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linux/net
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Eric Dumazet fcd3d039fa tcp: make tcp_v{4,6}_send_check() static 
tcp_v{4,6}_send_check() are only called from tcp_output.c
and should be made static so that the compiler does not need
to put an out of line copy of them.

Remove (struct inet_connection_sock_af_ops) send_check field
and use instead @net_header_len.

Move @net_header_len close to @queue_xmit for data locality
as both are used in TCP tx fast path.

$ scripts/bloat-o-meter -t vmlinux.2 vmlinux.3
add/remove: 0/2 grow/shrink: 0/3 up/down: 0/-172 (-172)
Function                                     old     new   delta
__tcp_transmit_skb                          3426    3423      -3
tcp_v4_send_check                            136     132      -4
mptcp_subflow_init                           777     763     -14
__pfx_tcp_v6_send_check                       16       -     -16
tcp_v6_send_check                            135       -    -135
Total: Before=25143196, After=25143024, chg -0.00%

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20260223100729.3761597-4-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
History 2026-02-24 17:16:09 -08:00
..
6lowpan net: replace ND_PRINTK with dynamic debug 2025-07-10 15:27:32 -07:00
9p 9p/xen: protect xen_9pfs_front_free against concurrent calls 2026-01-29 23:48:33 +00:00
802 net: remove HIPPI support and RoadRunner HIPPI driver 2026-01-20 19:12:06 -08:00
8021q net: vlan: sync VLAN features with lower device 2025-10-31 17:42:35 -07:00
appletalk net: Convert proto_ops connect() callbacks to use sockaddr_unsized 2025-11-04 19:10:32 -08:00
atm net: atm: fix crash due to unvalidated vcc pointer in sigd_send() 2026-02-10 11:24:47 +01:00
ax25 net: ax25: remove plumbing for never-implemented DAMA Master support 2026-01-30 19:19:39 -08:00
batman-adv Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-10-31 06:46:03 -07:00
bluetooth Networking changes for 7.0 2026-02-11 19:31:52 -08:00
bpf bpf: add fsession support 2026-01-24 18:49:35 -08:00
bridge Including fixes from Netfilter. 2026-02-19 10:39:08 -08:00
caif caif: fix integer underflow in cffrml_receive() 2025-12-11 01:35:41 -08:00
can can: gw: use can_gw_hops instead of sk_buff::csum_start 2026-02-05 11:58:40 +01:00
ceph libceph: adapt ceph_x_challenge_blob hashing and msgr1 message signing 2026-02-09 12:29:22 +01:00
core net: __lock_sock() can be static 2026-02-24 16:30:33 -08:00
dcb Revert "Documentation: net: add flow control guide and document ethtool API" 2025-10-01 09:48:21 +02:00
devlink devlink: Refactor devlink_rate_nodes_check 2026-02-02 20:05:51 -08:00
dns_resolver net/dns_resolver: use credential guards in dns_query() 2025-11-04 12:36:51 +01:00
dsa net: dsa: add tag format for MxL862xx switches 2026-02-11 11:27:57 +01:00
ethernet net: optimize eth_type_trans() vs CONFIG_STACKPROTECTOR_STRONG=y 2025-11-24 19:27:31 -08:00
ethtool Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2026-02-05 09:54:08 -08:00
handshake net/handshake: Fix null-ptr-deref in handshake_complete() 2025-12-22 12:36:40 +01:00
hsr hsr: Implement more robust duplicate discard for HSR 2026-02-10 12:02:29 +01:00
ieee802154 net: Convert proto callbacks from sockaddr to sockaddr_unsized 2025-11-04 19:10:33 -08:00
ife net: sched: ife: fix potential use-after-free 2023-12-15 10:50:18 +00:00
ipv4 tcp: make tcp_v{4,6}_send_check() static 2026-02-24 17:16:09 -08:00
ipv6 tcp: make tcp_v{4,6}_send_check() static 2026-02-24 17:16:09 -08:00
iucv net/iucv: clean up iucv kernel-doc warnings 2026-02-04 20:39:58 -08:00
kcm Networking changes for 6.19. 2025-12-03 17:24:33 -08:00
key pfkey: Deprecate pfkey 2025-10-30 09:03:12 +01:00
l2tp net: l2tp_eth: Replace deprecated strcpy with strscpy in l2tp_eth_create 2026-02-24 13:38:33 +01:00
l3mdev net: fib_rules: Fix iif / oif matching on L3 master device 2025-04-15 17:54:56 -07:00
lapb treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
llc net: Convert proto_ops connect() callbacks to use sockaddr_unsized 2025-11-04 19:10:32 -08:00
mac80211 mm.git review status for linus..mm-nonmm-stable 2026-02-12 12:13:01 -08:00
mac802154 mac802154: Switch to use hrtimer_setup() 2025-02-18 10:35:44 +01:00
mctp net: mctp: ensure our nlmsg responses are initialised 2026-02-12 18:35:45 -08:00
mpls mpls: Drop RTNL for RTM_NEWROUTE, RTM_DELROUTE, and RTM_GETROUTE. 2025-11-03 17:40:54 -08:00
mptcp tcp: make tcp_v{4,6}_send_check() static 2026-02-24 17:16:09 -08:00
ncsi net: ncsi: Fix buffer overflow in fetching version id 2025-06-12 18:21:59 -07:00
netfilter netfilter: nf_tables: fix use-after-free in nf_tables_addchain() 2026-02-17 15:04:20 +01:00
netlabel audit: add record for multiple task security contexts 2025-08-30 10:15:30 -04:00
netlink net: Convert proto_ops connect() callbacks to use sockaddr_unsized 2025-11-04 19:10:32 -08:00
netrom netrom: fix double-free in nr_route_frame() 2026-01-20 19:15:40 -08:00
nfc net: nfc: nci: Fix parameter validation for packet data 2026-02-19 09:32:51 -08:00
nsh nsh: Restore skb->{protocol,data,mac_header} for outer header in nsh_gso_segment(). 2024-04-26 12:20:01 +02:00
openvswitch net: openvswitch: fix data race in ovs_vport_get_upcall_stats 2026-01-22 12:55:22 +01:00
packet net: add vlan_get_protocol_offset_inline() helper 2026-02-05 16:33:52 +01:00
phonet net: Convert proto callbacks from sockaddr to sockaddr_unsized 2025-11-04 19:10:33 -08:00
psample psample: adjust size if rate_as_probability is set 2024-12-18 19:23:04 -08:00
psp net: psp: select CONFIG_SKB_EXTENSIONS 2026-02-17 17:05:29 -08:00
qrtr net: qrtr: Drop the MHI auto_queue feature for IPCR DL channels 2025-12-31 16:24:04 +05:30
rds rds: tcp: fix uninit-value in __inet_bind 2026-02-19 16:05:56 +01:00
rfkill net: replace use of system_wq with system_percpu_wq 2025-09-22 17:40:30 -07:00
rose net: rose: fix invalid array index in rose_kill_by_device() 2025-12-30 11:45:51 +01:00
rxrpc rxrpc: Fix data-race warning and potential load/store tearing 2026-01-21 19:59:29 -08:00
sched net/sched: act_skbedit: fix divide-by-zero in tcf_skbedit_hash() 2026-02-17 17:27:39 -08:00
sctp sctp: move SCTP_CMD_ASSOC_SHKEY right after SCTP_CMD_PEER_INIT 2026-01-17 15:10:34 -08:00
shaper tools: ynl-gen: add regeneration comment 2025-11-25 19:20:42 -08:00
smc Revert "net/smc: Introduce TCP ULP support" 2026-01-30 19:21:51 -08:00
strparser Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-11-13 12:35:38 -08:00
sunrpc NFS Client Updates for Linux 7.0 2026-02-12 17:49:33 -08:00
switchdev net: switchdev: Convert blocking notification chain to a raw one 2025-03-11 11:30:28 +01:00
tipc mm.git review status for linus..mm-nonmm-stable 2026-02-12 12:13:01 -08:00
tls tcp: make tcp_v{4,6}_send_check() static 2026-02-24 17:16:09 -08:00
unix af_unix: Fix memleak of newsk in unix_stream_connect(). 2026-02-11 13:01:13 +01:00
vmw_vsock Including fixes from Netfilter. 2026-02-19 10:39:08 -08:00
wireless wifi: cfg80211: add initial UHR support 2026-02-02 10:11:07 +01:00
x25 net: Convert proto_ops connect() callbacks to use sockaddr_unsized 2025-11-04 19:10:32 -08:00
xdp Revert "Merge branch 'netkit-support-for-io_uring-zero-copy-and-af_xdp'" 2026-01-20 18:06:01 -08:00
xfrm bpf-next-7.0 2026-02-10 11:26:21 -08:00
compat.c socket: Unify getsockname and getpeername implementation 2025-11-26 13:45:23 -07:00
devres.c net: devres: Correct a grammatical error 2021-06-11 12:55:28 -07:00
Kconfig net: Kconfig: discourage drop_monitor enablement 2025-10-17 16:29:26 -07:00
Kconfig.debug rtnetlink: Add per-netns RTNL. 2024-10-08 15:16:59 +02:00
Makefile psp: base PSP device support 2025-09-18 12:32:06 +02:00
socket.c vfs-6.19-rc1.fixes 2025-12-05 15:52:30 -08:00
sysctl_net.c sysctl: Remove check for sentinel element in ctl_table arrays 2024-06-13 10:50:52 +02:00