diff options
| author | Sucheta Chakraborty | 2014-04-25 23:44:00 +0200 |
|---|---|---|
| committer | David S. Miller | 2014-04-28 05:20:53 +0200 |
| commit | aaecf51cf31160262b29a6d50f364f4a76c7ed1e (patch) | |
| tree | 06479eec7d9e0dbcde8007a2e1bf653039fc5249 | |
| parent | qlcnic: Add driver logs in error path. (diff) | |
| download | kernel-qcow2-linux-aaecf51cf31160262b29a6d50f364f4a76c7ed1e.tar.gz kernel-qcow2-linux-aaecf51cf31160262b29a6d50f364f4a76c7ed1e.tar.xz kernel-qcow2-linux-aaecf51cf31160262b29a6d50f364f4a76c7ed1e.zip | |
qlcnic: Limit vNIC support in legacy interrupt mode
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>
| -rw-r--r-- | drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c | 10 | ||||
| -rw-r--r-- | drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c | 3 |
2 files changed, 12 insertions, 1 deletions
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c index 4ea15bafe53f..7c125d7fb547 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c @@ -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) diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c index f2c9a199295d..7023d358baa9 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c @@ -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; |