Merge tag 'iommu-fixes-v4.20-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git...

[sfrench/cifs-2.6.git] / net / sched / sch_fq.c

diff --git a/net/sched/sch_fq.c b/net/sched/sch_fq.c
index 4b1af706896c07e5a0fe6d542dfcd530acdcf8f5..25a7cf6d380fd1ef5610a43a06dea488121b8206 100644 (file)
--- 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;