tcphdr Struct Reference

The TCP base header without options. More...

#include <tcp.h>

Data Fields
uint16_t	src_port
uint16_t	dst_port
uint32_t	seq_num
uint32_t	ack_num
uint8_t	res_flags:4
uint8_t	data_offset:4
uint8_t	rsf_flags:3
uint8_t	psh_flag:1
uint8_t	ack_flag:1
uint8_t	urg_flag:1
uint8_t	ecn_flags:2
uint16_t	window
uint16_t	checksum
uint16_t	urg_ptr
uint8_t	options [0]

Detailed Description

The TCP base header without options.

See RFC4996 page 72/73

Field Documentation

uint8_t tcphdr::ack_flag

uint32_t tcphdr::ack_num

uint16_t tcphdr::checksum

uint8_t tcphdr::data_offset

uint16_t tcphdr::dst_port

uint8_t tcphdr::ecn_flags

uint8_t tcphdr::options[0]

The beginning of the TCP options

uint8_t tcphdr::psh_flag

uint8_t tcphdr::res_flags

uint8_t tcphdr::rsf_flags

uint32_t tcphdr::seq_num

uint16_t tcphdr::src_port

uint8_t tcphdr::urg_flag

uint16_t tcphdr::urg_ptr

uint16_t tcphdr::window

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

• tcp.h