1 /*- 2 * Copyright (c) 2003-2008 Sam Leffler, Errno Consulting 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * 25 * $FreeBSD$ 26 */ 27 #ifndef _FBSD_COMPAT_NET80211_IEEE80211_HAIKU_H_ 28 #define _FBSD_COMPAT_NET80211_IEEE80211_HAIKU_H_ 29 30 31 #include <stdint.h> 32 33 34 #ifdef _KERNEL 35 36 # ifdef __cplusplus 37 // Those includes are needed to avoid C/C++ function export clashes 38 # include <new> 39 # include <thread.h> 40 extern "C" { 41 # endif 42 43 #define INVARIANTS 1 44 45 #include <sys/kernel.h> 46 #include <sys/mutex.h> 47 #include <sys/sysctl.h> 48 #include <sys/taskqueue.h> 49 50 51 #define IEEE80211_CRYPTO_MODULE(name, version) \ 52 void \ 53 ieee80211_crypto_##name##_load() { \ 54 ieee80211_crypto_register(&name); \ 55 } \ 56 \ 57 \ 58 void \ 59 ieee80211_crypto_##name##_unload() \ 60 { \ 61 ieee80211_crypto_unregister(&name); \ 62 } 63 64 65 /* 66 * Common state locking definitions. 67 */ 68 typedef struct { 69 char name[16]; /* e.g. "ath0_com_lock" */ 70 struct mtx mtx; 71 } ieee80211_com_lock_t; 72 #define IEEE80211_LOCK_INIT(_ic, _name) do { \ 73 ieee80211_com_lock_t *cl = &(_ic)->ic_comlock; \ 74 snprintf(cl->name, sizeof(cl->name), "%s_com_lock", _name); \ 75 mtx_init(&cl->mtx, cl->name, NULL, MTX_DEF | MTX_RECURSE); \ 76 } while (0) 77 #define IEEE80211_LOCK_OBJ(_ic) (&(_ic)->ic_comlock.mtx) 78 #define IEEE80211_LOCK_DESTROY(_ic) mtx_destroy(IEEE80211_LOCK_OBJ(_ic)) 79 #define IEEE80211_LOCK(_ic) mtx_lock(IEEE80211_LOCK_OBJ(_ic)) 80 #define IEEE80211_UNLOCK(_ic) mtx_unlock(IEEE80211_LOCK_OBJ(_ic)) 81 #define IEEE80211_LOCK_ASSERT(_ic) \ 82 mtx_assert(IEEE80211_LOCK_OBJ(_ic), MA_OWNED) 83 84 /* 85 * Node locking definitions. 86 */ 87 typedef struct { 88 char name[16]; /* e.g. "ath0_node_lock" */ 89 struct mtx mtx; 90 } ieee80211_node_lock_t; 91 #define IEEE80211_NODE_LOCK_INIT(_nt, _name) do { \ 92 ieee80211_node_lock_t *nl = &(_nt)->nt_nodelock; \ 93 snprintf(nl->name, sizeof(nl->name), "%s_node_lock", _name); \ 94 mtx_init(&nl->mtx, nl->name, NULL, MTX_DEF | MTX_RECURSE); \ 95 } while (0) 96 #define IEEE80211_NODE_LOCK_OBJ(_nt) (&(_nt)->nt_nodelock.mtx) 97 #define IEEE80211_NODE_LOCK_DESTROY(_nt) \ 98 mtx_destroy(IEEE80211_NODE_LOCK_OBJ(_nt)) 99 #define IEEE80211_NODE_LOCK(_nt) \ 100 mtx_lock(IEEE80211_NODE_LOCK_OBJ(_nt)) 101 #define IEEE80211_NODE_IS_LOCKED(_nt) \ 102 mtx_owned(IEEE80211_NODE_LOCK_OBJ(_nt)) 103 #define IEEE80211_NODE_UNLOCK(_nt) \ 104 mtx_unlock(IEEE80211_NODE_LOCK_OBJ(_nt)) 105 #define IEEE80211_NODE_LOCK_ASSERT(_nt) \ 106 mtx_assert(IEEE80211_NODE_LOCK_OBJ(_nt), MA_OWNED) 107 108 /* 109 * Node table iteration locking definitions; this protects the 110 * scan generation # used to iterate over the station table 111 * while grabbing+releasing the node lock. 112 */ 113 typedef struct { 114 char name[16]; /* e.g. "ath0_scan_lock" */ 115 struct mtx mtx; 116 } ieee80211_scan_lock_t; 117 #define IEEE80211_NODE_ITERATE_LOCK_INIT(_nt, _name) do { \ 118 ieee80211_scan_lock_t *sl = &(_nt)->nt_scanlock; \ 119 snprintf(sl->name, sizeof(sl->name), "%s_scan_lock", _name); \ 120 mtx_init(&sl->mtx, sl->name, NULL, MTX_DEF); \ 121 } while (0) 122 #define IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt) (&(_nt)->nt_scanlock.mtx) 123 #define IEEE80211_NODE_ITERATE_LOCK_DESTROY(_nt) \ 124 mtx_destroy(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt)) 125 #define IEEE80211_NODE_ITERATE_LOCK(_nt) \ 126 mtx_lock(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt)) 127 #define IEEE80211_NODE_ITERATE_UNLOCK(_nt) \ 128 mtx_unlock(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt)) 129 130 /* 131 * Power-save queue definitions. 132 */ 133 typedef struct mtx ieee80211_psq_lock_t; 134 #define IEEE80211_PSQ_INIT(_psq, _name) \ 135 mtx_init(&(_psq)->psq_lock, _name, "802.11 ps q", MTX_DEF) 136 #define IEEE80211_PSQ_DESTROY(_psq) mtx_destroy(&(_psq)->psq_lock) 137 #define IEEE80211_PSQ_LOCK(_psq) mtx_lock(&(_psq)->psq_lock) 138 #define IEEE80211_PSQ_UNLOCK(_psq) mtx_unlock(&(_psq)->psq_lock) 139 140 #ifndef IF_PREPEND_LIST 141 #define _IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do { \ 142 (mtail)->m_nextpkt = (ifq)->ifq_head; \ 143 if ((ifq)->ifq_tail == NULL) \ 144 (ifq)->ifq_tail = (mtail); \ 145 (ifq)->ifq_head = (mhead); \ 146 (ifq)->ifq_len += (mcount); \ 147 } while (0) 148 #define IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do { \ 149 IF_LOCK(ifq); \ 150 _IF_PREPEND_LIST(ifq, mhead, mtail, mcount); \ 151 IF_UNLOCK(ifq); \ 152 } while (0) 153 #endif /* IF_PREPEND_LIST */ 154 155 /* 156 * Age queue definitions. 157 */ 158 typedef struct mtx ieee80211_ageq_lock_t; 159 #define IEEE80211_AGEQ_INIT(_aq, _name) \ 160 mtx_init(&(_aq)->aq_lock, _name, "802.11 age q", MTX_DEF) 161 #define IEEE80211_AGEQ_DESTROY(_aq) mtx_destroy(&(_aq)->aq_lock) 162 #define IEEE80211_AGEQ_LOCK(_aq) mtx_lock(&(_aq)->aq_lock) 163 #define IEEE80211_AGEQ_UNLOCK(_aq) mtx_unlock(&(_aq)->aq_lock) 164 165 /* 166 * Scan table definitions. 167 */ 168 typedef struct mtx ieee80211_scan_table_lock_t; 169 #define IEEE80211_SCAN_TABLE_LOCK_INIT(_st, _name) \ 170 mtx_init(&(_st)->st_lock, _name, "802.11 scan table", MTX_DEF) 171 #define IEEE80211_SCAN_TABLE_LOCK_DESTROY(_st) mtx_destroy(&(_st)->st_lock) 172 #define IEEE80211_SCAN_TABLE_LOCK(_st) mtx_lock(&(_st)->st_lock) 173 #define IEEE80211_SCAN_TABLE_UNLOCK(_st) mtx_unlock(&(_st)->st_lock) 174 175 /* 176 * Node reference counting definitions. 177 * 178 * ieee80211_node_initref initialize the reference count to 1 179 * ieee80211_node_incref add a reference 180 * ieee80211_node_decref remove a reference 181 * ieee80211_node_dectestref remove a reference and return 1 if this 182 * is the last reference, otherwise 0 183 * ieee80211_node_refcnt reference count for printing (only) 184 */ 185 #include <machine/atomic.h> 186 187 #define ieee80211_node_initref(_ni) \ 188 do { ((_ni)->ni_refcnt = 1); } while (0) 189 #define ieee80211_node_incref(_ni) \ 190 atomic_add_int(&(_ni)->ni_refcnt, 1) 191 #define ieee80211_node_decref(_ni) \ 192 atomic_subtract_int(&(_ni)->ni_refcnt, 1) 193 struct ieee80211_node; 194 int ieee80211_node_dectestref(struct ieee80211_node *ni); 195 #define ieee80211_node_refcnt(_ni) (_ni)->ni_refcnt 196 197 struct ifqueue; 198 struct ieee80211vap; 199 void ieee80211_drain_ifq(struct ifqueue *); 200 void ieee80211_flush_ifq(struct ifqueue *, struct ieee80211vap *); 201 202 void ieee80211_vap_destroy(struct ieee80211vap *); 203 204 #define IFNET_IS_UP_RUNNING(_ifp) \ 205 (((_ifp)->if_flags & IFF_UP) && \ 206 ((_ifp)->if_drv_flags & IFF_DRV_RUNNING)) 207 208 #define msecs_to_ticks(ms) (((ms)*hz)/1000) 209 #define ticks_to_msecs(t) (1000*(t) / hz) 210 #define ticks_to_secs(t) ((t) / hz) 211 #define time_after(a,b) ((long long)(b) - (long long)(a) < 0) 212 #define time_before(a,b) time_after(b,a) 213 #define time_after_eq(a,b) ((long long)(a) - (long long)(b) >= 0) 214 #define time_before_eq(a,b) time_after_eq(b,a) 215 216 struct mbuf *ieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen); 217 218 /* tx path usage */ 219 #define M_ENCAP M_PROTO1 /* 802.11 encap done */ 220 #define M_EAPOL M_PROTO3 /* PAE/EAPOL frame */ 221 #define M_PWR_SAV M_PROTO4 /* bypass PS handling */ 222 #define M_MORE_DATA M_PROTO5 /* more data frames to follow */ 223 #define M_FF M_PROTO6 /* fast frame */ 224 #define M_TXCB M_PROTO7 /* do tx complete callback */ 225 #define M_AMPDU_MPDU M_PROTO8 /* ok for A-MPDU aggregation */ 226 #define M_80211_TX \ 227 (M_FRAG|M_FIRSTFRAG|M_LASTFRAG|M_ENCAP|M_EAPOL|M_PWR_SAV|\ 228 M_MORE_DATA|M_FF|M_TXCB|M_AMPDU_MPDU) 229 230 /* rx path usage */ 231 #define M_AMPDU M_PROTO1 /* A-MPDU subframe */ 232 #define M_WEP M_PROTO2 /* WEP done by hardware */ 233 #if 0 234 #define M_AMPDU_MPDU M_PROTO8 /* A-MPDU re-order done */ 235 #endif 236 #define M_80211_RX (M_AMPDU|M_WEP|M_AMPDU_MPDU) 237 238 /* 239 * Store WME access control bits in the vlan tag. 240 * This is safe since it's done after the packet is classified 241 * (where we use any previous tag) and because it's passed 242 * directly in to the driver and there's no chance someone 243 * else will clobber them on us. 244 */ 245 #define M_WME_SETAC(m, ac) \ 246 ((m)->m_pkthdr.ether_vtag = (ac)) 247 #define M_WME_GETAC(m) ((m)->m_pkthdr.ether_vtag) 248 249 /* 250 * Mbufs on the power save queue are tagged with an age and 251 * timed out. We reuse the hardware checksum field in the 252 * mbuf packet header to store this data. 253 */ 254 #define M_AGE_SET(m,v) (m->m_pkthdr.csum_data = v) 255 #define M_AGE_GET(m) (m->m_pkthdr.csum_data) 256 #define M_AGE_SUB(m,adj) (m->m_pkthdr.csum_data -= adj) 257 258 /* 259 * Store the sequence number. 260 */ 261 #define M_SEQNO_SET(m, seqno) \ 262 ((m)->m_pkthdr.tso_segsz = (seqno)) 263 #define M_SEQNO_GET(m) ((m)->m_pkthdr.tso_segsz) 264 265 #define MTAG_ABI_NET80211 1132948340 /* net80211 ABI */ 266 267 struct ieee80211_cb { 268 void (*func)(struct ieee80211_node *, void *, int status); 269 void *arg; 270 }; 271 #define NET80211_TAG_CALLBACK 0 /* xmit complete callback */ 272 273 int ieee80211_add_callback(struct mbuf *m, 274 void (*func)(struct ieee80211_node *, void *, int), void *arg); 275 void ieee80211_process_callback(struct ieee80211_node *, struct mbuf *, int); 276 277 void get_random_bytes(void *, size_t); 278 279 struct ieee80211com; 280 281 void ieee80211_sysctl_attach(struct ieee80211com *); 282 void ieee80211_sysctl_detach(struct ieee80211com *); 283 void ieee80211_sysctl_vattach(struct ieee80211vap *); 284 void ieee80211_sysctl_vdetach(struct ieee80211vap *); 285 286 void ieee80211_load_module(const char *); 287 288 /* 289 * A "policy module" is an adjunct module to net80211 that provides 290 * functionality that typically includes policy decisions. This 291 * modularity enables extensibility and vendor-supplied functionality. 292 */ 293 #define _IEEE80211_POLICY_MODULE(policy, name, version) \ 294 typedef void (*policy##_setup)(int); \ 295 SET_DECLARE(policy##_set, policy##_setup); 296 297 /* 298 * Authenticator modules handle 802.1x/WPA authentication. 299 */ 300 #define IEEE80211_AUTH_MODULE(name, version) \ 301 _IEEE80211_POLICY_MODULE(auth, name, version) 302 303 #define IEEE80211_AUTH_ALG(name, alg, v) \ 304 static void \ 305 name##_modevent(int type) \ 306 { \ 307 if (type == MOD_LOAD) \ 308 ieee80211_authenticator_register(alg, &v); \ 309 else \ 310 ieee80211_authenticator_unregister(alg); \ 311 } \ 312 TEXT_SET(auth_set, name##_modevent) 313 314 /* 315 * Scanner modules provide scanning policy. 316 */ 317 #define IEEE80211_SCANNER_MODULE(name, version) 318 #define IEEE80211_SCANNER_ALG(name, alg, v) 319 320 321 void ieee80211_scan_sta_init(void); 322 void ieee80211_scan_sta_uninit(void); 323 324 325 /* 326 * Rate control modules provide tx rate control support. 327 */ 328 #define IEEE80211_RATECTL_MODULE(alg, version) \ 329 _IEEE80211_POLICY_MODULE(ratectl, alg, version); \ 330 331 #define IEEE80211_RATECTL_ALG(name, alg, v) \ 332 void \ 333 ieee80211_ratectl_##name##_load() { \ 334 ieee80211_ratectl_register(alg, &v); \ 335 } \ 336 \ 337 \ 338 void \ 339 ieee80211_ratectl_##name##_unload() \ 340 { \ 341 ieee80211_ratectl_unregister(alg); \ 342 } 343 344 345 struct ieee80211req; 346 typedef int ieee80211_ioctl_getfunc(struct ieee80211vap *, 347 struct ieee80211req *); 348 SET_DECLARE(ieee80211_ioctl_getset, ieee80211_ioctl_getfunc); 349 #define IEEE80211_IOCTL_GET(_name, _get) TEXT_SET(ieee80211_ioctl_getset, _get) 350 351 typedef int ieee80211_ioctl_setfunc(struct ieee80211vap *, 352 struct ieee80211req *); 353 SET_DECLARE(ieee80211_ioctl_setset, ieee80211_ioctl_setfunc); 354 #define IEEE80211_IOCTL_SET(_name, _set) TEXT_SET(ieee80211_ioctl_setset, _set) 355 356 #ifdef __cplusplus 357 } 358 #endif 359 #endif /* _KERNEL */ 360 361 /* 362 * Structure prepended to raw packets sent through the bpf 363 * interface when set to DLT_IEEE802_11_RADIO. This allows 364 * user applications to specify pretty much everything in 365 * an Atheros tx descriptor. XXX need to generalize. 366 * 367 * XXX cannot be more than 14 bytes as it is copied to a sockaddr's 368 * XXX sa_data area. 369 */ 370 struct ieee80211_bpf_params { 371 uint8_t ibp_vers; /* version */ 372 #define IEEE80211_BPF_VERSION 0 373 uint8_t ibp_len; /* header length in bytes */ 374 uint8_t ibp_flags; 375 #define IEEE80211_BPF_SHORTPRE 0x01 /* tx with short preamble */ 376 #define IEEE80211_BPF_NOACK 0x02 /* tx with no ack */ 377 #define IEEE80211_BPF_CRYPTO 0x04 /* tx with h/w encryption */ 378 #define IEEE80211_BPF_FCS 0x10 /* frame incldues FCS */ 379 #define IEEE80211_BPF_DATAPAD 0x20 /* frame includes data padding */ 380 #define IEEE80211_BPF_RTS 0x40 /* tx with RTS/CTS */ 381 #define IEEE80211_BPF_CTS 0x80 /* tx with CTS only */ 382 uint8_t ibp_pri; /* WME/WMM AC+tx antenna */ 383 uint8_t ibp_try0; /* series 1 try count */ 384 uint8_t ibp_rate0; /* series 1 IEEE tx rate */ 385 uint8_t ibp_power; /* tx power (device units) */ 386 uint8_t ibp_ctsrate; /* IEEE tx rate for CTS */ 387 uint8_t ibp_try1; /* series 2 try count */ 388 uint8_t ibp_rate1; /* series 2 IEEE tx rate */ 389 uint8_t ibp_try2; /* series 3 try count */ 390 uint8_t ibp_rate2; /* series 3 IEEE tx rate */ 391 uint8_t ibp_try3; /* series 4 try count */ 392 uint8_t ibp_rate3; /* series 4 IEEE tx rate */ 393 }; 394 395 #endif /* _FBSD_COMPAT_NET80211_IEEE80211_HAIKU_H_ */ 396