ip_tunnel: Add dont fragment flag.

This flag will be used by ovs tunneling.

Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h
index 32e130b..10bbb42 100644 (file)
--- a/include/net/ip_tunnels.h
+++ b/include/net/ip_tunnels.h
@@ -73,6 +73,7 @@ struct ip_tunnel {
 #define TUNNEL_REC     __cpu_to_be16(0x20)
 #define TUNNEL_VERSION __cpu_to_be16(0x40)
 #define TUNNEL_NO_KEY  __cpu_to_be16(0x80)
+#define TUNNEL_DONT_FRAGMENT    __cpu_to_be16(0x0100)
 
 struct tnl_ptk_info {
        __be16 flags;