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linux/net/ipv6
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Eric Dumazet 08dfe37023 tcp: introduce icsk->icsk_keepalive_timer 
sk->sk_timer has been used for TCP keepalives.

Keepalive timers are not in fast path, we want to use sk->sk_timer
storage for retransmit timers, for better cache locality.

Create icsk->icsk_keepalive_timer and change keepalive
code to no longer use sk->sk_timer.

Added space is reclaimed in the following patch.

This includes changes to MPTCP, which was also using sk_timer.

Alias icsk->mptcp_tout_timer and icsk->icsk_keepalive_timer
for inet_sk_diag_fill() sake.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20251124175013.1473655-4-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 		2025-11-25 19:28:29 -08:00
..
ila ipv6: adopt dst_dev() helper 2025-07-02 14:32:30 -07:00
netfilter netfilter: nf_reject: don't reply to icmp error messages 2025-09-11 15:40:55 +02:00
Kconfig ipv6: sr: Use HMAC-SHA1 and HMAC-SHA256 library functions 2025-08-26 18:11:29 -07:00
Makefile
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addrconf.c ipv6: clean up routes when manually removing address with a lifetime 2025-11-14 17:44:47 -08:00
addrconf_core.c
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addrlabel.c net: replace ADDRLABEL with dynamic debug 2025-07-08 15:04:05 +02:00
af_inet6.c net: Convert proto callbacks from sockaddr to sockaddr_unsized 2025-11-04 19:10:33 -08:00
ah6.c net: ipv6: fix field-spanning memcpy warning in AH output 2025-08-15 08:30:16 +02:00
anycast.c ipv6: start using dst_dev_rcu() 2025-08-29 19:36:32 -07:00
calipso.c net: ipv6: Fix spelling mistake 2025-07-02 15:42:29 -07:00
datagram.c net: Convert proto callbacks from sockaddr to sockaddr_unsized 2025-11-04 19:10:33 -08:00
esp6.c tcp: Don't pass hashinfo to socket lookup helpers. 2025-08-25 17:53:35 -07:00
esp6_offload.c xfrm: Determine inner GSO type from packet inner protocol 2025-10-30 11:52:31 +01:00
exthdrs.c ipv6: annotate data-races around devconf->rpl_seg_enabled 2025-09-02 17:01:06 -07:00
exthdrs_core.c
…
exthdrs_offload.c
…
fib6_notifier.c net: do not acquire rtnl in fib_seq_sum() 2024-10-11 15:35:05 -07:00
fib6_rules.c ipv6: fib_rules: Add DSCP mask matching 2025-02-21 16:08:48 -08:00
fou6.c
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icmp.c ipv6: icmp: Add RFC 5837 support 2025-10-29 18:28:30 -07:00
inet6_connection_sock.c ipv6: make ipv6_pinfo.daddr_cache a boolean 2025-09-18 10:17:09 +02:00
inet6_hashtables.c tcp: Remove inet6_hash(). 2025-09-22 11:38:43 -07:00
ioam6.c ipv6: adopt skb_dst_dev() and skb_dst_dev_net[_rcu]() helpers 2025-07-02 14:32:30 -07:00
ioam6_iptunnel.c ipv6: adopt dst_dev() helper 2025-07-02 14:32:30 -07:00
ip6_checksum.c
…
ip6_fib.c ipv6: clear RA flags when adding a static route 2025-11-18 19:28:08 -08:00
ip6_flowlabel.c ipv6: Move ipv6_fl_list from ipv6_pinfo to inet_sock. 2025-10-17 16:06:52 -07:00
ip6_gre.c ipv6: ip6_gre: replace strcpy with strscpy for tunnel name 2025-08-19 18:06:24 -07:00
ip6_icmp.c icmp: fix icmp_ndo_send address translation for reply direction 2025-09-01 12:54:41 -07:00
ip6_input.c net: preserve MSG_ZEROCOPY with forwarding 2025-07-02 15:07:16 -07:00
ip6_offload.c ipv6: reject malicious packets in ipv6_gso_segment() 2025-08-01 14:40:53 -07:00
ip6_offload.h
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ip6_output.c ipv6: make ipv6_pinfo.daddr_cache a boolean 2025-09-18 10:17:09 +02:00
ip6_tunnel.c net/ip6_tunnel: Prevent perpetual tunnel growth 2025-10-13 17:43:46 -07:00
ip6_udp_tunnel.c net: Convert proto_ops connect() callbacks to use sockaddr_unsized 2025-11-04 19:10:32 -08:00
ip6_vti.c ipv6: adopt skb_dst_dev() and skb_dst_dev_net[_rcu]() helpers 2025-07-02 14:32:30 -07:00
ip6mr.c ipv6: ip6_mc_input() and ip6_mr_input() cleanups 2025-07-02 14:32:30 -07:00
ipcomp6.c xfrm: delete x->tunnel as we delete x 2025-07-08 13:28:27 +02:00
ipv6_sockglue.c net: psp: update the TCP MSS to reflect PSP packet overhead 2025-09-18 12:32:06 +02:00
mcast.c ipv6: start using dst_dev_rcu() 2025-08-29 19:36:32 -07:00
mcast_snoop.c
…
mip6.c net: fill in MODULE_DESCRIPTION()s for ipv6 modules 2024-02-09 14:12:01 -08:00
ndisc.c neighbour: Annotate access to neigh_parms fields. 2025-10-24 17:57:20 -07:00
netfilter.c netfilter: Switch to skb_dstref_steal to clear dst_entry 2025-08-19 17:54:19 -07:00
output_core.c ipv6: start using dst_dev_rcu() 2025-08-29 19:36:32 -07:00
ping.c net: Convert proto callbacks from sockaddr to sockaddr_unsized 2025-11-04 19:10:33 -08:00
proc.c ipv6: snmp: do not track per idev ICMP6_MIB_RATELIMITHOST 2025-09-08 18:06:20 -07:00
protocol.c
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raw.c net: Convert proto callbacks from sockaddr to sockaddr_unsized 2025-11-04 19:10:33 -08:00
reassembly.c ipv6: adopt skb_dst_dev() and skb_dst_dev_net[_rcu]() helpers 2025-07-02 14:32:30 -07:00
route.c ipv6: make ipv6_pinfo.daddr_cache a boolean 2025-09-18 10:17:09 +02:00
rpl.c
…
rpl_iptunnel.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-07-17 11:00:33 -07:00
seg6.c ipv6: sr: Use HMAC-SHA1 and HMAC-SHA256 library functions 2025-08-26 18:11:29 -07:00
seg6_hmac.c ipv6: sr: Prepare HMAC key ahead of time 2025-08-26 18:11:29 -07:00
seg6_iptunnel.c ipv6: adopt skb_dst_dev() and skb_dst_dev_net[_rcu]() helpers 2025-07-02 14:32:30 -07:00
seg6_local.c ipv6: adopt dst_dev() helper 2025-07-02 14:32:30 -07:00
sit.c ipv6: sit: Add ipip6_tunnel_dst_find() for cleanup 2025-09-04 10:03:59 +02:00
syncookies.c tcp: accecn: AccECN negotiation 2025-09-18 08:47:51 +02:00
sysctl_net_ipv6.c sysctl: treewide: constify the ctl_table argument of proc_handlers 2024-07-24 20:59:29 +02:00
tcp_ao.c
…
tcp_ipv6.c tcp: introduce icsk->icsk_keepalive_timer 2025-11-25 19:28:29 -08:00
tcpv6_offload.c tcp: Don't pass hashinfo to socket lookup helpers. 2025-08-25 17:53:35 -07:00
tunnel6.c net: fill in MODULE_DESCRIPTION()s for ipv6 modules 2024-02-09 14:12:01 -08:00
udp.c net: Convert proto callbacks from sockaddr to sockaddr_unsized 2025-11-04 19:10:33 -08:00
udp_impl.h udp: move udp_memory_allocated into net_aligned_data 2025-07-02 14:22:02 -07:00
udp_offload.c net: gro: remove is_ipv6 from napi_gro_cb 2025-09-25 12:42:49 +02:00
udplite.c udp: move udp_memory_allocated into net_aligned_data 2025-07-02 14:22:02 -07:00
xfrm6_input.c xfrm: Set transport header to fix UDP GRO handling 2025-07-02 09:19:56 +02:00
xfrm6_output.c ipv6: adopt skb_dst_dev() and skb_dst_dev_net[_rcu]() helpers 2025-07-02 14:32:30 -07:00
xfrm6_policy.c xfrm: respect ip protocols rules criteria when performing dst lookups 2024-09-23 07:02:07 +02:00
xfrm6_protocol.c
…
xfrm6_state.c
…
xfrm6_tunnel.c xfrm: flush all states in xfrm_state_fini 2025-08-06 09:23:38 +02:00