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be2net: fix max VFs reported by HW

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BE3 FW allocates VF resources for upto 30 VFs per PF while a max value of 32
may be reported via PCI config space. Fix this in the driver.

Signed-off-by: Vasundhara Volam <vasundhara.volam@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vasundhara Volam 2012-08-28 20:37:41 +00:00 committed by David S. Miller
parent 4cbdaf6d52
commit 7c5a524221
2 changed files with 3 additions and 0 deletions
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1
drivers/net/ethernet/emulex/benet/be.h
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@ -110,6 +110,7 @@ static inline char *nic_name(struct pci_dev *pdev)
#define MAX_RX_POST BE_NAPI_WEIGHT /* Frags posted at a time */
#define RX_FRAGS_REFILL_WM (RX_Q_LEN - MAX_RX_POST)
#define MAX_VFS 30 /* Max VFs supported by BE3 FW */
#define FW_VER_LEN 32
struct be_dma_mem {

2
drivers/net/ethernet/emulex/benet/be_main.c
View file

@ -2723,6 +2723,8 @@ static int be_get_config(struct be_adapter *adapter)
if (pos) {
pci_read_config_word(adapter->pdev, pos + PCI_SRIOV_TOTAL_VF,
&dev_num_vfs);
if (!lancer_chip(adapter))
dev_num_vfs = min_t(u16, dev_num_vfs, MAX_VFS);
adapter->dev_num_vfs = dev_num_vfs;
}
return 0;