[qca-nss-clients] NSS CAPWAP manager changes

1) Handle ifconfig nsscapwapX up|down events to
   enable/disable tunnels in the netdev
2) Provide an API to retrieve tunnel statistics
3) Update IPv4/IPv6 rule's from/to MTU when PATH
   MTU is changed.

Change-Id: Ia60cc2209fbcc231f3b07203a5078f7c951a6f39
Signed-off-by: Saurabh Misra <smisra@codeaurora.org>
1 file changed