1 /*- 2 * Copyright (c) 2001 Atsushi Onoe 3 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 #ifndef _NET80211_IEEE80211_VAR_H_ 29 #define _NET80211_IEEE80211_VAR_H_ 30 31 /* 32 * Definitions for IEEE 802.11 drivers. 33 */ 34 /* NB: portability glue must go first */ 35 #if defined(__NetBSD__) 36 #include <netproto/802_11/ieee80211_netbsd.h> 37 #elif defined(__FreeBSD__) 38 #include <netproto/802_11/ieee80211_freebsd.h> 39 #elif defined(__DragonFly__) 40 #include <netproto/802_11/ieee80211_dragonfly.h> 41 #elif defined(__linux__) 42 #include <netproto/802_11/ieee80211_linux.h> 43 #else 44 #error "No support for your operating system!" 45 #endif 46 47 #include <netproto/802_11/_ieee80211.h> 48 #include <netproto/802_11/ieee80211.h> 49 #include <netproto/802_11/ieee80211_ageq.h> 50 #include <netproto/802_11/ieee80211_crypto.h> 51 #include <netproto/802_11/ieee80211_dfs.h> 52 #include <netproto/802_11/ieee80211_ioctl.h> /* for ieee80211_stats */ 53 #include <netproto/802_11/ieee80211_phy.h> 54 #include <netproto/802_11/ieee80211_power.h> 55 #include <netproto/802_11/ieee80211_node.h> 56 #include <netproto/802_11/ieee80211_proto.h> 57 #include <netproto/802_11/ieee80211_radiotap.h> 58 #include <netproto/802_11/ieee80211_scan.h> 59 60 #define IEEE80211_TXPOWER_MAX 100 /* .5 dBm (XXX units?) */ 61 #define IEEE80211_TXPOWER_MIN 0 /* kill radio */ 62 63 #define IEEE80211_DTIM_DEFAULT 1 /* default DTIM period */ 64 #define IEEE80211_BINTVAL_DEFAULT 100 /* default beacon interval (TU's) */ 65 66 #define IEEE80211_BMISS_MAX 2 /* maximum consecutive bmiss allowed */ 67 #define IEEE80211_HWBMISS_DEFAULT 7 /* h/w bmiss threshold (beacons) */ 68 69 #define IEEE80211_BGSCAN_INTVAL_MIN 15 /* min bg scan intvl (secs) */ 70 #define IEEE80211_BGSCAN_INTVAL_DEFAULT (5*60) /* default bg scan intvl */ 71 72 #define IEEE80211_BGSCAN_IDLE_MIN 100 /* min idle time (ms) */ 73 #define IEEE80211_BGSCAN_IDLE_DEFAULT 250 /* default idle time (ms) */ 74 75 #define IEEE80211_SCAN_VALID_MIN 10 /* min scan valid time (secs) */ 76 #define IEEE80211_SCAN_VALID_DEFAULT 60 /* default scan valid time */ 77 78 #define IEEE80211_PS_SLEEP 0x1 /* STA is in power saving mode */ 79 #define IEEE80211_PS_MAX_QUEUE 50 /* maximum saved packets */ 80 81 #define IEEE80211_FIXED_RATE_NONE 0xff 82 #define IEEE80211_TXMAX_DEFAULT 6 /* default ucast max retries */ 83 84 #define IEEE80211_RTS_DEFAULT IEEE80211_RTS_MAX 85 #define IEEE80211_FRAG_DEFAULT IEEE80211_FRAG_MAX 86 87 #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024) 88 #define IEEE80211_TU_TO_MS(x) (((x) * 1024) / 1000) 89 /* XXX TODO: cap this at 1, in case hz is not 1000 */ 90 #define IEEE80211_TU_TO_TICKS(x)(((uint64_t)(x) * 1024 * hz) / (1000 * 1000)) 91 92 /* 93 * 802.11 control state is split into a common portion that maps 94 * 1-1 to a physical device and one or more "Virtual AP's" (VAP) 95 * that are bound to an ieee80211com instance and share a single 96 * underlying device. Each VAP has a corresponding OS device 97 * entity through which traffic flows and that applications use 98 * for issuing ioctls, etc. 99 */ 100 101 /* 102 * Data common to one or more virtual AP's. State shared by 103 * the underlying device and the net80211 layer is exposed here; 104 * e.g. device-specific callbacks. 105 */ 106 struct ieee80211vap; 107 typedef void (*ieee80211vap_attach)(struct ieee80211vap *); 108 109 struct ieee80211_appie { 110 uint16_t ie_len; /* size of ie_data */ 111 uint8_t ie_data[]; /* user-specified IE's */ 112 }; 113 114 struct ieee80211_tdma_param; 115 struct ieee80211_rate_table; 116 struct ieee80211_tx_ampdu; 117 struct ieee80211_rx_ampdu; 118 struct ieee80211_superg; 119 struct ieee80211_frame; 120 121 struct ieee80211com { 122 void *ic_softc; /* driver softc */ 123 const char *ic_name; /* usually device name */ 124 ieee80211_com_lock_t ic_comlock; /* state update lock */ 125 ieee80211_tx_lock_t ic_txlock; /* ic/vap TX lock */ 126 LIST_ENTRY(ieee80211com) ic_next; /* on global list */ 127 TAILQ_HEAD(, ieee80211vap) ic_vaps; /* list of vap instances */ 128 int ic_headroom; /* driver tx headroom needs */ 129 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */ 130 enum ieee80211_opmode ic_opmode; /* operation mode */ 131 struct callout ic_inact; /* inactivity processing */ 132 struct taskqueue *ic_tq; /* deferred state thread */ 133 struct task ic_parent_task; /* deferred parent processing */ 134 struct task ic_promisc_task;/* deferred promisc update */ 135 struct task ic_mcast_task; /* deferred mcast update */ 136 struct task ic_chan_task; /* deferred channel change */ 137 struct task ic_bmiss_task; /* deferred beacon miss hndlr */ 138 struct task ic_chw_task; /* deferred HT CHW update */ 139 struct task ic_wme_task; /* deferred WME update */ 140 struct task ic_restart_task; /* deferred device restart */ 141 142 #if defined(__DragonFly__) 143 uint64_t ic_ierrors; /* input errors */ 144 uint64_t ic_oerrors; /* output errors */ 145 #else 146 counter_u64_t ic_ierrors; /* input errors */ 147 counter_u64_t ic_oerrors; /* output errors */ 148 #endif 149 150 uint32_t ic_flags; /* state flags */ 151 uint32_t ic_flags_ext; /* extended state flags */ 152 uint32_t ic_flags_ht; /* HT state flags */ 153 uint32_t ic_flags_ven; /* vendor state flags */ 154 uint32_t ic_caps; /* capabilities */ 155 uint32_t ic_htcaps; /* HT capabilities */ 156 uint32_t ic_htextcaps; /* HT extended capabilities */ 157 uint32_t ic_cryptocaps; /* crypto capabilities */ 158 /* set of mode capabilities */ 159 uint8_t ic_modecaps[IEEE80211_MODE_BYTES]; 160 uint8_t ic_promisc; /* vap's needing promisc mode */ 161 uint8_t ic_allmulti; /* vap's needing all multicast*/ 162 uint8_t ic_nrunning; /* vap's marked running */ 163 uint8_t ic_curmode; /* current mode */ 164 uint8_t ic_macaddr[IEEE80211_ADDR_LEN]; 165 uint16_t ic_bintval; /* beacon interval */ 166 uint16_t ic_lintval; /* listen interval */ 167 uint16_t ic_holdover; /* PM hold over duration */ 168 uint16_t ic_txpowlimit; /* global tx power limit */ 169 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX]; 170 171 /* 172 * Channel state: 173 * 174 * ic_channels is the set of available channels for the device; 175 * it is setup by the driver 176 * ic_nchans is the number of valid entries in ic_channels 177 * ic_chan_avail is a bit vector of these channels used to check 178 * whether a channel is available w/o searching the channel table. 179 * ic_chan_active is a (potentially) constrained subset of 180 * ic_chan_avail that reflects any mode setting or user-specified 181 * limit on the set of channels to use/scan 182 * ic_curchan is the current channel the device is set to; it may 183 * be different from ic_bsschan when we are off-channel scanning 184 * or otherwise doing background work 185 * ic_bsschan is the channel selected for operation; it may 186 * be undefined (IEEE80211_CHAN_ANYC) 187 * ic_prevchan is a cached ``previous channel'' used to optimize 188 * lookups when switching back+forth between two channels 189 * (e.g. for dynamic turbo) 190 */ 191 int ic_nchans; /* # entries in ic_channels */ 192 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX]; 193 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES]; 194 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES]; 195 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES]; 196 struct ieee80211_channel *ic_curchan; /* current channel */ 197 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */ 198 struct ieee80211_channel *ic_bsschan; /* bss channel */ 199 struct ieee80211_channel *ic_prevchan; /* previous channel */ 200 struct ieee80211_regdomain ic_regdomain;/* regulatory data */ 201 struct ieee80211_appie *ic_countryie; /* calculated country ie */ 202 struct ieee80211_channel *ic_countryie_chan; 203 204 /* 802.11h/DFS state */ 205 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */ 206 short ic_csa_mode; /* mode for doing CSA */ 207 short ic_csa_count; /* count for doing CSA */ 208 struct ieee80211_dfs_state ic_dfs; /* DFS state */ 209 210 struct ieee80211_scan_state *ic_scan; /* scan state */ 211 struct ieee80211_scan_methods *ic_scan_methods; /* scan methods */ 212 int ic_lastdata; /* time of last data frame */ 213 int ic_lastscan; /* time last scan completed */ 214 215 /* NB: this is the union of all vap stations/neighbors */ 216 int ic_max_keyix; /* max h/w key index */ 217 struct ieee80211_node_table ic_sta; /* stations/neighbors */ 218 struct ieee80211_ageq ic_stageq; /* frame staging queue */ 219 uint32_t ic_hash_key; /* random key for mac hash */ 220 221 /* XXX multi-bss: split out common/vap parts */ 222 struct ieee80211_wme_state ic_wme; /* WME/WMM state */ 223 224 /* XXX multi-bss: can per-vap be done/make sense? */ 225 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */ 226 uint16_t ic_nonerpsta; /* # non-ERP stations */ 227 uint16_t ic_longslotsta; /* # long slot time stations */ 228 uint16_t ic_sta_assoc; /* stations associated */ 229 uint16_t ic_ht_sta_assoc;/* HT stations associated */ 230 uint16_t ic_ht40_sta_assoc;/* HT40 stations associated */ 231 uint8_t ic_curhtprotmode;/* HTINFO bss state */ 232 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */ 233 int ic_lastnonerp; /* last time non-ERP sta noted*/ 234 int ic_lastnonht; /* last time non-HT sta noted */ 235 uint8_t ic_rxstream; /* # RX streams */ 236 uint8_t ic_txstream; /* # TX streams */ 237 238 /* optional state for Atheros SuperG protocol extensions */ 239 struct ieee80211_superg *ic_superg; 240 241 /* radiotap handling */ 242 struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */ 243 void *ic_txchan; /* channel state in ic_th */ 244 struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */ 245 void *ic_rxchan; /* channel state in ic_rh */ 246 int ic_montaps; /* active monitor mode taps */ 247 248 /* virtual ap create/delete */ 249 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *, 250 const char [IFNAMSIZ], int, 251 enum ieee80211_opmode, int, 252 const uint8_t [IEEE80211_ADDR_LEN], 253 const uint8_t [IEEE80211_ADDR_LEN]); 254 void (*ic_vap_delete)(struct ieee80211vap *); 255 /* device specific ioctls */ 256 int (*ic_ioctl)(struct ieee80211com *, 257 u_long, void *); 258 /* start/stop device */ 259 void (*ic_parent)(struct ieee80211com *); 260 /* operating mode attachment */ 261 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX]; 262 /* return hardware/radio capabilities */ 263 void (*ic_getradiocaps)(struct ieee80211com *, 264 int, int *, struct ieee80211_channel []); 265 /* check and/or prepare regdomain state change */ 266 int (*ic_setregdomain)(struct ieee80211com *, 267 struct ieee80211_regdomain *, 268 int, struct ieee80211_channel []); 269 270 int (*ic_set_quiet)(struct ieee80211_node *, 271 u_int8_t *quiet_elm); 272 273 /* regular transmit */ 274 int (*ic_transmit)(struct ieee80211com *, 275 struct mbuf *); 276 /* send/recv 802.11 management frame */ 277 int (*ic_send_mgmt)(struct ieee80211_node *, 278 int, int); 279 /* send raw 802.11 frame */ 280 int (*ic_raw_xmit)(struct ieee80211_node *, 281 struct mbuf *, 282 const struct ieee80211_bpf_params *); 283 /* update device state for 802.11 slot time change */ 284 void (*ic_updateslot)(struct ieee80211com *); 285 /* handle multicast state changes */ 286 void (*ic_update_mcast)(struct ieee80211com *); 287 /* handle promiscuous mode changes */ 288 void (*ic_update_promisc)(struct ieee80211com *); 289 /* new station association callback/notification */ 290 void (*ic_newassoc)(struct ieee80211_node *, int); 291 /* TDMA update notification */ 292 void (*ic_tdma_update)(struct ieee80211_node *, 293 const struct ieee80211_tdma_param *, int); 294 /* node state management */ 295 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *, 296 const uint8_t [IEEE80211_ADDR_LEN]); 297 void (*ic_node_free)(struct ieee80211_node *); 298 void (*ic_node_cleanup)(struct ieee80211_node *); 299 void (*ic_node_age)(struct ieee80211_node *); 300 void (*ic_node_drain)(struct ieee80211_node *); 301 int8_t (*ic_node_getrssi)(const struct ieee80211_node*); 302 void (*ic_node_getsignal)(const struct ieee80211_node*, 303 int8_t *, int8_t *); 304 void (*ic_node_getmimoinfo)( 305 const struct ieee80211_node*, 306 struct ieee80211_mimo_info *); 307 /* scanning support */ 308 void (*ic_scan_start)(struct ieee80211com *); 309 void (*ic_scan_end)(struct ieee80211com *); 310 void (*ic_set_channel)(struct ieee80211com *); 311 void (*ic_scan_curchan)(struct ieee80211_scan_state *, 312 unsigned long); 313 void (*ic_scan_mindwell)(struct ieee80211_scan_state *); 314 315 /* 316 * 802.11n ADDBA support. A simple/generic implementation 317 * of A-MPDU tx aggregation is provided; the driver may 318 * override these methods to provide their own support. 319 * A-MPDU rx re-ordering happens automatically if the 320 * driver passes out-of-order frames to ieee80211_input 321 * from an assocated HT station. 322 */ 323 int (*ic_recv_action)(struct ieee80211_node *, 324 const struct ieee80211_frame *, 325 const uint8_t *frm, const uint8_t *efrm); 326 int (*ic_send_action)(struct ieee80211_node *, 327 int category, int action, void *); 328 /* check if A-MPDU should be enabled this station+ac */ 329 int (*ic_ampdu_enable)(struct ieee80211_node *, 330 struct ieee80211_tx_ampdu *); 331 /* start/stop doing A-MPDU tx aggregation for a station */ 332 int (*ic_addba_request)(struct ieee80211_node *, 333 struct ieee80211_tx_ampdu *, 334 int dialogtoken, int baparamset, 335 int batimeout); 336 int (*ic_addba_response)(struct ieee80211_node *, 337 struct ieee80211_tx_ampdu *, 338 int status, int baparamset, int batimeout); 339 void (*ic_addba_stop)(struct ieee80211_node *, 340 struct ieee80211_tx_ampdu *); 341 void (*ic_addba_response_timeout)(struct ieee80211_node *, 342 struct ieee80211_tx_ampdu *); 343 /* BAR response received */ 344 void (*ic_bar_response)(struct ieee80211_node *, 345 struct ieee80211_tx_ampdu *, int status); 346 /* start/stop doing A-MPDU rx processing for a station */ 347 int (*ic_ampdu_rx_start)(struct ieee80211_node *, 348 struct ieee80211_rx_ampdu *, int baparamset, 349 int batimeout, int baseqctl); 350 void (*ic_ampdu_rx_stop)(struct ieee80211_node *, 351 struct ieee80211_rx_ampdu *); 352 353 /* The channel width has changed (20<->2040) */ 354 void (*ic_update_chw)(struct ieee80211com *); 355 356 uint64_t ic_spare[7]; 357 }; 358 359 struct ieee80211_aclator; 360 struct ieee80211_tdma_state; 361 struct ieee80211_mesh_state; 362 struct ieee80211_hwmp_state; 363 364 struct ieee80211vap { 365 struct ifmedia iv_media; /* interface media config */ 366 struct ifnet *iv_ifp; /* associated device */ 367 struct bpf_if *iv_rawbpf; /* packet filter structure */ 368 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */ 369 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */ 370 371 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */ 372 struct ieee80211com *iv_ic; /* back ptr to common state */ 373 /* MAC address: ifp or ic */ 374 uint8_t iv_myaddr[IEEE80211_ADDR_LEN]; 375 uint32_t iv_debug; /* debug msg flags */ 376 struct ieee80211_stats iv_stats; /* statistics */ 377 378 uint32_t iv_flags; /* state flags */ 379 uint32_t iv_flags_ext; /* extended state flags */ 380 uint32_t iv_flags_ht; /* HT state flags */ 381 uint32_t iv_flags_ven; /* vendor state flags */ 382 uint32_t iv_ifflags; /* ifnet flags */ 383 uint32_t iv_caps; /* capabilities */ 384 uint32_t iv_htcaps; /* HT capabilities */ 385 uint32_t iv_htextcaps; /* HT extended capabilities */ 386 enum ieee80211_opmode iv_opmode; /* operation mode */ 387 enum ieee80211_state iv_state; /* state machine state */ 388 enum ieee80211_state iv_nstate; /* pending state */ 389 int iv_nstate_arg; /* pending state arg */ 390 struct task iv_nstate_task; /* deferred state processing */ 391 struct task iv_swbmiss_task;/* deferred iv_bmiss call */ 392 struct callout iv_mgtsend; /* mgmt frame response timer */ 393 /* inactivity timer settings */ 394 int iv_inact_init; /* setting for new station */ 395 int iv_inact_auth; /* auth but not assoc setting */ 396 int iv_inact_run; /* authorized setting */ 397 int iv_inact_probe; /* inactive probe time */ 398 399 int iv_des_nssid; /* # desired ssids */ 400 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */ 401 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN]; 402 struct ieee80211_channel *iv_des_chan; /* desired channel */ 403 uint16_t iv_des_mode; /* desired mode */ 404 int iv_nicknamelen; /* XXX junk */ 405 uint8_t iv_nickname[IEEE80211_NWID_LEN]; 406 u_int iv_bgscanidle; /* bg scan idle threshold */ 407 u_int iv_bgscanintvl; /* bg scan min interval */ 408 u_int iv_scanvalid; /* scan cache valid threshold */ 409 u_int iv_scanreq_duration; 410 u_int iv_scanreq_mindwell; 411 u_int iv_scanreq_maxdwell; 412 uint16_t iv_scanreq_flags;/* held scan request params */ 413 uint8_t iv_scanreq_nssid; 414 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID]; 415 /* sta-mode roaming state */ 416 enum ieee80211_roamingmode iv_roaming; /* roaming mode */ 417 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX]; 418 419 uint8_t iv_bmissthreshold; 420 uint8_t iv_bmiss_count; /* current beacon miss count */ 421 int iv_bmiss_max; /* max bmiss before scan */ 422 uint16_t iv_swbmiss_count;/* beacons in last period */ 423 uint16_t iv_swbmiss_period;/* s/w bmiss period */ 424 struct callout iv_swbmiss; /* s/w beacon miss timer */ 425 426 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */ 427 int iv_ampdu_density;/* A-MPDU density */ 428 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */ 429 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */ 430 u_int iv_ampdu_mintraffic[WME_NUM_AC]; 431 432 struct ieee80211_beacon_offsets iv_bcn_off; 433 uint32_t *iv_aid_bitmap; /* association id map */ 434 uint16_t iv_max_aid; 435 uint16_t iv_sta_assoc; /* stations associated */ 436 uint16_t iv_ps_sta; /* stations in power save */ 437 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */ 438 uint16_t iv_txseq; /* mcast xmit seq# space */ 439 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */ 440 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/ 441 uint8_t iv_dtim_period; /* DTIM period */ 442 uint8_t iv_dtim_count; /* DTIM count from last bcn */ 443 /* set/unset aid pwrsav state */ 444 uint8_t iv_quiet; /* Quiet Element */ 445 uint8_t iv_quiet_count; /* constant count for Quiet Element */ 446 uint8_t iv_quiet_count_value; /* variable count for Quiet Element */ 447 uint8_t iv_quiet_period; /* period for Quiet Element */ 448 uint16_t iv_quiet_duration; /* duration for Quiet Element */ 449 uint16_t iv_quiet_offset; /* offset for Quiet Element */ 450 int iv_csa_count; /* count for doing CSA */ 451 452 struct ieee80211_node *iv_bss; /* information for this node */ 453 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX]; 454 uint16_t iv_rtsthreshold; 455 uint16_t iv_fragthreshold; 456 int iv_inact_timer; /* inactivity timer wait */ 457 /* application-specified IE's to attach to mgt frames */ 458 struct ieee80211_appie *iv_appie_beacon; 459 struct ieee80211_appie *iv_appie_probereq; 460 struct ieee80211_appie *iv_appie_proberesp; 461 struct ieee80211_appie *iv_appie_assocreq; 462 struct ieee80211_appie *iv_appie_assocresp; 463 struct ieee80211_appie *iv_appie_wpa; 464 uint8_t *iv_wpa_ie; 465 uint8_t *iv_rsn_ie; 466 uint16_t iv_max_keyix; /* max h/w key index */ 467 ieee80211_keyix iv_def_txkey; /* default/group tx key index */ 468 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID]; 469 int (*iv_key_alloc)(struct ieee80211vap *, 470 struct ieee80211_key *, 471 ieee80211_keyix *, ieee80211_keyix *); 472 int (*iv_key_delete)(struct ieee80211vap *, 473 const struct ieee80211_key *); 474 int (*iv_key_set)(struct ieee80211vap *, 475 const struct ieee80211_key *); 476 void (*iv_key_update_begin)(struct ieee80211vap *); 477 void (*iv_key_update_end)(struct ieee80211vap *); 478 479 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */ 480 void *iv_ec; /* private auth state */ 481 482 const struct ieee80211_aclator *iv_acl; /* acl glue */ 483 void *iv_as; /* private aclator state */ 484 485 const struct ieee80211_ratectl *iv_rate; 486 void *iv_rs; /* private ratectl state */ 487 488 struct ieee80211_tdma_state *iv_tdma; /* tdma state */ 489 struct ieee80211_mesh_state *iv_mesh; /* MBSS state */ 490 struct ieee80211_hwmp_state *iv_hwmp; /* HWMP state */ 491 492 /* operate-mode detach hook */ 493 void (*iv_opdetach)(struct ieee80211vap *); 494 /* receive processing */ 495 int (*iv_input)(struct ieee80211_node *, 496 struct mbuf *, 497 const struct ieee80211_rx_stats *, 498 int, int); 499 void (*iv_recv_mgmt)(struct ieee80211_node *, 500 struct mbuf *, int, 501 const struct ieee80211_rx_stats *, 502 int, int); 503 void (*iv_recv_ctl)(struct ieee80211_node *, 504 struct mbuf *, int); 505 void (*iv_deliver_data)(struct ieee80211vap *, 506 struct ieee80211_node *, struct mbuf *); 507 #if 0 508 /* send processing */ 509 int (*iv_send_mgmt)(struct ieee80211_node *, 510 int, int); 511 #endif 512 /* beacon miss processing */ 513 void (*iv_bmiss)(struct ieee80211vap *); 514 /* reset device state after 802.11 parameter/state change */ 515 int (*iv_reset)(struct ieee80211vap *, u_long); 516 /* [schedule] beacon frame update */ 517 void (*iv_update_beacon)(struct ieee80211vap *, int); 518 /* power save handling */ 519 void (*iv_update_ps)(struct ieee80211vap *, int); 520 int (*iv_set_tim)(struct ieee80211_node *, int); 521 void (*iv_node_ps)(struct ieee80211_node *, int); 522 void (*iv_sta_ps)(struct ieee80211vap *, int); 523 void (*iv_recv_pspoll)(struct ieee80211_node *, 524 struct mbuf *); 525 526 /* state machine processing */ 527 int (*iv_newstate)(struct ieee80211vap *, 528 enum ieee80211_state, int); 529 /* 802.3 output method for raw frame xmit */ 530 #if defined(__DragonFly__) 531 int (*iv_output)(struct ifnet *, struct mbuf *, 532 struct sockaddr *, struct rtentry *); 533 #else 534 int (*iv_output)(struct ifnet *, struct mbuf *, 535 const struct sockaddr *, struct route *); 536 #endif 537 uint64_t iv_spare[6]; 538 }; 539 MALLOC_DECLARE(M_80211_VAP); 540 541 #define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0) 542 #define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN) 543 544 /* ic_flags/iv_flags */ 545 #define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/ 546 #define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */ 547 #define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */ 548 #define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */ 549 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */ 550 #define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */ 551 #define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */ 552 #define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */ 553 #define IEEE80211_F_ASCAN 0x00000100 /* STATUS: active scan */ 554 #define IEEE80211_F_SIBSS 0x00000200 /* STATUS: start IBSS */ 555 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */ 556 #define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/ 557 #define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */ 558 #define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */ 559 #define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */ 560 #define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/ 561 #define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */ 562 #define IEEE80211_F_TXPOW_FIXED 0x00010000 /* TX Power: fixed rate */ 563 #define IEEE80211_F_IBSSON 0x00020000 /* CONF: IBSS creation enable */ 564 #define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */ 565 #define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */ 566 #define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */ 567 #define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/ 568 #define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/ 569 #define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */ 570 #define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */ 571 #define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */ 572 #define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */ 573 #define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */ 574 #define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */ 575 #define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */ 576 #define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */ 577 #define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */ 578 #define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */ 579 580 #define IEEE80211_F_BITS \ 581 "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN\11ASCAN\12SIBSS" \ 582 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY\21TXPOW_FIXED" \ 583 "\22IBSSON\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \ 584 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \ 585 "\37DOTH\40DWDS" 586 587 /* Atheros protocol-specific flags */ 588 #define IEEE80211_F_ATHEROS \ 589 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP) 590 /* Check if an Atheros capability was negotiated for use */ 591 #define IEEE80211_ATH_CAP(vap, ni, bit) \ 592 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit)) 593 594 /* ic_flags_ext/iv_flags_ext */ 595 #define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */ 596 #define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */ 597 /* 0x00000006 reserved */ 598 #define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */ 599 #define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */ 600 #define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */ 601 #define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */ 602 #define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */ 603 #define IEEE80211_FEXT_4ADDR 0x00000100 /* CONF: apply 4-addr encap */ 604 #define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/ 605 #define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */ 606 #define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */ 607 #define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */ 608 #define IEEE80211_FEXT_STATEWAIT 0x00002000 /* STATUS: awaiting state chg */ 609 #define IEEE80211_FEXT_REINIT 0x00004000 /* STATUS: INIT state first */ 610 #define IEEE80211_FEXT_BPF 0x00008000 /* STATUS: BPF tap present */ 611 /* NB: immutable: should be set only when creating a vap */ 612 #define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */ 613 #define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/ 614 #define IEEE80211_FEXT_UNIQMAC 0x00040000 /* CONF: user or computed mac */ 615 616 #define IEEE80211_FEXT_BITS \ 617 "\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \ 618 "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \ 619 "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC" 620 621 /* ic_flags_ht/iv_flags_ht */ 622 #define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */ 623 #define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */ 624 #define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */ 625 #define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */ 626 #define IEEE80211_FHT_AMPDU_RX 0x00200000 /* CONF: A-MPDU rx supported */ 627 #define IEEE80211_FHT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */ 628 #define IEEE80211_FHT_AMSDU_RX 0x00800000 /* CONF: A-MSDU rx supported */ 629 #define IEEE80211_FHT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */ 630 #define IEEE80211_FHT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */ 631 #define IEEE80211_FHT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */ 632 #define IEEE80211_FHT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */ 633 #define IEEE80211_FHT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */ 634 #define IEEE80211_FHT_RIFS 0x20000000 /* CONF: RIFS enabled */ 635 #define IEEE80211_FHT_STBC_TX 0x40000000 /* CONF: STBC tx enabled */ 636 #define IEEE80211_FHT_STBC_RX 0x80000000 /* CONF: STBC rx enabled */ 637 638 #define IEEE80211_FHT_BITS \ 639 "\20\1NONHT_PR" \ 640 "\23GF\24HT\25AMPDU_TX\26AMPDU_TX" \ 641 "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \ 642 "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX" 643 644 #define IEEE80211_FVEN_BITS "\20" 645 646 /* ic_caps/iv_caps: device driver capabilities */ 647 /* 0x2e available */ 648 #define IEEE80211_C_STA 0x00000001 /* CAPABILITY: STA available */ 649 #define IEEE80211_C_8023ENCAP 0x00000002 /* CAPABILITY: 802.3 encap */ 650 #define IEEE80211_C_FF 0x00000040 /* CAPABILITY: ATH FF avail */ 651 #define IEEE80211_C_TURBOP 0x00000080 /* CAPABILITY: ATH Turbo avail*/ 652 #define IEEE80211_C_IBSS 0x00000100 /* CAPABILITY: IBSS available */ 653 #define IEEE80211_C_PMGT 0x00000200 /* CAPABILITY: Power mgmt */ 654 #define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */ 655 #define IEEE80211_C_AHDEMO 0x00000800 /* CAPABILITY: Old Adhoc Demo */ 656 #define IEEE80211_C_SWRETRY 0x00001000 /* CAPABILITY: sw tx retry */ 657 #define IEEE80211_C_TXPMGT 0x00002000 /* CAPABILITY: tx power mgmt */ 658 #define IEEE80211_C_SHSLOT 0x00004000 /* CAPABILITY: short slottime */ 659 #define IEEE80211_C_SHPREAMBLE 0x00008000 /* CAPABILITY: short preamble */ 660 #define IEEE80211_C_MONITOR 0x00010000 /* CAPABILITY: monitor mode */ 661 #define IEEE80211_C_DFS 0x00020000 /* CAPABILITY: DFS/radar avail*/ 662 #define IEEE80211_C_MBSS 0x00040000 /* CAPABILITY: MBSS available */ 663 #define IEEE80211_C_SWSLEEP 0x00080000 /* CAPABILITY: do sleep here */ 664 #define IEEE80211_C_SWAMSDUTX 0x00100000 /* CAPABILITY: software A-MSDU TX */ 665 /* 0x7c0000 available */ 666 #define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */ 667 #define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */ 668 #define IEEE80211_C_WPA 0x01800000 /* CAPABILITY: WPA1+WPA2 avail*/ 669 #define IEEE80211_C_BURST 0x02000000 /* CAPABILITY: frame bursting */ 670 #define IEEE80211_C_WME 0x04000000 /* CAPABILITY: WME avail */ 671 #define IEEE80211_C_WDS 0x08000000 /* CAPABILITY: 4-addr support */ 672 /* 0x10000000 reserved */ 673 #define IEEE80211_C_BGSCAN 0x20000000 /* CAPABILITY: bg scanning */ 674 #define IEEE80211_C_TXFRAG 0x40000000 /* CAPABILITY: tx fragments */ 675 #define IEEE80211_C_TDMA 0x80000000 /* CAPABILITY: TDMA avail */ 676 /* XXX protection/barker? */ 677 678 #define IEEE80211_C_OPMODE \ 679 (IEEE80211_C_STA | IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | \ 680 IEEE80211_C_AHDEMO | IEEE80211_C_MONITOR | IEEE80211_C_WDS | \ 681 IEEE80211_C_TDMA | IEEE80211_C_MBSS) 682 683 #define IEEE80211_C_BITS \ 684 "\20\1STA\002803ENCAP\7FF\10TURBOP\11IBSS\12PMGT" \ 685 "\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \ 686 "\21MONITOR\22DFS\23MBSS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \ 687 "\37TXFRAG\40TDMA" 688 689 /* 690 * ic_htcaps/iv_htcaps: HT-specific device/driver capabilities 691 * 692 * NB: the low 16-bits are the 802.11 definitions, the upper 693 * 16-bits are used to define s/w/driver capabilities. 694 */ 695 #define IEEE80211_HTC_AMPDU 0x00010000 /* CAPABILITY: A-MPDU tx */ 696 #define IEEE80211_HTC_AMSDU 0x00020000 /* CAPABILITY: A-MSDU tx */ 697 /* NB: HT40 is implied by IEEE80211_HTCAP_CHWIDTH40 */ 698 #define IEEE80211_HTC_HT 0x00040000 /* CAPABILITY: HT operation */ 699 #define IEEE80211_HTC_SMPS 0x00080000 /* CAPABILITY: MIMO power save*/ 700 #define IEEE80211_HTC_RIFS 0x00100000 /* CAPABILITY: RIFS support */ 701 #define IEEE80211_HTC_RXUNEQUAL 0x00200000 /* CAPABILITY: RX unequal MCS */ 702 #define IEEE80211_HTC_RXMCS32 0x00400000 /* CAPABILITY: MCS32 support */ 703 #define IEEE80211_HTC_TXUNEQUAL 0x00800000 /* CAPABILITY: TX unequal MCS */ 704 #define IEEE80211_HTC_TXMCS32 0x01000000 /* CAPABILITY: MCS32 suport */ 705 706 #define IEEE80211_C_HTCAP_BITS \ 707 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \ 708 "\21AMPDU\22AMSDU\23HT\24SMPS\25RIFS" 709 710 int ic_printf(struct ieee80211com *, const char *, ...) __printflike(2, 3); 711 void ieee80211_ifattach(struct ieee80211com *); 712 void ieee80211_ifdetach(struct ieee80211com *); 713 int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *, 714 const char name[IFNAMSIZ], int unit, 715 enum ieee80211_opmode opmode, int flags, 716 const uint8_t bssid[IEEE80211_ADDR_LEN]); 717 int ieee80211_vap_attach(struct ieee80211vap *, 718 ifm_change_cb_t, ifm_stat_cb_t, 719 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 720 void ieee80211_vap_detach(struct ieee80211vap *); 721 const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic, 722 const struct ieee80211_channel *); 723 void ieee80211_announce(struct ieee80211com *); 724 void ieee80211_announce_channels(struct ieee80211com *); 725 void ieee80211_drain(struct ieee80211com *); 726 void ieee80211_chan_init(struct ieee80211com *); 727 struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]); 728 struct ieee80211com *ieee80211_find_com(const char *name); 729 int ieee80211_media_change(struct ifnet *); 730 void ieee80211_media_status(struct ifnet *, struct ifmediareq *); 731 #if defined(__DragonFly__) 732 int ieee80211_ioctl(struct ifnet *, u_long, caddr_t, struct ucred *); 733 #else 734 int ieee80211_ioctl(struct ifnet *, u_long, caddr_t); 735 #endif 736 int ieee80211_rate2media(struct ieee80211com *, int, 737 enum ieee80211_phymode); 738 int ieee80211_media2rate(int); 739 int ieee80211_mhz2ieee(u_int, u_int); 740 int ieee80211_chan2ieee(struct ieee80211com *, 741 const struct ieee80211_channel *); 742 u_int ieee80211_ieee2mhz(u_int, u_int); 743 int ieee80211_add_channel(struct ieee80211_channel[], int, int *, 744 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[]); 745 int ieee80211_add_channel_ht40(struct ieee80211_channel[], int, int *, 746 uint8_t, int8_t, uint32_t); 747 int ieee80211_add_channel_list_2ghz(struct ieee80211_channel[], int, int *, 748 const uint8_t[], int, const uint8_t[], int); 749 int ieee80211_add_channel_list_5ghz(struct ieee80211_channel[], int, int *, 750 const uint8_t[], int, const uint8_t[], int); 751 struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *, 752 int freq, int flags); 753 struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *, 754 int ieee, int flags); 755 struct ieee80211_channel *ieee80211_lookup_channel_rxstatus(struct ieee80211vap *, 756 const struct ieee80211_rx_stats *); 757 int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode); 758 enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *); 759 uint32_t ieee80211_mac_hash(const struct ieee80211com *, 760 const uint8_t addr[IEEE80211_ADDR_LEN]); 761 char ieee80211_channel_type_char(const struct ieee80211_channel *c); 762 763 void ieee80211_radiotap_attach(struct ieee80211com *, 764 struct ieee80211_radiotap_header *th, int tlen, 765 uint32_t tx_radiotap, 766 struct ieee80211_radiotap_header *rh, int rlen, 767 uint32_t rx_radiotap); 768 void ieee80211_radiotap_attachv(struct ieee80211com *, 769 struct ieee80211_radiotap_header *th, 770 int tlen, int n_tx_v, uint32_t tx_radiotap, 771 struct ieee80211_radiotap_header *rh, 772 int rlen, int n_rx_v, uint32_t rx_radiotap); 773 void ieee80211_radiotap_detach(struct ieee80211com *); 774 void ieee80211_radiotap_vattach(struct ieee80211vap *); 775 void ieee80211_radiotap_vdetach(struct ieee80211vap *); 776 void ieee80211_radiotap_chan_change(struct ieee80211com *); 777 void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *); 778 void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *); 779 void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *); 780 781 static __inline int 782 ieee80211_radiotap_active(const struct ieee80211com *ic) 783 { 784 return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0; 785 } 786 787 static __inline int 788 ieee80211_radiotap_active_vap(const struct ieee80211vap *vap) 789 { 790 return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) || 791 vap->iv_ic->ic_montaps != 0; 792 } 793 794 /* 795 * Enqueue a task on the state thread. 796 */ 797 static __inline void 798 ieee80211_runtask(struct ieee80211com *ic, struct task *task) 799 { 800 taskqueue_enqueue(ic->ic_tq, task); 801 } 802 803 /* 804 * Wait for a queued task to complete. 805 */ 806 static __inline void 807 ieee80211_draintask(struct ieee80211com *ic, struct task *task) 808 { 809 taskqueue_drain(ic->ic_tq, task); 810 } 811 812 /* 813 * Key update synchronization methods. XXX should not be visible. 814 */ 815 static __inline void 816 ieee80211_key_update_begin(struct ieee80211vap *vap) 817 { 818 vap->iv_key_update_begin(vap); 819 } 820 static __inline void 821 ieee80211_key_update_end(struct ieee80211vap *vap) 822 { 823 vap->iv_key_update_end(vap); 824 } 825 826 /* 827 * XXX these need to be here for IEEE80211_F_DATAPAD 828 */ 829 830 /* 831 * Return the space occupied by the 802.11 header and any 832 * padding required by the driver. This works for a 833 * management or data frame. 834 */ 835 static __inline int 836 ieee80211_hdrspace(struct ieee80211com *ic, const void *data) 837 { 838 int size = ieee80211_hdrsize(data); 839 if (ic->ic_flags & IEEE80211_F_DATAPAD) 840 size = roundup(size, sizeof(uint32_t)); 841 return size; 842 } 843 844 /* 845 * Like ieee80211_hdrspace, but handles any type of frame. 846 */ 847 static __inline int 848 ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data) 849 { 850 int size = ieee80211_anyhdrsize(data); 851 if (ic->ic_flags & IEEE80211_F_DATAPAD) 852 size = roundup(size, sizeof(uint32_t)); 853 return size; 854 } 855 856 /* 857 * Notify a vap that beacon state has been updated. 858 */ 859 static __inline void 860 ieee80211_beacon_notify(struct ieee80211vap *vap, int what) 861 { 862 if (vap->iv_state == IEEE80211_S_RUN) 863 vap->iv_update_beacon(vap, what); 864 } 865 866 /* 867 * Calculate HT channel promotion flags for a channel. 868 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_* 869 */ 870 static __inline int 871 ieee80211_htchanflags(const struct ieee80211_channel *c) 872 { 873 return IEEE80211_IS_CHAN_HT40(c) ? 874 IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 : 875 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0; 876 } 877 878 /* 879 * Fetch the current TX power (cap) for the given node. 880 * 881 * This includes the node and ic/vap TX power limit as needed, 882 * but it doesn't take into account any per-rate limit. 883 */ 884 static __inline uint16_t 885 ieee80211_get_node_txpower(struct ieee80211_node *ni) 886 { 887 struct ieee80211com *ic = ni->ni_ic; 888 uint16_t txpower; 889 890 txpower = ni->ni_txpower; 891 txpower = MIN(txpower, ic->ic_txpowlimit); 892 if (ic->ic_curchan != NULL) { 893 txpower = MIN(txpower, 2 * ic->ic_curchan->ic_maxregpower); 894 txpower = MIN(txpower, ic->ic_curchan->ic_maxpower); 895 } 896 897 return (txpower); 898 } 899 900 /* 901 * Debugging facilities compiled in when IEEE80211_DEBUG is defined. 902 * 903 * The intent is that any problem in the net80211 layer can be 904 * diagnosed by inspecting the statistics (dumped by the wlanstats 905 * program) and/or the msgs generated by net80211. Messages are 906 * broken into functional classes and can be controlled with the 907 * wlandebug program. Certain of these msg groups are for facilities 908 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM). 909 */ 910 #define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */ 911 #define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */ 912 #define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */ 913 #define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */ 914 #define IEEE80211_MSG_INPUT 0x08000000 /* input handling */ 915 #define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */ 916 #define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */ 917 #define IEEE80211_MSG_NODE 0x01000000 /* node handling */ 918 #define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */ 919 #define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */ 920 #define IEEE80211_MSG_SCAN 0x00200000 /* scanning */ 921 #define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */ 922 #define IEEE80211_MSG_STATE 0x00080000 /* state machine */ 923 #define IEEE80211_MSG_POWER 0x00040000 /* power save handling */ 924 #define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */ 925 #define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */ 926 #define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */ 927 #define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */ 928 #define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */ 929 #define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */ 930 #define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */ 931 #define IEEE80211_MSG_WME 0x00000400 /* WME protocol */ 932 #define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */ 933 #define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */ 934 #define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */ 935 #define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */ 936 #define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */ 937 #define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */ 938 #define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */ 939 #define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */ 940 #define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */ 941 942 #define IEEE80211_MSG_ANY 0xffffffff /* anything */ 943 944 #define IEEE80211_MSG_BITS \ 945 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \ 946 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \ 947 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \ 948 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N" 949 950 #ifdef IEEE80211_DEBUG 951 #define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m)) 952 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \ 953 if (ieee80211_msg(_vap, _m)) \ 954 ieee80211_note(_vap, _fmt, __VA_ARGS__); \ 955 } while (0) 956 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \ 957 if (ieee80211_msg(_vap, _m)) \ 958 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\ 959 } while (0) 960 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \ 961 if (ieee80211_msg(_vap, _m)) \ 962 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \ 963 } while (0) 964 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \ 965 if (ieee80211_msg(_vap, _m)) \ 966 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \ 967 } while (0) 968 void ieee80211_note(const struct ieee80211vap *, const char *, ...) 969 __printflike(2, 3); 970 void ieee80211_note_mac(const struct ieee80211vap *, 971 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...) 972 __printflike(3, 4); 973 void ieee80211_note_frame(const struct ieee80211vap *, 974 const struct ieee80211_frame *, const char *, ...) 975 __printflike(3, 4); 976 #define ieee80211_msg_debug(_vap) \ 977 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG) 978 #define ieee80211_msg_dumppkts(_vap) \ 979 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS) 980 #define ieee80211_msg_input(_vap) \ 981 ((_vap)->iv_debug & IEEE80211_MSG_INPUT) 982 #define ieee80211_msg_radius(_vap) \ 983 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS) 984 #define ieee80211_msg_dumpradius(_vap) \ 985 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP) 986 #define ieee80211_msg_dumpradkeys(_vap) \ 987 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS) 988 #define ieee80211_msg_scan(_vap) \ 989 ((_vap)->iv_debug & IEEE80211_MSG_SCAN) 990 #define ieee80211_msg_assoc(_vap) \ 991 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC) 992 993 /* 994 * Emit a debug message about discarding a frame or information 995 * element. One format is for extracting the mac address from 996 * the frame header; the other is for when a header is not 997 * available or otherwise appropriate. 998 */ 999 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \ 1000 if ((_vap)->iv_debug & (_m)) \ 1001 ieee80211_discard_frame(_vap, _wh, _type, _fmt, __VA_ARGS__);\ 1002 } while (0) 1003 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \ 1004 if ((_vap)->iv_debug & (_m)) \ 1005 ieee80211_discard_ie(_vap, _wh, _type, _fmt, __VA_ARGS__);\ 1006 } while (0) 1007 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \ 1008 if ((_vap)->iv_debug & (_m)) \ 1009 ieee80211_discard_mac(_vap, _mac, _type, _fmt, __VA_ARGS__);\ 1010 } while (0) 1011 1012 void ieee80211_discard_frame(const struct ieee80211vap *, 1013 const struct ieee80211_frame *, const char *type, const char *fmt, ...) 1014 __printflike(4, 5); 1015 void ieee80211_discard_ie(const struct ieee80211vap *, 1016 const struct ieee80211_frame *, const char *type, const char *fmt, ...) 1017 __printflike(4, 5); 1018 void ieee80211_discard_mac(const struct ieee80211vap *, 1019 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type, 1020 const char *fmt, ...) 1021 __printflike(4, 5); 1022 #else 1023 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) 1024 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) 1025 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) 1026 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) 1027 #define ieee80211_msg_dumppkts(_vap) 0 1028 #define ieee80211_msg(_vap, _m) 0 1029 1030 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) 1031 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) 1032 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) 1033 #endif 1034 1035 #endif /* _NET80211_IEEE80211_VAR_H_ */ 1036