nfp: flower: link pre_tun flow rules with neigh entries
Add helper functions that can create links between flow rules and cached neighbour entries. Also add the relevant calls to these functions. * When a new neighbour entry gets added cycle through the saved pre_tun flow list and link any relevant matches. Update the neighbour table on the nfp with this new information. * When a new pre_tun flow rule gets added iterate through the save neighbour entries and link any relevant matches. Once again update the nfp neighbour table with any new links. * Do the inverse when deleting - remove any created links and also inform the nfp of this. Signed-off-by: Louis Peens <louis.peens@corigine.com> Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com> Signed-off-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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