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remarkable-linux/net/sched
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Yotam Gigi fd62d9f5c5 net/sched: matchall: Fix configuration race 
In the current version, the matchall internal state is split into two
structs: cls_matchall_head and cls_matchall_filter. This makes little
sense, as matchall instance supports only one filter, and there is no
situation where one exists and the other does not. In addition, that led
to some races when filter was deleted while packet was processed.

Unify that two structs into one, thus simplifying the process of matchall
creation and deletion. As a result, the new, delete and get callbacks have
a dummy implementation where all the work is done in destroy and change
callbacks, as was done in cls_cgroup.

Fixes: bf3994d2ed ("net/sched: introduce Match-all classifier")
Reported-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Yotam Gigi <yotamg@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2017-02-01 11:57:33 -05:00
..
Kconfig net sched ife action: Introduce skb tcindex metadata encap decap 2016-09-19 21:55:28 -04:00
Makefile net sched ife action: Introduce skb tcindex metadata encap decap 2016-09-19 21:55:28 -04:00
act_api.c net sched actions: fix refcnt when GETing of action after bind 2017-01-16 19:43:19 -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 netns: make struct pernet_operations::id unsigned int 2016-11-18 10:59:15 -05:00
act_gact.c netns: make struct pernet_operations::id unsigned int 2016-11-18 10:59:15 -05:00
act_ife.c netns: make struct pernet_operations::id unsigned int 2016-11-18 10:59:15 -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 act_mirred: fix a typo in get_dev 2016-12-03 19:28:02 -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_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: Correct matching on ICMPv6 code 2017-01-30 16:42:09 -05:00
cls_fw.c net sched: stylistic cleanups 2016-09-19 22:04:14 -04:00
cls_matchall.c net/sched: matchall: Fix configuration race 2017-02-01 11:57:33 -05:00
cls_route.c net_sched: check NULL on error path in route4_change() 2016-09-23 06:51:49 -04:00
cls_rsvp.c
…
cls_rsvp.h net, sched: respect rcu grace period on cls destruction 2016-11-28 10:47:35 -05:00
cls_rsvp6.c
…
cls_tcindex.c net, sched: respect rcu grace period on cls destruction 2016-11-28 10:47:35 -05:00
cls_u32.c net sched: stylistic cleanups 2016-09-19 22:04:14 -04:00
em_canid.c net: sched: remove tcf_proto from ematch calls 2014-10-06 18:02:32 -04:00
em_cmp.c net_sched: cleanups 2011-01-19 23:31:12 -08:00
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 net_sched: cleanups 2011-01-19 23:31:12 -08:00
ematch.c ematch: Fix auto-loading of ematch modules. 2015-02-20 15:30:56 -05:00
sch_api.c net_sched: gen_estimator: complete rewrite of rate estimators 2016-12-05 15:21:59 -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.c net_sched: sch_fq: use rb_entry() 2016-12-20 14:22:48 -05:00
sch_fq_codel.c net_sched: fq_codel: cache skb->truesize into skb->cb 2016-06-25 12:19:35 -04:00
sch_generic.c net_sched: gen_estimator: complete rewrite of rate estimators 2016-12-05 15:21:59 -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 ktime: Get rid of the union 2016-12-25 17:21:22 +01:00
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: use core MTU range checking in core net infra 2016-10-20 14:51:09 -04:00