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authorStefan Fritsch <sf@sfritsch.de>2014-03-26 18:29:52 +0800
committerMichael S. Tsirkin <mst@redhat.com>2014-03-26 12:48:21 +0200
commit0b1eaa8803e680de9a05727355dfe3d306b81e17 (patch)
tree672bb5c5cf256056f85b278b7ba3751c4ea12616 /hw/net
parent53a786acac7b4d53288d603504021d928f734513 (diff)
virtio-net: Do not filter VLANs without F_CTRL_VLAN
If VIRTIO_NET_F_CTRL_VLAN is not negotiated, do not filter out all VLAN-tagged packets but send them to the guest. This fixes VLANs with OpenBSD guests (and probably NetBSD, too, because the OpenBSD driver started as a port from NetBSD). Signed-off-by: Stefan Fritsch <sf@sfritsch.de> Signed-off-by: Amos Kong <akong@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/net')
-rw-r--r--hw/net/virtio-net.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index fd23c4627e..33fb7992c6 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -514,6 +514,12 @@ static void virtio_net_set_features(VirtIODevice *vdev, uint32_t features)
}
vhost_net_ack_features(tap_get_vhost_net(nc->peer), features);
}
+
+ if ((1 << VIRTIO_NET_F_CTRL_VLAN) & features) {
+ memset(n->vlans, 0, MAX_VLAN >> 3);
+ } else {
+ memset(n->vlans, 0xff, MAX_VLAN >> 3);
+ }
}
static int virtio_net_handle_rx_mode(VirtIONet *n, uint8_t cmd,