packetforge: add packetforge for generic flow to extras

Add a new tool packetforge to extras. This tool is to support generic flow.
Packetforge is a library to translate naming or json profile format flow
pattern to the required input of generic flow, i.e. spec and mask. Using
python script flow_create.py, it can add and enable a new flow rule for
an interface via flow VAPI, and can delete an existed flow rule as well.
Command examples are shown below. Json profile examples can be found in
./parsegraph/samples.

Naming format input:
python flow_create.py --add -p "mac()/ipv4(src=1.1.1.1,dst=2.2.2.2)/udp()"
-a "redirect-to-queue 3" -i 1
python flow_create.py --del -i 1 -I 0

Json profile format input:
python flow_create.py -f "./flow_rule_examples/mac_ipv4.json" -i 1

With this command, flow rule can be added or deleted, and the flow
entry can be listed with "show flow entry" command in VPP CLI.

Packetforge is based on a parsegraph. The parsegraph can be built by
users. A Spec can be found in ./parsegraph as guidance. More details
about packetforge are in README file.

Type: feature

Signed-off-by: Ting Xu <ting.xu@intel.com>
Change-Id: Ia9f539741c5dca27ff236f2bcc493c5dd48c0df1

27 files changed, 1151 insertions, 0 deletions

diff --git a/extras/packetforge/parsegraph/nodes/ah.json b/extras/packetforge/parsegraph/nodes/ah.json
new file mode 100644
index 00000000000..b3a32272f94
--- /dev/null
+++ b/extras/packetforge/parsegraph/nodes/ah.json
@@ -0,0 +1,26 @@
+{
+    "type" : "node",
+    "name" : "ah",
+    "layout" : [
+        {
+            "name" : "nextheader",
+            "size" : "8"
+        },
+        {
+            "name" : "payloadlength",
+            "size" : "8"
+        },
+        {
+            "name" : "reserved",
+            "size" : "16"
+        },
+        {
+            "name" : "spi",
+            "size" : "32"
+        },
+        {
+            "name" : "sequencenumber",
+            "size" : "32"
+        }
+    ]
+}
diff --git a/extras/packetforge/parsegraph/nodes/arpv4.json b/extras/packetforge/parsegraph/nodes/arpv4.json
new file mode 100644
index 00000000000..95c72c2b657
--- /dev/null
+++ b/extras/packetforge/parsegraph/nodes/arpv4.json
@@ -0,0 +1,54 @@
+{
+    "type" : "node",
+    "name" : "arpv4",
+    "layout" : [
+        {
+            "name" : "htype",
+            "size" : "16",
+            "default" : "1",
+            "readonly" : "true"
+        },
+        {
+            "name" : "ptype",
+            "size" : "16",
+            "default" : "0x0800",
+            "readonly" : "true"
+        },
+        {
+            "name" : "hlen",
+            "size" : "8",
+            "default" : "6",
+            "readonly" : "true"
+        },
+        {
+            "name" : "plen",
+            "size" : "8",
+            "default" : "4",
+            "readonly" : "true"
+        },
+        {
+            "name" : "operation",
+            "size" : "16"
+        },
+        {
+            "name" : "sha",
+            "size" : "48",
+            "format" : "mac"
+        },
+        {
+            "name" : "spa",
+            "size" : "32",
+            "format" : "ipv4"
+        },
+        {
+            "name" : "tha",
+            "size" : "48",
+            "format" : "mac"
+        },
+        {
+            "name" : "tpa",
+            "size" : "32",
+            "format" : "ipv4"
+        }
+    ]
+}
diff --git a/extras/packetforge/parsegraph/nodes/esp.json b/extras/packetforge/parsegraph/nodes/esp.json
new file mode 100644
index 00000000000..702408ab379
--- /dev/null
+++ b/extras/packetforge/parsegraph/nodes/esp.json
@@ -0,0 +1,14 @@
+{
+    "type" : "node",
+    "name" : "esp",
+    "layout" : [
+        {
+            "name" : "spi",
+            "size" : "32"
+        },
+        {
+            "name" : "sequencenumber",
+            "size" : "32"
+        }
+    ]
+}
diff --git a/extras/packetforge/parsegraph/nodes/geneve.json b/extras/packetforge/parsegraph/nodes/geneve.json
new file mode 100644
index 00000000000..c31586b8f7a
--- /dev/null
+++ b/extras/packetforge/parsegraph/nodes/geneve.json
@@ -0,0 +1,51 @@
+{
+    "type" : "node",
+    "name" : "geneve",
+    "layout" : [
+        {
+            "name" : "version",
+            "size" : "2",
+            "default" : "0",
+            "readonly" : "true"
+        },
+        {
+            "name" : "optlen",
+            "size" : "6"
+        },
+        {
+            "name" : "o",
+            "size" : "1"
+        },
+        {
+            "name" : "c",
+            "size" : "1"
+        },
+        {
+            "name" : "reserved",
+            "size" : "6"
+        },
+        {
+            "name" : "protocoltype",
+            "size" : "16"
+        },
+        {
+            "name" : "vni",
+            "size" : "24"
+        },
+        {
+            "name" : "reserved",
+            "size" : "8"
+        },
+        {
+            "name" : "options",
+            "size" : "optlen<<5"
+        }
+    ],
+    "attributes" : [
+        {
+            "name" : "udpport",
+            "size" : "16",
+            "default" : "6081"
+        }
+    ]
+}
diff --git a/extras/packetforge/parsegraph/nodes/gre.json b/extras/packetforge/parsegraph/nodes/gre.json
new file mode 100644
index 00000000000..db9579cd27f
--- /dev/null
+++ b/extras/packetforge/parsegraph/nodes/gre.json
@@ -0,0 +1,56 @@
+{
+    "type" : "node",
+    "name" : "gre",
+    "layout" : [
+        {
+            "name" : "c",
+            "size" : "1"
+        },
+        {
+            "name" : "reserved",
+            "size" : "1"
+        },
+        {
+            "name" : "k",
+            "size" : "1"
+        },
+        {
+            "name" : "s",
+            "size" : "1"
+        },
+        {
+            "name" : "reserved",
+            "size" : "9"
+        },
+        {
+            "name" : "version",
+            "size" : "3",
+            "default" : "0",
+            "readonly" : "true"
+        },
+        {
+            "name" : "protocoltype",
+            "size" : "16"
+        },
+        {
+            "name" : "checksum",
+            "size" : "16",
+            "optional" : "c=1"
+        },
+        {
+            "name" : "reserved",
+            "size" : "16",
+            "optional" : "c=1"
+        },
+        {
+            "name" : "key",
+            "size" : "32",
+            "optional" : "k=1"
+        },
+        {
+            "name" : "sequencenumber",
+            "size" : "32",
+            "optional" : "s=1"
+        }
+    ]
+}
diff --git a/extras/packetforge/parsegraph/nodes/gtpc.json b/extras/packetforge/parsegraph/nodes/gtpc.json
new file mode 100644
index 00000000000..99ed70c06e8
--- /dev/null
+++ b/extras/packetforge/parsegraph/nodes/gtpc.json
@@ -0,0 +1,48 @@
+{
+    "type" : "node",
+    "name" : "gtpc",
+    "layout" : [
+        {
+            "name" : "version",
+            "size" : "3",
+            "default" : "2",
+            "readonly" : "true"
+        },
+        {
+            "name" : "p",
+            "size" : "1"
+        },
+        {
+            "name" : "t",
+            "size" : "1"
+        },
+        {
+            "name" : "reserved",
+            "size" : "3"
+        },
+        {
+            "name" : "messagetype",
+            "size" : "8"
+        },
+        {
+            "name" : "messagelength",
+            "size" : "16",
+            "default" : "4",
+            "autoincrease" : "true"
+        },
+        {
+            "name" : "teid",
+            "size" : "32",
+            "optional" : "t=1",
+            "increaselength" : "true"
+        },
+        {
+            "name" : "sequencenumber",
+            "size" : "24"
+        },
+        {
+            "name" : "reserved",
+            "size" : "8"
+        }
+    ]
+}
diff --git a/extras/packetforge/parsegraph/nodes/gtppsc.json b/extras/packetforge/parsegraph/nodes/gtppsc.json
new file mode 100644
index 00000000000..d6814be503c
--- /dev/null
+++ b/extras/packetforge/parsegraph/nodes/gtppsc.json
@@ -0,0 +1,28 @@
+{
+    "type" : "node",
+    "name" : "gtppsc",
+    "layout" : [
+        {
+            "name" : "length",
+            "size" : "1",
+            "default" : "1",
+            "readonly" : "true"
+        },
+        {
+            "name" : "pdutype",
+            "size" : "4"
+        },
+        {
+            "name" : "reserved",
+            "size" : "4"
+        },
+        {
+            "name" : "reserved",
+            "size" : "2"
+        },
+        {
+            "name" : "qfi",
+            "size" : "6"
+        }
+    ]
+}
diff --git a/extras/packetforge/parsegraph/nodes/gtpu.json b/extras/packetforge/parsegraph/nodes/gtpu.json
new file mode 100644
index 00000000000..244e7d9ced0
--- /dev/null
+++ b/extras/packetforge/parsegraph/nodes/gtpu.json
@@ -0,0 +1,63 @@
+{
+    "type" : "node",
+    "name" : "gtpu",
+    "layout" : [
+        {
+            "name" : "version",
+            "size" : "3",
+            "default" : "1",
+            "readonly" : "true"
+        },
+        {
+            "name" : "pt",
+            "size" : "1"
+        },
+        {
+            "name" : "reserved",
+            "size" : "1"
+        },
+        {
+            "name" : "e",
+            "size" : "1"
+        },
+        {
+            "name" : "s",
+            "size" : "1"
+        },
+        {
+            "name" : "pn",
+            "size" : "1"
+        },
+        {
+            "name" : "messagetype",
+            "size" : "8"
+        },
+        {
+            "name" : "messagelength",
+            "size" : "16",
+            "autoincrease" : "true"
+        },
+        {
+            "name" : "teid",
+            "size" : "32"
+        },
+        {
+            "name" : "sequencenumber",
+            "size" : "16",
+            "optional" : "e=1|s=1|pn=1",
+            "increaselength" : "true"
+        },
+        {
+            "name" : "npdunumber",
+            "size" : "8",
+            "optional" : "e=1|s=1|pn=1",
+            "increaselength" : "true"
+        },
+        {
+            "name" : "nextextentionheadertype",
+            "size" : "8",
+            "optional" : "e=1|s=1|pn=1",
+            "increaselength" : "true"
+        }
+    ]
+}
diff --git a/extras/packetforge/parsegraph/nodes/icmp.json b/extras/packetforge/parsegraph/nodes/icmp.json
new file mode 100644
index 00000000000..4d96a34bd7e
--- /dev/null
+++ b/extras/packetforge/parsegraph/nodes/icmp.json
@@ -0,0 +1,18 @@
+{
+    "type" : "node",
+    "name" : "icmp",
+    "layout" : [
+        {
+            "name" : "type",
+            "size" : "8"
+        },
+        {
+            "name" : "code",
+            "size" : "8"
+        },
+        {
+            "name" : "checksum",
+            "size" : "16"
+        }
+    ]
+}
diff --git a/extras/packetforge/parsegraph/nodes/icmpv6.json b/extras/packetforge/parsegraph/nodes/icmpv6.json
new file mode 100644
index 00000000000..c4e89cbae81
--- /dev/null
+++ b/extras/packetforge/parsegraph/nodes/icmpv6.json
@@ -0,0 +1,18 @@
+{
+    "type" : "node",
+    "name" : "icmpv6",
+    "layout" : [
+        {
+            "name" : "type",
+            "size" : "8"
+        },
+        {
+            "name" : "code",
+            "size" : "8"
+        },
+        {
+            "name" : "checksum",
+            "size" : "16"
+        }
+    ]
+}
diff --git a/extras/packetforge/parsegraph/nodes/ipv4.json b/extras/packetforge/parsegraph/nodes/ipv4.json
new file mode 100644
index 00000000000..297f60000cc
--- /dev/null
+++ b/extras/packetforge/parsegraph/nodes/ipv4.json
@@ -0,0 +1,76 @@
+{
+    "type" : "node",
+    "name" : "ipv4",
+    "layout" : [
+        {
+            "name" : "version",
+            "size" : "4",
+            "default" : "4",
+            "readonly" : "true"
+        },
+        {
+            "name" : "ilh",
+            "size" : "4",
+            "default" : "5",
+            "readonly" : "true"
+        },
+        {
+            "name" : "dscp",
+            "size" : "6"
+        },
+        {
+            "name" : "ecn",
+            "size" : "2"
+        },
+        {
+            "name" : "totallength",
+            "size" : "16",
+            "default" : "20",
+            "autoincrease" : "true"
+        },
+        {
+            "name" : "identification",
+            "size" : "16"
+        },
+        {
+            "name" : "reserved",
+            "size" : "1"
+        },
+        {
+            "name" : "df",
+            "size" : "1"
+        },
+        {
+            "name" : "mf",
+            "size" : "1"
+        },
+        {
+            "name" : "fragmentoffset",
+            "size" : "13"
+        },
+        {
+            "name" : "ttl",
+            "size" : "8"
+        },
+        {
+            "name" : "protocol",
+            "size" : "8"
+        },
+        {
+            "name" : "checksum",
+            "size" : "16"
+        },
+        {
+            "name" : "src",
+            "size" : "32",
+            "format" : "ipv4",
+            "default" : "1.1.1.1"
+        },
+        {
+            "name" : "dst",
+            "size" : "32",
+            "format" : "ipv4",
+            "default" : "2.2.2.2"
+        }
+    ]
+}
diff --git a/extras/packetforge/parsegraph/nodes/ipv6.json b/extras/packetforge/parsegraph/nodes/ipv6.json
new file mode 100644
index 00000000000..3de24a2d64b
--- /dev/null
+++ b/extras/packetforge/parsegraph/nodes/ipv6.json
@@ -0,0 +1,47 @@
+{
+    "type" : "node",
+    "name" : "ipv6",
+    "layout" : [
+        {
+            "name" : "version",
+            "size" : "4",
+            "default" : "6",
+            "readonly" : "true"
+        },
+        {
+            "name" : "dscp",
+            "size" : "6"
+        },
+        {
+            "name" : "ecn",
+            "size" : "2"
+        },
+        {
+            "name" : "flowlabel",
+            "size" : "20"
+        },
+        {
+            "name" : "payloadlength",
+            "size" : "16",
+            "autoincrease" : "true"
+        },
+        {
+            "name" : "nextheader",
+            "size" : "8"
+        },
+        {
+            "name" : "hoplimit",
+            "size" : "8"
+        },
+        {
+            "name" : "src",
+            "size" : "128",
+            "format" : "ipv6"
+        },
+        {
+            "name" : "dst",
+            "size" : "128",
+            "format" : "ipv6"
+        }
+    ]
+}
diff --git a/extras/packetforge/parsegraph/nodes/ipv6crh16.json b/extras/packetforge/parsegraph/nodes/ipv6crh16.json
new file mode 100644
index 00000000000..559ed870af2
--- /dev/null
+++ b/extras/packetforge/parsegraph/nodes/ipv6crh16.json
@@ -0,0 +1,36 @@
+{
+    "type" : "node",
+    "name" : "ipv6crh16",
+    "layout" : [
+      {
+          "name" : "nextheader",
+          "size" : "8"
+      },
+      {
+          "name" : "headerextlength",
+          "size" : "8"
+      },
+      {
+          "name" : "routingtype",
+          "size" : "8",
+          "default" : "5",
+          "readonly" : "true"
+      },
+      {
+          "name" : "segmentleft",
+          "size" : "8"
+      },
+      {
+          "name" : "sid0",
+          "size" : "16"
+      },
+      {
+          "name" : "sid1",
+          "size" : "16"
+      },
+      {
+          "name" : "sid16remains",
+          "size" : "headerextlength<<6"
+      }
+    ]
+}
diff --git a/extras/packetforge/parsegraph/nodes/ipv6crh32.json b/extras/packetforge/parsegraph/nodes/ipv6crh32.json
new file mode 100644
index 00000000000..457050b9f13
--- /dev/null
+++ b/extras/packetforge/parsegraph/nodes/ipv6crh32.json
@@ -0,0 +1,32 @@
+{
+    "type" : "node",
+    "name" : "ipv6crh32",
+    "layout" : [
+        {
+            "name" : "nextheader",
+            "size" : "8"
+        },
+        {
+            "name" : "headerextlength",
+            "size" : "8"
+        },
+        {
+            "name" : "routingtype",
+            "size" : "8",
+            "default" : "6",
+            "readonly" : "true"
+        },
+        {
+            "name" : "segmentleft",
+            "size" : "8"
+        },
+        {
+            "name" : "sid0",
+            "size" : "32"
+        },
+        {
+            "name" : "sid32remains",
+            "size" : "headerextlength<<6"
+        }
+    ]
+}
diff --git a/extras/packetforge/parsegraph/nodes/ipv6srh.json b/extras/packetforge/parsegraph/nodes/ipv6srh.json
new file mode 100644
index 00000000000..48feaeb45fa
--- /dev/null
+++ b/extras/packetforge/parsegraph/nodes/ipv6srh.json
@@ -0,0 +1,40 @@
+{
+    "type" : "node",
+    "name" : "ipv6srh",
+    "layout" : [
+        {
+            "name" : "nextheader",
+            "size" : "8"
+        },
+        {
+            "name" : "headerextlength",
+            "size" : "8"
+        },
+        {
+            "name" : "routingtype",
+            "size" : "8",
+            "default" : "4",
+            "readonly" : "true"
+        },
+        {
+            "name" : "segmentleft",
+            "size" : "8"
+        },
+        {
+            "name" : "lastentry",
+            "size" : "8"
+        },
+        {
+            "name" : "flags",
+            "size" : "8"
+        },
+        {
+            "name" : "tag",
+            "size" : "16"
+        },
+        {
+            "name" : "addresses",
+            "size" : "headerextlength<<6"
+        }
+    ]
+}
diff --git a/extras/packetforge/parsegraph/nodes/l2tpv2ctl.json b/extras/packetforge/parsegraph/nodes/l2tpv2ctl.json
new file mode 100644
index 00000000000..7af22dd92fa
--- /dev/null
+++ b/extras/packetforge/parsegraph/nodes/l2tpv2ctl.json
@@ -0,0 +1,74 @@
+{
+    "type" : "node",
+    "name" : "l2tpv2ctl",
+    "layout" : [
+        {
+            "name" : "t",
+            "size" : "1",
+            "default" : "1",
+            "readonly" : "true"
+        },
+        {
+            "name" : "l",
+            "size" : "1",
+            "default" : "1",
+            "readonly" : "true"
+        },
+        {
+            "name" : "reserved",
+            "size" : "2"
+        },
+        {
+            "name" : "s",
+            "size" : "1",
+            "default" : "1",
+            "readonly" : "true"
+        },
+        {
+            "name" : "reserved",
+            "size" : "1"
+        },
+        {
+            "name" : "o",
+            "size" : "1",
+            "default" : "0",
+            "readonly" : "true"
+        },
+        {
+            "name" : "p",
+            "size" : "1",
+            "default" : "0",
+            "readonly" : "true"
+        },
+        {
+            "name" : "reserved",
+            "size" : "4"
+        },
+        {
+            "name" : "version",
+            "size" : "4",
+            "default" : "2",
+            "readonly" : "true"
+        },
+        {
+            "name" : "length",
+            "size" : "16"
+        },
+        {
+            "name" : "tunnelid",
+            "size" : "16"
+        },
+        {
+            "name" : "sessionid",
+            "size" : "16"
+        },
+        {
+            "name" : "ns",
+            "size" : "16"
+        },
+        {
+            "name" : "nr",
+            "size" : "16"
+        }
+    ]
+}
diff --git a/extras/packetforge/parsegraph/nodes/l2tpv2data.json b/extras/packetforge/parsegraph/nodes/l2tpv2data.json
new file mode 100644
index 00000000000..d9e8b006820
--- /dev/null
+++ b/extras/packetforge/parsegraph/nodes/l2tpv2data.json
@@ -0,0 +1,79 @@
+{
+    "type" : "node",
+    "name" : "l2tpv2data",
+    "layout" : [
+        {
+            "name" : "t",
+            "size" : "1",
+            "default" : "0",
+            "readonly" : "true"
+        },
+        {
+            "name" : "l",
+            "size" : "1"
+        },
+        {
+            "name" : "reserved",
+            "size" : "2"
+        },
+        {
+            "name" : "s",
+            "size" : "1"
+        },
+        {
+            "name" : "reserved",
+            "size" : "1"
+        },
+        {
+            "name" : "o",
+            "size" : "1"
+        },
+        {
+            "name" : "p",
+            "size" : "1"
+        },
+        {
+            "name" : "reserved",
+            "size" : "4"
+        },
+        {
+            "name" : "version",
+            "size" : "4",
+            "default" : "2",
+            "readonly" : "true"
+        },
+        {
+            "name" : "length",
+            "size" : "16",
+            "optional" : "l=1"
+        },
+        {
+            "name" : "tunnelid",
+            "size" : "16"
+        },
+        {
+            "name" : "sessionid",
+            "size" : "16"
+        },
+        {
+            "name" : "ns",
+            "size" : "16",
+            "optional" : "s=1"
+        },
+        {
+            "name" : "nr",
+            "size" : "16",
+            "optional" : "s=1"
+        },
+        {
+            "name" : "offsetsize",
+            "size" : "16",
+            "optional" : "o=1"
+        },
+        {
+            "name" : "offsetpad",
+            "size" : "offsetsize<<3",
+            "optional" : "o=1"
+        }
+    ]
+}
diff --git a/extras/packetforge/parsegraph/nodes/mac.json b/extras/packetforge/parsegraph/nodes/mac.json
new file mode 100644
index 00000000000..6fc49096889
--- /dev/null
+++ b/extras/packetforge/parsegraph/nodes/mac.json
@@ -0,0 +1,22 @@
+{
+    "type" : "node",
+    "name" : "mac",
+    "layout" : [
+        {
+            "name" : "src",
+            "size" : "48",
+            "format" : "mac",
+            "default" : "00:00:00:00:00:01"
+        },
+        {
+            "name" : "dst",
+            "size" : "48",
+            "format" : "mac",
+            "default" : "00:00:00:00:00:02"
+        },
+        {
+            "name" : "ethertype",
+            "size" : "16"
+        }
+    ]
+}
diff --git a/extras/packetforge/parsegraph/nodes/nvgre.json b/extras/packetforge/parsegraph/nodes/nvgre.json
new file mode 100644
index 00000000000..ec6812c8500
--- /dev/null
+++ b/extras/packetforge/parsegraph/nodes/nvgre.json
@@ -0,0 +1,52 @@
+{
+    "type" : "node",
+    "name" : "nvgre",
+    "layout" : [
+        {
+            "name" : "c",
+            "size" : "1",
+            "default" : "0",
+            "readonly" : "true"
+        },
+        {
+            "name" : "reserved",
+            "size" : "1"
+        },
+        {
+            "name" : "k",
+            "size" : "1",
+            "default" : "1",
+            "readonly" : "true"
+        },
+        {
+            "name" : "s",
+            "size" : "1",
+            "default" : "0",
+            "readonly" : "true"
+        },
+        {
+            "name" : "reserved",
+            "size" : "9"
+        },
+        {
+            "name" : "version",
+            "size" : "3",
+            "default" : "0",
+            "readonly" : "true"
+        },
+        {
+            "name" : "protocoltype",
+            "size" : "16",
+            "default" : "0x6558",
+            "readonly" : "true"
+        },
+        {
+            "name" : "vsid",
+            "size" : "16"
+        },
+        {
+            "name" : "flowid",
+            "size" : "16"
+        }
+    ]
+}
diff --git a/extras/packetforge/parsegraph/nodes/payload.json b/extras/packetforge/parsegraph/nodes/payload.json
new file mode 100644
index 00000000000..202116ff1ee
--- /dev/null
+++ b/extras/packetforge/parsegraph/nodes/payload.json
@@ -0,0 +1,18 @@
+{
+    "type" : "node",
+    "name" : "payload",
+    "layout" : [
+        {
+            "name" : "data",
+            "size" : "bytes<<3",
+            "format" : "bytearray"
+        }
+    ],
+    "attributes" : [
+        {
+            "name" : "bytes",
+            "size" : "16",
+            "default" : "16"
+        }
+    ]
+}
diff --git a/extras/packetforge/parsegraph/nodes/pfcp.json b/extras/packetforge/parsegraph/nodes/pfcp.json
new file mode 100644
index 00000000000..f1a6c1901bd
--- /dev/null
+++ b/extras/packetforge/parsegraph/nodes/pfcp.json
@@ -0,0 +1,58 @@
+{
+    "type" : "node",
+    "name" : "pfcp",
+    "layout" : [
+        {
+            "name" : "version",
+            "size" : "3",
+            "default" : "1",
+            "readonly" : "true"
+        },
+        {
+            "name" : "reserved",
+            "size" : "3"
+        },
+        {
+            "name" : "mp",
+            "size" : "1"
+        },
+        {
+            "name" : "s",
+            "size" : "1"
+        },
+        {
+            "name" : "messagetype",
+            "size" : "8"
+        },
+        {
+            "name" : "messagelength",
+            "size" : "16",
+            "default" : "8",
+            "autoincrease" : "true"
+        },
+        {
+            "name" : "seid",
+            "size" : "64",
+            "optional" : "s=1",
+            "increaselength" : "true"
+        },
+        {
+            "name" : "sequencenumber",
+            "size" : "24"
+        },
+        {
+            "name" : "messagepriority",
+            "size" : "4",
+            "optional" : "mp=1"
+        },
+        {
+            "name" : "reserved",
+            "size" : "4",
+            "optional" : "mp=0"
+        },
+        {
+            "name" : "reserved",
+            "size" : "4"
+        }
+    ]
+}
diff --git a/extras/packetforge/parsegraph/nodes/sctp.json b/extras/packetforge/parsegraph/nodes/sctp.json
new file mode 100644
index 00000000000..58ef88cec55
--- /dev/null
+++ b/extras/packetforge/parsegraph/nodes/sctp.json
@@ -0,0 +1,22 @@
+{
+    "type" : "node",
+    "name" : "sctp",
+    "layout" : [
+        {
+            "name" : "src",
+            "size" : "16"
+        },
+        {
+            "name" : "dst",
+            "size" : "16"
+        },
+        {
+            "name" : "veificationtag",
+            "size" : "16"
+        },
+        {
+            "name" : "checksum",
+            "size" : "16"
+        }
+    ]
+}
diff --git a/extras/packetforge/parsegraph/nodes/tcp.json b/extras/packetforge/parsegraph/nodes/tcp.json
new file mode 100644
index 00000000000..7d0bac20ab1
--- /dev/null
+++ b/extras/packetforge/parsegraph/nodes/tcp.json
@@ -0,0 +1,79 @@
+{
+    "type" : "node",
+    "name" : "tcp",
+    "layout" : [
+        {
+            "name" : "src",
+            "size" : "16"
+        },
+        {
+            "name" : "dst",
+            "size" : "16"
+        },
+        {
+            "name" : "sequencenumber",
+            "size" : "32"
+        },
+        {
+            "name" : "acknowledgementnumber",
+            "size" : "32"
+        },
+        {
+            "name" : "dataoffset",
+            "size" : "4",
+            "default" : "5"
+        },
+        {
+            "name" : "reserved",
+            "size" : "3"
+        },
+        {
+            "name" : "ns",
+            "size" : "1"
+        },
+        {
+            "name" : "cwr",
+            "size" : "1"
+        },
+        {
+            "name" : "ece",
+            "size" : "1"
+        },
+        {
+            "name" : "urg",
+            "size" : "1"
+        },
+        {
+            "name" : "ack",
+            "size" : "1"
+        },
+        {
+            "name" : "psh",
+            "size" : "1"
+        },
+        {
+            "name" : "pst",
+            "size" : "1"
+        },
+        {
+            "name" : "syn",
+            "size" : "1"
+        },
+        {
+            "name" : "fin",
+            "size" : "1"
+        },
+        {
+            "name" : "windowsize",
+            "size" : "16"
+        },
+        {
+            "name" : "checksum",
+            "size" : "16"
+        },
+        {
+            "name" : "urgentpointer",
+            "size" : "16"
+        }
+    ]
+}
diff --git a/extras/packetforge/parsegraph/nodes/udp.json b/extras/packetforge/parsegraph/nodes/udp.json
new file mode 100644
index 00000000000..75a95aec4a9
--- /dev/null
+++ b/extras/packetforge/parsegraph/nodes/udp.json
@@ -0,0 +1,24 @@
+{
+    "type" : "node",
+    "name" : "udp",
+    "layout" : [
+        {
+            "name" : "src",
+            "size" : "16"
+        },
+        {
+            "name" : "dst",
+            "size" : "16"
+        },
+        {
+            "name" : "length",
+            "size" : "16",
+            "default" : "8",
+            "autoincrease" : "true"
+        },
+        {
+            "name" : "checksum",
+            "size" : "16"
+        }
+    ]
+}
diff --git a/extras/packetforge/parsegraph/nodes/vlan.json b/extras/packetforge/parsegraph/nodes/vlan.json
new file mode 100644
index 00000000000..4a87a14d12d
--- /dev/null
+++ b/extras/packetforge/parsegraph/nodes/vlan.json
@@ -0,0 +1,30 @@
+{
+    "type" : "node",
+    "name" : "vlan",
+    "layout" : [
+        {
+            "name" : "pcp",
+            "size" : "3"
+        },
+        {
+            "name" : "dei",
+            "size" : "1"
+        },
+        {
+            "name" : "vid",
+            "size" : "12"
+        },
+        {
+            "name" : "ethertype",
+            "size" : "16",
+            "readonly" : "true"
+        }
+    ],
+    "attributes" : [
+        {
+            "name" : "tpid",
+            "size" : "16",
+            "default" : "0x8100"
+        }
+    ]
+}
diff --git a/extras/packetforge/parsegraph/nodes/vxlan.json b/extras/packetforge/parsegraph/nodes/vxlan.json
new file mode 100644
index 00000000000..f797075aa84
--- /dev/null
+++ b/extras/packetforge/parsegraph/nodes/vxlan.json
@@ -0,0 +1,33 @@
+{
+    "type" : "node",
+    "name" : "vxlan",
+    "layout" : [
+        {
+            "name" : "reserved",
+            "size" : "4"
+        },
+        {
+            "name" : "i",
+            "size" : "1"
+        },
+        {
+            "name" : "reserved",
+            "size" : "11"
+        },
+        {
+            "name" : "vni",
+            "size" : "24"
+        },
+        {
+            "name" : "reserved",
+            "size" : "8"
+        }
+    ],
+    "attributes" : [
+        {
+            "name" : "udpport",
+            "size" : "16",
+            "default" : "4789"
+        }
+    ]
+}
diff --git a/extras/packetforge/parsegraph/nodes/vxlangpe.json b/extras/packetforge/parsegraph/nodes/vxlangpe.json
new file mode 100644
index 00000000000..711e8bbcd04
--- /dev/null
+++ b/extras/packetforge/parsegraph/nodes/vxlangpe.json
@@ -0,0 +1,53 @@
+{
+    "type" : "node",
+    "name" : "vxlangpe",
+    "layout" : [
+        {
+            "name" : "reserved",
+            "size" : "2"
+        },
+        {
+            "name" : "version",
+            "size" : "2"
+        },
+        {
+            "name" : "i",
+            "size" : "1"
+        },
+        {
+            "name" : "p",
+            "size" : "1"
+        },
+        {
+            "name" : "b",
+            "size" : "1"
+        },
+        {
+            "name" : "o",
+            "size" : "1"
+        },
+        {
+            "name" : "reserved",
+            "size" : "16"
+        },
+        {
+            "name" : "nextprotocol",
+            "size" : "8"
+        },
+        {
+            "name" : "vni",
+            "size" : "24"
+        },
+        {
+            "name" : "reserved",
+            "size" : "8"
+        }
+    ],
+    "attributes" : [
+        {
+            "name" : "udpport",
+            "size" : "16",
+            "default" : "4790"
+        }
+    ]
+}