tcp_header.h File Reference

TCP header definition. More...

#include <sys/types.h>

Go to the source code of this file.

Data Structures
struct	tcp_header
	Transmission datagram header. More...
struct	tcp_max_segment_size_option
	Maximum segment size TCP option. More...
struct	tcp_option
	Transmission datagram header option. More...
Defines
#define	GET_TCP_HEADER_ACKNOWLEDGE(header)   (((header)->ruaprsf & 0x10) >> 4)
#define	GET_TCP_HEADER_FINALIZE(header)   ((header)->ruaprsf & 0x01)
#define	GET_TCP_HEADER_LENGTH(header)   (((header)->hlr & 0xf0) >> 4)
#define	GET_TCP_HEADER_PUSH(header)   (((header)->ruaprsf & 0x08) >> 3)
#define	GET_TCP_HEADER_RESERVED1(header)   ((header)->hlr & 0x0f)
#define	GET_TCP_HEADER_RESERVED2(header)   (((header)->ruaprsf & 0xc0) >> 6)
#define	GET_TCP_HEADER_RESET(header)   (((header)->ruaprsf & 0x04) >> 2)
#define	GET_TCP_HEADER_SYNCHRONIZE(header)   (((header)->ruaprsf & 0x02) >> 1)
#define	GET_TCP_HEADER_URGENT(header)   (((header)->ruaprsf & 0x20) >> 5)
#define	SET_TCP_HEADER_ACKNOWLEDGE(header, acknowledge)
#define	SET_TCP_HEADER_FINALIZE(header, finalize)
#define	SET_TCP_HEADER_LENGTH(header, length)
#define	SET_TCP_HEADER_PUSH(header, push)
#define	SET_TCP_HEADER_RESERVED1(header, reserved1)
#define	SET_TCP_HEADER_RESERVED2(header, reserved2)
#define	SET_TCP_HEADER_RESET(header, reset)
#define	SET_TCP_HEADER_SYNCHRONIZE(header, synchronize)
#define	SET_TCP_HEADER_URGENT(header, urgent)
#define	TCP_COMPUTE_HEADER_LENGTH(length)   ((uint8_t) ((length) / 4U))
	Returns the TCP header length.
#define	TCP_HEADER_LENGTH(header)   (GET_TCP_HEADER_LENGTH(header) * 4U)
	Returns the actual TCP header length in bytes.
#define	TCP_HEADER_SIZE   sizeof(tcp_header_t)
	TCP header size in bytes.
Typedefs
typedef tcp_header	tcp_header_t
	Type definition of the transmission datagram header.
typedef tcp_max_segment_size_option	tcp_max_segment_size_option_t
	Type definition of the Maximum segment size TCP option.
typedef tcp_option	tcp_option_t
	Type definition of the transmission datagram header option.

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Detailed Description

TCP header definition.

Based on the RFC 793.

Definition in file tcp_header.h.

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