bsd/net/if_bridgevar.h

   1 /*      $NetBSD: if_bridgevar.h,v 1.4 2003/07/08 07:13:50 itojun Exp $  */
   2 /*
   3  * Copyright (c) 2004-2010 Apple Inc. All rights reserved.
   4  *
   5  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   6  *
   7  * This file contains Original Code and/or Modifications of Original Code
   8  * as defined in and that are subject to the Apple Public Source License
   9  * Version 2.0 (the 'License'). You may not use this file except in
  10  * compliance with the License. The rights granted to you under the License
  11  * may not be used to create, or enable the creation or redistribution of,
  12  * unlawful or unlicensed copies of an Apple operating system, or to
  13  * circumvent, violate, or enable the circumvention or violation of, any
  14  * terms of an Apple operating system software license agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  18  *
  19  * The Original Code and all software distributed under the License are
  20  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  21  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  22  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  23  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  24  * Please see the License for the specific language governing rights and
  25  * limitations under the License.
  26  *
  27  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  28  */
  29
  30 /*
  31  * Copyright 2001 Wasabi Systems, Inc.
  32  * All rights reserved.
  33  *
  34  * Written by Jason R. Thorpe for Wasabi Systems, Inc.
  35  *
  36  * Redistribution and use in source and binary forms, with or without
  37  * modification, are permitted provided that the following conditions
  38  * are met:
  39  * 1. Redistributions of source code must retain the above copyright
  40  *    notice, this list of conditions and the following disclaimer.
  41  * 2. Redistributions in binary form must reproduce the above copyright
  42  *    notice, this list of conditions and the following disclaimer in the
  43  *    documentation and/or other materials provided with the distribution.
  44  * 3. All advertising materials mentioning features or use of this software
  45  *    must display the following acknowledgement:
  46  *      This product includes software developed for the NetBSD Project by
  47  *      Wasabi Systems, Inc.
  48  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
  49  *    or promote products derived from this software without specific prior
  50  *    written permission.
  51  *
  52  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
  53  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  54  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  55  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
  56  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  57  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  58  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  59  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  60  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  61  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  62  * POSSIBILITY OF SUCH DAMAGE.
  63  */
  64
  65 /*
  66  * Copyright (c) 1999, 2000 Jason L. Wright (jason@thought.net)
  67  * All rights reserved.
  68  *
  69  * Redistribution and use in source and binary forms, with or without
  70  * modification, are permitted provided that the following conditions
  71  * are met:
  72  * 1. Redistributions of source code must retain the above copyright
  73  *    notice, this list of conditions and the following disclaimer.
  74  * 2. Redistributions in binary form must reproduce the above copyright
  75  *    notice, this list of conditions and the following disclaimer in the
  76  *    documentation and/or other materials provided with the distribution.
  77  * 3. All advertising materials mentioning features or use of this software
  78  *    must display the following acknowledgement:
  79  *      This product includes software developed by Jason L. Wright
  80  * 4. The name of the author may not be used to endorse or promote products
  81  *    derived from this software without specific prior written permission.
  82  *
  83  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  84  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  85  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  86  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
  87  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  88  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  89  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  90  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  91  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  92  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  93  * POSSIBILITY OF SUCH DAMAGE.
  94  *
  95  * OpenBSD: if_bridge.h,v 1.14 2001/03/22 03:48:29 jason Exp
  96  *
  97  * $FreeBSD$
  98  */
  99
 100 /*
 101  * Data structure and control definitions for bridge interfaces.
 102  */
 103
 104 #ifndef _NET_IF_BRIDGEVAR_H_
 105 #define _NET_IF_BRIDGEVAR_H_
 106
 107 #ifdef PRIVATE
 108
 109 #include <sys/queue.h>
 110
 111 #include <net/if.h>
 112 #include <net/ethernet.h>
 113
 114 /*
 115  * Commands used in the SIOCSDRVSPEC ioctl.  Note the lookup of the
 116  * bridge interface itself is keyed off the ifdrv structure.
 117  */
 118 #define BRDGADD                 0       /* add bridge member (ifbreq) */
 119 #define BRDGDEL                 1       /* delete bridge member (ifbreq) */
 120 #define BRDGGIFFLGS             2       /* get member if flags (ifbreq) */
 121 #define BRDGSIFFLGS             3       /* set member if flags (ifbreq) */
 122 #define BRDGSCACHE              4       /* set cache size (ifbrparam) */
 123 #define BRDGGCACHE              5       /* get cache size (ifbrparam) */
 124 #define BRDGGIFS                6       /* get member list (ifbifconf) */
 125 #define BRDGRTS                 7       /* get address list (ifbaconf) */
 126 #define BRDGSADDR               8       /* set static address (ifbareq) */
 127 #define BRDGSTO                 9       /* set cache timeout (ifbrparam) */
 128 #define BRDGGTO                 10      /* get cache timeout (ifbrparam) */
 129 #define BRDGDADDR               11      /* delete address (ifbareq) */
 130 #define BRDGFLUSH               12      /* flush address cache (ifbreq) */
 131
 132 #define BRDGGPRI                13      /* get priority (ifbrparam) */
 133 #define BRDGSPRI                14      /* set priority (ifbrparam) */
 134 #define BRDGGHT                 15      /* get hello time (ifbrparam) */
 135 #define BRDGSHT                 16      /* set hello time (ifbrparam) */
 136 #define BRDGGFD                 17      /* get forward delay (ifbrparam) */
 137 #define BRDGSFD                 18      /* set forward delay (ifbrparam) */
 138 #define BRDGGMA                 19      /* get max age (ifbrparam) */
 139 #define BRDGSMA                 20      /* set max age (ifbrparam) */
 140 #define BRDGSIFPRIO             21      /* set if priority (ifbreq) */
 141 #define BRDGSIFCOST             22      /* set if path cost (ifbreq) */
 142 #define BRDGGFILT               23      /* get filter flags (ifbrparam) */
 143 #define BRDGSFILT           24  /* set filter flags (ifbrparam) */
 144 #define BRDGPURGE               25      /* purge address cache for a particular interface (ifbreq) */
 145 #define BRDGADDS                26      /* add bridge span member (ifbreq) */
 146 #define BRDGDELS                27      /* delete bridge span member (ifbreq) */
 147 #define BRDGPARAM               28      /* get bridge STP params (ifbropreq) */
 148 #define BRDGGRTE                29      /* get cache drops (ifbrparam) */
 149 #define BRDGGIFSSTP             30      /* get member STP params list (ifbpstpconf) */
 150 #define BRDGSPROTO              31      /* set protocol (ifbrparam) */
 151 #define BRDGSTXHC               32      /* set tx hold count (ifbrparam) */
 152 #define BRDGSIFAMAX             33      /* set max interface addrs (ifbreq) */
 153
 154 /*
 155  * Generic bridge control request.
 156  */
 157 #pragma pack(4)
 158
 159 struct ifbreq {
 160         char            ifbr_ifsname[IFNAMSIZ]; /* member if name */
 161         uint32_t        ifbr_ifsflags;          /* member if flags */
 162         uint32_t        ifbr_stpflags;          /* member if STP flags */
 163         uint32_t        ifbr_path_cost;         /* member if STP cost */
 164         uint8_t         ifbr_portno;            /* member if port number */
 165         uint8_t         ifbr_priority;          /* member if STP priority */
 166         uint8_t         ifbr_proto;             /* member if STP protocol */
 167         uint8_t         ifbr_role;              /* member if STP role */
 168         uint8_t         ifbr_state;             /* member if STP state */
 169         uint32_t        ifbr_addrcnt;           /* member if addr number */
 170         uint32_t        ifbr_addrmax;           /* member if addr max */
 171         uint32_t        ifbr_addrexceeded;      /* member if addr violations */
 172         uint8_t         pad[32];
 173 };
 174
 175 #pragma pack()
 176
 177 /* BRDGGIFFLAGS, BRDGSIFFLAGS */
 178 #define IFBIF_LEARNING          0x0001  /* if can learn */
 179 #define IFBIF_DISCOVER          0x0002  /* if sends packets w/ unknown dest. */
 180 #define IFBIF_STP               0x0004  /* if participates in spanning tree */
 181 #define IFBIF_SPAN              0x0008  /* if is a span port */
 182 #define IFBIF_STICKY            0x0010  /* if learned addresses stick */
 183 #define IFBIF_BSTP_EDGE         0x0020  /* member stp edge port */
 184 #define IFBIF_BSTP_AUTOEDGE     0x0040  /* member stp autoedge enabled */
 185 #define IFBIF_BSTP_PTP          0x0080  /* member stp point to point */
 186 #define IFBIF_BSTP_AUTOPTP      0x0100  /* member stp autoptp enabled */
 187 #define IFBIF_BSTP_ADMEDGE      0x0200  /* member stp admin edge enabled */
 188 #define IFBIF_BSTP_ADMCOST      0x0400  /* member stp admin path cost */
 189 #define IFBIF_PRIVATE           0x0800  /* if is a private segment */
 190
 191 #define IFBIFBITS       "\020\001LEARNING\002DISCOVER\003STP\004SPAN" \
 192                         "\005STICKY\014PRIVATE\006EDGE\007AUTOEDGE\010PTP" \
 193                         "\011AUTOPTP"
 194 #define IFBIFMASK       ~(IFBIF_BSTP_EDGE|IFBIF_BSTP_AUTOEDGE|IFBIF_BSTP_PTP| \
 195                         IFBIF_BSTP_AUTOPTP|IFBIF_BSTP_ADMEDGE| \
 196                         IFBIF_BSTP_ADMCOST)     /* not saved */
 197
 198 /* BRDGFLUSH */
 199 #define IFBF_FLUSHDYN           0x00    /* flush learned addresses only */
 200 #define IFBF_FLUSHALL           0x01    /* flush all addresses */
 201
 202 /* BRDGSFILT */
 203 #define IFBF_FILT_USEIPF        0x00000001 /* run pfil hooks on the bridge
 204 interface */
 205 #define IFBF_FILT_MEMBER        0x00000002 /* run pfil hooks on the member
 206 interfaces */
 207 #define IFBF_FILT_ONLYIP        0x00000004 /* only pass IP[46] packets when
 208 pfil is enabled */
 209 #define IFBF_FILT_MASK          0x00000007 /* mask of valid values */
 210
 211
 212 /* APPLE MODIFICATION <jhw@apple.com>: Default is to pass non-IP packets. */
 213 #define IFBF_FILT_DEFAULT       ( IFBF_FILT_USEIPF | IFBF_FILT_MEMBER )
 214 #if 0
 215 #define IFBF_FILT_DEFAULT       (IFBF_FILT_USEIPF | \
 216 IFBF_FILT_MEMBER | \
 217 IFBF_FILT_ONLYIP)
 218 #endif
 219
 220 /*
 221  * Interface list structure.
 222  */
 223
 224 #pragma pack(4)
 225
 226 #ifndef XNU_KERNEL_PRIVATE
 227
 228 struct ifbifconf {
 229         uint32_t        ifbic_len;      /* buffer size */
 230         union {
 231                 caddr_t ifbicu_buf;
 232                 struct ifbreq *ifbicu_req;
 233 #define ifbic_buf       ifbic_ifbicu.ifbicu_buf
 234 #define ifbic_req       ifbic_ifbicu.ifbicu_req
 235         } ifbic_ifbicu;
 236 };
 237
 238 #else /* XNU_KERNEL_PRIVATE */
 239
 240 struct ifbifconf32 {
 241         uint32_t        ifbic_len;      /* buffer size */
 242         union {
 243                 user32_addr_t   ifbicu_buf;
 244                 user32_addr_t   ifbicu_req;
 245 #define ifbic_buf       ifbic_ifbicu.ifbicu_buf
 246 #define ifbic_req       ifbic_ifbicu.ifbicu_req
 247         } ifbic_ifbicu;
 248 };
 249
 250 struct ifbifconf64 {
 251         uint32_t        ifbic_len;      /* buffer size */
 252         union {
 253                 user64_addr_t   ifbicu_buf;
 254                 user64_addr_t   ifbicu_req;
 255         } ifbic_ifbicu;
 256 };
 257 #endif /* XNU_KERNEL_PRIVATE */
 258
 259 #pragma pack()
 260
 261 /*
 262  * Bridge address request.
 263  */
 264
 265 #pragma pack(4)
 266
 267 #ifndef XNU_KERNEL_PRIVATE
 268
 269 struct ifbareq {
 270         char            ifba_ifsname[IFNAMSIZ]; /* member if name */
 271         unsigned long   ifba_expire;            /* address expire time */
 272         uint8_t         ifba_flags;             /* address flags */
 273         uint8_t         ifba_dst[ETHER_ADDR_LEN];/* destination address */
 274         uint16_t        ifba_vlan;              /* vlan id */
 275 };
 276
 277 #else /* XNU_KERNEL_PRIVATE */
 278
 279 struct ifbareq32 {
 280         char            ifba_ifsname[IFNAMSIZ]; /* member if name */
 281         uint32_t        ifba_expire;            /* address expire time */
 282         uint8_t         ifba_flags;             /* address flags */
 283         uint8_t         ifba_dst[ETHER_ADDR_LEN];/* destination address */
 284         uint16_t        ifba_vlan;              /* vlan id */
 285 };
 286
 287 struct ifbareq64 {
 288         char            ifba_ifsname[IFNAMSIZ]; /* member if name */
 289         uint64_t        ifba_expire;            /* address expire time */
 290         uint8_t         ifba_flags;             /* address flags */
 291         uint8_t         ifba_dst[ETHER_ADDR_LEN];/* destination address */
 292         uint16_t        ifba_vlan;              /* vlan id */
 293 };
 294 #endif /* XNU_KERNEL_PRIVATE */
 295
 296 #pragma pack()
 297
 298 #define IFBAF_TYPEMASK  0x03    /* address type mask */
 299 #define IFBAF_DYNAMIC   0x00    /* dynamically learned address */
 300 #define IFBAF_STATIC    0x01    /* static address */
 301 #define IFBAF_STICKY    0x02    /* sticky address */
 302
 303 #define IFBAFBITS       "\020\1STATIC\2STICKY"
 304
 305 /*
 306  * Address list structure.
 307  */
 308
 309 #pragma pack(4)
 310
 311 #ifndef XNU_KERNEL_PRIVATE
 312
 313 struct ifbaconf {
 314         uint32_t        ifbac_len;      /* buffer size */
 315         union {
 316                 caddr_t ifbacu_buf;
 317                 struct ifbareq *ifbacu_req;
 318 #define ifbac_buf       ifbac_ifbacu.ifbacu_buf
 319 #define ifbac_req       ifbac_ifbacu.ifbacu_req
 320         } ifbac_ifbacu;
 321 };
 322
 323 #else /* XNU_KERNEL_PRIVATE */
 324
 325 struct ifbaconf32 {
 326         uint32_t        ifbac_len;      /* buffer size */
 327         union {
 328                 user32_addr_t   ifbacu_buf;
 329                 user32_addr_t   ifbacu_req;
 330 #define ifbac_buf       ifbac_ifbacu.ifbacu_buf
 331 #define ifbac_req       ifbac_ifbacu.ifbacu_req
 332         } ifbac_ifbacu;
 333 };
 334
 335 struct ifbaconf64 {
 336         uint32_t        ifbac_len;      /* buffer size */
 337         union {
 338                 user64_addr_t   ifbacu_buf;
 339                 user64_addr_t   ifbacu_req;
 340         } ifbac_ifbacu;
 341 };
 342 #endif /* XNU_KERNEL_PRIVATE */
 343
 344 #pragma pack()
 345
 346 /*
 347  * Bridge parameter structure.
 348  */
 349
 350 #pragma pack(4)
 351
 352 struct ifbrparam {
 353         union {
 354                 uint32_t ifbrpu_int32;
 355                 uint16_t ifbrpu_int16;
 356                 uint8_t ifbrpu_int8;
 357         } ifbrp_ifbrpu;
 358 };
 359
 360 #pragma pack()
 361
 362 #define ifbrp_csize     ifbrp_ifbrpu.ifbrpu_int32       /* cache size */
 363 #define ifbrp_ctime     ifbrp_ifbrpu.ifbrpu_int32       /* cache time (sec) */
 364 #define ifbrp_prio      ifbrp_ifbrpu.ifbrpu_int16       /* bridge priority */
 365 #define ifbrp_proto     ifbrp_ifbrpu.ifbrpu_int8        /* bridge protocol */
 366 #define ifbrp_txhc      ifbrp_ifbrpu.ifbrpu_int8        /* bpdu tx holdcount */
 367 #define ifbrp_hellotime ifbrp_ifbrpu.ifbrpu_int8        /* hello time (sec) */
 368 #define ifbrp_fwddelay  ifbrp_ifbrpu.ifbrpu_int8        /* fwd time (sec) */
 369 #define ifbrp_maxage    ifbrp_ifbrpu.ifbrpu_int8        /* max age (sec) */
 370 #define ifbrp_cexceeded ifbrp_ifbrpu.ifbrpu_int32       /* # of cache dropped
 371                                                          * adresses */
 372 #define ifbrp_filter    ifbrp_ifbrpu.ifbrpu_int32       /* filtering flags */
 373
 374 /*
 375  * Bridge current operational parameters structure.
 376  */
 377
 378 #pragma pack(4)
 379
 380 #ifndef XNU_KERNEL_PRIVATE
 381
 382 struct ifbropreq {
 383         uint8_t         ifbop_holdcount;
 384         uint8_t         ifbop_maxage;
 385         uint8_t         ifbop_hellotime;
 386         uint8_t         ifbop_fwddelay;
 387         uint8_t         ifbop_protocol;
 388         uint16_t        ifbop_priority;
 389         uint16_t        ifbop_root_port;
 390         uint32_t        ifbop_root_path_cost;
 391         uint64_t        ifbop_bridgeid;
 392         uint64_t        ifbop_designated_root;
 393         uint64_t        ifbop_designated_bridge;
 394         struct timeval  ifbop_last_tc_time;
 395 };
 396
 397 #else /* XNU_KERNEL_PRIVATE */
 398
 399 struct ifbropreq32 {
 400         uint8_t         ifbop_holdcount;
 401         uint8_t         ifbop_maxage;
 402         uint8_t         ifbop_hellotime;
 403         uint8_t         ifbop_fwddelay;
 404         uint8_t         ifbop_protocol;
 405         uint16_t        ifbop_priority;
 406         uint16_t        ifbop_root_port;
 407         uint32_t        ifbop_root_path_cost;
 408         uint64_t        ifbop_bridgeid;
 409         uint64_t        ifbop_designated_root;
 410         uint64_t        ifbop_designated_bridge;
 411         struct timeval  ifbop_last_tc_time;
 412 };
 413
 414 struct ifbropreq64 {
 415         uint8_t         ifbop_holdcount;
 416         uint8_t         ifbop_maxage;
 417         uint8_t         ifbop_hellotime;
 418         uint8_t         ifbop_fwddelay;
 419         uint8_t         ifbop_protocol;
 420         uint16_t        ifbop_priority;
 421         uint16_t        ifbop_root_port;
 422         uint32_t        ifbop_root_path_cost;
 423         uint64_t        ifbop_bridgeid;
 424         uint64_t        ifbop_designated_root;
 425         uint64_t        ifbop_designated_bridge;
 426         struct timeval  ifbop_last_tc_time;
 427 };
 428
 429 #endif
 430
 431 #pragma pack()
 432
 433 /*
 434  * Bridge member operational STP params structure.
 435  */
 436
 437 #pragma pack(4)
 438
 439 struct ifbpstpreq {
 440         uint8_t         ifbp_portno;            /* bp STP port number */
 441         uint32_t        ifbp_fwd_trans;         /* bp STP fwd transitions */
 442         uint32_t        ifbp_design_cost;       /* bp STP designated cost */
 443         uint32_t        ifbp_design_port;       /* bp STP designated port */
 444         uint64_t        ifbp_design_bridge;     /* bp STP designated bridge */
 445         uint64_t        ifbp_design_root;       /* bp STP designated root */
 446 };
 447
 448 #pragma pack()
 449
 450 /*
 451  * Bridge STP ports list structure.
 452  */
 453
 454 #pragma pack(4)
 455
 456 #ifndef XNU_KERNEL_PRIVATE
 457
 458 struct ifbpstpconf {
 459         uint32_t        ifbpstp_len;    /* buffer size */
 460         union {
 461                 caddr_t ifbpstpu_buf;
 462                 struct ifbpstpreq *ifbpstpu_req;
 463         } ifbpstp_ifbpstpu;
 464 #define ifbpstp_buf     ifbpstp_ifbpstpu.ifbpstpu_buf
 465 #define ifbpstp_req     ifbpstp_ifbpstpu.ifbpstpu_req
 466 };
 467
 468 #else /* XNU_KERNEL_PRIVATE */
 469
 470 struct ifbpstpconf32 {
 471         uint32_t        ifbpstp_len;    /* buffer size */
 472         union {
 473                 user32_addr_t   ifbpstpu_buf;
 474                 user32_addr_t   ifbpstpu_req;
 475 #define ifbpstp_buf     ifbpstp_ifbpstpu.ifbpstpu_buf
 476 #define ifbpstp_req     ifbpstp_ifbpstpu.ifbpstpu_req
 477         } ifbpstp_ifbpstpu;
 478 };
 479
 480 struct ifbpstpconf64 {
 481         uint32_t        ifbpstp_len;    /* buffer size */
 482         union {
 483                 user64_addr_t   ifbpstpu_buf;
 484                 user64_addr_t   ifbpstpu_req;
 485         } ifbpstp_ifbpstpu;
 486 };
 487
 488 #endif /* XNU_KERNEL_PRIVATE */
 489
 490 #pragma pack()
 491
 492
 493 #ifdef XNU_KERNEL_PRIVATE
 494
 495 extern u_int8_t bstp_etheraddr[ETHER_ADDR_LEN];
 496
 497 int     bridgeattach(int);
 498
 499 #endif /* XNU_KERNEL_PRIVATE */
 500 #endif /* PRIVATE */
 501 #endif /* !_NET_IF_BRIDGEVAR_H_ */