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
  74 #if defined(__sgi) && !defined(IPFILTER_LKM)
  75 # ifdef __STDC__
  76 #  define IPL_EXTERN(ep) ipfilter##ep
  77 # else
  78 #  define IPL_EXTERN(ep) ipfilter/**/ep
  79 # endif
  80 #else
  81 # ifdef __STDC__
  82 #  define IPL_EXTERN(ep) ipl##ep
  83 # else
  84 #  define IPL_EXTERN(ep) ipl/**/ep
  85 # endif
  86 #endif
  87
  88 #ifdef  linux
  89 # include <sys/sysmacros.h>
  90 #endif
  91 #if     SOLARIS
  92 # define        MTYPE(m)        ((m)->b_datap->db_type)
  93 # include       <sys/ioccom.h>
  94 # include       <sys/sysmacros.h>
  95 # include       <sys/kmem.h>
  96 /*
  97  * because Solaris 2 defines these in two places :-/
  98  */
  99 # undef IPOPT_EOL
 100 # undef IPOPT_NOP
 101 # undef IPOPT_LSRR
 102 # undef IPOPT_RR
 103 # undef IPOPT_SSRR
 104 # ifndef        _KERNEL
 105 #  define       _KERNEL
 106 #  undef        RES_INIT
 107 #  include <inet/common.h>
 108 #  include <inet/ip.h>
 109 #  include <inet/ip_ire.h>
 110 #  undef        _KERNEL
 111 # else /* _KERNEL */
 112 #  include <inet/common.h>
 113 #  include <inet/ip.h>
 114 #  include <inet/ip_ire.h>
 115 # endif /* _KERNEL */
 116 #endif /* SOLARIS */
 117 #define IPMINLEN(i, h)  ((i)->ip_len >= ((i)->ip_hl * 4 + sizeof(struct h)))
 118
 119 #ifndef IP_OFFMASK
 120 #define IP_OFFMASK      0x1fff
 121 #endif
 122
 123 #if     BSD > 199306
 124 # define        USE_QUAD_T
 125 # define        U_QUAD_T        u_quad_t
 126 # define        QUAD_T          quad_t
 127 #else /* BSD > 199306 */
 128 # define        U_QUAD_T        u_long
 129 # define        QUAD_T          long
 130 #endif /* BSD > 199306 */
 131
 132 /*
 133  * These operating systems already take care of the problem for us.
 134  */
 135 #if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__) || \
 136     defined(__sgi)
 137 typedef u_int32_t       u_32_t;
 138 #else
 139 /*
 140  * Really, any arch where sizeof(long) != sizeof(int).
 141  */
 142 # if defined(__alpha__) || defined(__alpha)
 143 typedef unsigned int    u_32_t;
 144 # else
 145 typedef unsigned long   u_32_t;
 146 # endif
 147 #endif /* __NetBSD__ || __OpenBSD__ || __FreeBSD__ || __sgi */
 148
 149 #ifndef MAX
 150 #define MAX(a,b)        (((a) > (b)) ? (a) : (b))
 151 #endif
 152
 153 /*
 154  * Security Options for Intenet Protocol (IPSO) as defined in RFC 1108.
 155  *
 156  * Basic Option
 157  *
 158  * 00000001   -   (Reserved 4)
 159  * 00111101   -   Top Secret
 160  * 01011010   -   Secret
 161  * 10010110   -   Confidential
 162  * 01100110   -   (Reserved 3)
 163  * 11001100   -   (Reserved 2)
 164  * 10101011   -   Unclassified
 165  * 11110001   -   (Reserved 1)
 166  */
 167 #define IPSO_CLASS_RES4         0x01
 168 #define IPSO_CLASS_TOPS         0x3d
 169 #define IPSO_CLASS_SECR         0x5a
 170 #define IPSO_CLASS_CONF         0x96
 171 #define IPSO_CLASS_RES3         0x66
 172 #define IPSO_CLASS_RES2         0xcc
 173 #define IPSO_CLASS_UNCL         0xab
 174 #define IPSO_CLASS_RES1         0xf1
 175
 176 #define IPSO_AUTH_GENSER        0x80
 177 #define IPSO_AUTH_ESI           0x40
 178 #define IPSO_AUTH_SCI           0x20
 179 #define IPSO_AUTH_NSA           0x10
 180 #define IPSO_AUTH_DOE           0x08
 181 #define IPSO_AUTH_UN            0x06
 182 #define IPSO_AUTH_FTE           0x01
 183
 184 /*
 185  * IP option #defines
 186  */
 187 /*#define       IPOPT_RR        7 */
 188 #define IPOPT_ZSU       10      /* ZSU */
 189 #define IPOPT_MTUP      11      /* MTUP */
 190 #define IPOPT_MTUR      12      /* MTUR */
 191 #define IPOPT_ENCODE    15      /* ENCODE */
 192 /*#define       IPOPT_TS        68 */
 193 #define IPOPT_TR        82      /* TR */
 194 /*#define       IPOPT_SECURITY  130 */
 195 /*#define       IPOPT_LSRR      131 */
 196 #define IPOPT_E_SEC     133     /* E-SEC */
 197 #define IPOPT_CIPSO     134     /* CIPSO */
 198 /*#define       IPOPT_SATID     136 */
 199 #ifndef IPOPT_SID
 200 # define        IPOPT_SID       IPOPT_SATID
 201 #endif
 202 /*#define       IPOPT_SSRR      137 */
 203 #define IPOPT_ADDEXT    147     /* ADDEXT */
 204 #define IPOPT_VISA      142     /* VISA */
 205 #define IPOPT_IMITD     144     /* IMITD */
 206 #define IPOPT_EIP       145     /* EIP */
 207 #define IPOPT_FINN      205     /* FINN */
 208
 209
 210 #if defined(__FreeBSD__) && defined(KERNEL)
 211 # if __FreeBSD__ < 3
 212 #  include <machine/spl.h>
 213 # endif
 214 # if defined(IPFILTER_LKM) && !defined(ACTUALLY_LKM_NOT_KERNEL)
 215 #  define       ACTUALLY_LKM_NOT_KERNEL
 216 # endif
 217 #endif /* __FreeBSD__ && KERNEL */
 218
 219 /*
 220  * Build some macros and #defines to enable the same code to compile anywhere
 221  * Well, that's the idea, anyway :-)
 222  */
 223 #if KERNEL
 224 # if SOLARIS
 225 #  define       MUTEX_ENTER(x)  mutex_enter(x)
 226 #  define       MUTEX_EXIT(x)   mutex_exit(x)
 227 #  define       MTOD(m,t)       (t)((m)->b_rptr)
 228 #  define       IRCOPY(a,b,c)   copyin((a), (b), (c))
 229 #  define       IWCOPY(a,b,c)   copyout((a), (b), (c))
 230 #  define       FREE_MB_T(m)    freemsg(m)
 231 #  define       SPL_NET(x)      ;
 232 #  define       SPL_IMP(x)      ;
 233 #  undef        SPL_X
 234 #  define       SPL_X(x)        ;
 235 #  ifdef sparc
 236 #   define      ntohs(x)        (x)
 237 #   define      ntohl(x)        (x)
 238 #   define      htons(x)        (x)
 239 #   define      htonl(x)        (x)
 240 #  endif /* sparc */
 241 #  define       KMALLOC(a,b,c)  (a) = (b)kmem_alloc((c), KM_NOSLEEP)
 242 #  define       GET_MINOR(x)    getminor(x)
 243 typedef struct  qif     {
 244         struct  qif     *qf_next;
 245         ill_t   *qf_ill;
 246         kmutex_t        qf_lock;
 247         void    *qf_iptr;
 248         void    *qf_optr;
 249         queue_t *qf_in;
 250         queue_t *qf_out;
 251         struct  qinit   *qf_wqinfo;
 252         struct  qinit   *qf_rqinfo;
 253         struct  qinit   qf_wqinit;
 254         struct  qinit   qf_rqinit;
 255         mblk_t  *qf_m;  /* These three fields are for passing data up from */
 256         queue_t *qf_q;  /* fr_qin and fr_qout to the packet processing. */
 257         int     qf_off;
 258         int     qf_len; /* this field is used for in ipfr_fastroute */
 259         char    qf_name[8];
 260         /*
 261          * in case the ILL has disappeared...
 262          */
 263         int     qf_hl;  /* header length */
 264 } qif_t;
 265 extern  ill_t   *get_unit __P((char *));
 266 #  define       GETUNIT(n)      get_unit((n))
 267 # else /* SOLARIS */
 268 #  if defined(__sgi)
 269 #   include <sys/ksynch.h>
 270 #   define      IPF_LOCK_PL     plhi
 271 #   include <sys/sema.h>
 272 #undef kmutex_t
 273 typedef struct {
 274         lock_t *l;
 275         int pl;
 276 } kmutex_t;
 277 #   define      MUTEX_ENTER(x)  (x)->pl = LOCK((x)->l, IPF_LOCK_PL);
 278 #   define      MUTEX_EXIT(x)   UNLOCK((x)->l, (x)->pl);
 279 #  else /* __sgi */
 280 #   define      MUTEX_ENTER(x)  ;
 281 #   define      MUTEX_EXIT(x)   ;
 282 #  endif /* __sgi */
 283 #  ifndef linux
 284 #   define      FREE_MB_T(m)    m_freem(m)
 285 #   define      MTOD(m,t)       mtod(m,t)
 286 #   define      IRCOPY(a,b,c)   bcopy((a), (b), (c))
 287 #   define      IWCOPY(a,b,c)   bcopy((a), (b), (c))
 288 #  endif /* !linux */
 289 # endif /* SOLARIS */
 290
 291 # ifdef sun
 292 #  if !SOLARIS
 293 #   include     <sys/kmem_alloc.h>
 294 #   define      GETUNIT(n)      ifunit((n), IFNAMSIZ)
 295 #  endif
 296 # else
 297 #  ifndef       linux
 298 #   define      GETUNIT(n)      ifunit((n))
 299 #  endif
 300 # endif /* sun */
 301
 302 # if defined(sun) && !defined(linux) || defined(__sgi)
 303 #  define       UIOMOVE(a,b,c,d)        uiomove((caddr_t)a,b,c,d)
 304 #  define       SLEEP(id, n)    sleep((id), PZERO+1)
 305 #  define       WAKEUP(id)      wakeup(id)
 306 #  define       KFREE(x)        kmem_free((char *)(x), sizeof(*(x)))
 307 #  define       KFREES(x,s)     kmem_free((char *)(x), (s))
 308 #  if !SOLARIS
 309 extern  void    m_copydata __P((struct mbuf *, int, int, caddr_t));
 310 extern  void    m_copyback __P((struct mbuf *, int, int, caddr_t));
 311 #  endif
 312 #  ifdef __sgi
 313 #   include <sys/kmem.h>
 314 #   include <sys/ddi.h>
 315 #   define      KMALLOC(a,b,c)  (a) = (b)kmem_alloc((c), KM_NOSLEEP)
 316 #   define      GET_MINOR(x)    getminor(x)
 317 #  else
 318 #   if !SOLARIS
 319 #    define     KMALLOC(a,b,c)  (a) = (b)new_kmem_alloc((c), KMEM_NOSLEEP)
 320 #   endif /* SOLARIS */
 321 #  endif /* __sgi */
 322 # endif /* sun && !linux */
 323 # ifndef        GET_MINOR
 324 #  define       GET_MINOR(x)    minor(x)
 325 # endif
 326 # if (BSD >= 199306) || defined(__FreeBSD__)
 327 #  include <vm/vm.h>
 328 #  if !defined(__FreeBSD__) || (defined (__FreeBSD__) && __FreeBSD__>=3)
 329 #   include <vm/vm_extern.h>
 330 #   include <sys/proc.h>
 331 extern  vm_map_t        kmem_map;
 332 #  else /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD__>=3) */
 333 #   include <vm/vm_kern.h>
 334 #  endif /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD__>=3) */
 335 #  ifdef        M_PFIL
 336 #   define      KMALLOC(a, b, c)        MALLOC((a), b, (c), M_PFIL, M_NOWAIT)
 337 #   define      KFREE(x)        FREE((x), M_PFIL)
 338 #   define      KFREES(x,s)     FREE((x), M_PFIL)
 339 #  else
 340 #   define      KMALLOC(a, b, c)        MALLOC((a), b, (c), M_TEMP, M_NOWAIT)
 341 #   define      KFREE(x)        FREE((x), M_TEMP)
 342 #   define      KFREES(x,s)     FREE((x), M_TEMP)
 343 #  endif /* M_PFIL */
 344 #  define       UIOMOVE(a,b,c,d)        uiomove(a,b,d)
 345 #  define       SLEEP(id, n)    tsleep((id), PPAUSE|PCATCH, n, 0)
 346 #  define       WAKEUP(id)      wakeup(id)
 347 # endif /* BSD */
 348 # if defined(NetBSD) && NetBSD <= 1991011 && NetBSD >= 199407
 349 #  define       SPL_NET(x)      x = splsoftnet()
 350 #  define       SPL_X(x)        (void) splx(x)
 351 # else
 352 #  if !SOLARIS && !defined(linux)
 353 #   define      SPL_IMP(x)      x = splimp()
 354 #   define      SPL_NET(x)      x = splnet()
 355 #   define      SPL_X(x)        (void) splx(x)
 356 #  endif
 357 # endif /* NetBSD && NetBSD <= 1991011 && NetBSD >= 199407 */
 358 # define        PANIC(x,y)      if (x) panic y
 359 #else /* KERNEL */
 360 # define        SLEEP(x,y)      ;
 361 # define        WAKEUP(x)       ;
 362 # define        PANIC(x,y)      ;
 363 # define        MUTEX_ENTER(x)  ;
 364 # define        MUTEX_EXIT(x)   ;
 365 # define        SPL_NET(x)      ;
 366 # define        SPL_IMP(x)      ;
 367 # undef         SPL_X
 368 # define        SPL_X(x)        ;
 369 /*# define      KMALLOC(a,b,c)  (a) = (b)malloc(c) */
 370 # define        KFREE(x)        FREE(x)
 371 # define        KFREES(x,s)     FREE(x)
 372 # define        GETUNIT(x)      get_unit(x)
 373 # define        IRCOPY(a,b,c)   bcopy((a), (b), (c))
 374 # define        IWCOPY(a,b,c)   bcopy((a), (b), (c))
 375 #endif /* KERNEL */
 376
 377 #if SOLARIS
 378 typedef mblk_t mb_t;
 379 #else
 380 # ifdef linux
 381 typedef struct sk_buff mb_t;
 382 # else
 383 typedef struct mbuf mb_t;
 384 # endif
 385 #endif /* SOLARIS */
 386
 387 #if defined(linux) || defined(__sgi)
 388 /*
 389  * These #ifdef's are here mainly for linux, but who knows, they may
 390  * not be in other places or maybe one day linux will grow up and some
 391  * of these will turn up there too.
 392  */
 393 #ifndef ICMP_MINLEN
 394 # define        ICMP_MINLEN     8
 395 #endif
 396 #ifndef ICMP_UNREACH
 397 # define        ICMP_UNREACH    ICMP_DEST_UNREACH
 398 #endif
 399 #ifndef ICMP_SOURCEQUENCH
 400 # define        ICMP_SOURCEQUENCH       ICMP_SOURCE_QUENCH
 401 #endif
 402 #ifndef ICMP_TIMXCEED
 403 # define        ICMP_TIMXCEED   ICMP_TIME_EXCEEDED
 404 #endif
 405 #ifndef ICMP_PARAMPROB
 406 # define        ICMP_PARAMPROB  ICMP_PARAMETERPROB
 407 #endif
 408 #ifndef ICMP_TSTAMP
 409 # define        ICMP_TSTAMP     ICMP_TIMESTAMP
 410 #endif
 411 #ifndef ICMP_TSTAMPREPLY
 412 # define        ICMP_TSTAMPREPLY        ICMP_TIMESTAMPREPLY
 413 #endif
 414 #ifndef ICMP_IREQ
 415 # define        ICMP_IREQ       ICMP_INFO_REQUEST
 416 #endif
 417 #ifndef ICMP_IREQREPLY
 418 # define        ICMP_IREQREPLY  ICMP_INFO_REPLY
 419 #endif
 420 #ifndef ICMP_MASKREQ
 421 # define        ICMP_MASKREQ    ICMP_ADDRESS
 422 #endif
 423 #ifndef ICMP_MASKREPLY
 424 # define        ICMP_MASKREPLY  ICMP_ADDRESSREPLY
 425 #endif
 426 #ifndef IPVERSION
 427 # define        IPVERSION       4
 428 #endif
 429 #ifndef IPOPT_MINOFF
 430 # define        IPOPT_MINOFF    4
 431 #endif
 432 #ifndef IPOPT_COPIED
 433 # define        IPOPT_COPIED(x) ((x)&0x80)
 434 #endif
 435 #ifndef IPOPT_EOL
 436 # define        IPOPT_EOL       0
 437 #endif
 438 #ifndef IPOPT_NOP
 439 # define        IPOPT_NOP       1
 440 #endif
 441 #ifndef IP_MF
 442 # define        IP_MF   ((u_short)0x2000)
 443 #endif
 444 #ifndef ETHERTYPE_IP
 445 # define        ETHERTYPE_IP    ((u_short)0x0800)
 446 #endif
 447 #ifndef TH_FIN
 448 # define        TH_FIN  0x01
 449 #endif
 450 #ifndef TH_SYN
 451 # define        TH_SYN  0x02
 452 #endif
 453 #ifndef TH_RST
 454 # define        TH_RST  0x04
 455 #endif
 456 #ifndef TH_PUSH
 457 # define        TH_PUSH 0x08
 458 #endif
 459 #ifndef TH_ACK
 460 # define        TH_ACK  0x10
 461 #endif
 462 #ifndef TH_URG
 463 # define        TH_URG  0x20
 464 #endif
 465 #ifndef IPOPT_EOL
 466 # define        IPOPT_EOL       0
 467 #endif
 468 #ifndef IPOPT_NOP
 469 # define        IPOPT_NOP       1
 470 #endif
 471 #ifndef IPOPT_RR
 472 # define        IPOPT_RR        7
 473 #endif
 474 #ifndef IPOPT_TS
 475 # define        IPOPT_TS        68
 476 #endif
 477 #ifndef IPOPT_SECURITY
 478 # define        IPOPT_SECURITY  130
 479 #endif
 480 #ifndef IPOPT_LSRR
 481 # define        IPOPT_LSRR      131
 482 #endif
 483 #ifndef IPOPT_SATID
 484 # define        IPOPT_SATID     136
 485 #endif
 486 #ifndef IPOPT_SSRR
 487 # define        IPOPT_SSRR      137
 488 #endif
 489 #ifndef IPOPT_SECUR_UNCLASS
 490 # define        IPOPT_SECUR_UNCLASS     ((u_short)0x0000)
 491 #endif
 492 #ifndef IPOPT_SECUR_CONFID
 493 # define        IPOPT_SECUR_CONFID      ((u_short)0xf135)
 494 #endif
 495 #ifndef IPOPT_SECUR_EFTO
 496 # define        IPOPT_SECUR_EFTO        ((u_short)0x789a)
 497 #endif
 498 #ifndef IPOPT_SECUR_MMMM
 499 # define        IPOPT_SECUR_MMMM        ((u_short)0xbc4d)
 500 #endif
 501 #ifndef IPOPT_SECUR_RESTR
 502 # define        IPOPT_SECUR_RESTR       ((u_short)0xaf13)
 503 #endif
 504 #ifndef IPOPT_SECUR_SECRET
 505 # define        IPOPT_SECUR_SECRET      ((u_short)0xd788)
 506 #endif
 507 #ifndef IPOPT_SECUR_TOPSECRET
 508 # define        IPOPT_SECUR_TOPSECRET   ((u_short)0x6bc5)
 509 #endif
 510 #ifndef IPOPT_OLEN
 511 # define        IPOPT_OLEN      1
 512 #endif
 513 #endif /* linux || __sgi */
 514
 515 #ifdef  linux
 516 /*
 517  * TCP States
 518  */
 519 #define TCPS_CLOSED             0       /* closed */
 520 #define TCPS_LISTEN             1       /* listening for connection */
 521 #define TCPS_SYN_SENT           2       /* active, have sent syn */
 522 #define TCPS_SYN_RECEIVED       3       /* have send and received syn */
 523 /* states < TCPS_ESTABLISHED are those where connections not established */
 524 #define TCPS_ESTABLISHED        4       /* established */
 525 #define TCPS_CLOSE_WAIT         5       /* rcvd fin, waiting for close */
 526 /* states > TCPS_CLOSE_WAIT are those where user has closed */
 527 #define TCPS_FIN_WAIT_1         6       /* have closed, sent fin */
 528 #define TCPS_CLOSING            7       /* closed xchd FIN; await FIN ACK */
 529 #define TCPS_LAST_ACK           8       /* had fin and close; await FIN ACK */
 530 /* states > TCPS_CLOSE_WAIT && < TCPS_FIN_WAIT_2 await ACK of FIN */
 531 #define TCPS_FIN_WAIT_2         9       /* have closed, fin is acked */
 532 #define TCPS_TIME_WAIT          10      /* in 2*msl quiet wait after close */
 533
 534 /*
 535  * file flags.
 536  */
 537 #define FWRITE  WRITE
 538 #define FREAD   READ
 539 /*
 540  * mbuf related problems.
 541  */
 542 #define mtod(m,t)       (t)((m)->data)
 543 #define m_len           len
 544 #define m_next          next
 545
 546 #define IP_DF           0x8000
 547
 548 typedef struct  {
 549         __u16   th_sport;
 550         __u16   th_dport;
 551         __u32   th_seq;
 552         __u32   th_ack;
 553 # if defined(__i386__) || defined(__MIPSEL__) || defined(__alpha__) ||\
 554     defined(vax)
 555         __u8    th_res:4;
 556         __u8    th_off:4;
 557 #else
 558         __u8    th_off:4;
 559         __u8    th_res:4;
 560 #endif
 561         __u8    th_flags;
 562         __u16   th_win;
 563         __u16   th_sum;
 564         __u16   th_urp;
 565 } tcphdr_t;
 566
 567 typedef struct  {
 568         __u16   uh_sport;
 569         __u16   uh_dport;
 570         __u16   uh_ulen;
 571         __u16   uh_sum;
 572 } udphdr_t;
 573
 574 typedef struct  {
 575 # if defined(__i386__) || defined(__MIPSEL__) || defined(__alpha__) ||\
 576     defined(vax)
 577         __u8    ip_hl:4;
 578         __u8    ip_v:4;
 579 # else
 580         __u8    ip_hl:4;
 581         __u8    ip_v:4;
 582 # endif
 583         __u8    ip_tos;
 584         __u16   ip_len;
 585         __u16   ip_id;
 586         __u16   ip_off;
 587         __u8    ip_ttl;
 588         __u8    ip_p;
 589         __u16   ip_sum;
 590         struct  in_addr ip_src;
 591         struct  in_addr ip_dst;
 592 } ip_t;
 593
 594 /*
 595  * Structure of an icmp header.
 596  */
 597 typedef struct icmp {
 598         u_char  icmp_type;              /* type of message, see below */
 599         u_char  icmp_code;              /* type sub code */
 600         u_short icmp_cksum;             /* ones complement cksum of struct */
 601         union {
 602                 u_char ih_pptr;                 /* ICMP_PARAMPROB */
 603                 struct in_addr ih_gwaddr;       /* ICMP_REDIRECT */
 604                 struct ih_idseq {
 605                         n_short icd_id;
 606                         n_short icd_seq;
 607                 } ih_idseq;
 608                 int ih_void;
 609         } icmp_hun;
 610 # define        icmp_pptr       icmp_hun.ih_pptr
 611 # define        icmp_gwaddr     icmp_hun.ih_gwaddr
 612 # define        icmp_id         icmp_hun.ih_idseq.icd_id
 613 # define        icmp_seq        icmp_hun.ih_idseq.icd_seq
 614 # define        icmp_void       icmp_hun.ih_void
 615         union {
 616                 struct id_ts {
 617                         n_time its_otime;
 618                         n_time its_rtime;
 619                         n_time its_ttime;
 620                 } id_ts;
 621                 struct id_ip  {
 622                         ip_t idi_ip;
 623                         /* options and then 64 bits of data */
 624                 } id_ip;
 625                 u_long  id_mask;
 626                 char    id_data[1];
 627         } icmp_dun;
 628 # define        icmp_otime      icmp_dun.id_ts.its_otime
 629 # define        icmp_rtime      icmp_dun.id_ts.its_rtime
 630 # define        icmp_ttime      icmp_dun.id_ts.its_ttime
 631 # define        icmp_ip         icmp_dun.id_ip.idi_ip
 632 # define        icmp_mask       icmp_dun.id_mask
 633 # define        icmp_data       icmp_dun.id_data
 634 } icmphdr_t;
 635
 636 # ifndef LINUX_IPOVLY
 637 #  define LINUX_IPOVLY
 638 struct ipovly {
 639         caddr_t ih_next, ih_prev;       /* for protocol sequence q's */
 640         u_char  ih_x1;                  /* (unused) */
 641         u_char  ih_pr;                  /* protocol */
 642         short   ih_len;                 /* protocol length */
 643         struct  in_addr ih_src;         /* source internet address */
 644         struct  in_addr ih_dst;         /* destination internet address */
 645 };
 646 # endif
 647
 648 typedef struct  {
 649         __u8    ether_dhost[6];
 650         __u8    ether_shost[6];
 651         __u16   ether_type;
 652 } ether_header_t;
 653
 654 typedef struct  uio     {
 655         int     uio_resid;
 656         int     uio_rw;
 657         caddr_t uio_buf;
 658 } uio_t;
 659
 660 # define        UIO_READ        0
 661 # define        UIO_WRITE       1
 662 # define        UIOMOVE(a, b, c, d)     uiomove(a,b,c,d)
 663
 664 /*
 665  * For masking struct ifnet onto struct device
 666  */
 667 # define        if_name name
 668
 669 # ifdef KERNEL
 670 #  define       GETUNIT(x)      dev_get(x)
 671 #  define       FREE_MB_T(m)    kfree_skb(m, FREE_WRITE)
 672 #  define       uniqtime        do_gettimeofday
 673 #  undef INT_MAX
 674 #  undef UINT_MAX
 675 #  undef LONG_MAX
 676 #  undef ULONG_MAX
 677 #  include <linux/netdevice.h>
 678 #  define       SPL_X(x)
 679 #  define       SPL_NET(x)
 680 #  define       SPL_IMP(x)
 681
 682 #  define       bcmp(a,b,c)     memcmp(a,b,c)
 683 #  define       bcopy(a,b,c)    memcpy(b,a,c)
 684 #  define       bzero(a,c)      memset(a,0,c)
 685
 686 #  define       UNITNAME(n)     dev_get((n))
 687
 688 #  define       KMALLOC(a,b,c)  (a) = (b)kmalloc((c), GFP_ATOMIC)
 689 #  define       KFREE(x)        kfree_s((x), sizeof(*(x)))
 690 #  define       KFREES(x,s)     kfree_s((x), (s))
 691 #  define       IRCOPY(a,b,c)   { \
 692                                  error = verify_area(VERIFY_READ, (a) ,(c)); \
 693                                  if (!error) \
 694                                         memcpy_fromfs((b), (a), (c)); \
 695                                 }
 696 #  define       IWCOPY(a,b,c)   { \
 697                                  error = verify_area(VERIFY_WRITE, (b), (c)); \
 698                                  if (!error) \
 699                                         memcpy_tofs((b), (a), (c)); \
 700                                 }
 701 # else
 702 #  define       __KERNEL__
 703 #  undef INT_MAX
 704 #  undef UINT_MAX
 705 #  undef LONG_MAX
 706 #  undef ULONG_MAX
 707 #  define       s8 __s8
 708 #  define       u8 __u8
 709 #  define       s16 __s16
 710 #  define       u16 __u16
 711 #  define       s32 __s32
 712 #  define       u32 __u32
 713 #  include <linux/netdevice.h>
 714 #  undef        __KERNEL__
 715 # endif
 716 # define        ifnet   device
 717 #else
 718 typedef struct  tcphdr  tcphdr_t;
 719 typedef struct  udphdr  udphdr_t;
 720 typedef struct  icmp    icmphdr_t;
 721 typedef struct  ip      ip_t;
 722 typedef struct  ether_header    ether_header_t;
 723 #endif /* linux */
 724 typedef struct  tcpiphdr        tcpiphdr_t;
 725
 726 #if defined(hpux) || defined(linux)
 727 struct  ether_addr      {
 728         char    ether_addr_octet[6];
 729 };
 730 #endif
 731
 732 /*
 733  * XXX - This is one of those *awful* hacks which nobody likes
 734  */
 735 #ifdef  ultrix
 736 #define A_A
 737 #else
 738 #define A_A     &
 739 #endif
 740
 741 #ifndef ICMP_ROUTERADVERT
 742 # define        ICMP_ROUTERADVERT       9
 743 #endif
 744 #ifndef ICMP_ROUTERSOLICIT
 745 # define        ICMP_ROUTERSOLICIT      10
 746 #endif
 747
 748 #endif  /* __IP_COMPAT_H__ */
 749
 750 #endif /* #if 0 */