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| author | Eric Dumazet <edumazet@google.com> | 2026-02-16 14:28:31 +0000 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-02-18 16:46:36 -0800 |
| commit | d8d9ef29886733428470655f2f99bc7493589fcb (patch) | |
| tree | 858dd55f91b832f246f5db60b1d7cb7f727c89f2 /tools/perf/lib/Documentation/tutorial/git@git.tavy.me:linux.git | |
| parent | 0201eedb69b24a6be9b7c1716287a89c4dde2320 (diff) | |
ipv4: icmp: icmpv4_xrlim_allow() optimization if net.ipv4.icmp_ratelimit is zero
If net.ipv4.icmp_ratelimit is zero, we do not have to call
inet_getpeer_v4() 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/20260216142832.3834174-5-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'tools/perf/lib/Documentation/tutorial/git@git.tavy.me:linux.git')
0 files changed, 0 insertions, 0 deletions