gre: Support GRE over IPv6

GRE over IPv6 implementation.

Signed-off-by: Dmitry Kozlov <xeb@mail.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/if_tunnel.h b/include/linux/if_tunnel.h
index 5efff60b6f56..8c5035ac3142 100644
--- a/include/linux/if_tunnel.h
+++ b/include/linux/if_tunnel.h
@@ -75,6 +75,9 @@ enum {
         IFLA_GRE_TTL,
         IFLA_GRE_TOS,
         IFLA_GRE_PMTUDISC,
+        IFLA_GRE_ENCAP_LIMIT,
+        IFLA_GRE_FLOWINFO,
+        IFLA_GRE_FLAGS,
         __IFLA_GRE_MAX,
 };