xfrm: extract address family and selector validation helpers

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Extract verify_xfrm_family() and verify_selector_prefixlen() from
verify_newsa_info() to allow reuse by other netlink handlers.

verify_xfrm_family() validates that a given address family is AF_INET
or AF_INET6 (with CONFIG_IPV6 guard).

verify_selector_prefixlen() validates that the selector prefix lengths
are within the bounds for the given address family.

No functional change.

Signed-off-by: Antony Antony <antony.antony@secunet.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>

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Antony Antony 2026-05-26 21:09:10 +02:00 • committed by Steffen Klassert

parent 92550d30c6

commit 38d400e5d0

1 changed files with 44 additions and 36 deletions

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net/xfrm/xfrm_user.c

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