1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause 2 /* 3 * Copyright (C) 2005-2014, 2018-2020 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 #define FW_ADDR_CACHE_CONTROL 0xC0000000 554 555 static int iwl_parse_tlv_firmware(struct iwl_drv *drv, 556 const struct firmware *ucode_raw, 557 struct iwl_firmware_pieces *pieces, 558 struct iwl_ucode_capabilities *capa, 559 bool *usniffer_images) 560 { 561 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; 562 const struct iwl_ucode_tlv *tlv; 563 size_t len = ucode_raw->size; 564 const u8 *data; 565 u32 tlv_len; 566 u32 usniffer_img; 567 enum iwl_ucode_tlv_type tlv_type; 568 const u8 *tlv_data; 569 char buildstr[25]; 570 u32 build, paging_mem_size; 571 int num_of_cpus; 572 bool usniffer_req = false; 573 574 if (len < sizeof(*ucode)) { 575 IWL_ERR(drv, "uCode has invalid length: %zd\n", len); 576 return -EINVAL; 577 } 578 579 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { 580 IWL_ERR(drv, "invalid uCode magic: 0X%x\n", 581 le32_to_cpu(ucode->magic)); 582 return -EINVAL; 583 } 584 585 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 586 memcpy(drv->fw.human_readable, ucode->human_readable, 587 sizeof(drv->fw.human_readable)); 588 build = le32_to_cpu(ucode->build); 589 590 if (build) 591 sprintf(buildstr, " build %u", build); 592 else 593 buildstr[0] = '\0'; 594 595 snprintf(drv->fw.fw_version, 596 sizeof(drv->fw.fw_version), 597 "%u.%u.%u.%u%s %s", 598 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 599 IWL_UCODE_MINOR(drv->fw.ucode_ver), 600 IWL_UCODE_API(drv->fw.ucode_ver), 601 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 602 buildstr, iwl_reduced_fw_name(drv)); 603 604 data = ucode->data; 605 606 len -= sizeof(*ucode); 607 608 while (len >= sizeof(*tlv)) { 609 len -= sizeof(*tlv); 610 tlv = (void *)data; 611 612 tlv_len = le32_to_cpu(tlv->length); 613 tlv_type = le32_to_cpu(tlv->type); 614 tlv_data = tlv->data; 615 616 if (len < tlv_len) { 617 IWL_ERR(drv, "invalid TLV len: %zd/%u\n", 618 len, tlv_len); 619 return -EINVAL; 620 } 621 len -= ALIGN(tlv_len, 4); 622 data += sizeof(*tlv) + ALIGN(tlv_len, 4); 623 624 switch (tlv_type) { 625 case IWL_UCODE_TLV_INST: 626 set_sec_data(pieces, IWL_UCODE_REGULAR, 627 IWL_UCODE_SECTION_INST, tlv_data); 628 set_sec_size(pieces, IWL_UCODE_REGULAR, 629 IWL_UCODE_SECTION_INST, tlv_len); 630 set_sec_offset(pieces, IWL_UCODE_REGULAR, 631 IWL_UCODE_SECTION_INST, 632 IWLAGN_RTC_INST_LOWER_BOUND); 633 break; 634 case IWL_UCODE_TLV_DATA: 635 set_sec_data(pieces, IWL_UCODE_REGULAR, 636 IWL_UCODE_SECTION_DATA, tlv_data); 637 set_sec_size(pieces, IWL_UCODE_REGULAR, 638 IWL_UCODE_SECTION_DATA, tlv_len); 639 set_sec_offset(pieces, IWL_UCODE_REGULAR, 640 IWL_UCODE_SECTION_DATA, 641 IWLAGN_RTC_DATA_LOWER_BOUND); 642 break; 643 case IWL_UCODE_TLV_INIT: 644 set_sec_data(pieces, IWL_UCODE_INIT, 645 IWL_UCODE_SECTION_INST, tlv_data); 646 set_sec_size(pieces, IWL_UCODE_INIT, 647 IWL_UCODE_SECTION_INST, tlv_len); 648 set_sec_offset(pieces, IWL_UCODE_INIT, 649 IWL_UCODE_SECTION_INST, 650 IWLAGN_RTC_INST_LOWER_BOUND); 651 break; 652 case IWL_UCODE_TLV_INIT_DATA: 653 set_sec_data(pieces, IWL_UCODE_INIT, 654 IWL_UCODE_SECTION_DATA, tlv_data); 655 set_sec_size(pieces, IWL_UCODE_INIT, 656 IWL_UCODE_SECTION_DATA, tlv_len); 657 set_sec_offset(pieces, IWL_UCODE_INIT, 658 IWL_UCODE_SECTION_DATA, 659 IWLAGN_RTC_DATA_LOWER_BOUND); 660 break; 661 case IWL_UCODE_TLV_BOOT: 662 IWL_ERR(drv, "Found unexpected BOOT ucode\n"); 663 break; 664 case IWL_UCODE_TLV_PROBE_MAX_LEN: 665 if (tlv_len != sizeof(u32)) 666 goto invalid_tlv_len; 667 capa->max_probe_length = 668 le32_to_cpup((__le32 *)tlv_data); 669 break; 670 case IWL_UCODE_TLV_PAN: 671 if (tlv_len) 672 goto invalid_tlv_len; 673 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; 674 break; 675 case IWL_UCODE_TLV_FLAGS: 676 /* must be at least one u32 */ 677 if (tlv_len < sizeof(u32)) 678 goto invalid_tlv_len; 679 /* and a proper number of u32s */ 680 if (tlv_len % sizeof(u32)) 681 goto invalid_tlv_len; 682 /* 683 * This driver only reads the first u32 as 684 * right now no more features are defined, 685 * if that changes then either the driver 686 * will not work with the new firmware, or 687 * it'll not take advantage of new features. 688 */ 689 capa->flags = le32_to_cpup((__le32 *)tlv_data); 690 break; 691 case IWL_UCODE_TLV_API_CHANGES_SET: 692 if (tlv_len != sizeof(struct iwl_ucode_api)) 693 goto invalid_tlv_len; 694 iwl_set_ucode_api_flags(drv, tlv_data, capa); 695 break; 696 case IWL_UCODE_TLV_ENABLED_CAPABILITIES: 697 if (tlv_len != sizeof(struct iwl_ucode_capa)) 698 goto invalid_tlv_len; 699 iwl_set_ucode_capabilities(drv, tlv_data, capa); 700 break; 701 case IWL_UCODE_TLV_INIT_EVTLOG_PTR: 702 if (tlv_len != sizeof(u32)) 703 goto invalid_tlv_len; 704 pieces->init_evtlog_ptr = 705 le32_to_cpup((__le32 *)tlv_data); 706 break; 707 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: 708 if (tlv_len != sizeof(u32)) 709 goto invalid_tlv_len; 710 pieces->init_evtlog_size = 711 le32_to_cpup((__le32 *)tlv_data); 712 break; 713 case IWL_UCODE_TLV_INIT_ERRLOG_PTR: 714 if (tlv_len != sizeof(u32)) 715 goto invalid_tlv_len; 716 pieces->init_errlog_ptr = 717 le32_to_cpup((__le32 *)tlv_data); 718 break; 719 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: 720 if (tlv_len != sizeof(u32)) 721 goto invalid_tlv_len; 722 pieces->inst_evtlog_ptr = 723 le32_to_cpup((__le32 *)tlv_data); 724 break; 725 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: 726 if (tlv_len != sizeof(u32)) 727 goto invalid_tlv_len; 728 pieces->inst_evtlog_size = 729 le32_to_cpup((__le32 *)tlv_data); 730 break; 731 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: 732 if (tlv_len != sizeof(u32)) 733 goto invalid_tlv_len; 734 pieces->inst_errlog_ptr = 735 le32_to_cpup((__le32 *)tlv_data); 736 break; 737 case IWL_UCODE_TLV_ENHANCE_SENS_TBL: 738 if (tlv_len) 739 goto invalid_tlv_len; 740 drv->fw.enhance_sensitivity_table = true; 741 break; 742 case IWL_UCODE_TLV_WOWLAN_INST: 743 set_sec_data(pieces, IWL_UCODE_WOWLAN, 744 IWL_UCODE_SECTION_INST, tlv_data); 745 set_sec_size(pieces, IWL_UCODE_WOWLAN, 746 IWL_UCODE_SECTION_INST, tlv_len); 747 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 748 IWL_UCODE_SECTION_INST, 749 IWLAGN_RTC_INST_LOWER_BOUND); 750 break; 751 case IWL_UCODE_TLV_WOWLAN_DATA: 752 set_sec_data(pieces, IWL_UCODE_WOWLAN, 753 IWL_UCODE_SECTION_DATA, tlv_data); 754 set_sec_size(pieces, IWL_UCODE_WOWLAN, 755 IWL_UCODE_SECTION_DATA, tlv_len); 756 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 757 IWL_UCODE_SECTION_DATA, 758 IWLAGN_RTC_DATA_LOWER_BOUND); 759 break; 760 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: 761 if (tlv_len != sizeof(u32)) 762 goto invalid_tlv_len; 763 capa->standard_phy_calibration_size = 764 le32_to_cpup((__le32 *)tlv_data); 765 break; 766 case IWL_UCODE_TLV_SEC_RT: 767 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 768 tlv_len); 769 drv->fw.type = IWL_FW_MVM; 770 break; 771 case IWL_UCODE_TLV_SEC_INIT: 772 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 773 tlv_len); 774 drv->fw.type = IWL_FW_MVM; 775 break; 776 case IWL_UCODE_TLV_SEC_WOWLAN: 777 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 778 tlv_len); 779 drv->fw.type = IWL_FW_MVM; 780 break; 781 case IWL_UCODE_TLV_DEF_CALIB: 782 if (tlv_len != sizeof(struct iwl_tlv_calib_data)) 783 goto invalid_tlv_len; 784 if (iwl_set_default_calib(drv, tlv_data)) 785 goto tlv_error; 786 break; 787 case IWL_UCODE_TLV_PHY_SKU: 788 if (tlv_len != sizeof(u32)) 789 goto invalid_tlv_len; 790 drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data); 791 drv->fw.valid_tx_ant = (drv->fw.phy_config & 792 FW_PHY_CFG_TX_CHAIN) >> 793 FW_PHY_CFG_TX_CHAIN_POS; 794 drv->fw.valid_rx_ant = (drv->fw.phy_config & 795 FW_PHY_CFG_RX_CHAIN) >> 796 FW_PHY_CFG_RX_CHAIN_POS; 797 break; 798 case IWL_UCODE_TLV_SECURE_SEC_RT: 799 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 800 tlv_len); 801 drv->fw.type = IWL_FW_MVM; 802 break; 803 case IWL_UCODE_TLV_SECURE_SEC_INIT: 804 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 805 tlv_len); 806 drv->fw.type = IWL_FW_MVM; 807 break; 808 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN: 809 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 810 tlv_len); 811 drv->fw.type = IWL_FW_MVM; 812 break; 813 case IWL_UCODE_TLV_NUM_OF_CPU: 814 if (tlv_len != sizeof(u32)) 815 goto invalid_tlv_len; 816 num_of_cpus = 817 le32_to_cpup((__le32 *)tlv_data); 818 819 if (num_of_cpus == 2) { 820 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus = 821 true; 822 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus = 823 true; 824 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus = 825 true; 826 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) { 827 IWL_ERR(drv, "Driver support upto 2 CPUs\n"); 828 return -EINVAL; 829 } 830 break; 831 case IWL_UCODE_TLV_CSCHEME: 832 if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len)) 833 goto invalid_tlv_len; 834 break; 835 case IWL_UCODE_TLV_N_SCAN_CHANNELS: 836 if (tlv_len != sizeof(u32)) 837 goto invalid_tlv_len; 838 capa->n_scan_channels = 839 le32_to_cpup((__le32 *)tlv_data); 840 break; 841 case IWL_UCODE_TLV_FW_VERSION: { 842 __le32 *ptr = (void *)tlv_data; 843 u32 major, minor; 844 u8 local_comp; 845 846 if (tlv_len != sizeof(u32) * 3) 847 goto invalid_tlv_len; 848 849 major = le32_to_cpup(ptr++); 850 minor = le32_to_cpup(ptr++); 851 local_comp = le32_to_cpup(ptr); 852 853 if (major >= 35) 854 snprintf(drv->fw.fw_version, 855 sizeof(drv->fw.fw_version), 856 "%u.%08x.%u %s", major, minor, 857 local_comp, iwl_reduced_fw_name(drv)); 858 else 859 snprintf(drv->fw.fw_version, 860 sizeof(drv->fw.fw_version), 861 "%u.%u.%u %s", major, minor, 862 local_comp, iwl_reduced_fw_name(drv)); 863 break; 864 } 865 case IWL_UCODE_TLV_FW_DBG_DEST: { 866 struct iwl_fw_dbg_dest_tlv *dest = NULL; 867 struct iwl_fw_dbg_dest_tlv_v1 *dest_v1 = NULL; 868 u8 mon_mode; 869 870 pieces->dbg_dest_ver = (u8 *)tlv_data; 871 if (*pieces->dbg_dest_ver == 1) { 872 dest = (void *)tlv_data; 873 } else if (*pieces->dbg_dest_ver == 0) { 874 dest_v1 = (void *)tlv_data; 875 } else { 876 IWL_ERR(drv, 877 "The version is %d, and it is invalid\n", 878 *pieces->dbg_dest_ver); 879 break; 880 } 881 882 if (pieces->dbg_dest_tlv_init) { 883 IWL_ERR(drv, 884 "dbg destination ignored, already exists\n"); 885 break; 886 } 887 888 pieces->dbg_dest_tlv_init = true; 889 890 if (dest_v1) { 891 pieces->dbg_dest_tlv_v1 = dest_v1; 892 mon_mode = dest_v1->monitor_mode; 893 } else { 894 pieces->dbg_dest_tlv = dest; 895 mon_mode = dest->monitor_mode; 896 } 897 898 IWL_INFO(drv, "Found debug destination: %s\n", 899 get_fw_dbg_mode_string(mon_mode)); 900 901 drv->fw.dbg.n_dest_reg = (dest_v1) ? 902 tlv_len - 903 offsetof(struct iwl_fw_dbg_dest_tlv_v1, 904 reg_ops) : 905 tlv_len - 906 offsetof(struct iwl_fw_dbg_dest_tlv, 907 reg_ops); 908 909 drv->fw.dbg.n_dest_reg /= 910 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]); 911 912 break; 913 } 914 case IWL_UCODE_TLV_FW_DBG_CONF: { 915 struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data; 916 917 if (!pieces->dbg_dest_tlv_init) { 918 IWL_ERR(drv, 919 "Ignore dbg config %d - no destination configured\n", 920 conf->id); 921 break; 922 } 923 924 if (conf->id >= ARRAY_SIZE(drv->fw.dbg.conf_tlv)) { 925 IWL_ERR(drv, 926 "Skip unknown configuration: %d\n", 927 conf->id); 928 break; 929 } 930 931 if (pieces->dbg_conf_tlv[conf->id]) { 932 IWL_ERR(drv, 933 "Ignore duplicate dbg config %d\n", 934 conf->id); 935 break; 936 } 937 938 if (conf->usniffer) 939 usniffer_req = true; 940 941 IWL_INFO(drv, "Found debug configuration: %d\n", 942 conf->id); 943 944 pieces->dbg_conf_tlv[conf->id] = conf; 945 pieces->dbg_conf_tlv_len[conf->id] = tlv_len; 946 break; 947 } 948 case IWL_UCODE_TLV_FW_DBG_TRIGGER: { 949 struct iwl_fw_dbg_trigger_tlv *trigger = 950 (void *)tlv_data; 951 u32 trigger_id = le32_to_cpu(trigger->id); 952 953 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg.trigger_tlv)) { 954 IWL_ERR(drv, 955 "Skip unknown trigger: %u\n", 956 trigger->id); 957 break; 958 } 959 960 if (pieces->dbg_trigger_tlv[trigger_id]) { 961 IWL_ERR(drv, 962 "Ignore duplicate dbg trigger %u\n", 963 trigger->id); 964 break; 965 } 966 967 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id); 968 969 pieces->dbg_trigger_tlv[trigger_id] = trigger; 970 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len; 971 break; 972 } 973 case IWL_UCODE_TLV_FW_DBG_DUMP_LST: { 974 if (tlv_len != sizeof(u32)) { 975 IWL_ERR(drv, 976 "dbg lst mask size incorrect, skip\n"); 977 break; 978 } 979 980 drv->fw.dbg.dump_mask = 981 le32_to_cpup((__le32 *)tlv_data); 982 break; 983 } 984 case IWL_UCODE_TLV_SEC_RT_USNIFFER: 985 *usniffer_images = true; 986 iwl_store_ucode_sec(pieces, tlv_data, 987 IWL_UCODE_REGULAR_USNIFFER, 988 tlv_len); 989 break; 990 case IWL_UCODE_TLV_PAGING: 991 if (tlv_len != sizeof(u32)) 992 goto invalid_tlv_len; 993 paging_mem_size = le32_to_cpup((__le32 *)tlv_data); 994 995 IWL_DEBUG_FW(drv, 996 "Paging: paging enabled (size = %u bytes)\n", 997 paging_mem_size); 998 999 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) { 1000 IWL_ERR(drv, 1001 "Paging: driver supports up to %lu bytes for paging image\n", 1002 MAX_PAGING_IMAGE_SIZE); 1003 return -EINVAL; 1004 } 1005 1006 if (paging_mem_size & (FW_PAGING_SIZE - 1)) { 1007 IWL_ERR(drv, 1008 "Paging: image isn't multiple %lu\n", 1009 FW_PAGING_SIZE); 1010 return -EINVAL; 1011 } 1012 1013 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size = 1014 paging_mem_size; 1015 usniffer_img = IWL_UCODE_REGULAR_USNIFFER; 1016 drv->fw.img[usniffer_img].paging_mem_size = 1017 paging_mem_size; 1018 break; 1019 case IWL_UCODE_TLV_FW_GSCAN_CAPA: 1020 /* ignored */ 1021 break; 1022 case IWL_UCODE_TLV_FW_MEM_SEG: { 1023 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem = 1024 (void *)tlv_data; 1025 size_t size; 1026 struct iwl_fw_dbg_mem_seg_tlv *n; 1027 1028 if (tlv_len != (sizeof(*dbg_mem))) 1029 goto invalid_tlv_len; 1030 1031 IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n", 1032 dbg_mem->data_type); 1033 1034 size = sizeof(*pieces->dbg_mem_tlv) * 1035 (pieces->n_mem_tlv + 1); 1036 n = krealloc(pieces->dbg_mem_tlv, size, GFP_KERNEL); 1037 if (!n) 1038 return -ENOMEM; 1039 pieces->dbg_mem_tlv = n; 1040 pieces->dbg_mem_tlv[pieces->n_mem_tlv] = *dbg_mem; 1041 pieces->n_mem_tlv++; 1042 break; 1043 } 1044 case IWL_UCODE_TLV_IML: { 1045 drv->fw.iml_len = tlv_len; 1046 drv->fw.iml = kmemdup(tlv_data, tlv_len, GFP_KERNEL); 1047 if (!drv->fw.iml) 1048 return -ENOMEM; 1049 break; 1050 } 1051 case IWL_UCODE_TLV_FW_RECOVERY_INFO: { 1052 struct { 1053 __le32 buf_addr; 1054 __le32 buf_size; 1055 } *recov_info = (void *)tlv_data; 1056 1057 if (tlv_len != sizeof(*recov_info)) 1058 goto invalid_tlv_len; 1059 capa->error_log_addr = 1060 le32_to_cpu(recov_info->buf_addr); 1061 capa->error_log_size = 1062 le32_to_cpu(recov_info->buf_size); 1063 } 1064 break; 1065 case IWL_UCODE_TLV_FW_FSEQ_VERSION: { 1066 struct { 1067 u8 version[32]; 1068 u8 sha1[20]; 1069 } *fseq_ver = (void *)tlv_data; 1070 1071 if (tlv_len != sizeof(*fseq_ver)) 1072 goto invalid_tlv_len; 1073 IWL_INFO(drv, "TLV_FW_FSEQ_VERSION: %s\n", 1074 fseq_ver->version); 1075 } 1076 break; 1077 case IWL_UCODE_TLV_FW_NUM_STATIONS: 1078 if (tlv_len != sizeof(u32)) 1079 goto invalid_tlv_len; 1080 if (le32_to_cpup((__le32 *)tlv_data) > 1081 IWL_MVM_STATION_COUNT_MAX) { 1082 IWL_ERR(drv, 1083 "%d is an invalid number of station\n", 1084 le32_to_cpup((__le32 *)tlv_data)); 1085 goto tlv_error; 1086 } 1087 capa->num_stations = 1088 le32_to_cpup((__le32 *)tlv_data); 1089 break; 1090 case IWL_UCODE_TLV_UMAC_DEBUG_ADDRS: { 1091 struct iwl_umac_debug_addrs *dbg_ptrs = 1092 (void *)tlv_data; 1093 1094 if (tlv_len != sizeof(*dbg_ptrs)) 1095 goto invalid_tlv_len; 1096 if (drv->trans->trans_cfg->device_family < 1097 IWL_DEVICE_FAMILY_22000) 1098 break; 1099 drv->trans->dbg.umac_error_event_table = 1100 le32_to_cpu(dbg_ptrs->error_info_addr) & 1101 ~FW_ADDR_CACHE_CONTROL; 1102 drv->trans->dbg.error_event_table_tlv_status |= 1103 IWL_ERROR_EVENT_TABLE_UMAC; 1104 break; 1105 } 1106 case IWL_UCODE_TLV_LMAC_DEBUG_ADDRS: { 1107 struct iwl_lmac_debug_addrs *dbg_ptrs = 1108 (void *)tlv_data; 1109 1110 if (tlv_len != sizeof(*dbg_ptrs)) 1111 goto invalid_tlv_len; 1112 if (drv->trans->trans_cfg->device_family < 1113 IWL_DEVICE_FAMILY_22000) 1114 break; 1115 drv->trans->dbg.lmac_error_event_table[0] = 1116 le32_to_cpu(dbg_ptrs->error_event_table_ptr) & 1117 ~FW_ADDR_CACHE_CONTROL; 1118 drv->trans->dbg.error_event_table_tlv_status |= 1119 IWL_ERROR_EVENT_TABLE_LMAC1; 1120 break; 1121 } 1122 case IWL_UCODE_TLV_TYPE_DEBUG_INFO: 1123 case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION: 1124 case IWL_UCODE_TLV_TYPE_HCMD: 1125 case IWL_UCODE_TLV_TYPE_REGIONS: 1126 case IWL_UCODE_TLV_TYPE_TRIGGERS: 1127 if (iwlwifi_mod_params.enable_ini) 1128 iwl_dbg_tlv_alloc(drv->trans, tlv, false); 1129 break; 1130 case IWL_UCODE_TLV_CMD_VERSIONS: 1131 if (tlv_len % sizeof(struct iwl_fw_cmd_version)) { 1132 IWL_ERR(drv, 1133 "Invalid length for command versions: %u\n", 1134 tlv_len); 1135 tlv_len /= sizeof(struct iwl_fw_cmd_version); 1136 tlv_len *= sizeof(struct iwl_fw_cmd_version); 1137 } 1138 if (WARN_ON(capa->cmd_versions)) 1139 return -EINVAL; 1140 capa->cmd_versions = kmemdup(tlv_data, tlv_len, 1141 GFP_KERNEL); 1142 if (!capa->cmd_versions) 1143 return -ENOMEM; 1144 capa->n_cmd_versions = 1145 tlv_len / sizeof(struct iwl_fw_cmd_version); 1146 break; 1147 case IWL_UCODE_TLV_PHY_INTEGRATION_VERSION: 1148 if (drv->fw.phy_integration_ver) { 1149 IWL_ERR(drv, 1150 "phy integration str ignored, already exists\n"); 1151 break; 1152 } 1153 1154 drv->fw.phy_integration_ver = 1155 kmemdup(tlv_data, tlv_len, GFP_KERNEL); 1156 if (!drv->fw.phy_integration_ver) 1157 return -ENOMEM; 1158 drv->fw.phy_integration_ver_len = tlv_len; 1159 break; 1160 default: 1161 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); 1162 break; 1163 } 1164 } 1165 1166 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) && 1167 usniffer_req && !*usniffer_images) { 1168 IWL_ERR(drv, 1169 "user selected to work with usniffer but usniffer image isn't available in ucode package\n"); 1170 return -EINVAL; 1171 } 1172 1173 if (len) { 1174 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); 1175 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len); 1176 return -EINVAL; 1177 } 1178 1179 return 0; 1180 1181 invalid_tlv_len: 1182 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); 1183 tlv_error: 1184 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); 1185 1186 return -EINVAL; 1187 } 1188 1189 static int iwl_alloc_ucode(struct iwl_drv *drv, 1190 struct iwl_firmware_pieces *pieces, 1191 enum iwl_ucode_type type) 1192 { 1193 int i; 1194 struct fw_desc *sec; 1195 1196 sec = kcalloc(pieces->img[type].sec_counter, sizeof(*sec), GFP_KERNEL); 1197 if (!sec) 1198 return -ENOMEM; 1199 drv->fw.img[type].sec = sec; 1200 drv->fw.img[type].num_sec = pieces->img[type].sec_counter; 1201 1202 for (i = 0; i < pieces->img[type].sec_counter; i++) 1203 if (iwl_alloc_fw_desc(drv, &sec[i], get_sec(pieces, type, i))) 1204 return -ENOMEM; 1205 1206 return 0; 1207 } 1208 1209 static int validate_sec_sizes(struct iwl_drv *drv, 1210 struct iwl_firmware_pieces *pieces, 1211 const struct iwl_cfg *cfg) 1212 { 1213 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %zd\n", 1214 get_sec_size(pieces, IWL_UCODE_REGULAR, 1215 IWL_UCODE_SECTION_INST)); 1216 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %zd\n", 1217 get_sec_size(pieces, IWL_UCODE_REGULAR, 1218 IWL_UCODE_SECTION_DATA)); 1219 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %zd\n", 1220 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); 1221 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %zd\n", 1222 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); 1223 1224 /* Verify that uCode images will fit in card's SRAM. */ 1225 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > 1226 cfg->max_inst_size) { 1227 IWL_ERR(drv, "uCode instr len %zd too large to fit in\n", 1228 get_sec_size(pieces, IWL_UCODE_REGULAR, 1229 IWL_UCODE_SECTION_INST)); 1230 return -1; 1231 } 1232 1233 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > 1234 cfg->max_data_size) { 1235 IWL_ERR(drv, "uCode data len %zd too large to fit in\n", 1236 get_sec_size(pieces, IWL_UCODE_REGULAR, 1237 IWL_UCODE_SECTION_DATA)); 1238 return -1; 1239 } 1240 1241 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > 1242 cfg->max_inst_size) { 1243 IWL_ERR(drv, "uCode init instr len %zd too large to fit in\n", 1244 get_sec_size(pieces, IWL_UCODE_INIT, 1245 IWL_UCODE_SECTION_INST)); 1246 return -1; 1247 } 1248 1249 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > 1250 cfg->max_data_size) { 1251 IWL_ERR(drv, "uCode init data len %zd too large to fit in\n", 1252 get_sec_size(pieces, IWL_UCODE_REGULAR, 1253 IWL_UCODE_SECTION_DATA)); 1254 return -1; 1255 } 1256 return 0; 1257 } 1258 1259 static struct iwl_op_mode * 1260 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op) 1261 { 1262 const struct iwl_op_mode_ops *ops = op->ops; 1263 struct dentry *dbgfs_dir = NULL; 1264 struct iwl_op_mode *op_mode = NULL; 1265 1266 #ifdef CONFIG_IWLWIFI_DEBUGFS 1267 drv->dbgfs_op_mode = debugfs_create_dir(op->name, 1268 drv->dbgfs_drv); 1269 dbgfs_dir = drv->dbgfs_op_mode; 1270 #endif 1271 1272 op_mode = ops->start(drv->trans, drv->trans->cfg, &drv->fw, dbgfs_dir); 1273 1274 #ifdef CONFIG_IWLWIFI_DEBUGFS 1275 if (!op_mode) { 1276 debugfs_remove_recursive(drv->dbgfs_op_mode); 1277 drv->dbgfs_op_mode = NULL; 1278 } 1279 #endif 1280 1281 return op_mode; 1282 } 1283 1284 static void _iwl_op_mode_stop(struct iwl_drv *drv) 1285 { 1286 /* op_mode can be NULL if its start failed */ 1287 if (drv->op_mode) { 1288 iwl_op_mode_stop(drv->op_mode); 1289 drv->op_mode = NULL; 1290 1291 #ifdef CONFIG_IWLWIFI_DEBUGFS 1292 debugfs_remove_recursive(drv->dbgfs_op_mode); 1293 drv->dbgfs_op_mode = NULL; 1294 #endif 1295 } 1296 } 1297 1298 /* 1299 * iwl_req_fw_callback - callback when firmware was loaded 1300 * 1301 * If loaded successfully, copies the firmware into buffers 1302 * for the card to fetch (via DMA). 1303 */ 1304 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) 1305 { 1306 struct iwl_drv *drv = context; 1307 struct iwl_fw *fw = &drv->fw; 1308 struct iwl_ucode_header *ucode; 1309 struct iwlwifi_opmode_table *op; 1310 int err; 1311 struct iwl_firmware_pieces *pieces; 1312 const unsigned int api_max = drv->trans->cfg->ucode_api_max; 1313 const unsigned int api_min = drv->trans->cfg->ucode_api_min; 1314 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX]; 1315 u32 api_ver; 1316 int i; 1317 bool load_module = false; 1318 bool usniffer_images = false; 1319 1320 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH; 1321 fw->ucode_capa.standard_phy_calibration_size = 1322 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1323 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS; 1324 fw->ucode_capa.num_stations = IWL_MVM_STATION_COUNT_MAX; 1325 /* dump all fw memory areas by default */ 1326 fw->dbg.dump_mask = 0xffffffff; 1327 1328 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL); 1329 if (!pieces) 1330 goto out_free_fw; 1331 1332 if (!ucode_raw) 1333 goto try_again; 1334 1335 IWL_DEBUG_FW_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n", 1336 drv->firmware_name, ucode_raw->size); 1337 1338 /* Make sure that we got at least the API version number */ 1339 if (ucode_raw->size < 4) { 1340 IWL_ERR(drv, "File size way too small!\n"); 1341 goto try_again; 1342 } 1343 1344 /* Data from ucode file: header followed by uCode images */ 1345 ucode = (struct iwl_ucode_header *)ucode_raw->data; 1346 1347 if (ucode->ver) 1348 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces); 1349 else 1350 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces, 1351 &fw->ucode_capa, &usniffer_images); 1352 1353 if (err) 1354 goto try_again; 1355 1356 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION)) 1357 api_ver = drv->fw.ucode_ver; 1358 else 1359 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 1360 1361 /* 1362 * api_ver should match the api version forming part of the 1363 * firmware filename ... but we don't check for that and only rely 1364 * on the API version read from firmware header from here on forward 1365 */ 1366 if (api_ver < api_min || api_ver > api_max) { 1367 IWL_ERR(drv, 1368 "Driver unable to support your firmware API. " 1369 "Driver supports v%u, firmware is v%u.\n", 1370 api_max, api_ver); 1371 goto try_again; 1372 } 1373 1374 /* 1375 * In mvm uCode there is no difference between data and instructions 1376 * sections. 1377 */ 1378 if (fw->type == IWL_FW_DVM && validate_sec_sizes(drv, pieces, 1379 drv->trans->cfg)) 1380 goto try_again; 1381 1382 /* Allocate ucode buffers for card's bus-master loading ... */ 1383 1384 /* Runtime instructions and 2 copies of data: 1385 * 1) unmodified from disk 1386 * 2) backup cache for save/restore during power-downs 1387 */ 1388 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 1389 if (iwl_alloc_ucode(drv, pieces, i)) 1390 goto out_free_fw; 1391 1392 if (pieces->dbg_dest_tlv_init) { 1393 size_t dbg_dest_size = sizeof(*drv->fw.dbg.dest_tlv) + 1394 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * 1395 drv->fw.dbg.n_dest_reg; 1396 1397 drv->fw.dbg.dest_tlv = kmalloc(dbg_dest_size, GFP_KERNEL); 1398 1399 if (!drv->fw.dbg.dest_tlv) 1400 goto out_free_fw; 1401 1402 if (*pieces->dbg_dest_ver == 0) { 1403 memcpy(drv->fw.dbg.dest_tlv, pieces->dbg_dest_tlv_v1, 1404 dbg_dest_size); 1405 } else { 1406 struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv = 1407 drv->fw.dbg.dest_tlv; 1408 1409 dest_tlv->version = pieces->dbg_dest_tlv->version; 1410 dest_tlv->monitor_mode = 1411 pieces->dbg_dest_tlv->monitor_mode; 1412 dest_tlv->size_power = 1413 pieces->dbg_dest_tlv->size_power; 1414 dest_tlv->wrap_count = 1415 pieces->dbg_dest_tlv->wrap_count; 1416 dest_tlv->write_ptr_reg = 1417 pieces->dbg_dest_tlv->write_ptr_reg; 1418 dest_tlv->base_shift = 1419 pieces->dbg_dest_tlv->base_shift; 1420 memcpy(dest_tlv->reg_ops, 1421 pieces->dbg_dest_tlv->reg_ops, 1422 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * 1423 drv->fw.dbg.n_dest_reg); 1424 1425 /* In version 1 of the destination tlv, which is 1426 * relevant for internal buffer exclusively, 1427 * the base address is part of given with the length 1428 * of the buffer, and the size shift is give instead of 1429 * end shift. We now store these values in base_reg, 1430 * and end shift, and when dumping the data we'll 1431 * manipulate it for extracting both the length and 1432 * base address */ 1433 dest_tlv->base_reg = pieces->dbg_dest_tlv->cfg_reg; 1434 dest_tlv->end_shift = 1435 pieces->dbg_dest_tlv->size_shift; 1436 } 1437 } 1438 1439 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) { 1440 if (pieces->dbg_conf_tlv[i]) { 1441 drv->fw.dbg.conf_tlv[i] = 1442 kmemdup(pieces->dbg_conf_tlv[i], 1443 pieces->dbg_conf_tlv_len[i], 1444 GFP_KERNEL); 1445 if (!drv->fw.dbg.conf_tlv[i]) 1446 goto out_free_fw; 1447 } 1448 } 1449 1450 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz)); 1451 1452 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] = 1453 sizeof(struct iwl_fw_dbg_trigger_missed_bcon); 1454 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0; 1455 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] = 1456 sizeof(struct iwl_fw_dbg_trigger_cmd); 1457 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] = 1458 sizeof(struct iwl_fw_dbg_trigger_mlme); 1459 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] = 1460 sizeof(struct iwl_fw_dbg_trigger_stats); 1461 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] = 1462 sizeof(struct iwl_fw_dbg_trigger_low_rssi); 1463 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] = 1464 sizeof(struct iwl_fw_dbg_trigger_txq_timer); 1465 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] = 1466 sizeof(struct iwl_fw_dbg_trigger_time_event); 1467 trigger_tlv_sz[FW_DBG_TRIGGER_BA] = 1468 sizeof(struct iwl_fw_dbg_trigger_ba); 1469 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] = 1470 sizeof(struct iwl_fw_dbg_trigger_tdls); 1471 1472 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) { 1473 if (pieces->dbg_trigger_tlv[i]) { 1474 /* 1475 * If the trigger isn't long enough, WARN and exit. 1476 * Someone is trying to debug something and he won't 1477 * be able to catch the bug he is trying to chase. 1478 * We'd better be noisy to be sure he knows what's 1479 * going on. 1480 */ 1481 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] < 1482 (trigger_tlv_sz[i] + 1483 sizeof(struct iwl_fw_dbg_trigger_tlv)))) 1484 goto out_free_fw; 1485 drv->fw.dbg.trigger_tlv_len[i] = 1486 pieces->dbg_trigger_tlv_len[i]; 1487 drv->fw.dbg.trigger_tlv[i] = 1488 kmemdup(pieces->dbg_trigger_tlv[i], 1489 drv->fw.dbg.trigger_tlv_len[i], 1490 GFP_KERNEL); 1491 if (!drv->fw.dbg.trigger_tlv[i]) 1492 goto out_free_fw; 1493 } 1494 } 1495 1496 /* Now that we can no longer fail, copy information */ 1497 1498 drv->fw.dbg.mem_tlv = pieces->dbg_mem_tlv; 1499 pieces->dbg_mem_tlv = NULL; 1500 drv->fw.dbg.n_mem_tlv = pieces->n_mem_tlv; 1501 1502 /* 1503 * The (size - 16) / 12 formula is based on the information recorded 1504 * for each event, which is of mode 1 (including timestamp) for all 1505 * new microcodes that include this information. 1506 */ 1507 fw->init_evtlog_ptr = pieces->init_evtlog_ptr; 1508 if (pieces->init_evtlog_size) 1509 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12; 1510 else 1511 fw->init_evtlog_size = 1512 drv->trans->trans_cfg->base_params->max_event_log_size; 1513 fw->init_errlog_ptr = pieces->init_errlog_ptr; 1514 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr; 1515 if (pieces->inst_evtlog_size) 1516 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12; 1517 else 1518 fw->inst_evtlog_size = 1519 drv->trans->trans_cfg->base_params->max_event_log_size; 1520 fw->inst_errlog_ptr = pieces->inst_errlog_ptr; 1521 1522 /* 1523 * figure out the offset of chain noise reset and gain commands 1524 * base on the size of standard phy calibration commands table size 1525 */ 1526 if (fw->ucode_capa.standard_phy_calibration_size > 1527 IWL_MAX_PHY_CALIBRATE_TBL_SIZE) 1528 fw->ucode_capa.standard_phy_calibration_size = 1529 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1530 1531 /* We have our copies now, allow OS release its copies */ 1532 release_firmware(ucode_raw); 1533 1534 mutex_lock(&iwlwifi_opmode_table_mtx); 1535 switch (fw->type) { 1536 case IWL_FW_DVM: 1537 op = &iwlwifi_opmode_table[DVM_OP_MODE]; 1538 break; 1539 default: 1540 WARN(1, "Invalid fw type %d\n", fw->type); 1541 fallthrough; 1542 case IWL_FW_MVM: 1543 op = &iwlwifi_opmode_table[MVM_OP_MODE]; 1544 break; 1545 } 1546 1547 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n", 1548 drv->fw.fw_version, op->name); 1549 1550 iwl_dbg_tlv_load_bin(drv->trans->dev, drv->trans); 1551 1552 /* add this device to the list of devices using this op_mode */ 1553 list_add_tail(&drv->list, &op->drv); 1554 1555 if (op->ops) { 1556 drv->op_mode = _iwl_op_mode_start(drv, op); 1557 1558 if (!drv->op_mode) { 1559 mutex_unlock(&iwlwifi_opmode_table_mtx); 1560 goto out_unbind; 1561 } 1562 } else { 1563 load_module = true; 1564 } 1565 mutex_unlock(&iwlwifi_opmode_table_mtx); 1566 1567 /* 1568 * Complete the firmware request last so that 1569 * a driver unbind (stop) doesn't run while we 1570 * are doing the start() above. 1571 */ 1572 complete(&drv->request_firmware_complete); 1573 1574 /* 1575 * Load the module last so we don't block anything 1576 * else from proceeding if the module fails to load 1577 * or hangs loading. 1578 */ 1579 if (load_module) { 1580 request_module("%s", op->name); 1581 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR 1582 if (err) 1583 IWL_ERR(drv, 1584 "failed to load module %s (error %d), is dynamic loading enabled?\n", 1585 op->name, err); 1586 #endif 1587 } 1588 goto free; 1589 1590 try_again: 1591 /* try next, if any */ 1592 release_firmware(ucode_raw); 1593 if (iwl_request_firmware(drv, false)) 1594 goto out_unbind; 1595 goto free; 1596 1597 out_free_fw: 1598 release_firmware(ucode_raw); 1599 out_unbind: 1600 complete(&drv->request_firmware_complete); 1601 device_release_driver(drv->trans->dev); 1602 free: 1603 if (pieces) { 1604 for (i = 0; i < ARRAY_SIZE(pieces->img); i++) 1605 kfree(pieces->img[i].sec); 1606 kfree(pieces->dbg_mem_tlv); 1607 kfree(pieces); 1608 } 1609 } 1610 1611 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans) 1612 { 1613 struct iwl_drv *drv; 1614 int ret; 1615 1616 drv = kzalloc(sizeof(*drv), GFP_KERNEL); 1617 if (!drv) { 1618 ret = -ENOMEM; 1619 goto err; 1620 } 1621 1622 drv->trans = trans; 1623 drv->dev = trans->dev; 1624 1625 init_completion(&drv->request_firmware_complete); 1626 INIT_LIST_HEAD(&drv->list); 1627 1628 #ifdef CONFIG_IWLWIFI_DEBUGFS 1629 /* Create the device debugfs entries. */ 1630 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev), 1631 iwl_dbgfs_root); 1632 1633 /* Create transport layer debugfs dir */ 1634 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv); 1635 #endif 1636 1637 drv->trans->dbg.domains_bitmap = IWL_TRANS_FW_DBG_DOMAIN(drv->trans); 1638 1639 ret = iwl_request_firmware(drv, true); 1640 if (ret) { 1641 IWL_ERR(trans, "Couldn't request the fw\n"); 1642 goto err_fw; 1643 } 1644 1645 return drv; 1646 1647 err_fw: 1648 #ifdef CONFIG_IWLWIFI_DEBUGFS 1649 debugfs_remove_recursive(drv->dbgfs_drv); 1650 iwl_dbg_tlv_free(drv->trans); 1651 #endif 1652 kfree(drv); 1653 err: 1654 return ERR_PTR(ret); 1655 } 1656 1657 void iwl_drv_stop(struct iwl_drv *drv) 1658 { 1659 wait_for_completion(&drv->request_firmware_complete); 1660 1661 _iwl_op_mode_stop(drv); 1662 1663 iwl_dealloc_ucode(drv); 1664 1665 mutex_lock(&iwlwifi_opmode_table_mtx); 1666 /* 1667 * List is empty (this item wasn't added) 1668 * when firmware loading failed -- in that 1669 * case we can't remove it from any list. 1670 */ 1671 if (!list_empty(&drv->list)) 1672 list_del(&drv->list); 1673 mutex_unlock(&iwlwifi_opmode_table_mtx); 1674 1675 #ifdef CONFIG_IWLWIFI_DEBUGFS 1676 drv->trans->ops->debugfs_cleanup(drv->trans); 1677 1678 debugfs_remove_recursive(drv->dbgfs_drv); 1679 #endif 1680 1681 iwl_dbg_tlv_free(drv->trans); 1682 1683 kfree(drv); 1684 } 1685 1686 1687 /* shared module parameters */ 1688 struct iwl_mod_params iwlwifi_mod_params = { 1689 .fw_restart = true, 1690 .bt_coex_active = true, 1691 .power_level = IWL_POWER_INDEX_1, 1692 .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT, 1693 .enable_ini = true, 1694 /* the rest are 0 by default */ 1695 }; 1696 IWL_EXPORT_SYMBOL(iwlwifi_mod_params); 1697 1698 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops) 1699 { 1700 int i; 1701 struct iwl_drv *drv; 1702 struct iwlwifi_opmode_table *op; 1703 1704 mutex_lock(&iwlwifi_opmode_table_mtx); 1705 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1706 op = &iwlwifi_opmode_table[i]; 1707 if (strcmp(op->name, name)) 1708 continue; 1709 op->ops = ops; 1710 /* TODO: need to handle exceptional case */ 1711 list_for_each_entry(drv, &op->drv, list) 1712 drv->op_mode = _iwl_op_mode_start(drv, op); 1713 1714 mutex_unlock(&iwlwifi_opmode_table_mtx); 1715 return 0; 1716 } 1717 mutex_unlock(&iwlwifi_opmode_table_mtx); 1718 return -EIO; 1719 } 1720 IWL_EXPORT_SYMBOL(iwl_opmode_register); 1721 1722 void iwl_opmode_deregister(const char *name) 1723 { 1724 int i; 1725 struct iwl_drv *drv; 1726 1727 mutex_lock(&iwlwifi_opmode_table_mtx); 1728 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1729 if (strcmp(iwlwifi_opmode_table[i].name, name)) 1730 continue; 1731 iwlwifi_opmode_table[i].ops = NULL; 1732 1733 /* call the stop routine for all devices */ 1734 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list) 1735 _iwl_op_mode_stop(drv); 1736 1737 mutex_unlock(&iwlwifi_opmode_table_mtx); 1738 return; 1739 } 1740 mutex_unlock(&iwlwifi_opmode_table_mtx); 1741 } 1742 IWL_EXPORT_SYMBOL(iwl_opmode_deregister); 1743 1744 static int __init iwl_drv_init(void) 1745 { 1746 int i, err; 1747 1748 mutex_init(&iwlwifi_opmode_table_mtx); 1749 1750 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) 1751 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv); 1752 1753 pr_info(DRV_DESCRIPTION "\n"); 1754 1755 #ifdef CONFIG_IWLWIFI_DEBUGFS 1756 /* Create the root of iwlwifi debugfs subsystem. */ 1757 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL); 1758 #endif 1759 1760 err = iwl_pci_register_driver(); 1761 if (err) 1762 goto cleanup_debugfs; 1763 1764 return 0; 1765 1766 cleanup_debugfs: 1767 #ifdef CONFIG_IWLWIFI_DEBUGFS 1768 debugfs_remove_recursive(iwl_dbgfs_root); 1769 #endif 1770 return err; 1771 } 1772 module_init(iwl_drv_init); 1773 1774 static void __exit iwl_drv_exit(void) 1775 { 1776 iwl_pci_unregister_driver(); 1777 1778 #ifdef CONFIG_IWLWIFI_DEBUGFS 1779 debugfs_remove_recursive(iwl_dbgfs_root); 1780 #endif 1781 } 1782 module_exit(iwl_drv_exit); 1783 1784 #ifdef CONFIG_IWLWIFI_DEBUG 1785 module_param_named(debug, iwlwifi_mod_params.debug_level, uint, 0644); 1786 MODULE_PARM_DESC(debug, "debug output mask"); 1787 #endif 1788 1789 module_param_named(swcrypto, iwlwifi_mod_params.swcrypto, int, 0444); 1790 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); 1791 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, 0444); 1792 MODULE_PARM_DESC(11n_disable, 1793 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX"); 1794 module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, int, 0444); 1795 MODULE_PARM_DESC(amsdu_size, 1796 "amsdu size 0: 12K for multi Rx queue devices, 2K for AX210 devices, " 1797 "4K for other devices 1:4K 2:8K 3:12K (16K buffers) 4: 2K (default 0)"); 1798 module_param_named(fw_restart, iwlwifi_mod_params.fw_restart, bool, 0444); 1799 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)"); 1800 1801 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, 0444); 1802 MODULE_PARM_DESC(nvm_file, "NVM file name"); 1803 1804 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, uint, 0644); 1805 MODULE_PARM_DESC(uapsd_disable, 1806 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)"); 1807 module_param_named(enable_ini, iwlwifi_mod_params.enable_ini, 1808 bool, S_IRUGO | S_IWUSR); 1809 MODULE_PARM_DESC(enable_ini, 1810 "Enable debug INI TLV FW debug infrastructure (default: true"); 1811 1812 /* 1813 * set bt_coex_active to true, uCode will do kill/defer 1814 * every time the priority line is asserted (BT is sending signals on the 1815 * priority line in the PCIx). 1816 * set bt_coex_active to false, uCode will ignore the BT activity and 1817 * perform the normal operation 1818 * 1819 * User might experience transmit issue on some platform due to WiFi/BT 1820 * co-exist problem. The possible behaviors are: 1821 * Able to scan and finding all the available AP 1822 * Not able to associate with any AP 1823 * On those platforms, WiFi communication can be restored by set 1824 * "bt_coex_active" module parameter to "false" 1825 * 1826 * default: bt_coex_active = true (BT_COEX_ENABLE) 1827 */ 1828 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active, 1829 bool, 0444); 1830 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); 1831 1832 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, 0444); 1833 MODULE_PARM_DESC(led_mode, "0=system default, " 1834 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); 1835 1836 module_param_named(power_save, iwlwifi_mod_params.power_save, bool, 0444); 1837 MODULE_PARM_DESC(power_save, 1838 "enable WiFi power management (default: disable)"); 1839 1840 module_param_named(power_level, iwlwifi_mod_params.power_level, int, 0444); 1841 MODULE_PARM_DESC(power_level, 1842 "default power save level (range from 1 - 5, default: 1)"); 1843 1844 module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, 0444); 1845 MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)"); 1846 1847 module_param_named(remove_when_gone, 1848 iwlwifi_mod_params.remove_when_gone, bool, 1849 0444); 1850 MODULE_PARM_DESC(remove_when_gone, 1851 "Remove dev from PCIe bus if it is deemed inaccessible (default: false)"); 1852 1853 module_param_named(disable_11ax, iwlwifi_mod_params.disable_11ax, bool, 1854 S_IRUGO); 1855 MODULE_PARM_DESC(disable_11ax, "Disable HE capabilities (default: false)"); 1856