ipv6: Mark dead nexthops with appropriate flags

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When a netdev is put administratively down or unregistered all the
nexthops using it as their nexthop device should be marked with the
'dead' and 'linkdown' flags.

Currently, when a route is dumped its nexthop device is tested and the
flags are set accordingly. A similar check is performed during route
lookup.

Instead, we can simply mark the nexthops based on netdev events and
avoid checking the netdev's state during route dump and lookup.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Ido Schimmel 2018-01-07 12:45:02 +02:00 • committed by David S. Miller

parent 9fcb0714dc

commit 2b2413610e

1 changed files with 3 additions and 1 deletions

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net/ipv6/route.c

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