Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/net80211/ieee80211_var.h
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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: releng/10.4/sys/net80211/ieee80211_var.h 254076 2013-08-07 22:01:43Z adrian $ 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 #define IEEE80211_TU_TO_TICKS(x)(((x) * 1024 * hz) / (1000 * 1000)) 88 89 /* 90 * 802.11 control state is split into a common portion that maps 91 * 1-1 to a physical device and one or more "Virtual AP's" (VAP) 92 * that are bound to an ieee80211com instance and share a single 93 * underlying device. Each VAP has a corresponding OS device 94 * entity through which traffic flows and that applications use 95 * for issuing ioctls, etc. 96 */ 97 98 /* 99 * Data common to one or more virtual AP's. State shared by 100 * the underlying device and the net80211 layer is exposed here; 101 * e.g. device-specific callbacks. 102 */ 103 struct ieee80211vap; 104 typedef void (*ieee80211vap_attach)(struct ieee80211vap *); 105 106 struct ieee80211_appie { 107 uint16_t ie_len; /* size of ie_data */ 108 uint8_t ie_data[]; /* user-specified IE's */ 109 }; 110 111 struct ieee80211_tdma_param; 112 struct ieee80211_rate_table; 113 struct ieee80211_tx_ampdu; 114 struct ieee80211_rx_ampdu; 115 struct ieee80211_superg; 116 struct ieee80211_frame; 117 118 struct ieee80211com { 119 struct ifnet *ic_ifp; /* associated device */ 120 ieee80211_com_lock_t ic_comlock; /* state update lock */ 121 ieee80211_tx_lock_t ic_txlock; /* ic/vap TX lock */ 122 TAILQ_HEAD(, ieee80211vap) ic_vaps; /* list of vap instances */ 123 int ic_headroom; /* driver tx headroom needs */ 124 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */ 125 enum ieee80211_opmode ic_opmode; /* operation mode */ 126 struct ifmedia ic_media; /* interface media config */ 127 struct callout ic_inact; /* inactivity processing */ 128 struct taskqueue *ic_tq; /* deferred state thread */ 129 struct task ic_parent_task; /* deferred parent processing */ 130 struct task ic_promisc_task;/* deferred promisc update */ 131 struct task ic_mcast_task; /* deferred mcast update */ 132 struct task ic_chan_task; /* deferred channel change */ 133 struct task ic_bmiss_task; /* deferred beacon miss hndlr */ 134 struct task ic_chw_task; /* deferred HT CHW update */ 135 136 uint32_t ic_flags; /* state flags */ 137 uint32_t ic_flags_ext; /* extended state flags */ 138 uint32_t ic_flags_ht; /* HT state flags */ 139 uint32_t ic_flags_ven; /* vendor state flags */ 140 uint32_t ic_caps; /* capabilities */ 141 uint32_t ic_htcaps; /* HT capabilities */ 142 uint32_t ic_htextcaps; /* HT extended capabilities */ 143 uint32_t ic_cryptocaps; /* crypto capabilities */ 144 uint8_t ic_modecaps[2]; /* set of mode capabilities */ 145 uint8_t ic_promisc; /* vap's needing promisc mode */ 146 uint8_t ic_allmulti; /* vap's needing all multicast*/ 147 uint8_t ic_nrunning; /* vap's marked running */ 148 uint8_t ic_curmode; /* current mode */ 149 uint16_t ic_bintval; /* beacon interval */ 150 uint16_t ic_lintval; /* listen interval */ 151 uint16_t ic_holdover; /* PM hold over duration */ 152 uint16_t ic_txpowlimit; /* global tx power limit */ 153 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX]; 154 155 /* 156 * Channel state: 157 * 158 * ic_channels is the set of available channels for the device; 159 * it is setup by the driver 160 * ic_nchans is the number of valid entries in ic_channels 161 * ic_chan_avail is a bit vector of these channels used to check 162 * whether a channel is available w/o searching the channel table. 163 * ic_chan_active is a (potentially) constrained subset of 164 * ic_chan_avail that reflects any mode setting or user-specified 165 * limit on the set of channels to use/scan 166 * ic_curchan is the current channel the device is set to; it may 167 * be different from ic_bsschan when we are off-channel scanning 168 * or otherwise doing background work 169 * ic_bsschan is the channel selected for operation; it may 170 * be undefined (IEEE80211_CHAN_ANYC) 171 * ic_prevchan is a cached ``previous channel'' used to optimize 172 * lookups when switching back+forth between two channels 173 * (e.g. for dynamic turbo) 174 */ 175 int ic_nchans; /* # entries in ic_channels */ 176 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX]; 177 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES]; 178 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES]; 179 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES]; 180 struct ieee80211_channel *ic_curchan; /* current channel */ 181 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */ 182 struct ieee80211_channel *ic_bsschan; /* bss channel */ 183 struct ieee80211_channel *ic_prevchan; /* previous channel */ 184 struct ieee80211_regdomain ic_regdomain;/* regulatory data */ 185 struct ieee80211_appie *ic_countryie; /* calculated country ie */ 186 struct ieee80211_channel *ic_countryie_chan; 187 188 /* 802.11h/DFS state */ 189 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */ 190 short ic_csa_mode; /* mode for doing CSA */ 191 short ic_csa_count; /* count for doing CSA */ 192 struct ieee80211_dfs_state ic_dfs; /* DFS state */ 193 194 struct ieee80211_scan_state *ic_scan; /* scan state */ 195 int ic_lastdata; /* time of last data frame */ 196 int ic_lastscan; /* time last scan completed */ 197 198 /* NB: this is the union of all vap stations/neighbors */ 199 int ic_max_keyix; /* max h/w key index */ 200 struct ieee80211_node_table ic_sta; /* stations/neighbors */ 201 struct ieee80211_ageq ic_stageq; /* frame staging queue */ 202 uint32_t ic_hash_key; /* random key for mac hash */ 203 204 /* XXX multi-bss: split out common/vap parts */ 205 struct ieee80211_wme_state ic_wme; /* WME/WMM state */ 206 207 /* XXX multi-bss: can per-vap be done/make sense? */ 208 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */ 209 uint16_t ic_nonerpsta; /* # non-ERP stations */ 210 uint16_t ic_longslotsta; /* # long slot time stations */ 211 uint16_t ic_sta_assoc; /* stations associated */ 212 uint16_t ic_ht_sta_assoc;/* HT stations associated */ 213 uint16_t ic_ht40_sta_assoc;/* HT40 stations associated */ 214 uint8_t ic_curhtprotmode;/* HTINFO bss state */ 215 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */ 216 int ic_lastnonerp; /* last time non-ERP sta noted*/ 217 int ic_lastnonht; /* last time non-HT sta noted */ 218 uint8_t ic_rxstream; /* # RX streams */ 219 uint8_t ic_txstream; /* # TX streams */ 220 221 /* optional state for Atheros SuperG protocol extensions */ 222 struct ieee80211_superg *ic_superg; 223 224 /* radiotap handling */ 225 struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */ 226 void *ic_txchan; /* channel state in ic_th */ 227 struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */ 228 void *ic_rxchan; /* channel state in ic_rh */ 229 int ic_montaps; /* active monitor mode taps */ 230 231 /* virtual ap create/delete */ 232 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *, 233 const char [IFNAMSIZ], int, 234 enum ieee80211_opmode, int, 235 const uint8_t [IEEE80211_ADDR_LEN], 236 const uint8_t [IEEE80211_ADDR_LEN]); 237 void (*ic_vap_delete)(struct ieee80211vap *); 238 /* operating mode attachment */ 239 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX]; 240 /* return hardware/radio capabilities */ 241 void (*ic_getradiocaps)(struct ieee80211com *, 242 int, int *, struct ieee80211_channel []); 243 /* check and/or prepare regdomain state change */ 244 int (*ic_setregdomain)(struct ieee80211com *, 245 struct ieee80211_regdomain *, 246 int, struct ieee80211_channel []); 247 248 int (*ic_set_quiet)(struct ieee80211_node *, 249 u_int8_t *quiet_elm); 250 251 /* send/recv 802.11 management frame */ 252 int (*ic_send_mgmt)(struct ieee80211_node *, 253 int, int); 254 /* send raw 802.11 frame */ 255 int (*ic_raw_xmit)(struct ieee80211_node *, 256 struct mbuf *, 257 const struct ieee80211_bpf_params *); 258 /* update device state for 802.11 slot time change */ 259 void (*ic_updateslot)(struct ifnet *); 260 /* handle multicast state changes */ 261 void (*ic_update_mcast)(struct ifnet *); 262 /* handle promiscuous mode changes */ 263 void (*ic_update_promisc)(struct ifnet *); 264 /* new station association callback/notification */ 265 void (*ic_newassoc)(struct ieee80211_node *, int); 266 /* TDMA update notification */ 267 void (*ic_tdma_update)(struct ieee80211_node *, 268 const struct ieee80211_tdma_param *, int); 269 /* node state management */ 270 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *, 271 const uint8_t [IEEE80211_ADDR_LEN]); 272 void (*ic_node_free)(struct ieee80211_node *); 273 void (*ic_node_cleanup)(struct ieee80211_node *); 274 void (*ic_node_age)(struct ieee80211_node *); 275 void (*ic_node_drain)(struct ieee80211_node *); 276 int8_t (*ic_node_getrssi)(const struct ieee80211_node*); 277 void (*ic_node_getsignal)(const struct ieee80211_node*, 278 int8_t *, int8_t *); 279 void (*ic_node_getmimoinfo)( 280 const struct ieee80211_node*, 281 struct ieee80211_mimo_info *); 282 /* scanning support */ 283 void (*ic_scan_start)(struct ieee80211com *); 284 void (*ic_scan_end)(struct ieee80211com *); 285 void (*ic_set_channel)(struct ieee80211com *); 286 void (*ic_scan_curchan)(struct ieee80211_scan_state *, 287 unsigned long); 288 void (*ic_scan_mindwell)(struct ieee80211_scan_state *); 289 290 /* 291 * 802.11n ADDBA support. A simple/generic implementation 292 * of A-MPDU tx aggregation is provided; the driver may 293 * override these methods to provide their own support. 294 * A-MPDU rx re-ordering happens automatically if the 295 * driver passes out-of-order frames to ieee80211_input 296 * from an assocated HT station. 297 */ 298 int (*ic_recv_action)(struct ieee80211_node *, 299 const struct ieee80211_frame *, 300 const uint8_t *frm, const uint8_t *efrm); 301 int (*ic_send_action)(struct ieee80211_node *, 302 int category, int action, void *); 303 /* check if A-MPDU should be enabled this station+ac */ 304 int (*ic_ampdu_enable)(struct ieee80211_node *, 305 struct ieee80211_tx_ampdu *); 306 /* start/stop doing A-MPDU tx aggregation for a station */ 307 int (*ic_addba_request)(struct ieee80211_node *, 308 struct ieee80211_tx_ampdu *, 309 int dialogtoken, int baparamset, 310 int batimeout); 311 int (*ic_addba_response)(struct ieee80211_node *, 312 struct ieee80211_tx_ampdu *, 313 int status, int baparamset, int batimeout); 314 void (*ic_addba_stop)(struct ieee80211_node *, 315 struct ieee80211_tx_ampdu *); 316 void (*ic_addba_response_timeout)(struct ieee80211_node *, 317 struct ieee80211_tx_ampdu *); 318 /* BAR response received */ 319 void (*ic_bar_response)(struct ieee80211_node *, 320 struct ieee80211_tx_ampdu *, int status); 321 /* start/stop doing A-MPDU rx processing for a station */ 322 int (*ic_ampdu_rx_start)(struct ieee80211_node *, 323 struct ieee80211_rx_ampdu *, int baparamset, 324 int batimeout, int baseqctl); 325 void (*ic_ampdu_rx_stop)(struct ieee80211_node *, 326 struct ieee80211_rx_ampdu *); 327 328 /* The channel width has changed (20<->2040) */ 329 void (*ic_update_chw)(struct ieee80211com *); 330 331 uint64_t ic_spare[7]; 332 }; 333 334 struct ieee80211_aclator; 335 struct ieee80211_tdma_state; 336 struct ieee80211_mesh_state; 337 struct ieee80211_hwmp_state; 338 339 struct ieee80211vap { 340 struct ifmedia iv_media; /* interface media config */ 341 struct ifnet *iv_ifp; /* associated device */ 342 struct bpf_if *iv_rawbpf; /* packet filter structure */ 343 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */ 344 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */ 345 346 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */ 347 struct ieee80211com *iv_ic; /* back ptr to common state */ 348 uint32_t iv_debug; /* debug msg flags */ 349 struct ieee80211_stats iv_stats; /* statistics */ 350 351 uint8_t iv_myaddr[IEEE80211_ADDR_LEN]; 352 uint32_t iv_flags; /* state flags */ 353 uint32_t iv_flags_ext; /* extended state flags */ 354 uint32_t iv_flags_ht; /* HT state flags */ 355 uint32_t iv_flags_ven; /* vendor state flags */ 356 uint32_t iv_caps; /* capabilities */ 357 uint32_t iv_htcaps; /* HT capabilities */ 358 uint32_t iv_htextcaps; /* HT extended capabilities */ 359 enum ieee80211_opmode iv_opmode; /* operation mode */ 360 enum ieee80211_state iv_state; /* state machine state */ 361 enum ieee80211_state iv_nstate; /* pending state */ 362 int iv_nstate_arg; /* pending state arg */ 363 struct task iv_nstate_task; /* deferred state processing */ 364 struct task iv_swbmiss_task;/* deferred iv_bmiss call */ 365 struct callout iv_mgtsend; /* mgmt frame response timer */ 366 /* inactivity timer settings */ 367 int iv_inact_init; /* setting for new station */ 368 int iv_inact_auth; /* auth but not assoc setting */ 369 int iv_inact_run; /* authorized setting */ 370 int iv_inact_probe; /* inactive probe time */ 371 372 int iv_des_nssid; /* # desired ssids */ 373 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */ 374 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN]; 375 struct ieee80211_channel *iv_des_chan; /* desired channel */ 376 uint16_t iv_des_mode; /* desired mode */ 377 int iv_nicknamelen; /* XXX junk */ 378 uint8_t iv_nickname[IEEE80211_NWID_LEN]; 379 u_int iv_bgscanidle; /* bg scan idle threshold */ 380 u_int iv_bgscanintvl; /* bg scan min interval */ 381 u_int iv_scanvalid; /* scan cache valid threshold */ 382 u_int iv_scanreq_duration; 383 u_int iv_scanreq_mindwell; 384 u_int iv_scanreq_maxdwell; 385 uint16_t iv_scanreq_flags;/* held scan request params */ 386 uint8_t iv_scanreq_nssid; 387 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID]; 388 /* sta-mode roaming state */ 389 enum ieee80211_roamingmode iv_roaming; /* roaming mode */ 390 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX]; 391 392 uint8_t iv_bmissthreshold; 393 uint8_t iv_bmiss_count; /* current beacon miss count */ 394 int iv_bmiss_max; /* max bmiss before scan */ 395 uint16_t iv_swbmiss_count;/* beacons in last period */ 396 uint16_t iv_swbmiss_period;/* s/w bmiss period */ 397 struct callout iv_swbmiss; /* s/w beacon miss timer */ 398 399 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */ 400 int iv_ampdu_density;/* A-MPDU density */ 401 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */ 402 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */ 403 u_int iv_ampdu_mintraffic[WME_NUM_AC]; 404 405 uint32_t *iv_aid_bitmap; /* association id map */ 406 uint16_t iv_max_aid; 407 uint16_t iv_sta_assoc; /* stations associated */ 408 uint16_t iv_ps_sta; /* stations in power save */ 409 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */ 410 uint16_t iv_txseq; /* mcast xmit seq# space */ 411 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */ 412 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/ 413 uint8_t iv_dtim_period; /* DTIM period */ 414 uint8_t iv_dtim_count; /* DTIM count from last bcn */ 415 /* set/unset aid pwrsav state */ 416 uint8_t iv_quiet; /* Quiet Element */ 417 uint8_t iv_quiet_count; /* constant count for Quiet Element */ 418 uint8_t iv_quiet_count_value; /* variable count for Quiet Element */ 419 uint8_t iv_quiet_period; /* period for Quiet Element */ 420 uint16_t iv_quiet_duration; /* duration for Quiet Element */ 421 uint16_t iv_quiet_offset; /* offset for Quiet Element */ 422 int iv_csa_count; /* count for doing CSA */ 423 424 struct ieee80211_node *iv_bss; /* information for this node */ 425 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX]; 426 uint16_t iv_rtsthreshold; 427 uint16_t iv_fragthreshold; 428 int iv_inact_timer; /* inactivity timer wait */ 429 /* application-specified IE's to attach to mgt frames */ 430 struct ieee80211_appie *iv_appie_beacon; 431 struct ieee80211_appie *iv_appie_probereq; 432 struct ieee80211_appie *iv_appie_proberesp; 433 struct ieee80211_appie *iv_appie_assocreq; 434 struct ieee80211_appie *iv_appie_assocresp; 435 struct ieee80211_appie *iv_appie_wpa; 436 uint8_t *iv_wpa_ie; 437 uint8_t *iv_rsn_ie; 438 uint16_t iv_max_keyix; /* max h/w key index */ 439 ieee80211_keyix iv_def_txkey; /* default/group tx key index */ 440 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID]; 441 int (*iv_key_alloc)(struct ieee80211vap *, 442 struct ieee80211_key *, 443 ieee80211_keyix *, ieee80211_keyix *); 444 int (*iv_key_delete)(struct ieee80211vap *, 445 const struct ieee80211_key *); 446 int (*iv_key_set)(struct ieee80211vap *, 447 const struct ieee80211_key *, 448 const uint8_t mac[IEEE80211_ADDR_LEN]); 449 void (*iv_key_update_begin)(struct ieee80211vap *); 450 void (*iv_key_update_end)(struct ieee80211vap *); 451 452 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */ 453 void *iv_ec; /* private auth state */ 454 455 const struct ieee80211_aclator *iv_acl; /* acl glue */ 456 void *iv_as; /* private aclator state */ 457 458 const struct ieee80211_ratectl *iv_rate; 459 void *iv_rs; /* private ratectl state */ 460 461 struct ieee80211_tdma_state *iv_tdma; /* tdma state */ 462 struct ieee80211_mesh_state *iv_mesh; /* MBSS state */ 463 struct ieee80211_hwmp_state *iv_hwmp; /* HWMP state */ 464 465 /* operate-mode detach hook */ 466 void (*iv_opdetach)(struct ieee80211vap *); 467 /* receive processing */ 468 int (*iv_input)(struct ieee80211_node *, 469 struct mbuf *, int, int); 470 void (*iv_recv_mgmt)(struct ieee80211_node *, 471 struct mbuf *, int, int, int); 472 void (*iv_recv_ctl)(struct ieee80211_node *, 473 struct mbuf *, int); 474 void (*iv_deliver_data)(struct ieee80211vap *, 475 struct ieee80211_node *, struct mbuf *); 476 #if 0 477 /* send processing */ 478 int (*iv_send_mgmt)(struct ieee80211_node *, 479 int, int); 480 #endif 481 /* beacon miss processing */ 482 void (*iv_bmiss)(struct ieee80211vap *); 483 /* reset device state after 802.11 parameter/state change */ 484 int (*iv_reset)(struct ieee80211vap *, u_long); 485 /* [schedule] beacon frame update */ 486 void (*iv_update_beacon)(struct ieee80211vap *, int); 487 /* power save handling */ 488 void (*iv_update_ps)(struct ieee80211vap *, int); 489 int (*iv_set_tim)(struct ieee80211_node *, int); 490 void (*iv_node_ps)(struct ieee80211_node *, int); 491 void (*iv_sta_ps)(struct ieee80211vap *, int); 492 void (*iv_recv_pspoll)(struct ieee80211_node *, 493 struct mbuf *); 494 495 /* state machine processing */ 496 int (*iv_newstate)(struct ieee80211vap *, 497 enum ieee80211_state, int); 498 /* 802.3 output method for raw frame xmit */ 499 #if __FreeBSD_version >= 1000031 500 int (*iv_output)(struct ifnet *, struct mbuf *, 501 const struct sockaddr *, struct route *); 502 #else 503 int (*iv_output)(struct ifnet *, struct mbuf *, 504 struct sockaddr *, struct route *); 505 #endif 506 uint64_t iv_spare[6]; 507 }; 508 MALLOC_DECLARE(M_80211_VAP); 509 510 #define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0) 511 #define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN) 512 513 /* ic_flags/iv_flags */ 514 #define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/ 515 #define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */ 516 #define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */ 517 #define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */ 518 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */ 519 #define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */ 520 #define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */ 521 #define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */ 522 #define IEEE80211_F_ASCAN 0x00000100 /* STATUS: active scan */ 523 #define IEEE80211_F_SIBSS 0x00000200 /* STATUS: start IBSS */ 524 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */ 525 #define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/ 526 #define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */ 527 #define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */ 528 #define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */ 529 #define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/ 530 #define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */ 531 #define IEEE80211_F_TXPOW_FIXED 0x00010000 /* TX Power: fixed rate */ 532 #define IEEE80211_F_IBSSON 0x00020000 /* CONF: IBSS creation enable */ 533 #define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */ 534 #define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */ 535 #define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */ 536 #define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/ 537 #define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/ 538 #define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */ 539 #define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */ 540 #define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */ 541 #define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */ 542 #define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */ 543 #define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */ 544 #define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */ 545 #define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */ 546 #define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */ 547 #define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */ 548 549 #define IEEE80211_F_BITS \ 550 "\2\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN\11ASCAN\12SIBSS" \ 551 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY\21TXPOW_FIXED" \ 552 "\22IBSSON\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \ 553 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \ 554 "\37DOTH\40DWDS" 555 556 /* Atheros protocol-specific flags */ 557 #define IEEE80211_F_ATHEROS \ 558 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP) 559 /* Check if an Atheros capability was negotiated for use */ 560 #define IEEE80211_ATH_CAP(vap, ni, bit) \ 561 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit)) 562 563 /* ic_flags_ext/iv_flags_ext */ 564 #define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */ 565 #define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */ 566 /* 0x00000006 reserved */ 567 #define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */ 568 #define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */ 569 #define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */ 570 #define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */ 571 #define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */ 572 #define IEEE80211_FEXT_4ADDR 0x00000100 /* CONF: apply 4-addr encap */ 573 #define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/ 574 #define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */ 575 #define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */ 576 #define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */ 577 #define IEEE80211_FEXT_STATEWAIT 0x00002000 /* STATUS: awaiting state chg */ 578 #define IEEE80211_FEXT_REINIT 0x00004000 /* STATUS: INIT state first */ 579 #define IEEE80211_FEXT_BPF 0x00008000 /* STATUS: BPF tap present */ 580 /* NB: immutable: should be set only when creating a vap */ 581 #define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */ 582 #define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/ 583 #define IEEE80211_FEXT_UNIQMAC 0x00040000 /* CONF: user or computed mac */ 584 585 #define IEEE80211_FEXT_BITS \ 586 "\2\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \ 587 "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \ 588 "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC" 589 590 /* ic_flags_ht/iv_flags_ht */ 591 #define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */ 592 #define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */ 593 #define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */ 594 #define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */ 595 #define IEEE80211_FHT_AMPDU_RX 0x00200000 /* CONF: A-MPDU rx supported */ 596 #define IEEE80211_FHT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */ 597 #define IEEE80211_FHT_AMSDU_RX 0x00800000 /* CONF: A-MSDU rx supported */ 598 #define IEEE80211_FHT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */ 599 #define IEEE80211_FHT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */ 600 #define IEEE80211_FHT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */ 601 #define IEEE80211_FHT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */ 602 #define IEEE80211_FHT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */ 603 #define IEEE80211_FHT_RIFS 0x20000000 /* CONF: RIFS enabled */ 604 #define IEEE80211_FHT_STBC_TX 0x40000000 /* CONF: STBC tx enabled */ 605 #define IEEE80211_FHT_STBC_RX 0x80000000 /* CONF: STBC rx enabled */ 606 607 #define IEEE80211_FHT_BITS \ 608 "\2\1NONHT_PR" \ 609 "\23GF\24HT\25AMPDU_TX\26AMPDU_TX" \ 610 "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \ 611 "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX" 612 613 #define IEEE80211_FVEN_BITS "\2" 614 615 /* ic_caps/iv_caps: device driver capabilities */ 616 /* 0x2e available */ 617 #define IEEE80211_C_STA 0x00000001 /* CAPABILITY: STA available */ 618 #define IEEE80211_C_8023ENCAP 0x00000002 /* CAPABILITY: 802.3 encap */ 619 #define IEEE80211_C_FF 0x00000040 /* CAPABILITY: ATH FF avail */ 620 #define IEEE80211_C_TURBOP 0x00000080 /* CAPABILITY: ATH Turbo avail*/ 621 #define IEEE80211_C_IBSS 0x00000100 /* CAPABILITY: IBSS available */ 622 #define IEEE80211_C_PMGT 0x00000200 /* CAPABILITY: Power mgmt */ 623 #define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */ 624 #define IEEE80211_C_AHDEMO 0x00000800 /* CAPABILITY: Old Adhoc Demo */ 625 #define IEEE80211_C_SWRETRY 0x00001000 /* CAPABILITY: sw tx retry */ 626 #define IEEE80211_C_TXPMGT 0x00002000 /* CAPABILITY: tx power mgmt */ 627 #define IEEE80211_C_SHSLOT 0x00004000 /* CAPABILITY: short slottime */ 628 #define IEEE80211_C_SHPREAMBLE 0x00008000 /* CAPABILITY: short preamble */ 629 #define IEEE80211_C_MONITOR 0x00010000 /* CAPABILITY: monitor mode */ 630 #define IEEE80211_C_DFS 0x00020000 /* CAPABILITY: DFS/radar avail*/ 631 #define IEEE80211_C_MBSS 0x00040000 /* CAPABILITY: MBSS available */ 632 /* 0x7c0000 available */ 633 #define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */ 634 #define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */ 635 #define IEEE80211_C_WPA 0x01800000 /* CAPABILITY: WPA1+WPA2 avail*/ 636 #define IEEE80211_C_BURST 0x02000000 /* CAPABILITY: frame bursting */ 637 #define IEEE80211_C_WME 0x04000000 /* CAPABILITY: WME avail */ 638 #define IEEE80211_C_WDS 0x08000000 /* CAPABILITY: 4-addr support */ 639 /* 0x10000000 reserved */ 640 #define IEEE80211_C_BGSCAN 0x20000000 /* CAPABILITY: bg scanning */ 641 #define IEEE80211_C_TXFRAG 0x40000000 /* CAPABILITY: tx fragments */ 642 #define IEEE80211_C_TDMA 0x80000000 /* CAPABILITY: TDMA avail */ 643 /* XXX protection/barker? */ 644 645 #define IEEE80211_C_OPMODE \ 646 (IEEE80211_C_STA | IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | \ 647 IEEE80211_C_AHDEMO | IEEE80211_C_MONITOR | IEEE80211_C_WDS | \ 648 IEEE80211_C_TDMA | IEEE80211_C_MBSS) 649 650 #define IEEE80211_C_BITS \ 651 "\2\1STA\002803ENCAP\7FF\10TURBOP\11IBSS\12PMGT" \ 652 "\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \ 653 "\21MONITOR\22DFS\23MBSS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \ 654 "\37TXFRAG\40TDMA" 655 656 /* 657 * ic_htcaps/iv_htcaps: HT-specific device/driver capabilities 658 * 659 * NB: the low 16-bits are the 802.11 definitions, the upper 660 * 16-bits are used to define s/w/driver capabilities. 661 */ 662 #define IEEE80211_HTC_AMPDU 0x00010000 /* CAPABILITY: A-MPDU tx */ 663 #define IEEE80211_HTC_AMSDU 0x00020000 /* CAPABILITY: A-MSDU tx */ 664 /* NB: HT40 is implied by IEEE80211_HTCAP_CHWIDTH40 */ 665 #define IEEE80211_HTC_HT 0x00040000 /* CAPABILITY: HT operation */ 666 #define IEEE80211_HTC_SMPS 0x00080000 /* CAPABILITY: MIMO power save*/ 667 #define IEEE80211_HTC_RIFS 0x00100000 /* CAPABILITY: RIFS support */ 668 #define IEEE80211_HTC_RXUNEQUAL 0x00200000 /* CAPABILITY: RX unequal MCS */ 669 #define IEEE80211_HTC_RXMCS32 0x00400000 /* CAPABILITY: MCS32 support */ 670 #define IEEE80211_HTC_TXUNEQUAL 0x00800000 /* CAPABILITY: TX unequal MCS */ 671 #define IEEE80211_HTC_TXMCS32 0x01000000 /* CAPABILITY: MCS32 suport */ 672 673 #define IEEE80211_C_HTCAP_BITS \ 674 "\2\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \ 675 "\21AMPDU\22AMSDU\23HT\24SMPS\25RIFS" 676 677 void ieee80211_ifattach(struct ieee80211com *, 678 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 679 void ieee80211_ifdetach(struct ieee80211com *); 680 int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *, 681 const char name[IFNAMSIZ], int unit, 682 enum ieee80211_opmode opmode, int flags, 683 const uint8_t bssid[IEEE80211_ADDR_LEN], 684 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 685 int ieee80211_vap_attach(struct ieee80211vap *, 686 ifm_change_cb_t, ifm_stat_cb_t); 687 void ieee80211_vap_detach(struct ieee80211vap *); 688 const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic, 689 const struct ieee80211_channel *); 690 void ieee80211_announce(struct ieee80211com *); 691 void ieee80211_announce_channels(struct ieee80211com *); 692 void ieee80211_drain(struct ieee80211com *); 693 void ieee80211_media_init(struct ieee80211com *); 694 struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]); 695 int ieee80211_media_change(struct ifnet *); 696 void ieee80211_media_status(struct ifnet *, struct ifmediareq *); 697 int ieee80211_ioctl(struct ifnet *, u_long, caddr_t); 698 int ieee80211_rate2media(struct ieee80211com *, int, 699 enum ieee80211_phymode); 700 int ieee80211_media2rate(int); 701 int ieee80211_mhz2ieee(u_int, u_int); 702 int ieee80211_chan2ieee(struct ieee80211com *, 703 const struct ieee80211_channel *); 704 u_int ieee80211_ieee2mhz(u_int, u_int); 705 struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *, 706 int freq, int flags); 707 struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *, 708 int ieee, int flags); 709 int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode); 710 enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *); 711 uint32_t ieee80211_mac_hash(const struct ieee80211com *, 712 const uint8_t addr[IEEE80211_ADDR_LEN]); 713 714 void ieee80211_radiotap_attach(struct ieee80211com *, 715 struct ieee80211_radiotap_header *th, int tlen, 716 uint32_t tx_radiotap, 717 struct ieee80211_radiotap_header *rh, int rlen, 718 uint32_t rx_radiotap); 719 void ieee80211_radiotap_attachv(struct ieee80211com *, 720 struct ieee80211_radiotap_header *th, 721 int tlen, int n_tx_v, uint32_t tx_radiotap, 722 struct ieee80211_radiotap_header *rh, 723 int rlen, int n_rx_v, uint32_t rx_radiotap); 724 void ieee80211_radiotap_detach(struct ieee80211com *); 725 void ieee80211_radiotap_vattach(struct ieee80211vap *); 726 void ieee80211_radiotap_vdetach(struct ieee80211vap *); 727 void ieee80211_radiotap_chan_change(struct ieee80211com *); 728 void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *); 729 void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *); 730 void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *); 731 732 static __inline int 733 ieee80211_radiotap_active(const struct ieee80211com *ic) 734 { 735 return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0; 736 } 737 738 static __inline int 739 ieee80211_radiotap_active_vap(const struct ieee80211vap *vap) 740 { 741 return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) || 742 vap->iv_ic->ic_montaps != 0; 743 } 744 745 /* 746 * Enqueue a task on the state thread. 747 */ 748 static __inline void 749 ieee80211_runtask(struct ieee80211com *ic, struct task *task) 750 { 751 taskqueue_enqueue(ic->ic_tq, task); 752 } 753 754 /* 755 * Wait for a queued task to complete. 756 */ 757 static __inline void 758 ieee80211_draintask(struct ieee80211com *ic, struct task *task) 759 { 760 taskqueue_drain(ic->ic_tq, task); 761 } 762 763 /* 764 * Key update synchronization methods. XXX should not be visible. 765 */ 766 static __inline void 767 ieee80211_key_update_begin(struct ieee80211vap *vap) 768 { 769 vap->iv_key_update_begin(vap); 770 } 771 static __inline void 772 ieee80211_key_update_end(struct ieee80211vap *vap) 773 { 774 vap->iv_key_update_end(vap); 775 } 776 777 /* 778 * XXX these need to be here for IEEE80211_F_DATAPAD 779 */ 780 781 /* 782 * Return the space occupied by the 802.11 header and any 783 * padding required by the driver. This works for a 784 * management or data frame. 785 */ 786 static __inline int 787 ieee80211_hdrspace(struct ieee80211com *ic, const void *data) 788 { 789 int size = ieee80211_hdrsize(data); 790 if (ic->ic_flags & IEEE80211_F_DATAPAD) 791 size = roundup(size, sizeof(uint32_t)); 792 return size; 793 } 794 795 /* 796 * Like ieee80211_hdrspace, but handles any type of frame. 797 */ 798 static __inline int 799 ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data) 800 { 801 int size = ieee80211_anyhdrsize(data); 802 if (ic->ic_flags & IEEE80211_F_DATAPAD) 803 size = roundup(size, sizeof(uint32_t)); 804 return size; 805 } 806 807 /* 808 * Notify a vap that beacon state has been updated. 809 */ 810 static __inline void 811 ieee80211_beacon_notify(struct ieee80211vap *vap, int what) 812 { 813 if (vap->iv_state == IEEE80211_S_RUN) 814 vap->iv_update_beacon(vap, what); 815 } 816 817 /* 818 * Calculate HT channel promotion flags for a channel. 819 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_* 820 */ 821 static __inline int 822 ieee80211_htchanflags(const struct ieee80211_channel *c) 823 { 824 return IEEE80211_IS_CHAN_HT40(c) ? 825 IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 : 826 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0; 827 } 828 829 /* 830 * Fetch the current TX power (cap) for the given node. 831 * 832 * This includes the node and ic/vap TX power limit as needed, 833 * but it doesn't take into account any per-rate limit. 834 */ 835 static __inline uint16_t 836 ieee80211_get_node_txpower(struct ieee80211_node *ni) 837 { 838 struct ieee80211com *ic = ni->ni_ic; 839 uint16_t txpower; 840 841 txpower = ni->ni_txpower; 842 txpower = MIN(txpower, ic->ic_txpowlimit); 843 if (ic->ic_curchan != NULL) { 844 txpower = MIN(txpower, 2 * ic->ic_curchan->ic_maxregpower); 845 txpower = MIN(txpower, ic->ic_curchan->ic_maxpower); 846 } 847 848 return (txpower); 849 } 850 851 /* 852 * Debugging facilities compiled in when IEEE80211_DEBUG is defined. 853 * 854 * The intent is that any problem in the net80211 layer can be 855 * diagnosed by inspecting the statistics (dumped by the wlanstats 856 * program) and/or the msgs generated by net80211. Messages are 857 * broken into functional classes and can be controlled with the 858 * wlandebug program. Certain of these msg groups are for facilities 859 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM). 860 */ 861 #define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */ 862 #define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */ 863 #define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */ 864 #define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */ 865 #define IEEE80211_MSG_INPUT 0x08000000 /* input handling */ 866 #define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */ 867 #define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */ 868 #define IEEE80211_MSG_NODE 0x01000000 /* node handling */ 869 #define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */ 870 #define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */ 871 #define IEEE80211_MSG_SCAN 0x00200000 /* scanning */ 872 #define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */ 873 #define IEEE80211_MSG_STATE 0x00080000 /* state machine */ 874 #define IEEE80211_MSG_POWER 0x00040000 /* power save handling */ 875 #define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */ 876 #define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */ 877 #define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */ 878 #define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */ 879 #define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */ 880 #define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */ 881 #define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */ 882 #define IEEE80211_MSG_WME 0x00000400 /* WME protocol */ 883 #define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */ 884 #define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */ 885 #define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */ 886 #define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */ 887 #define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */ 888 #define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */ 889 #define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */ 890 #define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */ 891 #define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */ 892 893 #define IEEE80211_MSG_ANY 0xffffffff /* anything */ 894 895 #define IEEE80211_MSG_BITS \ 896 "\2\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \ 897 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \ 898 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \ 899 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N" 900 901 #ifdef IEEE80211_DEBUG 902 #define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m)) 903 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \ 904 if (ieee80211_msg(_vap, _m)) \ 905 ieee80211_note(_vap, _fmt, __VA_ARGS__); \ 906 } while (0) 907 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \ 908 if (ieee80211_msg(_vap, _m)) \ 909 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\ 910 } while (0) 911 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \ 912 if (ieee80211_msg(_vap, _m)) \ 913 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \ 914 } while (0) 915 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \ 916 if (ieee80211_msg(_vap, _m)) \ 917 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \ 918 } while (0) 919 void ieee80211_note(const struct ieee80211vap *, const char *, ...); 920 void ieee80211_note_mac(const struct ieee80211vap *, 921 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...); 922 void ieee80211_note_frame(const struct ieee80211vap *, 923 const struct ieee80211_frame *, const char *, ...); 924 #define ieee80211_msg_debug(_vap) \ 925 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG) 926 #define ieee80211_msg_dumppkts(_vap) \ 927 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS) 928 #define ieee80211_msg_input(_vap) \ 929 ((_vap)->iv_debug & IEEE80211_MSG_INPUT) 930 #define ieee80211_msg_radius(_vap) \ 931 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS) 932 #define ieee80211_msg_dumpradius(_vap) \ 933 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP) 934 #define ieee80211_msg_dumpradkeys(_vap) \ 935 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS) 936 #define ieee80211_msg_scan(_vap) \ 937 ((_vap)->iv_debug & IEEE80211_MSG_SCAN) 938 #define ieee80211_msg_assoc(_vap) \ 939 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC) 940 941 /* 942 * Emit a debug message about discarding a frame or information 943 * element. One format is for extracting the mac address from 944 * the frame header; the other is for when a header is not 945 * available or otherwise appropriate. 946 */ 947 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \ 948 if ((_vap)->iv_debug & (_m)) \ 949 ieee80211_discard_frame(_vap, _wh, _type, _fmt, __VA_ARGS__);\ 950 } while (0) 951 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \ 952 if ((_vap)->iv_debug & (_m)) \ 953 ieee80211_discard_ie(_vap, _wh, _type, _fmt, __VA_ARGS__);\ 954 } while (0) 955 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \ 956 if ((_vap)->iv_debug & (_m)) \ 957 ieee80211_discard_mac(_vap, _mac, _type, _fmt, __VA_ARGS__);\ 958 } while (0) 959 960 void ieee80211_discard_frame(const struct ieee80211vap *, 961 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 962 void ieee80211_discard_ie(const struct ieee80211vap *, 963 const struct ieee80211_frame *, const char *type, const char *fmt, ...); 964 void ieee80211_discard_mac(const struct ieee80211vap *, 965 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type, 966 const char *fmt, ...); 967 #else 968 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) 969 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) 970 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) 971 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) 972 #define ieee80211_msg_dumppkts(_vap) 0 973 #define ieee80211_msg(_vap, _m) 0 974 975 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) 976 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) 977 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) 978 #endif 979 980 #endif /* _NET80211_IEEE80211_VAR_H_ */
Cache object: fbaf0647ad22513456e995bc4e6b4c01
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