| ip.h (8293) | ip.h (8876) |
|---|---|
| 1/* 2 * Copyright (c) 1982, 1986, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 17 unchanged lines hidden (view full) --- 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)ip.h 8.1 (Berkeley) 6/10/93 | 1/* 2 * Copyright (c) 1982, 1986, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 17 unchanged lines hidden (view full) --- 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)ip.h 8.1 (Berkeley) 6/10/93 |
| 34 * $Id: ip.h,v 1.3 1994/08/21 05:27:30 paul Exp $ | 34 * $Id: ip.h,v 1.4 1995/05/05 14:36:38 ache Exp $ |
| 35 */ 36 37#ifndef _NETINET_IP_H_ 38#define _NETINET_IP_H_ 39 40/* 41 * Definitions for internet protocol version 4. 42 * Per RFC 791, September 1981. 43 */ 44#define IPVERSION 4 45 46/* 47 * Structure of an internet header, naked of options. 48 * 49 * We declare ip_len and ip_off to be short, rather than u_short 50 * pragmatically since otherwise unsigned comparisons can result 51 * against negative integers quite easily, and fail in subtle ways. 52 */ 53struct ip { | 35 */ 36 37#ifndef _NETINET_IP_H_ 38#define _NETINET_IP_H_ 39 40/* 41 * Definitions for internet protocol version 4. 42 * Per RFC 791, September 1981. 43 */ 44#define IPVERSION 4 45 46/* 47 * Structure of an internet header, naked of options. 48 * 49 * We declare ip_len and ip_off to be short, rather than u_short 50 * pragmatically since otherwise unsigned comparisons can result 51 * against negative integers quite easily, and fail in subtle ways. 52 */ 53struct ip { |
| 54#if BYTE_ORDER == LITTLE_ENDIAN | 54#if BYTE_ORDER == LITTLE_ENDIAN |
| 55 u_char ip_hl:4, /* header length */ 56 ip_v:4; /* version */ 57#endif | 55 u_char ip_hl:4, /* header length */ 56 ip_v:4; /* version */ 57#endif |
| 58#if BYTE_ORDER == BIG_ENDIAN | 58#if BYTE_ORDER == BIG_ENDIAN |
| 59 u_char ip_v:4, /* version */ 60 ip_hl:4; /* header length */ 61#endif 62 u_char ip_tos; /* type of service */ 63 short ip_len; /* total length */ 64 u_short ip_id; /* identification */ 65 short ip_off; /* fragment offset field */ 66#define IP_DF 0x4000 /* dont fragment flag */ --- 59 unchanged lines hidden (view full) --- 126 127/* 128 * Time stamp option structure. 129 */ 130struct ip_timestamp { 131 u_char ipt_code; /* IPOPT_TS */ 132 u_char ipt_len; /* size of structure (variable) */ 133 u_char ipt_ptr; /* index of current entry */ | 59 u_char ip_v:4, /* version */ 60 ip_hl:4; /* header length */ 61#endif 62 u_char ip_tos; /* type of service */ 63 short ip_len; /* total length */ 64 u_short ip_id; /* identification */ 65 short ip_off; /* fragment offset field */ 66#define IP_DF 0x4000 /* dont fragment flag */ --- 59 unchanged lines hidden (view full) --- 126 127/* 128 * Time stamp option structure. 129 */ 130struct ip_timestamp { 131 u_char ipt_code; /* IPOPT_TS */ 132 u_char ipt_len; /* size of structure (variable) */ 133 u_char ipt_ptr; /* index of current entry */ |
| 134#if BYTE_ORDER == LITTLE_ENDIAN | 134#if BYTE_ORDER == LITTLE_ENDIAN |
| 135 u_char ipt_flg:4, /* flags, see below */ 136 ipt_oflw:4; /* overflow counter */ 137#endif | 135 u_char ipt_flg:4, /* flags, see below */ 136 ipt_oflw:4; /* overflow counter */ 137#endif |
| 138#if BYTE_ORDER == BIG_ENDIAN | 138#if BYTE_ORDER == BIG_ENDIAN |
| 139 u_char ipt_oflw:4, /* overflow counter */ 140 ipt_flg:4; /* flags, see below */ 141#endif 142 union ipt_timestamp { 143 n_long ipt_time[1]; 144 struct ipt_ta { 145 struct in_addr ipt_addr; 146 n_long ipt_time; --- 29 unchanged lines hidden --- | 139 u_char ipt_oflw:4, /* overflow counter */ 140 ipt_flg:4; /* flags, see below */ 141#endif 142 union ipt_timestamp { 143 n_long ipt_time[1]; 144 struct ipt_ta { 145 struct in_addr ipt_addr; 146 n_long ipt_time; --- 29 unchanged lines hidden --- |