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From: Michal Soltys <soltys@ziu.info>
To: davem@davemloft.net
Cc: netdev@vger.kernel.org, kaber@trash.net
Subject: [net-next PATCH 5/5] net/sched/sch_hfsc.c: anchor virtual curve at proper vt in hfsc_change_fsc()
Date: Thu, 30 Jun 2016 02:26:48 +0200	[thread overview]
Message-ID: <1467246408-913-6-git-send-email-soltys@ziu.info> (raw)
In-Reply-To: <1467246408-913-1-git-send-email-soltys@ziu.info>

cl->cl_vt alone is relative only to the current backlog period, while
the curve operates on cumulative virtual time. This patch adds missing
cl->cl_vtoff.

Signed-off-by: Michal Soltys <soltys@ziu.info>
---
 net/sched/sch_hfsc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index 4eef857..dff92ea 100644
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -940,7 +940,7 @@ static void
 hfsc_change_fsc(struct hfsc_class *cl, struct tc_service_curve *fsc)
 {
 	sc2isc(fsc, &cl->cl_fsc);
-	rtsc_init(&cl->cl_virtual, &cl->cl_fsc, cl->cl_vt, cl->cl_total);
+	rtsc_init(&cl->cl_virtual, &cl->cl_fsc, cl->cl_vtoff + cl->cl_vt, cl->cl_total);
 	cl->cl_flags |= HFSC_FSC;
 }
 
-- 
2.1.3

  parent reply	other threads:[~2016-06-30  0:27 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-30  0:26 [net-next PATCH 0/5] HFSC patches, part 1 Michal Soltys
2016-06-30  0:26 ` [net-next PATCH 1/5] net/sched/sch_hfsc.c: handle corner cases where head may change invalidating calculated deadline Michal Soltys
2016-06-30  0:26 ` [net-next PATCH 2/5] net/sched/sch_hfsc.c: add unlikely() in qdisc_peek_len() Michal Soltys
2016-06-30  0:26 ` [net-next PATCH 3/5] net/sched/sch_hfsc.c: remove leftover dlist and droplist Michal Soltys
2016-06-30  0:26 ` [net-next PATCH 4/5] net/sched/sch_hfsc.c: go passive after vt update Michal Soltys
2016-06-30  0:26 ` Michal Soltys [this message]
2016-07-01  9:07 ` [net-next PATCH 0/5] HFSC patches, part 1 David Miller

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