1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause 2 /* 3 * Copyright (C) 2005-2014, 2018-2021 Intel Corporation 4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH 5 * Copyright (C) 2016-2017 Intel Deutschland GmbH 6 */ 7 #include <linux/completion.h> 8 #include <linux/dma-mapping.h> 9 #include <linux/firmware.h> 10 #include <linux/module.h> 11 #include <linux/vmalloc.h> 12 13 #include "iwl-drv.h" 14 #include "iwl-csr.h" 15 #include "iwl-debug.h" 16 #include "iwl-trans.h" 17 #include "iwl-op-mode.h" 18 #include "iwl-agn-hw.h" 19 #include "fw/img.h" 20 #include "iwl-dbg-tlv.h" 21 #include "iwl-config.h" 22 #include "iwl-modparams.h" 23 #include "fw/api/alive.h" 24 #include "fw/api/mac.h" 25 26 /****************************************************************************** 27 * 28 * module boiler plate 29 * 30 ******************************************************************************/ 31 32 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux" 33 MODULE_DESCRIPTION(DRV_DESCRIPTION); 34 MODULE_AUTHOR(DRV_AUTHOR); 35 MODULE_LICENSE("GPL"); 36 37 #ifdef CONFIG_IWLWIFI_DEBUGFS 38 static struct dentry *iwl_dbgfs_root; 39 #endif 40 41 /** 42 * struct iwl_drv - drv common data 43 * @list: list of drv structures using this opmode 44 * @fw: the iwl_fw structure 45 * @op_mode: the running op_mode 46 * @trans: transport layer 47 * @dev: for debug prints only 48 * @fw_index: firmware revision to try loading 49 * @firmware_name: composite filename of ucode file to load 50 * @request_firmware_complete: the firmware has been obtained from user space 51 * @dbgfs_drv: debugfs root directory entry 52 * @dbgfs_trans: debugfs transport directory entry 53 * @dbgfs_op_mode: debugfs op_mode directory entry 54 */ 55 struct iwl_drv { 56 struct list_head list; 57 struct iwl_fw fw; 58 59 struct iwl_op_mode *op_mode; 60 struct iwl_trans *trans; 61 struct device *dev; 62 63 int fw_index; /* firmware we're trying to load */ 64 char firmware_name[64]; /* name of firmware file to load */ 65 66 struct completion request_firmware_complete; 67 68 #ifdef CONFIG_IWLWIFI_DEBUGFS 69 struct dentry *dbgfs_drv; 70 struct dentry *dbgfs_trans; 71 struct dentry *dbgfs_op_mode; 72 #endif 73 }; 74 75 enum { 76 DVM_OP_MODE, 77 MVM_OP_MODE, 78 }; 79 80 /* Protects the table contents, i.e. the ops pointer & drv list */ 81 static struct mutex iwlwifi_opmode_table_mtx; 82 static struct iwlwifi_opmode_table { 83 const char *name; /* name: iwldvm, iwlmvm, etc */ 84 const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */ 85 struct list_head drv; /* list of devices using this op_mode */ 86 } iwlwifi_opmode_table[] = { /* ops set when driver is initialized */ 87 [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL }, 88 [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL }, 89 }; 90 91 #define IWL_DEFAULT_SCAN_CHANNELS 40 92 93 /* 94 * struct fw_sec: Just for the image parsing process. 95 * For the fw storage we are using struct fw_desc. 96 */ 97 struct fw_sec { 98 const void *data; /* the sec data */ 99 size_t size; /* section size */ 100 u32 offset; /* offset of writing in the device */ 101 }; 102 103 static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc) 104 { 105 vfree(desc->data); 106 desc->data = NULL; 107 desc->len = 0; 108 } 109 110 static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img) 111 { 112 int i; 113 for (i = 0; i < img->num_sec; i++) 114 iwl_free_fw_desc(drv, &img->sec[i]); 115 kfree(img->sec); 116 } 117 118 static void iwl_dealloc_ucode(struct iwl_drv *drv) 119 { 120 int i; 121 122 kfree(drv->fw.dbg.dest_tlv); 123 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) 124 kfree(drv->fw.dbg.conf_tlv[i]); 125 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) 126 kfree(drv->fw.dbg.trigger_tlv[i]); 127 kfree(drv->fw.dbg.mem_tlv); 128 kfree(drv->fw.iml); 129 kfree(drv->fw.ucode_capa.cmd_versions); 130 kfree(drv->fw.phy_integration_ver); 131 132 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 133 iwl_free_fw_img(drv, drv->fw.img + i); 134 } 135 136 static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc, 137 struct fw_sec *sec) 138 { 139 void *data; 140 141 desc->data = NULL; 142 143 if (!sec || !sec->size) 144 return -EINVAL; 145 146 data = vmalloc(sec->size); 147 if (!data) 148 return -ENOMEM; 149 150 desc->len = sec->size; 151 desc->offset = sec->offset; 152 memcpy(data, sec->data, desc->len); 153 desc->data = data; 154 155 return 0; 156 } 157 158 static void iwl_req_fw_callback(const struct firmware *ucode_raw, 159 void *context); 160 161 static int iwl_request_firmware(struct iwl_drv *drv, bool first) 162 { 163 const struct iwl_cfg *cfg = drv->trans->cfg; 164 char tag[8]; 165 166 if (drv->trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_9000 && 167 (CSR_HW_REV_STEP(drv->trans->hw_rev) != SILICON_B_STEP && 168 CSR_HW_REV_STEP(drv->trans->hw_rev) != SILICON_C_STEP)) { 169 IWL_ERR(drv, 170 "Only HW steps B and C are currently supported (0x%0x)\n", 171 drv->trans->hw_rev); 172 return -EINVAL; 173 } 174 175 if (first) { 176 drv->fw_index = cfg->ucode_api_max; 177 sprintf(tag, "%d", drv->fw_index); 178 } else { 179 drv->fw_index--; 180 sprintf(tag, "%d", drv->fw_index); 181 } 182 183 if (drv->fw_index < cfg->ucode_api_min) { 184 IWL_ERR(drv, "no suitable firmware found!\n"); 185 186 if (cfg->ucode_api_min == cfg->ucode_api_max) { 187 IWL_ERR(drv, "%s%d is required\n", cfg->fw_name_pre, 188 cfg->ucode_api_max); 189 } else { 190 IWL_ERR(drv, "minimum version required: %s%d\n", 191 cfg->fw_name_pre, cfg->ucode_api_min); 192 IWL_ERR(drv, "maximum version supported: %s%d\n", 193 cfg->fw_name_pre, cfg->ucode_api_max); 194 } 195 196 IWL_ERR(drv, 197 "check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git\n"); 198 return -ENOENT; 199 } 200 201 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode", 202 cfg->fw_name_pre, tag); 203 204 IWL_DEBUG_FW_INFO(drv, "attempting to load firmware '%s'\n", 205 drv->firmware_name); 206 207 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name, 208 drv->trans->dev, 209 GFP_KERNEL, drv, iwl_req_fw_callback); 210 } 211 212 struct fw_img_parsing { 213 struct fw_sec *sec; 214 int sec_counter; 215 }; 216 217 /* 218 * struct fw_sec_parsing: to extract fw section and it's offset from tlv 219 */ 220 struct fw_sec_parsing { 221 __le32 offset; 222 const u8 data[]; 223 } __packed; 224 225 /** 226 * struct iwl_tlv_calib_data - parse the default calib data from TLV 227 * 228 * @ucode_type: the uCode to which the following default calib relates. 229 * @calib: default calibrations. 230 */ 231 struct iwl_tlv_calib_data { 232 __le32 ucode_type; 233 struct iwl_tlv_calib_ctrl calib; 234 } __packed; 235 236 struct iwl_firmware_pieces { 237 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX]; 238 239 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; 240 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; 241 242 /* FW debug data parsed for driver usage */ 243 bool dbg_dest_tlv_init; 244 u8 *dbg_dest_ver; 245 union { 246 struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv; 247 struct iwl_fw_dbg_dest_tlv_v1 *dbg_dest_tlv_v1; 248 }; 249 struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX]; 250 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX]; 251 struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX]; 252 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX]; 253 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv; 254 size_t n_mem_tlv; 255 }; 256 257 /* 258 * These functions are just to extract uCode section data from the pieces 259 * structure. 260 */ 261 static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces, 262 enum iwl_ucode_type type, 263 int sec) 264 { 265 return &pieces->img[type].sec[sec]; 266 } 267 268 static void alloc_sec_data(struct iwl_firmware_pieces *pieces, 269 enum iwl_ucode_type type, 270 int sec) 271 { 272 struct fw_img_parsing *img = &pieces->img[type]; 273 struct fw_sec *sec_memory; 274 int size = sec + 1; 275 size_t alloc_size = sizeof(*img->sec) * size; 276 277 if (img->sec && img->sec_counter >= size) 278 return; 279 280 sec_memory = krealloc(img->sec, alloc_size, GFP_KERNEL); 281 if (!sec_memory) 282 return; 283 284 img->sec = sec_memory; 285 img->sec_counter = size; 286 } 287 288 static void set_sec_data(struct iwl_firmware_pieces *pieces, 289 enum iwl_ucode_type type, 290 int sec, 291 const void *data) 292 { 293 alloc_sec_data(pieces, type, sec); 294 295 pieces->img[type].sec[sec].data = data; 296 } 297 298 static void set_sec_size(struct iwl_firmware_pieces *pieces, 299 enum iwl_ucode_type type, 300 int sec, 301 size_t size) 302 { 303 alloc_sec_data(pieces, type, sec); 304 305 pieces->img[type].sec[sec].size = size; 306 } 307 308 static size_t get_sec_size(struct iwl_firmware_pieces *pieces, 309 enum iwl_ucode_type type, 310 int sec) 311 { 312 return pieces->img[type].sec[sec].size; 313 } 314 315 static void set_sec_offset(struct iwl_firmware_pieces *pieces, 316 enum iwl_ucode_type type, 317 int sec, 318 u32 offset) 319 { 320 alloc_sec_data(pieces, type, sec); 321 322 pieces->img[type].sec[sec].offset = offset; 323 } 324 325 static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len) 326 { 327 int i, j; 328 struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data; 329 struct iwl_fw_cipher_scheme *fwcs; 330 331 if (len < sizeof(*l) || 332 len < sizeof(l->size) + l->size * sizeof(l->cs[0])) 333 return -EINVAL; 334 335 for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) { 336 fwcs = &l->cs[j]; 337 338 /* we skip schemes with zero cipher suite selector */ 339 if (!fwcs->cipher) 340 continue; 341 342 fw->cs[j++] = *fwcs; 343 } 344 345 return 0; 346 } 347 348 /* 349 * Gets uCode section from tlv. 350 */ 351 static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces, 352 const void *data, enum iwl_ucode_type type, 353 int size) 354 { 355 struct fw_img_parsing *img; 356 struct fw_sec *sec; 357 struct fw_sec_parsing *sec_parse; 358 size_t alloc_size; 359 360 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX)) 361 return -1; 362 363 sec_parse = (struct fw_sec_parsing *)data; 364 365 img = &pieces->img[type]; 366 367 alloc_size = sizeof(*img->sec) * (img->sec_counter + 1); 368 sec = krealloc(img->sec, alloc_size, GFP_KERNEL); 369 if (!sec) 370 return -ENOMEM; 371 img->sec = sec; 372 373 sec = &img->sec[img->sec_counter]; 374 375 sec->offset = le32_to_cpu(sec_parse->offset); 376 sec->data = sec_parse->data; 377 sec->size = size - sizeof(sec_parse->offset); 378 379 ++img->sec_counter; 380 381 return 0; 382 } 383 384 static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data) 385 { 386 struct iwl_tlv_calib_data *def_calib = 387 (struct iwl_tlv_calib_data *)data; 388 u32 ucode_type = le32_to_cpu(def_calib->ucode_type); 389 if (ucode_type >= IWL_UCODE_TYPE_MAX) { 390 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n", 391 ucode_type); 392 return -EINVAL; 393 } 394 drv->fw.default_calib[ucode_type].flow_trigger = 395 def_calib->calib.flow_trigger; 396 drv->fw.default_calib[ucode_type].event_trigger = 397 def_calib->calib.event_trigger; 398 399 return 0; 400 } 401 402 static void iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data, 403 struct iwl_ucode_capabilities *capa) 404 { 405 const struct iwl_ucode_api *ucode_api = (void *)data; 406 u32 api_index = le32_to_cpu(ucode_api->api_index); 407 u32 api_flags = le32_to_cpu(ucode_api->api_flags); 408 int i; 409 410 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) { 411 IWL_WARN(drv, 412 "api flags index %d larger than supported by driver\n", 413 api_index); 414 return; 415 } 416 417 for (i = 0; i < 32; i++) { 418 if (api_flags & BIT(i)) 419 __set_bit(i + 32 * api_index, capa->_api); 420 } 421 } 422 423 static void iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data, 424 struct iwl_ucode_capabilities *capa) 425 { 426 const struct iwl_ucode_capa *ucode_capa = (void *)data; 427 u32 api_index = le32_to_cpu(ucode_capa->api_index); 428 u32 api_flags = le32_to_cpu(ucode_capa->api_capa); 429 int i; 430 431 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) { 432 IWL_WARN(drv, 433 "capa flags index %d larger than supported by driver\n", 434 api_index); 435 return; 436 } 437 438 for (i = 0; i < 32; i++) { 439 if (api_flags & BIT(i)) 440 __set_bit(i + 32 * api_index, capa->_capa); 441 } 442 } 443 444 static const char *iwl_reduced_fw_name(struct iwl_drv *drv) 445 { 446 const char *name = drv->firmware_name; 447 448 if (strncmp(name, "iwlwifi-", 8) == 0) 449 name += 8; 450 451 return name; 452 } 453 454 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv, 455 const struct firmware *ucode_raw, 456 struct iwl_firmware_pieces *pieces) 457 { 458 struct iwl_ucode_header *ucode = (void *)ucode_raw->data; 459 u32 api_ver, hdr_size, build; 460 char buildstr[25]; 461 const u8 *src; 462 463 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 464 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 465 466 switch (api_ver) { 467 default: 468 hdr_size = 28; 469 if (ucode_raw->size < hdr_size) { 470 IWL_ERR(drv, "File size too small!\n"); 471 return -EINVAL; 472 } 473 build = le32_to_cpu(ucode->u.v2.build); 474 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 475 le32_to_cpu(ucode->u.v2.inst_size)); 476 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 477 le32_to_cpu(ucode->u.v2.data_size)); 478 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 479 le32_to_cpu(ucode->u.v2.init_size)); 480 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 481 le32_to_cpu(ucode->u.v2.init_data_size)); 482 src = ucode->u.v2.data; 483 break; 484 case 0: 485 case 1: 486 case 2: 487 hdr_size = 24; 488 if (ucode_raw->size < hdr_size) { 489 IWL_ERR(drv, "File size too small!\n"); 490 return -EINVAL; 491 } 492 build = 0; 493 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 494 le32_to_cpu(ucode->u.v1.inst_size)); 495 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 496 le32_to_cpu(ucode->u.v1.data_size)); 497 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 498 le32_to_cpu(ucode->u.v1.init_size)); 499 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 500 le32_to_cpu(ucode->u.v1.init_data_size)); 501 src = ucode->u.v1.data; 502 break; 503 } 504 505 if (build) 506 sprintf(buildstr, " build %u", build); 507 else 508 buildstr[0] = '\0'; 509 510 snprintf(drv->fw.fw_version, 511 sizeof(drv->fw.fw_version), 512 "%u.%u.%u.%u%s %s", 513 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 514 IWL_UCODE_MINOR(drv->fw.ucode_ver), 515 IWL_UCODE_API(drv->fw.ucode_ver), 516 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 517 buildstr, iwl_reduced_fw_name(drv)); 518 519 /* Verify size of file vs. image size info in file's header */ 520 521 if (ucode_raw->size != hdr_size + 522 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) + 523 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) + 524 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) + 525 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { 526 527 IWL_ERR(drv, 528 "uCode file size %d does not match expected size\n", 529 (int)ucode_raw->size); 530 return -EINVAL; 531 } 532 533 534 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src); 535 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST); 536 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 537 IWLAGN_RTC_INST_LOWER_BOUND); 538 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src); 539 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA); 540 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 541 IWLAGN_RTC_DATA_LOWER_BOUND); 542 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src); 543 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST); 544 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 545 IWLAGN_RTC_INST_LOWER_BOUND); 546 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src); 547 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA); 548 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 549 IWLAGN_RTC_DATA_LOWER_BOUND); 550 return 0; 551 } 552 553 static int iwl_parse_tlv_firmware(struct iwl_drv *drv, 554 const struct firmware *ucode_raw, 555 struct iwl_firmware_pieces *pieces, 556 struct iwl_ucode_capabilities *capa, 557 bool *usniffer_images) 558 { 559 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; 560 const struct iwl_ucode_tlv *tlv; 561 size_t len = ucode_raw->size; 562 const u8 *data; 563 u32 tlv_len; 564 u32 usniffer_img; 565 enum iwl_ucode_tlv_type tlv_type; 566 const u8 *tlv_data; 567 char buildstr[25]; 568 u32 build, paging_mem_size; 569 int num_of_cpus; 570 bool usniffer_req = false; 571 572 if (len < sizeof(*ucode)) { 573 IWL_ERR(drv, "uCode has invalid length: %zd\n", len); 574 return -EINVAL; 575 } 576 577 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { 578 IWL_ERR(drv, "invalid uCode magic: 0X%x\n", 579 le32_to_cpu(ucode->magic)); 580 return -EINVAL; 581 } 582 583 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 584 memcpy(drv->fw.human_readable, ucode->human_readable, 585 sizeof(drv->fw.human_readable)); 586 build = le32_to_cpu(ucode->build); 587 588 if (build) 589 sprintf(buildstr, " build %u", build); 590 else 591 buildstr[0] = '\0'; 592 593 snprintf(drv->fw.fw_version, 594 sizeof(drv->fw.fw_version), 595 "%u.%u.%u.%u%s %s", 596 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 597 IWL_UCODE_MINOR(drv->fw.ucode_ver), 598 IWL_UCODE_API(drv->fw.ucode_ver), 599 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 600 buildstr, iwl_reduced_fw_name(drv)); 601 602 data = ucode->data; 603 604 len -= sizeof(*ucode); 605 606 while (len >= sizeof(*tlv)) { 607 len -= sizeof(*tlv); 608 tlv = (void *)data; 609 610 tlv_len = le32_to_cpu(tlv->length); 611 tlv_type = le32_to_cpu(tlv->type); 612 tlv_data = tlv->data; 613 614 if (len < tlv_len) { 615 IWL_ERR(drv, "invalid TLV len: %zd/%u\n", 616 len, tlv_len); 617 return -EINVAL; 618 } 619 len -= ALIGN(tlv_len, 4); 620 data += sizeof(*tlv) + ALIGN(tlv_len, 4); 621 622 switch (tlv_type) { 623 case IWL_UCODE_TLV_INST: 624 set_sec_data(pieces, IWL_UCODE_REGULAR, 625 IWL_UCODE_SECTION_INST, tlv_data); 626 set_sec_size(pieces, IWL_UCODE_REGULAR, 627 IWL_UCODE_SECTION_INST, tlv_len); 628 set_sec_offset(pieces, IWL_UCODE_REGULAR, 629 IWL_UCODE_SECTION_INST, 630 IWLAGN_RTC_INST_LOWER_BOUND); 631 break; 632 case IWL_UCODE_TLV_DATA: 633 set_sec_data(pieces, IWL_UCODE_REGULAR, 634 IWL_UCODE_SECTION_DATA, tlv_data); 635 set_sec_size(pieces, IWL_UCODE_REGULAR, 636 IWL_UCODE_SECTION_DATA, tlv_len); 637 set_sec_offset(pieces, IWL_UCODE_REGULAR, 638 IWL_UCODE_SECTION_DATA, 639 IWLAGN_RTC_DATA_LOWER_BOUND); 640 break; 641 case IWL_UCODE_TLV_INIT: 642 set_sec_data(pieces, IWL_UCODE_INIT, 643 IWL_UCODE_SECTION_INST, tlv_data); 644 set_sec_size(pieces, IWL_UCODE_INIT, 645 IWL_UCODE_SECTION_INST, tlv_len); 646 set_sec_offset(pieces, IWL_UCODE_INIT, 647 IWL_UCODE_SECTION_INST, 648 IWLAGN_RTC_INST_LOWER_BOUND); 649 break; 650 case IWL_UCODE_TLV_INIT_DATA: 651 set_sec_data(pieces, IWL_UCODE_INIT, 652 IWL_UCODE_SECTION_DATA, tlv_data); 653 set_sec_size(pieces, IWL_UCODE_INIT, 654 IWL_UCODE_SECTION_DATA, tlv_len); 655 set_sec_offset(pieces, IWL_UCODE_INIT, 656 IWL_UCODE_SECTION_DATA, 657 IWLAGN_RTC_DATA_LOWER_BOUND); 658 break; 659 case IWL_UCODE_TLV_BOOT: 660 IWL_ERR(drv, "Found unexpected BOOT ucode\n"); 661 break; 662 case IWL_UCODE_TLV_PROBE_MAX_LEN: 663 if (tlv_len != sizeof(u32)) 664 goto invalid_tlv_len; 665 capa->max_probe_length = 666 le32_to_cpup((__le32 *)tlv_data); 667 break; 668 case IWL_UCODE_TLV_PAN: 669 if (tlv_len) 670 goto invalid_tlv_len; 671 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; 672 break; 673 case IWL_UCODE_TLV_FLAGS: 674 /* must be at least one u32 */ 675 if (tlv_len < sizeof(u32)) 676 goto invalid_tlv_len; 677 /* and a proper number of u32s */ 678 if (tlv_len % sizeof(u32)) 679 goto invalid_tlv_len; 680 /* 681 * This driver only reads the first u32 as 682 * right now no more features are defined, 683 * if that changes then either the driver 684 * will not work with the new firmware, or 685 * it'll not take advantage of new features. 686 */ 687 capa->flags = le32_to_cpup((__le32 *)tlv_data); 688 break; 689 case IWL_UCODE_TLV_API_CHANGES_SET: 690 if (tlv_len != sizeof(struct iwl_ucode_api)) 691 goto invalid_tlv_len; 692 iwl_set_ucode_api_flags(drv, tlv_data, capa); 693 break; 694 case IWL_UCODE_TLV_ENABLED_CAPABILITIES: 695 if (tlv_len != sizeof(struct iwl_ucode_capa)) 696 goto invalid_tlv_len; 697 iwl_set_ucode_capabilities(drv, tlv_data, capa); 698 break; 699 case IWL_UCODE_TLV_INIT_EVTLOG_PTR: 700 if (tlv_len != sizeof(u32)) 701 goto invalid_tlv_len; 702 pieces->init_evtlog_ptr = 703 le32_to_cpup((__le32 *)tlv_data); 704 break; 705 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: 706 if (tlv_len != sizeof(u32)) 707 goto invalid_tlv_len; 708 pieces->init_evtlog_size = 709 le32_to_cpup((__le32 *)tlv_data); 710 break; 711 case IWL_UCODE_TLV_INIT_ERRLOG_PTR: 712 if (tlv_len != sizeof(u32)) 713 goto invalid_tlv_len; 714 pieces->init_errlog_ptr = 715 le32_to_cpup((__le32 *)tlv_data); 716 break; 717 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: 718 if (tlv_len != sizeof(u32)) 719 goto invalid_tlv_len; 720 pieces->inst_evtlog_ptr = 721 le32_to_cpup((__le32 *)tlv_data); 722 break; 723 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: 724 if (tlv_len != sizeof(u32)) 725 goto invalid_tlv_len; 726 pieces->inst_evtlog_size = 727 le32_to_cpup((__le32 *)tlv_data); 728 break; 729 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: 730 if (tlv_len != sizeof(u32)) 731 goto invalid_tlv_len; 732 pieces->inst_errlog_ptr = 733 le32_to_cpup((__le32 *)tlv_data); 734 break; 735 case IWL_UCODE_TLV_ENHANCE_SENS_TBL: 736 if (tlv_len) 737 goto invalid_tlv_len; 738 drv->fw.enhance_sensitivity_table = true; 739 break; 740 case IWL_UCODE_TLV_WOWLAN_INST: 741 set_sec_data(pieces, IWL_UCODE_WOWLAN, 742 IWL_UCODE_SECTION_INST, tlv_data); 743 set_sec_size(pieces, IWL_UCODE_WOWLAN, 744 IWL_UCODE_SECTION_INST, tlv_len); 745 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 746 IWL_UCODE_SECTION_INST, 747 IWLAGN_RTC_INST_LOWER_BOUND); 748 break; 749 case IWL_UCODE_TLV_WOWLAN_DATA: 750 set_sec_data(pieces, IWL_UCODE_WOWLAN, 751 IWL_UCODE_SECTION_DATA, tlv_data); 752 set_sec_size(pieces, IWL_UCODE_WOWLAN, 753 IWL_UCODE_SECTION_DATA, tlv_len); 754 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 755 IWL_UCODE_SECTION_DATA, 756 IWLAGN_RTC_DATA_LOWER_BOUND); 757 break; 758 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: 759 if (tlv_len != sizeof(u32)) 760 goto invalid_tlv_len; 761 capa->standard_phy_calibration_size = 762 le32_to_cpup((__le32 *)tlv_data); 763 break; 764 case IWL_UCODE_TLV_SEC_RT: 765 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 766 tlv_len); 767 drv->fw.type = IWL_FW_MVM; 768 break; 769 case IWL_UCODE_TLV_SEC_INIT: 770 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 771 tlv_len); 772 drv->fw.type = IWL_FW_MVM; 773 break; 774 case IWL_UCODE_TLV_SEC_WOWLAN: 775 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 776 tlv_len); 777 drv->fw.type = IWL_FW_MVM; 778 break; 779 case IWL_UCODE_TLV_DEF_CALIB: 780 if (tlv_len != sizeof(struct iwl_tlv_calib_data)) 781 goto invalid_tlv_len; 782 if (iwl_set_default_calib(drv, tlv_data)) 783 goto tlv_error; 784 break; 785 case IWL_UCODE_TLV_PHY_SKU: 786 if (tlv_len != sizeof(u32)) 787 goto invalid_tlv_len; 788 drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data); 789 drv->fw.valid_tx_ant = (drv->fw.phy_config & 790 FW_PHY_CFG_TX_CHAIN) >> 791 FW_PHY_CFG_TX_CHAIN_POS; 792 drv->fw.valid_rx_ant = (drv->fw.phy_config & 793 FW_PHY_CFG_RX_CHAIN) >> 794 FW_PHY_CFG_RX_CHAIN_POS; 795 break; 796 case IWL_UCODE_TLV_SECURE_SEC_RT: 797 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 798 tlv_len); 799 drv->fw.type = IWL_FW_MVM; 800 break; 801 case IWL_UCODE_TLV_SECURE_SEC_INIT: 802 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 803 tlv_len); 804 drv->fw.type = IWL_FW_MVM; 805 break; 806 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN: 807 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 808 tlv_len); 809 drv->fw.type = IWL_FW_MVM; 810 break; 811 case IWL_UCODE_TLV_NUM_OF_CPU: 812 if (tlv_len != sizeof(u32)) 813 goto invalid_tlv_len; 814 num_of_cpus = 815 le32_to_cpup((__le32 *)tlv_data); 816 817 if (num_of_cpus == 2) { 818 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus = 819 true; 820 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus = 821 true; 822 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus = 823 true; 824 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) { 825 IWL_ERR(drv, "Driver support upto 2 CPUs\n"); 826 return -EINVAL; 827 } 828 break; 829 case IWL_UCODE_TLV_CSCHEME: 830 if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len)) 831 goto invalid_tlv_len; 832 break; 833 case IWL_UCODE_TLV_N_SCAN_CHANNELS: 834 if (tlv_len != sizeof(u32)) 835 goto invalid_tlv_len; 836 capa->n_scan_channels = 837 le32_to_cpup((__le32 *)tlv_data); 838 break; 839 case IWL_UCODE_TLV_FW_VERSION: { 840 __le32 *ptr = (void *)tlv_data; 841 u32 major, minor; 842 u8 local_comp; 843 844 if (tlv_len != sizeof(u32) * 3) 845 goto invalid_tlv_len; 846 847 major = le32_to_cpup(ptr++); 848 minor = le32_to_cpup(ptr++); 849 local_comp = le32_to_cpup(ptr); 850 851 if (major >= 35) 852 snprintf(drv->fw.fw_version, 853 sizeof(drv->fw.fw_version), 854 "%u.%08x.%u %s", major, minor, 855 local_comp, iwl_reduced_fw_name(drv)); 856 else 857 snprintf(drv->fw.fw_version, 858 sizeof(drv->fw.fw_version), 859 "%u.%u.%u %s", major, minor, 860 local_comp, iwl_reduced_fw_name(drv)); 861 break; 862 } 863 case IWL_UCODE_TLV_FW_DBG_DEST: { 864 struct iwl_fw_dbg_dest_tlv *dest = NULL; 865 struct iwl_fw_dbg_dest_tlv_v1 *dest_v1 = NULL; 866 u8 mon_mode; 867 868 pieces->dbg_dest_ver = (u8 *)tlv_data; 869 if (*pieces->dbg_dest_ver == 1) { 870 dest = (void *)tlv_data; 871 } else if (*pieces->dbg_dest_ver == 0) { 872 dest_v1 = (void *)tlv_data; 873 } else { 874 IWL_ERR(drv, 875 "The version is %d, and it is invalid\n", 876 *pieces->dbg_dest_ver); 877 break; 878 } 879 880 if (pieces->dbg_dest_tlv_init) { 881 IWL_ERR(drv, 882 "dbg destination ignored, already exists\n"); 883 break; 884 } 885 886 pieces->dbg_dest_tlv_init = true; 887 888 if (dest_v1) { 889 pieces->dbg_dest_tlv_v1 = dest_v1; 890 mon_mode = dest_v1->monitor_mode; 891 } else { 892 pieces->dbg_dest_tlv = dest; 893 mon_mode = dest->monitor_mode; 894 } 895 896 IWL_INFO(drv, "Found debug destination: %s\n", 897 get_fw_dbg_mode_string(mon_mode)); 898 899 drv->fw.dbg.n_dest_reg = (dest_v1) ? 900 tlv_len - 901 offsetof(struct iwl_fw_dbg_dest_tlv_v1, 902 reg_ops) : 903 tlv_len - 904 offsetof(struct iwl_fw_dbg_dest_tlv, 905 reg_ops); 906 907 drv->fw.dbg.n_dest_reg /= 908 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]); 909 910 break; 911 } 912 case IWL_UCODE_TLV_FW_DBG_CONF: { 913 struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data; 914 915 if (!pieces->dbg_dest_tlv_init) { 916 IWL_ERR(drv, 917 "Ignore dbg config %d - no destination configured\n", 918 conf->id); 919 break; 920 } 921 922 if (conf->id >= ARRAY_SIZE(drv->fw.dbg.conf_tlv)) { 923 IWL_ERR(drv, 924 "Skip unknown configuration: %d\n", 925 conf->id); 926 break; 927 } 928 929 if (pieces->dbg_conf_tlv[conf->id]) { 930 IWL_ERR(drv, 931 "Ignore duplicate dbg config %d\n", 932 conf->id); 933 break; 934 } 935 936 if (conf->usniffer) 937 usniffer_req = true; 938 939 IWL_INFO(drv, "Found debug configuration: %d\n", 940 conf->id); 941 942 pieces->dbg_conf_tlv[conf->id] = conf; 943 pieces->dbg_conf_tlv_len[conf->id] = tlv_len; 944 break; 945 } 946 case IWL_UCODE_TLV_FW_DBG_TRIGGER: { 947 struct iwl_fw_dbg_trigger_tlv *trigger = 948 (void *)tlv_data; 949 u32 trigger_id = le32_to_cpu(trigger->id); 950 951 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg.trigger_tlv)) { 952 IWL_ERR(drv, 953 "Skip unknown trigger: %u\n", 954 trigger->id); 955 break; 956 } 957 958 if (pieces->dbg_trigger_tlv[trigger_id]) { 959 IWL_ERR(drv, 960 "Ignore duplicate dbg trigger %u\n", 961 trigger->id); 962 break; 963 } 964 965 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id); 966 967 pieces->dbg_trigger_tlv[trigger_id] = trigger; 968 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len; 969 break; 970 } 971 case IWL_UCODE_TLV_FW_DBG_DUMP_LST: { 972 if (tlv_len != sizeof(u32)) { 973 IWL_ERR(drv, 974 "dbg lst mask size incorrect, skip\n"); 975 break; 976 } 977 978 drv->fw.dbg.dump_mask = 979 le32_to_cpup((__le32 *)tlv_data); 980 break; 981 } 982 case IWL_UCODE_TLV_SEC_RT_USNIFFER: 983 *usniffer_images = true; 984 iwl_store_ucode_sec(pieces, tlv_data, 985 IWL_UCODE_REGULAR_USNIFFER, 986 tlv_len); 987 break; 988 case IWL_UCODE_TLV_PAGING: 989 if (tlv_len != sizeof(u32)) 990 goto invalid_tlv_len; 991 paging_mem_size = le32_to_cpup((__le32 *)tlv_data); 992 993 IWL_DEBUG_FW(drv, 994 "Paging: paging enabled (size = %u bytes)\n", 995 paging_mem_size); 996 997 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) { 998 IWL_ERR(drv, 999 "Paging: driver supports up to %lu bytes for paging image\n", 1000 MAX_PAGING_IMAGE_SIZE); 1001 return -EINVAL; 1002 } 1003 1004 if (paging_mem_size & (FW_PAGING_SIZE - 1)) { 1005 IWL_ERR(drv, 1006 "Paging: image isn't multiple %lu\n", 1007 FW_PAGING_SIZE); 1008 return -EINVAL; 1009 } 1010 1011 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size = 1012 paging_mem_size; 1013 usniffer_img = IWL_UCODE_REGULAR_USNIFFER; 1014 drv->fw.img[usniffer_img].paging_mem_size = 1015 paging_mem_size; 1016 break; 1017 case IWL_UCODE_TLV_FW_GSCAN_CAPA: 1018 /* ignored */ 1019 break; 1020 case IWL_UCODE_TLV_FW_MEM_SEG: { 1021 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem = 1022 (void *)tlv_data; 1023 size_t size; 1024 struct iwl_fw_dbg_mem_seg_tlv *n; 1025 1026 if (tlv_len != (sizeof(*dbg_mem))) 1027 goto invalid_tlv_len; 1028 1029 IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n", 1030 dbg_mem->data_type); 1031 1032 size = sizeof(*pieces->dbg_mem_tlv) * 1033 (pieces->n_mem_tlv + 1); 1034 n = krealloc(pieces->dbg_mem_tlv, size, GFP_KERNEL); 1035 if (!n) 1036 return -ENOMEM; 1037 pieces->dbg_mem_tlv = n; 1038 pieces->dbg_mem_tlv[pieces->n_mem_tlv] = *dbg_mem; 1039 pieces->n_mem_tlv++; 1040 break; 1041 } 1042 case IWL_UCODE_TLV_IML: { 1043 drv->fw.iml_len = tlv_len; 1044 drv->fw.iml = kmemdup(tlv_data, tlv_len, GFP_KERNEL); 1045 if (!drv->fw.iml) 1046 return -ENOMEM; 1047 break; 1048 } 1049 case IWL_UCODE_TLV_FW_RECOVERY_INFO: { 1050 struct { 1051 __le32 buf_addr; 1052 __le32 buf_size; 1053 } *recov_info = (void *)tlv_data; 1054 1055 if (tlv_len != sizeof(*recov_info)) 1056 goto invalid_tlv_len; 1057 capa->error_log_addr = 1058 le32_to_cpu(recov_info->buf_addr); 1059 capa->error_log_size = 1060 le32_to_cpu(recov_info->buf_size); 1061 } 1062 break; 1063 case IWL_UCODE_TLV_FW_FSEQ_VERSION: { 1064 struct { 1065 u8 version[32]; 1066 u8 sha1[20]; 1067 } *fseq_ver = (void *)tlv_data; 1068 1069 if (tlv_len != sizeof(*fseq_ver)) 1070 goto invalid_tlv_len; 1071 IWL_INFO(drv, "TLV_FW_FSEQ_VERSION: %s\n", 1072 fseq_ver->version); 1073 } 1074 break; 1075 case IWL_UCODE_TLV_FW_NUM_STATIONS: 1076 if (tlv_len != sizeof(u32)) 1077 goto invalid_tlv_len; 1078 if (le32_to_cpup((__le32 *)tlv_data) > 1079 IWL_MVM_STATION_COUNT_MAX) { 1080 IWL_ERR(drv, 1081 "%d is an invalid number of station\n", 1082 le32_to_cpup((__le32 *)tlv_data)); 1083 goto tlv_error; 1084 } 1085 capa->num_stations = 1086 le32_to_cpup((__le32 *)tlv_data); 1087 break; 1088 case IWL_UCODE_TLV_UMAC_DEBUG_ADDRS: { 1089 struct iwl_umac_debug_addrs *dbg_ptrs = 1090 (void *)tlv_data; 1091 1092 if (tlv_len != sizeof(*dbg_ptrs)) 1093 goto invalid_tlv_len; 1094 if (drv->trans->trans_cfg->device_family < 1095 IWL_DEVICE_FAMILY_22000) 1096 break; 1097 drv->trans->dbg.umac_error_event_table = 1098 le32_to_cpu(dbg_ptrs->error_info_addr) & 1099 ~FW_ADDR_CACHE_CONTROL; 1100 drv->trans->dbg.error_event_table_tlv_status |= 1101 IWL_ERROR_EVENT_TABLE_UMAC; 1102 break; 1103 } 1104 case IWL_UCODE_TLV_LMAC_DEBUG_ADDRS: { 1105 struct iwl_lmac_debug_addrs *dbg_ptrs = 1106 (void *)tlv_data; 1107 1108 if (tlv_len != sizeof(*dbg_ptrs)) 1109 goto invalid_tlv_len; 1110 if (drv->trans->trans_cfg->device_family < 1111 IWL_DEVICE_FAMILY_22000) 1112 break; 1113 drv->trans->dbg.lmac_error_event_table[0] = 1114 le32_to_cpu(dbg_ptrs->error_event_table_ptr) & 1115 ~FW_ADDR_CACHE_CONTROL; 1116 drv->trans->dbg.error_event_table_tlv_status |= 1117 IWL_ERROR_EVENT_TABLE_LMAC1; 1118 break; 1119 } 1120 case IWL_UCODE_TLV_TYPE_DEBUG_INFO: 1121 case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION: 1122 case IWL_UCODE_TLV_TYPE_HCMD: 1123 case IWL_UCODE_TLV_TYPE_REGIONS: 1124 case IWL_UCODE_TLV_TYPE_TRIGGERS: 1125 if (iwlwifi_mod_params.enable_ini) 1126 iwl_dbg_tlv_alloc(drv->trans, tlv, false); 1127 break; 1128 case IWL_UCODE_TLV_CMD_VERSIONS: 1129 if (tlv_len % sizeof(struct iwl_fw_cmd_version)) { 1130 IWL_ERR(drv, 1131 "Invalid length for command versions: %u\n", 1132 tlv_len); 1133 tlv_len /= sizeof(struct iwl_fw_cmd_version); 1134 tlv_len *= sizeof(struct iwl_fw_cmd_version); 1135 } 1136 if (WARN_ON(capa->cmd_versions)) 1137 return -EINVAL; 1138 capa->cmd_versions = kmemdup(tlv_data, tlv_len, 1139 GFP_KERNEL); 1140 if (!capa->cmd_versions) 1141 return -ENOMEM; 1142 capa->n_cmd_versions = 1143 tlv_len / sizeof(struct iwl_fw_cmd_version); 1144 break; 1145 case IWL_UCODE_TLV_PHY_INTEGRATION_VERSION: 1146 if (drv->fw.phy_integration_ver) { 1147 IWL_ERR(drv, 1148 "phy integration str ignored, already exists\n"); 1149 break; 1150 } 1151 1152 drv->fw.phy_integration_ver = 1153 kmemdup(tlv_data, tlv_len, GFP_KERNEL); 1154 if (!drv->fw.phy_integration_ver) 1155 return -ENOMEM; 1156 drv->fw.phy_integration_ver_len = tlv_len; 1157 break; 1158 default: 1159 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); 1160 break; 1161 } 1162 } 1163 1164 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) && 1165 usniffer_req && !*usniffer_images) { 1166 IWL_ERR(drv, 1167 "user selected to work with usniffer but usniffer image isn't available in ucode package\n"); 1168 return -EINVAL; 1169 } 1170 1171 if (len) { 1172 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); 1173 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len); 1174 return -EINVAL; 1175 } 1176 1177 return 0; 1178 1179 invalid_tlv_len: 1180 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); 1181 tlv_error: 1182 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); 1183 1184 return -EINVAL; 1185 } 1186 1187 static int iwl_alloc_ucode(struct iwl_drv *drv, 1188 struct iwl_firmware_pieces *pieces, 1189 enum iwl_ucode_type type) 1190 { 1191 int i; 1192 struct fw_desc *sec; 1193 1194 sec = kcalloc(pieces->img[type].sec_counter, sizeof(*sec), GFP_KERNEL); 1195 if (!sec) 1196 return -ENOMEM; 1197 drv->fw.img[type].sec = sec; 1198 drv->fw.img[type].num_sec = pieces->img[type].sec_counter; 1199 1200 for (i = 0; i < pieces->img[type].sec_counter; i++) 1201 if (iwl_alloc_fw_desc(drv, &sec[i], get_sec(pieces, type, i))) 1202 return -ENOMEM; 1203 1204 return 0; 1205 } 1206 1207 static int validate_sec_sizes(struct iwl_drv *drv, 1208 struct iwl_firmware_pieces *pieces, 1209 const struct iwl_cfg *cfg) 1210 { 1211 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %zd\n", 1212 get_sec_size(pieces, IWL_UCODE_REGULAR, 1213 IWL_UCODE_SECTION_INST)); 1214 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %zd\n", 1215 get_sec_size(pieces, IWL_UCODE_REGULAR, 1216 IWL_UCODE_SECTION_DATA)); 1217 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %zd\n", 1218 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); 1219 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %zd\n", 1220 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); 1221 1222 /* Verify that uCode images will fit in card's SRAM. */ 1223 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > 1224 cfg->max_inst_size) { 1225 IWL_ERR(drv, "uCode instr len %zd too large to fit in\n", 1226 get_sec_size(pieces, IWL_UCODE_REGULAR, 1227 IWL_UCODE_SECTION_INST)); 1228 return -1; 1229 } 1230 1231 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > 1232 cfg->max_data_size) { 1233 IWL_ERR(drv, "uCode data len %zd too large to fit in\n", 1234 get_sec_size(pieces, IWL_UCODE_REGULAR, 1235 IWL_UCODE_SECTION_DATA)); 1236 return -1; 1237 } 1238 1239 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > 1240 cfg->max_inst_size) { 1241 IWL_ERR(drv, "uCode init instr len %zd too large to fit in\n", 1242 get_sec_size(pieces, IWL_UCODE_INIT, 1243 IWL_UCODE_SECTION_INST)); 1244 return -1; 1245 } 1246 1247 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > 1248 cfg->max_data_size) { 1249 IWL_ERR(drv, "uCode init data len %zd too large to fit in\n", 1250 get_sec_size(pieces, IWL_UCODE_REGULAR, 1251 IWL_UCODE_SECTION_DATA)); 1252 return -1; 1253 } 1254 return 0; 1255 } 1256 1257 static struct iwl_op_mode * 1258 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op) 1259 { 1260 const struct iwl_op_mode_ops *ops = op->ops; 1261 struct dentry *dbgfs_dir = NULL; 1262 struct iwl_op_mode *op_mode = NULL; 1263 1264 #ifdef CONFIG_IWLWIFI_DEBUGFS 1265 drv->dbgfs_op_mode = debugfs_create_dir(op->name, 1266 drv->dbgfs_drv); 1267 dbgfs_dir = drv->dbgfs_op_mode; 1268 #endif 1269 1270 op_mode = ops->start(drv->trans, drv->trans->cfg, &drv->fw, dbgfs_dir); 1271 1272 #ifdef CONFIG_IWLWIFI_DEBUGFS 1273 if (!op_mode) { 1274 debugfs_remove_recursive(drv->dbgfs_op_mode); 1275 drv->dbgfs_op_mode = NULL; 1276 } 1277 #endif 1278 1279 return op_mode; 1280 } 1281 1282 static void _iwl_op_mode_stop(struct iwl_drv *drv) 1283 { 1284 /* op_mode can be NULL if its start failed */ 1285 if (drv->op_mode) { 1286 iwl_op_mode_stop(drv->op_mode); 1287 drv->op_mode = NULL; 1288 1289 #ifdef CONFIG_IWLWIFI_DEBUGFS 1290 debugfs_remove_recursive(drv->dbgfs_op_mode); 1291 drv->dbgfs_op_mode = NULL; 1292 #endif 1293 } 1294 } 1295 1296 /* 1297 * iwl_req_fw_callback - callback when firmware was loaded 1298 * 1299 * If loaded successfully, copies the firmware into buffers 1300 * for the card to fetch (via DMA). 1301 */ 1302 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) 1303 { 1304 struct iwl_drv *drv = context; 1305 struct iwl_fw *fw = &drv->fw; 1306 struct iwl_ucode_header *ucode; 1307 struct iwlwifi_opmode_table *op; 1308 int err; 1309 struct iwl_firmware_pieces *pieces; 1310 const unsigned int api_max = drv->trans->cfg->ucode_api_max; 1311 const unsigned int api_min = drv->trans->cfg->ucode_api_min; 1312 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX]; 1313 u32 api_ver; 1314 int i; 1315 bool load_module = false; 1316 bool usniffer_images = false; 1317 1318 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH; 1319 fw->ucode_capa.standard_phy_calibration_size = 1320 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1321 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS; 1322 fw->ucode_capa.num_stations = IWL_MVM_STATION_COUNT_MAX; 1323 /* dump all fw memory areas by default */ 1324 fw->dbg.dump_mask = 0xffffffff; 1325 1326 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL); 1327 if (!pieces) 1328 goto out_free_fw; 1329 1330 if (!ucode_raw) 1331 goto try_again; 1332 1333 IWL_DEBUG_FW_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n", 1334 drv->firmware_name, ucode_raw->size); 1335 1336 /* Make sure that we got at least the API version number */ 1337 if (ucode_raw->size < 4) { 1338 IWL_ERR(drv, "File size way too small!\n"); 1339 goto try_again; 1340 } 1341 1342 /* Data from ucode file: header followed by uCode images */ 1343 ucode = (struct iwl_ucode_header *)ucode_raw->data; 1344 1345 if (ucode->ver) 1346 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces); 1347 else 1348 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces, 1349 &fw->ucode_capa, &usniffer_images); 1350 1351 if (err) 1352 goto try_again; 1353 1354 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION)) 1355 api_ver = drv->fw.ucode_ver; 1356 else 1357 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 1358 1359 /* 1360 * api_ver should match the api version forming part of the 1361 * firmware filename ... but we don't check for that and only rely 1362 * on the API version read from firmware header from here on forward 1363 */ 1364 if (api_ver < api_min || api_ver > api_max) { 1365 IWL_ERR(drv, 1366 "Driver unable to support your firmware API. " 1367 "Driver supports v%u, firmware is v%u.\n", 1368 api_max, api_ver); 1369 goto try_again; 1370 } 1371 1372 /* 1373 * In mvm uCode there is no difference between data and instructions 1374 * sections. 1375 */ 1376 if (fw->type == IWL_FW_DVM && validate_sec_sizes(drv, pieces, 1377 drv->trans->cfg)) 1378 goto try_again; 1379 1380 /* Allocate ucode buffers for card's bus-master loading ... */ 1381 1382 /* Runtime instructions and 2 copies of data: 1383 * 1) unmodified from disk 1384 * 2) backup cache for save/restore during power-downs 1385 */ 1386 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 1387 if (iwl_alloc_ucode(drv, pieces, i)) 1388 goto out_free_fw; 1389 1390 if (pieces->dbg_dest_tlv_init) { 1391 size_t dbg_dest_size = sizeof(*drv->fw.dbg.dest_tlv) + 1392 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * 1393 drv->fw.dbg.n_dest_reg; 1394 1395 drv->fw.dbg.dest_tlv = kmalloc(dbg_dest_size, GFP_KERNEL); 1396 1397 if (!drv->fw.dbg.dest_tlv) 1398 goto out_free_fw; 1399 1400 if (*pieces->dbg_dest_ver == 0) { 1401 memcpy(drv->fw.dbg.dest_tlv, pieces->dbg_dest_tlv_v1, 1402 dbg_dest_size); 1403 } else { 1404 struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv = 1405 drv->fw.dbg.dest_tlv; 1406 1407 dest_tlv->version = pieces->dbg_dest_tlv->version; 1408 dest_tlv->monitor_mode = 1409 pieces->dbg_dest_tlv->monitor_mode; 1410 dest_tlv->size_power = 1411 pieces->dbg_dest_tlv->size_power; 1412 dest_tlv->wrap_count = 1413 pieces->dbg_dest_tlv->wrap_count; 1414 dest_tlv->write_ptr_reg = 1415 pieces->dbg_dest_tlv->write_ptr_reg; 1416 dest_tlv->base_shift = 1417 pieces->dbg_dest_tlv->base_shift; 1418 memcpy(dest_tlv->reg_ops, 1419 pieces->dbg_dest_tlv->reg_ops, 1420 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * 1421 drv->fw.dbg.n_dest_reg); 1422 1423 /* In version 1 of the destination tlv, which is 1424 * relevant for internal buffer exclusively, 1425 * the base address is part of given with the length 1426 * of the buffer, and the size shift is give instead of 1427 * end shift. We now store these values in base_reg, 1428 * and end shift, and when dumping the data we'll 1429 * manipulate it for extracting both the length and 1430 * base address */ 1431 dest_tlv->base_reg = pieces->dbg_dest_tlv->cfg_reg; 1432 dest_tlv->end_shift = 1433 pieces->dbg_dest_tlv->size_shift; 1434 } 1435 } 1436 1437 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) { 1438 if (pieces->dbg_conf_tlv[i]) { 1439 drv->fw.dbg.conf_tlv[i] = 1440 kmemdup(pieces->dbg_conf_tlv[i], 1441 pieces->dbg_conf_tlv_len[i], 1442 GFP_KERNEL); 1443 if (!drv->fw.dbg.conf_tlv[i]) 1444 goto out_free_fw; 1445 } 1446 } 1447 1448 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz)); 1449 1450 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] = 1451 sizeof(struct iwl_fw_dbg_trigger_missed_bcon); 1452 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0; 1453 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] = 1454 sizeof(struct iwl_fw_dbg_trigger_cmd); 1455 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] = 1456 sizeof(struct iwl_fw_dbg_trigger_mlme); 1457 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] = 1458 sizeof(struct iwl_fw_dbg_trigger_stats); 1459 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] = 1460 sizeof(struct iwl_fw_dbg_trigger_low_rssi); 1461 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] = 1462 sizeof(struct iwl_fw_dbg_trigger_txq_timer); 1463 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] = 1464 sizeof(struct iwl_fw_dbg_trigger_time_event); 1465 trigger_tlv_sz[FW_DBG_TRIGGER_BA] = 1466 sizeof(struct iwl_fw_dbg_trigger_ba); 1467 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] = 1468 sizeof(struct iwl_fw_dbg_trigger_tdls); 1469 1470 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) { 1471 if (pieces->dbg_trigger_tlv[i]) { 1472 /* 1473 * If the trigger isn't long enough, WARN and exit. 1474 * Someone is trying to debug something and he won't 1475 * be able to catch the bug he is trying to chase. 1476 * We'd better be noisy to be sure he knows what's 1477 * going on. 1478 */ 1479 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] < 1480 (trigger_tlv_sz[i] + 1481 sizeof(struct iwl_fw_dbg_trigger_tlv)))) 1482 goto out_free_fw; 1483 drv->fw.dbg.trigger_tlv_len[i] = 1484 pieces->dbg_trigger_tlv_len[i]; 1485 drv->fw.dbg.trigger_tlv[i] = 1486 kmemdup(pieces->dbg_trigger_tlv[i], 1487 drv->fw.dbg.trigger_tlv_len[i], 1488 GFP_KERNEL); 1489 if (!drv->fw.dbg.trigger_tlv[i]) 1490 goto out_free_fw; 1491 } 1492 } 1493 1494 /* Now that we can no longer fail, copy information */ 1495 1496 drv->fw.dbg.mem_tlv = pieces->dbg_mem_tlv; 1497 pieces->dbg_mem_tlv = NULL; 1498 drv->fw.dbg.n_mem_tlv = pieces->n_mem_tlv; 1499 1500 /* 1501 * The (size - 16) / 12 formula is based on the information recorded 1502 * for each event, which is of mode 1 (including timestamp) for all 1503 * new microcodes that include this information. 1504 */ 1505 fw->init_evtlog_ptr = pieces->init_evtlog_ptr; 1506 if (pieces->init_evtlog_size) 1507 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12; 1508 else 1509 fw->init_evtlog_size = 1510 drv->trans->trans_cfg->base_params->max_event_log_size; 1511 fw->init_errlog_ptr = pieces->init_errlog_ptr; 1512 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr; 1513 if (pieces->inst_evtlog_size) 1514 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12; 1515 else 1516 fw->inst_evtlog_size = 1517 drv->trans->trans_cfg->base_params->max_event_log_size; 1518 fw->inst_errlog_ptr = pieces->inst_errlog_ptr; 1519 1520 /* 1521 * figure out the offset of chain noise reset and gain commands 1522 * base on the size of standard phy calibration commands table size 1523 */ 1524 if (fw->ucode_capa.standard_phy_calibration_size > 1525 IWL_MAX_PHY_CALIBRATE_TBL_SIZE) 1526 fw->ucode_capa.standard_phy_calibration_size = 1527 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1528 1529 /* We have our copies now, allow OS release its copies */ 1530 release_firmware(ucode_raw); 1531 1532 mutex_lock(&iwlwifi_opmode_table_mtx); 1533 switch (fw->type) { 1534 case IWL_FW_DVM: 1535 op = &iwlwifi_opmode_table[DVM_OP_MODE]; 1536 break; 1537 default: 1538 WARN(1, "Invalid fw type %d\n", fw->type); 1539 fallthrough; 1540 case IWL_FW_MVM: 1541 op = &iwlwifi_opmode_table[MVM_OP_MODE]; 1542 break; 1543 } 1544 1545 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n", 1546 drv->fw.fw_version, op->name); 1547 1548 iwl_dbg_tlv_load_bin(drv->trans->dev, drv->trans); 1549 1550 /* add this device to the list of devices using this op_mode */ 1551 list_add_tail(&drv->list, &op->drv); 1552 1553 if (op->ops) { 1554 drv->op_mode = _iwl_op_mode_start(drv, op); 1555 1556 if (!drv->op_mode) { 1557 mutex_unlock(&iwlwifi_opmode_table_mtx); 1558 goto out_unbind; 1559 } 1560 } else { 1561 load_module = true; 1562 } 1563 mutex_unlock(&iwlwifi_opmode_table_mtx); 1564 1565 /* 1566 * Complete the firmware request last so that 1567 * a driver unbind (stop) doesn't run while we 1568 * are doing the start() above. 1569 */ 1570 complete(&drv->request_firmware_complete); 1571 1572 /* 1573 * Load the module last so we don't block anything 1574 * else from proceeding if the module fails to load 1575 * or hangs loading. 1576 */ 1577 if (load_module) { 1578 request_module("%s", op->name); 1579 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR 1580 if (err) 1581 IWL_ERR(drv, 1582 "failed to load module %s (error %d), is dynamic loading enabled?\n", 1583 op->name, err); 1584 #endif 1585 } 1586 goto free; 1587 1588 try_again: 1589 /* try next, if any */ 1590 release_firmware(ucode_raw); 1591 if (iwl_request_firmware(drv, false)) 1592 goto out_unbind; 1593 goto free; 1594 1595 out_free_fw: 1596 release_firmware(ucode_raw); 1597 out_unbind: 1598 complete(&drv->request_firmware_complete); 1599 device_release_driver(drv->trans->dev); 1600 free: 1601 if (pieces) { 1602 for (i = 0; i < ARRAY_SIZE(pieces->img); i++) 1603 kfree(pieces->img[i].sec); 1604 kfree(pieces->dbg_mem_tlv); 1605 kfree(pieces); 1606 } 1607 } 1608 1609 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans) 1610 { 1611 struct iwl_drv *drv; 1612 int ret; 1613 1614 drv = kzalloc(sizeof(*drv), GFP_KERNEL); 1615 if (!drv) { 1616 ret = -ENOMEM; 1617 goto err; 1618 } 1619 1620 drv->trans = trans; 1621 drv->dev = trans->dev; 1622 1623 init_completion(&drv->request_firmware_complete); 1624 INIT_LIST_HEAD(&drv->list); 1625 1626 #ifdef CONFIG_IWLWIFI_DEBUGFS 1627 /* Create the device debugfs entries. */ 1628 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev), 1629 iwl_dbgfs_root); 1630 1631 /* Create transport layer debugfs dir */ 1632 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv); 1633 #endif 1634 1635 drv->trans->dbg.domains_bitmap = IWL_TRANS_FW_DBG_DOMAIN(drv->trans); 1636 1637 ret = iwl_request_firmware(drv, true); 1638 if (ret) { 1639 IWL_ERR(trans, "Couldn't request the fw\n"); 1640 goto err_fw; 1641 } 1642 1643 return drv; 1644 1645 err_fw: 1646 #ifdef CONFIG_IWLWIFI_DEBUGFS 1647 debugfs_remove_recursive(drv->dbgfs_drv); 1648 iwl_dbg_tlv_free(drv->trans); 1649 #endif 1650 kfree(drv); 1651 err: 1652 return ERR_PTR(ret); 1653 } 1654 1655 void iwl_drv_stop(struct iwl_drv *drv) 1656 { 1657 wait_for_completion(&drv->request_firmware_complete); 1658 1659 _iwl_op_mode_stop(drv); 1660 1661 iwl_dealloc_ucode(drv); 1662 1663 mutex_lock(&iwlwifi_opmode_table_mtx); 1664 /* 1665 * List is empty (this item wasn't added) 1666 * when firmware loading failed -- in that 1667 * case we can't remove it from any list. 1668 */ 1669 if (!list_empty(&drv->list)) 1670 list_del(&drv->list); 1671 mutex_unlock(&iwlwifi_opmode_table_mtx); 1672 1673 #ifdef CONFIG_IWLWIFI_DEBUGFS 1674 drv->trans->ops->debugfs_cleanup(drv->trans); 1675 1676 debugfs_remove_recursive(drv->dbgfs_drv); 1677 #endif 1678 1679 iwl_dbg_tlv_free(drv->trans); 1680 1681 kfree(drv); 1682 } 1683 1684 1685 /* shared module parameters */ 1686 struct iwl_mod_params iwlwifi_mod_params = { 1687 .fw_restart = true, 1688 .bt_coex_active = true, 1689 .power_level = IWL_POWER_INDEX_1, 1690 .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT, 1691 .enable_ini = true, 1692 /* the rest are 0 by default */ 1693 }; 1694 IWL_EXPORT_SYMBOL(iwlwifi_mod_params); 1695 1696 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops) 1697 { 1698 int i; 1699 struct iwl_drv *drv; 1700 struct iwlwifi_opmode_table *op; 1701 1702 mutex_lock(&iwlwifi_opmode_table_mtx); 1703 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1704 op = &iwlwifi_opmode_table[i]; 1705 if (strcmp(op->name, name)) 1706 continue; 1707 op->ops = ops; 1708 /* TODO: need to handle exceptional case */ 1709 list_for_each_entry(drv, &op->drv, list) 1710 drv->op_mode = _iwl_op_mode_start(drv, op); 1711 1712 mutex_unlock(&iwlwifi_opmode_table_mtx); 1713 return 0; 1714 } 1715 mutex_unlock(&iwlwifi_opmode_table_mtx); 1716 return -EIO; 1717 } 1718 IWL_EXPORT_SYMBOL(iwl_opmode_register); 1719 1720 void iwl_opmode_deregister(const char *name) 1721 { 1722 int i; 1723 struct iwl_drv *drv; 1724 1725 mutex_lock(&iwlwifi_opmode_table_mtx); 1726 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1727 if (strcmp(iwlwifi_opmode_table[i].name, name)) 1728 continue; 1729 iwlwifi_opmode_table[i].ops = NULL; 1730 1731 /* call the stop routine for all devices */ 1732 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list) 1733 _iwl_op_mode_stop(drv); 1734 1735 mutex_unlock(&iwlwifi_opmode_table_mtx); 1736 return; 1737 } 1738 mutex_unlock(&iwlwifi_opmode_table_mtx); 1739 } 1740 IWL_EXPORT_SYMBOL(iwl_opmode_deregister); 1741 1742 static int __init iwl_drv_init(void) 1743 { 1744 int i, err; 1745 1746 mutex_init(&iwlwifi_opmode_table_mtx); 1747 1748 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) 1749 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv); 1750 1751 pr_info(DRV_DESCRIPTION "\n"); 1752 1753 #ifdef CONFIG_IWLWIFI_DEBUGFS 1754 /* Create the root of iwlwifi debugfs subsystem. */ 1755 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL); 1756 #endif 1757 1758 err = iwl_pci_register_driver(); 1759 if (err) 1760 goto cleanup_debugfs; 1761 1762 return 0; 1763 1764 cleanup_debugfs: 1765 #ifdef CONFIG_IWLWIFI_DEBUGFS 1766 debugfs_remove_recursive(iwl_dbgfs_root); 1767 #endif 1768 return err; 1769 } 1770 module_init(iwl_drv_init); 1771 1772 static void __exit iwl_drv_exit(void) 1773 { 1774 iwl_pci_unregister_driver(); 1775 1776 #ifdef CONFIG_IWLWIFI_DEBUGFS 1777 debugfs_remove_recursive(iwl_dbgfs_root); 1778 #endif 1779 } 1780 module_exit(iwl_drv_exit); 1781 1782 #ifdef CONFIG_IWLWIFI_DEBUG 1783 module_param_named(debug, iwlwifi_mod_params.debug_level, uint, 0644); 1784 MODULE_PARM_DESC(debug, "debug output mask"); 1785 #endif 1786 1787 module_param_named(swcrypto, iwlwifi_mod_params.swcrypto, int, 0444); 1788 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); 1789 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, 0444); 1790 MODULE_PARM_DESC(11n_disable, 1791 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX"); 1792 module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, int, 0444); 1793 MODULE_PARM_DESC(amsdu_size, 1794 "amsdu size 0: 12K for multi Rx queue devices, 2K for AX210 devices, " 1795 "4K for other devices 1:4K 2:8K 3:12K (16K buffers) 4: 2K (default 0)"); 1796 module_param_named(fw_restart, iwlwifi_mod_params.fw_restart, bool, 0444); 1797 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)"); 1798 1799 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, 0444); 1800 MODULE_PARM_DESC(nvm_file, "NVM file name"); 1801 1802 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, uint, 0644); 1803 MODULE_PARM_DESC(uapsd_disable, 1804 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)"); 1805 module_param_named(enable_ini, iwlwifi_mod_params.enable_ini, 1806 bool, S_IRUGO | S_IWUSR); 1807 MODULE_PARM_DESC(enable_ini, 1808 "Enable debug INI TLV FW debug infrastructure (default: true"); 1809 1810 /* 1811 * set bt_coex_active to true, uCode will do kill/defer 1812 * every time the priority line is asserted (BT is sending signals on the 1813 * priority line in the PCIx). 1814 * set bt_coex_active to false, uCode will ignore the BT activity and 1815 * perform the normal operation 1816 * 1817 * User might experience transmit issue on some platform due to WiFi/BT 1818 * co-exist problem. The possible behaviors are: 1819 * Able to scan and finding all the available AP 1820 * Not able to associate with any AP 1821 * On those platforms, WiFi communication can be restored by set 1822 * "bt_coex_active" module parameter to "false" 1823 * 1824 * default: bt_coex_active = true (BT_COEX_ENABLE) 1825 */ 1826 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active, 1827 bool, 0444); 1828 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); 1829 1830 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, 0444); 1831 MODULE_PARM_DESC(led_mode, "0=system default, " 1832 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); 1833 1834 module_param_named(power_save, iwlwifi_mod_params.power_save, bool, 0444); 1835 MODULE_PARM_DESC(power_save, 1836 "enable WiFi power management (default: disable)"); 1837 1838 module_param_named(power_level, iwlwifi_mod_params.power_level, int, 0444); 1839 MODULE_PARM_DESC(power_level, 1840 "default power save level (range from 1 - 5, default: 1)"); 1841 1842 module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, 0444); 1843 MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)"); 1844 1845 module_param_named(remove_when_gone, 1846 iwlwifi_mod_params.remove_when_gone, bool, 1847 0444); 1848 MODULE_PARM_DESC(remove_when_gone, 1849 "Remove dev from PCIe bus if it is deemed inaccessible (default: false)"); 1850 1851 module_param_named(disable_11ax, iwlwifi_mod_params.disable_11ax, bool, 1852 S_IRUGO); 1853 MODULE_PARM_DESC(disable_11ax, "Disable HE capabilities (default: false)"); 1854