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authorVasundhara Volam <vasundhara-v.volam@broadcom.com>2020-12-27 14:18:17 -0500
committerJakub Kicinski <kuba@kernel.org>2020-12-28 14:10:52 -0800
commitfb1e6e562b37b39adfe251919c9abfdb3e01f921 (patch)
tree9c5ed4d9768fab231f42e4b6a0b33bdaa4fcbe8e
parent74f88c1676aa0b4518549c5a846875a6102ab540 (diff)
bnxt_en: Fix AER recovery.
A recent change skips sending firmware messages to the firmware when pci_channel_offline() is true during fatal AER error. To make this complete, we need to move the re-initialization sequence to bnxt_io_resume(), otherwise the firmware messages to re-initialize will all be skipped. In any case, it is more correct to re-initialize in bnxt_io_resume(). Also, fix the reverse x-mas tree format when defining variables in bnxt_io_slot_reset(). Fixes: b340dc680ed4 ("bnxt_en: Avoid sending firmware messages when AER error is detected.") Reviewed-by: Edwin Peer <edwin.peer@broadcom.com> Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.c31
1 files changed, 14 insertions, 17 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 4edd6f8e017e..b8351e24395d 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -12887,10 +12887,10 @@ static pci_ers_result_t bnxt_io_error_detected(struct pci_dev *pdev,
*/
static pci_ers_result_t bnxt_io_slot_reset(struct pci_dev *pdev)
{
+ pci_ers_result_t result = PCI_ERS_RESULT_DISCONNECT;
struct net_device *netdev = pci_get_drvdata(pdev);
struct bnxt *bp = netdev_priv(netdev);
int err = 0, off;
- pci_ers_result_t result = PCI_ERS_RESULT_DISCONNECT;
netdev_info(bp->dev, "PCI Slot Reset\n");
@@ -12919,22 +12919,8 @@ static pci_ers_result_t bnxt_io_slot_reset(struct pci_dev *pdev)
pci_save_state(pdev);
err = bnxt_hwrm_func_reset(bp);
- if (!err) {
- err = bnxt_hwrm_func_qcaps(bp);
- if (!err && netif_running(netdev))
- err = bnxt_open(netdev);
- }
- bnxt_ulp_start(bp, err);
- if (!err) {
- bnxt_reenable_sriov(bp);
+ if (!err)
result = PCI_ERS_RESULT_RECOVERED;
- }
- }
-
- if (result != PCI_ERS_RESULT_RECOVERED) {
- if (netif_running(netdev))
- dev_close(netdev);
- pci_disable_device(pdev);
}
rtnl_unlock();
@@ -12952,10 +12938,21 @@ static pci_ers_result_t bnxt_io_slot_reset(struct pci_dev *pdev)
static void bnxt_io_resume(struct pci_dev *pdev)
{
struct net_device *netdev = pci_get_drvdata(pdev);
+ struct bnxt *bp = netdev_priv(netdev);
+ int err;
+ netdev_info(bp->dev, "PCI Slot Resume\n");
rtnl_lock();
- netif_device_attach(netdev);
+ err = bnxt_hwrm_func_qcaps(bp);
+ if (!err && netif_running(netdev))
+ err = bnxt_open(netdev);
+
+ bnxt_ulp_start(bp, err);
+ if (!err) {
+ bnxt_reenable_sriov(bp);
+ netif_device_attach(netdev);
+ }
rtnl_unlock();
}