VTS VXLAN vhost-user with single DUT, TG sends VXLAN

Change-Id: I63539af2cdbdbd02a67068e48d0fdf2743da3b1e
Signed-off-by: Peter Ginchev <pginchev@cisco.com>

1 files changed, 134 insertions, 0 deletions

diff --git a/resources/traffic_profiles/trex/trex-sl-ethip4-vxlansrc253.py b/resources/traffic_profiles/trex/trex-sl-ethip4-vxlansrc253.py
new file mode 100644
index 0000000000..1018c13c53
--- /dev/null
+++ b/resources/traffic_profiles/trex/trex-sl-ethip4-vxlansrc253.py
@@ -0,0 +1,134 @@
+# Copyright (c) 2018 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Stream profile for T-rex traffic generator.
+
+Stream profile:
+ - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
+ - Packet: ETH / IP / VXLAN / ETH / IP
+ - Direction 0 --> 1:
+   - Source IP address:                172.17.0.2
+   - Destination IP address:           172.16.0.1
+   - VXLAN VNI:                        24
+   - Payload source MAC address:       00:de:ad:00:00:00
+   - Payload source IP address:        10.0.0.2
+   - Payload destination MAC address:  00:de:ad:00:00:01
+   - Payload destination IP address:   10.0.0.1
+ - Direction 1 --> 0:
+   - Source IP address:                172.27.0.2
+   - Destination IP address:           172.26.0.1
+   - VXLAN VNI:                        24
+   - Payload source MAC address:       00:de:ad:00:00:01
+   - Payload source IP address:        10.0.0.1
+   - Payload destination MAC address:  00:de:ad:00:00:00
+   - Payload destination IP address:   10.0.0.2
+
+"""
+
+from trex_stl_lib.api import *
+from profile_trex_stateless_base_class import TrafficStreamsBaseClass
+
+# RFC 7348 - Virtual eXtensible Local Area Network (VXLAN):
+# A Framework for Overlaying Virtualized Layer 2 Networks over Layer 3 Networks
+# http://tools.ietf.org/html/rfc7348
+_VXLAN_FLAGS = list('R'*24 + "RRRIRRRRR")
+
+
+class VXLAN(Packet):
+    name = "VXLAN"
+    fields_desc = [FlagsField("flags", 0x08000000, 32, _VXLAN_FLAGS),
+                   ThreeBytesField("vni", 0),
+                   XByteField("reserved", 0x00)]
+
+    def mysummary(self):
+        return self.sprintf("VXLAN (vni=%VXLAN.vni%)")
+
+
+bind_layers(UDP, VXLAN, dport=4789)
+bind_layers(VXLAN, Ether)
+
+
+class TrafficStreams(TrafficStreamsBaseClass):
+    """Stream profile."""
+
+    def __init__(self):
+        """Initialization and setting of streams' parameters."""
+
+        super(TrafficStreamsBaseClass, self).__init__()
+
+    def define_packets(self):
+        """Defines the packets to be sent from the traffic generator.
+
+        Packet definition: | ETH | IP |
+
+        :returns: Packets to be sent from the traffic generator.
+        :rtype: tuple
+        """
+
+        # Direction 0 --> 1
+        base_pkt_a = (
+            Ether()/
+            IP(src="172.17.0.2",dst="172.16.0.1")/
+            UDP(sport=1337,dport=4789)/
+            VXLAN(vni=24)/
+            Ether(src="00:de:ad:00:00:00",dst="00:de:ad:00:00:01")/
+            IP(src="10.0.0.2",dst="10.0.0.1"))
+
+        # Direction 1 --> 0
+        base_pkt_b = (
+            Ether()/
+            IP(src="172.27.0.2",dst="172.26.0.1")/
+            UDP(sport=1337,dport=4789)/
+            VXLAN(vni=24)/
+            Ether(src="00:de:ad:00:00:01",dst="00:de:ad:00:00:00")/
+            IP(src="10.0.0.1",dst="10.0.0.2"))
+
+
+        # Direction 0 --> 1
+        vm1 = STLScVmRaw([
+            STLVmFlowVar(name="src", min_value="172.17.0.2" ,
+                         max_value="172.17.0.254", size=4, op="inc"),
+            STLVmFlowVar(name="src_mac", min_value=2 , max_value=3100,
+                         size=2, op="inc"),
+            STLVmWrFlowVar(fv_name="src", pkt_offset="IP.src"),
+            STLVmWrFlowVar(fv_name="src_mac", pkt_offset=60),
+            STLVmFixIpv4(offset = "IP")
+        ])
+
+        # Direction 1 --> 0
+        vm2 = STLScVmRaw([
+            STLVmFlowVar(name="src", min_value="172.27.0.2" ,
+                         max_value="172.27.0.254", size=4, op="inc"),
+            STLVmFlowVar(name="src_mac", min_value=2 , max_value=3100,
+                         size=2, op="inc"),
+            STLVmWrFlowVar(fv_name="src", pkt_offset="IP.src"),
+            STLVmWrFlowVar(fv_name="src_mac", pkt_offset=60),
+            STLVmFixIpv4(offset = "IP")
+        ])
+
+        # for now there's a single VXLAN tunnel per direction, the above
+        # variations are for reference only
+        vm1, vm2 = [], []
+
+        return base_pkt_a, base_pkt_b, vm1, vm2
+
+def register():
+    """Register this traffic profile to T-rex.
+
+    Do not change this function.
+
+    :return: Traffic streams.
+    :rtype: Object
+    """
+    return TrafficStreams()
+