Small optimizations of bridge forwarding path.
Signed-off-by: Stephen Hemminger <[EMAIL PROTECTED]>
--- br.orig/net/bridge/br_forward.c
+++ br/net/bridge/br_forward.c
@@ -20,14 +20,11 @@
#include <linux/netfilter_bridge.h>
#include "br_private.h"
+/* Don't forward packets to originating port or forwarding diasabled */
static inline int should_deliver(const struct net_bridge_port *p,
const struct sk_buff *skb)
{
- if (skb->dev == p->dev ||
- p->state != BR_STATE_FORWARDING)
- return 0;
-
- return 1;
+ return (skb->dev != p->dev && p->state == BR_STATE_FORWARDING);
}
static inline unsigned packet_length(const struct sk_buff *skb)
@@ -55,10 +52,9 @@ int br_dev_queue_push_xmit(struct sk_buf
int br_forward_finish(struct sk_buff *skb)
{
- NF_HOOK(PF_BRIDGE, NF_BR_POST_ROUTING, skb, NULL, skb->dev,
- br_dev_queue_push_xmit);
+ return NF_HOOK(PF_BRIDGE, NF_BR_POST_ROUTING, skb, NULL, skb->dev,
+ br_dev_queue_push_xmit);
- return 0;
}
static void __br_deliver(const struct net_bridge_port *to, struct sk_buff *skb)
--
-
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