1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause 2 /* 3 * Copyright (C) 2005-2014, 2018-2021 Intel Corporation 4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH 5 * Copyright (C) 2016-2017 Intel Deutschland GmbH 6 */ 7 #include <linux/completion.h> 8 #include <linux/dma-mapping.h> 9 #include <linux/firmware.h> 10 #include <linux/module.h> 11 #include <linux/vmalloc.h> 12 13 #include "iwl-drv.h" 14 #include "iwl-csr.h" 15 #include "iwl-debug.h" 16 #include "iwl-trans.h" 17 #include "iwl-op-mode.h" 18 #include "iwl-agn-hw.h" 19 #include "fw/img.h" 20 #include "iwl-dbg-tlv.h" 21 #include "iwl-config.h" 22 #include "iwl-modparams.h" 23 #include "fw/api/alive.h" 24 #include "fw/api/mac.h" 25 26 /****************************************************************************** 27 * 28 * module boiler plate 29 * 30 ******************************************************************************/ 31 32 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux" 33 MODULE_DESCRIPTION(DRV_DESCRIPTION); 34 MODULE_AUTHOR(DRV_AUTHOR); 35 MODULE_LICENSE("GPL"); 36 37 #ifdef CONFIG_IWLWIFI_DEBUGFS 38 static struct dentry *iwl_dbgfs_root; 39 #endif 40 41 /** 42 * struct iwl_drv - drv common data 43 * @list: list of drv structures using this opmode 44 * @fw: the iwl_fw structure 45 * @op_mode: the running op_mode 46 * @trans: transport layer 47 * @dev: for debug prints only 48 * @fw_index: firmware revision to try loading 49 * @firmware_name: composite filename of ucode file to load 50 * @request_firmware_complete: the firmware has been obtained from user space 51 * @dbgfs_drv: debugfs root directory entry 52 * @dbgfs_trans: debugfs transport directory entry 53 * @dbgfs_op_mode: debugfs op_mode directory entry 54 */ 55 struct iwl_drv { 56 struct list_head list; 57 struct iwl_fw fw; 58 59 struct iwl_op_mode *op_mode; 60 struct iwl_trans *trans; 61 struct device *dev; 62 63 int fw_index; /* firmware we're trying to load */ 64 char firmware_name[64]; /* name of firmware file to load */ 65 66 struct completion request_firmware_complete; 67 68 #ifdef CONFIG_IWLWIFI_DEBUGFS 69 struct dentry *dbgfs_drv; 70 struct dentry *dbgfs_trans; 71 struct dentry *dbgfs_op_mode; 72 #endif 73 }; 74 75 enum { 76 DVM_OP_MODE, 77 MVM_OP_MODE, 78 }; 79 80 /* Protects the table contents, i.e. the ops pointer & drv list */ 81 static DEFINE_MUTEX(iwlwifi_opmode_table_mtx); 82 static struct iwlwifi_opmode_table { 83 const char *name; /* name: iwldvm, iwlmvm, etc */ 84 const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */ 85 struct list_head drv; /* list of devices using this op_mode */ 86 } iwlwifi_opmode_table[] = { /* ops set when driver is initialized */ 87 [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL }, 88 [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL }, 89 }; 90 91 #define IWL_DEFAULT_SCAN_CHANNELS 40 92 93 /* 94 * struct fw_sec: Just for the image parsing process. 95 * For the fw storage we are using struct fw_desc. 96 */ 97 struct fw_sec { 98 const void *data; /* the sec data */ 99 size_t size; /* section size */ 100 u32 offset; /* offset of writing in the device */ 101 }; 102 103 static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc) 104 { 105 vfree(desc->data); 106 desc->data = NULL; 107 desc->len = 0; 108 } 109 110 static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img) 111 { 112 int i; 113 for (i = 0; i < img->num_sec; i++) 114 iwl_free_fw_desc(drv, &img->sec[i]); 115 kfree(img->sec); 116 } 117 118 static void iwl_dealloc_ucode(struct iwl_drv *drv) 119 { 120 int i; 121 122 kfree(drv->fw.dbg.dest_tlv); 123 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) 124 kfree(drv->fw.dbg.conf_tlv[i]); 125 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) 126 kfree(drv->fw.dbg.trigger_tlv[i]); 127 kfree(drv->fw.dbg.mem_tlv); 128 kfree(drv->fw.iml); 129 kfree(drv->fw.ucode_capa.cmd_versions); 130 kfree(drv->fw.phy_integration_ver); 131 132 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 133 iwl_free_fw_img(drv, drv->fw.img + i); 134 } 135 136 static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc, 137 struct fw_sec *sec) 138 { 139 void *data; 140 141 desc->data = NULL; 142 143 if (!sec || !sec->size) 144 return -EINVAL; 145 146 data = vmalloc(sec->size); 147 if (!data) 148 return -ENOMEM; 149 150 desc->len = sec->size; 151 desc->offset = sec->offset; 152 memcpy(data, sec->data, desc->len); 153 desc->data = data; 154 155 return 0; 156 } 157 158 static void iwl_req_fw_callback(const struct firmware *ucode_raw, 159 void *context); 160 161 static int iwl_request_firmware(struct iwl_drv *drv, bool first) 162 { 163 const struct iwl_cfg *cfg = drv->trans->cfg; 164 char tag[8]; 165 166 if (drv->trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_9000 && 167 (CSR_HW_REV_STEP(drv->trans->hw_rev) != SILICON_B_STEP && 168 CSR_HW_REV_STEP(drv->trans->hw_rev) != SILICON_C_STEP)) { 169 IWL_ERR(drv, 170 "Only HW steps B and C are currently supported (0x%0x)\n", 171 drv->trans->hw_rev); 172 return -EINVAL; 173 } 174 175 if (first) { 176 drv->fw_index = cfg->ucode_api_max; 177 sprintf(tag, "%d", drv->fw_index); 178 } else { 179 drv->fw_index--; 180 sprintf(tag, "%d", drv->fw_index); 181 } 182 183 if (drv->fw_index < cfg->ucode_api_min) { 184 IWL_ERR(drv, "no suitable firmware found!\n"); 185 186 if (cfg->ucode_api_min == cfg->ucode_api_max) { 187 IWL_ERR(drv, "%s%d is required\n", cfg->fw_name_pre, 188 cfg->ucode_api_max); 189 } else { 190 IWL_ERR(drv, "minimum version required: %s%d\n", 191 cfg->fw_name_pre, cfg->ucode_api_min); 192 IWL_ERR(drv, "maximum version supported: %s%d\n", 193 cfg->fw_name_pre, cfg->ucode_api_max); 194 } 195 196 IWL_ERR(drv, 197 "check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git\n"); 198 return -ENOENT; 199 } 200 201 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode", 202 cfg->fw_name_pre, tag); 203 204 IWL_DEBUG_FW_INFO(drv, "attempting to load firmware '%s'\n", 205 drv->firmware_name); 206 207 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name, 208 drv->trans->dev, 209 GFP_KERNEL, drv, iwl_req_fw_callback); 210 } 211 212 struct fw_img_parsing { 213 struct fw_sec *sec; 214 int sec_counter; 215 }; 216 217 /* 218 * struct fw_sec_parsing: to extract fw section and it's offset from tlv 219 */ 220 struct fw_sec_parsing { 221 __le32 offset; 222 const u8 data[]; 223 } __packed; 224 225 /** 226 * struct iwl_tlv_calib_data - parse the default calib data from TLV 227 * 228 * @ucode_type: the uCode to which the following default calib relates. 229 * @calib: default calibrations. 230 */ 231 struct iwl_tlv_calib_data { 232 __le32 ucode_type; 233 struct iwl_tlv_calib_ctrl calib; 234 } __packed; 235 236 struct iwl_firmware_pieces { 237 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX]; 238 239 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; 240 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; 241 242 /* FW debug data parsed for driver usage */ 243 bool dbg_dest_tlv_init; 244 u8 *dbg_dest_ver; 245 union { 246 struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv; 247 struct iwl_fw_dbg_dest_tlv_v1 *dbg_dest_tlv_v1; 248 }; 249 struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX]; 250 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX]; 251 struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX]; 252 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX]; 253 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv; 254 size_t n_mem_tlv; 255 }; 256 257 /* 258 * These functions are just to extract uCode section data from the pieces 259 * structure. 260 */ 261 static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces, 262 enum iwl_ucode_type type, 263 int sec) 264 { 265 return &pieces->img[type].sec[sec]; 266 } 267 268 static void alloc_sec_data(struct iwl_firmware_pieces *pieces, 269 enum iwl_ucode_type type, 270 int sec) 271 { 272 struct fw_img_parsing *img = &pieces->img[type]; 273 struct fw_sec *sec_memory; 274 int size = sec + 1; 275 size_t alloc_size = sizeof(*img->sec) * size; 276 277 if (img->sec && img->sec_counter >= size) 278 return; 279 280 sec_memory = krealloc(img->sec, alloc_size, GFP_KERNEL); 281 if (!sec_memory) 282 return; 283 284 img->sec = sec_memory; 285 img->sec_counter = size; 286 } 287 288 static void set_sec_data(struct iwl_firmware_pieces *pieces, 289 enum iwl_ucode_type type, 290 int sec, 291 const void *data) 292 { 293 alloc_sec_data(pieces, type, sec); 294 295 pieces->img[type].sec[sec].data = data; 296 } 297 298 static void set_sec_size(struct iwl_firmware_pieces *pieces, 299 enum iwl_ucode_type type, 300 int sec, 301 size_t size) 302 { 303 alloc_sec_data(pieces, type, sec); 304 305 pieces->img[type].sec[sec].size = size; 306 } 307 308 static size_t get_sec_size(struct iwl_firmware_pieces *pieces, 309 enum iwl_ucode_type type, 310 int sec) 311 { 312 return pieces->img[type].sec[sec].size; 313 } 314 315 static void set_sec_offset(struct iwl_firmware_pieces *pieces, 316 enum iwl_ucode_type type, 317 int sec, 318 u32 offset) 319 { 320 alloc_sec_data(pieces, type, sec); 321 322 pieces->img[type].sec[sec].offset = offset; 323 } 324 325 static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len) 326 { 327 int i, j; 328 struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data; 329 struct iwl_fw_cipher_scheme *fwcs; 330 331 if (len < sizeof(*l) || 332 len < sizeof(l->size) + l->size * sizeof(l->cs[0])) 333 return -EINVAL; 334 335 for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) { 336 fwcs = &l->cs[j]; 337 338 /* we skip schemes with zero cipher suite selector */ 339 if (!fwcs->cipher) 340 continue; 341 342 fw->cs[j++] = *fwcs; 343 } 344 345 return 0; 346 } 347 348 /* 349 * Gets uCode section from tlv. 350 */ 351 static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces, 352 const void *data, enum iwl_ucode_type type, 353 int size) 354 { 355 struct fw_img_parsing *img; 356 struct fw_sec *sec; 357 struct fw_sec_parsing *sec_parse; 358 size_t alloc_size; 359 360 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX)) 361 return -1; 362 363 sec_parse = (struct fw_sec_parsing *)data; 364 365 img = &pieces->img[type]; 366 367 alloc_size = sizeof(*img->sec) * (img->sec_counter + 1); 368 sec = krealloc(img->sec, alloc_size, GFP_KERNEL); 369 if (!sec) 370 return -ENOMEM; 371 img->sec = sec; 372 373 sec = &img->sec[img->sec_counter]; 374 375 sec->offset = le32_to_cpu(sec_parse->offset); 376 sec->data = sec_parse->data; 377 sec->size = size - sizeof(sec_parse->offset); 378 379 ++img->sec_counter; 380 381 return 0; 382 } 383 384 static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data) 385 { 386 struct iwl_tlv_calib_data *def_calib = 387 (struct iwl_tlv_calib_data *)data; 388 u32 ucode_type = le32_to_cpu(def_calib->ucode_type); 389 if (ucode_type >= IWL_UCODE_TYPE_MAX) { 390 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n", 391 ucode_type); 392 return -EINVAL; 393 } 394 drv->fw.default_calib[ucode_type].flow_trigger = 395 def_calib->calib.flow_trigger; 396 drv->fw.default_calib[ucode_type].event_trigger = 397 def_calib->calib.event_trigger; 398 399 return 0; 400 } 401 402 static void iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data, 403 struct iwl_ucode_capabilities *capa) 404 { 405 const struct iwl_ucode_api *ucode_api = (void *)data; 406 u32 api_index = le32_to_cpu(ucode_api->api_index); 407 u32 api_flags = le32_to_cpu(ucode_api->api_flags); 408 int i; 409 410 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) { 411 IWL_WARN(drv, 412 "api flags index %d larger than supported by driver\n", 413 api_index); 414 return; 415 } 416 417 for (i = 0; i < 32; i++) { 418 if (api_flags & BIT(i)) 419 __set_bit(i + 32 * api_index, capa->_api); 420 } 421 } 422 423 static void iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data, 424 struct iwl_ucode_capabilities *capa) 425 { 426 const struct iwl_ucode_capa *ucode_capa = (void *)data; 427 u32 api_index = le32_to_cpu(ucode_capa->api_index); 428 u32 api_flags = le32_to_cpu(ucode_capa->api_capa); 429 int i; 430 431 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) { 432 IWL_WARN(drv, 433 "capa flags index %d larger than supported by driver\n", 434 api_index); 435 return; 436 } 437 438 for (i = 0; i < 32; i++) { 439 if (api_flags & BIT(i)) 440 __set_bit(i + 32 * api_index, capa->_capa); 441 } 442 } 443 444 static const char *iwl_reduced_fw_name(struct iwl_drv *drv) 445 { 446 const char *name = drv->firmware_name; 447 448 if (strncmp(name, "iwlwifi-", 8) == 0) 449 name += 8; 450 451 return name; 452 } 453 454 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv, 455 const struct firmware *ucode_raw, 456 struct iwl_firmware_pieces *pieces) 457 { 458 struct iwl_ucode_header *ucode = (void *)ucode_raw->data; 459 u32 api_ver, hdr_size, build; 460 char buildstr[25]; 461 const u8 *src; 462 463 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 464 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 465 466 switch (api_ver) { 467 default: 468 hdr_size = 28; 469 if (ucode_raw->size < hdr_size) { 470 IWL_ERR(drv, "File size too small!\n"); 471 return -EINVAL; 472 } 473 build = le32_to_cpu(ucode->u.v2.build); 474 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 475 le32_to_cpu(ucode->u.v2.inst_size)); 476 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 477 le32_to_cpu(ucode->u.v2.data_size)); 478 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 479 le32_to_cpu(ucode->u.v2.init_size)); 480 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 481 le32_to_cpu(ucode->u.v2.init_data_size)); 482 src = ucode->u.v2.data; 483 break; 484 case 0: 485 case 1: 486 case 2: 487 hdr_size = 24; 488 if (ucode_raw->size < hdr_size) { 489 IWL_ERR(drv, "File size too small!\n"); 490 return -EINVAL; 491 } 492 build = 0; 493 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 494 le32_to_cpu(ucode->u.v1.inst_size)); 495 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 496 le32_to_cpu(ucode->u.v1.data_size)); 497 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 498 le32_to_cpu(ucode->u.v1.init_size)); 499 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 500 le32_to_cpu(ucode->u.v1.init_data_size)); 501 src = ucode->u.v1.data; 502 break; 503 } 504 505 if (build) 506 sprintf(buildstr, " build %u", build); 507 else 508 buildstr[0] = '\0'; 509 510 snprintf(drv->fw.fw_version, 511 sizeof(drv->fw.fw_version), 512 "%u.%u.%u.%u%s %s", 513 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 514 IWL_UCODE_MINOR(drv->fw.ucode_ver), 515 IWL_UCODE_API(drv->fw.ucode_ver), 516 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 517 buildstr, iwl_reduced_fw_name(drv)); 518 519 /* Verify size of file vs. image size info in file's header */ 520 521 if (ucode_raw->size != hdr_size + 522 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) + 523 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) + 524 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) + 525 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { 526 527 IWL_ERR(drv, 528 "uCode file size %d does not match expected size\n", 529 (int)ucode_raw->size); 530 return -EINVAL; 531 } 532 533 534 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src); 535 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST); 536 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 537 IWLAGN_RTC_INST_LOWER_BOUND); 538 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src); 539 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA); 540 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 541 IWLAGN_RTC_DATA_LOWER_BOUND); 542 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src); 543 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST); 544 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 545 IWLAGN_RTC_INST_LOWER_BOUND); 546 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src); 547 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA); 548 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 549 IWLAGN_RTC_DATA_LOWER_BOUND); 550 return 0; 551 } 552 553 static int iwl_parse_tlv_firmware(struct iwl_drv *drv, 554 const struct firmware *ucode_raw, 555 struct iwl_firmware_pieces *pieces, 556 struct iwl_ucode_capabilities *capa, 557 bool *usniffer_images) 558 { 559 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; 560 const struct iwl_ucode_tlv *tlv; 561 size_t len = ucode_raw->size; 562 const u8 *data; 563 u32 tlv_len; 564 u32 usniffer_img; 565 enum iwl_ucode_tlv_type tlv_type; 566 const u8 *tlv_data; 567 char buildstr[25]; 568 u32 build, paging_mem_size; 569 int num_of_cpus; 570 bool usniffer_req = false; 571 572 if (len < sizeof(*ucode)) { 573 IWL_ERR(drv, "uCode has invalid length: %zd\n", len); 574 return -EINVAL; 575 } 576 577 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { 578 IWL_ERR(drv, "invalid uCode magic: 0X%x\n", 579 le32_to_cpu(ucode->magic)); 580 return -EINVAL; 581 } 582 583 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 584 memcpy(drv->fw.human_readable, ucode->human_readable, 585 sizeof(drv->fw.human_readable)); 586 build = le32_to_cpu(ucode->build); 587 588 if (build) 589 sprintf(buildstr, " build %u", build); 590 else 591 buildstr[0] = '\0'; 592 593 snprintf(drv->fw.fw_version, 594 sizeof(drv->fw.fw_version), 595 "%u.%u.%u.%u%s %s", 596 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 597 IWL_UCODE_MINOR(drv->fw.ucode_ver), 598 IWL_UCODE_API(drv->fw.ucode_ver), 599 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 600 buildstr, iwl_reduced_fw_name(drv)); 601 602 data = ucode->data; 603 604 len -= sizeof(*ucode); 605 606 while (len >= sizeof(*tlv)) { 607 len -= sizeof(*tlv); 608 tlv = (void *)data; 609 610 tlv_len = le32_to_cpu(tlv->length); 611 tlv_type = le32_to_cpu(tlv->type); 612 tlv_data = tlv->data; 613 614 if (len < tlv_len) { 615 IWL_ERR(drv, "invalid TLV len: %zd/%u\n", 616 len, tlv_len); 617 return -EINVAL; 618 } 619 len -= ALIGN(tlv_len, 4); 620 data += sizeof(*tlv) + ALIGN(tlv_len, 4); 621 622 switch (tlv_type) { 623 case IWL_UCODE_TLV_INST: 624 set_sec_data(pieces, IWL_UCODE_REGULAR, 625 IWL_UCODE_SECTION_INST, tlv_data); 626 set_sec_size(pieces, IWL_UCODE_REGULAR, 627 IWL_UCODE_SECTION_INST, tlv_len); 628 set_sec_offset(pieces, IWL_UCODE_REGULAR, 629 IWL_UCODE_SECTION_INST, 630 IWLAGN_RTC_INST_LOWER_BOUND); 631 break; 632 case IWL_UCODE_TLV_DATA: 633 set_sec_data(pieces, IWL_UCODE_REGULAR, 634 IWL_UCODE_SECTION_DATA, tlv_data); 635 set_sec_size(pieces, IWL_UCODE_REGULAR, 636 IWL_UCODE_SECTION_DATA, tlv_len); 637 set_sec_offset(pieces, IWL_UCODE_REGULAR, 638 IWL_UCODE_SECTION_DATA, 639 IWLAGN_RTC_DATA_LOWER_BOUND); 640 break; 641 case IWL_UCODE_TLV_INIT: 642 set_sec_data(pieces, IWL_UCODE_INIT, 643 IWL_UCODE_SECTION_INST, tlv_data); 644 set_sec_size(pieces, IWL_UCODE_INIT, 645 IWL_UCODE_SECTION_INST, tlv_len); 646 set_sec_offset(pieces, IWL_UCODE_INIT, 647 IWL_UCODE_SECTION_INST, 648 IWLAGN_RTC_INST_LOWER_BOUND); 649 break; 650 case IWL_UCODE_TLV_INIT_DATA: 651 set_sec_data(pieces, IWL_UCODE_INIT, 652 IWL_UCODE_SECTION_DATA, tlv_data); 653 set_sec_size(pieces, IWL_UCODE_INIT, 654 IWL_UCODE_SECTION_DATA, tlv_len); 655 set_sec_offset(pieces, IWL_UCODE_INIT, 656 IWL_UCODE_SECTION_DATA, 657 IWLAGN_RTC_DATA_LOWER_BOUND); 658 break; 659 case IWL_UCODE_TLV_BOOT: 660 IWL_ERR(drv, "Found unexpected BOOT ucode\n"); 661 break; 662 case IWL_UCODE_TLV_PROBE_MAX_LEN: 663 if (tlv_len != sizeof(u32)) 664 goto invalid_tlv_len; 665 capa->max_probe_length = 666 le32_to_cpup((__le32 *)tlv_data); 667 break; 668 case IWL_UCODE_TLV_PAN: 669 if (tlv_len) 670 goto invalid_tlv_len; 671 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; 672 break; 673 case IWL_UCODE_TLV_FLAGS: 674 /* must be at least one u32 */ 675 if (tlv_len < sizeof(u32)) 676 goto invalid_tlv_len; 677 /* and a proper number of u32s */ 678 if (tlv_len % sizeof(u32)) 679 goto invalid_tlv_len; 680 /* 681 * This driver only reads the first u32 as 682 * right now no more features are defined, 683 * if that changes then either the driver 684 * will not work with the new firmware, or 685 * it'll not take advantage of new features. 686 */ 687 capa->flags = le32_to_cpup((__le32 *)tlv_data); 688 break; 689 case IWL_UCODE_TLV_API_CHANGES_SET: 690 if (tlv_len != sizeof(struct iwl_ucode_api)) 691 goto invalid_tlv_len; 692 iwl_set_ucode_api_flags(drv, tlv_data, capa); 693 break; 694 case IWL_UCODE_TLV_ENABLED_CAPABILITIES: 695 if (tlv_len != sizeof(struct iwl_ucode_capa)) 696 goto invalid_tlv_len; 697 iwl_set_ucode_capabilities(drv, tlv_data, capa); 698 break; 699 case IWL_UCODE_TLV_INIT_EVTLOG_PTR: 700 if (tlv_len != sizeof(u32)) 701 goto invalid_tlv_len; 702 pieces->init_evtlog_ptr = 703 le32_to_cpup((__le32 *)tlv_data); 704 break; 705 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: 706 if (tlv_len != sizeof(u32)) 707 goto invalid_tlv_len; 708 pieces->init_evtlog_size = 709 le32_to_cpup((__le32 *)tlv_data); 710 break; 711 case IWL_UCODE_TLV_INIT_ERRLOG_PTR: 712 if (tlv_len != sizeof(u32)) 713 goto invalid_tlv_len; 714 pieces->init_errlog_ptr = 715 le32_to_cpup((__le32 *)tlv_data); 716 break; 717 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: 718 if (tlv_len != sizeof(u32)) 719 goto invalid_tlv_len; 720 pieces->inst_evtlog_ptr = 721 le32_to_cpup((__le32 *)tlv_data); 722 break; 723 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: 724 if (tlv_len != sizeof(u32)) 725 goto invalid_tlv_len; 726 pieces->inst_evtlog_size = 727 le32_to_cpup((__le32 *)tlv_data); 728 break; 729 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: 730 if (tlv_len != sizeof(u32)) 731 goto invalid_tlv_len; 732 pieces->inst_errlog_ptr = 733 le32_to_cpup((__le32 *)tlv_data); 734 break; 735 case IWL_UCODE_TLV_ENHANCE_SENS_TBL: 736 if (tlv_len) 737 goto invalid_tlv_len; 738 drv->fw.enhance_sensitivity_table = true; 739 break; 740 case IWL_UCODE_TLV_WOWLAN_INST: 741 set_sec_data(pieces, IWL_UCODE_WOWLAN, 742 IWL_UCODE_SECTION_INST, tlv_data); 743 set_sec_size(pieces, IWL_UCODE_WOWLAN, 744 IWL_UCODE_SECTION_INST, tlv_len); 745 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 746 IWL_UCODE_SECTION_INST, 747 IWLAGN_RTC_INST_LOWER_BOUND); 748 break; 749 case IWL_UCODE_TLV_WOWLAN_DATA: 750 set_sec_data(pieces, IWL_UCODE_WOWLAN, 751 IWL_UCODE_SECTION_DATA, tlv_data); 752 set_sec_size(pieces, IWL_UCODE_WOWLAN, 753 IWL_UCODE_SECTION_DATA, tlv_len); 754 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 755 IWL_UCODE_SECTION_DATA, 756 IWLAGN_RTC_DATA_LOWER_BOUND); 757 break; 758 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: 759 if (tlv_len != sizeof(u32)) 760 goto invalid_tlv_len; 761 capa->standard_phy_calibration_size = 762 le32_to_cpup((__le32 *)tlv_data); 763 break; 764 case IWL_UCODE_TLV_SEC_RT: 765 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 766 tlv_len); 767 drv->fw.type = IWL_FW_MVM; 768 break; 769 case IWL_UCODE_TLV_SEC_INIT: 770 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 771 tlv_len); 772 drv->fw.type = IWL_FW_MVM; 773 break; 774 case IWL_UCODE_TLV_SEC_WOWLAN: 775 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 776 tlv_len); 777 drv->fw.type = IWL_FW_MVM; 778 break; 779 case IWL_UCODE_TLV_DEF_CALIB: 780 if (tlv_len != sizeof(struct iwl_tlv_calib_data)) 781 goto invalid_tlv_len; 782 if (iwl_set_default_calib(drv, tlv_data)) 783 goto tlv_error; 784 break; 785 case IWL_UCODE_TLV_PHY_SKU: 786 if (tlv_len != sizeof(u32)) 787 goto invalid_tlv_len; 788 drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data); 789 drv->fw.valid_tx_ant = (drv->fw.phy_config & 790 FW_PHY_CFG_TX_CHAIN) >> 791 FW_PHY_CFG_TX_CHAIN_POS; 792 drv->fw.valid_rx_ant = (drv->fw.phy_config & 793 FW_PHY_CFG_RX_CHAIN) >> 794 FW_PHY_CFG_RX_CHAIN_POS; 795 break; 796 case IWL_UCODE_TLV_SECURE_SEC_RT: 797 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 798 tlv_len); 799 drv->fw.type = IWL_FW_MVM; 800 break; 801 case IWL_UCODE_TLV_SECURE_SEC_INIT: 802 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 803 tlv_len); 804 drv->fw.type = IWL_FW_MVM; 805 break; 806 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN: 807 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 808 tlv_len); 809 drv->fw.type = IWL_FW_MVM; 810 break; 811 case IWL_UCODE_TLV_NUM_OF_CPU: 812 if (tlv_len != sizeof(u32)) 813 goto invalid_tlv_len; 814 num_of_cpus = 815 le32_to_cpup((__le32 *)tlv_data); 816 817 if (num_of_cpus == 2) { 818 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus = 819 true; 820 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus = 821 true; 822 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus = 823 true; 824 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) { 825 IWL_ERR(drv, "Driver support upto 2 CPUs\n"); 826 return -EINVAL; 827 } 828 break; 829 case IWL_UCODE_TLV_CSCHEME: 830 if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len)) 831 goto invalid_tlv_len; 832 break; 833 case IWL_UCODE_TLV_N_SCAN_CHANNELS: 834 if (tlv_len != sizeof(u32)) 835 goto invalid_tlv_len; 836 capa->n_scan_channels = 837 le32_to_cpup((__le32 *)tlv_data); 838 break; 839 case IWL_UCODE_TLV_FW_VERSION: { 840 __le32 *ptr = (void *)tlv_data; 841 u32 major, minor; 842 u8 local_comp; 843 844 if (tlv_len != sizeof(u32) * 3) 845 goto invalid_tlv_len; 846 847 major = le32_to_cpup(ptr++); 848 minor = le32_to_cpup(ptr++); 849 local_comp = le32_to_cpup(ptr); 850 851 if (major >= 35) 852 snprintf(drv->fw.fw_version, 853 sizeof(drv->fw.fw_version), 854 "%u.%08x.%u %s", major, minor, 855 local_comp, iwl_reduced_fw_name(drv)); 856 else 857 snprintf(drv->fw.fw_version, 858 sizeof(drv->fw.fw_version), 859 "%u.%u.%u %s", major, minor, 860 local_comp, iwl_reduced_fw_name(drv)); 861 break; 862 } 863 case IWL_UCODE_TLV_FW_DBG_DEST: { 864 struct iwl_fw_dbg_dest_tlv *dest = NULL; 865 struct iwl_fw_dbg_dest_tlv_v1 *dest_v1 = NULL; 866 u8 mon_mode; 867 868 pieces->dbg_dest_ver = (u8 *)tlv_data; 869 if (*pieces->dbg_dest_ver == 1) { 870 dest = (void *)tlv_data; 871 } else if (*pieces->dbg_dest_ver == 0) { 872 dest_v1 = (void *)tlv_data; 873 } else { 874 IWL_ERR(drv, 875 "The version is %d, and it is invalid\n", 876 *pieces->dbg_dest_ver); 877 break; 878 } 879 880 if (pieces->dbg_dest_tlv_init) { 881 IWL_ERR(drv, 882 "dbg destination ignored, already exists\n"); 883 break; 884 } 885 886 pieces->dbg_dest_tlv_init = true; 887 888 if (dest_v1) { 889 pieces->dbg_dest_tlv_v1 = dest_v1; 890 mon_mode = dest_v1->monitor_mode; 891 } else { 892 pieces->dbg_dest_tlv = dest; 893 mon_mode = dest->monitor_mode; 894 } 895 896 IWL_INFO(drv, "Found debug destination: %s\n", 897 get_fw_dbg_mode_string(mon_mode)); 898 899 drv->fw.dbg.n_dest_reg = (dest_v1) ? 900 tlv_len - 901 offsetof(struct iwl_fw_dbg_dest_tlv_v1, 902 reg_ops) : 903 tlv_len - 904 offsetof(struct iwl_fw_dbg_dest_tlv, 905 reg_ops); 906 907 drv->fw.dbg.n_dest_reg /= 908 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]); 909 910 break; 911 } 912 case IWL_UCODE_TLV_FW_DBG_CONF: { 913 struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data; 914 915 if (!pieces->dbg_dest_tlv_init) { 916 IWL_ERR(drv, 917 "Ignore dbg config %d - no destination configured\n", 918 conf->id); 919 break; 920 } 921 922 if (conf->id >= ARRAY_SIZE(drv->fw.dbg.conf_tlv)) { 923 IWL_ERR(drv, 924 "Skip unknown configuration: %d\n", 925 conf->id); 926 break; 927 } 928 929 if (pieces->dbg_conf_tlv[conf->id]) { 930 IWL_ERR(drv, 931 "Ignore duplicate dbg config %d\n", 932 conf->id); 933 break; 934 } 935 936 if (conf->usniffer) 937 usniffer_req = true; 938 939 IWL_INFO(drv, "Found debug configuration: %d\n", 940 conf->id); 941 942 pieces->dbg_conf_tlv[conf->id] = conf; 943 pieces->dbg_conf_tlv_len[conf->id] = tlv_len; 944 break; 945 } 946 case IWL_UCODE_TLV_FW_DBG_TRIGGER: { 947 struct iwl_fw_dbg_trigger_tlv *trigger = 948 (void *)tlv_data; 949 u32 trigger_id = le32_to_cpu(trigger->id); 950 951 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg.trigger_tlv)) { 952 IWL_ERR(drv, 953 "Skip unknown trigger: %u\n", 954 trigger->id); 955 break; 956 } 957 958 if (pieces->dbg_trigger_tlv[trigger_id]) { 959 IWL_ERR(drv, 960 "Ignore duplicate dbg trigger %u\n", 961 trigger->id); 962 break; 963 } 964 965 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id); 966 967 pieces->dbg_trigger_tlv[trigger_id] = trigger; 968 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len; 969 break; 970 } 971 case IWL_UCODE_TLV_FW_DBG_DUMP_LST: { 972 if (tlv_len != sizeof(u32)) { 973 IWL_ERR(drv, 974 "dbg lst mask size incorrect, skip\n"); 975 break; 976 } 977 978 drv->fw.dbg.dump_mask = 979 le32_to_cpup((__le32 *)tlv_data); 980 break; 981 } 982 case IWL_UCODE_TLV_SEC_RT_USNIFFER: 983 *usniffer_images = true; 984 iwl_store_ucode_sec(pieces, tlv_data, 985 IWL_UCODE_REGULAR_USNIFFER, 986 tlv_len); 987 break; 988 case IWL_UCODE_TLV_PAGING: 989 if (tlv_len != sizeof(u32)) 990 goto invalid_tlv_len; 991 paging_mem_size = le32_to_cpup((__le32 *)tlv_data); 992 993 IWL_DEBUG_FW(drv, 994 "Paging: paging enabled (size = %u bytes)\n", 995 paging_mem_size); 996 997 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) { 998 IWL_ERR(drv, 999 "Paging: driver supports up to %lu bytes for paging image\n", 1000 MAX_PAGING_IMAGE_SIZE); 1001 return -EINVAL; 1002 } 1003 1004 if (paging_mem_size & (FW_PAGING_SIZE - 1)) { 1005 IWL_ERR(drv, 1006 "Paging: image isn't multiple %lu\n", 1007 FW_PAGING_SIZE); 1008 return -EINVAL; 1009 } 1010 1011 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size = 1012 paging_mem_size; 1013 usniffer_img = IWL_UCODE_REGULAR_USNIFFER; 1014 drv->fw.img[usniffer_img].paging_mem_size = 1015 paging_mem_size; 1016 break; 1017 case IWL_UCODE_TLV_FW_GSCAN_CAPA: 1018 /* ignored */ 1019 break; 1020 case IWL_UCODE_TLV_FW_MEM_SEG: { 1021 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem = 1022 (void *)tlv_data; 1023 size_t size; 1024 struct iwl_fw_dbg_mem_seg_tlv *n; 1025 1026 if (tlv_len != (sizeof(*dbg_mem))) 1027 goto invalid_tlv_len; 1028 1029 IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n", 1030 dbg_mem->data_type); 1031 1032 size = sizeof(*pieces->dbg_mem_tlv) * 1033 (pieces->n_mem_tlv + 1); 1034 n = krealloc(pieces->dbg_mem_tlv, size, GFP_KERNEL); 1035 if (!n) 1036 return -ENOMEM; 1037 pieces->dbg_mem_tlv = n; 1038 pieces->dbg_mem_tlv[pieces->n_mem_tlv] = *dbg_mem; 1039 pieces->n_mem_tlv++; 1040 break; 1041 } 1042 case IWL_UCODE_TLV_IML: { 1043 drv->fw.iml_len = tlv_len; 1044 drv->fw.iml = kmemdup(tlv_data, tlv_len, GFP_KERNEL); 1045 if (!drv->fw.iml) 1046 return -ENOMEM; 1047 break; 1048 } 1049 case IWL_UCODE_TLV_FW_RECOVERY_INFO: { 1050 struct { 1051 __le32 buf_addr; 1052 __le32 buf_size; 1053 } *recov_info = (void *)tlv_data; 1054 1055 if (tlv_len != sizeof(*recov_info)) 1056 goto invalid_tlv_len; 1057 capa->error_log_addr = 1058 le32_to_cpu(recov_info->buf_addr); 1059 capa->error_log_size = 1060 le32_to_cpu(recov_info->buf_size); 1061 } 1062 break; 1063 case IWL_UCODE_TLV_FW_FSEQ_VERSION: { 1064 struct { 1065 u8 version[32]; 1066 u8 sha1[20]; 1067 } *fseq_ver = (void *)tlv_data; 1068 1069 if (tlv_len != sizeof(*fseq_ver)) 1070 goto invalid_tlv_len; 1071 IWL_INFO(drv, "TLV_FW_FSEQ_VERSION: %s\n", 1072 fseq_ver->version); 1073 } 1074 break; 1075 case IWL_UCODE_TLV_FW_NUM_STATIONS: 1076 if (tlv_len != sizeof(u32)) 1077 goto invalid_tlv_len; 1078 if (le32_to_cpup((__le32 *)tlv_data) > 1079 IWL_MVM_STATION_COUNT_MAX) { 1080 IWL_ERR(drv, 1081 "%d is an invalid number of station\n", 1082 le32_to_cpup((__le32 *)tlv_data)); 1083 goto tlv_error; 1084 } 1085 capa->num_stations = 1086 le32_to_cpup((__le32 *)tlv_data); 1087 break; 1088 case IWL_UCODE_TLV_UMAC_DEBUG_ADDRS: { 1089 struct iwl_umac_debug_addrs *dbg_ptrs = 1090 (void *)tlv_data; 1091 1092 if (tlv_len != sizeof(*dbg_ptrs)) 1093 goto invalid_tlv_len; 1094 if (drv->trans->trans_cfg->device_family < 1095 IWL_DEVICE_FAMILY_22000) 1096 break; 1097 drv->trans->dbg.umac_error_event_table = 1098 le32_to_cpu(dbg_ptrs->error_info_addr) & 1099 ~FW_ADDR_CACHE_CONTROL; 1100 drv->trans->dbg.error_event_table_tlv_status |= 1101 IWL_ERROR_EVENT_TABLE_UMAC; 1102 break; 1103 } 1104 case IWL_UCODE_TLV_LMAC_DEBUG_ADDRS: { 1105 struct iwl_lmac_debug_addrs *dbg_ptrs = 1106 (void *)tlv_data; 1107 1108 if (tlv_len != sizeof(*dbg_ptrs)) 1109 goto invalid_tlv_len; 1110 if (drv->trans->trans_cfg->device_family < 1111 IWL_DEVICE_FAMILY_22000) 1112 break; 1113 drv->trans->dbg.lmac_error_event_table[0] = 1114 le32_to_cpu(dbg_ptrs->error_event_table_ptr) & 1115 ~FW_ADDR_CACHE_CONTROL; 1116 drv->trans->dbg.error_event_table_tlv_status |= 1117 IWL_ERROR_EVENT_TABLE_LMAC1; 1118 break; 1119 } 1120 case IWL_UCODE_TLV_TCM_DEBUG_ADDRS: { 1121 struct iwl_fw_tcm_error_addr *ptr = (void *)tlv_data; 1122 1123 if (tlv_len != sizeof(*ptr)) 1124 goto invalid_tlv_len; 1125 drv->trans->dbg.tcm_error_event_table = 1126 le32_to_cpu(ptr->addr) & ~FW_ADDR_CACHE_CONTROL; 1127 drv->trans->dbg.error_event_table_tlv_status |= 1128 IWL_ERROR_EVENT_TABLE_TCM; 1129 break; 1130 } 1131 case IWL_UCODE_TLV_TYPE_DEBUG_INFO: 1132 case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION: 1133 case IWL_UCODE_TLV_TYPE_HCMD: 1134 case IWL_UCODE_TLV_TYPE_REGIONS: 1135 case IWL_UCODE_TLV_TYPE_TRIGGERS: 1136 if (iwlwifi_mod_params.enable_ini) 1137 iwl_dbg_tlv_alloc(drv->trans, tlv, false); 1138 break; 1139 case IWL_UCODE_TLV_CMD_VERSIONS: 1140 if (tlv_len % sizeof(struct iwl_fw_cmd_version)) { 1141 IWL_ERR(drv, 1142 "Invalid length for command versions: %u\n", 1143 tlv_len); 1144 tlv_len /= sizeof(struct iwl_fw_cmd_version); 1145 tlv_len *= sizeof(struct iwl_fw_cmd_version); 1146 } 1147 if (WARN_ON(capa->cmd_versions)) 1148 return -EINVAL; 1149 capa->cmd_versions = kmemdup(tlv_data, tlv_len, 1150 GFP_KERNEL); 1151 if (!capa->cmd_versions) 1152 return -ENOMEM; 1153 capa->n_cmd_versions = 1154 tlv_len / sizeof(struct iwl_fw_cmd_version); 1155 break; 1156 case IWL_UCODE_TLV_PHY_INTEGRATION_VERSION: 1157 if (drv->fw.phy_integration_ver) { 1158 IWL_ERR(drv, 1159 "phy integration str ignored, already exists\n"); 1160 break; 1161 } 1162 1163 drv->fw.phy_integration_ver = 1164 kmemdup(tlv_data, tlv_len, GFP_KERNEL); 1165 if (!drv->fw.phy_integration_ver) 1166 return -ENOMEM; 1167 drv->fw.phy_integration_ver_len = tlv_len; 1168 break; 1169 default: 1170 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); 1171 break; 1172 } 1173 } 1174 1175 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) && 1176 usniffer_req && !*usniffer_images) { 1177 IWL_ERR(drv, 1178 "user selected to work with usniffer but usniffer image isn't available in ucode package\n"); 1179 return -EINVAL; 1180 } 1181 1182 if (len) { 1183 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); 1184 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len); 1185 return -EINVAL; 1186 } 1187 1188 return 0; 1189 1190 invalid_tlv_len: 1191 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); 1192 tlv_error: 1193 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); 1194 1195 return -EINVAL; 1196 } 1197 1198 static int iwl_alloc_ucode(struct iwl_drv *drv, 1199 struct iwl_firmware_pieces *pieces, 1200 enum iwl_ucode_type type) 1201 { 1202 int i; 1203 struct fw_desc *sec; 1204 1205 sec = kcalloc(pieces->img[type].sec_counter, sizeof(*sec), GFP_KERNEL); 1206 if (!sec) 1207 return -ENOMEM; 1208 drv->fw.img[type].sec = sec; 1209 drv->fw.img[type].num_sec = pieces->img[type].sec_counter; 1210 1211 for (i = 0; i < pieces->img[type].sec_counter; i++) 1212 if (iwl_alloc_fw_desc(drv, &sec[i], get_sec(pieces, type, i))) 1213 return -ENOMEM; 1214 1215 return 0; 1216 } 1217 1218 static int validate_sec_sizes(struct iwl_drv *drv, 1219 struct iwl_firmware_pieces *pieces, 1220 const struct iwl_cfg *cfg) 1221 { 1222 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %zd\n", 1223 get_sec_size(pieces, IWL_UCODE_REGULAR, 1224 IWL_UCODE_SECTION_INST)); 1225 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %zd\n", 1226 get_sec_size(pieces, IWL_UCODE_REGULAR, 1227 IWL_UCODE_SECTION_DATA)); 1228 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %zd\n", 1229 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); 1230 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %zd\n", 1231 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); 1232 1233 /* Verify that uCode images will fit in card's SRAM. */ 1234 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > 1235 cfg->max_inst_size) { 1236 IWL_ERR(drv, "uCode instr len %zd too large to fit in\n", 1237 get_sec_size(pieces, IWL_UCODE_REGULAR, 1238 IWL_UCODE_SECTION_INST)); 1239 return -1; 1240 } 1241 1242 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > 1243 cfg->max_data_size) { 1244 IWL_ERR(drv, "uCode data len %zd too large to fit in\n", 1245 get_sec_size(pieces, IWL_UCODE_REGULAR, 1246 IWL_UCODE_SECTION_DATA)); 1247 return -1; 1248 } 1249 1250 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > 1251 cfg->max_inst_size) { 1252 IWL_ERR(drv, "uCode init instr len %zd too large to fit in\n", 1253 get_sec_size(pieces, IWL_UCODE_INIT, 1254 IWL_UCODE_SECTION_INST)); 1255 return -1; 1256 } 1257 1258 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > 1259 cfg->max_data_size) { 1260 IWL_ERR(drv, "uCode init data len %zd too large to fit in\n", 1261 get_sec_size(pieces, IWL_UCODE_REGULAR, 1262 IWL_UCODE_SECTION_DATA)); 1263 return -1; 1264 } 1265 return 0; 1266 } 1267 1268 static struct iwl_op_mode * 1269 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op) 1270 { 1271 const struct iwl_op_mode_ops *ops = op->ops; 1272 struct dentry *dbgfs_dir = NULL; 1273 struct iwl_op_mode *op_mode = NULL; 1274 1275 #ifdef CONFIG_IWLWIFI_DEBUGFS 1276 drv->dbgfs_op_mode = debugfs_create_dir(op->name, 1277 drv->dbgfs_drv); 1278 dbgfs_dir = drv->dbgfs_op_mode; 1279 #endif 1280 1281 op_mode = ops->start(drv->trans, drv->trans->cfg, &drv->fw, dbgfs_dir); 1282 1283 #ifdef CONFIG_IWLWIFI_DEBUGFS 1284 if (!op_mode) { 1285 debugfs_remove_recursive(drv->dbgfs_op_mode); 1286 drv->dbgfs_op_mode = NULL; 1287 } 1288 #endif 1289 1290 return op_mode; 1291 } 1292 1293 static void _iwl_op_mode_stop(struct iwl_drv *drv) 1294 { 1295 /* op_mode can be NULL if its start failed */ 1296 if (drv->op_mode) { 1297 iwl_op_mode_stop(drv->op_mode); 1298 drv->op_mode = NULL; 1299 1300 #ifdef CONFIG_IWLWIFI_DEBUGFS 1301 debugfs_remove_recursive(drv->dbgfs_op_mode); 1302 drv->dbgfs_op_mode = NULL; 1303 #endif 1304 } 1305 } 1306 1307 /* 1308 * iwl_req_fw_callback - callback when firmware was loaded 1309 * 1310 * If loaded successfully, copies the firmware into buffers 1311 * for the card to fetch (via DMA). 1312 */ 1313 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) 1314 { 1315 struct iwl_drv *drv = context; 1316 struct iwl_fw *fw = &drv->fw; 1317 struct iwl_ucode_header *ucode; 1318 struct iwlwifi_opmode_table *op; 1319 int err; 1320 struct iwl_firmware_pieces *pieces; 1321 const unsigned int api_max = drv->trans->cfg->ucode_api_max; 1322 const unsigned int api_min = drv->trans->cfg->ucode_api_min; 1323 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX]; 1324 u32 api_ver; 1325 int i; 1326 bool load_module = false; 1327 bool usniffer_images = false; 1328 1329 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH; 1330 fw->ucode_capa.standard_phy_calibration_size = 1331 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1332 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS; 1333 fw->ucode_capa.num_stations = IWL_MVM_STATION_COUNT_MAX; 1334 /* dump all fw memory areas by default */ 1335 fw->dbg.dump_mask = 0xffffffff; 1336 1337 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL); 1338 if (!pieces) 1339 goto out_free_fw; 1340 1341 if (!ucode_raw) 1342 goto try_again; 1343 1344 IWL_DEBUG_FW_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n", 1345 drv->firmware_name, ucode_raw->size); 1346 1347 /* Make sure that we got at least the API version number */ 1348 if (ucode_raw->size < 4) { 1349 IWL_ERR(drv, "File size way too small!\n"); 1350 goto try_again; 1351 } 1352 1353 /* Data from ucode file: header followed by uCode images */ 1354 ucode = (struct iwl_ucode_header *)ucode_raw->data; 1355 1356 if (ucode->ver) 1357 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces); 1358 else 1359 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces, 1360 &fw->ucode_capa, &usniffer_images); 1361 1362 if (err) 1363 goto try_again; 1364 1365 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION)) 1366 api_ver = drv->fw.ucode_ver; 1367 else 1368 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 1369 1370 /* 1371 * api_ver should match the api version forming part of the 1372 * firmware filename ... but we don't check for that and only rely 1373 * on the API version read from firmware header from here on forward 1374 */ 1375 if (api_ver < api_min || api_ver > api_max) { 1376 IWL_ERR(drv, 1377 "Driver unable to support your firmware API. " 1378 "Driver supports v%u, firmware is v%u.\n", 1379 api_max, api_ver); 1380 goto try_again; 1381 } 1382 1383 /* 1384 * In mvm uCode there is no difference between data and instructions 1385 * sections. 1386 */ 1387 if (fw->type == IWL_FW_DVM && validate_sec_sizes(drv, pieces, 1388 drv->trans->cfg)) 1389 goto try_again; 1390 1391 /* Allocate ucode buffers for card's bus-master loading ... */ 1392 1393 /* Runtime instructions and 2 copies of data: 1394 * 1) unmodified from disk 1395 * 2) backup cache for save/restore during power-downs 1396 */ 1397 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 1398 if (iwl_alloc_ucode(drv, pieces, i)) 1399 goto out_free_fw; 1400 1401 if (pieces->dbg_dest_tlv_init) { 1402 size_t dbg_dest_size = sizeof(*drv->fw.dbg.dest_tlv) + 1403 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * 1404 drv->fw.dbg.n_dest_reg; 1405 1406 drv->fw.dbg.dest_tlv = kmalloc(dbg_dest_size, GFP_KERNEL); 1407 1408 if (!drv->fw.dbg.dest_tlv) 1409 goto out_free_fw; 1410 1411 if (*pieces->dbg_dest_ver == 0) { 1412 memcpy(drv->fw.dbg.dest_tlv, pieces->dbg_dest_tlv_v1, 1413 dbg_dest_size); 1414 } else { 1415 struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv = 1416 drv->fw.dbg.dest_tlv; 1417 1418 dest_tlv->version = pieces->dbg_dest_tlv->version; 1419 dest_tlv->monitor_mode = 1420 pieces->dbg_dest_tlv->monitor_mode; 1421 dest_tlv->size_power = 1422 pieces->dbg_dest_tlv->size_power; 1423 dest_tlv->wrap_count = 1424 pieces->dbg_dest_tlv->wrap_count; 1425 dest_tlv->write_ptr_reg = 1426 pieces->dbg_dest_tlv->write_ptr_reg; 1427 dest_tlv->base_shift = 1428 pieces->dbg_dest_tlv->base_shift; 1429 memcpy(dest_tlv->reg_ops, 1430 pieces->dbg_dest_tlv->reg_ops, 1431 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * 1432 drv->fw.dbg.n_dest_reg); 1433 1434 /* In version 1 of the destination tlv, which is 1435 * relevant for internal buffer exclusively, 1436 * the base address is part of given with the length 1437 * of the buffer, and the size shift is give instead of 1438 * end shift. We now store these values in base_reg, 1439 * and end shift, and when dumping the data we'll 1440 * manipulate it for extracting both the length and 1441 * base address */ 1442 dest_tlv->base_reg = pieces->dbg_dest_tlv->cfg_reg; 1443 dest_tlv->end_shift = 1444 pieces->dbg_dest_tlv->size_shift; 1445 } 1446 } 1447 1448 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) { 1449 if (pieces->dbg_conf_tlv[i]) { 1450 drv->fw.dbg.conf_tlv[i] = 1451 kmemdup(pieces->dbg_conf_tlv[i], 1452 pieces->dbg_conf_tlv_len[i], 1453 GFP_KERNEL); 1454 if (!drv->fw.dbg.conf_tlv[i]) 1455 goto out_free_fw; 1456 } 1457 } 1458 1459 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz)); 1460 1461 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] = 1462 sizeof(struct iwl_fw_dbg_trigger_missed_bcon); 1463 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0; 1464 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] = 1465 sizeof(struct iwl_fw_dbg_trigger_cmd); 1466 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] = 1467 sizeof(struct iwl_fw_dbg_trigger_mlme); 1468 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] = 1469 sizeof(struct iwl_fw_dbg_trigger_stats); 1470 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] = 1471 sizeof(struct iwl_fw_dbg_trigger_low_rssi); 1472 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] = 1473 sizeof(struct iwl_fw_dbg_trigger_txq_timer); 1474 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] = 1475 sizeof(struct iwl_fw_dbg_trigger_time_event); 1476 trigger_tlv_sz[FW_DBG_TRIGGER_BA] = 1477 sizeof(struct iwl_fw_dbg_trigger_ba); 1478 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] = 1479 sizeof(struct iwl_fw_dbg_trigger_tdls); 1480 1481 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) { 1482 if (pieces->dbg_trigger_tlv[i]) { 1483 /* 1484 * If the trigger isn't long enough, WARN and exit. 1485 * Someone is trying to debug something and he won't 1486 * be able to catch the bug he is trying to chase. 1487 * We'd better be noisy to be sure he knows what's 1488 * going on. 1489 */ 1490 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] < 1491 (trigger_tlv_sz[i] + 1492 sizeof(struct iwl_fw_dbg_trigger_tlv)))) 1493 goto out_free_fw; 1494 drv->fw.dbg.trigger_tlv_len[i] = 1495 pieces->dbg_trigger_tlv_len[i]; 1496 drv->fw.dbg.trigger_tlv[i] = 1497 kmemdup(pieces->dbg_trigger_tlv[i], 1498 drv->fw.dbg.trigger_tlv_len[i], 1499 GFP_KERNEL); 1500 if (!drv->fw.dbg.trigger_tlv[i]) 1501 goto out_free_fw; 1502 } 1503 } 1504 1505 /* Now that we can no longer fail, copy information */ 1506 1507 drv->fw.dbg.mem_tlv = pieces->dbg_mem_tlv; 1508 pieces->dbg_mem_tlv = NULL; 1509 drv->fw.dbg.n_mem_tlv = pieces->n_mem_tlv; 1510 1511 /* 1512 * The (size - 16) / 12 formula is based on the information recorded 1513 * for each event, which is of mode 1 (including timestamp) for all 1514 * new microcodes that include this information. 1515 */ 1516 fw->init_evtlog_ptr = pieces->init_evtlog_ptr; 1517 if (pieces->init_evtlog_size) 1518 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12; 1519 else 1520 fw->init_evtlog_size = 1521 drv->trans->trans_cfg->base_params->max_event_log_size; 1522 fw->init_errlog_ptr = pieces->init_errlog_ptr; 1523 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr; 1524 if (pieces->inst_evtlog_size) 1525 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12; 1526 else 1527 fw->inst_evtlog_size = 1528 drv->trans->trans_cfg->base_params->max_event_log_size; 1529 fw->inst_errlog_ptr = pieces->inst_errlog_ptr; 1530 1531 /* 1532 * figure out the offset of chain noise reset and gain commands 1533 * base on the size of standard phy calibration commands table size 1534 */ 1535 if (fw->ucode_capa.standard_phy_calibration_size > 1536 IWL_MAX_PHY_CALIBRATE_TBL_SIZE) 1537 fw->ucode_capa.standard_phy_calibration_size = 1538 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1539 1540 /* We have our copies now, allow OS release its copies */ 1541 release_firmware(ucode_raw); 1542 1543 mutex_lock(&iwlwifi_opmode_table_mtx); 1544 switch (fw->type) { 1545 case IWL_FW_DVM: 1546 op = &iwlwifi_opmode_table[DVM_OP_MODE]; 1547 break; 1548 default: 1549 WARN(1, "Invalid fw type %d\n", fw->type); 1550 fallthrough; 1551 case IWL_FW_MVM: 1552 op = &iwlwifi_opmode_table[MVM_OP_MODE]; 1553 break; 1554 } 1555 1556 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n", 1557 drv->fw.fw_version, op->name); 1558 1559 iwl_dbg_tlv_load_bin(drv->trans->dev, drv->trans); 1560 1561 /* add this device to the list of devices using this op_mode */ 1562 list_add_tail(&drv->list, &op->drv); 1563 1564 if (op->ops) { 1565 drv->op_mode = _iwl_op_mode_start(drv, op); 1566 1567 if (!drv->op_mode) { 1568 mutex_unlock(&iwlwifi_opmode_table_mtx); 1569 goto out_unbind; 1570 } 1571 } else { 1572 load_module = true; 1573 } 1574 mutex_unlock(&iwlwifi_opmode_table_mtx); 1575 1576 /* 1577 * Complete the firmware request last so that 1578 * a driver unbind (stop) doesn't run while we 1579 * are doing the start() above. 1580 */ 1581 complete(&drv->request_firmware_complete); 1582 1583 /* 1584 * Load the module last so we don't block anything 1585 * else from proceeding if the module fails to load 1586 * or hangs loading. 1587 */ 1588 if (load_module) { 1589 request_module("%s", op->name); 1590 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR 1591 if (err) 1592 IWL_ERR(drv, 1593 "failed to load module %s (error %d), is dynamic loading enabled?\n", 1594 op->name, err); 1595 #endif 1596 } 1597 goto free; 1598 1599 try_again: 1600 /* try next, if any */ 1601 release_firmware(ucode_raw); 1602 if (iwl_request_firmware(drv, false)) 1603 goto out_unbind; 1604 goto free; 1605 1606 out_free_fw: 1607 release_firmware(ucode_raw); 1608 out_unbind: 1609 complete(&drv->request_firmware_complete); 1610 device_release_driver(drv->trans->dev); 1611 free: 1612 if (pieces) { 1613 for (i = 0; i < ARRAY_SIZE(pieces->img); i++) 1614 kfree(pieces->img[i].sec); 1615 kfree(pieces->dbg_mem_tlv); 1616 kfree(pieces); 1617 } 1618 } 1619 1620 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans) 1621 { 1622 struct iwl_drv *drv; 1623 int ret; 1624 1625 drv = kzalloc(sizeof(*drv), GFP_KERNEL); 1626 if (!drv) { 1627 ret = -ENOMEM; 1628 goto err; 1629 } 1630 1631 drv->trans = trans; 1632 drv->dev = trans->dev; 1633 1634 init_completion(&drv->request_firmware_complete); 1635 INIT_LIST_HEAD(&drv->list); 1636 1637 #ifdef CONFIG_IWLWIFI_DEBUGFS 1638 /* Create the device debugfs entries. */ 1639 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev), 1640 iwl_dbgfs_root); 1641 1642 /* Create transport layer debugfs dir */ 1643 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv); 1644 #endif 1645 1646 drv->trans->dbg.domains_bitmap = IWL_TRANS_FW_DBG_DOMAIN(drv->trans); 1647 1648 ret = iwl_request_firmware(drv, true); 1649 if (ret) { 1650 IWL_ERR(trans, "Couldn't request the fw\n"); 1651 goto err_fw; 1652 } 1653 1654 return drv; 1655 1656 err_fw: 1657 #ifdef CONFIG_IWLWIFI_DEBUGFS 1658 debugfs_remove_recursive(drv->dbgfs_drv); 1659 iwl_dbg_tlv_free(drv->trans); 1660 #endif 1661 kfree(drv); 1662 err: 1663 return ERR_PTR(ret); 1664 } 1665 1666 void iwl_drv_stop(struct iwl_drv *drv) 1667 { 1668 wait_for_completion(&drv->request_firmware_complete); 1669 1670 _iwl_op_mode_stop(drv); 1671 1672 iwl_dealloc_ucode(drv); 1673 1674 mutex_lock(&iwlwifi_opmode_table_mtx); 1675 /* 1676 * List is empty (this item wasn't added) 1677 * when firmware loading failed -- in that 1678 * case we can't remove it from any list. 1679 */ 1680 if (!list_empty(&drv->list)) 1681 list_del(&drv->list); 1682 mutex_unlock(&iwlwifi_opmode_table_mtx); 1683 1684 #ifdef CONFIG_IWLWIFI_DEBUGFS 1685 drv->trans->ops->debugfs_cleanup(drv->trans); 1686 1687 debugfs_remove_recursive(drv->dbgfs_drv); 1688 #endif 1689 1690 iwl_dbg_tlv_free(drv->trans); 1691 1692 kfree(drv); 1693 } 1694 1695 1696 /* shared module parameters */ 1697 struct iwl_mod_params iwlwifi_mod_params = { 1698 .fw_restart = true, 1699 .bt_coex_active = true, 1700 .power_level = IWL_POWER_INDEX_1, 1701 .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT, 1702 .enable_ini = true, 1703 /* the rest are 0 by default */ 1704 }; 1705 IWL_EXPORT_SYMBOL(iwlwifi_mod_params); 1706 1707 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops) 1708 { 1709 int i; 1710 struct iwl_drv *drv; 1711 struct iwlwifi_opmode_table *op; 1712 1713 mutex_lock(&iwlwifi_opmode_table_mtx); 1714 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1715 op = &iwlwifi_opmode_table[i]; 1716 if (strcmp(op->name, name)) 1717 continue; 1718 op->ops = ops; 1719 /* TODO: need to handle exceptional case */ 1720 list_for_each_entry(drv, &op->drv, list) 1721 drv->op_mode = _iwl_op_mode_start(drv, op); 1722 1723 mutex_unlock(&iwlwifi_opmode_table_mtx); 1724 return 0; 1725 } 1726 mutex_unlock(&iwlwifi_opmode_table_mtx); 1727 return -EIO; 1728 } 1729 IWL_EXPORT_SYMBOL(iwl_opmode_register); 1730 1731 void iwl_opmode_deregister(const char *name) 1732 { 1733 int i; 1734 struct iwl_drv *drv; 1735 1736 mutex_lock(&iwlwifi_opmode_table_mtx); 1737 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1738 if (strcmp(iwlwifi_opmode_table[i].name, name)) 1739 continue; 1740 iwlwifi_opmode_table[i].ops = NULL; 1741 1742 /* call the stop routine for all devices */ 1743 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list) 1744 _iwl_op_mode_stop(drv); 1745 1746 mutex_unlock(&iwlwifi_opmode_table_mtx); 1747 return; 1748 } 1749 mutex_unlock(&iwlwifi_opmode_table_mtx); 1750 } 1751 IWL_EXPORT_SYMBOL(iwl_opmode_deregister); 1752 1753 static int __init iwl_drv_init(void) 1754 { 1755 int i, err; 1756 1757 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) 1758 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv); 1759 1760 pr_info(DRV_DESCRIPTION "\n"); 1761 1762 #ifdef CONFIG_IWLWIFI_DEBUGFS 1763 /* Create the root of iwlwifi debugfs subsystem. */ 1764 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL); 1765 #endif 1766 1767 err = iwl_pci_register_driver(); 1768 if (err) 1769 goto cleanup_debugfs; 1770 1771 return 0; 1772 1773 cleanup_debugfs: 1774 #ifdef CONFIG_IWLWIFI_DEBUGFS 1775 debugfs_remove_recursive(iwl_dbgfs_root); 1776 #endif 1777 return err; 1778 } 1779 module_init(iwl_drv_init); 1780 1781 static void __exit iwl_drv_exit(void) 1782 { 1783 iwl_pci_unregister_driver(); 1784 1785 #ifdef CONFIG_IWLWIFI_DEBUGFS 1786 debugfs_remove_recursive(iwl_dbgfs_root); 1787 #endif 1788 } 1789 module_exit(iwl_drv_exit); 1790 1791 #ifdef CONFIG_IWLWIFI_DEBUG 1792 module_param_named(debug, iwlwifi_mod_params.debug_level, uint, 0644); 1793 MODULE_PARM_DESC(debug, "debug output mask"); 1794 #endif 1795 1796 module_param_named(swcrypto, iwlwifi_mod_params.swcrypto, int, 0444); 1797 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); 1798 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, 0444); 1799 MODULE_PARM_DESC(11n_disable, 1800 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX"); 1801 module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, int, 0444); 1802 MODULE_PARM_DESC(amsdu_size, 1803 "amsdu size 0: 12K for multi Rx queue devices, 2K for AX210 devices, " 1804 "4K for other devices 1:4K 2:8K 3:12K (16K buffers) 4: 2K (default 0)"); 1805 module_param_named(fw_restart, iwlwifi_mod_params.fw_restart, bool, 0444); 1806 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)"); 1807 1808 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, 0444); 1809 MODULE_PARM_DESC(nvm_file, "NVM file name"); 1810 1811 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, uint, 0644); 1812 MODULE_PARM_DESC(uapsd_disable, 1813 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)"); 1814 module_param_named(enable_ini, iwlwifi_mod_params.enable_ini, 1815 bool, S_IRUGO | S_IWUSR); 1816 MODULE_PARM_DESC(enable_ini, 1817 "Enable debug INI TLV FW debug infrastructure (default: true"); 1818 1819 /* 1820 * set bt_coex_active to true, uCode will do kill/defer 1821 * every time the priority line is asserted (BT is sending signals on the 1822 * priority line in the PCIx). 1823 * set bt_coex_active to false, uCode will ignore the BT activity and 1824 * perform the normal operation 1825 * 1826 * User might experience transmit issue on some platform due to WiFi/BT 1827 * co-exist problem. The possible behaviors are: 1828 * Able to scan and finding all the available AP 1829 * Not able to associate with any AP 1830 * On those platforms, WiFi communication can be restored by set 1831 * "bt_coex_active" module parameter to "false" 1832 * 1833 * default: bt_coex_active = true (BT_COEX_ENABLE) 1834 */ 1835 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active, 1836 bool, 0444); 1837 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); 1838 1839 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, 0444); 1840 MODULE_PARM_DESC(led_mode, "0=system default, " 1841 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); 1842 1843 module_param_named(power_save, iwlwifi_mod_params.power_save, bool, 0444); 1844 MODULE_PARM_DESC(power_save, 1845 "enable WiFi power management (default: disable)"); 1846 1847 module_param_named(power_level, iwlwifi_mod_params.power_level, int, 0444); 1848 MODULE_PARM_DESC(power_level, 1849 "default power save level (range from 1 - 5, default: 1)"); 1850 1851 module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, 0444); 1852 MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)"); 1853 1854 module_param_named(remove_when_gone, 1855 iwlwifi_mod_params.remove_when_gone, bool, 1856 0444); 1857 MODULE_PARM_DESC(remove_when_gone, 1858 "Remove dev from PCIe bus if it is deemed inaccessible (default: false)"); 1859 1860 module_param_named(disable_11ax, iwlwifi_mod_params.disable_11ax, bool, 1861 S_IRUGO); 1862 MODULE_PARM_DESC(disable_11ax, "Disable HE capabilities (default: false)"); 1863