bsd/netinet/ip_compat.h

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