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Classes

• __cpp_obj
• Base_Object
• DNS
• FWFilter
• ICMP
• IP
• IPOption
• IPv6
• IPv6SegmentRoutingHeader
• Packet
• PacketModifications
• PartialTCP
• Raw
• TbxSniffer
• TCP
• TCPEDO
• TCPOption
• TCPTFO
• TCPTimestamp
• UDP

Modules

• Globals

Class TCPOption

Options for the TCP Layer, inherits from Base_Object

Tables

TCPOption.new_args	TCPOption constructor arguments
TCPOption.MPJoin_args	The MPTCPJoin Option arguments
TCPOption.MPCapable_args	The MPTCPCapable Option arguments

Methods

TCPOption:new ([args])	Create a 'blank' TCPOption
TCPOption:kind (kind)	Set the Option Kind
TCPOption:data (data)	Set the Option data (raw access)
TCPOption:new_nop ()	Create a new NOP Option (Kind=1)
TCPOption:new_eol ()	Create a new EOL Option (Kind=0)
TCPOption:new_sackp ()	Create a new SACKPermitted Option
TCPOption:new_sack (a)	Create a new SACK Option
TCPOption:new_mss (the)	Create a new MSS Option
TCPOption:new_wscale (wscale)	Create a new WindowScale Option
TCPOption:new_mpjoin ([the])	Create a new MPTCPJoin Option
TCPOption:new_mpcapable ([the])	Create a new MPTCPCapable Option

Tables

TCPOption.new_args

TCPOption constructor arguments

Fields:

• copy num
• length num
• data table opaque list of bytes

TCPOption.MPJoin_args

The MPTCPJoin Option arguments

Fields:

• token num
• nonce num
• id num address ID
• backup bool

See also:

new_mpjoin

TCPOption.MPCapable_args

The MPTCPCapable Option arguments

Fields:

• skey num sender key
• rkey num receiver key
• csum bool checksum

See also:

new_mpjoin

Methods

TCPOption:new ([args])

Create a 'blank' TCPOption

Parameters:

• args table see new_args (optional)

Returns:

TCPOption

TCPOption:kind (kind)

Set the Option Kind

Parameters:

• kind num

TCPOption:data (data)

Set the Option data (raw access)

Parameters:

• data string

TCPOption:new_nop ()

Create a new NOP Option (Kind=1)

Returns:

TCPOption

TCPOption:new_eol ()

Create a new EOL Option (Kind=0)

Returns:

TCPOption

TCPOption:new_sackp ()

Create a new SACKPermitted Option

Returns:

TCPOption

TCPOption:new_sack (a)

Create a new SACK Option

Parameters:

• a table list of pairs, either grouped in subtables or in one single flat table

Returns:

TCPOption

Usage:

l = TCPOption:new_sack{1, 2, 3, 4} -- Will create a SACK option with pairs (1,2) and (3,4)
 l = TCPOption:new_sack{{1, 2}, {3, 4}} -- Equivalent to the above

TCPOption:new_mss (the)

Create a new MSS Option

Parameters:

• the num MSS value value

Returns:

TCPOption

TCPOption:new_wscale (wscale)

Create a new WindowScale Option

Parameters:

• wscale num the window scaling factor

Returns:

TCPOption

TCPOption:new_mpjoin ([the])

Create a new MPTCPJoin Option

Parameters:

• the table MPJoin options, see MPJoin_args (optional)

Returns:

TCPOption

TCPOption:new_mpcapable ([the])

Create a new MPTCPCapable Option

Parameters:

• the table MPCapable options, see MPCapable_args (optional)

Returns:

TCPOption