AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/net/sched
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Jesus Sanchez-Palencia 4b15c70753 net/sched: Make etf report drops on error_queue 
Use the socket error queue for reporting dropped packets if the
socket has enabled that feature through the SO_TXTIME API.

Packets are dropped either on enqueue() if they aren't accepted by the
qdisc or on dequeue() if the system misses their deadline. Those are
reported as different errors so applications can react accordingly.

Userspace can retrieve the errors through the socket error queue and the
corresponding cmsg interfaces. A struct sock_extended_err* is used for
returning the error data, and the packet's timestamp can be retrieved by
adding both ee_data and ee_info fields as e.g.:

    ((__u64) serr->ee_data << 32) + serr->ee_info

This feature is disabled by default and must be explicitly enabled by
applications. Enabling it can bring some overhead for the Tx cycles
of the application.

Signed-off-by: Jesus Sanchez-Palencia <jesus.sanchez-palencia@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-07-04 22:30:28 +09:00
..
act_api.c net: sched: don't disable bh when accessing action idr 2018-05-22 15:34:34 -04:00
act_bpf.c net/sched: fix NULL dereference in the error path of tcf_bpf_init() 2018-04-05 22:26:06 -04:00
act_connmark.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
act_csum.c net sched: Implemented get_fill_size routine for act_csum. 2018-05-03 11:15:58 -04:00
act_gact.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
act_ife.c net/sched: act_ife: preserve the action control in case of error 2018-06-20 09:03:58 +09:00
act_ipt.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
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: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
act_nat.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
act_pedit.c net: sched: act_pedit: fix possible memory leak in tcf_pedit_init() 2018-07-04 22:08:21 +09:00
act_police.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
act_sample.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
act_simple.c net/sched: act_simple: fix parsing of TCA_DEF_DATA 2018-06-08 18:49:19 -04:00
act_skbedit.c net:sched: add action inheritdsfield to skbedit 2018-07-04 21:27:42 +09:00
act_skbmod.c net sched actions: fix refcnt leak in skbmod 2018-05-11 16:37:03 -04:00
act_tunnel_key.c net/sched: add tunnel option support to act_tunnel_key 2018-06-29 23:50:26 +09:00
act_vlan.c net/sched: fix refcnt leak in the error path of tcf_vlan_init() 2018-05-16 14:41:44 -04:00
cls_api.c net: sched: call reoffload op on block callback reg 2018-06-26 23:21:33 +09:00
cls_basic.c net_sched: switch to rcu_work 2018-05-24 22:56:15 -04:00
cls_bpf.c net: sched: cls_bpf: implement offload tcf_proto_op 2018-06-26 23:21:33 +09:00
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: cls_flower: implement offload tcf_proto_op 2018-06-26 23:21:32 +09:00
cls_fw.c net_sched: switch to rcu_work 2018-05-24 22:56:15 -04:00
cls_matchall.c net: sched: cls_matchall: implement offload tcf_proto_op 2018-06-26 23:21:33 +09:00
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: switch to rcu_work 2018-05-24 22:56:15 -04:00
cls_u32.c net: sched: cls_u32: implement offload tcf_proto_op 2018-06-26 23:21:33 +09:00
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_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 net: Remove state argument from skb_find_text() 2015-02-22 15:59:54 -05:00
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 the ETF Qdisc 2018-07-04 22:30:27 +09:00
Makefile net/sched: Introduce the ETF Qdisc 2018-07-04 22:30:27 +09:00
sch_api.c net/sched: Allow creating a Qdisc watchdog with other clocks 2018-07-04 22:30:27 +09:00
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: blackhole: tell upper qdisc about dropped packets 2018-06-17 08:42:33 +09:00
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_etf.c net/sched: Make etf report drops on error_queue 2018-07-04 22:30:28 +09:00
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 treewide: kvzalloc() -> kvcalloc() 2018-06-12 16:19:22 -07:00
sch_fq.c net_sched: fq: take care of throttled flows before reuse 2018-05-02 16:37:38 -04:00
sch_generic.c net: remove bypassed check in sch_direct_xmit() 2018-05-31 13:26:19 -04:00
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: remove a bogus warning in hfsc 2018-06-23 10:58:46 +09:00
sch_hhf.c treewide: kvzalloc() -> kvcalloc() 2018-06-12 16:19:22 -07:00
sch_htb.c net_sched: remove unused htb drop_list 2018-06-24 16:42:46 +09:00
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: mq: request stats from offloads 2018-05-29 09:49:16 -04:00
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 netem: slotting with non-uniform distribution 2018-06-28 22:06:24 +09:00
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: sch: prio: Add offload ability for grafting a child 2018-02-28 12:06:01 -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: avoid hashing NULL child 2018-05-18 13:52:32 -04:00
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: sched: red: avoid hashing NULL child 2018-05-18 13:52:32 -04:00
sch_teql.c net: sched: sch: add extack for init callback 2017-12-21 12:32:50 -05:00