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) 2007 - 2014 Intel Corporation. All rights reserved. 9 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 10 * Copyright(c) 2016 - 2017 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) 2005 - 2014 Intel Corporation. All rights reserved. 36 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 37 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 38 * All rights reserved. 39 * 40 * Redistribution and use in source and binary forms, with or without 41 * modification, are permitted provided that the following conditions 42 * are met: 43 * 44 * * Redistributions of source code must retain the above copyright 45 * notice, this list of conditions and the following disclaimer. 46 * * Redistributions in binary form must reproduce the above copyright 47 * notice, this list of conditions and the following disclaimer in 48 * the documentation and/or other materials provided with the 49 * distribution. 50 * * Neither the name Intel Corporation nor the names of its 51 * contributors may be used to endorse or promote products derived 52 * from this software without specific prior written permission. 53 * 54 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 55 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 56 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 57 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 58 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 59 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 60 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 61 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 62 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 63 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 64 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 65 * 66 *****************************************************************************/ 67 #include <linux/completion.h> 68 #include <linux/dma-mapping.h> 69 #include <linux/firmware.h> 70 #include <linux/module.h> 71 #include <linux/vmalloc.h> 72 73 #include "iwl-drv.h" 74 #include "iwl-csr.h" 75 #include "iwl-debug.h" 76 #include "iwl-trans.h" 77 #include "iwl-op-mode.h" 78 #include "iwl-agn-hw.h" 79 #include "fw/img.h" 80 #include "iwl-config.h" 81 #include "iwl-modparams.h" 82 83 /****************************************************************************** 84 * 85 * module boiler plate 86 * 87 ******************************************************************************/ 88 89 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux" 90 MODULE_DESCRIPTION(DRV_DESCRIPTION); 91 MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); 92 MODULE_LICENSE("GPL"); 93 94 #ifdef CONFIG_IWLWIFI_DEBUGFS 95 static struct dentry *iwl_dbgfs_root; 96 #endif 97 98 /** 99 * struct iwl_drv - drv common data 100 * @list: list of drv structures using this opmode 101 * @fw: the iwl_fw structure 102 * @op_mode: the running op_mode 103 * @trans: transport layer 104 * @dev: for debug prints only 105 * @fw_index: firmware revision to try loading 106 * @firmware_name: composite filename of ucode file to load 107 * @request_firmware_complete: the firmware has been obtained from user space 108 */ 109 struct iwl_drv { 110 struct list_head list; 111 struct iwl_fw fw; 112 113 struct iwl_op_mode *op_mode; 114 struct iwl_trans *trans; 115 struct device *dev; 116 117 int fw_index; /* firmware we're trying to load */ 118 char firmware_name[64]; /* name of firmware file to load */ 119 120 struct completion request_firmware_complete; 121 122 #ifdef CONFIG_IWLWIFI_DEBUGFS 123 struct dentry *dbgfs_drv; 124 struct dentry *dbgfs_trans; 125 struct dentry *dbgfs_op_mode; 126 #endif 127 }; 128 129 enum { 130 DVM_OP_MODE, 131 MVM_OP_MODE, 132 }; 133 134 /* Protects the table contents, i.e. the ops pointer & drv list */ 135 static struct mutex iwlwifi_opmode_table_mtx; 136 static struct iwlwifi_opmode_table { 137 const char *name; /* name: iwldvm, iwlmvm, etc */ 138 const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */ 139 struct list_head drv; /* list of devices using this op_mode */ 140 } iwlwifi_opmode_table[] = { /* ops set when driver is initialized */ 141 [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL }, 142 [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL }, 143 }; 144 145 #define IWL_DEFAULT_SCAN_CHANNELS 40 146 147 /* 148 * struct fw_sec: Just for the image parsing process. 149 * For the fw storage we are using struct fw_desc. 150 */ 151 struct fw_sec { 152 const void *data; /* the sec data */ 153 size_t size; /* section size */ 154 u32 offset; /* offset of writing in the device */ 155 }; 156 157 static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc) 158 { 159 vfree(desc->data); 160 desc->data = NULL; 161 desc->len = 0; 162 } 163 164 static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img) 165 { 166 int i; 167 for (i = 0; i < img->num_sec; i++) 168 iwl_free_fw_desc(drv, &img->sec[i]); 169 kfree(img->sec); 170 } 171 172 static void iwl_dealloc_ucode(struct iwl_drv *drv) 173 { 174 int i; 175 176 kfree(drv->fw.dbg_dest_tlv); 177 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++) 178 kfree(drv->fw.dbg_conf_tlv[i]); 179 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++) 180 kfree(drv->fw.dbg_trigger_tlv[i]); 181 kfree(drv->fw.dbg_mem_tlv); 182 183 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 184 iwl_free_fw_img(drv, drv->fw.img + i); 185 } 186 187 static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc, 188 struct fw_sec *sec) 189 { 190 void *data; 191 192 desc->data = NULL; 193 194 if (!sec || !sec->size) 195 return -EINVAL; 196 197 data = vmalloc(sec->size); 198 if (!data) 199 return -ENOMEM; 200 201 desc->len = sec->size; 202 desc->offset = sec->offset; 203 memcpy(data, sec->data, desc->len); 204 desc->data = data; 205 206 return 0; 207 } 208 209 static void iwl_req_fw_callback(const struct firmware *ucode_raw, 210 void *context); 211 212 static int iwl_request_firmware(struct iwl_drv *drv, bool first) 213 { 214 const struct iwl_cfg *cfg = drv->trans->cfg; 215 char tag[8]; 216 const char *fw_pre_name; 217 218 if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_9000 && 219 CSR_HW_REV_STEP(drv->trans->hw_rev) == SILICON_B_STEP) 220 fw_pre_name = cfg->fw_name_pre_next_step; 221 else if (drv->trans->cfg->integrated && 222 CSR_HW_RFID_STEP(drv->trans->hw_rf_id) == SILICON_B_STEP && 223 cfg->fw_name_pre_rf_next_step) 224 fw_pre_name = cfg->fw_name_pre_rf_next_step; 225 else 226 fw_pre_name = cfg->fw_name_pre; 227 228 if (first) { 229 drv->fw_index = cfg->ucode_api_max; 230 sprintf(tag, "%d", drv->fw_index); 231 } else { 232 drv->fw_index--; 233 sprintf(tag, "%d", drv->fw_index); 234 } 235 236 if (drv->fw_index < cfg->ucode_api_min) { 237 IWL_ERR(drv, "no suitable firmware found!\n"); 238 239 if (cfg->ucode_api_min == cfg->ucode_api_max) { 240 IWL_ERR(drv, "%s%d is required\n", fw_pre_name, 241 cfg->ucode_api_max); 242 } else { 243 IWL_ERR(drv, "minimum version required: %s%d\n", 244 fw_pre_name, 245 cfg->ucode_api_min); 246 IWL_ERR(drv, "maximum version supported: %s%d\n", 247 fw_pre_name, 248 cfg->ucode_api_max); 249 } 250 251 IWL_ERR(drv, 252 "check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git\n"); 253 return -ENOENT; 254 } 255 256 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode", 257 fw_pre_name, tag); 258 259 IWL_DEBUG_INFO(drv, "attempting to load firmware '%s'\n", 260 drv->firmware_name); 261 262 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name, 263 drv->trans->dev, 264 GFP_KERNEL, drv, iwl_req_fw_callback); 265 } 266 267 struct fw_img_parsing { 268 struct fw_sec *sec; 269 int sec_counter; 270 }; 271 272 /* 273 * struct fw_sec_parsing: to extract fw section and it's offset from tlv 274 */ 275 struct fw_sec_parsing { 276 __le32 offset; 277 const u8 data[]; 278 } __packed; 279 280 /** 281 * struct iwl_tlv_calib_data - parse the default calib data from TLV 282 * 283 * @ucode_type: the uCode to which the following default calib relates. 284 * @calib: default calibrations. 285 */ 286 struct iwl_tlv_calib_data { 287 __le32 ucode_type; 288 struct iwl_tlv_calib_ctrl calib; 289 } __packed; 290 291 struct iwl_firmware_pieces { 292 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX]; 293 294 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; 295 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; 296 297 /* FW debug data parsed for driver usage */ 298 struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv; 299 struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX]; 300 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX]; 301 struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX]; 302 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX]; 303 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv; 304 size_t n_dbg_mem_tlv; 305 }; 306 307 /* 308 * These functions are just to extract uCode section data from the pieces 309 * structure. 310 */ 311 static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces, 312 enum iwl_ucode_type type, 313 int sec) 314 { 315 return &pieces->img[type].sec[sec]; 316 } 317 318 static void alloc_sec_data(struct iwl_firmware_pieces *pieces, 319 enum iwl_ucode_type type, 320 int sec) 321 { 322 struct fw_img_parsing *img = &pieces->img[type]; 323 struct fw_sec *sec_memory; 324 int size = sec + 1; 325 size_t alloc_size = sizeof(*img->sec) * size; 326 327 if (img->sec && img->sec_counter >= size) 328 return; 329 330 sec_memory = krealloc(img->sec, alloc_size, GFP_KERNEL); 331 if (!sec_memory) 332 return; 333 334 img->sec = sec_memory; 335 img->sec_counter = size; 336 } 337 338 static void set_sec_data(struct iwl_firmware_pieces *pieces, 339 enum iwl_ucode_type type, 340 int sec, 341 const void *data) 342 { 343 alloc_sec_data(pieces, type, sec); 344 345 pieces->img[type].sec[sec].data = data; 346 } 347 348 static void set_sec_size(struct iwl_firmware_pieces *pieces, 349 enum iwl_ucode_type type, 350 int sec, 351 size_t size) 352 { 353 alloc_sec_data(pieces, type, sec); 354 355 pieces->img[type].sec[sec].size = size; 356 } 357 358 static size_t get_sec_size(struct iwl_firmware_pieces *pieces, 359 enum iwl_ucode_type type, 360 int sec) 361 { 362 return pieces->img[type].sec[sec].size; 363 } 364 365 static void set_sec_offset(struct iwl_firmware_pieces *pieces, 366 enum iwl_ucode_type type, 367 int sec, 368 u32 offset) 369 { 370 alloc_sec_data(pieces, type, sec); 371 372 pieces->img[type].sec[sec].offset = offset; 373 } 374 375 static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len) 376 { 377 int i, j; 378 struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data; 379 struct iwl_fw_cipher_scheme *fwcs; 380 381 if (len < sizeof(*l) || 382 len < sizeof(l->size) + l->size * sizeof(l->cs[0])) 383 return -EINVAL; 384 385 for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) { 386 fwcs = &l->cs[j]; 387 388 /* we skip schemes with zero cipher suite selector */ 389 if (!fwcs->cipher) 390 continue; 391 392 fw->cs[j++] = *fwcs; 393 } 394 395 return 0; 396 } 397 398 static void iwl_store_gscan_capa(struct iwl_fw *fw, const u8 *data, 399 const u32 len) 400 { 401 struct iwl_fw_gscan_capabilities *fw_capa = (void *)data; 402 struct iwl_gscan_capabilities *capa = &fw->gscan_capa; 403 404 capa->max_scan_cache_size = le32_to_cpu(fw_capa->max_scan_cache_size); 405 capa->max_scan_buckets = le32_to_cpu(fw_capa->max_scan_buckets); 406 capa->max_ap_cache_per_scan = 407 le32_to_cpu(fw_capa->max_ap_cache_per_scan); 408 capa->max_rssi_sample_size = le32_to_cpu(fw_capa->max_rssi_sample_size); 409 capa->max_scan_reporting_threshold = 410 le32_to_cpu(fw_capa->max_scan_reporting_threshold); 411 capa->max_hotlist_aps = le32_to_cpu(fw_capa->max_hotlist_aps); 412 capa->max_significant_change_aps = 413 le32_to_cpu(fw_capa->max_significant_change_aps); 414 capa->max_bssid_history_entries = 415 le32_to_cpu(fw_capa->max_bssid_history_entries); 416 capa->max_hotlist_ssids = le32_to_cpu(fw_capa->max_hotlist_ssids); 417 capa->max_number_epno_networks = 418 le32_to_cpu(fw_capa->max_number_epno_networks); 419 capa->max_number_epno_networks_by_ssid = 420 le32_to_cpu(fw_capa->max_number_epno_networks_by_ssid); 421 capa->max_number_of_white_listed_ssid = 422 le32_to_cpu(fw_capa->max_number_of_white_listed_ssid); 423 capa->max_number_of_black_listed_ssid = 424 le32_to_cpu(fw_capa->max_number_of_black_listed_ssid); 425 } 426 427 /* 428 * Gets uCode section from tlv. 429 */ 430 static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces, 431 const void *data, enum iwl_ucode_type type, 432 int size) 433 { 434 struct fw_img_parsing *img; 435 struct fw_sec *sec; 436 struct fw_sec_parsing *sec_parse; 437 size_t alloc_size; 438 439 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX)) 440 return -1; 441 442 sec_parse = (struct fw_sec_parsing *)data; 443 444 img = &pieces->img[type]; 445 446 alloc_size = sizeof(*img->sec) * (img->sec_counter + 1); 447 sec = krealloc(img->sec, alloc_size, GFP_KERNEL); 448 if (!sec) 449 return -ENOMEM; 450 img->sec = sec; 451 452 sec = &img->sec[img->sec_counter]; 453 454 sec->offset = le32_to_cpu(sec_parse->offset); 455 sec->data = sec_parse->data; 456 sec->size = size - sizeof(sec_parse->offset); 457 458 ++img->sec_counter; 459 460 return 0; 461 } 462 463 static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data) 464 { 465 struct iwl_tlv_calib_data *def_calib = 466 (struct iwl_tlv_calib_data *)data; 467 u32 ucode_type = le32_to_cpu(def_calib->ucode_type); 468 if (ucode_type >= IWL_UCODE_TYPE_MAX) { 469 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n", 470 ucode_type); 471 return -EINVAL; 472 } 473 drv->fw.default_calib[ucode_type].flow_trigger = 474 def_calib->calib.flow_trigger; 475 drv->fw.default_calib[ucode_type].event_trigger = 476 def_calib->calib.event_trigger; 477 478 return 0; 479 } 480 481 static int iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data, 482 struct iwl_ucode_capabilities *capa) 483 { 484 const struct iwl_ucode_api *ucode_api = (void *)data; 485 u32 api_index = le32_to_cpu(ucode_api->api_index); 486 u32 api_flags = le32_to_cpu(ucode_api->api_flags); 487 int i; 488 489 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) { 490 IWL_ERR(drv, 491 "api flags index %d larger than supported by driver\n", 492 api_index); 493 /* don't return an error so we can load FW that has more bits */ 494 return 0; 495 } 496 497 for (i = 0; i < 32; i++) { 498 if (api_flags & BIT(i)) 499 __set_bit(i + 32 * api_index, capa->_api); 500 } 501 502 return 0; 503 } 504 505 static int iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data, 506 struct iwl_ucode_capabilities *capa) 507 { 508 const struct iwl_ucode_capa *ucode_capa = (void *)data; 509 u32 api_index = le32_to_cpu(ucode_capa->api_index); 510 u32 api_flags = le32_to_cpu(ucode_capa->api_capa); 511 int i; 512 513 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) { 514 IWL_ERR(drv, 515 "capa flags index %d larger than supported by driver\n", 516 api_index); 517 /* don't return an error so we can load FW that has more bits */ 518 return 0; 519 } 520 521 for (i = 0; i < 32; i++) { 522 if (api_flags & BIT(i)) 523 __set_bit(i + 32 * api_index, capa->_capa); 524 } 525 526 return 0; 527 } 528 529 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv, 530 const struct firmware *ucode_raw, 531 struct iwl_firmware_pieces *pieces) 532 { 533 struct iwl_ucode_header *ucode = (void *)ucode_raw->data; 534 u32 api_ver, hdr_size, build; 535 char buildstr[25]; 536 const u8 *src; 537 538 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 539 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 540 541 switch (api_ver) { 542 default: 543 hdr_size = 28; 544 if (ucode_raw->size < hdr_size) { 545 IWL_ERR(drv, "File size too small!\n"); 546 return -EINVAL; 547 } 548 build = le32_to_cpu(ucode->u.v2.build); 549 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 550 le32_to_cpu(ucode->u.v2.inst_size)); 551 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 552 le32_to_cpu(ucode->u.v2.data_size)); 553 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 554 le32_to_cpu(ucode->u.v2.init_size)); 555 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 556 le32_to_cpu(ucode->u.v2.init_data_size)); 557 src = ucode->u.v2.data; 558 break; 559 case 0: 560 case 1: 561 case 2: 562 hdr_size = 24; 563 if (ucode_raw->size < hdr_size) { 564 IWL_ERR(drv, "File size too small!\n"); 565 return -EINVAL; 566 } 567 build = 0; 568 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 569 le32_to_cpu(ucode->u.v1.inst_size)); 570 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 571 le32_to_cpu(ucode->u.v1.data_size)); 572 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 573 le32_to_cpu(ucode->u.v1.init_size)); 574 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 575 le32_to_cpu(ucode->u.v1.init_data_size)); 576 src = ucode->u.v1.data; 577 break; 578 } 579 580 if (build) 581 sprintf(buildstr, " build %u", build); 582 else 583 buildstr[0] = '\0'; 584 585 snprintf(drv->fw.fw_version, 586 sizeof(drv->fw.fw_version), 587 "%u.%u.%u.%u%s", 588 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 589 IWL_UCODE_MINOR(drv->fw.ucode_ver), 590 IWL_UCODE_API(drv->fw.ucode_ver), 591 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 592 buildstr); 593 594 /* Verify size of file vs. image size info in file's header */ 595 596 if (ucode_raw->size != hdr_size + 597 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) + 598 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) + 599 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) + 600 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { 601 602 IWL_ERR(drv, 603 "uCode file size %d does not match expected size\n", 604 (int)ucode_raw->size); 605 return -EINVAL; 606 } 607 608 609 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src); 610 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST); 611 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 612 IWLAGN_RTC_INST_LOWER_BOUND); 613 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src); 614 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA); 615 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 616 IWLAGN_RTC_DATA_LOWER_BOUND); 617 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src); 618 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST); 619 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 620 IWLAGN_RTC_INST_LOWER_BOUND); 621 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src); 622 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA); 623 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 624 IWLAGN_RTC_DATA_LOWER_BOUND); 625 return 0; 626 } 627 628 static int iwl_parse_tlv_firmware(struct iwl_drv *drv, 629 const struct firmware *ucode_raw, 630 struct iwl_firmware_pieces *pieces, 631 struct iwl_ucode_capabilities *capa, 632 bool *usniffer_images) 633 { 634 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; 635 struct iwl_ucode_tlv *tlv; 636 size_t len = ucode_raw->size; 637 const u8 *data; 638 u32 tlv_len; 639 u32 usniffer_img; 640 enum iwl_ucode_tlv_type tlv_type; 641 const u8 *tlv_data; 642 char buildstr[25]; 643 u32 build, paging_mem_size; 644 int num_of_cpus; 645 bool usniffer_req = false; 646 bool gscan_capa = false; 647 648 if (len < sizeof(*ucode)) { 649 IWL_ERR(drv, "uCode has invalid length: %zd\n", len); 650 return -EINVAL; 651 } 652 653 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { 654 IWL_ERR(drv, "invalid uCode magic: 0X%x\n", 655 le32_to_cpu(ucode->magic)); 656 return -EINVAL; 657 } 658 659 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 660 memcpy(drv->fw.human_readable, ucode->human_readable, 661 sizeof(drv->fw.human_readable)); 662 build = le32_to_cpu(ucode->build); 663 664 if (build) 665 sprintf(buildstr, " build %u", build); 666 else 667 buildstr[0] = '\0'; 668 669 snprintf(drv->fw.fw_version, 670 sizeof(drv->fw.fw_version), 671 "%u.%u.%u.%u%s", 672 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 673 IWL_UCODE_MINOR(drv->fw.ucode_ver), 674 IWL_UCODE_API(drv->fw.ucode_ver), 675 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 676 buildstr); 677 678 data = ucode->data; 679 680 len -= sizeof(*ucode); 681 682 while (len >= sizeof(*tlv)) { 683 len -= sizeof(*tlv); 684 tlv = (void *)data; 685 686 tlv_len = le32_to_cpu(tlv->length); 687 tlv_type = le32_to_cpu(tlv->type); 688 tlv_data = tlv->data; 689 690 if (len < tlv_len) { 691 IWL_ERR(drv, "invalid TLV len: %zd/%u\n", 692 len, tlv_len); 693 return -EINVAL; 694 } 695 len -= ALIGN(tlv_len, 4); 696 data += sizeof(*tlv) + ALIGN(tlv_len, 4); 697 698 switch (tlv_type) { 699 case IWL_UCODE_TLV_INST: 700 set_sec_data(pieces, IWL_UCODE_REGULAR, 701 IWL_UCODE_SECTION_INST, tlv_data); 702 set_sec_size(pieces, IWL_UCODE_REGULAR, 703 IWL_UCODE_SECTION_INST, tlv_len); 704 set_sec_offset(pieces, IWL_UCODE_REGULAR, 705 IWL_UCODE_SECTION_INST, 706 IWLAGN_RTC_INST_LOWER_BOUND); 707 break; 708 case IWL_UCODE_TLV_DATA: 709 set_sec_data(pieces, IWL_UCODE_REGULAR, 710 IWL_UCODE_SECTION_DATA, tlv_data); 711 set_sec_size(pieces, IWL_UCODE_REGULAR, 712 IWL_UCODE_SECTION_DATA, tlv_len); 713 set_sec_offset(pieces, IWL_UCODE_REGULAR, 714 IWL_UCODE_SECTION_DATA, 715 IWLAGN_RTC_DATA_LOWER_BOUND); 716 break; 717 case IWL_UCODE_TLV_INIT: 718 set_sec_data(pieces, IWL_UCODE_INIT, 719 IWL_UCODE_SECTION_INST, tlv_data); 720 set_sec_size(pieces, IWL_UCODE_INIT, 721 IWL_UCODE_SECTION_INST, tlv_len); 722 set_sec_offset(pieces, IWL_UCODE_INIT, 723 IWL_UCODE_SECTION_INST, 724 IWLAGN_RTC_INST_LOWER_BOUND); 725 break; 726 case IWL_UCODE_TLV_INIT_DATA: 727 set_sec_data(pieces, IWL_UCODE_INIT, 728 IWL_UCODE_SECTION_DATA, tlv_data); 729 set_sec_size(pieces, IWL_UCODE_INIT, 730 IWL_UCODE_SECTION_DATA, tlv_len); 731 set_sec_offset(pieces, IWL_UCODE_INIT, 732 IWL_UCODE_SECTION_DATA, 733 IWLAGN_RTC_DATA_LOWER_BOUND); 734 break; 735 case IWL_UCODE_TLV_BOOT: 736 IWL_ERR(drv, "Found unexpected BOOT ucode\n"); 737 break; 738 case IWL_UCODE_TLV_PROBE_MAX_LEN: 739 if (tlv_len != sizeof(u32)) 740 goto invalid_tlv_len; 741 capa->max_probe_length = 742 le32_to_cpup((__le32 *)tlv_data); 743 break; 744 case IWL_UCODE_TLV_PAN: 745 if (tlv_len) 746 goto invalid_tlv_len; 747 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; 748 break; 749 case IWL_UCODE_TLV_FLAGS: 750 /* must be at least one u32 */ 751 if (tlv_len < sizeof(u32)) 752 goto invalid_tlv_len; 753 /* and a proper number of u32s */ 754 if (tlv_len % sizeof(u32)) 755 goto invalid_tlv_len; 756 /* 757 * This driver only reads the first u32 as 758 * right now no more features are defined, 759 * if that changes then either the driver 760 * will not work with the new firmware, or 761 * it'll not take advantage of new features. 762 */ 763 capa->flags = le32_to_cpup((__le32 *)tlv_data); 764 break; 765 case IWL_UCODE_TLV_API_CHANGES_SET: 766 if (tlv_len != sizeof(struct iwl_ucode_api)) 767 goto invalid_tlv_len; 768 if (iwl_set_ucode_api_flags(drv, tlv_data, capa)) 769 goto tlv_error; 770 break; 771 case IWL_UCODE_TLV_ENABLED_CAPABILITIES: 772 if (tlv_len != sizeof(struct iwl_ucode_capa)) 773 goto invalid_tlv_len; 774 if (iwl_set_ucode_capabilities(drv, tlv_data, capa)) 775 goto tlv_error; 776 break; 777 case IWL_UCODE_TLV_INIT_EVTLOG_PTR: 778 if (tlv_len != sizeof(u32)) 779 goto invalid_tlv_len; 780 pieces->init_evtlog_ptr = 781 le32_to_cpup((__le32 *)tlv_data); 782 break; 783 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: 784 if (tlv_len != sizeof(u32)) 785 goto invalid_tlv_len; 786 pieces->init_evtlog_size = 787 le32_to_cpup((__le32 *)tlv_data); 788 break; 789 case IWL_UCODE_TLV_INIT_ERRLOG_PTR: 790 if (tlv_len != sizeof(u32)) 791 goto invalid_tlv_len; 792 pieces->init_errlog_ptr = 793 le32_to_cpup((__le32 *)tlv_data); 794 break; 795 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: 796 if (tlv_len != sizeof(u32)) 797 goto invalid_tlv_len; 798 pieces->inst_evtlog_ptr = 799 le32_to_cpup((__le32 *)tlv_data); 800 break; 801 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: 802 if (tlv_len != sizeof(u32)) 803 goto invalid_tlv_len; 804 pieces->inst_evtlog_size = 805 le32_to_cpup((__le32 *)tlv_data); 806 break; 807 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: 808 if (tlv_len != sizeof(u32)) 809 goto invalid_tlv_len; 810 pieces->inst_errlog_ptr = 811 le32_to_cpup((__le32 *)tlv_data); 812 break; 813 case IWL_UCODE_TLV_ENHANCE_SENS_TBL: 814 if (tlv_len) 815 goto invalid_tlv_len; 816 drv->fw.enhance_sensitivity_table = true; 817 break; 818 case IWL_UCODE_TLV_WOWLAN_INST: 819 set_sec_data(pieces, IWL_UCODE_WOWLAN, 820 IWL_UCODE_SECTION_INST, tlv_data); 821 set_sec_size(pieces, IWL_UCODE_WOWLAN, 822 IWL_UCODE_SECTION_INST, tlv_len); 823 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 824 IWL_UCODE_SECTION_INST, 825 IWLAGN_RTC_INST_LOWER_BOUND); 826 break; 827 case IWL_UCODE_TLV_WOWLAN_DATA: 828 set_sec_data(pieces, IWL_UCODE_WOWLAN, 829 IWL_UCODE_SECTION_DATA, tlv_data); 830 set_sec_size(pieces, IWL_UCODE_WOWLAN, 831 IWL_UCODE_SECTION_DATA, tlv_len); 832 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 833 IWL_UCODE_SECTION_DATA, 834 IWLAGN_RTC_DATA_LOWER_BOUND); 835 break; 836 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: 837 if (tlv_len != sizeof(u32)) 838 goto invalid_tlv_len; 839 capa->standard_phy_calibration_size = 840 le32_to_cpup((__le32 *)tlv_data); 841 break; 842 case IWL_UCODE_TLV_SEC_RT: 843 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 844 tlv_len); 845 drv->fw.type = IWL_FW_MVM; 846 break; 847 case IWL_UCODE_TLV_SEC_INIT: 848 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 849 tlv_len); 850 drv->fw.type = IWL_FW_MVM; 851 break; 852 case IWL_UCODE_TLV_SEC_WOWLAN: 853 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 854 tlv_len); 855 drv->fw.type = IWL_FW_MVM; 856 break; 857 case IWL_UCODE_TLV_DEF_CALIB: 858 if (tlv_len != sizeof(struct iwl_tlv_calib_data)) 859 goto invalid_tlv_len; 860 if (iwl_set_default_calib(drv, tlv_data)) 861 goto tlv_error; 862 break; 863 case IWL_UCODE_TLV_PHY_SKU: 864 if (tlv_len != sizeof(u32)) 865 goto invalid_tlv_len; 866 drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data); 867 drv->fw.valid_tx_ant = (drv->fw.phy_config & 868 FW_PHY_CFG_TX_CHAIN) >> 869 FW_PHY_CFG_TX_CHAIN_POS; 870 drv->fw.valid_rx_ant = (drv->fw.phy_config & 871 FW_PHY_CFG_RX_CHAIN) >> 872 FW_PHY_CFG_RX_CHAIN_POS; 873 break; 874 case IWL_UCODE_TLV_SECURE_SEC_RT: 875 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 876 tlv_len); 877 drv->fw.type = IWL_FW_MVM; 878 break; 879 case IWL_UCODE_TLV_SECURE_SEC_INIT: 880 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 881 tlv_len); 882 drv->fw.type = IWL_FW_MVM; 883 break; 884 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN: 885 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 886 tlv_len); 887 drv->fw.type = IWL_FW_MVM; 888 break; 889 case IWL_UCODE_TLV_NUM_OF_CPU: 890 if (tlv_len != sizeof(u32)) 891 goto invalid_tlv_len; 892 num_of_cpus = 893 le32_to_cpup((__le32 *)tlv_data); 894 895 if (num_of_cpus == 2) { 896 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus = 897 true; 898 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus = 899 true; 900 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus = 901 true; 902 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) { 903 IWL_ERR(drv, "Driver support upto 2 CPUs\n"); 904 return -EINVAL; 905 } 906 break; 907 case IWL_UCODE_TLV_CSCHEME: 908 if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len)) 909 goto invalid_tlv_len; 910 break; 911 case IWL_UCODE_TLV_N_SCAN_CHANNELS: 912 if (tlv_len != sizeof(u32)) 913 goto invalid_tlv_len; 914 capa->n_scan_channels = 915 le32_to_cpup((__le32 *)tlv_data); 916 break; 917 case IWL_UCODE_TLV_FW_VERSION: { 918 __le32 *ptr = (void *)tlv_data; 919 u32 major, minor; 920 u8 local_comp; 921 922 if (tlv_len != sizeof(u32) * 3) 923 goto invalid_tlv_len; 924 925 major = le32_to_cpup(ptr++); 926 minor = le32_to_cpup(ptr++); 927 local_comp = le32_to_cpup(ptr); 928 929 snprintf(drv->fw.fw_version, 930 sizeof(drv->fw.fw_version), "%u.%u.%u", 931 major, minor, local_comp); 932 break; 933 } 934 case IWL_UCODE_TLV_FW_DBG_DEST: { 935 struct iwl_fw_dbg_dest_tlv *dest = (void *)tlv_data; 936 937 if (pieces->dbg_dest_tlv) { 938 IWL_ERR(drv, 939 "dbg destination ignored, already exists\n"); 940 break; 941 } 942 943 pieces->dbg_dest_tlv = dest; 944 IWL_INFO(drv, "Found debug destination: %s\n", 945 get_fw_dbg_mode_string(dest->monitor_mode)); 946 947 drv->fw.dbg_dest_reg_num = 948 tlv_len - offsetof(struct iwl_fw_dbg_dest_tlv, 949 reg_ops); 950 drv->fw.dbg_dest_reg_num /= 951 sizeof(drv->fw.dbg_dest_tlv->reg_ops[0]); 952 953 break; 954 } 955 case IWL_UCODE_TLV_FW_DBG_CONF: { 956 struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data; 957 958 if (!pieces->dbg_dest_tlv) { 959 IWL_ERR(drv, 960 "Ignore dbg config %d - no destination configured\n", 961 conf->id); 962 break; 963 } 964 965 if (conf->id >= ARRAY_SIZE(drv->fw.dbg_conf_tlv)) { 966 IWL_ERR(drv, 967 "Skip unknown configuration: %d\n", 968 conf->id); 969 break; 970 } 971 972 if (pieces->dbg_conf_tlv[conf->id]) { 973 IWL_ERR(drv, 974 "Ignore duplicate dbg config %d\n", 975 conf->id); 976 break; 977 } 978 979 if (conf->usniffer) 980 usniffer_req = true; 981 982 IWL_INFO(drv, "Found debug configuration: %d\n", 983 conf->id); 984 985 pieces->dbg_conf_tlv[conf->id] = conf; 986 pieces->dbg_conf_tlv_len[conf->id] = tlv_len; 987 break; 988 } 989 case IWL_UCODE_TLV_FW_DBG_TRIGGER: { 990 struct iwl_fw_dbg_trigger_tlv *trigger = 991 (void *)tlv_data; 992 u32 trigger_id = le32_to_cpu(trigger->id); 993 994 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg_trigger_tlv)) { 995 IWL_ERR(drv, 996 "Skip unknown trigger: %u\n", 997 trigger->id); 998 break; 999 } 1000 1001 if (pieces->dbg_trigger_tlv[trigger_id]) { 1002 IWL_ERR(drv, 1003 "Ignore duplicate dbg trigger %u\n", 1004 trigger->id); 1005 break; 1006 } 1007 1008 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id); 1009 1010 pieces->dbg_trigger_tlv[trigger_id] = trigger; 1011 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len; 1012 break; 1013 } 1014 case IWL_UCODE_TLV_SEC_RT_USNIFFER: 1015 *usniffer_images = true; 1016 iwl_store_ucode_sec(pieces, tlv_data, 1017 IWL_UCODE_REGULAR_USNIFFER, 1018 tlv_len); 1019 break; 1020 case IWL_UCODE_TLV_PAGING: 1021 if (tlv_len != sizeof(u32)) 1022 goto invalid_tlv_len; 1023 paging_mem_size = le32_to_cpup((__le32 *)tlv_data); 1024 1025 IWL_DEBUG_FW(drv, 1026 "Paging: paging enabled (size = %u bytes)\n", 1027 paging_mem_size); 1028 1029 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) { 1030 IWL_ERR(drv, 1031 "Paging: driver supports up to %lu bytes for paging image\n", 1032 MAX_PAGING_IMAGE_SIZE); 1033 return -EINVAL; 1034 } 1035 1036 if (paging_mem_size & (FW_PAGING_SIZE - 1)) { 1037 IWL_ERR(drv, 1038 "Paging: image isn't multiple %lu\n", 1039 FW_PAGING_SIZE); 1040 return -EINVAL; 1041 } 1042 1043 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size = 1044 paging_mem_size; 1045 usniffer_img = IWL_UCODE_REGULAR_USNIFFER; 1046 drv->fw.img[usniffer_img].paging_mem_size = 1047 paging_mem_size; 1048 break; 1049 case IWL_UCODE_TLV_SDIO_ADMA_ADDR: 1050 if (tlv_len != sizeof(u32)) 1051 goto invalid_tlv_len; 1052 drv->fw.sdio_adma_addr = 1053 le32_to_cpup((__le32 *)tlv_data); 1054 break; 1055 case IWL_UCODE_TLV_FW_GSCAN_CAPA: 1056 /* 1057 * Don't return an error in case of a shorter tlv_len 1058 * to enable loading of FW that has an old format 1059 * of GSCAN capabilities TLV. 1060 */ 1061 if (tlv_len < sizeof(struct iwl_fw_gscan_capabilities)) 1062 break; 1063 1064 iwl_store_gscan_capa(&drv->fw, tlv_data, tlv_len); 1065 gscan_capa = true; 1066 break; 1067 case IWL_UCODE_TLV_FW_MEM_SEG: { 1068 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem = 1069 (void *)tlv_data; 1070 u32 type; 1071 size_t size; 1072 struct iwl_fw_dbg_mem_seg_tlv *n; 1073 1074 if (tlv_len != (sizeof(*dbg_mem))) 1075 goto invalid_tlv_len; 1076 1077 type = le32_to_cpu(dbg_mem->data_type); 1078 1079 IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n", 1080 dbg_mem->data_type); 1081 1082 switch (type & FW_DBG_MEM_TYPE_MASK) { 1083 case FW_DBG_MEM_TYPE_REGULAR: 1084 case FW_DBG_MEM_TYPE_PRPH: 1085 /* we know how to handle these */ 1086 break; 1087 default: 1088 IWL_ERR(drv, 1089 "Found debug memory segment with invalid type: 0x%x\n", 1090 type); 1091 return -EINVAL; 1092 } 1093 1094 size = sizeof(*pieces->dbg_mem_tlv) * 1095 (pieces->n_dbg_mem_tlv + 1); 1096 n = krealloc(pieces->dbg_mem_tlv, size, GFP_KERNEL); 1097 if (!n) 1098 return -ENOMEM; 1099 pieces->dbg_mem_tlv = n; 1100 pieces->dbg_mem_tlv[pieces->n_dbg_mem_tlv] = *dbg_mem; 1101 pieces->n_dbg_mem_tlv++; 1102 break; 1103 } 1104 default: 1105 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); 1106 break; 1107 } 1108 } 1109 1110 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) && 1111 usniffer_req && !*usniffer_images) { 1112 IWL_ERR(drv, 1113 "user selected to work with usniffer but usniffer image isn't available in ucode package\n"); 1114 return -EINVAL; 1115 } 1116 1117 if (len) { 1118 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); 1119 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len); 1120 return -EINVAL; 1121 } 1122 1123 /* 1124 * If ucode advertises that it supports GSCAN but GSCAN 1125 * capabilities TLV is not present, or if it has an old format, 1126 * warn and continue without GSCAN. 1127 */ 1128 if (fw_has_capa(capa, IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT) && 1129 !gscan_capa) { 1130 IWL_DEBUG_INFO(drv, 1131 "GSCAN is supported but capabilities TLV is unavailable\n"); 1132 __clear_bit((__force long)IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT, 1133 capa->_capa); 1134 } 1135 1136 return 0; 1137 1138 invalid_tlv_len: 1139 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); 1140 tlv_error: 1141 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); 1142 1143 return -EINVAL; 1144 } 1145 1146 static int iwl_alloc_ucode(struct iwl_drv *drv, 1147 struct iwl_firmware_pieces *pieces, 1148 enum iwl_ucode_type type) 1149 { 1150 int i; 1151 struct fw_desc *sec; 1152 1153 sec = kcalloc(pieces->img[type].sec_counter, sizeof(*sec), GFP_KERNEL); 1154 if (!sec) 1155 return -ENOMEM; 1156 drv->fw.img[type].sec = sec; 1157 drv->fw.img[type].num_sec = pieces->img[type].sec_counter; 1158 1159 for (i = 0; i < pieces->img[type].sec_counter; i++) 1160 if (iwl_alloc_fw_desc(drv, &sec[i], get_sec(pieces, type, i))) 1161 return -ENOMEM; 1162 1163 return 0; 1164 } 1165 1166 static int validate_sec_sizes(struct iwl_drv *drv, 1167 struct iwl_firmware_pieces *pieces, 1168 const struct iwl_cfg *cfg) 1169 { 1170 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %zd\n", 1171 get_sec_size(pieces, IWL_UCODE_REGULAR, 1172 IWL_UCODE_SECTION_INST)); 1173 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %zd\n", 1174 get_sec_size(pieces, IWL_UCODE_REGULAR, 1175 IWL_UCODE_SECTION_DATA)); 1176 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %zd\n", 1177 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); 1178 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %zd\n", 1179 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); 1180 1181 /* Verify that uCode images will fit in card's SRAM. */ 1182 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > 1183 cfg->max_inst_size) { 1184 IWL_ERR(drv, "uCode instr len %zd too large to fit in\n", 1185 get_sec_size(pieces, IWL_UCODE_REGULAR, 1186 IWL_UCODE_SECTION_INST)); 1187 return -1; 1188 } 1189 1190 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > 1191 cfg->max_data_size) { 1192 IWL_ERR(drv, "uCode data len %zd too large to fit in\n", 1193 get_sec_size(pieces, IWL_UCODE_REGULAR, 1194 IWL_UCODE_SECTION_DATA)); 1195 return -1; 1196 } 1197 1198 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > 1199 cfg->max_inst_size) { 1200 IWL_ERR(drv, "uCode init instr len %zd too large to fit in\n", 1201 get_sec_size(pieces, IWL_UCODE_INIT, 1202 IWL_UCODE_SECTION_INST)); 1203 return -1; 1204 } 1205 1206 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > 1207 cfg->max_data_size) { 1208 IWL_ERR(drv, "uCode init data len %zd too large to fit in\n", 1209 get_sec_size(pieces, IWL_UCODE_REGULAR, 1210 IWL_UCODE_SECTION_DATA)); 1211 return -1; 1212 } 1213 return 0; 1214 } 1215 1216 static struct iwl_op_mode * 1217 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op) 1218 { 1219 const struct iwl_op_mode_ops *ops = op->ops; 1220 struct dentry *dbgfs_dir = NULL; 1221 struct iwl_op_mode *op_mode = NULL; 1222 1223 #ifdef CONFIG_IWLWIFI_DEBUGFS 1224 drv->dbgfs_op_mode = debugfs_create_dir(op->name, 1225 drv->dbgfs_drv); 1226 if (!drv->dbgfs_op_mode) { 1227 IWL_ERR(drv, 1228 "failed to create opmode debugfs directory\n"); 1229 return op_mode; 1230 } 1231 dbgfs_dir = drv->dbgfs_op_mode; 1232 #endif 1233 1234 op_mode = ops->start(drv->trans, drv->trans->cfg, &drv->fw, dbgfs_dir); 1235 1236 #ifdef CONFIG_IWLWIFI_DEBUGFS 1237 if (!op_mode) { 1238 debugfs_remove_recursive(drv->dbgfs_op_mode); 1239 drv->dbgfs_op_mode = NULL; 1240 } 1241 #endif 1242 1243 return op_mode; 1244 } 1245 1246 static void _iwl_op_mode_stop(struct iwl_drv *drv) 1247 { 1248 /* op_mode can be NULL if its start failed */ 1249 if (drv->op_mode) { 1250 iwl_op_mode_stop(drv->op_mode); 1251 drv->op_mode = NULL; 1252 1253 #ifdef CONFIG_IWLWIFI_DEBUGFS 1254 debugfs_remove_recursive(drv->dbgfs_op_mode); 1255 drv->dbgfs_op_mode = NULL; 1256 #endif 1257 } 1258 } 1259 1260 /** 1261 * iwl_req_fw_callback - callback when firmware was loaded 1262 * 1263 * If loaded successfully, copies the firmware into buffers 1264 * for the card to fetch (via DMA). 1265 */ 1266 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) 1267 { 1268 struct iwl_drv *drv = context; 1269 struct iwl_fw *fw = &drv->fw; 1270 struct iwl_ucode_header *ucode; 1271 struct iwlwifi_opmode_table *op; 1272 int err; 1273 struct iwl_firmware_pieces *pieces; 1274 const unsigned int api_max = drv->trans->cfg->ucode_api_max; 1275 const unsigned int api_min = drv->trans->cfg->ucode_api_min; 1276 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX]; 1277 u32 api_ver; 1278 int i; 1279 bool load_module = false; 1280 bool usniffer_images = false; 1281 1282 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH; 1283 fw->ucode_capa.standard_phy_calibration_size = 1284 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1285 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS; 1286 1287 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL); 1288 if (!pieces) 1289 goto out_free_fw; 1290 1291 if (!ucode_raw) 1292 goto try_again; 1293 1294 IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n", 1295 drv->firmware_name, ucode_raw->size); 1296 1297 /* Make sure that we got at least the API version number */ 1298 if (ucode_raw->size < 4) { 1299 IWL_ERR(drv, "File size way too small!\n"); 1300 goto try_again; 1301 } 1302 1303 /* Data from ucode file: header followed by uCode images */ 1304 ucode = (struct iwl_ucode_header *)ucode_raw->data; 1305 1306 if (ucode->ver) 1307 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces); 1308 else 1309 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces, 1310 &fw->ucode_capa, &usniffer_images); 1311 1312 if (err) 1313 goto try_again; 1314 1315 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION)) 1316 api_ver = drv->fw.ucode_ver; 1317 else 1318 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 1319 1320 /* 1321 * api_ver should match the api version forming part of the 1322 * firmware filename ... but we don't check for that and only rely 1323 * on the API version read from firmware header from here on forward 1324 */ 1325 if (api_ver < api_min || api_ver > api_max) { 1326 IWL_ERR(drv, 1327 "Driver unable to support your firmware API. " 1328 "Driver supports v%u, firmware is v%u.\n", 1329 api_max, api_ver); 1330 goto try_again; 1331 } 1332 1333 /* 1334 * In mvm uCode there is no difference between data and instructions 1335 * sections. 1336 */ 1337 if (fw->type == IWL_FW_DVM && validate_sec_sizes(drv, pieces, 1338 drv->trans->cfg)) 1339 goto try_again; 1340 1341 /* Allocate ucode buffers for card's bus-master loading ... */ 1342 1343 /* Runtime instructions and 2 copies of data: 1344 * 1) unmodified from disk 1345 * 2) backup cache for save/restore during power-downs */ 1346 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 1347 if (iwl_alloc_ucode(drv, pieces, i)) 1348 goto out_free_fw; 1349 1350 if (pieces->dbg_dest_tlv) { 1351 drv->fw.dbg_dest_tlv = 1352 kmemdup(pieces->dbg_dest_tlv, 1353 sizeof(*pieces->dbg_dest_tlv) + 1354 sizeof(pieces->dbg_dest_tlv->reg_ops[0]) * 1355 drv->fw.dbg_dest_reg_num, GFP_KERNEL); 1356 1357 if (!drv->fw.dbg_dest_tlv) 1358 goto out_free_fw; 1359 } 1360 1361 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++) { 1362 if (pieces->dbg_conf_tlv[i]) { 1363 drv->fw.dbg_conf_tlv_len[i] = 1364 pieces->dbg_conf_tlv_len[i]; 1365 drv->fw.dbg_conf_tlv[i] = 1366 kmemdup(pieces->dbg_conf_tlv[i], 1367 drv->fw.dbg_conf_tlv_len[i], 1368 GFP_KERNEL); 1369 if (!drv->fw.dbg_conf_tlv[i]) 1370 goto out_free_fw; 1371 } 1372 } 1373 1374 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz)); 1375 1376 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] = 1377 sizeof(struct iwl_fw_dbg_trigger_missed_bcon); 1378 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0; 1379 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] = 1380 sizeof(struct iwl_fw_dbg_trigger_cmd); 1381 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] = 1382 sizeof(struct iwl_fw_dbg_trigger_mlme); 1383 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] = 1384 sizeof(struct iwl_fw_dbg_trigger_stats); 1385 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] = 1386 sizeof(struct iwl_fw_dbg_trigger_low_rssi); 1387 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] = 1388 sizeof(struct iwl_fw_dbg_trigger_txq_timer); 1389 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] = 1390 sizeof(struct iwl_fw_dbg_trigger_time_event); 1391 trigger_tlv_sz[FW_DBG_TRIGGER_BA] = 1392 sizeof(struct iwl_fw_dbg_trigger_ba); 1393 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] = 1394 sizeof(struct iwl_fw_dbg_trigger_tdls); 1395 1396 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++) { 1397 if (pieces->dbg_trigger_tlv[i]) { 1398 /* 1399 * If the trigger isn't long enough, WARN and exit. 1400 * Someone is trying to debug something and he won't 1401 * be able to catch the bug he is trying to chase. 1402 * We'd better be noisy to be sure he knows what's 1403 * going on. 1404 */ 1405 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] < 1406 (trigger_tlv_sz[i] + 1407 sizeof(struct iwl_fw_dbg_trigger_tlv)))) 1408 goto out_free_fw; 1409 drv->fw.dbg_trigger_tlv_len[i] = 1410 pieces->dbg_trigger_tlv_len[i]; 1411 drv->fw.dbg_trigger_tlv[i] = 1412 kmemdup(pieces->dbg_trigger_tlv[i], 1413 drv->fw.dbg_trigger_tlv_len[i], 1414 GFP_KERNEL); 1415 if (!drv->fw.dbg_trigger_tlv[i]) 1416 goto out_free_fw; 1417 } 1418 } 1419 1420 /* Now that we can no longer fail, copy information */ 1421 1422 drv->fw.dbg_mem_tlv = pieces->dbg_mem_tlv; 1423 pieces->dbg_mem_tlv = NULL; 1424 drv->fw.n_dbg_mem_tlv = pieces->n_dbg_mem_tlv; 1425 1426 /* 1427 * The (size - 16) / 12 formula is based on the information recorded 1428 * for each event, which is of mode 1 (including timestamp) for all 1429 * new microcodes that include this information. 1430 */ 1431 fw->init_evtlog_ptr = pieces->init_evtlog_ptr; 1432 if (pieces->init_evtlog_size) 1433 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12; 1434 else 1435 fw->init_evtlog_size = 1436 drv->trans->cfg->base_params->max_event_log_size; 1437 fw->init_errlog_ptr = pieces->init_errlog_ptr; 1438 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr; 1439 if (pieces->inst_evtlog_size) 1440 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12; 1441 else 1442 fw->inst_evtlog_size = 1443 drv->trans->cfg->base_params->max_event_log_size; 1444 fw->inst_errlog_ptr = pieces->inst_errlog_ptr; 1445 1446 /* 1447 * figure out the offset of chain noise reset and gain commands 1448 * base on the size of standard phy calibration commands table size 1449 */ 1450 if (fw->ucode_capa.standard_phy_calibration_size > 1451 IWL_MAX_PHY_CALIBRATE_TBL_SIZE) 1452 fw->ucode_capa.standard_phy_calibration_size = 1453 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1454 1455 /* We have our copies now, allow OS release its copies */ 1456 release_firmware(ucode_raw); 1457 1458 mutex_lock(&iwlwifi_opmode_table_mtx); 1459 switch (fw->type) { 1460 case IWL_FW_DVM: 1461 op = &iwlwifi_opmode_table[DVM_OP_MODE]; 1462 break; 1463 default: 1464 WARN(1, "Invalid fw type %d\n", fw->type); 1465 case IWL_FW_MVM: 1466 op = &iwlwifi_opmode_table[MVM_OP_MODE]; 1467 break; 1468 } 1469 1470 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n", 1471 drv->fw.fw_version, op->name); 1472 1473 /* add this device to the list of devices using this op_mode */ 1474 list_add_tail(&drv->list, &op->drv); 1475 1476 if (op->ops) { 1477 drv->op_mode = _iwl_op_mode_start(drv, op); 1478 1479 if (!drv->op_mode) { 1480 mutex_unlock(&iwlwifi_opmode_table_mtx); 1481 goto out_unbind; 1482 } 1483 } else { 1484 load_module = true; 1485 } 1486 mutex_unlock(&iwlwifi_opmode_table_mtx); 1487 1488 /* 1489 * Complete the firmware request last so that 1490 * a driver unbind (stop) doesn't run while we 1491 * are doing the start() above. 1492 */ 1493 complete(&drv->request_firmware_complete); 1494 1495 /* 1496 * Load the module last so we don't block anything 1497 * else from proceeding if the module fails to load 1498 * or hangs loading. 1499 */ 1500 if (load_module) { 1501 request_module("%s", op->name); 1502 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR 1503 if (err) 1504 IWL_ERR(drv, 1505 "failed to load module %s (error %d), is dynamic loading enabled?\n", 1506 op->name, err); 1507 #endif 1508 } 1509 goto free; 1510 1511 try_again: 1512 /* try next, if any */ 1513 release_firmware(ucode_raw); 1514 if (iwl_request_firmware(drv, false)) 1515 goto out_unbind; 1516 goto free; 1517 1518 out_free_fw: 1519 iwl_dealloc_ucode(drv); 1520 release_firmware(ucode_raw); 1521 out_unbind: 1522 complete(&drv->request_firmware_complete); 1523 device_release_driver(drv->trans->dev); 1524 free: 1525 if (pieces) { 1526 for (i = 0; i < ARRAY_SIZE(pieces->img); i++) 1527 kfree(pieces->img[i].sec); 1528 kfree(pieces->dbg_mem_tlv); 1529 kfree(pieces); 1530 } 1531 } 1532 1533 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans) 1534 { 1535 struct iwl_drv *drv; 1536 int ret; 1537 1538 drv = kzalloc(sizeof(*drv), GFP_KERNEL); 1539 if (!drv) { 1540 ret = -ENOMEM; 1541 goto err; 1542 } 1543 1544 drv->trans = trans; 1545 drv->dev = trans->dev; 1546 1547 init_completion(&drv->request_firmware_complete); 1548 INIT_LIST_HEAD(&drv->list); 1549 1550 #ifdef CONFIG_IWLWIFI_DEBUGFS 1551 /* Create the device debugfs entries. */ 1552 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev), 1553 iwl_dbgfs_root); 1554 1555 if (!drv->dbgfs_drv) { 1556 IWL_ERR(drv, "failed to create debugfs directory\n"); 1557 ret = -ENOMEM; 1558 goto err_free_drv; 1559 } 1560 1561 /* Create transport layer debugfs dir */ 1562 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv); 1563 1564 if (!drv->trans->dbgfs_dir) { 1565 IWL_ERR(drv, "failed to create transport debugfs directory\n"); 1566 ret = -ENOMEM; 1567 goto err_free_dbgfs; 1568 } 1569 #endif 1570 1571 ret = iwl_request_firmware(drv, true); 1572 if (ret) { 1573 IWL_ERR(trans, "Couldn't request the fw\n"); 1574 goto err_fw; 1575 } 1576 1577 return drv; 1578 1579 err_fw: 1580 #ifdef CONFIG_IWLWIFI_DEBUGFS 1581 err_free_dbgfs: 1582 debugfs_remove_recursive(drv->dbgfs_drv); 1583 err_free_drv: 1584 #endif 1585 kfree(drv); 1586 err: 1587 return ERR_PTR(ret); 1588 } 1589 1590 void iwl_drv_stop(struct iwl_drv *drv) 1591 { 1592 wait_for_completion(&drv->request_firmware_complete); 1593 1594 _iwl_op_mode_stop(drv); 1595 1596 iwl_dealloc_ucode(drv); 1597 1598 mutex_lock(&iwlwifi_opmode_table_mtx); 1599 /* 1600 * List is empty (this item wasn't added) 1601 * when firmware loading failed -- in that 1602 * case we can't remove it from any list. 1603 */ 1604 if (!list_empty(&drv->list)) 1605 list_del(&drv->list); 1606 mutex_unlock(&iwlwifi_opmode_table_mtx); 1607 1608 #ifdef CONFIG_IWLWIFI_DEBUGFS 1609 debugfs_remove_recursive(drv->dbgfs_drv); 1610 #endif 1611 1612 kfree(drv); 1613 } 1614 1615 1616 /* shared module parameters */ 1617 struct iwl_mod_params iwlwifi_mod_params = { 1618 .fw_restart = true, 1619 .bt_coex_active = true, 1620 .power_level = IWL_POWER_INDEX_1, 1621 .d0i3_disable = true, 1622 .d0i3_timeout = 1000, 1623 .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT, 1624 /* the rest are 0 by default */ 1625 }; 1626 IWL_EXPORT_SYMBOL(iwlwifi_mod_params); 1627 1628 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops) 1629 { 1630 int i; 1631 struct iwl_drv *drv; 1632 struct iwlwifi_opmode_table *op; 1633 1634 mutex_lock(&iwlwifi_opmode_table_mtx); 1635 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1636 op = &iwlwifi_opmode_table[i]; 1637 if (strcmp(op->name, name)) 1638 continue; 1639 op->ops = ops; 1640 /* TODO: need to handle exceptional case */ 1641 list_for_each_entry(drv, &op->drv, list) 1642 drv->op_mode = _iwl_op_mode_start(drv, op); 1643 1644 mutex_unlock(&iwlwifi_opmode_table_mtx); 1645 return 0; 1646 } 1647 mutex_unlock(&iwlwifi_opmode_table_mtx); 1648 return -EIO; 1649 } 1650 IWL_EXPORT_SYMBOL(iwl_opmode_register); 1651 1652 void iwl_opmode_deregister(const char *name) 1653 { 1654 int i; 1655 struct iwl_drv *drv; 1656 1657 mutex_lock(&iwlwifi_opmode_table_mtx); 1658 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1659 if (strcmp(iwlwifi_opmode_table[i].name, name)) 1660 continue; 1661 iwlwifi_opmode_table[i].ops = NULL; 1662 1663 /* call the stop routine for all devices */ 1664 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list) 1665 _iwl_op_mode_stop(drv); 1666 1667 mutex_unlock(&iwlwifi_opmode_table_mtx); 1668 return; 1669 } 1670 mutex_unlock(&iwlwifi_opmode_table_mtx); 1671 } 1672 IWL_EXPORT_SYMBOL(iwl_opmode_deregister); 1673 1674 static int __init iwl_drv_init(void) 1675 { 1676 int i; 1677 1678 mutex_init(&iwlwifi_opmode_table_mtx); 1679 1680 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) 1681 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv); 1682 1683 pr_info(DRV_DESCRIPTION "\n"); 1684 pr_info(DRV_COPYRIGHT "\n"); 1685 1686 #ifdef CONFIG_IWLWIFI_DEBUGFS 1687 /* Create the root of iwlwifi debugfs subsystem. */ 1688 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL); 1689 1690 if (!iwl_dbgfs_root) 1691 return -EFAULT; 1692 #endif 1693 1694 return iwl_pci_register_driver(); 1695 } 1696 module_init(iwl_drv_init); 1697 1698 static void __exit iwl_drv_exit(void) 1699 { 1700 iwl_pci_unregister_driver(); 1701 1702 #ifdef CONFIG_IWLWIFI_DEBUGFS 1703 debugfs_remove_recursive(iwl_dbgfs_root); 1704 #endif 1705 } 1706 module_exit(iwl_drv_exit); 1707 1708 #ifdef CONFIG_IWLWIFI_DEBUG 1709 module_param_named(debug, iwlwifi_mod_params.debug_level, uint, 1710 S_IRUGO | S_IWUSR); 1711 MODULE_PARM_DESC(debug, "debug output mask"); 1712 #endif 1713 1714 module_param_named(swcrypto, iwlwifi_mod_params.swcrypto, int, S_IRUGO); 1715 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); 1716 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO); 1717 MODULE_PARM_DESC(11n_disable, 1718 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX"); 1719 module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, 1720 int, S_IRUGO); 1721 MODULE_PARM_DESC(amsdu_size, 1722 "amsdu size 0: 12K for multi Rx queue devices, 4K for other devices 1:4K 2:8K 3:12K (default 0)"); 1723 module_param_named(fw_restart, iwlwifi_mod_params.fw_restart, bool, S_IRUGO); 1724 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)"); 1725 1726 module_param_named(antenna_coupling, iwlwifi_mod_params.antenna_coupling, 1727 int, S_IRUGO); 1728 MODULE_PARM_DESC(antenna_coupling, 1729 "specify antenna coupling in dB (default: 0 dB)"); 1730 1731 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, S_IRUGO); 1732 MODULE_PARM_DESC(nvm_file, "NVM file name"); 1733 1734 module_param_named(d0i3_disable, iwlwifi_mod_params.d0i3_disable, 1735 bool, S_IRUGO); 1736 MODULE_PARM_DESC(d0i3_disable, "disable d0i3 functionality (default: Y)"); 1737 1738 module_param_named(lar_disable, iwlwifi_mod_params.lar_disable, 1739 bool, S_IRUGO); 1740 MODULE_PARM_DESC(lar_disable, "disable LAR functionality (default: N)"); 1741 1742 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, 1743 uint, S_IRUGO | S_IWUSR); 1744 MODULE_PARM_DESC(uapsd_disable, 1745 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)"); 1746 1747 /* 1748 * set bt_coex_active to true, uCode will do kill/defer 1749 * every time the priority line is asserted (BT is sending signals on the 1750 * priority line in the PCIx). 1751 * set bt_coex_active to false, uCode will ignore the BT activity and 1752 * perform the normal operation 1753 * 1754 * User might experience transmit issue on some platform due to WiFi/BT 1755 * co-exist problem. The possible behaviors are: 1756 * Able to scan and finding all the available AP 1757 * Not able to associate with any AP 1758 * On those platforms, WiFi communication can be restored by set 1759 * "bt_coex_active" module parameter to "false" 1760 * 1761 * default: bt_coex_active = true (BT_COEX_ENABLE) 1762 */ 1763 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active, 1764 bool, S_IRUGO); 1765 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); 1766 1767 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, S_IRUGO); 1768 MODULE_PARM_DESC(led_mode, "0=system default, " 1769 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); 1770 1771 module_param_named(power_save, iwlwifi_mod_params.power_save, 1772 bool, S_IRUGO); 1773 MODULE_PARM_DESC(power_save, 1774 "enable WiFi power management (default: disable)"); 1775 1776 module_param_named(power_level, iwlwifi_mod_params.power_level, 1777 int, S_IRUGO); 1778 MODULE_PARM_DESC(power_level, 1779 "default power save level (range from 1 - 5, default: 1)"); 1780 1781 module_param_named(fw_monitor, iwlwifi_mod_params.fw_monitor, bool, S_IRUGO); 1782 MODULE_PARM_DESC(fw_monitor, 1783 "firmware monitor - to debug FW (default: false - needs lots of memory)"); 1784 1785 module_param_named(d0i3_timeout, iwlwifi_mod_params.d0i3_timeout, 1786 uint, S_IRUGO); 1787 MODULE_PARM_DESC(d0i3_timeout, "Timeout to D0i3 entry when idle (ms)"); 1788 1789 module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, 1790 S_IRUGO); 1791 MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)"); 1792