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 #if defined(__linux__) 737 mvm->fwrt.dev->bus->name); 738 #elif defined(__FreeBSD__) 739 "<bus>"); 740 #endif 741 742 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff); 743 kfree(buff); 744 745 return ret; 746 } 747 748 static ssize_t iwl_dbgfs_tas_get_status_read(struct file *file, 749 char __user *user_buf, 750 size_t count, loff_t *ppos) 751 { 752 struct iwl_mvm *mvm = file->private_data; 753 struct iwl_mvm_tas_status_resp tas_rsp; 754 struct iwl_mvm_tas_status_resp *rsp = &tas_rsp; 755 static const size_t bufsz = 1024; 756 char *buff, *pos, *endpos; 757 const char * const tas_dis_reason[TAS_DISABLED_REASON_MAX] = { 758 [TAS_DISABLED_DUE_TO_BIOS] = 759 "Due To BIOS", 760 [TAS_DISABLED_DUE_TO_SAR_6DBM] = 761 "Due To SAR Limit Less Than 6 dBm", 762 [TAS_DISABLED_REASON_INVALID] = 763 "N/A", 764 }; 765 const char * const tas_current_status[TAS_DYNA_STATUS_MAX] = { 766 [TAS_DYNA_INACTIVE] = "INACTIVE", 767 [TAS_DYNA_INACTIVE_MVM_MODE] = 768 "inactive due to mvm mode", 769 [TAS_DYNA_INACTIVE_TRIGGER_MODE] = 770 "inactive due to trigger mode", 771 [TAS_DYNA_INACTIVE_BLOCK_LISTED] = 772 "inactive due to block listed", 773 [TAS_DYNA_INACTIVE_UHB_NON_US] = 774 "inactive due to uhb non US", 775 [TAS_DYNA_ACTIVE] = "ACTIVE", 776 }; 777 struct iwl_host_cmd hcmd = { 778 .id = WIDE_ID(DEBUG_GROUP, GET_TAS_STATUS), 779 .flags = CMD_WANT_SKB, 780 .len = { 0, }, 781 .data = { NULL, }, 782 }; 783 int ret, i, tmp; 784 bool tas_enabled = false; 785 unsigned long dyn_status; 786 787 if (!iwl_mvm_firmware_running(mvm)) 788 return -ENODEV; 789 790 mutex_lock(&mvm->mutex); 791 ret = iwl_mvm_send_cmd(mvm, &hcmd); 792 mutex_unlock(&mvm->mutex); 793 if (ret < 0) 794 return ret; 795 796 buff = kzalloc(bufsz, GFP_KERNEL); 797 if (!buff) 798 return -ENOMEM; 799 pos = buff; 800 endpos = pos + bufsz; 801 802 rsp = (void *)hcmd.resp_pkt->data; 803 804 pos += scnprintf(pos, endpos - pos, "TAS Conclusion:\n"); 805 for (i = 0; i < rsp->in_dual_radio + 1; i++) { 806 if (rsp->tas_status_mac[i].band != TAS_LMAC_BAND_INVALID && 807 rsp->tas_status_mac[i].dynamic_status & BIT(TAS_DYNA_ACTIVE)) { 808 pos += scnprintf(pos, endpos - pos, "\tON for "); 809 switch (rsp->tas_status_mac[i].band) { 810 case TAS_LMAC_BAND_HB: 811 pos += scnprintf(pos, endpos - pos, "HB\n"); 812 break; 813 case TAS_LMAC_BAND_LB: 814 pos += scnprintf(pos, endpos - pos, "LB\n"); 815 break; 816 case TAS_LMAC_BAND_UHB: 817 pos += scnprintf(pos, endpos - pos, "UHB\n"); 818 break; 819 case TAS_LMAC_BAND_INVALID: 820 pos += scnprintf(pos, endpos - pos, 821 "INVALID BAND\n"); 822 break; 823 default: 824 pos += scnprintf(pos, endpos - pos, 825 "Unsupported band (%d)\n", 826 rsp->tas_status_mac[i].band); 827 goto out; 828 } 829 tas_enabled = true; 830 } 831 } 832 if (!tas_enabled) 833 pos += scnprintf(pos, endpos - pos, "\tOFF\n"); 834 835 pos += scnprintf(pos, endpos - pos, "TAS Report\n"); 836 pos += scnprintf(pos, endpos - pos, "TAS FW version: %d\n", 837 rsp->tas_fw_version); 838 pos += scnprintf(pos, endpos - pos, "Is UHB enabled for USA?: %s\n", 839 rsp->is_uhb_for_usa_enable ? "True" : "False"); 840 pos += scnprintf(pos, endpos - pos, "Current MCC: 0x%x\n", 841 le16_to_cpu(rsp->curr_mcc)); 842 843 pos += scnprintf(pos, endpos - pos, "Block list entries:"); 844 for (i = 0; i < APCI_WTAS_BLACK_LIST_MAX; i++) 845 pos += scnprintf(pos, endpos - pos, " 0x%x", 846 le16_to_cpu(rsp->block_list[i])); 847 848 pos += scnprintf(pos, endpos - pos, "\nOEM name: %s\n", 849 dmi_get_system_info(DMI_SYS_VENDOR)); 850 pos += scnprintf(pos, endpos - pos, "\tVendor In Approved List: %s\n", 851 iwl_mvm_is_vendor_in_approved_list() ? "YES" : "NO"); 852 pos += scnprintf(pos, endpos - pos, 853 "\tDo TAS Support Dual Radio?: %s\n", 854 rsp->in_dual_radio ? "TRUE" : "FALSE"); 855 856 for (i = 0; i < rsp->in_dual_radio + 1; i++) { 857 if (rsp->tas_status_mac[i].static_status == 0) { 858 pos += scnprintf(pos, endpos - pos, 859 "Static status: disabled\n"); 860 pos += scnprintf(pos, endpos - pos, 861 "Static disabled reason: %s (0)\n", 862 tas_dis_reason[0]); 863 goto out; 864 } 865 866 pos += scnprintf(pos, endpos - pos, "TAS status for "); 867 switch (rsp->tas_status_mac[i].band) { 868 case TAS_LMAC_BAND_HB: 869 pos += scnprintf(pos, endpos - pos, "High band\n"); 870 break; 871 case TAS_LMAC_BAND_LB: 872 pos += scnprintf(pos, endpos - pos, "Low band\n"); 873 break; 874 case TAS_LMAC_BAND_UHB: 875 pos += scnprintf(pos, endpos - pos, 876 "Ultra high band\n"); 877 break; 878 case TAS_LMAC_BAND_INVALID: 879 pos += scnprintf(pos, endpos - pos, 880 "INVALID band\n"); 881 break; 882 default: 883 pos += scnprintf(pos, endpos - pos, 884 "Unsupported band (%d)\n", 885 rsp->tas_status_mac[i].band); 886 goto out; 887 } 888 pos += scnprintf(pos, endpos - pos, "Static status: %sabled\n", 889 rsp->tas_status_mac[i].static_status ? 890 "En" : "Dis"); 891 pos += scnprintf(pos, endpos - pos, 892 "\tStatic Disabled Reason: "); 893 if (rsp->tas_status_mac[i].static_dis_reason < TAS_DISABLED_REASON_MAX) 894 pos += scnprintf(pos, endpos - pos, "%s (%d)\n", 895 tas_dis_reason[rsp->tas_status_mac[i].static_dis_reason], 896 rsp->tas_status_mac[i].static_dis_reason); 897 else 898 pos += scnprintf(pos, endpos - pos, 899 "unsupported value (%d)\n", 900 rsp->tas_status_mac[i].static_dis_reason); 901 902 pos += scnprintf(pos, endpos - pos, "Dynamic status:\n"); 903 dyn_status = (rsp->tas_status_mac[i].dynamic_status); 904 for_each_set_bit(tmp, &dyn_status, sizeof(dyn_status)) { 905 if (tmp >= 0 && tmp < TAS_DYNA_STATUS_MAX) 906 pos += scnprintf(pos, endpos - pos, 907 "\t%s (%d)\n", 908 tas_current_status[tmp], tmp); 909 } 910 911 pos += scnprintf(pos, endpos - pos, 912 "Is near disconnection?: %s\n", 913 rsp->tas_status_mac[i].near_disconnection ? 914 "True" : "False"); 915 tmp = le16_to_cpu(rsp->tas_status_mac[i].max_reg_pwr_limit); 916 pos += scnprintf(pos, endpos - pos, 917 "Max. regulatory pwr limit (dBm): %d.%03d\n", 918 tmp / 8, 125 * (tmp % 8)); 919 tmp = le16_to_cpu(rsp->tas_status_mac[i].sar_limit); 920 pos += scnprintf(pos, endpos - pos, 921 "SAR limit (dBm): %d.%03d\n", 922 tmp / 8, 125 * (tmp % 8)); 923 } 924 925 out: 926 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff); 927 kfree(buff); 928 iwl_free_resp(&hcmd); 929 return ret; 930 } 931 932 static ssize_t iwl_dbgfs_phy_integration_ver_read(struct file *file, 933 char __user *user_buf, 934 size_t count, loff_t *ppos) 935 { 936 struct iwl_mvm *mvm = file->private_data; 937 char *buf; 938 size_t bufsz; 939 int pos; 940 ssize_t ret; 941 942 bufsz = mvm->fw->phy_integration_ver_len + 2; 943 buf = kmalloc(bufsz, GFP_KERNEL); 944 if (!buf) 945 return -ENOMEM; 946 947 pos = scnprintf(buf, bufsz, "%.*s\n", mvm->fw->phy_integration_ver_len, 948 mvm->fw->phy_integration_ver); 949 950 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 951 952 kfree(buf); 953 return ret; 954 } 955 956 #define PRINT_STATS_LE32(_struct, _memb) \ 957 pos += scnprintf(buf + pos, bufsz - pos, \ 958 fmt_table, #_memb, \ 959 le32_to_cpu(_struct->_memb)) 960 961 static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file, 962 char __user *user_buf, size_t count, 963 loff_t *ppos) 964 { 965 struct iwl_mvm *mvm = file->private_data; 966 static const char *fmt_table = "\t%-30s %10u\n"; 967 static const char *fmt_header = "%-32s\n"; 968 int pos = 0; 969 char *buf; 970 int ret; 971 size_t bufsz; 972 973 if (iwl_mvm_has_new_rx_stats_api(mvm)) 974 bufsz = ((sizeof(struct mvm_statistics_rx) / 975 sizeof(__le32)) * 43) + (4 * 33) + 1; 976 else 977 /* 43 = size of each data line; 33 = size of each header */ 978 bufsz = ((sizeof(struct mvm_statistics_rx_v3) / 979 sizeof(__le32)) * 43) + (4 * 33) + 1; 980 981 buf = kzalloc(bufsz, GFP_KERNEL); 982 if (!buf) 983 return -ENOMEM; 984 985 mutex_lock(&mvm->mutex); 986 987 if (iwl_mvm_firmware_running(mvm)) 988 iwl_mvm_request_statistics(mvm, false); 989 990 pos += scnprintf(buf + pos, bufsz - pos, fmt_header, 991 "Statistics_Rx - OFDM"); 992 if (!iwl_mvm_has_new_rx_stats_api(mvm)) { 993 struct mvm_statistics_rx_phy_v2 *ofdm = &mvm->rx_stats_v3.ofdm; 994 995 PRINT_STATS_LE32(ofdm, ina_cnt); 996 PRINT_STATS_LE32(ofdm, fina_cnt); 997 PRINT_STATS_LE32(ofdm, plcp_err); 998 PRINT_STATS_LE32(ofdm, crc32_err); 999 PRINT_STATS_LE32(ofdm, overrun_err); 1000 PRINT_STATS_LE32(ofdm, early_overrun_err); 1001 PRINT_STATS_LE32(ofdm, crc32_good); 1002 PRINT_STATS_LE32(ofdm, false_alarm_cnt); 1003 PRINT_STATS_LE32(ofdm, fina_sync_err_cnt); 1004 PRINT_STATS_LE32(ofdm, sfd_timeout); 1005 PRINT_STATS_LE32(ofdm, fina_timeout); 1006 PRINT_STATS_LE32(ofdm, unresponded_rts); 1007 PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun); 1008 PRINT_STATS_LE32(ofdm, sent_ack_cnt); 1009 PRINT_STATS_LE32(ofdm, sent_cts_cnt); 1010 PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt); 1011 PRINT_STATS_LE32(ofdm, dsp_self_kill); 1012 PRINT_STATS_LE32(ofdm, mh_format_err); 1013 PRINT_STATS_LE32(ofdm, re_acq_main_rssi_sum); 1014 PRINT_STATS_LE32(ofdm, reserved); 1015 } else { 1016 struct mvm_statistics_rx_phy *ofdm = &mvm->rx_stats.ofdm; 1017 1018 PRINT_STATS_LE32(ofdm, unresponded_rts); 1019 PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun); 1020 PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt); 1021 PRINT_STATS_LE32(ofdm, dsp_self_kill); 1022 PRINT_STATS_LE32(ofdm, reserved); 1023 } 1024 1025 pos += scnprintf(buf + pos, bufsz - pos, fmt_header, 1026 "Statistics_Rx - CCK"); 1027 if (!iwl_mvm_has_new_rx_stats_api(mvm)) { 1028 struct mvm_statistics_rx_phy_v2 *cck = &mvm->rx_stats_v3.cck; 1029 1030 PRINT_STATS_LE32(cck, ina_cnt); 1031 PRINT_STATS_LE32(cck, fina_cnt); 1032 PRINT_STATS_LE32(cck, plcp_err); 1033 PRINT_STATS_LE32(cck, crc32_err); 1034 PRINT_STATS_LE32(cck, overrun_err); 1035 PRINT_STATS_LE32(cck, early_overrun_err); 1036 PRINT_STATS_LE32(cck, crc32_good); 1037 PRINT_STATS_LE32(cck, false_alarm_cnt); 1038 PRINT_STATS_LE32(cck, fina_sync_err_cnt); 1039 PRINT_STATS_LE32(cck, sfd_timeout); 1040 PRINT_STATS_LE32(cck, fina_timeout); 1041 PRINT_STATS_LE32(cck, unresponded_rts); 1042 PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun); 1043 PRINT_STATS_LE32(cck, sent_ack_cnt); 1044 PRINT_STATS_LE32(cck, sent_cts_cnt); 1045 PRINT_STATS_LE32(cck, sent_ba_rsp_cnt); 1046 PRINT_STATS_LE32(cck, dsp_self_kill); 1047 PRINT_STATS_LE32(cck, mh_format_err); 1048 PRINT_STATS_LE32(cck, re_acq_main_rssi_sum); 1049 PRINT_STATS_LE32(cck, reserved); 1050 } else { 1051 struct mvm_statistics_rx_phy *cck = &mvm->rx_stats.cck; 1052 1053 PRINT_STATS_LE32(cck, unresponded_rts); 1054 PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun); 1055 PRINT_STATS_LE32(cck, sent_ba_rsp_cnt); 1056 PRINT_STATS_LE32(cck, dsp_self_kill); 1057 PRINT_STATS_LE32(cck, reserved); 1058 } 1059 1060 pos += scnprintf(buf + pos, bufsz - pos, fmt_header, 1061 "Statistics_Rx - GENERAL"); 1062 if (!iwl_mvm_has_new_rx_stats_api(mvm)) { 1063 struct mvm_statistics_rx_non_phy_v3 *general = 1064 &mvm->rx_stats_v3.general; 1065 1066 PRINT_STATS_LE32(general, bogus_cts); 1067 PRINT_STATS_LE32(general, bogus_ack); 1068 PRINT_STATS_LE32(general, non_bssid_frames); 1069 PRINT_STATS_LE32(general, filtered_frames); 1070 PRINT_STATS_LE32(general, non_channel_beacons); 1071 PRINT_STATS_LE32(general, channel_beacons); 1072 PRINT_STATS_LE32(general, num_missed_bcon); 1073 PRINT_STATS_LE32(general, adc_rx_saturation_time); 1074 PRINT_STATS_LE32(general, ina_detection_search_time); 1075 PRINT_STATS_LE32(general, beacon_silence_rssi_a); 1076 PRINT_STATS_LE32(general, beacon_silence_rssi_b); 1077 PRINT_STATS_LE32(general, beacon_silence_rssi_c); 1078 PRINT_STATS_LE32(general, interference_data_flag); 1079 PRINT_STATS_LE32(general, channel_load); 1080 PRINT_STATS_LE32(general, dsp_false_alarms); 1081 PRINT_STATS_LE32(general, beacon_rssi_a); 1082 PRINT_STATS_LE32(general, beacon_rssi_b); 1083 PRINT_STATS_LE32(general, beacon_rssi_c); 1084 PRINT_STATS_LE32(general, beacon_energy_a); 1085 PRINT_STATS_LE32(general, beacon_energy_b); 1086 PRINT_STATS_LE32(general, beacon_energy_c); 1087 PRINT_STATS_LE32(general, num_bt_kills); 1088 PRINT_STATS_LE32(general, mac_id); 1089 PRINT_STATS_LE32(general, directed_data_mpdu); 1090 } else { 1091 struct mvm_statistics_rx_non_phy *general = 1092 &mvm->rx_stats.general; 1093 1094 PRINT_STATS_LE32(general, bogus_cts); 1095 PRINT_STATS_LE32(general, bogus_ack); 1096 PRINT_STATS_LE32(general, non_channel_beacons); 1097 PRINT_STATS_LE32(general, channel_beacons); 1098 PRINT_STATS_LE32(general, num_missed_bcon); 1099 PRINT_STATS_LE32(general, adc_rx_saturation_time); 1100 PRINT_STATS_LE32(general, ina_detection_search_time); 1101 PRINT_STATS_LE32(general, beacon_silence_rssi_a); 1102 PRINT_STATS_LE32(general, beacon_silence_rssi_b); 1103 PRINT_STATS_LE32(general, beacon_silence_rssi_c); 1104 PRINT_STATS_LE32(general, interference_data_flag); 1105 PRINT_STATS_LE32(general, channel_load); 1106 PRINT_STATS_LE32(general, beacon_rssi_a); 1107 PRINT_STATS_LE32(general, beacon_rssi_b); 1108 PRINT_STATS_LE32(general, beacon_rssi_c); 1109 PRINT_STATS_LE32(general, beacon_energy_a); 1110 PRINT_STATS_LE32(general, beacon_energy_b); 1111 PRINT_STATS_LE32(general, beacon_energy_c); 1112 PRINT_STATS_LE32(general, num_bt_kills); 1113 PRINT_STATS_LE32(general, mac_id); 1114 } 1115 1116 pos += scnprintf(buf + pos, bufsz - pos, fmt_header, 1117 "Statistics_Rx - HT"); 1118 if (!iwl_mvm_has_new_rx_stats_api(mvm)) { 1119 struct mvm_statistics_rx_ht_phy_v1 *ht = 1120 &mvm->rx_stats_v3.ofdm_ht; 1121 1122 PRINT_STATS_LE32(ht, plcp_err); 1123 PRINT_STATS_LE32(ht, overrun_err); 1124 PRINT_STATS_LE32(ht, early_overrun_err); 1125 PRINT_STATS_LE32(ht, crc32_good); 1126 PRINT_STATS_LE32(ht, crc32_err); 1127 PRINT_STATS_LE32(ht, mh_format_err); 1128 PRINT_STATS_LE32(ht, agg_crc32_good); 1129 PRINT_STATS_LE32(ht, agg_mpdu_cnt); 1130 PRINT_STATS_LE32(ht, agg_cnt); 1131 PRINT_STATS_LE32(ht, unsupport_mcs); 1132 } else { 1133 struct mvm_statistics_rx_ht_phy *ht = 1134 &mvm->rx_stats.ofdm_ht; 1135 1136 PRINT_STATS_LE32(ht, mh_format_err); 1137 PRINT_STATS_LE32(ht, agg_mpdu_cnt); 1138 PRINT_STATS_LE32(ht, agg_cnt); 1139 PRINT_STATS_LE32(ht, unsupport_mcs); 1140 } 1141 1142 mutex_unlock(&mvm->mutex); 1143 1144 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1145 kfree(buf); 1146 1147 return ret; 1148 } 1149 #undef PRINT_STAT_LE32 1150 1151 static ssize_t iwl_dbgfs_frame_stats_read(struct iwl_mvm *mvm, 1152 char __user *user_buf, size_t count, 1153 loff_t *ppos, 1154 struct iwl_mvm_frame_stats *stats) 1155 { 1156 char *buff, *pos, *endpos; 1157 int idx, i; 1158 int ret; 1159 static const size_t bufsz = 1024; 1160 1161 buff = kmalloc(bufsz, GFP_KERNEL); 1162 if (!buff) 1163 return -ENOMEM; 1164 1165 spin_lock_bh(&mvm->drv_stats_lock); 1166 1167 pos = buff; 1168 endpos = pos + bufsz; 1169 1170 pos += scnprintf(pos, endpos - pos, 1171 "Legacy/HT/VHT\t:\t%d/%d/%d\n", 1172 stats->legacy_frames, 1173 stats->ht_frames, 1174 stats->vht_frames); 1175 pos += scnprintf(pos, endpos - pos, "20/40/80\t:\t%d/%d/%d\n", 1176 stats->bw_20_frames, 1177 stats->bw_40_frames, 1178 stats->bw_80_frames); 1179 pos += scnprintf(pos, endpos - pos, "NGI/SGI\t\t:\t%d/%d\n", 1180 stats->ngi_frames, 1181 stats->sgi_frames); 1182 pos += scnprintf(pos, endpos - pos, "SISO/MIMO2\t:\t%d/%d\n", 1183 stats->siso_frames, 1184 stats->mimo2_frames); 1185 pos += scnprintf(pos, endpos - pos, "FAIL/SCSS\t:\t%d/%d\n", 1186 stats->fail_frames, 1187 stats->success_frames); 1188 pos += scnprintf(pos, endpos - pos, "MPDUs agg\t:\t%d\n", 1189 stats->agg_frames); 1190 pos += scnprintf(pos, endpos - pos, "A-MPDUs\t\t:\t%d\n", 1191 stats->ampdu_count); 1192 pos += scnprintf(pos, endpos - pos, "Avg MPDUs/A-MPDU:\t%d\n", 1193 stats->ampdu_count > 0 ? 1194 (stats->agg_frames / stats->ampdu_count) : 0); 1195 1196 pos += scnprintf(pos, endpos - pos, "Last Rates\n"); 1197 1198 idx = stats->last_frame_idx - 1; 1199 for (i = 0; i < ARRAY_SIZE(stats->last_rates); i++) { 1200 idx = (idx + 1) % ARRAY_SIZE(stats->last_rates); 1201 if (stats->last_rates[idx] == 0) 1202 continue; 1203 pos += scnprintf(pos, endpos - pos, "Rate[%d]: ", 1204 (int)(ARRAY_SIZE(stats->last_rates) - i)); 1205 pos += rs_pretty_print_rate_v1(pos, endpos - pos, 1206 stats->last_rates[idx]); 1207 if (pos < endpos - 1) 1208 *pos++ = '\n'; 1209 } 1210 spin_unlock_bh(&mvm->drv_stats_lock); 1211 1212 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff); 1213 kfree(buff); 1214 1215 return ret; 1216 } 1217 1218 static ssize_t iwl_dbgfs_drv_rx_stats_read(struct file *file, 1219 char __user *user_buf, size_t count, 1220 loff_t *ppos) 1221 { 1222 struct iwl_mvm *mvm = file->private_data; 1223 1224 return iwl_dbgfs_frame_stats_read(mvm, user_buf, count, ppos, 1225 &mvm->drv_rx_stats); 1226 } 1227 1228 static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf, 1229 size_t count, loff_t *ppos) 1230 { 1231 int __maybe_unused ret; 1232 1233 if (!iwl_mvm_firmware_running(mvm)) 1234 return -EIO; 1235 1236 mutex_lock(&mvm->mutex); 1237 1238 /* allow one more restart that we're provoking here */ 1239 if (mvm->fw_restart >= 0) 1240 mvm->fw_restart++; 1241 1242 if (count == 6 && !strcmp(buf, "nolog\n")) { 1243 set_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE, &mvm->status); 1244 set_bit(STATUS_SUPPRESS_CMD_ERROR_ONCE, &mvm->trans->status); 1245 } 1246 1247 /* take the return value to make compiler happy - it will fail anyway */ 1248 ret = iwl_mvm_send_cmd_pdu(mvm, 1249 WIDE_ID(LONG_GROUP, REPLY_ERROR), 1250 0, 0, NULL); 1251 1252 mutex_unlock(&mvm->mutex); 1253 1254 return count; 1255 } 1256 1257 static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf, 1258 size_t count, loff_t *ppos) 1259 { 1260 if (!iwl_mvm_firmware_running(mvm)) 1261 return -EIO; 1262 1263 if (count == 6 && !strcmp(buf, "nolog\n")) 1264 set_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE, &mvm->status); 1265 1266 iwl_force_nmi(mvm->trans); 1267 1268 return count; 1269 } 1270 1271 static ssize_t 1272 iwl_dbgfs_scan_ant_rxchain_read(struct file *file, 1273 char __user *user_buf, 1274 size_t count, loff_t *ppos) 1275 { 1276 struct iwl_mvm *mvm = file->private_data; 1277 int pos = 0; 1278 char buf[32]; 1279 const size_t bufsz = sizeof(buf); 1280 1281 /* print which antennas were set for the scan command by the user */ 1282 pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: "); 1283 if (mvm->scan_rx_ant & ANT_A) 1284 pos += scnprintf(buf + pos, bufsz - pos, "A"); 1285 if (mvm->scan_rx_ant & ANT_B) 1286 pos += scnprintf(buf + pos, bufsz - pos, "B"); 1287 pos += scnprintf(buf + pos, bufsz - pos, " (%x)\n", mvm->scan_rx_ant); 1288 1289 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1290 } 1291 1292 static ssize_t 1293 iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf, 1294 size_t count, loff_t *ppos) 1295 { 1296 u8 scan_rx_ant; 1297 1298 if (!iwl_mvm_firmware_running(mvm)) 1299 return -EIO; 1300 1301 if (sscanf(buf, "%hhx", &scan_rx_ant) != 1) 1302 return -EINVAL; 1303 if (scan_rx_ant > ANT_ABC) 1304 return -EINVAL; 1305 if (scan_rx_ant & ~(iwl_mvm_get_valid_rx_ant(mvm))) 1306 return -EINVAL; 1307 1308 if (mvm->scan_rx_ant != scan_rx_ant) { 1309 mvm->scan_rx_ant = scan_rx_ant; 1310 if (fw_has_capa(&mvm->fw->ucode_capa, 1311 IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 1312 iwl_mvm_config_scan(mvm); 1313 } 1314 1315 return count; 1316 } 1317 1318 static ssize_t iwl_dbgfs_indirection_tbl_write(struct iwl_mvm *mvm, 1319 char *buf, size_t count, 1320 loff_t *ppos) 1321 { 1322 struct iwl_rss_config_cmd cmd = { 1323 .flags = cpu_to_le32(IWL_RSS_ENABLE), 1324 .hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP | 1325 IWL_RSS_HASH_TYPE_IPV4_UDP | 1326 IWL_RSS_HASH_TYPE_IPV4_PAYLOAD | 1327 IWL_RSS_HASH_TYPE_IPV6_TCP | 1328 IWL_RSS_HASH_TYPE_IPV6_UDP | 1329 IWL_RSS_HASH_TYPE_IPV6_PAYLOAD, 1330 }; 1331 int ret, i, num_repeats, nbytes = count / 2; 1332 1333 ret = hex2bin(cmd.indirection_table, buf, nbytes); 1334 if (ret) 1335 return ret; 1336 1337 /* 1338 * The input is the redirection table, partial or full. 1339 * Repeat the pattern if needed. 1340 * For example, input of 01020F will be repeated 42 times, 1341 * indirecting RSS hash results to queues 1, 2, 15 (skipping 1342 * queues 3 - 14). 1343 */ 1344 num_repeats = ARRAY_SIZE(cmd.indirection_table) / nbytes; 1345 for (i = 1; i < num_repeats; i++) 1346 memcpy(&cmd.indirection_table[i * nbytes], 1347 cmd.indirection_table, nbytes); 1348 /* handle cut in the middle pattern for the last places */ 1349 memcpy(&cmd.indirection_table[i * nbytes], cmd.indirection_table, 1350 ARRAY_SIZE(cmd.indirection_table) % nbytes); 1351 1352 netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key)); 1353 1354 mutex_lock(&mvm->mutex); 1355 if (iwl_mvm_firmware_running(mvm)) 1356 ret = iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, 1357 sizeof(cmd), &cmd); 1358 else 1359 ret = 0; 1360 mutex_unlock(&mvm->mutex); 1361 1362 return ret ?: count; 1363 } 1364 1365 static ssize_t iwl_dbgfs_inject_packet_write(struct iwl_mvm *mvm, 1366 char *buf, size_t count, 1367 loff_t *ppos) 1368 { 1369 struct iwl_op_mode *opmode = container_of((void *)mvm, 1370 struct iwl_op_mode, 1371 op_mode_specific); 1372 struct iwl_rx_cmd_buffer rxb = { 1373 ._rx_page_order = 0, 1374 .truesize = 0, /* not used */ 1375 ._offset = 0, 1376 }; 1377 struct iwl_rx_packet *pkt; 1378 int bin_len = count / 2; 1379 int ret = -EINVAL; 1380 1381 if (!iwl_mvm_firmware_running(mvm)) 1382 return -EIO; 1383 1384 /* supporting only MQ RX */ 1385 if (!mvm->trans->trans_cfg->mq_rx_supported) 1386 return -ENOTSUPP; 1387 1388 rxb._page = alloc_pages(GFP_ATOMIC, 0); 1389 if (!rxb._page) 1390 return -ENOMEM; 1391 pkt = rxb_addr(&rxb); 1392 1393 ret = hex2bin(page_address(rxb._page), buf, bin_len); 1394 if (ret) 1395 goto out; 1396 1397 /* avoid invalid memory access and malformed packet */ 1398 if (bin_len < sizeof(*pkt) || 1399 bin_len != sizeof(*pkt) + iwl_rx_packet_payload_len(pkt)) 1400 goto out; 1401 1402 local_bh_disable(); 1403 iwl_mvm_rx_mq(opmode, NULL, &rxb); 1404 local_bh_enable(); 1405 ret = 0; 1406 1407 out: 1408 iwl_free_rxb(&rxb); 1409 1410 return ret ?: count; 1411 } 1412 1413 static int _iwl_dbgfs_inject_beacon_ie(struct iwl_mvm *mvm, char *bin, int len) 1414 { 1415 struct ieee80211_vif *vif; 1416 struct iwl_mvm_vif *mvmvif; 1417 struct sk_buff *beacon; 1418 struct ieee80211_tx_info *info; 1419 struct iwl_mac_beacon_cmd beacon_cmd = {}; 1420 unsigned int link_id; 1421 u8 rate; 1422 int i; 1423 1424 len /= 2; 1425 1426 /* Element len should be represented by u8 */ 1427 if (len >= U8_MAX) 1428 return -EINVAL; 1429 1430 if (!iwl_mvm_firmware_running(mvm)) 1431 return -EIO; 1432 1433 if (!iwl_mvm_has_new_tx_api(mvm) && 1434 !fw_has_api(&mvm->fw->ucode_capa, 1435 IWL_UCODE_TLV_API_NEW_BEACON_TEMPLATE)) 1436 return -EINVAL; 1437 1438 mutex_lock(&mvm->mutex); 1439 1440 for (i = 0; i < NUM_MAC_INDEX_DRIVER; i++) { 1441 vif = iwl_mvm_rcu_dereference_vif_id(mvm, i, false); 1442 if (!vif) 1443 continue; 1444 1445 if (vif->type == NL80211_IFTYPE_AP) 1446 break; 1447 } 1448 1449 if (i == NUM_MAC_INDEX_DRIVER || !vif) 1450 goto out_err; 1451 1452 mvm->hw->extra_beacon_tailroom = len; 1453 1454 beacon = ieee80211_beacon_get_template(mvm->hw, vif, NULL, 0); 1455 if (!beacon) 1456 goto out_err; 1457 1458 if (len && hex2bin(skb_put_zero(beacon, len), bin, len)) { 1459 dev_kfree_skb(beacon); 1460 goto out_err; 1461 } 1462 1463 mvm->beacon_inject_active = true; 1464 1465 mvmvif = iwl_mvm_vif_from_mac80211(vif); 1466 info = IEEE80211_SKB_CB(beacon); 1467 rate = iwl_mvm_mac_ctxt_get_beacon_rate(mvm, info, vif); 1468 1469 for_each_mvm_vif_valid_link(mvmvif, link_id) { 1470 beacon_cmd.flags = 1471 cpu_to_le16(iwl_mvm_mac_ctxt_get_beacon_flags(mvm->fw, 1472 rate)); 1473 beacon_cmd.byte_cnt = cpu_to_le16((u16)beacon->len); 1474 if (iwl_fw_lookup_cmd_ver(mvm->fw, BEACON_TEMPLATE_CMD, 0) > 12) 1475 beacon_cmd.link_id = 1476 cpu_to_le32(mvmvif->link[link_id]->fw_link_id); 1477 else 1478 beacon_cmd.link_id = cpu_to_le32((u32)mvmvif->id); 1479 1480 iwl_mvm_mac_ctxt_set_tim(mvm, &beacon_cmd.tim_idx, 1481 &beacon_cmd.tim_size, 1482 beacon->data, beacon->len); 1483 1484 iwl_mvm_mac_ctxt_send_beacon_cmd(mvm, beacon, &beacon_cmd, 1485 sizeof(beacon_cmd)); 1486 } 1487 mutex_unlock(&mvm->mutex); 1488 1489 dev_kfree_skb(beacon); 1490 1491 return 0; 1492 1493 out_err: 1494 mutex_unlock(&mvm->mutex); 1495 return -EINVAL; 1496 } 1497 1498 static ssize_t iwl_dbgfs_inject_beacon_ie_write(struct iwl_mvm *mvm, 1499 char *buf, size_t count, 1500 loff_t *ppos) 1501 { 1502 int ret = _iwl_dbgfs_inject_beacon_ie(mvm, buf, count); 1503 1504 mvm->hw->extra_beacon_tailroom = 0; 1505 return ret ?: count; 1506 } 1507 1508 static ssize_t iwl_dbgfs_inject_beacon_ie_restore_write(struct iwl_mvm *mvm, 1509 char *buf, 1510 size_t count, 1511 loff_t *ppos) 1512 { 1513 int ret = _iwl_dbgfs_inject_beacon_ie(mvm, NULL, 0); 1514 1515 mvm->hw->extra_beacon_tailroom = 0; 1516 mvm->beacon_inject_active = false; 1517 return ret ?: count; 1518 } 1519 1520 static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file, 1521 char __user *user_buf, 1522 size_t count, loff_t *ppos) 1523 { 1524 struct iwl_mvm *mvm = file->private_data; 1525 int conf; 1526 char buf[8]; 1527 const size_t bufsz = sizeof(buf); 1528 int pos = 0; 1529 1530 mutex_lock(&mvm->mutex); 1531 conf = mvm->fwrt.dump.conf; 1532 mutex_unlock(&mvm->mutex); 1533 1534 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", conf); 1535 1536 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1537 } 1538 1539 static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm, 1540 char *buf, size_t count, 1541 loff_t *ppos) 1542 { 1543 unsigned int conf_id; 1544 int ret; 1545 1546 if (!iwl_mvm_firmware_running(mvm)) 1547 return -EIO; 1548 1549 ret = kstrtouint(buf, 0, &conf_id); 1550 if (ret) 1551 return ret; 1552 1553 if (WARN_ON(conf_id >= FW_DBG_CONF_MAX)) 1554 return -EINVAL; 1555 1556 mutex_lock(&mvm->mutex); 1557 ret = iwl_fw_start_dbg_conf(&mvm->fwrt, conf_id); 1558 mutex_unlock(&mvm->mutex); 1559 1560 return ret ?: count; 1561 } 1562 1563 static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm, 1564 char *buf, size_t count, 1565 loff_t *ppos) 1566 { 1567 if (count == 0) 1568 return 0; 1569 1570 iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_USER_TRIGGER, 1571 NULL); 1572 1573 iwl_fw_dbg_collect(&mvm->fwrt, FW_DBG_TRIGGER_USER, buf, 1574 (count - 1), NULL); 1575 1576 return count; 1577 } 1578 1579 static ssize_t iwl_dbgfs_dbg_time_point_write(struct iwl_mvm *mvm, 1580 char *buf, size_t count, 1581 loff_t *ppos) 1582 { 1583 u32 timepoint; 1584 1585 if (kstrtou32(buf, 0, &timepoint)) 1586 return -EINVAL; 1587 1588 if (timepoint == IWL_FW_INI_TIME_POINT_INVALID || 1589 timepoint >= IWL_FW_INI_TIME_POINT_NUM) 1590 return -EINVAL; 1591 1592 iwl_dbg_tlv_time_point(&mvm->fwrt, timepoint, NULL); 1593 1594 return count; 1595 } 1596 1597 #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \ 1598 _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm) 1599 #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \ 1600 _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm) 1601 #define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do { \ 1602 debugfs_create_file(alias, mode, parent, mvm, \ 1603 &iwl_dbgfs_##name##_ops); \ 1604 } while (0) 1605 #define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \ 1606 MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode) 1607 1608 static ssize_t 1609 _iwl_dbgfs_link_sta_wrap_write(ssize_t (*real)(struct ieee80211_link_sta *, 1610 struct iwl_mvm_sta *, 1611 struct iwl_mvm *, 1612 struct iwl_mvm_link_sta *, 1613 char *, 1614 size_t, loff_t *), 1615 struct file *file, 1616 char *buf, size_t buf_size, loff_t *ppos) 1617 { 1618 struct ieee80211_link_sta *link_sta = file->private_data; 1619 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(link_sta->sta); 1620 struct iwl_mvm *mvm = iwl_mvm_vif_from_mac80211(mvmsta->vif)->mvm; 1621 struct iwl_mvm_link_sta *mvm_link_sta; 1622 ssize_t ret; 1623 1624 mutex_lock(&mvm->mutex); 1625 1626 mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_sta->link_id], 1627 lockdep_is_held(&mvm->mutex)); 1628 if (WARN_ON(!mvm_link_sta)) { 1629 mutex_unlock(&mvm->mutex); 1630 return -ENODEV; 1631 } 1632 1633 ret = real(link_sta, mvmsta, mvm, mvm_link_sta, buf, buf_size, ppos); 1634 1635 mutex_unlock(&mvm->mutex); 1636 1637 return ret; 1638 } 1639 1640 static ssize_t 1641 _iwl_dbgfs_link_sta_wrap_read(ssize_t (*real)(struct ieee80211_link_sta *, 1642 struct iwl_mvm_sta *, 1643 struct iwl_mvm *, 1644 struct iwl_mvm_link_sta *, 1645 char __user *, 1646 size_t, loff_t *), 1647 struct file *file, 1648 char __user *user_buf, size_t count, loff_t *ppos) 1649 { 1650 struct ieee80211_link_sta *link_sta = file->private_data; 1651 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(link_sta->sta); 1652 struct iwl_mvm *mvm = iwl_mvm_vif_from_mac80211(mvmsta->vif)->mvm; 1653 struct iwl_mvm_link_sta *mvm_link_sta; 1654 ssize_t ret; 1655 1656 mutex_lock(&mvm->mutex); 1657 1658 mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_sta->link_id], 1659 lockdep_is_held(&mvm->mutex)); 1660 if (WARN_ON(!mvm_link_sta)) { 1661 mutex_unlock(&mvm->mutex); 1662 return -ENODEV; 1663 } 1664 1665 ret = real(link_sta, mvmsta, mvm, mvm_link_sta, user_buf, count, ppos); 1666 1667 mutex_unlock(&mvm->mutex); 1668 1669 return ret; 1670 } 1671 1672 #define MVM_DEBUGFS_LINK_STA_WRITE_WRAPPER(name, buflen) \ 1673 static ssize_t _iwl_dbgfs_link_sta_##name##_write(struct file *file, \ 1674 const char __user *user_buf, \ 1675 size_t count, loff_t *ppos) \ 1676 { \ 1677 char buf[buflen] = {}; \ 1678 size_t buf_size = min(count, sizeof(buf) - 1); \ 1679 \ 1680 if (copy_from_user(buf, user_buf, sizeof(buf))) \ 1681 return -EFAULT; \ 1682 \ 1683 return _iwl_dbgfs_link_sta_wrap_write(iwl_dbgfs_##name##_write, \ 1684 file, \ 1685 buf, buf_size, ppos); \ 1686 } \ 1687 1688 #define MVM_DEBUGFS_LINK_STA_READ_WRAPPER(name) \ 1689 static ssize_t _iwl_dbgfs_link_sta_##name##_read(struct file *file, \ 1690 char __user *user_buf, \ 1691 size_t count, loff_t *ppos) \ 1692 { \ 1693 return _iwl_dbgfs_link_sta_wrap_read(iwl_dbgfs_##name##_read, \ 1694 file, \ 1695 user_buf, count, ppos); \ 1696 } \ 1697 1698 #define MVM_DEBUGFS_WRITE_LINK_STA_FILE_OPS(name, bufsz) \ 1699 MVM_DEBUGFS_LINK_STA_WRITE_WRAPPER(name, bufsz) \ 1700 static const struct file_operations iwl_dbgfs_link_sta_##name##_ops = { \ 1701 .write = _iwl_dbgfs_link_sta_##name##_write, \ 1702 .open = simple_open, \ 1703 .llseek = generic_file_llseek, \ 1704 } 1705 1706 #define MVM_DEBUGFS_READ_LINK_STA_FILE_OPS(name) \ 1707 MVM_DEBUGFS_LINK_STA_READ_WRAPPER(name) \ 1708 static const struct file_operations iwl_dbgfs_link_sta_##name##_ops = { \ 1709 .read = _iwl_dbgfs_link_sta_##name##_read, \ 1710 .open = simple_open, \ 1711 .llseek = generic_file_llseek, \ 1712 } 1713 1714 #define MVM_DEBUGFS_READ_WRITE_LINK_STA_FILE_OPS(name, bufsz) \ 1715 MVM_DEBUGFS_LINK_STA_READ_WRAPPER(name) \ 1716 MVM_DEBUGFS_LINK_STA_WRITE_WRAPPER(name, bufsz) \ 1717 static const struct file_operations iwl_dbgfs_link_sta_##name##_ops = { \ 1718 .read = _iwl_dbgfs_link_sta_##name##_read, \ 1719 .write = _iwl_dbgfs_link_sta_##name##_write, \ 1720 .open = simple_open, \ 1721 .llseek = generic_file_llseek, \ 1722 } 1723 1724 #define MVM_DEBUGFS_ADD_LINK_STA_FILE_ALIAS(alias, name, parent, mode) \ 1725 debugfs_create_file(alias, mode, parent, link_sta, \ 1726 &iwl_dbgfs_link_sta_##name##_ops) 1727 #define MVM_DEBUGFS_ADD_LINK_STA_FILE(name, parent, mode) \ 1728 MVM_DEBUGFS_ADD_LINK_STA_FILE_ALIAS(#name, name, parent, mode) 1729 1730 static ssize_t 1731 iwl_dbgfs_prph_reg_read(struct file *file, 1732 char __user *user_buf, 1733 size_t count, loff_t *ppos) 1734 { 1735 struct iwl_mvm *mvm = file->private_data; 1736 int pos = 0; 1737 char buf[32]; 1738 const size_t bufsz = sizeof(buf); 1739 1740 if (!mvm->dbgfs_prph_reg_addr) 1741 return -EINVAL; 1742 1743 pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n", 1744 mvm->dbgfs_prph_reg_addr, 1745 iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr)); 1746 1747 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1748 } 1749 1750 static ssize_t 1751 iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf, 1752 size_t count, loff_t *ppos) 1753 { 1754 u8 args; 1755 u32 value; 1756 1757 args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value); 1758 /* if we only want to set the reg address - nothing more to do */ 1759 if (args == 1) 1760 goto out; 1761 1762 /* otherwise, make sure we have both address and value */ 1763 if (args != 2) 1764 return -EINVAL; 1765 1766 iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value); 1767 1768 out: 1769 return count; 1770 } 1771 1772 static ssize_t 1773 iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm *mvm, char *buf, 1774 size_t count, loff_t *ppos) 1775 { 1776 int ret; 1777 1778 if (!iwl_mvm_firmware_running(mvm)) 1779 return -EIO; 1780 1781 mutex_lock(&mvm->mutex); 1782 ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL); 1783 mutex_unlock(&mvm->mutex); 1784 1785 return ret ?: count; 1786 } 1787 1788 struct iwl_mvm_sniffer_apply { 1789 struct iwl_mvm *mvm; 1790 u8 *bssid; 1791 u16 aid; 1792 }; 1793 1794 static bool iwl_mvm_sniffer_apply(struct iwl_notif_wait_data *notif_data, 1795 struct iwl_rx_packet *pkt, void *data) 1796 { 1797 struct iwl_mvm_sniffer_apply *apply = data; 1798 1799 apply->mvm->cur_aid = cpu_to_le16(apply->aid); 1800 memcpy(apply->mvm->cur_bssid, apply->bssid, 1801 sizeof(apply->mvm->cur_bssid)); 1802 1803 return true; 1804 } 1805 1806 static ssize_t 1807 iwl_dbgfs_he_sniffer_params_write(struct iwl_mvm *mvm, char *buf, 1808 size_t count, loff_t *ppos) 1809 { 1810 struct iwl_notification_wait wait; 1811 struct iwl_he_monitor_cmd he_mon_cmd = {}; 1812 struct iwl_mvm_sniffer_apply apply = { 1813 .mvm = mvm, 1814 }; 1815 u16 wait_cmds[] = { 1816 WIDE_ID(DATA_PATH_GROUP, HE_AIR_SNIFFER_CONFIG_CMD), 1817 }; 1818 u32 aid; 1819 int ret; 1820 1821 if (!iwl_mvm_firmware_running(mvm)) 1822 return -EIO; 1823 1824 ret = sscanf(buf, "%x %2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx", &aid, 1825 &he_mon_cmd.bssid[0], &he_mon_cmd.bssid[1], 1826 &he_mon_cmd.bssid[2], &he_mon_cmd.bssid[3], 1827 &he_mon_cmd.bssid[4], &he_mon_cmd.bssid[5]); 1828 if (ret != 7) 1829 return -EINVAL; 1830 1831 he_mon_cmd.aid = cpu_to_le16(aid); 1832 1833 apply.aid = aid; 1834 apply.bssid = (void *)he_mon_cmd.bssid; 1835 1836 mutex_lock(&mvm->mutex); 1837 1838 /* 1839 * Use the notification waiter to get our function triggered 1840 * in sequence with other RX. This ensures that frames we get 1841 * on the RX queue _before_ the new configuration is applied 1842 * still have mvm->cur_aid pointing to the old AID, and that 1843 * frames on the RX queue _after_ the firmware processed the 1844 * new configuration (and sent the response, synchronously) 1845 * get mvm->cur_aid correctly set to the new AID. 1846 */ 1847 iwl_init_notification_wait(&mvm->notif_wait, &wait, 1848 wait_cmds, ARRAY_SIZE(wait_cmds), 1849 iwl_mvm_sniffer_apply, &apply); 1850 1851 ret = iwl_mvm_send_cmd_pdu(mvm, 1852 WIDE_ID(DATA_PATH_GROUP, HE_AIR_SNIFFER_CONFIG_CMD), 1853 0, 1854 sizeof(he_mon_cmd), &he_mon_cmd); 1855 1856 /* no need to really wait, we already did anyway */ 1857 iwl_remove_notification(&mvm->notif_wait, &wait); 1858 1859 mutex_unlock(&mvm->mutex); 1860 1861 return ret ?: count; 1862 } 1863 1864 static ssize_t 1865 iwl_dbgfs_he_sniffer_params_read(struct file *file, char __user *user_buf, 1866 size_t count, loff_t *ppos) 1867 { 1868 struct iwl_mvm *mvm = file->private_data; 1869 u8 buf[32]; 1870 int len; 1871 1872 len = scnprintf(buf, sizeof(buf), 1873 "%d %02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx\n", 1874 le16_to_cpu(mvm->cur_aid), mvm->cur_bssid[0], 1875 mvm->cur_bssid[1], mvm->cur_bssid[2], mvm->cur_bssid[3], 1876 mvm->cur_bssid[4], mvm->cur_bssid[5]); 1877 1878 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1879 } 1880 1881 static ssize_t 1882 iwl_dbgfs_uapsd_noagg_bssids_read(struct file *file, char __user *user_buf, 1883 size_t count, loff_t *ppos) 1884 { 1885 struct iwl_mvm *mvm = file->private_data; 1886 u8 buf[IWL_MVM_UAPSD_NOAGG_BSSIDS_NUM * ETH_ALEN * 3 + 1]; 1887 unsigned int pos = 0; 1888 size_t bufsz = sizeof(buf); 1889 int i; 1890 1891 mutex_lock(&mvm->mutex); 1892 1893 for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) 1894 pos += scnprintf(buf + pos, bufsz - pos, "%pM\n", 1895 mvm->uapsd_noagg_bssids[i].addr); 1896 1897 mutex_unlock(&mvm->mutex); 1898 1899 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1900 } 1901 1902 static ssize_t 1903 iwl_dbgfs_ltr_config_write(struct iwl_mvm *mvm, 1904 char *buf, size_t count, loff_t *ppos) 1905 { 1906 int ret; 1907 struct iwl_ltr_config_cmd ltr_config = {0}; 1908 1909 if (!iwl_mvm_firmware_running(mvm)) 1910 return -EIO; 1911 1912 if (sscanf(buf, "%x,%x,%x,%x,%x,%x,%x", 1913 <r_config.flags, 1914 <r_config.static_long, 1915 <r_config.static_short, 1916 <r_config.ltr_cfg_values[0], 1917 <r_config.ltr_cfg_values[1], 1918 <r_config.ltr_cfg_values[2], 1919 <r_config.ltr_cfg_values[3]) != 7) { 1920 return -EINVAL; 1921 } 1922 1923 mutex_lock(&mvm->mutex); 1924 ret = iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, sizeof(ltr_config), 1925 <r_config); 1926 mutex_unlock(&mvm->mutex); 1927 1928 if (ret) 1929 IWL_ERR(mvm, "failed to send ltr configuration cmd\n"); 1930 1931 return ret ?: count; 1932 } 1933 1934 static ssize_t iwl_dbgfs_rfi_freq_table_write(struct iwl_mvm *mvm, char *buf, 1935 size_t count, loff_t *ppos) 1936 { 1937 int ret = 0; 1938 u16 op_id; 1939 1940 if (kstrtou16(buf, 10, &op_id)) 1941 return -EINVAL; 1942 1943 /* value zero triggers re-sending the default table to the device */ 1944 if (!op_id) { 1945 mutex_lock(&mvm->mutex); 1946 ret = iwl_rfi_send_config_cmd(mvm, NULL); 1947 mutex_unlock(&mvm->mutex); 1948 } else { 1949 ret = -EOPNOTSUPP; /* in the future a new table will be added */ 1950 } 1951 1952 return ret ?: count; 1953 } 1954 1955 /* The size computation is as follows: 1956 * each number needs at most 3 characters, number of rows is the size of 1957 * the table; So, need 5 chars for the "freq: " part and each tuple afterwards 1958 * needs 6 characters for numbers and 5 for the punctuation around. 1959 */ 1960 #define IWL_RFI_BUF_SIZE (IWL_RFI_LUT_INSTALLED_SIZE *\ 1961 (5 + IWL_RFI_LUT_ENTRY_CHANNELS_NUM * (6 + 5))) 1962 1963 static ssize_t iwl_dbgfs_rfi_freq_table_read(struct file *file, 1964 char __user *user_buf, 1965 size_t count, loff_t *ppos) 1966 { 1967 struct iwl_mvm *mvm = file->private_data; 1968 struct iwl_rfi_freq_table_resp_cmd *resp; 1969 u32 status; 1970 char buf[IWL_RFI_BUF_SIZE]; 1971 int i, j, pos = 0; 1972 1973 resp = iwl_rfi_get_freq_table(mvm); 1974 if (IS_ERR(resp)) 1975 return PTR_ERR(resp); 1976 1977 status = le32_to_cpu(resp->status); 1978 if (status != RFI_FREQ_TABLE_OK) { 1979 scnprintf(buf, IWL_RFI_BUF_SIZE, "status = %d\n", status); 1980 goto out; 1981 } 1982 1983 for (i = 0; i < ARRAY_SIZE(resp->table); i++) { 1984 pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos, "%d: ", 1985 resp->table[i].freq); 1986 1987 for (j = 0; j < ARRAY_SIZE(resp->table[i].channels); j++) 1988 pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos, 1989 "(%d, %d) ", 1990 resp->table[i].channels[j], 1991 resp->table[i].bands[j]); 1992 pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos, "\n"); 1993 } 1994 1995 out: 1996 kfree(resp); 1997 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1998 } 1999 2000 MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64); 2001 2002 /* Device wide debugfs entries */ 2003 MVM_DEBUGFS_READ_FILE_OPS(ctdp_budget); 2004 MVM_DEBUGFS_WRITE_FILE_OPS(stop_ctdp, 8); 2005 MVM_DEBUGFS_WRITE_FILE_OPS(force_ctkill, 8); 2006 MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16); 2007 MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8); 2008 MVM_DEBUGFS_WRITE_FILE_OPS(send_echo_cmd, 8); 2009 MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64); 2010 MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64); 2011 MVM_DEBUGFS_READ_FILE_OPS(nic_temp); 2012 MVM_DEBUGFS_READ_FILE_OPS(stations); 2013 MVM_DEBUGFS_READ_LINK_STA_FILE_OPS(rs_data); 2014 MVM_DEBUGFS_READ_FILE_OPS(bt_notif); 2015 MVM_DEBUGFS_READ_FILE_OPS(bt_cmd); 2016 MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64); 2017 MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats); 2018 MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats); 2019 MVM_DEBUGFS_READ_FILE_OPS(fw_ver); 2020 MVM_DEBUGFS_READ_FILE_OPS(phy_integration_ver); 2021 MVM_DEBUGFS_READ_FILE_OPS(tas_get_status); 2022 MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10); 2023 MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10); 2024 MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10); 2025 MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10); 2026 MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8); 2027 MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8); 2028 MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 64); 2029 MVM_DEBUGFS_WRITE_FILE_OPS(dbg_time_point, 64); 2030 MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl, 2031 (IWL_RSS_INDIRECTION_TABLE_SIZE * 2)); 2032 MVM_DEBUGFS_WRITE_FILE_OPS(inject_packet, 512); 2033 MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie, 512); 2034 MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie_restore, 512); 2035 2036 MVM_DEBUGFS_READ_FILE_OPS(uapsd_noagg_bssids); 2037 2038 #ifdef CONFIG_ACPI 2039 MVM_DEBUGFS_READ_FILE_OPS(sar_geo_profile); 2040 MVM_DEBUGFS_READ_FILE_OPS(wifi_6e_enable); 2041 #endif 2042 2043 MVM_DEBUGFS_READ_WRITE_LINK_STA_FILE_OPS(amsdu_len, 16); 2044 2045 MVM_DEBUGFS_READ_WRITE_FILE_OPS(he_sniffer_params, 32); 2046 2047 MVM_DEBUGFS_WRITE_FILE_OPS(ltr_config, 512); 2048 MVM_DEBUGFS_READ_WRITE_FILE_OPS(rfi_freq_table, 16); 2049 2050 static ssize_t iwl_dbgfs_mem_read(struct file *file, char __user *user_buf, 2051 size_t count, loff_t *ppos) 2052 { 2053 struct iwl_mvm *mvm = file->private_data; 2054 struct iwl_dbg_mem_access_cmd cmd = {}; 2055 struct iwl_dbg_mem_access_rsp *rsp; 2056 struct iwl_host_cmd hcmd = { 2057 .flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL, 2058 .data = { &cmd, }, 2059 .len = { sizeof(cmd) }, 2060 }; 2061 size_t delta; 2062 ssize_t ret, len; 2063 2064 if (!iwl_mvm_firmware_running(mvm)) 2065 return -EIO; 2066 2067 hcmd.id = WIDE_ID(DEBUG_GROUP, *ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR); 2068 cmd.op = cpu_to_le32(DEBUG_MEM_OP_READ); 2069 2070 /* Take care of alignment of both the position and the length */ 2071 delta = *ppos & 0x3; 2072 cmd.addr = cpu_to_le32(*ppos - delta); 2073 cmd.len = cpu_to_le32(min(ALIGN(count + delta, 4) / 4, 2074 (size_t)DEBUG_MEM_MAX_SIZE_DWORDS)); 2075 2076 mutex_lock(&mvm->mutex); 2077 ret = iwl_mvm_send_cmd(mvm, &hcmd); 2078 mutex_unlock(&mvm->mutex); 2079 2080 if (ret < 0) 2081 return ret; 2082 2083 if (iwl_rx_packet_payload_len(hcmd.resp_pkt) < sizeof(*rsp)) { 2084 ret = -EIO; 2085 goto out; 2086 } 2087 2088 rsp = (void *)hcmd.resp_pkt->data; 2089 if (le32_to_cpu(rsp->status) != DEBUG_MEM_STATUS_SUCCESS) { 2090 ret = -ENXIO; 2091 goto out; 2092 } 2093 2094 len = min((size_t)le32_to_cpu(rsp->len) << 2, 2095 iwl_rx_packet_payload_len(hcmd.resp_pkt) - sizeof(*rsp)); 2096 len = min(len - delta, count); 2097 if (len < 0) { 2098 ret = -EFAULT; 2099 goto out; 2100 } 2101 2102 ret = len - copy_to_user(user_buf, (u8 *)rsp->data + delta, len); 2103 *ppos += ret; 2104 2105 out: 2106 iwl_free_resp(&hcmd); 2107 return ret; 2108 } 2109 2110 static ssize_t iwl_dbgfs_mem_write(struct file *file, 2111 const char __user *user_buf, size_t count, 2112 loff_t *ppos) 2113 { 2114 struct iwl_mvm *mvm = file->private_data; 2115 struct iwl_dbg_mem_access_cmd *cmd; 2116 struct iwl_dbg_mem_access_rsp *rsp; 2117 struct iwl_host_cmd hcmd = {}; 2118 size_t cmd_size; 2119 size_t data_size; 2120 u32 op, len; 2121 ssize_t ret; 2122 2123 if (!iwl_mvm_firmware_running(mvm)) 2124 return -EIO; 2125 2126 hcmd.id = WIDE_ID(DEBUG_GROUP, *ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR); 2127 2128 if (*ppos & 0x3 || count < 4) { 2129 op = DEBUG_MEM_OP_WRITE_BYTES; 2130 len = min(count, (size_t)(4 - (*ppos & 0x3))); 2131 data_size = len; 2132 } else { 2133 op = DEBUG_MEM_OP_WRITE; 2134 len = min(count >> 2, (size_t)DEBUG_MEM_MAX_SIZE_DWORDS); 2135 data_size = len << 2; 2136 } 2137 2138 cmd_size = sizeof(*cmd) + ALIGN(data_size, 4); 2139 cmd = kzalloc(cmd_size, GFP_KERNEL); 2140 if (!cmd) 2141 return -ENOMEM; 2142 2143 cmd->op = cpu_to_le32(op); 2144 cmd->len = cpu_to_le32(len); 2145 cmd->addr = cpu_to_le32(*ppos); 2146 if (copy_from_user((void *)cmd->data, user_buf, data_size)) { 2147 kfree(cmd); 2148 return -EFAULT; 2149 } 2150 2151 hcmd.flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL, 2152 hcmd.data[0] = (void *)cmd; 2153 hcmd.len[0] = cmd_size; 2154 2155 mutex_lock(&mvm->mutex); 2156 ret = iwl_mvm_send_cmd(mvm, &hcmd); 2157 mutex_unlock(&mvm->mutex); 2158 2159 kfree(cmd); 2160 2161 if (ret < 0) 2162 return ret; 2163 2164 if (iwl_rx_packet_payload_len(hcmd.resp_pkt) < sizeof(*rsp)) { 2165 ret = -EIO; 2166 goto out; 2167 } 2168 2169 rsp = (void *)hcmd.resp_pkt->data; 2170 if (rsp->status != DEBUG_MEM_STATUS_SUCCESS) { 2171 ret = -ENXIO; 2172 goto out; 2173 } 2174 2175 ret = data_size; 2176 *ppos += ret; 2177 2178 out: 2179 iwl_free_resp(&hcmd); 2180 return ret; 2181 } 2182 2183 static const struct file_operations iwl_dbgfs_mem_ops = { 2184 .read = iwl_dbgfs_mem_read, 2185 .write = iwl_dbgfs_mem_write, 2186 .open = simple_open, 2187 .llseek = default_llseek, 2188 }; 2189 2190 void iwl_mvm_link_sta_add_debugfs(struct ieee80211_hw *hw, 2191 struct ieee80211_vif *vif, 2192 struct ieee80211_link_sta *link_sta, 2193 struct dentry *dir) 2194 { 2195 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2196 2197 if (iwl_mvm_has_tlc_offload(mvm)) { 2198 MVM_DEBUGFS_ADD_LINK_STA_FILE(rs_data, dir, 0400); 2199 } 2200 2201 MVM_DEBUGFS_ADD_LINK_STA_FILE(amsdu_len, dir, 0600); 2202 } 2203 2204 void iwl_mvm_dbgfs_register(struct iwl_mvm *mvm) 2205 { 2206 struct dentry *bcast_dir __maybe_unused; 2207 2208 spin_lock_init(&mvm->drv_stats_lock); 2209 2210 MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, 0200); 2211 MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, 0200); 2212 MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, 0600); 2213 MVM_DEBUGFS_ADD_FILE(set_nic_temperature, mvm->debugfs_dir, 0600); 2214 MVM_DEBUGFS_ADD_FILE(nic_temp, mvm->debugfs_dir, 0400); 2215 MVM_DEBUGFS_ADD_FILE(ctdp_budget, mvm->debugfs_dir, 0400); 2216 MVM_DEBUGFS_ADD_FILE(stop_ctdp, mvm->debugfs_dir, 0200); 2217 MVM_DEBUGFS_ADD_FILE(force_ctkill, mvm->debugfs_dir, 0200); 2218 MVM_DEBUGFS_ADD_FILE(stations, mvm->debugfs_dir, 0400); 2219 MVM_DEBUGFS_ADD_FILE(bt_notif, mvm->debugfs_dir, 0400); 2220 MVM_DEBUGFS_ADD_FILE(bt_cmd, mvm->debugfs_dir, 0400); 2221 MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir, 0600); 2222 MVM_DEBUGFS_ADD_FILE(fw_ver, mvm->debugfs_dir, 0400); 2223 MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, 0400); 2224 MVM_DEBUGFS_ADD_FILE(drv_rx_stats, mvm->debugfs_dir, 0400); 2225 MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, 0200); 2226 MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, 0200); 2227 MVM_DEBUGFS_ADD_FILE(bt_tx_prio, mvm->debugfs_dir, 0200); 2228 MVM_DEBUGFS_ADD_FILE(bt_force_ant, mvm->debugfs_dir, 0200); 2229 MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir, 0600); 2230 MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, 0600); 2231 MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, 0600); 2232 MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, 0200); 2233 MVM_DEBUGFS_ADD_FILE(dbg_time_point, mvm->debugfs_dir, 0200); 2234 MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, 0200); 2235 MVM_DEBUGFS_ADD_FILE(indirection_tbl, mvm->debugfs_dir, 0200); 2236 MVM_DEBUGFS_ADD_FILE(inject_packet, mvm->debugfs_dir, 0200); 2237 MVM_DEBUGFS_ADD_FILE(inject_beacon_ie, mvm->debugfs_dir, 0200); 2238 MVM_DEBUGFS_ADD_FILE(inject_beacon_ie_restore, mvm->debugfs_dir, 0200); 2239 MVM_DEBUGFS_ADD_FILE(rfi_freq_table, mvm->debugfs_dir, 0600); 2240 2241 if (mvm->fw->phy_integration_ver) 2242 MVM_DEBUGFS_ADD_FILE(phy_integration_ver, mvm->debugfs_dir, 0400); 2243 MVM_DEBUGFS_ADD_FILE(tas_get_status, mvm->debugfs_dir, 0400); 2244 #ifdef CONFIG_ACPI 2245 MVM_DEBUGFS_ADD_FILE(sar_geo_profile, mvm->debugfs_dir, 0400); 2246 MVM_DEBUGFS_ADD_FILE(wifi_6e_enable, mvm->debugfs_dir, 0400); 2247 #endif 2248 MVM_DEBUGFS_ADD_FILE(he_sniffer_params, mvm->debugfs_dir, 0600); 2249 2250 if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_LTR_GEN2)) 2251 MVM_DEBUGFS_ADD_FILE(ltr_config, mvm->debugfs_dir, 0200); 2252 2253 debugfs_create_bool("enable_scan_iteration_notif", 0600, 2254 mvm->debugfs_dir, &mvm->scan_iter_notif_enabled); 2255 debugfs_create_bool("drop_bcn_ap_mode", 0600, mvm->debugfs_dir, 2256 &mvm->drop_bcn_ap_mode); 2257 2258 MVM_DEBUGFS_ADD_FILE(uapsd_noagg_bssids, mvm->debugfs_dir, S_IRUSR); 2259 2260 #ifdef CONFIG_PM_SLEEP 2261 MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, 0400); 2262 debugfs_create_bool("d3_wake_sysassert", 0600, mvm->debugfs_dir, 2263 &mvm->d3_wake_sysassert); 2264 debugfs_create_u32("last_netdetect_scans", 0400, mvm->debugfs_dir, 2265 &mvm->last_netdetect_scans); 2266 #endif 2267 2268 debugfs_create_u8("ps_disabled", 0400, mvm->debugfs_dir, 2269 &mvm->ps_disabled); 2270 debugfs_create_blob("nvm_hw", 0400, mvm->debugfs_dir, 2271 &mvm->nvm_hw_blob); 2272 debugfs_create_blob("nvm_sw", 0400, mvm->debugfs_dir, 2273 &mvm->nvm_sw_blob); 2274 debugfs_create_blob("nvm_calib", 0400, mvm->debugfs_dir, 2275 &mvm->nvm_calib_blob); 2276 debugfs_create_blob("nvm_prod", 0400, mvm->debugfs_dir, 2277 &mvm->nvm_prod_blob); 2278 debugfs_create_blob("nvm_phy_sku", 0400, mvm->debugfs_dir, 2279 &mvm->nvm_phy_sku_blob); 2280 debugfs_create_blob("nvm_reg", S_IRUSR, 2281 mvm->debugfs_dir, &mvm->nvm_reg_blob); 2282 2283 debugfs_create_file("mem", 0600, mvm->debugfs_dir, mvm, 2284 &iwl_dbgfs_mem_ops); 2285 2286 #if defined(__linux__) 2287 /* 2288 * Create a symlink with mac80211. It will be removed when mac80211 2289 * exists (before the opmode exists which removes the target.) 2290 */ 2291 if (!IS_ERR(mvm->debugfs_dir)) { 2292 char buf[100]; 2293 2294 snprintf(buf, 100, "../../%pd2", mvm->debugfs_dir->d_parent); 2295 debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, 2296 buf); 2297 } 2298 #endif 2299 } 2300