bridgestp.h revision 164626
1160703Sthompsa/* $NetBSD: if_bridgevar.h,v 1.4 2003/07/08 07:13:50 itojun Exp $ */ 2160703Sthompsa 3160703Sthompsa/* 4160703Sthompsa * Copyright 2001 Wasabi Systems, Inc. 5160703Sthompsa * All rights reserved. 6160703Sthompsa * 7160703Sthompsa * Written by Jason R. Thorpe for Wasabi Systems, Inc. 8160703Sthompsa * 9160703Sthompsa * Redistribution and use in source and binary forms, with or without 10160703Sthompsa * modification, are permitted provided that the following conditions 11160703Sthompsa * are met: 12160703Sthompsa * 1. Redistributions of source code must retain the above copyright 13160703Sthompsa * notice, this list of conditions and the following disclaimer. 14160703Sthompsa * 2. Redistributions in binary form must reproduce the above copyright 15160703Sthompsa * notice, this list of conditions and the following disclaimer in the 16160703Sthompsa * documentation and/or other materials provided with the distribution. 17160703Sthompsa * 3. All advertising materials mentioning features or use of this software 18160703Sthompsa * must display the following acknowledgement: 19160703Sthompsa * This product includes software developed for the NetBSD Project by 20160703Sthompsa * Wasabi Systems, Inc. 21160703Sthompsa * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22160703Sthompsa * or promote products derived from this software without specific prior 23160703Sthompsa * written permission. 24160703Sthompsa * 25160703Sthompsa * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26160703Sthompsa * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27160703Sthompsa * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28160703Sthompsa * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29160703Sthompsa * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30160703Sthompsa * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31160703Sthompsa * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32160703Sthompsa * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33160703Sthompsa * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34160703Sthompsa * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35160703Sthompsa * POSSIBILITY OF SUCH DAMAGE. 36160703Sthompsa */ 37160703Sthompsa 38160703Sthompsa/* 39160703Sthompsa * Copyright (c) 1999, 2000 Jason L. Wright (jason@thought.net) 40160703Sthompsa * All rights reserved. 41160703Sthompsa * 42160703Sthompsa * Redistribution and use in source and binary forms, with or without 43160703Sthompsa * modification, are permitted provided that the following conditions 44160703Sthompsa * are met: 45160703Sthompsa * 1. Redistributions of source code must retain the above copyright 46160703Sthompsa * notice, this list of conditions and the following disclaimer. 47160703Sthompsa * 2. Redistributions in binary form must reproduce the above copyright 48160703Sthompsa * notice, this list of conditions and the following disclaimer in the 49160703Sthompsa * documentation and/or other materials provided with the distribution. 50160703Sthompsa * 3. All advertising materials mentioning features or use of this software 51160703Sthompsa * must display the following acknowledgement: 52160703Sthompsa * This product includes software developed by Jason L. Wright 53160703Sthompsa * 4. The name of the author may not be used to endorse or promote products 54160703Sthompsa * derived from this software without specific prior written permission. 55160703Sthompsa * 56160703Sthompsa * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 57160703Sthompsa * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 58160703Sthompsa * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 59160703Sthompsa * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 60160703Sthompsa * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 61160703Sthompsa * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 62160703Sthompsa * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 63160703Sthompsa * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 64160703Sthompsa * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 65160703Sthompsa * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 66160703Sthompsa * POSSIBILITY OF SUCH DAMAGE. 67160703Sthompsa * 68160703Sthompsa * OpenBSD: if_bridge.h,v 1.14 2001/03/22 03:48:29 jason Exp 69160703Sthompsa * 70160703Sthompsa * $FreeBSD: head/sys/net/bridgestp.h 164626 2006-11-26 18:43:48Z thompsa $ 71160703Sthompsa */ 72160703Sthompsa 73160703Sthompsa/* 74160703Sthompsa * Data structure and control definitions for STP interfaces. 75160703Sthompsa */ 76160703Sthompsa 77160703Sthompsa#include <sys/callout.h> 78160703Sthompsa#include <sys/queue.h> 79160703Sthompsa 80160703Sthompsa/* STP port states */ 81160703Sthompsa#define BSTP_IFSTATE_DISABLED 0 82160703Sthompsa#define BSTP_IFSTATE_LISTENING 1 83160703Sthompsa#define BSTP_IFSTATE_LEARNING 2 84160703Sthompsa#define BSTP_IFSTATE_FORWARDING 3 85160703Sthompsa#define BSTP_IFSTATE_BLOCKING 4 86163863Sthompsa#define BSTP_IFSTATE_DISCARDING 5 87160703Sthompsa 88163863Sthompsa#define BSTP_TCSTATE_ACTIVE 1 89163863Sthompsa#define BSTP_TCSTATE_DETECTED 2 90163863Sthompsa#define BSTP_TCSTATE_INACTIVE 3 91163863Sthompsa#define BSTP_TCSTATE_LEARNING 4 92163863Sthompsa#define BSTP_TCSTATE_PROPAG 5 93163863Sthompsa#define BSTP_TCSTATE_ACK 6 94163863Sthompsa#define BSTP_TCSTATE_TC 7 95163863Sthompsa#define BSTP_TCSTATE_TCN 8 96163863Sthompsa 97163863Sthompsa#define BSTP_ROLE_DISABLED 0 98163863Sthompsa#define BSTP_ROLE_ROOT 1 99163863Sthompsa#define BSTP_ROLE_DESIGNATED 2 100163863Sthompsa#define BSTP_ROLE_ALTERNATE 3 101163863Sthompsa#define BSTP_ROLE_BACKUP 4 102163863Sthompsa 103160703Sthompsa#ifdef _KERNEL 104160703Sthompsa 105163863Sthompsa/* STP port flags */ 106163863Sthompsa#define BSTP_PORT_CANMIGRATE 0x0001 107163863Sthompsa#define BSTP_PORT_NEWINFO 0x0002 108163863Sthompsa#define BSTP_PORT_DISPUTED 0x0004 109163863Sthompsa#define BSTP_PORT_ADMCOST 0x0008 110163863Sthompsa#define BSTP_PORT_AUTOEDGE 0x0010 111163863Sthompsa 112163863Sthompsa/* BPDU priority */ 113163863Sthompsa#define BSTP_PDU_SUPERIOR 1 114163863Sthompsa#define BSTP_PDU_REPEATED 2 115163863Sthompsa#define BSTP_PDU_INFERIOR 3 116163863Sthompsa#define BSTP_PDU_INFERIORALT 4 117163863Sthompsa#define BSTP_PDU_OTHER 5 118163863Sthompsa 119163863Sthompsa/* BPDU flags */ 120163863Sthompsa#define BSTP_PDU_PRMASK 0x0c /* Port Role */ 121163863Sthompsa#define BSTP_PDU_PRSHIFT 2 /* Port Role offset */ 122163863Sthompsa#define BSTP_PDU_F_UNKN 0x00 /* Unknown port (00) */ 123163863Sthompsa#define BSTP_PDU_F_ALT 0x01 /* Alt/Backup port (01) */ 124163863Sthompsa#define BSTP_PDU_F_ROOT 0x02 /* Root port (10) */ 125163863Sthompsa#define BSTP_PDU_F_DESG 0x03 /* Designated port (11) */ 126163863Sthompsa 127163863Sthompsa#define BSTP_PDU_STPMASK 0x81 /* strip unused STP flags */ 128163863Sthompsa#define BSTP_PDU_RSTPMASK 0x7f /* strip unused RSTP flags */ 129163863Sthompsa#define BSTP_PDU_F_TC 0x01 /* Topology change */ 130163863Sthompsa#define BSTP_PDU_F_P 0x02 /* Proposal flag */ 131163863Sthompsa#define BSTP_PDU_F_L 0x10 /* Learning flag */ 132163863Sthompsa#define BSTP_PDU_F_F 0x20 /* Forwarding flag */ 133163863Sthompsa#define BSTP_PDU_F_A 0x40 /* Agreement flag */ 134163863Sthompsa#define BSTP_PDU_F_TCA 0x80 /* Topology change ack */ 135163863Sthompsa 136160703Sthompsa/* 137160703Sthompsa * Spanning tree defaults. 138160703Sthompsa */ 139160703Sthompsa#define BSTP_DEFAULT_MAX_AGE (20 * 256) 140160703Sthompsa#define BSTP_DEFAULT_HELLO_TIME (2 * 256) 141160703Sthompsa#define BSTP_DEFAULT_FORWARD_DELAY (15 * 256) 142160703Sthompsa#define BSTP_DEFAULT_HOLD_TIME (1 * 256) 143163863Sthompsa#define BSTP_DEFAULT_MIGRATE_DELAY (3 * 256) 144163863Sthompsa#define BSTP_DEFAULT_HOLD_COUNT 6 145160703Sthompsa#define BSTP_DEFAULT_BRIDGE_PRIORITY 0x8000 146160703Sthompsa#define BSTP_DEFAULT_PORT_PRIORITY 0x80 147160703Sthompsa#define BSTP_DEFAULT_PATH_COST 55 148163863Sthompsa#define BSTP_MIN_HELLO_TIME (1 * 256) 149163863Sthompsa#define BSTP_MIN_MAX_AGE (6 * 256) 150163863Sthompsa#define BSTP_MIN_FORWARD_DELAY (4 * 256) 151163863Sthompsa#define BSTP_MIN_HOLD_COUNT 1 152163863Sthompsa#define BSTP_MAX_HELLO_TIME (2 * 256) 153163863Sthompsa#define BSTP_MAX_MAX_AGE (40 * 256) 154163863Sthompsa#define BSTP_MAX_FORWARD_DELAY (30 * 256) 155163863Sthompsa#define BSTP_MAX_HOLD_COUNT 10 156163863Sthompsa#define BSTP_MAX_PRIORITY 61440 157163863Sthompsa#define BSTP_MAX_PORT_PRIORITY 240 158163863Sthompsa#define BSTP_MAX_PATH_COST 200000000 159160703Sthompsa 160160703Sthompsa/* BPDU message types */ 161160703Sthompsa#define BSTP_MSGTYPE_CFG 0x00 /* Configuration */ 162163863Sthompsa#define BSTP_MSGTYPE_RSTP 0x02 /* Rapid STP */ 163160703Sthompsa#define BSTP_MSGTYPE_TCN 0x80 /* Topology chg notification */ 164160703Sthompsa 165163863Sthompsa/* Protocol versions */ 166163863Sthompsa#define BSTP_PROTO_ID 0x00 167163863Sthompsa#define BSTP_PROTO_STP 0x00 168163863Sthompsa#define BSTP_PROTO_RSTP 0x02 169163863Sthompsa#define BSTP_PROTO_MAX BSTP_PROTO_RSTP 170160703Sthompsa 171163863Sthompsa#define BSTP_INFO_RECIEVED 1 172163863Sthompsa#define BSTP_INFO_MINE 2 173163863Sthompsa#define BSTP_INFO_AGED 3 174163863Sthompsa#define BSTP_INFO_DISABLED 4 175163863Sthompsa 176163863Sthompsa 177160703Sthompsa#define BSTP_MESSAGE_AGE_INCR (1 * 256) /* in 256ths of a second */ 178160703Sthompsa#define BSTP_TICK_VAL (1 * 256) /* in 256ths of a second */ 179163863Sthompsa#define BSTP_LINK_TIMER (BSTP_TICK_VAL * 15) 180160703Sthompsa 181160703Sthompsa/* 182163863Sthompsa * Driver callbacks for STP state changes 183163863Sthompsa */ 184160899Sthompsatypedef void (*bstp_state_cb_t)(struct ifnet *, int); 185163863Sthompsatypedef void (*bstp_rtage_cb_t)(struct ifnet *, int); 186160899Sthompsa 187160899Sthompsa/* 188160703Sthompsa * Because BPDU's do not make nicely aligned structures, two different 189160703Sthompsa * declarations are used: bstp_?bpdu (wire representation, packed) and 190160703Sthompsa * bstp_*_unit (internal, nicely aligned version). 191160703Sthompsa */ 192160703Sthompsa 193160703Sthompsa/* configuration bridge protocol data unit */ 194160703Sthompsastruct bstp_cbpdu { 195160703Sthompsa uint8_t cbu_dsap; /* LLC: destination sap */ 196160703Sthompsa uint8_t cbu_ssap; /* LLC: source sap */ 197160703Sthompsa uint8_t cbu_ctl; /* LLC: control */ 198160703Sthompsa uint16_t cbu_protoid; /* protocol id */ 199160703Sthompsa uint8_t cbu_protover; /* protocol version */ 200160703Sthompsa uint8_t cbu_bpdutype; /* message type */ 201160703Sthompsa uint8_t cbu_flags; /* flags (below) */ 202160703Sthompsa 203160703Sthompsa /* root id */ 204160703Sthompsa uint16_t cbu_rootpri; /* root priority */ 205163863Sthompsa uint8_t cbu_rootaddr[6]; /* root address */ 206160703Sthompsa 207160703Sthompsa uint32_t cbu_rootpathcost; /* root path cost */ 208160703Sthompsa 209160703Sthompsa /* bridge id */ 210160703Sthompsa uint16_t cbu_bridgepri; /* bridge priority */ 211160703Sthompsa uint8_t cbu_bridgeaddr[6]; /* bridge address */ 212160703Sthompsa 213160703Sthompsa uint16_t cbu_portid; /* port id */ 214160703Sthompsa uint16_t cbu_messageage; /* current message age */ 215160703Sthompsa uint16_t cbu_maxage; /* maximum age */ 216160703Sthompsa uint16_t cbu_hellotime; /* hello time */ 217160703Sthompsa uint16_t cbu_forwarddelay; /* forwarding delay */ 218163863Sthompsa uint8_t cbu_versionlen; /* version 1 length */ 219160703Sthompsa} __attribute__((__packed__)); 220163863Sthompsa#define BSTP_BPDU_STP_LEN (3 + 35) /* LLC + STP pdu */ 221163863Sthompsa#define BSTP_BPDU_RSTP_LEN (3 + 36) /* LLC + RSTP pdu */ 222160703Sthompsa 223160703Sthompsa/* topology change notification bridge protocol data unit */ 224160703Sthompsastruct bstp_tbpdu { 225160703Sthompsa uint8_t tbu_dsap; /* LLC: destination sap */ 226160703Sthompsa uint8_t tbu_ssap; /* LLC: source sap */ 227160703Sthompsa uint8_t tbu_ctl; /* LLC: control */ 228160703Sthompsa uint16_t tbu_protoid; /* protocol id */ 229160703Sthompsa uint8_t tbu_protover; /* protocol version */ 230160703Sthompsa uint8_t tbu_bpdutype; /* message type */ 231160703Sthompsa} __attribute__((__packed__)); 232160703Sthompsa 233160703Sthompsa/* 234160703Sthompsa * Timekeeping structure used in spanning tree code. 235160703Sthompsa */ 236160703Sthompsastruct bstp_timer { 237163863Sthompsa int active; 238163863Sthompsa int latched; 239163863Sthompsa int value; 240160703Sthompsa}; 241160703Sthompsa 242163863Sthompsastruct bstp_pri_vector { 243163863Sthompsa uint64_t pv_root_id; 244163863Sthompsa uint32_t pv_cost; 245163863Sthompsa uint64_t pv_dbridge_id; 246163863Sthompsa uint16_t pv_dport_id; 247163863Sthompsa uint16_t pv_port_id; 248163863Sthompsa}; 249163863Sthompsa 250160703Sthompsastruct bstp_config_unit { 251163863Sthompsa struct bstp_pri_vector cu_pv; 252160703Sthompsa uint16_t cu_message_age; 253160703Sthompsa uint16_t cu_max_age; 254163863Sthompsa uint16_t cu_forward_delay; 255160703Sthompsa uint16_t cu_hello_time; 256160703Sthompsa uint8_t cu_message_type; 257163863Sthompsa uint8_t cu_topology_change_ack; 258160703Sthompsa uint8_t cu_topology_change; 259163863Sthompsa uint8_t cu_proposal; 260163863Sthompsa uint8_t cu_agree; 261163863Sthompsa uint8_t cu_learning; 262163863Sthompsa uint8_t cu_forwarding; 263163863Sthompsa uint8_t cu_role; 264160703Sthompsa}; 265160703Sthompsa 266160703Sthompsastruct bstp_tcn_unit { 267160703Sthompsa uint8_t tu_message_type; 268160703Sthompsa}; 269160703Sthompsa 270160703Sthompsastruct bstp_port { 271160703Sthompsa LIST_ENTRY(bstp_port) bp_next; 272160703Sthompsa struct ifnet *bp_ifp; /* parent if */ 273160703Sthompsa struct bstp_state *bp_bs; 274163863Sthompsa uint8_t bp_active; 275163863Sthompsa uint8_t bp_protover; 276163863Sthompsa uint32_t bp_flags; 277160703Sthompsa uint32_t bp_path_cost; 278163863Sthompsa uint16_t bp_port_msg_age; 279163863Sthompsa uint16_t bp_port_max_age; 280163863Sthompsa uint16_t bp_port_fdelay; 281163863Sthompsa uint16_t bp_port_htime; 282163863Sthompsa uint16_t bp_desg_msg_age; 283163863Sthompsa uint16_t bp_desg_max_age; 284163863Sthompsa uint16_t bp_desg_fdelay; 285163863Sthompsa uint16_t bp_desg_htime; 286163863Sthompsa struct bstp_timer bp_edge_delay_timer; 287163863Sthompsa struct bstp_timer bp_forward_delay_timer; 288163863Sthompsa struct bstp_timer bp_hello_timer; 289160703Sthompsa struct bstp_timer bp_message_age_timer; 290163863Sthompsa struct bstp_timer bp_migrate_delay_timer; 291163863Sthompsa struct bstp_timer bp_recent_backup_timer; 292163863Sthompsa struct bstp_timer bp_recent_root_timer; 293163863Sthompsa struct bstp_timer bp_tc_timer; 294163863Sthompsa struct bstp_config_unit bp_msg_cu; 295163863Sthompsa struct bstp_pri_vector bp_desg_pv; 296163863Sthompsa struct bstp_pri_vector bp_port_pv; 297160703Sthompsa uint16_t bp_port_id; 298160703Sthompsa uint8_t bp_state; 299163863Sthompsa uint8_t bp_tcstate; 300163863Sthompsa uint8_t bp_role; 301163863Sthompsa uint8_t bp_infois; 302163863Sthompsa uint8_t bp_tc_ack; 303163863Sthompsa uint8_t bp_tc_prop; 304163863Sthompsa uint8_t bp_fdbflush; 305160703Sthompsa uint8_t bp_priority; 306163863Sthompsa uint8_t bp_p2p_link; 307163863Sthompsa uint8_t bp_agree; 308163863Sthompsa uint8_t bp_agreed; 309163863Sthompsa uint8_t bp_sync; 310163863Sthompsa uint8_t bp_synced; 311163863Sthompsa uint8_t bp_proposing; 312163863Sthompsa uint8_t bp_proposed; 313163863Sthompsa uint8_t bp_operedge; 314163863Sthompsa uint8_t bp_reroot; 315163863Sthompsa uint8_t bp_rcvdtc; 316163863Sthompsa uint8_t bp_rcvdtca; 317163863Sthompsa uint8_t bp_rcvdtcn; 318160867Sthompsa uint32_t bp_forward_transitions; 319163863Sthompsa uint8_t bp_txcount; 320160899Sthompsa struct task bp_statetask; 321163863Sthompsa struct task bp_rtagetask; 322160703Sthompsa}; 323160703Sthompsa 324160703Sthompsa/* 325160703Sthompsa * Software state for each bridge STP. 326160703Sthompsa */ 327160703Sthompsastruct bstp_state { 328160703Sthompsa LIST_ENTRY(bstp_state) bs_list; 329164141Sthompsa uint8_t bs_running; 330160703Sthompsa struct mtx bs_mtx; 331163863Sthompsa struct bstp_pri_vector bs_bridge_pv; 332163863Sthompsa struct bstp_pri_vector bs_root_pv; 333160703Sthompsa struct bstp_port *bs_root_port; 334163863Sthompsa uint8_t bs_protover; 335163863Sthompsa uint16_t bs_migration_delay; 336163863Sthompsa uint16_t bs_edge_delay; 337160703Sthompsa uint16_t bs_bridge_max_age; 338163863Sthompsa uint16_t bs_bridge_fdelay; 339163863Sthompsa uint16_t bs_bridge_htime; 340163863Sthompsa uint16_t bs_root_msg_age; 341163863Sthompsa uint16_t bs_root_max_age; 342163863Sthompsa uint16_t bs_root_fdelay; 343163863Sthompsa uint16_t bs_root_htime; 344160703Sthompsa uint16_t bs_hold_time; 345160703Sthompsa uint16_t bs_bridge_priority; 346163863Sthompsa uint8_t bs_txholdcount; 347163863Sthompsa uint8_t bs_allsynced; 348160703Sthompsa struct callout bs_bstpcallout; /* STP callout */ 349160703Sthompsa struct bstp_timer bs_link_timer; 350160867Sthompsa struct timeval bs_last_tc_time; 351160703Sthompsa LIST_HEAD(, bstp_port) bs_bplist; 352160899Sthompsa bstp_state_cb_t bs_state_cb; 353163863Sthompsa bstp_rtage_cb_t bs_rtage_cb; 354160703Sthompsa}; 355160703Sthompsa 356163863Sthompsa#define BSTP_LOCK_INIT(_bs) mtx_init(&(_bs)->bs_mtx, "bstp", NULL, MTX_DEF) 357163863Sthompsa#define BSTP_LOCK_DESTROY(_bs) mtx_destroy(&(_bs)->bs_mtx) 358163863Sthompsa#define BSTP_LOCK(_bs) mtx_lock(&(_bs)->bs_mtx) 359163863Sthompsa#define BSTP_UNLOCK(_bs) mtx_unlock(&(_bs)->bs_mtx) 360163863Sthompsa#define BSTP_LOCK_ASSERT(_bs) mtx_assert(&(_bs)->bs_mtx, MA_OWNED) 361160703Sthompsa 362160703Sthompsaextern const uint8_t bstp_etheraddr[]; 363160703Sthompsa 364160703Sthompsaextern void (*bstp_linkstate_p)(struct ifnet *ifp, int state); 365160703Sthompsa 366163863Sthompsavoid bstp_attach(struct bstp_state *, bstp_state_cb_t, bstp_rtage_cb_t); 367160703Sthompsavoid bstp_detach(struct bstp_state *); 368160703Sthompsavoid bstp_init(struct bstp_state *); 369160703Sthompsavoid bstp_stop(struct bstp_state *); 370164626Sthompsaint bstp_create(struct bstp_state *, struct bstp_port *, struct ifnet *); 371164626Sthompsaint bstp_enable(struct bstp_port *); 372164626Sthompsavoid bstp_disable(struct bstp_port *); 373164626Sthompsavoid bstp_destroy(struct bstp_port *); 374160703Sthompsavoid bstp_linkstate(struct ifnet *, int); 375163863Sthompsaint bstp_set_htime(struct bstp_state *, int); 376163863Sthompsaint bstp_set_fdelay(struct bstp_state *, int); 377163863Sthompsaint bstp_set_maxage(struct bstp_state *, int); 378163863Sthompsaint bstp_set_holdcount(struct bstp_state *, int); 379163863Sthompsaint bstp_set_protocol(struct bstp_state *, int); 380163863Sthompsaint bstp_set_priority(struct bstp_state *, int); 381163863Sthompsaint bstp_set_port_priority(struct bstp_port *, int); 382163863Sthompsaint bstp_set_path_cost(struct bstp_port *, uint32_t); 383163863Sthompsaint bstp_set_edge(struct bstp_port *, int); 384163863Sthompsaint bstp_set_autoedge(struct bstp_port *, int); 385160703Sthompsastruct mbuf *bstp_input(struct bstp_port *, struct ifnet *, struct mbuf *); 386160703Sthompsa 387160703Sthompsa#endif /* _KERNEL */ 388