From: Jiri Pirko <jiri@resnulli.us>
To: netdev@vger.kernel.org
Cc: davem@davemloft.net, edumazet@google.com, jhs@mojatatu.com,
kuznet@ms2.inr.ac.ru, j.vimal@gmail.com
Subject: [patch net-next v3 08/11] tbf: fix value set for q->ptokens
Date: Sat, 9 Feb 2013 17:45:09 +0100 [thread overview]
Message-ID: <1360428312-1277-9-git-send-email-jiri@resnulli.us> (raw)
In-Reply-To: <1360428312-1277-1-git-send-email-jiri@resnulli.us>
q->ptokens is in ns and we are assigning q->mtu directly to it. That is
wrong. psched_l2t_ns() should be used to compute correct value.
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
---
net/sched/sch_tbf.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/net/sched/sch_tbf.c b/net/sched/sch_tbf.c
index dc562a8..6e8b670 100644
--- a/net/sched/sch_tbf.c
+++ b/net/sched/sch_tbf.c
@@ -165,8 +165,8 @@ static struct sk_buff *tbf_dequeue(struct Qdisc *sch)
if (q->peak_present) {
ptoks = toks + q->ptokens;
- if (ptoks > (long)q->mtu)
- ptoks = q->mtu;
+ if (ptoks > (s64) psched_l2t_ns(&q->peak, q->mtu))
+ ptoks = (s64) psched_l2t_ns(&q->peak, q->mtu);
ptoks -= (s64) psched_l2t_ns(&q->peak, len);
}
toks += q->tokens;
@@ -215,7 +215,8 @@ static void tbf_reset(struct Qdisc *sch)
sch->q.qlen = 0;
q->t_c = ktime_to_ns(ktime_get());
q->tokens = q->buffer;
- q->ptokens = q->mtu;
+ if (q->peak_present)
+ q->ptokens = (s64) psched_l2t_ns(&q->peak, q->mtu);
qdisc_watchdog_cancel(&q->watchdog);
}
@@ -296,11 +297,11 @@ static int tbf_change(struct Qdisc *sch, struct nlattr *opt)
q->max_size = max_size;
q->buffer = PSCHED_TICKS2NS(qopt->buffer);
q->tokens = q->buffer;
- q->ptokens = q->mtu;
psched_ratecfg_precompute(&q->rate, rtab->rate.rate);
if (ptab) {
psched_ratecfg_precompute(&q->peak, ptab->rate.rate);
+ q->ptokens = (s64) psched_l2t_ns(&q->peak, q->mtu);
q->peak_present = true;
} else {
q->peak_present = false;
--
1.8.1.2
next prev parent reply other threads:[~2013-02-09 16:45 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-09 16:45 [patch net-next v3 00/11] couple of net/sched fixes+improvements Jiri Pirko
2013-02-09 16:45 ` [patch net-next v3 01/11] htb: use PSCHED_TICKS2NS() Jiri Pirko
2013-02-09 16:45 ` [patch net-next v3 02/11] htb: fix values in opt dump Jiri Pirko
2013-02-09 16:45 ` [patch net-next v3 03/11] htb: remove pointless first initialization of buffer and cbuffer Jiri Pirko
2013-02-09 16:45 ` [patch net-next v3 04/11] htb: initialize cl->tokens and cl->ctokens correctly Jiri Pirko
2013-02-09 16:45 ` [patch net-next v3 05/11] sch: make htb_rate_cfg and functions around that generic Jiri Pirko
2013-02-09 16:45 ` [patch net-next v3 06/11] tbf: improved accuracy at high rates Jiri Pirko
2013-02-09 16:45 ` [patch net-next v3 07/11] tbf: ignore max_size check for gso skbs Jiri Pirko
2013-02-09 16:45 ` Jiri Pirko [this message]
2013-02-10 1:30 ` [patch net-next v3 08/11] tbf: fix value set for q->ptokens Eric Dumazet
2013-02-10 8:18 ` Jiri Pirko
2013-02-10 8:21 ` Eric Dumazet
2013-02-10 8:51 ` Jiri Pirko
2013-02-10 18:00 ` Eric Dumazet
2013-02-10 18:37 ` Jiri Pirko
2013-02-09 16:45 ` [patch net-next v3 09/11] act_police: move struct tcf_police to act_police.c Jiri Pirko
2013-02-09 16:45 ` [patch net-next v3 10/11] act_police: improved accuracy at high rates Jiri Pirko
2013-02-10 1:33 ` Eric Dumazet
2013-02-09 16:45 ` [patch net-next v3 11/11] act_police: remove <=mtu check for gso skbs Jiri Pirko
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