ipv6: add ip6_del_rt_reason()

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Add RTA_DEL_REASON and enum rt_del_reason to the rtnetlink uAPI, and
add ip6_del_rt_reason(), which takes the reason a route is being
deleted. It has no skip_notify argument: a caller that records a
deletion reason wants the notification that carries it.

The reason is unused for now. Subsequent patches propagate it to the
deletion path and report it on RTM_DELROUTE.

Signed-off-by: Yuyang Huang <sigefriedhyy@gmail.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/20260808005642.26901-2-sigefriedhyy@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

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Yuyang Huang 2026-08-08 09:56:33 +09:00 • committed by Paolo Abeni

parent f6057f06ef

commit cc17e386f8

3 changed files with 35 additions and 0 deletions

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2

include/net/ip6_route.h

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25

include/uapi/linux/rtnetlink.h

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8

net/ipv6/route.c

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