1 /* $NetBSD: if_bridgevar.h,v 1.4 2003/07/08 07:13:50 itojun Exp $ */
4 * SPDX-License-Identifier: BSD-4-Clause
6 * Copyright 2001 Wasabi Systems, Inc.
9 * Written by Jason R. Thorpe for Wasabi Systems, Inc.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed for the NetBSD Project by
22 * Wasabi Systems, Inc.
23 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
24 * or promote products derived from this software without specific prior
27 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
41 * Copyright (c) 1999, 2000 Jason L. Wright (jason@thought.net)
42 * All rights reserved.
44 * Redistribution and use in source and binary forms, with or without
45 * modification, are permitted provided that the following conditions
47 * 1. Redistributions of source code must retain the above copyright
48 * notice, this list of conditions and the following disclaimer.
49 * 2. Redistributions in binary form must reproduce the above copyright
50 * notice, this list of conditions and the following disclaimer in the
51 * documentation and/or other materials provided with the distribution.
52 * 3. All advertising materials mentioning features or use of this software
53 * must display the following acknowledgement:
54 * This product includes software developed by Jason L. Wright
55 * 4. The name of the author may not be used to endorse or promote products
56 * derived from this software without specific prior written permission.
58 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
59 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
60 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
61 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
62 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
63 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
64 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
65 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
66 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
67 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
68 * POSSIBILITY OF SUCH DAMAGE.
70 * OpenBSD: if_bridge.h,v 1.14 2001/03/22 03:48:29 jason Exp
76 * Data structure and control definitions for bridge interfaces.
79 #include <sys/types.h>
80 #include <sys/callout.h>
81 #include <sys/queue.h>
82 #include <sys/condvar.h>
84 #include <net/ethernet.h>
88 * Commands used in the SIOCSDRVSPEC ioctl. Note the lookup of the
89 * bridge interface itself is keyed off the ifdrv structure.
91 #define BRDGADD 0 /* add bridge member (ifbreq) */
92 #define BRDGDEL 1 /* delete bridge member (ifbreq) */
93 #define BRDGGIFFLGS 2 /* get member if flags (ifbreq) */
94 #define BRDGSIFFLGS 3 /* set member if flags (ifbreq) */
95 #define BRDGSCACHE 4 /* set cache size (ifbrparam) */
96 #define BRDGGCACHE 5 /* get cache size (ifbrparam) */
97 #define BRDGGIFS 6 /* get member list (ifbifconf) */
98 #define BRDGRTS 7 /* get address list (ifbaconf) */
99 #define BRDGSADDR 8 /* set static address (ifbareq) */
100 #define BRDGSTO 9 /* set cache timeout (ifbrparam) */
101 #define BRDGGTO 10 /* get cache timeout (ifbrparam) */
102 #define BRDGDADDR 11 /* delete address (ifbareq) */
103 #define BRDGFLUSH 12 /* flush address cache (ifbreq) */
105 #define BRDGGPRI 13 /* get priority (ifbrparam) */
106 #define BRDGSPRI 14 /* set priority (ifbrparam) */
107 #define BRDGGHT 15 /* get hello time (ifbrparam) */
108 #define BRDGSHT 16 /* set hello time (ifbrparam) */
109 #define BRDGGFD 17 /* get forward delay (ifbrparam) */
110 #define BRDGSFD 18 /* set forward delay (ifbrparam) */
111 #define BRDGGMA 19 /* get max age (ifbrparam) */
112 #define BRDGSMA 20 /* set max age (ifbrparam) */
113 #define BRDGSIFPRIO 21 /* set if priority (ifbreq) */
114 #define BRDGSIFCOST 22 /* set if path cost (ifbreq) */
115 #define BRDGADDS 23 /* add bridge span member (ifbreq) */
116 #define BRDGDELS 24 /* delete bridge span member (ifbreq) */
117 #define BRDGPARAM 25 /* get bridge STP params (ifbropreq) */
118 #define BRDGGRTE 26 /* get cache drops (ifbrparam) */
119 #define BRDGGIFSSTP 27 /* get member STP params list
121 #define BRDGSPROTO 28 /* set protocol (ifbrparam) */
122 #define BRDGSTXHC 29 /* set tx hold count (ifbrparam) */
123 #define BRDGSIFAMAX 30 /* set max interface addrs (ifbreq) */
126 * Generic bridge control request.
129 char ifbr_ifsname[IFNAMSIZ]; /* member if name */
130 uint32_t ifbr_ifsflags; /* member if flags */
131 uint32_t ifbr_stpflags; /* member if STP flags */
132 uint32_t ifbr_path_cost; /* member if STP cost */
133 uint8_t ifbr_portno; /* member if port number */
134 uint8_t ifbr_priority; /* member if STP priority */
135 uint8_t ifbr_proto; /* member if STP protocol */
136 uint8_t ifbr_role; /* member if STP role */
137 uint8_t ifbr_state; /* member if STP state */
138 uint32_t ifbr_addrcnt; /* member if addr number */
139 uint32_t ifbr_addrmax; /* member if addr max */
140 uint32_t ifbr_addrexceeded; /* member if addr violations */
144 /* BRDGGIFFLAGS, BRDGSIFFLAGS */
145 #define IFBIF_LEARNING 0x0001 /* if can learn */
146 #define IFBIF_DISCOVER 0x0002 /* if sends packets w/ unknown dest. */
147 #define IFBIF_STP 0x0004 /* if participates in spanning tree */
148 #define IFBIF_SPAN 0x0008 /* if is a span port */
149 #define IFBIF_STICKY 0x0010 /* if learned addresses stick */
150 #define IFBIF_BSTP_EDGE 0x0020 /* member stp edge port */
151 #define IFBIF_BSTP_AUTOEDGE 0x0040 /* member stp autoedge enabled */
152 #define IFBIF_BSTP_PTP 0x0080 /* member stp point to point */
153 #define IFBIF_BSTP_AUTOPTP 0x0100 /* member stp autoptp enabled */
154 #define IFBIF_BSTP_ADMEDGE 0x0200 /* member stp admin edge enabled */
155 #define IFBIF_BSTP_ADMCOST 0x0400 /* member stp admin path cost */
156 #define IFBIF_PRIVATE 0x0800 /* if is a private segment */
158 #define IFBIFBITS "\020\001LEARNING\002DISCOVER\003STP\004SPAN" \
159 "\005STICKY\014PRIVATE\006EDGE\007AUTOEDGE\010PTP" \
161 #define IFBIFMASK ~(IFBIF_BSTP_EDGE|IFBIF_BSTP_AUTOEDGE|IFBIF_BSTP_PTP| \
162 IFBIF_BSTP_AUTOPTP|IFBIF_BSTP_ADMEDGE| \
163 IFBIF_BSTP_ADMCOST) /* not saved */
166 #define IFBF_FLUSHDYN 0x00 /* flush learned addresses only */
167 #define IFBF_FLUSHALL 0x01 /* flush all addresses */
170 * Interface list structure.
173 uint32_t ifbic_len; /* buffer size */
176 struct ifbreq *ifbicu_req;
178 #define ifbic_buf ifbic_ifbicu.ifbicu_buf
179 #define ifbic_req ifbic_ifbicu.ifbicu_req
183 * Bridge address request.
186 char ifba_ifsname[IFNAMSIZ]; /* member if name */
187 unsigned long ifba_expire; /* address expire time */
188 uint8_t ifba_flags; /* address flags */
189 uint8_t ifba_dst[ETHER_ADDR_LEN];/* destination address */
190 uint16_t ifba_vlan; /* vlan id */
193 #define IFBAF_TYPEMASK 0x03 /* address type mask */
194 #define IFBAF_DYNAMIC 0x00 /* dynamically learned address */
195 #define IFBAF_STATIC 0x01 /* static address */
196 #define IFBAF_STICKY 0x02 /* sticky address */
198 #define IFBAFBITS "\020\1STATIC\2STICKY"
201 * Address list structure.
204 uint32_t ifbac_len; /* buffer size */
207 struct ifbareq *ifbacu_req;
209 #define ifbac_buf ifbac_ifbacu.ifbacu_buf
210 #define ifbac_req ifbac_ifbacu.ifbacu_req
214 * Bridge parameter structure.
218 uint32_t ifbrpu_int32;
219 uint16_t ifbrpu_int16;
223 #define ifbrp_csize ifbrp_ifbrpu.ifbrpu_int32 /* cache size */
224 #define ifbrp_ctime ifbrp_ifbrpu.ifbrpu_int32 /* cache time (sec) */
225 #define ifbrp_prio ifbrp_ifbrpu.ifbrpu_int16 /* bridge priority */
226 #define ifbrp_proto ifbrp_ifbrpu.ifbrpu_int8 /* bridge protocol */
227 #define ifbrp_txhc ifbrp_ifbrpu.ifbrpu_int8 /* bpdu tx holdcount */
228 #define ifbrp_hellotime ifbrp_ifbrpu.ifbrpu_int8 /* hello time (sec) */
229 #define ifbrp_fwddelay ifbrp_ifbrpu.ifbrpu_int8 /* fwd time (sec) */
230 #define ifbrp_maxage ifbrp_ifbrpu.ifbrpu_int8 /* max age (sec) */
231 #define ifbrp_cexceeded ifbrp_ifbrpu.ifbrpu_int32 /* # of cache dropped
234 * Bridge current operational parameters structure.
237 uint8_t ifbop_holdcount;
238 uint8_t ifbop_maxage;
239 uint8_t ifbop_hellotime;
240 uint8_t ifbop_fwddelay;
241 uint8_t ifbop_protocol;
242 uint16_t ifbop_priority;
243 uint16_t ifbop_root_port;
244 uint32_t ifbop_root_path_cost;
245 uint64_t ifbop_bridgeid;
246 uint64_t ifbop_designated_root;
247 uint64_t ifbop_designated_bridge;
248 struct timeval ifbop_last_tc_time;
252 * Bridge member operational STP params structure.
255 uint8_t ifbp_portno; /* bp STP port number */
256 uint32_t ifbp_fwd_trans; /* bp STP fwd transitions */
257 uint32_t ifbp_design_cost; /* bp STP designated cost */
258 uint32_t ifbp_design_port; /* bp STP designated port */
259 uint64_t ifbp_design_bridge; /* bp STP designated bridge */
260 uint64_t ifbp_design_root; /* bp STP designated root */
264 * Bridge STP ports list structure.
267 uint32_t ifbpstp_len; /* buffer size */
269 caddr_t ifbpstpu_buf;
270 struct ifbpstpreq *ifbpstpu_req;
272 #define ifbpstp_buf ifbpstp_ifbpstpu.ifbpstpu_buf
273 #define ifbpstp_req ifbpstp_ifbpstpu.ifbpstpu_req
296 #define PV2ID(pv, epri, eaddr) do { \
298 eaddr[0] = pv >> 40; \
299 eaddr[1] = pv >> 32; \
300 eaddr[2] = pv >> 24; \
301 eaddr[3] = pv >> 16; \
302 eaddr[4] = pv >> 8; \
303 eaddr[5] = pv >> 0; \
308 #define BRIDGE_INPUT(_ifp, _m) do { \
309 KASSERT((_ifp)->if_bridge_input != NULL, \
310 ("%s: if_bridge not loaded!", __func__)); \
311 _m = (*(_ifp)->if_bridge_input)(_ifp, _m); \
313 _ifp = _m->m_pkthdr.rcvif; \
314 m->m_flags &= ~M_BRIDGE_INJECT; \
318 #define BRIDGE_OUTPUT(_ifp, _m, _err) do { \
319 KASSERT((_ifp)->if_bridge_output != NULL, \
320 ("%s: if_bridge not loaded!", __func__)); \
321 _err = (*(_ifp)->if_bridge_output)(_ifp, _m, NULL, NULL); \
324 extern void (*bridge_dn_p)(struct mbuf *, struct ifnet *);