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path: root/drivers/net/ethernet/broadcom/tg3.c
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Diffstat (limited to 'drivers/net/ethernet/broadcom/tg3.c')
-rw-r--r--drivers/net/ethernet/broadcom/tg3.c264
1 files changed, 179 insertions, 85 deletions
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 04964bbe08cf..d9d675f1ebfe 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -55,6 +55,7 @@
#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
#include <linux/crc32poly.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)
@@ -11241,6 +11261,8 @@ 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 +11275,9 @@ 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 +11305,7 @@ 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 +11325,14 @@ 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 +11351,17 @@ 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 +11692,11 @@ 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 +12580,7 @@ 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 +12609,7 @@ 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 +12691,7 @@ 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 +12721,7 @@ 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 +13140,16 @@ 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 +13926,7 @@ 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 +13938,7 @@ 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 +14218,7 @@ 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 +14227,7 @@ 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 +14240,9 @@ 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 +14257,7 @@ 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 +14344,7 @@ 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 +14382,7 @@ 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 +14402,7 @@ 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 +15697,13 @@ 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 +17120,14 @@ 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 +17858,9 @@ 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 +18140,6 @@ 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 +18163,11 @@ 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 +18183,7 @@ 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 +18200,7 @@ static int tg3_resume(struct device *device)
out:
tg3_full_unlock(tp);
+ netdev_unlock(dev);
if (!err)
tg3_phy_start(tp);
@@ -18183,6 +18213,50 @@ 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 +18273,19 @@ 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 +18338,9 @@ 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 +18358,7 @@ 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 +18394,9 @@ 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 +18422,14 @@ 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 +18441,7 @@ static void tg3_io_resume(struct pci_dev *pdev)
tg3_netif_start(tp);
tg3_full_unlock(tp);
+ netdev_unlock(netdev);
tg3_phy_start(tp);