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mirror-linux/net/ipv6
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Eric Dumazet f033335937 udp: move udp6_csum_init() back to net/ipv6/udp.c 
This function has a single caller in net/ipv6/udp.c.

Move it there so that the compiler can decide to (auto)inline
it if he prefers to. IBT glue is removed anyway.

With clang, we can see it was able to inline it and also
inlined one other helper at the same time.

UDPLITE removal will also help.

$ scripts/bloat-o-meter -t vmlinux.old vmlinux.new
add/remove: 0/2 grow/shrink: 1/0 up/down: 840/-785 (55)
Function                                     old     new   delta
__udp6_lib_rcv                              1247    2087    +840
__pfx_udp6_csum_init                          16       -     -16
udp6_csum_init                               769       -    -769
Total: Before=25074399, After=25074454, chg +0.00%

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20260223093445.3696368-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 		2026-02-24 16:30:40 -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 gro: inline tcp6_gro_receive() 2026-01-21 19:28:32 -08:00
addrconf.c ipv6: Switch to higher-level SHA-1 functions 2026-01-27 15:47:40 -08:00
addrconf_core.c ipv6: Ensure natural alignment of const ipv6 loopback and router addresses 2024-01-30 12:43:18 +01:00
addrlabel.c net: replace ADDRLABEL with dynamic debug 2025-07-08 15:04:05 +02:00
af_inet6.c ipv6: icmp: remove obsolete code in icmpv6_xrlim_allow() 2026-02-18 16:46:36 -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 ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr() 2025-12-29 19:36:45 +01:00
datagram.c ipv6: use inet->cork.fl.u.ip6 and np->final in ip6_datagram_dst_update() 2026-02-10 20:57:49 -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: Fix inner mode lookup in tunnel mode GSO segmentation 2025-12-04 09:54:53 +01:00
exthdrs.c ipv6: ioam: fix heap buffer overflow in __ioam6_fill_trace_data() 2026-02-13 12:24:05 -08:00
exthdrs_core.c
…
exthdrs_offload.c net: gso: add HBH extension header offload support 2024-01-05 08:11:49 -08:00
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
…
icmp.c ipv6: icmp: icmpv6_xrlim_allow() optimization if net.ipv6.icmp.ratelimit is zero 2026-02-18 16:46:37 -08:00
inet6_connection_sock.c tcp: inet6_csk_xmit() optimization 2026-02-10 20:57:50 -08:00
inet6_hashtables.c tcp: Remove inet6_hash(). 2025-09-22 11:38:43 -07:00
ioam6.c ipv6: ioam: fix heap buffer overflow in __ioam6_fill_trace_data() 2026-02-13 12:24:05 -08:00
ioam6_iptunnel.c ipv6: ioam: fix heap buffer overflow in __ioam6_fill_trace_data() 2026-02-13 12:24:05 -08:00
ip6_checksum.c udp: move udp6_csum_init() back to net/ipv6/udp.c 2026-02-24 16:30:40 -08:00
ip6_fib.c ipv6: Fix out-of-bound access in fib6_add_rt2node(). 2026-02-13 12:24:28 -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: use dst6_mtu() instead of dst_mtu() 2026-02-02 17:49:29 -08:00
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/ipv6: Introduce payload_len helpers 2026-02-06 20:50:03 -08:00
ip6_offload.c net/ipv6: Remove jumbo_remove step from TX path 2026-02-06 20:50:12 -08:00
ip6_offload.h
…
ip6_output.c net/ipv6: Drop HBH for BIG TCP on TX side 2026-02-06 20:50:12 -08:00
ip6_tunnel.c ipv6: use dst6_mtu() instead of dst_mtu() 2026-02-02 17:49:29 -08:00
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 ipv6: use dst6_mtu() instead of dst_mtu() 2026-02-02 17:49:29 -08:00
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 ipv6: annotate data-race in ndisc_router_discovery() 2026-01-20 18:37:45 -08:00
netfilter.c netfilter: Switch to skb_dstref_steal to clear dst_entry 2025-08-19 17:54:19 -07:00
output_core.c net/ipv6: Introduce payload_len helpers 2026-02-06 20:50:03 -08:00
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
…
raw.c ipv6: do not use skb_header_pointer() in icmpv6_filter() 2026-02-06 20:34:20 -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: use dst6_mtu() instead of dst_mtu() 2026-02-02 17:49:29 -08:00
rpl.c ipv6: rpl: Remove pskb(_may)?_pull() in ipv6_rpl_srh_rcv(). 2023-06-19 11:32:58 -07:00
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 ipv4: use dst4_mtu() instead of dst_mtu() 2026-02-02 17:49:29 -08:00
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 net/tcp: Wire up l3index to TCP-AO 2023-10-27 10:35:46 +01:00
tcp_ipv6.c tcp: populate inet->cork.fl.u.ip6 in tcp_v6_syn_recv_sock() 2026-02-10 20:57:50 -08:00
tcpv6_offload.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2026-01-29 17:28:54 -08:00
tunnel6.c net: fill in MODULE_DESCRIPTION()s for ipv6 modules 2024-02-09 14:12:01 -08:00
udp.c udp: move udp6_csum_init() back to net/ipv6/udp.c 2026-02-24 16:30:40 -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 gro: inline tcp6_gro_complete() 2026-01-21 19:28:32 -08:00
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