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authorJeff Kirsher <jeffrey.t.kirsher@intel.com>2011-05-20 08:27:55 +0200
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2011-08-12 01:29:42 +0200
commita8fe65b8f031c5c0a7414059773eaa962e5243cb (patch)
tree7deefb4ca57299d315cf2e3f97b9919857eaacb4 /drivers/net/8139too.c
parentftgmac100/ftmac100: Move the Faraday drivers (diff)
downloadlinux-a8fe65b8f031c5c0a7414059773eaa962e5243cb.tar.xz
linux-a8fe65b8f031c5c0a7414059773eaa962e5243cb.zip
8139*/atp/r8169/sc92031: Move the Realtek drivers
Move the Realtek drivers into drivers/net/ethernet/realtek/ and make the necessary Kconfig and Makefile changes. CC: Realtek linux nic maintainers <nic_swsd@realtek.com> CC: Francois Romieu <romieu@fr.zoreil.com> CC: Jeff Garzik <jgarzik@pobox.com> CC: Donald Becker <becker@scyld.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/8139too.c')
-rw-r--r--drivers/net/8139too.c2622
1 files changed, 0 insertions, 2622 deletions
diff --git a/drivers/net/8139too.c b/drivers/net/8139too.c
deleted file mode 100644
index c2672c692d6f..000000000000
--- a/drivers/net/8139too.c
+++ /dev/null
@@ -1,2622 +0,0 @@
-/*
-
- 8139too.c: A RealTek RTL-8139 Fast Ethernet driver for Linux.
-
- Maintained by Jeff Garzik <jgarzik@pobox.com>
- Copyright 2000-2002 Jeff Garzik
-
- Much code comes from Donald Becker's rtl8139.c driver,
- versions 1.13 and older. This driver was originally based
- on rtl8139.c version 1.07. Header of rtl8139.c version 1.13:
-
- -----<snip>-----
-
- Written 1997-2001 by Donald Becker.
- This software may be used and distributed according to the
- terms of the GNU General Public License (GPL), incorporated
- herein by reference. Drivers based on or derived from this
- code fall under the GPL and must retain the authorship,
- copyright and license notice. This file is not a complete
- program and may only be used when the entire operating
- system is licensed under the GPL.
-
- This driver is for boards based on the RTL8129 and RTL8139
- PCI ethernet chips.
-
- The author may be reached as becker@scyld.com, or C/O Scyld
- Computing Corporation 410 Severn Ave., Suite 210 Annapolis
- MD 21403
-
- Support and updates available at
- http://www.scyld.com/network/rtl8139.html
-
- Twister-tuning table provided by Kinston
- <shangh@realtek.com.tw>.
-
- -----<snip>-----
-
- This software may be used and distributed according to the terms
- of the GNU General Public License, incorporated herein by reference.
-
- Contributors:
-
- Donald Becker - he wrote the original driver, kudos to him!
- (but please don't e-mail him for support, this isn't his driver)
-
- Tigran Aivazian - bug fixes, skbuff free cleanup
-
- Martin Mares - suggestions for PCI cleanup
-
- David S. Miller - PCI DMA and softnet updates
-
- Ernst Gill - fixes ported from BSD driver
-
- Daniel Kobras - identified specific locations of
- posted MMIO write bugginess
-
- Gerard Sharp - bug fix, testing and feedback
-
- David Ford - Rx ring wrap fix
-
- Dan DeMaggio - swapped RTL8139 cards with me, and allowed me
- to find and fix a crucial bug on older chipsets.
-
- Donald Becker/Chris Butterworth/Marcus Westergren -
- Noticed various Rx packet size-related buglets.
-
- Santiago Garcia Mantinan - testing and feedback
-
- Jens David - 2.2.x kernel backports
-
- Martin Dennett - incredibly helpful insight on undocumented
- features of the 8139 chips
-
- Jean-Jacques Michel - bug fix
-
- Tobias Ringström - Rx interrupt status checking suggestion
-
- Andrew Morton - Clear blocked signals, avoid
- buffer overrun setting current->comm.
-
- Kalle Olavi Niemitalo - Wake-on-LAN ioctls
-
- Robert Kuebel - Save kernel thread from dying on any signal.
-
- Submitting bug reports:
-
- "rtl8139-diag -mmmaaavvveefN" output
- enable RTL8139_DEBUG below, and look at 'dmesg' or kernel log
-
-*/
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#define DRV_NAME "8139too"
-#define DRV_VERSION "0.9.28"
-
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/compiler.h>
-#include <linux/pci.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/rtnetlink.h>
-#include <linux/delay.h>
-#include <linux/ethtool.h>
-#include <linux/mii.h>
-#include <linux/completion.h>
-#include <linux/crc32.h>
-#include <linux/io.h>
-#include <linux/uaccess.h>
-#include <linux/gfp.h>
-#include <asm/irq.h>
-
-#define RTL8139_DRIVER_NAME DRV_NAME " Fast Ethernet driver " DRV_VERSION
-
-/* Default Message level */
-#define RTL8139_DEF_MSG_ENABLE (NETIF_MSG_DRV | \
- NETIF_MSG_PROBE | \
- NETIF_MSG_LINK)
-
-
-/* define to 1, 2 or 3 to enable copious debugging info */
-#define RTL8139_DEBUG 0
-
-/* define to 1 to disable lightweight runtime debugging checks */
-#undef RTL8139_NDEBUG
-
-
-#ifdef RTL8139_NDEBUG
-# define assert(expr) do {} while (0)
-#else
-# define assert(expr) \
- if (unlikely(!(expr))) { \
- pr_err("Assertion failed! %s,%s,%s,line=%d\n", \
- #expr, __FILE__, __func__, __LINE__); \
- }
-#endif
-
-
-/* A few user-configurable values. */
-/* media options */
-#define MAX_UNITS 8
-static int media[MAX_UNITS] = {-1, -1, -1, -1, -1, -1, -1, -1};
-static int full_duplex[MAX_UNITS] = {-1, -1, -1, -1, -1, -1, -1, -1};
-
-/* Whether to use MMIO or PIO. Default to MMIO. */
-#ifdef CONFIG_8139TOO_PIO
-static int use_io = 1;
-#else
-static int use_io = 0;
-#endif
-
-/* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
- The RTL chips use a 64 element hash table based on the Ethernet CRC. */
-static int multicast_filter_limit = 32;
-
-/* bitmapped message enable number */
-static int debug = -1;
-
-/*
- * Receive ring size
- * Warning: 64K ring has hardware issues and may lock up.
- */
-#if defined(CONFIG_SH_DREAMCAST)
-#define RX_BUF_IDX 0 /* 8K ring */
-#else
-#define RX_BUF_IDX 2 /* 32K ring */
-#endif
-#define RX_BUF_LEN (8192 << RX_BUF_IDX)
-#define RX_BUF_PAD 16
-#define RX_BUF_WRAP_PAD 2048 /* spare padding to handle lack of packet wrap */
-
-#if RX_BUF_LEN == 65536
-#define RX_BUF_TOT_LEN RX_BUF_LEN
-#else
-#define RX_BUF_TOT_LEN (RX_BUF_LEN + RX_BUF_PAD + RX_BUF_WRAP_PAD)
-#endif
-
-/* Number of Tx descriptor registers. */
-#define NUM_TX_DESC 4
-
-/* max supported ethernet frame size -- must be at least (dev->mtu+14+4).*/
-#define MAX_ETH_FRAME_SIZE 1536
-
-/* Size of the Tx bounce buffers -- must be at least (dev->mtu+14+4). */
-#define TX_BUF_SIZE MAX_ETH_FRAME_SIZE
-#define TX_BUF_TOT_LEN (TX_BUF_SIZE * NUM_TX_DESC)
-
-/* PCI Tuning Parameters
- Threshold is bytes transferred to chip before transmission starts. */
-#define TX_FIFO_THRESH 256 /* In bytes, rounded down to 32 byte units. */
-
-/* The following settings are log_2(bytes)-4: 0 == 16 bytes .. 6==1024, 7==end of packet. */
-#define RX_FIFO_THRESH 7 /* Rx buffer level before first PCI xfer. */
-#define RX_DMA_BURST 7 /* Maximum PCI burst, '6' is 1024 */
-#define TX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */
-#define TX_RETRY 8 /* 0-15. retries = 16 + (TX_RETRY * 16) */
-
-/* Operational parameters that usually are not changed. */
-/* Time in jiffies before concluding the transmitter is hung. */
-#define TX_TIMEOUT (6*HZ)
-
-
-enum {
- HAS_MII_XCVR = 0x010000,
- HAS_CHIP_XCVR = 0x020000,
- HAS_LNK_CHNG = 0x040000,
-};
-
-#define RTL_NUM_STATS 4 /* number of ETHTOOL_GSTATS u64's */
-#define RTL_REGS_VER 1 /* version of reg. data in ETHTOOL_GREGS */
-#define RTL_MIN_IO_SIZE 0x80
-#define RTL8139B_IO_SIZE 256
-
-#define RTL8129_CAPS HAS_MII_XCVR
-#define RTL8139_CAPS (HAS_CHIP_XCVR|HAS_LNK_CHNG)
-
-typedef enum {
- RTL8139 = 0,
- RTL8129,
-} board_t;
-
-
-/* indexed by board_t, above */
-static const struct {
- const char *name;
- u32 hw_flags;
-} board_info[] __devinitdata = {
- { "RealTek RTL8139", RTL8139_CAPS },
- { "RealTek RTL8129", RTL8129_CAPS },
-};
-
-
-static DEFINE_PCI_DEVICE_TABLE(rtl8139_pci_tbl) = {
- {0x10ec, 0x8139, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
- {0x10ec, 0x8138, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
- {0x1113, 0x1211, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
- {0x1500, 0x1360, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
- {0x4033, 0x1360, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
- {0x1186, 0x1300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
- {0x1186, 0x1340, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
- {0x13d1, 0xab06, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
- {0x1259, 0xa117, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
- {0x1259, 0xa11e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
- {0x14ea, 0xab06, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
- {0x14ea, 0xab07, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
- {0x11db, 0x1234, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
- {0x1432, 0x9130, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
- {0x02ac, 0x1012, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
- {0x018a, 0x0106, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
- {0x126c, 0x1211, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
- {0x1743, 0x8139, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
- {0x021b, 0x8139, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
-
-#ifdef CONFIG_SH_SECUREEDGE5410
- /* Bogus 8139 silicon reports 8129 without external PROM :-( */
- {0x10ec, 0x8129, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
-#endif
-#ifdef CONFIG_8139TOO_8129
- {0x10ec, 0x8129, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8129 },
-#endif
-
- /* some crazy cards report invalid vendor ids like
- * 0x0001 here. The other ids are valid and constant,
- * so we simply don't match on the main vendor id.
- */
- {PCI_ANY_ID, 0x8139, 0x10ec, 0x8139, 0, 0, RTL8139 },
- {PCI_ANY_ID, 0x8139, 0x1186, 0x1300, 0, 0, RTL8139 },
- {PCI_ANY_ID, 0x8139, 0x13d1, 0xab06, 0, 0, RTL8139 },
-
- {0,}
-};
-MODULE_DEVICE_TABLE (pci, rtl8139_pci_tbl);
-
-static struct {
- const char str[ETH_GSTRING_LEN];
-} ethtool_stats_keys[] = {
- { "early_rx" },
- { "tx_buf_mapped" },
- { "tx_timeouts" },
- { "rx_lost_in_ring" },
-};
-
-/* The rest of these values should never change. */
-
-/* Symbolic offsets to registers. */
-enum RTL8139_registers {
- MAC0 = 0, /* Ethernet hardware address. */
- MAR0 = 8, /* Multicast filter. */
- TxStatus0 = 0x10, /* Transmit status (Four 32bit registers). */
- TxAddr0 = 0x20, /* Tx descriptors (also four 32bit). */
- RxBuf = 0x30,
- ChipCmd = 0x37,
- RxBufPtr = 0x38,
- RxBufAddr = 0x3A,
- IntrMask = 0x3C,
- IntrStatus = 0x3E,
- TxConfig = 0x40,
- RxConfig = 0x44,
- Timer = 0x48, /* A general-purpose counter. */
- RxMissed = 0x4C, /* 24 bits valid, write clears. */
- Cfg9346 = 0x50,
- Config0 = 0x51,
- Config1 = 0x52,
- TimerInt = 0x54,
- MediaStatus = 0x58,
- Config3 = 0x59,
- Config4 = 0x5A, /* absent on RTL-8139A */
- HltClk = 0x5B,
- MultiIntr = 0x5C,
- TxSummary = 0x60,
- BasicModeCtrl = 0x62,
- BasicModeStatus = 0x64,
- NWayAdvert = 0x66,
- NWayLPAR = 0x68,
- NWayExpansion = 0x6A,
- /* Undocumented registers, but required for proper operation. */
- FIFOTMS = 0x70, /* FIFO Control and test. */
- CSCR = 0x74, /* Chip Status and Configuration Register. */
- PARA78 = 0x78,
- FlashReg = 0xD4, /* Communication with Flash ROM, four bytes. */
- PARA7c = 0x7c, /* Magic transceiver parameter register. */
- Config5 = 0xD8, /* absent on RTL-8139A */
-};
-
-enum ClearBitMasks {
- MultiIntrClear = 0xF000,
- ChipCmdClear = 0xE2,
- Config1Clear = (1<<7)|(1<<6)|(1<<3)|(1<<2)|(1<<1),
-};
-
-enum ChipCmdBits {
- CmdReset = 0x10,
- CmdRxEnb = 0x08,
- CmdTxEnb = 0x04,
- RxBufEmpty = 0x01,
-};
-
-/* Interrupt register bits, using my own meaningful names. */
-enum IntrStatusBits {
- PCIErr = 0x8000,
- PCSTimeout = 0x4000,
- RxFIFOOver = 0x40,
- RxUnderrun = 0x20,
- RxOverflow = 0x10,
- TxErr = 0x08,
- TxOK = 0x04,
- RxErr = 0x02,
- RxOK = 0x01,
-
- RxAckBits = RxFIFOOver | RxOverflow | RxOK,
-};
-
-enum TxStatusBits {
- TxHostOwns = 0x2000,
- TxUnderrun = 0x4000,
- TxStatOK = 0x8000,
- TxOutOfWindow = 0x20000000,
- TxAborted = 0x40000000,
- TxCarrierLost = 0x80000000,
-};
-enum RxStatusBits {
- RxMulticast = 0x8000,
- RxPhysical = 0x4000,
- RxBroadcast = 0x2000,
- RxBadSymbol = 0x0020,
- RxRunt = 0x0010,
- RxTooLong = 0x0008,
- RxCRCErr = 0x0004,
- RxBadAlign = 0x0002,
- RxStatusOK = 0x0001,
-};
-
-/* Bits in RxConfig. */
-enum rx_mode_bits {
- AcceptErr = 0x20,
- AcceptRunt = 0x10,
- AcceptBroadcast = 0x08,
- AcceptMulticast = 0x04,
- AcceptMyPhys = 0x02,
- AcceptAllPhys = 0x01,
-};
-
-/* Bits in TxConfig. */
-enum tx_config_bits {
- /* Interframe Gap Time. Only TxIFG96 doesn't violate IEEE 802.3 */
- TxIFGShift = 24,
- TxIFG84 = (0 << TxIFGShift), /* 8.4us / 840ns (10 / 100Mbps) */
- TxIFG88 = (1 << TxIFGShift), /* 8.8us / 880ns (10 / 100Mbps) */
- TxIFG92 = (2 << TxIFGShift), /* 9.2us / 920ns (10 / 100Mbps) */
- TxIFG96 = (3 << TxIFGShift), /* 9.6us / 960ns (10 / 100Mbps) */
-
- TxLoopBack = (1 << 18) | (1 << 17), /* enable loopback test mode */
- TxCRC = (1 << 16), /* DISABLE Tx pkt CRC append */
- TxClearAbt = (1 << 0), /* Clear abort (WO) */
- TxDMAShift = 8, /* DMA burst value (0-7) is shifted X many bits */
- TxRetryShift = 4, /* TXRR value (0-15) is shifted X many bits */
-
- TxVersionMask = 0x7C800000, /* mask out version bits 30-26, 23 */
-};
-
-/* Bits in Config1 */
-enum Config1Bits {
- Cfg1_PM_Enable = 0x01,
- Cfg1_VPD_Enable = 0x02,
- Cfg1_PIO = 0x04,
- Cfg1_MMIO = 0x08,
- LWAKE = 0x10, /* not on 8139, 8139A */
- Cfg1_Driver_Load = 0x20,
- Cfg1_LED0 = 0x40,
- Cfg1_LED1 = 0x80,
- SLEEP = (1 << 1), /* only on 8139, 8139A */
- PWRDN = (1 << 0), /* only on 8139, 8139A */
-};
-
-/* Bits in Config3 */
-enum Config3Bits {
- Cfg3_FBtBEn = (1 << 0), /* 1 = Fast Back to Back */
- Cfg3_FuncRegEn = (1 << 1), /* 1 = enable CardBus Function registers */
- Cfg3_CLKRUN_En = (1 << 2), /* 1 = enable CLKRUN */
- Cfg3_CardB_En = (1 << 3), /* 1 = enable CardBus registers */
- Cfg3_LinkUp = (1 << 4), /* 1 = wake up on link up */
- Cfg3_Magic = (1 << 5), /* 1 = wake up on Magic Packet (tm) */
- Cfg3_PARM_En = (1 << 6), /* 0 = software can set twister parameters */
- Cfg3_GNTSel = (1 << 7), /* 1 = delay 1 clock from PCI GNT signal */
-};
-
-/* Bits in Config4 */
-enum Config4Bits {
- LWPTN = (1 << 2), /* not on 8139, 8139A */
-};
-
-/* Bits in Config5 */
-enum Config5Bits {
- Cfg5_PME_STS = (1 << 0), /* 1 = PCI reset resets PME_Status */
- Cfg5_LANWake = (1 << 1), /* 1 = enable LANWake signal */
- Cfg5_LDPS = (1 << 2), /* 0 = save power when link is down */
- Cfg5_FIFOAddrPtr= (1 << 3), /* Realtek internal SRAM testing */
- Cfg5_UWF = (1 << 4), /* 1 = accept unicast wakeup frame */
- Cfg5_MWF = (1 << 5), /* 1 = accept multicast wakeup frame */
- Cfg5_BWF = (1 << 6), /* 1 = accept broadcast wakeup frame */
-};
-
-enum RxConfigBits {
- /* rx fifo threshold */
- RxCfgFIFOShift = 13,
- RxCfgFIFONone = (7 << RxCfgFIFOShift),
-
- /* Max DMA burst */
- RxCfgDMAShift = 8,
- RxCfgDMAUnlimited = (7 << RxCfgDMAShift),
-
- /* rx ring buffer length */
- RxCfgRcv8K = 0,
- RxCfgRcv16K = (1 << 11),
- RxCfgRcv32K = (1 << 12),
- RxCfgRcv64K = (1 << 11) | (1 << 12),
-
- /* Disable packet wrap at end of Rx buffer. (not possible with 64k) */
- RxNoWrap = (1 << 7),
-};
-
-/* Twister tuning parameters from RealTek.
- Completely undocumented, but required to tune bad links on some boards. */
-enum CSCRBits {
- CSCR_LinkOKBit = 0x0400,
- CSCR_LinkChangeBit = 0x0800,
- CSCR_LinkStatusBits = 0x0f000,
- CSCR_LinkDownOffCmd = 0x003c0,
- CSCR_LinkDownCmd = 0x0f3c0,
-};
-
-enum Cfg9346Bits {
- Cfg9346_Lock = 0x00,
- Cfg9346_Unlock = 0xC0,
-};
-
-typedef enum {
- CH_8139 = 0,
- CH_8139_K,
- CH_8139A,
- CH_8139A_G,
- CH_8139B,
- CH_8130,
- CH_8139C,
- CH_8100,
- CH_8100B_8139D,
- CH_8101,
-} chip_t;
-
-enum chip_flags {
- HasHltClk = (1 << 0),
- HasLWake = (1 << 1),
-};
-
-#define HW_REVID(b30, b29, b28, b27, b26, b23, b22) \
- (b30<<30 | b29<<29 | b28<<28 | b27<<27 | b26<<26 | b23<<23 | b22<<22)
-#define HW_REVID_MASK HW_REVID(1, 1, 1, 1, 1, 1, 1)
-
-/* directly indexed by chip_t, above */
-static const struct {
- const char *name;
- u32 version; /* from RTL8139C/RTL8139D docs */
- u32 flags;
-} rtl_chip_info[] = {
- { "RTL-8139",
- HW_REVID(1, 0, 0, 0, 0, 0, 0),
- HasHltClk,
- },
-
- { "RTL-8139 rev K",
- HW_REVID(1, 1, 0, 0, 0, 0, 0),
- HasHltClk,
- },
-
- { "RTL-8139A",
- HW_REVID(1, 1, 1, 0, 0, 0, 0),
- HasHltClk, /* XXX undocumented? */
- },
-
- { "RTL-8139A rev G",
- HW_REVID(1, 1, 1, 0, 0, 1, 0),
- HasHltClk, /* XXX undocumented? */
- },
-
- { "RTL-8139B",
- HW_REVID(1, 1, 1, 1, 0, 0, 0),
- HasLWake,
- },
-
- { "RTL-8130",
- HW_REVID(1, 1, 1, 1, 1, 0, 0),
- HasLWake,
- },
-
- { "RTL-8139C",
- HW_REVID(1, 1, 1, 0, 1, 0, 0),
- HasLWake,
- },
-
- { "RTL-8100",
- HW_REVID(1, 1, 1, 1, 0, 1, 0),
- HasLWake,
- },
-
- { "RTL-8100B/8139D",
- HW_REVID(1, 1, 1, 0, 1, 0, 1),
- HasHltClk /* XXX undocumented? */
- | HasLWake,
- },
-
- { "RTL-8101",
- HW_REVID(1, 1, 1, 0, 1, 1, 1),
- HasLWake,
- },
-};
-
-struct rtl_extra_stats {
- unsigned long early_rx;
- unsigned long tx_buf_mapped;
- unsigned long tx_timeouts;
- unsigned long rx_lost_in_ring;
-};
-
-struct rtl8139_private {
- void __iomem *mmio_addr;
- int drv_flags;
- struct pci_dev *pci_dev;
- u32 msg_enable;
- struct napi_struct napi;
- struct net_device *dev;
-
- unsigned char *rx_ring;
- unsigned int cur_rx; /* RX buf index of next pkt */
- dma_addr_t rx_ring_dma;
-
- unsigned int tx_flag;
- unsigned long cur_tx;
- unsigned long dirty_tx;
- unsigned char *tx_buf[NUM_TX_DESC]; /* Tx bounce buffers */
- unsigned char *tx_bufs; /* Tx bounce buffer region. */
- dma_addr_t tx_bufs_dma;
-
- signed char phys[4]; /* MII device addresses. */
-
- /* Twister tune state. */
- char twistie, twist_row, twist_col;
-
- unsigned int watchdog_fired : 1;
- unsigned int default_port : 4; /* Last dev->if_port value. */
- unsigned int have_thread : 1;
-
- spinlock_t lock;
- spinlock_t rx_lock;
-
- chip_t chipset;
- u32 rx_config;
- struct rtl_extra_stats xstats;
-
- struct delayed_work thread;
-
- struct mii_if_info mii;
- unsigned int regs_len;
- unsigned long fifo_copy_timeout;
-};
-
-MODULE_AUTHOR ("Jeff Garzik <jgarzik@pobox.com>");
-MODULE_DESCRIPTION ("RealTek RTL-8139 Fast Ethernet driver");
-MODULE_LICENSE("GPL");
-MODULE_VERSION(DRV_VERSION);
-
-module_param(use_io, int, 0);
-MODULE_PARM_DESC(use_io, "Force use of I/O access mode. 0=MMIO 1=PIO");
-module_param(multicast_filter_limit, int, 0);
-module_param_array(media, int, NULL, 0);
-module_param_array(full_duplex, int, NULL, 0);
-module_param(debug, int, 0);
-MODULE_PARM_DESC (debug, "8139too bitmapped message enable number");
-MODULE_PARM_DESC (multicast_filter_limit, "8139too maximum number of filtered multicast addresses");
-MODULE_PARM_DESC (media, "8139too: Bits 4+9: force full duplex, bit 5: 100Mbps");
-MODULE_PARM_DESC (full_duplex, "8139too: Force full duplex for board(s) (1)");
-
-static int read_eeprom (void __iomem *ioaddr, int location, int addr_len);
-static int rtl8139_open (struct net_device *dev);
-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 val);
-static void rtl8139_start_thread(struct rtl8139_private *tp);
-static void rtl8139_tx_timeout (struct net_device *dev);
-static void rtl8139_init_ring (struct net_device *dev);
-static netdev_tx_t rtl8139_start_xmit (struct sk_buff *skb,
- struct net_device *dev);
-#ifdef CONFIG_NET_POLL_CONTROLLER
-static void rtl8139_poll_controller(struct net_device *dev);
-#endif
-static int rtl8139_set_mac_address(struct net_device *dev, void *p);
-static int rtl8139_poll(struct napi_struct *napi, int budget);
-static irqreturn_t rtl8139_interrupt (int irq, void *dev_instance);
-static int rtl8139_close (struct net_device *dev);
-static int netdev_ioctl (struct net_device *dev, struct ifreq *rq, int cmd);
-static struct net_device_stats *rtl8139_get_stats (struct net_device *dev);
-static void rtl8139_set_rx_mode (struct net_device *dev);
-static void __set_rx_mode (struct net_device *dev);
-static void rtl8139_hw_start (struct net_device *dev);
-static void rtl8139_thread (struct work_struct *work);
-static void rtl8139_tx_timeout_task(struct work_struct *work);
-static const struct ethtool_ops rtl8139_ethtool_ops;
-
-/* write MMIO register, with flush */
-/* Flush avoids rtl8139 bug w/ posted MMIO writes */
-#define RTL_W8_F(reg, val8) do { iowrite8 ((val8), ioaddr + (reg)); ioread8 (ioaddr + (reg)); } while (0)
-#define RTL_W16_F(reg, val16) do { iowrite16 ((val16), ioaddr + (reg)); ioread16 (ioaddr + (reg)); } while (0)
-#define RTL_W32_F(reg, val32) do { iowrite32 ((val32), ioaddr + (reg)); ioread32 (ioaddr + (reg)); } while (0)
-
-/* write MMIO register */
-#define RTL_W8(reg, val8) iowrite8 ((val8), ioaddr + (reg))
-#define RTL_W16(reg, val16) iowrite16 ((val16), ioaddr + (reg))
-#define RTL_W32(reg, val32) iowrite32 ((val32), ioaddr + (reg))
-
-/* read MMIO register */
-#define RTL_R8(reg) ioread8 (ioaddr + (reg))
-#define RTL_R16(reg) ioread16 (ioaddr + (reg))
-#define RTL_R32(reg) ioread32 (ioaddr + (reg))
-
-
-static const u16 rtl8139_intr_mask =
- PCIErr | PCSTimeout | RxUnderrun | RxOverflow | RxFIFOOver |
- TxErr | TxOK | RxErr | RxOK;
-
-static const u16 rtl8139_norx_intr_mask =
- PCIErr | PCSTimeout | RxUnderrun |
- TxErr | TxOK | RxErr ;
-
-#if RX_BUF_IDX == 0
-static const unsigned int rtl8139_rx_config =
- RxCfgRcv8K | RxNoWrap |
- (RX_FIFO_THRESH << RxCfgFIFOShift) |
- (RX_DMA_BURST << RxCfgDMAShift);
-#elif RX_BUF_IDX == 1
-static const unsigned int rtl8139_rx_config =
- RxCfgRcv16K | RxNoWrap |
- (RX_FIFO_THRESH << RxCfgFIFOShift) |
- (RX_DMA_BURST << RxCfgDMAShift);
-#elif RX_BUF_IDX == 2
-static const unsigned int rtl8139_rx_config =
- RxCfgRcv32K | RxNoWrap |
- (RX_FIFO_THRESH << RxCfgFIFOShift) |
- (RX_DMA_BURST << RxCfgDMAShift);
-#elif RX_BUF_IDX == 3
-static const unsigned int rtl8139_rx_config =
- RxCfgRcv64K |
- (RX_FIFO_THRESH << RxCfgFIFOShift) |
- (RX_DMA_BURST << RxCfgDMAShift);
-#else
-#error "Invalid configuration for 8139_RXBUF_IDX"
-#endif
-
-static const unsigned int rtl8139_tx_config =
- TxIFG96 | (TX_DMA_BURST << TxDMAShift) | (TX_RETRY << TxRetryShift);
-
-static void __rtl8139_cleanup_dev (struct net_device *dev)
-{
- struct rtl8139_private *tp = netdev_priv(dev);
- struct pci_dev *pdev;
-
- assert (dev != NULL);
- assert (tp->pci_dev != NULL);
- pdev = tp->pci_dev;
-
- if (tp->mmio_addr)
- pci_iounmap (pdev, tp->mmio_addr);
-
- /* it's ok to call this even if we have no regions to free */
- pci_release_regions (pdev);
-
- free_netdev(dev);
- pci_set_drvdata (pdev, NULL);
-}
-
-
-static void rtl8139_chip_reset (void __iomem *ioaddr)
-{
- int i;
-
- /* Soft reset the chip. */
- RTL_W8 (ChipCmd, CmdReset);
-
- /* Check that the chip has finished the reset. */
- for (i = 1000; i > 0; i--) {
- barrier();
- if ((RTL_R8 (ChipCmd) & CmdReset) == 0)
- break;
- udelay (10);
- }
-}
-
-
-static __devinit struct net_device * rtl8139_init_board (struct pci_dev *pdev)
-{
- void __iomem *ioaddr;
- struct net_device *dev;
- struct rtl8139_private *tp;
- u8 tmp8;
- int rc, disable_dev_on_err = 0;
- unsigned int i;
- unsigned long pio_start, pio_end, pio_flags, pio_len;
- unsigned long mmio_start, mmio_end, mmio_flags, mmio_len;
- u32 version;
-
- assert (pdev != NULL);
-
- /* dev and priv zeroed in alloc_etherdev */
- dev = alloc_etherdev (sizeof (*tp));
- if (dev == NULL) {
- dev_err(&pdev->dev, "Unable to alloc new net device\n");
- return ERR_PTR(-ENOMEM);
- }
- SET_NETDEV_DEV(dev, &pdev->dev);
-
- tp = netdev_priv(dev);
- tp->pci_dev = pdev;
-
- /* enable device (incl. PCI PM wakeup and hotplug setup) */
- rc = pci_enable_device (pdev);
- if (rc)
- goto err_out;
-
- pio_start = pci_resource_start (pdev, 0);
- pio_end = pci_resource_end (pdev, 0);
- pio_flags = pci_resource_flags (pdev, 0);
- pio_len = pci_resource_len (pdev, 0);
-
- mmio_start = pci_resource_start (pdev, 1);
- mmio_end = pci_resource_end (pdev, 1);
- mmio_flags = pci_resource_flags (pdev, 1);
- mmio_len = pci_resource_len (pdev, 1);
-
- /* set this immediately, we need to know before
- * we talk to the chip directly */
- pr_debug("PIO region size == 0x%02lX\n", pio_len);
- pr_debug("MMIO region size == 0x%02lX\n", mmio_len);
-
-retry:
- if (use_io) {
- /* make sure PCI base addr 0 is PIO */
- if (!(pio_flags & IORESOURCE_IO)) {
- dev_err(&pdev->dev, "region #0 not a PIO resource, aborting\n");
- rc = -ENODEV;
- goto err_out;
- }
- /* check for weird/broken PCI region reporting */
- if (pio_len < RTL_MIN_IO_SIZE) {
- dev_err(&pdev->dev, "Invalid PCI I/O region size(s), aborting\n");
- rc = -ENODEV;
- goto err_out;
- }
- } else {
- /* make sure PCI base addr 1 is MMIO */
- if (!(mmio_flags & IORESOURCE_MEM)) {
- dev_err(&pdev->dev, "region #1 not an MMIO resource, aborting\n");
- rc = -ENODEV;
- goto err_out;
- }
- if (mmio_len < RTL_MIN_IO_SIZE) {
- dev_err(&pdev->dev, "Invalid PCI mem region size(s), aborting\n");
- rc = -ENODEV;
- goto err_out;
- }
- }
-
- rc = pci_request_regions (pdev, DRV_NAME);
- if (rc)
- goto err_out;
- disable_dev_on_err = 1;
-
- /* enable PCI bus-mastering */
- pci_set_master (pdev);
-
- if (use_io) {
- ioaddr = pci_iomap(pdev, 0, 0);
- if (!ioaddr) {
- dev_err(&pdev->dev, "cannot map PIO, aborting\n");
- rc = -EIO;
- goto err_out;
- }
- dev->base_addr = pio_start;
- tp->regs_len = pio_len;
- } else {
- /* ioremap MMIO region */
- ioaddr = pci_iomap(pdev, 1, 0);
- if (ioaddr == NULL) {
- dev_err(&pdev->dev, "cannot remap MMIO, trying PIO\n");
- pci_release_regions(pdev);
- use_io = 1;
- goto retry;
- }
- dev->base_addr = (long) ioaddr;
- tp->regs_len = mmio_len;
- }
- tp->mmio_addr = ioaddr;
-
- /* Bring old chips out of low-power mode. */
- RTL_W8 (HltClk, 'R');
-
- /* check for missing/broken hardware */
- if (RTL_R32 (TxConfig) == 0xFFFFFFFF) {
- dev_err(&pdev->dev, "Chip not responding, ignoring board\n");
- rc = -EIO;
- goto err_out;
- }
-
- /* identify chip attached to board */
- version = RTL_R32 (TxConfig) & HW_REVID_MASK;
- for (i = 0; i < ARRAY_SIZE (rtl_chip_info); i++)
- if (version == rtl_chip_info[i].version) {
- tp->chipset = i;
- goto match;
- }
-
- /* if unknown chip, assume array element #0, original RTL-8139 in this case */
- i = 0;
- dev_dbg(&pdev->dev, "unknown chip version, assuming RTL-8139\n");
- dev_dbg(&pdev->dev, "TxConfig = 0x%x\n", RTL_R32 (TxConfig));
- tp->chipset = 0;
-
-match:
- pr_debug("chipset id (%d) == index %d, '%s'\n",
- version, i, rtl_chip_info[i].name);
-
- if (tp->chipset >= CH_8139B) {
- u8 new_tmp8 = tmp8 = RTL_R8 (Config1);
- pr_debug("PCI PM wakeup\n");
- if ((rtl_chip_info[tp->chipset].flags & HasLWake) &&
- (tmp8 & LWAKE))
- new_tmp8 &= ~LWAKE;
- new_tmp8 |= Cfg1_PM_Enable;
- if (new_tmp8 != tmp8) {
- RTL_W8 (Cfg9346, Cfg9346_Unlock);
- RTL_W8 (Config1, tmp8);
- RTL_W8 (Cfg9346, Cfg9346_Lock);
- }
- if (rtl_chip_info[tp->chipset].flags & HasLWake) {
- tmp8 = RTL_R8 (Config4);
- if (tmp8 & LWPTN) {
- RTL_W8 (Cfg9346, Cfg9346_Unlock);
- RTL_W8 (Config4, tmp8 & ~LWPTN);
- RTL_W8 (Cfg9346, Cfg9346_Lock);
- }
- }
- } else {
- pr_debug("Old chip wakeup\n");
- tmp8 = RTL_R8 (Config1);
- tmp8 &= ~(SLEEP | PWRDN);
- RTL_W8 (Config1, tmp8);
- }
-
- rtl8139_chip_reset (ioaddr);
-
- return dev;
-
-err_out:
- __rtl8139_cleanup_dev (dev);
- if (disable_dev_on_err)
- pci_disable_device (pdev);
- return ERR_PTR(rc);
-}
-
-static const struct net_device_ops rtl8139_netdev_ops = {
- .ndo_open = rtl8139_open,
- .ndo_stop = rtl8139_close,
- .ndo_get_stats = rtl8139_get_stats,
- .ndo_change_mtu = eth_change_mtu,
- .ndo_validate_addr = eth_validate_addr,
- .ndo_set_mac_address = rtl8139_set_mac_address,
- .ndo_start_xmit = rtl8139_start_xmit,
- .ndo_set_multicast_list = rtl8139_set_rx_mode,
- .ndo_do_ioctl = netdev_ioctl,
- .ndo_tx_timeout = rtl8139_tx_timeout,
-#ifdef CONFIG_NET_POLL_CONTROLLER
- .ndo_poll_controller = rtl8139_poll_controller,
-#endif
-};
-
-static int __devinit rtl8139_init_one (struct pci_dev *pdev,
- const struct pci_device_id *ent)
-{
- struct net_device *dev = NULL;
- struct rtl8139_private *tp;
- int i, addr_len, option;
- void __iomem *ioaddr;
- static int board_idx = -1;
-
- assert (pdev != NULL);
- assert (ent != NULL);
-
- board_idx++;
-
- /* when we're built into the kernel, the driver version message
- * is only printed if at least one 8139 board has been found
- */
-#ifndef MODULE
- {
- static int printed_version;
- if (!printed_version++)
- pr_info(RTL8139_DRIVER_NAME "\n");
- }
-#endif
-
- if (pdev->vendor == PCI_VENDOR_ID_REALTEK &&
- pdev->device == PCI_DEVICE_ID_REALTEK_8139 && pdev->revision >= 0x20) {
- dev_info(&pdev->dev,
- "This (id %04x:%04x rev %02x) is an enhanced 8139C+ chip, use 8139cp\n",
- pdev->vendor, pdev->device, pdev->revision);
- return -ENODEV;
- }
-
- if (pdev->vendor == PCI_VENDOR_ID_REALTEK &&
- pdev->device == PCI_DEVICE_ID_REALTEK_8139 &&
- pdev->subsystem_vendor == PCI_VENDOR_ID_ATHEROS &&
- pdev->subsystem_device == PCI_DEVICE_ID_REALTEK_8139) {
- pr_info("OQO Model 2 detected. Forcing PIO\n");
- use_io = 1;
- }
-
- dev = rtl8139_init_board (pdev);
- if (IS_ERR(dev))
- return PTR_ERR(dev);
-
- assert (dev != NULL);
- tp = netdev_priv(dev);
- tp->dev = dev;
-
- ioaddr = tp->mmio_addr;
- assert (ioaddr != NULL);
-
- addr_len = read_eeprom (ioaddr, 0, 8) == 0x8129 ? 8 : 6;
- for (i = 0; i < 3; i++)
- ((__le16 *) (dev->dev_addr))[i] =
- cpu_to_le16(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->netdev_ops = &rtl8139_netdev_ops;
- dev->ethtool_ops = &rtl8139_ethtool_ops;
- dev->watchdog_timeo = TX_TIMEOUT;
- netif_napi_add(dev, &tp->napi, rtl8139_poll, 64);
-
- /* note: the hardware is not capable of sg/csum/highdma, however
- * through the use of skb_copy_and_csum_dev we enable these
- * features
- */
- dev->features |= NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_HIGHDMA;
- dev->vlan_features = dev->features;
-
- dev->irq = pdev->irq;
-
- /* tp zeroed and aligned in alloc_etherdev */
- tp = netdev_priv(dev);
-
- /* note: tp->chipset set in rtl8139_init_board */
- tp->drv_flags = board_info[ent->driver_data].hw_flags;
- tp->mmio_addr = ioaddr;
- tp->msg_enable =
- (debug < 0 ? RTL8139_DEF_MSG_ENABLE : ((1 << debug) - 1));
- spin_lock_init (&tp->lock);
- spin_lock_init (&tp->rx_lock);
- INIT_DELAYED_WORK(&tp->thread, rtl8139_thread);
- tp->mii.dev = dev;
- tp->mii.mdio_read = mdio_read;
- tp->mii.mdio_write = mdio_write;
- tp->mii.phy_id_mask = 0x3f;
- tp->mii.reg_num_mask = 0x1f;
-
- /* dev is fully set up and ready to use now */
- pr_debug("about to register device named %s (%p)...\n",
- dev->name, dev);
- i = register_netdev (dev);
- if (i) goto err_out;
-
- pci_set_drvdata (pdev, dev);
-
- netdev_info(dev, "%s at 0x%lx, %pM, IRQ %d\n",
- board_info[ent->driver_data].name,
- dev->base_addr, dev->dev_addr, dev->irq);
-
- netdev_dbg(dev, "Identified 8139 chip type '%s'\n",
- rtl_chip_info[tp->chipset].name);
-
- /* Find the connected MII xcvrs.
- Doing this in open() would allow detecting external xcvrs later, but
- takes too much time. */
-#ifdef CONFIG_8139TOO_8129
- if (tp->drv_flags & HAS_MII_XCVR) {
- int phy, phy_idx = 0;
- for (phy = 0; phy < 32 && phy_idx < sizeof(tp->phys); phy++) {
- int mii_status = mdio_read(dev, phy, 1);
- if (mii_status != 0xffff && mii_status != 0x0000) {
- u16 advertising = mdio_read(dev, phy, 4);
- tp->phys[phy_idx++] = phy;
- netdev_info(dev, "MII transceiver %d status 0x%04x advertising %04x\n",
- phy, mii_status, advertising);
- }
- }
- if (phy_idx == 0) {
- netdev_info(dev, "No MII transceivers found! Assuming SYM transceiver\n");
- tp->phys[0] = 32;
- }
- } else
-#endif
- tp->phys[0] = 32;
- tp->mii.phy_id = tp->phys[0];
-
- /* The lower four bits are the media type. */
- option = (board_idx >= MAX_UNITS) ? 0 : media[board_idx];
- if (option > 0) {
- tp->mii.full_duplex = (option & 0x210) ? 1 : 0;
- tp->default_port = option & 0xFF;
- if (tp->default_port)
- tp->mii.force_media = 1;
- }
- if (board_idx < MAX_UNITS && full_duplex[board_idx] > 0)
- tp->mii.full_duplex = full_duplex[board_idx];
- if (tp->mii.full_duplex) {
- netdev_info(dev, "Media type forced to Full Duplex\n");
- /* Changing the MII-advertised media because might prevent
- re-connection. */
- tp->mii.force_media = 1;
- }
- if (tp->default_port) {
- netdev_info(dev, " Forcing %dMbps %s-duplex operation\n",
- (option & 0x20 ? 100 : 10),
- (option & 0x10 ? "full" : "half"));
- mdio_write(dev, tp->phys[0], 0,
- ((option & 0x20) ? 0x2000 : 0) | /* 100Mbps? */
- ((option & 0x10) ? 0x0100 : 0)); /* Full duplex? */
- }
-
- /* Put the chip into low-power mode. */
- if (rtl_chip_info[tp->chipset].flags & HasHltClk)
- RTL_W8 (HltClk, 'H'); /* 'R' would leave the clock running. */
-
- return 0;
-
-err_out:
- __rtl8139_cleanup_dev (dev);
- pci_disable_device (pdev);
- return i;
-}
-
-
-static void __devexit rtl8139_remove_one (struct pci_dev *pdev)
-{
- struct net_device *dev = pci_get_drvdata (pdev);
- struct rtl8139_private *tp = netdev_priv(dev);
-
- assert (dev != NULL);
-
- cancel_delayed_work_sync(&tp->thread);
-
- unregister_netdev (dev);
-
- __rtl8139_cleanup_dev (dev);
- pci_disable_device (pdev);
-}
-
-
-/* Serial EEPROM section. */
-
-/* EEPROM_Ctrl bits. */
-#define EE_SHIFT_CLK 0x04 /* EEPROM shift clock. */
-#define EE_CS 0x08 /* EEPROM chip select. */
-#define EE_DATA_WRITE 0x02 /* EEPROM chip data in. */
-#define EE_WRITE_0 0x00
-#define EE_WRITE_1 0x02
-#define EE_DATA_READ 0x01 /* EEPROM chip data out. */
-#define EE_ENB (0x80 | EE_CS)
-
-/* Delay between EEPROM clock transitions.
- No extra delay is needed with 33Mhz PCI, but 66Mhz may change this.
- */
-
-#define eeprom_delay() (void)RTL_R32(Cfg9346)
-
-/* The EEPROM commands include the alway-set leading bit. */
-#define EE_WRITE_CMD (5)
-#define EE_READ_CMD (6)
-#define EE_ERASE_CMD (7)
-
-static int __devinit read_eeprom (void __iomem *ioaddr, int location, int addr_len)
-{
- int i;
- unsigned retval = 0;
- int read_cmd = location | (EE_READ_CMD << addr_len);
-
- RTL_W8 (Cfg9346, EE_ENB & ~EE_CS);
- RTL_W8 (Cfg9346, EE_ENB);
- eeprom_delay ();
-
- /* Shift the read command bits out. */
- for (i = 4 + addr_len; i >= 0; i--) {
- int dataval = (read_cmd & (1 << i)) ? EE_DATA_WRITE : 0;
- RTL_W8 (Cfg9346, EE_ENB | dataval);
- eeprom_delay ();
- RTL_W8 (Cfg9346, EE_ENB | dataval | EE_SHIFT_CLK);
- eeprom_delay ();
- }
- RTL_W8 (Cfg9346, EE_ENB);
- eeprom_delay ();
-
- for (i = 16; i > 0; i--) {
- RTL_W8 (Cfg9346, EE_ENB | EE_SHIFT_CLK);
- eeprom_delay ();
- retval =
- (retval << 1) | ((RTL_R8 (Cfg9346) & EE_DATA_READ) ? 1 :
- 0);
- RTL_W8 (Cfg9346, EE_ENB);
- eeprom_delay ();
- }
-
- /* Terminate the EEPROM access. */
- RTL_W8 (Cfg9346, ~EE_CS);
- eeprom_delay ();
-
- return retval;
-}
-
-/* MII serial management: mostly bogus for now. */
-/* Read and write the MII management registers using software-generated
- serial MDIO protocol.
- The maximum data clock rate is 2.5 Mhz. The minimum timing is usually
- met by back-to-back PCI I/O cycles, but we insert a delay to avoid
- "overclocking" issues. */
-#define MDIO_DIR 0x80
-#define MDIO_DATA_OUT 0x04
-#define MDIO_DATA_IN 0x02
-#define MDIO_CLK 0x01
-#define MDIO_WRITE0 (MDIO_DIR)
-#define MDIO_WRITE1 (MDIO_DIR | MDIO_DATA_OUT)
-
-#define mdio_delay() RTL_R8(Config4)
-
-
-static const char mii_2_8139_map[8] = {
- BasicModeCtrl,
- BasicModeStatus,
- 0,
- 0,
- NWayAdvert,
- NWayLPAR,
- NWayExpansion,
- 0
-};
-
-
-#ifdef CONFIG_8139TOO_8129
-/* Syncronize the MII management interface by shifting 32 one bits out. */
-static void mdio_sync (void __iomem *ioaddr)
-{
- int i;
-
- for (i = 32; i >= 0; i--) {
- RTL_W8 (Config4, MDIO_WRITE1);
- mdio_delay ();
- RTL_W8 (Config4, MDIO_WRITE1 | MDIO_CLK);
- mdio_delay ();
- }
-}
-#endif
-
-static int mdio_read (struct net_device *dev, int phy_id, int location)
-{
- struct rtl8139_private *tp = netdev_priv(dev);
- int retval = 0;
-#ifdef CONFIG_8139TOO_8129
- void __iomem *ioaddr = tp->mmio_addr;
- int mii_cmd = (0xf6 << 10) | (phy_id << 5) | location;
- int i;
-#endif
-
- if (phy_id > 31) { /* Really a 8139. Use internal registers. */
- void __iomem *ioaddr = tp->mmio_addr;
- return location < 8 && mii_2_8139_map[location] ?
- RTL_R16 (mii_2_8139_map[location]) : 0;
- }
-
-#ifdef CONFIG_8139TOO_8129
- mdio_sync (ioaddr);
- /* Shift the read command bits out. */
- for (i = 15; i >= 0; i--) {
- int dataval = (mii_cmd & (1 << i)) ? MDIO_DATA_OUT : 0;
-
- RTL_W8 (Config4, MDIO_DIR | dataval);
- mdio_delay ();
- RTL_W8 (Config4, MDIO_DIR | dataval | MDIO_CLK);
- mdio_delay ();
- }
-
- /* Read the two transition, 16 data, and wire-idle bits. */
- for (i = 19; i > 0; i--) {
- RTL_W8 (Config4, 0);
- mdio_delay ();
- retval = (retval << 1) | ((RTL_R8 (Config4) & MDIO_DATA_IN) ? 1 : 0);
- RTL_W8 (Config4, MDIO_CLK);
- mdio_delay ();
- }
-#endif
-
- return (retval >> 1) & 0xffff;
-}
-
-
-static void mdio_write (struct net_device *dev, int phy_id, int location,
- int value)
-{
- struct rtl8139_private *tp = netdev_priv(dev);
-#ifdef CONFIG_8139TOO_8129
- void __iomem *ioaddr = tp->mmio_addr;
- int mii_cmd = (0x5002 << 16) | (phy_id << 23) | (location << 18) | value;
- int i;
-#endif
-
- if (phy_id > 31) { /* Really a 8139. Use internal registers. */
- void __iomem *ioaddr = tp->mmio_addr;
- if (location == 0) {
- RTL_W8 (Cfg9346, Cfg9346_Unlock);
- RTL_W16 (BasicModeCtrl, value);
- RTL_W8 (Cfg9346, Cfg9346_Lock);
- } else if (location < 8 && mii_2_8139_map[location])
- RTL_W16 (mii_2_8139_map[location], value);
- return;
- }
-
-#ifdef CONFIG_8139TOO_8129
- mdio_sync (ioaddr);
-
- /* Shift the command bits out. */
- for (i = 31; i >= 0; i--) {
- int dataval =
- (mii_cmd & (1 << i)) ? MDIO_WRITE1 : MDIO_WRITE0;
- RTL_W8 (Config4, dataval);
- mdio_delay ();
- RTL_W8 (Config4, dataval | MDIO_CLK);
- mdio_delay ();
- }
- /* Clear out extra bits. */
- for (i = 2; i > 0; i--) {
- RTL_W8 (Config4, 0);
- mdio_delay ();
- RTL_W8 (Config4, MDIO_CLK);
- mdio_delay ();
- }
-#endif
-}
-
-
-static int rtl8139_open (struct net_device *dev)
-{
- struct rtl8139_private *tp = netdev_priv(dev);
- int retval;
- void __iomem *ioaddr = tp->mmio_addr;
-
- retval = request_irq (dev->irq, rtl8139_interrupt, IRQF_SHARED, dev->name, dev);
- if (retval)
- return retval;
-
- tp->tx_bufs = dma_alloc_coherent(&tp->pci_dev->dev, TX_BUF_TOT_LEN,
- &tp->tx_bufs_dma, GFP_KERNEL);
- tp->rx_ring = dma_alloc_coherent(&tp->pci_dev->dev, RX_BUF_TOT_LEN,
- &tp->rx_ring_dma, GFP_KERNEL);
- if (tp->tx_bufs == NULL || tp->rx_ring == NULL) {
- free_irq(dev->irq, dev);
-
- if (tp->tx_bufs)
- dma_free_coherent(&tp->pci_dev->dev, TX_BUF_TOT_LEN,
- tp->tx_bufs, tp->tx_bufs_dma);
- if (tp->rx_ring)
- dma_free_coherent(&tp->pci_dev->dev, RX_BUF_TOT_LEN,
- tp->rx_ring, tp->rx_ring_dma);
-
- return -ENOMEM;
-
- }
-
- napi_enable(&tp->napi);
-
- tp->mii.full_duplex = tp->mii.force_media;
- tp->tx_flag = (TX_FIFO_THRESH << 11) & 0x003f0000;
-
- rtl8139_init_ring (dev);
- rtl8139_hw_start (dev);
- netif_start_queue (dev);
-
- netif_dbg(tp, ifup, dev,
- "%s() ioaddr %#llx IRQ %d GP Pins %02x %s-duplex\n",
- __func__,
- (unsigned long long)pci_resource_start (tp->pci_dev, 1),
- dev->irq, RTL_R8 (MediaStatus),
- tp->mii.full_duplex ? "full" : "half");
-
- rtl8139_start_thread(tp);
-
- return 0;
-}
-
-
-static void rtl_check_media (struct net_device *dev, unsigned int init_media)
-{
- struct rtl8139_private *tp = netdev_priv(dev);
-
- if (tp->phys[0] >= 0) {
- mii_check_media(&tp->mii, netif_msg_link(tp), init_media);
- }
-}
-
-/* Start the hardware at open or resume. */
-static void rtl8139_hw_start (struct net_device *dev)
-{
- struct rtl8139_private *tp = netdev_priv(dev);
- void __iomem *ioaddr = tp->mmio_addr;
- u32 i;
- u8 tmp;
-
- /* Bring old chips out of low-power mode. */
- if (rtl_chip_info[tp->chipset].flags & HasHltClk)
- RTL_W8 (HltClk, 'R');
-
- rtl8139_chip_reset (ioaddr);
-
- /* unlock Config[01234] and BMCR register writes */
- RTL_W8_F (Cfg9346, Cfg9346_Unlock);
- /* Restore our idea of the MAC address. */
- RTL_W32_F (MAC0 + 0, le32_to_cpu (*(__le32 *) (dev->dev_addr + 0)));
- RTL_W32_F (MAC0 + 4, le16_to_cpu (*(__le16 *) (dev->dev_addr + 4)));
-
- tp->cur_rx = 0;
-
- /* init Rx ring buffer DMA address */
- RTL_W32_F (RxBuf, tp->rx_ring_dma);
-
- /* Must enable Tx/Rx before setting transfer thresholds! */
- RTL_W8 (ChipCmd, CmdRxEnb | CmdTxEnb);
-
- tp->rx_config = rtl8139_rx_config | AcceptBroadcast | AcceptMyPhys;
- RTL_W32 (RxConfig, tp->rx_config);
- RTL_W32 (TxConfig, rtl8139_tx_config);
-
- rtl_check_media (dev, 1);
-
- if (tp->chipset >= CH_8139B) {
- /* Disable magic packet scanning, which is enabled
- * when PM is enabled in Config1. It can be reenabled
- * via ETHTOOL_SWOL if desired. */
- RTL_W8 (Config3, RTL_R8 (Config3) & ~Cfg3_Magic);
- }
-
- netdev_dbg(dev, "init buffer addresses\n");
-
- /* Lock Config[01234] and BMCR register writes */
- RTL_W8 (Cfg9346, Cfg9346_Lock);
-
- /* init Tx buffer DMA addresses */
- for (i = 0; i < NUM_TX_DESC; i++)
- RTL_W32_F (TxAddr0 + (i * 4), tp->tx_bufs_dma + (tp->tx_buf[i] - tp->tx_bufs));
-
- RTL_W32 (RxMissed, 0);
-
- rtl8139_set_rx_mode (dev);
-
- /* no early-rx interrupts */
- RTL_W16 (MultiIntr, RTL_R16 (MultiIntr) & MultiIntrClear);
-
- /* make sure RxTx has started */
- tmp = RTL_R8 (ChipCmd);
- if ((!(tmp & CmdRxEnb)) || (!(tmp & CmdTxEnb)))
- RTL_W8 (ChipCmd, CmdRxEnb | CmdTxEnb);
-
- /* Enable all known interrupts by setting the interrupt mask. */
- RTL_W16 (IntrMask, rtl8139_intr_mask);
-}
-
-
-/* Initialize the Rx and Tx rings, along with various 'dev' bits. */
-static void rtl8139_init_ring (struct net_device *dev)
-{
- struct rtl8139_private *tp = netdev_priv(dev);
- int i;
-
- tp->cur_rx = 0;
- tp->cur_tx = 0;
- tp->dirty_tx = 0;
-
- for (i = 0; i < NUM_TX_DESC; i++)
- tp->tx_buf[i] = &tp->tx_bufs[i * TX_BUF_SIZE];
-}
-
-
-/* This must be global for CONFIG_8139TOO_TUNE_TWISTER case */
-static int next_tick = 3 * HZ;
-
-#ifndef CONFIG_8139TOO_TUNE_TWISTER
-static inline void rtl8139_tune_twister (struct net_device *dev,
- struct rtl8139_private *tp) {}
-#else
-enum TwisterParamVals {
- PARA78_default = 0x78fa8388,
- PARA7c_default = 0xcb38de43, /* param[0][3] */
- PARA7c_xxx = 0xcb38de43,
-};
-
-static const unsigned long param[4][4] = {
- {0xcb39de43, 0xcb39ce43, 0xfb38de03, 0xcb38de43},
- {0xcb39de43, 0xcb39ce43, 0xcb39ce83, 0xcb39ce83},
- {0xcb39de43, 0xcb39ce43, 0xcb39ce83, 0xcb39ce83},
- {0xbb39de43, 0xbb39ce43, 0xbb39ce83, 0xbb39ce83}
-};
-
-static void rtl8139_tune_twister (struct net_device *dev,
- struct rtl8139_private *tp)
-{
- int linkcase;
- void __iomem *ioaddr = tp->mmio_addr;
-
- /* This is a complicated state machine to configure the "twister" for
- impedance/echos based on the cable length.
- All of this is magic and undocumented.
- */
- switch (tp->twistie) {
- case 1:
- if (RTL_R16 (CSCR) & CSCR_LinkOKBit) {
- /* We have link beat, let us tune the twister. */
- RTL_W16 (CSCR, CSCR_LinkDownOffCmd);
- tp->twistie = 2; /* Change to state 2. */
- next_tick = HZ / 10;
- } else {
- /* Just put in some reasonable defaults for when beat returns. */
- RTL_W16 (CSCR, CSCR_LinkDownCmd);
- RTL_W32 (FIFOTMS, 0x20); /* Turn on cable test mode. */
- RTL_W32 (PARA78, PARA78_default);
- RTL_W32 (PARA7c, PARA7c_default);
- tp->twistie = 0; /* Bail from future actions. */
- }
- break;
- case 2:
- /* Read how long it took to hear the echo. */
- linkcase = RTL_R16 (CSCR) & CSCR_LinkStatusBits;
- if (linkcase == 0x7000)
- tp->twist_row = 3;
- else if (linkcase == 0x3000)
- tp->twist_row = 2;
- else if (linkcase == 0x1000)
- tp->twist_row = 1;
- else
- tp->twist_row = 0;
- tp->twist_col = 0;
- tp->twistie = 3; /* Change to state 2. */
- next_tick = HZ / 10;
- break;
- case 3:
- /* Put out four tuning parameters, one per 100msec. */
- if (tp->twist_col == 0)
- RTL_W16 (FIFOTMS, 0);
- RTL_W32 (PARA7c, param[(int) tp->twist_row]
- [(int) tp->twist_col]);
- next_tick = HZ / 10;
- if (++tp->twist_col >= 4) {
- /* For short cables we are done.
- For long cables (row == 3) check for mistune. */
- tp->twistie =
- (tp->twist_row == 3) ? 4 : 0;
- }
- break;
- case 4:
- /* Special case for long cables: check for mistune. */
- if ((RTL_R16 (CSCR) &
- CSCR_LinkStatusBits) == 0x7000) {
- tp->twistie = 0;
- break;
- } else {
- RTL_W32 (PARA7c, 0xfb38de03);
- tp->twistie = 5;
- next_tick = HZ / 10;
- }
- break;
- case 5:
- /* Retune for shorter cable (column 2). */
- RTL_W32 (FIFOTMS, 0x20);
- RTL_W32 (PARA78, PARA78_default);
- RTL_W32 (PARA7c, PARA7c_default);
- RTL_W32 (FIFOTMS, 0x00);
- tp->twist_row = 2;
- tp->twist_col = 0;
- tp->twistie = 3;
- next_tick = HZ / 10;
- break;
-
- default:
- /* do nothing */
- break;
- }
-}
-#endif /* CONFIG_8139TOO_TUNE_TWISTER */
-
-static inline void rtl8139_thread_iter (struct net_device *dev,
- struct rtl8139_private *tp,
- void __iomem *ioaddr)
-{
- int mii_lpa;
-
- mii_lpa = mdio_read (dev, tp->phys[0], MII_LPA);
-
- if (!tp->mii.force_media && mii_lpa != 0xffff) {
- int duplex = ((mii_lpa & LPA_100FULL) ||
- (mii_lpa & 0x01C0) == 0x0040);
- if (tp->mii.full_duplex != duplex) {
- tp->mii.full_duplex = duplex;
-
- if (mii_lpa) {
- netdev_info(dev, "Setting %s-duplex based on MII #%d link partner ability of %04x\n",
- tp->mii.full_duplex ? "full" : "half",
- tp->phys[0], mii_lpa);
- } else {
- netdev_info(dev, "media is unconnected, link down, or incompatible connection\n");
- }
-#if 0
- RTL_W8 (Cfg9346, Cfg9346_Unlock);
- RTL_W8 (Config1, tp->mii.full_duplex ? 0x60 : 0x20);
- RTL_W8 (Cfg9346, Cfg9346_Lock);
-#endif
- }
- }
-
- next_tick = HZ * 60;
-
- rtl8139_tune_twister (dev, tp);
-
- netdev_dbg(dev, "Media selection tick, Link partner %04x\n",
- RTL_R16(NWayLPAR));
- netdev_dbg(dev, "Other registers are IntMask %04x IntStatus %04x\n",
- RTL_R16(IntrMask), RTL_R16(IntrStatus));
- netdev_dbg(dev, "Chip config %02x %02x\n",
- RTL_R8(Config0), RTL_R8(Config1));
-}
-
-static void rtl8139_thread (struct work_struct *work)
-{
- struct rtl8139_private *tp =
- container_of(work, struct rtl8139_private, thread.work);
- struct net_device *dev = tp->mii.dev;
- unsigned long thr_delay = next_tick;
-
- rtnl_lock();
-
- if (!netif_running(dev))
- goto out_unlock;
-
- if (tp->watchdog_fired) {
- tp->watchdog_fired = 0;
- rtl8139_tx_timeout_task(work);
- } else
- rtl8139_thread_iter(dev, tp, tp->mmio_addr);
-
- if (tp->have_thread)
- schedule_delayed_work(&tp->thread, thr_delay);
-out_unlock:
- rtnl_unlock ();
-}
-
-static void rtl8139_start_thread(struct rtl8139_private *tp)
-{
- tp->twistie = 0;
- if (tp->chipset == CH_8139_K)
- tp->twistie = 1;
- else if (tp->drv_flags & HAS_LNK_CHNG)
- return;
-
- tp->have_thread = 1;
- tp->watchdog_fired = 0;
-
- schedule_delayed_work(&tp->thread, next_tick);
-}
-
-static inline void rtl8139_tx_clear (struct rtl8139_private *tp)
-{
- tp->cur_tx = 0;
- tp->dirty_tx = 0;
-
- /* XXX account for unsent Tx packets in tp->stats.tx_dropped */
-}
-
-static void rtl8139_tx_timeout_task (struct work_struct *work)
-{
- struct rtl8139_private *tp =
- container_of(work, struct rtl8139_private, thread.work);
- struct net_device *dev = tp->mii.dev;
- void __iomem *ioaddr = tp->mmio_addr;
- int i;
- u8 tmp8;
-
- netdev_dbg(dev, "Transmit timeout, status %02x %04x %04x media %02x\n",
- RTL_R8(ChipCmd), RTL_R16(IntrStatus),
- RTL_R16(IntrMask), RTL_R8(MediaStatus));
- /* Emit info to figure out what went wrong. */
- netdev_dbg(dev, "Tx queue start entry %ld dirty entry %ld\n",
- tp->cur_tx, tp->dirty_tx);
- for (i = 0; i < NUM_TX_DESC; i++)
- netdev_dbg(dev, "Tx descriptor %d is %08x%s\n",
- i, RTL_R32(TxStatus0 + (i * 4)),
- i == tp->dirty_tx % NUM_TX_DESC ?
- " (queue head)" : "");
-
- tp->xstats.tx_timeouts++;
-
- /* disable Tx ASAP, if not already */
- tmp8 = RTL_R8 (ChipCmd);
- if (tmp8 & CmdTxEnb)
- RTL_W8 (ChipCmd, CmdRxEnb);
-
- spin_lock_bh(&tp->rx_lock);
- /* Disable interrupts by clearing the interrupt mask. */
- RTL_W16 (IntrMask, 0x0000);
-
- /* Stop a shared interrupt from scavenging while we are. */
- spin_lock_irq(&tp->lock);
- rtl8139_tx_clear (tp);
- spin_unlock_irq(&tp->lock);
-
- /* ...and finally, reset everything */
- if (netif_running(dev)) {
- rtl8139_hw_start (dev);
- netif_wake_queue (dev);
- }
- spin_unlock_bh(&tp->rx_lock);
-}
-
-static void rtl8139_tx_timeout (struct net_device *dev)
-{
- struct rtl8139_private *tp = netdev_priv(dev);
-
- tp->watchdog_fired = 1;
- if (!tp->have_thread) {
- INIT_DELAYED_WORK(&tp->thread, rtl8139_thread);
- schedule_delayed_work(&tp->thread, next_tick);
- }
-}
-
-static netdev_tx_t rtl8139_start_xmit (struct sk_buff *skb,
- struct net_device *dev)
-{
- struct rtl8139_private *tp = netdev_priv(dev);
- void __iomem *ioaddr = tp->mmio_addr;
- unsigned int entry;
- unsigned int len = skb->len;
- unsigned long flags;
-
- /* Calculate the next Tx descriptor entry. */
- entry = tp->cur_tx % NUM_TX_DESC;
-
- /* Note: the chip doesn't have auto-pad! */
- if (likely(len < TX_BUF_SIZE)) {
- if (len < ETH_ZLEN)
- memset(tp->tx_buf[entry], 0, ETH_ZLEN);
- skb_copy_and_csum_dev(skb, tp->tx_buf[entry]);
- dev_kfree_skb(skb);
- } else {
- dev_kfree_skb(skb);
- dev->stats.tx_dropped++;
- return NETDEV_TX_OK;
- }
-
- spin_lock_irqsave(&tp->lock, flags);
- /*
- * Writing to TxStatus triggers a DMA transfer of the data
- * copied to tp->tx_buf[entry] above. Use a memory barrier
- * to make sure that the device sees the updated data.
- */
- wmb();
- RTL_W32_F (TxStatus0 + (entry * sizeof (u32)),
- tp->tx_flag | max(len, (unsigned int)ETH_ZLEN));
-
- tp->cur_tx++;
-
- if ((tp->cur_tx - NUM_TX_DESC) == tp->dirty_tx)
- netif_stop_queue (dev);
- spin_unlock_irqrestore(&tp->lock, flags);
-
- netif_dbg(tp, tx_queued, dev, "Queued Tx packet size %u to slot %d\n",
- len, entry);
-
- return NETDEV_TX_OK;
-}
-
-
-static void rtl8139_tx_interrupt (struct net_device *dev,
- struct rtl8139_private *tp,
- void __iomem *ioaddr)
-{
- unsigned long dirty_tx, tx_left;
-
- assert (dev != NULL);
- assert (ioaddr != NULL);
-
- dirty_tx = tp->dirty_tx;
- tx_left = tp->cur_tx - dirty_tx;
- while (tx_left > 0) {
- int entry = dirty_tx % NUM_TX_DESC;
- int txstatus;
-
- txstatus = RTL_R32 (TxStatus0 + (entry * sizeof (u32)));
-
- if (!(txstatus & (TxStatOK | TxUnderrun | TxAborted)))
- break; /* It still hasn't been Txed */
-
- /* Note: TxCarrierLost is always asserted at 100mbps. */
- if (txstatus & (TxOutOfWindow | TxAborted)) {
- /* There was an major error, log it. */
- netif_dbg(tp, tx_err, dev, "Transmit error, Tx status %08x\n",
- txstatus);
- dev->stats.tx_errors++;
- if (txstatus & TxAborted) {
- dev->stats.tx_aborted_errors++;
- RTL_W32 (TxConfig, TxClearAbt);
- RTL_W16 (IntrStatus, TxErr);
- wmb();
- }
- if (txstatus & TxCarrierLost)
- dev->stats.tx_carrier_errors++;
- if (txstatus & TxOutOfWindow)
- dev->stats.tx_window_errors++;
- } else {
- if (txstatus & TxUnderrun) {
- /* Add 64 to the Tx FIFO threshold. */
- if (tp->tx_flag < 0x00300000)
- tp->tx_flag += 0x00020000;
- dev->stats.tx_fifo_errors++;
- }
- dev->stats.collisions += (txstatus >> 24) & 15;
- dev->stats.tx_bytes += txstatus & 0x7ff;
- dev->stats.tx_packets++;
- }
-
- dirty_tx++;
- tx_left--;
- }
-
-#ifndef RTL8139_NDEBUG
- if (tp->cur_tx - dirty_tx > NUM_TX_DESC) {
- netdev_err(dev, "Out-of-sync dirty pointer, %ld vs. %ld\n",
- dirty_tx, tp->cur_tx);
- dirty_tx += NUM_TX_DESC;
- }
-#endif /* RTL8139_NDEBUG */
-
- /* only wake the queue if we did work, and the queue is stopped */
- if (tp->dirty_tx != dirty_tx) {
- tp->dirty_tx = dirty_tx;
- mb();
- netif_wake_queue (dev);
- }
-}
-
-
-/* TODO: clean this up! Rx reset need not be this intensive */
-static void rtl8139_rx_err (u32 rx_status, struct net_device *dev,
- struct rtl8139_private *tp, void __iomem *ioaddr)
-{
- u8 tmp8;
-#ifdef CONFIG_8139_OLD_RX_RESET
- int tmp_work;
-#endif
-
- netif_dbg(tp, rx_err, dev, "Ethernet frame had errors, status %08x\n",
- rx_status);
- dev->stats.rx_errors++;
- if (!(rx_status & RxStatusOK)) {
- if (rx_status & RxTooLong) {
- netdev_dbg(dev, "Oversized Ethernet frame, status %04x!\n",
- rx_status);
- /* A.C.: The chip hangs here. */
- }
- if (rx_status & (RxBadSymbol | RxBadAlign))
- dev->stats.rx_frame_errors++;
- if (rx_status & (RxRunt | RxTooLong))
- dev->stats.rx_length_errors++;
- if (rx_status & RxCRCErr)
- dev->stats.rx_crc_errors++;
- } else {
- tp->xstats.rx_lost_in_ring++;
- }
-
-#ifndef CONFIG_8139_OLD_RX_RESET
- tmp8 = RTL_R8 (ChipCmd);
- RTL_W8 (ChipCmd, tmp8 & ~CmdRxEnb);
- RTL_W8 (ChipCmd, tmp8);
- RTL_W32 (RxConfig, tp->rx_config);
- tp->cur_rx = 0;
-#else
- /* Reset the receiver, based on RealTek recommendation. (Bug?) */
-
- /* disable receive */
- RTL_W8_F (ChipCmd, CmdTxEnb);
- tmp_work = 200;
- while (--tmp_work > 0) {
- udelay(1);
- tmp8 = RTL_R8 (ChipCmd);
- if (!(tmp8 & CmdRxEnb))
- break;
- }
- if (tmp_work <= 0)
- netdev_warn(dev, "rx stop wait too long\n");
- /* restart receive */
- tmp_work = 200;
- while (--tmp_work > 0) {
- RTL_W8_F (ChipCmd, CmdRxEnb | CmdTxEnb);
- udelay(1);
- tmp8 = RTL_R8 (ChipCmd);
- if ((tmp8 & CmdRxEnb) && (tmp8 & CmdTxEnb))
- break;
- }
- if (tmp_work <= 0)
- netdev_warn(dev, "tx/rx enable wait too long\n");
-
- /* and reinitialize all rx related registers */
- RTL_W8_F (Cfg9346, Cfg9346_Unlock);
- /* Must enable Tx/Rx before setting transfer thresholds! */
- RTL_W8 (ChipCmd, CmdRxEnb | CmdTxEnb);
-
- tp->rx_config = rtl8139_rx_config | AcceptBroadcast | AcceptMyPhys;
- RTL_W32 (RxConfig, tp->rx_config);
- tp->cur_rx = 0;
-
- netdev_dbg(dev, "init buffer addresses\n");
-
- /* Lock Config[01234] and BMCR register writes */
- RTL_W8 (Cfg9346, Cfg9346_Lock);
-
- /* init Rx ring buffer DMA address */
- RTL_W32_F (RxBuf, tp->rx_ring_dma);
-
- /* A.C.: Reset the multicast list. */
- __set_rx_mode (dev);
-#endif
-}
-
-#if RX_BUF_IDX == 3
-static inline void wrap_copy(struct sk_buff *skb, const unsigned char *ring,
- u32 offset, unsigned int size)
-{
- u32 left = RX_BUF_LEN - offset;
-
- if (size > left) {
- skb_copy_to_linear_data(skb, ring + offset, left);
- skb_copy_to_linear_data_offset(skb, left, ring, size - left);
- } else
- skb_copy_to_linear_data(skb, ring + offset, size);
-}
-#endif
-
-static void rtl8139_isr_ack(struct rtl8139_private *tp)
-{
- void __iomem *ioaddr = tp->mmio_addr;
- u16 status;
-
- status = RTL_R16 (IntrStatus) & RxAckBits;
-
- /* Clear out errors and receive interrupts */
- if (likely(status != 0)) {
- if (unlikely(status & (RxFIFOOver | RxOverflow))) {
- tp->dev->stats.rx_errors++;
- if (status & RxFIFOOver)
- tp->dev->stats.rx_fifo_errors++;
- }
- RTL_W16_F (IntrStatus, RxAckBits);
- }
-}
-
-static int rtl8139_rx(struct net_device *dev, struct rtl8139_private *tp,
- int budget)
-{
- void __iomem *ioaddr = tp->mmio_addr;
- int received = 0;
- unsigned char *rx_ring = tp->rx_ring;
- unsigned int cur_rx = tp->cur_rx;
- unsigned int rx_size = 0;
-
- netdev_dbg(dev, "In %s(), current %04x BufAddr %04x, free to %04x, Cmd %02x\n",
- __func__, (u16)cur_rx,
- RTL_R16(RxBufAddr), RTL_R16(RxBufPtr), RTL_R8(ChipCmd));
-
- while (netif_running(dev) && received < budget &&
- (RTL_R8 (ChipCmd) & RxBufEmpty) == 0) {
- u32 ring_offset = cur_rx % RX_BUF_LEN;
- u32 rx_status;
- unsigned int pkt_size;
- struct sk_buff *skb;
-
- rmb();
-
- /* read size+status of next frame from DMA ring buffer */
- rx_status = le32_to_cpu (*(__le32 *) (rx_ring + ring_offset));
- rx_size = rx_status >> 16;
- pkt_size = rx_size - 4;
-
- netif_dbg(tp, rx_status, dev, "%s() status %04x, size %04x, cur %04x\n",
- __func__, rx_status, rx_size, cur_rx);
-#if RTL8139_DEBUG > 2
- print_hex_dump(KERN_DEBUG, "Frame contents: ",
- DUMP_PREFIX_OFFSET, 16, 1,
- &rx_ring[ring_offset], 70, true);
-#endif
-
- /* Packet copy from FIFO still in progress.
- * Theoretically, this should never happen
- * since EarlyRx is disabled.
- */
- if (unlikely(rx_size == 0xfff0)) {
- if (!tp->fifo_copy_timeout)
- tp->fifo_copy_timeout = jiffies + 2;
- else if (time_after(jiffies, tp->fifo_copy_timeout)) {
- netdev_dbg(dev, "hung FIFO. Reset\n");
- rx_size = 0;
- goto no_early_rx;
- }
- netif_dbg(tp, intr, dev, "fifo copy in progress\n");
- tp->xstats.early_rx++;
- break;
- }
-
-no_early_rx:
- tp->fifo_copy_timeout = 0;
-
- /* If Rx err or invalid rx_size/rx_status received
- * (which happens if we get lost in the ring),
- * Rx process gets reset, so we abort any further
- * Rx processing.
- */
- if (unlikely((rx_size > (MAX_ETH_FRAME_SIZE+4)) ||
- (rx_size < 8) ||
- (!(rx_status & RxStatusOK)))) {
- rtl8139_rx_err (rx_status, dev, tp, ioaddr);
- received = -1;
- goto out;
- }
-
- /* Malloc up new buffer, compatible with net-2e. */
- /* Omit the four octet CRC from the length. */
-
- skb = netdev_alloc_skb_ip_align(dev, pkt_size);
- if (likely(skb)) {
-#if RX_BUF_IDX == 3
- wrap_copy(skb, rx_ring, ring_offset+4, pkt_size);
-#else
- skb_copy_to_linear_data (skb, &rx_ring[ring_offset + 4], pkt_size);
-#endif
- skb_put (skb, pkt_size);
-
- skb->protocol = eth_type_trans (skb, dev);
-
- dev->stats.rx_bytes += pkt_size;
- dev->stats.rx_packets++;
-
- netif_receive_skb (skb);
- } else {
- if (net_ratelimit())
- netdev_warn(dev, "Memory squeeze, dropping packet\n");
- dev->stats.rx_dropped++;
- }
- received++;
-
- cur_rx = (cur_rx + rx_size + 4 + 3) & ~3;
- RTL_W16 (RxBufPtr, (u16) (cur_rx - 16));
-
- rtl8139_isr_ack(tp);
- }
-
- if (unlikely(!received || rx_size == 0xfff0))
- rtl8139_isr_ack(tp);
-
- netdev_dbg(dev, "Done %s(), current %04x BufAddr %04x, free to %04x, Cmd %02x\n",
- __func__, cur_rx,
- RTL_R16(RxBufAddr), RTL_R16(RxBufPtr), RTL_R8(ChipCmd));
-
- tp->cur_rx = cur_rx;
-
- /*
- * The receive buffer should be mostly empty.
- * Tell NAPI to reenable the Rx irq.
- */
- if (tp->fifo_copy_timeout)
- received = budget;
-
-out:
- return received;
-}
-
-
-static void rtl8139_weird_interrupt (struct net_device *dev,
- struct rtl8139_private *tp,
- void __iomem *ioaddr,
- int status, int link_changed)
-{
- netdev_dbg(dev, "Abnormal interrupt, status %08x\n", status);
-
- assert (dev != NULL);
- assert (tp != NULL);
- assert (ioaddr != NULL);
-
- /* Update the error count. */
- dev->stats.rx_missed_errors += RTL_R32 (RxMissed);
- RTL_W32 (RxMissed, 0);
-
- if ((status & RxUnderrun) && link_changed &&
- (tp->drv_flags & HAS_LNK_CHNG)) {
- rtl_check_media(dev, 0);
- status &= ~RxUnderrun;
- }
-
- if (status & (RxUnderrun | RxErr))
- dev->stats.rx_errors++;
-
- if (status & PCSTimeout)
- dev->stats.rx_length_errors++;
- if (status & RxUnderrun)
- dev->stats.rx_fifo_errors++;
- if (status & PCIErr) {
- u16 pci_cmd_status;
- pci_read_config_word (tp->pci_dev, PCI_STATUS, &pci_cmd_status);
- pci_write_config_word (tp->pci_dev, PCI_STATUS, pci_cmd_status);
-
- netdev_err(dev, "PCI Bus error %04x\n", pci_cmd_status);
- }
-}
-
-static int rtl8139_poll(struct napi_struct *napi, int budget)
-{
- struct rtl8139_private *tp = container_of(napi, struct rtl8139_private, napi);
- struct net_device *dev = tp->dev;
- void __iomem *ioaddr = tp->mmio_addr;
- int work_done;
-
- spin_lock(&tp->rx_lock);
- work_done = 0;
- if (likely(RTL_R16(IntrStatus) & RxAckBits))
- work_done += rtl8139_rx(dev, tp, budget);
-
- if (work_done < budget) {
- unsigned long flags;
- /*
- * Order is important since data can get interrupted
- * again when we think we are done.
- */
- spin_lock_irqsave(&tp->lock, flags);
- __napi_complete(napi);
- RTL_W16_F(IntrMask, rtl8139_intr_mask);
- spin_unlock_irqrestore(&tp->lock, flags);
- }
- spin_unlock(&tp->rx_lock);
-
- return work_done;
-}
-
-/* The interrupt handler does all of the Rx thread work and cleans up
- after the Tx thread. */
-static irqreturn_t rtl8139_interrupt (int irq, void *dev_instance)
-{
- struct net_device *dev = (struct net_device *) dev_instance;
- struct rtl8139_private *tp = netdev_priv(dev);
- void __iomem *ioaddr = tp->mmio_addr;
- u16 status, ackstat;
- int link_changed = 0; /* avoid bogus "uninit" warning */
- int handled = 0;
-
- spin_lock (&tp->lock);
- status = RTL_R16 (IntrStatus);
-
- /* shared irq? */
- if (unlikely((status & rtl8139_intr_mask) == 0))
- goto out;
-
- handled = 1;
-
- /* h/w no longer present (hotplug?) or major error, bail */
- if (unlikely(status == 0xFFFF))
- goto out;
-
- /* close possible race's with dev_close */
- if (unlikely(!netif_running(dev))) {
- RTL_W16 (IntrMask, 0);
- goto out;
- }
-
- /* Acknowledge all of the current interrupt sources ASAP, but
- an first get an additional status bit from CSCR. */
- if (unlikely(status & RxUnderrun))
- link_changed = RTL_R16 (CSCR) & CSCR_LinkChangeBit;
-
- ackstat = status & ~(RxAckBits | TxErr);
- if (ackstat)
- RTL_W16 (IntrStatus, ackstat);
-
- /* Receive packets are processed by poll routine.
- If not running start it now. */
- if (status & RxAckBits){
- if (napi_schedule_prep(&tp->napi)) {
- RTL_W16_F (IntrMask, rtl8139_norx_intr_mask);
- __napi_schedule(&tp->napi);
- }
- }
-
- /* Check uncommon events with one test. */
- if (unlikely(status & (PCIErr | PCSTimeout | RxUnderrun | RxErr)))
- rtl8139_weird_interrupt (dev, tp, ioaddr,
- status, link_changed);
-
- if (status & (TxOK | TxErr)) {
- rtl8139_tx_interrupt (dev, tp, ioaddr);
- if (status & TxErr)
- RTL_W16 (IntrStatus, TxErr);
- }
- out:
- spin_unlock (&tp->lock);
-
- netdev_dbg(dev, "exiting interrupt, intr_status=%#4.4x\n",
- RTL_R16(IntrStatus));
- return IRQ_RETVAL(handled);
-}
-
-#ifdef CONFIG_NET_POLL_CONTROLLER
-/*
- * Polling receive - used by netconsole and other diagnostic tools
- * to allow network i/o with interrupts disabled.
- */
-static void rtl8139_poll_controller(struct net_device *dev)
-{
- disable_irq(dev->irq);
- rtl8139_interrupt(dev->irq, dev);
- enable_irq(dev->irq);
-}
-#endif
-
-static int rtl8139_set_mac_address(struct net_device *dev, void *p)
-{
- struct rtl8139_private *tp = netdev_priv(dev);
- void __iomem *ioaddr = tp->mmio_addr;
- struct sockaddr *addr = p;
-
- if (!is_valid_ether_addr(addr->sa_data))
- return -EADDRNOTAVAIL;
-
- memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
-
- spin_lock_irq(&tp->lock);
-
- RTL_W8_F(Cfg9346, Cfg9346_Unlock);
- RTL_W32_F(MAC0 + 0, cpu_to_le32 (*(u32 *) (dev->dev_addr + 0)));
- RTL_W32_F(MAC0 + 4, cpu_to_le32 (*(u32 *) (dev->dev_addr + 4)));
- RTL_W8_F(Cfg9346, Cfg9346_Lock);
-
- spin_unlock_irq(&tp->lock);
-
- return 0;
-}
-
-static int rtl8139_close (struct net_device *dev)
-{
- struct rtl8139_private *tp = netdev_priv(dev);
- void __iomem *ioaddr = tp->mmio_addr;
- unsigned long flags;
-
- netif_stop_queue(dev);
- napi_disable(&tp->napi);
-
- netif_dbg(tp, ifdown, dev, "Shutting down ethercard, status was 0x%04x\n",
- RTL_R16(IntrStatus));
-
- spin_lock_irqsave (&tp->lock, flags);
-
- /* Stop the chip's Tx and Rx DMA processes. */
- RTL_W8 (ChipCmd, 0);
-
- /* Disable interrupts by clearing the interrupt mask. */
- RTL_W16 (IntrMask, 0);
-
- /* Update the error counts. */
- dev->stats.rx_missed_errors += RTL_R32 (RxMissed);
- RTL_W32 (RxMissed, 0);
-
- spin_unlock_irqrestore (&tp->lock, flags);
-
- free_irq (dev->irq, dev);
-
- rtl8139_tx_clear (tp);
-
- dma_free_coherent(&tp->pci_dev->dev, RX_BUF_TOT_LEN,
- tp->rx_ring, tp->rx_ring_dma);
- dma_free_coherent(&tp->pci_dev->dev, TX_BUF_TOT_LEN,
- tp->tx_bufs, tp->tx_bufs_dma);
- tp->rx_ring = NULL;
- tp->tx_bufs = NULL;
-
- /* Green! Put the chip in low-power mode. */
- RTL_W8 (Cfg9346, Cfg9346_Unlock);
-
- if (rtl_chip_info[tp->chipset].flags & HasHltClk)
- RTL_W8 (HltClk, 'H'); /* 'R' would leave the clock running. */
-
- return 0;
-}
-
-
-/* Get the ethtool Wake-on-LAN settings. Assumes that wol points to
- kernel memory, *wol has been initialized as {ETHTOOL_GWOL}, and
- other threads or interrupts aren't messing with the 8139. */
-static void rtl8139_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
-{
- struct rtl8139_private *tp = netdev_priv(dev);
- void __iomem *ioaddr = tp->mmio_addr;
-
- spin_lock_irq(&tp->lock);
- if (rtl_chip_info[tp->chipset].flags & HasLWake) {
- u8 cfg3 = RTL_R8 (Config3);
- u8 cfg5 = RTL_R8 (Config5);
-
- wol->supported = WAKE_PHY | WAKE_MAGIC
- | WAKE_UCAST | WAKE_MCAST | WAKE_BCAST;
-
- wol->wolopts = 0;
- if (cfg3 & Cfg3_LinkUp)
- wol->wolopts |= WAKE_PHY;
- if (cfg3 & Cfg3_Magic)
- wol->wolopts |= WAKE_MAGIC;
- /* (KON)FIXME: See how netdev_set_wol() handles the
- following constants. */
- if (cfg5 & Cfg5_UWF)
- wol->wolopts |= WAKE_UCAST;
- if (cfg5 & Cfg5_MWF)
- wol->wolopts |= WAKE_MCAST;
- if (cfg5 & Cfg5_BWF)
- wol->wolopts |= WAKE_BCAST;
- }
- spin_unlock_irq(&tp->lock);
-}
-
-
-/* Set the ethtool Wake-on-LAN settings. Return 0 or -errno. Assumes
- that wol points to kernel memory and other threads or interrupts
- aren't messing with the 8139. */
-static int rtl8139_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
-{
- struct rtl8139_private *tp = netdev_priv(dev);
- void __iomem *ioaddr = tp->mmio_addr;
- u32 support;
- u8 cfg3, cfg5;
-
- support = ((rtl_chip_info[tp->chipset].flags & HasLWake)
- ? (WAKE_PHY | WAKE_MAGIC
- | WAKE_UCAST | WAKE_MCAST | WAKE_BCAST)
- : 0);
- if (wol->wolopts & ~support)
- return -EINVAL;
-
- spin_lock_irq(&tp->lock);
- cfg3 = RTL_R8 (Config3) & ~(Cfg3_LinkUp | Cfg3_Magic);
- if (wol->wolopts & WAKE_PHY)
- cfg3 |= Cfg3_LinkUp;
- if (wol->wolopts & WAKE_MAGIC)
- cfg3 |= Cfg3_Magic;
- RTL_W8 (Cfg9346, Cfg9346_Unlock);
- RTL_W8 (Config3, cfg3);
- RTL_W8 (Cfg9346, Cfg9346_Lock);
-
- cfg5 = RTL_R8 (Config5) & ~(Cfg5_UWF | Cfg5_MWF | Cfg5_BWF);
- /* (KON)FIXME: These are untested. We may have to set the
- CRC0, Wakeup0 and LSBCRC0 registers too, but I have no
- documentation. */
- if (wol->wolopts & WAKE_UCAST)
- cfg5 |= Cfg5_UWF;
- if (wol->wolopts & WAKE_MCAST)
- cfg5 |= Cfg5_MWF;
- if (wol->wolopts & WAKE_BCAST)
- cfg5 |= Cfg5_BWF;
- RTL_W8 (Config5, cfg5); /* need not unlock via Cfg9346 */
- spin_unlock_irq(&tp->lock);
-
- return 0;
-}
-
-static void rtl8139_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
-{
- struct rtl8139_private *tp = netdev_priv(dev);
- strcpy(info->driver, DRV_NAME);
- strcpy(info->version, DRV_VERSION);
- strcpy(info->bus_info, pci_name(tp->pci_dev));
- info->regdump_len = tp->regs_len;
-}
-
-static int rtl8139_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
-{
- struct rtl8139_private *tp = netdev_priv(dev);
- spin_lock_irq(&tp->lock);
- mii_ethtool_gset(&tp->mii, cmd);
- spin_unlock_irq(&tp->lock);
- return 0;
-}
-
-static int rtl8139_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
-{
- struct rtl8139_private *tp = netdev_priv(dev);
- int rc;
- spin_lock_irq(&tp->lock);
- rc = mii_ethtool_sset(&tp->mii, cmd);
- spin_unlock_irq(&tp->lock);
- return rc;
-}
-
-static int rtl8139_nway_reset(struct net_device *dev)
-{
- struct rtl8139_private *tp = netdev_priv(dev);
- return mii_nway_restart(&tp->mii);
-}
-
-static u32 rtl8139_get_link(struct net_device *dev)
-{
- struct rtl8139_private *tp = netdev_priv(dev);
- return mii_link_ok(&tp->mii);
-}
-
-static u32 rtl8139_get_msglevel(struct net_device *dev)
-{
- struct rtl8139_private *tp = netdev_priv(dev);
- return tp->msg_enable;
-}
-
-static void rtl8139_set_msglevel(struct net_device *dev, u32 datum)
-{
- struct rtl8139_private *tp = netdev_priv(dev);
- tp->msg_enable = datum;
-}
-
-static int rtl8139_get_regs_len(struct net_device *dev)
-{
- struct rtl8139_private *tp;
- /* TODO: we are too slack to do reg dumping for pio, for now */
- if (use_io)
- return 0;
- tp = netdev_priv(dev);
- return tp->regs_len;
-}
-
-static void rtl8139_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *regbuf)
-{
- struct rtl8139_private *tp;
-
- /* TODO: we are too slack to do reg dumping for pio, for now */
- if (use_io)
- return;
- tp = netdev_priv(dev);
-
- regs->version = RTL_REGS_VER;
-
- spin_lock_irq(&tp->lock);
- memcpy_fromio(regbuf, tp->mmio_addr, regs->len);
- spin_unlock_irq(&tp->lock);
-}
-
-static int rtl8139_get_sset_count(struct net_device *dev, int sset)
-{
- switch (sset) {
- case ETH_SS_STATS:
- return RTL_NUM_STATS;
- default:
- return -EOPNOTSUPP;
- }
-}
-
-static void rtl8139_get_ethtool_stats(struct net_device *dev, struct ethtool_stats *stats, u64 *data)
-{
- struct rtl8139_private *tp = netdev_priv(dev);
-
- data[0] = tp->xstats.early_rx;
- data[1] = tp->xstats.tx_buf_mapped;
- data[2] = tp->xstats.tx_timeouts;
- data[3] = tp->xstats.rx_lost_in_ring;
-}
-
-static void rtl8139_get_strings(struct net_device *dev, u32 stringset, u8 *data)
-{
- memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys));
-}
-
-static const struct ethtool_ops rtl8139_ethtool_ops = {
- .get_drvinfo = rtl8139_get_drvinfo,
- .get_settings = rtl8139_get_settings,
- .set_settings = rtl8139_set_settings,
- .get_regs_len = rtl8139_get_regs_len,
- .get_regs = rtl8139_get_regs,
- .nway_reset = rtl8139_nway_reset,
- .get_link = rtl8139_get_link,
- .get_msglevel = rtl8139_get_msglevel,
- .set_msglevel = rtl8139_set_msglevel,
- .get_wol = rtl8139_get_wol,
- .set_wol = rtl8139_set_wol,
- .get_strings = rtl8139_get_strings,
- .get_sset_count = rtl8139_get_sset_count,
- .get_ethtool_stats = rtl8139_get_ethtool_stats,
-};
-
-static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
-{
- struct rtl8139_private *tp = netdev_priv(dev);
- int rc;
-
- if (!netif_running(dev))
- return -EINVAL;
-
- spin_lock_irq(&tp->lock);
- rc = generic_mii_ioctl(&tp->mii, if_mii(rq), cmd, NULL);
- spin_unlock_irq(&tp->lock);
-
- return rc;
-}
-
-
-static struct net_device_stats *rtl8139_get_stats (struct net_device *dev)
-{
- struct rtl8139_private *tp = netdev_priv(dev);
- void __iomem *ioaddr = tp->mmio_addr;
- unsigned long flags;
-
- if (netif_running(dev)) {
- spin_lock_irqsave (&tp->lock, flags);
- dev->stats.rx_missed_errors += RTL_R32 (RxMissed);
- RTL_W32 (RxMissed, 0);
- spin_unlock_irqrestore (&tp->lock, flags);
- }
-
- return &dev->stats;
-}
-
-/* Set or clear the multicast filter for this adaptor.
- This routine is not state sensitive and need not be SMP locked. */
-
-static void __set_rx_mode (struct net_device *dev)
-{
- struct rtl8139_private *tp = netdev_priv(dev);
- void __iomem *ioaddr = tp->mmio_addr;
- u32 mc_filter[2]; /* Multicast hash filter */
- int rx_mode;
- u32 tmp;
-
- netdev_dbg(dev, "rtl8139_set_rx_mode(%04x) done -- Rx config %08x\n",
- dev->flags, RTL_R32(RxConfig));
-
- /* Note: do not reorder, GCC is clever about common statements. */
- if (dev->flags & IFF_PROMISC) {
- rx_mode =
- AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
- AcceptAllPhys;
- mc_filter[1] = mc_filter[0] = 0xffffffff;
- } else if ((netdev_mc_count(dev) > multicast_filter_limit) ||
- (dev->flags & IFF_ALLMULTI)) {
- /* Too many to filter perfectly -- accept all multicasts. */
- rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
- mc_filter[1] = mc_filter[0] = 0xffffffff;
- } else {
- struct netdev_hw_addr *ha;
- rx_mode = AcceptBroadcast | AcceptMyPhys;
- mc_filter[1] = mc_filter[0] = 0;
- netdev_for_each_mc_addr(ha, dev) {
- int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
-
- mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
- rx_mode |= AcceptMulticast;
- }
- }
-
- /* We can safely update without stopping the chip. */
- tmp = rtl8139_rx_config | rx_mode;
- if (tp->rx_config != tmp) {
- RTL_W32_F (RxConfig, tmp);
- tp->rx_config = tmp;
- }
- RTL_W32_F (MAR0 + 0, mc_filter[0]);
- RTL_W32_F (MAR0 + 4, mc_filter[1]);
-}
-
-static void rtl8139_set_rx_mode (struct net_device *dev)
-{
- unsigned long flags;
- struct rtl8139_private *tp = netdev_priv(dev);
-
- spin_lock_irqsave (&tp->lock, flags);
- __set_rx_mode(dev);
- spin_unlock_irqrestore (&tp->lock, flags);
-}
-
-#ifdef CONFIG_PM
-
-static int rtl8139_suspend (struct pci_dev *pdev, pm_message_t state)
-{
- struct net_device *dev = pci_get_drvdata (pdev);
- struct rtl8139_private *tp = netdev_priv(dev);
- void __iomem *ioaddr = tp->mmio_addr;
- unsigned long flags;
-
- pci_save_state (pdev);
-
- if (!netif_running (dev))
- return 0;
-
- netif_device_detach (dev);
-
- spin_lock_irqsave (&tp->lock, flags);
-
- /* Disable interrupts, stop Tx and Rx. */
- RTL_W16 (IntrMask, 0);
- RTL_W8 (ChipCmd, 0);
-
- /* Update the error counts. */
- dev->stats.rx_missed_errors += RTL_R32 (RxMissed);
- RTL_W32 (RxMissed, 0);
-
- spin_unlock_irqrestore (&tp->lock, flags);
-
- pci_set_power_state (pdev, PCI_D3hot);
-
- return 0;
-}
-
-
-static int rtl8139_resume (struct pci_dev *pdev)
-{
- struct net_device *dev = pci_get_drvdata (pdev);
-
- pci_restore_state (pdev);
- if (!netif_running (dev))
- return 0;
- pci_set_power_state (pdev, PCI_D0);
- rtl8139_init_ring (dev);
- rtl8139_hw_start (dev);
- netif_device_attach (dev);
- return 0;
-}
-
-#endif /* CONFIG_PM */
-
-
-static struct pci_driver rtl8139_pci_driver = {
- .name = DRV_NAME,
- .id_table = rtl8139_pci_tbl,
- .probe = rtl8139_init_one,
- .remove = __devexit_p(rtl8139_remove_one),
-#ifdef CONFIG_PM
- .suspend = rtl8139_suspend,
- .resume = rtl8139_resume,
-#endif /* CONFIG_PM */
-};
-
-
-static int __init rtl8139_init_module (void)
-{
- /* when we're a module, we always print a version message,
- * even if no 8139 board is found.
- */
-#ifdef MODULE
- pr_info(RTL8139_DRIVER_NAME "\n");
-#endif
-
- return pci_register_driver(&rtl8139_pci_driver);
-}
-
-
-static void __exit rtl8139_cleanup_module (void)
-{
- pci_unregister_driver (&rtl8139_pci_driver);
-}
-
-
-module_init(rtl8139_init_module);
-module_exit(rtl8139_cleanup_module);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 08:11:33 +0100