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authorHerbert Xu <herbert@gondor.apana.org.au>2010-02-27 19:41:48 +0000
committerDavid S. Miller <davem@davemloft.net>2010-02-28 00:49:45 -0800
commitc4fcb78cf8ae55667809e54e54872a21025dd073 (patch)
tree3c0319c853f6275494d60f32fc8ade12532f13a6 /net/bridge/br_device.c
parent3fe2d7c70b747d5d968f4e8fa210676d49d40059 (diff)
bridge: Add multicast data-path hooks
This patch finally hooks up the multicast snooping module to the data path. In particular, all multicast packets passing through the bridge are fed into the module and switched by it. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge/br_device.c')
-rw-r--r--net/bridge/br_device.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index 91dffe7574d..eb7062d2e9e 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -25,6 +25,7 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
struct net_bridge *br = netdev_priv(dev);
const unsigned char *dest = skb->data;
struct net_bridge_fdb_entry *dst;
+ struct net_bridge_mdb_entry *mdst;
BR_INPUT_SKB_CB(skb)->brdev = dev;
@@ -34,13 +35,21 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
skb_reset_mac_header(skb);
skb_pull(skb, ETH_HLEN);
- if (dest[0] & 1)
- br_flood_deliver(br, skb);
- else if ((dst = __br_fdb_get(br, dest)) != NULL)
+ if (dest[0] & 1) {
+ if (br_multicast_rcv(br, NULL, skb))
+ goto out;
+
+ mdst = br_mdb_get(br, skb);
+ if (mdst || BR_INPUT_SKB_CB(skb)->mrouters_only)
+ br_multicast_deliver(mdst, skb);
+ else
+ br_flood_deliver(br, skb);
+ } else if ((dst = __br_fdb_get(br, dest)) != NULL)
br_deliver(dst->dst, skb);
else
br_flood_deliver(br, skb);
+out:
return NETDEV_TX_OK;
}