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-rw-r--r--include/net/sch_generic.h26
1 files changed, 17 insertions, 9 deletions
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index e7f4e21cc3e..e5ae0c50fa9 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -58,14 +58,12 @@ struct Qdisc {
* multiqueue device.
*/
#define TCQ_F_WARN_NONWC (1 << 16)
- int padded;
+ u32 limit;
const struct Qdisc_ops *ops;
struct qdisc_size_table __rcu *stab;
struct list_head list;
u32 handle;
u32 parent;
- atomic_t refcnt;
- struct gnet_stats_rate_est rate_est;
int (*reshape_fail)(struct sk_buff *skb,
struct Qdisc *q);
@@ -76,8 +74,9 @@ struct Qdisc {
*/
struct Qdisc *__parent;
struct netdev_queue *dev_queue;
- struct Qdisc *next_sched;
+ struct gnet_stats_rate_est64 rate_est;
+ struct Qdisc *next_sched;
struct sk_buff *gso_skb;
/*
* For performance sake on SMP, we put highly modified fields at the end
@@ -88,8 +87,10 @@ struct Qdisc {
unsigned int __state;
struct gnet_stats_queue qstats;
struct rcu_head rcu_head;
- spinlock_t busylock;
- u32 limit;
+ int padded;
+ atomic_t refcnt;
+
+ spinlock_t busylock ____cacheline_aligned_in_smp;
};
static inline bool qdisc_is_running(const struct Qdisc *qdisc)
@@ -679,16 +680,22 @@ static inline struct sk_buff *skb_act_clone(struct sk_buff *skb, gfp_t gfp_mask,
#endif
struct psched_ratecfg {
- u64 rate_bps;
+ u64 rate_bytes_ps; /* bytes per second */
u32 mult;
u16 overhead;
+ u8 linklayer;
u8 shift;
};
static inline u64 psched_l2t_ns(const struct psched_ratecfg *r,
unsigned int len)
{
- return ((u64)(len + r->overhead) * r->mult) >> r->shift;
+ len += r->overhead;
+
+ if (unlikely(r->linklayer == TC_LINKLAYER_ATM))
+ return ((u64)(DIV_ROUND_UP(len,48)*53) * r->mult) >> r->shift;
+
+ return ((u64)len * r->mult) >> r->shift;
}
extern void psched_ratecfg_precompute(struct psched_ratecfg *r, const struct tc_ratespec *conf);
@@ -697,8 +704,9 @@ static inline void psched_ratecfg_getrate(struct tc_ratespec *res,
const struct psched_ratecfg *r)
{
memset(res, 0, sizeof(*res));
- res->rate = r->rate_bps >> 3;
+ res->rate = r->rate_bytes_ps;
res->overhead = r->overhead;
+ res->linklayer = (r->linklayer & TC_LINKLAYER_MASK);
}
#endif