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 Intel Deutschland GmbH 11 * 12 * This program is free software; you can redistribute it and/or modify 13 * it under the terms of version 2 of the GNU General Public License as 14 * published by the Free Software Foundation. 15 * 16 * This program is distributed in the hope that it will be useful, but 17 * WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 19 * General Public License for more details. 20 * 21 * You should have received a copy of the GNU General Public License 22 * along with this program; if not, write to the Free Software 23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, 24 * USA 25 * 26 * The full GNU General Public License is included in this distribution 27 * in the file called COPYING. 28 * 29 * Contact Information: 30 * Intel Linux Wireless <linuxwifi@intel.com> 31 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 32 * 33 * BSD LICENSE 34 * 35 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. 36 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 37 * All rights reserved. 38 * 39 * Redistribution and use in source and binary forms, with or without 40 * modification, are permitted provided that the following conditions 41 * are met: 42 * 43 * * Redistributions of source code must retain the above copyright 44 * notice, this list of conditions and the following disclaimer. 45 * * Redistributions in binary form must reproduce the above copyright 46 * notice, this list of conditions and the following disclaimer in 47 * the documentation and/or other materials provided with the 48 * distribution. 49 * * Neither the name Intel Corporation nor the names of its 50 * contributors may be used to endorse or promote products derived 51 * from this software without specific prior written permission. 52 * 53 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 54 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 55 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 56 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 57 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 58 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 59 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 60 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 61 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 62 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 63 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 64 * 65 *****************************************************************************/ 66 #include <linux/vmalloc.h> 67 #include <linux/ieee80211.h> 68 69 #include "mvm.h" 70 #include "fw-dbg.h" 71 #include "sta.h" 72 #include "iwl-io.h" 73 #include "debugfs.h" 74 #include "iwl-fw-error-dump.h" 75 76 static ssize_t iwl_dbgfs_ctdp_budget_read(struct file *file, 77 char __user *user_buf, 78 size_t count, loff_t *ppos) 79 { 80 struct iwl_mvm *mvm = file->private_data; 81 char buf[16]; 82 int pos, budget; 83 84 if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR) 85 return -EIO; 86 87 mutex_lock(&mvm->mutex); 88 budget = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_REPORT, 0); 89 mutex_unlock(&mvm->mutex); 90 91 if (budget < 0) 92 return budget; 93 94 pos = scnprintf(buf, sizeof(buf), "%d\n", budget); 95 96 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 97 } 98 99 static ssize_t iwl_dbgfs_stop_ctdp_write(struct iwl_mvm *mvm, char *buf, 100 size_t count, loff_t *ppos) 101 { 102 int ret; 103 104 if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR) 105 return -EIO; 106 107 mutex_lock(&mvm->mutex); 108 ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_STOP, 0); 109 mutex_unlock(&mvm->mutex); 110 111 return ret ?: count; 112 } 113 114 static ssize_t iwl_dbgfs_tx_flush_write(struct iwl_mvm *mvm, char *buf, 115 size_t count, loff_t *ppos) 116 { 117 int ret; 118 u32 scd_q_msk; 119 120 if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR) 121 return -EIO; 122 123 if (sscanf(buf, "%x", &scd_q_msk) != 1) 124 return -EINVAL; 125 126 IWL_ERR(mvm, "FLUSHING queues: scd_q_msk = 0x%x\n", scd_q_msk); 127 128 mutex_lock(&mvm->mutex); 129 ret = iwl_mvm_flush_tx_path(mvm, scd_q_msk, 0) ? : count; 130 mutex_unlock(&mvm->mutex); 131 132 return ret; 133 } 134 135 static ssize_t iwl_dbgfs_sta_drain_write(struct iwl_mvm *mvm, char *buf, 136 size_t count, loff_t *ppos) 137 { 138 struct iwl_mvm_sta *mvmsta; 139 int sta_id, drain, ret; 140 141 if (!mvm->ucode_loaded || mvm->cur_ucode != IWL_UCODE_REGULAR) 142 return -EIO; 143 144 if (sscanf(buf, "%d %d", &sta_id, &drain) != 2) 145 return -EINVAL; 146 if (sta_id < 0 || sta_id >= IWL_MVM_STATION_COUNT) 147 return -EINVAL; 148 if (drain < 0 || drain > 1) 149 return -EINVAL; 150 151 mutex_lock(&mvm->mutex); 152 153 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id); 154 155 if (!mvmsta) 156 ret = -ENOENT; 157 else 158 ret = iwl_mvm_drain_sta(mvm, mvmsta, drain) ? : count; 159 160 mutex_unlock(&mvm->mutex); 161 162 return ret; 163 } 164 165 static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf, 166 size_t count, loff_t *ppos) 167 { 168 struct iwl_mvm *mvm = file->private_data; 169 const struct fw_img *img; 170 unsigned int ofs, len; 171 size_t ret; 172 u8 *ptr; 173 174 if (!mvm->ucode_loaded) 175 return -EINVAL; 176 177 /* default is to dump the entire data segment */ 178 img = &mvm->fw->img[mvm->cur_ucode]; 179 ofs = img->sec[IWL_UCODE_SECTION_DATA].offset; 180 len = img->sec[IWL_UCODE_SECTION_DATA].len; 181 182 if (mvm->dbgfs_sram_len) { 183 ofs = mvm->dbgfs_sram_offset; 184 len = mvm->dbgfs_sram_len; 185 } 186 187 ptr = kzalloc(len, GFP_KERNEL); 188 if (!ptr) 189 return -ENOMEM; 190 191 iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len); 192 193 ret = simple_read_from_buffer(user_buf, count, ppos, ptr, len); 194 195 kfree(ptr); 196 197 return ret; 198 } 199 200 static ssize_t iwl_dbgfs_sram_write(struct iwl_mvm *mvm, char *buf, 201 size_t count, loff_t *ppos) 202 { 203 const struct fw_img *img; 204 u32 offset, len; 205 u32 img_offset, img_len; 206 207 if (!mvm->ucode_loaded) 208 return -EINVAL; 209 210 img = &mvm->fw->img[mvm->cur_ucode]; 211 img_offset = img->sec[IWL_UCODE_SECTION_DATA].offset; 212 img_len = img->sec[IWL_UCODE_SECTION_DATA].len; 213 214 if (sscanf(buf, "%x,%x", &offset, &len) == 2) { 215 if ((offset & 0x3) || (len & 0x3)) 216 return -EINVAL; 217 218 if (offset + len > img_offset + img_len) 219 return -EINVAL; 220 221 mvm->dbgfs_sram_offset = offset; 222 mvm->dbgfs_sram_len = len; 223 } else { 224 mvm->dbgfs_sram_offset = 0; 225 mvm->dbgfs_sram_len = 0; 226 } 227 228 return count; 229 } 230 231 static ssize_t iwl_dbgfs_set_nic_temperature_read(struct file *file, 232 char __user *user_buf, 233 size_t count, loff_t *ppos) 234 { 235 struct iwl_mvm *mvm = file->private_data; 236 char buf[16]; 237 int pos; 238 239 if (!mvm->temperature_test) 240 pos = scnprintf(buf , sizeof(buf), "disabled\n"); 241 else 242 pos = scnprintf(buf , sizeof(buf), "%d\n", mvm->temperature); 243 244 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 245 } 246 247 /* 248 * Set NIC Temperature 249 * Cause the driver to ignore the actual NIC temperature reported by the FW 250 * Enable: any value between IWL_MVM_DEBUG_SET_TEMPERATURE_MIN - 251 * IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 252 * Disable: IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 253 */ 254 static ssize_t iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm *mvm, 255 char *buf, size_t count, 256 loff_t *ppos) 257 { 258 int temperature; 259 260 if (!mvm->ucode_loaded && !mvm->temperature_test) 261 return -EIO; 262 263 if (kstrtoint(buf, 10, &temperature)) 264 return -EINVAL; 265 /* not a legal temperature */ 266 if ((temperature > IWL_MVM_DEBUG_SET_TEMPERATURE_MAX && 267 temperature != IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) || 268 temperature < IWL_MVM_DEBUG_SET_TEMPERATURE_MIN) 269 return -EINVAL; 270 271 mutex_lock(&mvm->mutex); 272 if (temperature == IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) { 273 if (!mvm->temperature_test) 274 goto out; 275 276 mvm->temperature_test = false; 277 /* Since we can't read the temp while awake, just set 278 * it to zero until we get the next RX stats from the 279 * firmware. 280 */ 281 mvm->temperature = 0; 282 } else { 283 mvm->temperature_test = true; 284 mvm->temperature = temperature; 285 } 286 IWL_DEBUG_TEMP(mvm, "%sabling debug set temperature (temp = %d)\n", 287 mvm->temperature_test ? "En" : "Dis" , 288 mvm->temperature); 289 /* handle the temperature change */ 290 iwl_mvm_tt_handler(mvm); 291 292 out: 293 mutex_unlock(&mvm->mutex); 294 295 return count; 296 } 297 298 static ssize_t iwl_dbgfs_nic_temp_read(struct file *file, 299 char __user *user_buf, 300 size_t count, loff_t *ppos) 301 { 302 struct iwl_mvm *mvm = file->private_data; 303 char buf[16]; 304 int pos, ret; 305 s32 temp; 306 307 if (!mvm->ucode_loaded) 308 return -EIO; 309 310 mutex_lock(&mvm->mutex); 311 ret = iwl_mvm_get_temp(mvm, &temp); 312 mutex_unlock(&mvm->mutex); 313 314 if (ret) 315 return -EIO; 316 317 pos = scnprintf(buf , sizeof(buf), "%d\n", temp); 318 319 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 320 } 321 322 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, 323 size_t count, loff_t *ppos) 324 { 325 struct iwl_mvm *mvm = file->private_data; 326 struct ieee80211_sta *sta; 327 char buf[400]; 328 int i, pos = 0, bufsz = sizeof(buf); 329 330 mutex_lock(&mvm->mutex); 331 332 for (i = 0; i < IWL_MVM_STATION_COUNT; i++) { 333 pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i); 334 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], 335 lockdep_is_held(&mvm->mutex)); 336 if (!sta) 337 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n"); 338 else if (IS_ERR(sta)) 339 pos += scnprintf(buf + pos, bufsz - pos, "%ld\n", 340 PTR_ERR(sta)); 341 else 342 pos += scnprintf(buf + pos, bufsz - pos, "%pM\n", 343 sta->addr); 344 } 345 346 mutex_unlock(&mvm->mutex); 347 348 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 349 } 350 351 static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file, 352 char __user *user_buf, 353 size_t count, loff_t *ppos) 354 { 355 struct iwl_mvm *mvm = file->private_data; 356 char buf[64]; 357 int bufsz = sizeof(buf); 358 int pos = 0; 359 360 pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d0=%d\n", 361 mvm->disable_power_off); 362 pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d3=%d\n", 363 mvm->disable_power_off_d3); 364 365 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 366 } 367 368 static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf, 369 size_t count, loff_t *ppos) 370 { 371 int ret, val; 372 373 if (!mvm->ucode_loaded) 374 return -EIO; 375 376 if (!strncmp("disable_power_off_d0=", buf, 21)) { 377 if (sscanf(buf + 21, "%d", &val) != 1) 378 return -EINVAL; 379 mvm->disable_power_off = val; 380 } else if (!strncmp("disable_power_off_d3=", buf, 21)) { 381 if (sscanf(buf + 21, "%d", &val) != 1) 382 return -EINVAL; 383 mvm->disable_power_off_d3 = val; 384 } else { 385 return -EINVAL; 386 } 387 388 mutex_lock(&mvm->mutex); 389 ret = iwl_mvm_power_update_device(mvm); 390 mutex_unlock(&mvm->mutex); 391 392 return ret ?: count; 393 } 394 395 #define BT_MBOX_MSG(_notif, _num, _field) \ 396 ((le32_to_cpu((_notif)->mbox_msg[(_num)]) & BT_MBOX##_num##_##_field)\ 397 >> BT_MBOX##_num##_##_field##_POS) 398 399 400 #define BT_MBOX_PRINT(_num, _field, _end) \ 401 pos += scnprintf(buf + pos, bufsz - pos, \ 402 "\t%s: %d%s", \ 403 #_field, \ 404 BT_MBOX_MSG(notif, _num, _field), \ 405 true ? "\n" : ", "); 406 407 static 408 int iwl_mvm_coex_dump_mbox(struct iwl_bt_coex_profile_notif *notif, char *buf, 409 int pos, int bufsz) 410 { 411 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n"); 412 413 BT_MBOX_PRINT(0, LE_SLAVE_LAT, false); 414 BT_MBOX_PRINT(0, LE_PROF1, false); 415 BT_MBOX_PRINT(0, LE_PROF2, false); 416 BT_MBOX_PRINT(0, LE_PROF_OTHER, false); 417 BT_MBOX_PRINT(0, CHL_SEQ_N, false); 418 BT_MBOX_PRINT(0, INBAND_S, false); 419 BT_MBOX_PRINT(0, LE_MIN_RSSI, false); 420 BT_MBOX_PRINT(0, LE_SCAN, false); 421 BT_MBOX_PRINT(0, LE_ADV, false); 422 BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false); 423 BT_MBOX_PRINT(0, OPEN_CON_1, true); 424 425 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n"); 426 427 BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false); 428 BT_MBOX_PRINT(1, IP_SR, false); 429 BT_MBOX_PRINT(1, LE_MSTR, false); 430 BT_MBOX_PRINT(1, AGGR_TRFC_LD, false); 431 BT_MBOX_PRINT(1, MSG_TYPE, false); 432 BT_MBOX_PRINT(1, SSN, true); 433 434 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n"); 435 436 BT_MBOX_PRINT(2, SNIFF_ACT, false); 437 BT_MBOX_PRINT(2, PAG, false); 438 BT_MBOX_PRINT(2, INQUIRY, false); 439 BT_MBOX_PRINT(2, CONN, false); 440 BT_MBOX_PRINT(2, SNIFF_INTERVAL, false); 441 BT_MBOX_PRINT(2, DISC, false); 442 BT_MBOX_PRINT(2, SCO_TX_ACT, false); 443 BT_MBOX_PRINT(2, SCO_RX_ACT, false); 444 BT_MBOX_PRINT(2, ESCO_RE_TX, false); 445 BT_MBOX_PRINT(2, SCO_DURATION, true); 446 447 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n"); 448 449 BT_MBOX_PRINT(3, SCO_STATE, false); 450 BT_MBOX_PRINT(3, SNIFF_STATE, false); 451 BT_MBOX_PRINT(3, A2DP_STATE, false); 452 BT_MBOX_PRINT(3, ACL_STATE, false); 453 BT_MBOX_PRINT(3, MSTR_STATE, false); 454 BT_MBOX_PRINT(3, OBX_STATE, false); 455 BT_MBOX_PRINT(3, OPEN_CON_2, false); 456 BT_MBOX_PRINT(3, TRAFFIC_LOAD, false); 457 BT_MBOX_PRINT(3, CHL_SEQN_LSB, false); 458 BT_MBOX_PRINT(3, INBAND_P, false); 459 BT_MBOX_PRINT(3, MSG_TYPE_2, false); 460 BT_MBOX_PRINT(3, SSN_2, false); 461 BT_MBOX_PRINT(3, UPDATE_REQUEST, true); 462 463 return pos; 464 } 465 466 static 467 int iwl_mvm_coex_dump_mbox_old(struct iwl_bt_coex_profile_notif_old *notif, 468 char *buf, int pos, int bufsz) 469 { 470 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n"); 471 472 BT_MBOX_PRINT(0, LE_SLAVE_LAT, false); 473 BT_MBOX_PRINT(0, LE_PROF1, false); 474 BT_MBOX_PRINT(0, LE_PROF2, false); 475 BT_MBOX_PRINT(0, LE_PROF_OTHER, false); 476 BT_MBOX_PRINT(0, CHL_SEQ_N, false); 477 BT_MBOX_PRINT(0, INBAND_S, false); 478 BT_MBOX_PRINT(0, LE_MIN_RSSI, false); 479 BT_MBOX_PRINT(0, LE_SCAN, false); 480 BT_MBOX_PRINT(0, LE_ADV, false); 481 BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false); 482 BT_MBOX_PRINT(0, OPEN_CON_1, true); 483 484 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n"); 485 486 BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false); 487 BT_MBOX_PRINT(1, IP_SR, false); 488 BT_MBOX_PRINT(1, LE_MSTR, false); 489 BT_MBOX_PRINT(1, AGGR_TRFC_LD, false); 490 BT_MBOX_PRINT(1, MSG_TYPE, false); 491 BT_MBOX_PRINT(1, SSN, true); 492 493 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n"); 494 495 BT_MBOX_PRINT(2, SNIFF_ACT, false); 496 BT_MBOX_PRINT(2, PAG, false); 497 BT_MBOX_PRINT(2, INQUIRY, false); 498 BT_MBOX_PRINT(2, CONN, false); 499 BT_MBOX_PRINT(2, SNIFF_INTERVAL, false); 500 BT_MBOX_PRINT(2, DISC, false); 501 BT_MBOX_PRINT(2, SCO_TX_ACT, false); 502 BT_MBOX_PRINT(2, SCO_RX_ACT, false); 503 BT_MBOX_PRINT(2, ESCO_RE_TX, false); 504 BT_MBOX_PRINT(2, SCO_DURATION, true); 505 506 pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n"); 507 508 BT_MBOX_PRINT(3, SCO_STATE, false); 509 BT_MBOX_PRINT(3, SNIFF_STATE, false); 510 BT_MBOX_PRINT(3, A2DP_STATE, false); 511 BT_MBOX_PRINT(3, ACL_STATE, false); 512 BT_MBOX_PRINT(3, MSTR_STATE, false); 513 BT_MBOX_PRINT(3, OBX_STATE, false); 514 BT_MBOX_PRINT(3, OPEN_CON_2, false); 515 BT_MBOX_PRINT(3, TRAFFIC_LOAD, false); 516 BT_MBOX_PRINT(3, CHL_SEQN_LSB, false); 517 BT_MBOX_PRINT(3, INBAND_P, false); 518 BT_MBOX_PRINT(3, MSG_TYPE_2, false); 519 BT_MBOX_PRINT(3, SSN_2, false); 520 BT_MBOX_PRINT(3, UPDATE_REQUEST, true); 521 522 return pos; 523 } 524 525 static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf, 526 size_t count, loff_t *ppos) 527 { 528 struct iwl_mvm *mvm = file->private_data; 529 char *buf; 530 int ret, pos = 0, bufsz = sizeof(char) * 1024; 531 532 buf = kmalloc(bufsz, GFP_KERNEL); 533 if (!buf) 534 return -ENOMEM; 535 536 mutex_lock(&mvm->mutex); 537 538 if (!fw_has_api(&mvm->fw->ucode_capa, 539 IWL_UCODE_TLV_API_BT_COEX_SPLIT)) { 540 struct iwl_bt_coex_profile_notif_old *notif = 541 &mvm->last_bt_notif_old; 542 543 pos += iwl_mvm_coex_dump_mbox_old(notif, buf, pos, bufsz); 544 545 pos += scnprintf(buf+pos, bufsz-pos, "bt_ci_compliance = %d\n", 546 notif->bt_ci_compliance); 547 pos += scnprintf(buf+pos, bufsz-pos, "primary_ch_lut = %d\n", 548 le32_to_cpu(notif->primary_ch_lut)); 549 pos += scnprintf(buf+pos, bufsz-pos, "secondary_ch_lut = %d\n", 550 le32_to_cpu(notif->secondary_ch_lut)); 551 pos += scnprintf(buf+pos, 552 bufsz-pos, "bt_activity_grading = %d\n", 553 le32_to_cpu(notif->bt_activity_grading)); 554 pos += scnprintf(buf+pos, bufsz-pos, 555 "antenna isolation = %d CORUN LUT index = %d\n", 556 mvm->last_ant_isol, mvm->last_corun_lut); 557 pos += scnprintf(buf + pos, bufsz - pos, "bt_rrc = %d\n", 558 notif->rrc_enabled); 559 pos += scnprintf(buf + pos, bufsz - pos, "bt_ttc = %d\n", 560 notif->ttc_enabled); 561 } else { 562 struct iwl_bt_coex_profile_notif *notif = 563 &mvm->last_bt_notif; 564 565 pos += iwl_mvm_coex_dump_mbox(notif, buf, pos, bufsz); 566 567 pos += scnprintf(buf+pos, bufsz-pos, "bt_ci_compliance = %d\n", 568 notif->bt_ci_compliance); 569 pos += scnprintf(buf+pos, bufsz-pos, "primary_ch_lut = %d\n", 570 le32_to_cpu(notif->primary_ch_lut)); 571 pos += scnprintf(buf+pos, bufsz-pos, "secondary_ch_lut = %d\n", 572 le32_to_cpu(notif->secondary_ch_lut)); 573 pos += scnprintf(buf+pos, 574 bufsz-pos, "bt_activity_grading = %d\n", 575 le32_to_cpu(notif->bt_activity_grading)); 576 pos += scnprintf(buf+pos, bufsz-pos, 577 "antenna isolation = %d CORUN LUT index = %d\n", 578 mvm->last_ant_isol, mvm->last_corun_lut); 579 pos += scnprintf(buf + pos, bufsz - pos, "bt_rrc = %d\n", 580 (notif->ttc_rrc_status >> 4) & 0xF); 581 pos += scnprintf(buf + pos, bufsz - pos, "bt_ttc = %d\n", 582 notif->ttc_rrc_status & 0xF); 583 } 584 585 pos += scnprintf(buf + pos, bufsz - pos, "sync_sco = %d\n", 586 IWL_MVM_BT_COEX_SYNC2SCO); 587 pos += scnprintf(buf + pos, bufsz - pos, "mplut = %d\n", 588 IWL_MVM_BT_COEX_MPLUT); 589 pos += scnprintf(buf + pos, bufsz - pos, "corunning = %d\n", 590 IWL_MVM_BT_COEX_CORUNNING); 591 592 mutex_unlock(&mvm->mutex); 593 594 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 595 kfree(buf); 596 597 return ret; 598 } 599 #undef BT_MBOX_PRINT 600 601 static ssize_t iwl_dbgfs_bt_cmd_read(struct file *file, char __user *user_buf, 602 size_t count, loff_t *ppos) 603 { 604 struct iwl_mvm *mvm = file->private_data; 605 char buf[256]; 606 int bufsz = sizeof(buf); 607 int pos = 0; 608 609 mutex_lock(&mvm->mutex); 610 611 if (!fw_has_api(&mvm->fw->ucode_capa, 612 IWL_UCODE_TLV_API_BT_COEX_SPLIT)) { 613 struct iwl_bt_coex_ci_cmd_old *cmd = &mvm->last_bt_ci_cmd_old; 614 615 pos += scnprintf(buf+pos, bufsz-pos, 616 "Channel inhibition CMD\n"); 617 pos += scnprintf(buf+pos, bufsz-pos, 618 "\tPrimary Channel Bitmap 0x%016llx\n", 619 le64_to_cpu(cmd->bt_primary_ci)); 620 pos += scnprintf(buf+pos, bufsz-pos, 621 "\tSecondary Channel Bitmap 0x%016llx\n", 622 le64_to_cpu(cmd->bt_secondary_ci)); 623 624 pos += scnprintf(buf+pos, bufsz-pos, 625 "BT Configuration CMD - 0=default, 1=never, 2=always\n"); 626 pos += scnprintf(buf+pos, bufsz-pos, "\tACK Kill msk idx %d\n", 627 mvm->bt_ack_kill_msk[0]); 628 pos += scnprintf(buf+pos, bufsz-pos, "\tCTS Kill msk idx %d\n", 629 mvm->bt_cts_kill_msk[0]); 630 631 } else { 632 struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd; 633 634 pos += scnprintf(buf+pos, bufsz-pos, 635 "Channel inhibition CMD\n"); 636 pos += scnprintf(buf+pos, bufsz-pos, 637 "\tPrimary Channel Bitmap 0x%016llx\n", 638 le64_to_cpu(cmd->bt_primary_ci)); 639 pos += scnprintf(buf+pos, bufsz-pos, 640 "\tSecondary Channel Bitmap 0x%016llx\n", 641 le64_to_cpu(cmd->bt_secondary_ci)); 642 } 643 644 mutex_unlock(&mvm->mutex); 645 646 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 647 } 648 649 static ssize_t 650 iwl_dbgfs_bt_tx_prio_write(struct iwl_mvm *mvm, char *buf, 651 size_t count, loff_t *ppos) 652 { 653 u32 bt_tx_prio; 654 655 if (sscanf(buf, "%u", &bt_tx_prio) != 1) 656 return -EINVAL; 657 if (bt_tx_prio > 4) 658 return -EINVAL; 659 660 mvm->bt_tx_prio = bt_tx_prio; 661 662 return count; 663 } 664 665 static ssize_t 666 iwl_dbgfs_bt_force_ant_write(struct iwl_mvm *mvm, char *buf, 667 size_t count, loff_t *ppos) 668 { 669 static const char * const modes_str[BT_FORCE_ANT_MAX] = { 670 [BT_FORCE_ANT_DIS] = "dis", 671 [BT_FORCE_ANT_AUTO] = "auto", 672 [BT_FORCE_ANT_BT] = "bt", 673 [BT_FORCE_ANT_WIFI] = "wifi", 674 }; 675 int ret, bt_force_ant_mode; 676 677 for (bt_force_ant_mode = 0; 678 bt_force_ant_mode < ARRAY_SIZE(modes_str); 679 bt_force_ant_mode++) { 680 if (!strcmp(buf, modes_str[bt_force_ant_mode])) 681 break; 682 } 683 684 if (bt_force_ant_mode >= ARRAY_SIZE(modes_str)) 685 return -EINVAL; 686 687 ret = 0; 688 mutex_lock(&mvm->mutex); 689 if (mvm->bt_force_ant_mode == bt_force_ant_mode) 690 goto out; 691 692 mvm->bt_force_ant_mode = bt_force_ant_mode; 693 IWL_DEBUG_COEX(mvm, "Force mode: %s\n", 694 modes_str[mvm->bt_force_ant_mode]); 695 ret = iwl_send_bt_init_conf(mvm); 696 697 out: 698 mutex_unlock(&mvm->mutex); 699 return ret ?: count; 700 } 701 702 #define PRINT_STATS_LE32(_struct, _memb) \ 703 pos += scnprintf(buf + pos, bufsz - pos, \ 704 fmt_table, #_memb, \ 705 le32_to_cpu(_struct->_memb)) 706 707 static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file, 708 char __user *user_buf, size_t count, 709 loff_t *ppos) 710 { 711 struct iwl_mvm *mvm = file->private_data; 712 static const char *fmt_table = "\t%-30s %10u\n"; 713 static const char *fmt_header = "%-32s\n"; 714 int pos = 0; 715 char *buf; 716 int ret; 717 /* 43 is the size of each data line, 33 is the size of each header */ 718 size_t bufsz = 719 ((sizeof(struct mvm_statistics_rx) / sizeof(__le32)) * 43) + 720 (4 * 33) + 1; 721 722 struct mvm_statistics_rx_phy *ofdm; 723 struct mvm_statistics_rx_phy *cck; 724 struct mvm_statistics_rx_non_phy *general; 725 struct mvm_statistics_rx_ht_phy *ht; 726 727 buf = kzalloc(bufsz, GFP_KERNEL); 728 if (!buf) 729 return -ENOMEM; 730 731 mutex_lock(&mvm->mutex); 732 733 ofdm = &mvm->rx_stats.ofdm; 734 cck = &mvm->rx_stats.cck; 735 general = &mvm->rx_stats.general; 736 ht = &mvm->rx_stats.ofdm_ht; 737 738 pos += scnprintf(buf + pos, bufsz - pos, fmt_header, 739 "Statistics_Rx - OFDM"); 740 PRINT_STATS_LE32(ofdm, ina_cnt); 741 PRINT_STATS_LE32(ofdm, fina_cnt); 742 PRINT_STATS_LE32(ofdm, plcp_err); 743 PRINT_STATS_LE32(ofdm, crc32_err); 744 PRINT_STATS_LE32(ofdm, overrun_err); 745 PRINT_STATS_LE32(ofdm, early_overrun_err); 746 PRINT_STATS_LE32(ofdm, crc32_good); 747 PRINT_STATS_LE32(ofdm, false_alarm_cnt); 748 PRINT_STATS_LE32(ofdm, fina_sync_err_cnt); 749 PRINT_STATS_LE32(ofdm, sfd_timeout); 750 PRINT_STATS_LE32(ofdm, fina_timeout); 751 PRINT_STATS_LE32(ofdm, unresponded_rts); 752 PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun); 753 PRINT_STATS_LE32(ofdm, sent_ack_cnt); 754 PRINT_STATS_LE32(ofdm, sent_cts_cnt); 755 PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt); 756 PRINT_STATS_LE32(ofdm, dsp_self_kill); 757 PRINT_STATS_LE32(ofdm, mh_format_err); 758 PRINT_STATS_LE32(ofdm, re_acq_main_rssi_sum); 759 PRINT_STATS_LE32(ofdm, reserved); 760 761 pos += scnprintf(buf + pos, bufsz - pos, fmt_header, 762 "Statistics_Rx - CCK"); 763 PRINT_STATS_LE32(cck, ina_cnt); 764 PRINT_STATS_LE32(cck, fina_cnt); 765 PRINT_STATS_LE32(cck, plcp_err); 766 PRINT_STATS_LE32(cck, crc32_err); 767 PRINT_STATS_LE32(cck, overrun_err); 768 PRINT_STATS_LE32(cck, early_overrun_err); 769 PRINT_STATS_LE32(cck, crc32_good); 770 PRINT_STATS_LE32(cck, false_alarm_cnt); 771 PRINT_STATS_LE32(cck, fina_sync_err_cnt); 772 PRINT_STATS_LE32(cck, sfd_timeout); 773 PRINT_STATS_LE32(cck, fina_timeout); 774 PRINT_STATS_LE32(cck, unresponded_rts); 775 PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun); 776 PRINT_STATS_LE32(cck, sent_ack_cnt); 777 PRINT_STATS_LE32(cck, sent_cts_cnt); 778 PRINT_STATS_LE32(cck, sent_ba_rsp_cnt); 779 PRINT_STATS_LE32(cck, dsp_self_kill); 780 PRINT_STATS_LE32(cck, mh_format_err); 781 PRINT_STATS_LE32(cck, re_acq_main_rssi_sum); 782 PRINT_STATS_LE32(cck, reserved); 783 784 pos += scnprintf(buf + pos, bufsz - pos, fmt_header, 785 "Statistics_Rx - GENERAL"); 786 PRINT_STATS_LE32(general, bogus_cts); 787 PRINT_STATS_LE32(general, bogus_ack); 788 PRINT_STATS_LE32(general, non_bssid_frames); 789 PRINT_STATS_LE32(general, filtered_frames); 790 PRINT_STATS_LE32(general, non_channel_beacons); 791 PRINT_STATS_LE32(general, channel_beacons); 792 PRINT_STATS_LE32(general, num_missed_bcon); 793 PRINT_STATS_LE32(general, adc_rx_saturation_time); 794 PRINT_STATS_LE32(general, ina_detection_search_time); 795 PRINT_STATS_LE32(general, beacon_silence_rssi_a); 796 PRINT_STATS_LE32(general, beacon_silence_rssi_b); 797 PRINT_STATS_LE32(general, beacon_silence_rssi_c); 798 PRINT_STATS_LE32(general, interference_data_flag); 799 PRINT_STATS_LE32(general, channel_load); 800 PRINT_STATS_LE32(general, dsp_false_alarms); 801 PRINT_STATS_LE32(general, beacon_rssi_a); 802 PRINT_STATS_LE32(general, beacon_rssi_b); 803 PRINT_STATS_LE32(general, beacon_rssi_c); 804 PRINT_STATS_LE32(general, beacon_energy_a); 805 PRINT_STATS_LE32(general, beacon_energy_b); 806 PRINT_STATS_LE32(general, beacon_energy_c); 807 PRINT_STATS_LE32(general, num_bt_kills); 808 PRINT_STATS_LE32(general, mac_id); 809 PRINT_STATS_LE32(general, directed_data_mpdu); 810 811 pos += scnprintf(buf + pos, bufsz - pos, fmt_header, 812 "Statistics_Rx - HT"); 813 PRINT_STATS_LE32(ht, plcp_err); 814 PRINT_STATS_LE32(ht, overrun_err); 815 PRINT_STATS_LE32(ht, early_overrun_err); 816 PRINT_STATS_LE32(ht, crc32_good); 817 PRINT_STATS_LE32(ht, crc32_err); 818 PRINT_STATS_LE32(ht, mh_format_err); 819 PRINT_STATS_LE32(ht, agg_crc32_good); 820 PRINT_STATS_LE32(ht, agg_mpdu_cnt); 821 PRINT_STATS_LE32(ht, agg_cnt); 822 PRINT_STATS_LE32(ht, unsupport_mcs); 823 824 mutex_unlock(&mvm->mutex); 825 826 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 827 kfree(buf); 828 829 return ret; 830 } 831 #undef PRINT_STAT_LE32 832 833 static ssize_t iwl_dbgfs_frame_stats_read(struct iwl_mvm *mvm, 834 char __user *user_buf, size_t count, 835 loff_t *ppos, 836 struct iwl_mvm_frame_stats *stats) 837 { 838 char *buff, *pos, *endpos; 839 int idx, i; 840 int ret; 841 static const size_t bufsz = 1024; 842 843 buff = kmalloc(bufsz, GFP_KERNEL); 844 if (!buff) 845 return -ENOMEM; 846 847 spin_lock_bh(&mvm->drv_stats_lock); 848 849 pos = buff; 850 endpos = pos + bufsz; 851 852 pos += scnprintf(pos, endpos - pos, 853 "Legacy/HT/VHT\t:\t%d/%d/%d\n", 854 stats->legacy_frames, 855 stats->ht_frames, 856 stats->vht_frames); 857 pos += scnprintf(pos, endpos - pos, "20/40/80\t:\t%d/%d/%d\n", 858 stats->bw_20_frames, 859 stats->bw_40_frames, 860 stats->bw_80_frames); 861 pos += scnprintf(pos, endpos - pos, "NGI/SGI\t\t:\t%d/%d\n", 862 stats->ngi_frames, 863 stats->sgi_frames); 864 pos += scnprintf(pos, endpos - pos, "SISO/MIMO2\t:\t%d/%d\n", 865 stats->siso_frames, 866 stats->mimo2_frames); 867 pos += scnprintf(pos, endpos - pos, "FAIL/SCSS\t:\t%d/%d\n", 868 stats->fail_frames, 869 stats->success_frames); 870 pos += scnprintf(pos, endpos - pos, "MPDUs agg\t:\t%d\n", 871 stats->agg_frames); 872 pos += scnprintf(pos, endpos - pos, "A-MPDUs\t\t:\t%d\n", 873 stats->ampdu_count); 874 pos += scnprintf(pos, endpos - pos, "Avg MPDUs/A-MPDU:\t%d\n", 875 stats->ampdu_count > 0 ? 876 (stats->agg_frames / stats->ampdu_count) : 0); 877 878 pos += scnprintf(pos, endpos - pos, "Last Rates\n"); 879 880 idx = stats->last_frame_idx - 1; 881 for (i = 0; i < ARRAY_SIZE(stats->last_rates); i++) { 882 idx = (idx + 1) % ARRAY_SIZE(stats->last_rates); 883 if (stats->last_rates[idx] == 0) 884 continue; 885 pos += scnprintf(pos, endpos - pos, "Rate[%d]: ", 886 (int)(ARRAY_SIZE(stats->last_rates) - i)); 887 pos += rs_pretty_print_rate(pos, stats->last_rates[idx]); 888 } 889 spin_unlock_bh(&mvm->drv_stats_lock); 890 891 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff); 892 kfree(buff); 893 894 return ret; 895 } 896 897 static ssize_t iwl_dbgfs_drv_rx_stats_read(struct file *file, 898 char __user *user_buf, size_t count, 899 loff_t *ppos) 900 { 901 struct iwl_mvm *mvm = file->private_data; 902 903 return iwl_dbgfs_frame_stats_read(mvm, user_buf, count, ppos, 904 &mvm->drv_rx_stats); 905 } 906 907 static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf, 908 size_t count, loff_t *ppos) 909 { 910 int ret; 911 912 mutex_lock(&mvm->mutex); 913 914 /* allow one more restart that we're provoking here */ 915 if (mvm->restart_fw >= 0) 916 mvm->restart_fw++; 917 918 /* take the return value to make compiler happy - it will fail anyway */ 919 ret = iwl_mvm_send_cmd_pdu(mvm, REPLY_ERROR, 0, 0, NULL); 920 921 mutex_unlock(&mvm->mutex); 922 923 return count; 924 } 925 926 static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf, 927 size_t count, loff_t *ppos) 928 { 929 int ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_NMI); 930 if (ret) 931 return ret; 932 933 iwl_force_nmi(mvm->trans); 934 935 iwl_mvm_unref(mvm, IWL_MVM_REF_NMI); 936 937 return count; 938 } 939 940 static ssize_t 941 iwl_dbgfs_scan_ant_rxchain_read(struct file *file, 942 char __user *user_buf, 943 size_t count, loff_t *ppos) 944 { 945 struct iwl_mvm *mvm = file->private_data; 946 int pos = 0; 947 char buf[32]; 948 const size_t bufsz = sizeof(buf); 949 950 /* print which antennas were set for the scan command by the user */ 951 pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: "); 952 if (mvm->scan_rx_ant & ANT_A) 953 pos += scnprintf(buf + pos, bufsz - pos, "A"); 954 if (mvm->scan_rx_ant & ANT_B) 955 pos += scnprintf(buf + pos, bufsz - pos, "B"); 956 if (mvm->scan_rx_ant & ANT_C) 957 pos += scnprintf(buf + pos, bufsz - pos, "C"); 958 pos += scnprintf(buf + pos, bufsz - pos, " (%hhx)\n", mvm->scan_rx_ant); 959 960 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 961 } 962 963 static ssize_t 964 iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf, 965 size_t count, loff_t *ppos) 966 { 967 u8 scan_rx_ant; 968 969 if (sscanf(buf, "%hhx", &scan_rx_ant) != 1) 970 return -EINVAL; 971 if (scan_rx_ant > ANT_ABC) 972 return -EINVAL; 973 if (scan_rx_ant & ~(iwl_mvm_get_valid_rx_ant(mvm))) 974 return -EINVAL; 975 976 if (mvm->scan_rx_ant != scan_rx_ant) { 977 mvm->scan_rx_ant = scan_rx_ant; 978 if (fw_has_capa(&mvm->fw->ucode_capa, 979 IWL_UCODE_TLV_CAPA_UMAC_SCAN)) 980 iwl_mvm_config_scan(mvm); 981 } 982 983 return count; 984 } 985 986 static ssize_t iwl_dbgfs_indirection_tbl_write(struct iwl_mvm *mvm, 987 char *buf, size_t count, 988 loff_t *ppos) 989 { 990 struct iwl_rss_config_cmd cmd = { 991 .flags = cpu_to_le32(IWL_RSS_ENABLE), 992 .hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP | 993 IWL_RSS_HASH_TYPE_IPV4_PAYLOAD | 994 IWL_RSS_HASH_TYPE_IPV6_TCP | 995 IWL_RSS_HASH_TYPE_IPV6_PAYLOAD, 996 }; 997 int ret, i, num_repeats, nbytes = count / 2; 998 999 ret = hex2bin(cmd.indirection_table, buf, nbytes); 1000 if (ret) 1001 return ret; 1002 1003 /* 1004 * The input is the redirection table, partial or full. 1005 * Repeat the pattern if needed. 1006 * For example, input of 01020F will be repeated 42 times, 1007 * indirecting RSS hash results to queues 1, 2, 15 (skipping 1008 * queues 3 - 14). 1009 */ 1010 num_repeats = ARRAY_SIZE(cmd.indirection_table) / nbytes; 1011 for (i = 1; i < num_repeats; i++) 1012 memcpy(&cmd.indirection_table[i * nbytes], 1013 cmd.indirection_table, nbytes); 1014 /* handle cut in the middle pattern for the last places */ 1015 memcpy(&cmd.indirection_table[i * nbytes], cmd.indirection_table, 1016 ARRAY_SIZE(cmd.indirection_table) % nbytes); 1017 1018 memcpy(cmd.secret_key, mvm->secret_key, sizeof(cmd.secret_key)); 1019 1020 mutex_lock(&mvm->mutex); 1021 ret = iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd); 1022 mutex_unlock(&mvm->mutex); 1023 1024 return ret ?: count; 1025 } 1026 1027 static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file, 1028 char __user *user_buf, 1029 size_t count, loff_t *ppos) 1030 { 1031 struct iwl_mvm *mvm = file->private_data; 1032 int conf; 1033 char buf[8]; 1034 const size_t bufsz = sizeof(buf); 1035 int pos = 0; 1036 1037 mutex_lock(&mvm->mutex); 1038 conf = mvm->fw_dbg_conf; 1039 mutex_unlock(&mvm->mutex); 1040 1041 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", conf); 1042 1043 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1044 } 1045 1046 /* 1047 * Enable / Disable continuous recording. 1048 * Cause the FW to start continuous recording, by sending the relevant hcmd. 1049 * Enable: input of every integer larger than 0, ENABLE_CONT_RECORDING. 1050 * Disable: for 0 as input, DISABLE_CONT_RECORDING. 1051 */ 1052 static ssize_t iwl_dbgfs_cont_recording_write(struct iwl_mvm *mvm, 1053 char *buf, size_t count, 1054 loff_t *ppos) 1055 { 1056 struct iwl_trans *trans = mvm->trans; 1057 const struct iwl_fw_dbg_dest_tlv *dest = trans->dbg_dest_tlv; 1058 struct iwl_continuous_record_cmd cont_rec = {}; 1059 int ret, rec_mode; 1060 1061 if (!dest) 1062 return -EOPNOTSUPP; 1063 1064 if (dest->monitor_mode != SMEM_MODE || 1065 trans->cfg->device_family != IWL_DEVICE_FAMILY_8000) 1066 return -EOPNOTSUPP; 1067 1068 ret = kstrtoint(buf, 0, &rec_mode); 1069 if (ret) 1070 return ret; 1071 1072 cont_rec.record_mode.enable_recording = rec_mode ? 1073 cpu_to_le16(ENABLE_CONT_RECORDING) : 1074 cpu_to_le16(DISABLE_CONT_RECORDING); 1075 1076 mutex_lock(&mvm->mutex); 1077 ret = iwl_mvm_send_cmd_pdu(mvm, LDBG_CONFIG_CMD, 0, 1078 sizeof(cont_rec), &cont_rec); 1079 mutex_unlock(&mvm->mutex); 1080 1081 return ret ?: count; 1082 } 1083 1084 static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm, 1085 char *buf, size_t count, 1086 loff_t *ppos) 1087 { 1088 unsigned int conf_id; 1089 int ret; 1090 1091 ret = kstrtouint(buf, 0, &conf_id); 1092 if (ret) 1093 return ret; 1094 1095 if (WARN_ON(conf_id >= FW_DBG_CONF_MAX)) 1096 return -EINVAL; 1097 1098 mutex_lock(&mvm->mutex); 1099 ret = iwl_mvm_start_fw_dbg_conf(mvm, conf_id); 1100 mutex_unlock(&mvm->mutex); 1101 1102 return ret ?: count; 1103 } 1104 1105 static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm, 1106 char *buf, size_t count, 1107 loff_t *ppos) 1108 { 1109 int ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE); 1110 1111 if (ret) 1112 return ret; 1113 1114 iwl_mvm_fw_dbg_collect(mvm, FW_DBG_TRIGGER_USER, buf, 1115 (count - 1), NULL); 1116 1117 iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE); 1118 1119 return count; 1120 } 1121 1122 static ssize_t iwl_dbgfs_max_amsdu_len_write(struct iwl_mvm *mvm, 1123 char *buf, size_t count, 1124 loff_t *ppos) 1125 { 1126 unsigned int max_amsdu_len; 1127 int ret; 1128 1129 ret = kstrtouint(buf, 0, &max_amsdu_len); 1130 1131 if (max_amsdu_len > IEEE80211_MAX_MPDU_LEN_VHT_11454) 1132 return -EINVAL; 1133 mvm->max_amsdu_len = max_amsdu_len; 1134 1135 return count; 1136 } 1137 1138 #define ADD_TEXT(...) pos += scnprintf(buf + pos, bufsz - pos, __VA_ARGS__) 1139 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 1140 static ssize_t iwl_dbgfs_bcast_filters_read(struct file *file, 1141 char __user *user_buf, 1142 size_t count, loff_t *ppos) 1143 { 1144 struct iwl_mvm *mvm = file->private_data; 1145 struct iwl_bcast_filter_cmd cmd; 1146 const struct iwl_fw_bcast_filter *filter; 1147 char *buf; 1148 int bufsz = 1024; 1149 int i, j, pos = 0; 1150 ssize_t ret; 1151 1152 buf = kzalloc(bufsz, GFP_KERNEL); 1153 if (!buf) 1154 return -ENOMEM; 1155 1156 mutex_lock(&mvm->mutex); 1157 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) { 1158 ADD_TEXT("None\n"); 1159 mutex_unlock(&mvm->mutex); 1160 goto out; 1161 } 1162 mutex_unlock(&mvm->mutex); 1163 1164 for (i = 0; cmd.filters[i].attrs[0].mask; i++) { 1165 filter = &cmd.filters[i]; 1166 1167 ADD_TEXT("Filter [%d]:\n", i); 1168 ADD_TEXT("\tDiscard=%d\n", filter->discard); 1169 ADD_TEXT("\tFrame Type: %s\n", 1170 filter->frame_type ? "IPv4" : "Generic"); 1171 1172 for (j = 0; j < ARRAY_SIZE(filter->attrs); j++) { 1173 const struct iwl_fw_bcast_filter_attr *attr; 1174 1175 attr = &filter->attrs[j]; 1176 if (!attr->mask) 1177 break; 1178 1179 ADD_TEXT("\tAttr [%d]: offset=%d (from %s), mask=0x%x, value=0x%x reserved=0x%x\n", 1180 j, attr->offset, 1181 attr->offset_type ? "IP End" : 1182 "Payload Start", 1183 be32_to_cpu(attr->mask), 1184 be32_to_cpu(attr->val), 1185 le16_to_cpu(attr->reserved1)); 1186 } 1187 } 1188 out: 1189 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1190 kfree(buf); 1191 return ret; 1192 } 1193 1194 static ssize_t iwl_dbgfs_bcast_filters_write(struct iwl_mvm *mvm, char *buf, 1195 size_t count, loff_t *ppos) 1196 { 1197 int pos, next_pos; 1198 struct iwl_fw_bcast_filter filter = {}; 1199 struct iwl_bcast_filter_cmd cmd; 1200 u32 filter_id, attr_id, mask, value; 1201 int err = 0; 1202 1203 if (sscanf(buf, "%d %hhi %hhi %n", &filter_id, &filter.discard, 1204 &filter.frame_type, &pos) != 3) 1205 return -EINVAL; 1206 1207 if (filter_id >= ARRAY_SIZE(mvm->dbgfs_bcast_filtering.cmd.filters) || 1208 filter.frame_type > BCAST_FILTER_FRAME_TYPE_IPV4) 1209 return -EINVAL; 1210 1211 for (attr_id = 0; attr_id < ARRAY_SIZE(filter.attrs); 1212 attr_id++) { 1213 struct iwl_fw_bcast_filter_attr *attr = 1214 &filter.attrs[attr_id]; 1215 1216 if (pos >= count) 1217 break; 1218 1219 if (sscanf(&buf[pos], "%hhi %hhi %i %i %n", 1220 &attr->offset, &attr->offset_type, 1221 &mask, &value, &next_pos) != 4) 1222 return -EINVAL; 1223 1224 attr->mask = cpu_to_be32(mask); 1225 attr->val = cpu_to_be32(value); 1226 if (mask) 1227 filter.num_attrs++; 1228 1229 pos += next_pos; 1230 } 1231 1232 mutex_lock(&mvm->mutex); 1233 memcpy(&mvm->dbgfs_bcast_filtering.cmd.filters[filter_id], 1234 &filter, sizeof(filter)); 1235 1236 /* send updated bcast filtering configuration */ 1237 if (mvm->dbgfs_bcast_filtering.override && 1238 iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) 1239 err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0, 1240 sizeof(cmd), &cmd); 1241 mutex_unlock(&mvm->mutex); 1242 1243 return err ?: count; 1244 } 1245 1246 static ssize_t iwl_dbgfs_bcast_filters_macs_read(struct file *file, 1247 char __user *user_buf, 1248 size_t count, loff_t *ppos) 1249 { 1250 struct iwl_mvm *mvm = file->private_data; 1251 struct iwl_bcast_filter_cmd cmd; 1252 char *buf; 1253 int bufsz = 1024; 1254 int i, pos = 0; 1255 ssize_t ret; 1256 1257 buf = kzalloc(bufsz, GFP_KERNEL); 1258 if (!buf) 1259 return -ENOMEM; 1260 1261 mutex_lock(&mvm->mutex); 1262 if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) { 1263 ADD_TEXT("None\n"); 1264 mutex_unlock(&mvm->mutex); 1265 goto out; 1266 } 1267 mutex_unlock(&mvm->mutex); 1268 1269 for (i = 0; i < ARRAY_SIZE(cmd.macs); i++) { 1270 const struct iwl_fw_bcast_mac *mac = &cmd.macs[i]; 1271 1272 ADD_TEXT("Mac [%d]: discard=%d attached_filters=0x%x\n", 1273 i, mac->default_discard, mac->attached_filters); 1274 } 1275 out: 1276 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1277 kfree(buf); 1278 return ret; 1279 } 1280 1281 static ssize_t iwl_dbgfs_bcast_filters_macs_write(struct iwl_mvm *mvm, 1282 char *buf, size_t count, 1283 loff_t *ppos) 1284 { 1285 struct iwl_bcast_filter_cmd cmd; 1286 struct iwl_fw_bcast_mac mac = {}; 1287 u32 mac_id, attached_filters; 1288 int err = 0; 1289 1290 if (!mvm->bcast_filters) 1291 return -ENOENT; 1292 1293 if (sscanf(buf, "%d %hhi %i", &mac_id, &mac.default_discard, 1294 &attached_filters) != 3) 1295 return -EINVAL; 1296 1297 if (mac_id >= ARRAY_SIZE(cmd.macs) || 1298 mac.default_discard > 1 || 1299 attached_filters >= BIT(ARRAY_SIZE(cmd.filters))) 1300 return -EINVAL; 1301 1302 mac.attached_filters = cpu_to_le16(attached_filters); 1303 1304 mutex_lock(&mvm->mutex); 1305 memcpy(&mvm->dbgfs_bcast_filtering.cmd.macs[mac_id], 1306 &mac, sizeof(mac)); 1307 1308 /* send updated bcast filtering configuration */ 1309 if (mvm->dbgfs_bcast_filtering.override && 1310 iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) 1311 err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0, 1312 sizeof(cmd), &cmd); 1313 mutex_unlock(&mvm->mutex); 1314 1315 return err ?: count; 1316 } 1317 #endif 1318 1319 #ifdef CONFIG_PM_SLEEP 1320 static ssize_t iwl_dbgfs_d3_sram_write(struct iwl_mvm *mvm, char *buf, 1321 size_t count, loff_t *ppos) 1322 { 1323 int store; 1324 1325 if (sscanf(buf, "%d", &store) != 1) 1326 return -EINVAL; 1327 1328 mvm->store_d3_resume_sram = store; 1329 1330 return count; 1331 } 1332 1333 static ssize_t iwl_dbgfs_d3_sram_read(struct file *file, char __user *user_buf, 1334 size_t count, loff_t *ppos) 1335 { 1336 struct iwl_mvm *mvm = file->private_data; 1337 const struct fw_img *img; 1338 int ofs, len, pos = 0; 1339 size_t bufsz, ret; 1340 char *buf; 1341 u8 *ptr = mvm->d3_resume_sram; 1342 1343 img = &mvm->fw->img[IWL_UCODE_WOWLAN]; 1344 len = img->sec[IWL_UCODE_SECTION_DATA].len; 1345 1346 bufsz = len * 4 + 256; 1347 buf = kzalloc(bufsz, GFP_KERNEL); 1348 if (!buf) 1349 return -ENOMEM; 1350 1351 pos += scnprintf(buf, bufsz, "D3 SRAM capture: %sabled\n", 1352 mvm->store_d3_resume_sram ? "en" : "dis"); 1353 1354 if (ptr) { 1355 for (ofs = 0; ofs < len; ofs += 16) { 1356 pos += scnprintf(buf + pos, bufsz - pos, 1357 "0x%.4x %16ph\n", ofs, ptr + ofs); 1358 } 1359 } else { 1360 pos += scnprintf(buf + pos, bufsz - pos, 1361 "(no data captured)\n"); 1362 } 1363 1364 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1365 1366 kfree(buf); 1367 1368 return ret; 1369 } 1370 #endif 1371 1372 #define PRINT_MVM_REF(ref) do { \ 1373 if (mvm->refs[ref]) \ 1374 pos += scnprintf(buf + pos, bufsz - pos, \ 1375 "\t(0x%lx): %d %s\n", \ 1376 BIT(ref), mvm->refs[ref], #ref); \ 1377 } while (0) 1378 1379 static ssize_t iwl_dbgfs_d0i3_refs_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 int i, pos = 0; 1385 char buf[256]; 1386 const size_t bufsz = sizeof(buf); 1387 u32 refs = 0; 1388 1389 for (i = 0; i < IWL_MVM_REF_COUNT; i++) 1390 if (mvm->refs[i]) 1391 refs |= BIT(i); 1392 1393 pos += scnprintf(buf + pos, bufsz - pos, "taken mvm refs: 0x%x\n", 1394 refs); 1395 1396 PRINT_MVM_REF(IWL_MVM_REF_UCODE_DOWN); 1397 PRINT_MVM_REF(IWL_MVM_REF_SCAN); 1398 PRINT_MVM_REF(IWL_MVM_REF_ROC); 1399 PRINT_MVM_REF(IWL_MVM_REF_ROC_AUX); 1400 PRINT_MVM_REF(IWL_MVM_REF_P2P_CLIENT); 1401 PRINT_MVM_REF(IWL_MVM_REF_AP_IBSS); 1402 PRINT_MVM_REF(IWL_MVM_REF_USER); 1403 PRINT_MVM_REF(IWL_MVM_REF_TX); 1404 PRINT_MVM_REF(IWL_MVM_REF_TX_AGG); 1405 PRINT_MVM_REF(IWL_MVM_REF_ADD_IF); 1406 PRINT_MVM_REF(IWL_MVM_REF_START_AP); 1407 PRINT_MVM_REF(IWL_MVM_REF_BSS_CHANGED); 1408 PRINT_MVM_REF(IWL_MVM_REF_PREPARE_TX); 1409 PRINT_MVM_REF(IWL_MVM_REF_PROTECT_TDLS); 1410 PRINT_MVM_REF(IWL_MVM_REF_CHECK_CTKILL); 1411 PRINT_MVM_REF(IWL_MVM_REF_PRPH_READ); 1412 PRINT_MVM_REF(IWL_MVM_REF_PRPH_WRITE); 1413 PRINT_MVM_REF(IWL_MVM_REF_NMI); 1414 PRINT_MVM_REF(IWL_MVM_REF_TM_CMD); 1415 PRINT_MVM_REF(IWL_MVM_REF_EXIT_WORK); 1416 PRINT_MVM_REF(IWL_MVM_REF_PROTECT_CSA); 1417 PRINT_MVM_REF(IWL_MVM_REF_FW_DBG_COLLECT); 1418 PRINT_MVM_REF(IWL_MVM_REF_INIT_UCODE); 1419 1420 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1421 } 1422 1423 static ssize_t iwl_dbgfs_d0i3_refs_write(struct iwl_mvm *mvm, char *buf, 1424 size_t count, loff_t *ppos) 1425 { 1426 unsigned long value; 1427 int ret; 1428 bool taken; 1429 1430 ret = kstrtoul(buf, 10, &value); 1431 if (ret < 0) 1432 return ret; 1433 1434 mutex_lock(&mvm->mutex); 1435 1436 taken = mvm->refs[IWL_MVM_REF_USER]; 1437 if (value == 1 && !taken) 1438 iwl_mvm_ref(mvm, IWL_MVM_REF_USER); 1439 else if (value == 0 && taken) 1440 iwl_mvm_unref(mvm, IWL_MVM_REF_USER); 1441 else 1442 ret = -EINVAL; 1443 1444 mutex_unlock(&mvm->mutex); 1445 1446 if (ret < 0) 1447 return ret; 1448 return count; 1449 } 1450 1451 #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \ 1452 _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm) 1453 #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \ 1454 _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm) 1455 #define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do { \ 1456 if (!debugfs_create_file(alias, mode, parent, mvm, \ 1457 &iwl_dbgfs_##name##_ops)) \ 1458 goto err; \ 1459 } while (0) 1460 #define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \ 1461 MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode) 1462 1463 static ssize_t 1464 iwl_dbgfs_prph_reg_read(struct file *file, 1465 char __user *user_buf, 1466 size_t count, loff_t *ppos) 1467 { 1468 struct iwl_mvm *mvm = file->private_data; 1469 int pos = 0; 1470 char buf[32]; 1471 const size_t bufsz = sizeof(buf); 1472 int ret; 1473 1474 if (!mvm->dbgfs_prph_reg_addr) 1475 return -EINVAL; 1476 1477 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_READ); 1478 if (ret) 1479 return ret; 1480 1481 pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n", 1482 mvm->dbgfs_prph_reg_addr, 1483 iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr)); 1484 1485 iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_READ); 1486 1487 return simple_read_from_buffer(user_buf, count, ppos, buf, pos); 1488 } 1489 1490 static ssize_t 1491 iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf, 1492 size_t count, loff_t *ppos) 1493 { 1494 u8 args; 1495 u32 value; 1496 int ret; 1497 1498 args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value); 1499 /* if we only want to set the reg address - nothing more to do */ 1500 if (args == 1) 1501 goto out; 1502 1503 /* otherwise, make sure we have both address and value */ 1504 if (args != 2) 1505 return -EINVAL; 1506 1507 ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE); 1508 if (ret) 1509 return ret; 1510 1511 iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value); 1512 1513 iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE); 1514 out: 1515 return count; 1516 } 1517 1518 static ssize_t 1519 iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm *mvm, char *buf, 1520 size_t count, loff_t *ppos) 1521 { 1522 int ret; 1523 1524 mutex_lock(&mvm->mutex); 1525 ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL); 1526 mutex_unlock(&mvm->mutex); 1527 1528 return ret ?: count; 1529 } 1530 1531 MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64); 1532 1533 /* Device wide debugfs entries */ 1534 MVM_DEBUGFS_READ_FILE_OPS(ctdp_budget); 1535 MVM_DEBUGFS_WRITE_FILE_OPS(stop_ctdp, 8); 1536 MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16); 1537 MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8); 1538 MVM_DEBUGFS_WRITE_FILE_OPS(send_echo_cmd, 8); 1539 MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64); 1540 MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64); 1541 MVM_DEBUGFS_READ_FILE_OPS(nic_temp); 1542 MVM_DEBUGFS_READ_FILE_OPS(stations); 1543 MVM_DEBUGFS_READ_FILE_OPS(bt_notif); 1544 MVM_DEBUGFS_READ_FILE_OPS(bt_cmd); 1545 MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64); 1546 MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats); 1547 MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats); 1548 MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10); 1549 MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10); 1550 MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10); 1551 MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10); 1552 MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8); 1553 MVM_DEBUGFS_READ_WRITE_FILE_OPS(d0i3_refs, 8); 1554 MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8); 1555 MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 64); 1556 MVM_DEBUGFS_WRITE_FILE_OPS(cont_recording, 8); 1557 MVM_DEBUGFS_WRITE_FILE_OPS(max_amsdu_len, 8); 1558 MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl, 1559 (IWL_RSS_INDIRECTION_TABLE_SIZE * 2)); 1560 1561 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 1562 MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters, 256); 1563 MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters_macs, 256); 1564 #endif 1565 1566 #ifdef CONFIG_PM_SLEEP 1567 MVM_DEBUGFS_READ_WRITE_FILE_OPS(d3_sram, 8); 1568 #endif 1569 1570 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) 1571 { 1572 struct dentry *bcast_dir __maybe_unused; 1573 char buf[100]; 1574 1575 spin_lock_init(&mvm->drv_stats_lock); 1576 1577 mvm->debugfs_dir = dbgfs_dir; 1578 1579 MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, S_IWUSR); 1580 MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, S_IWUSR); 1581 MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, S_IWUSR | S_IRUSR); 1582 MVM_DEBUGFS_ADD_FILE(set_nic_temperature, mvm->debugfs_dir, 1583 S_IWUSR | S_IRUSR); 1584 MVM_DEBUGFS_ADD_FILE(nic_temp, dbgfs_dir, S_IRUSR); 1585 MVM_DEBUGFS_ADD_FILE(ctdp_budget, dbgfs_dir, S_IRUSR); 1586 MVM_DEBUGFS_ADD_FILE(stop_ctdp, dbgfs_dir, S_IWUSR); 1587 MVM_DEBUGFS_ADD_FILE(stations, dbgfs_dir, S_IRUSR); 1588 MVM_DEBUGFS_ADD_FILE(bt_notif, dbgfs_dir, S_IRUSR); 1589 MVM_DEBUGFS_ADD_FILE(bt_cmd, dbgfs_dir, S_IRUSR); 1590 MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir, 1591 S_IRUSR | S_IWUSR); 1592 MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, S_IRUSR); 1593 MVM_DEBUGFS_ADD_FILE(drv_rx_stats, mvm->debugfs_dir, S_IRUSR); 1594 MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, S_IWUSR); 1595 MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, S_IWUSR); 1596 MVM_DEBUGFS_ADD_FILE(bt_tx_prio, mvm->debugfs_dir, S_IWUSR); 1597 MVM_DEBUGFS_ADD_FILE(bt_force_ant, mvm->debugfs_dir, S_IWUSR); 1598 MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir, 1599 S_IWUSR | S_IRUSR); 1600 MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, S_IWUSR | S_IRUSR); 1601 MVM_DEBUGFS_ADD_FILE(d0i3_refs, mvm->debugfs_dir, S_IRUSR | S_IWUSR); 1602 MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, S_IRUSR | S_IWUSR); 1603 MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, S_IWUSR); 1604 MVM_DEBUGFS_ADD_FILE(max_amsdu_len, mvm->debugfs_dir, S_IWUSR); 1605 MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, S_IWUSR); 1606 MVM_DEBUGFS_ADD_FILE(cont_recording, mvm->debugfs_dir, S_IWUSR); 1607 MVM_DEBUGFS_ADD_FILE(indirection_tbl, mvm->debugfs_dir, S_IWUSR); 1608 if (!debugfs_create_bool("enable_scan_iteration_notif", 1609 S_IRUSR | S_IWUSR, 1610 mvm->debugfs_dir, 1611 &mvm->scan_iter_notif_enabled)) 1612 goto err; 1613 if (!debugfs_create_bool("drop_bcn_ap_mode", S_IRUSR | S_IWUSR, 1614 mvm->debugfs_dir, &mvm->drop_bcn_ap_mode)) 1615 goto err; 1616 1617 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 1618 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING) { 1619 bcast_dir = debugfs_create_dir("bcast_filtering", 1620 mvm->debugfs_dir); 1621 if (!bcast_dir) 1622 goto err; 1623 1624 if (!debugfs_create_bool("override", S_IRUSR | S_IWUSR, 1625 bcast_dir, 1626 &mvm->dbgfs_bcast_filtering.override)) 1627 goto err; 1628 1629 MVM_DEBUGFS_ADD_FILE_ALIAS("filters", bcast_filters, 1630 bcast_dir, S_IWUSR | S_IRUSR); 1631 MVM_DEBUGFS_ADD_FILE_ALIAS("macs", bcast_filters_macs, 1632 bcast_dir, S_IWUSR | S_IRUSR); 1633 } 1634 #endif 1635 1636 #ifdef CONFIG_PM_SLEEP 1637 MVM_DEBUGFS_ADD_FILE(d3_sram, mvm->debugfs_dir, S_IRUSR | S_IWUSR); 1638 MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, S_IRUSR); 1639 if (!debugfs_create_bool("d3_wake_sysassert", S_IRUSR | S_IWUSR, 1640 mvm->debugfs_dir, &mvm->d3_wake_sysassert)) 1641 goto err; 1642 if (!debugfs_create_u32("last_netdetect_scans", S_IRUSR, 1643 mvm->debugfs_dir, &mvm->last_netdetect_scans)) 1644 goto err; 1645 #endif 1646 1647 if (!debugfs_create_u8("ps_disabled", S_IRUSR, 1648 mvm->debugfs_dir, &mvm->ps_disabled)) 1649 goto err; 1650 if (!debugfs_create_blob("nvm_hw", S_IRUSR, 1651 mvm->debugfs_dir, &mvm->nvm_hw_blob)) 1652 goto err; 1653 if (!debugfs_create_blob("nvm_sw", S_IRUSR, 1654 mvm->debugfs_dir, &mvm->nvm_sw_blob)) 1655 goto err; 1656 if (!debugfs_create_blob("nvm_calib", S_IRUSR, 1657 mvm->debugfs_dir, &mvm->nvm_calib_blob)) 1658 goto err; 1659 if (!debugfs_create_blob("nvm_prod", S_IRUSR, 1660 mvm->debugfs_dir, &mvm->nvm_prod_blob)) 1661 goto err; 1662 if (!debugfs_create_blob("nvm_phy_sku", S_IRUSR, 1663 mvm->debugfs_dir, &mvm->nvm_phy_sku_blob)) 1664 goto err; 1665 1666 /* 1667 * Create a symlink with mac80211. It will be removed when mac80211 1668 * exists (before the opmode exists which removes the target.) 1669 */ 1670 snprintf(buf, 100, "../../%s/%s", 1671 dbgfs_dir->d_parent->d_parent->d_name.name, 1672 dbgfs_dir->d_parent->d_name.name); 1673 if (!debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, buf)) 1674 goto err; 1675 1676 return 0; 1677 err: 1678 IWL_ERR(mvm, "Can't create the mvm debugfs directory\n"); 1679 return -ENOMEM; 1680 } 1681