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authorSage Weil <sage@inktank.com>2013-08-15 11:11:45 -0700
committerSage Weil <sage@inktank.com>2013-08-15 11:11:45 -0700
commitee3e542fec6e69bc9fb668698889a37d93950ddf (patch)
treee74ee766a4764769ef1d3d45d266b4dea64101d3 /net/bridge/br_forward.c
parentfe2a801b50c0bb8039d627e5ae1fec249d10ff39 (diff)
parentf1d6e17f540af37bb1891480143669ba7636c4cf (diff)
Merge remote-tracking branch 'linus/master' into testing
Diffstat (limited to 'net/bridge/br_forward.c')
-rw-r--r--net/bridge/br_forward.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c
index 092b20e4ee4..4b81b147178 100644
--- a/net/bridge/br_forward.c
+++ b/net/bridge/br_forward.c
@@ -174,7 +174,8 @@ out:
static void br_flood(struct net_bridge *br, struct sk_buff *skb,
struct sk_buff *skb0,
void (*__packet_hook)(const struct net_bridge_port *p,
- struct sk_buff *skb))
+ struct sk_buff *skb),
+ bool unicast)
{
struct net_bridge_port *p;
struct net_bridge_port *prev;
@@ -182,6 +183,9 @@ static void br_flood(struct net_bridge *br, struct sk_buff *skb,
prev = NULL;
list_for_each_entry_rcu(p, &br->port_list, list) {
+ /* Do not flood unicast traffic to ports that turn it off */
+ if (unicast && !(p->flags & BR_FLOOD))
+ continue;
prev = maybe_deliver(prev, p, skb, __packet_hook);
if (IS_ERR(prev))
goto out;
@@ -203,16 +207,16 @@ out:
/* called with rcu_read_lock */
-void br_flood_deliver(struct net_bridge *br, struct sk_buff *skb)
+void br_flood_deliver(struct net_bridge *br, struct sk_buff *skb, bool unicast)
{
- br_flood(br, skb, NULL, __br_deliver);
+ br_flood(br, skb, NULL, __br_deliver, unicast);
}
/* called under bridge lock */
void br_flood_forward(struct net_bridge *br, struct sk_buff *skb,
- struct sk_buff *skb2)
+ struct sk_buff *skb2, bool unicast)
{
- br_flood(br, skb, skb2, __br_forward);
+ br_flood(br, skb, skb2, __br_forward, unicast);
}
#ifdef CONFIG_BRIDGE_IGMP_SNOOPING