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 * @cfg: configuration struct 106 * @fw_index: firmware revision to try loading 107 * @firmware_name: composite filename of ucode file to load 108 * @request_firmware_complete: the firmware has been obtained from user space 109 */ 110 struct iwl_drv { 111 struct list_head list; 112 struct iwl_fw fw; 113 114 struct iwl_op_mode *op_mode; 115 struct iwl_trans *trans; 116 struct device *dev; 117 const struct iwl_cfg *cfg; 118 119 int fw_index; /* firmware we're trying to load */ 120 char firmware_name[32]; /* name of firmware file to load */ 121 122 struct completion request_firmware_complete; 123 124 #ifdef CONFIG_IWLWIFI_DEBUGFS 125 struct dentry *dbgfs_drv; 126 struct dentry *dbgfs_trans; 127 struct dentry *dbgfs_op_mode; 128 #endif 129 }; 130 131 enum { 132 DVM_OP_MODE = 0, 133 MVM_OP_MODE = 1, 134 }; 135 136 /* Protects the table contents, i.e. the ops pointer & drv list */ 137 static struct mutex iwlwifi_opmode_table_mtx; 138 static struct iwlwifi_opmode_table { 139 const char *name; /* name: iwldvm, iwlmvm, etc */ 140 const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */ 141 struct list_head drv; /* list of devices using this op_mode */ 142 } iwlwifi_opmode_table[] = { /* ops set when driver is initialized */ 143 [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL }, 144 [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL }, 145 }; 146 147 #define IWL_DEFAULT_SCAN_CHANNELS 40 148 149 /* 150 * struct fw_sec: Just for the image parsing process. 151 * For the fw storage we are using struct fw_desc. 152 */ 153 struct fw_sec { 154 const void *data; /* the sec data */ 155 size_t size; /* section size */ 156 u32 offset; /* offset of writing in the device */ 157 }; 158 159 static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc) 160 { 161 vfree(desc->data); 162 desc->data = NULL; 163 desc->len = 0; 164 } 165 166 static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img) 167 { 168 int i; 169 for (i = 0; i < IWL_UCODE_SECTION_MAX; i++) 170 iwl_free_fw_desc(drv, &img->sec[i]); 171 } 172 173 static void iwl_dealloc_ucode(struct iwl_drv *drv) 174 { 175 int i; 176 177 kfree(drv->fw.dbg_dest_tlv); 178 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++) 179 kfree(drv->fw.dbg_conf_tlv[i]); 180 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++) 181 kfree(drv->fw.dbg_trigger_tlv[i]); 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 #define UCODE_EXPERIMENTAL_INDEX 100 213 #define UCODE_EXPERIMENTAL_TAG "exp" 214 215 static int iwl_request_firmware(struct iwl_drv *drv, bool first) 216 { 217 const char *name_pre = drv->cfg->fw_name_pre; 218 char tag[8]; 219 220 if (first) { 221 #ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE 222 drv->fw_index = UCODE_EXPERIMENTAL_INDEX; 223 strcpy(tag, UCODE_EXPERIMENTAL_TAG); 224 } else if (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) { 225 #endif 226 drv->fw_index = drv->cfg->ucode_api_max; 227 sprintf(tag, "%d", drv->fw_index); 228 } else { 229 drv->fw_index--; 230 sprintf(tag, "%d", drv->fw_index); 231 } 232 233 if (drv->fw_index < drv->cfg->ucode_api_min) { 234 IWL_ERR(drv, "no suitable firmware found!\n"); 235 return -ENOENT; 236 } 237 238 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode", 239 name_pre, tag); 240 241 /* 242 * Starting 8000B - FW name format has changed. This overwrites the 243 * previous name and uses the new format. 244 */ 245 if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) { 246 char rev_step = 'A' + CSR_HW_REV_STEP(drv->trans->hw_rev); 247 248 if (rev_step != 'A') 249 snprintf(drv->firmware_name, 250 sizeof(drv->firmware_name), "%s%c-%s.ucode", 251 name_pre, rev_step, tag); 252 } 253 254 IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n", 255 (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) 256 ? "EXPERIMENTAL " : "", 257 drv->firmware_name); 258 259 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name, 260 drv->trans->dev, 261 GFP_KERNEL, drv, iwl_req_fw_callback); 262 } 263 264 struct fw_img_parsing { 265 struct fw_sec sec[IWL_UCODE_SECTION_MAX]; 266 int sec_counter; 267 }; 268 269 /* 270 * struct fw_sec_parsing: to extract fw section and it's offset from tlv 271 */ 272 struct fw_sec_parsing { 273 __le32 offset; 274 const u8 data[]; 275 } __packed; 276 277 /** 278 * struct iwl_tlv_calib_data - parse the default calib data from TLV 279 * 280 * @ucode_type: the uCode to which the following default calib relates. 281 * @calib: default calibrations. 282 */ 283 struct iwl_tlv_calib_data { 284 __le32 ucode_type; 285 struct iwl_tlv_calib_ctrl calib; 286 } __packed; 287 288 struct iwl_firmware_pieces { 289 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX]; 290 291 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; 292 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; 293 294 /* FW debug data parsed for driver usage */ 295 struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv; 296 struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX]; 297 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX]; 298 struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX]; 299 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX]; 300 }; 301 302 /* 303 * These functions are just to extract uCode section data from the pieces 304 * structure. 305 */ 306 static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces, 307 enum iwl_ucode_type type, 308 int sec) 309 { 310 return &pieces->img[type].sec[sec]; 311 } 312 313 static void set_sec_data(struct iwl_firmware_pieces *pieces, 314 enum iwl_ucode_type type, 315 int sec, 316 const void *data) 317 { 318 pieces->img[type].sec[sec].data = data; 319 } 320 321 static void set_sec_size(struct iwl_firmware_pieces *pieces, 322 enum iwl_ucode_type type, 323 int sec, 324 size_t size) 325 { 326 pieces->img[type].sec[sec].size = size; 327 } 328 329 static size_t get_sec_size(struct iwl_firmware_pieces *pieces, 330 enum iwl_ucode_type type, 331 int sec) 332 { 333 return pieces->img[type].sec[sec].size; 334 } 335 336 static void set_sec_offset(struct iwl_firmware_pieces *pieces, 337 enum iwl_ucode_type type, 338 int sec, 339 u32 offset) 340 { 341 pieces->img[type].sec[sec].offset = offset; 342 } 343 344 static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len) 345 { 346 int i, j; 347 struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data; 348 struct iwl_fw_cipher_scheme *fwcs; 349 struct ieee80211_cipher_scheme *cs; 350 u32 cipher; 351 352 if (len < sizeof(*l) || 353 len < sizeof(l->size) + l->size * sizeof(l->cs[0])) 354 return -EINVAL; 355 356 for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) { 357 fwcs = &l->cs[j]; 358 cipher = le32_to_cpu(fwcs->cipher); 359 360 /* we skip schemes with zero cipher suite selector */ 361 if (!cipher) 362 continue; 363 364 cs = &fw->cs[j++]; 365 cs->cipher = cipher; 366 cs->iftype = BIT(NL80211_IFTYPE_STATION); 367 cs->hdr_len = fwcs->hdr_len; 368 cs->pn_len = fwcs->pn_len; 369 cs->pn_off = fwcs->pn_off; 370 cs->key_idx_off = fwcs->key_idx_off; 371 cs->key_idx_mask = fwcs->key_idx_mask; 372 cs->key_idx_shift = fwcs->key_idx_shift; 373 cs->mic_len = fwcs->mic_len; 374 } 375 376 return 0; 377 } 378 379 static void iwl_store_gscan_capa(struct iwl_fw *fw, const u8 *data, 380 const u32 len) 381 { 382 struct iwl_fw_gscan_capabilities *fw_capa = (void *)data; 383 struct iwl_gscan_capabilities *capa = &fw->gscan_capa; 384 385 capa->max_scan_cache_size = le32_to_cpu(fw_capa->max_scan_cache_size); 386 capa->max_scan_buckets = le32_to_cpu(fw_capa->max_scan_buckets); 387 capa->max_ap_cache_per_scan = 388 le32_to_cpu(fw_capa->max_ap_cache_per_scan); 389 capa->max_rssi_sample_size = le32_to_cpu(fw_capa->max_rssi_sample_size); 390 capa->max_scan_reporting_threshold = 391 le32_to_cpu(fw_capa->max_scan_reporting_threshold); 392 capa->max_hotlist_aps = le32_to_cpu(fw_capa->max_hotlist_aps); 393 capa->max_significant_change_aps = 394 le32_to_cpu(fw_capa->max_significant_change_aps); 395 capa->max_bssid_history_entries = 396 le32_to_cpu(fw_capa->max_bssid_history_entries); 397 capa->max_hotlist_ssids = le32_to_cpu(fw_capa->max_hotlist_ssids); 398 capa->max_number_epno_networks = 399 le32_to_cpu(fw_capa->max_number_epno_networks); 400 capa->max_number_epno_networks_by_ssid = 401 le32_to_cpu(fw_capa->max_number_epno_networks_by_ssid); 402 capa->max_number_of_white_listed_ssid = 403 le32_to_cpu(fw_capa->max_number_of_white_listed_ssid); 404 capa->max_number_of_black_listed_ssid = 405 le32_to_cpu(fw_capa->max_number_of_black_listed_ssid); 406 } 407 408 /* 409 * Gets uCode section from tlv. 410 */ 411 static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces, 412 const void *data, enum iwl_ucode_type type, 413 int size) 414 { 415 struct fw_img_parsing *img; 416 struct fw_sec *sec; 417 struct fw_sec_parsing *sec_parse; 418 419 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX)) 420 return -1; 421 422 sec_parse = (struct fw_sec_parsing *)data; 423 424 img = &pieces->img[type]; 425 sec = &img->sec[img->sec_counter]; 426 427 sec->offset = le32_to_cpu(sec_parse->offset); 428 sec->data = sec_parse->data; 429 sec->size = size - sizeof(sec_parse->offset); 430 431 ++img->sec_counter; 432 433 return 0; 434 } 435 436 static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data) 437 { 438 struct iwl_tlv_calib_data *def_calib = 439 (struct iwl_tlv_calib_data *)data; 440 u32 ucode_type = le32_to_cpu(def_calib->ucode_type); 441 if (ucode_type >= IWL_UCODE_TYPE_MAX) { 442 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n", 443 ucode_type); 444 return -EINVAL; 445 } 446 drv->fw.default_calib[ucode_type].flow_trigger = 447 def_calib->calib.flow_trigger; 448 drv->fw.default_calib[ucode_type].event_trigger = 449 def_calib->calib.event_trigger; 450 451 return 0; 452 } 453 454 static int iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data, 455 struct iwl_ucode_capabilities *capa) 456 { 457 const struct iwl_ucode_api *ucode_api = (void *)data; 458 u32 api_index = le32_to_cpu(ucode_api->api_index); 459 u32 api_flags = le32_to_cpu(ucode_api->api_flags); 460 int i; 461 462 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) { 463 IWL_ERR(drv, 464 "api flags index %d larger than supported by driver\n", 465 api_index); 466 /* don't return an error so we can load FW that has more bits */ 467 return 0; 468 } 469 470 for (i = 0; i < 32; i++) { 471 if (api_flags & BIT(i)) 472 __set_bit(i + 32 * api_index, capa->_api); 473 } 474 475 return 0; 476 } 477 478 static int iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data, 479 struct iwl_ucode_capabilities *capa) 480 { 481 const struct iwl_ucode_capa *ucode_capa = (void *)data; 482 u32 api_index = le32_to_cpu(ucode_capa->api_index); 483 u32 api_flags = le32_to_cpu(ucode_capa->api_capa); 484 int i; 485 486 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) { 487 IWL_ERR(drv, 488 "capa flags index %d larger than supported by driver\n", 489 api_index); 490 /* don't return an error so we can load FW that has more bits */ 491 return 0; 492 } 493 494 for (i = 0; i < 32; i++) { 495 if (api_flags & BIT(i)) 496 __set_bit(i + 32 * api_index, capa->_capa); 497 } 498 499 return 0; 500 } 501 502 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv, 503 const struct firmware *ucode_raw, 504 struct iwl_firmware_pieces *pieces) 505 { 506 struct iwl_ucode_header *ucode = (void *)ucode_raw->data; 507 u32 api_ver, hdr_size, build; 508 char buildstr[25]; 509 const u8 *src; 510 511 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 512 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 513 514 switch (api_ver) { 515 default: 516 hdr_size = 28; 517 if (ucode_raw->size < hdr_size) { 518 IWL_ERR(drv, "File size too small!\n"); 519 return -EINVAL; 520 } 521 build = le32_to_cpu(ucode->u.v2.build); 522 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 523 le32_to_cpu(ucode->u.v2.inst_size)); 524 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 525 le32_to_cpu(ucode->u.v2.data_size)); 526 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 527 le32_to_cpu(ucode->u.v2.init_size)); 528 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 529 le32_to_cpu(ucode->u.v2.init_data_size)); 530 src = ucode->u.v2.data; 531 break; 532 case 0: 533 case 1: 534 case 2: 535 hdr_size = 24; 536 if (ucode_raw->size < hdr_size) { 537 IWL_ERR(drv, "File size too small!\n"); 538 return -EINVAL; 539 } 540 build = 0; 541 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 542 le32_to_cpu(ucode->u.v1.inst_size)); 543 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 544 le32_to_cpu(ucode->u.v1.data_size)); 545 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 546 le32_to_cpu(ucode->u.v1.init_size)); 547 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 548 le32_to_cpu(ucode->u.v1.init_data_size)); 549 src = ucode->u.v1.data; 550 break; 551 } 552 553 if (build) 554 sprintf(buildstr, " build %u%s", build, 555 (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) 556 ? " (EXP)" : ""); 557 else 558 buildstr[0] = '\0'; 559 560 snprintf(drv->fw.fw_version, 561 sizeof(drv->fw.fw_version), 562 "%u.%u.%u.%u%s", 563 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 564 IWL_UCODE_MINOR(drv->fw.ucode_ver), 565 IWL_UCODE_API(drv->fw.ucode_ver), 566 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 567 buildstr); 568 569 /* Verify size of file vs. image size info in file's header */ 570 571 if (ucode_raw->size != hdr_size + 572 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) + 573 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) + 574 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) + 575 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { 576 577 IWL_ERR(drv, 578 "uCode file size %d does not match expected size\n", 579 (int)ucode_raw->size); 580 return -EINVAL; 581 } 582 583 584 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src); 585 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST); 586 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 587 IWLAGN_RTC_INST_LOWER_BOUND); 588 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src); 589 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA); 590 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 591 IWLAGN_RTC_DATA_LOWER_BOUND); 592 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src); 593 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST); 594 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 595 IWLAGN_RTC_INST_LOWER_BOUND); 596 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src); 597 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA); 598 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 599 IWLAGN_RTC_DATA_LOWER_BOUND); 600 return 0; 601 } 602 603 static int iwl_parse_tlv_firmware(struct iwl_drv *drv, 604 const struct firmware *ucode_raw, 605 struct iwl_firmware_pieces *pieces, 606 struct iwl_ucode_capabilities *capa, 607 bool *usniffer_images) 608 { 609 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; 610 struct iwl_ucode_tlv *tlv; 611 size_t len = ucode_raw->size; 612 const u8 *data; 613 u32 tlv_len; 614 u32 usniffer_img; 615 enum iwl_ucode_tlv_type tlv_type; 616 const u8 *tlv_data; 617 char buildstr[25]; 618 u32 build, paging_mem_size; 619 int num_of_cpus; 620 bool usniffer_req = false; 621 bool gscan_capa = false; 622 623 if (len < sizeof(*ucode)) { 624 IWL_ERR(drv, "uCode has invalid length: %zd\n", len); 625 return -EINVAL; 626 } 627 628 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { 629 IWL_ERR(drv, "invalid uCode magic: 0X%x\n", 630 le32_to_cpu(ucode->magic)); 631 return -EINVAL; 632 } 633 634 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 635 memcpy(drv->fw.human_readable, ucode->human_readable, 636 sizeof(drv->fw.human_readable)); 637 build = le32_to_cpu(ucode->build); 638 639 if (build) 640 sprintf(buildstr, " build %u%s", build, 641 (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) 642 ? " (EXP)" : ""); 643 else 644 buildstr[0] = '\0'; 645 646 snprintf(drv->fw.fw_version, 647 sizeof(drv->fw.fw_version), 648 "%u.%u.%u.%u%s", 649 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 650 IWL_UCODE_MINOR(drv->fw.ucode_ver), 651 IWL_UCODE_API(drv->fw.ucode_ver), 652 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 653 buildstr); 654 655 data = ucode->data; 656 657 len -= sizeof(*ucode); 658 659 while (len >= sizeof(*tlv)) { 660 len -= sizeof(*tlv); 661 tlv = (void *)data; 662 663 tlv_len = le32_to_cpu(tlv->length); 664 tlv_type = le32_to_cpu(tlv->type); 665 tlv_data = tlv->data; 666 667 if (len < tlv_len) { 668 IWL_ERR(drv, "invalid TLV len: %zd/%u\n", 669 len, tlv_len); 670 return -EINVAL; 671 } 672 len -= ALIGN(tlv_len, 4); 673 data += sizeof(*tlv) + ALIGN(tlv_len, 4); 674 675 switch (tlv_type) { 676 case IWL_UCODE_TLV_INST: 677 set_sec_data(pieces, IWL_UCODE_REGULAR, 678 IWL_UCODE_SECTION_INST, tlv_data); 679 set_sec_size(pieces, IWL_UCODE_REGULAR, 680 IWL_UCODE_SECTION_INST, tlv_len); 681 set_sec_offset(pieces, IWL_UCODE_REGULAR, 682 IWL_UCODE_SECTION_INST, 683 IWLAGN_RTC_INST_LOWER_BOUND); 684 break; 685 case IWL_UCODE_TLV_DATA: 686 set_sec_data(pieces, IWL_UCODE_REGULAR, 687 IWL_UCODE_SECTION_DATA, tlv_data); 688 set_sec_size(pieces, IWL_UCODE_REGULAR, 689 IWL_UCODE_SECTION_DATA, tlv_len); 690 set_sec_offset(pieces, IWL_UCODE_REGULAR, 691 IWL_UCODE_SECTION_DATA, 692 IWLAGN_RTC_DATA_LOWER_BOUND); 693 break; 694 case IWL_UCODE_TLV_INIT: 695 set_sec_data(pieces, IWL_UCODE_INIT, 696 IWL_UCODE_SECTION_INST, tlv_data); 697 set_sec_size(pieces, IWL_UCODE_INIT, 698 IWL_UCODE_SECTION_INST, tlv_len); 699 set_sec_offset(pieces, IWL_UCODE_INIT, 700 IWL_UCODE_SECTION_INST, 701 IWLAGN_RTC_INST_LOWER_BOUND); 702 break; 703 case IWL_UCODE_TLV_INIT_DATA: 704 set_sec_data(pieces, IWL_UCODE_INIT, 705 IWL_UCODE_SECTION_DATA, tlv_data); 706 set_sec_size(pieces, IWL_UCODE_INIT, 707 IWL_UCODE_SECTION_DATA, tlv_len); 708 set_sec_offset(pieces, IWL_UCODE_INIT, 709 IWL_UCODE_SECTION_DATA, 710 IWLAGN_RTC_DATA_LOWER_BOUND); 711 break; 712 case IWL_UCODE_TLV_BOOT: 713 IWL_ERR(drv, "Found unexpected BOOT ucode\n"); 714 break; 715 case IWL_UCODE_TLV_PROBE_MAX_LEN: 716 if (tlv_len != sizeof(u32)) 717 goto invalid_tlv_len; 718 capa->max_probe_length = 719 le32_to_cpup((__le32 *)tlv_data); 720 break; 721 case IWL_UCODE_TLV_PAN: 722 if (tlv_len) 723 goto invalid_tlv_len; 724 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; 725 break; 726 case IWL_UCODE_TLV_FLAGS: 727 /* must be at least one u32 */ 728 if (tlv_len < sizeof(u32)) 729 goto invalid_tlv_len; 730 /* and a proper number of u32s */ 731 if (tlv_len % sizeof(u32)) 732 goto invalid_tlv_len; 733 /* 734 * This driver only reads the first u32 as 735 * right now no more features are defined, 736 * if that changes then either the driver 737 * will not work with the new firmware, or 738 * it'll not take advantage of new features. 739 */ 740 capa->flags = le32_to_cpup((__le32 *)tlv_data); 741 break; 742 case IWL_UCODE_TLV_API_CHANGES_SET: 743 if (tlv_len != sizeof(struct iwl_ucode_api)) 744 goto invalid_tlv_len; 745 if (iwl_set_ucode_api_flags(drv, tlv_data, capa)) 746 goto tlv_error; 747 break; 748 case IWL_UCODE_TLV_ENABLED_CAPABILITIES: 749 if (tlv_len != sizeof(struct iwl_ucode_capa)) 750 goto invalid_tlv_len; 751 if (iwl_set_ucode_capabilities(drv, tlv_data, capa)) 752 goto tlv_error; 753 break; 754 case IWL_UCODE_TLV_INIT_EVTLOG_PTR: 755 if (tlv_len != sizeof(u32)) 756 goto invalid_tlv_len; 757 pieces->init_evtlog_ptr = 758 le32_to_cpup((__le32 *)tlv_data); 759 break; 760 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: 761 if (tlv_len != sizeof(u32)) 762 goto invalid_tlv_len; 763 pieces->init_evtlog_size = 764 le32_to_cpup((__le32 *)tlv_data); 765 break; 766 case IWL_UCODE_TLV_INIT_ERRLOG_PTR: 767 if (tlv_len != sizeof(u32)) 768 goto invalid_tlv_len; 769 pieces->init_errlog_ptr = 770 le32_to_cpup((__le32 *)tlv_data); 771 break; 772 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: 773 if (tlv_len != sizeof(u32)) 774 goto invalid_tlv_len; 775 pieces->inst_evtlog_ptr = 776 le32_to_cpup((__le32 *)tlv_data); 777 break; 778 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: 779 if (tlv_len != sizeof(u32)) 780 goto invalid_tlv_len; 781 pieces->inst_evtlog_size = 782 le32_to_cpup((__le32 *)tlv_data); 783 break; 784 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: 785 if (tlv_len != sizeof(u32)) 786 goto invalid_tlv_len; 787 pieces->inst_errlog_ptr = 788 le32_to_cpup((__le32 *)tlv_data); 789 break; 790 case IWL_UCODE_TLV_ENHANCE_SENS_TBL: 791 if (tlv_len) 792 goto invalid_tlv_len; 793 drv->fw.enhance_sensitivity_table = true; 794 break; 795 case IWL_UCODE_TLV_WOWLAN_INST: 796 set_sec_data(pieces, IWL_UCODE_WOWLAN, 797 IWL_UCODE_SECTION_INST, tlv_data); 798 set_sec_size(pieces, IWL_UCODE_WOWLAN, 799 IWL_UCODE_SECTION_INST, tlv_len); 800 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 801 IWL_UCODE_SECTION_INST, 802 IWLAGN_RTC_INST_LOWER_BOUND); 803 break; 804 case IWL_UCODE_TLV_WOWLAN_DATA: 805 set_sec_data(pieces, IWL_UCODE_WOWLAN, 806 IWL_UCODE_SECTION_DATA, tlv_data); 807 set_sec_size(pieces, IWL_UCODE_WOWLAN, 808 IWL_UCODE_SECTION_DATA, tlv_len); 809 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 810 IWL_UCODE_SECTION_DATA, 811 IWLAGN_RTC_DATA_LOWER_BOUND); 812 break; 813 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: 814 if (tlv_len != sizeof(u32)) 815 goto invalid_tlv_len; 816 capa->standard_phy_calibration_size = 817 le32_to_cpup((__le32 *)tlv_data); 818 break; 819 case IWL_UCODE_TLV_SEC_RT: 820 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 821 tlv_len); 822 drv->fw.mvm_fw = true; 823 break; 824 case IWL_UCODE_TLV_SEC_INIT: 825 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 826 tlv_len); 827 drv->fw.mvm_fw = true; 828 break; 829 case IWL_UCODE_TLV_SEC_WOWLAN: 830 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 831 tlv_len); 832 drv->fw.mvm_fw = true; 833 break; 834 case IWL_UCODE_TLV_DEF_CALIB: 835 if (tlv_len != sizeof(struct iwl_tlv_calib_data)) 836 goto invalid_tlv_len; 837 if (iwl_set_default_calib(drv, tlv_data)) 838 goto tlv_error; 839 break; 840 case IWL_UCODE_TLV_PHY_SKU: 841 if (tlv_len != sizeof(u32)) 842 goto invalid_tlv_len; 843 drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data); 844 drv->fw.valid_tx_ant = (drv->fw.phy_config & 845 FW_PHY_CFG_TX_CHAIN) >> 846 FW_PHY_CFG_TX_CHAIN_POS; 847 drv->fw.valid_rx_ant = (drv->fw.phy_config & 848 FW_PHY_CFG_RX_CHAIN) >> 849 FW_PHY_CFG_RX_CHAIN_POS; 850 break; 851 case IWL_UCODE_TLV_SECURE_SEC_RT: 852 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 853 tlv_len); 854 drv->fw.mvm_fw = true; 855 break; 856 case IWL_UCODE_TLV_SECURE_SEC_INIT: 857 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 858 tlv_len); 859 drv->fw.mvm_fw = true; 860 break; 861 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN: 862 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 863 tlv_len); 864 drv->fw.mvm_fw = true; 865 break; 866 case IWL_UCODE_TLV_NUM_OF_CPU: 867 if (tlv_len != sizeof(u32)) 868 goto invalid_tlv_len; 869 num_of_cpus = 870 le32_to_cpup((__le32 *)tlv_data); 871 872 if (num_of_cpus == 2) { 873 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus = 874 true; 875 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus = 876 true; 877 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus = 878 true; 879 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) { 880 IWL_ERR(drv, "Driver support upto 2 CPUs\n"); 881 return -EINVAL; 882 } 883 break; 884 case IWL_UCODE_TLV_CSCHEME: 885 if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len)) 886 goto invalid_tlv_len; 887 break; 888 case IWL_UCODE_TLV_N_SCAN_CHANNELS: 889 if (tlv_len != sizeof(u32)) 890 goto invalid_tlv_len; 891 capa->n_scan_channels = 892 le32_to_cpup((__le32 *)tlv_data); 893 break; 894 case IWL_UCODE_TLV_FW_VERSION: { 895 __le32 *ptr = (void *)tlv_data; 896 u32 major, minor; 897 u8 local_comp; 898 899 if (tlv_len != sizeof(u32) * 3) 900 goto invalid_tlv_len; 901 902 major = le32_to_cpup(ptr++); 903 minor = le32_to_cpup(ptr++); 904 local_comp = le32_to_cpup(ptr); 905 906 snprintf(drv->fw.fw_version, 907 sizeof(drv->fw.fw_version), "%u.%u.%u", 908 major, minor, local_comp); 909 break; 910 } 911 case IWL_UCODE_TLV_FW_DBG_DEST: { 912 struct iwl_fw_dbg_dest_tlv *dest = (void *)tlv_data; 913 914 if (pieces->dbg_dest_tlv) { 915 IWL_ERR(drv, 916 "dbg destination ignored, already exists\n"); 917 break; 918 } 919 920 pieces->dbg_dest_tlv = dest; 921 IWL_INFO(drv, "Found debug destination: %s\n", 922 get_fw_dbg_mode_string(dest->monitor_mode)); 923 924 drv->fw.dbg_dest_reg_num = 925 tlv_len - offsetof(struct iwl_fw_dbg_dest_tlv, 926 reg_ops); 927 drv->fw.dbg_dest_reg_num /= 928 sizeof(drv->fw.dbg_dest_tlv->reg_ops[0]); 929 930 break; 931 } 932 case IWL_UCODE_TLV_FW_DBG_CONF: { 933 struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data; 934 935 if (!pieces->dbg_dest_tlv) { 936 IWL_ERR(drv, 937 "Ignore dbg config %d - no destination configured\n", 938 conf->id); 939 break; 940 } 941 942 if (conf->id >= ARRAY_SIZE(drv->fw.dbg_conf_tlv)) { 943 IWL_ERR(drv, 944 "Skip unknown configuration: %d\n", 945 conf->id); 946 break; 947 } 948 949 if (pieces->dbg_conf_tlv[conf->id]) { 950 IWL_ERR(drv, 951 "Ignore duplicate dbg config %d\n", 952 conf->id); 953 break; 954 } 955 956 if (conf->usniffer) 957 usniffer_req = true; 958 959 IWL_INFO(drv, "Found debug configuration: %d\n", 960 conf->id); 961 962 pieces->dbg_conf_tlv[conf->id] = conf; 963 pieces->dbg_conf_tlv_len[conf->id] = tlv_len; 964 break; 965 } 966 case IWL_UCODE_TLV_FW_DBG_TRIGGER: { 967 struct iwl_fw_dbg_trigger_tlv *trigger = 968 (void *)tlv_data; 969 u32 trigger_id = le32_to_cpu(trigger->id); 970 971 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg_trigger_tlv)) { 972 IWL_ERR(drv, 973 "Skip unknown trigger: %u\n", 974 trigger->id); 975 break; 976 } 977 978 if (pieces->dbg_trigger_tlv[trigger_id]) { 979 IWL_ERR(drv, 980 "Ignore duplicate dbg trigger %u\n", 981 trigger->id); 982 break; 983 } 984 985 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id); 986 987 pieces->dbg_trigger_tlv[trigger_id] = trigger; 988 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len; 989 break; 990 } 991 case IWL_UCODE_TLV_SEC_RT_USNIFFER: 992 *usniffer_images = true; 993 iwl_store_ucode_sec(pieces, tlv_data, 994 IWL_UCODE_REGULAR_USNIFFER, 995 tlv_len); 996 break; 997 case IWL_UCODE_TLV_PAGING: 998 if (tlv_len != sizeof(u32)) 999 goto invalid_tlv_len; 1000 paging_mem_size = le32_to_cpup((__le32 *)tlv_data); 1001 1002 IWL_DEBUG_FW(drv, 1003 "Paging: paging enabled (size = %u bytes)\n", 1004 paging_mem_size); 1005 1006 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) { 1007 IWL_ERR(drv, 1008 "Paging: driver supports up to %lu bytes for paging image\n", 1009 MAX_PAGING_IMAGE_SIZE); 1010 return -EINVAL; 1011 } 1012 1013 if (paging_mem_size & (FW_PAGING_SIZE - 1)) { 1014 IWL_ERR(drv, 1015 "Paging: image isn't multiple %lu\n", 1016 FW_PAGING_SIZE); 1017 return -EINVAL; 1018 } 1019 1020 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size = 1021 paging_mem_size; 1022 usniffer_img = IWL_UCODE_REGULAR_USNIFFER; 1023 drv->fw.img[usniffer_img].paging_mem_size = 1024 paging_mem_size; 1025 break; 1026 case IWL_UCODE_TLV_SDIO_ADMA_ADDR: 1027 if (tlv_len != sizeof(u32)) 1028 goto invalid_tlv_len; 1029 drv->fw.sdio_adma_addr = 1030 le32_to_cpup((__le32 *)tlv_data); 1031 break; 1032 case IWL_UCODE_TLV_FW_GSCAN_CAPA: 1033 /* 1034 * Don't return an error in case of a shorter tlv_len 1035 * to enable loading of FW that has an old format 1036 * of GSCAN capabilities TLV. 1037 */ 1038 if (tlv_len < sizeof(struct iwl_fw_gscan_capabilities)) 1039 break; 1040 1041 iwl_store_gscan_capa(&drv->fw, tlv_data, tlv_len); 1042 gscan_capa = true; 1043 break; 1044 default: 1045 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); 1046 break; 1047 } 1048 } 1049 1050 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) && 1051 usniffer_req && !*usniffer_images) { 1052 IWL_ERR(drv, 1053 "user selected to work with usniffer but usniffer image isn't available in ucode package\n"); 1054 return -EINVAL; 1055 } 1056 1057 if (len) { 1058 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); 1059 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len); 1060 return -EINVAL; 1061 } 1062 1063 if (WARN(fw_has_capa(capa, IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT) && 1064 !gscan_capa, 1065 "GSCAN is supported but capabilities TLV is unavailable\n")) 1066 __clear_bit((__force long)IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT, 1067 capa->_capa); 1068 1069 return 0; 1070 1071 invalid_tlv_len: 1072 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); 1073 tlv_error: 1074 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); 1075 1076 return -EINVAL; 1077 } 1078 1079 static int iwl_alloc_ucode(struct iwl_drv *drv, 1080 struct iwl_firmware_pieces *pieces, 1081 enum iwl_ucode_type type) 1082 { 1083 int i; 1084 for (i = 0; 1085 i < IWL_UCODE_SECTION_MAX && get_sec_size(pieces, type, i); 1086 i++) 1087 if (iwl_alloc_fw_desc(drv, &(drv->fw.img[type].sec[i]), 1088 get_sec(pieces, type, i))) 1089 return -ENOMEM; 1090 return 0; 1091 } 1092 1093 static int validate_sec_sizes(struct iwl_drv *drv, 1094 struct iwl_firmware_pieces *pieces, 1095 const struct iwl_cfg *cfg) 1096 { 1097 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n", 1098 get_sec_size(pieces, IWL_UCODE_REGULAR, 1099 IWL_UCODE_SECTION_INST)); 1100 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n", 1101 get_sec_size(pieces, IWL_UCODE_REGULAR, 1102 IWL_UCODE_SECTION_DATA)); 1103 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n", 1104 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); 1105 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n", 1106 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); 1107 1108 /* Verify that uCode images will fit in card's SRAM. */ 1109 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > 1110 cfg->max_inst_size) { 1111 IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n", 1112 get_sec_size(pieces, IWL_UCODE_REGULAR, 1113 IWL_UCODE_SECTION_INST)); 1114 return -1; 1115 } 1116 1117 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > 1118 cfg->max_data_size) { 1119 IWL_ERR(drv, "uCode data len %Zd too large to fit in\n", 1120 get_sec_size(pieces, IWL_UCODE_REGULAR, 1121 IWL_UCODE_SECTION_DATA)); 1122 return -1; 1123 } 1124 1125 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > 1126 cfg->max_inst_size) { 1127 IWL_ERR(drv, "uCode init instr len %Zd too large to fit in\n", 1128 get_sec_size(pieces, IWL_UCODE_INIT, 1129 IWL_UCODE_SECTION_INST)); 1130 return -1; 1131 } 1132 1133 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > 1134 cfg->max_data_size) { 1135 IWL_ERR(drv, "uCode init data len %Zd too large to fit in\n", 1136 get_sec_size(pieces, IWL_UCODE_REGULAR, 1137 IWL_UCODE_SECTION_DATA)); 1138 return -1; 1139 } 1140 return 0; 1141 } 1142 1143 static struct iwl_op_mode * 1144 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op) 1145 { 1146 const struct iwl_op_mode_ops *ops = op->ops; 1147 struct dentry *dbgfs_dir = NULL; 1148 struct iwl_op_mode *op_mode = NULL; 1149 1150 #ifdef CONFIG_IWLWIFI_DEBUGFS 1151 drv->dbgfs_op_mode = debugfs_create_dir(op->name, 1152 drv->dbgfs_drv); 1153 if (!drv->dbgfs_op_mode) { 1154 IWL_ERR(drv, 1155 "failed to create opmode debugfs directory\n"); 1156 return op_mode; 1157 } 1158 dbgfs_dir = drv->dbgfs_op_mode; 1159 #endif 1160 1161 op_mode = ops->start(drv->trans, drv->cfg, &drv->fw, dbgfs_dir); 1162 1163 #ifdef CONFIG_IWLWIFI_DEBUGFS 1164 if (!op_mode) { 1165 debugfs_remove_recursive(drv->dbgfs_op_mode); 1166 drv->dbgfs_op_mode = NULL; 1167 } 1168 #endif 1169 1170 return op_mode; 1171 } 1172 1173 static void _iwl_op_mode_stop(struct iwl_drv *drv) 1174 { 1175 /* op_mode can be NULL if its start failed */ 1176 if (drv->op_mode) { 1177 iwl_op_mode_stop(drv->op_mode); 1178 drv->op_mode = NULL; 1179 1180 #ifdef CONFIG_IWLWIFI_DEBUGFS 1181 debugfs_remove_recursive(drv->dbgfs_op_mode); 1182 drv->dbgfs_op_mode = NULL; 1183 #endif 1184 } 1185 } 1186 1187 /** 1188 * iwl_req_fw_callback - callback when firmware was loaded 1189 * 1190 * If loaded successfully, copies the firmware into buffers 1191 * for the card to fetch (via DMA). 1192 */ 1193 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) 1194 { 1195 struct iwl_drv *drv = context; 1196 struct iwl_fw *fw = &drv->fw; 1197 struct iwl_ucode_header *ucode; 1198 struct iwlwifi_opmode_table *op; 1199 int err; 1200 struct iwl_firmware_pieces *pieces; 1201 const unsigned int api_max = drv->cfg->ucode_api_max; 1202 unsigned int api_ok = drv->cfg->ucode_api_ok; 1203 const unsigned int api_min = drv->cfg->ucode_api_min; 1204 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX]; 1205 u32 api_ver; 1206 int i; 1207 bool load_module = false; 1208 bool usniffer_images = false; 1209 1210 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH; 1211 fw->ucode_capa.standard_phy_calibration_size = 1212 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1213 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS; 1214 1215 if (!api_ok) 1216 api_ok = api_max; 1217 1218 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL); 1219 if (!pieces) 1220 return; 1221 1222 if (!ucode_raw) { 1223 if (drv->fw_index <= api_ok) 1224 IWL_ERR(drv, 1225 "request for firmware file '%s' failed.\n", 1226 drv->firmware_name); 1227 goto try_again; 1228 } 1229 1230 IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n", 1231 drv->firmware_name, ucode_raw->size); 1232 1233 /* Make sure that we got at least the API version number */ 1234 if (ucode_raw->size < 4) { 1235 IWL_ERR(drv, "File size way too small!\n"); 1236 goto try_again; 1237 } 1238 1239 /* Data from ucode file: header followed by uCode images */ 1240 ucode = (struct iwl_ucode_header *)ucode_raw->data; 1241 1242 if (ucode->ver) 1243 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces); 1244 else 1245 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces, 1246 &fw->ucode_capa, &usniffer_images); 1247 1248 if (err) 1249 goto try_again; 1250 1251 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION)) 1252 api_ver = drv->fw.ucode_ver; 1253 else 1254 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 1255 1256 /* 1257 * api_ver should match the api version forming part of the 1258 * firmware filename ... but we don't check for that and only rely 1259 * on the API version read from firmware header from here on forward 1260 */ 1261 /* no api version check required for experimental uCode */ 1262 if (drv->fw_index != UCODE_EXPERIMENTAL_INDEX) { 1263 if (api_ver < api_min || api_ver > api_max) { 1264 IWL_ERR(drv, 1265 "Driver unable to support your firmware API. " 1266 "Driver supports v%u, firmware is v%u.\n", 1267 api_max, api_ver); 1268 goto try_again; 1269 } 1270 1271 if (api_ver < api_ok) { 1272 if (api_ok != api_max) 1273 IWL_ERR(drv, "Firmware has old API version, " 1274 "expected v%u through v%u, got v%u.\n", 1275 api_ok, api_max, api_ver); 1276 else 1277 IWL_ERR(drv, "Firmware has old API version, " 1278 "expected v%u, got v%u.\n", 1279 api_max, api_ver); 1280 IWL_ERR(drv, "New firmware can be obtained from " 1281 "http://www.intellinuxwireless.org/.\n"); 1282 } 1283 } 1284 1285 /* 1286 * In mvm uCode there is no difference between data and instructions 1287 * sections. 1288 */ 1289 if (!fw->mvm_fw && validate_sec_sizes(drv, pieces, drv->cfg)) 1290 goto try_again; 1291 1292 /* Allocate ucode buffers for card's bus-master loading ... */ 1293 1294 /* Runtime instructions and 2 copies of data: 1295 * 1) unmodified from disk 1296 * 2) backup cache for save/restore during power-downs */ 1297 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 1298 if (iwl_alloc_ucode(drv, pieces, i)) 1299 goto out_free_fw; 1300 1301 if (pieces->dbg_dest_tlv) { 1302 drv->fw.dbg_dest_tlv = 1303 kmemdup(pieces->dbg_dest_tlv, 1304 sizeof(*pieces->dbg_dest_tlv) + 1305 sizeof(pieces->dbg_dest_tlv->reg_ops[0]) * 1306 drv->fw.dbg_dest_reg_num, GFP_KERNEL); 1307 1308 if (!drv->fw.dbg_dest_tlv) 1309 goto out_free_fw; 1310 } 1311 1312 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++) { 1313 if (pieces->dbg_conf_tlv[i]) { 1314 drv->fw.dbg_conf_tlv_len[i] = 1315 pieces->dbg_conf_tlv_len[i]; 1316 drv->fw.dbg_conf_tlv[i] = 1317 kmemdup(pieces->dbg_conf_tlv[i], 1318 drv->fw.dbg_conf_tlv_len[i], 1319 GFP_KERNEL); 1320 if (!drv->fw.dbg_conf_tlv[i]) 1321 goto out_free_fw; 1322 } 1323 } 1324 1325 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz)); 1326 1327 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] = 1328 sizeof(struct iwl_fw_dbg_trigger_missed_bcon); 1329 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0; 1330 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] = 1331 sizeof(struct iwl_fw_dbg_trigger_cmd); 1332 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] = 1333 sizeof(struct iwl_fw_dbg_trigger_mlme); 1334 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] = 1335 sizeof(struct iwl_fw_dbg_trigger_stats); 1336 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] = 1337 sizeof(struct iwl_fw_dbg_trigger_low_rssi); 1338 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] = 1339 sizeof(struct iwl_fw_dbg_trigger_txq_timer); 1340 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] = 1341 sizeof(struct iwl_fw_dbg_trigger_time_event); 1342 trigger_tlv_sz[FW_DBG_TRIGGER_BA] = 1343 sizeof(struct iwl_fw_dbg_trigger_ba); 1344 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] = 1345 sizeof(struct iwl_fw_dbg_trigger_tdls); 1346 1347 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_trigger_tlv); i++) { 1348 if (pieces->dbg_trigger_tlv[i]) { 1349 /* 1350 * If the trigger isn't long enough, WARN and exit. 1351 * Someone is trying to debug something and he won't 1352 * be able to catch the bug he is trying to chase. 1353 * We'd better be noisy to be sure he knows what's 1354 * going on. 1355 */ 1356 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] < 1357 (trigger_tlv_sz[i] + 1358 sizeof(struct iwl_fw_dbg_trigger_tlv)))) 1359 goto out_free_fw; 1360 drv->fw.dbg_trigger_tlv_len[i] = 1361 pieces->dbg_trigger_tlv_len[i]; 1362 drv->fw.dbg_trigger_tlv[i] = 1363 kmemdup(pieces->dbg_trigger_tlv[i], 1364 drv->fw.dbg_trigger_tlv_len[i], 1365 GFP_KERNEL); 1366 if (!drv->fw.dbg_trigger_tlv[i]) 1367 goto out_free_fw; 1368 } 1369 } 1370 1371 /* Now that we can no longer fail, copy information */ 1372 1373 /* 1374 * The (size - 16) / 12 formula is based on the information recorded 1375 * for each event, which is of mode 1 (including timestamp) for all 1376 * new microcodes that include this information. 1377 */ 1378 fw->init_evtlog_ptr = pieces->init_evtlog_ptr; 1379 if (pieces->init_evtlog_size) 1380 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12; 1381 else 1382 fw->init_evtlog_size = 1383 drv->cfg->base_params->max_event_log_size; 1384 fw->init_errlog_ptr = pieces->init_errlog_ptr; 1385 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr; 1386 if (pieces->inst_evtlog_size) 1387 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12; 1388 else 1389 fw->inst_evtlog_size = 1390 drv->cfg->base_params->max_event_log_size; 1391 fw->inst_errlog_ptr = pieces->inst_errlog_ptr; 1392 1393 /* 1394 * figure out the offset of chain noise reset and gain commands 1395 * base on the size of standard phy calibration commands table size 1396 */ 1397 if (fw->ucode_capa.standard_phy_calibration_size > 1398 IWL_MAX_PHY_CALIBRATE_TBL_SIZE) 1399 fw->ucode_capa.standard_phy_calibration_size = 1400 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1401 1402 /* We have our copies now, allow OS release its copies */ 1403 release_firmware(ucode_raw); 1404 1405 mutex_lock(&iwlwifi_opmode_table_mtx); 1406 if (fw->mvm_fw) 1407 op = &iwlwifi_opmode_table[MVM_OP_MODE]; 1408 else 1409 op = &iwlwifi_opmode_table[DVM_OP_MODE]; 1410 1411 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n", 1412 drv->fw.fw_version, op->name); 1413 1414 /* add this device to the list of devices using this op_mode */ 1415 list_add_tail(&drv->list, &op->drv); 1416 1417 if (op->ops) { 1418 drv->op_mode = _iwl_op_mode_start(drv, op); 1419 1420 if (!drv->op_mode) { 1421 mutex_unlock(&iwlwifi_opmode_table_mtx); 1422 goto out_unbind; 1423 } 1424 } else { 1425 load_module = true; 1426 } 1427 mutex_unlock(&iwlwifi_opmode_table_mtx); 1428 1429 /* 1430 * Complete the firmware request last so that 1431 * a driver unbind (stop) doesn't run while we 1432 * are doing the start() above. 1433 */ 1434 complete(&drv->request_firmware_complete); 1435 1436 /* 1437 * Load the module last so we don't block anything 1438 * else from proceeding if the module fails to load 1439 * or hangs loading. 1440 */ 1441 if (load_module) { 1442 err = request_module("%s", op->name); 1443 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR 1444 if (err) 1445 IWL_ERR(drv, 1446 "failed to load module %s (error %d), is dynamic loading enabled?\n", 1447 op->name, err); 1448 #endif 1449 } 1450 kfree(pieces); 1451 return; 1452 1453 try_again: 1454 /* try next, if any */ 1455 release_firmware(ucode_raw); 1456 if (iwl_request_firmware(drv, false)) 1457 goto out_unbind; 1458 kfree(pieces); 1459 return; 1460 1461 out_free_fw: 1462 IWL_ERR(drv, "failed to allocate pci memory\n"); 1463 iwl_dealloc_ucode(drv); 1464 release_firmware(ucode_raw); 1465 out_unbind: 1466 kfree(pieces); 1467 complete(&drv->request_firmware_complete); 1468 device_release_driver(drv->trans->dev); 1469 } 1470 1471 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans, 1472 const struct iwl_cfg *cfg) 1473 { 1474 struct iwl_drv *drv; 1475 int ret; 1476 1477 drv = kzalloc(sizeof(*drv), GFP_KERNEL); 1478 if (!drv) { 1479 ret = -ENOMEM; 1480 goto err; 1481 } 1482 1483 drv->trans = trans; 1484 drv->dev = trans->dev; 1485 drv->cfg = cfg; 1486 1487 init_completion(&drv->request_firmware_complete); 1488 INIT_LIST_HEAD(&drv->list); 1489 1490 #ifdef CONFIG_IWLWIFI_DEBUGFS 1491 /* Create the device debugfs entries. */ 1492 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev), 1493 iwl_dbgfs_root); 1494 1495 if (!drv->dbgfs_drv) { 1496 IWL_ERR(drv, "failed to create debugfs directory\n"); 1497 ret = -ENOMEM; 1498 goto err_free_drv; 1499 } 1500 1501 /* Create transport layer debugfs dir */ 1502 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv); 1503 1504 if (!drv->trans->dbgfs_dir) { 1505 IWL_ERR(drv, "failed to create transport debugfs directory\n"); 1506 ret = -ENOMEM; 1507 goto err_free_dbgfs; 1508 } 1509 #endif 1510 1511 ret = iwl_request_firmware(drv, true); 1512 if (ret) { 1513 IWL_ERR(trans, "Couldn't request the fw\n"); 1514 goto err_fw; 1515 } 1516 1517 return drv; 1518 1519 err_fw: 1520 #ifdef CONFIG_IWLWIFI_DEBUGFS 1521 err_free_dbgfs: 1522 debugfs_remove_recursive(drv->dbgfs_drv); 1523 err_free_drv: 1524 #endif 1525 kfree(drv); 1526 err: 1527 return ERR_PTR(ret); 1528 } 1529 1530 void iwl_drv_stop(struct iwl_drv *drv) 1531 { 1532 wait_for_completion(&drv->request_firmware_complete); 1533 1534 _iwl_op_mode_stop(drv); 1535 1536 iwl_dealloc_ucode(drv); 1537 1538 mutex_lock(&iwlwifi_opmode_table_mtx); 1539 /* 1540 * List is empty (this item wasn't added) 1541 * when firmware loading failed -- in that 1542 * case we can't remove it from any list. 1543 */ 1544 if (!list_empty(&drv->list)) 1545 list_del(&drv->list); 1546 mutex_unlock(&iwlwifi_opmode_table_mtx); 1547 1548 #ifdef CONFIG_IWLWIFI_DEBUGFS 1549 debugfs_remove_recursive(drv->dbgfs_drv); 1550 #endif 1551 1552 kfree(drv); 1553 } 1554 1555 1556 /* shared module parameters */ 1557 struct iwl_mod_params iwlwifi_mod_params = { 1558 .restart_fw = true, 1559 .bt_coex_active = true, 1560 .power_level = IWL_POWER_INDEX_1, 1561 .d0i3_disable = true, 1562 .d0i3_entry_delay = 1000, 1563 #ifndef CONFIG_IWLWIFI_UAPSD 1564 .uapsd_disable = true, 1565 #endif /* CONFIG_IWLWIFI_UAPSD */ 1566 /* the rest are 0 by default */ 1567 }; 1568 IWL_EXPORT_SYMBOL(iwlwifi_mod_params); 1569 1570 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops) 1571 { 1572 int i; 1573 struct iwl_drv *drv; 1574 struct iwlwifi_opmode_table *op; 1575 1576 mutex_lock(&iwlwifi_opmode_table_mtx); 1577 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1578 op = &iwlwifi_opmode_table[i]; 1579 if (strcmp(op->name, name)) 1580 continue; 1581 op->ops = ops; 1582 /* TODO: need to handle exceptional case */ 1583 list_for_each_entry(drv, &op->drv, list) 1584 drv->op_mode = _iwl_op_mode_start(drv, op); 1585 1586 mutex_unlock(&iwlwifi_opmode_table_mtx); 1587 return 0; 1588 } 1589 mutex_unlock(&iwlwifi_opmode_table_mtx); 1590 return -EIO; 1591 } 1592 IWL_EXPORT_SYMBOL(iwl_opmode_register); 1593 1594 void iwl_opmode_deregister(const char *name) 1595 { 1596 int i; 1597 struct iwl_drv *drv; 1598 1599 mutex_lock(&iwlwifi_opmode_table_mtx); 1600 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1601 if (strcmp(iwlwifi_opmode_table[i].name, name)) 1602 continue; 1603 iwlwifi_opmode_table[i].ops = NULL; 1604 1605 /* call the stop routine for all devices */ 1606 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list) 1607 _iwl_op_mode_stop(drv); 1608 1609 mutex_unlock(&iwlwifi_opmode_table_mtx); 1610 return; 1611 } 1612 mutex_unlock(&iwlwifi_opmode_table_mtx); 1613 } 1614 IWL_EXPORT_SYMBOL(iwl_opmode_deregister); 1615 1616 static int __init iwl_drv_init(void) 1617 { 1618 int i; 1619 1620 mutex_init(&iwlwifi_opmode_table_mtx); 1621 1622 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) 1623 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv); 1624 1625 pr_info(DRV_DESCRIPTION "\n"); 1626 pr_info(DRV_COPYRIGHT "\n"); 1627 1628 #ifdef CONFIG_IWLWIFI_DEBUGFS 1629 /* Create the root of iwlwifi debugfs subsystem. */ 1630 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL); 1631 1632 if (!iwl_dbgfs_root) 1633 return -EFAULT; 1634 #endif 1635 1636 return iwl_pci_register_driver(); 1637 } 1638 module_init(iwl_drv_init); 1639 1640 static void __exit iwl_drv_exit(void) 1641 { 1642 iwl_pci_unregister_driver(); 1643 1644 #ifdef CONFIG_IWLWIFI_DEBUGFS 1645 debugfs_remove_recursive(iwl_dbgfs_root); 1646 #endif 1647 } 1648 module_exit(iwl_drv_exit); 1649 1650 #ifdef CONFIG_IWLWIFI_DEBUG 1651 module_param_named(debug, iwlwifi_mod_params.debug_level, uint, 1652 S_IRUGO | S_IWUSR); 1653 MODULE_PARM_DESC(debug, "debug output mask"); 1654 #endif 1655 1656 module_param_named(swcrypto, iwlwifi_mod_params.sw_crypto, int, S_IRUGO); 1657 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); 1658 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO); 1659 MODULE_PARM_DESC(11n_disable, 1660 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX"); 1661 module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, 1662 int, S_IRUGO); 1663 MODULE_PARM_DESC(amsdu_size, "amsdu size 0:4K 1:8K 2:12K (default 0)"); 1664 module_param_named(fw_restart, iwlwifi_mod_params.restart_fw, bool, S_IRUGO); 1665 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)"); 1666 1667 module_param_named(antenna_coupling, iwlwifi_mod_params.ant_coupling, 1668 int, S_IRUGO); 1669 MODULE_PARM_DESC(antenna_coupling, 1670 "specify antenna coupling in dB (default: 0 dB)"); 1671 1672 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, S_IRUGO); 1673 MODULE_PARM_DESC(nvm_file, "NVM file name"); 1674 1675 module_param_named(d0i3_disable, iwlwifi_mod_params.d0i3_disable, 1676 bool, S_IRUGO); 1677 MODULE_PARM_DESC(d0i3_disable, "disable d0i3 functionality (default: Y)"); 1678 1679 module_param_named(lar_disable, iwlwifi_mod_params.lar_disable, 1680 bool, S_IRUGO); 1681 MODULE_PARM_DESC(lar_disable, "disable LAR functionality (default: N)"); 1682 1683 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, 1684 bool, S_IRUGO | S_IWUSR); 1685 #ifdef CONFIG_IWLWIFI_UAPSD 1686 MODULE_PARM_DESC(uapsd_disable, "disable U-APSD functionality (default: N)"); 1687 #else 1688 MODULE_PARM_DESC(uapsd_disable, "disable U-APSD functionality (default: Y)"); 1689 #endif 1690 1691 /* 1692 * set bt_coex_active to true, uCode will do kill/defer 1693 * every time the priority line is asserted (BT is sending signals on the 1694 * priority line in the PCIx). 1695 * set bt_coex_active to false, uCode will ignore the BT activity and 1696 * perform the normal operation 1697 * 1698 * User might experience transmit issue on some platform due to WiFi/BT 1699 * co-exist problem. The possible behaviors are: 1700 * Able to scan and finding all the available AP 1701 * Not able to associate with any AP 1702 * On those platforms, WiFi communication can be restored by set 1703 * "bt_coex_active" module parameter to "false" 1704 * 1705 * default: bt_coex_active = true (BT_COEX_ENABLE) 1706 */ 1707 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active, 1708 bool, S_IRUGO); 1709 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); 1710 1711 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, S_IRUGO); 1712 MODULE_PARM_DESC(led_mode, "0=system default, " 1713 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); 1714 1715 module_param_named(power_save, iwlwifi_mod_params.power_save, 1716 bool, S_IRUGO); 1717 MODULE_PARM_DESC(power_save, 1718 "enable WiFi power management (default: disable)"); 1719 1720 module_param_named(power_level, iwlwifi_mod_params.power_level, 1721 int, S_IRUGO); 1722 MODULE_PARM_DESC(power_level, 1723 "default power save level (range from 1 - 5, default: 1)"); 1724 1725 module_param_named(fw_monitor, iwlwifi_mod_params.fw_monitor, bool, S_IRUGO); 1726 MODULE_PARM_DESC(fw_monitor, 1727 "firmware monitor - to debug FW (default: false - needs lots of memory)"); 1728 1729 module_param_named(d0i3_timeout, iwlwifi_mod_params.d0i3_entry_delay, 1730 uint, S_IRUGO); 1731 MODULE_PARM_DESC(d0i3_timeout, "Timeout to D0i3 entry when idle (ms)"); 1732 1733 module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, 1734 S_IRUGO); 1735 MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities"); 1736