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tcp Struct Reference
[TCP (Transmition Control Protocol) layer]

TCP packet structure. More...

#include <tcp.h>

Data Fields
uint16_t	tcp_src
	Source port.
uint16_t	tcp_dst
	Destination port.
uint32_t	tcp_seq_num
	Sequence number.
uint32_t	tcp_ack_num
	ACK number.
uint8_t	tcp_res1:4
	Reserved (bit 0..3).
uint8_t	tcp_hdr_len:4
	Header length.
uint8_t	tcp_fin:1
	FIN flag.
uint8_t	tcp_syn:1
	SYN flag.
uint8_t	tcp_rst:1
	RST flag.
uint8_t	tcp_psh:1
	PSH flag.
uint8_t	tcp_ack:1
	ACK flag.
uint8_t	tcp_urg:1
	URG flag.
uint8_t	tcp_res2:2
	Reserved (bit 4..6).
uint16_t	tcp_win_size
	Window size.
uint16_t	tcp_chk
	TCP checksum.
uint16_t	tcp_urg_ptr
	Urgent pointer.

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Detailed Description

TCP packet structure.

Definition at line 53 of file tcp.h.

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Field Documentation

uint8_t tcp::tcp_ack

ACK flag. Definition at line 79 of file tcp.h.

uint32_t tcp::tcp_ack_num

ACK number. Definition at line 63 of file tcp.h.

uint16_t tcp::tcp_chk

TCP checksum. Definition at line 105 of file tcp.h.

uint16_t tcp::tcp_dst

Destination port. Definition at line 58 of file tcp.h.

uint8_t tcp::tcp_fin

FIN flag. Definition at line 71 of file tcp.h.

uint8_t tcp::tcp_hdr_len

Header length. Definition at line 69 of file tcp.h.

uint8_t tcp::tcp_psh

PSH flag. Definition at line 77 of file tcp.h.

uint8_t tcp::tcp_res1

Reserved (bit 0..3). Definition at line 67 of file tcp.h.

uint8_t tcp::tcp_res2

Reserved (bit 4..6). Definition at line 83 of file tcp.h.

uint8_t tcp::tcp_rst

RST flag. Definition at line 75 of file tcp.h.

uint32_t tcp::tcp_seq_num

Sequence number. Definition at line 61 of file tcp.h.

uint16_t tcp::tcp_src

Source port. Definition at line 56 of file tcp.h.

uint8_t tcp::tcp_syn

SYN flag. Definition at line 73 of file tcp.h.

uint8_t tcp::tcp_urg

URG flag. Definition at line 81 of file tcp.h.

uint16_t tcp::tcp_urg_ptr

Urgent pointer. Definition at line 107 of file tcp.h.

uint16_t tcp::tcp_win_size

Window size. Definition at line 103 of file tcp.h.

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

• tcp.h

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