bsd/netinet/ip_compat.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_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.  The rights granted to you under the
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30 /*
  31  * Copyright (C) 1993-1997 by Darren Reed.
  32  *
  33  * Redistribution and use in source and binary forms are permitted
  34  * provided that this notice is preserved and due credit is given
  35  * to the original author and the contributors.
  36  *
  37  * @(#)ip_compat.h      1.8 1/14/96
  38  */
  39 #include <sys/appleapiopts.h>
  40
  41 #if 0
  42
  43 #ifndef __IP_COMPAT_H__
  44 #define __IP_COMPAT_H__
  45
  46 #ifndef __STDC__
  47 # define        const
  48 #endif
  49
  50 #ifndef SOLARIS
  51 #define SOLARIS (defined(sun) && (defined(__svr4__) || defined(__SVR4)))
  52 #endif
  53
  54 #if defined(_KERNEL) && !defined(KERNEL)
  55 # define        KERNEL
  56 #endif
  57 #if defined(KERNEL) && !defined(_KERNEL)
  58 # define        _KERNEL
  59 #endif
  60 #if!defined(__KERNEL__) && defined(KERNEL)
  61 # define        __KERNEL__
  62 #endif
  63
  64 #if defined(__SVR4) || defined(__svr4__) || defined(__sgi)
  65 #define index   strchr
  66 # if !defined(_KERNEL)
  67 #  define       bzero(a,b)      memset(a,0,b)
  68 #  define       bcmp            memcmp
  69 #  define       bcopy(a,b,c)    memmove(b,a,c)
  70 # endif
  71 #endif
  72
  73 struct  ether_addr {
  74         u_char  ether_addr_octet[6];
  75 };
  76
  77 #ifdef  linux
  78 # include <sys/sysmacros.h>
  79 #endif
  80 #if     SOLARIS
  81 # define        MTYPE(m)        ((m)->b_datap->db_type)
  82 # include       <sys/ioccom.h>
  83 # include       <sys/sysmacros.h>
  84 # include       <sys/kmem.h>
  85 /*
  86  * because Solaris 2 defines these in two places :-/
  87  */
  88 # undef IPOPT_EOL
  89 # undef IPOPT_NOP
  90 # undef IPOPT_LSRR
  91 # undef IPOPT_RR
  92 # undef IPOPT_SSRR
  93 # ifndef        _KERNEL
  94 #  define       _KERNEL
  95 #  undef        RES_INIT
  96 #  include <inet/common.h>
  97 #  include <inet/ip.h>
  98 #  include <inet/ip_ire.h>
  99 #  undef        _KERNEL
 100 # else /* _KERNEL */
 101 #  include <inet/common.h>
 102 #  include <inet/ip.h>
 103 #  include <inet/ip_ire.h>
 104 # endif /* _KERNEL */
 105 #endif /* SOLARIS */
 106 #define IPMINLEN(i, h)  ((i)->ip_len >= ((i)->ip_hl * 4 + sizeof(struct h)))
 107
 108 #ifndef IP_OFFMASK
 109 #define IP_OFFMASK      0x1fff
 110 #endif
 111
 112 #if     BSD > 199306
 113 # define        USE_QUAD_T
 114 # define        U_QUAD_T        u_quad_t
 115 # define        QUAD_T          quad_t
 116 #else /* BSD > 199306 */
 117 # define        U_QUAD_T        u_long
 118 # define        QUAD_T          long
 119 #endif /* BSD > 199306 */
 120
 121 /*
 122  * These operating systems already take care of the problem for us.
 123  */
 124 #if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__) || \
 125     defined(__sgi)
 126 typedef u_int32_t       u_32_t;
 127 #else
 128 /*
 129  * Really, any arch where sizeof(long) != sizeof(int).
 130  */
 131 # if defined(__alpha__) || defined(__alpha)
 132 typedef unsigned int    u_32_t;
 133 # else
 134 typedef unsigned long   u_32_t;
 135 # endif
 136 #endif /* __NetBSD__ || __OpenBSD__ || __FreeBSD__ || __sgi */
 137
 138 #ifndef MAX
 139 #define MAX(a,b)        (((a) > (b)) ? (a) : (b))
 140 #endif
 141
 142 /*
 143  * Security Options for Intenet Protocol (IPSO) as defined in RFC 1108.
 144  *
 145  * Basic Option
 146  *
 147  * 00000001   -   (Reserved 4)
 148  * 00111101   -   Top Secret
 149  * 01011010   -   Secret
 150  * 10010110   -   Confidential
 151  * 01100110   -   (Reserved 3)
 152  * 11001100   -   (Reserved 2)
 153  * 10101011   -   Unclassified
 154  * 11110001   -   (Reserved 1)
 155  */
 156 #define IPSO_CLASS_RES4         0x01
 157 #define IPSO_CLASS_TOPS         0x3d
 158 #define IPSO_CLASS_SECR         0x5a
 159 #define IPSO_CLASS_CONF         0x96
 160 #define IPSO_CLASS_RES3         0x66
 161 #define IPSO_CLASS_RES2         0xcc
 162 #define IPSO_CLASS_UNCL         0xab
 163 #define IPSO_CLASS_RES1         0xf1
 164
 165 #define IPSO_AUTH_GENSER        0x80
 166 #define IPSO_AUTH_ESI           0x40
 167 #define IPSO_AUTH_SCI           0x20
 168 #define IPSO_AUTH_NSA           0x10
 169 #define IPSO_AUTH_DOE           0x08
 170 #define IPSO_AUTH_UN            0x06
 171 #define IPSO_AUTH_FTE           0x01
 172
 173 /*
 174  * IP option #defines
 175  */
 176 /*#define       IPOPT_RR        7 */
 177 #define IPOPT_ZSU       10      /* ZSU */
 178 #define IPOPT_MTUP      11      /* MTUP */
 179 #define IPOPT_MTUR      12      /* MTUR */
 180 #define IPOPT_ENCODE    15      /* ENCODE */
 181 /*#define       IPOPT_TS        68 */
 182 #define IPOPT_TR        82      /* TR */
 183 /*#define       IPOPT_SECURITY  130 */
 184 /*#define       IPOPT_LSRR      131 */
 185 #define IPOPT_E_SEC     133     /* E-SEC */
 186 #define IPOPT_CIPSO     134     /* CIPSO */
 187 /*#define       IPOPT_SATID     136 */
 188 #ifndef IPOPT_SID
 189 # define        IPOPT_SID       IPOPT_SATID
 190 #endif
 191 /*#define       IPOPT_SSRR      137 */
 192 #define IPOPT_ADDEXT    147     /* ADDEXT */
 193 #define IPOPT_VISA      142     /* VISA */
 194 #define IPOPT_IMITD     144     /* IMITD */
 195 #define IPOPT_EIP       145     /* EIP */
 196 #define IPOPT_FINN      205     /* FINN */
 197
 198
 199 #if defined(__FreeBSD__) && defined(KERNEL)
 200 # if __FreeBSD__ < 3
 201 #  include <machine/spl.h>
 202 # endif
 203 #endif /* __FreeBSD__ && KERNEL */
 204
 205 /*
 206  * Build some macros and #defines to enable the same code to compile anywhere
 207  * Well, that's the idea, anyway :-)
 208  */
 209 #ifdef KERNEL
 210 # if SOLARIS
 211 #  define       MUTEX_ENTER(x)  mutex_enter(x)
 212 #  define       MUTEX_EXIT(x)   mutex_exit(x)
 213 #  define       MTOD(m,t)       (t)((m)->b_rptr)
 214 #  define       IRCOPY(a,b,c)   copyin((a), (b), (c))
 215 #  define       IWCOPY(a,b,c)   copyout((a), (b), (c))
 216 #  define       FREE_MB_T(m)    freemsg(m)
 217 #  define       SPL_NET(x)      ;
 218 #  define       SPL_IMP(x)      ;
 219 #  undef        SPL_X
 220 #  define       SPL_X(x)        ;
 221 #  ifdef sparc
 222 #   define      ntohs(x)        (x)
 223 #   define      ntohl(x)        (x)
 224 #   define      htons(x)        (x)
 225 #   define      htonl(x)        (x)
 226 #  endif /* sparc */
 227 #  define       KMALLOC(a,b,c)  (a) = (b)kmem_alloc((c), KM_NOSLEEP)
 228 #  define       GET_MINOR(x)    getminor(x)
 229 typedef struct  qif     {
 230         struct  qif     *qf_next;
 231         ill_t   *qf_ill;
 232         kmutex_t        qf_lock;
 233         void    *qf_iptr;
 234         void    *qf_optr;
 235         queue_t *qf_in;
 236         queue_t *qf_out;
 237         struct  qinit   *qf_wqinfo;
 238         struct  qinit   *qf_rqinfo;
 239         struct  qinit   qf_wqinit;
 240         struct  qinit   qf_rqinit;
 241         mblk_t  *qf_m;  /* These three fields are for passing data up from */
 242         queue_t *qf_q;  /* fr_qin and fr_qout to the packet processing. */
 243         int     qf_off;
 244         int     qf_len; /* this field is used for in ipfr_fastroute */
 245         char    qf_name[8];
 246         /*
 247          * in case the ILL has disappeared...
 248          */
 249         int     qf_hl;  /* header length */
 250 } qif_t;
 251 extern  ill_t   *get_unit(char *);
 252 #  define       GETUNIT(n)      get_unit((n))
 253 # else /* SOLARIS */
 254 #  if defined(__sgi)
 255 #   include <sys/ksynch.h>
 256 #   define      IPF_LOCK_PL     plhi
 257 #   include <sys/sema.h>
 258 #undef kmutex_t
 259 typedef struct {
 260         lock_t *l;
 261         int pl;
 262 } kmutex_t;
 263 #   define      MUTEX_ENTER(x)  (x)->pl = LOCK((x)->l, IPF_LOCK_PL);
 264 #   define      MUTEX_EXIT(x)   UNLOCK((x)->l, (x)->pl);
 265 #  else /* __sgi */
 266 #   define      MUTEX_ENTER(x)  ;
 267 #   define      MUTEX_EXIT(x)   ;
 268 #  endif /* __sgi */
 269 #  ifndef linux
 270 #   define      FREE_MB_T(m)    m_freem(m)
 271 #   define      MTOD(m,t)       mtod(m,t)
 272 #   define      IRCOPY(a,b,c)   bcopy((a), (b), (c))
 273 #   define      IWCOPY(a,b,c)   bcopy((a), (b), (c))
 274 #  endif /* !linux */
 275 # endif /* SOLARIS */
 276
 277 # ifdef sun
 278 #  if !SOLARIS
 279 #   include     <sys/kmem_alloc.h>
 280 #   define      GETUNIT(n)      ifunit((n), IFNAMSIZ)
 281 #  endif
 282 # else
 283 #  ifndef       linux
 284 #   define      GETUNIT(n)      ifunit((n))
 285 #  endif
 286 # endif /* sun */
 287
 288 # if defined(sun) && !defined(linux) || defined(__sgi)
 289 #  define       UIOMOVE(a,b,c,d)        uiomove((caddr_t)a,b,c,d)
 290 #  define       SLEEP(id, n)    sleep((id), PZERO+1)
 291 #  define       WAKEUP(id)      wakeup(id)
 292 #  define       KFREE(x)        kmem_free((char *)(x), sizeof(*(x)))
 293 #  define       KFREES(x,s)     kmem_free((char *)(x), (s))
 294 #  if !SOLARIS
 295 extern  void    m_copydata(struct mbuf *, int, int, caddr_t);
 296 extern  void    m_copyback(struct mbuf *, int, int, caddr_t);
 297 #  endif
 298 #  ifdef __sgi
 299 #   include <sys/kmem.h>
 300 #   include <sys/ddi.h>
 301 #   define      KMALLOC(a,b,c)  (a) = (b)kmem_alloc((c), KM_NOSLEEP)
 302 #   define      GET_MINOR(x)    getminor(x)
 303 #  else
 304 #   if !SOLARIS
 305 #    define     KMALLOC(a,b,c)  (a) = (b)new_kmem_alloc((c), KMEM_NOSLEEP)
 306 #   endif /* SOLARIS */
 307 #  endif /* __sgi */
 308 # endif /* sun && !linux */
 309 # ifndef        GET_MINOR
 310 #  define       GET_MINOR(x)    minor(x)
 311 # endif
 312 # if (BSD >= 199306) || defined(__FreeBSD__)
 313 #  include <vm/vm.h>
 314 #  if !defined(__FreeBSD__) || (defined (__FreeBSD__) && __FreeBSD__>=3)
 315 #   include <vm/vm_extern.h>
 316 #   include <sys/proc.h>
 317 extern  vm_map_t        kmem_map;
 318 #  else /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD__>=3) */
 319 #   include <vm/vm_kern.h>
 320 #  endif /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD__>=3) */
 321 #  ifdef        M_PFIL
 322 #   define      KMALLOC(a, b, c)        MALLOC((a), b, (c), M_PFIL, M_NOWAIT)
 323 #   define      KFREE(x)        FREE((x), M_PFIL)
 324 #   define      KFREES(x,s)     FREE((x), M_PFIL)
 325 #  else
 326 #   define      KMALLOC(a, b, c)        MALLOC((a), b, (c), M_TEMP, M_NOWAIT)
 327 #   define      KFREE(x)        FREE((x), M_TEMP)
 328 #   define      KFREES(x,s)     FREE((x), M_TEMP)
 329 #  endif /* M_PFIL */
 330 #  define       UIOMOVE(a,b,c,d)        uiomove(a,b,d)
 331 #  define       SLEEP(id, n)    tsleep((id), PPAUSE|PCATCH, n, 0)
 332 #  define       WAKEUP(id)      wakeup(id)
 333 # endif /* BSD */
 334 # if defined(NetBSD) && NetBSD <= 1991011 && NetBSD >= 199407
 335 #  define       SPL_NET(x)      x = splsoftnet()
 336 #  define       SPL_X(x)        (void) splx(x)
 337 # else
 338 #  if !SOLARIS && !defined(linux)
 339 #   define      SPL_IMP(x)      x = splimp()
 340 #   define      SPL_NET(x)      x = splnet()
 341 #   define      SPL_X(x)        (void) splx(x)
 342 #  endif
 343 # endif /* NetBSD && NetBSD <= 1991011 && NetBSD >= 199407 */
 344 # define        PANIC(x,y)      if (x) panic y
 345 #else /* KERNEL */
 346 # define        SLEEP(x,y)      ;
 347 # define        WAKEUP(x)       ;
 348 # define        PANIC(x,y)      ;
 349 # define        MUTEX_ENTER(x)  ;
 350 # define        MUTEX_EXIT(x)   ;
 351 # define        SPL_NET(x)      ;
 352 # define        SPL_IMP(x)      ;
 353 # undef         SPL_X
 354 # define        SPL_X(x)        ;
 355 /*# define      KMALLOC(a,b,c)  (a) = (b)malloc(c) */
 356 # define        KFREE(x)        FREE(x)
 357 # define        KFREES(x,s)     FREE(x)
 358 # define        GETUNIT(x)      get_unit(x)
 359 # define        IRCOPY(a,b,c)   bcopy((a), (b), (c))
 360 # define        IWCOPY(a,b,c)   bcopy((a), (b), (c))
 361 #endif /* KERNEL */
 362
 363 #if SOLARIS
 364 typedef mblk_t mb_t;
 365 #else
 366 # ifdef linux
 367 typedef struct sk_buff mb_t;
 368 # else
 369 typedef struct mbuf mb_t;
 370 # endif
 371 #endif /* SOLARIS */
 372
 373 #if defined(linux) || defined(__sgi)
 374 /*
 375  * These #ifdef's are here mainly for linux, but who knows, they may
 376  * not be in other places or maybe one day linux will grow up and some
 377  * of these will turn up there too.
 378  */
 379 #ifndef ICMP_MINLEN
 380 # define        ICMP_MINLEN     8
 381 #endif
 382 #ifndef ICMP_UNREACH
 383 # define        ICMP_UNREACH    ICMP_DEST_UNREACH
 384 #endif
 385 #ifndef ICMP_SOURCEQUENCH
 386 # define        ICMP_SOURCEQUENCH       ICMP_SOURCE_QUENCH
 387 #endif
 388 #ifndef ICMP_TIMXCEED
 389 # define        ICMP_TIMXCEED   ICMP_TIME_EXCEEDED
 390 #endif
 391 #ifndef ICMP_PARAMPROB
 392 # define        ICMP_PARAMPROB  ICMP_PARAMETERPROB
 393 #endif
 394 #ifndef ICMP_TSTAMP
 395 # define        ICMP_TSTAMP     ICMP_TIMESTAMP
 396 #endif
 397 #ifndef ICMP_TSTAMPREPLY
 398 # define        ICMP_TSTAMPREPLY        ICMP_TIMESTAMPREPLY
 399 #endif
 400 #ifndef ICMP_IREQ
 401 # define        ICMP_IREQ       ICMP_INFO_REQUEST
 402 #endif
 403 #ifndef ICMP_IREQREPLY
 404 # define        ICMP_IREQREPLY  ICMP_INFO_REPLY
 405 #endif
 406 #ifndef ICMP_MASKREQ
 407 # define        ICMP_MASKREQ    ICMP_ADDRESS
 408 #endif
 409 #ifndef ICMP_MASKREPLY
 410 # define        ICMP_MASKREPLY  ICMP_ADDRESSREPLY
 411 #endif
 412 #ifndef IPVERSION
 413 # define        IPVERSION       4
 414 #endif
 415 #ifndef IPOPT_MINOFF
 416 # define        IPOPT_MINOFF    4
 417 #endif
 418 #ifndef IPOPT_COPIED
 419 # define        IPOPT_COPIED(x) ((x)&0x80)
 420 #endif
 421 #ifndef IPOPT_EOL
 422 # define        IPOPT_EOL       0
 423 #endif
 424 #ifndef IPOPT_NOP
 425 # define        IPOPT_NOP       1
 426 #endif
 427 #ifndef IP_MF
 428 # define        IP_MF   ((u_short)0x2000)
 429 #endif
 430 #ifndef ETHERTYPE_IP
 431 # define        ETHERTYPE_IP    ((u_short)0x0800)
 432 #endif
 433 #ifndef TH_FIN
 434 # define        TH_FIN  0x01
 435 #endif
 436 #ifndef TH_SYN
 437 # define        TH_SYN  0x02
 438 #endif
 439 #ifndef TH_RST
 440 # define        TH_RST  0x04
 441 #endif
 442 #ifndef TH_PUSH
 443 # define        TH_PUSH 0x08
 444 #endif
 445 #ifndef TH_ACK
 446 # define        TH_ACK  0x10
 447 #endif
 448 #ifndef TH_URG
 449 # define        TH_URG  0x20
 450 #endif
 451 #ifndef IPOPT_EOL
 452 # define        IPOPT_EOL       0
 453 #endif
 454 #ifndef IPOPT_NOP
 455 # define        IPOPT_NOP       1
 456 #endif
 457 #ifndef IPOPT_RR
 458 # define        IPOPT_RR        7
 459 #endif
 460 #ifndef IPOPT_TS
 461 # define        IPOPT_TS        68
 462 #endif
 463 #ifndef IPOPT_SECURITY
 464 # define        IPOPT_SECURITY  130
 465 #endif
 466 #ifndef IPOPT_LSRR
 467 # define        IPOPT_LSRR      131
 468 #endif
 469 #ifndef IPOPT_SATID
 470 # define        IPOPT_SATID     136
 471 #endif
 472 #ifndef IPOPT_SSRR
 473 # define        IPOPT_SSRR      137
 474 #endif
 475 #ifndef IPOPT_SECUR_UNCLASS
 476 # define        IPOPT_SECUR_UNCLASS     ((u_short)0x0000)
 477 #endif
 478 #ifndef IPOPT_SECUR_CONFID
 479 # define        IPOPT_SECUR_CONFID      ((u_short)0xf135)
 480 #endif
 481 #ifndef IPOPT_SECUR_EFTO
 482 # define        IPOPT_SECUR_EFTO        ((u_short)0x789a)
 483 #endif
 484 #ifndef IPOPT_SECUR_MMMM
 485 # define        IPOPT_SECUR_MMMM        ((u_short)0xbc4d)
 486 #endif
 487 #ifndef IPOPT_SECUR_RESTR
 488 # define        IPOPT_SECUR_RESTR       ((u_short)0xaf13)
 489 #endif
 490 #ifndef IPOPT_SECUR_SECRET
 491 # define        IPOPT_SECUR_SECRET      ((u_short)0xd788)
 492 #endif
 493 #ifndef IPOPT_SECUR_TOPSECRET
 494 # define        IPOPT_SECUR_TOPSECRET   ((u_short)0x6bc5)
 495 #endif
 496 #ifndef IPOPT_OLEN
 497 # define        IPOPT_OLEN      1
 498 #endif
 499 #endif /* linux || __sgi */
 500
 501 #ifdef  linux
 502 /*
 503  * TCP States
 504  */
 505 #define TCPS_CLOSED             0       /* closed */
 506 #define TCPS_LISTEN             1       /* listening for connection */
 507 #define TCPS_SYN_SENT           2       /* active, have sent syn */
 508 #define TCPS_SYN_RECEIVED       3       /* have send and received syn */
 509 /* states < TCPS_ESTABLISHED are those where connections not established */
 510 #define TCPS_ESTABLISHED        4       /* established */
 511 #define TCPS_CLOSE_WAIT         5       /* rcvd fin, waiting for close */
 512 /* states > TCPS_CLOSE_WAIT are those where user has closed */
 513 #define TCPS_FIN_WAIT_1         6       /* have closed, sent fin */
 514 #define TCPS_CLOSING            7       /* closed xchd FIN; await FIN ACK */
 515 #define TCPS_LAST_ACK           8       /* had fin and close; await FIN ACK */
 516 /* states > TCPS_CLOSE_WAIT && < TCPS_FIN_WAIT_2 await ACK of FIN */
 517 #define TCPS_FIN_WAIT_2         9       /* have closed, fin is acked */
 518 #define TCPS_TIME_WAIT          10      /* in 2*msl quiet wait after close */
 519
 520 /*
 521  * file flags.
 522  */
 523 #define FWRITE  WRITE
 524 #define FREAD   READ
 525 /*
 526  * mbuf related problems.
 527  */
 528 #define mtod(m,t)       (t)((m)->data)
 529 #define m_len           len
 530 #define m_next          next
 531
 532 #define IP_DF           0x8000
 533
 534 typedef struct  {
 535         __u16   th_sport;
 536         __u16   th_dport;
 537         __u32   th_seq;
 538         __u32   th_ack;
 539 # if defined(__i386__) || defined(__MIPSEL__) || defined(__alpha__) ||\
 540     defined(vax)
 541         __u8    th_res:4;
 542         __u8    th_off:4;
 543 #else
 544         __u8    th_off:4;
 545         __u8    th_res:4;
 546 #endif
 547         __u8    th_flags;
 548         __u16   th_win;
 549         __u16   th_sum;
 550         __u16   th_urp;
 551 } tcphdr_t;
 552
 553 typedef struct  {
 554         __u16   uh_sport;
 555         __u16   uh_dport;
 556         __u16   uh_ulen;
 557         __u16   uh_sum;
 558 } udphdr_t;
 559
 560 typedef struct  {
 561 # if defined(__i386__) || defined(__MIPSEL__) || defined(__alpha__) ||\
 562     defined(vax)
 563         __u8    ip_hl:4;
 564         __u8    ip_v:4;
 565 # else
 566         __u8    ip_hl:4;
 567         __u8    ip_v:4;
 568 # endif
 569         __u8    ip_tos;
 570         __u16   ip_len;
 571         __u16   ip_id;
 572         __u16   ip_off;
 573         __u8    ip_ttl;
 574         __u8    ip_p;
 575         __u16   ip_sum;
 576         struct  in_addr ip_src;
 577         struct  in_addr ip_dst;
 578 } ip_t;
 579
 580 /*
 581  * Structure of an icmp header.
 582  */
 583 typedef struct icmp {
 584         u_char  icmp_type;              /* type of message, see below */
 585         u_char  icmp_code;              /* type sub code */
 586         u_short icmp_cksum;             /* ones complement cksum of struct */
 587         union {
 588                 u_char ih_pptr;                 /* ICMP_PARAMPROB */
 589                 struct in_addr ih_gwaddr;       /* ICMP_REDIRECT */
 590                 struct ih_idseq {
 591                         n_short icd_id;
 592                         n_short icd_seq;
 593                 } ih_idseq;
 594                 int ih_void;
 595         } icmp_hun;
 596 # define        icmp_pptr       icmp_hun.ih_pptr
 597 # define        icmp_gwaddr     icmp_hun.ih_gwaddr
 598 # define        icmp_id         icmp_hun.ih_idseq.icd_id
 599 # define        icmp_seq        icmp_hun.ih_idseq.icd_seq
 600 # define        icmp_void       icmp_hun.ih_void
 601         union {
 602                 struct id_ts {
 603                         n_time its_otime;
 604                         n_time its_rtime;
 605                         n_time its_ttime;
 606                 } id_ts;
 607                 struct id_ip  {
 608                         ip_t idi_ip;
 609                         /* options and then 64 bits of data */
 610                 } id_ip;
 611                 u_long  id_mask;
 612                 char    id_data[1];
 613         } icmp_dun;
 614 # define        icmp_otime      icmp_dun.id_ts.its_otime
 615 # define        icmp_rtime      icmp_dun.id_ts.its_rtime
 616 # define        icmp_ttime      icmp_dun.id_ts.its_ttime
 617 # define        icmp_ip         icmp_dun.id_ip.idi_ip
 618 # define        icmp_mask       icmp_dun.id_mask
 619 # define        icmp_data       icmp_dun.id_data
 620 } icmphdr_t;
 621
 622 # ifndef LINUX_IPOVLY
 623 #  define LINUX_IPOVLY
 624 struct ipovly {
 625         caddr_t ih_next, ih_prev;       /* for protocol sequence q's */
 626         u_char  ih_x1;                  /* (unused) */
 627         u_char  ih_pr;                  /* protocol */
 628         short   ih_len;                 /* protocol length */
 629         struct  in_addr ih_src;         /* source internet address */
 630         struct  in_addr ih_dst;         /* destination internet address */
 631 };
 632 # endif
 633
 634 typedef struct  {
 635         __u8    ether_dhost[6];
 636         __u8    ether_shost[6];
 637         __u16   ether_type;
 638 } ether_header_t;
 639
 640 typedef struct  uio     {
 641         int     uio_resid;
 642         int     uio_rw;
 643         caddr_t uio_buf;
 644 } uio_t;
 645
 646 # define        UIO_READ        0
 647 # define        UIO_WRITE       1
 648 # define        UIOMOVE(a, b, c, d)     uiomove(a,b,c,d)
 649
 650 /*
 651  * For masking struct ifnet onto struct device
 652  */
 653 # define        if_name name
 654
 655 # ifdef KERNEL
 656 #  define       GETUNIT(x)      dev_get(x)
 657 #  define       FREE_MB_T(m)    kfree_skb(m, FREE_WRITE)
 658 #  define       uniqtime        do_gettimeofday
 659 #  undef INT_MAX
 660 #  undef UINT_MAX
 661 #  undef LONG_MAX
 662 #  undef ULONG_MAX
 663 #  include <linux/netdevice.h>
 664 #  define       SPL_X(x)
 665 #  define       SPL_NET(x)
 666 #  define       SPL_IMP(x)
 667
 668 #  define       bcmp(a,b,c)     memcmp(a,b,c)
 669 #  define       bcopy(a,b,c)    memcpy(b,a,c)
 670 #  define       bzero(a,c)      memset(a,0,c)
 671
 672 #  define       UNITNAME(n)     dev_get((n))
 673
 674 #  define       KMALLOC(a,b,c)  (a) = (b)kmalloc((c), GFP_ATOMIC)
 675 #  define       KFREE(x)        kfree_s((x), sizeof(*(x)))
 676 #  define       KFREES(x,s)     kfree_s((x), (s))
 677 #  define       IRCOPY(a,b,c)   { \
 678                                  error = verify_area(VERIFY_READ, (a) ,(c)); \
 679                                  if (!error) \
 680                                         memcpy_fromfs((b), (a), (c)); \
 681                                 }
 682 #  define       IWCOPY(a,b,c)   { \
 683                                  error = verify_area(VERIFY_WRITE, (b), (c)); \
 684                                  if (!error) \
 685                                         memcpy_tofs((b), (a), (c)); \
 686                                 }
 687 # else
 688 #  define       __KERNEL__
 689 #  undef INT_MAX
 690 #  undef UINT_MAX
 691 #  undef LONG_MAX
 692 #  undef ULONG_MAX
 693 #  define       s8 __s8
 694 #  define       u8 __u8
 695 #  define       s16 __s16
 696 #  define       u16 __u16
 697 #  define       s32 __s32
 698 #  define       u32 __u32
 699 #  include <linux/netdevice.h>
 700 #  undef        __KERNEL__
 701 # endif
 702 # define        ifnet   device
 703 #else
 704 typedef struct  tcphdr  tcphdr_t;
 705 typedef struct  udphdr  udphdr_t;
 706 typedef struct  icmp    icmphdr_t;
 707 typedef struct  ip      ip_t;
 708 typedef struct  ether_header    ether_header_t;
 709 #endif /* linux */
 710 typedef struct  tcpiphdr        tcpiphdr_t;
 711
 712 #if defined(hpux) || defined(linux)
 713 struct  ether_addr      {
 714         char    ether_addr_octet[6];
 715 };
 716 #endif
 717
 718 /*
 719  * XXX - This is one of those *awful* hacks which nobody likes
 720  */
 721 #ifdef  ultrix
 722 #define A_A
 723 #else
 724 #define A_A     &
 725 #endif
 726
 727 #ifndef ICMP_ROUTERADVERT
 728 # define        ICMP_ROUTERADVERT       9
 729 #endif
 730 #ifndef ICMP_ROUTERSOLICIT
 731 # define        ICMP_ROUTERSOLICIT      10
 732 #endif
 733
 734 #endif  /* __IP_COMPAT_H__ */
 735
 736 #endif /* #if 0 */