API: Cleanup APIs interface.api

Use of consistent API types for interface.api

Change-Id: Ieb54cebb4ac96b432a3f0b41596718aa2f34885b
Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com>
diff --git a/test/test_ip4.py b/test/test_ip4.py
index c8c0a71..8282d13 100644
--- a/test/test_ip4.py
+++ b/test/test_ip4.py
@@ -17,6 +17,7 @@
     VppMRoutePath, MRouteItfFlags, MRouteEntryFlags, VppMplsIpBind, \
     VppMplsTable, VppIpTable
 from vpp_sub_interface import VppSubInterface, VppDot1QSubint, VppDot1ADSubint
+from vpp_ip import VppIpPrefix
 
 
 class TestIPv4(VppTestCase):
@@ -810,8 +811,8 @@
         ip_addr_n = socket.inet_pton(socket.AF_INET, "10.10.10.10")
 
         self.vapi.sw_interface_add_del_address(
-            sw_if_index=self.pg0.sw_if_index, address=ip_addr_n,
-            address_length=16)
+            sw_if_index=self.pg0.sw_if_index,
+            prefix=VppIpPrefix("10.10.10.10", 16).encode())
 
         pn = (Ether(src=self.pg1.remote_mac,
                     dst=self.pg1.local_mac) /
@@ -829,8 +830,9 @@
 
         # remove the sub-net and we are forwarding via the cover again
         self.vapi.sw_interface_add_del_address(
-            sw_if_index=self.pg0.sw_if_index, address=ip_addr_n,
-            address_length=16, is_add=0)
+            sw_if_index=self.pg0.sw_if_index,
+            prefix=VppIpPrefix("10.10.10.10", 16).encode(), is_add=0)
+
         self.pg1.add_stream(pn)
         self.pg_enable_capture(self.pg_interfaces)
         self.pg_start()
@@ -847,8 +849,8 @@
         ip_addr_n = socket.inet_pton(socket.AF_INET, "10.10.10.10")
 
         self.vapi.sw_interface_add_del_address(
-            sw_if_index=self.pg0.sw_if_index, address=ip_addr_n,
-            address_length=31)
+            sw_if_index=self.pg0.sw_if_index,
+            prefix=VppIpPrefix("10.10.10.10", 31).encode())
 
         pn = (Ether(src=self.pg1.remote_mac,
                     dst=self.pg1.local_mac) /
@@ -864,8 +866,9 @@
 
         # remove the sub-net and we are forwarding via the cover again
         self.vapi.sw_interface_add_del_address(
-            sw_if_index=self.pg0.sw_if_index, address=ip_addr_n,
-            address_length=31, is_add=0)
+            sw_if_index=self.pg0.sw_if_index,
+            prefix=VppIpPrefix("10.10.10.10", 31).encode(), is_add=0)
+
         self.pg1.add_stream(pn)
         self.pg_enable_capture(self.pg_interfaces)
         self.pg_start()