IP route local and connected
[vpp.git] / test / test_neighbor.py
index a15106a..47f002c 100644 (file)
@@ -6,11 +6,12 @@ from socket import AF_INET, AF_INET6, inet_pton
 from framework import VppTestCase, VppTestRunner
 from vpp_neighbor import VppNeighbor, find_nbr
 from vpp_ip_route import VppIpRoute, VppRoutePath, find_route, \
-    VppIpTable
+    VppIpTable, DpoProto
 
 from scapy.packet import Raw
 from scapy.layers.l2 import Ether, ARP, Dot1Q
 from scapy.layers.inet import IP, UDP
+from scapy.layers.inet6 import IPv6
 from scapy.contrib.mpls import MPLS
 from scapy.layers.inet6 import IPv6
 
@@ -1321,14 +1322,16 @@ class ARPTestCase(VppTestCase):
         """ Incomplete Entries """
 
         #
-        # ensure that we throttle the ARP requests
+        # ensure that we throttle the ARP and ND requests
         #
         self.pg0.generate_remote_hosts(2)
 
+        #
+        # IPv4/ARP
+        #
         ip_10_0_0_1 = VppIpRoute(self, "10.0.0.1", 32,
                                  [VppRoutePath(self.pg0.remote_hosts[1].ip4,
-                                               self.pg0.sw_if_index,
-                                               labels=[55])])
+                                               self.pg0.sw_if_index)])
         ip_10_0_0_1.add_vpp_config()
 
         p1 = (Ether(dst=self.pg1.local_mac,
@@ -1347,7 +1350,69 @@ class ARPTestCase(VppTestCase):
         # how many we get is going to be dependent on the time for packet
         # processing but it should be small
         #
-        self.assertTrue(len(rx) < 64)
+        self.assertLess(len(rx), 64)
+
+        #
+        # IPv6/ND
+        #
+        ip_10_1 = VppIpRoute(self, "10::1", 128,
+                             [VppRoutePath(self.pg0.remote_hosts[1].ip6,
+                                           self.pg0.sw_if_index,
+                                           proto=DpoProto.DPO_PROTO_IP6)],
+                             is_ip6=1)
+        ip_10_1.add_vpp_config()
+
+        p1 = (Ether(dst=self.pg1.local_mac,
+                    src=self.pg1.remote_mac) /
+              IPv6(src=self.pg1.remote_ip6,
+                   dst="10::1") /
+              UDP(sport=1234, dport=1234) /
+              Raw())
+
+        self.pg1.add_stream(p1 * 257)
+        self.pg_enable_capture(self.pg_interfaces)
+        self.pg_start()
+        rx = self.pg0._get_capture(1)
+
+        #
+        # how many we get is going to be dependent on the time for packet
+        # processing but it should be small
+        #
+        self.assertLess(len(rx), 64)
+
+    def test_arp_forus(self):
+        """ ARP for for-us """
+
+        #
+        # Test that VPP responds with ARP requests to addresses that
+        # are connected and local routes.
+        # Use one of the 'remote' addresses in the subnet as a local address
+        # The intention of this route is that it then acts like a secondardy
+        # address added to an interface
+        #
+        self.pg0.generate_remote_hosts(2)
+
+        forus = VppIpRoute(self, self.pg0.remote_hosts[1].ip4, 32,
+                           [VppRoutePath(self.pg0.remote_hosts[1].ip4,
+                                         self.pg0.sw_if_index)],
+                           is_local=1)
+        forus.add_vpp_config()
+
+        p = (Ether(dst="ff:ff:ff:ff:ff:ff",
+                   src=self.pg0.remote_mac) /
+             ARP(op="who-has",
+                 hwdst=self.pg0.local_mac,
+                 hwsrc=self.pg0.remote_mac,
+                 pdst=self.pg0.remote_hosts[1].ip4,
+                 psrc=self.pg0.remote_ip4))
+
+        rx = self.send_and_expect(self.pg0, [p], self.pg0)
+
+        self.verify_arp_resp(rx[0],
+                             self.pg0.local_mac,
+                             self.pg0.remote_mac,
+                             self.pg0.remote_hosts[1].ip4,
+                             self.pg0.remote_ip4)
 
 
 class NeighborStatsTestCase(VppTestCase):