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48bfd55e7e
linux/net/sched
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Cong Wang 48bfd55e7e net_sched: plug in qdisc ops change_tx_queue_len 
Introduce a new qdisc ops ->change_tx_queue_len() so that
each qdisc could decide how to implement this if it wants.
Previously we simply read dev->tx_queue_len, after pfifo_fast
switches to skb array, we need this API to resize the skb array
when we change dev->tx_queue_len.

To avoid handling race conditions with TX BH, we need to
deactivate all TX queues before change the value and bring them
back after we are done, this also makes implementation easier.

Cc: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-29 12:42:15 -05:00
..
act_api.c net_sched: remove unused parameter from act cleanup ops 2017-12-05 18:07:58 -05:00
act_bpf.c net_sched: switch to exit_batch for action pernet ops 2017-12-13 13:58:41 -05:00
act_connmark.c net_sched: switch to exit_batch for action pernet ops 2017-12-13 13:58:41 -05:00
act_csum.c net/sched: act_csum: don't use spinlock in the fast path 2018-01-23 19:51:46 -05:00
act_gact.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-01-09 10:37:00 -05:00
act_ife.c net_sched: switch to exit_batch for action pernet ops 2017-12-13 13:58:41 -05:00
act_ipt.c net_sched: switch to exit_batch for action pernet ops 2017-12-13 13:58:41 -05:00
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 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-01-09 10:37:00 -05:00
act_nat.c net_sched: switch to exit_batch for action pernet ops 2017-12-13 13:58:41 -05:00
act_pedit.c net_sched: switch to exit_batch for action pernet ops 2017-12-13 13:58:41 -05:00
act_police.c net: sch: api: add extack support in qdisc_get_rtab 2017-12-21 12:32:50 -05:00
act_sample.c net_sched: switch to exit_batch for action pernet ops 2017-12-13 13:58:41 -05:00
act_simple.c net_sched: switch to exit_batch for action pernet ops 2017-12-13 13:58:41 -05:00
act_skbedit.c net_sched: switch to exit_batch for action pernet ops 2017-12-13 13:58:41 -05:00
act_skbmod.c net_sched: switch to exit_batch for action pernet ops 2017-12-13 13:58:41 -05:00
act_tunnel_key.c net_sched: switch to exit_batch for action pernet ops 2017-12-13 13:58:41 -05:00
act_vlan.c net_sched: switch to exit_batch for action pernet ops 2017-12-13 13:58:41 -05:00
cls_api.c net: sched: propagate extack to cls->destroy callbacks 2018-01-24 16:01:09 -05:00
cls_basic.c net: sched: propagate extack to cls->destroy callbacks 2018-01-24 16:01:09 -05:00
cls_bpf.c cls_bpf: propagate extack to offload delete callback 2018-01-24 16:01:10 -05:00
cls_cgroup.c net: sched: propagate extack to cls->destroy callbacks 2018-01-24 16:01:09 -05:00
cls_flow.c net: sched: propagate extack to cls->destroy callbacks 2018-01-24 16:01:09 -05:00
cls_flower.c cls_flower: propagate extack to delete callback 2018-01-24 16:01:10 -05:00
cls_fw.c net: sched: propagate extack to cls->destroy callbacks 2018-01-24 16:01:09 -05:00
cls_matchall.c cls_matchall: propagate extack to delete callback 2018-01-24 16:01:10 -05:00
cls_route.c net: sched: propagate extack to cls->destroy callbacks 2018-01-24 16:01:09 -05:00
cls_rsvp6.c
cls_rsvp.c
cls_rsvp.h net: sched: propagate extack to cls->destroy callbacks 2018-01-24 16:01:09 -05:00
cls_tcindex.c net: sched: propagate extack to cls->destroy callbacks 2018-01-24 16:01:09 -05:00
cls_u32.c cls_u32: propagate extack to delete callback 2018-01-24 16:01:11 -05:00
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_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: Introduce Credit Based Shaper (CBS) qdisc 2017-10-27 09:48:02 -07:00
Makefile Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-04 09:26:51 +09:00
sch_api.c net: sched: introduce ingress/egress block index attributes for qdisc 2018-01-17 14:53:57 -05:00
sch_atm.c net: sch: api: add extack support in qdisc_create_dflt 2017-12-21 12:32:51 -05:00
sch_blackhole.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_cbq.c net: sch: sch_cbq: add extack support 2017-12-21 12:32:51 -05:00
sch_cbs.c net: sch: sch_cbs: add extack support 2017-12-21 12:32:51 -05:00
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: sch: sch_drr: add extack support 2017-12-21 12:32:51 -05:00
sch_dsmark.c net: sch: api: add extack support in qdisc_create_dflt 2017-12-21 12:32:51 -05:00
sch_fifo.c net: sch: api: add extack support in qdisc_create_dflt 2017-12-21 12:32:51 -05:00
sch_fq_codel.c net: sch: api: add extack support in tcf_block_get 2017-12-21 12:32:51 -05:00
sch_fq.c net: sched: sch: add extack for change qdisc ops 2017-12-21 12:32:50 -05:00
sch_generic.c net_sched: plug in qdisc ops change_tx_queue_len 2018-01-29 12:42:15 -05:00
sch_gred.c net: sched: sch: add extack for change qdisc ops 2017-12-21 12:32:50 -05:00
sch_hfsc.c net: sch: api: add extack support in qdisc_create_dflt 2017-12-21 12:32:51 -05:00
sch_hhf.c net: sched: sch: add extack for change qdisc ops 2017-12-21 12:32:50 -05:00
sch_htb.c net: sch: api: add extack support in qdisc_create_dflt 2017-12-21 12:32:51 -05:00
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: sch: api: add extack support in qdisc_create_dflt 2017-12-21 12:32:51 -05:00
sch_mqprio.c net: sch: api: add extack support in qdisc_create_dflt 2017-12-21 12:32:51 -05:00
sch_multiq.c net: sch: api: add extack support in qdisc_create_dflt 2017-12-21 12:32:51 -05:00
sch_netem.c net: sched: sch: add extack for graft callback 2017-12-21 12:32:50 -05:00
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/sch_prio.c: work around gcc-4.4.4 union initializer issues 2018-01-18 21:11:31 -05:00
sch_qfq.c net: sch: api: add extack support in qdisc_create_dflt 2017-12-21 12:32:51 -05:00
sch_red.c net: sched: red: don't reset the backlog on every stat dump 2018-01-17 14:29:32 -05:00
sch_sfb.c net: sch: api: add extack support in qdisc_create_dflt 2017-12-21 12:32:51 -05:00
sch_sfq.c net: sch: api: add extack support in tcf_block_get 2017-12-21 12:32:51 -05:00
sch_tbf.c net: sch: api: add extack support in qdisc_create_dflt 2017-12-21 12:32:51 -05:00
sch_teql.c net: sched: sch: add extack for init callback 2017-12-21 12:32:50 -05:00