xref: /illumos-gate/usr/src/uts/common/inet/ipf/netinet/ip_compat.h (revision ae7a42b1)

/*
 * Copyright (C) 1993-2001, 2003 by Darren Reed.
 *
 * See the IPFILTER.LICENCE file for details on licencing.
 *
 * @(#)ip_compat.h	1.8 1/14/96
 * $Id: ip_compat.h,v 2.142.2.30 2005/08/11 15:13:49 darrenr Exp $
 *
 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef	__IP_COMPAT_H__
#define	__IP_COMPAT_H__

#ifndef	__P
# ifdef	__STDC__
#  define	__P(x)  x
# else
#  define	__P(x)  ()
# endif
#endif
#ifndef	__STDC__
# undef		const
# define	const
#endif

#if defined(_KERNEL) || defined(KERNEL) || defined(__KERNEL__)
# undef	KERNEL
# undef	_KERNEL
# undef		__KERNEL__
# define	KERNEL
# define	_KERNEL
# define	__KERNEL__
#endif

#ifdef	SOLARIS
#undef	SOLARIS
#endif
#if (defined(sun) && (defined(__svr4__) || defined(__SVR4)))
#define	SOLARIS	(1)
#else
#define	SOLARIS	(0)
#endif
#if SOLARIS2 >= 8
# ifndef	USE_INET6
#  define	USE_INET6
# endif
#endif
#if defined(__FreeBSD_version) && (__FreeBSD_version >= 400000) && \
    !defined(_KERNEL) && !defined(USE_INET6) && !defined(NOINET6)
# define	USE_INET6
#endif
#if defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 105000000) && \
    !defined(_KERNEL) && !defined(USE_INET6)
# define	USE_INET6
# define	IPFILTER_M_IPFILTER
#endif
#if defined(OpenBSD) && (OpenBSD >= 200206) && \
    !defined(_KERNEL) && !defined(USE_INET6)
# define	USE_INET6
#endif
#if defined(__osf__)
# define	USE_INET6
#endif
#if defined(linux) && (!defined(_KERNEL) || defined(CONFIG_IPV6))
# define	USE_INET6
#endif
#if defined(HPUXREV) && (HPUXREV >= 1111)
# define	USE_INET6
#endif

#if defined(BSD) && (BSD < 199103) && defined(__osf__)
# undef BSD
# define BSD 199103
#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

#ifndef LIFNAMSIZ
# ifdef IF_NAMESIZE
#  define	LIFNAMSIZ	IF_NAMESIZE
# else
#  ifdef	IFNAMSIZ
#   define	LIFNAMSIZ	IFNAMSIZ
#  else
#   define	LIFNAMSIZ	16
#  endif
# endif
#endif

#if defined(__sgi) || defined(bsdi) || defined(__hpux) || defined(hpux)
struct  ether_addr {
        u_char  ether_addr_octet[6];
};
#endif

#if defined(__sgi) && !defined(IPFILTER_LKM)
# ifdef __STDC__
#  define IPL_EXTERN(ep) ipfilter##ep
# else
#  define IPL_EXTERN(ep) ipfilter/**/ep
# endif
#else
# ifdef __STDC__
#  define IPL_EXTERN(ep) ipl##ep
# else
#  define IPL_EXTERN(ep) ipl/**/ep
# endif
#endif

/*
 * This is a workaround for <sys/uio.h> troubles on FreeBSD and OpenBSD.
 */
#ifndef linux
# ifndef _KERNEL
#  define ADD_KERNEL
#  define _KERNEL
#  define KERNEL
# endif
# ifdef __OpenBSD__
struct file;
# endif
# include <sys/uio.h>
# ifdef ADD_KERNEL
#  undef _KERNEL
#  undef KERNEL
# endif
#endif


/* ----------------------------------------------------------------------- */
/*                                  S O L A R I S                          */
/* ----------------------------------------------------------------------- */
#ifdef SOLARIS
# define	MENTAT	1
# include	<sys/cmn_err.h>
# include	<sys/isa_defs.h>
# include	<sys/stream.h>
# include	<sys/ioccom.h>
# include	<sys/sysmacros.h>
# include	<sys/kmem.h>
# if SOLARIS2 >= 10
#  include	<sys/procset.h>
#  include	<sys/proc.h>
#  include	<sys/devops.h>
#  include	<sys/ddi_impldefs.h>
#  include	<sys/neti.h>
# endif

/*
 * inet/ip.h would end up including radix.h with _KERNEL, which is not
 * what the tools intend, so include radix.h first.
 */
#if SOLARIS2 > 10
# include <net/radix.h>
#endif
/*
 * because Solaris 2 defines these in two places :-/
 */
# ifndef	KERNEL
#  define	ADD_KERNEL
#  define	_KERNEL
#  undef	RES_INIT
# endif /* _KERNEL */

# if SOLARIS2 >= 8
#  include <netinet/ip6.h>
#  include <netinet/icmp6.h>
# endif

# include <inet/common.h>
/* These 5 are defined in <inet/ip.h> and <netinet/ip.h> */
# undef	IPOPT_EOL
# undef	IPOPT_NOP
# undef	IPOPT_LSRR
# undef	IPOPT_RR
# undef	IPOPT_SSRR
# ifdef i386
#  define _SYS_PROMIF_H
# endif
# ifdef ADD_KERNEL
#  undef _KERNEL
# endif
# include <inet/ip.h>
# undef COPYOUT
# include <inet/ip_ire.h>
# ifndef	KERNEL
#  undef	_KERNEL
# endif
# if SOLARIS2 >= 8
#  define SNPRINTF	snprintf

#  include <inet/ip_if.h>
#  define	ipif_local_addr	ipif_lcl_addr
/* Only defined in private include file */
#  ifndef	V4_PART_OF_V6
#   define	V4_PART_OF_V6(v6)	v6.s6_addr32[3]
#  endif
struct ip6_ext {
	u_char	ip6e_nxt;
	u_char	ip6e_len;
};
# endif /* SOLARIS2 >= 8 */

# ifdef FW_HOOKS

#  define	SOLARIS_PFHOOKS	1

typedef	struct	qpktinfo	{
	/* data that changes per-packet */
	void		*qpi_ill;	/* COPIED */
	mblk_t		*qpi_m;
	void		*qpi_data;	/* where layer 3 header starts */
	size_t		qpi_off;
	int		qpi_flags;	/* Uses FI_* flags */
} qpktinfo_t;

extern void mb_copydata __P((mblk_t *, size_t , size_t, char *));
extern void mb_copyback __P((mblk_t *, size_t , size_t, char *));
# endif

# if SOLARIS2 >= 6
#  include <sys/atomic.h>
typedef	uint32_t	u_32_t;
# else
typedef unsigned int	u_32_t;
# endif
# define	U_32_T	1

# ifdef _KERNEL
#  define	KRWLOCK_T		krwlock_t
#  define	KMUTEX_T		kmutex_t
#  if SOLARIS2 >= 10
#   include <sys/sdt.h>

#   define IPF_IS_LOOPBACK(f)	((f) & FI_NOCKSUM)
#  endif /* SOLARIS2 >= 10 */
#  if SOLARIS2 >= 6
#   if SOLARIS2 == 6
#    define	ATOMIC_INCL(x)		atomic_inc_ulong((uint32_t *)&(x))
#    define	ATOMIC_DECL(x)		atomic_dec_ulong((uint32_t *)&(x))
#   else
#    define	ATOMIC_INCL(x)		atomic_inc_ulong(&(x))
#    define	ATOMIC_DECL(x)		atomic_dec_ulong(&(x))
#   endif /* SOLARIS2 == 6 */
#   define	ATOMIC_INC64(x)		atomic_inc_64((uint64_t *)&(x))
#   define	ATOMIC_INC32(x)		atomic_inc_32((uint32_t *)&(x))
#   define	ATOMIC_INC16(x)		atomic_inc_16((uint16_t *)&(x))
#   define	ATOMIC_DEC64(x)		atomic_dec_64((uint64_t *)&(x))
#   define	ATOMIC_DEC32(x)		atomic_dec_32((uint32_t *)&(x))
#   define	ATOMIC_DEC16(x)		atomic_dec_16((uint16_t *)&(x))
#  else
#   define	ATOMIC_INC(x)		{ mutex_enter(&ipf_rw); (x)++; \
					  mutex_exit(&ipf_rw); }
#   define	ATOMIC_DEC(x)		{ mutex_enter(&ipf_rw); (x)--; \
					  mutex_exit(&ipf_rw); }
#  endif /* SOLARIS2 >= 6 */
#  define	USE_MUTEXES
#  define	MUTEX_ENTER(x)		mutex_enter(&(x)->ipf_lk)
#  define	READ_ENTER(x)		rw_enter(&(x)->ipf_lk, RW_READER)
#  define	WRITE_ENTER(x)		rw_enter(&(x)->ipf_lk, RW_WRITER)
#  define	MUTEX_DOWNGRADE(x)	rw_downgrade(&(x)->ipf_lk)
#  define	RWLOCK_INIT(x, y)	rw_init(&(x)->ipf_lk, (y),  \
						RW_DRIVER, NULL)
#  define	RWLOCK_EXIT(x)		rw_exit(&(x)->ipf_lk)
#  define	RW_DESTROY(x)		rw_destroy(&(x)->ipf_lk)
#  define	MUTEX_INIT(x, y)	mutex_init(&(x)->ipf_lk, (y), \
						   MUTEX_DRIVER, NULL)
#  define	MUTEX_DESTROY(x)	mutex_destroy(&(x)->ipf_lk)
#  define	MUTEX_NUKE(x)		bzero((x), sizeof(*(x)))
#  define	MUTEX_EXIT(x)		mutex_exit(&(x)->ipf_lk)
#  define	COPYIN(a,b,c)	copyin((caddr_t)(a), (caddr_t)(b), (c))
#  define	COPYOUT(a,b,c)	copyout((caddr_t)(a), (caddr_t)(b), (c))
#  define	BCOPYIN(a,b,c)	copyin((caddr_t)(a), (caddr_t)(b), (c))
#  define	BCOPYOUT(a,b,c)	copyout((caddr_t)(a), (caddr_t)(b), (c))
#  define	UIOMOVE(a,b,c,d)	uiomove((caddr_t)a,b,c,d)
#  define	KFREE(x)	kmem_free((char *)(x), sizeof(*(x)))
#  define	KFREES(x,s)	kmem_free((char *)(x), (s))
#  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)	(a) = (b)kmem_alloc(sizeof(*(a)), KM_NOSLEEP)
#  define	KMALLOCS(a,b,c)	(a) = (b)kmem_alloc((c), KM_NOSLEEP)
#  define	GET_MINOR(x)	getminor(x)
/*extern	phy_if_t	get_unit __P((char *, int, ipf_stack_t *));*/
#  define	GETIFP(n, v, ifs)	(void *)get_unit(n, v, ifs)
#  define	IFNAME(x)	((ill_t *)x)->ill_name
#  define	COPYIFNAME(x, b, v)	(void) net_getifname(((v) == 4) ? \
					ifs->ifs_ipf_ipv4 : ifs->ifs_ipf_ipv6,\
					(phy_if_t)(x), (b), sizeof(b))
#  define	GETKTIME(x)	uniqtime((struct timeval *)x)
#  define	MSGDSIZE(x)	msgdsize(x)
#  define	M_LEN(x)	((x)->b_wptr - (x)->b_rptr)
#  define	M_DUPLICATE(x)	copymsg((x))
#  define	MTOD(m,t)	((t)((m)->b_rptr))
#  define	MTYPE(m)	((m)->b_datap->db_type)
#  define	FREE_MB_T(m)	freemsg(m)
#  define	m_next		b_cont
#  define	CACHE_HASH(x)	(((phy_if_t)(x)->fin_ifp) & 7)
#  define	IPF_PANIC(x,y)	if (x) { printf y; cmn_err(CE_PANIC, "ipf_panic"); }
typedef mblk_t mb_t;
# endif /* _KERNEL */

# if (SOLARIS2 >= 7)
#  ifdef lint
#   define ALIGN32(ptr)    (ptr ? 0L : 0L)
#   define ALIGN16(ptr)    (ptr ? 0L : 0L)
#  else
#   define ALIGN32(ptr)    (ptr)
#   define ALIGN16(ptr)    (ptr)
#  endif
# endif

# if SOLARIS2 < 6
typedef	struct uio	uio_t;
# endif
typedef	int		ioctlcmd_t;
typedef	uint8_t		u_int8_t;

# define OS_RECOGNISED 1

#endif /* SOLARIS */

/* ----------------------------------------------------------------------- */
/*                                  H P U X                                */
/* ----------------------------------------------------------------------- */
#ifdef __hpux
# define	MENTAT	1
# include	<sys/sysmacros.h>
# include	<sys/spinlock.h>
# include	<sys/lock.h>
# include	<sys/stream.h>
# ifdef USE_INET6
#  include	<netinet/if_ether.h>
#  include	<netinet/ip6.h>
#  include	<netinet/icmp6.h>
typedef	struct	ip6_hdr	ip6_t;
# endif

# ifdef _KERNEL
#  define SNPRINTF	sprintf
#  if (HPUXREV >= 1111)
#   define	IPL_SELECT
#   ifdef	IPL_SELECT
#    include	<machine/sys/user.h>
#    include	<sys/kthread_iface.h>
#    define	READ_COLLISION	0x01

typedef	struct	iplog_select_s {
	kthread_t	*read_waiter;
	int		state;
} iplog_select_t;
#   endif
#  endif

#  define	GETKTIME(x)	uniqtime((struct timeval *)x)

#  if HPUXREV == 1111
#   include	"kern_svcs.h"
#  else
#   include	<sys/kern_svcs.h>
#  endif
#  undef	ti_flags
#  undef	TCP_NODELAY
#  undef	TCP_MAXSEG
#  include <sys/reg.h>
#  include "../netinet/ip_info.h"
/*
 * According to /usr/include/sys/spinlock.h on HP-UX 11.00, these functions
 * are available.  Attempting to use them actually results in unresolved
 * symbols when it comes time to load the module.
 * This has been fixed!  Yipee!
 */
#  if 1
#   ifdef __LP64__
#    define	ATOMIC_INCL(x)		lock_and_incr_int64(&ipf_rw.ipf_lk, &(x), 1)
#    define	ATOMIC_DECL(x)		lock_and_incr_int64(&ipf_rw.ipf_lk, &(x), -1)
#   else
#    define	ATOMIC_INCL(x)		lock_and_incr_int32(&ipf_rw.ipf_lk, &(