diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/tg3.c')
-rw-r--r-- | drivers/net/ethernet/broadcom/tg3.c | 289 |
1 files changed, 182 insertions, 107 deletions
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 04964bbe08cf..ff47e96b9124 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -54,7 +54,8 @@ #include <linux/ssb/ssb_driver_gige.h> #include <linux/hwmon.h> #include <linux/hwmon-sysfs.h> -#include <linux/crc32poly.h> +#include <linux/crc32.h> +#include <linux/dmi.h> #include <net/checksum.h> #include <net/gso.h> @@ -221,7 +222,7 @@ static inline void _tg3_flag_clear(enum TG3_FLAGS flag, unsigned long *bits) #define FIRMWARE_TG3TSO "tigon/tg3_tso.bin" #define FIRMWARE_TG3TSO5 "tigon/tg3_tso5.bin" -MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)"); +MODULE_AUTHOR("David S. Miller <davem@redhat.com> and Jeff Garzik <jgarzik@pobox.com>"); MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver"); MODULE_LICENSE("GPL"); MODULE_FIRMWARE(FIRMWARE_TG3); @@ -2338,10 +2339,10 @@ static void tg3_phy_apply_otp(struct tg3 *tp) tg3_phy_toggle_auxctl_smdsp(tp, false); } -static void tg3_eee_pull_config(struct tg3 *tp, struct ethtool_eee *eee) +static void tg3_eee_pull_config(struct tg3 *tp, struct ethtool_keee *eee) { u32 val; - struct ethtool_eee *dest = &tp->eee; + struct ethtool_keee *dest = &tp->eee; if (!(tp->phy_flags & TG3_PHYFLG_EEE_CAP)) return; @@ -2362,13 +2363,13 @@ static void tg3_eee_pull_config(struct tg3 *tp, struct ethtool_eee *eee) /* Pull lp advertised settings */ if (tg3_phy_cl45_read(tp, MDIO_MMD_AN, MDIO_AN_EEE_LPABLE, &val)) return; - dest->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(val); + mii_eee_cap1_mod_linkmode_t(dest->lp_advertised, val); /* Pull advertised and eee_enabled settings */ if (tg3_phy_cl45_read(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV, &val)) return; dest->eee_enabled = !!val; - dest->advertised = mmd_eee_adv_to_ethtool_adv_t(val); + mii_eee_cap1_mod_linkmode_t(dest->advertised, val); /* Pull tx_lpi_enabled */ val = tr32(TG3_CPMU_EEE_MODE); @@ -3737,7 +3738,7 @@ static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, } do { - u32 *fw_data = (u32 *)(fw_hdr + 1); + __be32 *fw_data = (__be32 *)(fw_hdr + 1); for (i = 0; i < tg3_fw_data_len(tp, fw_hdr); i++) write_op(tp, cpu_scratch_base + (be32_to_cpu(fw_hdr->base_addr) & 0xffff) + @@ -4019,7 +4020,7 @@ static int tg3_power_up(struct tg3 *tp) static int tg3_setup_phy(struct tg3 *, bool); -static int tg3_power_down_prepare(struct tg3 *tp) +static void tg3_power_down_prepare(struct tg3 *tp) { u32 misc_host_ctrl; bool device_should_wake, do_low_power; @@ -4263,7 +4264,7 @@ static int tg3_power_down_prepare(struct tg3 *tp) tg3_ape_driver_state_change(tp, RESET_KIND_SHUTDOWN); - return 0; + return; } static void tg3_power_down(struct tg3 *tp) @@ -4354,23 +4355,12 @@ static int tg3_phy_autoneg_cfg(struct tg3 *tp, u32 advertise, u32 flowctrl) if (!err) { u32 err2; - val = 0; - /* Advertise 100-BaseTX EEE ability */ - if (advertise & ADVERTISED_100baseT_Full) - val |= MDIO_AN_EEE_ADV_100TX; - /* Advertise 1000-BaseT EEE ability */ - if (advertise & ADVERTISED_1000baseT_Full) - val |= MDIO_AN_EEE_ADV_1000T; - - if (!tp->eee.eee_enabled) { + if (!tp->eee.eee_enabled) val = 0; - tp->eee.advertised = 0; - } else { - tp->eee.advertised = advertise & - (ADVERTISED_100baseT_Full | - ADVERTISED_1000baseT_Full); - } + else + val = ethtool_adv_to_mmd_eee_adv_t(advertise); + mii_eee_cap1_mod_linkmode_t(tp->eee.advertised, val); err = tg3_phy_cl45_write(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV, val); if (err) val = 0; @@ -4618,7 +4608,7 @@ static int tg3_init_5401phy_dsp(struct tg3 *tp) static bool tg3_phy_eee_config_ok(struct tg3 *tp) { - struct ethtool_eee eee; + struct ethtool_keee eee = {}; if (!(tp->phy_flags & TG3_PHYFLG_EEE_CAP)) return true; @@ -4626,13 +4616,13 @@ static bool tg3_phy_eee_config_ok(struct tg3 *tp) tg3_eee_pull_config(tp, &eee); if (tp->eee.eee_enabled) { - if (tp->eee.advertised != eee.advertised || + if (!linkmode_equal(tp->eee.advertised, eee.advertised) || tp->eee.tx_lpi_timer != eee.tx_lpi_timer || tp->eee.tx_lpi_enabled != eee.tx_lpi_enabled) return false; } else { /* EEE is disabled but we're advertising */ - if (eee.advertised) + if (!linkmode_empty(eee.advertised)) return false; } @@ -6152,13 +6142,11 @@ static void tg3_refclk_write(struct tg3 *tp, u64 newval) static inline void tg3_full_lock(struct tg3 *tp, int irq_sync); static inline void tg3_full_unlock(struct tg3 *tp); -static int tg3_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info) +static int tg3_get_ts_info(struct net_device *dev, struct kernel_ethtool_ts_info *info) { struct tg3 *tp = netdev_priv(dev); - info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | - SOF_TIMESTAMPING_RX_SOFTWARE | - SOF_TIMESTAMPING_SOFTWARE; + info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE; if (tg3_flag(tp, PTP_CAPABLE)) { info->so_timestamping |= SOF_TIMESTAMPING_TX_HARDWARE | @@ -6168,8 +6156,6 @@ static int tg3_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info) if (tp->ptp_clock) info->phc_index = ptp_clock_index(tp->ptp_clock); - else - info->phc_index = -1; info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON); @@ -7410,27 +7396,61 @@ tx_recovery: static void tg3_napi_disable(struct tg3 *tp) { + int txq_idx = tp->txq_cnt - 1; + int rxq_idx = tp->rxq_cnt - 1; + struct tg3_napi *tnapi; int i; - for (i = tp->irq_cnt - 1; i >= 0; i--) - napi_disable(&tp->napi[i].napi); + for (i = tp->irq_cnt - 1; i >= 0; i--) { + tnapi = &tp->napi[i]; + if (tnapi->tx_buffers) { + netif_queue_set_napi(tp->dev, txq_idx, + NETDEV_QUEUE_TYPE_TX, NULL); + txq_idx--; + } + if (tnapi->rx_rcb) { + netif_queue_set_napi(tp->dev, rxq_idx, + NETDEV_QUEUE_TYPE_RX, NULL); + rxq_idx--; + } + napi_disable(&tnapi->napi); + } } static void tg3_napi_enable(struct tg3 *tp) { + int txq_idx = 0, rxq_idx = 0; + struct tg3_napi *tnapi; int i; - for (i = 0; i < tp->irq_cnt; i++) - napi_enable(&tp->napi[i].napi); + for (i = 0; i < tp->irq_cnt; i++) { + tnapi = &tp->napi[i]; + napi_enable_locked(&tnapi->napi); + if (tnapi->tx_buffers) { + netif_queue_set_napi(tp->dev, txq_idx, + NETDEV_QUEUE_TYPE_TX, + &tnapi->napi); + txq_idx++; + } + if (tnapi->rx_rcb) { + netif_queue_set_napi(tp->dev, rxq_idx, + NETDEV_QUEUE_TYPE_RX, + &tnapi->napi); + rxq_idx++; + } + } } static void tg3_napi_init(struct tg3 *tp) { int i; - netif_napi_add(tp->dev, &tp->napi[0].napi, tg3_poll); - for (i = 1; i < tp->irq_cnt; i++) - netif_napi_add(tp->dev, &tp->napi[i].napi, tg3_poll_msix); + for (i = 0; i < tp->irq_cnt; i++) { + netif_napi_add_locked(tp->dev, &tp->napi[i].napi, + i ? tg3_poll_msix : tg3_poll); + netif_napi_set_irq_locked(&tp->napi[i].napi, + tp->napi[i].irq_vec); + } } static void tg3_napi_fini(struct tg3 *tp) @@ -9789,26 +9809,7 @@ static void tg3_setup_rxbd_thresholds(struct tg3 *tp) static inline u32 calc_crc(unsigned char *buf, int len) { - u32 reg; - u32 tmp; - int j, k; - - reg = 0xffffffff; - - for (j = 0; j < len; j++) { - reg ^= buf[j]; - - for (k = 0; k < 8; k++) { - tmp = reg & 0x01; - - reg >>= 1; - - if (tmp) - reg ^= CRC32_POLY_LE; - } - } - - return ~reg; + return ~crc32(~0, buf, len); } static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all) @@ -11232,7 +11233,7 @@ static void tg3_timer_start(struct tg3 *tp) static void tg3_timer_stop(struct tg3 *tp) { - del_timer_sync(&tp->timer); + timer_delete_sync(&tp->timer); } /* Restart hardware after configuration changes, self-test, etc. @@ -11241,6 +11242,8 @@ static void tg3_timer_stop(struct tg3 *tp) static int tg3_restart_hw(struct tg3 *tp, bool reset_phy) __releases(tp->lock) __acquires(tp->lock) + __releases(tp->dev->lock) + __acquires(tp->dev->lock) { int err; @@ -11253,7 +11256,9 @@ static int tg3_restart_hw(struct tg3 *tp, bool reset_phy) tg3_timer_stop(tp); tp->irq_sync = 0; tg3_napi_enable(tp); + netdev_unlock(tp->dev); dev_close(tp->dev); + netdev_lock(tp->dev); tg3_full_lock(tp, 0); } return err; @@ -11281,6 +11286,7 @@ static void tg3_reset_task(struct work_struct *work) tg3_netif_stop(tp); + netdev_lock(tp->dev); tg3_full_lock(tp, 1); if (tg3_flag(tp, TX_RECOVERY_PENDING)) { @@ -11300,12 +11306,14 @@ static void tg3_reset_task(struct work_struct *work) * call cancel_work_sync() and wait forever. */ tg3_flag_clear(tp, RESET_TASK_PENDING); + netdev_unlock(tp->dev); dev_close(tp->dev); goto out; } tg3_netif_start(tp); tg3_full_unlock(tp); + netdev_unlock(tp->dev); tg3_phy_start(tp); tg3_flag_clear(tp, RESET_TASK_PENDING); out: @@ -11324,18 +11332,17 @@ static int tg3_request_irq(struct tg3 *tp, int irq_num) else { name = &tnapi->irq_lbl[0]; if (tnapi->tx_buffers && tnapi->rx_rcb) - snprintf(name, IFNAMSIZ, + snprintf(name, sizeof(tnapi->irq_lbl), "%s-txrx-%d", tp->dev->name, irq_num); else if (tnapi->tx_buffers) - snprintf(name, IFNAMSIZ, + snprintf(name, sizeof(tnapi->irq_lbl), "%s-tx-%d", tp->dev->name, irq_num); else if (tnapi->rx_rcb) - snprintf(name, IFNAMSIZ, + snprintf(name, sizeof(tnapi->irq_lbl), "%s-rx-%d", tp->dev->name, irq_num); else - snprintf(name, IFNAMSIZ, + snprintf(name, sizeof(tnapi->irq_lbl), "%s-%d", tp->dev->name, irq_num); - name[IFNAMSIZ-1] = 0; } if (tg3_flag(tp, USING_MSI) || tg3_flag(tp, USING_MSIX)) { @@ -11666,9 +11673,11 @@ static int tg3_start(struct tg3 *tp, bool reset_phy, bool test_irq, if (err) goto out_ints_fini; + netdev_lock(dev); tg3_napi_init(tp); tg3_napi_enable(tp); + netdev_unlock(dev); for (i = 0; i < tp->irq_cnt; i++) { err = tg3_request_irq(tp, i); @@ -12552,6 +12561,7 @@ static int tg3_set_ringparam(struct net_device *dev, irq_sync = 1; } + netdev_lock(dev); tg3_full_lock(tp, irq_sync); tp->rx_pending = ering->rx_pending; @@ -12580,6 +12590,7 @@ static int tg3_set_ringparam(struct net_device *dev, } tg3_full_unlock(tp); + netdev_unlock(dev); if (irq_sync && !err) tg3_phy_start(tp); @@ -12661,6 +12672,7 @@ static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam irq_sync = 1; } + netdev_lock(dev); tg3_full_lock(tp, irq_sync); if (epause->autoneg) @@ -12690,6 +12702,7 @@ static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam } tg3_full_unlock(tp); + netdev_unlock(dev); } tp->phy_flags |= TG3_PHYFLG_USER_CONFIGURED; @@ -13108,12 +13121,16 @@ static int tg3_test_nvram(struct tg3 *tp) /* Bootstrap checksum at offset 0x10 */ csum = calc_crc((unsigned char *) buf, 0x10); - if (csum != le32_to_cpu(buf[0x10/4])) + + /* The type of buf is __be32 *, but this value is __le32 */ + if (csum != le32_to_cpu((__force __le32)buf[0x10 / 4])) goto out; /* Manufacturing block starts at offset 0x74, checksum at 0xfc */ - csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88); - if (csum != le32_to_cpu(buf[0xfc/4])) + csum = calc_crc((unsigned char *)&buf[0x74 / 4], 0x88); + + /* The type of buf is __be32 *, but this value is __le32 */ + if (csum != le32_to_cpu((__force __le32)buf[0xfc / 4])) goto out; kfree(buf); @@ -13890,6 +13907,7 @@ static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest, data[TG3_INTERRUPT_TEST] = 1; } + netdev_lock(dev); tg3_full_lock(tp, 0); tg3_halt(tp, RESET_KIND_SHUTDOWN, 1); @@ -13901,6 +13919,7 @@ static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest, } tg3_full_unlock(tp); + netdev_unlock(dev); if (irq_sync && !err2) tg3_phy_start(tp); @@ -14180,7 +14199,7 @@ static int tg3_set_coalesce(struct net_device *dev, return 0; } -static int tg3_set_eee(struct net_device *dev, struct ethtool_eee *edata) +static int tg3_set_eee(struct net_device *dev, struct ethtool_keee *edata) { struct tg3 *tp = netdev_priv(dev); @@ -14189,7 +14208,7 @@ static int tg3_set_eee(struct net_device *dev, struct ethtool_eee *edata) return -EOPNOTSUPP; } - if (edata->advertised != tp->eee.advertised) { + if (!linkmode_equal(edata->advertised, tp->eee.advertised)) { netdev_warn(tp->dev, "Direct manipulation of EEE advertisement is not supported\n"); return -EINVAL; @@ -14202,7 +14221,9 @@ static int tg3_set_eee(struct net_device *dev, struct ethtool_eee *edata) return -EINVAL; } - tp->eee = *edata; + tp->eee.eee_enabled = edata->eee_enabled; + tp->eee.tx_lpi_enabled = edata->tx_lpi_enabled; + tp->eee.tx_lpi_timer = edata->tx_lpi_timer; tp->phy_flags |= TG3_PHYFLG_USER_CONFIGURED; tg3_warn_mgmt_link_flap(tp); @@ -14217,7 +14238,7 @@ static int tg3_set_eee(struct net_device *dev, struct ethtool_eee *edata) return 0; } -static int tg3_get_eee(struct net_device *dev, struct ethtool_eee *edata) +static int tg3_get_eee(struct net_device *dev, struct ethtool_keee *edata) { struct tg3 *tp = netdev_priv(dev); @@ -14304,7 +14325,7 @@ static void tg3_set_rx_mode(struct net_device *dev) static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp, int new_mtu) { - dev->mtu = new_mtu; + WRITE_ONCE(dev->mtu, new_mtu); if (new_mtu > ETH_DATA_LEN) { if (tg3_flag(tp, 5780_CLASS)) { @@ -14342,6 +14363,7 @@ static int tg3_change_mtu(struct net_device *dev, int new_mtu) tg3_set_mtu(dev, tp, new_mtu); + netdev_lock(dev); tg3_full_lock(tp, 1); tg3_halt(tp, RESET_KIND_SHUTDOWN, 1); @@ -14361,6 +14383,7 @@ static int tg3_change_mtu(struct net_device *dev, int new_mtu) tg3_netif_start(tp); tg3_full_unlock(tp); + netdev_unlock(dev); if (!err) tg3_phy_start(tp); @@ -15655,10 +15678,13 @@ static int tg3_phy_probe(struct tg3 *tp) tg3_chip_rev_id(tp) != CHIPREV_ID_57765_A0))) { tp->phy_flags |= TG3_PHYFLG_EEE_CAP; - tp->eee.supported = SUPPORTED_100baseT_Full | - SUPPORTED_1000baseT_Full; - tp->eee.advertised = ADVERTISED_100baseT_Full | - ADVERTISED_1000baseT_Full; + linkmode_zero(tp->eee.supported); + linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, + tp->eee.supported); + linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, + tp->eee.supported); + linkmode_copy(tp->eee.advertised, tp->eee.supported); + tp->eee.eee_enabled = 1; tp->eee.tx_lpi_enabled = 1; tp->eee.tx_lpi_timer = TG3_CPMU_DBTMR1_LNKIDLE_2047US; @@ -17075,12 +17101,14 @@ static int tg3_get_device_address(struct tg3 *tp, u8 *addr) addr_ok = is_valid_ether_addr(addr); } if (!addr_ok) { + __be32 be_hi, be_lo; + /* Next, try NVRAM. */ if (!tg3_flag(tp, NO_NVRAM) && - !tg3_nvram_read_be32(tp, mac_offset + 0, &hi) && - !tg3_nvram_read_be32(tp, mac_offset + 4, &lo)) { - memcpy(&addr[0], ((char *)&hi) + 2, 2); - memcpy(&addr[2], (char *)&lo, sizeof(lo)); + !tg3_nvram_read_be32(tp, mac_offset + 0, &be_hi) && + !tg3_nvram_read_be32(tp, mac_offset + 4, &be_lo)) { + memcpy(&addr[0], ((char *)&be_hi) + 2, 2); + memcpy(&addr[2], (char *)&be_lo, sizeof(be_lo)); } /* Finally just fetch it out of the MAC control regs. */ else { @@ -17811,6 +17839,9 @@ static int tg3_init_one(struct pci_dev *pdev, } else persist_dma_mask = dma_mask = DMA_BIT_MASK(64); + if (tg3_asic_rev(tp) == ASIC_REV_57766) + persist_dma_mask = DMA_BIT_MASK(31); + /* Configure DMA attributes. */ if (dma_mask > DMA_BIT_MASK(32)) { err = dma_set_mask(&pdev->dev, dma_mask); @@ -18090,7 +18121,6 @@ static int tg3_suspend(struct device *device) { struct net_device *dev = dev_get_drvdata(device); struct tg3 *tp = netdev_priv(dev); - int err = 0; rtnl_lock(); @@ -18114,32 +18144,11 @@ static int tg3_suspend(struct device *device) tg3_flag_clear(tp, INIT_COMPLETE); tg3_full_unlock(tp); - err = tg3_power_down_prepare(tp); - if (err) { - int err2; - - tg3_full_lock(tp, 0); - - tg3_flag_set(tp, INIT_COMPLETE); - err2 = tg3_restart_hw(tp, true); - if (err2) - goto out; - - tg3_timer_start(tp); - - netif_device_attach(dev); - tg3_netif_start(tp); - -out: - tg3_full_unlock(tp); - - if (!err2) - tg3_phy_start(tp); - } + tg3_power_down_prepare(tp); unlock: rtnl_unlock(); - return err; + return 0; } static int tg3_resume(struct device *device) @@ -18155,6 +18164,7 @@ static int tg3_resume(struct device *device) netif_device_attach(dev); + netdev_lock(dev); tg3_full_lock(tp, 0); tg3_ape_driver_state_change(tp, RESET_KIND_INIT); @@ -18171,6 +18181,7 @@ static int tg3_resume(struct device *device) out: tg3_full_unlock(tp); + netdev_unlock(dev); if (!err) tg3_phy_start(tp); @@ -18183,6 +18194,50 @@ unlock: static SIMPLE_DEV_PM_OPS(tg3_pm_ops, tg3_suspend, tg3_resume); +/* Systems where ACPI _PTS (Prepare To Sleep) S5 will result in a fatal + * PCIe AER event on the tg3 device if the tg3 device is not, or cannot + * be, powered down. + */ +static const struct dmi_system_id tg3_restart_aer_quirk_table[] = { + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge R440"), + }, + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge R540"), + }, + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge R640"), + }, + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge R650"), + }, + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge R740"), + }, + }, + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge R750"), + }, + }, + {} +}; + static void tg3_shutdown(struct pci_dev *pdev) { struct net_device *dev = pci_get_drvdata(pdev); @@ -18199,6 +18254,19 @@ static void tg3_shutdown(struct pci_dev *pdev) if (system_state == SYSTEM_POWER_OFF) tg3_power_down(tp); + else if (system_state == SYSTEM_RESTART && + dmi_first_match(tg3_restart_aer_quirk_table) && + pdev->current_state != PCI_D3cold && + pdev->current_state != PCI_UNKNOWN) { + /* Disable PCIe AER on the tg3 to avoid a fatal + * error during this system restart. + */ + pcie_capability_clear_word(pdev, PCI_EXP_DEVCTL, + PCI_EXP_DEVCTL_CERE | + PCI_EXP_DEVCTL_NFERE | + PCI_EXP_DEVCTL_FERE | + PCI_EXP_DEVCTL_URRE); + } rtnl_unlock(); @@ -18251,7 +18319,9 @@ static pci_ers_result_t tg3_io_error_detected(struct pci_dev *pdev, done: if (state == pci_channel_io_perm_failure) { if (netdev) { + netdev_lock(netdev); tg3_napi_enable(tp); + netdev_unlock(netdev); dev_close(netdev); } err = PCI_ERS_RESULT_DISCONNECT; @@ -18269,7 +18339,7 @@ done: * @pdev: Pointer to PCI device * * Restart the card from scratch, as if from a cold-boot. - * At this point, the card has exprienced a hard reset, + * At this point, the card has experienced a hard reset, * followed by fixups by BIOS, and has its config space * set up identically to what it was at cold boot. */ @@ -18305,7 +18375,9 @@ static pci_ers_result_t tg3_io_slot_reset(struct pci_dev *pdev) done: if (rc != PCI_ERS_RESULT_RECOVERED && netdev && netif_running(netdev)) { + netdev_lock(netdev); tg3_napi_enable(tp); + netdev_unlock(netdev); dev_close(netdev); } rtnl_unlock(); @@ -18331,12 +18403,14 @@ static void tg3_io_resume(struct pci_dev *pdev) if (!netdev || !netif_running(netdev)) goto done; + netdev_lock(netdev); tg3_full_lock(tp, 0); tg3_ape_driver_state_change(tp, RESET_KIND_INIT); tg3_flag_set(tp, INIT_COMPLETE); err = tg3_restart_hw(tp, true); if (err) { tg3_full_unlock(tp); + netdev_unlock(netdev); netdev_err(netdev, "Cannot restart hardware after reset.\n"); goto done; } @@ -18348,6 +18422,7 @@ static void tg3_io_resume(struct pci_dev *pdev) tg3_netif_start(tp); tg3_full_unlock(tp); + netdev_unlock(netdev); tg3_phy_start(tp); |