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Commit 2f6a0260 authored by Ivan Vecera's avatar Ivan Vecera Committed by David S. Miller
Browse files

be2net: fix vfs enumeration 



Current VFs enumeration algorithm used in be_find_vfs does not take domain
number into the match. The match found in igb/ixgbe is more elegant and
safe.

This 2nd version uses pci_physfn instead of checking dev->physfn directly.

Signed-off-by: default avatarIvan Vecera <ivecera@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f4b549a5

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

+2 −4
Original line number Diff line number Diff line
@@ -1075,7 +1075,7 @@ static int be_set_vf_tx_rate(struct net_device *netdev, 
static int be_find_vfs(struct be_adapter *adapter, int vf_state)

{

	struct pci_dev *dev, *pdev = adapter->pdev;

	int vfs = 0, assigned_vfs = 0, pos, vf_fn;

	int vfs = 0, assigned_vfs = 0, pos;

	u16 offset, stride;



	pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV);
@@ -1086,9 +1086,7 @@ static int be_find_vfs(struct be_adapter *adapter, int vf_state) 


	dev = pci_get_device(pdev->vendor, PCI_ANY_ID, NULL);

	while (dev) {

		vf_fn = (pdev->devfn + offset + stride * vfs) & 0xFFFF;

		if (dev->is_virtfn && dev->devfn == vf_fn &&

			dev->bus->number == pdev->bus->number) {

		if (dev->is_virtfn && pci_physfn(dev) == pdev) {

			vfs++;

			if (dev->dev_flags & PCI_DEV_FLAGS_ASSIGNED)

				assigned_vfs++;