Added autotest for random source address in route tunnel

autotest/units/001_one_port/076_rfc_5549_route/autotest.yaml

@@ -13,4 +13,6 @@ steps:
   - port: kni0
     send: 001-send.pcap
     expect: 001-expect.pcap
-
+- cli:
+  - rib static remove default 1.0.0.0/24 c0de::200:1 1001
+

autotest/units/001_one_port/076_rfc_5549_route_tunnel_random_source/autotest.yaml

@@ -0,0 +1,27 @@
+steps:
+- ipv6Update: "::/0 -> 3333::2"
+- cli:
+  - rib static insert default 1.0.0.0/24 4444::1 1100 10000 1 1
+- rib_insert:
+    attribute:
+      protocol: autotest
+    tables:
+    - table_name: ipv6 mpls-vpn
+      large_communities:
+      - 13238:1:1
+      prefixes:
+      - nexthop: 5555::1
+        prefix: 2.0.0.0/24
+        path_information: 55.55.55.1:10001
+        labels:
+        - 1200
+- cli:
+  - rib prefixes
+- sendPackets:
+  - port: kni0
+    send: 001-send.pcap
+    expect: 001-expect.pcap
+- sendPackets:
+  - port: kni0
+    send: 002-send.pcap
+    expect: 002-expect.pcap

autotest/units/001_one_port/076_rfc_5549_route_tunnel_random_source/controlplane.conf

@@ -0,0 +1,84 @@
+{
+  "modules": {
+    "lp0.100": {
+      "type": "logicalPort",
+      "physicalPort": "kni0",
+      "vlanId": "100",
+      "macAddress": "00:11:22:33:44:55",
+      "nextModule": "acl0"
+    },
+    "lp0.200": {
+      "type": "logicalPort",
+      "physicalPort": "kni0",
+      "vlanId": "200",
+      "macAddress": "00:11:22:33:44:55",
+      "nextModule": "acl0"
+    },
+    "lp0.300": {
+      "type": "logicalPort",
+      "physicalPort": "kni0",
+      "vlanId": "300",
+      "macAddress": "00:11:22:33:44:55",
+      "nextModule": "acl0"
+    },
+    "acl0": {
+      "type": "acl",
+      "nextModules": [
+        "decap0",
+        "route0:tunnel"
+      ]
+    },
+    "decap0": {
+      "type": "decap",
+      "ipv6DestinationPrefixes": [
+        "3333::1"
+      ],
+      "nextModule": "route0"
+    },
+    "route0": {
+      "type": "route",
+      "ipv4SourceAddress": "10.50.0.1",
+      "ipv6SourceAddress": "3333::1",
+      "udpDestinationPort": 6635,
+      "random_source": true,
+      "interfaces": {
+        "kni0.100": {
+          "ipAddresses": [
+            "10.0.1.1/24"
+          ],
+          "acl": "acl0",
+          "neighborIPv4Address": "10.0.1.2",
+          "neighborMacAddress": "00:00:00:00:00:01",
+          "nextModule": "lp0.100"
+        },
+        "kni0.200": {
+          "ipAddresses": [
+            "10.0.2.1/24"
+          ],
+          "acl": "acl0",
+          "neighborIPv4Address": "10.0.2.2",
+          "neighborMacAddress": "00:00:00:00:00:02",
+          "nextModule": "lp0.200"
+        },
+        "kni0.300": {
+          "ipAddresses": [
+            "3333::1/96"
+          ],
+          "acl": "acl0",
+          "neighborIPv6Address": "3333::2",
+          "neighborMacAddress": "00:00:00:00:00:03",
+          "nextModule": "lp0.300"
+        }
+      },
+      "peers": {
+        "1": "A",
+        "2": "B",
+        "3": "C"
+      },
+      "localPrefixes": [
+        "10.0.1.0/24",
+        "10.0.2.0/24"
+      ]
+    }
+  }
+}

autotest/units/001_one_port/076_rfc_5549_route_tunnel_random_source/gen.py

@@ -0,0 +1,45 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+from scapy.all import *
+from scapy.contrib.mpls import MPLS
+
+
+def write_pcap(filename, *packetsList):
+	if len(packetsList) == 0:
+		PcapWriter(filename)._write_header(Ether())
+		return
+
+	PcapWriter(filename)
+
+	for packets in packetsList:
+		if type(packets) == list:
+			for packet in packets:
+				packet.time = 0
+				wrpcap(filename, [p for p in packet], append=True)
+		else:
+			packets.time = 0
+			wrpcap(filename, [p for p in packets], append=True)
+
+
+# Check route tunnel mpls over udp
+write_pcap("001-send.pcap",
+           Ether(dst="00:11:22:33:44:55", src="00:00:00:00:00:01")/Dot1Q(vlan=100)/IP(dst="1.0.0.1", src="10.0.1.2", ttl=64)/ICMP(),
+           Ether(dst="00:11:22:33:44:55", src="00:00:00:00:00:01")/Dot1Q(vlan=100)/IP(dst="2.0.0.1", src="10.0.1.2", ttl=64)/ICMP(),
+           Ether(dst="00:11:22:33:44:55", src="00:00:00:00:00:02")/Dot1Q(vlan=200)/IP(dst="1.0.0.1", src="10.0.2.2", ttl=64)/ICMP(),
+           Ether(dst="00:11:22:33:44:55", src="00:00:00:00:00:02")/Dot1Q(vlan=200)/IP(dst="2.0.0.1", src="10.0.2.2", ttl=64)/ICMP())
+
+write_pcap("001-expect.pcap",
+           Ether(dst="00:00:00:00:00:03", src="00:11:22:33:44:55")/Dot1Q(vlan=300)/IPv6(dst="4444::1", src="3333::a00:102:0:1")/UDP(dport=6635, sport=0xca71, chksum=0)/MPLS(label=1100, ttl=255)/IP(dst="1.0.0.1", src="10.0.1.2", ttl=63)/ICMP(),
+           Ether(dst="00:00:00:00:00:03", src="00:11:22:33:44:55")/Dot1Q(vlan=300)/IPv6(dst="5555::1", src="3333::a00:102:0:1")/UDP(dport=6635, sport=0xf06f, chksum=0)/MPLS(label=1200, ttl=255)/IP(dst="2.0.0.1", src="10.0.1.2", ttl=63)/ICMP(),
+           Ether(dst="00:00:00:00:00:03", src="00:11:22:33:44:55")/Dot1Q(vlan=300)/IPv6(dst="4444::1", src="3333::a00:202:0:1")/UDP(dport=6635, sport=0xf621, chksum=0)/MPLS(label=1100, ttl=255)/IP(dst="1.0.0.1", src="10.0.2.2", ttl=63)/ICMP(),
+           Ether(dst="00:00:00:00:00:03", src="00:11:22:33:44:55")/Dot1Q(vlan=300)/IPv6(dst="5555::1", src="3333::a00:202:0:1")/UDP(dport=6635, sport=0xcc3f, chksum=0)/MPLS(label=1200, ttl=255)/IP(dst="2.0.0.1", src="10.0.2.2", ttl=63)/ICMP())
+
+# No tunnel is established between local prefixes
+write_pcap("002-send.pcap",
+           Ether(dst="00:11:22:33:44:55", src="00:00:00:00:00:02")/Dot1Q(vlan=200)/IP(dst="10.0.1.2", src="10.0.2.2", ttl=64)/ICMP(),
+           Ether(dst="00:11:22:33:44:55", src="00:00:00:00:00:03")/Dot1Q(vlan=100)/IP(dst="10.0.2.2", src="10.0.1.2", ttl=64)/ICMP())
+
+write_pcap("002-expect.pcap",
+           Ether(dst="00:00:00:00:00:01", src="00:11:22:33:44:55")/Dot1Q(vlan=100)/IP(dst="10.0.1.2", src="10.0.2.2", ttl=63)/ICMP(),
+           Ether(dst="00:00:00:00:00:02", src="00:11:22:33:44:55")/Dot1Q(vlan=200)/IP(dst="10.0.2.2", src="10.0.1.2", ttl=63)/ICMP())