ipv4: avoid quadratic behavior in FIB insertion of common address

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Mix netns into all IPv4 FIB hashes to avoid massive collision when
inserting the same address in many netns.

Signed-off-by: Alexandre Ferrieux <alexandre.ferrieux@orange.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20241001231438.3855035-1-alexandre.ferrieux@orange.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Alexandre Ferrieux 2024-10-02 01:14:38 +02:00 • committed by Jakub Kicinski

parent 35d8471e24

commit 9b8ca04854

1 changed files with 5 additions and 6 deletions

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net/ipv4/fib_semantics.c

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