ipv4: Refactor fib_check_nh

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fib_check_nh is currently huge covering multiple uses cases - device only,
device + gateway, and device + gateway with ONLINK. The next patch adds
validation checks for IPv6 which only further complicates it. So, break
fib_check_nh into 2 helpers - one for gateway validation and one for device
only.

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

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David Ahern 2019-04-05 16:30:31 -07:00 • committed by David S. Miller

parent a4ea5d43c8

commit 448d724819

1 changed files with 125 additions and 109 deletions

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242

net/ipv4/fib_semantics.c

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