netdev - [PATCH net-next 4/7] net_sched: sch_fq: no longer use skb_is_tcp_pure

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Message-Id: <20181015163758.232436-5-edumazet@google.com>
Date:   Mon, 15 Oct 2018 09:37:55 -0700
From:   Eric Dumazet <edumazet@...gle.com>
To:     "David S . Miller" <davem@...emloft.net>,
        Neal Cardwell <ncardwell@...gle.com>,
        Yuchung Cheng <ycheng@...gle.com>,
        Soheil Hassas Yeganeh <soheil@...gle.com>,
        Gasper Zejn <zelo.zejn@...il.com>
Cc:     netdev <netdev@...r.kernel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Eric Dumazet <eric.dumazet@...il.com>
Subject: [PATCH net-next 4/7] net_sched: sch_fq: no longer use skb_is_tcp_pure_ack()

With the new EDT model, sch_fq no longer has to special
case TCP pure acks, since their skb->tstamp will allow them
being sent without pacing delay.

Signed-off-by: Eric Dumazet <edumazet@...gle.com>
---
 net/sched/sch_fq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sched/sch_fq.c b/net/sched/sch_fq.c
index 3923d14095335df61c270f69e50cb7cbfde4c796..4b1af706896c07e5a0fe6d542dfcd530acdcf8f5 100644
--- a/net/sched/sch_fq.c
+++ b/net/sched/sch_fq.c
@@ -444,7 +444,7 @@ static struct sk_buff *fq_dequeue(struct Qdisc *sch)
 	}
 
 	skb = f->head;
-	if (skb && !skb_is_tcp_pure_ack(skb)) {
+	if (skb) {
 		u64 time_next_packet = max_t(u64, ktime_to_ns(skb->tstamp),
 					     f->time_next_packet);
 
-- 
2.19.0.605.g01d371f741-goog