mpls: Add definition for IPPROTO_MPLS

Add uapi define for MPLS over IP.

Acked-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/uapi/linux/in.h b/include/uapi/linux/in.h
index 589ced069e8a..641338bef651 100644
--- a/include/uapi/linux/in.h
+++ b/include/uapi/linux/in.h
@@ -69,6 +69,8 @@ enum {
 #define IPPROTO_SCTP            IPPROTO_SCTP
   IPPROTO_UDPLITE = 136,        /* UDP-Lite (RFC 3828)                  */
 #define IPPROTO_UDPLITE         IPPROTO_UDPLITE
+  IPPROTO_MPLS = 137,           /* MPLS in IP (RFC 4023)                */
+#define IPPROTO_MPLS            IPPROTO_MPLS
   IPPROTO_RAW = 255,            /* Raw IP packets                       */
 #define IPPROTO_RAW             IPPROTO_RAW
   IPPROTO_MAX