diff options
Diffstat (limited to 'drivers/net')
57 files changed, 477 insertions, 410 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 95a6ca7d9e51..69aff72c8957 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -3077,7 +3077,7 @@ static int bond_open(struct net_device *bond_dev) if (bond_has_slaves(bond)) { read_lock(&bond->curr_slave_lock); bond_for_each_slave(bond, slave, iter) { - if ((bond->params.mode == BOND_MODE_ACTIVEBACKUP) + if (USES_PRIMARY(bond->params.mode) && (slave != bond->curr_active_slave)) { bond_set_slave_inactive_flags(slave, BOND_SLAVE_NOTIFY_NOW); @@ -4492,6 +4492,7 @@ static int __init bonding_init(void) out: return res; err: + bond_destroy_debugfs(); bond_netlink_fini(); err_link: unregister_pernet_subsys(&bond_net_ops); diff --git a/drivers/net/can/sja1000/Kconfig b/drivers/net/can/sja1000/Kconfig index 4b18b8765523..1e65cb6c2591 100644 --- a/drivers/net/can/sja1000/Kconfig +++ b/drivers/net/can/sja1000/Kconfig @@ -39,7 +39,7 @@ config CAN_EMS_PCI config CAN_PEAK_PCMCIA tristate "PEAK PCAN-PC Card" depends on PCMCIA - depends on HAS_IOPORT + depends on HAS_IOPORT_MAP ---help--- This driver is for the PCAN-PC Card PCMCIA adapter (1 or 2 channels) from PEAK-System (http://www.peak-system.com). To compile this diff --git a/drivers/net/ethernet/3com/Kconfig b/drivers/net/ethernet/3com/Kconfig index 65b735d4a6ad..afaab4b2333f 100644 --- a/drivers/net/ethernet/3com/Kconfig +++ b/drivers/net/ethernet/3com/Kconfig @@ -66,7 +66,7 @@ config PCMCIA_3C589 config VORTEX tristate "3c590/3c900 series (592/595/597) \"Vortex/Boomerang\" support" - depends on (PCI || EISA) && HAS_IOPORT + depends on (PCI || EISA) && HAS_IOPORT_MAP select MII ---help--- This option enables driver support for a large number of 10Mbps and diff --git a/drivers/net/ethernet/8390/apne.c b/drivers/net/ethernet/8390/apne.c index 30104b60da85..c56ac9ebc08f 100644 --- a/drivers/net/ethernet/8390/apne.c +++ b/drivers/net/ethernet/8390/apne.c @@ -560,9 +560,7 @@ static struct net_device *apne_dev; static int __init apne_module_init(void) { apne_dev = apne_probe(-1); - if (IS_ERR(apne_dev)) - return PTR_ERR(apne_dev); - return 0; + return PTR_ERR_OR_ZERO(apne_dev); } static void __exit apne_module_exit(void) diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c b/drivers/net/ethernet/allwinner/sun4i-emac.c index fcaeeb8a4929..28460676b8ca 100644 --- a/drivers/net/ethernet/allwinner/sun4i-emac.c +++ b/drivers/net/ethernet/allwinner/sun4i-emac.c @@ -268,15 +268,6 @@ static unsigned int emac_setup(struct net_device *ndev) writel(reg_val | EMAC_TX_MODE_ABORTED_FRAME_EN, db->membase + EMAC_TX_MODE_REG); - /* set up RX */ - reg_val = readl(db->membase + EMAC_RX_CTL_REG); - - writel(reg_val | EMAC_RX_CTL_PASS_LEN_OOR_EN | - EMAC_RX_CTL_ACCEPT_UNICAST_EN | EMAC_RX_CTL_DA_FILTER_EN | - EMAC_RX_CTL_ACCEPT_MULTICAST_EN | - EMAC_RX_CTL_ACCEPT_BROADCAST_EN, - db->membase + EMAC_RX_CTL_REG); - /* set MAC */ /* set MAC CTL0 */ reg_val = readl(db->membase + EMAC_MAC_CTL0_REG); @@ -309,6 +300,26 @@ static unsigned int emac_setup(struct net_device *ndev) return 0; } +static void emac_set_rx_mode(struct net_device *ndev) +{ + struct emac_board_info *db = netdev_priv(ndev); + unsigned int reg_val; + + /* set up RX */ + reg_val = readl(db->membase + EMAC_RX_CTL_REG); + + if (ndev->flags & IFF_PROMISC) + reg_val |= EMAC_RX_CTL_PASS_ALL_EN; + else + reg_val &= ~EMAC_RX_CTL_PASS_ALL_EN; + + writel(reg_val | EMAC_RX_CTL_PASS_LEN_OOR_EN | + EMAC_RX_CTL_ACCEPT_UNICAST_EN | EMAC_RX_CTL_DA_FILTER_EN | + EMAC_RX_CTL_ACCEPT_MULTICAST_EN | + EMAC_RX_CTL_ACCEPT_BROADCAST_EN, + db->membase + EMAC_RX_CTL_REG); +} + static unsigned int emac_powerup(struct net_device *ndev) { struct emac_board_info *db = netdev_priv(ndev); @@ -782,6 +793,7 @@ static const struct net_device_ops emac_netdev_ops = { .ndo_stop = emac_stop, .ndo_start_xmit = emac_start_xmit, .ndo_tx_timeout = emac_timeout, + .ndo_set_rx_mode = emac_set_rx_mode, .ndo_do_ioctl = emac_ioctl, .ndo_change_mtu = eth_change_mtu, .ndo_validate_addr = eth_validate_addr, diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h index 05f4f5f52635..3448cc033ca5 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h @@ -21,6 +21,7 @@ #include <linux/pci.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> +#include <linux/irq.h> #include "bnx2x.h" #include "bnx2x_sriov.h" diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index adf8acbddf56..0966bd04375f 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -34,7 +34,6 @@ #include <linux/dma-mapping.h> #include <linux/pm.h> #include <linux/clk.h> -#include <linux/version.h> #include <linux/of.h> #include <linux/of_address.h> #include <linux/of_irq.h> diff --git a/drivers/net/ethernet/cadence/at91_ether.c b/drivers/net/ethernet/cadence/at91_ether.c index ce75de9bae9e..4a79edaf3885 100644 --- a/drivers/net/ethernet/cadence/at91_ether.c +++ b/drivers/net/ethernet/cadence/at91_ether.c @@ -342,6 +342,9 @@ static int __init at91ether_probe(struct platform_device *pdev) } clk_enable(lp->pclk); + lp->hclk = ERR_PTR(-ENOENT); + lp->tx_clk = ERR_PTR(-ENOENT); + /* Install the interrupt handler */ dev->irq = platform_get_irq(pdev, 0); res = devm_request_irq(&pdev->dev, dev->irq, at91ether_interrupt, 0, dev->name, dev); diff --git a/drivers/net/ethernet/cisco/enic/enic.h b/drivers/net/ethernet/cisco/enic/enic.h index e9f7c656ddda..e35c8e0202ad 100644 --- a/drivers/net/ethernet/cisco/enic/enic.h +++ b/drivers/net/ethernet/cisco/enic/enic.h @@ -29,6 +29,7 @@ #include "vnic_stats.h" #include "vnic_nic.h" #include "vnic_rss.h" +#include <linux/irq.h> #define DRV_NAME "enic" #define DRV_DESCRIPTION "Cisco VIC Ethernet NIC Driver" diff --git a/drivers/net/ethernet/intel/e1000/e1000_hw.c b/drivers/net/ethernet/intel/e1000/e1000_hw.c index 2879b9631e15..c1d3fdb296a0 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_hw.c +++ b/drivers/net/ethernet/intel/e1000/e1000_hw.c @@ -115,8 +115,6 @@ static DEFINE_SPINLOCK(e1000_phy_lock); */ static s32 e1000_set_phy_type(struct e1000_hw *hw) { - e_dbg("e1000_set_phy_type"); - if (hw->mac_type == e1000_undefined) return -E1000_ERR_PHY_TYPE; @@ -159,8 +157,6 @@ static void e1000_phy_init_script(struct e1000_hw *hw) u32 ret_val; u16 phy_saved_data; - e_dbg("e1000_phy_init_script"); - if (hw->phy_init_script) { msleep(20); @@ -253,8 +249,6 @@ static void e1000_phy_init_script(struct e1000_hw *hw) */ s32 e1000_set_mac_type(struct e1000_hw *hw) { - e_dbg("e1000_set_mac_type"); - switch (hw->device_id) { case E1000_DEV_ID_82542: switch (hw->revision_id) { @@ -365,8 +359,6 @@ void e1000_set_media_type(struct e1000_hw *hw) { u32 status; - e_dbg("e1000_set_media_type"); - if (hw->mac_type != e1000_82543) { /* tbi_compatibility is only valid on 82543 */ hw->tbi_compatibility_en = false; @@ -415,8 +407,6 @@ s32 e1000_reset_hw(struct e1000_hw *hw) u32 led_ctrl; s32 ret_val; - e_dbg("e1000_reset_hw"); - /* For 82542 (rev 2.0), disable MWI before issuing a device reset */ if (hw->mac_type == e1000_82542_rev2_0) { e_dbg("Disabling MWI on 82542 rev 2.0\n"); @@ -566,8 +556,6 @@ s32 e1000_init_hw(struct e1000_hw *hw) u32 mta_size; u32 ctrl_ext; - e_dbg("e1000_init_hw"); - /* Initialize Identification LED */ ret_val = e1000_id_led_init(hw); if (ret_val) { @@ -683,8 +671,6 @@ static s32 e1000_adjust_serdes_amplitude(struct e1000_hw *hw) u16 eeprom_data; s32 ret_val; - e_dbg("e1000_adjust_serdes_amplitude"); - if (hw->media_type != e1000_media_type_internal_serdes) return E1000_SUCCESS; @@ -730,8 +716,6 @@ s32 e1000_setup_link(struct e1000_hw *hw) s32 ret_val; u16 eeprom_data; - e_dbg("e1000_setup_link"); - /* Read and store word 0x0F of the EEPROM. This word contains bits * that determine the hardware's default PAUSE (flow control) mode, * a bit that determines whether the HW defaults to enabling or @@ -848,8 +832,6 @@ static s32 e1000_setup_fiber_serdes_link(struct e1000_hw *hw) u32 signal = 0; s32 ret_val; - e_dbg("e1000_setup_fiber_serdes_link"); - /* On adapters with a MAC newer than 82544, SWDP 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. @@ -1051,8 +1033,6 @@ static s32 e1000_copper_link_preconfig(struct e1000_hw *hw) s32 ret_val; u16 phy_data; - e_dbg("e1000_copper_link_preconfig"); - ctrl = er32(CTRL); /* With 82543, we need to force speed and duplex on the MAC equal to * what the PHY speed and duplex configuration is. In addition, we need @@ -1112,8 +1092,6 @@ static s32 e1000_copper_link_igp_setup(struct e1000_hw *hw) s32 ret_val; u16 phy_data; - e_dbg("e1000_copper_link_igp_setup"); - if (hw->phy_reset_disable) return E1000_SUCCESS; @@ -1254,8 +1232,6 @@ static s32 e1000_copper_link_mgp_setup(struct e1000_hw *hw) s32 ret_val; u16 phy_data; - e_dbg("e1000_copper_link_mgp_setup"); - if (hw->phy_reset_disable) return E1000_SUCCESS; @@ -1362,8 +1338,6 @@ static s32 e1000_copper_link_autoneg(struct e1000_hw *hw) s32 ret_val; u16 phy_data; - e_dbg("e1000_copper_link_autoneg"); - /* Perform some bounds checking on the hw->autoneg_advertised * parameter. If this variable is zero, then set it to the default. */ @@ -1432,7 +1406,6 @@ static s32 e1000_copper_link_autoneg(struct e1000_hw *hw) static s32 e1000_copper_link_postconfig(struct e1000_hw *hw) { s32 ret_val; - e_dbg("e1000_copper_link_postconfig"); if ((hw->mac_type >= e1000_82544) && (hw->mac_type != e1000_ce4100)) { e1000_config_collision_dist(hw); @@ -1473,8 +1446,6 @@ static s32 e1000_setup_copper_link(struct e1000_hw *hw) u16 i; u16 phy_data; - e_dbg("e1000_setup_copper_link"); - /* Check if it is a valid PHY and set PHY mode if necessary. */ ret_val = e1000_copper_link_preconfig(hw); if (ret_val) @@ -1554,8 +1525,6 @@ s32 e1000_phy_setup_autoneg(struct e1000_hw *hw) u16 mii_autoneg_adv_reg; u16 mii_1000t_ctrl_reg; - e_dbg("e1000_phy_setup_autoneg"); - /* Read the MII Auto-Neg Advertisement Register (Address 4). */ ret_val = e1000_read_phy_reg(hw, PHY_AUTONEG_ADV, &mii_autoneg_adv_reg); if (ret_val) @@ -1707,8 +1676,6 @@ static s32 e1000_phy_force_speed_duplex(struct e1000_hw *hw) u16 phy_data; u16 i; - e_dbg("e1000_phy_force_speed_duplex"); - /* Turn off Flow control if we are forcing speed and duplex. */ hw->fc = E1000_FC_NONE; @@ -1939,8 +1906,6 @@ void e1000_config_collision_dist(struct e1000_hw *hw) { u32 tctl, coll_dist; - e_dbg("e1000_config_collision_dist"); - if (hw->mac_type < e1000_82543) coll_dist = E1000_COLLISION_DISTANCE_82542; else @@ -1970,8 +1935,6 @@ static s32 e1000_config_mac_to_phy(struct e1000_hw *hw) s32 ret_val; u16 phy_data; - e_dbg("e1000_config_mac_to_phy"); - /* 82544 or newer MAC, Auto Speed Detection takes care of * MAC speed/duplex configuration. */ @@ -2049,8 +2012,6 @@ s32 e1000_force_mac_fc(struct e1000_hw *hw) { u32 ctrl; - e_dbg("e1000_force_mac_fc"); - /* Get the current configuration of the Device Control Register */ ctrl = er32(CTRL); @@ -2120,8 +2081,6 @@ static s32 e1000_config_fc_after_link_up(struct e1000_hw *hw) u16 speed; u16 duplex; - e_dbg("e1000_config_fc_after_link_up"); - /* Check for the case where we have fiber media and auto-neg failed * so we had to force link. In this case, we need to force the * configuration of the MAC to match the "fc" parameter. @@ -2337,8 +2296,6 @@ static s32 e1000_check_for_serdes_link_generic(struct e1000_hw *hw) u32 status; s32 ret_val = E1000_SUCCESS; - e_dbg("e1000_check_for_serdes_link_generic"); - ctrl = er32(CTRL); status = er32(STATUS); rxcw = er32(RXCW); @@ -2449,8 +2406,6 @@ s32 e1000_check_for_link(struct e1000_hw *hw) s32 ret_val; u16 phy_data; - e_dbg("e1000_check_for_link"); - ctrl = er32(CTRL); status = er32(STATUS); @@ -2632,8 +2587,6 @@ s32 e1000_get_speed_and_duplex(struct e1000_hw *hw, u16 *speed, u16 *duplex) s32 ret_val; u16 phy_data; - e_dbg("e1000_get_speed_and_duplex"); - if (hw->mac_type >= e1000_82543) { status = er32(STATUS); if (status & E1000_STATUS_SPEED_1000) { @@ -2699,7 +2652,6 @@ static s32 e1000_wait_autoneg(struct e1000_hw *hw) u16 i; u16 phy_data; - e_dbg("e1000_wait_autoneg"); e_dbg("Waiting for Auto-Neg to complete.\n"); /* We will wait for autoneg to complete or 4.5 seconds to expire. */ @@ -2866,8 +2818,6 @@ s32 e1000_read_phy_reg(struct e1000_hw *hw, u32 reg_addr, u16 *phy_data) u32 ret_val; unsigned long flags; - e_dbg("e1000_read_phy_reg"); - spin_lock_irqsave(&e1000_phy_lock, flags); if ((hw->phy_type == e1000_phy_igp) && @@ -2894,8 +2844,6 @@ static s32 e1000_read_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr, u32 mdic = 0; const u32 phy_addr = (hw->mac_type == e1000_ce4100) ? hw->phy_addr : 1; - e_dbg("e1000_read_phy_reg_ex"); - if (reg_addr > MAX_PHY_REG_ADDRESS) { e_dbg("PHY Address %d is out of range\n", reg_addr); return -E1000_ERR_PARAM; @@ -3008,8 +2956,6 @@ s32 e1000_write_phy_reg(struct e1000_hw *hw, u32 reg_addr, u16 phy_data) u32 ret_val; unsigned long flags; - e_dbg("e1000_write_phy_reg"); - spin_lock_irqsave(&e1000_phy_lock, flags); if ((hw->phy_type == e1000_phy_igp) && @@ -3036,8 +2982,6 @@ static s32 e1000_write_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr, u32 mdic = 0; const u32 phy_addr = (hw->mac_type == e1000_ce4100) ? hw->phy_addr : 1; - e_dbg("e1000_write_phy_reg_ex"); - if (reg_addr > MAX_PHY_REG_ADDRESS) { e_dbg("PHY Address %d is out of range\n", reg_addr); return -E1000_ERR_PARAM; @@ -3129,8 +3073,6 @@ s32 e1000_phy_hw_reset(struct e1000_hw *hw) u32 ctrl, ctrl_ext; u32 led_ctrl; - e_dbg("e1000_phy_hw_reset"); - e_dbg("Resetting Phy...\n"); if (hw->mac_type > e1000_82543) { @@ -3189,8 +3131,6 @@ s32 e1000_phy_reset(struct e1000_hw *hw) s32 ret_val; u16 phy_data; - e_dbg("e1000_phy_reset"); - switch (hw->phy_type) { case e1000_phy_igp: ret_val = e1000_phy_hw_reset(hw); @@ -3229,8 +3169,6 @@ static s32 e1000_detect_gig_phy(struct e1000_hw *hw) u16 phy_id_high, phy_id_low; bool match = false; - e_dbg("e1000_detect_gig_phy"); - if (hw->phy_id != 0) return E1000_SUCCESS; @@ -3301,7 +3239,6 @@ static s32 e1000_detect_gig_phy(struct e1000_hw *hw) static s32 e1000_phy_reset_dsp(struct e1000_hw *hw) { s32 ret_val; - e_dbg("e1000_phy_reset_dsp"); do { ret_val = e1000_write_phy_reg(hw, 29, 0x001d); @@ -3333,8 +3270,6 @@ static s32 e1000_phy_igp_get_info(struct e1000_hw *hw, u16 phy_data, min_length, max_length, average; e1000_rev_polarity polarity; - e_dbg("e1000_phy_igp_get_info"); - /* The downshift status is checked only once, after link is established, * and it stored in the hw->speed_downgraded parameter. */ @@ -3414,8 +3349,6 @@ static s32 e1000_phy_m88_get_info(struct e1000_hw *hw, u16 phy_data; e1000_rev_polarity polarity; - e_dbg("e1000_phy_m88_get_info"); - /* The downshift status is checked only once, after link is established, * and it stored in the hw->speed_downgraded parameter. */ @@ -3487,8 +3420,6 @@ s32 e1000_phy_get_info(struct e1000_hw *hw, struct e1000_phy_info *phy_info) s32 ret_val; u16 phy_data; - e_dbg("e1000_phy_get_info"); - phy_info->cable_length = e1000_cable_length_undefined; phy_info->extended_10bt_distance = e1000_10bt_ext_dist_enable_undefined; phy_info->cable_polarity = e1000_rev_polarity_undefined; @@ -3527,8 +3458,6 @@ s32 e1000_phy_get_info(struct e1000_hw *hw, struct e1000_phy_info *phy_info) s32 e1000_validate_mdi_setting(struct e1000_hw *hw) { - e_dbg("e1000_validate_mdi_settings"); - if (!hw->autoneg && (hw->mdix == 0 || hw->mdix == 3)) { e_dbg("Invalid MDI setting detected\n"); hw->mdix = 1; @@ -3551,8 +3480,6 @@ s32 e1000_init_eeprom_params(struct e1000_hw *hw) s32 ret_val = E1000_SUCCESS; u16 eeprom_size; - e_dbg("e1000_init_eeprom_params"); - switch (hw->mac_type) { case e1000_82542_rev2_0: case e1000_82542_rev2_1: @@ -3770,8 +3697,6 @@ static s32 e1000_acquire_eeprom(struct e1000_hw *hw) struct e1000_eeprom_info *eeprom = &hw->eeprom; u32 eecd, i = 0; - e_dbg("e1000_acquire_eeprom"); - eecd = er32(EECD); /* Request EEPROM Access */ @@ -3871,8 +3796,6 @@ static void e1000_release_eeprom(struct e1000_hw *hw) { u32 eecd; - e_dbg("e1000_release_eeprom"); - eecd = er32(EECD); if (hw->eeprom.type == e1000_eeprom_spi) { @@ -3920,8 +3843,6 @@ static s32 e1000_spi_eeprom_ready(struct e1000_hw *hw) u16 retry_count = 0; u8 spi_stat_reg; - e_dbg("e1000_spi_eeprom_ready"); - /* Read "Status Register" repeatedly until the LSB is cleared. The * EEPROM will signal that the command has been completed by clearing * bit 0 of the internal status register. If it's not cleared within @@ -3974,8 +3895,6 @@ static s32 e1000_do_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words, struct e1000_eeprom_info *eeprom = &hw->eeprom; u32 i = 0; - e_dbg("e1000_read_eeprom"); - if (hw->mac_type == e1000_ce4100) { GBE_CONFIG_FLASH_READ(GBE_CONFIG_BASE_VIRT, offset, words, data); @@ -4076,8 +3995,6 @@ s32 e1000_validate_eeprom_checksum(struct e1000_hw *hw) u16 checksum = 0; u16 i, eeprom_data; - e_dbg("e1000_validate_eeprom_checksum"); - for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) { if (e1000_read_eeprom(hw, i, 1, &eeprom_data) < 0) { e_dbg("EEPROM Read Error\n"); @@ -4112,8 +4029,6 @@ s32 e1000_update_eeprom_checksum(struct e1000_hw *hw) u16 checksum = 0; u16 i, eeprom_data; - e_dbg("e1000_update_eeprom_checksum"); - for (i = 0; i < EEPROM_CHECKSUM_REG; i++) { if (e1000_read_eeprom(hw, i, 1, &eeprom_data) < 0) { e_dbg("EEPROM Read Error\n"); @@ -4154,8 +4069,6 @@ static s32 e1000_do_write_eeprom(struct e1000_hw *hw, u16 offset, u16 words, struct e1000_eeprom_info *eeprom = &hw->eeprom; s32 status = 0; - e_dbg("e1000_write_eeprom"); - if (hw->mac_type == e1000_ce4100) { GBE_CONFIG_FLASH_WRITE(GBE_CONFIG_BASE_VIRT, offset, words, data); @@ -4205,8 +4118,6 @@ static s32 e1000_write_eeprom_spi(struct e1000_hw *hw, u16 offset, u16 words, struct e1000_eeprom_info *eeprom = &hw->eeprom; u16 widx = 0; - e_dbg("e1000_write_eeprom_spi"); - while (widx < words) { u8 write_opcode = EEPROM_WRITE_OPCODE_SPI; @@ -4274,8 +4185,6 @@ static s32 e1000_write_eeprom_microwire(struct e1000_hw *hw, u16 offset, u16 words_written = 0; u16 i = 0; - e_dbg("e1000_write_eeprom_microwire"); - /* Send the write enable command to the EEPROM (3-bit opcode plus * 6/8-bit dummy address beginning with 11). It's less work to include * the 11 of the dummy address as part of the opcode than it is to shift @@ -4354,8 +4263,6 @@ s32 e1000_read_mac_addr(struct e1000_hw *hw) u16 offset; u16 eeprom_data, i; - e_dbg("e1000_read_mac_addr"); - for (i = 0; i < NODE_ADDRESS_SIZE; i += 2) { offset = i >> 1; if (e1000_read_eeprom(hw, offset, 1, &eeprom_data) < 0) { @@ -4394,8 +4301,6 @@ static void e1000_init_rx_addrs(struct e1000_hw *hw) u32 i; u32 rar_num; - e_dbg("e1000_init_rx_addrs"); - /* Setup the receive address. */ e_dbg("Programming MAC Address into RAR[0]\n"); @@ -4553,8 +4458,6 @@ static s32 e1000_id_led_init(struct e1000_hw *hw) u16 eeprom_data, i, temp; const u16 led_mask = 0x0F; - e_dbg("e1000_id_led_init"); - if (hw->mac_type < e1000_82540) { /* Nothing to do */ return E1000_SUCCESS; @@ -4626,8 +4529,6 @@ s32 e1000_setup_led(struct e1000_hw *hw) u32 ledctl; s32 ret_val = E1000_SUCCESS; - e_dbg("e1000_setup_led"); - switch (hw->mac_type) { case e1000_82542_rev2_0: case e1000_82542_rev2_1: @@ -4678,8 +4579,6 @@ s32 e1000_cleanup_led(struct e1000_hw *hw) { s32 ret_val = E1000_SUCCESS; - e_dbg("e1000_cleanup_led"); - switch (hw->mac_type) { case e1000_82542_rev2_0: case e1000_82542_rev2_1: @@ -4714,8 +4613,6 @@ s32 e1000_led_on(struct e1000_hw *hw) { u32 ctrl = er32(CTRL); - e_dbg("e1000_led_on"); - switch (hw->mac_type) { case e1000_82542_rev2_0: case e1000_82542_rev2_1: @@ -4760,8 +4657,6 @@ s32 e1000_led_off(struct e1000_hw *hw) { u32 ctrl = er32(CTRL); - e_dbg("e1000_led_off"); - switch (hw->mac_type) { case e1000_82542_rev2_0: case e1000_82542_rev2_1: @@ -4889,8 +4784,6 @@ static void e1000_clear_hw_cntrs(struct e1000_hw *hw) */ void e1000_reset_adaptive(struct e1000_hw *hw) { - e_dbg("e1000_reset_adaptive"); - if (hw->adaptive_ifs) { if (!hw->ifs_params_forced) { hw->current_ifs_val = 0; @@ -4917,8 +4810,6 @@ void e1000_reset_adaptive(struct e1000_hw *hw) */ void e1000_update_adaptive(struct e1000_hw *hw) { - e_dbg("e1000_update_adaptive"); - if (hw->adaptive_ifs) { if ((hw->collision_delta *hw->ifs_ratio) > hw->tx_packet_delta) { if (hw->tx_packet_delta > MIN_NUM_XMITS) { @@ -5114,8 +5005,6 @@ static s32 e1000_get_cable_length(struct e1000_hw *hw, u16 *min_length, u16 i, phy_data; u16 cable_length; - e_dbg("e1000_get_cable_length"); - *min_length = *max_length = 0; /* Use old method for Phy older than IGP */ @@ -5231,8 +5120,6 @@ static s32 e1000_check_polarity(struct e1000_hw *hw, s32 ret_val; u16 phy_data; - e_dbg("e1000_check_polarity"); - if (hw->phy_type == e1000_phy_m88) { /* return the Polarity bit in the Status register. */ ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, @@ -5299,8 +5186,6 @@ static s32 e1000_check_downshift(struct e1000_hw *hw) s32 ret_val; u16 phy_data; - e_dbg("e1000_check_downshift"); - if (hw->phy_type == e1000_phy_igp) { ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_LINK_HEALTH, &phy_data); @@ -5411,8 +5296,6 @@ static s32 e1000_config_dsp_after_link_change(struct e1000_hw *hw, bool link_up) s32 ret_val; u16 phy_data, phy_saved_data, speed, duplex, i; - e_dbg("e1000_config_dsp_after_link_change"); - if (hw->phy_type != e1000_phy_igp) return E1000_SUCCESS; @@ -5546,8 +5429,6 @@ static s32 e1000_set_phy_mode(struct e1000_hw *hw) s32 ret_val; u16 eeprom_data; - e_dbg("e1000_set_phy_mode"); - if ((hw->mac_type == e1000_82545_rev_3) && (hw->media_type == e1000_media_type_copper)) { ret_val = @@ -5594,7 +5475,6 @@ static s32 e1000_set_d3_lplu_state(struct e1000_hw *hw, bool active) { s32 ret_val; u16 phy_data; - e_dbg("e1000_set_d3_lplu_state"); if (hw->phy_type != e1000_phy_igp) return E1000_SUCCESS; @@ -5699,8 +5579,6 @@ static s32 e1000_set_vco_speed(struct e1000_hw *hw) u16 default_page = 0; u16 phy_data; - e_dbg("e1000_set_vco_speed"); - switch (hw->mac_type) { case e1000_82545_rev_3: case e1000_82546_rev_3: @@ -5872,7 +5750,6 @@ static s32 e1000_polarity_reversal_workaround(struct e1000_hw *hw) */ static s32 e1000_get_auto_rd_done(struct e1000_hw *hw) { - e_dbg("e1000_get_auto_rd_done"); msleep(5); return E1000_SUCCESS; } @@ -5887,7 +5764,6 @@ static s32 e1000_get_auto_rd_done(struct e1000_hw *hw) */ static s32 e1000_get_phy_cfg_done(struct e1000_hw *hw) { - e_dbg("e1000_get_phy_cfg_done"); msleep(10); return E1000_SUCCESS; } diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c index 46e6544ed1b7..27058dfe418b 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_main.c +++ b/drivers/net/ethernet/intel/e1000/e1000_main.c @@ -2682,14 +2682,13 @@ static int e1000_tso(struct e1000_adapter *adapter, u32 cmd_length = 0; u16 ipcse = 0, tucse, mss; u8 ipcss, ipcso, tucss, tucso, hdr_len; - int err; if (skb_is_gso(skb)) { - if (skb_header_cloned(skb)) { - err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC); - if (err) - return err; - } + int err; + + err = skb_cow_head(skb, 0); + if (err < 0) + return err; hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); mss = skb_shinfo(skb)->gso_size; diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index dce377b59b2c..d50c91e50528 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -5100,16 +5100,14 @@ static int e1000_tso(struct e1000_ring *tx_ring, struct sk_buff *skb) u32 cmd_length = 0; u16 ipcse = 0, mss; u8 ipcss, ipcso, tucss, tucso, hdr_len; + int err; if (!skb_is_gso(skb)) return 0; - if (skb_header_cloned(skb)) { - int err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC); - - if (err) - return err; - } + err = skb_cow_head(skb, 0); + if (err < 0) + return err; hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); mss = skb_shinfo(skb)->gso_size; diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c index 53be5f44d015..b9f50f40abe1 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c @@ -1114,20 +1114,18 @@ static int i40e_tso(struct i40e_ring *tx_ring, struct sk_buff *skb, u64 *cd_type_cmd_tso_mss, u32 *cd_tunneling) { u32 cd_cmd, cd_tso_len, cd_mss; + struct ipv6hdr *ipv6h; struct tcphdr *tcph; struct iphdr *iph; u32 l4len; int err; - struct ipv6hdr *ipv6h; if (!skb_is_gso(skb)) return 0; - if (skb_header_cloned(skb)) { - err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC); - if (err) - return err; - } + err = skb_cow_head(skb, 0); + if (err < 0) + return err; if (protocol == htons(ETH_P_IP)) { iph = skb->encapsulation ? inner_ip_hdr(skb) : ip_hdr(skb); diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c index e35e66ffa782..2797548fde0d 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c @@ -1412,6 +1412,14 @@ restart_watchdog: schedule_work(&adapter->adminq_task); } +/** + * i40evf_configure_rss - increment to next available tx queue + * @adapter: board private structure + * @j: queue counter + * + * Helper function for RSS programming to increment through available + * queus. Returns the next queue value. + **/ static int next_queue(struct i40evf_adapter *adapter, int j) { j += 1; @@ -1451,10 +1459,14 @@ static void i40evf_configure_rss(struct i40evf_adapter *adapter) /* Populate the LUT with max no. of queues in round robin fashion */ j = adapter->vsi_res->num_queue_pairs; for (i = 0; i <= I40E_VFQF_HLUT_MAX_INDEX; i++) { - lut = next_queue(adapter, j); - lut |= next_queue(adapter, j) << 8; - lut |= next_queue(adapter, j) << 16; - lut |= next_queue(adapter, j) << 24; + j = next_queue(adapter, j); + lut = j; + j = next_queue(adapter, j); + lut |= j << 8; + j = next_queue(adapter, j); + lut |= j << 16; + j = next_queue(adapter, j); + lut |= j << 24; wr32(hw, I40E_VFQF_HLUT(i), lut); } i40e_flush(hw); diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h index 7fbe1e925143..27130065d92a 100644 --- a/drivers/net/ethernet/intel/igb/igb.h +++ b/drivers/net/ethernet/intel/igb/igb.h @@ -241,7 +241,6 @@ struct igb_ring { struct igb_tx_buffer *tx_buffer_info; struct igb_rx_buffer *rx_buffer_info; }; - unsigned long last_rx_timestamp; void *desc; /* descriptor ring memory */ unsigned long flags; /* ring specific flags */ void __iomem *tail; /* pointer to ring tail register */ @@ -437,6 +436,7 @@ struct igb_adapter { struct hwtstamp_config tstamp_config; unsigned long ptp_tx_start; unsigned long last_rx_ptp_check; + unsigned long last_rx_timestamp; spinlock_t tmreg_lock; struct cyclecounter cc; struct timecounter tc; @@ -533,20 +533,6 @@ void igb_ptp_rx_hang(struct igb_adapter *adapter); void igb_ptp_rx_rgtstamp(struct igb_q_vector *q_vector, struct sk_buff *skb); void igb_ptp_rx_pktstamp(struct igb_q_vector *q_vector, unsigned char *va, struct sk_buff *skb); -static inline void igb_ptp_rx_hwtstamp(struct igb_ring *rx_ring, - union e1000_adv_rx_desc *rx_desc, - struct sk_buff *skb) -{ - if (igb_test_staterr(rx_desc, E1000_RXDADV_STAT_TS) && - !igb_test_staterr(rx_desc, E1000_RXDADV_STAT_TSIP)) - igb_ptp_rx_rgtstamp(rx_ring->q_vector, skb); - - /* Update the last_rx_timestamp timer in order to enable watchdog check - * for error case of latched timestamp on a dropped packet. - */ - rx_ring->last_rx_timestamp = jiffies; -} - int igb_ptp_set_ts_config(struct net_device *netdev, struct ifreq *ifr); int igb_ptp_get_ts_config(struct net_device *netdev, struct ifreq *ifr); #ifdef CONFIG_IGB_HWMON diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 30198185d19a..fb98d4602f9d 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -4605,6 +4605,7 @@ static int igb_tso(struct igb_ring *tx_ring, struct sk_buff *skb = first->skb; u32 vlan_macip_lens, type_tucmd; u32 mss_l4len_idx, l4len; + int err; if (skb->ip_summed != CHECKSUM_PARTIAL) return 0; @@ -4612,11 +4613,9 @@ static int igb_tso(struct igb_ring *tx_ring, if (!skb_is_gso(skb)) return 0; - if (skb_header_cloned(skb)) { - int err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC); - if (err) - return err; - } + err = skb_cow_head(skb, 0); + if (err < 0) + return err; /* ADV DTYP TUCMD MKRLOC/ISCSIHEDLEN */ type_tucmd = E1000_ADVTXD_TUCMD_L4T_TCP; @@ -6955,7 +6954,9 @@ static void igb_process_skb_fields(struct igb_ring *rx_ring, igb_rx_checksum(rx_ring, rx_desc, skb); - igb_ptp_rx_hwtstamp(rx_ring, rx_desc, skb); + if (igb_test_staterr(rx_desc, E1000_RXDADV_STAT_TS) && + !igb_test_staterr(rx_desc, E1000_RXDADV_STAT_TSIP)) + igb_ptp_rx_rgtstamp(rx_ring->q_vector, skb); if ((dev->features & NETIF_F_HW_VLAN_CTAG_RX) && igb_test_staterr(rx_desc, E1000_RXD_STAT_VP)) { diff --git a/drivers/net/ethernet/intel/igb/igb_ptp.c b/drivers/net/ethernet/intel/igb/igb_ptp.c index 2cca8fd5e574..9209d652e1c9 100644 --- a/drivers/net/ethernet/intel/igb/igb_ptp.c +++ b/drivers/net/ethernet/intel/igb/igb_ptp.c @@ -427,10 +427,8 @@ static void igb_ptp_overflow_check(struct work_struct *work) void igb_ptp_rx_hang(struct igb_adapter *adapter) { struct e1000_hw *hw = &adapter->hw; - struct igb_ring *rx_ring; u32 tsyncrxctl = rd32(E1000_TSYNCRXCTL); unsigned long rx_event; - int n; if (hw->mac.type != e1000_82576) return; @@ -445,11 +443,8 @@ void igb_ptp_rx_hang(struct igb_adapter *adapter) /* Determine the most recent watchdog or rx_timestamp event */ rx_event = adapter->last_rx_ptp_check; - for (n = 0; n < adapter->num_rx_queues; n++) { - rx_ring = adapter->rx_ring[n]; - if (time_after(rx_ring->last_rx_timestamp, rx_event)) - rx_event = rx_ring->last_rx_timestamp; - } + if (time_after(adapter->last_rx_timestamp, rx_event)) + rx_event = adapter->last_rx_timestamp; /* Only need to read the high RXSTMP register to clear the lock */ if (time_is_before_jiffies(rx_event + 5 * HZ)) { @@ -540,6 +535,11 @@ void igb_ptp_rx_rgtstamp(struct igb_q_vector *q_vector, regval |= (u64)rd32(E1000_RXSTMPH) << 32; igb_ptp_systim_to_hwtstamp(adapter, skb_hwtstamps(skb), regval); + + /* Update the last_rx_timestamp timer in order to enable watchdog check + * for error case of latched timestamp on a dropped packet. + */ + adapter->last_rx_timestamp = jiffies; } /** diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c index b7ab03a2f28f..d608599e123a 100644 --- a/drivers/net/ethernet/intel/igbvf/netdev.c +++ b/drivers/net/ethernet/intel/igbvf/netdev.c @@ -1910,20 +1910,18 @@ static int igbvf_tso(struct igbvf_adapter *adapter, struct sk_buff *skb, u32 tx_flags, u8 *hdr_len) { struct e1000_adv_tx_context_desc *context_desc; - unsigned int i; - int err; struct igbvf_buffer *buffer_info; u32 info = 0, tu_cmd = 0; u32 mss_l4len_idx, l4len; + unsigned int i; + int err; + *hdr_len = 0; - if (skb_header_cloned(skb)) { - err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC); - if (err) { - dev_err(&adapter->pdev->dev, - "igbvf_tso returning an error\n"); - return err; - } + err = skb_cow_head(skb, 0); + if (err < 0) { + dev_err(&adapter->pdev->dev, "igbvf_tso returning an error\n"); + return err; } l4len = tcp_hdrlen(skb); diff --git a/drivers/net/ethernet/intel/ixgb/ixgb_main.c b/drivers/net/ethernet/intel/ixgb/ixgb_main.c index f42c201f727f..60801273915c 100644 --- a/drivers/net/ethernet/intel/ixgb/ixgb_main.c +++ b/drivers/net/ethernet/intel/ixgb/ixgb_main.c @@ -1220,17 +1220,15 @@ ixgb_tso(struct ixgb_adapter *adapter, struct sk_buff *skb) unsigned int i; u8 ipcss, ipcso, tucss, tucso, hdr_len; u16 ipcse, tucse, mss; - int err; if (likely(skb_is_gso(skb))) { struct ixgb_buffer *buffer_info; struct iphdr *iph; + int err; - if (skb_header_cloned(skb)) { - err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC); - if (err) - return err; - } + err = skb_cow_head(skb, 0); + if (err < 0) + return err; hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); mss = skb_shinfo(skb)->gso_size; diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h index 55c53a1cbb62..1a12c1dd7a27 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h @@ -811,6 +811,7 @@ enum ixgbe_state_t { __IXGBE_DISABLED, __IXGBE_REMOVING, __IXGBE_SERVICE_SCHED, + __IXGBE_SERVICE_INITED, __IXGBE_IN_SFP_INIT, __IXGBE_PTP_RUNNING, __IXGBE_PTP_TX_IN_PROGRESS, diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 8436c651b735..c4c526b7f99f 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -297,7 +297,8 @@ static void ixgbe_remove_adapter(struct ixgbe_hw *hw) return; hw->hw_addr = NULL; e_dev_err("Adapter removed\n"); - ixgbe_service_event_schedule(adapter); + if (test_bit(__IXGBE_SERVICE_INITED, &adapter->state)) + ixgbe_service_event_schedule(adapter); } void ixgbe_check_remove(struct ixgbe_hw *hw, u32 reg) @@ -6509,6 +6510,7 @@ static int ixgbe_tso(struct ixgbe_ring *tx_ring, struct sk_buff *skb = first->skb; u32 vlan_macip_lens, type_tucmd; u32 mss_l4len_idx, l4len; + int err; if (skb->ip_summed != CHECKSUM_PARTIAL) return 0; @@ -6516,11 +6518,9 @@ static int ixgbe_tso(struct ixgbe_ring *tx_ring, if (!skb_is_gso(skb)) return 0; - if (skb_header_cloned(skb)) { - int err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC); - if (err) - return err; - } + err = skb_cow_head(skb, 0); + if (err < 0) + return err; /* ADV DTYP TUCMD MKRLOC/ISCSIHEDLEN */ type_tucmd = IXGBE_ADVTXD_TUCMD_L4T_TCP; @@ -7077,8 +7077,8 @@ netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb, IXGBE_TX_FLAGS_VLAN_PRIO_SHIFT; if (tx_flags & IXGBE_TX_FLAGS_SW_VLAN) { struct vlan_ethhdr *vhdr; - if (skb_header_cloned(skb) && - pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) + + if (skb_cow_head(skb, 0)) goto out_drop; vhdr = (struct vlan_ethhdr *)skb->data; vhdr->h_vlan_TCI = htons(tx_flags >> @@ -8023,6 +8023,10 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /* EEPROM */ memcpy(&hw->eeprom.ops, ii->eeprom_ops, sizeof(hw->eeprom.ops)); eec = IXGBE_READ_REG(hw, IXGBE_EEC); + if (ixgbe_removed(hw->hw_addr)) { + err = -EIO; + goto err_ioremap; + } /* If EEPROM is valid (bit 8 = 1), use default otherwise use bit bang */ if (!(eec & (1 << 8))) hw->eeprom.ops.read = &ixgbe_read_eeprom_bit_bang_generic; @@ -8185,7 +8189,12 @@ skip_sriov: setup_timer(&adapter->service_timer, &ixgbe_service_timer, (unsigned long) adapter); + if (ixgbe_removed(hw->hw_addr)) { + err = -EIO; + goto err_sw_init; + } INIT_WORK(&adapter->service_task, ixgbe_service_task); + set_bit(__IXGBE_SERVICE_INITED, &adapter->state); clear_bit(__IXGBE_SERVICE_SCHED, &adapter->state); err = ixgbe_init_interrupt_scheme(adapter); @@ -8494,6 +8503,9 @@ static pci_ers_result_t ixgbe_io_error_detected(struct pci_dev *pdev, skip_bad_vf_detection: #endif /* CONFIG_PCI_IOV */ + if (!test_bit(__IXGBE_SERVICE_INITED, &adapter->state)) + return PCI_ERS_RESULT_DISCONNECT; + rtnl_lock(); netif_device_detach(netdev); diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h b/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h index e7e7d695816b..a0a1de9ce238 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h @@ -421,6 +421,7 @@ enum ixbgevf_state_t { __IXGBEVF_DOWN, __IXGBEVF_DISABLED, __IXGBEVF_REMOVING, + __IXGBEVF_WORK_INIT, }; struct ixgbevf_cb { diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index 4ba139b2d25a..d0799e8e31e4 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -107,7 +107,8 @@ static void ixgbevf_remove_adapter(struct ixgbe_hw *hw) return; hw->hw_addr = NULL; dev_err(&adapter->pdev->dev, "Adapter removed\n"); - schedule_work(&adapter->watchdog_task); + if (test_bit(__IXGBEVF_WORK_INIT, &adapter->state)) + schedule_work(&adapter->watchdog_task); } static void ixgbevf_check_remove(struct ixgbe_hw *hw, u32 reg) @@ -2838,6 +2839,7 @@ static int ixgbevf_tso(struct ixgbevf_ring *tx_ring, struct sk_buff *skb = first->skb; u32 vlan_macip_lens, type_tucmd; u32 mss_l4len_idx, l4len; + int err; if (skb->ip_summed != CHECKSUM_PARTIAL) return 0; @@ -2845,11 +2847,9 @@ static int ixgbevf_tso(struct ixgbevf_ring *tx_ring, if (!skb_is_gso(skb)) return 0; - if (skb_header_cloned(skb)) { - int err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC); - if (err) - return err; - } + err = skb_cow_head(skb, 0); + if (err < 0) + return err; /* ADV DTYP TUCMD MKRLOC/ISCSIHEDLEN */ type_tucmd = IXGBE_ADVTXD_TUCMD_L4T_TCP; @@ -3573,8 +3573,13 @@ static int ixgbevf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) adapter->watchdog_timer.function = ixgbevf_watchdog; adapter->watchdog_timer.data = (unsigned long)adapter; + if (IXGBE_REMOVED(hw->hw_addr)) { + err = -EIO; + goto err_sw_init; + } INIT_WORK(&adapter->reset_task, ixgbevf_reset_task); INIT_WORK(&adapter->watchdog_task, ixgbevf_watchdog_task); + set_bit(__IXGBEVF_WORK_INIT, &adapter->state); err = ixgbevf_init_interrupt_scheme(adapter); if (err) @@ -3667,6 +3672,9 @@ static pci_ers_result_t ixgbevf_io_error_detected(struct pci_dev *pdev, struct net_device *netdev = pci_get_drvdata(pdev); struct ixgbevf_adapter *adapter = netdev_priv(netdev); + if (!test_bit(__IXGBEVF_WORK_INIT, &adapter->state)) + return PCI_ERS_RESULT_DISCONNECT; + rtnl_lock(); netif_device_detach(netdev); diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h index f31bb5e9d8a9..7b52a88923ef 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h @@ -23,6 +23,7 @@ #include <linux/ethtool.h> #include <linux/mii.h> #include <linux/timer.h> +#include <linux/irq.h> #include <linux/vmalloc.h> diff --git a/drivers/net/ethernet/samsung/Kconfig b/drivers/net/ethernet/samsung/Kconfig index 7902341f2623..2360d8150777 100644 --- a/drivers/net/ethernet/samsung/Kconfig +++ b/drivers/net/ethernet/samsung/Kconfig @@ -3,14 +3,30 @@ # config NET_VENDOR_SAMSUNG - bool "Samsung Ethernet device" + bool "Samsung Ethernet devices" default y ---help--- - This is the driver for the SXGBE 10G Ethernet IP block found on Samsung - platforms. + If you have a network (Ethernet) chipset belonging to this class, + say Y. + + Note that the answer to this question does not directly affect + the kernel: saying N will just case the configurator to skip all + the questions about Samsung chipsets. If you say Y, you will be asked + for your specific chipset/driver in the following questions. if NET_VENDOR_SAMSUNG -source "drivers/net/ethernet/samsung/sxgbe/Kconfig" +config SXGBE_ETH + tristate "Samsung 10G/2.5G/1G SXGBE Ethernet driver" + depends on HAS_IOMEM && HAS_DMA + select PHYLIB + select CRC32 + select PTP_1588_CLOCK + ---help--- + This is the driver for the SXGBE 10G Ethernet IP block found on + Samsung platforms. + + To compile this driver as a module, choose M here: the module + will be called samsung-sxgbe. endif # NET_VENDOR_SAMSUNG diff --git a/drivers/net/ethernet/samsung/sxgbe/Kconfig b/drivers/net/ethernet/samsung/sxgbe/Kconfig deleted file mode 100644 index d79288c51d0a..000000000000 --- a/drivers/net/ethernet/samsung/sxgbe/Kconfig +++ /dev/null @@ -1,9 +0,0 @@ -config SXGBE_ETH - tristate "Samsung 10G/2.5G/1G SXGBE Ethernet driver" - depends on HAS_IOMEM && HAS_DMA - select PHYLIB - select CRC32 - select PTP_1588_CLOCK - ---help--- - This is the driver for the SXGBE 10G Ethernet IP block found on Samsung - platforms. diff --git a/drivers/net/ethernet/samsung/sxgbe/sxgbe_dma.c b/drivers/net/ethernet/samsung/sxgbe/sxgbe_dma.c index 28f89c41d0cd..4d989ff6c978 100644 --- a/drivers/net/ethernet/samsung/sxgbe/sxgbe_dma.c +++ b/drivers/net/ethernet/samsung/sxgbe/sxgbe_dma.c @@ -9,7 +9,6 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ -#include <linux/io.h> #include <linux/delay.h> #include <linux/export.h> #include <linux/io.h> diff --git a/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c b/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c index a72688e8dc6c..27e8c824b204 100644 --- a/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c +++ b/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c @@ -2113,11 +2113,11 @@ struct sxgbe_priv_data *sxgbe_drv_probe(struct device *device, /* allocate memory resources for Descriptor rings */ ret = txring_mem_alloc(priv); if (ret) - goto error_free_netdev; + goto error_free_hw; ret = rxring_mem_alloc(priv); if (ret) - goto error_free_netdev; + goto error_free_hw; ndev->netdev_ops = &sxgbe_netdev_ops; @@ -2163,7 +2163,7 @@ struct sxgbe_priv_data *sxgbe_drv_probe(struct device *device, if (IS_ERR(priv->sxgbe_clk)) { netdev_warn(ndev, "%s: warning: cannot get CSR clock\n", __func__); - goto error_clk_get; + goto error_napi_del; } /* If a specific clk_csr value is passed from the platform @@ -2182,24 +2182,27 @@ struct sxgbe_priv_data *sxgbe_drv_probe(struct device *device, if (ret < 0) { netdev_dbg(ndev, "%s: MDIO bus (id: %d) registration failed\n", __func__, priv->plat->bus_id); - goto error_mdio_register; + goto error_clk_put; } ret = register_netdev(ndev); if (ret) { pr_err("%s: ERROR %i registering the device\n", __func__, ret); - goto error_netdev_register; + goto error_mdio_unregister; } sxgbe_check_ether_addr(priv); return priv; -error_mdio_register: +error_mdio_unregister: + sxgbe_mdio_unregister(ndev); +error_clk_put: clk_put(priv->sxgbe_clk); -error_clk_get: -error_netdev_register: +error_napi_del: netif_napi_del(&priv->napi); +error_free_hw: + kfree(priv->hw); error_free_netdev: free_netdev(ndev); @@ -2224,11 +2227,15 @@ int sxgbe_drv_remove(struct net_device *ndev) priv->hw->mac->enable_tx(priv->ioaddr, false); priv->hw->mac->enable_rx(priv->ioaddr, false); - netif_napi_del(&priv->napi); + unregister_netdev(ndev); sxgbe_mdio_unregister(ndev); - unregister_netdev(ndev); + clk_put(priv->sxgbe_clk); + + netif_napi_del(&priv->napi); + + kfree(priv->hw); free_netdev(ndev); diff --git a/drivers/net/ethernet/smsc/smc911x.c b/drivers/net/ethernet/smsc/smc911x.c index 66b05e62f70a..1c44e67c3067 100644 --- a/drivers/net/ethernet/smsc/smc911x.c +++ b/drivers/net/ethernet/smsc/smc911x.c @@ -1211,7 +1211,6 @@ static void smc911x_rx_dma_irq(int dma, void *data) { struct net_device *dev = (struct net_device *)data; - unsigned long ioaddr = dev->base_addr; struct smc911x_local *lp = netdev_priv(dev); struct sk_buff *skb = lp->current_rx_skb; unsigned long flags; diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 5d5fec6c4eb0..36aa109416c4 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -687,7 +687,7 @@ static void cpsw_rx_handler(void *token, int len, int status) cpsw_dual_emac_src_port_detect(status, priv, ndev, skb); - if (unlikely(status < 0)) { + if (unlikely(status < 0) || unlikely(!netif_running(ndev))) { /* the interface is going down, skbs are purged */ dev_kfree_skb_any(skb); return; @@ -1201,8 +1201,7 @@ static int cpsw_ndo_open(struct net_device *ndev) for_each_slave(priv, cpsw_slave_open, priv); /* Add default VLAN */ - if (!priv->data.dual_emac) - cpsw_add_default_vlan(priv); + cpsw_add_default_vlan(priv); if (!cpsw_common_res_usage_state(priv)) { /* setup tx dma to fixed prio and zero offset */ @@ -1253,6 +1252,12 @@ static int cpsw_ndo_open(struct net_device *ndev) cpsw_set_coalesce(ndev, &coal); } + napi_enable(&priv->napi); + cpdma_ctlr_start(priv->dma); + cpsw_intr_enable(priv); + cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_RX); + cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_TX); + prim_cpsw = cpsw_get_slave_priv(priv, 0); if (prim_cpsw->irq_enabled == false) { if ((priv == prim_cpsw) || !netif_running(prim_cpsw->ndev)) { @@ -1261,12 +1266,6 @@ static int cpsw_ndo_open(struct net_device *ndev) } } - napi_enable(&priv->napi); - cpdma_ctlr_start(priv->dma); - cpsw_intr_enable(priv); - cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_RX); - cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_TX); - if (priv->data.dual_emac) priv->slaves[priv->emac_port].open_stat = true; return 0; diff --git a/drivers/net/ethernet/ti/cpts.c b/drivers/net/ethernet/ti/cpts.c index a3bbf59eaafd..243513980b51 100644 --- a/drivers/net/ethernet/ti/cpts.c +++ b/drivers/net/ethernet/ti/cpts.c @@ -26,6 +26,8 @@ #include <linux/time.h> #include <linux/uaccess.h> #include <linux/workqueue.h> +#include <linux/if_ether.h> +#include <linux/if_vlan.h> #include "cpts.h" diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h index 13010b4dae5b..d18f711d0b0c 100644 --- a/drivers/net/hyperv/hyperv_net.h +++ b/drivers/net/hyperv/hyperv_net.h @@ -747,6 +747,7 @@ struct ndis_oject_header { #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV4 0 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6 1 +#define VERSION_4_OFFLOAD_SIZE 22 /* * New offload OIDs for NDIS 6 */ diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c index daddea2654ce..f7629ecefa84 100644 --- a/drivers/net/hyperv/netvsc.c +++ b/drivers/net/hyperv/netvsc.c @@ -344,7 +344,7 @@ static int netvsc_connect_vsp(struct hv_device *device) memset(init_packet, 0, sizeof(struct nvsp_message)); if (net_device->nvsp_version <= NVSP_PROTOCOL_VERSION_4) - ndis_version = 0x00050001; + ndis_version = 0x00060001; else ndis_version = 0x0006001e; diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 4e4cf9e0c8d7..31e55fba7cad 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -319,7 +319,9 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net) packet = kzalloc(sizeof(struct hv_netvsc_packet) + (num_data_pgs * sizeof(struct hv_page_buffer)) + sizeof(struct rndis_message) + - NDIS_VLAN_PPI_SIZE, GFP_ATOMIC); + NDIS_VLAN_PPI_SIZE + + NDIS_CSUM_PPI_SIZE + + NDIS_LSO_PPI_SIZE, GFP_ATOMIC); if (!packet) { /* out of memory, drop packet */ netdev_err(net, "unable to allocate hv_netvsc_packet\n"); @@ -396,7 +398,30 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net) csum_info->transmit.tcp_checksum = 1; csum_info->transmit.tcp_header_offset = hdr_offset; } else if (net_trans_info & INFO_UDP) { - csum_info->transmit.udp_checksum = 1; + /* UDP checksum offload is not supported on ws2008r2. + * Furthermore, on ws2012 and ws2012r2, there are some + * issues with udp checksum offload from Linux guests. + * (these are host issues). + * For now compute the checksum here. + */ + struct udphdr *uh; + u16 udp_len; + + ret = skb_cow_head(skb, 0); + if (ret) + goto drop; + + uh = udp_hdr(skb); + udp_len = ntohs(uh->len); + uh->check = 0; + uh->check = csum_tcpudp_magic(ip_hdr(skb)->saddr, + ip_hdr(skb)->daddr, + udp_len, IPPROTO_UDP, + csum_partial(uh, udp_len, 0)); + if (uh->check == 0) + uh->check = CSUM_MANGLED_0; + + csum_info->transmit.udp_checksum = 0; } goto do_send; @@ -436,6 +461,7 @@ do_send: ret = netvsc_send(net_device_ctx->device_ctx, packet); +drop: if (ret == 0) { net->stats.tx_bytes += skb->len; net->stats.tx_packets++; diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c index 4a37e3db9e32..143a98caf618 100644 --- a/drivers/net/hyperv/rndis_filter.c +++ b/drivers/net/hyperv/rndis_filter.c @@ -641,6 +641,16 @@ int rndis_filter_set_offload_params(struct hv_device *hdev, struct rndis_set_complete *set_complete; u32 extlen = sizeof(struct ndis_offload_params); int ret, t; + u32 vsp_version = nvdev->nvsp_version; + + if (vsp_version <= NVSP_PROTOCOL_VERSION_4) { + extlen = VERSION_4_OFFLOAD_SIZE; + /* On NVSP_PROTOCOL_VERSION_4 and below, we do not support + * UDP checksum offload. + */ + req_offloads->udp_ip_v4_csum = 0; + req_offloads->udp_ip_v6_csum = 0; + } request = get_rndis_request(rdev, RNDIS_MSG_SET, RNDIS_MESSAGE_SIZE(struct rndis_set_request) + extlen); @@ -674,7 +684,7 @@ int rndis_filter_set_offload_params(struct hv_device *hdev, } else { set_complete = &request->response_msg.msg.set_complete; if (set_complete->status != RNDIS_STATUS_SUCCESS) { - netdev_err(ndev, "Fail to set MAC on host side:0x%x\n", + netdev_err(ndev, "Fail to set offload on host side:0x%x\n", set_complete->status); ret = -EINVAL; } diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c index 89417ac41083..430bb0db9bc4 100644 --- a/drivers/net/ieee802154/at86rf230.c +++ b/drivers/net/ieee802154/at86rf230.c @@ -852,7 +852,7 @@ at86rf212_set_csma_params(struct ieee802154_dev *dev, u8 min_be, u8 max_be, if (rc) return rc; - return at86rf230_write_subreg(lp, SR_MAX_CSMA_RETRIES, max_be); + return at86rf230_write_subreg(lp, SR_MAX_CSMA_RETRIES, retries); } static int diff --git a/drivers/net/ntb_netdev.c b/drivers/net/ntb_netdev.c index f3cdf64997d6..63aa9d9e34c5 100644 --- a/drivers/net/ntb_netdev.c +++ b/drivers/net/ntb_netdev.c @@ -78,11 +78,19 @@ static void ntb_netdev_event_handler(void *data, int status) netdev_dbg(ndev, "Event %x, Link %x\n", status, ntb_transport_link_query(dev->qp)); - /* Currently, only link status event is supported */ - if (status) - netif_carrier_on(ndev); - else + switch (status) { + case NTB_LINK_DOWN: netif_carrier_off(ndev); + break; + case NTB_LINK_UP: + if (!ntb_transport_link_query(dev->qp)) + return; + + netif_carrier_on(ndev); + break; + default: + netdev_warn(ndev, "Unsupported event type %d\n", status); + } } static void ntb_netdev_rx_handler(struct ntb_transport_qp *qp, void *qp_data, @@ -182,8 +190,10 @@ static int ntb_netdev_open(struct net_device *ndev) rc = ntb_transport_rx_enqueue(dev->qp, skb, skb->data, ndev->mtu + ETH_HLEN); - if (rc == -EINVAL) + if (rc == -EINVAL) { + dev_kfree_skb(skb); goto err; + } } netif_carrier_off(ndev); @@ -367,12 +377,15 @@ static void ntb_netdev_remove(struct pci_dev *pdev) { struct net_device *ndev; struct ntb_netdev *dev; + bool found = false; list_for_each_entry(dev, &dev_list, list) { - if (dev->pdev == pdev) + if (dev->pdev == pdev) { + found = true; break; + } } - if (dev == NULL) + if (!found) return; list_del(&dev->list); diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 1d788f19135b..1b6d09aef427 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -756,12 +756,8 @@ void phy_state_machine(struct work_struct *work) netif_carrier_on(phydev->attached_dev); phydev->adjust_link(phydev->attached_dev); - } else if (0 == phydev->link_timeout--) { + } else if (0 == phydev->link_timeout--) needs_aneg = 1; - /* If we have the magic_aneg bit, we try again */ - if (phydev->drv->flags & PHY_HAS_MAGICANEG) - break; - } break; case PHY_NOLINK: err = phy_read_status(phydev); diff --git a/drivers/net/phy/spi_ks8995.c b/drivers/net/phy/spi_ks8995.c index 4cf5fb922e59..22b047f1fcdc 100644 --- a/drivers/net/phy/spi_ks8995.c +++ b/drivers/net/phy/spi_ks8995.c @@ -1,5 +1,5 @@ /* - * SPI driver for Micrel/Kendin KS8995M ethernet switch + * SPI driver for Micrel/Kendin KS8995M and KSZ8864RMN ethernet switches * * Copyright (C) 2008 Gabor Juhos <juhosg at openwrt.org> * @@ -70,7 +70,10 @@ #define KS8995_REG_IAD1 0x76 /* Indirect Access Data 1 */ #define KS8995_REG_IAD0 0x77 /* Indirect Access Data 0 */ +#define KSZ8864_REG_ID1 0xfe /* Chip ID in bit 7 */ + #define KS8995_REGS_SIZE 0x80 +#define KSZ8864_REGS_SIZE 0x100 #define ID1_CHIPID_M 0xf #define ID1_CHIPID_S 4 @@ -94,6 +97,7 @@ struct ks8995_switch { struct spi_device *spi; struct mutex lock; struct ks8995_pdata *pdata; + struct bin_attribute regs_attr; }; static inline u8 get_chip_id(u8 val) @@ -216,11 +220,11 @@ static ssize_t ks8995_registers_read(struct file *filp, struct kobject *kobj, dev = container_of(kobj, struct device, kobj); ks8995 = dev_get_drvdata(dev); - if (unlikely(off > KS8995_REGS_SIZE)) + if (unlikely(off > ks8995->regs_attr.size)) return 0; - if ((off + count) > KS8995_REGS_SIZE) - count = KS8995_REGS_SIZE - off; + if ((off + count) > ks8995->regs_attr.size) + count = ks8995->regs_attr.size - off; if (unlikely(!count)) return count; @@ -238,11 +242,11 @@ static ssize_t ks8995_registers_write(struct file *filp, struct kobject *kobj, dev = container_of(kobj, struct device, kobj); ks8995 = dev_get_drvdata(dev); - if (unlikely(off >= KS8995_REGS_SIZE)) + if (unlikely(off >= ks8995->regs_attr.size)) return -EFBIG; - if ((off + count) > KS8995_REGS_SIZE) - count = KS8995_REGS_SIZE - off; + if ((off + count) > ks8995->regs_attr.size) + count = ks8995->regs_attr.size - off; if (unlikely(!count)) return count; @@ -251,7 +255,7 @@ static ssize_t ks8995_registers_write(struct file *filp, struct kobject *kobj, } -static struct bin_attribute ks8995_registers_attr = { +static const struct bin_attribute ks8995_registers_attr = { .attr = { .name = "registers", .mode = S_IRUSR | S_IWUSR, @@ -306,20 +310,44 @@ static int ks8995_probe(struct spi_device *spi) goto err_drvdata; } + memcpy(&ks->regs_attr, &ks8995_registers_attr, sizeof(ks->regs_attr)); + if (get_chip_id(ids[1]) != CHIPID_M) { + u8 val; + + /* Check if this is a KSZ8864RMN */ + err = ks8995_read(ks, &val, KSZ8864_REG_ID1, sizeof(val)); + if (err < 0) { + dev_err(&spi->dev, + "unable to read chip id register, err=%d\n", + err); + goto err_drvdata; + } + if ((val & 0x80) == 0) { + dev_err(&spi->dev, "unknown chip:%02x,0\n", ids[1]); + goto err_drvdata; + } + ks->regs_attr.size = KSZ8864_REGS_SIZE; + } + err = ks8995_reset(ks); if (err) goto err_drvdata; - err = sysfs_create_bin_file(&spi->dev.kobj, &ks8995_registers_attr); + err = sysfs_create_bin_file(&spi->dev.kobj, &ks->regs_attr); if (err) { dev_err(&spi->dev, "unable to create sysfs file, err=%d\n", err); goto err_drvdata; } - dev_info(&spi->dev, "KS89%02X device found, Chip ID:%01x, " - "Revision:%01x\n", ids[0], - get_chip_id(ids[1]), get_chip_rev(ids[1])); + if (get_chip_id(ids[1]) == CHIPID_M) { + dev_info(&spi->dev, + "KS8995 device found, Chip ID:%x, Revision:%x\n", + get_chip_id(ids[1]), get_chip_rev(ids[1])); + } else { + dev_info(&spi->dev, "KSZ8864 device found, Revision:%x\n", + get_chip_rev(ids[1])); + } return 0; diff --git a/drivers/net/rionet.c b/drivers/net/rionet.c index 6d1f6ed3113f..a8497183ff8b 100644 --- a/drivers/net/rionet.c +++ b/drivers/net/rionet.c @@ -493,6 +493,7 @@ static int rionet_setup_netdev(struct rio_mport *mport, struct net_device *ndev) ndev->netdev_ops = &rionet_netdev_ops; ndev->mtu = RIO_MAX_MSG_SIZE - 14; ndev->features = NETIF_F_LLTX; + SET_NETDEV_DEV(ndev, &mport->dev); SET_ETHTOOL_OPS(ndev, &rionet_ethtool_ops); spin_lock_init(&rnet->lock); diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 18e12a3f7fc3..3fbfb0869030 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -929,6 +929,9 @@ static int read_mii_word(struct net_device *netdev, int phy_id, int reg) struct r8152 *tp = netdev_priv(netdev); int ret; + if (test_bit(RTL8152_UNPLUG, &tp->flags)) + return -ENODEV; + if (phy_id != R8152_PHY_ID) return -EINVAL; @@ -949,6 +952,9 @@ void write_mii_word(struct net_device *netdev, int phy_id, int reg, int val) { struct r8152 *tp = netdev_priv(netdev); + if (test_bit(RTL8152_UNPLUG, &tp->flags)) + return; + if (phy_id != R8152_PHY_ID) return; @@ -1962,6 +1968,9 @@ static int rtl_enable(struct r8152 *tp) static int rtl8152_enable(struct r8152 *tp) { + if (test_bit(RTL8152_UNPLUG, &tp->flags)) + return -ENODEV; + set_tx_qlen(tp); rtl_set_eee_plus(tp); @@ -1994,6 +2003,9 @@ static void r8153_set_rx_agg(struct r8152 *tp) static int rtl8153_enable(struct r8152 *tp) { + if (test_bit(RTL8152_UNPLUG, &tp->flags)) + return -ENODEV; + set_tx_qlen(tp); rtl_set_eee_plus(tp); r8153_set_rx_agg(tp); @@ -2006,6 +2018,11 @@ static void rtl8152_disable(struct r8152 *tp) u32 ocp_data; int i; + if (test_bit(RTL8152_UNPLUG, &tp->flags)) { + rtl_drop_queued_tx(tp); + return; + } + ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); ocp_data &= ~RCR_ACPT_ALL; ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); @@ -2232,6 +2249,9 @@ static void r8152b_exit_oob(struct r8152 *tp) u32 ocp_data; int i; + if (test_bit(RTL8152_UNPLUG, &tp->flags)) + return; + ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); ocp_data &= ~RCR_ACPT_ALL; ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); @@ -2460,6 +2480,9 @@ static void r8153_first_init(struct r8152 *tp) u32 ocp_data; int i; + if (test_bit(RTL8152_UNPLUG, &tp->flags)) + return; + rxdy_gated_en(tp, true); r8153_teredo_off(tp); @@ -2687,6 +2710,11 @@ out: static void rtl8152_down(struct r8152 *tp) { + if (test_bit(RTL8152_UNPLUG, &tp->flags)) { + rtl_drop_queued_tx(tp); + return; + } + r8152_power_cut_en(tp, false); r8152b_disable_aldps(tp); r8152b_enter_oob(tp); @@ -2695,6 +2723,11 @@ static void rtl8152_down(struct r8152 *tp) static void rtl8153_down(struct r8152 *tp) { + if (test_bit(RTL8152_UNPLUG, &tp->flags)) { + rtl_drop_queued_tx(tp); + return; + } + r8153_u1u2en(tp, false); r8153_power_cut_en(tp, false); r8153_disable_aldps(tp); @@ -2904,6 +2937,9 @@ static void r8152b_init(struct r8152 *tp) { u32 ocp_data; + if (test_bit(RTL8152_UNPLUG, &tp->flags)) + return; + if (tp->version == RTL_VER_01) { ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE); ocp_data &= ~LED_MODE_MASK; @@ -2939,6 +2975,9 @@ static void r8153_init(struct r8152 *tp) u32 ocp_data; int i; + if (test_bit(RTL8152_UNPLUG, &tp->flags)) + return; + r8153_u1u2en(tp, false); for (i = 0; i < 500; i++) { @@ -3213,6 +3252,9 @@ static int rtl8152_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd) struct mii_ioctl_data *data = if_mii(rq); int res; + if (test_bit(RTL8152_UNPLUG, &tp->flags)) + return -ENODEV; + res = usb_autopm_get_interface(tp->intf); if (res < 0) goto out; @@ -3293,12 +3335,18 @@ static void r8152b_get_version(struct r8152 *tp) static void rtl8152_unload(struct r8152 *tp) { + if (test_bit(RTL8152_UNPLUG, &tp->flags)) + return; + if (tp->version != RTL_VER_01) r8152_power_cut_en(tp, true); } static void rtl8153_unload(struct r8152 *tp) { + if (test_bit(RTL8152_UNPLUG, &tp->flags)) + return; + r8153_power_cut_en(tp, true); } diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 0d862a5077ab..c55e316373a1 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -871,6 +871,9 @@ static int vxlan_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], if (err) return err; + if (vxlan->default_dst.remote_ip.sa.sa_family != ip.sa.sa_family) + return -EAFNOSUPPORT; + spin_lock_bh(&vxlan->hash_lock); err = vxlan_fdb_create(vxlan, addr, &ip, ndm->ndm_state, flags, port, vni, ifindex, ndm->ndm_flags); @@ -2601,9 +2604,10 @@ static int vxlan_newlink(struct net *net, struct net_device *dev, vni = nla_get_u32(data[IFLA_VXLAN_ID]); dst->remote_vni = vni; + /* Unless IPv6 is explicitly requested, assume IPv4 */ + dst->remote_ip.sa.sa_family = AF_INET; if (data[IFLA_VXLAN_GROUP]) { dst->remote_ip.sin.sin_addr.s_addr = nla_get_be32(data[IFLA_VXLAN_GROUP]); - dst->remote_ip.sa.sa_family = AF_INET; } else if (data[IFLA_VXLAN_GROUP6]) { if (!IS_ENABLED(CONFIG_IPV6)) return -EPFNOSUPPORT; diff --git a/drivers/net/wireless/ath/ath9k/ar5008_phy.c b/drivers/net/wireless/ath/ath9k/ar5008_phy.c index 3b3e91057a4c..00fb8badbacc 100644 --- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c @@ -1004,11 +1004,9 @@ static bool ar5008_hw_ani_control_new(struct ath_hw *ah, case ATH9K_ANI_FIRSTEP_LEVEL:{ u32 level = param; - value = level * 2; + value = level; REG_RMW_FIELD(ah, AR_PHY_FIND_SIG, AR_PHY_FIND_SIG_FIRSTEP, value); - REG_RMW_FIELD(ah, AR_PHY_FIND_SIG_LOW, - AR_PHY_FIND_SIG_FIRSTEP_LOW, value); if (level != aniState->firstepLevel) { ath_dbg(common, ANI, diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c index 471e0f624e81..bd9e634879e6 100644 --- a/drivers/net/wireless/ath/ath9k/beacon.c +++ b/drivers/net/wireless/ath/ath9k/beacon.c @@ -312,10 +312,9 @@ static void ath9k_csa_update_vif(void *data, u8 *mac, struct ieee80211_vif *vif) void ath9k_csa_update(struct ath_softc *sc) { - ieee80211_iterate_active_interfaces(sc->hw, - IEEE80211_IFACE_ITER_NORMAL, - ath9k_csa_update_vif, - sc); + ieee80211_iterate_active_interfaces_atomic(sc->hw, + IEEE80211_IFACE_ITER_NORMAL, + ath9k_csa_update_vif, sc); } void ath9k_beacon_tasklet(unsigned long data) diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c index e8149e3dbdd5..289f3d8924b5 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c @@ -471,8 +471,11 @@ static void ath9k_htc_tx_process(struct ath9k_htc_priv *priv, if (!txok || !vif || !txs) goto send_mac80211; - if (txs->ts_flags & ATH9K_HTC_TXSTAT_ACK) + if (txs->ts_flags & ATH9K_HTC_TXSTAT_ACK) { tx_info->flags |= IEEE80211_TX_STAT_ACK; + if (tx_info->flags & IEEE80211_TX_CTL_AMPDU) + tx_info->flags |= IEEE80211_TX_STAT_AMPDU; + } if (txs->ts_flags & ATH9K_HTC_TXSTAT_FILT) tx_info->flags |= IEEE80211_TX_STAT_TX_FILTERED; diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c index c0a4e866edca..cbbb02a6b13b 100644 --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -670,6 +670,7 @@ static const struct ieee80211_iface_combination if_comb[] = { .num_different_channels = 1, .beacon_int_infra_match = true, }, +#ifdef CONFIG_ATH9K_DFS_CERTIFIED { .limits = if_dfs_limits, .n_limits = ARRAY_SIZE(if_dfs_limits), @@ -679,6 +680,7 @@ static const struct ieee80211_iface_combination if_comb[] = { .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | BIT(NL80211_CHAN_WIDTH_20), } +#endif }; static void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw) diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c index 05ee7f10cc8f..24ccbe96e0c8 100644 --- a/drivers/net/wireless/b43/phy_n.c +++ b/drivers/net/wireless/b43/phy_n.c @@ -5176,22 +5176,22 @@ static void b43_nphy_channel_setup(struct b43_wldev *dev, int ch = new_channel->hw_value; u16 old_band_5ghz; - u32 tmp32; + u16 tmp16; old_band_5ghz = b43_phy_read(dev, B43_NPHY_BANDCTL) & B43_NPHY_BANDCTL_5GHZ; if (new_channel->band == IEEE80211_BAND_5GHZ && !old_band_5ghz) { - tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR); - b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4); + tmp16 = b43_read16(dev, B43_MMIO_PSM_PHY_HDR); + b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16 | 4); b43_phy_set(dev, B43_PHY_B_BBCFG, 0xC000); - b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32); + b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16); b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ); } else if (new_channel->band == IEEE80211_BAND_2GHZ && old_band_5ghz) { b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ); - tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR); - b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4); + tmp16 = b43_read16(dev, B43_MMIO_PSM_PHY_HDR); + b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16 | 4); b43_phy_mask(dev, B43_PHY_B_BBCFG, 0x3FFF); - b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32); + b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16); } b43_chantab_phy_upload(dev, e); diff --git a/drivers/net/wireless/rsi/rsi_91x_core.c b/drivers/net/wireless/rsi/rsi_91x_core.c index e89535e86caf..1a8d32138593 100644 --- a/drivers/net/wireless/rsi/rsi_91x_core.c +++ b/drivers/net/wireless/rsi/rsi_91x_core.c @@ -102,10 +102,10 @@ static u8 rsi_core_determine_hal_queue(struct rsi_common *common) } get_queue_num: - q_num = 0; recontend_queue = false; q_num = rsi_determine_min_weight_queue(common); + q_len = skb_queue_len(&common->tx_queue[ii]); ii = q_num; @@ -118,7 +118,9 @@ get_queue_num: } } - common->tx_qinfo[q_num].pkt_contended = 0; + if (q_num < NUM_EDCA_QUEUES) + common->tx_qinfo[q_num].pkt_contended = 0; + /* Adjust the back off values for all queues again */ recontend_queue = rsi_recalculate_weights(common); diff --git a/drivers/net/wireless/rsi/rsi_91x_debugfs.c b/drivers/net/wireless/rsi/rsi_91x_debugfs.c index 7e4ef4554411..c466246a323f 100644 --- a/drivers/net/wireless/rsi/rsi_91x_debugfs.c +++ b/drivers/net/wireless/rsi/rsi_91x_debugfs.c @@ -289,32 +289,29 @@ int rsi_init_dbgfs(struct rsi_hw *adapter) const struct rsi_dbg_files *files; dev_dbgfs = kzalloc(sizeof(*dev_dbgfs), GFP_KERNEL); + if (!dev_dbgfs) + return -ENOMEM; + adapter->dfsentry = dev_dbgfs; snprintf(devdir, sizeof(devdir), "%s", wiphy_name(adapter->hw->wiphy)); - dev_dbgfs->subdir = debugfs_create_dir(devdir, NULL); - if (IS_ERR(dev_dbgfs->subdir)) { - if (dev_dbgfs->subdir == ERR_PTR(-ENODEV)) - rsi_dbg(ERR_ZONE, - "%s:Debugfs has not been mounted\n", __func__); - else - rsi_dbg(ERR_ZONE, "debugfs:%s not created\n", devdir); + dev_dbgfs->subdir = debugfs_create_dir(devdir, NULL); - adapter->dfsentry = NULL; + if (!dev_dbgfs->subdir) { kfree(dev_dbgfs); - return (int)PTR_ERR(dev_dbgfs->subdir); - } else { - for (ii = 0; ii < adapter->num_debugfs_entries; ii++) { - files = &dev_debugfs_files[ii]; - dev_dbgfs->rsi_files[ii] = - debugfs_create_file(files->name, - files->perms, - dev_dbgfs->subdir, - common, - &files->fops); - } + return -ENOMEM; + } + + for (ii = 0; ii < adapter->num_debugfs_entries; ii++) { + files = &dev_debugfs_files[ii]; + dev_dbgfs->rsi_files[ii] = + debugfs_create_file(files->name, + files->perms, + dev_dbgfs->subdir, + common, + &files->fops); } return 0; } diff --git a/drivers/net/wireless/rsi/rsi_91x_mgmt.c b/drivers/net/wireless/rsi/rsi_91x_mgmt.c index 2361a6849ad7..73694295648f 100644 --- a/drivers/net/wireless/rsi/rsi_91x_mgmt.c +++ b/drivers/net/wireless/rsi/rsi_91x_mgmt.c @@ -738,7 +738,7 @@ int rsi_hal_load_key(struct rsi_common *common, * * Return: 0 on success, corresponding error code on failure. */ -static u8 rsi_load_bootup_params(struct rsi_common *common) +static int rsi_load_bootup_params(struct rsi_common *common) { struct sk_buff *skb; struct rsi_boot_params *boot_params; @@ -1272,6 +1272,7 @@ int rsi_mgmt_pkt_recv(struct rsi_common *common, u8 *msg) { s32 msg_len = (le16_to_cpu(*(__le16 *)&msg[0]) & 0x0fff); u16 msg_type = (msg[2]); + int ret; rsi_dbg(FSM_ZONE, "%s: Msg Len: %d, Msg Type: %4x\n", __func__, msg_len, msg_type); @@ -1284,8 +1285,9 @@ int rsi_mgmt_pkt_recv(struct rsi_common *common, u8 *msg) if (common->fsm_state == FSM_CARD_NOT_READY) { rsi_set_default_parameters(common); - if (rsi_load_bootup_params(common)) - return -ENOMEM; + ret = rsi_load_bootup_params(common); + if (ret) + return ret; else common->fsm_state = FSM_BOOT_PARAMS_SENT; } else { diff --git a/drivers/net/wireless/rsi/rsi_91x_sdio.c b/drivers/net/wireless/rsi/rsi_91x_sdio.c index 852453f386e2..2e39d38d6a9e 100644 --- a/drivers/net/wireless/rsi/rsi_91x_sdio.c +++ b/drivers/net/wireless/rsi/rsi_91x_sdio.c @@ -756,12 +756,13 @@ fail: static void rsi_disconnect(struct sdio_func *pfunction) { struct rsi_hw *adapter = sdio_get_drvdata(pfunction); - struct rsi_91x_sdiodev *dev = - (struct rsi_91x_sdiodev *)adapter->rsi_dev; + struct rsi_91x_sdiodev *dev; if (!adapter) return; + dev = (struct rsi_91x_sdiodev *)adapter->rsi_dev; + dev->write_fail = 2; rsi_mac80211_detach(adapter); diff --git a/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c b/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c index f1cb99cafed8..20d11ccfffe3 100644 --- a/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c +++ b/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c @@ -247,7 +247,7 @@ static int rsi_process_pkt(struct rsi_common *common) if (!common->rx_data_pkt) { rsi_dbg(ERR_ZONE, "%s: Failed in memory allocation\n", __func__); - return -1; + return -ENOMEM; } status = rsi_sdio_host_intf_read_pkt(adapter, @@ -260,12 +260,10 @@ static int rsi_process_pkt(struct rsi_common *common) } status = rsi_read_pkt(common, rcv_pkt_len); - kfree(common->rx_data_pkt); - return status; fail: kfree(common->rx_data_pkt); - return -1; + return status; } /** diff --git a/drivers/net/wireless/rsi/rsi_91x_usb.c b/drivers/net/wireless/rsi/rsi_91x_usb.c index bb1bf96670eb..4c46e5631e2f 100644 --- a/drivers/net/wireless/rsi/rsi_91x_usb.c +++ b/drivers/net/wireless/rsi/rsi_91x_usb.c @@ -154,24 +154,30 @@ static int rsi_usb_reg_read(struct usb_device *usbdev, u16 *value, u16 len) { - u8 temp_buf[4]; - int status = 0; + u8 *buf; + int status = -ENOMEM; + + buf = kmalloc(0x04, GFP_KERNEL); + if (!buf) + return status; status = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), USB_VENDOR_REGISTER_READ, USB_TYPE_VENDOR, ((reg & 0xffff0000) >> 16), (reg & 0xffff), - (void *)temp_buf, + (void *)buf, len, HZ * 5); - *value = (temp_buf[0] | (temp_buf[1] << 8)); + *value = (buf[0] | (buf[1] << 8)); if (status < 0) { rsi_dbg(ERR_ZONE, "%s: Reg read failed with error code :%d\n", __func__, status); } + kfree(buf); + return status; } @@ -190,8 +196,12 @@ static int rsi_usb_reg_write(struct usb_device *usbdev, u16 value, u16 len) { - u8 usb_reg_buf[4]; - int status = 0; + u8 *usb_reg_buf; + int status = -ENOMEM; + + usb_reg_buf = kmalloc(0x04, GFP_KERNEL); + if (!usb_reg_buf) + return status; usb_reg_buf[0] = (value & 0x00ff); usb_reg_buf[1] = (value & 0xff00) >> 8; @@ -212,6 +222,8 @@ static int rsi_usb_reg_write(struct usb_device *usbdev, "%s: Reg write failed with error code :%d\n", __func__, status); } + kfree(usb_reg_buf); + return status; } @@ -286,7 +298,7 @@ int rsi_usb_write_register_multiple(struct rsi_hw *adapter, return -ENOMEM; while (count) { - transfer = min_t(int, count, 4096); + transfer = (u8)(min_t(u32, count, 4096)); memcpy(buf, data, transfer); status = usb_control_msg(dev->usbdev, usb_sndctrlpipe(dev->usbdev, 0), diff --git a/drivers/net/wireless/rtlwifi/btcoexist/halbtcoutsrc.c b/drivers/net/wireless/rtlwifi/btcoexist/halbtcoutsrc.c index b6722de64a31..33da3dfcfa4f 100644 --- a/drivers/net/wireless/rtlwifi/btcoexist/halbtcoutsrc.c +++ b/drivers/net/wireless/rtlwifi/btcoexist/halbtcoutsrc.c @@ -625,17 +625,7 @@ bool exhalbtc_initlize_variables(struct rtl_priv *adapter) else btcoexist->binded = true; -#if (defined(CONFIG_PCI_HCI)) - btcoexist->chip_interface = BTC_INTF_PCI; -#elif (defined(CONFIG_USB_HCI)) - btcoexist->chip_interface = BTC_INTF_USB; -#elif (defined(CONFIG_SDIO_HCI)) - btcoexist->chip_interface = BTC_INTF_SDIO; -#elif (defined(CONFIG_GSPI_HCI)) - btcoexist->chip_interface = BTC_INTF_GSPI; -#else btcoexist->chip_interface = BTC_INTF_UNKNOWN; -#endif if (NULL == btcoexist->adapter) btcoexist->adapter = adapter; diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h index 89d1d0556b6e..630a3fcf65bc 100644 --- a/drivers/net/xen-netback/common.h +++ b/drivers/net/xen-netback/common.h @@ -124,6 +124,7 @@ struct xenvif { struct pending_tx_info pending_tx_info[MAX_PENDING_REQS]; grant_handle_t grant_tx_handle[MAX_PENDING_REQS]; + struct gnttab_copy tx_copy_ops[MAX_PENDING_REQS]; struct gnttab_map_grant_ref tx_map_ops[MAX_PENDING_REQS]; struct gnttab_unmap_grant_ref tx_unmap_ops[MAX_PENDING_REQS]; /* passed to gnttab_[un]map_refs with pages under (un)mapping */ diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index 3f021e054ba1..76665405c5aa 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -820,13 +820,13 @@ struct xenvif_tx_cb { #define XENVIF_TX_CB(skb) ((struct xenvif_tx_cb *)(skb)->cb) -static inline void xenvif_tx_create_gop(struct xenvif *vif, - u16 pending_idx, - struct xen_netif_tx_request *txp, - struct gnttab_map_grant_ref *gop) +static inline void xenvif_tx_create_map_op(struct xenvif *vif, + u16 pending_idx, + struct xen_netif_tx_request *txp, + struct gnttab_map_grant_ref *mop) { - vif->pages_to_map[gop-vif->tx_map_ops] = vif->mmap_pages[pending_idx]; - gnttab_set_map_op(gop, idx_to_kaddr(vif, pending_idx), + vif->pages_to_map[mop-vif->tx_map_ops] = vif->mmap_pages[pending_idx]; + gnttab_set_map_op(mop, idx_to_kaddr(vif, pending_idx), GNTMAP_host_map | GNTMAP_readonly, txp->gref, vif->domid); @@ -880,7 +880,7 @@ static struct gnttab_map_grant_ref *xenvif_get_requests(struct xenvif *vif, shinfo->nr_frags++, txp++, gop++) { index = pending_index(vif->pending_cons++); pending_idx = vif->pending_ring[index]; - xenvif_tx_create_gop(vif, pending_idx, txp, gop); + xenvif_tx_create_map_op(vif, pending_idx, txp, gop); frag_set_pending_idx(&frags[shinfo->nr_frags], pending_idx); } @@ -900,7 +900,7 @@ static struct gnttab_map_grant_ref *xenvif_get_requests(struct xenvif *vif, shinfo->nr_frags++, txp++, gop++) { index = pending_index(vif->pending_cons++); pending_idx = vif->pending_ring[index]; - xenvif_tx_create_gop(vif, pending_idx, txp, gop); + xenvif_tx_create_map_op(vif, pending_idx, txp, gop); frag_set_pending_idx(&frags[shinfo->nr_frags], pending_idx); } @@ -940,38 +940,42 @@ static inline void xenvif_grant_handle_reset(struct xenvif *vif, static int xenvif_tx_check_gop(struct xenvif *vif, struct sk_buff *skb, - struct gnttab_map_grant_ref **gopp) + struct gnttab_map_grant_ref **gopp_map, + struct gnttab_copy **gopp_copy) { - struct gnttab_map_grant_ref *gop = *gopp; + struct gnttab_map_grant_ref *gop_map = *gopp_map; u16 pending_idx = XENVIF_TX_CB(skb)->pending_idx; struct skb_shared_info *shinfo = skb_shinfo(skb); - struct pending_tx_info *tx_info; int nr_frags = shinfo->nr_frags; - int i, err, start; + int i, err; struct sk_buff *first_skb = NULL; /* Check status of header. */ - err = gop->status; - if (unlikely(err)) + err = (*gopp_copy)->status; + (*gopp_copy)++; + if (unlikely(err)) { + if (net_ratelimit()) + netdev_dbg(vif->dev, + "Grant copy of header failed! status: %d pending_idx: %u ref: %u\n", + (*gopp_copy)->status, + pending_idx, + (*gopp_copy)->source.u.ref); xenvif_idx_release(vif, pending_idx, XEN_NETIF_RSP_ERROR); - else - xenvif_grant_handle_set(vif, pending_idx , gop->handle); - - /* Skip first skb fragment if it is on same page as header fragment. */ - start = (frag_get_pending_idx(&shinfo->frags[0]) == pending_idx); + } check_frags: - for (i = start; i < nr_frags; i++) { + for (i = 0; i < nr_frags; i++, gop_map++) { int j, newerr; pending_idx = frag_get_pending_idx(&shinfo->frags[i]); - tx_info = &vif->pending_tx_info[pending_idx]; /* Check error status: if okay then remember grant handle. */ - newerr = (++gop)->status; + newerr = gop_map->status; if (likely(!newerr)) { - xenvif_grant_handle_set(vif, pending_idx , gop->handle); + xenvif_grant_handle_set(vif, + pending_idx, + gop_map->handle); /* Had a previous error? Invalidate this fragment. */ if (unlikely(err)) xenvif_idx_unmap(vif, pending_idx); @@ -979,18 +983,20 @@ check_frags: } /* Error on this fragment: respond to client with an error. */ + if (net_ratelimit()) + netdev_dbg(vif->dev, + "Grant map of %d. frag failed! status: %d pending_idx: %u ref: %u\n", + i, + gop_map->status, + pending_idx, + gop_map->ref); xenvif_idx_release(vif, pending_idx, XEN_NETIF_RSP_ERROR); /* Not the first error? Preceding frags already invalidated. */ if (err) continue; - /* First error: invalidate header and preceding fragments. */ - if (!first_skb) - pending_idx = XENVIF_TX_CB(skb)->pending_idx; - else - pending_idx = XENVIF_TX_CB(skb)->pending_idx; - xenvif_idx_unmap(vif, pending_idx); - for (j = start; j < i; j++) { + /* First error: invalidate preceding fragments. */ + for (j = 0; j < i; j++) { pending_idx = frag_get_pending_idx(&shinfo->frags[j]); xenvif_idx_unmap(vif, pending_idx); } @@ -1004,7 +1010,6 @@ check_frags: skb = shinfo->frag_list; shinfo = skb_shinfo(skb); nr_frags = shinfo->nr_frags; - start = 0; goto check_frags; } @@ -1015,15 +1020,13 @@ check_frags: if (first_skb && err) { int j; shinfo = skb_shinfo(first_skb); - pending_idx = XENVIF_TX_CB(skb)->pending_idx; - start = (frag_get_pending_idx(&shinfo->frags[0]) == pending_idx); - for (j = start; j < shinfo->nr_frags; j++) { + for (j = 0; j < shinfo->nr_frags; j++) { pending_idx = frag_get_pending_idx(&shinfo->frags[j]); xenvif_idx_unmap(vif, pending_idx); } } - *gopp = gop + 1; + *gopp_map = gop_map; return err; } @@ -1034,9 +1037,6 @@ static void xenvif_fill_frags(struct xenvif *vif, struct sk_buff *skb) int i; u16 prev_pending_idx = INVALID_PENDING_IDX; - if (skb_shinfo(skb)->destructor_arg) - prev_pending_idx = XENVIF_TX_CB(skb)->pending_idx; - for (i = 0; i < nr_frags; i++) { skb_frag_t *frag = shinfo->frags + i; struct xen_netif_tx_request *txp; @@ -1046,10 +1046,10 @@ static void xenvif_fill_frags(struct xenvif *vif, struct sk_buff *skb) pending_idx = frag_get_pending_idx(frag); /* If this is not the first frag, chain it to the previous*/ - if (unlikely(prev_pending_idx == INVALID_PENDING_IDX)) + if (prev_pending_idx == INVALID_PENDING_IDX) skb_shinfo(skb)->destructor_arg = &callback_param(vif, pending_idx); - else if (likely(pending_idx != prev_pending_idx)) + else callback_param(vif, prev_pending_idx).ctx = &callback_param(vif, pending_idx); @@ -1189,7 +1189,10 @@ static bool tx_credit_exceeded(struct xenvif *vif, unsigned size) return false; } -static unsigned xenvif_tx_build_gops(struct xenvif *vif, int budget) +static void xenvif_tx_build_gops(struct xenvif *vif, + int budget, + unsigned *copy_ops, + unsigned *map_ops) { struct gnttab_map_grant_ref *gop = vif->tx_map_ops, *request_gop; struct sk_buff *skb; @@ -1292,22 +1295,36 @@ static unsigned xenvif_tx_build_gops(struct xenvif *vif, int budget) } } - xenvif_tx_create_gop(vif, pending_idx, &txreq, gop); - - gop++; - XENVIF_TX_CB(skb)->pending_idx = pending_idx; __skb_put(skb, data_len); + vif->tx_copy_ops[*copy_ops].source.u.ref = txreq.gref; + vif->tx_copy_ops[*copy_ops].source.domid = vif->domid; + vif->tx_copy_ops[*copy_ops].source.offset = txreq.offset; + + vif->tx_copy_ops[*copy_ops].dest.u.gmfn = + virt_to_mfn(skb->data); + vif->tx_copy_ops[*copy_ops].dest.domid = DOMID_SELF; + vif->tx_copy_ops[*copy_ops].dest.offset = + offset_in_page(skb->data); + + vif->tx_copy_ops[*copy_ops].len = data_len; + vif->tx_copy_ops[*copy_ops].flags = GNTCOPY_source_gref; + + (*copy_ops)++; skb_shinfo(skb)->nr_frags = ret; if (data_len < txreq.size) { skb_shinfo(skb)->nr_frags++; frag_set_pending_idx(&skb_shinfo(skb)->frags[0], pending_idx); + xenvif_tx_create_map_op(vif, pending_idx, &txreq, gop); + gop++; } else { frag_set_pending_idx(&skb_shinfo(skb)->frags[0], INVALID_PENDING_IDX); + memcpy(&vif->pending_tx_info[pending_idx].req, &txreq, + sizeof(txreq)); } vif->pending_cons++; @@ -1324,11 +1341,13 @@ static unsigned xenvif_tx_build_gops(struct xenvif *vif, int budget) vif->tx.req_cons = idx; - if ((gop-vif->tx_map_ops) >= ARRAY_SIZE(vif->tx_map_ops)) + if (((gop-vif->tx_map_ops) >= ARRAY_SIZE(vif->tx_map_ops)) || + (*copy_ops >= ARRAY_SIZE(vif->tx_copy_ops))) break; } - return gop - vif->tx_map_ops; + (*map_ops) = gop - vif->tx_map_ops; + return; } /* Consolidate skb with a frag_list into a brand new one with local pages on @@ -1399,7 +1418,8 @@ static int xenvif_handle_frag_list(struct xenvif *vif, struct sk_buff *skb) static int xenvif_tx_submit(struct xenvif *vif) { - struct gnttab_map_grant_ref *gop = vif->tx_map_ops; + struct gnttab_map_grant_ref *gop_map = vif->tx_map_ops; + struct gnttab_copy *gop_copy = vif->tx_copy_ops; struct sk_buff *skb; int work_done = 0; @@ -1412,27 +1432,22 @@ static int xenvif_tx_submit(struct xenvif *vif) txp = &vif->pending_tx_info[pending_idx].req; /* Check the remap error code. */ - if (unlikely(xenvif_tx_check_gop(vif, skb, &gop))) { - netdev_dbg(vif->dev, "netback grant failed.\n"); + if (unlikely(xenvif_tx_check_gop(vif, skb, &gop_map, &gop_copy))) { skb_shinfo(skb)->nr_frags = 0; kfree_skb(skb); continue; } data_len = skb->len; - memcpy(skb->data, - (void *)(idx_to_kaddr(vif, pending_idx)|txp->offset), - data_len); callback_param(vif, pending_idx).ctx = NULL; if (data_len < txp->size) { /* Append the packet payload as a fragment. */ txp->offset += data_len; txp->size -= data_len; - skb_shinfo(skb)->destructor_arg = - &callback_param(vif, pending_idx); } else { /* Schedule a response immediately. */ - xenvif_idx_unmap(vif, pending_idx); + xenvif_idx_release(vif, pending_idx, + XEN_NETIF_RSP_OKAY); } if (txp->flags & XEN_NETTXF_csum_blank) @@ -1611,22 +1626,25 @@ static inline void xenvif_tx_dealloc_action(struct xenvif *vif) /* Called after netfront has transmitted */ int xenvif_tx_action(struct xenvif *vif, int budget) { - unsigned nr_gops; + unsigned nr_mops, nr_cops = 0; int work_done, ret; if (unlikely(!tx_work_todo(vif))) return 0; - nr_gops = xenvif_tx_build_gops(vif, budget); + xenvif_tx_build_gops(vif, budget, &nr_cops, &nr_mops); - if (nr_gops == 0) + if (nr_cops == 0) return 0; - ret = gnttab_map_refs(vif->tx_map_ops, - NULL, - vif->pages_to_map, - nr_gops); - BUG_ON(ret); + gnttab_batch_copy(vif->tx_copy_ops, nr_cops); + if (nr_mops != 0) { + ret = gnttab_map_refs(vif->tx_map_ops, + NULL, + vif->pages_to_map, + nr_mops); + BUG_ON(ret); + } work_done = xenvif_tx_submit(vif); diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index 057b05700f8b..158b5e639fc7 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -1291,13 +1291,13 @@ static struct net_device *xennet_create_dev(struct xenbus_device *dev) for (i = 0; i < NET_TX_RING_SIZE; i++) { skb_entry_set_link(&np->tx_skbs[i], i+1); np->grant_tx_ref[i] = GRANT_INVALID_REF; + np->grant_tx_page[i] = NULL; } /* Clear out rx_skbs */ for (i = 0; i < NET_RX_RING_SIZE; i++) { np->rx_skbs[i] = NULL; np->grant_rx_ref[i] = GRANT_INVALID_REF; - np->grant_tx_page[i] = NULL; } /* A grant for every tx ring slot */ |