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Commit efd8e39a authored by Mitch Williams's avatar Mitch Williams Committed by Jeff Kirsher
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i40e: allow zero MAC address for VFs 



Allow the user to specify a zero MAC address for VFs. This removes the
existing MAC address and allows the VF to use a random address. Libvirt
does this normally when removing a VF from a VM.

Signed-off-by: default avatarMitch Williams <mitch.a.williams@intel.com>
Tested-by: default avatarAndrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 2d166c30

drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c

+6 −5
Original line number Diff line number Diff line
@@ -2084,9 +2084,9 @@ int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac) 
		goto error_param;

	}



	if (!is_valid_ether_addr(mac)) {

	if (is_multicast_ether_addr(mac)) {

		dev_err(&pf->pdev->dev,

			"Invalid VF ethernet address\n");

			"Invalid Ethernet address %pM for VF %d\n", mac, vf_id);

		ret = -EINVAL;

		goto error_param;

	}
@@ -2097,6 +2097,7 @@ int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac) 
	spin_lock_bh(&vsi->mac_filter_list_lock);



	/* delete the temporary mac address */

	if (!is_zero_ether_addr(vf->default_lan_addr.addr))

		i40e_del_filter(vsi, vf->default_lan_addr.addr,

				vf->port_vlan_id ? vf->port_vlan_id : -1,

				true, false);