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_disable_power_off_read(struct file *file, 471 char __user *user_buf, 472 size_t count, loff_t *ppos) 473 { 474 struct iwl_mvm *mvm = file->private_data; 475 char buf[64]; 476 int bufsz = sizeof(buf); 477 int pos = 0; 478 479 pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d0=%d\n", 480 mvm->disable_power_off); 481 pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d3=%d\n", 482 mvm->disable_power_off_d3); 483 484 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 485 } 486 487 static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf, 488 size_t count, loff_t *ppos) 489 { 490 int ret, val; 491 492 if (!iwl_mvm_firmware_running(mvm)) 493 return -EIO; 494 495 if (!strncmp("disable_power_off_d0=", buf, 21)) { 496 if (sscanf(buf + 21, "%d", &val) != 1) 497 return -EINVAL; 498 mvm->disable_power_off = val; 499 } else if (!strncmp("disable_power_off_d3=", buf, 21)) { 500 if (sscanf(buf + 21, "%d", &val) != 1) 501 return -EINVAL; 502 mvm->disable_power_off_d3 = val; 503 } else { 504 return -EINVAL; 505 } 506 507 mutex_lock(&mvm->mutex); 508 ret = iwl_mvm_power_update_device(mvm); 509 mutex_unlock(&mvm->mutex); 510 511 return ret ?: count; 512 } 513 514 static 515 int iwl_mvm_coex_dump_mbox(struct iwl_bt_coex_profile_notif *notif, char *buf, 516 int pos, int bufsz) 517 { 518 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n"); 519 520 BT_MBOX_PRINT(0, LE_SLAVE_LAT, false); 521 BT_MBOX_PRINT(0, LE_PROF1, false); 522 BT_MBOX_PRINT(0, LE_PROF2, false); 523 BT_MBOX_PRINT(0, LE_PROF_OTHER, false); 524 BT_MBOX_PRINT(0, CHL_SEQ_N, false); 525 BT_MBOX_PRINT(0, INBAND_S, false); 526 BT_MBOX_PRINT(0, LE_MIN_RSSI, false); 527 BT_MBOX_PRINT(0, LE_SCAN, false); 528 BT_MBOX_PRINT(0, LE_ADV, false); 529 BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false); 530 BT_MBOX_PRINT(0, OPEN_CON_1, true); 531 532 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n"); 533 534 BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false); 535 BT_MBOX_PRINT(1, IP_SR, false); 536 BT_MBOX_PRINT(1, LE_MSTR, false); 537 BT_MBOX_PRINT(1, AGGR_TRFC_LD, false); 538 BT_MBOX_PRINT(1, MSG_TYPE, false); 539 BT_MBOX_PRINT(1, SSN, true); 540 541 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n"); 542 543 BT_MBOX_PRINT(2, SNIFF_ACT, false); 544 BT_MBOX_PRINT(2, PAG, false); 545 BT_MBOX_PRINT(2, INQUIRY, false); 546 BT_MBOX_PRINT(2, CONN, false); 547 BT_MBOX_PRINT(2, SNIFF_INTERVAL, false); 548 BT_MBOX_PRINT(2, DISC, false); 549 BT_MBOX_PRINT(2, SCO_TX_ACT, false); 550 BT_MBOX_PRINT(2, SCO_RX_ACT, false); 551 BT_MBOX_PRINT(2, ESCO_RE_TX, false); 552 BT_MBOX_PRINT(2, SCO_DURATION, true); 553 554 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n"); 555 556 BT_MBOX_PRINT(3, SCO_STATE, false); 557 BT_MBOX_PRINT(3, SNIFF_STATE, false); 558 BT_MBOX_PRINT(3, A2DP_STATE, false); 559 BT_MBOX_PRINT(3, A2DP_SRC, false); 560 BT_MBOX_PRINT(3, ACL_STATE, false); 561 BT_MBOX_PRINT(3, MSTR_STATE, false); 562 BT_MBOX_PRINT(3, OBX_STATE, false); 563 BT_MBOX_PRINT(3, OPEN_CON_2, false); 564 BT_MBOX_PRINT(3, TRAFFIC_LOAD, false); 565 BT_MBOX_PRINT(3, CHL_SEQN_LSB, false); 566 BT_MBOX_PRINT(3, INBAND_P, false); 567 BT_MBOX_PRINT(3, MSG_TYPE_2, false); 568 BT_MBOX_PRINT(3, SSN_2, false); 569 BT_MBOX_PRINT(3, UPDATE_REQUEST, true); 570 571 return pos; 572 } 573 574 static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf, 575 size_t count, loff_t *ppos) 576 { 577 struct iwl_mvm *mvm = file->private_data; 578 struct iwl_bt_coex_profile_notif *notif = &mvm->last_bt_notif; 579 char *buf; 580 int ret, pos = 0, bufsz = sizeof(char) * 1024; 581 582 buf = kmalloc(bufsz, GFP_KERNEL); 583 if (!buf) 584 return -ENOMEM; 585 586 mutex_lock(&mvm->mutex); 587 588 pos += iwl_mvm_coex_dump_mbox(notif, buf, pos, bufsz); 589 590 pos += scnprintf(buf + pos, bufsz - pos, "bt_ci_compliance = %d\n", 591 notif->bt_ci_compliance); 592 pos += scnprintf(buf + pos, bufsz - pos, "primary_ch_lut = %d\n", 593 le32_to_cpu(notif->primary_ch_lut)); 594 pos += scnprintf(buf + pos, bufsz - pos, "secondary_ch_lut = %d\n", 595 le32_to_cpu(notif->secondary_ch_lut)); 596 pos += scnprintf(buf + pos, 597 bufsz - pos, "bt_activity_grading = %d\n", 598 le32_to_cpu(notif->bt_activity_grading)); 599 pos += scnprintf(buf + pos, bufsz - pos, "bt_rrc = %d\n", 600 notif->rrc_status & 0xF); 601 pos += scnprintf(buf + pos, bufsz - pos, "bt_ttc = %d\n", 602 notif->ttc_status & 0xF); 603 604 pos += scnprintf(buf + pos, bufsz - pos, "sync_sco = %d\n", 605 IWL_MVM_BT_COEX_SYNC2SCO); 606 pos += scnprintf(buf + pos, bufsz - pos, "mplut = %d\n", 607 IWL_MVM_BT_COEX_MPLUT); 608 609 mutex_unlock(&mvm->mutex); 610 611 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 612 kfree(buf); 613 614 return ret; 615 } 616 #undef BT_MBOX_PRINT 617 618 static ssize_t iwl_dbgfs_bt_cmd_read(struct file *file, char __user *user_buf, 619 size_t count, loff_t *ppos) 620 { 621 struct iwl_mvm *mvm = file->private_data; 622 struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd; 623 char buf[256]; 624 int bufsz = sizeof(buf); 625 int pos = 0; 626 627 mutex_lock(&mvm->mutex); 628 629 pos += scnprintf(buf + pos, bufsz - pos, "Channel inhibition CMD\n"); 630 pos += scnprintf(buf + pos, bufsz - pos, 631 "\tPrimary Channel Bitmap 0x%016llx\n", 632 le64_to_cpu(cmd->bt_primary_ci)); 633 pos += scnprintf(buf + pos, bufsz - pos, 634 "\tSecondary Channel Bitmap 0x%016llx\n", 635 le64_to_cpu(cmd->bt_secondary_ci)); 636 637 mutex_unlock(&mvm->mutex); 638 639 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 640 } 641 642 static ssize_t 643 iwl_dbgfs_bt_tx_prio_write(struct iwl_mvm *mvm, char *buf, 644 size_t count, loff_t *ppos) 645 { 646 u32 bt_tx_prio; 647 648 if (sscanf(buf, "%u", &bt_tx_prio) != 1) 649 return -EINVAL; 650 if (bt_tx_prio > 4) 651 return -EINVAL; 652 653 mvm->bt_tx_prio = bt_tx_prio; 654 655 return count; 656 } 657 658 static ssize_t 659 iwl_dbgfs_bt_force_ant_write(struct iwl_mvm *mvm, char *buf, 660 size_t count, loff_t *ppos) 661 { 662 static const char * const modes_str[BT_FORCE_ANT_MAX] = { 663 [BT_FORCE_ANT_DIS] = "dis", 664 [BT_FORCE_ANT_AUTO] = "auto", 665 [BT_FORCE_ANT_BT] = "bt", 666 [BT_FORCE_ANT_WIFI] = "wifi", 667 }; 668 int ret, bt_force_ant_mode; 669 670 ret = match_string(modes_str, ARRAY_SIZE(modes_str), buf); 671 if (ret < 0) 672 return ret; 673 674 bt_force_ant_mode = ret; 675 ret = 0; 676 mutex_lock(&mvm->mutex); 677 if (mvm->bt_force_ant_mode == bt_force_ant_mode) 678 goto out; 679 680 mvm->bt_force_ant_mode = bt_force_ant_mode; 681 IWL_DEBUG_COEX(mvm, "Force mode: %s\n", 682 modes_str[mvm->bt_force_ant_mode]); 683 684 if (iwl_mvm_firmware_running(mvm)) 685 ret = iwl_mvm_send_bt_init_conf(mvm); 686 else 687 ret = 0; 688 689 out: 690 mutex_unlock(&mvm->mutex); 691 return ret ?: count; 692 } 693 694 static ssize_t iwl_dbgfs_fw_ver_read(struct file *file, char __user *user_buf, 695 size_t count, loff_t *ppos) 696 { 697 struct iwl_mvm *mvm = file->private_data; 698 char *buff, *pos, *endpos; 699 static const size_t bufsz = 1024; 700 int ret; 701 702 buff = kmalloc(bufsz, GFP_KERNEL); 703 if (!buff) 704 return -ENOMEM; 705 706 pos = buff; 707 endpos = pos + bufsz; 708 709 pos += scnprintf(pos, endpos - pos, "FW prefix: %s\n", 710 mvm->trans->cfg->fw_name_pre); 711 pos += scnprintf(pos, endpos - pos, "FW: %s\n", 712 mvm->fwrt.fw->human_readable); 713 pos += scnprintf(pos, endpos - pos, "Device: %s\n", 714 mvm->fwrt.trans->cfg->name); 715 pos += scnprintf(pos, endpos - pos, "Bus: %s\n", 716 mvm->fwrt.dev->bus->name); 717 718 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff); 719 kfree(buff); 720 721 return ret; 722 } 723 724 #define PRINT_STATS_LE32(_struct, _memb) \ 725 pos += scnprintf(buf + pos, bufsz - pos, \ 726 fmt_table, #_memb, \ 727 le32_to_cpu(_struct->_memb)) 728 729 static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file, 730 char __user *user_buf, size_t count, 731 loff_t *ppos) 732 { 733 struct iwl_mvm *mvm = file->private_data; 734 static const char *fmt_table = "\t%-30s %10u\n"; 735 static const char *fmt_header = "%-32s\n"; 736 int pos = 0; 737 char *buf; 738 int ret; 739 size_t bufsz; 740 741 if (iwl_mvm_has_new_rx_stats_api(mvm)) 742 bufsz = ((sizeof(struct mvm_statistics_rx) / 743 sizeof(__le32)) * 43) + (4 * 33) + 1; 744 else 745 /* 43 = size of each data line; 33 = size of each header */ 746 bufsz = ((sizeof(struct mvm_statistics_rx_v3) / 747 sizeof(__le32)) * 43) + (4 * 33) + 1; 748 749 buf = kzalloc(bufsz, GFP_KERNEL); 750 if (!buf) 751 return -ENOMEM; 752 753 mutex_lock(&mvm->mutex); 754 755 if (iwl_mvm_firmware_running(mvm)) 756 iwl_mvm_request_statistics(mvm, false); 757 758 pos += scnprintf(buf + pos, bufsz - pos, fmt_header, 759 "Statistics_Rx - OFDM"); 760 if (!iwl_mvm_has_new_rx_stats_api(mvm)) { 761 struct mvm_statistics_rx_phy_v2 *ofdm = &mvm->rx_stats_v3.ofdm; 762 763 PRINT_STATS_LE32(ofdm, ina_cnt); 764 PRINT_STATS_LE32(ofdm, fina_cnt); 765 PRINT_STATS_LE32(ofdm, plcp_err); 766 PRINT_STATS_LE32(ofdm, crc32_err); 767 PRINT_STATS_LE32(ofdm, overrun_err); 768 PRINT_STATS_LE32(ofdm, early_overrun_err); 769 PRINT_STATS_LE32(ofdm, crc32_good); 770 PRINT_STATS_LE32(ofdm, false_alarm_cnt); 771 PRINT_STATS_LE32(ofdm, fina_sync_err_cnt); 772 PRINT_STATS_LE32(ofdm, sfd_timeout); 773 PRINT_STATS_LE32(ofdm, fina_timeout); 774 PRINT_STATS_LE32(ofdm, unresponded_rts); 775 PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun); 776 PRINT_STATS_LE32(ofdm, sent_ack_cnt); 777 PRINT_STATS_LE32(ofdm, sent_cts_cnt); 778 PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt); 779 PRINT_STATS_LE32(ofdm, dsp_self_kill); 780 PRINT_STATS_LE32(ofdm, mh_format_err); 781 PRINT_STATS_LE32(ofdm, re_acq_main_rssi_sum); 782 PRINT_STATS_LE32(ofdm, reserved); 783 } else { 784 struct mvm_statistics_rx_phy *ofdm = &mvm->rx_stats.ofdm; 785 786 PRINT_STATS_LE32(ofdm, unresponded_rts); 787 PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun); 788 PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt); 789 PRINT_STATS_LE32(ofdm, dsp_self_kill); 790 PRINT_STATS_LE32(ofdm, reserved); 791 } 792 793 pos += scnprintf(buf + pos, bufsz - pos, fmt_header, 794 "Statistics_Rx - CCK"); 795 if (!iwl_mvm_has_new_rx_stats_api(mvm)) { 796 struct mvm_statistics_rx_phy_v2 *cck = &mvm->rx_stats_v3.cck; 797 798 PRINT_STATS_LE32(cck, ina_cnt); 799 PRINT_STATS_LE32(cck, fina_cnt); 800 PRINT_STATS_LE32(cck, plcp_err); 801 PRINT_STATS_LE32(cck, crc32_err); 802 PRINT_STATS_LE32(cck, overrun_err); 803 PRINT_STATS_LE32(cck, early_overrun_err); 804 PRINT_STATS_LE32(cck, crc32_good); 805 PRINT_STATS_LE32(cck, false_alarm_cnt); 806 PRINT_STATS_LE32(cck, fina_sync_err_cnt); 807 PRINT_STATS_LE32(cck, sfd_timeout); 808 PRINT_STATS_LE32(cck, fina_timeout); 809 PRINT_STATS_LE32(cck, unresponded_rts); 810 PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun); 811 PRINT_STATS_LE32(cck, sent_ack_cnt); 812 PRINT_STATS_LE32(cck, sent_cts_cnt); 813 PRINT_STATS_LE32(cck, sent_ba_rsp_cnt); 814 PRINT_STATS_LE32(cck, dsp_self_kill); 815 PRINT_STATS_LE32(cck, mh_format_err); 816 PRINT_STATS_LE32(cck, re_acq_main_rssi_sum); 817 PRINT_STATS_LE32(cck, reserved); 818 } else { 819 struct mvm_statistics_rx_phy *cck = &mvm->rx_stats.cck; 820 821 PRINT_STATS_LE32(cck, unresponded_rts); 822 PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun); 823 PRINT_STATS_LE32(cck, sent_ba_rsp_cnt); 824 PRINT_STATS_LE32(cck, dsp_self_kill); 825 PRINT_STATS_LE32(cck, reserved); 826 } 827 828 pos += scnprintf(buf + pos, bufsz - pos, fmt_header, 829 "Statistics_Rx - GENERAL"); 830 if (!iwl_mvm_has_new_rx_stats_api(mvm)) { 831 struct mvm_statistics_rx_non_phy_v3 *general = 832 &mvm->rx_stats_v3.general; 833 834 PRINT_STATS_LE32(general, bogus_cts); 835 PRINT_STATS_LE32(general, bogus_ack); 836 PRINT_STATS_LE32(general, non_bssid_frames); 837 PRINT_STATS_LE32(general, filtered_frames); 838 PRINT_STATS_LE32(general, non_channel_beacons); 839 PRINT_STATS_LE32(general, channel_beacons); 840 PRINT_STATS_LE32(general, num_missed_bcon); 841 PRINT_STATS_LE32(general, adc_rx_saturation_time); 842 PRINT_STATS_LE32(general, ina_detection_search_time); 843 PRINT_STATS_LE32(general, beacon_silence_rssi_a); 844 PRINT_STATS_LE32(general, beacon_silence_rssi_b); 845 PRINT_STATS_LE32(general, beacon_silence_rssi_c); 846 PRINT_STATS_LE32(general, interference_data_flag); 847 PRINT_STATS_LE32(general, channel_load); 848 PRINT_STATS_LE32(general, dsp_false_alarms); 849 PRINT_STATS_LE32(general, beacon_rssi_a); 850 PRINT_STATS_LE32(general, beacon_rssi_b); 851 PRINT_STATS_LE32(general, beacon_rssi_c); 852 PRINT_STATS_LE32(general, beacon_energy_a); 853 PRINT_STATS_LE32(general, beacon_energy_b); 854 PRINT_STATS_LE32(general, beacon_energy_c); 855 PRINT_STATS_LE32(general, num_bt_kills); 856 PRINT_STATS_LE32(general, mac_id); 857 PRINT_STATS_LE32(general, directed_data_mpdu); 858 } else { 859 struct mvm_statistics_rx_non_phy *general = 860 &mvm->rx_stats.general; 861 862 PRINT_STATS_LE32(general, bogus_cts); 863 PRINT_STATS_LE32(general, bogus_ack); 864 PRINT_STATS_LE32(general, non_channel_beacons); 865 PRINT_STATS_LE32(general, channel_beacons); 866 PRINT_STATS_LE32(general, num_missed_bcon); 867 PRINT_STATS_LE32(general, adc_rx_saturation_time); 868 PRINT_STATS_LE32(general, ina_detection_search_time); 869 PRINT_STATS_LE32(general, beacon_silence_rssi_a); 870 PRINT_STATS_LE32(general, beacon_silence_rssi_b); 871 PRINT_STATS_LE32(general, beacon_silence_rssi_c); 872 PRINT_STATS_LE32(general, interference_data_flag); 873 PRINT_STATS_LE32(general, channel_load); 874 PRINT_STATS_LE32(general, beacon_rssi_a); 875 PRINT_STATS_LE32(general, beacon_rssi_b); 876 PRINT_STATS_LE32(general, beacon_rssi_c); 877 PRINT_STATS_LE32(general, beacon_energy_a); 878 PRINT_STATS_LE32(general, beacon_energy_b); 879 PRINT_STATS_LE32(general, beacon_energy_c); 880 PRINT_STATS_LE32(general, num_bt_kills); 881 PRINT_STATS_LE32(general, mac_id); 882 } 883 884 pos += scnprintf(buf + pos, bufsz - pos, fmt_header, 885 "Statistics_Rx - HT"); 886 if (!iwl_mvm_has_new_rx_stats_api(mvm)) { 887 struct mvm_statistics_rx_ht_phy_v1 *ht = 888 &mvm->rx_stats_v3.ofdm_ht; 889 890 PRINT_STATS_LE32(ht, plcp_err); 891 PRINT_STATS_LE32(ht, overrun_err); 892 PRINT_STATS_LE32(ht, early_overrun_err); 893 PRINT_STATS_LE32(ht, crc32_good); 894 PRINT_STATS_LE32(ht, crc32_err); 895 PRINT_STATS_LE32(ht, mh_format_err); 896 PRINT_STATS_LE32(ht, agg_crc32_good); 897 PRINT_STATS_LE32(ht, agg_mpdu_cnt); 898 PRINT_STATS_LE32(ht, agg_cnt); 899 PRINT_STATS_LE32(ht, unsupport_mcs); 900 } else { 901 struct mvm_statistics_rx_ht_phy *ht = 902 &mvm->rx_stats.ofdm_ht; 903 904 PRINT_STATS_LE32(ht, mh_format_err); 905 PRINT_STATS_LE32(ht, agg_mpdu_cnt); 906 PRINT_STATS_LE32(ht, agg_cnt); 907 PRINT_STATS_LE32(ht, unsupport_mcs); 908 } 909 910 mutex_unlock(&mvm->mutex); 911 912 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 913 kfree(buf); 914 915 return ret; 916 } 917 #undef PRINT_STAT_LE32 918 919 static ssize_t iwl_dbgfs_frame_stats_read(struct iwl_mvm *mvm, 920 char __user *user_buf, size_t count, 921 loff_t *ppos, 922 struct iwl_mvm_frame_stats *stats) 923 { 924 char *buff, *pos, *endpos; 925 int idx, i; 926 int ret; 927 static const size_t bufsz = 1024; 928 929 buff = kmalloc(bufsz, GFP_KERNEL); 930 if (!buff) 931 return -ENOMEM; 932 933 spin_lock_bh(&mvm->drv_stats_lock); 934 935 pos = buff; 936 endpos = pos + bufsz; 937 938 pos += scnprintf(pos, endpos - pos, 939 "Legacy/HT/VHT\t:\t%d/%d/%d\n", 940 stats->legacy_frames, 941 stats->ht_frames, 942 stats->vht_frames); 943 pos += scnprintf(pos, endpos - pos, "20/40/80\t:\t%d/%d/%d\n", 944 stats->bw_20_frames, 945 stats->bw_40_frames, 946 stats->bw_80_frames); 947 pos += scnprintf(pos, endpos - pos, "NGI/SGI\t\t:\t%d/%d\n", 948 stats->ngi_frames, 949 stats->sgi_frames); 950 pos += scnprintf(pos, endpos - pos, "SISO/MIMO2\t:\t%d/%d\n", 951 stats->siso_frames, 952 stats->mimo2_frames); 953 pos += scnprintf(pos, endpos - pos, "FAIL/SCSS\t:\t%d/%d\n", 954 stats->fail_frames, 955 stats->success_frames); 956 pos += scnprintf(pos, endpos - pos, "MPDUs agg\t:\t%d\n", 957 stats->agg_frames); 958 pos += scnprintf(pos, endpos - pos, "A-MPDUs\t\t:\t%d\n", 959 stats->ampdu_count); 960 pos += scnprintf(pos, endpos - pos, "Avg MPDUs/A-MPDU:\t%d\n", 961 stats->ampdu_count > 0 ? 962 (stats->agg_frames / stats->ampdu_count) : 0); 963 964 pos += scnprintf(pos, endpos - pos, "Last Rates\n"); 965 966 idx = stats->last_frame_idx - 1; 967 for (i = 0; i < ARRAY_SIZE(stats->last_rates); i++) { 968 idx = (idx + 1) % ARRAY_SIZE(stats->last_rates); 969 if (stats->last_rates[idx] == 0) 970 continue; 971 pos += scnprintf(pos, endpos - pos, "Rate[%d]: ", 972 (int)(ARRAY_SIZE(stats->last_rates) - i)); 973 pos += rs_pretty_print_rate(pos, endpos - pos, 974 stats->last_rates[idx]); 975 } 976 spin_unlock_bh(&mvm->drv_stats_lock); 977 978 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff); 979 kfree(buff); 980 981 return ret; 982 } 983 984 static ssize_t iwl_dbgfs_drv_rx_stats_read(struct file *file, 985 char __user *user_buf, size_t count, 986 loff_t *ppos) 987 { 988 struct iwl_mvm *mvm = file->private_data; 989 990 return iwl_dbgfs_frame_stats_read(mvm, user_buf, count, ppos, 991 &mvm->drv_rx_stats); 992 } 993 994 static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf, 995 size_t count, loff_t *ppos) 996 { 997 int __maybe_unused ret; 998 999 if (!iwl_mvm_firmware_running(mvm)) 1000 return -EIO; 1001 1002 mutex_lock(&mvm->mutex); 1003 1004 /* allow one more restart that we're provoking here */ 1005 if (mvm->fw_restart >= 0) 1006 mvm->fw_restart++; 1007 1008 /* take the return value to make compiler happy - it will fail anyway */ 1009 ret = iwl_mvm_send_cmd_pdu(mvm, REPLY_ERROR, 0, 0, NULL); 1010 1011 mutex_unlock(&mvm->mutex); 1012 1013 return count; 1014 } 1015 1016 static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf, 1017 size_t count, loff_t *ppos) 1018 { 1019 int ret; 1020 1021 if (!iwl_mvm_firmware_running(mvm)) 1022 return -EIO; 1023 1024 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_NMI); 1025 if (ret) 1026 return ret; 1027 1028 iwl_force_nmi(mvm->trans); 1029 1030 iwl_mvm_unref(mvm, IWL_MVM_REF_NMI); 1031 1032 return count; 1033 } 1034 1035 static ssize_t 1036 iwl_dbgfs_scan_ant_rxchain_read(struct file *file, 1037 char __user *user_buf, 1038 size_t count, loff_t *ppos) 1039 { 1040 struct iwl_mvm *mvm = file->private_data; 1041 int pos = 0; 1042 char buf[32]; 1043 const size_t bufsz = sizeof(buf); 1044 1045 /* print which antennas were set for the scan command by the user */ 1046 pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: "); 1047 if (mvm->scan_rx_ant & ANT_A) 1048 pos += scnprintf(buf + pos, bufsz - pos, "A"); 1049 if (mvm->scan_rx_ant & ANT_B) 1050 pos += scnprintf(buf + pos, bufsz - pos, "B"); 1051 if (mvm->scan_rx_ant & ANT_C) 1052 pos += scnprintf(buf + pos, bufsz - pos, "C"); 1053 pos += scnprintf(buf + pos, bufsz - pos, " (%hhx)\n", mvm->scan_rx_ant); 1054 1055 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1056 } 1057 1058 static ssize_t 1059 iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf, 1060 size_t count, loff_t *ppos) 1061 { 1062 u8 scan_rx_ant; 1063 1064 if (!iwl_mvm_firmware_running(mvm)) 1065 return -EIO; 1066 1067 if (sscanf(buf, "%hhx", &scan_rx_ant) != 1) 1068 return -EINVAL; 1069 if (scan_rx_ant > ANT_ABC) 1070 return -EINVAL; 1071 if (scan_rx_ant & ~(iwl_mvm_get_valid_rx_ant(mvm))) 1072 return -EINVAL; 1073 1074 if (mvm->scan_rx_ant != scan_rx_ant) { 1075 mvm->scan_rx_ant = scan_rx_ant; 1076 if (fw_has_capa(&mvm->fw->ucode_capa, 1077 IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 1078 iwl_mvm_config_scan(mvm); 1079 } 1080 1081 return count; 1082 } 1083 1084 static ssize_t iwl_dbgfs_indirection_tbl_write(struct iwl_mvm *mvm, 1085 char *buf, size_t count, 1086 loff_t *ppos) 1087 { 1088 struct iwl_rss_config_cmd cmd = { 1089 .flags = cpu_to_le32(IWL_RSS_ENABLE), 1090 .hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP | 1091 IWL_RSS_HASH_TYPE_IPV4_UDP | 1092 IWL_RSS_HASH_TYPE_IPV4_PAYLOAD | 1093 IWL_RSS_HASH_TYPE_IPV6_TCP | 1094 IWL_RSS_HASH_TYPE_IPV6_UDP | 1095 IWL_RSS_HASH_TYPE_IPV6_PAYLOAD, 1096 }; 1097 int ret, i, num_repeats, nbytes = count / 2; 1098 1099 ret = hex2bin(cmd.indirection_table, buf, nbytes); 1100 if (ret) 1101 return ret; 1102 1103 /* 1104 * The input is the redirection table, partial or full. 1105 * Repeat the pattern if needed. 1106 * For example, input of 01020F will be repeated 42 times, 1107 * indirecting RSS hash results to queues 1, 2, 15 (skipping 1108 * queues 3 - 14). 1109 */ 1110 num_repeats = ARRAY_SIZE(cmd.indirection_table) / nbytes; 1111 for (i = 1; i < num_repeats; i++) 1112 memcpy(&cmd.indirection_table[i * nbytes], 1113 cmd.indirection_table, nbytes); 1114 /* handle cut in the middle pattern for the last places */ 1115 memcpy(&cmd.indirection_table[i * nbytes], cmd.indirection_table, 1116 ARRAY_SIZE(cmd.indirection_table) % nbytes); 1117 1118 netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key)); 1119 1120 mutex_lock(&mvm->mutex); 1121 if (iwl_mvm_firmware_running(mvm)) 1122 ret = iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, 1123 sizeof(cmd), &cmd); 1124 else 1125 ret = 0; 1126 mutex_unlock(&mvm->mutex); 1127 1128 return ret ?: count; 1129 } 1130 1131 static ssize_t iwl_dbgfs_inject_packet_write(struct iwl_mvm *mvm, 1132 char *buf, size_t count, 1133 loff_t *ppos) 1134 { 1135 struct iwl_rx_cmd_buffer rxb = { 1136 ._rx_page_order = 0, 1137 .truesize = 0, /* not used */ 1138 ._offset = 0, 1139 }; 1140 struct iwl_rx_packet *pkt; 1141 struct iwl_rx_mpdu_desc *desc; 1142 int bin_len = count / 2; 1143 int ret = -EINVAL; 1144 size_t mpdu_cmd_hdr_size = 1145 (mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22560) ? 1146 sizeof(struct iwl_rx_mpdu_desc) : 1147 IWL_RX_DESC_SIZE_V1; 1148 1149 if (!iwl_mvm_firmware_running(mvm)) 1150 return -EIO; 1151 1152 /* supporting only 9000 descriptor */ 1153 if (!mvm->trans->cfg->mq_rx_supported) 1154 return -ENOTSUPP; 1155 1156 rxb._page = alloc_pages(GFP_ATOMIC, 0); 1157 if (!rxb._page) 1158 return -ENOMEM; 1159 pkt = rxb_addr(&rxb); 1160 1161 ret = hex2bin(page_address(rxb._page), buf, bin_len); 1162 if (ret) 1163 goto out; 1164 1165 /* avoid invalid memory access */ 1166 if (bin_len < sizeof(*pkt) + mpdu_cmd_hdr_size) 1167 goto out; 1168 1169 /* check this is RX packet */ 1170 if (WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd) != 1171 WIDE_ID(LEGACY_GROUP, REPLY_RX_MPDU_CMD)) 1172 goto out; 1173 1174 /* check the length in metadata matches actual received length */ 1175 desc = (void *)pkt->data; 1176 if (le16_to_cpu(desc->mpdu_len) != 1177 (bin_len - mpdu_cmd_hdr_size - sizeof(*pkt))) 1178 goto out; 1179 1180 local_bh_disable(); 1181 iwl_mvm_rx_mpdu_mq(mvm, NULL, &rxb, 0); 1182 local_bh_enable(); 1183 ret = 0; 1184 1185 out: 1186 iwl_free_rxb(&rxb); 1187 1188 return ret ?: count; 1189 } 1190 1191 static int _iwl_dbgfs_inject_beacon_ie(struct iwl_mvm *mvm, char *bin, int len) 1192 { 1193 struct ieee80211_vif *vif; 1194 struct iwl_mvm_vif *mvmvif; 1195 struct sk_buff *beacon; 1196 struct ieee80211_tx_info *info; 1197 struct iwl_mac_beacon_cmd beacon_cmd = {}; 1198 u8 rate; 1199 u16 flags; 1200 int i; 1201 1202 len /= 2; 1203 1204 /* Element len should be represented by u8 */ 1205 if (len >= U8_MAX) 1206 return -EINVAL; 1207 1208 if (!iwl_mvm_firmware_running(mvm)) 1209 return -EIO; 1210 1211 if (!iwl_mvm_has_new_tx_api(mvm) && 1212 !fw_has_api(&mvm->fw->ucode_capa, 1213 IWL_UCODE_TLV_API_NEW_BEACON_TEMPLATE)) 1214 return -EINVAL; 1215 1216 rcu_read_lock(); 1217 1218 for (i = 0; i < NUM_MAC_INDEX_DRIVER; i++) { 1219 vif = iwl_mvm_rcu_dereference_vif_id(mvm, i, true); 1220 if (!vif) 1221 continue; 1222 1223 if (vif->type == NL80211_IFTYPE_AP) 1224 break; 1225 } 1226 1227 if (i == NUM_MAC_INDEX_DRIVER || !vif) 1228 goto out_err; 1229 1230 mvm->hw->extra_beacon_tailroom = len; 1231 1232 beacon = ieee80211_beacon_get_template(mvm->hw, vif, NULL); 1233 if (!beacon) 1234 goto out_err; 1235 1236 if (len && hex2bin(skb_put_zero(beacon, len), bin, len)) { 1237 dev_kfree_skb(beacon); 1238 goto out_err; 1239 } 1240 1241 mvm->beacon_inject_active = true; 1242 1243 mvmvif = iwl_mvm_vif_from_mac80211(vif); 1244 info = IEEE80211_SKB_CB(beacon); 1245 rate = iwl_mvm_mac_ctxt_get_lowest_rate(info, vif); 1246 flags = iwl_mvm_mac80211_idx_to_hwrate(rate); 1247 1248 if (rate == IWL_FIRST_CCK_RATE) 1249 flags |= IWL_MAC_BEACON_CCK; 1250 1251 beacon_cmd.flags = cpu_to_le16(flags); 1252 beacon_cmd.byte_cnt = cpu_to_le16((u16)beacon->len); 1253 beacon_cmd.template_id = cpu_to_le32((u32)mvmvif->id); 1254 1255 iwl_mvm_mac_ctxt_set_tim(mvm, &beacon_cmd.tim_idx, 1256 &beacon_cmd.tim_size, 1257 beacon->data, beacon->len); 1258 1259 mutex_lock(&mvm->mutex); 1260 iwl_mvm_mac_ctxt_send_beacon_cmd(mvm, beacon, &beacon_cmd, 1261 sizeof(beacon_cmd)); 1262 mutex_unlock(&mvm->mutex); 1263 1264 dev_kfree_skb(beacon); 1265 1266 rcu_read_unlock(); 1267 return 0; 1268 1269 out_err: 1270 rcu_read_unlock(); 1271 return -EINVAL; 1272 } 1273 1274 static ssize_t iwl_dbgfs_inject_beacon_ie_write(struct iwl_mvm *mvm, 1275 char *buf, size_t count, 1276 loff_t *ppos) 1277 { 1278 int ret = _iwl_dbgfs_inject_beacon_ie(mvm, buf, count); 1279 1280 mvm->hw->extra_beacon_tailroom = 0; 1281 return ret ?: count; 1282 } 1283 1284 static ssize_t iwl_dbgfs_inject_beacon_ie_restore_write(struct iwl_mvm *mvm, 1285 char *buf, 1286 size_t count, 1287 loff_t *ppos) 1288 { 1289 int ret = _iwl_dbgfs_inject_beacon_ie(mvm, NULL, 0); 1290 1291 mvm->hw->extra_beacon_tailroom = 0; 1292 mvm->beacon_inject_active = false; 1293 return ret ?: count; 1294 } 1295 1296 static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file, 1297 char __user *user_buf, 1298 size_t count, loff_t *ppos) 1299 { 1300 struct iwl_mvm *mvm = file->private_data; 1301 int conf; 1302 char buf[8]; 1303 const size_t bufsz = sizeof(buf); 1304 int pos = 0; 1305 1306 mutex_lock(&mvm->mutex); 1307 conf = mvm->fwrt.dump.conf; 1308 mutex_unlock(&mvm->mutex); 1309 1310 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", conf); 1311 1312 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1313 } 1314 1315 static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm, 1316 char *buf, size_t count, 1317 loff_t *ppos) 1318 { 1319 unsigned int conf_id; 1320 int ret; 1321 1322 if (!iwl_mvm_firmware_running(mvm)) 1323 return -EIO; 1324 1325 ret = kstrtouint(buf, 0, &conf_id); 1326 if (ret) 1327 return ret; 1328 1329 if (WARN_ON(conf_id >= FW_DBG_CONF_MAX)) 1330 return -EINVAL; 1331 1332 mutex_lock(&mvm->mutex); 1333 ret = iwl_fw_start_dbg_conf(&mvm->fwrt, conf_id); 1334 mutex_unlock(&mvm->mutex); 1335 1336 return ret ?: count; 1337 } 1338 1339 static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm, 1340 char *buf, size_t count, 1341 loff_t *ppos) 1342 { 1343 int ret; 1344 1345 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE); 1346 if (ret) 1347 return ret; 1348 if (count == 0) 1349 return 0; 1350 1351 iwl_fw_dbg_collect(&mvm->fwrt, FW_DBG_TRIGGER_USER, buf, 1352 (count - 1), NULL); 1353 1354 iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE); 1355 1356 return count; 1357 } 1358 1359 static ssize_t iwl_dbgfs_max_amsdu_len_write(struct iwl_mvm *mvm, 1360 char *buf, size_t count, 1361 loff_t *ppos) 1362 { 1363 unsigned int max_amsdu_len; 1364 int ret; 1365 1366 ret = kstrtouint(buf, 0, &max_amsdu_len); 1367 if (ret) 1368 return ret; 1369 1370 if (max_amsdu_len > IEEE80211_MAX_MPDU_LEN_VHT_11454) 1371 return -EINVAL; 1372 mvm->max_amsdu_len = max_amsdu_len; 1373 1374 return count; 1375 } 1376 1377 #define ADD_TEXT(...) pos += scnprintf(buf + pos, bufsz - pos, __VA_ARGS__) 1378 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 1379 static ssize_t iwl_dbgfs_bcast_filters_read(struct file *file, 1380 char __user *user_buf, 1381 size_t count, loff_t *ppos) 1382 { 1383 struct iwl_mvm *mvm = file->private_data; 1384 struct iwl_bcast_filter_cmd cmd; 1385 const struct iwl_fw_bcast_filter *filter; 1386 char *buf; 1387 int bufsz = 1024; 1388 int i, j, pos = 0; 1389 ssize_t ret; 1390 1391 buf = kzalloc(bufsz, GFP_KERNEL); 1392 if (!buf) 1393 return -ENOMEM; 1394 1395 mutex_lock(&mvm->mutex); 1396 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) { 1397 ADD_TEXT("None\n"); 1398 mutex_unlock(&mvm->mutex); 1399 goto out; 1400 } 1401 mutex_unlock(&mvm->mutex); 1402 1403 for (i = 0; cmd.filters[i].attrs[0].mask; i++) { 1404 filter = &cmd.filters[i]; 1405 1406 ADD_TEXT("Filter [%d]:\n", i); 1407 ADD_TEXT("\tDiscard=%d\n", filter->discard); 1408 ADD_TEXT("\tFrame Type: %s\n", 1409 filter->frame_type ? "IPv4" : "Generic"); 1410 1411 for (j = 0; j < ARRAY_SIZE(filter->attrs); j++) { 1412 const struct iwl_fw_bcast_filter_attr *attr; 1413 1414 attr = &filter->attrs[j]; 1415 if (!attr->mask) 1416 break; 1417 1418 ADD_TEXT("\tAttr [%d]: offset=%d (from %s), mask=0x%x, value=0x%x reserved=0x%x\n", 1419 j, attr->offset, 1420 attr->offset_type ? "IP End" : 1421 "Payload Start", 1422 be32_to_cpu(attr->mask), 1423 be32_to_cpu(attr->val), 1424 le16_to_cpu(attr->reserved1)); 1425 } 1426 } 1427 out: 1428 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1429 kfree(buf); 1430 return ret; 1431 } 1432 1433 static ssize_t iwl_dbgfs_bcast_filters_write(struct iwl_mvm *mvm, char *buf, 1434 size_t count, loff_t *ppos) 1435 { 1436 int pos, next_pos; 1437 struct iwl_fw_bcast_filter filter = {}; 1438 struct iwl_bcast_filter_cmd cmd; 1439 u32 filter_id, attr_id, mask, value; 1440 int err = 0; 1441 1442 if (sscanf(buf, "%d %hhi %hhi %n", &filter_id, &filter.discard, 1443 &filter.frame_type, &pos) != 3) 1444 return -EINVAL; 1445 1446 if (filter_id >= ARRAY_SIZE(mvm->dbgfs_bcast_filtering.cmd.filters) || 1447 filter.frame_type > BCAST_FILTER_FRAME_TYPE_IPV4) 1448 return -EINVAL; 1449 1450 for (attr_id = 0; attr_id < ARRAY_SIZE(filter.attrs); 1451 attr_id++) { 1452 struct iwl_fw_bcast_filter_attr *attr = 1453 &filter.attrs[attr_id]; 1454 1455 if (pos >= count) 1456 break; 1457 1458 if (sscanf(&buf[pos], "%hhi %hhi %i %i %n", 1459 &attr->offset, &attr->offset_type, 1460 &mask, &value, &next_pos) != 4) 1461 return -EINVAL; 1462 1463 attr->mask = cpu_to_be32(mask); 1464 attr->val = cpu_to_be32(value); 1465 if (mask) 1466 filter.num_attrs++; 1467 1468 pos += next_pos; 1469 } 1470 1471 mutex_lock(&mvm->mutex); 1472 memcpy(&mvm->dbgfs_bcast_filtering.cmd.filters[filter_id], 1473 &filter, sizeof(filter)); 1474 1475 /* send updated bcast filtering configuration */ 1476 if (iwl_mvm_firmware_running(mvm) && 1477 mvm->dbgfs_bcast_filtering.override && 1478 iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) 1479 err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0, 1480 sizeof(cmd), &cmd); 1481 mutex_unlock(&mvm->mutex); 1482 1483 return err ?: count; 1484 } 1485 1486 static ssize_t iwl_dbgfs_bcast_filters_macs_read(struct file *file, 1487 char __user *user_buf, 1488 size_t count, loff_t *ppos) 1489 { 1490 struct iwl_mvm *mvm = file->private_data; 1491 struct iwl_bcast_filter_cmd cmd; 1492 char *buf; 1493 int bufsz = 1024; 1494 int i, pos = 0; 1495 ssize_t ret; 1496 1497 buf = kzalloc(bufsz, GFP_KERNEL); 1498 if (!buf) 1499 return -ENOMEM; 1500 1501 mutex_lock(&mvm->mutex); 1502 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) { 1503 ADD_TEXT("None\n"); 1504 mutex_unlock(&mvm->mutex); 1505 goto out; 1506 } 1507 mutex_unlock(&mvm->mutex); 1508 1509 for (i = 0; i < ARRAY_SIZE(cmd.macs); i++) { 1510 const struct iwl_fw_bcast_mac *mac = &cmd.macs[i]; 1511 1512 ADD_TEXT("Mac [%d]: discard=%d attached_filters=0x%x\n", 1513 i, mac->default_discard, mac->attached_filters); 1514 } 1515 out: 1516 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1517 kfree(buf); 1518 return ret; 1519 } 1520 1521 static ssize_t iwl_dbgfs_bcast_filters_macs_write(struct iwl_mvm *mvm, 1522 char *buf, size_t count, 1523 loff_t *ppos) 1524 { 1525 struct iwl_bcast_filter_cmd cmd; 1526 struct iwl_fw_bcast_mac mac = {}; 1527 u32 mac_id, attached_filters; 1528 int err = 0; 1529 1530 if (!mvm->bcast_filters) 1531 return -ENOENT; 1532 1533 if (sscanf(buf, "%d %hhi %i", &mac_id, &mac.default_discard, 1534 &attached_filters) != 3) 1535 return -EINVAL; 1536 1537 if (mac_id >= ARRAY_SIZE(cmd.macs) || 1538 mac.default_discard > 1 || 1539 attached_filters >= BIT(ARRAY_SIZE(cmd.filters))) 1540 return -EINVAL; 1541 1542 mac.attached_filters = cpu_to_le16(attached_filters); 1543 1544 mutex_lock(&mvm->mutex); 1545 memcpy(&mvm->dbgfs_bcast_filtering.cmd.macs[mac_id], 1546 &mac, sizeof(mac)); 1547 1548 /* send updated bcast filtering configuration */ 1549 if (iwl_mvm_firmware_running(mvm) && 1550 mvm->dbgfs_bcast_filtering.override && 1551 iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) 1552 err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0, 1553 sizeof(cmd), &cmd); 1554 mutex_unlock(&mvm->mutex); 1555 1556 return err ?: count; 1557 } 1558 #endif 1559 1560 #ifdef CONFIG_PM_SLEEP 1561 static ssize_t iwl_dbgfs_d3_sram_write(struct iwl_mvm *mvm, char *buf, 1562 size_t count, loff_t *ppos) 1563 { 1564 int store; 1565 1566 if (sscanf(buf, "%d", &store) != 1) 1567 return -EINVAL; 1568 1569 mvm->store_d3_resume_sram = store; 1570 1571 return count; 1572 } 1573 1574 static ssize_t iwl_dbgfs_d3_sram_read(struct file *file, char __user *user_buf, 1575 size_t count, loff_t *ppos) 1576 { 1577 struct iwl_mvm *mvm = file->private_data; 1578 const struct fw_img *img; 1579 int ofs, len, pos = 0; 1580 size_t bufsz, ret; 1581 char *buf; 1582 u8 *ptr = mvm->d3_resume_sram; 1583 1584 img = &mvm->fw->img[IWL_UCODE_WOWLAN]; 1585 len = img->sec[IWL_UCODE_SECTION_DATA].len; 1586 1587 bufsz = len * 4 + 256; 1588 buf = kzalloc(bufsz, GFP_KERNEL); 1589 if (!buf) 1590 return -ENOMEM; 1591 1592 pos += scnprintf(buf, bufsz, "D3 SRAM capture: %sabled\n", 1593 mvm->store_d3_resume_sram ? "en" : "dis"); 1594 1595 if (ptr) { 1596 for (ofs = 0; ofs < len; ofs += 16) { 1597 pos += scnprintf(buf + pos, bufsz - pos, 1598 "0x%.4x %16ph\n", ofs, ptr + ofs); 1599 } 1600 } else { 1601 pos += scnprintf(buf + pos, bufsz - pos, 1602 "(no data captured)\n"); 1603 } 1604 1605 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1606 1607 kfree(buf); 1608 1609 return ret; 1610 } 1611 #endif 1612 1613 #define PRINT_MVM_REF(ref) do { \ 1614 if (mvm->refs[ref]) \ 1615 pos += scnprintf(buf + pos, bufsz - pos, \ 1616 "\t(0x%lx): %d %s\n", \ 1617 BIT(ref), mvm->refs[ref], #ref); \ 1618 } while (0) 1619 1620 static ssize_t iwl_dbgfs_d0i3_refs_read(struct file *file, 1621 char __user *user_buf, 1622 size_t count, loff_t *ppos) 1623 { 1624 struct iwl_mvm *mvm = file->private_data; 1625 int i, pos = 0; 1626 char buf[256]; 1627 const size_t bufsz = sizeof(buf); 1628 u32 refs = 0; 1629 1630 for (i = 0; i < IWL_MVM_REF_COUNT; i++) 1631 if (mvm->refs[i]) 1632 refs |= BIT(i); 1633 1634 pos += scnprintf(buf + pos, bufsz - pos, "taken mvm refs: 0x%x\n", 1635 refs); 1636 1637 PRINT_MVM_REF(IWL_MVM_REF_UCODE_DOWN); 1638 PRINT_MVM_REF(IWL_MVM_REF_SCAN); 1639 PRINT_MVM_REF(IWL_MVM_REF_ROC); 1640 PRINT_MVM_REF(IWL_MVM_REF_ROC_AUX); 1641 PRINT_MVM_REF(IWL_MVM_REF_P2P_CLIENT); 1642 PRINT_MVM_REF(IWL_MVM_REF_AP_IBSS); 1643 PRINT_MVM_REF(IWL_MVM_REF_USER); 1644 PRINT_MVM_REF(IWL_MVM_REF_TX); 1645 PRINT_MVM_REF(IWL_MVM_REF_TX_AGG); 1646 PRINT_MVM_REF(IWL_MVM_REF_ADD_IF); 1647 PRINT_MVM_REF(IWL_MVM_REF_START_AP); 1648 PRINT_MVM_REF(IWL_MVM_REF_BSS_CHANGED); 1649 PRINT_MVM_REF(IWL_MVM_REF_PREPARE_TX); 1650 PRINT_MVM_REF(IWL_MVM_REF_PROTECT_TDLS); 1651 PRINT_MVM_REF(IWL_MVM_REF_CHECK_CTKILL); 1652 PRINT_MVM_REF(IWL_MVM_REF_PRPH_READ); 1653 PRINT_MVM_REF(IWL_MVM_REF_PRPH_WRITE); 1654 PRINT_MVM_REF(IWL_MVM_REF_NMI); 1655 PRINT_MVM_REF(IWL_MVM_REF_TM_CMD); 1656 PRINT_MVM_REF(IWL_MVM_REF_EXIT_WORK); 1657 PRINT_MVM_REF(IWL_MVM_REF_PROTECT_CSA); 1658 PRINT_MVM_REF(IWL_MVM_REF_FW_DBG_COLLECT); 1659 PRINT_MVM_REF(IWL_MVM_REF_INIT_UCODE); 1660 PRINT_MVM_REF(IWL_MVM_REF_SENDING_CMD); 1661 PRINT_MVM_REF(IWL_MVM_REF_RX); 1662 1663 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1664 } 1665 1666 static ssize_t iwl_dbgfs_d0i3_refs_write(struct iwl_mvm *mvm, char *buf, 1667 size_t count, loff_t *ppos) 1668 { 1669 unsigned long value; 1670 int ret; 1671 bool taken; 1672 1673 ret = kstrtoul(buf, 10, &value); 1674 if (ret < 0) 1675 return ret; 1676 1677 mutex_lock(&mvm->mutex); 1678 1679 taken = mvm->refs[IWL_MVM_REF_USER]; 1680 if (value == 1 && !taken) 1681 iwl_mvm_ref(mvm, IWL_MVM_REF_USER); 1682 else if (value == 0 && taken) 1683 iwl_mvm_unref(mvm, IWL_MVM_REF_USER); 1684 else 1685 ret = -EINVAL; 1686 1687 mutex_unlock(&mvm->mutex); 1688 1689 if (ret < 0) 1690 return ret; 1691 return count; 1692 } 1693 1694 #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \ 1695 _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm) 1696 #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \ 1697 _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm) 1698 #define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do { \ 1699 debugfs_create_file(alias, mode, parent, mvm, \ 1700 &iwl_dbgfs_##name##_ops); \ 1701 } while (0) 1702 #define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \ 1703 MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode) 1704 1705 #define MVM_DEBUGFS_WRITE_STA_FILE_OPS(name, bufsz) \ 1706 _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct ieee80211_sta) 1707 #define MVM_DEBUGFS_READ_WRITE_STA_FILE_OPS(name, bufsz) \ 1708 _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct ieee80211_sta) 1709 1710 #define MVM_DEBUGFS_ADD_STA_FILE_ALIAS(alias, name, parent, mode) do { \ 1711 debugfs_create_file(alias, mode, parent, sta, \ 1712 &iwl_dbgfs_##name##_ops); \ 1713 } while (0) 1714 #define MVM_DEBUGFS_ADD_STA_FILE(name, parent, mode) \ 1715 MVM_DEBUGFS_ADD_STA_FILE_ALIAS(#name, name, parent, mode) 1716 1717 static ssize_t 1718 iwl_dbgfs_prph_reg_read(struct file *file, 1719 char __user *user_buf, 1720 size_t count, loff_t *ppos) 1721 { 1722 struct iwl_mvm *mvm = file->private_data; 1723 int pos = 0; 1724 char buf[32]; 1725 const size_t bufsz = sizeof(buf); 1726 int ret; 1727 1728 if (!mvm->dbgfs_prph_reg_addr) 1729 return -EINVAL; 1730 1731 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_READ); 1732 if (ret) 1733 return ret; 1734 1735 pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n", 1736 mvm->dbgfs_prph_reg_addr, 1737 iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr)); 1738 1739 iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_READ); 1740 1741 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1742 } 1743 1744 static ssize_t 1745 iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf, 1746 size_t count, loff_t *ppos) 1747 { 1748 u8 args; 1749 u32 value; 1750 int ret; 1751 1752 args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value); 1753 /* if we only want to set the reg address - nothing more to do */ 1754 if (args == 1) 1755 goto out; 1756 1757 /* otherwise, make sure we have both address and value */ 1758 if (args != 2) 1759 return -EINVAL; 1760 1761 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE); 1762 if (ret) 1763 return ret; 1764 1765 iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value); 1766 1767 iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE); 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 iwl_cmd_id(HE_AIR_SNIFFER_CONFIG_CMD, DATA_PATH_GROUP, 0), 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, iwl_cmd_id(HE_AIR_SNIFFER_CONFIG_CMD, 1852 DATA_PATH_GROUP, 0), 0, 1853 sizeof(he_mon_cmd), &he_mon_cmd); 1854 1855 /* no need to really wait, we already did anyway */ 1856 iwl_remove_notification(&mvm->notif_wait, &wait); 1857 1858 mutex_unlock(&mvm->mutex); 1859 1860 return ret ?: count; 1861 } 1862 1863 static ssize_t 1864 iwl_dbgfs_he_sniffer_params_read(struct file *file, char __user *user_buf, 1865 size_t count, loff_t *ppos) 1866 { 1867 struct iwl_mvm *mvm = file->private_data; 1868 u8 buf[32]; 1869 int len; 1870 1871 len = scnprintf(buf, sizeof(buf), 1872 "%d %02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx\n", 1873 le16_to_cpu(mvm->cur_aid), mvm->cur_bssid[0], 1874 mvm->cur_bssid[1], mvm->cur_bssid[2], mvm->cur_bssid[3], 1875 mvm->cur_bssid[4], mvm->cur_bssid[5]); 1876 1877 return simple_read_from_buffer(user_buf, count, ppos, buf, len); 1878 } 1879 1880 static ssize_t 1881 iwl_dbgfs_uapsd_noagg_bssids_read(struct file *file, char __user *user_buf, 1882 size_t count, loff_t *ppos) 1883 { 1884 struct iwl_mvm *mvm = file->private_data; 1885 u8 buf[IWL_MVM_UAPSD_NOAGG_BSSIDS_NUM * ETH_ALEN * 3 + 1]; 1886 unsigned int pos = 0; 1887 size_t bufsz = sizeof(buf); 1888 int i; 1889 1890 mutex_lock(&mvm->mutex); 1891 1892 for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++) 1893 pos += scnprintf(buf + pos, bufsz - pos, "%pM\n", 1894 mvm->uapsd_noagg_bssids[i].addr); 1895 1896 mutex_unlock(&mvm->mutex); 1897 1898 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1899 } 1900 1901 MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64); 1902 1903 /* Device wide debugfs entries */ 1904 MVM_DEBUGFS_READ_FILE_OPS(ctdp_budget); 1905 MVM_DEBUGFS_WRITE_FILE_OPS(stop_ctdp, 8); 1906 MVM_DEBUGFS_WRITE_FILE_OPS(force_ctkill, 8); 1907 MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16); 1908 MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8); 1909 MVM_DEBUGFS_WRITE_FILE_OPS(send_echo_cmd, 8); 1910 MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64); 1911 MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64); 1912 MVM_DEBUGFS_READ_FILE_OPS(nic_temp); 1913 MVM_DEBUGFS_READ_FILE_OPS(stations); 1914 MVM_DEBUGFS_READ_FILE_OPS(rs_data); 1915 MVM_DEBUGFS_READ_FILE_OPS(bt_notif); 1916 MVM_DEBUGFS_READ_FILE_OPS(bt_cmd); 1917 MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64); 1918 MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats); 1919 MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats); 1920 MVM_DEBUGFS_READ_FILE_OPS(fw_ver); 1921 MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10); 1922 MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10); 1923 MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10); 1924 MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10); 1925 MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8); 1926 MVM_DEBUGFS_READ_WRITE_FILE_OPS(d0i3_refs, 8); 1927 MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8); 1928 MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 64); 1929 MVM_DEBUGFS_WRITE_FILE_OPS(max_amsdu_len, 8); 1930 MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl, 1931 (IWL_RSS_INDIRECTION_TABLE_SIZE * 2)); 1932 MVM_DEBUGFS_WRITE_FILE_OPS(inject_packet, 512); 1933 MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie, 512); 1934 MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie_restore, 512); 1935 1936 MVM_DEBUGFS_READ_FILE_OPS(uapsd_noagg_bssids); 1937 1938 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 1939 MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters, 256); 1940 MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters_macs, 256); 1941 #endif 1942 1943 #ifdef CONFIG_PM_SLEEP 1944 MVM_DEBUGFS_READ_WRITE_FILE_OPS(d3_sram, 8); 1945 #endif 1946 #ifdef CONFIG_ACPI 1947 MVM_DEBUGFS_READ_FILE_OPS(sar_geo_profile); 1948 #endif 1949 1950 MVM_DEBUGFS_READ_WRITE_FILE_OPS(he_sniffer_params, 32); 1951 1952 static ssize_t iwl_dbgfs_mem_read(struct file *file, char __user *user_buf, 1953 size_t count, loff_t *ppos) 1954 { 1955 struct iwl_mvm *mvm = file->private_data; 1956 struct iwl_dbg_mem_access_cmd cmd = {}; 1957 struct iwl_dbg_mem_access_rsp *rsp; 1958 struct iwl_host_cmd hcmd = { 1959 .flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL, 1960 .data = { &cmd, }, 1961 .len = { sizeof(cmd) }, 1962 }; 1963 size_t delta; 1964 ssize_t ret, len; 1965 1966 if (!iwl_mvm_firmware_running(mvm)) 1967 return -EIO; 1968 1969 hcmd.id = iwl_cmd_id(*ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR, 1970 DEBUG_GROUP, 0); 1971 cmd.op = cpu_to_le32(DEBUG_MEM_OP_READ); 1972 1973 /* Take care of alignment of both the position and the length */ 1974 delta = *ppos & 0x3; 1975 cmd.addr = cpu_to_le32(*ppos - delta); 1976 cmd.len = cpu_to_le32(min(ALIGN(count + delta, 4) / 4, 1977 (size_t)DEBUG_MEM_MAX_SIZE_DWORDS)); 1978 1979 mutex_lock(&mvm->mutex); 1980 ret = iwl_mvm_send_cmd(mvm, &hcmd); 1981 mutex_unlock(&mvm->mutex); 1982 1983 if (ret < 0) 1984 return ret; 1985 1986 rsp = (void *)hcmd.resp_pkt->data; 1987 if (le32_to_cpu(rsp->status) != DEBUG_MEM_STATUS_SUCCESS) { 1988 ret = -ENXIO; 1989 goto out; 1990 } 1991 1992 len = min((size_t)le32_to_cpu(rsp->len) << 2, 1993 iwl_rx_packet_payload_len(hcmd.resp_pkt) - sizeof(*rsp)); 1994 len = min(len - delta, count); 1995 if (len < 0) { 1996 ret = -EFAULT; 1997 goto out; 1998 } 1999 2000 ret = len - copy_to_user(user_buf, (void *)rsp->data + delta, len); 2001 *ppos += ret; 2002 2003 out: 2004 iwl_free_resp(&hcmd); 2005 return ret; 2006 } 2007 2008 static ssize_t iwl_dbgfs_mem_write(struct file *file, 2009 const char __user *user_buf, size_t count, 2010 loff_t *ppos) 2011 { 2012 struct iwl_mvm *mvm = file->private_data; 2013 struct iwl_dbg_mem_access_cmd *cmd; 2014 struct iwl_dbg_mem_access_rsp *rsp; 2015 struct iwl_host_cmd hcmd = {}; 2016 size_t cmd_size; 2017 size_t data_size; 2018 u32 op, len; 2019 ssize_t ret; 2020 2021 if (!iwl_mvm_firmware_running(mvm)) 2022 return -EIO; 2023 2024 hcmd.id = iwl_cmd_id(*ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR, 2025 DEBUG_GROUP, 0); 2026 2027 if (*ppos & 0x3 || count < 4) { 2028 op = DEBUG_MEM_OP_WRITE_BYTES; 2029 len = min(count, (size_t)(4 - (*ppos & 0x3))); 2030 data_size = len; 2031 } else { 2032 op = DEBUG_MEM_OP_WRITE; 2033 len = min(count >> 2, (size_t)DEBUG_MEM_MAX_SIZE_DWORDS); 2034 data_size = len << 2; 2035 } 2036 2037 cmd_size = sizeof(*cmd) + ALIGN(data_size, 4); 2038 cmd = kzalloc(cmd_size, GFP_KERNEL); 2039 if (!cmd) 2040 return -ENOMEM; 2041 2042 cmd->op = cpu_to_le32(op); 2043 cmd->len = cpu_to_le32(len); 2044 cmd->addr = cpu_to_le32(*ppos); 2045 if (copy_from_user((void *)cmd->data, user_buf, data_size)) { 2046 kfree(cmd); 2047 return -EFAULT; 2048 } 2049 2050 hcmd.flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL, 2051 hcmd.data[0] = (void *)cmd; 2052 hcmd.len[0] = cmd_size; 2053 2054 mutex_lock(&mvm->mutex); 2055 ret = iwl_mvm_send_cmd(mvm, &hcmd); 2056 mutex_unlock(&mvm->mutex); 2057 2058 kfree(cmd); 2059 2060 if (ret < 0) 2061 return ret; 2062 2063 rsp = (void *)hcmd.resp_pkt->data; 2064 if (rsp->status != DEBUG_MEM_STATUS_SUCCESS) { 2065 ret = -ENXIO; 2066 goto out; 2067 } 2068 2069 ret = data_size; 2070 *ppos += ret; 2071 2072 out: 2073 iwl_free_resp(&hcmd); 2074 return ret; 2075 } 2076 2077 static const struct file_operations iwl_dbgfs_mem_ops = { 2078 .read = iwl_dbgfs_mem_read, 2079 .write = iwl_dbgfs_mem_write, 2080 .open = simple_open, 2081 .llseek = default_llseek, 2082 }; 2083 2084 void iwl_mvm_sta_add_debugfs(struct ieee80211_hw *hw, 2085 struct ieee80211_vif *vif, 2086 struct ieee80211_sta *sta, 2087 struct dentry *dir) 2088 { 2089 struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); 2090 2091 if (iwl_mvm_has_tlc_offload(mvm)) 2092 MVM_DEBUGFS_ADD_STA_FILE(rs_data, dir, 0400); 2093 } 2094 2095 void iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) 2096 { 2097 struct dentry *bcast_dir __maybe_unused; 2098 char buf[100]; 2099 2100 spin_lock_init(&mvm->drv_stats_lock); 2101 2102 mvm->debugfs_dir = dbgfs_dir; 2103 2104 MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, 0200); 2105 MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, 0200); 2106 MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, 0600); 2107 MVM_DEBUGFS_ADD_FILE(set_nic_temperature, mvm->debugfs_dir, 0600); 2108 MVM_DEBUGFS_ADD_FILE(nic_temp, dbgfs_dir, 0400); 2109 MVM_DEBUGFS_ADD_FILE(ctdp_budget, dbgfs_dir, 0400); 2110 MVM_DEBUGFS_ADD_FILE(stop_ctdp, dbgfs_dir, 0200); 2111 MVM_DEBUGFS_ADD_FILE(force_ctkill, dbgfs_dir, 0200); 2112 MVM_DEBUGFS_ADD_FILE(stations, dbgfs_dir, 0400); 2113 MVM_DEBUGFS_ADD_FILE(bt_notif, dbgfs_dir, 0400); 2114 MVM_DEBUGFS_ADD_FILE(bt_cmd, dbgfs_dir, 0400); 2115 MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir, 0600); 2116 MVM_DEBUGFS_ADD_FILE(fw_ver, mvm->debugfs_dir, 0400); 2117 MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, 0400); 2118 MVM_DEBUGFS_ADD_FILE(drv_rx_stats, mvm->debugfs_dir, 0400); 2119 MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, 0200); 2120 MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, 0200); 2121 MVM_DEBUGFS_ADD_FILE(bt_tx_prio, mvm->debugfs_dir, 0200); 2122 MVM_DEBUGFS_ADD_FILE(bt_force_ant, mvm->debugfs_dir, 0200); 2123 MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir, 0600); 2124 MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, 0600); 2125 MVM_DEBUGFS_ADD_FILE(d0i3_refs, mvm->debugfs_dir, 0600); 2126 MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, 0600); 2127 MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, 0200); 2128 MVM_DEBUGFS_ADD_FILE(max_amsdu_len, mvm->debugfs_dir, 0200); 2129 MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, 0200); 2130 MVM_DEBUGFS_ADD_FILE(indirection_tbl, mvm->debugfs_dir, 0200); 2131 MVM_DEBUGFS_ADD_FILE(inject_packet, mvm->debugfs_dir, 0200); 2132 MVM_DEBUGFS_ADD_FILE(inject_beacon_ie, mvm->debugfs_dir, 0200); 2133 MVM_DEBUGFS_ADD_FILE(inject_beacon_ie_restore, mvm->debugfs_dir, 0200); 2134 #ifdef CONFIG_ACPI 2135 MVM_DEBUGFS_ADD_FILE(sar_geo_profile, dbgfs_dir, 0400); 2136 #endif 2137 MVM_DEBUGFS_ADD_FILE(he_sniffer_params, mvm->debugfs_dir, 0600); 2138 2139 debugfs_create_bool("enable_scan_iteration_notif", 0600, 2140 mvm->debugfs_dir, &mvm->scan_iter_notif_enabled); 2141 debugfs_create_bool("drop_bcn_ap_mode", 0600, mvm->debugfs_dir, 2142 &mvm->drop_bcn_ap_mode); 2143 2144 MVM_DEBUGFS_ADD_FILE(uapsd_noagg_bssids, mvm->debugfs_dir, S_IRUSR); 2145 2146 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 2147 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING) { 2148 bcast_dir = debugfs_create_dir("bcast_filtering", 2149 mvm->debugfs_dir); 2150 2151 debugfs_create_bool("override", 0600, bcast_dir, 2152 &mvm->dbgfs_bcast_filtering.override); 2153 2154 MVM_DEBUGFS_ADD_FILE_ALIAS("filters", bcast_filters, 2155 bcast_dir, 0600); 2156 MVM_DEBUGFS_ADD_FILE_ALIAS("macs", bcast_filters_macs, 2157 bcast_dir, 0600); 2158 } 2159 #endif 2160 2161 #ifdef CONFIG_PM_SLEEP 2162 MVM_DEBUGFS_ADD_FILE(d3_sram, mvm->debugfs_dir, 0600); 2163 MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, 0400); 2164 debugfs_create_bool("d3_wake_sysassert", 0600, mvm->debugfs_dir, 2165 &mvm->d3_wake_sysassert); 2166 debugfs_create_u32("last_netdetect_scans", 0400, mvm->debugfs_dir, 2167 &mvm->last_netdetect_scans); 2168 #endif 2169 2170 debugfs_create_u8("ps_disabled", 0400, mvm->debugfs_dir, 2171 &mvm->ps_disabled); 2172 debugfs_create_blob("nvm_hw", 0400, mvm->debugfs_dir, 2173 &mvm->nvm_hw_blob); 2174 debugfs_create_blob("nvm_sw", 0400, mvm->debugfs_dir, 2175 &mvm->nvm_sw_blob); 2176 debugfs_create_blob("nvm_calib", 0400, mvm->debugfs_dir, 2177 &mvm->nvm_calib_blob); 2178 debugfs_create_blob("nvm_prod", 0400, mvm->debugfs_dir, 2179 &mvm->nvm_prod_blob); 2180 debugfs_create_blob("nvm_phy_sku", 0400, mvm->debugfs_dir, 2181 &mvm->nvm_phy_sku_blob); 2182 debugfs_create_blob("nvm_reg", S_IRUSR, 2183 mvm->debugfs_dir, &mvm->nvm_reg_blob); 2184 2185 debugfs_create_file("mem", 0600, dbgfs_dir, mvm, &iwl_dbgfs_mem_ops); 2186 2187 /* 2188 * Create a symlink with mac80211. It will be removed when mac80211 2189 * exists (before the opmode exists which removes the target.) 2190 */ 2191 snprintf(buf, 100, "../../%pd2", dbgfs_dir->d_parent); 2192 debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, buf); 2193 } 2194