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-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.c22
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.h1
2 files changed, 17 insertions, 6 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 673f4d62e73e..b489fb6251d6 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -5295,12 +5295,19 @@ static int bnxt_open(struct net_device *dev)
struct bnxt *bp = netdev_priv(dev);
int rc = 0;
- rc = bnxt_hwrm_func_reset(bp);
- if (rc) {
- netdev_err(bp->dev, "hwrm chip reset failure rc: %x\n",
- rc);
- rc = -1;
- return rc;
+ if (!test_bit(BNXT_STATE_FN_RST_DONE, &bp->state)) {
+ rc = bnxt_hwrm_func_reset(bp);
+ if (rc) {
+ netdev_err(bp->dev, "hwrm chip reset failure rc: %x\n",
+ rc);
+ rc = -EBUSY;
+ return rc;
+ }
+ /* Do func_reset during the 1st PF open only to prevent killing
+ * the VFs when the PF is brought down and up.
+ */
+ if (BNXT_PF(bp))
+ set_bit(BNXT_STATE_FN_RST_DONE, &bp->state);
}
return __bnxt_open_nic(bp, true, true);
}
@@ -6676,6 +6683,7 @@ static pci_ers_result_t bnxt_io_error_detected(struct pci_dev *pdev,
pci_channel_state_t state)
{
struct net_device *netdev = pci_get_drvdata(pdev);
+ struct bnxt *bp = netdev_priv(netdev);
netdev_info(netdev, "PCI I/O error detected\n");
@@ -6690,6 +6698,8 @@ static pci_ers_result_t bnxt_io_error_detected(struct pci_dev *pdev,
if (netif_running(netdev))
bnxt_close(netdev);
+ /* So that func_reset will be done during slot_reset */
+ clear_bit(BNXT_STATE_FN_RST_DONE, &bp->state);
pci_disable_device(pdev);
rtnl_unlock();
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index 084b3f2a8fc0..1d5a3cdefcf3 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -1018,6 +1018,7 @@ struct bnxt {
unsigned long state;
#define BNXT_STATE_OPEN 0
#define BNXT_STATE_IN_SP_TASK 1
+#define BNXT_STATE_FN_RST_DONE 2
struct bnxt_irq *irq_tbl;
u8 mac_addr[ETH_ALEN];