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| author | David S. Miller | 2008-07-09 08:00:25 +0200 |
|---|---|---|
| committer | David S. Miller | 2008-07-09 08:00:25 +0200 |
| commit | 3e745dd6950d72d19e4cb30dc44307e8d6671864 (patch) | |
| tree | e5afcf2b77fec8565ff6b14d5cceb0cd7bd3b2af /include/net/sch_generic.h | |
| parent | pkt_sched: Add qdisc_reset_all_tx(). (diff) | |
| download | kernel-qcow2-linux-3e745dd6950d72d19e4cb30dc44307e8d6671864.tar.gz kernel-qcow2-linux-3e745dd6950d72d19e4cb30dc44307e8d6671864.tar.xz kernel-qcow2-linux-3e745dd6950d72d19e4cb30dc44307e8d6671864.zip | |
pkt_sched: Add qdisc_all_tx_empty()
This is a helper function, currently used by IRDA.
This is being added so that we can contain and isolate as many
explicit ->tx_queue references in the tree as possible.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/sch_generic.h')
| -rw-r--r-- | include/net/sch_generic.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index ea33176616ff..8cfdaebbbab3 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -233,6 +233,15 @@ static inline void qdisc_reset_all_tx(struct net_device *dev) qdisc_reset(dev->tx_queue.qdisc); } +/* Are all TX queues of the device empty? */ +static inline bool qdisc_all_tx_empty(const struct net_device *dev) +{ + const struct netdev_queue *txq = &dev->tx_queue; + const struct Qdisc *q = txq->qdisc; + + return (q->q.qlen == 0); +} + static inline int __qdisc_enqueue_tail(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff_head *list) { |