vxlan: add ipv6 support

This patch adds IPv6 support to vxlan device, as the new version
RFC already mentions it:

   http://tools.ietf.org/html/draft-mahalingam-dutt-dcops-vxlan-03

Cc: David Stevens <dlstevens@us.ibm.com>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 3 insertions, 1 deletions

diff --git a/include/net/vxlan.h b/include/net/vxlan.h
index ad342e3688a0..d2b88cafa7a2 100644
--- a/include/net/vxlan.h
+++ b/include/net/vxlan.h
@@ -25,7 +25,7 @@ struct vxlan_sock {
 
 struct vxlan_sock *vxlan_sock_add(struct net *net, __be16 port,
                                   vxlan_rcv_t *rcv, void *data,
-                                  bool no_share);
+                                  bool no_share, bool ipv6);
 
 void vxlan_sock_release(struct vxlan_sock *vs);
 
diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index 04c0e7a5d484..80394e8dc3a3 100644
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -314,6 +314,8 @@ enum {
         IFLA_VXLAN_L2MISS,
         IFLA_VXLAN_L3MISS,
         IFLA_VXLAN_PORT,        /* destination port */
+        IFLA_VXLAN_GROUP6,
+        IFLA_VXLAN_LOCAL6,
         __IFLA_VXLAN_MAX
 };
 #define IFLA_VXLAN_MAX  (__IFLA_VXLAN_MAX - 1)