src/parsec/disk-image/parsec/parsec-benchmark/pkgs/libs/uptcpip/src/include/net/bsd_if_bridgevar.h - public/gem5-resources - Git at Google

 /*	$NetBSD: if_bridgevar.h,v 1.4 2003/07/08 07:13:50 itojun Exp $	*/

 /*
  * Copyright 2001 Wasabi Systems, Inc.
  * All rights reserved.
  *
  * Written by Jason R. Thorpe for Wasabi Systems, Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. All advertising materials mentioning features or use of this software
  *    must display the following acknowledgement:
  *	This product includes software developed for the NetBSD Project by
  *	Wasabi Systems, Inc.
  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
  *    or promote products derived from this software without specific prior
  *    written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  */

 /*
  * Copyright (c) 1999, 2000 Jason L. Wright (jason@thought.net)
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. All advertising materials mentioning features or use of this software
  *    must display the following acknowledgement:
  *	This product includes software developed by Jason L. Wright
  * 4. The name of the author may not be used to endorse or promote products
  *    derived from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  *
  * OpenBSD: if_bridge.h,v 1.14 2001/03/22 03:48:29 jason Exp
  *
  * $FreeBSD: src/sys/net/if_bridgevar.h,v 1.24.2.1.2.1 2009/10/25 01:10:29 kensmith Exp $
  */

 /*
  * Data structure and control definitions for bridge interfaces.
  */

 #include <sys/bsd_callout.h>
 #include <sys/bsd_queue.h>
 #include <sys/bsd_condvar.h>

 /*
  * Commands used in the SIOCSDRVSPEC ioctl.  Note the lookup of the
  * bridge interface itself is keyed off the ifdrv structure.
  */
 #define	BRDGADD			0	/* add bridge member (ifbreq) */
 #define	BRDGDEL			1	/* delete bridge member (ifbreq) */
 #define	BRDGGIFFLGS		2	/* get member if flags (ifbreq) */
 #define	BRDGSIFFLGS		3	/* set member if flags (ifbreq) */
 #define	BRDGSCACHE		4	/* set cache size (ifbrparam) */
 #define	BRDGGCACHE		5	/* get cache size (ifbrparam) */
 #define	BRDGGIFS		6	/* get member list (ifbifconf) */
 #define	BRDGRTS			7	/* get address list (ifbaconf) */
 #define	BRDGSADDR		8	/* set static address (ifbareq) */
 #define	BRDGSTO			9	/* set cache timeout (ifbrparam) */
 #define	BRDGGTO			10	/* get cache timeout (ifbrparam) */
 #define	BRDGDADDR		11	/* delete address (ifbareq) */
 #define	BRDGFLUSH		12	/* flush address cache (ifbreq) */

 #define	BRDGGPRI		13	/* get priority (ifbrparam) */
 #define	BRDGSPRI		14	/* set priority (ifbrparam) */
 #define	BRDGGHT			15	/* get hello time (ifbrparam) */
 #define	BRDGSHT			16	/* set hello time (ifbrparam) */
 #define	BRDGGFD			17	/* get forward delay (ifbrparam) */
 #define	BRDGSFD			18	/* set forward delay (ifbrparam) */
 #define	BRDGGMA			19	/* get max age (ifbrparam) */
 #define	BRDGSMA			20	/* set max age (ifbrparam) */
 #define	BRDGSIFPRIO		21	/* set if priority (ifbreq) */
 #define	BRDGSIFCOST		22	/* set if path cost (ifbreq) */
 #define	BRDGADDS		23	/* add bridge span member (ifbreq) */
 #define	BRDGDELS		24	/* delete bridge span member (ifbreq) */
 #define	BRDGPARAM		25	/* get bridge STP params (ifbropreq) */
 #define	BRDGGRTE		26	/* get cache drops (ifbrparam) */
 #define	BRDGGIFSSTP		27	/* get member STP params list
 					 * (ifbpstpconf) */
 #define	BRDGSPROTO		28	/* set protocol (ifbrparam) */
 #define	BRDGSTXHC		29	/* set tx hold count (ifbrparam) */
 #define	BRDGSIFAMAX		30	/* set max interface addrs (ifbreq) */

 /*
  * Generic bridge control request.
  */
 struct ifbreq {
 	char		ifbr_ifsname[IFNAMSIZ];	/* member if name */
 	uint32_t	ifbr_ifsflags;		/* member if flags */
 	uint32_t	ifbr_stpflags;		/* member if STP flags */
 	uint32_t	ifbr_path_cost;		/* member if STP cost */
 	uint8_t		ifbr_portno;		/* member if port number */
 	uint8_t		ifbr_priority;		/* member if STP priority */
 	uint8_t		ifbr_proto;		/* member if STP protocol */
 	uint8_t		ifbr_role;		/* member if STP role */
 	uint8_t		ifbr_state;		/* member if STP state */
 	uint32_t	ifbr_addrcnt;		/* member if addr number */
 	uint32_t	ifbr_addrmax;		/* member if addr max */
 	uint32_t	ifbr_addrexceeded;	/* member if addr violations */
 	uint8_t		pad[32];
 };

 /* BRDGGIFFLAGS, BRDGSIFFLAGS */
 #define	IFBIF_LEARNING		0x0001	/* if can learn */
 #define	IFBIF_DISCOVER		0x0002	/* if sends packets w/ unknown dest. */
 #define	IFBIF_STP		0x0004	/* if participates in spanning tree */
 #define	IFBIF_SPAN		0x0008	/* if is a span port */
 #define	IFBIF_STICKY		0x0010	/* if learned addresses stick */
 #define	IFBIF_BSTP_EDGE		0x0020	/* member stp edge port */
 #define	IFBIF_BSTP_AUTOEDGE	0x0040	/* member stp autoedge enabled */
 #define	IFBIF_BSTP_PTP		0x0080	/* member stp point to point */
 #define	IFBIF_BSTP_AUTOPTP	0x0100	/* member stp autoptp enabled */
 #define	IFBIF_BSTP_ADMEDGE	0x0200	/* member stp admin edge enabled */
 #define	IFBIF_BSTP_ADMCOST	0x0400	/* member stp admin path cost */
 #define	IFBIF_PRIVATE		0x0800	/* if is a private segment */

 #define	IFBIFBITS	"\020\001LEARNING\002DISCOVER\003STP\004SPAN" \
 			"\005STICKY\014PRIVATE\006EDGE\007AUTOEDGE\010PTP" \
 			"\011AUTOPTP"
 #define	IFBIFMASK	~(IFBIF_BSTP_EDGE|IFBIF_BSTP_AUTOEDGE|IFBIF_BSTP_PTP| \
 			IFBIF_BSTP_AUTOPTP|IFBIF_BSTP_ADMEDGE| \
 			IFBIF_BSTP_ADMCOST)	/* not saved */

 /* BRDGFLUSH */
 #define	IFBF_FLUSHDYN		0x00	/* flush learned addresses only */
 #define	IFBF_FLUSHALL		0x01	/* flush all addresses */

 /*
  * Interface list structure.
  */
 struct ifbifconf {
 	uint32_t	ifbic_len;	/* buffer size */
 	union {
 		caddr_t	ifbicu_buf;
 		struct ifbreq *ifbicu_req;
 	} ifbic_ifbicu;
 #define	ifbic_buf	ifbic_ifbicu.ifbicu_buf
 #define	ifbic_req	ifbic_ifbicu.ifbicu_req
 };

 /*
  * Bridge address request.
  */
 struct ifbareq {
 	char		ifba_ifsname[IFNAMSIZ];	/* member if name */
 	unsigned long	ifba_expire;		/* address expire time */
 	uint8_t		ifba_flags;		/* address flags */
 	uint8_t		ifba_dst[ETHER_ADDR_LEN];/* destination address */
 	uint16_t	ifba_vlan;		/* vlan id */
 };

 #define	IFBAF_TYPEMASK	0x03	/* address type mask */
 #define	IFBAF_DYNAMIC	0x00	/* dynamically learned address */
 #define	IFBAF_STATIC	0x01	/* static address */
 #define	IFBAF_STICKY	0x02	/* sticky address */

 #define	IFBAFBITS	"\020\1STATIC\2STICKY"

 /*
  * Address list structure.
  */
 struct ifbaconf {
 	uint32_t	ifbac_len;	/* buffer size */
 	union {
 		caddr_t ifbacu_buf;
 		struct ifbareq *ifbacu_req;
 	} ifbac_ifbacu;
 #define	ifbac_buf	ifbac_ifbacu.ifbacu_buf
 #define	ifbac_req	ifbac_ifbacu.ifbacu_req
 };

 /*
  * Bridge parameter structure.
  */
 struct ifbrparam {
 	union {
 		uint32_t ifbrpu_int32;
 		uint16_t ifbrpu_int16;
 		uint8_t ifbrpu_int8;
 	} ifbrp_ifbrpu;
 };
 #define	ifbrp_csize	ifbrp_ifbrpu.ifbrpu_int32	/* cache size */
 #define	ifbrp_ctime	ifbrp_ifbrpu.ifbrpu_int32	/* cache time (sec) */
 #define	ifbrp_prio	ifbrp_ifbrpu.ifbrpu_int16	/* bridge priority */
 #define	ifbrp_proto	ifbrp_ifbrpu.ifbrpu_int8	/* bridge protocol */
 #define	ifbrp_txhc	ifbrp_ifbrpu.ifbrpu_int8	/* bpdu tx holdcount */
 #define	ifbrp_hellotime	ifbrp_ifbrpu.ifbrpu_int8	/* hello time (sec) */
 #define	ifbrp_fwddelay	ifbrp_ifbrpu.ifbrpu_int8	/* fwd time (sec) */
 #define	ifbrp_maxage	ifbrp_ifbrpu.ifbrpu_int8	/* max age (sec) */
 #define	ifbrp_cexceeded ifbrp_ifbrpu.ifbrpu_int32	/* # of cache dropped
 							 * adresses */
 /*
  * Bridge current operational parameters structure.
  */
 struct ifbropreq {
 	uint8_t		ifbop_holdcount;
 	uint8_t		ifbop_maxage;
 	uint8_t		ifbop_hellotime;
 	uint8_t		ifbop_fwddelay;
 	uint8_t		ifbop_protocol;
 	uint16_t	ifbop_priority;
 	uint16_t	ifbop_root_port;
 	uint32_t	ifbop_root_path_cost;
 	uint64_t	ifbop_bridgeid;
 	uint64_t	ifbop_designated_root;
 	uint64_t	ifbop_designated_bridge;
 	struct timeval	ifbop_last_tc_time;
 };

 /*
  * Bridge member operational STP params structure.
  */
 struct ifbpstpreq {
 	uint8_t		ifbp_portno;		/* bp STP port number */
 	uint32_t	ifbp_fwd_trans;		/* bp STP fwd transitions */
 	uint32_t	ifbp_design_cost;	/* bp STP designated cost */
 	uint32_t	ifbp_design_port;	/* bp STP designated port */
 	uint64_t	ifbp_design_bridge;	/* bp STP designated bridge */
 	uint64_t	ifbp_design_root;	/* bp STP designated root */
 };

 /*
  * Bridge STP ports list structure.
  */
 struct ifbpstpconf {
 	uint32_t	ifbpstp_len;	/* buffer size */
 	union {
 		caddr_t	ifbpstpu_buf;
 		struct ifbpstpreq *ifbpstpu_req;
 	} ifbpstp_ifbpstpu;
 #define	ifbpstp_buf	ifbpstp_ifbpstpu.ifbpstpu_buf
 #define	ifbpstp_req	ifbpstp_ifbpstpu.ifbpstpu_req
 };

 #ifdef _FREEBSD_KERNEL

 #define BRIDGE_LOCK_INIT(_sc)		do {			\
 	mtx_init(&(_sc)->sc_mtx, "if_bridge", NULL, MTX_DEF);	\
 	cv_init(&(_sc)->sc_cv, "if_bridge_cv");			\
 } while (0)
 #define BRIDGE_LOCK_DESTROY(_sc)	do {	\
 	mtx_destroy(&(_sc)->sc_mtx);		\
 	cv_destroy(&(_sc)->sc_cv);		\
 } while (0)
 #define BRIDGE_LOCK(_sc)		mtx_lock(&(_sc)->sc_mtx)
 #define BRIDGE_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_mtx)
 #define BRIDGE_LOCK_ASSERT(_sc)		mtx_assert(&(_sc)->sc_mtx, MA_OWNED)
 #define	BRIDGE_LOCK2REF(_sc, _err)	do {	\
 	mtx_assert(&(_sc)->sc_mtx, MA_OWNED);	\
 	if ((_sc)->sc_iflist_xcnt > 0)		\
 		(_err) = EBUSY;			\
 	else					\
 		(_sc)->sc_iflist_ref++;		\
 	mtx_unlock(&(_sc)->sc_mtx);		\
 } while (0)
 #define	BRIDGE_UNREF(_sc)		do {				\
 	mtx_lock(&(_sc)->sc_mtx);					\
 	(_sc)->sc_iflist_ref--;						\
 	if (((_sc)->sc_iflist_xcnt > 0) && ((_sc)->sc_iflist_ref == 0))	\
 		cv_broadcast(&(_sc)->sc_cv);				\
 	mtx_unlock(&(_sc)->sc_mtx);					\
 } while (0)
 #define	BRIDGE_XLOCK(_sc)		do {		\
 	mtx_assert(&(_sc)->sc_mtx, MA_OWNED);		\
 	(_sc)->sc_iflist_xcnt++;			\
 	while ((_sc)->sc_iflist_ref > 0)		\
 		cv_wait(&(_sc)->sc_cv, &(_sc)->sc_mtx);	\
 } while (0)
 #define	BRIDGE_XDROP(_sc)		do {	\
 	mtx_assert(&(_sc)->sc_mtx, MA_OWNED);	\
 	(_sc)->sc_iflist_xcnt--;		\
 } while (0)

 #define BRIDGE_INPUT(_ifp, _m)		do {    	\
 	KASSERT(bridge_input_p != NULL,			\
 	    ("%s: if_bridge not loaded!", __func__));	\
 	_m = (*bridge_input_p)(_ifp, _m);		\
 	if (_m != NULL)					\
 		_ifp = _m->m_pkthdr.rcvif;		\
 } while (0)

 #define BRIDGE_OUTPUT(_ifp, _m, _err)	do {    		\
 	KASSERT(bridge_output_p != NULL,			\
 	    ("%s: if_bridge not loaded!", __func__));		\
 	_err = (*bridge_output_p)(_ifp, _m, NULL, NULL);	\
 } while (0)

 extern	struct mbuf *(*bridge_input_p)(struct ifnet *, struct mbuf *);
 extern	int (*bridge_output_p)(struct ifnet *, struct mbuf *,
 		struct sockaddr *, struct rtentry *);
 extern	void (*bridge_dn_p)(struct mbuf *, struct ifnet *);

 #endif /* _FREEBSD_KERNEL */
	/* $NetBSD: if_bridgevar.h,v 1.4 2003/07/08 07:13:50 itojun Exp $ */

	/*
	* Copyright 2001 Wasabi Systems, Inc.
	* All rights reserved.
	*
	* Written by Jason R. Thorpe for Wasabi Systems, Inc.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.
	* 3. All advertising materials mentioning features or use of this software
	* must display the following acknowledgement:
	* This product includes software developed for the NetBSD Project by
	* Wasabi Systems, Inc.
	* 4. The name of Wasabi Systems, Inc. may not be used to endorse
	* or promote products derived from this software without specific prior
	* written permission.
	*
	* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
	* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	* POSSIBILITY OF SUCH DAMAGE.
	*/

	/*
	* Copyright (c) 1999, 2000 Jason L. Wright (jason@thought.net)
	* All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.
	* 3. All advertising materials mentioning features or use of this software
	* must display the following acknowledgement:
	* This product includes software developed by Jason L. Wright
	* 4. The name of the author may not be used to endorse or promote products
	* derived from this software without specific prior written permission.
	*
	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
	* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
	* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
	* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
	* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
	* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
	* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	* POSSIBILITY OF SUCH DAMAGE.
	*
	* OpenBSD: if_bridge.h,v 1.14 2001/03/22 03:48:29 jason Exp
	*
	* $FreeBSD: src/sys/net/if_bridgevar.h,v 1.24.2.1.2.1 2009/10/25 01:10:29 kensmith Exp $
	*/

	/*
	* Data structure and control definitions for bridge interfaces.
	*/

	#include <sys/bsd_callout.h>
	#include <sys/bsd_queue.h>
	#include <sys/bsd_condvar.h>

	/*
	* Commands used in the SIOCSDRVSPEC ioctl. Note the lookup of the
	* bridge interface itself is keyed off the ifdrv structure.
	*/
	#define BRDGADD 0 /* add bridge member (ifbreq) */
	#define BRDGDEL 1 /* delete bridge member (ifbreq) */
	#define BRDGGIFFLGS 2 /* get member if flags (ifbreq) */
	#define BRDGSIFFLGS 3 /* set member if flags (ifbreq) */
	#define BRDGSCACHE 4 /* set cache size (ifbrparam) */
	#define BRDGGCACHE 5 /* get cache size (ifbrparam) */
	#define BRDGGIFS 6 /* get member list (ifbifconf) */
	#define BRDGRTS 7 /* get address list (ifbaconf) */
	#define BRDGSADDR 8 /* set static address (ifbareq) */
	#define BRDGSTO 9 /* set cache timeout (ifbrparam) */
	#define BRDGGTO 10 /* get cache timeout (ifbrparam) */
	#define BRDGDADDR 11 /* delete address (ifbareq) */
	#define BRDGFLUSH 12 /* flush address cache (ifbreq) */

	#define BRDGGPRI 13 /* get priority (ifbrparam) */
	#define BRDGSPRI 14 /* set priority (ifbrparam) */
	#define BRDGGHT 15 /* get hello time (ifbrparam) */
	#define BRDGSHT 16 /* set hello time (ifbrparam) */
	#define BRDGGFD 17 /* get forward delay (ifbrparam) */
	#define BRDGSFD 18 /* set forward delay (ifbrparam) */
	#define BRDGGMA 19 /* get max age (ifbrparam) */
	#define BRDGSMA 20 /* set max age (ifbrparam) */
	#define BRDGSIFPRIO 21 /* set if priority (ifbreq) */
	#define BRDGSIFCOST 22 /* set if path cost (ifbreq) */
	#define BRDGADDS 23 /* add bridge span member (ifbreq) */
	#define BRDGDELS 24 /* delete bridge span member (ifbreq) */
	#define BRDGPARAM 25 /* get bridge STP params (ifbropreq) */
	#define BRDGGRTE 26 /* get cache drops (ifbrparam) */
	#define BRDGGIFSSTP 27 /* get member STP params list
	* (ifbpstpconf) */
	#define BRDGSPROTO 28 /* set protocol (ifbrparam) */
	#define BRDGSTXHC 29 /* set tx hold count (ifbrparam) */
	#define BRDGSIFAMAX 30 /* set max interface addrs (ifbreq) */

	/*
	* Generic bridge control request.
	*/
	struct ifbreq {
	char ifbr_ifsname[IFNAMSIZ]; /* member if name */
	uint32_t ifbr_ifsflags; /* member if flags */
	uint32_t ifbr_stpflags; /* member if STP flags */
	uint32_t ifbr_path_cost; /* member if STP cost */
	uint8_t ifbr_portno; /* member if port number */
	uint8_t ifbr_priority; /* member if STP priority */
	uint8_t ifbr_proto; /* member if STP protocol */
	uint8_t ifbr_role; /* member if STP role */
	uint8_t ifbr_state; /* member if STP state */
	uint32_t ifbr_addrcnt; /* member if addr number */
	uint32_t ifbr_addrmax; /* member if addr max */
	uint32_t ifbr_addrexceeded; /* member if addr violations */
	uint8_t pad[32];
	};

	/* BRDGGIFFLAGS, BRDGSIFFLAGS */
	#define IFBIF_LEARNING 0x0001 /* if can learn */
	#define IFBIF_DISCOVER 0x0002 /* if sends packets w/ unknown dest. */
	#define IFBIF_STP 0x0004 /* if participates in spanning tree */
	#define IFBIF_SPAN 0x0008 /* if is a span port */
	#define IFBIF_STICKY 0x0010 /* if learned addresses stick */
	#define IFBIF_BSTP_EDGE 0x0020 /* member stp edge port */
	#define IFBIF_BSTP_AUTOEDGE 0x0040 /* member stp autoedge enabled */
	#define IFBIF_BSTP_PTP 0x0080 /* member stp point to point */
	#define IFBIF_BSTP_AUTOPTP 0x0100 /* member stp autoptp enabled */
	#define IFBIF_BSTP_ADMEDGE 0x0200 /* member stp admin edge enabled */
	#define IFBIF_BSTP_ADMCOST 0x0400 /* member stp admin path cost */
	#define IFBIF_PRIVATE 0x0800 /* if is a private segment */

	#define IFBIFBITS "\020\001LEARNING\002DISCOVER\003STP\004SPAN" \
	"\005STICKY\014PRIVATE\006EDGE\007AUTOEDGE\010PTP" \
	"\011AUTOPTP"
	#define IFBIFMASK ~(IFBIF_BSTP_EDGE\|IFBIF_BSTP_AUTOEDGE\|IFBIF_BSTP_PTP\| \
	IFBIF_BSTP_AUTOPTP\|IFBIF_BSTP_ADMEDGE\| \
	IFBIF_BSTP_ADMCOST) /* not saved */

	/* BRDGFLUSH */
	#define IFBF_FLUSHDYN 0x00 /* flush learned addresses only */
	#define IFBF_FLUSHALL 0x01 /* flush all addresses */

	/*
	* Interface list structure.
	*/
	struct ifbifconf {
	uint32_t ifbic_len; /* buffer size */
	union {
	caddr_t ifbicu_buf;
	struct ifbreq *ifbicu_req;
	} ifbic_ifbicu;
	#define ifbic_buf ifbic_ifbicu.ifbicu_buf
	#define ifbic_req ifbic_ifbicu.ifbicu_req
	};

	/*
	* Bridge address request.
	*/
	struct ifbareq {
	char ifba_ifsname[IFNAMSIZ]; /* member if name */
	unsigned long ifba_expire; /* address expire time */
	uint8_t ifba_flags; /* address flags */
	uint8_t ifba_dst[ETHER_ADDR_LEN];/* destination address */
	uint16_t ifba_vlan; /* vlan id */
	};

	#define IFBAF_TYPEMASK 0x03 /* address type mask */
	#define IFBAF_DYNAMIC 0x00 /* dynamically learned address */
	#define IFBAF_STATIC 0x01 /* static address */
	#define IFBAF_STICKY 0x02 /* sticky address */

	#define IFBAFBITS "\020\1STATIC\2STICKY"

	/*
	* Address list structure.
	*/
	struct ifbaconf {
	uint32_t ifbac_len; /* buffer size */
	union {
	caddr_t ifbacu_buf;
	struct ifbareq *ifbacu_req;
	} ifbac_ifbacu;
	#define ifbac_buf ifbac_ifbacu.ifbacu_buf
	#define ifbac_req ifbac_ifbacu.ifbacu_req
	};

	/*
	* Bridge parameter structure.
	*/
	struct ifbrparam {
	union {
	uint32_t ifbrpu_int32;
	uint16_t ifbrpu_int16;
	uint8_t ifbrpu_int8;
	} ifbrp_ifbrpu;
	};
	#define ifbrp_csize ifbrp_ifbrpu.ifbrpu_int32 /* cache size */
	#define ifbrp_ctime ifbrp_ifbrpu.ifbrpu_int32 /* cache time (sec) */
	#define ifbrp_prio ifbrp_ifbrpu.ifbrpu_int16 /* bridge priority */
	#define ifbrp_proto ifbrp_ifbrpu.ifbrpu_int8 /* bridge protocol */
	#define ifbrp_txhc ifbrp_ifbrpu.ifbrpu_int8 /* bpdu tx holdcount */
	#define ifbrp_hellotime ifbrp_ifbrpu.ifbrpu_int8 /* hello time (sec) */
	#define ifbrp_fwddelay ifbrp_ifbrpu.ifbrpu_int8 /* fwd time (sec) */
	#define ifbrp_maxage ifbrp_ifbrpu.ifbrpu_int8 /* max age (sec) */
	#define ifbrp_cexceeded ifbrp_ifbrpu.ifbrpu_int32 /* # of cache dropped
	* adresses */
	/*
	* Bridge current operational parameters structure.
	*/
	struct ifbropreq {
	uint8_t ifbop_holdcount;
	uint8_t ifbop_maxage;
	uint8_t ifbop_hellotime;
	uint8_t ifbop_fwddelay;
	uint8_t ifbop_protocol;
	uint16_t ifbop_priority;
	uint16_t ifbop_root_port;
	uint32_t ifbop_root_path_cost;
	uint64_t ifbop_bridgeid;
	uint64_t ifbop_designated_root;
	uint64_t ifbop_designated_bridge;
	struct timeval ifbop_last_tc_time;
	};

	/*
	* Bridge member operational STP params structure.
	*/
	struct ifbpstpreq {
	uint8_t ifbp_portno; /* bp STP port number */
	uint32_t ifbp_fwd_trans; /* bp STP fwd transitions */
	uint32_t ifbp_design_cost; /* bp STP designated cost */
	uint32_t ifbp_design_port; /* bp STP designated port */
	uint64_t ifbp_design_bridge; /* bp STP designated bridge */
	uint64_t ifbp_design_root; /* bp STP designated root */
	};

	/*
	* Bridge STP ports list structure.
	*/
	struct ifbpstpconf {
	uint32_t ifbpstp_len; /* buffer size */
	union {
	caddr_t ifbpstpu_buf;
	struct ifbpstpreq *ifbpstpu_req;
	} ifbpstp_ifbpstpu;
	#define ifbpstp_buf ifbpstp_ifbpstpu.ifbpstpu_buf
	#define ifbpstp_req ifbpstp_ifbpstpu.ifbpstpu_req
	};

	#ifdef _FREEBSD_KERNEL

	#define BRIDGE_LOCK_INIT(_sc) do { \
	mtx_init(&(_sc)->sc_mtx, "if_bridge", NULL, MTX_DEF); \
	cv_init(&(_sc)->sc_cv, "if_bridge_cv"); \
	} while (0)
	#define BRIDGE_LOCK_DESTROY(_sc) do { \
	mtx_destroy(&(_sc)->sc_mtx); \
	cv_destroy(&(_sc)->sc_cv); \
	} while (0)
	#define BRIDGE_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx)
	#define BRIDGE_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx)
	#define BRIDGE_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->sc_mtx, MA_OWNED)
	#define BRIDGE_LOCK2REF(_sc, _err) do { \
	mtx_assert(&(_sc)->sc_mtx, MA_OWNED); \
	if ((_sc)->sc_iflist_xcnt > 0) \
	(_err) = EBUSY; \
	else \
	(_sc)->sc_iflist_ref++; \
	mtx_unlock(&(_sc)->sc_mtx); \
	} while (0)
	#define BRIDGE_UNREF(_sc) do { \
	mtx_lock(&(_sc)->sc_mtx); \
	(_sc)->sc_iflist_ref--; \
	if (((_sc)->sc_iflist_xcnt > 0) && ((_sc)->sc_iflist_ref == 0)) \
	cv_broadcast(&(_sc)->sc_cv); \
	mtx_unlock(&(_sc)->sc_mtx); \
	} while (0)
	#define BRIDGE_XLOCK(_sc) do { \
	mtx_assert(&(_sc)->sc_mtx, MA_OWNED); \
	(_sc)->sc_iflist_xcnt++; \
	while ((_sc)->sc_iflist_ref > 0) \
	cv_wait(&(_sc)->sc_cv, &(_sc)->sc_mtx); \
	} while (0)
	#define BRIDGE_XDROP(_sc) do { \
	mtx_assert(&(_sc)->sc_mtx, MA_OWNED); \
	(_sc)->sc_iflist_xcnt--; \
	} while (0)

	#define BRIDGE_INPUT(_ifp, _m) do { \
	KASSERT(bridge_input_p != NULL, \
	("%s: if_bridge not loaded!", __func__)); \
	_m = (*bridge_input_p)(_ifp, _m); \
	if (_m != NULL) \
	_ifp = _m->m_pkthdr.rcvif; \
	} while (0)

	#define BRIDGE_OUTPUT(_ifp, _m, _err) do { \
	KASSERT(bridge_output_p != NULL, \
	("%s: if_bridge not loaded!", __func__)); \
	_err = (*bridge_output_p)(_ifp, _m, NULL, NULL); \
	} while (0)

	extern struct mbuf (bridge_input_p)(struct ifnet , struct mbuf );
	extern int (bridge_output_p)(struct ifnet , struct mbuf *,
	struct sockaddr , struct rtentry );
	extern void (bridge_dn_p)(struct mbuf , struct ifnet *);

	#endif /* _FREEBSD_KERNEL */