131997bf2SAndrew Thompson /* $NetBSD: if_bridgevar.h,v 1.4 2003/07/08 07:13:50 itojun Exp $ */ 231997bf2SAndrew Thompson 331997bf2SAndrew Thompson /* 431997bf2SAndrew Thompson * Copyright 2001 Wasabi Systems, Inc. 531997bf2SAndrew Thompson * All rights reserved. 631997bf2SAndrew Thompson * 731997bf2SAndrew Thompson * Written by Jason R. Thorpe for Wasabi Systems, Inc. 831997bf2SAndrew Thompson * 931997bf2SAndrew Thompson * Redistribution and use in source and binary forms, with or without 1031997bf2SAndrew Thompson * modification, are permitted provided that the following conditions 1131997bf2SAndrew Thompson * are met: 1231997bf2SAndrew Thompson * 1. Redistributions of source code must retain the above copyright 1331997bf2SAndrew Thompson * notice, this list of conditions and the following disclaimer. 1431997bf2SAndrew Thompson * 2. Redistributions in binary form must reproduce the above copyright 1531997bf2SAndrew Thompson * notice, this list of conditions and the following disclaimer in the 1631997bf2SAndrew Thompson * documentation and/or other materials provided with the distribution. 1731997bf2SAndrew Thompson * 3. All advertising materials mentioning features or use of this software 1831997bf2SAndrew Thompson * must display the following acknowledgement: 1931997bf2SAndrew Thompson * This product includes software developed for the NetBSD Project by 2031997bf2SAndrew Thompson * Wasabi Systems, Inc. 2131997bf2SAndrew Thompson * 4. The name of Wasabi Systems, Inc. may not be used to endorse 2231997bf2SAndrew Thompson * or promote products derived from this software without specific prior 2331997bf2SAndrew Thompson * written permission. 2431997bf2SAndrew Thompson * 2531997bf2SAndrew Thompson * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 2631997bf2SAndrew Thompson * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 2731997bf2SAndrew Thompson * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 2831997bf2SAndrew Thompson * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 2931997bf2SAndrew Thompson * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 3031997bf2SAndrew Thompson * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 3131997bf2SAndrew Thompson * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 3231997bf2SAndrew Thompson * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 3331997bf2SAndrew Thompson * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 3431997bf2SAndrew Thompson * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 3531997bf2SAndrew Thompson * POSSIBILITY OF SUCH DAMAGE. 3631997bf2SAndrew Thompson */ 3731997bf2SAndrew Thompson 3831997bf2SAndrew Thompson /* 3931997bf2SAndrew Thompson * Copyright (c) 1999, 2000 Jason L. Wright (jason@thought.net) 4031997bf2SAndrew Thompson * All rights reserved. 4131997bf2SAndrew Thompson * 4231997bf2SAndrew Thompson * Redistribution and use in source and binary forms, with or without 4331997bf2SAndrew Thompson * modification, are permitted provided that the following conditions 4431997bf2SAndrew Thompson * are met: 4531997bf2SAndrew Thompson * 1. Redistributions of source code must retain the above copyright 4631997bf2SAndrew Thompson * notice, this list of conditions and the following disclaimer. 4731997bf2SAndrew Thompson * 2. Redistributions in binary form must reproduce the above copyright 4831997bf2SAndrew Thompson * notice, this list of conditions and the following disclaimer in the 4931997bf2SAndrew Thompson * documentation and/or other materials provided with the distribution. 5031997bf2SAndrew Thompson * 3. All advertising materials mentioning features or use of this software 5131997bf2SAndrew Thompson * must display the following acknowledgement: 5231997bf2SAndrew Thompson * This product includes software developed by Jason L. Wright 5331997bf2SAndrew Thompson * 4. The name of the author may not be used to endorse or promote products 5431997bf2SAndrew Thompson * derived from this software without specific prior written permission. 5531997bf2SAndrew Thompson * 5631997bf2SAndrew Thompson * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 5731997bf2SAndrew Thompson * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 5831997bf2SAndrew Thompson * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 5931997bf2SAndrew Thompson * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 6031997bf2SAndrew Thompson * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 6131997bf2SAndrew Thompson * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 6231997bf2SAndrew Thompson * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 6331997bf2SAndrew Thompson * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 6431997bf2SAndrew Thompson * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 6531997bf2SAndrew Thompson * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 6631997bf2SAndrew Thompson * POSSIBILITY OF SUCH DAMAGE. 6731997bf2SAndrew Thompson * 6831997bf2SAndrew Thompson * OpenBSD: if_bridge.h,v 1.14 2001/03/22 03:48:29 jason Exp 6931997bf2SAndrew Thompson * 7031997bf2SAndrew Thompson * $FreeBSD$ 7131997bf2SAndrew Thompson */ 7231997bf2SAndrew Thompson 7331997bf2SAndrew Thompson /* 7431997bf2SAndrew Thompson * Data structure and control definitions for bridge interfaces. 7531997bf2SAndrew Thompson */ 7631997bf2SAndrew Thompson 7731997bf2SAndrew Thompson #include <sys/callout.h> 7831997bf2SAndrew Thompson #include <sys/queue.h> 79fd6238a6SAndrew Thompson #include <sys/condvar.h> 8031997bf2SAndrew Thompson 8131997bf2SAndrew Thompson /* 8231997bf2SAndrew Thompson * Commands used in the SIOCSDRVSPEC ioctl. Note the lookup of the 8331997bf2SAndrew Thompson * bridge interface itself is keyed off the ifdrv structure. 8431997bf2SAndrew Thompson */ 8531997bf2SAndrew Thompson #define BRDGADD 0 /* add bridge member (ifbreq) */ 8631997bf2SAndrew Thompson #define BRDGDEL 1 /* delete bridge member (ifbreq) */ 8731997bf2SAndrew Thompson #define BRDGGIFFLGS 2 /* get member if flags (ifbreq) */ 8831997bf2SAndrew Thompson #define BRDGSIFFLGS 3 /* set member if flags (ifbreq) */ 8931997bf2SAndrew Thompson #define BRDGSCACHE 4 /* set cache size (ifbrparam) */ 9031997bf2SAndrew Thompson #define BRDGGCACHE 5 /* get cache size (ifbrparam) */ 9131997bf2SAndrew Thompson #define BRDGGIFS 6 /* get member list (ifbifconf) */ 9231997bf2SAndrew Thompson #define BRDGRTS 7 /* get address list (ifbaconf) */ 9331997bf2SAndrew Thompson #define BRDGSADDR 8 /* set static address (ifbareq) */ 9431997bf2SAndrew Thompson #define BRDGSTO 9 /* set cache timeout (ifbrparam) */ 9531997bf2SAndrew Thompson #define BRDGGTO 10 /* get cache timeout (ifbrparam) */ 9631997bf2SAndrew Thompson #define BRDGDADDR 11 /* delete address (ifbareq) */ 9731997bf2SAndrew Thompson #define BRDGFLUSH 12 /* flush address cache (ifbreq) */ 9831997bf2SAndrew Thompson 9931997bf2SAndrew Thompson #define BRDGGPRI 13 /* get priority (ifbrparam) */ 10031997bf2SAndrew Thompson #define BRDGSPRI 14 /* set priority (ifbrparam) */ 10131997bf2SAndrew Thompson #define BRDGGHT 15 /* get hello time (ifbrparam) */ 10231997bf2SAndrew Thompson #define BRDGSHT 16 /* set hello time (ifbrparam) */ 10331997bf2SAndrew Thompson #define BRDGGFD 17 /* get forward delay (ifbrparam) */ 10431997bf2SAndrew Thompson #define BRDGSFD 18 /* set forward delay (ifbrparam) */ 10531997bf2SAndrew Thompson #define BRDGGMA 19 /* get max age (ifbrparam) */ 10631997bf2SAndrew Thompson #define BRDGSMA 20 /* set max age (ifbrparam) */ 10731997bf2SAndrew Thompson #define BRDGSIFPRIO 21 /* set if priority (ifbreq) */ 10831997bf2SAndrew Thompson #define BRDGSIFCOST 22 /* set if path cost (ifbreq) */ 10991f6764eSAndrew Thompson #define BRDGADDS 23 /* add bridge span member (ifbreq) */ 11091f6764eSAndrew Thompson #define BRDGDELS 24 /* delete bridge span member (ifbreq) */ 11151383c37SAndrew Thompson #define BRDGPARAM 25 /* get bridge STP params (ifbropreq) */ 11251383c37SAndrew Thompson #define BRDGGRTE 26 /* get cache drops (ifbrparam) */ 11351383c37SAndrew Thompson #define BRDGGIFSSTP 27 /* get member STP params list 11451383c37SAndrew Thompson * (ifbpstpconf) */ 1153fab7669SAndrew Thompson #define BRDGSPROTO 28 /* set protocol (ifbrparam) */ 1163fab7669SAndrew Thompson #define BRDGSTXHC 29 /* set tx hold count (ifbrparam) */ 1173fab7669SAndrew Thompson #define BRDGSEDGE 30 /* set edge status (ifbreq) */ 1183fab7669SAndrew Thompson #define BRDGSAEDGE 31 /* set autoedge status (ifbreq) */ 11931997bf2SAndrew Thompson 12031997bf2SAndrew Thompson /* 12131997bf2SAndrew Thompson * Generic bridge control request. 12231997bf2SAndrew Thompson */ 12331997bf2SAndrew Thompson struct ifbreq { 12431997bf2SAndrew Thompson char ifbr_ifsname[IFNAMSIZ]; /* member if name */ 12531997bf2SAndrew Thompson uint32_t ifbr_ifsflags; /* member if flags */ 1263fab7669SAndrew Thompson uint32_t ifbr_stpflags; /* member if STP flags */ 1273fab7669SAndrew Thompson uint8_t ifbr_edge; /* member if STP edge */ 1283fab7669SAndrew Thompson uint8_t ifbr_autoedge; /* member if STP autoedge */ 1293fab7669SAndrew Thompson uint8_t ifbr_p2p; /* member if STP p2p */ 1303fab7669SAndrew Thompson uint32_t ifbr_path_cost; /* member if STP cost */ 13131997bf2SAndrew Thompson uint8_t ifbr_portno; /* member if port number */ 1323fab7669SAndrew Thompson uint8_t ifbr_priority; /* member if STP priority */ 1333fab7669SAndrew Thompson uint8_t ifbr_proto; /* member if STP protocol */ 1343fab7669SAndrew Thompson uint8_t ifbr_role; /* member if STP role */ 1353fab7669SAndrew Thompson uint8_t ifbr_state; /* member if STP state */ 13631997bf2SAndrew Thompson }; 13731997bf2SAndrew Thompson 13831997bf2SAndrew Thompson /* BRDGGIFFLAGS, BRDGSIFFLAGS */ 13931997bf2SAndrew Thompson #define IFBIF_LEARNING 0x01 /* if can learn */ 14031997bf2SAndrew Thompson #define IFBIF_DISCOVER 0x02 /* if sends packets w/ unknown dest. */ 14131997bf2SAndrew Thompson #define IFBIF_STP 0x04 /* if participates in spanning tree */ 14291f6764eSAndrew Thompson #define IFBIF_SPAN 0x08 /* if is a span port */ 14331997bf2SAndrew Thompson 14491f6764eSAndrew Thompson #define IFBIFBITS "\020\1LEARNING\2DISCOVER\3STP\4SPAN" 14531997bf2SAndrew Thompson 14631997bf2SAndrew Thompson /* BRDGFLUSH */ 14731997bf2SAndrew Thompson #define IFBF_FLUSHDYN 0x00 /* flush learned addresses only */ 14831997bf2SAndrew Thompson #define IFBF_FLUSHALL 0x01 /* flush all addresses */ 14931997bf2SAndrew Thompson 15031997bf2SAndrew Thompson /* 15131997bf2SAndrew Thompson * Interface list structure. 15231997bf2SAndrew Thompson */ 15331997bf2SAndrew Thompson struct ifbifconf { 15431997bf2SAndrew Thompson uint32_t ifbic_len; /* buffer size */ 15531997bf2SAndrew Thompson union { 15631997bf2SAndrew Thompson caddr_t ifbicu_buf; 15731997bf2SAndrew Thompson struct ifbreq *ifbicu_req; 15831997bf2SAndrew Thompson } ifbic_ifbicu; 15931997bf2SAndrew Thompson #define ifbic_buf ifbic_ifbicu.ifbicu_buf 16031997bf2SAndrew Thompson #define ifbic_req ifbic_ifbicu.ifbicu_req 16131997bf2SAndrew Thompson }; 16231997bf2SAndrew Thompson 16331997bf2SAndrew Thompson /* 16431997bf2SAndrew Thompson * Bridge address request. 16531997bf2SAndrew Thompson */ 16631997bf2SAndrew Thompson struct ifbareq { 16731997bf2SAndrew Thompson char ifba_ifsname[IFNAMSIZ]; /* member if name */ 16831997bf2SAndrew Thompson unsigned long ifba_expire; /* address expire time */ 16931997bf2SAndrew Thompson uint8_t ifba_flags; /* address flags */ 17031997bf2SAndrew Thompson uint8_t ifba_dst[ETHER_ADDR_LEN];/* destination address */ 17131997bf2SAndrew Thompson }; 17231997bf2SAndrew Thompson 17331997bf2SAndrew Thompson #define IFBAF_TYPEMASK 0x03 /* address type mask */ 17431997bf2SAndrew Thompson #define IFBAF_DYNAMIC 0x00 /* dynamically learned address */ 17531997bf2SAndrew Thompson #define IFBAF_STATIC 0x01 /* static address */ 17631997bf2SAndrew Thompson 17731997bf2SAndrew Thompson #define IFBAFBITS "\020\1STATIC" 17831997bf2SAndrew Thompson 17931997bf2SAndrew Thompson /* 18031997bf2SAndrew Thompson * Address list structure. 18131997bf2SAndrew Thompson */ 18231997bf2SAndrew Thompson struct ifbaconf { 18331997bf2SAndrew Thompson uint32_t ifbac_len; /* buffer size */ 18431997bf2SAndrew Thompson union { 18531997bf2SAndrew Thompson caddr_t ifbacu_buf; 18631997bf2SAndrew Thompson struct ifbareq *ifbacu_req; 18731997bf2SAndrew Thompson } ifbac_ifbacu; 18831997bf2SAndrew Thompson #define ifbac_buf ifbac_ifbacu.ifbacu_buf 18931997bf2SAndrew Thompson #define ifbac_req ifbac_ifbacu.ifbacu_req 19031997bf2SAndrew Thompson }; 19131997bf2SAndrew Thompson 19231997bf2SAndrew Thompson /* 19331997bf2SAndrew Thompson * Bridge parameter structure. 19431997bf2SAndrew Thompson */ 19531997bf2SAndrew Thompson struct ifbrparam { 19631997bf2SAndrew Thompson union { 19731997bf2SAndrew Thompson uint32_t ifbrpu_int32; 19831997bf2SAndrew Thompson uint16_t ifbrpu_int16; 19931997bf2SAndrew Thompson uint8_t ifbrpu_int8; 20031997bf2SAndrew Thompson } ifbrp_ifbrpu; 20131997bf2SAndrew Thompson }; 20231997bf2SAndrew Thompson #define ifbrp_csize ifbrp_ifbrpu.ifbrpu_int32 /* cache size */ 20331997bf2SAndrew Thompson #define ifbrp_ctime ifbrp_ifbrpu.ifbrpu_int32 /* cache time (sec) */ 20431997bf2SAndrew Thompson #define ifbrp_prio ifbrp_ifbrpu.ifbrpu_int16 /* bridge priority */ 2053fab7669SAndrew Thompson #define ifbrp_proto ifbrp_ifbrpu.ifbrpu_int8 /* bridge protocol */ 2063fab7669SAndrew Thompson #define ifbrp_txhc ifbrp_ifbrpu.ifbrpu_int8 /* bpdu tx holdcount */ 20731997bf2SAndrew Thompson #define ifbrp_hellotime ifbrp_ifbrpu.ifbrpu_int8 /* hello time (sec) */ 20831997bf2SAndrew Thompson #define ifbrp_fwddelay ifbrp_ifbrpu.ifbrpu_int8 /* fwd time (sec) */ 20931997bf2SAndrew Thompson #define ifbrp_maxage ifbrp_ifbrpu.ifbrpu_int8 /* max age (sec) */ 21051383c37SAndrew Thompson #define ifbrp_cexceeded ifbrp_ifbrpu.ifbrpu_int32 /* # of cache dropped 21151383c37SAndrew Thompson * adresses */ 21251383c37SAndrew Thompson /* 21351383c37SAndrew Thompson * Bridge current operational parameters structure. 21451383c37SAndrew Thompson */ 21551383c37SAndrew Thompson struct ifbropreq { 2163fab7669SAndrew Thompson uint8_t ifbop_holdcount; 21751383c37SAndrew Thompson uint8_t ifbop_maxage; 21851383c37SAndrew Thompson uint8_t ifbop_hellotime; 21951383c37SAndrew Thompson uint8_t ifbop_fwddelay; 2203fab7669SAndrew Thompson uint8_t ifbop_protocol; 2213fab7669SAndrew Thompson uint16_t ifbop_priority; 22251383c37SAndrew Thompson uint16_t ifbop_root_port; 22351383c37SAndrew Thompson uint32_t ifbop_root_path_cost; 22451383c37SAndrew Thompson uint64_t ifbop_designated_root; 22551383c37SAndrew Thompson struct timeval ifbop_last_tc_time; 22651383c37SAndrew Thompson }; 22751383c37SAndrew Thompson 22851383c37SAndrew Thompson /* 22951383c37SAndrew Thompson * Bridge member operational STP params structure. 23051383c37SAndrew Thompson */ 23151383c37SAndrew Thompson struct ifbpstpreq { 23251383c37SAndrew Thompson uint8_t ifbp_portno; /* bp STP port number */ 23351383c37SAndrew Thompson uint32_t ifbp_fwd_trans; /* bp STP fwd transitions */ 23451383c37SAndrew Thompson uint32_t ifbp_design_cost; /* bp STP designated cost */ 23551383c37SAndrew Thompson uint32_t ifbp_design_port; /* bp STP designated port */ 23651383c37SAndrew Thompson uint64_t ifbp_design_bridge; /* bp STP designated bridge */ 23751383c37SAndrew Thompson uint64_t ifbp_design_root; /* bp STP designated root */ 23851383c37SAndrew Thompson }; 23951383c37SAndrew Thompson 24051383c37SAndrew Thompson /* 24151383c37SAndrew Thompson * Bridge STP ports list structure. 24251383c37SAndrew Thompson */ 24351383c37SAndrew Thompson struct ifbpstpconf { 24451383c37SAndrew Thompson uint32_t ifbpstp_len; /* buffer size */ 24551383c37SAndrew Thompson union { 24651383c37SAndrew Thompson caddr_t ifbpstpu_buf; 24751383c37SAndrew Thompson struct ifbpstpreq *ifbpstpu_req; 24851383c37SAndrew Thompson } ifbpstp_ifbpstpu; 24951383c37SAndrew Thompson #define ifbpstp_buf ifbpstp_ifbpstpu.ifbpstpu_buf 25051383c37SAndrew Thompson #define ifbpstp_req ifbpstp_ifbpstpu.ifbpstpu_req 25151383c37SAndrew Thompson }; 25231997bf2SAndrew Thompson 25331997bf2SAndrew Thompson #ifdef _KERNEL 25431997bf2SAndrew Thompson 25531997bf2SAndrew Thompson #define BRIDGE_LOCK_INIT(_sc) do { \ 25631997bf2SAndrew Thompson mtx_init(&(_sc)->sc_mtx, "if_bridge", NULL, MTX_DEF); \ 25731997bf2SAndrew Thompson cv_init(&(_sc)->sc_cv, "if_bridge_cv"); \ 25831997bf2SAndrew Thompson } while (0) 25931997bf2SAndrew Thompson #define BRIDGE_LOCK_DESTROY(_sc) do { \ 26031997bf2SAndrew Thompson mtx_destroy(&(_sc)->sc_mtx); \ 26131997bf2SAndrew Thompson cv_destroy(&(_sc)->sc_cv); \ 26231997bf2SAndrew Thompson } while (0) 26331997bf2SAndrew Thompson #define BRIDGE_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx) 26431997bf2SAndrew Thompson #define BRIDGE_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx) 26531997bf2SAndrew Thompson #define BRIDGE_LOCKED(_sc) mtx_owned(&(_sc)->sc_mtx) 26631997bf2SAndrew Thompson #define BRIDGE_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->sc_mtx, MA_OWNED) 26731997bf2SAndrew Thompson #define BRIDGE_LOCK2REF(_sc, _err) do { \ 26831997bf2SAndrew Thompson mtx_assert(&(_sc)->sc_mtx, MA_OWNED); \ 26931997bf2SAndrew Thompson if ((_sc)->sc_iflist_xcnt > 0) \ 27031997bf2SAndrew Thompson (_err) = EBUSY; \ 27131997bf2SAndrew Thompson else \ 27231997bf2SAndrew Thompson (_sc)->sc_iflist_ref++; \ 27331997bf2SAndrew Thompson mtx_unlock(&(_sc)->sc_mtx); \ 27431997bf2SAndrew Thompson } while (0) 27531997bf2SAndrew Thompson #define BRIDGE_UNREF(_sc) do { \ 27631997bf2SAndrew Thompson mtx_lock(&(_sc)->sc_mtx); \ 27731997bf2SAndrew Thompson (_sc)->sc_iflist_ref--; \ 27831997bf2SAndrew Thompson if (((_sc)->sc_iflist_xcnt > 0) && ((_sc)->sc_iflist_ref == 0)) \ 27931997bf2SAndrew Thompson cv_broadcast(&(_sc)->sc_cv); \ 28031997bf2SAndrew Thompson mtx_unlock(&(_sc)->sc_mtx); \ 28131997bf2SAndrew Thompson } while (0) 28231997bf2SAndrew Thompson #define BRIDGE_XLOCK(_sc) do { \ 28331997bf2SAndrew Thompson mtx_assert(&(_sc)->sc_mtx, MA_OWNED); \ 28431997bf2SAndrew Thompson (_sc)->sc_iflist_xcnt++; \ 28531997bf2SAndrew Thompson while ((_sc)->sc_iflist_ref > 0) \ 28631997bf2SAndrew Thompson cv_wait(&(_sc)->sc_cv, &(_sc)->sc_mtx); \ 28731997bf2SAndrew Thompson } while (0) 28831997bf2SAndrew Thompson #define BRIDGE_XDROP(_sc) do { \ 28931997bf2SAndrew Thompson mtx_assert(&(_sc)->sc_mtx, MA_OWNED); \ 29031997bf2SAndrew Thompson (_sc)->sc_iflist_xcnt--; \ 29131997bf2SAndrew Thompson } while (0) 29231997bf2SAndrew Thompson 293fd6238a6SAndrew Thompson #define BRIDGE_INPUT(_ifp, _m) do { \ 294fd6238a6SAndrew Thompson KASSERT(bridge_input_p != NULL, \ 295fd6238a6SAndrew Thompson ("%s: if_bridge not loaded!", __func__)); \ 296fd6238a6SAndrew Thompson _m = (*bridge_input_p)(_ifp, _m); \ 297fd6238a6SAndrew Thompson if (_m != NULL) \ 298fd6238a6SAndrew Thompson _ifp = _m->m_pkthdr.rcvif; \ 299fd6238a6SAndrew Thompson } while (0) 300fd6238a6SAndrew Thompson 301fd6238a6SAndrew Thompson #define BRIDGE_OUTPUT(_ifp, _m, _err) do { \ 302fd6238a6SAndrew Thompson KASSERT(bridge_output_p != NULL, \ 303fd6238a6SAndrew Thompson ("%s: if_bridge not loaded!", __func__)); \ 304fd6238a6SAndrew Thompson _err = (*bridge_output_p)(_ifp, _m, NULL, NULL); \ 305fd6238a6SAndrew Thompson } while (0) 306fd6238a6SAndrew Thompson 307fd6238a6SAndrew Thompson extern struct mbuf *(*bridge_input_p)(struct ifnet *, struct mbuf *); 308fd6238a6SAndrew Thompson extern int (*bridge_output_p)(struct ifnet *, struct mbuf *, 309fd6238a6SAndrew Thompson struct sockaddr *, struct rtentry *); 310fd6238a6SAndrew Thompson extern void (*bridge_dn_p)(struct mbuf *, struct ifnet *); 31131997bf2SAndrew Thompson 31231997bf2SAndrew Thompson #endif /* _KERNEL */ 313