linux/net/sched
Vlad Buslov cfebd7e242 net: sched: change tcf block reference counter type to refcount_t
As a preparation for removing rtnl lock dependency from rules update path,
change tcf block reference counter type to refcount_t to allow modification
by concurrent users.

In block put function perform decrement and check reference counter once to
accommodate concurrent modification by unlocked users. After this change
tcf_chain_put at the end of block put function is called with
block->refcnt==0 and will deallocate block after the last chain is
released, so there is no need to manually deallocate block in this case.
However, if block reference counter reached 0 and there are no chains to
release, block must still be deallocated manually.

Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-25 20:17:36 -07:00
..
act_api.c net/sched: Add hardware specific counters to TC actions 2018-09-24 12:18:42 -07:00
act_bpf.c Revert "net: sched: act: add extack for lookup callback" 2018-08-31 22:50:15 -07:00
act_connmark.c net_sched: add missing tcf_lock for act_connmark 2018-08-31 22:57:43 -07:00
act_csum.c Revert "net: sched: act: add extack for lookup callback" 2018-08-31 22:50:15 -07:00
act_gact.c net/sched: Add hardware specific counters to TC actions 2018-09-24 12:18:42 -07:00
act_ife.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-09-04 21:33:03 -07:00
act_ipt.c Revert "net: sched: act: add extack for lookup callback" 2018-08-31 22:50:15 -07:00
act_meta_mark.c net: remove duplicate includes 2017-12-13 13:18:46 -05:00
act_meta_skbprio.c net sched actions: change IFE modules alias names 2017-10-12 22:13:20 -07:00
act_meta_skbtcindex.c net: remove duplicate includes 2017-12-13 13:18:46 -05:00
act_mirred.c net/sched: Add hardware specific counters to TC actions 2018-09-24 12:18:42 -07:00
act_nat.c net: sched: act_nat: remove dependency on rtnl lock 2018-09-08 10:18:25 -07:00
act_pedit.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-09-04 21:33:03 -07:00
act_police.c net/sched: act_police: don't use spinlock in the data path 2018-09-16 15:30:22 -07:00
act_sample.c Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-09-18 09:33:27 -07:00
act_simple.c Revert "net: sched: act: add extack for lookup callback" 2018-08-31 22:50:15 -07:00
act_skbedit.c net: sched: act_skbedit: remove dependency on rtnl lock 2018-09-08 10:17:35 -07:00
act_skbmod.c Revert "net: sched: act: add extack for lookup callback" 2018-08-31 22:50:15 -07:00
act_tunnel_key.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-09-12 22:22:42 -07:00
act_vlan.c Revert "net: sched: act: add extack for lookup callback" 2018-08-31 22:50:15 -07:00
cls_api.c net: sched: change tcf block reference counter type to refcount_t 2018-09-25 20:17:36 -07:00
cls_basic.c sched: fix trailing whitespace 2018-07-24 14:10:42 -07:00
cls_bpf.c cls_bpf: Use kmemdup instead of duplicating it in cls_bpf_prog_from_ops 2018-07-29 13:19:49 -07:00
cls_cgroup.c net_sched: switch to rcu_work 2018-05-24 22:56:15 -04:00
cls_flow.c net_sched: switch to rcu_work 2018-05-24 22:56:15 -04:00
cls_flower.c net_sched: change tcf_del_walker() to take idrinfo->lock 2018-09-21 08:55:05 -07:00
cls_fw.c net_sched: switch to rcu_work 2018-05-24 22:56:15 -04:00
cls_matchall.c cls_matchall: fix tcf_unbind_filter missing 2018-08-16 12:08:26 -07:00
cls_route.c net_sched: switch to rcu_work 2018-05-24 22:56:15 -04:00
cls_rsvp6.c
cls_rsvp.c
cls_rsvp.h net_sched: switch to rcu_work 2018-05-24 22:56:15 -04:00
cls_tcindex.c net_sched: Fix missing res info when create new tc_index filter 2018-08-13 19:37:42 -07:00
cls_u32.c net: sched: Fix memory exposure from short TCA_U32_SEL 2018-08-26 14:21:50 -07:00
em_canid.c
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_ipt.c net: sched: add em_ipt ematch for calling xtables matches 2018-02-21 13:15:33 -05:00
em_meta.c net: convert sock.sk_refcnt from atomic_t to refcount_t 2017-07-01 07:39:08 -07:00
em_nbyte.c net: sched: em_nbyte: don't add the data offset twice 2018-01-24 14:52:40 -05:00
em_text.c
em_u32.c
ematch.c net: sched: ematch: obtain net pointer from blocks 2017-10-16 21:00:40 +01:00
Kconfig net/sched: add skbprio scheduler 2018-07-24 14:44:00 -07:00
Makefile net/sched: add skbprio scheduler 2018-07-24 14:44:00 -07:00
sch_api.c net: sched: extend Qdisc with rcu 2018-09-25 20:17:35 -07:00
sch_atm.c net: sched: rename qdisc_destroy() to qdisc_put() 2018-09-25 20:17:35 -07:00
sch_blackhole.c net_sched: blackhole: tell upper qdisc about dropped packets 2018-06-17 08:42:33 +09:00
sch_cake.c net: Add and use skb_mark_not_on_list(). 2018-09-10 10:06:54 -07:00
sch_cbq.c net: sched: rename qdisc_destroy() to qdisc_put() 2018-09-25 20:17:35 -07:00
sch_cbs.c net: sched: rename qdisc_destroy() to qdisc_put() 2018-09-25 20:17:35 -07:00
sch_choke.c net: sched: sch: add extack for change qdisc ops 2017-12-21 12:32:50 -05:00
sch_codel.c net: sched: sch: add extack for change qdisc ops 2017-12-21 12:32:50 -05:00
sch_drr.c net: sched: rename qdisc_destroy() to qdisc_put() 2018-09-25 20:17:35 -07:00
sch_dsmark.c net: sched: rename qdisc_destroy() to qdisc_put() 2018-09-25 20:17:35 -07:00
sch_etf.c net/sched: Make etf report drops on error_queue 2018-07-04 22:30:28 +09:00
sch_fifo.c net: sched: rename qdisc_destroy() to qdisc_put() 2018-09-25 20:17:35 -07:00
sch_fq_codel.c net: Add and use skb_mark_not_on_list(). 2018-09-10 10:06:54 -07:00
sch_fq.c net_sched: sch_fq: remove dead code dealing with retransmits 2018-09-21 19:38:00 -07:00
sch_generic.c net: sched: extend Qdisc with rcu 2018-09-25 20:17:35 -07:00
sch_gred.c net: sched: sch: add extack for change qdisc ops 2017-12-21 12:32:50 -05:00
sch_hfsc.c net: sched: rename qdisc_destroy() to qdisc_put() 2018-09-25 20:17:35 -07:00
sch_hhf.c net: Add and use skb_mark_not_on_list(). 2018-09-10 10:06:54 -07:00
sch_htb.c net: sched: rename qdisc_destroy() to qdisc_put() 2018-09-25 20:17:35 -07:00
sch_ingress.c net: sched: allow ingress and clsact qdiscs to share filter blocks 2018-01-17 14:53:57 -05:00
sch_mq.c net: sched: rename qdisc_destroy() to qdisc_put() 2018-09-25 20:17:35 -07:00
sch_mqprio.c net: sched: rename qdisc_destroy() to qdisc_put() 2018-09-25 20:17:35 -07:00
sch_multiq.c net: sched: rename qdisc_destroy() to qdisc_put() 2018-09-25 20:17:35 -07:00
sch_netem.c net: sched: rename qdisc_destroy() to qdisc_put() 2018-09-25 20:17:35 -07:00
sch_pie.c net: sched: sch: add extack for change qdisc ops 2017-12-21 12:32:50 -05:00
sch_plug.c net: sched: sch: add extack for change qdisc ops 2017-12-21 12:32:50 -05:00
sch_prio.c net: sched: rename qdisc_destroy() to qdisc_put() 2018-09-25 20:17:35 -07:00
sch_qfq.c net: sched: rename qdisc_destroy() to qdisc_put() 2018-09-25 20:17:35 -07:00
sch_red.c net: sched: rename qdisc_destroy() to qdisc_put() 2018-09-25 20:17:35 -07:00
sch_sfb.c net: sched: rename qdisc_destroy() to qdisc_put() 2018-09-25 20:17:35 -07:00
sch_sfq.c net: sch: api: add extack support in tcf_block_get 2017-12-21 12:32:51 -05:00
sch_skbprio.c net/sched: add skbprio scheduler 2018-07-24 14:44:00 -07:00
sch_tbf.c net: sched: rename qdisc_destroy() to qdisc_put() 2018-09-25 20:17:35 -07:00
sch_teql.c net: sched: sch: add extack for init callback 2017-12-21 12:32:50 -05:00