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fcd3d039fab693df3d41ac9bcb12fb4e8ddd69fe
linux-stable-mirror/include/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>
2026-02-24 17:16:09 -08:00
..
9p
9p: convert to the new mount API
2025-11-03 16:49:53 +09:00
bluetooth
Bluetooth: L2CAP: Fix not tracking outstanding TX ident
2026-01-29 13:36:35 -05:00
caif
…
iucv
net/iucv: clean up iucv kernel-doc warnings
2026-02-04 20:39:58 -08:00
libeth
libeth: xdp: Disable generic kCFI pass for libeth_xdp_tx_xmit_bulk()
2025-10-29 20:04:55 -07:00
mana
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
2026-02-12 17:05:20 -08:00
netfilter
Merge tag 'nf-next-26-02-06' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next
2026-02-10 20:25:38 -08:00
netns
inet: move icmp_global_{credit,stamp} to a separate cache line
2026-02-18 16:46:36 -08:00
nfc
nfc: nci: Fix race between rfkill and nci_unregister_device().
2026-01-28 19:32:26 -08:00
page_pool
Revert "Merge branch 'netkit-support-for-io_uring-zero-copy-and-af_xdp'"
2026-01-20 18:06:01 -08:00
phonet
phonet: Convert phonet_routes.lock to spinlock_t.
2024-10-24 16:03:40 +02:00
phy
net: phy: realtek: add dummy PHY driver for RTL8127ATF
2026-01-12 19:29:11 -08:00
psp
psp: add stats from psp spec to driver facing api
2025-11-07 18:53:57 -08:00
sctp
sctp: Remove unused declaration sctp_auth_init_hmacs()
2025-11-14 18:00:34 -08:00
tc_act
net_sched: act_skbmod: use RCU in tcf_skbmod_dump()
2025-08-28 16:46:23 -07:00
6lowpan.h
…
act_api.h
net_sched: act: remove tcfa_qstats
2025-09-02 15:52:24 -07:00
addrconf.h
ipv6: addrconf: reduce default temp_valid_lft to 2 days
2026-02-17 17:12:06 -08:00
af_ieee802154.h
…
af_rxrpc.h
rxrpc: Remove deadcode
2025-04-24 17:03:45 -07:00
af_unix.h
af_unix: Introduce SO_INQ.
2025-07-08 18:05:25 -07:00
af_vsock.h
vsock: add netns to vsock core
2026-01-27 10:45:38 +01:00
ah.h
…
aligned_data.h
udp: move udp_memory_allocated into net_aligned_data
2025-07-02 14:22:02 -07:00
amt.h
…
arp.h
…
atmclip.h
…
ax25.h
Merge tag 'sysctl-7.00-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/sysctl/sysctl
2026-02-18 10:45:36 -08:00
ax88796.h
…
bareudp.h
…
bond_3ad.h
bonding: support aggregator selection based on port priority
2025-09-09 10:56:02 +02:00
bond_alb.h
…
bond_options.h
bonding: add support for per-port LACP actor priority
2025-09-09 10:56:02 +02:00
bonding.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2026-01-29 17:28:54 -08:00
bpf_sk_storage.h
…
busy_poll.h
net: gro: decouple GRO from the NAPI layer
2025-02-27 14:03:14 +01:00
calipso.h
…
can.h
can: add CAN skb extension infrastructure
2026-02-05 11:58:39 +01:00
cfg80211-wext.h
…
cfg80211.h
wifi: cfg80211: add initial UHR support
2026-02-02 10:11:07 +01:00
cfg802154.h
…
checksum.h
net: Fix checksum update for ILA adj-transport
2025-05-30 19:53:51 -07:00
cipso_ipv4.h
…
cls_cgroup.h
net/cls_cgroup: Fix task_get_classid() during qdisc run
2025-09-14 11:55:04 -07:00
codel_impl.h
…
codel_qdisc.h
…
codel.h
…
compat.h
…
datalink.h
…
dcbevent.h
…
dcbnl.h
…
devlink.h
devlink: support default values for param-get and param-set
2025-11-20 19:01:22 -08:00
dropreason-core.h
net: add net.core.qdisc_max_burst
2026-01-13 10:12:11 +01:00
dropreason.h
wifi: mac80211: Drop cooked monitor support
2025-02-11 11:58:17 +01:00
dsa_stubs.h
…
dsa.h
net: dsa: add tag format for MxL862xx switches
2026-02-11 11:27:57 +01:00
dscp.h
…
dsfield.h
…
dst_cache.h
…
dst_metadata.h
net: dst_metadata: fix IP_DF bit not extracted from tunnel headers
2025-09-14 14:28:12 -07:00
dst_ops.h
…
dst.h
inet: add dst4_mtu() and dst6_mtu() helpers
2026-02-02 17:49:29 -08:00
eee.h
net: simplify eeecfg_mac_can_tx_lpi
2024-11-13 18:49:50 -08:00
erspan.h
…
esp.h
…
espintcp.h
…
ethoc.h
…
failover.h
…
fib_notifier.h
…
fib_rules.h
net: fib_rules: Fix iif / oif matching on L3 master device
2025-04-15 17:54:56 -07:00
firewire.h
…
flow_dissector.h
…
flow_offload.h
net: dsa: eliminate local type for tc policers
2026-02-10 15:30:11 +01:00
flow.h
ipv4: Convert ->flowi4_tos to dscp_t.
2025-08-26 17:34:31 -07:00
fou.h
…
fq_impl.h
…
fq.h
…
garp.h
…
gen_stats.h
…
genetlink.h
genetlink: fix typo in comment
2025-09-03 15:16:49 -07:00
geneve.h
…
gre.h
…
gro_cells.h
…
gro.h
gro: inline tcp6_gro_complete()
2026-01-21 19:28:32 -08:00
gso.h
…
gtp.h
…
gue.h
…
handshake.h
…
hotdata.h
net: add net.core.qdisc_max_burst
2026-01-13 10:12:11 +01:00
hwbm.h
…
icmp.h
ipv4: icmp: Pass IPv4 control block structure as an argument to __icmp_send()
2025-09-11 12:22:38 +02:00
ieee8021q.h
…
ieee80211_radiotap.h
wifi: mac80211: add RX flag to report radiotap VHT information
2025-10-30 08:38:51 +01:00
ieee802154_netdev.h
…
if_inet6.h
…
ife.h
…
inet6_connection_sock.h
tcp: populate inet->cork.fl.u.ip6 in tcp_v6_syn_recv_sock()
2026-02-10 20:57:50 -08:00
inet6_hashtables.h
tcp: Remove inet6_hash().
2025-09-22 11:38:43 -07:00
inet_common.h
net: Convert proto callbacks from sockaddr to sockaddr_unsized
2025-11-04 19:10:33 -08:00
inet_connection_sock.h
tcp: make tcp_v{4,6}_send_check() static
2026-02-24 17:16:09 -08:00
inet_dscp.h
ipv4: Convert ->flowi4_tos to dscp_t.
2025-08-26 17:34:31 -07:00
inet_ecn.h
tcp: ECT_1_NEGOTIATION and NEEDS_ACCECN identifiers
2026-02-03 15:13:24 +01:00
inet_frag.h
inet: frags: flush pending skbs in fqdir_pre_exit()
2025-12-10 01:15:27 -08:00
inet_hashtables.h
tcp: Update bind bucket state on port release
2025-09-23 10:12:15 +02:00
inet_sock.h
ipv6: colocate inet6_cork in inet_cork_full
2026-02-02 17:49:30 -08:00
inet_timewait_sock.h
tcp: Update bind bucket state on port release
2025-09-23 10:12:15 +02:00
inetpeer.h
inetpeer: remove create argument of inet_getpeer()
2024-12-17 19:37:00 -08:00
ioam6.h
ipv6: ioam: fix heap buffer overflow in __ioam6_fill_trace_data()
2026-02-13 12:24:05 -08:00
ip6_checksum.h
udp: move udp6_csum_init() back to net/ipv6/udp.c
2026-02-24 16:30:40 -08:00
ip6_fib.h
ipv6: Defer fib6_purge_rt() in fib6_add_rt2node() to fib6_add().
2025-04-24 09:29:56 +02:00
ip6_route.h
inet: add dst4_mtu() and dst6_mtu() helpers
2026-02-02 17:49:29 -08:00
ip6_tunnel.h
ipv6: adopt skb_dst_dev() and skb_dst_dev_net[_rcu]() helpers
2025-07-02 14:32:30 -07:00
ip_fib.h
ipv4: Convert ->flowi4_tos to dscp_t.
2025-08-26 17:34:31 -07:00
ip_tunnels.h
ipv4: ip_tunnel: spread netdev_lockdep_set_classes()
2026-01-08 18:02:35 -08:00
ip_vs.h
ipvs: Fix estimator kthreads preferred affinity
2025-08-13 08:34:33 +02:00
ip.h
net: Convert proto callbacks from sockaddr to sockaddr_unsized
2025-11-04 19:10:33 -08:00
ipcomp.h
xfrm: ipcomp: Use crypto_acomp interface
2025-03-21 17:36:49 +08:00
ipconfig.h
…
ipv6_frag.h
inet: frags: flush pending skbs in fqdir_pre_exit()
2025-12-10 01:15:27 -08:00
ipv6_stubs.h
net: Convert proto callbacks from sockaddr to sockaddr_unsized
2025-11-04 19:10:33 -08:00
ipv6.h
ipv6: fix a race in ip6_sock_set_v6only()
2026-02-17 16:45:29 -08:00
iw_handler.h
…
kcm.h
net: kcm: Fix race condition in kcm_unattach()
2025-08-13 18:18:33 -07:00
l3mdev.h
net: l3mdev: use skb_dst_dev_rcu() in l3mdev_l3_out()
2026-02-02 17:09:11 -08:00
lag.h
…
lapb.h
net: lapb: increase LAPB_HEADER_LEN
2024-12-06 17:43:08 -08:00
llc_c_ac.h
…
llc_c_ev.h
…
llc_c_st.h
…
llc_conn.h
…
llc_if.h
…
llc_pdu.h
…
llc_s_ac.h
…
llc_s_ev.h
…
llc_s_st.h
…
llc_sap.h
…
llc.h
…
lwtunnel.h
net: dst: annotate data-races around dst->output
2025-07-02 14:32:30 -07:00
mac80211.h
wifi: mac80211: Add eMLSR/eMLMR action frame parsing support
2026-02-02 10:11:18 +01:00
mac802154.h
…
macsec.h
net: macsec: Add endianness annotations in salt struct
2025-01-20 12:20:42 +00:00
mctp.h
net: mctp: Allow limiting binds to a peer address
2025-07-15 12:08:39 +02:00
mctpdevice.h
net: mctp: Expose transport binding identifier via IFLA attribute
2024-11-09 09:04:54 -08:00
mip6.h
…
mld.h
…
mpls_iptunnel.h
…
mpls.h
…
mptcp.h
mptcp: sched: remove mptcp_sched_data
2025-04-15 08:21:46 -07:00
mrp.h
…
ncsi.h
…
ndisc.h
net: replace ND_PRINTK with dynamic debug
2025-07-10 15:27:32 -07:00
neighbour_tables.h
neighbour: Create netdev->neighbour association
2024-11-09 13:22:57 -08:00
neighbour.h
neighbour: Convert rwlock of struct neigh_table to spinlock.
2025-10-24 17:57:20 -07:00
net_debug.h
Merge tag 'kbuild-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2024-11-30 13:41:50 -08:00
net_failover.h
…
net_namespace.h
netns: optimize netns cleaning by batching unhash_nsid calls
2026-02-06 20:01:31 -08:00
net_ratelimit.h
…
net_shaper.h
…
net_trackers.h
…
netdev_lock.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2025-05-22 09:42:41 -07:00
netdev_netlink.h
net: add granular lock for the netdev netlink socket
2025-03-12 13:32:35 -07:00
netdev_queues.h
net: add queue config validation callback
2026-01-23 11:49:02 -08:00
netdev_rx_queue.h
Revert "Merge branch 'netkit-support-for-io_uring-zero-copy-and-af_xdp'"
2026-01-20 18:06:01 -08:00
netevent.h
…
netkit.h
…
netlabel.h
Merge tag 'net-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2024-11-21 08:28:08 -08:00
netlink.h
netlink: introduce type-checking attribute iteration for nlmsg
2025-07-02 15:39:04 -07:00
netmem.h
net: inline get_netmem() and put_netmem()
2026-01-25 13:18:53 -08:00
netprio_cgroup.h
…
netrom.h
…
nexthop.h
ipv6: Protect nh->f6i_list with spinlock and flag.
2025-04-24 09:29:56 +02:00
nl802154.h
nl802154: fix some kernel-doc warnings
2025-10-20 17:13:40 -07:00
nsh.h
…
pfcp.h
net: pfcp: fix typo in message_priority field name
2025-06-13 18:17:08 -07:00
pie.h
…
ping.h
net: Convert proto callbacks from sockaddr to sockaddr_unsized
2025-11-04 19:10:33 -08:00
pkt_cls.h
net: sched: fix TCF_LAYER_TRANSPORT handling in tcf_get_base_ptr()
2025-11-24 18:53:14 -08:00
pkt_sched.h
net/sched: don't use dynamic lockdep keys with clsact/ingress/noqueue
2026-02-05 09:32:45 -08:00
pptp.h
…
proto_memory.h
net: Allow opt-out from global protocol memory accounting.
2025-10-16 12:04:47 -07:00
protocol.h
…
psample.h
…
psnap.h
…
psp.h
psp: base PSP device support
2025-09-18 12:32:06 +02:00
raw.h
net: use NUMA drop counters for softnet_data.dropped
2025-09-14 11:35:17 -07:00
rawv6.h
…
red.h
…
regulatory.h
…
request_sock.h
tcp: move __reqsk_free() out of line
2026-02-05 09:23:06 -08:00
rose.h
net: rose: convert 'use' field to refcount_t
2025-08-27 07:43:08 -07:00
route.h
net: use dst_dev_rcu() in sk_setup_caps()
2025-08-29 19:36:32 -07:00
rpl.h
…
rps.h
net: Add rfs_needed() helper
2025-09-03 15:08:20 -07:00
rsi_91x.h
…
rstreason.h
net: Retire DCCP socket.
2025-04-11 18:58:10 -07:00
rtnetlink.h
rtnetlink: Remove "net" from newlink params
2025-02-21 15:28:03 -08:00
rtnh.h
…
sch_generic.h
net_sched: add qdisc_dequeue_drop() helper
2025-11-25 16:10:32 +01:00
sch_priv.h
net/sched: Export mq functions for reuse
2026-01-13 11:54:29 +01:00
scm.h
af_unix/scm: fix whitespace errors
2025-07-04 09:32:35 +02:00
secure_seq.h
net: Retire DCCP socket.
2025-04-11 18:58:10 -07:00
seg6_hmac.h
ipv6: sr: Prepare HMAC key ahead of time
2025-08-26 18:11:29 -07:00
seg6_local.h
…
seg6.h
…
selftests.h
net: selftests: export packet creation helpers for driver use
2025-11-06 13:38:11 +01:00
slhc_vj.h
…
smc.h
net/smc: bpf: Introduce generic hook for handshake flow
2025-11-10 11:19:41 -08:00
snmp.h
net: snmp: remove SNMP_MIB_SENTINEL
2025-09-08 18:06:21 -07:00
sock_reuseport.h
…
sock.h
net: __lock_sock() can be static
2026-02-24 16:30:33 -08:00
Space.h
…
stp.h
…
strparser.h
strparser: Remove unused __strp_unpause
2025-05-05 16:48:12 -07:00
switchdev.h
…
tc_wrapper.h
…
tcp_ao.h
tcp: Free TCP-AO/TCP-MD5 info/keys without RCU
2025-09-11 19:05:56 -07:00
tcp_ecn.h
tcp: accecn: add tcpi_ecn_mode and tcpi_option2 in tcp_info
2026-02-03 15:13:25 +01:00
tcp_states.h
…
tcp.h
tcp: make tcp_v{4,6}_send_check() static
2026-02-24 17:16:09 -08:00
tcx.h
bpf: Remove location field in tcx_link
2025-07-11 11:00:57 -07:00
timewait_sock.h
tcp: Remove timewait_sock_ops.twsk_destructor().
2025-08-25 17:53:35 -07:00
tipc.h
…
tls_prot.h
…
tls_toe.h
…
tls.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2025-10-31 06:46:03 -07:00
transp_v6.h
…
tso.h
…
tun_proto.h
…
udp_tunnel.h
geneve: expose gso partial features for tunnel offload
2026-01-23 11:31:14 -08:00
udp.h
udp: udplite is unlikely
2026-01-06 17:06:03 -08:00
udplite.h
…
vsock_addr.h
net: Convert proto_ops connect() callbacks to use sockaddr_unsized
2025-11-04 19:10:32 -08:00
vxlan.h
vxlan: Support MC routing in the underlay
2025-06-17 18:18:46 -07:00
wext.h
…
x25.h
net/x25: Remove unused x25_terminate_link()
2025-07-14 17:19:13 -07:00
x25device.h
…
xdp_priv.h
…
xdp_sock_drv.h
Revert "Merge branch 'netkit-support-for-io_uring-zero-copy-and-af_xdp'"
2026-01-20 18:06:01 -08:00
xdp_sock.h
xsk: add indirect call for xsk_destruct_skb
2025-11-11 10:21:08 +01:00
xdp.h
Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
2025-09-24 10:22:37 -07:00
xfrm.h
xfrm: reduce struct sec_path size
2026-02-10 20:21:48 -08:00
xsk_buff_pool.h
xsk: move cq_cached_prod_lock to avoid touching a cacheline in sending path
2026-01-15 10:07:45 +01:00