net/ipv6: Create a neigh_lookup for FIB entries

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The router discovery code has a FIB entry and wants to validate the
gateway has a neighbor entry. Refactor the existing dst_neigh_lookup
for IPv6 and create a new function that takes the gateway and device
and returns a neighbor entry. Use the new function in
ndisc_router_discovery to validate the gateway.

Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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David Ahern 2018-04-17 17:33:21 -07:00 • committed by David S. Miller

parent 3b6761d18b

commit f8a1b43b70

3 changed files with 29 additions and 15 deletions

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