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