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authorJohn Fastabend <john.fastabend@gmail.com>2014-09-28 11:54:24 -0700
committerDavid S. Miller <davem@davemloft.net>2014-09-30 01:02:26 -0400
commitb0ab6f92752b9f9d8da980506e9df3bd9dcd7ed3 (patch)
treee8dc1bb9dc3bdce6a62b785b1828efded9f87205 /include/net/sch_generic.h
parent6401585366326fc0ecbc372ec60d1a15cd8be2f5 (diff)
net: sched: enable per cpu qstats
After previous patches to simplify qstats the qstats can be made per cpu with a packed union in Qdisc struct. Signed-off-by: John Fastabend <john.r.fastabend@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/sch_generic.h')
-rw-r--r--include/net/sch_generic.h12
1 files changed, 11 insertions, 1 deletions
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 23a0f0fc83d8..f12669819d1a 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -90,7 +90,10 @@ struct Qdisc {
struct gnet_stats_basic_cpu __percpu *cpu_bstats;
} __packed;
unsigned int __state;
- struct gnet_stats_queue qstats;
+ union {
+ struct gnet_stats_queue qstats;
+ struct gnet_stats_queue __percpu *cpu_qstats;
+ } __packed;
struct rcu_head rcu_head;
int padded;
atomic_t refcnt;
@@ -543,6 +546,13 @@ static inline void qdisc_qstats_drop(struct Qdisc *sch)
sch->qstats.drops++;
}
+static inline void qdisc_qstats_drop_cpu(struct Qdisc *sch)
+{
+ struct gnet_stats_queue *qstats = this_cpu_ptr(sch->cpu_qstats);
+
+ qstats->drops++;
+}
+
static inline void qdisc_qstats_overlimit(struct Qdisc *sch)
{
sch->qstats.overlimits++;