1/*
2 * Copyright (c) 2004-2014 Apple 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/*
30 * Copyright 2001 Wasabi Systems, Inc.
31 * All rights reserved.
32 *
33 * Written by Jason R. Thorpe for Wasabi Systems, Inc.
34 *
35 * Redistribution and use in source and binary forms, with or without
36 * modification, are permitted provided that the following conditions
37 * are met:
38 * 1. Redistributions of source code must retain the above copyright
39 * notice, this list of conditions and the following disclaimer.
40 * 2. Redistributions in binary form must reproduce the above copyright
41 * notice, this list of conditions and the following disclaimer in the
42 * documentation and/or other materials provided with the distribution.
43 * 3. All advertising materials mentioning features or use of this software
44 * must display the following acknowledgement:
45 * This product includes software developed for the NetBSD Project by
46 * Wasabi Systems, Inc.
47 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
48 * or promote products derived from this software without specific prior
49 * written permission.
50 *
51 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
52 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
53 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
54 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
55 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
56 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
57 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
58 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
59 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
60 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
61 * POSSIBILITY OF SUCH DAMAGE.
62 */
63
64/*
65 * Copyright (c) 1999, 2000 Jason L. Wright (jason@thought.net)
66 * All rights reserved.
67 *
68 * Redistribution and use in source and binary forms, with or without
69 * modification, are permitted provided that the following conditions
70 * are met:
71 * 1. Redistributions of source code must retain the above copyright
72 * notice, this list of conditions and the following disclaimer.
73 * 2. Redistributions in binary form must reproduce the above copyright
74 * notice, this list of conditions and the following disclaimer in the
75 * documentation and/or other materials provided with the distribution.
76 * 3. All advertising materials mentioning features or use of this software
77 * must display the following acknowledgement:
78 * This product includes software developed by Jason L. Wright
79 * 4. The name of the author may not be used to endorse or promote products
80 * derived from this software without specific prior written permission.
81 *
82 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
83 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
84 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
85 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
86 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
87 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
88 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
89 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
90 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
91 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
92 * POSSIBILITY OF SUCH DAMAGE.
93 *
94 * OpenBSD: if_bridge.h,v 1.14 2001/03/22 03:48:29 jason Exp
95 *
96 * $FreeBSD$
97 */
98
99/*
100 * Data structure and control definitions for bridge interfaces.
101 */
102
103#ifndef _NET_IF_BRIDGEVAR_H_
104#define _NET_IF_BRIDGEVAR_H_
105
106#ifdef PRIVATE
107
108#include <sys/queue.h>
109
110#include <net/if.h>
111#include <net/ethernet.h>
112
113/*
114 * Commands used in the SIOCSDRVSPEC ioctl. Note the lookup of the
115 * bridge interface itself is keyed off the ifdrv structure.
116 */
117#define BRDGADD 0 /* add bridge member (ifbreq) */
118#define BRDGDEL 1 /* delete bridge member (ifbreq) */
119#define BRDGGIFFLGS 2 /* get member if flags (ifbreq) */
120#define BRDGSIFFLGS 3 /* set member if flags (ifbreq) */
121#define BRDGSCACHE 4 /* set cache size (ifbrparam) */
122#define BRDGGCACHE 5 /* get cache size (ifbrparam) */
123#define BRDGGIFS 6 /* get member list (ifbifconf) */
124#define BRDGRTS 7 /* get address list (ifbaconf) */
125#define BRDGSADDR 8 /* set static address (ifbareq) */
126#define BRDGSTO 9 /* set cache timeout (ifbrparam) */
127#define BRDGGTO 10 /* get cache timeout (ifbrparam) */
128#define BRDGDADDR 11 /* delete address (ifbareq) */
129#define BRDGFLUSH 12 /* flush address cache (ifbreq) */
130
131#define BRDGGPRI 13 /* get priority (ifbrparam) */
132#define BRDGSPRI 14 /* set priority (ifbrparam) */
133#define BRDGGHT 15 /* get hello time (ifbrparam) */
134#define BRDGSHT 16 /* set hello time (ifbrparam) */
135#define BRDGGFD 17 /* get forward delay (ifbrparam) */
136#define BRDGSFD 18 /* set forward delay (ifbrparam) */
137#define BRDGGMA 19 /* get max age (ifbrparam) */
138#define BRDGSMA 20 /* set max age (ifbrparam) */
139#define BRDGSIFPRIO 21 /* set if priority (ifbreq) */
140#define BRDGSIFCOST 22 /* set if path cost (ifbreq) */
141#define BRDGGFILT 23 /* get filter flags (ifbrparam) */
142#define BRDGSFILT 24 /* set filter flags (ifbrparam) */
143#define BRDGPURGE 25 /* purge address cache for a particular interface (ifbreq) */
144#define BRDGADDS 26 /* add bridge span member (ifbreq) */
145#define BRDGDELS 27 /* delete bridge span member (ifbreq) */
146#define BRDGPARAM 28 /* get bridge STP params (ifbropreq) */
147#define BRDGGRTE 29 /* get cache drops (ifbrparam) */
148#define BRDGGIFSSTP 30 /* get member STP params list (ifbpstpconf) */
149#define BRDGSPROTO 31 /* set protocol (ifbrparam) */
150#define BRDGSTXHC 32 /* set tx hold count (ifbrparam) */
151#define BRDGSIFAMAX 33 /* set max interface addrs (ifbreq) */
152#define BRDGGHOSTFILTER 34 /* set max interface addrs (ifbrhostfilter) */
153#define BRDGSHOSTFILTER 35 /* set max interface addrs (ifbrhostfilter) */
154
155/*
156 * Generic bridge control request.
157 */
158#pragma pack(4)
159
160struct ifbreq {
161 char ifbr_ifsname[IFNAMSIZ]; /* member if name */
162 uint32_t ifbr_ifsflags; /* member if flags */
163 uint32_t ifbr_stpflags; /* member if STP flags */
164 uint32_t ifbr_path_cost; /* member if STP cost */
165 uint8_t ifbr_portno; /* member if port number */
166 uint8_t ifbr_priority; /* member if STP priority */
167 uint8_t ifbr_proto; /* member if STP protocol */
168 uint8_t ifbr_role; /* member if STP role */
169 uint8_t ifbr_state; /* member if STP state */
170 uint32_t ifbr_addrcnt; /* member if addr number */
171 uint32_t ifbr_addrmax; /* member if addr max */
172 uint32_t ifbr_addrexceeded; /* member if addr violations */
173 uint8_t pad[32];
174};
175
176#pragma pack()
177
178/* BRDGGIFFLAGS, BRDGSIFFLAGS */
179#define IFBIF_LEARNING 0x0001 /* if can learn */
180#define IFBIF_DISCOVER 0x0002 /* if sends packets w/ unknown dest. */
181#define IFBIF_STP 0x0004 /* if participates in spanning tree */
182#define IFBIF_SPAN 0x0008 /* if is a span port */
183#define IFBIF_STICKY 0x0010 /* if learned addresses stick */
184#define IFBIF_BSTP_EDGE 0x0020 /* member stp edge port */
185#define IFBIF_BSTP_AUTOEDGE 0x0040 /* member stp autoedge enabled */
186#define IFBIF_BSTP_PTP 0x0080 /* member stp point to point */
187#define IFBIF_BSTP_AUTOPTP 0x0100 /* member stp autoptp enabled */
188#define IFBIF_BSTP_ADMEDGE 0x0200 /* member stp admin edge enabled */
189#define IFBIF_BSTP_ADMCOST 0x0400 /* member stp admin path cost */
190#define IFBIF_PRIVATE 0x0800 /* if is a private segment */
191
192#define IFBIFBITS "\020\001LEARNING\002DISCOVER\003STP\004SPAN" \
193 "\005STICKY\014PRIVATE\006EDGE\007AUTOEDGE\010PTP" \
194 "\011AUTOPTP"
195#define IFBIFMASK ~(IFBIF_BSTP_EDGE|IFBIF_BSTP_AUTOEDGE|IFBIF_BSTP_PTP| \
196 IFBIF_BSTP_AUTOPTP|IFBIF_BSTP_ADMEDGE| \
197 IFBIF_BSTP_ADMCOST) /* not saved */
198
199/* BRDGFLUSH */
200#define IFBF_FLUSHDYN 0x00 /* flush learned addresses only */
201#define IFBF_FLUSHALL 0x01 /* flush all addresses */
202
203/* BRDGSFILT */
204#define IFBF_FILT_USEIPF 0x00000001 /* run pfil hooks on the bridge
205interface */
206#define IFBF_FILT_MEMBER 0x00000002 /* run pfil hooks on the member
207interfaces */
208#define IFBF_FILT_ONLYIP 0x00000004 /* only pass IP[46] packets when
209pfil is enabled */
210#define IFBF_FILT_MASK 0x00000007 /* mask of valid values */
211
212
213/* APPLE MODIFICATION <jhw@apple.com>: Default is to pass non-IP packets. */
214#define IFBF_FILT_DEFAULT ( IFBF_FILT_USEIPF | IFBF_FILT_MEMBER )
215#if 0
216#define IFBF_FILT_DEFAULT (IFBF_FILT_USEIPF | \
217IFBF_FILT_MEMBER | \
218IFBF_FILT_ONLYIP)
219#endif
220
221/*
222 * Interface list structure.
223 */
224
225#pragma pack(4)
226
227#ifndef XNU_KERNEL_PRIVATE
228
229struct ifbifconf {
230 uint32_t ifbic_len; /* buffer size */
231 union {
232 caddr_t ifbicu_buf;
233 struct ifbreq *ifbicu_req;
234#define ifbic_buf ifbic_ifbicu.ifbicu_buf
235#define ifbic_req ifbic_ifbicu.ifbicu_req
236 } ifbic_ifbicu;
237};
238
239#else /* XNU_KERNEL_PRIVATE */
240
241struct ifbifconf32 {
242 uint32_t ifbic_len; /* buffer size */
243 union {
244 user32_addr_t ifbicu_buf;
245 user32_addr_t ifbicu_req;
246#define ifbic_buf ifbic_ifbicu.ifbicu_buf
247#define ifbic_req ifbic_ifbicu.ifbicu_req
248 } ifbic_ifbicu;
249};
250
251struct ifbifconf64 {
252 uint32_t ifbic_len; /* buffer size */
253 union {
254 user64_addr_t ifbicu_buf;
255 user64_addr_t ifbicu_req;
256 } ifbic_ifbicu;
257};
258#endif /* XNU_KERNEL_PRIVATE */
259
260#pragma pack()
261
262/*
263 * Bridge address request.
264 */
265
266#pragma pack(4)
267
268#ifndef XNU_KERNEL_PRIVATE
269
270struct ifbareq {
271 char ifba_ifsname[IFNAMSIZ]; /* member if name */
272 unsigned long ifba_expire; /* address expire time */
273 uint8_t ifba_flags; /* address flags */
274 uint8_t ifba_dst[ETHER_ADDR_LEN];/* destination address */
275 uint16_t ifba_vlan; /* vlan id */
276};
277
278#else /* XNU_KERNEL_PRIVATE */
279
280struct ifbareq32 {
281 char ifba_ifsname[IFNAMSIZ]; /* member if name */
282 uint32_t ifba_expire; /* address expire time */
283 uint8_t ifba_flags; /* address flags */
284 uint8_t ifba_dst[ETHER_ADDR_LEN];/* destination address */
285 uint16_t ifba_vlan; /* vlan id */
286};
287
288struct ifbareq64 {
289 char ifba_ifsname[IFNAMSIZ]; /* member if name */
290 uint64_t ifba_expire; /* address expire time */
291 uint8_t ifba_flags; /* address flags */
292 uint8_t ifba_dst[ETHER_ADDR_LEN];/* destination address */
293 uint16_t ifba_vlan; /* vlan id */
294};
295#endif /* XNU_KERNEL_PRIVATE */
296
297#pragma pack()
298
299#define IFBAF_TYPEMASK 0x03 /* address type mask */
300#define IFBAF_DYNAMIC 0x00 /* dynamically learned address */
301#define IFBAF_STATIC 0x01 /* static address */
302#define IFBAF_STICKY 0x02 /* sticky address */
303
304#define IFBAFBITS "\020\1STATIC\2STICKY"
305
306/*
307 * Address list structure.
308 */
309
310#pragma pack(4)
311
312#ifndef XNU_KERNEL_PRIVATE
313
314struct ifbaconf {
315 uint32_t ifbac_len; /* buffer size */
316 union {
317 caddr_t ifbacu_buf;
318 struct ifbareq *ifbacu_req;
319#define ifbac_buf ifbac_ifbacu.ifbacu_buf
320#define ifbac_req ifbac_ifbacu.ifbacu_req
321 } ifbac_ifbacu;
322};
323
324#else /* XNU_KERNEL_PRIVATE */
325
326struct ifbaconf32 {
327 uint32_t ifbac_len; /* buffer size */
328 union {
329 user32_addr_t ifbacu_buf;
330 user32_addr_t ifbacu_req;
331#define ifbac_buf ifbac_ifbacu.ifbacu_buf
332#define ifbac_req ifbac_ifbacu.ifbacu_req
333 } ifbac_ifbacu;
334};
335
336struct ifbaconf64 {
337 uint32_t ifbac_len; /* buffer size */
338 union {
339 user64_addr_t ifbacu_buf;
340 user64_addr_t ifbacu_req;
341 } ifbac_ifbacu;
342};
343#endif /* XNU_KERNEL_PRIVATE */
344
345#pragma pack()
346
347/*
348 * Bridge parameter structure.
349 */
350
351#pragma pack(4)
352
353struct ifbrparam {
354 union {
355 uint32_t ifbrpu_int32;
356 uint16_t ifbrpu_int16;
357 uint8_t ifbrpu_int8;
358 } ifbrp_ifbrpu;
359};
360
361#pragma pack()
362
363#define ifbrp_csize ifbrp_ifbrpu.ifbrpu_int32 /* cache size */
364#define ifbrp_ctime ifbrp_ifbrpu.ifbrpu_int32 /* cache time (sec) */
365#define ifbrp_prio ifbrp_ifbrpu.ifbrpu_int16 /* bridge priority */
366#define ifbrp_proto ifbrp_ifbrpu.ifbrpu_int8 /* bridge protocol */
367#define ifbrp_txhc ifbrp_ifbrpu.ifbrpu_int8 /* bpdu tx holdcount */
368#define ifbrp_hellotime ifbrp_ifbrpu.ifbrpu_int8 /* hello time (sec) */
369#define ifbrp_fwddelay ifbrp_ifbrpu.ifbrpu_int8 /* fwd time (sec) */
370#define ifbrp_maxage ifbrp_ifbrpu.ifbrpu_int8 /* max age (sec) */
371#define ifbrp_cexceeded ifbrp_ifbrpu.ifbrpu_int32 /* # of cache dropped
372 * adresses */
373#define ifbrp_filter ifbrp_ifbrpu.ifbrpu_int32 /* filtering flags */
374
375/*
376 * Bridge current operational parameters structure.
377 */
378
379#pragma pack(4)
380
381#ifndef XNU_KERNEL_PRIVATE
382
383struct ifbropreq {
384 uint8_t ifbop_holdcount;
385 uint8_t ifbop_maxage;
386 uint8_t ifbop_hellotime;
387 uint8_t ifbop_fwddelay;
388 uint8_t ifbop_protocol;
389 uint16_t ifbop_priority;
390 uint16_t ifbop_root_port;
391 uint32_t ifbop_root_path_cost;
392 uint64_t ifbop_bridgeid;
393 uint64_t ifbop_designated_root;
394 uint64_t ifbop_designated_bridge;
395 struct timeval ifbop_last_tc_time;
396};
397
398#else /* XNU_KERNEL_PRIVATE */
399
400struct ifbropreq32 {
401 uint8_t ifbop_holdcount;
402 uint8_t ifbop_maxage;
403 uint8_t ifbop_hellotime;
404 uint8_t ifbop_fwddelay;
405 uint8_t ifbop_protocol;
406 uint16_t ifbop_priority;
407 uint16_t ifbop_root_port;
408 uint32_t ifbop_root_path_cost;
409 uint64_t ifbop_bridgeid;
410 uint64_t ifbop_designated_root;
411 uint64_t ifbop_designated_bridge;
412 struct timeval ifbop_last_tc_time;
413};
414
415struct ifbropreq64 {
416 uint8_t ifbop_holdcount;
417 uint8_t ifbop_maxage;
418 uint8_t ifbop_hellotime;
419 uint8_t ifbop_fwddelay;
420 uint8_t ifbop_protocol;
421 uint16_t ifbop_priority;
422 uint16_t ifbop_root_port;
423 uint32_t ifbop_root_path_cost;
424 uint64_t ifbop_bridgeid;
425 uint64_t ifbop_designated_root;
426 uint64_t ifbop_designated_bridge;
427 struct timeval ifbop_last_tc_time;
428};
429
430#endif
431
432#pragma pack()
433
434/*
435 * Bridge member operational STP params structure.
436 */
437
438#pragma pack(4)
439
440struct ifbpstpreq {
441 uint8_t ifbp_portno; /* bp STP port number */
442 uint32_t ifbp_fwd_trans; /* bp STP fwd transitions */
443 uint32_t ifbp_design_cost; /* bp STP designated cost */
444 uint32_t ifbp_design_port; /* bp STP designated port */
445 uint64_t ifbp_design_bridge; /* bp STP designated bridge */
446 uint64_t ifbp_design_root; /* bp STP designated root */
447};
448
449#pragma pack()
450
451/*
452 * Bridge STP ports list structure.
453 */
454
455#pragma pack(4)
456
457#ifndef XNU_KERNEL_PRIVATE
458
459struct ifbpstpconf {
460 uint32_t ifbpstp_len; /* buffer size */
461 union {
462 caddr_t ifbpstpu_buf;
463 struct ifbpstpreq *ifbpstpu_req;
464 } ifbpstp_ifbpstpu;
465#define ifbpstp_buf ifbpstp_ifbpstpu.ifbpstpu_buf
466#define ifbpstp_req ifbpstp_ifbpstpu.ifbpstpu_req
467};
468
469#else /* XNU_KERNEL_PRIVATE */
470
471struct ifbpstpconf32 {
472 uint32_t ifbpstp_len; /* buffer size */
473 union {
474 user32_addr_t ifbpstpu_buf;
475 user32_addr_t ifbpstpu_req;
476#define ifbpstp_buf ifbpstp_ifbpstpu.ifbpstpu_buf
477#define ifbpstp_req ifbpstp_ifbpstpu.ifbpstpu_req
478 } ifbpstp_ifbpstpu;
479};
480
481struct ifbpstpconf64 {
482 uint32_t ifbpstp_len; /* buffer size */
483 union {
484 user64_addr_t ifbpstpu_buf;
485 user64_addr_t ifbpstpu_req;
486 } ifbpstp_ifbpstpu;
487};
488
489#endif /* XNU_KERNEL_PRIVATE */
490
491#pragma pack()
492
493/*
494 * Bridge member host filter.
495 */
496
497#define IFBRHF_ENABLED 0x01
498#define IFBRHF_HWSRC 0x02 /* Valid with enabled flags */
499#define IFBRHF_IPSRC 0x04 /* Valid with enabled flags */
500
501#pragma pack(4)
502
503struct ifbrhostfilter {
504 uint32_t ifbrhf_flags; /* flags */
505 char ifbrhf_ifsname[IFNAMSIZ]; /* member if name */
506 uint8_t ifbrhf_hwsrca[ETHER_ADDR_LEN];
507 uint32_t ifbrhf_ipsrc;
508};
509
510#pragma pack()
511
512/*
513 * sysctl net.link.bridge.hostfilterstats
514 */
515struct bridge_hostfilter_stats {
516 uint64_t brhf_bad_ether_type;
517 uint64_t brhf_bad_ether_srchw_addr;
518
519 uint64_t brhf_ether_too_small;
520 uint64_t brhf_ether_pullup_failed;
521
522 uint64_t brhf_arp_ok;
523 uint64_t brhf_arp_too_small;
524 uint64_t brhf_arp_pullup_failed;
525 uint64_t brhf_arp_bad_hw_type;
526 uint64_t brhf_arp_bad_pro_type;
527 uint64_t brhf_arp_bad_hw_len;
528 uint64_t brhf_arp_bad_pro_len;
529 uint64_t brhf_arp_bad_op;
530 uint64_t brhf_arp_bad_sha;
531 uint64_t brhf_arp_bad_spa;
532
533 uint64_t brhf_ip_ok;
534 uint64_t brhf_ip_too_small;
535 uint64_t brhf_ip_pullup_failed;
536 uint64_t brhf_ip_bad_srcaddr;
537 uint64_t brhf_ip_bad_proto;
538
539 uint64_t brhf_dhcp_too_small;
540 uint64_t brhf_dhcp_bad_op;
541 uint64_t brhf_dhcp_bad_htype;
542 uint64_t brhf_dhcp_bad_hlen;
543 uint64_t brhf_dhcp_bad_chaddr;
544 uint64_t brhf_dhcp_bad_ciaddr;
545};
546
547#ifdef XNU_KERNEL_PRIVATE
548
549extern u_int8_t bstp_etheraddr[ETHER_ADDR_LEN];
550
551int bridgeattach(int);
552
553#endif /* XNU_KERNEL_PRIVATE */
554#endif /* PRIVATE */
555#endif /* !_NET_IF_BRIDGEVAR_H_ */
556