X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_ip6.py;h=f2c4c00424e602095fc2355ddeb9c91204a1bfe7;hb=6c92f5babdc3c52cf343509fc9cf9d8a9a3df390;hp=7c9df4657072bdc55c9899f91377c040a162538d;hpb=4271c971919bb8defa3ca54f4a362676cd57bfb2;p=vpp.git diff --git a/test/test_ip6.py b/test/test_ip6.py index 7c9df465707..f2c4c00424e 100644 --- a/test/test_ip6.py +++ b/test/test_ip6.py @@ -10,7 +10,7 @@ from scapy.contrib.mpls import MPLS from scapy.layers.inet6 import IPv6, ICMPv6ND_NS, ICMPv6ND_RS, \ ICMPv6ND_RA, ICMPv6NDOptMTU, ICMPv6NDOptSrcLLAddr, ICMPv6NDOptPrefixInfo, \ ICMPv6ND_NA, ICMPv6NDOptDstLLAddr, ICMPv6DestUnreach, icmp6types, \ - ICMPv6TimeExceeded, ICMPv6EchoRequest, ICMPv6EchoReply + ICMPv6TimeExceeded, ICMPv6EchoRequest, ICMPv6EchoReply, IPv6ExtHdrHopByHop from scapy.layers.l2 import Ether, Dot1Q from scapy.packet import Raw from scapy.utils import inet_pton, inet_ntop @@ -20,14 +20,15 @@ from six import moves from framework import VppTestCase, VppTestRunner from util import ppp, ip6_normalize, mk_ll_addr -from vpp_ip import DpoProto +from vpp_ip import DpoProto, VppIpAddress from vpp_ip_route import VppIpRoute, VppRoutePath, find_route, VppIpMRoute, \ VppMRoutePath, MRouteItfFlags, MRouteEntryFlags, VppMplsIpBind, \ - VppMplsRoute, VppMplsTable, VppIpTable + VppMplsRoute, VppMplsTable, VppIpTable, FibPathType, \ + VppIpInterfaceAddress from vpp_neighbor import find_nbr, VppNeighbor from vpp_pg_interface import is_ipv6_misc from vpp_sub_interface import VppSubInterface, VppDot1QSubint -from ipaddress import IPv6Network, IPv4Network +from ipaddress import IPv6Network, IPv4Network, IPv6Address AF_INET6 = socket.AF_INET6 @@ -217,9 +218,6 @@ class TestIPv6(TestIPv6ND): i.config_ip6() i.resolve_ndp() - # config 2M FIB entries - self.config_fib_entries(200) - def tearDown(self): """Run standard test teardown and log ``show ip6 neighbors``.""" for i in self.interfaces: @@ -234,34 +232,6 @@ class TestIPv6(TestIPv6ND): self.logger.info(self.vapi.cli("show ip6 neighbors")) # info(self.vapi.cli("show ip6 fib")) # many entries - def config_fib_entries(self, count): - """For each interface add to the FIB table *count* routes to - "fd02::1/128" destination with interface's local address as next-hop - address. - - :param int count: Number of FIB entries. - - - *TODO:* check if the next-hop address shouldn't be remote address - instead of local address. - """ - n_int = len(self.interfaces) - percent = 0 - counter = 0.0 - dest_addr = inet_pton(AF_INET6, "fd02::1") - dest_addr_len = 128 - for i in self.interfaces: - next_hop_address = i.local_ip6n - for j in range(count / n_int): - self.vapi.ip_add_del_route(dst_address=dest_addr, - dst_address_length=dest_addr_len, - next_hop_address=next_hop_address, - is_ipv6=1) - counter += 1 - if counter / count * 100 > percent: - self.logger.info("Configure %d FIB entries .. %d%% done" % - (count, percent)) - percent += 1 - def modify_packet(self, src_if, packet_size, pkt): """Add load, set destination IP and extend packet to required packet size for defined interface. @@ -359,6 +329,24 @@ class TestIPv6(TestIPv6ND): "Interface %s: Packet expected from interface %s " "didn't arrive" % (dst_if.name, i.name)) + def test_next_header_anomaly(self): + """ IPv6 next header anomaly test + + Test scenario: + - ipv6 next header field = Fragment Header (44) + - next header is ICMPv6 Echo Request + - wait for reassembly + """ + pkt = (Ether(src=self.pg0.local_mac, dst=self.pg0.remote_mac) / + IPv6(src=self.pg0.remote_ip6, dst=self.pg0.local_ip6, nh=44) / + ICMPv6EchoRequest()) + + self.pg0.add_stream(pkt) + self.pg_start() + + # wait for reassembly + self.sleep(10) + def test_fib(self): """ IPv6 FIB test @@ -465,8 +453,7 @@ class TestIPv6(TestIPv6ND): self.pg0._remote_hosts[2].ip6)) self.assertFalse(find_route(self, self.pg0._remote_hosts[2].ip6, - 128, - inet=AF_INET6)) + 128)) # # send an NS from a link local address to the interface's global @@ -493,8 +480,7 @@ class TestIPv6(TestIPv6ND): self.pg0._remote_hosts[2].ip6_ll)) self.assertFalse(find_route(self, self.pg0._remote_hosts[2].ip6_ll, - 128, - inet=AF_INET6)) + 128)) # # An NS to the router's own Link-local @@ -520,8 +506,7 @@ class TestIPv6(TestIPv6ND): self.pg0._remote_hosts[3].ip6_ll)) self.assertFalse(find_route(self, self.pg0._remote_hosts[3].ip6_ll, - 128, - inet=AF_INET6)) + 128)) def test_ns_duplicates(self): """ ND Duplicates""" @@ -631,7 +616,7 @@ class TestIPv6(TestIPv6ND): # the options are nested in the scapy packet in way that i cannot # decipher how to decode. this 1st layer of option always returns # nested classes, so a direct obj1=obj2 comparison always fails. - # however, the getlayer(.., 2) does give one instnace. + # however, the getlayer(.., 2) does give one instance. # so we cheat here and construct a new opt instance for comparison rd = ICMPv6NDOptPrefixInfo( prefixlen=raos.prefixlen, @@ -644,7 +629,9 @@ class TestIPv6(TestIPv6ND): rd = rx.getlayer( ICMPv6NDOptPrefixInfo, ii + 2) else: - self.assertEqual(pi_opt, raos) + self.assertEqual(pi_opt, raos, 'Expected: %s, received: %s' + % (pi_opt.show(dump=True), + raos.show(dump=True))) def send_and_expect_ra(self, intf, pkts, remark, dst_ip=None, filter_out_fn=is_ipv6_misc, @@ -759,8 +746,8 @@ class TestIPv6(TestIPv6ND): # # Configure The RA to announce the links prefix # - self.pg0.ip6_ra_prefix(self.pg0.local_ip6, - self.pg0.local_ip6_prefix_len) + self.pg0.ip6_ra_prefix('%s/%s' % (self.pg0.local_ip6, + self.pg0.local_ip6_prefix_len)) # # RAs should now contain the prefix information option @@ -785,8 +772,8 @@ class TestIPv6(TestIPv6ND): # Change the prefix info to not off-link # L-flag is clear # - self.pg0.ip6_ra_prefix(self.pg0.local_ip6, - self.pg0.local_ip6_prefix_len, + self.pg0.ip6_ra_prefix('%s/%s' % (self.pg0.local_ip6, + self.pg0.local_ip6_prefix_len), off_link=1) opt = ICMPv6NDOptPrefixInfo( @@ -805,8 +792,8 @@ class TestIPv6(TestIPv6ND): # Change the prefix info to not off-link, no-autoconfig # L and A flag are clear in the advert # - self.pg0.ip6_ra_prefix(self.pg0.local_ip6, - self.pg0.local_ip6_prefix_len, + self.pg0.ip6_ra_prefix('%s/%s' % (self.pg0.local_ip6, + self.pg0.local_ip6_prefix_len), off_link=1, no_autoconfig=1) @@ -826,8 +813,8 @@ class TestIPv6(TestIPv6ND): # Change the flag settings back to the defaults # L and A flag are set in the advert # - self.pg0.ip6_ra_prefix(self.pg0.local_ip6, - self.pg0.local_ip6_prefix_len) + self.pg0.ip6_ra_prefix('%s/%s' % (self.pg0.local_ip6, + self.pg0.local_ip6_prefix_len)) opt = ICMPv6NDOptPrefixInfo( prefixlen=self.pg0.local_ip6_prefix_len, @@ -845,8 +832,8 @@ class TestIPv6(TestIPv6ND): # Change the prefix info to not off-link, no-autoconfig # L and A flag are clear in the advert # - self.pg0.ip6_ra_prefix(self.pg0.local_ip6, - self.pg0.local_ip6_prefix_len, + self.pg0.ip6_ra_prefix('%s/%s' % (self.pg0.local_ip6, + self.pg0.local_ip6_prefix_len), off_link=1, no_autoconfig=1) @@ -866,8 +853,8 @@ class TestIPv6(TestIPv6ND): # Use the reset to defaults option to revert to defaults # L and A flag are clear in the advert # - self.pg0.ip6_ra_prefix(self.pg0.local_ip6, - self.pg0.local_ip6_prefix_len, + self.pg0.ip6_ra_prefix('%s/%s' % (self.pg0.local_ip6, + self.pg0.local_ip6_prefix_len), use_default=1) opt = ICMPv6NDOptPrefixInfo( @@ -885,8 +872,8 @@ class TestIPv6(TestIPv6ND): # # Advertise Another prefix. With no L-flag/A-flag # - self.pg0.ip6_ra_prefix(self.pg1.local_ip6, - self.pg1.local_ip6_prefix_len, + self.pg0.ip6_ra_prefix('%s/%s' % (self.pg1.local_ip6, + self.pg1.local_ip6_prefix_len), off_link=1, no_autoconfig=1) @@ -915,8 +902,8 @@ class TestIPv6(TestIPv6ND): # Remove the first prefix-info - expect the second is still in the # advert # - self.pg0.ip6_ra_prefix(self.pg0.local_ip6, - self.pg0.local_ip6_prefix_len, + self.pg0.ip6_ra_prefix('%s/%s' % (self.pg0.local_ip6, + self.pg0.local_ip6_prefix_len), is_no=1) opt = ICMPv6NDOptPrefixInfo( @@ -934,8 +921,8 @@ class TestIPv6(TestIPv6ND): # # Remove the second prefix-info - expect no prefix-info in the adverts # - self.pg0.ip6_ra_prefix(self.pg1.local_ip6, - self.pg1.local_ip6_prefix_len, + self.pg0.ip6_ra_prefix('%s/%s' % (self.pg1.local_ip6, + self.pg1.local_ip6_prefix_len), is_no=1) self.pg0.ip6_ra_config(send_unicast=1) @@ -949,6 +936,80 @@ class TestIPv6(TestIPv6ND): self.pg0.ip6_ra_config(no=1, suppress=1, send_unicast=0) +class TestIPv6IfAddrRoute(VppTestCase): + """ IPv6 Interface Addr Route Test Case """ + + @classmethod + def setUpClass(cls): + super(TestIPv6IfAddrRoute, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestIPv6IfAddrRoute, cls).tearDownClass() + + def setUp(self): + super(TestIPv6IfAddrRoute, self).setUp() + + # create 1 pg interface + self.create_pg_interfaces(range(1)) + + for i in self.pg_interfaces: + i.admin_up() + i.config_ip6() + i.resolve_ndp() + + def tearDown(self): + super(TestIPv6IfAddrRoute, self).tearDown() + for i in self.pg_interfaces: + i.unconfig_ip6() + i.admin_down() + + def test_ipv6_ifaddrs_same_prefix(self): + """ IPv6 Interface Addresses Same Prefix test + + Test scenario: + + - Verify no route in FIB for prefix 2001:10::/64 + - Configure IPv4 address 2001:10::10/64 on an interface + - Verify route in FIB for prefix 2001:10::/64 + - Configure IPv4 address 2001:10::20/64 on an interface + - Delete 2001:10::10/64 from interface + - Verify route in FIB for prefix 2001:10::/64 + - Delete 2001:10::20/64 from interface + - Verify no route in FIB for prefix 2001:10::/64 + """ + + addr1 = "2001:10::10" + addr2 = "2001:10::20" + + if_addr1 = VppIpInterfaceAddress(self, self.pg0, + VppIpAddress(addr1), 64) + if_addr2 = VppIpInterfaceAddress(self, self.pg0, + VppIpAddress(addr2), 64) + self.assertFalse(if_addr1.query_vpp_config()) # 2001:10::/64 + self.assertFalse(find_route(self, addr1, 128)) + self.assertFalse(find_route(self, addr2, 128)) + + # configure first address, verify route present + if_addr1.add_vpp_config() + self.assertTrue(if_addr1.query_vpp_config()) # 2001:10::/64 + self.assertTrue(find_route(self, addr1, 128)) + self.assertFalse(find_route(self, addr2, 128)) + + # configure second address, delete first, verify route not removed + if_addr2.add_vpp_config() + if_addr1.remove_vpp_config() + self.assertTrue(if_addr1.query_vpp_config()) # 2001:10::/64 + self.assertFalse(find_route(self, addr1, 128)) + self.assertTrue(find_route(self, addr2, 128)) + + # delete second address, verify route removed + if_addr2.remove_vpp_config() + self.assertFalse(if_addr1.query_vpp_config()) # 2001:10::/64 + self.assertFalse(find_route(self, addr1, 128)) + self.assertFalse(find_route(self, addr2, 128)) + + class TestICMPv6Echo(VppTestCase): """ ICMPv6 Echo Test Case """ @@ -1186,33 +1247,33 @@ class TestIPv6RDControlPlane(TestIPv6ND): def get_default_routes(fib): list = [] for entry in fib: - if entry.address_length == 0: - for path in entry.path: + if entry.route.prefix.prefixlen == 0: + for path in entry.route.paths: if path.sw_if_index != 0xFFFFFFFF: - default_route = {} - default_route['sw_if_index'] = path.sw_if_index - default_route['next_hop'] = path.next_hop - list.append(default_route) + defaut_route = {} + defaut_route['sw_if_index'] = path.sw_if_index + defaut_route['next_hop'] = path.nh.address.ip6 + list.append(defaut_route) return list @staticmethod def get_interface_addresses(fib, pg): list = [] for entry in fib: - if entry.address_length == 128: - path = entry.path[0] + if entry.route.prefix.prefixlen == 128: + path = entry.route.paths[0] if path.sw_if_index == pg.sw_if_index: - list.append(entry.address) + list.append(str(entry.route.prefix.network_address)) return list def test_all(self): """ Test handling of SLAAC addresses and default routes """ - fib = self.vapi.ip6_fib_dump() + fib = self.vapi.ip_route_dump(0, True) default_routes = self.get_default_routes(fib) initial_addresses = set(self.get_interface_addresses(fib, self.pg0)) self.assertEqual(default_routes, []) - router_address = self.pg0.remote_ip6n_ll + router_address = IPv6Address(text_type(self.pg0.remote_ip6_ll)) self.vapi.ip6_nd_address_autoconfig(self.pg0.sw_if_index, 1, 1) @@ -1240,14 +1301,15 @@ class TestIPv6RDControlPlane(TestIPv6ND): self.sleep(0.1) - fib = self.vapi.ip6_fib_dump() + fib = self.vapi.ip_route_dump(0, True) # check FIB for new address addresses = set(self.get_interface_addresses(fib, self.pg0)) new_addresses = addresses.difference(initial_addresses) self.assertEqual(len(new_addresses), 1) - prefix = list(new_addresses)[0][:8] + '\0\0\0\0\0\0\0\0' - self.assertEqual(inet_ntop(AF_INET6, prefix), '1::') + prefix = IPv6Network(text_type("%s/%d" % (list(new_addresses)[0], 20)), + strict=False) + self.assertEqual(prefix, IPv6Network(text_type('1::/20'))) # check FIB for new default route default_routes = self.get_default_routes(fib) @@ -1264,7 +1326,7 @@ class TestIPv6RDControlPlane(TestIPv6ND): self.sleep(0.1) # check that default route is deleted - fib = self.vapi.ip6_fib_dump() + fib = self.vapi.ip_route_dump(0, True) default_routes = self.get_default_routes(fib) self.assertEqual(len(default_routes), 0) @@ -1278,7 +1340,7 @@ class TestIPv6RDControlPlane(TestIPv6ND): self.sleep(0.1) # check FIB for new default route - fib = self.vapi.ip6_fib_dump() + fib = self.vapi.ip_route_dump(0, True) default_routes = self.get_default_routes(fib) self.assertEqual(len(default_routes), 1) dr = default_routes[0] @@ -1293,7 +1355,7 @@ class TestIPv6RDControlPlane(TestIPv6ND): self.sleep(0.1) # check that default route still exists - fib = self.vapi.ip6_fib_dump() + fib = self.vapi.ip_route_dump(0, True) default_routes = self.get_default_routes(fib) self.assertEqual(len(default_routes), 1) dr = default_routes[0] @@ -1303,7 +1365,7 @@ class TestIPv6RDControlPlane(TestIPv6ND): self.sleep(1) # check that default route is deleted - fib = self.vapi.ip6_fib_dump() + fib = self.vapi.ip_route_dump(0, True) default_routes = self.get_default_routes(fib) self.assertEqual(len(default_routes), 0) @@ -1312,13 +1374,14 @@ class TestIPv6RDControlPlane(TestIPv6ND): new_addresses = addresses.difference(initial_addresses) self.assertEqual(len(new_addresses), 1) - prefix = list(new_addresses)[0][:8] + '\0\0\0\0\0\0\0\0' - self.assertEqual(inet_ntop(AF_INET6, prefix), '1::') + prefix = IPv6Network(text_type("%s/%d" % (list(new_addresses)[0], 20)), + strict=False) + self.assertEqual(prefix, IPv6Network(text_type('1::/20'))) self.sleep(1) # check that SLAAC address is deleted - fib = self.vapi.ip6_fib_dump() + fib = self.vapi.ip_route_dump(0, True) addresses = set(self.get_interface_addresses(fib, self.pg0)) new_addresses = addresses.difference(initial_addresses) self.assertEqual(len(new_addresses), 0) @@ -1561,7 +1624,10 @@ class TestIPNull(VppTestCase): # # A route via IP NULL that will reply with ICMP unreachables # - ip_unreach = VppIpRoute(self, "2001::", 64, [], is_unreach=1, is_ip6=1) + ip_unreach = VppIpRoute( + self, "2001::", 64, + [VppRoutePath("::", 0xffffffff, + type=FibPathType.FIB_PATH_TYPE_ICMP_UNREACH)]) ip_unreach.add_vpp_config() self.pg0.add_stream(p) @@ -1581,8 +1647,10 @@ class TestIPNull(VppTestCase): # # A route via IP NULL that will reply with ICMP prohibited # - ip_prohibit = VppIpRoute(self, "2001::1", 128, [], - is_prohibit=1, is_ip6=1) + ip_prohibit = VppIpRoute( + self, "2001::1", 128, + [VppRoutePath("::", 0xffffffff, + type=FibPathType.FIB_PATH_TYPE_ICMP_PROHIBIT)]) ip_prohibit.add_vpp_config() self.pg0.add_stream(p) @@ -1643,8 +1711,7 @@ class TestIPDisabled(VppTestCase): [VppMRoutePath(self.pg1.sw_if_index, MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT), VppMRoutePath(self.pg0.sw_if_index, - MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)], - is_ip6=1) + MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)]) route_ff_01.add_vpp_config() pu = (Ether(src=self.pg1.remote_mac, @@ -1803,12 +1870,9 @@ class TestIP6LoadBalance(VppTestCase): # route_3000_1 = VppIpRoute(self, "3000::1", 128, [VppRoutePath(self.pg1.remote_ip6, - self.pg1.sw_if_index, - proto=DpoProto.DPO_PROTO_IP6), + self.pg1.sw_if_index), VppRoutePath(self.pg2.remote_ip6, - self.pg2.sw_if_index, - proto=DpoProto.DPO_PROTO_IP6)], - is_ip6=1) + self.pg2.sw_if_index)]) route_3000_1.add_vpp_config() # @@ -1823,12 +1887,10 @@ class TestIP6LoadBalance(VppTestCase): route_67 = VppMplsRoute(self, 67, 0, [VppRoutePath(self.pg1.remote_ip6, self.pg1.sw_if_index, - labels=[67], - proto=DpoProto.DPO_PROTO_IP6), + labels=[67]), VppRoutePath(self.pg2.remote_ip6, self.pg2.sw_if_index, - labels=[67], - proto=DpoProto.DPO_PROTO_IP6)]) + labels=[67])]) route_67.add_vpp_config() # @@ -1902,22 +1964,16 @@ class TestIP6LoadBalance(VppTestCase): route_3000_2 = VppIpRoute(self, "3000::2", 128, [VppRoutePath(self.pg3.remote_ip6, - self.pg3.sw_if_index, - proto=DpoProto.DPO_PROTO_IP6), + self.pg3.sw_if_index), VppRoutePath(self.pg4.remote_ip6, - self.pg4.sw_if_index, - proto=DpoProto.DPO_PROTO_IP6)], - is_ip6=1) + self.pg4.sw_if_index)]) route_3000_2.add_vpp_config() route_4000_1 = VppIpRoute(self, "4000::1", 128, [VppRoutePath("3000::1", - 0xffffffff, - proto=DpoProto.DPO_PROTO_IP6), + 0xffffffff), VppRoutePath("3000::2", - 0xffffffff, - proto=DpoProto.DPO_PROTO_IP6)], - is_ip6=1) + 0xffffffff)]) route_4000_1.add_vpp_config() # @@ -1948,16 +2004,12 @@ class TestIP6LoadBalance(VppTestCase): route_5000_2 = VppIpRoute(self, "5000::2", 128, [VppRoutePath(self.pg3.remote_ip6, - self.pg3.sw_if_index, - proto=DpoProto.DPO_PROTO_IP6)], - is_ip6=1) + self.pg3.sw_if_index)]) route_5000_2.add_vpp_config() route_6000_1 = VppIpRoute(self, "6000::1", 128, [VppRoutePath("5000::2", - 0xffffffff, - proto=DpoProto.DPO_PROTO_IP6)], - is_ip6=1) + 0xffffffff)]) route_6000_1.add_vpp_config() # @@ -2150,16 +2202,14 @@ class TestIPDeag(VppTestCase): route_to_dst = VppIpRoute(self, "1::1", 128, [VppRoutePath("::", 0xffffffff, - nh_table_id=1, - proto=DpoProto.DPO_PROTO_IP6)], - is_ip6=1) - route_to_src = VppIpRoute(self, "1::2", 128, - [VppRoutePath("::", - 0xffffffff, - nh_table_id=2, - is_source_lookup=1, - proto=DpoProto.DPO_PROTO_IP6)], - is_ip6=1) + nh_table_id=1)]) + route_to_src = VppIpRoute( + self, "1::2", 128, + [VppRoutePath("::", + 0xffffffff, + nh_table_id=2, + type=FibPathType.FIB_PATH_TYPE_SOURCE_LOOKUP)]) + route_to_dst.add_vpp_config() route_to_src.add_vpp_config() @@ -2190,9 +2240,7 @@ class TestIPDeag(VppTestCase): # route_in_dst = VppIpRoute(self, "1::1", 128, [VppRoutePath(self.pg1.remote_ip6, - self.pg1.sw_if_index, - proto=DpoProto.DPO_PROTO_IP6)], - is_ip6=1, + self.pg1.sw_if_index)], table_id=1) route_in_dst.add_vpp_config() @@ -2203,9 +2251,7 @@ class TestIPDeag(VppTestCase): # route_in_src = VppIpRoute(self, "2::2", 128, [VppRoutePath(self.pg2.remote_ip6, - self.pg2.sw_if_index, - proto=DpoProto.DPO_PROTO_IP6)], - is_ip6=1, + self.pg2.sw_if_index)], table_id=2) route_in_src.add_vpp_config() self.send_and_expect(self.pg0, pkts_src, self.pg2) @@ -2215,9 +2261,7 @@ class TestIPDeag(VppTestCase): # route_loop = VppIpRoute(self, "3::3", 128, [VppRoutePath("::", - 0xffffffff, - proto=DpoProto.DPO_PROTO_IP6)], - is_ip6=1) + 0xffffffff)]) route_loop.add_vpp_config() p_l = (Ether(src=self.pg0.remote_mac, @@ -2313,6 +2357,19 @@ class TestIP6Input(VppTestCase): remark=msg or "", timeout=timeout) + def test_hop_by_hop(self): + """ Hop-by-hop header test """ + + p = (Ether(src=self.pg0.remote_mac, + dst=self.pg0.local_mac) / + IPv6(src=self.pg0.remote_ip6, dst=self.pg0.local_ip6) / + IPv6ExtHdrHopByHop() / + inet6.UDP(sport=1234, dport=1234) / + Raw('\xa5' * 100)) + + self.pg0.add_stream(p) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() if __name__ == '__main__': unittest.main(testRunner=VppTestRunner)