ipv4.h File Reference

Defines the IPv4 header. More...

#include <stdint.h>
#include "config.h"

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Data Structures
struct	ipv4_hdr
	The IPv4 header. More...
Defines
#define	IP_RF   0x8000 /* reserved fragment flag */
#define	IP_DF   0x4000 /* dont fragment flag */
#define	IP_MF   0x2000 /* more fragments flag */
#define	IP_OFFMASK   0x1fff /* mask for fragmenting bits */
Functions
struct ipv4_hdr	__attribute__ ((packed))
Variables
uint8_t	ihl
uint8_t	version
uint8_t	tos
uint16_t	tot_len
uint16_t	id
uint16_t	frag_off
uint8_t	ttl
uint8_t	protocol
uint16_t	check
uint32_t	saddr
uint32_t	daddr

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Detailed Description

Defines the IPv4 header.

Author:

Free Software Foundation, Inc

This file contains a part of netinet/ip.h from the GNU C library. It is copied here to be portable on all platforms, even the platforms that miss the declarations or got different declarations, such as Microsoft Windows or FreeBSD.

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Define Documentation

#define IP_DF   0x4000 /* dont fragment flag */

Referenced by ip_is_fragment().

#define IP_MF   0x2000 /* more fragments flag */

#define IP_OFFMASK   0x1fff /* mask for fragmenting bits */

#define IP_RF   0x8000 /* reserved fragment flag */

---

Function Documentation

struct ipv4_hdr __attribute__

(

(packed)

)

---

Variable Documentation

uint16_t check

uint32_t daddr

Referenced by c_generic_check_profile(), code_ipv4_static_part(), and code_ipv6_static_part().

uint16_t frag_off

uint16_t id

Referenced by code_ipv4_dynamic_part(), code_uo_remainder(), and ipv4_get_id_nbo().

uint8_t ihl

uint8_t protocol

Referenced by code_ipv4_static_part(), code_ipv6_static_part(), ext_get_protocol(), header_fields(), and ip_get_protocol().

uint32_t saddr

Referenced by c_generic_check_profile(), code_ipv4_static_part(), and code_ipv6_static_part().

uint8_t tos

Referenced by code_ipv4_dynamic_part(), code_ipv6_dynamic_part(), header_fields(), and ip_get_tos().

uint16_t tot_len

uint8_t ttl

Referenced by code_ipv4_dynamic_part(), code_ipv6_dynamic_part(), header_fields(), and ip_get_ttl().

uint8_t version

Referenced by c_generic_check_profile(), c_udp_check_context(), compute_crc_dynamic(), compute_crc_static(), and ip_create().