) { + kfree(priv->mib[i]); + priv->mib[i] = NULL; + } kfree(priv->mib); priv->mib = NULL; } diff --git a/drivers/net/wireless/ray_cs.c b/drivers/net/wireless/ray_cs.c index e9c5ea0f5535..70fd6fd8feb9 100644 --- a/drivers/net/wireless/ray_cs.c +++ b/drivers/net/wireless/ray_cs.c @@ -1649,28 +1649,28 @@ static iw_stats * ray_get_wireless_stats(struct net_device * dev) */ static const iw_handler ray_handler[] = { - [SIOCSIWCOMMIT-SIOCIWFIRST] (iw_handler) ray_commit, - [SIOCGIWNAME -SIOCIWFIRST] (iw_handler) ray_get_name, - [SIOCSIWFREQ -SIOCIWFIRST] (iw_handler) ray_set_freq, - [SIOCGIWFREQ -SIOCIWFIRST] (iw_handler) ray_get_freq, - [SIOCSIWMODE -SIOCIWFIRST] (iw_handler) ray_set_mode, - [SIOCGIWMODE -SIOCIWFIRST] (iw_handler) ray_get_mode, - [SIOCGIWRANGE -SIOCIWFIRST] (iw_handler) ray_get_range, + [SIOCSIWCOMMIT-SIOCIWFIRST] = (iw_handler) ray_commit, + [SIOCGIWNAME -SIOCIWFIRST] = (iw_handler) ray_get_name, + [SIOCSIWFREQ -SIOCIWFIRST] = (iw_handler) ray_set_freq, + [SIOCGIWFREQ -SIOCIWFIRST] = (iw_handler) ray_get_freq, + [SIOCSIWMODE -SIOCIWFIRST] = (iw_handler) ray_set_mode, + [SIOCGIWMODE -SIOCIWFIRST] = (iw_handler) ray_get_mode, + [SIOCGIWRANGE -SIOCIWFIRST] = (iw_handler) ray_get_range, #ifdef WIRELESS_SPY - [SIOCSIWSPY -SIOCIWFIRST] (iw_handler) iw_handler_set_spy, - [SIOCGIWSPY -SIOCIWFIRST] (iw_handler) iw_handler_get_spy, - [SIOCSIWTHRSPY-SIOCIWFIRST] (iw_handler) iw_handler_set_thrspy, - [SIOCGIWTHRSPY-SIOCIWFIRST] (iw_handler) iw_handler_get_thrspy, + [SIOCSIWSPY -SIOCIWFIRST] = (iw_handler) iw_handler_set_spy, + [SIOCGIWSPY -SIOCIWFIRST] = (iw_handler) iw_handler_get_spy, + [SIOCSIWTHRSPY-SIOCIWFIRST] = (iw_handler) iw_handler_set_thrspy, + [SIOCGIWTHRSPY-SIOCIWFIRST] = (iw_handler) iw_handler_get_thrspy, #endif /* WIRELESS_SPY */ - [SIOCGIWAP -SIOCIWFIRST] (iw_handler) ray_get_wap, - [SIOCSIWESSID -SIOCIWFIRST] (iw_handler) ray_set_essid, - [SIOCGIWESSID -SIOCIWFIRST] (iw_handler) ray_get_essid, - [SIOCSIWRATE -SIOCIWFIRST] (iw_handler) ray_set_rate, - [SIOCGIWRATE -SIOCIWFIRST] (iw_handler) ray_get_rate, - [SIOCSIWRTS -SIOCIWFIRST] (iw_handler) ray_set_rts, - [SIOCGIWRTS -SIOCIWFIRST] (iw_handler) ray_get_rts, - [SIOCSIWFRAG -SIOCIWFIRST] (iw_handler) ray_set_frag, - [SIOCGIWFRAG -SIOCIWFIRST] (iw_handler) ray_get_frag, + [SIOCGIWAP -SIOCIWFIRST] = (iw_handler) ray_get_wap, + [SIOCSIWESSID -SIOCIWFIRST] = (iw_handler) ray_set_essid, + [SIOCGIWESSID -SIOCIWFIRST] = (iw_handler) ray_get_essid, + [SIOCSIWRATE -SIOCIWFIRST] = (iw_handler) ray_set_rate, + [SIOCGIWRATE -SIOCIWFIRST] = (iw_handler) ray_get_rate, + [SIOCSIWRTS -SIOCIWFIRST] = (iw_handler) ray_set_rts, + [SIOCGIWRTS -SIOCIWFIRST] = (iw_handler) ray_get_rts, + [SIOCSIWFRAG -SIOCIWFIRST] = (iw_handler) ray_set_frag, + [SIOCGIWFRAG -SIOCIWFIRST] = (iw_handler) ray_get_frag, }; #define SIOCSIPFRAMING SIOCIWFIRSTPRIV /* Set framing mode */ @@ -1678,9 +1678,9 @@ static const iw_handler ray_handler[] = { #define SIOCGIPCOUNTRY SIOCIWFIRSTPRIV + 3 /* Get country code */ static const iw_handler ray_private_handler[] = { - [0] (iw_handler) ray_set_framing, - [1] (iw_handler) ray_get_framing, - [3] (iw_handler) ray_get_country, + [0] = (iw_handler) ray_set_framing, + [1] = (iw_handler) ray_get_framing, + [3] = (iw_handler) ray_get_country, }; static const struct iw_priv_args ray_private_args[] = { diff --git a/drivers/net/wireless/spectrum_cs.c b/drivers/net/wireless/spectrum_cs.c index 39c6cdf7f3f7..b1bbc8e8e91f 100644 --- a/drivers/net/wireless/spectrum_cs.c +++ b/drivers/net/wireless/spectrum_cs.c @@ -22,58 +22,23 @@ #define PFX DRIVER_NAME ": " #include <linux/config.h> -#ifdef __IN_PCMCIA_PACKAGE__ -#include <pcmcia/k_compat.h> -#endif /* __IN_PCMCIA_PACKAGE__ */ - #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> -#include <linux/sched.h> -#include <linux/ptrace.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <linux/ioport.h> -#include <linux/netdevice.h> -#include <linux/if_arp.h> -#include <linux/etherdevice.h> -#include <linux/wireless.h> - +#include <linux/delay.h> +#include <linux/firmware.h> #include <pcmcia/cs_types.h> #include <pcmcia/cs.h> #include <pcmcia/cistpl.h> #include <pcmcia/cisreg.h> #include <pcmcia/ds.h> -#include <asm/uaccess.h> -#include <asm/io.h> -#include <asm/system.h> - #include "orinoco.h" -/* - * If SPECTRUM_FW_INCLUDED is defined, the firmware is hardcoded into - * the driver. Use get_symbol_fw script to generate spectrum_fw.h and - * copy it to the same directory as spectrum_cs.c. - * - * If SPECTRUM_FW_INCLUDED is not defined, the firmware is loaded at the - * runtime using hotplug. Use the same get_symbol_fw script to generate - * files symbol_sp24t_prim_fw symbol_sp24t_sec_fw, copy them to the - * hotplug firmware directory (typically /usr/lib/hotplug/firmware) and - * make sure that you have hotplug installed and enabled in the kernel. - */ -/* #define SPECTRUM_FW_INCLUDED 1 */ - -#ifdef SPECTRUM_FW_INCLUDED -/* Header with the firmware */ -#include "spectrum_fw.h" -#else /* !SPECTRUM_FW_INCLUDED */ -#include <linux/firmware.h> static unsigned char *primsym; static unsigned char *secsym; static const char primary_fw_name[] = "symbol_sp24t_prim_fw"; static const char secondary_fw_name[] = "symbol_sp24t_sec_fw"; -#endif /* !SPECTRUM_FW_INCLUDED */ /********************************************************************/ /* Module stuff */ @@ -124,17 +89,8 @@ static dev_link_t *dev_list; /* = NULL */ /* Function prototypes */ /********************************************************************/ -/* device methods */ -static int spectrum_cs_hard_reset(struct orinoco_private *priv); - -/* PCMCIA gumpf */ -static void spectrum_cs_config(dev_link_t * link); -static void spectrum_cs_release(dev_link_t * link); -static int spectrum_cs_event(event_t event, int priority, - event_callback_args_t * args); - -static dev_link_t *spectrum_cs_attach(void); -static void spectrum_cs_detach(dev_link_t *); +static void spectrum_cs_release(dev_link_t *link); +static void spectrum_cs_detach(dev_link_t *link); /********************************************************************/ /* Firmware downloader */ @@ -182,8 +138,8 @@ static void spectrum_cs_detach(dev_link_t *); * Each block has the following structure. */ struct dblock { - u32 _addr; /* adapter address where to write the block */ - u16 _len; /* length of the data only, in bytes */ + __le32 _addr; /* adapter address where to write the block */ + __le16 _len; /* length of the data only, in bytes */ char data[0]; /* data to be written */ } __attribute__ ((packed)); @@ -193,9 +149,9 @@ struct dblock { * items with matching ID should be written. */ struct pdr { - u32 _id; /* record ID */ - u32 _addr; /* adapter address where to write the data */ - u32 _len; /* expected length of the data, in bytes */ + __le32 _id; /* record ID */ + __le32 _addr; /* adapter address where to write the data */ + __le32 _len; /* expected length of the data, in bytes */ char next[0]; /* next PDR starts here */ } __attribute__ ((packed)); @@ -206,8 +162,8 @@ struct pdr { * be plugged into the secondary firmware. */ struct pdi { - u16 _len; /* length of ID and data, in words */ - u16 _id; /* record ID */ + __le16 _len; /* length of ID and data, in words */ + __le16 _id; /* record ID */ char data[0]; /* plug data */ } __attribute__ ((packed));; @@ -414,7 +370,7 @@ spectrum_plug_pdi(hermes_t *hw, struct pdr *first_pdr, struct pdi *pdi) /* Read PDA from the adapter */ static int -spectrum_read_pda(hermes_t *hw, u16 *pda, int pda_len) +spectrum_read_pda(hermes_t *hw, __le16 *pda, int pda_len) { int ret; int pda_size; @@ -445,7 +401,7 @@ spectrum_read_pda(hermes_t *hw, u16 *pda, int pda_len) /* Parse PDA and write the records into the adapter */ static int spectrum_apply_pda(hermes_t *hw, const struct dblock *first_block, - u16 *pda) + __le16 *pda) { int ret; struct pdi *pdi; @@ -511,7 +467,7 @@ spectrum_dl_image(hermes_t *hw, dev_link_t *link, const struct dblock *first_block; /* Plug Data Area (PDA) */ - u16 pda[PDA_WORDS]; + __le16 pda[PDA_WORDS]; /* Binary block begins after the 0x1A marker */ ptr = image; @@ -571,8 +527,6 @@ spectrum_dl_firmware(hermes_t *hw, dev_link_t *link) { int ret; client_handle_t handle = link->handle; - -#ifndef SPECTRUM_FW_INCLUDED const struct firmware *fw_entry; if (request_firmware(&fw_entry, primary_fw_name, @@ -592,7 +546,6 @@ spectrum_dl_firmware(hermes_t *hw, dev_link_t *link) secondary_fw_name); return -ENOENT; } -#endif /* Load primary firmware */ ret = spectrum_dl_image(hw, link, primsym); @@ -1085,7 +1038,7 @@ static char version[] __initdata = DRIVER_NAME " " DRIVER_VERSION static struct pcmcia_device_id spectrum_cs_ids[] = { PCMCIA_DEVICE_MANF_CARD(0x026c, 0x0001), /* Symbol Spectrum24 LA4100 */ PCMCIA_DEVICE_MANF_CARD(0x0104, 0x0001), /* Socket Communications CF */ - PCMCIA_DEVICE_MANF_CARD(0x0089, 0x0001), /* Intel PRO/Wireless 2011B */ + PCMCIA_DEVICE_PROD_ID12("Intel", "PRO/Wireless LAN PC Card", 0x816cc815, 0x6fbf459a), /* 2011B, not 2011 */ PCMCIA_DEVICE_NULL, }; MODULE_DEVICE_TABLE(pcmcia, spectrum_cs_ids); @@ -1096,8 +1049,8 @@ static struct pcmcia_driver orinoco_driver = { .name = DRIVER_NAME, }, .attach = spectrum_cs_attach, - .event = spectrum_cs_event, .detach = spectrum_cs_detach, + .event = spectrum_cs_event, .id_table = spectrum_cs_ids, }; diff --git a/drivers/net/wireless/strip.c b/drivers/net/wireless/strip.c index 7bc7fc823128..d25264ba0c0e 100644 --- a/drivers/net/wireless/strip.c +++ b/drivers/net/wireless/strip.c @@ -860,12 +860,9 @@ static int allocate_buffers(struct strip *strip_info, int mtu) strip_info->mtu = dev->mtu = mtu; return (1); } - if (r) - kfree(r); - if (s) - kfree(s); - if (t) - kfree(t); + kfree(r); + kfree(s); + kfree(t); return (0); } @@ -922,13 +919,9 @@ static int strip_change_mtu(struct net_device *dev, int new_mtu) printk(KERN_NOTICE "%s: strip MTU changed fom %d to %d.\n", strip_info->dev->name, old_mtu, strip_info->mtu); - if (orbuff) - kfree(orbuff); - if (osbuff) - kfree(osbuff); - if (otbuff) - kfree(otbuff); - + kfree(orbuff); + kfree(osbuff); + kfree(otbuff); return 0; } @@ -2498,18 +2491,13 @@ static int strip_close_low(struct net_device *dev) /* * Free all STRIP frame buffers. */ - if (strip_info->rx_buff) { - kfree(strip_info->rx_buff); - strip_info->rx_buff = NULL; - } - if (strip_info->sx_buff) { - kfree(strip_info->sx_buff); - strip_info->sx_buff = NULL; - } - if (strip_info->tx_buff) { - kfree(strip_info->tx_buff); - strip_info->tx_buff = NULL; - } + kfree(strip_info->rx_buff); + strip_info->rx_buff = NULL; + kfree(strip_info->sx_buff); + strip_info->sx_buff = NULL; + kfree(strip_info->tx_buff); + strip_info->tx_buff = NULL; + del_timer(&strip_info->idle_timer); return 0; } diff --git a/drivers/net/wireless/wavelan.c b/drivers/net/wireless/wavelan.c index 7a5e20a17890..b0d8b5b03152 100644 --- a/drivers/net/wireless/wavelan.c +++ b/drivers/net/wireless/wavelan.c @@ -430,7 +430,6 @@ static void fee_read(unsigned long ioaddr, /* I/O port of the card */ } } -#ifdef WIRELESS_EXT /* if the wireless extension exists in the kernel */ /*------------------------------------------------------------------*/ /* @@ -514,7 +513,6 @@ static void fee_write(unsigned long ioaddr, /* I/O port of the card */ fee_wait(ioaddr, 10, 100); #endif /* EEPROM_IS_PROTECTED */ } -#endif /* WIRELESS_EXT */ /************************ I82586 SUBROUTINES *************************/ /* @@ -973,11 +971,9 @@ static void wv_mmc_show(struct net_device * dev) mmc_read(ioaddr, 0, (u8 *) & m, sizeof(m)); mmc_out(ioaddr, mmwoff(0, mmw_freeze), 0); -#ifdef WIRELESS_EXT /* if wireless extension exists in the kernel */ /* Don't forget to update statistics */ lp->wstats.discard.nwid += (m.mmr_wrong_nwid_h << 8) | m.mmr_wrong_nwid_l; -#endif /* WIRELESS_EXT */ printk(KERN_DEBUG "##### WaveLAN modem status registers: #####\n"); #ifdef DEBUG_SHOW_UNUSED @@ -1499,7 +1495,6 @@ static int wavelan_set_mac_address(struct net_device * dev, void *addr) } #endif /* SET_MAC_ADDRESS */ -#ifdef WIRELESS_EXT /* if wireless extensions exist in the kernel */ /*------------------------------------------------------------------*/ /* @@ -2473,7 +2468,6 @@ static iw_stats *wavelan_get_wireless_stats(struct net_device * dev) #endif return &lp->wstats; } -#endif /* WIRELESS_EXT */ /************************* PACKET RECEPTION *************************/ /* @@ -4194,11 +4188,9 @@ static int __init wavelan_config(struct net_device *dev, unsigned short ioaddr) dev->set_mac_address = &wavelan_set_mac_address; #endif /* SET_MAC_ADDRESS */ -#ifdef WIRELESS_EXT /* if wireless extension exists in the kernel */ dev->wireless_handlers = &wavelan_handler_def; lp->wireless_data.spy_data = &lp->spy_data; dev->wireless_data = &lp->wireless_data; -#endif dev->mtu = WAVELAN_MTU; diff --git a/drivers/net/wireless/wavelan.p.h b/drivers/net/wireless/wavelan.p.h index 509ff22a6caa..166e28b9a4f7 100644 --- a/drivers/net/wireless/wavelan.p.h +++ b/drivers/net/wireless/wavelan.p.h @@ -409,11 +409,9 @@ #define MULTICAST_AVOID /* Avoid extra multicast (I'm sceptical). */ #undef SET_MAC_ADDRESS /* Experimental */ -#ifdef WIRELESS_EXT /* If wireless extensions exist in the kernel */ /* Warning: this stuff will slow down the driver. */ #define WIRELESS_SPY /* Enable spying addresses. */ #undef HISTOGRAM /* Enable histogram of signal level. */ -#endif /****************************** DEBUG ******************************/ @@ -506,12 +504,10 @@ struct net_local u_short tx_first_free; u_short tx_first_in_use; -#ifdef WIRELESS_EXT iw_stats wstats; /* Wireless-specific statistics */ struct iw_spy_data spy_data; struct iw_public_data wireless_data; -#endif #ifdef HISTOGRAM int his_number; /* number of intervals */ diff --git a/drivers/net/wireless/wavelan_cs.c b/drivers/net/wireless/wavelan_cs.c index 183c4732ef65..4b3c98f5c564 100644 --- a/drivers/net/wireless/wavelan_cs.c +++ b/drivers/net/wireless/wavelan_cs.c @@ -415,7 +415,6 @@ fee_read(u_long base, /* i/o port of the card */ } } -#ifdef WIRELESS_EXT /* If wireless extension exist in the kernel */ /*------------------------------------------------------------------*/ /* @@ -500,7 +499,6 @@ fee_write(u_long base, /* i/o port of the card */ fee_wait(base, 10, 100); #endif /* EEPROM_IS_PROTECTED */ } -#endif /* WIRELESS_EXT */ /******************* WaveLAN Roaming routines... ********************/ @@ -1161,10 +1159,8 @@ wv_mmc_show(struct net_device * dev) mmc_read(base, 0, (u_char *)&m, sizeof(m)); mmc_out(base, mmwoff(0, mmw_freeze), 0); -#ifdef WIRELESS_EXT /* If wireless extension exist in the kernel */ /* Don't forget to update statistics */ lp->wstats.discard.nwid += (m.mmr_wrong_nwid_h << 8) | m.mmr_wrong_nwid_l; -#endif /* WIRELESS_EXT */ spin_unlock_irqrestore(&lp->spinlock, flags); @@ -1550,7 +1546,6 @@ wavelan_set_mac_address(struct net_device * dev, } #endif /* SET_MAC_ADDRESS */ -#ifdef WIRELESS_EXT /* If wireless extension exist in the kernel */ /*------------------------------------------------------------------*/ /* @@ -2793,7 +2788,6 @@ wavelan_get_wireless_stats(struct net_device * dev) #endif return &lp->wstats; } -#endif /* WIRELESS_EXT */ /************************* PACKET RECEPTION *************************/ /* @@ -4679,11 +4673,9 @@ wavelan_attach(void) dev->watchdog_timeo = WATCHDOG_JIFFIES; SET_ETHTOOL_OPS(dev, &ops); -#ifdef WIRELESS_EXT /* If wireless extension exist in the kernel */ dev->wireless_handlers = &wavelan_handler_def; lp->wireless_data.spy_data = &lp->spy_data; dev->wireless_data = &lp->wireless_data; -#endif /* Other specific data */ dev->mtu = WAVELAN_MTU; diff --git a/drivers/net/wireless/wavelan_cs.p.h b/drivers/net/wireless/wavelan_cs.p.h index 01d882be8790..724a715089c9 100644 --- a/drivers/net/wireless/wavelan_cs.p.h +++ b/drivers/net/wireless/wavelan_cs.p.h @@ -472,11 +472,9 @@ #define MULTICAST_AVOID /* Avoid extra multicast (I'm sceptical) */ #undef SET_MAC_ADDRESS /* Experimental */ -#ifdef WIRELESS_EXT /* If wireless extension exist in the kernel */ /* Warning : these stuff will slow down the driver... */ #define WIRELESS_SPY /* Enable spying addresses */ #undef HISTOGRAM /* Enable histogram of sig level... */ -#endif /****************************** DEBUG ******************************/ @@ -624,12 +622,10 @@ struct net_local int rfp; /* Last DMA machine receive pointer */ int overrunning; /* Receiver overrun flag */ -#ifdef WIRELESS_EXT iw_stats wstats; /* Wireless specific stats */ struct iw_spy_data spy_data; struct iw_public_data wireless_data; -#endif #ifdef HISTOGRAM int his_number; /* Number of intervals */ diff --git a/drivers/net/wireless/wl3501.h b/drivers/net/wireless/wl3501.h index 7fcbe589c3f2..4303c50c2ab6 100644 --- a/drivers/net/wireless/wl3501.h +++ b/drivers/net/wireless/wl3501.h @@ -548,7 +548,7 @@ struct wl3501_80211_tx_plcp_hdr { struct wl3501_80211_tx_hdr { struct wl3501_80211_tx_plcp_hdr pclp_hdr; - struct ieee80211_hdr mac_hdr; + struct ieee80211_hdr_4addr mac_hdr; } __attribute__ ((packed)); /* |