diff options
| author |   Phil Sutter <phil@nwl.cc> | 2015-08-27 21:21:38 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2015-08-27 17:14:30 -0700 |
| commit | d66d6c3152e8d5a6db42a56bf7ae1c6cae87ba48 (patch) | |
| tree | 15e538fa64d6f8dcb0c69dff2a1daffc74c59d7a | |
| parent | net: sched: ignore tx_queue_len when assigning default qdisc (diff) | |
| download | linux-dev-d66d6c3152e8d5a6db42a56bf7ae1c6cae87ba48.tar.xz linux-dev-d66d6c3152e8d5a6db42a56bf7ae1c6cae87ba48.zip | |
net: sched: register noqueue qdisc
This way users can attach noqueue just like any other qdisc using tc
without having to mess with tx_queue_len first.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/net/sch_generic.h | 1 | ||||
| -rw-r--r-- | net/sched/sch_api.c | 1 | ||||
| -rw-r--r-- | net/sched/sch_generic.c | 12 |
3 files changed, 13 insertions, 1 deletions
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index 2eab08c38e32..444faa89a55f 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -340,6 +340,7 @@ extern struct Qdisc noop_qdisc; extern struct Qdisc_ops noop_qdisc_ops; extern struct Qdisc_ops pfifo_fast_ops; extern struct Qdisc_ops mq_qdisc_ops; +extern struct Qdisc_ops noqueue_qdisc_ops; extern const struct Qdisc_ops *default_qdisc_ops; struct Qdisc_class_common { diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index 59c227f26b56..a3c70a18a764 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -1942,6 +1942,7 @@ static int __init pktsched_init(void) register_qdisc(&bfifo_qdisc_ops); register_qdisc(&pfifo_head_drop_qdisc_ops); register_qdisc(&mq_qdisc_ops); + register_qdisc(&noqueue_qdisc_ops); rtnl_register(PF_UNSPEC, RTM_NEWQDISC, tc_modify_qdisc, NULL, NULL); rtnl_register(PF_UNSPEC, RTM_DELQDISC, tc_get_qdisc, NULL, NULL); diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index f501b7409320..d5c7c0d88786 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -416,9 +416,19 @@ struct Qdisc noop_qdisc = { }; EXPORT_SYMBOL(noop_qdisc); -static struct Qdisc_ops noqueue_qdisc_ops __read_mostly = { +static int noqueue_init(struct Qdisc *qdisc, struct nlattr *opt) +{ + /* register_qdisc() assigns a default of noop_enqueue if unset, + * but __dev_queue_xmit() treats noqueue only as such + * if this is NULL - so clear it here. */ + qdisc->enqueue = NULL; + return 0; +} + +struct Qdisc_ops noqueue_qdisc_ops __read_mostly = { .id = "noqueue", .priv_size = 0, + .init = noqueue_init, .enqueue = noop_enqueue, .dequeue = noop_dequeue, .peek = noop_dequeue, |