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Diffstat (limited to 'net/sched/sch_tbf.c')
-rw-r--r--net/sched/sch_tbf.c47
1 files changed, 15 insertions, 32 deletions
diff --git a/net/sched/sch_tbf.c b/net/sched/sch_tbf.c
index 85da8daa61d2..53862953baaf 100644
--- a/net/sched/sch_tbf.c
+++ b/net/sched/sch_tbf.c
@@ -32,6 +32,7 @@
#include <linux/etherdevice.h>
#include <linux/notifier.h>
#include <net/ip.h>
+#include <net/netlink.h>
#include <net/route.h>
#include <linux/skbuff.h>
#include <net/sock.h>
@@ -127,8 +128,8 @@ struct tbf_sched_data
long tokens; /* Current number of B tokens */
long ptokens; /* Current number of P tokens */
psched_time_t t_c; /* Time check-point */
- struct timer_list wd_timer; /* Watchdog timer */
struct Qdisc *qdisc; /* Inner qdisc, default - bfifo queue */
+ struct qdisc_watchdog watchdog; /* Watchdog timer */
};
#define L2T(q,L) ((q)->R_tab->data[(L)>>(q)->R_tab->rate.cell_log])
@@ -185,14 +186,6 @@ static unsigned int tbf_drop(struct Qdisc* sch)
return len;
}
-static void tbf_watchdog(unsigned long arg)
-{
- struct Qdisc *sch = (struct Qdisc*)arg;
-
- sch->flags &= ~TCQ_F_THROTTLED;
- netif_schedule(sch->dev);
-}
-
static struct sk_buff *tbf_dequeue(struct Qdisc* sch)
{
struct tbf_sched_data *q = qdisc_priv(sch);
@@ -202,13 +195,12 @@ static struct sk_buff *tbf_dequeue(struct Qdisc* sch)
if (skb) {
psched_time_t now;
- long toks, delay;
+ long toks;
long ptoks = 0;
unsigned int len = skb->len;
- PSCHED_GET_TIME(now);
-
- toks = PSCHED_TDIFF_SAFE(now, q->t_c, q->buffer);
+ now = psched_get_time();
+ toks = psched_tdiff_bounded(now, q->t_c, q->buffer);
if (q->P_tab) {
ptoks = toks + q->ptokens;
@@ -230,12 +222,8 @@ static struct sk_buff *tbf_dequeue(struct Qdisc* sch)
return skb;
}
- delay = PSCHED_US2JIFFIE(max_t(long, -toks, -ptoks));
-
- if (delay == 0)
- delay = 1;
-
- mod_timer(&q->wd_timer, jiffies+delay);
+ qdisc_watchdog_schedule(&q->watchdog,
+ now + max_t(long, -toks, -ptoks));
/* Maybe we have a shorter packet in the queue,
which can be sent now. It sounds cool,
@@ -254,7 +242,6 @@ static struct sk_buff *tbf_dequeue(struct Qdisc* sch)
sch->qstats.drops++;
}
- sch->flags |= TCQ_F_THROTTLED;
sch->qstats.overlimits++;
}
return NULL;
@@ -266,11 +253,10 @@ static void tbf_reset(struct Qdisc* sch)
qdisc_reset(q->qdisc);
sch->q.qlen = 0;
- PSCHED_GET_TIME(q->t_c);
+ q->t_c = psched_get_time();
q->tokens = q->buffer;
q->ptokens = q->mtu;
- sch->flags &= ~TCQ_F_THROTTLED;
- del_timer(&q->wd_timer);
+ qdisc_watchdog_cancel(&q->watchdog);
}
static struct Qdisc *tbf_create_dflt_qdisc(struct Qdisc *sch, u32 limit)
@@ -377,11 +363,8 @@ static int tbf_init(struct Qdisc* sch, struct rtattr *opt)
if (opt == NULL)
return -EINVAL;
- PSCHED_GET_TIME(q->t_c);
- init_timer(&q->wd_timer);
- q->wd_timer.function = tbf_watchdog;
- q->wd_timer.data = (unsigned long)sch;
-
+ q->t_c = psched_get_time();
+ qdisc_watchdog_init(&q->watchdog, sch);
q->qdisc = &noop_qdisc;
return tbf_change(sch, opt);
@@ -391,7 +374,7 @@ static void tbf_destroy(struct Qdisc *sch)
{
struct tbf_sched_data *q = qdisc_priv(sch);
- del_timer(&q->wd_timer);
+ qdisc_watchdog_cancel(&q->watchdog);
if (q->P_tab)
qdisc_put_rtab(q->P_tab);
@@ -404,7 +387,7 @@ static void tbf_destroy(struct Qdisc *sch)
static int tbf_dump(struct Qdisc *sch, struct sk_buff *skb)
{
struct tbf_sched_data *q = qdisc_priv(sch);
- unsigned char *b = skb->tail;
+ unsigned char *b = skb_tail_pointer(skb);
struct rtattr *rta;
struct tc_tbf_qopt opt;
@@ -420,12 +403,12 @@ static int tbf_dump(struct Qdisc *sch, struct sk_buff *skb)
opt.mtu = q->mtu;
opt.buffer = q->buffer;
RTA_PUT(skb, TCA_TBF_PARMS, sizeof(opt), &opt);
- rta->rta_len = skb->tail - b;
+ rta->rta_len = skb_tail_pointer(skb) - b;
return skb->len;
rtattr_failure:
- skb_trim(skb, b - skb->data);
+ nlmsg_trim(skb, b);
return -1;
}