test/patches/scapy-2.3.3/bier.patch

   1 diff --git a/scapy/contrib/bier.py b/scapy/contrib/bier.py
   2 new file mode 100644
   3 index 0000000..e173cdb
   4 --- /dev/null
   5 +++ b/scapy/contrib/bier.py
   6 @@ -0,0 +1,39 @@
   7 +# http://trac.secdev.org/scapy/ticket/31
   8 +
   9 +# scapy.contrib.description = MPLS
  10 +# scapy.contrib.status = loads
  11 +
  12 +from scapy.packet import *
  13 +from scapy.fields import *
  14 +from scapy.layers.inet import IP
  15 +from scapy.layers.inet6 import IPv6
  16 +
  17 +class BIERLength:
  18 +   BIER_LEN_64 = 0
  19 +   BIER_LEN_128 = 1
  20 +   BIER_LEN_256 = 2
  21 +
  22 +
  23 +
  24 +BIERnhcls = {  1: "MPLS",
  25 +               2: "MPLS",
  26 +               4: "IPv4",
  27 +               5: "IPv6" }
  28 +
  29 +class BIER(Packet):
  30 +   name = "BIER"
  31 +   fields_desc =  [ BitField("id", 5, 4),
  32 +                    BitField("version", 0, 4),
  33 +                    BitField("length", 0, 4),
  34 +                    BitField("entropy", 0, 20),
  35 +                    BitField("OAM", 0, 2),
  36 +                    BitField("RSV", 0, 2),
  37 +                    BitField("DSCP", 0, 6),
  38 +                    BitEnumField("Proto", 2, 6, BIERnhcls),
  39 +                    ShortField("BFRID", 0),
  40 +                    StrFixedLenField("BitString",
  41 +                                     chr(255)*32, 32) ]
  42 +
  43 +
  44 +bind_layers(BIER, IP,   Proto=4)
  45 +bind_layers(BIER, IPv6, Proto=5)