Scapy upgrade to 2.4.0.rc5

- many of the patches fd.io applies in test/patches/2.3.3 are now upstreamed in 2.4
- 2.4 adds support for IGMPv3 which is my main motivation for the upgrade

Change-Id: If2c0a524e3cba320b4a5d8cd07817c6ea2bf0c5a
Signed-off-by: Neale Ranns <nranns@cisco.com>

5 files changed, 197 insertions, 0 deletions

diff --git a/test/patches/scapy-2.4/bier.patch b/test/patches/scapy-2.4/bier.patch
new file mode 100644
index 00000000000..82a881e9997
--- /dev/null
+++ b/test/patches/scapy-2.4/bier.patch
@@ -0,0 +1,64 @@
+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 +1,58 @@
++# http://trac.secdev.org/scapy/ticket/31
++
++# scapy.contrib.description = BIER
++# scapy.contrib.status = loads
++
++from scapy.packet import *
++from scapy.fields import *
++from scapy.layers.inet import IP, UDP
++from scapy.layers.inet6 import IPv6
++
++
++class BIERLength:
++    BIER_LEN_64 = 0
++    BIER_LEN_128 = 1
++    BIER_LEN_256 = 2
++    BIER_LEN_512 = 3
++    BIER_LEN_1024 = 4
++
++
++BIERnhcls = {1: "MPLS",
++             2: "MPLS",
++             4: "IPv4",
++             5: "IPv6"}
++
++
++class BIFT(Packet):
++    name = "BIFT"
++    fields_desc = [BitField("bsl", 0, 4),
++                   BitField("sd", 0, 8),
++                   BitField("set", 0, 8),
++                   BitField("cos", 0, 3),
++                   BitField("s", 1, 1),
++                   ByteField("ttl", 0)]
++
++    def guess_payload_class(self, payload):
++        return BIER
++
++
++class BIER(Packet):
++    name = "BIER"
++    fields_desc = [BitField("id", 5, 4),
++                   BitField("version", 0, 4),
++                   BitFieldLenField("length", BIERLength.BIER_LEN_256, 4,
++                                    length_of=lambda x:(x.BitString >> 8)),
++                   BitField("entropy", 0, 20),
++                   BitField("OAM", 0, 2),
++                   BitField("RSV", 0, 2),
++                   BitField("DSCP", 0, 6),
++                   BitEnumField("Proto", 2, 6, BIERnhcls),
++                   ShortField("BFRID", 0),
++                   StrLenField("BitString",
++                               "",
++                               length_from=lambda x:(8 << x.length))]
++
++
++bind_layers(BIER, IP,   Proto=4)
++bind_layers(BIER, IPv6, Proto=5)
++bind_layers(UDP, BIFT, dport=8138)
diff --git a/test/patches/scapy-2.4/enable_geneve.patch b/test/patches/scapy-2.4/enable_geneve.patch
new file mode 100644
index 00000000000..4e91b219d3e
--- /dev/null
+++ b/test/patches/scapy-2.4/enable_geneve.patch
@@ -0,0 +1,13 @@
+diff --git a/scapy/config.py b/scapy/config.py
+index cc97c6d..887b639 100755
+--- a/scapy/config.py
++++ b/scapy/config.py
+@@ -439,7 +439,7 @@ debug_tls:When 1, print some TLS session secrets when they are computed.
+                    "mobileip", "netbios", "netflow", "ntp", "ppp", "pptp",
+                    "radius", "rip", "rtp", "skinny", "smb", "snmp",
+                    "tftp", "x509", "bluetooth", "dhcp6", "llmnr",
+-                   "sctp", "vrrp", "ipsec", "lltd", "vxlan", "eap"]
++                   "sctp", "vrrp", "ipsec", "lltd", "vxlan", "eap", "geneve"]
+     contribs = dict()
+     crypto_valid = isCryptographyValid()
+     crypto_valid_advanced = isCryptographyAdvanced()
diff --git a/test/patches/scapy-2.4/geneve.patch b/test/patches/scapy-2.4/geneve.patch
new file mode 100644
index 00000000000..92752f1196e
--- /dev/null
+++ b/test/patches/scapy-2.4/geneve.patch
@@ -0,0 +1,56 @@
+diff --git a/scapy/layers/geneve.py b/scapy/layers/geneve.py
+new file mode 100644
+index 0000000..e2ca888
+--- /dev/null
++++ b/scapy/layers/geneve.py
+@@ -0,0 +1,50 @@
++#! /usr/bin/env python
++# (GENEVE):
++# A Framework for Overlaying Virtualized Layer 2 Networks over Layer 3 Networks
++
++from scapy.packet import Packet, bind_layers
++from scapy.layers.l2 import Ether
++from scapy.layers.inet import IP, UDP
++from scapy.layers.inet6 import IPv6
++from scapy.fields import FlagsField, XByteField, ThreeBytesField, \
++    ConditionalField, ShortField, ByteEnumField, X3BytesField
++
++#
++# +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
++# |Ver|  Opt Len  |O|C|    Rsvd.  |          Protocol Type        |
++# +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
++# |        Virtual Network Identifier (VNI)       |    Reserved   |
++# +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
++# |                    Variable Length Options                    |
++# +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
++#
++
++class GENEVE(Packet):
++    name = "GENEVE"
++
++    fields_desc = [
++        # INIT = ver + optlen + o + c + rsvd (all zeros)
++        ShortField("init", 0x0),
++        # PROTOCOL is a 2-bytes field
++        ShortField("protocol", 0x6558),
++        ThreeBytesField("vni", 0),
++        XByteField("reserved2", 0),
++    ]
++
++    def mysummary(self):
++        return self.sprintf("GENEVE (vni=%GENEVE.vni%)")
++
++bind_layers(UDP, GENEVE, dport=6081)  # RFC standard port
++bind_layers(UDP, GENEVE, dport=6081)  # New IANA assigned port for use with NSH
++bind_layers(UDP, GENEVE, dport=8472)  # Linux implementation port
++# By default, set both ports to the RFC standard
++bind_layers(UDP, GENEVE, sport=6081, dport=6081)
++
++bind_layers(GENEVE, Ether)
++bind_layers(GENEVE, IP, NextProtocol=1)
++bind_layers(GENEVE, IPv6, NextProtocol=2)
++bind_layers(GENEVE, Ether, flags=4, NextProtocol=0)
++bind_layers(GENEVE, IP, flags=4, NextProtocol=1)
++bind_layers(GENEVE, IPv6, flags=4, NextProtocol=2)
++bind_layers(GENEVE, Ether, flags=4, NextProtocol=3)
++
diff --git a/test/patches/scapy-2.4/gre.patch b/test/patches/scapy-2.4/gre.patch
new file mode 100644
index 00000000000..74004480291
--- /dev/null
+++ b/test/patches/scapy-2.4/gre.patch
@@ -0,0 +1,43 @@
+diff --git a/scapy/layers/l2.py b/scapy/layers/l2.py
+index 4f491d2..661a5da 100644
+--- a/scapy/layers/l2.py
++++ b/scapy/layers/l2.py
+@@ -570,6 +570,20 @@
+     return getmacbyip(l3.pdst)
+ conf.neighbor.register_l3(Ether, ARP, l2_register_l3_arp)
+ 
++
++class ERSPAN(Packet):
++    name = "ERSPAN"
++    fields_desc = [ BitField("ver",0,4),
++                    BitField("vlan",0,12),
++                    BitField("cos",0,3),
++                    BitField("en",0,2),
++                    BitField("t",0,1),
++                    BitField("session_id",0,10),
++                    BitField("reserved",0,12),
++                    BitField("index",0,20),
++                    ]
++
++
+ class GRErouting(Packet):
+     name = "GRE routing informations"
+     fields_desc = [ ShortField("address_family",0),
+--- a/scapy/layers/l2.py
++++ b/scapy/layers/l2.py
+@@ -427,6 +427,7 @@ bind_layers( Dot1AD,        Dot1AD,        type=0x88a8)
+ bind_layers( Dot1AD,        Dot1Q,         type=0x8100)
+ bind_layers( Dot1Q,         Dot1AD,        type=0x88a8)
+ bind_layers( Ether,         Ether,         type=1)
++bind_layers( GRE,           ERSPAN,        proto=0x88be, seqnum_present=1)
+ bind_layers( Ether,         ARP,           type=2054)
+ bind_layers( CookedLinux,   LLC,           proto=122)
+ bind_layers( CookedLinux,   Dot1Q,         proto=33024)
+@@ -441,6 +442,7 @@ bind_layers( GRE,           ARP,           proto=2054)
+ bind_layers( GRE,           GRErouting,    { "routing_present" : 1 } )
+ bind_layers( GRErouting,    conf.raw_layer,{ "address_family" : 0, "SRE_len" : 0 })
+ bind_layers( GRErouting,    GRErouting,    { } )
++bind_layers( ERSPAN,        Ether)
+ bind_layers( LLC,           STP,           dsap=66, ssap=66, ctrl=3)
+ bind_layers( LLC,           SNAP,          dsap=170, ssap=170, ctrl=3)
+ bind_layers( SNAP,          Dot1Q,         code=33024)
diff --git a/test/patches/scapy-2.4/mpls.py.patch b/test/patches/scapy-2.4/mpls.py.patch
new file mode 100644
index 00000000000..2a8fc84b1c4
--- /dev/null
+++ b/test/patches/scapy-2.4/mpls.py.patch
@@ -0,0 +1,21 @@
+diff --git a/scapy/contrib/mpls.py b/scapy/contrib/mpls.py
+index 8daddf2..a9dc7fe 100644
+--- a/scapy/contrib/mpls.py
++++ b/scapy/contrib/mpls.py
+@@ -18,6 +18,7 @@
+ 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
+ from scapy.compat import orb
+@@ -36,6 +37,8 @@ class MPLS(Packet):
+            ip_version = (orb(payload[0]) >> 4) & 0xF
+            if ip_version == 4:
+                return IP
++           elif ip_version == 5:
++               return BIER
+            elif ip_version == 6:
+                return IPv6
+        return Padding