symbian-qemu-0.9.1-12/qemu-symbian-svp/slirp/ip.h
author martin.trojer@nokia.com
Fri, 31 Jul 2009 15:01:17 +0100
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permissions -rw-r--r--
Initial QEMU (symbian-qemu-0.9.1-12) import
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/*
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 * Copyright (c) 1982, 1986, 1993
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 *	The Regents of the University of California.  All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. All advertising materials mentioning features or use of this software
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 *    must display the following acknowledgement:
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 *	This product includes software developed by the University of
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 *	California, Berkeley and its contributors.
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 * 4. Neither the name of the University nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 *
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 *	@(#)ip.h	8.1 (Berkeley) 6/10/93
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 * ip.h,v 1.3 1994/08/21 05:27:30 paul Exp
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 */
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#ifndef _IP_H_
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#define _IP_H_
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#ifdef WORDS_BIGENDIAN
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# ifndef NTOHL
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#  define NTOHL(d)
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# endif
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# ifndef NTOHS
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#  define NTOHS(d)
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# endif
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# ifndef HTONL
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#  define HTONL(d)
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# endif
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# ifndef HTONS
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#  define HTONS(d)
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# endif
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#else
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# ifndef NTOHL
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#  define NTOHL(d) ((d) = ntohl((d)))
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# endif
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# ifndef NTOHS
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#  define NTOHS(d) ((d) = ntohs((u_int16_t)(d)))
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# endif
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# ifndef HTONL
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#  define HTONL(d) ((d) = htonl((d)))
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# endif
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# ifndef HTONS
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#  define HTONS(d) ((d) = htons((u_int16_t)(d)))
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# endif
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#endif
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typedef u_int32_t n_long;                 /* long as received from the net */
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/*
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 * Definitions for internet protocol version 4.
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 * Per RFC 791, September 1981.
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 */
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#define	IPVERSION	4
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/*
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 * Structure of an internet header, naked of options.
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 */
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struct ip {
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#ifdef WORDS_BIGENDIAN
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	u_int ip_v:4,			/* version */
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		ip_hl:4;		/* header length */
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#else
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	u_int ip_hl:4,		/* header length */
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		ip_v:4;			/* version */
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#endif
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	u_int8_t ip_tos;			/* type of service */
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	u_int16_t	ip_len;			/* total length */
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	u_int16_t	ip_id;			/* identification */
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	u_int16_t	ip_off;			/* fragment offset field */
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#define	IP_DF 0x4000			/* don't fragment flag */
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#define	IP_MF 0x2000			/* more fragments flag */
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#define	IP_OFFMASK 0x1fff		/* mask for fragmenting bits */
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	u_int8_t ip_ttl;			/* time to live */
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	u_int8_t ip_p;			/* protocol */
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	u_int16_t	ip_sum;			/* checksum */
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	struct	in_addr ip_src,ip_dst;	/* source and dest address */
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};
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#define	IP_MAXPACKET	65535		/* maximum packet size */
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/*
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 * Definitions for IP type of service (ip_tos)
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 */
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#define	IPTOS_LOWDELAY		0x10
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#define	IPTOS_THROUGHPUT	0x08
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#define	IPTOS_RELIABILITY	0x04
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/*
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 * Definitions for options.
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 */
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#define	IPOPT_COPIED(o)		((o)&0x80)
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#define	IPOPT_CLASS(o)		((o)&0x60)
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#define	IPOPT_NUMBER(o)		((o)&0x1f)
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#define	IPOPT_CONTROL		0x00
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#define	IPOPT_RESERVED1		0x20
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parents:
diff changeset
   118
#define	IPOPT_DEBMEAS		0x40
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   119
#define	IPOPT_RESERVED2		0x60
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   120
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   121
#define	IPOPT_EOL		0		/* end of option list */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   122
#define	IPOPT_NOP		1		/* no operation */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   123
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   124
#define	IPOPT_RR		7		/* record packet route */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   125
#define	IPOPT_TS		68		/* timestamp */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   126
#define	IPOPT_SECURITY		130		/* provide s,c,h,tcc */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   127
#define	IPOPT_LSRR		131		/* loose source route */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   128
#define	IPOPT_SATID		136		/* satnet id */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   129
#define	IPOPT_SSRR		137		/* strict source route */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   130
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   131
/*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   132
 * Offsets to fields in options other than EOL and NOP.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   133
 */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   134
#define	IPOPT_OPTVAL		0		/* option ID */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   135
#define	IPOPT_OLEN		1		/* option length */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   136
#define IPOPT_OFFSET		2		/* offset within option */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   137
#define	IPOPT_MINOFF		4		/* min value of above */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   138
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   139
/*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   140
 * Time stamp option structure.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   141
 */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   142
struct	ip_timestamp {
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   143
	u_int8_t	ipt_code;		/* IPOPT_TS */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   144
	u_int8_t	ipt_len;		/* size of structure (variable) */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   145
	u_int8_t	ipt_ptr;		/* index of current entry */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   146
#ifdef WORDS_BIGENDIAN
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   147
	u_int	ipt_oflw:4,		/* overflow counter */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   148
		ipt_flg:4;		/* flags, see below */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   149
#else
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   150
	u_int	ipt_flg:4,		/* flags, see below */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   151
		ipt_oflw:4;		/* overflow counter */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   152
#endif
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   153
	union ipt_timestamp {
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   154
		n_long	ipt_time[1];
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   155
		struct	ipt_ta {
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   156
			struct in_addr ipt_addr;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   157
			n_long ipt_time;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   158
		} ipt_ta[1];
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   159
	} ipt_timestamp;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   160
};
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   161
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   162
/* flag bits for ipt_flg */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   163
#define	IPOPT_TS_TSONLY		0		/* timestamps only */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   164
#define	IPOPT_TS_TSANDADDR	1		/* timestamps and addresses */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   165
#define	IPOPT_TS_PRESPEC	3		/* specified modules only */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   166
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   167
/* bits for security (not byte swapped) */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   168
#define	IPOPT_SECUR_UNCLASS	0x0000
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   169
#define	IPOPT_SECUR_CONFID	0xf135
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   170
#define	IPOPT_SECUR_EFTO	0x789a
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   171
#define	IPOPT_SECUR_MMMM	0xbc4d
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   172
#define	IPOPT_SECUR_RESTR	0xaf13
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   173
#define	IPOPT_SECUR_SECRET	0xd788
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   174
#define	IPOPT_SECUR_TOPSECRET	0x6bc5
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   175
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   176
/*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   177
 * Internet implementation parameters.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   178
 */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   179
#define	MAXTTL		255		/* maximum time to live (seconds) */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   180
#define	IPDEFTTL	64		/* default ttl, from RFC 1340 */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   181
#define	IPFRAGTTL	60		/* time to live for frags, slowhz */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   182
#define	IPTTLDEC	1		/* subtracted when forwarding */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   183
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   184
#define	IP_MSS		576		/* default maximum segment size */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   185
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   186
#ifdef HAVE_SYS_TYPES32_H  /* Overcome some Solaris 2.x junk */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   187
#include <sys/types32.h>
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   188
#else
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   189
#if SIZEOF_CHAR_P == 4
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   190
typedef caddr_t caddr32_t;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   191
#else
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   192
typedef u_int32_t caddr32_t;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   193
#endif
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   194
#endif
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   195
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   196
#if SIZEOF_CHAR_P == 4
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   197
typedef struct ipq *ipqp_32;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   198
typedef struct ipasfrag *ipasfragp_32;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   199
#else
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   200
typedef caddr32_t ipqp_32;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   201
typedef caddr32_t ipasfragp_32;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   202
#endif
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   203
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   204
/*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   205
 * Overlay for ip header used by other protocols (tcp, udp).
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   206
 */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   207
struct ipovly {
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   208
	caddr32_t	ih_next, ih_prev;	/* for protocol sequence q's */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   209
	u_int8_t	ih_x1;			/* (unused) */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   210
	u_int8_t	ih_pr;			/* protocol */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   211
	u_int16_t	ih_len;			/* protocol length */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   212
	struct	in_addr ih_src;		/* source internet address */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   213
	struct	in_addr ih_dst;		/* destination internet address */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   214
};
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   215
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   216
/*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   217
 * Ip reassembly queue structure.  Each fragment
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   218
 * being reassembled is attached to one of these structures.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   219
 * They are timed out after ipq_ttl drops to 0, and may also
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   220
 * be reclaimed if memory becomes tight.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   221
 * size 28 bytes
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   222
 */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   223
struct ipq {
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   224
	ipqp_32 next,prev;	/* to other reass headers */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   225
	u_int8_t	ipq_ttl;		/* time for reass q to live */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   226
	u_int8_t	ipq_p;			/* protocol of this fragment */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   227
	u_int16_t	ipq_id;			/* sequence id for reassembly */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   228
	ipasfragp_32 ipq_next,ipq_prev;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   229
					/* to ip headers of fragments */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   230
	struct	in_addr ipq_src,ipq_dst;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   231
};
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   232
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   233
/*
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   234
 * Ip header, when holding a fragment.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
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 *
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 * Note: ipf_next must be at same offset as ipq_next above
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 */
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struct	ipasfrag {
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#ifdef WORDS_BIGENDIAN
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	u_int	ip_v:4,
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 		ip_hl:4;
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#else
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	u_int	ip_hl:4,
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		ip_v:4;
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#endif
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                                        /* BUG : u_int changed to u_int8_t.
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                                         * sizeof(u_int)==4 on linux 2.0
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					 */
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        u_int8_t ipf_mff;		/* XXX overlays ip_tos: use low bit
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					 * to avoid destroying tos (PPPDTRuu);
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					 * copied from (ip_off&IP_MF) */
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	u_int16_t	ip_len;
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	u_int16_t	ip_id;
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	u_int16_t	ip_off;
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	u_int8_t	ip_ttl;
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	u_int8_t	ip_p;
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	u_int16_t	ip_sum;
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	ipasfragp_32 ipf_next;		/* next fragment */
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	ipasfragp_32 ipf_prev;		/* previous fragment */
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};
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/*
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 * Structure stored in mbuf in inpcb.ip_options
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 * and passed to ip_output when ip options are in use.
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 * The actual length of the options (including ipopt_dst)
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 * is in m_len.
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 */
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#define MAX_IPOPTLEN	40
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struct ipoption {
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	struct	in_addr ipopt_dst;	/* first-hop dst if source routed */
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	int8_t	ipopt_list[MAX_IPOPTLEN];	/* options proper */
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};
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#ifdef LOG_ENABLED
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/*
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 * Structure attached to inpcb.ip_moptions and
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 * passed to ip_output when IP multicast options are in use.
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 */
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struct	ipstat {
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	u_long	ips_total;		/* total packets received */
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	u_long	ips_badsum;		/* checksum bad */
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	u_long	ips_tooshort;		/* packet too short */
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	u_long	ips_toosmall;		/* not enough data */
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	u_long	ips_badhlen;		/* ip header length < data size */
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	u_long	ips_badlen;		/* ip length < ip header length */
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	u_long	ips_fragments;		/* fragments received */
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	u_long	ips_fragdropped;	/* frags dropped (dups, out of space) */
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	u_long	ips_fragtimeout;	/* fragments timed out */
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	u_long	ips_forward;		/* packets forwarded */
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	u_long	ips_cantforward;	/* packets rcvd for unreachable dest */
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	u_long	ips_redirectsent;	/* packets forwarded on same net */
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	u_long	ips_noproto;		/* unknown or unsupported protocol */
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	u_long	ips_delivered;		/* datagrams delivered to upper level*/
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	u_long	ips_localout;		/* total ip packets generated here */
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	u_long	ips_odropped;		/* lost packets due to nobufs, etc. */
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	u_long	ips_reassembled;	/* total packets reassembled ok */
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	u_long	ips_fragmented;		/* datagrams successfully fragmented */
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	u_long	ips_ofragments;		/* output fragments created */
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	u_long	ips_cantfrag;		/* don't fragment flag was set, etc. */
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	u_long	ips_badoptions;		/* error in option processing */
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	u_long	ips_noroute;		/* packets discarded due to no route */
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	u_long	ips_badvers;		/* ip version != 4 */
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	u_long	ips_rawout;		/* total raw ip packets generated */
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	u_long	ips_unaligned;		/* times the ip packet was not aligned */
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};
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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extern struct	ipstat	ipstat;
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#endif
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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extern struct	ipq	ipq;			/* ip reass. queue */
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extern u_int16_t	ip_id;				/* ip packet ctr, for ids */
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2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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#endif