Merge branch 'perf/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic...

[safe/jmp/linux-2.6] / include / net / pkt_sched.h

diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h
index 46fb4d8..b6cdc33 100644 (file)
--- a/include/net/pkt_sched.h
+++ b/include/net/pkt_sched.h
@@ -5,8 +5,7 @@
 #include <linux/ktime.h>
 #include <net/sch_generic.h>
 
-struct qdisc_walker
-{
+struct qdisc_walker {
        int     stop;
        int     skip;
        int     count;
@@ -41,16 +40,17 @@ static inline void *qdisc_priv(struct Qdisc *q)
 typedef u64    psched_time_t;
 typedef long   psched_tdiff_t;
 
-/* Avoid doing 64 bit divide by 1000 */
-#define PSCHED_US2NS(x)                        ((s64)(x) << 10)
-#define PSCHED_NS2US(x)                        ((x) >> 10)
+/* Avoid doing 64 bit divide */
+#define PSCHED_SHIFT                   6
+#define PSCHED_TICKS2NS(x)             ((s64)(x) << PSCHED_SHIFT)
+#define PSCHED_NS2TICKS(x)             ((x) >> PSCHED_SHIFT)
 
-#define PSCHED_TICKS_PER_SEC           PSCHED_NS2US(NSEC_PER_SEC)
+#define PSCHED_TICKS_PER_SEC           PSCHED_NS2TICKS(NSEC_PER_SEC)
 #define PSCHED_PASTPERFECT             0
 
 static inline psched_time_t psched_get_time(void)
 {
-       return PSCHED_NS2US(ktime_to_ns(ktime_get()));
+       return PSCHED_NS2TICKS(ktime_to_ns(ktime_get()));
 }
 
 static inline psched_tdiff_t
@@ -71,22 +71,32 @@ extern void qdisc_watchdog_cancel(struct qdisc_watchdog *wd);
 
 extern struct Qdisc_ops pfifo_qdisc_ops;
 extern struct Qdisc_ops bfifo_qdisc_ops;
+extern struct Qdisc_ops pfifo_head_drop_qdisc_ops;
+
+extern int fifo_set_limit(struct Qdisc *q, unsigned int limit);
+extern struct Qdisc *fifo_create_dflt(struct Qdisc *sch, struct Qdisc_ops *ops,
+                                     unsigned int limit);
 
 extern int register_qdisc(struct Qdisc_ops *qops);
 extern int unregister_qdisc(struct Qdisc_ops *qops);
+extern void qdisc_list_del(struct Qdisc *q);
 extern struct Qdisc *qdisc_lookup(struct net_device *dev, u32 handle);
 extern struct Qdisc *qdisc_lookup_class(struct net_device *dev, u32 handle);
 extern struct qdisc_rate_table *qdisc_get_rtab(struct tc_ratespec *r,
                struct nlattr *tab);
 extern void qdisc_put_rtab(struct qdisc_rate_table *tab);
+extern void qdisc_put_stab(struct qdisc_size_table *tab);
+extern void qdisc_warn_nonwc(char *txt, struct Qdisc *qdisc);
+extern int sch_direct_xmit(struct sk_buff *skb, struct Qdisc *q,
+                          struct net_device *dev, struct netdev_queue *txq,
+                          spinlock_t *root_lock);
 
-extern void __qdisc_run(struct net_device *dev);
+extern void __qdisc_run(struct Qdisc *q);
 
-static inline void qdisc_run(struct net_device *dev)
+static inline void qdisc_run(struct Qdisc *q)
 {
-       if (!netif_queue_stopped(dev) &&
-           !test_and_set_bit(__LINK_STATE_QDISC_RUNNING, &dev->state))
-               __qdisc_run(dev);
+       if (!test_and_set_bit(__QDISC_STATE_RUNNING, &q->state))
+               __qdisc_run(q);
 }
 
 extern int tc_classify_compat(struct sk_buff *skb, struct tcf_proto *tp,