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); 130 131 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 #define FW_ADDR_CACHE_CONTROL 0xC0000000 553 554 static int iwl_parse_tlv_firmware(struct iwl_drv *drv, 555 const struct firmware *ucode_raw, 556 struct iwl_firmware_pieces *pieces, 557 struct iwl_ucode_capabilities *capa, 558 bool *usniffer_images) 559 { 560 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; 561 struct iwl_ucode_tlv *tlv; 562 size_t len = ucode_raw->size; 563 const u8 *data; 564 u32 tlv_len; 565 u32 usniffer_img; 566 enum iwl_ucode_tlv_type tlv_type; 567 const u8 *tlv_data; 568 char buildstr[25]; 569 u32 build, paging_mem_size; 570 int num_of_cpus; 571 bool usniffer_req = false; 572 573 if (len < sizeof(*ucode)) { 574 IWL_ERR(drv, "uCode has invalid length: %zd\n", len); 575 return -EINVAL; 576 } 577 578 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { 579 IWL_ERR(drv, "invalid uCode magic: 0X%x\n", 580 le32_to_cpu(ucode->magic)); 581 return -EINVAL; 582 } 583 584 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 585 memcpy(drv->fw.human_readable, ucode->human_readable, 586 sizeof(drv->fw.human_readable)); 587 build = le32_to_cpu(ucode->build); 588 589 if (build) 590 sprintf(buildstr, " build %u", build); 591 else 592 buildstr[0] = '\0'; 593 594 snprintf(drv->fw.fw_version, 595 sizeof(drv->fw.fw_version), 596 "%u.%u.%u.%u%s %s", 597 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 598 IWL_UCODE_MINOR(drv->fw.ucode_ver), 599 IWL_UCODE_API(drv->fw.ucode_ver), 600 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 601 buildstr, iwl_reduced_fw_name(drv)); 602 603 data = ucode->data; 604 605 len -= sizeof(*ucode); 606 607 while (len >= sizeof(*tlv)) { 608 len -= sizeof(*tlv); 609 tlv = (void *)data; 610 611 tlv_len = le32_to_cpu(tlv->length); 612 tlv_type = le32_to_cpu(tlv->type); 613 tlv_data = tlv->data; 614 615 if (len < tlv_len) { 616 IWL_ERR(drv, "invalid TLV len: %zd/%u\n", 617 len, tlv_len); 618 return -EINVAL; 619 } 620 len -= ALIGN(tlv_len, 4); 621 data += sizeof(*tlv) + ALIGN(tlv_len, 4); 622 623 switch (tlv_type) { 624 case IWL_UCODE_TLV_INST: 625 set_sec_data(pieces, IWL_UCODE_REGULAR, 626 IWL_UCODE_SECTION_INST, tlv_data); 627 set_sec_size(pieces, IWL_UCODE_REGULAR, 628 IWL_UCODE_SECTION_INST, tlv_len); 629 set_sec_offset(pieces, IWL_UCODE_REGULAR, 630 IWL_UCODE_SECTION_INST, 631 IWLAGN_RTC_INST_LOWER_BOUND); 632 break; 633 case IWL_UCODE_TLV_DATA: 634 set_sec_data(pieces, IWL_UCODE_REGULAR, 635 IWL_UCODE_SECTION_DATA, tlv_data); 636 set_sec_size(pieces, IWL_UCODE_REGULAR, 637 IWL_UCODE_SECTION_DATA, tlv_len); 638 set_sec_offset(pieces, IWL_UCODE_REGULAR, 639 IWL_UCODE_SECTION_DATA, 640 IWLAGN_RTC_DATA_LOWER_BOUND); 641 break; 642 case IWL_UCODE_TLV_INIT: 643 set_sec_data(pieces, IWL_UCODE_INIT, 644 IWL_UCODE_SECTION_INST, tlv_data); 645 set_sec_size(pieces, IWL_UCODE_INIT, 646 IWL_UCODE_SECTION_INST, tlv_len); 647 set_sec_offset(pieces, IWL_UCODE_INIT, 648 IWL_UCODE_SECTION_INST, 649 IWLAGN_RTC_INST_LOWER_BOUND); 650 break; 651 case IWL_UCODE_TLV_INIT_DATA: 652 set_sec_data(pieces, IWL_UCODE_INIT, 653 IWL_UCODE_SECTION_DATA, tlv_data); 654 set_sec_size(pieces, IWL_UCODE_INIT, 655 IWL_UCODE_SECTION_DATA, tlv_len); 656 set_sec_offset(pieces, IWL_UCODE_INIT, 657 IWL_UCODE_SECTION_DATA, 658 IWLAGN_RTC_DATA_LOWER_BOUND); 659 break; 660 case IWL_UCODE_TLV_BOOT: 661 IWL_ERR(drv, "Found unexpected BOOT ucode\n"); 662 break; 663 case IWL_UCODE_TLV_PROBE_MAX_LEN: 664 if (tlv_len != sizeof(u32)) 665 goto invalid_tlv_len; 666 capa->max_probe_length = 667 le32_to_cpup((__le32 *)tlv_data); 668 break; 669 case IWL_UCODE_TLV_PAN: 670 if (tlv_len) 671 goto invalid_tlv_len; 672 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; 673 break; 674 case IWL_UCODE_TLV_FLAGS: 675 /* must be at least one u32 */ 676 if (tlv_len < sizeof(u32)) 677 goto invalid_tlv_len; 678 /* and a proper number of u32s */ 679 if (tlv_len % sizeof(u32)) 680 goto invalid_tlv_len; 681 /* 682 * This driver only reads the first u32 as 683 * right now no more features are defined, 684 * if that changes then either the driver 685 * will not work with the new firmware, or 686 * it'll not take advantage of new features. 687 */ 688 capa->flags = le32_to_cpup((__le32 *)tlv_data); 689 break; 690 case IWL_UCODE_TLV_API_CHANGES_SET: 691 if (tlv_len != sizeof(struct iwl_ucode_api)) 692 goto invalid_tlv_len; 693 iwl_set_ucode_api_flags(drv, tlv_data, capa); 694 break; 695 case IWL_UCODE_TLV_ENABLED_CAPABILITIES: 696 if (tlv_len != sizeof(struct iwl_ucode_capa)) 697 goto invalid_tlv_len; 698 iwl_set_ucode_capabilities(drv, tlv_data, capa); 699 break; 700 case IWL_UCODE_TLV_INIT_EVTLOG_PTR: 701 if (tlv_len != sizeof(u32)) 702 goto invalid_tlv_len; 703 pieces->init_evtlog_ptr = 704 le32_to_cpup((__le32 *)tlv_data); 705 break; 706 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: 707 if (tlv_len != sizeof(u32)) 708 goto invalid_tlv_len; 709 pieces->init_evtlog_size = 710 le32_to_cpup((__le32 *)tlv_data); 711 break; 712 case IWL_UCODE_TLV_INIT_ERRLOG_PTR: 713 if (tlv_len != sizeof(u32)) 714 goto invalid_tlv_len; 715 pieces->init_errlog_ptr = 716 le32_to_cpup((__le32 *)tlv_data); 717 break; 718 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: 719 if (tlv_len != sizeof(u32)) 720 goto invalid_tlv_len; 721 pieces->inst_evtlog_ptr = 722 le32_to_cpup((__le32 *)tlv_data); 723 break; 724 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: 725 if (tlv_len != sizeof(u32)) 726 goto invalid_tlv_len; 727 pieces->inst_evtlog_size = 728 le32_to_cpup((__le32 *)tlv_data); 729 break; 730 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: 731 if (tlv_len != sizeof(u32)) 732 goto invalid_tlv_len; 733 pieces->inst_errlog_ptr = 734 le32_to_cpup((__le32 *)tlv_data); 735 break; 736 case IWL_UCODE_TLV_ENHANCE_SENS_TBL: 737 if (tlv_len) 738 goto invalid_tlv_len; 739 drv->fw.enhance_sensitivity_table = true; 740 break; 741 case IWL_UCODE_TLV_WOWLAN_INST: 742 set_sec_data(pieces, IWL_UCODE_WOWLAN, 743 IWL_UCODE_SECTION_INST, tlv_data); 744 set_sec_size(pieces, IWL_UCODE_WOWLAN, 745 IWL_UCODE_SECTION_INST, tlv_len); 746 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 747 IWL_UCODE_SECTION_INST, 748 IWLAGN_RTC_INST_LOWER_BOUND); 749 break; 750 case IWL_UCODE_TLV_WOWLAN_DATA: 751 set_sec_data(pieces, IWL_UCODE_WOWLAN, 752 IWL_UCODE_SECTION_DATA, tlv_data); 753 set_sec_size(pieces, IWL_UCODE_WOWLAN, 754 IWL_UCODE_SECTION_DATA, tlv_len); 755 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 756 IWL_UCODE_SECTION_DATA, 757 IWLAGN_RTC_DATA_LOWER_BOUND); 758 break; 759 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: 760 if (tlv_len != sizeof(u32)) 761 goto invalid_tlv_len; 762 capa->standard_phy_calibration_size = 763 le32_to_cpup((__le32 *)tlv_data); 764 break; 765 case IWL_UCODE_TLV_SEC_RT: 766 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 767 tlv_len); 768 drv->fw.type = IWL_FW_MVM; 769 break; 770 case IWL_UCODE_TLV_SEC_INIT: 771 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 772 tlv_len); 773 drv->fw.type = IWL_FW_MVM; 774 break; 775 case IWL_UCODE_TLV_SEC_WOWLAN: 776 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 777 tlv_len); 778 drv->fw.type = IWL_FW_MVM; 779 break; 780 case IWL_UCODE_TLV_DEF_CALIB: 781 if (tlv_len != sizeof(struct iwl_tlv_calib_data)) 782 goto invalid_tlv_len; 783 if (iwl_set_default_calib(drv, tlv_data)) 784 goto tlv_error; 785 break; 786 case IWL_UCODE_TLV_PHY_SKU: 787 if (tlv_len != sizeof(u32)) 788 goto invalid_tlv_len; 789 drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data); 790 drv->fw.valid_tx_ant = (drv->fw.phy_config & 791 FW_PHY_CFG_TX_CHAIN) >> 792 FW_PHY_CFG_TX_CHAIN_POS; 793 drv->fw.valid_rx_ant = (drv->fw.phy_config & 794 FW_PHY_CFG_RX_CHAIN) >> 795 FW_PHY_CFG_RX_CHAIN_POS; 796 break; 797 case IWL_UCODE_TLV_SECURE_SEC_RT: 798 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 799 tlv_len); 800 drv->fw.type = IWL_FW_MVM; 801 break; 802 case IWL_UCODE_TLV_SECURE_SEC_INIT: 803 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 804 tlv_len); 805 drv->fw.type = IWL_FW_MVM; 806 break; 807 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN: 808 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 809 tlv_len); 810 drv->fw.type = IWL_FW_MVM; 811 break; 812 case IWL_UCODE_TLV_NUM_OF_CPU: 813 if (tlv_len != sizeof(u32)) 814 goto invalid_tlv_len; 815 num_of_cpus = 816 le32_to_cpup((__le32 *)tlv_data); 817 818 if (num_of_cpus == 2) { 819 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus = 820 true; 821 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus = 822 true; 823 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus = 824 true; 825 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) { 826 IWL_ERR(drv, "Driver support upto 2 CPUs\n"); 827 return -EINVAL; 828 } 829 break; 830 case IWL_UCODE_TLV_CSCHEME: 831 if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len)) 832 goto invalid_tlv_len; 833 break; 834 case IWL_UCODE_TLV_N_SCAN_CHANNELS: 835 if (tlv_len != sizeof(u32)) 836 goto invalid_tlv_len; 837 capa->n_scan_channels = 838 le32_to_cpup((__le32 *)tlv_data); 839 break; 840 case IWL_UCODE_TLV_FW_VERSION: { 841 __le32 *ptr = (void *)tlv_data; 842 u32 major, minor; 843 u8 local_comp; 844 845 if (tlv_len != sizeof(u32) * 3) 846 goto invalid_tlv_len; 847 848 major = le32_to_cpup(ptr++); 849 minor = le32_to_cpup(ptr++); 850 local_comp = le32_to_cpup(ptr); 851 852 if (major >= 35) 853 snprintf(drv->fw.fw_version, 854 sizeof(drv->fw.fw_version), 855 "%u.%08x.%u %s", major, minor, 856 local_comp, iwl_reduced_fw_name(drv)); 857 else 858 snprintf(drv->fw.fw_version, 859 sizeof(drv->fw.fw_version), 860 "%u.%u.%u %s", major, minor, 861 local_comp, iwl_reduced_fw_name(drv)); 862 break; 863 } 864 case IWL_UCODE_TLV_FW_DBG_DEST: { 865 struct iwl_fw_dbg_dest_tlv *dest = NULL; 866 struct iwl_fw_dbg_dest_tlv_v1 *dest_v1 = NULL; 867 u8 mon_mode; 868 869 pieces->dbg_dest_ver = (u8 *)tlv_data; 870 if (*pieces->dbg_dest_ver == 1) { 871 dest = (void *)tlv_data; 872 } else if (*pieces->dbg_dest_ver == 0) { 873 dest_v1 = (void *)tlv_data; 874 } else { 875 IWL_ERR(drv, 876 "The version is %d, and it is invalid\n", 877 *pieces->dbg_dest_ver); 878 break; 879 } 880 881 if (pieces->dbg_dest_tlv_init) { 882 IWL_ERR(drv, 883 "dbg destination ignored, already exists\n"); 884 break; 885 } 886 887 pieces->dbg_dest_tlv_init = true; 888 889 if (dest_v1) { 890 pieces->dbg_dest_tlv_v1 = dest_v1; 891 mon_mode = dest_v1->monitor_mode; 892 } else { 893 pieces->dbg_dest_tlv = dest; 894 mon_mode = dest->monitor_mode; 895 } 896 897 IWL_INFO(drv, "Found debug destination: %s\n", 898 get_fw_dbg_mode_string(mon_mode)); 899 900 drv->fw.dbg.n_dest_reg = (dest_v1) ? 901 tlv_len - 902 offsetof(struct iwl_fw_dbg_dest_tlv_v1, 903 reg_ops) : 904 tlv_len - 905 offsetof(struct iwl_fw_dbg_dest_tlv, 906 reg_ops); 907 908 drv->fw.dbg.n_dest_reg /= 909 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]); 910 911 break; 912 } 913 case IWL_UCODE_TLV_FW_DBG_CONF: { 914 struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data; 915 916 if (!pieces->dbg_dest_tlv_init) { 917 IWL_ERR(drv, 918 "Ignore dbg config %d - no destination configured\n", 919 conf->id); 920 break; 921 } 922 923 if (conf->id >= ARRAY_SIZE(drv->fw.dbg.conf_tlv)) { 924 IWL_ERR(drv, 925 "Skip unknown configuration: %d\n", 926 conf->id); 927 break; 928 } 929 930 if (pieces->dbg_conf_tlv[conf->id]) { 931 IWL_ERR(drv, 932 "Ignore duplicate dbg config %d\n", 933 conf->id); 934 break; 935 } 936 937 if (conf->usniffer) 938 usniffer_req = true; 939 940 IWL_INFO(drv, "Found debug configuration: %d\n", 941 conf->id); 942 943 pieces->dbg_conf_tlv[conf->id] = conf; 944 pieces->dbg_conf_tlv_len[conf->id] = tlv_len; 945 break; 946 } 947 case IWL_UCODE_TLV_FW_DBG_TRIGGER: { 948 struct iwl_fw_dbg_trigger_tlv *trigger = 949 (void *)tlv_data; 950 u32 trigger_id = le32_to_cpu(trigger->id); 951 952 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg.trigger_tlv)) { 953 IWL_ERR(drv, 954 "Skip unknown trigger: %u\n", 955 trigger->id); 956 break; 957 } 958 959 if (pieces->dbg_trigger_tlv[trigger_id]) { 960 IWL_ERR(drv, 961 "Ignore duplicate dbg trigger %u\n", 962 trigger->id); 963 break; 964 } 965 966 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id); 967 968 pieces->dbg_trigger_tlv[trigger_id] = trigger; 969 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len; 970 break; 971 } 972 case IWL_UCODE_TLV_FW_DBG_DUMP_LST: { 973 if (tlv_len != sizeof(u32)) { 974 IWL_ERR(drv, 975 "dbg lst mask size incorrect, skip\n"); 976 break; 977 } 978 979 drv->fw.dbg.dump_mask = 980 le32_to_cpup((__le32 *)tlv_data); 981 break; 982 } 983 case IWL_UCODE_TLV_SEC_RT_USNIFFER: 984 *usniffer_images = true; 985 iwl_store_ucode_sec(pieces, tlv_data, 986 IWL_UCODE_REGULAR_USNIFFER, 987 tlv_len); 988 break; 989 case IWL_UCODE_TLV_PAGING: 990 if (tlv_len != sizeof(u32)) 991 goto invalid_tlv_len; 992 paging_mem_size = le32_to_cpup((__le32 *)tlv_data); 993 994 IWL_DEBUG_FW(drv, 995 "Paging: paging enabled (size = %u bytes)\n", 996 paging_mem_size); 997 998 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) { 999 IWL_ERR(drv, 1000 "Paging: driver supports up to %lu bytes for paging image\n", 1001 MAX_PAGING_IMAGE_SIZE); 1002 return -EINVAL; 1003 } 1004 1005 if (paging_mem_size & (FW_PAGING_SIZE - 1)) { 1006 IWL_ERR(drv, 1007 "Paging: image isn't multiple %lu\n", 1008 FW_PAGING_SIZE); 1009 return -EINVAL; 1010 } 1011 1012 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size = 1013 paging_mem_size; 1014 usniffer_img = IWL_UCODE_REGULAR_USNIFFER; 1015 drv->fw.img[usniffer_img].paging_mem_size = 1016 paging_mem_size; 1017 break; 1018 case IWL_UCODE_TLV_FW_GSCAN_CAPA: 1019 /* ignored */ 1020 break; 1021 case IWL_UCODE_TLV_FW_MEM_SEG: { 1022 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem = 1023 (void *)tlv_data; 1024 size_t size; 1025 struct iwl_fw_dbg_mem_seg_tlv *n; 1026 1027 if (tlv_len != (sizeof(*dbg_mem))) 1028 goto invalid_tlv_len; 1029 1030 IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n", 1031 dbg_mem->data_type); 1032 1033 size = sizeof(*pieces->dbg_mem_tlv) * 1034 (pieces->n_mem_tlv + 1); 1035 n = krealloc(pieces->dbg_mem_tlv, size, GFP_KERNEL); 1036 if (!n) 1037 return -ENOMEM; 1038 pieces->dbg_mem_tlv = n; 1039 pieces->dbg_mem_tlv[pieces->n_mem_tlv] = *dbg_mem; 1040 pieces->n_mem_tlv++; 1041 break; 1042 } 1043 case IWL_UCODE_TLV_IML: { 1044 drv->fw.iml_len = tlv_len; 1045 drv->fw.iml = kmemdup(tlv_data, tlv_len, GFP_KERNEL); 1046 if (!drv->fw.iml) 1047 return -ENOMEM; 1048 break; 1049 } 1050 case IWL_UCODE_TLV_FW_RECOVERY_INFO: { 1051 struct { 1052 __le32 buf_addr; 1053 __le32 buf_size; 1054 } *recov_info = (void *)tlv_data; 1055 1056 if (tlv_len != sizeof(*recov_info)) 1057 goto invalid_tlv_len; 1058 capa->error_log_addr = 1059 le32_to_cpu(recov_info->buf_addr); 1060 capa->error_log_size = 1061 le32_to_cpu(recov_info->buf_size); 1062 } 1063 break; 1064 case IWL_UCODE_TLV_FW_FSEQ_VERSION: { 1065 struct { 1066 u8 version[32]; 1067 u8 sha1[20]; 1068 } *fseq_ver = (void *)tlv_data; 1069 1070 if (tlv_len != sizeof(*fseq_ver)) 1071 goto invalid_tlv_len; 1072 IWL_INFO(drv, "TLV_FW_FSEQ_VERSION: %s\n", 1073 fseq_ver->version); 1074 } 1075 break; 1076 case IWL_UCODE_TLV_FW_NUM_STATIONS: 1077 if (tlv_len != sizeof(u32)) 1078 goto invalid_tlv_len; 1079 if (le32_to_cpup((__le32 *)tlv_data) > 1080 IWL_MVM_STATION_COUNT_MAX) { 1081 IWL_ERR(drv, 1082 "%d is an invalid number of station\n", 1083 le32_to_cpup((__le32 *)tlv_data)); 1084 goto tlv_error; 1085 } 1086 capa->num_stations = 1087 le32_to_cpup((__le32 *)tlv_data); 1088 break; 1089 case IWL_UCODE_TLV_UMAC_DEBUG_ADDRS: { 1090 struct iwl_umac_debug_addrs *dbg_ptrs = 1091 (void *)tlv_data; 1092 1093 if (tlv_len != sizeof(*dbg_ptrs)) 1094 goto invalid_tlv_len; 1095 if (drv->trans->trans_cfg->device_family < 1096 IWL_DEVICE_FAMILY_22000) 1097 break; 1098 drv->trans->dbg.umac_error_event_table = 1099 le32_to_cpu(dbg_ptrs->error_info_addr) & 1100 ~FW_ADDR_CACHE_CONTROL; 1101 drv->trans->dbg.error_event_table_tlv_status |= 1102 IWL_ERROR_EVENT_TABLE_UMAC; 1103 break; 1104 } 1105 case IWL_UCODE_TLV_LMAC_DEBUG_ADDRS: { 1106 struct iwl_lmac_debug_addrs *dbg_ptrs = 1107 (void *)tlv_data; 1108 1109 if (tlv_len != sizeof(*dbg_ptrs)) 1110 goto invalid_tlv_len; 1111 if (drv->trans->trans_cfg->device_family < 1112 IWL_DEVICE_FAMILY_22000) 1113 break; 1114 drv->trans->dbg.lmac_error_event_table[0] = 1115 le32_to_cpu(dbg_ptrs->error_event_table_ptr) & 1116 ~FW_ADDR_CACHE_CONTROL; 1117 drv->trans->dbg.error_event_table_tlv_status |= 1118 IWL_ERROR_EVENT_TABLE_LMAC1; 1119 break; 1120 } 1121 case IWL_UCODE_TLV_TYPE_DEBUG_INFO: 1122 case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION: 1123 case IWL_UCODE_TLV_TYPE_HCMD: 1124 case IWL_UCODE_TLV_TYPE_REGIONS: 1125 case IWL_UCODE_TLV_TYPE_TRIGGERS: 1126 if (iwlwifi_mod_params.enable_ini) 1127 iwl_dbg_tlv_alloc(drv->trans, tlv, false); 1128 break; 1129 case IWL_UCODE_TLV_CMD_VERSIONS: 1130 if (tlv_len % sizeof(struct iwl_fw_cmd_version)) { 1131 IWL_ERR(drv, 1132 "Invalid length for command versions: %u\n", 1133 tlv_len); 1134 tlv_len /= sizeof(struct iwl_fw_cmd_version); 1135 tlv_len *= sizeof(struct iwl_fw_cmd_version); 1136 } 1137 if (WARN_ON(capa->cmd_versions)) 1138 return -EINVAL; 1139 capa->cmd_versions = kmemdup(tlv_data, tlv_len, 1140 GFP_KERNEL); 1141 if (!capa->cmd_versions) 1142 return -ENOMEM; 1143 capa->n_cmd_versions = 1144 tlv_len / sizeof(struct iwl_fw_cmd_version); 1145 break; 1146 default: 1147 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); 1148 break; 1149 } 1150 } 1151 1152 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) && 1153 usniffer_req && !*usniffer_images) { 1154 IWL_ERR(drv, 1155 "user selected to work with usniffer but usniffer image isn't available in ucode package\n"); 1156 return -EINVAL; 1157 } 1158 1159 if (len) { 1160 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); 1161 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len); 1162 return -EINVAL; 1163 } 1164 1165 return 0; 1166 1167 invalid_tlv_len: 1168 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); 1169 tlv_error: 1170 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); 1171 1172 return -EINVAL; 1173 } 1174 1175 static int iwl_alloc_ucode(struct iwl_drv *drv, 1176 struct iwl_firmware_pieces *pieces, 1177 enum iwl_ucode_type type) 1178 { 1179 int i; 1180 struct fw_desc *sec; 1181 1182 sec = kcalloc(pieces->img[type].sec_counter, sizeof(*sec), GFP_KERNEL); 1183 if (!sec) 1184 return -ENOMEM; 1185 drv->fw.img[type].sec = sec; 1186 drv->fw.img[type].num_sec = pieces->img[type].sec_counter; 1187 1188 for (i = 0; i < pieces->img[type].sec_counter; i++) 1189 if (iwl_alloc_fw_desc(drv, &sec[i], get_sec(pieces, type, i))) 1190 return -ENOMEM; 1191 1192 return 0; 1193 } 1194 1195 static int validate_sec_sizes(struct iwl_drv *drv, 1196 struct iwl_firmware_pieces *pieces, 1197 const struct iwl_cfg *cfg) 1198 { 1199 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %zd\n", 1200 get_sec_size(pieces, IWL_UCODE_REGULAR, 1201 IWL_UCODE_SECTION_INST)); 1202 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %zd\n", 1203 get_sec_size(pieces, IWL_UCODE_REGULAR, 1204 IWL_UCODE_SECTION_DATA)); 1205 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %zd\n", 1206 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); 1207 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %zd\n", 1208 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); 1209 1210 /* Verify that uCode images will fit in card's SRAM. */ 1211 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > 1212 cfg->max_inst_size) { 1213 IWL_ERR(drv, "uCode instr len %zd too large to fit in\n", 1214 get_sec_size(pieces, IWL_UCODE_REGULAR, 1215 IWL_UCODE_SECTION_INST)); 1216 return -1; 1217 } 1218 1219 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > 1220 cfg->max_data_size) { 1221 IWL_ERR(drv, "uCode data len %zd too large to fit in\n", 1222 get_sec_size(pieces, IWL_UCODE_REGULAR, 1223 IWL_UCODE_SECTION_DATA)); 1224 return -1; 1225 } 1226 1227 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > 1228 cfg->max_inst_size) { 1229 IWL_ERR(drv, "uCode init instr len %zd too large to fit in\n", 1230 get_sec_size(pieces, IWL_UCODE_INIT, 1231 IWL_UCODE_SECTION_INST)); 1232 return -1; 1233 } 1234 1235 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > 1236 cfg->max_data_size) { 1237 IWL_ERR(drv, "uCode init data len %zd too large to fit in\n", 1238 get_sec_size(pieces, IWL_UCODE_REGULAR, 1239 IWL_UCODE_SECTION_DATA)); 1240 return -1; 1241 } 1242 return 0; 1243 } 1244 1245 static struct iwl_op_mode * 1246 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op) 1247 { 1248 const struct iwl_op_mode_ops *ops = op->ops; 1249 struct dentry *dbgfs_dir = NULL; 1250 struct iwl_op_mode *op_mode = NULL; 1251 1252 #ifdef CONFIG_IWLWIFI_DEBUGFS 1253 drv->dbgfs_op_mode = debugfs_create_dir(op->name, 1254 drv->dbgfs_drv); 1255 dbgfs_dir = drv->dbgfs_op_mode; 1256 #endif 1257 1258 op_mode = ops->start(drv->trans, drv->trans->cfg, &drv->fw, dbgfs_dir); 1259 1260 #ifdef CONFIG_IWLWIFI_DEBUGFS 1261 if (!op_mode) { 1262 debugfs_remove_recursive(drv->dbgfs_op_mode); 1263 drv->dbgfs_op_mode = NULL; 1264 } 1265 #endif 1266 1267 return op_mode; 1268 } 1269 1270 static void _iwl_op_mode_stop(struct iwl_drv *drv) 1271 { 1272 /* op_mode can be NULL if its start failed */ 1273 if (drv->op_mode) { 1274 iwl_op_mode_stop(drv->op_mode); 1275 drv->op_mode = NULL; 1276 1277 #ifdef CONFIG_IWLWIFI_DEBUGFS 1278 debugfs_remove_recursive(drv->dbgfs_op_mode); 1279 drv->dbgfs_op_mode = NULL; 1280 #endif 1281 } 1282 } 1283 1284 /* 1285 * iwl_req_fw_callback - callback when firmware was loaded 1286 * 1287 * If loaded successfully, copies the firmware into buffers 1288 * for the card to fetch (via DMA). 1289 */ 1290 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) 1291 { 1292 struct iwl_drv *drv = context; 1293 struct iwl_fw *fw = &drv->fw; 1294 struct iwl_ucode_header *ucode; 1295 struct iwlwifi_opmode_table *op; 1296 int err; 1297 struct iwl_firmware_pieces *pieces; 1298 const unsigned int api_max = drv->trans->cfg->ucode_api_max; 1299 const unsigned int api_min = drv->trans->cfg->ucode_api_min; 1300 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX]; 1301 u32 api_ver; 1302 int i; 1303 bool load_module = false; 1304 bool usniffer_images = false; 1305 1306 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH; 1307 fw->ucode_capa.standard_phy_calibration_size = 1308 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1309 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS; 1310 fw->ucode_capa.num_stations = IWL_MVM_STATION_COUNT_MAX; 1311 /* dump all fw memory areas by default */ 1312 fw->dbg.dump_mask = 0xffffffff; 1313 1314 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL); 1315 if (!pieces) 1316 goto out_free_fw; 1317 1318 if (!ucode_raw) 1319 goto try_again; 1320 1321 IWL_DEBUG_FW_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n", 1322 drv->firmware_name, ucode_raw->size); 1323 1324 /* Make sure that we got at least the API version number */ 1325 if (ucode_raw->size < 4) { 1326 IWL_ERR(drv, "File size way too small!\n"); 1327 goto try_again; 1328 } 1329 1330 /* Data from ucode file: header followed by uCode images */ 1331 ucode = (struct iwl_ucode_header *)ucode_raw->data; 1332 1333 if (ucode->ver) 1334 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces); 1335 else 1336 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces, 1337 &fw->ucode_capa, &usniffer_images); 1338 1339 if (err) 1340 goto try_again; 1341 1342 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION)) 1343 api_ver = drv->fw.ucode_ver; 1344 else 1345 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 1346 1347 /* 1348 * api_ver should match the api version forming part of the 1349 * firmware filename ... but we don't check for that and only rely 1350 * on the API version read from firmware header from here on forward 1351 */ 1352 if (api_ver < api_min || api_ver > api_max) { 1353 IWL_ERR(drv, 1354 "Driver unable to support your firmware API. " 1355 "Driver supports v%u, firmware is v%u.\n", 1356 api_max, api_ver); 1357 goto try_again; 1358 } 1359 1360 /* 1361 * In mvm uCode there is no difference between data and instructions 1362 * sections. 1363 */ 1364 if (fw->type == IWL_FW_DVM && validate_sec_sizes(drv, pieces, 1365 drv->trans->cfg)) 1366 goto try_again; 1367 1368 /* Allocate ucode buffers for card's bus-master loading ... */ 1369 1370 /* Runtime instructions and 2 copies of data: 1371 * 1) unmodified from disk 1372 * 2) backup cache for save/restore during power-downs 1373 */ 1374 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 1375 if (iwl_alloc_ucode(drv, pieces, i)) 1376 goto out_free_fw; 1377 1378 if (pieces->dbg_dest_tlv_init) { 1379 size_t dbg_dest_size = sizeof(*drv->fw.dbg.dest_tlv) + 1380 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * 1381 drv->fw.dbg.n_dest_reg; 1382 1383 drv->fw.dbg.dest_tlv = kmalloc(dbg_dest_size, GFP_KERNEL); 1384 1385 if (!drv->fw.dbg.dest_tlv) 1386 goto out_free_fw; 1387 1388 if (*pieces->dbg_dest_ver == 0) { 1389 memcpy(drv->fw.dbg.dest_tlv, pieces->dbg_dest_tlv_v1, 1390 dbg_dest_size); 1391 } else { 1392 struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv = 1393 drv->fw.dbg.dest_tlv; 1394 1395 dest_tlv->version = pieces->dbg_dest_tlv->version; 1396 dest_tlv->monitor_mode = 1397 pieces->dbg_dest_tlv->monitor_mode; 1398 dest_tlv->size_power = 1399 pieces->dbg_dest_tlv->size_power; 1400 dest_tlv->wrap_count = 1401 pieces->dbg_dest_tlv->wrap_count; 1402 dest_tlv->write_ptr_reg = 1403 pieces->dbg_dest_tlv->write_ptr_reg; 1404 dest_tlv->base_shift = 1405 pieces->dbg_dest_tlv->base_shift; 1406 memcpy(dest_tlv->reg_ops, 1407 pieces->dbg_dest_tlv->reg_ops, 1408 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * 1409 drv->fw.dbg.n_dest_reg); 1410 1411 /* In version 1 of the destination tlv, which is 1412 * relevant for internal buffer exclusively, 1413 * the base address is part of given with the length 1414 * of the buffer, and the size shift is give instead of 1415 * end shift. We now store these values in base_reg, 1416 * and end shift, and when dumping the data we'll 1417 * manipulate it for extracting both the length and 1418 * base address */ 1419 dest_tlv->base_reg = pieces->dbg_dest_tlv->cfg_reg; 1420 dest_tlv->end_shift = 1421 pieces->dbg_dest_tlv->size_shift; 1422 } 1423 } 1424 1425 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) { 1426 if (pieces->dbg_conf_tlv[i]) { 1427 drv->fw.dbg.conf_tlv[i] = 1428 kmemdup(pieces->dbg_conf_tlv[i], 1429 pieces->dbg_conf_tlv_len[i], 1430 GFP_KERNEL); 1431 if (!drv->fw.dbg.conf_tlv[i]) 1432 goto out_free_fw; 1433 } 1434 } 1435 1436 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz)); 1437 1438 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] = 1439 sizeof(struct iwl_fw_dbg_trigger_missed_bcon); 1440 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0; 1441 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] = 1442 sizeof(struct iwl_fw_dbg_trigger_cmd); 1443 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] = 1444 sizeof(struct iwl_fw_dbg_trigger_mlme); 1445 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] = 1446 sizeof(struct iwl_fw_dbg_trigger_stats); 1447 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] = 1448 sizeof(struct iwl_fw_dbg_trigger_low_rssi); 1449 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] = 1450 sizeof(struct iwl_fw_dbg_trigger_txq_timer); 1451 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] = 1452 sizeof(struct iwl_fw_dbg_trigger_time_event); 1453 trigger_tlv_sz[FW_DBG_TRIGGER_BA] = 1454 sizeof(struct iwl_fw_dbg_trigger_ba); 1455 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] = 1456 sizeof(struct iwl_fw_dbg_trigger_tdls); 1457 1458 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) { 1459 if (pieces->dbg_trigger_tlv[i]) { 1460 /* 1461 * If the trigger isn't long enough, WARN and exit. 1462 * Someone is trying to debug something and he won't 1463 * be able to catch the bug he is trying to chase. 1464 * We'd better be noisy to be sure he knows what's 1465 * going on. 1466 */ 1467 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] < 1468 (trigger_tlv_sz[i] + 1469 sizeof(struct iwl_fw_dbg_trigger_tlv)))) 1470 goto out_free_fw; 1471 drv->fw.dbg.trigger_tlv_len[i] = 1472 pieces->dbg_trigger_tlv_len[i]; 1473 drv->fw.dbg.trigger_tlv[i] = 1474 kmemdup(pieces->dbg_trigger_tlv[i], 1475 drv->fw.dbg.trigger_tlv_len[i], 1476 GFP_KERNEL); 1477 if (!drv->fw.dbg.trigger_tlv[i]) 1478 goto out_free_fw; 1479 } 1480 } 1481 1482 /* Now that we can no longer fail, copy information */ 1483 1484 drv->fw.dbg.mem_tlv = pieces->dbg_mem_tlv; 1485 pieces->dbg_mem_tlv = NULL; 1486 drv->fw.dbg.n_mem_tlv = pieces->n_mem_tlv; 1487 1488 /* 1489 * The (size - 16) / 12 formula is based on the information recorded 1490 * for each event, which is of mode 1 (including timestamp) for all 1491 * new microcodes that include this information. 1492 */ 1493 fw->init_evtlog_ptr = pieces->init_evtlog_ptr; 1494 if (pieces->init_evtlog_size) 1495 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12; 1496 else 1497 fw->init_evtlog_size = 1498 drv->trans->trans_cfg->base_params->max_event_log_size; 1499 fw->init_errlog_ptr = pieces->init_errlog_ptr; 1500 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr; 1501 if (pieces->inst_evtlog_size) 1502 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12; 1503 else 1504 fw->inst_evtlog_size = 1505 drv->trans->trans_cfg->base_params->max_event_log_size; 1506 fw->inst_errlog_ptr = pieces->inst_errlog_ptr; 1507 1508 /* 1509 * figure out the offset of chain noise reset and gain commands 1510 * base on the size of standard phy calibration commands table size 1511 */ 1512 if (fw->ucode_capa.standard_phy_calibration_size > 1513 IWL_MAX_PHY_CALIBRATE_TBL_SIZE) 1514 fw->ucode_capa.standard_phy_calibration_size = 1515 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1516 1517 /* We have our copies now, allow OS release its copies */ 1518 release_firmware(ucode_raw); 1519 1520 mutex_lock(&iwlwifi_opmode_table_mtx); 1521 switch (fw->type) { 1522 case IWL_FW_DVM: 1523 op = &iwlwifi_opmode_table[DVM_OP_MODE]; 1524 break; 1525 default: 1526 WARN(1, "Invalid fw type %d\n", fw->type); 1527 fallthrough; 1528 case IWL_FW_MVM: 1529 op = &iwlwifi_opmode_table[MVM_OP_MODE]; 1530 break; 1531 } 1532 1533 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n", 1534 drv->fw.fw_version, op->name); 1535 1536 iwl_dbg_tlv_load_bin(drv->trans->dev, drv->trans); 1537 1538 /* add this device to the list of devices using this op_mode */ 1539 list_add_tail(&drv->list, &op->drv); 1540 1541 if (op->ops) { 1542 drv->op_mode = _iwl_op_mode_start(drv, op); 1543 1544 if (!drv->op_mode) { 1545 mutex_unlock(&iwlwifi_opmode_table_mtx); 1546 goto out_unbind; 1547 } 1548 } else { 1549 load_module = true; 1550 } 1551 mutex_unlock(&iwlwifi_opmode_table_mtx); 1552 1553 /* 1554 * Complete the firmware request last so that 1555 * a driver unbind (stop) doesn't run while we 1556 * are doing the start() above. 1557 */ 1558 complete(&drv->request_firmware_complete); 1559 1560 /* 1561 * Load the module last so we don't block anything 1562 * else from proceeding if the module fails to load 1563 * or hangs loading. 1564 */ 1565 if (load_module) { 1566 request_module("%s", op->name); 1567 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR 1568 if (err) 1569 IWL_ERR(drv, 1570 "failed to load module %s (error %d), is dynamic loading enabled?\n", 1571 op->name, err); 1572 #endif 1573 } 1574 goto free; 1575 1576 try_again: 1577 /* try next, if any */ 1578 release_firmware(ucode_raw); 1579 if (iwl_request_firmware(drv, false)) 1580 goto out_unbind; 1581 goto free; 1582 1583 out_free_fw: 1584 release_firmware(ucode_raw); 1585 out_unbind: 1586 complete(&drv->request_firmware_complete); 1587 device_release_driver(drv->trans->dev); 1588 free: 1589 if (pieces) { 1590 for (i = 0; i < ARRAY_SIZE(pieces->img); i++) 1591 kfree(pieces->img[i].sec); 1592 kfree(pieces->dbg_mem_tlv); 1593 kfree(pieces); 1594 } 1595 } 1596 1597 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans) 1598 { 1599 struct iwl_drv *drv; 1600 int ret; 1601 1602 drv = kzalloc(sizeof(*drv), GFP_KERNEL); 1603 if (!drv) { 1604 ret = -ENOMEM; 1605 goto err; 1606 } 1607 1608 drv->trans = trans; 1609 drv->dev = trans->dev; 1610 1611 init_completion(&drv->request_firmware_complete); 1612 INIT_LIST_HEAD(&drv->list); 1613 1614 #ifdef CONFIG_IWLWIFI_DEBUGFS 1615 /* Create the device debugfs entries. */ 1616 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev), 1617 iwl_dbgfs_root); 1618 1619 /* Create transport layer debugfs dir */ 1620 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv); 1621 #endif 1622 1623 drv->trans->dbg.domains_bitmap = IWL_TRANS_FW_DBG_DOMAIN(drv->trans); 1624 1625 ret = iwl_request_firmware(drv, true); 1626 if (ret) { 1627 IWL_ERR(trans, "Couldn't request the fw\n"); 1628 goto err_fw; 1629 } 1630 1631 return drv; 1632 1633 err_fw: 1634 #ifdef CONFIG_IWLWIFI_DEBUGFS 1635 debugfs_remove_recursive(drv->dbgfs_drv); 1636 iwl_dbg_tlv_free(drv->trans); 1637 #endif 1638 kfree(drv); 1639 err: 1640 return ERR_PTR(ret); 1641 } 1642 1643 void iwl_drv_stop(struct iwl_drv *drv) 1644 { 1645 wait_for_completion(&drv->request_firmware_complete); 1646 1647 _iwl_op_mode_stop(drv); 1648 1649 iwl_dealloc_ucode(drv); 1650 1651 mutex_lock(&iwlwifi_opmode_table_mtx); 1652 /* 1653 * List is empty (this item wasn't added) 1654 * when firmware loading failed -- in that 1655 * case we can't remove it from any list. 1656 */ 1657 if (!list_empty(&drv->list)) 1658 list_del(&drv->list); 1659 mutex_unlock(&iwlwifi_opmode_table_mtx); 1660 1661 #ifdef CONFIG_IWLWIFI_DEBUGFS 1662 drv->trans->ops->debugfs_cleanup(drv->trans); 1663 1664 debugfs_remove_recursive(drv->dbgfs_drv); 1665 #endif 1666 1667 iwl_dbg_tlv_free(drv->trans); 1668 1669 kfree(drv); 1670 } 1671 1672 1673 /* shared module parameters */ 1674 struct iwl_mod_params iwlwifi_mod_params = { 1675 .fw_restart = true, 1676 .bt_coex_active = true, 1677 .power_level = IWL_POWER_INDEX_1, 1678 .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT, 1679 .enable_ini = true, 1680 /* the rest are 0 by default */ 1681 }; 1682 IWL_EXPORT_SYMBOL(iwlwifi_mod_params); 1683 1684 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops) 1685 { 1686 int i; 1687 struct iwl_drv *drv; 1688 struct iwlwifi_opmode_table *op; 1689 1690 mutex_lock(&iwlwifi_opmode_table_mtx); 1691 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1692 op = &iwlwifi_opmode_table[i]; 1693 if (strcmp(op->name, name)) 1694 continue; 1695 op->ops = ops; 1696 /* TODO: need to handle exceptional case */ 1697 list_for_each_entry(drv, &op->drv, list) 1698 drv->op_mode = _iwl_op_mode_start(drv, op); 1699 1700 mutex_unlock(&iwlwifi_opmode_table_mtx); 1701 return 0; 1702 } 1703 mutex_unlock(&iwlwifi_opmode_table_mtx); 1704 return -EIO; 1705 } 1706 IWL_EXPORT_SYMBOL(iwl_opmode_register); 1707 1708 void iwl_opmode_deregister(const char *name) 1709 { 1710 int i; 1711 struct iwl_drv *drv; 1712 1713 mutex_lock(&iwlwifi_opmode_table_mtx); 1714 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1715 if (strcmp(iwlwifi_opmode_table[i].name, name)) 1716 continue; 1717 iwlwifi_opmode_table[i].ops = NULL; 1718 1719 /* call the stop routine for all devices */ 1720 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list) 1721 _iwl_op_mode_stop(drv); 1722 1723 mutex_unlock(&iwlwifi_opmode_table_mtx); 1724 return; 1725 } 1726 mutex_unlock(&iwlwifi_opmode_table_mtx); 1727 } 1728 IWL_EXPORT_SYMBOL(iwl_opmode_deregister); 1729 1730 static int __init iwl_drv_init(void) 1731 { 1732 int i, err; 1733 1734 mutex_init(&iwlwifi_opmode_table_mtx); 1735 1736 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) 1737 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv); 1738 1739 pr_info(DRV_DESCRIPTION "\n"); 1740 1741 #ifdef CONFIG_IWLWIFI_DEBUGFS 1742 /* Create the root of iwlwifi debugfs subsystem. */ 1743 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL); 1744 #endif 1745 1746 err = iwl_pci_register_driver(); 1747 if (err) 1748 goto cleanup_debugfs; 1749 1750 return 0; 1751 1752 cleanup_debugfs: 1753 #ifdef CONFIG_IWLWIFI_DEBUGFS 1754 debugfs_remove_recursive(iwl_dbgfs_root); 1755 #endif 1756 return err; 1757 } 1758 module_init(iwl_drv_init); 1759 1760 static void __exit iwl_drv_exit(void) 1761 { 1762 iwl_pci_unregister_driver(); 1763 1764 #ifdef CONFIG_IWLWIFI_DEBUGFS 1765 debugfs_remove_recursive(iwl_dbgfs_root); 1766 #endif 1767 } 1768 module_exit(iwl_drv_exit); 1769 1770 #ifdef CONFIG_IWLWIFI_DEBUG 1771 module_param_named(debug, iwlwifi_mod_params.debug_level, uint, 0644); 1772 MODULE_PARM_DESC(debug, "debug output mask"); 1773 #endif 1774 1775 module_param_named(swcrypto, iwlwifi_mod_params.swcrypto, int, 0444); 1776 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); 1777 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, 0444); 1778 MODULE_PARM_DESC(11n_disable, 1779 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX"); 1780 module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, int, 0444); 1781 MODULE_PARM_DESC(amsdu_size, 1782 "amsdu size 0: 12K for multi Rx queue devices, 2K for AX210 devices, " 1783 "4K for other devices 1:4K 2:8K 3:12K (16K buffers) 4: 2K (default 0)"); 1784 module_param_named(fw_restart, iwlwifi_mod_params.fw_restart, bool, 0444); 1785 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)"); 1786 1787 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, 0444); 1788 MODULE_PARM_DESC(nvm_file, "NVM file name"); 1789 1790 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, uint, 0644); 1791 MODULE_PARM_DESC(uapsd_disable, 1792 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)"); 1793 module_param_named(enable_ini, iwlwifi_mod_params.enable_ini, 1794 bool, S_IRUGO | S_IWUSR); 1795 MODULE_PARM_DESC(enable_ini, 1796 "Enable debug INI TLV FW debug infrastructure (default: true"); 1797 1798 /* 1799 * set bt_coex_active to true, uCode will do kill/defer 1800 * every time the priority line is asserted (BT is sending signals on the 1801 * priority line in the PCIx). 1802 * set bt_coex_active to false, uCode will ignore the BT activity and 1803 * perform the normal operation 1804 * 1805 * User might experience transmit issue on some platform due to WiFi/BT 1806 * co-exist problem. The possible behaviors are: 1807 * Able to scan and finding all the available AP 1808 * Not able to associate with any AP 1809 * On those platforms, WiFi communication can be restored by set 1810 * "bt_coex_active" module parameter to "false" 1811 * 1812 * default: bt_coex_active = true (BT_COEX_ENABLE) 1813 */ 1814 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active, 1815 bool, 0444); 1816 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); 1817 1818 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, 0444); 1819 MODULE_PARM_DESC(led_mode, "0=system default, " 1820 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); 1821 1822 module_param_named(power_save, iwlwifi_mod_params.power_save, bool, 0444); 1823 MODULE_PARM_DESC(power_save, 1824 "enable WiFi power management (default: disable)"); 1825 1826 module_param_named(power_level, iwlwifi_mod_params.power_level, int, 0444); 1827 MODULE_PARM_DESC(power_level, 1828 "default power save level (range from 1 - 5, default: 1)"); 1829 1830 module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, 0444); 1831 MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)"); 1832 1833 module_param_named(remove_when_gone, 1834 iwlwifi_mod_params.remove_when_gone, bool, 1835 0444); 1836 MODULE_PARM_DESC(remove_when_gone, 1837 "Remove dev from PCIe bus if it is deemed inaccessible (default: false)"); 1838 1839 module_param_named(disable_11ax, iwlwifi_mod_params.disable_11ax, bool, 1840 S_IRUGO); 1841 MODULE_PARM_DESC(disable_11ax, "Disable HE capabilities (default: false)"); 1842