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