diff options
Diffstat (limited to 'src/vnet/vxlan/test/test_vxlan_gbp.py')
| -rw-r--r-- | src/vnet/vxlan/test/test_vxlan_gbp.py | 293 |
1 files changed, 0 insertions, 293 deletions
diff --git a/src/vnet/vxlan/test/test_vxlan_gbp.py b/src/vnet/vxlan/test/test_vxlan_gbp.py deleted file mode 100644 index f332aced7d8..00000000000 --- a/src/vnet/vxlan/test/test_vxlan_gbp.py +++ /dev/null @@ -1,293 +0,0 @@ -#!/usr/bin/env python3 - -import socket -from util import ip4_range, reassemble4_ether -import unittest -from framework import VppTestCase, VppTestRunner -from template_bd import BridgeDomain - -from scapy.layers.l2 import Ether -from scapy.packet import Raw -from scapy.layers.inet import IP, UDP -from scapy.layers.vxlan import VXLAN - -from vpp_ip_route import VppIpRoute, VppRoutePath -from vpp_ip import INVALID_INDEX - - -class TestVxlanGbp(VppTestCase): - """ VXLAN GBP Test Case """ - - @property - def frame_request(self): - """ Ethernet frame modeling a generic request """ - return (Ether(src='00:00:00:00:00:01', dst='00:00:00:00:00:02') / - IP(src='1.2.3.4', dst='4.3.2.1') / - UDP(sport=10000, dport=20000) / - Raw(b'\xa5' * 100)) - - @property - def frame_reply(self): - """ Ethernet frame modeling a generic reply """ - return (Ether(src='00:00:00:00:00:02', dst='00:00:00:00:00:01') / - IP(src='4.3.2.1', dst='1.2.3.4') / - UDP(sport=20000, dport=10000) / - Raw(b'\xa5' * 100)) - - def encapsulate(self, pkt, vni): - """ - Encapsulate the original payload frame by adding VXLAN GBP header with - its UDP, IP and Ethernet fields - """ - return (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / - IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) / - UDP(sport=self.dport, dport=self.dport, chksum=0) / - VXLAN(vni=vni, flags=self.flags, gpflags=self.gpflags, - gpid=self.sclass) / pkt) - - def ip_range(self, start, end): - """ range of remote ip's """ - return ip4_range(self.pg0.remote_ip4, start, end) - - def decapsulate(self, pkt): - """ - Decapsulate the original payload frame by removing VXLAN header - """ - # check if is set G and I flag - self.assertEqual(pkt[VXLAN].flags, int('0x88', 16)) - return pkt[VXLAN].payload - - # Method for checking VXLAN GBP encapsulation. - # - def check_encapsulation(self, pkt, vni, local_only=False, mcast_pkt=False): - # TODO: add error messages - # Verify source MAC is VPP_MAC and destination MAC is MY_MAC resolved - # by VPP using ARP. - self.assertEqual(pkt[Ether].src, self.pg0.local_mac) - if not local_only: - if not mcast_pkt: - self.assertEqual(pkt[Ether].dst, self.pg0.remote_mac) - else: - self.assertEqual(pkt[Ether].dst, type(self).mcast_mac) - # Verify VXLAN GBP tunnel source IP is VPP_IP and destination IP is - # MY_IP. - self.assertEqual(pkt[IP].src, self.pg0.local_ip4) - if not local_only: - if not mcast_pkt: - self.assertEqual(pkt[IP].dst, self.pg0.remote_ip4) - else: - self.assertEqual(pkt[IP].dst, type(self).mcast_ip4) - # Verify UDP destination port is VXLAN GBP 48879, source UDP port could - # be arbitrary. - self.assertEqual(pkt[UDP].dport, type(self).dport) - # Verify UDP checksum - self.assert_udp_checksum_valid(pkt) - # Verify VNI - # pkt.show() - self.assertEqual(pkt[VXLAN].vni, vni) - # Verify Source Class - self.assertEqual(pkt[VXLAN].gpid, 0) - - @classmethod - def create_vxlan_gbp_flood_test_bd(cls, vni, n_ucast_tunnels): - # Create 2 ucast vxlan tunnels under bd - ip_range_start = 10 - ip_range_end = ip_range_start + n_ucast_tunnels - next_hop_address = cls.pg0.remote_ip4 - for dest_ip4 in ip4_range(cls.pg0.remote_ip4, - ip_range_start, - ip_range_end): - # add host route so dest_ip4 will not be resolved - rip = VppIpRoute(cls, dest_ip4, 32, - [VppRoutePath(next_hop_address, - INVALID_INDEX)], - register=False) - rip.add_vpp_config() - r = cls.vapi.vxlan_gbp_tunnel_add_del( - tunnel={ - 'src': cls.pg0.local_ip4, - 'dst': dest_ip4, - 'vni': vni, - 'instance': INVALID_INDEX, - 'mcast_sw_if_index': INVALID_INDEX, - 'mode': 1, - }, - is_add=1 - ) - cls.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index, - bd_id=vni) - - # Class method to start the VXLAN GBP test case. - # Overrides setUpClass method in VppTestCase class. - # Python try..except statement is used to ensure that the tear down of - # the class will be executed even if exception is raised. - # @param cls The class pointer. - @classmethod - def setUpClass(cls): - super(TestVxlanGbp, cls).setUpClass() - - try: - cls.dport = 48879 - cls.flags = 0x88 - cls.gpflags = 0x0 - cls.sclass = 0 - - # Create 2 pg interfaces. - cls.create_pg_interfaces(range(4)) - for pg in cls.pg_interfaces: - pg.admin_up() - - # Configure IPv4 addresses on VPP pg0. - cls.pg0.config_ip4() - - # Resolve MAC address for VPP's IP address on pg0. - cls.pg0.resolve_arp() - - # Create VXLAN GBP VTEP on VPP pg0, and put vxlan_gbp_tunnel0 and - # pg1 into BD. - cls.single_tunnel_bd = 1 - cls.single_tunnel_vni = 0xabcde - r = cls.vapi.vxlan_gbp_tunnel_add_del( - tunnel={ - 'src': cls.pg0.local_ip4, - 'dst': cls.pg0.remote_ip4, - 'vni': cls.single_tunnel_vni, - 'instance': INVALID_INDEX, - 'mcast_sw_if_index': INVALID_INDEX, - 'mode': 1, - }, - is_add=1 - ) - cls.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index, - bd_id=cls.single_tunnel_bd) - cls.vapi.sw_interface_set_l2_bridge( - rx_sw_if_index=cls.pg1.sw_if_index, - bd_id=cls.single_tunnel_bd) - - # Setup vni 2 to test multicast flooding - cls.n_ucast_tunnels = 2 - # Setup vni 3 to test unicast flooding - cls.ucast_flood_bd = 3 - cls.create_vxlan_gbp_flood_test_bd(cls.ucast_flood_bd, - cls.n_ucast_tunnels) - cls.vapi.sw_interface_set_l2_bridge( - rx_sw_if_index=cls.pg3.sw_if_index, - bd_id=cls.ucast_flood_bd) - except Exception: - super(TestVxlanGbp, cls).tearDownClass() - raise - - @classmethod - def tearDownClass(cls): - super(TestVxlanGbp, cls).tearDownClass() - - def assert_eq_pkts(self, pkt1, pkt2): - """ Verify the Ether, IP, UDP, payload are equal in both - packets - """ - self.assertEqual(pkt1[Ether].src, pkt2[Ether].src) - self.assertEqual(pkt1[Ether].dst, pkt2[Ether].dst) - self.assertEqual(pkt1[IP].src, pkt2[IP].src) - self.assertEqual(pkt1[IP].dst, pkt2[IP].dst) - self.assertEqual(pkt1[UDP].sport, pkt2[UDP].sport) - self.assertEqual(pkt1[UDP].dport, pkt2[UDP].dport) - self.assertEqual(pkt1[Raw], pkt2[Raw]) - - def test_decap(self): - """ Decapsulation test - Send encapsulated frames from pg0 - Verify receipt of decapsulated frames on pg1 - """ - encapsulated_pkt = self.encapsulate(self.frame_request, - self.single_tunnel_vni) - - self.pg0.add_stream([encapsulated_pkt, ]) - - self.pg1.enable_capture() - - self.pg_start() - - # Pick first received frame and check if it's the non-encapsulated - # frame - out = self.pg1.get_capture(1) - pkt = out[0] - self.assert_eq_pkts(pkt, self.frame_request) - - def test_encap(self): - """ Encapsulation test - Send frames from pg1 - Verify receipt of encapsulated frames on pg0 - """ - self.pg1.add_stream([self.frame_reply]) - - self.pg0.enable_capture() - - self.pg_start() - - # Pick first received frame and check if it's correctly encapsulated. - out = self.pg0.get_capture(1) - pkt = out[0] - self.check_encapsulation(pkt, self.single_tunnel_vni) - - payload = self.decapsulate(pkt) - self.assert_eq_pkts(payload, self.frame_reply) - - def test_ucast_flood(self): - """ Unicast flood test - Send frames from pg3 - Verify receipt of encapsulated frames on pg0 - """ - self.pg3.add_stream([self.frame_reply]) - - self.pg0.enable_capture() - - self.pg_start() - - # Get packet from each tunnel and assert it's correctly encapsulated. - out = self.pg0.get_capture(self.n_ucast_tunnels) - for pkt in out: - self.check_encapsulation(pkt, self.ucast_flood_bd, True) - payload = self.decapsulate(pkt) - self.assert_eq_pkts(payload, self.frame_reply) - - def test_encap_big_packet(self): - """ Encapsulation test send big frame from pg1 - Verify receipt of encapsulated frames on pg0 - """ - - self.vapi.sw_interface_set_mtu(self.pg0.sw_if_index, [1500, 0, 0, 0]) - - frame = (Ether(src='00:00:00:00:00:02', dst='00:00:00:00:00:01') / - IP(src='4.3.2.1', dst='1.2.3.4') / - UDP(sport=20000, dport=10000) / - Raw(b'\xa5' * 1450)) - - self.pg1.add_stream([frame]) - - self.pg0.enable_capture() - - self.pg_start() - - # Pick first received frame and check if it's correctly encapsulated. - out = self.pg0.get_capture(2) - pkt = reassemble4_ether(out) - self.check_encapsulation(pkt, self.single_tunnel_vni) - - payload = self.decapsulate(pkt) - self.assert_eq_pkts(payload, frame) - -# Method to define VPP actions before tear down of the test case. -# Overrides tearDown method in VppTestCase class. -# @param self The object pointer. - def tearDown(self): - super(TestVxlanGbp, self).tearDown() - - def show_commands_at_teardown(self): - self.logger.info(self.vapi.cli("show bridge-domain 1 detail")) - self.logger.info(self.vapi.cli("show bridge-domain 3 detail")) - self.logger.info(self.vapi.cli("show vxlan-gbp tunnel")) - self.logger.info(self.vapi.cli("show error")) - - -if __name__ == '__main__': - unittest.main(testRunner=VppTestRunner) |