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2dfa4e31768bd73bc02a69f8f2cd11dd95f062bf
linux/net/ipv4
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Eric Dumazet 1a03edeb84 tcp: refine sk_rcvbuf increase for ooo packets 
When a passive flow has not been accepted yet, it is
not wise to increase sk_rcvbuf when receiving ooo packets.

A very busy server might tune down tcp_rmem[1] to better
control how much memory can be used by sockets waiting
in its listeners accept queues.

Fixes: 63ad7dfedf ("tcp: adjust rcvbuf in presence of reorders")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20250707213900.1543248-2-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-07-09 19:24:10 -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
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2025-02-20 10:37:30 -08:00
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
ipv6: Revert two per-cpu var allocation for RTM_NEWROUTE.
2025-05-20 19:18:24 -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
treewide, timers: Rename from_timer() to timer_container_of()
2025-06-08 09:07:37 +02:00
inet_diag.c
net: cgroup: Guard users of sock_cgroup_classid()
2025-04-24 16:04:02 +02:00
inet_fragment.c
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
inet_hashtables.c
net: rfs: add sock_rps_delete_flow() helper
2025-05-16 16:03:48 -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
net: ipv4: fix stat increase when udp early demux drops the packet
2025-07-02 14:46:44 -07:00
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
Merge tag 'net-next-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2025-01-22 08:28:57 -08:00
ip_tunnel_core.c
net: fix geneve_opt length integer overflow
2025-04-03 15:47:35 -07:00
ip_tunnel.c
ipv4: ip_tunnel: Replace strcpy use with strscpy
2025-05-05 18:16:11 -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
treewide, timers: Rename from_timer() to timer_container_of()
2025-06-08 09:07:37 +02:00
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
inet: Remove rtnl_is_held arg of lwtunnel_valid_encap_type(_attr)?().
2025-05-20 19:18:24 -07:00
ping.c
inet: ping: avoid skb_clone() dance in ping_rcv()
2025-02-28 14:41:33 -08:00
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
ipv4: remove get_rttos
2025-02-18 18:27:19 -08:00
route.c
ipv4/route: Use this_cpu_inc() for stats on PREEMPT_RT
2025-05-15 15:23:30 +02:00
syncookies.c
tcp: be less liberal in TSEcr received while in SYN_RECV state
2025-02-26 18:11:17 -08:00
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: refine sk_rcvbuf increase for ooo packets
2025-07-09 19:24:10 -07:00
tcp_ipv4.c
tcp: increase tcp_limit_output_bytes default value to 4MB
2025-05-15 11:30:09 -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
tcp: always use tcp_limit_output_bytes limitation
2025-05-15 11:30:09 -07:00
tcp_plb.c
prandom: remove prandom_u32_max()
2022-12-20 03:13:45 +01:00
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
net/ulp: use consistent error code when blocking ULP
2023-01-19 09:26:16 -08:00
tcp_vegas.c
…
tcp_vegas.h
…
tcp_veno.c
…
tcp_westwood.c
…
tcp_yeah.c
…
tcp.c
tcp: Correct signedness in skb remaining space calculation
2025-07-08 07:56:26 -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: properly deal with xfrm encap and ADDRFORM
2025-04-14 14:29:01 -07:00
udp_tunnel_nic.c
udp_tunnel: Use flex array to simplify code
2023-10-03 11:39:34 +02:00
udp_tunnel_stub.c
…
udp.c
net: rfs: add sock_rps_delete_flow() helper
2025-05-16 16:03:48 -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