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authorNeale Ranns <nranns@cisco.com>2017-10-21 10:53:20 -0700
committerDamjan Marion <dmarion.lists@gmail.com>2017-11-09 15:16:52 +0000
commitd792d9c01e60656cbfe1b0f1fd6a9b125f5dab0c (patch)
treedb88d99dd8102389fb92e8ed44bc7d6a55dc3080 /test/patches/scapy-2.3.3
parenta2ff7b8cfc829ffbb6d5de7534efb51f7cba9cf3 (diff)
BIER
- see draft-ietf-bier-mpls-encapsulation-10 - midpoint, head and tail functions - supported payload protocols; IPv4 and IPv6 only. Change-Id: I59d7363bb6fdfdce8e4016a68a9c8f5a5e5791cb Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'test/patches/scapy-2.3.3')
-rw-r--r--test/patches/scapy-2.3.3/bier.patch45
-rw-r--r--test/patches/scapy-2.3.3/mpls.py.patch35
2 files changed, 72 insertions, 8 deletions
diff --git a/test/patches/scapy-2.3.3/bier.patch b/test/patches/scapy-2.3.3/bier.patch
new file mode 100644
index 00000000000..024805d0501
--- /dev/null
+++ b/test/patches/scapy-2.3.3/bier.patch
@@ -0,0 +1,45 @@
+diff --git a/scapy/contrib/bier.py b/scapy/contrib/bier.py
+new file mode 100644
+index 0000000..e173cdb
+--- /dev/null
++++ b/scapy/contrib/bier.py
+@@ -0,0 +1,39 @@
++# http://trac.secdev.org/scapy/ticket/31
++
++# scapy.contrib.description = MPLS
++# scapy.contrib.status = loads
++
++from scapy.packet import *
++from scapy.fields import *
++from scapy.layers.inet import IP
++from scapy.layers.inet6 import IPv6
++
++class BIERLength:
++ BIER_LEN_64 = 0
++ BIER_LEN_128 = 1
++ BIER_LEN_256 = 2
++
++
++
++BIERnhcls = { 1: "MPLS",
++ 2: "MPLS",
++ 4: "IPv4",
++ 5: "IPv6" }
++
++class BIER(Packet):
++ name = "BIER"
++ fields_desc = [ BitField("id", 5, 4),
++ BitField("version", 0, 4),
++ BitField("length", 0, 4),
++ BitField("entropy", 0, 20),
++ BitField("OAM", 0, 2),
++ BitField("RSV", 0, 2),
++ BitField("DSCP", 0, 6),
++ BitEnumField("Proto", 2, 6, BIERnhcls),
++ ShortField("BFRID", 0),
++ StrFixedLenField("BitString",
++ chr(255)*32, 32) ]
++
++
++bind_layers(BIER, IP, Proto=4)
++bind_layers(BIER, IPv6, Proto=5)
diff --git a/test/patches/scapy-2.3.3/mpls.py.patch b/test/patches/scapy-2.3.3/mpls.py.patch
index f63a70a3cd7..f3293e8eee2 100644
--- a/test/patches/scapy-2.3.3/mpls.py.patch
+++ b/test/patches/scapy-2.3.3/mpls.py.patch
@@ -1,16 +1,35 @@
diff --git a/scapy/contrib/mpls.py b/scapy/contrib/mpls.py
-index 640a0c5..6af1d4a 100644
+index 640a0c5..944723a 100644
--- a/scapy/contrib/mpls.py
+++ b/scapy/contrib/mpls.py
-@@ -18,6 +18,8 @@ class MPLS(Packet):
+@@ -6,6 +6,7 @@
+ from scapy.packet import Packet, bind_layers, Padding
+ from scapy.fields import BitField,ByteField
+ from scapy.layers.inet import IP
++from scapy.contrib.bier import BIER
+ from scapy.layers.inet6 import IPv6
+ from scapy.layers.l2 import Ether, GRE
+
+@@ -17,9 +18,12 @@ class MPLS(Packet):
def guess_payload_class(self, payload):
- if len(payload) >= 1:
-+ if not self.s:
-+ return MPLS
- ip_version = (ord(payload[0]) >> 4) & 0xF
- if ip_version == 4:
- return IP
+- if len(payload) >= 1:
+- ip_version = (ord(payload[0]) >> 4) & 0xF
+- if ip_version == 4:
+- return IP
+- elif ip_version == 6:
+- return IPv6
+- return Padding
++ if not self.s:
++ return MPLS
++ ip_version = (ord(payload[0]) >> 4) & 0xF
++ if ip_version == 4:
++ return IP
++ elif ip_version == 5:
++ return BIER
++ elif ip_version == 6:
++ return IPv6
++ return Padding
@@ -27,3 +29,4 @@ class MPLS(Packet):
bind_layers(Ether, MPLS, type=0x8847)