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authorTom Herbert <therbert@google.com>2011-11-28 16:32:44 +0000
committerDavid S. Miller <davem@davemloft.net>2011-11-29 12:46:19 -0500
commit7346649826382b769cfadf4a2fe8a84d060c55e9 (patch)
tree0241cce453992881f61d3fbc4f9baf7eb0578135 /net/sched/sch_multiq.c
parent75957ba36c05b979701e9ec64b37819adc12f830 (diff)
downloadtalos-op-linux-7346649826382b769cfadf4a2fe8a84d060c55e9.tar.gz
talos-op-linux-7346649826382b769cfadf4a2fe8a84d060c55e9.zip
net: Add queue state xoff flag for stack
Create separate queue state flags so that either the stack or drivers can turn on XOFF. Added a set of functions used in the stack to determine if a queue is really stopped (either by stack or driver) Signed-off-by: Tom Herbert <therbert@google.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/sch_multiq.c')
-rw-r--r--net/sched/sch_multiq.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/sched/sch_multiq.c b/net/sched/sch_multiq.c
index edc1950e0e77..49131d7a7446 100644
--- a/net/sched/sch_multiq.c
+++ b/net/sched/sch_multiq.c
@@ -107,7 +107,8 @@ static struct sk_buff *multiq_dequeue(struct Qdisc *sch)
/* Check that target subqueue is available before
* pulling an skb to avoid head-of-line blocking.
*/
- if (!__netif_subqueue_stopped(qdisc_dev(sch), q->curband)) {
+ if (!netif_xmit_stopped(
+ netdev_get_tx_queue(qdisc_dev(sch), q->curband))) {
qdisc = q->queues[q->curband];
skb = qdisc->dequeue(qdisc);
if (skb) {
@@ -138,7 +139,8 @@ static struct sk_buff *multiq_peek(struct Qdisc *sch)
/* Check that target subqueue is available before
* pulling an skb to avoid head-of-line blocking.
*/
- if (!__netif_subqueue_stopped(qdisc_dev(sch), curband)) {
+ if (!netif_xmit_stopped(
+ netdev_get_tx_queue(qdisc_dev(sch), curband))) {
qdisc = q->queues[curband];
skb = qdisc->ops->peek(qdisc);
if (skb)
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