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i40e: allow zero MAC address for VFs

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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: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Mitch Williams 2015-12-22 15:34:43 -08:00 committed by Jeff Kirsher
parent 2d166c3040
commit efd8e39acc
1 changed files with 6 additions and 5 deletions
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11
drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
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@ -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;
}
@ -2097,9 +2097,10 @@ 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 */
i40e_del_filter(vsi, vf->default_lan_addr.addr,
vf->port_vlan_id ? vf->port_vlan_id : -1,
true, false);
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);
/* Delete all the filters for this VSI - we're going to kill it
* anyway.