diff options
Diffstat (limited to 'cpukit/libnetworking/netinet/ip.h')
| -rw-r--r-- | cpukit/libnetworking/netinet/ip.h | 230 |
1 files changed, 0 insertions, 230 deletions
diff --git a/cpukit/libnetworking/netinet/ip.h b/cpukit/libnetworking/netinet/ip.h deleted file mode 100644 index 6a2dcad65b..0000000000 --- a/cpukit/libnetworking/netinet/ip.h +++ /dev/null @@ -1,230 +0,0 @@ -/* - * Copyright (c) 1982, 1986, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)ip.h 8.2 (Berkeley) 6/1/94 - * $FreeBSD: src/sys/netinet/ip.h,v 1.29 2005/01/07 01:45:44 imp Exp $ - */ - - -#ifndef _NETINET_IP_H_ -#define _NETINET_IP_H_ - -#include <sys/cdefs.h> -#include <netinet/in.h> /* struct in_addr */ -#include <netinet/in_systm.h> /* n_long */ - -/* - * Definitions for internet protocol version 4. - * Per RFC 791, September 1981. - */ -#define IPVERSION 4 - -#ifndef __packed -#if defined(__GNUC__) -#define __packed __attribute__((packed)) -#define __aligned(x) __attribute__((aligned(x))) -#else -#define __packed -#define __aligned(x) -#endif -#endif - -/* - * Structure of an internet header, naked of options. - */ -struct ip { -#ifdef _IP_VHL - u_char ip_vhl; /* version << 4 | header length >> 2 */ -#else -#if BYTE_ORDER == LITTLE_ENDIAN - u_int ip_hl:4, /* header length */ - ip_v:4; /* version */ -#endif -#if BYTE_ORDER == BIG_ENDIAN - u_int ip_v:4, /* version */ - ip_hl:4; /* header length */ -#endif -#endif /* not _IP_VHL */ - u_char ip_tos; /* type of service */ - u_short ip_len; /* total length */ - u_short ip_id; /* identification */ - u_short ip_off; /* fragment offset field */ -#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 */ - u_char ip_ttl; /* time to live */ - u_char ip_p; /* protocol */ - u_short ip_sum; /* checksum */ - struct in_addr ip_src,ip_dst; /* source and dest address */ -} __packed __aligned(4); - -#ifdef _IP_VHL -#define IP_MAKE_VHL(v, hl) ((v) << 4 | (hl)) -#define IP_VHL_HL(vhl) ((vhl) & 0x0f) -#define IP_VHL_V(vhl) ((vhl) >> 4) -#define IP_VHL_BORING 0x45 -#endif - -#ifdef CTASSERT -CTASSERT(sizeof (struct ip) == 20); -#endif - -#define IP_MAXPACKET 65535L /* maximum packet size */ - -/* - * Definitions for IP type of service (ip_tos) - */ -#define IPTOS_LOWDELAY 0x10 -#define IPTOS_THROUGHPUT 0x08 -#define IPTOS_RELIABILITY 0x04 -#define IPTOS_MINCOST 0x02 -#if 1 -/* ECN RFC3168 obsoletes RFC2481, and these will be deprecated soon. */ -#define IPTOS_CE 0x01 -#define IPTOS_ECT 0x02 -#endif - -/* - * 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 - -/* - * ECN (Explicit Congestion Notification) codepoints in RFC3168 - * mapped to the lower 2 bits of the TOS field. - */ -#define IPTOS_ECN_NOTECT 0x00 /* not-ECT */ -#define IPTOS_ECN_ECT1 0x01 /* ECN-capable transport (1) */ -#define IPTOS_ECN_ECT0 0x02 /* ECN-capable transport (0) */ -#define IPTOS_ECN_CE 0x03 /* congestion experienced */ -#define IPTOS_ECN_MASK 0x03 /* ECN field mask */ - -/* - * Definitions for options. - */ -#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_EOL 0 /* end of option list */ -#define IPOPT_NOP 1 /* no operation */ - -#define IPOPT_RR 7 /* record packet route */ -#define IPOPT_TS 68 /* timestamp */ -#define IPOPT_SECURITY 130 /* provide s,c,h,tcc */ -#define IPOPT_LSRR 131 /* loose source route */ -#define IPOPT_ESO 133 /* extended security */ -#define IPOPT_CIPSO 134 /* commerical security */ -#define IPOPT_SATID 136 /* satnet id */ -#define IPOPT_SSRR 137 /* strict source route */ -#define IPOPT_RA 148 /* router alert */ - -/* - * Offsets to fields in options other than EOL and NOP. - */ -#define IPOPT_OPTVAL 0 /* option ID */ -#define IPOPT_OLEN 1 /* option length */ -#define IPOPT_OFFSET 2 /* offset within option */ -#define IPOPT_MINOFF 4 /* min value of above */ - -/* - * Time stamp option structure. - */ -struct ip_timestamp { - u_char ipt_code; /* IPOPT_TS */ - u_char ipt_len; /* size of structure (variable) */ - u_char ipt_ptr; /* index of current entry */ -#if BYTE_ORDER == LITTLE_ENDIAN - u_int ipt_flg:4, /* flags, see below */ - ipt_oflw:4; /* overflow counter */ -#endif -#if BYTE_ORDER == BIG_ENDIAN - u_int ipt_oflw:4, /* overflow counter */ - ipt_flg:4; /* flags, see below */ -#endif - union ipt_timestamp { - n_long ipt_time[1]; - struct ipt_ta { - struct in_addr ipt_addr; - n_long ipt_time; - } ipt_ta[1]; - } ipt_timestamp; -}; - -#include <machine/in_cksum.h> - -/* flag bits for ipt_flg */ -#define IPOPT_TS_TSONLY 0 /* timestamps only */ -#define IPOPT_TS_TSANDADDR 1 /* timestamps and addresses */ -#define IPOPT_TS_PRESPEC 3 /* specified modules only */ - -/* 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. - */ -#define MAXTTL 255 /* maximum time to live (seconds) */ -#define IPDEFTTL 64 /* default ttl, from RFC 1340 */ -#define IPFRAGTTL 60 /* time to live for frags, slowhz */ -#define IPTTLDEC 1 /* subtracted when forwarding */ - -#define IP_MSS 576 /* default maximum segment size */ - -/* - * This is the real IPv4 pseudo header, used for computing the TCP and UDP - * checksums. For the Internet checksum, struct ipovly can be used instead. - * For stronger checksums, the real thing must be used. - */ -struct ippseudo { - struct in_addr ippseudo_src; /* source internet address */ - struct in_addr ippseudo_dst; /* destination internet address */ - u_char ippseudo_pad; /* pad, must be zero */ - u_char ippseudo_p; /* protocol */ - u_short ippseudo_len; /* protocol length */ -}; -#endif |