netdev - [PATCH v2] pkt_sched: fq: clear time_next

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Message-ID: <1382916403.4045.17.camel@edumazet-glaptop.roam.corp.google.com>
Date:	Sun, 27 Oct 2013 16:26:43 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	netdev <netdev@...r.kernel.org>
Subject: [PATCH v2] pkt_sched: fq: clear time_next_packet for reused flows

From: Eric Dumazet <edumazet@...gle.com>

When a socket is freed/reallocated, we need to clear time_next_packet
or else we can inherit a prior value and delay first packets of the
new flow.

Signed-off-by: Eric Dumazet <edumazet@...gle.com>
---
v2: wrapping issue

 net/sched/sch_fq.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/net/sched/sch_fq.c b/net/sched/sch_fq.c
index a9dfdda..fdc041c 100644
--- a/net/sched/sch_fq.c
+++ b/net/sched/sch_fq.c
@@ -255,6 +255,7 @@ static struct fq_flow *fq_classify(struct sk_buff *skb, struct fq_sched_data *q)
 				     f->socket_hash != sk->sk_hash)) {
 				f->credit = q->initial_quantum;
 				f->socket_hash = sk->sk_hash;
+				f->time_next_packet = 0ULL;
 			}
 			return f;
 		}


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