The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/common/inet/ipf/netinet/ip_compat.h

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    1 /*
    2  * Copyright (C) 1993-2001, 2003 by Darren Reed.
    3  *
    4  * See the IPFILTER.LICENCE file for details on licencing.
    5  *
    6  * @(#)ip_compat.h      1.8 1/14/96
    7  * $Id: ip_compat.h,v 2.142.2.30 2005/08/11 15:13:49 darrenr Exp $
    8  *
    9  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
   10  * Use is subject to license terms.
   11  */
   12 
   13 #ifndef __IP_COMPAT_H__
   14 #define __IP_COMPAT_H__
   15 
   16 #ifndef __P
   17 # ifdef __STDC__
   18 #  define       __P(x)  x
   19 # else
   20 #  define       __P(x)  ()
   21 # endif
   22 #endif
   23 #ifndef __STDC__
   24 # undef         const
   25 # define        const
   26 #endif
   27 
   28 #if defined(_KERNEL) || defined(KERNEL) || defined(__KERNEL__)
   29 # undef KERNEL
   30 # undef _KERNEL
   31 # undef         __KERNEL__
   32 # define        KERNEL
   33 # define        _KERNEL
   34 # define        __KERNEL__
   35 #endif
   36 
   37 #ifndef SOLARIS
   38 #define SOLARIS (defined(sun) && (defined(__svr4__) || defined(__SVR4)))
   39 #endif
   40 #if SOLARIS2 >= 8
   41 # ifndef        USE_INET6
   42 #  define       USE_INET6
   43 # endif
   44 #endif
   45 #if defined(__FreeBSD_version) && (__FreeBSD_version >= 400000) && \
   46     !defined(_KERNEL) && !defined(USE_INET6) && !defined(NOINET6)
   47 # define        USE_INET6
   48 #endif
   49 #if defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 105000000) && \
   50     !defined(_KERNEL) && !defined(USE_INET6)
   51 # define        USE_INET6
   52 # define        IPFILTER_M_IPFILTER
   53 #endif
   54 #if defined(OpenBSD) && (OpenBSD >= 200206) && \
   55     !defined(_KERNEL) && !defined(USE_INET6)
   56 # define        USE_INET6
   57 #endif
   58 #if defined(__osf__)
   59 # define        USE_INET6
   60 #endif
   61 #if defined(linux) && (!defined(_KERNEL) || defined(CONFIG_IPV6))
   62 # define        USE_INET6
   63 #endif
   64 #if defined(HPUXREV) && (HPUXREV >= 1111)
   65 # define        USE_INET6
   66 #endif
   67 
   68 #if defined(BSD) && (BSD < 199103) && defined(__osf__)
   69 # undef BSD
   70 # define BSD 199103
   71 #endif
   72 
   73 #if defined(__SVR4) || defined(__svr4__) || defined(__sgi)
   74 # define index   strchr
   75 # if !defined(_KERNEL)
   76 #  define       bzero(a,b)      memset(a,0,b)
   77 #  define       bcmp            memcmp
   78 #  define       bcopy(a,b,c)    memmove(b,a,c)
   79 # endif
   80 #endif
   81 
   82 #ifndef LIFNAMSIZ
   83 # ifdef IF_NAMESIZE
   84 #  define       LIFNAMSIZ       IF_NAMESIZE
   85 # else
   86 #  ifdef        IFNAMSIZ
   87 #   define      LIFNAMSIZ       IFNAMSIZ
   88 #  else
   89 #   define      LIFNAMSIZ       16
   90 #  endif
   91 # endif
   92 #endif
   93 
   94 #if defined(__sgi) || defined(bsdi) || defined(__hpux) || defined(hpux)
   95 struct  ether_addr {
   96         u_char  ether_addr_octet[6];
   97 };
   98 #endif
   99 
  100 #if defined(__sgi) && !defined(IPFILTER_LKM)
  101 # ifdef __STDC__
  102 #  define IPL_EXTERN(ep) ipfilter##ep
  103 # else
  104 #  define IPL_EXTERN(ep) ipfilter/**/ep
  105 # endif
  106 #else
  107 # ifdef __STDC__
  108 #  define IPL_EXTERN(ep) ipl##ep
  109 # else
  110 #  define IPL_EXTERN(ep) ipl/**/ep
  111 # endif
  112 #endif
  113 
  114 /*
  115  * This is a workaround for <sys/uio.h> troubles on FreeBSD and OpenBSD.
  116  */
  117 #ifndef linux
  118 # ifndef _KERNEL
  119 #  define ADD_KERNEL
  120 #  define _KERNEL
  121 #  define KERNEL
  122 # endif
  123 # ifdef __OpenBSD__
  124 struct file;
  125 # endif
  126 # include <sys/uio.h>
  127 # ifdef ADD_KERNEL
  128 #  undef _KERNEL
  129 #  undef KERNEL
  130 # endif
  131 #endif
  132 
  133 
  134 /* ----------------------------------------------------------------------- */
  135 /*                                  S O L A R I S                          */
  136 /* ----------------------------------------------------------------------- */
  137 #if SOLARIS
  138 # define        MENTAT  1
  139 # include       <sys/cmn_err.h>
  140 # include       <sys/isa_defs.h>
  141 # include       <sys/stream.h>
  142 # include       <sys/ioccom.h>
  143 # include       <sys/sysmacros.h>
  144 # include       <sys/kmem.h>
  145 # if SOLARIS2 >= 10
  146 #  include      <sys/procset.h>
  147 #  include      <sys/proc.h>
  148 #  include      <sys/devops.h>
  149 #  include      <sys/ddi_impldefs.h>
  150 #  include      <sys/neti.h>
  151 # endif
  152 
  153 /*
  154  * inet/ip.h would end up including radix.h with _KERNEL, which is not
  155  * what the tools intend, so include radix.h first.
  156  */
  157 #if SOLARIS2 > 10
  158 # include <net/radix.h>
  159 #endif
  160 /*
  161  * because Solaris 2 defines these in two places :-/
  162  */
  163 # ifndef        KERNEL
  164 #  define       ADD_KERNEL
  165 #  define       _KERNEL
  166 #  undef        RES_INIT
  167 # endif /* _KERNEL */
  168 
  169 # if SOLARIS2 >= 8
  170 #  include <netinet/ip6.h>
  171 #  include <netinet/icmp6.h>
  172 # endif
  173 
  174 # include <inet/common.h>
  175 /* These 5 are defined in <inet/ip.h> and <netinet/ip.h> */
  176 # undef IPOPT_EOL
  177 # undef IPOPT_NOP
  178 # undef IPOPT_LSRR
  179 # undef IPOPT_RR
  180 # undef IPOPT_SSRR
  181 # ifdef i386
  182 #  define _SYS_PROMIF_H
  183 # endif
  184 # ifdef ADD_KERNEL
  185 #  undef _KERNEL
  186 # endif
  187 # include <inet/ip.h>
  188 # undef COPYOUT
  189 # include <inet/ip_ire.h>
  190 # ifndef        KERNEL
  191 #  undef        _KERNEL
  192 # endif
  193 # if SOLARIS2 >= 8
  194 #  define SNPRINTF      snprintf
  195 
  196 #  include <inet/ip_if.h>
  197 #  define       ipif_local_addr ipif_lcl_addr
  198 /* Only defined in private include file */
  199 #  ifndef       V4_PART_OF_V6
  200 #   define      V4_PART_OF_V6(v6)       v6.s6_addr32[3]
  201 #  endif
  202 struct ip6_ext {
  203         u_char  ip6e_nxt;
  204         u_char  ip6e_len;
  205 };
  206 # endif /* SOLARIS2 >= 8 */
  207 
  208 # ifdef FW_HOOKS
  209 
  210 #  define       SOLARIS_PFHOOKS 1
  211 
  212 typedef struct  qpktinfo        {
  213         /* data that changes per-packet */
  214         void            *qpi_ill;       /* COPIED */
  215         mblk_t          *qpi_m;
  216         void            *qpi_data;      /* where layer 3 header starts */
  217         size_t          qpi_off;
  218         int             qpi_flags;      /* Uses FI_* flags */
  219 } qpktinfo_t;
  220 
  221 extern void mb_copydata __P((mblk_t *, size_t , size_t, char *));
  222 extern void mb_copyback __P((mblk_t *, size_t , size_t, char *));
  223 # endif
  224 
  225 # if SOLARIS2 >= 6
  226 #  include <sys/atomic.h>
  227 typedef uint32_t        u_32_t;
  228 # else
  229 typedef unsigned int    u_32_t;
  230 # endif
  231 # define        U_32_T  1
  232 
  233 # ifdef _KERNEL
  234 #  define       KRWLOCK_T               krwlock_t
  235 #  define       KMUTEX_T                kmutex_t
  236 #  if SOLARIS2 >= 10
  237 #   include <sys/sdt.h>
  238 
  239 #   define IPF_IS_LOOPBACK(f)   ((f) & FI_NOCKSUM)
  240 #  endif /* SOLARIS2 >= 10 */
  241 #  if SOLARIS2 >= 6
  242 #   if SOLARIS2 == 6
  243 #    define     ATOMIC_INCL(x)          atomic_add_long((uint32_t*)&(x), 1)
  244 #    define     ATOMIC_DECL(x)          atomic_add_long((uint32_t*)&(x), -1)
  245 #   else
  246 #    define     ATOMIC_INCL(x)          atomic_add_long(&(x), 1)
  247 #    define     ATOMIC_DECL(x)          atomic_add_long(&(x), -1)
  248 #   endif /* SOLARIS2 == 6 */
  249 #   define      ATOMIC_INC64(x)         atomic_add_64((uint64_t*)&(x), 1)
  250 #   define      ATOMIC_INC32(x)         atomic_add_32((uint32_t*)&(x), 1)
  251 #   define      ATOMIC_INC16(x)         atomic_add_16((uint16_t*)&(x), 1)
  252 #   define      ATOMIC_DEC64(x)         atomic_add_64((uint64_t*)&(x), -1)
  253 #   define      ATOMIC_DEC32(x)         atomic_add_32((uint32_t*)&(x), -1)
  254 #   define      ATOMIC_DEC16(x)         atomic_add_16((uint16_t*)&(x), -1)
  255 #  else
  256 #   define      ATOMIC_INC(x)           { mutex_enter(&ipf_rw); (x)++; \
  257                                           mutex_exit(&ipf_rw); }
  258 #   define      ATOMIC_DEC(x)           { mutex_enter(&ipf_rw); (x)--; \
  259                                           mutex_exit(&ipf_rw); }
  260 #  endif /* SOLARIS2 >= 6 */
  261 #  define       USE_MUTEXES
  262 #  define       MUTEX_ENTER(x)          mutex_enter(&(x)->ipf_lk)
  263 #  define       READ_ENTER(x)           rw_enter(&(x)->ipf_lk, RW_READER)
  264 #  define       WRITE_ENTER(x)          rw_enter(&(x)->ipf_lk, RW_WRITER)
  265 #  define       MUTEX_DOWNGRADE(x)      rw_downgrade(&(x)->ipf_lk)
  266 #  define       RWLOCK_INIT(x, y)       rw_init(&(x)->ipf_lk, (y),  \
  267                                                 RW_DRIVER, NULL)
  268 #  define       RWLOCK_EXIT(x)          rw_exit(&(x)->ipf_lk)
  269 #  define       RW_DESTROY(x)           rw_destroy(&(x)->ipf_lk)
  270 #  define       MUTEX_INIT(x, y)        mutex_init(&(x)->ipf_lk, (y), \
  271                                                    MUTEX_DRIVER, NULL)
  272 #  define       MUTEX_DESTROY(x)        mutex_destroy(&(x)->ipf_lk)
  273 #  define       MUTEX_NUKE(x)           bzero((x), sizeof(*(x)))
  274 #  define       MUTEX_EXIT(x)           mutex_exit(&(x)->ipf_lk)
  275 #  define       COPYIN(a,b,c)   copyin((caddr_t)(a), (caddr_t)(b), (c))
  276 #  define       COPYOUT(a,b,c)  copyout((caddr_t)(a), (caddr_t)(b), (c))
  277 #  define       BCOPYIN(a,b,c)  copyin((caddr_t)(a), (caddr_t)(b), (c))
  278 #  define       BCOPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
  279 #  define       UIOMOVE(a,b,c,d)        uiomove((caddr_t)a,b,c,d)
  280 #  define       KFREE(x)        kmem_free((char *)(x), sizeof(*(x)))
  281 #  define       KFREES(x,s)     kmem_free((char *)(x), (s))
  282 #  define       SPL_NET(x)      ;
  283 #  define       SPL_IMP(x)      ;
  284 #  undef        SPL_X
  285 #  define       SPL_X(x)        ;
  286 #  ifdef sparc
  287 #   define      ntohs(x)        (x)
  288 #   define      ntohl(x)        (x)
  289 #   define      htons(x)        (x)
  290 #   define      htonl(x)        (x)
  291 #  endif /* sparc */
  292 #  define       KMALLOC(a,b)    (a) = (b)kmem_alloc(sizeof(*(a)), KM_NOSLEEP)
  293 #  define       KMALLOCS(a,b,c) (a) = (b)kmem_alloc((c), KM_NOSLEEP)
  294 #  define       GET_MINOR(x)    getminor(x)
  295 /*extern        phy_if_t        get_unit __P((char *, int, ipf_stack_t *));*/
  296 #  define       GETIFP(n, v, ifs)       (void *)get_unit(n, v, ifs)
  297 #  define       IFNAME(x)       ((ill_t *)x)->ill_name
  298 #  define       COPYIFNAME(x, b, v)     (void) net_getifname(((v) == 4) ? \
  299                                         ifs->ifs_ipf_ipv4 : ifs->ifs_ipf_ipv6,\
  300                                         (phy_if_t)(x), (b), sizeof(b))
  301 #  define       GETKTIME(x)     uniqtime((struct timeval *)x)
  302 #  define       MSGDSIZE(x)     msgdsize(x)
  303 #  define       M_LEN(x)        ((x)->b_wptr - (x)->b_rptr)
  304 #  define       M_DUPLICATE(x)  copymsg((x))
  305 #  define       MTOD(m,t)       ((t)((m)->b_rptr))
  306 #  define       MTYPE(m)        ((m)->b_datap->db_type)
  307 #  define       FREE_MB_T(m)    freemsg(m)
  308 #  define       m_next          b_cont
  309 #  define       CACHE_HASH(x)   (((phy_if_t)(x)->fin_ifp) & 7)
  310 #  define       IPF_PANIC(x,y)  if (x) { printf y; cmn_err(CE_PANIC, "ipf_panic"); }
  311 typedef mblk_t mb_t;
  312 # endif /* _KERNEL */
  313 
  314 # if (SOLARIS2 >= 7)
  315 #  ifdef lint
  316 #   define ALIGN32(ptr)    (ptr ? 0L : 0L)
  317 #   define ALIGN16(ptr)    (ptr ? 0L : 0L)
  318 #  else
  319 #   define ALIGN32(ptr)    (ptr)
  320 #   define ALIGN16(ptr)    (ptr)
  321 #  endif
  322 # endif
  323 
  324 # if SOLARIS2 < 6
  325 typedef struct uio      uio_t;
  326 # endif
  327 typedef int             ioctlcmd_t;
  328 typedef uint8_t         u_int8_t;
  329 
  330 # define OS_RECOGNISED 1
  331 
  332 #endif /* SOLARIS */
  333 
  334 /* ----------------------------------------------------------------------- */
  335 /*                                  H P U X                                */
  336 /* ----------------------------------------------------------------------- */
  337 #ifdef __hpux
  338 # define        MENTAT  1
  339 # include       <sys/sysmacros.h>
  340 # include       <sys/spinlock.h>
  341 # include       <sys/lock.h>
  342 # include       <sys/stream.h>
  343 # ifdef USE_INET6
  344 #  include      <netinet/if_ether.h>
  345 #  include      <netinet/ip6.h>
  346 #  include      <netinet/icmp6.h>
  347 typedef struct  ip6_hdr ip6_t;
  348 # endif
  349 
  350 # ifdef _KERNEL
  351 #  define SNPRINTF      sprintf
  352 #  if (HPUXREV >= 1111)
  353 #   define      IPL_SELECT
  354 #   ifdef       IPL_SELECT
  355 #    include    <machine/sys/user.h>
  356 #    include    <sys/kthread_iface.h>
  357 #    define     READ_COLLISION  0x01
  358 
  359 typedef struct  iplog_select_s {
  360         kthread_t       *read_waiter;
  361         int             state;
  362 } iplog_select_t;
  363 #   endif
  364 #  endif
  365 
  366 #  define       GETKTIME(x)     uniqtime((struct timeval *)x)
  367 
  368 #  if HPUXREV == 1111
  369 #   include     "kern_svcs.h"
  370 #  else
  371 #   include     <sys/kern_svcs.h>
  372 #  endif
  373 #  undef        ti_flags
  374 #  undef        TCP_NODELAY
  375 #  undef        TCP_MAXSEG
  376 #  include <sys/reg.h>
  377 #  include "../netinet/ip_info.h"
  378 /*
  379  * According to /usr/include/sys/spinlock.h on HP-UX 11.00, these functions
  380  * are available.  Attempting to use them actually results in unresolved
  381  * symbols when it comes time to load the module.
  382  * This has been fixed!  Yipee!
  383  */
  384 #  if 1
  385 #   ifdef __LP64__
  386 #    define     ATOMIC_INCL(x)          lock_and_incr_int64(&ipf_rw.ipf_lk, &(x), 1)
  387 #    define     ATOMIC_DECL(x)          lock_and_incr_int64(&ipf_rw.ipf_lk, &(x), -1)
  388 #   else
  389 #    define     ATOMIC_INCL(x)          lock_and_incr_int32(&ipf_rw.ipf_lk, &(x), 1)
  390 #    define     ATOMIC_DECL(x)          lock_and_incr_int32(&ipf_rw.ipf_lk, &(x), -1)
  391 #   endif
  392 #   define      ATOMIC_INC64(x)         lock_and_incr_int64(&ipf_rw.ipf_lk, &(x), 1)
  393 #   define      ATOMIC_INC32(x)         lock_and_incr_int32(&ipf_rw.ipf_lk, &(x), 1)
  394 #   define      ATOMIC_INC16(x)         lock_and_incr_int16(&ipf_rw.ipf_lk, &(x), 1)
  395 #   define      ATOMIC_DEC64(x)         lock_and_incr_int64(&ipf_rw.ipf_lk, &(x), -1)
  396 #   define      ATOMIC_DEC32(x)         lock_and_incr_int32(&ipf_rw.ipf_lk, &(x), -1)
  397 #   define      ATOMIC_DEC16(x)         lock_and_incr_int16(&ipf_rw.ipf_lk, &(x), -1)
  398 #  else /* 0 */
  399 #   define      ATOMIC_INC64(x)         { MUTEX_ENTER(&ipf_rw); (x)++; \
  400                                           MUTEX_EXIT(&ipf_rw); }
  401 #   define      ATOMIC_DEC64(x)         { MUTEX_ENTER(&ipf_rw); (x)--; \
  402                                           MUTEX_EXIT(&ipf_rw); }
  403 #   define      ATOMIC_INC32(x)         { MUTEX_ENTER(&ipf_rw); (x)++; \
  404                                           MUTEX_EXIT(&ipf_rw); }
  405 #   define      ATOMIC_DEC32(x)         { MUTEX_ENTER(&ipf_rw); (x)--; \
  406                                           MUTEX_EXIT(&ipf_rw); }
  407 #   define      ATOMIC_INCL(x)          { MUTEX_ENTER(&ipf_rw); (x)++; \
  408                                           MUTEX_EXIT(&ipf_rw); }
  409 #   define      ATOMIC_DECL(x)          { MUTEX_ENTER(&ipf_rw); (x)--; \
  410                                           MUTEX_EXIT(&ipf_rw); }
  411 #   define      ATOMIC_INC(x)           { MUTEX_ENTER(&ipf_rw); (x)++; \
  412                                           MUTEX_EXIT(&ipf_rw); }
  413 #   define      ATOMIC_DEC(x)           { MUTEX_ENTER(&ipf_rw); (x)--; \
  414                                           MUTEX_EXIT(&ipf_rw); }
  415 #  endif
  416 #  define       ip_cksum                ip_csuma
  417 #  define       memcpy(a,b,c)           bcopy((caddr_t)b, (caddr_t)a, c)
  418 #  define       USE_MUTEXES
  419 #  define       MUTEX_INIT(x, y)        initlock(&(x)->ipf_lk, 0, 0, (y))
  420 #  define       MUTEX_ENTER(x)          spinlock(&(x)->ipf_lk)
  421 #  define       MUTEX_EXIT(x)           spinunlock(&(x)->ipf_lk);
  422 #  define       MUTEX_DESTROY(x)
  423 #  define       MUTEX_NUKE(x)           bzero((char *)(x), sizeof(*(x)))
  424 #  define       KMUTEX_T                lock_t
  425 #  define       kmutex_t                lock_t          /* for pfil.h */
  426 #  define       krwlock_t               lock_t          /* for pfil.h */
  427 /*
  428  * The read-write lock implementation in HP-UX 11.0 is crippled - it can
  429  * only be used by threads working in a user context!
  430  * This has been fixed!  Yipee! (Or at least it does in 11.00, not 11.11..)
  431  */
  432 #  if HPUXREV < 1111
  433 #   define      MUTEX_DOWNGRADE(x)      lock_write_to_read(x)
  434 #   define      KRWLOCK_T               struct rw_lock
  435 #   define      READ_ENTER(x)           lock_read(&(x)->ipf_lk)
  436 #   define      WRITE_ENTER(x)          lock_write(&(x)->ipf_lk)
  437 #   if HPUXREV >= 1111
  438 #    define     RWLOCK_INIT(x, y)       rwlock_init4(&(x)->ipf_lk, 0, RWLCK_CANSLEEP, 0, y)
  439 #   else
  440 #    define     RWLOCK_INIT(x, y)       lock_init3(&(x)->ipf_lk, 0, 1, 0, 0, y)
  441 #   endif
  442 #   define      RWLOCK_EXIT(x)          lock_done(&(x)->ipf_lk)
  443 #  else
  444 #   define      KRWLOCK_T               lock_t
  445 #   define      KMUTEX_T                lock_t
  446 #   define      READ_ENTER(x)           MUTEX_ENTER(x)
  447 #   define      WRITE_ENTER(x)          MUTEX_ENTER(x)
  448 #   define      MUTEX_DOWNGRADE(x)
  449 #   define      RWLOCK_INIT(x, y)       initlock(&(x)->ipf_lk, 0, 0, y)
  450 #   define      RWLOCK_EXIT(x)          MUTEX_EXIT(x)
  451 #  endif
  452 #  define       RW_DESTROY(x)
  453 #  define       COPYIN(a,b,c)   copyin((caddr_t)(a), (caddr_t)(b), (c))
  454 #  define       COPYOUT(a,b,c)  copyout((caddr_t)(a), (caddr_t)(b), (c))
  455 #  if HPUXREV >= 1111
  456 #   define      BCOPYIN(a,b,c)  0; bcopy((caddr_t)(a), (caddr_t)(b), (c))
  457 #   define      BCOPYOUT(a,b,c) 0; bcopy((caddr_t)(a), (caddr_t)(b), (c))
  458 #  else
  459 #   define      BCOPYIN(a,b,c)  bcopy((caddr_t)(a), (caddr_t)(b), (c))
  460 #   define      BCOPYOUT(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
  461 #  endif
  462 #  define       SPL_NET(x)      ;
  463 #  define       SPL_IMP(x)      ;
  464 #  undef        SPL_X
  465 #  define       SPL_X(x)        ;
  466 /*extern        void    *get_unit __P((char *, int, ipf_stack_t *));*/
  467 #  define       GETIFP(n, v, ifs)       get_unit(n, v, ifs)
  468 #  define       IFNAME(x, b)    ((ill_t *)x)->ill_name
  469 #  define       COPYIFNAME(x, b, v) \
  470                                 strncpy(b, ((ifinfo_t *)x)->ifi_name, \
  471                                         LIFNAMSIZ)
  472 #  define       UIOMOVE(a,b,c,d)        uiomove((caddr_t)a,b,c,d)
  473 #  define       SLEEP(id, n)    { lock_t *_l = get_sleep_lock((caddr_t)id); \
  474                                   sleep(id, PZERO+1); \
  475                                   spinunlock(_l); \
  476                                 }
  477 #  define       WAKEUP(id,x)    { lock_t *_l = get_sleep_lock((caddr_t)id); \
  478                                   wakeup(id + x); \
  479                                   spinunlock(_l); \
  480                                 }
  481 #  define       KMALLOC(a, b)   MALLOC((a), b, sizeof(*(a)), M_IOSYS, M_NOWAIT)
  482 #  define       KMALLOCS(a, b, c)       MALLOC((a), b, (c), M_IOSYS, M_NOWAIT)
  483 #  define       KFREE(x)        kmem_free((char *)(x), sizeof(*(x)))
  484 #  define       KFREES(x,s)     kmem_free((char *)(x), (s))
  485 #  define       MSGDSIZE(x)     msgdsize(x)
  486 #  define       M_LEN(x)        ((x)->b_wptr - (x)->b_rptr)
  487 #  define       M_DUPLICATE(x)  dupmsg((x))
  488 #  define       MTOD(m,t)       ((t)((m)->b_rptr))
  489 #  define       MTYPE(m)        ((m)->b_datap->db_type)
  490 #  define       FREE_MB_T(m)    freemsg(m)
  491 #  define       m_next          b_cont
  492 #  define       IPF_PANIC(x,y)  if (x) { printf y; panic("ipf_panic"); }
  493 typedef mblk_t mb_t;
  494 
  495 #  define       CACHE_HASH(x)   (((phy_if_t)(x)->fin_ifp) & 7)
  496 
  497 #  include "qif.h"
  498 #  include "pfil.h"
  499 
  500 # else /* _KERNEL */
  501 
  502 typedef unsigned char uchar_t;
  503 
  504 #  ifndef       _SYS_STREAM_INCLUDED
  505 typedef char * mblk_t;
  506 typedef void * queue_t;
  507 typedef u_long ulong;
  508 #  endif
  509 #  include <netinet/ip_info.h>
  510 
  511 # endif /* _KERNEL */
  512 
  513 # ifdef lint
  514 #  define ALIGN32(ptr)    (ptr ? 0L : 0L)
  515 #  define ALIGN16(ptr)    (ptr ? 0L : 0L)
  516 # else
  517 #  define ALIGN32(ptr)    (ptr)
  518 #  define ALIGN16(ptr)    (ptr)
  519 # endif
  520 
  521 typedef struct uio      uio_t;
  522 typedef int             ioctlcmd_t;
  523 typedef int             minor_t;
  524 typedef unsigned int    u_32_t;
  525 # define        U_32_T  1
  526 
  527 # define OS_RECOGNISED 1
  528 
  529 #endif /* __hpux */
  530 
  531 /* ----------------------------------------------------------------------- */
  532 /*                                  I R I X                                */
  533 /* ----------------------------------------------------------------------- */
  534 #ifdef __sgi
  535 # undef         MENTAT
  536 # if IRIX < 60500
  537 typedef struct uio      uio_t;
  538 # endif
  539 typedef int             ioctlcmd_t;
  540 typedef u_int32_t       u_32_t;
  541 # define        U_32_T  1
  542 
  543 # ifdef INET6
  544 #  define USE_INET6
  545 # endif
  546 
  547 # define  hz HZ
  548 # include <sys/ksynch.h>
  549 # define        IPF_LOCK_PL     plhi
  550 # include <sys/sema.h>
  551 # undef kmutex_t
  552 typedef struct {
  553         lock_t *l;
  554         int pl;
  555 } kmutex_t;
  556 
  557 # ifdef MUTEX_INIT
  558 #  define       KMUTEX_T                mutex_t
  559 # else
  560 #  define       KMUTEX_T                kmutex_t
  561 #  define       KRWLOCK_T               kmutex_t
  562 # endif
  563 
  564 # ifdef _KERNEL
  565 #  define       NEED_LOCAL_RAND 1
  566 #  define       ipf_random              arc4random
  567 #  define       ATOMIC_INC(x)           { MUTEX_ENTER(&ipf_rw); \
  568                                           (x)++; MUTEX_EXIT(&ipf_rw); }
  569 #  define       ATOMIC_DEC(x)           { MUTEX_ENTER(&ipf_rw); \
  570                                           (x)--; MUTEX_EXIT(&ipf_rw); }
  571 #  define       USE_MUTEXES
  572 #  ifdef MUTEX_INIT
  573 #   include <sys/atomic_ops.h>
  574 #   define      ATOMIC_INCL(x)          atomicAddUlong(&(x), 1)
  575 #   define      ATOMIC_INC64(x)         atomicAddUint64(&(x), 1)
  576 #   define      ATOMIC_INC32(x)         atomicAddUint(&(x), 1)
  577 #   define      ATOMIC_INC16            ATOMIC_INC
  578 #   define      ATOMIC_DECL(x)          atomicAddUlong(&(x), -1)
  579 #   define      ATOMIC_DEC64(x)         atomicAddUint64(&(x), -1)
  580 #   define      ATOMIC_DEC32(x)         atomicAddUint(&(x), -1)
  581 #   define      ATOMIC_DEC16            ATOMIC_DEC
  582 #   undef       MUTEX_INIT
  583 #   define      MUTEX_INIT(x, y)        mutex_init(&(x)->ipf_lk,  \
  584                                                    MUTEX_DEFAULT, y)
  585 #   undef       MUTEX_ENTER
  586 #   define      MUTEX_ENTER(x)          mutex_lock(&(x)->ipf_lk, 0)
  587 #   undef       MUTEX_EXIT
  588 #   define      MUTEX_EXIT(x)           mutex_unlock(&(x)->ipf_lk)
  589 #   undef       MUTEX_DESTROY
  590 #   define      MUTEX_DESTROY(x)        mutex_destroy(&(x)->ipf_lk)
  591 #   define      MUTEX_DOWNGRADE(x)      mrdemote(&(x)->ipf_lk)
  592 #   define      KRWLOCK_T               mrlock_t
  593 #   define      RWLOCK_INIT(x, y)       mrinit(&(x)->ipf_lk, y)
  594 #   undef       RW_DESTROY
  595 #   define      RW_DESTROY(x)           mrfree(&(x)->ipf_lk)
  596 #   define      READ_ENTER(x)           RW_RDLOCK(&(x)->ipf_lk)
  597 #   define      WRITE_ENTER(x)          RW_WRLOCK(&(x)->ipf_lk)
  598 #   define      RWLOCK_EXIT(x)          RW_UNLOCK(&(x)->ipf_lk)
  599 #  else
  600 #   define      READ_ENTER(x)           MUTEX_ENTER(&(x)->ipf_lk)
  601 #   define      WRITE_ENTER(x)          MUTEX_ENTER(&(x)->ipf_lk)
  602 #   define      MUTEX_DOWNGRADE(x)      ;
  603 #   define      RWLOCK_EXIT(x)          MUTEX_EXIT(&(x)->ipf_lk)
  604 #   define      MUTEX_EXIT(x)           UNLOCK((x)->ipf_lk.l, (x)->ipf_lk.pl);
  605 #   define      MUTEX_INIT(x,y)         (x)->ipf_lk.l = LOCK_ALLOC((uchar_t)-1, IPF_LOCK_PL, (lkinfo_t *)-1, KM_NOSLEEP)
  606 #   define      MUTEX_DESTROY(x)        LOCK_DEALLOC((x)->ipf_lk.l)
  607 #   define      MUTEX_ENTER(x)          (x)->ipf_lk.pl = LOCK((x)->ipf_lk.l, \
  608                                                               IPF_LOCK_PL);
  609 #  endif
  610 #  define       MUTEX_NUKE(x)           bzero((x), sizeof(*(x)))
  611 #  define       FREE_MB_T(m)    m_freem(m)
  612 #  define       MTOD(m,t)       mtod(m,t)
  613 #  define       COPYIN(a,b,c)   (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
  614 #  define       COPYOUT(a,b,c)  (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
  615 #  define       BCOPYIN(a,b,c)  (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
  616 #  define       BCOPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
  617 #  define       UIOMOVE(a,b,c,d)        uiomove((caddr_t)a,b,c,d)
  618 #  define       SLEEP(id, n)    sleep((id), PZERO+1)
  619 #  define       WAKEUP(id,x)    wakeup(id+x)
  620 #  define       KFREE(x)        kmem_free((char *)(x), sizeof(*(x)))
  621 #  define       KFREES(x,s)     kmem_free((char *)(x), (s))
  622 #  define       GETIFP(n,v, ifs)        ifunit(n)
  623 #  include <sys/kmem.h>
  624 #  include <sys/ddi.h>
  625 #  define       KMALLOC(a,b)    (a) = (b)kmem_alloc(sizeof(*(a)), KM_NOSLEEP)
  626 #  define       KMALLOCS(a,b,c) (a) = (b)kmem_alloc((c), KM_NOSLEEP)
  627 #  define       GET_MINOR(x)    getminor(x)
  628 #  define       USE_SPL         1
  629 #  define       SPL_IMP(x)      (x) = splimp()
  630 #  define       SPL_NET(x)      (x) = splnet()
  631 #  define       SPL_X(x)        (void) splx(x)
  632 extern  void    m_copydata __P((struct mbuf *, int, int, caddr_t));
  633 extern  void    m_copyback __P((struct mbuf *, int, int, caddr_t));
  634 #  define       MSGDSIZE(x)     mbufchainlen(x)
  635 #  define       M_LEN(x)        (x)->m_len
  636 #  define       M_DUPLICATE(x)  m_copy((x), 0, M_COPYALL)
  637 #  define       GETKTIME(x)     microtime((struct timeval *)x)
  638 #  define       CACHE_HASH(x)   ((IFNAME(fin->fin_ifp)[0] + \
  639                                   ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
  640 #  define       IPF_PANIC(x,y)  if (x) { printf y; panic("ipf_panic"); }
  641 typedef struct mbuf mb_t;
  642 # else
  643 #  undef RW_DESTROY
  644 #  undef MUTEX_INIT
  645 #  undef MUTEX_DESTROY
  646 # endif /* _KERNEL */
  647 
  648 # define OS_RECOGNISED 1
  649 
  650 #endif /* __sgi */
  651 
  652 /* ----------------------------------------------------------------------- */
  653 /*                                  T R U 6 4                              */
  654 /* ----------------------------------------------------------------------- */
  655 #ifdef __osf__
  656 # undef         MENTAT
  657 
  658 # include <kern/lock.h>
  659 # include <sys/sysmacros.h>
  660 
  661 # ifdef _KERNEL
  662 #  define       NEED_LOCAL_RAND         1
  663 #  define       ipf_random              arc4random
  664 #  define       KMUTEX_T                simple_lock_data_t
  665 #  define       KRWLOCK_T               lock_data_t
  666 #  include <net/net_globals.h>
  667 #  define       USE_MUTEXES
  668 #  define       READ_ENTER(x)           lock_read(&(x)->ipf_lk)
  669 #  define       WRITE_ENTER(x)          lock_write(&(x)->ipf_lk)
  670 #  define       MUTEX_DOWNGRADE(x)      lock_write_to_read(&(x)->ipf_lk)
  671 #  define       RWLOCK_INIT(x, y)       lock_init(&(x)->ipf_lk, TRUE)
  672 #  define       RWLOCK_EXIT(x)          lock_done(&(x)->ipf_lk)
  673 #  define       RW_DESTROY(x)           lock_terminate(&(x)->ipf_lk)
  674 #  define       MUTEX_ENTER(x)          simple_lock(&(x)->ipf_lk)
  675 #  define       MUTEX_INIT(x, y)        simple_lock_init(&(x)->ipf_lk)
  676 #  define       MUTEX_DESTROY(x)        simple_lock_terminate(&(x)->ipf_lk)
  677 #  define       MUTEX_EXIT(x)           simple_unlock(&(x)->ipf_lk)
  678 #  define       MUTEX_NUKE(x)           bzero(x, sizeof(*(x)))
  679 #  define       ATOMIC_INC64(x)         atomic_incq((uint64_t*)&(x))
  680 #  define       ATOMIC_DEC64(x)         atomic_decq((uint64_t*)&(x))
  681 #  define       ATOMIC_INC32(x)         atomic_incl((uint32_t*)&(x))
  682 #  define       ATOMIC_DEC32(x)         atomic_decl((uint32_t*)&(x))
  683 #  define       ATOMIC_INC16(x)         { simple_lock(&ipf_rw); (x)++; \
  684                                           simple_unlock(&ipf_rw); }
  685 #  define       ATOMIC_DEC16(x)         { simple_lock(&ipf_rw); (x)--; \
  686                                           simple_unlock(&ipf_rw); }
  687 #  define       ATOMIC_INCL(x)          atomic_incl((uint32_t*)&(x))
  688 #  define       ATOMIC_DECL(x)          atomic_decl((uint32_t*)&(x))
  689 #  define       ATOMIC_INC(x)           { simple_lock(&ipf_rw); (x)++; \
  690                                           simple_unlock(&ipf_rw); }
  691 #  define       ATOMIC_DEC(x)           { simple_lock(&ipf_rw); (x)--; \
  692                                           simple_unlock(&ipf_rw); }
  693 #  define       SPL_NET(x)              ;
  694 #  define       SPL_IMP(x)              ;
  695 #  undef        SPL_X
  696 #  define       SPL_X(x)                ;
  697 #  define       UIOMOVE(a,b,c,d)        uiomove((caddr_t)a, b, d)
  698 #  define       FREE_MB_T(m)            m_freem(m)
  699 #  define       MTOD(m,t)               mtod(m,t)
  700 #  define       GETIFP(n, v, ifs)       ifunit(n)
  701 #  define       GET_MINOR               getminor
  702 #  define       WAKEUP(id,x)            wakeup(id + x)
  703 #  define       COPYIN(a,b,c)   copyin((caddr_t)(a), (caddr_t)(b), (c))
  704 #  define       COPYOUT(a,b,c)  copyout((caddr_t)(a), (caddr_t)(b), (c))
  705 #  define       BCOPYIN(a,b,c)  bcopy((caddr_t)(a), (caddr_t)(b), (c))
  706 #  define       BCOPYOUT(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
  707 #  define       KMALLOC(a, b)   MALLOC((a), b, sizeof(*(a)), M_PFILT, M_NOWAIT)
  708 #  define       KMALLOCS(a, b, c)       MALLOC((a), b, (c), M_PFILT, \
  709                                             ((c) > 4096) ? M_WAITOK : M_NOWAIT)
  710 #  define       KFREE(x)        FREE((x), M_PFILT)
  711 #  define       KFREES(x,s)     FREE((x), M_PFILT)
  712 #  define       MSGDSIZE(x)     mbufchainlen(x)
  713 #  define       M_LEN(x)        (x)->m_len
  714 #  define       M_DUPLICATE(x)  m_copy((x), 0, M_COPYALL)
  715 #  define       GETKTIME(x)     microtime((struct timeval *)x)
  716 #  define       CACHE_HASH(x)   ((IFNAME(fin->fin_ifp)[0] + \
  717                                   ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
  718 #  define       IPF_PANIC(x,y)  if (x) { printf y; panic("ipf_panic"); }
  719 typedef struct mbuf mb_t;
  720 # endif /* _KERNEL */
  721 
  722 # if (defined(_KERNEL) || defined(_NO_BITFIELDS) || (__STDC__ == 1))
  723 #  define       IP_V(x)         ((x)->ip_vhl >> 4)
  724 #  define       IP_HL(x)        ((x)->ip_vhl & 0xf)
  725 #  define       IP_V_A(x,y)     (x)->ip_vhl |= (((y) << 4) & 0xf0)
  726 #  define       IP_HL_A(x,y)    (x)->ip_vhl |= ((y) & 0xf)
  727 #  define       TCP_X2(x)       ((x)->th_xoff & 0xf)
  728 #  define       TCP_X2_A(x,y)   (x)->th_xoff |= ((y) & 0xf)
  729 #  define       TCP_OFF(x)      ((x)->th_xoff >> 4)
  730 #  define       TCP_OFF_A(x,y)  (x)->th_xoff |= (((y) << 4) & 0xf0)
  731 # endif
  732 
  733 /*
  734  * These are from's Solaris' #defines for little endian.
  735  */
  736 #define IP6F_MORE_FRAG          0x0100
  737 #define IP6F_RESERVED_MASK      0x0600
  738 #define IP6F_OFF_MASK           0xf8ff
  739 
  740 struct ip6_ext {
  741         u_char  ip6e_nxt;
  742         u_char  ip6e_len;
  743 };
  744 
  745 typedef int             ioctlcmd_t;  
  746 /*
  747  * Really, any arch where sizeof(long) != sizeof(int).
  748  */
  749 typedef unsigned int    u_32_t;
  750 # define        U_32_T  1
  751 
  752 # define OS_RECOGNISED 1
  753 #endif /* __osf__ */
  754 
  755 /* ----------------------------------------------------------------------- */
  756 /*                                  N E T B S D                            */
  757 /* ----------------------------------------------------------------------- */
  758 #ifdef __NetBSD__
  759 # if defined(_KERNEL) && !defined(IPFILTER_LKM)
  760 #  include "bpfilter.h"
  761 #  if defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 104110000)
  762 #   include "opt_inet.h"
  763 #  endif
  764 #  ifdef INET6
  765 #   define USE_INET6
  766 #  endif
  767 #  if (__NetBSD_Version__ >= 105000000)
  768 #   define HAVE_M_PULLDOWN 1
  769 #  endif
  770 # endif
  771 
  772 # ifdef _KERNEL
  773 #  define       MSGDSIZE(x)     mbufchainlen(x)
  774 #  define       M_LEN(x)        (x)->m_len
  775 #  define       M_DUPLICATE(x)  m_copy((x), 0, M_COPYALL)
  776 #  define       GETKTIME(x)     microtime((struct timeval *)x)
  777 #  define       IPF_PANIC(x,y)  if (x) { printf y; panic("ipf_panic"); }
  778 #  define       COPYIN(a,b,c)   copyin((caddr_t)(a), (caddr_t)(b), (c))
  779 #  define       COPYOUT(a,b,c)  copyout((caddr_t)(a), (caddr_t)(b), (c))
  780 #  define       BCOPYIN(a,b,c)  bcopy((caddr_t)(a), (caddr_t)(b), (c))
  781 #  define       BCOPYOUT(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
  782 typedef struct mbuf mb_t;
  783 # endif /* _KERNEL */
  784 # if (NetBSD <= 1991011) && (NetBSD >= 199606)
  785 #  define       IFNAME(x)       ((struct ifnet *)x)->if_xname
  786 #  define       COPYIFNAME(x, b, v) \
  787                                 (void) strncpy(b, \
  788                                                ((struct ifnet *)x)->if_xname, \
  789                                                LIFNAMSIZ)
  790 #  define       CACHE_HASH(x)   ((((struct ifnet *)fin->fin_ifp)->if_index)&7)
  791 # else
  792 #  define       CACHE_HASH(x)   ((IFNAME(fin->fin_ifp)[0] + \
  793                                   ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
  794 # endif
  795 
  796 typedef struct uio      uio_t;
  797 typedef u_long          ioctlcmd_t;  
  798 typedef int             minor_t;
  799 typedef u_int32_t       u_32_t;
  800 # define        U_32_T  1
  801 
  802 # define OS_RECOGNISED 1
  803 #endif /* __NetBSD__ */
  804 
  805 
  806 /* ----------------------------------------------------------------------- */
  807 /*                                F R E E B S D                            */
  808 /* ----------------------------------------------------------------------- */
  809 #ifdef __FreeBSD__
  810 # if defined(_KERNEL)
  811 #  if (__FreeBSD_version >= 500000)                          
  812 #   include "opt_bpf.h"
  813 #  else
  814 #   include "bpf.h"    
  815 #  endif
  816 #  if defined(__FreeBSD_version) && (__FreeBSD_version >= 400000)
  817 #   include "opt_inet6.h"
  818 #  endif
  819 #  if defined(INET6) && !defined(USE_INET6)
  820 #   define USE_INET6
  821 #  endif
  822 # endif
  823 
  824 # if defined(_KERNEL)
  825 #  if (__FreeBSD_version >= 400000)
  826 /*
  827  * When #define'd, the 5.2.1 kernel panics when used with the ftp proxy.
  828  * There may be other, safe, kernels but this is not extensively tested yet.
  829  */
  830 #   define HAVE_M_PULLDOWN
  831 #  endif
  832 #  if !defined(IPFILTER_LKM) && (__FreeBSD_version >= 300000)
  833 #   include "opt_ipfilter.h"
  834 #  endif
  835 #  define       COPYIN(a,b,c)   copyin((caddr_t)(a), (caddr_t)(b), (c))
  836 #  define       COPYOUT(a,b,c)  copyout((caddr_t)(a), (caddr_t)(b), (c))
  837 #  define       BCOPYIN(a,b,c)  bcopy((caddr_t)(a), (caddr_t)(b), (c))
  838 #  define       BCOPYOUT(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
  839 
  840 #  if (__FreeBSD_version >= 500043)
  841 #   define NETBSD_PF
  842 #  endif
  843 # endif /* _KERNEL */
  844 
  845 # if (__FreeBSD_version >= 500043)
  846 #  include <sys/mutex.h>
  847 #  include <sys/sx.h>
  848 /*
  849  * Whilst the sx(9) locks on FreeBSD have the right semantics and interface
  850  * for what we want to use them for, despite testing showing they work -
  851  * with a WITNESS kernel, it generates LOR messages.
  852  */
  853 #  define       KMUTEX_T                struct mtx
  854 #  if 1
  855 #   define      KRWLOCK_T               struct mtx
  856 #  else
  857 #   define      KRWLOCK_T               struct sx
  858 #  endif
  859 # endif
  860 
  861 # if (__FreeBSD_version >= 501113)
  862 #  include <net/if_var.h>
  863 #  define       IFNAME(x)       ((struct ifnet *)x)->if_xname
  864 #  define       COPYIFNAME(x, b) \
  865                                 (void) strncpy(b, \
  866                                                ((struct ifnet *)x)->if_xname, \
  867                                                LIFNAMSIZ)
  868 # endif
  869 # if (__FreeBSD_version >= 500043)
  870 #  define       CACHE_HASH(x)   ((((struct ifnet *)fin->fin_ifp)->if_index) & 7)
  871 # else
  872 #  define       CACHE_HASH(x)   ((IFNAME(fin->fin_ifp)[0] + \
  873                                   ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
  874 # endif
  875 
  876 # ifdef _KERNEL
  877 #  define       GETKTIME(x)     microtime((struct timeval *)x)
  878 
  879 #  if (__FreeBSD_version >= 500002)
  880 #   include <netinet/in_systm.h>
  881 #   include <netinet/ip.h>
  882 #   include <machine/in_cksum.h>
  883 #  endif
  884 
  885 #  if (__FreeBSD_version >= 500043)
  886 #   define      USE_MUTEXES
  887 #   define      MUTEX_ENTER(x)          mtx_lock(&(x)->ipf_lk)
  888 #   define      MUTEX_EXIT(x)           mtx_unlock(&(x)->ipf_lk)
  889 #   define      MUTEX_INIT(x,y)         mtx_init(&(x)->ipf_lk, (y), NULL,\
  890                                                  MTX_DEF)
  891 #   define      MUTEX_DESTROY(x)        mtx_destroy(&(x)->ipf_lk)
  892 #   define      MUTEX_NUKE(x)           bzero((x), sizeof(*(x)))
  893 /*
  894  * Whilst the sx(9) locks on FreeBSD have the right semantics and interface
  895  * for what we want to use them for, despite testing showing they work -
  896  * with a WITNESS kernel, it generates LOR messages.
  897  */
  898 #   if 1
  899 #    define     READ_ENTER(x)           mtx_lock(&(x)->ipf_lk)
  900 #    define     WRITE_ENTER(x)          mtx_lock(&(x)->ipf_lk)
  901 #    define     RWLOCK_EXIT(x)          mtx_unlock(&(x)->ipf_lk)
  902 #    define     MUTEX_DOWNGRADE(x)      ;
  903 #    define     RWLOCK_INIT(x,y)        mtx_init(&(x)->ipf_lk, (y), NULL,\
  904                                                  MTX_DEF)
  905 #    define     RW_DESTROY(x)           mtx_destroy(&(x)->ipf_lk)
  906 #   else
  907 #    define     READ_ENTER(x)           sx_slock(&(x)->ipf_lk)
  908 #    define     WRITE_ENTER(x)          sx_xlock(&(x)->ipf_lk)
  909 #    define     MUTEX_DOWNGRADE(x)      sx_downgrade(&(x)->ipf_lk)
  910 #    define     RWLOCK_INIT(x, y)       sx_init(&(x)->ipf_lk, (y))
  911 #    define     RW_DESTROY(x)           sx_destroy(&(x)->ipf_lk)
  912 #    ifdef sx_unlock
  913 #     define    RWLOCK_EXIT(x)          sx_unlock(x)
  914 #    else
  915 #     define    RWLOCK_EXIT(x)          do { \
  916                                             if ((x)->ipf_lk.sx_cnt < 0) \
  917                                                 sx_xunlock(&(x)->ipf_lk); \
  918                                             else \
  919                                                 sx_sunlock(&(x)->ipf_lk); \
  920                                         } while (0)
  921 #    endif
  922 #   endif
  923 #   include <machine/atomic.h>
  924 #   define      ATOMIC_INC(x)           { mtx_lock(&ipf_rw.ipf_lk); (x)++; \
  925                                           mtx_unlock(&ipf_rw.ipf_lk); }
  926 #   define      ATOMIC_DEC(x)           { mtx_lock(&ipf_rw.ipf_lk); (x)--; \
  927                                           mtx_unlock(&ipf_rw.ipf_lk); }
  928 #   define      ATOMIC_INCL(x)          atomic_add_long(&(x), 1)
  929 #   define      ATOMIC_INC64(x)         ATOMIC_INC(x)
  930 #   define      ATOMIC_INC32(x)         atomic_add_32(&(x), 1)
  931 #   define      ATOMIC_INC16(x)         atomic_add_16(&(x), 1)
  932 #   define      ATOMIC_DECL(x)          atomic_add_long(&(x), -1)
  933 #   define      ATOMIC_DEC64(x)         ATOMIC_DEC(x)
  934 #   define      ATOMIC_DEC32(x)         atomic_add_32(&(x), -1)
  935 #   define      ATOMIC_DEC16(x)         atomic_add_16(&(x), -1)
  936 #   define      SPL_X(x)        ;
  937 #   define      SPL_NET(x)      ;
  938 #   define      SPL_IMP(x)      ;
  939 extern  int     in_cksum __P((struct mbuf *, int));
  940 #  endif /* __FreeBSD_version >= 500043 */
  941 #  define       MSGDSIZE(x)     mbufchainlen(x)
  942 #  define       M_LEN(x)        (x)->m_len
  943 #  define       M_DUPLICATE(x)  m_copy((x), 0, M_COPYALL)
  944 #  define       IPF_PANIC(x,y)  if (x) { printf y; panic("ipf_panic"); }
  945 typedef struct mbuf mb_t;
  946 # endif /* _KERNEL */
  947 
  948 # if __FreeBSD__ < 3
  949 #  include <machine/spl.h>
  950 # else
  951 #  if __FreeBSD__ == 3
  952 #   if defined(IPFILTER_LKM) && !defined(ACTUALLY_LKM_NOT_KERNEL)
  953 #    define     ACTUALLY_LKM_NOT_KERNEL
  954 #   endif
  955 #  endif
  956 # endif
  957 
  958 # if (__FreeBSD_version >= 300000)
  959 typedef u_long          ioctlcmd_t;
  960 # else
  961 typedef int             ioctlcmd_t;
  962 # endif
  963 typedef struct uio      uio_t;
  964 typedef int             minor_t;
  965 typedef u_int32_t       u_32_t;
  966 # define        U_32_T  1
  967 
  968 # define OS_RECOGNISED 1
  969 #endif /* __FreeBSD__ */
  970 
  971 
  972 /* ----------------------------------------------------------------------- */
  973 /*                                O P E N B S D                            */
  974 /* ----------------------------------------------------------------------- */
  975 #ifdef __OpenBSD__
  976 # ifdef INET6
  977 #  define USE_INET6
  978 # endif
  979 
  980 # ifdef _KERNEL
  981 #  if !defined(IPFILTER_LKM)
  982 #   include "bpfilter.h"
  983 #  endif
  984 #  if (OpenBSD >= 200311)
  985 #   define SNPRINTF     snprintf
  986 #   if defined(USE_INET6)
  987 #    include "netinet6/in6_var.h"
  988 #    include "netinet6/nd6.h"
  989 #   endif
  990 #  endif
  991 #  if (OpenBSD >= 200012)
  992 #   define HAVE_M_PULLDOWN 1
  993 #  endif
  994 #  define       COPYIN(a,b,c)   copyin((caddr_t)(a), (caddr_t)(b), (c))
  995 #  define       COPYOUT(a,b,c)  copyout((caddr_t)(a), (caddr_t)(b), (c))
  996 #  define       BCOPYIN(a,b,c)  bcopy((caddr_t)(a), (caddr_t)(b), (c))
  997 #  define       BCOPYOUT(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
  998 #  define       GETKTIME(x)     microtime((struct timeval *)x)
  999 #  define       MSGDSIZE(x)     mbufchainlen(x)
 1000 #  define       M_LEN(x)        (x)->m_len
 1001 #  define       M_DUPLICATE(x)  m_copy((x), 0, M_COPYALL)
 1002 #  define       IPF_PANIC(x,y)  if (x) { printf y; panic("ipf_panic"); }
 1003 typedef struct mbuf mb_t;
 1004 # endif /* _KERNEL */
 1005 # if (OpenBSD >= 199603)
 1006 #  define       IFNAME(x, b)    ((struct ifnet *)x)->if_xname
 1007 #  define       COPYIFNAME(x, b, v) \
 1008                                 (void) strncpy(b, \
 1009                                                ((struct ifnet *)x)->if_xname, \
 1010                                                LIFNAMSIZ)
 1011 #  define       CACHE_HASH(x)   ((((struct ifnet *)fin->fin_ifp)->if_index)&7)
 1012 # else
 1013 #  define       CACHE_HASH(x)   ((IFNAME(fin->fin_ifp)[0] + \
 1014                                   ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
 1015 # endif
 1016 
 1017 typedef struct uio      uio_t;
 1018 typedef u_long          ioctlcmd_t;  
 1019 typedef int             minor_t;
 1020 typedef u_int32_t       u_32_t;
 1021 # define        U_32_T  1
 1022 
 1023 # define OS_RECOGNISED 1
 1024 #endif /* __OpenBSD__ */
 1025 
 1026 
 1027 /* ----------------------------------------------------------------------- */
 1028 /*                                B S D O S                                */
 1029 /* ----------------------------------------------------------------------- */
 1030 #ifdef _BSDI_VERSION
 1031 # ifdef INET6
 1032 #  define USE_INET6
 1033 # endif
 1034 
 1035 # ifdef _KERNEL
 1036 #  define       GETKTIME(x)     microtime((struct timeval *)x)
 1037 #  define       MSGDSIZE(x)     mbufchainlen(x)
 1038 #  define       M_LEN(x)        (x)->m_len
 1039 #  define       M_DUPLICATE(x)  m_copy((x), 0, M_COPYALL)
 1040 #  define       CACHE_HASH(x)   ((IFNAME(fin->fin_ifp)[0] + \
 1041                                   ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
 1042 typedef struct mbuf mb_t;
 1043 # endif /* _KERNEL */
 1044 
 1045 # if (_BSDI_VERSION >= 199701)
 1046 typedef u_long          ioctlcmd_t;
 1047 # else
 1048 typedef int             ioctlcmd_t;
 1049 # endif
 1050 typedef u_int32_t       u_32_t;
 1051 # define        U_32_T  1
 1052 
 1053 #endif /* _BSDI_VERSION */
 1054 
 1055 
 1056 /* ----------------------------------------------------------------------- */
 1057 /*                                  S U N O S 4                            */
 1058 /* ----------------------------------------------------------------------- */
 1059 #if defined(sun) && !defined(OS_RECOGNISED) /* SunOS4 */
 1060 # ifdef _KERNEL
 1061 #  include      <sys/kmem_alloc.h>
 1062 #  define       GETKTIME(x)     uniqtime((struct timeval *)x)
 1063 #  define       MSGDSIZE(x)     mbufchainlen(x)
 1064 #  define       M_LEN(x)        (x)->m_len
 1065 #  define       M_DUPLICATE(x)  m_copy((x), 0, M_COPYALL)
 1066 #  define       CACHE_HASH(x)   ((IFNAME(fin->fin_ifp)[0] + \
 1067                                   ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
 1068 #  define       GETIFP(n, v, ifs)       ifunit(n, IFNAMSIZ)
 1069 #  define       KFREE(x)        kmem_free((char *)(x), sizeof(*(x)))
 1070 #  define       KFREES(x,s)     kmem_free((char *)(x), (s))
 1071 #  define       SLEEP(id, n)    sleep((id), PZERO+1)
 1072 #  define       WAKEUP(id,x)    wakeup(id + x)
 1073 #  define       UIOMOVE(a,b,c,d)        uiomove((caddr_t)a,b,c,d)
 1074 #  define       IPF_PANIC(x,y)  if (x) { printf y; panic("ipf_panic"); }
 1075 
 1076 extern  void    m_copydata __P((struct mbuf *, int, int, caddr_t));
 1077 extern  void    m_copyback __P((struct mbuf *, int, int, caddr_t));
 1078 
 1079 typedef struct mbuf mb_t;
 1080 # endif
 1081 
 1082 typedef struct uio      uio_t;
 1083 typedef int             ioctlcmd_t;  
 1084 typedef int             minor_t;
 1085 typedef unsigned int    u_32_t;
 1086 # define        U_32_T  1
 1087 
 1088 # define OS_RECOGNISED 1
 1089 
 1090 #endif /* SunOS 4 */
 1091 
 1092 /* ----------------------------------------------------------------------- */
 1093 /*                            L I N U X                                    */
 1094 /* ----------------------------------------------------------------------- */
 1095 #if defined(linux) && !defined(OS_RECOGNISED)
 1096 #include <linux/config.h>
 1097 #include <linux/version.h>
 1098 # if LINUX >= 20600
 1099 #  define        HDR_T_PRIVATE  1
 1100 # endif
 1101 # undef USE_INET6
 1102 # ifdef USE_INET6
 1103 struct ip6_ext {
 1104         u_char  ip6e_nxt;
 1105         u_char  ip6e_len;
 1106 };
 1107 # endif
 1108 
 1109 # ifdef _KERNEL
 1110 #  define       IPF_PANIC(x,y)  if (x) { printf y; panic("ipf_panic"); }
 1111 #  define       BCOPYIN(a,b,c)  bcopy((caddr_t)(a), (caddr_t)(b), (c))
 1112 #  define       BCOPYOUT(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
 1113 #  define       COPYIN(a,b,c)   copy_from_user((caddr_t)(b), (caddr_t)(a), (c))
 1114 #  define       COPYOUT(a,b,c)  copy_to_user((caddr_t)(b), (caddr_t)(a), (c))
 1115 #  define       FREE_MB_T(m)    kfree_skb(m)
 1116 #  define       GETKTIME(x)     do_gettimeofday((struct timeval *)x)
 1117 #  define       SLEEP(x,s)      0, interruptible_sleep_on(x##_linux)
 1118 #  define       WAKEUP(x,y)     wake_up(x##_linux + y)
 1119 #  define       UIOMOVE(a,b,c,d)        uiomove(a,b,c,d)
 1120 #  define       USE_MUTEXES
 1121 #  define       KRWLOCK_T               rwlock_t
 1122 #  define       KMUTEX_T                spinlock_t
 1123 #  define       MUTEX_INIT(x,y)         spin_lock_init(&(x)->ipf_lk)
 1124 #  define       MUTEX_ENTER(x)          spin_lock(&(x)->ipf_lk)
 1125 #  define       MUTEX_EXIT(x)           spin_unlock(&(x)->ipf_lk)
 1126 #  define       MUTEX_DESTROY(x)        do { } while (0)
 1127 #  define       MUTEX_NUKE(x)           bzero(&(x)->ipf_lk, sizeof((x)->ipf_lk))
 1128 #  define       READ_ENTER(x)           ipf_read_enter(x)
 1129 #  define       WRITE_ENTER(x)          ipf_write_enter(x)
 1130 #  define       RWLOCK_INIT(x,y)        rwlock_init(&(x)->ipf_lk)
 1131 #  define       RW_DESTROY(x)           do { } while (0)
 1132 #  define       RWLOCK_EXIT(x)          ipf_rw_exit(x)
 1133 #  define       MUTEX_DOWNGRADE(x)      ipf_rw_downgrade(x)
 1134 #  define       ATOMIC_INCL(x)          MUTEX_ENTER(&ipf_rw); (x)++; \
 1135                                         MUTEX_EXIT(&ipf_rw)
 1136 #  define       ATOMIC_DECL(x)          MUTEX_ENTER(&ipf_rw); (x)--; \
 1137                                         MUTEX_EXIT(&ipf_rw)
 1138 #  define       ATOMIC_INC64(x)         MUTEX_ENTER(&ipf_rw); (x)++; \
 1139                                         MUTEX_EXIT(&ipf_rw)
 1140 #  define       ATOMIC_INC32(x)         MUTEX_ENTER(&ipf_rw); (x)++; \
 1141                                         MUTEX_EXIT(&ipf_rw)
 1142 #  define       ATOMIC_INC16(x)         MUTEX_ENTER(&ipf_rw); (x)++; \
 1143                                         MUTEX_EXIT(&ipf_rw)
 1144 #  define       ATOMIC_DEC64(x)         MUTEX_ENTER(&ipf_rw); (x)--; \
 1145                                         MUTEX_EXIT(&ipf_rw)
 1146 #  define       ATOMIC_DEC32(x)         MUTEX_ENTER(&ipf_rw); (x)--; \
 1147                                         MUTEX_EXIT(&ipf_rw)
 1148 #  define       ATOMIC_DEC16(x)         MUTEX_ENTER(&ipf_rw); (x)--; \
 1149                                         MUTEX_EXIT(&ipf_rw)
 1150 #  define       SPL_IMP(x)              do { } while (0)
 1151 #  define       SPL_NET(x)              do { } while (0)
 1152 #  define       SPL_X(x)                do { } while (0)
 1153 #  define       IFNAME(x)               ((struct net_device*)x)->name
 1154 #  define       CACHE_HASH(x)   ((IFNAME(fin->fin_ifp)[0] + \
 1155                           ((struct net_device *)fin->fin_ifp)->ifindex) & 7)
 1156 typedef struct  sk_buff mb_t;
 1157 extern  void    m_copydata __P((mb_t *, int, int, caddr_t));
 1158 extern  void    m_copyback __P((mb_t *, int, int, caddr_t));
 1159 extern  void    m_adj __P((mb_t *, int));
 1160 extern  mb_t    *m_pullup __P((mb_t *, int));
 1161 #  define       mbuf    sk_buff
 1162 
 1163 #  define       mtod(m, t)      ((t)(m)->data)
 1164 #  define       m_len           len
 1165 #  define       m_next          next
 1166 #  define       M_DUPLICATE(m)  skb_clone((m), in_interrupt() ? GFP_ATOMIC : \
 1167                                                                 GFP_KERNEL)
 1168 #  define       MSGDSIZE(m)     (m)->len
 1169 #  define       M_LEN(m)        (m)->len
 1170 
 1171 #  define       splnet(x)       ;
 1172 #  define       printf          printk
 1173 #  define       bcopy(s,d,z)    memmove(d, s, z)
 1174 #  define       bzero(s,z)      memset(s, 0, z)
 1175 #  define       bcmp(a,b,z)     memcmp(a, b, z)
 1176 
 1177 #  define       ifnet           net_device
 1178 #  define       if_xname        name
 1179 #  define       if_unit         ifindex 
 1180 
 1181 #  define       KMALLOC(x,t)    (x) = (t)kmalloc(sizeof(*(x)), \
 1182                                     in_interrupt() ? GFP_ATOMIC : GFP_KERNEL)
 1183 #  define       KFREE(x)        kfree(x)
 1184 #  define       KMALLOCS(x,t,s) (x) = (t)kmalloc((s), \
 1185                                     in_interrupt() ? GFP_ATOMIC : GFP_KERNEL)
 1186 #  define       KFREES(x,s)     kfree(x)
 1187 
 1188 #  define GETIFP(n,v)   dev_get_by_name(n)
 1189 
 1190 # else
 1191 #  include <net/ethernet.h>
 1192 
 1193 struct mbuf {
 1194 };
 1195 
 1196 #  ifndef _NET_ROUTE_H
 1197 struct rtentry {
 1198 };
 1199 #  endif
 1200 
 1201 struct ifnet {
 1202         char    if_xname[IFNAMSIZ];
 1203         int     if_unit;
 1204         int     (* if_output) __P((struct ifnet *, struct mbuf *, struct sockaddr *, struct rtentry *));
 1205         struct  ifaddr  *if_addrlist;
 1206 };
 1207 # define        IFNAME(x)       ((struct ifnet *)x)->if_xname
 1208 
 1209 # endif /* _KERNEL */
 1210 
 1211 # define        COPYIFNAME(x, b) \
 1212                                 (void) strncpy(b, \
 1213                                                ((struct ifnet *)x)->if_xname, \
 1214                                                LIFNAMSIZ)
 1215 
 1216 # include <linux/fs.h>
 1217 # define        FWRITE  FMODE_WRITE
 1218 # define        FREAD   FMODE_READ
 1219 
 1220 # define        __USE_MISC      1
 1221 # define        __FAVOR_BSD     1
 1222 
 1223 typedef struct uio {
 1224         struct iovec    *uio_iov;
 1225         void    *uio_file;
 1226         char    *uio_buf;
 1227         int     uio_iovcnt;
 1228         int     uio_offset;
 1229         size_t  uio_resid;
 1230         int     uio_rw;
 1231 } uio_t;
 1232 
 1233 extern  int     uiomove __P((caddr_t, size_t, int, struct uio *));
 1234 
 1235 # define        UIO_READ        1
 1236 # define        UIO_WRITE       2
 1237 
 1238 typedef u_long          ioctlcmd_t;
 1239 typedef int             minor_t;
 1240 typedef u_int32_t       u_32_t;
 1241 # define        U_32_T  1
 1242 
 1243 # define OS_RECOGNISED 1
 1244 
 1245 #endif
 1246 
 1247 
 1248 /* ----------------------------------------------------------------------- */
 1249 /*                                    A I X                                */
 1250 /* ----------------------------------------------------------------------- */
 1251 #if defined(_AIX51)
 1252 # undef         MENTAT
 1253 
 1254 # include <sys/lock.h>
 1255 # include <sys/sysmacros.h>
 1256 
 1257 # ifdef _KERNEL
 1258 #  define rw_read_locked(x)             0
 1259 #  include <net/net_globals.h>
 1260 #  include <net/net_malloc.h>
 1261 #  define       KMUTEX_T                simple_lock_t
 1262 #  define       KRWLOCK_T               complex_lock_t
 1263 #  define       USE_MUTEXES             1
 1264 #  define       USE_SPL                 1
 1265 #  define       READ_ENTER(x)           lock_read((x)->ipf_lk)
 1266 #  define       WRITE_ENTER(x)          lock_write((x)->ipf_lk)
 1267 #  define       MUTEX_DOWNGRADE(x)      lock_write_to_read((x)->ipf_lk)
 1268 #  define       RWLOCK_INIT(x, y)       lock_alloc(&(x)->ipf_lk, \
 1269                                                    LOCK_ALLOC_PIN, \
 1270                                                    (u_short)y, 0); \
 1271                                         lock_init((x)->ipf_lk, TRUE)
 1272 #  define       RWLOCK_EXIT(x)          lock_done((x)->ipf_lk)
 1273 #  define       RW_DESTROY(x)           lock_free(&(x)->ipf_lk)
 1274 #  define       MUTEX_ENTER(x)          simple_lock((x)->ipf_lk)
 1275 #  define       MUTEX_INIT(x, y)        lock_alloc(&(x)->ipf_lk, \
 1276                                                    LOCK_ALLOC_PIN, \
 1277                                                    (u_short)y, 0); \
 1278                                         simple_lock_init((x)->ipf_lk)
 1279 #  define       MUTEX_DESTROY(x)        lock_free(&(x)->ipf_lk)
 1280 #  define       MUTEX_EXIT(x)           simple_unlock((x)->ipf_lk)
 1281 #  define       MUTEX_NUKE(x)           bzero(&(x)->ipf_lk, sizeof((x)->ipf_lk))
 1282 #   define      ATOMIC_INC64(x)         { MUTEX_ENTER(&ipf_rw); (x)++; \
 1283                                           MUTEX_EXIT(&ipf_rw); }
 1284 #   define      ATOMIC_DEC64(x)         { MUTEX_ENTER(&ipf_rw); (x)--; \
 1285                                           MUTEX_EXIT(&ipf_rw); }
 1286 #   define      ATOMIC_INC32(x)         { MUTEX_ENTER(&ipf_rw); (x)++; \
 1287                                           MUTEX_EXIT(&ipf_rw); }
 1288 #   define      ATOMIC_DEC32(x)         { MUTEX_ENTER(&ipf_rw); (x)--; \
 1289                                           MUTEX_EXIT(&ipf_rw); }
 1290 #   define      ATOMIC_INCL(x)          { MUTEX_ENTER(&ipf_rw); (x)++; \
 1291                                           MUTEX_EXIT(&ipf_rw); }
 1292 #   define      ATOMIC_DECL(x)          { MUTEX_ENTER(&ipf_rw); (x)--; \
 1293                                           MUTEX_EXIT(&ipf_rw); }
 1294 #   define      ATOMIC_INC(x)           { MUTEX_ENTER(&ipf_rw); (x)++; \
 1295                                           MUTEX_EXIT(&ipf_rw); }
 1296 #   define      ATOMIC_DEC(x)           { MUTEX_ENTER(&ipf_rw); (x)--; \
 1297                                           MUTEX_EXIT(&ipf_rw); }
 1298 #  define       SPL_NET(x)              x = splnet()
 1299 #  define       SPL_IMP(x)              x = splimp()
 1300 #  undef        SPL_X
 1301 #  define       SPL_X(x)                splx(x)
 1302 #  define       UIOMOVE(a,b,c,d)        uiomove((caddr_t)a,b,c,d)
 1303 extern void* getifp __P((char *, int));
 1304 #  define       GETIFP(n, v)            getifp(n, v)
 1305 #  define       GET_MINOR               minor
 1306 #  define       SLEEP(id, n)    sleepx((id), PZERO+1, 0)
 1307 #  define       WAKEUP(id,x)    wakeup(id)
 1308 #  define       COPYIN(a,b,c)   copyin((caddr_t)(a), (caddr_t)(b), (c))
 1309 #  define       COPYOUT(a,b,c)  copyout((caddr_t)(a), (caddr_t)(b), (c))
 1310 #  define       BCOPYIN(a,b,c)  bcopy((caddr_t)(a), (caddr_t)(b), (c))
 1311 #  define       BCOPYOUT(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
 1312 #  define       KMALLOC(a, b)   MALLOC((a), b, sizeof(*(a)), M_TEMP, M_NOWAIT)
 1313 #  define       KMALLOCS(a, b, c)       MALLOC((a), b, (c), M_TEMP, \
 1314                                             ((c) > 4096) ? M_WAITOK : M_NOWAIT)
 1315 #  define       KFREE(x)        FREE((x), M_TEMP)
 1316 #  define       KFREES(x,s)     FREE((x), M_TEMP)
 1317 #  define       MSGDSIZE(x)     mbufchainlen(x)
 1318 #  define       M_LEN(x)        (x)->m_len
 1319 #  define       M_DUPLICATE(x)  m_copy((x), 0, M_COPYALL)
 1320 #  define       GETKTIME(x)
 1321 #  define       CACHE_HASH(x)   ((IFNAME(fin->fin_ifp)[0] + \
 1322                                   ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
 1323 #  define       IPF_PANIC(x,y)
 1324 typedef struct mbuf mb_t;
 1325 # endif /* _KERNEL */
 1326 
 1327 /*
 1328  * These are from's Solaris' #defines for little endian.
 1329  */
 1330 #if !defined(IP6F_MORE_FRAG)
 1331 # define        IP6F_MORE_FRAG          0x0100
 1332 #endif
 1333 #if !defined(IP6F_RESERVED_MASK)
 1334 # define        IP6F_RESERVED_MASK      0x0600
 1335 #endif
 1336 #if !defined(IP6F_OFF_MASK)
 1337 # define        IP6F_OFF_MASK           0xf8ff
 1338 #endif
 1339 
 1340 struct ip6_ext {
 1341         u_char  ip6e_nxt;
 1342         u_char  ip6e_len;
 1343 };
 1344 
 1345 typedef int             ioctlcmd_t;  
 1346 typedef int             minor_t;
 1347 /*
 1348  * Really, any arch where sizeof(long) != sizeof(int).
 1349  */
 1350 typedef unsigned int    u_32_t;
 1351 # define        U_32_T  1
 1352 
 1353 # define OS_RECOGNISED 1
 1354 #endif  /* _AIX51 */
 1355 
 1356 
 1357 #ifndef OS_RECOGNISED
 1358 #error  ip_compat.h does not recognise this platform/OS.
 1359 #endif
 1360 
 1361 
 1362 /* ----------------------------------------------------------------------- */
 1363 /*                           G E N E R I C                                 */
 1364 /* ----------------------------------------------------------------------- */
 1365 #ifndef OS_RECOGNISED
 1366 #endif
 1367 
 1368 /*
 1369  * For BSD kernels, if bpf is in the kernel, enable ipfilter to use bpf in
 1370  * filter rules.
 1371  */
 1372 #if !defined(IPFILTER_BPF) && ((NBPF > 0) || (NBPFILTER > 0) || (DEV_BPF > 0))
 1373 # define IPFILTER_BPF
 1374 #endif
 1375 
 1376 /*
 1377  * Userland locking primitives
 1378  */
 1379 typedef struct  {
 1380         char    *eMm_owner;
 1381         char    *eMm_heldin;
 1382         u_int   eMm_magic;
 1383         int     eMm_held;
 1384         int     eMm_heldat;
 1385 #ifdef __hpux
 1386         char    eMm_fill[8];
 1387 #endif
 1388 } eMmutex_t;
 1389 
 1390 typedef struct  {
 1391         char    *eMrw_owner;
 1392         char    *eMrw_heldin;
 1393         u_int   eMrw_magic;
 1394         short   eMrw_read;
 1395         short   eMrw_write;
 1396         int     eMrw_heldat;
 1397 #ifdef __hpux
 1398         char    eMm_fill[24];
 1399 #endif
 1400 } eMrwlock_t;
 1401 
 1402 typedef union {
 1403 #ifdef KMUTEX_T
 1404         struct  {
 1405                 KMUTEX_T        ipf_slk;
 1406                 char            *ipf_lname;
 1407         } ipf_lkun_s;
 1408 #endif
 1409         eMmutex_t       ipf_emu;
 1410 } ipfmutex_t;
 1411 
 1412 typedef union {
 1413 #ifdef KRWLOCK_T
 1414         struct  {
 1415                 KRWLOCK_T       ipf_slk;
 1416                 char            *ipf_lname;
 1417                 int             ipf_sr;
 1418                 int             ipf_sw;
 1419                 u_int           ipf_magic;
 1420         } ipf_lkun_s;
 1421 #endif
 1422         eMrwlock_t      ipf_emu;
 1423 } ipfrwlock_t;
 1424 
 1425 #define ipf_lk          ipf_lkun_s.ipf_slk
 1426 #define ipf_lname       ipf_lkun_s.ipf_lname
 1427 #define ipf_isr         ipf_lkun_s.ipf_sr
 1428 #define ipf_isw         ipf_lkun_s.ipf_sw
 1429 #define ipf_magic       ipf_lkun_s.ipf_magic
 1430 
 1431 #if !defined(__GNUC__) || \
 1432     (defined(__FreeBSD_version) && (__FreeBSD_version >= 503000))
 1433 # ifndef        INLINE
 1434 #  define       INLINE
 1435 # endif
 1436 #else
 1437 # define        INLINE  __inline__
 1438 #endif
 1439 
 1440 #if defined(linux) && defined(_KERNEL)
 1441 extern  INLINE  void    ipf_read_enter __P((ipfrwlock_t *));
 1442 extern  INLINE  void    ipf_write_enter __P((ipfrwlock_t *));
 1443 extern  INLINE  void    ipf_rw_exit __P((ipfrwlock_t *));
 1444 extern  INLINE  void    ipf_rw_downgrade __P((ipfrwlock_t *));
 1445 #endif
 1446 
 1447 /*
 1448  * In a non-kernel environment, there are a lot of macros that need to be
 1449  * filled in to be null-ops or to point to some compatibility function,
 1450  * somewhere in userland.
 1451  */
 1452 #ifndef _KERNEL
 1453 typedef struct  mb_s    {
 1454         struct  mb_s    *mb_next;
 1455         int             mb_len;
 1456         u_long          mb_buf[2048];
 1457 } mb_t;
 1458 # undef         m_next
 1459 # define        m_next          mb_next
 1460 # define        MSGDSIZE(x)     (x)->mb_len     /* XXX - from ipt.c */
 1461 # define        M_LEN(x)        (x)->mb_len
 1462 # define        M_DUPLICATE(x)  (x)
 1463 # define        GETKTIME(x)     gettimeofday((struct timeval *)(x), NULL)
 1464 # undef         MTOD
 1465 # define        MTOD(m, t)      ((t)(m)->mb_buf)
 1466 # define        FREE_MB_T(x)
 1467 # define        SLEEP(x,y)      1;
 1468 # define        WAKEUP(x,y)     ;
 1469 # define        IPF_PANIC(x,y)  ;
 1470 # define        PANIC(x,y)      ;
 1471 # define        SPL_NET(x)      ;
 1472 # define        SPL_IMP(x)      ;
 1473 # define        SPL_X(x)        ;
 1474 # define        KMALLOC(a,b)    (a) = (b)malloc(sizeof(*a))
 1475 # define        KMALLOCS(a,b,c) (a) = (b)malloc(c)
 1476 # define        KFREE(x)        free(x)
 1477 # define        KFREES(x,s)     free(x)
 1478 # define        GETIFP(x, v, ifs)       get_unit(x,v, ifs)
 1479 # define        COPYIN(a,b,c)   (bcopy((a), (b), (c)), 0)
 1480 # define        COPYOUT(a,b,c)  (bcopy((a), (b), (c)), 0)
 1481 # define        BCOPYIN(a,b,c)  (bcopy((a), (b), (c)), 0)
 1482 # define        BCOPYOUT(a,b,c) (bcopy((a), (b), (c)), 0)
 1483 # define        COPYDATA(m, o, l, b)    bcopy(MTOD((mb_t *)m, char *) + (o), \
 1484                                               (b), (l))
 1485 # define        COPYBACK(m, o, l, b)    bcopy((b), \
 1486                                               MTOD((mb_t *)m, char *) + (o), \
 1487                                               (l))
 1488 # define        UIOMOVE(a,b,c,d)        ipfuiomove(a,b,c,d)
 1489 extern  void    m_copydata __P((mb_t *, int, int, caddr_t));
 1490 extern  int     ipfuiomove __P((caddr_t, int, int, struct uio *));
 1491 # ifndef CACHE_HASH
 1492 #  define       CACHE_HASH(x)   ((IFNAME(fin->fin_ifp)[0] + \
 1493                                   ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
 1494 # endif
 1495 
 1496 # define        MUTEX_DESTROY(x)        eMmutex_destroy(&(x)->ipf_emu)
 1497 # define        MUTEX_ENTER(x)          eMmutex_enter(&(x)->ipf_emu, \
 1498                                                       __FILE__, __LINE__)
 1499 # define        MUTEX_EXIT(x)           eMmutex_exit(&(x)->ipf_emu)
 1500 # define        MUTEX_INIT(x,y)         eMmutex_init(&(x)->ipf_emu, y)
 1501 # define        MUTEX_NUKE(x)           bzero((x), sizeof(*(x)))
 1502 
 1503 # define        MUTEX_DOWNGRADE(x)      eMrwlock_downgrade(&(x)->ipf_emu, \
 1504                                                            __FILE__, __LINE__)
 1505 # define        READ_ENTER(x)           eMrwlock_read_enter(&(x)->ipf_emu, \
 1506                                                             __FILE__, __LINE__)
 1507 # define        RWLOCK_INIT(x, y)       eMrwlock_init(&(x)->ipf_emu, y)
 1508 # define        RWLOCK_EXIT(x)          eMrwlock_exit(&(x)->ipf_emu)
 1509 # define        RW_DESTROY(x)           eMrwlock_destroy(&(x)->ipf_emu)
 1510 # define        WRITE_ENTER(x)          eMrwlock_write_enter(&(x)->ipf_emu, \
 1511                                                              __FILE__, \
 1512                                                              __LINE__)
 1513 
 1514 # define        USE_MUTEXES             1
 1515 
 1516 extern void eMmutex_destroy __P((eMmutex_t *));
 1517 extern void eMmutex_enter __P((eMmutex_t *, char *, int));
 1518 extern void eMmutex_exit __P((eMmutex_t *));
 1519 extern void eMmutex_init __P((eMmutex_t *, char *));
 1520 extern void eMrwlock_destroy __P((eMrwlock_t *));
 1521 extern void eMrwlock_exit __P((eMrwlock_t *));
 1522 extern void eMrwlock_init __P((eMrwlock_t *, char *));
 1523 extern void eMrwlock_read_enter __P((eMrwlock_t *, char *, int));
 1524 extern void eMrwlock_write_enter __P((eMrwlock_t *, char *, int));
 1525 extern void eMrwlock_downgrade __P((eMrwlock_t *, char *, int));
 1526 
 1527 #undef NET_IS_HCK_L3_FULL
 1528 #define NET_IS_HCK_L3_FULL(n, x) (0)
 1529 #undef NET_IS_HCK_L3_PART
 1530 #define NET_IS_HCK_L3_PART(n, x) (0)
 1531 #undef NET_IS_HCK_L4_FULL
 1532 #define NET_IS_HCK_L4_FULL(n, x) (0)
 1533 #undef NET_IS_HCK_L4_PART
 1534 #define NET_IS_HCK_L4_PART(n, x) (0)
 1535 
 1536 #endif
 1537 
 1538 #define MAX_IPV4HDR     ((0xf << 2) + sizeof(struct icmp) + sizeof(ip_t) + 8)
 1539 
 1540 #ifndef IP_OFFMASK
 1541 # define        IP_OFFMASK      0x1fff
 1542 #endif
 1543 
 1544 
 1545 /*
 1546  * On BSD's use quad_t as a guarantee for getting at least a 64bit sized
 1547  * object.
 1548  */
 1549 #if     BSD > 199306
 1550 # define        USE_QUAD_T
 1551 # define        U_QUAD_T        u_quad_t
 1552 # define        QUAD_T          quad_t
 1553 #else /* BSD > 199306 */
 1554 # define        U_QUAD_T        u_long
 1555 # define        QUAD_T          long
 1556 #endif /* BSD > 199306 */
 1557 
 1558 
 1559 #ifdef  USE_INET6
 1560 # if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__) || \
 1561      defined(__osf__) || defined(linux)
 1562 #  include <netinet/ip6.h>
 1563 #  include <netinet/icmp6.h>
 1564 #  if !defined(linux)
 1565 #   if defined(_KERNEL) && !defined(__osf__)
 1566 #    include <netinet6/ip6_var.h>
 1567 #   endif
 1568 #  endif
 1569 typedef struct ip6_hdr  ip6_t;
 1570 # endif
 1571 #endif
 1572 
 1573 #ifndef MAX
 1574 # define        MAX(a,b)        (((a) > (b)) ? (a) : (b))
 1575 #endif
 1576 
 1577 #if defined(_KERNEL)
 1578 # ifdef MENTAT
 1579 #  define       COPYDATA        mb_copydata
 1580 #  define       COPYBACK        mb_copyback
 1581 # else
 1582 #  define       COPYDATA        m_copydata
 1583 #  define       COPYBACK        m_copyback
 1584 # endif
 1585 # if (BSD >= 199306) || defined(__FreeBSD__)
 1586 #  if (defined(__NetBSD_Version__) && (__NetBSD_Version__ < 105180000)) || \
 1587        defined(__FreeBSD__) || (defined(OpenBSD) && (OpenBSD < 200206)) || \
 1588        defined(_BSDI_VERSION)
 1589 #   include <vm/vm.h>
 1590 #  endif
 1591 #  if !defined(__FreeBSD__) || (defined (__FreeBSD_version) && \
 1592       (__FreeBSD_version >= 300000))
 1593 #   if (defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 105180000)) || \
 1594        (defined(OpenBSD) && (OpenBSD >= 200111))
 1595 #    include <uvm/uvm_extern.h>
 1596 #   else
 1597 #    include <vm/vm_extern.h>
 1598 extern  vm_map_t        kmem_map;
 1599 #   endif
 1600 #   include <sys/proc.h>
 1601 #  else /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD_version >= 300000) */
 1602 #   include <vm/vm_kern.h>
 1603 #  endif /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD_version >= 300000) */
 1604 
 1605 #  ifdef IPFILTER_M_IPFILTER
 1606 #    include <sys/malloc.h>
 1607 MALLOC_DECLARE(M_IPFILTER);
 1608 #    define     _M_IPF          M_IPFILTER
 1609 #  else /* IPFILTER_M_IPFILTER */
 1610 #   ifdef M_PFIL
 1611 #    define     _M_IPF          M_PFIL
 1612 #   else
 1613 #    ifdef M_IPFILTER
 1614 #     define    _M_IPF          M_IPFILTER
 1615 #    else
 1616 #     define    _M_IPF          M_TEMP
 1617 #    endif /* M_IPFILTER */
 1618 #   endif /* M_PFIL */
 1619 #  endif /* IPFILTER_M_IPFILTER */
 1620 #  define       KMALLOC(a, b)   MALLOC((a), b, sizeof(*(a)), _M_IPF, M_NOWAIT)
 1621 #  define       KMALLOCS(a, b, c)       MALLOC((a), b, (c), _M_IPF, M_NOWAIT)
 1622 #  define       KFREE(x)        FREE((x), _M_IPF)
 1623 #  define       KFREES(x,s)     FREE((x), _M_IPF)
 1624 #  define       UIOMOVE(a,b,c,d)        uiomove(a,b,d)
 1625 #  define       SLEEP(id, n)    tsleep((id), PPAUSE|PCATCH, n, 0)
 1626 #  define       WAKEUP(id,x)    wakeup(id+x)
 1627 #  define       GETIFP(n, v, ifs)       ifunit(n)
 1628 # endif /* (Free)BSD */
 1629 
 1630 # if !defined(USE_MUTEXES) && !defined(SPL_NET)
 1631 #  if (defined(NetBSD) && (NetBSD <= 1991011) && (NetBSD >= 199407)) || \
 1632       (defined(OpenBSD) && (OpenBSD >= 200006))
 1633 #   define      SPL_NET(x)      x = splsoftnet()
 1634 #  else
 1635 #   define      SPL_IMP(x)      x = splimp()
 1636 #   define      SPL_NET(x)      x = splnet()
 1637 #  endif /* NetBSD && (NetBSD <= 1991011) && (NetBSD >= 199407) */
 1638 #  define       SPL_X(x)        (void) splx(x)
 1639 # endif /* !USE_MUTEXES */
 1640 
 1641 # ifndef FREE_MB_T
 1642 #  define       FREE_MB_T(m)    m_freem(m)
 1643 # endif
 1644 
 1645 # ifndef MTOD
 1646 #  define       MTOD(m,t)       mtod(m,t)
 1647 # endif
 1648 
 1649 # ifndef COPYIN
 1650 #  define       COPYIN(a,b,c)   (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
 1651 #  define       COPYOUT(a,b,c)  (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
 1652 #  define       BCOPYIN(a,b,c)  (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
 1653 #  define       BCOPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
 1654 # endif
 1655 
 1656 # ifndef KMALLOC
 1657 #  define       KMALLOC(a,b)    (a) = (b)new_kmem_alloc(sizeof(*(a)), \
 1658                                                         KMEM_NOSLEEP)
 1659 #  define       KMALLOCS(a,b,c) (a) = (b)new_kmem_alloc((c), KMEM_NOSLEEP)
 1660 # endif
 1661 
 1662 # ifndef        GET_MINOR
 1663 #  define       GET_MINOR(x)    minor(x)
 1664 # endif
 1665 # define        PANIC(x,y)      if (x) panic y
 1666 #endif /* _KERNEL */
 1667 
 1668 #ifndef IFNAME
 1669 # define        IFNAME(x)       ((struct ifnet *)x)->if_name
 1670 #endif
 1671 #ifndef COPYIFNAME
 1672 # define        NEED_FRGETIFNAME
 1673 extern  char    *fr_getifname __P((struct ifnet *, char *));
 1674 # define        COPYIFNAME(x, b, v) \
 1675                                 fr_getifname((struct ifnet *)x, b)
 1676 #endif
 1677 
 1678 #ifndef ASSERT
 1679 # define        ASSERT(x)
 1680 #endif
 1681 
 1682 /*
 1683  * Because the ctype(3) posix definition, if used "safely" in code everywhere,
 1684  * would mean all normal code that walks through strings needed casts.  Yuck.
 1685  */
 1686 #define ISALNUM(x)      isalnum((u_char)(x))
 1687 #define ISALPHA(x)      isalpha((u_char)(x))
 1688 #define ISASCII(x)      isascii((u_char)(x))
 1689 #define ISDIGIT(x)      isdigit((u_char)(x))
 1690 #define ISPRINT(x)      isprint((u_char)(x))
 1691 #define ISSPACE(x)      isspace((u_char)(x))
 1692 #define ISUPPER(x)      isupper((u_char)(x))
 1693 #define ISXDIGIT(x)     isxdigit((u_char)(x))
 1694 #define ISLOWER(x)      islower((u_char)(x))
 1695 #define TOUPPER(x)      toupper((u_char)(x))
 1696 #define TOLOWER(x)      tolower((u_char)(x))
 1697 
 1698 /*
 1699  * If mutexes aren't being used, turn all the mutex functions into null-ops.
 1700  */
 1701 #if !defined(USE_MUTEXES)
 1702 # define        USE_SPL                 1
 1703 # undef         RW_DESTROY
 1704 # undef         MUTEX_INIT
 1705 # undef         MUTEX_NUKE
 1706 # undef         MUTEX_DESTROY
 1707 # define        MUTEX_ENTER(x)          ;
 1708 # define        READ_ENTER(x)           ;
 1709 # define        WRITE_ENTER(x)          ;
 1710 # define        MUTEX_DOWNGRADE(x)      ;
 1711 # define        RWLOCK_INIT(x, y)       ;
 1712 # define        RWLOCK_EXIT(x)          ;
 1713 # define        RW_DESTROY(x)           ;
 1714 # define        MUTEX_EXIT(x)           ;
 1715 # define        MUTEX_INIT(x,y)         ;
 1716 # define        MUTEX_DESTROY(x)        ;
 1717 # define        MUTEX_NUKE(x)           ;
 1718 #endif /* !USE_MUTEXES */
 1719 #ifndef ATOMIC_INC
 1720 # define        ATOMIC_INC(x)           (x)++
 1721 # define        ATOMIC_DEC(x)           (x)--
 1722 #endif
 1723 
 1724 #if defined(USE_SPL) && defined(_KERNEL)
 1725 # define        SPL_INT(x)      int x
 1726 #else
 1727 # define        SPL_INT(x)
 1728 #endif
 1729 
 1730 /*
 1731  * If there are no atomic operations for bit sizes defined, define them to all
 1732  * use a generic one that works for all sizes.
 1733  */
 1734 #ifndef ATOMIC_INCL
 1735 # define        ATOMIC_INCL             ATOMIC_INC
 1736 # define        ATOMIC_INC64            ATOMIC_INC
 1737 # define        ATOMIC_INC32            ATOMIC_INC
 1738 # define        ATOMIC_INC16            ATOMIC_INC
 1739 # define        ATOMIC_DECL             ATOMIC_DEC
 1740 # define        ATOMIC_DEC64            ATOMIC_DEC
 1741 # define        ATOMIC_DEC32            ATOMIC_DEC
 1742 # define        ATOMIC_DEC16            ATOMIC_DEC
 1743 #endif
 1744 
 1745 #ifndef HDR_T_PRIVATE
 1746 typedef struct  tcphdr  tcphdr_t;
 1747 typedef struct  udphdr  udphdr_t;
 1748 #endif
 1749 typedef struct  icmp    icmphdr_t;
 1750 typedef struct  ip      ip_t;
 1751 typedef struct  ether_header    ether_header_t;
 1752 typedef struct  tcpiphdr        tcpiphdr_t;
 1753 
 1754 #ifndef FR_GROUPLEN
 1755 # define        FR_GROUPLEN     16
 1756 #endif
 1757 
 1758 #ifdef offsetof
 1759 # undef offsetof
 1760 #endif
 1761 #ifndef offsetof
 1762 # define offsetof(t,m) (int)((&((t *)0L)->m))
 1763 #endif
 1764 
 1765 /*
 1766  * This set of macros has been brought about because on Tru64 it is not
 1767  * possible to easily assign or examine values in a structure that are
 1768  * bit fields.
 1769  */
 1770 #ifndef IP_V
 1771 # define        IP_V(x)         (x)->ip_v
 1772 #endif
 1773 #ifndef IP_V_A
 1774 # define        IP_V_A(x,y)     (x)->ip_v = (y)
 1775 #endif
 1776 #ifndef IP_HL
 1777 # define        IP_HL(x)        (x)->ip_hl
 1778 #endif
 1779 #ifndef IP_HL_A
 1780 # define        IP_HL_A(x,y)    (x)->ip_hl = (y)
 1781 #endif
 1782 #ifndef TCP_X2
 1783 # define        TCP_X2(x)       (x)->th_x2
 1784 #endif
 1785 #ifndef TCP_X2_A
 1786 # define        TCP_X2_A(x,y)   (x)->th_x2 = (y)
 1787 #endif
 1788 #ifndef TCP_OFF
 1789 # define        TCP_OFF(x)      (x)->th_off
 1790 #endif
 1791 #ifndef TCP_OFF_A
 1792 # define        TCP_OFF_A(x,y)  (x)->th_off = (y)
 1793 #endif
 1794 #define IPMINLEN(i, h)  ((i)->ip_len >= (IP_HL(i) * 4 + sizeof(struct h)))
 1795 
 1796 
 1797 /*
 1798  * XXX - This is one of those *awful* hacks which nobody likes
 1799  */
 1800 #ifdef  ultrix
 1801 #define A_A
 1802 #else
 1803 #define A_A     &
 1804 #endif
 1805 
 1806 #define TCPF_ALL        (TH_FIN|TH_SYN|TH_RST|TH_PUSH|TH_ACK|TH_URG|\
 1807                          TH_ECN|TH_CWR)
 1808 
 1809 #if (BSD >= 199306) && !defined(m_act)
 1810 # define        m_act   m_nextpkt
 1811 #endif  
 1812 
 1813 /*
 1814  * Security Options for Intenet Protocol (IPSO) as defined in RFC 1108.
 1815  *
 1816  * Basic Option
 1817  *
 1818  * 00000001   -   (Reserved 4)
 1819  * 00111101   -   Top Secret
 1820  * 01011010   -   Secret
 1821  * 10010110   -   Confidential
 1822  * 01100110   -   (Reserved 3)
 1823  * 11001100   -   (Reserved 2)
 1824  * 10101011   -   Unclassified
 1825  * 11110001   -   (Reserved 1)
 1826  */
 1827 #define IPSO_CLASS_RES4         0x01
 1828 #define IPSO_CLASS_TOPS         0x3d
 1829 #define IPSO_CLASS_SECR         0x5a
 1830 #define IPSO_CLASS_CONF         0x96
 1831 #define IPSO_CLASS_RES3         0x66
 1832 #define IPSO_CLASS_RES2         0xcc
 1833 #define IPSO_CLASS_UNCL         0xab
 1834 #define IPSO_CLASS_RES1         0xf1
 1835 
 1836 #define IPSO_AUTH_GENSER        0x80
 1837 #define IPSO_AUTH_ESI           0x40
 1838 #define IPSO_AUTH_SCI           0x20
 1839 #define IPSO_AUTH_NSA           0x10
 1840 #define IPSO_AUTH_DOE           0x08
 1841 #define IPSO_AUTH_UN            0x06
 1842 #define IPSO_AUTH_FTE           0x01
 1843 
 1844 /*
 1845  * IP option #defines
 1846  */
 1847 #undef  IPOPT_RR
 1848 #define IPOPT_RR        7 
 1849 #undef  IPOPT_ZSU
 1850 #define IPOPT_ZSU       10      /* ZSU */
 1851 #undef  IPOPT_MTUP
 1852 #define IPOPT_MTUP      11      /* MTUP */
 1853 #undef  IPOPT_MTUR
 1854 #define IPOPT_MTUR      12      /* MTUR */
 1855 #undef  IPOPT_ENCODE
 1856 #define IPOPT_ENCODE    15      /* ENCODE */
 1857 #undef  IPOPT_TS
 1858 #define IPOPT_TS        68
 1859 #undef  IPOPT_TR
 1860 #define IPOPT_TR        82      /* TR */
 1861 #undef  IPOPT_SECURITY
 1862 #define IPOPT_SECURITY  130
 1863 #undef  IPOPT_LSRR
 1864 #define IPOPT_LSRR      131
 1865 #undef  IPOPT_E_SEC
 1866 #define IPOPT_E_SEC     133     /* E-SEC */
 1867 #undef  IPOPT_CIPSO
 1868 #define IPOPT_CIPSO     134     /* CIPSO */
 1869 #undef  IPOPT_SATID
 1870 #define IPOPT_SATID     136
 1871 #ifndef IPOPT_SID
 1872 # define        IPOPT_SID       IPOPT_SATID
 1873 #endif
 1874 #undef  IPOPT_SSRR
 1875 #define IPOPT_SSRR      137
 1876 #undef  IPOPT_ADDEXT
 1877 #define IPOPT_ADDEXT    147     /* ADDEXT */
 1878 #undef  IPOPT_VISA
 1879 #define IPOPT_VISA      142     /* VISA */
 1880 #undef  IPOPT_IMITD
 1881 #define IPOPT_IMITD     144     /* IMITD */
 1882 #undef  IPOPT_EIP
 1883 #define IPOPT_EIP       145     /* EIP */
 1884 #undef  IPOPT_RTRALRT
 1885 #define IPOPT_RTRALRT   148     /* RTRALRT */
 1886 #undef  IPOPT_SDB
 1887 #define IPOPT_SDB       149
 1888 #undef  IPOPT_NSAPA
 1889 #define IPOPT_NSAPA     150
 1890 #undef  IPOPT_DPS
 1891 #define IPOPT_DPS       151
 1892 #undef  IPOPT_UMP
 1893 #define IPOPT_UMP       152
 1894 #undef  IPOPT_FINN
 1895 #define IPOPT_FINN      205     /* FINN */
 1896 
 1897 #ifndef TCPOPT_EOL
 1898 # define TCPOPT_EOL             0
 1899 #endif
 1900 #ifndef TCPOPT_NOP
 1901 # define TCPOPT_NOP             1
 1902 #endif
 1903 #ifndef TCPOPT_MAXSEG
 1904 # define TCPOPT_MAXSEG          2
 1905 #endif
 1906 #ifndef TCPOLEN_MAXSEG
 1907 # define TCPOLEN_MAXSEG         4
 1908 #endif
 1909 #ifndef TCPOPT_WINDOW
 1910 # define TCPOPT_WINDOW          3
 1911 #endif
 1912 #ifndef TCPOLEN_WINDOW
 1913 # define TCPOLEN_WINDOW         3
 1914 #endif
 1915 #ifndef TCPOPT_SACK_PERMITTED
 1916 # define TCPOPT_SACK_PERMITTED  4
 1917 #endif
 1918 #ifndef TCPOLEN_SACK_PERMITTED
 1919 # define TCPOLEN_SACK_PERMITTED 2
 1920 #endif
 1921 #ifndef TCPOPT_SACK
 1922 # define TCPOPT_SACK            5
 1923 #endif
 1924 #ifndef TCPOPT_TIMESTAMP
 1925 # define TCPOPT_TIMESTAMP       8
 1926 #endif
 1927 
 1928 #ifndef ICMP_MINLEN
 1929 # define        ICMP_MINLEN     8
 1930 #endif
 1931 #ifndef ICMP_ECHOREPLY
 1932 # define        ICMP_ECHOREPLY  0
 1933 #endif
 1934 #ifndef ICMP_UNREACH
 1935 # define        ICMP_UNREACH    3
 1936 #endif
 1937 #ifndef ICMP_UNREACH_NET
 1938 # define        ICMP_UNREACH_NET        0
 1939 #endif
 1940 #ifndef ICMP_UNREACH_HOST
 1941 # define        ICMP_UNREACH_HOST       1
 1942 #endif
 1943 #ifndef ICMP_UNREACH_PROTOCOL
 1944 # define        ICMP_UNREACH_PROTOCOL   2
 1945 #endif
 1946 #ifndef ICMP_UNREACH_PORT
 1947 # define        ICMP_UNREACH_PORT       3
 1948 #endif
 1949 #ifndef ICMP_UNREACH_NEEDFRAG
 1950 # define        ICMP_UNREACH_NEEDFRAG   4
 1951 #endif
 1952 #ifndef ICMP_UNREACH_SRCFAIL
 1953 # define        ICMP_UNREACH_SRCFAIL    5
 1954 #endif
 1955 #ifndef ICMP_UNREACH_NET_UNKNOWN
 1956 # define        ICMP_UNREACH_NET_UNKNOWN        6
 1957 #endif
 1958 #ifndef ICMP_UNREACH_HOST_UNKNOWN
 1959 # define        ICMP_UNREACH_HOST_UNKNOWN       7
 1960 #endif
 1961 #ifndef ICMP_UNREACH_ISOLATED
 1962 # define        ICMP_UNREACH_ISOLATED   8
 1963 #endif
 1964 #ifndef ICMP_UNREACH_NET_PROHIB
 1965 # define        ICMP_UNREACH_NET_PROHIB 9
 1966 #endif
 1967 #ifndef ICMP_UNREACH_HOST_PROHIB
 1968 # define        ICMP_UNREACH_HOST_PROHIB        10
 1969 #endif
 1970 #ifndef ICMP_UNREACH_TOSNET
 1971 # define        ICMP_UNREACH_TOSNET     11
 1972 #endif
 1973 #ifndef ICMP_UNREACH_TOSHOST
 1974 # define        ICMP_UNREACH_TOSHOST    12
 1975 #endif
 1976 #ifndef ICMP_UNREACH_ADMIN_PROHIBIT
 1977 # define        ICMP_UNREACH_ADMIN_PROHIBIT     13
 1978 #endif
 1979 #ifndef ICMP_UNREACH_FILTER
 1980 # define        ICMP_UNREACH_FILTER     13
 1981 #endif
 1982 #ifndef ICMP_UNREACH_HOST_PRECEDENCE
 1983 # define        ICMP_UNREACH_HOST_PRECEDENCE    14
 1984 #endif
 1985 #ifndef ICMP_UNREACH_PRECEDENCE_CUTOFF
 1986 # define        ICMP_UNREACH_PRECEDENCE_CUTOFF  15
 1987 #endif
 1988 #ifndef ICMP_SOURCEQUENCH
 1989 # define        ICMP_SOURCEQUENCH       4
 1990 #endif
 1991 #ifndef ICMP_REDIRECT_NET
 1992 # define        ICMP_REDIRECT_NET       0
 1993 #endif
 1994 #ifndef ICMP_REDIRECT_HOST
 1995 # define        ICMP_REDIRECT_HOST      1
 1996 #endif
 1997 #ifndef ICMP_REDIRECT_TOSNET
 1998 # define        ICMP_REDIRECT_TOSNET    2
 1999 #endif
 2000 #ifndef ICMP_REDIRECT_TOSHOST
 2001 # define        ICMP_REDIRECT_TOSHOST   3
 2002 #endif
 2003 #ifndef ICMP_ALTHOSTADDR
 2004 # define        ICMP_ALTHOSTADDR        6
 2005 #endif
 2006 #ifndef ICMP_TIMXCEED
 2007 # define        ICMP_TIMXCEED   11
 2008 #endif
 2009 #ifndef ICMP_TIMXCEED_INTRANS
 2010 # define        ICMP_TIMXCEED_INTRANS   0
 2011 #endif
 2012 #ifndef ICMP_TIMXCEED_REASS
 2013 # define                ICMP_TIMXCEED_REASS     1
 2014 #endif
 2015 #ifndef ICMP_PARAMPROB
 2016 # define        ICMP_PARAMPROB  12
 2017 #endif
 2018 #ifndef ICMP_PARAMPROB_ERRATPTR
 2019 # define        ICMP_PARAMPROB_ERRATPTR 0
 2020 #endif
 2021 #ifndef ICMP_PARAMPROB_OPTABSENT
 2022 # define        ICMP_PARAMPROB_OPTABSENT        1
 2023 #endif
 2024 #ifndef ICMP_PARAMPROB_LENGTH
 2025 # define        ICMP_PARAMPROB_LENGTH   2
 2026 #endif
 2027 #ifndef ICMP_TSTAMP
 2028 # define        ICMP_TSTAMP     13
 2029 #endif
 2030 #ifndef ICMP_TSTAMPREPLY
 2031 # define        ICMP_TSTAMPREPLY        14
 2032 #endif
 2033 #ifndef ICMP_IREQ
 2034 # define        ICMP_IREQ       15
 2035 #endif
 2036 #ifndef ICMP_IREQREPLY
 2037 # define        ICMP_IREQREPLY  16
 2038 #endif
 2039 #ifndef ICMP_MASKREQ
 2040 # define        ICMP_MASKREQ    17
 2041 #endif
 2042 #ifndef ICMP_MASKREPLY
 2043 # define        ICMP_MASKREPLY  18
 2044 #endif
 2045 #ifndef ICMP_TRACEROUTE
 2046 # define        ICMP_TRACEROUTE 30
 2047 #endif
 2048 #ifndef ICMP_DATACONVERR
 2049 # define        ICMP_DATACONVERR        31
 2050 #endif
 2051 #ifndef ICMP_MOBILE_REDIRECT
 2052 # define        ICMP_MOBILE_REDIRECT    32
 2053 #endif
 2054 #ifndef ICMP_IPV6_WHEREAREYOU
 2055 # define        ICMP_IPV6_WHEREAREYOU   33
 2056 #endif
 2057 #ifndef ICMP_IPV6_IAMHERE
 2058 # define        ICMP_IPV6_IAMHERE       34
 2059 #endif
 2060 #ifndef ICMP_MOBILE_REGREQUEST
 2061 # define        ICMP_MOBILE_REGREQUEST  35
 2062 #endif
 2063 #ifndef ICMP_MOBILE_REGREPLY
 2064 # define        ICMP_MOBILE_REGREPLY    36
 2065 #endif
 2066 #ifndef ICMP_SKIP
 2067 # define        ICMP_SKIP       39
 2068 #endif
 2069 #ifndef ICMP_PHOTURIS
 2070 # define        ICMP_PHOTURIS   40
 2071 #endif
 2072 #ifndef ICMP_PHOTURIS_UNKNOWN_INDEX
 2073 # define        ICMP_PHOTURIS_UNKNOWN_INDEX     1
 2074 #endif
 2075 #ifndef ICMP_PHOTURIS_AUTH_FAILED
 2076 # define        ICMP_PHOTURIS_AUTH_FAILED       2
 2077 #endif
 2078 #ifndef ICMP_PHOTURIS_DECRYPT_FAILED
 2079 # define        ICMP_PHOTURIS_DECRYPT_FAILED    3
 2080 #endif
 2081 #ifndef IPVERSION
 2082 # define        IPVERSION       4
 2083 #endif
 2084 #ifndef IPOPT_MINOFF
 2085 # define        IPOPT_MINOFF    4
 2086 #endif
 2087 #ifndef IPOPT_COPIED
 2088 # define        IPOPT_COPIED(x) ((x)&0x80)
 2089 #endif
 2090 #ifndef IPOPT_EOL
 2091 # define        IPOPT_EOL       0
 2092 #endif
 2093 #ifndef IPOPT_NOP
 2094 # define        IPOPT_NOP       1
 2095 #endif
 2096 #ifndef IP_MF
 2097 # define        IP_MF   ((u_short)0x2000)
 2098 #endif
 2099 #ifndef ETHERTYPE_IP
 2100 # define        ETHERTYPE_IP    ((u_short)0x0800)
 2101 #endif
 2102 #ifndef TH_FIN
 2103 # define        TH_FIN  0x01
 2104 #endif
 2105 #ifndef TH_SYN
 2106 # define        TH_SYN  0x02
 2107 #endif
 2108 #ifndef TH_RST
 2109 # define        TH_RST  0x04
 2110 #endif
 2111 #ifndef TH_PUSH
 2112 # define        TH_PUSH 0x08
 2113 #endif
 2114 #ifndef TH_ACK
 2115 # define        TH_ACK  0x10
 2116 #endif
 2117 #ifndef TH_URG
 2118 # define        TH_URG  0x20
 2119 #endif
 2120 #undef  TH_ACKMASK
 2121 #define TH_ACKMASK      (TH_FIN|TH_SYN|TH_RST|TH_ACK)
 2122 
 2123 #ifndef IPOPT_EOL
 2124 # define        IPOPT_EOL       0
 2125 #endif
 2126 #ifndef IPOPT_NOP
 2127 # define        IPOPT_NOP       1
 2128 #endif
 2129 #ifndef IPOPT_RR
 2130 # define        IPOPT_RR        7
 2131 #endif
 2132 #ifndef IPOPT_TS
 2133 # define        IPOPT_TS        68
 2134 #endif
 2135 #ifndef IPOPT_SECURITY
 2136 # define        IPOPT_SECURITY  130
 2137 #endif
 2138 #ifndef IPOPT_LSRR
 2139 # define        IPOPT_LSRR      131
 2140 #endif
 2141 #ifndef IPOPT_SATID
 2142 # define        IPOPT_SATID     136
 2143 #endif
 2144 #ifndef IPOPT_SSRR
 2145 # define        IPOPT_SSRR      137
 2146 #endif
 2147 #ifndef IPOPT_SECUR_UNCLASS
 2148 # define        IPOPT_SECUR_UNCLASS     ((u_short)0x0000)
 2149 #endif
 2150 #ifndef IPOPT_SECUR_CONFID
 2151 # define        IPOPT_SECUR_CONFID      ((u_short)0xf135)
 2152 #endif
 2153 #ifndef IPOPT_SECUR_EFTO
 2154 # define        IPOPT_SECUR_EFTO        ((u_short)0x789a)
 2155 #endif
 2156 #ifndef IPOPT_SECUR_MMMM
 2157 # define        IPOPT_SECUR_MMMM        ((u_short)0xbc4d)
 2158 #endif
 2159 #ifndef IPOPT_SECUR_RESTR
 2160 # define        IPOPT_SECUR_RESTR       ((u_short)0xaf13)
 2161 #endif
 2162 #ifndef IPOPT_SECUR_SECRET
 2163 # define        IPOPT_SECUR_SECRET      ((u_short)0xd788)
 2164 #endif
 2165 #ifndef IPOPT_SECUR_TOPSECRET
 2166 # define        IPOPT_SECUR_TOPSECRET   ((u_short)0x6bc5)
 2167 #endif
 2168 #ifndef IPOPT_OLEN
 2169 # define        IPOPT_OLEN      1
 2170 #endif
 2171 #ifndef IPPROTO_HOPOPTS
 2172 # define        IPPROTO_HOPOPTS 0
 2173 #endif
 2174 #ifndef IPPROTO_ENCAP
 2175 # define        IPPROTO_ENCAP   4
 2176 #endif
 2177 #ifndef IPPROTO_IPV6
 2178 # define        IPPROTO_IPV6    41
 2179 #endif
 2180 #ifndef IPPROTO_ROUTING
 2181 # define        IPPROTO_ROUTING 43
 2182 #endif
 2183 #ifndef IPPROTO_FRAGMENT
 2184 # define        IPPROTO_FRAGMENT        44
 2185 #endif
 2186 #ifndef IPPROTO_GRE
 2187 # define        IPPROTO_GRE     47      /* GRE encaps RFC 1701 */
 2188 #endif
 2189 #ifndef IPPROTO_ESP
 2190 # define        IPPROTO_ESP     50
 2191 #endif
 2192 #ifndef IPPROTO_AH
 2193 # define        IPPROTO_AH      51
 2194 #endif
 2195 #ifndef IPPROTO_ICMPV6
 2196 # define        IPPROTO_ICMPV6  58
 2197 #endif
 2198 #ifndef IPPROTO_NONE
 2199 # define        IPPROTO_NONE    59
 2200 #endif
 2201 #ifndef IPPROTO_DSTOPTS
 2202 # define        IPPROTO_DSTOPTS 60
 2203 #endif
 2204 #ifndef IPPROTO_FRAGMENT
 2205 # define        IPPROTO_FRAGMENT        44
 2206 #endif
 2207 #ifndef ICMP_ROUTERADVERT
 2208 # define        ICMP_ROUTERADVERT       9
 2209 #endif
 2210 #ifndef ICMP_ROUTERSOLICIT
 2211 # define        ICMP_ROUTERSOLICIT      10
 2212 #endif
 2213 #ifndef ICMP6_DST_UNREACH
 2214 # define        ICMP6_DST_UNREACH       1
 2215 #endif
 2216 #ifndef ICMP6_PACKET_TOO_BIG
 2217 # define        ICMP6_PACKET_TOO_BIG    2
 2218 #endif
 2219 #ifndef ICMP6_TIME_EXCEEDED
 2220 # define        ICMP6_TIME_EXCEEDED     3
 2221 #endif
 2222 #ifndef ICMP6_PARAM_PROB
 2223 # define        ICMP6_PARAM_PROB        4
 2224 #endif
 2225 
 2226 #ifndef ICMP6_ECHO_REQUEST
 2227 # define        ICMP6_ECHO_REQUEST      128
 2228 #endif
 2229 #ifndef ICMP6_ECHO_REPLY
 2230 # define        ICMP6_ECHO_REPLY        129
 2231 #endif
 2232 #ifndef ICMP6_MEMBERSHIP_QUERY
 2233 # define        ICMP6_MEMBERSHIP_QUERY  130
 2234 #endif
 2235 #ifndef MLD6_LISTENER_QUERY
 2236 # define        MLD6_LISTENER_QUERY     130
 2237 #endif
 2238 #ifndef ICMP6_MEMBERSHIP_REPORT
 2239 # define        ICMP6_MEMBERSHIP_REPORT 131
 2240 #endif
 2241 #ifndef MLD6_LISTENER_REPORT
 2242 # define        MLD6_LISTENER_REPORT    131
 2243 #endif
 2244 #ifndef ICMP6_MEMBERSHIP_REDUCTION
 2245 # define        ICMP6_MEMBERSHIP_REDUCTION      132
 2246 #endif
 2247 #ifndef MLD6_LISTENER_DONE
 2248 # define        MLD6_LISTENER_DONE      132
 2249 #endif
 2250 #ifndef ND_ROUTER_SOLICIT
 2251 # define        ND_ROUTER_SOLICIT       133
 2252 #endif
 2253 #ifndef ND_ROUTER_ADVERT
 2254 # define        ND_ROUTER_ADVERT        134
 2255 #endif
 2256 #ifndef ND_NEIGHBOR_SOLICIT
 2257 # define        ND_NEIGHBOR_SOLICIT     135
 2258 #endif
 2259 #ifndef ND_NEIGHBOR_ADVERT
 2260 # define        ND_NEIGHBOR_ADVERT      136
 2261 #endif
 2262 #ifndef ND_REDIRECT
 2263 # define        ND_REDIRECT     137
 2264 #endif
 2265 #ifndef ICMP6_ROUTER_RENUMBERING
 2266 # define        ICMP6_ROUTER_RENUMBERING        138
 2267 #endif
 2268 #ifndef ICMP6_WRUREQUEST
 2269 # define        ICMP6_WRUREQUEST        139
 2270 #endif
 2271 #ifndef ICMP6_WRUREPLY
 2272 # define        ICMP6_WRUREPLY          140
 2273 #endif
 2274 #ifndef ICMP6_FQDN_QUERY
 2275 # define        ICMP6_FQDN_QUERY        139
 2276 #endif
 2277 #ifndef ICMP6_FQDN_REPLY
 2278 # define        ICMP6_FQDN_REPLY        140
 2279 #endif
 2280 #ifndef ICMP6_NI_QUERY
 2281 # define        ICMP6_NI_QUERY          139
 2282 #endif
 2283 #ifndef ICMP6_NI_REPLY
 2284 # define        ICMP6_NI_REPLY          140
 2285 #endif
 2286 #ifndef MLD6_MTRACE_RESP
 2287 # define        MLD6_MTRACE_RESP        200
 2288 #endif
 2289 #ifndef MLD6_MTRACE
 2290 # define        MLD6_MTRACE             201
 2291 #endif
 2292 #ifndef ICMP6_HADISCOV_REQUEST
 2293 # define        ICMP6_HADISCOV_REQUEST  202
 2294 #endif
 2295 #ifndef ICMP6_HADISCOV_REPLY
 2296 # define        ICMP6_HADISCOV_REPLY    203
 2297 #endif
 2298 #ifndef ICMP6_MOBILEPREFIX_SOLICIT
 2299 # define        ICMP6_MOBILEPREFIX_SOLICIT      204
 2300 #endif
 2301 #ifndef ICMP6_MOBILEPREFIX_ADVERT
 2302 # define        ICMP6_MOBILEPREFIX_ADVERT       205
 2303 #endif
 2304 #ifndef ICMP6_MAXTYPE
 2305 # define        ICMP6_MAXTYPE           205
 2306 #endif
 2307 
 2308 #ifndef ICMP6_DST_UNREACH_NOROUTE
 2309 # define        ICMP6_DST_UNREACH_NOROUTE       0
 2310 #endif
 2311 #ifndef ICMP6_DST_UNREACH_ADMIN
 2312 # define        ICMP6_DST_UNREACH_ADMIN         1
 2313 #endif
 2314 #ifndef ICMP6_DST_UNREACH_NOTNEIGHBOR
 2315 # define        ICMP6_DST_UNREACH_NOTNEIGHBOR   2
 2316 #endif
 2317 #ifndef ICMP6_DST_UNREACH_BEYONDSCOPE
 2318 # define        ICMP6_DST_UNREACH_BEYONDSCOPE   2
 2319 #endif
 2320 #ifndef ICMP6_DST_UNREACH_ADDR
 2321 # define        ICMP6_DST_UNREACH_ADDR          3
 2322 #endif
 2323 #ifndef ICMP6_DST_UNREACH_NOPORT
 2324 # define        ICMP6_DST_UNREACH_NOPORT        4
 2325 #endif
 2326 #ifndef ICMP6_TIME_EXCEED_TRANSIT
 2327 # define        ICMP6_TIME_EXCEED_TRANSIT       0
 2328 #endif
 2329 #ifndef ICMP6_TIME_EXCEED_REASSEMBLY
 2330 # define        ICMP6_TIME_EXCEED_REASSEMBLY    1
 2331 #endif
 2332 
 2333 #ifndef ICMP6_NI_SUCCESS
 2334 # define        ICMP6_NI_SUCCESS        0
 2335 #endif
 2336 #ifndef ICMP6_NI_REFUSED
 2337 # define        ICMP6_NI_REFUSED        1
 2338 #endif
 2339 #ifndef ICMP6_NI_UNKNOWN
 2340 # define        ICMP6_NI_UNKNOWN        2
 2341 #endif
 2342 
 2343 #ifndef ICMP6_ROUTER_RENUMBERING_COMMAND
 2344 # define        ICMP6_ROUTER_RENUMBERING_COMMAND        0
 2345 #endif
 2346 #ifndef ICMP6_ROUTER_RENUMBERING_RESULT
 2347 # define        ICMP6_ROUTER_RENUMBERING_RESULT 1
 2348 #endif
 2349 #ifndef ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET
 2350 # define        ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET   255
 2351 #endif
 2352 
 2353 #ifndef ICMP6_PARAMPROB_HEADER
 2354 # define        ICMP6_PARAMPROB_HEADER  0
 2355 #endif
 2356 #ifndef ICMP6_PARAMPROB_NEXTHEADER
 2357 # define        ICMP6_PARAMPROB_NEXTHEADER      1
 2358 #endif
 2359 #ifndef ICMP6_PARAMPROB_OPTION
 2360 # define        ICMP6_PARAMPROB_OPTION  2
 2361 #endif
 2362 
 2363 #ifndef ICMP6_NI_SUBJ_IPV6
 2364 # define        ICMP6_NI_SUBJ_IPV6      0
 2365 #endif
 2366 #ifndef ICMP6_NI_SUBJ_FQDN
 2367 # define        ICMP6_NI_SUBJ_FQDN      1
 2368 #endif
 2369 #ifndef ICMP6_NI_SUBJ_IPV4
 2370 # define        ICMP6_NI_SUBJ_IPV4      2
 2371 #endif
 2372 
 2373 #if !defined(IPV6_FLOWINFO_MASK)
 2374 # if (BYTE_ORDER == BIG_ENDIAN) || defined(_BIG_ENDIAN)
 2375 #  define IPV6_FLOWINFO_MASK    0x0fffffff      /* flow info (28 bits) */
 2376 # else
 2377 #  if(BYTE_ORDER == LITTLE_ENDIAN) || !defined(_BIG_ENDIAN)
 2378 #   define IPV6_FLOWINFO_MASK   0xffffff0f      /* flow info (28 bits) */
 2379 #  endif /* LITTLE_ENDIAN */
 2380 # endif
 2381 #endif
 2382 #if !defined(IPV6_FLOWLABEL_MASK)
 2383 # if (BYTE_ORDER == BIG_ENDIAN) || defined(_BIG_ENDIAN)
 2384 #  define IPV6_FLOWLABEL_MASK   0x000fffff      /* flow label (20 bits) */
 2385 # else
 2386 #  if (BYTE_ORDER == LITTLE_ENDIAN) || !defined(_BIG_ENDIAN)
 2387 #   define IPV6_FLOWLABEL_MASK  0xffff0f00      /* flow label (20 bits) */
 2388 #  endif /* LITTLE_ENDIAN */
 2389 # endif
 2390 #endif
 2391 
 2392 /*
 2393  * ECN is a new addition to TCP - RFC 2481
 2394  */
 2395 #ifndef TH_ECN
 2396 # define        TH_ECN  0x40
 2397 #endif
 2398 #ifndef TH_CWR
 2399 # define        TH_CWR  0x80
 2400 #endif
 2401 #define TH_ECNALL       (TH_ECN|TH_CWR)
 2402 
 2403 /*
 2404  * TCP States
 2405  */
 2406 #define IPF_TCPS_LISTEN         0       /* listening for connection */
 2407 #define IPF_TCPS_SYN_SENT       1       /* active, have sent syn */
 2408 #define IPF_TCPS_SYN_RECEIVED   2       /* have send and received syn */
 2409 #define IPF_TCPS_HALF_ESTAB     3       /* for connections not fully "up" */
 2410 /* states < IPF_TCPS_ESTABLISHED are those where connections not established */
 2411 #define IPF_TCPS_ESTABLISHED    4       /* established */
 2412 #define IPF_TCPS_CLOSE_WAIT     5       /* rcvd fin, waiting for close */
 2413 /* states > IPF_TCPS_CLOSE_WAIT are those where user has closed */
 2414 #define IPF_TCPS_FIN_WAIT_1     6       /* have closed, sent fin */
 2415 #define IPF_TCPS_CLOSING        7       /* closed xchd FIN; await FIN ACK */
 2416 #define IPF_TCPS_LAST_ACK       8       /* had fin and close; await FIN ACK */
 2417 /* states > IPF_TCPS_CLOSE_WAIT && < IPF_TCPS_FIN_WAIT_2 await ACK of FIN */
 2418 #define IPF_TCPS_FIN_WAIT_2     9       /* have closed, fin is acked */
 2419 #define IPF_TCPS_TIME_WAIT      10      /* in 2*msl quiet wait after close */
 2420 #define IPF_TCPS_CLOSED         11      /* closed */
 2421 #define IPF_TCP_NSTATES         12
 2422 
 2423 #define TCP_MSL                 120
 2424 
 2425 #undef  ICMP_MAX_UNREACH
 2426 #define ICMP_MAX_UNREACH        14
 2427 #undef  ICMP_MAXTYPE
 2428 #define ICMP_MAXTYPE            18
 2429 
 2430 #ifndef IFNAMSIZ
 2431 #define IFNAMSIZ                16
 2432 #endif
 2433 
 2434 #ifndef LOG_FTP
 2435 # define        LOG_FTP         (11<<3)
 2436 #endif
 2437 #ifndef LOG_AUTHPRIV
 2438 # define        LOG_AUTHPRIV    (10<<3)
 2439 #endif
 2440 #ifndef LOG_AUDIT
 2441 # define        LOG_AUDIT       (13<<3)
 2442 #endif
 2443 #ifndef LOG_NTP
 2444 # define        LOG_NTP         (12<<3)
 2445 #endif
 2446 #ifndef LOG_SECURITY
 2447 # define        LOG_SECURITY    (13<<3)
 2448 #endif
 2449 #ifndef LOG_LFMT
 2450 # define        LOG_LFMT        (14<<3)
 2451 #endif
 2452 #ifndef LOG_CONSOLE
 2453 # define        LOG_CONSOLE     (14<<3)
 2454 #endif
 2455 
 2456 /*
 2457  * ICMP error replies have an IP header (20 bytes), 8 bytes of ICMP data,
 2458  * another IP header and then 64 bits of data, totalling 56.  Of course,
 2459  * the last 64 bits is dependent on that being available.
 2460  */
 2461 #define ICMPERR_ICMPHLEN        8
 2462 #define ICMPERR_IPICMPHLEN      (20 + 8)
 2463 #define ICMPERR_MINPKTLEN       (20 + 8 + 20)
 2464 #define ICMPERR_MAXPKTLEN       (20 + 8 + 20 + 8)
 2465 #define ICMP6ERR_MINPKTLEN      (40 + 8)
 2466 #define ICMP6ERR_IPICMPHLEN     (40 + 8 + 40)
 2467 
 2468 #ifndef MIN
 2469 # define        MIN(a,b)        (((a)<(b))?(a):(b))
 2470 #endif
 2471 
 2472 #ifdef IPF_DEBUG
 2473 # define        DPRINT(x)       printf x
 2474 #else
 2475 # define        DPRINT(x)
 2476 #endif
 2477 
 2478 #ifdef RESCUE
 2479 # undef IPFILTER_BPF
 2480 #endif
 2481 
 2482 #ifndef DTRACE_PROBE
 2483 # define DTRACE_PROBE(_x_)
 2484 # define DTRACE_PROBE1(_x_, _t1_, _a1_)
 2485 # define DTRACE_PROBE2(_x_, _t1_, _a1_, _t2_, _a2_)
 2486 # define DTRACE_PROBE3(_x_, _t1_, _a1_, _t2_, _a2_, _t3_, _a3_)
 2487 # define DTRACE_PROBE4(_x_, _t1_, _a1_, _t2_, _a2_, _t3_, _a3_, _t4_, _a4_)
 2488 #endif
 2489 
 2490 #ifndef IPF_IS_LOOPBACK
 2491 # define IPF_IS_LOOPBACK(x)     0
 2492 #endif
 2493 
 2494 #endif  /* __IP_COMPAT_H__ */

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