| ip.h (121684) | ip.h (125680) |
|---|---|
| 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 8.2 (Berkeley) 6/1/94 | 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 8.2 (Berkeley) 6/1/94 |
| 34 * $FreeBSD: head/sys/netinet/ip.h 121684 2003-10-29 15:07:04Z ume $ | 34 * $FreeBSD: head/sys/netinet/ip.h 125680 2004-02-11 04:26:04Z bms $ |
| 35 */ 36 37#ifndef _NETINET_IP_H_ 38#define _NETINET_IP_H_ 39 40#include <sys/cdefs.h> 41 42/* --- 145 unchanged lines hidden (view full) --- 188 */ 189#define MAXTTL 255 /* maximum time to live (seconds) */ 190#define IPDEFTTL 64 /* default ttl, from RFC 1340 */ 191#define IPFRAGTTL 60 /* time to live for frags, slowhz */ 192#define IPTTLDEC 1 /* subtracted when forwarding */ 193 194#define IP_MSS 576 /* default maximum segment size */ 195 | 35 */ 36 37#ifndef _NETINET_IP_H_ 38#define _NETINET_IP_H_ 39 40#include <sys/cdefs.h> 41 42/* --- 145 unchanged lines hidden (view full) --- 188 */ 189#define MAXTTL 255 /* maximum time to live (seconds) */ 190#define IPDEFTTL 64 /* default ttl, from RFC 1340 */ 191#define IPFRAGTTL 60 /* time to live for frags, slowhz */ 192#define IPTTLDEC 1 /* subtracted when forwarding */ 193 194#define IP_MSS 576 /* default maximum segment size */ 195 |
| 196/* 197 * This is the real IPv4 pseudo header, used for computing the TCP and UDP 198 * checksums. For the Internet checksum, struct ipovly can be used instead. 199 * For stronger checksums, the real thing must be used. 200 */ 201struct ippseudo { 202 struct in_addr ippseudo_src; /* source internet address */ 203 struct in_addr ippseudo_dst; /* destination internet address */ 204 u_int8_t ippseudo_pad; /* pad, must be zero */ 205 u_int8_t ippseudo_p; /* protocol */ 206 u_int16_t ippseudo_len; /* protocol length */ 207} __packed; |
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| 196#endif | 208#endif |