VPP-1508: Python3 tests. Explicitly specify string formatting.
[vpp.git] / test / test_neighbor.py
index c161eb8..c378cff 100644 (file)
@@ -6,12 +6,15 @@ 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, \
 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 vpp_papi import VppEnum
 
 from scapy.packet import Raw
 from scapy.layers.l2 import Ether, ARP, Dot1Q
 from scapy.layers.inet import IP, UDP
 
 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.contrib.mpls import MPLS
+from scapy.layers.inet6 import IPv6
 
 # not exported by scapy, so redefined here
 arp_opts = {"who-has": 1, "is-at": 2}
 
 # not exported by scapy, so redefined here
 arp_opts = {"who-has": 1, "is-at": 2}
@@ -296,6 +299,10 @@ class ARPTestCase(VppTestCase):
         #
         self.pg2.set_unnumbered(self.pg1.sw_if_index)
 
         #
         self.pg2.set_unnumbered(self.pg1.sw_if_index)
 
+        unnum = self.vapi.ip_unnumbered_dump()
+        self.assertEqual(unnum[0].ip_sw_if_index, self.pg1.sw_if_index)
+        self.assertEqual(unnum[0].sw_if_index, self.pg2.sw_if_index)
+
         #
         # We should respond to ARP requests for the unnumbered to address
         # once an attached route to the source is known
         #
         # We should respond to ARP requests for the unnumbered to address
         # once an attached route to the source is known
@@ -687,8 +694,8 @@ class ARPTestCase(VppTestCase):
         #
         # Configure Proxy ARP for the subnet on PG0addresses on pg0
         #
         #
         # Configure Proxy ARP for the subnet on PG0addresses on pg0
         #
-        self.vapi.proxy_arp_add_del(self.pg0._local_ip4n_subnet,
-                                    self.pg0._local_ip4n_bcast)
+        self.vapi.proxy_arp_add_del(self.pg0._local_ip4_subnet,
+                                    self.pg0._local_ip4_bcast)
 
         # Make pg2 un-numbered to pg0
         #
 
         # Make pg2 un-numbered to pg0
         #
@@ -725,8 +732,8 @@ class ARPTestCase(VppTestCase):
         # cleanup
         #
         self.pg2.set_proxy_arp(0)
         # cleanup
         #
         self.pg2.set_proxy_arp(0)
-        self.vapi.proxy_arp_add_del(self.pg0._local_ip4n_subnet,
-                                    self.pg0._local_ip4n_bcast,
+        self.vapi.proxy_arp_add_del(self.pg0._local_ip4_subnet,
+                                    self.pg0._local_ip4_bcast,
                                     is_add=0)
 
     def test_proxy_arp(self):
                                     is_add=0)
 
     def test_proxy_arp(self):
@@ -965,11 +972,7 @@ class ARPTestCase(VppTestCase):
               UDP(sport=1234, dport=1234) /
               Raw())
 
               UDP(sport=1234, dport=1234) /
               Raw())
 
-        self.pg0.add_stream(p0)
-        self.pg_enable_capture(self.pg_interfaces)
-        self.pg_start()
-
-        rx1 = self.pg1.get_capture(1)
+        rx1 = self.send_and_expect(self.pg0, [p0], self.pg1)
 
         self.verify_arp_req(rx1[0],
                             self.pg1.local_mac,
 
         self.verify_arp_req(rx1[0],
                             self.pg1.local_mac,
@@ -986,20 +989,14 @@ class ARPTestCase(VppTestCase):
                   hwsrc="00:00:5e:00:01:09", pdst=self.pg1.local_ip4,
                   psrc=self.pg1.remote_ip4))
 
                   hwsrc="00:00:5e:00:01:09", pdst=self.pg1.local_ip4,
                   psrc=self.pg1.remote_ip4))
 
-        self.pg1.add_stream(p1)
-        self.pg_enable_capture(self.pg_interfaces)
-        self.pg_start()
+        self.send_and_assert_no_replies(self.pg1, p1, "ARP reply")
 
         #
         # IP packet destined for pg1 remote host arrives on pg0 again.
         # VPP should have an ARP entry for that address now and the packet
         # should be sent out pg1.
         #
 
         #
         # IP packet destined for pg1 remote host arrives on pg0 again.
         # VPP should have an ARP entry for that address now and the packet
         # should be sent out pg1.
         #
-        self.pg0.add_stream(p0)
-        self.pg_enable_capture(self.pg_interfaces)
-        self.pg_start()
-
-        rx1 = self.pg1.get_capture(1)
+        rx1 = self.send_and_expect(self.pg0, [p0], self.pg1)
 
         self.verify_ip(rx1[0],
                        self.pg1.local_mac,
 
         self.verify_ip(rx1[0],
                        self.pg1.local_mac,
@@ -1312,6 +1309,207 @@ class ARPTestCase(VppTestCase):
                                   self.pg1.sw_if_index,
                                   self.pg1.remote_hosts[2].ip4))
 
                                   self.pg1.sw_if_index,
                                   self.pg1.remote_hosts[2].ip4))
 
+    def test_arp_incomplete(self):
+        """ Incomplete Entries """
+
+        #
+        # 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)])
+        ip_10_0_0_1.add_vpp_config()
+
+        p1 = (Ether(dst=self.pg1.local_mac,
+                    src=self.pg1.remote_mac) /
+              IP(src=self.pg1.remote_ip4,
+                 dst="10.0.0.1") /
+              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)
+
+        #
+        # 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):
+    """ ARP/ND Counters """
+
+    def setUp(self):
+        super(NeighborStatsTestCase, self).setUp()
+
+        self.create_pg_interfaces(range(2))
+
+        # pg0 configured with ip4 and 6 addresses used for input
+        # pg1 configured with ip4 and 6 addresses used for output
+        # pg2 is unnumbered to pg0
+        for i in self.pg_interfaces:
+            i.admin_up()
+            i.config_ip4()
+            i.config_ip6()
+            i.resolve_arp()
+            i.resolve_ndp()
+
+    def tearDown(self):
+        super(NeighborStatsTestCase, self).tearDown()
+
+        for i in self.pg_interfaces:
+            i.unconfig_ip4()
+            i.unconfig_ip6()
+            i.admin_down()
+
+    def test_arp_stats(self):
+        """ ARP Counters """
+
+        self.vapi.cli("adj counters enable")
+        self.pg1.generate_remote_hosts(2)
+
+        arp1 = VppNeighbor(self,
+                           self.pg1.sw_if_index,
+                           self.pg1.remote_hosts[0].mac,
+                           self.pg1.remote_hosts[0].ip4)
+        arp1.add_vpp_config()
+        arp2 = VppNeighbor(self,
+                           self.pg1.sw_if_index,
+                           self.pg1.remote_hosts[1].mac,
+                           self.pg1.remote_hosts[1].ip4)
+        arp2.add_vpp_config()
+
+        p1 = (Ether(dst=self.pg0.local_mac,
+                    src=self.pg0.remote_mac) /
+              IP(src=self.pg0.remote_ip4,
+                 dst=self.pg1.remote_hosts[0].ip4) /
+              UDP(sport=1234, dport=1234) /
+              Raw())
+        p2 = (Ether(dst=self.pg0.local_mac,
+                    src=self.pg0.remote_mac) /
+              IP(src=self.pg0.remote_ip4,
+                 dst=self.pg1.remote_hosts[1].ip4) /
+              UDP(sport=1234, dport=1234) /
+              Raw())
+
+        rx = self.send_and_expect(self.pg0, p1 * 65, self.pg1)
+        rx = self.send_and_expect(self.pg0, p2 * 65, self.pg1)
+
+        self.assertEqual(65, arp1.get_stats()['packets'])
+        self.assertEqual(65, arp2.get_stats()['packets'])
+
+        rx = self.send_and_expect(self.pg0, p1 * 65, self.pg1)
+        self.assertEqual(130, arp1.get_stats()['packets'])
+
+    def test_nd_stats(self):
+        """ ND Counters """
+
+        self.vapi.cli("adj counters enable")
+        self.pg0.generate_remote_hosts(3)
+
+        nd1 = VppNeighbor(self,
+                          self.pg0.sw_if_index,
+                          self.pg0.remote_hosts[1].mac,
+                          self.pg0.remote_hosts[1].ip6)
+        nd1.add_vpp_config()
+        nd2 = VppNeighbor(self,
+                          self.pg0.sw_if_index,
+                          self.pg0.remote_hosts[2].mac,
+                          self.pg0.remote_hosts[2].ip6)
+        nd2.add_vpp_config()
+
+        p1 = (Ether(dst=self.pg1.local_mac,
+                    src=self.pg1.remote_mac) /
+              IPv6(src=self.pg1.remote_ip6,
+                   dst=self.pg0.remote_hosts[1].ip6) /
+              UDP(sport=1234, dport=1234) /
+              Raw())
+        p2 = (Ether(dst=self.pg1.local_mac,
+                    src=self.pg1.remote_mac) /
+              IPv6(src=self.pg1.remote_ip6,
+                   dst=self.pg0.remote_hosts[2].ip6) /
+              UDP(sport=1234, dport=1234) /
+              Raw())
+
+        rx = self.send_and_expect(self.pg1, p1 * 16, self.pg0)
+        rx = self.send_and_expect(self.pg1, p2 * 16, self.pg0)
+
+        self.assertEqual(16, nd1.get_stats()['packets'])
+        self.assertEqual(16, nd2.get_stats()['packets'])
+
+        rx = self.send_and_expect(self.pg1, p1 * 65, self.pg0)
+        self.assertEqual(81, nd1.get_stats()['packets'])
+
 
 if __name__ == '__main__':
     unittest.main(testRunner=VppTestRunner)
 
 if __name__ == '__main__':
     unittest.main(testRunner=VppTestRunner)