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Commit 7c5a5242 authored by Vasundhara Volam's avatar Vasundhara Volam Committed by David S. Miller
Browse files

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: default avatarVasundhara Volam <vasundhara.volam@emulex.com>
Signed-off-by: default avatarSathya Perla <sathya.perla@emulex.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4cbdaf6d

drivers/net/ethernet/emulex/benet/be.h

+1 −0
Original line number Diff line number Diff line
@@ -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 {

drivers/net/ethernet/emulex/benet/be_main.c

+2 −0
Original line number Diff line number Diff line
@@ -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;