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if_bridgevar.h @ 09bbedc

55-freebsd-126-freebsd-12

Last change on this file since 09bbedc was de8a76d, checked in by Sebastian Huber <sebastian.huber@…>, on 04/04/17 at 07:36:57

Update to FreeBSD head 2017-04-04

Git mirror commit 642b174daddbd0efd9bb5f242c43f4ab4db6869f.

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File size: 12.3 KB

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1	/* $NetBSD: if_bridgevar.h,v 1.4 2003/07/08 07:13:50 itojun Exp $ */
2
3	/*
4	* Copyright 2001 Wasabi Systems, Inc.
5	* All rights reserved.
6	*
7	* Written by Jason R. Thorpe for Wasabi Systems, Inc.
8	*
9	* Redistribution and use in source and binary forms, with or without
10	* modification, are permitted provided that the following conditions
11	* are met:
12	* 1. Redistributions of source code must retain the above copyright
13	* notice, this list of conditions and the following disclaimer.
14	* 2. Redistributions in binary form must reproduce the above copyright
15	* notice, this list of conditions and the following disclaimer in the
16	* documentation and/or other materials provided with the distribution.
17	* 3. All advertising materials mentioning features or use of this software
18	* must display the following acknowledgement:
19	* This product includes software developed for the NetBSD Project by
20	* Wasabi Systems, Inc.
21	* 4. The name of Wasabi Systems, Inc. may not be used to endorse
22	* or promote products derived from this software without specific prior
23	* written permission.
24	*
25	* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27	* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
29	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35	* POSSIBILITY OF SUCH DAMAGE.
36	*/
37
38	/*
39	* Copyright (c) 1999, 2000 Jason L. Wright (jason@thought.net)
40	* All rights reserved.
41	*
42	* Redistribution and use in source and binary forms, with or without
43	* modification, are permitted provided that the following conditions
44	* are met:
45	* 1. Redistributions of source code must retain the above copyright
46	* notice, this list of conditions and the following disclaimer.
47	* 2. Redistributions in binary form must reproduce the above copyright
48	* notice, this list of conditions and the following disclaimer in the
49	* documentation and/or other materials provided with the distribution.
50	* 3. All advertising materials mentioning features or use of this software
51	* must display the following acknowledgement:
52	* This product includes software developed by Jason L. Wright
53	* 4. The name of the author may not be used to endorse or promote products
54	* derived from this software without specific prior written permission.
55	*
56	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
57	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
58	* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
59	* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
60	* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
61	* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
62	* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
63	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
64	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
65	* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
66	* POSSIBILITY OF SUCH DAMAGE.
67	*
68	* OpenBSD: if_bridge.h,v 1.14 2001/03/22 03:48:29 jason Exp
69	*
70	* $FreeBSD$
71	*/
72
73	/*
74	* Data structure and control definitions for bridge interfaces.
75	*/
76
77	#include <sys/callout.h>
78	#include <sys/queue.h>
79	#include <sys/condvar.h>
80
81	/*
82	* Commands used in the SIOCSDRVSPEC ioctl. Note the lookup of the
83	* bridge interface itself is keyed off the ifdrv structure.
84	*/
85	#define BRDGADD 0 /* add bridge member (ifbreq) */
86	#define BRDGDEL 1 /* delete bridge member (ifbreq) */
87	#define BRDGGIFFLGS 2 /* get member if flags (ifbreq) */
88	#define BRDGSIFFLGS 3 /* set member if flags (ifbreq) */
89	#define BRDGSCACHE 4 /* set cache size (ifbrparam) */
90	#define BRDGGCACHE 5 /* get cache size (ifbrparam) */
91	#define BRDGGIFS 6 /* get member list (ifbifconf) */
92	#define BRDGRTS 7 /* get address list (ifbaconf) */
93	#define BRDGSADDR 8 /* set static address (ifbareq) */
94	#define BRDGSTO 9 /* set cache timeout (ifbrparam) */
95	#define BRDGGTO 10 /* get cache timeout (ifbrparam) */
96	#define BRDGDADDR 11 /* delete address (ifbareq) */
97	#define BRDGFLUSH 12 /* flush address cache (ifbreq) */
98
99	#define BRDGGPRI 13 /* get priority (ifbrparam) */
100	#define BRDGSPRI 14 /* set priority (ifbrparam) */
101	#define BRDGGHT 15 /* get hello time (ifbrparam) */
102	#define BRDGSHT 16 /* set hello time (ifbrparam) */
103	#define BRDGGFD 17 /* get forward delay (ifbrparam) */
104	#define BRDGSFD 18 /* set forward delay (ifbrparam) */
105	#define BRDGGMA 19 /* get max age (ifbrparam) */
106	#define BRDGSMA 20 /* set max age (ifbrparam) */
107	#define BRDGSIFPRIO 21 /* set if priority (ifbreq) */
108	#define BRDGSIFCOST 22 /* set if path cost (ifbreq) */
109	#define BRDGADDS 23 /* add bridge span member (ifbreq) */
110	#define BRDGDELS 24 /* delete bridge span member (ifbreq) */
111	#define BRDGPARAM 25 /* get bridge STP params (ifbropreq) */
112	#define BRDGGRTE 26 /* get cache drops (ifbrparam) */
113	#define BRDGGIFSSTP 27 /* get member STP params list
114	* (ifbpstpconf) */
115	#define BRDGSPROTO 28 /* set protocol (ifbrparam) */
116	#define BRDGSTXHC 29 /* set tx hold count (ifbrparam) */
117	#define BRDGSIFAMAX 30 /* set max interface addrs (ifbreq) */
118
119	/*
120	* Generic bridge control request.
121	*/
122	struct ifbreq {
123	char ifbr_ifsname[IFNAMSIZ]; /* member if name */
124	uint32_t ifbr_ifsflags; /* member if flags */
125	uint32_t ifbr_stpflags; /* member if STP flags */
126	uint32_t ifbr_path_cost; /* member if STP cost */
127	uint8_t ifbr_portno; /* member if port number */
128	uint8_t ifbr_priority; /* member if STP priority */
129	uint8_t ifbr_proto; /* member if STP protocol */
130	uint8_t ifbr_role; /* member if STP role */
131	uint8_t ifbr_state; /* member if STP state */
132	uint32_t ifbr_addrcnt; /* member if addr number */
133	uint32_t ifbr_addrmax; /* member if addr max */
134	uint32_t ifbr_addrexceeded; /* member if addr violations */
135	uint8_t pad[32];
136	};
137
138	/* BRDGGIFFLAGS, BRDGSIFFLAGS */
139	#define IFBIF_LEARNING 0x0001 /* if can learn */
140	#define IFBIF_DISCOVER 0x0002 /* if sends packets w/ unknown dest. */
141	#define IFBIF_STP 0x0004 /* if participates in spanning tree */
142	#define IFBIF_SPAN 0x0008 /* if is a span port */
143	#define IFBIF_STICKY 0x0010 /* if learned addresses stick */
144	#define IFBIF_BSTP_EDGE 0x0020 /* member stp edge port */
145	#define IFBIF_BSTP_AUTOEDGE 0x0040 /* member stp autoedge enabled */
146	#define IFBIF_BSTP_PTP 0x0080 /* member stp point to point */
147	#define IFBIF_BSTP_AUTOPTP 0x0100 /* member stp autoptp enabled */
148	#define IFBIF_BSTP_ADMEDGE 0x0200 /* member stp admin edge enabled */
149	#define IFBIF_BSTP_ADMCOST 0x0400 /* member stp admin path cost */
150	#define IFBIF_PRIVATE 0x0800 /* if is a private segment */
151
152	#define IFBIFBITS "\020\001LEARNING\002DISCOVER\003STP\004SPAN" \
153	"\005STICKY\014PRIVATE\006EDGE\007AUTOEDGE\010PTP" \
154	"\011AUTOPTP"
155	#define IFBIFMASK ~(IFBIF_BSTP_EDGE\|IFBIF_BSTP_AUTOEDGE\|IFBIF_BSTP_PTP\| \
156	IFBIF_BSTP_AUTOPTP\|IFBIF_BSTP_ADMEDGE\| \
157	IFBIF_BSTP_ADMCOST) /* not saved */
158
159	/* BRDGFLUSH */
160	#define IFBF_FLUSHDYN 0x00 /* flush learned addresses only */
161	#define IFBF_FLUSHALL 0x01 /* flush all addresses */
162
163	/*
164	* Interface list structure.
165	*/
166	struct ifbifconf {
167	uint32_t ifbic_len; /* buffer size */
168	union {
169	caddr_t ifbicu_buf;
170	struct ifbreq *ifbicu_req;
171	} ifbic_ifbicu;
172	#define ifbic_buf ifbic_ifbicu.ifbicu_buf
173	#define ifbic_req ifbic_ifbicu.ifbicu_req
174	};
175
176	/*
177	* Bridge address request.
178	*/
179	struct ifbareq {
180	char ifba_ifsname[IFNAMSIZ]; /* member if name */
181	unsigned long ifba_expire; /* address expire time */
182	uint8_t ifba_flags; /* address flags */
183	uint8_t ifba_dst[ETHER_ADDR_LEN];/* destination address */
184	uint16_t ifba_vlan; /* vlan id */
185	};
186
187	#define IFBAF_TYPEMASK 0x03 /* address type mask */
188	#define IFBAF_DYNAMIC 0x00 /* dynamically learned address */
189	#define IFBAF_STATIC 0x01 /* static address */
190	#define IFBAF_STICKY 0x02 /* sticky address */
191
192	#define IFBAFBITS "\020\1STATIC\2STICKY"
193
194	/*
195	* Address list structure.
196	*/
197	struct ifbaconf {
198	uint32_t ifbac_len; /* buffer size */
199	union {
200	caddr_t ifbacu_buf;
201	struct ifbareq *ifbacu_req;
202	} ifbac_ifbacu;
203	#define ifbac_buf ifbac_ifbacu.ifbacu_buf
204	#define ifbac_req ifbac_ifbacu.ifbacu_req
205	};
206
207	/*
208	* Bridge parameter structure.
209	*/
210	struct ifbrparam {
211	union {
212	uint32_t ifbrpu_int32;
213	uint16_t ifbrpu_int16;
214	uint8_t ifbrpu_int8;
215	} ifbrp_ifbrpu;
216	};
217	#define ifbrp_csize ifbrp_ifbrpu.ifbrpu_int32 /* cache size */
218	#define ifbrp_ctime ifbrp_ifbrpu.ifbrpu_int32 /* cache time (sec) */
219	#define ifbrp_prio ifbrp_ifbrpu.ifbrpu_int16 /* bridge priority */
220	#define ifbrp_proto ifbrp_ifbrpu.ifbrpu_int8 /* bridge protocol */
221	#define ifbrp_txhc ifbrp_ifbrpu.ifbrpu_int8 /* bpdu tx holdcount */
222	#define ifbrp_hellotime ifbrp_ifbrpu.ifbrpu_int8 /* hello time (sec) */
223	#define ifbrp_fwddelay ifbrp_ifbrpu.ifbrpu_int8 /* fwd time (sec) */
224	#define ifbrp_maxage ifbrp_ifbrpu.ifbrpu_int8 /* max age (sec) */
225	#define ifbrp_cexceeded ifbrp_ifbrpu.ifbrpu_int32 /* # of cache dropped
226	* adresses */
227	/*
228	* Bridge current operational parameters structure.
229	*/
230	struct ifbropreq {
231	uint8_t ifbop_holdcount;
232	uint8_t ifbop_maxage;
233	uint8_t ifbop_hellotime;
234	uint8_t ifbop_fwddelay;
235	uint8_t ifbop_protocol;
236	uint16_t ifbop_priority;
237	uint16_t ifbop_root_port;
238	uint32_t ifbop_root_path_cost;
239	uint64_t ifbop_bridgeid;
240	uint64_t ifbop_designated_root;
241	uint64_t ifbop_designated_bridge;
242	struct timeval ifbop_last_tc_time;
243	};
244
245	/*
246	* Bridge member operational STP params structure.
247	*/
248	struct ifbpstpreq {
249	uint8_t ifbp_portno; /* bp STP port number */
250	uint32_t ifbp_fwd_trans; /* bp STP fwd transitions */
251	uint32_t ifbp_design_cost; /* bp STP designated cost */
252	uint32_t ifbp_design_port; /* bp STP designated port */
253	uint64_t ifbp_design_bridge; /* bp STP designated bridge */
254	uint64_t ifbp_design_root; /* bp STP designated root */
255	};
256
257	/*
258	* Bridge STP ports list structure.
259	*/
260	struct ifbpstpconf {
261	uint32_t ifbpstp_len; /* buffer size */
262	union {
263	caddr_t ifbpstpu_buf;
264	struct ifbpstpreq *ifbpstpu_req;
265	} ifbpstp_ifbpstpu;
266	#define ifbpstp_buf ifbpstp_ifbpstpu.ifbpstpu_buf
267	#define ifbpstp_req ifbpstp_ifbpstpu.ifbpstpu_req
268	};
269
270	#ifdef _KERNEL
271
272	#define BRIDGE_LOCK_INIT(_sc) do { \
273	mtx_init(&(_sc)->sc_mtx, "if_bridge", NULL, MTX_DEF); \
274	cv_init(&(_sc)->sc_cv, "if_bridge_cv"); \
275	} while (0)
276	#define BRIDGE_LOCK_DESTROY(_sc) do { \
277	mtx_destroy(&(_sc)->sc_mtx); \
278	cv_destroy(&(_sc)->sc_cv); \
279	} while (0)
280	#define BRIDGE_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx)
281	#define BRIDGE_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx)
282	#define BRIDGE_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->sc_mtx, MA_OWNED)
283	#define BRIDGE_UNLOCK_ASSERT(_sc) mtx_assert(&(_sc)->sc_mtx, MA_NOTOWNED)
284	#define BRIDGE_LOCK2REF(_sc, _err) do { \
285	mtx_assert(&(_sc)->sc_mtx, MA_OWNED); \
286	if ((_sc)->sc_iflist_xcnt > 0) \
287	(_err) = EBUSY; \
288	else \
289	(_sc)->sc_iflist_ref++; \
290	mtx_unlock(&(_sc)->sc_mtx); \
291	} while (0)
292	#define BRIDGE_UNREF(_sc) do { \
293	mtx_lock(&(_sc)->sc_mtx); \
294	(_sc)->sc_iflist_ref--; \
295	if (((_sc)->sc_iflist_xcnt > 0) && ((_sc)->sc_iflist_ref == 0)) \
296	cv_broadcast(&(_sc)->sc_cv); \
297	mtx_unlock(&(_sc)->sc_mtx); \
298	} while (0)
299	#define BRIDGE_XLOCK(_sc) do { \
300	mtx_assert(&(_sc)->sc_mtx, MA_OWNED); \
301	(_sc)->sc_iflist_xcnt++; \
302	while ((_sc)->sc_iflist_ref > 0) \
303	cv_wait(&(_sc)->sc_cv, &(_sc)->sc_mtx); \
304	} while (0)
305	#define BRIDGE_XDROP(_sc) do { \
306	mtx_assert(&(_sc)->sc_mtx, MA_OWNED); \
307	(_sc)->sc_iflist_xcnt--; \
308	} while (0)
309
310	#define BRIDGE_INPUT(_ifp, _m) do { \
311	KASSERT(bridge_input_p != NULL, \
312	("%s: if_bridge not loaded!", __func__)); \
313	_m = (*bridge_input_p)(_ifp, _m); \
314	if (_m != NULL) \
315	_ifp = _m->m_pkthdr.rcvif; \
316	} while (0)
317
318	#define BRIDGE_OUTPUT(_ifp, _m, _err) do { \
319	KASSERT(bridge_output_p != NULL, \
320	("%s: if_bridge not loaded!", __func__)); \
321	_err = (*bridge_output_p)(_ifp, _m, NULL, NULL); \
322	} while (0)
323
324	extern struct mbuf (bridge_input_p)(struct ifnet , struct mbuf );
325	extern int (bridge_output_p)(struct ifnet , struct mbuf *,
326	struct sockaddr , struct rtentry );
327	extern void (bridge_dn_p)(struct mbuf , struct ifnet *);
328
329	#endif /* _KERNEL */

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source: rtems-libbsd/freebsd/sys/net/if_bridgevar.h @ 09bbedc

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