add vxlan example

1 files changed, 48 insertions, 0 deletions

diff --git a/scripts/stl/udp_1pkt_vxlan.py b/scripts/stl/udp_1pkt_vxlan.py
new file mode 100644
index 00000000..3cb3dfbb
--- /dev/null
+++ b/scripts/stl/udp_1pkt_vxlan.py
@@ -0,0 +1,48 @@
+from trex_stl_lib.api import *
+
+# Adding header that does not exists yet in Scapy
+# This was taken from pull request of Scapy 
+# 
+
+
+# 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 = ['R' for i in range(0, 24)] + ['R', 'R', 'R', 'I', 'R', 'R', 'R', 'R', 'R'] 
+
+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 STLS1(object):
+
+    def __init__ (self):
+        pass;
+
+    def create_stream (self):
+        pkt =  Ether()/IP()/UDP(sport=1337,dport=4789)/VXLAN(vni=42)/Ether()/IP()/('x'*20)
+        pkt.show2()
+
+        # burst of 17 packets
+        return STLStream(packet = STLPktBuilder(pkt = pkt ,vm = []),
+                         mode = STLTXSingleBurst( pps = 1, total_pkts = 17) )
+
+
+    def get_streams (self, direction = 0):
+        # create 1 stream 
+        return [ self.create_stream() ]
+
+def register():
+    return STLS1()
+
+
+