From: Vasundhara Volam Date: Tue, 28 Aug 2012 20:37:41 +0000 (+0000) Subject: be2net: fix max VFs reported by HW X-Git-Tag: upstream/snapshot3+hdmi~6565^2~262 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7c5a524221dc3cf599a6aa4773eb0c1e2ca38adb;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git be2net: fix max VFs reported by HW 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 Signed-off-by: Sathya Perla Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h index d266c86..5b622993 100644 --- a/drivers/net/ethernet/emulex/benet/be.h +++ b/drivers/net/ethernet/emulex/benet/be.h @@ -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 { diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index d86d25c..def2f66 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -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;