diff options
Diffstat (limited to 'net/bridge/br_vlan.c')
| -rw-r--r-- | net/bridge/br_vlan.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c index 8249ca764c79..44f31af0b965 100644 --- a/net/bridge/br_vlan.c +++ b/net/bridge/br_vlan.c @@ -174,6 +174,18 @@ bool br_allowed_ingress(struct net_bridge *br, struct net_port_vlans *v, if (!v) return false; + /* If vlan tx offload is disabled on bridge device and frame was + * sent from vlan device on the bridge device, it does not have + * HW accelerated vlan tag. + */ + if (unlikely(!vlan_tx_tag_present(skb) && + (skb->protocol == htons(ETH_P_8021Q) || + skb->protocol == htons(ETH_P_8021AD)))) { + skb = vlan_untag(skb); + if (unlikely(!skb)) + return false; + } + err = br_vlan_get_tag(skb, vid); if (!*vid) { u16 pvid = br_get_pvid(v); |