nexthop: Emit a notification when a nexthop group is replaced

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Emit a notification in the nexthop notification chain when an existing
nexthop group is replaced.

The notification is emitted after all the validation checks were
performed, but before the new configuration (i.e., 'struct nh_grp') is
pointed at by the old shell (i.e., 'struct nexthop'). This prevents the
need to perform rollback in case the notification is vetoed.

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

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Ido Schimmel 2020-11-04 15:30:30 +02:00 • committed by Jakub Kicinski

parent 732d167bf5

commit d144cc5f4f

1 changed files with 5 additions and 1 deletions

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net/ipv4/nexthop.c

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