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/lock.h>
  38 #include <sys/taskqueue.h>
  39
  40 #include <sys/mutex2.h>
  41 #include <sys/serialize2.h>
  42
  43 #ifndef IF_PREPEND_LIST
  44
  45 /* XXX all are prepended to normal queue */
  46 #define _IF_PREPEND_LIST(ifq, mhead, mtail, mcount, bcnt) do {  \
  47         (mtail)->m_nextpkt = (ifq)->ifsq_norm_head;             \
  48         if ((ifq)->ifsq_norm_tail == NULL)                      \
  49                 (ifq)->ifsq_norm_tail = (mtail);                \
  50         (ifq)->ifsq_norm_head = (mhead);                        \
  51         (ifq)->ifsq_len += (mcount);                            \
  52         (ifq)->ifsq_bcnt += (bcnt);                             \
  53 } while (0)
  54
  55 #define IF_PREPEND_LIST(ifq, mhead, mtail, mcount, bcnt) do {   \
  56         wlan_assert_serialized();                               \
  57         _IF_PREPEND_LIST(ifq, mhead, mtail, mcount, bcnt);      \
  58 } while (0)
  59
  60 #endif /* IF_PREPEND_LIST */
  61
  62 /*
  63  * Global serializer (operates like a non-reentrant lockmgr lock)
  64  */
  65 extern struct lwkt_serialize wlan_global_serializer;
  66 extern int ieee80211_force_swcrypto;
  67
  68 #define wlan_serialize_enter()  _wlan_serialize_enter(__func__)
  69 #define wlan_serialize_exit()   _wlan_serialize_exit(__func__)
  70 #define wlan_serialize_push()   _wlan_serialize_push(__func__)
  71 #define wlan_serialize_pop(wst) _wlan_serialize_pop(__func__, wst)
  72 #define wlan_is_serialized()    _wlan_is_serialized()
  73 void _wlan_serialize_enter(const char *funcname);
  74 void _wlan_serialize_exit(const char *funcname);
  75 int  _wlan_serialize_push(const char *funcname);
  76 void _wlan_serialize_pop(const char *funcname, int wst);
  77 int  _wlan_is_serialized(void);
  78 int wlan_serialize_sleep(void *ident, int flags, const char *wmesg, int timo);
  79
  80 static __inline void
  81 wlan_assert_serialized(void)
  82 {
  83         ASSERT_SERIALIZED(&wlan_global_serializer);
  84 }
  85
  86 static __inline void
  87 wlan_assert_notserialized(void)
  88 {
  89         ASSERT_NOT_SERIALIZED(&wlan_global_serializer);
  90 }
  91
  92 /*
  93  * Node reference counting definitions.
  94  *
  95  * ieee80211_node_initref       initialize the reference count to 1
  96  * ieee80211_node_incref        add a reference
  97  * ieee80211_node_decref        remove a reference
  98  * ieee80211_node_dectestref    remove a reference and return 1 if this
  99  *                              is the last reference, otherwise 0
 100  * ieee80211_node_refcnt        reference count for printing (only)
 101  */
 102 #include <machine/atomic.h>
 103
 104 #define ieee80211_node_initref(_ni) \
 105         do { ((_ni)->ni_refcnt = 1); } while (0)
 106 #define ieee80211_node_incref(_ni) \
 107         atomic_add_int(&(_ni)->ni_refcnt, 1)
 108 #define ieee80211_node_decref(_ni) \
 109         atomic_subtract_int(&(_ni)->ni_refcnt, 1)
 110 struct ieee80211_node;
 111 int     ieee80211_node_dectestref(struct ieee80211_node *ni);
 112 #define ieee80211_node_refcnt(_ni)      (_ni)->ni_refcnt
 113
 114 struct ifqueue;
 115 struct ieee80211vap;
 116 struct ieee80211com;
 117 void    ieee80211_flush_ifq(struct ifaltq *, struct ieee80211vap *);
 118
 119 void    ieee80211_vap_destroy(struct ieee80211vap *);
 120 int     ieee80211_vap_xmitpkt(struct ieee80211vap *vap, struct mbuf *m);
 121 int     ieee80211_parent_xmitpkt(struct ieee80211com *ic, struct mbuf *m);
 122 int     ieee80211_handoff(struct ifnet *, struct mbuf *);
 123 uint16_t ieee80211_txtime(struct ieee80211_node *, u_int, uint8_t, uint32_t);
 124
 125 #define IFNET_IS_UP_RUNNING(_ifp) \
 126         (((_ifp)->if_flags & IFF_UP) && \
 127          ((_ifp)->if_flags & IFF_RUNNING))
 128
 129 /* XXX TODO: cap these at 1, as hz may not be 1000 */
 130 #define msecs_to_ticks(ms)      (((ms)*hz)/1000)
 131 #define ticks_to_msecs(t)       (1000*(t) / hz)
 132 #define ticks_to_secs(t)        ((t) / hz)
 133
 134 #define ieee80211_time_after(a,b)       ((long)(b) - (long)(a) < 0)
 135 #define ieee80211_time_before(a,b)      ieee80211_time_after(b,a)
 136 #define ieee80211_time_after_eq(a,b)    ((long)(a) - (long)(b) >= 0)
 137 #define ieee80211_time_before_eq(a,b)   ieee80211_time_after_eq(b,a)
 138
 139 struct mbuf *ieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen);
 140
 141 /* tx path usage */
 142 #define M_ENCAP         M_PROTO1                /* 802.11 encap done */
 143 #define M_EAPOL         M_PROTO3                /* PAE/EAPOL frame */
 144 #define M_PWR_SAV       M_PROTO4                /* bypass PS handling */
 145 #define M_MORE_DATA     M_PROTO5                /* more data frames to follow */
 146 #define M_FF            M_PROTO6                /* fast frame / A-MSDU */
 147 #define M_TXCB          M_PROTO7                /* do tx complete callback */
 148 #define M_AMPDU_MPDU    M_PROTO8                /* ok for A-MPDU aggregation */
 149 #define M_80211_TX \
 150         (M_FRAG|M_FIRSTFRAG|M_LASTFRAG|M_ENCAP|M_EAPOL|M_PWR_SAV|\
 151          M_MORE_DATA|M_FF|M_TXCB|M_AMPDU_MPDU)
 152
 153 /* rx path usage */
 154 #define M_AMPDU         M_PROTO1                /* A-MPDU subframe */
 155 #define M_WEP           M_PROTO2                /* WEP done by hardware */
 156 #if 0
 157 #define M_AMPDU_MPDU    M_PROTO8                /* A-MPDU re-order done */
 158 #endif
 159 #define M_80211_RX      (M_AMPDU|M_WEP|M_AMPDU_MPDU)
 160
 161 #define IEEE80211_MBUF_TX_FLAG_BITS \
 162         "\20\1M_EXT\2M_PKTHDR\3M_EOR\4M_RDONLY\5M_ENCAP\6M_WEP\7M_EAPOL" \
 163         "\10M_PWR_SAV\11M_MORE_DATA\12M_BCAST\13M_MCAST\14M_FRAG\15M_FIRSTFRAG" \
 164         "\16M_LASTFRAG\17M_SKIP_FIREWALL\20M_FREELIST\21M_VLANTAG\22M_PROMISC" \
 165         "\23M_NOFREE\24M_FF\25M_TXCB\26M_AMPDU_MPDU\27M_FLOWID"
 166
 167 #define IEEE80211_MBUF_RX_FLAG_BITS \
 168         "\20\1M_EXT\2M_PKTHDR\3M_EOR\4M_RDONLY\5M_AMPDU\6M_WEP\7M_PROTO3" \
 169         "\10M_PROTO4\11M_PROTO5\12M_BCAST\13M_MCAST\14M_FRAG\15M_FIRSTFRAG" \
 170         "\16M_LASTFRAG\17M_SKIP_FIREWALL\20M_FREELIST\21M_VLANTAG\22M_PROMISC" \
 171         "\23M_NOFREE\24M_PROTO6\25M_PROTO7\26M_AMPDU_MPDU\27M_FLOWID"
 172
 173 /*
 174  * Store WME access control bits in the vlan tag.
 175  * This is safe since it's done after the packet is classified
 176  * (where we use any previous tag) and because it's passed
 177  * directly in to the driver and there's no chance someone
 178  * else will clobber them on us.
 179  */
 180 #define M_WME_SETAC(m, ac) \
 181         ((m)->m_pkthdr.ether_vlantag = (ac))
 182 #define M_WME_GETAC(m)  ((m)->m_pkthdr.ether_vlantag)
 183
 184 /*
 185  * Mbufs on the power save queue are tagged with an age and
 186  * timed out.  We reuse the hardware checksum field in the
 187  * mbuf packet header to store this data.
 188  */
 189 #define M_AGE_SET(m,v)          (m->m_pkthdr.csum_data = v)
 190 #define M_AGE_GET(m)            (m->m_pkthdr.csum_data)
 191 #define M_AGE_SUB(m,adj)        (m->m_pkthdr.csum_data -= adj)
 192
 193 /*
 194  * Store the sequence number.
 195  */
 196 #define M_SEQNO_SET(m, seqno) \
 197         ((m)->m_pkthdr.wlan_seqno = (seqno))
 198 #define M_SEQNO_GET(m)  ((m)->m_pkthdr.wlan_seqno)
 199
 200 #define MTAG_ABI_NET80211       1132948340      /* net80211 ABI */
 201
 202 struct ieee80211_cb {
 203         void    (*func)(struct ieee80211_node *, void *, int status);
 204         void    *arg;
 205 };
 206 #define NET80211_TAG_CALLBACK   0       /* xmit complete callback */
 207 int     ieee80211_add_callback(struct mbuf *m,
 208                 void (*func)(struct ieee80211_node *, void *, int), void *arg);
 209 void    ieee80211_process_callback(struct ieee80211_node *, struct mbuf *, int);
 210
 211 #define NET80211_TAG_XMIT_PARAMS        1
 212 /* See below; this is after the bpf_params definition */
 213
 214 void    get_random_bytes(void *, size_t);
 215
 216 #define NET80211_TAG_RECV_PARAMS        2
 217
 218 struct ieee80211com;
 219
 220 void    ieee80211_sysctl_attach(struct ieee80211com *);
 221 void    ieee80211_sysctl_detach(struct ieee80211com *);
 222 void    ieee80211_sysctl_vattach(struct ieee80211vap *);
 223 void    ieee80211_sysctl_vdetach(struct ieee80211vap *);
 224
 225 SYSCTL_DECL(_net_wlan);
 226 int     ieee80211_sysctl_msecs_ticks(SYSCTL_HANDLER_ARGS);
 227
 228 void    ieee80211_load_module(const char *);
 229
 230 /*
 231  * A "policy module" is an adjunct module to net80211 that provides
 232  * functionality that typically includes policy decisions.  This
 233  * modularity enables extensibility and vendor-supplied functionality.
 234  */
 235 #define _IEEE80211_POLICY_MODULE(policy, name, version)                 \
 236 typedef void (*policy##_setup)(int);                                    \
 237 SET_DECLARE(policy##_set, policy##_setup);                              \
 238 static int                                                              \
 239 wlan_##name##_modevent(module_t mod, int type, void *unused)            \
 240 {                                                                       \
 241         policy##_setup * const *iter, f;                                \
 242         int error;                                                      \
 243                                                                         \
 244         switch (type) {                                                 \
 245         case MOD_LOAD:                                                  \
 246                 SET_FOREACH(iter, policy##_set) {                       \
 247                         f = (void*) *iter;                              \
 248                         f(type);                                        \
 249                 }                                                       \
 250                 error = 0;                                              \
 251                 break;                                                  \
 252         case MOD_UNLOAD:                                                \
 253                 error = 0;                                              \
 254                 if (nrefs) {                                            \
 255                         kprintf("wlan_" #name ": still in use (%u "     \
 256                                 "dynamic refs)\n",                      \
 257                                 nrefs);                                 \
 258                         error = EBUSY;                                  \
 259                 } else if (type == MOD_UNLOAD) {                        \
 260                         SET_FOREACH(iter, policy##_set) {               \
 261                                 f = (void*) *iter;                      \
 262                                 f(type);                                \
 263                         }                                               \
 264                 }                                                       \
 265                 break;                                                  \
 266         default:                                                        \
 267                 error = EINVAL;                                         \
 268                 break;                                                  \
 269         }                                                               \
 270                                                                         \
 271         return error;                                                   \
 272 }                                                                       \
 273 static moduledata_t name##_mod = {                                      \
 274         "wlan_" #name,                                                  \
 275         wlan_##name##_modevent,                                         \
 276         0                                                               \
 277 };                                                                      \
 278 DECLARE_MODULE(wlan_##name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);\
 279 MODULE_VERSION(wlan_##name, version);                                   \
 280 MODULE_DEPEND(wlan_##name, wlan, 1, 1, 1)
 281
 282 /*
 283  * Crypto modules implement cipher support.
 284  */
 285 #define IEEE80211_CRYPTO_MODULE(name, version)                          \
 286 _IEEE80211_POLICY_MODULE(crypto, name, version);                        \
 287 static void                                                             \
 288 name##_modevent(int type)                                               \
 289 {                                                                       \
 290         /* wlan already serialized! */                                  \
 291         if (type == MOD_LOAD)                                           \
 292                 ieee80211_crypto_register(&name);                       \
 293         else                                                            \
 294                 ieee80211_crypto_unregister(&name);                     \
 295 }                                                                       \
 296 TEXT_SET(crypto##_set, name##_modevent)
 297
 298 /*
 299  * Scanner modules provide scanning policy.
 300  */
 301 #define IEEE80211_SCANNER_MODULE(name, version)                         \
 302         _IEEE80211_POLICY_MODULE(scanner, name, version)
 303
 304 #define IEEE80211_SCANNER_ALG(name, alg, v)                             \
 305 static void                                                             \
 306 name##_modevent(int type)                                               \
 307 {                                                                       \
 308         /* wlan already serialized! */                                  \
 309         if (type == MOD_LOAD)                                           \
 310                 ieee80211_scanner_register(alg, &v);                    \
 311         else                                                            \
 312                 ieee80211_scanner_unregister(alg, &v);                  \
 313 }                                                                       \
 314 TEXT_SET(scanner_set, name##_modevent);                                 \
 315
 316 /*
 317  * ACL modules implement acl policy.
 318  */
 319 #define IEEE80211_ACL_MODULE(name, alg, version)                        \
 320 _IEEE80211_POLICY_MODULE(acl, name, version);                           \
 321 static void                                                             \
 322 alg##_modevent(int type)                                                \
 323 {                                                                       \
 324         /* wlan already serialized! */                                  \
 325         if (type == MOD_LOAD)                                           \
 326                 ieee80211_aclator_register(&alg);                       \
 327         else                                                            \
 328                 ieee80211_aclator_unregister(&alg);                     \
 329 }                                                                       \
 330 TEXT_SET(acl_set, alg##_modevent);                                      \
 331
 332 /*
 333  * Authenticator modules handle 802.1x/WPA authentication.
 334  */
 335 #define IEEE80211_AUTH_MODULE(name, version)                            \
 336         _IEEE80211_POLICY_MODULE(auth, name, version)
 337
 338 #define IEEE80211_AUTH_ALG(name, alg, v)                                \
 339 static void                                                             \
 340 name##_modevent(int type)                                               \
 341 {                                                                       \
 342         /* wlan already serialized! */                                  \
 343         if (type == MOD_LOAD)                                           \
 344                 ieee80211_authenticator_register(alg, &v);              \
 345         else                                                            \
 346                 ieee80211_authenticator_unregister(alg);                \
 347 }                                                                       \
 348 TEXT_SET(auth_set, name##_modevent)
 349
 350 /*
 351  * Rate control modules provide tx rate control support.
 352  */
 353 #define IEEE80211_RATECTL_MODULE(alg, version)                          \
 354         _IEEE80211_POLICY_MODULE(ratectl, alg, version);                \
 355
 356 #define IEEE80211_RATECTL_ALG(name, alg, v)                             \
 357 static void                                                             \
 358 alg##_modevent(int type)                                                \
 359 {                                                                       \
 360         /* wlan already serialized! */                                  \
 361         if (type == MOD_LOAD)                                           \
 362                 ieee80211_ratectl_register(alg, &v);                    \
 363         else                                                            \
 364                 ieee80211_ratectl_unregister(alg);                      \
 365 }                                                                       \
 366 TEXT_SET(ratectl##_set, alg##_modevent)
 367
 368 struct ieee80211req;
 369 typedef int ieee80211_ioctl_getfunc(struct ieee80211vap *,
 370     struct ieee80211req *);
 371 SET_DECLARE(ieee80211_ioctl_getset, ieee80211_ioctl_getfunc);
 372 #define IEEE80211_IOCTL_GET(_name, _get) TEXT_SET(ieee80211_ioctl_getset, _get)
 373
 374 typedef int ieee80211_ioctl_setfunc(struct ieee80211vap *,
 375     struct ieee80211req *);
 376 SET_DECLARE(ieee80211_ioctl_setset, ieee80211_ioctl_setfunc);
 377 #define IEEE80211_IOCTL_SET(_name, _set) TEXT_SET(ieee80211_ioctl_setset, _set)
 378 #endif /* _KERNEL */
 379
 380 /* XXX this stuff belongs elsewhere */
 381 /*
 382  * Message formats for messages from the net80211 layer to user
 383  * applications via the routing socket.  These messages are appended
 384  * to an if_announcemsghdr structure.
 385  */
 386 struct ieee80211_join_event {
 387         uint8_t         iev_addr[6];
 388 };
 389
 390 struct ieee80211_leave_event {
 391         uint8_t         iev_addr[6];
 392 };
 393
 394 struct ieee80211_replay_event {
 395         uint8_t         iev_src[6];     /* src MAC */
 396         uint8_t         iev_dst[6];     /* dst MAC */
 397         uint8_t         iev_cipher;     /* cipher type */
 398         uint8_t         iev_keyix;      /* key id/index */
 399         uint64_t        iev_keyrsc;     /* RSC from key */
 400         uint64_t        iev_rsc;        /* RSC from frame */
 401 };
 402
 403 struct ieee80211_michael_event {
 404         uint8_t         iev_src[6];     /* src MAC */
 405         uint8_t         iev_dst[6];     /* dst MAC */
 406         uint8_t         iev_cipher;     /* cipher type */
 407         uint8_t         iev_keyix;      /* key id/index */
 408 };
 409
 410 struct ieee80211_wds_event {
 411         uint8_t         iev_addr[6];
 412 };
 413
 414 struct ieee80211_csa_event {
 415         uint32_t        iev_flags;      /* channel flags */
 416         uint16_t        iev_freq;       /* setting in Mhz */
 417         uint8_t         iev_ieee;       /* IEEE channel number */
 418         uint8_t         iev_mode;       /* CSA mode */
 419         uint8_t         iev_count;      /* CSA count */
 420 };
 421
 422 struct ieee80211_cac_event {
 423         uint32_t        iev_flags;      /* channel flags */
 424         uint16_t        iev_freq;       /* setting in Mhz */
 425         uint8_t         iev_ieee;       /* IEEE channel number */
 426         /* XXX timestamp? */
 427         uint8_t         iev_type;       /* IEEE80211_NOTIFY_CAC_* */
 428 };
 429
 430 struct ieee80211_radar_event {
 431         uint32_t        iev_flags;      /* channel flags */
 432         uint16_t        iev_freq;       /* setting in Mhz */
 433         uint8_t         iev_ieee;       /* IEEE channel number */
 434         /* XXX timestamp? */
 435 };
 436
 437 struct ieee80211_auth_event {
 438         uint8_t         iev_addr[6];
 439 };
 440
 441 struct ieee80211_deauth_event {
 442         uint8_t         iev_addr[6];
 443 };
 444
 445 struct ieee80211_country_event {
 446         uint8_t         iev_addr[6];
 447         uint8_t         iev_cc[2];      /* ISO country code */
 448 };
 449
 450 struct ieee80211_radio_event {
 451         uint8_t         iev_state;      /* 1 on, 0 off */
 452 };
 453
 454 #define RTM_IEEE80211_ASSOC     100     /* station associate (bss mode) */
 455 #define RTM_IEEE80211_REASSOC   101     /* station re-associate (bss mode) */
 456 #define RTM_IEEE80211_DISASSOC  102     /* station disassociate (bss mode) */
 457 #define RTM_IEEE80211_JOIN      103     /* station join (ap mode) */
 458 #define RTM_IEEE80211_LEAVE     104     /* station leave (ap mode) */
 459 #define RTM_IEEE80211_SCAN      105     /* scan complete, results available */
 460 #define RTM_IEEE80211_REPLAY    106     /* sequence counter replay detected */
 461 #define RTM_IEEE80211_MICHAEL   107     /* Michael MIC failure detected */
 462 #define RTM_IEEE80211_REJOIN    108     /* station re-associate (ap mode) */
 463 #define RTM_IEEE80211_WDS       109     /* WDS discovery (ap mode) */
 464 #define RTM_IEEE80211_CSA       110     /* Channel Switch Announcement event */
 465 #define RTM_IEEE80211_RADAR     111     /* radar event */
 466 #define RTM_IEEE80211_CAC       112     /* Channel Availability Check event */
 467 #define RTM_IEEE80211_DEAUTH    113     /* station deauthenticate */
 468 #define RTM_IEEE80211_AUTH      114     /* station authenticate (ap mode) */
 469 #define RTM_IEEE80211_COUNTRY   115     /* discovered country code (sta mode) */
 470 #define RTM_IEEE80211_RADIO     116     /* RF kill switch state change */
 471
 472 /*
 473  * Structure prepended to raw packets sent through the bpf
 474  * interface when set to DLT_IEEE802_11_RADIO.  This allows
 475  * user applications to specify pretty much everything in
 476  * an Atheros tx descriptor.  XXX need to generalize.
 477  *
 478  * XXX cannot be more than 14 bytes as it is copied to a sockaddr's
 479  * XXX sa_data area.
 480  */
 481 struct ieee80211_bpf_params {
 482         uint8_t         ibp_vers;       /* version */
 483 #define IEEE80211_BPF_VERSION   0
 484         uint8_t         ibp_len;        /* header length in bytes */
 485         uint8_t         ibp_flags;
 486 #define IEEE80211_BPF_SHORTPRE  0x01    /* tx with short preamble */
 487 #define IEEE80211_BPF_NOACK     0x02    /* tx with no ack */
 488 #define IEEE80211_BPF_CRYPTO    0x04    /* tx with h/w encryption */
 489 #define IEEE80211_BPF_FCS       0x10    /* frame incldues FCS */
 490 #define IEEE80211_BPF_DATAPAD   0x20    /* frame includes data padding */
 491 #define IEEE80211_BPF_RTS       0x40    /* tx with RTS/CTS */
 492 #define IEEE80211_BPF_CTS       0x80    /* tx with CTS only */
 493         uint8_t         ibp_pri;        /* WME/WMM AC+tx antenna */
 494         uint8_t         ibp_try0;       /* series 1 try count */
 495         uint8_t         ibp_rate0;      /* series 1 IEEE tx rate */
 496         uint8_t         ibp_power;      /* tx power (device units) */
 497         uint8_t         ibp_ctsrate;    /* IEEE tx rate for CTS */
 498         uint8_t         ibp_try1;       /* series 2 try count */
 499         uint8_t         ibp_rate1;      /* series 2 IEEE tx rate */
 500         uint8_t         ibp_try2;       /* series 3 try count */
 501         uint8_t         ibp_rate2;      /* series 3 IEEE tx rate */
 502         uint8_t         ibp_try3;       /* series 4 try count */
 503         uint8_t         ibp_rate3;      /* series 4 IEEE tx rate */
 504 };
 505
 506 #ifdef _KERNEL
 507 struct ieee80211_tx_params {
 508         struct ieee80211_bpf_params params;
 509 };
 510 int     ieee80211_add_xmit_params(struct mbuf *m,
 511             const struct ieee80211_bpf_params *);
 512 int     ieee80211_get_xmit_params(struct mbuf *m,
 513             struct ieee80211_bpf_params *);
 514
 515 #define IEEE80211_MAX_CHAINS            3
 516 #define IEEE80211_MAX_EVM_PILOTS        6
 517
 518 #define IEEE80211_R_NF          0x0000001       /* global NF value valid */
 519 #define IEEE80211_R_RSSI        0x0000002       /* global RSSI value valid */
 520 #define IEEE80211_R_C_CHAIN     0x0000004       /* RX chain count valid */
 521 #define IEEE80211_R_C_NF        0x0000008       /* per-chain NF value valid */
 522 #define IEEE80211_R_C_RSSI      0x0000010       /* per-chain RSSI value valid */
 523 #define IEEE80211_R_C_EVM       0x0000020       /* per-chain EVM valid */
 524 #define IEEE80211_R_C_HT40      0x0000040       /* RX'ed packet is 40mhz, pilots 4,5 valid */
 525 #define IEEE80211_R_FREQ        0x0000080       /* Freq value populated, MHz */
 526 #define IEEE80211_R_IEEE        0x0000100       /* IEEE value populated */
 527 #define IEEE80211_R_BAND        0x0000200       /* Frequency band populated */
 528
 529 struct ieee80211_rx_stats {
 530         uint32_t r_flags;               /* IEEE80211_R_* flags */
 531         uint8_t c_chain;                /* number of RX chains involved */
 532         int16_t c_nf_ctl[IEEE80211_MAX_CHAINS]; /* per-chain NF */
 533         int16_t c_nf_ext[IEEE80211_MAX_CHAINS]; /* per-chain NF */
 534         int16_t c_rssi_ctl[IEEE80211_MAX_CHAINS];       /* per-chain RSSI */
 535         int16_t c_rssi_ext[IEEE80211_MAX_CHAINS];       /* per-chain RSSI */
 536         uint8_t nf;                     /* global NF */
 537         uint8_t rssi;                   /* global RSSI */
 538         uint8_t evm[IEEE80211_MAX_CHAINS][IEEE80211_MAX_EVM_PILOTS];
 539                                         /* per-chain, per-pilot EVM values */
 540         uint16_t c_freq;
 541         uint8_t c_ieee;
 542 };
 543
 544 struct ieee80211_rx_params {
 545         struct ieee80211_rx_stats params;
 546 };
 547 int     ieee80211_add_rx_params(struct mbuf *m,
 548             const struct ieee80211_rx_stats *rxs);
 549 int     ieee80211_get_rx_params(struct mbuf *m,
 550             struct ieee80211_rx_stats *rxs);
 551 #endif /* _KERNEL */
 552
 553 /*
 554  * FreeBSD overrides
 555  */
 556 const char *ether_sprintf(const u_char *buf);
 557
 558 #define V_ifnet ifnet
 559 #define IFF_DRV_RUNNING IFF_RUNNING
 560 #define if_drv_flags    if_flags
 561
 562 typedef struct lock     ieee80211_psq_lock_t;
 563 typedef struct lock     ieee80211_ageq_lock_t;
 564 typedef struct lock     ieee80211_node_lock_t;
 565 typedef struct lock     ieee80211_scan_lock_t;
 566 typedef struct lock     ieee80211_com_lock_t;
 567 typedef struct lock     ieee80211_tx_lock_t;
 568 typedef struct lock     ieee80211_scan_table_lock_t;
 569 typedef struct lock     ieee80211_scan_iter_lock_t;
 570 typedef struct lock     acl_lock_t;
 571 typedef struct lock     ieee80211_rte_lock_t;
 572 typedef struct lock     ieee80211_rt_lock_t;
 573
 574 #define IEEE80211_LOCK_OBJ(ic)                  (&(ic)->ic_comlock)
 575
 576 #define IEEE80211_LOCK_INIT(ic, name)           lockinit(&(ic)->ic_comlock, name, 0, LK_CANRECURSE)
 577 #define IEEE80211_NODE_LOCK_INIT(ic, name)      lockinit(&(nt)->nt_nodelock, name, 0, LK_CANRECURSE)
 578 #define IEEE80211_NODE_ITERATE_LOCK_INIT(ic, name)      lockinit(&(nt)->nt_scanlock, name, 0, LK_CANRECURSE)
 579 #define IEEE80211_SCAN_TABLE_LOCK_INIT(st, name)        lockinit(&(st)->st_lock, name, 0, LK_CANRECURSE)
 580 #define IEEE80211_SCAN_ITER_LOCK_INIT(st, name) lockinit(&(st)->st_scanlock, name, 0, LK_CANRECURSE)
 581 #define IEEE80211_TX_LOCK_INIT(ic, name)        lockinit(&(ic)->ic_txlock, name, 0, LK_CANRECURSE)
 582 #define IEEE80211_AGEQ_LOCK_INIT(aq, name)      lockinit(&(aq)->aq_lock, name, 0, LK_CANRECURSE)
 583 #define IEEE80211_PSQ_INIT(psq, name)           lockinit(&(psq)->psq_lock, name, 0, LK_CANRECURSE)
 584 #define ACL_LOCK_INIT(as, name)         lockinit(&(as)->as_lock, name, 0, LK_CANRECURSE)
 585 #define MESH_RT_ENTRY_LOCK_INIT(st, name)       lockinit(&(st)->rt_lock, name, 0, LK_CANRECURSE)
 586 #define MESH_RT_LOCK_INIT(ms, name)     lockinit(&(ms)->ms_rt_lock, name, 0, LK_CANRECURSE)
 587
 588 #define IEEE80211_LOCK_DESTROY(ic)              lockuninit(&(ic)->ic_comlock)
 589 #define IEEE80211_NODE_LOCK_DESTROY(nt)         lockuninit(&(nt)->nt_nodelock)
 590 #define IEEE80211_NODE_ITERATE_LOCK_DESTROY(nt) lockuninit(&(nt)->nt_scanlock)
 591 #define IEEE80211_SCAN_TABLE_LOCK_DESTROY(st)   lockuninit(&(st)->st_lock)
 592 #define IEEE80211_SCAN_ITER_LOCK_DESTROY(st)    lockuninit(&(st)->st_scanlock)
 593 #define IEEE80211_TX_LOCK_DESTROY(ic)           lockuninit(&(ic)->ic_txlock)
 594 #define IEEE80211_AGEQ_LOCK_DESTROY(aq)         lockuninit(&(aq)->aq_lock)
 595 #define IEEE80211_PSQ_DESTROY(psq)              lockuninit(&(psq)->psq_lock)
 596 #define ACL_LOCK_DESTROY(as)                    lockuninit(&(as)->as_lock)
 597 #define MESH_RT_ENTRY_LOCK_DESTROY(rt)          lockuninit(&(rt)->rt_lock)
 598 #define MESH_RT_LOCK_DESTROY(ms)                lockuninit(&(ms)->ms_rt_lock)
 599
 600 #define IEEE80211_LOCK(ic)                      lockmgr(&(ic)->ic_comlock, LK_EXCLUSIVE)
 601 #define IEEE80211_NODE_LOCK(nt)                 lockmgr(&(nt)->nt_nodelock, LK_EXCLUSIVE)
 602 #define IEEE80211_NODE_ITERATE_LOCK(nt)         lockmgr(&(nt)->nt_scanlock, LK_EXCLUSIVE)
 603 #define IEEE80211_SCAN_TABLE_LOCK(st)           lockmgr(&(st)->st_lock, LK_EXCLUSIVE)
 604 #define IEEE80211_SCAN_ITER_LOCK(st)            lockmgr(&(st)->st_scanlock, LK_EXCLUSIVE)
 605 #define IEEE80211_TX_LOCK(ic)                   lockmgr(&(ic)->ic_txlock, LK_EXCLUSIVE)
 606 #define IEEE80211_AGEQ_LOCK(aq)                 lockmgr(&(aq)->aq_lock, LK_EXCLUSIVE)
 607 #define IEEE80211_PSQ_LOCK(psq)                 lockmgr(&(psq)->psq_lock, LK_EXCLUSIVE)
 608 #define ACL_LOCK(as)                            lockmgr(&(as)->as_lock, LK_EXCLUSIVE)
 609 #define MESH_RT_ENTRY_LOCK(rt)                  lockmgr(&(rt)->rt_lock, LK_EXCLUSIVE)
 610 #define MESH_RT_LOCK(ms)                        lockmgr(&(ms)->ms_rt_lock, LK_EXCLUSIVE)
 611
 612 #define IEEE80211_UNLOCK(ic)                    lockmgr(&(ic)->ic_comlock, LK_RELEASE)
 613 #define IEEE80211_NODE_UNLOCK(nt)               lockmgr(&(nt)->nt_nodelock, LK_RELEASE)
 614 #define IEEE80211_NODE_ITERATE_UNLOCK(nt)       lockmgr(&(nt)->nt_scanlock, LK_RELEASE)
 615 #define IEEE80211_SCAN_TABLE_UNLOCK(nt)         lockmgr(&(st)->st_lock, LK_RELEASE)
 616 #define IEEE80211_SCAN_ITER_UNLOCK(nt)          lockmgr(&(st)->st_scanlock, LK_RELEASE)
 617 #define IEEE80211_TX_UNLOCK(ic)                 lockmgr(&(ic)->ic_txlock, LK_RELEASE)
 618 #define IEEE80211_AGEQ_UNLOCK(aq)               lockmgr(&(aq)->aq_lock, LK_RELEASE)
 619 #define IEEE80211_PSQ_UNLOCK(psq)               lockmgr(&(psq)->psq_lock, LK_RELEASE)
 620 #define ACL_UNLOCK(as)                          lockmgr(&(as)->as_lock, LK_RELEASE)
 621 #define MESH_RT_ENTRY_UNLOCK(rt)                lockmgr(&(rt)->rt_lock, LK_RELEASE)
 622 #define MESH_RT_UNLOCK(ms)                      lockmgr(&(ms)->ms_rt_lock, LK_RELEASE)
 623
 624 #define IEEE80211_LOCK_ASSERT(ic)               \
 625                                 KKASSERT(lockstatus(&(ic)->ic_comlock, curthread) == LK_EXCLUSIVE)
 626 #define IEEE80211_UNLOCK_ASSERT(ic)             \
 627                                 KKASSERT(lockstatus(&(ic)->ic_comlock, curthread) != LK_EXCLUSIVE)
 628 #define IEEE80211_NODE_LOCK_ASSERT(nt)          \
 629                                 KKASSERT(lockstatus(&(nt)->nt_nodelock, curthread) == LK_EXCLUSIVE)
 630 #define IEEE80211_NODE_ITERATE_LOCK_ASSERT(nt)          \
 631                                 KKASSERT(lockstatus(&(nt)->nt_scanlock, curthread) == LK_EXCLUSIVE)
 632 #define IEEE80211_TX_LOCK_ASSERT(ic)            \
 633                                 KKASSERT(lockstatus(&(ic)->ic_txlock, curthread) == LK_EXCLUSIVE)
 634 #define IEEE80211_TX_UNLOCK_ASSERT(ic)          \
 635                                 KKASSERT(lockstatus(&(ic)->ic_txlock, curthread) != LK_EXCLUSIVE)
 636 #define IEEE80211_AGEQ_LOCK_ASSERT(aq)          \
 637                                 KKASSERT(lockstatus(&(aq)->aq_lock, curthread) == LK_EXCLUSIVE)
 638 #define ACL_LOCK_ASSERT(as)             \
 639                                 KKASSERT(lockstatus(&(as)->as_lock, curthread) == LK_EXCLUSIVE)
 640 #define MESH_RT_ENTRY_LOCK_ASSERT(rt)           \
 641                                 KKASSERT(lockstatus(&(rt)->rt_lock, curthread) == LK_EXCLUSIVE)
 642 #define MESH_RT_LOCK_ASSERT(ms)         \
 643                                 KKASSERT(lockstatus(&(ms)->ms_rt_lock, curthread) == LK_EXCLUSIVE)
 644
 645 #define IEEE80211_NODE_IS_LOCKED(nt)            \
 646                                 (lockstatus(&(nt)->nt_nodelock, curthread) == LK_EXCLUSIVE)
 647
 648 #define arc4random      karc4random
 649
 650 #define IEEE80211_AGEQ_INIT(aq, name)
 651 #define IEEE80211_AGEQ_DESTROY(aq)
 652 #define CURVNET_SET(x)
 653 #define CURVNET_RESTORE()
 654 #define ifa_free(ifa)
 655
 656 #define ALIGNED_POINTER(p, t)   (((uintptr_t)(p) & (sizeof(t) - 1)) == 0)
 657
 658 #define osdep_va_list           __va_list
 659 #define osdep_va_start          __va_start
 660 #define osdep_va_end            __va_end
 661
 662 /*
 663  * DragonFly does not implement _SAFE macros because they are generally not
 664  * actually safe in a MP environment, and so it is bad programming practice
 665  * to use them.
 666  */
 667 #define TAILQ_FOREACH_SAFE(scan, list, next, save)      \
 668         for (scan = TAILQ_FIRST(list); (save = scan ? TAILQ_NEXT(scan, next) : NULL), scan; scan = save)        \
 669
 670 #define callout_init_mtx(callo, lk, flags)              \
 671                                 callout_init_lk(callo, lk)
 672 #define callout_schedule_dfly(callo, timo, func, args)  \
 673                                 callout_reset(callo, timo, func, args)
 674
 675 /*
 676  * if_inc macros
 677  */
 678 #define ifd_IFCOUNTER_IERRORS   ifd_ierrors
 679 #define ifd_IFCOUNTER_IPACKETS  ifd_ipackets
 680 #define ifd_IFCOUNTER_IBYTES    ifd_ibytes
 681 #define ifd_IFCOUNTER_OERRORS   ifd_oerrors
 682 #define ifd_IFCOUNTER_OPACKETS  ifd_opackets
 683 #define ifd_IFCOUNTER_OMCASTS   ifd_omcasts
 684 #define ifd_IFCOUNTER_OBYTES    ifd_obytes
 685
 686 #define if_inc_counter          IFNET_STAT_INC
 687
 688 #define IEEE80211_FREE(ptr, type)       kfree((ptr), (type))
 689
 690 #endif /* _NET80211_IEEE80211_DRAGONFLY_H_ */