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 * Copyright(c) 2018 - 2019 Intel Corporation 12 * 13 * This program is free software; you can redistribute it and/or modify 14 * it under the terms of version 2 of the GNU General Public License as 15 * published by the Free Software Foundation. 16 * 17 * This program is distributed in the hope that it will be useful, but 18 * WITHOUT ANY WARRANTY; without even the implied warranty of 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 20 * General Public License for more details. 21 * 22 * The full GNU General Public License is included in this distribution 23 * in the file called COPYING. 24 * 25 * Contact Information: 26 * Intel Linux Wireless <linuxwifi@intel.com> 27 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 28 * 29 * BSD LICENSE 30 * 31 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. 32 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 33 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 34 * Copyright(c) 2018 - 2019 Intel Corporation 35 * All rights reserved. 36 * 37 * Redistribution and use in source and binary forms, with or without 38 * modification, are permitted provided that the following conditions 39 * are met: 40 * 41 * * Redistributions of source code must retain the above copyright 42 * notice, this list of conditions and the following disclaimer. 43 * * Redistributions in binary form must reproduce the above copyright 44 * notice, this list of conditions and the following disclaimer in 45 * the documentation and/or other materials provided with the 46 * distribution. 47 * * Neither the name Intel Corporation nor the names of its 48 * contributors may be used to endorse or promote products derived 49 * from this software without specific prior written permission. 50 * 51 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 52 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 53 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 54 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 55 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 56 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 57 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 58 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 59 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 60 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 61 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 62 * 63 *****************************************************************************/ 64 #include <linux/completion.h> 65 #include <linux/dma-mapping.h> 66 #include <linux/firmware.h> 67 #include <linux/module.h> 68 #include <linux/vmalloc.h> 69 70 #include "iwl-drv.h" 71 #include "iwl-csr.h" 72 #include "iwl-debug.h" 73 #include "iwl-trans.h" 74 #include "iwl-op-mode.h" 75 #include "iwl-agn-hw.h" 76 #include "fw/img.h" 77 #include "iwl-dbg-tlv.h" 78 #include "iwl-config.h" 79 #include "iwl-modparams.h" 80 #include "fw/api/alive.h" 81 82 /****************************************************************************** 83 * 84 * module boiler plate 85 * 86 ******************************************************************************/ 87 88 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux" 89 MODULE_DESCRIPTION(DRV_DESCRIPTION); 90 MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); 91 MODULE_LICENSE("GPL"); 92 93 #ifdef CONFIG_IWLWIFI_DEBUGFS 94 static struct dentry *iwl_dbgfs_root; 95 #endif 96 97 /** 98 * struct iwl_drv - drv common data 99 * @list: list of drv structures using this opmode 100 * @fw: the iwl_fw structure 101 * @op_mode: the running op_mode 102 * @trans: transport layer 103 * @dev: for debug prints only 104 * @fw_index: firmware revision to try loading 105 * @firmware_name: composite filename of ucode file to load 106 * @request_firmware_complete: the firmware has been obtained from user space 107 */ 108 struct iwl_drv { 109 struct list_head list; 110 struct iwl_fw fw; 111 112 struct iwl_op_mode *op_mode; 113 struct iwl_trans *trans; 114 struct device *dev; 115 116 int fw_index; /* firmware we're trying to load */ 117 char firmware_name[64]; /* name of firmware file to load */ 118 119 struct completion request_firmware_complete; 120 121 #ifdef CONFIG_IWLWIFI_DEBUGFS 122 struct dentry *dbgfs_drv; 123 struct dentry *dbgfs_trans; 124 struct dentry *dbgfs_op_mode; 125 #endif 126 }; 127 128 enum { 129 DVM_OP_MODE, 130 MVM_OP_MODE, 131 }; 132 133 /* Protects the table contents, i.e. the ops pointer & drv list */ 134 static struct mutex iwlwifi_opmode_table_mtx; 135 static struct iwlwifi_opmode_table { 136 const char *name; /* name: iwldvm, iwlmvm, etc */ 137 const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */ 138 struct list_head drv; /* list of devices using this op_mode */ 139 } iwlwifi_opmode_table[] = { /* ops set when driver is initialized */ 140 [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL }, 141 [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL }, 142 }; 143 144 #define IWL_DEFAULT_SCAN_CHANNELS 40 145 146 /* 147 * struct fw_sec: Just for the image parsing process. 148 * For the fw storage we are using struct fw_desc. 149 */ 150 struct fw_sec { 151 const void *data; /* the sec data */ 152 size_t size; /* section size */ 153 u32 offset; /* offset of writing in the device */ 154 }; 155 156 static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc) 157 { 158 vfree(desc->data); 159 desc->data = NULL; 160 desc->len = 0; 161 } 162 163 static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img) 164 { 165 int i; 166 for (i = 0; i < img->num_sec; i++) 167 iwl_free_fw_desc(drv, &img->sec[i]); 168 kfree(img->sec); 169 } 170 171 static void iwl_dealloc_ucode(struct iwl_drv *drv) 172 { 173 int i; 174 175 kfree(drv->fw.dbg.dest_tlv); 176 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) 177 kfree(drv->fw.dbg.conf_tlv[i]); 178 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) 179 kfree(drv->fw.dbg.trigger_tlv[i]); 180 kfree(drv->fw.dbg.mem_tlv); 181 kfree(drv->fw.iml); 182 183 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 184 iwl_free_fw_img(drv, drv->fw.img + i); 185 } 186 187 static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc, 188 struct fw_sec *sec) 189 { 190 void *data; 191 192 desc->data = NULL; 193 194 if (!sec || !sec->size) 195 return -EINVAL; 196 197 data = vmalloc(sec->size); 198 if (!data) 199 return -ENOMEM; 200 201 desc->len = sec->size; 202 desc->offset = sec->offset; 203 memcpy(data, sec->data, desc->len); 204 desc->data = data; 205 206 return 0; 207 } 208 209 static void iwl_req_fw_callback(const struct firmware *ucode_raw, 210 void *context); 211 212 static int iwl_request_firmware(struct iwl_drv *drv, bool first) 213 { 214 const struct iwl_cfg *cfg = drv->trans->cfg; 215 char tag[8]; 216 217 if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_9000 && 218 (CSR_HW_REV_STEP(drv->trans->hw_rev) != SILICON_B_STEP && 219 CSR_HW_REV_STEP(drv->trans->hw_rev) != SILICON_C_STEP)) { 220 IWL_ERR(drv, 221 "Only HW steps B and C are currently supported (0x%0x)\n", 222 drv->trans->hw_rev); 223 return -EINVAL; 224 } 225 226 if (first) { 227 drv->fw_index = cfg->ucode_api_max; 228 sprintf(tag, "%d", drv->fw_index); 229 } else { 230 drv->fw_index--; 231 sprintf(tag, "%d", drv->fw_index); 232 } 233 234 if (drv->fw_index < cfg->ucode_api_min) { 235 IWL_ERR(drv, "no suitable firmware found!\n"); 236 237 if (cfg->ucode_api_min == cfg->ucode_api_max) { 238 IWL_ERR(drv, "%s%d is required\n", cfg->fw_name_pre, 239 cfg->ucode_api_max); 240 } else { 241 IWL_ERR(drv, "minimum version required: %s%d\n", 242 cfg->fw_name_pre, cfg->ucode_api_min); 243 IWL_ERR(drv, "maximum version supported: %s%d\n", 244 cfg->fw_name_pre, cfg->ucode_api_max); 245 } 246 247 IWL_ERR(drv, 248 "check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git\n"); 249 return -ENOENT; 250 } 251 252 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode", 253 cfg->fw_name_pre, tag); 254 255 IWL_DEBUG_INFO(drv, "attempting to load firmware '%s'\n", 256 drv->firmware_name); 257 258 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name, 259 drv->trans->dev, 260 GFP_KERNEL, drv, iwl_req_fw_callback); 261 } 262 263 struct fw_img_parsing { 264 struct fw_sec *sec; 265 int sec_counter; 266 }; 267 268 /* 269 * struct fw_sec_parsing: to extract fw section and it's offset from tlv 270 */ 271 struct fw_sec_parsing { 272 __le32 offset; 273 const u8 data[]; 274 } __packed; 275 276 /** 277 * struct iwl_tlv_calib_data - parse the default calib data from TLV 278 * 279 * @ucode_type: the uCode to which the following default calib relates. 280 * @calib: default calibrations. 281 */ 282 struct iwl_tlv_calib_data { 283 __le32 ucode_type; 284 struct iwl_tlv_calib_ctrl calib; 285 } __packed; 286 287 struct iwl_firmware_pieces { 288 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX]; 289 290 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; 291 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; 292 293 /* FW debug data parsed for driver usage */ 294 bool dbg_dest_tlv_init; 295 u8 *dbg_dest_ver; 296 union { 297 struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv; 298 struct iwl_fw_dbg_dest_tlv_v1 *dbg_dest_tlv_v1; 299 }; 300 struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX]; 301 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX]; 302 struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX]; 303 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX]; 304 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv; 305 size_t n_mem_tlv; 306 }; 307 308 /* 309 * These functions are just to extract uCode section data from the pieces 310 * structure. 311 */ 312 static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces, 313 enum iwl_ucode_type type, 314 int sec) 315 { 316 return &pieces->img[type].sec[sec]; 317 } 318 319 static void alloc_sec_data(struct iwl_firmware_pieces *pieces, 320 enum iwl_ucode_type type, 321 int sec) 322 { 323 struct fw_img_parsing *img = &pieces->img[type]; 324 struct fw_sec *sec_memory; 325 int size = sec + 1; 326 size_t alloc_size = sizeof(*img->sec) * size; 327 328 if (img->sec && img->sec_counter >= size) 329 return; 330 331 sec_memory = krealloc(img->sec, alloc_size, GFP_KERNEL); 332 if (!sec_memory) 333 return; 334 335 img->sec = sec_memory; 336 img->sec_counter = size; 337 } 338 339 static void set_sec_data(struct iwl_firmware_pieces *pieces, 340 enum iwl_ucode_type type, 341 int sec, 342 const void *data) 343 { 344 alloc_sec_data(pieces, type, sec); 345 346 pieces->img[type].sec[sec].data = data; 347 } 348 349 static void set_sec_size(struct iwl_firmware_pieces *pieces, 350 enum iwl_ucode_type type, 351 int sec, 352 size_t size) 353 { 354 alloc_sec_data(pieces, type, sec); 355 356 pieces->img[type].sec[sec].size = size; 357 } 358 359 static size_t get_sec_size(struct iwl_firmware_pieces *pieces, 360 enum iwl_ucode_type type, 361 int sec) 362 { 363 return pieces->img[type].sec[sec].size; 364 } 365 366 static void set_sec_offset(struct iwl_firmware_pieces *pieces, 367 enum iwl_ucode_type type, 368 int sec, 369 u32 offset) 370 { 371 alloc_sec_data(pieces, type, sec); 372 373 pieces->img[type].sec[sec].offset = offset; 374 } 375 376 static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len) 377 { 378 int i, j; 379 struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data; 380 struct iwl_fw_cipher_scheme *fwcs; 381 382 if (len < sizeof(*l) || 383 len < sizeof(l->size) + l->size * sizeof(l->cs[0])) 384 return -EINVAL; 385 386 for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) { 387 fwcs = &l->cs[j]; 388 389 /* we skip schemes with zero cipher suite selector */ 390 if (!fwcs->cipher) 391 continue; 392 393 fw->cs[j++] = *fwcs; 394 } 395 396 return 0; 397 } 398 399 /* 400 * Gets uCode section from tlv. 401 */ 402 static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces, 403 const void *data, enum iwl_ucode_type type, 404 int size) 405 { 406 struct fw_img_parsing *img; 407 struct fw_sec *sec; 408 struct fw_sec_parsing *sec_parse; 409 size_t alloc_size; 410 411 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX)) 412 return -1; 413 414 sec_parse = (struct fw_sec_parsing *)data; 415 416 img = &pieces->img[type]; 417 418 alloc_size = sizeof(*img->sec) * (img->sec_counter + 1); 419 sec = krealloc(img->sec, alloc_size, GFP_KERNEL); 420 if (!sec) 421 return -ENOMEM; 422 img->sec = sec; 423 424 sec = &img->sec[img->sec_counter]; 425 426 sec->offset = le32_to_cpu(sec_parse->offset); 427 sec->data = sec_parse->data; 428 sec->size = size - sizeof(sec_parse->offset); 429 430 ++img->sec_counter; 431 432 return 0; 433 } 434 435 static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data) 436 { 437 struct iwl_tlv_calib_data *def_calib = 438 (struct iwl_tlv_calib_data *)data; 439 u32 ucode_type = le32_to_cpu(def_calib->ucode_type); 440 if (ucode_type >= IWL_UCODE_TYPE_MAX) { 441 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n", 442 ucode_type); 443 return -EINVAL; 444 } 445 drv->fw.default_calib[ucode_type].flow_trigger = 446 def_calib->calib.flow_trigger; 447 drv->fw.default_calib[ucode_type].event_trigger = 448 def_calib->calib.event_trigger; 449 450 return 0; 451 } 452 453 static void iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data, 454 struct iwl_ucode_capabilities *capa) 455 { 456 const struct iwl_ucode_api *ucode_api = (void *)data; 457 u32 api_index = le32_to_cpu(ucode_api->api_index); 458 u32 api_flags = le32_to_cpu(ucode_api->api_flags); 459 int i; 460 461 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) { 462 IWL_WARN(drv, 463 "api flags index %d larger than supported by driver\n", 464 api_index); 465 return; 466 } 467 468 for (i = 0; i < 32; i++) { 469 if (api_flags & BIT(i)) 470 __set_bit(i + 32 * api_index, capa->_api); 471 } 472 } 473 474 static void iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data, 475 struct iwl_ucode_capabilities *capa) 476 { 477 const struct iwl_ucode_capa *ucode_capa = (void *)data; 478 u32 api_index = le32_to_cpu(ucode_capa->api_index); 479 u32 api_flags = le32_to_cpu(ucode_capa->api_capa); 480 int i; 481 482 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) { 483 IWL_WARN(drv, 484 "capa flags index %d larger than supported by driver\n", 485 api_index); 486 return; 487 } 488 489 for (i = 0; i < 32; i++) { 490 if (api_flags & BIT(i)) 491 __set_bit(i + 32 * api_index, capa->_capa); 492 } 493 } 494 495 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv, 496 const struct firmware *ucode_raw, 497 struct iwl_firmware_pieces *pieces) 498 { 499 struct iwl_ucode_header *ucode = (void *)ucode_raw->data; 500 u32 api_ver, hdr_size, build; 501 char buildstr[25]; 502 const u8 *src; 503 504 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 505 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 506 507 switch (api_ver) { 508 default: 509 hdr_size = 28; 510 if (ucode_raw->size < hdr_size) { 511 IWL_ERR(drv, "File size too small!\n"); 512 return -EINVAL; 513 } 514 build = le32_to_cpu(ucode->u.v2.build); 515 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 516 le32_to_cpu(ucode->u.v2.inst_size)); 517 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 518 le32_to_cpu(ucode->u.v2.data_size)); 519 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 520 le32_to_cpu(ucode->u.v2.init_size)); 521 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 522 le32_to_cpu(ucode->u.v2.init_data_size)); 523 src = ucode->u.v2.data; 524 break; 525 case 0: 526 case 1: 527 case 2: 528 hdr_size = 24; 529 if (ucode_raw->size < hdr_size) { 530 IWL_ERR(drv, "File size too small!\n"); 531 return -EINVAL; 532 } 533 build = 0; 534 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 535 le32_to_cpu(ucode->u.v1.inst_size)); 536 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 537 le32_to_cpu(ucode->u.v1.data_size)); 538 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 539 le32_to_cpu(ucode->u.v1.init_size)); 540 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 541 le32_to_cpu(ucode->u.v1.init_data_size)); 542 src = ucode->u.v1.data; 543 break; 544 } 545 546 if (build) 547 sprintf(buildstr, " build %u", build); 548 else 549 buildstr[0] = '\0'; 550 551 snprintf(drv->fw.fw_version, 552 sizeof(drv->fw.fw_version), 553 "%u.%u.%u.%u%s", 554 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 555 IWL_UCODE_MINOR(drv->fw.ucode_ver), 556 IWL_UCODE_API(drv->fw.ucode_ver), 557 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 558 buildstr); 559 560 /* Verify size of file vs. image size info in file's header */ 561 562 if (ucode_raw->size != hdr_size + 563 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) + 564 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) + 565 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) + 566 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { 567 568 IWL_ERR(drv, 569 "uCode file size %d does not match expected size\n", 570 (int)ucode_raw->size); 571 return -EINVAL; 572 } 573 574 575 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src); 576 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST); 577 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 578 IWLAGN_RTC_INST_LOWER_BOUND); 579 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src); 580 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA); 581 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 582 IWLAGN_RTC_DATA_LOWER_BOUND); 583 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src); 584 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST); 585 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 586 IWLAGN_RTC_INST_LOWER_BOUND); 587 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src); 588 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA); 589 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 590 IWLAGN_RTC_DATA_LOWER_BOUND); 591 return 0; 592 } 593 594 #define FW_ADDR_CACHE_CONTROL 0xC0000000 595 596 static int iwl_parse_tlv_firmware(struct iwl_drv *drv, 597 const struct firmware *ucode_raw, 598 struct iwl_firmware_pieces *pieces, 599 struct iwl_ucode_capabilities *capa, 600 bool *usniffer_images) 601 { 602 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; 603 struct iwl_ucode_tlv *tlv; 604 size_t len = ucode_raw->size; 605 const u8 *data; 606 u32 tlv_len; 607 u32 usniffer_img; 608 enum iwl_ucode_tlv_type tlv_type; 609 const u8 *tlv_data; 610 char buildstr[25]; 611 u32 build, paging_mem_size; 612 int num_of_cpus; 613 bool usniffer_req = false; 614 615 if (len < sizeof(*ucode)) { 616 IWL_ERR(drv, "uCode has invalid length: %zd\n", len); 617 return -EINVAL; 618 } 619 620 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { 621 IWL_ERR(drv, "invalid uCode magic: 0X%x\n", 622 le32_to_cpu(ucode->magic)); 623 return -EINVAL; 624 } 625 626 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 627 memcpy(drv->fw.human_readable, ucode->human_readable, 628 sizeof(drv->fw.human_readable)); 629 build = le32_to_cpu(ucode->build); 630 631 if (build) 632 sprintf(buildstr, " build %u", build); 633 else 634 buildstr[0] = '\0'; 635 636 snprintf(drv->fw.fw_version, 637 sizeof(drv->fw.fw_version), 638 "%u.%u.%u.%u%s", 639 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 640 IWL_UCODE_MINOR(drv->fw.ucode_ver), 641 IWL_UCODE_API(drv->fw.ucode_ver), 642 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 643 buildstr); 644 645 data = ucode->data; 646 647 len -= sizeof(*ucode); 648 649 if (iwlwifi_mod_params.enable_ini) 650 iwl_alloc_dbg_tlv(drv->trans, len, data, false); 651 652 while (len >= sizeof(*tlv)) { 653 len -= sizeof(*tlv); 654 tlv = (void *)data; 655 656 tlv_len = le32_to_cpu(tlv->length); 657 tlv_type = le32_to_cpu(tlv->type); 658 tlv_data = tlv->data; 659 660 if (len < tlv_len) { 661 IWL_ERR(drv, "invalid TLV len: %zd/%u\n", 662 len, tlv_len); 663 return -EINVAL; 664 } 665 len -= ALIGN(tlv_len, 4); 666 data += sizeof(*tlv) + ALIGN(tlv_len, 4); 667 668 switch (tlv_type) { 669 case IWL_UCODE_TLV_INST: 670 set_sec_data(pieces, IWL_UCODE_REGULAR, 671 IWL_UCODE_SECTION_INST, tlv_data); 672 set_sec_size(pieces, IWL_UCODE_REGULAR, 673 IWL_UCODE_SECTION_INST, tlv_len); 674 set_sec_offset(pieces, IWL_UCODE_REGULAR, 675 IWL_UCODE_SECTION_INST, 676 IWLAGN_RTC_INST_LOWER_BOUND); 677 break; 678 case IWL_UCODE_TLV_DATA: 679 set_sec_data(pieces, IWL_UCODE_REGULAR, 680 IWL_UCODE_SECTION_DATA, tlv_data); 681 set_sec_size(pieces, IWL_UCODE_REGULAR, 682 IWL_UCODE_SECTION_DATA, tlv_len); 683 set_sec_offset(pieces, IWL_UCODE_REGULAR, 684 IWL_UCODE_SECTION_DATA, 685 IWLAGN_RTC_DATA_LOWER_BOUND); 686 break; 687 case IWL_UCODE_TLV_INIT: 688 set_sec_data(pieces, IWL_UCODE_INIT, 689 IWL_UCODE_SECTION_INST, tlv_data); 690 set_sec_size(pieces, IWL_UCODE_INIT, 691 IWL_UCODE_SECTION_INST, tlv_len); 692 set_sec_offset(pieces, IWL_UCODE_INIT, 693 IWL_UCODE_SECTION_INST, 694 IWLAGN_RTC_INST_LOWER_BOUND); 695 break; 696 case IWL_UCODE_TLV_INIT_DATA: 697 set_sec_data(pieces, IWL_UCODE_INIT, 698 IWL_UCODE_SECTION_DATA, tlv_data); 699 set_sec_size(pieces, IWL_UCODE_INIT, 700 IWL_UCODE_SECTION_DATA, tlv_len); 701 set_sec_offset(pieces, IWL_UCODE_INIT, 702 IWL_UCODE_SECTION_DATA, 703 IWLAGN_RTC_DATA_LOWER_BOUND); 704 break; 705 case IWL_UCODE_TLV_BOOT: 706 IWL_ERR(drv, "Found unexpected BOOT ucode\n"); 707 break; 708 case IWL_UCODE_TLV_PROBE_MAX_LEN: 709 if (tlv_len != sizeof(u32)) 710 goto invalid_tlv_len; 711 capa->max_probe_length = 712 le32_to_cpup((__le32 *)tlv_data); 713 break; 714 case IWL_UCODE_TLV_PAN: 715 if (tlv_len) 716 goto invalid_tlv_len; 717 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; 718 break; 719 case IWL_UCODE_TLV_FLAGS: 720 /* must be at least one u32 */ 721 if (tlv_len < sizeof(u32)) 722 goto invalid_tlv_len; 723 /* and a proper number of u32s */ 724 if (tlv_len % sizeof(u32)) 725 goto invalid_tlv_len; 726 /* 727 * This driver only reads the first u32 as 728 * right now no more features are defined, 729 * if that changes then either the driver 730 * will not work with the new firmware, or 731 * it'll not take advantage of new features. 732 */ 733 capa->flags = le32_to_cpup((__le32 *)tlv_data); 734 break; 735 case IWL_UCODE_TLV_API_CHANGES_SET: 736 if (tlv_len != sizeof(struct iwl_ucode_api)) 737 goto invalid_tlv_len; 738 iwl_set_ucode_api_flags(drv, tlv_data, capa); 739 break; 740 case IWL_UCODE_TLV_ENABLED_CAPABILITIES: 741 if (tlv_len != sizeof(struct iwl_ucode_capa)) 742 goto invalid_tlv_len; 743 iwl_set_ucode_capabilities(drv, tlv_data, capa); 744 break; 745 case IWL_UCODE_TLV_INIT_EVTLOG_PTR: 746 if (tlv_len != sizeof(u32)) 747 goto invalid_tlv_len; 748 pieces->init_evtlog_ptr = 749 le32_to_cpup((__le32 *)tlv_data); 750 break; 751 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: 752 if (tlv_len != sizeof(u32)) 753 goto invalid_tlv_len; 754 pieces->init_evtlog_size = 755 le32_to_cpup((__le32 *)tlv_data); 756 break; 757 case IWL_UCODE_TLV_INIT_ERRLOG_PTR: 758 if (tlv_len != sizeof(u32)) 759 goto invalid_tlv_len; 760 pieces->init_errlog_ptr = 761 le32_to_cpup((__le32 *)tlv_data); 762 break; 763 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: 764 if (tlv_len != sizeof(u32)) 765 goto invalid_tlv_len; 766 pieces->inst_evtlog_ptr = 767 le32_to_cpup((__le32 *)tlv_data); 768 break; 769 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: 770 if (tlv_len != sizeof(u32)) 771 goto invalid_tlv_len; 772 pieces->inst_evtlog_size = 773 le32_to_cpup((__le32 *)tlv_data); 774 break; 775 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: 776 if (tlv_len != sizeof(u32)) 777 goto invalid_tlv_len; 778 pieces->inst_errlog_ptr = 779 le32_to_cpup((__le32 *)tlv_data); 780 break; 781 case IWL_UCODE_TLV_ENHANCE_SENS_TBL: 782 if (tlv_len) 783 goto invalid_tlv_len; 784 drv->fw.enhance_sensitivity_table = true; 785 break; 786 case IWL_UCODE_TLV_WOWLAN_INST: 787 set_sec_data(pieces, IWL_UCODE_WOWLAN, 788 IWL_UCODE_SECTION_INST, tlv_data); 789 set_sec_size(pieces, IWL_UCODE_WOWLAN, 790 IWL_UCODE_SECTION_INST, tlv_len); 791 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 792 IWL_UCODE_SECTION_INST, 793 IWLAGN_RTC_INST_LOWER_BOUND); 794 break; 795 case IWL_UCODE_TLV_WOWLAN_DATA: 796 set_sec_data(pieces, IWL_UCODE_WOWLAN, 797 IWL_UCODE_SECTION_DATA, tlv_data); 798 set_sec_size(pieces, IWL_UCODE_WOWLAN, 799 IWL_UCODE_SECTION_DATA, tlv_len); 800 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 801 IWL_UCODE_SECTION_DATA, 802 IWLAGN_RTC_DATA_LOWER_BOUND); 803 break; 804 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: 805 if (tlv_len != sizeof(u32)) 806 goto invalid_tlv_len; 807 capa->standard_phy_calibration_size = 808 le32_to_cpup((__le32 *)tlv_data); 809 break; 810 case IWL_UCODE_TLV_SEC_RT: 811 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 812 tlv_len); 813 drv->fw.type = IWL_FW_MVM; 814 break; 815 case IWL_UCODE_TLV_SEC_INIT: 816 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 817 tlv_len); 818 drv->fw.type = IWL_FW_MVM; 819 break; 820 case IWL_UCODE_TLV_SEC_WOWLAN: 821 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 822 tlv_len); 823 drv->fw.type = IWL_FW_MVM; 824 break; 825 case IWL_UCODE_TLV_DEF_CALIB: 826 if (tlv_len != sizeof(struct iwl_tlv_calib_data)) 827 goto invalid_tlv_len; 828 if (iwl_set_default_calib(drv, tlv_data)) 829 goto tlv_error; 830 break; 831 case IWL_UCODE_TLV_PHY_SKU: 832 if (tlv_len != sizeof(u32)) 833 goto invalid_tlv_len; 834 drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data); 835 drv->fw.valid_tx_ant = (drv->fw.phy_config & 836 FW_PHY_CFG_TX_CHAIN) >> 837 FW_PHY_CFG_TX_CHAIN_POS; 838 drv->fw.valid_rx_ant = (drv->fw.phy_config & 839 FW_PHY_CFG_RX_CHAIN) >> 840 FW_PHY_CFG_RX_CHAIN_POS; 841 break; 842 case IWL_UCODE_TLV_SECURE_SEC_RT: 843 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 844 tlv_len); 845 drv->fw.type = IWL_FW_MVM; 846 break; 847 case IWL_UCODE_TLV_SECURE_SEC_INIT: 848 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 849 tlv_len); 850 drv->fw.type = IWL_FW_MVM; 851 break; 852 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN: 853 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 854 tlv_len); 855 drv->fw.type = IWL_FW_MVM; 856 break; 857 case IWL_UCODE_TLV_NUM_OF_CPU: 858 if (tlv_len != sizeof(u32)) 859 goto invalid_tlv_len; 860 num_of_cpus = 861 le32_to_cpup((__le32 *)tlv_data); 862 863 if (num_of_cpus == 2) { 864 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus = 865 true; 866 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus = 867 true; 868 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus = 869 true; 870 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) { 871 IWL_ERR(drv, "Driver support upto 2 CPUs\n"); 872 return -EINVAL; 873 } 874 break; 875 case IWL_UCODE_TLV_CSCHEME: 876 if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len)) 877 goto invalid_tlv_len; 878 break; 879 case IWL_UCODE_TLV_N_SCAN_CHANNELS: 880 if (tlv_len != sizeof(u32)) 881 goto invalid_tlv_len; 882 capa->n_scan_channels = 883 le32_to_cpup((__le32 *)tlv_data); 884 break; 885 case IWL_UCODE_TLV_FW_VERSION: { 886 __le32 *ptr = (void *)tlv_data; 887 u32 major, minor; 888 u8 local_comp; 889 890 if (tlv_len != sizeof(u32) * 3) 891 goto invalid_tlv_len; 892 893 major = le32_to_cpup(ptr++); 894 minor = le32_to_cpup(ptr++); 895 local_comp = le32_to_cpup(ptr); 896 897 if (major >= 35) 898 snprintf(drv->fw.fw_version, 899 sizeof(drv->fw.fw_version), 900 "%u.%08x.%u", major, minor, local_comp); 901 else 902 snprintf(drv->fw.fw_version, 903 sizeof(drv->fw.fw_version), 904 "%u.%u.%u", major, minor, local_comp); 905 break; 906 } 907 case IWL_UCODE_TLV_FW_DBG_DEST: { 908 struct iwl_fw_dbg_dest_tlv *dest = NULL; 909 struct iwl_fw_dbg_dest_tlv_v1 *dest_v1 = NULL; 910 u8 mon_mode; 911 912 pieces->dbg_dest_ver = (u8 *)tlv_data; 913 if (*pieces->dbg_dest_ver == 1) { 914 dest = (void *)tlv_data; 915 } else if (*pieces->dbg_dest_ver == 0) { 916 dest_v1 = (void *)tlv_data; 917 } else { 918 IWL_ERR(drv, 919 "The version is %d, and it is invalid\n", 920 *pieces->dbg_dest_ver); 921 break; 922 } 923 924 if (pieces->dbg_dest_tlv_init) { 925 IWL_ERR(drv, 926 "dbg destination ignored, already exists\n"); 927 break; 928 } 929 930 pieces->dbg_dest_tlv_init = true; 931 932 if (dest_v1) { 933 pieces->dbg_dest_tlv_v1 = dest_v1; 934 mon_mode = dest_v1->monitor_mode; 935 } else { 936 pieces->dbg_dest_tlv = dest; 937 mon_mode = dest->monitor_mode; 938 } 939 940 IWL_INFO(drv, "Found debug destination: %s\n", 941 get_fw_dbg_mode_string(mon_mode)); 942 943 drv->fw.dbg.n_dest_reg = (dest_v1) ? 944 tlv_len - 945 offsetof(struct iwl_fw_dbg_dest_tlv_v1, 946 reg_ops) : 947 tlv_len - 948 offsetof(struct iwl_fw_dbg_dest_tlv, 949 reg_ops); 950 951 drv->fw.dbg.n_dest_reg /= 952 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]); 953 954 break; 955 } 956 case IWL_UCODE_TLV_FW_DBG_CONF: { 957 struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data; 958 959 if (!pieces->dbg_dest_tlv_init) { 960 IWL_ERR(drv, 961 "Ignore dbg config %d - no destination configured\n", 962 conf->id); 963 break; 964 } 965 966 if (conf->id >= ARRAY_SIZE(drv->fw.dbg.conf_tlv)) { 967 IWL_ERR(drv, 968 "Skip unknown configuration: %d\n", 969 conf->id); 970 break; 971 } 972 973 if (pieces->dbg_conf_tlv[conf->id]) { 974 IWL_ERR(drv, 975 "Ignore duplicate dbg config %d\n", 976 conf->id); 977 break; 978 } 979 980 if (conf->usniffer) 981 usniffer_req = true; 982 983 IWL_INFO(drv, "Found debug configuration: %d\n", 984 conf->id); 985 986 pieces->dbg_conf_tlv[conf->id] = conf; 987 pieces->dbg_conf_tlv_len[conf->id] = tlv_len; 988 break; 989 } 990 case IWL_UCODE_TLV_FW_DBG_TRIGGER: { 991 struct iwl_fw_dbg_trigger_tlv *trigger = 992 (void *)tlv_data; 993 u32 trigger_id = le32_to_cpu(trigger->id); 994 995 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg.trigger_tlv)) { 996 IWL_ERR(drv, 997 "Skip unknown trigger: %u\n", 998 trigger->id); 999 break; 1000 } 1001 1002 if (pieces->dbg_trigger_tlv[trigger_id]) { 1003 IWL_ERR(drv, 1004 "Ignore duplicate dbg trigger %u\n", 1005 trigger->id); 1006 break; 1007 } 1008 1009 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id); 1010 1011 pieces->dbg_trigger_tlv[trigger_id] = trigger; 1012 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len; 1013 break; 1014 } 1015 case IWL_UCODE_TLV_FW_DBG_DUMP_LST: { 1016 if (tlv_len != sizeof(u32)) { 1017 IWL_ERR(drv, 1018 "dbg lst mask size incorrect, skip\n"); 1019 break; 1020 } 1021 1022 drv->fw.dbg.dump_mask = 1023 le32_to_cpup((__le32 *)tlv_data); 1024 break; 1025 } 1026 case IWL_UCODE_TLV_SEC_RT_USNIFFER: 1027 *usniffer_images = true; 1028 iwl_store_ucode_sec(pieces, tlv_data, 1029 IWL_UCODE_REGULAR_USNIFFER, 1030 tlv_len); 1031 break; 1032 case IWL_UCODE_TLV_PAGING: 1033 if (tlv_len != sizeof(u32)) 1034 goto invalid_tlv_len; 1035 paging_mem_size = le32_to_cpup((__le32 *)tlv_data); 1036 1037 IWL_DEBUG_FW(drv, 1038 "Paging: paging enabled (size = %u bytes)\n", 1039 paging_mem_size); 1040 1041 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) { 1042 IWL_ERR(drv, 1043 "Paging: driver supports up to %lu bytes for paging image\n", 1044 MAX_PAGING_IMAGE_SIZE); 1045 return -EINVAL; 1046 } 1047 1048 if (paging_mem_size & (FW_PAGING_SIZE - 1)) { 1049 IWL_ERR(drv, 1050 "Paging: image isn't multiple %lu\n", 1051 FW_PAGING_SIZE); 1052 return -EINVAL; 1053 } 1054 1055 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size = 1056 paging_mem_size; 1057 usniffer_img = IWL_UCODE_REGULAR_USNIFFER; 1058 drv->fw.img[usniffer_img].paging_mem_size = 1059 paging_mem_size; 1060 break; 1061 case IWL_UCODE_TLV_FW_GSCAN_CAPA: 1062 /* ignored */ 1063 break; 1064 case IWL_UCODE_TLV_FW_MEM_SEG: { 1065 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem = 1066 (void *)tlv_data; 1067 size_t size; 1068 struct iwl_fw_dbg_mem_seg_tlv *n; 1069 1070 if (tlv_len != (sizeof(*dbg_mem))) 1071 goto invalid_tlv_len; 1072 1073 IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n", 1074 dbg_mem->data_type); 1075 1076 size = sizeof(*pieces->dbg_mem_tlv) * 1077 (pieces->n_mem_tlv + 1); 1078 n = krealloc(pieces->dbg_mem_tlv, size, GFP_KERNEL); 1079 if (!n) 1080 return -ENOMEM; 1081 pieces->dbg_mem_tlv = n; 1082 pieces->dbg_mem_tlv[pieces->n_mem_tlv] = *dbg_mem; 1083 pieces->n_mem_tlv++; 1084 break; 1085 } 1086 case IWL_UCODE_TLV_IML: { 1087 drv->fw.iml_len = tlv_len; 1088 drv->fw.iml = kmemdup(tlv_data, tlv_len, GFP_KERNEL); 1089 if (!drv->fw.iml) 1090 return -ENOMEM; 1091 break; 1092 } 1093 case IWL_UCODE_TLV_FW_RECOVERY_INFO: { 1094 struct { 1095 __le32 buf_addr; 1096 __le32 buf_size; 1097 } *recov_info = (void *)tlv_data; 1098 1099 if (tlv_len != sizeof(*recov_info)) 1100 goto invalid_tlv_len; 1101 capa->error_log_addr = 1102 le32_to_cpu(recov_info->buf_addr); 1103 capa->error_log_size = 1104 le32_to_cpu(recov_info->buf_size); 1105 } 1106 break; 1107 case IWL_UCODE_TLV_UMAC_DEBUG_ADDRS: { 1108 struct iwl_umac_debug_addrs *dbg_ptrs = 1109 (void *)tlv_data; 1110 1111 if (tlv_len != sizeof(*dbg_ptrs)) 1112 goto invalid_tlv_len; 1113 if (drv->trans->cfg->device_family < 1114 IWL_DEVICE_FAMILY_22000) 1115 break; 1116 drv->trans->umac_error_event_table = 1117 le32_to_cpu(dbg_ptrs->error_info_addr) & 1118 ~FW_ADDR_CACHE_CONTROL; 1119 drv->trans->error_event_table_tlv_status |= 1120 IWL_ERROR_EVENT_TABLE_UMAC; 1121 break; 1122 } 1123 case IWL_UCODE_TLV_LMAC_DEBUG_ADDRS: { 1124 struct iwl_lmac_debug_addrs *dbg_ptrs = 1125 (void *)tlv_data; 1126 1127 if (tlv_len != sizeof(*dbg_ptrs)) 1128 goto invalid_tlv_len; 1129 if (drv->trans->cfg->device_family < 1130 IWL_DEVICE_FAMILY_22000) 1131 break; 1132 drv->trans->lmac_error_event_table[0] = 1133 le32_to_cpu(dbg_ptrs->error_event_table_ptr) & 1134 ~FW_ADDR_CACHE_CONTROL; 1135 drv->trans->error_event_table_tlv_status |= 1136 IWL_ERROR_EVENT_TABLE_LMAC1; 1137 break; 1138 } 1139 case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION: 1140 case IWL_UCODE_TLV_TYPE_HCMD: 1141 case IWL_UCODE_TLV_TYPE_REGIONS: 1142 case IWL_UCODE_TLV_TYPE_TRIGGERS: 1143 case IWL_UCODE_TLV_TYPE_DEBUG_FLOW: 1144 if (iwlwifi_mod_params.enable_ini) 1145 iwl_fw_dbg_copy_tlv(drv->trans, tlv, false); 1146 break; 1147 default: 1148 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); 1149 break; 1150 } 1151 } 1152 1153 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) && 1154 usniffer_req && !*usniffer_images) { 1155 IWL_ERR(drv, 1156 "user selected to work with usniffer but usniffer image isn't available in ucode package\n"); 1157 return -EINVAL; 1158 } 1159 1160 if (len) { 1161 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); 1162 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len); 1163 return -EINVAL; 1164 } 1165 1166 return 0; 1167 1168 invalid_tlv_len: 1169 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); 1170 tlv_error: 1171 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); 1172 1173 return -EINVAL; 1174 } 1175 1176 static int iwl_alloc_ucode(struct iwl_drv *drv, 1177 struct iwl_firmware_pieces *pieces, 1178 enum iwl_ucode_type type) 1179 { 1180 int i; 1181 struct fw_desc *sec; 1182 1183 sec = kcalloc(pieces->img[type].sec_counter, sizeof(*sec), GFP_KERNEL); 1184 if (!sec) 1185 return -ENOMEM; 1186 drv->fw.img[type].sec = sec; 1187 drv->fw.img[type].num_sec = pieces->img[type].sec_counter; 1188 1189 for (i = 0; i < pieces->img[type].sec_counter; i++) 1190 if (iwl_alloc_fw_desc(drv, &sec[i], get_sec(pieces, type, i))) 1191 return -ENOMEM; 1192 1193 return 0; 1194 } 1195 1196 static int validate_sec_sizes(struct iwl_drv *drv, 1197 struct iwl_firmware_pieces *pieces, 1198 const struct iwl_cfg *cfg) 1199 { 1200 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %zd\n", 1201 get_sec_size(pieces, IWL_UCODE_REGULAR, 1202 IWL_UCODE_SECTION_INST)); 1203 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %zd\n", 1204 get_sec_size(pieces, IWL_UCODE_REGULAR, 1205 IWL_UCODE_SECTION_DATA)); 1206 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %zd\n", 1207 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); 1208 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %zd\n", 1209 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); 1210 1211 /* Verify that uCode images will fit in card's SRAM. */ 1212 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > 1213 cfg->max_inst_size) { 1214 IWL_ERR(drv, "uCode instr len %zd too large to fit in\n", 1215 get_sec_size(pieces, IWL_UCODE_REGULAR, 1216 IWL_UCODE_SECTION_INST)); 1217 return -1; 1218 } 1219 1220 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > 1221 cfg->max_data_size) { 1222 IWL_ERR(drv, "uCode data len %zd too large to fit in\n", 1223 get_sec_size(pieces, IWL_UCODE_REGULAR, 1224 IWL_UCODE_SECTION_DATA)); 1225 return -1; 1226 } 1227 1228 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > 1229 cfg->max_inst_size) { 1230 IWL_ERR(drv, "uCode init instr len %zd too large to fit in\n", 1231 get_sec_size(pieces, IWL_UCODE_INIT, 1232 IWL_UCODE_SECTION_INST)); 1233 return -1; 1234 } 1235 1236 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > 1237 cfg->max_data_size) { 1238 IWL_ERR(drv, "uCode init data len %zd too large to fit in\n", 1239 get_sec_size(pieces, IWL_UCODE_REGULAR, 1240 IWL_UCODE_SECTION_DATA)); 1241 return -1; 1242 } 1243 return 0; 1244 } 1245 1246 static struct iwl_op_mode * 1247 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op) 1248 { 1249 const struct iwl_op_mode_ops *ops = op->ops; 1250 struct dentry *dbgfs_dir = NULL; 1251 struct iwl_op_mode *op_mode = NULL; 1252 1253 #ifdef CONFIG_IWLWIFI_DEBUGFS 1254 drv->dbgfs_op_mode = debugfs_create_dir(op->name, 1255 drv->dbgfs_drv); 1256 dbgfs_dir = drv->dbgfs_op_mode; 1257 #endif 1258 1259 op_mode = ops->start(drv->trans, drv->trans->cfg, &drv->fw, dbgfs_dir); 1260 1261 #ifdef CONFIG_IWLWIFI_DEBUGFS 1262 if (!op_mode) { 1263 debugfs_remove_recursive(drv->dbgfs_op_mode); 1264 drv->dbgfs_op_mode = NULL; 1265 } 1266 #endif 1267 1268 return op_mode; 1269 } 1270 1271 static void _iwl_op_mode_stop(struct iwl_drv *drv) 1272 { 1273 /* op_mode can be NULL if its start failed */ 1274 if (drv->op_mode) { 1275 iwl_op_mode_stop(drv->op_mode); 1276 drv->op_mode = NULL; 1277 1278 #ifdef CONFIG_IWLWIFI_DEBUGFS 1279 debugfs_remove_recursive(drv->dbgfs_op_mode); 1280 drv->dbgfs_op_mode = NULL; 1281 #endif 1282 } 1283 } 1284 1285 /** 1286 * iwl_req_fw_callback - callback when firmware was loaded 1287 * 1288 * If loaded successfully, copies the firmware into buffers 1289 * for the card to fetch (via DMA). 1290 */ 1291 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) 1292 { 1293 struct iwl_drv *drv = context; 1294 struct iwl_fw *fw = &drv->fw; 1295 struct iwl_ucode_header *ucode; 1296 struct iwlwifi_opmode_table *op; 1297 int err; 1298 struct iwl_firmware_pieces *pieces; 1299 const unsigned int api_max = drv->trans->cfg->ucode_api_max; 1300 const unsigned int api_min = drv->trans->cfg->ucode_api_min; 1301 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX]; 1302 u32 api_ver; 1303 int i; 1304 bool load_module = false; 1305 bool usniffer_images = false; 1306 1307 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH; 1308 fw->ucode_capa.standard_phy_calibration_size = 1309 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1310 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS; 1311 /* dump all fw memory areas by default */ 1312 fw->dbg.dump_mask = 0xffffffff; 1313 1314 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL); 1315 if (!pieces) 1316 goto out_free_fw; 1317 1318 if (!ucode_raw) 1319 goto try_again; 1320 1321 IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n", 1322 drv->firmware_name, ucode_raw->size); 1323 1324 /* Make sure that we got at least the API version number */ 1325 if (ucode_raw->size < 4) { 1326 IWL_ERR(drv, "File size way too small!\n"); 1327 goto try_again; 1328 } 1329 1330 /* Data from ucode file: header followed by uCode images */ 1331 ucode = (struct iwl_ucode_header *)ucode_raw->data; 1332 1333 if (ucode->ver) 1334 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces); 1335 else 1336 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces, 1337 &fw->ucode_capa, &usniffer_images); 1338 1339 if (err) 1340 goto try_again; 1341 1342 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION)) 1343 api_ver = drv->fw.ucode_ver; 1344 else 1345 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 1346 1347 /* 1348 * api_ver should match the api version forming part of the 1349 * firmware filename ... but we don't check for that and only rely 1350 * on the API version read from firmware header from here on forward 1351 */ 1352 if (api_ver < api_min || api_ver > api_max) { 1353 IWL_ERR(drv, 1354 "Driver unable to support your firmware API. " 1355 "Driver supports v%u, firmware is v%u.\n", 1356 api_max, api_ver); 1357 goto try_again; 1358 } 1359 1360 /* 1361 * In mvm uCode there is no difference between data and instructions 1362 * sections. 1363 */ 1364 if (fw->type == IWL_FW_DVM && validate_sec_sizes(drv, pieces, 1365 drv->trans->cfg)) 1366 goto try_again; 1367 1368 /* Allocate ucode buffers for card's bus-master loading ... */ 1369 1370 /* Runtime instructions and 2 copies of data: 1371 * 1) unmodified from disk 1372 * 2) backup cache for save/restore during power-downs 1373 */ 1374 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 1375 if (iwl_alloc_ucode(drv, pieces, i)) 1376 goto out_free_fw; 1377 1378 if (pieces->dbg_dest_tlv_init) { 1379 size_t dbg_dest_size = sizeof(*drv->fw.dbg.dest_tlv) + 1380 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * 1381 drv->fw.dbg.n_dest_reg; 1382 1383 drv->fw.dbg.dest_tlv = kmalloc(dbg_dest_size, GFP_KERNEL); 1384 1385 if (!drv->fw.dbg.dest_tlv) 1386 goto out_free_fw; 1387 1388 if (*pieces->dbg_dest_ver == 0) { 1389 memcpy(drv->fw.dbg.dest_tlv, pieces->dbg_dest_tlv_v1, 1390 dbg_dest_size); 1391 } else { 1392 struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv = 1393 drv->fw.dbg.dest_tlv; 1394 1395 dest_tlv->version = pieces->dbg_dest_tlv->version; 1396 dest_tlv->monitor_mode = 1397 pieces->dbg_dest_tlv->monitor_mode; 1398 dest_tlv->size_power = 1399 pieces->dbg_dest_tlv->size_power; 1400 dest_tlv->wrap_count = 1401 pieces->dbg_dest_tlv->wrap_count; 1402 dest_tlv->write_ptr_reg = 1403 pieces->dbg_dest_tlv->write_ptr_reg; 1404 dest_tlv->base_shift = 1405 pieces->dbg_dest_tlv->base_shift; 1406 memcpy(dest_tlv->reg_ops, 1407 pieces->dbg_dest_tlv->reg_ops, 1408 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * 1409 drv->fw.dbg.n_dest_reg); 1410 1411 /* In version 1 of the destination tlv, which is 1412 * relevant for internal buffer exclusively, 1413 * the base address is part of given with the length 1414 * of the buffer, and the size shift is give instead of 1415 * end shift. We now store these values in base_reg, 1416 * and end shift, and when dumping the data we'll 1417 * manipulate it for extracting both the length and 1418 * base address */ 1419 dest_tlv->base_reg = pieces->dbg_dest_tlv->cfg_reg; 1420 dest_tlv->end_shift = 1421 pieces->dbg_dest_tlv->size_shift; 1422 } 1423 } 1424 1425 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) { 1426 if (pieces->dbg_conf_tlv[i]) { 1427 drv->fw.dbg.conf_tlv[i] = 1428 kmemdup(pieces->dbg_conf_tlv[i], 1429 pieces->dbg_conf_tlv_len[i], 1430 GFP_KERNEL); 1431 if (!pieces->dbg_conf_tlv_len[i]) 1432 goto out_free_fw; 1433 } 1434 } 1435 1436 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz)); 1437 1438 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] = 1439 sizeof(struct iwl_fw_dbg_trigger_missed_bcon); 1440 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0; 1441 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] = 1442 sizeof(struct iwl_fw_dbg_trigger_cmd); 1443 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] = 1444 sizeof(struct iwl_fw_dbg_trigger_mlme); 1445 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] = 1446 sizeof(struct iwl_fw_dbg_trigger_stats); 1447 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] = 1448 sizeof(struct iwl_fw_dbg_trigger_low_rssi); 1449 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] = 1450 sizeof(struct iwl_fw_dbg_trigger_txq_timer); 1451 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] = 1452 sizeof(struct iwl_fw_dbg_trigger_time_event); 1453 trigger_tlv_sz[FW_DBG_TRIGGER_BA] = 1454 sizeof(struct iwl_fw_dbg_trigger_ba); 1455 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] = 1456 sizeof(struct iwl_fw_dbg_trigger_tdls); 1457 1458 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) { 1459 if (pieces->dbg_trigger_tlv[i]) { 1460 /* 1461 * If the trigger isn't long enough, WARN and exit. 1462 * Someone is trying to debug something and he won't 1463 * be able to catch the bug he is trying to chase. 1464 * We'd better be noisy to be sure he knows what's 1465 * going on. 1466 */ 1467 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] < 1468 (trigger_tlv_sz[i] + 1469 sizeof(struct iwl_fw_dbg_trigger_tlv)))) 1470 goto out_free_fw; 1471 drv->fw.dbg.trigger_tlv_len[i] = 1472 pieces->dbg_trigger_tlv_len[i]; 1473 drv->fw.dbg.trigger_tlv[i] = 1474 kmemdup(pieces->dbg_trigger_tlv[i], 1475 drv->fw.dbg.trigger_tlv_len[i], 1476 GFP_KERNEL); 1477 if (!drv->fw.dbg.trigger_tlv[i]) 1478 goto out_free_fw; 1479 } 1480 } 1481 1482 /* Now that we can no longer fail, copy information */ 1483 1484 drv->fw.dbg.mem_tlv = pieces->dbg_mem_tlv; 1485 pieces->dbg_mem_tlv = NULL; 1486 drv->fw.dbg.n_mem_tlv = pieces->n_mem_tlv; 1487 1488 /* 1489 * The (size - 16) / 12 formula is based on the information recorded 1490 * for each event, which is of mode 1 (including timestamp) for all 1491 * new microcodes that include this information. 1492 */ 1493 fw->init_evtlog_ptr = pieces->init_evtlog_ptr; 1494 if (pieces->init_evtlog_size) 1495 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12; 1496 else 1497 fw->init_evtlog_size = 1498 drv->trans->cfg->base_params->max_event_log_size; 1499 fw->init_errlog_ptr = pieces->init_errlog_ptr; 1500 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr; 1501 if (pieces->inst_evtlog_size) 1502 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12; 1503 else 1504 fw->inst_evtlog_size = 1505 drv->trans->cfg->base_params->max_event_log_size; 1506 fw->inst_errlog_ptr = pieces->inst_errlog_ptr; 1507 1508 /* 1509 * figure out the offset of chain noise reset and gain commands 1510 * base on the size of standard phy calibration commands table size 1511 */ 1512 if (fw->ucode_capa.standard_phy_calibration_size > 1513 IWL_MAX_PHY_CALIBRATE_TBL_SIZE) 1514 fw->ucode_capa.standard_phy_calibration_size = 1515 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1516 1517 /* We have our copies now, allow OS release its copies */ 1518 release_firmware(ucode_raw); 1519 1520 mutex_lock(&iwlwifi_opmode_table_mtx); 1521 switch (fw->type) { 1522 case IWL_FW_DVM: 1523 op = &iwlwifi_opmode_table[DVM_OP_MODE]; 1524 break; 1525 default: 1526 WARN(1, "Invalid fw type %d\n", fw->type); 1527 /* fall through */ 1528 case IWL_FW_MVM: 1529 op = &iwlwifi_opmode_table[MVM_OP_MODE]; 1530 break; 1531 } 1532 1533 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n", 1534 drv->fw.fw_version, op->name); 1535 1536 /* add this device to the list of devices using this op_mode */ 1537 list_add_tail(&drv->list, &op->drv); 1538 1539 if (op->ops) { 1540 drv->op_mode = _iwl_op_mode_start(drv, op); 1541 1542 if (!drv->op_mode) { 1543 mutex_unlock(&iwlwifi_opmode_table_mtx); 1544 goto out_unbind; 1545 } 1546 } else { 1547 load_module = true; 1548 } 1549 mutex_unlock(&iwlwifi_opmode_table_mtx); 1550 1551 /* 1552 * Complete the firmware request last so that 1553 * a driver unbind (stop) doesn't run while we 1554 * are doing the start() above. 1555 */ 1556 complete(&drv->request_firmware_complete); 1557 1558 /* 1559 * Load the module last so we don't block anything 1560 * else from proceeding if the module fails to load 1561 * or hangs loading. 1562 */ 1563 if (load_module) { 1564 request_module("%s", op->name); 1565 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR 1566 if (err) 1567 IWL_ERR(drv, 1568 "failed to load module %s (error %d), is dynamic loading enabled?\n", 1569 op->name, err); 1570 #endif 1571 } 1572 goto free; 1573 1574 try_again: 1575 /* try next, if any */ 1576 release_firmware(ucode_raw); 1577 if (iwl_request_firmware(drv, false)) 1578 goto out_unbind; 1579 goto free; 1580 1581 out_free_fw: 1582 iwl_dealloc_ucode(drv); 1583 release_firmware(ucode_raw); 1584 out_unbind: 1585 complete(&drv->request_firmware_complete); 1586 device_release_driver(drv->trans->dev); 1587 free: 1588 if (pieces) { 1589 for (i = 0; i < ARRAY_SIZE(pieces->img); i++) 1590 kfree(pieces->img[i].sec); 1591 kfree(pieces->dbg_mem_tlv); 1592 kfree(pieces); 1593 } 1594 } 1595 1596 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans) 1597 { 1598 struct iwl_drv *drv; 1599 int ret; 1600 1601 drv = kzalloc(sizeof(*drv), GFP_KERNEL); 1602 if (!drv) { 1603 ret = -ENOMEM; 1604 goto err; 1605 } 1606 1607 drv->trans = trans; 1608 drv->dev = trans->dev; 1609 1610 init_completion(&drv->request_firmware_complete); 1611 INIT_LIST_HEAD(&drv->list); 1612 1613 #ifdef CONFIG_IWLWIFI_DEBUGFS 1614 /* Create the device debugfs entries. */ 1615 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev), 1616 iwl_dbgfs_root); 1617 1618 /* Create transport layer debugfs dir */ 1619 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv); 1620 #endif 1621 1622 ret = iwl_request_firmware(drv, true); 1623 if (ret) { 1624 IWL_ERR(trans, "Couldn't request the fw\n"); 1625 goto err_fw; 1626 } 1627 1628 return drv; 1629 1630 err_fw: 1631 #ifdef CONFIG_IWLWIFI_DEBUGFS 1632 debugfs_remove_recursive(drv->dbgfs_drv); 1633 iwl_fw_dbg_free(drv->trans); 1634 #endif 1635 kfree(drv); 1636 err: 1637 return ERR_PTR(ret); 1638 } 1639 1640 void iwl_drv_stop(struct iwl_drv *drv) 1641 { 1642 wait_for_completion(&drv->request_firmware_complete); 1643 1644 _iwl_op_mode_stop(drv); 1645 1646 iwl_dealloc_ucode(drv); 1647 1648 mutex_lock(&iwlwifi_opmode_table_mtx); 1649 /* 1650 * List is empty (this item wasn't added) 1651 * when firmware loading failed -- in that 1652 * case we can't remove it from any list. 1653 */ 1654 if (!list_empty(&drv->list)) 1655 list_del(&drv->list); 1656 mutex_unlock(&iwlwifi_opmode_table_mtx); 1657 1658 #ifdef CONFIG_IWLWIFI_DEBUGFS 1659 drv->trans->ops->debugfs_cleanup(drv->trans); 1660 1661 debugfs_remove_recursive(drv->dbgfs_drv); 1662 #endif 1663 1664 iwl_fw_dbg_free(drv->trans); 1665 1666 kfree(drv); 1667 } 1668 1669 1670 /* shared module parameters */ 1671 struct iwl_mod_params iwlwifi_mod_params = { 1672 .fw_restart = true, 1673 .bt_coex_active = true, 1674 .power_level = IWL_POWER_INDEX_1, 1675 .d0i3_disable = true, 1676 .d0i3_timeout = 1000, 1677 .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT, 1678 /* the rest are 0 by default */ 1679 }; 1680 IWL_EXPORT_SYMBOL(iwlwifi_mod_params); 1681 1682 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops) 1683 { 1684 int i; 1685 struct iwl_drv *drv; 1686 struct iwlwifi_opmode_table *op; 1687 1688 mutex_lock(&iwlwifi_opmode_table_mtx); 1689 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1690 op = &iwlwifi_opmode_table[i]; 1691 if (strcmp(op->name, name)) 1692 continue; 1693 op->ops = ops; 1694 /* TODO: need to handle exceptional case */ 1695 list_for_each_entry(drv, &op->drv, list) 1696 drv->op_mode = _iwl_op_mode_start(drv, op); 1697 1698 mutex_unlock(&iwlwifi_opmode_table_mtx); 1699 return 0; 1700 } 1701 mutex_unlock(&iwlwifi_opmode_table_mtx); 1702 return -EIO; 1703 } 1704 IWL_EXPORT_SYMBOL(iwl_opmode_register); 1705 1706 void iwl_opmode_deregister(const char *name) 1707 { 1708 int i; 1709 struct iwl_drv *drv; 1710 1711 mutex_lock(&iwlwifi_opmode_table_mtx); 1712 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1713 if (strcmp(iwlwifi_opmode_table[i].name, name)) 1714 continue; 1715 iwlwifi_opmode_table[i].ops = NULL; 1716 1717 /* call the stop routine for all devices */ 1718 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list) 1719 _iwl_op_mode_stop(drv); 1720 1721 mutex_unlock(&iwlwifi_opmode_table_mtx); 1722 return; 1723 } 1724 mutex_unlock(&iwlwifi_opmode_table_mtx); 1725 } 1726 IWL_EXPORT_SYMBOL(iwl_opmode_deregister); 1727 1728 static int __init iwl_drv_init(void) 1729 { 1730 int i; 1731 1732 mutex_init(&iwlwifi_opmode_table_mtx); 1733 1734 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) 1735 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv); 1736 1737 pr_info(DRV_DESCRIPTION "\n"); 1738 pr_info(DRV_COPYRIGHT "\n"); 1739 1740 #ifdef CONFIG_IWLWIFI_DEBUGFS 1741 /* Create the root of iwlwifi debugfs subsystem. */ 1742 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL); 1743 #endif 1744 1745 return iwl_pci_register_driver(); 1746 } 1747 module_init(iwl_drv_init); 1748 1749 static void __exit iwl_drv_exit(void) 1750 { 1751 iwl_pci_unregister_driver(); 1752 1753 #ifdef CONFIG_IWLWIFI_DEBUGFS 1754 debugfs_remove_recursive(iwl_dbgfs_root); 1755 #endif 1756 } 1757 module_exit(iwl_drv_exit); 1758 1759 #ifdef CONFIG_IWLWIFI_DEBUG 1760 module_param_named(debug, iwlwifi_mod_params.debug_level, uint, 0644); 1761 MODULE_PARM_DESC(debug, "debug output mask"); 1762 #endif 1763 1764 module_param_named(swcrypto, iwlwifi_mod_params.swcrypto, int, 0444); 1765 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); 1766 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, 0444); 1767 MODULE_PARM_DESC(11n_disable, 1768 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX"); 1769 module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, int, 0444); 1770 MODULE_PARM_DESC(amsdu_size, 1771 "amsdu size 0: 12K for multi Rx queue devices, 2K for 22560 devices, " 1772 "4K for other devices 1:4K 2:8K 3:12K 4: 2K (default 0)"); 1773 module_param_named(fw_restart, iwlwifi_mod_params.fw_restart, bool, 0444); 1774 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)"); 1775 1776 module_param_named(antenna_coupling, iwlwifi_mod_params.antenna_coupling, 1777 int, 0444); 1778 MODULE_PARM_DESC(antenna_coupling, 1779 "specify antenna coupling in dB (default: 0 dB)"); 1780 1781 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, 0444); 1782 MODULE_PARM_DESC(nvm_file, "NVM file name"); 1783 1784 module_param_named(d0i3_disable, iwlwifi_mod_params.d0i3_disable, bool, 0444); 1785 MODULE_PARM_DESC(d0i3_disable, "disable d0i3 functionality (default: Y)"); 1786 1787 module_param_named(lar_disable, iwlwifi_mod_params.lar_disable, bool, 0444); 1788 MODULE_PARM_DESC(lar_disable, "disable LAR functionality (default: N)"); 1789 1790 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, uint, 0644); 1791 MODULE_PARM_DESC(uapsd_disable, 1792 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)"); 1793 module_param_named(enable_ini, iwlwifi_mod_params.enable_ini, 1794 bool, S_IRUGO | S_IWUSR); 1795 MODULE_PARM_DESC(enable_ini, 1796 "Enable debug INI TLV FW debug infrastructure (default: 0"); 1797 1798 /* 1799 * set bt_coex_active to true, uCode will do kill/defer 1800 * every time the priority line is asserted (BT is sending signals on the 1801 * priority line in the PCIx). 1802 * set bt_coex_active to false, uCode will ignore the BT activity and 1803 * perform the normal operation 1804 * 1805 * User might experience transmit issue on some platform due to WiFi/BT 1806 * co-exist problem. The possible behaviors are: 1807 * Able to scan and finding all the available AP 1808 * Not able to associate with any AP 1809 * On those platforms, WiFi communication can be restored by set 1810 * "bt_coex_active" module parameter to "false" 1811 * 1812 * default: bt_coex_active = true (BT_COEX_ENABLE) 1813 */ 1814 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active, 1815 bool, 0444); 1816 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); 1817 1818 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, 0444); 1819 MODULE_PARM_DESC(led_mode, "0=system default, " 1820 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); 1821 1822 module_param_named(power_save, iwlwifi_mod_params.power_save, bool, 0444); 1823 MODULE_PARM_DESC(power_save, 1824 "enable WiFi power management (default: disable)"); 1825 1826 module_param_named(power_level, iwlwifi_mod_params.power_level, int, 0444); 1827 MODULE_PARM_DESC(power_level, 1828 "default power save level (range from 1 - 5, default: 1)"); 1829 1830 module_param_named(fw_monitor, iwlwifi_mod_params.fw_monitor, bool, 0444); 1831 MODULE_PARM_DESC(fw_monitor, 1832 "firmware monitor - to debug FW (default: false - needs lots of memory)"); 1833 1834 module_param_named(d0i3_timeout, iwlwifi_mod_params.d0i3_timeout, uint, 0444); 1835 MODULE_PARM_DESC(d0i3_timeout, "Timeout to D0i3 entry when idle (ms)"); 1836 1837 module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, 0444); 1838 MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)"); 1839 1840 module_param_named(remove_when_gone, 1841 iwlwifi_mod_params.remove_when_gone, bool, 1842 0444); 1843 MODULE_PARM_DESC(remove_when_gone, 1844 "Remove dev from PCIe bus if it is deemed inaccessible (default: false)"); 1845 1846 module_param_named(disable_11ax, iwlwifi_mod_params.disable_11ax, bool, 1847 S_IRUGO); 1848 MODULE_PARM_DESC(disable_11ax, "Disable HE capabilities (default: false)"); 1849