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authorDavid S. Miller <davem@davemloft.net>2008-07-16 02:15:04 -0700
committerDavid S. Miller <davem@davemloft.net>2008-07-17 19:21:20 -0700
commit37437bb2e1ae8af470dfcd5b4ff454110894ccaf (patch)
tree1795e78a7648252b0c92c972df12b776a28437d7 /include/net/pkt_sched.h
parent7698b4fcabcd790efc4f226bada1e7b5870653af (diff)
pkt_sched: Schedule qdiscs instead of netdev_queue.
When we have shared qdiscs, packets come out of the qdiscs for multiple transmit queues. Therefore it doesn't make any sense to schedule the transmit queue when logically we cannot know ahead of time the TX queue of the SKB that the qdisc->dequeue() will give us. Just for sanity I added a BUG check to make sure we never get into a state where the noop_qdisc is scheduled. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/pkt_sched.h')
-rw-r--r--include/net/pkt_sched.h11
1 files changed, 4 insertions, 7 deletions
diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h
index 06a442d8518..e4e30052e4e 100644
--- a/include/net/pkt_sched.h
+++ b/include/net/pkt_sched.h
@@ -84,15 +84,12 @@ extern struct qdisc_rate_table *qdisc_get_rtab(struct tc_ratespec *r,
struct nlattr *tab);
extern void qdisc_put_rtab(struct qdisc_rate_table *tab);
-extern void __qdisc_run(struct netdev_queue *txq);
+extern void __qdisc_run(struct Qdisc *q);
-static inline void qdisc_run(struct netdev_queue *txq)
+static inline void qdisc_run(struct Qdisc *q)
{
- struct Qdisc *q = txq->qdisc;
-
- if (!netif_tx_queue_stopped(txq) &&
- !test_and_set_bit(__QDISC_STATE_RUNNING, &q->state))
- __qdisc_run(txq);
+ if (!test_and_set_bit(__QDISC_STATE_RUNNING, &q->state))
+ __qdisc_run(q);
}
extern int tc_classify_compat(struct sk_buff *skb, struct tcf_proto *tp,