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| author | Alex Williamson <alex.williamson@hp.com> | 2009-02-04 16:36:34 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-02-04 16:36:34 -0800 |
| commit | 9c46f6d42f1b5627c49a5906cb5b315ad8716ff0 (patch) | |
| tree | 15ecb8c7d501407d45100ff78e6a2580750d0245 /drivers/net/virtio_net.c | |
| parent | 0bde95690d65653e420d04856c5d5783155c747c (diff) | |
| download | blackbird-op-linux-9c46f6d42f1b5627c49a5906cb5b315ad8716ff0.tar.gz blackbird-op-linux-9c46f6d42f1b5627c49a5906cb5b315ad8716ff0.zip | |
virtio_net: Allow setting the MAC address of the NIC
Many physical NICs let the OS re-program the "hardware" MAC
address. Virtual NICs should allow this too.
Signed-off-by: Alex Williamson <alex.williamson@hp.com>
Acked-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/virtio_net.c')
| -rw-r--r-- | drivers/net/virtio_net.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index e68813a246db..3d0033920224 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -565,6 +565,22 @@ stop_queue: goto done; } +static int virtnet_set_mac_address(struct net_device *dev, void *p) +{ + struct virtnet_info *vi = netdev_priv(dev); + struct virtio_device *vdev = vi->vdev; + int ret; + + ret = eth_mac_addr(dev, p); + if (ret) + return ret; + + vdev->config->set(vdev, offsetof(struct virtio_net_config, mac), + dev->dev_addr, dev->addr_len); + + return 0; +} + #ifdef CONFIG_NET_POLL_CONTROLLER static void virtnet_netpoll(struct net_device *dev) { @@ -774,7 +790,7 @@ static const struct net_device_ops virtnet_netdev = { .ndo_stop = virtnet_close, .ndo_start_xmit = start_xmit, .ndo_validate_addr = eth_validate_addr, - .ndo_set_mac_address = eth_mac_addr, + .ndo_set_mac_address = virtnet_set_mac_address, .ndo_set_rx_mode = virtnet_set_rx_mode, .ndo_change_mtu = virtnet_change_mtu, .ndo_vlan_rx_add_vid = virnet_vlan_rx_add_vid, @@ -860,8 +876,11 @@ static int virtnet_probe(struct virtio_device *vdev) vdev->config->get(vdev, offsetof(struct virtio_net_config, mac), dev->dev_addr, dev->addr_len); - } else + } else { random_ether_addr(dev->dev_addr); + vdev->config->set(vdev, offsetof(struct virtio_net_config, mac), + dev->dev_addr, dev->addr_len); + } /* Set up our device-specific information */ vi = netdev_priv(dev); |
