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22e0f8b932
linux/net/sched
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John Fastabend 22e0f8b932 net: sched: make bstats per cpu and estimator RCU safe 
In order to run qdisc's without locking statistics and estimators
need to be handled correctly.

To resolve bstats make the statistics per cpu. And because this is
only needed for qdiscs that are running without locks which is not
the case for most qdiscs in the near future only create percpu
stats when qdiscs set the TCQ_F_CPUSTATS flag.

Next because estimators use the bstats to calculate packets per
second and bytes per second the estimator code paths are updated
to use the per cpu statistics.

Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-09-30 01:02:26 -04:00
..
act_api.c net: sched: make bstats per cpu and estimator RCU safe 2014-09-30 01:02:26 -04:00
act_csum.c net_sched: act: move tcf_hashinfo_init() into tcf_register_action() 2014-02-12 19:23:32 -05:00
act_gact.c net_sched: act: move tcf_hashinfo_init() into tcf_register_action() 2014-02-12 19:23:32 -05:00
act_ipt.c net_sched: act: move tcf_hashinfo_init() into tcf_register_action() 2014-02-12 19:23:32 -05:00
act_mirred.c net_sched: hold tcf_lock in netdevice notifier 2014-07-20 20:31:42 -07:00
act_nat.c net_sched: act: move tcf_hashinfo_init() into tcf_register_action() 2014-02-12 19:23:32 -05:00
act_pedit.c net_sched: act: move tcf_hashinfo_init() into tcf_register_action() 2014-02-12 19:23:32 -05:00
act_police.c net: sched: make bstats per cpu and estimator RCU safe 2014-09-30 01:02:26 -04:00
act_simple.c net_sched: act: move tcf_hashinfo_init() into tcf_register_action() 2014-02-12 19:23:32 -05:00
act_skbedit.c net_sched: act: move tcf_hashinfo_init() into tcf_register_action() 2014-02-12 19:23:32 -05:00
cls_api.c net_sched: remove the first parameter from tcf_exts_destroy() 2014-09-28 17:29:01 -04:00
cls_basic.c net_sched: remove the first parameter from tcf_exts_destroy() 2014-09-28 17:29:01 -04:00
cls_bpf.c net_sched: remove the first parameter from tcf_exts_destroy() 2014-09-28 17:29:01 -04:00
cls_cgroup.c net_sched: remove the first parameter from tcf_exts_destroy() 2014-09-28 17:29:01 -04:00
cls_flow.c net_sched: remove the first parameter from tcf_exts_destroy() 2014-09-28 17:29:01 -04:00
cls_fw.c net_sched: remove the first parameter from tcf_exts_destroy() 2014-09-28 17:29:01 -04:00
cls_route.c net_sched: remove the first parameter from tcf_exts_destroy() 2014-09-28 17:29:01 -04:00
cls_rsvp6.c
cls_rsvp.c
cls_rsvp.h net: sched: cls_rcvp, complete rcu conversion 2014-09-29 00:04:55 -04:00
cls_tcindex.c net_sched: fix another regression in cls_tcindex 2014-09-28 17:34:35 -04:00
cls_u32.c net_sched: remove the first parameter from tcf_exts_destroy() 2014-09-28 17:29:01 -04:00
em_canid.c net: em_canid: remove useless statements from em_canid_change 2014-06-21 15:40:22 -07:00
em_cmp.c net_sched: cleanups 2011-01-19 23:31:12 -08:00
em_ipset.c em_ipset: use dev_net() accessor 2013-10-18 16:23:06 -04:00
em_meta.c net: Change skb_get_rxhash to skb_get_hash 2013-12-17 16:36:21 -05:00
em_nbyte.c net_sched: cleanups 2011-01-19 23:31:12 -08:00
em_text.c net_sched: cleanups 2011-01-19 23:31:12 -08:00
em_u32.c net_sched: cleanups 2011-01-19 23:31:12 -08:00
ematch.c net: Convert net_ratelimit uses to net_<level>_ratelimited 2012-05-15 13:45:03 -04:00
Kconfig net: pkt_sched: PIE AQM scheme 2014-01-06 15:13:01 -05:00
Makefile net: pkt_sched: PIE AQM scheme 2014-01-06 15:13:01 -05:00
sch_api.c net: sched: make bstats per cpu and estimator RCU safe 2014-09-30 01:02:26 -04:00
sch_atm.c net: sched: make bstats per cpu and estimator RCU safe 2014-09-30 01:02:26 -04:00
sch_blackhole.c
sch_cbq.c net: sched: make bstats per cpu and estimator RCU safe 2014-09-30 01:02:26 -04:00
sch_choke.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-09-23 12:09:27 -04:00
sch_codel.c fq_codel: should use qdisc backlog as threshold 2012-05-16 15:30:26 -04:00
sch_drr.c net: sched: make bstats per cpu and estimator RCU safe 2014-09-30 01:02:26 -04:00
sch_dsmark.c net: rcu-ify tcf_proto 2014-09-13 12:30:25 -04:00
sch_fifo.c pkt_sched: Stop using NLA_PUT*(). 2012-04-01 18:11:37 -04:00
sch_fq_codel.c net: rcu-ify tcf_proto 2014-09-13 12:30:25 -04:00
sch_fq.c net: use ktime_get_ns() and ktime_get_real_ns() helpers 2014-08-22 19:57:23 -07:00
sch_generic.c net: sched: make bstats per cpu and estimator RCU safe 2014-09-30 01:02:26 -04:00
sch_gred.c net_sched: replace pr_warning with pr_warn 2013-12-31 13:50:56 -05:00
sch_hfsc.c net: sched: make bstats per cpu and estimator RCU safe 2014-09-30 01:02:26 -04:00
sch_hhf.c net: use the new API kvfree() 2014-06-05 00:49:51 -07:00
sch_htb.c net: sched: make bstats per cpu and estimator RCU safe 2014-09-30 01:02:26 -04:00
sch_ingress.c net: rcu-ify tcf_proto 2014-09-13 12:30:25 -04:00
sch_mq.c net: sched: make bstats per cpu and estimator RCU safe 2014-09-30 01:02:26 -04:00
sch_mqprio.c net: sched: make bstats per cpu and estimator RCU safe 2014-09-30 01:02:26 -04:00
sch_multiq.c net: sched: make bstats per cpu and estimator RCU safe 2014-09-30 01:02:26 -04:00
sch_netem.c net: use the new API kvfree() 2014-06-05 00:49:51 -07:00
sch_pie.c net: sched: Cleanup PIE comments 2014-02-13 18:29:58 -05:00
sch_plug.c net_sched: sch_plug: plug_qdisc_ops is static 2012-02-13 16:04:40 -05:00
sch_prio.c net: sched: make bstats per cpu and estimator RCU safe 2014-09-30 01:02:26 -04:00
sch_qfq.c net: sched: make bstats per cpu and estimator RCU safe 2014-09-30 01:02:26 -04:00
sch_red.c pkt_sched: Stop using NLA_PUT*(). 2012-04-01 18:11:37 -04:00
sch_sfb.c net: rcu-ify tcf_proto 2014-09-13 12:30:25 -04:00
sch_sfq.c net: rcu-ify tcf_proto 2014-09-13 12:30:25 -04:00
sch_tbf.c net: use ktime_get_ns() and ktime_get_real_ns() helpers 2014-08-22 19:57:23 -07:00
sch_teql.c net: qdisc: use rcu prefix and silence sparse warnings 2014-09-13 12:30:25 -04:00