bridge br_multicast: Make functions less ipv4 dependent.

Introduce struct br_ip{} to store ip address and protocol
and make functions more generic so that we can support
both IPv4 and IPv6 with less pain.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>

1 files changed, 10 insertions, 2 deletions

diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 63181e4a2a67..45d11e49fbbb 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -45,6 +45,14 @@ struct mac_addr
         unsigned char   addr[6];
 };
 
+struct br_ip
+{
+        union {
+                __be32  ip4;
+        } u;
+        __be16          proto;
+};
+
 struct net_bridge_fdb_entry
 {
         struct hlist_node               hlist;
@@ -64,7 +72,7 @@ struct net_bridge_port_group {
         struct rcu_head                 rcu;
         struct timer_list               timer;
         struct timer_list               query_timer;
-        __be32                          addr;
+        struct br_ip                    addr;
         u32                             queries_sent;
 };
 
@@ -77,7 +85,7 @@ struct net_bridge_mdb_entry
         struct rcu_head                 rcu;
         struct timer_list               timer;
         struct timer_list               query_timer;
-        __be32                          addr;
+        struct br_ip                    addr;
         u32                             queries_sent;
 };