ieee80211_netbsd.h revision 1.14.4.2
1 /* $NetBSD: ieee80211_netbsd.h,v 1.14.4.2 2008/02/23 13:00:59 skrll Exp $ */ 2 /*- 3 * Copyright (c) 2003-2005 Sam Leffler, Errno Consulting 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD: src/sys/net80211/ieee80211_freebsd.h,v 1.6 2005/08/08 18:46:36 sam Exp $ 29 */ 30 #ifndef _NET80211_IEEE80211_NETBSD_H_ 31 #define _NET80211_IEEE80211_NETBSD_H_ 32 33 #ifdef _KERNEL 34 #define IASSERT(__cond, __complaint) \ 35 do { \ 36 if (!(__cond)) \ 37 panic __complaint ; \ 38 } while (/*CONSTCOND*/0) 39 40 void if_printf(struct ifnet *, const char *, ...) 41 __attribute__((__format__(__printf__,2,3))); 42 43 #define IEEE80211_LOCK_INIT_IMPL(_ic, _name, _member) \ 44 mutex_init(&(_ic)->_member, MUTEX_DEFAULT, IPL_NET) 45 #define IEEE80211_LOCK_IMPL(_ic, _member) \ 46 mutex_enter(&(_ic)->_member) 47 #define IEEE80211_IS_LOCKED_IMPL(_ic, _member) \ 48 mutex_owned(&(_ic)->_member) 49 #define IEEE80211_UNLOCK_IMPL(_ic, _member) \ 50 mutex_exit(&(_ic)->_member) 51 #define IEEE80211_LOCK_ASSERT_IMPL(_ic, _member) \ 52 IASSERT(mutex_owned(&(_ic)->_member), \ 53 ("%s: IEEE80211_LOCK not held", __func__)) 54 #define IEEE80211_LOCK_DESTROY_IMPL(_ic, _member) \ 55 mutex_destroy(&(_ic)->_member) 56 57 /* 58 * Common state locking definitions. 59 */ 60 typedef kmutex_t ieee80211_com_lock_t; 61 #define IEEE80211_LOCK_INIT(_ic, _name) \ 62 IEEE80211_LOCK_INIT_IMPL(_ic, _name, ic_comlock) 63 #define IEEE80211_LOCK_DESTROY(_ic) \ 64 IEEE80211_LOCK_DESTROY_IMPL(_ic, ic_comlock) 65 #define IEEE80211_LOCK(_ic) \ 66 IEEE80211_LOCK_IMPL(_ic, ic_comlock) 67 #define IEEE80211_UNLOCK(_ic)\ 68 IEEE80211_UNLOCK_IMPL(_ic, ic_comlock) 69 #define IEEE80211_LOCK_ASSERT(_ic) \ 70 IEEE80211_LOCK_ASSERT_IMPL(_ic, ic_comlock) 71 72 /* 73 * Beacon locking definitions. 74 */ 75 typedef kmutex_t ieee80211_beacon_lock_t; 76 #define IEEE80211_BEACON_LOCK_INIT(_ic, _name) \ 77 IEEE80211_LOCK_INIT_IMPL(_ic, _name, ic_beaconlock) 78 #define IEEE80211_BEACON_LOCK_DESTROY(_ic) \ 79 IEEE80211_LOCK_DESTROY_IMPL(_ic, ic_beaconlock) 80 #define IEEE80211_BEACON_LOCK(_ic) \ 81 IEEE80211_LOCK_IMPL(_ic, ic_beaconlock) 82 #define IEEE80211_BEACON_UNLOCK(_ic) \ 83 IEEE80211_UNLOCK_IMPL(_ic, ic_beaconlock) 84 #define IEEE80211_BEACON_LOCK_ASSERT(_ic) \ 85 IEEE80211_LOCK_ASSERT_IMPL(_ic, ic_beaconlock) 86 87 /* 88 * Node locking definitions. 89 * NB: MTX_DUPOK is because we don't generate per-interface strings. 90 */ 91 typedef kmutex_t ieee80211_node_lock_t; 92 #define IEEE80211_NODE_LOCK_INIT(_nt, _name) \ 93 IEEE80211_LOCK_INIT_IMPL(_nt, _name, nt_nodelock) 94 #define IEEE80211_NODE_LOCK_DESTROY(_nt) \ 95 IEEE80211_LOCK_DESTROY_IMPL(_nt, nt_nodelock) 96 #define IEEE80211_NODE_LOCK(_nt) \ 97 IEEE80211_LOCK_IMPL(_nt, nt_nodelock) 98 #define IEEE80211_NODE_IS_LOCKED(_nt) \ 99 IEEE80211_IS_LOCKED_IMPL(_nt, nt_nodelock) 100 #define IEEE80211_NODE_UNLOCK(_nt) \ 101 IEEE80211_UNLOCK_IMPL(_nt, nt_nodelock) 102 #define IEEE80211_NODE_LOCK_ASSERT(_nt) \ 103 IEEE80211_LOCK_ASSERT_IMPL(_nt, nt_nodelock) 104 105 /* 106 * Node table scangen locking definitions. 107 */ 108 typedef kmutex_t ieee80211_scan_lock_t; 109 #define IEEE80211_SCAN_LOCK_INIT(_nt, _name) \ 110 IEEE80211_LOCK_INIT_IMPL(_nt, _name, nt_scanlock) 111 #define IEEE80211_SCAN_LOCK_DESTROY(_nt) \ 112 IEEE80211_LOCK_DESTROY_IMPL(_nt, nt_scanlock) 113 #define IEEE80211_SCAN_LOCK(_nt) \ 114 IEEE80211_LOCK_IMPL(_nt, nt_scanlock) 115 #define IEEE80211_SCAN_UNLOCK(_nt) \ 116 IEEE80211_UNLOCK_IMPL(_nt, nt_scanlock) 117 #define IEEE80211_SCAN_LOCK_ASSERT(_nt) \ 118 IEEE80211_LOCK_ASSERT_IMPL(_nt, nt_scanlock) 119 120 /* 121 * Scan table locking definitions. 122 */ 123 typedef kmutex_t ieee80211_scantable_lock_t; 124 #define IEEE80211_SCANTABLE_LOCK_INIT(_st, _name) \ 125 IEEE80211_LOCK_INIT_IMPL(_st, _name, st_lock) 126 #define IEEE80211_SCANTABLE_LOCK_DESTROY(_st) \ 127 IEEE80211_LOCK_DESTROY_IMPL(_st, st_lock) 128 #define IEEE80211_SCANTABLE_LOCK(_st) \ 129 IEEE80211_LOCK_IMPL(_st, st_lock) 130 #define IEEE80211_SCANTABLE_UNLOCK(_st) \ 131 IEEE80211_UNLOCK_IMPL(_st, st_lock) 132 #define IEEE80211_SCANTABLE_LOCK_ASSERT(_st) \ 133 IEEE80211_LOCK_ASSERT_IMPL(_st, st_lock) 134 135 /* 136 * Scan table scangen locking definitions. 137 */ 138 typedef kmutex_t ieee80211_scangen_lock_t; 139 #define IEEE80211_SCANGEN_LOCK_INIT(_st, _name) \ 140 IEEE80211_LOCK_INIT_IMPL(_st, _name, st_scanlock) 141 #define IEEE80211_SCANGEN_LOCK_DESTROY(_st) \ 142 IEEE80211_LOCK_DESTROY_IMPL(_st, st_scanlock) 143 #define IEEE80211_SCANGEN_LOCK(_st) \ 144 IEEE80211_LOCK_IMPL(_st, st_scanlock) 145 #define IEEE80211_SCANGEN_UNLOCK(_st) \ 146 IEEE80211_UNLOCK_IMPL(_st, st_scanlock) 147 #define IEEE80211_SCANGEN_LOCK_ASSERT(_st) \ 148 IEEE80211_LOCK_ASSERT_IMPL(_st, st_scanlock) 149 150 /* 151 * Per-node power-save queue definitions. 152 */ 153 #define IEEE80211_NODE_SAVEQ_INIT(_ni, _name) do { \ 154 (_ni)->ni_savedq.ifq_maxlen = IEEE80211_PS_MAX_QUEUE; \ 155 } while (0) 156 #define IEEE80211_NODE_SAVEQ_DESTROY(_ni) 157 #define IEEE80211_NODE_SAVEQ_QLEN(_ni) ((_ni)->ni_savedq.ifq_len) 158 #define IEEE80211_NODE_SAVEQ_LOCK(_ni) 159 #define IEEE80211_NODE_SAVEQ_UNLOCK(_ni) 160 #define IEEE80211_NODE_SAVEQ_DEQUEUE(_ni, _m, _qlen) do { \ 161 IEEE80211_NODE_SAVEQ_LOCK(_ni); \ 162 IF_DEQUEUE(&(_ni)->ni_savedq, _m); \ 163 (_qlen) = IEEE80211_NODE_SAVEQ_QLEN(_ni); \ 164 IEEE80211_NODE_SAVEQ_UNLOCK(_ni); \ 165 } while (0) 166 #define IEEE80211_NODE_SAVEQ_DRAIN(_ni, _qlen) do { \ 167 IEEE80211_NODE_SAVEQ_LOCK(_ni); \ 168 (_qlen) = IEEE80211_NODE_SAVEQ_QLEN(_ni); \ 169 IF_PURGE(&(_ni)->ni_savedq); \ 170 IEEE80211_NODE_SAVEQ_UNLOCK(_ni); \ 171 } while (0) 172 /* XXX could be optimized */ 173 #define _IEEE80211_NODE_SAVEQ_DEQUEUE_HEAD(_ni, _m) do { \ 174 IF_DEQUEUE(&(_ni)->ni_savedq, m); \ 175 } while (0) 176 #define _IEEE80211_NODE_SAVEQ_ENQUEUE(_ni, _m, _qlen, _age) do {\ 177 (_m)->m_nextpkt = NULL; \ 178 if ((_ni)->ni_savedq.ifq_tail != NULL) { \ 179 _age -= M_AGE_GET((_ni)->ni_savedq.ifq_tail); \ 180 (_ni)->ni_savedq.ifq_tail->m_nextpkt = (_m); \ 181 } else { \ 182 (_ni)->ni_savedq.ifq_head = (_m); \ 183 } \ 184 M_AGE_SET(_m, _age); \ 185 (_ni)->ni_savedq.ifq_tail = (_m); \ 186 (_qlen) = ++(_ni)->ni_savedq.ifq_len; \ 187 } while (0) 188 189 #define IEEE80211_TAPQ_INIT(_tap) do { \ 190 (_tap)->txa_q.ifq_maxlen = IEEE80211_AGGR_BAWMAX; \ 191 } while (0) 192 #define IEEE80211_TAPQ_DESTROY(_tap) 193 194 #define IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do { \ 195 (mtail)->m_nextpkt = (ifq)->ifq_head; \ 196 if ((ifq)->ifq_tail == NULL) \ 197 (ifq)->ifq_tail = (mtail); \ 198 (ifq)->ifq_head = (mhead); \ 199 (ifq)->ifq_len += (mcount); \ 200 } while (0) 201 202 /* 203 * 802.1x MAC ACL database locking definitions. 204 */ 205 typedef kmutex_t acl_lock_t; 206 #define ACL_LOCK_INIT(_as, _name) \ 207 IEEE80211_LOCK_INIT_IMPL(_as, _name, as_lock) 208 #define ACL_LOCK_DESTROY(_as) \ 209 IEEE80211_LOCK_DESTROY_IMPL(_as, as_lock) 210 #define ACL_LOCK(_as) IEEE80211_LOCK_IMPL(_as, as_lock) 211 #define ACL_UNLOCK(_as) IEEE80211_UNLOCK_IMPL(_as, as_lock) 212 #define ACL_LOCK_ASSERT(_as) IEEE80211_LOCK_ASSERT_IMPL(_as, as_lock) 213 214 /* 215 * Node reference counting definitions. 216 * 217 * ieee80211_node_initref initialize the reference count to 1 218 * ieee80211_node_incref add a reference 219 * ieee80211_node_decref remove a reference 220 * ieee80211_node_dectestref remove a reference and return 1 if this 221 * is the last reference, otherwise 0 222 * ieee80211_node_refcnt reference count for printing (only) 223 */ 224 225 #define ieee80211_node_initref(_ni) \ 226 do { ((_ni)->ni_refcnt = 1); } while (0) 227 #define ieee80211_node_incref(_ni) \ 228 do { (_ni)->ni_refcnt++; } while (0) 229 #define ieee80211_node_decref(_ni) \ 230 do { (_ni)->ni_refcnt--; } while (0) 231 struct ieee80211_node; 232 int ieee80211_node_dectestref(struct ieee80211_node *ni); 233 #define ieee80211_node_refcnt(_ni) (_ni)->ni_refcnt 234 235 struct ifqueue; 236 void ieee80211_drain_ifq(struct ifqueue *); 237 238 #define msecs_to_ticks(ms) (((ms)*hz)/1000) 239 #define ticks_to_msecs(t) ((t) / hz) 240 #define time_after(a,b) ((long)(b) - (long)(a) < 0) 241 #define time_before(a,b) time_after(b,a) 242 #define time_after_eq(a,b) ((long)(a) - (long)(b) >= 0) 243 #define time_before_eq(a,b) time_after_eq(b,a) 244 245 struct mbuf *ieee80211_getmgtframe(uint8_t **frm, int, u_int pktlen); 246 247 /* tx path usage */ 248 #define M_PWR_SAV M_PROTO1 /* bypass PS handling */ 249 #define M_MORE_DATA M_LINK3 /* more data frames to follow */ 250 #define M_FRAG M_LINK4 /* 802.11 fragment */ 251 #define M_FIRSTFRAG M_LINK5 /* first 802.11 fragment */ 252 #define M_FF M_LINK6 /* "fast frames" */ 253 254 /* rx path usage */ 255 #define M_AMPDU M_PROTO1 /* A-MPDU processing done */ 256 #define M_WEP M_LINK3 /* WEP done by hardware */ /* XXXNH */ 257 #define M_80211_RX (M_AMPDU|M_WEP) 258 259 #ifdef __FreeBSD__ 260 /* tx path usage */ 261 #define M_LINK0 M_PROTO1 /* WEP requested */ 262 #define M_PWR_SAV M_PROTO4 /* bypass PS handling */ 263 #define M_MORE_DATA M_PROTO5 /* more data frames to follow */ 264 #define M_FF 0x20000 /* fast frame */ 265 #define M_TXCB 0x40000 /* do tx complete callback */ 266 #define M_80211_TX (0x60000|M_PROTO1|M_WME_AC_MASK|M_PROTO4|M_PROTO5) 267 268 /* rx path usage */ 269 #define M_AMPDU M_PROTO1 /* A-MPDU processing done */ 270 #define M_WEP M_PROTO2 /* WEP done by hardware */ 271 #define M_80211_RX (M_AMPDU|M_WEP) 272 #endif 273 274 /* 275 * Encode WME access control bits in the PROTO flags. 276 * This is safe since it's passed directly in to the 277 * driver and there's no chance someone else will clobber 278 * them on us. 279 */ 280 #define M_WME_AC_MASK (M_LINK1|M_LINK2) 281 /* XXX 5 is wrong if M_LINK* are redefined */ 282 #define M_WME_AC_SHIFT 13 283 284 #define M_WME_SETAC(m, ac) \ 285 ((m)->m_flags = ((m)->m_flags &~ M_WME_AC_MASK) | \ 286 ((ac) << M_WME_AC_SHIFT)) 287 #define M_WME_GETAC(m) (((m)->m_flags >> M_WME_AC_SHIFT) & 0x3) 288 289 /* 290 * Mbufs on the power save queue are tagged with an age and 291 * timed out. We reuse the hardware checksum field in the 292 * mbuf packet header to store this data. 293 */ 294 #define M_AGE_SET(m,v) (m->m_pkthdr.csum_data = v) 295 #define M_AGE_GET(m) (m->m_pkthdr.csum_data) 296 #define M_AGE_SUB(m,adj) (m->m_pkthdr.csum_data -= adj) 297 298 struct ieee80211_cb { 299 void (*func)(struct ieee80211_node *, void *, int status); 300 void *arg; 301 }; 302 #define NET80211_TAG_CALLBACK 0 /* xmit complete callback */ 303 int ieee80211_add_callback(struct mbuf *m, 304 void (*func)(struct ieee80211_node *, void *, int), void *arg); 305 void ieee80211_process_callback(struct ieee80211_node *, struct mbuf *, int); 306 307 struct ieee80211com; 308 #endif /* _KERNEL */ 309 310 /* XXX this stuff belongs elsewhere */ 311 /* 312 * Message formats for messages from the net80211 layer to user 313 * applications via the routing socket. These messages are appended 314 * to an if_announcemsghdr structure. 315 */ 316 struct ieee80211_join_event { 317 uint8_t iev_addr[6]; 318 }; 319 320 struct ieee80211_leave_event { 321 uint8_t iev_addr[6]; 322 }; 323 324 struct ieee80211_replay_event { 325 uint8_t iev_src[6]; /* src MAC */ 326 uint8_t iev_dst[6]; /* dst MAC */ 327 uint8_t iev_cipher; /* cipher type */ 328 uint8_t iev_keyix; /* key id/index */ 329 uint64_t iev_keyrsc; /* RSC from key */ 330 uint64_t iev_rsc; /* RSC from frame */ 331 }; 332 333 struct ieee80211_michael_event { 334 uint8_t iev_src[6]; /* src MAC */ 335 uint8_t iev_dst[6]; /* dst MAC */ 336 uint8_t iev_cipher; /* cipher type */ 337 uint8_t iev_keyix; /* key id/index */ 338 }; 339 340 #define RTM_IEEE80211_ASSOC 100 /* station associate (bss mode) */ 341 #define RTM_IEEE80211_REASSOC 101 /* station re-associate (bss mode) */ 342 #define RTM_IEEE80211_DISASSOC 102 /* station disassociate (bss mode) */ 343 #define RTM_IEEE80211_JOIN 103 /* station join (ap mode) */ 344 #define RTM_IEEE80211_LEAVE 104 /* station leave (ap mode) */ 345 #define RTM_IEEE80211_SCAN 105 /* scan complete, results available */ 346 #define RTM_IEEE80211_REPLAY 106 /* sequence counter replay detected */ 347 #define RTM_IEEE80211_MICHAEL 107 /* Michael MIC failure detected */ 348 #define RTM_IEEE80211_REJOIN 108 /* station re-associate (ap mode) */ 349 350 #define __offsetof offsetof 351 #define ticks hardclock_ticks 352 #define ovbcopy(__src, __dst, __n) ((void)memmove(__dst, __src, __n)) 353 354 #define TAILQ_FOREACH_SAFE(var, head, field, nextvar) \ 355 for (var = TAILQ_FIRST(head); \ 356 var != NULL && (nextvar = TAILQ_NEXT(var, field), 1); \ 357 var = nextvar) 358 359 void if_printf(struct ifnet *, const char *, ...); 360 void m_align(struct mbuf *, int); 361 int m_append(struct mbuf *, int, const void *); 362 void get_random_bytes(void *, size_t); 363 364 void ieee80211_sysctl_attach(struct ieee80211com *); 365 void ieee80211_sysctl_detach(struct ieee80211com *); 366 void ieee80211_load_module(const char *); 367 368 void net80211_init(void); 369 #define IEEE80211_CRYPTO_SETUP(name) \ 370 static void name(void); \ 371 __link_set_add_text(ieee80211_funcs, name); \ 372 static void name(void) 373 374 #endif /* !_NET80211_IEEE80211_NETBSD_H_ */ 375
Indexes created Mon Sep 29 18:09:42 GMT 2025