diff options
Diffstat (limited to 'drivers/net/virtio_net.c')
| -rw-r--r-- | drivers/net/virtio_net.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index daab9c9b0a4..e68813a246d 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -727,6 +727,30 @@ static void virtnet_set_rx_mode(struct net_device *dev) kfree(buf); } +static void virnet_vlan_rx_add_vid(struct net_device *dev, u16 vid) +{ + struct virtnet_info *vi = netdev_priv(dev); + struct scatterlist sg; + + sg_set_buf(&sg, &vid, sizeof(vid)); + + if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_VLAN, + VIRTIO_NET_CTRL_VLAN_ADD, &sg, 1, 0)) + dev_warn(&dev->dev, "Failed to add VLAN ID %d.\n", vid); +} + +static void virnet_vlan_rx_kill_vid(struct net_device *dev, u16 vid) +{ + struct virtnet_info *vi = netdev_priv(dev); + struct scatterlist sg; + + sg_set_buf(&sg, &vid, sizeof(vid)); + + if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_VLAN, + VIRTIO_NET_CTRL_VLAN_DEL, &sg, 1, 0)) + dev_warn(&dev->dev, "Failed to kill VLAN ID %d.\n", vid); +} + static struct ethtool_ops virtnet_ethtool_ops = { .set_tx_csum = virtnet_set_tx_csum, .set_sg = ethtool_op_set_sg, @@ -753,6 +777,8 @@ static const struct net_device_ops virtnet_netdev = { .ndo_set_mac_address = eth_mac_addr, .ndo_set_rx_mode = virtnet_set_rx_mode, .ndo_change_mtu = virtnet_change_mtu, + .ndo_vlan_rx_add_vid = virnet_vlan_rx_add_vid, + .ndo_vlan_rx_kill_vid = virnet_vlan_rx_kill_vid, #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = virtnet_netpoll, #endif @@ -877,6 +903,9 @@ static int virtnet_probe(struct virtio_device *vdev) err = PTR_ERR(vi->svq); goto free_send; } + + if (virtio_has_feature(vi->vdev, VIRTIO_NET_F_CTRL_VLAN)) + dev->features |= NETIF_F_HW_VLAN_FILTER; } /* Initialize our empty receive and send queues. */ @@ -967,7 +996,7 @@ static unsigned int features[] = { VIRTIO_NET_F_HOST_ECN, VIRTIO_NET_F_GUEST_TSO4, VIRTIO_NET_F_GUEST_TSO6, VIRTIO_NET_F_GUEST_ECN, /* We don't yet handle UFO input. */ VIRTIO_NET_F_MRG_RXBUF, VIRTIO_NET_F_STATUS, VIRTIO_NET_F_CTRL_VQ, - VIRTIO_NET_F_CTRL_RX, + VIRTIO_NET_F_CTRL_RX, VIRTIO_NET_F_CTRL_VLAN, VIRTIO_F_NOTIFY_ON_EMPTY, }; |