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5c5670fae4
linux/net/sched
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Yotam Gigi 5c5670fae4 net/sched: Introduce sample tc action 
This action allows the user to sample traffic matched by tc classifier.
The sampling consists of choosing packets randomly and sampling them using
the psample module. The user can configure the psample group number, the
sampling rate and the packet's truncation (to save kernel-user traffic).

Example:
To sample ingress traffic from interface eth1, one may use the commands:

tc qdisc add dev eth1 handle ffff: ingress

tc filter add dev eth1 parent ffff: \
	   matchall action sample rate 12 group 4

Where the first command adds an ingress qdisc and the second starts
sampling randomly with an average of one sampled packet per 12 packets on
dev eth1 to psample group 4.

Signed-off-by: Yotam Gigi <yotamg@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-01-24 13:44:28 -05:00
..
act_api.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-01-17 15:19:37 -05:00
act_bpf.c bpf: rework prog_digest into prog_tag 2017-01-16 14:03:31 -05:00
act_connmark.c netns: make struct pernet_operations::id unsigned int 2016-11-18 10:59:15 -05:00
act_csum.c net/sched: act_csum: compute crc32c on SCTP packets 2017-01-09 14:36:57 -05:00
act_gact.c netns: make struct pernet_operations::id unsigned int 2016-11-18 10:59:15 -05:00
act_ife.c net-tc: convert tc_verd to integer bitfields 2017-01-08 20:58:52 -05:00
act_ipt.c netns: make struct pernet_operations::id unsigned int 2016-11-18 10:59:15 -05:00
act_meta_mark.c Support to encoding decoding skb mark on IFE action 2016-03-01 17:15:23 -05:00
act_meta_skbprio.c Support to encoding decoding skb prio on IFE action 2016-03-01 17:15:23 -05:00
act_meta_skbtcindex.c net sched ife action: Introduce skb tcindex metadata encap decap 2016-09-19 21:55:28 -04:00
act_mirred.c net-tc: convert tc_from to tc_from_ingress and tc_redirected 2017-01-08 20:58:52 -05:00
act_nat.c netns: make struct pernet_operations::id unsigned int 2016-11-18 10:59:15 -05:00
act_pedit.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-12-03 12:29:53 -05:00
act_police.c net_sched: gen_estimator: complete rewrite of rate estimators 2016-12-05 15:21:59 -05:00
act_sample.c net/sched: Introduce sample tc action 2017-01-24 13:44:28 -05:00
act_simple.c netns: make struct pernet_operations::id unsigned int 2016-11-18 10:59:15 -05:00
act_skbedit.c netns: make struct pernet_operations::id unsigned int 2016-11-18 10:59:15 -05:00
act_skbmod.c netns: make struct pernet_operations::id unsigned int 2016-11-18 10:59:15 -05:00
act_tunnel_key.c net/sched: act_tunnel_key: Fix setting UDP dst port in metadata under IPv6 2016-12-23 11:59:56 -05:00
act_vlan.c netns: make struct pernet_operations::id unsigned int 2016-11-18 10:59:15 -05:00
cls_api.c net, sched: fix soft lockup in tc_classify 2016-12-26 11:24:10 -05:00
cls_basic.c net, sched: respect rcu grace period on cls destruction 2016-11-28 10:47:35 -05:00
cls_bpf.c bpf: rework prog_digest into prog_tag 2017-01-16 14:03:31 -05:00
cls_cgroup.c net, sched: respect rcu grace period on cls destruction 2016-11-28 10:47:35 -05:00
cls_flow.c net, sched: respect rcu grace period on cls destruction 2016-11-28 10:47:35 -05:00
cls_flower.c net/sched: cls_flower: reduce fl_change stack size 2017-01-19 11:18:53 -05:00
cls_fw.c net sched: stylistic cleanups 2016-09-19 22:04:14 -04:00
cls_matchall.c net/sched: cls_matchall: Fix error path 2017-01-03 18:58:27 -05:00
cls_route.c net_sched: check NULL on error path in route4_change() 2016-09-23 06:51:49 -04:00
cls_rsvp6.c
cls_rsvp.c
cls_rsvp.h net, sched: respect rcu grace period on cls destruction 2016-11-28 10:47:35 -05:00
cls_tcindex.c net, sched: respect rcu grace period on cls destruction 2016-11-28 10:47:35 -05:00
cls_u32.c cls_u32: don't bother explicitly initializing ->divisor to zero 2017-01-09 14:27:16 -05:00
em_canid.c net: sched: remove tcf_proto from ematch calls 2014-10-06 18:02:32 -04:00
em_cmp.c
em_ipset.c netfilter: x_tables: move hook state into xt_action_param structure 2016-11-03 10:56:21 +01:00
em_meta.c net/sched: em_meta: Fix 'meta vlan' to correctly recognize zero VID frames 2016-10-23 17:31:25 -04:00
em_nbyte.c net: sched: remove tcf_proto from ematch calls 2014-10-06 18:02:32 -04:00
em_text.c net: Remove state argument from skb_find_text() 2015-02-22 15:59:54 -05:00
em_u32.c
ematch.c ematch: Fix auto-loading of ematch modules. 2015-02-20 15:30:56 -05:00
Kconfig net/sched: Introduce sample tc action 2017-01-24 13:44:28 -05:00
Makefile net/sched: Introduce sample tc action 2017-01-24 13:44:28 -05:00
sch_api.c net-tc: make MAX_RECLASSIFY_LOOP local 2017-01-08 20:58:52 -05:00
sch_atm.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_blackhole.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_cbq.c ktime: Cleanup ktime_set() usage 2016-12-25 17:21:22 +01:00
sch_choke.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_codel.c sched: replace __skb_dequeue with __qdisc_dequeue_head 2016-09-19 01:47:18 -04:00
sch_drr.c net_sched: gen_estimator: complete rewrite of rate estimators 2016-12-05 15:21:59 -05:00
sch_dsmark.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_fifo.c sched: don't use skb queue helpers 2016-09-19 01:47:18 -04:00
sch_fq_codel.c fq_codel: Avoid regenerating skb flow hash unless necessary 2017-01-20 12:15:14 -05:00
sch_fq.c net_sched: sch_fq: use rb_entry() 2016-12-20 14:22:48 -05:00
sch_generic.c net: dev_weight: TX/RX orthogonality 2016-12-29 15:38:35 -05:00
sch_gred.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_hfsc.c net_sched: gen_estimator: complete rewrite of rate estimators 2016-12-05 15:21:59 -05:00
sch_hhf.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_htb.c net_sched: gen_estimator: complete rewrite of rate estimators 2016-12-05 15:21:59 -05:00
sch_ingress.c net: sched: fix tc_should_offload for specific clsact classes 2016-06-07 16:59:53 -07:00
sch_mq.c net: sched: convert qdisc linked list to hashtable 2016-08-10 17:19:02 -07:00
sch_mqprio.c net: sched: convert qdisc linked list to hashtable 2016-08-10 17:19:02 -07:00
sch_multiq.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_netem.c net-tc: convert tc_from to tc_from_ingress and tc_redirected 2017-01-08 20:58:52 -05:00
sch_pie.c sched: replace __skb_dequeue with __qdisc_dequeue_head 2016-09-19 01:47:18 -04:00
sch_plug.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_prio.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-06-30 05:03:36 -04:00
sch_qfq.c net_sched: gen_estimator: complete rewrite of rate estimators 2016-12-05 15:21:59 -05:00
sch_red.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_sfb.c sch_sfb: keep backlog updated with qlen 2016-09-23 06:52:31 -04:00
sch_sfq.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_tbf.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_teql.c net: make ndo_get_stats64 a void function 2017-01-08 17:51:44 -05:00