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-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c28
1 files changed, 18 insertions, 10 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
index c45de53300aa..58897d97412e 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
@@ -1347,18 +1347,26 @@ void ixgbe_ping_all_vfs(struct ixgbe_adapter *adapter)
int ixgbe_ndo_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
{
struct ixgbe_adapter *adapter = netdev_priv(netdev);
- if (!is_valid_ether_addr(mac) || (vf >= adapter->num_vfs))
+
+ if (vf >= adapter->num_vfs)
+ return -EINVAL;
+
+ if (is_zero_ether_addr(mac)) {
+ adapter->vfinfo[vf].pf_set_mac = false;
+ dev_info(&adapter->pdev->dev, "removing MAC on VF %d\n", vf);
+ } else if (is_valid_ether_addr(mac)) {
+ adapter->vfinfo[vf].pf_set_mac = true;
+ dev_info(&adapter->pdev->dev, "setting MAC %pM on VF %d\n",
+ mac, vf);
+ dev_info(&adapter->pdev->dev, "Reload the VF driver to make this change effective.");
+ if (test_bit(__IXGBE_DOWN, &adapter->state)) {
+ dev_warn(&adapter->pdev->dev, "The VF MAC address has been set, but the PF device is not up.\n");
+ dev_warn(&adapter->pdev->dev, "Bring the PF device up before attempting to use the VF device.\n");
+ }
+ } else {
return -EINVAL;
- adapter->vfinfo[vf].pf_set_mac = true;
- dev_info(&adapter->pdev->dev, "setting MAC %pM on VF %d\n", mac, vf);
- dev_info(&adapter->pdev->dev, "Reload the VF driver to make this"
- " change effective.");
- if (test_bit(__IXGBE_DOWN, &adapter->state)) {
- dev_warn(&adapter->pdev->dev, "The VF MAC address has been set,"
- " but the PF device is not up.\n");
- dev_warn(&adapter->pdev->dev, "Bring the PF device up before"
- " attempting to use the VF device.\n");
}
+
return ixgbe_set_vf_mac(adapter, vf, mac);
}