1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause 2 /* 3 * Copyright (C) 2012-2014, 2018-2023 Intel Corporation 4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH 5 * Copyright (C) 2016-2017 Intel Deutschland GmbH 6 */ 7 #include <linux/vmalloc.h> 8 #include <linux/err.h> 9 #include <linux/ieee80211.h> 10 #include <linux/netdevice.h> 11 #include <linux/dmi.h> 12 13 #include "mvm.h" 14 #include "sta.h" 15 #include "iwl-io.h" 16 #include "debugfs.h" 17 #include "iwl-modparams.h" 18 #include "iwl-drv.h" 19 #include "fw/error-dump.h" 20 #include "fw/api/phy-ctxt.h" 21 22 static ssize_t iwl_dbgfs_ctdp_budget_read(struct file *file, 23 char __user *user_buf, 24 size_t count, loff_t *ppos) 25 { 26 struct iwl_mvm *mvm = file->private_data; 27 char buf[16]; 28 int pos, budget; 29 30 if (!iwl_mvm_is_ctdp_supported(mvm)) 31 return -EOPNOTSUPP; 32 33 if (!iwl_mvm_firmware_running(mvm) || 34 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR) 35 return -EIO; 36 37 mutex_lock(&mvm->mutex); 38 budget = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_REPORT, 0); 39 mutex_unlock(&mvm->mutex); 40 41 if (budget < 0) 42 return budget; 43 44 pos = scnprintf(buf, sizeof(buf), "%d\n", budget); 45 46 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 47 } 48 49 static ssize_t iwl_dbgfs_stop_ctdp_write(struct iwl_mvm *mvm, char *buf, 50 size_t count, loff_t *ppos) 51 { 52 int ret; 53 54 if (!iwl_mvm_is_ctdp_supported(mvm)) 55 return -EOPNOTSUPP; 56 57 if (!iwl_mvm_firmware_running(mvm) || 58 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR) 59 return -EIO; 60 61 mutex_lock(&mvm->mutex); 62 ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_STOP, 0); 63 mutex_unlock(&mvm->mutex); 64 65 return ret ?: count; 66 } 67 68 static ssize_t iwl_dbgfs_force_ctkill_write(struct iwl_mvm *mvm, char *buf, 69 size_t count, loff_t *ppos) 70 { 71 if (!iwl_mvm_firmware_running(mvm) || 72 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR) 73 return -EIO; 74 75 iwl_mvm_enter_ctkill(mvm); 76 77 return count; 78 } 79 80 static ssize_t iwl_dbgfs_tx_flush_write(struct iwl_mvm *mvm, char *buf, 81 size_t count, loff_t *ppos) 82 { 83 int ret; 84 u32 flush_arg; 85 86 if (!iwl_mvm_firmware_running(mvm) || 87 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR) 88 return -EIO; 89 90 if (kstrtou32(buf, 0, &flush_arg)) 91 return -EINVAL; 92 93 if (iwl_mvm_has_new_tx_api(mvm)) { 94 IWL_DEBUG_TX_QUEUES(mvm, 95 "FLUSHING all tids queues on sta_id = %d\n", 96 flush_arg); 97 mutex_lock(&mvm->mutex); 98 ret = iwl_mvm_flush_sta_tids(mvm, flush_arg, 0xFFFF) 99 ? : count; 100 mutex_unlock(&mvm->mutex); 101 return ret; 102 } 103 104 IWL_DEBUG_TX_QUEUES(mvm, "FLUSHING queues mask to flush = 0x%x\n", 105 flush_arg); 106 107 mutex_lock(&mvm->mutex); 108 ret = iwl_mvm_flush_tx_path(mvm, flush_arg) ? : count; 109 mutex_unlock(&mvm->mutex); 110 111 return ret; 112 } 113 114 static ssize_t iwl_dbgfs_sta_drain_write(struct iwl_mvm *mvm, char *buf, 115 size_t count, loff_t *ppos) 116 { 117 struct iwl_mvm_sta *mvmsta; 118 int sta_id, drain, ret; 119 120 if (!iwl_mvm_firmware_running(mvm) || 121 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR) 122 return -EIO; 123 124 if (sscanf(buf, "%d %d", &sta_id, &drain) != 2) 125 return -EINVAL; 126 if (sta_id < 0 || sta_id >= mvm->fw->ucode_capa.num_stations) 127 return -EINVAL; 128 if (drain < 0 || drain > 1) 129 return -EINVAL; 130 131 mutex_lock(&mvm->mutex); 132 133 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id); 134 135 if (!mvmsta) 136 ret = -ENOENT; 137 else 138 ret = iwl_mvm_drain_sta(mvm, mvmsta, drain) ? : count; 139 140 mutex_unlock(&mvm->mutex); 141 142 return ret; 143 } 144 145 static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf, 146 size_t count, loff_t *ppos) 147 { 148 struct iwl_mvm *mvm = file->private_data; 149 const struct fw_img *img; 150 unsigned int ofs, len; 151 size_t ret; 152 u8 *ptr; 153 154 if (!iwl_mvm_firmware_running(mvm)) 155 return -EINVAL; 156 157 /* default is to dump the entire data segment */ 158 img = &mvm->fw->img[mvm->fwrt.cur_fw_img]; 159 ofs = img->sec[IWL_UCODE_SECTION_DATA].offset; 160 len = img->sec[IWL_UCODE_SECTION_DATA].len; 161 162 if (mvm->dbgfs_sram_len) { 163 ofs = mvm->dbgfs_sram_offset; 164 len = mvm->dbgfs_sram_len; 165 } 166 167 ptr = kzalloc(len, GFP_KERNEL); 168 if (!ptr) 169 return -ENOMEM; 170 171 iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len); 172 173 ret = simple_read_from_buffer(user_buf, count, ppos, ptr, len); 174 175 kfree(ptr); 176 177 return ret; 178 } 179 180 static ssize_t iwl_dbgfs_sram_write(struct iwl_mvm *mvm, char *buf, 181 size_t count, loff_t *ppos) 182 { 183 const struct fw_img *img; 184 u32 offset, len; 185 u32 img_offset, img_len; 186 187 if (!iwl_mvm_firmware_running(mvm)) 188 return -EINVAL; 189 190 img = &mvm->fw->img[mvm->fwrt.cur_fw_img]; 191 img_offset = img->sec[IWL_UCODE_SECTION_DATA].offset; 192 img_len = img->sec[IWL_UCODE_SECTION_DATA].len; 193 194 if (sscanf(buf, "%x,%x", &offset, &len) == 2) { 195 if ((offset & 0x3) || (len & 0x3)) 196 return -EINVAL; 197 198 if (offset + len > img_offset + img_len) 199 return -EINVAL; 200 201 mvm->dbgfs_sram_offset = offset; 202 mvm->dbgfs_sram_len = len; 203 } else { 204 mvm->dbgfs_sram_offset = 0; 205 mvm->dbgfs_sram_len = 0; 206 } 207 208 return count; 209 } 210 211 static ssize_t iwl_dbgfs_set_nic_temperature_read(struct file *file, 212 char __user *user_buf, 213 size_t count, loff_t *ppos) 214 { 215 struct iwl_mvm *mvm = file->private_data; 216 char buf[16]; 217 int pos; 218 219 if (!mvm->temperature_test) 220 pos = scnprintf(buf, sizeof(buf), "disabled\n"); 221 else 222 pos = scnprintf(buf, sizeof(buf), "%d\n", mvm->temperature); 223 224 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 225 } 226 227 /* 228 * Set NIC Temperature 229 * Cause the driver to ignore the actual NIC temperature reported by the FW 230 * Enable: any value between IWL_MVM_DEBUG_SET_TEMPERATURE_MIN - 231 * IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 232 * Disable: IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 233 */ 234 static ssize_t iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm *mvm, 235 char *buf, size_t count, 236 loff_t *ppos) 237 { 238 int temperature; 239 240 if (!iwl_mvm_firmware_running(mvm) && !mvm->temperature_test) 241 return -EIO; 242 243 if (kstrtoint(buf, 10, &temperature)) 244 return -EINVAL; 245 /* not a legal temperature */ 246 if ((temperature > IWL_MVM_DEBUG_SET_TEMPERATURE_MAX && 247 temperature != IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) || 248 temperature < IWL_MVM_DEBUG_SET_TEMPERATURE_MIN) 249 return -EINVAL; 250 251 mutex_lock(&mvm->mutex); 252 if (temperature == IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) { 253 if (!mvm->temperature_test) 254 goto out; 255 256 mvm->temperature_test = false; 257 /* Since we can't read the temp while awake, just set 258 * it to zero until we get the next RX stats from the 259 * firmware. 260 */ 261 mvm->temperature = 0; 262 } else { 263 mvm->temperature_test = true; 264 mvm->temperature = temperature; 265 } 266 IWL_DEBUG_TEMP(mvm, "%sabling debug set temperature (temp = %d)\n", 267 mvm->temperature_test ? "En" : "Dis", 268 mvm->temperature); 269 /* handle the temperature change */ 270 iwl_mvm_tt_handler(mvm); 271 272 out: 273 mutex_unlock(&mvm->mutex); 274 275 return count; 276 } 277 278 static ssize_t iwl_dbgfs_nic_temp_read(struct file *file, 279 char __user *user_buf, 280 size_t count, loff_t *ppos) 281 { 282 struct iwl_mvm *mvm = file->private_data; 283 char buf[16]; 284 int pos, ret; 285 s32 temp; 286 287 if (!iwl_mvm_firmware_running(mvm)) 288 return -EIO; 289 290 mutex_lock(&mvm->mutex); 291 ret = iwl_mvm_get_temp(mvm, &temp); 292 mutex_unlock(&mvm->mutex); 293 294 if (ret) 295 return -EIO; 296 297 pos = scnprintf(buf, sizeof(buf), "%d\n", temp); 298 299 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 300 } 301 302 #ifdef CONFIG_ACPI 303 static ssize_t iwl_dbgfs_sar_geo_profile_read(struct file *file, 304 char __user *user_buf, 305 size_t count, loff_t *ppos) 306 { 307 struct iwl_mvm *mvm = file->private_data; 308 char buf[256]; 309 int pos = 0; 310 int bufsz = sizeof(buf); 311 int tbl_idx; 312 313 if (!iwl_mvm_firmware_running(mvm)) 314 return -EIO; 315 316 mutex_lock(&mvm->mutex); 317 tbl_idx = iwl_mvm_get_sar_geo_profile(mvm); 318 if (tbl_idx < 0) { 319 mutex_unlock(&mvm->mutex); 320 return tbl_idx; 321 } 322 323 if (!tbl_idx) { 324 pos = scnprintf(buf, bufsz, 325 "SAR geographic profile disabled\n"); 326 } else { 327 pos += scnprintf(buf + pos, bufsz - pos, 328 "Use geographic profile %d\n", tbl_idx); 329 pos += scnprintf(buf + pos, bufsz - pos, 330 "2.4GHz:\n\tChain A offset: %u dBm\n\tChain B offset: %u dBm\n\tmax tx power: %u dBm\n", 331 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].chains[0], 332 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].chains[1], 333 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].max); 334 pos += scnprintf(buf + pos, bufsz - pos, 335 "5.2GHz:\n\tChain A offset: %u dBm\n\tChain B offset: %u dBm\n\tmax tx power: %u dBm\n", 336 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].chains[0], 337 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].chains[1], 338 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].max); 339 } 340 mutex_unlock(&mvm->mutex); 341 342 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 343 } 344 345 static ssize_t iwl_dbgfs_wifi_6e_enable_read(struct file *file, 346 char __user *user_buf, 347 size_t count, loff_t *ppos) 348 { 349 struct iwl_mvm *mvm = file->private_data; 350 int err, pos; 351 char buf[12]; 352 u32 value; 353 354 err = iwl_acpi_get_dsm_u32(mvm->fwrt.dev, 0, 355 DSM_FUNC_ENABLE_6E, 356 &iwl_guid, &value); 357 if (err) 358 return err; 359 360 pos = sprintf(buf, "0x%08x\n", value); 361 362 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 363 } 364 #endif 365 366 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, 367 size_t count, loff_t *ppos) 368 { 369 struct iwl_mvm *mvm = file->private_data; 370 struct ieee80211_sta *sta; 371 char buf[400]; 372 int i, pos = 0, bufsz = sizeof(buf); 373 374 mutex_lock(&mvm->mutex); 375 376 for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) { 377 pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i); 378 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 379 lockdep_is_held(&mvm->mutex)); 380 if (!sta) 381 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n"); 382 else if (IS_ERR(sta)) 383 pos += scnprintf(buf + pos, bufsz - pos, "%ld\n", 384 PTR_ERR(sta)); 385 else 386 pos += scnprintf(buf + pos, bufsz - pos, "%pM\n", 387 sta->addr); 388 } 389 390 mutex_unlock(&mvm->mutex); 391 392 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 393 } 394 395 static ssize_t iwl_dbgfs_rs_data_read(struct ieee80211_link_sta *link_sta, 396 struct iwl_mvm_sta *mvmsta, 397 struct iwl_mvm *mvm, 398 struct iwl_mvm_link_sta *mvm_link_sta, 399 char __user *user_buf, 400 size_t count, loff_t *ppos) 401 { 402 struct iwl_lq_sta_rs_fw *lq_sta = &mvm_link_sta->lq_sta.rs_fw; 403 static const size_t bufsz = 2048; 404 char *buff; 405 int desc = 0; 406 ssize_t ret; 407 408 buff = kmalloc(bufsz, GFP_KERNEL); 409 if (!buff) 410 return -ENOMEM; 411 412 desc += scnprintf(buff + desc, bufsz - desc, "sta_id %d\n", 413 lq_sta->pers.sta_id); 414 desc += scnprintf(buff + desc, bufsz - desc, 415 "fixed rate 0x%X\n", 416 lq_sta->pers.dbg_fixed_rate); 417 desc += scnprintf(buff + desc, bufsz - desc, 418 "A-MPDU size limit %d\n", 419 lq_sta->pers.dbg_agg_frame_count_lim); 420 desc += scnprintf(buff + desc, bufsz - desc, 421 "valid_tx_ant %s%s\n", 422 (iwl_mvm_get_valid_tx_ant(mvm) & ANT_A) ? "ANT_A," : "", 423 (iwl_mvm_get_valid_tx_ant(mvm) & ANT_B) ? "ANT_B," : ""); 424 desc += scnprintf(buff + desc, bufsz - desc, 425 "last tx rate=0x%X ", 426 lq_sta->last_rate_n_flags); 427 428 desc += rs_pretty_print_rate(buff + desc, bufsz - desc, 429 lq_sta->last_rate_n_flags); 430 if (desc < bufsz - 1) 431 buff[desc++] = '\n'; 432 433 ret = simple_read_from_buffer(user_buf, count, ppos, buff, desc); 434 kfree(buff); 435 return ret; 436 } 437 438 static ssize_t iwl_dbgfs_amsdu_len_write(struct ieee80211_link_sta *link_sta, 439 struct iwl_mvm_sta *mvmsta, 440 struct iwl_mvm *mvm, 441 struct iwl_mvm_link_sta *mvm_link_sta, 442 char *buf, size_t count, 443 loff_t *ppos) 444 { 445 int i; 446 u16 amsdu_len; 447 448 if (kstrtou16(buf, 0, &amsdu_len)) 449 return -EINVAL; 450 451 /* only change from debug set <-> debug unset */ 452 if (amsdu_len && mvm_link_sta->orig_amsdu_len) 453 return -EBUSY; 454 455 if (amsdu_len) { 456 mvm_link_sta->orig_amsdu_len = link_sta->agg.max_amsdu_len; 457 link_sta->agg.max_amsdu_len = amsdu_len; 458 link_sta->agg.max_amsdu_len = amsdu_len; 459 for (i = 0; i < ARRAY_SIZE(link_sta->agg.max_tid_amsdu_len); i++) 460 link_sta->agg.max_tid_amsdu_len[i] = amsdu_len; 461 } else { 462 link_sta->agg.max_amsdu_len = mvm_link_sta->orig_amsdu_len; 463 mvm_link_sta->orig_amsdu_len = 0; 464 } 465 466 ieee80211_sta_recalc_aggregates(link_sta->sta); 467 468 return count; 469 } 470 471 static ssize_t iwl_dbgfs_amsdu_len_read(struct ieee80211_link_sta *link_sta, 472 struct iwl_mvm_sta *mvmsta, 473 struct iwl_mvm *mvm, 474 struct iwl_mvm_link_sta *mvm_link_sta, 475 char __user *user_buf, 476 size_t count, loff_t *ppos) 477 { 478 char buf[32]; 479 int pos; 480 481 pos = scnprintf(buf, sizeof(buf), "current %d ", 482 link_sta->agg.max_amsdu_len); 483 pos += scnprintf(buf + pos, sizeof(buf) - pos, "stored %d\n", 484 mvm_link_sta->orig_amsdu_len); 485 486 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 487 } 488 489 static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file, 490 char __user *user_buf, 491 size_t count, loff_t *ppos) 492 { 493 struct iwl_mvm *mvm = file->private_data; 494 char buf[64]; 495 int bufsz = sizeof(buf); 496 int pos = 0; 497 498 pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d0=%d\n", 499 mvm->disable_power_off); 500 pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d3=%d\n", 501 mvm->disable_power_off_d3); 502 503 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 504 } 505 506 static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf, 507 size_t count, loff_t *ppos) 508 { 509 int ret, val; 510 511 if (!iwl_mvm_firmware_running(mvm)) 512 return -EIO; 513 514 if (!strncmp("disable_power_off_d0=", buf, 21)) { 515 if (sscanf(buf + 21, "%d", &val) != 1) 516 return -EINVAL; 517 mvm->disable_power_off = val; 518 } else if (!strncmp("disable_power_off_d3=", buf, 21)) { 519 if (sscanf(buf + 21, "%d", &val) != 1) 520 return -EINVAL; 521 mvm->disable_power_off_d3 = val; 522 } else { 523 return -EINVAL; 524 } 525 526 mutex_lock(&mvm->mutex); 527 ret = iwl_mvm_power_update_device(mvm); 528 mutex_unlock(&mvm->mutex); 529 530 return ret ?: count; 531 } 532 533 static 534 int iwl_mvm_coex_dump_mbox(struct iwl_bt_coex_profile_notif *notif, char *buf, 535 int pos, int bufsz) 536 { 537 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n"); 538 539 BT_MBOX_PRINT(0, LE_SLAVE_LAT, false); 540 BT_MBOX_PRINT(0, LE_PROF1, false); 541 BT_MBOX_PRINT(0, LE_PROF2, false); 542 BT_MBOX_PRINT(0, LE_PROF_OTHER, false); 543 BT_MBOX_PRINT(0, CHL_SEQ_N, false); 544 BT_MBOX_PRINT(0, INBAND_S, false); 545 BT_MBOX_PRINT(0, LE_MIN_RSSI, false); 546 BT_MBOX_PRINT(0, LE_SCAN, false); 547 BT_MBOX_PRINT(0, LE_ADV, false); 548 BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false); 549 BT_MBOX_PRINT(0, OPEN_CON_1, true); 550 551 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n"); 552 553 BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false); 554 BT_MBOX_PRINT(1, IP_SR, false); 555 BT_MBOX_PRINT(1, LE_MSTR, false); 556 BT_MBOX_PRINT(1, AGGR_TRFC_LD, false); 557 BT_MBOX_PRINT(1, MSG_TYPE, false); 558 BT_MBOX_PRINT(1, SSN, true); 559 560 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n"); 561 562 BT_MBOX_PRINT(2, SNIFF_ACT, false); 563 BT_MBOX_PRINT(2, PAG, false); 564 BT_MBOX_PRINT(2, INQUIRY, false); 565 BT_MBOX_PRINT(2, CONN, false); 566 BT_MBOX_PRINT(2, SNIFF_INTERVAL, false); 567 BT_MBOX_PRINT(2, DISC, false); 568 BT_MBOX_PRINT(2, SCO_TX_ACT, false); 569 BT_MBOX_PRINT(2, SCO_RX_ACT, false); 570 BT_MBOX_PRINT(2, ESCO_RE_TX, false); 571 BT_MBOX_PRINT(2, SCO_DURATION, true); 572 573 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n"); 574 575 BT_MBOX_PRINT(3, SCO_STATE, false); 576 BT_MBOX_PRINT(3, SNIFF_STATE, false); 577 BT_MBOX_PRINT(3, A2DP_STATE, false); 578 BT_MBOX_PRINT(3, A2DP_SRC, false); 579 BT_MBOX_PRINT(3, ACL_STATE, false); 580 BT_MBOX_PRINT(3, MSTR_STATE, false); 581 BT_MBOX_PRINT(3, OBX_STATE, false); 582 BT_MBOX_PRINT(3, OPEN_CON_2, false); 583 BT_MBOX_PRINT(3, TRAFFIC_LOAD, false); 584 BT_MBOX_PRINT(3, CHL_SEQN_LSB, false); 585 BT_MBOX_PRINT(3, INBAND_P, false); 586 BT_MBOX_PRINT(3, MSG_TYPE_2, false); 587 BT_MBOX_PRINT(3, SSN_2, false); 588 BT_MBOX_PRINT(3, UPDATE_REQUEST, true); 589 590 return pos; 591 } 592 593 static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf, 594 size_t count, loff_t *ppos) 595 { 596 struct iwl_mvm *mvm = file->private_data; 597 struct iwl_bt_coex_profile_notif *notif = &mvm->last_bt_notif; 598 char *buf; 599 int ret, pos = 0, bufsz = sizeof(char) * 1024; 600 601 buf = kmalloc(bufsz, GFP_KERNEL); 602 if (!buf) 603 return -ENOMEM; 604 605 mutex_lock(&mvm->mutex); 606 607 pos += iwl_mvm_coex_dump_mbox(notif, buf, pos, bufsz); 608 609 pos += scnprintf(buf + pos, bufsz - pos, "bt_ci_compliance = %d\n", 610 notif->bt_ci_compliance); 611 pos += scnprintf(buf + pos, bufsz - pos, "primary_ch_lut = %d\n", 612 le32_to_cpu(notif->primary_ch_lut)); 613 pos += scnprintf(buf + pos, bufsz - pos, "secondary_ch_lut = %d\n", 614 le32_to_cpu(notif->secondary_ch_lut)); 615 pos += scnprintf(buf + pos, 616 bufsz - pos, "bt_activity_grading = %d\n", 617 le32_to_cpu(notif->bt_activity_grading)); 618 pos += scnprintf(buf + pos, bufsz - pos, "bt_rrc = %d\n", 619 notif->rrc_status & 0xF); 620 pos += scnprintf(buf + pos, bufsz - pos, "bt_ttc = %d\n", 621 notif->ttc_status & 0xF); 622 623 pos += scnprintf(buf + pos, bufsz - pos, "sync_sco = %d\n", 624 IWL_MVM_BT_COEX_SYNC2SCO); 625 pos += scnprintf(buf + pos, bufsz - pos, "mplut = %d\n", 626 IWL_MVM_BT_COEX_MPLUT); 627 628 mutex_unlock(&mvm->mutex); 629 630 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 631 kfree(buf); 632 633 return ret; 634 } 635 #undef BT_MBOX_PRINT 636 637 static ssize_t iwl_dbgfs_bt_cmd_read(struct file *file, char __user *user_buf, 638 size_t count, loff_t *ppos) 639 { 640 struct iwl_mvm *mvm = file->private_data; 641 struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd; 642 char buf[256]; 643 int bufsz = sizeof(buf); 644 int pos = 0; 645 646 mutex_lock(&mvm->mutex); 647 648 pos += scnprintf(buf + pos, bufsz - pos, "Channel inhibition CMD\n"); 649 pos += scnprintf(buf + pos, bufsz - pos, 650 "\tPrimary Channel Bitmap 0x%016llx\n", 651 le64_to_cpu(cmd->bt_primary_ci)); 652 pos += scnprintf(buf + pos, bufsz - pos, 653 "\tSecondary Channel Bitmap 0x%016llx\n", 654 le64_to_cpu(cmd->bt_secondary_ci)); 655 656 mutex_unlock(&mvm->mutex); 657 658 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 659 } 660 661 static ssize_t 662 iwl_dbgfs_bt_tx_prio_write(struct iwl_mvm *mvm, char *buf, 663 size_t count, loff_t *ppos) 664 { 665 u32 bt_tx_prio; 666 667 if (sscanf(buf, "%u", &bt_tx_prio) != 1) 668 return -EINVAL; 669 if (bt_tx_prio > 4) 670 return -EINVAL; 671 672 mvm->bt_tx_prio = bt_tx_prio; 673 674 return count; 675 } 676 677 static ssize_t 678 iwl_dbgfs_bt_force_ant_write(struct iwl_mvm *mvm, char *buf, 679 size_t count, loff_t *ppos) 680 { 681 static const char * const modes_str[BT_FORCE_ANT_MAX] = { 682 [BT_FORCE_ANT_DIS] = "dis", 683 [BT_FORCE_ANT_AUTO] = "auto", 684 [BT_FORCE_ANT_BT] = "bt", 685 [BT_FORCE_ANT_WIFI] = "wifi", 686 }; 687 int ret, bt_force_ant_mode; 688 689 ret = match_string(modes_str, ARRAY_SIZE(modes_str), buf); 690 if (ret < 0) 691 return ret; 692 693 bt_force_ant_mode = ret; 694 ret = 0; 695 mutex_lock(&mvm->mutex); 696 if (mvm->bt_force_ant_mode == bt_force_ant_mode) 697 goto out; 698 699 mvm->bt_force_ant_mode = bt_force_ant_mode; 700 IWL_DEBUG_COEX(mvm, "Force mode: %s\n", 701 modes_str[mvm->bt_force_ant_mode]); 702 703 if (iwl_mvm_firmware_running(mvm)) 704 ret = iwl_mvm_send_bt_init_conf(mvm); 705 else 706 ret = 0; 707 708 out: 709 mutex_unlock(&mvm->mutex); 710 return ret ?: count; 711 } 712 713 static ssize_t iwl_dbgfs_fw_ver_read(struct file *file, char __user *user_buf, 714 size_t count, loff_t *ppos) 715 { 716 struct iwl_mvm *mvm = file->private_data; 717 char *buff, *pos, *endpos; 718 static const size_t bufsz = 1024; 719 char _fw_name_pre[FW_NAME_PRE_BUFSIZE]; 720 int ret; 721 722 buff = kmalloc(bufsz, GFP_KERNEL); 723 if (!buff) 724 return -ENOMEM; 725 726 pos = buff; 727 endpos = pos + bufsz; 728 729 pos += scnprintf(pos, endpos - pos, "FW prefix: %s\n", 730 iwl_drv_get_fwname_pre(mvm->trans, _fw_name_pre)); 731 pos += scnprintf(pos, endpos - pos, "FW: %s\n", 732 mvm->fwrt.fw->human_readable); 733 pos += scnprintf(pos, endpos - pos, "Device: %s\n", 734 mvm->fwrt.trans->name); 735 pos += scnprintf(pos, endpos - pos, "Bus: %s\n", 736 mvm->fwrt.dev->bus->name); 737 738 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff); 739 kfree(buff); 740 741 return ret; 742 } 743 744 static ssize_t iwl_dbgfs_tas_get_status_read(struct file *file, 745 char __user *user_buf, 746 size_t count, loff_t *ppos) 747 { 748 struct iwl_mvm *mvm = file->private_data; 749 struct iwl_mvm_tas_status_resp tas_rsp; 750 struct iwl_mvm_tas_status_resp *rsp = &tas_rsp; 751 static const size_t bufsz = 1024; 752 char *buff, *pos, *endpos; 753 const char * const tas_dis_reason[TAS_DISABLED_REASON_MAX] = { 754 [TAS_DISABLED_DUE_TO_BIOS] = 755 "Due To BIOS", 756 [TAS_DISABLED_DUE_TO_SAR_6DBM] = 757 "Due To SAR Limit Less Than 6 dBm", 758 [TAS_DISABLED_REASON_INVALID] = 759 "N/A", 760 }; 761 const char * const tas_current_status[TAS_DYNA_STATUS_MAX] = { 762 [TAS_DYNA_INACTIVE] = "INACTIVE", 763 [TAS_DYNA_INACTIVE_MVM_MODE] = 764 "inactive due to mvm mode", 765 [TAS_DYNA_INACTIVE_TRIGGER_MODE] = 766 "inactive due to trigger mode", 767 [TAS_DYNA_INACTIVE_BLOCK_LISTED] = 768 "inactive due to block listed", 769 [TAS_DYNA_INACTIVE_UHB_NON_US] = 770 "inactive due to uhb non US", 771 [TAS_DYNA_ACTIVE] = "ACTIVE", 772 }; 773 struct iwl_host_cmd hcmd = { 774 .id = WIDE_ID(DEBUG_GROUP, GET_TAS_STATUS), 775 .flags = CMD_WANT_SKB, 776 .len = { 0, }, 777 .data = { NULL, }, 778 }; 779 int ret, i, tmp; 780 bool tas_enabled = false; 781 unsigned long dyn_status; 782 783 if (!iwl_mvm_firmware_running(mvm)) 784 return -ENODEV; 785 786 mutex_lock(&mvm->mutex); 787 ret = iwl_mvm_send_cmd(mvm, &hcmd); 788 mutex_unlock(&mvm->mutex); 789 if (ret < 0) 790 return ret; 791 792 buff = kzalloc(bufsz, GFP_KERNEL); 793 if (!buff) 794 return -ENOMEM; 795 pos = buff; 796 endpos = pos + bufsz; 797 798 rsp = (void *)hcmd.resp_pkt->data; 799 800 pos += scnprintf(pos, endpos - pos, "TAS Conclusion:\n"); 801 for (i = 0; i < rsp->in_dual_radio + 1; i++) { 802 if (rsp->tas_status_mac[i].band != TAS_LMAC_BAND_INVALID && 803 rsp->tas_status_mac[i].dynamic_status & BIT(TAS_DYNA_ACTIVE)) { 804 pos += scnprintf(pos, endpos - pos, "\tON for "); 805 switch (rsp->tas_status_mac[i].band) { 806 case TAS_LMAC_BAND_HB: 807 pos += scnprintf(pos, endpos - pos, "HB\n"); 808 break; 809 case TAS_LMAC_BAND_LB: 810 pos += scnprintf(pos, endpos - pos, "LB\n"); 811 break; 812 case TAS_LMAC_BAND_UHB: 813 pos += scnprintf(pos, endpos - pos, "UHB\n"); 814 break; 815 case TAS_LMAC_BAND_INVALID: 816 pos += scnprintf(pos, endpos - pos, 817 "INVALID BAND\n"); 818 break; 819 default: 820 pos += scnprintf(pos, endpos - pos, 821 "Unsupported band (%d)\n", 822 rsp->tas_status_mac[i].band); 823 goto out; 824 } 825 tas_enabled = true; 826 } 827 } 828 if (!tas_enabled) 829 pos += scnprintf(pos, endpos - pos, "\tOFF\n"); 830 831 pos += scnprintf(pos, endpos - pos, "TAS Report\n"); 832 pos += scnprintf(pos, endpos - pos, "TAS FW version: %d\n", 833 rsp->tas_fw_version); 834 pos += scnprintf(pos, endpos - pos, "Is UHB enabled for USA?: %s\n", 835 rsp->is_uhb_for_usa_enable ? "True" : "False"); 836 pos += scnprintf(pos, endpos - pos, "Current MCC: 0x%x\n", 837 le16_to_cpu(rsp->curr_mcc)); 838 839 pos += scnprintf(pos, endpos - pos, "Block list entries:"); 840 for (i = 0; i < APCI_WTAS_BLACK_LIST_MAX; i++) 841 pos += scnprintf(pos, endpos - pos, " 0x%x", 842 le16_to_cpu(rsp->block_list[i])); 843 844 pos += scnprintf(pos, endpos - pos, "\nOEM name: %s\n", 845 dmi_get_system_info(DMI_SYS_VENDOR)); 846 pos += scnprintf(pos, endpos - pos, "\tVendor In Approved List: %s\n", 847 iwl_mvm_is_vendor_in_approved_list() ? "YES" : "NO"); 848 pos += scnprintf(pos, endpos - pos, 849 "\tDo TAS Support Dual Radio?: %s\n", 850 rsp->in_dual_radio ? "TRUE" : "FALSE"); 851 852 for (i = 0; i < rsp->in_dual_radio + 1; i++) { 853 if (rsp->tas_status_mac[i].static_status == 0) { 854 pos += scnprintf(pos, endpos - pos, 855 "Static status: disabled\n"); 856 pos += scnprintf(pos, endpos - pos, 857 "Static disabled reason: %s (0)\n", 858 tas_dis_reason[0]); 859 goto out; 860 } 861 862 pos += scnprintf(pos, endpos - pos, "TAS status for "); 863 switch (rsp->tas_status_mac[i].band) { 864 case TAS_LMAC_BAND_HB: 865 pos += scnprintf(pos, endpos - pos, "High band\n"); 866 break; 867 case TAS_LMAC_BAND_LB: 868 pos += scnprintf(pos, endpos - pos, "Low band\n"); 869 break; 870 case TAS_LMAC_BAND_UHB: 871 pos += scnprintf(pos, endpos - pos, 872 "Ultra high band\n"); 873 break; 874 case TAS_LMAC_BAND_INVALID: 875 pos += scnprintf(pos, endpos - pos, 876 "INVALID band\n"); 877 break; 878 default: 879 pos += scnprintf(pos, endpos - pos, 880 "Unsupported band (%d)\n", 881 rsp->tas_status_mac[i].band); 882 goto out; 883 } 884 pos += scnprintf(pos, endpos - pos, "Static status: %sabled\n", 885 rsp->tas_status_mac[i].static_status ? 886 "En" : "Dis"); 887 pos += scnprintf(pos, endpos - pos, 888 "\tStatic Disabled Reason: "); 889 if (rsp->tas_status_mac[i].static_dis_reason < TAS_DISABLED_REASON_MAX) 890 pos += scnprintf(pos, endpos - pos, "%s (%d)\n", 891 tas_dis_reason[rsp->tas_status_mac[i].static_dis_reason], 892 rsp->tas_status_mac[i].static_dis_reason); 893 else 894 pos += scnprintf(pos, endpos - pos, 895 "unsupported value (%d)\n", 896 rsp->tas_status_mac[i].static_dis_reason); 897 898 pos += scnprintf(pos, endpos - pos, "Dynamic status:\n"); 899 dyn_status = (rsp->tas_status_mac[i].dynamic_status); 900 for_each_set_bit(tmp, &dyn_status, sizeof(dyn_status)) { 901 if (tmp >= 0 && tmp < TAS_DYNA_STATUS_MAX) 902 pos += scnprintf(pos, endpos - pos, 903 "\t%s (%d)\n", 904 tas_current_status[tmp], tmp); 905 } 906 907 pos += scnprintf(pos, endpos - pos, 908 "Is near disconnection?: %s\n", 909 rsp->tas_status_mac[i].near_disconnection ? 910 "True" : "False"); 911 tmp = le16_to_cpu(rsp->tas_status_mac[i].max_reg_pwr_limit); 912 pos += scnprintf(pos, endpos - pos, 913 "Max. regulatory pwr limit (dBm): %d.%03d\n", 914 tmp / 8, 125 * (tmp % 8)); 915 tmp = le16_to_cpu(rsp->tas_status_mac[i].sar_limit); 916 pos += scnprintf(pos, endpos - pos, 917 "SAR limit (dBm): %d.%03d\n", 918 tmp / 8, 125 * (tmp % 8)); 919 } 920 921 out: 922 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff); 923 kfree(buff); 924 iwl_free_resp(&hcmd); 925 return ret; 926 } 927 928 static ssize_t iwl_dbgfs_phy_integration_ver_read(struct file *file, 929 char __user *user_buf, 930 size_t count, loff_t *ppos) 931 { 932 struct iwl_mvm *mvm = file->private_data; 933 char *buf; 934 size_t bufsz; 935 int pos; 936 ssize_t ret; 937 938 bufsz = mvm->fw->phy_integration_ver_len + 2; 939 buf = kmalloc(bufsz, GFP_KERNEL); 940 if (!buf) 941 return -ENOMEM; 942 943 pos = scnprintf(buf, bufsz, "%.*s\n", mvm->fw->phy_integration_ver_len, 944 mvm->fw->phy_integration_ver); 945 946 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 947 948 kfree(buf); 949 return ret; 950 } 951 952 #define PRINT_STATS_LE32(_struct, _memb) \ 953 pos += scnprintf(buf + pos, bufsz - pos, \ 954 fmt_table, #_memb, \ 955 le32_to_cpu(_struct->_memb)) 956 957 static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file, 958 char __user *user_buf, size_t count, 959 loff_t *ppos) 960 { 961 struct iwl_mvm *mvm = file->private_data; 962 static const char *fmt_table = "\t%-30s %10u\n"; 963 static const char *fmt_header = "%-32s\n"; 964 int pos = 0; 965 char *buf; 966 int ret; 967 size_t bufsz; 968 969 if (iwl_mvm_has_new_rx_stats_api(mvm)) 970 bufsz = ((sizeof(struct mvm_statistics_rx) / 971 sizeof(__le32)) * 43) + (4 * 33) + 1; 972 else 973 /* 43 = size of each data line; 33 = size of each header */ 974 bufsz = ((sizeof(struct mvm_statistics_rx_v3) / 975 sizeof(__le32)) * 43) + (4 * 33) + 1; 976 977 buf = kzalloc(bufsz, GFP_KERNEL); 978 if (!buf) 979 return -ENOMEM; 980 981 mutex_lock(&mvm->mutex); 982 983 if (iwl_mvm_firmware_running(mvm)) 984 iwl_mvm_request_statistics(mvm, false); 985 986 pos += scnprintf(buf + pos, bufsz - pos, fmt_header, 987 "Statistics_Rx - OFDM"); 988 if (!iwl_mvm_has_new_rx_stats_api(mvm)) { 989 struct mvm_statistics_rx_phy_v2 *ofdm = &mvm->rx_stats_v3.ofdm; 990 991 PRINT_STATS_LE32(ofdm, ina_cnt); 992 PRINT_STATS_LE32(ofdm, fina_cnt); 993 PRINT_STATS_LE32(ofdm, plcp_err); 994 PRINT_STATS_LE32(ofdm, crc32_err); 995 PRINT_STATS_LE32(ofdm, overrun_err); 996 PRINT_STATS_LE32(ofdm, early_overrun_err); 997 PRINT_STATS_LE32(ofdm, crc32_good); 998 PRINT_STATS_LE32(ofdm, false_alarm_cnt); 999 PRINT_STATS_LE32(ofdm, fina_sync_err_cnt); 1000 PRINT_STATS_LE32(ofdm, sfd_timeout); 1001 PRINT_STATS_LE32(ofdm, fina_timeout); 1002 PRINT_STATS_LE32(ofdm, unresponded_rts); 1003 PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun); 1004 PRINT_STATS_LE32(ofdm, sent_ack_cnt); 1005 PRINT_STATS_LE32(ofdm, sent_cts_cnt); 1006 PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt); 1007 PRINT_STATS_LE32(ofdm, dsp_self_kill); 1008 PRINT_STATS_LE32(ofdm, mh_format_err); 1009 PRINT_STATS_LE32(ofdm, re_acq_main_rssi_sum); 1010 PRINT_STATS_LE32(ofdm, reserved); 1011 } else { 1012 struct mvm_statistics_rx_phy *ofdm = &mvm->rx_stats.ofdm; 1013 1014 PRINT_STATS_LE32(ofdm, unresponded_rts); 1015 PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun); 1016 PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt); 1017 PRINT_STATS_LE32(ofdm, dsp_self_kill); 1018 PRINT_STATS_LE32(ofdm, reserved); 1019 } 1020 1021 pos += scnprintf(buf + pos, bufsz - pos, fmt_header, 1022 "Statistics_Rx - CCK"); 1023 if (!iwl_mvm_has_new_rx_stats_api(mvm)) { 1024 struct mvm_statistics_rx_phy_v2 *cck = &mvm->rx_stats_v3.cck; 1025 1026 PRINT_STATS_LE32(cck, ina_cnt); 1027 PRINT_STATS_LE32(cck, fina_cnt); 1028 PRINT_STATS_LE32(cck, plcp_err); 1029 PRINT_STATS_LE32(cck, crc32_err); 1030 PRINT_STATS_LE32(cck, overrun_err); 1031 PRINT_STATS_LE32(cck, early_overrun_err); 1032 PRINT_STATS_LE32(cck, crc32_good); 1033 PRINT_STATS_LE32(cck, false_alarm_cnt); 1034 PRINT_STATS_LE32(cck, fina_sync_err_cnt); 1035 PRINT_STATS_LE32(cck, sfd_timeout); 1036 PRINT_STATS_LE32(cck, fina_timeout); 1037 PRINT_STATS_LE32(cck, unresponded_rts); 1038 PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun); 1039 PRINT_STATS_LE32(cck, sent_ack_cnt); 1040 PRINT_STATS_LE32(cck, sent_cts_cnt); 1041 PRINT_STATS_LE32(cck, sent_ba_rsp_cnt); 1042 PRINT_STATS_LE32(cck, dsp_self_kill); 1043 PRINT_STATS_LE32(cck, mh_format_err); 1044 PRINT_STATS_LE32(cck, re_acq_main_rssi_sum); 1045 PRINT_STATS_LE32(cck, reserved); 1046 } else { 1047 struct mvm_statistics_rx_phy *cck = &mvm->rx_stats.cck; 1048 1049 PRINT_STATS_LE32(cck, unresponded_rts); 1050 PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun); 1051 PRINT_STATS_LE32(cck, sent_ba_rsp_cnt); 1052 PRINT_STATS_LE32(cck, dsp_self_kill); 1053 PRINT_STATS_LE32(cck, reserved); 1054 } 1055 1056 pos += scnprintf(buf + pos, bufsz - pos, fmt_header, 1057 "Statistics_Rx - GENERAL"); 1058 if (!iwl_mvm_has_new_rx_stats_api(mvm)) { 1059 struct mvm_statistics_rx_non_phy_v3 *general = 1060 &mvm->rx_stats_v3.general; 1061 1062 PRINT_STATS_LE32(general, bogus_cts); 1063 PRINT_STATS_LE32(general, bogus_ack); 1064 PRINT_STATS_LE32(general, non_bssid_frames); 1065 PRINT_STATS_LE32(general, filtered_frames); 1066 PRINT_STATS_LE32(general, non_channel_beacons); 1067 PRINT_STATS_LE32(general, channel_beacons); 1068 PRINT_STATS_LE32(general, num_missed_bcon); 1069 PRINT_STATS_LE32(general, adc_rx_saturation_time); 1070 PRINT_STATS_LE32(general, ina_detection_search_time); 1071 PRINT_STATS_LE32(general, beacon_silence_rssi_a); 1072 PRINT_STATS_LE32(general, beacon_silence_rssi_b); 1073 PRINT_STATS_LE32(general, beacon_silence_rssi_c); 1074 PRINT_STATS_LE32(general, interference_data_flag); 1075 PRINT_STATS_LE32(general, channel_load); 1076 PRINT_STATS_LE32(general, dsp_false_alarms); 1077 PRINT_STATS_LE32(general, beacon_rssi_a); 1078 PRINT_STATS_LE32(general, beacon_rssi_b); 1079 PRINT_STATS_LE32(general, beacon_rssi_c); 1080 PRINT_STATS_LE32(general, beacon_energy_a); 1081 PRINT_STATS_LE32(general, beacon_energy_b); 1082 PRINT_STATS_LE32(general, beacon_energy_c); 1083 PRINT_STATS_LE32(general, num_bt_kills); 1084 PRINT_STATS_LE32(general, mac_id); 1085 PRINT_STATS_LE32(general, directed_data_mpdu); 1086 } else { 1087 struct mvm_statistics_rx_non_phy *general = 1088 &mvm->rx_stats.general; 1089 1090 PRINT_STATS_LE32(general, bogus_cts); 1091 PRINT_STATS_LE32(general, bogus_ack); 1092 PRINT_STATS_LE32(general, non_channel_beacons); 1093 PRINT_STATS_LE32(general, channel_beacons); 1094 PRINT_STATS_LE32(general, num_missed_bcon); 1095 PRINT_STATS_LE32(general, adc_rx_saturation_time); 1096 PRINT_STATS_LE32(general, ina_detection_search_time); 1097 PRINT_STATS_LE32(general, beacon_silence_rssi_a); 1098 PRINT_STATS_LE32(general, beacon_silence_rssi_b); 1099 PRINT_STATS_LE32(general, beacon_silence_rssi_c); 1100 PRINT_STATS_LE32(general, interference_data_flag); 1101 PRINT_STATS_LE32(general, channel_load); 1102 PRINT_STATS_LE32(general, beacon_rssi_a); 1103 PRINT_STATS_LE32(general, beacon_rssi_b); 1104 PRINT_STATS_LE32(general, beacon_rssi_c); 1105 PRINT_STATS_LE32(general, beacon_energy_a); 1106 PRINT_STATS_LE32(general, beacon_energy_b); 1107 PRINT_STATS_LE32(general, beacon_energy_c); 1108 PRINT_STATS_LE32(general, num_bt_kills); 1109 PRINT_STATS_LE32(general, mac_id); 1110 } 1111 1112 pos += scnprintf(buf + pos, bufsz - pos, fmt_header, 1113 "Statistics_Rx - HT"); 1114 if (!iwl_mvm_has_new_rx_stats_api(mvm)) { 1115 struct mvm_statistics_rx_ht_phy_v1 *ht = 1116 &mvm->rx_stats_v3.ofdm_ht; 1117 1118 PRINT_STATS_LE32(ht, plcp_err); 1119 PRINT_STATS_LE32(ht, overrun_err); 1120 PRINT_STATS_LE32(ht, early_overrun_err); 1121 PRINT_STATS_LE32(ht, crc32_good); 1122 PRINT_STATS_LE32(ht, crc32_err); 1123 PRINT_STATS_LE32(ht, mh_format_err); 1124 PRINT_STATS_LE32(ht, agg_crc32_good); 1125 PRINT_STATS_LE32(ht, agg_mpdu_cnt); 1126 PRINT_STATS_LE32(ht, agg_cnt); 1127 PRINT_STATS_LE32(ht, unsupport_mcs); 1128 } else { 1129 struct mvm_statistics_rx_ht_phy *ht = 1130 &mvm->rx_stats.ofdm_ht; 1131 1132 PRINT_STATS_LE32(ht, mh_format_err); 1133 PRINT_STATS_LE32(ht, agg_mpdu_cnt); 1134 PRINT_STATS_LE32(ht, agg_cnt); 1135 PRINT_STATS_LE32(ht, unsupport_mcs); 1136 } 1137 1138 mutex_unlock(&mvm->mutex); 1139 1140 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1141 kfree(buf); 1142 1143 return ret; 1144 } 1145 #undef PRINT_STAT_LE32 1146 1147 static ssize_t iwl_dbgfs_frame_stats_read(struct iwl_mvm *mvm, 1148 char __user *user_buf, size_t count, 1149 loff_t *ppos, 1150 struct iwl_mvm_frame_stats *stats) 1151 { 1152 char *buff, *pos, *endpos; 1153 int idx, i; 1154 int ret; 1155 static const size_t bufsz = 1024; 1156 1157 buff = kmalloc(bufsz, GFP_KERNEL); 1158 if (!buff) 1159 return -ENOMEM; 1160 1161 spin_lock_bh(&mvm->drv_stats_lock); 1162 1163 pos = buff; 1164 endpos = pos + bufsz; 1165 1166 pos += scnprintf(pos, endpos - pos, 1167 "Legacy/HT/VHT\t:\t%d/%d/%d\n", 1168 stats->legacy_frames, 1169 stats->ht_frames, 1170 stats->vht_frames); 1171 pos += scnprintf(pos, endpos - pos, "20/40/80\t:\t%d/%d/%d\n", 1172 stats->bw_20_frames, 1173 stats->bw_40_frames, 1174 stats->bw_80_frames); 1175 pos += scnprintf(pos, endpos - pos, "NGI/SGI\t\t:\t%d/%d\n", 1176 stats->ngi_frames, 1177 stats->sgi_frames); 1178 pos += scnprintf(pos, endpos - pos, "SISO/MIMO2\t:\t%d/%d\n", 1179 stats->siso_frames, 1180 stats->mimo2_frames); 1181 pos += scnprintf(pos, endpos - pos, "FAIL/SCSS\t:\t%d/%d\n", 1182 stats->fail_frames, 1183 stats->success_frames); 1184 pos += scnprintf(pos, endpos - pos, "MPDUs agg\t:\t%d\n", 1185 stats->agg_frames); 1186 pos += scnprintf(pos, endpos - pos, "A-MPDUs\t\t:\t%d\n", 1187 stats->ampdu_count); 1188 pos += scnprintf(pos, endpos - pos, "Avg MPDUs/A-MPDU:\t%d\n", 1189 stats->ampdu_count > 0 ? 1190 (stats->agg_frames / stats->ampdu_count) : 0); 1191 1192 pos += scnprintf(pos, endpos - pos, "Last Rates\n"); 1193 1194 idx = stats->last_frame_idx - 1; 1195 for (i = 0; i < ARRAY_SIZE(stats->last_rates); i++) { 1196 idx = (idx + 1) % ARRAY_SIZE(stats->last_rates); 1197 if (stats->last_rates[idx] == 0) 1198 continue; 1199 pos += scnprintf(pos, endpos - pos, "Rate[%d]: ", 1200 (int)(ARRAY_SIZE(stats->last_rates) - i)); 1201 pos += rs_pretty_print_rate_v1(pos, endpos - pos, 1202 stats->last_rates[idx]); 1203 if (pos < endpos - 1) 1204 *pos++ = '\n'; 1205 } 1206 spin_unlock_bh(&mvm->drv_stats_lock); 1207 1208 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff); 1209 kfree(buff); 1210 1211 return ret; 1212 } 1213 1214 static ssize_t iwl_dbgfs_drv_rx_stats_read(struct file *file, 1215 char __user *user_buf, size_t count, 1216 loff_t *ppos) 1217 { 1218 struct iwl_mvm *mvm = file->private_data; 1219 1220 return iwl_dbgfs_frame_stats_read(mvm, user_buf, count, ppos, 1221 &mvm->drv_rx_stats); 1222 } 1223 1224 static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf, 1225 size_t count, loff_t *ppos) 1226 { 1227 int __maybe_unused ret; 1228 1229 if (!iwl_mvm_firmware_running(mvm)) 1230 return -EIO; 1231 1232 mutex_lock(&mvm->mutex); 1233 1234 /* allow one more restart that we're provoking here */ 1235 if (mvm->fw_restart >= 0) 1236 mvm->fw_restart++; 1237 1238 if (count == 6 && !strcmp(buf, "nolog\n")) { 1239 set_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE, &mvm->status); 1240 set_bit(STATUS_SUPPRESS_CMD_ERROR_ONCE, &mvm->trans->status); 1241 } 1242 1243 /* take the return value to make compiler happy - it will fail anyway */ 1244 ret = iwl_mvm_send_cmd_pdu(mvm, 1245 WIDE_ID(LONG_GROUP, REPLY_ERROR), 1246 0, 0, NULL); 1247 1248 mutex_unlock(&mvm->mutex); 1249 1250 return count; 1251 } 1252 1253 static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf, 1254 size_t count, loff_t *ppos) 1255 { 1256 if (!iwl_mvm_firmware_running(mvm)) 1257 return -EIO; 1258 1259 if (count == 6 && !strcmp(buf, "nolog\n")) 1260 set_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE, &mvm->status); 1261 1262 iwl_force_nmi(mvm->trans); 1263 1264 return count; 1265 } 1266 1267 static ssize_t 1268 iwl_dbgfs_scan_ant_rxchain_read(struct file *file, 1269 char __user *user_buf, 1270 size_t count, loff_t *ppos) 1271 { 1272 struct iwl_mvm *mvm = file->private_data; 1273 int pos = 0; 1274 char buf[32]; 1275 const size_t bufsz = sizeof(buf); 1276 1277 /* print which antennas were set for the scan command by the user */ 1278 pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: "); 1279 if (mvm->scan_rx_ant & ANT_A) 1280 pos += scnprintf(buf + pos, bufsz - pos, "A"); 1281 if (mvm->scan_rx_ant & ANT_B) 1282 pos += scnprintf(buf + pos, bufsz - pos, "B"); 1283 pos += scnprintf(buf + pos, bufsz - pos, " (%x)\n", mvm->scan_rx_ant); 1284 1285 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1286 } 1287 1288 static ssize_t 1289 iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf, 1290 size_t count, loff_t *ppos) 1291 { 1292 u8 scan_rx_ant; 1293 1294 if (!iwl_mvm_firmware_running(mvm)) 1295 return -EIO; 1296 1297 if (sscanf(buf, "%hhx", &scan_rx_ant) != 1) 1298 return -EINVAL; 1299 if (scan_rx_ant > ANT_ABC) 1300 return -EINVAL; 1301 if (scan_rx_ant & ~(iwl_mvm_get_valid_rx_ant(mvm))) 1302 return -EINVAL; 1303 1304 if (mvm->scan_rx_ant != scan_rx_ant) { 1305 mvm->scan_rx_ant = scan_rx_ant; 1306 if (fw_has_capa(&mvm->fw->ucode_capa, 1307 IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 1308 iwl_mvm_config_scan(mvm); 1309 } 1310 1311 return count; 1312 } 1313 1314 static ssize_t iwl_dbgfs_indirection_tbl_write(struct iwl_mvm *mvm, 1315 char *buf, size_t count, 1316 loff_t *ppos) 1317 { 1318 struct iwl_rss_config_cmd cmd = { 1319 .flags = cpu_to_le32(IWL_RSS_ENABLE), 1320 .hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP | 1321 IWL_RSS_HASH_TYPE_IPV4_UDP | 1322 IWL_RSS_HASH_TYPE_IPV4_PAYLOAD | 1323 IWL_RSS_HASH_TYPE_IPV6_TCP | 1324 IWL_RSS_HASH_TYPE_IPV6_UDP | 1325 IWL_RSS_HASH_TYPE_IPV6_PAYLOAD, 1326 }; 1327 int ret, i, num_repeats, nbytes = count / 2; 1328 1329 ret = hex2bin(cmd.indirection_table, buf, nbytes); 1330 if (ret) 1331 return ret; 1332 1333 /* 1334 * The input is the redirection table, partial or full. 1335 * Repeat the pattern if needed. 1336 * For example, input of 01020F will be repeated 42 times, 1337 * indirecting RSS hash results to queues 1, 2, 15 (skipping 1338 * queues 3 - 14). 1339 */ 1340 num_repeats = ARRAY_SIZE(cmd.indirection_table) / nbytes; 1341 for (i = 1; i < num_repeats; i++) 1342 memcpy(&cmd.indirection_table[i * nbytes], 1343 cmd.indirection_table, nbytes); 1344 /* handle cut in the middle pattern for the last places */ 1345 memcpy(&cmd.indirection_table[i * nbytes], cmd.indirection_table, 1346 ARRAY_SIZE(cmd.indirection_table) % nbytes); 1347 1348 netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key)); 1349 1350 mutex_lock(&mvm->mutex); 1351 if (iwl_mvm_firmware_running(mvm)) 1352 ret = iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, 1353 sizeof(cmd), &cmd); 1354 else 1355 ret = 0; 1356 mutex_unlock(&mvm->mutex); 1357 1358 return ret ?: count; 1359 } 1360 1361 static ssize_t iwl_dbgfs_inject_packet_write(struct iwl_mvm *mvm, 1362 char *buf, size_t count, 1363 loff_t *ppos) 1364 { 1365 struct iwl_op_mode *opmode = container_of((void *)mvm, 1366 struct iwl_op_mode, 1367 op_mode_specific); 1368 struct iwl_rx_cmd_buffer rxb = { 1369 ._rx_page_order = 0, 1370 .truesize = 0, /* not used */ 1371 ._offset = 0, 1372 }; 1373 struct iwl_rx_packet *pkt; 1374 int bin_len = count / 2; 1375 int ret = -EINVAL; 1376 1377 if (!iwl_mvm_firmware_running(mvm)) 1378 return -EIO; 1379 1380 /* supporting only MQ RX */ 1381 if (!mvm->trans->trans_cfg->mq_rx_supported) 1382 return -ENOTSUPP; 1383 1384 rxb._page = alloc_pages(GFP_ATOMIC, 0); 1385 if (!rxb._page) 1386 return -ENOMEM; 1387 pkt = rxb_addr(&rxb); 1388 1389 ret = hex2bin(page_address(rxb._page), buf, bin_len); 1390 if (ret) 1391 goto out; 1392 1393 /* avoid invalid memory access and malformed packet */ 1394 if (bin_len < sizeof(*pkt) || 1395 bin_len != sizeof(*pkt) + iwl_rx_packet_payload_len(pkt)) 1396 goto out; 1397 1398 local_bh_disable(); 1399 iwl_mvm_rx_mq(opmode, NULL, &rxb); 1400 local_bh_enable(); 1401 ret = 0; 1402 1403 out: 1404 iwl_free_rxb(&rxb); 1405 1406 return ret ?: count; 1407 } 1408 1409 static int _iwl_dbgfs_inject_beacon_ie(struct iwl_mvm *mvm, char *bin, int len) 1410 { 1411 struct ieee80211_vif *vif; 1412 struct iwl_mvm_vif *mvmvif; 1413 struct sk_buff *beacon; 1414 struct ieee80211_tx_info *info; 1415 struct iwl_mac_beacon_cmd beacon_cmd = {}; 1416 unsigned int link_id; 1417 u8 rate; 1418 int i; 1419 1420 len /= 2; 1421 1422 /* Element len should be represented by u8 */ 1423 if (len >= U8_MAX) 1424 return -EINVAL; 1425 1426 if (!iwl_mvm_firmware_running(mvm)) 1427 return -EIO; 1428 1429 if (!iwl_mvm_has_new_tx_api(mvm) && 1430 !fw_has_api(&mvm->fw->ucode_capa, 1431 IWL_UCODE_TLV_API_NEW_BEACON_TEMPLATE)) 1432 return -EINVAL; 1433 1434 mutex_lock(&mvm->mutex); 1435 1436 for (i = 0; i < NUM_MAC_INDEX_DRIVER; i++) { 1437 vif = iwl_mvm_rcu_dereference_vif_id(mvm, i, false); 1438 if (!vif) 1439 continue; 1440 1441 if (vif->type == NL80211_IFTYPE_AP) 1442 break; 1443 } 1444 1445 if (i == NUM_MAC_INDEX_DRIVER || !vif) 1446 goto out_err; 1447 1448 mvm->hw->extra_beacon_tailroom = len; 1449 1450 beacon = ieee80211_beacon_get_template(mvm->hw, vif, NULL, 0); 1451 if (!beacon) 1452 goto out_err; 1453 1454 if (len && hex2bin(skb_put_zero(beacon, len), bin, len)) { 1455 dev_kfree_skb(beacon); 1456 goto out_err; 1457 } 1458 1459 mvm->beacon_inject_active = true; 1460 1461 mvmvif = iwl_mvm_vif_from_mac80211(vif); 1462 info = IEEE80211_SKB_CB(beacon); 1463 rate = iwl_mvm_mac_ctxt_get_beacon_rate(mvm, info, vif); 1464 1465 for_each_mvm_vif_valid_link(mvmvif, link_id) { 1466 beacon_cmd.flags = 1467 cpu_to_le16(iwl_mvm_mac_ctxt_get_beacon_flags(mvm->fw, 1468 rate)); 1469 beacon_cmd.byte_cnt = cpu_to_le16((u16)beacon->len); 1470 if (iwl_fw_lookup_cmd_ver(mvm->fw, BEACON_TEMPLATE_CMD, 0) > 12) 1471 beacon_cmd.link_id = 1472 cpu_to_le32(mvmvif->link[link_id]->fw_link_id); 1473 else 1474 beacon_cmd.link_id = cpu_to_le32((u32)mvmvif->id); 1475 1476 iwl_mvm_mac_ctxt_set_tim(mvm, &beacon_cmd.tim_idx, 1477 &beacon_cmd.tim_size, 1478 beacon->data, beacon->len); 1479 1480 iwl_mvm_mac_ctxt_send_beacon_cmd(mvm, beacon, &beacon_cmd, 1481 sizeof(beacon_cmd)); 1482 } 1483 mutex_unlock(&mvm->mutex); 1484 1485 dev_kfree_skb(beacon); 1486 1487 return 0; 1488 1489 out_err: 1490 mutex_unlock(&mvm->mutex); 1491 return -EINVAL; 1492 } 1493 1494 static ssize_t iwl_dbgfs_inject_beacon_ie_write(struct iwl_mvm *mvm, 1495 char *buf, size_t count, 1496 loff_t *ppos) 1497 { 1498 int ret = _iwl_dbgfs_inject_beacon_ie(mvm, buf, count); 1499 1500 mvm->hw->extra_beacon_tailroom = 0; 1501 return ret ?: count; 1502 } 1503 1504 static ssize_t iwl_dbgfs_inject_beacon_ie_restore_write(struct iwl_mvm *mvm, 1505 char *buf, 1506 size_t count, 1507 loff_t *ppos) 1508 { 1509 int ret = _iwl_dbgfs_inject_beacon_ie(mvm, NULL, 0); 1510 1511 mvm->hw->extra_beacon_tailroom = 0; 1512 mvm->beacon_inject_active = false; 1513 return ret ?: count; 1514 } 1515 1516 static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file, 1517 char __user *user_buf, 1518 size_t count, loff_t *ppos) 1519 { 1520 struct iwl_mvm *mvm = file->private_data; 1521 int conf; 1522 char buf[8]; 1523 const size_t bufsz = sizeof(buf); 1524 int pos = 0; 1525 1526 mutex_lock(&mvm->mutex); 1527 conf = mvm->fwrt.dump.conf; 1528 mutex_unlock(&mvm->mutex); 1529 1530 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", conf); 1531 1532 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1533 } 1534 1535 static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm, 1536 char *buf, size_t count, 1537 loff_t *ppos) 1538 { 1539 unsigned int conf_id; 1540 int ret; 1541 1542 if (!iwl_mvm_firmware_running(mvm)) 1543 return -EIO; 1544 1545 ret = kstrtouint(buf, 0, &conf_id); 1546 if (ret) 1547 return ret; 1548 1549 if (WARN_ON(conf_id >= FW_DBG_CONF_MAX)) 1550 return -EINVAL; 1551 1552 mutex_lock(&mvm->mutex); 1553 ret = iwl_fw_start_dbg_conf(&mvm->fwrt, conf_id); 1554 mutex_unlock(&mvm->mutex); 1555 1556 return ret ?: count; 1557 } 1558 1559 static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm, 1560 char *buf, size_t count, 1561 loff_t *ppos) 1562 { 1563 if (count == 0) 1564 return 0; 1565 1566 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_USER_TRIGGER, 1567 NULL); 1568 1569 iwl_fw_dbg_collect(&mvm->fwrt, FW_DBG_TRIGGER_USER, buf, 1570 (count - 1), NULL); 1571 1572 return count; 1573 } 1574 1575 static ssize_t iwl_dbgfs_dbg_time_point_write(struct iwl_mvm *mvm, 1576 char *buf, size_t count, 1577 loff_t *ppos) 1578 { 1579 u32 timepoint; 1580 1581 if (kstrtou32(buf, 0, &timepoint)) 1582 return -EINVAL; 1583 1584 if (timepoint == IWL_FW_INI_TIME_POINT_INVALID || 1585 timepoint >= IWL_FW_INI_TIME_POINT_NUM) 1586 return -EINVAL; 1587 1588 iwl_dbg_tlv_time_point(&mvm->fwrt, timepoint, NULL); 1589 1590 return count; 1591 } 1592 1593 #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \ 1594 _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm) 1595 #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \ 1596 _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm) 1597 #define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do { \ 1598 debugfs_create_file(alias, mode, parent, mvm, \ 1599 &iwl_dbgfs_##name##_ops); \ 1600 } while (0) 1601 #define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \ 1602 MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode) 1603 1604 static ssize_t 1605 _iwl_dbgfs_link_sta_wrap_write(ssize_t (*real)(struct ieee80211_link_sta *, 1606 struct iwl_mvm_sta *, 1607 struct iwl_mvm *, 1608 struct iwl_mvm_link_sta *, 1609 char *, 1610 size_t, loff_t *), 1611 struct file *file, 1612 char *buf, size_t buf_size, loff_t *ppos) 1613 { 1614 struct ieee80211_link_sta *link_sta = file->private_data; 1615 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(link_sta->sta); 1616 struct iwl_mvm *mvm = iwl_mvm_vif_from_mac80211(mvmsta->vif)->mvm; 1617 struct iwl_mvm_link_sta *mvm_link_sta; 1618 ssize_t ret; 1619 1620 mutex_lock(&mvm->mutex); 1621 1622 mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_sta->link_id], 1623 lockdep_is_held(&mvm->mutex)); 1624 if (WARN_ON(!mvm_link_sta)) { 1625 mutex_unlock(&mvm->mutex); 1626 return -ENODEV; 1627 } 1628 1629 ret = real(link_sta, mvmsta, mvm, mvm_link_sta, buf, buf_size, ppos); 1630 1631 mutex_unlock(&mvm->mutex); 1632 1633 return ret; 1634 } 1635 1636 static ssize_t 1637 _iwl_dbgfs_link_sta_wrap_read(ssize_t (*real)(struct ieee80211_link_sta *, 1638 struct iwl_mvm_sta *, 1639 struct iwl_mvm *, 1640 struct iwl_mvm_link_sta *, 1641 char __user *, 1642 size_t, loff_t *), 1643 struct file *file, 1644 char __user *user_buf, size_t count, loff_t *ppos) 1645 { 1646 struct ieee80211_link_sta *link_sta = file->private_data; 1647 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(link_sta->sta); 1648 struct iwl_mvm *mvm = iwl_mvm_vif_from_mac80211(mvmsta->vif)->mvm; 1649 struct iwl_mvm_link_sta *mvm_link_sta; 1650 ssize_t ret; 1651 1652 mutex_lock(&mvm->mutex); 1653 1654 mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_sta->link_id], 1655 lockdep_is_held(&mvm->mutex)); 1656 if (WARN_ON(!mvm_link_sta)) { 1657 mutex_unlock(&mvm->mutex); 1658 return -ENODEV; 1659 } 1660 1661 ret = real(link_sta, mvmsta, mvm, mvm_link_sta, user_buf, count, ppos); 1662 1663 mutex_unlock(&mvm->mutex); 1664 1665 return ret; 1666 } 1667 1668 #define MVM_DEBUGFS_LINK_STA_WRITE_WRAPPER(name, buflen) \ 1669 static ssize_t _iwl_dbgfs_link_sta_##name##_write(struct file *file, \ 1670 const char __user *user_buf, \ 1671 size_t count, loff_t *ppos) \ 1672 { \ 1673 char buf[buflen] = {}; \ 1674 size_t buf_size = min(count, sizeof(buf) - 1); \ 1675 \ 1676 if (copy_from_user(buf, user_buf, sizeof(buf))) \ 1677 return -EFAULT; \ 1678 \ 1679 return _iwl_dbgfs_link_sta_wrap_write(iwl_dbgfs_##name##_write, \ 1680 file, \ 1681 buf, buf_size, ppos); \ 1682 } \ 1683 1684 #define MVM_DEBUGFS_LINK_STA_READ_WRAPPER(name) \ 1685 static ssize_t _iwl_dbgfs_link_sta_##name##_read(struct file *file, \ 1686 char __user *user_buf, \ 1687 size_t count, loff_t *ppos) \ 1688 { \ 1689 return _iwl_dbgfs_link_sta_wrap_read(iwl_dbgfs_##name##_read, \ 1690 file, \ 1691 user_buf, count, ppos); \ 1692 } \ 1693 1694 #define MVM_DEBUGFS_WRITE_LINK_STA_FILE_OPS(name, bufsz) \ 1695 MVM_DEBUGFS_LINK_STA_WRITE_WRAPPER(name, bufsz) \ 1696 static const struct file_operations iwl_dbgfs_link_sta_##name##_ops = { \ 1697 .write = _iwl_dbgfs_link_sta_##name##_write, \ 1698 .open = simple_open, \ 1699 .llseek = generic_file_llseek, \ 1700 } 1701 1702 #define MVM_DEBUGFS_READ_LINK_STA_FILE_OPS(name) \ 1703 MVM_DEBUGFS_LINK_STA_READ_WRAPPER(name) \ 1704 static const struct file_operations iwl_dbgfs_link_sta_##name##_ops = { \ 1705 .read = _iwl_dbgfs_link_sta_##name##_read, \ 1706 .open = simple_open, \ 1707 .llseek = generic_file_llseek, \ 1708 } 1709 1710 #define MVM_DEBUGFS_READ_WRITE_LINK_STA_FILE_OPS(name, bufsz) \ 1711 MVM_DEBUGFS_LINK_STA_READ_WRAPPER(name) \ 1712 MVM_DEBUGFS_LINK_STA_WRITE_WRAPPER(name, bufsz) \ 1713 static const struct file_operations iwl_dbgfs_link_sta_##name##_ops = { \ 1714 .read = _iwl_dbgfs_link_sta_##name##_read, \ 1715 .write = _iwl_dbgfs_link_sta_##name##_write, \ 1716 .open = simple_open, \ 1717 .llseek = generic_file_llseek, \ 1718 } 1719 1720 #define MVM_DEBUGFS_ADD_LINK_STA_FILE_ALIAS(alias, name, parent, mode) \ 1721 debugfs_create_file(alias, mode, parent, link_sta, \ 1722 &iwl_dbgfs_link_sta_##name##_ops) 1723 #define MVM_DEBUGFS_ADD_LINK_STA_FILE(name, parent, mode) \ 1724 MVM_DEBUGFS_ADD_LINK_STA_FILE_ALIAS(#name, name, parent, mode) 1725 1726 static ssize_t 1727 iwl_dbgfs_prph_reg_read(struct file *file, 1728 char __user *user_buf, 1729 size_t count, loff_t *ppos) 1730 { 1731 struct iwl_mvm *mvm = file->private_data; 1732 int pos = 0; 1733 char buf[32]; 1734 const size_t bufsz = sizeof(buf); 1735 1736 if (!mvm->dbgfs_prph_reg_addr) 1737 return -EINVAL; 1738 1739 pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n", 1740 mvm->dbgfs_prph_reg_addr, 1741 iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr)); 1742 1743 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1744 } 1745 1746 static ssize_t 1747 iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf, 1748 size_t count, loff_t *ppos) 1749 { 1750 u8 args; 1751 u32 value; 1752 1753 args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value); 1754 /* if we only want to set the reg address - nothing more to do */ 1755 if (args == 1) 1756 goto out; 1757 1758 /* otherwise, make sure we have both address and value */ 1759 if (args != 2) 1760 return -EINVAL; 1761 1762 iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value); 1763 1764 out: 1765 return count; 1766 } 1767 1768 static ssize_t 1769 iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm *mvm, char *buf, 1770 size_t count, loff_t *ppos) 1771 { 1772 int ret; 1773 1774 if (!iwl_mvm_firmware_running(mvm)) 1775 return -EIO; 1776 1777 mutex_lock(&mvm->mutex); 1778 ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL); 1779 mutex_unlock(&mvm->mutex); 1780 1781 return ret ?: count; 1782 } 1783 1784 struct iwl_mvm_sniffer_apply { 1785 struct iwl_mvm *mvm; 1786 u8 *bssid; 1787 u16 aid; 1788 }; 1789 1790 static bool iwl_mvm_sniffer_apply(struct iwl_notif_wait_data *notif_data, 1791 struct iwl_rx_packet *pkt, void *data) 1792 { 1793 struct iwl_mvm_sniffer_apply *apply = data; 1794 1795 apply->mvm->cur_aid = cpu_to_le16(apply->aid); 1796 memcpy(apply->mvm->cur_bssid, apply->bssid, 1797 sizeof(apply->mvm->cur_bssid)); 1798 1799 return true; 1800 } 1801 1802 static ssize_t 1803 iwl_dbgfs_he_sniffer_params_write(struct iwl_mvm *mvm, char *buf, 1804 size_t count, loff_t *ppos) 1805 { 1806 struct iwl_notification_wait wait; 1807 struct iwl_he_monitor_cmd he_mon_cmd = {}; 1808 struct iwl_mvm_sniffer_apply apply = { 1809 .mvm = mvm, 1810 }; 1811 u16 wait_cmds[] = { 1812 WIDE_ID(DATA_PATH_GROUP, HE_AIR_SNIFFER_CONFIG_CMD), 1813 }; 1814 u32 aid; 1815 int ret; 1816 1817 if (!iwl_mvm_firmware_running(mvm)) 1818 return -EIO; 1819 1820 ret = sscanf(buf, "%x %2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx", &aid, 1821 &he_mon_cmd.bssid[0], &he_mon_cmd.bssid[1], 1822 &he_mon_cmd.bssid[2], &he_mon_cmd.bssid[3], 1823 &he_mon_cmd.bssid[4], &he_mon_cmd.bssid[5]); 1824 if (ret != 7) 1825 return -EINVAL; 1826 1827 he_mon_cmd.aid = cpu_to_le16(aid); 1828 1829 apply.aid = aid; 1830 apply.bssid = (void *)he_mon_cmd.bssid; 1831 1832 mutex_lock(&mvm->mutex); 1833 1834 /* 1835 * Use the notification waiter to get our function triggered 1836 * in sequence with other RX. This ensures that frames we get 1837 * on the RX queue _before_ the new configuration is applied 1838 * still have mvm->cur_aid pointing to the old AID, and that 1839 * frames on the RX queue _after_ the firmware processed the 1840 * new configuration (and sent the response, synchronously) 1841 * get mvm->cur_aid correctly set to the new AID. 1842 */ 1843 iwl_init_notification_wait(&mvm->notif_wait, &wait, 1844 wait_cmds, ARRAY_SIZE(wait_cmds), 1845 iwl_mvm_sniffer_apply, &apply); 1846 1847 ret = iwl_mvm_send_cmd_pdu(mvm, 1848 WIDE_ID(DATA_PATH_GROUP, HE_AIR_SNIFFER_CONFIG_CMD), 1849 0, 1850 sizeof(he_mon_cmd), &he_mon_cmd); 1851 1852 /* no need to really wait, we already did anyway */ 1853 iwl_remove_notification(&mvm->notif_wait, &wait); 1854 1855 mutex_unlock(&mvm->mutex); 1856 1857 return ret ?: count; 1858 } 1859 1860 static ssize_t 1861 iwl_dbgfs_he_sniffer_params_read(struct file *file, char __user *user_buf, 1862 size_t count, loff_t *ppos) 1863 { 1864 struct iwl_mvm *mvm = file->private_data; 1865 u8 buf[32]; 1866 int len; 1867 1868 len = scnprintf(buf, sizeof(buf), 1869 "%d %02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx\n", 1870 le16_to_cpu(mvm->cur_aid), mvm->cur_bssid[0], 1871 mvm->cur_bssid[1], mvm->cur_bssid[2], mvm->cur_bssid[3], 1872 mvm->cur_bssid[4], mvm->cur_bssid[5]); 1873 1874 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1875 } 1876 1877 static ssize_t 1878 iwl_dbgfs_uapsd_noagg_bssids_read(struct file *file, char __user *user_buf, 1879 size_t count, loff_t *ppos) 1880 { 1881 struct iwl_mvm *mvm = file->private_data; 1882 u8 buf[IWL_MVM_UAPSD_NOAGG_BSSIDS_NUM * ETH_ALEN * 3 + 1]; 1883 unsigned int pos = 0; 1884 size_t bufsz = sizeof(buf); 1885 int i; 1886 1887 mutex_lock(&mvm->mutex); 1888 1889 for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) 1890 pos += scnprintf(buf + pos, bufsz - pos, "%pM\n", 1891 mvm->uapsd_noagg_bssids[i].addr); 1892 1893 mutex_unlock(&mvm->mutex); 1894 1895 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1896 } 1897 1898 static ssize_t 1899 iwl_dbgfs_ltr_config_write(struct iwl_mvm *mvm, 1900 char *buf, size_t count, loff_t *ppos) 1901 { 1902 int ret; 1903 struct iwl_ltr_config_cmd ltr_config = {0}; 1904 1905 if (!iwl_mvm_firmware_running(mvm)) 1906 return -EIO; 1907 1908 if (sscanf(buf, "%x,%x,%x,%x,%x,%x,%x", 1909 <r_config.flags, 1910 <r_config.static_long, 1911 <r_config.static_short, 1912 <r_config.ltr_cfg_values[0], 1913 <r_config.ltr_cfg_values[1], 1914 <r_config.ltr_cfg_values[2], 1915 <r_config.ltr_cfg_values[3]) != 7) { 1916 return -EINVAL; 1917 } 1918 1919 mutex_lock(&mvm->mutex); 1920 ret = iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, sizeof(ltr_config), 1921 <r_config); 1922 mutex_unlock(&mvm->mutex); 1923 1924 if (ret) 1925 IWL_ERR(mvm, "failed to send ltr configuration cmd\n"); 1926 1927 return ret ?: count; 1928 } 1929 1930 static ssize_t iwl_dbgfs_rfi_freq_table_write(struct iwl_mvm *mvm, char *buf, 1931 size_t count, loff_t *ppos) 1932 { 1933 int ret = 0; 1934 u16 op_id; 1935 1936 if (kstrtou16(buf, 10, &op_id)) 1937 return -EINVAL; 1938 1939 /* value zero triggers re-sending the default table to the device */ 1940 if (!op_id) { 1941 mutex_lock(&mvm->mutex); 1942 ret = iwl_rfi_send_config_cmd(mvm, NULL); 1943 mutex_unlock(&mvm->mutex); 1944 } else { 1945 ret = -EOPNOTSUPP; /* in the future a new table will be added */ 1946 } 1947 1948 return ret ?: count; 1949 } 1950 1951 /* The size computation is as follows: 1952 * each number needs at most 3 characters, number of rows is the size of 1953 * the table; So, need 5 chars for the "freq: " part and each tuple afterwards 1954 * needs 6 characters for numbers and 5 for the punctuation around. 1955 */ 1956 #define IWL_RFI_BUF_SIZE (IWL_RFI_LUT_INSTALLED_SIZE *\ 1957 (5 + IWL_RFI_LUT_ENTRY_CHANNELS_NUM * (6 + 5))) 1958 1959 static ssize_t iwl_dbgfs_rfi_freq_table_read(struct file *file, 1960 char __user *user_buf, 1961 size_t count, loff_t *ppos) 1962 { 1963 struct iwl_mvm *mvm = file->private_data; 1964 struct iwl_rfi_freq_table_resp_cmd *resp; 1965 u32 status; 1966 char buf[IWL_RFI_BUF_SIZE]; 1967 int i, j, pos = 0; 1968 1969 resp = iwl_rfi_get_freq_table(mvm); 1970 if (IS_ERR(resp)) 1971 return PTR_ERR(resp); 1972 1973 status = le32_to_cpu(resp->status); 1974 if (status != RFI_FREQ_TABLE_OK) { 1975 scnprintf(buf, IWL_RFI_BUF_SIZE, "status = %d\n", status); 1976 goto out; 1977 } 1978 1979 for (i = 0; i < ARRAY_SIZE(resp->table); i++) { 1980 pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos, "%d: ", 1981 resp->table[i].freq); 1982 1983 for (j = 0; j < ARRAY_SIZE(resp->table[i].channels); j++) 1984 pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos, 1985 "(%d, %d) ", 1986 resp->table[i].channels[j], 1987 resp->table[i].bands[j]); 1988 pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos, "\n"); 1989 } 1990 1991 out: 1992 kfree(resp); 1993 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1994 } 1995 1996 MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64); 1997 1998 /* Device wide debugfs entries */ 1999 MVM_DEBUGFS_READ_FILE_OPS(ctdp_budget); 2000 MVM_DEBUGFS_WRITE_FILE_OPS(stop_ctdp, 8); 2001 MVM_DEBUGFS_WRITE_FILE_OPS(force_ctkill, 8); 2002 MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16); 2003 MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8); 2004 MVM_DEBUGFS_WRITE_FILE_OPS(send_echo_cmd, 8); 2005 MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64); 2006 MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64); 2007 MVM_DEBUGFS_READ_FILE_OPS(nic_temp); 2008 MVM_DEBUGFS_READ_FILE_OPS(stations); 2009 MVM_DEBUGFS_READ_LINK_STA_FILE_OPS(rs_data); 2010 MVM_DEBUGFS_READ_FILE_OPS(bt_notif); 2011 MVM_DEBUGFS_READ_FILE_OPS(bt_cmd); 2012 MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64); 2013 MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats); 2014 MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats); 2015 MVM_DEBUGFS_READ_FILE_OPS(fw_ver); 2016 MVM_DEBUGFS_READ_FILE_OPS(phy_integration_ver); 2017 MVM_DEBUGFS_READ_FILE_OPS(tas_get_status); 2018 MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10); 2019 MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10); 2020 MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10); 2021 MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10); 2022 MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8); 2023 MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8); 2024 MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 64); 2025 MVM_DEBUGFS_WRITE_FILE_OPS(dbg_time_point, 64); 2026 MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl, 2027 (IWL_RSS_INDIRECTION_TABLE_SIZE * 2)); 2028 MVM_DEBUGFS_WRITE_FILE_OPS(inject_packet, 512); 2029 MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie, 512); 2030 MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie_restore, 512); 2031 2032 MVM_DEBUGFS_READ_FILE_OPS(uapsd_noagg_bssids); 2033 2034 #ifdef CONFIG_ACPI 2035 MVM_DEBUGFS_READ_FILE_OPS(sar_geo_profile); 2036 MVM_DEBUGFS_READ_FILE_OPS(wifi_6e_enable); 2037 #endif 2038 2039 MVM_DEBUGFS_READ_WRITE_LINK_STA_FILE_OPS(amsdu_len, 16); 2040 2041 MVM_DEBUGFS_READ_WRITE_FILE_OPS(he_sniffer_params, 32); 2042 2043 MVM_DEBUGFS_WRITE_FILE_OPS(ltr_config, 512); 2044 MVM_DEBUGFS_READ_WRITE_FILE_OPS(rfi_freq_table, 16); 2045 2046 static ssize_t iwl_dbgfs_mem_read(struct file *file, char __user *user_buf, 2047 size_t count, loff_t *ppos) 2048 { 2049 struct iwl_mvm *mvm = file->private_data; 2050 struct iwl_dbg_mem_access_cmd cmd = {}; 2051 struct iwl_dbg_mem_access_rsp *rsp; 2052 struct iwl_host_cmd hcmd = { 2053 .flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL, 2054 .data = { &cmd, }, 2055 .len = { sizeof(cmd) }, 2056 }; 2057 size_t delta; 2058 ssize_t ret, len; 2059 2060 if (!iwl_mvm_firmware_running(mvm)) 2061 return -EIO; 2062 2063 hcmd.id = WIDE_ID(DEBUG_GROUP, *ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR); 2064 cmd.op = cpu_to_le32(DEBUG_MEM_OP_READ); 2065 2066 /* Take care of alignment of both the position and the length */ 2067 delta = *ppos & 0x3; 2068 cmd.addr = cpu_to_le32(*ppos - delta); 2069 cmd.len = cpu_to_le32(min(ALIGN(count + delta, 4) / 4, 2070 (size_t)DEBUG_MEM_MAX_SIZE_DWORDS)); 2071 2072 mutex_lock(&mvm->mutex); 2073 ret = iwl_mvm_send_cmd(mvm, &hcmd); 2074 mutex_unlock(&mvm->mutex); 2075 2076 if (ret < 0) 2077 return ret; 2078 2079 if (iwl_rx_packet_payload_len(hcmd.resp_pkt) < sizeof(*rsp)) { 2080 ret = -EIO; 2081 goto out; 2082 } 2083 2084 rsp = (void *)hcmd.resp_pkt->data; 2085 if (le32_to_cpu(rsp->status) != DEBUG_MEM_STATUS_SUCCESS) { 2086 ret = -ENXIO; 2087 goto out; 2088 } 2089 2090 len = min((size_t)le32_to_cpu(rsp->len) << 2, 2091 iwl_rx_packet_payload_len(hcmd.resp_pkt) - sizeof(*rsp)); 2092 len = min(len - delta, count); 2093 if (len < 0) { 2094 ret = -EFAULT; 2095 goto out; 2096 } 2097 2098 ret = len - copy_to_user(user_buf, (u8 *)rsp->data + delta, len); 2099 *ppos += ret; 2100 2101 out: 2102 iwl_free_resp(&hcmd); 2103 return ret; 2104 } 2105 2106 static ssize_t iwl_dbgfs_mem_write(struct file *file, 2107 const char __user *user_buf, size_t count, 2108 loff_t *ppos) 2109 { 2110 struct iwl_mvm *mvm = file->private_data; 2111 struct iwl_dbg_mem_access_cmd *cmd; 2112 struct iwl_dbg_mem_access_rsp *rsp; 2113 struct iwl_host_cmd hcmd = {}; 2114 size_t cmd_size; 2115 size_t data_size; 2116 u32 op, len; 2117 ssize_t ret; 2118 2119 if (!iwl_mvm_firmware_running(mvm)) 2120 return -EIO; 2121 2122 hcmd.id = WIDE_ID(DEBUG_GROUP, *ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR); 2123 2124 if (*ppos & 0x3 || count < 4) { 2125 op = DEBUG_MEM_OP_WRITE_BYTES; 2126 len = min(count, (size_t)(4 - (*ppos & 0x3))); 2127 data_size = len; 2128 } else { 2129 op = DEBUG_MEM_OP_WRITE; 2130 len = min(count >> 2, (size_t)DEBUG_MEM_MAX_SIZE_DWORDS); 2131 data_size = len << 2; 2132 } 2133 2134 cmd_size = sizeof(*cmd) + ALIGN(data_size, 4); 2135 cmd = kzalloc(cmd_size, GFP_KERNEL); 2136 if (!cmd) 2137 return -ENOMEM; 2138 2139 cmd->op = cpu_to_le32(op); 2140 cmd->len = cpu_to_le32(len); 2141 cmd->addr = cpu_to_le32(*ppos); 2142 if (copy_from_user((void *)cmd->data, user_buf, data_size)) { 2143 kfree(cmd); 2144 return -EFAULT; 2145 } 2146 2147 hcmd.flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL, 2148 hcmd.data[0] = (void *)cmd; 2149 hcmd.len[0] = cmd_size; 2150 2151 mutex_lock(&mvm->mutex); 2152 ret = iwl_mvm_send_cmd(mvm, &hcmd); 2153 mutex_unlock(&mvm->mutex); 2154 2155 kfree(cmd); 2156 2157 if (ret < 0) 2158 return ret; 2159 2160 if (iwl_rx_packet_payload_len(hcmd.resp_pkt) < sizeof(*rsp)) { 2161 ret = -EIO; 2162 goto out; 2163 } 2164 2165 rsp = (void *)hcmd.resp_pkt->data; 2166 if (rsp->status != DEBUG_MEM_STATUS_SUCCESS) { 2167 ret = -ENXIO; 2168 goto out; 2169 } 2170 2171 ret = data_size; 2172 *ppos += ret; 2173 2174 out: 2175 iwl_free_resp(&hcmd); 2176 return ret; 2177 } 2178 2179 static const struct file_operations iwl_dbgfs_mem_ops = { 2180 .read = iwl_dbgfs_mem_read, 2181 .write = iwl_dbgfs_mem_write, 2182 .open = simple_open, 2183 .llseek = default_llseek, 2184 }; 2185 2186 void iwl_mvm_link_sta_add_debugfs(struct ieee80211_hw *hw, 2187 struct ieee80211_vif *vif, 2188 struct ieee80211_link_sta *link_sta, 2189 struct dentry *dir) 2190 { 2191 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2192 2193 if (iwl_mvm_has_tlc_offload(mvm)) { 2194 MVM_DEBUGFS_ADD_LINK_STA_FILE(rs_data, dir, 0400); 2195 } 2196 2197 MVM_DEBUGFS_ADD_LINK_STA_FILE(amsdu_len, dir, 0600); 2198 } 2199 2200 void iwl_mvm_dbgfs_register(struct iwl_mvm *mvm) 2201 { 2202 struct dentry *bcast_dir __maybe_unused; 2203 2204 spin_lock_init(&mvm->drv_stats_lock); 2205 2206 MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, 0200); 2207 MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, 0200); 2208 MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, 0600); 2209 MVM_DEBUGFS_ADD_FILE(set_nic_temperature, mvm->debugfs_dir, 0600); 2210 MVM_DEBUGFS_ADD_FILE(nic_temp, mvm->debugfs_dir, 0400); 2211 MVM_DEBUGFS_ADD_FILE(ctdp_budget, mvm->debugfs_dir, 0400); 2212 MVM_DEBUGFS_ADD_FILE(stop_ctdp, mvm->debugfs_dir, 0200); 2213 MVM_DEBUGFS_ADD_FILE(force_ctkill, mvm->debugfs_dir, 0200); 2214 MVM_DEBUGFS_ADD_FILE(stations, mvm->debugfs_dir, 0400); 2215 MVM_DEBUGFS_ADD_FILE(bt_notif, mvm->debugfs_dir, 0400); 2216 MVM_DEBUGFS_ADD_FILE(bt_cmd, mvm->debugfs_dir, 0400); 2217 MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir, 0600); 2218 MVM_DEBUGFS_ADD_FILE(fw_ver, mvm->debugfs_dir, 0400); 2219 MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, 0400); 2220 MVM_DEBUGFS_ADD_FILE(drv_rx_stats, mvm->debugfs_dir, 0400); 2221 MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, 0200); 2222 MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, 0200); 2223 MVM_DEBUGFS_ADD_FILE(bt_tx_prio, mvm->debugfs_dir, 0200); 2224 MVM_DEBUGFS_ADD_FILE(bt_force_ant, mvm->debugfs_dir, 0200); 2225 MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir, 0600); 2226 MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, 0600); 2227 MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, 0600); 2228 MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, 0200); 2229 MVM_DEBUGFS_ADD_FILE(dbg_time_point, mvm->debugfs_dir, 0200); 2230 MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, 0200); 2231 MVM_DEBUGFS_ADD_FILE(indirection_tbl, mvm->debugfs_dir, 0200); 2232 MVM_DEBUGFS_ADD_FILE(inject_packet, mvm->debugfs_dir, 0200); 2233 MVM_DEBUGFS_ADD_FILE(inject_beacon_ie, mvm->debugfs_dir, 0200); 2234 MVM_DEBUGFS_ADD_FILE(inject_beacon_ie_restore, mvm->debugfs_dir, 0200); 2235 MVM_DEBUGFS_ADD_FILE(rfi_freq_table, mvm->debugfs_dir, 0600); 2236 2237 if (mvm->fw->phy_integration_ver) 2238 MVM_DEBUGFS_ADD_FILE(phy_integration_ver, mvm->debugfs_dir, 0400); 2239 MVM_DEBUGFS_ADD_FILE(tas_get_status, mvm->debugfs_dir, 0400); 2240 #ifdef CONFIG_ACPI 2241 MVM_DEBUGFS_ADD_FILE(sar_geo_profile, mvm->debugfs_dir, 0400); 2242 MVM_DEBUGFS_ADD_FILE(wifi_6e_enable, mvm->debugfs_dir, 0400); 2243 #endif 2244 MVM_DEBUGFS_ADD_FILE(he_sniffer_params, mvm->debugfs_dir, 0600); 2245 2246 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_LTR_GEN2)) 2247 MVM_DEBUGFS_ADD_FILE(ltr_config, mvm->debugfs_dir, 0200); 2248 2249 debugfs_create_bool("enable_scan_iteration_notif", 0600, 2250 mvm->debugfs_dir, &mvm->scan_iter_notif_enabled); 2251 debugfs_create_bool("drop_bcn_ap_mode", 0600, mvm->debugfs_dir, 2252 &mvm->drop_bcn_ap_mode); 2253 2254 MVM_DEBUGFS_ADD_FILE(uapsd_noagg_bssids, mvm->debugfs_dir, S_IRUSR); 2255 2256 #ifdef CONFIG_PM_SLEEP 2257 MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, 0400); 2258 debugfs_create_bool("d3_wake_sysassert", 0600, mvm->debugfs_dir, 2259 &mvm->d3_wake_sysassert); 2260 debugfs_create_u32("last_netdetect_scans", 0400, mvm->debugfs_dir, 2261 &mvm->last_netdetect_scans); 2262 #endif 2263 2264 debugfs_create_u8("ps_disabled", 0400, mvm->debugfs_dir, 2265 &mvm->ps_disabled); 2266 debugfs_create_blob("nvm_hw", 0400, mvm->debugfs_dir, 2267 &mvm->nvm_hw_blob); 2268 debugfs_create_blob("nvm_sw", 0400, mvm->debugfs_dir, 2269 &mvm->nvm_sw_blob); 2270 debugfs_create_blob("nvm_calib", 0400, mvm->debugfs_dir, 2271 &mvm->nvm_calib_blob); 2272 debugfs_create_blob("nvm_prod", 0400, mvm->debugfs_dir, 2273 &mvm->nvm_prod_blob); 2274 debugfs_create_blob("nvm_phy_sku", 0400, mvm->debugfs_dir, 2275 &mvm->nvm_phy_sku_blob); 2276 debugfs_create_blob("nvm_reg", S_IRUSR, 2277 mvm->debugfs_dir, &mvm->nvm_reg_blob); 2278 2279 debugfs_create_file("mem", 0600, mvm->debugfs_dir, mvm, 2280 &iwl_dbgfs_mem_ops); 2281 2282 /* 2283 * Create a symlink with mac80211. It will be removed when mac80211 2284 * exists (before the opmode exists which removes the target.) 2285 */ 2286 if (!IS_ERR(mvm->debugfs_dir)) { 2287 char buf[100]; 2288 2289 snprintf(buf, 100, "../../%pd2", mvm->debugfs_dir->d_parent); 2290 debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, 2291 buf); 2292 } 2293 } 2294