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net_sched: Add qdisc __NET_XMIT_BYPASS flag

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Patrick McHardy <kaber@trash.net> noticed that it would be nice to
handle NET_XMIT_BYPASS by NET_XMIT_SUCCESS with an internal qdisc flag
__NET_XMIT_BYPASS and to remove the mapping from dev_queue_xmit().

David Miller <davem@davemloft.net> spotted a serious bug in the first
version of this patch.

Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jarek Poplawski
2008-08-04 22:39:11 -07:00
committed by David S. Miller
parent 378a2f090f
commit c27f339af9
10 changed files with 19 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
net/sched/sch_cbq.c
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@@ -230,7 +230,7 @@ cbq_classify(struct sk_buff *skb, struct Qdisc *sch, int *qerr)
(cl = cbq_class_lookup(q, prio)) != NULL)
return cl;
*qerr = NET_XMIT_BYPASS;
*qerr = NET_XMIT_SUCCESS | __NET_XMIT_BYPASS;
for (;;) {
int result = 0;
defmap = head->defaults;
@@ -377,7 +377,7 @@ cbq_enqueue(struct sk_buff *skb, struct Qdisc *sch)
q->rx_class = cl;
#endif
if (cl == NULL) {
if (ret == NET_XMIT_BYPASS)
if (ret & __NET_XMIT_BYPASS)
sch->qstats.drops++;
kfree_skb(skb);
return ret;