ip: add IPv6 ping test for link-layer address

Type: improvement

Change-Id: I9f60e29462c7cb193a8594b7de06418b40573103
Signed-off-by: Benoît Ganne <bganne@cisco.com>

1 files changed, 27 insertions, 31 deletions

diff --git a/test/test_ip6.py b/test/test_ip6.py
index e6067f67dd9..99c63873afb 100644
--- a/test/test_ip6.py
+++ b/test/test_ip6.py
@@ -1169,6 +1169,7 @@ class TestICMPv6Echo(VppTestCase):
         for i in self.pg_interfaces:
             i.admin_up()
             i.config_ip6()
+            i.resolve_ndp(link_layer=True)
             i.resolve_ndp()
 
     def tearDown(self):
@@ -1186,39 +1187,34 @@ class TestICMPv6Echo(VppTestCase):
             - Check outgoing ICMPv6 Echo Reply message on pg0 interface.
         """
 
-        icmpv6_id = 0xb
-        icmpv6_seq = 5
-        icmpv6_data = b'\x0a' * 18
-        p_echo_request = (Ether(src=self.pg0.remote_mac,
-                                dst=self.pg0.local_mac) /
-                          IPv6(src=self.pg0.remote_ip6,
-                               dst=self.pg0.local_ip6) /
-                          ICMPv6EchoRequest(
-                              id=icmpv6_id,
-                              seq=icmpv6_seq,
-                              data=icmpv6_data))
-
-        self.pg0.add_stream(p_echo_request)
+        # test both with global and local ipv6 addresses
+        dsts = (self.pg0.local_ip6, self.pg0.local_ip6_ll)
+        id = 0xb
+        seq = 5
+        data = b'\x0a' * 18
+        p = list()
+        for dst in dsts:
+            p.append((Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+                      IPv6(src=self.pg0.remote_ip6, dst=dst) /
+                      ICMPv6EchoRequest(id=id, seq=seq, data=data)))
+
+        self.pg0.add_stream(p)
         self.pg_enable_capture(self.pg_interfaces)
         self.pg_start()
-
-        rx = self.pg0.get_capture(1)
-        rx = rx[0]
-        ether = rx[Ether]
-        ipv6 = rx[IPv6]
-        icmpv6 = rx[ICMPv6EchoReply]
-
-        self.assertEqual(ether.src, self.pg0.local_mac)
-        self.assertEqual(ether.dst, self.pg0.remote_mac)
-
-        self.assertEqual(ipv6.src, self.pg0.local_ip6)
-        self.assertEqual(ipv6.dst, self.pg0.remote_ip6)
-
-        self.assertEqual(
-            icmp6types[icmpv6.type], "Echo Reply")
-        self.assertEqual(icmpv6.id, icmpv6_id)
-        self.assertEqual(icmpv6.seq, icmpv6_seq)
-        self.assertEqual(icmpv6.data, icmpv6_data)
+        rxs = self.pg0.get_capture(len(dsts))
+
+        for rx, dst in zip(rxs, dsts):
+            ether = rx[Ether]
+            ipv6 = rx[IPv6]
+            icmpv6 = rx[ICMPv6EchoReply]
+            self.assertEqual(ether.src, self.pg0.local_mac)
+            self.assertEqual(ether.dst, self.pg0.remote_mac)
+            self.assertEqual(ipv6.src, dst)
+            self.assertEqual(ipv6.dst, self.pg0.remote_ip6)
+            self.assertEqual(icmp6types[icmpv6.type], "Echo Reply")
+            self.assertEqual(icmpv6.id, id)
+            self.assertEqual(icmpv6.seq, seq)
+            self.assertEqual(icmpv6.data, data)
 
 
 class TestIPv6RD(TestIPv6ND):