1 /* $NetBSD: if_bridgevar.h,v 1.4 2003/07/08 07:13:50 itojun Exp $ */ 2 3 /* 4 * SPDX-License-Identifier: BSD-4-Clause 5 * 6 * Copyright 2001 Wasabi Systems, Inc. 7 * All rights reserved. 8 * 9 * Written by Jason R. Thorpe for Wasabi Systems, Inc. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 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 25 * written permission. 26 * 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. 38 */ 39 40 /* 41 * Copyright (c) 1999, 2000 Jason L. Wright (jason@thought.net) 42 * All rights reserved. 43 * 44 * Redistribution and use in source and binary forms, with or without 45 * modification, are permitted provided that the following conditions 46 * are met: 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. 57 * 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. 69 * 70 * OpenBSD: if_bridge.h,v 1.14 2001/03/22 03:48:29 jason Exp 71 * 72 * $FreeBSD$ 73 */ 74 75 /* 76 * Data structure and control definitions for bridge interfaces. 77 */ 78 79 #include <sys/types.h> 80 #include <sys/callout.h> 81 #include <sys/queue.h> 82 #include <sys/condvar.h> 83 84 #include <net/ethernet.h> 85 #include <net/if.h> 86 87 /* 88 * Commands used in the SIOCSDRVSPEC ioctl. Note the lookup of the 89 * bridge interface itself is keyed off the ifdrv structure. 90 */ 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) */ 104 105 #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 120 * (ifbpstpconf) */ 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) */ 124 125 /* 126 * Generic bridge control request. 127 */ 128 struct ifbreq { 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 */ 141 uint8_t pad[32]; 142 }; 143 144 /* 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 */ 157 158 #define IFBIFBITS "\020\001LEARNING\002DISCOVER\003STP\004SPAN" \ 159 "\005STICKY\014PRIVATE\006EDGE\007AUTOEDGE\010PTP" \ 160 "\011AUTOPTP" 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 */ 164 165 /* BRDGFLUSH */ 166 #define IFBF_FLUSHDYN 0x00 /* flush learned addresses only */ 167 #define IFBF_FLUSHALL 0x01 /* flush all addresses */ 168 169 /* 170 * Interface list structure. 171 */ 172 struct ifbifconf { 173 uint32_t ifbic_len; /* buffer size */ 174 union { 175 caddr_t ifbicu_buf; 176 struct ifbreq *ifbicu_req; 177 } ifbic_ifbicu; 178 #define ifbic_buf ifbic_ifbicu.ifbicu_buf 179 #define ifbic_req ifbic_ifbicu.ifbicu_req 180 }; 181 182 /* 183 * Bridge address request. 184 */ 185 struct ifbareq { 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 */ 191 }; 192 193 #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 */ 197 198 #define IFBAFBITS "\020\1STATIC\2STICKY" 199 200 /* 201 * Address list structure. 202 */ 203 struct ifbaconf { 204 uint32_t ifbac_len; /* buffer size */ 205 union { 206 caddr_t ifbacu_buf; 207 struct ifbareq *ifbacu_req; 208 } ifbac_ifbacu; 209 #define ifbac_buf ifbac_ifbacu.ifbacu_buf 210 #define ifbac_req ifbac_ifbacu.ifbacu_req 211 }; 212 213 /* 214 * Bridge parameter structure. 215 */ 216 struct ifbrparam { 217 union { 218 uint32_t ifbrpu_int32; 219 uint16_t ifbrpu_int16; 220 uint8_t ifbrpu_int8; 221 } ifbrp_ifbrpu; 222 }; 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 232 * adresses */ 233 /* 234 * Bridge current operational parameters structure. 235 */ 236 struct ifbropreq { 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; 249 }; 250 251 /* 252 * Bridge member operational STP params structure. 253 */ 254 struct ifbpstpreq { 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 */ 261 }; 262 263 /* 264 * Bridge STP ports list structure. 265 */ 266 struct ifbpstpconf { 267 uint32_t ifbpstp_len; /* buffer size */ 268 union { 269 caddr_t ifbpstpu_buf; 270 struct ifbpstpreq *ifbpstpu_req; 271 } ifbpstp_ifbpstpu; 272 #define ifbpstp_buf ifbpstp_ifbpstpu.ifbpstpu_buf 273 #define ifbpstp_req ifbpstp_ifbpstpu.ifbpstpu_req 274 }; 275 276 #define STP_STATES \ 277 "disabled", \ 278 "listening", \ 279 "learning", \ 280 "forwarding", \ 281 "blocking", \ 282 "discarding" 283 284 #define STP_PROTOS \ 285 "stp", \ 286 "-", \ 287 "rstp" 288 289 #define STP_ROLES \ 290 "disabled", \ 291 "root", \ 292 "designated", \ 293 "alternate", \ 294 "backup" 295 296 #define PV2ID(pv, epri, eaddr) do { \ 297 epri = pv >> 48; \ 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; \ 304 } while (0) 305 306 #ifdef _KERNEL 307 308 #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); \ 312 if (_m != NULL) \ 313 _ifp = _m->m_pkthdr.rcvif; \ 314 } while (0) 315 316 #define BRIDGE_OUTPUT(_ifp, _m, _err) do { \ 317 KASSERT((_ifp)->if_bridge_output != NULL, \ 318 ("%s: if_bridge not loaded!", __func__)); \ 319 _err = (*(_ifp)->if_bridge_output)(_ifp, _m, NULL, NULL); \ 320 } while (0) 321 322 extern void (*bridge_dn_p)(struct mbuf *, struct ifnet *); 323 324 #endif /* _KERNEL */ 325