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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

6
net/sched/sch_prio.c
View File

@@ -38,7 +38,7 @@ prio_classify(struct sk_buff *skb, struct Qdisc *sch, int *qerr)
struct tcf_result res;
int err;
*qerr = NET_XMIT_BYPASS;
*qerr = NET_XMIT_SUCCESS | __NET_XMIT_BYPASS;
if (TC_H_MAJ(skb->priority) != sch->handle) {
err = tc_classify(skb, q->filter_list, &res);
#ifdef CONFIG_NET_CLS_ACT
@@ -74,7 +74,7 @@ prio_enqueue(struct sk_buff *skb, struct Qdisc *sch)
#ifdef CONFIG_NET_CLS_ACT
if (qdisc == NULL) {
if (ret == NET_XMIT_BYPASS)
if (ret & __NET_XMIT_BYPASS)
sch->qstats.drops++;
kfree_skb(skb);
return ret;
@@ -103,7 +103,7 @@ prio_requeue(struct sk_buff *skb, struct Qdisc* sch)
qdisc = prio_classify(skb, sch, &ret);
#ifdef CONFIG_NET_CLS_ACT
if (qdisc == NULL) {
if (ret == NET_XMIT_BYPASS)
if (ret & __NET_XMIT_BYPASS)
sch->qstats.drops++;
kfree_skb(skb);
return ret;