[PATCH v2 net-next 3/5] net: Add VLAN ID to flow_keys

[Tom Herbert <tom@herbertland.com>]

In flow_dissector set vlan_id in flow_keys when VLAN is found.

Signed-off-by: Tom Herbert <tom@herbertland.com>
---
 include/net/flow_keys.h   | 1 +
 net/core/flow_dissector.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/include/net/flow_keys.h b/include/net/flow_keys.h
index c8bc6aa..14298e2 100644
--- a/include/net/flow_keys.h
+++ b/include/net/flow_keys.h
@@ -26,6 +26,7 @@ struct flow_keys {
 	__be16	n_proto;
 	u8	ip_proto;
 	u8	padding;
+	u32	vlan_id:12;
 
 	union {
 		__be32 ports;
diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c
index 69fbaf9..148b989 100644
--- a/net/core/flow_dissector.c
+++ b/net/core/flow_dissector.c
@@ -143,6 +143,7 @@ ipv6:
 		if (!vlan)
 			return false;
 
+		flow->vlan_id = skb_vlan_tag_get_id(skb);
 		proto = vlan->h_vlan_encapsulated_proto;
 		nhoff += sizeof(*vlan);
 		goto again;
-- 
1.8.1