1 /****************************************************************************** 2 * 3 * This file is provided under a dual BSD/GPLv2 license. When using or 4 * redistributing this file, you may do so under either license. 5 * 6 * GPL LICENSE SUMMARY 7 * 8 * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved. 9 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 10 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 11 * 12 * This program is free software; you can redistribute it and/or modify 13 * it under the terms of version 2 of the GNU General Public License as 14 * published by the Free Software Foundation. 15 * 16 * This program is distributed in the hope that it will be useful, but 17 * WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 19 * General Public License for more details. 20 * 21 * The full GNU General Public License is included in this distribution 22 * in the file called COPYING. 23 * 24 * Contact Information: 25 * Intel Linux Wireless <linuxwifi@intel.com> 26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 27 * 28 * BSD LICENSE 29 * 30 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. 31 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 32 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 33 * All rights reserved. 34 * 35 * Redistribution and use in source and binary forms, with or without 36 * modification, are permitted provided that the following conditions 37 * are met: 38 * 39 * * Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * * Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in 43 * the documentation and/or other materials provided with the 44 * distribution. 45 * * Neither the name Intel Corporation nor the names of its 46 * contributors may be used to endorse or promote products derived 47 * from this software without specific prior written permission. 48 * 49 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 50 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 51 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 52 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 53 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 54 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 55 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 56 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 57 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 58 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 59 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 60 * 61 *****************************************************************************/ 62 #include <linux/completion.h> 63 #include <linux/dma-mapping.h> 64 #include <linux/firmware.h> 65 #include <linux/module.h> 66 #include <linux/vmalloc.h> 67 68 #include "iwl-drv.h" 69 #include "iwl-csr.h" 70 #include "iwl-debug.h" 71 #include "iwl-trans.h" 72 #include "iwl-op-mode.h" 73 #include "iwl-agn-hw.h" 74 #include "fw/img.h" 75 #include "iwl-config.h" 76 #include "iwl-modparams.h" 77 78 /****************************************************************************** 79 * 80 * module boiler plate 81 * 82 ******************************************************************************/ 83 84 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux" 85 MODULE_DESCRIPTION(DRV_DESCRIPTION); 86 MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); 87 MODULE_LICENSE("GPL"); 88 89 #ifdef CONFIG_IWLWIFI_DEBUGFS 90 static struct dentry *iwl_dbgfs_root; 91 #endif 92 93 /** 94 * struct iwl_drv - drv common data 95 * @list: list of drv structures using this opmode 96 * @fw: the iwl_fw structure 97 * @op_mode: the running op_mode 98 * @trans: transport layer 99 * @dev: for debug prints only 100 * @fw_index: firmware revision to try loading 101 * @firmware_name: composite filename of ucode file to load 102 * @request_firmware_complete: the firmware has been obtained from user space 103 */ 104 struct iwl_drv { 105 struct list_head list; 106 struct iwl_fw fw; 107 108 struct iwl_op_mode *op_mode; 109 struct iwl_trans *trans; 110 struct device *dev; 111 112 int fw_index; /* firmware we're trying to load */ 113 char firmware_name[64]; /* name of firmware file to load */ 114 115 struct completion request_firmware_complete; 116 117 #ifdef CONFIG_IWLWIFI_DEBUGFS 118 struct dentry *dbgfs_drv; 119 struct dentry *dbgfs_trans; 120 struct dentry *dbgfs_op_mode; 121 #endif 122 }; 123 124 enum { 125 DVM_OP_MODE, 126 MVM_OP_MODE, 127 }; 128 129 /* Protects the table contents, i.e. the ops pointer & drv list */ 130 static struct mutex iwlwifi_opmode_table_mtx; 131 static struct iwlwifi_opmode_table { 132 const char *name; /* name: iwldvm, iwlmvm, etc */ 133 const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */ 134 struct list_head drv; /* list of devices using this op_mode */ 135 } iwlwifi_opmode_table[] = { /* ops set when driver is initialized */ 136 [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL }, 137 [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL }, 138 }; 139 140 #define IWL_DEFAULT_SCAN_CHANNELS 40 141 142 /* 143 * struct fw_sec: Just for the image parsing process. 144 * For the fw storage we are using struct fw_desc. 145 */ 146 struct fw_sec { 147 const void *data; /* the sec data */ 148 size_t size; /* section size */ 149 u32 offset; /* offset of writing in the device */ 150 }; 151 152 static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc) 153 { 154 vfree(desc->data); 155 desc->data = NULL; 156 desc->len = 0; 157 } 158 159 static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img) 160 { 161 int i; 162 for (i = 0; i < img->num_sec; i++) 163 iwl_free_fw_desc(drv, &img->sec[i]); 164 kfree(img->sec); 165 } 166 167 static void iwl_dealloc_ucode(struct iwl_drv *drv) 168 { 169 int i; 170 171 kfree(drv->fw.dbg.dest_tlv); 172 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) 173 kfree(drv->fw.dbg.conf_tlv[i]); 174 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) 175 kfree(drv->fw.dbg.trigger_tlv[i]); 176 kfree(drv->fw.dbg.mem_tlv); 177 kfree(drv->fw.iml); 178 179 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 180 iwl_free_fw_img(drv, drv->fw.img + i); 181 } 182 183 static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc, 184 struct fw_sec *sec) 185 { 186 void *data; 187 188 desc->data = NULL; 189 190 if (!sec || !sec->size) 191 return -EINVAL; 192 193 data = vmalloc(sec->size); 194 if (!data) 195 return -ENOMEM; 196 197 desc->len = sec->size; 198 desc->offset = sec->offset; 199 memcpy(data, sec->data, desc->len); 200 desc->data = data; 201 202 return 0; 203 } 204 205 static void iwl_req_fw_callback(const struct firmware *ucode_raw, 206 void *context); 207 208 static int iwl_request_firmware(struct iwl_drv *drv, bool first) 209 { 210 const struct iwl_cfg *cfg = drv->trans->cfg; 211 char tag[8]; 212 const char *fw_pre_name; 213 214 if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_9000 && 215 (CSR_HW_REV_STEP(drv->trans->hw_rev) == SILICON_B_STEP || 216 CSR_HW_REV_STEP(drv->trans->hw_rev) == SILICON_C_STEP)) 217 fw_pre_name = cfg->fw_name_pre_b_or_c_step; 218 else if (drv->trans->cfg->integrated && 219 CSR_HW_RFID_STEP(drv->trans->hw_rf_id) == SILICON_B_STEP && 220 cfg->fw_name_pre_rf_next_step) 221 fw_pre_name = cfg->fw_name_pre_rf_next_step; 222 else 223 fw_pre_name = cfg->fw_name_pre; 224 225 if (first) { 226 drv->fw_index = 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 < cfg->ucode_api_min) { 234 IWL_ERR(drv, "no suitable firmware found!\n"); 235 236 if (cfg->ucode_api_min == cfg->ucode_api_max) { 237 IWL_ERR(drv, "%s%d is required\n", fw_pre_name, 238 cfg->ucode_api_max); 239 } else { 240 IWL_ERR(drv, "minimum version required: %s%d\n", 241 fw_pre_name, 242 cfg->ucode_api_min); 243 IWL_ERR(drv, "maximum version supported: %s%d\n", 244 fw_pre_name, 245 cfg->ucode_api_max); 246 } 247 248 IWL_ERR(drv, 249 "check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git\n"); 250 return -ENOENT; 251 } 252 253 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode", 254 fw_pre_name, tag); 255 256 IWL_DEBUG_INFO(drv, "attempting to load firmware '%s'\n", 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; 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 bool dbg_dest_tlv_init; 296 u8 *dbg_dest_ver; 297 union { 298 struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv; 299 struct iwl_fw_dbg_dest_tlv_v1 *dbg_dest_tlv_v1; 300 }; 301 struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX]; 302 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX]; 303 struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX]; 304 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX]; 305 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv; 306 size_t n_mem_tlv; 307 }; 308 309 /* 310 * These functions are just to extract uCode section data from the pieces 311 * structure. 312 */ 313 static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces, 314 enum iwl_ucode_type type, 315 int sec) 316 { 317 return &pieces->img[type].sec[sec]; 318 } 319 320 static void alloc_sec_data(struct iwl_firmware_pieces *pieces, 321 enum iwl_ucode_type type, 322 int sec) 323 { 324 struct fw_img_parsing *img = &pieces->img[type]; 325 struct fw_sec *sec_memory; 326 int size = sec + 1; 327 size_t alloc_size = sizeof(*img->sec) * size; 328 329 if (img->sec && img->sec_counter >= size) 330 return; 331 332 sec_memory = krealloc(img->sec, alloc_size, GFP_KERNEL); 333 if (!sec_memory) 334 return; 335 336 img->sec = sec_memory; 337 img->sec_counter = size; 338 } 339 340 static void set_sec_data(struct iwl_firmware_pieces *pieces, 341 enum iwl_ucode_type type, 342 int sec, 343 const void *data) 344 { 345 alloc_sec_data(pieces, type, sec); 346 347 pieces->img[type].sec[sec].data = data; 348 } 349 350 static void set_sec_size(struct iwl_firmware_pieces *pieces, 351 enum iwl_ucode_type type, 352 int sec, 353 size_t size) 354 { 355 alloc_sec_data(pieces, type, sec); 356 357 pieces->img[type].sec[sec].size = size; 358 } 359 360 static size_t get_sec_size(struct iwl_firmware_pieces *pieces, 361 enum iwl_ucode_type type, 362 int sec) 363 { 364 return pieces->img[type].sec[sec].size; 365 } 366 367 static void set_sec_offset(struct iwl_firmware_pieces *pieces, 368 enum iwl_ucode_type type, 369 int sec, 370 u32 offset) 371 { 372 alloc_sec_data(pieces, type, sec); 373 374 pieces->img[type].sec[sec].offset = offset; 375 } 376 377 static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len) 378 { 379 int i, j; 380 struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data; 381 struct iwl_fw_cipher_scheme *fwcs; 382 383 if (len < sizeof(*l) || 384 len < sizeof(l->size) + l->size * sizeof(l->cs[0])) 385 return -EINVAL; 386 387 for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) { 388 fwcs = &l->cs[j]; 389 390 /* we skip schemes with zero cipher suite selector */ 391 if (!fwcs->cipher) 392 continue; 393 394 fw->cs[j++] = *fwcs; 395 } 396 397 return 0; 398 } 399 400 /* 401 * Gets uCode section from tlv. 402 */ 403 static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces, 404 const void *data, enum iwl_ucode_type type, 405 int size) 406 { 407 struct fw_img_parsing *img; 408 struct fw_sec *sec; 409 struct fw_sec_parsing *sec_parse; 410 size_t alloc_size; 411 412 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX)) 413 return -1; 414 415 sec_parse = (struct fw_sec_parsing *)data; 416 417 img = &pieces->img[type]; 418 419 alloc_size = sizeof(*img->sec) * (img->sec_counter + 1); 420 sec = krealloc(img->sec, alloc_size, GFP_KERNEL); 421 if (!sec) 422 return -ENOMEM; 423 img->sec = sec; 424 425 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 void 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_WARN(drv, 464 "api flags index %d larger than supported by driver\n", 465 api_index); 466 return; 467 } 468 469 for (i = 0; i < 32; i++) { 470 if (api_flags & BIT(i)) 471 __set_bit(i + 32 * api_index, capa->_api); 472 } 473 } 474 475 static void iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data, 476 struct iwl_ucode_capabilities *capa) 477 { 478 const struct iwl_ucode_capa *ucode_capa = (void *)data; 479 u32 api_index = le32_to_cpu(ucode_capa->api_index); 480 u32 api_flags = le32_to_cpu(ucode_capa->api_capa); 481 int i; 482 483 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) { 484 IWL_WARN(drv, 485 "capa flags index %d larger than supported by driver\n", 486 api_index); 487 return; 488 } 489 490 for (i = 0; i < 32; i++) { 491 if (api_flags & BIT(i)) 492 __set_bit(i + 32 * api_index, capa->_capa); 493 } 494 } 495 496 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv, 497 const struct firmware *ucode_raw, 498 struct iwl_firmware_pieces *pieces) 499 { 500 struct iwl_ucode_header *ucode = (void *)ucode_raw->data; 501 u32 api_ver, hdr_size, build; 502 char buildstr[25]; 503 const u8 *src; 504 505 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 506 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 507 508 switch (api_ver) { 509 default: 510 hdr_size = 28; 511 if (ucode_raw->size < hdr_size) { 512 IWL_ERR(drv, "File size too small!\n"); 513 return -EINVAL; 514 } 515 build = le32_to_cpu(ucode->u.v2.build); 516 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 517 le32_to_cpu(ucode->u.v2.inst_size)); 518 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 519 le32_to_cpu(ucode->u.v2.data_size)); 520 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 521 le32_to_cpu(ucode->u.v2.init_size)); 522 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 523 le32_to_cpu(ucode->u.v2.init_data_size)); 524 src = ucode->u.v2.data; 525 break; 526 case 0: 527 case 1: 528 case 2: 529 hdr_size = 24; 530 if (ucode_raw->size < hdr_size) { 531 IWL_ERR(drv, "File size too small!\n"); 532 return -EINVAL; 533 } 534 build = 0; 535 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 536 le32_to_cpu(ucode->u.v1.inst_size)); 537 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 538 le32_to_cpu(ucode->u.v1.data_size)); 539 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 540 le32_to_cpu(ucode->u.v1.init_size)); 541 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 542 le32_to_cpu(ucode->u.v1.init_data_size)); 543 src = ucode->u.v1.data; 544 break; 545 } 546 547 if (build) 548 sprintf(buildstr, " build %u", build); 549 else 550 buildstr[0] = '\0'; 551 552 snprintf(drv->fw.fw_version, 553 sizeof(drv->fw.fw_version), 554 "%u.%u.%u.%u%s", 555 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 556 IWL_UCODE_MINOR(drv->fw.ucode_ver), 557 IWL_UCODE_API(drv->fw.ucode_ver), 558 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 559 buildstr); 560 561 /* Verify size of file vs. image size info in file's header */ 562 563 if (ucode_raw->size != hdr_size + 564 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) + 565 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) + 566 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) + 567 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { 568 569 IWL_ERR(drv, 570 "uCode file size %d does not match expected size\n", 571 (int)ucode_raw->size); 572 return -EINVAL; 573 } 574 575 576 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src); 577 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST); 578 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 579 IWLAGN_RTC_INST_LOWER_BOUND); 580 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src); 581 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA); 582 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 583 IWLAGN_RTC_DATA_LOWER_BOUND); 584 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src); 585 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST); 586 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 587 IWLAGN_RTC_INST_LOWER_BOUND); 588 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src); 589 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA); 590 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 591 IWLAGN_RTC_DATA_LOWER_BOUND); 592 return 0; 593 } 594 595 static int iwl_parse_tlv_firmware(struct iwl_drv *drv, 596 const struct firmware *ucode_raw, 597 struct iwl_firmware_pieces *pieces, 598 struct iwl_ucode_capabilities *capa, 599 bool *usniffer_images) 600 { 601 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; 602 struct iwl_ucode_tlv *tlv; 603 size_t len = ucode_raw->size; 604 const u8 *data; 605 u32 tlv_len; 606 u32 usniffer_img; 607 enum iwl_ucode_tlv_type tlv_type; 608 const u8 *tlv_data; 609 char buildstr[25]; 610 u32 build, paging_mem_size; 611 int num_of_cpus; 612 bool usniffer_req = false; 613 614 if (len < sizeof(*ucode)) { 615 IWL_ERR(drv, "uCode has invalid length: %zd\n", len); 616 return -EINVAL; 617 } 618 619 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { 620 IWL_ERR(drv, "invalid uCode magic: 0X%x\n", 621 le32_to_cpu(ucode->magic)); 622 return -EINVAL; 623 } 624 625 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 626 memcpy(drv->fw.human_readable, ucode->human_readable, 627 sizeof(drv->fw.human_readable)); 628 build = le32_to_cpu(ucode->build); 629 630 if (build) 631 sprintf(buildstr, " build %u", build); 632 else 633 buildstr[0] = '\0'; 634 635 snprintf(drv->fw.fw_version, 636 sizeof(drv->fw.fw_version), 637 "%u.%u.%u.%u%s", 638 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 639 IWL_UCODE_MINOR(drv->fw.ucode_ver), 640 IWL_UCODE_API(drv->fw.ucode_ver), 641 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 642 buildstr); 643 644 data = ucode->data; 645 646 len -= sizeof(*ucode); 647 648 while (len >= sizeof(*tlv)) { 649 len -= sizeof(*tlv); 650 tlv = (void *)data; 651 652 tlv_len = le32_to_cpu(tlv->length); 653 tlv_type = le32_to_cpu(tlv->type); 654 tlv_data = tlv->data; 655 656 if (len < tlv_len) { 657 IWL_ERR(drv, "invalid TLV len: %zd/%u\n", 658 len, tlv_len); 659 return -EINVAL; 660 } 661 len -= ALIGN(tlv_len, 4); 662 data += sizeof(*tlv) + ALIGN(tlv_len, 4); 663 664 switch (tlv_type) { 665 case IWL_UCODE_TLV_INST: 666 set_sec_data(pieces, IWL_UCODE_REGULAR, 667 IWL_UCODE_SECTION_INST, tlv_data); 668 set_sec_size(pieces, IWL_UCODE_REGULAR, 669 IWL_UCODE_SECTION_INST, tlv_len); 670 set_sec_offset(pieces, IWL_UCODE_REGULAR, 671 IWL_UCODE_SECTION_INST, 672 IWLAGN_RTC_INST_LOWER_BOUND); 673 break; 674 case IWL_UCODE_TLV_DATA: 675 set_sec_data(pieces, IWL_UCODE_REGULAR, 676 IWL_UCODE_SECTION_DATA, tlv_data); 677 set_sec_size(pieces, IWL_UCODE_REGULAR, 678 IWL_UCODE_SECTION_DATA, tlv_len); 679 set_sec_offset(pieces, IWL_UCODE_REGULAR, 680 IWL_UCODE_SECTION_DATA, 681 IWLAGN_RTC_DATA_LOWER_BOUND); 682 break; 683 case IWL_UCODE_TLV_INIT: 684 set_sec_data(pieces, IWL_UCODE_INIT, 685 IWL_UCODE_SECTION_INST, tlv_data); 686 set_sec_size(pieces, IWL_UCODE_INIT, 687 IWL_UCODE_SECTION_INST, tlv_len); 688 set_sec_offset(pieces, IWL_UCODE_INIT, 689 IWL_UCODE_SECTION_INST, 690 IWLAGN_RTC_INST_LOWER_BOUND); 691 break; 692 case IWL_UCODE_TLV_INIT_DATA: 693 set_sec_data(pieces, IWL_UCODE_INIT, 694 IWL_UCODE_SECTION_DATA, tlv_data); 695 set_sec_size(pieces, IWL_UCODE_INIT, 696 IWL_UCODE_SECTION_DATA, tlv_len); 697 set_sec_offset(pieces, IWL_UCODE_INIT, 698 IWL_UCODE_SECTION_DATA, 699 IWLAGN_RTC_DATA_LOWER_BOUND); 700 break; 701 case IWL_UCODE_TLV_BOOT: 702 IWL_ERR(drv, "Found unexpected BOOT ucode\n"); 703 break; 704 case IWL_UCODE_TLV_PROBE_MAX_LEN: 705 if (tlv_len != sizeof(u32)) 706 goto invalid_tlv_len; 707 capa->max_probe_length = 708 le32_to_cpup((__le32 *)tlv_data); 709 break; 710 case IWL_UCODE_TLV_PAN: 711 if (tlv_len) 712 goto invalid_tlv_len; 713 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; 714 break; 715 case IWL_UCODE_TLV_FLAGS: 716 /* must be at least one u32 */ 717 if (tlv_len < sizeof(u32)) 718 goto invalid_tlv_len; 719 /* and a proper number of u32s */ 720 if (tlv_len % sizeof(u32)) 721 goto invalid_tlv_len; 722 /* 723 * This driver only reads the first u32 as 724 * right now no more features are defined, 725 * if that changes then either the driver 726 * will not work with the new firmware, or 727 * it'll not take advantage of new features. 728 */ 729 capa->flags = le32_to_cpup((__le32 *)tlv_data); 730 break; 731 case IWL_UCODE_TLV_API_CHANGES_SET: 732 if (tlv_len != sizeof(struct iwl_ucode_api)) 733 goto invalid_tlv_len; 734 iwl_set_ucode_api_flags(drv, tlv_data, capa); 735 break; 736 case IWL_UCODE_TLV_ENABLED_CAPABILITIES: 737 if (tlv_len != sizeof(struct iwl_ucode_capa)) 738 goto invalid_tlv_len; 739 iwl_set_ucode_capabilities(drv, tlv_data, capa); 740 break; 741 case IWL_UCODE_TLV_INIT_EVTLOG_PTR: 742 if (tlv_len != sizeof(u32)) 743 goto invalid_tlv_len; 744 pieces->init_evtlog_ptr = 745 le32_to_cpup((__le32 *)tlv_data); 746 break; 747 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: 748 if (tlv_len != sizeof(u32)) 749 goto invalid_tlv_len; 750 pieces->init_evtlog_size = 751 le32_to_cpup((__le32 *)tlv_data); 752 break; 753 case IWL_UCODE_TLV_INIT_ERRLOG_PTR: 754 if (tlv_len != sizeof(u32)) 755 goto invalid_tlv_len; 756 pieces->init_errlog_ptr = 757 le32_to_cpup((__le32 *)tlv_data); 758 break; 759 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: 760 if (tlv_len != sizeof(u32)) 761 goto invalid_tlv_len; 762 pieces->inst_evtlog_ptr = 763 le32_to_cpup((__le32 *)tlv_data); 764 break; 765 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: 766 if (tlv_len != sizeof(u32)) 767 goto invalid_tlv_len; 768 pieces->inst_evtlog_size = 769 le32_to_cpup((__le32 *)tlv_data); 770 break; 771 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: 772 if (tlv_len != sizeof(u32)) 773 goto invalid_tlv_len; 774 pieces->inst_errlog_ptr = 775 le32_to_cpup((__le32 *)tlv_data); 776 break; 777 case IWL_UCODE_TLV_ENHANCE_SENS_TBL: 778 if (tlv_len) 779 goto invalid_tlv_len; 780 drv->fw.enhance_sensitivity_table = true; 781 break; 782 case IWL_UCODE_TLV_WOWLAN_INST: 783 set_sec_data(pieces, IWL_UCODE_WOWLAN, 784 IWL_UCODE_SECTION_INST, tlv_data); 785 set_sec_size(pieces, IWL_UCODE_WOWLAN, 786 IWL_UCODE_SECTION_INST, tlv_len); 787 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 788 IWL_UCODE_SECTION_INST, 789 IWLAGN_RTC_INST_LOWER_BOUND); 790 break; 791 case IWL_UCODE_TLV_WOWLAN_DATA: 792 set_sec_data(pieces, IWL_UCODE_WOWLAN, 793 IWL_UCODE_SECTION_DATA, tlv_data); 794 set_sec_size(pieces, IWL_UCODE_WOWLAN, 795 IWL_UCODE_SECTION_DATA, tlv_len); 796 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 797 IWL_UCODE_SECTION_DATA, 798 IWLAGN_RTC_DATA_LOWER_BOUND); 799 break; 800 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: 801 if (tlv_len != sizeof(u32)) 802 goto invalid_tlv_len; 803 capa->standard_phy_calibration_size = 804 le32_to_cpup((__le32 *)tlv_data); 805 break; 806 case IWL_UCODE_TLV_SEC_RT: 807 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 808 tlv_len); 809 drv->fw.type = IWL_FW_MVM; 810 break; 811 case IWL_UCODE_TLV_SEC_INIT: 812 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 813 tlv_len); 814 drv->fw.type = IWL_FW_MVM; 815 break; 816 case IWL_UCODE_TLV_SEC_WOWLAN: 817 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 818 tlv_len); 819 drv->fw.type = IWL_FW_MVM; 820 break; 821 case IWL_UCODE_TLV_DEF_CALIB: 822 if (tlv_len != sizeof(struct iwl_tlv_calib_data)) 823 goto invalid_tlv_len; 824 if (iwl_set_default_calib(drv, tlv_data)) 825 goto tlv_error; 826 break; 827 case IWL_UCODE_TLV_PHY_SKU: 828 if (tlv_len != sizeof(u32)) 829 goto invalid_tlv_len; 830 drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data); 831 drv->fw.valid_tx_ant = (drv->fw.phy_config & 832 FW_PHY_CFG_TX_CHAIN) >> 833 FW_PHY_CFG_TX_CHAIN_POS; 834 drv->fw.valid_rx_ant = (drv->fw.phy_config & 835 FW_PHY_CFG_RX_CHAIN) >> 836 FW_PHY_CFG_RX_CHAIN_POS; 837 break; 838 case IWL_UCODE_TLV_SECURE_SEC_RT: 839 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 840 tlv_len); 841 drv->fw.type = IWL_FW_MVM; 842 break; 843 case IWL_UCODE_TLV_SECURE_SEC_INIT: 844 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 845 tlv_len); 846 drv->fw.type = IWL_FW_MVM; 847 break; 848 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN: 849 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 850 tlv_len); 851 drv->fw.type = IWL_FW_MVM; 852 break; 853 case IWL_UCODE_TLV_NUM_OF_CPU: 854 if (tlv_len != sizeof(u32)) 855 goto invalid_tlv_len; 856 num_of_cpus = 857 le32_to_cpup((__le32 *)tlv_data); 858 859 if (num_of_cpus == 2) { 860 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus = 861 true; 862 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus = 863 true; 864 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus = 865 true; 866 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) { 867 IWL_ERR(drv, "Driver support upto 2 CPUs\n"); 868 return -EINVAL; 869 } 870 break; 871 case IWL_UCODE_TLV_CSCHEME: 872 if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len)) 873 goto invalid_tlv_len; 874 break; 875 case IWL_UCODE_TLV_N_SCAN_CHANNELS: 876 if (tlv_len != sizeof(u32)) 877 goto invalid_tlv_len; 878 capa->n_scan_channels = 879 le32_to_cpup((__le32 *)tlv_data); 880 break; 881 case IWL_UCODE_TLV_FW_VERSION: { 882 __le32 *ptr = (void *)tlv_data; 883 u32 major, minor; 884 u8 local_comp; 885 886 if (tlv_len != sizeof(u32) * 3) 887 goto invalid_tlv_len; 888 889 major = le32_to_cpup(ptr++); 890 minor = le32_to_cpup(ptr++); 891 local_comp = le32_to_cpup(ptr); 892 893 if (major >= 35) 894 snprintf(drv->fw.fw_version, 895 sizeof(drv->fw.fw_version), 896 "%u.%08x.%u", major, minor, local_comp); 897 else 898 snprintf(drv->fw.fw_version, 899 sizeof(drv->fw.fw_version), 900 "%u.%u.%u", major, minor, local_comp); 901 break; 902 } 903 case IWL_UCODE_TLV_FW_DBG_DEST: { 904 struct iwl_fw_dbg_dest_tlv *dest = NULL; 905 struct iwl_fw_dbg_dest_tlv_v1 *dest_v1 = NULL; 906 u8 mon_mode; 907 908 pieces->dbg_dest_ver = (u8 *)tlv_data; 909 if (*pieces->dbg_dest_ver == 1) { 910 dest = (void *)tlv_data; 911 } else if (*pieces->dbg_dest_ver == 0) { 912 dest_v1 = (void *)tlv_data; 913 } else { 914 IWL_ERR(drv, 915 "The version is %d, and it is invalid\n", 916 *pieces->dbg_dest_ver); 917 break; 918 } 919 920 if (pieces->dbg_dest_tlv_init) { 921 IWL_ERR(drv, 922 "dbg destination ignored, already exists\n"); 923 break; 924 } 925 926 pieces->dbg_dest_tlv_init = true; 927 928 if (dest_v1) { 929 pieces->dbg_dest_tlv_v1 = dest_v1; 930 mon_mode = dest_v1->monitor_mode; 931 } else { 932 pieces->dbg_dest_tlv = dest; 933 mon_mode = dest->monitor_mode; 934 } 935 936 IWL_INFO(drv, "Found debug destination: %s\n", 937 get_fw_dbg_mode_string(mon_mode)); 938 939 drv->fw.dbg.n_dest_reg = (dest_v1) ? 940 tlv_len - 941 offsetof(struct iwl_fw_dbg_dest_tlv_v1, 942 reg_ops) : 943 tlv_len - 944 offsetof(struct iwl_fw_dbg_dest_tlv, 945 reg_ops); 946 947 drv->fw.dbg.n_dest_reg /= 948 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]); 949 950 break; 951 } 952 case IWL_UCODE_TLV_FW_DBG_CONF: { 953 struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data; 954 955 if (!pieces->dbg_dest_tlv_init) { 956 IWL_ERR(drv, 957 "Ignore dbg config %d - no destination configured\n", 958 conf->id); 959 break; 960 } 961 962 if (conf->id >= ARRAY_SIZE(drv->fw.dbg.conf_tlv)) { 963 IWL_ERR(drv, 964 "Skip unknown configuration: %d\n", 965 conf->id); 966 break; 967 } 968 969 if (pieces->dbg_conf_tlv[conf->id]) { 970 IWL_ERR(drv, 971 "Ignore duplicate dbg config %d\n", 972 conf->id); 973 break; 974 } 975 976 if (conf->usniffer) 977 usniffer_req = true; 978 979 IWL_INFO(drv, "Found debug configuration: %d\n", 980 conf->id); 981 982 pieces->dbg_conf_tlv[conf->id] = conf; 983 pieces->dbg_conf_tlv_len[conf->id] = tlv_len; 984 break; 985 } 986 case IWL_UCODE_TLV_FW_DBG_TRIGGER: { 987 struct iwl_fw_dbg_trigger_tlv *trigger = 988 (void *)tlv_data; 989 u32 trigger_id = le32_to_cpu(trigger->id); 990 991 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg.trigger_tlv)) { 992 IWL_ERR(drv, 993 "Skip unknown trigger: %u\n", 994 trigger->id); 995 break; 996 } 997 998 if (pieces->dbg_trigger_tlv[trigger_id]) { 999 IWL_ERR(drv, 1000 "Ignore duplicate dbg trigger %u\n", 1001 trigger->id); 1002 break; 1003 } 1004 1005 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id); 1006 1007 pieces->dbg_trigger_tlv[trigger_id] = trigger; 1008 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len; 1009 break; 1010 } 1011 case IWL_UCODE_TLV_FW_DBG_DUMP_LST: { 1012 if (tlv_len != sizeof(u32)) { 1013 IWL_ERR(drv, 1014 "dbg lst mask size incorrect, skip\n"); 1015 break; 1016 } 1017 1018 drv->fw.dbg.dump_mask = 1019 le32_to_cpup((__le32 *)tlv_data); 1020 break; 1021 } 1022 case IWL_UCODE_TLV_SEC_RT_USNIFFER: 1023 *usniffer_images = true; 1024 iwl_store_ucode_sec(pieces, tlv_data, 1025 IWL_UCODE_REGULAR_USNIFFER, 1026 tlv_len); 1027 break; 1028 case IWL_UCODE_TLV_PAGING: 1029 if (tlv_len != sizeof(u32)) 1030 goto invalid_tlv_len; 1031 paging_mem_size = le32_to_cpup((__le32 *)tlv_data); 1032 1033 IWL_DEBUG_FW(drv, 1034 "Paging: paging enabled (size = %u bytes)\n", 1035 paging_mem_size); 1036 1037 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) { 1038 IWL_ERR(drv, 1039 "Paging: driver supports up to %lu bytes for paging image\n", 1040 MAX_PAGING_IMAGE_SIZE); 1041 return -EINVAL; 1042 } 1043 1044 if (paging_mem_size & (FW_PAGING_SIZE - 1)) { 1045 IWL_ERR(drv, 1046 "Paging: image isn't multiple %lu\n", 1047 FW_PAGING_SIZE); 1048 return -EINVAL; 1049 } 1050 1051 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size = 1052 paging_mem_size; 1053 usniffer_img = IWL_UCODE_REGULAR_USNIFFER; 1054 drv->fw.img[usniffer_img].paging_mem_size = 1055 paging_mem_size; 1056 break; 1057 case IWL_UCODE_TLV_FW_GSCAN_CAPA: 1058 /* ignored */ 1059 break; 1060 case IWL_UCODE_TLV_FW_MEM_SEG: { 1061 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem = 1062 (void *)tlv_data; 1063 size_t size; 1064 struct iwl_fw_dbg_mem_seg_tlv *n; 1065 1066 if (tlv_len != (sizeof(*dbg_mem))) 1067 goto invalid_tlv_len; 1068 1069 IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n", 1070 dbg_mem->data_type); 1071 1072 size = sizeof(*pieces->dbg_mem_tlv) * 1073 (pieces->n_mem_tlv + 1); 1074 n = krealloc(pieces->dbg_mem_tlv, size, GFP_KERNEL); 1075 if (!n) 1076 return -ENOMEM; 1077 pieces->dbg_mem_tlv = n; 1078 pieces->dbg_mem_tlv[pieces->n_mem_tlv] = *dbg_mem; 1079 pieces->n_mem_tlv++; 1080 break; 1081 } 1082 case IWL_UCODE_TLV_IML: { 1083 drv->fw.iml_len = tlv_len; 1084 drv->fw.iml = kmemdup(tlv_data, tlv_len, GFP_KERNEL); 1085 if (!drv->fw.iml) 1086 return -ENOMEM; 1087 break; 1088 } 1089 default: 1090 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); 1091 break; 1092 } 1093 } 1094 1095 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) && 1096 usniffer_req && !*usniffer_images) { 1097 IWL_ERR(drv, 1098 "user selected to work with usniffer but usniffer image isn't available in ucode package\n"); 1099 return -EINVAL; 1100 } 1101 1102 if (len) { 1103 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); 1104 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len); 1105 return -EINVAL; 1106 } 1107 1108 return 0; 1109 1110 invalid_tlv_len: 1111 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); 1112 tlv_error: 1113 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); 1114 1115 return -EINVAL; 1116 } 1117 1118 static int iwl_alloc_ucode(struct iwl_drv *drv, 1119 struct iwl_firmware_pieces *pieces, 1120 enum iwl_ucode_type type) 1121 { 1122 int i; 1123 struct fw_desc *sec; 1124 1125 sec = kcalloc(pieces->img[type].sec_counter, sizeof(*sec), GFP_KERNEL); 1126 if (!sec) 1127 return -ENOMEM; 1128 drv->fw.img[type].sec = sec; 1129 drv->fw.img[type].num_sec = pieces->img[type].sec_counter; 1130 1131 for (i = 0; i < pieces->img[type].sec_counter; i++) 1132 if (iwl_alloc_fw_desc(drv, &sec[i], get_sec(pieces, type, i))) 1133 return -ENOMEM; 1134 1135 return 0; 1136 } 1137 1138 static int validate_sec_sizes(struct iwl_drv *drv, 1139 struct iwl_firmware_pieces *pieces, 1140 const struct iwl_cfg *cfg) 1141 { 1142 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %zd\n", 1143 get_sec_size(pieces, IWL_UCODE_REGULAR, 1144 IWL_UCODE_SECTION_INST)); 1145 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %zd\n", 1146 get_sec_size(pieces, IWL_UCODE_REGULAR, 1147 IWL_UCODE_SECTION_DATA)); 1148 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %zd\n", 1149 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); 1150 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %zd\n", 1151 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); 1152 1153 /* Verify that uCode images will fit in card's SRAM. */ 1154 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > 1155 cfg->max_inst_size) { 1156 IWL_ERR(drv, "uCode instr len %zd too large to fit in\n", 1157 get_sec_size(pieces, IWL_UCODE_REGULAR, 1158 IWL_UCODE_SECTION_INST)); 1159 return -1; 1160 } 1161 1162 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > 1163 cfg->max_data_size) { 1164 IWL_ERR(drv, "uCode data len %zd too large to fit in\n", 1165 get_sec_size(pieces, IWL_UCODE_REGULAR, 1166 IWL_UCODE_SECTION_DATA)); 1167 return -1; 1168 } 1169 1170 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > 1171 cfg->max_inst_size) { 1172 IWL_ERR(drv, "uCode init instr len %zd too large to fit in\n", 1173 get_sec_size(pieces, IWL_UCODE_INIT, 1174 IWL_UCODE_SECTION_INST)); 1175 return -1; 1176 } 1177 1178 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > 1179 cfg->max_data_size) { 1180 IWL_ERR(drv, "uCode init data len %zd too large to fit in\n", 1181 get_sec_size(pieces, IWL_UCODE_REGULAR, 1182 IWL_UCODE_SECTION_DATA)); 1183 return -1; 1184 } 1185 return 0; 1186 } 1187 1188 static struct iwl_op_mode * 1189 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op) 1190 { 1191 const struct iwl_op_mode_ops *ops = op->ops; 1192 struct dentry *dbgfs_dir = NULL; 1193 struct iwl_op_mode *op_mode = NULL; 1194 1195 #ifdef CONFIG_IWLWIFI_DEBUGFS 1196 drv->dbgfs_op_mode = debugfs_create_dir(op->name, 1197 drv->dbgfs_drv); 1198 if (!drv->dbgfs_op_mode) { 1199 IWL_ERR(drv, 1200 "failed to create opmode debugfs directory\n"); 1201 return op_mode; 1202 } 1203 dbgfs_dir = drv->dbgfs_op_mode; 1204 #endif 1205 1206 op_mode = ops->start(drv->trans, drv->trans->cfg, &drv->fw, dbgfs_dir); 1207 1208 #ifdef CONFIG_IWLWIFI_DEBUGFS 1209 if (!op_mode) { 1210 debugfs_remove_recursive(drv->dbgfs_op_mode); 1211 drv->dbgfs_op_mode = NULL; 1212 } 1213 #endif 1214 1215 return op_mode; 1216 } 1217 1218 static void _iwl_op_mode_stop(struct iwl_drv *drv) 1219 { 1220 /* op_mode can be NULL if its start failed */ 1221 if (drv->op_mode) { 1222 iwl_op_mode_stop(drv->op_mode); 1223 drv->op_mode = NULL; 1224 1225 #ifdef CONFIG_IWLWIFI_DEBUGFS 1226 debugfs_remove_recursive(drv->dbgfs_op_mode); 1227 drv->dbgfs_op_mode = NULL; 1228 #endif 1229 } 1230 } 1231 1232 /** 1233 * iwl_req_fw_callback - callback when firmware was loaded 1234 * 1235 * If loaded successfully, copies the firmware into buffers 1236 * for the card to fetch (via DMA). 1237 */ 1238 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) 1239 { 1240 struct iwl_drv *drv = context; 1241 struct iwl_fw *fw = &drv->fw; 1242 struct iwl_ucode_header *ucode; 1243 struct iwlwifi_opmode_table *op; 1244 int err; 1245 struct iwl_firmware_pieces *pieces; 1246 const unsigned int api_max = drv->trans->cfg->ucode_api_max; 1247 const unsigned int api_min = drv->trans->cfg->ucode_api_min; 1248 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX]; 1249 u32 api_ver; 1250 int i; 1251 bool load_module = false; 1252 bool usniffer_images = false; 1253 1254 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH; 1255 fw->ucode_capa.standard_phy_calibration_size = 1256 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1257 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS; 1258 /* dump all fw memory areas by default except d3 debug data */ 1259 fw->dbg.dump_mask = 0xfffdffff; 1260 1261 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL); 1262 if (!pieces) 1263 goto out_free_fw; 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 */ 1321 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 1322 if (iwl_alloc_ucode(drv, pieces, i)) 1323 goto out_free_fw; 1324 1325 if (pieces->dbg_dest_tlv_init) { 1326 size_t dbg_dest_size = sizeof(*drv->fw.dbg.dest_tlv) + 1327 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * 1328 drv->fw.dbg.n_dest_reg; 1329 1330 drv->fw.dbg.dest_tlv = kmalloc(dbg_dest_size, GFP_KERNEL); 1331 1332 if (!drv->fw.dbg.dest_tlv) 1333 goto out_free_fw; 1334 1335 if (*pieces->dbg_dest_ver == 0) { 1336 memcpy(drv->fw.dbg.dest_tlv, pieces->dbg_dest_tlv_v1, 1337 dbg_dest_size); 1338 } else { 1339 struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv = 1340 drv->fw.dbg.dest_tlv; 1341 1342 dest_tlv->version = pieces->dbg_dest_tlv->version; 1343 dest_tlv->monitor_mode = 1344 pieces->dbg_dest_tlv->monitor_mode; 1345 dest_tlv->size_power = 1346 pieces->dbg_dest_tlv->size_power; 1347 dest_tlv->wrap_count = 1348 pieces->dbg_dest_tlv->wrap_count; 1349 dest_tlv->write_ptr_reg = 1350 pieces->dbg_dest_tlv->write_ptr_reg; 1351 dest_tlv->base_shift = 1352 pieces->dbg_dest_tlv->base_shift; 1353 memcpy(dest_tlv->reg_ops, 1354 pieces->dbg_dest_tlv->reg_ops, 1355 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * 1356 drv->fw.dbg.n_dest_reg); 1357 1358 /* In version 1 of the destination tlv, which is 1359 * relevant for internal buffer exclusively, 1360 * the base address is part of given with the length 1361 * of the buffer, and the size shift is give instead of 1362 * end shift. We now store these values in base_reg, 1363 * and end shift, and when dumping the data we'll 1364 * manipulate it for extracting both the length and 1365 * base address */ 1366 dest_tlv->base_reg = pieces->dbg_dest_tlv->cfg_reg; 1367 dest_tlv->end_shift = 1368 pieces->dbg_dest_tlv->size_shift; 1369 } 1370 } 1371 1372 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) { 1373 if (pieces->dbg_conf_tlv[i]) { 1374 drv->fw.dbg.conf_tlv[i] = 1375 kmemdup(pieces->dbg_conf_tlv[i], 1376 pieces->dbg_conf_tlv_len[i], 1377 GFP_KERNEL); 1378 if (!pieces->dbg_conf_tlv_len[i]) 1379 goto out_free_fw; 1380 } 1381 } 1382 1383 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz)); 1384 1385 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] = 1386 sizeof(struct iwl_fw_dbg_trigger_missed_bcon); 1387 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0; 1388 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] = 1389 sizeof(struct iwl_fw_dbg_trigger_cmd); 1390 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] = 1391 sizeof(struct iwl_fw_dbg_trigger_mlme); 1392 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] = 1393 sizeof(struct iwl_fw_dbg_trigger_stats); 1394 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] = 1395 sizeof(struct iwl_fw_dbg_trigger_low_rssi); 1396 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] = 1397 sizeof(struct iwl_fw_dbg_trigger_txq_timer); 1398 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] = 1399 sizeof(struct iwl_fw_dbg_trigger_time_event); 1400 trigger_tlv_sz[FW_DBG_TRIGGER_BA] = 1401 sizeof(struct iwl_fw_dbg_trigger_ba); 1402 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] = 1403 sizeof(struct iwl_fw_dbg_trigger_tdls); 1404 1405 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) { 1406 if (pieces->dbg_trigger_tlv[i]) { 1407 /* 1408 * If the trigger isn't long enough, WARN and exit. 1409 * Someone is trying to debug something and he won't 1410 * be able to catch the bug he is trying to chase. 1411 * We'd better be noisy to be sure he knows what's 1412 * going on. 1413 */ 1414 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] < 1415 (trigger_tlv_sz[i] + 1416 sizeof(struct iwl_fw_dbg_trigger_tlv)))) 1417 goto out_free_fw; 1418 drv->fw.dbg.trigger_tlv_len[i] = 1419 pieces->dbg_trigger_tlv_len[i]; 1420 drv->fw.dbg.trigger_tlv[i] = 1421 kmemdup(pieces->dbg_trigger_tlv[i], 1422 drv->fw.dbg.trigger_tlv_len[i], 1423 GFP_KERNEL); 1424 if (!drv->fw.dbg.trigger_tlv[i]) 1425 goto out_free_fw; 1426 } 1427 } 1428 1429 /* Now that we can no longer fail, copy information */ 1430 1431 drv->fw.dbg.mem_tlv = pieces->dbg_mem_tlv; 1432 pieces->dbg_mem_tlv = NULL; 1433 drv->fw.dbg.n_mem_tlv = pieces->n_mem_tlv; 1434 1435 /* 1436 * The (size - 16) / 12 formula is based on the information recorded 1437 * for each event, which is of mode 1 (including timestamp) for all 1438 * new microcodes that include this information. 1439 */ 1440 fw->init_evtlog_ptr = pieces->init_evtlog_ptr; 1441 if (pieces->init_evtlog_size) 1442 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12; 1443 else 1444 fw->init_evtlog_size = 1445 drv->trans->cfg->base_params->max_event_log_size; 1446 fw->init_errlog_ptr = pieces->init_errlog_ptr; 1447 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr; 1448 if (pieces->inst_evtlog_size) 1449 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12; 1450 else 1451 fw->inst_evtlog_size = 1452 drv->trans->cfg->base_params->max_event_log_size; 1453 fw->inst_errlog_ptr = pieces->inst_errlog_ptr; 1454 1455 /* 1456 * figure out the offset of chain noise reset and gain commands 1457 * base on the size of standard phy calibration commands table size 1458 */ 1459 if (fw->ucode_capa.standard_phy_calibration_size > 1460 IWL_MAX_PHY_CALIBRATE_TBL_SIZE) 1461 fw->ucode_capa.standard_phy_calibration_size = 1462 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1463 1464 /* We have our copies now, allow OS release its copies */ 1465 release_firmware(ucode_raw); 1466 1467 mutex_lock(&iwlwifi_opmode_table_mtx); 1468 switch (fw->type) { 1469 case IWL_FW_DVM: 1470 op = &iwlwifi_opmode_table[DVM_OP_MODE]; 1471 break; 1472 default: 1473 WARN(1, "Invalid fw type %d\n", fw->type); 1474 /* fall through */ 1475 case IWL_FW_MVM: 1476 op = &iwlwifi_opmode_table[MVM_OP_MODE]; 1477 break; 1478 } 1479 1480 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n", 1481 drv->fw.fw_version, op->name); 1482 1483 /* add this device to the list of devices using this op_mode */ 1484 list_add_tail(&drv->list, &op->drv); 1485 1486 if (op->ops) { 1487 drv->op_mode = _iwl_op_mode_start(drv, op); 1488 1489 if (!drv->op_mode) { 1490 mutex_unlock(&iwlwifi_opmode_table_mtx); 1491 goto out_unbind; 1492 } 1493 } else { 1494 load_module = true; 1495 } 1496 mutex_unlock(&iwlwifi_opmode_table_mtx); 1497 1498 /* 1499 * Complete the firmware request last so that 1500 * a driver unbind (stop) doesn't run while we 1501 * are doing the start() above. 1502 */ 1503 complete(&drv->request_firmware_complete); 1504 1505 /* 1506 * Load the module last so we don't block anything 1507 * else from proceeding if the module fails to load 1508 * or hangs loading. 1509 */ 1510 if (load_module) { 1511 request_module("%s", op->name); 1512 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR 1513 if (err) 1514 IWL_ERR(drv, 1515 "failed to load module %s (error %d), is dynamic loading enabled?\n", 1516 op->name, err); 1517 #endif 1518 } 1519 goto free; 1520 1521 try_again: 1522 /* try next, if any */ 1523 release_firmware(ucode_raw); 1524 if (iwl_request_firmware(drv, false)) 1525 goto out_unbind; 1526 goto free; 1527 1528 out_free_fw: 1529 iwl_dealloc_ucode(drv); 1530 release_firmware(ucode_raw); 1531 out_unbind: 1532 complete(&drv->request_firmware_complete); 1533 device_release_driver(drv->trans->dev); 1534 free: 1535 if (pieces) { 1536 for (i = 0; i < ARRAY_SIZE(pieces->img); i++) 1537 kfree(pieces->img[i].sec); 1538 kfree(pieces->dbg_mem_tlv); 1539 kfree(pieces); 1540 } 1541 } 1542 1543 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans) 1544 { 1545 struct iwl_drv *drv; 1546 int ret; 1547 1548 drv = kzalloc(sizeof(*drv), GFP_KERNEL); 1549 if (!drv) { 1550 ret = -ENOMEM; 1551 goto err; 1552 } 1553 1554 drv->trans = trans; 1555 drv->dev = trans->dev; 1556 1557 init_completion(&drv->request_firmware_complete); 1558 INIT_LIST_HEAD(&drv->list); 1559 1560 #ifdef CONFIG_IWLWIFI_DEBUGFS 1561 /* Create the device debugfs entries. */ 1562 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev), 1563 iwl_dbgfs_root); 1564 1565 if (!drv->dbgfs_drv) { 1566 IWL_ERR(drv, "failed to create debugfs directory\n"); 1567 ret = -ENOMEM; 1568 goto err_free_drv; 1569 } 1570 1571 /* Create transport layer debugfs dir */ 1572 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv); 1573 1574 if (!drv->trans->dbgfs_dir) { 1575 IWL_ERR(drv, "failed to create transport debugfs directory\n"); 1576 ret = -ENOMEM; 1577 goto err_free_dbgfs; 1578 } 1579 #endif 1580 1581 ret = iwl_request_firmware(drv, true); 1582 if (ret) { 1583 IWL_ERR(trans, "Couldn't request the fw\n"); 1584 goto err_fw; 1585 } 1586 1587 return drv; 1588 1589 err_fw: 1590 #ifdef CONFIG_IWLWIFI_DEBUGFS 1591 err_free_dbgfs: 1592 debugfs_remove_recursive(drv->dbgfs_drv); 1593 err_free_drv: 1594 #endif 1595 kfree(drv); 1596 err: 1597 return ERR_PTR(ret); 1598 } 1599 1600 void iwl_drv_stop(struct iwl_drv *drv) 1601 { 1602 wait_for_completion(&drv->request_firmware_complete); 1603 1604 _iwl_op_mode_stop(drv); 1605 1606 iwl_dealloc_ucode(drv); 1607 1608 mutex_lock(&iwlwifi_opmode_table_mtx); 1609 /* 1610 * List is empty (this item wasn't added) 1611 * when firmware loading failed -- in that 1612 * case we can't remove it from any list. 1613 */ 1614 if (!list_empty(&drv->list)) 1615 list_del(&drv->list); 1616 mutex_unlock(&iwlwifi_opmode_table_mtx); 1617 1618 #ifdef CONFIG_IWLWIFI_DEBUGFS 1619 debugfs_remove_recursive(drv->dbgfs_drv); 1620 #endif 1621 1622 kfree(drv); 1623 } 1624 1625 1626 /* shared module parameters */ 1627 struct iwl_mod_params iwlwifi_mod_params = { 1628 .fw_restart = true, 1629 .bt_coex_active = true, 1630 .power_level = IWL_POWER_INDEX_1, 1631 .d0i3_disable = true, 1632 .d0i3_timeout = 1000, 1633 .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT, 1634 /* the rest are 0 by default */ 1635 }; 1636 IWL_EXPORT_SYMBOL(iwlwifi_mod_params); 1637 1638 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops) 1639 { 1640 int i; 1641 struct iwl_drv *drv; 1642 struct iwlwifi_opmode_table *op; 1643 1644 mutex_lock(&iwlwifi_opmode_table_mtx); 1645 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1646 op = &iwlwifi_opmode_table[i]; 1647 if (strcmp(op->name, name)) 1648 continue; 1649 op->ops = ops; 1650 /* TODO: need to handle exceptional case */ 1651 list_for_each_entry(drv, &op->drv, list) 1652 drv->op_mode = _iwl_op_mode_start(drv, op); 1653 1654 mutex_unlock(&iwlwifi_opmode_table_mtx); 1655 return 0; 1656 } 1657 mutex_unlock(&iwlwifi_opmode_table_mtx); 1658 return -EIO; 1659 } 1660 IWL_EXPORT_SYMBOL(iwl_opmode_register); 1661 1662 void iwl_opmode_deregister(const char *name) 1663 { 1664 int i; 1665 struct iwl_drv *drv; 1666 1667 mutex_lock(&iwlwifi_opmode_table_mtx); 1668 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1669 if (strcmp(iwlwifi_opmode_table[i].name, name)) 1670 continue; 1671 iwlwifi_opmode_table[i].ops = NULL; 1672 1673 /* call the stop routine for all devices */ 1674 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list) 1675 _iwl_op_mode_stop(drv); 1676 1677 mutex_unlock(&iwlwifi_opmode_table_mtx); 1678 return; 1679 } 1680 mutex_unlock(&iwlwifi_opmode_table_mtx); 1681 } 1682 IWL_EXPORT_SYMBOL(iwl_opmode_deregister); 1683 1684 static int __init iwl_drv_init(void) 1685 { 1686 int i; 1687 1688 mutex_init(&iwlwifi_opmode_table_mtx); 1689 1690 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) 1691 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv); 1692 1693 pr_info(DRV_DESCRIPTION "\n"); 1694 pr_info(DRV_COPYRIGHT "\n"); 1695 1696 #ifdef CONFIG_IWLWIFI_DEBUGFS 1697 /* Create the root of iwlwifi debugfs subsystem. */ 1698 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL); 1699 1700 if (!iwl_dbgfs_root) 1701 return -EFAULT; 1702 #endif 1703 1704 return iwl_pci_register_driver(); 1705 } 1706 module_init(iwl_drv_init); 1707 1708 static void __exit iwl_drv_exit(void) 1709 { 1710 iwl_pci_unregister_driver(); 1711 1712 #ifdef CONFIG_IWLWIFI_DEBUGFS 1713 debugfs_remove_recursive(iwl_dbgfs_root); 1714 #endif 1715 } 1716 module_exit(iwl_drv_exit); 1717 1718 #ifdef CONFIG_IWLWIFI_DEBUG 1719 module_param_named(debug, iwlwifi_mod_params.debug_level, uint, 0644); 1720 MODULE_PARM_DESC(debug, "debug output mask"); 1721 #endif 1722 1723 module_param_named(swcrypto, iwlwifi_mod_params.swcrypto, int, 0444); 1724 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); 1725 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, 0444); 1726 MODULE_PARM_DESC(11n_disable, 1727 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX"); 1728 module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, int, 0444); 1729 MODULE_PARM_DESC(amsdu_size, 1730 "amsdu size 0: 12K for multi Rx queue devices, 2K for 22560 devices, " 1731 "4K for other devices 1:4K 2:8K 3:12K 4: 2K (default 0)"); 1732 module_param_named(fw_restart, iwlwifi_mod_params.fw_restart, bool, 0444); 1733 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)"); 1734 1735 module_param_named(antenna_coupling, iwlwifi_mod_params.antenna_coupling, 1736 int, 0444); 1737 MODULE_PARM_DESC(antenna_coupling, 1738 "specify antenna coupling in dB (default: 0 dB)"); 1739 1740 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, 0444); 1741 MODULE_PARM_DESC(nvm_file, "NVM file name"); 1742 1743 module_param_named(d0i3_disable, iwlwifi_mod_params.d0i3_disable, bool, 0444); 1744 MODULE_PARM_DESC(d0i3_disable, "disable d0i3 functionality (default: Y)"); 1745 1746 module_param_named(lar_disable, iwlwifi_mod_params.lar_disable, bool, 0444); 1747 MODULE_PARM_DESC(lar_disable, "disable LAR functionality (default: N)"); 1748 1749 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, uint, 0644); 1750 MODULE_PARM_DESC(uapsd_disable, 1751 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)"); 1752 1753 /* 1754 * set bt_coex_active to true, uCode will do kill/defer 1755 * every time the priority line is asserted (BT is sending signals on the 1756 * priority line in the PCIx). 1757 * set bt_coex_active to false, uCode will ignore the BT activity and 1758 * perform the normal operation 1759 * 1760 * User might experience transmit issue on some platform due to WiFi/BT 1761 * co-exist problem. The possible behaviors are: 1762 * Able to scan and finding all the available AP 1763 * Not able to associate with any AP 1764 * On those platforms, WiFi communication can be restored by set 1765 * "bt_coex_active" module parameter to "false" 1766 * 1767 * default: bt_coex_active = true (BT_COEX_ENABLE) 1768 */ 1769 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active, 1770 bool, 0444); 1771 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); 1772 1773 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, 0444); 1774 MODULE_PARM_DESC(led_mode, "0=system default, " 1775 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); 1776 1777 module_param_named(power_save, iwlwifi_mod_params.power_save, bool, 0444); 1778 MODULE_PARM_DESC(power_save, 1779 "enable WiFi power management (default: disable)"); 1780 1781 module_param_named(power_level, iwlwifi_mod_params.power_level, int, 0444); 1782 MODULE_PARM_DESC(power_level, 1783 "default power save level (range from 1 - 5, default: 1)"); 1784 1785 module_param_named(fw_monitor, iwlwifi_mod_params.fw_monitor, bool, 0444); 1786 MODULE_PARM_DESC(fw_monitor, 1787 "firmware monitor - to debug FW (default: false - needs lots of memory)"); 1788 1789 module_param_named(d0i3_timeout, iwlwifi_mod_params.d0i3_timeout, uint, 0444); 1790 MODULE_PARM_DESC(d0i3_timeout, "Timeout to D0i3 entry when idle (ms)"); 1791 1792 module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, 0444); 1793 MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)"); 1794 1795 module_param_named(remove_when_gone, 1796 iwlwifi_mod_params.remove_when_gone, bool, 1797 0444); 1798 MODULE_PARM_DESC(remove_when_gone, 1799 "Remove dev from PCIe bus if it is deemed inaccessible (default: false)"); 1800 1801 module_param_named(disable_11ax, iwlwifi_mod_params.disable_11ax, bool, 1802 S_IRUGO); 1803 MODULE_PARM_DESC(disable_11ax, "Disable HE capabilities (default: false)"); 1804