From: Yong Liu <yong.liu@intel.com>
To: dts@dpdk.org
Subject: [dts] [PATCH] add scapy vxlan layer script
Date: Tue, 16 Jun 2015 14:17:23 +0800 [thread overview]
Message-ID: <1434435443-15696-1-git-send-email-yong.liu@intel.com> (raw)
From: Marvin Liu <yong.liu@intel.com>
diff --git a/dep/vxlan.py b/dep/vxlan.py
new file mode 100644
index 0000000..e50d4b4
--- /dev/null
+++ b/dep/vxlan.py
@@ -0,0 +1,33 @@
+'''
+Created on Jul 29, 2014
+
+@author: yliu86
+'''
+from scapy.packet import *
+from scapy.fields import *
+from scapy.layers.inet import UDP, IP
+from scapy.layers.dns import DNS
+from scapy.layers.l2 import Ether
+
+vxlanmagic = "0x8"
+
+
+class Vxlan(Packet):
+ name = "Virtual eXtensible Local Area Network"
+ fields_desc = [ByteField("flag", 8),
+ X3BytesField("reserved1", 0),
+ X3BytesField("vni", 0),
+ ByteField("reserved2", 0)]
+
+ def guess_payload_class(self, payload):
+ if self.flag == vxlanmagic:
+ return Vxlan
+ else:
+ return Packet.guess_payload_class(self, payload)
+
+ def mysummary(self):
+ return self.sprintf("VXLAN (vni=%VXLAN.vni%)")
+
+split_layers(UDP, DNS, sport=53)
+bind_layers(UDP, Vxlan, dport=4789)
+bind_layers(Vxlan, Ether)
--
1.9.3
reply other threads:[~2015-06-16 6:17 UTC|newest]
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