[NET_SCHED]: sch_hfsc: use hrtimer based watchdog
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index f85cfba..3cc2714 100644
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -59,7 +59,6 @@
#include <linux/skbuff.h>
#include <linux/string.h>
#include <linux/slab.h>
-#include <linux/timer.h>
#include <linux/list.h>
#include <linux/rbtree.h>
#include <linux/init.h>
@@ -192,7 +191,7 @@
struct list_head droplist; /* active leaf class list (for
dropping) */
struct sk_buff_head requeue; /* requeued packet */
- struct timer_list wd_timer; /* watchdog timer */
+ struct qdisc_watchdog watchdog; /* watchdog timer */
};
#define HT_INFINITY 0xffffffffffffffffULL /* infinite time value */
@@ -1434,21 +1433,11 @@
}
static void
-hfsc_watchdog(unsigned long arg)
-{
- struct Qdisc *sch = (struct Qdisc *)arg;
-
- sch->flags &= ~TCQ_F_THROTTLED;
- netif_schedule(sch->dev);
-}
-
-static void
-hfsc_schedule_watchdog(struct Qdisc *sch, u64 cur_time)
+hfsc_schedule_watchdog(struct Qdisc *sch)
{
struct hfsc_sched *q = qdisc_priv(sch);
struct hfsc_class *cl;
u64 next_time = 0;
- long delay;
if ((cl = eltree_get_minel(q)) != NULL)
next_time = cl->cl_e;
@@ -1457,11 +1446,7 @@
next_time = q->root.cl_cfmin;
}
WARN_ON(next_time == 0);
- delay = next_time - cur_time;
- delay = PSCHED_US2JIFFIE(delay);
-
- sch->flags |= TCQ_F_THROTTLED;
- mod_timer(&q->wd_timer, jiffies + delay);
+ qdisc_watchdog_schedule(&q->watchdog, next_time);
}
static int
@@ -1498,9 +1483,7 @@
list_add(&q->root.hlist, &q->clhash[hfsc_hash(q->root.classid)]);
- init_timer(&q->wd_timer);
- q->wd_timer.function = hfsc_watchdog;
- q->wd_timer.data = (unsigned long)sch;
+ qdisc_watchdog_init(&q->watchdog, sch);
return 0;
}
@@ -1570,8 +1553,7 @@
__skb_queue_purge(&q->requeue);
q->eligible = RB_ROOT;
INIT_LIST_HEAD(&q->droplist);
- del_timer(&q->wd_timer);
- sch->flags &= ~TCQ_F_THROTTLED;
+ qdisc_watchdog_cancel(&q->watchdog);
sch->q.qlen = 0;
}
@@ -1587,7 +1569,7 @@
hfsc_destroy_class(sch, cl);
}
__skb_queue_purge(&q->requeue);
- del_timer(&q->wd_timer);
+ qdisc_watchdog_cancel(&q->watchdog);
}
static int
@@ -1673,7 +1655,7 @@
cl = vttree_get_minvt(&q->root, cur_time);
if (cl == NULL) {
sch->qstats.overlimits++;
- hfsc_schedule_watchdog(sch, cur_time);
+ hfsc_schedule_watchdog(sch);
return NULL;
}
}