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bridge: add missing vid to br_mdb_get()

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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>
This commit is contained in:
Cong Wang 2013-03-07 03:05:33 +00:00 committed by David S. Miller
parent c10cb5fc0f
commit fbca58a224
4 changed files with 6 additions and 5 deletions
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2
net/bridge/br_device.c
View File

@ -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

2
net/bridge/br_input.c
View File

@ -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))

3
net/bridge/br_multicast.c
View File

@ -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):

4
net/bridge/br_private.h
View File

@ -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;
}