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bridge: vlan dst_metadata hooks in ingress and egress paths

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- ingress hook:
    - if port is a tunnel port, use tunnel info in
      attached dst_metadata to map it to a local vlan
- egress hook:
    - if port is a tunnel port, use tunnel info attached to
      vlan to set dst_metadata on the skb

CC: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Roopa Prabhu
2017-01-31 22:59:55 -08:00
committed by David S. Miller
parent efa5356b0d
commit 11538d039a
6 changed files with 82 additions and 2 deletions
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7
net/bridge/br_vlan.c
View File

@@ -341,6 +341,7 @@ static void __vlan_flush(struct net_bridge_vlan_group *vg)
}
struct sk_buff *br_handle_vlan(struct net_bridge *br,
const struct net_bridge_port *p,
struct net_bridge_vlan_group *vg,
struct sk_buff *skb)
{
@@ -381,6 +382,12 @@ struct sk_buff *br_handle_vlan(struct net_bridge *br,
if (v->flags & BRIDGE_VLAN_INFO_UNTAGGED)
skb->vlan_tci = 0;
if (p && (p->flags & BR_VLAN_TUNNEL) &&
br_handle_egress_vlan_tunnel(skb, v)) {
kfree_skb(skb);
return NULL;
}
out:
return skb;
}