TCP packet header. More...

#include <gnunet_tun_lib.h>

Data Fields
uint16_t	source_port
	Source port (in NBO).

uint16_t	destination_port
	Destination port (in NBO).

uint32_t	seq
	Sequence number.

uint32_t	ack
	Acknowledgement number.

unsigned int	reserved: 4
	Reserved.

unsigned int	off: 4
	Number of 32-bit words in TCP header.

uint8_t	flags
	Flags (SYN, FIN, ACK, etc.)

uint16_t	window_size
	Window size.

uint16_t	crc
	Checksum.

uint16_t	urgent_pointer
	Urgent pointer.

Detailed Description

TCP packet header.

Definition at line 215 of file gnunet_tun_lib.h.

Field Documentation

◆ source_port

uint16_t GNUNET_TUN_TcpHeader::source_port

Source port (in NBO).

Definition at line 220 of file gnunet_tun_lib.h.

Referenced by prepare_ipv6_packet(), and tcp_from_helper().

◆ destination_port

uint16_t GNUNET_TUN_TcpHeader::destination_port

Destination port (in NBO).

Definition at line 225 of file gnunet_tun_lib.h.

◆ seq

uint32_t GNUNET_TUN_TcpHeader::seq

Sequence number.

Definition at line 230 of file gnunet_tun_lib.h.

◆ ack

uint32_t GNUNET_TUN_TcpHeader::ack

Acknowledgement number.

Definition at line 235 of file gnunet_tun_lib.h.

◆ reserved

unsigned int GNUNET_TUN_TcpHeader::reserved

Reserved.

Must be zero.

Definition at line 240 of file gnunet_tun_lib.h.

◆ off

unsigned int GNUNET_TUN_TcpHeader::off

Number of 32-bit words in TCP header.

Definition at line 244 of file gnunet_tun_lib.h.

Referenced by handle_tcp_back(), prepare_ipv4_packet(), prepare_ipv6_packet(), and tcp_from_helper().

◆ flags

uint8_t GNUNET_TUN_TcpHeader::flags

Flags (SYN, FIN, ACK, etc.)

Definition at line 261 of file gnunet_tun_lib.h.

◆ window_size

uint16_t GNUNET_TUN_TcpHeader::window_size

Window size.

Definition at line 266 of file gnunet_tun_lib.h.

◆ crc

uint16_t GNUNET_TUN_TcpHeader::crc

Checksum.

Definition at line 271 of file gnunet_tun_lib.h.

◆ urgent_pointer

uint16_t GNUNET_TUN_TcpHeader::urgent_pointer

Urgent pointer.

Definition at line 276 of file gnunet_tun_lib.h.

The documentation for this struct was generated from the following file:

src/include/gnunet_tun_lib.h

Data Fields