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net_sched: factorize qdisc stats handling

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HTB takes into account skb is segmented in stats updates.
Generalize this to all schedulers.

They should use qdisc_bstats_update() helper instead of manipulating
bstats.bytes and bstats.packets

Add bstats_update() helper too for classes that use
gnet_stats_basic_packed fields.

Note : Right now, TCQ_F_CAN_BYPASS shortcurt can be taken only if no
stab is setup on qdisc.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2011-01-09 08:30:54 +00:00
committed by David S. Miller
parent f1593d2298
commit bfe0d0298f
24 changed files with 50 additions and 72 deletions
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3
net/sched/act_pedit.c
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@@ -187,8 +187,7 @@ static int tcf_pedit(struct sk_buff *skb, struct tc_action *a,
bad:
p->tcf_qstats.overlimits++;
done:
p->tcf_bstats.bytes += qdisc_pkt_len(skb);
p->tcf_bstats.packets++;
bstats_update(&p->tcf_bstats, skb);
spin_unlock(&p->tcf_lock);
return p->tcf_action;
}