[qca-nss-ecm] Send arp/solicitation when mac lookup fails

This is especially required for the LAN host mac lookups.
If the LAN hosts are the origin of the traffic and they are not
in the neigh table, until they send arp/solicitation requests
to the devices, their IPs will not be added to the neigh table.
So, it is better to send these requests to them from ECM.

Change-Id: Icb90c6e3c841da91f16523d55c3bbf3f9137d76e
Signed-off-by: Murat Sezgin <msezgin@codeaurora.org>
1 file changed