ip.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Copyright (c) 1982, 1986 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that this notice is preserved and that due credit is given
* to the University of California at Berkeley. The name of the University
* may not be used to endorse or promote products derived from this
* software without specific prior written permission. This software
* is provided ``as is'' without express or implied warranty.
*/
/*
* Definitions for internet protocol version 4.
* Per RFC 791, September 1981.
*/
#ifndef _NETINET_IP_H
#define _NETINET_IP_H
#pragma ident "%Z%%M% %I% %E% SMI"
/* ip.h 1.13 88/08/19 SMI; from UCB 7.6.1.1 3/15/88 */
#include <sys/isa_defs.h>
#ifdef __cplusplus
extern "C" {
#endif
#define IPVERSION 4
/*
* Structure of an internet header, naked of options.
*/
struct ip {
#ifdef _BIT_FIELDS_LTOH
#else
#endif
};
/*
* Definitions for IP type of service (ip_tos)
*/
#define IPTOS_LOWDELAY 0x10
#define IPTOS_THROUGHPUT 0x08
#define IPTOS_RELIABILITY 0x04
/*
* Definitions for IP precedence (also in ip_tos) (hopefully unused)
*/
#define IPTOS_PREC_NETCONTROL 0xe0
#define IPTOS_PREC_INTERNETCONTROL 0xc0
#define IPTOS_PREC_CRITIC_ECP 0xa0
#define IPTOS_PREC_FLASHOVERRIDE 0x80
#define IPTOS_PREC_FLASH 0x60
#define IPTOS_PREC_IMMEDIATE 0x40
#define IPTOS_PREC_PRIORITY 0x20
#define IPTOS_PREC_ROUTINE 0x00
/*
* Definitions for options.
*/
/* Bits in the option value */
#define IPOPT_COPY 0x80
#define IPOPT_COPIED(o) ((o)&0x80)
#define IPOPT_CLASS(o) ((o)&0x60)
#define IPOPT_NUMBER(o) ((o)&0x1f)
#define IPOPT_CONTROL 0x00
#define IPOPT_RESERVED1 0x20
#define IPOPT_DEBMEAS 0x40
#define IPOPT_RESERVED2 0x60
#define IPOPT_EXTSEC 0x85
#define IPOPT_COMSEC 0x86
#define IPOPT_RA 0x94
#define IPOPT_SDMDD 0x95
/*
* Offsets to fields in options other than EOL and NOP.
*/
#define IPOPT_OPTVAL 0 /* option ID */
#define IPOPT_POS_OV_FLG 3
/* Minimum for src and record route options */
#define IPOPT_MINOFF_SR IPOPT_MINOFF
/*
* Time stamp option structure.
*/
struct ip_timestamp {
#ifdef _BIT_FIELDS_LTOH
#else
#endif
union ipt_timestamp {
struct ipt_ta {
} ipt_ta[1];
};
/* flag bits for ipt_flg */
#define IPOPT_TS_TSONLY 0 /* timestamps only */
#define IPOPT_TS_PRESPEC_RFC791 3
/* Minimum for timestamp option */
#define IPOPT_MINOFF_IT 5
#define IPOPT_MINLEN_IT 5
/* bits for security (not byte swapped) */
#define IPOPT_SECUR_UNCLASS 0x0000
#define IPOPT_SECUR_CONFID 0xf135
#define IPOPT_SECUR_EFTO 0x789a
#define IPOPT_SECUR_MMMM 0xbc4d
#define IPOPT_SECUR_RESTR 0xaf13
#define IPOPT_SECUR_SECRET 0xd788
#define IPOPT_SECUR_TOPSECRET 0x6bc5
/*
* Internet implementation parameters.
*/
#ifdef __cplusplus
}
#endif
#endif /* _NETINET_IP_H */