diff mbox series

[RFC,v2,net-next,05/10] net/sched: Allow creating a Qdisc watchdog with other clocks

Message ID 20180117230621.26074-6-jesus.sanchez-palencia@intel.com
State RFC, archived
Delegated to: David Miller
Headers show
Series Time based packet transmission | expand

Commit Message

Jesus Sanchez-Palencia Jan. 17, 2018, 11:06 p.m. UTC 
From: Vinicius Costa Gomes <vinicius.gomes@intel.com>

This adds 'qdisc_watchdog_init_clockid()' that allows a clockid to be
passed, this allows other time references to be used when scheduling
the Qdisc to run.

Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
---
 include/net/pkt_sched.h |  2 ++
 net/sched/sch_api.c     | 11 +++++++++--
 2 files changed, 11 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h
index 815b92a23936..2466ea143d01 100644
--- a/include/net/pkt_sched.h
+++ b/include/net/pkt_sched.h
@@ -72,6 +72,8 @@  struct qdisc_watchdog {
 	struct Qdisc	*qdisc;
 };
 
+void qdisc_watchdog_init_clockid(struct qdisc_watchdog *wd, struct Qdisc *qdisc,
+				 clockid_t clockid);
 void qdisc_watchdog_init(struct qdisc_watchdog *wd, struct Qdisc *qdisc);
 void qdisc_watchdog_schedule_ns(struct qdisc_watchdog *wd, u64 expires);
 
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index d512f49ee83c..d6136920b5c1 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -596,12 +596,19 @@  static enum hrtimer_restart qdisc_watchdog(struct hrtimer *timer)
 	return HRTIMER_NORESTART;
 }
 
-void qdisc_watchdog_init(struct qdisc_watchdog *wd, struct Qdisc *qdisc)
+void qdisc_watchdog_init_clockid(struct qdisc_watchdog *wd, struct Qdisc *qdisc,
+				 clockid_t clockid)
 {
-	hrtimer_init(&wd->timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_PINNED);
+	hrtimer_init(&wd->timer, clockid, HRTIMER_MODE_ABS_PINNED);
 	wd->timer.function = qdisc_watchdog;
 	wd->qdisc = qdisc;
 }
+EXPORT_SYMBOL(qdisc_watchdog_init_clockid);
+
+void qdisc_watchdog_init(struct qdisc_watchdog *wd, struct Qdisc *qdisc)
+{
+	qdisc_watchdog_init_clockid(wd, qdisc, CLOCK_MONOTONIC);
+}
 EXPORT_SYMBOL(qdisc_watchdog_init);
 
 void qdisc_watchdog_schedule_ns(struct qdisc_watchdog *wd, u64 expires)