1 /* 2 * Copyright (c) 2016-2018 The Linux Foundation. All rights reserved. 3 * Copyright (c) 2002-2010, Atheros Communications Inc. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 /** 19 * DOC: This file contains NOL related functionality, NOL being the non 20 * occupancy list. After radar has been detected in a particular channel, 21 * the channel cannot be used for a period of 30 minutes which is called 22 * the non occupancy. The NOL is basically a list of all the channels that 23 * radar has been detected on. Each channel has a 30 minute timer associated 24 * with it. This file contains the functionality to add a channel to the NOL, 25 * the NOL timer function and the functionality to remove a channel from the 26 * NOL when its time is up. 27 */ 28 29 #include "../dfs.h" 30 #include "../dfs_channel.h" 31 #include "../dfs_ioctl_private.h" 32 #include "../dfs_internal.h" 33 #include <qdf_time.h> 34 #include <wlan_dfs_mlme_api.h> 35 #include <wlan_dfs_utils_api.h> 36 #include <wlan_reg_services_api.h> 37 #if defined(WLAN_DFS_PARTIAL_OFFLOAD) && defined(HOST_DFS_SPOOF_TEST) 38 #include "../dfs_process_radar_found_ind.h" 39 #include "../dfs_partial_offload_radar.h" 40 #endif 41 42 void dfs_set_update_nol_flag(struct wlan_dfs *dfs, bool val) 43 { 44 dfs->update_nol = val; 45 } 46 47 bool dfs_get_update_nol_flag(struct wlan_dfs *dfs) 48 { 49 return dfs->update_nol; 50 } 51 52 /** 53 * dfs_nol_timeout() - NOL timeout function. 54 * 55 * Clears the WLAN_CHAN_DFS_RADAR_FOUND flag for the NOL timeout channel. 56 */ 57 static os_timer_func(dfs_nol_timeout) 58 { 59 struct dfs_channel *c = NULL, lc; 60 unsigned long oldest, now; 61 struct wlan_dfs *dfs = NULL; 62 int i; 63 int nchans = 0; 64 65 c = &lc; 66 67 OS_GET_TIMER_ARG(dfs, struct wlan_dfs *); 68 dfs_mlme_get_dfs_ch_nchans(dfs->dfs_pdev_obj, &nchans); 69 70 now = oldest = qdf_system_ticks(); 71 for (i = 0; i < nchans; i++) { 72 dfs_mlme_get_dfs_ch_channels(dfs->dfs_pdev_obj, 73 &(c->dfs_ch_freq), 74 &(c->dfs_ch_flags), 75 &(c->dfs_ch_flagext), 76 &(c->dfs_ch_ieee), 77 &(c->dfs_ch_vhtop_ch_freq_seg1), 78 &(c->dfs_ch_vhtop_ch_freq_seg2), 79 i); 80 if (WLAN_IS_CHAN_RADAR(c)) { 81 if (qdf_system_time_after_eq(now, 82 dfs->dfs_nol_event[i] + 83 dfs_get_nol_timeout(dfs))) { 84 c->dfs_ch_flagext &= 85 ~WLAN_CHAN_DFS_RADAR_FOUND; 86 if (c->dfs_ch_flags & 87 WLAN_CHAN_DFS_RADAR) { 88 /* 89 * NB: do this here so we get only one 90 * msg instead of one for every channel 91 * table entry. 92 */ 93 dfs_debug(dfs, WLAN_DEBUG_DFS, 94 "radar on channel %u (%u MHz) cleared after timeout", 95 96 c->dfs_ch_ieee, 97 c->dfs_ch_freq); 98 } 99 } else if (dfs->dfs_nol_event[i] < oldest) 100 oldest = dfs->dfs_nol_event[i]; 101 } 102 } 103 if (oldest != now) { 104 /* Arrange to process next channel up for a status change. */ 105 qdf_timer_mod(&dfs->dfs_nol_timer, 106 dfs_get_nol_timeout(dfs) - 107 qdf_system_ticks_to_msecs(qdf_system_ticks())); 108 } 109 } 110 111 /** 112 * dfs_nol_elem_free_work_cb - Free NOL element 113 * 114 * Free the NOL element memory 115 */ 116 static void dfs_nol_elem_free_work_cb(void *context) 117 { 118 struct wlan_dfs *dfs = (struct wlan_dfs *)context; 119 struct dfs_nolelem *tmp_nol_entry, *nol_entry; 120 121 WLAN_DFSNOL_LOCK(dfs); 122 if (!TAILQ_EMPTY(&dfs->dfs_nol_free_list)) 123 TAILQ_FOREACH_SAFE(nol_entry, 124 &dfs->dfs_nol_free_list, 125 nolelem_list, 126 tmp_nol_entry) { 127 TAILQ_REMOVE(&dfs->dfs_nol_free_list, 128 nol_entry, nolelem_list); 129 WLAN_DFSNOL_UNLOCK(dfs); 130 qdf_timer_free(&nol_entry->nol_timer); 131 WLAN_DFSNOL_LOCK(dfs); 132 qdf_mem_free(nol_entry); 133 } 134 WLAN_DFSNOL_UNLOCK(dfs); 135 } 136 137 void dfs_nol_timer_init(struct wlan_dfs *dfs) 138 { 139 qdf_timer_init(NULL, 140 &(dfs->dfs_nol_timer), 141 dfs_nol_timeout, 142 (void *)(dfs), 143 QDF_TIMER_TYPE_WAKE_APPS); 144 } 145 146 void dfs_nol_attach(struct wlan_dfs *dfs) 147 { 148 dfs->wlan_dfs_nol_timeout = DFS_NOL_TIMEOUT_S; 149 dfs_nol_timer_init(dfs); 150 qdf_create_work(NULL, &dfs->dfs_nol_elem_free_work, 151 dfs_nol_elem_free_work_cb, dfs); 152 TAILQ_INIT(&dfs->dfs_nol_free_list); 153 dfs->dfs_use_nol = 1; 154 WLAN_DFSNOL_LOCK_CREATE(dfs); 155 } 156 157 void dfs_nol_detach(struct wlan_dfs *dfs) 158 { 159 dfs_nol_timer_cleanup(dfs); 160 qdf_flush_work(&dfs->dfs_nol_elem_free_work); 161 qdf_destroy_work(NULL, &dfs->dfs_nol_elem_free_work); 162 WLAN_DFSNOL_LOCK_DESTROY(dfs); 163 } 164 165 void dfs_nol_timer_detach(struct wlan_dfs *dfs) 166 { 167 qdf_timer_free(&dfs->dfs_nol_timer); 168 } 169 170 /** 171 * dfs_nol_delete() - Delete the given frequency/chwidth from the NOL. 172 * @dfs: Pointer to wlan_dfs structure. 173 * @delfreq: Freq to delete. 174 * @delchwidth: Channel width to delete. 175 */ 176 static void dfs_nol_delete(struct wlan_dfs *dfs, 177 uint16_t delfreq, 178 uint16_t delchwidth) 179 { 180 struct dfs_nolelem *nol, **prev_next; 181 182 if (!dfs) { 183 dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "dfs is NULL"); 184 return; 185 } 186 187 dfs_debug(dfs, WLAN_DEBUG_DFS_NOL, 188 "remove channel=%d/%d MHz from NOL", 189 delfreq, delchwidth); 190 prev_next = &(dfs->dfs_nol); 191 nol = dfs->dfs_nol; 192 while (nol != NULL) { 193 if (nol->nol_freq == delfreq && 194 nol->nol_chwidth == delchwidth) { 195 *prev_next = nol->nol_next; 196 dfs_debug(dfs, WLAN_DEBUG_DFS_NOL, 197 "removing channel %d/%dMHz from NOL tstamp=%d", 198 nol->nol_freq, 199 nol->nol_chwidth, 200 (qdf_system_ticks_to_msecs 201 (qdf_system_ticks()) / 1000)); 202 TAILQ_INSERT_TAIL(&dfs->dfs_nol_free_list, 203 nol, nolelem_list); 204 nol = *prev_next; 205 206 /* Update the NOL counter. */ 207 dfs->dfs_nol_count--; 208 209 /* Be paranoid! */ 210 if (dfs->dfs_nol_count < 0) { 211 dfs_info(NULL, WLAN_DEBUG_DFS_ALWAYS, "dfs_nol_count < 0; eek!"); 212 dfs->dfs_nol_count = 0; 213 } 214 215 } else { 216 prev_next = &(nol->nol_next); 217 nol = nol->nol_next; 218 } 219 } 220 } 221 222 /** 223 * dfs_remove_from_nol() - Remove the freq from NOL list. 224 * 225 * When NOL times out, this function removes the channel from NOL list. 226 */ 227 static os_timer_func(dfs_remove_from_nol) 228 { 229 struct dfs_nolelem *nol_arg; 230 struct wlan_dfs *dfs; 231 uint16_t delfreq; 232 uint16_t delchwidth; 233 uint8_t chan; 234 235 OS_GET_TIMER_ARG(nol_arg, struct dfs_nolelem *); 236 237 dfs = nol_arg->nol_dfs; 238 delfreq = nol_arg->nol_freq; 239 delchwidth = nol_arg->nol_chwidth; 240 241 /* Delete the given NOL entry. */ 242 DFS_NOL_DELETE_CHAN_LOCKED(dfs, delfreq, delchwidth); 243 244 /* Update the wireless stack with the new NOL. */ 245 dfs_nol_update(dfs); 246 247 dfs_mlme_nol_timeout_notification(dfs->dfs_pdev_obj); 248 chan = utils_dfs_freq_to_chan(delfreq); 249 dfs_debug(dfs, WLAN_DEBUG_DFS_NOL, 250 "remove channel %d from nol", chan); 251 utils_dfs_reg_update_nol_ch(dfs->dfs_pdev_obj, 252 &chan, 1, DFS_NOL_RESET); 253 utils_dfs_save_nol(dfs->dfs_pdev_obj); 254 255 /* 256 * Free the NOL element in a thread. This is to avoid freeing the 257 * timer object from within timer callback function . The nol element 258 * contains the timer Object. 259 */ 260 qdf_sched_work(NULL, &dfs->dfs_nol_elem_free_work); 261 } 262 263 void dfs_print_nol(struct wlan_dfs *dfs) 264 { 265 struct dfs_nolelem *nol; 266 int i = 0; 267 uint32_t diff_ms, remaining_sec; 268 269 if (!dfs) { 270 dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "dfs is NULL"); 271 return; 272 } 273 274 nol = dfs->dfs_nol; 275 dfs_debug(dfs, WLAN_DEBUG_DFS_NOL, "NOL"); 276 while (nol != NULL) { 277 diff_ms = qdf_system_ticks_to_msecs(qdf_system_ticks() - 278 nol->nol_start_ticks); 279 diff_ms = (nol->nol_timeout_ms - diff_ms); 280 remaining_sec = diff_ms / 1000; /* Convert to seconds */ 281 dfs_info(NULL, WLAN_DEBUG_DFS_ALWAYS, 282 "nol:%d channel=%d MHz width=%d MHz time left=%u seconds nol starttick=%llu", 283 i++, nol->nol_freq, 284 nol->nol_chwidth, 285 remaining_sec, 286 (uint64_t)nol->nol_start_ticks); 287 nol = nol->nol_next; 288 } 289 } 290 291 void dfs_print_nolhistory(struct wlan_dfs *dfs) 292 { 293 struct dfs_channel *c, lc; 294 int i, j = 0; 295 int nchans = 0; 296 297 if (!dfs) { 298 dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "dfs is NULL"); 299 return; 300 } 301 302 c = &lc; 303 304 dfs_mlme_get_dfs_ch_nchans(dfs->dfs_pdev_obj, &nchans); 305 for (i = 0; i < nchans; i++) { 306 dfs_mlme_get_dfs_ch_channels(dfs->dfs_pdev_obj, 307 &(c->dfs_ch_freq), 308 &(c->dfs_ch_flags), 309 &(c->dfs_ch_flagext), 310 &(c->dfs_ch_ieee), 311 &(c->dfs_ch_vhtop_ch_freq_seg1), 312 &(c->dfs_ch_vhtop_ch_freq_seg2), 313 i); 314 if (WLAN_IS_CHAN_HISTORY_RADAR(c)) { 315 dfs_info(NULL, WLAN_DEBUG_DFS_ALWAYS, 316 "nolhistory:%d channel=%d MHz Flags=%llx", 317 j, c->dfs_ch_freq, c->dfs_ch_flags); 318 j++; 319 } 320 } 321 } 322 323 void dfs_get_nol(struct wlan_dfs *dfs, 324 struct dfsreq_nolelem *dfs_nol, 325 int *nchan) 326 { 327 struct dfs_nolelem *nol; 328 329 *nchan = 0; 330 331 if (!dfs) { 332 dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "dfs is NULL"); 333 return; 334 } 335 336 nol = dfs->dfs_nol; 337 while (nol != NULL) { 338 dfs_nol[*nchan].nol_freq = nol->nol_freq; 339 dfs_nol[*nchan].nol_chwidth = nol->nol_chwidth; 340 dfs_nol[*nchan].nol_start_ticks = nol->nol_start_ticks; 341 dfs_nol[*nchan].nol_timeout_ms = nol->nol_timeout_ms; 342 ++(*nchan); 343 nol = nol->nol_next; 344 } 345 } 346 347 void dfs_set_nol(struct wlan_dfs *dfs, 348 struct dfsreq_nolelem *dfs_nol, 349 int nchan) 350 { 351 #define TIME_IN_MS 1000 352 uint32_t nol_time_left_ms; 353 struct dfs_channel chan; 354 int i; 355 uint8_t chan_num; 356 357 if (!dfs) { 358 dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "dfs is NULL"); 359 return; 360 } 361 362 for (i = 0; i < nchan; i++) { 363 nol_time_left_ms = 364 qdf_system_ticks_to_msecs(qdf_system_ticks() - 365 dfs_nol[i].nol_start_ticks); 366 367 if (nol_time_left_ms < dfs_nol[i].nol_timeout_ms) { 368 chan.dfs_ch_freq = dfs_nol[i].nol_freq; 369 chan.dfs_ch_flags = 0; 370 chan.dfs_ch_flagext = 0; 371 nol_time_left_ms = 372 (dfs_nol[i].nol_timeout_ms - nol_time_left_ms); 373 374 DFS_NOL_ADD_CHAN_LOCKED(dfs, chan.dfs_ch_freq, 375 (nol_time_left_ms / TIME_IN_MS)); 376 chan_num = utils_dfs_freq_to_chan(chan.dfs_ch_freq); 377 utils_dfs_reg_update_nol_ch(dfs->dfs_pdev_obj, 378 &chan_num, 1, DFS_NOL_SET); 379 } 380 } 381 #undef TIME_IN_MS 382 dfs_nol_update(dfs); 383 } 384 385 void dfs_nol_addchan(struct wlan_dfs *dfs, 386 uint16_t freq, 387 uint32_t dfs_nol_timeout) 388 { 389 #define TIME_IN_MS 1000 390 #define TIME_IN_US (TIME_IN_MS * 1000) 391 struct dfs_nolelem *nol, *elem, *prev; 392 /* For now, assume all events are 20MHz wide. */ 393 int ch_width = 20; 394 395 if (!dfs) { 396 dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "dfs is NULL"); 397 return; 398 } 399 nol = dfs->dfs_nol; 400 prev = dfs->dfs_nol; 401 elem = NULL; 402 while (nol != NULL) { 403 if ((nol->nol_freq == freq) && 404 (nol->nol_chwidth == ch_width)) { 405 nol->nol_start_ticks = qdf_system_ticks(); 406 nol->nol_timeout_ms = dfs_nol_timeout * TIME_IN_MS; 407 408 dfs_debug(dfs, WLAN_DEBUG_DFS_NOL, 409 "Update OS Ticks for NOL %d MHz / %d MHz", 410 nol->nol_freq, nol->nol_chwidth); 411 412 qdf_timer_stop(&nol->nol_timer); 413 qdf_timer_mod(&nol->nol_timer, 414 dfs_nol_timeout * TIME_IN_MS); 415 return; 416 } 417 prev = nol; 418 nol = nol->nol_next; 419 } 420 421 /* Add a new element to the NOL. */ 422 elem = (struct dfs_nolelem *)qdf_mem_malloc(sizeof(struct dfs_nolelem)); 423 if (!elem) 424 goto bad; 425 426 qdf_mem_zero(elem, sizeof(*elem)); 427 elem->nol_dfs = dfs; 428 elem->nol_freq = freq; 429 elem->nol_chwidth = ch_width; 430 elem->nol_start_ticks = qdf_system_ticks(); 431 elem->nol_timeout_ms = dfs_nol_timeout*TIME_IN_MS; 432 elem->nol_next = NULL; 433 if (prev) { 434 prev->nol_next = elem; 435 } else { 436 /* This is the first element in the NOL. */ 437 dfs->dfs_nol = elem; 438 } 439 440 qdf_timer_init(NULL, 441 &elem->nol_timer, dfs_remove_from_nol, 442 elem, QDF_TIMER_TYPE_WAKE_APPS); 443 qdf_timer_mod(&elem->nol_timer, dfs_nol_timeout * TIME_IN_MS); 444 445 /* Update the NOL counter. */ 446 dfs->dfs_nol_count++; 447 448 dfs_debug(dfs, WLAN_DEBUG_DFS_NOL, 449 "new NOL channel %d MHz / %d MHz", 450 elem->nol_freq, elem->nol_chwidth); 451 return; 452 453 bad: 454 dfs_debug(dfs, WLAN_DEBUG_DFS_NOL | WLAN_DEBUG_DFS, 455 "failed to allocate memory for nol entry"); 456 457 #undef TIME_IN_MS 458 #undef TIME_IN_US 459 } 460 461 void dfs_get_nol_chfreq_and_chwidth(struct dfsreq_nolelem *dfs_nol, 462 uint32_t *nol_chfreq, 463 uint32_t *nol_chwidth, 464 int index) 465 { 466 if (!dfs_nol) 467 return; 468 469 *nol_chfreq = dfs_nol[index].nol_freq; 470 *nol_chwidth = dfs_nol[index].nol_chwidth; 471 } 472 473 void dfs_nol_update(struct wlan_dfs *dfs) 474 { 475 struct dfsreq_nolelem *dfs_nol; 476 int nlen; 477 478 if (!dfs->dfs_nol_count) { 479 dfs_debug(dfs, WLAN_DEBUG_DFS_NOL, "dfs_nol_count is zero"); 480 return; 481 } 482 483 /* 484 * Allocate enough entries to store the NOL. At least on Linux 485 * (don't ask why), if you allocate a 0 entry array, the 486 * returned pointer is 0x10. Make sure you're aware of this 487 * when you start debugging. 488 */ 489 dfs_nol = (struct dfsreq_nolelem *)qdf_mem_malloc( 490 sizeof(struct dfsreq_nolelem) * dfs->dfs_nol_count); 491 492 if (!dfs_nol) { 493 /* 494 * XXX TODO: if this fails, just schedule a task to retry 495 * updating the NOL at a later stage. That way the NOL 496 * update _DOES_ happen - hopefully the failure was just 497 * temporary. 498 */ 499 dfs_alert(dfs, WLAN_DEBUG_DFS_ALWAYS, "failed to allocate NOL update memory!"); 500 return; 501 } 502 503 DFS_GET_NOL_LOCKED(dfs, dfs_nol, &nlen); 504 505 /* Be suitably paranoid for now. */ 506 if (nlen != dfs->dfs_nol_count) 507 dfs_info(NULL, WLAN_DEBUG_DFS_ALWAYS, "nlen (%d) != dfs->dfs_nol_count (%d)!", 508 nlen, dfs->dfs_nol_count); 509 510 /* 511 * Call the driver layer to have it recalculate the NOL flags 512 * for each driver/umac channel. If the list is empty, pass 513 * NULL instead of dfs_nol. The operating system may have some 514 * special representation for "malloc a 0 byte memory region" 515 * - for example, Linux 2.6.38-13 (ubuntu) returns 0x10 rather 516 * than a valid allocation (and is likely not NULL so the 517 * pointer doesn't match NULL checks in any later code. 518 */ 519 dfs_mlme_clist_update(dfs->dfs_pdev_obj, 520 (nlen > 0) ? dfs_nol : NULL, 521 nlen); 522 523 qdf_mem_free(dfs_nol); 524 } 525 526 void dfs_nol_free_list(struct wlan_dfs *dfs) 527 { 528 struct dfs_nolelem *nol = dfs->dfs_nol, *prev; 529 530 while (nol) { 531 prev = nol; 532 nol = nol->nol_next; 533 qdf_mem_free(prev); 534 /* Update the NOL counter. */ 535 dfs->dfs_nol_count--; 536 537 if (dfs->dfs_nol_count < 0) { 538 dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "dfs_nol_count < 0"); 539 ASSERT(0); 540 } 541 } 542 543 dfs->dfs_nol = NULL; 544 } 545 546 void dfs_nol_timer_cleanup(struct wlan_dfs *dfs) 547 { 548 struct dfs_nolelem *nol; 549 550 WLAN_DFSNOL_LOCK(dfs); 551 nol = dfs->dfs_nol; 552 while (nol) { 553 dfs->dfs_nol = nol->nol_next; 554 dfs->dfs_nol_count--; 555 /* 556 * Unlock is required so that when we sync with the 557 * nol_timeout timer we do not run into deadlock. 558 */ 559 WLAN_DFSNOL_UNLOCK(dfs); 560 qdf_timer_free(&nol->nol_timer); 561 WLAN_DFSNOL_LOCK(dfs); 562 563 qdf_mem_free(nol); 564 nol = dfs->dfs_nol; 565 } 566 WLAN_DFSNOL_UNLOCK(dfs); 567 } 568 569 void dfs_nol_workqueue_cleanup(struct wlan_dfs *dfs) 570 { 571 qdf_flush_work(&dfs->dfs_nol_elem_free_work); 572 } 573 574 int dfs_get_use_nol(struct wlan_dfs *dfs) 575 { 576 return dfs->dfs_use_nol; 577 } 578 579 int dfs_get_nol_timeout(struct wlan_dfs *dfs) 580 { 581 return dfs->wlan_dfs_nol_timeout; 582 } 583 584 void dfs_getnol(struct wlan_dfs *dfs, void *dfs_nolinfo) 585 { 586 struct dfsreq_nolinfo *nolinfo = (struct dfsreq_nolinfo *)dfs_nolinfo; 587 588 DFS_GET_NOL_LOCKED(dfs, nolinfo->dfs_nol, &(nolinfo->dfs_ch_nchans)); 589 } 590 591 void dfs_clear_nolhistory(struct wlan_dfs *dfs) 592 { 593 /* We should have a dfs_clear_nolhistory API from Regdomain. */ 594 struct dfs_channel *c, lc; 595 int i; 596 int nchans = 0; 597 598 c = &lc; 599 dfs_mlme_get_dfs_ch_nchans(dfs->dfs_pdev_obj, &nchans); 600 for (i = 0; i < nchans; i++) { 601 dfs_mlme_get_dfs_ch_channels(dfs->dfs_pdev_obj, 602 &(c->dfs_ch_freq), 603 &(c->dfs_ch_flags), 604 &(c->dfs_ch_flagext), 605 &(c->dfs_ch_ieee), 606 &(c->dfs_ch_vhtop_ch_freq_seg1), 607 &(c->dfs_ch_vhtop_ch_freq_seg2), 608 i); 609 WLAN_CHAN_CLR_HISTORY_RADAR(c); 610 } 611 } 612 613 #if defined(WLAN_DFS_PARTIAL_OFFLOAD) && defined(HOST_DFS_SPOOF_TEST) 614 void dfs_remove_spoof_channel_from_nol(struct wlan_dfs *dfs) 615 { 616 struct dfs_nolelem *nol; 617 uint8_t channels[NUM_CHANNELS_160MHZ]; 618 int i, nchans = 0; 619 620 nchans = dfs_get_bonding_channels(&dfs->dfs_radar_found_chan, 0, 621 channels); 622 623 WLAN_DFSNOL_LOCK(dfs); 624 for (i = 0; i < nchans && i < NUM_CHANNELS_160MHZ; i++) { 625 nol = dfs->dfs_nol; 626 while (nol) { 627 if (nol->nol_freq == (uint16_t)utils_dfs_chan_to_freq( 628 channels[i])) { 629 OS_SET_TIMER(&nol->nol_timer, 0); 630 break; 631 } 632 nol = nol->nol_next; 633 } 634 } 635 WLAN_DFSNOL_UNLOCK(dfs); 636 637 utils_dfs_reg_update_nol_ch(dfs->dfs_pdev_obj, 638 channels, nchans, DFS_NOL_RESET); 639 } 640 #endif 641