[airos] added split_cidr function to interface module

Author: edoput

netjsonconfig/backends/airos/interface.py

@@ -53,8 +53,12 @@ def radio(interface):
     return interface['wireless']['radio']
 
 
+def split_cidr(address):
     """
+    Return the address in dict format
     """
+    network = ip_interface('{addr}/{mask}'.format(addr=address['address'], mask=address['mask']))
+    return {'ip': network.ip, 'netmask': network.netmask}
 
 
 def ssid(interface):