nexthop: Assert the invariant that a NH group is of only one type

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Most of the code that deals with nexthop groups relies on the fact that the
group is of exactly one well-known type. Currently there is only one type,
"mpath", but as more next-hop group types come, it becomes desirable to
have a central place where the setting is validated. Introduce such place
into nexthop_create_group(), such that the check is done before the code
that relies on that invariant is invoked.

Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Petr Machata 2021-01-28 13:49:16 +01:00 • committed by Jakub Kicinski

parent b9bae61be4

commit 720ccd9a72

1 changed files with 5 additions and 2 deletions

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net/ipv4/nexthop.c

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