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nfp: flower vxlan neighbour offload

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Receive a request when the NFP does not know the next hop for a packet
that is to be encapsulated in a VXLAN tunnel. Do a route lookup, determine
the next hop entry and update neighbour table on NFP. Monitor the kernel
neighbour table for link changes and update NFP with relevant information.
Overwrite routes with zero values on the NFP when they expire.

Signed-off-by: John Hurley <john.hurley@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
John Hurley 2017-09-25 12:23:40 +02:00 • committed by David S. Miller
commit 8e6a9046b6
4 changed files with 268 additions and 0 deletions
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