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linux/net/ipv4
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Jordan Rife f5080f612a bpf: tcp: Avoid socket skips and repeats during iteration 
Replace the offset-based approach for tracking progress through a bucket
in the TCP table with one based on socket cookies. Remember the cookies
of unprocessed sockets from the last batch and use this list to
pick up where we left off or, in the case that the next socket
disappears between reads, find the first socket after that point that
still exists in the bucket and resume from there.

This approach guarantees that all sockets that existed when iteration
began and continue to exist throughout will be visited exactly once.
Sockets that are added to the table during iteration may or may not be
seen, but if they are they will be seen exactly once.

Signed-off-by: Jordan Rife <jordan@jrife.io>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
2025-07-14 12:09:09 -07:00
..
netfilter netfilter: nf_dup{4, 6}: Move duplication check to task_struct 2025-05-23 13:57:12 +02:00
af_inet.c net: Retire DCCP socket. 2025-04-11 18:58:10 -07:00
ah4.c net: fill in MODULE_DESCRIPTION()s for ipv4 modules 2024-02-09 14:12:02 -08:00
arp.c net: arp: use kfree_skb_reason() in arp_rcv() 2025-06-13 17:30:02 -07:00
bpf_tcp_ca.c tcp: Pass flags to __tcp_send_ack 2025-03-17 13:56:38 +00:00
cipso_ipv4.c move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
datagram.c ipv4: Use inet_sk_init_flowi4() in ip4_datagram_release_cb(). 2024-12-20 13:50:09 -08:00
devinet.c ipv4: Use nlmsg_payload in devinet file 2025-04-16 18:33:02 -07:00
esp4_offload.c xfrm: Add an inbound percpu state cache. 2024-10-29 11:56:18 +01:00
esp4.c espintcp: remove encap socket caching to avoid reference leak 2025-04-14 11:59:17 +02:00
fib_frontend.c inet: Remove rtnl_is_held arg of lwtunnel_valid_encap_type(_attr)?(). 2025-05-20 19:18:24 -07:00
fib_lookup.h
fib_notifier.c net: do not acquire rtnl in fib_seq_sum() 2024-10-11 15:35:05 -07:00
fib_rules.c ipv4: fib_rules: Add DSCP mask matching 2025-02-21 16:08:47 -08:00
fib_semantics.c ipv4: fib: Remove unnecessary encap_type check 2025-06-26 17:16:03 -07:00
fib_trie.c ipv4: fib: Move fib_valid_key_len() to rtm_to_fib_config(). 2025-03-03 15:04:11 -08:00
fou_bpf.c ip_tunnel: convert __be16 tunnel flags to bitmaps 2024-04-01 10:49:28 +01:00
fou_core.c fou: fix initialization of grc 2024-09-09 17:21:47 -07:00
fou_nl.c tools: ynl-gen: use big-endian netlink attribute types 2024-10-22 15:33:24 +02:00
fou_nl.h net: ynl: prefix uAPI header include with uapi/ 2023-05-26 10:30:14 +01:00
gre_demux.c net: ip_gre: Fix spelling mistake "demultiplexor" -> "demultiplexer" 2025-04-24 18:20:40 -07:00
gre_offload.c net: gro: rename skb_gro_header_hard() 2024-03-05 13:30:11 +01:00
icmp.c inet: ping: avoid skb_clone() dance in ping_rcv() 2025-02-28 14:41:33 -08:00
igmp_internal.h netlink: support dumping IPv4 multicast addresses 2025-02-11 11:26:53 +01:00
igmp.c treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
inet_connection_sock.c net: remove sock_i_uid() 2025-06-23 17:04:03 -07:00
inet_diag.c net: remove sock_i_uid() 2025-06-23 17:04:03 -07:00
inet_fragment.c treewide: Switch/rename to timer_delete[_sync]() 2025-04-05 10:30:12 +02:00
inet_hashtables.c net: remove sock_i_uid() 2025-06-23 17:04:03 -07:00
inet_timewait_sock.c treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
inetpeer.c inetpeer: use EXPORT_IPV6_MOD[_GPL]() 2025-02-14 13:09:39 -08:00
ip_forward.c net: fix IPSTATS_MIB_OUTFORWDATAGRAMS increment after fragment check 2023-10-13 09:58:45 -07:00
ip_fragment.c treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
ip_gre.c ipv4: ip_tunnel: Convert ip_tunnel_delete_nets() callers to ->exit_rtnl(). 2025-04-14 17:08:42 -07:00
ip_input.c ipv4: remove useless arg 2025-01-02 17:17:40 -08:00
ip_options.c net: ip: make ip_route_input() return drop reasons 2024-11-12 11:24:51 +01:00
ip_output.c net: devmem: Implement TX path 2025-05-13 11:12:48 +02:00
ip_sockglue.c Networking changes for 6.14. 2025-01-22 08:28:57 -08:00
ip_tunnel_core.c net: ipv4: Add a flags argument to iptunnel_xmit(), udp_tunnel_xmit_skb() 2025-06-17 18:18:44 -07:00
ip_tunnel.c net: ipv4: Add a flags argument to iptunnel_xmit(), udp_tunnel_xmit_skb() 2025-06-17 18:18:44 -07:00
ip_vti.c ipv4: ip_tunnel: Convert ip_tunnel_delete_nets() callers to ->exit_rtnl(). 2025-04-14 17:08:42 -07:00
ipcomp.c
ipconfig.c net: ipconfig: move ic_nameservers_fallback into #ifdef block 2023-05-22 11:17:55 +01:00
ipip.c ipv4: ip_tunnel: Convert ip_tunnel_delete_nets() callers to ->exit_rtnl(). 2025-04-14 17:08:42 -07:00
ipmr_base.c ipmr: do not call mr_mfc_uses_dev() for unres entries 2025-01-23 07:08:13 -08:00
ipmr.c net: ipv4: Add ip_mr_output() 2025-06-17 18:18:45 -07:00
Kconfig net: Retire DCCP socket. 2025-04-11 18:58:10 -07:00
Makefile bpfilter: remove bpfilter 2024-01-04 10:23:10 -08:00
metrics.c net: remove NULL-pointer net parameter in ip_metrics_convert 2024-06-05 10:06:00 +01:00
netfilter.c netfilter: ipv4: Convert ip_route_me_harder() to dscp_t. 2024-11-15 11:00:29 +01:00
netlink.c
nexthop.c net: Remove unnecessary NULL check for lwtunnel_fill_encap() 2025-06-25 16:52:46 -07:00
ping.c net: remove sock_i_uid() 2025-06-23 17:04:03 -07:00
proc.c tcp: add LINUX_MIB_PAWS_TW_REJECTED counter 2025-04-10 18:29:26 -07:00
protocol.c
raw_diag.c inet_diag: add module pointer to "struct inet_diag_handler" 2024-01-23 15:13:54 +01:00
raw.c net: remove sock_i_uid() 2025-06-23 17:04:03 -07:00
route.c net: Remove unnecessary NULL check for lwtunnel_fill_encap() 2025-06-25 16:52:46 -07:00
syncookies.c net: annotate races around sk->sk_uid 2025-06-23 17:04:03 -07:00
sysctl_net_ipv4.c tcp: add tcp_rto_max_ms sysctl 2025-02-11 13:08:00 +01:00
tcp_ao.c net/tcp: Add missing lockdep annotations for TCP-AO hlist traversals 2024-11-03 12:10:11 -08:00
tcp_bbr.c tcp: Add new args for cong_control in tcp_congestion_ops 2024-05-02 16:26:56 -07:00
tcp_bic.c
tcp_bpf.c bpf: Fix wrong copied_seq calculation 2025-01-29 13:32:23 -08:00
tcp_cdg.c
tcp_cong.c tcp: only release congestion control if it has been initialized 2024-10-31 18:22:48 -07:00
tcp_cubic.c tcp_cubic: fix incorrect HyStart round start detection 2025-01-20 12:26:41 +00:00
tcp_dctcp.c tcp: helpers for ECN mode handling 2025-03-17 13:54:11 +00:00
tcp_dctcp.h tcp: Pass flags to __tcp_send_ack 2025-03-17 13:56:38 +00:00
tcp_diag.c tcp: ulp: diag: more info without CAP_NET_ADMIN 2025-03-07 19:39:53 -08:00
tcp_fastopen.c tcp: fix passive TFO socket having invalid NAPI ID 2025-06-18 18:30:51 -07:00
tcp_highspeed.c
tcp_htcp.c tcp: Use clamp() in htcp_alpha_update() 2024-08-06 12:16:25 -07:00
tcp_hybla.c
tcp_illinois.c
tcp_input.c tcp: tcp_time_to_recover() cleanup 2025-06-19 16:15:34 -07:00
tcp_ipv4.c bpf: tcp: Avoid socket skips and repeats during iteration 2025-07-14 12:09:09 -07:00
tcp_lp.c tcp: rename tcp_time_stamp() to tcp_time_stamp_ts() 2023-10-23 09:35:01 +01:00
tcp_metrics.c tcp: convert to dev_net_rcu() 2025-03-03 15:44:19 -08:00
tcp_minisocks.c tcp: add LINUX_MIB_PAWS_TW_REJECTED counter 2025-04-10 18:29:26 -07:00
tcp_nv.c
tcp_offload.c net: use sock_gen_put() when sk_state is TCP_TIME_WAIT 2025-05-01 07:00:19 -07:00
tcp_output.c net: tcp: tsq: Convert from tasklet to BH workqueue 2025-06-17 18:29:21 -07:00
tcp_plb.c
tcp_rate.c
tcp_recovery.c tcp: fix excessive TLP and RACK timeouts from HZ rounding 2023-10-17 17:25:42 -07:00
tcp_scalable.c
tcp_sigpool.c net/tcp_sigpool: Use nested-BH locking for sigpool_scratch. 2024-06-24 16:41:22 -07:00
tcp_timer.c treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
tcp_ulp.c
tcp_vegas.c
tcp_vegas.h
tcp_veno.c
tcp_westwood.c
tcp_yeah.c
tcp.c net: tcp: tsq: Convert from tasklet to BH workqueue 2025-06-17 18:29:21 -07:00
tunnel4.c net: fill in MODULE_DESCRIPTION()s for ipv4 modules 2024-02-09 14:12:02 -08:00
udp_bpf.c bpf, sockmap: Fix an infinite loop error when len is 0 in tcp_bpf_recvmsg_parser() 2023-03-03 17:25:15 +01:00
udp_diag.c inet_diag: add module pointer to "struct inet_diag_handler" 2024-01-23 15:13:54 +01:00
udp_impl.h sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES) 2023-06-24 15:50:13 -07:00
udp_offload.c net: fix udp gso skb_segment after pull from frag_list 2025-06-02 12:41:33 +01:00
udp_tunnel_core.c udp_tunnel: remove rtnl_lock dependency 2025-06-18 18:53:51 -07:00
udp_tunnel_nic.c udp_tunnel: remove rtnl_lock dependency 2025-06-18 18:53:51 -07:00
udp_tunnel_stub.c
udp.c net: remove sock_i_uid() 2025-06-23 17:04:03 -07:00
udplite.c udplite: remove UDPLITE_BIT 2023-09-14 16:16:36 +02:00
xfrm4_input.c xfrm: Fix UDP GRO handling for some corner cases 2025-04-17 11:08:16 +02:00
xfrm4_output.c
xfrm4_policy.c xfrm: Convert struct xfrm_dst_lookup_params -> tos to dscp_t. 2024-11-06 12:42:51 +01:00
xfrm4_protocol.c ipv4: Convert ip_route_input_noref() to dscp_t. 2024-10-03 16:21:21 -07:00
xfrm4_state.c
xfrm4_tunnel.c net: fill in MODULE_DESCRIPTION()s for ipv4 modules 2024-02-09 14:12:02 -08:00