X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_ip4.py;h=2f130f59a4a26938018dc6336c679bfca9a9f62a;hb=7b8b4652693a87233c9aea313959a9cede3df0f4;hp=e9ec71a2830e9fbfb1d9d5e79ccfe1153d0d8544;hpb=59a829533c1345945dc1b6decc3afe29494e85cd;p=vpp.git diff --git a/test/test_ip4.py b/test/test_ip4.py index e9ec71a2830..2f130f59a4a 100644 --- a/test/test_ip4.py +++ b/test/test_ip4.py @@ -1,23 +1,55 @@ -#!/usr/bin/env python +#!/usr/bin/env python3 +import binascii import random import socket import unittest +import scapy.compat +from scapy.contrib.mpls import MPLS +from scapy.contrib.gtp import GTP_U_Header +from scapy.layers.inet import IP, UDP, TCP, ICMP, icmptypes, icmpcodes +from scapy.layers.inet6 import IPv6 +from scapy.layers.l2 import Ether, Dot1Q, ARP +from scapy.packet import Raw +from six import moves + +from framework import tag_fixme_vpp_workers from framework import VppTestCase, VppTestRunner +from util import ppp +from vpp_ip_route import ( + VppIpRoute, + VppRoutePath, + VppIpMRoute, + VppMRoutePath, + VppMplsIpBind, + VppMplsTable, + VppIpTable, + FibPathType, + find_route, + VppIpInterfaceAddress, + find_route_in_dump, + find_mroute_in_dump, +) +from vpp_ip import VppIpPuntPolicer, VppIpPuntRedirect, VppIpPathMtu from vpp_sub_interface import VppSubInterface, VppDot1QSubint, VppDot1ADSubint -from vpp_ip_route import VppIpRoute, VppRoutePath, VppIpMRoute, \ - VppMRoutePath, MRouteItfFlags, MRouteEntryFlags, VppMplsIpBind, \ - VppMplsTable, VppIpTable +from vpp_papi import vpp_papi, VppEnum +from vpp_neighbor import VppNeighbor +from vpp_lo_interface import VppLoInterface +from vpp_policer import VppPolicer, PolicerAction -from scapy.packet import Raw -from scapy.layers.l2 import Ether, Dot1Q, ARP -from scapy.layers.inet import IP, UDP, TCP, ICMP, icmptypes, icmpcodes -from util import ppp -from scapy.contrib.mpls import MPLS +NUM_PKTS = 67 class TestIPv4(VppTestCase): - """ IPv4 Test Case """ + """IPv4 Test Case""" + + @classmethod + def setUpClass(cls): + super(TestIPv4, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestIPv4, cls).tearDownClass() def setUp(self): """ @@ -45,7 +77,8 @@ class TestIPv4(VppTestCase): # create 2 subinterfaces for pg1 and pg2 self.sub_interfaces = [ VppDot1QSubint(self, self.pg1, 100), - VppDot1ADSubint(self, self.pg2, 200, 300, 400)] + VppDot1ADSubint(self, self.pg2, 200, 300, 400), + ] # packet flows mapping pg0 -> pg1.sub, pg2.sub, etc. self.flows = dict() @@ -66,40 +99,14 @@ class TestIPv4(VppTestCase): i.resolve_arp() # config 2M FIB entries - self.config_fib_entries(200) def tearDown(self): """Run standard test teardown and log ``show ip arp``.""" super(TestIPv4, self).tearDown() - if not self.vpp_dead: - self.logger.info(self.vapi.cli("show ip arp")) - # info(self.vapi.cli("show ip fib")) # many entries - def config_fib_entries(self, count): - """For each interface add to the FIB table *count* routes to - "10.0.0.1/32" 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 = socket.inet_pton(socket.AF_INET, "10.0.0.1") - dest_addr_len = 32 - for i in self.interfaces: - next_hop_address = i.local_ip4n - for j in range(count / n_int): - self.vapi.ip_add_del_route( - dest_addr, dest_addr_len, next_hop_address) - counter += 1 - if counter / count * 100 > percent: - self.logger.info("Configure %d FIB entries .. %d%% done" % - (count, percent)) - percent += 1 + def show_commands_at_teardown(self): + self.logger.info(self.vapi.cli("show ip4 neighbors")) + # info(self.vapi.cli("show ip fib")) # many entries def modify_packet(self, src_if, packet_size, pkt): """Add load, set destination IP and extend packet to required packet @@ -109,11 +116,11 @@ class TestIPv4(VppTestCase): :param int packet_size: Required packet size. :param Scapy pkt: Packet to be modified. """ - dst_if_idx = packet_size / 10 % 2 + dst_if_idx = int(packet_size / 10 % 2) dst_if = self.flows[src_if][dst_if_idx] info = self.create_packet_info(src_if, dst_if) payload = self.info_to_payload(info) - p = pkt/Raw(payload) + p = pkt / Raw(payload) p[IP].dst = dst_if.remote_ip4 info.data = p.copy() if isinstance(src_if, VppSubInterface): @@ -128,16 +135,26 @@ class TestIPv4(VppTestCase): :param VppInterface src_if: Interface to create packet stream for. """ hdr_ext = 4 if isinstance(src_if, VppSubInterface) else 0 - pkt_tmpl = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) / - IP(src=src_if.remote_ip4) / - UDP(sport=1234, dport=1234)) - - pkts = [self.modify_packet(src_if, i, pkt_tmpl) - for i in xrange(self.pg_if_packet_sizes[0], - self.pg_if_packet_sizes[1], 10)] - pkts_b = [self.modify_packet(src_if, i, pkt_tmpl) - for i in xrange(self.pg_if_packet_sizes[1] + hdr_ext, - self.pg_if_packet_sizes[2] + hdr_ext, 50)] + pkt_tmpl = ( + Ether(dst=src_if.local_mac, src=src_if.remote_mac) + / IP(src=src_if.remote_ip4) + / UDP(sport=1234, dport=1234) + ) + + pkts = [ + self.modify_packet(src_if, i, pkt_tmpl) + for i in moves.range( + self.pg_if_packet_sizes[0], self.pg_if_packet_sizes[1], 10 + ) + ] + pkts_b = [ + self.modify_packet(src_if, i, pkt_tmpl) + for i in moves.range( + self.pg_if_packet_sizes[1] + hdr_ext, + self.pg_if_packet_sizes[2] + hdr_ext, + 50, + ) + ] pkts.extend(pkts_b) return pkts @@ -155,7 +172,7 @@ class TestIPv4(VppTestCase): last_info[i.sw_if_index] = None is_sub_if = False dst_sw_if_index = dst_if.sw_if_index - if hasattr(dst_if, 'parent'): + if hasattr(dst_if, "parent"): is_sub_if = True for packet in capture: if is_sub_if: @@ -165,15 +182,16 @@ class TestIPv4(VppTestCase): try: ip = packet[IP] udp = packet[UDP] - payload_info = self.payload_to_info(str(packet[Raw])) + payload_info = self.payload_to_info(packet[Raw]) packet_index = payload_info.index self.assertEqual(payload_info.dst, dst_sw_if_index) self.logger.debug( - "Got packet on port %s: src=%u (id=%u)" % - (dst_if.name, payload_info.src, packet_index)) + "Got packet on port %s: src=%u (id=%u)" + % (dst_if.name, payload_info.src, packet_index) + ) next_info = self.get_next_packet_info_for_interface2( - payload_info.src, dst_sw_if_index, - last_info[payload_info.src]) + payload_info.src, dst_sw_if_index, last_info[payload_info.src] + ) last_info[payload_info.src] = next_info self.assertTrue(next_info is not None) self.assertEqual(packet_index, next_info.index) @@ -188,13 +206,16 @@ class TestIPv4(VppTestCase): raise for i in self.interfaces: remaining_packet = self.get_next_packet_info_for_interface2( - i.sw_if_index, dst_sw_if_index, last_info[i.sw_if_index]) - self.assertTrue(remaining_packet is None, - "Interface %s: Packet expected from interface %s " - "didn't arrive" % (dst_if.name, i.name)) + i.sw_if_index, dst_sw_if_index, last_info[i.sw_if_index] + ) + self.assertTrue( + remaining_packet is None, + "Interface %s: Packet expected from interface %s " + "didn't arrive" % (dst_if.name, i.name), + ) def test_fib(self): - """ IPv4 FIB test + """IPv4 FIB test Test scenario: @@ -221,8 +242,235 @@ class TestIPv4(VppTestCase): self.verify_capture(i, pkts) +class TestIPv4RouteLookup(VppTestCase): + """IPv4 Route Lookup Test Case""" + + routes = [] + + def route_lookup(self, prefix, exact): + return self.vapi.api( + self.vapi.papi.ip_route_lookup, + { + "table_id": 0, + "exact": exact, + "prefix": prefix, + }, + ) + + @classmethod + def setUpClass(cls): + super(TestIPv4RouteLookup, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestIPv4RouteLookup, cls).tearDownClass() + + def setUp(self): + super(TestIPv4RouteLookup, self).setUp() + + drop_nh = VppRoutePath( + "127.0.0.1", 0xFFFFFFFF, type=FibPathType.FIB_PATH_TYPE_DROP + ) + + # Add 3 routes + r = VppIpRoute(self, "1.1.0.0", 16, [drop_nh]) + r.add_vpp_config() + self.routes.append(r) + + r = VppIpRoute(self, "1.1.1.0", 24, [drop_nh]) + r.add_vpp_config() + self.routes.append(r) + + r = VppIpRoute(self, "1.1.1.1", 32, [drop_nh]) + r.add_vpp_config() + self.routes.append(r) + + def tearDown(self): + # Remove the routes we added + for r in self.routes: + r.remove_vpp_config() + + super(TestIPv4RouteLookup, self).tearDown() + + def test_exact_match(self): + # Verify we find the host route + prefix = "1.1.1.1/32" + result = self.route_lookup(prefix, True) + assert prefix == str(result.route.prefix) + + # Verify we find a middle prefix route + prefix = "1.1.1.0/24" + result = self.route_lookup(prefix, True) + assert prefix == str(result.route.prefix) + + # Verify we do not find an available LPM. + with self.vapi.assert_negative_api_retval(): + self.route_lookup("1.1.1.2/32", True) + + def test_longest_prefix_match(self): + # verify we find lpm + lpm_prefix = "1.1.1.0/24" + result = self.route_lookup("1.1.1.2/32", False) + assert lpm_prefix == str(result.route.prefix) + + # Verify we find the exact when not requested + result = self.route_lookup(lpm_prefix, False) + assert lpm_prefix == str(result.route.prefix) + + # Can't seem to delete the default route so no negative LPM test. + + +class TestIPv4IfAddrRoute(VppTestCase): + """IPv4 Interface Addr Route Test Case""" + + @classmethod + def setUpClass(cls): + super(TestIPv4IfAddrRoute, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestIPv4IfAddrRoute, cls).tearDownClass() + + def setUp(self): + super(TestIPv4IfAddrRoute, self).setUp() + + # create 1 pg interface + self.create_pg_interfaces(range(1)) + + for i in self.pg_interfaces: + i.admin_up() + i.config_ip4() + i.resolve_arp() + + def tearDown(self): + super(TestIPv4IfAddrRoute, self).tearDown() + for i in self.pg_interfaces: + i.unconfig_ip4() + i.admin_down() + + def test_ipv4_ifaddrs_same_prefix(self): + """IPv4 Interface Addresses Same Prefix test + + Test scenario: + + - Verify no route in FIB for prefix 10.10.10.0/24 + - Configure IPv4 address 10.10.10.10/24 on an interface + - Verify route in FIB for prefix 10.10.10.0/24 + - Configure IPv4 address 10.10.10.20/24 on an interface + - Delete 10.10.10.10/24 from interface + - Verify route in FIB for prefix 10.10.10.0/24 + - Delete 10.10.10.20/24 from interface + - Verify no route in FIB for prefix 10.10.10.0/24 + """ + + # create two addresses, verify route not present + if_addr1 = VppIpInterfaceAddress(self, self.pg0, "10.10.10.10", 24) + if_addr2 = VppIpInterfaceAddress(self, self.pg0, "10.10.10.20", 24) + self.assertFalse(if_addr1.query_vpp_config()) # 10.10.10.10/24 + self.assertFalse(find_route(self, "10.10.10.10", 32)) + self.assertFalse(find_route(self, "10.10.10.20", 32)) + self.assertFalse(find_route(self, "10.10.10.255", 32)) + self.assertFalse(find_route(self, "10.10.10.0", 32)) + + # configure first address, verify route present + if_addr1.add_vpp_config() + self.assertTrue(if_addr1.query_vpp_config()) # 10.10.10.10/24 + self.assertTrue(find_route(self, "10.10.10.10", 32)) + self.assertFalse(find_route(self, "10.10.10.20", 32)) + self.assertTrue(find_route(self, "10.10.10.255", 32)) + self.assertTrue(find_route(self, "10.10.10.0", 32)) + + # configure second address, delete first, verify route not removed + if_addr2.add_vpp_config() + if_addr1.remove_vpp_config() + self.assertFalse(if_addr1.query_vpp_config()) # 10.10.10.10/24 + self.assertTrue(if_addr2.query_vpp_config()) # 10.10.10.20/24 + self.assertFalse(find_route(self, "10.10.10.10", 32)) + self.assertTrue(find_route(self, "10.10.10.20", 32)) + self.assertTrue(find_route(self, "10.10.10.255", 32)) + self.assertTrue(find_route(self, "10.10.10.0", 32)) + + # delete second address, verify route removed + if_addr2.remove_vpp_config() + self.assertFalse(if_addr2.query_vpp_config()) # 10.10.10.20/24 + self.assertFalse(find_route(self, "10.10.10.10", 32)) + self.assertFalse(find_route(self, "10.10.10.20", 32)) + self.assertFalse(find_route(self, "10.10.10.255", 32)) + self.assertFalse(find_route(self, "10.10.10.0", 32)) + + def test_ipv4_ifaddr_route(self): + """IPv4 Interface Address Route test + + Test scenario: + + - Create loopback + - Configure IPv4 address on loopback + - Verify that address is not in the FIB + - Bring loopback up + - Verify that address is in the FIB now + - Bring loopback down + - Verify that address is not in the FIB anymore + - Bring loopback up + - Configure IPv4 address on loopback + - Verify that address is in the FIB now + """ + + # create a loopback and configure IPv4 + loopbacks = self.create_loopback_interfaces(1) + lo_if = self.lo_interfaces[0] + + lo_if.local_ip4_prefix_len = 32 + lo_if.config_ip4() + + # The intf was down when addr was added -> entry not in FIB + fib4_dump = self.vapi.ip_route_dump(0) + self.assertFalse(lo_if.is_ip4_entry_in_fib_dump(fib4_dump)) + + # When intf is brought up, entry is added + lo_if.admin_up() + fib4_dump = self.vapi.ip_route_dump(0) + self.assertTrue(lo_if.is_ip4_entry_in_fib_dump(fib4_dump)) + + # When intf is brought down, entry is removed + lo_if.admin_down() + fib4_dump = self.vapi.ip_route_dump(0) + self.assertFalse(lo_if.is_ip4_entry_in_fib_dump(fib4_dump)) + + # Remove addr, bring up interface, re-add -> entry in FIB + lo_if.unconfig_ip4() + lo_if.admin_up() + lo_if.config_ip4() + fib4_dump = self.vapi.ip_route_dump(0) + self.assertTrue(lo_if.is_ip4_entry_in_fib_dump(fib4_dump)) + + def test_ipv4_ifaddr_del(self): + """Delete an interface address that does not exist""" + + loopbacks = self.create_loopback_interfaces(1) + lo = self.lo_interfaces[0] + + lo.config_ip4() + lo.admin_up() + + # + # try and remove pg0's subnet from lo + # + with self.vapi.assert_negative_api_retval(): + self.vapi.sw_interface_add_del_address( + sw_if_index=lo.sw_if_index, prefix=self.pg0.local_ip4_prefix, is_add=0 + ) + + class TestICMPEcho(VppTestCase): - """ ICMP Echo Test Case """ + """ICMP Echo Test Case""" + + @classmethod + def setUpClass(cls): + super(TestICMPEcho, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestICMPEcho, cls).tearDownClass() def setUp(self): super(TestICMPEcho, self).setUp() @@ -242,7 +490,7 @@ class TestICMPEcho(VppTestCase): i.admin_down() def test_icmp_echo(self): - """ VPP replies to ICMP Echo Request + """VPP replies to ICMP Echo Request Test scenario: @@ -250,14 +498,15 @@ class TestICMPEcho(VppTestCase): - Check outgoing ICMP Echo Reply message on pg0 interface. """ - icmp_id = 0xb + icmp_id = 0xB icmp_seq = 5 - icmp_load = '\x0a' * 18 - p_echo_request = (Ether(src=self.pg0.remote_mac, - dst=self.pg0.local_mac) / - IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) / - ICMP(id=icmp_id, seq=icmp_seq) / - Raw(load=icmp_load)) + icmp_load = b"\x0a" * 18 + p_echo_request = ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) + / ICMP(id=icmp_id, seq=icmp_seq) + / Raw(load=icmp_load) + ) self.pg0.add_stream(p_echo_request) self.pg_enable_capture(self.pg_interfaces) @@ -282,7 +531,7 @@ class TestICMPEcho(VppTestCase): class TestIPv4FibCrud(VppTestCase): - """ FIB - add/update/delete - ip4 routes + """FIB - add/update/delete - ip4 routes Test scenario: - add 1k, @@ -293,7 +542,7 @@ class TestIPv4FibCrud(VppTestCase): ..note:: Python API is too slow to add many routes, needs replacement. """ - def config_fib_many_to_one(self, start_dest_addr, next_hop_addr, count): + def config_fib_many_to_one(self, start_dest_addr, next_hop_addr, count, start=0): """ :param start_dest_addr: @@ -301,47 +550,44 @@ class TestIPv4FibCrud(VppTestCase): :param count: :return list: added ips with 32 prefix """ - added_ips = [] - dest_addr = int(socket.inet_pton(socket.AF_INET, - start_dest_addr).encode('hex'), - 16) - dest_addr_len = 32 - n_next_hop_addr = socket.inet_pton(socket.AF_INET, next_hop_addr) - for _ in range(count): - n_dest_addr = '{:08x}'.format(dest_addr).decode('hex') - self.vapi.ip_add_del_route(n_dest_addr, dest_addr_len, - n_next_hop_addr) - added_ips.append(socket.inet_ntoa(n_dest_addr)) - dest_addr += 1 - return added_ips - - def unconfig_fib_many_to_one(self, start_dest_addr, next_hop_addr, count): - - removed_ips = [] - dest_addr = int(socket.inet_pton(socket.AF_INET, - start_dest_addr).encode('hex'), - 16) - dest_addr_len = 32 - n_next_hop_addr = socket.inet_pton(socket.AF_INET, next_hop_addr) - for _ in range(count): - n_dest_addr = '{:08x}'.format(dest_addr).decode('hex') - self.vapi.ip_add_del_route(n_dest_addr, dest_addr_len, - n_next_hop_addr, is_add=0) - removed_ips.append(socket.inet_ntoa(n_dest_addr)) - dest_addr += 1 - return removed_ips - - def create_stream(self, src_if, dst_if, dst_ips, count): + routes = [] + for i in range(count): + r = VppIpRoute( + self, + start_dest_addr % (i + start), + 32, + [VppRoutePath(next_hop_addr, 0xFFFFFFFF)], + ) + r.add_vpp_config() + routes.append(r) + return routes + + def unconfig_fib_many_to_one(self, start_dest_addr, next_hop_addr, count, start=0): + routes = [] + for i in range(count): + r = VppIpRoute( + self, + start_dest_addr % (i + start), + 32, + [VppRoutePath(next_hop_addr, 0xFFFFFFFF)], + ) + r.remove_vpp_config() + routes.append(r) + return routes + + def create_stream(self, src_if, dst_if, routes, count): pkts = [] for _ in range(count): - dst_addr = random.choice(dst_ips) + dst_addr = random.choice(routes).prefix.network_address info = self.create_packet_info(src_if, dst_if) payload = self.info_to_payload(info) - p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) / - IP(src=src_if.remote_ip4, dst=dst_addr) / - UDP(sport=1234, dport=1234) / - Raw(payload)) + p = ( + Ether(dst=src_if.local_mac, src=src_if.remote_mac) + / IP(src=src_if.remote_ip4, dst=str(dst_addr)) + / UDP(sport=1234, dport=1234) + / Raw(payload) + ) info.data = p.copy() self.extend_packet(p, random.choice(self.pg_if_packet_sizes)) pkts.append(p) @@ -350,8 +596,7 @@ class TestIPv4FibCrud(VppTestCase): def _find_ip_match(self, find_in, pkt): for p in find_in: - if self.payload_to_info(str(p[Raw])) == \ - self.payload_to_info(str(pkt[Raw])): + if self.payload_to_info(p[Raw]) == self.payload_to_info(pkt[Raw]): if p[IP].src != pkt[IP].src: break if p[IP].dst != pkt[IP].dst: @@ -363,18 +608,6 @@ class TestIPv4FibCrud(VppTestCase): return p return None - @staticmethod - def _match_route_detail(route_detail, ip, address_length=32, table_id=0): - if route_detail.address == socket.inet_pton(socket.AF_INET, ip): - if route_detail.table_id != table_id: - return False - elif route_detail.address_length != address_length: - return False - else: - return True - else: - return False - def verify_capture(self, dst_interface, received_pkts, expected_pkts): self.assertEqual(len(received_pkts), len(expected_pkts)) to_verify = list(expected_pkts) @@ -385,27 +618,17 @@ class TestIPv4FibCrud(VppTestCase): to_verify.remove(x) self.assertListEqual(to_verify, []) - def verify_route_dump(self, fib_dump, ips): - - def _ip_in_route_dump(ip, fib_dump): - return next((route for route in fib_dump - if self._match_route_detail(route, ip)), - False) - - for ip in ips: - self.assertTrue(_ip_in_route_dump(ip, fib_dump), - 'IP {} is not in fib dump.'.format(ip)) - - def verify_not_in_route_dump(self, fib_dump, ips): + def verify_route_dump(self, routes): + for r in routes: + self.assertTrue( + find_route(self, r.prefix.network_address, r.prefix.prefixlen) + ) - def _ip_in_route_dump(ip, fib_dump): - return next((route for route in fib_dump - if self._match_route_detail(route, ip)), - False) - - for ip in ips: - self.assertFalse(_ip_in_route_dump(ip, fib_dump), - 'IP {} is in fib dump.'.format(ip)) + def verify_not_in_route_dump(self, routes): + for r in routes: + self.assertFalse( + find_route(self, r.prefix.network_address, r.prefix.prefixlen) + ) @classmethod def setUpClass(cls): @@ -436,26 +659,33 @@ class TestIPv4FibCrud(VppTestCase): super(TestIPv4FibCrud, cls).tearDownClass() raise + @classmethod + def tearDownClass(cls): + super(TestIPv4FibCrud, cls).tearDownClass() + def setUp(self): super(TestIPv4FibCrud, self).setUp() self.reset_packet_infos() + self.configured_routes = [] + self.deleted_routes = [] + def test_1_add_routes(self): - """ Add 1k routes + """Add 1k routes""" - - add 100 routes check with traffic script. - """ - # config 1M FIB entries - self.configured_routes.extend(self.config_fib_many_to_one( - "10.0.0.0", self.pg0.remote_ip4, 100)) + # add 100 routes check with traffic script. + self.configured_routes.extend( + self.config_fib_many_to_one("10.0.0.%d", self.pg0.remote_ip4, 100) + ) - fib_dump = self.vapi.ip_fib_dump() - self.verify_route_dump(fib_dump, self.configured_routes) + self.verify_route_dump(self.configured_routes) self.stream_1 = self.create_stream( - self.pg1, self.pg0, self.configured_routes, 100) + self.pg1, self.pg0, self.configured_routes, 100 + ) self.stream_2 = self.create_stream( - self.pg2, self.pg0, self.configured_routes, 100) + self.pg2, self.pg0, self.configured_routes, 100 + ) self.pg1.add_stream(self.stream_1) self.pg2.add_stream(self.stream_2) @@ -466,26 +696,32 @@ class TestIPv4FibCrud(VppTestCase): self.verify_capture(self.pg0, pkts, self.stream_1 + self.stream_2) def test_2_del_routes(self): - """ Delete 100 routes + """Delete 100 routes - delete 10 routes check with traffic script. """ - self.deleted_routes.extend(self.unconfig_fib_many_to_one( - "10.0.0.10", self.pg0.remote_ip4, 10)) + # config 1M FIB entries + self.configured_routes.extend( + self.config_fib_many_to_one("10.0.0.%d", self.pg0.remote_ip4, 100) + ) + self.deleted_routes.extend( + self.unconfig_fib_many_to_one( + "10.0.0.%d", self.pg0.remote_ip4, 10, start=10 + ) + ) for x in self.deleted_routes: self.configured_routes.remove(x) - fib_dump = self.vapi.ip_fib_dump() - self.verify_route_dump(fib_dump, self.configured_routes) + self.verify_route_dump(self.configured_routes) self.stream_1 = self.create_stream( - self.pg1, self.pg0, self.configured_routes, 100) + self.pg1, self.pg0, self.configured_routes, 100 + ) self.stream_2 = self.create_stream( - self.pg2, self.pg0, self.configured_routes, 100) - self.stream_3 = self.create_stream( - self.pg1, self.pg0, self.deleted_routes, 100) - self.stream_4 = self.create_stream( - self.pg2, self.pg0, self.deleted_routes, 100) + self.pg2, self.pg0, self.configured_routes, 100 + ) + self.stream_3 = self.create_stream(self.pg1, self.pg0, self.deleted_routes, 100) + self.stream_4 = self.create_stream(self.pg2, self.pg0, self.deleted_routes, 100) self.pg1.add_stream(self.stream_1 + self.stream_3) self.pg2.add_stream(self.stream_2 + self.stream_4) self.pg_enable_capture(self.pg_interfaces) @@ -495,31 +731,42 @@ class TestIPv4FibCrud(VppTestCase): self.verify_capture(self.pg0, pkts, self.stream_1 + self.stream_2) def test_3_add_new_routes(self): - """ Add 1k routes + """Add 1k routes - re-add 5 routes check with traffic script. - add 100 routes check with traffic script. """ - tmp = self.config_fib_many_to_one( - "10.0.0.10", self.pg0.remote_ip4, 5) + # config 1M FIB entries + self.configured_routes.extend( + self.config_fib_many_to_one("10.0.0.%d", self.pg0.remote_ip4, 100) + ) + self.deleted_routes.extend( + self.unconfig_fib_many_to_one( + "10.0.0.%d", self.pg0.remote_ip4, 10, start=10 + ) + ) + for x in self.deleted_routes: + self.configured_routes.remove(x) + + tmp = self.config_fib_many_to_one("10.0.0.%d", self.pg0.remote_ip4, 5, start=10) self.configured_routes.extend(tmp) for x in tmp: self.deleted_routes.remove(x) - self.configured_routes.extend(self.config_fib_many_to_one( - "10.0.1.0", self.pg0.remote_ip4, 100)) + self.configured_routes.extend( + self.config_fib_many_to_one("10.0.1.%d", self.pg0.remote_ip4, 100) + ) - fib_dump = self.vapi.ip_fib_dump() - self.verify_route_dump(fib_dump, self.configured_routes) + self.verify_route_dump(self.configured_routes) self.stream_1 = self.create_stream( - self.pg1, self.pg0, self.configured_routes, 300) + self.pg1, self.pg0, self.configured_routes, 300 + ) self.stream_2 = self.create_stream( - self.pg2, self.pg0, self.configured_routes, 300) - self.stream_3 = self.create_stream( - self.pg1, self.pg0, self.deleted_routes, 100) - self.stream_4 = self.create_stream( - self.pg2, self.pg0, self.deleted_routes, 100) + self.pg2, self.pg0, self.configured_routes, 300 + ) + self.stream_3 = self.create_stream(self.pg1, self.pg0, self.deleted_routes, 100) + self.stream_4 = self.create_stream(self.pg2, self.pg0, self.deleted_routes, 100) self.pg1.add_stream(self.stream_1 + self.stream_3) self.pg2.add_stream(self.stream_2 + self.stream_4) @@ -529,24 +776,30 @@ class TestIPv4FibCrud(VppTestCase): pkts = self.pg0.get_capture(len(self.stream_1) + len(self.stream_2)) self.verify_capture(self.pg0, pkts, self.stream_1 + self.stream_2) - def test_4_del_routes(self): - """ Delete 1.5k routes - - - delete 5 routes check with traffic script. - - add 100 routes check with traffic script. - """ - self.deleted_routes.extend(self.unconfig_fib_many_to_one( - "10.0.0.0", self.pg0.remote_ip4, 15)) - self.deleted_routes.extend(self.unconfig_fib_many_to_one( - "10.0.0.20", self.pg0.remote_ip4, 85)) - self.deleted_routes.extend(self.unconfig_fib_many_to_one( - "10.0.1.0", self.pg0.remote_ip4, 100)) - fib_dump = self.vapi.ip_fib_dump() - self.verify_not_in_route_dump(fib_dump, self.deleted_routes) + # delete 5 routes check with traffic script. + # add 100 routes check with traffic script. + self.deleted_routes.extend( + self.unconfig_fib_many_to_one("10.0.0.%d", self.pg0.remote_ip4, 15) + ) + self.deleted_routes.extend( + self.unconfig_fib_many_to_one("10.0.0.%d", self.pg0.remote_ip4, 85) + ) + self.deleted_routes.extend( + self.unconfig_fib_many_to_one("10.0.1.%d", self.pg0.remote_ip4, 100) + ) + self.verify_not_in_route_dump(self.deleted_routes) class TestIPNull(VppTestCase): - """ IPv4 routes via NULL """ + """IPv4 routes via NULL""" + + @classmethod + def setUpClass(cls): + super(TestIPNull, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestIPNull, cls).tearDownClass() def setUp(self): super(TestIPNull, self).setUp() @@ -566,20 +819,29 @@ class TestIPNull(VppTestCase): i.admin_down() def test_ip_null(self): - """ IP NULL route """ + """IP NULL route""" # # A route via IP NULL that will reply with ICMP unreachables # - ip_unreach = VppIpRoute(self, "10.0.0.1", 32, [], is_unreach=1) + ip_unreach = VppIpRoute( + self, + "10.0.0.1", + 32, + [ + VppRoutePath( + "0.0.0.0", 0xFFFFFFFF, type=FibPathType.FIB_PATH_TYPE_ICMP_UNREACH + ) + ], + ) ip_unreach.add_vpp_config() - p_unreach = (Ether(src=self.pg0.remote_mac, - dst=self.pg0.local_mac) / - IP(src=self.pg0.remote_ip4, dst="10.0.0.1") / - UDP(sport=1234, dport=1234) / - Raw('\xa5' * 100)) - + p_unreach = ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IP(src=self.pg0.remote_ip4, dst="10.0.0.1") + / UDP(sport=1234, dport=1234) + / Raw(b"\xa5" * 100) + ) self.pg0.add_stream(p_unreach) self.pg_enable_capture(self.pg_interfaces) self.pg_start() @@ -601,14 +863,24 @@ class TestIPNull(VppTestCase): # # A route via IP NULL that will reply with ICMP prohibited # - ip_prohibit = VppIpRoute(self, "10.0.0.2", 32, [], is_prohibit=1) + ip_prohibit = VppIpRoute( + self, + "10.0.0.2", + 32, + [ + VppRoutePath( + "0.0.0.0", 0xFFFFFFFF, type=FibPathType.FIB_PATH_TYPE_ICMP_PROHIBIT + ) + ], + ) ip_prohibit.add_vpp_config() - p_prohibit = (Ether(src=self.pg0.remote_mac, - dst=self.pg0.local_mac) / - IP(src=self.pg0.remote_ip4, dst="10.0.0.2") / - UDP(sport=1234, dport=1234) / - Raw('\xa5' * 100)) + p_prohibit = ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IP(src=self.pg0.remote_ip4, dst="10.0.0.2") + / UDP(sport=1234, dport=1234) + / Raw(b"\xa5" * 100) + ) self.pg0.add_stream(p_prohibit) self.pg_enable_capture(self.pg_interfaces) @@ -625,34 +897,51 @@ class TestIPNull(VppTestCase): self.assertEqual(icmp.dst, "10.0.0.2") def test_ip_drop(self): - """ IP Drop Routes """ + """IP Drop Routes""" - p = (Ether(src=self.pg0.remote_mac, - dst=self.pg0.local_mac) / - IP(src=self.pg0.remote_ip4, dst="1.1.1.1") / - UDP(sport=1234, dport=1234) / - Raw('\xa5' * 100)) + p = ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IP(src=self.pg0.remote_ip4, dst="1.1.1.1") + / UDP(sport=1234, dport=1234) + / Raw(b"\xa5" * 100) + ) - r1 = VppIpRoute(self, "1.1.1.0", 24, - [VppRoutePath(self.pg1.remote_ip4, - self.pg1.sw_if_index)]) + r1 = VppIpRoute( + self, + "1.1.1.0", + 24, + [VppRoutePath(self.pg1.remote_ip4, self.pg1.sw_if_index)], + ) r1.add_vpp_config() - rx = self.send_and_expect(self.pg0, p * 65, self.pg1) + rx = self.send_and_expect(self.pg0, p * NUM_PKTS, self.pg1) # # insert a more specific as a drop # - r2 = VppIpRoute(self, "1.1.1.1", 32, [], is_drop=1) + r2 = VppIpRoute( + self, + "1.1.1.1", + 32, + [VppRoutePath("0.0.0.0", 0xFFFFFFFF, type=FibPathType.FIB_PATH_TYPE_DROP)], + ) r2.add_vpp_config() - self.send_and_assert_no_replies(self.pg0, p * 65, "Drop Route") + self.send_and_assert_no_replies(self.pg0, p * NUM_PKTS, "Drop Route") r2.remove_vpp_config() - rx = self.send_and_expect(self.pg0, p * 65, self.pg1) + rx = self.send_and_expect(self.pg0, p * NUM_PKTS, self.pg1) class TestIPDisabled(VppTestCase): - """ IPv4 disabled """ + """IPv4 disabled""" + + @classmethod + def setUpClass(cls): + super(TestIPDisabled, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestIPDisabled, cls).tearDownClass() def setUp(self): super(TestIPDisabled, self).setUp() @@ -675,7 +964,10 @@ class TestIPDisabled(VppTestCase): i.admin_down() def test_ip_disabled(self): - """ IP Disabled """ + """IP Disabled""" + + MRouteItfFlags = VppEnum.vl_api_mfib_itf_flags_t + MRouteEntryFlags = VppEnum.vl_api_mfib_entry_flags_t # # An (S,G). @@ -684,24 +976,32 @@ class TestIPDisabled(VppTestCase): route_232_1_1_1 = VppIpMRoute( self, "0.0.0.0", - "232.1.1.1", 32, - MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE, - [VppMRoutePath(self.pg1.sw_if_index, - MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT), - VppMRoutePath(self.pg0.sw_if_index, - MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)]) + "232.1.1.1", + 32, + MRouteEntryFlags.MFIB_API_ENTRY_FLAG_NONE, + [ + VppMRoutePath( + self.pg1.sw_if_index, MRouteItfFlags.MFIB_API_ITF_FLAG_ACCEPT + ), + VppMRoutePath( + self.pg0.sw_if_index, MRouteItfFlags.MFIB_API_ITF_FLAG_FORWARD + ), + ], + ) route_232_1_1_1.add_vpp_config() - pu = (Ether(src=self.pg1.remote_mac, - dst=self.pg1.local_mac) / - IP(src="10.10.10.10", dst=self.pg0.remote_ip4) / - UDP(sport=1234, dport=1234) / - Raw('\xa5' * 100)) - pm = (Ether(src=self.pg1.remote_mac, - dst=self.pg1.local_mac) / - IP(src="10.10.10.10", dst="232.1.1.1") / - UDP(sport=1234, dport=1234) / - Raw('\xa5' * 100)) + pu = ( + Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) + / IP(src="10.10.10.10", dst=self.pg0.remote_ip4) + / UDP(sport=1234, dport=1234) + / Raw(b"\xa5" * 100) + ) + pm = ( + Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) + / IP(src="10.10.10.10", dst="232.1.1.1") + / UDP(sport=1234, dport=1234) + / Raw(b"\xa5" * 100) + ) # # PG1 does not forward IP traffic @@ -740,7 +1040,15 @@ class TestIPDisabled(VppTestCase): class TestIPSubNets(VppTestCase): - """ IPv4 Subnets """ + """IPv4 Subnets""" + + @classmethod + def setUpClass(cls): + super(TestIPSubNets, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestIPSubNets, cls).tearDownClass() def setUp(self): super(TestIPSubNets, self).setUp() @@ -748,7 +1056,7 @@ class TestIPSubNets(VppTestCase): # create a 2 pg interfaces self.create_pg_interfaces(range(2)) - # pg0 we will use to experiemnt + # pg0 we will use to experiment self.pg0.admin_up() # pg1 is setup normally @@ -762,22 +1070,26 @@ class TestIPSubNets(VppTestCase): i.admin_down() def test_ip_sub_nets(self): - """ IP Sub Nets """ + """IP Sub Nets""" # # Configure a covering route to forward so we know # when we are dropping # - cover_route = VppIpRoute(self, "10.0.0.0", 8, - [VppRoutePath(self.pg1.remote_ip4, - self.pg1.sw_if_index)]) + cover_route = VppIpRoute( + self, + "10.0.0.0", + 8, + [VppRoutePath(self.pg1.remote_ip4, self.pg1.sw_if_index)], + ) cover_route.add_vpp_config() - p = (Ether(src=self.pg1.remote_mac, - dst=self.pg1.local_mac) / - IP(dst="10.10.10.10", src=self.pg0.local_ip4) / - UDP(sport=1234, dport=1234) / - Raw('\xa5' * 100)) + p = ( + Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) + / IP(dst="10.10.10.10", src=self.pg0.local_ip4) + / UDP(sport=1234, dport=1234) + / Raw(b"\xa5" * 100) + ) self.pg1.add_stream(p) self.pg_enable_capture(self.pg_interfaces) @@ -789,29 +1101,31 @@ class TestIPSubNets(VppTestCase): # ip_addr_n = socket.inet_pton(socket.AF_INET, "10.10.10.10") - self.vapi.sw_interface_add_del_address(self.pg0.sw_if_index, - ip_addr_n, - 16) - - pn = (Ether(src=self.pg1.remote_mac, - dst=self.pg1.local_mac) / - IP(dst="10.10.0.0", src=self.pg0.local_ip4) / - UDP(sport=1234, dport=1234) / - Raw('\xa5' * 100)) - pb = (Ether(src=self.pg1.remote_mac, - dst=self.pg1.local_mac) / - IP(dst="10.10.255.255", src=self.pg0.local_ip4) / - UDP(sport=1234, dport=1234) / - Raw('\xa5' * 100)) + self.vapi.sw_interface_add_del_address( + sw_if_index=self.pg0.sw_if_index, prefix="10.10.10.10/16" + ) + + pn = ( + Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) + / IP(dst="10.10.0.0", src=self.pg0.local_ip4) + / UDP(sport=1234, dport=1234) + / Raw(b"\xa5" * 100) + ) + pb = ( + Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) + / IP(dst="10.10.255.255", src=self.pg0.local_ip4) + / UDP(sport=1234, dport=1234) + / Raw(b"\xa5" * 100) + ) self.send_and_assert_no_replies(self.pg1, pn, "IP Network address") self.send_and_assert_no_replies(self.pg1, pb, "IP Broadcast address") # remove the sub-net and we are forwarding via the cover again - self.vapi.sw_interface_add_del_address(self.pg0.sw_if_index, - ip_addr_n, - 16, - is_add=0) + self.vapi.sw_interface_add_del_address( + sw_if_index=self.pg0.sw_if_index, prefix="10.10.10.10/16", is_add=0 + ) + self.pg1.add_stream(pn) self.pg_enable_capture(self.pg_interfaces) self.pg_start() @@ -827,15 +1141,16 @@ class TestIPSubNets(VppTestCase): # ip_addr_n = socket.inet_pton(socket.AF_INET, "10.10.10.10") - self.vapi.sw_interface_add_del_address(self.pg0.sw_if_index, - ip_addr_n, - 31) + self.vapi.sw_interface_add_del_address( + sw_if_index=self.pg0.sw_if_index, prefix="10.10.10.10/31" + ) - pn = (Ether(src=self.pg1.remote_mac, - dst=self.pg1.local_mac) / - IP(dst="10.10.10.11", src=self.pg0.local_ip4) / - UDP(sport=1234, dport=1234) / - Raw('\xa5' * 100)) + pn = ( + Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) + / IP(dst="10.10.10.11", src=self.pg0.local_ip4) + / UDP(sport=1234, dport=1234) + / Raw(b"\xa5" * 100) + ) self.pg1.add_stream(pn) self.pg_enable_capture(self.pg_interfaces) @@ -844,10 +1159,10 @@ class TestIPSubNets(VppTestCase): rx[ARP] # remove the sub-net and we are forwarding via the cover again - self.vapi.sw_interface_add_del_address(self.pg0.sw_if_index, - ip_addr_n, - 31, - is_add=0) + self.vapi.sw_interface_add_del_address( + sw_if_index=self.pg0.sw_if_index, prefix="10.10.10.10/31", is_add=0 + ) + self.pg1.add_stream(pn) self.pg_enable_capture(self.pg_interfaces) self.pg_start() @@ -855,7 +1170,15 @@ class TestIPSubNets(VppTestCase): class TestIPLoadBalance(VppTestCase): - """ IPv4 Load-Balancing """ + """IPv4 Load-Balancing""" + + @classmethod + def setUpClass(cls): + super(TestIPLoadBalance, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestIPLoadBalance, cls).tearDownClass() def setUp(self): super(TestIPLoadBalance, self).setUp() @@ -877,63 +1200,95 @@ class TestIPLoadBalance(VppTestCase): i.admin_down() super(TestIPLoadBalance, self).tearDown() - def send_and_expect_load_balancing(self, input, pkts, outputs): - input.add_stream(pkts) - self.pg_enable_capture(self.pg_interfaces) - self.pg_start() - for oo in outputs: - rx = oo._get_capture(1) - self.assertNotEqual(0, len(rx)) - - def send_and_expect_one_itf(self, input, pkts, itf): - input.add_stream(pkts) - self.pg_enable_capture(self.pg_interfaces) - self.pg_start() - rx = itf.get_capture(len(pkts)) + def total_len(self, rxs): + n = 0 + for rx in rxs: + n += len(rx) + return n def test_ip_load_balance(self): - """ IP Load-Balancing """ + """IP Load-Balancing""" + + fhc = VppEnum.vl_api_ip_flow_hash_config_t + fhcv2 = VppEnum.vl_api_ip_flow_hash_config_v2_t + af = VppEnum.vl_api_address_family_t # # An array of packets that differ only in the destination port # port_ip_pkts = [] port_mpls_pkts = [] + port_gtp_pkts = [] # # An array of packets that differ only in the source address # src_ip_pkts = [] src_mpls_pkts = [] - - for ii in range(65): - port_ip_hdr = (IP(dst="10.0.0.1", src="20.0.0.1") / - UDP(sport=1234, dport=1234 + ii) / - Raw('\xa5' * 100)) - port_ip_pkts.append((Ether(src=self.pg0.remote_mac, - dst=self.pg0.local_mac) / - port_ip_hdr)) - port_mpls_pkts.append((Ether(src=self.pg0.remote_mac, - dst=self.pg0.local_mac) / - MPLS(label=66, ttl=2) / - port_ip_hdr)) - - src_ip_hdr = (IP(dst="10.0.0.1", src="20.0.0.%d" % ii) / - UDP(sport=1234, dport=1234) / - Raw('\xa5' * 100)) - src_ip_pkts.append((Ether(src=self.pg0.remote_mac, - dst=self.pg0.local_mac) / - src_ip_hdr)) - src_mpls_pkts.append((Ether(src=self.pg0.remote_mac, - dst=self.pg0.local_mac) / - MPLS(label=66, ttl=2) / - src_ip_hdr)) - - route_10_0_0_1 = VppIpRoute(self, "10.0.0.1", 32, - [VppRoutePath(self.pg1.remote_ip4, - self.pg1.sw_if_index), - VppRoutePath(self.pg2.remote_ip4, - self.pg2.sw_if_index)]) + src_gtp_pkts = [] + + for ii in range(NUM_PKTS): + internal_src_ip_hdr = IP(dst="10.0.0.1", src="20.0.0.1") + + port_ip_hdr = ( + internal_src_ip_hdr + / UDP(sport=1234, dport=1234 + ii) + / Raw(b"\xa5" * 100) + ) + port_ip_pkts.append( + (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / port_ip_hdr) + ) + port_mpls_pkts.append( + ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / MPLS(label=66, ttl=2) + / port_ip_hdr + ) + ) + port_gtp_pkts.append( + ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / internal_src_ip_hdr + / UDP(sport=2152, dport=2152, chksum=0) + / GTP_U_Header(gtp_type="g_pdu", teid=200) + / Raw(b"\xa5" * 100) + ) + ) + + src_ip_hdr = ( + IP(dst="10.0.0.1", src="20.0.0.%d" % ii) + / UDP(sport=1234, dport=1234) + / Raw(b"\xa5" * 100) + ) + src_ip_pkts.append( + (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / src_ip_hdr) + ) + src_mpls_pkts.append( + ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / MPLS(label=66, ttl=2) + / src_ip_hdr + ) + ) + src_gtp_pkts.append( + ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IP(dst="10.0.0.1", src="20.0.0.1") + / UDP(sport=2152, dport=2152, chksum=0) + / GTP_U_Header(gtp_type="g_pdu", teid=ii) + / Raw(b"\xa5" * 100) + ) + ) + + route_10_0_0_1 = VppIpRoute( + self, + "10.0.0.1", + 32, + [ + VppRoutePath(self.pg1.remote_ip4, self.pg1.sw_if_index), + VppRoutePath(self.pg2.remote_ip4, self.pg2.sw_if_index), + ], + ) route_10_0_0_1.add_vpp_config() binding = VppMplsIpBind(self, 66, "10.0.0.1", 32) @@ -945,36 +1300,83 @@ class TestIPLoadBalance(VppTestCase): # src,dst # We are not going to ensure equal amounts of packets across each link, # since the hash algorithm is statistical and therefore this can never - # be guaranteed. But wuth 64 different packets we do expect some + # be guaranteed. But with 64 different packets we do expect some # balancing. So instead just ensure there is traffic on each link. # - self.send_and_expect_load_balancing(self.pg0, port_ip_pkts, - [self.pg1, self.pg2]) - self.send_and_expect_load_balancing(self.pg0, src_ip_pkts, - [self.pg1, self.pg2]) - self.send_and_expect_load_balancing(self.pg0, port_mpls_pkts, - [self.pg1, self.pg2]) - self.send_and_expect_load_balancing(self.pg0, src_mpls_pkts, - [self.pg1, self.pg2]) + rx = self.send_and_expect_load_balancing( + self.pg0, port_ip_pkts, [self.pg1, self.pg2] + ) + n_ip_pg0 = len(rx[0]) + self.send_and_expect_load_balancing(self.pg0, src_ip_pkts, [self.pg1, self.pg2]) + self.send_and_expect_load_balancing( + self.pg0, port_mpls_pkts, [self.pg1, self.pg2] + ) + rx = self.send_and_expect_load_balancing( + self.pg0, src_mpls_pkts, [self.pg1, self.pg2] + ) + n_mpls_pg0 = len(rx[0]) + + # + # change the router ID and expect the distribution changes + # + self.vapi.set_ip_flow_hash_router_id(router_id=0x11111111) + + rx = self.send_and_expect_load_balancing( + self.pg0, port_ip_pkts, [self.pg1, self.pg2] + ) + self.assertNotEqual(n_ip_pg0, len(rx[0])) + + rx = self.send_and_expect_load_balancing( + self.pg0, src_mpls_pkts, [self.pg1, self.pg2] + ) + self.assertNotEqual(n_mpls_pg0, len(rx[0])) # # change the flow hash config so it's only IP src,dst # - now only the stream with differing source address will # load-balance # - self.vapi.set_ip_flow_hash(0, src=1, dst=1, sport=0, dport=0) + self.vapi.set_ip_flow_hash_v2( + af=af.ADDRESS_IP4, + table_id=0, + flow_hash_config=( + fhc.IP_API_FLOW_HASH_SRC_IP + | fhc.IP_API_FLOW_HASH_DST_IP + | fhc.IP_API_FLOW_HASH_PROTO + ), + ) - self.send_and_expect_load_balancing(self.pg0, src_ip_pkts, - [self.pg1, self.pg2]) - self.send_and_expect_load_balancing(self.pg0, src_mpls_pkts, - [self.pg1, self.pg2]) + self.send_and_expect_load_balancing(self.pg0, src_ip_pkts, [self.pg1, self.pg2]) + self.send_and_expect_load_balancing( + self.pg0, src_mpls_pkts, [self.pg1, self.pg2] + ) - self.send_and_expect_one_itf(self.pg0, port_ip_pkts, self.pg2) + self.send_and_expect_only(self.pg0, port_ip_pkts, self.pg2) + + # + # this case gtp v1 teid key LB + # + self.vapi.set_ip_flow_hash_v3( + af=af.ADDRESS_IP4, + table_id=0, + flow_hash_config=( + fhcv2.IP_API_V2_FLOW_HASH_SRC_IP + | fhcv2.IP_API_V2_FLOW_HASH_PROTO + | fhcv2.IP_API_V2_FLOW_HASH_GTPV1_TEID + ), + ) + self.logger.info(self.vapi.cli("show ip fib")) + + self.send_and_expect_load_balancing( + self.pg0, src_gtp_pkts, [self.pg1, self.pg2] + ) + + self.send_and_expect_only(self.pg0, port_gtp_pkts, self.pg2) # # change the flow hash config back to defaults # - self.vapi.set_ip_flow_hash(0, src=1, dst=1, sport=1, dport=1) + self.vapi.set_ip_flow_hash(vrf_id=0, src=1, dst=1, proto=1, sport=1, dport=1) # # Recursive prefixes @@ -985,39 +1387,104 @@ class TestIPLoadBalance(VppTestCase): src_pkts = [] for ii in range(257): - port_pkts.append((Ether(src=self.pg0.remote_mac, - dst=self.pg0.local_mac) / - IP(dst="1.1.1.1", src="20.0.0.1") / - UDP(sport=1234, dport=1234 + ii) / - Raw('\xa5' * 100))) - src_pkts.append((Ether(src=self.pg0.remote_mac, - dst=self.pg0.local_mac) / - IP(dst="1.1.1.1", src="20.0.0.%d" % ii) / - UDP(sport=1234, dport=1234) / - Raw('\xa5' * 100))) - - route_10_0_0_2 = VppIpRoute(self, "10.0.0.2", 32, - [VppRoutePath(self.pg3.remote_ip4, - self.pg3.sw_if_index), - VppRoutePath(self.pg4.remote_ip4, - self.pg4.sw_if_index)]) + port_pkts.append( + ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IP(dst="1.1.1.1", src="20.0.0.1") + / UDP(sport=1234, dport=1234 + ii) + / Raw(b"\xa5" * 100) + ) + ) + src_pkts.append( + ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IP(dst="1.1.1.1", src="20.0.0.%d" % ii) + / UDP(sport=1234, dport=1234) + / Raw(b"\xa5" * 100) + ) + ) + + route_10_0_0_2 = VppIpRoute( + self, + "10.0.0.2", + 32, + [ + VppRoutePath(self.pg3.remote_ip4, self.pg3.sw_if_index), + VppRoutePath(self.pg4.remote_ip4, self.pg4.sw_if_index), + ], + ) route_10_0_0_2.add_vpp_config() - route_1_1_1_1 = VppIpRoute(self, "1.1.1.1", 32, - [VppRoutePath("10.0.0.2", 0xffffffff), - VppRoutePath("10.0.0.1", 0xffffffff)]) + route_1_1_1_1 = VppIpRoute( + self, + "1.1.1.1", + 32, + [ + VppRoutePath("10.0.0.2", 0xFFFFFFFF), + VppRoutePath("10.0.0.1", 0xFFFFFFFF), + ], + ) route_1_1_1_1.add_vpp_config() # # inject the packet on pg0 - expect load-balancing across all 4 paths # self.vapi.cli("clear trace") - self.send_and_expect_load_balancing(self.pg0, port_pkts, - [self.pg1, self.pg2, - self.pg3, self.pg4]) - self.send_and_expect_load_balancing(self.pg0, src_pkts, - [self.pg1, self.pg2, - self.pg3, self.pg4]) + self.send_and_expect_load_balancing( + self.pg0, port_pkts, [self.pg1, self.pg2, self.pg3, self.pg4] + ) + self.send_and_expect_load_balancing( + self.pg0, src_pkts, [self.pg1, self.pg2, self.pg3, self.pg4] + ) + + # + # bring down pg1 expect LB to adjust to use only those that are up + # + self.pg1.link_down() + + rx = self.send_and_expect_load_balancing( + self.pg0, src_pkts, [self.pg2, self.pg3, self.pg4] + ) + self.assertEqual(len(src_pkts), self.total_len(rx)) + + # + # bring down pg2 expect LB to adjust to use only those that are up + # + self.pg2.link_down() + + rx = self.send_and_expect_load_balancing( + self.pg0, src_pkts, [self.pg3, self.pg4] + ) + self.assertEqual(len(src_pkts), self.total_len(rx)) + + # + # bring the links back up - expect LB over all again + # + self.pg1.link_up() + self.pg2.link_up() + + rx = self.send_and_expect_load_balancing( + self.pg0, src_pkts, [self.pg1, self.pg2, self.pg3, self.pg4] + ) + self.assertEqual(len(src_pkts), self.total_len(rx)) + + # + # The same link-up/down but this time admin state + # + self.pg1.admin_down() + self.pg2.admin_down() + rx = self.send_and_expect_load_balancing( + self.pg0, src_pkts, [self.pg3, self.pg4] + ) + self.assertEqual(len(src_pkts), self.total_len(rx)) + self.pg1.admin_up() + self.pg2.admin_up() + self.pg1.resolve_arp() + self.pg2.resolve_arp() + rx = self.send_and_expect_load_balancing( + self.pg0, src_pkts, [self.pg1, self.pg2, self.pg3, self.pg4] + ) + self.assertEqual(len(src_pkts), self.total_len(rx)) # # Recursive prefixes @@ -1026,30 +1493,81 @@ class TestIPLoadBalance(VppTestCase): port_pkts = [] for ii in range(257): - port_pkts.append((Ether(src=self.pg0.remote_mac, - dst=self.pg0.local_mac) / - IP(dst="1.1.1.2", src="20.0.0.2") / - UDP(sport=1234, dport=1234 + ii) / - Raw('\xa5' * 100))) - - route_10_0_0_3 = VppIpRoute(self, "10.0.0.3", 32, - [VppRoutePath(self.pg3.remote_ip4, - self.pg3.sw_if_index)]) + port_pkts.append( + ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IP(dst="1.1.1.2", src="20.0.0.2") + / UDP(sport=1234, dport=1234 + ii) + / Raw(b"\xa5" * 100) + ) + ) + + route_10_0_0_3 = VppIpRoute( + self, + "10.0.0.3", + 32, + [VppRoutePath(self.pg3.remote_ip4, self.pg3.sw_if_index)], + ) route_10_0_0_3.add_vpp_config() - route_1_1_1_2 = VppIpRoute(self, "1.1.1.2", 32, - [VppRoutePath("10.0.0.3", 0xffffffff)]) + route_1_1_1_2 = VppIpRoute( + self, "1.1.1.2", 32, [VppRoutePath("10.0.0.3", 0xFFFFFFFF)] + ) route_1_1_1_2.add_vpp_config() # - # inject the packet on pg0 - expect load-balancing across all 4 paths + # inject the packet on pg0 - rx only on via routes output interface # self.vapi.cli("clear trace") - self.send_and_expect_one_itf(self.pg0, port_pkts, self.pg3) + self.send_and_expect_only(self.pg0, port_pkts, self.pg3) + + # + # Add a LB route in the presence of a down link - expect no + # packets over the down link + # + self.pg3.link_down() + + route_10_0_0_3 = VppIpRoute( + self, + "10.0.0.3", + 32, + [ + VppRoutePath(self.pg3.remote_ip4, self.pg3.sw_if_index), + VppRoutePath(self.pg4.remote_ip4, self.pg4.sw_if_index), + ], + ) + route_10_0_0_3.add_vpp_config() + + port_pkts = [] + for ii in range(257): + port_pkts.append( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IP(dst="10.0.0.3", src="20.0.0.2") + / UDP(sport=1234, dport=1234 + ii) + / Raw(b"\xa5" * 100) + ) + + self.send_and_expect_only(self.pg0, port_pkts, self.pg4) + + # bring the link back up + self.pg3.link_up() + + rx = self.send_and_expect_load_balancing( + self.pg0, port_pkts, [self.pg3, self.pg4] + ) + self.assertEqual(len(src_pkts), self.total_len(rx)) class TestIPVlan0(VppTestCase): - """ IPv4 VLAN-0 """ + """IPv4 VLAN-0""" + + @classmethod + def setUpClass(cls): + super(TestIPVlan0, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestIPVlan0, cls).tearDownClass() def setUp(self): super(TestIPVlan0, self).setUp() @@ -1072,15 +1590,15 @@ class TestIPVlan0(VppTestCase): super(TestIPVlan0, self).tearDown() def test_ip_vlan_0(self): - """ IP VLAN-0 """ + """IP VLAN-0""" - pkts = (Ether(src=self.pg0.remote_mac, - dst=self.pg0.local_mac) / - Dot1Q(vlan=0) / - IP(dst=self.pg1.remote_ip4, - src=self.pg0.remote_ip4) / - UDP(sport=1234, dport=1234) / - Raw('\xa5' * 100)) * 65 + pkts = ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / Dot1Q(vlan=0) + / IP(dst=self.pg1.remote_ip4, src=self.pg0.remote_ip4) + / UDP(sport=1234, dport=1234) + / Raw(b"\xa5" * 100) + ) * NUM_PKTS # # Expect that packets sent on VLAN-0 are forwarded on the @@ -1089,53 +1607,119 @@ class TestIPVlan0(VppTestCase): self.send_and_expect(self.pg0, pkts, self.pg1) -class TestIPPunt(VppTestCase): - """ IPv4 Punt Police/Redirect """ - - def setUp(self): - super(TestIPPunt, self).setUp() +class IPPuntSetup(object): + """Setup for IPv4 Punt Police/Redirect""" - self.create_pg_interfaces(range(2)) + def punt_setup(self): + self.create_pg_interfaces(range(4)) for i in self.pg_interfaces: i.admin_up() i.config_ip4() i.resolve_arp() - def tearDown(self): - super(TestIPPunt, self).tearDown() + # use UDP packet that have a port we need to explicitly + # register to get punted. + pt_l4 = VppEnum.vl_api_punt_type_t.PUNT_API_TYPE_L4 + af_ip4 = VppEnum.vl_api_address_family_t.ADDRESS_IP4 + udp_proto = VppEnum.vl_api_ip_proto_t.IP_API_PROTO_UDP + punt_udp = { + "type": pt_l4, + "punt": { + "l4": { + "af": af_ip4, + "protocol": udp_proto, + "port": 1234, + } + }, + } + + self.vapi.set_punt(is_add=1, punt=punt_udp) + + af_ip6 = VppEnum.vl_api_address_family_t.ADDRESS_IP6 + punt_udp = { + "type": pt_l4, + "punt": { + "l4": { + "af": af_ip6, + "protocol": udp_proto, + "port": 1236, + } + }, + } + + self.vapi.set_punt(is_add=1, punt=punt_udp) + + self.pkt = ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) + / UDP(sport=1234, dport=1234) + / Raw(b"\xa5" * 100) + ) + + def punt_teardown(self): for i in self.pg_interfaces: i.unconfig_ip4() i.admin_down() - def test_ip_punt(self): - """ IP punt police and redirect """ - p = (Ether(src=self.pg0.remote_mac, - dst=self.pg0.local_mac) / - IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) / - TCP(sport=1234, dport=1234) / - Raw('\xa5' * 100)) +class TestIPPunt(IPPuntSetup, VppTestCase): + """IPv4 Punt Police/Redirect""" + + def setUp(self): + super().setUp() + super().punt_setup() + + def tearDown(self): + super().punt_teardown() + super().tearDown() + + def test_ip_punt_api_validation(self): + """IP punt API parameter validation""" + + nh_addr = self.pg1.remote_ip4 + punt = { + "rx_sw_if_index": self.pg0.sw_if_index, + "af": VppEnum.vl_api_address_family_t.ADDRESS_IP4, + "n_paths": 1000000, + "paths": [], + } + + with self.assertRaises(vpp_papi.VPPIOError): + self.vapi.add_del_ip_punt_redirect_v2(punt=punt, is_add=True) - pkts = p * 1025 + punt = { + "rx_sw_if_index": self.pg0.sw_if_index, + "af": VppEnum.vl_api_address_family_t.ADDRESS_IP4, + "n_paths": 0, + "paths": [], + } + + self.vapi.add_del_ip_punt_redirect_v2(punt=punt, is_add=True) + + def test_ip_punt(self): + """IP punt police and redirect""" + + pkts = self.pkt * 1025 # # Configure a punt redirect via pg1. # - nh_addr = socket.inet_pton(socket.AF_INET, - self.pg1.remote_ip4) - self.vapi.ip_punt_redirect(self.pg0.sw_if_index, - self.pg1.sw_if_index, - nh_addr) + nh_addr = self.pg1.remote_ip4 + ip_punt_redirect = VppIpPuntRedirect( + self, self.pg0.sw_if_index, self.pg1.sw_if_index, nh_addr + ) + ip_punt_redirect.add_vpp_config() self.send_and_expect(self.pg0, pkts, self.pg1) # # add a policer # - policer = self.vapi.policer_add_del("ip4-punt", 400, 0, 10, 0, - rate_type=1) - self.vapi.ip_punt_police(policer.policer_index) + policer = VppPolicer(self, "ip4-punt", 400, 0, 10, 0, rate_type=1) + policer.add_vpp_config() + ip_punt_policer = VppIpPuntPolicer(self, policer.policer_index) + ip_punt_policer.add_vpp_config() self.vapi.cli("clear trace") self.pg0.add_stream(pkts) @@ -1143,47 +1727,398 @@ class TestIPPunt(VppTestCase): self.pg_start() # - # the number of packet recieved should be greater than 0, + # the number of packet received should be greater than 0, # but not equal to the number sent, since some were policed # rx = self.pg1._get_capture(1) - self.assertTrue(len(rx) > 0) - self.assertTrue(len(rx) < len(pkts)) + + stats = policer.get_stats() + + # Single rate policer - expect conform, violate but no exceed + self.assertGreater(stats["conform_packets"], 0) + self.assertEqual(stats["exceed_packets"], 0) + self.assertGreater(stats["violate_packets"], 0) + + self.assertGreater(len(rx), 0) + self.assertLess(len(rx), len(pkts)) # - # remove the poilcer. back to full rx + # remove the policer. back to full rx # - self.vapi.ip_punt_police(policer.policer_index, is_add=0) - self.vapi.policer_add_del("ip4-punt", 400, 0, 10, 0, - rate_type=1, is_add=0) + ip_punt_policer.remove_vpp_config() + policer.remove_vpp_config() self.send_and_expect(self.pg0, pkts, self.pg1) # # remove the redirect. expect full drop. # - self.vapi.ip_punt_redirect(self.pg0.sw_if_index, - self.pg1.sw_if_index, - nh_addr, - is_add=0) - self.send_and_assert_no_replies(self.pg0, pkts, - "IP no punt config") + ip_punt_redirect.remove_vpp_config() + self.send_and_assert_no_replies(self.pg0, pkts, "IP no punt config") # # Add a redirect that is not input port selective # - self.vapi.ip_punt_redirect(0xffffffff, - self.pg1.sw_if_index, - nh_addr) + ip_punt_redirect = VppIpPuntRedirect( + self, 0xFFFFFFFF, self.pg1.sw_if_index, nh_addr + ) + ip_punt_redirect.add_vpp_config() self.send_and_expect(self.pg0, pkts, self.pg1) + ip_punt_redirect.remove_vpp_config() + + def test_ip_punt_vrf(self): + """IP punt/local with VRFs""" + + # use a punt redirect to test if for-us packets are accepted + pkts = self.pkt * 1025 + + vlans_pg0 = [VppDot1QSubint(self, self.pg0, v) for v in range(100, 104)] + vlans_pg1 = [VppDot1QSubint(self, self.pg1, v) for v in range(100, 104)] + tbl4 = [VppIpTable(self, v).add_vpp_config() for v in range(100, 104)] + tbl6 = [VppIpTable(self, v, True).add_vpp_config() for v in range(100, 104)] + + for v in vlans_pg0 + vlans_pg1: + v.admin_up() + v.set_table_ip4(v.vlan) + v.set_table_ip6(v.vlan) + v.config_ip4() + v.config_ip6() + v.resolve_arp() + v.resolve_ndp() + + [ + VppIpPuntRedirect( + self, + vlans_pg0[i].sw_if_index, + vlans_pg1[i].sw_if_index, + vlans_pg1[i].remote_ip4, + ).add_vpp_config() + for i in range(4) + ] + [ + VppIpPuntRedirect( + self, + vlans_pg0[i].sw_if_index, + vlans_pg1[i].sw_if_index, + vlans_pg1[i].remote_ip6, + ).add_vpp_config() + for i in range(4) + ] + + pkts = [ + ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / Dot1Q(vlan=i.vlan) + / IP(src=i.remote_ip4, dst=i.local_ip4) + / UDP(sport=1234, dport=1234) + / Raw(b"\xa5" * 100) + ) + for i in vlans_pg0 + ] + + self.send_and_expect(self.pg0, pkts, self.pg1) + + # + # IPv4 + # + + # we reject packets for source addresses in the wrong vlan/VRF + pkts = [ + ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / Dot1Q(vlan=i.vlan) + / IP(src="1.1.1.1", dst=i.local_ip4) + / UDP(sport=1234, dport=1234) + / Raw(b"\xa5" * 100) + ) + for i in vlans_pg0 + ] + # single and dual loop + self.send_and_assert_no_replies(self.pg0, [pkts[0]]) + self.send_and_assert_no_replies(self.pg0, pkts) + + self.assert_error_counter_equal("/err/ip4-local/src_lookup_miss", len(pkts) + 1) + + # using the same source in different tables, should reject + # for the table that the source is not present in + # the first packet in the stream is drop + pkts = [ + ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / Dot1Q(vlan=i.vlan) + / IP(src=vlans_pg0[0].remote_ip4, dst=i.local_ip4) + / UDP(sport=1234, dport=1234) + / Raw(b"\xa5" * 100) + ) + for i in vlans_pg0 + ] + # single loop accept and drop + # followed by both in the same frame/loop + self.send_and_expect(self.pg0, [pkts[0]], self.pg1) + self.send_and_assert_no_replies(self.pg0, [pkts[1]]) + self.send_and_expect(self.pg0, pkts * 4, self.pg1, n_rx=4) + + # using the same source in different tables, should reject + # for the table that the source is not present in + # the first packet in the stream is accept + pkts = [ + ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / Dot1Q(vlan=i.vlan) + / IP(src=vlans_pg0[3].remote_ip4, dst=i.local_ip4) + / UDP(sport=1234, dport=1234) + / Raw(b"\xa5" * 100) + ) + for i in vlans_pg0 + ] + + # single loop accept and drop + # followed by both in the same frame/loop + self.send_and_expect(self.pg0, [pkts[3]], self.pg1) + self.send_and_assert_no_replies(self.pg0, [pkts[1]]) + self.send_and_expect(self.pg0, pkts * 4, self.pg1, n_rx=4) + + # + # IPv6 + # + + # we reject packets for source addresses in the wrong vlan/VRF + pkts = [ + ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / Dot1Q(vlan=i.vlan) + / IPv6(src="1::1", dst=i.local_ip6) + / UDP(sport=1236, dport=1236) + / Raw(b"\xa5" * 100) + ) + for i in vlans_pg0 + ] + # single and dual loop + self.send_and_assert_no_replies(self.pg0, [pkts[0]]) + self.send_and_assert_no_replies(self.pg0, pkts) + + self.assert_error_counter_equal("/err/ip6-input/src_lookup_miss", len(pkts) + 1) + + # using the same source in different tables, should reject + # for the table that the source is not present in + # the first packet in the stream is drop + pkts = [ + ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / Dot1Q(vlan=i.vlan) + / IPv6(src=vlans_pg0[0].remote_ip6, dst=i.local_ip6) + / UDP(sport=1236, dport=1236) + / Raw(b"\xa5" * 100) + ) + for i in vlans_pg0 + ] + # single loop accept and drop + # followed by both in the same frame/loop + self.send_and_expect(self.pg0, [pkts[0]], self.pg1) + self.send_and_assert_no_replies(self.pg0, [pkts[1]]) + self.send_and_expect(self.pg0, pkts * 4, self.pg1, n_rx=4) + + # using the same source in different tables, should reject + # for the table that the source is not present in + # the first packet in the stream is accept + pkts = [ + ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / Dot1Q(vlan=i.vlan) + / IPv6(src=vlans_pg0[3].remote_ip6, dst=i.local_ip6) + / UDP(sport=1236, dport=1236) + / Raw(b"\xa5" * 100) + ) + for i in vlans_pg0 + ] + + # single loop accept and drop + # followed by both in the same frame/loop + self.send_and_expect(self.pg0, [pkts[3]], self.pg1) + self.send_and_assert_no_replies(self.pg0, [pkts[1]]) + self.send_and_expect(self.pg0, pkts * 4, self.pg1, n_rx=4) + + for v in vlans_pg0 + vlans_pg1: + v.unconfig_ip4() + v.unconfig_ip6() + v.set_table_ip4(0) + v.set_table_ip6(0) + + def test_ip_punt_dump(self): + """IP4 punt redirect dump""" + + # + # Configure a punt redirects + # + nh_address = self.pg3.remote_ip4 + ipr_03 = VppIpPuntRedirect( + self, self.pg0.sw_if_index, self.pg3.sw_if_index, nh_address + ) + ipr_13 = VppIpPuntRedirect( + self, self.pg1.sw_if_index, self.pg3.sw_if_index, nh_address + ) + ipr_23 = VppIpPuntRedirect( + self, self.pg2.sw_if_index, self.pg3.sw_if_index, "0.0.0.0" + ) + ipr_03.add_vpp_config() + ipr_13.add_vpp_config() + ipr_23.add_vpp_config() + + # + # Dump pg0 punt redirects + # + self.assertTrue(ipr_03.query_vpp_config()) + self.assertTrue(ipr_13.query_vpp_config()) + self.assertTrue(ipr_23.query_vpp_config()) + + # + # Dump punt redirects for all interfaces + # + punts = self.vapi.ip_punt_redirect_dump(0xFFFFFFFF) + self.assertEqual(len(punts), 3) + for p in punts: + self.assertEqual(p.punt.tx_sw_if_index, self.pg3.sw_if_index) + self.assertNotEqual(punts[1].punt.nh, self.pg3.remote_ip4) + self.assertEqual(str(punts[2].punt.nh), "0.0.0.0") + + +class TestIPPuntHandoff(IPPuntSetup, VppTestCase): + """IPv4 Punt Policer thread handoff""" + + vpp_worker_count = 2 + + def setUp(self): + super(TestIPPuntHandoff, self).setUp() + super(TestIPPuntHandoff, self).punt_setup() + + def tearDown(self): + super(TestIPPuntHandoff, self).punt_teardown() + super(TestIPPuntHandoff, self).tearDown() - self.vapi.ip_punt_redirect(0xffffffff, - self.pg1.sw_if_index, - nh_addr, - is_add=0) + def test_ip_punt_policer_handoff(self): + """IP4 punt policer thread handoff""" + pkts = self.pkt * NUM_PKTS + + # + # Configure a punt redirect via pg1. + # + nh_addr = self.pg1.remote_ip4 + ip_punt_redirect = VppIpPuntRedirect( + self, self.pg0.sw_if_index, self.pg1.sw_if_index, nh_addr + ) + ip_punt_redirect.add_vpp_config() + + action_tx = PolicerAction( + VppEnum.vl_api_sse2_qos_action_type_t.SSE2_QOS_ACTION_API_TRANSMIT, 0 + ) + # + # This policer drops no packets, we are just + # testing that they get to the right thread. + # + policer = VppPolicer( + self, + "ip4-punt", + 400, + 0, + 10, + 0, + 1, + 0, + 0, + False, + action_tx, + action_tx, + action_tx, + ) + policer.add_vpp_config() + ip_punt_policer = VppIpPuntPolicer(self, policer.policer_index) + ip_punt_policer.add_vpp_config() + + for worker in [0, 1]: + self.send_and_expect(self.pg0, pkts, self.pg1, worker=worker) + self.logger.debug(self.vapi.cli("show trace max 100")) + + # Combined stats, all threads + stats = policer.get_stats() + + # Single rate policer - expect conform, violate but no exceed + self.assertGreater(stats["conform_packets"], 0) + self.assertEqual(stats["exceed_packets"], 0) + self.assertGreater(stats["violate_packets"], 0) + + # Worker 0, should have done all the policing + stats0 = policer.get_stats(worker=0) + self.assertEqual(stats, stats0) + + # Worker 1, should have handed everything off + stats1 = policer.get_stats(worker=1) + self.assertEqual(stats1["conform_packets"], 0) + self.assertEqual(stats1["exceed_packets"], 0) + self.assertEqual(stats1["violate_packets"], 0) + + # Bind the policer to worker 1 and repeat + policer.bind_vpp_config(1, True) + for worker in [0, 1]: + self.send_and_expect(self.pg0, pkts, self.pg1, worker=worker) + self.logger.debug(self.vapi.cli("show trace max 100")) + + # The 2 workers should now have policed the same amount + stats = policer.get_stats() + stats0 = policer.get_stats(worker=0) + stats1 = policer.get_stats(worker=1) + + self.assertGreater(stats0["conform_packets"], 0) + self.assertEqual(stats0["exceed_packets"], 0) + self.assertGreater(stats0["violate_packets"], 0) + + self.assertGreater(stats1["conform_packets"], 0) + self.assertEqual(stats1["exceed_packets"], 0) + self.assertGreater(stats1["violate_packets"], 0) + + self.assertEqual( + stats0["conform_packets"] + stats1["conform_packets"], + stats["conform_packets"], + ) + + self.assertEqual( + stats0["violate_packets"] + stats1["violate_packets"], + stats["violate_packets"], + ) + + # Unbind the policer and repeat + policer.bind_vpp_config(1, False) + for worker in [0, 1]: + self.send_and_expect(self.pg0, pkts, self.pg1, worker=worker) + self.logger.debug(self.vapi.cli("show trace max 100")) + + # The policer should auto-bind to worker 0 when packets arrive + stats = policer.get_stats() + stats0new = policer.get_stats(worker=0) + stats1new = policer.get_stats(worker=1) + + self.assertGreater(stats0new["conform_packets"], stats0["conform_packets"]) + self.assertEqual(stats0new["exceed_packets"], 0) + self.assertGreater(stats0new["violate_packets"], stats0["violate_packets"]) + + self.assertEqual(stats1, stats1new) + + # + # Clean up + # + ip_punt_policer.remove_vpp_config() + policer.remove_vpp_config() + ip_punt_redirect.remove_vpp_config() class TestIPDeag(VppTestCase): - """ IPv4 Deaggregate Routes """ + """IPv4 Deaggregate Routes""" + + @classmethod + def setUpClass(cls): + super(TestIPDeag, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestIPDeag, cls).tearDownClass() def setUp(self): super(TestIPDeag, self).setUp() @@ -1202,7 +2137,7 @@ class TestIPDeag(VppTestCase): i.admin_down() def test_ip_deag(self): - """ IP Deag Routes """ + """IP Deag Routes""" # # Create a table to be used for: @@ -1218,15 +2153,22 @@ class TestIPDeag(VppTestCase): # Add a route in the default table to point to a deag/ # second lookup in each of these tables # - route_to_dst = VppIpRoute(self, "1.1.1.1", 32, - [VppRoutePath("0.0.0.0", - 0xffffffff, - nh_table_id=1)]) - route_to_src = VppIpRoute(self, "1.1.1.2", 32, - [VppRoutePath("0.0.0.0", - 0xffffffff, - nh_table_id=2, - is_source_lookup=1)]) + route_to_dst = VppIpRoute( + self, "1.1.1.1", 32, [VppRoutePath("0.0.0.0", 0xFFFFFFFF, nh_table_id=1)] + ) + route_to_src = VppIpRoute( + self, + "1.1.1.2", + 32, + [ + VppRoutePath( + "0.0.0.0", + 0xFFFFFFFF, + nh_table_id=2, + type=FibPathType.FIB_PATH_TYPE_SOURCE_LOOKUP, + ) + ], + ) route_to_dst.add_vpp_config() route_to_src.add_vpp_config() @@ -1234,65 +2176,79 @@ class TestIPDeag(VppTestCase): # packets to these destination are dropped, since they'll # hit the respective default routes in the second table # - p_dst = (Ether(src=self.pg0.remote_mac, - dst=self.pg0.local_mac) / - IP(src="5.5.5.5", dst="1.1.1.1") / - TCP(sport=1234, dport=1234) / - Raw('\xa5' * 100)) - p_src = (Ether(src=self.pg0.remote_mac, - dst=self.pg0.local_mac) / - IP(src="2.2.2.2", dst="1.1.1.2") / - TCP(sport=1234, dport=1234) / - Raw('\xa5' * 100)) + p_dst = ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IP(src="5.5.5.5", dst="1.1.1.1") + / TCP(sport=1234, dport=1234) + / Raw(b"\xa5" * 100) + ) + p_src = ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IP(src="2.2.2.2", dst="1.1.1.2") + / TCP(sport=1234, dport=1234) + / Raw(b"\xa5" * 100) + ) pkts_dst = p_dst * 257 pkts_src = p_src * 257 - self.send_and_assert_no_replies(self.pg0, pkts_dst, - "IP in dst table") - self.send_and_assert_no_replies(self.pg0, pkts_src, - "IP in src table") + self.send_and_assert_no_replies(self.pg0, pkts_dst, "IP in dst table") + self.send_and_assert_no_replies(self.pg0, pkts_src, "IP in src table") # # add a route in the dst table to forward via pg1 # - route_in_dst = VppIpRoute(self, "1.1.1.1", 32, - [VppRoutePath(self.pg1.remote_ip4, - self.pg1.sw_if_index)], - table_id=1) + route_in_dst = VppIpRoute( + self, + "1.1.1.1", + 32, + [VppRoutePath(self.pg1.remote_ip4, self.pg1.sw_if_index)], + table_id=1, + ) route_in_dst.add_vpp_config() + self.send_and_expect(self.pg0, pkts_dst, self.pg1) # # add a route in the src table to forward via pg2 # - route_in_src = VppIpRoute(self, "2.2.2.2", 32, - [VppRoutePath(self.pg2.remote_ip4, - self.pg2.sw_if_index)], - table_id=2) + route_in_src = VppIpRoute( + self, + "2.2.2.2", + 32, + [VppRoutePath(self.pg2.remote_ip4, self.pg2.sw_if_index)], + table_id=2, + ) route_in_src.add_vpp_config() self.send_and_expect(self.pg0, pkts_src, self.pg2) # # loop in the lookup DP # - route_loop = VppIpRoute(self, "2.2.2.3", 32, - [VppRoutePath("0.0.0.0", - 0xffffffff, - nh_table_id=0)]) + route_loop = VppIpRoute( + self, "2.2.2.3", 32, [VppRoutePath("0.0.0.0", 0xFFFFFFFF, nh_table_id=0)] + ) route_loop.add_vpp_config() - p_l = (Ether(src=self.pg0.remote_mac, - dst=self.pg0.local_mac) / - IP(src="2.2.2.4", dst="2.2.2.3") / - TCP(sport=1234, dport=1234) / - Raw('\xa5' * 100)) + p_l = ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IP(src="2.2.2.4", dst="2.2.2.3") + / TCP(sport=1234, dport=1234) + / Raw(b"\xa5" * 100) + ) - self.send_and_assert_no_replies(self.pg0, p_l * 257, - "IP lookup loop") + self.send_and_assert_no_replies(self.pg0, p_l * 257, "IP lookup loop") class TestIPInput(VppTestCase): - """ IPv4 Input Exceptions """ + """IPv4 Input Exceptions""" + + @classmethod + def setUpClass(cls): + super(TestIPInput, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestIPInput, cls).tearDownClass() def setUp(self): super(TestIPInput, self).setUp() @@ -1311,7 +2267,7 @@ class TestIPInput(VppTestCase): i.admin_down() def test_ip_input(self): - """ IP Input Exceptions """ + """IP Input Exceptions""" # i can't find a way in scapy to construct an IP packet # with a length less than the IP header length @@ -1319,126 +2275,144 @@ class TestIPInput(VppTestCase): # # Packet too short - this is forwarded # - p_short = (Ether(src=self.pg0.remote_mac, - dst=self.pg0.local_mac) / - IP(src=self.pg0.remote_ip4, - dst=self.pg1.remote_ip4, - len=40) / - UDP(sport=1234, dport=1234) / - Raw('\xa5' * 100)) + p_short = ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4, len=40) + / UDP(sport=1234, dport=1234) + / Raw(b"\xa5" * 100) + ) - rx = self.send_and_expect(self.pg0, p_short * 65, self.pg1) + rx = self.send_and_expect(self.pg0, p_short * NUM_PKTS, self.pg1) # # Packet too long - this is dropped # - p_long = (Ether(src=self.pg0.remote_mac, - dst=self.pg0.local_mac) / - IP(src=self.pg0.remote_ip4, - dst=self.pg1.remote_ip4, - len=400) / - UDP(sport=1234, dport=1234) / - Raw('\xa5' * 100)) + p_long = ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4, len=400) + / UDP(sport=1234, dport=1234) + / Raw(b"\xa5" * 100) + ) - rx = self.send_and_assert_no_replies(self.pg0, p_long * 65, - "too long") + rx = self.send_and_assert_no_replies(self.pg0, p_long * NUM_PKTS, "too long") # # bad chksum - this is dropped # - p_chksum = (Ether(src=self.pg0.remote_mac, - dst=self.pg0.local_mac) / - IP(src=self.pg0.remote_ip4, - dst=self.pg1.remote_ip4, - chksum=400) / - UDP(sport=1234, dport=1234) / - Raw('\xa5' * 100)) + p_chksum = ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4, chksum=400) + / UDP(sport=1234, dport=1234) + / Raw(b"\xa5" * 100) + ) - rx = self.send_and_assert_no_replies(self.pg0, p_chksum * 65, - "bad checksum") + rx = self.send_and_assert_no_replies( + self.pg0, p_chksum * NUM_PKTS, "bad checksum" + ) # # bad version - this is dropped # - p_ver = (Ether(src=self.pg0.remote_mac, - dst=self.pg0.local_mac) / - IP(src=self.pg0.remote_ip4, - dst=self.pg1.remote_ip4, - version=3) / - UDP(sport=1234, dport=1234) / - Raw('\xa5' * 100)) + p_ver = ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4, version=3) + / UDP(sport=1234, dport=1234) + / Raw(b"\xa5" * 100) + ) - rx = self.send_and_assert_no_replies(self.pg0, p_ver * 65, - "funky version") + rx = self.send_and_assert_no_replies( + self.pg0, p_ver * NUM_PKTS, "funky version" + ) # # fragment offset 1 - this is dropped # - p_frag = (Ether(src=self.pg0.remote_mac, - dst=self.pg0.local_mac) / - IP(src=self.pg0.remote_ip4, - dst=self.pg1.remote_ip4, - frag=1) / - UDP(sport=1234, dport=1234) / - Raw('\xa5' * 100)) + p_frag = ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4, frag=1) + / UDP(sport=1234, dport=1234) + / Raw(b"\xa5" * 100) + ) - rx = self.send_and_assert_no_replies(self.pg0, p_frag * 65, - "frag offset") + rx = self.send_and_assert_no_replies(self.pg0, p_frag * NUM_PKTS, "frag offset") # # TTL expired packet # - p_ttl = (Ether(src=self.pg0.remote_mac, - dst=self.pg0.local_mac) / - IP(src=self.pg0.remote_ip4, - dst=self.pg1.remote_ip4, - ttl=1) / - UDP(sport=1234, dport=1234) / - Raw('\xa5' * 100)) - - rx = self.send_and_expect(self.pg0, p_ttl * 65, self.pg0) + p_ttl = ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4, ttl=1) + / UDP(sport=1234, dport=1234) + / Raw(b"\xa5" * 100) + ) - rx = rx[0] - icmp = rx[ICMP] + rxs = self.send_and_expect_some(self.pg0, p_ttl * NUM_PKTS, self.pg0) - self.assertEqual(icmptypes[icmp.type], "time-exceeded") - self.assertEqual(icmpcodes[icmp.type][icmp.code], - "ttl-zero-during-transit") - self.assertEqual(icmp.src, self.pg0.remote_ip4) - self.assertEqual(icmp.dst, self.pg1.remote_ip4) + for rx in rxs: + icmp = rx[ICMP] + self.assertEqual(icmptypes[icmp.type], "time-exceeded") + self.assertEqual(icmpcodes[icmp.type][icmp.code], "ttl-zero-during-transit") + self.assertEqual(icmp.src, self.pg0.remote_ip4) + self.assertEqual(icmp.dst, self.pg1.remote_ip4) # # MTU exceeded # - p_mtu = (Ether(src=self.pg0.remote_mac, - dst=self.pg0.local_mac) / - IP(src=self.pg0.remote_ip4, - dst=self.pg1.remote_ip4, - ttl=10, flags='DF') / - UDP(sport=1234, dport=1234) / - Raw('\xa5' * 2000)) + p_mtu = ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4, ttl=10, flags="DF") + / UDP(sport=1234, dport=1234) + / Raw(b"\xa5" * 2000) + ) self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, [1500, 0, 0, 0]) - rx = self.send_and_expect(self.pg0, p_mtu * 65, self.pg0) - rx = rx[0] - icmp = rx[ICMP] + rxs = self.send_and_expect_some(self.pg0, p_mtu * NUM_PKTS, self.pg0) - self.assertEqual(icmptypes[icmp.type], "dest-unreach") - self.assertEqual(icmpcodes[icmp.type][icmp.code], - "fragmentation-needed") - self.assertEqual(icmp.src, self.pg0.remote_ip4) - self.assertEqual(icmp.dst, self.pg1.remote_ip4) + for rx in rxs: + icmp = rx[ICMP] + self.assertEqual(icmptypes[icmp.type], "dest-unreach") + self.assertEqual(icmpcodes[icmp.type][icmp.code], "fragmentation-needed") + self.assertEqual(icmp.nexthopmtu, 1500) + self.assertEqual(icmp.src, self.pg0.remote_ip4) + self.assertEqual(icmp.dst, self.pg1.remote_ip4) self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, [2500, 0, 0, 0]) - rx = self.send_and_expect(self.pg0, p_mtu * 65, self.pg1) + rx = self.send_and_expect(self.pg0, p_mtu * NUM_PKTS, self.pg1) # Reset MTU for subsequent tests self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, [9000, 0, 0, 0]) + # + # source address 0.0.0.0 and 25.255.255.255 and for-us + # + p_s0 = ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IP(src="0.0.0.0", dst=self.pg0.local_ip4) + / ICMP(id=4, seq=4) + / Raw(load=b"\x0a" * 18) + ) + rx = self.send_and_assert_no_replies(self.pg0, p_s0 * 17) + + p_s0 = ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IP(src="255.255.255.255", dst=self.pg0.local_ip4) + / ICMP(id=4, seq=4) + / Raw(load=b"\x0a" * 18) + ) + rx = self.send_and_assert_no_replies(self.pg0, p_s0 * 17) + class TestIPDirectedBroadcast(VppTestCase): - """ IPv4 Directed Broadcast """ + """IPv4 Directed Broadcast""" + + @classmethod + def setUpClass(cls): + super(TestIPDirectedBroadcast, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestIPDirectedBroadcast, cls).tearDownClass() def setUp(self): super(TestIPDirectedBroadcast, self).setUp() @@ -1454,26 +2428,25 @@ class TestIPDirectedBroadcast(VppTestCase): i.admin_down() def test_ip_input(self): - """ IP Directed Broadcast """ + """IP Directed Broadcast""" # # set the directed broadcast on pg0 first, then config IP4 addresses # for pg1 directed broadcast is always disabled - self.vapi.sw_interface_set_ip_directed_broadcast( - self.pg0.sw_if_index, 1) - - p0 = (Ether(src=self.pg1.remote_mac, - dst=self.pg1.local_mac) / - IP(src="1.1.1.1", - dst=self.pg0._local_ip4_bcast) / - UDP(sport=1234, dport=1234) / - Raw('\xa5' * 2000)) - p1 = (Ether(src=self.pg0.remote_mac, - dst=self.pg0.local_mac) / - IP(src="1.1.1.1", - dst=self.pg1._local_ip4_bcast) / - UDP(sport=1234, dport=1234) / - Raw('\xa5' * 2000)) + self.vapi.sw_interface_set_ip_directed_broadcast(self.pg0.sw_if_index, 1) + + p0 = ( + Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) + / IP(src="1.1.1.1", dst=self.pg0._local_ip4_bcast) + / UDP(sport=1234, dport=1234) + / Raw(b"\xa5" * 2000) + ) + p1 = ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IP(src="1.1.1.1", dst=self.pg1._local_ip4_bcast) + / UDP(sport=1234, dport=1234) + / Raw(b"\xa5" * 2000) + ) self.pg0.config_ip4() self.pg0.resolve_arp() @@ -1483,30 +2456,38 @@ class TestIPDirectedBroadcast(VppTestCase): # # test packet is L2 broadcast # - rx = self.send_and_expect(self.pg1, p0 * 65, self.pg0) + rx = self.send_and_expect(self.pg1, p0 * NUM_PKTS, self.pg0) self.assertTrue(rx[0][Ether].dst, "ff:ff:ff:ff:ff:ff") - self.send_and_assert_no_replies(self.pg0, p1 * 65, - "directed broadcast disabled") + self.send_and_assert_no_replies( + self.pg0, p1 * NUM_PKTS, "directed broadcast disabled" + ) # # toggle directed broadcast on pg0 # - self.vapi.sw_interface_set_ip_directed_broadcast( - self.pg0.sw_if_index, 0) - self.send_and_assert_no_replies(self.pg1, p0 * 65, - "directed broadcast disabled") + self.vapi.sw_interface_set_ip_directed_broadcast(self.pg0.sw_if_index, 0) + self.send_and_assert_no_replies( + self.pg1, p0 * NUM_PKTS, "directed broadcast disabled" + ) - self.vapi.sw_interface_set_ip_directed_broadcast( - self.pg0.sw_if_index, 1) - rx = self.send_and_expect(self.pg1, p0 * 65, self.pg0) + self.vapi.sw_interface_set_ip_directed_broadcast(self.pg0.sw_if_index, 1) + rx = self.send_and_expect(self.pg1, p0 * NUM_PKTS, self.pg0) self.pg0.unconfig_ip4() self.pg1.unconfig_ip4() class TestIPLPM(VppTestCase): - """ IPv4 longest Prefix Match """ + """IPv4 longest Prefix Match""" + + @classmethod + def setUpClass(cls): + super(TestIPLPM, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestIPLPM, cls).tearDownClass() def setUp(self): super(TestIPLPM, self).setUp() @@ -1525,34 +2506,796 @@ class TestIPLPM(VppTestCase): i.unconfig_ip4() def test_ip_lpm(self): - """ IP longest Prefix Match """ + """IP longest Prefix Match""" - s_24 = VppIpRoute(self, "10.1.2.0", 24, - [VppRoutePath(self.pg1.remote_ip4, - self.pg1.sw_if_index)]) + s_24 = VppIpRoute( + self, + "10.1.2.0", + 24, + [VppRoutePath(self.pg1.remote_ip4, self.pg1.sw_if_index)], + ) s_24.add_vpp_config() - s_8 = VppIpRoute(self, "10.0.0.0", 8, - [VppRoutePath(self.pg2.remote_ip4, - self.pg2.sw_if_index)]) + s_8 = VppIpRoute( + self, + "10.0.0.0", + 8, + [VppRoutePath(self.pg2.remote_ip4, self.pg2.sw_if_index)], + ) s_8.add_vpp_config() - p_8 = (Ether(src=self.pg0.remote_mac, - dst=self.pg0.local_mac) / - IP(src="1.1.1.1", - dst="10.1.1.1") / - UDP(sport=1234, dport=1234) / - Raw('\xa5' * 2000)) - p_24 = (Ether(src=self.pg0.remote_mac, - dst=self.pg0.local_mac) / - IP(src="1.1.1.1", - dst="10.1.2.1") / - UDP(sport=1234, dport=1234) / - Raw('\xa5' * 2000)) + p_8 = ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IP(src="1.1.1.1", dst="10.1.1.1") + / UDP(sport=1234, dport=1234) + / Raw(b"\xa5" * 2000) + ) + p_24 = ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IP(src="1.1.1.1", dst="10.1.2.1") + / UDP(sport=1234, dport=1234) + / Raw(b"\xa5" * 2000) + ) self.logger.info(self.vapi.cli("sh ip fib mtrie")) - rx = self.send_and_expect(self.pg0, p_8 * 65, self.pg2) - rx = self.send_and_expect(self.pg0, p_24 * 65, self.pg1) + rx = self.send_and_expect(self.pg0, p_8 * NUM_PKTS, self.pg2) + rx = self.send_and_expect(self.pg0, p_24 * NUM_PKTS, self.pg1) + + +@tag_fixme_vpp_workers +class TestIPv4Frag(VppTestCase): + """IPv4 fragmentation""" + + @classmethod + def setUpClass(cls): + super(TestIPv4Frag, cls).setUpClass() + + cls.create_pg_interfaces([0, 1]) + cls.src_if = cls.pg0 + cls.dst_if = cls.pg1 + + # setup all interfaces + for i in cls.pg_interfaces: + i.admin_up() + i.config_ip4() + i.resolve_arp() + + @classmethod + def tearDownClass(cls): + super(TestIPv4Frag, cls).tearDownClass() + + def test_frag_large_packets(self): + """Fragmentation of large packets""" + + self.vapi.cli("adjacency counters enable") + + p = ( + Ether(dst=self.src_if.local_mac, src=self.src_if.remote_mac) + / IP(src=self.src_if.remote_ip4, dst=self.dst_if.remote_ip4) + / UDP(sport=1234, dport=5678) + / Raw() + ) + self.extend_packet(p, 6000, "abcde") + saved_payload = p[Raw].load + + nbr = VppNeighbor( + self, + self.dst_if.sw_if_index, + self.dst_if.remote_mac, + self.dst_if.remote_ip4, + ).add_vpp_config() + + # Force fragmentation by setting MTU of output interface + # lower than packet size + self.vapi.sw_interface_set_mtu(self.dst_if.sw_if_index, [5000, 0, 0, 0]) + + self.pg_enable_capture() + self.src_if.add_stream(p) + self.pg_start() + + # Expecting 3 fragments because size of created fragments currently + # cannot be larger then VPP buffer size (which is 2048) + packets = self.dst_if.get_capture(3) + + # we should show 3 packets thru the neighbor + self.assertEqual(3, nbr.get_stats()["packets"]) + + # Assume VPP sends the fragments in order + payload = b"" + for p in packets: + payload_offset = p.frag * 8 + if payload_offset > 0: + payload_offset -= 8 # UDP header is not in payload + self.assert_equal(payload_offset, len(payload)) + payload += p[Raw].load + self.assert_equal(payload, saved_payload, "payload") + + +class TestIPReplace(VppTestCase): + """IPv4 Table Replace""" + + @classmethod + def setUpClass(cls): + super(TestIPReplace, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestIPReplace, cls).tearDownClass() + + def setUp(self): + super(TestIPReplace, self).setUp() + + self.create_pg_interfaces(range(4)) + + table_id = 1 + self.tables = [] + + for i in self.pg_interfaces: + i.admin_up() + i.config_ip4() + i.resolve_arp() + i.generate_remote_hosts(2) + self.tables.append(VppIpTable(self, table_id).add_vpp_config()) + table_id += 1 + + def tearDown(self): + super(TestIPReplace, self).tearDown() + for i in self.pg_interfaces: + i.admin_down() + i.unconfig_ip4() + + def test_replace(self): + """IP Table Replace""" + + MRouteItfFlags = VppEnum.vl_api_mfib_itf_flags_t + MRouteEntryFlags = VppEnum.vl_api_mfib_entry_flags_t + N_ROUTES = 20 + links = [self.pg0, self.pg1, self.pg2, self.pg3] + routes = [[], [], [], []] + + # load up the tables with some routes + for ii, t in enumerate(self.tables): + for jj in range(N_ROUTES): + uni = VppIpRoute( + self, + "10.0.0.%d" % jj, + 32, + [ + VppRoutePath( + links[ii].remote_hosts[0].ip4, links[ii].sw_if_index + ), + VppRoutePath( + links[ii].remote_hosts[1].ip4, links[ii].sw_if_index + ), + ], + table_id=t.table_id, + ).add_vpp_config() + multi = VppIpMRoute( + self, + "0.0.0.0", + "239.0.0.%d" % jj, + 32, + MRouteEntryFlags.MFIB_API_ENTRY_FLAG_NONE, + [ + VppMRoutePath( + self.pg0.sw_if_index, + MRouteItfFlags.MFIB_API_ITF_FLAG_ACCEPT, + ), + VppMRoutePath( + self.pg1.sw_if_index, + MRouteItfFlags.MFIB_API_ITF_FLAG_FORWARD, + ), + VppMRoutePath( + self.pg2.sw_if_index, + MRouteItfFlags.MFIB_API_ITF_FLAG_FORWARD, + ), + VppMRoutePath( + self.pg3.sw_if_index, + MRouteItfFlags.MFIB_API_ITF_FLAG_FORWARD, + ), + ], + table_id=t.table_id, + ).add_vpp_config() + routes[ii].append({"uni": uni, "multi": multi}) + + # + # replace the tables a few times + # + for kk in range(3): + # replace_begin each table + for t in self.tables: + t.replace_begin() + + # all the routes are still there + for ii, t in enumerate(self.tables): + dump = t.dump() + mdump = t.mdump() + for r in routes[ii]: + self.assertTrue(find_route_in_dump(dump, r["uni"], t)) + self.assertTrue(find_mroute_in_dump(mdump, r["multi"], t)) + + # redownload the even numbered routes + for ii, t in enumerate(self.tables): + for jj in range(0, N_ROUTES, 2): + routes[ii][jj]["uni"].add_vpp_config() + routes[ii][jj]["multi"].add_vpp_config() + + # signal each table replace_end + for t in self.tables: + t.replace_end() + + # we should find the even routes, but not the odd + for ii, t in enumerate(self.tables): + dump = t.dump() + mdump = t.mdump() + for jj in range(0, N_ROUTES, 2): + self.assertTrue(find_route_in_dump(dump, routes[ii][jj]["uni"], t)) + self.assertTrue( + find_mroute_in_dump(mdump, routes[ii][jj]["multi"], t) + ) + for jj in range(1, N_ROUTES - 1, 2): + self.assertFalse(find_route_in_dump(dump, routes[ii][jj]["uni"], t)) + self.assertFalse( + find_mroute_in_dump(mdump, routes[ii][jj]["multi"], t) + ) + + # reload all the routes + for ii, t in enumerate(self.tables): + for r in routes[ii]: + r["uni"].add_vpp_config() + r["multi"].add_vpp_config() + + # all the routes are still there + for ii, t in enumerate(self.tables): + dump = t.dump() + mdump = t.mdump() + for r in routes[ii]: + self.assertTrue(find_route_in_dump(dump, r["uni"], t)) + self.assertTrue(find_mroute_in_dump(mdump, r["multi"], t)) + + # + # finally flush the tables for good measure + # + for t in self.tables: + t.flush() + self.assertEqual(len(t.dump()), 5) + self.assertEqual(len(t.mdump()), 3) + + +class TestIPCover(VppTestCase): + """IPv4 Table Cover""" + + @classmethod + def setUpClass(cls): + super(TestIPCover, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestIPCover, cls).tearDownClass() + + def setUp(self): + super(TestIPCover, self).setUp() + + self.create_pg_interfaces(range(4)) + + table_id = 1 + self.tables = [] + + for i in self.pg_interfaces: + i.admin_up() + i.config_ip4() + i.resolve_arp() + i.generate_remote_hosts(2) + self.tables.append(VppIpTable(self, table_id).add_vpp_config()) + table_id += 1 + + def tearDown(self): + super(TestIPCover, self).tearDown() + for i in self.pg_interfaces: + i.admin_down() + i.unconfig_ip4() + + def test_cover(self): + """IP Table Cover""" + + # add a loop back with a /32 prefix + lo = VppLoInterface(self) + lo.admin_up() + a = VppIpInterfaceAddress(self, lo, "127.0.0.1", 32).add_vpp_config() + + # add a neighbour that matches the loopback's /32 + nbr = VppNeighbor( + self, lo.sw_if_index, lo.remote_mac, "127.0.0.1" + ).add_vpp_config() + + # add the default route which will be the cover for /32 + r = VppIpRoute( + self, + "0.0.0.0", + 0, + [VppRoutePath("127.0.0.1", lo.sw_if_index)], + register=False, + ).add_vpp_config() + + # add/remove/add a longer mask cover + r8 = VppIpRoute( + self, "127.0.0.0", 8, [VppRoutePath("127.0.0.1", lo.sw_if_index)] + ).add_vpp_config() + r8.remove_vpp_config() + r8.add_vpp_config() + r8.remove_vpp_config() + + # remove the default route + r.remove_vpp_config() + + # remove the interface prefix + a.remove_vpp_config() + + +class TestIP4Replace(VppTestCase): + """IPv4 Interface Address Replace""" + + @classmethod + def setUpClass(cls): + super(TestIP4Replace, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestIP4Replace, cls).tearDownClass() + + def setUp(self): + super(TestIP4Replace, self).setUp() + + self.create_pg_interfaces(range(4)) + + for i in self.pg_interfaces: + i.admin_up() + + def tearDown(self): + super(TestIP4Replace, self).tearDown() + for i in self.pg_interfaces: + i.admin_down() + + def get_n_pfxs(self, intf): + return len(self.vapi.ip_address_dump(intf.sw_if_index)) + + def test_replace(self): + """IP interface address replace""" + + intf_pfxs = [[], [], [], []] + + # add prefixes to each of the interfaces + for i in range(len(self.pg_interfaces)): + intf = self.pg_interfaces[i] + + # 172.16.x.1/24 + addr = "172.16.%d.1" % intf.sw_if_index + a = VppIpInterfaceAddress(self, intf, addr, 24).add_vpp_config() + intf_pfxs[i].append(a) + + # 172.16.x.2/24 - a different address in the same subnet as above + addr = "172.16.%d.2" % intf.sw_if_index + a = VppIpInterfaceAddress(self, intf, addr, 24).add_vpp_config() + intf_pfxs[i].append(a) + + # 172.15.x.2/24 - a different address and subnet + addr = "172.15.%d.2" % intf.sw_if_index + a = VppIpInterfaceAddress(self, intf, addr, 24).add_vpp_config() + intf_pfxs[i].append(a) + + # a dump should n_address in it + for intf in self.pg_interfaces: + self.assertEqual(self.get_n_pfxs(intf), 3) + + # + # remove all the address thru a replace + # + self.vapi.sw_interface_address_replace_begin() + self.vapi.sw_interface_address_replace_end() + for intf in self.pg_interfaces: + self.assertEqual(self.get_n_pfxs(intf), 0) + + # + # add all the interface addresses back + # + for p in intf_pfxs: + for v in p: + v.add_vpp_config() + for intf in self.pg_interfaces: + self.assertEqual(self.get_n_pfxs(intf), 3) + + # + # replace again, but this time update/re-add the address on the first + # two interfaces + # + self.vapi.sw_interface_address_replace_begin() + + for p in intf_pfxs[:2]: + for v in p: + v.add_vpp_config() + + self.vapi.sw_interface_address_replace_end() + + # on the first two the address still exist, + # on the other two they do not + for intf in self.pg_interfaces[:2]: + self.assertEqual(self.get_n_pfxs(intf), 3) + for p in intf_pfxs[:2]: + for v in p: + self.assertTrue(v.query_vpp_config()) + for intf in self.pg_interfaces[2:]: + self.assertEqual(self.get_n_pfxs(intf), 0) + + # + # add all the interface addresses back on the last two + # + for p in intf_pfxs[2:]: + for v in p: + v.add_vpp_config() + for intf in self.pg_interfaces: + self.assertEqual(self.get_n_pfxs(intf), 3) + + # + # replace again, this time add different prefixes on all the interfaces + # + self.vapi.sw_interface_address_replace_begin() + + pfxs = [] + for intf in self.pg_interfaces: + # 172.18.x.1/24 + addr = "172.18.%d.1" % intf.sw_if_index + pfxs.append(VppIpInterfaceAddress(self, intf, addr, 24).add_vpp_config()) + + self.vapi.sw_interface_address_replace_end() + + # only .18 should exist on each interface + for intf in self.pg_interfaces: + self.assertEqual(self.get_n_pfxs(intf), 1) + for pfx in pfxs: + self.assertTrue(pfx.query_vpp_config()) + + # + # remove everything + # + self.vapi.sw_interface_address_replace_begin() + self.vapi.sw_interface_address_replace_end() + for intf in self.pg_interfaces: + self.assertEqual(self.get_n_pfxs(intf), 0) + + # + # add prefixes to each interface. post-begin add the prefix from + # interface X onto interface Y. this would normally be an error + # since it would generate a 'duplicate address' warning. but in + # this case, since what is newly downloaded is sane, it's ok + # + for intf in self.pg_interfaces: + # 172.18.x.1/24 + addr = "172.18.%d.1" % intf.sw_if_index + VppIpInterfaceAddress(self, intf, addr, 24).add_vpp_config() + + self.vapi.sw_interface_address_replace_begin() + + pfxs = [] + for intf in self.pg_interfaces: + # 172.18.x.1/24 + addr = "172.18.%d.1" % (intf.sw_if_index + 1) + pfxs.append(VppIpInterfaceAddress(self, intf, addr, 24).add_vpp_config()) + + self.vapi.sw_interface_address_replace_end() + + self.logger.info(self.vapi.cli("sh int addr")) + + for intf in self.pg_interfaces: + self.assertEqual(self.get_n_pfxs(intf), 1) + for pfx in pfxs: + self.assertTrue(pfx.query_vpp_config()) + + +class TestIPv4PathMTU(VppTestCase): + """IPv4 Path MTU""" + + @classmethod + def setUpClass(cls): + super(TestIPv4PathMTU, cls).setUpClass() + + cls.create_pg_interfaces(range(2)) + + # setup all interfaces + for i in cls.pg_interfaces: + i.admin_up() + i.config_ip4() + i.resolve_arp() + + @classmethod + def tearDownClass(cls): + super(TestIPv4PathMTU, cls).tearDownClass() + + def test_path_mtu(self): + """Path MTU""" + + # + # The goal here is not to test that fragmentation works correctly, + # that's done elsewhere, the intent is to ensure that the Path MTU + # settings are honoured. + # + self.vapi.cli("adjacency counters enable") + + # set the interface MTU to a reasonable value + self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, [1800, 0, 0, 0]) + + self.pg1.generate_remote_hosts(4) + + p_2k = ( + Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) + / IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) + / UDP(sport=1234, dport=5678) + / Raw(b"0xa" * 640) + ) + p_1k = ( + Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) + / IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) + / UDP(sport=1234, dport=5678) + / Raw(b"0xa" * 320) + ) + + nbr = VppNeighbor( + self, self.pg1.sw_if_index, self.pg1.remote_mac, self.pg1.remote_ip4 + ).add_vpp_config() + + # this is now the interface MTU frags + self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=2) + self.send_and_expect(self.pg0, [p_1k], self.pg1) + + # drop the path MTU for this neighbour to below the interface MTU + # expect more frags + pmtu = VppIpPathMtu(self, self.pg1.remote_ip4, 900).add_vpp_config() + + self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=3) + self.send_and_expect(self.pg0, [p_1k], self.pg1, n_rx=2) + + # print/format the adj delegate + self.logger.info(self.vapi.cli("sh adj 5")) + + # increase the path MTU to more than the interface + # expect to use the interface MTU + pmtu.modify(8192) + + self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=2) + self.send_and_expect(self.pg0, [p_1k], self.pg1) + + # go back to an MTU from the path + # wrap the call around mark-n-sweep to enusre updates clear stale + self.vapi.ip_path_mtu_replace_begin() + pmtu.modify(900) + self.vapi.ip_path_mtu_replace_end() + + self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=3) + self.send_and_expect(self.pg0, [p_1k], self.pg1, n_rx=2) + + # raise the interface's MTU + # should still use that of the path + self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, [2000, 0, 0, 0]) + self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=3) + self.send_and_expect(self.pg0, [p_1k], self.pg1, n_rx=2) + + # set path high and interface low + pmtu.modify(2000) + self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, [900, 0, 0, 0]) + self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=3) + self.send_and_expect(self.pg0, [p_1k], self.pg1, n_rx=2) + + # remove the path MTU using the mark-n-sweep semantics + self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, [1800, 0, 0, 0]) + self.vapi.ip_path_mtu_replace_begin() + self.vapi.ip_path_mtu_replace_end() + + self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=2) + self.send_and_expect(self.pg0, [p_1k], self.pg1) + + # + # set path MTU for a neighbour that doesn't exist, yet + # + pmtu2 = VppIpPathMtu(self, self.pg1.remote_hosts[2].ip4, 900).add_vpp_config() + + p_2k = ( + Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) + / IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_hosts[2].ip4) + / UDP(sport=1234, dport=5678) + / Raw(b"0xa" * 640) + ) + p_1k = ( + Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) + / IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_hosts[2].ip4) + / UDP(sport=1234, dport=5678) + / Raw(b"0xa" * 320) + ) + + nbr2 = VppNeighbor( + self, + self.pg1.sw_if_index, + self.pg1.remote_hosts[2].mac, + self.pg1.remote_hosts[2].ip4, + ).add_vpp_config() + + # should frag to the path MTU + self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=3) + self.send_and_expect(self.pg0, [p_1k], self.pg1, n_rx=2) + + # remove and re-add the neighbour + nbr2.remove_vpp_config() + nbr2.add_vpp_config() + + # should frag to the path MTU + self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=3) + self.send_and_expect(self.pg0, [p_1k], self.pg1, n_rx=2) + + # + # set PMTUs for many peers + # + N_HOSTS = 16 + self.pg1.generate_remote_hosts(16) + self.pg1.configure_ipv4_neighbors() + + for h in range(N_HOSTS): + pmtu = VppIpPathMtu(self, self.pg1.remote_hosts[h].ip4, 900) + pmtu.add_vpp_config() + self.assertTrue(pmtu.query_vpp_config()) + + self.logger.info(self.vapi.cli("sh ip pmtu")) + dump = list(self.vapi.vpp.details_iter(self.vapi.ip_path_mtu_get)) + self.assertEqual(N_HOSTS, len(dump)) + + for h in range(N_HOSTS): + p_2k[IP].dst = self.pg1.remote_hosts[h].ip4 + p_1k[IP].dst = self.pg1.remote_hosts[h].ip4 + + # should frag to the path MTU + self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=3) + self.send_and_expect(self.pg0, [p_1k], self.pg1, n_rx=2) + + +class TestIPv4ItfRebind(VppTestCase): + """IPv4 Interface Bind w/ attached routes""" + + def setUp(self): + super(TestIPv4ItfRebind, self).setUp() + + self.create_pg_interfaces(range(3)) + + def tearDown(self): + super(TestIPv4ItfRebind, self).tearDown() + + def test_rebind(self): + """Import to no import""" + + TABLE_ID = 1 + tbl = VppIpTable(self, TABLE_ID).add_vpp_config() + self.pg1.set_table_ip4(TABLE_ID) + + for i in self.pg_interfaces: + i.admin_up() + i.config_ip4() + i.resolve_arp() + + # add an attached route via an pg0 + # in a different table. this prefix should import + rt = VppIpRoute( + self, + self.pg0.local_ip4, + 24, + [VppRoutePath("0.0.0.0", self.pg0.sw_if_index)], + table_id=TABLE_ID, + ).add_vpp_config() + + p = ( + Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) + / IP(src=self.pg1.remote_ip4, dst=self.pg0.remote_ip4) + / UDP(sport=1234, dport=5678) + / Raw(b"0xa" * 640) + ) + + rx = self.send_and_expect(self.pg1, [p], self.pg0) + self.assertFalse(rx[0].haslayer(ARP)) + + # then bind pg0 to a new table + # so the prefix no longer imports + self.pg0.unconfig_ip4() + self.pg0.set_table_ip4(TABLE_ID) + self.pg0.config_ip4() + self.pg0.resolve_arp() + + rx = self.send_and_expect(self.pg1, [p], self.pg0) + self.assertFalse(rx[0].haslayer(ARP)) + + # revert back to imported + self.pg0.unconfig_ip4() + self.pg0.set_table_ip4(0) + self.pg0.config_ip4() + self.pg0.resolve_arp() + + rx = self.send_and_expect(self.pg1, [p], self.pg0) + self.assertFalse(rx[0].haslayer(ARP)) + + # cleanup + for i in self.pg_interfaces: + i.unconfig_ip4() + i.set_table_ip4(0) + i.admin_down() + + rt.remove_vpp_config() + tbl.remove_vpp_config() + + def test_delete(self): + """Swap import tables""" + + TABLE_ID1 = 1 + tbl1_4 = VppIpTable(self, TABLE_ID1).add_vpp_config() + tbl1_6 = VppIpTable(self, TABLE_ID1, True).add_vpp_config() + TABLE_ID2 = 2 + tbl2_4 = VppIpTable(self, TABLE_ID2).add_vpp_config() + tbl2_6 = VppIpTable(self, TABLE_ID2, True).add_vpp_config() + + # table mappings + self.pg1.set_table_ip4(TABLE_ID1) + self.pg1.set_table_ip6(TABLE_ID1) + self.pg2.set_table_ip4(TABLE_ID2) + self.pg2.set_table_ip6(TABLE_ID2) + + for i in self.pg_interfaces: + i.admin_up() + i.config_ip4() + i.resolve_arp() + + # add an attached route in the default table via pg0 + # this should import to table 1 + rt4 = VppIpRoute( + self, + self.pg1.local_ip4, + 24, + [VppRoutePath("0.0.0.0", self.pg1.sw_if_index)], + ).add_vpp_config() + rt6 = VppIpRoute( + self, + self.pg1.local_ip6, + 64, + [VppRoutePath("0.0.0.0", self.pg1.sw_if_index)], + ).add_vpp_config() + + p1 = ( + Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) + / IP(src=self.pg1.remote_ip4, dst=self.pg1.remote_ip4) + / UDP(sport=1234, dport=5678) + / Raw(b"0xa" * 640) + ) + + # inject into table 0 + rx = self.send_and_expect(self.pg0, [p1], self.pg1) + self.assertFalse(rx[0].haslayer(ARP)) + + # swap the attached interface to table 2 + self.pg1.unconfig_ip4() + self.pg1.unconfig_ip6() + self.pg1.set_table_ip4(TABLE_ID2) + self.pg1.set_table_ip6(TABLE_ID2) + self.pg1.config_ip4() + self.pg1.config_ip6() + self.pg1.resolve_arp() + + # delete table 1 + tbl1_4.flush() + tbl1_6.flush() + tbl1_4.remove_vpp_config() + tbl1_6.remove_vpp_config() + + rx = self.send_and_expect(self.pg0, [p1], self.pg1) + self.assertFalse(rx[0].haslayer(ARP)) + + for i in self.pg_interfaces: + i.unconfig_ip4() + i.unconfig_ip6() + i.set_table_ip4(0) + i.set_table_ip6(0) + i.admin_down() -if __name__ == '__main__': +if __name__ == "__main__": unittest.main(testRunner=VppTestRunner)