Andrew Yourtchenko | e3d5280 | 2017-03-24 17:46:42 +0100 | [diff] [blame] | 1 | import socket |
| 2 | |
| 3 | from scapy.layers.inet import IP, UDP, ICMP |
| 4 | from scapy.layers.inet6 import IPv6 |
| 5 | from scapy.layers.l2 import Ether, GRE |
| 6 | from scapy.packet import Raw |
| 7 | |
| 8 | from framework import VppTestCase |
| 9 | from util import ppp |
Július Milan | 98874cd | 2021-02-16 19:20:47 +0100 | [diff] [blame^] | 10 | from vpp_ip_route import VppIpInterfaceAddress, VppIpRoute, VppRoutePath |
Neale Ranns | e2fe097 | 2020-11-26 08:37:27 +0000 | [diff] [blame] | 11 | from vpp_neighbor import VppNeighbor |
Andrew Yourtchenko | e3d5280 | 2017-03-24 17:46:42 +0100 | [diff] [blame] | 12 | |
| 13 | """ TestPing is a subclass of VPPTestCase classes. |
| 14 | |
| 15 | Basic test for sanity check of the ping. |
| 16 | |
| 17 | """ |
| 18 | |
| 19 | |
| 20 | class TestPing(VppTestCase): |
| 21 | """ Ping Test Case """ |
| 22 | |
| 23 | @classmethod |
| 24 | def setUpClass(cls): |
| 25 | super(TestPing, cls).setUpClass() |
| 26 | try: |
| 27 | cls.create_pg_interfaces(range(2)) |
| 28 | cls.interfaces = list(cls.pg_interfaces) |
| 29 | |
| 30 | for i in cls.interfaces: |
| 31 | i.admin_up() |
| 32 | i.config_ip4() |
| 33 | i.config_ip6() |
| 34 | i.disable_ipv6_ra() |
| 35 | i.resolve_arp() |
| 36 | i.resolve_ndp() |
| 37 | except Exception: |
| 38 | super(TestPing, cls).tearDownClass() |
| 39 | raise |
| 40 | |
Paul Vinciguerra | 7f9b7f9 | 2019-03-12 19:23:27 -0700 | [diff] [blame] | 41 | @classmethod |
| 42 | def tearDownClass(cls): |
| 43 | super(TestPing, cls).tearDownClass() |
| 44 | |
Andrew Yourtchenko | e3d5280 | 2017-03-24 17:46:42 +0100 | [diff] [blame] | 45 | def tearDown(self): |
| 46 | super(TestPing, self).tearDown() |
Paul Vinciguerra | 90cf21b | 2019-03-13 09:23:05 -0700 | [diff] [blame] | 47 | |
| 48 | def show_commands_at_teardown(self): |
| 49 | self.logger.info(self.vapi.cli("show hardware")) |
Andrew Yourtchenko | e3d5280 | 2017-03-24 17:46:42 +0100 | [diff] [blame] | 50 | |
Neale Ranns | e2fe097 | 2020-11-26 08:37:27 +0000 | [diff] [blame] | 51 | def verify_ping_request(self, p, src, dst, seq): |
| 52 | ip = p[IP] |
| 53 | self.assertEqual(ip.version, 4) |
| 54 | self.assertEqual(ip.flags, 0) |
| 55 | self.assertEqual(ip.src, src) |
| 56 | self.assertEqual(ip.dst, dst) |
| 57 | self.assertEqual(ip.proto, 1) |
| 58 | self.assertEqual(len(ip.options), 0) |
| 59 | self.assertGreaterEqual(ip.ttl, 254) |
| 60 | icmp = p[ICMP] |
| 61 | self.assertEqual(icmp.type, 8) |
| 62 | self.assertEqual(icmp.code, 0) |
| 63 | self.assertEqual(icmp.seq, seq) |
| 64 | return icmp |
| 65 | |
Andrew Yourtchenko | e3d5280 | 2017-03-24 17:46:42 +0100 | [diff] [blame] | 66 | def test_ping_basic(self): |
| 67 | """ basic ping test """ |
| 68 | try: |
| 69 | self.pg_enable_capture(self.pg_interfaces) |
| 70 | self.pg_start() |
Neale Ranns | cbe25aa | 2019-09-30 10:53:31 +0000 | [diff] [blame] | 71 | self.logger.info(self.vapi.cli("show ip4 neighbors")) |
Andrew Yourtchenko | e3d5280 | 2017-03-24 17:46:42 +0100 | [diff] [blame] | 72 | self.logger.info(self.vapi.cli("show ip6 neighbors")) |
| 73 | |
| 74 | remote_ip4 = self.pg1.remote_ip4 |
| 75 | ping_cmd = "ping " + remote_ip4 + " interval 0.01 repeat 10" |
| 76 | ret = self.vapi.cli(ping_cmd) |
| 77 | self.logger.info(ret) |
| 78 | out = self.pg1.get_capture(10) |
| 79 | icmp_id = None |
| 80 | icmp_seq = 1 |
| 81 | for p in out: |
Neale Ranns | e2fe097 | 2020-11-26 08:37:27 +0000 | [diff] [blame] | 82 | icmp = self.verify_ping_request(p, self.pg1.local_ip4, |
| 83 | self.pg1.remote_ip4, icmp_seq) |
Andrew Yourtchenko | e3d5280 | 2017-03-24 17:46:42 +0100 | [diff] [blame] | 84 | icmp_seq = icmp_seq + 1 |
| 85 | if icmp_id is None: |
| 86 | icmp_id = icmp.id |
| 87 | else: |
| 88 | self.assertEqual(icmp.id, icmp_id) |
| 89 | finally: |
| 90 | self.vapi.cli("show error") |
| 91 | |
| 92 | def test_ping_burst(self): |
| 93 | """ burst ping test """ |
| 94 | try: |
| 95 | self.pg_enable_capture(self.pg_interfaces) |
| 96 | self.pg_start() |
Neale Ranns | cbe25aa | 2019-09-30 10:53:31 +0000 | [diff] [blame] | 97 | self.logger.info(self.vapi.cli("show ip neighbors")) |
Andrew Yourtchenko | e3d5280 | 2017-03-24 17:46:42 +0100 | [diff] [blame] | 98 | |
| 99 | remote_ip4 = self.pg1.remote_ip4 |
| 100 | ping_cmd = "ping " + remote_ip4 + " interval 0.01 burst 3" |
| 101 | ret = self.vapi.cli(ping_cmd) |
| 102 | self.logger.info(ret) |
| 103 | out = self.pg1.get_capture(3*5) |
| 104 | icmp_id = None |
| 105 | icmp_seq = 1 |
| 106 | count = 0 |
| 107 | for p in out: |
Neale Ranns | e2fe097 | 2020-11-26 08:37:27 +0000 | [diff] [blame] | 108 | icmp = self.verify_ping_request(p, self.pg1.local_ip4, |
| 109 | self.pg1.remote_ip4, icmp_seq) |
Andrew Yourtchenko | e3d5280 | 2017-03-24 17:46:42 +0100 | [diff] [blame] | 110 | count = count + 1 |
| 111 | if count >= 3: |
| 112 | icmp_seq = icmp_seq + 1 |
| 113 | count = 0 |
| 114 | if icmp_id is None: |
| 115 | icmp_id = icmp.id |
| 116 | else: |
| 117 | self.assertEqual(icmp.id, icmp_id) |
| 118 | finally: |
| 119 | self.vapi.cli("show error") |
Neale Ranns | e2fe097 | 2020-11-26 08:37:27 +0000 | [diff] [blame] | 120 | |
| 121 | def test_ping_src(self): |
| 122 | """ ping with source address set """ |
| 123 | |
| 124 | self.pg_enable_capture(self.pg_interfaces) |
| 125 | self.pg_start() |
| 126 | self.logger.info(self.vapi.cli("show ip4 neighbors")) |
| 127 | self.logger.info(self.vapi.cli("show ip6 neighbors")) |
| 128 | |
| 129 | nbr_addr = "10.0.0.2" |
| 130 | VppIpInterfaceAddress(self, self.pg1, "10.0.0.1", 24).add_vpp_config() |
| 131 | VppNeighbor(self, self.pg1.sw_if_index, |
| 132 | "00:11:22:33:44:55", |
| 133 | nbr_addr).add_vpp_config() |
| 134 | |
| 135 | ping_cmd = "ping %s interval 0.01 repeat 3" % self.pg1.remote_ip4 |
| 136 | ret = self.vapi.cli(ping_cmd) |
| 137 | out = self.pg1.get_capture(3) |
| 138 | icmp_seq = 1 |
| 139 | for p in out: |
| 140 | icmp = self.verify_ping_request(p, self.pg1.local_ip4, |
| 141 | self.pg1.remote_ip4, icmp_seq) |
| 142 | icmp_seq = icmp_seq + 1 |
| 143 | |
| 144 | self.pg_enable_capture(self.pg_interfaces) |
| 145 | self.pg_start() |
| 146 | ping_cmd = "ping %s interval 0.01 repeat 3" % nbr_addr |
| 147 | ret = self.vapi.cli(ping_cmd) |
| 148 | out = self.pg1.get_capture(3) |
| 149 | icmp_seq = 1 |
| 150 | for p in out: |
| 151 | icmp = self.verify_ping_request(p, "10.0.0.1", nbr_addr, icmp_seq) |
| 152 | icmp_seq = icmp_seq + 1 |
Július Milan | 98874cd | 2021-02-16 19:20:47 +0100 | [diff] [blame^] | 153 | |
| 154 | def test_ping_fib_routed_dst(self): |
| 155 | """ ping destination routed according to FIB table """ |
| 156 | |
| 157 | try: |
| 158 | self.pg1.generate_remote_hosts(1) |
| 159 | self.pg_enable_capture(self.pg_interfaces) |
| 160 | self.pg_start() |
| 161 | routed_dst = "10.0.2.0" |
| 162 | self.logger.info(self.vapi.cli("show ip4 neighbors")) |
| 163 | VppIpRoute(self, routed_dst, 24, |
| 164 | [VppRoutePath(self.pg1.remote_hosts[0].ip4, |
| 165 | self.pg1.sw_if_index)]).add_vpp_config() |
| 166 | ping_cmd = "ping %s interval 0.01 repeat 3" % routed_dst |
| 167 | ret = self.vapi.cli(ping_cmd) |
| 168 | self.logger.info(ret) |
| 169 | out = self.pg1.get_capture(3) |
| 170 | icmp_seq = 1 |
| 171 | for p in out: |
| 172 | self.verify_ping_request(p, self.pg1.local_ip4, routed_dst, |
| 173 | icmp_seq) |
| 174 | icmp_seq = icmp_seq + 1 |
| 175 | finally: |
| 176 | self.vapi.cli("show error") |