Jakub Kicinski 9336854a59 Merge branch 'net-reduce-sk_filter-and-friends-bloat' ...

Eric Dumazet says:

====================
net: reduce sk_filter() (and friends) bloat

Some functions return an error by value, and a drop_reason
by an output parameter. This extra parameter can force stack canaries.

A drop_reason is enough and more efficient.

This series reduces bloat by 678 bytes on x86_64:

$ scripts/bloat-o-meter -t vmlinux.old vmlinux.final
add/remove: 0/0 grow/shrink: 3/18 up/down: 79/-757 (-678)
Function                                     old     new   delta
vsock_queue_rcv_skb                           50      79     +29
ipmr_cache_report                           1290    1315     +25
ip6mr_cache_report                          1322    1347     +25
tcp_v6_rcv                                  3169    3167      -2
packet_rcv_spkt                              329     327      -2
unix_dgram_sendmsg                          1731    1726      -5
netlink_unicast                              957     945     -12
netlink_dump                                1372    1359     -13
sk_filter_trim_cap                           889     858     -31
netlink_broadcast_filtered                  1633    1595     -38
tcp_v4_rcv                                  3152    3111     -41
raw_rcv_skb                                  122      80     -42
ping_queue_rcv_skb                           109      61     -48
ping_rcv                                     215     162     -53
rawv6_rcv_skb                                278     224     -54
__sk_receive_skb                             690     632     -58
raw_rcv                                      591     527     -64
udpv6_queue_rcv_one_skb                      935     869     -66
udp_queue_rcv_one_skb                        919     853     -66
tun_net_xmit                                1146    1074     -72
sock_queue_rcv_skb_reason                    166      76     -90
Total: Before=29722890, After=29722212, chg -0.00%

Future conversions from sock_queue_rcv_skb() to sock_queue_rcv_skb_reason()
can be done later.
====================

Link: https://patch.msgid.link/20260409145625.2306224-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

2026-04-12 14:30:28 -07:00

..

ila

net: Add SPDX ids to some source files

2026-03-09 18:32:45 -07:00

netfilter

netfilter: require Ethernet MAC header before using eth_hdr()

2026-04-10 12:16:27 +02:00

addrconf_core.c

ipv6: remove ipv6_stub infrastructure completely

2026-03-29 11:21:24 -07:00

addrconf.c

ipv6: move IFA_F_PERMANENT percpu allocation in process scope

2026-04-09 19:32:45 -07:00

addrlabel.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

af_inet6.c

netfilter: remove nf_ipv6_ops and use direct function calls

2026-03-29 11:21:24 -07:00

ah6.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

anycast.c

treewide: Replace kmalloc with kmalloc_obj for non-scalar types

2026-02-21 01:02:28 -08:00

calipso.c

Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses

2026-02-22 08:26:33 -08:00

datagram.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

2026-04-02 11:03:13 -07:00

esp6_offload.c

xfrm: Fix inner mode lookup in tunnel mode GSO segmentation

2025-12-04 09:54:53 +01:00

esp6.c

esp: fix skb leak with espintcp and async crypto

2026-02-25 09:11:40 +01:00

exthdrs_core.c

ipv6: Fix out-of-bounds access in ipv6_find_tlv()

2023-05-24 08:43:39 +01:00

exthdrs_offload.c

net: gso: add HBH extension header offload support

2024-01-05 08:11:49 -08:00

exthdrs.c

ipv6: add NULL checks for idev in SRv6 paths

2026-03-18 17:23:43 -07:00

fib6_notifier.c

net: Add SPDX ids to some source files

2026-03-09 18:32:45 -07:00

fib6_rules.c

ipv6: export fib6_lookup for nft_fib_ipv6

2026-03-04 11:45:44 +01:00

fou6.c

fou: Remove IPPROTO_UDPLITE check in gue_err() and gue6_err().

2026-03-17 16:10:59 -07:00

icmp.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

2026-04-02 11:03:13 -07:00

inet6_connection_sock.c

tcp: move inet6_csk_update_pmtu() to tcp_ipv6.c

2026-02-24 17:47:27 -08:00

inet6_hashtables.c

tcp: use __jhash_final() in inet6_ehashfn()

2026-03-29 11:45:48 -07:00

ioam6_iptunnel.c

ipv6: ioam: fix heap buffer overflow in __ioam6_fill_trace_data()

2026-02-13 12:24:05 -08:00

ioam6.c

net: ioam6: fix OOB and missing lock

2026-04-08 19:08:56 -07:00

ip6_checksum.c

udp: Remove UDPLITE_SEND_CSCOV and UDPLITE_RECV_CSCOV.

2026-03-13 18:57:45 -07:00

ip6_fib.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

2026-04-02 11:03:13 -07:00

ip6_flowlabel.c

net: ipv6: flowlabel: defer exclusive option free until RCU teardown

2026-03-31 15:44:29 -07:00

ip6_gre.c

gre: Count GRE packet drops

2026-04-12 12:33:33 -07:00

ip6_icmp.c

ipv6: remove dynamic ICMPv6 sender registration infrastructure

2026-03-29 11:21:23 -07:00

ip6_input.c

tcp: move tcp_v6_early_demux() to net/ipv6/ip6_input.c

2026-03-05 18:33:51 -08:00

ip6_offload.c

ipv6: replace IS_BUILTIN(CONFIG_IPV6) with IS_ENABLED(CONFIG_IPV6)

2026-03-29 11:21:23 -07:00

ip6_offload.h

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152

2019-05-30 11:26:32 -07:00

ip6_output.c

ipv6: move ip6_dst_hoplimit() to net/ipv6/ip6_output.c

2026-04-01 18:50:35 -07:00

ip6_tunnel.c

ip6_tunnel: use generic for_each_ip_tunnel_rcu macro

2026-04-06 18:41:03 -07:00

ip6_udp_tunnel.c

ipv6: remove ipv6_stub infrastructure completely

2026-03-29 11:21:24 -07:00

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

ipmr/ip6mr: Convert net->ipv[46].ipmr_seq to atomic_t.

2026-03-02 18:49:41 -08:00

ipcomp6.c

xfrm: delete x->tunnel as we delete x

2025-07-08 13:28:27 +02:00

ipv6_sockglue.c

ipv6: Remove UDP-Lite support for IPV6_ADDRFORM.

2026-03-13 18:57:44 -07:00

Kconfig

ipv6: convert CONFIG_IPV6 to built-in only and clean up Kconfigs

2026-03-29 11:21:22 -07:00

Makefile

ipv6: Retire UDP-Lite.

2026-03-13 18:57:44 -07:00

mcast_snoop.c

net: bridge: mcast: fix broken length + header check for MRDv6 Adv.

2021-04-27 14:02:06 -07:00

mcast.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

mip6.c

net: fill in MODULE_DESCRIPTION()s for ipv6 modules

2024-02-09 14:12:01 -08:00

ndisc.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

2026-04-02 11:03:13 -07:00

netfilter.c

netfilter: remove nf_ipv6_ops and use direct function calls

2026-03-29 11:21:24 -07:00

output_core.c

ipv6: move ip6_dst_hoplimit() to net/ipv6/ip6_output.c

2026-04-01 18:50:35 -07:00

ping.c

net: remove addr_len argument of recvmsg() handlers

2026-03-02 18:17:17 -08:00

proc.c

udp: Remove UDP-Lite SNMP stats.

2026-03-13 18:57:44 -07:00

protocol.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152

2019-05-30 11:26:32 -07:00

raw.c

net: change sock_queue_rcv_skb_reason() to return a drop_reason

2026-04-12 14:30:25 -07:00

reassembly.c

ipv6: discard fragment queue earlier if there is malformed datagram

2026-02-27 19:08:54 -08:00

route.c

ipv6: prepare headers for ipv6_stub removal

2026-03-29 11:21:23 -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

rpl.c

ipv6: rpl: Remove pskb(_may)?_pull() in ipv6_rpl_srh_rcv().

2023-06-19 11:32:58 -07:00

seg6_hmac.c

ipv6: add NULL checks for idev in SRv6 paths

2026-03-18 17:23:43 -07:00

seg6_iptunnel.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

2026-04-09 13:20:59 -07:00

seg6_local.c

ipv6: adopt dst_dev() helper

2025-07-02 14:32:30 -07:00

seg6.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

sit.c

ipv6: sit: remove redundant ret = 0 assignment

2026-04-09 20:37:40 -07:00

syncookies.c

tcp: secure_seq: add back ports to TS offset

2026-03-04 17:44:35 -08:00

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

Merge branch 'net-reduce-sk_filter-and-friends-bloat'

2026-04-12 14:30:28 -07:00

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_offload.c

udp: Don't pass udptable to IPv6 socket lookup functions.

2026-03-13 18:57:46 -07:00

udp.c

net: change sk_filter_trim_cap() to return a drop_reason by value

2026-04-12 14:30:25 -07:00

xfrm6_input.c

xfrm: hold dev ref until after transport_finish NF_HOOK

2026-04-07 10:12:40 +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

xfrm6: fix uninitialized saddr in xfrm6_get_saddr()

2026-02-02 08:03:47 +01:00

xfrm6_protocol.c

xfrm: add support for UDPv6 encapsulation of ESP

2020-04-28 11:28:36 +02:00

xfrm6_state.c

xfrm: remove output_finish indirection from xfrm_state_afinfo

2020-05-06 09:40:08 +02:00

xfrm6_tunnel.c

xfrm: flush all states in xfrm_state_fini

2025-08-06 09:23:38 +02:00