#ifndef __NET_PKT_SCHED_H
#define __NET_PKT_SCHED_H
+#include <linux/jiffies.h>
#include <net/sch_generic.h>
struct qdisc_walker
extern rwlock_t qdisc_tree_lock;
-#define QDISC_ALIGN 32
-#define QDISC_ALIGN_CONST (QDISC_ALIGN - 1)
+#define QDISC_ALIGNTO 32
+#define QDISC_ALIGN(len) (((len) + QDISC_ALIGNTO-1) & ~(QDISC_ALIGNTO-1))
static inline void *qdisc_priv(struct Qdisc *q)
{
- return (char *)q + ((sizeof(struct Qdisc) + QDISC_ALIGN_CONST)
- & ~QDISC_ALIGN_CONST);
+ return (char *) q + QDISC_ALIGN(sizeof(struct Qdisc));
}
/*
typedef long psched_tdiff_t;
#define PSCHED_GET_TIME(stamp) do_gettimeofday(&(stamp))
-#define PSCHED_US2JIFFIE(usecs) (((usecs)+(1000000/HZ-1))/(1000000/HZ))
-#define PSCHED_JIFFIE2US(delay) ((delay)*(1000000/HZ))
+#define PSCHED_US2JIFFIE(usecs) usecs_to_jiffies(usecs)
+#define PSCHED_JIFFIE2US(delay) jiffies_to_usecs(delay)
#else /* !CONFIG_NET_SCH_CLK_GETTIMEOFDAY */
default: \
__delta = 0; \
case 2: \
- __delta += 1000000; \
+ __delta += USEC_PER_SEC; \
case 1: \
- __delta += 1000000; \
+ __delta += USEC_PER_SEC; \
} \
} \
__delta; \
{
int delta;
- if (bound <= 1000000 || delta_sec > (0x7FFFFFFF/1000000)-1)
+ if (bound <= USEC_PER_SEC || delta_sec > (0x7FFFFFFF/USEC_PER_SEC)-1)
return bound;
- delta = delta_sec * 1000000;
+ delta = delta_sec * USEC_PER_SEC;
if (delta > bound || delta < 0)
delta = bound;
return delta;
default: \
__delta = psched_tod_diff(__delta_sec, bound); break; \
case 2: \
- __delta += 1000000; \
+ __delta += USEC_PER_SEC; \
case 1: \
- __delta += 1000000; \
+ __delta += USEC_PER_SEC; \
case 0: \
if (__delta > bound || __delta < 0) \
__delta = bound; \
({ \
int __delta = (tv).tv_usec + (delta); \
(tv_res).tv_sec = (tv).tv_sec; \
- if (__delta > 1000000) { (tv_res).tv_sec++; __delta -= 1000000; } \
+ if (__delta > USEC_PER_SEC) { (tv_res).tv_sec++; __delta -= USEC_PER_SEC; } \
(tv_res).tv_usec = __delta; \
})
#define PSCHED_TADD(tv, delta) \
({ \
(tv).tv_usec += (delta); \
- if ((tv).tv_usec > 1000000) { (tv).tv_sec++; \
- (tv).tv_usec -= 1000000; } \
+ if ((tv).tv_usec > USEC_PER_SEC) { (tv).tv_sec++; \
+ (tv).tv_usec -= USEC_PER_SEC; } \
})
/* Set/check that time is in the "past perfect";
#endif /* !CONFIG_NET_SCH_CLK_GETTIMEOFDAY */
-extern struct Qdisc noop_qdisc;
-extern struct Qdisc_ops noop_qdisc_ops;
extern struct Qdisc_ops pfifo_qdisc_ops;
extern struct Qdisc_ops bfifo_qdisc_ops;
extern int unregister_qdisc(struct Qdisc_ops *qops);
extern struct Qdisc *qdisc_lookup(struct net_device *dev, u32 handle);
extern struct Qdisc *qdisc_lookup_class(struct net_device *dev, u32 handle);
-extern void dev_init_scheduler(struct net_device *dev);
-extern void dev_shutdown(struct net_device *dev);
-extern void dev_activate(struct net_device *dev);
-extern void dev_deactivate(struct net_device *dev);
-extern void qdisc_reset(struct Qdisc *qdisc);
-extern void qdisc_destroy(struct Qdisc *qdisc);
-extern struct Qdisc * qdisc_create_dflt(struct net_device *dev,
- struct Qdisc_ops *ops);
extern struct qdisc_rate_table *qdisc_get_rtab(struct tc_ratespec *r,
struct rtattr *tab);
extern void qdisc_put_rtab(struct qdisc_rate_table *tab);
-extern int qdisc_restart(struct net_device *dev);
+extern void __qdisc_run(struct net_device *dev);
static inline void qdisc_run(struct net_device *dev)
{
- while (!netif_queue_stopped(dev) && qdisc_restart(dev) < 0)
- /* NOTHING */;
+ if (!netif_queue_stopped(dev) &&
+ !test_and_set_bit(__LINK_STATE_QDISC_RUNNING, &dev->state))
+ __qdisc_run(dev);
}
extern int tc_classify(struct sk_buff *skb, struct tcf_proto *tp,