+ #
+ # Routes via each UDP encap object - all combinations of v4 and v6.
+ #
+ route_4o4 = VppIpRoute(
+ self,
+ "1.1.0.1",
+ 24,
+ [
+ VppRoutePath(
+ "0.0.0.0",
+ 0xFFFFFFFF,
+ type=FibPathType.FIB_PATH_TYPE_UDP_ENCAP,
+ next_hop_id=udp_encap_0.id,
+ proto=FibPathProto.FIB_PATH_NH_PROTO_IP4,
+ )
+ ],
+ table_id=1,
+ )
+ route_4o6 = VppIpRoute(
+ self,
+ "1.1.2.1",
+ 32,
+ [
+ VppRoutePath(
+ "0.0.0.0",
+ 0xFFFFFFFF,
+ type=FibPathType.FIB_PATH_TYPE_UDP_ENCAP,
+ next_hop_id=udp_encap_2.id,
+ proto=FibPathProto.FIB_PATH_NH_PROTO_IP4,
+ )
+ ],
+ )
+ route_6o4 = VppIpRoute(
+ self,
+ "2001::1",
+ 128,
+ [
+ VppRoutePath(
+ "0.0.0.0",
+ 0xFFFFFFFF,
+ type=FibPathType.FIB_PATH_TYPE_UDP_ENCAP,
+ next_hop_id=udp_encap_1.id,
+ proto=FibPathProto.FIB_PATH_NH_PROTO_IP6,
+ )
+ ],
+ )
+ route_6o6 = VppIpRoute(
+ self,
+ "2001::3",
+ 128,
+ [
+ VppRoutePath(
+ "0.0.0.0",
+ 0xFFFFFFFF,
+ type=FibPathType.FIB_PATH_TYPE_UDP_ENCAP,
+ next_hop_id=udp_encap_3.id,
+ proto=FibPathProto.FIB_PATH_NH_PROTO_IP6,
+ )
+ ],
+ )
+ route_4o4.add_vpp_config()
+ route_4o6.add_vpp_config()
+ route_6o6.add_vpp_config()
+ route_6o4.add_vpp_config()
+
+ #
+ # 4o4 encap
+ #
+ p_4o4 = []
+ for i in range(NUM_PKTS):
+ p_4o4.append(
+ Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac)
+ / IP(src="2.2.2.2", dst="1.1.0.1")
+ / UDP(sport=1234 + i, dport=1234)
+ / Raw(b"\xa5" * 100)
+ )
+ rx = self.send_and_expect(self.pg1, p_4o4, self.pg0)
+ sports = set()
+ for i, p in enumerate(rx):
+ self.validate_outer4(p, udp_encap_0, True)
+ sports.add(p["UDP"].sport)
+ p = IP(p["UDP"].payload.load)
+ self.validate_inner4(p, p_4o4[i])
+ self.assertEqual(udp_encap_0.get_stats()["packets"], NUM_PKTS)
+ self.assertGreater(
+ len(sports), 1, "source port {} is not an entropy value".format(sports)
+ )
+
+ #
+ # 4o6 encap
+ #
+ p_4o6 = []
+ for i in range(NUM_PKTS):
+ p_4o6.append(
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IP(src="2.2.2.2", dst="1.1.2.1")
+ / UDP(sport=1234 + i, dport=1234)
+ / Raw(b"\xa5" * 100)
+ )
+ rx = self.send_and_expect(self.pg0, p_4o6, self.pg2)
+ sports = set()
+ for p in rx:
+ self.validate_outer6(p, udp_encap_2, True)
+ sports.add(p["UDP"].sport)
+ p = IP(p["UDP"].payload.load)
+ self.validate_inner4(p, p_4o6[i])
+ self.assertEqual(udp_encap_2.get_stats()["packets"], NUM_PKTS)
+ self.assertGreater(
+ len(sports), 1, "source port {} is not an entropy value".format(sports)
+ )
+
+ #
+ # 6o4 encap
+ #
+ p_6o4 = []
+ for i in range(NUM_PKTS):
+ p_6o4.append(
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IPv6(src="2001::100", dst="2001::1")
+ / UDP(sport=1234 + i, dport=1234)
+ / Raw(b"\xa5" * 100)
+ )
+ rx = self.send_and_expect(self.pg0, p_6o4, self.pg1)
+ sports = set()
+ for p in rx:
+ self.validate_outer4(p, udp_encap_1, True)
+ sports.add(p["UDP"].sport)
+ p = IPv6(p["UDP"].payload.load)
+ self.validate_inner6(p, p_6o4[i])
+ self.assertEqual(udp_encap_1.get_stats()["packets"], NUM_PKTS)
+ self.assertGreater(
+ len(sports), 1, "source port {} is not an entropy value".format(sports)
+ )
+
+ #
+ # 6o6 encap
+ #
+ p_6o6 = []
+ for i in range(NUM_PKTS):
+ p_6o6.append(
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IPv6(src="2001::100", dst="2001::3")
+ / UDP(sport=1234 + i, dport=1234)
+ / Raw(b"\xa5" * 100)
+ )
+ rx = self.send_and_expect(self.pg0, p_6o6, self.pg3)
+ sports = set()
+ for p in rx:
+ self.validate_outer6(p, udp_encap_3, True)
+ sports.add(p["UDP"].sport)
+ p = IPv6(p["UDP"].payload.load)
+ self.validate_inner6(p, p_6o6[i])
+ self.assertEqual(udp_encap_3.get_stats()["packets"], NUM_PKTS)
+ self.assertGreater(
+ len(sports), 1, "source port {} is not an entropy value".format(sports)
+ )
+
+ 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