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  */
  27 #ifndef _NET80211_IEEE80211_DRAGONFLY_H_
  28 #define _NET80211_IEEE80211_DRAGONFLY_H_
  29
  30 #ifdef _KERNEL
  31
  32 #include <sys/param.h>
  33 #include <sys/types.h>
  34 #include <sys/serialize.h>
  35 #include <sys/sysctl.h>
  36 #include <sys/condvar.h>
  37 #include <sys/taskqueue.h>
  38
  39 #include <sys/mutex2.h>
  40 #include <sys/serialize2.h>
  41
  42 #ifndef IF_PREPEND_LIST
  43
  44 #define _IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do {        \
  45         (mtail)->m_nextpkt = (ifq)->ifq_head;                   \
  46         if ((ifq)->ifq_tail == NULL)                            \
  47                 (ifq)->ifq_tail = (mtail);                      \
  48         (ifq)->ifq_head = (mhead);                              \
  49         (ifq)->ifq_len += (mcount);                             \
  50 } while (0)
  51
  52 #define IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do {         \
  53         wlan_assert_serialized();                               \
  54         _IF_PREPEND_LIST(ifq, mhead, mtail, mcount);            \
  55 } while (0)
  56
  57 #endif /* IF_PREPEND_LIST */
  58
  59 /*
  60  * Global serializer (operates like a non-reentrant lockmgr lock)
  61  */
  62 extern struct lwkt_serialize wlan_global_serializer;
  63 extern int ieee80211_force_swcrypto;
  64
  65 #define wlan_serialize_enter()  _wlan_serialize_enter(__FUNCTION__)
  66 #define wlan_serialize_exit()   _wlan_serialize_exit(__FUNCTION__)
  67 void _wlan_serialize_enter(const char *funcname);
  68 void _wlan_serialize_exit(const char *funcname);
  69 int wlan_serialize_sleep(void *ident, int flags, const char *wmesg, int timo);
  70
  71 static __inline void
  72 wlan_assert_serialized(void)
  73 {
  74         ASSERT_SERIALIZED(&wlan_global_serializer);
  75 }
  76
  77 /*
  78  * wlan condition variables.  Assume the global serializer is held.
  79  */
  80 void wlan_cv_init(struct cv *cv, const char *desc);
  81 int wlan_cv_timedwait(struct cv *cv, int ticks);
  82 void wlan_cv_wait(struct cv *cv);
  83 void wlan_cv_signal(struct cv *cv, int broadcast);
  84
  85 /*
  86  * Node reference counting definitions.
  87  *
  88  * ieee80211_node_initref       initialize the reference count to 1
  89  * ieee80211_node_incref        add a reference
  90  * ieee80211_node_decref        remove a reference
  91  * ieee80211_node_dectestref    remove a reference and return 1 if this
  92  *                              is the last reference, otherwise 0
  93  * ieee80211_node_refcnt        reference count for printing (only)
  94  */
  95 #include <machine/atomic.h>
  96
  97 #define ieee80211_node_initref(_ni) \
  98         do { ((_ni)->ni_refcnt = 1); } while (0)
  99 #define ieee80211_node_incref(_ni) \
 100         atomic_add_int(&(_ni)->ni_refcnt, 1)
 101 #define ieee80211_node_decref(_ni) \
 102         atomic_subtract_int(&(_ni)->ni_refcnt, 1)
 103 struct ieee80211_node;
 104 int     ieee80211_node_dectestref(struct ieee80211_node *ni);
 105 #define ieee80211_node_refcnt(_ni)      (_ni)->ni_refcnt
 106
 107 struct ifqueue;
 108 struct ieee80211vap;
 109 void    ieee80211_flush_ifq(struct ifaltq *, struct ieee80211vap *);
 110
 111 void    ieee80211_vap_destroy(struct ieee80211vap *);
 112 int     ieee80211_handoff(struct ifnet *, struct mbuf *);
 113 uint16_t ieee80211_txtime(struct ieee80211_node *, u_int, uint8_t, uint32_t);
 114
 115 #define IFNET_IS_UP_RUNNING(_ifp) \
 116         (((_ifp)->if_flags & IFF_UP) && \
 117          ((_ifp)->if_flags & IFF_RUNNING))
 118
 119 #define msecs_to_ticks(ms)      (((ms)*hz)/1000)
 120 #define ticks_to_msecs(t)       (1000*(t) / hz)
 121 #define ticks_to_secs(t)        ((t) / hz)
 122 #define time_after(a,b)         ((long)(b) - (long)(a) < 0)
 123 #define time_before(a,b)        time_after(b,a)
 124 #define time_after_eq(a,b)      ((long)(a) - (long)(b) >= 0)
 125 #define time_before_eq(a,b)     time_after_eq(b,a)
 126
 127 struct mbuf *ieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen);
 128
 129 /* tx path usage */
 130 #define M_ENCAP         M_PROTO1                /* 802.11 encap done */
 131 #define M_EAPOL         M_PROTO3                /* PAE/EAPOL frame */
 132 #define M_PWR_SAV       M_PROTO4                /* bypass PS handling */
 133 #define M_MORE_DATA     M_PROTO5                /* more data frames to follow */
 134 #define M_FF            M_PROTO6                /* fast frame */
 135 #define M_TXCB          M_PROTO7                /* do tx complete callback */
 136 #define M_AMPDU_MPDU    M_PROTO8                /* ok for A-MPDU aggregation */
 137 #define M_80211_TX \
 138         (M_FRAG|M_FIRSTFRAG|M_LASTFRAG|M_ENCAP|M_EAPOL|M_PWR_SAV|\
 139          M_MORE_DATA|M_FF|M_TXCB|M_AMPDU_MPDU)
 140
 141 /* rx path usage */
 142 #define M_AMPDU         M_PROTO1                /* A-MPDU subframe */
 143 #define M_WEP           M_PROTO2                /* WEP done by hardware */
 144 #if 0
 145 #define M_AMPDU_MPDU    M_PROTO8                /* A-MPDU re-order done */
 146 #endif
 147 #define M_80211_RX      (M_AMPDU|M_WEP|M_AMPDU_MPDU)
 148
 149 #define IEEE80211_MBUF_TX_FLAG_BITS \
 150         "\20\1M_EXT\2M_PKTHDR\3M_EOR\4M_RDONLY\5M_ENCAP\6M_WEP\7M_EAPOL" \
 151         "\10M_PWR_SAV\11M_MORE_DATA\12M_BCAST\13M_MCAST\14M_FRAG\15M_FIRSTFRAG" \
 152         "\16M_LASTFRAG\17M_SKIP_FIREWALL\20M_FREELIST\21M_VLANTAG\22M_PROMISC" \
 153         "\23M_NOFREE\24M_FF\25M_TXCB\26M_AMPDU_MPDU\27M_FLOWID"
 154
 155 #define IEEE80211_MBUF_RX_FLAG_BITS \
 156         "\20\1M_EXT\2M_PKTHDR\3M_EOR\4M_RDONLY\5M_AMPDU\6M_WEP\7M_PROTO3" \
 157         "\10M_PROTO4\11M_PROTO5\12M_BCAST\13M_MCAST\14M_FRAG\15M_FIRSTFRAG" \
 158         "\16M_LASTFRAG\17M_SKIP_FIREWALL\20M_FREELIST\21M_VLANTAG\22M_PROMISC" \
 159         "\23M_NOFREE\24M_PROTO6\25M_PROTO7\26M_AMPDU_MPDU\27M_FLOWID"
 160
 161 /*
 162  * Store WME access control bits in the vlan tag.
 163  * This is safe since it's done after the packet is classified
 164  * (where we use any previous tag) and because it's passed
 165  * directly in to the driver and there's no chance someone
 166  * else will clobber them on us.
 167  */
 168 #define M_WME_SETAC(m, ac) \
 169         ((m)->m_pkthdr.ether_vlantag = (ac))
 170 #define M_WME_GETAC(m)  ((m)->m_pkthdr.ether_vlantag)
 171
 172 /*
 173  * Mbufs on the power save queue are tagged with an age and
 174  * timed out.  We reuse the hardware checksum field in the
 175  * mbuf packet header to store this data.
 176  */
 177 #define M_AGE_SET(m,v)          (m->m_pkthdr.csum_data = v)
 178 #define M_AGE_GET(m)            (m->m_pkthdr.csum_data)
 179 #define M_AGE_SUB(m,adj)        (m->m_pkthdr.csum_data -= adj)
 180
 181 /*
 182  * Store the sequence number.
 183  */
 184 #define M_SEQNO_SET(m, seqno) \
 185         ((m)->m_pkthdr.wlan_seqno = (seqno))
 186 #define M_SEQNO_GET(m)  ((m)->m_pkthdr.wlan_seqno)
 187
 188 #define MTAG_ABI_NET80211       1132948340      /* net80211 ABI */
 189
 190 struct ieee80211_cb {
 191         void    (*func)(struct ieee80211_node *, void *, int status);
 192         void    *arg;
 193 };
 194 #define NET80211_TAG_CALLBACK   0       /* xmit complete callback */
 195 int     ieee80211_add_callback(struct mbuf *m,
 196                 void (*func)(struct ieee80211_node *, void *, int), void *arg);
 197 void    ieee80211_process_callback(struct ieee80211_node *, struct mbuf *, int);
 198
 199 void    get_random_bytes(void *, size_t);
 200
 201 struct ieee80211com;
 202
 203 void    ieee80211_sysctl_attach(struct ieee80211com *);
 204 void    ieee80211_sysctl_detach(struct ieee80211com *);
 205 void    ieee80211_sysctl_vattach(struct ieee80211vap *);
 206 void    ieee80211_sysctl_vdetach(struct ieee80211vap *);
 207
 208 SYSCTL_DECL(_net_wlan);
 209 int     ieee80211_sysctl_msecs_ticks(SYSCTL_HANDLER_ARGS);
 210
 211 void    ieee80211_load_module(const char *);
 212
 213 /*
 214  * A "policy module" is an adjunct module to net80211 that provides
 215  * functionality that typically includes policy decisions.  This
 216  * modularity enables extensibility and vendor-supplied functionality.
 217  */
 218 #define _IEEE80211_POLICY_MODULE(policy, name, version)                 \
 219 typedef void (*policy##_setup)(int);                                    \
 220 SET_DECLARE(policy##_set, policy##_setup);                              \
 221 static int                                                              \
 222 wlan_##name##_modevent(module_t mod, int type, void *unused)            \
 223 {                                                                       \
 224         policy##_setup * const *iter, f;                                \
 225         int error;                                                      \
 226                                                                         \
 227         wlan_serialize_enter();                                         \
 228                                                                         \
 229         switch (type) {                                                 \
 230         case MOD_LOAD:                                                  \
 231                 SET_FOREACH(iter, policy##_set) {                       \
 232                         f = (void*) *iter;                              \
 233                         f(type);                                        \
 234                 }                                                       \
 235                 error = 0;                                              \
 236                 break;                                                  \
 237         case MOD_UNLOAD:                                                \
 238                 error = 0;                                              \
 239                 if (nrefs) {                                            \
 240                         kprintf("wlan_##name: still in use (%u "        \
 241                                 "dynamic refs)\n",                      \
 242                                 nrefs);                                 \
 243                         error = EBUSY;                                  \
 244                 } else if (type == MOD_UNLOAD) {                        \
 245                         SET_FOREACH(iter, policy##_set) {               \
 246                                 f = (void*) *iter;                      \
 247                                 f(type);                                \
 248                         }                                               \
 249                 }                                                       \
 250                 break;                                                  \
 251         default:                                                        \
 252                 error = EINVAL;                                         \
 253                 break;                                                  \
 254         }                                                               \
 255                                                                         \
 256         wlan_serialize_exit();                                          \
 257                                                                         \
 258         return error;                                                   \
 259 }                                                                       \
 260 static moduledata_t name##_mod = {                                      \
 261         "wlan_" #name,                                                  \
 262         wlan_##name##_modevent,                                         \
 263         0                                                               \
 264 };                                                                      \
 265 DECLARE_MODULE(wlan_##name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);\
 266 MODULE_VERSION(wlan_##name, version);                                   \
 267 MODULE_DEPEND(wlan_##name, wlan, 1, 1, 1)
 268
 269 /*
 270  * Crypto modules implement cipher support.
 271  */
 272 #define IEEE80211_CRYPTO_MODULE(name, version)                          \
 273 _IEEE80211_POLICY_MODULE(crypto, name, version);                        \
 274 static void                                                             \
 275 name##_modevent(int type)                                               \
 276 {                                                                       \
 277         /* wlan already serialized! */                                  \
 278         if (type == MOD_LOAD)                                           \
 279                 ieee80211_crypto_register(&name);                       \
 280         else                                                            \
 281                 ieee80211_crypto_unregister(&name);                     \
 282 }                                                                       \
 283 TEXT_SET(crypto##_set, name##_modevent)
 284
 285 /*
 286  * Scanner modules provide scanning policy.
 287  */
 288 #define IEEE80211_SCANNER_MODULE(name, version)                         \
 289         _IEEE80211_POLICY_MODULE(scanner, name, version)
 290
 291 #define IEEE80211_SCANNER_ALG(name, alg, v)                             \
 292 static void                                                             \
 293 name##_modevent(int type)                                               \
 294 {                                                                       \
 295         /* wlan already serialized! */                                  \
 296         if (type == MOD_LOAD)                                           \
 297                 ieee80211_scanner_register(alg, &v);                    \
 298         else                                                            \
 299                 ieee80211_scanner_unregister(alg, &v);                  \
 300 }                                                                       \
 301 TEXT_SET(scanner_set, name##_modevent);                                 \
 302
 303 /*
 304  * ACL modules implement acl policy.
 305  */
 306 #define IEEE80211_ACL_MODULE(name, alg, version)                        \
 307 _IEEE80211_POLICY_MODULE(acl, name, version);                           \
 308 static void                                                             \
 309 alg##_modevent(int type)                                                \
 310 {                                                                       \
 311         /* wlan already serialized! */                                  \
 312         if (type == MOD_LOAD)                                           \
 313                 ieee80211_aclator_register(&alg);                       \
 314         else                                                            \
 315                 ieee80211_aclator_unregister(&alg);                     \
 316 }                                                                       \
 317 TEXT_SET(acl_set, alg##_modevent);                                      \
 318
 319 /*
 320  * Authenticator modules handle 802.1x/WPA authentication.
 321  */
 322 #define IEEE80211_AUTH_MODULE(name, version)                            \
 323         _IEEE80211_POLICY_MODULE(auth, name, version)
 324
 325 #define IEEE80211_AUTH_ALG(name, alg, v)                                \
 326 static void                                                             \
 327 name##_modevent(int type)                                               \
 328 {                                                                       \
 329         /* wlan already serialized! */                                  \
 330         if (type == MOD_LOAD)                                           \
 331                 ieee80211_authenticator_register(alg, &v);              \
 332         else                                                            \
 333                 ieee80211_authenticator_unregister(alg);                \
 334 }                                                                       \
 335 TEXT_SET(auth_set, name##_modevent)
 336
 337 /*
 338  * Rate control modules provide tx rate control support.
 339  */
 340 #define IEEE80211_RATECTL_MODULE(alg, version)                          \
 341         _IEEE80211_POLICY_MODULE(ratectl, alg, version);                \
 342
 343 #define IEEE80211_RATECTL_ALG(name, alg, v)                             \
 344 static void                                                             \
 345 alg##_modevent(int type)                                                \
 346 {                                                                       \
 347         /* wlan already serialized! */                                  \
 348         if (type == MOD_LOAD)                                           \
 349                 ieee80211_ratectl_register(alg, &v);                    \
 350         else                                                            \
 351                 ieee80211_ratectl_unregister(alg);                      \
 352 }                                                                       \
 353 TEXT_SET(ratectl##_set, alg##_modevent)
 354
 355 struct ieee80211req;
 356 typedef int ieee80211_ioctl_getfunc(struct ieee80211vap *,
 357     struct ieee80211req *);
 358 SET_DECLARE(ieee80211_ioctl_getset, ieee80211_ioctl_getfunc);
 359 #define IEEE80211_IOCTL_GET(_name, _get) TEXT_SET(ieee80211_ioctl_getset, _get)
 360
 361 typedef int ieee80211_ioctl_setfunc(struct ieee80211vap *,
 362     struct ieee80211req *);
 363 SET_DECLARE(ieee80211_ioctl_setset, ieee80211_ioctl_setfunc);
 364 #define IEEE80211_IOCTL_SET(_name, _set) TEXT_SET(ieee80211_ioctl_setset, _set)
 365 #endif /* _KERNEL */
 366
 367 /* XXX this stuff belongs elsewhere */
 368 /*
 369  * Message formats for messages from the net80211 layer to user
 370  * applications via the routing socket.  These messages are appended
 371  * to an if_announcemsghdr structure.
 372  */
 373 struct ieee80211_join_event {
 374         uint8_t         iev_addr[6];
 375 };
 376
 377 struct ieee80211_leave_event {
 378         uint8_t         iev_addr[6];
 379 };
 380
 381 struct ieee80211_replay_event {
 382         uint8_t         iev_src[6];     /* src MAC */
 383         uint8_t         iev_dst[6];     /* dst MAC */
 384         uint8_t         iev_cipher;     /* cipher type */
 385         uint8_t         iev_keyix;      /* key id/index */
 386         uint64_t        iev_keyrsc;     /* RSC from key */
 387         uint64_t        iev_rsc;        /* RSC from frame */
 388 };
 389
 390 struct ieee80211_michael_event {
 391         uint8_t         iev_src[6];     /* src MAC */
 392         uint8_t         iev_dst[6];     /* dst MAC */
 393         uint8_t         iev_cipher;     /* cipher type */
 394         uint8_t         iev_keyix;      /* key id/index */
 395 };
 396
 397 struct ieee80211_wds_event {
 398         uint8_t         iev_addr[6];
 399 };
 400
 401 struct ieee80211_csa_event {
 402         uint32_t        iev_flags;      /* channel flags */
 403         uint16_t        iev_freq;       /* setting in Mhz */
 404         uint8_t         iev_ieee;       /* IEEE channel number */
 405         uint8_t         iev_mode;       /* CSA mode */
 406         uint8_t         iev_count;      /* CSA count */
 407 };
 408
 409 struct ieee80211_cac_event {
 410         uint32_t        iev_flags;      /* channel flags */
 411         uint16_t        iev_freq;       /* setting in Mhz */
 412         uint8_t         iev_ieee;       /* IEEE channel number */
 413         /* XXX timestamp? */
 414         uint8_t         iev_type;       /* IEEE80211_NOTIFY_CAC_* */
 415 };
 416
 417 struct ieee80211_radar_event {
 418         uint32_t        iev_flags;      /* channel flags */
 419         uint16_t        iev_freq;       /* setting in Mhz */
 420         uint8_t         iev_ieee;       /* IEEE channel number */
 421         /* XXX timestamp? */
 422 };
 423
 424 struct ieee80211_auth_event {
 425         uint8_t         iev_addr[6];
 426 };
 427
 428 struct ieee80211_deauth_event {
 429         uint8_t         iev_addr[6];
 430 };
 431
 432 struct ieee80211_country_event {
 433         uint8_t         iev_addr[6];
 434         uint8_t         iev_cc[2];      /* ISO country code */
 435 };
 436
 437 struct ieee80211_radio_event {
 438         uint8_t         iev_state;      /* 1 on, 0 off */
 439 };
 440
 441 #define RTM_IEEE80211_ASSOC     100     /* station associate (bss mode) */
 442 #define RTM_IEEE80211_REASSOC   101     /* station re-associate (bss mode) */
 443 #define RTM_IEEE80211_DISASSOC  102     /* station disassociate (bss mode) */
 444 #define RTM_IEEE80211_JOIN      103     /* station join (ap mode) */
 445 #define RTM_IEEE80211_LEAVE     104     /* station leave (ap mode) */
 446 #define RTM_IEEE80211_SCAN      105     /* scan complete, results available */
 447 #define RTM_IEEE80211_REPLAY    106     /* sequence counter replay detected */
 448 #define RTM_IEEE80211_MICHAEL   107     /* Michael MIC failure detected */
 449 #define RTM_IEEE80211_REJOIN    108     /* station re-associate (ap mode) */
 450 #define RTM_IEEE80211_WDS       109     /* WDS discovery (ap mode) */
 451 #define RTM_IEEE80211_CSA       110     /* Channel Switch Announcement event */
 452 #define RTM_IEEE80211_RADAR     111     /* radar event */
 453 #define RTM_IEEE80211_CAC       112     /* Channel Availability Check event */
 454 #define RTM_IEEE80211_DEAUTH    113     /* station deauthenticate */
 455 #define RTM_IEEE80211_AUTH      114     /* station authenticate (ap mode) */
 456 #define RTM_IEEE80211_COUNTRY   115     /* discovered country code (sta mode) */
 457 #define RTM_IEEE80211_RADIO     116     /* RF kill switch state change */
 458
 459 /*
 460  * Structure prepended to raw packets sent through the bpf
 461  * interface when set to DLT_IEEE802_11_RADIO.  This allows
 462  * user applications to specify pretty much everything in
 463  * an Atheros tx descriptor.  XXX need to generalize.
 464  *
 465  * XXX cannot be more than 14 bytes as it is copied to a sockaddr's
 466  * XXX sa_data area.
 467  */
 468 struct ieee80211_bpf_params {
 469         uint8_t         ibp_vers;       /* version */
 470 #define IEEE80211_BPF_VERSION   0
 471         uint8_t         ibp_len;        /* header length in bytes */
 472         uint8_t         ibp_flags;
 473 #define IEEE80211_BPF_SHORTPRE  0x01    /* tx with short preamble */
 474 #define IEEE80211_BPF_NOACK     0x02    /* tx with no ack */
 475 #define IEEE80211_BPF_CRYPTO    0x04    /* tx with h/w encryption */
 476 #define IEEE80211_BPF_FCS       0x10    /* frame incldues FCS */
 477 #define IEEE80211_BPF_DATAPAD   0x20    /* frame includes data padding */
 478 #define IEEE80211_BPF_RTS       0x40    /* tx with RTS/CTS */
 479 #define IEEE80211_BPF_CTS       0x80    /* tx with CTS only */
 480         uint8_t         ibp_pri;        /* WME/WMM AC+tx antenna */
 481         uint8_t         ibp_try0;       /* series 1 try count */
 482         uint8_t         ibp_rate0;      /* series 1 IEEE tx rate */
 483         uint8_t         ibp_power;      /* tx power (device units) */
 484         uint8_t         ibp_ctsrate;    /* IEEE tx rate for CTS */
 485         uint8_t         ibp_try1;       /* series 2 try count */
 486         uint8_t         ibp_rate1;      /* series 2 IEEE tx rate */
 487         uint8_t         ibp_try2;       /* series 3 try count */
 488         uint8_t         ibp_rate2;      /* series 3 IEEE tx rate */
 489         uint8_t         ibp_try3;       /* series 4 try count */
 490         uint8_t         ibp_rate3;      /* series 4 IEEE tx rate */
 491 };
 492 #endif /* _NET80211_IEEE80211_DRAGONFLY_H_ */