net: Define accessors to manipulate QDISC_STATE_RUNNING

Define three helpers to manipulate QDISC_STATE_RUNNIG flag, that a
second patch will move on another location.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2010-06-02 03:23:51 -07:00
committed by David S. Miller
parent 9f26f547a5
commit bc135b23d0
4 changed files with 20 additions and 5 deletions

View File

@@ -76,6 +76,21 @@ struct Qdisc {
struct rcu_head rcu_head;
};
static inline bool qdisc_is_running(struct Qdisc *qdisc)
{
return test_bit(__QDISC_STATE_RUNNING, &qdisc->state);
}
static inline bool qdisc_run_begin(struct Qdisc *qdisc)
{
return !test_and_set_bit(__QDISC_STATE_RUNNING, &qdisc->state);
}
static inline void qdisc_run_end(struct Qdisc *qdisc)
{
clear_bit(__QDISC_STATE_RUNNING, &qdisc->state);
}
struct Qdisc_class_ops {
/* Child qdisc manipulation */
struct netdev_queue * (*select_queue)(struct Qdisc *, struct tcmsg *);