ieee80211_netbsd.h revision 1.14.4.1
1 /* $NetBSD: ieee80211_netbsd.h,v 1.14.4.1 2008/02/22 16:50:25 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 #define IASSERT(__cond, __complaint) \ 34 do { \ 35 if (!(__cond)) \ 36 panic __complaint ; \ 37 } while (0) 38 39 void if_printf(struct ifnet *, const char *, ...) 40 __attribute__((__format__(__printf__,2,3))); 41 42 struct ieee80211_lock { 43 int count; 44 int ipl; 45 }; 46 #define IEEE80211_LOCK_INIT_IMPL(_ic, _name, _member) \ 47 do { \ 48 (_ic)->_member.count = 0; \ 49 } while (0) 50 #define IEEE80211_LOCK_IMPL(_ic, _member) \ 51 do { \ 52 int __s = splnet(); \ 53 if ((_ic)->_member.count++ == 0) \ 54 (_ic)->_member.ipl = __s; \ 55 } while (0) 56 #define IEEE80211_IS_LOCKED_IMPL(_ic, _member) \ 57 ((_ic)->_member.count != 0) 58 #define IEEE80211_UNLOCK_IMPL(_ic, _member) \ 59 do { \ 60 if (--(_ic)->_member.count == 0) \ 61 splx((_ic)->_member.ipl); \ 62 } while (0) 63 #define IEEE80211_LOCK_ASSERT_IMPL(_ic, _member) \ 64 IASSERT((_ic)->_member.count > 0, \ 65 ("%s: IEEE80211_LOCK not held", __func__)); 66 67 /* 68 * Common state locking definitions. 69 */ 70 typedef struct ieee80211_lock ieee80211_com_lock_t; 71 #define IEEE80211_LOCK_INIT(_ic, _name) \ 72 IEEE80211_LOCK_INIT_IMPL(_ic, _name, ic_comlock) 73 #define IEEE80211_LOCK_DESTROY(_ic) 74 #define IEEE80211_LOCK(_ic) \ 75 IEEE80211_LOCK_IMPL(_ic, ic_comlock) 76 #define IEEE80211_UNLOCK(_ic)\ 77 IEEE80211_UNLOCK_IMPL(_ic, ic_comlock) 78 #define IEEE80211_LOCK_ASSERT(_ic) \ 79 IEEE80211_LOCK_ASSERT_IMPL(_ic, ic_comlock) 80 81 /* 82 * Beacon locking definitions. 83 */ 84 typedef struct ieee80211_lock ieee80211_beacon_lock_t; 85 #define IEEE80211_BEACON_LOCK_INIT(_ic, _name) \ 86 IEEE80211_LOCK_INIT_IMPL(_ic, _name, ic_beaconlock) 87 #define IEEE80211_BEACON_LOCK_DESTROY(_ic) 88 #define IEEE80211_BEACON_LOCK(_ic) \ 89 IEEE80211_LOCK_IMPL(_ic, ic_beaconlock) 90 #define IEEE80211_BEACON_UNLOCK(_ic) \ 91 IEEE80211_UNLOCK_IMPL(_ic, ic_beaconlock) 92 #define IEEE80211_BEACON_LOCK_ASSERT(_ic) \ 93 IEEE80211_LOCK_ASSERT_IMPL(_ic, ic_beaconlock) 94 95 /* 96 * Node locking definitions. 97 * NB: MTX_DUPOK is because we don't generate per-interface strings. 98 */ 99 typedef struct ieee80211_lock ieee80211_node_lock_t; 100 #define IEEE80211_NODE_LOCK_INIT(_nt, _name) \ 101 IEEE80211_LOCK_INIT_IMPL(_nt, _name, nt_nodelock) 102 #define IEEE80211_NODE_LOCK_DESTROY(_nt) 103 #define IEEE80211_NODE_LOCK(_nt) \ 104 IEEE80211_LOCK_IMPL(_nt, nt_nodelock) 105 #define IEEE80211_NODE_IS_LOCKED(_nt) \ 106 IEEE80211_IS_LOCKED_IMPL(_nt, nt_nodelock) 107 #define IEEE80211_NODE_UNLOCK(_nt) \ 108 IEEE80211_UNLOCK_IMPL(_nt, nt_nodelock) 109 #define IEEE80211_NODE_LOCK_ASSERT(_nt) \ 110 IEEE80211_LOCK_ASSERT_IMPL(_nt, nt_nodelock) 111 112 /* 113 * Node table scangen locking definitions. 114 */ 115 typedef struct ieee80211_lock ieee80211_scan_lock_t; 116 #define IEEE80211_SCAN_LOCK_INIT(_nt, _name) \ 117 IEEE80211_LOCK_INIT_IMPL(_nt, _name, nt_scanlock) 118 #define IEEE80211_SCAN_LOCK_DESTROY(_nt) 119 #define IEEE80211_SCAN_LOCK(_nt) \ 120 IEEE80211_LOCK_IMPL(_nt, nt_scanlock) 121 #define IEEE80211_SCAN_UNLOCK(_nt) \ 122 IEEE80211_UNLOCK_IMPL(_nt, nt_scanlock) 123 #define IEEE80211_SCAN_LOCK_ASSERT(_nt) \ 124 IEEE80211_LOCK_ASSERT_IMPL(_nt, nt_scanlock) 125 126 /* 127 * Scan table locking definitions. 128 */ 129 typedef struct ieee80211_lock ieee80211_scantable_lock_t; 130 #define IEEE80211_SCANTABLE_LOCK_INIT(_st, _name) \ 131 IEEE80211_LOCK_INIT_IMPL(_st, _name, st_lock) 132 #define IEEE80211_SCANTABLE_LOCK_DESTROY(_st) 133 #define IEEE80211_SCANTABLE_LOCK(_st) \ 134 IEEE80211_LOCK_IMPL(_st, st_lock) 135 #define IEEE80211_SCANTABLE_UNLOCK(_st) \ 136 IEEE80211_UNLOCK_IMPL(_st, st_lock) 137 #define IEEE80211_SCANTABLE_LOCK_ASSERT(_st) \ 138 IEEE80211_LOCK_ASSERT_IMPL(_st, st_lock) 139 140 /* 141 * Scan table scangen locking definitions. 142 */ 143 typedef struct ieee80211_lock ieee80211_scangen_lock_t; 144 #define IEEE80211_SCANGEN_LOCK_INIT(_st, _name) \ 145 IEEE80211_LOCK_INIT_IMPL(_st, _name, st_scanlock) 146 #define IEEE80211_SCANGEN_LOCK_DESTROY(_st) 147 #define IEEE80211_SCANGEN_LOCK(_st) \ 148 IEEE80211_LOCK_IMPL(_st, st_scanlock) 149 #define IEEE80211_SCANGEN_UNLOCK(_st) \ 150 IEEE80211_UNLOCK_IMPL(_st, st_scanlock) 151 #define IEEE80211_SCANGEN_LOCK_ASSERT(_st) \ 152 IEEE80211_LOCK_ASSERT_IMPL(_st, st_scanlock) 153 154 /* 155 * Per-node power-save queue definitions. 156 */ 157 #define IEEE80211_NODE_SAVEQ_INIT(_ni, _name) do { \ 158 (_ni)->ni_savedq.ifq_maxlen = IEEE80211_PS_MAX_QUEUE; \ 159 } while (0) 160 #define IEEE80211_NODE_SAVEQ_DESTROY(_ni) 161 #define IEEE80211_NODE_SAVEQ_QLEN(_ni) ((_ni)->ni_savedq.ifq_len) 162 #define IEEE80211_NODE_SAVEQ_LOCK(_ni) 163 #define IEEE80211_NODE_SAVEQ_UNLOCK(_ni) 164 #define IEEE80211_NODE_SAVEQ_DEQUEUE(_ni, _m, _qlen) do { \ 165 IEEE80211_NODE_SAVEQ_LOCK(_ni); \ 166 IF_DEQUEUE(&(_ni)->ni_savedq, _m); \ 167 (_qlen) = IEEE80211_NODE_SAVEQ_QLEN(_ni); \ 168 IEEE80211_NODE_SAVEQ_UNLOCK(_ni); \ 169 } while (0) 170 #define IEEE80211_NODE_SAVEQ_DRAIN(_ni, _qlen) do { \ 171 IEEE80211_NODE_SAVEQ_LOCK(_ni); \ 172 (_qlen) = IEEE80211_NODE_SAVEQ_QLEN(_ni); \ 173 IF_PURGE(&(_ni)->ni_savedq); \ 174 IEEE80211_NODE_SAVEQ_UNLOCK(_ni); \ 175 } while (0) 176 /* XXX could be optimized */ 177 #define _IEEE80211_NODE_SAVEQ_DEQUEUE_HEAD(_ni, _m) do { \ 178 IF_DEQUEUE(&(_ni)->ni_savedq, m); \ 179 } while (0) 180 #define _IEEE80211_NODE_SAVEQ_ENQUEUE(_ni, _m, _qlen, _age) do {\ 181 (_m)->m_nextpkt = NULL; \ 182 if ((_ni)->ni_savedq.ifq_tail != NULL) { \ 183 _age -= M_AGE_GET((_ni)->ni_savedq.ifq_tail); \ 184 (_ni)->ni_savedq.ifq_tail->m_nextpkt = (_m); \ 185 } else { \ 186 (_ni)->ni_savedq.ifq_head = (_m); \ 187 } \ 188 M_AGE_SET(_m, _age); \ 189 (_ni)->ni_savedq.ifq_tail = (_m); \ 190 (_qlen) = ++(_ni)->ni_savedq.ifq_len; \ 191 } while (0) 192 193 #define IEEE80211_TAPQ_INIT(_tap) do { \ 194 (_tap)->txa_q.ifq_maxlen = IEEE80211_AGGR_BAWMAX; \ 195 } while (0) 196 #define IEEE80211_TAPQ_DESTROY(_tap) 197 198 #define IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do { \ 199 (mtail)->m_nextpkt = (ifq)->ifq_head; \ 200 if ((ifq)->ifq_tail == NULL) \ 201 (ifq)->ifq_tail = (mtail); \ 202 (ifq)->ifq_head = (mhead); \ 203 (ifq)->ifq_len += (mcount); \ 204 } while (0) 205 206 /* 207 * 802.1x MAC ACL database locking definitions. 208 */ 209 typedef struct ieee80211_lock acl_lock_t; 210 #define ACL_LOCK_INIT(_as, _name) \ 211 IEEE80211_LOCK_INIT_IMPL(_as, _name, as_lock) 212 #define ACL_LOCK_DESTROY(_as) 213 #define ACL_LOCK(_as) IEEE80211_LOCK_IMPL(_as, as_lock) 214 #define ACL_UNLOCK(_as) IEEE80211_UNLOCK_IMPL(_as, as_lock) 215 #define ACL_LOCK_ASSERT(_as) IEEE80211_LOCK_ASSERT_IMPL(_as, as_lock) 216 217 /* 218 * Node reference counting definitions. 219 * 220 * ieee80211_node_initref initialize the reference count to 1 221 * ieee80211_node_incref add a reference 222 * ieee80211_node_decref remove a reference 223 * ieee80211_node_dectestref remove a reference and return 1 if this 224 * is the last reference, otherwise 0 225 * ieee80211_node_refcnt reference count for printing (only) 226 */ 227 228 #define ieee80211_node_initref(_ni) \ 229 do { ((_ni)->ni_refcnt = 1); } while (0) 230 #define ieee80211_node_incref(_ni) \ 231 do { (_ni)->ni_refcnt++; } while (0) 232 #define ieee80211_node_decref(_ni) \ 233 do { (_ni)->ni_refcnt--; } while (0) 234 struct ieee80211_node; 235 int ieee80211_node_dectestref(struct ieee80211_node *ni); 236 #define ieee80211_node_refcnt(_ni) (_ni)->ni_refcnt 237 238 struct ifqueue; 239 void ieee80211_drain_ifq(struct ifqueue *); 240 241 #define msecs_to_ticks(ms) (((ms)*hz)/1000) 242 #define ticks_to_msecs(t) ((t) / hz) 243 #define time_after(a,b) ((long)(b) - (long)(a) < 0) 244 #define time_before(a,b) time_after(b,a) 245 #define time_after_eq(a,b) ((long)(a) - (long)(b) >= 0) 246 #define time_before_eq(a,b) time_after_eq(b,a) 247 248 struct mbuf *ieee80211_getmgtframe(uint8_t **frm, int, u_int pktlen); 249 250 /* tx path usage */ 251 #define M_PWR_SAV M_PROTO1 /* bypass PS handling */ 252 #define M_MORE_DATA M_LINK3 /* more data frames to follow */ 253 #define M_FRAG M_LINK4 /* 802.11 fragment */ 254 #define M_FIRSTFRAG M_LINK5 /* first 802.11 fragment */ 255 #define M_FF M_LINK6 /* "fast frames" */ 256 257 /* rx path usage */ 258 #define M_AMPDU M_PROTO1 /* A-MPDU processing done */ 259 #define M_WEP M_LINK3 /* WEP done by hardware */ /* XXXNH */ 260 #define M_80211_RX (M_AMPDU|M_WEP) 261 262 #ifdef __FreeBSD__ 263 /* tx path usage */ 264 #define M_LINK0 M_PROTO1 /* WEP requested */ 265 #define M_PWR_SAV M_PROTO4 /* bypass PS handling */ 266 #define M_MORE_DATA M_PROTO5 /* more data frames to follow */ 267 #define M_FF 0x20000 /* fast frame */ 268 #define M_TXCB 0x40000 /* do tx complete callback */ 269 #define M_80211_TX (0x60000|M_PROTO1|M_WME_AC_MASK|M_PROTO4|M_PROTO5) 270 271 /* rx path usage */ 272 #define M_AMPDU M_PROTO1 /* A-MPDU processing done */ 273 #define M_WEP M_PROTO2 /* WEP done by hardware */ 274 #define M_80211_RX (M_AMPDU|M_WEP) 275 #endif 276 277 /* 278 * Encode WME access control bits in the PROTO flags. 279 * This is safe since it's passed directly in to the 280 * driver and there's no chance someone else will clobber 281 * them on us. 282 */ 283 #define M_WME_AC_MASK (M_LINK1|M_LINK2) 284 /* XXX 5 is wrong if M_LINK* are redefined */ 285 #define M_WME_AC_SHIFT 13 286 287 #define M_WME_SETAC(m, ac) \ 288 ((m)->m_flags = ((m)->m_flags &~ M_WME_AC_MASK) | \ 289 ((ac) << M_WME_AC_SHIFT)) 290 #define M_WME_GETAC(m) (((m)->m_flags >> M_WME_AC_SHIFT) & 0x3) 291 292 /* 293 * Mbufs on the power save queue are tagged with an age and 294 * timed out. We reuse the hardware checksum field in the 295 * mbuf packet header to store this data. 296 */ 297 #define M_AGE_SET(m,v) (m->m_pkthdr.csum_data = v) 298 #define M_AGE_GET(m) (m->m_pkthdr.csum_data) 299 #define M_AGE_SUB(m,adj) (m->m_pkthdr.csum_data -= adj) 300 301 struct ieee80211_cb { 302 void (*func)(struct ieee80211_node *, void *, int status); 303 void *arg; 304 }; 305 #define NET80211_TAG_CALLBACK 0 /* xmit complete callback */ 306 int ieee80211_add_callback(struct mbuf *m, 307 void (*func)(struct ieee80211_node *, void *, int), void *arg); 308 void ieee80211_process_callback(struct ieee80211_node *, struct mbuf *, int); 309 310 struct ieee80211com; 311 312 /* XXX this stuff belongs elsewhere */ 313 /* 314 * Message formats for messages from the net80211 layer to user 315 * applications via the routing socket. These messages are appended 316 * to an if_announcemsghdr structure. 317 */ 318 struct ieee80211_join_event { 319 uint8_t iev_addr[6]; 320 }; 321 322 struct ieee80211_leave_event { 323 uint8_t iev_addr[6]; 324 }; 325 326 struct ieee80211_replay_event { 327 uint8_t iev_src[6]; /* src MAC */ 328 uint8_t iev_dst[6]; /* dst MAC */ 329 uint8_t iev_cipher; /* cipher type */ 330 uint8_t iev_keyix; /* key id/index */ 331 uint64_t iev_keyrsc; /* RSC from key */ 332 uint64_t iev_rsc; /* RSC from frame */ 333 }; 334 335 struct ieee80211_michael_event { 336 uint8_t iev_src[6]; /* src MAC */ 337 uint8_t iev_dst[6]; /* dst MAC */ 338 uint8_t iev_cipher; /* cipher type */ 339 uint8_t iev_keyix; /* key id/index */ 340 }; 341 342 #define RTM_IEEE80211_ASSOC 100 /* station associate (bss mode) */ 343 #define RTM_IEEE80211_REASSOC 101 /* station re-associate (bss mode) */ 344 #define RTM_IEEE80211_DISASSOC 102 /* station disassociate (bss mode) */ 345 #define RTM_IEEE80211_JOIN 103 /* station join (ap mode) */ 346 #define RTM_IEEE80211_LEAVE 104 /* station leave (ap mode) */ 347 #define RTM_IEEE80211_SCAN 105 /* scan complete, results available */ 348 #define RTM_IEEE80211_REPLAY 106 /* sequence counter replay detected */ 349 #define RTM_IEEE80211_MICHAEL 107 /* Michael MIC failure detected */ 350 #define RTM_IEEE80211_REJOIN 108 /* station re-associate (ap mode) */ 351 352 #define __offsetof offsetof 353 #define ticks hardclock_ticks 354 #define ovbcopy(__src, __dst, __n) ((void)memmove(__dst, __src, __n)) 355 356 #define TAILQ_FOREACH_SAFE(var, head, field, nextvar) \ 357 for (var = TAILQ_FIRST(head); \ 358 var != NULL && (nextvar = TAILQ_NEXT(var, field), 1); \ 359 var = nextvar) 360 361 void if_printf(struct ifnet *, const char *, ...); 362 void m_align(struct mbuf *, int); 363 int m_append(struct mbuf *, int, const void *); 364 void get_random_bytes(void *, size_t); 365 366 void ieee80211_sysctl_attach(struct ieee80211com *); 367 void ieee80211_sysctl_detach(struct ieee80211com *); 368 void ieee80211_load_module(const char *); 369 370 void net80211_init(void); 371 #define IEEE80211_CRYPTO_SETUP(name) \ 372 static void name(void); \ 373 __link_set_add_text(ieee80211_funcs, name); \ 374 static void name(void) 375 376 #endif /* !_NET80211_IEEE80211_NETBSD_H_ */ 377
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