X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_geneve.py;h=2b87303e71051e7ee7d4c598f748e7be5e324e93;hb=4941afb4f96a20df7dc8b6688f7921a3d713b77d;hp=d77bfbfcff1df1c5605eda6c4212801e1fec6332;hpb=cef1e2a8b49306fc1347d97b6d74255923292edf;p=vpp.git diff --git a/test/test_geneve.py b/test/test_geneve.py index d77bfbfcff1..2b87303e710 100644 --- a/test/test_geneve.py +++ b/test/test_geneve.py @@ -1,38 +1,42 @@ -#!/usr/bin/env python +#!/usr/bin/env python3 -import socket -from util import ip4n_range, ip4_range +from util import ip4_range import unittest -from framework import VppTestCase, VppTestRunner +from framework import VppTestCase +from asfframework import VppTestRunner from template_bd import BridgeDomain -from scapy.layers.l2 import Ether -from scapy.layers.inet import IP, UDP -from scapy.layers.geneve import GENEVE -from scapy.utils import atol +from scapy.layers.l2 import Ether, ARP +from scapy.layers.inet import IP, UDP, ICMP +from scapy.contrib.geneve import GENEVE + +import util +from vpp_ip_route import VppIpRoute, VppRoutePath +from vpp_ip import INVALID_INDEX class TestGeneve(BridgeDomain, VppTestCase): - """ GENEVE Test Case """ + """GENEVE Test Case""" def __init__(self, *args): BridgeDomain.__init__(self) VppTestCase.__init__(self, *args) def encapsulate(self, pkt, vni): - """ Encapsulate the original payload frame by adding GENEVE 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) / - GENEVE(vni=vni) / - pkt) + 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) + / GENEVE(vni=vni) + / pkt + ) def ip_range(self, start, end): - """ range of remote ip's """ + """range of remote ip's""" return ip4_range(self.pg0.remote_ip4, start, end) def encap_mcast(self, pkt, src_ip, src_mac, vni): @@ -40,11 +44,13 @@ class TestGeneve(BridgeDomain, VppTestCase): Encapsulate the original payload frame by adding GENEVE header with its UDP, IP and Ethernet fields """ - return (Ether(src=src_mac, dst=self.mcast_mac) / - IP(src=src_ip, dst=self.mcast_ip4) / - UDP(sport=self.dport, dport=self.dport, chksum=0) / - GENEVE(vni=vni) / - pkt) + return ( + Ether(src=src_mac, dst=self.mcast_mac) + / IP(src=src_ip, dst=self.mcast_ip4) + / UDP(sport=self.dport, dport=self.dport, chksum=0) + / GENEVE(vni=vni) + / pkt + ) def decapsulate(self, pkt): """ @@ -85,16 +91,21 @@ class TestGeneve(BridgeDomain, VppTestCase): # Create 10 ucast geneve tunnels under bd ip_range_start = 10 ip_range_end = ip_range_start + n_ucast_tunnels - next_hop_address = cls.pg0.remote_ip4n - for dest_ip4n in ip4n_range(next_hop_address, ip_range_start, - ip_range_end): - # add host route so dest_ip4n will not be resolved - cls.vapi.ip_add_del_route(dest_ip4n, 32, next_hop_address) + next_hop_address = cls.pg0.remote_ip4 + for dest_ip4 in ip4_range(next_hop_address, 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.geneve_add_del_tunnel( - local_addr=cls.pg0.local_ip4n, - remote_addr=dest_ip4n, - vni=vni) - cls.vapi.sw_interface_set_l2_bridge(r.sw_if_index, bd_id=vni) + local_address=cls.pg0.local_ip4, remote_address=dest_ip4, vni=vni + ) + cls.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index, bd_id=vni) @classmethod def add_del_shared_mcast_dst_load(cls, is_add): @@ -107,13 +118,14 @@ class TestGeneve(BridgeDomain, VppTestCase): vni_end = vni_start + n_shared_dst_tunnels for vni in range(vni_start, vni_end): r = cls.vapi.geneve_add_del_tunnel( - local_addr=cls.pg0.local_ip4n, - remote_addr=cls.mcast_ip4n, + local_address=cls.pg0.local_ip4, + remote_address=cls.mcast_ip4, mcast_sw_if_index=1, + is_add=is_add, vni=vni, - is_add=is_add) - if r.sw_if_index == 0xffffffff: - raise "bad sw_if_index" + ) + if r.sw_if_index == 0xFFFFFFFF: + raise ValueError("bad sw_if_index: ~0") @classmethod def add_shared_mcast_dst_load(cls): @@ -131,15 +143,15 @@ class TestGeneve(BridgeDomain, VppTestCase): n_distinct_dst_tunnels = 10 ip_range_start = 10 ip_range_end = ip_range_start + n_distinct_dst_tunnels - for dest_ip4n in ip4n_range(cls.mcast_ip4n, ip_range_start, - ip_range_end): - vni = bytearray(dest_ip4n)[3] + for dest_ip4 in ip4_range(cls.mcast_ip4, ip_range_start, ip_range_end): + vni = int(dest_ip4.split(".")[3]) cls.vapi.geneve_add_del_tunnel( - local_addr=cls.pg0.local_ip4n, - remote_addr=dest_ip4n, + local_address=cls.pg0.local_ip4, + remote_address=dest_ip4, mcast_sw_if_index=1, + is_add=is_add, vni=vni, - is_add=is_add) + ) @classmethod def add_mcast_tunnels_load(cls): @@ -173,38 +185,41 @@ class TestGeneve(BridgeDomain, VppTestCase): cls.pg0.resolve_arp() # Our Multicast address - cls.mcast_ip4 = '239.1.1.1' - cls.mcast_ip4n = socket.inet_pton(socket.AF_INET, cls.mcast_ip4) - iplong = atol(cls.mcast_ip4) - cls.mcast_mac = "01:00:5e:%02x:%02x:%02x" % ( - (iplong >> 16) & 0x7F, (iplong >> 8) & 0xFF, iplong & 0xFF) + cls.mcast_ip4 = "239.1.1.1" + cls.mcast_mac = util.mcast_ip_to_mac(cls.mcast_ip4) # Create GENEVE VTEP on VPP pg0, and put geneve_tunnel0 and pg1 # into BD. + cls.single_tunnel_vni = 0xABCDE cls.single_tunnel_bd = 1 r = cls.vapi.geneve_add_del_tunnel( - local_addr=cls.pg0.local_ip4n, - remote_addr=cls.pg0.remote_ip4n, - vni=cls.single_tunnel_bd) - cls.vapi.sw_interface_set_l2_bridge(r.sw_if_index, - bd_id=cls.single_tunnel_bd) - cls.vapi.sw_interface_set_l2_bridge(cls.pg1.sw_if_index, - bd_id=cls.single_tunnel_bd) + local_address=cls.pg0.local_ip4, + remote_address=cls.pg0.remote_ip4, + vni=cls.single_tunnel_vni, + ) + 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 = 10 cls.mcast_flood_bd = 2 - cls.create_geneve_flood_test_bd(cls.mcast_flood_bd, - cls.n_ucast_tunnels) + cls.create_geneve_flood_test_bd(cls.mcast_flood_bd, cls.n_ucast_tunnels) r = cls.vapi.geneve_add_del_tunnel( - local_addr=cls.pg0.local_ip4n, - remote_addr=cls.mcast_ip4n, + local_address=cls.pg0.local_ip4, + remote_address=cls.mcast_ip4, mcast_sw_if_index=1, - vni=cls.mcast_flood_bd) - cls.vapi.sw_interface_set_l2_bridge(r.sw_if_index, - bd_id=cls.mcast_flood_bd) - cls.vapi.sw_interface_set_l2_bridge(cls.pg2.sw_if_index, - bd_id=cls.mcast_flood_bd) + vni=cls.mcast_flood_bd, + ) + cls.vapi.sw_interface_set_l2_bridge( + rx_sw_if_index=r.sw_if_index, bd_id=cls.mcast_flood_bd + ) + cls.vapi.sw_interface_set_l2_bridge( + rx_sw_if_index=cls.pg2.sw_if_index, bd_id=cls.mcast_flood_bd + ) # Add and delete mcast tunnels to check stability cls.add_shared_mcast_dst_load() @@ -214,10 +229,10 @@ class TestGeneve(BridgeDomain, VppTestCase): # Setup vni 3 to test unicast flooding cls.ucast_flood_bd = 3 - cls.create_geneve_flood_test_bd(cls.ucast_flood_bd, - cls.n_ucast_tunnels) - cls.vapi.sw_interface_set_l2_bridge(cls.pg3.sw_if_index, - bd_id=cls.ucast_flood_bd) + cls.create_geneve_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(TestGeneve, cls).tearDownClass() raise @@ -227,12 +242,94 @@ class TestGeneve(BridgeDomain, VppTestCase): # @param self The object pointer. def tearDown(self): super(TestGeneve, self).tearDown() - if not self.vpp_dead: - self.logger.info(self.vapi.cli("show bridge-domain 1 detail")) - self.logger.info(self.vapi.cli("show bridge-domain 2 detail")) - self.logger.info(self.vapi.cli("show bridge-domain 3 detail")) - self.logger.info(self.vapi.cli("show geneve tunnel")) + + 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 2 detail")) + self.logger.info(self.vapi.cli("show bridge-domain 3 detail")) + self.logger.info(self.vapi.cli("show geneve tunnel")) + + +class TestGeneveL3(VppTestCase): + """GENEVE L3 Test Case""" + + @classmethod + def setUpClass(cls): + super(TestGeneveL3, cls).setUpClass() + try: + cls.create_pg_interfaces(range(2)) + cls.interfaces = list(cls.pg_interfaces) + + for i in cls.interfaces: + i.admin_up() + i.config_ip4() + i.resolve_arp() + except Exception: + super(TestGeneveL3, cls).tearDownClass() + raise + + @classmethod + def tearDownClass(cls): + super(TestGeneveL3, cls).tearDownClass() + + def tearDown(self): + super(TestGeneveL3, self).tearDown() + + def show_commands_at_teardown(self): + self.logger.info(self.vapi.cli("show geneve tunnel")) + self.logger.info(self.vapi.cli("show ip neighbor")) + + def test_l3_packet(self): + vni = 1234 + r = self.vapi.add_node_next( + node_name="geneve4-input", next_name="ethernet-input" + ) + r = self.vapi.geneve_add_del_tunnel2( + is_add=1, + local_address=self.pg0.local_ip4, + remote_address=self.pg0.remote_ip4, + vni=vni, + l3_mode=1, + decap_next_index=r.next_index, + ) + + self.vapi.sw_interface_add_del_address( + sw_if_index=r.sw_if_index, prefix="10.0.0.1/24" + ) + + pkt = ( + Ether(src=self.pg0.remote_mac, dst="d0:0b:ee:d0:00:00") + / IP(src="10.0.0.2", dst="10.0.0.1") + / ICMP() + ) + + encap = ( + Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) + / IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) + / UDP(sport=6081, dport=6081, chksum=0) + / GENEVE(vni=vni) + ) + + arp = Ether(src=self.pg0.remote_mac, dst="d0:0b:ee:d0:00:00") / ARP( + op="is-at", + hwsrc=self.pg0.remote_mac, + hwdst="d0:0b:ee:d0:00:00", + psrc="10.0.0.2", + pdst="10.0.0.1", + ) + + rx = self.send_and_expect(self.pg0, encap / pkt * 1, self.pg0) + rx = self.send_and_assert_no_replies(self.pg0, encap / arp * 1, self.pg0) + rx = self.send_and_expect(self.pg0, encap / pkt * 1, self.pg0) + self.assertEqual(rx[0][ICMP].type, 0) # echo reply + + r = self.vapi.geneve_add_del_tunnel2( + is_add=0, + local_address=self.pg0.local_ip4, + remote_address=self.pg0.remote_ip4, + vni=vni, + ) -if __name__ == '__main__': +if __name__ == "__main__": unittest.main(testRunner=VppTestRunner)