ipv4: Add FLOWI_FLAG_KNOWN_NH
Add flag to request that output route should be returned with known rt_gateway, in case we want to use it as nexthop for neighbour resolving. The returned route can be cached as follows: - in NH exception: because the cached routes are not shared with other destinations - in FIB NH: when using gateway because all destinations for NH share same gateway As last option, to return rt_gateway!=0 we have to set DST_NOCACHE. Signed-off-by:Julian Anastasov <ja@ssi.bg> Signed-off-by:
David S. Miller <davem@davemloft.net>
parent
155e8336
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