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authorDavid S. Miller <davem@davemloft.net>2020-03-25 18:58:11 -0700
committerDavid S. Miller <davem@davemloft.net>2020-03-25 18:58:11 -0700
commit9fb16955fb661945ddffce4504dcffbe55cd518a (patch)
treee0811476a96a9411686e24f15a48d63cc6d02e49 /net/sched/sch_cbs.c
parent1f074e677a343afcd852af5ee725bacc937fa6bd (diff)
parent1b649e0bcae71c118c1333e02249a7510ba7f70a (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Overlapping header include additions in macsec.c A bug fix in 'net' overlapping with the removal of 'version' string in ena_netdev.c Overlapping test additions in selftests Makefile Overlapping PCI ID table adjustments in iwlwifi driver. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/sch_cbs.c')
-rw-r--r--net/sched/sch_cbs.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/net/sched/sch_cbs.c b/net/sched/sch_cbs.c
index b2905b03a432..2eaac2ff380f 100644
--- a/net/sched/sch_cbs.c
+++ b/net/sched/sch_cbs.c
@@ -181,6 +181,11 @@ static struct sk_buff *cbs_dequeue_soft(struct Qdisc *sch)
s64 credits;
int len;
+ /* The previous packet is still being sent */
+ if (now < q->last) {
+ qdisc_watchdog_schedule_ns(&q->watchdog, q->last);
+ return NULL;
+ }
if (q->credits < 0) {
credits = timediff_to_credits(now - q->last, q->idleslope);
@@ -212,7 +217,12 @@ static struct sk_buff *cbs_dequeue_soft(struct Qdisc *sch)
credits += q->credits;
q->credits = max_t(s64, credits, q->locredit);
- q->last = now;
+ /* Estimate of the transmission of the last byte of the packet in ns */
+ if (unlikely(atomic64_read(&q->port_rate) == 0))
+ q->last = now;
+ else
+ q->last = now + div64_s64(len * NSEC_PER_SEC,
+ atomic64_read(&q->port_rate));
return skb;
}