diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/test_udp.py | 148 | ||||
| -rw-r--r-- | test/vpp_udp_decap.py | 35 |
2 files changed, 179 insertions, 4 deletions
diff --git a/test/test_udp.py b/test/test_udp.py index 03a0812a342..3281c0d9df6 100644 --- a/test/test_udp.py +++ b/test/test_udp.py @@ -4,12 +4,15 @@ from framework import tag_fixme_vpp_workers from framework import VppTestCase, VppTestRunner from vpp_udp_encap import find_udp_encap, VppUdpEncap +from vpp_udp_decap import VppUdpDecap from vpp_ip_route import VppIpRoute, VppRoutePath, VppIpTable, VppMplsLabel, \ - FibPathType + VppMplsTable, VppMplsRoute, FibPathType, FibPathProto +from vpp_neighbor import VppNeighbor +from vpp_papi import VppEnum from scapy.packet import Raw from scapy.layers.l2 import Ether -from scapy.layers.inet import IP, UDP +from scapy.layers.inet import IP, UDP, ICMP from scapy.layers.inet6 import IPv6 from scapy.contrib.mpls import MPLS @@ -87,10 +90,13 @@ class TestUdpEncap(VppTestCase): else: self.assertEqual(rx[IP].ttl, tx[IP].ttl) - def validate_inner6(self, rx, tx): + def validate_inner6(self, rx, tx, hlim=None): self.assertEqual(rx.src, tx[IPv6].src) self.assertEqual(rx.dst, tx[IPv6].dst) - self.assertEqual(rx.hlim, tx[IPv6].hlim) + if hlim: + self.assertEqual(rx.hlim, hlim) + else: + self.assertEqual(rx.hlim, tx[IPv6].hlim) def test_udp_encap(self): """ UDP Encap test @@ -248,6 +254,140 @@ class TestUdpEncap(VppTestCase): self.validate_inner4(p, p_4omo4, ttl=63) self.assertEqual(udp_encap_1.get_stats()['packets'], 2*NUM_PKTS) + def test_udp_decap(self): + """ UDP Decap test + """ + # + # construct a UDP decap object for each type of protocol + # + + # IPv4 + udp_api_proto = VppEnum.vl_api_udp_decap_next_proto_t + next_proto = udp_api_proto.UDP_API_DECAP_PROTO_IP4 + udp_decap_0 = VppUdpDecap(self, 1, 220, next_proto) + + # IPv6 + next_proto = udp_api_proto.UDP_API_DECAP_PROTO_IP6 + udp_decap_1 = VppUdpDecap(self, 0, 221, next_proto) + + # MPLS + next_proto = udp_api_proto.UDP_API_DECAP_PROTO_MPLS + udp_decap_2 = VppUdpDecap(self, 1, 222, next_proto) + + udp_decap_0.add_vpp_config() + udp_decap_1.add_vpp_config() + udp_decap_2.add_vpp_config() + + # + # Routes via the corresponding pg after the UDP decap + # + route_4 = VppIpRoute( + self, "1.1.1.1", 32, + [VppRoutePath("0.0.0.0", self.pg0.sw_if_index)], + table_id=0) + + route_6 = VppIpRoute( + self, "2001::1", 128, + [VppRoutePath("::", self.pg1.sw_if_index)], + table_id=1) + + route_mo4 = VppIpRoute( + self, "3.3.3.3", 32, + [VppRoutePath("0.0.0.0", self.pg2.sw_if_index)], + table_id=2) + + route_4.add_vpp_config() + route_6.add_vpp_config() + route_mo4.add_vpp_config() + + # + # Adding neighbors to route the packets + # + n_4 = VppNeighbor(self, + self.pg0.sw_if_index, + "00:11:22:33:44:55", + "1.1.1.1") + n_6 = VppNeighbor(self, + self.pg1.sw_if_index, + "11:22:33:44:55:66", + "2001::1") + n_mo4 = VppNeighbor(self, + self.pg2.sw_if_index, + "22:33:44:55:66:77", + "3.3.3.3") + + n_4.add_vpp_config() + n_6.add_vpp_config() + n_mo4.add_vpp_config() + + # + # MPLS decapsulation config + # + mpls_table = VppMplsTable(self, 0) + mpls_table.add_vpp_config() + mpls_route = VppMplsRoute( + self, 77, 1, + [VppRoutePath("0.0.0.0", + 0xFFFFFFFF, + nh_table_id=2, + proto=FibPathProto.FIB_PATH_NH_PROTO_IP4)]) + mpls_route.add_vpp_config() + + # + # UDP over ipv4 decap + # + p_4 = (Ether(src=self.pg0.remote_mac, + dst=self.pg0.local_mac) / + IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) / + UDP(sport=1111, dport=220) / + IP(src="2.2.2.2", dst="1.1.1.1") / + UDP(sport=1234, dport=4321) / + Raw(b'\xa5' * 100)) + + rx = self.send_and_expect(self.pg0, p_4*NUM_PKTS, self.pg0) + p_4 = IP(p_4["UDP"].payload) + for p in rx: + p = IP(p["Ether"].payload) + self.validate_inner4(p, p_4, ttl=63) + + # + # UDP over ipv6 decap + # + p_6 = (Ether(src=self.pg1.remote_mac, + dst=self.pg1.local_mac) / + IPv6(src=self.pg1.remote_ip6, dst=self.pg1.local_ip6) / + UDP(sport=2222, dport=221) / + IPv6(src="2001::100", dst="2001::1") / + UDP(sport=1234, dport=4321) / + Raw(b'\xa5' * 100)) + + rx = self.send_and_expect(self.pg1, p_6*NUM_PKTS, self.pg1) + p_6 = IPv6(p_6["UDP"].payload) + p = IPv6(rx[0]["Ether"].payload) + for p in rx: + p = IPv6(p["Ether"].payload) + self.validate_inner6(p, p_6, hlim=63) + + # + # UDP over mpls decap + # + p_mo4 = (Ether(src=self.pg2.remote_mac, + dst=self.pg2.local_mac) / + IP(src=self.pg2.remote_ip4, dst=self.pg2.local_ip4) / + UDP(sport=3333, dport=222) / + MPLS(label=77, ttl=1) / + IP(src="4.4.4.4", dst="3.3.3.3") / + UDP(sport=1234, dport=4321) / + Raw(b'\xa5' * 100)) + + self.pg2.enable_mpls() + rx = self.send_and_expect(self.pg2, p_mo4*NUM_PKTS, self.pg2) + self.pg2.disable_mpls() + p_mo4 = IP(MPLS(p_mo4["UDP"].payload).payload) + for p in rx: + p = IP(p["Ether"].payload) + self.validate_inner4(p, p_mo4, ttl=63) + @tag_fixme_vpp_workers class TestUDP(VppTestCase): diff --git a/test/vpp_udp_decap.py b/test/vpp_udp_decap.py new file mode 100644 index 00000000000..2bd03ce75c0 --- /dev/null +++ b/test/vpp_udp_decap.py @@ -0,0 +1,35 @@ +#!/usr/bin/env python3 +""" + UDP decap objects +""" + +from vpp_object import VppObject +from socket import inet_pton, inet_ntop, AF_INET, AF_INET6 + + +class VppUdpDecap(VppObject): + + def __init__(self, + test, + is_ip4, + dst_port, + next_proto): + self._test = test + self.active = False + self.udp_decap = { + 'is_ip4': is_ip4, + 'port': dst_port, + 'next_proto': next_proto + } + + def add_vpp_config(self): + self._test.vapi.udp_decap_add_del(True, self.udp_decap) + self._test.registry.register(self, self._test.logger) + self.active = True + + def query_vpp_config(self): + return self.active + + def remove_vpp_config(self): + self._test.vapi.udp_decap_add_del(False, self.udp_decap) + self.active = False |