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bridge: Avoid unnecessary clone on forward path

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When the packet is delivered to the local bridge device we may
end up cloning it unnecessarily if no bridge port can receive
the packet in br_flood.

This patch avoids this by moving the skb_clone into br_flood.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Herbert Xu
2010-02-27 19:41:41 +00:00
committed by David S. Miller
parent 68b7c895be
commit b33084be19
3 changed files with 26 additions and 17 deletions
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3
net/bridge/br_private.h
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@@ -180,7 +180,8 @@ extern void br_forward(const struct net_bridge_port *to,
struct sk_buff *skb);
extern int br_forward_finish(struct sk_buff *skb);
extern void br_flood_deliver(struct net_bridge *br, struct sk_buff *skb);
extern void br_flood_forward(struct net_bridge *br, struct sk_buff *skb);
extern void br_flood_forward(struct net_bridge *br, struct sk_buff *skb,
struct sk_buff *skb2);
/* br_if.c */
extern void br_port_carrier_check(struct net_bridge_port *p);