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path: root/drivers/net/ethernet/broadcom/bnxt/bnxt.c
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Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt.c')
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.c54
1 files changed, 45 insertions, 9 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index d9ad325f7840..743504a27b71 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -10015,17 +10015,12 @@ static int bnxt_try_recover_fw(struct bnxt *bp)
return -ENODEV;
}
-int bnxt_cancel_reservations(struct bnxt *bp, bool fw_reset)
+static void bnxt_clear_reservations(struct bnxt *bp, bool fw_reset)
{
struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
- int rc;
if (!BNXT_NEW_RM(bp))
- return 0; /* no resource reservations required */
-
- rc = bnxt_hwrm_func_resc_qcaps(bp, true);
- if (rc)
- netdev_err(bp->dev, "resc_qcaps failed\n");
+ return; /* no resource reservations required */
hw_resc->resv_cp_rings = 0;
hw_resc->resv_stat_ctxs = 0;
@@ -10038,6 +10033,20 @@ int bnxt_cancel_reservations(struct bnxt *bp, bool fw_reset)
bp->tx_nr_rings = 0;
bp->rx_nr_rings = 0;
}
+}
+
+int bnxt_cancel_reservations(struct bnxt *bp, bool fw_reset)
+{
+ int rc;
+
+ if (!BNXT_NEW_RM(bp))
+ return 0; /* no resource reservations required */
+
+ rc = bnxt_hwrm_func_resc_qcaps(bp, true);
+ if (rc)
+ netdev_err(bp->dev, "resc_qcaps failed\n");
+
+ bnxt_clear_reservations(bp, fw_reset);
return rc;
}
@@ -12928,8 +12937,8 @@ static int bnxt_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
rcu_read_lock();
hlist_for_each_entry_rcu(fltr, head, hash) {
if (bnxt_fltr_match(fltr, new_fltr)) {
+ rc = fltr->sw_id;
rcu_read_unlock();
- rc = 0;
goto err_free;
}
}
@@ -13935,7 +13944,9 @@ 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;
+ int retry = 0;
+ int err = 0;
+ int off;
netdev_info(bp->dev, "PCI Slot Reset\n");
@@ -13963,11 +13974,36 @@ static pci_ers_result_t bnxt_io_slot_reset(struct pci_dev *pdev)
pci_restore_state(pdev);
pci_save_state(pdev);
+ bnxt_inv_fw_health_reg(bp);
+ bnxt_try_map_fw_health_reg(bp);
+
+ /* In some PCIe AER scenarios, firmware may take up to
+ * 10 seconds to become ready in the worst case.
+ */
+ do {
+ err = bnxt_try_recover_fw(bp);
+ if (!err)
+ break;
+ retry++;
+ } while (retry < BNXT_FW_SLOT_RESET_RETRY);
+
+ if (err) {
+ dev_err(&pdev->dev, "Firmware not ready\n");
+ goto reset_exit;
+ }
+
err = bnxt_hwrm_func_reset(bp);
if (!err)
result = PCI_ERS_RESULT_RECOVERED;
+
+ bnxt_ulp_irq_stop(bp);
+ bnxt_clear_int_mode(bp);
+ err = bnxt_init_int_mode(bp);
+ bnxt_ulp_irq_restart(bp, err);
}
+reset_exit:
+ bnxt_clear_reservations(bp, true);
rtnl_unlock();
return result;