sys/netproto/802_11/ieee80211_dragonfly.h

   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: head/sys/net80211/ieee80211_freebsd.h 195618 2009-07-11 15:02:45Z rpaulo $
  26  * $DragonFly$
  27  */
  28 #ifndef _NET80211_IEEE80211_DRAGONFLY_H_
  29 #define _NET80211_IEEE80211_DRAGONFLY_H_
  30
  31 #ifdef _KERNEL
  32 #include <sys/param.h>
  33 #include <sys/types.h>
  34 #include <sys/lock.h>
  35 #include <sys/mutex2.h>
  36 #include <sys/sysctl.h>
  37 #include <sys/taskqueue.h>
  38
  39 /*
  40  * Common state locking definitions.
  41  */
  42 typedef struct {
  43         char            name[16];               /* e.g. "ath0_com_lock" */
  44         struct lock     lock;
  45 } ieee80211_com_lock_t;
  46 #define IEEE80211_LOCK_INIT(_ic, _name) do {                            \
  47         ieee80211_com_lock_t *cl = &(_ic)->ic_comlock;                  \
  48         ksnprintf(cl->name, sizeof(cl->name), "%s_com_lock", _name);    \
  49         lockinit(&cl->lock, cl->name, 0, LK_CANRECURSE);                \
  50 } while (0)
  51 #define IEEE80211_LOCK_OBJ(_ic) (&(_ic)->ic_comlock.lock)
  52 #define IEEE80211_LOCK_DESTROY(_ic) lockuninit(IEEE80211_LOCK_OBJ(_ic))
  53 #define IEEE80211_LOCK(_ic) \
  54         lockmgr(IEEE80211_LOCK_OBJ(_ic), LK_EXCLUSIVE)
  55 #define IEEE80211_UNLOCK(_ic)      lockmgr(IEEE80211_LOCK_OBJ(_ic), LK_RELEASE)
  56 #define IEEE80211_LOCK_ASSERT(_ic) \
  57         KKASSERT(lockstatus(IEEE80211_LOCK_OBJ(_ic), curthread) == LK_EXCLUSIVE)
  58
  59 /*
  60  * Node locking definitions.
  61  */
  62 typedef struct {
  63         char            name[16];               /* e.g. "ath0_node_lock" */
  64         struct lock     lock;
  65 } ieee80211_node_lock_t;
  66 #define IEEE80211_NODE_LOCK_INIT(_nt, _name) do {                       \
  67         ieee80211_node_lock_t *nl = &(_nt)->nt_nodelock;                \
  68         ksnprintf(nl->name, sizeof(nl->name), "%s_node_lock", _name);   \
  69         lockinit(&nl->lock, nl->name, 0, LK_CANRECURSE);                \
  70 } while (0)
  71 #define IEEE80211_NODE_LOCK_OBJ(_nt)    (&(_nt)->nt_nodelock.lock)
  72 #define IEEE80211_NODE_LOCK_DESTROY(_nt) \
  73         lockuninit(IEEE80211_NODE_LOCK_OBJ(_nt))
  74 #define IEEE80211_NODE_LOCK(_nt) \
  75         lockmgr(IEEE80211_NODE_LOCK_OBJ(_nt), LK_EXCLUSIVE)
  76 #define IEEE80211_NODE_IS_LOCKED(_nt) \
  77         (lockstatus(IEEE80211_NODE_LOCK_OBJ(_nt), curthread) == LK_EXCLUSIVE)
  78 #define IEEE80211_NODE_UNLOCK(_nt) \
  79         lockmgr(IEEE80211_NODE_LOCK_OBJ(_nt), LK_RELEASE)
  80 #define IEEE80211_NODE_LOCK_ASSERT(_nt) \
  81         KKASSERT(lockstatus(IEEE80211_NODE_LOCK_OBJ(_nt), curthread) \
  82             == LK_EXCLUSIVE)
  83
  84 /*
  85  * Node table iteration locking definitions; this protects the
  86  * scan generation # used to iterate over the station table
  87  * while grabbing+releasing the node lock.
  88  */
  89 typedef struct {
  90         char            name[16];               /* e.g. "ath0_scan_lock" */
  91         struct lock     lock;
  92 } ieee80211_scan_lock_t;
  93 #define IEEE80211_NODE_ITERATE_LOCK_INIT(_nt, _name) do {               \
  94         ieee80211_scan_lock_t *sl = &(_nt)->nt_scanlock;                \
  95         ksnprintf(sl->name, sizeof(sl->name), "%s_scan_lock", _name);   \
  96         lockinit(&sl->lock, sl->name, 0, 0);                            \
  97 } while (0)
  98 #define IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt)    (&(_nt)->nt_scanlock.lock)
  99 #define IEEE80211_NODE_ITERATE_LOCK_DESTROY(_nt) \
 100         lockuninit(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt))
 101 #define IEEE80211_NODE_ITERATE_LOCK(_nt) \
 102         lockmgr(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt), LK_EXCLUSIVE)
 103 #define IEEE80211_NODE_ITERATE_UNLOCK(_nt) \
 104         lockmgr(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt), LK_RELEASE)
 105
 106 /*
 107  * Power-save queue definitions.
 108  */
 109 typedef struct lock ieee80211_psq_lock_t;
 110 #define IEEE80211_PSQ_INIT(_psq, _name) \
 111         lockinit(&(_psq)->psq_lock, _name, 0, 0)
 112 #define IEEE80211_PSQ_DESTROY(_psq)     lockuninit(&(_psq)->psq_lock)
 113 #define IEEE80211_PSQ_LOCK(_psq)        lockmgr(&(_psq)->psq_lock, LK_EXCLUSIVE)
 114 #define IEEE80211_PSQ_UNLOCK(_psq)      lockmgr(&(_psq)->psq_lock, LK_RELEASE)
 115
 116 #ifndef IF_PREPEND_LIST
 117 #define _IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do {        \
 118         (mtail)->m_nextpkt = (ifq)->ifq_head;                   \
 119         if ((ifq)->ifq_tail == NULL)                            \
 120                 (ifq)->ifq_tail = (mtail);                      \
 121         (ifq)->ifq_head = (mhead);                              \
 122         (ifq)->ifq_len += (mcount);                             \
 123 } while (0)
 124 #define IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do {         \
 125         IF_LOCK(ifq);                                           \
 126         _IF_PREPEND_LIST(ifq, mhead, mtail, mcount);            \
 127         IF_UNLOCK(ifq);                                         \
 128 } while (0)
 129 #endif /* IF_PREPEND_LIST */
 130
 131 /*
 132  * Age queue definitions.
 133  */
 134 typedef struct lock ieee80211_ageq_lock_t;
 135 #define IEEE80211_AGEQ_INIT(_aq, _name) \
 136         lockinit(&(_aq)->aq_lock, _name, 0, 0)
 137 #define IEEE80211_AGEQ_DESTROY(_aq)     lockuninit(&(_aq)->aq_lock)
 138 #define IEEE80211_AGEQ_LOCK(_aq)        lockmgr(&(_aq)->aq_lock, LK_EXCLUSIVE)
 139 #define IEEE80211_AGEQ_UNLOCK(_aq)      lockmgr(&(_aq)->aq_lock, LK_RELEASE)
 140
 141 /*
 142  * 802.1x MAC ACL database locking definitions.
 143  */
 144 typedef struct lock acl_lock_t;
 145 #define ACL_LOCK_INIT(_as, _name) \
 146         lockinit(&(_as)->as_lock, _name, 0, 0)
 147 #define ACL_LOCK_DESTROY(_as)           lockuninit(&(_as)->as_lock)
 148 #define ACL_LOCK(_as)                   lockmgr(&(_as)->as_lock, LK_EXCLUSIVE)
 149 #define ACL_UNLOCK(_as)                 lockmgr(&(_as)->as_lock, LK_RELEASE)
 150 #define ACL_LOCK_ASSERT(_as) \
 151         KKASSERT(lockstatus(&(_as)->as_lock, curthread) == LK_EXCLUSIVE)
 152
 153 /*
 154  * Node reference counting definitions.
 155  *
 156  * ieee80211_node_initref       initialize the reference count to 1
 157  * ieee80211_node_incref        add a reference
 158  * ieee80211_node_decref        remove a reference
 159  * ieee80211_node_dectestref    remove a reference and return 1 if this
 160  *                              is the last reference, otherwise 0
 161  * ieee80211_node_refcnt        reference count for printing (only)
 162  */
 163 #include <machine/atomic.h>
 164
 165 #define ieee80211_node_initref(_ni) \
 166         do { ((_ni)->ni_refcnt = 1); } while (0)
 167 #define ieee80211_node_incref(_ni) \
 168         atomic_add_int(&(_ni)->ni_refcnt, 1)
 169 #define ieee80211_node_decref(_ni) \
 170         atomic_subtract_int(&(_ni)->ni_refcnt, 1)
 171 struct ieee80211_node;
 172 int     ieee80211_node_dectestref(struct ieee80211_node *ni);
 173 #define ieee80211_node_refcnt(_ni)      (_ni)->ni_refcnt
 174
 175 struct ifqueue;
 176 struct ieee80211vap;
 177 void    ieee80211_drain_ifq(struct ifqueue *);
 178 void    ieee80211_flush_ifq(struct ifqueue *, struct ieee80211vap *);
 179
 180 void    ieee80211_vap_destroy(struct ieee80211vap *);
 181
 182 #define IFNET_IS_UP_RUNNING(_ifp) \
 183         (((_ifp)->if_flags & IFF_UP) && \
 184          ((_ifp)->if_drv_flags & IFF_DRV_RUNNING))
 185
 186 #define msecs_to_ticks(ms)      (((ms)*hz)/1000)
 187 #define ticks_to_msecs(t)       (1000*(t) / hz)
 188 #define ticks_to_secs(t)        ((t) / hz)
 189 #define time_after(a,b)         ((long)(b) - (long)(a) < 0)
 190 #define time_before(a,b)        time_after(b,a)
 191 #define time_after_eq(a,b)      ((long)(a) - (long)(b) >= 0)
 192 #define time_before_eq(a,b)     time_after_eq(b,a)
 193
 194 struct mbuf *ieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen);
 195
 196 /* tx path usage */
 197 #define M_ENCAP         M_PROTO1                /* 802.11 encap done */
 198 #define M_EAPOL         M_PROTO3                /* PAE/EAPOL frame */
 199 #define M_PWR_SAV       M_PROTO4                /* bypass PS handling */
 200 #define M_MORE_DATA     M_PROTO5                /* more data frames to follow */
 201 #define M_FF            M_PROTO6                /* fast frame */
 202 #define M_TXCB          M_PROTO7                /* do tx complete callback */
 203 #define M_AMPDU_MPDU    M_PROTO8                /* ok for A-MPDU aggregation */
 204 #define M_80211_TX \
 205         (M_FRAG|M_FIRSTFRAG|M_LASTFRAG|M_ENCAP|M_EAPOL|M_PWR_SAV|\
 206          M_MORE_DATA|M_FF|M_TXCB|M_AMPDU_MPDU)
 207
 208 /* rx path usage */
 209 #define M_AMPDU         M_PROTO1                /* A-MPDU subframe */
 210 #define M_WEP           M_PROTO2                /* WEP done by hardware */
 211 #if 0
 212 #define M_AMPDU_MPDU    M_PROTO8                /* A-MPDU re-order done */
 213 #endif
 214 #define M_80211_RX      (M_AMPDU|M_WEP|M_AMPDU_MPDU)
 215
 216 #define IEEE80211_MBUF_TX_FLAG_BITS \
 217         "\20\1M_EXT\2M_PKTHDR\3M_EOR\4M_RDONLY\5M_ENCAP\6M_WEP\7M_EAPOL" \
 218         "\10M_PWR_SAV\11M_MORE_DATA\12M_BCAST\13M_MCAST\14M_FRAG\15M_FIRSTFRAG" \
 219         "\16M_LASTFRAG\17M_SKIP_FIREWALL\20M_FREELIST\21M_VLANTAG\22M_PROMISC" \
 220         "\23M_NOFREE\24M_FF\25M_TXCB\26M_AMPDU_MPDU\27M_FLOWID"
 221
 222 #define IEEE80211_MBUF_RX_FLAG_BITS \
 223         "\20\1M_EXT\2M_PKTHDR\3M_EOR\4M_RDONLY\5M_AMPDU\6M_WEP\7M_PROTO3" \
 224         "\10M_PROTO4\11M_PROTO5\12M_BCAST\13M_MCAST\14M_FRAG\15M_FIRSTFRAG" \
 225         "\16M_LASTFRAG\17M_SKIP_FIREWALL\20M_FREELIST\21M_VLANTAG\22M_PROMISC" \
 226         "\23M_NOFREE\24M_PROTO6\25M_PROTO7\26M_AMPDU_MPDU\27M_FLOWID"
 227
 228 /*
 229  * Store WME access control bits in the vlan tag.
 230  * This is safe since it's done after the packet is classified
 231  * (where we use any previous tag) and because it's passed
 232  * directly in to the driver and there's no chance someone
 233  * else will clobber them on us.
 234  */
 235 #define M_WME_SETAC(m, ac) \
 236         ((m)->m_pkthdr.ether_vlantag = (ac))
 237 #define M_WME_GETAC(m)  ((m)->m_pkthdr.ether_vlantag)
 238
 239 /*
 240  * Mbufs on the power save queue are tagged with an age and
 241  * timed out.  We reuse the hardware checksum field in the
 242  * mbuf packet header to store this data.
 243  */
 244 #define M_AGE_SET(m,v)          (m->m_pkthdr.csum_data = v)
 245 #define M_AGE_GET(m)            (m->m_pkthdr.csum_data)
 246 #define M_AGE_SUB(m,adj)        (m->m_pkthdr.csum_data -= adj)
 247
 248 /*
 249  * Store the sequence number.
 250  */
 251 #define M_SEQNO_SET(m, seqno) \
 252         ((m)->m_pkthdr.tso_segsz = (seqno))
 253 #define M_SEQNO_GET(m)  ((m)->m_pkthdr.tso_segsz)
 254
 255 #define MTAG_ABI_NET80211       1132948340      /* net80211 ABI */
 256
 257 struct ieee80211_cb {
 258         void    (*func)(struct ieee80211_node *, void *, int status);
 259         void    *arg;
 260 };
 261 #define NET80211_TAG_CALLBACK   0       /* xmit complete callback */
 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 SYSCTL_DECL(_net_wlan);
 276 int     ieee80211_sysctl_msecs_ticks(SYSCTL_HANDLER_ARGS);
 277
 278 void    ieee80211_load_module(const char *);
 279
 280 /*
 281  * A "policy module" is an adjunct module to net80211 that provides
 282  * functionality that typically includes policy decisions.  This
 283  * modularity enables extensibility and vendor-supplied functionality.
 284  */
 285 #define _IEEE80211_POLICY_MODULE(policy, name, version)                 \
 286 typedef void (*policy##_setup)(int);                                    \
 287 SET_DECLARE(policy##_set, policy##_setup);                              \
 288 static int                                                              \
 289 wlan_##name##_modevent(module_t mod, int type, void *unused)            \
 290 {                                                                       \
 291         policy##_setup * const *iter, f;                                \
 292         switch (type) {                                                 \
 293         case MOD_LOAD:                                                  \
 294                 SET_FOREACH(iter, policy##_set) {                       \
 295                         f = (void*) *iter;                              \
 296                         f(type);                                        \
 297                 }                                                       \
 298                 return 0;                                               \
 299         case MOD_UNLOAD:                                                \
 300                 if (nrefs) {                                            \
 301                         kprintf("wlan_##name: still in use (%u dynamic refs)\n",\
 302                                 nrefs);                                 \
 303                         return EBUSY;                                   \
 304                 }                                                       \
 305                 if (type == MOD_UNLOAD) {                               \
 306                         SET_FOREACH(iter, policy##_set) {               \
 307                                 f = (void*) *iter;                      \
 308                                 f(type);                                \
 309                         }                                               \
 310                 }                                                       \
 311                 return 0;                                               \
 312         }                                                               \
 313         return EINVAL;                                                  \
 314 }                                                                       \
 315 static moduledata_t name##_mod = {                                      \
 316         "wlan_" #name,                                                  \
 317         wlan_##name##_modevent,                                         \
 318         0                                                               \
 319 };                                                                      \
 320 DECLARE_MODULE(wlan_##name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);\
 321 MODULE_VERSION(wlan_##name, version);                                   \
 322 MODULE_DEPEND(wlan_##name, wlan, 1, 1, 1)
 323
 324 /*
 325  * Crypto modules implement cipher support.
 326  */
 327 #define IEEE80211_CRYPTO_MODULE(name, version)                          \
 328 _IEEE80211_POLICY_MODULE(crypto, name, version);                        \
 329 static void                                                             \
 330 name##_modevent(int type)                                               \
 331 {                                                                       \
 332         if (type == MOD_LOAD)                                           \
 333                 ieee80211_crypto_register(&name);                       \
 334         else                                                            \
 335                 ieee80211_crypto_unregister(&name);                     \
 336 }                                                                       \
 337 TEXT_SET(crypto##_set, name##_modevent)
 338
 339 /*
 340  * Scanner modules provide scanning policy.
 341  */
 342 #define IEEE80211_SCANNER_MODULE(name, version)                         \
 343         _IEEE80211_POLICY_MODULE(scanner, name, version)
 344
 345 #define IEEE80211_SCANNER_ALG(name, alg, v)                             \
 346 static void                                                             \
 347 name##_modevent(int type)                                               \
 348 {                                                                       \
 349         if (type == MOD_LOAD)                                           \
 350                 ieee80211_scanner_register(alg, &v);                    \
 351         else                                                            \
 352                 ieee80211_scanner_unregister(alg, &v);                  \
 353 }                                                                       \
 354 TEXT_SET(scanner_set, name##_modevent);                                 \
 355
 356 /*
 357  * ACL modules implement acl policy.
 358  */
 359 #define IEEE80211_ACL_MODULE(name, alg, version)                        \
 360 _IEEE80211_POLICY_MODULE(acl, name, version);                           \
 361 static void                                                             \
 362 alg##_modevent(int type)                                                \
 363 {                                                                       \
 364         if (type == MOD_LOAD)                                           \
 365                 ieee80211_aclator_register(&alg);                       \
 366         else                                                            \
 367                 ieee80211_aclator_unregister(&alg);                     \
 368 }                                                                       \
 369 TEXT_SET(acl_set, alg##_modevent);                                      \
 370
 371 /*
 372  * Authenticator modules handle 802.1x/WPA authentication.
 373  */
 374 #define IEEE80211_AUTH_MODULE(name, version)                            \
 375         _IEEE80211_POLICY_MODULE(auth, name, version)
 376
 377 #define IEEE80211_AUTH_ALG(name, alg, v)                                \
 378 static void                                                             \
 379 name##_modevent(int type)                                               \
 380 {                                                                       \
 381         if (type == MOD_LOAD)                                           \
 382                 ieee80211_authenticator_register(alg, &v);              \
 383         else                                                            \
 384                 ieee80211_authenticator_unregister(alg);                \
 385 }                                                                       \
 386 TEXT_SET(auth_set, name##_modevent)
 387
 388 /*
 389  * Rate control modules provide tx rate control support.
 390  */
 391 #define IEEE80211_RATE_MODULE(alg, version)                             \
 392 _IEEE80211_POLICY_MODULE(rate, alg, version);                           \
 393 static void                                                             \
 394 alg##_modevent(int type)                                                \
 395 {                                                                       \
 396         /* XXX nothing to do until the rate control framework arrives */\
 397 }                                                                       \
 398 TEXT_SET(rate##_set, alg##_modevent)
 399
 400 struct ieee80211req;
 401 typedef int ieee80211_ioctl_getfunc(struct ieee80211vap *,
 402     struct ieee80211req *);
 403 SET_DECLARE(ieee80211_ioctl_getset, ieee80211_ioctl_getfunc);
 404 #define IEEE80211_IOCTL_GET(_name, _get) TEXT_SET(ieee80211_ioctl_getset, _get)
 405
 406 typedef int ieee80211_ioctl_setfunc(struct ieee80211vap *,
 407     struct ieee80211req *);
 408 SET_DECLARE(ieee80211_ioctl_setset, ieee80211_ioctl_setfunc);
 409 #define IEEE80211_IOCTL_SET(_name, _set) TEXT_SET(ieee80211_ioctl_setset, _set)
 410 #endif /* _KERNEL */
 411
 412 /* XXX this stuff belongs elsewhere */
 413 /*
 414  * Message formats for messages from the net80211 layer to user
 415  * applications via the routing socket.  These messages are appended
 416  * to an if_announcemsghdr structure.
 417  */
 418 struct ieee80211_join_event {
 419         uint8_t         iev_addr[6];
 420 };
 421
 422 struct ieee80211_leave_event {
 423         uint8_t         iev_addr[6];
 424 };
 425
 426 struct ieee80211_replay_event {
 427         uint8_t         iev_src[6];     /* src MAC */
 428         uint8_t         iev_dst[6];     /* dst MAC */
 429         uint8_t         iev_cipher;     /* cipher type */
 430         uint8_t         iev_keyix;      /* key id/index */
 431         uint64_t        iev_keyrsc;     /* RSC from key */
 432         uint64_t        iev_rsc;        /* RSC from frame */
 433 };
 434
 435 struct ieee80211_michael_event {
 436         uint8_t         iev_src[6];     /* src MAC */
 437         uint8_t         iev_dst[6];     /* dst MAC */
 438         uint8_t         iev_cipher;     /* cipher type */
 439         uint8_t         iev_keyix;      /* key id/index */
 440 };
 441
 442 struct ieee80211_wds_event {
 443         uint8_t         iev_addr[6];
 444 };
 445
 446 struct ieee80211_csa_event {
 447         uint32_t        iev_flags;      /* channel flags */
 448         uint16_t        iev_freq;       /* setting in Mhz */
 449         uint8_t         iev_ieee;       /* IEEE channel number */
 450         uint8_t         iev_mode;       /* CSA mode */
 451         uint8_t         iev_count;      /* CSA count */
 452 };
 453
 454 struct ieee80211_cac_event {
 455         uint32_t        iev_flags;      /* channel flags */
 456         uint16_t        iev_freq;       /* setting in Mhz */
 457         uint8_t         iev_ieee;       /* IEEE channel number */
 458         /* XXX timestamp? */
 459         uint8_t         iev_type;       /* IEEE80211_NOTIFY_CAC_* */
 460 };
 461
 462 struct ieee80211_radar_event {
 463         uint32_t        iev_flags;      /* channel flags */
 464         uint16_t        iev_freq;       /* setting in Mhz */
 465         uint8_t         iev_ieee;       /* IEEE channel number */
 466         /* XXX timestamp? */
 467 };
 468
 469 struct ieee80211_auth_event {
 470         uint8_t         iev_addr[6];
 471 };
 472
 473 struct ieee80211_deauth_event {
 474         uint8_t         iev_addr[6];
 475 };
 476
 477 struct ieee80211_country_event {
 478         uint8_t         iev_addr[6];
 479         uint8_t         iev_cc[2];      /* ISO country code */
 480 };
 481
 482 struct ieee80211_radio_event {
 483         uint8_t         iev_state;      /* 1 on, 0 off */
 484 };
 485
 486 #define RTM_IEEE80211_ASSOC     100     /* station associate (bss mode) */
 487 #define RTM_IEEE80211_REASSOC   101     /* station re-associate (bss mode) */
 488 #define RTM_IEEE80211_DISASSOC  102     /* station disassociate (bss mode) */
 489 #define RTM_IEEE80211_JOIN      103     /* station join (ap mode) */
 490 #define RTM_IEEE80211_LEAVE     104     /* station leave (ap mode) */
 491 #define RTM_IEEE80211_SCAN      105     /* scan complete, results available */
 492 #define RTM_IEEE80211_REPLAY    106     /* sequence counter replay detected */
 493 #define RTM_IEEE80211_MICHAEL   107     /* Michael MIC failure detected */
 494 #define RTM_IEEE80211_REJOIN    108     /* station re-associate (ap mode) */
 495 #define RTM_IEEE80211_WDS       109     /* WDS discovery (ap mode) */
 496 #define RTM_IEEE80211_CSA       110     /* Channel Switch Announcement event */
 497 #define RTM_IEEE80211_RADAR     111     /* radar event */
 498 #define RTM_IEEE80211_CAC       112     /* Channel Availability Check event */
 499 #define RTM_IEEE80211_DEAUTH    113     /* station deauthenticate */
 500 #define RTM_IEEE80211_AUTH      114     /* station authenticate (ap mode) */
 501 #define RTM_IEEE80211_COUNTRY   115     /* discovered country code (sta mode) */
 502 #define RTM_IEEE80211_RADIO     116     /* RF kill switch state change */
 503
 504 /*
 505  * Structure prepended to raw packets sent through the bpf
 506  * interface when set to DLT_IEEE802_11_RADIO.  This allows
 507  * user applications to specify pretty much everything in
 508  * an Atheros tx descriptor.  XXX need to generalize.
 509  *
 510  * XXX cannot be more than 14 bytes as it is copied to a sockaddr's
 511  * XXX sa_data area.
 512  */
 513 struct ieee80211_bpf_params {
 514         uint8_t         ibp_vers;       /* version */
 515 #define IEEE80211_BPF_VERSION   0
 516         uint8_t         ibp_len;        /* header length in bytes */
 517         uint8_t         ibp_flags;
 518 #define IEEE80211_BPF_SHORTPRE  0x01    /* tx with short preamble */
 519 #define IEEE80211_BPF_NOACK     0x02    /* tx with no ack */
 520 #define IEEE80211_BPF_CRYPTO    0x04    /* tx with h/w encryption */
 521 #define IEEE80211_BPF_FCS       0x10    /* frame incldues FCS */
 522 #define IEEE80211_BPF_DATAPAD   0x20    /* frame includes data padding */
 523 #define IEEE80211_BPF_RTS       0x40    /* tx with RTS/CTS */
 524 #define IEEE80211_BPF_CTS       0x80    /* tx with CTS only */
 525         uint8_t         ibp_pri;        /* WME/WMM AC+tx antenna */
 526         uint8_t         ibp_try0;       /* series 1 try count */
 527         uint8_t         ibp_rate0;      /* series 1 IEEE tx rate */
 528         uint8_t         ibp_power;      /* tx power (device units) */
 529         uint8_t         ibp_ctsrate;    /* IEEE tx rate for CTS */
 530         uint8_t         ibp_try1;       /* series 2 try count */
 531         uint8_t         ibp_rate1;      /* series 2 IEEE tx rate */
 532         uint8_t         ibp_try2;       /* series 3 try count */
 533         uint8_t         ibp_rate2;      /* series 3 IEEE tx rate */
 534         uint8_t         ibp_try3;       /* series 4 try count */
 535         uint8_t         ibp_rate3;      /* series 4 IEEE tx rate */
 536 };
 537 #endif /* _NET80211_IEEE80211_DRAGONFLY_H_ */