Separate files needing GPL license

[csit.git] / GPL / traffic_scripts / vxlan.py

diff --git a/GPL/traffic_scripts/vxlan.py b/GPL/traffic_scripts/vxlan.py
new file mode 100644 (file)
index 0000000..b39b419
--- /dev/null
+++ b/GPL/traffic_scripts/vxlan.py
@@ -0,0 +1,32 @@
+# Copyright (c) 2020 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.
+
+from scapy.fields import BitField, XByteField, X3BytesField
+from scapy.layers.inet import UDP
+from scapy.layers.l2 import Ether
+from scapy.packet import Packet, bind_layers
+
+
+class VXLAN(Packet):
+    name = u"VXLAN"
+    fields_desc = [
+        BitField(u"flags", 0x08000000, 32),
+        X3BytesField(u"vni", 0),
+        XByteField(u"reserved", 0x00)
+    ]
+
+    def mysummary(self):
+        return self.sprintf(f"VXLAN (vni={VXLAN.vni})")
+
+bind_layers(UDP, VXLAN, dport=4789)
+bind_layers(VXLAN, Ether)