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bb1c9ccf740eae3f116a2bb5d26c2bfb80cc8c7e
linux/net/ipv6
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Eric Dumazet 9395b1bb1f ipv6: icmp: icmpv6_xrlim_allow() optimization if net.ipv6.icmp.ratelimit is zero 
If net.ipv6.icmp.ratelimit is zero we do not have to call
inet_getpeer_v6() and inet_peer_xrlim_allow().

Both can be very expensive under DDOS.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20260216142832.3834174-6-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-02-18 16:46:37 -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
addrconf_core.c
ipv6: Ensure natural alignment of const ipv6 loopback and router addresses
2024-01-30 12:43:18 +01:00
addrconf.c
ipv6: Switch to higher-level SHA-1 functions
2026-01-27 15:47:40 -08:00
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_offload.c
xfrm: Fix inner mode lookup in tunnel mode GSO segmentation
2025-12-04 09:54:53 +01:00
esp6.c
tcp: Don't pass hashinfo to socket lookup helpers.
2025-08-25 17:53:35 -07:00
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: ioam: fix heap buffer overflow in __ioam6_fill_trace_data()
2026-02-13 12:24:05 -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_iptunnel.c
ipv6: ioam: fix heap buffer overflow in __ioam6_fill_trace_data()
2026-02-13 12:24:05 -08:00
ioam6.c
ipv6: ioam: fix heap buffer overflow in __ioam6_fill_trace_data()
2026-02-13 12:24:05 -08:00
ip6_checksum.c
…
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
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
mcast_snoop.c
…
mcast.c
ipv6: start using dst_dev_rcu()
2025-08-29 19:36:32 -07:00
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_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: 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
seg6.c
ipv6: sr: Use HMAC-SHA1 and HMAC-SHA256 library functions
2025-08-26 18:11:29 -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_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
udp.c
udp: udplite is unlikely
2026-01-06 17:06:03 -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