[net] bridge: add missing vid to br_mdb_get()

From: Cong Wang <amwang@redhat.com>

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>

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On 03/07/2013 08:05 AM, Cong Wang wrote:
> From: Cong Wang <amwang@redhat.com>
>
> Obviously, vid should be considered when searching for multicast
> group.
>
> Cc: Vlad Yasevich <vyasevic@redhat.com>

Don't know how I missied that...

Acked-by: Vlad Yasevich <vyasevich@redhat.com>

> Cc: Stephen Hemminger <stephen@networkplumber.org>
> Cc: "David S. Miller" <davem@davemloft.net>
> Signed-off-by: Cong Wang <amwang@redhat.com>
>
> ---
> diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
> index d5f1d3f..314c73e 100644
> --- 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
> --- 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
> --- 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
> --- 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;
>   }
>

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From: Vlad Yasevich <vyasevic@redhat.com>
Date: Thu, 07 Mar 2013 10:18:20 -0500

> On 03/07/2013 08:05 AM, Cong Wang wrote:
>> From: Cong Wang <amwang@redhat.com>
>>
>> Obviously, vid should be considered when searching for multicast
>> group.
>>
>> Cc: Vlad Yasevich <vyasevic@redhat.com>
> 
> Don't know how I missied that...
> 
> Acked-by: Vlad Yasevich <vyasevich@redhat.com>
> 
>> Cc: Stephen Hemminger <stephen@networkplumber.org>
>> Cc: "David S. Miller" <davem@davemloft.net>
>> Signed-off-by: Cong Wang <amwang@redhat.com>

Applied.
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