1 /* 2 * Copyright (c) 2013, 2016-2021 The Linux Foundation. All rights reserved. 3 * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved. 4 * Copyright (c) 2005-2006 Atheros Communications, Inc. 5 * 6 * Permission to use, copy, modify, and/or distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 /** 20 * DOC: This file has main dfs structures. 21 */ 22 23 #ifndef _DFS_H_ 24 #define _DFS_H_ 25 26 #include <qdf_types.h> /* QDF_NBUF_EXEMPT_NO_EXEMPTION, etc. */ 27 #include <qdf_net_types.h> /* QDF_NBUF_EXEMPT_NO_EXEMPTION, etc. */ 28 #include <qdf_nbuf.h> /* qdf_nbuf_t, etc. */ 29 #include <qdf_util.h> /* qdf_assert */ 30 #include <qdf_lock.h> /* qdf_spinlock */ 31 #include <qdf_time.h> 32 #include <qdf_timer.h> 33 #include <qdf_hrtimer.h> 34 #include <qdf_str.h> /* qdf_str_lcopy */ 35 36 #include <wlan_dfs_ioctl.h> 37 #include "dfs_structs.h" 38 #include "dfs_channel.h" 39 #include "dfs_ioctl_private.h" 40 #include <i_qdf_types.h> /* For qdf_packed*/ 41 #include "queue.h" /* For STAILQ_ENTRY */ 42 #include <wlan_objmgr_psoc_obj.h> 43 #include <wlan_objmgr_pdev_obj.h> 44 #include <osdep.h> 45 #include <wlan_cmn.h> 46 #include "target_type.h" 47 #include <wlan_dfs_public_struct.h> 48 #include <reg_services_public_struct.h> 49 50 /* File Line and Submodule String */ 51 #define FLSM(x, str) #str " : " FL(x) 52 /* Cast to dfs type */ 53 #define DC(x) ((struct wlan_dfs *)(x)) 54 55 /** 56 * dfs_log: dfs logging using submodule MASKs and 57 * QDF trace level. 58 * The logging is controlled by two bitmasks: 59 * 1) submodule bitmask: sm 60 * 2) trace level masks: level 61 * 62 * @dfs: The dfs object pointer or NULL if dfs is not defined. 63 * @sm: Submodule BITMASK. 64 * @level: QDF trace level. 65 * @args...: Variable argument list. 66 * 67 * The submodule(sm) cannot be empty even if argument dfs is NULL. 68 * Else the macro will create a compilation error. 69 * One may provide WLAN_DEBUG_DFS_ALWAYS when the argument dfs is NULL. 70 * Example:- 71 * dfs_log(NULL, WLAN_DEBUG_DFS_ALWAYS, QDF_TRACE_LEVEL_INFO,"Error pulse"); 72 * 73 * Why DC(x) is required? 74 * Since NULL is defined as ((void *)(0)), if the argument "dfs" 75 * in a call to the macro "dfs_log" is NULL 76 * then during compilation (NULL)->dfs_debug_mask will dereference 77 * a (void *) type, which is illegal. Therefore, we need 78 * the cast: (DC(dfs))->dfs_debug_mask. 79 * Example:- 80 * dfs_log(NULL, WLAN_DEBUG_DFS, QDF_TRACE_LEVEL_INFO,"dfs is NULL"); 81 */ 82 #define dfs_log(dfs, sm, level, args...) do { \ 83 if (((dfs) == NULL) || \ 84 ((sm) == WLAN_DEBUG_DFS_ALWAYS) || \ 85 ((sm) & ((DC(dfs))->dfs_debug_mask))) { \ 86 QDF_TRACE(QDF_MODULE_ID_DFS, level, ## args); \ 87 } \ 88 } while (0) 89 90 #define dfs_logfl(dfs, level, sm, format, args...) \ 91 dfs_log(dfs, sm, level, FLSM(format, sm), ## args) 92 93 #define dfs_alert(dfs, sm, format, args...) \ 94 dfs_logfl(dfs, QDF_TRACE_LEVEL_FATAL, sm, format, ## args) 95 96 #define dfs_err(dfs, sm, format, args...) \ 97 dfs_logfl(dfs, QDF_TRACE_LEVEL_ERROR, sm, format, ## args) 98 99 #define dfs_warn(dfs, sm, format, args...) \ 100 dfs_logfl(dfs, QDF_TRACE_LEVEL_WARN, sm, format, ## args) 101 102 #define dfs_info(dfs, sm, format, args...) \ 103 dfs_logfl(dfs, QDF_TRACE_LEVEL_INFO, sm, format, ## args) 104 105 #define dfs_debug(dfs, sm, format, args...) \ 106 dfs_logfl(dfs, QDF_TRACE_LEVEL_DEBUG, sm, format, ## args) 107 108 #define DFS_MIN(a, b) ((a) < (b)?(a):(b)) 109 #define DFS_MAX(a, b) ((a) > (b)?(a) : (b)) 110 #define DFS_DIFF(a, b)(DFS_MAX(a, b) - DFS_MIN(a, b)) 111 112 /** 113 * Maximum number of radar events to be processed in a single iteration. 114 * Allows soft watchdog to run. 115 */ 116 #define MAX_EVENTS 100 117 118 /** 119 * Constants to use for chirping detection. 120 * 121 * All are unconverted as HW reports them. 122 * 123 * XXX Are these constants with or without fast clock 5GHz operation? 124 * XXX Peregrine reports pulses in microseconds, not hardware clocks! 125 */ 126 127 #define MAX_DUR_FOR_LOW_RSSI 4 128 129 /** 130 * Cascade has issue with reported duration especially when there is a 131 * crossover of chirp from one segment to another. It may report a value 132 * of duration that is well below 50us for a valid FCC type 5 chirping 133 * pulse. For now changing minimum duration as a work around. This will 134 * affect all chips but since we detect chirp with Merlin+, we may be OK 135 * for now. We need a more robust solution for this. 136 */ 137 #define MIN_BIN5_DUR_CAS 25 /* 50 * 1.25*/ 138 #define MIN_BIN5_DUR_MICROSEC_CAS 20 139 #define MIN_BIN5_DUR 63 /* 50 * 1.25*/ 140 #define MIN_BIN5_DUR_MICROSEC 50 141 #define MAYBE_BIN5_DUR 35 /* 28 * 1.25*/ 142 #define MAYBE_BIN5_DUR_MICROSEC 28 143 144 /* Conversion is already done using dfs->dur_multiplier */ 145 #define MAX_BIN5_DUR 145 /* use 145 for osprey */ 146 #define MAX_BIN5_DUR_MICROSEC 105 147 148 #define DFS_MARGIN_EQUAL(a, b, margin) ((DFS_DIFF(a, b)) <= margin) 149 #define DFS_MAX_STAGGERED_BURSTS 3 150 151 /** 152 * All filter thresholds in the radar filter tables are effective at a 50% 153 * channel loading. 154 */ 155 #define DFS_CHAN_LOADING_THRESH 50 156 #define DFS_EXT_CHAN_LOADING_THRESH 30 157 #define DFS_DEFAULT_PRI_MARGIN 6 158 #define DFS_DEFAULT_FIXEDPATTERN_PRI_MARGIN 4 159 160 #define WLAN_DFSQ_LOCK(_dfs) qdf_spin_lock_bh(&(_dfs)->dfs_radarqlock) 161 #define WLAN_DFSQ_UNLOCK(_dfs) qdf_spin_unlock_bh(&(_dfs)->dfs_radarqlock) 162 #define WLAN_DFSQ_LOCK_CREATE(_dfs) qdf_spinlock_create( \ 163 &(_dfs)->dfs_radarqlock) 164 #define WLAN_DFSQ_LOCK_DESTROY(_dfs) qdf_spinlock_destroy( \ 165 &(_dfs)->dfs_radarqlock) 166 167 #define WLAN_ARQ_LOCK(_dfs) qdf_spin_lock_bh(&(_dfs)->dfs_arqlock) 168 #define WLAN_ARQ_UNLOCK(_dfs) qdf_spin_unlock_bh(&(_dfs)->dfs_arqlock) 169 #define WLAN_ARQ_LOCK_CREATE(_dfs) qdf_spinlock_create(&(_dfs)->dfs_arqlock) 170 #define WLAN_ARQ_LOCK_DESTROY(_dfs) qdf_spinlock_destroy(&(_dfs)->dfs_arqlock) 171 172 #define WLAN_DFSEVENTQ_LOCK(_dfs) qdf_spin_lock_bh(&(_dfs)->dfs_eventqlock) 173 #define WLAN_DFSEVENTQ_UNLOCK(_dfs) qdf_spin_unlock_bh( \ 174 &(_dfs)->dfs_eventqlock) 175 #define WLAN_DFSEVENTQ_LOCK_CREATE(_dfs) qdf_spinlock_create( \ 176 &(_dfs)->dfs_eventqlock) 177 #define WLAN_DFSEVENTQ_LOCK_DESTROY(_dfs) qdf_spinlock_destroy( \ 178 &(_dfs)->dfs_eventqlock) 179 180 #define WLAN_DFSNOL_LOCK(_dfs) qdf_spin_lock_bh(&(_dfs)->dfs_nol_lock) 181 #define WLAN_DFSNOL_UNLOCK(_dfs) qdf_spin_unlock_bh(&(_dfs)->dfs_nol_lock) 182 #define WLAN_DFSNOL_LOCK_CREATE(_dfs) qdf_spinlock_create( \ 183 &(_dfs)->dfs_nol_lock) 184 #define WLAN_DFSNOL_LOCK_DESTROY(_dfs) qdf_spinlock_destroy( \ 185 &(_dfs)->dfs_nol_lock) 186 187 #define PRECAC_LIST_LOCK(_dfs) qdf_spin_lock_irqsave( \ 188 &(_dfs)->dfs_precac_lock) 189 #define PRECAC_LIST_UNLOCK(_dfs) qdf_spin_unlock_irqrestore( \ 190 &(_dfs)->dfs_precac_lock) 191 #define PRECAC_LIST_LOCK_CREATE(_dfs) qdf_spinlock_create( \ 192 &(_dfs)->dfs_precac_lock) 193 #define PRECAC_LIST_LOCK_DESTROY(_dfs) qdf_spinlock_destroy( \ 194 &(_dfs)->dfs_precac_lock) 195 196 #define WLAN_DFS_DATA_STRUCT_LOCK(_dfs) \ 197 qdf_spin_lock_bh(&(_dfs)->dfs_data_struct_lock) 198 #define WLAN_DFS_DATA_STRUCT_UNLOCK(_dfs) \ 199 qdf_spin_unlock_bh(&(_dfs)->dfs_data_struct_lock) 200 #define WLAN_DFS_DATA_STRUCT_LOCK_CREATE(_dfs) \ 201 qdf_spinlock_create(&(_dfs)->dfs_data_struct_lock) 202 #define WLAN_DFS_DATA_STRUCT_LOCK_DESTROY(_dfs) \ 203 qdf_spinlock_destroy(&(_dfs)->dfs_data_struct_lock) 204 205 /* Wrappers to call MLME radar during mode switch lock. */ 206 #define DFS_RADAR_MODE_SWITCH_LOCK(_dfs) \ 207 dfs_mlme_acquire_radar_mode_switch_lock((_dfs)->dfs_pdev_obj) 208 #define DFS_RADAR_MODE_SWITCH_UNLOCK(_dfs) \ 209 dfs_mlme_release_radar_mode_switch_lock((_dfs)->dfs_pdev_obj) 210 211 /* Mask for time stamp from descriptor */ 212 #define DFS_TSMASK 0xFFFFFFFF 213 /* Shift for time stamp from descriptor */ 214 #define DFS_TSSHIFT 32 215 /* 64 bit TSF wrap value */ 216 #define DFS_TSF_WRAP 0xFFFFFFFFFFFFFFFFULL 217 /* TS mask for 64 bit value */ 218 #define DFS_64BIT_TSFMASK 0x0000000000007FFFULL 219 220 #define DFS_AR_RADAR_RSSI_THR 5 /* in dB */ 221 #define DFS_AR_RADAR_RESET_INT 1 /* in secs */ 222 #define DFS_AR_RADAR_MAX_HISTORY 500 223 #define DFS_AR_REGION_WIDTH 128 224 #define DFS_AR_RSSI_THRESH_STRONG_PKTS 17 /* in dB */ 225 #define DFS_AR_RSSI_DOUBLE_THRESHOLD 15 /* in dB */ 226 #define DFS_AR_MAX_NUM_ACK_REGIONS 9 227 #define DFS_AR_ACK_DETECT_PAR_THRESH 20 228 #define DFS_AR_PKT_COUNT_THRESH 20 229 230 #define DFS_MAX_DL_SIZE 64 231 #define DFS_MAX_DL_MASK 0x3F 232 233 #define DFS_NOL_TIME DFS_NOL_TIMEOUT_US 234 /* 30 minutes in usecs */ 235 236 #define DFS_WAIT_TIME (60*1000000) /* 1 minute in usecs */ 237 238 #define DFS_DISABLE_TIME (3*60*1000000) /* 3 minutes in usecs */ 239 240 #define DFS_MAX_B5_SIZE 128 241 #define DFS_MAX_B5_MASK 0x0000007F /* 128 */ 242 243 /* Max number of overlapping filters */ 244 #define DFS_MAX_RADAR_OVERLAP 16 245 246 /* Max number of dfs events which can be q'd */ 247 #define DFS_MAX_EVENTS 1024 248 249 #define DFS_RADAR_EN 0x80000000 /* Radar detect is capable */ 250 #define DFS_AR_EN 0x40000000 /* AR detect is capable */ 251 /* Radar detect in second segment is capable */ 252 #define DFS_SECOND_SEGMENT_RADAR_EN 0x20000000 253 #define DFS_MAX_RSSI_VALUE 0x7fffffff /* Max rssi value */ 254 255 #define DFS_BIN_MAX_PULSES 60 /* max num of pulses in a burst */ 256 #define DFS_BIN5_PRI_LOWER_LIMIT 990 /* us */ 257 258 /** 259 * To cover the single pusle burst case, change from 2010 us to 260 * 2010000 us. 261 */ 262 263 /** 264 * This is reverted back to 2010 as larger value causes false 265 * bin5 detect (EV76432, EV76320) 266 */ 267 #define DFS_BIN5_PRI_HIGHER_LIMIT 2010 /* us */ 268 269 #define DFS_BIN5_WIDTH_MARGIN 4 /* us */ 270 #define DFS_BIN5_RSSI_MARGIN 5 /* dBm */ 271 272 /** 273 * Following threshold is not specified but should be 274 * okay statistically. 275 */ 276 #define DFS_BIN5_BRI_LOWER_LIMIT 300000 /* us */ 277 #define DFS_BIN5_BRI_UPPER_LIMIT 12000000 /* us */ 278 279 /* Max number of pulses kept in buffer */ 280 #define DFS_MAX_PULSE_BUFFER_SIZE 1024 281 #define DFS_MAX_PULSE_BUFFER_MASK 0x3ff 282 283 #define DFS_FAST_CLOCK_MULTIPLIER (800/11) 284 #define DFS_NO_FAST_CLOCK_MULTIPLIER (80) 285 #define DFS_BIG_SIDX 10000 286 287 /* Min value of valid psidx diff */ 288 #define DFS_MIN_PSIDX_DIFF 4 289 /* Max value of valid psidx diff */ 290 #define DFS_MAX_PSIDX_DIFF 16 291 292 /** 293 * Software use: channel interference used for as AR as well as RADAR 294 * interference detection. 295 */ 296 #define CHANNEL_INTERFERENCE 0x01 297 298 /* qdf_packed - denotes structure is packed. */ 299 #define qdf_packed __qdf_packed 300 301 #define SEG_ID_PRIMARY 0 302 #define SEG_ID_SECONDARY 1 303 304 /* MIN and MAX width for different regions */ 305 #define REG0_MIN_WIDTH 33 306 #define REG0_MAX_WIDTH 38 307 #define REG1_MIN_WIDTH 39 308 #define REG1_MAX_WIDTH 44 309 #define REG2_MIN_WIDTH 53 310 #define REG2_MAX_WIDTH 58 311 #define REG3_MIN_WIDTH 126 312 #define REG3_MAX_WIDTH 140 313 #define REG4_MIN_WIDTH 141 314 #define REG4_MAX_WIDTH 160 315 #define REG5_MIN_WIDTH 189 316 #define REG5_MAX_WIDTH 210 317 #define REG6_MIN_WIDTH 360 318 #define REG6_MAX_WIDTH 380 319 #define REG7_MIN_WIDTH 257 320 #define REG7_MAX_WIDTH 270 321 #define REG8_MIN_WIDTH 295 322 #define REG8_MAX_WIDTH 302 323 324 #define OVER_SAMPLING_FREQ 44000 325 #define SAMPLING_FREQ 40000 326 #define HUNDRED 100 327 #define NUM_BINS 128 328 #define THOUSAND 1000 329 330 /* Array offset to ETSI legacy pulse */ 331 #define ETSI_LEGACY_PULSE_ARR_OFFSET 4 332 333 #define ETSI_RADAR_EN302_502_FREQ_LOWER 5725 334 #define ETSI_RADAR_EN302_502_FREQ_UPPER 5865 335 336 #define DFS_NOL_ADD_CHAN_LOCKED(dfs, freq, timeout) \ 337 do { \ 338 WLAN_DFSNOL_LOCK(dfs); \ 339 dfs_nol_addchan(dfs, freq, timeout); \ 340 WLAN_DFSNOL_UNLOCK(dfs); \ 341 } while (0) 342 343 /* 344 * Free the NOL element in a thread. This is to avoid freeing the 345 * timer object from within timer callback function . The nol element 346 * contains the timer Object. 347 */ 348 #define DFS_NOL_DELETE_CHAN_LOCKED(dfs, freq, chwidth) \ 349 do { \ 350 WLAN_DFSNOL_LOCK(dfs); \ 351 dfs_nol_delete(dfs, freq, chwidth); \ 352 qdf_sched_work(NULL, &dfs->dfs_nol_elem_free_work); \ 353 WLAN_DFSNOL_UNLOCK(dfs); \ 354 } while (0) 355 356 #define DFS_GET_NOL_LOCKED(dfs, dfs_nol, nchan) \ 357 do { \ 358 WLAN_DFSNOL_LOCK(dfs); \ 359 dfs_get_nol(dfs, dfs_nol, nchan); \ 360 WLAN_DFSNOL_UNLOCK(dfs); \ 361 } while (0) 362 363 #define DFS_PRINT_NOL_LOCKED(dfs) \ 364 do { \ 365 WLAN_DFSNOL_LOCK(dfs); \ 366 dfs_print_nol(dfs); \ 367 WLAN_DFSNOL_UNLOCK(dfs); \ 368 } while (0) 369 370 #define DFS_NOL_FREE_LIST_LOCKED(dfs) \ 371 do { \ 372 WLAN_DFSNOL_LOCK(dfs); \ 373 dfs_nol_free_list(dfs); \ 374 WLAN_DFSNOL_UNLOCK(dfs); \ 375 } while (0) 376 377 /* Host sends the average parameters of the radar pulses and starts the status 378 * wait timer with this timeout. 379 */ 380 #if defined(WLAN_DFS_PARTIAL_OFFLOAD) && defined(HOST_DFS_SPOOF_TEST) 381 #define HOST_DFS_STATUS_WAIT_TIMER_MS 350 382 #endif 383 384 /* 385 * USENOL_DISABLE_NOL_HOST_AND_FW : Do not add radar hit channel to NOL 386 * in host and FW. Enable CSA on the same channel. 387 */ 388 #define USENOL_DISABLE_NOL_HOST_AND_FW 0 389 /* 390 * USENOL_ENABLE_NOL_HOST_AND_FW : Add the radar hit channel to NOL in 391 * host and FW (in case of FO). NOL timer cannot be configured by the user 392 * as FW does not allow manipulating NOL timeout. If noltimeout is configured, 393 * (say 1 min) FW will not be intimated about the configuration and hence NOL 394 * timer may elapse at different instances in host (after 1 min) and FW (after 395 * default 30 min) which could lead to DFS Violation if host tries to come up 396 * on the channel after host NOL timeout (of 1 min) as the FW would still 397 * have the channel in NOL list. 398 */ 399 #define USENOL_ENABLE_NOL_HOST_AND_FW 1 400 /* 401 * USENOL_ENABLE_NOL_HOST_DISABLE_NOL_FW : Add the radar hit channel to NOL 402 * in host. NOL timer can be configured by user. NOL in FW (for FO) is disabled. 403 */ 404 #define USENOL_ENABLE_NOL_HOST_DISABLE_NOL_FW 2 405 406 /** 407 * enum detector_id - Detector ID values. 408 * @DETECTOR_ID_0: Detector ID 0 (Non Agile). 409 * @DETECTOR_ID_1: Detector ID 1 (Non Agile in 80p80MHz supported devices, 410 * Agile detector in true 160MHz supported devices). 411 * @DETECTOR_ID_2: Detector ID 2 (Agile detector in 80p80MHZ supported devices). 412 * @AGILE_DETECTOR_ID_TRUE_160MHZ: Agile detector ID in true 160MHz devices. 413 * @AGILE_DETECTOR_11BE: Agile detector ID in true 320 MHz devices. 414 * @AGILE_DETECTOR_ID_80p80: Agile detector ID in 80p80MHz supported devices. 415 * @INVALID_DETECTOR_ID: Invalid detector id. 416 */ 417 enum detector_id { 418 DETECTOR_ID_0, 419 DETECTOR_ID_1, 420 DETECTOR_ID_2, 421 AGILE_DETECTOR_ID_TRUE_160MHZ = DETECTOR_ID_1, 422 AGILE_DETECTOR_11BE = DETECTOR_ID_1, 423 AGILE_DETECTOR_ID_80P80 = DETECTOR_ID_2, 424 INVALID_DETECTOR_ID, 425 }; 426 427 /** 428 * struct dfs_pulseparams - DFS pulse param structure. 429 * @p_time: Time for start of pulse in usecs. 430 * @p_dur: Duration of pulse in usecs. 431 * @p_rssi: RSSI of pulse. 432 * @p_seg_id: Segment id. 433 * @p_sidx: Sidx value. 434 * @p_delta_peak: Delta peak value. 435 * @p_psidx_diff: The difference in the FFT peak index between the short FFT 436 * and the first long FFT. 437 * @p_seq_num: Sequence number. 438 */ 439 struct dfs_pulseparams { 440 uint64_t p_time; 441 uint8_t p_dur; 442 uint8_t p_rssi; 443 uint8_t p_seg_id; 444 int16_t p_sidx; 445 int8_t p_delta_peak; 446 int16_t p_psidx_diff; 447 uint32_t p_seq_num; 448 } qdf_packed; 449 450 /** 451 * struct dfs_pulseline - Pulseline structure. 452 * @pl_elems[]: array of pulses in delay line. 453 * @pl_firstelem: Index of the first element. 454 * @pl_lastelem: Index of the last element. 455 * @pl_numelems: Number of elements in the delay line. 456 */ 457 struct dfs_pulseline { 458 struct dfs_pulseparams pl_elems[DFS_MAX_PULSE_BUFFER_SIZE]; 459 uint32_t pl_firstelem; 460 uint32_t pl_lastelem; 461 uint32_t pl_numelems; 462 } qdf_packed; 463 464 #define DFS_EVENT_CHECKCHIRP 0x01 /* Whether to check the chirp flag */ 465 #define DFS_EVENT_HW_CHIRP 0x02 /* hardware chirp */ 466 #define DFS_EVENT_SW_CHIRP 0x04 /* software chirp */ 467 /* Whether the event contains valid psidx diff value*/ 468 #define DFS_EVENT_VALID_PSIDX_DIFF 0x08 469 470 /* Use this only if the event has CHECKCHIRP set. */ 471 #define DFS_EVENT_ISCHIRP(e) \ 472 ((e)->re_flags & (DFS_EVENT_HW_CHIRP | DFS_EVENT_SW_CHIRP)) 473 474 /** 475 * Check if the given event is to be rejected as not possibly 476 * a chirp. This means: 477 * (a) it's a hardware or software checked chirp, and 478 * (b) the HW/SW chirp bits are both 0. 479 */ 480 #define DFS_EVENT_NOTCHIRP(e) \ 481 (((e)->re_flags & (DFS_EVENT_CHECKCHIRP)) && (!DFS_EVENT_ISCHIRP((e)))) 482 483 /** 484 * struct dfs_event - DFS event structure. 485 * @re_full_ts: 64-bit full timestamp from interrupt time. 486 * @re_ts: Original 15 bit recv timestamp. 487 * @re_rssi: Rssi of radar event. 488 * @re_dur: Duration of radar pulse. 489 * @re_chanindex: Channel of event. 490 * @re_flags: Event flags. 491 * @re_freq: Centre frequency of event, KHz. 492 * @re_freq_lo: Lower bounds of frequency, KHz. 493 * @re_freq_hi: Upper bounds of frequency, KHz. 494 * @re_seg_id: HT80_80/HT160 use. 495 * @re_sidx: Seg index. 496 * @re_freq_offset_khz: Freq offset in KHz 497 * @re_peak_mag: Peak mag. 498 * @re_total_gain: Total gain. 499 * @re_mb_gain: Mb gain. 500 * @re_relpwr_db: Relpower in db. 501 * @re_delta_diff: Delta diff. 502 * @re_delta_peak: Delta peak. 503 * @re_psidx_diff: Psidx diff. 504 * @re_list: List of radar events. 505 */ 506 struct dfs_event { 507 uint64_t re_full_ts; 508 uint32_t re_ts; 509 uint8_t re_rssi; 510 uint8_t re_dur; 511 uint8_t re_chanindex; 512 uint8_t re_flags; 513 uint32_t re_freq; 514 uint32_t re_freq_lo; 515 uint32_t re_freq_hi; 516 uint8_t re_seg_id; 517 int re_sidx; 518 u_int re_freq_offset_khz; 519 int re_peak_mag; 520 int re_total_gain; 521 int re_mb_gain; 522 int re_relpwr_db; 523 uint8_t re_delta_diff; 524 int8_t re_delta_peak; 525 int16_t re_psidx_diff; 526 527 STAILQ_ENTRY(dfs_event) re_list; 528 } qdf_packed; 529 530 #define DFS_AR_MAX_ACK_RADAR_DUR 511 531 #define DFS_AR_MAX_NUM_PEAKS 3 532 #define DFS_AR_ARQ_SIZE 2048 /* 8K AR events for buffer size */ 533 #define DFS_AR_ARQ_SEQSIZE 2049 /* Sequence counter wrap for AR */ 534 535 #define DFS_RADARQ_SIZE 512 /* 1K radar events for buffer size */ 536 #define DFS_RADARQ_SEQSIZE 513 /* Sequence counter wrap for radar */ 537 /* Number of radar channels we keep state for */ 538 #define DFS_NUM_RADAR_STATES 64 539 /* Max number radar filters for each type */ 540 #define DFS_MAX_NUM_RADAR_FILTERS 10 541 /* Number of different radar types */ 542 #define DFS_MAX_RADAR_TYPES 32 543 /* Number of filter index table rows */ 544 #define DFS_NUM_FT_IDX_TBL_ROWS 256 545 546 /* RADAR filter pattern type 1*/ 547 #define WLAN_DFS_RF_PATTERN_TYPE_1 1 548 549 /** 550 * struct dfs_ar_state - DFS AR state structure. 551 * @ar_prevwidth: Previous width. 552 * @ar_phyerrcount[]: Phy error count. 553 * @ar_acksum: Acksum. 554 * @ar_packetthreshold: Thresh to determine traffic load. 555 * @ar_parthreshold: Thresh to determine peak. 556 * @ar_radarrssi: Rssi threshold for AR event. 557 * @ar_prevtimestamp: Prev time stamp. 558 * @ar_peaklist[]: Peak list. 559 */ 560 struct dfs_ar_state { 561 uint32_t ar_prevwidth; 562 uint32_t ar_phyerrcount[DFS_AR_MAX_ACK_RADAR_DUR]; 563 uint32_t ar_acksum; 564 uint32_t ar_packetthreshold; 565 uint32_t ar_parthreshold; 566 uint32_t ar_radarrssi; 567 uint16_t ar_prevtimestamp; 568 uint16_t ar_peaklist[DFS_AR_MAX_NUM_PEAKS]; 569 }; 570 571 /** 572 * struct dfs_delayelem - Delay Element. 573 * @de_time: Current "filter" time for start of pulse in usecs. 574 * @de_dur: Duration of pulse in usecs. 575 * @de_rssi: Rssi of pulse in dB. 576 * @de_ts: Time stamp for this delay element. 577 * @de_seg_id: Segment id for HT80_80/HT160 use. 578 * @de_sidx: Sidx value. 579 * @de_delta_peak: Delta peak. 580 * @de_psidx_diff: Psidx diff. 581 * @de_seq_num: Sequence number. 582 */ 583 struct dfs_delayelem { 584 uint32_t de_time; 585 uint8_t de_dur; 586 uint8_t de_rssi; 587 uint64_t de_ts; 588 uint8_t de_seg_id; 589 int16_t de_sidx; 590 int8_t de_delta_peak; 591 int16_t de_psidx_diff; 592 uint32_t de_seq_num; 593 } qdf_packed; 594 595 /** 596 * struct dfs_delayline - DFS Delay Line. 597 * @dl_elems[]: Array of pulses in delay line. 598 * @dl_last_ts: Last timestamp the delay line was used (in usecs). 599 * @dl_firstelem: Index of the first element. 600 * @dl_lastelem: Index of the last element. 601 * @dl_numelems: Number of elements in the delay line. 602 * The following is to handle fractional PRI pulses that can cause false 603 * detection. 604 * @dl_seq_num_start: Sequence number of first pulse that was part of 605 * threshold match. 606 * @dl_seq_num_stop: Sequence number of last pulse that was part of threshold 607 * match. 608 * The following is required because the first pulse may or may not be in the 609 * delay line but we will find it iin the pulse line using dl_seq_num_second's 610 * diff_ts value. 611 * @dl_seq_num_second: Sequence number of second pulse that was part of 612 * threshold match. 613 * @dl_search_pri: We need final search PRI to identify possible fractional 614 * PRI issue. 615 * @dl_min_sidx: Minimum sidx value of pulses used to match thershold. 616 * Used for sidx spread check. 617 * @dl_max_sidx: Maximum sidx value of pulses used to match thershold. 618 * Used for sidx spread check. 619 * @dl_delta_peak_match_count: Number of pulse in the delay line that had valid 620 * delta peak value. 621 * @dl_psidx_diff_match_count: Number of pulse in the delay line that had valid 622 * psidx diff value. 623 */ 624 struct dfs_delayline { 625 struct dfs_delayelem dl_elems[DFS_MAX_DL_SIZE]; 626 uint64_t dl_last_ts; 627 uint32_t dl_firstelem; 628 uint32_t dl_lastelem; 629 uint32_t dl_numelems; 630 uint32_t dl_seq_num_start; 631 uint32_t dl_seq_num_stop; 632 uint32_t dl_seq_num_second; 633 uint32_t dl_search_pri; 634 int16_t dl_min_sidx; 635 int8_t dl_max_sidx; 636 uint8_t dl_delta_peak_match_count; 637 uint8_t dl_psidx_diff_match_count; 638 } qdf_packed; 639 640 /** 641 * struct dfs_filter - Dfs filter. 642 * @rf_dl: Delay line of pulses for this filter. 643 * @rf_numpulses: Number of pulses in the filter. 644 * @rf_minpri: Min pri to be considered for this filter. 645 * @rf_maxpri: Max pri to be considered for this filter. 646 * @rf_threshold: Match filter output threshold for radar detect. 647 * @rf_filterlen: Length (in usecs) of the filter. 648 * @rf_patterntype: Fixed or variable pattern type. 649 * @rf_fixed_pri_radar_pulse: indicates if it is a fixed pri pulse. 650 * @rf_mindur: Min duration for this radar filter. 651 * @rf_maxdur: Max duration for this radar filter. 652 * @rf_ignore_pri_window: Ignore pri window. 653 * @rf_pulseid: Unique ID corresponding to the original filter ID. 654 * To reduce false detection, look at frequency spread. For now we will use 655 * sidx spread. But for HT160 frequency spread will be a better measure. 656 * @rf_sidx_spread: Maximum SIDX value spread in a matched sequence 657 * excluding FCC Bin 5. 658 * @rf_check_delta_peak: Minimum allowed delta_peak value for a pulse to be 659 * considetred for this filter's match. 660 */ 661 struct dfs_filter { 662 struct dfs_delayline rf_dl; 663 uint32_t rf_numpulses; 664 uint32_t rf_minpri; 665 uint32_t rf_maxpri; 666 uint32_t rf_threshold; 667 uint32_t rf_filterlen; 668 uint32_t rf_patterntype; 669 uint32_t rf_fixed_pri_radar_pulse; 670 uint32_t rf_mindur; 671 uint32_t rf_maxdur; 672 uint32_t rf_ignore_pri_window; 673 uint32_t rf_pulseid; 674 uint16_t rf_sidx_spread; 675 int8_t rf_check_delta_peak; 676 } qdf_packed; 677 678 /** 679 * struct dfs_filtertype - Structure of DFS Filter type. 680 * @ft_filters[]: Array of ptrs storing addresses for struct of dfs_filter. 681 * @ft_filterdur: Duration of pulse which specifies filter type. 682 * @ft_numfilters: Num filters of this type. 683 * @ft_last_ts: Last timestamp this filtertype was used (in usecs). 684 * @ft_mindur: Min pulse duration to be considered for this filter type. 685 * @ft_maxdur: Max pulse duration to be considered for this filter type. 686 * @ft_rssithresh: Min rssi to be considered for this filter type. 687 * @ft_numpulses: Num pulses in each filter of this type. 688 * @ft_patterntype: Fixed or variable pattern type. 689 * @ft_minpri: Min pri to be considered for this type. 690 * @ft_rssimargin: Rssi threshold margin. In Turbo Mode HW reports rssi 3dB 691 * lower than in non TURBO mode. This will offset that diff. 692 */ 693 struct dfs_filtertype { 694 struct dfs_filter *ft_filters[DFS_MAX_NUM_RADAR_FILTERS]; 695 uint32_t ft_filterdur; 696 uint32_t ft_numfilters; 697 uint64_t ft_last_ts; 698 uint32_t ft_mindur; 699 uint32_t ft_maxdur; 700 uint32_t ft_rssithresh; 701 uint32_t ft_numpulses; 702 uint32_t ft_patterntype; 703 uint32_t ft_minpri; 704 uint32_t ft_rssimargin; 705 }; 706 707 /** 708 * struct dfs_channel - Channel structure for dfs component. 709 * @dfs_ch_freq: Frequency in Mhz. 710 * @dfs_ch_flags: Channel flags. 711 * @dfs_ch_flagext: Extended channel flags. 712 * @dfs_ch_ieee: IEEE channel number. 713 * @dfs_ch_vhtop_ch_freq_seg1: IEEE Channel Center of primary segment 714 * @dfs_ch_vhtop_ch_freq_seg2: IEEE Channel Center applicable for 80+80MHz 715 * mode of operation. 716 * @dfs_ch_mhz_freq_seg1: Channel center frequency of primary segment in 717 * MHZ. 718 * @dfs_ch_mhz_freq_seg2: Channel center frequency of secondary segment 719 * in MHZ applicable only for 80+80MHZ mode of 720 * operation. 721 * @dfs_ch_punc_pattern: Bitmap representing puncturing patterns. 722 */ 723 struct dfs_channel { 724 uint16_t dfs_ch_freq; 725 uint64_t dfs_ch_flags; 726 uint16_t dfs_ch_flagext; 727 uint8_t dfs_ch_ieee; 728 uint8_t dfs_ch_vhtop_ch_freq_seg1; 729 uint8_t dfs_ch_vhtop_ch_freq_seg2; 730 uint16_t dfs_ch_mhz_freq_seg1; 731 uint16_t dfs_ch_mhz_freq_seg2; 732 #ifdef WLAN_FEATURE_11BE 733 /* If the bitmap is all 0 then nothing is punctured. If any bit is 1 734 * then corresponding 20MHz sub-channel is puntured. For example, for 735 * channel 100 (BW 240MHz), it will treated as a 320MHz channel and the 736 * bit-map will be b1111_0000_0000_0000 (where the most significant bit 737 * indicates the rightmost sub20channel and the least significant bit 738 * indicates the leftmost sub20channel). 739 */ 740 uint16_t dfs_ch_punc_pattern; 741 #endif 742 }; 743 744 /** 745 * struct dfs_state - DFS state. 746 * @rs_chan: Channel info. 747 * @rs_chanindex: Channel index in radar structure. 748 * @rs_numradarevents: Number of radar events. 749 * @rs_param: Phy param. 750 */ 751 struct dfs_state { 752 struct dfs_channel rs_chan; 753 uint8_t rs_chanindex; 754 uint32_t rs_numradarevents; 755 struct wlan_dfs_phyerr_param rs_param; 756 }; 757 758 #define DFS_NOL_TIMEOUT_S (30*60) /* 30 minutes in seconds */ 759 #define DFS_NOL_TIMEOUT_MS (DFS_NOL_TIMEOUT_S * 1000) 760 #define DFS_NOL_TIMEOUT_US (DFS_NOL_TIMEOUT_MS * 1000) 761 762 /** 763 * struct dfs_nolelem - DFS NOL element. 764 * @nol_dfs Back pointer to dfs object. 765 * @nol_freq: Centre frequency. 766 * @nol_chwidth: Event width (MHz). 767 * @nol_start_us: NOL start time in us. 768 * @nol_timeout_ms: NOL timeout value in msec. 769 * @nol_timer: Per element NOL timer. 770 * @nol_next: Next element pointer. 771 */ 772 struct dfs_nolelem { 773 TAILQ_ENTRY(dfs_nolelem) nolelem_list; 774 struct wlan_dfs *nol_dfs; 775 uint32_t nol_freq; 776 uint32_t nol_chwidth; 777 uint64_t nol_start_us; 778 uint32_t nol_timeout_ms; 779 qdf_hrtimer_data_t nol_timer; 780 struct dfs_nolelem *nol_next; 781 }; 782 783 784 /** 785 * struct dfs_info - DFS Info. 786 * @rn_ftindex: Number of different types of radars. 787 * @rn_lastfull_ts: Last 64 bit timstamp from recv interrupt. 788 * @rn_last_ts: last 15 bit ts from recv descriptor. 789 * @rn_last_unique_ts: last unique 32 bit ts from recv descriptor. 790 * @rn_ts_prefix: Prefix to prepend to 15 bit recv ts. 791 * @rn_numbin5radars: Number of bin5 radar pulses to search for. 792 * @rn_fastdivGCval: Value of fast diversity gc limit from init file. 793 * @rn_minrssithresh: Min rssi for all radar types. 794 * @rn_maxpulsedur: Max pulse width in TSF ticks. 795 * @dfs_ext_chan_busy: Ext chan busy. 796 * @ext_chan_busy_ts: Ext chan busy time. 797 * @dfs_bin5_chirp_ts: Ext bin5 chrip time. 798 * @dfs_last_bin5_dur: Last bin5 during. 799 */ 800 struct dfs_info { 801 uint32_t rn_ftindex; 802 uint64_t rn_lastfull_ts; 803 uint16_t rn_last_ts; 804 uint32_t rn_last_unique_ts; 805 uint64_t rn_ts_prefix; 806 uint32_t rn_numbin5radars; 807 uint32_t rn_fastdivGCval; 808 int32_t rn_minrssithresh; 809 uint32_t rn_maxpulsedur; 810 uint8_t dfs_ext_chan_busy; 811 uint64_t ext_chan_busy_ts; 812 uint64_t dfs_bin5_chirp_ts; 813 uint8_t dfs_last_bin5_dur; 814 } qdf_packed; 815 816 /** 817 * struct dfs_bin5elem - BIN5 elements. 818 * @be_ts: Timestamp for the bin5 element. 819 * @be_rssi: Rssi for the bin5 element. 820 * @be_dur: Duration of bin5 element. 821 */ 822 struct dfs_bin5elem { 823 uint64_t be_ts; 824 uint32_t be_rssi; 825 uint32_t be_dur; 826 }; 827 828 /** 829 * struct dfs_bin5radars - BIN5 radars. 830 * @br_elems[]: List of bin5 elems that fall within the time window. 831 * @br_firstelem: Index of the first element. 832 * @br_lastelem: Index of the last element. 833 * @br_numelems: Number of elements in the delay line. 834 * @br_pulse: Original info about bin5 pulse. 835 */ 836 struct dfs_bin5radars { 837 struct dfs_bin5elem br_elems[DFS_MAX_B5_SIZE]; 838 uint32_t br_firstelem; 839 uint32_t br_lastelem; 840 uint32_t br_numelems; 841 struct dfs_bin5pulse br_pulse; 842 }; 843 844 /** 845 * struct dfs_stats - DFS stats. 846 * @num_radar_detects: Total num. of radar detects. 847 * @num_seg_two_radar_detects: Total num. of radar detected in secondary segment 848 * @total_phy_errors: Total PHY errors. 849 * @owl_phy_errors: OWL PHY errors. 850 * @pri_phy_errors: Primary channel phy errors. 851 * @ext_phy_errors: Extension channel phy errors. 852 * @dc_phy_errors: DC PHY errors. 853 * @early_ext_phy_errors: Extension channel early radar found error. 854 * @bwinfo_errors: Bogus bandwidth info received in descriptor. 855 * @datalen_discards: data length at least three bytes of payload. 856 * @rssi_discards: RSSI is not accurate. 857 * @last_reset_tstamp: Last reset timestamp. 858 */ 859 struct dfs_stats { 860 uint32_t num_radar_detects; 861 uint32_t num_seg_two_radar_detects; 862 uint32_t total_phy_errors; 863 uint32_t owl_phy_errors; 864 uint32_t pri_phy_errors; 865 uint32_t ext_phy_errors; 866 uint32_t dc_phy_errors; 867 uint32_t early_ext_phy_errors; 868 uint32_t bwinfo_errors; 869 uint32_t datalen_discards; 870 uint32_t rssi_discards; 871 uint64_t last_reset_tstamp; 872 }; 873 874 #define DFS_EVENT_LOG_SIZE 256 875 876 /** 877 * struct dfs_event_log - DFS event log. 878 * @ts: 64-bit full timestamp from interrupt time. 879 * @diff_ts: Diff timestamp. 880 * @rssi: Rssi of radar event. 881 * @dur: Duration of radar pulse. 882 * @is_chirp: Chirp flag. 883 * @seg_id: HT80_80/HT160 use. 884 * @sidx: Seg index. 885 * @freq_offset_khz: Freq offset in KHz 886 * @peak_mag: Peak mag. 887 * @total_gain: Total gain. 888 * @mb_gain: Mb gain. 889 * @relpwr_db: Relpower in db. 890 * @delta_diff: Delta diff. 891 * @delta_peak: Delta peak. 892 * @psidx_diff: Psidx diff. 893 */ 894 895 struct dfs_event_log { 896 uint64_t ts; 897 uint32_t diff_ts; 898 uint8_t rssi; 899 uint8_t dur; 900 int is_chirp; 901 uint8_t seg_id; 902 int sidx; 903 u_int freq_offset_khz; 904 int peak_mag; 905 int total_gain; 906 int mb_gain; 907 int relpwr_db; 908 uint8_t delta_diff; 909 int8_t delta_peak; 910 int16_t psidx_diff; 911 }; 912 913 #define WLAN_DFS_WEATHER_CHANNEL_WAIT_MIN 10 /*10 minutes*/ 914 #define WLAN_DFS_WEATHER_CHANNEL_WAIT_S (WLAN_DFS_WEATHER_CHANNEL_WAIT_MIN * 60) 915 #define WLAN_DFS_WEATHER_CHANNEL_WAIT_MS \ 916 ((WLAN_DFS_WEATHER_CHANNEL_WAIT_S) * 1000) /*in MS*/ 917 918 #define WLAN_DFS_WAIT_POLL_PERIOD 2 /* 2 seconds */ 919 #define WLAN_DFS_WAIT_POLL_PERIOD_MS \ 920 ((WLAN_DFS_WAIT_POLL_PERIOD) * 1000) /*in MS*/ 921 922 #define DFS_DEBUG_TIMEOUT_S 30 /* debug timeout is 30 seconds */ 923 #define DFS_DEBUG_TIMEOUT_MS (DFS_DEBUG_TIMEOUT_S * 1000) 924 925 #define RSSI_POSSIBLY_FALSE 50 926 #define SEARCH_FFT_REPORT_PEAK_MAG_THRSH 40 927 928 #define MIN_DFS_SUBCHAN_BW 20 /* Minimum bandwidth of each subchannel. */ 929 930 #define FREQ_OFFSET_BOUNDARY_FOR_80MHZ 40 931 932 #define FREQ_OFFSET_BOUNDARY_FOR_160MHZ 80 933 934 /** 935 * struct dfs_mode_switch_defer_params - Parameters storing DFS information 936 * before defer, as part of HW mode switch. 937 * 938 * @radar_params: Deferred radar parameters. 939 * @is_cac_completed: Boolean representing CAC completion event. 940 * @is_radar_detected: Boolean representing radar event. 941 */ 942 struct dfs_mode_switch_defer_params { 943 struct radar_found_info *radar_params; 944 bool is_cac_completed; 945 bool is_radar_detected; 946 }; 947 948 #ifdef QCA_SUPPORT_AGILE_DFS 949 #define DFS_PSOC_NO_IDX 0xFF 950 /** 951 * enum dfs_agile_sm_state - DFS AGILE SM states. 952 * @DFS_AGILE_S_INIT: Default state or the start state of the Agile SM. 953 * @DFS_AGILE_S_RUNNING: Agile Engine is being run. 954 * @DFS_AGILE_S_COMPLETE: The Agile Engine's minimum run is complete. 955 However, it is still running. Used only for RCAC 956 as RCAC needs to run continuously (uninterrupted) 957 until the channel change. 958 * @DFS_AGILE_S_MAX: Max (invalid) state. 959 */ 960 enum dfs_agile_sm_state { 961 DFS_AGILE_S_INIT, 962 DFS_AGILE_S_RUNNING, 963 DFS_AGILE_S_COMPLETE, 964 DFS_AGILE_S_MAX, 965 }; 966 967 /** 968 * struct dfs_rcac_params - DFS Rolling CAC channel parameters. 969 * @rcac_pri_freq: Rolling CAC channel's primary frequency. 970 * @rcac_ch_params: Rolling CAC channel parameters. 971 */ 972 struct dfs_rcac_params { 973 qdf_freq_t rcac_pri_freq; 974 struct ch_params rcac_ch_params; 975 }; 976 #endif 977 978 /** 979 * struct wlan_dfs - The main dfs structure. 980 * @dfs_debug_mask: Current debug bitmask. 981 * @dfs_curchan_radindex: Current channel radar index. 982 * @dfs_extchan_radindex: Extension channel radar index. 983 * @dfsdomain: Current DFS domain. 984 * @dfs_proc_phyerr: Flags for Phy Errs to process. 985 * @dfs_eventq: Q of free dfs event objects. 986 * @dfs_eventqlock: Lock for free dfs event list. 987 * @dfs_radarq: Q of radar events. 988 * @dfs_radarqlock: Lock for dfs q. 989 * @dfs_arq: Q of AR events. 990 * @dfs_arqlock: Lock for AR q. 991 * @dfs_ar_state: AR state. 992 * @dfs_radar[]: Per-Channel Radar detector state. 993 * @dfs_radarf[]: One filter for each radar pulse type. 994 * @dfs_rinfo: State vars for radar processing. 995 * @dfs_b5radars: Array of bin5 radar events. 996 * @dfs_ftindextable: Map of radar durs to filter types. 997 * @dfs_nol: Non occupancy list for radar. 998 * @dfs_nol_count: How many items? 999 * @dfs_defaultparams: Default phy params per radar state. 1000 * @wlan_dfs_stats: DFS related stats. 1001 * @pulses: Pulse history. 1002 * @events: Events structure. 1003 * @wlan_radar_tasksched: Radar task is scheduled. 1004 * @wlan_dfswait: Waiting on channel for radar detect. 1005 * @wlan_dfstest: Test timer in progress. 1006 * @dfs_caps: Object of wlan_dfs_caps structure. 1007 * @wlan_dfstest_ieeechan: IEEE chan num to return to after a dfs mute 1008 * test. 1009 * @wlan_dfs_cac_time: CAC period. 1010 * @wlan_dfstesttime: Time to stay off chan during dfs test. 1011 * @wlan_dfstesttimer: Dfs mute test timer. 1012 * @dfs_bangradar_type: Radar simulation type. 1013 * @is_radar_found_on_secondary_seg: Radar on second segment. 1014 * @is_radar_during_precac: Radar found during precac. 1015 * @dfs_precac_lock: Lock to protect precac lists. 1016 * @dfs_precac_secondary_freq_mhz: Second segment freq in MHZ for precac. 1017 * Applicable to only legacy chips. 1018 * @dfs_precac_primary_freq_mhz: PreCAC Primary freq in MHZ applicable only 1019 * to legacy chips. 1020 * @dfs_defer_precac_channel_change: Defer precac channel change. 1021 * @dfs_precac_inter_chan_freq: Intermediate non-DFS freq used while 1022 * doing precac. 1023 * @dfs_autoswitch_chan: Desired channel of dfs_channel structure 1024 * which will be prioritized for preCAC. 1025 * @dfs_autoswitch_des_mode: Desired PHY mode which has to be used 1026 * after precac. 1027 * @wlan_dfs_task_timer: Dfs wait timer. 1028 * @dur_multiplier: Duration multiplier. 1029 * @wlan_dfs_isdfsregdomain: True when AP is in DFS domain 1030 * @wlan_dfs_false_rssi_thres: False RSSI Threshold. 1031 * @wlan_dfs_peak_mag: Peak mag. 1032 * @radar_log[]: Radar log. 1033 * @dfs_event_log_count: Event log count. 1034 * @dfs_event_log_on: Event log on. 1035 * @dfs_phyerr_count: Same as number of PHY radar interrupts. 1036 * @dfs_phyerr_reject_count: When TLV is supported, # of radar events 1037 * ignored after TLV is parsed. 1038 * @dfs_phyerr_queued_count: Number of radar events queued for matching 1039 * the filters. 1040 * @dfs_phyerr_freq_min: Phyerr min freq. 1041 * @dfs_phyerr_freq_max: Phyerr max freq. 1042 * @dfs_phyerr_w53_counter: Phyerr w53 counter. 1043 * @dfs_pri_multiplier: Allow pulse if they are within multiple of 1044 * PRI for the radar type. 1045 * @wlan_dfs_nol_timeout: NOL timeout. 1046 * @update_nol: Update NOL. 1047 * @dfs_seq_num: Sequence number. 1048 * @dfs_nol_free_list: NOL free list. 1049 * @dfs_nol_elem_free_work: The work queue to free an NOL element. 1050 * @dfs_cac_timer: CAC timer. 1051 * @dfs_cac_valid_timer: Ignore CAC when this timer is running. 1052 * @dfs_cac_timeout_override: Overridden cac timeout. 1053 * @dfs_enable: DFS Enable. 1054 * @dfs_cac_timer_running: DFS CAC timer running. 1055 * @dfs_ignore_dfs: Ignore DFS. 1056 * @dfs_ignore_cac: Ignore CAC. 1057 * @dfs_cac_valid: DFS CAC valid. 1058 * @dfs_cac_valid_time: Time for which CAC will be valid and will 1059 * not be re-done. 1060 * @dfs_precac_timeout_override: Overridden precac timeout. 1061 * @dfs_precac_list: PreCAC list (contains individual trees). 1062 * @dfs_precac_chwidth: PreCAC channel width enum. 1063 * @dfs_curchan: DFS current channel. 1064 * @dfs_prevchan: DFS previous channel. 1065 * @dfs_cac_started_chan: CAC started channel. 1066 * @dfs_pdev_obj: DFS pdev object. 1067 * @dfs_is_offload_enabled: Set if DFS offload enabled. 1068 * @dfs_is_bangradar_320_supported: Set if DFS 320MHZ enabled. 1069 * @dfs_is_radar_found_chan_freq_eq_center_freq: 1070 * Set if chan_freq parameter of the radar 1071 * found wmi event indicates channel center. 1072 * @dfs_agile_precac_freq_mhz: Freq in MHZ configured on Agile DFS engine. 1073 * @dfs_use_nol: Use the NOL when radar found(default: TRUE) 1074 * @dfs_nol_lock: Lock to protect nol list. 1075 * @tx_leakage_threshold: Tx leakage threshold for dfs. 1076 * @dfs_use_nol_subchannel_marking: Use subchannel marking logic to add only 1077 * radar affected subchannel instead of all 1078 * bonding channels. 1079 * @dfs_host_wait_timer: The timer that is started from host after 1080 * sending the average radar parameters. 1081 * Before this timeout host expects its dfs 1082 * status from fw. 1083 * @dfs_average_pri: Average pri value of the received radar 1084 * pulses. 1085 * @dfs_average_duration: Average duration of the received radar 1086 * pulses. 1087 * @dfs_average_sidx: Average sidx of the received radar pulses. 1088 * @dfs_is_host_wait_running: Indicates if host dfs status wait timer is 1089 * running. 1090 * @dfs_average_params_sent: Indicates if host has sent the average 1091 * radar parameters. 1092 * @dfs_no_res_from_fw: Indicates no response from fw. 1093 * @dfs_spoof_check_failed: Indicates if the spoof check has failed. 1094 * @dfs_spoof_test_done: Indicates if the sppof test is done. 1095 * @dfs_status_timeout_override: Used to change the timeout value of 1096 * dfs_host_wait_timer. 1097 * @dfs_is_stadfs_enabled: Is STADFS enabled. 1098 * @dfs_min_sidx: Minimum sidx of the received radar pulses. 1099 * @dfs_max_sidx: Maximum sidx of the received radar pulses. 1100 * @dfs_seg_id: Segment ID of the radar hit channel. 1101 * @dfs_is_chirp: Radar Chirp in pulse present or not. 1102 * @dfs_bw_reduced: DFS bandwidth reduced channel bit. 1103 * @dfs_freq_offset: Frequency offset where radar was found. 1104 * @dfs_cac_aborted: DFS cac is aborted. 1105 * @dfs_disable_radar_marking: To mark or unmark NOL chan as radar hit. 1106 * @dfs_data_struct_lock: DFS data structure lock. This is to protect 1107 * all the filtering data structures. For 1108 * example: dfs_bin5radars, dfs_filtertype, 1109 * etc. 1110 * @dfs_nol_ie_bandwidth: Minimum Bandwidth of subchannels that 1111 * are added to NOL. 1112 * @dfs_nol_ie_startfreq: The centre frequency of the starting 1113 * subchannel in the current channel list 1114 * to be sent in NOL IE with RCSA. 1115 * @dfs_nol_ie_bitmap: The bitmap of radar affected subchannels 1116 * in the current channel list 1117 * to be sent in NOL IE with RCSA. 1118 * @dfs_is_rcsa_ie_sent: To send or to not send RCSA IE. 1119 * @dfs_is_nol_ie_sent: To send or to not send NOL IE. 1120 * @dfs_agile_precac_ucfg: User configuration for agile preCAC. 1121 * @dfs_bw_expand_target_freq: User configured Channel frequency for 1122 * bandwidth expansion feature. 1123 * @dfs_bw_expand_des_mode: User configured Channel Phymode for 1124 * bandwidth expansion feature. 1125 * @dfs_use_bw_expand: User configured value for enabling or 1126 * disabling BW Expansion feature. 1127 * @dfs_use_puncture: User configured value for enabling or 1128 * disabling DFS puncturing feature. 1129 * @dfs_agile_rcac_ucfg: User configuration for Rolling CAC. 1130 * @dfs_fw_adfs_support_320: Target Agile DFS support for 320 BW. 1131 * @dfs_fw_adfs_support_non_160: Target Agile DFS support for non-160 BWs. 1132 * @dfs_fw_adfs_support_160: Target Agile DFS support for 160 BW. 1133 * @dfs_allow_hw_pulses: Allow/Block HW pulses. When synthetic 1134 * pulses are injected, the HW pulses should 1135 * be blocked and this variable should be 1136 * false so that HW pulses and synthetic 1137 * pulses do not get mixed up. 1138 * defer timer running. 1139 * @dfs_defer_params: DFS deferred event parameters (allocated 1140 * only for the duration of defer alone). 1141 * @dfs_agile_detector_id: Agile detector ID for the DFS object. 1142 * @dfs_agile_rcac_freq_ucfg: User programmed Rolling CAC frequency in 1143 * MHZ. 1144 * @dfs_rcac_param: Primary frequency and Channel params of 1145 * the selected RCAC channel. 1146 * @dfs_chan_postnol_freq: Frequency the AP switches to, post NOL. 1147 * @dfs_chan_postnol_mode: Phymode the AP switches to, post NOL. 1148 * @dfs_chan_postnol_cfreq2: Secondary center frequency the AP 1149 * switches to, post NOL. 1150 * @dfs_channel_state_array: Stores the channel states like CAC STARTED, 1151 * CAC REQUIRED, CAC COMPLETED, NOL, 1152 * PRECAC STARTED, PRECAC COMPLETED etc. of 1153 * all the DFS channels. 1154 */ 1155 struct wlan_dfs { 1156 uint32_t dfs_debug_mask; 1157 #ifdef WLAN_DFS_PARTIAL_OFFLOAD 1158 int16_t dfs_curchan_radindex; 1159 int16_t dfs_extchan_radindex; 1160 struct dfs_ar_state dfs_ar_state; 1161 struct dfs_state dfs_radar[DFS_NUM_RADAR_STATES]; 1162 struct dfs_filtertype *dfs_radarf[DFS_MAX_RADAR_TYPES]; 1163 struct dfs_info dfs_rinfo; 1164 struct dfs_bin5radars *dfs_b5radars; 1165 int8_t **dfs_ftindextable; 1166 struct wlan_dfs_phyerr_param dfs_defaultparams; 1167 struct dfs_event *events; 1168 struct wlan_dfs_caps dfs_caps; 1169 qdf_timer_t wlan_dfs_task_timer; 1170 int dur_multiplier; 1171 uint16_t wlan_dfs_isdfsregdomain; 1172 int dfs_phyerr_w53_counter; 1173 uint32_t dfs_seq_num; 1174 int32_t dfs_min_sidx; 1175 int32_t dfs_max_sidx; 1176 qdf_spinlock_t dfs_data_struct_lock; 1177 uint16_t dfs_lowest_pri_limit; 1178 1179 STAILQ_HEAD(, dfs_event) dfs_eventq; 1180 STAILQ_HEAD(, dfs_event) dfs_radarq; 1181 STAILQ_HEAD(, dfs_event) dfs_arq; 1182 1183 #ifdef HOST_DFS_SPOOF_TEST 1184 qdf_timer_t dfs_host_wait_timer; 1185 uint32_t dfs_average_pri; 1186 uint32_t dfs_average_duration; 1187 uint32_t dfs_average_sidx; 1188 uint8_t dfs_is_host_wait_running:1, 1189 dfs_average_params_sent:1, 1190 dfs_no_res_from_fw:1, 1191 dfs_spoof_check_failed:1; 1192 struct dfs_channel dfs_radar_found_chan; 1193 int dfs_status_timeout_override; 1194 #endif 1195 #ifdef WLAN_DFS_SYNTHETIC_RADAR 1196 bool dfs_allow_hw_pulses; 1197 #endif 1198 #endif /* WLAN_DFS_PARTIAL_OFFLOAD */ 1199 uint32_t dfsdomain; 1200 uint32_t dfs_proc_phyerr; 1201 1202 qdf_spinlock_t dfs_eventqlock; 1203 1204 qdf_spinlock_t dfs_radarqlock; 1205 1206 qdf_spinlock_t dfs_arqlock; 1207 struct dfs_nolelem *dfs_nol; 1208 int dfs_nol_count; 1209 struct dfs_stats wlan_dfs_stats; 1210 struct dfs_pulseline *pulses; 1211 uint32_t wlan_radar_tasksched:1, 1212 wlan_dfswait:1, 1213 wlan_dfstest:1; 1214 uint8_t wlan_dfstest_ieeechan; 1215 uint32_t wlan_dfs_cac_time; 1216 uint32_t wlan_dfstesttime; 1217 qdf_timer_t wlan_dfstesttimer; 1218 enum dfs_bangradar_types dfs_bangradar_type; 1219 bool is_radar_found_on_secondary_seg; 1220 bool is_radar_during_precac; 1221 qdf_spinlock_t dfs_precac_lock; 1222 #ifdef CONFIG_CHAN_FREQ_API 1223 uint16_t dfs_precac_secondary_freq_mhz; 1224 uint16_t dfs_precac_primary_freq_mhz; 1225 #endif 1226 uint8_t dfs_defer_precac_channel_change; 1227 #ifdef WLAN_DFS_PRECAC_AUTO_CHAN_SUPPORT 1228 enum wlan_phymode dfs_autoswitch_des_mode; 1229 #endif 1230 #ifdef WLAN_DFS_PRECAC_AUTO_CHAN_SUPPORT 1231 #ifdef CONFIG_CHAN_FREQ_API 1232 struct dfs_channel *dfs_autoswitch_chan; 1233 uint16_t dfs_precac_inter_chan_freq; 1234 #endif 1235 #endif 1236 int wlan_dfs_false_rssi_thres; 1237 int wlan_dfs_peak_mag; 1238 struct dfs_event_log radar_log[DFS_EVENT_LOG_SIZE]; 1239 int dfs_event_log_count; 1240 int dfs_event_log_on; 1241 int dfs_phyerr_count; 1242 int dfs_phyerr_reject_count; 1243 int dfs_phyerr_queued_count; 1244 int dfs_phyerr_freq_min; 1245 int dfs_phyerr_freq_max; 1246 int dfs_pri_multiplier; 1247 int wlan_dfs_nol_timeout; 1248 bool update_nol; 1249 1250 TAILQ_HEAD(, dfs_nolelem) dfs_nol_free_list; 1251 qdf_work_t dfs_nol_elem_free_work; 1252 1253 qdf_hrtimer_data_t dfs_cac_timer; 1254 qdf_timer_t dfs_cac_valid_timer; 1255 int dfs_cac_timeout_override; 1256 uint8_t dfs_enable:1, 1257 dfs_cac_timer_running:1, 1258 dfs_ignore_dfs:1, 1259 dfs_ignore_cac:1, 1260 dfs_cac_valid:1; 1261 uint32_t dfs_cac_valid_time; 1262 int dfs_precac_timeout_override; 1263 #if defined(WLAN_DFS_FULL_OFFLOAD) && defined(QCA_DFS_NOL_OFFLOAD) 1264 uint8_t dfs_disable_radar_marking; 1265 #endif 1266 TAILQ_HEAD(, dfs_precac_entry) dfs_precac_list; 1267 enum phy_ch_width dfs_precac_chwidth; 1268 1269 struct dfs_channel *dfs_curchan; 1270 struct dfs_channel *dfs_prevchan; 1271 struct dfs_channel dfs_cac_started_chan; 1272 struct wlan_objmgr_pdev *dfs_pdev_obj; 1273 struct dfs_soc_priv_obj *dfs_soc_obj; 1274 #if defined(QCA_SUPPORT_AGILE_DFS) || defined(ATH_SUPPORT_ZERO_CAC_DFS) 1275 uint8_t dfs_psoc_idx; 1276 #endif 1277 #ifdef CONFIG_CHAN_FREQ_API 1278 uint16_t dfs_agile_precac_freq_mhz; 1279 #endif 1280 bool dfs_is_offload_enabled; 1281 bool dfs_is_bangradar_320_supported; 1282 bool dfs_is_radar_found_chan_freq_eq_center_freq; 1283 int dfs_use_nol; 1284 qdf_spinlock_t dfs_nol_lock; 1285 uint16_t tx_leakage_threshold; 1286 bool dfs_use_nol_subchannel_marking; 1287 uint8_t dfs_spoof_test_done:1; 1288 bool dfs_is_stadfs_enabled; 1289 uint8_t dfs_seg_id; 1290 uint8_t dfs_is_chirp; 1291 bool dfs_bw_reduced; 1292 int32_t dfs_freq_offset; 1293 bool dfs_cac_aborted; 1294 #if defined(QCA_DFS_RCSA_SUPPORT) 1295 uint8_t dfs_nol_ie_bandwidth; 1296 uint16_t dfs_nol_ie_startfreq; 1297 uint8_t dfs_nol_ie_bitmap; 1298 bool dfs_is_rcsa_ie_sent; 1299 bool dfs_is_nol_ie_sent; 1300 #endif 1301 #if defined(QCA_DFS_BW_EXPAND) 1302 qdf_freq_t dfs_bw_expand_target_freq; 1303 enum wlan_phymode dfs_bw_expand_des_mode; 1304 bool dfs_use_bw_expand; 1305 #endif 1306 bool dfs_use_puncture; 1307 uint8_t dfs_agile_precac_ucfg:1, 1308 #if defined(QCA_SUPPORT_ADFS_RCAC) 1309 dfs_agile_rcac_ucfg:1, 1310 #endif 1311 #ifdef WLAN_FEATURE_11BE 1312 dfs_fw_adfs_support_320:1, 1313 #endif 1314 dfs_fw_adfs_support_non_160:1, 1315 dfs_fw_adfs_support_160:1; 1316 struct dfs_mode_switch_defer_params dfs_defer_params; 1317 uint8_t dfs_agile_detector_id; 1318 #if defined(QCA_SUPPORT_ADFS_RCAC) 1319 uint16_t dfs_agile_rcac_freq_ucfg; 1320 struct dfs_rcac_params dfs_rcac_param; 1321 #endif 1322 #if defined(QCA_SUPPORT_DFS_CHAN_POSTNOL) 1323 qdf_freq_t dfs_chan_postnol_freq; 1324 enum phy_ch_width dfs_chan_postnol_mode; 1325 qdf_freq_t dfs_chan_postnol_cfreq2; 1326 #endif 1327 #if defined(WLAN_DISP_CHAN_INFO) 1328 enum channel_dfs_state dfs_channel_state_array[NUM_DFS_CHANS]; 1329 #endif /* WLAN_DISP_CHAN_INFO */ 1330 #ifdef QCA_SUPPORT_AGILE_DFS 1331 #endif 1332 }; 1333 1334 #if defined(QCA_SUPPORT_AGILE_DFS) || defined(ATH_SUPPORT_ZERO_CAC_DFS) 1335 /** 1336 * struct wlan_dfs_priv - dfs private struct with agile capability info 1337 * @wlan_dfs: pointer to wlan_dfs object. 1338 * @agile_precac_active: agile precac active information for wlan_dfs_priv obj 1339 */ 1340 struct wlan_dfs_priv { 1341 struct wlan_dfs *dfs; 1342 bool agile_precac_active; 1343 }; 1344 #endif 1345 1346 /** 1347 * struct dfs_soc_priv_obj - dfs private data 1348 * @psoc: pointer to PSOC object information 1349 * @pdev: pointer to PDEV object information 1350 * @dfs_is_phyerr_filter_offload: For some chip like Rome indicates too many 1351 * phyerr packets in a short time, which causes 1352 * OS hang. If this field is configured as true, 1353 * FW will do the pre-check, filter out some 1354 * kinds of invalid phyerrors and indicate 1355 * radar detection related information to host. 1356 * @dfs_priv: array of dfs private structs with agile capability info 1357 * @num_dfs_privs: array size of dfs private structs for given psoc. 1358 * @cur_dfs_index: index of the current dfs object using the Agile Engine. 1359 * It is used to index struct wlan_dfs_priv dfs_priv[] array. 1360 * @dfs_precac_timer: agile precac timer 1361 * @dfs_precac_timer_running: precac timer running flag 1362 * @ocac_status: Off channel CAC complete status 1363 * @dfs_nol_ctx: dfs NOL data for all radios. 1364 * @dfs_rcac_timer: Agile RCAC (Rolling CAC) timer. 1365 * @dfs_agile_sm_hdl: The handle for the state machine that drives Agile 1366 * Engine. 1367 * @dfs_agile_sm_cur_state: Current state of the Agile State Machine. 1368 * @dfs_rcac_sm_lock: DFS Rolling CAC state machine lock. 1369 */ 1370 struct dfs_soc_priv_obj { 1371 struct wlan_objmgr_psoc *psoc; 1372 struct wlan_objmgr_pdev *pdev; 1373 bool dfs_is_phyerr_filter_offload; 1374 #if defined(QCA_SUPPORT_AGILE_DFS) || defined(ATH_SUPPORT_ZERO_CAC_DFS) 1375 struct wlan_dfs_priv dfs_priv[WLAN_UMAC_MAX_PDEVS]; 1376 uint8_t num_dfs_privs; 1377 uint8_t cur_agile_dfs_index; 1378 qdf_hrtimer_data_t dfs_precac_timer; 1379 uint8_t dfs_precac_timer_running; 1380 bool precac_state_started; 1381 bool ocac_status; 1382 #endif 1383 struct dfsreq_nolinfo *dfs_psoc_nolinfo; 1384 #ifdef QCA_SUPPORT_ADFS_RCAC 1385 qdf_hrtimer_data_t dfs_rcac_timer; 1386 #endif 1387 #ifdef QCA_SUPPORT_AGILE_DFS 1388 struct wlan_sm *dfs_agile_sm_hdl; 1389 enum dfs_agile_sm_state dfs_agile_sm_cur_state; 1390 qdf_spinlock_t dfs_agile_sm_lock; 1391 #endif 1392 }; 1393 1394 /** 1395 * enum DFS debug - This should match the table from if_ath.c. 1396 * @WLAN_DEBUG_DFS: Minimal DFS debug. 1397 * @WLAN_DEBUG_DFS1: Normal DFS debug. 1398 * @WLAN_DEBUG_DFS2: Maximal DFS debug. 1399 * @WLAN_DEBUG_DFS3: Matched filterID display. 1400 * @WLAN_DEBUG_DFS_PHYERR: Phy error parsing. 1401 * @WLAN_DEBUG_DFS_NOL: NOL related entries. 1402 * @WLAN_DEBUG_DFS_PHYERR_SUM: PHY error summary. 1403 * @WLAN_DEBUG_DFS_PHYERR_PKT: PHY error payload. 1404 * @WLAN_DEBUG_DFS_BIN5: BIN5 checks. 1405 * @WLAN_DEBUG_DFS_BIN5_FFT: BIN5 FFT check. 1406 * @WLAN_DEBUG_DFS_BIN5_PULSE: BIN5 pulse check. 1407 * @WLAN_DEBUG_DFS_FALSE_DET: False detection debug related prints. 1408 * @WLAN_DEBUG_DFS_FALSE_DET2: Second level check to confirm poisitive 1409 * detection. 1410 * @WLAN_DEBUG_DFS_RANDOM_CHAN: Random channel selection. 1411 * @WLAN_DEBUG_DFS_AGILE: Agile PreCAC/RCAC 1412 */ 1413 enum { 1414 WLAN_DEBUG_DFS = 0x00000100, 1415 WLAN_DEBUG_DFS1 = 0x00000200, 1416 WLAN_DEBUG_DFS2 = 0x00000400, 1417 WLAN_DEBUG_DFS3 = 0x00000800, 1418 WLAN_DEBUG_DFS_PHYERR = 0x00001000, 1419 WLAN_DEBUG_DFS_NOL = 0x00002000, 1420 WLAN_DEBUG_DFS_PHYERR_SUM = 0x00004000, 1421 WLAN_DEBUG_DFS_PHYERR_PKT = 0x00008000, 1422 WLAN_DEBUG_DFS_BIN5 = 0x00010000, 1423 WLAN_DEBUG_DFS_BIN5_FFT = 0x00020000, 1424 WLAN_DEBUG_DFS_BIN5_PULSE = 0x00040000, 1425 WLAN_DEBUG_DFS_FALSE_DET = 0x00080000, 1426 WLAN_DEBUG_DFS_FALSE_DET2 = 0x00100000, 1427 WLAN_DEBUG_DFS_RANDOM_CHAN = 0x00200000, 1428 WLAN_DEBUG_DFS_AGILE = 0x00400000, 1429 WLAN_DEBUG_DFS_MAX = 0x80000000, 1430 WLAN_DEBUG_DFS_ALWAYS = WLAN_DEBUG_DFS_MAX 1431 }; 1432 1433 /** 1434 * enum host dfs spoof check status. 1435 * @HOST_DFS_CHECK_PASSED: Host indicates RADAR detected and the FW 1436 * confirms it to be spoof radar to host. 1437 * @HOST_DFS_CHECK_FAILED: Host doesn't indicate RADAR detected or spoof 1438 * radar parameters by 1439 * WMI_HOST_DFS_RADAR_FOUND_CMDID doesn't match. 1440 * @HOST_DFS_STATUS_CHECK_HW_RADAR: Host indicates RADAR detected and the 1441 * FW confirms it to be real HW radar to host. 1442 */ 1443 #if defined(WLAN_DFS_PARTIAL_OFFLOAD) && defined(HOST_DFS_SPOOF_TEST) 1444 enum { 1445 HOST_DFS_STATUS_CHECK_PASSED = 0, 1446 HOST_DFS_STATUS_CHECK_FAILED = 1, 1447 HOST_DFS_STATUS_CHECK_HW_RADAR = 2 1448 }; 1449 #endif 1450 1451 /** 1452 * struct dfs_phy_err - DFS phy error. 1453 * @fulltsf: 64-bit TSF as read from MAC. 1454 * @is_pri: Detected on primary channel. 1455 * @is_ext: Detected on extension channel. 1456 * @is_dc: Detected at DC. 1457 * @is_early: Early detect. 1458 * @do_check_chirp: Whether to check hw_chirp/sw_chirp. 1459 * @is_hw_chirp: Hardware-detected chirp. 1460 * @is_sw_chirp: Software detected chirp. 1461 * @rs_tstamp: 32 bit TSF from RX descriptor (event). 1462 * @freq: Centre frequency of event - KHz. 1463 * @freq_lo: Lower bounds of frequency - KHz. 1464 * @freq_hi: Upper bounds of frequency - KHz. 1465 * @rssi: Pulse RSSI. 1466 * @dur: Pulse duration, raw (not uS). 1467 * @seg_id: HT80_80/HT160 use. 1468 * @sidx: Seg index. 1469 * @freq_offset_khz: Freq offset in KHz. 1470 * @peak_mag: Peak mag. 1471 * @total_gain: Total gain. 1472 * @mb_gain: Mb gain. 1473 * @relpwr_db: Relpower in DB. 1474 * @pulse_delta_diff: Pulse delta diff. 1475 * @pulse_delta_peak: Pulse delta peak. 1476 * @pulse_psidx_diff: Pulse psidx diff. 1477 * 1478 * Chirp notes! 1479 * 1480 * Pre-Sowl chips don't do FFT reports, so chirp pulses simply show up 1481 * as long duration pulses. 1482 * 1483 * The bin5 checking code would simply look for a chirp pulse of the correct 1484 * duration (within MIN_BIN5_DUR and MAX_BIN5_DUR) and add it to the "chirp" 1485 * pattern. 1486 * 1487 * For Sowl and later, an FFT was done on longer duration frames. If those 1488 * frames looked like a chirp, their duration was adjusted to fall within 1489 * the chirp duration limits. If the pulse failed the chirp test (it had 1490 * no FFT data or the FFT didn't meet the chirping requirements) then the 1491 * pulse duration was adjusted to be greater than MAX_BIN5_DUR, so it 1492 * would always fail chirp detection. 1493 * 1494 * This is pretty horrible. 1495 * 1496 * The eventual goal for chirp handling is thus: 1497 * 1498 * 1)In case someone ever wants to do chirp detection with this code on 1499 * chips that don't support chirp detection, you can still do it based 1500 * on pulse duration. That's your problem to solve. 1501 * 1502 * 2)For chips that do hardware chirp detection or FFT, the "do_check_chirp" 1503 * bit should be set. 1504 * 1505 * 3)Then, either is_hw_chirp or is_sw_chirp is set, indicating that 1506 * the hardware or software post-processing of the chirp event found 1507 * that indeed it was a chirp. 1508 * 1509 * 4)Finally, the bin5 code should just check whether the chirp bits are 1510 * set and behave appropriately, falling back onto the duration checks 1511 * if someone wishes to use this on older hardware (or with disabled 1512 * FFTs, for whatever reason.) 1513 * 1514 * XXX TODO: 1515 * 1516 * 1)add duration in uS and raw duration, so the PHY error parsing 1517 * code is responsible for doing the duration calculation; 1518 * 2)add ts in raw and corrected, so the PHY error parsing 1519 * code is responsible for doing the offsetting, not the radar 1520 * event code. 1521 */ 1522 struct dfs_phy_err { 1523 uint64_t fulltsf; 1524 uint32_t is_pri:1, 1525 is_ext:1, 1526 is_dc:1, 1527 is_early:1, 1528 do_check_chirp:1, 1529 is_hw_chirp:1, 1530 is_sw_chirp:1; 1531 uint32_t rs_tstamp; 1532 uint32_t freq; 1533 uint32_t freq_lo; 1534 uint32_t freq_hi; 1535 uint8_t rssi; 1536 uint8_t dur; 1537 uint8_t seg_id; 1538 int sidx; 1539 u_int freq_offset_khz; 1540 int peak_mag; 1541 int total_gain; 1542 int mb_gain; 1543 int relpwr_db; 1544 uint8_t pulse_delta_diff; 1545 int8_t pulse_delta_peak; 1546 int16_t pulse_psidx_diff; 1547 }; 1548 1549 /** 1550 * struct rx_radar_status - Parsed radar status 1551 * @raw_tsf: Raw tsf 1552 * @tsf_offset: TSF offset. 1553 * @rssi: RSSI. 1554 * @pulse_duration: Pulse duration. 1555 * @is_chirp: Is chirp. 1556 * @delta_peak: Delta peak. 1557 * @delta_diff: Delta diff. 1558 * @sidx: Starting frequency. 1559 * @freq_offset: Frequency offset. 1560 * @agc_total_gain: AGC total gain. 1561 * @agc_mb_gain: AGC MB gain. 1562 */ 1563 struct rx_radar_status { 1564 uint32_t raw_tsf; 1565 uint32_t tsf_offset; 1566 int rssi; 1567 int pulse_duration; 1568 int is_chirp:1; 1569 int delta_peak; 1570 int delta_diff; 1571 int sidx; 1572 int freq_offset; /* in KHz */ 1573 int agc_total_gain; 1574 int agc_mb_gain; 1575 }; 1576 1577 /** 1578 * struct rx_search_fft_report - FFT report. 1579 * @total_gain_db: Total gain in Db. 1580 * @base_pwr_db: Base power in Db. 1581 * @fft_chn_idx: FFT channel index. 1582 * @peak_sidx: Peak sidx. 1583 * @relpwr_db: Real power in Db. 1584 * @avgpwr_db: Average power in Db. 1585 * @peak_mag: Peak Mag. 1586 * @num_str_bins_ib: Num dtr BINs IB 1587 * @seg_id: Segment ID 1588 */ 1589 struct rx_search_fft_report { 1590 uint32_t total_gain_db; 1591 uint32_t base_pwr_db; 1592 int fft_chn_idx; 1593 int peak_sidx; 1594 int relpwr_db; 1595 int avgpwr_db; 1596 int peak_mag; 1597 int num_str_bins_ib; 1598 int seg_id; 1599 }; 1600 1601 /** 1602 * dfs_process_radarevent() - process the radar event generated for a pulse. 1603 * @dfs: Pointer to wlan_dfs structure. 1604 * @chan: Current channel. 1605 * 1606 * There is currently no way to specify that a radar event has occurred on 1607 * a specific channel, so the current methodology is to mark both the pri 1608 * and ext channels as being unavailable. This should be fixed for 802.11ac 1609 * or we'll quickly run out of valid channels to use. 1610 * 1611 * If Radar found, this marks the channel (and the extension channel, if HT40) 1612 * as having seen a radar event. It marks CHAN_INTERFERENCE and will add it to 1613 * the local NOL implementation. This is only done for 'usenol=1', as the other 1614 * two modes don't do radar notification or CAC/CSA/NOL; it just notes there 1615 * was a radar. 1616 */ 1617 void dfs_process_radarevent(struct wlan_dfs *dfs, 1618 struct dfs_channel *chan); 1619 1620 /** 1621 * dfs_nol_addchan() - Add channel to NOL. 1622 * @dfs: Pointer to wlan_dfs structure. 1623 * @freq: frequency to add to NOL. 1624 * @dfs_nol_timeout: NOL timeout. 1625 */ 1626 void dfs_nol_addchan(struct wlan_dfs *dfs, 1627 uint16_t freq, 1628 uint32_t dfs_nol_timeout); 1629 1630 /** 1631 * dfs_get_nol() - Get NOL. 1632 * @dfs: Pointer to wlan_dfs structure. 1633 * @dfs_nol: Pointer to dfsreq_nolelem structure to save the channels from NOL. 1634 * @nchan: Number of channels. 1635 */ 1636 void dfs_get_nol(struct wlan_dfs *dfs, 1637 struct dfsreq_nolelem *dfs_nol, 1638 int *nchan); 1639 1640 /** 1641 * dfs_set_nol() - Set NOL. 1642 * @dfs: Pointer to wlan_dfs structure. 1643 * @dfs_nol: Pointer to dfsreq_nolelem structure. 1644 * @nchan: Number of channels. 1645 */ 1646 void dfs_set_nol(struct wlan_dfs *dfs, 1647 struct dfsreq_nolelem *dfs_nol, 1648 int nchan); 1649 1650 /** 1651 * dfs_nol_update() - NOL update 1652 * @dfs: Pointer to wlan_dfs structure. 1653 * 1654 * Notify the driver/umac that it should update the channel radar/NOL flags 1655 * based on the current NOL list. 1656 */ 1657 void dfs_nol_update(struct wlan_dfs *dfs); 1658 1659 /** 1660 * dfs_nol_timer_cleanup() - NOL timer cleanup. 1661 * @dfs: Pointer to wlan_dfs structure. 1662 * 1663 * Cancels the NOL timer and frees the NOL elements. 1664 */ 1665 void dfs_nol_timer_cleanup(struct wlan_dfs *dfs); 1666 1667 /** 1668 * dfs_nol_timer_detach() - Free NOL timer. 1669 * @dfs: Pointer to wlan_dfs structure. 1670 */ 1671 void dfs_nol_timer_detach(struct wlan_dfs *dfs); 1672 1673 /** 1674 * dfs_nol_workqueue_cleanup() - Flushes NOL workqueue. 1675 * @dfs: Pointer to wlan_dfs structure. 1676 * 1677 * Flushes the NOL workqueue. 1678 */ 1679 void dfs_nol_workqueue_cleanup(struct wlan_dfs *dfs); 1680 1681 /** 1682 * dfs_retain_bin5_burst_pattern() - Retain the BIN5 burst pattern. 1683 * @dfs: Pointer to wlan_dfs structure. 1684 * @diff_ts: Timestamp diff. 1685 * @old_dur: Old duration. 1686 */ 1687 uint8_t dfs_retain_bin5_burst_pattern(struct wlan_dfs *dfs, 1688 uint32_t diff_ts, 1689 uint8_t old_dur); 1690 1691 /** 1692 * dfs_bin5_check_pulse() - BIN5 check pulse. 1693 * @dfs: Pointer to wlan_dfs structure. 1694 * @re: Pointer to dfs_event structure. 1695 * @br: Pointer to dfs_bin5radars structure. 1696 * 1697 * Reject the pulse if: 1698 * 1) It's outside the RSSI threshold; 1699 * 2) It's outside the pulse duration; 1700 * 3) It's been verified by HW/SW chirp checking 1701 * and neither of those found a chirp. 1702 */ 1703 int dfs_bin5_check_pulse(struct wlan_dfs *dfs, 1704 struct dfs_event *re, 1705 struct dfs_bin5radars *br); 1706 1707 /** 1708 * dfs_bin5_addpulse() - BIN5 add pulse. 1709 * @dfs: Pointer to wlan_dfs structure. 1710 * @br: Pointer to dfs_bin5radars structure. 1711 * @re: Pointer to dfs_event structure. 1712 * @thists: Timestamp. 1713 */ 1714 int dfs_bin5_addpulse(struct wlan_dfs *dfs, 1715 struct dfs_bin5radars *br, 1716 struct dfs_event *re, 1717 uint64_t thists); 1718 1719 /** 1720 * dfs_bin5_check() - BIN5 check. 1721 * @dfs: Pointer to wlan_dfs structure. 1722 * 1723 * If the dfs structure is NULL (which should be illegal if everything is working 1724 * properly, then signify that a bin5 radar was found. 1725 */ 1726 int dfs_bin5_check(struct wlan_dfs *dfs); 1727 1728 /** 1729 * dfs_check_chirping() - Check chirping. 1730 * @dfs: Pointer to wlan_dfs structure. 1731 * @buf: Phyerr buffer 1732 * @datalen: Phyerr buf length 1733 * @is_ctl: detected on primary channel. 1734 * @is_ext: detected on extension channel. 1735 * @slope: Slope 1736 * @is_dc: DC found 1737 * 1738 * This examines the FFT data contained in the PHY error information to figure 1739 * out whether the pulse is moving across frequencies. 1740 */ 1741 int dfs_check_chirping(struct wlan_dfs *dfs, 1742 void *buf, 1743 uint16_t datalen, 1744 int is_ctl, 1745 int is_ext, 1746 int *slope, 1747 int *is_dc); 1748 1749 /** 1750 * dfs_get_random_bin5_dur() - Get random BIN5 duration. 1751 * @dfs: Pointer to wlan_dfs structure. 1752 * @tstamp: Timestamp. 1753 * 1754 * Chirping pulses may get cut off at DC and report lower durations. 1755 * This function will compute a suitable random duration for each pulse. 1756 * Duration must be between 50 and 100 us, but remember that in 1757 * wlan_process_phyerr() which calls this function, we are dealing with the 1758 * HW reported duration (unconverted). dfs_process_radarevent() will 1759 * actually convert the duration into the correct value. 1760 * This function doesn't take into account whether the hardware 1761 * is operating in 5GHz fast clock mode or not. 1762 * And this function doesn't take into account whether the hardware 1763 * is peregrine or not. 1764 */ 1765 int dfs_get_random_bin5_dur(struct wlan_dfs *dfs, 1766 uint64_t tstamp); 1767 1768 /** 1769 * dfs_print_delayline() - Prints delayline. 1770 * @dfs: Pointer to wlan_dfs structure. 1771 * @dl: Pointer to dfs_delayline structure. 1772 */ 1773 #if defined(WLAN_DFS_PARTIAL_OFFLOAD) 1774 void dfs_print_delayline(struct wlan_dfs *dfs, 1775 struct dfs_delayline *dl); 1776 #else 1777 static inline 1778 void dfs_print_delayline(struct wlan_dfs *dfs, struct dfs_delayline *dl) 1779 { 1780 } 1781 #endif 1782 1783 /** 1784 * dfs_print_nol() - Print NOL elements. 1785 * @dfs: Pointer to wlan_dfs structure. 1786 */ 1787 void dfs_print_nol(struct wlan_dfs *dfs); 1788 1789 /** 1790 * dfs_print_filter() - Prints the filter. 1791 * @dfs: Pointer to wlan_dfs structure. 1792 * @rf: Pointer to dfs_filter structure. 1793 */ 1794 void dfs_print_filter(struct wlan_dfs *dfs, 1795 struct dfs_filter *rf); 1796 1797 /** 1798 * dfs_getchanstate() - Get chan state. 1799 * @dfs: Pointer to wlan_dfs structure. 1800 * @index: To save the index of dfs_radar[] 1801 * @ext_chan_flag: Extension channel flag; 1802 */ 1803 struct dfs_state *dfs_getchanstate(struct wlan_dfs *dfs, 1804 uint8_t *index, 1805 int ext_ch_flag); 1806 1807 /** 1808 * dfs_round() - DFS found. 1809 * @val: Convert durations to TSF ticks. 1810 * 1811 * Return: TSF ticks. 1812 */ 1813 uint32_t dfs_round(int32_t val); 1814 1815 /** 1816 * dfs_reset_alldelaylines() - Reset alldelaylines. 1817 * @dfs: Pointer to wlan_dfs structure. 1818 */ 1819 #if defined(WLAN_DFS_PARTIAL_OFFLOAD) 1820 void dfs_reset_alldelaylines(struct wlan_dfs *dfs); 1821 #else 1822 static inline void dfs_reset_alldelaylines(struct wlan_dfs *dfs) 1823 { 1824 } 1825 #endif 1826 1827 /** 1828 * dfs_reset_delayline() - Clear only a single delay line. 1829 * @dl: Pointer to dfs_delayline structure. 1830 */ 1831 void dfs_reset_delayline(struct dfs_delayline *dl); 1832 1833 /** 1834 * dfs_reset_filter_delaylines() - Reset filter delaylines. 1835 * @dft: Pointer to dfs_filtertype structure. 1836 */ 1837 void dfs_reset_filter_delaylines(struct dfs_filtertype *dft); 1838 1839 /** 1840 * dfs_reset_radarq() - Reset radar queue. 1841 * @dfs: Pointer to wlan_dfs structure. 1842 */ 1843 #if defined(WLAN_DFS_PARTIAL_OFFLOAD) 1844 void dfs_reset_radarq(struct wlan_dfs *dfs); 1845 #else 1846 static inline void dfs_reset_radarq(struct wlan_dfs *dfs) 1847 { 1848 } 1849 #endif 1850 1851 /** 1852 * dfs_add_pulse() - Adds pulse to the queue. 1853 * @dfs: Pointer to wlan_dfs structure. 1854 * @rf: Pointer to dfs_filter structure. 1855 * @re: Pointer to dfs_event structure. 1856 * @deltaT: deltaT value. 1857 * @this_ts: Last time stamp. 1858 */ 1859 void dfs_add_pulse(struct wlan_dfs *dfs, 1860 struct dfs_filter *rf, 1861 struct dfs_event *re, 1862 uint32_t deltaT, 1863 uint64_t this_ts); 1864 1865 /** 1866 * dfs_bin_check() - BIN check 1867 * @dfs: Pointer to wlan_dfs structure. 1868 * @rf: Pointer to dfs_filter structure. 1869 * @deltaT: deltaT value. 1870 * @width: Width 1871 * @ext_chan_flag: Extension channel flag. 1872 */ 1873 int dfs_bin_check(struct wlan_dfs *dfs, 1874 struct dfs_filter *rf, 1875 uint32_t deltaT, 1876 uint32_t dur, 1877 int ext_chan_flag); 1878 1879 /** 1880 * dfs_bin_pri_check() - BIN PRI check 1881 * @dfs: Pointer to wlan_dfs structure. 1882 * @rf: Pointer to dfs_filter structure. 1883 * @dl: Pointer to dfs_delayline structure. 1884 * @score: Primary score. 1885 * @refpri: Current "filter" time for start of pulse in usecs. 1886 * @refdur: Duration value. 1887 * @ext_chan_flag: Extension channel flag. 1888 * @fundamentalpri: Highest PRI. 1889 */ 1890 int dfs_bin_pri_check(struct wlan_dfs *dfs, 1891 struct dfs_filter *rf, 1892 struct dfs_delayline *dl, 1893 uint32_t score, 1894 uint32_t refpri, 1895 uint32_t refdur, 1896 int ext_chan_flag, 1897 int fundamentalpri); 1898 1899 /** 1900 * dfs_staggered_check() - Detection implementation for staggered PRIs. 1901 * @dfs: Pointer to wlan_dfs structure. 1902 * @rf: Pointer to dfs_filter structure. 1903 * @deltaT: Delta of the Timestamp. 1904 * @width: Duration of radar pulse. 1905 * 1906 * Return: 1 on success and 0 on failure. 1907 */ 1908 int dfs_staggered_check(struct wlan_dfs *dfs, 1909 struct dfs_filter *rf, 1910 uint32_t deltaT, 1911 uint32_t width); 1912 1913 /** 1914 * dfs_get_pri_margin() - Get Primary margin. 1915 * @dfs: Pointer to wlan_dfs structure. 1916 * @is_extchan_detect: Extension channel detect. 1917 * @is_fixed_pattern: Fixed pattern. 1918 * 1919 * For the extension channel, if legacy traffic is present, we see a lot of 1920 * false alarms, so make the PRI margin narrower depending on the busy % for 1921 * the extension channel. 1922 * 1923 * Return: Returns pri_margin. 1924 */ 1925 #if defined(WLAN_DFS_PARTIAL_OFFLOAD) 1926 int dfs_get_pri_margin(struct wlan_dfs *dfs, 1927 int is_extchan_detect, 1928 int is_fixed_pattern); 1929 #else 1930 static inline 1931 int dfs_get_pri_margin(struct wlan_dfs *dfs, 1932 int is_extchan_detect, 1933 int is_fixed_pattern) 1934 { 1935 return 0; 1936 } 1937 #endif 1938 1939 /** 1940 * dfs_get_filter_threshold() - Get filter threshold. 1941 * @dfs: Pointer to wlan_dfs structure. 1942 * @rf: Pointer to dfs_filter structure. 1943 * @is_extchan_detect: Extension channel detect. 1944 * 1945 * For the extension channel, if legacy traffic is present, we see a lot of 1946 * false alarms, so make the thresholds higher depending on the busy % for the 1947 * extension channel. 1948 * 1949 * Return: Returns threshold. 1950 */ 1951 int dfs_get_filter_threshold(struct wlan_dfs *dfs, 1952 struct dfs_filter *rf, 1953 int is_extchan_detect); 1954 1955 #if defined(MOBILE_DFS_SUPPORT) 1956 /** 1957 * dfs_process_ar_event() - Process the ar event. 1958 * @dfs: Pointer to wlan_dfs structure. 1959 * @chan: Current channel structure. 1960 */ 1961 static inline void dfs_process_ar_event(struct wlan_dfs *dfs, 1962 struct dfs_channel *chan) 1963 { 1964 } 1965 1966 /** 1967 * dfs_reset_ar() - resets the ar state. 1968 * @dfs: pointer to wlan_dfs structure. 1969 */ 1970 static inline void dfs_reset_ar(struct wlan_dfs *dfs) 1971 { 1972 } 1973 1974 /** 1975 * dfs_reset_arq() - resets the ar queue. 1976 * @dfs: pointer to wlan_dfs structure. 1977 */ 1978 static inline void dfs_reset_arq(struct wlan_dfs *dfs) 1979 { 1980 } 1981 1982 #else 1983 void dfs_process_ar_event(struct wlan_dfs *dfs, 1984 struct dfs_channel *chan); 1985 1986 void dfs_reset_ar(struct wlan_dfs *dfs); 1987 void dfs_reset_arq(struct wlan_dfs *dfs); 1988 #endif 1989 1990 /** 1991 * dfs_is_radar_enabled() - check if radar detection is enabled. 1992 * @dfs: Pointer to wlan_dfs structure. 1993 * @ignore_dfs: if 1 then radar detection is disabled.. 1994 */ 1995 #if defined(WLAN_DFS_PARTIAL_OFFLOAD) 1996 void dfs_is_radar_enabled(struct wlan_dfs *dfs, 1997 int *ignore_dfs); 1998 #else 1999 static inline void dfs_is_radar_enabled(struct wlan_dfs *dfs, 2000 int *ignore_dfs) 2001 { 2002 } 2003 #endif 2004 2005 /** 2006 * dfs_process_phyerr_bb_tlv() - Parses the PHY error and populates the 2007 * dfs_phy_err struct. 2008 * @dfs: Pointer to wlan_dfs structure. 2009 * @buf: Phyerr buffer 2010 * @datalen: Phyerr buf len 2011 * @rssi: RSSI 2012 * @ext_rssi: Extension RSSI. 2013 * @rs_tstamp: Time stamp. 2014 * @fulltsf: TSF64. 2015 * @e: Pointer to dfs_phy_err structure. 2016 * 2017 * Return: Returns 1. 2018 */ 2019 int dfs_process_phyerr_bb_tlv(struct wlan_dfs *dfs, 2020 void *buf, 2021 uint16_t datalen, 2022 uint8_t rssi, 2023 uint8_t ext_rssi, 2024 uint32_t rs_tstamp, 2025 uint64_t fulltsf, 2026 struct dfs_phy_err *e); 2027 2028 /** 2029 * dfs_reset() - DFS reset 2030 * @dfs: Pointer to wlan_dfs structure. 2031 */ 2032 void dfs_reset(struct wlan_dfs *dfs); 2033 2034 /** 2035 * dfs_radar_enable() - Enables the radar. 2036 * @dfs: Pointer to wlan_dfs structure. 2037 * @no_cac: If no_cac is 0, it cancels the CAC. 2038 */ 2039 #if defined(WLAN_DFS_PARTIAL_OFFLOAD) 2040 void dfs_radar_enable(struct wlan_dfs *dfs, 2041 int no_cac, uint32_t opmode); 2042 #else 2043 static inline void dfs_radar_enable(struct wlan_dfs *dfs, 2044 int no_cac, uint32_t opmode) 2045 { 2046 } 2047 #endif 2048 2049 /** 2050 * dfs_process_phyerr() - Process phyerr. 2051 * @dfs: Pointer to wlan_dfs structure. 2052 * @buf: Phyerr buffer. 2053 * @datalen: phyerr buffer length. 2054 * @r_rssi: RSSI. 2055 * @r_ext_rssi: Extension channel RSSI. 2056 * @r_rs_tstamp: Timestamp. 2057 * @r_fulltsf: TSF64. 2058 */ 2059 #if defined(WLAN_DFS_PARTIAL_OFFLOAD) 2060 void dfs_process_phyerr(struct wlan_dfs *dfs, 2061 void *buf, 2062 uint16_t datalen, 2063 uint8_t r_rssi, 2064 uint8_t r_ext_rssi, 2065 uint32_t r_rs_tstamp, 2066 uint64_t r_fulltsf); 2067 #else 2068 static inline void dfs_process_phyerr(struct wlan_dfs *dfs, 2069 void *buf, 2070 uint16_t datalen, 2071 uint8_t r_rssi, 2072 uint8_t r_ext_rssi, 2073 uint32_t r_rs_tstamp, 2074 uint64_t r_fulltsf) 2075 { 2076 } 2077 #endif 2078 2079 #ifdef QCA_SUPPORT_DFS_CHAN_POSTNOL 2080 /** 2081 * dfs_switch_to_postnol_chan_if_nol_expired() - Find if NOL is expired 2082 * in the postNOL channel configured. If true, trigger channel change. 2083 * @dfs: Pointer to DFS of wlan_dfs structure. 2084 * 2085 * Return: True, if channel change is triggered, else false. 2086 */ 2087 bool dfs_switch_to_postnol_chan_if_nol_expired(struct wlan_dfs *dfs); 2088 #else 2089 static inline bool 2090 dfs_switch_to_postnol_chan_if_nol_expired(struct wlan_dfs *dfs) 2091 { 2092 return false; 2093 } 2094 #endif 2095 2096 #ifdef MOBILE_DFS_SUPPORT 2097 /** 2098 * dfs_process_phyerr_filter_offload() - Process radar event. 2099 * @dfs: Pointer to wlan_dfs structure. 2100 * @wlan_radar_event: Pointer to radar_event_info structure. 2101 * 2102 * Return: None 2103 */ 2104 #if defined(WLAN_DFS_PARTIAL_OFFLOAD) 2105 void dfs_process_phyerr_filter_offload(struct wlan_dfs *dfs, 2106 struct radar_event_info *wlan_radar_event); 2107 #else 2108 static inline void dfs_process_phyerr_filter_offload( 2109 struct wlan_dfs *dfs, 2110 struct radar_event_info *wlan_radar_event) 2111 { 2112 } 2113 #endif 2114 #endif 2115 2116 /** 2117 * dfs_get_radars() - Based on the chipset, calls init radar table functions. 2118 * @dfs: Pointer to wlan_dfs structure. 2119 */ 2120 #if defined(WLAN_DFS_PARTIAL_OFFLOAD) 2121 void dfs_get_radars(struct wlan_dfs *dfs); 2122 #else 2123 static inline void dfs_get_radars(struct wlan_dfs *dfs) 2124 { 2125 } 2126 #endif 2127 2128 /** 2129 * dfs_attach() - Wrapper function to allocate memory for wlan_dfs members. 2130 * @dfs: Pointer to wlan_dfs structure. 2131 */ 2132 int dfs_attach(struct wlan_dfs *dfs); 2133 2134 2135 /** 2136 * dfs_create_object() - Creates DFS object. 2137 * @dfs: Pointer to wlan_dfs structure. 2138 */ 2139 int dfs_create_object(struct wlan_dfs **dfs); 2140 2141 /** 2142 * dfs_destroy_object() - Destroys the DFS object. 2143 * @dfs: Pointer to wlan_dfs structure. 2144 */ 2145 void dfs_destroy_object(struct wlan_dfs *dfs); 2146 2147 /** 2148 * dfs_detach() - Wrapper function to free dfs variables. 2149 * @dfs: Pointer to wlan_dfs structure. 2150 */ 2151 void dfs_detach(struct wlan_dfs *dfs); 2152 2153 #ifdef QCA_SUPPORT_DFS_CAC 2154 /** 2155 * dfs_stacac_stop() - Clear the STA CAC timer. 2156 * @dfs: Pointer to wlan_dfs structure. 2157 */ 2158 void dfs_stacac_stop(struct wlan_dfs *dfs); 2159 2160 /** 2161 * dfs_is_cac_required() - Check if DFS CAC is required for the current channel. 2162 * @dfs: Pointer to wlan_dfs structure. 2163 * @cur_chan: Pointer to current channel of dfs_channel structure. 2164 * @prev_chan: Pointer to previous channel of dfs_channel structure. 2165 * @continue_current_cac: If AP can start CAC then this variable indicates 2166 * whether to continue with the current CAC or restart the CAC. This variable 2167 * is valid only if this function returns true. 2168 * @is_vap_restart: Flag to indicate if vap is restarted/started. 2169 * True: VAP restart. False: VAP start 2170 * 2171 * Return: true if AP requires CAC or can continue current CAC, else false. 2172 */ 2173 bool dfs_is_cac_required(struct wlan_dfs *dfs, 2174 struct dfs_channel *cur_chan, 2175 struct dfs_channel *prev_chan, 2176 bool *continue_current_cac, 2177 bool is_vap_restart); 2178 2179 /** 2180 * dfs_send_dfs_events_for_chan() - Send CAC RESET events 2181 * @dfs: Pointer to wlan_dfs structure. 2182 * @chan: Pointer to dfs_channel structure. 2183 * @event: WLAN_DFS_EVENTS values 2184 */ 2185 void dfs_send_dfs_events_for_chan(struct wlan_dfs *dfs, 2186 struct dfs_channel *chan, 2187 enum WLAN_DFS_EVENTS event); 2188 2189 /** 2190 * dfs_cac_stop() - Clear the AP CAC timer. 2191 * @dfs: Pointer to wlan_dfs structure. 2192 */ 2193 void dfs_cac_stop(struct wlan_dfs *dfs); 2194 2195 /** 2196 * dfs_cancel_cac_timer() - Cancels the CAC timer. 2197 * @dfs: Pointer to wlan_dfs structure. 2198 */ 2199 void dfs_cancel_cac_timer(struct wlan_dfs *dfs); 2200 2201 /** 2202 * dfs_start_cac_timer() - Starts the CAC timer. 2203 * @dfs: Pointer to wlan_dfs structure. 2204 */ 2205 void dfs_start_cac_timer(struct wlan_dfs *dfs); 2206 2207 /** 2208 * dfs_cac_valid_reset_for_freq() - Cancels the dfs_cac_valid_timer timer. 2209 * @dfs: Pointer to wlan_dfs structure. 2210 * @prevchan_chan: Prevchan frequency 2211 * @prevchan_flags: Prevchan flags. 2212 */ 2213 #ifdef CONFIG_CHAN_FREQ_API 2214 void dfs_cac_valid_reset_for_freq(struct wlan_dfs *dfs, 2215 uint16_t prevchan_freq, 2216 uint32_t prevchan_flags); 2217 #endif 2218 2219 /** 2220 * dfs_get_override_cac_timeout() - Get override CAC timeout value. 2221 * @dfs: Pointer to DFS object. 2222 * @cac_timeout: Pointer to save the CAC timeout value. 2223 */ 2224 int dfs_get_override_cac_timeout(struct wlan_dfs *dfs, 2225 int *cac_timeout); 2226 2227 /** 2228 * dfs_override_cac_timeout() - Override the default CAC timeout. 2229 * @dfs: Pointer to DFS object. 2230 * @cac_timeout: CAC timeout value. 2231 */ 2232 int dfs_override_cac_timeout(struct wlan_dfs *dfs, 2233 int cac_timeout); 2234 2235 /** 2236 * dfs_is_ap_cac_timer_running() - Returns the dfs cac timer. 2237 * @dfs: Pointer to wlan_dfs structure. 2238 */ 2239 int dfs_is_ap_cac_timer_running(struct wlan_dfs *dfs); 2240 2241 /** 2242 * dfs_cac_timer_attach() - Initialize cac timers. 2243 * @dfs: Pointer to wlan_dfs structure. 2244 */ 2245 void dfs_cac_timer_attach(struct wlan_dfs *dfs); 2246 2247 /** 2248 * dfs_cac_timer_reset() - Cancel dfs cac timers. 2249 * @dfs: Pointer to wlan_dfs structure. 2250 */ 2251 void dfs_cac_timer_reset(struct wlan_dfs *dfs); 2252 2253 /** 2254 * dfs_cac_timer_detach() - Free dfs cac timers. 2255 * @dfs: Pointer to wlan_dfs structure. 2256 */ 2257 void dfs_cac_timer_detach(struct wlan_dfs *dfs); 2258 2259 /** 2260 * dfs_deliver_cac_state_events() - Deliver the DFS CAC events namely 2261 * WLAN_EV_CAC_STARTED on cac started channel(current channel) and 2262 * WLAN_EV_CAC_RESET on previous dfs channel. 2263 * 2264 * @dfs: Pointer to wlan_dfs structure. 2265 */ 2266 #if defined(WLAN_DISP_CHAN_INFO) 2267 void dfs_deliver_cac_state_events(struct wlan_dfs *dfs); 2268 #else 2269 static inline 2270 void dfs_deliver_cac_state_events(struct wlan_dfs *dfs) 2271 { 2272 } 2273 #endif 2274 #else 2275 static inline 2276 void dfs_stacac_stop(struct wlan_dfs *dfs) 2277 { 2278 } 2279 2280 static inline 2281 bool dfs_is_cac_required(struct wlan_dfs *dfs, 2282 struct dfs_channel *cur_chan, 2283 struct dfs_channel *prev_chan, 2284 bool *continue_current_cac, 2285 bool is_vap_restart) 2286 { 2287 return false; 2288 } 2289 2290 static inline 2291 void dfs_cac_stop(struct wlan_dfs *dfs) 2292 { 2293 } 2294 2295 static inline 2296 void dfs_send_dfs_events_for_chan(struct wlan_dfs *dfs, 2297 struct dfs_channel *chan, 2298 enum WLAN_DFS_EVENTS event) 2299 { 2300 } 2301 2302 static inline 2303 void dfs_cancel_cac_timer(struct wlan_dfs *dfs) 2304 { 2305 } 2306 2307 static inline 2308 void dfs_start_cac_timer(struct wlan_dfs *dfs) 2309 { 2310 } 2311 2312 #ifdef CONFIG_CHAN_FREQ_API 2313 static inline 2314 void dfs_cac_valid_reset_for_freq(struct wlan_dfs *dfs, 2315 uint16_t prevchan_freq, 2316 uint32_t prevchan_flags) 2317 { 2318 } 2319 #endif 2320 2321 static inline 2322 int dfs_get_override_cac_timeout(struct wlan_dfs *dfs, 2323 int *cac_timeout) 2324 { 2325 return 0; 2326 } 2327 2328 static inline 2329 int dfs_override_cac_timeout(struct wlan_dfs *dfs, 2330 int cac_timeout) 2331 { 2332 return 0; 2333 } 2334 2335 static inline 2336 int dfs_is_ap_cac_timer_running(struct wlan_dfs *dfs) 2337 { 2338 return 0; 2339 } 2340 2341 static inline 2342 void dfs_cac_timer_attach(struct wlan_dfs *dfs) 2343 { 2344 } 2345 2346 static inline 2347 void dfs_cac_timer_reset(struct wlan_dfs *dfs) 2348 { 2349 } 2350 2351 static inline 2352 void dfs_cac_timer_detach(struct wlan_dfs *dfs) 2353 { 2354 } 2355 2356 static inline 2357 void dfs_deliver_cac_state_events(struct wlan_dfs *dfs) 2358 { 2359 } 2360 #endif 2361 /** 2362 * dfs_set_update_nol_flag() - Sets update_nol flag. 2363 * @dfs: Pointer to wlan_dfs structure. 2364 * @val: update_nol flag. 2365 */ 2366 void dfs_set_update_nol_flag(struct wlan_dfs *dfs, 2367 bool val); 2368 2369 /** 2370 * dfs_get_update_nol_flag() - Returns update_nol flag. 2371 * @dfs: Pointer to wlan_dfs structure. 2372 */ 2373 bool dfs_get_update_nol_flag(struct wlan_dfs *dfs); 2374 2375 /** 2376 * dfs_get_use_nol() - Get usenol. 2377 * @dfs: Pointer to wlan_dfs structure. 2378 */ 2379 int dfs_get_use_nol(struct wlan_dfs *dfs); 2380 2381 /** 2382 * dfs_get_nol_timeout() - Get NOL timeout. 2383 * @dfs: Pointer to wlan_dfs structure. 2384 */ 2385 int dfs_get_nol_timeout(struct wlan_dfs *dfs); 2386 2387 /** 2388 * dfs_control()- Used to process ioctls related to DFS. 2389 * @dfs: Pointer to wlan_dfs structure. 2390 * @id: Command type. 2391 * @indata: Input buffer. 2392 * @insize: size of the input buffer. 2393 * @outdata: A buffer for the results. 2394 * @outsize: Size of the output buffer. 2395 */ 2396 int dfs_control(struct wlan_dfs *dfs, 2397 u_int id, 2398 void *indata, 2399 uint32_t insize, 2400 void *outdata, 2401 uint32_t *outsize); 2402 2403 /** 2404 * dfs_getnol() - Wrapper function for dfs_get_nol() 2405 * @dfs: Pointer to wlan_dfs structure. 2406 * @dfs_nolinfo: Pointer to dfsreq_nolinfo structure. 2407 */ 2408 void dfs_getnol(struct wlan_dfs *dfs, 2409 void *dfs_nolinfo); 2410 2411 /** 2412 * dfs_clear_nolhistory() - unmarks WLAN_CHAN_CLR_HISTORY_RADAR flag for 2413 * all the channels in dfs_ch_channels. 2414 * @dfs: Pointer to wlan_dfs structure. 2415 */ 2416 #if !defined(MOBILE_DFS_SUPPORT) 2417 void dfs_clear_nolhistory(struct wlan_dfs *dfs); 2418 #else 2419 static inline void 2420 dfs_clear_nolhistory(struct wlan_dfs *dfs) 2421 { 2422 } 2423 #endif 2424 2425 /** 2426 * ol_if_dfs_configure() - Initialize the RADAR table for offload chipsets. 2427 * @dfs: Pointer to wlan_dfs structure. 2428 * 2429 * This is called during a channel change or regulatory domain 2430 * reset; in order to fetch the new configuration information and 2431 * program the DFS pattern matching module. 2432 * 2433 * Eventually this should be split into "fetch config" (which can 2434 * happen at regdomain selection time) and "configure DFS" (which 2435 * can happen at channel config time) so as to minimise overheads 2436 * when doing channel changes. However, this'll do for now. 2437 */ 2438 void ol_if_dfs_configure(struct wlan_dfs *dfs); 2439 2440 /** 2441 * dfs_init_radar_filters() - Init Radar filters. 2442 * @dfs: Pointer to wlan_dfs structure. 2443 * @radar_info: Pointer to wlan_dfs_radar_tab_info structure. 2444 */ 2445 int dfs_init_radar_filters(struct wlan_dfs *dfs, 2446 struct wlan_dfs_radar_tab_info *radar_info); 2447 2448 /** 2449 * dfs_print_filters() - Print the filters. 2450 * @dfs: Pointer to wlan_dfs structure. 2451 */ 2452 void dfs_print_filters(struct wlan_dfs *dfs); 2453 2454 /** 2455 * dfs_clear_stats() - Clear stats. 2456 * @dfs: Pointer to wlan_dfs structure. 2457 */ 2458 void dfs_clear_stats(struct wlan_dfs *dfs); 2459 2460 /** 2461 * dfs_radar_disable() - Disables the radar. 2462 * @dfs: Pointer to wlan_dfs structure. 2463 */ 2464 #if defined(WLAN_DFS_PARTIAL_OFFLOAD) 2465 int dfs_radar_disable(struct wlan_dfs *dfs); 2466 #else 2467 static inline int dfs_radar_disable(struct wlan_dfs *dfs) 2468 { 2469 return 0; 2470 } 2471 #endif 2472 2473 /** 2474 * dfs_get_debug_info() - Get debug info. 2475 * @dfs: Pointer to wlan_dfs structure. 2476 * @data: void pointer to the data to save dfs_proc_phyerr. 2477 */ 2478 int dfs_get_debug_info(struct wlan_dfs *dfs, 2479 void *data); 2480 2481 2482 /** 2483 * dfs_nol_timer_init() - Initialize NOL timers. 2484 * @dfs: Pointer to wlan_dfs structure. 2485 */ 2486 void dfs_nol_timer_init(struct wlan_dfs *dfs); 2487 2488 /** 2489 * dfs_nol_attach() - Initialize NOL variables. 2490 * @dfs: Pointer to wlan_dfs structure. 2491 */ 2492 void dfs_nol_attach(struct wlan_dfs *dfs); 2493 2494 /** 2495 * dfs_nol_detach() - Detach NOL variables. 2496 * @dfs: Pointer to wlan_dfs structure. 2497 */ 2498 void dfs_nol_detach(struct wlan_dfs *dfs); 2499 2500 /** 2501 * dfs_print_nolhistory() - Print NOL history. 2502 * @dfs: Pointer to wlan_dfs structure. 2503 */ 2504 void dfs_print_nolhistory(struct wlan_dfs *dfs); 2505 2506 /** 2507 * dfs_find_precac_secondary_vht80_chan() - Get a VHT80 channel with the 2508 * precac primary center frequency. 2509 * @dfs: Pointer to wlan_dfs structure. 2510 * @chan: Pointer to dfs channel structure. 2511 */ 2512 void dfs_find_precac_secondary_vht80_chan(struct wlan_dfs *dfs, 2513 struct dfs_channel *chan); 2514 2515 #ifdef WLAN_DFS_PRECAC_AUTO_CHAN_SUPPORT 2516 /** 2517 * dfs_precac_csa() - Automatically switch the channel to the DFS channel 2518 * on which PreCAC was completed without finding a RADAR. 2519 * Use CSA with TBTT_COUNT to switch the channel. 2520 * @dfs: Pointer to dfs handler. 2521 * 2522 * Return: Void 2523 */ 2524 void dfs_precac_csa(struct wlan_dfs *dfs); 2525 #endif 2526 2527 /** 2528 * dfs_phyerr_param_copy() - Function to copy src buf to dest buf. 2529 * @dst: dest buf. 2530 * @src: src buf. 2531 */ 2532 void dfs_phyerr_param_copy(struct wlan_dfs_phyerr_param *dst, 2533 struct wlan_dfs_phyerr_param *src); 2534 2535 /** 2536 * dfs_get_thresholds() - Get the threshold value. 2537 * @dfs: Pointer to wlan_dfs structure. 2538 * @param: Pointer to wlan_dfs_phyerr_param structure. 2539 */ 2540 #if defined(WLAN_DFS_PARTIAL_OFFLOAD) 2541 int dfs_get_thresholds(struct wlan_dfs *dfs, 2542 struct wlan_dfs_phyerr_param *param); 2543 #else 2544 static inline int dfs_get_thresholds(struct wlan_dfs *dfs, 2545 struct wlan_dfs_phyerr_param *param) 2546 { 2547 return 0; 2548 } 2549 #endif 2550 2551 /** 2552 * dfs_set_thresholds() - Sets the threshold value. 2553 * @dfs: Pointer to wlan_dfs structure. 2554 * @threshtype: DFS ioctl param type. 2555 * @value: Threshold value. 2556 */ 2557 #if defined(WLAN_DFS_PARTIAL_OFFLOAD) 2558 int dfs_set_thresholds(struct wlan_dfs *dfs, 2559 const uint32_t threshtype, 2560 const uint32_t value); 2561 #else 2562 static inline int dfs_set_thresholds(struct wlan_dfs *dfs, 2563 const uint32_t threshtype, 2564 const uint32_t value) 2565 { 2566 return 0; 2567 } 2568 #endif 2569 2570 /** 2571 * dfs_check_intersect_excl() - Check whether curfreq falls within lower_freq 2572 * and upper_freq, exclusively. 2573 * @low_freq : lower bound frequency value. 2574 * @high_freq: upper bound frequency value. 2575 * @chan_freq: Current frequency value to be checked. 2576 * 2577 * Return: returns true if overlap found, else returns false. 2578 */ 2579 #if defined(WLAN_DFS_PARTIAL_OFFLOAD) 2580 bool dfs_check_intersect_excl(int low_freq, int high_freq, int chan_freq); 2581 #else 2582 static inline bool dfs_check_intersect_excl(int low_freq, int high_freq, 2583 int chan_freq) 2584 { 2585 return false; 2586 } 2587 #endif 2588 2589 /** 2590 * dfs_check_etsi_overlap() - Check whether given frequency centre/channel 2591 * width entry overlap with frequency spread in any way. 2592 * @center_freq : current channel centre frequency. 2593 * @chan_width : current channel width. 2594 * @en302_502_freq_low : overlap frequency lower bound. 2595 * @en302_502_freq_high : overlap frequency upper bound. 2596 * 2597 * Return: returns 1 if overlap found, else returns 0. 2598 */ 2599 #if defined(WLAN_DFS_PARTIAL_OFFLOAD) 2600 int dfs_check_etsi_overlap(int center_freq, int chan_width, 2601 int en302_502_freq_low, int en302_502_freq_high); 2602 #else 2603 static inline int dfs_check_etsi_overlap(int center_freq, int chan_width, 2604 int en302_502_freq_low, 2605 int en302_502_freq_high) 2606 { 2607 return 0; 2608 } 2609 #endif 2610 2611 /** 2612 * dfs_is_en302_502_applicable() - Check whether current channel frequecy spread 2613 * overlaps with EN 302 502 radar type 2614 * frequency range. 2615 *@dfs: Pointer to wlan_dfs structure. 2616 * 2617 * Return: returns true if overlap found, else returns false. 2618 */ 2619 #if defined(WLAN_DFS_PARTIAL_OFFLOAD) 2620 bool dfs_is_en302_502_applicable(struct wlan_dfs *dfs); 2621 #else 2622 static inline bool dfs_is_en302_502_applicable(struct wlan_dfs *dfs) 2623 { 2624 return false; 2625 } 2626 #endif 2627 2628 #ifdef CONFIG_CHAN_FREQ_API 2629 /** 2630 * dfs_set_current_channel_for_freq() - Set DFS current channel. 2631 * @dfs: Pointer to wlan_dfs structure. 2632 * @dfs_chan_freq: Frequency in Mhz. 2633 * @dfs_chan_flags: Channel flags. 2634 * @dfs_chan_flagext: Extended channel flags. 2635 * @dfs_chan_ieee: IEEE channel number. 2636 * @dfs_chan_vhtop_freq_seg1: Channel Center frequency1. 2637 * @dfs_chan_vhtop_freq_seg2: Channel Center frequency2. 2638 * @dfs_chan_mhz_freq_seg1: Channel center frequency of primary segment in MHZ. 2639 * @dfs_chan_mhz_freq_seg2: Channel center frequency of secondary segment in MHZ 2640 * applicable only for 80+80MHZ mode of operation. 2641 * @dfs_chan_op_puncture_bitmap: Static channel puncturing of current channel. 2642 * @is_channel_updated: boolean to represent channel update. 2643 */ 2644 void dfs_set_current_channel_for_freq(struct wlan_dfs *dfs, 2645 uint16_t dfs_chan_freq, 2646 uint64_t dfs_chan_flags, 2647 uint16_t dfs_chan_flagext, 2648 uint8_t dfs_chan_ieee, 2649 uint8_t dfs_chan_vhtop_freq_seg1, 2650 uint8_t dfs_chan_vhtop_freq_seg2, 2651 uint16_t dfs_chan_mhz_freq_seg1, 2652 uint16_t dfs_chan_mhz_freq_seg2, 2653 uint16_t dfs_chan_op_puncture_bitmap, 2654 bool *is_channel_updated); 2655 #endif 2656 /** 2657 * dfs_get_nol_chfreq_and_chwidth() - Get channel freq and width from NOL list. 2658 * @dfs_nol: Pointer to NOL channel entry. 2659 * @nol_chfreq: Pointer to save channel frequency. 2660 * @nol_chwidth: Pointer to save channel width. 2661 * @index: Index to dfs_nol list. 2662 */ 2663 void dfs_get_nol_chfreq_and_chwidth(struct dfsreq_nolelem *dfs_nol, 2664 uint32_t *nol_chfreq, 2665 uint32_t *nol_chwidth, 2666 int index); 2667 2668 /** 2669 * bin5_rules_check_internal() - This is a extension of dfs_bin5_check(). 2670 * @dfs: Pointer to wlan_dfs structure. 2671 * @br: Pointer to dfs_bin5radars structure. 2672 * @bursts: Bursts. 2673 * @numevents: Number of events. 2674 * @prev: prev index. 2675 * @i: Index. 2676 * @this: index to br_elems[] 2677 */ 2678 void bin5_rules_check_internal(struct wlan_dfs *dfs, 2679 struct dfs_bin5radars *br, 2680 uint32_t *bursts, 2681 uint32_t *numevents, 2682 uint32_t prev, 2683 uint32_t i, 2684 uint32_t this, 2685 int *index); 2686 2687 /** 2688 * dfs_main_task_testtimer_init() - Initialize dfs task testtimer. 2689 * @dfs: Pointer to wlan_dfs structure. 2690 */ 2691 void dfs_main_task_testtimer_init(struct wlan_dfs *dfs); 2692 2693 /** 2694 * dfs_stop() - Clear dfs timers. 2695 * @dfs: Pointer to wlan_dfs structure. 2696 */ 2697 void dfs_stop(struct wlan_dfs *dfs); 2698 2699 /** 2700 * dfs_update_cur_chan_flags() - Update DFS channel flag and flagext. 2701 * @dfs: Pointer to wlan_dfs structure. 2702 * @flags: New channel flags 2703 * @flagext: New Extended flags 2704 */ 2705 void dfs_update_cur_chan_flags(struct wlan_dfs *dfs, 2706 uint64_t flags, 2707 uint16_t flagext); 2708 2709 /** 2710 * wlan_psoc_get_dfs_txops() - Get dfs_tx_ops pointer 2711 * @psoc: Pointer to psoc structure. 2712 * 2713 * Return: Pointer to dfs_tx_ops. 2714 */ 2715 struct wlan_lmac_if_dfs_tx_ops * 2716 wlan_psoc_get_dfs_txops(struct wlan_objmgr_psoc *psoc); 2717 2718 /** 2719 * dfs_nol_free_list() - Free NOL elements. 2720 * @dfs: Pointer to wlan_dfs structure. 2721 */ 2722 void dfs_nol_free_list(struct wlan_dfs *dfs); 2723 2724 /** 2725 * dfs_second_segment_radar_disable() - Disables the second segment radar. 2726 * @dfs: Pointer to wlan_dfs structure. 2727 * 2728 * This is called when AP detects the radar, to (potentially) disable 2729 * the radar code. 2730 * 2731 * Return: returns 0. 2732 */ 2733 int dfs_second_segment_radar_disable(struct wlan_dfs *dfs); 2734 2735 /** 2736 * dfs_fetch_nol_ie_info() - Fill NOL information to be sent with RCSA. 2737 * @dfs - Pointer to wlan_dfs structure. 2738 * @nol_ie_bandwidth - Minimum subchannel bandwidth. 2739 * @nol_ie_startfreq - Radar affected channel list's first subchannel's 2740 * - centre frequency. 2741 * @nol_ie_bitmap - NOL bitmap denoting affected subchannels. 2742 */ 2743 #if defined(QCA_DFS_RCSA_SUPPORT) 2744 void dfs_fetch_nol_ie_info(struct wlan_dfs *dfs, uint8_t *nol_ie_bandwidth, 2745 uint16_t *nol_ie_startfreq, uint8_t *nol_ie_bitmap); 2746 #else 2747 static inline 2748 void dfs_fetch_nol_ie_info(struct wlan_dfs *dfs, uint8_t *nol_ie_bandwidth, 2749 uint16_t *nol_ie_startfreq, uint8_t *nol_ie_bitmap) 2750 { 2751 *nol_ie_bandwidth = 0; 2752 *nol_ie_startfreq = 0; 2753 *nol_ie_bitmap = 0; 2754 } 2755 #endif 2756 2757 /** 2758 * dfs_set_rcsa_flags() - Set flags that are required for sending RCSA and 2759 * NOL IE. 2760 * @dfs: Pointer to wlan_dfs structure. 2761 * @is_rcsa_ie_sent: Boolean to check if RCSA IE should be sent or not. 2762 * @is_nol_ie_sent: Boolean to check if NOL IE should be sent or not. 2763 */ 2764 #if defined(QCA_DFS_RCSA_SUPPORT) 2765 void dfs_set_rcsa_flags(struct wlan_dfs *dfs, bool is_rcsa_ie_sent, 2766 bool is_nol_ie_sent); 2767 #else 2768 static inline 2769 void dfs_set_rcsa_flags(struct wlan_dfs *dfs, bool is_rcsa_ie_sent, 2770 bool is_nol_ie_sent) 2771 { 2772 } 2773 #endif 2774 2775 /** 2776 * dfs_get_rcsa_flags() - Get flags that are required for sending RCSA and 2777 * NOL IE. 2778 * @dfs: Pointer to wlan_dfs structure. 2779 * @is_rcsa_ie_sent: Boolean to check if RCSA IE should be sent or not. 2780 * @is_nol_ie_sent: Boolean to check if NOL IE should be sent or not. 2781 */ 2782 #if defined(QCA_DFS_RCSA_SUPPORT) 2783 void dfs_get_rcsa_flags(struct wlan_dfs *dfs, bool *is_rcsa_ie_sent, 2784 bool *is_nol_ie_sent); 2785 #else 2786 static inline 2787 void dfs_get_rcsa_flags(struct wlan_dfs *dfs, bool *is_rcsa_ie_sent, 2788 bool *is_nol_ie_sent) 2789 { 2790 *is_rcsa_ie_sent = false; 2791 *is_nol_ie_sent = false; 2792 } 2793 #endif 2794 2795 /** 2796 * dfs_process_nol_ie_bitmap() - Update NOL with external radar information. 2797 * @dfs - Pointer to wlan_dfs structure. 2798 * @nol_ie_bandwidth - Minimum subchannel bandwidth. 2799 * @nol_ie_starfreq - Radar affected channel list's first subchannel's 2800 * - centre frequency. 2801 * @nol_ie_bitmap - Bitmap denoting radar affected subchannels. 2802 * 2803 * Return: True if NOL IE should be propagated, else false. 2804 */ 2805 #if defined(QCA_DFS_RCSA_SUPPORT) 2806 bool dfs_process_nol_ie_bitmap(struct wlan_dfs *dfs, uint8_t nol_ie_bandwidth, 2807 uint16_t nol_ie_startfreq, 2808 uint8_t nol_ie_bitmap); 2809 #else 2810 static inline 2811 bool dfs_process_nol_ie_bitmap(struct wlan_dfs *dfs, uint8_t nol_ie_bandwidth, 2812 uint16_t nol_ie_startfreq, 2813 uint8_t nol_ie_bitmap) 2814 { 2815 return false; 2816 } 2817 #endif 2818 2819 /** 2820 * dfs_task_testtimer_reset() - stop dfs test timer. 2821 * @dfs: Pointer to wlan_dfs structure. 2822 */ 2823 void dfs_task_testtimer_reset(struct wlan_dfs *dfs); 2824 2825 /** 2826 * dfs_is_freq_in_nol() - check if given channel in nol list 2827 * @dfs: Pointer to wlan_dfs structure 2828 * @freq: channel frequency 2829 * 2830 * check if given channel in nol list. 2831 * 2832 * Return: true if channel in nol, false else 2833 */ 2834 bool dfs_is_freq_in_nol(struct wlan_dfs *dfs, uint32_t freq); 2835 2836 /** 2837 * dfs_task_testtimer_detach() - Free dfs test timer. 2838 * @dfs: Pointer to wlan_dfs structure. 2839 */ 2840 void dfs_task_testtimer_detach(struct wlan_dfs *dfs); 2841 2842 /** 2843 * dfs_timer_detach() - Free dfs timers. 2844 * @dfs: Pointer to wlan_dfs structure. 2845 */ 2846 void dfs_timer_detach(struct wlan_dfs *dfs); 2847 2848 /** 2849 * dfs_is_disable_radar_marking_set() - Check if radar marking is set on 2850 * NOL chan. 2851 * @dfs: Pointer to wlan_dfs structure. 2852 */ 2853 #if defined(WLAN_DFS_FULL_OFFLOAD) && defined(QCA_DFS_NOL_OFFLOAD) 2854 int dfs_is_disable_radar_marking_set(struct wlan_dfs *dfs, 2855 bool *disable_radar_marking); 2856 #else 2857 static inline int dfs_is_disable_radar_marking_set(struct wlan_dfs *dfs, 2858 bool *disable_radar_marking) 2859 { 2860 return QDF_STATUS_SUCCESS; 2861 } 2862 #endif 2863 /** 2864 * dfs_get_disable_radar_marking() - Get the value of disable radar marking. 2865 * @dfs: Pointer to wlan_dfs structure. 2866 */ 2867 #if defined(WLAN_DFS_FULL_OFFLOAD) && defined(QCA_DFS_NOL_OFFLOAD) 2868 bool dfs_get_disable_radar_marking(struct wlan_dfs *dfs); 2869 #else 2870 static inline bool dfs_get_disable_radar_marking(struct wlan_dfs *dfs) 2871 { 2872 return false; 2873 } 2874 #endif 2875 2876 /** 2877 * dfs_reset_agile_config() - Reset the ADFS config variables. 2878 * @dfs: Pointer to dfs_soc_priv_obj. 2879 */ 2880 #ifdef QCA_SUPPORT_AGILE_DFS 2881 void dfs_reset_agile_config(struct dfs_soc_priv_obj *dfs_soc); 2882 #endif 2883 2884 /** 2885 * dfs_reinit_timers() - Reinit timers in DFS. 2886 * @dfs: Pointer to wlan_dfs. 2887 */ 2888 int dfs_reinit_timers(struct wlan_dfs *dfs); 2889 2890 /** 2891 * dfs_reset_dfs_prevchan() - Reset DFS previous channel structure. 2892 * @dfs: Pointer to wlan_dfs object. 2893 * 2894 * Return: None. 2895 */ 2896 void dfs_reset_dfs_prevchan(struct wlan_dfs *dfs); 2897 2898 /** 2899 * dfs_init_tmp_psoc_nol() - Init temporary psoc NOL structure. 2900 * @dfs: Pointer to wlan_dfs object. 2901 * @num_radios: Num of radios in the PSOC. 2902 * 2903 * Return: void. 2904 */ 2905 void dfs_init_tmp_psoc_nol(struct wlan_dfs *dfs, uint8_t num_radios); 2906 2907 /** 2908 * dfs_deinit_tmp_psoc_nol() - De-init temporary psoc NOL structure. 2909 * @dfs: Pointer to wlan_dfs object. 2910 * 2911 * Return: void. 2912 */ 2913 void dfs_deinit_tmp_psoc_nol(struct wlan_dfs *dfs); 2914 2915 /** 2916 * dfs_save_dfs_nol_in_psoc() - Save NOL data of given pdev. 2917 * @dfs: Pointer to wlan_dfs object. 2918 * @pdev_id: The pdev ID which will have the NOL data. 2919 * 2920 * Based on the frequency of the NOL channel, copy it to the target pdev_id 2921 * structure in psoc. 2922 * 2923 * Return: void. 2924 */ 2925 void dfs_save_dfs_nol_in_psoc(struct wlan_dfs *dfs, uint8_t pdev_id); 2926 2927 /** 2928 * dfs_reinit_nol_from_psoc_copy() - Reinit saved NOL data to corresponding 2929 * DFS object. 2930 * @dfs: Pointer to wlan_dfs object. 2931 * @pdev_id: pdev_id of the given dfs object. 2932 * @low_5ghz_freq: The low 5GHz frequency value of the target pdev id. 2933 * @high_5ghz_freq: The high 5GHz frequency value of the target pdev id. 2934 * 2935 * Return: void. 2936 */ 2937 void dfs_reinit_nol_from_psoc_copy(struct wlan_dfs *dfs, 2938 uint8_t pdev_id, 2939 uint16_t low_5ghz_freq, 2940 uint16_t high_5ghz_freq); 2941 2942 /** 2943 * dfs_is_hw_mode_switch_in_progress() - Check if HW mode switch in progress. 2944 * @dfs: Pointer to wlan_dfs object. 2945 * 2946 * Return: True if mode switch is in progress, else false. 2947 */ 2948 #ifdef QCA_HW_MODE_SWITCH 2949 bool dfs_is_hw_mode_switch_in_progress(struct wlan_dfs *dfs); 2950 #else 2951 static inline 2952 bool dfs_is_hw_mode_switch_in_progress(struct wlan_dfs *dfs) 2953 { 2954 return false; 2955 } 2956 #endif 2957 2958 /** 2959 * dfs_start_mode_switch_defer_timer() - start mode switch defer timer. 2960 * @dfs: Pointer to wlan_dfs object. 2961 * 2962 * Return: void. 2963 */ 2964 void dfs_start_mode_switch_defer_timer(struct wlan_dfs *dfs); 2965 2966 /** 2967 * dfs_complete_deferred_tasks() - Process mode switch completion event and 2968 * handle deferred tasks. 2969 * @dfs: Pointer to wlan_dfs object. 2970 * 2971 * Return: void. 2972 */ 2973 void dfs_complete_deferred_tasks(struct wlan_dfs *dfs); 2974 2975 /** 2976 * dfs_process_cac_completion() - Process DFS CAC completion event. 2977 * @dfs: Pointer to wlan_dfs object. 2978 * 2979 * Return: void. 2980 */ 2981 void dfs_process_cac_completion(struct wlan_dfs *dfs); 2982 2983 #ifdef WLAN_DFS_TRUE_160MHZ_SUPPORT 2984 /** 2985 * dfs_is_true_160mhz_supported() - Find if true 160MHz is supported. 2986 * @dfs: Pointer to wlan_dfs object. 2987 * 2988 * Return: True if true 160MHz is supported, else false. 2989 */ 2990 bool dfs_is_true_160mhz_supported(struct wlan_dfs *dfs); 2991 2992 /** 2993 * dfs_is_restricted_80p80mhz_supported() - Find if restricted 80p80mhz is 2994 * supported. 2995 * @dfs: Pointer to wlan_dfs object. 2996 * 2997 * Return: True if restricted 160MHz is supported, else false. 2998 */ 2999 bool dfs_is_restricted_80p80mhz_supported(struct wlan_dfs *dfs); 3000 #else 3001 static inline bool dfs_is_true_160mhz_supported(struct wlan_dfs *dfs) 3002 { 3003 return false; 3004 } 3005 3006 static inline bool dfs_is_restricted_80p80mhz_supported(struct wlan_dfs *dfs) 3007 { 3008 return false; 3009 } 3010 #endif /* WLAN_DFS_TRUE_160MHZ_SUPPORT */ 3011 3012 /** 3013 * dfs_get_agile_detector_id() - Find the Agile detector ID for given DFS. 3014 * @dfs: Pointer to wlan_dfs object. 3015 * 3016 * Return: Agile detector value (uint8_t). 3017 */ 3018 #ifdef QCA_SUPPORT_AGILE_DFS 3019 uint8_t dfs_get_agile_detector_id(struct wlan_dfs *dfs); 3020 #else 3021 static inline uint8_t dfs_get_agile_detector_id(struct wlan_dfs *dfs) 3022 { 3023 return INVALID_DETECTOR_ID; 3024 } 3025 #endif 3026 3027 /** 3028 * dfs_is_new_chan_subset_of_old_chan() - Find if new channel is subset of 3029 * old channel. 3030 * @dfs: Pointer to wlan_dfs structure. 3031 * @new_chan: Pointer to new channel of dfs_channel structure. 3032 * @old_chan: Pointer to old channel of dfs_channel structure. 3033 * 3034 * Return: True if new channel is subset of old channel, else false. 3035 */ 3036 bool dfs_is_new_chan_subset_of_old_chan(struct wlan_dfs *dfs, 3037 struct dfs_channel *new_chan, 3038 struct dfs_channel *old_chan); 3039 3040 /** 3041 * dfs_find_dfs_sub_channels_for_freq() - Given a dfs channel, find its 3042 * HT20 subset channels. 3043 * @dfs: Pointer to wlan_dfs structure. 3044 * @chan: Pointer to dfs_channel structure. 3045 * @subchan_arr: Pointer to subchannels array. 3046 * 3047 * Return: Number of sub channels. 3048 */ 3049 uint8_t dfs_find_dfs_sub_channels_for_freq(struct wlan_dfs *dfs, 3050 struct dfs_channel *chan, 3051 uint16_t *subchan_arr); 3052 3053 /** 3054 * dfs_clear_cac_started_chan() - Clear dfs cac started channel. 3055 * @dfs: Pointer to wlan_dfs structure. 3056 */ 3057 void dfs_clear_cac_started_chan(struct wlan_dfs *dfs); 3058 3059 #ifdef QCA_DFS_BANGRADAR 3060 /** 3061 * dfs_bangradar() - Handles all type of Bangradar. 3062 * @dfs: Pointer to wlan_dfs structure. 3063 * @indata: reference to input data 3064 * @insize: input data size 3065 * 3066 */ 3067 int dfs_bang_radar(struct wlan_dfs *dfs, void *indata, uint32_t insize); 3068 #else 3069 static inline int 3070 dfs_bang_radar(struct wlan_dfs *dfs, void *indata, uint32_t insize) 3071 { 3072 return 0; 3073 } 3074 #endif 3075 3076 #if defined(QCA_SUPPORT_DFS_CHAN_POSTNOL) 3077 void dfs_postnol_attach(struct wlan_dfs *dfs); 3078 #else 3079 static inline void dfs_postnol_attach(struct wlan_dfs *dfs) 3080 { 3081 } 3082 #endif 3083 3084 #ifdef CONFIG_HOST_FIND_CHAN 3085 /** 3086 * wlan_is_chan_radar() - Checks if a given dfs channel is in NOL or not. 3087 * @dfs: Pointer to wlan_dfs structure. 3088 * @chan: Pointer to the dfs channel structure. 3089 * 3090 * Return: True if the channel has detected radar, else false. 3091 */ 3092 bool wlan_is_chan_radar(struct wlan_dfs *dfs, struct dfs_channel *chan); 3093 3094 /** 3095 * wlan_is_chan_history_radar() - Checks if a given dfs channel is in NOL 3096 * history or not. 3097 * @dfs: Pointer to wlan_dfs structure. 3098 * @chan: Pointer to the dfs channel structure. 3099 * 3100 * Return: True if the channel is marked as radar history, else false. 3101 */ 3102 bool wlan_is_chan_history_radar(struct wlan_dfs *dfs, struct dfs_channel *chan); 3103 #else 3104 static inline bool 3105 wlan_is_chan_radar(struct wlan_dfs *dfs, struct dfs_channel *chan) 3106 { 3107 return false; 3108 } 3109 3110 static inline bool 3111 wlan_is_chan_history_radar(struct wlan_dfs *dfs, struct dfs_channel *chan) 3112 { 3113 return false; 3114 } 3115 #endif /* CONFIG_HOST_FIND_CHAN */ 3116 3117 #if defined(QCA_SUPPORT_ADFS_RCAC) && \ 3118 defined(WLAN_DFS_PRECAC_AUTO_CHAN_SUPPORT) && \ 3119 defined(QCA_SUPPORT_AGILE_DFS) 3120 /** 3121 * dfs_restart_rcac_on_nol_expiry() - If the chosen desired channel is 3122 * radar infected during RCAC, trigger RCAC on desired channel after 3123 * NOL expiry. 3124 * @dfs: Pointer to wlan_dfs structure. 3125 * 3126 * Return: True if rcac is started, false otherwise 3127 */ 3128 bool dfs_restart_rcac_on_nol_expiry(struct wlan_dfs *dfs); 3129 #else 3130 static inline bool 3131 dfs_restart_rcac_on_nol_expiry(struct wlan_dfs *dfs) 3132 { 3133 return false; 3134 } 3135 #endif 3136 3137 /** 3138 * dfs_chan_to_ch_width: Outputs the channel width in MHz of the given input 3139 * dfs_channel. 3140 * 3141 * chan: Pointer to the input dfs_channel structure. 3142 * 3143 * Return: Channel width in MHz. (uint16) -EINVAL on invalid channel. 3144 */ 3145 uint16_t dfs_chan_to_ch_width(struct dfs_channel *chan); 3146 #endif /* _DFS_H_ */ 3147