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path: root/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
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Diffstat (limited to 'drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c')
-rw-r--r--drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c33
1 files changed, 19 insertions, 14 deletions
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index 309d05640883..dbf75393f758 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -670,7 +670,7 @@ int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter)
else
num_msix += adapter->drv_tx_rings;
- if (adapter->drv_rss_rings > 0)
+ if (adapter->drv_rss_rings > 0)
num_msix += adapter->drv_rss_rings;
else
num_msix += adapter->drv_sds_rings;
@@ -686,19 +686,15 @@ int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter)
return -ENOMEM;
}
-restore:
for (vector = 0; vector < num_msix; vector++)
adapter->msix_entries[vector].entry = vector;
+restore:
err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
- if (err == 0) {
- adapter->ahw->num_msix = num_msix;
- if (adapter->drv_tss_rings > 0)
- adapter->drv_tx_rings = adapter->drv_tss_rings;
+ if (err > 0) {
+ if (!adapter->drv_tss_rings && !adapter->drv_rss_rings)
+ return -ENOSPC;
- if (adapter->drv_rss_rings > 0)
- adapter->drv_sds_rings = adapter->drv_rss_rings;
- } else {
netdev_info(adapter->netdev,
"Unable to allocate %d MSI-X vectors, Available vectors %d\n",
num_msix, err);
@@ -716,12 +712,20 @@ restore:
"Restoring %d Tx, %d SDS rings for total %d vectors.\n",
adapter->drv_tx_rings, adapter->drv_sds_rings,
num_msix);
- goto restore;
- err = -EIO;
+ goto restore;
+ } else if (err < 0) {
+ return err;
}
- return err;
+ adapter->ahw->num_msix = num_msix;
+ if (adapter->drv_tss_rings > 0)
+ adapter->drv_tx_rings = adapter->drv_tss_rings;
+
+ if (adapter->drv_rss_rings > 0)
+ adapter->drv_sds_rings = adapter->drv_rss_rings;
+
+ return 0;
}
int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
@@ -2528,8 +2532,6 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
goto err_out_free_hw;
}
- qlcnic_dcb_enable(adapter->dcb);
-
if (qlcnic_read_mac_addr(adapter))
dev_warn(&pdev->dev, "failed to read mac addr\n");
@@ -2549,7 +2551,10 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
"Device does not support MSI interrupts\n");
if (qlcnic_82xx_check(adapter)) {
+ qlcnic_dcb_enable(adapter->dcb);
+ qlcnic_dcb_get_info(adapter->dcb);
err = qlcnic_setup_intr(adapter);
+
if (err) {
dev_err(&pdev->dev, "Failed to setup interrupt\n");
goto err_out_disable_msi;