bridge: add missing vid to br_mdb_get()

Obviously, vid should be considered when searching for multicast
group.

Cc: Vlad Yasevich <vyasevic@redhat.com>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Acked-by: Vlad Yasevich <vyasevich@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index d5f1d3f..314c73e 100644 (file)
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -66,7 +66,7 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
                        goto out;
                }
 
-               mdst = br_mdb_get(br, skb);
+               mdst = br_mdb_get(br, skb, vid);
                if (mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb))
                        br_multicast_deliver(mdst, skb);
                else

diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index 4803301..828e2bc 100644 (file)
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -97,7 +97,7 @@ int br_handle_frame_finish(struct sk_buff *skb)
        if (is_broadcast_ether_addr(dest))
                skb2 = skb;
        else if (is_multicast_ether_addr(dest)) {
-               mdst = br_mdb_get(br, skb);
+               mdst = br_mdb_get(br, skb, vid);
                if (mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb)) {
                        if ((mdst && mdst->mglist) ||
                            br_multicast_is_router(br))

diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 10e6fce..923fbea 100644 (file)
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -132,7 +132,7 @@ static struct net_bridge_mdb_entry *br_mdb_ip6_get(
 #endif
 
 struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br,
-                                       struct sk_buff *skb)
+                                       struct sk_buff *skb, u16 vid)
 {
        struct net_bridge_mdb_htable *mdb = rcu_dereference(br->mdb);
        struct br_ip ip;
@@ -144,6 +144,7 @@ struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br,
                return NULL;
 
        ip.proto = skb->protocol;
+       ip.vid = vid;
 
        switch (skb->protocol) {
        case htons(ETH_P_IP):

diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 6d314c4..3cbf5be 100644 (file)
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -442,7 +442,7 @@ extern int br_multicast_rcv(struct net_bridge *br,
                            struct net_bridge_port *port,
                            struct sk_buff *skb);
 extern struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br,
-                                              struct sk_buff *skb);
+                                              struct sk_buff *skb, u16 vid);
 extern void br_multicast_add_port(struct net_bridge_port *port);
 extern void br_multicast_del_port(struct net_bridge_port *port);
 extern void br_multicast_enable_port(struct net_bridge_port *port);
@@ -504,7 +504,7 @@ static inline int br_multicast_rcv(struct net_bridge *br,
 }
 
 static inline struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br,
-                                                     struct sk_buff *skb)
+                                                     struct sk_buff *skb, u16 vid)
 {
        return NULL;
 }