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authorJason Gunthorpe <jgg@mellanox.com>2018-12-11 14:24:57 -0700
committerJason Gunthorpe <jgg@mellanox.com>2018-12-11 14:24:57 -0700
commit28ab1bb0e8f031dd7dd3462ff8f6b2e93fc77e7f (patch)
tree3c0d2177d9bfc513c2d06c1efb5ab62c74fd1953 /net/sched/sch_fq.c
parentb874155a5fa450bf5e4b5303cbfff05958805bf8 (diff)
parent40e020c129cfc991e8ab4736d2665351ffd1468d (diff)
Merge tag 'v4.20-rc6' into rdma.git for-next
For dependencies in following patches.
Diffstat (limited to 'net/sched/sch_fq.c')
-rw-r--r--net/sched/sch_fq.c31
1 files changed, 19 insertions, 12 deletions
diff --git a/net/sched/sch_fq.c b/net/sched/sch_fq.c
index 4b1af706896c..25a7cf6d380f 100644
--- a/net/sched/sch_fq.c
+++ b/net/sched/sch_fq.c
@@ -469,22 +469,29 @@ begin:
goto begin;
}
prefetch(&skb->end);
- f->credit -= qdisc_pkt_len(skb);
+ plen = qdisc_pkt_len(skb);
+ f->credit -= plen;
- if (ktime_to_ns(skb->tstamp) || !q->rate_enable)
+ if (!q->rate_enable)
goto out;
rate = q->flow_max_rate;
- if (skb->sk)
- rate = min(skb->sk->sk_pacing_rate, rate);
-
- if (rate <= q->low_rate_threshold) {
- f->credit = 0;
- plen = qdisc_pkt_len(skb);
- } else {
- plen = max(qdisc_pkt_len(skb), q->quantum);
- if (f->credit > 0)
- goto out;
+
+ /* If EDT time was provided for this skb, we need to
+ * update f->time_next_packet only if this qdisc enforces
+ * a flow max rate.
+ */
+ if (!skb->tstamp) {
+ if (skb->sk)
+ rate = min(skb->sk->sk_pacing_rate, rate);
+
+ if (rate <= q->low_rate_threshold) {
+ f->credit = 0;
+ } else {
+ plen = max(plen, q->quantum);
+ if (f->credit > 0)
+ goto out;
+ }
}
if (rate != ~0UL) {
u64 len = (u64)plen * NSEC_PER_SEC;