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 44 #include <sys/kernel.h> 45 #include <sys/mutex.h> 46 #include <sys/sysctl.h> 47 #include <sys/taskqueue.h> 48 49 50 #define IEEE80211_CRYPTO_MODULE(name, version) \ 51 void \ 52 ieee80211_crypto_##name##_load() { \ 53 ieee80211_crypto_register(&name); \ 54 } \ 55 \ 56 \ 57 void \ 58 ieee80211_crypto_##name##_unload() \ 59 { \ 60 ieee80211_crypto_unregister(&name); \ 61 } 62 63 64 /* 65 * Common state locking definitions. 66 */ 67 typedef struct { 68 char name[16]; /* e.g. "ath0_com_lock" */ 69 struct mtx mtx; 70 } ieee80211_com_lock_t; 71 #define IEEE80211_LOCK_INIT(_ic, _name) do { \ 72 ieee80211_com_lock_t *cl = &(_ic)->ic_comlock; \ 73 snprintf(cl->name, sizeof(cl->name), "%s_com_lock", _name); \ 74 mtx_init(&cl->mtx, cl->name, NULL, MTX_DEF | MTX_RECURSE); \ 75 } while (0) 76 #define IEEE80211_LOCK_OBJ(_ic) (&(_ic)->ic_comlock.mtx) 77 #define IEEE80211_LOCK_DESTROY(_ic) mtx_destroy(IEEE80211_LOCK_OBJ(_ic)) 78 #define IEEE80211_LOCK(_ic) mtx_lock(IEEE80211_LOCK_OBJ(_ic)) 79 #define IEEE80211_UNLOCK(_ic) mtx_unlock(IEEE80211_LOCK_OBJ(_ic)) 80 #define IEEE80211_LOCK_ASSERT(_ic) \ 81 mtx_assert(IEEE80211_LOCK_OBJ(_ic), MA_OWNED) 82 83 /* 84 * Node locking definitions. 85 */ 86 typedef struct { 87 char name[16]; /* e.g. "ath0_node_lock" */ 88 struct mtx mtx; 89 } ieee80211_node_lock_t; 90 #define IEEE80211_NODE_LOCK_INIT(_nt, _name) do { \ 91 ieee80211_node_lock_t *nl = &(_nt)->nt_nodelock; \ 92 snprintf(nl->name, sizeof(nl->name), "%s_node_lock", _name); \ 93 mtx_init(&nl->mtx, nl->name, NULL, MTX_DEF | MTX_RECURSE); \ 94 } while (0) 95 #define IEEE80211_NODE_LOCK_OBJ(_nt) (&(_nt)->nt_nodelock.mtx) 96 #define IEEE80211_NODE_LOCK_DESTROY(_nt) \ 97 mtx_destroy(IEEE80211_NODE_LOCK_OBJ(_nt)) 98 #define IEEE80211_NODE_LOCK(_nt) \ 99 mtx_lock(IEEE80211_NODE_LOCK_OBJ(_nt)) 100 #define IEEE80211_NODE_IS_LOCKED(_nt) \ 101 mtx_owned(IEEE80211_NODE_LOCK_OBJ(_nt)) 102 #define IEEE80211_NODE_UNLOCK(_nt) \ 103 mtx_unlock(IEEE80211_NODE_LOCK_OBJ(_nt)) 104 #define IEEE80211_NODE_LOCK_ASSERT(_nt) \ 105 mtx_assert(IEEE80211_NODE_LOCK_OBJ(_nt), MA_OWNED) 106 107 /* 108 * Node table iteration locking definitions; this protects the 109 * scan generation # used to iterate over the station table 110 * while grabbing+releasing the node lock. 111 */ 112 typedef struct { 113 char name[16]; /* e.g. "ath0_scan_lock" */ 114 struct mtx mtx; 115 } ieee80211_scan_lock_t; 116 #define IEEE80211_NODE_ITERATE_LOCK_INIT(_nt, _name) do { \ 117 ieee80211_scan_lock_t *sl = &(_nt)->nt_scanlock; \ 118 snprintf(sl->name, sizeof(sl->name), "%s_scan_lock", _name); \ 119 mtx_init(&sl->mtx, sl->name, NULL, MTX_DEF); \ 120 } while (0) 121 #define IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt) (&(_nt)->nt_scanlock.mtx) 122 #define IEEE80211_NODE_ITERATE_LOCK_DESTROY(_nt) \ 123 mtx_destroy(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt)) 124 #define IEEE80211_NODE_ITERATE_LOCK(_nt) \ 125 mtx_lock(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt)) 126 #define IEEE80211_NODE_ITERATE_UNLOCK(_nt) \ 127 mtx_unlock(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt)) 128 129 /* 130 * Power-save queue definitions. 131 */ 132 typedef struct mtx ieee80211_psq_lock_t; 133 #define IEEE80211_PSQ_INIT(_psq, _name) \ 134 mtx_init(&(_psq)->psq_lock, _name, "802.11 ps q", MTX_DEF) 135 #define IEEE80211_PSQ_DESTROY(_psq) mtx_destroy(&(_psq)->psq_lock) 136 #define IEEE80211_PSQ_LOCK(_psq) mtx_lock(&(_psq)->psq_lock) 137 #define IEEE80211_PSQ_UNLOCK(_psq) mtx_unlock(&(_psq)->psq_lock) 138 139 #ifndef IF_PREPEND_LIST 140 #define _IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do { \ 141 (mtail)->m_nextpkt = (ifq)->ifq_head; \ 142 if ((ifq)->ifq_tail == NULL) \ 143 (ifq)->ifq_tail = (mtail); \ 144 (ifq)->ifq_head = (mhead); \ 145 (ifq)->ifq_len += (mcount); \ 146 } while (0) 147 #define IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do { \ 148 IF_LOCK(ifq); \ 149 _IF_PREPEND_LIST(ifq, mhead, mtail, mcount); \ 150 IF_UNLOCK(ifq); \ 151 } while (0) 152 #endif /* IF_PREPEND_LIST */ 153 154 /* 155 * Age queue definitions. 156 */ 157 typedef struct mtx ieee80211_ageq_lock_t; 158 #define IEEE80211_AGEQ_INIT(_aq, _name) \ 159 mtx_init(&(_aq)->aq_lock, _name, "802.11 age q", MTX_DEF) 160 #define IEEE80211_AGEQ_DESTROY(_aq) mtx_destroy(&(_aq)->aq_lock) 161 #define IEEE80211_AGEQ_LOCK(_aq) mtx_lock(&(_aq)->aq_lock) 162 #define IEEE80211_AGEQ_UNLOCK(_aq) mtx_unlock(&(_aq)->aq_lock) 163 164 /* 165 * Node reference counting definitions. 166 * 167 * ieee80211_node_initref initialize the reference count to 1 168 * ieee80211_node_incref add a reference 169 * ieee80211_node_decref remove a reference 170 * ieee80211_node_dectestref remove a reference and return 1 if this 171 * is the last reference, otherwise 0 172 * ieee80211_node_refcnt reference count for printing (only) 173 */ 174 #include <machine/atomic.h> 175 176 #define ieee80211_node_initref(_ni) \ 177 do { ((_ni)->ni_refcnt = 1); } while (0) 178 #define ieee80211_node_incref(_ni) \ 179 atomic_add_int(&(_ni)->ni_refcnt, 1) 180 #define ieee80211_node_decref(_ni) \ 181 atomic_subtract_int(&(_ni)->ni_refcnt, 1) 182 struct ieee80211_node; 183 int ieee80211_node_dectestref(struct ieee80211_node *ni); 184 #define ieee80211_node_refcnt(_ni) (_ni)->ni_refcnt 185 186 struct ifqueue; 187 struct ieee80211vap; 188 void ieee80211_drain_ifq(struct ifqueue *); 189 void ieee80211_flush_ifq(struct ifqueue *, struct ieee80211vap *); 190 191 void ieee80211_vap_destroy(struct ieee80211vap *); 192 193 #define IFNET_IS_UP_RUNNING(_ifp) \ 194 (((_ifp)->if_flags & IFF_UP) && \ 195 ((_ifp)->if_drv_flags & IFF_DRV_RUNNING)) 196 197 #define msecs_to_ticks(ms) (((ms)*hz)/1000) 198 #define ticks_to_msecs(t) (1000*(t) / hz) 199 #define ticks_to_secs(t) ((t) / hz) 200 #define time_after(a,b) ((long long)(b) - (long long)(a) < 0) 201 #define time_before(a,b) time_after(b,a) 202 #define time_after_eq(a,b) ((long long)(a) - (long long)(b) >= 0) 203 #define time_before_eq(a,b) time_after_eq(b,a) 204 205 struct mbuf *ieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen); 206 207 /* tx path usage */ 208 #define M_ENCAP M_PROTO1 /* 802.11 encap done */ 209 #define M_EAPOL M_PROTO3 /* PAE/EAPOL frame */ 210 #define M_PWR_SAV M_PROTO4 /* bypass PS handling */ 211 #define M_MORE_DATA M_PROTO5 /* more data frames to follow */ 212 #define M_FF M_PROTO6 /* fast frame */ 213 #define M_TXCB M_PROTO7 /* do tx complete callback */ 214 #define M_AMPDU_MPDU M_PROTO8 /* ok for A-MPDU aggregation */ 215 #define M_80211_TX \ 216 (M_FRAG|M_FIRSTFRAG|M_LASTFRAG|M_ENCAP|M_EAPOL|M_PWR_SAV|\ 217 M_MORE_DATA|M_FF|M_TXCB|M_AMPDU_MPDU) 218 219 /* rx path usage */ 220 #define M_AMPDU M_PROTO1 /* A-MPDU subframe */ 221 #define M_WEP M_PROTO2 /* WEP done by hardware */ 222 #if 0 223 #define M_AMPDU_MPDU M_PROTO8 /* A-MPDU re-order done */ 224 #endif 225 #define M_80211_RX (M_AMPDU|M_WEP|M_AMPDU_MPDU) 226 227 /* 228 * Store WME access control bits in the vlan tag. 229 * This is safe since it's done after the packet is classified 230 * (where we use any previous tag) and because it's passed 231 * directly in to the driver and there's no chance someone 232 * else will clobber them on us. 233 */ 234 #define M_WME_SETAC(m, ac) \ 235 ((m)->m_pkthdr.ether_vtag = (ac)) 236 #define M_WME_GETAC(m) ((m)->m_pkthdr.ether_vtag) 237 238 /* 239 * Mbufs on the power save queue are tagged with an age and 240 * timed out. We reuse the hardware checksum field in the 241 * mbuf packet header to store this data. 242 */ 243 #define M_AGE_SET(m,v) (m->m_pkthdr.csum_data = v) 244 #define M_AGE_GET(m) (m->m_pkthdr.csum_data) 245 #define M_AGE_SUB(m,adj) (m->m_pkthdr.csum_data -= adj) 246 247 /* 248 * Store the sequence number. 249 */ 250 #define M_SEQNO_SET(m, seqno) \ 251 ((m)->m_pkthdr.tso_segsz = (seqno)) 252 #define M_SEQNO_GET(m) ((m)->m_pkthdr.tso_segsz) 253 254 #define MTAG_ABI_NET80211 1132948340 /* net80211 ABI */ 255 256 struct ieee80211_cb { 257 void (*func)(struct ieee80211_node *, void *, int status); 258 void *arg; 259 }; 260 #define NET80211_TAG_CALLBACK 0 /* xmit complete callback */ 261 262 int ieee80211_add_callback(struct mbuf *m, 263 void (*func)(struct ieee80211_node *, void *, int), void *arg); 264 void ieee80211_process_callback(struct ieee80211_node *, struct mbuf *, int); 265 266 void get_random_bytes(void *, size_t); 267 268 struct ieee80211com; 269 270 void ieee80211_sysctl_attach(struct ieee80211com *); 271 void ieee80211_sysctl_detach(struct ieee80211com *); 272 void ieee80211_sysctl_vattach(struct ieee80211vap *); 273 void ieee80211_sysctl_vdetach(struct ieee80211vap *); 274 275 void ieee80211_load_module(const char *); 276 277 /* 278 * A "policy module" is an adjunct module to net80211 that provides 279 * functionality that typically includes policy decisions. This 280 * modularity enables extensibility and vendor-supplied functionality. 281 */ 282 #define _IEEE80211_POLICY_MODULE(policy, name, version) \ 283 typedef void (*policy##_setup)(int); \ 284 SET_DECLARE(policy##_set, policy##_setup); 285 286 /* 287 * Scanner modules provide scanning policy. 288 */ 289 #define IEEE80211_SCANNER_MODULE(name, version) 290 #define IEEE80211_SCANNER_ALG(name, alg, v) 291 292 293 void ieee80211_scan_sta_init(void); 294 void ieee80211_scan_sta_uninit(void); 295 296 297 struct ieee80211req; 298 typedef int ieee80211_ioctl_getfunc(struct ieee80211vap *, 299 struct ieee80211req *); 300 SET_DECLARE(ieee80211_ioctl_getset, ieee80211_ioctl_getfunc); 301 #define IEEE80211_IOCTL_GET(_name, _get) TEXT_SET(ieee80211_ioctl_getset, _get) 302 303 typedef int ieee80211_ioctl_setfunc(struct ieee80211vap *, 304 struct ieee80211req *); 305 SET_DECLARE(ieee80211_ioctl_setset, ieee80211_ioctl_setfunc); 306 #define IEEE80211_IOCTL_SET(_name, _set) TEXT_SET(ieee80211_ioctl_setset, _set) 307 308 #ifdef __cplusplus 309 } 310 #endif 311 #endif /* _KERNEL */ 312 313 /* 314 * Structure prepended to raw packets sent through the bpf 315 * interface when set to DLT_IEEE802_11_RADIO. This allows 316 * user applications to specify pretty much everything in 317 * an Atheros tx descriptor. XXX need to generalize. 318 * 319 * XXX cannot be more than 14 bytes as it is copied to a sockaddr's 320 * XXX sa_data area. 321 */ 322 struct ieee80211_bpf_params { 323 uint8_t ibp_vers; /* version */ 324 #define IEEE80211_BPF_VERSION 0 325 uint8_t ibp_len; /* header length in bytes */ 326 uint8_t ibp_flags; 327 #define IEEE80211_BPF_SHORTPRE 0x01 /* tx with short preamble */ 328 #define IEEE80211_BPF_NOACK 0x02 /* tx with no ack */ 329 #define IEEE80211_BPF_CRYPTO 0x04 /* tx with h/w encryption */ 330 #define IEEE80211_BPF_FCS 0x10 /* frame incldues FCS */ 331 #define IEEE80211_BPF_DATAPAD 0x20 /* frame includes data padding */ 332 #define IEEE80211_BPF_RTS 0x40 /* tx with RTS/CTS */ 333 #define IEEE80211_BPF_CTS 0x80 /* tx with CTS only */ 334 uint8_t ibp_pri; /* WME/WMM AC+tx antenna */ 335 uint8_t ibp_try0; /* series 1 try count */ 336 uint8_t ibp_rate0; /* series 1 IEEE tx rate */ 337 uint8_t ibp_power; /* tx power (device units) */ 338 uint8_t ibp_ctsrate; /* IEEE tx rate for CTS */ 339 uint8_t ibp_try1; /* series 2 try count */ 340 uint8_t ibp_rate1; /* series 2 IEEE tx rate */ 341 uint8_t ibp_try2; /* series 3 try count */ 342 uint8_t ibp_rate2; /* series 3 IEEE tx rate */ 343 uint8_t ibp_try3; /* series 4 try count */ 344 uint8_t ibp_rate3; /* series 4 IEEE tx rate */ 345 }; 346 347 #endif /* _FBSD_COMPAT_NET80211_IEEE80211_HAIKU_H_ */ 348