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Vlad Buslov 8b64678e0a net: sched: refactor tp insert/delete for concurrent execution 
Implement unique insertion function to atomically attach tcf_proto to chain
after verifying that no other tcf proto with specified priority exists.
Implement delete function that verifies that tp is actually empty before
deleting it. Use these functions to refactor cls API to account for
concurrent tp and rule update instead of relying on rtnl lock. Add new
'deleting' flag to tcf proto. Use it to restart search when iterating over
tp's on chain to prevent accessing potentially inval tp->next pointer.

Extend tcf proto with spinlock that is intended to be used to protect its
data from concurrent modification instead of relying on rtnl mutex. Use it
to protect 'deleting' flag. Add lockdep macros to validate that lock is
held when accessing protected fields.

Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2019-02-12 13:41:33 -05:00
..
9p 9p: Add refcount to p9_req_t 2018-09-08 01:39:47 +09:00
bluetooth Bluetooth: Errata Service Release 8, Erratum 3253 2018-10-14 10:25:47 +02:00
caif caif: reduce stack size with KASAN 2018-01-19 14:02:12 -05:00
iucv net/af_iucv: locate IUCV header via skb_network_header() 2018-09-26 09:56:07 -07:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-02-08 15:00:17 -08:00
netns Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2019-01-28 19:38:33 -08:00
nfc NFC: Fix the number of pipes 2018-09-18 19:55:01 -07:00
phonet proc: introduce proc_create_net{,_data} 2018-05-16 07:24:30 +02:00
sctp sctp: add SCTP_FUTURE_ASOC and SCTP_CURRENT_ASSOC for SCTP_STREAM_SCHEDULER sockopt 2019-01-30 00:44:08 -08:00
tc_act net: Change TCA_ACT_* to TCA_ID_* to match that of TCA_ID_POLICE 2019-02-10 09:28:43 -08:00
6lowpan.h 6lowpan: Fix IID format for Bluetooth 2017-04-12 22:02:36 +02:00
Space.h net/mac89x0: Convert to platform_driver 2018-03-01 21:21:36 -05:00
act_api.h net: Change TCA_ACT_* to TCA_ID_* to match that of TCA_ID_POLICE 2019-02-10 09:28:43 -08:00
addrconf.h bridge: Snoop Multicast Router Advertisements 2019-01-22 17:18:09 -08:00
af_ieee802154.h ieee802154: add rx LQI from userspace 2018-07-13 12:18:18 -04:00
af_rxrpc.h Revert "rxrpc: Allow failed client calls to be retried" 2019-01-15 21:33:36 -08:00
af_unix.h net: drop a space before tabs 2018-10-31 12:37:12 -07:00
af_vsock.h vsock: split dwork to avoid reinitializations 2018-08-07 12:39:13 -07:00
ah.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
arp.h ipv4: Make neigh lookup keys for loopback/point-to-point devices be INADDR_ANY 2018-01-15 14:53:43 -05:00
atmclip.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ax25.h ax25: fix possible use-after-free 2019-01-23 11:18:00 -08:00
ax88796.h net-next: ax88796: add interrupt status callback to platform data 2018-04-19 16:11:11 -04:00
bond_3ad.h bonding: count master 3ad stats separately 2019-01-24 22:18:48 -08:00
bond_alb.h
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bond_options.h bonding: Prevent duplicate userspace notification 2017-05-27 18:51:41 -04:00
bonding.h bonding: avoid possible dead-lock 2018-09-26 20:22:19 -07:00
busy_poll.h net: remove sock_poll_busy_flag 2018-07-30 09:10:25 -07:00
calipso.h net, calipso: convert calipso_doi.refcount from atomic_t to refcount_t 2017-07-04 22:35:16 +01:00
cfg80211-wext.h
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cfg80211.h cfg80211: add missing documentation that kernel-doc warns about 2019-02-01 11:53:15 +01:00
cfg802154.h ieee802154: add netns support 2016-07-08 12:20:57 +02:00
checksum.h Remove 'type' argument from access_ok() function 2019-01-03 18:57:57 -08:00
cipso_ipv4.h net, ipv4: convert cipso_v4_doi.refcount from atomic_t to refcount_t 2017-07-04 01:29:04 -07:00
cls_cgroup.h
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codel.h
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codel_impl.h
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codel_qdisc.h
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compat.h net: remove compat_sys_*() prototypes from net/compat.h 2018-04-02 20:16:17 +02:00
datalink.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
dcbevent.h
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dcbnl.h net: dcb: Add priority-to-DSCP map getters 2018-07-27 13:17:50 -07:00
devlink.h Revert "devlink: Add a generic wake_on_lan port parameter" 2019-02-12 12:13:22 -05:00
dn.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-04 09:26:51 +09:00
dn_dev.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
dn_fib.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
dn_neigh.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
dn_nsp.h net/decnet: Convert timers to use timer_setup() 2017-10-18 12:39:36 +01:00
dn_route.h decnet: Move dn_next into decnet route structure. 2017-11-30 09:54:25 -05:00
dsa.h net: dsa: Split platform data to header file 2019-01-17 11:31:24 -08:00
dsfield.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
dst.h geneve, vxlan: Don't set exceptions if skb->len < mtu 2018-10-17 21:51:13 -07:00
dst_cache.h net: core: dst_cache_set_ip6: Rename 'addr' parameter to 'saddr' for consistency 2018-03-05 12:52:45 -05:00
dst_metadata.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-04 09:26:51 +09:00
dst_ops.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
erspan.h erspan: set bso bit based on mirrored packet's len 2018-05-20 18:31:42 -04:00
esp.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ethoc.h inet: whitespace cleanup 2018-02-28 11:43:28 -05:00
failover.h net: Introduce generic failover module 2018-05-28 22:59:54 -04:00
fib_notifier.h net: Add extack to fib_notifier_info 2017-11-01 11:50:43 +09:00
fib_rules.h net: fib_rules: add extack support 2018-04-23 10:21:24 -04:00
firewire.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
flow.h net: reorder flowi_common fields to avoid holes 2018-11-30 17:12:39 -08:00
flow_dissector.h net/flow_dissector: correct comments on enum flow_dissector_key_id 2018-11-30 13:21:52 -08:00
flow_offload.h flow_offload: Fix flow action infrastructure 2019-02-11 21:30:14 -08:00
fou.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
fq.h fq: support filtering a given tin 2017-10-11 09:49:34 +02:00
fq_impl.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-10-30 21:09:24 +09:00
garp.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
gen_stats.h net: align gnet_stats_basic_cpu struct 2018-11-17 21:37:29 -08:00
genetlink.h genetlink: constify genl_err_attr() argument 2018-08-29 19:42:52 -07:00
geneve.h net: add netif_is_geneve() 2018-11-07 23:00:23 -08:00
gre.h net: Add netif_is_gretap()/netif_is_ip6gretap() 2018-12-10 15:53:04 -08:00
gro_cells.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
gtp.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
gue.h fou: fix some member types in guehdr 2017-12-11 14:10:06 -05:00
hwbm.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
icmp.h net: Convert protocol error handlers from void to int 2018-11-08 17:13:08 -08:00
ieee80211_radiotap.h mac80211: support reporting 0-length PSDU in radiotap 2018-09-05 10:08:25 +02:00
ieee802154_netdev.h
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if_inet6.h net/ipv6: Add anycast addresses to a global hashtable 2018-11-02 23:54:56 -07:00
ife.h net: sched: ife: handle malformed tlv length 2018-04-22 21:12:00 -04:00
ila.h
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inet6_connection_sock.h inet: drop ->bind_conflict 2017-01-18 13:04:28 -05:00
inet6_hashtables.h net: allow binding socket in a VRF when there's an unbound socket 2018-11-07 16:12:38 -08:00
inet_common.h net: use indirect call wrappers at GRO transport layer 2018-12-15 13:23:02 -08:00
inet_connection_sock.h tcp: change pingpong threshold to 3 2019-01-27 13:29:43 -08:00
inet_ecn.h inet: Refactor INET_ECN_decapsulate() 2018-10-17 17:45:07 -07:00
inet_frag.h net: IP defrag: encapsulate rbtree defrag code into callable functions 2019-01-25 21:37:11 -08:00
inet_hashtables.h net: dccp: fix kernel crash on module load 2018-12-24 15:27:56 -08:00
inet_sock.h net: ensure unbound stream socket to be chosen when not in a VRF 2018-11-07 16:12:38 -08:00
inet_timewait_sock.h net-tcp: remove useless tw_timeout field 2018-06-05 10:45:24 -04:00
inetpeer.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ip.h ip: factor out protocol delivery helper 2018-11-07 16:23:05 -08:00
ip6_checksum.h
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ip6_fib.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-10-19 11:03:06 -07:00
ip6_route.h net: Add struct for fib dump filter 2018-10-16 00:13:12 -07:00
ip6_tunnel.h udp: Support for error handlers of tunnels with arbitrary destination port 2018-11-08 17:13:08 -08:00
ip_fib.h net: ipv4: Fix memory leak in network namespace dismantle 2019-01-15 13:33:44 -08:00
ip_tunnels.h ip_tunnel: Add tnl_update_pmtu in ip_md_tunnel_xmit 2019-01-26 09:43:03 -08:00
ip_vs.h ipvs: avoid indirect calls when calculating checksums 2019-01-28 11:15:58 +01:00
ipcomp.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ipconfig.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ipv6.h ipv6: factor out protocol delivery helper 2018-11-07 16:23:05 -08:00
ipv6_frag.h net: IP6 defrag: use rbtrees for IPv6 defrag 2019-01-25 21:37:11 -08:00
ipx.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
iw_handler.h net: Spelling s/stucture/structure/ 2018-03-27 09:51:23 +02:00
kcm.h kcm: Use stream parser 2016-08-17 19:36:23 -04:00
l3mdev.h ipvlan, l3mdev: fix broken l3s mode wrt local routes 2019-01-30 22:13:34 -08:00
lag.h net: Add lag.h, net_lag_port_dev_txable() 2018-07-11 23:10:19 -07:00
lapb.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
lib80211.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
llc.h llc: avoid blocking in llc_sap_close() 2018-09-13 09:04:58 -07:00
llc_c_ac.h net: LLC: Convert timers to use timer_setup() 2017-10-25 12:06:25 +09:00
llc_c_ev.h
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llc_c_st.h
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llc_conn.h llc: delete timers synchronously in llc_sk_free() 2018-04-22 14:55:03 -04:00
llc_if.h
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llc_pdu.h
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llc_s_ac.h
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llc_s_ev.h
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llc_s_st.h
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llc_sap.h
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lwtunnel.h net: Move ipv4 set_lwt_redirect helper to lwtunnel 2018-02-14 14:43:32 -05:00
mac80211.h mac80211: fix missing/malformed documentation 2019-02-01 12:11:13 +01:00
mac802154.h ieee802154: cleanup WARN_ON for fc fetch 2016-07-08 13:23:12 +02:00
mip6.h
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mld.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mpls.h openvswitch: use mpls_hdr 2016-10-03 02:00:22 -04:00
mpls_iptunnel.h net: mpls: Increase max number of labels for lwt encap 2017-04-01 20:21:44 -07:00
mrp.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ncsi.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ndisc.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
neighbour.h neighbour: register rtnl doit handler 2018-12-19 13:37:34 -08:00
net_failover.h net: Introduce net_failover driver 2018-05-28 22:59:54 -04:00
net_namespace.h net: xsk: track AF_XDP sockets on a per-netns list 2019-01-25 01:50:03 +01:00
net_ratelimit.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
netevent.h net: ipv4: Notify about changes to ip_forward_update_priority 2018-08-01 09:52:30 -07:00
netlabel.h net: convert netlbl_lsm_cache.refcount from atomic_t to refcount_t 2017-07-01 07:39:09 -07:00
netlink.h netlink: reduce NLA_POLICY_NESTED{,_ARRAY} arguments 2019-02-01 11:06:55 +01:00
netprio_cgroup.h
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netrom.h proc: introduce proc_create_seq{,_data} 2018-05-16 07:23:35 +02:00
nexthop.h net: fix rtnh_ok() 2018-04-07 22:32:31 -04:00
nl802154.h ieee802154: add netns support 2016-07-08 12:20:57 +02:00
nsh.h openvswitch: enable NSH support 2017-11-08 16:12:33 +09:00
p8022.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
page_pool.h xdp: introduce xdp_return_frame_rx_napi 2018-05-24 18:36:15 -07:00
ping.h ipv{4,6}/ping: simplify proc file creation 2018-05-16 07:23:35 +02:00
pkt_cls.h net: sched: traverse classifiers in chain with tcf_get_next_proto() 2019-02-12 13:41:33 -05:00
pkt_sched.h net: sched: extend Qdisc with rcu 2018-09-25 20:17:35 -07:00
pptp.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
protocol.h net: Convert protocol error handlers from void to int 2018-11-08 17:13:08 -08:00
psample.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
psnap.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
raw.h net: fix raw socket lookup device bind matching with VRFs 2018-11-07 16:12:39 -08:00
rawv6.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
red.h net_sched: red: Avoid illegal values 2017-12-05 14:37:13 -05:00
regulatory.h cfg80211: make wmm_rule part of the reg_rule structure 2018-08-28 11:11:47 +02:00
request_sock.h tcp: socket option to set TCP fast open key 2017-10-20 13:21:36 +01:00
rose.h proc: introduce proc_create_seq{,_data} 2018-05-16 07:23:35 +02:00
route.h net-ipv4: remove 2 always zero parameters from ipv4_redirect() 2018-09-26 20:30:55 -07:00
rsi_91x.h Bluetooth: btrsi: add new rsi bluetooth driver 2018-03-13 18:37:02 +02:00
rtnetlink.h net: Add extack argument to rtnl_create_link 2018-11-06 15:00:45 -08:00
sch_generic.h net: sched: refactor tp insert/delete for concurrent execution 2019-02-12 13:41:33 -05:00
scm.h pids: Compute task_tgid using signal->leader_pid 2018-07-21 10:43:12 -05:00
secure_seq.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
seg6.h net: seg6.h: remove an unused #include 2018-12-20 16:56:04 -08:00
seg6_hmac.h rhashtable: split rhashtable.h 2018-06-22 13:43:27 +09:00
seg6_local.h bpf: add End.DT6 action to bpf_lwt_seg6_action helper 2018-07-31 09:22:48 +02:00
slhc_vj.h slip: Check if rstate is initialized before uncompressing 2018-04-11 10:33:46 -04:00
smc.h net/smc: add pnetid support for SMC-D and ISM 2018-06-30 20:42:25 +09:00
snmp.h
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sock.h socket: Add SO_TIMESTAMP[NS]_NEW 2019-02-03 11:17:31 -08:00
sock_reuseport.h bpf: Enable BPF_PROG_TYPE_SK_REUSEPORT bpf prog in reuseport selection 2018-08-11 01:58:46 +02:00
stp.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
strparser.h strparser: Add __strp_unpause and use it in ktls. 2018-06-06 14:07:53 -04:00
switchdev.h net: Get rid of SWITCHDEV_ATTR_ID_PORT_PARENT_ID 2019-02-06 14:17:03 -08:00
tcp.h tcp: allow zerocopy with fastopen 2019-01-25 22:41:08 -08:00
tcp_states.h tcp: remove the hardcode in the definition of TCPF Macro 2018-02-21 15:06:05 -05:00
timewait_sock.h
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tipc.h flow_dissector: do not rely on implicit casts 2018-05-08 00:02:41 -04:00
tls.h net: tls: Set async_capable for tls zerocopy only if we see EINPROGRESS 2019-02-01 15:05:07 -08:00
transp_v6.h ipv6: fold sockcm_cookie into ipcm6_cookie 2018-07-07 10:58:49 +09:00
tso.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
tun_proto.h vxlan: factor out VXLAN-GPE next protocol 2017-08-29 15:16:52 -07:00
udp.h net: Convert protocol error handlers from void to int 2018-11-08 17:13:08 -08:00
udp_tunnel.h udp_tunnel: add config option to bind to a device 2018-12-03 14:15:26 -08:00
udplite.h udplite: fix partial checksum initialization 2018-02-16 15:57:42 -05:00
vsock_addr.h
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vxlan.h vxlan: Add extack to switchdev operations 2019-01-17 15:18:47 -08:00
wext.h lift handling of SIOCIW... out of dev_ioctl() 2018-01-24 19:13:45 -05:00
wimax.h
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x25.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
x25device.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xdp.h xdp: export xdp_rxq_info_unreg_mem_model 2018-08-29 12:25:53 -07:00
xdp_sock.h xsk: add id to umem 2019-01-25 01:50:03 +01:00
xfrm.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-12-20 11:53:36 -08:00