arp: Factorise ip_route_output() call in arp_req_set() and arp_req_delete().

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When ioctl(SIOCDARP/SIOCSARP) is issued for non-proxy entry (no ATF_COM)
without arpreq.arp_dev[] set, arp_req_set() and arp_req_delete() looks up
dev based on IPv4 address by ip_route_output().

Let's factorise the same code as arp_req_dev().

Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20240430015813.71143-4-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Kuniyuki Iwashima 2024-04-29 18:58:09 -07:00 • committed by Jakub Kicinski

parent 0592367424

commit f8696133f6

1 changed files with 30 additions and 20 deletions

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net/ipv4/arp.c

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