neigh: Add helper function neigh_xmit

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For MPLS I am building the code so that either the neighbour mac
address can be specified or we can have a next hop in ipv4 or ipv6.

The kind of next hop we have is indicated by the neighbour table
pointer.  A neighbour table pointer of NULL is a link layer address.
A non-NULL neighbour table pointer indicates which neighbour table and
thus which address family the next hop address is in that we need to
look up.

The code either sends a packet directly or looks up the appropriate
neighbour table entry and sends the packet.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Eric W. Biederman 2015-03-03 17:11:16 -06:00 • committed by David S. Miller

parent 60395a20ff

commit 4fd3d7d9e8

2 changed files with 37 additions and 0 deletions

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3

include/net/neighbour.h

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34

net/core/neighbour.c

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