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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2010-06-02 03:23:51 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-06-02 03:23:51 -0700 |
| commit | bc135b23d01acf7ee926aaf75b0020c86d3869f9 (patch) | |
| tree | 29b338a0c54c00880720d808f2fede7c605f516d /include | |
| parent | 9f26f547a587ce9015ffe495d2af604580b4b784 (diff) | |
| download | linux-bc135b23d01acf7ee926aaf75b0020c86d3869f9.tar.gz linux-bc135b23d01acf7ee926aaf75b0020c86d3869f9.tar.bz2 linux-bc135b23d01acf7ee926aaf75b0020c86d3869f9.zip | |
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>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/pkt_sched.h | 2 | ||||
| -rw-r--r-- | include/net/sch_generic.h | 15 |
2 files changed, 16 insertions, 1 deletions
diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h index 9d4d87cc970e..d9549af6929a 100644 --- a/include/net/pkt_sched.h +++ b/include/net/pkt_sched.h @@ -95,7 +95,7 @@ extern void __qdisc_run(struct Qdisc *q); static inline void qdisc_run(struct Qdisc *q) { - if (!test_and_set_bit(__QDISC_STATE_RUNNING, &q->state)) + if (qdisc_run_begin(q)) __qdisc_run(q); } diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index 03ca5d826757..9707daed761e 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -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 *); |