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authorHawkins Jiawei <yin31149@gmail.com>2023-07-23 20:09:11 +0800
committerMichael S. Tsirkin <mst@redhat.com>2023-10-04 04:54:07 -0400
commit06b636a1e2ad12ab130edcbb0ccf995118440706 (patch)
treee82fe9d4a9b6ced2df672bf5d320500329fe8ef4 /hw/net
parentf92a2d61cd86fd585b1b2a57295fcde278aebd78 (diff)
virtio-net: do not reset vlan filtering at set_features
This function is called after virtio_load, so all vlan configuration is lost in migration case. Just allow all the vlan-tagged packets if vlan is not configured, and trust device reset to clear all filtered vlans. Fixes: 0b1eaa8803 ("virtio-net: Do not filter VLANs without F_CTRL_VLAN") Signed-off-by: Eugenio PĂ©rez <eperezma@redhat.com> Reviewed-by: Hawkins Jiawei <yin31149@gmail.com> Signed-off-by: Hawkins Jiawei <yin31149@gmail.com> Message-Id: <95af0d013281282f48ad3f47f6ad1ac4ca9e52eb.1690106284.git.yin31149@gmail.com> Tested-by: Lei Yang <leiyang@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.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index 5a0201c423..1c31374334 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -1029,9 +1029,7 @@ static void virtio_net_set_features(VirtIODevice *vdev, uint64_t features)
vhost_net_save_acked_features(nc->peer);
}
- if (virtio_has_feature(features, VIRTIO_NET_F_CTRL_VLAN)) {
- memset(n->vlans, 0, MAX_VLAN >> 3);
- } else {
+ if (!virtio_has_feature(features, VIRTIO_NET_F_CTRL_VLAN)) {
memset(n->vlans, 0xff, MAX_VLAN >> 3);
}