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net: Kill plain NET_XMIT_BYPASS.

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dst_input() was doing something completely absurd, looping
on skb->dst->input() if NET_XMIT_BYPASS was seen, but these
functions never return such an error.

And as a result plain ole' NET_XMIT_BYPASS has no more
references and can be completely killed off.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2008-08-04 23:04:08 -07:00
parent c27f339af9
commit cc6533e98a
2 changed files with 1 additions and 14 deletions
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3
include/linux/netdevice.h
View file

@ -61,9 +61,6 @@ struct wireless_dev;
#define NET_XMIT_DROP 1 /* skb dropped */
#define NET_XMIT_CN 2 /* congestion notification */
#define NET_XMIT_POLICED 3 /* skb is shot by police */
#define NET_XMIT_BYPASS 4 /* packet does not leave via dequeue;
(TC use only - dev_queue_xmit
returns this as NET_XMIT_SUCCESS) */
#define NET_XMIT_MASK 0xFFFF /* qdisc flags in net/sch_generic.h */
/* Backlog congestion levels */

12
include/net/dst.h
View file

@ -252,17 +252,7 @@ static inline int dst_output(struct sk_buff *skb)
/* Input packet from network to transport. */
static inline int dst_input(struct sk_buff *skb)
{
int err;
for (;;) {
err = skb->dst->input(skb);
if (likely(err == 0))
return err;
/* Oh, Jamal... Seems, I will not forgive you this mess. :-) */
if (unlikely(err != NET_XMIT_BYPASS))
return err;
}
return skb->dst->input(skb);
}
static inline struct dst_entry *dst_check(struct dst_entry *dst, u32 cookie)