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 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 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 "iwl-fw.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 char *name_pre = drv->trans->cfg->fw_name_pre; 215 char tag[8]; 216 217 if (first) { 218 drv->fw_index = drv->trans->cfg->ucode_api_max; 219 sprintf(tag, "%d", drv->fw_index); 220 } else { 221 drv->fw_index--; 222 sprintf(tag, "%d", drv->fw_index); 223 } 224 225 if (drv->fw_index < drv->trans->cfg->ucode_api_min) { 226 IWL_ERR(drv, "no suitable firmware found!\n"); 227 return -ENOENT; 228 } 229 230 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode", 231 name_pre, tag); 232 233 IWL_DEBUG_INFO(drv, "attempting to load firmware '%s'\n", 234 drv->firmware_name); 235 236 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name, 237 drv->trans->dev, 238 GFP_KERNEL, drv, iwl_req_fw_callback); 239 } 240 241 struct fw_img_parsing { 242 struct fw_sec *sec; 243 int sec_counter; 244 }; 245 246 /* 247 * struct fw_sec_parsing: to extract fw section and it's offset from tlv 248 */ 249 struct fw_sec_parsing { 250 __le32 offset; 251 const u8 data[]; 252 } __packed; 253 254 /** 255 * struct iwl_tlv_calib_data - parse the default calib data from TLV 256 * 257 * @ucode_type: the uCode to which the following default calib relates. 258 * @calib: default calibrations. 259 */ 260 struct iwl_tlv_calib_data { 261 __le32 ucode_type; 262 struct iwl_tlv_calib_ctrl calib; 263 } __packed; 264 265 struct iwl_firmware_pieces { 266 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX]; 267 268 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; 269 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; 270 271 /* FW debug data parsed for driver usage */ 272 struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv; 273 struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX]; 274 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX]; 275 struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX]; 276 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX]; 277 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv; 278 size_t n_dbg_mem_tlv; 279 }; 280 281 /* 282 * These functions are just to extract uCode section data from the pieces 283 * structure. 284 */ 285 static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces, 286 enum iwl_ucode_type type, 287 int sec) 288 { 289 return &pieces->img[type].sec[sec]; 290 } 291 292 static void alloc_sec_data(struct iwl_firmware_pieces *pieces, 293 enum iwl_ucode_type type, 294 int sec) 295 { 296 struct fw_img_parsing *img = &pieces->img[type]; 297 struct fw_sec *sec_memory; 298 int size = sec + 1; 299 size_t alloc_size = sizeof(*img->sec) * size; 300 301 if (img->sec && img->sec_counter >= size) 302 return; 303 304 sec_memory = krealloc(img->sec, alloc_size, GFP_KERNEL); 305 if (!sec_memory) 306 return; 307 308 img->sec = sec_memory; 309 img->sec_counter = size; 310 } 311 312 static void set_sec_data(struct iwl_firmware_pieces *pieces, 313 enum iwl_ucode_type type, 314 int sec, 315 const void *data) 316 { 317 alloc_sec_data(pieces, type, sec); 318 319 pieces->img[type].sec[sec].data = data; 320 } 321 322 static void set_sec_size(struct iwl_firmware_pieces *pieces, 323 enum iwl_ucode_type type, 324 int sec, 325 size_t size) 326 { 327 alloc_sec_data(pieces, type, sec); 328 329 pieces->img[type].sec[sec].size = size; 330 } 331 332 static size_t get_sec_size(struct iwl_firmware_pieces *pieces, 333 enum iwl_ucode_type type, 334 int sec) 335 { 336 return pieces->img[type].sec[sec].size; 337 } 338 339 static void set_sec_offset(struct iwl_firmware_pieces *pieces, 340 enum iwl_ucode_type type, 341 int sec, 342 u32 offset) 343 { 344 alloc_sec_data(pieces, type, sec); 345 346 pieces->img[type].sec[sec].offset = offset; 347 } 348 349 static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len) 350 { 351 int i, j; 352 struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data; 353 struct iwl_fw_cipher_scheme *fwcs; 354 355 if (len < sizeof(*l) || 356 len < sizeof(l->size) + l->size * sizeof(l->cs[0])) 357 return -EINVAL; 358 359 for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) { 360 fwcs = &l->cs[j]; 361 362 /* we skip schemes with zero cipher suite selector */ 363 if (!fwcs->cipher) 364 continue; 365 366 fw->cs[j++] = *fwcs; 367 } 368 369 return 0; 370 } 371 372 static void iwl_store_gscan_capa(struct iwl_fw *fw, const u8 *data, 373 const u32 len) 374 { 375 struct iwl_fw_gscan_capabilities *fw_capa = (void *)data; 376 struct iwl_gscan_capabilities *capa = &fw->gscan_capa; 377 378 capa->max_scan_cache_size = le32_to_cpu(fw_capa->max_scan_cache_size); 379 capa->max_scan_buckets = le32_to_cpu(fw_capa->max_scan_buckets); 380 capa->max_ap_cache_per_scan = 381 le32_to_cpu(fw_capa->max_ap_cache_per_scan); 382 capa->max_rssi_sample_size = le32_to_cpu(fw_capa->max_rssi_sample_size); 383 capa->max_scan_reporting_threshold = 384 le32_to_cpu(fw_capa->max_scan_reporting_threshold); 385 capa->max_hotlist_aps = le32_to_cpu(fw_capa->max_hotlist_aps); 386 capa->max_significant_change_aps = 387 le32_to_cpu(fw_capa->max_significant_change_aps); 388 capa->max_bssid_history_entries = 389 le32_to_cpu(fw_capa->max_bssid_history_entries); 390 capa->max_hotlist_ssids = le32_to_cpu(fw_capa->max_hotlist_ssids); 391 capa->max_number_epno_networks = 392 le32_to_cpu(fw_capa->max_number_epno_networks); 393 capa->max_number_epno_networks_by_ssid = 394 le32_to_cpu(fw_capa->max_number_epno_networks_by_ssid); 395 capa->max_number_of_white_listed_ssid = 396 le32_to_cpu(fw_capa->max_number_of_white_listed_ssid); 397 capa->max_number_of_black_listed_ssid = 398 le32_to_cpu(fw_capa->max_number_of_black_listed_ssid); 399 } 400 401 /* 402 * Gets uCode section from tlv. 403 */ 404 static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces, 405 const void *data, enum iwl_ucode_type type, 406 int size) 407 { 408 struct fw_img_parsing *img; 409 struct fw_sec *sec; 410 struct fw_sec_parsing *sec_parse; 411 size_t alloc_size; 412 413 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX)) 414 return -1; 415 416 sec_parse = (struct fw_sec_parsing *)data; 417 418 img = &pieces->img[type]; 419 420 alloc_size = sizeof(*img->sec) * (img->sec_counter + 1); 421 sec = krealloc(img->sec, alloc_size, GFP_KERNEL); 422 if (!sec) 423 return -ENOMEM; 424 img->sec = sec; 425 426 sec = &img->sec[img->sec_counter]; 427 428 sec->offset = le32_to_cpu(sec_parse->offset); 429 sec->data = sec_parse->data; 430 sec->size = size - sizeof(sec_parse->offset); 431 432 ++img->sec_counter; 433 434 return 0; 435 } 436 437 static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data) 438 { 439 struct iwl_tlv_calib_data *def_calib = 440 (struct iwl_tlv_calib_data *)data; 441 u32 ucode_type = le32_to_cpu(def_calib->ucode_type); 442 if (ucode_type >= IWL_UCODE_TYPE_MAX) { 443 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n", 444 ucode_type); 445 return -EINVAL; 446 } 447 drv->fw.default_calib[ucode_type].flow_trigger = 448 def_calib->calib.flow_trigger; 449 drv->fw.default_calib[ucode_type].event_trigger = 450 def_calib->calib.event_trigger; 451 452 return 0; 453 } 454 455 static int iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data, 456 struct iwl_ucode_capabilities *capa) 457 { 458 const struct iwl_ucode_api *ucode_api = (void *)data; 459 u32 api_index = le32_to_cpu(ucode_api->api_index); 460 u32 api_flags = le32_to_cpu(ucode_api->api_flags); 461 int i; 462 463 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) { 464 IWL_ERR(drv, 465 "api flags index %d larger than supported by driver\n", 466 api_index); 467 /* don't return an error so we can load FW that has more bits */ 468 return 0; 469 } 470 471 for (i = 0; i < 32; i++) { 472 if (api_flags & BIT(i)) 473 __set_bit(i + 32 * api_index, capa->_api); 474 } 475 476 return 0; 477 } 478 479 static int iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data, 480 struct iwl_ucode_capabilities *capa) 481 { 482 const struct iwl_ucode_capa *ucode_capa = (void *)data; 483 u32 api_index = le32_to_cpu(ucode_capa->api_index); 484 u32 api_flags = le32_to_cpu(ucode_capa->api_capa); 485 int i; 486 487 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) { 488 IWL_ERR(drv, 489 "capa flags index %d larger than supported by driver\n", 490 api_index); 491 /* don't return an error so we can load FW that has more bits */ 492 return 0; 493 } 494 495 for (i = 0; i < 32; i++) { 496 if (api_flags & BIT(i)) 497 __set_bit(i + 32 * api_index, capa->_capa); 498 } 499 500 return 0; 501 } 502 503 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv, 504 const struct firmware *ucode_raw, 505 struct iwl_firmware_pieces *pieces) 506 { 507 struct iwl_ucode_header *ucode = (void *)ucode_raw->data; 508 u32 api_ver, hdr_size, build; 509 char buildstr[25]; 510 const u8 *src; 511 512 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 513 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 514 515 switch (api_ver) { 516 default: 517 hdr_size = 28; 518 if (ucode_raw->size < hdr_size) { 519 IWL_ERR(drv, "File size too small!\n"); 520 return -EINVAL; 521 } 522 build = le32_to_cpu(ucode->u.v2.build); 523 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 524 le32_to_cpu(ucode->u.v2.inst_size)); 525 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 526 le32_to_cpu(ucode->u.v2.data_size)); 527 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 528 le32_to_cpu(ucode->u.v2.init_size)); 529 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 530 le32_to_cpu(ucode->u.v2.init_data_size)); 531 src = ucode->u.v2.data; 532 break; 533 case 0: 534 case 1: 535 case 2: 536 hdr_size = 24; 537 if (ucode_raw->size < hdr_size) { 538 IWL_ERR(drv, "File size too small!\n"); 539 return -EINVAL; 540 } 541 build = 0; 542 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 543 le32_to_cpu(ucode->u.v1.inst_size)); 544 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 545 le32_to_cpu(ucode->u.v1.data_size)); 546 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 547 le32_to_cpu(ucode->u.v1.init_size)); 548 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 549 le32_to_cpu(ucode->u.v1.init_data_size)); 550 src = ucode->u.v1.data; 551 break; 552 } 553 554 if (build) 555 sprintf(buildstr, " build %u", build); 556 else 557 buildstr[0] = '\0'; 558 559 snprintf(drv->fw.fw_version, 560 sizeof(drv->fw.fw_version), 561 "%u.%u.%u.%u%s", 562 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 563 IWL_UCODE_MINOR(drv->fw.ucode_ver), 564 IWL_UCODE_API(drv->fw.ucode_ver), 565 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 566 buildstr); 567 568 /* Verify size of file vs. image size info in file's header */ 569 570 if (ucode_raw->size != hdr_size + 571 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) + 572 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) + 573 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) + 574 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { 575 576 IWL_ERR(drv, 577 "uCode file size %d does not match expected size\n", 578 (int)ucode_raw->size); 579 return -EINVAL; 580 } 581 582 583 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src); 584 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST); 585 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 586 IWLAGN_RTC_INST_LOWER_BOUND); 587 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src); 588 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA); 589 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 590 IWLAGN_RTC_DATA_LOWER_BOUND); 591 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src); 592 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST); 593 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 594 IWLAGN_RTC_INST_LOWER_BOUND); 595 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src); 596 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA); 597 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 598 IWLAGN_RTC_DATA_LOWER_BOUND); 599 return 0; 600 } 601 602 static int iwl_parse_tlv_firmware(struct iwl_drv *drv, 603 const struct firmware *ucode_raw, 604 struct iwl_firmware_pieces *pieces, 605 struct iwl_ucode_capabilities *capa, 606 bool *usniffer_images) 607 { 608 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; 609 struct iwl_ucode_tlv *tlv; 610 size_t len = ucode_raw->size; 611 const u8 *data; 612 u32 tlv_len; 613 u32 usniffer_img; 614 enum iwl_ucode_tlv_type tlv_type; 615 const u8 *tlv_data; 616 char buildstr[25]; 617 u32 build, paging_mem_size; 618 int num_of_cpus; 619 bool usniffer_req = false; 620 bool gscan_capa = false; 621 622 if (len < sizeof(*ucode)) { 623 IWL_ERR(drv, "uCode has invalid length: %zd\n", len); 624 return -EINVAL; 625 } 626 627 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { 628 IWL_ERR(drv, "invalid uCode magic: 0X%x\n", 629 le32_to_cpu(ucode->magic)); 630 return -EINVAL; 631 } 632 633 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 634 memcpy(drv->fw.human_readable, ucode->human_readable, 635 sizeof(drv->fw.human_readable)); 636 build = le32_to_cpu(ucode->build); 637 638 if (build) 639 sprintf(buildstr, " build %u", build); 640 else 641 buildstr[0] = '\0'; 642 643 snprintf(drv->fw.fw_version, 644 sizeof(drv->fw.fw_version), 645 "%u.%u.%u.%u%s", 646 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 647 IWL_UCODE_MINOR(drv->fw.ucode_ver), 648 IWL_UCODE_API(drv->fw.ucode_ver), 649 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 650 buildstr); 651 652 data = ucode->data; 653 654 len -= sizeof(*ucode); 655 656 while (len >= sizeof(*tlv)) { 657 len -= sizeof(*tlv); 658 tlv = (void *)data; 659 660 tlv_len = le32_to_cpu(tlv->length); 661 tlv_type = le32_to_cpu(tlv->type); 662 tlv_data = tlv->data; 663 664 if (len < tlv_len) { 665 IWL_ERR(drv, "invalid TLV len: %zd/%u\n", 666 len, tlv_len); 667 return -EINVAL; 668 } 669 len -= ALIGN(tlv_len, 4); 670 data += sizeof(*tlv) + ALIGN(tlv_len, 4); 671 672 switch (tlv_type) { 673 case IWL_UCODE_TLV_INST: 674 set_sec_data(pieces, IWL_UCODE_REGULAR, 675 IWL_UCODE_SECTION_INST, tlv_data); 676 set_sec_size(pieces, IWL_UCODE_REGULAR, 677 IWL_UCODE_SECTION_INST, tlv_len); 678 set_sec_offset(pieces, IWL_UCODE_REGULAR, 679 IWL_UCODE_SECTION_INST, 680 IWLAGN_RTC_INST_LOWER_BOUND); 681 break; 682 case IWL_UCODE_TLV_DATA: 683 set_sec_data(pieces, IWL_UCODE_REGULAR, 684 IWL_UCODE_SECTION_DATA, tlv_data); 685 set_sec_size(pieces, IWL_UCODE_REGULAR, 686 IWL_UCODE_SECTION_DATA, tlv_len); 687 set_sec_offset(pieces, IWL_UCODE_REGULAR, 688 IWL_UCODE_SECTION_DATA, 689 IWLAGN_RTC_DATA_LOWER_BOUND); 690 break; 691 case IWL_UCODE_TLV_INIT: 692 set_sec_data(pieces, IWL_UCODE_INIT, 693 IWL_UCODE_SECTION_INST, tlv_data); 694 set_sec_size(pieces, IWL_UCODE_INIT, 695 IWL_UCODE_SECTION_INST, tlv_len); 696 set_sec_offset(pieces, IWL_UCODE_INIT, 697 IWL_UCODE_SECTION_INST, 698 IWLAGN_RTC_INST_LOWER_BOUND); 699 break; 700 case IWL_UCODE_TLV_INIT_DATA: 701 set_sec_data(pieces, IWL_UCODE_INIT, 702 IWL_UCODE_SECTION_DATA, tlv_data); 703 set_sec_size(pieces, IWL_UCODE_INIT, 704 IWL_UCODE_SECTION_DATA, tlv_len); 705 set_sec_offset(pieces, IWL_UCODE_INIT, 706 IWL_UCODE_SECTION_DATA, 707 IWLAGN_RTC_DATA_LOWER_BOUND); 708 break; 709 case IWL_UCODE_TLV_BOOT: 710 IWL_ERR(drv, "Found unexpected BOOT ucode\n"); 711 break; 712 case IWL_UCODE_TLV_PROBE_MAX_LEN: 713 if (tlv_len != sizeof(u32)) 714 goto invalid_tlv_len; 715 capa->max_probe_length = 716 le32_to_cpup((__le32 *)tlv_data); 717 break; 718 case IWL_UCODE_TLV_PAN: 719 if (tlv_len) 720 goto invalid_tlv_len; 721 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; 722 break; 723 case IWL_UCODE_TLV_FLAGS: 724 /* must be at least one u32 */ 725 if (tlv_len < sizeof(u32)) 726 goto invalid_tlv_len; 727 /* and a proper number of u32s */ 728 if (tlv_len % sizeof(u32)) 729 goto invalid_tlv_len; 730 /* 731 * This driver only reads the first u32 as 732 * right now no more features are defined, 733 * if that changes then either the driver 734 * will not work with the new firmware, or 735 * it'll not take advantage of new features. 736 */ 737 capa->flags = le32_to_cpup((__le32 *)tlv_data); 738 break; 739 case IWL_UCODE_TLV_API_CHANGES_SET: 740 if (tlv_len != sizeof(struct iwl_ucode_api)) 741 goto invalid_tlv_len; 742 if (iwl_set_ucode_api_flags(drv, tlv_data, capa)) 743 goto tlv_error; 744 break; 745 case IWL_UCODE_TLV_ENABLED_CAPABILITIES: 746 if (tlv_len != sizeof(struct iwl_ucode_capa)) 747 goto invalid_tlv_len; 748 if (iwl_set_ucode_capabilities(drv, tlv_data, capa)) 749 goto tlv_error; 750 break; 751 case IWL_UCODE_TLV_INIT_EVTLOG_PTR: 752 if (tlv_len != sizeof(u32)) 753 goto invalid_tlv_len; 754 pieces->init_evtlog_ptr = 755 le32_to_cpup((__le32 *)tlv_data); 756 break; 757 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: 758 if (tlv_len != sizeof(u32)) 759 goto invalid_tlv_len; 760 pieces->init_evtlog_size = 761 le32_to_cpup((__le32 *)tlv_data); 762 break; 763 case IWL_UCODE_TLV_INIT_ERRLOG_PTR: 764 if (tlv_len != sizeof(u32)) 765 goto invalid_tlv_len; 766 pieces->init_errlog_ptr = 767 le32_to_cpup((__le32 *)tlv_data); 768 break; 769 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: 770 if (tlv_len != sizeof(u32)) 771 goto invalid_tlv_len; 772 pieces->inst_evtlog_ptr = 773 le32_to_cpup((__le32 *)tlv_data); 774 break; 775 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: 776 if (tlv_len != sizeof(u32)) 777 goto invalid_tlv_len; 778 pieces->inst_evtlog_size = 779 le32_to_cpup((__le32 *)tlv_data); 780 break; 781 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: 782 if (tlv_len != sizeof(u32)) 783 goto invalid_tlv_len; 784 pieces->inst_errlog_ptr = 785 le32_to_cpup((__le32 *)tlv_data); 786 break; 787 case IWL_UCODE_TLV_ENHANCE_SENS_TBL: 788 if (tlv_len) 789 goto invalid_tlv_len; 790 drv->fw.enhance_sensitivity_table = true; 791 break; 792 case IWL_UCODE_TLV_WOWLAN_INST: 793 set_sec_data(pieces, IWL_UCODE_WOWLAN, 794 IWL_UCODE_SECTION_INST, tlv_data); 795 set_sec_size(pieces, IWL_UCODE_WOWLAN, 796 IWL_UCODE_SECTION_INST, tlv_len); 797 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 798 IWL_UCODE_SECTION_INST, 799 IWLAGN_RTC_INST_LOWER_BOUND); 800 break; 801 case IWL_UCODE_TLV_WOWLAN_DATA: 802 set_sec_data(pieces, IWL_UCODE_WOWLAN, 803 IWL_UCODE_SECTION_DATA, tlv_data); 804 set_sec_size(pieces, IWL_UCODE_WOWLAN, 805 IWL_UCODE_SECTION_DATA, tlv_len); 806 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 807 IWL_UCODE_SECTION_DATA, 808 IWLAGN_RTC_DATA_LOWER_BOUND); 809 break; 810 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: 811 if (tlv_len != sizeof(u32)) 812 goto invalid_tlv_len; 813 capa->standard_phy_calibration_size = 814 le32_to_cpup((__le32 *)tlv_data); 815 break; 816 case IWL_UCODE_TLV_SEC_RT: 817 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 818 tlv_len); 819 drv->fw.type = IWL_FW_MVM; 820 break; 821 case IWL_UCODE_TLV_SEC_INIT: 822 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 823 tlv_len); 824 drv->fw.type = IWL_FW_MVM; 825 break; 826 case IWL_UCODE_TLV_SEC_WOWLAN: 827 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 828 tlv_len); 829 drv->fw.type = IWL_FW_MVM; 830 break; 831 case IWL_UCODE_TLV_DEF_CALIB: 832 if (tlv_len != sizeof(struct iwl_tlv_calib_data)) 833 goto invalid_tlv_len; 834 if (iwl_set_default_calib(drv, tlv_data)) 835 goto tlv_error; 836 break; 837 case IWL_UCODE_TLV_PHY_SKU: 838 if (tlv_len != sizeof(u32)) 839 goto invalid_tlv_len; 840 drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data); 841 drv->fw.valid_tx_ant = (drv->fw.phy_config & 842 FW_PHY_CFG_TX_CHAIN) >> 843 FW_PHY_CFG_TX_CHAIN_POS; 844 drv->fw.valid_rx_ant = (drv->fw.phy_config & 845 FW_PHY_CFG_RX_CHAIN) >> 846 FW_PHY_CFG_RX_CHAIN_POS; 847 break; 848 case IWL_UCODE_TLV_SECURE_SEC_RT: 849 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 850 tlv_len); 851 drv->fw.type = IWL_FW_MVM; 852 break; 853 case IWL_UCODE_TLV_SECURE_SEC_INIT: 854 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 855 tlv_len); 856 drv->fw.type = IWL_FW_MVM; 857 break; 858 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN: 859 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 860 tlv_len); 861 drv->fw.type = IWL_FW_MVM; 862 break; 863 case IWL_UCODE_TLV_NUM_OF_CPU: 864 if (tlv_len != sizeof(u32)) 865 goto invalid_tlv_len; 866 num_of_cpus = 867 le32_to_cpup((__le32 *)tlv_data); 868 869 if (num_of_cpus == 2) { 870 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus = 871 true; 872 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus = 873 true; 874 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus = 875 true; 876 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) { 877 IWL_ERR(drv, "Driver support upto 2 CPUs\n"); 878 return -EINVAL; 879 } 880 break; 881 case IWL_UCODE_TLV_CSCHEME: 882 if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len)) 883 goto invalid_tlv_len; 884 break; 885 case IWL_UCODE_TLV_N_SCAN_CHANNELS: 886 if (tlv_len != sizeof(u32)) 887 goto invalid_tlv_len; 888 capa->n_scan_channels = 889 le32_to_cpup((__le32 *)tlv_data); 890 break; 891 case IWL_UCODE_TLV_FW_VERSION: { 892 __le32 *ptr = (void *)tlv_data; 893 u32 major, minor; 894 u8 local_comp; 895 896 if (tlv_len != sizeof(u32) * 3) 897 goto invalid_tlv_len; 898 899 major = le32_to_cpup(ptr++); 900 minor = le32_to_cpup(ptr++); 901 local_comp = le32_to_cpup(ptr); 902 903 snprintf(drv->fw.fw_version, 904 sizeof(drv->fw.fw_version), "%u.%u.%u", 905 major, minor, local_comp); 906 break; 907 } 908 case IWL_UCODE_TLV_FW_DBG_DEST: { 909 struct iwl_fw_dbg_dest_tlv *dest = (void *)tlv_data; 910 911 if (pieces->dbg_dest_tlv) { 912 IWL_ERR(drv, 913 "dbg destination ignored, already exists\n"); 914 break; 915 } 916 917 pieces->dbg_dest_tlv = dest; 918 IWL_INFO(drv, "Found debug destination: %s\n", 919 get_fw_dbg_mode_string(dest->monitor_mode)); 920 921 drv->fw.dbg_dest_reg_num = 922 tlv_len - offsetof(struct iwl_fw_dbg_dest_tlv, 923 reg_ops); 924 drv->fw.dbg_dest_reg_num /= 925 sizeof(drv->fw.dbg_dest_tlv->reg_ops[0]); 926 927 break; 928 } 929 case IWL_UCODE_TLV_FW_DBG_CONF: { 930 struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data; 931 932 if (!pieces->dbg_dest_tlv) { 933 IWL_ERR(drv, 934 "Ignore dbg config %d - no destination configured\n", 935 conf->id); 936 break; 937 } 938 939 if (conf->id >= ARRAY_SIZE(drv->fw.dbg_conf_tlv)) { 940 IWL_ERR(drv, 941 "Skip unknown configuration: %d\n", 942 conf->id); 943 break; 944 } 945 946 if (pieces->dbg_conf_tlv[conf->id]) { 947 IWL_ERR(drv, 948 "Ignore duplicate dbg config %d\n", 949 conf->id); 950 break; 951 } 952 953 if (conf->usniffer) 954 usniffer_req = true; 955 956 IWL_INFO(drv, "Found debug configuration: %d\n", 957 conf->id); 958 959 pieces->dbg_conf_tlv[conf->id] = conf; 960 pieces->dbg_conf_tlv_len[conf->id] = tlv_len; 961 break; 962 } 963 case IWL_UCODE_TLV_FW_DBG_TRIGGER: { 964 struct iwl_fw_dbg_trigger_tlv *trigger = 965 (void *)tlv_data; 966 u32 trigger_id = le32_to_cpu(trigger->id); 967 968 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg_trigger_tlv)) { 969 IWL_ERR(drv, 970 "Skip unknown trigger: %u\n", 971 trigger->id); 972 break; 973 } 974 975 if (pieces->dbg_trigger_tlv[trigger_id]) { 976 IWL_ERR(drv, 977 "Ignore duplicate dbg trigger %u\n", 978 trigger->id); 979 break; 980 } 981 982 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id); 983 984 pieces->dbg_trigger_tlv[trigger_id] = trigger; 985 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len; 986 break; 987 } 988 case IWL_UCODE_TLV_SEC_RT_USNIFFER: 989 *usniffer_images = true; 990 iwl_store_ucode_sec(pieces, tlv_data, 991 IWL_UCODE_REGULAR_USNIFFER, 992 tlv_len); 993 break; 994 case IWL_UCODE_TLV_PAGING: 995 if (tlv_len != sizeof(u32)) 996 goto invalid_tlv_len; 997 paging_mem_size = le32_to_cpup((__le32 *)tlv_data); 998 999 IWL_DEBUG_FW(drv, 1000 "Paging: paging enabled (size = %u bytes)\n", 1001 paging_mem_size); 1002 1003 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) { 1004 IWL_ERR(drv, 1005 "Paging: driver supports up to %lu bytes for paging image\n", 1006 MAX_PAGING_IMAGE_SIZE); 1007 return -EINVAL; 1008 } 1009 1010 if (paging_mem_size & (FW_PAGING_SIZE - 1)) { 1011 IWL_ERR(drv, 1012 "Paging: image isn't multiple %lu\n", 1013 FW_PAGING_SIZE); 1014 return -EINVAL; 1015 } 1016 1017 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size = 1018 paging_mem_size; 1019 usniffer_img = IWL_UCODE_REGULAR_USNIFFER; 1020 drv->fw.img[usniffer_img].paging_mem_size = 1021 paging_mem_size; 1022 break; 1023 case IWL_UCODE_TLV_SDIO_ADMA_ADDR: 1024 if (tlv_len != sizeof(u32)) 1025 goto invalid_tlv_len; 1026 drv->fw.sdio_adma_addr = 1027 le32_to_cpup((__le32 *)tlv_data); 1028 break; 1029 case IWL_UCODE_TLV_FW_GSCAN_CAPA: 1030 /* 1031 * Don't return an error in case of a shorter tlv_len 1032 * to enable loading of FW that has an old format 1033 * of GSCAN capabilities TLV. 1034 */ 1035 if (tlv_len < sizeof(struct iwl_fw_gscan_capabilities)) 1036 break; 1037 1038 iwl_store_gscan_capa(&drv->fw, tlv_data, tlv_len); 1039 gscan_capa = true; 1040 break; 1041 case IWL_UCODE_TLV_FW_MEM_SEG: { 1042 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem = 1043 (void *)tlv_data; 1044 u32 type; 1045 size_t size; 1046 struct iwl_fw_dbg_mem_seg_tlv *n; 1047 1048 if (tlv_len != (sizeof(*dbg_mem))) 1049 goto invalid_tlv_len; 1050 1051 type = le32_to_cpu(dbg_mem->data_type); 1052 1053 IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n", 1054 dbg_mem->data_type); 1055 1056 switch (type & FW_DBG_MEM_TYPE_MASK) { 1057 case FW_DBG_MEM_TYPE_REGULAR: 1058 case FW_DBG_MEM_TYPE_PRPH: 1059 /* we know how to handle these */ 1060 break; 1061 default: 1062 IWL_ERR(drv, 1063 "Found debug memory segment with invalid type: 0x%x\n", 1064 type); 1065 return -EINVAL; 1066 } 1067 1068 size = sizeof(*pieces->dbg_mem_tlv) * 1069 (pieces->n_dbg_mem_tlv + 1); 1070 n = krealloc(pieces->dbg_mem_tlv, size, GFP_KERNEL); 1071 if (!n) 1072 return -ENOMEM; 1073 pieces->dbg_mem_tlv = n; 1074 pieces->dbg_mem_tlv[pieces->n_dbg_mem_tlv] = *dbg_mem; 1075 pieces->n_dbg_mem_tlv++; 1076 break; 1077 } 1078 default: 1079 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); 1080 break; 1081 } 1082 } 1083 1084 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) && 1085 usniffer_req && !*usniffer_images) { 1086 IWL_ERR(drv, 1087 "user selected to work with usniffer but usniffer image isn't available in ucode package\n"); 1088 return -EINVAL; 1089 } 1090 1091 if (len) { 1092 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); 1093 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len); 1094 return -EINVAL; 1095 } 1096 1097 /* 1098 * If ucode advertises that it supports GSCAN but GSCAN 1099 * capabilities TLV is not present, or if it has an old format, 1100 * warn and continue without GSCAN. 1101 */ 1102 if (fw_has_capa(capa, IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT) && 1103 !gscan_capa) { 1104 IWL_DEBUG_INFO(drv, 1105 "GSCAN is supported but capabilities TLV is unavailable\n"); 1106 __clear_bit((__force long)IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT, 1107 capa->_capa); 1108 } 1109 1110 return 0; 1111 1112 invalid_tlv_len: 1113 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); 1114 tlv_error: 1115 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); 1116 1117 return -EINVAL; 1118 } 1119 1120 static int iwl_alloc_ucode(struct iwl_drv *drv, 1121 struct iwl_firmware_pieces *pieces, 1122 enum iwl_ucode_type type) 1123 { 1124 int i; 1125 struct fw_desc *sec; 1126 1127 sec = kcalloc(pieces->img[type].sec_counter, sizeof(*sec), GFP_KERNEL); 1128 if (!sec) 1129 return -ENOMEM; 1130 drv->fw.img[type].sec = sec; 1131 drv->fw.img[type].num_sec = pieces->img[type].sec_counter; 1132 1133 for (i = 0; i < pieces->img[type].sec_counter; i++) 1134 if (iwl_alloc_fw_desc(drv, &sec[i], get_sec(pieces, type, i))) 1135 return -ENOMEM; 1136 1137 return 0; 1138 } 1139 1140 static int validate_sec_sizes(struct iwl_drv *drv, 1141 struct iwl_firmware_pieces *pieces, 1142 const struct iwl_cfg *cfg) 1143 { 1144 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %zd\n", 1145 get_sec_size(pieces, IWL_UCODE_REGULAR, 1146 IWL_UCODE_SECTION_INST)); 1147 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %zd\n", 1148 get_sec_size(pieces, IWL_UCODE_REGULAR, 1149 IWL_UCODE_SECTION_DATA)); 1150 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %zd\n", 1151 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); 1152 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %zd\n", 1153 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); 1154 1155 /* Verify that uCode images will fit in card's SRAM. */ 1156 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > 1157 cfg->max_inst_size) { 1158 IWL_ERR(drv, "uCode instr len %zd too large to fit in\n", 1159 get_sec_size(pieces, IWL_UCODE_REGULAR, 1160 IWL_UCODE_SECTION_INST)); 1161 return -1; 1162 } 1163 1164 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > 1165 cfg->max_data_size) { 1166 IWL_ERR(drv, "uCode data len %zd too large to fit in\n", 1167 get_sec_size(pieces, IWL_UCODE_REGULAR, 1168 IWL_UCODE_SECTION_DATA)); 1169 return -1; 1170 } 1171 1172 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > 1173 cfg->max_inst_size) { 1174 IWL_ERR(drv, "uCode init instr len %zd too large to fit in\n", 1175 get_sec_size(pieces, IWL_UCODE_INIT, 1176 IWL_UCODE_SECTION_INST)); 1177 return -1; 1178 } 1179 1180 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > 1181 cfg->max_data_size) { 1182 IWL_ERR(drv, "uCode init data len %zd too large to fit in\n", 1183 get_sec_size(pieces, IWL_UCODE_REGULAR, 1184 IWL_UCODE_SECTION_DATA)); 1185 return -1; 1186 } 1187 return 0; 1188 } 1189 1190 static struct iwl_op_mode * 1191 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op) 1192 { 1193 const struct iwl_op_mode_ops *ops = op->ops; 1194 struct dentry *dbgfs_dir = NULL; 1195 struct iwl_op_mode *op_mode = NULL; 1196 1197 #ifdef CONFIG_IWLWIFI_DEBUGFS 1198 drv->dbgfs_op_mode = debugfs_create_dir(op->name, 1199 drv->dbgfs_drv); 1200 if (!drv->dbgfs_op_mode) { 1201 IWL_ERR(drv, 1202 "failed to create opmode debugfs directory\n"); 1203 return op_mode; 1204 } 1205 dbgfs_dir = drv->dbgfs_op_mode; 1206 #endif 1207 1208 op_mode = ops->start(drv->trans, drv->trans->cfg, &drv->fw, dbgfs_dir); 1209 1210 #ifdef CONFIG_IWLWIFI_DEBUGFS 1211 if (!op_mode) { 1212 debugfs_remove_recursive(drv->dbgfs_op_mode); 1213 drv->dbgfs_op_mode = NULL; 1214 } 1215 #endif 1216 1217 return op_mode; 1218 } 1219 1220 static void _iwl_op_mode_stop(struct iwl_drv *drv) 1221 { 1222 /* op_mode can be NULL if its start failed */ 1223 if (drv->op_mode) { 1224 iwl_op_mode_stop(drv->op_mode); 1225 drv->op_mode = NULL; 1226 1227 #ifdef CONFIG_IWLWIFI_DEBUGFS 1228 debugfs_remove_recursive(drv->dbgfs_op_mode); 1229 drv->dbgfs_op_mode = NULL; 1230 #endif 1231 } 1232 } 1233 1234 /** 1235 * iwl_req_fw_callback - callback when firmware was loaded 1236 * 1237 * If loaded successfully, copies the firmware into buffers 1238 * for the card to fetch (via DMA). 1239 */ 1240 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) 1241 { 1242 struct iwl_drv *drv = context; 1243 struct iwl_fw *fw = &drv->fw; 1244 struct iwl_ucode_header *ucode; 1245 struct iwlwifi_opmode_table *op; 1246 int err; 1247 struct iwl_firmware_pieces *pieces; 1248 const unsigned int api_max = drv->trans->cfg->ucode_api_max; 1249 const unsigned int api_min = drv->trans->cfg->ucode_api_min; 1250 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX]; 1251 u32 api_ver; 1252 int i; 1253 bool load_module = false; 1254 bool usniffer_images = false; 1255 1256 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH; 1257 fw->ucode_capa.standard_phy_calibration_size = 1258 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1259 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS; 1260 1261 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL); 1262 if (!pieces) 1263 return; 1264 1265 if (!ucode_raw) 1266 goto try_again; 1267 1268 IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n", 1269 drv->firmware_name, ucode_raw->size); 1270 1271 /* Make sure that we got at least the API version number */ 1272 if (ucode_raw->size < 4) { 1273 IWL_ERR(drv, "File size way too small!\n"); 1274 goto try_again; 1275 } 1276 1277 /* Data from ucode file: header followed by uCode images */ 1278 ucode = (struct iwl_ucode_header *)ucode_raw->data; 1279 1280 if (ucode->ver) 1281 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces); 1282 else 1283 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces, 1284 &fw->ucode_capa, &usniffer_images); 1285 1286 if (err) 1287 goto try_again; 1288 1289 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION)) 1290 api_ver = drv->fw.ucode_ver; 1291 else 1292 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 1293 1294 /* 1295 * api_ver should match the api version forming part of the 1296 * firmware filename ... but we don't check for that and only rely 1297 * on the API version read from firmware header from here on forward 1298 */ 1299 if (api_ver < api_min || api_ver > api_max) { 1300 IWL_ERR(drv, 1301 "Driver unable to support your firmware API. " 1302 "Driver supports v%u, firmware is v%u.\n", 1303 api_max, api_ver); 1304 goto try_again; 1305 } 1306 1307 /* 1308 * In mvm uCode there is no difference between data and instructions 1309 * sections. 1310 */ 1311 if (fw->type == IWL_FW_DVM && validate_sec_sizes(drv, pieces, 1312 drv->trans->cfg)) 1313 goto try_again; 1314 1315 /* Allocate ucode buffers for card's bus-master loading ... */ 1316 1317 /* Runtime instructions and 2 copies of data: 1318 * 1) unmodified from disk 1319 * 2) backup cache for save/restore during power-downs */ 1320 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 1321 if (iwl_alloc_ucode(drv, pieces, i)) 1322 goto out_free_fw; 1323 1324 if (pieces->dbg_dest_tlv) { 1325 drv->fw.dbg_dest_tlv = 1326 kmemdup(pieces->dbg_dest_tlv, 1327 sizeof(*pieces->dbg_dest_tlv) + 1328 sizeof(pieces->dbg_dest_tlv->reg_ops[0]) * 1329 drv->fw.dbg_dest_reg_num, GFP_KERNEL); 1330 1331 if (!drv->fw.dbg_dest_tlv) 1332 goto out_free_fw; 1333 } 1334 1335 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++) { 1336 if (pieces->dbg_conf_tlv[i]) { 1337 drv->fw.dbg_conf_tlv_len[i] = 1338 pieces->dbg_conf_tlv_len[i]; 1339 drv->fw.dbg_conf_tlv[i] = 1340 kmemdup(pieces->dbg_conf_tlv[i], 1341 drv->fw.dbg_conf_tlv_len[i], 1342 GFP_KERNEL); 1343 if (!drv->fw.dbg_conf_tlv[i]) 1344 goto out_free_fw; 1345 } 1346 } 1347 1348 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz)); 1349 1350 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] = 1351 sizeof(struct iwl_fw_dbg_trigger_missed_bcon); 1352 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0; 1353 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] = 1354 sizeof(struct iwl_fw_dbg_trigger_cmd); 1355 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] = 1356 sizeof(struct iwl_fw_dbg_trigger_mlme); 1357 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] = 1358 sizeof(struct iwl_fw_dbg_trigger_stats); 1359 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] = 1360 sizeof(struct iwl_fw_dbg_trigger_low_rssi); 1361 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] = 1362 sizeof(struct iwl_fw_dbg_trigger_txq_timer); 1363 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] = 1364 sizeof(struct iwl_fw_dbg_trigger_time_event); 1365 trigger_tlv_sz[FW_DBG_TRIGGER_BA] = 1366 sizeof(struct iwl_fw_dbg_trigger_ba); 1367 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] = 1368 sizeof(struct iwl_fw_dbg_trigger_tdls); 1369 1370 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++) { 1371 if (pieces->dbg_trigger_tlv[i]) { 1372 /* 1373 * If the trigger isn't long enough, WARN and exit. 1374 * Someone is trying to debug something and he won't 1375 * be able to catch the bug he is trying to chase. 1376 * We'd better be noisy to be sure he knows what's 1377 * going on. 1378 */ 1379 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] < 1380 (trigger_tlv_sz[i] + 1381 sizeof(struct iwl_fw_dbg_trigger_tlv)))) 1382 goto out_free_fw; 1383 drv->fw.dbg_trigger_tlv_len[i] = 1384 pieces->dbg_trigger_tlv_len[i]; 1385 drv->fw.dbg_trigger_tlv[i] = 1386 kmemdup(pieces->dbg_trigger_tlv[i], 1387 drv->fw.dbg_trigger_tlv_len[i], 1388 GFP_KERNEL); 1389 if (!drv->fw.dbg_trigger_tlv[i]) 1390 goto out_free_fw; 1391 } 1392 } 1393 1394 /* Now that we can no longer fail, copy information */ 1395 1396 drv->fw.dbg_mem_tlv = pieces->dbg_mem_tlv; 1397 pieces->dbg_mem_tlv = NULL; 1398 drv->fw.n_dbg_mem_tlv = pieces->n_dbg_mem_tlv; 1399 1400 /* 1401 * The (size - 16) / 12 formula is based on the information recorded 1402 * for each event, which is of mode 1 (including timestamp) for all 1403 * new microcodes that include this information. 1404 */ 1405 fw->init_evtlog_ptr = pieces->init_evtlog_ptr; 1406 if (pieces->init_evtlog_size) 1407 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12; 1408 else 1409 fw->init_evtlog_size = 1410 drv->trans->cfg->base_params->max_event_log_size; 1411 fw->init_errlog_ptr = pieces->init_errlog_ptr; 1412 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr; 1413 if (pieces->inst_evtlog_size) 1414 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12; 1415 else 1416 fw->inst_evtlog_size = 1417 drv->trans->cfg->base_params->max_event_log_size; 1418 fw->inst_errlog_ptr = pieces->inst_errlog_ptr; 1419 1420 /* 1421 * figure out the offset of chain noise reset and gain commands 1422 * base on the size of standard phy calibration commands table size 1423 */ 1424 if (fw->ucode_capa.standard_phy_calibration_size > 1425 IWL_MAX_PHY_CALIBRATE_TBL_SIZE) 1426 fw->ucode_capa.standard_phy_calibration_size = 1427 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1428 1429 /* We have our copies now, allow OS release its copies */ 1430 release_firmware(ucode_raw); 1431 1432 mutex_lock(&iwlwifi_opmode_table_mtx); 1433 switch (fw->type) { 1434 case IWL_FW_DVM: 1435 op = &iwlwifi_opmode_table[DVM_OP_MODE]; 1436 break; 1437 default: 1438 WARN(1, "Invalid fw type %d\n", fw->type); 1439 case IWL_FW_MVM: 1440 op = &iwlwifi_opmode_table[MVM_OP_MODE]; 1441 break; 1442 } 1443 1444 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n", 1445 drv->fw.fw_version, op->name); 1446 1447 /* add this device to the list of devices using this op_mode */ 1448 list_add_tail(&drv->list, &op->drv); 1449 1450 if (op->ops) { 1451 drv->op_mode = _iwl_op_mode_start(drv, op); 1452 1453 if (!drv->op_mode) { 1454 mutex_unlock(&iwlwifi_opmode_table_mtx); 1455 goto out_unbind; 1456 } 1457 } else { 1458 load_module = true; 1459 } 1460 mutex_unlock(&iwlwifi_opmode_table_mtx); 1461 1462 /* 1463 * Complete the firmware request last so that 1464 * a driver unbind (stop) doesn't run while we 1465 * are doing the start() above. 1466 */ 1467 complete(&drv->request_firmware_complete); 1468 1469 /* 1470 * Load the module last so we don't block anything 1471 * else from proceeding if the module fails to load 1472 * or hangs loading. 1473 */ 1474 if (load_module) { 1475 err = request_module("%s", op->name); 1476 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR 1477 if (err) 1478 IWL_ERR(drv, 1479 "failed to load module %s (error %d), is dynamic loading enabled?\n", 1480 op->name, err); 1481 #endif 1482 } 1483 goto free; 1484 1485 try_again: 1486 /* try next, if any */ 1487 release_firmware(ucode_raw); 1488 if (iwl_request_firmware(drv, false)) 1489 goto out_unbind; 1490 goto free; 1491 1492 out_free_fw: 1493 IWL_ERR(drv, "failed to allocate pci memory\n"); 1494 iwl_dealloc_ucode(drv); 1495 release_firmware(ucode_raw); 1496 out_unbind: 1497 complete(&drv->request_firmware_complete); 1498 device_release_driver(drv->trans->dev); 1499 free: 1500 for (i = 0; i < ARRAY_SIZE(pieces->img); i++) 1501 kfree(pieces->img[i].sec); 1502 kfree(pieces->dbg_mem_tlv); 1503 kfree(pieces); 1504 } 1505 1506 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans) 1507 { 1508 struct iwl_drv *drv; 1509 int ret; 1510 1511 drv = kzalloc(sizeof(*drv), GFP_KERNEL); 1512 if (!drv) { 1513 ret = -ENOMEM; 1514 goto err; 1515 } 1516 1517 drv->trans = trans; 1518 drv->dev = trans->dev; 1519 1520 init_completion(&drv->request_firmware_complete); 1521 INIT_LIST_HEAD(&drv->list); 1522 1523 #ifdef CONFIG_IWLWIFI_DEBUGFS 1524 /* Create the device debugfs entries. */ 1525 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev), 1526 iwl_dbgfs_root); 1527 1528 if (!drv->dbgfs_drv) { 1529 IWL_ERR(drv, "failed to create debugfs directory\n"); 1530 ret = -ENOMEM; 1531 goto err_free_drv; 1532 } 1533 1534 /* Create transport layer debugfs dir */ 1535 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv); 1536 1537 if (!drv->trans->dbgfs_dir) { 1538 IWL_ERR(drv, "failed to create transport debugfs directory\n"); 1539 ret = -ENOMEM; 1540 goto err_free_dbgfs; 1541 } 1542 #endif 1543 1544 ret = iwl_request_firmware(drv, true); 1545 if (ret) { 1546 IWL_ERR(trans, "Couldn't request the fw\n"); 1547 goto err_fw; 1548 } 1549 1550 return drv; 1551 1552 err_fw: 1553 #ifdef CONFIG_IWLWIFI_DEBUGFS 1554 err_free_dbgfs: 1555 debugfs_remove_recursive(drv->dbgfs_drv); 1556 err_free_drv: 1557 #endif 1558 kfree(drv); 1559 err: 1560 return ERR_PTR(ret); 1561 } 1562 1563 void iwl_drv_stop(struct iwl_drv *drv) 1564 { 1565 wait_for_completion(&drv->request_firmware_complete); 1566 1567 _iwl_op_mode_stop(drv); 1568 1569 iwl_dealloc_ucode(drv); 1570 1571 mutex_lock(&iwlwifi_opmode_table_mtx); 1572 /* 1573 * List is empty (this item wasn't added) 1574 * when firmware loading failed -- in that 1575 * case we can't remove it from any list. 1576 */ 1577 if (!list_empty(&drv->list)) 1578 list_del(&drv->list); 1579 mutex_unlock(&iwlwifi_opmode_table_mtx); 1580 1581 #ifdef CONFIG_IWLWIFI_DEBUGFS 1582 debugfs_remove_recursive(drv->dbgfs_drv); 1583 #endif 1584 1585 kfree(drv); 1586 } 1587 1588 1589 /* shared module parameters */ 1590 struct iwl_mod_params iwlwifi_mod_params = { 1591 .restart_fw = true, 1592 .bt_coex_active = true, 1593 .power_level = IWL_POWER_INDEX_1, 1594 .d0i3_disable = true, 1595 .d0i3_entry_delay = 1000, 1596 .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT, 1597 /* the rest are 0 by default */ 1598 }; 1599 IWL_EXPORT_SYMBOL(iwlwifi_mod_params); 1600 1601 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops) 1602 { 1603 int i; 1604 struct iwl_drv *drv; 1605 struct iwlwifi_opmode_table *op; 1606 1607 mutex_lock(&iwlwifi_opmode_table_mtx); 1608 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1609 op = &iwlwifi_opmode_table[i]; 1610 if (strcmp(op->name, name)) 1611 continue; 1612 op->ops = ops; 1613 /* TODO: need to handle exceptional case */ 1614 list_for_each_entry(drv, &op->drv, list) 1615 drv->op_mode = _iwl_op_mode_start(drv, op); 1616 1617 mutex_unlock(&iwlwifi_opmode_table_mtx); 1618 return 0; 1619 } 1620 mutex_unlock(&iwlwifi_opmode_table_mtx); 1621 return -EIO; 1622 } 1623 IWL_EXPORT_SYMBOL(iwl_opmode_register); 1624 1625 void iwl_opmode_deregister(const char *name) 1626 { 1627 int i; 1628 struct iwl_drv *drv; 1629 1630 mutex_lock(&iwlwifi_opmode_table_mtx); 1631 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1632 if (strcmp(iwlwifi_opmode_table[i].name, name)) 1633 continue; 1634 iwlwifi_opmode_table[i].ops = NULL; 1635 1636 /* call the stop routine for all devices */ 1637 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list) 1638 _iwl_op_mode_stop(drv); 1639 1640 mutex_unlock(&iwlwifi_opmode_table_mtx); 1641 return; 1642 } 1643 mutex_unlock(&iwlwifi_opmode_table_mtx); 1644 } 1645 IWL_EXPORT_SYMBOL(iwl_opmode_deregister); 1646 1647 static int __init iwl_drv_init(void) 1648 { 1649 int i; 1650 1651 mutex_init(&iwlwifi_opmode_table_mtx); 1652 1653 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) 1654 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv); 1655 1656 pr_info(DRV_DESCRIPTION "\n"); 1657 pr_info(DRV_COPYRIGHT "\n"); 1658 1659 #ifdef CONFIG_IWLWIFI_DEBUGFS 1660 /* Create the root of iwlwifi debugfs subsystem. */ 1661 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL); 1662 1663 if (!iwl_dbgfs_root) 1664 return -EFAULT; 1665 #endif 1666 1667 return iwl_pci_register_driver(); 1668 } 1669 module_init(iwl_drv_init); 1670 1671 static void __exit iwl_drv_exit(void) 1672 { 1673 iwl_pci_unregister_driver(); 1674 1675 #ifdef CONFIG_IWLWIFI_DEBUGFS 1676 debugfs_remove_recursive(iwl_dbgfs_root); 1677 #endif 1678 } 1679 module_exit(iwl_drv_exit); 1680 1681 #ifdef CONFIG_IWLWIFI_DEBUG 1682 module_param_named(debug, iwlwifi_mod_params.debug_level, uint, 1683 S_IRUGO | S_IWUSR); 1684 MODULE_PARM_DESC(debug, "debug output mask"); 1685 #endif 1686 1687 module_param_named(swcrypto, iwlwifi_mod_params.sw_crypto, int, S_IRUGO); 1688 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); 1689 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO); 1690 MODULE_PARM_DESC(11n_disable, 1691 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX"); 1692 module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, 1693 int, S_IRUGO); 1694 MODULE_PARM_DESC(amsdu_size, 1695 "amsdu size 0: 12K for multi Rx queue devices, 4K for other devices 1:4K 2:8K 3:12K (default 0)"); 1696 module_param_named(fw_restart, iwlwifi_mod_params.restart_fw, bool, S_IRUGO); 1697 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)"); 1698 1699 module_param_named(antenna_coupling, iwlwifi_mod_params.ant_coupling, 1700 int, S_IRUGO); 1701 MODULE_PARM_DESC(antenna_coupling, 1702 "specify antenna coupling in dB (default: 0 dB)"); 1703 1704 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, S_IRUGO); 1705 MODULE_PARM_DESC(nvm_file, "NVM file name"); 1706 1707 module_param_named(d0i3_disable, iwlwifi_mod_params.d0i3_disable, 1708 bool, S_IRUGO); 1709 MODULE_PARM_DESC(d0i3_disable, "disable d0i3 functionality (default: Y)"); 1710 1711 module_param_named(lar_disable, iwlwifi_mod_params.lar_disable, 1712 bool, S_IRUGO); 1713 MODULE_PARM_DESC(lar_disable, "disable LAR functionality (default: N)"); 1714 1715 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, 1716 uint, S_IRUGO | S_IWUSR); 1717 MODULE_PARM_DESC(uapsd_disable, 1718 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)"); 1719 1720 /* 1721 * set bt_coex_active to true, uCode will do kill/defer 1722 * every time the priority line is asserted (BT is sending signals on the 1723 * priority line in the PCIx). 1724 * set bt_coex_active to false, uCode will ignore the BT activity and 1725 * perform the normal operation 1726 * 1727 * User might experience transmit issue on some platform due to WiFi/BT 1728 * co-exist problem. The possible behaviors are: 1729 * Able to scan and finding all the available AP 1730 * Not able to associate with any AP 1731 * On those platforms, WiFi communication can be restored by set 1732 * "bt_coex_active" module parameter to "false" 1733 * 1734 * default: bt_coex_active = true (BT_COEX_ENABLE) 1735 */ 1736 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active, 1737 bool, S_IRUGO); 1738 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); 1739 1740 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, S_IRUGO); 1741 MODULE_PARM_DESC(led_mode, "0=system default, " 1742 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); 1743 1744 module_param_named(power_save, iwlwifi_mod_params.power_save, 1745 bool, S_IRUGO); 1746 MODULE_PARM_DESC(power_save, 1747 "enable WiFi power management (default: disable)"); 1748 1749 module_param_named(power_level, iwlwifi_mod_params.power_level, 1750 int, S_IRUGO); 1751 MODULE_PARM_DESC(power_level, 1752 "default power save level (range from 1 - 5, default: 1)"); 1753 1754 module_param_named(fw_monitor, iwlwifi_mod_params.fw_monitor, bool, S_IRUGO); 1755 MODULE_PARM_DESC(fw_monitor, 1756 "firmware monitor - to debug FW (default: false - needs lots of memory)"); 1757 1758 module_param_named(d0i3_timeout, iwlwifi_mod_params.d0i3_entry_delay, 1759 uint, S_IRUGO); 1760 MODULE_PARM_DESC(d0i3_timeout, "Timeout to D0i3 entry when idle (ms)"); 1761 1762 module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, 1763 S_IRUGO); 1764 MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)"); 1765