class UDP(Packet):
name = "UDP"
fields_desc = [ ShortEnumField("sport", 53, UDP_SERVICES), #standard UDP
ShortEnumField("dport", 53, UDP_SERVICES),
ShortField("len", None),
XShortField("chksum", None),
XByteField("ack",0), #Acknowlegment number - 8bit
X3BytesField("pkg",1)] #pakcage number -24 bit
class NSH(Packet):
"""Network Service Header.
NSH MD-type 1 if there is no ContextHeaders"""
name = "NSH"
fields_desc = [
BitField('Ver', 0, 2),
BitField('OAM', 0, 1),
BitField('Un1', 0, 1),
BitField('TTL', 0, 6),
BitField('Len', None, 6),
BitField('Un4', 1, 4),
BitField('MDType', 1, 4),
ByteField("NextProto", 0x65),
ByteField("NextProto_2", 0x58),
X3BytesField('NSP', 2),
ByteField('NSI', 255)
]
class FlowMatchDescriptorField_v1_0(Packet):
"""
OpenFlow Flow Match Descriptor Field
"""
name = 'FlowMatchDescriptorField_v1_0'
fields_desc = [
IntField('<FlowWildcard>', None),
ShortField('Ingresss<PortNumber>', None),
SourceMACField(MACField('EthernetSourceAddress', None)),
DestMACField(MACField('EthernetDestinationAddress', None)),
XShortField('<VD+802.1QVID>', None),
XByteField('PCP', None),
XByteField('Reserved', None),
ShortField('EthernetType/Length', None),
ByteField('IPv4Protocol', None),
X3BytesField('_Reserved', None),
SourceIPField('IPv4SourceAddress', None),
IPField('IPv4DestinationAddress', None),
ShortField('SourcePort', None),
ShortField('DestinationPort', None),
]
class NSH(Packet):
"""Network Service Header.
NSH MD-type 1 if there is no ContextHeaders"""
name = "NSH"
fields_desc = [
BitField('Ver', 0, 2),
BitField('OAM', 0, 1),
BitField('Un1', 0, 1),
BitField('TTL', 0, 6),
BitField('Len', None, 6),
BitField('Un2', 0, 4),
BitField('MDType', 1, 4),
ShortEnumField('NextProto', 3, {
1: 'IPv4',
2: 'IPv6',
3: 'Ethernet',
4: 'NSH',
5: 'MPLS'
}),
X3BytesField('NSP', 1),
ByteField('NSI', 255)
]
class OpenFlowBody_v1_0(Packet):
"""
OpenFlow Packet v1.0
"""
name = 'OpenFlowBody_v1_0'
fields_desc = [
# Header
ByteEnumField('Type', None, ofp_v1_0_message_type),
ShortField('Length', None),
IntField('ID', None),
# Error message body
ConditionalField(ShortField('ErrorType', None),
lambda pkt: pkt.Type == 1),
ConditionalField(ShortField('ErrorCode', None),
lambda pkt: pkt.Type == 1),
# Echo Request / Echo Reply message body
ConditionalField(StrField('Data', None),
lambda pkt: pkt.Type in [2, 3]),
# Vendor message body
ConditionalField(IntField('VendorID', None),
lambda pkt: pkt.Type == 4),
# Features Reply message body
ConditionalField(XLongField('DatapathID', None),
lambda pkt: pkt.Type == 6),
ConditionalField(IntField('AvailableNumberOfPacketsCanBeHeld', None),
lambda pkt: pkt.Type == 6),
ConditionalField(ByteField('NumberOfFlowTabs', None),
lambda pkt: pkt.Type == 6),
ConditionalField(X3BytesField('FeaturesReplyReserved', None),
lambda pkt: pkt.Type == 6),
ConditionalField(XIntField('<SwitchCapabilityFlags>', None),
lambda pkt: pkt.Type == 6),
ConditionalField(XIntField('ActionCapabilityFlags', None),
lambda pkt: pkt.Type == 6),
ConditionalField(
_PacketField('FeaturesReply<PortDescriptors>', None,
PortDescriptorField_v1_0, 48),
lambda pkt: pkt.Type == 6),
# Get Config Reply / Set Config message body
ConditionalField(XShortField('SwitchConfigurationFlags', None),
lambda pkt: pkt.Type in [8, 9]),
ConditionalField(ShortField('MissSendLength', None),
lambda pkt: pkt.Type in [8, 9]),
# Packet Input Notification message body
ConditionalField(
IntField('PacketInputNotificationPacketBufferID', None),
lambda pkt: pkt.Type == 10),
ConditionalField(ShortField('EthernetFrameLength', None),
lambda pkt: pkt.Type == 10),
ConditionalField(
ShortField('PacketInputNotificationIngresss<PortNumber>', None),
lambda pkt: pkt.Type == 10),
ConditionalField(ByteField('PacketInputNotificationReason', None),
lambda pkt: pkt.Type == 10),
ConditionalField(XByteField('PacketInputNotificationReserved', None),
lambda pkt: pkt.Type == 10),
ConditionalField(
StrLenField('EthenretFrame',
None,
length_from=lambda pkt: pkt.EthernetFrameLength),
lambda pkt: pkt.Type == 10),
# Flow Removed Notification message body
ConditionalField(
_PacketField('FlowRemovedNotification<FlowMatchDescriptor>', None,
FlowMatchDescriptorField_v1_0, 40),
lambda pkt: pkt.Type == 11),
ConditionalField(ShortField('FlowRemovedNotificationPriority', None),
lambda pkt: pkt.Type == 11),
ConditionalField(ByteField('FlowRemovedNotificationReason', None),
lambda pkt: pkt.Type == 11),
ConditionalField(XByteField('FlowRemovedNotificationReserved', None),
lambda pkt: pkt.Type == 11),
ConditionalField(IntField('LifetimeDuration', None),
lambda pkt: pkt.Type == 11),
ConditionalField(
ShortField('FlowRemovedNotificationSoftLifetime', None),
lambda pkt: pkt.Type == 11),
ConditionalField(
StrFixedLenField('FlowRemovedNotification_Reserved', None, 48),
lambda pkt: pkt.Type == 11),
ConditionalField(LongField('NumberOfPacketsTransferred', None),
lambda pkt: pkt.Type == 11),
ConditionalField(LongField('NumberOfOctetsTransferred', None),
lambda pkt: pkt.Type == 11),
# Port Status Notification message body
ConditionalField(ByteField('PortStatusNotificationReason', None),
lambda pkt: pkt.Type == 12),
ConditionalField(
StrFixedLenField('PortStatusNotificationReserved', None, 64),
lambda pkt: pkt.Type == 12),
ConditionalField(
_PacketField('PortStatusNotification<PortDescriptors>', None,
PortDescriptorField_v1_0, 48),
lambda pkt: pkt.Type == 12),
# Packet Output message body
ConditionalField(IntField('PacketOutputPacketBufferID', None),
lambda pkt: pkt.Type == 13),
ConditionalField(ShortField('PacketOutputIngress<PortNumber>', None),
lambda pkt: pkt.Type == 13),
ConditionalField(ShortField('LengthOfActionDescriptors', None),
lambda pkt: pkt.Type == 13),
ConditionalField(
_PacketField('PacketOutput<ActionDescriptors>', None,
ActionDescriptorField_v1_0), ## ???? bytes ##
lambda pkt: pkt.Type == 13),
ConditionalField(StrField('<PacketData>', None),
lambda pkt: pkt.Type == 13),
# Flow Modification message body
ConditionalField(
_PacketField('FlowModification<FlowMatchDescriptor>', None,
FlowMatchDescriptorField_v1_0, 40),
lambda pkt: pkt.Type == 14),
ConditionalField(ShortField('Command', None),
lambda pkt: pkt.Type == 14),
ConditionalField(ShortField('FlowModificationSoftLifetime', None),
lambda pkt: pkt.Type == 14),
ConditionalField(ShortField('HardLifetime', None),
lambda pkt: pkt.Type == 14),
ConditionalField(ShortField('FlowModificationPriority', None),
lambda pkt: pkt.Type == 14),
ConditionalField(IntField('FlowModificationPacketBufferID', None),
lambda pkt: pkt.Type == 14),
ConditionalField(
ShortField('FlowModificationEgress<PortNumber>', None),
lambda pkt: pkt.Type == 14),
ConditionalField(XShortField('FlowModificationCU', None),
lambda pkt: pkt.Type == 14),
ConditionalField(XIntField('FlowModificationReserved', None),
lambda pkt: pkt.Type == 14),
ConditionalField(
_PacketField('FlowModification<ActionDescriptors>', None,
ActionDescriptorField_v1_0), ## ???? bytes
lambda pkt: pkt.Type == 14),
# Port Modification message body
ConditionalField(ShortField('PortModification<PortNumber>', None),
lambda pkt: pkt.Type == 15),
ConditionalField(MACField('Ethernet Address', None),
lambda pkt: pkt.Type == 15),
ConditionalField(XIntField('<PortConfigurationFlags>', None),
lambda pkt: pkt.Type == 15),
ConditionalField(XIntField('<PortConfigurationFlags>Mask', None),
lambda pkt: pkt.Type == 15),
ConditionalField(XIntField('<PortFeatureFlags>', None),
lambda pkt: pkt.Type == 15),
# Stats Request message body
ConditionalField(
_PacketField('StatsRequest', None, StatsRequestBody_v1_0, 48),
lambda pkt: pkt.Type == 16),
# Stats Reply message body
ConditionalField(
_PacketField('StatsReply', None,
StatsReplyBody_v1_0), ## ???? bytes
lambda pkt: pkt.Type == 17),
StrField('Payload', None),
]
class StatsReplyBody_v1_0(Packet):
"""
OpenFlow Stats Reply Body
"""
name = 'StatsReplyBody_v1_0'
fields_desc = [
ShortEnumField('Type', None, ofp_v1_0_stats_requestreply_type),
ShortField('Flags', None),
# Description of this OpenFlow switch
ConditionalField(
StrFixedLenField('ManufacturerDescription', None, 256),
lambda pkt: pkt.Type == 0),
ConditionalField(StrFixedLenField('HardwareDescription', None, 256),
lambda pkt: pkt.Type == 0),
ConditionalField(StrFixedLenField('SoftwareDescription', None, 256),
lambda pkt: pkt.Type == 0),
ConditionalField(IntField('SerialNumberDescription', None),
lambda pkt: pkt.Type == 0), ## ??
# Individual flow statistical information /
# Aggregate flow statistical information
ConditionalField(ShortField('Length', None),
lambda pkt: pkt.Type == 1),
ConditionalField(ByteField('TableID', None),
lambda pkt: pkt.Type == 1),
ConditionalField(XByteField('Reserved', None),
lambda pkt: pkt.Type == 1),
ConditionalField(
_PacketField('<FlowMatchDescriptor>', None,
FlowMatchDescriptorField_v1_0, 40),
lambda pkt: pkt.Type == 1),
ConditionalField(IntField('LifetimeDuration', None),
lambda pkt: pkt.Type == 1),
ConditionalField(ShortField('Priority', None),
lambda pkt: pkt.Type == 1),
ConditionalField(ShortField('SoftLifetime', None),
lambda pkt: pkt.Type == 1),
ConditionalField(ShortField('HardLifetime', None),
lambda pkt: pkt.Type == 1),
ConditionalField(ShortField('Reserved', None),
lambda pkt: pkt.Type == 1),
ConditionalField(LongField('NumberOfPacketsTransferred', None),
lambda pkt: pkt.Type in [1, 2]),
ConditionalField(LongField('NumberOfOctetsTransferred', None),
lambda pkt: pkt.Type in [1, 2]),
ConditionalField(
_PacketField('<ActionDescriptors>', None,
ActionDescriptorField_v1_0), ## ???? bytes
lambda pkt: pkt.Type == 1),
ConditionalField(IntField('NumberOfFlows', None),
lambda pkt: pkt.Type == 2),
ConditionalField(IntField('Reserved', None),
lambda pkt: pkt.Type == 2),
# Flow table statistical information
ConditionalField(ByteField('Table_ID', None),
lambda pkt: pkt.Type == 1),
ConditionalField(X3BytesField('Reserved', None),
lambda pkt: pkt.Type == 3),
ConditionalField(StrFixedLenField('TableDescriptionString', None, 16),
lambda pkt: pkt.Type == 3),
ConditionalField(IntField('<FlowWildcard>', None),
lambda pkt: pkt.Type == 3),
ConditionalField(IntField('MaximumNumberOfFlowsSupported', None),
lambda pkt: pkt.Type == 3),
ConditionalField(IntField('NumberOfFlowsInstalled', None),
lambda pkt: pkt.Type == 3),
ConditionalField(IntField('NumberOfPacketsLookedUp', None),
lambda pkt: pkt.Type == 3),
ConditionalField(IntField('NumberOfPacketsMatched', None),
lambda pkt: pkt.Type == 3),
# Port statistical information
ConditionalField(LongField('NumberOfPakctesReceived', None),
lambda pkt: pkt.Type == 4),
ConditionalField(LongField('NumberOfPakctesTransmitted', None),
lambda pkt: pkt.Type == 4),
ConditionalField(LongField('NumberOfOctetsReceived', None),
lambda pkt: pkt.Type == 4),
ConditionalField(LongField('NumberOfOctetsTransmitted', None),
lambda pkt: pkt.Type == 4),
ConditionalField(LongField('NumberOfPacketsDroppedInReception', None),
lambda pkt: pkt.Type == 4),
ConditionalField(
LongField('NumberOfPacketsDroppedInTransmittion', None),
lambda pkt: pkt.Type == 4),
ConditionalField(LongField('NumberOfErrorsInReception', None),
lambda pkt: pkt.Type == 4),
ConditionalField(LongField('NumberOfErrorsInTransmittion', None),
lambda pkt: pkt.Type == 4),
ConditionalField(LongField('NumberOfAlignmentErrors', None),
lambda pkt: pkt.Type == 4),
ConditionalField(LongField('NumberOfOverrunErrors', None),
lambda pkt: pkt.Type == 4),
ConditionalField(LongField('NumberOfCRCErrors', None),
lambda pkt: pkt.Type == 4),
ConditionalField(LongField('NumberOfCollisionErrors', None),
lambda pkt: pkt.Type == 4),
]
class ActionDescriptorField_v1_0(Packet):
"""
OpenFlow Action Descriptor Field
"""
name = 'ActionDescriptorField_v1_0'
fields_desc = [
ByteEnumField('Type', None, ofp_v1_0_action_descriptor_type),
ShortField('Length', None),
# Output Action Descriptor
ConditionalField(ShortField('Egress<PortNumber>', None),
lambda pkt: pkt.Type == 0),
ConditionalField(ShortField('MaxLength', None),
lambda pkt: pkt.Type == 0),
# VLAN VID Action Descriptor
ConditionalField(XShortField('CU+802.1QVID', None),
lambda pkt: pkt.Type == 1),
ConditionalField(XShortField('VLANVIDReserved', None),
lambda pkt: pkt.Type == 1),
# VLAN PCP Action Descriptor
ConditionalField(XByteField('CU+PCP', None),
lambda pkt: pkt.Type == 2),
ConditionalField(X3BytesField('VLANPCPReserved', None),
lambda pkt: pkt.Type == 2),
# Strip VLAN tag Action Descriptor
ConditionalField(XIntField('StripVLANTagReserved', None),
lambda pkt: pkt.Type == 3),
# Ethernet Address Action Descriptor (Ethernet source address) /
# Ethernet Address Action Descriptor (Ethernet destination address)
ConditionalField(
SourceMACField(MACField('EthernetSourceAddress', None)),
lambda pkt: pkt.Type == 4),
ConditionalField(
DestMACField(MACField('EthernetDestinationAddress', None)),
lambda pkt: pkt.Type == 5),
ConditionalField(StrFixedLenField('EthernetAddressReserved', None, 48),
lambda pkt: pkt.Type in [4, 5]),
# IPv4 Address Action Descriptor (IPv4 source address) /
# IPv4 Address Action Descriptor (IPv4 destination address)
ConditionalField(SourceIPField('IPv4SourceAddress', None),
lambda pkt: pkt.Type == 6),
ConditionalField(IPField('IPv4DestinationAddress', None),
lambda pkt: pkt.Type == 7),
# IPv4 DSCP Action Descriptor
ConditionalField(ByteField('IPv4DSCP+CU', None),
lambda pkt: pkt.Type == 8),
ConditionalField(X3BytesField('IPv4DSCPReserved', None),
lambda pkt: pkt.Type == 8),
# TCP/UDP Port Action Descriptor (TCP/UDP source port) /
# TCP/UDP Port Action Descriptor (TCP/UDP destination port)
ConditionalField(ShortField('SourcePort', None),
lambda pkt: pkt.Type == 9),
ConditionalField(ShortField('DestinationPort', None),
lambda pkt: pkt.Type == 10),
ConditionalField(ShortField('TCP/UDPReserved', None),
lambda pkt: pkt.Type in [9, 10]),
# Vendor Action Descriptor
ConditionalField(IntField('VendorID', None),
lambda pkt: pkt.Type == 65535),
]