bridge: notify mdb changes via netlink

As Stephen mentioned, we need to monitor the mdb
changes in user-space, so add notifications via netlink too.

Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Stephen Hemminger <shemminger@vyatta.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Thomas Graf <tgraf@suug.ch>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 6 insertions, 0 deletions

diff --git a/include/uapi/linux/rtnetlink.h b/include/uapi/linux/rtnetlink.h
index 354a1e7d32a3..7a5eb196ade9 100644
--- a/include/uapi/linux/rtnetlink.h
+++ b/include/uapi/linux/rtnetlink.h
@@ -125,6 +125,10 @@ enum {
         RTM_GETNETCONF = 82,
 #define RTM_GETNETCONF RTM_GETNETCONF
 
+        RTM_NEWMDB = 84,
+#define RTM_NEWMDB RTM_NEWMDB
+        RTM_DELMDB = 85,
+#define RTM_DELMDB RTM_DELMDB
         RTM_GETMDB = 86,
 #define RTM_GETMDB RTM_GETMDB
 
@@ -607,6 +611,8 @@ enum rtnetlink_groups {
 #define RTNLGRP_IPV4_NETCONF    RTNLGRP_IPV4_NETCONF
         RTNLGRP_IPV6_NETCONF,
 #define RTNLGRP_IPV6_NETCONF    RTNLGRP_IPV6_NETCONF
+        RTNLGRP_MDB,
+#define RTNLGRP_MDB             RTNLGRP_MDB
         __RTNLGRP_MAX
 };
 #define RTNLGRP_MAX     (__RTNLGRP_MAX - 1)