bsd/netinet/ip_compat.h

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