devices: af_packet API cleanup

Use consistent API types.

- fix af_packet_dump dumping deleted interface

Type: fix

Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com>
Change-Id: Ie8d138e30c8c51a2306bb2ad9ac0b7a49d5412bf
Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com>

test/vpp_devices.py

@@ -0,0 +1,41 @@
+from vpp_interface import VppInterface
+
+
+class VppAFPacketInterface(VppInterface):
+
+    @property
+    def host_if_name(self):
+        """Host interface name"""
+        return self._host_if_name
+
+    def __init__(self, test, host_if_name, mac_addr=None):
+        self._test = test
+        self._host_if_name = host_if_name
+        self._mac_addr = mac_addr
+
+    def get_vpp_dump(self):
+        dump = self._test.vapi.af_packet_dump()
+        for entry in dump:
+            if entry.sw_if_index == self.sw_if_index:
+                return entry
+
+    def add_vpp_config(self):
+        use_random_mac = True if self._mac_addr else False
+        reply = self._test.vapi.af_packet_create(
+            host_if_name=self._host_if_name,
+            use_random_hw_addr=use_random_mac,
+            hw_addr=self._mac_addr)
+        self.set_sw_if_index(reply.sw_if_index)
+        self._test.registry.register(self, self.test.logger)
+
+    def remove_vpp_config(self):
+        self._test.vapi.af_packet_delete(host_if_name=self._host_if_name)
+
+    def query_vpp_config(self):
+        dump = self.get_vpp_dump()
+        if dump:
+            return True
+        return False
+
+    def object_id(self):
+        return "af_packet-%s" % self._host_if_name