1 /****************************************************************************** 2 * 3 * This file is provided under a dual BSD/GPLv2 license. When using or 4 * redistributing this file, you may do so under either license. 5 * 6 * GPL LICENSE SUMMARY 7 * 8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. 9 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 10 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 11 * Copyright(c) 2018 - 2019 Intel Corporation 12 * 13 * This program is free software; you can redistribute it and/or modify 14 * it under the terms of version 2 of the GNU General Public License as 15 * published by the Free Software Foundation. 16 * 17 * This program is distributed in the hope that it will be useful, but 18 * WITHOUT ANY WARRANTY; without even the implied warranty of 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 20 * General Public License for more details. 21 * 22 * The full GNU General Public License is included in this distribution 23 * in the file called COPYING. 24 * 25 * Contact Information: 26 * Intel Linux Wireless <linuxwifi@intel.com> 27 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 28 * 29 * BSD LICENSE 30 * 31 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. 32 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 33 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 34 * Copyright(c) 2018 - 2019 Intel Corporation 35 * All rights reserved. 36 * 37 * Redistribution and use in source and binary forms, with or without 38 * modification, are permitted provided that the following conditions 39 * are met: 40 * 41 * * Redistributions of source code must retain the above copyright 42 * notice, this list of conditions and the following disclaimer. 43 * * Redistributions in binary form must reproduce the above copyright 44 * notice, this list of conditions and the following disclaimer in 45 * the documentation and/or other materials provided with the 46 * distribution. 47 * * Neither the name Intel Corporation nor the names of its 48 * contributors may be used to endorse or promote products derived 49 * from this software without specific prior written permission. 50 * 51 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 52 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 53 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 54 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 55 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 56 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 57 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 58 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 59 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 60 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 61 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 62 * 63 *****************************************************************************/ 64 #include <linux/vmalloc.h> 65 #include <linux/ieee80211.h> 66 #include <linux/netdevice.h> 67 68 #include "mvm.h" 69 #include "sta.h" 70 #include "iwl-io.h" 71 #include "debugfs.h" 72 #include "iwl-modparams.h" 73 #include "fw/error-dump.h" 74 75 static ssize_t iwl_dbgfs_ctdp_budget_read(struct file *file, 76 char __user *user_buf, 77 size_t count, loff_t *ppos) 78 { 79 struct iwl_mvm *mvm = file->private_data; 80 char buf[16]; 81 int pos, budget; 82 83 if (!iwl_mvm_is_ctdp_supported(mvm)) 84 return -EOPNOTSUPP; 85 86 if (!iwl_mvm_firmware_running(mvm) || 87 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR) 88 return -EIO; 89 90 mutex_lock(&mvm->mutex); 91 budget = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_REPORT, 0); 92 mutex_unlock(&mvm->mutex); 93 94 if (budget < 0) 95 return budget; 96 97 pos = scnprintf(buf, sizeof(buf), "%d\n", budget); 98 99 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 100 } 101 102 static ssize_t iwl_dbgfs_stop_ctdp_write(struct iwl_mvm *mvm, char *buf, 103 size_t count, loff_t *ppos) 104 { 105 int ret; 106 107 if (!iwl_mvm_is_ctdp_supported(mvm)) 108 return -EOPNOTSUPP; 109 110 if (!iwl_mvm_firmware_running(mvm) || 111 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR) 112 return -EIO; 113 114 mutex_lock(&mvm->mutex); 115 ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_STOP, 0); 116 mutex_unlock(&mvm->mutex); 117 118 return ret ?: count; 119 } 120 121 static ssize_t iwl_dbgfs_force_ctkill_write(struct iwl_mvm *mvm, char *buf, 122 size_t count, loff_t *ppos) 123 { 124 if (!iwl_mvm_firmware_running(mvm) || 125 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR) 126 return -EIO; 127 128 iwl_mvm_enter_ctkill(mvm); 129 130 return count; 131 } 132 133 static ssize_t iwl_dbgfs_tx_flush_write(struct iwl_mvm *mvm, char *buf, 134 size_t count, loff_t *ppos) 135 { 136 int ret; 137 u32 flush_arg; 138 139 if (!iwl_mvm_firmware_running(mvm) || 140 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR) 141 return -EIO; 142 143 if (kstrtou32(buf, 0, &flush_arg)) 144 return -EINVAL; 145 146 if (iwl_mvm_has_new_tx_api(mvm)) { 147 IWL_DEBUG_TX_QUEUES(mvm, 148 "FLUSHING all tids queues on sta_id = %d\n", 149 flush_arg); 150 mutex_lock(&mvm->mutex); 151 ret = iwl_mvm_flush_sta_tids(mvm, flush_arg, 0xFF, 0) ? : count; 152 mutex_unlock(&mvm->mutex); 153 return ret; 154 } 155 156 IWL_DEBUG_TX_QUEUES(mvm, "FLUSHING queues mask to flush = 0x%x\n", 157 flush_arg); 158 159 mutex_lock(&mvm->mutex); 160 ret = iwl_mvm_flush_tx_path(mvm, flush_arg, 0) ? : count; 161 mutex_unlock(&mvm->mutex); 162 163 return ret; 164 } 165 166 static ssize_t iwl_dbgfs_sta_drain_write(struct iwl_mvm *mvm, char *buf, 167 size_t count, loff_t *ppos) 168 { 169 struct iwl_mvm_sta *mvmsta; 170 int sta_id, drain, ret; 171 172 if (!iwl_mvm_firmware_running(mvm) || 173 mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR) 174 return -EIO; 175 176 if (sscanf(buf, "%d %d", &sta_id, &drain) != 2) 177 return -EINVAL; 178 if (sta_id < 0 || sta_id >= IWL_MVM_STATION_COUNT) 179 return -EINVAL; 180 if (drain < 0 || drain > 1) 181 return -EINVAL; 182 183 mutex_lock(&mvm->mutex); 184 185 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id); 186 187 if (!mvmsta) 188 ret = -ENOENT; 189 else 190 ret = iwl_mvm_drain_sta(mvm, mvmsta, drain) ? : count; 191 192 mutex_unlock(&mvm->mutex); 193 194 return ret; 195 } 196 197 static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf, 198 size_t count, loff_t *ppos) 199 { 200 struct iwl_mvm *mvm = file->private_data; 201 const struct fw_img *img; 202 unsigned int ofs, len; 203 size_t ret; 204 u8 *ptr; 205 206 if (!iwl_mvm_firmware_running(mvm)) 207 return -EINVAL; 208 209 /* default is to dump the entire data segment */ 210 img = &mvm->fw->img[mvm->fwrt.cur_fw_img]; 211 ofs = img->sec[IWL_UCODE_SECTION_DATA].offset; 212 len = img->sec[IWL_UCODE_SECTION_DATA].len; 213 214 if (mvm->dbgfs_sram_len) { 215 ofs = mvm->dbgfs_sram_offset; 216 len = mvm->dbgfs_sram_len; 217 } 218 219 ptr = kzalloc(len, GFP_KERNEL); 220 if (!ptr) 221 return -ENOMEM; 222 223 iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len); 224 225 ret = simple_read_from_buffer(user_buf, count, ppos, ptr, len); 226 227 kfree(ptr); 228 229 return ret; 230 } 231 232 static ssize_t iwl_dbgfs_sram_write(struct iwl_mvm *mvm, char *buf, 233 size_t count, loff_t *ppos) 234 { 235 const struct fw_img *img; 236 u32 offset, len; 237 u32 img_offset, img_len; 238 239 if (!iwl_mvm_firmware_running(mvm)) 240 return -EINVAL; 241 242 img = &mvm->fw->img[mvm->fwrt.cur_fw_img]; 243 img_offset = img->sec[IWL_UCODE_SECTION_DATA].offset; 244 img_len = img->sec[IWL_UCODE_SECTION_DATA].len; 245 246 if (sscanf(buf, "%x,%x", &offset, &len) == 2) { 247 if ((offset & 0x3) || (len & 0x3)) 248 return -EINVAL; 249 250 if (offset + len > img_offset + img_len) 251 return -EINVAL; 252 253 mvm->dbgfs_sram_offset = offset; 254 mvm->dbgfs_sram_len = len; 255 } else { 256 mvm->dbgfs_sram_offset = 0; 257 mvm->dbgfs_sram_len = 0; 258 } 259 260 return count; 261 } 262 263 static ssize_t iwl_dbgfs_set_nic_temperature_read(struct file *file, 264 char __user *user_buf, 265 size_t count, loff_t *ppos) 266 { 267 struct iwl_mvm *mvm = file->private_data; 268 char buf[16]; 269 int pos; 270 271 if (!mvm->temperature_test) 272 pos = scnprintf(buf , sizeof(buf), "disabled\n"); 273 else 274 pos = scnprintf(buf , sizeof(buf), "%d\n", mvm->temperature); 275 276 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 277 } 278 279 /* 280 * Set NIC Temperature 281 * Cause the driver to ignore the actual NIC temperature reported by the FW 282 * Enable: any value between IWL_MVM_DEBUG_SET_TEMPERATURE_MIN - 283 * IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 284 * Disable: IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 285 */ 286 static ssize_t iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm *mvm, 287 char *buf, size_t count, 288 loff_t *ppos) 289 { 290 int temperature; 291 292 if (!iwl_mvm_firmware_running(mvm) && !mvm->temperature_test) 293 return -EIO; 294 295 if (kstrtoint(buf, 10, &temperature)) 296 return -EINVAL; 297 /* not a legal temperature */ 298 if ((temperature > IWL_MVM_DEBUG_SET_TEMPERATURE_MAX && 299 temperature != IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) || 300 temperature < IWL_MVM_DEBUG_SET_TEMPERATURE_MIN) 301 return -EINVAL; 302 303 mutex_lock(&mvm->mutex); 304 if (temperature == IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) { 305 if (!mvm->temperature_test) 306 goto out; 307 308 mvm->temperature_test = false; 309 /* Since we can't read the temp while awake, just set 310 * it to zero until we get the next RX stats from the 311 * firmware. 312 */ 313 mvm->temperature = 0; 314 } else { 315 mvm->temperature_test = true; 316 mvm->temperature = temperature; 317 } 318 IWL_DEBUG_TEMP(mvm, "%sabling debug set temperature (temp = %d)\n", 319 mvm->temperature_test ? "En" : "Dis" , 320 mvm->temperature); 321 /* handle the temperature change */ 322 iwl_mvm_tt_handler(mvm); 323 324 out: 325 mutex_unlock(&mvm->mutex); 326 327 return count; 328 } 329 330 static ssize_t iwl_dbgfs_nic_temp_read(struct file *file, 331 char __user *user_buf, 332 size_t count, loff_t *ppos) 333 { 334 struct iwl_mvm *mvm = file->private_data; 335 char buf[16]; 336 int pos, ret; 337 s32 temp; 338 339 if (!iwl_mvm_firmware_running(mvm)) 340 return -EIO; 341 342 mutex_lock(&mvm->mutex); 343 ret = iwl_mvm_get_temp(mvm, &temp); 344 mutex_unlock(&mvm->mutex); 345 346 if (ret) 347 return -EIO; 348 349 pos = scnprintf(buf , sizeof(buf), "%d\n", temp); 350 351 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 352 } 353 354 #ifdef CONFIG_ACPI 355 static ssize_t iwl_dbgfs_sar_geo_profile_read(struct file *file, 356 char __user *user_buf, 357 size_t count, loff_t *ppos) 358 { 359 struct iwl_mvm *mvm = file->private_data; 360 char buf[256]; 361 int pos = 0; 362 int bufsz = sizeof(buf); 363 int tbl_idx; 364 u8 *value; 365 366 if (!iwl_mvm_firmware_running(mvm)) 367 return -EIO; 368 369 mutex_lock(&mvm->mutex); 370 tbl_idx = iwl_mvm_get_sar_geo_profile(mvm); 371 if (tbl_idx < 0) { 372 mutex_unlock(&mvm->mutex); 373 return tbl_idx; 374 } 375 376 if (!tbl_idx) { 377 pos = scnprintf(buf, bufsz, 378 "SAR geographic profile disabled\n"); 379 } else { 380 value = &mvm->geo_profiles[tbl_idx - 1].values[0]; 381 382 pos += scnprintf(buf + pos, bufsz - pos, 383 "Use geographic profile %d\n", tbl_idx); 384 pos += scnprintf(buf + pos, bufsz - pos, 385 "2.4GHz:\n\tChain A offset: %hhd dBm\n\tChain B offset: %hhd dBm\n\tmax tx power: %hhd dBm\n", 386 value[1], value[2], value[0]); 387 pos += scnprintf(buf + pos, bufsz - pos, 388 "5.2GHz:\n\tChain A offset: %hhd dBm\n\tChain B offset: %hhd dBm\n\tmax tx power: %hhd dBm\n", 389 value[4], value[5], value[3]); 390 } 391 mutex_unlock(&mvm->mutex); 392 393 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 394 } 395 #endif 396 397 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, 398 size_t count, loff_t *ppos) 399 { 400 struct iwl_mvm *mvm = file->private_data; 401 struct ieee80211_sta *sta; 402 char buf[400]; 403 int i, pos = 0, bufsz = sizeof(buf); 404 405 mutex_lock(&mvm->mutex); 406 407 for (i = 0; i < ARRAY_SIZE(mvm->fw_id_to_mac_id); i++) { 408 pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i); 409 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 410 lockdep_is_held(&mvm->mutex)); 411 if (!sta) 412 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n"); 413 else if (IS_ERR(sta)) 414 pos += scnprintf(buf + pos, bufsz - pos, "%ld\n", 415 PTR_ERR(sta)); 416 else 417 pos += scnprintf(buf + pos, bufsz - pos, "%pM\n", 418 sta->addr); 419 } 420 421 mutex_unlock(&mvm->mutex); 422 423 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 424 } 425 426 static ssize_t iwl_dbgfs_rs_data_read(struct file *file, char __user *user_buf, 427 size_t count, loff_t *ppos) 428 { 429 struct ieee80211_sta *sta = file->private_data; 430 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 431 struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->lq_sta.rs_fw; 432 struct iwl_mvm *mvm = lq_sta->pers.drv; 433 static const size_t bufsz = 2048; 434 char *buff; 435 int desc = 0; 436 ssize_t ret; 437 438 buff = kmalloc(bufsz, GFP_KERNEL); 439 if (!buff) 440 return -ENOMEM; 441 442 mutex_lock(&mvm->mutex); 443 444 desc += scnprintf(buff + desc, bufsz - desc, "sta_id %d\n", 445 lq_sta->pers.sta_id); 446 desc += scnprintf(buff + desc, bufsz - desc, 447 "fixed rate 0x%X\n", 448 lq_sta->pers.dbg_fixed_rate); 449 desc += scnprintf(buff + desc, bufsz - desc, 450 "A-MPDU size limit %d\n", 451 lq_sta->pers.dbg_agg_frame_count_lim); 452 desc += scnprintf(buff + desc, bufsz - desc, 453 "valid_tx_ant %s%s%s\n", 454 (iwl_mvm_get_valid_tx_ant(mvm) & ANT_A) ? "ANT_A," : "", 455 (iwl_mvm_get_valid_tx_ant(mvm) & ANT_B) ? "ANT_B," : "", 456 (iwl_mvm_get_valid_tx_ant(mvm) & ANT_C) ? "ANT_C" : ""); 457 desc += scnprintf(buff + desc, bufsz - desc, 458 "last tx rate=0x%X ", 459 lq_sta->last_rate_n_flags); 460 461 desc += rs_pretty_print_rate(buff + desc, bufsz - desc, 462 lq_sta->last_rate_n_flags); 463 mutex_unlock(&mvm->mutex); 464 465 ret = simple_read_from_buffer(user_buf, count, ppos, buff, desc); 466 kfree(buff); 467 return ret; 468 } 469 470 static ssize_t iwl_dbgfs_amsdu_len_write(struct ieee80211_sta *sta, 471 char *buf, size_t count, 472 loff_t *ppos) 473 { 474 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 475 int i; 476 u16 amsdu_len; 477 478 if (kstrtou16(buf, 0, &amsdu_len)) 479 return -EINVAL; 480 481 if (amsdu_len) { 482 mvmsta->orig_amsdu_len = sta->max_amsdu_len; 483 sta->max_amsdu_len = amsdu_len; 484 for (i = 0; i < ARRAY_SIZE(sta->max_tid_amsdu_len); i++) 485 sta->max_tid_amsdu_len[i] = amsdu_len; 486 } else { 487 sta->max_amsdu_len = mvmsta->orig_amsdu_len; 488 mvmsta->orig_amsdu_len = 0; 489 } 490 return count; 491 } 492 493 static ssize_t iwl_dbgfs_amsdu_len_read(struct file *file, 494 char __user *user_buf, 495 size_t count, loff_t *ppos) 496 { 497 struct ieee80211_sta *sta = file->private_data; 498 struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 499 500 char buf[32]; 501 int pos; 502 503 pos = scnprintf(buf, sizeof(buf), "current %d ", sta->max_amsdu_len); 504 pos += scnprintf(buf + pos, sizeof(buf) - pos, "stored %d\n", 505 mvmsta->orig_amsdu_len); 506 507 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 508 } 509 510 static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file, 511 char __user *user_buf, 512 size_t count, loff_t *ppos) 513 { 514 struct iwl_mvm *mvm = file->private_data; 515 char buf[64]; 516 int bufsz = sizeof(buf); 517 int pos = 0; 518 519 pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d0=%d\n", 520 mvm->disable_power_off); 521 pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d3=%d\n", 522 mvm->disable_power_off_d3); 523 524 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 525 } 526 527 static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf, 528 size_t count, loff_t *ppos) 529 { 530 int ret, val; 531 532 if (!iwl_mvm_firmware_running(mvm)) 533 return -EIO; 534 535 if (!strncmp("disable_power_off_d0=", buf, 21)) { 536 if (sscanf(buf + 21, "%d", &val) != 1) 537 return -EINVAL; 538 mvm->disable_power_off = val; 539 } else if (!strncmp("disable_power_off_d3=", buf, 21)) { 540 if (sscanf(buf + 21, "%d", &val) != 1) 541 return -EINVAL; 542 mvm->disable_power_off_d3 = val; 543 } else { 544 return -EINVAL; 545 } 546 547 mutex_lock(&mvm->mutex); 548 ret = iwl_mvm_power_update_device(mvm); 549 mutex_unlock(&mvm->mutex); 550 551 return ret ?: count; 552 } 553 554 static 555 int iwl_mvm_coex_dump_mbox(struct iwl_bt_coex_profile_notif *notif, char *buf, 556 int pos, int bufsz) 557 { 558 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n"); 559 560 BT_MBOX_PRINT(0, LE_SLAVE_LAT, false); 561 BT_MBOX_PRINT(0, LE_PROF1, false); 562 BT_MBOX_PRINT(0, LE_PROF2, false); 563 BT_MBOX_PRINT(0, LE_PROF_OTHER, false); 564 BT_MBOX_PRINT(0, CHL_SEQ_N, false); 565 BT_MBOX_PRINT(0, INBAND_S, false); 566 BT_MBOX_PRINT(0, LE_MIN_RSSI, false); 567 BT_MBOX_PRINT(0, LE_SCAN, false); 568 BT_MBOX_PRINT(0, LE_ADV, false); 569 BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false); 570 BT_MBOX_PRINT(0, OPEN_CON_1, true); 571 572 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n"); 573 574 BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false); 575 BT_MBOX_PRINT(1, IP_SR, false); 576 BT_MBOX_PRINT(1, LE_MSTR, false); 577 BT_MBOX_PRINT(1, AGGR_TRFC_LD, false); 578 BT_MBOX_PRINT(1, MSG_TYPE, false); 579 BT_MBOX_PRINT(1, SSN, true); 580 581 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n"); 582 583 BT_MBOX_PRINT(2, SNIFF_ACT, false); 584 BT_MBOX_PRINT(2, PAG, false); 585 BT_MBOX_PRINT(2, INQUIRY, false); 586 BT_MBOX_PRINT(2, CONN, false); 587 BT_MBOX_PRINT(2, SNIFF_INTERVAL, false); 588 BT_MBOX_PRINT(2, DISC, false); 589 BT_MBOX_PRINT(2, SCO_TX_ACT, false); 590 BT_MBOX_PRINT(2, SCO_RX_ACT, false); 591 BT_MBOX_PRINT(2, ESCO_RE_TX, false); 592 BT_MBOX_PRINT(2, SCO_DURATION, true); 593 594 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n"); 595 596 BT_MBOX_PRINT(3, SCO_STATE, false); 597 BT_MBOX_PRINT(3, SNIFF_STATE, false); 598 BT_MBOX_PRINT(3, A2DP_STATE, false); 599 BT_MBOX_PRINT(3, A2DP_SRC, false); 600 BT_MBOX_PRINT(3, ACL_STATE, false); 601 BT_MBOX_PRINT(3, MSTR_STATE, false); 602 BT_MBOX_PRINT(3, OBX_STATE, false); 603 BT_MBOX_PRINT(3, OPEN_CON_2, false); 604 BT_MBOX_PRINT(3, TRAFFIC_LOAD, false); 605 BT_MBOX_PRINT(3, CHL_SEQN_LSB, false); 606 BT_MBOX_PRINT(3, INBAND_P, false); 607 BT_MBOX_PRINT(3, MSG_TYPE_2, false); 608 BT_MBOX_PRINT(3, SSN_2, false); 609 BT_MBOX_PRINT(3, UPDATE_REQUEST, true); 610 611 return pos; 612 } 613 614 static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf, 615 size_t count, loff_t *ppos) 616 { 617 struct iwl_mvm *mvm = file->private_data; 618 struct iwl_bt_coex_profile_notif *notif = &mvm->last_bt_notif; 619 char *buf; 620 int ret, pos = 0, bufsz = sizeof(char) * 1024; 621 622 buf = kmalloc(bufsz, GFP_KERNEL); 623 if (!buf) 624 return -ENOMEM; 625 626 mutex_lock(&mvm->mutex); 627 628 pos += iwl_mvm_coex_dump_mbox(notif, buf, pos, bufsz); 629 630 pos += scnprintf(buf + pos, bufsz - pos, "bt_ci_compliance = %d\n", 631 notif->bt_ci_compliance); 632 pos += scnprintf(buf + pos, bufsz - pos, "primary_ch_lut = %d\n", 633 le32_to_cpu(notif->primary_ch_lut)); 634 pos += scnprintf(buf + pos, bufsz - pos, "secondary_ch_lut = %d\n", 635 le32_to_cpu(notif->secondary_ch_lut)); 636 pos += scnprintf(buf + pos, 637 bufsz - pos, "bt_activity_grading = %d\n", 638 le32_to_cpu(notif->bt_activity_grading)); 639 pos += scnprintf(buf + pos, bufsz - pos, "bt_rrc = %d\n", 640 notif->rrc_status & 0xF); 641 pos += scnprintf(buf + pos, bufsz - pos, "bt_ttc = %d\n", 642 notif->ttc_status & 0xF); 643 644 pos += scnprintf(buf + pos, bufsz - pos, "sync_sco = %d\n", 645 IWL_MVM_BT_COEX_SYNC2SCO); 646 pos += scnprintf(buf + pos, bufsz - pos, "mplut = %d\n", 647 IWL_MVM_BT_COEX_MPLUT); 648 649 mutex_unlock(&mvm->mutex); 650 651 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 652 kfree(buf); 653 654 return ret; 655 } 656 #undef BT_MBOX_PRINT 657 658 static ssize_t iwl_dbgfs_bt_cmd_read(struct file *file, char __user *user_buf, 659 size_t count, loff_t *ppos) 660 { 661 struct iwl_mvm *mvm = file->private_data; 662 struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd; 663 char buf[256]; 664 int bufsz = sizeof(buf); 665 int pos = 0; 666 667 mutex_lock(&mvm->mutex); 668 669 pos += scnprintf(buf + pos, bufsz - pos, "Channel inhibition CMD\n"); 670 pos += scnprintf(buf + pos, bufsz - pos, 671 "\tPrimary Channel Bitmap 0x%016llx\n", 672 le64_to_cpu(cmd->bt_primary_ci)); 673 pos += scnprintf(buf + pos, bufsz - pos, 674 "\tSecondary Channel Bitmap 0x%016llx\n", 675 le64_to_cpu(cmd->bt_secondary_ci)); 676 677 mutex_unlock(&mvm->mutex); 678 679 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 680 } 681 682 static ssize_t 683 iwl_dbgfs_bt_tx_prio_write(struct iwl_mvm *mvm, char *buf, 684 size_t count, loff_t *ppos) 685 { 686 u32 bt_tx_prio; 687 688 if (sscanf(buf, "%u", &bt_tx_prio) != 1) 689 return -EINVAL; 690 if (bt_tx_prio > 4) 691 return -EINVAL; 692 693 mvm->bt_tx_prio = bt_tx_prio; 694 695 return count; 696 } 697 698 static ssize_t 699 iwl_dbgfs_bt_force_ant_write(struct iwl_mvm *mvm, char *buf, 700 size_t count, loff_t *ppos) 701 { 702 static const char * const modes_str[BT_FORCE_ANT_MAX] = { 703 [BT_FORCE_ANT_DIS] = "dis", 704 [BT_FORCE_ANT_AUTO] = "auto", 705 [BT_FORCE_ANT_BT] = "bt", 706 [BT_FORCE_ANT_WIFI] = "wifi", 707 }; 708 int ret, bt_force_ant_mode; 709 710 ret = match_string(modes_str, ARRAY_SIZE(modes_str), buf); 711 if (ret < 0) 712 return ret; 713 714 bt_force_ant_mode = ret; 715 ret = 0; 716 mutex_lock(&mvm->mutex); 717 if (mvm->bt_force_ant_mode == bt_force_ant_mode) 718 goto out; 719 720 mvm->bt_force_ant_mode = bt_force_ant_mode; 721 IWL_DEBUG_COEX(mvm, "Force mode: %s\n", 722 modes_str[mvm->bt_force_ant_mode]); 723 724 if (iwl_mvm_firmware_running(mvm)) 725 ret = iwl_mvm_send_bt_init_conf(mvm); 726 else 727 ret = 0; 728 729 out: 730 mutex_unlock(&mvm->mutex); 731 return ret ?: count; 732 } 733 734 static ssize_t iwl_dbgfs_fw_ver_read(struct file *file, char __user *user_buf, 735 size_t count, loff_t *ppos) 736 { 737 struct iwl_mvm *mvm = file->private_data; 738 char *buff, *pos, *endpos; 739 static const size_t bufsz = 1024; 740 int ret; 741 742 buff = kmalloc(bufsz, GFP_KERNEL); 743 if (!buff) 744 return -ENOMEM; 745 746 pos = buff; 747 endpos = pos + bufsz; 748 749 pos += scnprintf(pos, endpos - pos, "FW prefix: %s\n", 750 mvm->trans->cfg->fw_name_pre); 751 pos += scnprintf(pos, endpos - pos, "FW: %s\n", 752 mvm->fwrt.fw->human_readable); 753 pos += scnprintf(pos, endpos - pos, "Device: %s\n", 754 mvm->fwrt.trans->cfg->name); 755 pos += scnprintf(pos, endpos - pos, "Bus: %s\n", 756 mvm->fwrt.dev->bus->name); 757 758 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff); 759 kfree(buff); 760 761 return ret; 762 } 763 764 #define PRINT_STATS_LE32(_struct, _memb) \ 765 pos += scnprintf(buf + pos, bufsz - pos, \ 766 fmt_table, #_memb, \ 767 le32_to_cpu(_struct->_memb)) 768 769 static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file, 770 char __user *user_buf, size_t count, 771 loff_t *ppos) 772 { 773 struct iwl_mvm *mvm = file->private_data; 774 static const char *fmt_table = "\t%-30s %10u\n"; 775 static const char *fmt_header = "%-32s\n"; 776 int pos = 0; 777 char *buf; 778 int ret; 779 size_t bufsz; 780 781 if (iwl_mvm_has_new_rx_stats_api(mvm)) 782 bufsz = ((sizeof(struct mvm_statistics_rx) / 783 sizeof(__le32)) * 43) + (4 * 33) + 1; 784 else 785 /* 43 = size of each data line; 33 = size of each header */ 786 bufsz = ((sizeof(struct mvm_statistics_rx_v3) / 787 sizeof(__le32)) * 43) + (4 * 33) + 1; 788 789 buf = kzalloc(bufsz, GFP_KERNEL); 790 if (!buf) 791 return -ENOMEM; 792 793 mutex_lock(&mvm->mutex); 794 795 if (iwl_mvm_firmware_running(mvm)) 796 iwl_mvm_request_statistics(mvm, false); 797 798 pos += scnprintf(buf + pos, bufsz - pos, fmt_header, 799 "Statistics_Rx - OFDM"); 800 if (!iwl_mvm_has_new_rx_stats_api(mvm)) { 801 struct mvm_statistics_rx_phy_v2 *ofdm = &mvm->rx_stats_v3.ofdm; 802 803 PRINT_STATS_LE32(ofdm, ina_cnt); 804 PRINT_STATS_LE32(ofdm, fina_cnt); 805 PRINT_STATS_LE32(ofdm, plcp_err); 806 PRINT_STATS_LE32(ofdm, crc32_err); 807 PRINT_STATS_LE32(ofdm, overrun_err); 808 PRINT_STATS_LE32(ofdm, early_overrun_err); 809 PRINT_STATS_LE32(ofdm, crc32_good); 810 PRINT_STATS_LE32(ofdm, false_alarm_cnt); 811 PRINT_STATS_LE32(ofdm, fina_sync_err_cnt); 812 PRINT_STATS_LE32(ofdm, sfd_timeout); 813 PRINT_STATS_LE32(ofdm, fina_timeout); 814 PRINT_STATS_LE32(ofdm, unresponded_rts); 815 PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun); 816 PRINT_STATS_LE32(ofdm, sent_ack_cnt); 817 PRINT_STATS_LE32(ofdm, sent_cts_cnt); 818 PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt); 819 PRINT_STATS_LE32(ofdm, dsp_self_kill); 820 PRINT_STATS_LE32(ofdm, mh_format_err); 821 PRINT_STATS_LE32(ofdm, re_acq_main_rssi_sum); 822 PRINT_STATS_LE32(ofdm, reserved); 823 } else { 824 struct mvm_statistics_rx_phy *ofdm = &mvm->rx_stats.ofdm; 825 826 PRINT_STATS_LE32(ofdm, unresponded_rts); 827 PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun); 828 PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt); 829 PRINT_STATS_LE32(ofdm, dsp_self_kill); 830 PRINT_STATS_LE32(ofdm, reserved); 831 } 832 833 pos += scnprintf(buf + pos, bufsz - pos, fmt_header, 834 "Statistics_Rx - CCK"); 835 if (!iwl_mvm_has_new_rx_stats_api(mvm)) { 836 struct mvm_statistics_rx_phy_v2 *cck = &mvm->rx_stats_v3.cck; 837 838 PRINT_STATS_LE32(cck, ina_cnt); 839 PRINT_STATS_LE32(cck, fina_cnt); 840 PRINT_STATS_LE32(cck, plcp_err); 841 PRINT_STATS_LE32(cck, crc32_err); 842 PRINT_STATS_LE32(cck, overrun_err); 843 PRINT_STATS_LE32(cck, early_overrun_err); 844 PRINT_STATS_LE32(cck, crc32_good); 845 PRINT_STATS_LE32(cck, false_alarm_cnt); 846 PRINT_STATS_LE32(cck, fina_sync_err_cnt); 847 PRINT_STATS_LE32(cck, sfd_timeout); 848 PRINT_STATS_LE32(cck, fina_timeout); 849 PRINT_STATS_LE32(cck, unresponded_rts); 850 PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun); 851 PRINT_STATS_LE32(cck, sent_ack_cnt); 852 PRINT_STATS_LE32(cck, sent_cts_cnt); 853 PRINT_STATS_LE32(cck, sent_ba_rsp_cnt); 854 PRINT_STATS_LE32(cck, dsp_self_kill); 855 PRINT_STATS_LE32(cck, mh_format_err); 856 PRINT_STATS_LE32(cck, re_acq_main_rssi_sum); 857 PRINT_STATS_LE32(cck, reserved); 858 } else { 859 struct mvm_statistics_rx_phy *cck = &mvm->rx_stats.cck; 860 861 PRINT_STATS_LE32(cck, unresponded_rts); 862 PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun); 863 PRINT_STATS_LE32(cck, sent_ba_rsp_cnt); 864 PRINT_STATS_LE32(cck, dsp_self_kill); 865 PRINT_STATS_LE32(cck, reserved); 866 } 867 868 pos += scnprintf(buf + pos, bufsz - pos, fmt_header, 869 "Statistics_Rx - GENERAL"); 870 if (!iwl_mvm_has_new_rx_stats_api(mvm)) { 871 struct mvm_statistics_rx_non_phy_v3 *general = 872 &mvm->rx_stats_v3.general; 873 874 PRINT_STATS_LE32(general, bogus_cts); 875 PRINT_STATS_LE32(general, bogus_ack); 876 PRINT_STATS_LE32(general, non_bssid_frames); 877 PRINT_STATS_LE32(general, filtered_frames); 878 PRINT_STATS_LE32(general, non_channel_beacons); 879 PRINT_STATS_LE32(general, channel_beacons); 880 PRINT_STATS_LE32(general, num_missed_bcon); 881 PRINT_STATS_LE32(general, adc_rx_saturation_time); 882 PRINT_STATS_LE32(general, ina_detection_search_time); 883 PRINT_STATS_LE32(general, beacon_silence_rssi_a); 884 PRINT_STATS_LE32(general, beacon_silence_rssi_b); 885 PRINT_STATS_LE32(general, beacon_silence_rssi_c); 886 PRINT_STATS_LE32(general, interference_data_flag); 887 PRINT_STATS_LE32(general, channel_load); 888 PRINT_STATS_LE32(general, dsp_false_alarms); 889 PRINT_STATS_LE32(general, beacon_rssi_a); 890 PRINT_STATS_LE32(general, beacon_rssi_b); 891 PRINT_STATS_LE32(general, beacon_rssi_c); 892 PRINT_STATS_LE32(general, beacon_energy_a); 893 PRINT_STATS_LE32(general, beacon_energy_b); 894 PRINT_STATS_LE32(general, beacon_energy_c); 895 PRINT_STATS_LE32(general, num_bt_kills); 896 PRINT_STATS_LE32(general, mac_id); 897 PRINT_STATS_LE32(general, directed_data_mpdu); 898 } else { 899 struct mvm_statistics_rx_non_phy *general = 900 &mvm->rx_stats.general; 901 902 PRINT_STATS_LE32(general, bogus_cts); 903 PRINT_STATS_LE32(general, bogus_ack); 904 PRINT_STATS_LE32(general, non_channel_beacons); 905 PRINT_STATS_LE32(general, channel_beacons); 906 PRINT_STATS_LE32(general, num_missed_bcon); 907 PRINT_STATS_LE32(general, adc_rx_saturation_time); 908 PRINT_STATS_LE32(general, ina_detection_search_time); 909 PRINT_STATS_LE32(general, beacon_silence_rssi_a); 910 PRINT_STATS_LE32(general, beacon_silence_rssi_b); 911 PRINT_STATS_LE32(general, beacon_silence_rssi_c); 912 PRINT_STATS_LE32(general, interference_data_flag); 913 PRINT_STATS_LE32(general, channel_load); 914 PRINT_STATS_LE32(general, beacon_rssi_a); 915 PRINT_STATS_LE32(general, beacon_rssi_b); 916 PRINT_STATS_LE32(general, beacon_rssi_c); 917 PRINT_STATS_LE32(general, beacon_energy_a); 918 PRINT_STATS_LE32(general, beacon_energy_b); 919 PRINT_STATS_LE32(general, beacon_energy_c); 920 PRINT_STATS_LE32(general, num_bt_kills); 921 PRINT_STATS_LE32(general, mac_id); 922 } 923 924 pos += scnprintf(buf + pos, bufsz - pos, fmt_header, 925 "Statistics_Rx - HT"); 926 if (!iwl_mvm_has_new_rx_stats_api(mvm)) { 927 struct mvm_statistics_rx_ht_phy_v1 *ht = 928 &mvm->rx_stats_v3.ofdm_ht; 929 930 PRINT_STATS_LE32(ht, plcp_err); 931 PRINT_STATS_LE32(ht, overrun_err); 932 PRINT_STATS_LE32(ht, early_overrun_err); 933 PRINT_STATS_LE32(ht, crc32_good); 934 PRINT_STATS_LE32(ht, crc32_err); 935 PRINT_STATS_LE32(ht, mh_format_err); 936 PRINT_STATS_LE32(ht, agg_crc32_good); 937 PRINT_STATS_LE32(ht, agg_mpdu_cnt); 938 PRINT_STATS_LE32(ht, agg_cnt); 939 PRINT_STATS_LE32(ht, unsupport_mcs); 940 } else { 941 struct mvm_statistics_rx_ht_phy *ht = 942 &mvm->rx_stats.ofdm_ht; 943 944 PRINT_STATS_LE32(ht, mh_format_err); 945 PRINT_STATS_LE32(ht, agg_mpdu_cnt); 946 PRINT_STATS_LE32(ht, agg_cnt); 947 PRINT_STATS_LE32(ht, unsupport_mcs); 948 } 949 950 mutex_unlock(&mvm->mutex); 951 952 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 953 kfree(buf); 954 955 return ret; 956 } 957 #undef PRINT_STAT_LE32 958 959 static ssize_t iwl_dbgfs_frame_stats_read(struct iwl_mvm *mvm, 960 char __user *user_buf, size_t count, 961 loff_t *ppos, 962 struct iwl_mvm_frame_stats *stats) 963 { 964 char *buff, *pos, *endpos; 965 int idx, i; 966 int ret; 967 static const size_t bufsz = 1024; 968 969 buff = kmalloc(bufsz, GFP_KERNEL); 970 if (!buff) 971 return -ENOMEM; 972 973 spin_lock_bh(&mvm->drv_stats_lock); 974 975 pos = buff; 976 endpos = pos + bufsz; 977 978 pos += scnprintf(pos, endpos - pos, 979 "Legacy/HT/VHT\t:\t%d/%d/%d\n", 980 stats->legacy_frames, 981 stats->ht_frames, 982 stats->vht_frames); 983 pos += scnprintf(pos, endpos - pos, "20/40/80\t:\t%d/%d/%d\n", 984 stats->bw_20_frames, 985 stats->bw_40_frames, 986 stats->bw_80_frames); 987 pos += scnprintf(pos, endpos - pos, "NGI/SGI\t\t:\t%d/%d\n", 988 stats->ngi_frames, 989 stats->sgi_frames); 990 pos += scnprintf(pos, endpos - pos, "SISO/MIMO2\t:\t%d/%d\n", 991 stats->siso_frames, 992 stats->mimo2_frames); 993 pos += scnprintf(pos, endpos - pos, "FAIL/SCSS\t:\t%d/%d\n", 994 stats->fail_frames, 995 stats->success_frames); 996 pos += scnprintf(pos, endpos - pos, "MPDUs agg\t:\t%d\n", 997 stats->agg_frames); 998 pos += scnprintf(pos, endpos - pos, "A-MPDUs\t\t:\t%d\n", 999 stats->ampdu_count); 1000 pos += scnprintf(pos, endpos - pos, "Avg MPDUs/A-MPDU:\t%d\n", 1001 stats->ampdu_count > 0 ? 1002 (stats->agg_frames / stats->ampdu_count) : 0); 1003 1004 pos += scnprintf(pos, endpos - pos, "Last Rates\n"); 1005 1006 idx = stats->last_frame_idx - 1; 1007 for (i = 0; i < ARRAY_SIZE(stats->last_rates); i++) { 1008 idx = (idx + 1) % ARRAY_SIZE(stats->last_rates); 1009 if (stats->last_rates[idx] == 0) 1010 continue; 1011 pos += scnprintf(pos, endpos - pos, "Rate[%d]: ", 1012 (int)(ARRAY_SIZE(stats->last_rates) - i)); 1013 pos += rs_pretty_print_rate(pos, endpos - pos, 1014 stats->last_rates[idx]); 1015 } 1016 spin_unlock_bh(&mvm->drv_stats_lock); 1017 1018 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff); 1019 kfree(buff); 1020 1021 return ret; 1022 } 1023 1024 static ssize_t iwl_dbgfs_drv_rx_stats_read(struct file *file, 1025 char __user *user_buf, size_t count, 1026 loff_t *ppos) 1027 { 1028 struct iwl_mvm *mvm = file->private_data; 1029 1030 return iwl_dbgfs_frame_stats_read(mvm, user_buf, count, ppos, 1031 &mvm->drv_rx_stats); 1032 } 1033 1034 static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf, 1035 size_t count, loff_t *ppos) 1036 { 1037 int __maybe_unused ret; 1038 1039 if (!iwl_mvm_firmware_running(mvm)) 1040 return -EIO; 1041 1042 mutex_lock(&mvm->mutex); 1043 1044 /* allow one more restart that we're provoking here */ 1045 if (mvm->fw_restart >= 0) 1046 mvm->fw_restart++; 1047 1048 /* take the return value to make compiler happy - it will fail anyway */ 1049 ret = iwl_mvm_send_cmd_pdu(mvm, REPLY_ERROR, 0, 0, NULL); 1050 1051 mutex_unlock(&mvm->mutex); 1052 1053 return count; 1054 } 1055 1056 static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf, 1057 size_t count, loff_t *ppos) 1058 { 1059 int ret; 1060 1061 if (!iwl_mvm_firmware_running(mvm)) 1062 return -EIO; 1063 1064 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_NMI); 1065 if (ret) 1066 return ret; 1067 1068 iwl_force_nmi(mvm->trans); 1069 1070 iwl_mvm_unref(mvm, IWL_MVM_REF_NMI); 1071 1072 return count; 1073 } 1074 1075 static ssize_t 1076 iwl_dbgfs_scan_ant_rxchain_read(struct file *file, 1077 char __user *user_buf, 1078 size_t count, loff_t *ppos) 1079 { 1080 struct iwl_mvm *mvm = file->private_data; 1081 int pos = 0; 1082 char buf[32]; 1083 const size_t bufsz = sizeof(buf); 1084 1085 /* print which antennas were set for the scan command by the user */ 1086 pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: "); 1087 if (mvm->scan_rx_ant & ANT_A) 1088 pos += scnprintf(buf + pos, bufsz - pos, "A"); 1089 if (mvm->scan_rx_ant & ANT_B) 1090 pos += scnprintf(buf + pos, bufsz - pos, "B"); 1091 if (mvm->scan_rx_ant & ANT_C) 1092 pos += scnprintf(buf + pos, bufsz - pos, "C"); 1093 pos += scnprintf(buf + pos, bufsz - pos, " (%hhx)\n", mvm->scan_rx_ant); 1094 1095 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1096 } 1097 1098 static ssize_t 1099 iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf, 1100 size_t count, loff_t *ppos) 1101 { 1102 u8 scan_rx_ant; 1103 1104 if (!iwl_mvm_firmware_running(mvm)) 1105 return -EIO; 1106 1107 if (sscanf(buf, "%hhx", &scan_rx_ant) != 1) 1108 return -EINVAL; 1109 if (scan_rx_ant > ANT_ABC) 1110 return -EINVAL; 1111 if (scan_rx_ant & ~(iwl_mvm_get_valid_rx_ant(mvm))) 1112 return -EINVAL; 1113 1114 if (mvm->scan_rx_ant != scan_rx_ant) { 1115 mvm->scan_rx_ant = scan_rx_ant; 1116 if (fw_has_capa(&mvm->fw->ucode_capa, 1117 IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 1118 iwl_mvm_config_scan(mvm); 1119 } 1120 1121 return count; 1122 } 1123 1124 static ssize_t iwl_dbgfs_indirection_tbl_write(struct iwl_mvm *mvm, 1125 char *buf, size_t count, 1126 loff_t *ppos) 1127 { 1128 struct iwl_rss_config_cmd cmd = { 1129 .flags = cpu_to_le32(IWL_RSS_ENABLE), 1130 .hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP | 1131 IWL_RSS_HASH_TYPE_IPV4_UDP | 1132 IWL_RSS_HASH_TYPE_IPV4_PAYLOAD | 1133 IWL_RSS_HASH_TYPE_IPV6_TCP | 1134 IWL_RSS_HASH_TYPE_IPV6_UDP | 1135 IWL_RSS_HASH_TYPE_IPV6_PAYLOAD, 1136 }; 1137 int ret, i, num_repeats, nbytes = count / 2; 1138 1139 ret = hex2bin(cmd.indirection_table, buf, nbytes); 1140 if (ret) 1141 return ret; 1142 1143 /* 1144 * The input is the redirection table, partial or full. 1145 * Repeat the pattern if needed. 1146 * For example, input of 01020F will be repeated 42 times, 1147 * indirecting RSS hash results to queues 1, 2, 15 (skipping 1148 * queues 3 - 14). 1149 */ 1150 num_repeats = ARRAY_SIZE(cmd.indirection_table) / nbytes; 1151 for (i = 1; i < num_repeats; i++) 1152 memcpy(&cmd.indirection_table[i * nbytes], 1153 cmd.indirection_table, nbytes); 1154 /* handle cut in the middle pattern for the last places */ 1155 memcpy(&cmd.indirection_table[i * nbytes], cmd.indirection_table, 1156 ARRAY_SIZE(cmd.indirection_table) % nbytes); 1157 1158 netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key)); 1159 1160 mutex_lock(&mvm->mutex); 1161 if (iwl_mvm_firmware_running(mvm)) 1162 ret = iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, 1163 sizeof(cmd), &cmd); 1164 else 1165 ret = 0; 1166 mutex_unlock(&mvm->mutex); 1167 1168 return ret ?: count; 1169 } 1170 1171 static ssize_t iwl_dbgfs_inject_packet_write(struct iwl_mvm *mvm, 1172 char *buf, size_t count, 1173 loff_t *ppos) 1174 { 1175 struct iwl_rx_cmd_buffer rxb = { 1176 ._rx_page_order = 0, 1177 .truesize = 0, /* not used */ 1178 ._offset = 0, 1179 }; 1180 struct iwl_rx_packet *pkt; 1181 struct iwl_rx_mpdu_desc *desc; 1182 int bin_len = count / 2; 1183 int ret = -EINVAL; 1184 size_t mpdu_cmd_hdr_size = 1185 (mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22560) ? 1186 sizeof(struct iwl_rx_mpdu_desc) : 1187 IWL_RX_DESC_SIZE_V1; 1188 1189 if (!iwl_mvm_firmware_running(mvm)) 1190 return -EIO; 1191 1192 /* supporting only 9000 descriptor */ 1193 if (!mvm->trans->cfg->mq_rx_supported) 1194 return -ENOTSUPP; 1195 1196 rxb._page = alloc_pages(GFP_ATOMIC, 0); 1197 if (!rxb._page) 1198 return -ENOMEM; 1199 pkt = rxb_addr(&rxb); 1200 1201 ret = hex2bin(page_address(rxb._page), buf, bin_len); 1202 if (ret) 1203 goto out; 1204 1205 /* avoid invalid memory access */ 1206 if (bin_len < sizeof(*pkt) + mpdu_cmd_hdr_size) 1207 goto out; 1208 1209 /* check this is RX packet */ 1210 if (WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd) != 1211 WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)) 1212 goto out; 1213 1214 /* check the length in metadata matches actual received length */ 1215 desc = (void *)pkt->data; 1216 if (le16_to_cpu(desc->mpdu_len) != 1217 (bin_len - mpdu_cmd_hdr_size - sizeof(*pkt))) 1218 goto out; 1219 1220 local_bh_disable(); 1221 iwl_mvm_rx_mpdu_mq(mvm, NULL, &rxb, 0); 1222 local_bh_enable(); 1223 ret = 0; 1224 1225 out: 1226 iwl_free_rxb(&rxb); 1227 1228 return ret ?: count; 1229 } 1230 1231 static int _iwl_dbgfs_inject_beacon_ie(struct iwl_mvm *mvm, char *bin, int len) 1232 { 1233 struct ieee80211_vif *vif; 1234 struct iwl_mvm_vif *mvmvif; 1235 struct sk_buff *beacon; 1236 struct ieee80211_tx_info *info; 1237 struct iwl_mac_beacon_cmd beacon_cmd = {}; 1238 u8 rate; 1239 u16 flags; 1240 int i; 1241 1242 len /= 2; 1243 1244 /* Element len should be represented by u8 */ 1245 if (len >= U8_MAX) 1246 return -EINVAL; 1247 1248 if (!iwl_mvm_firmware_running(mvm)) 1249 return -EIO; 1250 1251 if (!iwl_mvm_has_new_tx_api(mvm) && 1252 !fw_has_api(&mvm->fw->ucode_capa, 1253 IWL_UCODE_TLV_API_NEW_BEACON_TEMPLATE)) 1254 return -EINVAL; 1255 1256 rcu_read_lock(); 1257 1258 for (i = 0; i < NUM_MAC_INDEX_DRIVER; i++) { 1259 vif = iwl_mvm_rcu_dereference_vif_id(mvm, i, true); 1260 if (!vif) 1261 continue; 1262 1263 if (vif->type == NL80211_IFTYPE_AP) 1264 break; 1265 } 1266 1267 if (i == NUM_MAC_INDEX_DRIVER || !vif) 1268 goto out_err; 1269 1270 mvm->hw->extra_beacon_tailroom = len; 1271 1272 beacon = ieee80211_beacon_get_template(mvm->hw, vif, NULL); 1273 if (!beacon) 1274 goto out_err; 1275 1276 if (len && hex2bin(skb_put_zero(beacon, len), bin, len)) { 1277 dev_kfree_skb(beacon); 1278 goto out_err; 1279 } 1280 1281 mvm->beacon_inject_active = true; 1282 1283 mvmvif = iwl_mvm_vif_from_mac80211(vif); 1284 info = IEEE80211_SKB_CB(beacon); 1285 rate = iwl_mvm_mac_ctxt_get_lowest_rate(info, vif); 1286 flags = iwl_mvm_mac80211_idx_to_hwrate(rate); 1287 1288 if (rate == IWL_FIRST_CCK_RATE) 1289 flags |= IWL_MAC_BEACON_CCK; 1290 1291 beacon_cmd.flags = cpu_to_le16(flags); 1292 beacon_cmd.byte_cnt = cpu_to_le16((u16)beacon->len); 1293 beacon_cmd.template_id = cpu_to_le32((u32)mvmvif->id); 1294 1295 iwl_mvm_mac_ctxt_set_tim(mvm, &beacon_cmd.tim_idx, 1296 &beacon_cmd.tim_size, 1297 beacon->data, beacon->len); 1298 1299 mutex_lock(&mvm->mutex); 1300 iwl_mvm_mac_ctxt_send_beacon_cmd(mvm, beacon, &beacon_cmd, 1301 sizeof(beacon_cmd)); 1302 mutex_unlock(&mvm->mutex); 1303 1304 dev_kfree_skb(beacon); 1305 1306 rcu_read_unlock(); 1307 return 0; 1308 1309 out_err: 1310 rcu_read_unlock(); 1311 return -EINVAL; 1312 } 1313 1314 static ssize_t iwl_dbgfs_inject_beacon_ie_write(struct iwl_mvm *mvm, 1315 char *buf, size_t count, 1316 loff_t *ppos) 1317 { 1318 int ret = _iwl_dbgfs_inject_beacon_ie(mvm, buf, count); 1319 1320 mvm->hw->extra_beacon_tailroom = 0; 1321 return ret ?: count; 1322 } 1323 1324 static ssize_t iwl_dbgfs_inject_beacon_ie_restore_write(struct iwl_mvm *mvm, 1325 char *buf, 1326 size_t count, 1327 loff_t *ppos) 1328 { 1329 int ret = _iwl_dbgfs_inject_beacon_ie(mvm, NULL, 0); 1330 1331 mvm->hw->extra_beacon_tailroom = 0; 1332 mvm->beacon_inject_active = false; 1333 return ret ?: count; 1334 } 1335 1336 static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file, 1337 char __user *user_buf, 1338 size_t count, loff_t *ppos) 1339 { 1340 struct iwl_mvm *mvm = file->private_data; 1341 int conf; 1342 char buf[8]; 1343 const size_t bufsz = sizeof(buf); 1344 int pos = 0; 1345 1346 mutex_lock(&mvm->mutex); 1347 conf = mvm->fwrt.dump.conf; 1348 mutex_unlock(&mvm->mutex); 1349 1350 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", conf); 1351 1352 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1353 } 1354 1355 static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm, 1356 char *buf, size_t count, 1357 loff_t *ppos) 1358 { 1359 unsigned int conf_id; 1360 int ret; 1361 1362 if (!iwl_mvm_firmware_running(mvm)) 1363 return -EIO; 1364 1365 ret = kstrtouint(buf, 0, &conf_id); 1366 if (ret) 1367 return ret; 1368 1369 if (WARN_ON(conf_id >= FW_DBG_CONF_MAX)) 1370 return -EINVAL; 1371 1372 mutex_lock(&mvm->mutex); 1373 ret = iwl_fw_start_dbg_conf(&mvm->fwrt, conf_id); 1374 mutex_unlock(&mvm->mutex); 1375 1376 return ret ?: count; 1377 } 1378 1379 static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm, 1380 char *buf, size_t count, 1381 loff_t *ppos) 1382 { 1383 int ret; 1384 1385 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE); 1386 if (ret) 1387 return ret; 1388 if (count == 0) 1389 return 0; 1390 1391 iwl_fw_dbg_collect(&mvm->fwrt, FW_DBG_TRIGGER_USER, buf, 1392 (count - 1), NULL); 1393 1394 iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE); 1395 1396 return count; 1397 } 1398 1399 static ssize_t iwl_dbgfs_max_amsdu_len_write(struct iwl_mvm *mvm, 1400 char *buf, size_t count, 1401 loff_t *ppos) 1402 { 1403 unsigned int max_amsdu_len; 1404 int ret; 1405 1406 ret = kstrtouint(buf, 0, &max_amsdu_len); 1407 if (ret) 1408 return ret; 1409 1410 if (max_amsdu_len > IEEE80211_MAX_MPDU_LEN_VHT_11454) 1411 return -EINVAL; 1412 mvm->max_amsdu_len = max_amsdu_len; 1413 1414 return count; 1415 } 1416 1417 #define ADD_TEXT(...) pos += scnprintf(buf + pos, bufsz - pos, __VA_ARGS__) 1418 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 1419 static ssize_t iwl_dbgfs_bcast_filters_read(struct file *file, 1420 char __user *user_buf, 1421 size_t count, loff_t *ppos) 1422 { 1423 struct iwl_mvm *mvm = file->private_data; 1424 struct iwl_bcast_filter_cmd cmd; 1425 const struct iwl_fw_bcast_filter *filter; 1426 char *buf; 1427 int bufsz = 1024; 1428 int i, j, pos = 0; 1429 ssize_t ret; 1430 1431 buf = kzalloc(bufsz, GFP_KERNEL); 1432 if (!buf) 1433 return -ENOMEM; 1434 1435 mutex_lock(&mvm->mutex); 1436 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) { 1437 ADD_TEXT("None\n"); 1438 mutex_unlock(&mvm->mutex); 1439 goto out; 1440 } 1441 mutex_unlock(&mvm->mutex); 1442 1443 for (i = 0; cmd.filters[i].attrs[0].mask; i++) { 1444 filter = &cmd.filters[i]; 1445 1446 ADD_TEXT("Filter [%d]:\n", i); 1447 ADD_TEXT("\tDiscard=%d\n", filter->discard); 1448 ADD_TEXT("\tFrame Type: %s\n", 1449 filter->frame_type ? "IPv4" : "Generic"); 1450 1451 for (j = 0; j < ARRAY_SIZE(filter->attrs); j++) { 1452 const struct iwl_fw_bcast_filter_attr *attr; 1453 1454 attr = &filter->attrs[j]; 1455 if (!attr->mask) 1456 break; 1457 1458 ADD_TEXT("\tAttr [%d]: offset=%d (from %s), mask=0x%x, value=0x%x reserved=0x%x\n", 1459 j, attr->offset, 1460 attr->offset_type ? "IP End" : 1461 "Payload Start", 1462 be32_to_cpu(attr->mask), 1463 be32_to_cpu(attr->val), 1464 le16_to_cpu(attr->reserved1)); 1465 } 1466 } 1467 out: 1468 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1469 kfree(buf); 1470 return ret; 1471 } 1472 1473 static ssize_t iwl_dbgfs_bcast_filters_write(struct iwl_mvm *mvm, char *buf, 1474 size_t count, loff_t *ppos) 1475 { 1476 int pos, next_pos; 1477 struct iwl_fw_bcast_filter filter = {}; 1478 struct iwl_bcast_filter_cmd cmd; 1479 u32 filter_id, attr_id, mask, value; 1480 int err = 0; 1481 1482 if (sscanf(buf, "%d %hhi %hhi %n", &filter_id, &filter.discard, 1483 &filter.frame_type, &pos) != 3) 1484 return -EINVAL; 1485 1486 if (filter_id >= ARRAY_SIZE(mvm->dbgfs_bcast_filtering.cmd.filters) || 1487 filter.frame_type > BCAST_FILTER_FRAME_TYPE_IPV4) 1488 return -EINVAL; 1489 1490 for (attr_id = 0; attr_id < ARRAY_SIZE(filter.attrs); 1491 attr_id++) { 1492 struct iwl_fw_bcast_filter_attr *attr = 1493 &filter.attrs[attr_id]; 1494 1495 if (pos >= count) 1496 break; 1497 1498 if (sscanf(&buf[pos], "%hhi %hhi %i %i %n", 1499 &attr->offset, &attr->offset_type, 1500 &mask, &value, &next_pos) != 4) 1501 return -EINVAL; 1502 1503 attr->mask = cpu_to_be32(mask); 1504 attr->val = cpu_to_be32(value); 1505 if (mask) 1506 filter.num_attrs++; 1507 1508 pos += next_pos; 1509 } 1510 1511 mutex_lock(&mvm->mutex); 1512 memcpy(&mvm->dbgfs_bcast_filtering.cmd.filters[filter_id], 1513 &filter, sizeof(filter)); 1514 1515 /* send updated bcast filtering configuration */ 1516 if (iwl_mvm_firmware_running(mvm) && 1517 mvm->dbgfs_bcast_filtering.override && 1518 iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) 1519 err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0, 1520 sizeof(cmd), &cmd); 1521 mutex_unlock(&mvm->mutex); 1522 1523 return err ?: count; 1524 } 1525 1526 static ssize_t iwl_dbgfs_bcast_filters_macs_read(struct file *file, 1527 char __user *user_buf, 1528 size_t count, loff_t *ppos) 1529 { 1530 struct iwl_mvm *mvm = file->private_data; 1531 struct iwl_bcast_filter_cmd cmd; 1532 char *buf; 1533 int bufsz = 1024; 1534 int i, pos = 0; 1535 ssize_t ret; 1536 1537 buf = kzalloc(bufsz, GFP_KERNEL); 1538 if (!buf) 1539 return -ENOMEM; 1540 1541 mutex_lock(&mvm->mutex); 1542 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) { 1543 ADD_TEXT("None\n"); 1544 mutex_unlock(&mvm->mutex); 1545 goto out; 1546 } 1547 mutex_unlock(&mvm->mutex); 1548 1549 for (i = 0; i < ARRAY_SIZE(cmd.macs); i++) { 1550 const struct iwl_fw_bcast_mac *mac = &cmd.macs[i]; 1551 1552 ADD_TEXT("Mac [%d]: discard=%d attached_filters=0x%x\n", 1553 i, mac->default_discard, mac->attached_filters); 1554 } 1555 out: 1556 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1557 kfree(buf); 1558 return ret; 1559 } 1560 1561 static ssize_t iwl_dbgfs_bcast_filters_macs_write(struct iwl_mvm *mvm, 1562 char *buf, size_t count, 1563 loff_t *ppos) 1564 { 1565 struct iwl_bcast_filter_cmd cmd; 1566 struct iwl_fw_bcast_mac mac = {}; 1567 u32 mac_id, attached_filters; 1568 int err = 0; 1569 1570 if (!mvm->bcast_filters) 1571 return -ENOENT; 1572 1573 if (sscanf(buf, "%d %hhi %i", &mac_id, &mac.default_discard, 1574 &attached_filters) != 3) 1575 return -EINVAL; 1576 1577 if (mac_id >= ARRAY_SIZE(cmd.macs) || 1578 mac.default_discard > 1 || 1579 attached_filters >= BIT(ARRAY_SIZE(cmd.filters))) 1580 return -EINVAL; 1581 1582 mac.attached_filters = cpu_to_le16(attached_filters); 1583 1584 mutex_lock(&mvm->mutex); 1585 memcpy(&mvm->dbgfs_bcast_filtering.cmd.macs[mac_id], 1586 &mac, sizeof(mac)); 1587 1588 /* send updated bcast filtering configuration */ 1589 if (iwl_mvm_firmware_running(mvm) && 1590 mvm->dbgfs_bcast_filtering.override && 1591 iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) 1592 err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0, 1593 sizeof(cmd), &cmd); 1594 mutex_unlock(&mvm->mutex); 1595 1596 return err ?: count; 1597 } 1598 #endif 1599 1600 #define PRINT_MVM_REF(ref) do { \ 1601 if (mvm->refs[ref]) \ 1602 pos += scnprintf(buf + pos, bufsz - pos, \ 1603 "\t(0x%lx): %d %s\n", \ 1604 BIT(ref), mvm->refs[ref], #ref); \ 1605 } while (0) 1606 1607 static ssize_t iwl_dbgfs_d0i3_refs_read(struct file *file, 1608 char __user *user_buf, 1609 size_t count, loff_t *ppos) 1610 { 1611 struct iwl_mvm *mvm = file->private_data; 1612 int i, pos = 0; 1613 char buf[256]; 1614 const size_t bufsz = sizeof(buf); 1615 u32 refs = 0; 1616 1617 for (i = 0; i < IWL_MVM_REF_COUNT; i++) 1618 if (mvm->refs[i]) 1619 refs |= BIT(i); 1620 1621 pos += scnprintf(buf + pos, bufsz - pos, "taken mvm refs: 0x%x\n", 1622 refs); 1623 1624 PRINT_MVM_REF(IWL_MVM_REF_UCODE_DOWN); 1625 PRINT_MVM_REF(IWL_MVM_REF_SCAN); 1626 PRINT_MVM_REF(IWL_MVM_REF_ROC); 1627 PRINT_MVM_REF(IWL_MVM_REF_ROC_AUX); 1628 PRINT_MVM_REF(IWL_MVM_REF_P2P_CLIENT); 1629 PRINT_MVM_REF(IWL_MVM_REF_AP_IBSS); 1630 PRINT_MVM_REF(IWL_MVM_REF_USER); 1631 PRINT_MVM_REF(IWL_MVM_REF_TX); 1632 PRINT_MVM_REF(IWL_MVM_REF_TX_AGG); 1633 PRINT_MVM_REF(IWL_MVM_REF_ADD_IF); 1634 PRINT_MVM_REF(IWL_MVM_REF_START_AP); 1635 PRINT_MVM_REF(IWL_MVM_REF_BSS_CHANGED); 1636 PRINT_MVM_REF(IWL_MVM_REF_PREPARE_TX); 1637 PRINT_MVM_REF(IWL_MVM_REF_PROTECT_TDLS); 1638 PRINT_MVM_REF(IWL_MVM_REF_CHECK_CTKILL); 1639 PRINT_MVM_REF(IWL_MVM_REF_PRPH_READ); 1640 PRINT_MVM_REF(IWL_MVM_REF_PRPH_WRITE); 1641 PRINT_MVM_REF(IWL_MVM_REF_NMI); 1642 PRINT_MVM_REF(IWL_MVM_REF_TM_CMD); 1643 PRINT_MVM_REF(IWL_MVM_REF_EXIT_WORK); 1644 PRINT_MVM_REF(IWL_MVM_REF_PROTECT_CSA); 1645 PRINT_MVM_REF(IWL_MVM_REF_FW_DBG_COLLECT); 1646 PRINT_MVM_REF(IWL_MVM_REF_INIT_UCODE); 1647 PRINT_MVM_REF(IWL_MVM_REF_SENDING_CMD); 1648 PRINT_MVM_REF(IWL_MVM_REF_RX); 1649 1650 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1651 } 1652 1653 static ssize_t iwl_dbgfs_d0i3_refs_write(struct iwl_mvm *mvm, char *buf, 1654 size_t count, loff_t *ppos) 1655 { 1656 unsigned long value; 1657 int ret; 1658 bool taken; 1659 1660 ret = kstrtoul(buf, 10, &value); 1661 if (ret < 0) 1662 return ret; 1663 1664 mutex_lock(&mvm->mutex); 1665 1666 taken = mvm->refs[IWL_MVM_REF_USER]; 1667 if (value == 1 && !taken) 1668 iwl_mvm_ref(mvm, IWL_MVM_REF_USER); 1669 else if (value == 0 && taken) 1670 iwl_mvm_unref(mvm, IWL_MVM_REF_USER); 1671 else 1672 ret = -EINVAL; 1673 1674 mutex_unlock(&mvm->mutex); 1675 1676 if (ret < 0) 1677 return ret; 1678 return count; 1679 } 1680 1681 #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \ 1682 _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm) 1683 #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \ 1684 _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm) 1685 #define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do { \ 1686 debugfs_create_file(alias, mode, parent, mvm, \ 1687 &iwl_dbgfs_##name##_ops); \ 1688 } while (0) 1689 #define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \ 1690 MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode) 1691 1692 #define MVM_DEBUGFS_WRITE_STA_FILE_OPS(name, bufsz) \ 1693 _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct ieee80211_sta) 1694 #define MVM_DEBUGFS_READ_WRITE_STA_FILE_OPS(name, bufsz) \ 1695 _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct ieee80211_sta) 1696 1697 #define MVM_DEBUGFS_ADD_STA_FILE_ALIAS(alias, name, parent, mode) do { \ 1698 debugfs_create_file(alias, mode, parent, sta, \ 1699 &iwl_dbgfs_##name##_ops); \ 1700 } while (0) 1701 #define MVM_DEBUGFS_ADD_STA_FILE(name, parent, mode) \ 1702 MVM_DEBUGFS_ADD_STA_FILE_ALIAS(#name, name, parent, mode) 1703 1704 static ssize_t 1705 iwl_dbgfs_prph_reg_read(struct file *file, 1706 char __user *user_buf, 1707 size_t count, loff_t *ppos) 1708 { 1709 struct iwl_mvm *mvm = file->private_data; 1710 int pos = 0; 1711 char buf[32]; 1712 const size_t bufsz = sizeof(buf); 1713 int ret; 1714 1715 if (!mvm->dbgfs_prph_reg_addr) 1716 return -EINVAL; 1717 1718 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_READ); 1719 if (ret) 1720 return ret; 1721 1722 pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n", 1723 mvm->dbgfs_prph_reg_addr, 1724 iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr)); 1725 1726 iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_READ); 1727 1728 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1729 } 1730 1731 static ssize_t 1732 iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf, 1733 size_t count, loff_t *ppos) 1734 { 1735 u8 args; 1736 u32 value; 1737 int ret; 1738 1739 args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value); 1740 /* if we only want to set the reg address - nothing more to do */ 1741 if (args == 1) 1742 goto out; 1743 1744 /* otherwise, make sure we have both address and value */ 1745 if (args != 2) 1746 return -EINVAL; 1747 1748 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE); 1749 if (ret) 1750 return ret; 1751 1752 iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value); 1753 1754 iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE); 1755 out: 1756 return count; 1757 } 1758 1759 static ssize_t 1760 iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm *mvm, char *buf, 1761 size_t count, loff_t *ppos) 1762 { 1763 int ret; 1764 1765 if (!iwl_mvm_firmware_running(mvm)) 1766 return -EIO; 1767 1768 mutex_lock(&mvm->mutex); 1769 ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL); 1770 mutex_unlock(&mvm->mutex); 1771 1772 return ret ?: count; 1773 } 1774 1775 struct iwl_mvm_sniffer_apply { 1776 struct iwl_mvm *mvm; 1777 u8 *bssid; 1778 u16 aid; 1779 }; 1780 1781 static bool iwl_mvm_sniffer_apply(struct iwl_notif_wait_data *notif_data, 1782 struct iwl_rx_packet *pkt, void *data) 1783 { 1784 struct iwl_mvm_sniffer_apply *apply = data; 1785 1786 apply->mvm->cur_aid = cpu_to_le16(apply->aid); 1787 memcpy(apply->mvm->cur_bssid, apply->bssid, 1788 sizeof(apply->mvm->cur_bssid)); 1789 1790 return true; 1791 } 1792 1793 static ssize_t 1794 iwl_dbgfs_he_sniffer_params_write(struct iwl_mvm *mvm, char *buf, 1795 size_t count, loff_t *ppos) 1796 { 1797 struct iwl_notification_wait wait; 1798 struct iwl_he_monitor_cmd he_mon_cmd = {}; 1799 struct iwl_mvm_sniffer_apply apply = { 1800 .mvm = mvm, 1801 }; 1802 u16 wait_cmds[] = { 1803 iwl_cmd_id(HE_AIR_SNIFFER_CONFIG_CMD, DATA_PATH_GROUP, 0), 1804 }; 1805 u32 aid; 1806 int ret; 1807 1808 if (!iwl_mvm_firmware_running(mvm)) 1809 return -EIO; 1810 1811 ret = sscanf(buf, "%x %2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx", &aid, 1812 &he_mon_cmd.bssid[0], &he_mon_cmd.bssid[1], 1813 &he_mon_cmd.bssid[2], &he_mon_cmd.bssid[3], 1814 &he_mon_cmd.bssid[4], &he_mon_cmd.bssid[5]); 1815 if (ret != 7) 1816 return -EINVAL; 1817 1818 he_mon_cmd.aid = cpu_to_le16(aid); 1819 1820 apply.aid = aid; 1821 apply.bssid = (void *)he_mon_cmd.bssid; 1822 1823 mutex_lock(&mvm->mutex); 1824 1825 /* 1826 * Use the notification waiter to get our function triggered 1827 * in sequence with other RX. This ensures that frames we get 1828 * on the RX queue _before_ the new configuration is applied 1829 * still have mvm->cur_aid pointing to the old AID, and that 1830 * frames on the RX queue _after_ the firmware processed the 1831 * new configuration (and sent the response, synchronously) 1832 * get mvm->cur_aid correctly set to the new AID. 1833 */ 1834 iwl_init_notification_wait(&mvm->notif_wait, &wait, 1835 wait_cmds, ARRAY_SIZE(wait_cmds), 1836 iwl_mvm_sniffer_apply, &apply); 1837 1838 ret = iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(HE_AIR_SNIFFER_CONFIG_CMD, 1839 DATA_PATH_GROUP, 0), 0, 1840 sizeof(he_mon_cmd), &he_mon_cmd); 1841 1842 /* no need to really wait, we already did anyway */ 1843 iwl_remove_notification(&mvm->notif_wait, &wait); 1844 1845 mutex_unlock(&mvm->mutex); 1846 1847 return ret ?: count; 1848 } 1849 1850 static ssize_t 1851 iwl_dbgfs_he_sniffer_params_read(struct file *file, char __user *user_buf, 1852 size_t count, loff_t *ppos) 1853 { 1854 struct iwl_mvm *mvm = file->private_data; 1855 u8 buf[32]; 1856 int len; 1857 1858 len = scnprintf(buf, sizeof(buf), 1859 "%d %02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx\n", 1860 le16_to_cpu(mvm->cur_aid), mvm->cur_bssid[0], 1861 mvm->cur_bssid[1], mvm->cur_bssid[2], mvm->cur_bssid[3], 1862 mvm->cur_bssid[4], mvm->cur_bssid[5]); 1863 1864 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1865 } 1866 1867 static ssize_t 1868 iwl_dbgfs_uapsd_noagg_bssids_read(struct file *file, char __user *user_buf, 1869 size_t count, loff_t *ppos) 1870 { 1871 struct iwl_mvm *mvm = file->private_data; 1872 u8 buf[IWL_MVM_UAPSD_NOAGG_BSSIDS_NUM * ETH_ALEN * 3 + 1]; 1873 unsigned int pos = 0; 1874 size_t bufsz = sizeof(buf); 1875 int i; 1876 1877 mutex_lock(&mvm->mutex); 1878 1879 for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) 1880 pos += scnprintf(buf + pos, bufsz - pos, "%pM\n", 1881 mvm->uapsd_noagg_bssids[i].addr); 1882 1883 mutex_unlock(&mvm->mutex); 1884 1885 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1886 } 1887 1888 MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64); 1889 1890 /* Device wide debugfs entries */ 1891 MVM_DEBUGFS_READ_FILE_OPS(ctdp_budget); 1892 MVM_DEBUGFS_WRITE_FILE_OPS(stop_ctdp, 8); 1893 MVM_DEBUGFS_WRITE_FILE_OPS(force_ctkill, 8); 1894 MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16); 1895 MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8); 1896 MVM_DEBUGFS_WRITE_FILE_OPS(send_echo_cmd, 8); 1897 MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64); 1898 MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64); 1899 MVM_DEBUGFS_READ_FILE_OPS(nic_temp); 1900 MVM_DEBUGFS_READ_FILE_OPS(stations); 1901 MVM_DEBUGFS_READ_FILE_OPS(rs_data); 1902 MVM_DEBUGFS_READ_FILE_OPS(bt_notif); 1903 MVM_DEBUGFS_READ_FILE_OPS(bt_cmd); 1904 MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64); 1905 MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats); 1906 MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats); 1907 MVM_DEBUGFS_READ_FILE_OPS(fw_ver); 1908 MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10); 1909 MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10); 1910 MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10); 1911 MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10); 1912 MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8); 1913 MVM_DEBUGFS_READ_WRITE_FILE_OPS(d0i3_refs, 8); 1914 MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8); 1915 MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 64); 1916 MVM_DEBUGFS_WRITE_FILE_OPS(max_amsdu_len, 8); 1917 MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl, 1918 (IWL_RSS_INDIRECTION_TABLE_SIZE * 2)); 1919 MVM_DEBUGFS_WRITE_FILE_OPS(inject_packet, 512); 1920 MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie, 512); 1921 MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie_restore, 512); 1922 1923 MVM_DEBUGFS_READ_FILE_OPS(uapsd_noagg_bssids); 1924 1925 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 1926 MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters, 256); 1927 MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters_macs, 256); 1928 #endif 1929 1930 #ifdef CONFIG_ACPI 1931 MVM_DEBUGFS_READ_FILE_OPS(sar_geo_profile); 1932 #endif 1933 1934 MVM_DEBUGFS_READ_WRITE_STA_FILE_OPS(amsdu_len, 16); 1935 1936 MVM_DEBUGFS_READ_WRITE_FILE_OPS(he_sniffer_params, 32); 1937 1938 static ssize_t iwl_dbgfs_mem_read(struct file *file, char __user *user_buf, 1939 size_t count, loff_t *ppos) 1940 { 1941 struct iwl_mvm *mvm = file->private_data; 1942 struct iwl_dbg_mem_access_cmd cmd = {}; 1943 struct iwl_dbg_mem_access_rsp *rsp; 1944 struct iwl_host_cmd hcmd = { 1945 .flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL, 1946 .data = { &cmd, }, 1947 .len = { sizeof(cmd) }, 1948 }; 1949 size_t delta; 1950 ssize_t ret, len; 1951 1952 if (!iwl_mvm_firmware_running(mvm)) 1953 return -EIO; 1954 1955 hcmd.id = iwl_cmd_id(*ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR, 1956 DEBUG_GROUP, 0); 1957 cmd.op = cpu_to_le32(DEBUG_MEM_OP_READ); 1958 1959 /* Take care of alignment of both the position and the length */ 1960 delta = *ppos & 0x3; 1961 cmd.addr = cpu_to_le32(*ppos - delta); 1962 cmd.len = cpu_to_le32(min(ALIGN(count + delta, 4) / 4, 1963 (size_t)DEBUG_MEM_MAX_SIZE_DWORDS)); 1964 1965 mutex_lock(&mvm->mutex); 1966 ret = iwl_mvm_send_cmd(mvm, &hcmd); 1967 mutex_unlock(&mvm->mutex); 1968 1969 if (ret < 0) 1970 return ret; 1971 1972 rsp = (void *)hcmd.resp_pkt->data; 1973 if (le32_to_cpu(rsp->status) != DEBUG_MEM_STATUS_SUCCESS) { 1974 ret = -ENXIO; 1975 goto out; 1976 } 1977 1978 len = min((size_t)le32_to_cpu(rsp->len) << 2, 1979 iwl_rx_packet_payload_len(hcmd.resp_pkt) - sizeof(*rsp)); 1980 len = min(len - delta, count); 1981 if (len < 0) { 1982 ret = -EFAULT; 1983 goto out; 1984 } 1985 1986 ret = len - copy_to_user(user_buf, (void *)rsp->data + delta, len); 1987 *ppos += ret; 1988 1989 out: 1990 iwl_free_resp(&hcmd); 1991 return ret; 1992 } 1993 1994 static ssize_t iwl_dbgfs_mem_write(struct file *file, 1995 const char __user *user_buf, size_t count, 1996 loff_t *ppos) 1997 { 1998 struct iwl_mvm *mvm = file->private_data; 1999 struct iwl_dbg_mem_access_cmd *cmd; 2000 struct iwl_dbg_mem_access_rsp *rsp; 2001 struct iwl_host_cmd hcmd = {}; 2002 size_t cmd_size; 2003 size_t data_size; 2004 u32 op, len; 2005 ssize_t ret; 2006 2007 if (!iwl_mvm_firmware_running(mvm)) 2008 return -EIO; 2009 2010 hcmd.id = iwl_cmd_id(*ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR, 2011 DEBUG_GROUP, 0); 2012 2013 if (*ppos & 0x3 || count < 4) { 2014 op = DEBUG_MEM_OP_WRITE_BYTES; 2015 len = min(count, (size_t)(4 - (*ppos & 0x3))); 2016 data_size = len; 2017 } else { 2018 op = DEBUG_MEM_OP_WRITE; 2019 len = min(count >> 2, (size_t)DEBUG_MEM_MAX_SIZE_DWORDS); 2020 data_size = len << 2; 2021 } 2022 2023 cmd_size = sizeof(*cmd) + ALIGN(data_size, 4); 2024 cmd = kzalloc(cmd_size, GFP_KERNEL); 2025 if (!cmd) 2026 return -ENOMEM; 2027 2028 cmd->op = cpu_to_le32(op); 2029 cmd->len = cpu_to_le32(len); 2030 cmd->addr = cpu_to_le32(*ppos); 2031 if (copy_from_user((void *)cmd->data, user_buf, data_size)) { 2032 kfree(cmd); 2033 return -EFAULT; 2034 } 2035 2036 hcmd.flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL, 2037 hcmd.data[0] = (void *)cmd; 2038 hcmd.len[0] = cmd_size; 2039 2040 mutex_lock(&mvm->mutex); 2041 ret = iwl_mvm_send_cmd(mvm, &hcmd); 2042 mutex_unlock(&mvm->mutex); 2043 2044 kfree(cmd); 2045 2046 if (ret < 0) 2047 return ret; 2048 2049 rsp = (void *)hcmd.resp_pkt->data; 2050 if (rsp->status != DEBUG_MEM_STATUS_SUCCESS) { 2051 ret = -ENXIO; 2052 goto out; 2053 } 2054 2055 ret = data_size; 2056 *ppos += ret; 2057 2058 out: 2059 iwl_free_resp(&hcmd); 2060 return ret; 2061 } 2062 2063 static const struct file_operations iwl_dbgfs_mem_ops = { 2064 .read = iwl_dbgfs_mem_read, 2065 .write = iwl_dbgfs_mem_write, 2066 .open = simple_open, 2067 .llseek = default_llseek, 2068 }; 2069 2070 void iwl_mvm_sta_add_debugfs(struct ieee80211_hw *hw, 2071 struct ieee80211_vif *vif, 2072 struct ieee80211_sta *sta, 2073 struct dentry *dir) 2074 { 2075 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2076 2077 if (iwl_mvm_has_tlc_offload(mvm)) { 2078 MVM_DEBUGFS_ADD_STA_FILE(rs_data, dir, 0400); 2079 } 2080 MVM_DEBUGFS_ADD_STA_FILE(amsdu_len, dir, 0600); 2081 } 2082 2083 void iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) 2084 { 2085 struct dentry *bcast_dir __maybe_unused; 2086 char buf[100]; 2087 2088 spin_lock_init(&mvm->drv_stats_lock); 2089 2090 mvm->debugfs_dir = dbgfs_dir; 2091 2092 MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, 0200); 2093 MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, 0200); 2094 MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, 0600); 2095 MVM_DEBUGFS_ADD_FILE(set_nic_temperature, mvm->debugfs_dir, 0600); 2096 MVM_DEBUGFS_ADD_FILE(nic_temp, dbgfs_dir, 0400); 2097 MVM_DEBUGFS_ADD_FILE(ctdp_budget, dbgfs_dir, 0400); 2098 MVM_DEBUGFS_ADD_FILE(stop_ctdp, dbgfs_dir, 0200); 2099 MVM_DEBUGFS_ADD_FILE(force_ctkill, dbgfs_dir, 0200); 2100 MVM_DEBUGFS_ADD_FILE(stations, dbgfs_dir, 0400); 2101 MVM_DEBUGFS_ADD_FILE(bt_notif, dbgfs_dir, 0400); 2102 MVM_DEBUGFS_ADD_FILE(bt_cmd, dbgfs_dir, 0400); 2103 MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir, 0600); 2104 MVM_DEBUGFS_ADD_FILE(fw_ver, mvm->debugfs_dir, 0400); 2105 MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, 0400); 2106 MVM_DEBUGFS_ADD_FILE(drv_rx_stats, mvm->debugfs_dir, 0400); 2107 MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, 0200); 2108 MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, 0200); 2109 MVM_DEBUGFS_ADD_FILE(bt_tx_prio, mvm->debugfs_dir, 0200); 2110 MVM_DEBUGFS_ADD_FILE(bt_force_ant, mvm->debugfs_dir, 0200); 2111 MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir, 0600); 2112 MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, 0600); 2113 MVM_DEBUGFS_ADD_FILE(d0i3_refs, mvm->debugfs_dir, 0600); 2114 MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, 0600); 2115 MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, 0200); 2116 MVM_DEBUGFS_ADD_FILE(max_amsdu_len, mvm->debugfs_dir, 0200); 2117 MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, 0200); 2118 MVM_DEBUGFS_ADD_FILE(indirection_tbl, mvm->debugfs_dir, 0200); 2119 MVM_DEBUGFS_ADD_FILE(inject_packet, mvm->debugfs_dir, 0200); 2120 MVM_DEBUGFS_ADD_FILE(inject_beacon_ie, mvm->debugfs_dir, 0200); 2121 MVM_DEBUGFS_ADD_FILE(inject_beacon_ie_restore, mvm->debugfs_dir, 0200); 2122 #ifdef CONFIG_ACPI 2123 MVM_DEBUGFS_ADD_FILE(sar_geo_profile, dbgfs_dir, 0400); 2124 #endif 2125 MVM_DEBUGFS_ADD_FILE(he_sniffer_params, mvm->debugfs_dir, 0600); 2126 2127 debugfs_create_bool("enable_scan_iteration_notif", 0600, 2128 mvm->debugfs_dir, &mvm->scan_iter_notif_enabled); 2129 debugfs_create_bool("drop_bcn_ap_mode", 0600, mvm->debugfs_dir, 2130 &mvm->drop_bcn_ap_mode); 2131 2132 MVM_DEBUGFS_ADD_FILE(uapsd_noagg_bssids, mvm->debugfs_dir, S_IRUSR); 2133 2134 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 2135 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING) { 2136 bcast_dir = debugfs_create_dir("bcast_filtering", 2137 mvm->debugfs_dir); 2138 2139 debugfs_create_bool("override", 0600, bcast_dir, 2140 &mvm->dbgfs_bcast_filtering.override); 2141 2142 MVM_DEBUGFS_ADD_FILE_ALIAS("filters", bcast_filters, 2143 bcast_dir, 0600); 2144 MVM_DEBUGFS_ADD_FILE_ALIAS("macs", bcast_filters_macs, 2145 bcast_dir, 0600); 2146 } 2147 #endif 2148 2149 #ifdef CONFIG_PM_SLEEP 2150 MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, 0400); 2151 debugfs_create_bool("d3_wake_sysassert", 0600, mvm->debugfs_dir, 2152 &mvm->d3_wake_sysassert); 2153 debugfs_create_u32("last_netdetect_scans", 0400, mvm->debugfs_dir, 2154 &mvm->last_netdetect_scans); 2155 #endif 2156 2157 debugfs_create_u8("ps_disabled", 0400, mvm->debugfs_dir, 2158 &mvm->ps_disabled); 2159 debugfs_create_blob("nvm_hw", 0400, mvm->debugfs_dir, 2160 &mvm->nvm_hw_blob); 2161 debugfs_create_blob("nvm_sw", 0400, mvm->debugfs_dir, 2162 &mvm->nvm_sw_blob); 2163 debugfs_create_blob("nvm_calib", 0400, mvm->debugfs_dir, 2164 &mvm->nvm_calib_blob); 2165 debugfs_create_blob("nvm_prod", 0400, mvm->debugfs_dir, 2166 &mvm->nvm_prod_blob); 2167 debugfs_create_blob("nvm_phy_sku", 0400, mvm->debugfs_dir, 2168 &mvm->nvm_phy_sku_blob); 2169 debugfs_create_blob("nvm_reg", S_IRUSR, 2170 mvm->debugfs_dir, &mvm->nvm_reg_blob); 2171 2172 debugfs_create_file("mem", 0600, dbgfs_dir, mvm, &iwl_dbgfs_mem_ops); 2173 2174 /* 2175 * Create a symlink with mac80211. It will be removed when mac80211 2176 * exists (before the opmode exists which removes the target.) 2177 */ 2178 snprintf(buf, 100, "../../%pd2", dbgfs_dir->d_parent); 2179 debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, buf); 2180 } 2181