import random
import copy
-from socket import AF_INET6
+from socket import AF_INET, AF_INET6
from scapy.packet import Raw
from scapy.layers.l2 import Ether, ARP
from framework import VppTestCase, VppTestRunner
from util import Host, ppp, mactobinary
+from vpp_mac import VppMacAddress
+from vpp_ip import VppIpAddress
class TestL2bdArpTerm(VppTestCase):
def add_del_arp_term_hosts(self, entries, bd_id=1, is_add=1, is_ipv6=0):
for e in entries:
- ip = e.ip4n if is_ipv6 == 0 else e.ip6n
+ ip = e.ip4 if is_ipv6 == 0 else e.ip6
self.vapi.bd_ip_mac_add_del(bd_id=bd_id,
- mac=e.bin_mac,
- ip=ip,
+ mac=VppMacAddress(e.mac).encode(),
+ ip=VppIpAddress(ip).encode(),
is_ipv6=is_ipv6,
is_add=is_add)
self.vapi.bridge_domain_add_del(bd_id=bd_id, is_add=is_add)
@classmethod
- def arp(cls, src_host, host):
+ def arp_req(cls, src_host, host):
return (Ether(dst="ff:ff:ff:ff:ff:ff", src=src_host.mac) /
ARP(op="who-has",
hwsrc=src_host.bin_mac,
@classmethod
def arp_reqs(cls, src_host, entries):
- return [cls.arp(src_host, e) for e in entries]
+ return [cls.arp_req(src_host, e) for e in entries]
+
+ @classmethod
+ def garp_req(cls, host):
+ return cls.arp_req(host, host)
+
+ @classmethod
+ def garp_reqs(cls, entries):
+ return [cls.garp_req(e) for e in entries]
def arp_resp_host(self, src_host, arp_resp):
ether = arp_resp[Ether]
def arp_resp_hosts(self, src_host, pkts):
return {self.arp_resp_host(src_host, p) for p in pkts}
+ def inttoip4(self, ip):
+ o1 = int(ip / 16777216) % 256
+ o2 = int(ip / 65536) % 256
+ o3 = int(ip / 256) % 256
+ o4 = int(ip) % 256
+ return '%(o1)s.%(o2)s.%(o3)s.%(o4)s' % locals()
+
+ def arp_event_host(self, e):
+ return Host(mac=':'.join(['%02x' % ord(char) for char in e.new_mac]),
+ ip4=self.inttoip4(e.address))
+
+ def arp_event_hosts(self, evs):
+ return {self.arp_event_host(e) for e in evs}
+
+ def nd_event_host(self, e):
+ return Host(mac=':'.join(['%02x' % ord(char) for char in e.new_mac]),
+ ip6=inet_ntop(AF_INET6, e.address))
+
+ def nd_event_hosts(self, evs):
+ return {self.nd_event_host(e) for e in evs}
+
@classmethod
def ns_req(cls, src_host, host):
nsma = in6_getnsma(inet_pton(AF_INET6, "fd10::ffff"))
ICMPv6NDOptSrcLLAddr(lladdr=src_host.mac))
@classmethod
- def ns_reqs(cls, src_host, entries):
+ def ns_reqs_dst(cls, entries, dst_host):
+ return [cls.ns_req(e, dst_host) for e in entries]
+
+ @classmethod
+ def ns_reqs_src(cls, src_host, entries):
return [cls.ns_req(src_host, e) for e in entries]
def na_resp_host(self, src_host, rx):
self.assertEqual(len(resps ^ resp_hosts), 0)
def verify_nd(self, src_host, req_hosts, resp_hosts, bd_id=1):
- reqs = self.ns_reqs(src_host, req_hosts)
+ reqs = self.ns_reqs_src(src_host, req_hosts)
for swif in self.bd_swifs(bd_id):
swif.add_stream(reqs)
macs = self.mac_list(range(1, 5))
hosts = self.ip4_hosts(4, 1, macs)
self.add_del_arp_term_hosts(hosts, is_add=1)
+
self.verify_arp(src_host, hosts, hosts)
type(self).hosts = hosts
self.verify_nd(src_host, hosts, updated)
self.bd_add_del(1, is_add=0)
+ def test_l2bd_arp_term_09(self):
+ """ L2BD arp term - send garps, verify arp event reports
+ """
+ self.vapi.want_ip4_arp_events()
+ self.bd_add_del(1, is_add=1)
+ self.set_bd_flags(1, arp_term=True, flood=False,
+ uu_flood=False, learn=False)
+ macs = self.mac_list(range(90, 95))
+ hosts = self.ip4_hosts(5, 1, macs)
+
+ garps = self.garp_reqs(hosts)
+ self.bd_swifs(1)[0].add_stream(garps)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ evs = [self.vapi.wait_for_event(1, "ip4_arp_event")
+ for i in range(len(hosts))]
+ ev_hosts = self.arp_event_hosts(evs)
+ self.assertEqual(len(ev_hosts ^ hosts), 0)
+
+ def test_l2bd_arp_term_10(self):
+ """ L2BD arp term - send duplicate garps, verify suppression
+ """
+ macs = self.mac_list(range(70, 71))
+ hosts = self.ip4_hosts(6, 1, macs)
+
+ """ send the packet 5 times expect one event
+ """
+ garps = self.garp_reqs(hosts) * 5
+ self.bd_swifs(1)[0].add_stream(garps)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ evs = [self.vapi.wait_for_event(1, "ip4_arp_event")
+ for i in range(len(hosts))]
+ ev_hosts = self.arp_event_hosts(evs)
+ self.assertEqual(len(ev_hosts ^ hosts), 0)
+
+ def test_l2bd_arp_term_11(self):
+ """ L2BD arp term - disable ip4 arp events,send garps, verify no events
+ """
+ self.vapi.want_ip4_arp_events(enable_disable=0)
+ macs = self.mac_list(range(90, 95))
+ hosts = self.ip4_hosts(5, 1, macs)
+
+ garps = self.garp_reqs(hosts)
+ self.bd_swifs(1)[0].add_stream(garps)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.sleep(1)
+ self.assertEqual(len(self.vapi.collect_events()), 0)
+ self.bd_add_del(1, is_add=0)
+
+ def test_l2bd_arp_term_12(self):
+ """ L2BD ND term - send NS packets verify reports
+ """
+ self.vapi.want_ip6_nd_events(address=inet_pton(AF_INET6, "::0"))
+ dst_host = self.ip6_host(50, 50, "00:00:11:22:33:44")
+ self.bd_add_del(1, is_add=1)
+ self.set_bd_flags(1, arp_term=True, flood=False,
+ uu_flood=False, learn=False)
+ macs = self.mac_list(range(10, 15))
+ hosts = self.ip6_hosts(5, 1, macs)
+ reqs = self.ns_reqs_dst(hosts, dst_host)
+ self.bd_swifs(1)[0].add_stream(reqs)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ evs = [self.vapi.wait_for_event(2, "ip6_nd_event")
+ for i in range(len(hosts))]
+ ev_hosts = self.nd_event_hosts(evs)
+ self.assertEqual(len(ev_hosts ^ hosts), 0)
+
+ def test_l2bd_arp_term_13(self):
+ """ L2BD ND term - send duplicate ns, verify suppression
+ """
+ dst_host = self.ip6_host(50, 50, "00:00:11:22:33:44")
+ macs = self.mac_list(range(10, 11))
+ hosts = self.ip6_hosts(5, 1, macs)
+ reqs = self.ns_reqs_dst(hosts, dst_host) * 5
+ self.bd_swifs(1)[0].add_stream(reqs)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ evs = [self.vapi.wait_for_event(2, "ip6_nd_event")
+ for i in range(len(hosts))]
+ ev_hosts = self.nd_event_hosts(evs)
+ self.assertEqual(len(ev_hosts ^ hosts), 0)
+
+ def test_l2bd_arp_term_14(self):
+ """ L2BD ND term - disable ip4 arp events,send ns, verify no events
+ """
+ self.vapi.want_ip6_nd_events(enable_disable=0,
+ address=inet_pton(AF_INET6, "::0"))
+ dst_host = self.ip6_host(50, 50, "00:00:11:22:33:44")
+ macs = self.mac_list(range(10, 15))
+ hosts = self.ip6_hosts(5, 1, macs)
+ reqs = self.ns_reqs_dst(hosts, dst_host)
+ self.bd_swifs(1)[0].add_stream(reqs)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.sleep(1)
+ self.assertEqual(len(self.vapi.collect_events()), 0)
+ self.bd_add_del(1, is_add=0)
+
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)
Code Review / vpp.git / blobdiff