openvswitch: Add support for matching on OAM packets.

Some tunnel formats have mechanisms for indicating that packets are
OAM frames that should be handled specially (either as high priority or
not forwarded beyond an endpoint). This provides support for allowing
those types of packets to be matched.

Signed-off-by: Jesse Gross <jesse@nicira.com>
Signed-off-by: Andy Zhou <azhou@nicira.com>
Acked-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/uapi/linux/openvswitch.h b/include/uapi/linux/openvswitch.h
index f7fc507d82ab..7c06106f5af5 100644
--- a/include/uapi/linux/openvswitch.h
+++ b/include/uapi/linux/openvswitch.h
@@ -309,6 +309,7 @@ enum ovs_tunnel_key_attr {
         OVS_TUNNEL_KEY_ATTR_TTL,                /* u8 Tunnel IP TTL. */
         OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT,      /* No argument, set DF. */
         OVS_TUNNEL_KEY_ATTR_CSUM,               /* No argument. CSUM packet. */
+        OVS_TUNNEL_KEY_ATTR_OAM,                /* No argument. OAM frame.  */
         __OVS_TUNNEL_KEY_ATTR_MAX
 };