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 <net80211/ieee80211_netbsd.h> 37 #elif defined(__FreeBSD__) 38 #include <net80211/ieee80211_freebsd.h> 39 #elif defined(__linux__) 40 #include <net80211/ieee80211_linux.h> 41 #else 42 #error "No support for your operating system!" 43 #endif 44 45 #include <net80211/_ieee80211.h> 46 #include <net80211/ieee80211.h> 47 #include <net80211/ieee80211_ageq.h> 48 #include <net80211/ieee80211_crypto.h> 49 #include <net80211/ieee80211_dfs.h> 50 #include <net80211/ieee80211_ioctl.h> /* for ieee80211_stats */ 51 #include <net80211/ieee80211_phy.h> 52 #include <net80211/ieee80211_power.h> 53 #include <net80211/ieee80211_node.h> 54 #include <net80211/ieee80211_proto.h> 55 #include <net80211/ieee80211_radiotap.h> 56 #include <net80211/ieee80211_scan.h> 57 58 #define IEEE80211_TXPOWER_MAX 100 /* .5 dBm (XXX units?) */ 59 #define IEEE80211_TXPOWER_MIN 0 /* kill radio */ 60 61 #define IEEE80211_DTIM_DEFAULT 1 /* default DTIM period */ 62 #define IEEE80211_BINTVAL_DEFAULT 100 /* default beacon interval (TU's) */ 63 64 #define IEEE80211_BMISS_MAX 2 /* maximum consecutive bmiss allowed */ 65 #define IEEE80211_HWBMISS_DEFAULT 7 /* h/w bmiss threshold (beacons) */ 66 67 #define IEEE80211_BGSCAN_INTVAL_MIN 15 /* min bg scan intvl (secs) */ 68 #define IEEE80211_BGSCAN_INTVAL_DEFAULT (5*60) /* default bg scan intvl */ 69 70 #define IEEE80211_BGSCAN_IDLE_MIN 100 /* min idle time (ms) */ 71 #define IEEE80211_BGSCAN_IDLE_DEFAULT 250 /* default idle time (ms) */ 72 73 #define IEEE80211_SCAN_VALID_MIN 10 /* min scan valid time (secs) */ 74 #define IEEE80211_SCAN_VALID_DEFAULT 60 /* default scan valid time */ 75 76 #define IEEE80211_PS_SLEEP 0x1 /* STA is in power saving mode */ 77 #define IEEE80211_PS_MAX_QUEUE 50 /* maximum saved packets */ 78 79 #define IEEE80211_FIXED_RATE_NONE 0xff 80 #define IEEE80211_TXMAX_DEFAULT 6 /* default ucast max retries */ 81 82 #define IEEE80211_RTS_DEFAULT IEEE80211_RTS_MAX 83 #define IEEE80211_FRAG_DEFAULT IEEE80211_FRAG_MAX 84 85 #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024) 86 #define IEEE80211_TU_TO_MS(x) (((x) * 1024) / 1000) 87 /* XXX TODO: cap this at 1, in case hz is not 1000 */ 88 #define IEEE80211_TU_TO_TICKS(x)(((uint64_t)(x) * 1024 * hz) / (1000 * 1000)) 89 90 /* 91 * Technically, vhtflags may be 0 /and/ 11ac is enabled. 92 * At some point ic should just grow a flag somewhere that 93 * says that VHT is supported - and then this macro can be 94 * changed. 95 */ 96 #define IEEE80211_CONF_VHT(ic) ((ic)->ic_vhtcaps != 0) 97 98 /* 99 * 802.11 control state is split into a common portion that maps 100 * 1-1 to a physical device and one or more "Virtual AP's" (VAP) 101 * that are bound to an ieee80211com instance and share a single 102 * underlying device. Each VAP has a corresponding OS device 103 * entity through which traffic flows and that applications use 104 * for issuing ioctls, etc. 105 */ 106 107 /* 108 * Data common to one or more virtual AP's. State shared by 109 * the underlying device and the net80211 layer is exposed here; 110 * e.g. device-specific callbacks. 111 */ 112 struct ieee80211vap; 113 typedef void (*ieee80211vap_attach)(struct ieee80211vap *); 114 115 struct ieee80211_appie { 116 uint16_t ie_len; /* size of ie_data */ 117 uint8_t ie_data[]; /* user-specified IE's */ 118 }; 119 120 struct ieee80211_tdma_param; 121 struct ieee80211_rate_table; 122 struct ieee80211_tx_ampdu; 123 struct ieee80211_rx_ampdu; 124 struct ieee80211_superg; 125 struct ieee80211_frame; 126 127 struct ieee80211com { 128 void *ic_softc; /* driver softc */ 129 const char *ic_name; /* usually device name */ 130 ieee80211_com_lock_t ic_comlock; /* state update lock */ 131 ieee80211_tx_lock_t ic_txlock; /* ic/vap TX lock */ 132 ieee80211_ff_lock_t ic_fflock; /* stageq/ni_tx_superg lock */ 133 LIST_ENTRY(ieee80211com) ic_next; /* on global list */ 134 TAILQ_HEAD(, ieee80211vap) ic_vaps; /* list of vap instances */ 135 int ic_headroom; /* driver tx headroom needs */ 136 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */ 137 enum ieee80211_opmode ic_opmode; /* operation mode */ 138 struct callout ic_inact; /* inactivity processing */ 139 struct taskqueue *ic_tq; /* deferred state thread */ 140 struct task ic_parent_task; /* deferred parent processing */ 141 struct task ic_promisc_task;/* deferred promisc update */ 142 struct task ic_mcast_task; /* deferred mcast update */ 143 struct task ic_chan_task; /* deferred channel change */ 144 struct task ic_bmiss_task; /* deferred beacon miss hndlr */ 145 struct task ic_chw_task; /* deferred HT CHW update */ 146 struct task ic_wme_task; /* deferred WME update */ 147 struct task ic_restart_task; /* deferred device restart */ 148 149 counter_u64_t ic_ierrors; /* input errors */ 150 counter_u64_t ic_oerrors; /* output errors */ 151 152 uint32_t ic_flags; /* state flags */ 153 uint32_t ic_flags_ext; /* extended state flags */ 154 uint32_t ic_flags_ht; /* HT state flags */ 155 uint32_t ic_flags_ven; /* vendor state flags */ 156 uint32_t ic_caps; /* capabilities */ 157 uint32_t ic_htcaps; /* HT capabilities */ 158 uint32_t ic_htextcaps; /* HT extended capabilities */ 159 uint32_t ic_cryptocaps; /* crypto capabilities */ 160 /* set of mode capabilities */ 161 uint8_t ic_modecaps[IEEE80211_MODE_BYTES]; 162 uint8_t ic_promisc; /* vap's needing promisc mode */ 163 uint8_t ic_allmulti; /* vap's needing all multicast*/ 164 uint8_t ic_nrunning; /* vap's marked running */ 165 uint8_t ic_curmode; /* current mode */ 166 uint8_t ic_macaddr[IEEE80211_ADDR_LEN]; 167 uint16_t ic_bintval; /* beacon interval */ 168 uint16_t ic_lintval; /* listen interval */ 169 uint16_t ic_holdover; /* PM hold over duration */ 170 uint16_t ic_txpowlimit; /* global tx power limit */ 171 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX]; 172 173 /* 174 * Channel state: 175 * 176 * ic_channels is the set of available channels for the device; 177 * it is setup by the driver 178 * ic_nchans is the number of valid entries in ic_channels 179 * ic_chan_avail is a bit vector of these channels used to check 180 * whether a channel is available w/o searching the channel table. 181 * ic_chan_active is a (potentially) constrained subset of 182 * ic_chan_avail that reflects any mode setting or user-specified 183 * limit on the set of channels to use/scan 184 * ic_curchan is the current channel the device is set to; it may 185 * be different from ic_bsschan when we are off-channel scanning 186 * or otherwise doing background work 187 * ic_bsschan is the channel selected for operation; it may 188 * be undefined (IEEE80211_CHAN_ANYC) 189 * ic_prevchan is a cached ``previous channel'' used to optimize 190 * lookups when switching back+forth between two channels 191 * (e.g. for dynamic turbo) 192 */ 193 int ic_nchans; /* # entries in ic_channels */ 194 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX]; 195 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES]; 196 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES]; 197 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES]; 198 struct ieee80211_channel *ic_curchan; /* current channel */ 199 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */ 200 struct ieee80211_channel *ic_bsschan; /* bss channel */ 201 struct ieee80211_channel *ic_prevchan; /* previous channel */ 202 struct ieee80211_regdomain ic_regdomain;/* regulatory data */ 203 struct ieee80211_appie *ic_countryie; /* calculated country ie */ 204 struct ieee80211_channel *ic_countryie_chan; 205 206 /* 802.11h/DFS state */ 207 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */ 208 short ic_csa_mode; /* mode for doing CSA */ 209 short ic_csa_count; /* count for doing CSA */ 210 struct ieee80211_dfs_state ic_dfs; /* DFS state */ 211 212 struct ieee80211_scan_state *ic_scan; /* scan state */ 213 struct ieee80211_scan_methods *ic_scan_methods; /* scan methods */ 214 int ic_lastdata; /* time of last data frame */ 215 int ic_lastscan; /* time last scan completed */ 216 217 /* NB: this is the union of all vap stations/neighbors */ 218 int ic_max_keyix; /* max h/w key index */ 219 struct ieee80211_node_table ic_sta; /* stations/neighbors */ 220 struct ieee80211_ageq ic_stageq; /* frame staging queue */ 221 uint32_t ic_hash_key; /* random key for mac hash */ 222 223 /* XXX multi-bss: split out common/vap parts */ 224 struct ieee80211_wme_state ic_wme; /* WME/WMM state */ 225 226 /* XXX multi-bss: can per-vap be done/make sense? */ 227 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */ 228 uint16_t ic_nonerpsta; /* # non-ERP stations */ 229 uint16_t ic_longslotsta; /* # long slot time stations */ 230 uint16_t ic_sta_assoc; /* stations associated */ 231 uint16_t ic_ht_sta_assoc;/* HT stations associated */ 232 uint16_t ic_ht40_sta_assoc;/* HT40 stations associated */ 233 uint8_t ic_curhtprotmode;/* HTINFO bss state */ 234 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */ 235 int ic_lastnonerp; /* last time non-ERP sta noted*/ 236 int ic_lastnonht; /* last time non-HT sta noted */ 237 uint8_t ic_rxstream; /* # RX streams */ 238 uint8_t ic_txstream; /* # TX streams */ 239 240 /* VHT information */ 241 uint32_t ic_vhtcaps; /* VHT capabilities */ 242 uint32_t ic_vhtextcaps; /* VHT extended capabilities (TODO) */ 243 struct ieee80211_vht_mcs_info ic_vht_mcsinfo; /* Support TX/RX VHT MCS */ 244 uint32_t ic_flags_vht; /* VHT state flags */ 245 uint32_t ic_vht_spare[3]; 246 247 /* optional state for Atheros SuperG protocol extensions */ 248 struct ieee80211_superg *ic_superg; 249 250 /* radiotap handling */ 251 struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */ 252 void *ic_txchan; /* channel state in ic_th */ 253 struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */ 254 void *ic_rxchan; /* channel state in ic_rh */ 255 int ic_montaps; /* active monitor mode taps */ 256 257 /* virtual ap create/delete */ 258 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *, 259 const char [IFNAMSIZ], int, 260 enum ieee80211_opmode, int, 261 const uint8_t [IEEE80211_ADDR_LEN], 262 const uint8_t [IEEE80211_ADDR_LEN]); 263 void (*ic_vap_delete)(struct ieee80211vap *); 264 /* device specific ioctls */ 265 int (*ic_ioctl)(struct ieee80211com *, 266 u_long, void *); 267 /* start/stop device */ 268 void (*ic_parent)(struct ieee80211com *); 269 /* operating mode attachment */ 270 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX]; 271 /* return hardware/radio capabilities */ 272 void (*ic_getradiocaps)(struct ieee80211com *, 273 int, int *, struct ieee80211_channel []); 274 /* check and/or prepare regdomain state change */ 275 int (*ic_setregdomain)(struct ieee80211com *, 276 struct ieee80211_regdomain *, 277 int, struct ieee80211_channel []); 278 279 int (*ic_set_quiet)(struct ieee80211_node *, 280 u_int8_t *quiet_elm); 281 282 /* regular transmit */ 283 int (*ic_transmit)(struct ieee80211com *, 284 struct mbuf *); 285 /* send/recv 802.11 management frame */ 286 int (*ic_send_mgmt)(struct ieee80211_node *, 287 int, int); 288 /* send raw 802.11 frame */ 289 int (*ic_raw_xmit)(struct ieee80211_node *, 290 struct mbuf *, 291 const struct ieee80211_bpf_params *); 292 /* update device state for 802.11 slot time change */ 293 void (*ic_updateslot)(struct ieee80211com *); 294 /* handle multicast state changes */ 295 void (*ic_update_mcast)(struct ieee80211com *); 296 /* handle promiscuous mode changes */ 297 void (*ic_update_promisc)(struct ieee80211com *); 298 /* new station association callback/notification */ 299 void (*ic_newassoc)(struct ieee80211_node *, int); 300 /* TDMA update notification */ 301 void (*ic_tdma_update)(struct ieee80211_node *, 302 const struct ieee80211_tdma_param *, int); 303 /* node state management */ 304 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *, 305 const uint8_t [IEEE80211_ADDR_LEN]); 306 void (*ic_node_free)(struct ieee80211_node *); 307 void (*ic_node_cleanup)(struct ieee80211_node *); 308 void (*ic_node_age)(struct ieee80211_node *); 309 void (*ic_node_drain)(struct ieee80211_node *); 310 int8_t (*ic_node_getrssi)(const struct ieee80211_node*); 311 void (*ic_node_getsignal)(const struct ieee80211_node*, 312 int8_t *, int8_t *); 313 void (*ic_node_getmimoinfo)( 314 const struct ieee80211_node*, 315 struct ieee80211_mimo_info *); 316 /* scanning support */ 317 void (*ic_scan_start)(struct ieee80211com *); 318 void (*ic_scan_end)(struct ieee80211com *); 319 void (*ic_set_channel)(struct ieee80211com *); 320 void (*ic_scan_curchan)(struct ieee80211_scan_state *, 321 unsigned long); 322 void (*ic_scan_mindwell)(struct ieee80211_scan_state *); 323 324 /* 325 * 802.11n ADDBA support. A simple/generic implementation 326 * of A-MPDU tx aggregation is provided; the driver may 327 * override these methods to provide their own support. 328 * A-MPDU rx re-ordering happens automatically if the 329 * driver passes out-of-order frames to ieee80211_input 330 * from an assocated HT station. 331 */ 332 int (*ic_recv_action)(struct ieee80211_node *, 333 const struct ieee80211_frame *, 334 const uint8_t *frm, const uint8_t *efrm); 335 int (*ic_send_action)(struct ieee80211_node *, 336 int category, int action, void *); 337 /* check if A-MPDU should be enabled this station+ac */ 338 int (*ic_ampdu_enable)(struct ieee80211_node *, 339 struct ieee80211_tx_ampdu *); 340 /* start/stop doing A-MPDU tx aggregation for a station */ 341 int (*ic_addba_request)(struct ieee80211_node *, 342 struct ieee80211_tx_ampdu *, 343 int dialogtoken, int baparamset, 344 int batimeout); 345 int (*ic_addba_response)(struct ieee80211_node *, 346 struct ieee80211_tx_ampdu *, 347 int status, int baparamset, int batimeout); 348 void (*ic_addba_stop)(struct ieee80211_node *, 349 struct ieee80211_tx_ampdu *); 350 void (*ic_addba_response_timeout)(struct ieee80211_node *, 351 struct ieee80211_tx_ampdu *); 352 /* BAR response received */ 353 void (*ic_bar_response)(struct ieee80211_node *, 354 struct ieee80211_tx_ampdu *, int status); 355 /* start/stop doing A-MPDU rx processing for a station */ 356 int (*ic_ampdu_rx_start)(struct ieee80211_node *, 357 struct ieee80211_rx_ampdu *, int baparamset, 358 int batimeout, int baseqctl); 359 void (*ic_ampdu_rx_stop)(struct ieee80211_node *, 360 struct ieee80211_rx_ampdu *); 361 362 /* The channel width has changed (20<->2040) */ 363 void (*ic_update_chw)(struct ieee80211com *); 364 365 uint64_t ic_spare[7]; 366 }; 367 368 struct ieee80211_aclator; 369 struct ieee80211_tdma_state; 370 struct ieee80211_mesh_state; 371 struct ieee80211_hwmp_state; 372 373 struct ieee80211vap { 374 struct ifmedia iv_media; /* interface media config */ 375 struct ifnet *iv_ifp; /* associated device */ 376 struct bpf_if *iv_rawbpf; /* packet filter structure */ 377 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */ 378 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */ 379 380 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */ 381 struct ieee80211com *iv_ic; /* back ptr to common state */ 382 /* MAC address: ifp or ic */ 383 uint8_t iv_myaddr[IEEE80211_ADDR_LEN]; 384 uint32_t iv_debug; /* debug msg flags */ 385 struct ieee80211_stats iv_stats; /* statistics */ 386 387 uint32_t iv_flags; /* state flags */ 388 uint32_t iv_flags_ext; /* extended state flags */ 389 uint32_t iv_flags_ht; /* HT state flags */ 390 uint32_t iv_flags_ven; /* vendor state flags */ 391 uint32_t iv_ifflags; /* ifnet flags */ 392 uint32_t iv_caps; /* capabilities */ 393 uint32_t iv_htcaps; /* HT capabilities */ 394 uint32_t iv_htextcaps; /* HT extended capabilities */ 395 enum ieee80211_opmode iv_opmode; /* operation mode */ 396 enum ieee80211_state iv_state; /* state machine state */ 397 enum ieee80211_state iv_nstate; /* pending state */ 398 int iv_nstate_arg; /* pending state arg */ 399 struct task iv_nstate_task; /* deferred state processing */ 400 struct task iv_swbmiss_task;/* deferred iv_bmiss call */ 401 struct callout iv_mgtsend; /* mgmt frame response timer */ 402 /* inactivity timer settings */ 403 int iv_inact_init; /* setting for new station */ 404 int iv_inact_auth; /* auth but not assoc setting */ 405 int iv_inact_run; /* authorized setting */ 406 int iv_inact_probe; /* inactive probe time */ 407 408 /* VHT flags */ 409 uint32_t iv_flags_vht; /* VHT state flags */ 410 uint32_t iv_vhtcaps; /* VHT capabilities */ 411 uint32_t iv_vhtextcaps; /* VHT extended capabilities (TODO) */ 412 struct ieee80211_vht_mcs_info iv_vht_mcsinfo; 413 uint32_t iv_vht_spare[4]; 414 415 int iv_des_nssid; /* # desired ssids */ 416 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */ 417 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN]; 418 struct ieee80211_channel *iv_des_chan; /* desired channel */ 419 uint16_t iv_des_mode; /* desired mode */ 420 int iv_nicknamelen; /* XXX junk */ 421 uint8_t iv_nickname[IEEE80211_NWID_LEN]; 422 u_int iv_bgscanidle; /* bg scan idle threshold */ 423 u_int iv_bgscanintvl; /* bg scan min interval */ 424 u_int iv_scanvalid; /* scan cache valid threshold */ 425 u_int iv_scanreq_duration; 426 u_int iv_scanreq_mindwell; 427 u_int iv_scanreq_maxdwell; 428 uint16_t iv_scanreq_flags;/* held scan request params */ 429 uint8_t iv_scanreq_nssid; 430 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID]; 431 /* sta-mode roaming state */ 432 enum ieee80211_roamingmode iv_roaming; /* roaming mode */ 433 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX]; 434 435 uint8_t iv_bmissthreshold; 436 uint8_t iv_bmiss_count; /* current beacon miss count */ 437 int iv_bmiss_max; /* max bmiss before scan */ 438 uint16_t iv_swbmiss_count;/* beacons in last period */ 439 uint16_t iv_swbmiss_period;/* s/w bmiss period */ 440 struct callout iv_swbmiss; /* s/w beacon miss timer */ 441 442 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */ 443 int iv_ampdu_density;/* A-MPDU density */ 444 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */ 445 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */ 446 u_int iv_ampdu_mintraffic[WME_NUM_AC]; 447 448 struct ieee80211_beacon_offsets iv_bcn_off; 449 uint32_t *iv_aid_bitmap; /* association id map */ 450 uint16_t iv_max_aid; 451 uint16_t iv_sta_assoc; /* stations associated */ 452 uint16_t iv_ps_sta; /* stations in power save */ 453 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */ 454 uint16_t iv_txseq; /* mcast xmit seq# space */ 455 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */ 456 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/ 457 uint8_t iv_dtim_period; /* DTIM period */ 458 uint8_t iv_dtim_count; /* DTIM count from last bcn */ 459 /* set/unset aid pwrsav state */ 460 uint8_t iv_quiet; /* Quiet Element */ 461 uint8_t iv_quiet_count; /* constant count for Quiet Element */ 462 uint8_t iv_quiet_count_value; /* variable count for Quiet Element */ 463 uint8_t iv_quiet_period; /* period for Quiet Element */ 464 uint16_t iv_quiet_duration; /* duration for Quiet Element */ 465 uint16_t iv_quiet_offset; /* offset for Quiet Element */ 466 int iv_csa_count; /* count for doing CSA */ 467 468 struct ieee80211_node *iv_bss; /* information for this node */ 469 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX]; 470 uint16_t iv_rtsthreshold; 471 uint16_t iv_fragthreshold; 472 int iv_inact_timer; /* inactivity timer wait */ 473 /* application-specified IE's to attach to mgt frames */ 474 struct ieee80211_appie *iv_appie_beacon; 475 struct ieee80211_appie *iv_appie_probereq; 476 struct ieee80211_appie *iv_appie_proberesp; 477 struct ieee80211_appie *iv_appie_assocreq; 478 struct ieee80211_appie *iv_appie_assocresp; 479 struct ieee80211_appie *iv_appie_wpa; 480 uint8_t *iv_wpa_ie; 481 uint8_t *iv_rsn_ie; 482 483 /* Key management */ 484 uint16_t iv_max_keyix; /* max h/w key index */ 485 ieee80211_keyix iv_def_txkey; /* default/group tx key index */ 486 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID]; 487 int (*iv_key_alloc)(struct ieee80211vap *, 488 struct ieee80211_key *, 489 ieee80211_keyix *, ieee80211_keyix *); 490 int (*iv_key_delete)(struct ieee80211vap *, 491 const struct ieee80211_key *); 492 int (*iv_key_set)(struct ieee80211vap *, 493 const struct ieee80211_key *); 494 void (*iv_key_update_begin)(struct ieee80211vap *); 495 void (*iv_key_update_end)(struct ieee80211vap *); 496 void (*iv_update_deftxkey)(struct ieee80211vap *, 497 ieee80211_keyix deftxkey); 498 499 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */ 500 void *iv_ec; /* private auth state */ 501 502 const struct ieee80211_aclator *iv_acl; /* acl glue */ 503 void *iv_as; /* private aclator state */ 504 505 const struct ieee80211_ratectl *iv_rate; 506 void *iv_rs; /* private ratectl state */ 507 508 struct ieee80211_tdma_state *iv_tdma; /* tdma state */ 509 struct ieee80211_mesh_state *iv_mesh; /* MBSS state */ 510 struct ieee80211_hwmp_state *iv_hwmp; /* HWMP state */ 511 512 /* operate-mode detach hook */ 513 void (*iv_opdetach)(struct ieee80211vap *); 514 /* receive processing */ 515 int (*iv_input)(struct ieee80211_node *, 516 struct mbuf *, 517 const struct ieee80211_rx_stats *, 518 int, int); 519 void (*iv_recv_mgmt)(struct ieee80211_node *, 520 struct mbuf *, int, 521 const struct ieee80211_rx_stats *, 522 int, int); 523 void (*iv_recv_ctl)(struct ieee80211_node *, 524 struct mbuf *, int); 525 void (*iv_deliver_data)(struct ieee80211vap *, 526 struct ieee80211_node *, struct mbuf *); 527 #if 0 528 /* send processing */ 529 int (*iv_send_mgmt)(struct ieee80211_node *, 530 int, int); 531 #endif 532 /* beacon miss processing */ 533 void (*iv_bmiss)(struct ieee80211vap *); 534 /* reset device state after 802.11 parameter/state change */ 535 int (*iv_reset)(struct ieee80211vap *, u_long); 536 /* [schedule] beacon frame update */ 537 void (*iv_update_beacon)(struct ieee80211vap *, int); 538 /* power save handling */ 539 void (*iv_update_ps)(struct ieee80211vap *, int); 540 int (*iv_set_tim)(struct ieee80211_node *, int); 541 void (*iv_node_ps)(struct ieee80211_node *, int); 542 void (*iv_sta_ps)(struct ieee80211vap *, int); 543 void (*iv_recv_pspoll)(struct ieee80211_node *, 544 struct mbuf *); 545 546 /* state machine processing */ 547 int (*iv_newstate)(struct ieee80211vap *, 548 enum ieee80211_state, int); 549 /* 802.3 output method for raw frame xmit */ 550 int (*iv_output)(struct ifnet *, struct mbuf *, 551 const struct sockaddr *, struct route *); 552 553 uint64_t iv_spare[6]; 554 }; 555 MALLOC_DECLARE(M_80211_VAP); 556 557 #define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0) 558 #define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN) 559 560 /* ic_flags/iv_flags */ 561 #define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/ 562 #define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */ 563 #define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */ 564 #define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */ 565 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */ 566 #define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */ 567 #define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */ 568 #define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */ 569 #define IEEE80211_F_ASCAN 0x00000100 /* STATUS: active scan */ 570 #define IEEE80211_F_SIBSS 0x00000200 /* STATUS: start IBSS */ 571 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */ 572 #define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/ 573 #define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */ 574 #define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */ 575 #define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */ 576 #define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/ 577 #define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */ 578 #define IEEE80211_F_TXPOW_FIXED 0x00010000 /* TX Power: fixed rate */ 579 #define IEEE80211_F_IBSSON 0x00020000 /* CONF: IBSS creation enable */ 580 #define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */ 581 #define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */ 582 #define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */ 583 #define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/ 584 #define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/ 585 #define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */ 586 #define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */ 587 #define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */ 588 #define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */ 589 #define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */ 590 #define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */ 591 #define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */ 592 #define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */ 593 #define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */ 594 #define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */ 595 596 #define IEEE80211_F_BITS \ 597 "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN\11ASCAN\12SIBSS" \ 598 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY\21TXPOW_FIXED" \ 599 "\22IBSSON\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \ 600 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \ 601 "\37DOTH\40DWDS" 602 603 /* Atheros protocol-specific flags */ 604 #define IEEE80211_F_ATHEROS \ 605 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP) 606 /* Check if an Atheros capability was negotiated for use */ 607 #define IEEE80211_ATH_CAP(vap, ni, bit) \ 608 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit)) 609 610 /* ic_flags_ext/iv_flags_ext */ 611 #define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */ 612 #define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */ 613 /* 0x00000006 reserved */ 614 #define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */ 615 #define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */ 616 #define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */ 617 #define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */ 618 #define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */ 619 #define IEEE80211_FEXT_4ADDR 0x00000100 /* CONF: apply 4-addr encap */ 620 #define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/ 621 #define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */ 622 #define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */ 623 #define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */ 624 #define IEEE80211_FEXT_STATEWAIT 0x00002000 /* STATUS: awaiting state chg */ 625 #define IEEE80211_FEXT_REINIT 0x00004000 /* STATUS: INIT state first */ 626 #define IEEE80211_FEXT_BPF 0x00008000 /* STATUS: BPF tap present */ 627 /* NB: immutable: should be set only when creating a vap */ 628 #define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */ 629 #define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/ 630 #define IEEE80211_FEXT_UNIQMAC 0x00040000 /* CONF: user or computed mac */ 631 #define IEEE80211_FEXT_SCAN_OFFLOAD 0x00080000 /* CONF: scan is fully offloaded */ 632 633 #define IEEE80211_FEXT_BITS \ 634 "\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \ 635 "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \ 636 "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC\24SCAN_OFFLOAD" 637 638 /* ic_flags_ht/iv_flags_ht */ 639 #define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */ 640 #define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */ 641 #define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */ 642 #define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */ 643 #define IEEE80211_FHT_AMPDU_RX 0x00200000 /* CONF: A-MPDU rx supported */ 644 #define IEEE80211_FHT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */ 645 #define IEEE80211_FHT_AMSDU_RX 0x00800000 /* CONF: A-MSDU rx supported */ 646 #define IEEE80211_FHT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */ 647 #define IEEE80211_FHT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */ 648 #define IEEE80211_FHT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */ 649 #define IEEE80211_FHT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */ 650 #define IEEE80211_FHT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */ 651 #define IEEE80211_FHT_RIFS 0x20000000 /* CONF: RIFS enabled */ 652 #define IEEE80211_FHT_STBC_TX 0x40000000 /* CONF: STBC tx enabled */ 653 #define IEEE80211_FHT_STBC_RX 0x80000000 /* CONF: STBC rx enabled */ 654 655 #define IEEE80211_FHT_BITS \ 656 "\20\1NONHT_PR" \ 657 "\23GF\24HT\25AMPDU_TX\26AMPDU_TX" \ 658 "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \ 659 "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX" 660 661 #define IEEE80211_FVEN_BITS "\20" 662 663 #define IEEE80211_FVHT_VHT 0x000000001 /* CONF: VHT supported */ 664 #define IEEE80211_FVHT_USEVHT40 0x000000002 /* CONF: Use VHT40 */ 665 #define IEEE80211_FVHT_USEVHT80 0x000000004 /* CONF: Use VHT80 */ 666 #define IEEE80211_FVHT_USEVHT80P80 0x000000008 /* CONF: Use VHT 80+80 */ 667 #define IEEE80211_FVHT_USEVHT160 0x000000010 /* CONF: Use VHT160 */ 668 #define IEEE80211_VFHT_BITS \ 669 "\20\1VHT\2VHT40\3VHT80\4VHT80P80\5VHT160" 670 671 int ic_printf(struct ieee80211com *, const char *, ...) __printflike(2, 3); 672 void ieee80211_ifattach(struct ieee80211com *); 673 void ieee80211_ifdetach(struct ieee80211com *); 674 int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *, 675 const char name[IFNAMSIZ], int unit, 676 enum ieee80211_opmode opmode, int flags, 677 const uint8_t bssid[IEEE80211_ADDR_LEN]); 678 int ieee80211_vap_attach(struct ieee80211vap *, 679 ifm_change_cb_t, ifm_stat_cb_t, 680 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 681 void ieee80211_vap_detach(struct ieee80211vap *); 682 const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic, 683 const struct ieee80211_channel *); 684 void ieee80211_announce(struct ieee80211com *); 685 void ieee80211_announce_channels(struct ieee80211com *); 686 void ieee80211_drain(struct ieee80211com *); 687 void ieee80211_chan_init(struct ieee80211com *); 688 struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]); 689 struct ieee80211com *ieee80211_find_com(const char *name); 690 typedef void ieee80211_com_iter_func(void *, struct ieee80211com *); 691 void ieee80211_iterate_coms(ieee80211_com_iter_func *, void *); 692 int ieee80211_media_change(struct ifnet *); 693 void ieee80211_media_status(struct ifnet *, struct ifmediareq *); 694 int ieee80211_ioctl(struct ifnet *, u_long, caddr_t); 695 int ieee80211_rate2media(struct ieee80211com *, int, 696 enum ieee80211_phymode); 697 int ieee80211_media2rate(int); 698 int ieee80211_mhz2ieee(u_int, u_int); 699 int ieee80211_chan2ieee(struct ieee80211com *, 700 const struct ieee80211_channel *); 701 u_int ieee80211_ieee2mhz(u_int, u_int); 702 int ieee80211_add_channel(struct ieee80211_channel[], int, int *, 703 uint8_t, uint16_t, int8_t, uint32_t, const uint8_t[]); 704 int ieee80211_add_channel_ht40(struct ieee80211_channel[], int, int *, 705 uint8_t, int8_t, uint32_t); 706 uint32_t ieee80211_get_channel_center_freq(const struct ieee80211_channel *); 707 uint32_t ieee80211_get_channel_center_freq1(const struct ieee80211_channel *); 708 uint32_t ieee80211_get_channel_center_freq2(const struct ieee80211_channel *); 709 int ieee80211_add_channel_list_2ghz(struct ieee80211_channel[], int, int *, 710 const uint8_t[], int, const uint8_t[], int); 711 int ieee80211_add_channel_list_5ghz(struct ieee80211_channel[], int, int *, 712 const uint8_t[], int, const uint8_t[], int); 713 struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *, 714 int freq, int flags); 715 struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *, 716 int ieee, int flags); 717 struct ieee80211_channel *ieee80211_lookup_channel_rxstatus(struct ieee80211vap *, 718 const struct ieee80211_rx_stats *); 719 int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode); 720 enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *); 721 uint32_t ieee80211_mac_hash(const struct ieee80211com *, 722 const uint8_t addr[IEEE80211_ADDR_LEN]); 723 char ieee80211_channel_type_char(const struct ieee80211_channel *c); 724 725 #define ieee80211_get_current_channel(_ic) ((_ic)->ic_curchan) 726 #define ieee80211_get_home_channel(_ic) ((_ic)->ic_bsschan) 727 #define ieee80211_get_vap_desired_channel(_iv) ((_iv)->iv_des_chan) 728 729 void ieee80211_radiotap_attach(struct ieee80211com *, 730 struct ieee80211_radiotap_header *th, int tlen, 731 uint32_t tx_radiotap, 732 struct ieee80211_radiotap_header *rh, int rlen, 733 uint32_t rx_radiotap); 734 void ieee80211_radiotap_attachv(struct ieee80211com *, 735 struct ieee80211_radiotap_header *th, 736 int tlen, int n_tx_v, uint32_t tx_radiotap, 737 struct ieee80211_radiotap_header *rh, 738 int rlen, int n_rx_v, uint32_t rx_radiotap); 739 void ieee80211_radiotap_detach(struct ieee80211com *); 740 void ieee80211_radiotap_vattach(struct ieee80211vap *); 741 void ieee80211_radiotap_vdetach(struct ieee80211vap *); 742 void ieee80211_radiotap_chan_change(struct ieee80211com *); 743 void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *); 744 void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *); 745 void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *); 746 747 static __inline int 748 ieee80211_radiotap_active(const struct ieee80211com *ic) 749 { 750 return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0; 751 } 752 753 static __inline int 754 ieee80211_radiotap_active_vap(const struct ieee80211vap *vap) 755 { 756 return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) || 757 vap->iv_ic->ic_montaps != 0; 758 } 759 760 /* 761 * Enqueue a task on the state thread. 762 */ 763 static __inline void 764 ieee80211_runtask(struct ieee80211com *ic, struct task *task) 765 { 766 taskqueue_enqueue(ic->ic_tq, task); 767 } 768 769 /* 770 * Wait for a queued task to complete. 771 */ 772 static __inline void 773 ieee80211_draintask(struct ieee80211com *ic, struct task *task) 774 { 775 taskqueue_drain(ic->ic_tq, task); 776 } 777 778 /* 779 * Key update synchronization methods. XXX should not be visible. 780 */ 781 static __inline void 782 ieee80211_key_update_begin(struct ieee80211vap *vap) 783 { 784 vap->iv_key_update_begin(vap); 785 } 786 static __inline void 787 ieee80211_key_update_end(struct ieee80211vap *vap) 788 { 789 vap->iv_key_update_end(vap); 790 } 791 792 /* 793 * XXX these need to be here for IEEE80211_F_DATAPAD 794 */ 795 796 /* 797 * Return the space occupied by the 802.11 header and any 798 * padding required by the driver. This works for a 799 * management or data frame. 800 */ 801 static __inline int 802 ieee80211_hdrspace(struct ieee80211com *ic, const void *data) 803 { 804 int size = ieee80211_hdrsize(data); 805 if (ic->ic_flags & IEEE80211_F_DATAPAD) 806 size = roundup(size, sizeof(uint32_t)); 807 return size; 808 } 809 810 /* 811 * Like ieee80211_hdrspace, but handles any type of frame. 812 */ 813 static __inline int 814 ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data) 815 { 816 int size = ieee80211_anyhdrsize(data); 817 if (ic->ic_flags & IEEE80211_F_DATAPAD) 818 size = roundup(size, sizeof(uint32_t)); 819 return size; 820 } 821 822 /* 823 * Notify a vap that beacon state has been updated. 824 */ 825 static __inline void 826 ieee80211_beacon_notify(struct ieee80211vap *vap, int what) 827 { 828 if (vap->iv_state == IEEE80211_S_RUN) 829 vap->iv_update_beacon(vap, what); 830 } 831 832 /* 833 * Calculate HT channel promotion flags for a channel. 834 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_* 835 */ 836 static __inline int 837 ieee80211_htchanflags(const struct ieee80211_channel *c) 838 { 839 return IEEE80211_IS_CHAN_HT40(c) ? 840 IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 : 841 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0; 842 } 843 844 /* 845 * Calculate VHT channel promotion flags for a channel. 846 * XXX belongs in ieee80211_vht.h but needs IEEE80211_FVHT_* 847 */ 848 static __inline int 849 ieee80211_vhtchanflags(const struct ieee80211_channel *c) 850 { 851 852 if (IEEE80211_IS_CHAN_VHT160(c)) 853 return IEEE80211_FVHT_USEVHT160; 854 if (IEEE80211_IS_CHAN_VHT80_80(c)) 855 return IEEE80211_FVHT_USEVHT80P80; 856 if (IEEE80211_IS_CHAN_VHT80(c)) 857 return IEEE80211_FVHT_USEVHT80; 858 if (IEEE80211_IS_CHAN_VHT40(c)) 859 return IEEE80211_FVHT_USEVHT40; 860 if (IEEE80211_IS_CHAN_VHT(c)) 861 return IEEE80211_FVHT_VHT; 862 return (0); 863 } 864 865 /* 866 * Fetch the current TX power (cap) for the given node. 867 * 868 * This includes the node and ic/vap TX power limit as needed, 869 * but it doesn't take into account any per-rate limit. 870 */ 871 static __inline uint16_t 872 ieee80211_get_node_txpower(struct ieee80211_node *ni) 873 { 874 struct ieee80211com *ic = ni->ni_ic; 875 uint16_t txpower; 876 877 txpower = ni->ni_txpower; 878 txpower = MIN(txpower, ic->ic_txpowlimit); 879 if (ic->ic_curchan != NULL) { 880 txpower = MIN(txpower, 2 * ic->ic_curchan->ic_maxregpower); 881 txpower = MIN(txpower, ic->ic_curchan->ic_maxpower); 882 } 883 884 return (txpower); 885 } 886 887 /* 888 * Debugging facilities compiled in when IEEE80211_DEBUG is defined. 889 * 890 * The intent is that any problem in the net80211 layer can be 891 * diagnosed by inspecting the statistics (dumped by the wlanstats 892 * program) and/or the msgs generated by net80211. Messages are 893 * broken into functional classes and can be controlled with the 894 * wlandebug program. Certain of these msg groups are for facilities 895 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM). 896 */ 897 #define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */ 898 #define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */ 899 #define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */ 900 #define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */ 901 #define IEEE80211_MSG_INPUT 0x08000000 /* input handling */ 902 #define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */ 903 #define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */ 904 #define IEEE80211_MSG_NODE 0x01000000 /* node handling */ 905 #define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */ 906 #define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */ 907 #define IEEE80211_MSG_SCAN 0x00200000 /* scanning */ 908 #define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */ 909 #define IEEE80211_MSG_STATE 0x00080000 /* state machine */ 910 #define IEEE80211_MSG_POWER 0x00040000 /* power save handling */ 911 #define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */ 912 #define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */ 913 #define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */ 914 #define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */ 915 #define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */ 916 #define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */ 917 #define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */ 918 #define IEEE80211_MSG_WME 0x00000400 /* WME protocol */ 919 #define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */ 920 #define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */ 921 #define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */ 922 #define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */ 923 #define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */ 924 #define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */ 925 #define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */ 926 #define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */ 927 #define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */ 928 929 #define IEEE80211_MSG_ANY 0xffffffff /* anything */ 930 931 #define IEEE80211_MSG_BITS \ 932 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \ 933 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \ 934 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \ 935 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N" 936 937 #ifdef IEEE80211_DEBUG 938 #define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m)) 939 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \ 940 if (ieee80211_msg(_vap, _m)) \ 941 ieee80211_note(_vap, _fmt, __VA_ARGS__); \ 942 } while (0) 943 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \ 944 if (ieee80211_msg(_vap, _m)) \ 945 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\ 946 } while (0) 947 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \ 948 if (ieee80211_msg(_vap, _m)) \ 949 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \ 950 } while (0) 951 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \ 952 if (ieee80211_msg(_vap, _m)) \ 953 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \ 954 } while (0) 955 void ieee80211_note(const struct ieee80211vap *, const char *, ...); 956 void ieee80211_note_mac(const struct ieee80211vap *, 957 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...); 958 void ieee80211_note_frame(const struct ieee80211vap *, 959 const struct ieee80211_frame *, const char *, ...); 960 #define ieee80211_msg_debug(_vap) \ 961 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG) 962 #define ieee80211_msg_dumppkts(_vap) \ 963 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS) 964 #define ieee80211_msg_input(_vap) \ 965 ((_vap)->iv_debug & IEEE80211_MSG_INPUT) 966 #define ieee80211_msg_radius(_vap) \ 967 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS) 968 #define ieee80211_msg_dumpradius(_vap) \ 969 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP) 970 #define ieee80211_msg_dumpradkeys(_vap) \ 971 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS) 972 #define ieee80211_msg_scan(_vap) \ 973 ((_vap)->iv_debug & IEEE80211_MSG_SCAN) 974 #define ieee80211_msg_assoc(_vap) \ 975 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC) 976 977 /* 978 * Emit a debug message about discarding a frame or information 979 * element. One format is for extracting the mac address from 980 * the frame header; the other is for when a header is not 981 * available or otherwise appropriate. 982 */ 983 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \ 984 if ((_vap)->iv_debug & (_m)) \ 985 ieee80211_discard_frame(_vap, _wh, _type, _fmt, __VA_ARGS__);\ 986 } while (0) 987 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \ 988 if ((_vap)->iv_debug & (_m)) \ 989 ieee80211_discard_ie(_vap, _wh, _type, _fmt, __VA_ARGS__);\ 990 } while (0) 991 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \ 992 if ((_vap)->iv_debug & (_m)) \ 993 ieee80211_discard_mac(_vap, _mac, _type, _fmt, __VA_ARGS__);\ 994 } while (0) 995 996 void ieee80211_discard_frame(const struct ieee80211vap *, 997 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 998 void ieee80211_discard_ie(const struct ieee80211vap *, 999 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 1000 void ieee80211_discard_mac(const struct ieee80211vap *, 1001 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type, 1002 const char *fmt, ...); 1003 #else 1004 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) 1005 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) 1006 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) 1007 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) 1008 #define ieee80211_msg_dumppkts(_vap) 0 1009 #define ieee80211_msg(_vap, _m) 0 1010 1011 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) 1012 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) 1013 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) 1014 #endif 1015 1016 #endif /* _NET80211_IEEE80211_VAR_H_ */ 1017