[apple/xnu.git] / bsd / netinet / ip_compat.h

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 * 
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */
/*
 * Copyright (C) 1993-1997 by Darren Reed.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that this notice is preserved and due credit is given
 * to the original author and the contributors.
 *
 * @(#)ip_compat.h	1.8 1/14/96
 */
#include <sys/appleapiopts.h>

#if 0

#ifndef	__IP_COMPAT_H__
#define	__IP_COMPAT_H__

#ifndef	__STDC__
# define	const
#endif

#ifndef	SOLARIS
#define	SOLARIS	(defined(sun) && (defined(__svr4__) || defined(__SVR4)))
#endif

#if defined(_KERNEL) && !defined(KERNEL)
# define	KERNEL
#endif
#if defined(KERNEL) && !defined(_KERNEL)
# define	_KERNEL
#endif
#if!defined(__KERNEL__) && defined(KERNEL)
# define 	__KERNEL__
#endif

#if defined(__SVR4) || defined(__svr4__) || defined(__sgi)
#define index   strchr
# if !defined(_KERNEL)
#  define	bzero(a,b)	memset(a,0,b)
#  define	bcmp		memcmp
#  define	bcopy(a,b,c)	memmove(b,a,c)
# endif
#endif

struct  ether_addr {
        u_char  ether_addr_octet[6];
};

#ifdef	linux
# include <sys/sysmacros.h>
#endif
#if	SOLARIS
# define	MTYPE(m)	((m)->b_datap->db_type)
# include	<sys/ioccom.h>
# include	<sys/sysmacros.h>
# include	<sys/kmem.h>
/*
 * because Solaris 2 defines these in two places :-/
 */
# undef	IPOPT_EOL
# undef	IPOPT_NOP
# undef	IPOPT_LSRR
# undef	IPOPT_RR
# undef	IPOPT_SSRR
# ifndef	_KERNEL
#  define	_KERNEL
#  undef	RES_INIT
#  include <inet/common.h>
#  include <inet/ip.h>
#  include <inet/ip_ire.h>
#  undef	_KERNEL
# else /* _KERNEL */
#  include <inet/common.h>
#  include <inet/ip.h>
#  include <inet/ip_ire.h>
# endif /* _KERNEL */
#endif /* SOLARIS */
#define	IPMINLEN(i, h)	((i)->ip_len >= ((i)->ip_hl * 4 + sizeof(struct h)))

#ifndef	IP_OFFMASK
#define	IP_OFFMASK	0x1fff
#endif

#if	BSD > 199306
# define	USE_QUAD_T
# define	U_QUAD_T	u_quad_t
# define	QUAD_T		quad_t
#else /* BSD > 199306 */
# define	U_QUAD_T	u_int32_t
# define	QUAD_T		long
#endif /* BSD > 199306 */

/*
 * These operating systems already take care of the problem for us.
 */
#if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__) || \
    defined(__sgi)
typedef u_int32_t       u_32_t;
#else
/*
 * Really, any arch where sizeof(long) != sizeof(int).
 */
# if defined(__alpha__) || defined(__alpha)
typedef unsigned int    u_32_t;
# else
typedef u_int32_t   u_32_t;
# endif
#endif /* __NetBSD__ || __OpenBSD__ || __FreeBSD__ || __sgi */

#ifndef	MAX
#define	MAX(a,b)	(((a) > (b)) ? (a) : (b))
#endif

/*
 * Security Options for Intenet Protocol (IPSO) as defined in RFC 1108.
 *
 * Basic Option
 *
 * 00000001   -   (Reserved 4)
 * 00111101   -   Top Secret
 * 01011010   -   Secret
 * 10010110   -   Confidential
 * 01100110   -   (Reserved 3)
 * 11001100   -   (Reserved 2)
 * 10101011   -   Unclassified
 * 11110001   -   (Reserved 1)
 */
#define	IPSO_CLASS_RES4		0x01
#define	IPSO_CLASS_TOPS		0x3d
#define	IPSO_CLASS_SECR		0x5a
#define	IPSO_CLASS_CONF		0x96
#define	IPSO_CLASS_RES3		0x66
#define	IPSO_CLASS_RES2		0xcc
#define	IPSO_CLASS_UNCL		0xab
#define	IPSO_CLASS_RES1		0xf1

#define	IPSO_AUTH_GENSER	0x80
#define	IPSO_AUTH_ESI		0x40
#define	IPSO_AUTH_SCI		0x20
#define	IPSO_AUTH_NSA		0x10
#define	IPSO_AUTH_DOE		0x08
#define	IPSO_AUTH_UN		0x06
#define	IPSO_AUTH_FTE		0x01

/*
 * IP option #defines
 */
/*#define	IPOPT_RR	7 */
#define	IPOPT_ZSU	10	/* ZSU */
#define	IPOPT_MTUP	11	/* MTUP */
#define	IPOPT_MTUR	12	/* MTUR */
#define	IPOPT_ENCODE	15	/* ENCODE */
/*#define	IPOPT_TS	68 */
#define	IPOPT_TR	82	/* TR */
/*#define	IPOPT_SECURITY	130 */
/*#define	IPOPT_LSRR	131 */
#define	IPOPT_E_SEC	133	/* E-SEC */
#define	IPOPT_CIPSO	134	/* CIPSO */
/*#define	IPOPT_SATID	136 */
#ifndef	IPOPT_SID
# define	IPOPT_SID	IPOPT_SATID
#endif
/*#define	IPOPT_SSRR	137 */
#define	IPOPT_ADDEXT	147	/* ADDEXT */
#define	IPOPT_VISA	142	/* VISA */
#define	IPOPT_IMITD	144	/* IMITD */
#define	IPOPT_EIP	145	/* EIP */
#define	IPOPT_FINN	205	/* FINN */


#if defined(__FreeBSD__) && defined(KERNEL)
# if __FreeBSD__ < 3
#  include <machine/spl.h>
# endif
#endif /* __FreeBSD__ && KERNEL */

/*
 * Build some macros and #defines to enable the same code to compile anywhere
 * Well, that's the idea, anyway :-)
 */
#ifdef KERNEL
# if SOLARIS
#  define	MUTEX_ENTER(x)	mutex_enter(x)
#  define	MUTEX_EXIT(x)	mutex_exit(x)
#  define	MTOD(m,t)	(t)((m)->b_rptr)
#  define	IRCOPY(a,b,c)	copyin((a), (b), (c))
#  define	IWCOPY(a,b,c)	copyout((a), (b), (c))
#  define	FREE_MB_T(m)	freemsg(m)
#  define	SPL_NET(x)	;
#  define	SPL_IMP(x)	;
#  undef	SPL_X
#  define	SPL_X(x)	;
#  ifdef sparc
#   define	ntohs(x)	(x)
#   define	ntohl(x)	(x)
#   define	htons(x)	(x)
#   define	htonl(x)	(x)
#  endif /* sparc */
#  define	KMALLOC(a,b,c)	(a) = (b)kmem_alloc((c), KM_NOSLEEP)
#  define	GET_MINOR(x)	getminor(x)
typedef	struct	qif	{
	struct	qif	*qf_next;
	ill_t	*qf_ill;
	kmutex_t	qf_lock;
	void	*qf_iptr;
	void	*qf_optr;
	queue_t	*qf_in;
	queue_t	*qf_out;
	struct	qinit	*qf_wqinfo;
	struct	qinit	*qf_rqinfo;
	struct	qinit	qf_wqinit;
	struct	qinit	qf_rqinit;
	mblk_t	*qf_m;	/* These three fields are for passing data up from */
	queue_t	*qf_q;	/* fr_qin and fr_qout to the packet processing. */
	int	qf_off;
	int	qf_len;	/* this field is used for in ipfr_fastroute */
	char	qf_name[8];
	/*
	 * in case the ILL has disappeared...
	 */
	int	qf_hl;	/* header length */
} qif_t;
extern	ill_t	*get_unit(char *);
#  define	GETUNIT(n)	get_unit((n))
# else /* SOLARIS */
#  if defined(__sgi)
#   include <sys/ksynch.h>
#   define	IPF_LOCK_PL	plhi
#   include <sys/sema.h>
#undef kmutex_t
typedef struct {
	lock_t *l;
	int pl;
} kmutex_t;
#   define	MUTEX_ENTER(x)	(x)->pl = LOCK((x)->l, IPF_LOCK_PL);
#   define	MUTEX_EXIT(x)	UNLOCK((x)->l, (x)->pl);
#  else /* __sgi */
#   define	MUTEX_ENTER(x)	;
#   define	MUTEX_EXIT(x)	;
#  endif /* __sgi */
#  ifndef linux
#   define	FREE_MB_T(m)	m_freem(m)
#   define	MTOD(m,t)	mtod(m,t)
#   define	IRCOPY(a,b,c)	bcopy((a), (b), (c))
#   define	IWCOPY(a,b,c)	bcopy((a), (b), (c))
#  endif /* !linux */
# endif /* SOLARIS */

# ifdef sun
#  if !SOLARIS
#   include	<sys/kmem_alloc.h>
#   define	GETUNIT(n)	ifunit((n), IFNAMSIZ)
#  endif
# else
#  ifndef	linux
#   define	GETUNIT(n)	ifunit((n))
#  endif
# endif /* sun */

# if defined(sun) && !defined(linux) || defined(__sgi)
#  define	UIOMOVE(a,b,c,d)	uiomove((caddr_t)a,b,c,d)
#  define	SLEEP(id, n)	sleep((id), PZERO+1)
#  define	WAKEUP(id)	wakeup(id)
#  define	KFREE(x)	kmem_free((char *)(x), sizeof(*(x)))
#  define	KFREES(x,s)	kmem_free((char *)(x), (s))
#  if !SOLARIS
extern	void	m_copydata(struct mbuf *, int, int, caddr_t);
extern	void	m_copyback(struct mbuf *, int, int, caddr_t);
#  endif
#  ifdef __sgi
#   include <sys/kmem.h>
#   include <sys/ddi.h>
#   define	KMALLOC(a,b,c)	(a) = (b)kmem_alloc((c), KM_NOSLEEP)
#   define	GET_MINOR(x)	getminor(x)
#  else
#   if !SOLARIS
#    define	KMALLOC(a,b,c)	(a) = (b)new_kmem_alloc((c), KMEM_NOSLEEP)
#   endif /* SOLARIS */
#  endif /* __sgi */
# endif /* sun && !linux */
# ifndef	GET_MINOR
#  define	GET_MINOR(x)	minor(x)
# endif
# if (BSD >= 199306) || defined(__FreeBSD__)
#  include <vm/vm.h>
#  if !defined(__FreeBSD__) || (defined (__FreeBSD__) && __FreeBSD__>=3)
#   include <vm/vm_extern.h>
#   include <sys/proc.h>
extern	vm_map_t	kmem_map;
#  else /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD__>=3) */
#   include <vm/vm_kern.h>
#  endif /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD__>=3) */
#  ifdef	M_PFIL
#   define	KMALLOC(a, b, c)	MALLOC((a), b, (c), M_PFIL, M_NOWAIT)
#   define	KFREE(x)	FREE((x), M_PFIL)
#   define	KFREES(x,s)	FREE((x), M_PFIL)
#  else
#   define	KMALLOC(a, b, c)	MALLOC((a), b, (c), M_TEMP, M_NOWAIT)
#   define	KFREE(x)	FREE((x), M_TEMP)
#   define	KFREES(x,s)	FREE((x), M_TEMP)
#  endif /* M_PFIL */
#  define	UIOMOVE(a,b,c,d)	uiomove(a,b,d)
#  define	SLEEP(id, n)	tsleep((id), PPAUSE|PCATCH, n, 0)
#  define	WAKEUP(id)	wakeup(id)
# endif /* BSD */
# if defined(NetBSD) && NetBSD <= 1991011 && NetBSD >= 199407
#  define	SPL_NET(x)	x = splsoftnet()
#  define	SPL_X(x)	(void) splx(x)
# else
#  if !SOLARIS && !defined(linux)
#   define	SPL_IMP(x)	x = splimp()
#   define	SPL_NET(x)	x = splnet()
#   define	SPL_X(x)	(void) splx(x)
#  endif
# endif /* NetBSD && NetBSD <= 1991011 && NetBSD >= 199407 */
# define	PANIC(x,y)	if (x) panic y
#else /* KERNEL */
# define	SLEEP(x,y)	;
# define	WAKEUP(x)	;
# define	PANIC(x,y)	;
# define	MUTEX_ENTER(x)	;
# define	MUTEX_EXIT(x)	;
# define	SPL_NET(x)	;
# define	SPL_IMP(x)	;
# undef		SPL_X
# define	SPL_X(x)	;
/*# define	KMALLOC(a,b,c)	(a) = (b)malloc(c) */
# define	KFREE(x)	FREE(x)
# define	KFREES(x,s)	FREE(x)
# define	GETUNIT(x)	get_unit(x)
# define	IRCOPY(a,b,c)	bcopy((a), (b), (c))
# define	IWCOPY(a,b,c)	bcopy((a), (b), (c))
#endif /* KERNEL */

#if SOLARIS
typedef mblk_t mb_t;
#else
# ifdef	linux
typedef struct sk_buff mb_t;
# else
typedef struct mbuf mb_t;
# endif
#endif /* SOLARIS */

#if defined(linux) || defined(__sgi)
/*
 * These #ifdef's are here mainly for linux, but who knows, they may
 * not be in other places or maybe one day linux will grow up and some
 * of these will turn up there too.
 */
#ifndef	ICMP_MINLEN
# define	ICMP_MINLEN	8
#endif
#ifndef	ICMP_UNREACH
# define	ICMP_UNREACH	ICMP_DEST_UNREACH
#endif
#ifndef	ICMP_SOURCEQUENCH
# define	ICMP_SOURCEQUENCH	ICMP_SOURCE_QUENCH
#endif
#ifndef	ICMP_TIMXCEED
# define	ICMP_TIMXCEED	ICMP_TIME_EXCEEDED
#endif
#ifndef	ICMP_PARAMPROB
# define	ICMP_PARAMPROB	ICMP_PARAMETERPROB
#endif
#ifndef ICMP_TSTAMP
# define	ICMP_TSTAMP	ICMP_TIMESTAMP
#endif
#ifndef ICMP_TSTAMPREPLY
# define	ICMP_TSTAMPREPLY	ICMP_TIMESTAMPREPLY
#endif
#ifndef ICMP_IREQ
# define	ICMP_IREQ	ICMP_INFO_REQUEST
#endif
#ifndef ICMP_IREQREPLY
# define	ICMP_IREQREPLY	ICMP_INFO_REPLY
#endif
#ifndef	ICMP_MASKREQ
# define	ICMP_MASKREQ	ICMP_ADDRESS
#endif
#ifndef ICMP_MASKREPLY
# define	ICMP_MASKREPLY	ICMP_ADDRESSREPLY
#endif
#ifndef	IPVERSION
# define	IPVERSION	4
#endif
#ifndef	IPOPT_MINOFF
# define	IPOPT_MINOFF	4
#endif
#ifndef	IPOPT_COPIED
# define	IPOPT_COPIED(x)	((x)&0x80)
#endif
#ifndef	IPOPT_EOL
# define	IPOPT_EOL	0
#endif
#ifndef	IPOPT_NOP
# define	IPOPT_NOP	1
#endif
#ifndef	IP_MF
# define	IP_MF	((u_short)0x2000)
#endif
#ifndef	ETHERTYPE_IP
# define	ETHERTYPE_IP	((u_short)0x0800)
#endif
#ifndef	TH_FIN
# define	TH_FIN	0x01
#endif
#ifndef	TH_SYN
# define	TH_SYN	0x02
#endif
#ifndef	TH_RST
# define	TH_RST	0x04
#endif
#ifndef	TH_PUSH
# define	TH_PUSH	0x08
#endif
#ifndef	TH_ACK
# define	TH_ACK	0x10
#endif
#ifndef	TH_URG
# define	TH_URG	0x20
#endif
#ifndef	IPOPT_EOL
# define	IPOPT_EOL	0
#endif
#ifndef	IPOPT_NOP
# define	IPOPT_NOP	1
#endif
#ifndef	IPOPT_RR
# define	IPOPT_RR	7
#endif
#ifndef	IPOPT_TS
# define	IPOPT_TS	68
#endif
#ifndef	IPOPT_SECURITY
# define	IPOPT_SECURITY	130
#endif
#ifndef	IPOPT_LSRR
# define	IPOPT_LSRR	131
#endif
#ifndef	IPOPT_SATID
# define	IPOPT_SATID	136
#endif
#ifndef	IPOPT_SSRR
# define	IPOPT_SSRR	137
#endif
#ifndef	IPOPT_SECUR_UNCLASS
# define	IPOPT_SECUR_UNCLASS	((u_short)0x0000)
#endif
#ifndef	IPOPT_SECUR_CONFID
# define	IPOPT_SECUR_CONFID	((u_short)0xf135)
#endif
#ifndef	IPOPT_SECUR_EFTO
# define	IPOPT_SECUR_EFTO	((u_short)0x789a)
#endif
#ifndef	IPOPT_SECUR_MMMM
# define	IPOPT_SECUR_MMMM	((u_short)0xbc4d)
#endif
#ifndef	IPOPT_SECUR_RESTR
# define	IPOPT_SECUR_RESTR	((u_short)0xaf13)
#endif
#ifndef	IPOPT_SECUR_SECRET
# define	IPOPT_SECUR_SECRET	((u_short)0xd788)
#endif
#ifndef IPOPT_SECUR_TOPSECRET
# define	IPOPT_SECUR_TOPSECRET	((u_short)0x6bc5)
#endif
#ifndef IPOPT_OLEN
# define	IPOPT_OLEN	1
#endif
#endif /* linux || __sgi */

#ifdef	linux
/*
 * TCP States
 */
#define	TCPS_CLOSED		0	/* closed */
#define	TCPS_LISTEN		1	/* listening for connection */
#define	TCPS_SYN_SENT		2	/* active, have sent syn */
#define	TCPS_SYN_RECEIVED	3	/* have send and received syn */
/* states < TCPS_ESTABLISHED are those where connections not established */
#define	TCPS_ESTABLISHED	4	/* established */
#define	TCPS_CLOSE_WAIT		5	/* rcvd fin, waiting for close */
/* states > TCPS_CLOSE_WAIT are those where user has closed */
#define	TCPS_FIN_WAIT_1		6	/* have closed, sent fin */
#define	TCPS_CLOSING		7	/* closed xchd FIN; await FIN ACK */
#define	TCPS_LAST_ACK		8	/* had fin and close; await FIN ACK */
/* states > TCPS_CLOSE_WAIT && < TCPS_FIN_WAIT_2 await ACK of FIN */
#define	TCPS_FIN_WAIT_2		9	/* have closed, fin is acked */
#define	TCPS_TIME_WAIT		10	/* in 2*msl quiet wait after close */

/*
 * file flags.
 */
#define	FWRITE	WRITE
#define	FREAD	READ
/*
 * mbuf related problems.
 */
#define	mtod(m,t)	(t)((m)->data)
#define	m_len		len
#define	m_next		next

#define	IP_DF		0x8000

typedef	struct	{
	__u16	th_sport;
	__u16	th_dport;
	__u32	th_seq;
	__u32	th_ack;
# if defined(__i386__) || defined(__MIPSEL__) || defined(__alpha__) ||\
    defined(vax)
	__u8	th_res:4;
	__u8	th_off:4;
#else
	__u8	th_off:4;
	__u8	th_res:4;
#endif
	__u8	th_flags;
	__u16	th_win;
	__u16	th_sum;
	__u16	th_urp;
} tcphdr_t;

typedef	struct	{
	__u16	uh_sport;
	__u16	uh_dport;
	__u16	uh_ulen;
	__u16	uh_sum;
} udphdr_t;

typedef	struct	{
# if defined(__i386__) || defined(__MIPSEL__) || defined(__alpha__) ||\
    defined(vax)
	__u8	ip_hl:4;
	__u8	ip_v:4;
# else
	__u8	ip_hl:4;
	__u8	ip_v:4;
# endif
	__u8	ip_tos;
	__u16	ip_len;
	__u16	ip_id;
	__u16	ip_off;
	__u8	ip_ttl;
	__u8	ip_p;
	__u16	ip_sum;
	struct	in_addr	ip_src;
	struct	in_addr	ip_dst;
} ip_t;

/*
 * Structure of an icmp header.
 */
typedef struct icmp {
	u_char	icmp_type;		/* type of message, see below */
	u_char	icmp_code;		/* type sub code */
	u_short	icmp_cksum;		/* ones complement cksum of struct */
	union {
		u_char ih_pptr;			/* ICMP_PARAMPROB */
		struct in_addr ih_gwaddr;	/* ICMP_REDIRECT */
		struct ih_idseq {
			n_short	icd_id;
			n_short	icd_seq;
		} ih_idseq;
		int ih_void;
	} icmp_hun;
# define	icmp_pptr	icmp_hun.ih_pptr
# define	icmp_gwaddr	icmp_hun.ih_gwaddr
# define	icmp_id		icmp_hun.ih_idseq.icd_id
# define	icmp_seq	icmp_hun.ih_idseq.icd_seq
# define	icmp_void	icmp_hun.ih_void
	union {
		struct id_ts {
			n_time its_otime;
			n_time its_rtime;
			n_time its_ttime;
		} id_ts;
		struct id_ip  {
			ip_t idi_ip;
			/* options and then 64 bits of data */
		} id_ip;
		u_int32_t	id_mask;
		char	id_data[1];
	} icmp_dun;
# define	icmp_otime	icmp_dun.id_ts.its_otime
# define	icmp_rtime	icmp_dun.id_ts.its_rtime
# define	icmp_ttime	icmp_dun.id_ts.its_ttime
# define	icmp_ip		icmp_dun.id_ip.idi_ip
# define	icmp_mask	icmp_dun.id_mask
# define	icmp_data	icmp_dun.id_data
} icmphdr_t;

# ifndef LINUX_IPOVLY
#  define LINUX_IPOVLY
struct ipovly {
	caddr_t	ih_next, ih_prev;	/* for protocol sequence q's */
	u_char	ih_x1;			/* (unused) */
	u_char	ih_pr;			/* protocol */
	short	ih_len;			/* protocol length */
	struct	in_addr ih_src;		/* source internet address */
	struct	in_addr ih_dst;		/* destination internet address */
};
# endif

typedef struct  {
	__u8	ether_dhost[6];
	__u8	ether_shost[6];
	__u16	ether_type;
} ether_header_t;

typedef	struct	uio	{
	int	uio_resid;
	int	uio_rw;
	caddr_t	uio_buf;
} uio_t;

# define	UIO_READ	0
# define	UIO_WRITE	1
# define	UIOMOVE(a, b, c, d)	uiomove(a,b,c,d)

/*
 * For masking struct ifnet onto struct device
 */
# define	if_name	name

# ifdef	KERNEL
#  define	GETUNIT(x)	dev_get(x)
#  define	FREE_MB_T(m)	kfree_skb(m, FREE_WRITE)
#  define	uniqtime	do_gettimeofday
#  undef INT_MAX
#  undef UINT_MAX
#  undef LONG_MAX
#  undef ULONG_MAX
#  include <linux/netdevice.h>
#  define	SPL_X(x)
#  define	SPL_NET(x)
#  define	SPL_IMP(x)
 
#  define	bcmp(a,b,c)	memcmp(a,b,c)
#  define	bcopy(a,b,c)	memcpy(b,a,c)
#  define	bzero(a,c)	memset(a,0,c)

#  define	UNITNAME(n)	dev_get((n))

#  define	KMALLOC(a,b,c)	(a) = (b)kmalloc((c), GFP_ATOMIC)
#  define	KFREE(x)	kfree_s((x), sizeof(*(x)))
#  define	KFREES(x,s)	kfree_s((x), (s))
#  define	IRCOPY(a,b,c)	{ \
				 error = verify_area(VERIFY_READ, (a) ,(c)); \
				 if (!error) \
					memcpy_fromfs((b), (a), (c)); \
				}
#  define	IWCOPY(a,b,c)	{ \
				 error = verify_area(VERIFY_WRITE, (b), (c)); \
				 if (!error) \
					memcpy_tofs((b), (a), (c)); \
				}
# else
#  define	__KERNEL__
#  undef INT_MAX
#  undef UINT_MAX
#  undef LONG_MAX
#  undef ULONG_MAX
#  define	s8 __s8
#  define	u8 __u8
#  define	s16 __s16
#  define	u16 __u16
#  define	s32 __s32
#  define	u32 __u32
#  include <linux/netdevice.h>
#  undef	__KERNEL__
# endif
# define	ifnet	device
#else
typedef	struct	tcphdr	tcphdr_t;
typedef	struct	udphdr	udphdr_t;
typedef	struct	icmp	icmphdr_t;
typedef	struct	ip	ip_t;
typedef	struct	ether_header	ether_header_t;
#endif /* linux */
typedef	struct	tcpiphdr	tcpiphdr_t;

#if defined(hpux) || defined(linux)
struct	ether_addr	{
	char	ether_addr_octet[6];
};
#endif

/*
 * XXX - This is one of those *awful* hacks which nobody likes
 */
#ifdef	ultrix
#define	A_A
#else
#define	A_A	&
#endif

#ifndef	ICMP_ROUTERADVERT
# define	ICMP_ROUTERADVERT	9
#endif
#ifndef	ICMP_ROUTERSOLICIT
# define	ICMP_ROUTERSOLICIT	10
#endif

#endif	/* __IP_COMPAT_H__ */

#endif /* #if 0 */
Commit	Line	Data
1c79356b	1	/*
5d5c5d0d A	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
5d5c5d0d A	3	*
2d21ac55	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
1c79356b	5	*
2d21ac55 A	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
8f6c56a5	14	*
2d21ac55 A	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
8f6c56a5 A	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
8f6c56a5 A	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55 A	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
	24	* limitations under the License.
8f6c56a5	25	*
2d21ac55	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b A	27	*/
	28	/*
	29	* Copyright (C) 1993-1997 by Darren Reed.
	30	*
	31	* Redistribution and use in source and binary forms are permitted
	32	* provided that this notice is preserved and due credit is given
	33	* to the original author and the contributors.
	34	*
	35	* @(#)ip_compat.h 1.8 1/14/96
	36	*/
9bccf70c	37	#include <sys/appleapiopts.h>
1c79356b A	38
	39	#if 0
	40
	41	#ifndef __IP_COMPAT_H__
	42	#define __IP_COMPAT_H__
	43
91447636 A	44	#ifndef __STDC__
91447636 A	45	# define const
1c79356b A	46	#endif
	47
	48	#ifndef SOLARIS
	49	#define SOLARIS (defined(sun) && (defined(__svr4__) \|\| defined(__SVR4)))
	50	#endif
	51
	52	#if defined(_KERNEL) && !defined(KERNEL)
	53	# define KERNEL
	54	#endif
	55	#if defined(KERNEL) && !defined(_KERNEL)
	56	# define _KERNEL
	57	#endif
	58	#if!defined(__KERNEL__) && defined(KERNEL)
	59	# define __KERNEL__
	60	#endif
	61
	62	#if defined(__SVR4) \|\| defined(__svr4__) \|\| defined(__sgi)
	63	#define index strchr
	64	# if !defined(_KERNEL)
	65	# define bzero(a,b) memset(a,0,b)
	66	# define bcmp memcmp
	67	# define bcopy(a,b,c) memmove(b,a,c)
	68	# endif
	69	#endif
	70
	71	struct ether_addr {
	72	u_char ether_addr_octet[6];
	73	};
	74
1c79356b A	75	#ifdef linux
	76	# include <sys/sysmacros.h>
	77	#endif
	78	#if SOLARIS
	79	# define MTYPE(m) ((m)->b_datap->db_type)
	80	# include <sys/ioccom.h>
	81	# include <sys/sysmacros.h>
	82	# include <sys/kmem.h>
	83	/*
	84	* because Solaris 2 defines these in two places :-/
	85	*/
	86	# undef IPOPT_EOL
	87	# undef IPOPT_NOP
	88	# undef IPOPT_LSRR
	89	# undef IPOPT_RR
	90	# undef IPOPT_SSRR
	91	# ifndef _KERNEL
	92	# define _KERNEL
	93	# undef RES_INIT
	94	# include <inet/common.h>
	95	# include <inet/ip.h>
	96	# include <inet/ip_ire.h>
	97	# undef _KERNEL
	98	# else /* _KERNEL */
	99	# include <inet/common.h>
	100	# include <inet/ip.h>
	101	# include <inet/ip_ire.h>
	102	# endif /* _KERNEL */
	103	#endif /* SOLARIS */
	104	#define IPMINLEN(i, h) ((i)->ip_len >= ((i)->ip_hl * 4 + sizeof(struct h)))
	105
	106	#ifndef IP_OFFMASK
	107	#define IP_OFFMASK 0x1fff
	108	#endif
	109
	110	#if BSD > 199306
	111	# define USE_QUAD_T
	112	# define U_QUAD_T u_quad_t
	113	# define QUAD_T quad_t
	114	#else /* BSD > 199306 */
b0d623f7	115	# define U_QUAD_T u_int32_t
1c79356b A	116	# define QUAD_T long
	117	#endif /* BSD > 199306 */
	118
	119	/*
	120	* These operating systems already take care of the problem for us.
	121	*/
	122	#if defined(__NetBSD__) \|\| defined(__OpenBSD__) \|\| defined(__FreeBSD__) \|\| \
	123	defined(__sgi)
	124	typedef u_int32_t u_32_t;
	125	#else
	126	/*
	127	* Really, any arch where sizeof(long) != sizeof(int).
	128	*/
	129	# if defined(__alpha__) \|\| defined(__alpha)
	130	typedef unsigned int u_32_t;
	131	# else
b0d623f7	132	typedef u_int32_t u_32_t;
1c79356b A	133	# endif
	134	#endif /* __NetBSD__ \|\| __OpenBSD__ \|\| __FreeBSD__ \|\| __sgi */
	135
	136	#ifndef MAX
	137	#define MAX(a,b) (((a) > (b)) ? (a) : (b))
	138	#endif
	139
	140	/*
	141	* Security Options for Intenet Protocol (IPSO) as defined in RFC 1108.
	142	*
	143	* Basic Option
	144	*
	145	* 00000001 - (Reserved 4)
	146	* 00111101 - Top Secret
	147	* 01011010 - Secret
	148	* 10010110 - Confidential
	149	* 01100110 - (Reserved 3)
	150	* 11001100 - (Reserved 2)
	151	* 10101011 - Unclassified
	152	* 11110001 - (Reserved 1)
	153	*/
	154	#define IPSO_CLASS_RES4 0x01
	155	#define IPSO_CLASS_TOPS 0x3d
	156	#define IPSO_CLASS_SECR 0x5a
	157	#define IPSO_CLASS_CONF 0x96
	158	#define IPSO_CLASS_RES3 0x66
	159	#define IPSO_CLASS_RES2 0xcc
	160	#define IPSO_CLASS_UNCL 0xab
	161	#define IPSO_CLASS_RES1 0xf1
	162
	163	#define IPSO_AUTH_GENSER 0x80
	164	#define IPSO_AUTH_ESI 0x40
	165	#define IPSO_AUTH_SCI 0x20
	166	#define IPSO_AUTH_NSA 0x10
	167	#define IPSO_AUTH_DOE 0x08
	168	#define IPSO_AUTH_UN 0x06
	169	#define IPSO_AUTH_FTE 0x01
	170
	171	/*
	172	* IP option #defines
	173	*/
	174	/#define IPOPT_RR 7 /
	175	#define IPOPT_ZSU 10 /* ZSU */
	176	#define IPOPT_MTUP 11 /* MTUP */
	177	#define IPOPT_MTUR 12 /* MTUR */
	178	#define IPOPT_ENCODE 15 /* ENCODE */
	179	/#define IPOPT_TS 68 /
	180	#define IPOPT_TR 82 /* TR */
	181	/#define IPOPT_SECURITY 130 /
	182	/#define IPOPT_LSRR 131 /
	183	#define IPOPT_E_SEC 133 /* E-SEC */
	184	#define IPOPT_CIPSO 134 /* CIPSO */
	185	/#define IPOPT_SATID 136 /
	186	#ifndef IPOPT_SID
	187	# define IPOPT_SID IPOPT_SATID
	188	#endif
	189	/#define IPOPT_SSRR 137 /
	190	#define IPOPT_ADDEXT 147 /* ADDEXT */
	191	#define IPOPT_VISA 142 /* VISA */
	192	#define IPOPT_IMITD 144 /* IMITD */
	193	#define IPOPT_EIP 145 /* EIP */
	194	#define IPOPT_FINN 205 /* FINN */
	195
	196
197	#if defined(__FreeBSD__) && defined(KERNEL)
198	# if __FreeBSD__ < 3
199	# include <machine/spl.h>
200	# endif
1c79356b A	201	#endif /* __FreeBSD__ && KERNEL */
	202
	203	/*
	204	* Build some macros and #defines to enable the same code to compile anywhere
	205	* Well, that's the idea, anyway :-)
	206	*/
9bccf70c	207	#ifdef KERNEL
1c79356b A	208	# if SOLARIS
	209	# define MUTEX_ENTER(x) mutex_enter(x)
	210	# define MUTEX_EXIT(x) mutex_exit(x)
	211	# define MTOD(m,t) (t)((m)->b_rptr)
	212	# define IRCOPY(a,b,c) copyin((a), (b), (c))
	213	# define IWCOPY(a,b,c) copyout((a), (b), (c))
	214	# define FREE_MB_T(m) freemsg(m)
	215	# define SPL_NET(x) ;
	216	# define SPL_IMP(x) ;
	217	# undef SPL_X
	218	# define SPL_X(x) ;
	219	# ifdef sparc
	220	# define ntohs(x) (x)
	221	# define ntohl(x) (x)
	222	# define htons(x) (x)
	223	# define htonl(x) (x)
	224	# endif /* sparc */
	225	# define KMALLOC(a,b,c) (a) = (b)kmem_alloc((c), KM_NOSLEEP)
	226	# define GET_MINOR(x) getminor(x)
	227	typedef struct qif {
	228	struct qif *qf_next;
	229	ill_t *qf_ill;
	230	kmutex_t qf_lock;
	231	void *qf_iptr;
	232	void *qf_optr;
	233	queue_t *qf_in;
	234	queue_t *qf_out;
	235	struct qinit *qf_wqinfo;
	236	struct qinit *qf_rqinfo;
	237	struct qinit qf_wqinit;
	238	struct qinit qf_rqinit;
	239	mblk_t qf_m; / These three fields are for passing data up from */
	240	queue_t qf_q; / fr_qin and fr_qout to the packet processing. */
	241	int qf_off;
	242	int qf_len; /* this field is used for in ipfr_fastroute */
	243	char qf_name[8];
	244	/*
	245	* in case the ILL has disappeared...
	246	*/
	247	int qf_hl; /* header length */
	248	} qif_t;
91447636	249	extern ill_t get_unit(char );
1c79356b A	250	# define GETUNIT(n) get_unit((n))
	251	# else /* SOLARIS */
	252	# if defined(__sgi)
	253	# include <sys/ksynch.h>
	254	# define IPF_LOCK_PL plhi
	255	# include <sys/sema.h>
	256	#undef kmutex_t
	257	typedef struct {
	258	lock_t *l;
	259	int pl;
	260	} kmutex_t;
	261	# define MUTEX_ENTER(x) (x)->pl = LOCK((x)->l, IPF_LOCK_PL);
	262	# define MUTEX_EXIT(x) UNLOCK((x)->l, (x)->pl);
	263	# else /* __sgi */
	264	# define MUTEX_ENTER(x) ;
	265	# define MUTEX_EXIT(x) ;
	266	# endif /* __sgi */
	267	# ifndef linux
	268	# define FREE_MB_T(m) m_freem(m)
	269	# define MTOD(m,t) mtod(m,t)
	270	# define IRCOPY(a,b,c) bcopy((a), (b), (c))
	271	# define IWCOPY(a,b,c) bcopy((a), (b), (c))
	272	# endif /* !linux */
	273	# endif /* SOLARIS */
	274
	275	# ifdef sun
	276	# if !SOLARIS
	277	# include <sys/kmem_alloc.h>
	278	# define GETUNIT(n) ifunit((n), IFNAMSIZ)
	279	# endif
	280	# else
	281	# ifndef linux
	282	# define GETUNIT(n) ifunit((n))
	283	# endif
	284	# endif /* sun */
	285
	286	# if defined(sun) && !defined(linux) \|\| defined(__sgi)
	287	# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,c,d)
	288	# define SLEEP(id, n) sleep((id), PZERO+1)
	289	# define WAKEUP(id) wakeup(id)
	290	# define KFREE(x) kmem_free((char )(x), sizeof((x)))
	291	# define KFREES(x,s) kmem_free((char *)(x), (s))
	292	# if !SOLARIS
91447636 A	293	extern void m_copydata(struct mbuf *, int, int, caddr_t);
91447636 A	294	extern void m_copyback(struct mbuf *, int, int, caddr_t);
1c79356b A	295	# endif
	296	# ifdef __sgi
	297	# include <sys/kmem.h>
	298	# include <sys/ddi.h>
	299	# define KMALLOC(a,b,c) (a) = (b)kmem_alloc((c), KM_NOSLEEP)
	300	# define GET_MINOR(x) getminor(x)
	301	# else
	302	# if !SOLARIS
	303	# define KMALLOC(a,b,c) (a) = (b)new_kmem_alloc((c), KMEM_NOSLEEP)
	304	# endif /* SOLARIS */
	305	# endif /* __sgi */
	306	# endif /* sun && !linux */
	307	# ifndef GET_MINOR
	308	# define GET_MINOR(x) minor(x)
	309	# endif
	310	# if (BSD >= 199306) \|\| defined(__FreeBSD__)
	311	# include <vm/vm.h>
	312	# if !defined(__FreeBSD__) \|\| (defined (__FreeBSD__) && __FreeBSD__>=3)
	313	# include <vm/vm_extern.h>
	314	# include <sys/proc.h>
	315	extern vm_map_t kmem_map;
	316	# else /* !__FreeBSD__ \|\| (__FreeBSD__ && __FreeBSD__>=3) */
	317	# include <vm/vm_kern.h>
	318	# endif /* !__FreeBSD__ \|\| (__FreeBSD__ && __FreeBSD__>=3) */
	319	# ifdef M_PFIL
	320	# define KMALLOC(a, b, c) MALLOC((a), b, (c), M_PFIL, M_NOWAIT)
	321	# define KFREE(x) FREE((x), M_PFIL)
	322	# define KFREES(x,s) FREE((x), M_PFIL)
	323	# else
	324	# define KMALLOC(a, b, c) MALLOC((a), b, (c), M_TEMP, M_NOWAIT)
	325	# define KFREE(x) FREE((x), M_TEMP)
	326	# define KFREES(x,s) FREE((x), M_TEMP)
	327	# endif /* M_PFIL */
	328	# define UIOMOVE(a,b,c,d) uiomove(a,b,d)
	329	# define SLEEP(id, n) tsleep((id), PPAUSE\|PCATCH, n, 0)
	330	# define WAKEUP(id) wakeup(id)
	331	# endif /* BSD */
	332	# if defined(NetBSD) && NetBSD <= 1991011 && NetBSD >= 199407
	333	# define SPL_NET(x) x = splsoftnet()
	334	# define SPL_X(x) (void) splx(x)
	335	# else
	336	# if !SOLARIS && !defined(linux)
	337	# define SPL_IMP(x) x = splimp()
	338	# define SPL_NET(x) x = splnet()
	339	# define SPL_X(x) (void) splx(x)
	340	# endif
	341	# endif /* NetBSD && NetBSD <= 1991011 && NetBSD >= 199407 */
	342	# define PANIC(x,y) if (x) panic y
	343	#else /* KERNEL */
	344	# define SLEEP(x,y) ;
	345	# define WAKEUP(x) ;
	346	# define PANIC(x,y) ;
	347	# define MUTEX_ENTER(x) ;
	348	# define MUTEX_EXIT(x) ;
	349	# define SPL_NET(x) ;
	350	# define SPL_IMP(x) ;
	351	# undef SPL_X
	352	# define SPL_X(x) ;
	353	/# define KMALLOC(a,b,c) (a) = (b)malloc(c) /
	354	# define KFREE(x) FREE(x)
	355	# define KFREES(x,s) FREE(x)
	356	# define GETUNIT(x) get_unit(x)
	357	# define IRCOPY(a,b,c) bcopy((a), (b), (c))
	358	# define IWCOPY(a,b,c) bcopy((a), (b), (c))
359	#endif /* KERNEL */
360
361	#if SOLARIS
362	typedef mblk_t mb_t;
363	#else
364	# ifdef linux
365	typedef struct sk_buff mb_t;
366	# else
367	typedef struct mbuf mb_t;
368	# endif
369	#endif /* SOLARIS */
370
371	#if defined(linux) \|\| defined(__sgi)
372	/*
373	* These #ifdef's are here mainly for linux, but who knows, they may
374	* not be in other places or maybe one day linux will grow up and some
375	* of these will turn up there too.
376	*/
377	#ifndef ICMP_MINLEN
378	# define ICMP_MINLEN 8
379	#endif
380	#ifndef ICMP_UNREACH
381	# define ICMP_UNREACH ICMP_DEST_UNREACH
382	#endif
383	#ifndef ICMP_SOURCEQUENCH
384	# define ICMP_SOURCEQUENCH ICMP_SOURCE_QUENCH
385	#endif
386	#ifndef ICMP_TIMXCEED
387	# define ICMP_TIMXCEED ICMP_TIME_EXCEEDED
388	#endif
389	#ifndef ICMP_PARAMPROB
390	# define ICMP_PARAMPROB ICMP_PARAMETERPROB
391	#endif
392	#ifndef ICMP_TSTAMP
393	# define ICMP_TSTAMP ICMP_TIMESTAMP
394	#endif
395	#ifndef ICMP_TSTAMPREPLY
396	# define ICMP_TSTAMPREPLY ICMP_TIMESTAMPREPLY
397	#endif
398	#ifndef ICMP_IREQ
399	# define ICMP_IREQ ICMP_INFO_REQUEST
400	#endif
401	#ifndef ICMP_IREQREPLY
402	# define ICMP_IREQREPLY ICMP_INFO_REPLY
403	#endif
404	#ifndef ICMP_MASKREQ
405	# define ICMP_MASKREQ ICMP_ADDRESS
406	#endif
407	#ifndef ICMP_MASKREPLY
408	# define ICMP_MASKREPLY ICMP_ADDRESSREPLY
409	#endif
410	#ifndef IPVERSION
411	# define IPVERSION 4
412	#endif
413	#ifndef IPOPT_MINOFF
414	# define IPOPT_MINOFF 4
415	#endif
416	#ifndef IPOPT_COPIED
417	# define IPOPT_COPIED(x) ((x)&0x80)
418	#endif
419	#ifndef IPOPT_EOL
420	# define IPOPT_EOL 0
421	#endif
422	#ifndef IPOPT_NOP
423	# define IPOPT_NOP 1
424	#endif
425	#ifndef IP_MF
426	# define IP_MF ((u_short)0x2000)
427	#endif
428	#ifndef ETHERTYPE_IP
429	# define ETHERTYPE_IP ((u_short)0x0800)
430	#endif
431	#ifndef TH_FIN
432	# define TH_FIN 0x01
433	#endif
434	#ifndef TH_SYN
435	# define TH_SYN 0x02
436	#endif
437	#ifndef TH_RST
438	# define TH_RST 0x04
439	#endif
440	#ifndef TH_PUSH
441	# define TH_PUSH 0x08
442	#endif
443	#ifndef TH_ACK
444	# define TH_ACK 0x10
445	#endif
446	#ifndef TH_URG
447	# define TH_URG 0x20
448	#endif
449	#ifndef IPOPT_EOL
450	# define IPOPT_EOL 0
451	#endif
452	#ifndef IPOPT_NOP
453	# define IPOPT_NOP 1
454	#endif
455	#ifndef IPOPT_RR
456	# define IPOPT_RR 7
457	#endif
458	#ifndef IPOPT_TS
459	# define IPOPT_TS 68
460	#endif
461	#ifndef IPOPT_SECURITY
462	# define IPOPT_SECURITY 130
463	#endif
464	#ifndef IPOPT_LSRR
465	# define IPOPT_LSRR 131
466	#endif
467	#ifndef IPOPT_SATID
468	# define IPOPT_SATID 136
469	#endif
470	#ifndef IPOPT_SSRR
471	# define IPOPT_SSRR 137
472	#endif
473	#ifndef IPOPT_SECUR_UNCLASS
474	# define IPOPT_SECUR_UNCLASS ((u_short)0x0000)
475	#endif
476	#ifndef IPOPT_SECUR_CONFID
477	# define IPOPT_SECUR_CONFID ((u_short)0xf135)
478	#endif
479	#ifndef IPOPT_SECUR_EFTO
480	# define IPOPT_SECUR_EFTO ((u_short)0x789a)
481	#endif
482	#ifndef IPOPT_SECUR_MMMM
483	# define IPOPT_SECUR_MMMM ((u_short)0xbc4d)
484	#endif
485	#ifndef IPOPT_SECUR_RESTR
486	# define IPOPT_SECUR_RESTR ((u_short)0xaf13)
487	#endif
488	#ifndef IPOPT_SECUR_SECRET
489	# define IPOPT_SECUR_SECRET ((u_short)0xd788)
490	#endif
491	#ifndef IPOPT_SECUR_TOPSECRET
492	# define IPOPT_SECUR_TOPSECRET ((u_short)0x6bc5)
493	#endif
494	#ifndef IPOPT_OLEN
495	# define IPOPT_OLEN 1
496	#endif
497	#endif /* linux \|\| __sgi */
498
499	#ifdef linux
500	/*
501	* TCP States
502	*/
503	#define TCPS_CLOSED 0 /* closed */
504	#define TCPS_LISTEN 1 /* listening for connection */
505	#define TCPS_SYN_SENT 2 /* active, have sent syn */
506	#define TCPS_SYN_RECEIVED 3 /* have send and received syn */
507	/* states < TCPS_ESTABLISHED are those where connections not established */
508	#define TCPS_ESTABLISHED 4 /* established */
509	#define TCPS_CLOSE_WAIT 5 /* rcvd fin, waiting for close */
510	/* states > TCPS_CLOSE_WAIT are those where user has closed */
511	#define TCPS_FIN_WAIT_1 6 /* have closed, sent fin */
512	#define TCPS_CLOSING 7 /* closed xchd FIN; await FIN ACK */
513	#define TCPS_LAST_ACK 8 /* had fin and close; await FIN ACK */
514	/* states > TCPS_CLOSE_WAIT && < TCPS_FIN_WAIT_2 await ACK of FIN */
515	#define TCPS_FIN_WAIT_2 9 /* have closed, fin is acked */
516	#define TCPS_TIME_WAIT 10 /* in 2msl quiet wait after close /
517
518	/*
519	* file flags.
520	*/
521	#define FWRITE WRITE
522	#define FREAD READ
523	/*
524	* mbuf related problems.
525	*/
526	#define mtod(m,t) (t)((m)->data)
527	#define m_len len
528	#define m_next next
529
530	#define IP_DF 0x8000
531
532	typedef struct {
533	__u16 th_sport;
534	__u16 th_dport;
535	__u32 th_seq;
536	__u32 th_ack;
537	# if defined(__i386__) \|\| defined(__MIPSEL__) \|\| defined(__alpha__) \|\|\
538	defined(vax)
539	__u8 th_res:4;
540	__u8 th_off:4;
541	#else
542	__u8 th_off:4;
543	__u8 th_res:4;
544	#endif
545	__u8 th_flags;
546	__u16 th_win;
547	__u16 th_sum;
548	__u16 th_urp;
549	} tcphdr_t;
550
551	typedef struct {
552	__u16 uh_sport;
553	__u16 uh_dport;
554	__u16 uh_ulen;
555	__u16 uh_sum;
556	} udphdr_t;
557
558	typedef struct {
559	# if defined(__i386__) \|\| defined(__MIPSEL__) \|\| defined(__alpha__) \|\|\
560	defined(vax)
561	__u8 ip_hl:4;
562	__u8 ip_v:4;
563	# else
564	__u8 ip_hl:4;
565	__u8 ip_v:4;
566	# endif
567	__u8 ip_tos;
568	__u16 ip_len;
569	__u16 ip_id;
570	__u16 ip_off;
571	__u8 ip_ttl;
572	__u8 ip_p;
573	__u16 ip_sum;
574	struct in_addr ip_src;
575	struct in_addr ip_dst;
576	} ip_t;
577
578	/*
579	* Structure of an icmp header.
580	*/
581	typedef struct icmp {
582	u_char icmp_type; /* type of message, see below */
583	u_char icmp_code; /* type sub code */
584	u_short icmp_cksum; /* ones complement cksum of struct */
585	union {
586	u_char ih_pptr; /* ICMP_PARAMPROB */
587	struct in_addr ih_gwaddr; /* ICMP_REDIRECT */
588	struct ih_idseq {
589	n_short icd_id;
590	n_short icd_seq;
591	} ih_idseq;
592	int ih_void;
593	} icmp_hun;
594	# define icmp_pptr icmp_hun.ih_pptr
595	# define icmp_gwaddr icmp_hun.ih_gwaddr
596	# define icmp_id icmp_hun.ih_idseq.icd_id
597	# define icmp_seq icmp_hun.ih_idseq.icd_seq
598	# define icmp_void icmp_hun.ih_void
599	union {
600	struct id_ts {
601	n_time its_otime;
602	n_time its_rtime;
603	n_time its_ttime;
604	} id_ts;
605	struct id_ip {
606	ip_t idi_ip;
607	/* options and then 64 bits of data */
608	} id_ip;
b0d623f7	609	u_int32_t id_mask;
1c79356b A	610	char id_data[1];
	611	} icmp_dun;
	612	# define icmp_otime icmp_dun.id_ts.its_otime
	613	# define icmp_rtime icmp_dun.id_ts.its_rtime
	614	# define icmp_ttime icmp_dun.id_ts.its_ttime
	615	# define icmp_ip icmp_dun.id_ip.idi_ip
	616	# define icmp_mask icmp_dun.id_mask
	617	# define icmp_data icmp_dun.id_data
	618	} icmphdr_t;
	619
	620	# ifndef LINUX_IPOVLY
	621	# define LINUX_IPOVLY
	622	struct ipovly {
	623	caddr_t ih_next, ih_prev; /* for protocol sequence q's */
	624	u_char ih_x1; /* (unused) */
	625	u_char ih_pr; /* protocol */
	626	short ih_len; /* protocol length */
	627	struct in_addr ih_src; /* source internet address */
	628	struct in_addr ih_dst; /* destination internet address */
	629	};
	630	# endif
	631
	632	typedef struct {
	633	__u8 ether_dhost[6];
	634	__u8 ether_shost[6];
	635	__u16 ether_type;
	636	} ether_header_t;
	637
	638	typedef struct uio {
	639	int uio_resid;
	640	int uio_rw;
	641	caddr_t uio_buf;
	642	} uio_t;
	643
	644	# define UIO_READ 0
	645	# define UIO_WRITE 1
	646	# define UIOMOVE(a, b, c, d) uiomove(a,b,c,d)
	647
	648	/*
	649	* For masking struct ifnet onto struct device
	650	*/
	651	# define if_name name
	652
	653	# ifdef KERNEL
	654	# define GETUNIT(x) dev_get(x)
	655	# define FREE_MB_T(m) kfree_skb(m, FREE_WRITE)
	656	# define uniqtime do_gettimeofday
	657	# undef INT_MAX
	658	# undef UINT_MAX
	659	# undef LONG_MAX
	660	# undef ULONG_MAX
	661	# include <linux/netdevice.h>
	662	# define SPL_X(x)
	663	# define SPL_NET(x)
	664	# define SPL_IMP(x)
	665
	666	# define bcmp(a,b,c) memcmp(a,b,c)
	667	# define bcopy(a,b,c) memcpy(b,a,c)
	668	# define bzero(a,c) memset(a,0,c)
	669
	670	# define UNITNAME(n) dev_get((n))
	671
	672	# define KMALLOC(a,b,c) (a) = (b)kmalloc((c), GFP_ATOMIC)
	673	# define KFREE(x) kfree_s((x), sizeof(*(x)))
674	# define KFREES(x,s) kfree_s((x), (s))
675	# define IRCOPY(a,b,c) { \
676	error = verify_area(VERIFY_READ, (a) ,(c)); \
677	if (!error) \
678	memcpy_fromfs((b), (a), (c)); \
679	}
680	# define IWCOPY(a,b,c) { \
681	error = verify_area(VERIFY_WRITE, (b), (c)); \
682	if (!error) \
683	memcpy_tofs((b), (a), (c)); \
684	}
685	# else
686	# define __KERNEL__
687	# undef INT_MAX
688	# undef UINT_MAX
689	# undef LONG_MAX
690	# undef ULONG_MAX
691	# define s8 __s8
692	# define u8 __u8
693	# define s16 __s16
694	# define u16 __u16
695	# define s32 __s32
696	# define u32 __u32
697	# include <linux/netdevice.h>
698	# undef __KERNEL__
699	# endif
700	# define ifnet device
701	#else
702	typedef struct tcphdr tcphdr_t;
703	typedef struct udphdr udphdr_t;
704	typedef struct icmp icmphdr_t;
705	typedef struct ip ip_t;
706	typedef struct ether_header ether_header_t;
707	#endif /* linux */
708	typedef struct tcpiphdr tcpiphdr_t;
709
710	#if defined(hpux) \|\| defined(linux)
711	struct ether_addr {
712	char ether_addr_octet[6];
713	};
714	#endif
715
716	/*
717	* XXX - This is one of those awful hacks which nobody likes
718	*/
719	#ifdef ultrix
720	#define A_A
721	#else
722	#define A_A &
723	#endif
724
725	#ifndef ICMP_ROUTERADVERT
726	# define ICMP_ROUTERADVERT 9
727	#endif
728	#ifndef ICMP_ROUTERSOLICIT
729	# define ICMP_ROUTERSOLICIT 10
730	#endif
731
732	#endif /* __IP_COMPAT_H__ */
733
734	#endif /* #if 0 */