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_LICENSE("GPL"); 35 36 #ifdef CONFIG_IWLWIFI_DEBUGFS 37 static struct dentry *iwl_dbgfs_root; 38 #endif 39 40 /** 41 * struct iwl_drv - drv common data 42 * @list: list of drv structures using this opmode 43 * @fw: the iwl_fw structure 44 * @op_mode: the running op_mode 45 * @trans: transport layer 46 * @dev: for debug prints only 47 * @fw_index: firmware revision to try loading 48 * @firmware_name: composite filename of ucode file to load 49 * @request_firmware_complete: the firmware has been obtained from user space 50 * @dbgfs_drv: debugfs root directory entry 51 * @dbgfs_trans: debugfs transport directory entry 52 * @dbgfs_op_mode: debugfs op_mode directory entry 53 */ 54 struct iwl_drv { 55 struct list_head list; 56 struct iwl_fw fw; 57 58 struct iwl_op_mode *op_mode; 59 struct iwl_trans *trans; 60 struct device *dev; 61 62 int fw_index; /* firmware we're trying to load */ 63 char firmware_name[64]; /* name of firmware file to load */ 64 65 struct completion request_firmware_complete; 66 67 #ifdef CONFIG_IWLWIFI_DEBUGFS 68 struct dentry *dbgfs_drv; 69 struct dentry *dbgfs_trans; 70 struct dentry *dbgfs_op_mode; 71 #endif 72 }; 73 74 enum { 75 DVM_OP_MODE, 76 MVM_OP_MODE, 77 }; 78 79 /* Protects the table contents, i.e. the ops pointer & drv list */ 80 static DEFINE_MUTEX(iwlwifi_opmode_table_mtx); 81 static struct iwlwifi_opmode_table { 82 const char *name; /* name: iwldvm, iwlmvm, etc */ 83 const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */ 84 struct list_head drv; /* list of devices using this op_mode */ 85 } iwlwifi_opmode_table[] = { /* ops set when driver is initialized */ 86 [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL }, 87 [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL }, 88 }; 89 90 #define IWL_DEFAULT_SCAN_CHANNELS 40 91 92 /* 93 * struct fw_sec: Just for the image parsing process. 94 * For the fw storage we are using struct fw_desc. 95 */ 96 struct fw_sec { 97 const void *data; /* the sec data */ 98 size_t size; /* section size */ 99 u32 offset; /* offset of writing in the device */ 100 }; 101 102 static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc) 103 { 104 vfree(desc->data); 105 desc->data = NULL; 106 desc->len = 0; 107 } 108 109 static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img) 110 { 111 int i; 112 for (i = 0; i < img->num_sec; i++) 113 iwl_free_fw_desc(drv, &img->sec[i]); 114 kfree(img->sec); 115 } 116 117 static void iwl_dealloc_ucode(struct iwl_drv *drv) 118 { 119 int i; 120 121 kfree(drv->fw.dbg.dest_tlv); 122 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) 123 kfree(drv->fw.dbg.conf_tlv[i]); 124 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) 125 kfree(drv->fw.dbg.trigger_tlv[i]); 126 kfree(drv->fw.dbg.mem_tlv); 127 kfree(drv->fw.iml); 128 kfree(drv->fw.ucode_capa.cmd_versions); 129 kfree(drv->fw.phy_integration_ver); 130 131 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 132 iwl_free_fw_img(drv, drv->fw.img + i); 133 } 134 135 static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc, 136 struct fw_sec *sec) 137 { 138 void *data; 139 140 desc->data = NULL; 141 142 if (!sec || !sec->size) 143 return -EINVAL; 144 145 data = vmalloc(sec->size); 146 if (!data) 147 return -ENOMEM; 148 149 desc->len = sec->size; 150 desc->offset = sec->offset; 151 memcpy(data, sec->data, desc->len); 152 desc->data = data; 153 154 return 0; 155 } 156 157 static void iwl_req_fw_callback(const struct firmware *ucode_raw, 158 void *context); 159 160 static int iwl_request_firmware(struct iwl_drv *drv, bool first) 161 { 162 const struct iwl_cfg *cfg = drv->trans->cfg; 163 char tag[8]; 164 165 if (drv->trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_9000 && 166 (CSR_HW_REV_STEP(drv->trans->hw_rev) != SILICON_B_STEP && 167 CSR_HW_REV_STEP(drv->trans->hw_rev) != SILICON_C_STEP)) { 168 IWL_ERR(drv, 169 "Only HW steps B and C are currently supported (0x%0x)\n", 170 drv->trans->hw_rev); 171 return -EINVAL; 172 } 173 174 if (first) { 175 drv->fw_index = cfg->ucode_api_max; 176 sprintf(tag, "%d", drv->fw_index); 177 } else { 178 drv->fw_index--; 179 sprintf(tag, "%d", drv->fw_index); 180 } 181 182 if (drv->fw_index < cfg->ucode_api_min) { 183 IWL_ERR(drv, "no suitable firmware found!\n"); 184 185 if (cfg->ucode_api_min == cfg->ucode_api_max) { 186 IWL_ERR(drv, "%s%d is required\n", cfg->fw_name_pre, 187 cfg->ucode_api_max); 188 } else { 189 IWL_ERR(drv, "minimum version required: %s%d\n", 190 cfg->fw_name_pre, cfg->ucode_api_min); 191 IWL_ERR(drv, "maximum version supported: %s%d\n", 192 cfg->fw_name_pre, cfg->ucode_api_max); 193 } 194 195 IWL_ERR(drv, 196 "check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git\n"); 197 return -ENOENT; 198 } 199 200 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode", 201 cfg->fw_name_pre, tag); 202 203 IWL_DEBUG_FW_INFO(drv, "attempting to load firmware '%s'\n", 204 drv->firmware_name); 205 206 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name, 207 drv->trans->dev, 208 GFP_KERNEL, drv, iwl_req_fw_callback); 209 } 210 211 struct fw_img_parsing { 212 struct fw_sec *sec; 213 int sec_counter; 214 }; 215 216 /* 217 * struct fw_sec_parsing: to extract fw section and it's offset from tlv 218 */ 219 struct fw_sec_parsing { 220 __le32 offset; 221 const u8 data[]; 222 } __packed; 223 224 /** 225 * struct iwl_tlv_calib_data - parse the default calib data from TLV 226 * 227 * @ucode_type: the uCode to which the following default calib relates. 228 * @calib: default calibrations. 229 */ 230 struct iwl_tlv_calib_data { 231 __le32 ucode_type; 232 struct iwl_tlv_calib_ctrl calib; 233 } __packed; 234 235 struct iwl_firmware_pieces { 236 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX]; 237 238 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; 239 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; 240 241 /* FW debug data parsed for driver usage */ 242 bool dbg_dest_tlv_init; 243 u8 *dbg_dest_ver; 244 union { 245 struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv; 246 struct iwl_fw_dbg_dest_tlv_v1 *dbg_dest_tlv_v1; 247 }; 248 struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX]; 249 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX]; 250 struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX]; 251 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX]; 252 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv; 253 size_t n_mem_tlv; 254 }; 255 256 /* 257 * These functions are just to extract uCode section data from the pieces 258 * structure. 259 */ 260 static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces, 261 enum iwl_ucode_type type, 262 int sec) 263 { 264 return &pieces->img[type].sec[sec]; 265 } 266 267 static void alloc_sec_data(struct iwl_firmware_pieces *pieces, 268 enum iwl_ucode_type type, 269 int sec) 270 { 271 struct fw_img_parsing *img = &pieces->img[type]; 272 struct fw_sec *sec_memory; 273 int size = sec + 1; 274 size_t alloc_size = sizeof(*img->sec) * size; 275 276 if (img->sec && img->sec_counter >= size) 277 return; 278 279 sec_memory = krealloc(img->sec, alloc_size, GFP_KERNEL); 280 if (!sec_memory) 281 return; 282 283 img->sec = sec_memory; 284 img->sec_counter = size; 285 } 286 287 static void set_sec_data(struct iwl_firmware_pieces *pieces, 288 enum iwl_ucode_type type, 289 int sec, 290 const void *data) 291 { 292 alloc_sec_data(pieces, type, sec); 293 294 pieces->img[type].sec[sec].data = data; 295 } 296 297 static void set_sec_size(struct iwl_firmware_pieces *pieces, 298 enum iwl_ucode_type type, 299 int sec, 300 size_t size) 301 { 302 alloc_sec_data(pieces, type, sec); 303 304 pieces->img[type].sec[sec].size = size; 305 } 306 307 static size_t get_sec_size(struct iwl_firmware_pieces *pieces, 308 enum iwl_ucode_type type, 309 int sec) 310 { 311 return pieces->img[type].sec[sec].size; 312 } 313 314 static void set_sec_offset(struct iwl_firmware_pieces *pieces, 315 enum iwl_ucode_type type, 316 int sec, 317 u32 offset) 318 { 319 alloc_sec_data(pieces, type, sec); 320 321 pieces->img[type].sec[sec].offset = offset; 322 } 323 324 static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len) 325 { 326 int i, j; 327 struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data; 328 struct iwl_fw_cipher_scheme *fwcs; 329 330 if (len < sizeof(*l) || 331 len < sizeof(l->size) + l->size * sizeof(l->cs[0])) 332 return -EINVAL; 333 334 for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) { 335 fwcs = &l->cs[j]; 336 337 /* we skip schemes with zero cipher suite selector */ 338 if (!fwcs->cipher) 339 continue; 340 341 fw->cs[j++] = *fwcs; 342 } 343 344 return 0; 345 } 346 347 /* 348 * Gets uCode section from tlv. 349 */ 350 static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces, 351 const void *data, enum iwl_ucode_type type, 352 int size) 353 { 354 struct fw_img_parsing *img; 355 struct fw_sec *sec; 356 struct fw_sec_parsing *sec_parse; 357 size_t alloc_size; 358 359 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX)) 360 return -1; 361 362 sec_parse = (struct fw_sec_parsing *)data; 363 364 img = &pieces->img[type]; 365 366 alloc_size = sizeof(*img->sec) * (img->sec_counter + 1); 367 sec = krealloc(img->sec, alloc_size, GFP_KERNEL); 368 if (!sec) 369 return -ENOMEM; 370 img->sec = sec; 371 372 sec = &img->sec[img->sec_counter]; 373 374 sec->offset = le32_to_cpu(sec_parse->offset); 375 sec->data = sec_parse->data; 376 sec->size = size - sizeof(sec_parse->offset); 377 378 ++img->sec_counter; 379 380 return 0; 381 } 382 383 static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data) 384 { 385 struct iwl_tlv_calib_data *def_calib = 386 (struct iwl_tlv_calib_data *)data; 387 u32 ucode_type = le32_to_cpu(def_calib->ucode_type); 388 if (ucode_type >= IWL_UCODE_TYPE_MAX) { 389 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n", 390 ucode_type); 391 return -EINVAL; 392 } 393 drv->fw.default_calib[ucode_type].flow_trigger = 394 def_calib->calib.flow_trigger; 395 drv->fw.default_calib[ucode_type].event_trigger = 396 def_calib->calib.event_trigger; 397 398 return 0; 399 } 400 401 static void iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data, 402 struct iwl_ucode_capabilities *capa) 403 { 404 const struct iwl_ucode_api *ucode_api = (void *)data; 405 u32 api_index = le32_to_cpu(ucode_api->api_index); 406 u32 api_flags = le32_to_cpu(ucode_api->api_flags); 407 int i; 408 409 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) { 410 IWL_WARN(drv, 411 "api flags index %d larger than supported by driver\n", 412 api_index); 413 return; 414 } 415 416 for (i = 0; i < 32; i++) { 417 if (api_flags & BIT(i)) 418 __set_bit(i + 32 * api_index, capa->_api); 419 } 420 } 421 422 static void iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data, 423 struct iwl_ucode_capabilities *capa) 424 { 425 const struct iwl_ucode_capa *ucode_capa = (void *)data; 426 u32 api_index = le32_to_cpu(ucode_capa->api_index); 427 u32 api_flags = le32_to_cpu(ucode_capa->api_capa); 428 int i; 429 430 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) { 431 IWL_WARN(drv, 432 "capa flags index %d larger than supported by driver\n", 433 api_index); 434 return; 435 } 436 437 for (i = 0; i < 32; i++) { 438 if (api_flags & BIT(i)) 439 __set_bit(i + 32 * api_index, capa->_capa); 440 } 441 } 442 443 static const char *iwl_reduced_fw_name(struct iwl_drv *drv) 444 { 445 const char *name = drv->firmware_name; 446 447 if (strncmp(name, "iwlwifi-", 8) == 0) 448 name += 8; 449 450 return name; 451 } 452 453 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv, 454 const struct firmware *ucode_raw, 455 struct iwl_firmware_pieces *pieces) 456 { 457 struct iwl_ucode_header *ucode = (void *)ucode_raw->data; 458 u32 api_ver, hdr_size, build; 459 char buildstr[25]; 460 const u8 *src; 461 462 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 463 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 464 465 switch (api_ver) { 466 default: 467 hdr_size = 28; 468 if (ucode_raw->size < hdr_size) { 469 IWL_ERR(drv, "File size too small!\n"); 470 return -EINVAL; 471 } 472 build = le32_to_cpu(ucode->u.v2.build); 473 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 474 le32_to_cpu(ucode->u.v2.inst_size)); 475 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 476 le32_to_cpu(ucode->u.v2.data_size)); 477 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 478 le32_to_cpu(ucode->u.v2.init_size)); 479 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 480 le32_to_cpu(ucode->u.v2.init_data_size)); 481 src = ucode->u.v2.data; 482 break; 483 case 0: 484 case 1: 485 case 2: 486 hdr_size = 24; 487 if (ucode_raw->size < hdr_size) { 488 IWL_ERR(drv, "File size too small!\n"); 489 return -EINVAL; 490 } 491 build = 0; 492 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 493 le32_to_cpu(ucode->u.v1.inst_size)); 494 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 495 le32_to_cpu(ucode->u.v1.data_size)); 496 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 497 le32_to_cpu(ucode->u.v1.init_size)); 498 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 499 le32_to_cpu(ucode->u.v1.init_data_size)); 500 src = ucode->u.v1.data; 501 break; 502 } 503 504 if (build) 505 sprintf(buildstr, " build %u", build); 506 else 507 buildstr[0] = '\0'; 508 509 snprintf(drv->fw.fw_version, 510 sizeof(drv->fw.fw_version), 511 "%u.%u.%u.%u%s %s", 512 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 513 IWL_UCODE_MINOR(drv->fw.ucode_ver), 514 IWL_UCODE_API(drv->fw.ucode_ver), 515 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 516 buildstr, iwl_reduced_fw_name(drv)); 517 518 /* Verify size of file vs. image size info in file's header */ 519 520 if (ucode_raw->size != hdr_size + 521 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) + 522 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) + 523 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) + 524 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { 525 526 IWL_ERR(drv, 527 "uCode file size %d does not match expected size\n", 528 (int)ucode_raw->size); 529 return -EINVAL; 530 } 531 532 533 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src); 534 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST); 535 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 536 IWLAGN_RTC_INST_LOWER_BOUND); 537 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src); 538 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA); 539 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 540 IWLAGN_RTC_DATA_LOWER_BOUND); 541 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src); 542 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST); 543 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 544 IWLAGN_RTC_INST_LOWER_BOUND); 545 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src); 546 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA); 547 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 548 IWLAGN_RTC_DATA_LOWER_BOUND); 549 return 0; 550 } 551 552 static void iwl_drv_set_dump_exclude(struct iwl_drv *drv, 553 enum iwl_ucode_tlv_type tlv_type, 554 const void *tlv_data, u32 tlv_len) 555 { 556 const struct iwl_fw_dump_exclude *fw = tlv_data; 557 struct iwl_dump_exclude *excl; 558 559 if (tlv_len < sizeof(*fw)) 560 return; 561 562 if (tlv_type == IWL_UCODE_TLV_SEC_TABLE_ADDR) { 563 excl = &drv->fw.dump_excl[0]; 564 565 /* second time we find this, it's for WoWLAN */ 566 if (excl->addr) 567 excl = &drv->fw.dump_excl_wowlan[0]; 568 } else if (fw_has_capa(&drv->fw.ucode_capa, 569 IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG)) { 570 /* IWL_UCODE_TLV_D3_KEK_KCK_ADDR is regular image */ 571 excl = &drv->fw.dump_excl[0]; 572 } else { 573 /* IWL_UCODE_TLV_D3_KEK_KCK_ADDR is WoWLAN image */ 574 excl = &drv->fw.dump_excl_wowlan[0]; 575 } 576 577 if (excl->addr) 578 excl++; 579 580 if (excl->addr) { 581 IWL_DEBUG_FW_INFO(drv, "found too many excludes in fw file\n"); 582 return; 583 } 584 585 excl->addr = le32_to_cpu(fw->addr) & ~FW_ADDR_CACHE_CONTROL; 586 excl->size = le32_to_cpu(fw->size); 587 } 588 589 static int iwl_parse_tlv_firmware(struct iwl_drv *drv, 590 const struct firmware *ucode_raw, 591 struct iwl_firmware_pieces *pieces, 592 struct iwl_ucode_capabilities *capa, 593 bool *usniffer_images) 594 { 595 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; 596 const struct iwl_ucode_tlv *tlv; 597 size_t len = ucode_raw->size; 598 const u8 *data; 599 u32 tlv_len; 600 u32 usniffer_img; 601 enum iwl_ucode_tlv_type tlv_type; 602 const u8 *tlv_data; 603 char buildstr[25]; 604 u32 build, paging_mem_size; 605 int num_of_cpus; 606 bool usniffer_req = false; 607 608 if (len < sizeof(*ucode)) { 609 IWL_ERR(drv, "uCode has invalid length: %zd\n", len); 610 return -EINVAL; 611 } 612 613 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { 614 IWL_ERR(drv, "invalid uCode magic: 0X%x\n", 615 le32_to_cpu(ucode->magic)); 616 return -EINVAL; 617 } 618 619 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 620 memcpy(drv->fw.human_readable, ucode->human_readable, 621 sizeof(drv->fw.human_readable)); 622 build = le32_to_cpu(ucode->build); 623 624 if (build) 625 sprintf(buildstr, " build %u", build); 626 else 627 buildstr[0] = '\0'; 628 629 snprintf(drv->fw.fw_version, 630 sizeof(drv->fw.fw_version), 631 "%u.%u.%u.%u%s %s", 632 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 633 IWL_UCODE_MINOR(drv->fw.ucode_ver), 634 IWL_UCODE_API(drv->fw.ucode_ver), 635 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 636 buildstr, iwl_reduced_fw_name(drv)); 637 638 data = ucode->data; 639 640 len -= sizeof(*ucode); 641 642 while (len >= sizeof(*tlv)) { 643 len -= sizeof(*tlv); 644 tlv = (void *)data; 645 646 tlv_len = le32_to_cpu(tlv->length); 647 tlv_type = le32_to_cpu(tlv->type); 648 tlv_data = tlv->data; 649 650 if (len < tlv_len) { 651 IWL_ERR(drv, "invalid TLV len: %zd/%u\n", 652 len, tlv_len); 653 return -EINVAL; 654 } 655 len -= ALIGN(tlv_len, 4); 656 data += sizeof(*tlv) + ALIGN(tlv_len, 4); 657 658 switch (tlv_type) { 659 case IWL_UCODE_TLV_INST: 660 set_sec_data(pieces, IWL_UCODE_REGULAR, 661 IWL_UCODE_SECTION_INST, tlv_data); 662 set_sec_size(pieces, IWL_UCODE_REGULAR, 663 IWL_UCODE_SECTION_INST, tlv_len); 664 set_sec_offset(pieces, IWL_UCODE_REGULAR, 665 IWL_UCODE_SECTION_INST, 666 IWLAGN_RTC_INST_LOWER_BOUND); 667 break; 668 case IWL_UCODE_TLV_DATA: 669 set_sec_data(pieces, IWL_UCODE_REGULAR, 670 IWL_UCODE_SECTION_DATA, tlv_data); 671 set_sec_size(pieces, IWL_UCODE_REGULAR, 672 IWL_UCODE_SECTION_DATA, tlv_len); 673 set_sec_offset(pieces, IWL_UCODE_REGULAR, 674 IWL_UCODE_SECTION_DATA, 675 IWLAGN_RTC_DATA_LOWER_BOUND); 676 break; 677 case IWL_UCODE_TLV_INIT: 678 set_sec_data(pieces, IWL_UCODE_INIT, 679 IWL_UCODE_SECTION_INST, tlv_data); 680 set_sec_size(pieces, IWL_UCODE_INIT, 681 IWL_UCODE_SECTION_INST, tlv_len); 682 set_sec_offset(pieces, IWL_UCODE_INIT, 683 IWL_UCODE_SECTION_INST, 684 IWLAGN_RTC_INST_LOWER_BOUND); 685 break; 686 case IWL_UCODE_TLV_INIT_DATA: 687 set_sec_data(pieces, IWL_UCODE_INIT, 688 IWL_UCODE_SECTION_DATA, tlv_data); 689 set_sec_size(pieces, IWL_UCODE_INIT, 690 IWL_UCODE_SECTION_DATA, tlv_len); 691 set_sec_offset(pieces, IWL_UCODE_INIT, 692 IWL_UCODE_SECTION_DATA, 693 IWLAGN_RTC_DATA_LOWER_BOUND); 694 break; 695 case IWL_UCODE_TLV_BOOT: 696 IWL_ERR(drv, "Found unexpected BOOT ucode\n"); 697 break; 698 case IWL_UCODE_TLV_PROBE_MAX_LEN: 699 if (tlv_len != sizeof(u32)) 700 goto invalid_tlv_len; 701 capa->max_probe_length = 702 le32_to_cpup((__le32 *)tlv_data); 703 break; 704 case IWL_UCODE_TLV_PAN: 705 if (tlv_len) 706 goto invalid_tlv_len; 707 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; 708 break; 709 case IWL_UCODE_TLV_FLAGS: 710 /* must be at least one u32 */ 711 if (tlv_len < sizeof(u32)) 712 goto invalid_tlv_len; 713 /* and a proper number of u32s */ 714 if (tlv_len % sizeof(u32)) 715 goto invalid_tlv_len; 716 /* 717 * This driver only reads the first u32 as 718 * right now no more features are defined, 719 * if that changes then either the driver 720 * will not work with the new firmware, or 721 * it'll not take advantage of new features. 722 */ 723 capa->flags = le32_to_cpup((__le32 *)tlv_data); 724 break; 725 case IWL_UCODE_TLV_API_CHANGES_SET: 726 if (tlv_len != sizeof(struct iwl_ucode_api)) 727 goto invalid_tlv_len; 728 iwl_set_ucode_api_flags(drv, tlv_data, capa); 729 break; 730 case IWL_UCODE_TLV_ENABLED_CAPABILITIES: 731 if (tlv_len != sizeof(struct iwl_ucode_capa)) 732 goto invalid_tlv_len; 733 iwl_set_ucode_capabilities(drv, tlv_data, capa); 734 break; 735 case IWL_UCODE_TLV_INIT_EVTLOG_PTR: 736 if (tlv_len != sizeof(u32)) 737 goto invalid_tlv_len; 738 pieces->init_evtlog_ptr = 739 le32_to_cpup((__le32 *)tlv_data); 740 break; 741 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: 742 if (tlv_len != sizeof(u32)) 743 goto invalid_tlv_len; 744 pieces->init_evtlog_size = 745 le32_to_cpup((__le32 *)tlv_data); 746 break; 747 case IWL_UCODE_TLV_INIT_ERRLOG_PTR: 748 if (tlv_len != sizeof(u32)) 749 goto invalid_tlv_len; 750 pieces->init_errlog_ptr = 751 le32_to_cpup((__le32 *)tlv_data); 752 break; 753 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: 754 if (tlv_len != sizeof(u32)) 755 goto invalid_tlv_len; 756 pieces->inst_evtlog_ptr = 757 le32_to_cpup((__le32 *)tlv_data); 758 break; 759 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: 760 if (tlv_len != sizeof(u32)) 761 goto invalid_tlv_len; 762 pieces->inst_evtlog_size = 763 le32_to_cpup((__le32 *)tlv_data); 764 break; 765 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: 766 if (tlv_len != sizeof(u32)) 767 goto invalid_tlv_len; 768 pieces->inst_errlog_ptr = 769 le32_to_cpup((__le32 *)tlv_data); 770 break; 771 case IWL_UCODE_TLV_ENHANCE_SENS_TBL: 772 if (tlv_len) 773 goto invalid_tlv_len; 774 drv->fw.enhance_sensitivity_table = true; 775 break; 776 case IWL_UCODE_TLV_WOWLAN_INST: 777 set_sec_data(pieces, IWL_UCODE_WOWLAN, 778 IWL_UCODE_SECTION_INST, tlv_data); 779 set_sec_size(pieces, IWL_UCODE_WOWLAN, 780 IWL_UCODE_SECTION_INST, tlv_len); 781 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 782 IWL_UCODE_SECTION_INST, 783 IWLAGN_RTC_INST_LOWER_BOUND); 784 break; 785 case IWL_UCODE_TLV_WOWLAN_DATA: 786 set_sec_data(pieces, IWL_UCODE_WOWLAN, 787 IWL_UCODE_SECTION_DATA, tlv_data); 788 set_sec_size(pieces, IWL_UCODE_WOWLAN, 789 IWL_UCODE_SECTION_DATA, tlv_len); 790 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 791 IWL_UCODE_SECTION_DATA, 792 IWLAGN_RTC_DATA_LOWER_BOUND); 793 break; 794 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: 795 if (tlv_len != sizeof(u32)) 796 goto invalid_tlv_len; 797 capa->standard_phy_calibration_size = 798 le32_to_cpup((__le32 *)tlv_data); 799 break; 800 case IWL_UCODE_TLV_SEC_RT: 801 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 802 tlv_len); 803 drv->fw.type = IWL_FW_MVM; 804 break; 805 case IWL_UCODE_TLV_SEC_INIT: 806 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 807 tlv_len); 808 drv->fw.type = IWL_FW_MVM; 809 break; 810 case IWL_UCODE_TLV_SEC_WOWLAN: 811 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 812 tlv_len); 813 drv->fw.type = IWL_FW_MVM; 814 break; 815 case IWL_UCODE_TLV_DEF_CALIB: 816 if (tlv_len != sizeof(struct iwl_tlv_calib_data)) 817 goto invalid_tlv_len; 818 if (iwl_set_default_calib(drv, tlv_data)) 819 goto tlv_error; 820 break; 821 case IWL_UCODE_TLV_PHY_SKU: 822 if (tlv_len != sizeof(u32)) 823 goto invalid_tlv_len; 824 drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data); 825 drv->fw.valid_tx_ant = (drv->fw.phy_config & 826 FW_PHY_CFG_TX_CHAIN) >> 827 FW_PHY_CFG_TX_CHAIN_POS; 828 drv->fw.valid_rx_ant = (drv->fw.phy_config & 829 FW_PHY_CFG_RX_CHAIN) >> 830 FW_PHY_CFG_RX_CHAIN_POS; 831 break; 832 case IWL_UCODE_TLV_SECURE_SEC_RT: 833 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 834 tlv_len); 835 drv->fw.type = IWL_FW_MVM; 836 break; 837 case IWL_UCODE_TLV_SECURE_SEC_INIT: 838 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 839 tlv_len); 840 drv->fw.type = IWL_FW_MVM; 841 break; 842 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN: 843 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 844 tlv_len); 845 drv->fw.type = IWL_FW_MVM; 846 break; 847 case IWL_UCODE_TLV_NUM_OF_CPU: 848 if (tlv_len != sizeof(u32)) 849 goto invalid_tlv_len; 850 num_of_cpus = 851 le32_to_cpup((__le32 *)tlv_data); 852 853 if (num_of_cpus == 2) { 854 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus = 855 true; 856 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus = 857 true; 858 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus = 859 true; 860 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) { 861 IWL_ERR(drv, "Driver support upto 2 CPUs\n"); 862 return -EINVAL; 863 } 864 break; 865 case IWL_UCODE_TLV_CSCHEME: 866 if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len)) 867 goto invalid_tlv_len; 868 break; 869 case IWL_UCODE_TLV_N_SCAN_CHANNELS: 870 if (tlv_len != sizeof(u32)) 871 goto invalid_tlv_len; 872 capa->n_scan_channels = 873 le32_to_cpup((__le32 *)tlv_data); 874 break; 875 case IWL_UCODE_TLV_FW_VERSION: { 876 __le32 *ptr = (void *)tlv_data; 877 u32 major, minor; 878 u8 local_comp; 879 880 if (tlv_len != sizeof(u32) * 3) 881 goto invalid_tlv_len; 882 883 major = le32_to_cpup(ptr++); 884 minor = le32_to_cpup(ptr++); 885 local_comp = le32_to_cpup(ptr); 886 887 if (major >= 35) 888 snprintf(drv->fw.fw_version, 889 sizeof(drv->fw.fw_version), 890 "%u.%08x.%u %s", major, minor, 891 local_comp, iwl_reduced_fw_name(drv)); 892 else 893 snprintf(drv->fw.fw_version, 894 sizeof(drv->fw.fw_version), 895 "%u.%u.%u %s", major, minor, 896 local_comp, iwl_reduced_fw_name(drv)); 897 break; 898 } 899 case IWL_UCODE_TLV_FW_DBG_DEST: { 900 struct iwl_fw_dbg_dest_tlv *dest = NULL; 901 struct iwl_fw_dbg_dest_tlv_v1 *dest_v1 = NULL; 902 u8 mon_mode; 903 904 pieces->dbg_dest_ver = (u8 *)tlv_data; 905 if (*pieces->dbg_dest_ver == 1) { 906 dest = (void *)tlv_data; 907 } else if (*pieces->dbg_dest_ver == 0) { 908 dest_v1 = (void *)tlv_data; 909 } else { 910 IWL_ERR(drv, 911 "The version is %d, and it is invalid\n", 912 *pieces->dbg_dest_ver); 913 break; 914 } 915 916 if (pieces->dbg_dest_tlv_init) { 917 IWL_ERR(drv, 918 "dbg destination ignored, already exists\n"); 919 break; 920 } 921 922 pieces->dbg_dest_tlv_init = true; 923 924 if (dest_v1) { 925 pieces->dbg_dest_tlv_v1 = dest_v1; 926 mon_mode = dest_v1->monitor_mode; 927 } else { 928 pieces->dbg_dest_tlv = dest; 929 mon_mode = dest->monitor_mode; 930 } 931 932 IWL_INFO(drv, "Found debug destination: %s\n", 933 get_fw_dbg_mode_string(mon_mode)); 934 935 drv->fw.dbg.n_dest_reg = (dest_v1) ? 936 tlv_len - 937 offsetof(struct iwl_fw_dbg_dest_tlv_v1, 938 reg_ops) : 939 tlv_len - 940 offsetof(struct iwl_fw_dbg_dest_tlv, 941 reg_ops); 942 943 drv->fw.dbg.n_dest_reg /= 944 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]); 945 946 break; 947 } 948 case IWL_UCODE_TLV_FW_DBG_CONF: { 949 struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data; 950 951 if (!pieces->dbg_dest_tlv_init) { 952 IWL_ERR(drv, 953 "Ignore dbg config %d - no destination configured\n", 954 conf->id); 955 break; 956 } 957 958 if (conf->id >= ARRAY_SIZE(drv->fw.dbg.conf_tlv)) { 959 IWL_ERR(drv, 960 "Skip unknown configuration: %d\n", 961 conf->id); 962 break; 963 } 964 965 if (pieces->dbg_conf_tlv[conf->id]) { 966 IWL_ERR(drv, 967 "Ignore duplicate dbg config %d\n", 968 conf->id); 969 break; 970 } 971 972 if (conf->usniffer) 973 usniffer_req = true; 974 975 IWL_INFO(drv, "Found debug configuration: %d\n", 976 conf->id); 977 978 pieces->dbg_conf_tlv[conf->id] = conf; 979 pieces->dbg_conf_tlv_len[conf->id] = tlv_len; 980 break; 981 } 982 case IWL_UCODE_TLV_FW_DBG_TRIGGER: { 983 struct iwl_fw_dbg_trigger_tlv *trigger = 984 (void *)tlv_data; 985 u32 trigger_id = le32_to_cpu(trigger->id); 986 987 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg.trigger_tlv)) { 988 IWL_ERR(drv, 989 "Skip unknown trigger: %u\n", 990 trigger->id); 991 break; 992 } 993 994 if (pieces->dbg_trigger_tlv[trigger_id]) { 995 IWL_ERR(drv, 996 "Ignore duplicate dbg trigger %u\n", 997 trigger->id); 998 break; 999 } 1000 1001 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id); 1002 1003 pieces->dbg_trigger_tlv[trigger_id] = trigger; 1004 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len; 1005 break; 1006 } 1007 case IWL_UCODE_TLV_FW_DBG_DUMP_LST: { 1008 if (tlv_len != sizeof(u32)) { 1009 IWL_ERR(drv, 1010 "dbg lst mask size incorrect, skip\n"); 1011 break; 1012 } 1013 1014 drv->fw.dbg.dump_mask = 1015 le32_to_cpup((__le32 *)tlv_data); 1016 break; 1017 } 1018 case IWL_UCODE_TLV_SEC_RT_USNIFFER: 1019 *usniffer_images = true; 1020 iwl_store_ucode_sec(pieces, tlv_data, 1021 IWL_UCODE_REGULAR_USNIFFER, 1022 tlv_len); 1023 break; 1024 case IWL_UCODE_TLV_PAGING: 1025 if (tlv_len != sizeof(u32)) 1026 goto invalid_tlv_len; 1027 paging_mem_size = le32_to_cpup((__le32 *)tlv_data); 1028 1029 IWL_DEBUG_FW(drv, 1030 "Paging: paging enabled (size = %u bytes)\n", 1031 paging_mem_size); 1032 1033 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) { 1034 IWL_ERR(drv, 1035 "Paging: driver supports up to %lu bytes for paging image\n", 1036 MAX_PAGING_IMAGE_SIZE); 1037 return -EINVAL; 1038 } 1039 1040 if (paging_mem_size & (FW_PAGING_SIZE - 1)) { 1041 IWL_ERR(drv, 1042 "Paging: image isn't multiple %lu\n", 1043 FW_PAGING_SIZE); 1044 return -EINVAL; 1045 } 1046 1047 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size = 1048 paging_mem_size; 1049 usniffer_img = IWL_UCODE_REGULAR_USNIFFER; 1050 drv->fw.img[usniffer_img].paging_mem_size = 1051 paging_mem_size; 1052 break; 1053 case IWL_UCODE_TLV_FW_GSCAN_CAPA: 1054 /* ignored */ 1055 break; 1056 case IWL_UCODE_TLV_FW_MEM_SEG: { 1057 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem = 1058 (void *)tlv_data; 1059 size_t size; 1060 struct iwl_fw_dbg_mem_seg_tlv *n; 1061 1062 if (tlv_len != (sizeof(*dbg_mem))) 1063 goto invalid_tlv_len; 1064 1065 IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n", 1066 dbg_mem->data_type); 1067 1068 size = sizeof(*pieces->dbg_mem_tlv) * 1069 (pieces->n_mem_tlv + 1); 1070 n = krealloc(pieces->dbg_mem_tlv, size, GFP_KERNEL); 1071 if (!n) 1072 return -ENOMEM; 1073 pieces->dbg_mem_tlv = n; 1074 pieces->dbg_mem_tlv[pieces->n_mem_tlv] = *dbg_mem; 1075 pieces->n_mem_tlv++; 1076 break; 1077 } 1078 case IWL_UCODE_TLV_IML: { 1079 drv->fw.iml_len = tlv_len; 1080 drv->fw.iml = kmemdup(tlv_data, tlv_len, GFP_KERNEL); 1081 if (!drv->fw.iml) 1082 return -ENOMEM; 1083 break; 1084 } 1085 case IWL_UCODE_TLV_FW_RECOVERY_INFO: { 1086 struct { 1087 __le32 buf_addr; 1088 __le32 buf_size; 1089 } *recov_info = (void *)tlv_data; 1090 1091 if (tlv_len != sizeof(*recov_info)) 1092 goto invalid_tlv_len; 1093 capa->error_log_addr = 1094 le32_to_cpu(recov_info->buf_addr); 1095 capa->error_log_size = 1096 le32_to_cpu(recov_info->buf_size); 1097 } 1098 break; 1099 case IWL_UCODE_TLV_FW_FSEQ_VERSION: { 1100 struct { 1101 u8 version[32]; 1102 u8 sha1[20]; 1103 } *fseq_ver = (void *)tlv_data; 1104 1105 if (tlv_len != sizeof(*fseq_ver)) 1106 goto invalid_tlv_len; 1107 IWL_INFO(drv, "TLV_FW_FSEQ_VERSION: %s\n", 1108 fseq_ver->version); 1109 } 1110 break; 1111 case IWL_UCODE_TLV_FW_NUM_STATIONS: 1112 if (tlv_len != sizeof(u32)) 1113 goto invalid_tlv_len; 1114 if (le32_to_cpup((__le32 *)tlv_data) > 1115 IWL_MVM_STATION_COUNT_MAX) { 1116 IWL_ERR(drv, 1117 "%d is an invalid number of station\n", 1118 le32_to_cpup((__le32 *)tlv_data)); 1119 goto tlv_error; 1120 } 1121 capa->num_stations = 1122 le32_to_cpup((__le32 *)tlv_data); 1123 break; 1124 case IWL_UCODE_TLV_UMAC_DEBUG_ADDRS: { 1125 struct iwl_umac_debug_addrs *dbg_ptrs = 1126 (void *)tlv_data; 1127 1128 if (tlv_len != sizeof(*dbg_ptrs)) 1129 goto invalid_tlv_len; 1130 if (drv->trans->trans_cfg->device_family < 1131 IWL_DEVICE_FAMILY_22000) 1132 break; 1133 drv->trans->dbg.umac_error_event_table = 1134 le32_to_cpu(dbg_ptrs->error_info_addr) & 1135 ~FW_ADDR_CACHE_CONTROL; 1136 drv->trans->dbg.error_event_table_tlv_status |= 1137 IWL_ERROR_EVENT_TABLE_UMAC; 1138 break; 1139 } 1140 case IWL_UCODE_TLV_LMAC_DEBUG_ADDRS: { 1141 struct iwl_lmac_debug_addrs *dbg_ptrs = 1142 (void *)tlv_data; 1143 1144 if (tlv_len != sizeof(*dbg_ptrs)) 1145 goto invalid_tlv_len; 1146 if (drv->trans->trans_cfg->device_family < 1147 IWL_DEVICE_FAMILY_22000) 1148 break; 1149 drv->trans->dbg.lmac_error_event_table[0] = 1150 le32_to_cpu(dbg_ptrs->error_event_table_ptr) & 1151 ~FW_ADDR_CACHE_CONTROL; 1152 drv->trans->dbg.error_event_table_tlv_status |= 1153 IWL_ERROR_EVENT_TABLE_LMAC1; 1154 break; 1155 } 1156 case IWL_UCODE_TLV_TCM_DEBUG_ADDRS: { 1157 struct iwl_fw_tcm_error_addr *ptr = (void *)tlv_data; 1158 1159 if (tlv_len != sizeof(*ptr)) 1160 goto invalid_tlv_len; 1161 drv->trans->dbg.tcm_error_event_table = 1162 le32_to_cpu(ptr->addr) & ~FW_ADDR_CACHE_CONTROL; 1163 drv->trans->dbg.error_event_table_tlv_status |= 1164 IWL_ERROR_EVENT_TABLE_TCM; 1165 break; 1166 } 1167 case IWL_UCODE_TLV_TYPE_DEBUG_INFO: 1168 case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION: 1169 case IWL_UCODE_TLV_TYPE_HCMD: 1170 case IWL_UCODE_TLV_TYPE_REGIONS: 1171 case IWL_UCODE_TLV_TYPE_TRIGGERS: 1172 case IWL_UCODE_TLV_TYPE_CONF_SET: 1173 if (iwlwifi_mod_params.enable_ini) 1174 iwl_dbg_tlv_alloc(drv->trans, tlv, false); 1175 break; 1176 case IWL_UCODE_TLV_CMD_VERSIONS: 1177 if (tlv_len % sizeof(struct iwl_fw_cmd_version)) { 1178 IWL_ERR(drv, 1179 "Invalid length for command versions: %u\n", 1180 tlv_len); 1181 tlv_len /= sizeof(struct iwl_fw_cmd_version); 1182 tlv_len *= sizeof(struct iwl_fw_cmd_version); 1183 } 1184 if (WARN_ON(capa->cmd_versions)) 1185 return -EINVAL; 1186 capa->cmd_versions = kmemdup(tlv_data, tlv_len, 1187 GFP_KERNEL); 1188 if (!capa->cmd_versions) 1189 return -ENOMEM; 1190 capa->n_cmd_versions = 1191 tlv_len / sizeof(struct iwl_fw_cmd_version); 1192 break; 1193 case IWL_UCODE_TLV_PHY_INTEGRATION_VERSION: 1194 if (drv->fw.phy_integration_ver) { 1195 IWL_ERR(drv, 1196 "phy integration str ignored, already exists\n"); 1197 break; 1198 } 1199 1200 drv->fw.phy_integration_ver = 1201 kmemdup(tlv_data, tlv_len, GFP_KERNEL); 1202 if (!drv->fw.phy_integration_ver) 1203 return -ENOMEM; 1204 drv->fw.phy_integration_ver_len = tlv_len; 1205 break; 1206 case IWL_UCODE_TLV_SEC_TABLE_ADDR: 1207 case IWL_UCODE_TLV_D3_KEK_KCK_ADDR: 1208 iwl_drv_set_dump_exclude(drv, tlv_type, 1209 tlv_data, tlv_len); 1210 break; 1211 default: 1212 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); 1213 break; 1214 } 1215 } 1216 1217 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) && 1218 usniffer_req && !*usniffer_images) { 1219 IWL_ERR(drv, 1220 "user selected to work with usniffer but usniffer image isn't available in ucode package\n"); 1221 return -EINVAL; 1222 } 1223 1224 if (len) { 1225 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); 1226 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len); 1227 return -EINVAL; 1228 } 1229 1230 return 0; 1231 1232 invalid_tlv_len: 1233 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); 1234 tlv_error: 1235 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); 1236 1237 return -EINVAL; 1238 } 1239 1240 static int iwl_alloc_ucode(struct iwl_drv *drv, 1241 struct iwl_firmware_pieces *pieces, 1242 enum iwl_ucode_type type) 1243 { 1244 int i; 1245 struct fw_desc *sec; 1246 1247 sec = kcalloc(pieces->img[type].sec_counter, sizeof(*sec), GFP_KERNEL); 1248 if (!sec) 1249 return -ENOMEM; 1250 drv->fw.img[type].sec = sec; 1251 drv->fw.img[type].num_sec = pieces->img[type].sec_counter; 1252 1253 for (i = 0; i < pieces->img[type].sec_counter; i++) 1254 if (iwl_alloc_fw_desc(drv, &sec[i], get_sec(pieces, type, i))) 1255 return -ENOMEM; 1256 1257 return 0; 1258 } 1259 1260 static int validate_sec_sizes(struct iwl_drv *drv, 1261 struct iwl_firmware_pieces *pieces, 1262 const struct iwl_cfg *cfg) 1263 { 1264 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %zd\n", 1265 get_sec_size(pieces, IWL_UCODE_REGULAR, 1266 IWL_UCODE_SECTION_INST)); 1267 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %zd\n", 1268 get_sec_size(pieces, IWL_UCODE_REGULAR, 1269 IWL_UCODE_SECTION_DATA)); 1270 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %zd\n", 1271 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); 1272 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %zd\n", 1273 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); 1274 1275 /* Verify that uCode images will fit in card's SRAM. */ 1276 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > 1277 cfg->max_inst_size) { 1278 IWL_ERR(drv, "uCode instr len %zd too large to fit in\n", 1279 get_sec_size(pieces, IWL_UCODE_REGULAR, 1280 IWL_UCODE_SECTION_INST)); 1281 return -1; 1282 } 1283 1284 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > 1285 cfg->max_data_size) { 1286 IWL_ERR(drv, "uCode data len %zd too large to fit in\n", 1287 get_sec_size(pieces, IWL_UCODE_REGULAR, 1288 IWL_UCODE_SECTION_DATA)); 1289 return -1; 1290 } 1291 1292 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > 1293 cfg->max_inst_size) { 1294 IWL_ERR(drv, "uCode init instr len %zd too large to fit in\n", 1295 get_sec_size(pieces, IWL_UCODE_INIT, 1296 IWL_UCODE_SECTION_INST)); 1297 return -1; 1298 } 1299 1300 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > 1301 cfg->max_data_size) { 1302 IWL_ERR(drv, "uCode init data len %zd too large to fit in\n", 1303 get_sec_size(pieces, IWL_UCODE_REGULAR, 1304 IWL_UCODE_SECTION_DATA)); 1305 return -1; 1306 } 1307 return 0; 1308 } 1309 1310 static struct iwl_op_mode * 1311 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op) 1312 { 1313 const struct iwl_op_mode_ops *ops = op->ops; 1314 struct dentry *dbgfs_dir = NULL; 1315 struct iwl_op_mode *op_mode = NULL; 1316 int retry, max_retry = !!iwlwifi_mod_params.fw_restart * IWL_MAX_INIT_RETRY; 1317 1318 for (retry = 0; retry <= max_retry; retry++) { 1319 1320 #ifdef CONFIG_IWLWIFI_DEBUGFS 1321 drv->dbgfs_op_mode = debugfs_create_dir(op->name, 1322 drv->dbgfs_drv); 1323 dbgfs_dir = drv->dbgfs_op_mode; 1324 #endif 1325 1326 op_mode = ops->start(drv->trans, drv->trans->cfg, 1327 &drv->fw, dbgfs_dir); 1328 1329 if (op_mode) 1330 return op_mode; 1331 1332 IWL_ERR(drv, "retry init count %d\n", retry); 1333 1334 #ifdef CONFIG_IWLWIFI_DEBUGFS 1335 debugfs_remove_recursive(drv->dbgfs_op_mode); 1336 drv->dbgfs_op_mode = NULL; 1337 #endif 1338 } 1339 1340 return NULL; 1341 } 1342 1343 static void _iwl_op_mode_stop(struct iwl_drv *drv) 1344 { 1345 /* op_mode can be NULL if its start failed */ 1346 if (drv->op_mode) { 1347 iwl_op_mode_stop(drv->op_mode); 1348 drv->op_mode = NULL; 1349 1350 #ifdef CONFIG_IWLWIFI_DEBUGFS 1351 debugfs_remove_recursive(drv->dbgfs_op_mode); 1352 drv->dbgfs_op_mode = NULL; 1353 #endif 1354 } 1355 } 1356 1357 /* 1358 * iwl_req_fw_callback - callback when firmware was loaded 1359 * 1360 * If loaded successfully, copies the firmware into buffers 1361 * for the card to fetch (via DMA). 1362 */ 1363 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) 1364 { 1365 struct iwl_drv *drv = context; 1366 struct iwl_fw *fw = &drv->fw; 1367 struct iwl_ucode_header *ucode; 1368 struct iwlwifi_opmode_table *op; 1369 int err; 1370 struct iwl_firmware_pieces *pieces; 1371 const unsigned int api_max = drv->trans->cfg->ucode_api_max; 1372 const unsigned int api_min = drv->trans->cfg->ucode_api_min; 1373 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX]; 1374 u32 api_ver; 1375 int i; 1376 bool load_module = false; 1377 bool usniffer_images = false; 1378 1379 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH; 1380 fw->ucode_capa.standard_phy_calibration_size = 1381 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1382 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS; 1383 fw->ucode_capa.num_stations = IWL_MVM_STATION_COUNT_MAX; 1384 /* dump all fw memory areas by default */ 1385 fw->dbg.dump_mask = 0xffffffff; 1386 1387 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL); 1388 if (!pieces) 1389 goto out_free_fw; 1390 1391 if (!ucode_raw) 1392 goto try_again; 1393 1394 IWL_DEBUG_FW_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n", 1395 drv->firmware_name, ucode_raw->size); 1396 1397 /* Make sure that we got at least the API version number */ 1398 if (ucode_raw->size < 4) { 1399 IWL_ERR(drv, "File size way too small!\n"); 1400 goto try_again; 1401 } 1402 1403 /* Data from ucode file: header followed by uCode images */ 1404 ucode = (struct iwl_ucode_header *)ucode_raw->data; 1405 1406 if (ucode->ver) 1407 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces); 1408 else 1409 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces, 1410 &fw->ucode_capa, &usniffer_images); 1411 1412 if (err) 1413 goto try_again; 1414 1415 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION)) 1416 api_ver = drv->fw.ucode_ver; 1417 else 1418 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 1419 1420 /* 1421 * api_ver should match the api version forming part of the 1422 * firmware filename ... but we don't check for that and only rely 1423 * on the API version read from firmware header from here on forward 1424 */ 1425 if (api_ver < api_min || api_ver > api_max) { 1426 IWL_ERR(drv, 1427 "Driver unable to support your firmware API. " 1428 "Driver supports v%u, firmware is v%u.\n", 1429 api_max, api_ver); 1430 goto try_again; 1431 } 1432 1433 /* 1434 * In mvm uCode there is no difference between data and instructions 1435 * sections. 1436 */ 1437 if (fw->type == IWL_FW_DVM && validate_sec_sizes(drv, pieces, 1438 drv->trans->cfg)) 1439 goto try_again; 1440 1441 /* Allocate ucode buffers for card's bus-master loading ... */ 1442 1443 /* Runtime instructions and 2 copies of data: 1444 * 1) unmodified from disk 1445 * 2) backup cache for save/restore during power-downs 1446 */ 1447 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 1448 if (iwl_alloc_ucode(drv, pieces, i)) 1449 goto out_free_fw; 1450 1451 if (pieces->dbg_dest_tlv_init) { 1452 size_t dbg_dest_size = sizeof(*drv->fw.dbg.dest_tlv) + 1453 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * 1454 drv->fw.dbg.n_dest_reg; 1455 1456 drv->fw.dbg.dest_tlv = kmalloc(dbg_dest_size, GFP_KERNEL); 1457 1458 if (!drv->fw.dbg.dest_tlv) 1459 goto out_free_fw; 1460 1461 if (*pieces->dbg_dest_ver == 0) { 1462 memcpy(drv->fw.dbg.dest_tlv, pieces->dbg_dest_tlv_v1, 1463 dbg_dest_size); 1464 } else { 1465 struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv = 1466 drv->fw.dbg.dest_tlv; 1467 1468 dest_tlv->version = pieces->dbg_dest_tlv->version; 1469 dest_tlv->monitor_mode = 1470 pieces->dbg_dest_tlv->monitor_mode; 1471 dest_tlv->size_power = 1472 pieces->dbg_dest_tlv->size_power; 1473 dest_tlv->wrap_count = 1474 pieces->dbg_dest_tlv->wrap_count; 1475 dest_tlv->write_ptr_reg = 1476 pieces->dbg_dest_tlv->write_ptr_reg; 1477 dest_tlv->base_shift = 1478 pieces->dbg_dest_tlv->base_shift; 1479 memcpy(dest_tlv->reg_ops, 1480 pieces->dbg_dest_tlv->reg_ops, 1481 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * 1482 drv->fw.dbg.n_dest_reg); 1483 1484 /* In version 1 of the destination tlv, which is 1485 * relevant for internal buffer exclusively, 1486 * the base address is part of given with the length 1487 * of the buffer, and the size shift is give instead of 1488 * end shift. We now store these values in base_reg, 1489 * and end shift, and when dumping the data we'll 1490 * manipulate it for extracting both the length and 1491 * base address */ 1492 dest_tlv->base_reg = pieces->dbg_dest_tlv->cfg_reg; 1493 dest_tlv->end_shift = 1494 pieces->dbg_dest_tlv->size_shift; 1495 } 1496 } 1497 1498 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) { 1499 if (pieces->dbg_conf_tlv[i]) { 1500 drv->fw.dbg.conf_tlv[i] = 1501 kmemdup(pieces->dbg_conf_tlv[i], 1502 pieces->dbg_conf_tlv_len[i], 1503 GFP_KERNEL); 1504 if (!drv->fw.dbg.conf_tlv[i]) 1505 goto out_free_fw; 1506 } 1507 } 1508 1509 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz)); 1510 1511 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] = 1512 sizeof(struct iwl_fw_dbg_trigger_missed_bcon); 1513 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0; 1514 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] = 1515 sizeof(struct iwl_fw_dbg_trigger_cmd); 1516 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] = 1517 sizeof(struct iwl_fw_dbg_trigger_mlme); 1518 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] = 1519 sizeof(struct iwl_fw_dbg_trigger_stats); 1520 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] = 1521 sizeof(struct iwl_fw_dbg_trigger_low_rssi); 1522 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] = 1523 sizeof(struct iwl_fw_dbg_trigger_txq_timer); 1524 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] = 1525 sizeof(struct iwl_fw_dbg_trigger_time_event); 1526 trigger_tlv_sz[FW_DBG_TRIGGER_BA] = 1527 sizeof(struct iwl_fw_dbg_trigger_ba); 1528 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] = 1529 sizeof(struct iwl_fw_dbg_trigger_tdls); 1530 1531 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) { 1532 if (pieces->dbg_trigger_tlv[i]) { 1533 /* 1534 * If the trigger isn't long enough, WARN and exit. 1535 * Someone is trying to debug something and he won't 1536 * be able to catch the bug he is trying to chase. 1537 * We'd better be noisy to be sure he knows what's 1538 * going on. 1539 */ 1540 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] < 1541 (trigger_tlv_sz[i] + 1542 sizeof(struct iwl_fw_dbg_trigger_tlv)))) 1543 goto out_free_fw; 1544 drv->fw.dbg.trigger_tlv_len[i] = 1545 pieces->dbg_trigger_tlv_len[i]; 1546 drv->fw.dbg.trigger_tlv[i] = 1547 kmemdup(pieces->dbg_trigger_tlv[i], 1548 drv->fw.dbg.trigger_tlv_len[i], 1549 GFP_KERNEL); 1550 if (!drv->fw.dbg.trigger_tlv[i]) 1551 goto out_free_fw; 1552 } 1553 } 1554 1555 /* Now that we can no longer fail, copy information */ 1556 1557 drv->fw.dbg.mem_tlv = pieces->dbg_mem_tlv; 1558 pieces->dbg_mem_tlv = NULL; 1559 drv->fw.dbg.n_mem_tlv = pieces->n_mem_tlv; 1560 1561 /* 1562 * The (size - 16) / 12 formula is based on the information recorded 1563 * for each event, which is of mode 1 (including timestamp) for all 1564 * new microcodes that include this information. 1565 */ 1566 fw->init_evtlog_ptr = pieces->init_evtlog_ptr; 1567 if (pieces->init_evtlog_size) 1568 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12; 1569 else 1570 fw->init_evtlog_size = 1571 drv->trans->trans_cfg->base_params->max_event_log_size; 1572 fw->init_errlog_ptr = pieces->init_errlog_ptr; 1573 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr; 1574 if (pieces->inst_evtlog_size) 1575 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12; 1576 else 1577 fw->inst_evtlog_size = 1578 drv->trans->trans_cfg->base_params->max_event_log_size; 1579 fw->inst_errlog_ptr = pieces->inst_errlog_ptr; 1580 1581 /* 1582 * figure out the offset of chain noise reset and gain commands 1583 * base on the size of standard phy calibration commands table size 1584 */ 1585 if (fw->ucode_capa.standard_phy_calibration_size > 1586 IWL_MAX_PHY_CALIBRATE_TBL_SIZE) 1587 fw->ucode_capa.standard_phy_calibration_size = 1588 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1589 1590 /* We have our copies now, allow OS release its copies */ 1591 release_firmware(ucode_raw); 1592 1593 mutex_lock(&iwlwifi_opmode_table_mtx); 1594 switch (fw->type) { 1595 case IWL_FW_DVM: 1596 op = &iwlwifi_opmode_table[DVM_OP_MODE]; 1597 break; 1598 default: 1599 WARN(1, "Invalid fw type %d\n", fw->type); 1600 fallthrough; 1601 case IWL_FW_MVM: 1602 op = &iwlwifi_opmode_table[MVM_OP_MODE]; 1603 break; 1604 } 1605 1606 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n", 1607 drv->fw.fw_version, op->name); 1608 1609 iwl_dbg_tlv_load_bin(drv->trans->dev, drv->trans); 1610 1611 /* add this device to the list of devices using this op_mode */ 1612 list_add_tail(&drv->list, &op->drv); 1613 1614 if (op->ops) { 1615 drv->op_mode = _iwl_op_mode_start(drv, op); 1616 1617 if (!drv->op_mode) { 1618 mutex_unlock(&iwlwifi_opmode_table_mtx); 1619 goto out_unbind; 1620 } 1621 } else { 1622 load_module = true; 1623 } 1624 mutex_unlock(&iwlwifi_opmode_table_mtx); 1625 1626 /* 1627 * Complete the firmware request last so that 1628 * a driver unbind (stop) doesn't run while we 1629 * are doing the start() above. 1630 */ 1631 complete(&drv->request_firmware_complete); 1632 1633 /* 1634 * Load the module last so we don't block anything 1635 * else from proceeding if the module fails to load 1636 * or hangs loading. 1637 */ 1638 if (load_module) { 1639 request_module("%s", op->name); 1640 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR 1641 if (err) 1642 IWL_ERR(drv, 1643 "failed to load module %s (error %d), is dynamic loading enabled?\n", 1644 op->name, err); 1645 #endif 1646 } 1647 goto free; 1648 1649 try_again: 1650 /* try next, if any */ 1651 release_firmware(ucode_raw); 1652 if (iwl_request_firmware(drv, false)) 1653 goto out_unbind; 1654 goto free; 1655 1656 out_free_fw: 1657 release_firmware(ucode_raw); 1658 out_unbind: 1659 complete(&drv->request_firmware_complete); 1660 device_release_driver(drv->trans->dev); 1661 free: 1662 if (pieces) { 1663 for (i = 0; i < ARRAY_SIZE(pieces->img); i++) 1664 kfree(pieces->img[i].sec); 1665 kfree(pieces->dbg_mem_tlv); 1666 kfree(pieces); 1667 } 1668 } 1669 1670 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans) 1671 { 1672 struct iwl_drv *drv; 1673 int ret; 1674 1675 drv = kzalloc(sizeof(*drv), GFP_KERNEL); 1676 if (!drv) { 1677 ret = -ENOMEM; 1678 goto err; 1679 } 1680 1681 drv->trans = trans; 1682 drv->dev = trans->dev; 1683 1684 init_completion(&drv->request_firmware_complete); 1685 INIT_LIST_HEAD(&drv->list); 1686 1687 #ifdef CONFIG_IWLWIFI_DEBUGFS 1688 /* Create the device debugfs entries. */ 1689 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev), 1690 iwl_dbgfs_root); 1691 1692 /* Create transport layer debugfs dir */ 1693 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv); 1694 #endif 1695 1696 drv->trans->dbg.domains_bitmap = IWL_TRANS_FW_DBG_DOMAIN(drv->trans); 1697 1698 ret = iwl_request_firmware(drv, true); 1699 if (ret) { 1700 IWL_ERR(trans, "Couldn't request the fw\n"); 1701 goto err_fw; 1702 } 1703 1704 return drv; 1705 1706 err_fw: 1707 #ifdef CONFIG_IWLWIFI_DEBUGFS 1708 debugfs_remove_recursive(drv->dbgfs_drv); 1709 iwl_dbg_tlv_free(drv->trans); 1710 #endif 1711 kfree(drv); 1712 err: 1713 return ERR_PTR(ret); 1714 } 1715 1716 void iwl_drv_stop(struct iwl_drv *drv) 1717 { 1718 wait_for_completion(&drv->request_firmware_complete); 1719 1720 _iwl_op_mode_stop(drv); 1721 1722 iwl_dealloc_ucode(drv); 1723 1724 mutex_lock(&iwlwifi_opmode_table_mtx); 1725 /* 1726 * List is empty (this item wasn't added) 1727 * when firmware loading failed -- in that 1728 * case we can't remove it from any list. 1729 */ 1730 if (!list_empty(&drv->list)) 1731 list_del(&drv->list); 1732 mutex_unlock(&iwlwifi_opmode_table_mtx); 1733 1734 #ifdef CONFIG_IWLWIFI_DEBUGFS 1735 drv->trans->ops->debugfs_cleanup(drv->trans); 1736 1737 debugfs_remove_recursive(drv->dbgfs_drv); 1738 #endif 1739 1740 iwl_dbg_tlv_free(drv->trans); 1741 1742 kfree(drv); 1743 } 1744 1745 1746 /* shared module parameters */ 1747 struct iwl_mod_params iwlwifi_mod_params = { 1748 .fw_restart = true, 1749 .bt_coex_active = true, 1750 .power_level = IWL_POWER_INDEX_1, 1751 .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT, 1752 .enable_ini = true, 1753 /* the rest are 0 by default */ 1754 }; 1755 IWL_EXPORT_SYMBOL(iwlwifi_mod_params); 1756 1757 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops) 1758 { 1759 int i; 1760 struct iwl_drv *drv; 1761 struct iwlwifi_opmode_table *op; 1762 1763 mutex_lock(&iwlwifi_opmode_table_mtx); 1764 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1765 op = &iwlwifi_opmode_table[i]; 1766 if (strcmp(op->name, name)) 1767 continue; 1768 op->ops = ops; 1769 /* TODO: need to handle exceptional case */ 1770 list_for_each_entry(drv, &op->drv, list) 1771 drv->op_mode = _iwl_op_mode_start(drv, op); 1772 1773 mutex_unlock(&iwlwifi_opmode_table_mtx); 1774 return 0; 1775 } 1776 mutex_unlock(&iwlwifi_opmode_table_mtx); 1777 return -EIO; 1778 } 1779 IWL_EXPORT_SYMBOL(iwl_opmode_register); 1780 1781 void iwl_opmode_deregister(const char *name) 1782 { 1783 int i; 1784 struct iwl_drv *drv; 1785 1786 mutex_lock(&iwlwifi_opmode_table_mtx); 1787 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1788 if (strcmp(iwlwifi_opmode_table[i].name, name)) 1789 continue; 1790 iwlwifi_opmode_table[i].ops = NULL; 1791 1792 /* call the stop routine for all devices */ 1793 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list) 1794 _iwl_op_mode_stop(drv); 1795 1796 mutex_unlock(&iwlwifi_opmode_table_mtx); 1797 return; 1798 } 1799 mutex_unlock(&iwlwifi_opmode_table_mtx); 1800 } 1801 IWL_EXPORT_SYMBOL(iwl_opmode_deregister); 1802 1803 static int __init iwl_drv_init(void) 1804 { 1805 int i, err; 1806 1807 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) 1808 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv); 1809 1810 pr_info(DRV_DESCRIPTION "\n"); 1811 1812 #ifdef CONFIG_IWLWIFI_DEBUGFS 1813 /* Create the root of iwlwifi debugfs subsystem. */ 1814 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL); 1815 #endif 1816 1817 err = iwl_pci_register_driver(); 1818 if (err) 1819 goto cleanup_debugfs; 1820 1821 return 0; 1822 1823 cleanup_debugfs: 1824 #ifdef CONFIG_IWLWIFI_DEBUGFS 1825 debugfs_remove_recursive(iwl_dbgfs_root); 1826 #endif 1827 return err; 1828 } 1829 module_init(iwl_drv_init); 1830 1831 static void __exit iwl_drv_exit(void) 1832 { 1833 iwl_pci_unregister_driver(); 1834 1835 #ifdef CONFIG_IWLWIFI_DEBUGFS 1836 debugfs_remove_recursive(iwl_dbgfs_root); 1837 #endif 1838 } 1839 module_exit(iwl_drv_exit); 1840 1841 #ifdef CONFIG_IWLWIFI_DEBUG 1842 module_param_named(debug, iwlwifi_mod_params.debug_level, uint, 0644); 1843 MODULE_PARM_DESC(debug, "debug output mask"); 1844 #endif 1845 1846 module_param_named(swcrypto, iwlwifi_mod_params.swcrypto, int, 0444); 1847 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); 1848 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, 0444); 1849 MODULE_PARM_DESC(11n_disable, 1850 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX"); 1851 module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, int, 0444); 1852 MODULE_PARM_DESC(amsdu_size, 1853 "amsdu size 0: 12K for multi Rx queue devices, 2K for AX210 devices, " 1854 "4K for other devices 1:4K 2:8K 3:12K (16K buffers) 4: 2K (default 0)"); 1855 module_param_named(fw_restart, iwlwifi_mod_params.fw_restart, bool, 0444); 1856 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)"); 1857 1858 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, 0444); 1859 MODULE_PARM_DESC(nvm_file, "NVM file name"); 1860 1861 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, uint, 0644); 1862 MODULE_PARM_DESC(uapsd_disable, 1863 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)"); 1864 module_param_named(enable_ini, iwlwifi_mod_params.enable_ini, 1865 bool, S_IRUGO | S_IWUSR); 1866 MODULE_PARM_DESC(enable_ini, 1867 "Enable debug INI TLV FW debug infrastructure (default: true"); 1868 1869 /* 1870 * set bt_coex_active to true, uCode will do kill/defer 1871 * every time the priority line is asserted (BT is sending signals on the 1872 * priority line in the PCIx). 1873 * set bt_coex_active to false, uCode will ignore the BT activity and 1874 * perform the normal operation 1875 * 1876 * User might experience transmit issue on some platform due to WiFi/BT 1877 * co-exist problem. The possible behaviors are: 1878 * Able to scan and finding all the available AP 1879 * Not able to associate with any AP 1880 * On those platforms, WiFi communication can be restored by set 1881 * "bt_coex_active" module parameter to "false" 1882 * 1883 * default: bt_coex_active = true (BT_COEX_ENABLE) 1884 */ 1885 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active, 1886 bool, 0444); 1887 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); 1888 1889 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, 0444); 1890 MODULE_PARM_DESC(led_mode, "0=system default, " 1891 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); 1892 1893 module_param_named(power_save, iwlwifi_mod_params.power_save, bool, 0444); 1894 MODULE_PARM_DESC(power_save, 1895 "enable WiFi power management (default: disable)"); 1896 1897 module_param_named(power_level, iwlwifi_mod_params.power_level, int, 0444); 1898 MODULE_PARM_DESC(power_level, 1899 "default power save level (range from 1 - 5, default: 1)"); 1900 1901 module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, 0444); 1902 MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)"); 1903 1904 module_param_named(remove_when_gone, 1905 iwlwifi_mod_params.remove_when_gone, bool, 1906 0444); 1907 MODULE_PARM_DESC(remove_when_gone, 1908 "Remove dev from PCIe bus if it is deemed inaccessible (default: false)"); 1909 1910 module_param_named(disable_11ax, iwlwifi_mod_params.disable_11ax, bool, 1911 S_IRUGO); 1912 MODULE_PARM_DESC(disable_11ax, "Disable HE capabilities (default: false)"); 1913