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qlcnic: Limit vNIC support in legacy interrupt mode

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o When the driver loads in legacy interrupt mode, only vNICs
  with PCI function number 0-7 are supported.

Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sucheta Chakraborty 2014-04-25 17:44:00 -04:00 committed by David S. Miller
parent c65762fc2f
commit aaecf51cf3
2 changed files with 12 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
View File

@ -33,6 +33,7 @@ static void qlcnic_83xx_get_beacon_state(struct qlcnic_adapter *);
#define RSS_HASHTYPE_IP_TCP 0x3
#define QLC_83XX_FW_MBX_CMD 0
#define QLC_SKIP_INACTIVE_PCI_REGS 7
#define QLC_MAX_LEGACY_FUNC_SUPP 8
static const struct qlcnic_mailbox_metadata qlcnic_83xx_mbx_tbl[] = {
{QLCNIC_CMD_CONFIGURE_IP_ADDR, 6, 1},
@ -357,8 +358,15 @@ int qlcnic_83xx_setup_intr(struct qlcnic_adapter *adapter)
if (!ahw->intr_tbl)
return -ENOMEM;
if (!(adapter->flags & QLCNIC_MSIX_ENABLED))
if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
if (adapter->ahw->pci_func >= QLC_MAX_LEGACY_FUNC_SUPP) {
dev_err(&adapter->pdev->dev, "PCI function number 8 and higher are not supported with legacy interrupt, func 0x%x\n",
ahw->pci_func);
return -EOPNOTSUPP;
}
qlcnic_83xx_enable_legacy(adapter);
}
for (i = 0; i < num_msix; i++) {
if (adapter->flags & QLCNIC_MSIX_ENABLED)

3
drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
View File

@ -2532,6 +2532,9 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
case -ENOMEM:
dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n");
goto err_out_free_hw;
case -EOPNOTSUPP:
dev_err(&pdev->dev, "Adapter initialization failed\n");
goto err_out_free_hw;
default:
dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n");
goto err_out_maintenance_mode;