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
""" 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,
# 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):