bsd/netinet/ip_compat.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * Copyright (C) 1993-1997 by Darren Reed.
  24  *
  25  * Redistribution and use in source and binary forms are permitted
  26  * provided that this notice is preserved and due credit is given
  27  * to the original author and the contributors.
  28  *
  29  * @(#)ip_compat.h      1.8 1/14/96
  30  */
  31
  32 #if 0
  33
  34 #ifndef __IP_COMPAT_H__
  35 #define __IP_COMPAT_H__
  36
  37 #ifndef __P
  38 # ifdef __STDC__
  39 #  define       __P(x)  x
  40 # else
  41 #  define       __P(x)  ()
  42 #  define       const
  43 # endif
  44 #endif
  45
  46 #ifndef SOLARIS
  47 #define SOLARIS (defined(sun) && (defined(__svr4__) || defined(__SVR4)))
  48 #endif
  49
  50 #if defined(_KERNEL) && !defined(KERNEL)
  51 # define        KERNEL
  52 #endif
  53 #if defined(KERNEL) && !defined(_KERNEL)
  54 # define        _KERNEL
  55 #endif
  56 #if!defined(__KERNEL__) && defined(KERNEL)
  57 # define        __KERNEL__
  58 #endif
  59
  60 #if defined(__SVR4) || defined(__svr4__) || defined(__sgi)
  61 #define index   strchr
  62 # if !defined(_KERNEL)
  63 #  define       bzero(a,b)      memset(a,0,b)
  64 #  define       bcmp            memcmp
  65 #  define       bcopy(a,b,c)    memmove(b,a,c)
  66 # endif
  67 #endif
  68
  69 struct  ether_addr {
  70         u_char  ether_addr_octet[6];
  71 };
  72
  73 #ifdef  linux
  74 # include <sys/sysmacros.h>
  75 #endif
  76 #if     SOLARIS
  77 # define        MTYPE(m)        ((m)->b_datap->db_type)
  78 # include       <sys/ioccom.h>
  79 # include       <sys/sysmacros.h>
  80 # include       <sys/kmem.h>
  81 /*
  82  * because Solaris 2 defines these in two places :-/
  83  */
  84 # undef IPOPT_EOL
  85 # undef IPOPT_NOP
  86 # undef IPOPT_LSRR
  87 # undef IPOPT_RR
  88 # undef IPOPT_SSRR
  89 # ifndef        _KERNEL
  90 #  define       _KERNEL
  91 #  undef        RES_INIT
  92 #  include <inet/common.h>
  93 #  include <inet/ip.h>
  94 #  include <inet/ip_ire.h>
  95 #  undef        _KERNEL
  96 # else /* _KERNEL */
  97 #  include <inet/common.h>
  98 #  include <inet/ip.h>
  99 #  include <inet/ip_ire.h>
 100 # endif /* _KERNEL */
 101 #endif /* SOLARIS */
 102 #define IPMINLEN(i, h)  ((i)->ip_len >= ((i)->ip_hl * 4 + sizeof(struct h)))
 103
 104 #ifndef IP_OFFMASK
 105 #define IP_OFFMASK      0x1fff
 106 #endif
 107
 108 #if     BSD > 199306
 109 # define        USE_QUAD_T
 110 # define        U_QUAD_T        u_quad_t
 111 # define        QUAD_T          quad_t
 112 #else /* BSD > 199306 */
 113 # define        U_QUAD_T        u_long
 114 # define        QUAD_T          long
 115 #endif /* BSD > 199306 */
 116
 117 /*
 118  * These operating systems already take care of the problem for us.
 119  */
 120 #if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__) || \
 121     defined(__sgi)
 122 typedef u_int32_t       u_32_t;
 123 #else
 124 /*
 125  * Really, any arch where sizeof(long) != sizeof(int).
 126  */
 127 # if defined(__alpha__) || defined(__alpha)
 128 typedef unsigned int    u_32_t;
 129 # else
 130 typedef unsigned long   u_32_t;
 131 # endif
 132 #endif /* __NetBSD__ || __OpenBSD__ || __FreeBSD__ || __sgi */
 133
 134 #ifndef MAX
 135 #define MAX(a,b)        (((a) > (b)) ? (a) : (b))
 136 #endif
 137
 138 /*
 139  * Security Options for Intenet Protocol (IPSO) as defined in RFC 1108.
 140  *
 141  * Basic Option
 142  *
 143  * 00000001   -   (Reserved 4)
 144  * 00111101   -   Top Secret
 145  * 01011010   -   Secret
 146  * 10010110   -   Confidential
 147  * 01100110   -   (Reserved 3)
 148  * 11001100   -   (Reserved 2)
 149  * 10101011   -   Unclassified
 150  * 11110001   -   (Reserved 1)
 151  */
 152 #define IPSO_CLASS_RES4         0x01
 153 #define IPSO_CLASS_TOPS         0x3d
 154 #define IPSO_CLASS_SECR         0x5a
 155 #define IPSO_CLASS_CONF         0x96
 156 #define IPSO_CLASS_RES3         0x66
 157 #define IPSO_CLASS_RES2         0xcc
 158 #define IPSO_CLASS_UNCL         0xab
 159 #define IPSO_CLASS_RES1         0xf1
 160
 161 #define IPSO_AUTH_GENSER        0x80
 162 #define IPSO_AUTH_ESI           0x40
 163 #define IPSO_AUTH_SCI           0x20
 164 #define IPSO_AUTH_NSA           0x10
 165 #define IPSO_AUTH_DOE           0x08
 166 #define IPSO_AUTH_UN            0x06
 167 #define IPSO_AUTH_FTE           0x01
 168
 169 /*
 170  * IP option #defines
 171  */
 172 /*#define       IPOPT_RR        7 */
 173 #define IPOPT_ZSU       10      /* ZSU */
 174 #define IPOPT_MTUP      11      /* MTUP */
 175 #define IPOPT_MTUR      12      /* MTUR */
 176 #define IPOPT_ENCODE    15      /* ENCODE */
 177 /*#define       IPOPT_TS        68 */
 178 #define IPOPT_TR        82      /* TR */
 179 /*#define       IPOPT_SECURITY  130 */
 180 /*#define       IPOPT_LSRR      131 */
 181 #define IPOPT_E_SEC     133     /* E-SEC */
 182 #define IPOPT_CIPSO     134     /* CIPSO */
 183 /*#define       IPOPT_SATID     136 */
 184 #ifndef IPOPT_SID
 185 # define        IPOPT_SID       IPOPT_SATID
 186 #endif
 187 /*#define       IPOPT_SSRR      137 */
 188 #define IPOPT_ADDEXT    147     /* ADDEXT */
 189 #define IPOPT_VISA      142     /* VISA */
 190 #define IPOPT_IMITD     144     /* IMITD */
 191 #define IPOPT_EIP       145     /* EIP */
 192 #define IPOPT_FINN      205     /* FINN */
 193
 194
 195 #if defined(__FreeBSD__) && defined(KERNEL)
 196 # if __FreeBSD__ < 3
 197 #  include <machine/spl.h>
 198 # endif
 199 #endif /* __FreeBSD__ && KERNEL */
 200
 201 /*
 202  * Build some macros and #defines to enable the same code to compile anywhere
 203  * Well, that's the idea, anyway :-)
 204  */
 205 #if KERNEL
 206 # if SOLARIS
 207 #  define       MUTEX_ENTER(x)  mutex_enter(x)
 208 #  define       MUTEX_EXIT(x)   mutex_exit(x)
 209 #  define       MTOD(m,t)       (t)((m)->b_rptr)
 210 #  define       IRCOPY(a,b,c)   copyin((a), (b), (c))
 211 #  define       IWCOPY(a,b,c)   copyout((a), (b), (c))
 212 #  define       FREE_MB_T(m)    freemsg(m)
 213 #  define       SPL_NET(x)      ;
 214 #  define       SPL_IMP(x)      ;
 215 #  undef        SPL_X
 216 #  define       SPL_X(x)        ;
 217 #  ifdef sparc
 218 #   define      ntohs(x)        (x)
 219 #   define      ntohl(x)        (x)
 220 #   define      htons(x)        (x)
 221 #   define      htonl(x)        (x)
 222 #  endif /* sparc */
 223 #  define       KMALLOC(a,b,c)  (a) = (b)kmem_alloc((c), KM_NOSLEEP)
 224 #  define       GET_MINOR(x)    getminor(x)
 225 typedef struct  qif     {
 226         struct  qif     *qf_next;
 227         ill_t   *qf_ill;
 228         kmutex_t        qf_lock;
 229         void    *qf_iptr;
 230         void    *qf_optr;
 231         queue_t *qf_in;
 232         queue_t *qf_out;
 233         struct  qinit   *qf_wqinfo;
 234         struct  qinit   *qf_rqinfo;
 235         struct  qinit   qf_wqinit;
 236         struct  qinit   qf_rqinit;
 237         mblk_t  *qf_m;  /* These three fields are for passing data up from */
 238         queue_t *qf_q;  /* fr_qin and fr_qout to the packet processing. */
 239         int     qf_off;
 240         int     qf_len; /* this field is used for in ipfr_fastroute */
 241         char    qf_name[8];
 242         /*
 243          * in case the ILL has disappeared...
 244          */
 245         int     qf_hl;  /* header length */
 246 } qif_t;
 247 extern  ill_t   *get_unit __P((char *));
 248 #  define       GETUNIT(n)      get_unit((n))
 249 # else /* SOLARIS */
 250 #  if defined(__sgi)
 251 #   include <sys/ksynch.h>
 252 #   define      IPF_LOCK_PL     plhi
 253 #   include <sys/sema.h>
 254 #undef kmutex_t
 255 typedef struct {
 256         lock_t *l;
 257         int pl;
 258 } kmutex_t;
 259 #   define      MUTEX_ENTER(x)  (x)->pl = LOCK((x)->l, IPF_LOCK_PL);
 260 #   define      MUTEX_EXIT(x)   UNLOCK((x)->l, (x)->pl);
 261 #  else /* __sgi */
 262 #   define      MUTEX_ENTER(x)  ;
 263 #   define      MUTEX_EXIT(x)   ;
 264 #  endif /* __sgi */
 265 #  ifndef linux
 266 #   define      FREE_MB_T(m)    m_freem(m)
 267 #   define      MTOD(m,t)       mtod(m,t)
 268 #   define      IRCOPY(a,b,c)   bcopy((a), (b), (c))
 269 #   define      IWCOPY(a,b,c)   bcopy((a), (b), (c))
 270 #  endif /* !linux */
 271 # endif /* SOLARIS */
 272
 273 # ifdef sun
 274 #  if !SOLARIS
 275 #   include     <sys/kmem_alloc.h>
 276 #   define      GETUNIT(n)      ifunit((n), IFNAMSIZ)
 277 #  endif
 278 # else
 279 #  ifndef       linux
 280 #   define      GETUNIT(n)      ifunit((n))
 281 #  endif
 282 # endif /* sun */
 283
 284 # if defined(sun) && !defined(linux) || defined(__sgi)
 285 #  define       UIOMOVE(a,b,c,d)        uiomove((caddr_t)a,b,c,d)
 286 #  define       SLEEP(id, n)    sleep((id), PZERO+1)
 287 #  define       WAKEUP(id)      wakeup(id)
 288 #  define       KFREE(x)        kmem_free((char *)(x), sizeof(*(x)))
 289 #  define       KFREES(x,s)     kmem_free((char *)(x), (s))
 290 #  if !SOLARIS
 291 extern  void    m_copydata __P((struct mbuf *, int, int, caddr_t));
 292 extern  void    m_copyback __P((struct mbuf *, int, int, caddr_t));
 293 #  endif
 294 #  ifdef __sgi
 295 #   include <sys/kmem.h>
 296 #   include <sys/ddi.h>
 297 #   define      KMALLOC(a,b,c)  (a) = (b)kmem_alloc((c), KM_NOSLEEP)
 298 #   define      GET_MINOR(x)    getminor(x)
 299 #  else
 300 #   if !SOLARIS
 301 #    define     KMALLOC(a,b,c)  (a) = (b)new_kmem_alloc((c), KMEM_NOSLEEP)
 302 #   endif /* SOLARIS */
 303 #  endif /* __sgi */
 304 # endif /* sun && !linux */
 305 # ifndef        GET_MINOR
 306 #  define       GET_MINOR(x)    minor(x)
 307 # endif
 308 # if (BSD >= 199306) || defined(__FreeBSD__)
 309 #  include <vm/vm.h>
 310 #  if !defined(__FreeBSD__) || (defined (__FreeBSD__) && __FreeBSD__>=3)
 311 #   include <vm/vm_extern.h>
 312 #   include <sys/proc.h>
 313 extern  vm_map_t        kmem_map;
 314 #  else /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD__>=3) */
 315 #   include <vm/vm_kern.h>
 316 #  endif /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD__>=3) */
 317 #  ifdef        M_PFIL
 318 #   define      KMALLOC(a, b, c)        MALLOC((a), b, (c), M_PFIL, M_NOWAIT)
 319 #   define      KFREE(x)        FREE((x), M_PFIL)
 320 #   define      KFREES(x,s)     FREE((x), M_PFIL)
 321 #  else
 322 #   define      KMALLOC(a, b, c)        MALLOC((a), b, (c), M_TEMP, M_NOWAIT)
 323 #   define      KFREE(x)        FREE((x), M_TEMP)
 324 #   define      KFREES(x,s)     FREE((x), M_TEMP)
 325 #  endif /* M_PFIL */
 326 #  define       UIOMOVE(a,b,c,d)        uiomove(a,b,d)
 327 #  define       SLEEP(id, n)    tsleep((id), PPAUSE|PCATCH, n, 0)
 328 #  define       WAKEUP(id)      wakeup(id)
 329 # endif /* BSD */
 330 # if defined(NetBSD) && NetBSD <= 1991011 && NetBSD >= 199407
 331 #  define       SPL_NET(x)      x = splsoftnet()
 332 #  define       SPL_X(x)        (void) splx(x)
 333 # else
 334 #  if !SOLARIS && !defined(linux)
 335 #   define      SPL_IMP(x)      x = splimp()
 336 #   define      SPL_NET(x)      x = splnet()
 337 #   define      SPL_X(x)        (void) splx(x)
 338 #  endif
 339 # endif /* NetBSD && NetBSD <= 1991011 && NetBSD >= 199407 */
 340 # define        PANIC(x,y)      if (x) panic y
 341 #else /* KERNEL */
 342 # define        SLEEP(x,y)      ;
 343 # define        WAKEUP(x)       ;
 344 # define        PANIC(x,y)      ;
 345 # define        MUTEX_ENTER(x)  ;
 346 # define        MUTEX_EXIT(x)   ;
 347 # define        SPL_NET(x)      ;
 348 # define        SPL_IMP(x)      ;
 349 # undef         SPL_X
 350 # define        SPL_X(x)        ;
 351 /*# define      KMALLOC(a,b,c)  (a) = (b)malloc(c) */
 352 # define        KFREE(x)        FREE(x)
 353 # define        KFREES(x,s)     FREE(x)
 354 # define        GETUNIT(x)      get_unit(x)
 355 # define        IRCOPY(a,b,c)   bcopy((a), (b), (c))
 356 # define        IWCOPY(a,b,c)   bcopy((a), (b), (c))
 357 #endif /* KERNEL */
 358
 359 #if SOLARIS
 360 typedef mblk_t mb_t;
 361 #else
 362 # ifdef linux
 363 typedef struct sk_buff mb_t;
 364 # else
 365 typedef struct mbuf mb_t;
 366 # endif
 367 #endif /* SOLARIS */
 368
 369 #if defined(linux) || defined(__sgi)
 370 /*
 371  * These #ifdef's are here mainly for linux, but who knows, they may
 372  * not be in other places or maybe one day linux will grow up and some
 373  * of these will turn up there too.
 374  */
 375 #ifndef ICMP_MINLEN
 376 # define        ICMP_MINLEN     8
 377 #endif
 378 #ifndef ICMP_UNREACH
 379 # define        ICMP_UNREACH    ICMP_DEST_UNREACH
 380 #endif
 381 #ifndef ICMP_SOURCEQUENCH
 382 # define        ICMP_SOURCEQUENCH       ICMP_SOURCE_QUENCH
 383 #endif
 384 #ifndef ICMP_TIMXCEED
 385 # define        ICMP_TIMXCEED   ICMP_TIME_EXCEEDED
 386 #endif
 387 #ifndef ICMP_PARAMPROB
 388 # define        ICMP_PARAMPROB  ICMP_PARAMETERPROB
 389 #endif
 390 #ifndef ICMP_TSTAMP
 391 # define        ICMP_TSTAMP     ICMP_TIMESTAMP
 392 #endif
 393 #ifndef ICMP_TSTAMPREPLY
 394 # define        ICMP_TSTAMPREPLY        ICMP_TIMESTAMPREPLY
 395 #endif
 396 #ifndef ICMP_IREQ
 397 # define        ICMP_IREQ       ICMP_INFO_REQUEST
 398 #endif
 399 #ifndef ICMP_IREQREPLY
 400 # define        ICMP_IREQREPLY  ICMP_INFO_REPLY
 401 #endif
 402 #ifndef ICMP_MASKREQ
 403 # define        ICMP_MASKREQ    ICMP_ADDRESS
 404 #endif
 405 #ifndef ICMP_MASKREPLY
 406 # define        ICMP_MASKREPLY  ICMP_ADDRESSREPLY
 407 #endif
 408 #ifndef IPVERSION
 409 # define        IPVERSION       4
 410 #endif
 411 #ifndef IPOPT_MINOFF
 412 # define        IPOPT_MINOFF    4
 413 #endif
 414 #ifndef IPOPT_COPIED
 415 # define        IPOPT_COPIED(x) ((x)&0x80)
 416 #endif
 417 #ifndef IPOPT_EOL
 418 # define        IPOPT_EOL       0
 419 #endif
 420 #ifndef IPOPT_NOP
 421 # define        IPOPT_NOP       1
 422 #endif
 423 #ifndef IP_MF
 424 # define        IP_MF   ((u_short)0x2000)
 425 #endif
 426 #ifndef ETHERTYPE_IP
 427 # define        ETHERTYPE_IP    ((u_short)0x0800)
 428 #endif
 429 #ifndef TH_FIN
 430 # define        TH_FIN  0x01
 431 #endif
 432 #ifndef TH_SYN
 433 # define        TH_SYN  0x02
 434 #endif
 435 #ifndef TH_RST
 436 # define        TH_RST  0x04
 437 #endif
 438 #ifndef TH_PUSH
 439 # define        TH_PUSH 0x08
 440 #endif
 441 #ifndef TH_ACK
 442 # define        TH_ACK  0x10
 443 #endif
 444 #ifndef TH_URG
 445 # define        TH_URG  0x20
 446 #endif
 447 #ifndef IPOPT_EOL
 448 # define        IPOPT_EOL       0
 449 #endif
 450 #ifndef IPOPT_NOP
 451 # define        IPOPT_NOP       1
 452 #endif
 453 #ifndef IPOPT_RR
 454 # define        IPOPT_RR        7
 455 #endif
 456 #ifndef IPOPT_TS
 457 # define        IPOPT_TS        68
 458 #endif
 459 #ifndef IPOPT_SECURITY
 460 # define        IPOPT_SECURITY  130
 461 #endif
 462 #ifndef IPOPT_LSRR
 463 # define        IPOPT_LSRR      131
 464 #endif
 465 #ifndef IPOPT_SATID
 466 # define        IPOPT_SATID     136
 467 #endif
 468 #ifndef IPOPT_SSRR
 469 # define        IPOPT_SSRR      137
 470 #endif
 471 #ifndef IPOPT_SECUR_UNCLASS
 472 # define        IPOPT_SECUR_UNCLASS     ((u_short)0x0000)
 473 #endif
 474 #ifndef IPOPT_SECUR_CONFID
 475 # define        IPOPT_SECUR_CONFID      ((u_short)0xf135)
 476 #endif
 477 #ifndef IPOPT_SECUR_EFTO
 478 # define        IPOPT_SECUR_EFTO        ((u_short)0x789a)
 479 #endif
 480 #ifndef IPOPT_SECUR_MMMM
 481 # define        IPOPT_SECUR_MMMM        ((u_short)0xbc4d)
 482 #endif
 483 #ifndef IPOPT_SECUR_RESTR
 484 # define        IPOPT_SECUR_RESTR       ((u_short)0xaf13)
 485 #endif
 486 #ifndef IPOPT_SECUR_SECRET
 487 # define        IPOPT_SECUR_SECRET      ((u_short)0xd788)
 488 #endif
 489 #ifndef IPOPT_SECUR_TOPSECRET
 490 # define        IPOPT_SECUR_TOPSECRET   ((u_short)0x6bc5)
 491 #endif
 492 #ifndef IPOPT_OLEN
 493 # define        IPOPT_OLEN      1
 494 #endif
 495 #endif /* linux || __sgi */
 496
 497 #ifdef  linux
 498 /*
 499  * TCP States
 500  */
 501 #define TCPS_CLOSED             0       /* closed */
 502 #define TCPS_LISTEN             1       /* listening for connection */
 503 #define TCPS_SYN_SENT           2       /* active, have sent syn */
 504 #define TCPS_SYN_RECEIVED       3       /* have send and received syn */
 505 /* states < TCPS_ESTABLISHED are those where connections not established */
 506 #define TCPS_ESTABLISHED        4       /* established */
 507 #define TCPS_CLOSE_WAIT         5       /* rcvd fin, waiting for close */
 508 /* states > TCPS_CLOSE_WAIT are those where user has closed */
 509 #define TCPS_FIN_WAIT_1         6       /* have closed, sent fin */
 510 #define TCPS_CLOSING            7       /* closed xchd FIN; await FIN ACK */
 511 #define TCPS_LAST_ACK           8       /* had fin and close; await FIN ACK */
 512 /* states > TCPS_CLOSE_WAIT && < TCPS_FIN_WAIT_2 await ACK of FIN */
 513 #define TCPS_FIN_WAIT_2         9       /* have closed, fin is acked */
 514 #define TCPS_TIME_WAIT          10      /* in 2*msl quiet wait after close */
 515
 516 /*
 517  * file flags.
 518  */
 519 #define FWRITE  WRITE
 520 #define FREAD   READ
 521 /*
 522  * mbuf related problems.
 523  */
 524 #define mtod(m,t)       (t)((m)->data)
 525 #define m_len           len
 526 #define m_next          next
 527
 528 #define IP_DF           0x8000
 529
 530 typedef struct  {
 531         __u16   th_sport;
 532         __u16   th_dport;
 533         __u32   th_seq;
 534         __u32   th_ack;
 535 # if defined(__i386__) || defined(__MIPSEL__) || defined(__alpha__) ||\
 536     defined(vax)
 537         __u8    th_res:4;
 538         __u8    th_off:4;
 539 #else
 540         __u8    th_off:4;
 541         __u8    th_res:4;
 542 #endif
 543         __u8    th_flags;
 544         __u16   th_win;
 545         __u16   th_sum;
 546         __u16   th_urp;
 547 } tcphdr_t;
 548
 549 typedef struct  {
 550         __u16   uh_sport;
 551         __u16   uh_dport;
 552         __u16   uh_ulen;
 553         __u16   uh_sum;
 554 } udphdr_t;
 555
 556 typedef struct  {
 557 # if defined(__i386__) || defined(__MIPSEL__) || defined(__alpha__) ||\
 558     defined(vax)
 559         __u8    ip_hl:4;
 560         __u8    ip_v:4;
 561 # else
 562         __u8    ip_hl:4;
 563         __u8    ip_v:4;
 564 # endif
 565         __u8    ip_tos;
 566         __u16   ip_len;
 567         __u16   ip_id;
 568         __u16   ip_off;
 569         __u8    ip_ttl;
 570         __u8    ip_p;
 571         __u16   ip_sum;
 572         struct  in_addr ip_src;
 573         struct  in_addr ip_dst;
 574 } ip_t;
 575
 576 /*
 577  * Structure of an icmp header.
 578  */
 579 typedef struct icmp {
 580         u_char  icmp_type;              /* type of message, see below */
 581         u_char  icmp_code;              /* type sub code */
 582         u_short icmp_cksum;             /* ones complement cksum of struct */
 583         union {
 584                 u_char ih_pptr;                 /* ICMP_PARAMPROB */
 585                 struct in_addr ih_gwaddr;       /* ICMP_REDIRECT */
 586                 struct ih_idseq {
 587                         n_short icd_id;
 588                         n_short icd_seq;
 589                 } ih_idseq;
 590                 int ih_void;
 591         } icmp_hun;
 592 # define        icmp_pptr       icmp_hun.ih_pptr
 593 # define        icmp_gwaddr     icmp_hun.ih_gwaddr
 594 # define        icmp_id         icmp_hun.ih_idseq.icd_id
 595 # define        icmp_seq        icmp_hun.ih_idseq.icd_seq
 596 # define        icmp_void       icmp_hun.ih_void
 597         union {
 598                 struct id_ts {
 599                         n_time its_otime;
 600                         n_time its_rtime;
 601                         n_time its_ttime;
 602                 } id_ts;
 603                 struct id_ip  {
 604                         ip_t idi_ip;
 605                         /* options and then 64 bits of data */
 606                 } id_ip;
 607                 u_long  id_mask;
 608                 char    id_data[1];
 609         } icmp_dun;
 610 # define        icmp_otime      icmp_dun.id_ts.its_otime
 611 # define        icmp_rtime      icmp_dun.id_ts.its_rtime
 612 # define        icmp_ttime      icmp_dun.id_ts.its_ttime
 613 # define        icmp_ip         icmp_dun.id_ip.idi_ip
 614 # define        icmp_mask       icmp_dun.id_mask
 615 # define        icmp_data       icmp_dun.id_data
 616 } icmphdr_t;
 617
 618 # ifndef LINUX_IPOVLY
 619 #  define LINUX_IPOVLY
 620 struct ipovly {
 621         caddr_t ih_next, ih_prev;       /* for protocol sequence q's */
 622         u_char  ih_x1;                  /* (unused) */
 623         u_char  ih_pr;                  /* protocol */
 624         short   ih_len;                 /* protocol length */
 625         struct  in_addr ih_src;         /* source internet address */
 626         struct  in_addr ih_dst;         /* destination internet address */
 627 };
 628 # endif
 629
 630 typedef struct  {
 631         __u8    ether_dhost[6];
 632         __u8    ether_shost[6];
 633         __u16   ether_type;
 634 } ether_header_t;
 635
 636 typedef struct  uio     {
 637         int     uio_resid;
 638         int     uio_rw;
 639         caddr_t uio_buf;
 640 } uio_t;
 641
 642 # define        UIO_READ        0
 643 # define        UIO_WRITE       1
 644 # define        UIOMOVE(a, b, c, d)     uiomove(a,b,c,d)
 645
 646 /*
 647  * For masking struct ifnet onto struct device
 648  */
 649 # define        if_name name
 650
 651 # ifdef KERNEL
 652 #  define       GETUNIT(x)      dev_get(x)
 653 #  define       FREE_MB_T(m)    kfree_skb(m, FREE_WRITE)
 654 #  define       uniqtime        do_gettimeofday
 655 #  undef INT_MAX
 656 #  undef UINT_MAX
 657 #  undef LONG_MAX
 658 #  undef ULONG_MAX
 659 #  include <linux/netdevice.h>
 660 #  define       SPL_X(x)
 661 #  define       SPL_NET(x)
 662 #  define       SPL_IMP(x)
 663
 664 #  define       bcmp(a,b,c)     memcmp(a,b,c)
 665 #  define       bcopy(a,b,c)    memcpy(b,a,c)
 666 #  define       bzero(a,c)      memset(a,0,c)
 667
 668 #  define       UNITNAME(n)     dev_get((n))
 669
 670 #  define       KMALLOC(a,b,c)  (a) = (b)kmalloc((c), GFP_ATOMIC)
 671 #  define       KFREE(x)        kfree_s((x), sizeof(*(x)))
 672 #  define       KFREES(x,s)     kfree_s((x), (s))
 673 #  define       IRCOPY(a,b,c)   { \
 674                                  error = verify_area(VERIFY_READ, (a) ,(c)); \
 675                                  if (!error) \
 676                                         memcpy_fromfs((b), (a), (c)); \
 677                                 }
 678 #  define       IWCOPY(a,b,c)   { \
 679                                  error = verify_area(VERIFY_WRITE, (b), (c)); \
 680                                  if (!error) \
 681                                         memcpy_tofs((b), (a), (c)); \
 682                                 }
 683 # else
 684 #  define       __KERNEL__
 685 #  undef INT_MAX
 686 #  undef UINT_MAX
 687 #  undef LONG_MAX
 688 #  undef ULONG_MAX
 689 #  define       s8 __s8
 690 #  define       u8 __u8
 691 #  define       s16 __s16
 692 #  define       u16 __u16
 693 #  define       s32 __s32
 694 #  define       u32 __u32
 695 #  include <linux/netdevice.h>
 696 #  undef        __KERNEL__
 697 # endif
 698 # define        ifnet   device
 699 #else
 700 typedef struct  tcphdr  tcphdr_t;
 701 typedef struct  udphdr  udphdr_t;
 702 typedef struct  icmp    icmphdr_t;
 703 typedef struct  ip      ip_t;
 704 typedef struct  ether_header    ether_header_t;
 705 #endif /* linux */
 706 typedef struct  tcpiphdr        tcpiphdr_t;
 707
 708 #if defined(hpux) || defined(linux)
 709 struct  ether_addr      {
 710         char    ether_addr_octet[6];
 711 };
 712 #endif
 713
 714 /*
 715  * XXX - This is one of those *awful* hacks which nobody likes
 716  */
 717 #ifdef  ultrix
 718 #define A_A
 719 #else
 720 #define A_A     &
 721 #endif
 722
 723 #ifndef ICMP_ROUTERADVERT
 724 # define        ICMP_ROUTERADVERT       9
 725 #endif
 726 #ifndef ICMP_ROUTERSOLICIT
 727 # define        ICMP_ROUTERSOLICIT      10
 728 #endif
 729
 730 #endif  /* __IP_COMPAT_H__ */
 731
 732 #endif /* #if 0 */