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#if defined(__FreeBSD__) 8#define LINUXKPI_PARAM_PREFIX iwlwifi_ 9#endif 10#include <linux/completion.h> 11#include <linux/dma-mapping.h> 12#include <linux/firmware.h> 13#include <linux/module.h> 14#include <linux/vmalloc.h> 15 16#include "iwl-drv.h" 17#include "iwl-csr.h" 18#include "iwl-debug.h" 19#include "iwl-trans.h" 20#include "iwl-op-mode.h" 21#include "iwl-agn-hw.h" 22#include "fw/img.h" 23#include "iwl-dbg-tlv.h" 24#include "iwl-config.h" 25#include "iwl-modparams.h" 26#include "fw/api/alive.h" 27#include "fw/api/mac.h" 28 29/****************************************************************************** 30 * 31 * module boiler plate 32 * 33 ******************************************************************************/ 34 35#if defined(__linux__) 36#define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux" 37MODULE_LICENSE("GPL"); 38#elif defined(__FreeBSD__) 39#define DRV_DESCRIPTION "Intel(R) Wireless WiFi based driver for FreeBSD" 40MODULE_LICENSE("BSD"); 41MODULE_VERSION(if_iwlwifi, 1); 42MODULE_DEPEND(if_iwlwifi, linuxkpi, 1, 1, 1); 43MODULE_DEPEND(if_iwlwifi, linuxkpi_wlan, 1, 1, 1); 44#ifdef CONFIG_IWLWIFI_DEBUGFS 45MODULE_DEPEND(if_iwlwifi, lindebugfs, 1, 1, 1); 46#endif 47#endif 48MODULE_DESCRIPTION(DRV_DESCRIPTION); 49 50#ifdef CONFIG_IWLWIFI_DEBUGFS 51static struct dentry *iwl_dbgfs_root; 52#endif 53 54/** 55 * struct iwl_drv - drv common data 56 * @list: list of drv structures using this opmode 57 * @fw: the iwl_fw structure 58 * @op_mode: the running op_mode 59 * @trans: transport layer 60 * @dev: for debug prints only 61 * @fw_index: firmware revision to try loading 62 * @firmware_name: composite filename of ucode file to load 63 * @request_firmware_complete: the firmware has been obtained from user space 64 * @dbgfs_drv: debugfs root directory entry 65 * @dbgfs_trans: debugfs transport directory entry 66 * @dbgfs_op_mode: debugfs op_mode directory entry 67 */ 68struct iwl_drv { 69 struct list_head list; 70 struct iwl_fw fw; 71 72 struct iwl_op_mode *op_mode; 73 struct iwl_trans *trans; 74 struct device *dev; 75 76 int fw_index; /* firmware we're trying to load */ 77 char firmware_name[64]; /* name of firmware file to load */ 78 79 struct completion request_firmware_complete; 80#if defined(__FreeBSD__) 81 struct completion drv_start_complete; 82#endif 83 84#ifdef CONFIG_IWLWIFI_DEBUGFS 85 struct dentry *dbgfs_drv; 86 struct dentry *dbgfs_trans; 87 struct dentry *dbgfs_op_mode; 88#endif 89}; 90 91enum { 92 DVM_OP_MODE, 93 MVM_OP_MODE, 94}; 95 96/* Protects the table contents, i.e. the ops pointer & drv list */ 97static DEFINE_MUTEX(iwlwifi_opmode_table_mtx); 98static struct iwlwifi_opmode_table { 99 const char *name; /* name: iwldvm, iwlmvm, etc */ 100 const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */ 101 struct list_head drv; /* list of devices using this op_mode */ 102} iwlwifi_opmode_table[] = { /* ops set when driver is initialized */ 103 [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL }, 104 [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL }, 105}; 106 107#define IWL_DEFAULT_SCAN_CHANNELS 40 108 109/* 110 * struct fw_sec: Just for the image parsing process. 111 * For the fw storage we are using struct fw_desc. 112 */ 113struct fw_sec { 114 const void *data; /* the sec data */ 115 size_t size; /* section size */ 116 u32 offset; /* offset of writing in the device */ 117}; 118 119static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc) 120{ 121 vfree(desc->data); 122 desc->data = NULL; 123 desc->len = 0; 124} 125 126static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img) 127{ 128 int i; 129 for (i = 0; i < img->num_sec; i++) 130 iwl_free_fw_desc(drv, &img->sec[i]); 131 kfree(img->sec); 132} 133 134static void iwl_dealloc_ucode(struct iwl_drv *drv) 135{ 136 int i; 137 138 kfree(drv->fw.dbg.dest_tlv); 139 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) 140 kfree(drv->fw.dbg.conf_tlv[i]); 141 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) 142 kfree(drv->fw.dbg.trigger_tlv[i]); 143 kfree(drv->fw.dbg.mem_tlv); 144 kfree(drv->fw.iml); 145 kfree(drv->fw.ucode_capa.cmd_versions); 146 kfree(drv->fw.phy_integration_ver); 147 kfree(drv->trans->dbg.pc_data); 148 149 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 150 iwl_free_fw_img(drv, drv->fw.img + i); 151 152 /* clear the data for the aborted load case */ 153 memset(&drv->fw, 0, sizeof(drv->fw)); 154} 155 156static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc, 157 struct fw_sec *sec) 158{ 159 void *data; 160 161 desc->data = NULL; 162 163 if (!sec || !sec->size) 164 return -EINVAL; 165 166 data = vmalloc(sec->size); 167 if (!data) 168 return -ENOMEM; 169 170 desc->len = sec->size; 171 desc->offset = sec->offset; 172 memcpy(data, sec->data, desc->len); 173 desc->data = data; 174 175 return 0; 176} 177 178static inline char iwl_drv_get_step(int step) 179{ 180 if (step == SILICON_Z_STEP) 181 return 'z'; 182 return 'a' + step; 183} 184 185const char *iwl_drv_get_fwname_pre(struct iwl_trans *trans, char *buf) 186{ 187 char mac_step, rf_step; 188 const char *rf, *cdb; 189 190 if (trans->cfg->fw_name_pre) 191 return trans->cfg->fw_name_pre; 192 193 if (WARN_ON(!trans->cfg->fw_name_mac)) 194 return "unconfigured"; 195 196 mac_step = iwl_drv_get_step(trans->hw_rev_step); 197 198 switch (CSR_HW_RFID_TYPE(trans->hw_rf_id)) { 199 case IWL_CFG_RF_TYPE_HR1: 200 case IWL_CFG_RF_TYPE_HR2: 201 rf = "hr"; 202 break; 203 case IWL_CFG_RF_TYPE_GF: 204 rf = "gf"; 205 break; 206 case IWL_CFG_RF_TYPE_MR: 207 rf = "mr"; 208 break; 209 case IWL_CFG_RF_TYPE_MS: 210 rf = "ms"; 211 break; 212 case IWL_CFG_RF_TYPE_FM: 213 rf = "fm"; 214 break; 215 case IWL_CFG_RF_TYPE_WH: 216 rf = "wh"; 217 break; 218 default: 219 return "unknown-rf"; 220 } 221 222 cdb = CSR_HW_RFID_IS_CDB(trans->hw_rf_id) ? "4" : ""; 223 224 rf_step = iwl_drv_get_step(CSR_HW_RFID_STEP(trans->hw_rf_id)); 225 226 scnprintf(buf, FW_NAME_PRE_BUFSIZE, 227 "iwlwifi-%s-%c0-%s%s-%c0", 228 trans->cfg->fw_name_mac, mac_step, 229 rf, cdb, rf_step); 230 231 return buf; 232} 233IWL_EXPORT_SYMBOL(iwl_drv_get_fwname_pre); 234 235static void iwl_req_fw_callback(const struct firmware *ucode_raw, 236 void *context); 237 238static int iwl_request_firmware(struct iwl_drv *drv, bool first) 239{ 240 const struct iwl_cfg *cfg = drv->trans->cfg; 241 char _fw_name_pre[FW_NAME_PRE_BUFSIZE]; 242 const char *fw_name_pre; 243 244 if (drv->trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_9000 && 245 (drv->trans->hw_rev_step != SILICON_B_STEP && 246 drv->trans->hw_rev_step != SILICON_C_STEP)) { 247 IWL_ERR(drv, 248 "Only HW steps B and C are currently supported (0x%0x)\n", 249 drv->trans->hw_rev); 250 return -EINVAL; 251 } 252 253 fw_name_pre = iwl_drv_get_fwname_pre(drv->trans, _fw_name_pre); 254 255 if (first) 256 drv->fw_index = cfg->ucode_api_max; 257 else 258 drv->fw_index--; 259 260 if (drv->fw_index < cfg->ucode_api_min) { 261 IWL_ERR(drv, "no suitable firmware found!\n"); 262 263 if (cfg->ucode_api_min == cfg->ucode_api_max) { 264 IWL_ERR(drv, "%s-%d is required\n", fw_name_pre, 265 cfg->ucode_api_max); 266 } else { 267 IWL_ERR(drv, "minimum version required: %s-%d\n", 268 fw_name_pre, cfg->ucode_api_min); 269 IWL_ERR(drv, "maximum version supported: %s-%d\n", 270 fw_name_pre, cfg->ucode_api_max); 271 } 272 273 IWL_ERR(drv, 274 "check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git\n"); 275 return -ENOENT; 276 } 277 278 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s-%d.ucode", 279 fw_name_pre, drv->fw_index); 280 281 IWL_DEBUG_FW_INFO(drv, "attempting to load firmware '%s'\n", 282 drv->firmware_name); 283 284 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name, 285 drv->trans->dev, 286 GFP_KERNEL, drv, iwl_req_fw_callback); 287} 288 289struct fw_img_parsing { 290 struct fw_sec *sec; 291 int sec_counter; 292}; 293 294/* 295 * struct fw_sec_parsing: to extract fw section and it's offset from tlv 296 */ 297struct fw_sec_parsing { 298 __le32 offset; 299 const u8 data[]; 300} __packed; 301 302/** 303 * struct iwl_tlv_calib_data - parse the default calib data from TLV 304 * 305 * @ucode_type: the uCode to which the following default calib relates. 306 * @calib: default calibrations. 307 */ 308struct iwl_tlv_calib_data { 309 __le32 ucode_type; 310 struct iwl_tlv_calib_ctrl calib; 311} __packed; 312 313struct iwl_firmware_pieces { 314 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX]; 315 316 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; 317 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; 318 319 /* FW debug data parsed for driver usage */ 320 bool dbg_dest_tlv_init; 321 const u8 *dbg_dest_ver; 322 union { 323 const struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv; 324 const struct iwl_fw_dbg_dest_tlv_v1 *dbg_dest_tlv_v1; 325 }; 326 const struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX]; 327 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX]; 328 const struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX]; 329 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX]; 330 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv; 331 size_t n_mem_tlv; 332}; 333 334/* 335 * These functions are just to extract uCode section data from the pieces 336 * structure. 337 */ 338static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces, 339 enum iwl_ucode_type type, 340 int sec) 341{ 342 return &pieces->img[type].sec[sec]; 343} 344 345static void alloc_sec_data(struct iwl_firmware_pieces *pieces, 346 enum iwl_ucode_type type, 347 int sec) 348{ 349 struct fw_img_parsing *img = &pieces->img[type]; 350 struct fw_sec *sec_memory; 351 int size = sec + 1; 352 size_t alloc_size = sizeof(*img->sec) * size; 353 354 if (img->sec && img->sec_counter >= size) 355 return; 356 357 sec_memory = krealloc(img->sec, alloc_size, GFP_KERNEL); 358 if (!sec_memory) 359 return; 360 361 img->sec = sec_memory; 362 img->sec_counter = size; 363} 364 365static void set_sec_data(struct iwl_firmware_pieces *pieces, 366 enum iwl_ucode_type type, 367 int sec, 368 const void *data) 369{ 370 alloc_sec_data(pieces, type, sec); 371 372 pieces->img[type].sec[sec].data = data; 373} 374 375static void set_sec_size(struct iwl_firmware_pieces *pieces, 376 enum iwl_ucode_type type, 377 int sec, 378 size_t size) 379{ 380 alloc_sec_data(pieces, type, sec); 381 382 pieces->img[type].sec[sec].size = size; 383} 384 385static size_t get_sec_size(struct iwl_firmware_pieces *pieces, 386 enum iwl_ucode_type type, 387 int sec) 388{ 389 return pieces->img[type].sec[sec].size; 390} 391 392static void set_sec_offset(struct iwl_firmware_pieces *pieces, 393 enum iwl_ucode_type type, 394 int sec, 395 u32 offset) 396{ 397 alloc_sec_data(pieces, type, sec); 398 399 pieces->img[type].sec[sec].offset = offset; 400} 401 402/* 403 * Gets uCode section from tlv. 404 */ 405static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces, 406 const void *data, enum iwl_ucode_type type, 407 int size) 408{ 409 struct fw_img_parsing *img; 410 struct fw_sec *sec; 411 const struct fw_sec_parsing *sec_parse; 412 size_t alloc_size; 413 414 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX)) 415 return -1; 416 417 sec_parse = (const struct fw_sec_parsing *)data; 418 419 img = &pieces->img[type]; 420 421 alloc_size = sizeof(*img->sec) * (img->sec_counter + 1); 422 sec = krealloc(img->sec, alloc_size, GFP_KERNEL); 423 if (!sec) 424 return -ENOMEM; 425 img->sec = sec; 426 427 sec = &img->sec[img->sec_counter]; 428 429 sec->offset = le32_to_cpu(sec_parse->offset); 430 sec->data = sec_parse->data; 431 sec->size = size - sizeof(sec_parse->offset); 432 433 ++img->sec_counter; 434 435 return 0; 436} 437 438static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data) 439{ 440 const struct iwl_tlv_calib_data *def_calib = 441 (const struct iwl_tlv_calib_data *)data; 442 u32 ucode_type = le32_to_cpu(def_calib->ucode_type); 443 if (ucode_type >= IWL_UCODE_TYPE_MAX) { 444 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n", 445 ucode_type); 446 return -EINVAL; 447 } 448 drv->fw.default_calib[ucode_type].flow_trigger = 449 def_calib->calib.flow_trigger; 450 drv->fw.default_calib[ucode_type].event_trigger = 451 def_calib->calib.event_trigger; 452 453 return 0; 454} 455 456static void iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data, 457 struct iwl_ucode_capabilities *capa) 458{ 459 const struct iwl_ucode_api *ucode_api = (const void *)data; 460 u32 api_index = le32_to_cpu(ucode_api->api_index); 461 u32 api_flags = le32_to_cpu(ucode_api->api_flags); 462 int i; 463 464 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) { 465 IWL_WARN(drv, 466 "api flags index %d larger than supported by driver\n", 467 api_index); 468 return; 469 } 470 471 for (i = 0; i < 32; i++) { 472 if (api_flags & BIT(i)) 473 __set_bit(i + 32 * api_index, capa->_api); 474 } 475} 476 477static void iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data, 478 struct iwl_ucode_capabilities *capa) 479{ 480 const struct iwl_ucode_capa *ucode_capa = (const void *)data; 481 u32 api_index = le32_to_cpu(ucode_capa->api_index); 482 u32 api_flags = le32_to_cpu(ucode_capa->api_capa); 483 int i; 484 485 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) { 486 IWL_WARN(drv, 487 "capa flags index %d larger than supported by driver\n", 488 api_index); 489 return; 490 } 491 492 for (i = 0; i < 32; i++) { 493 if (api_flags & BIT(i)) 494 __set_bit(i + 32 * api_index, capa->_capa); 495 } 496} 497 498static const char *iwl_reduced_fw_name(struct iwl_drv *drv) 499{ 500 const char *name = drv->firmware_name; 501 502 if (strncmp(name, "iwlwifi-", 8) == 0) 503 name += 8; 504 505 return name; 506} 507 508static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv, 509 const struct firmware *ucode_raw, 510 struct iwl_firmware_pieces *pieces) 511{ 512 const struct iwl_ucode_header *ucode = (const void *)ucode_raw->data; 513 u32 api_ver, hdr_size, build; 514 char buildstr[25]; 515 const u8 *src; 516 517 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 518 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 519 520 switch (api_ver) { 521 default: 522 hdr_size = 28; 523 if (ucode_raw->size < hdr_size) { 524 IWL_ERR(drv, "File size too small!\n"); 525 return -EINVAL; 526 } 527 build = le32_to_cpu(ucode->u.v2.build); 528 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 529 le32_to_cpu(ucode->u.v2.inst_size)); 530 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 531 le32_to_cpu(ucode->u.v2.data_size)); 532 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 533 le32_to_cpu(ucode->u.v2.init_size)); 534 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 535 le32_to_cpu(ucode->u.v2.init_data_size)); 536 src = ucode->u.v2.data; 537 break; 538 case 0: 539 case 1: 540 case 2: 541 hdr_size = 24; 542 if (ucode_raw->size < hdr_size) { 543 IWL_ERR(drv, "File size too small!\n"); 544 return -EINVAL; 545 } 546 build = 0; 547 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 548 le32_to_cpu(ucode->u.v1.inst_size)); 549 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 550 le32_to_cpu(ucode->u.v1.data_size)); 551 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 552 le32_to_cpu(ucode->u.v1.init_size)); 553 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 554 le32_to_cpu(ucode->u.v1.init_data_size)); 555 src = ucode->u.v1.data; 556 break; 557 } 558 559 if (build) 560 sprintf(buildstr, " build %u", build); 561 else 562 buildstr[0] = '\0'; 563 564 snprintf(drv->fw.fw_version, 565 sizeof(drv->fw.fw_version), 566 "%u.%u.%u.%u%s %s", 567 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 568 IWL_UCODE_MINOR(drv->fw.ucode_ver), 569 IWL_UCODE_API(drv->fw.ucode_ver), 570 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 571 buildstr, iwl_reduced_fw_name(drv)); 572 573 /* Verify size of file vs. image size info in file's header */ 574 575 if (ucode_raw->size != hdr_size + 576 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) + 577 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) + 578 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) + 579 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { 580 581 IWL_ERR(drv, 582 "uCode file size %d does not match expected size\n", 583 (int)ucode_raw->size); 584 return -EINVAL; 585 } 586 587 588 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src); 589 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST); 590 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, 591 IWLAGN_RTC_INST_LOWER_BOUND); 592 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src); 593 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA); 594 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, 595 IWLAGN_RTC_DATA_LOWER_BOUND); 596 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src); 597 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST); 598 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, 599 IWLAGN_RTC_INST_LOWER_BOUND); 600 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src); 601 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA); 602 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, 603 IWLAGN_RTC_DATA_LOWER_BOUND); 604 return 0; 605} 606 607static void iwl_drv_set_dump_exclude(struct iwl_drv *drv, 608 enum iwl_ucode_tlv_type tlv_type, 609 const void *tlv_data, u32 tlv_len) 610{ 611 const struct iwl_fw_dump_exclude *fw = tlv_data; 612 struct iwl_dump_exclude *excl; 613 614 if (tlv_len < sizeof(*fw)) 615 return; 616 617 if (tlv_type == IWL_UCODE_TLV_SEC_TABLE_ADDR) { 618 excl = &drv->fw.dump_excl[0]; 619 620 /* second time we find this, it's for WoWLAN */ 621 if (excl->addr) 622 excl = &drv->fw.dump_excl_wowlan[0]; 623 } else if (fw_has_capa(&drv->fw.ucode_capa, 624 IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG)) { 625 /* IWL_UCODE_TLV_D3_KEK_KCK_ADDR is regular image */ 626 excl = &drv->fw.dump_excl[0]; 627 } else { 628 /* IWL_UCODE_TLV_D3_KEK_KCK_ADDR is WoWLAN image */ 629 excl = &drv->fw.dump_excl_wowlan[0]; 630 } 631 632 if (excl->addr) 633 excl++; 634 635 if (excl->addr) { 636 IWL_DEBUG_FW_INFO(drv, "found too many excludes in fw file\n"); 637 return; 638 } 639 640 excl->addr = le32_to_cpu(fw->addr) & ~FW_ADDR_CACHE_CONTROL; 641 excl->size = le32_to_cpu(fw->size); 642} 643 644static void iwl_parse_dbg_tlv_assert_tables(struct iwl_drv *drv, 645 const struct iwl_ucode_tlv *tlv) 646{ 647 const struct iwl_fw_ini_region_tlv *region; 648 u32 length = le32_to_cpu(tlv->length); 649 u32 addr; 650 651 if (length < offsetof(typeof(*region), special_mem) + 652 sizeof(region->special_mem)) 653 return; 654 655 region = (const void *)tlv->data; 656 addr = le32_to_cpu(region->special_mem.base_addr); 657 addr += le32_to_cpu(region->special_mem.offset); 658 addr &= ~FW_ADDR_CACHE_CONTROL; 659 660 if (region->type != IWL_FW_INI_REGION_SPECIAL_DEVICE_MEMORY) 661 return; 662 663 switch (region->sub_type) { 664 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_UMAC_ERROR_TABLE: 665 drv->trans->dbg.umac_error_event_table = addr; 666 drv->trans->dbg.error_event_table_tlv_status |= 667 IWL_ERROR_EVENT_TABLE_UMAC; 668 break; 669 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_LMAC_1_ERROR_TABLE: 670 drv->trans->dbg.lmac_error_event_table[0] = addr; 671 drv->trans->dbg.error_event_table_tlv_status |= 672 IWL_ERROR_EVENT_TABLE_LMAC1; 673 break; 674 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_LMAC_2_ERROR_TABLE: 675 drv->trans->dbg.lmac_error_event_table[1] = addr; 676 drv->trans->dbg.error_event_table_tlv_status |= 677 IWL_ERROR_EVENT_TABLE_LMAC2; 678 break; 679 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_TCM_1_ERROR_TABLE: 680 drv->trans->dbg.tcm_error_event_table[0] = addr; 681 drv->trans->dbg.error_event_table_tlv_status |= 682 IWL_ERROR_EVENT_TABLE_TCM1; 683 break; 684 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_TCM_2_ERROR_TABLE: 685 drv->trans->dbg.tcm_error_event_table[1] = addr; 686 drv->trans->dbg.error_event_table_tlv_status |= 687 IWL_ERROR_EVENT_TABLE_TCM2; 688 break; 689 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_RCM_1_ERROR_TABLE: 690 drv->trans->dbg.rcm_error_event_table[0] = addr; 691 drv->trans->dbg.error_event_table_tlv_status |= 692 IWL_ERROR_EVENT_TABLE_RCM1; 693 break; 694 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_RCM_2_ERROR_TABLE: 695 drv->trans->dbg.rcm_error_event_table[1] = addr; 696 drv->trans->dbg.error_event_table_tlv_status |= 697 IWL_ERROR_EVENT_TABLE_RCM2; 698 break; 699 default: 700 break; 701 } 702} 703 704static int iwl_parse_tlv_firmware(struct iwl_drv *drv, 705 const struct firmware *ucode_raw, 706 struct iwl_firmware_pieces *pieces, 707 struct iwl_ucode_capabilities *capa, 708 bool *usniffer_images) 709{ 710 const struct iwl_tlv_ucode_header *ucode = (const void *)ucode_raw->data; 711 const struct iwl_ucode_tlv *tlv; 712 size_t len = ucode_raw->size; 713 const u8 *data; 714 u32 tlv_len; 715 u32 usniffer_img; 716 enum iwl_ucode_tlv_type tlv_type; 717 const u8 *tlv_data; 718 char buildstr[25]; 719 u32 build, paging_mem_size; 720 int num_of_cpus; 721 bool usniffer_req = false; 722 723 if (len < sizeof(*ucode)) { 724 IWL_ERR(drv, "uCode has invalid length: %zd\n", len); 725 return -EINVAL; 726 } 727 728 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { 729 IWL_ERR(drv, "invalid uCode magic: 0X%x\n", 730 le32_to_cpu(ucode->magic)); 731 return -EINVAL; 732 } 733 734 drv->fw.ucode_ver = le32_to_cpu(ucode->ver); 735 memcpy(drv->fw.human_readable, ucode->human_readable, 736 sizeof(drv->fw.human_readable)); 737 build = le32_to_cpu(ucode->build); 738 739 if (build) 740 sprintf(buildstr, " build %u", build); 741 else 742 buildstr[0] = '\0'; 743 744 snprintf(drv->fw.fw_version, 745 sizeof(drv->fw.fw_version), 746 "%u.%u.%u.%u%s %s", 747 IWL_UCODE_MAJOR(drv->fw.ucode_ver), 748 IWL_UCODE_MINOR(drv->fw.ucode_ver), 749 IWL_UCODE_API(drv->fw.ucode_ver), 750 IWL_UCODE_SERIAL(drv->fw.ucode_ver), 751 buildstr, iwl_reduced_fw_name(drv)); 752 753 data = ucode->data; 754 755 len -= sizeof(*ucode); 756 757 while (len >= sizeof(*tlv)) { 758 len -= sizeof(*tlv); 759 760 tlv = (const void *)data; 761 tlv_len = le32_to_cpu(tlv->length); 762 tlv_type = le32_to_cpu(tlv->type); 763 tlv_data = tlv->data; 764 765 if (len < tlv_len) { 766 IWL_ERR(drv, "invalid TLV len: %zd/%u\n", 767 len, tlv_len); 768 return -EINVAL; 769 } 770 len -= ALIGN(tlv_len, 4); 771 data += sizeof(*tlv) + ALIGN(tlv_len, 4); 772 773 switch (tlv_type) { 774 case IWL_UCODE_TLV_INST: 775 set_sec_data(pieces, IWL_UCODE_REGULAR, 776 IWL_UCODE_SECTION_INST, tlv_data); 777 set_sec_size(pieces, IWL_UCODE_REGULAR, 778 IWL_UCODE_SECTION_INST, tlv_len); 779 set_sec_offset(pieces, IWL_UCODE_REGULAR, 780 IWL_UCODE_SECTION_INST, 781 IWLAGN_RTC_INST_LOWER_BOUND); 782 break; 783 case IWL_UCODE_TLV_DATA: 784 set_sec_data(pieces, IWL_UCODE_REGULAR, 785 IWL_UCODE_SECTION_DATA, tlv_data); 786 set_sec_size(pieces, IWL_UCODE_REGULAR, 787 IWL_UCODE_SECTION_DATA, tlv_len); 788 set_sec_offset(pieces, IWL_UCODE_REGULAR, 789 IWL_UCODE_SECTION_DATA, 790 IWLAGN_RTC_DATA_LOWER_BOUND); 791 break; 792 case IWL_UCODE_TLV_INIT: 793 set_sec_data(pieces, IWL_UCODE_INIT, 794 IWL_UCODE_SECTION_INST, tlv_data); 795 set_sec_size(pieces, IWL_UCODE_INIT, 796 IWL_UCODE_SECTION_INST, tlv_len); 797 set_sec_offset(pieces, IWL_UCODE_INIT, 798 IWL_UCODE_SECTION_INST, 799 IWLAGN_RTC_INST_LOWER_BOUND); 800 break; 801 case IWL_UCODE_TLV_INIT_DATA: 802 set_sec_data(pieces, IWL_UCODE_INIT, 803 IWL_UCODE_SECTION_DATA, tlv_data); 804 set_sec_size(pieces, IWL_UCODE_INIT, 805 IWL_UCODE_SECTION_DATA, tlv_len); 806 set_sec_offset(pieces, IWL_UCODE_INIT, 807 IWL_UCODE_SECTION_DATA, 808 IWLAGN_RTC_DATA_LOWER_BOUND); 809 break; 810 case IWL_UCODE_TLV_BOOT: 811 IWL_ERR(drv, "Found unexpected BOOT ucode\n"); 812 break; 813 case IWL_UCODE_TLV_PROBE_MAX_LEN: 814 if (tlv_len != sizeof(u32)) 815 goto invalid_tlv_len; 816 capa->max_probe_length = 817 le32_to_cpup((const __le32 *)tlv_data); 818 break; 819 case IWL_UCODE_TLV_PAN: 820 if (tlv_len) 821 goto invalid_tlv_len; 822 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; 823 break; 824 case IWL_UCODE_TLV_FLAGS: 825 /* must be at least one u32 */ 826 if (tlv_len < sizeof(u32)) 827 goto invalid_tlv_len; 828 /* and a proper number of u32s */ 829 if (tlv_len % sizeof(u32)) 830 goto invalid_tlv_len; 831 /* 832 * This driver only reads the first u32 as 833 * right now no more features are defined, 834 * if that changes then either the driver 835 * will not work with the new firmware, or 836 * it'll not take advantage of new features. 837 */ 838 capa->flags = le32_to_cpup((const __le32 *)tlv_data); 839 break; 840 case IWL_UCODE_TLV_API_CHANGES_SET: 841 if (tlv_len != sizeof(struct iwl_ucode_api)) 842 goto invalid_tlv_len; 843 iwl_set_ucode_api_flags(drv, tlv_data, capa); 844 break; 845 case IWL_UCODE_TLV_ENABLED_CAPABILITIES: 846 if (tlv_len != sizeof(struct iwl_ucode_capa)) 847 goto invalid_tlv_len; 848 iwl_set_ucode_capabilities(drv, tlv_data, capa); 849 break; 850 case IWL_UCODE_TLV_INIT_EVTLOG_PTR: 851 if (tlv_len != sizeof(u32)) 852 goto invalid_tlv_len; 853 pieces->init_evtlog_ptr = 854 le32_to_cpup((const __le32 *)tlv_data); 855 break; 856 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: 857 if (tlv_len != sizeof(u32)) 858 goto invalid_tlv_len; 859 pieces->init_evtlog_size = 860 le32_to_cpup((const __le32 *)tlv_data); 861 break; 862 case IWL_UCODE_TLV_INIT_ERRLOG_PTR: 863 if (tlv_len != sizeof(u32)) 864 goto invalid_tlv_len; 865 pieces->init_errlog_ptr = 866 le32_to_cpup((const __le32 *)tlv_data); 867 break; 868 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: 869 if (tlv_len != sizeof(u32)) 870 goto invalid_tlv_len; 871 pieces->inst_evtlog_ptr = 872 le32_to_cpup((const __le32 *)tlv_data); 873 break; 874 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: 875 if (tlv_len != sizeof(u32)) 876 goto invalid_tlv_len; 877 pieces->inst_evtlog_size = 878 le32_to_cpup((const __le32 *)tlv_data); 879 break; 880 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: 881 if (tlv_len != sizeof(u32)) 882 goto invalid_tlv_len; 883 pieces->inst_errlog_ptr = 884 le32_to_cpup((const __le32 *)tlv_data); 885 break; 886 case IWL_UCODE_TLV_ENHANCE_SENS_TBL: 887 if (tlv_len) 888 goto invalid_tlv_len; 889 drv->fw.enhance_sensitivity_table = true; 890 break; 891 case IWL_UCODE_TLV_WOWLAN_INST: 892 set_sec_data(pieces, IWL_UCODE_WOWLAN, 893 IWL_UCODE_SECTION_INST, tlv_data); 894 set_sec_size(pieces, IWL_UCODE_WOWLAN, 895 IWL_UCODE_SECTION_INST, tlv_len); 896 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 897 IWL_UCODE_SECTION_INST, 898 IWLAGN_RTC_INST_LOWER_BOUND); 899 break; 900 case IWL_UCODE_TLV_WOWLAN_DATA: 901 set_sec_data(pieces, IWL_UCODE_WOWLAN, 902 IWL_UCODE_SECTION_DATA, tlv_data); 903 set_sec_size(pieces, IWL_UCODE_WOWLAN, 904 IWL_UCODE_SECTION_DATA, tlv_len); 905 set_sec_offset(pieces, IWL_UCODE_WOWLAN, 906 IWL_UCODE_SECTION_DATA, 907 IWLAGN_RTC_DATA_LOWER_BOUND); 908 break; 909 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: 910 if (tlv_len != sizeof(u32)) 911 goto invalid_tlv_len; 912 capa->standard_phy_calibration_size = 913 le32_to_cpup((const __le32 *)tlv_data); 914 break; 915 case IWL_UCODE_TLV_SEC_RT: 916 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 917 tlv_len); 918 drv->fw.type = IWL_FW_MVM; 919 break; 920 case IWL_UCODE_TLV_SEC_INIT: 921 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 922 tlv_len); 923 drv->fw.type = IWL_FW_MVM; 924 break; 925 case IWL_UCODE_TLV_SEC_WOWLAN: 926 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 927 tlv_len); 928 drv->fw.type = IWL_FW_MVM; 929 break; 930 case IWL_UCODE_TLV_DEF_CALIB: 931 if (tlv_len != sizeof(struct iwl_tlv_calib_data)) 932 goto invalid_tlv_len; 933 if (iwl_set_default_calib(drv, tlv_data)) 934 goto tlv_error; 935 break; 936 case IWL_UCODE_TLV_PHY_SKU: 937 if (tlv_len != sizeof(u32)) 938 goto invalid_tlv_len; 939 drv->fw.phy_config = le32_to_cpup((const __le32 *)tlv_data); 940 drv->fw.valid_tx_ant = (drv->fw.phy_config & 941 FW_PHY_CFG_TX_CHAIN) >> 942 FW_PHY_CFG_TX_CHAIN_POS; 943 drv->fw.valid_rx_ant = (drv->fw.phy_config & 944 FW_PHY_CFG_RX_CHAIN) >> 945 FW_PHY_CFG_RX_CHAIN_POS; 946 break; 947 case IWL_UCODE_TLV_SECURE_SEC_RT: 948 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, 949 tlv_len); 950 drv->fw.type = IWL_FW_MVM; 951 break; 952 case IWL_UCODE_TLV_SECURE_SEC_INIT: 953 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, 954 tlv_len); 955 drv->fw.type = IWL_FW_MVM; 956 break; 957 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN: 958 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, 959 tlv_len); 960 drv->fw.type = IWL_FW_MVM; 961 break; 962 case IWL_UCODE_TLV_NUM_OF_CPU: 963 if (tlv_len != sizeof(u32)) 964 goto invalid_tlv_len; 965 num_of_cpus = 966 le32_to_cpup((const __le32 *)tlv_data); 967 968 if (num_of_cpus == 2) { 969 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus = 970 true; 971 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus = 972 true; 973 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus = 974 true; 975 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) { 976 IWL_ERR(drv, "Driver support up to 2 CPUs\n"); 977 return -EINVAL; 978 } 979 break; 980 case IWL_UCODE_TLV_N_SCAN_CHANNELS: 981 if (tlv_len != sizeof(u32)) 982 goto invalid_tlv_len; 983 capa->n_scan_channels = 984 le32_to_cpup((const __le32 *)tlv_data); 985 break; 986 case IWL_UCODE_TLV_FW_VERSION: { 987 const __le32 *ptr = (const void *)tlv_data; 988 u32 major, minor; 989 u8 local_comp; 990 991 if (tlv_len != sizeof(u32) * 3) 992 goto invalid_tlv_len; 993 994 major = le32_to_cpup(ptr++); 995 minor = le32_to_cpup(ptr++); 996 local_comp = le32_to_cpup(ptr); 997 998 if (major >= 35) 999 snprintf(drv->fw.fw_version, 1000 sizeof(drv->fw.fw_version), 1001 "%u.%08x.%u %s", major, minor, 1002 local_comp, iwl_reduced_fw_name(drv)); 1003 else 1004 snprintf(drv->fw.fw_version, 1005 sizeof(drv->fw.fw_version), 1006 "%u.%u.%u %s", major, minor, 1007 local_comp, iwl_reduced_fw_name(drv)); 1008 break; 1009 } 1010 case IWL_UCODE_TLV_FW_DBG_DEST: { 1011 const struct iwl_fw_dbg_dest_tlv *dest = NULL; 1012 const struct iwl_fw_dbg_dest_tlv_v1 *dest_v1 = NULL; 1013 u8 mon_mode; 1014 1015 pieces->dbg_dest_ver = (const u8 *)tlv_data; 1016 if (*pieces->dbg_dest_ver == 1) { 1017 dest = (const void *)tlv_data; 1018 } else if (*pieces->dbg_dest_ver == 0) { 1019 dest_v1 = (const void *)tlv_data; 1020 } else { 1021 IWL_ERR(drv, 1022 "The version is %d, and it is invalid\n", 1023 *pieces->dbg_dest_ver); 1024 break; 1025 } 1026 1027 if (pieces->dbg_dest_tlv_init) { 1028 IWL_ERR(drv, 1029 "dbg destination ignored, already exists\n"); 1030 break; 1031 } 1032 1033 pieces->dbg_dest_tlv_init = true; 1034 1035 if (dest_v1) { 1036 pieces->dbg_dest_tlv_v1 = dest_v1; 1037 mon_mode = dest_v1->monitor_mode; 1038 } else { 1039 pieces->dbg_dest_tlv = dest; 1040 mon_mode = dest->monitor_mode; 1041 } 1042 1043 IWL_INFO(drv, "Found debug destination: %s\n", 1044 get_fw_dbg_mode_string(mon_mode)); 1045 1046 drv->fw.dbg.n_dest_reg = (dest_v1) ? 1047 tlv_len - 1048 offsetof(struct iwl_fw_dbg_dest_tlv_v1, 1049 reg_ops) : 1050 tlv_len - 1051 offsetof(struct iwl_fw_dbg_dest_tlv, 1052 reg_ops); 1053 1054 drv->fw.dbg.n_dest_reg /= 1055 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]); 1056 1057 break; 1058 } 1059 case IWL_UCODE_TLV_FW_DBG_CONF: { 1060 const struct iwl_fw_dbg_conf_tlv *conf = 1061 (const void *)tlv_data; 1062 1063 if (!pieces->dbg_dest_tlv_init) { 1064 IWL_ERR(drv, 1065 "Ignore dbg config %d - no destination configured\n", 1066 conf->id); 1067 break; 1068 } 1069 1070 if (conf->id >= ARRAY_SIZE(drv->fw.dbg.conf_tlv)) { 1071 IWL_ERR(drv, 1072 "Skip unknown configuration: %d\n", 1073 conf->id); 1074 break; 1075 } 1076 1077 if (pieces->dbg_conf_tlv[conf->id]) { 1078 IWL_ERR(drv, 1079 "Ignore duplicate dbg config %d\n", 1080 conf->id); 1081 break; 1082 } 1083 1084 if (conf->usniffer) 1085 usniffer_req = true; 1086 1087 IWL_INFO(drv, "Found debug configuration: %d\n", 1088 conf->id); 1089 1090 pieces->dbg_conf_tlv[conf->id] = conf; 1091 pieces->dbg_conf_tlv_len[conf->id] = tlv_len; 1092 break; 1093 } 1094 case IWL_UCODE_TLV_FW_DBG_TRIGGER: { 1095 const struct iwl_fw_dbg_trigger_tlv *trigger = 1096 (const void *)tlv_data; 1097 u32 trigger_id = le32_to_cpu(trigger->id); 1098 1099 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg.trigger_tlv)) { 1100 IWL_ERR(drv, 1101 "Skip unknown trigger: %u\n", 1102 trigger->id); 1103 break; 1104 } 1105 1106 if (pieces->dbg_trigger_tlv[trigger_id]) { 1107 IWL_ERR(drv, 1108 "Ignore duplicate dbg trigger %u\n", 1109 trigger->id); 1110 break; 1111 } 1112 1113 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id); 1114 1115 pieces->dbg_trigger_tlv[trigger_id] = trigger; 1116 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len; 1117 break; 1118 } 1119 case IWL_UCODE_TLV_FW_DBG_DUMP_LST: { 1120 if (tlv_len != sizeof(u32)) { 1121 IWL_ERR(drv, 1122 "dbg lst mask size incorrect, skip\n"); 1123 break; 1124 } 1125 1126 drv->fw.dbg.dump_mask = 1127 le32_to_cpup((const __le32 *)tlv_data); 1128 break; 1129 } 1130 case IWL_UCODE_TLV_SEC_RT_USNIFFER: 1131 *usniffer_images = true; 1132 iwl_store_ucode_sec(pieces, tlv_data, 1133 IWL_UCODE_REGULAR_USNIFFER, 1134 tlv_len); 1135 break; 1136 case IWL_UCODE_TLV_PAGING: 1137 if (tlv_len != sizeof(u32)) 1138 goto invalid_tlv_len; 1139 paging_mem_size = le32_to_cpup((const __le32 *)tlv_data); 1140 1141 IWL_DEBUG_FW(drv, 1142 "Paging: paging enabled (size = %u bytes)\n", 1143 paging_mem_size); 1144 1145 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) { 1146 IWL_ERR(drv, 1147 "Paging: driver supports up to %lu bytes for paging image\n", 1148 MAX_PAGING_IMAGE_SIZE); 1149 return -EINVAL; 1150 } 1151 1152 if (paging_mem_size & (FW_PAGING_SIZE - 1)) { 1153 IWL_ERR(drv, 1154 "Paging: image isn't multiple %lu\n", 1155 FW_PAGING_SIZE); 1156 return -EINVAL; 1157 } 1158 1159 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size = 1160 paging_mem_size; 1161 usniffer_img = IWL_UCODE_REGULAR_USNIFFER; 1162 drv->fw.img[usniffer_img].paging_mem_size = 1163 paging_mem_size; 1164 break; 1165 case IWL_UCODE_TLV_FW_GSCAN_CAPA: 1166 /* ignored */ 1167 break; 1168 case IWL_UCODE_TLV_FW_MEM_SEG: { 1169 const struct iwl_fw_dbg_mem_seg_tlv *dbg_mem = 1170 (const void *)tlv_data; 1171 size_t size; 1172 struct iwl_fw_dbg_mem_seg_tlv *n; 1173 1174 if (tlv_len != (sizeof(*dbg_mem))) 1175 goto invalid_tlv_len; 1176 1177 IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n", 1178 dbg_mem->data_type); 1179 1180 size = sizeof(*pieces->dbg_mem_tlv) * 1181 (pieces->n_mem_tlv + 1); 1182 n = krealloc(pieces->dbg_mem_tlv, size, GFP_KERNEL); 1183 if (!n) 1184 return -ENOMEM; 1185 pieces->dbg_mem_tlv = n; 1186 pieces->dbg_mem_tlv[pieces->n_mem_tlv] = *dbg_mem; 1187 pieces->n_mem_tlv++; 1188 break; 1189 } 1190 case IWL_UCODE_TLV_IML: { 1191 drv->fw.iml_len = tlv_len; 1192 drv->fw.iml = kmemdup(tlv_data, tlv_len, GFP_KERNEL); 1193 if (!drv->fw.iml) 1194 return -ENOMEM; 1195 break; 1196 } 1197 case IWL_UCODE_TLV_FW_RECOVERY_INFO: { 1198 const struct { 1199 __le32 buf_addr; 1200 __le32 buf_size; 1201 } *recov_info = (const void *)tlv_data; 1202 1203 if (tlv_len != sizeof(*recov_info)) 1204 goto invalid_tlv_len; 1205 capa->error_log_addr = 1206 le32_to_cpu(recov_info->buf_addr); 1207 capa->error_log_size = 1208 le32_to_cpu(recov_info->buf_size); 1209 } 1210 break; 1211 case IWL_UCODE_TLV_FW_FSEQ_VERSION: { 1212 const struct { 1213 u8 version[32]; 1214 u8 sha1[20]; 1215 } *fseq_ver = (const void *)tlv_data; 1216 1217 if (tlv_len != sizeof(*fseq_ver)) 1218 goto invalid_tlv_len; 1219 IWL_INFO(drv, "TLV_FW_FSEQ_VERSION: %s\n", 1220 fseq_ver->version); 1221 } 1222 break; 1223 case IWL_UCODE_TLV_FW_NUM_STATIONS: 1224 if (tlv_len != sizeof(u32)) 1225 goto invalid_tlv_len; 1226 if (le32_to_cpup((const __le32 *)tlv_data) > 1227 IWL_MVM_STATION_COUNT_MAX) { 1228 IWL_ERR(drv, 1229 "%d is an invalid number of station\n", 1230 le32_to_cpup((const __le32 *)tlv_data)); 1231 goto tlv_error; 1232 } 1233 capa->num_stations = 1234 le32_to_cpup((const __le32 *)tlv_data); 1235 break; 1236 case IWL_UCODE_TLV_FW_NUM_BEACONS: 1237 if (tlv_len != sizeof(u32)) 1238 goto invalid_tlv_len; 1239 capa->num_beacons = 1240 le32_to_cpup((const __le32 *)tlv_data); 1241 break; 1242 case IWL_UCODE_TLV_UMAC_DEBUG_ADDRS: { 1243 const struct iwl_umac_debug_addrs *dbg_ptrs = 1244 (const void *)tlv_data; 1245 1246 if (tlv_len != sizeof(*dbg_ptrs)) 1247 goto invalid_tlv_len; 1248 if (drv->trans->trans_cfg->device_family < 1249 IWL_DEVICE_FAMILY_22000) 1250 break; 1251 drv->trans->dbg.umac_error_event_table = 1252 le32_to_cpu(dbg_ptrs->error_info_addr) & 1253 ~FW_ADDR_CACHE_CONTROL; 1254 drv->trans->dbg.error_event_table_tlv_status |= 1255 IWL_ERROR_EVENT_TABLE_UMAC; 1256 break; 1257 } 1258 case IWL_UCODE_TLV_LMAC_DEBUG_ADDRS: { 1259 const struct iwl_lmac_debug_addrs *dbg_ptrs = 1260 (const void *)tlv_data; 1261 1262 if (tlv_len != sizeof(*dbg_ptrs)) 1263 goto invalid_tlv_len; 1264 if (drv->trans->trans_cfg->device_family < 1265 IWL_DEVICE_FAMILY_22000) 1266 break; 1267 drv->trans->dbg.lmac_error_event_table[0] = 1268 le32_to_cpu(dbg_ptrs->error_event_table_ptr) & 1269 ~FW_ADDR_CACHE_CONTROL; 1270 drv->trans->dbg.error_event_table_tlv_status |= 1271 IWL_ERROR_EVENT_TABLE_LMAC1; 1272 break; 1273 } 1274 case IWL_UCODE_TLV_TYPE_REGIONS: 1275 iwl_parse_dbg_tlv_assert_tables(drv, tlv); 1276 fallthrough; 1277 case IWL_UCODE_TLV_TYPE_DEBUG_INFO: 1278 case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION: 1279 case IWL_UCODE_TLV_TYPE_HCMD: 1280 case IWL_UCODE_TLV_TYPE_TRIGGERS: 1281 case IWL_UCODE_TLV_TYPE_CONF_SET: 1282 if (iwlwifi_mod_params.enable_ini) 1283 iwl_dbg_tlv_alloc(drv->trans, tlv, false); 1284 break; 1285 case IWL_UCODE_TLV_CMD_VERSIONS: 1286 if (tlv_len % sizeof(struct iwl_fw_cmd_version)) { 1287 IWL_ERR(drv, 1288 "Invalid length for command versions: %u\n", 1289 tlv_len); 1290 tlv_len /= sizeof(struct iwl_fw_cmd_version); 1291 tlv_len *= sizeof(struct iwl_fw_cmd_version); 1292 } 1293 if (WARN_ON(capa->cmd_versions)) 1294 return -EINVAL; 1295 capa->cmd_versions = kmemdup(tlv_data, tlv_len, 1296 GFP_KERNEL); 1297 if (!capa->cmd_versions) 1298 return -ENOMEM; 1299 capa->n_cmd_versions = 1300 tlv_len / sizeof(struct iwl_fw_cmd_version); 1301 break; 1302 case IWL_UCODE_TLV_PHY_INTEGRATION_VERSION: 1303 if (drv->fw.phy_integration_ver) { 1304 IWL_ERR(drv, 1305 "phy integration str ignored, already exists\n"); 1306 break; 1307 } 1308 1309 drv->fw.phy_integration_ver = 1310 kmemdup(tlv_data, tlv_len, GFP_KERNEL); 1311 if (!drv->fw.phy_integration_ver) 1312 return -ENOMEM; 1313 drv->fw.phy_integration_ver_len = tlv_len; 1314 break; 1315 case IWL_UCODE_TLV_SEC_TABLE_ADDR: 1316 case IWL_UCODE_TLV_D3_KEK_KCK_ADDR: 1317 iwl_drv_set_dump_exclude(drv, tlv_type, 1318 tlv_data, tlv_len); 1319 break; 1320 case IWL_UCODE_TLV_CURRENT_PC: 1321 if (tlv_len < sizeof(struct iwl_pc_data)) 1322 goto invalid_tlv_len; 1323 drv->trans->dbg.num_pc = 1324 tlv_len / sizeof(struct iwl_pc_data); 1325 drv->trans->dbg.pc_data = 1326 kmemdup(tlv_data, tlv_len, GFP_KERNEL); 1327 break; 1328 default: 1329 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); 1330 break; 1331 } 1332 } 1333 1334 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) && 1335 usniffer_req && !*usniffer_images) { 1336 IWL_ERR(drv, 1337 "user selected to work with usniffer but usniffer image isn't available in ucode package\n"); 1338 return -EINVAL; 1339 } 1340 1341 if (len) { 1342 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); 1343#if defined(__linux__) 1344 iwl_print_hex_dump(drv, IWL_DL_FW, data, len); 1345#elif defined(__FreeBSD__) 1346#ifdef CONFIG_IWLWIFI_DEBUGFS 1347 iwl_print_hex_dump(drv, IWL_DL_FW, "TLV ", data, len); 1348#endif 1349#endif 1350 return -EINVAL; 1351 } 1352 1353 return 0; 1354 1355 invalid_tlv_len: 1356 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); 1357 tlv_error: 1358#if defined(__linux__) 1359 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); 1360#elif defined(__FreeBSD__) 1361#ifdef CONFIG_IWLWIFI_DEBUGFS 1362 iwl_print_hex_dump(drv, IWL_DL_FW, "TLV ", tlv_data, tlv_len); 1363#endif 1364#endif 1365 1366 return -EINVAL; 1367} 1368 1369static int iwl_alloc_ucode(struct iwl_drv *drv, 1370 struct iwl_firmware_pieces *pieces, 1371 enum iwl_ucode_type type) 1372{ 1373 int i; 1374 struct fw_desc *sec; 1375 1376 sec = kcalloc(pieces->img[type].sec_counter, sizeof(*sec), GFP_KERNEL); 1377 if (!sec) 1378 return -ENOMEM; 1379 drv->fw.img[type].sec = sec; 1380 drv->fw.img[type].num_sec = pieces->img[type].sec_counter; 1381 1382 for (i = 0; i < pieces->img[type].sec_counter; i++) 1383 if (iwl_alloc_fw_desc(drv, &sec[i], get_sec(pieces, type, i))) 1384 return -ENOMEM; 1385 1386 return 0; 1387} 1388 1389static int validate_sec_sizes(struct iwl_drv *drv, 1390 struct iwl_firmware_pieces *pieces, 1391 const struct iwl_cfg *cfg) 1392{ 1393 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %zd\n", 1394 get_sec_size(pieces, IWL_UCODE_REGULAR, 1395 IWL_UCODE_SECTION_INST)); 1396 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %zd\n", 1397 get_sec_size(pieces, IWL_UCODE_REGULAR, 1398 IWL_UCODE_SECTION_DATA)); 1399 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %zd\n", 1400 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); 1401 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %zd\n", 1402 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); 1403 1404 /* Verify that uCode images will fit in card's SRAM. */ 1405 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > 1406 cfg->max_inst_size) { 1407 IWL_ERR(drv, "uCode instr len %zd too large to fit in\n", 1408 get_sec_size(pieces, IWL_UCODE_REGULAR, 1409 IWL_UCODE_SECTION_INST)); 1410 return -1; 1411 } 1412 1413 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > 1414 cfg->max_data_size) { 1415 IWL_ERR(drv, "uCode data len %zd too large to fit in\n", 1416 get_sec_size(pieces, IWL_UCODE_REGULAR, 1417 IWL_UCODE_SECTION_DATA)); 1418 return -1; 1419 } 1420 1421 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > 1422 cfg->max_inst_size) { 1423 IWL_ERR(drv, "uCode init instr len %zd too large to fit in\n", 1424 get_sec_size(pieces, IWL_UCODE_INIT, 1425 IWL_UCODE_SECTION_INST)); 1426 return -1; 1427 } 1428 1429 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > 1430 cfg->max_data_size) { 1431 IWL_ERR(drv, "uCode init data len %zd too large to fit in\n", 1432 get_sec_size(pieces, IWL_UCODE_REGULAR, 1433 IWL_UCODE_SECTION_DATA)); 1434 return -1; 1435 } 1436 return 0; 1437} 1438 1439static struct iwl_op_mode * 1440_iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op) 1441{ 1442 const struct iwl_op_mode_ops *ops = op->ops; 1443 struct dentry *dbgfs_dir = NULL; 1444 struct iwl_op_mode *op_mode = NULL; 1445 int retry, max_retry = !!iwlwifi_mod_params.fw_restart * IWL_MAX_INIT_RETRY; 1446 1447 for (retry = 0; retry <= max_retry; retry++) { 1448 1449#ifdef CONFIG_IWLWIFI_DEBUGFS 1450 drv->dbgfs_op_mode = debugfs_create_dir(op->name, 1451 drv->dbgfs_drv); 1452 dbgfs_dir = drv->dbgfs_op_mode; 1453#endif 1454 1455 op_mode = ops->start(drv->trans, drv->trans->cfg, 1456 &drv->fw, dbgfs_dir); 1457 1458 if (op_mode) 1459 return op_mode; 1460 1461 IWL_ERR(drv, "retry init count %d\n", retry); 1462 1463#ifdef CONFIG_IWLWIFI_DEBUGFS 1464 debugfs_remove_recursive(drv->dbgfs_op_mode); 1465 drv->dbgfs_op_mode = NULL; 1466#endif 1467 } 1468 1469 return NULL; 1470} 1471 1472static void _iwl_op_mode_stop(struct iwl_drv *drv) 1473{ 1474 /* op_mode can be NULL if its start failed */ 1475 if (drv->op_mode) { 1476 iwl_op_mode_stop(drv->op_mode); 1477 drv->op_mode = NULL; 1478 1479#ifdef CONFIG_IWLWIFI_DEBUGFS 1480 debugfs_remove_recursive(drv->dbgfs_op_mode); 1481 drv->dbgfs_op_mode = NULL; 1482#endif 1483 } 1484} 1485 1486/* 1487 * iwl_req_fw_callback - callback when firmware was loaded 1488 * 1489 * If loaded successfully, copies the firmware into buffers 1490 * for the card to fetch (via DMA). 1491 */ 1492static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) 1493{ 1494 struct iwl_drv *drv = context; 1495 struct iwl_fw *fw = &drv->fw; 1496 const struct iwl_ucode_header *ucode; 1497 struct iwlwifi_opmode_table *op; 1498 int err; 1499 struct iwl_firmware_pieces *pieces; 1500 const unsigned int api_max = drv->trans->cfg->ucode_api_max; 1501 const unsigned int api_min = drv->trans->cfg->ucode_api_min; 1502 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX]; 1503 u32 api_ver; 1504 int i; 1505 bool load_module = false; 1506 bool usniffer_images = false; 1507 bool failure = true; 1508 1509 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH; 1510 fw->ucode_capa.standard_phy_calibration_size = 1511 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1512 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS; 1513 fw->ucode_capa.num_stations = IWL_MVM_STATION_COUNT_MAX; 1514 fw->ucode_capa.num_beacons = 1; 1515 /* dump all fw memory areas by default */ 1516 fw->dbg.dump_mask = 0xffffffff; 1517 1518 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL); 1519 if (!pieces) 1520 goto out_free_fw; 1521 1522 if (!ucode_raw) 1523 goto try_again; 1524 1525 IWL_DEBUG_FW_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n", 1526 drv->firmware_name, ucode_raw->size); 1527 1528 /* Make sure that we got at least the API version number */ 1529 if (ucode_raw->size < 4) { 1530 IWL_ERR(drv, "File size way too small!\n"); 1531 goto try_again; 1532 } 1533 1534 /* Data from ucode file: header followed by uCode images */ 1535 ucode = (const struct iwl_ucode_header *)ucode_raw->data; 1536 1537 if (ucode->ver) 1538 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces); 1539 else 1540 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces, 1541 &fw->ucode_capa, &usniffer_images); 1542 1543 if (err) 1544 goto try_again; 1545 1546 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION)) 1547 api_ver = drv->fw.ucode_ver; 1548 else 1549 api_ver = IWL_UCODE_API(drv->fw.ucode_ver); 1550 1551 /* 1552 * api_ver should match the api version forming part of the 1553 * firmware filename ... but we don't check for that and only rely 1554 * on the API version read from firmware header from here on forward 1555 */ 1556 if (api_ver < api_min || api_ver > api_max) { 1557 IWL_ERR(drv, 1558 "Driver unable to support your firmware API. " 1559 "Driver supports v%u, firmware is v%u.\n", 1560 api_max, api_ver); 1561 goto try_again; 1562 } 1563 1564 /* 1565 * In mvm uCode there is no difference between data and instructions 1566 * sections. 1567 */ 1568 if (fw->type == IWL_FW_DVM && validate_sec_sizes(drv, pieces, 1569 drv->trans->cfg)) 1570 goto try_again; 1571 1572 /* Allocate ucode buffers for card's bus-master loading ... */ 1573 1574 /* Runtime instructions and 2 copies of data: 1575 * 1) unmodified from disk 1576 * 2) backup cache for save/restore during power-downs 1577 */ 1578 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) 1579 if (iwl_alloc_ucode(drv, pieces, i)) 1580 goto out_free_fw; 1581 1582 if (pieces->dbg_dest_tlv_init) { 1583 size_t dbg_dest_size = sizeof(*drv->fw.dbg.dest_tlv) + 1584 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * 1585 drv->fw.dbg.n_dest_reg; 1586 1587 drv->fw.dbg.dest_tlv = kmalloc(dbg_dest_size, GFP_KERNEL); 1588 1589 if (!drv->fw.dbg.dest_tlv) 1590 goto out_free_fw; 1591 1592 if (*pieces->dbg_dest_ver == 0) { 1593 memcpy(drv->fw.dbg.dest_tlv, pieces->dbg_dest_tlv_v1, 1594 dbg_dest_size); 1595 } else { 1596 struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv = 1597 drv->fw.dbg.dest_tlv; 1598 1599 dest_tlv->version = pieces->dbg_dest_tlv->version; 1600 dest_tlv->monitor_mode = 1601 pieces->dbg_dest_tlv->monitor_mode; 1602 dest_tlv->size_power = 1603 pieces->dbg_dest_tlv->size_power; 1604 dest_tlv->wrap_count = 1605 pieces->dbg_dest_tlv->wrap_count; 1606 dest_tlv->write_ptr_reg = 1607 pieces->dbg_dest_tlv->write_ptr_reg; 1608 dest_tlv->base_shift = 1609 pieces->dbg_dest_tlv->base_shift; 1610 memcpy(dest_tlv->reg_ops, 1611 pieces->dbg_dest_tlv->reg_ops, 1612 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * 1613 drv->fw.dbg.n_dest_reg); 1614 1615 /* In version 1 of the destination tlv, which is 1616 * relevant for internal buffer exclusively, 1617 * the base address is part of given with the length 1618 * of the buffer, and the size shift is give instead of 1619 * end shift. We now store these values in base_reg, 1620 * and end shift, and when dumping the data we'll 1621 * manipulate it for extracting both the length and 1622 * base address */ 1623 dest_tlv->base_reg = pieces->dbg_dest_tlv->cfg_reg; 1624 dest_tlv->end_shift = 1625 pieces->dbg_dest_tlv->size_shift; 1626 } 1627 } 1628 1629 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) { 1630 if (pieces->dbg_conf_tlv[i]) { 1631 drv->fw.dbg.conf_tlv[i] = 1632 kmemdup(pieces->dbg_conf_tlv[i], 1633 pieces->dbg_conf_tlv_len[i], 1634 GFP_KERNEL); 1635 if (!drv->fw.dbg.conf_tlv[i]) 1636 goto out_free_fw; 1637 } 1638 } 1639 1640 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz)); 1641 1642 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] = 1643 sizeof(struct iwl_fw_dbg_trigger_missed_bcon); 1644 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0; 1645 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] = 1646 sizeof(struct iwl_fw_dbg_trigger_cmd); 1647 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] = 1648 sizeof(struct iwl_fw_dbg_trigger_mlme); 1649 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] = 1650 sizeof(struct iwl_fw_dbg_trigger_stats); 1651 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] = 1652 sizeof(struct iwl_fw_dbg_trigger_low_rssi); 1653 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] = 1654 sizeof(struct iwl_fw_dbg_trigger_txq_timer); 1655 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] = 1656 sizeof(struct iwl_fw_dbg_trigger_time_event); 1657 trigger_tlv_sz[FW_DBG_TRIGGER_BA] = 1658 sizeof(struct iwl_fw_dbg_trigger_ba); 1659 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] = 1660 sizeof(struct iwl_fw_dbg_trigger_tdls); 1661 1662 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) { 1663 if (pieces->dbg_trigger_tlv[i]) { 1664 /* 1665 * If the trigger isn't long enough, WARN and exit. 1666 * Someone is trying to debug something and he won't 1667 * be able to catch the bug he is trying to chase. 1668 * We'd better be noisy to be sure he knows what's 1669 * going on. 1670 */ 1671 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] < 1672 (trigger_tlv_sz[i] + 1673 sizeof(struct iwl_fw_dbg_trigger_tlv)))) 1674 goto out_free_fw; 1675 drv->fw.dbg.trigger_tlv_len[i] = 1676 pieces->dbg_trigger_tlv_len[i]; 1677 drv->fw.dbg.trigger_tlv[i] = 1678 kmemdup(pieces->dbg_trigger_tlv[i], 1679 drv->fw.dbg.trigger_tlv_len[i], 1680 GFP_KERNEL); 1681 if (!drv->fw.dbg.trigger_tlv[i]) 1682 goto out_free_fw; 1683 } 1684 } 1685 1686 /* Now that we can no longer fail, copy information */ 1687 1688 drv->fw.dbg.mem_tlv = pieces->dbg_mem_tlv; 1689 pieces->dbg_mem_tlv = NULL; 1690 drv->fw.dbg.n_mem_tlv = pieces->n_mem_tlv; 1691 1692 /* 1693 * The (size - 16) / 12 formula is based on the information recorded 1694 * for each event, which is of mode 1 (including timestamp) for all 1695 * new microcodes that include this information. 1696 */ 1697 fw->init_evtlog_ptr = pieces->init_evtlog_ptr; 1698 if (pieces->init_evtlog_size) 1699 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12; 1700 else 1701 fw->init_evtlog_size = 1702 drv->trans->trans_cfg->base_params->max_event_log_size; 1703 fw->init_errlog_ptr = pieces->init_errlog_ptr; 1704 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr; 1705 if (pieces->inst_evtlog_size) 1706 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12; 1707 else 1708 fw->inst_evtlog_size = 1709 drv->trans->trans_cfg->base_params->max_event_log_size; 1710 fw->inst_errlog_ptr = pieces->inst_errlog_ptr; 1711 1712 /* 1713 * figure out the offset of chain noise reset and gain commands 1714 * base on the size of standard phy calibration commands table size 1715 */ 1716 if (fw->ucode_capa.standard_phy_calibration_size > 1717 IWL_MAX_PHY_CALIBRATE_TBL_SIZE) 1718 fw->ucode_capa.standard_phy_calibration_size = 1719 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; 1720 1721 /* We have our copies now, allow OS release its copies */ 1722 release_firmware(ucode_raw); 1723 1724 iwl_dbg_tlv_load_bin(drv->trans->dev, drv->trans); 1725 1726 mutex_lock(&iwlwifi_opmode_table_mtx); 1727 switch (fw->type) { 1728 case IWL_FW_DVM: 1729 op = &iwlwifi_opmode_table[DVM_OP_MODE]; 1730 break; 1731 default: 1732 WARN(1, "Invalid fw type %d\n", fw->type); 1733 fallthrough; 1734 case IWL_FW_MVM: 1735 op = &iwlwifi_opmode_table[MVM_OP_MODE]; 1736 break; 1737 } 1738 1739 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n", 1740 drv->fw.fw_version, op->name); 1741 1742 /* add this device to the list of devices using this op_mode */ 1743 list_add_tail(&drv->list, &op->drv); 1744 1745 if (op->ops) { 1746 drv->op_mode = _iwl_op_mode_start(drv, op); 1747 1748 if (!drv->op_mode) { 1749 mutex_unlock(&iwlwifi_opmode_table_mtx); 1750 goto out_unbind; 1751 } 1752 } else { 1753 load_module = true; 1754 } 1755 mutex_unlock(&iwlwifi_opmode_table_mtx); 1756 1757 /* 1758 * Complete the firmware request last so that 1759 * a driver unbind (stop) doesn't run while we 1760 * are doing the start() above. 1761 */ 1762 complete(&drv->request_firmware_complete); 1763 1764 /* 1765 * Load the module last so we don't block anything 1766 * else from proceeding if the module fails to load 1767 * or hangs loading. 1768 */ 1769 if (load_module) 1770 request_module("%s", op->name); 1771 failure = false; 1772 goto free; 1773 1774 try_again: 1775 /* try next, if any */ 1776 release_firmware(ucode_raw); 1777 if (iwl_request_firmware(drv, false)) 1778 goto out_unbind; 1779 goto free; 1780 1781 out_free_fw: 1782 release_firmware(ucode_raw); 1783 out_unbind: 1784 complete(&drv->request_firmware_complete); 1785 device_release_driver(drv->trans->dev); 1786 /* drv has just been freed by the release */ 1787 failure = false; 1788 free: 1789 if (failure) 1790 iwl_dealloc_ucode(drv); 1791 1792 if (pieces) { 1793 for (i = 0; i < ARRAY_SIZE(pieces->img); i++) 1794 kfree(pieces->img[i].sec); 1795 kfree(pieces->dbg_mem_tlv); 1796 kfree(pieces); 1797 } 1798} 1799 1800struct iwl_drv *iwl_drv_start(struct iwl_trans *trans) 1801{ 1802 struct iwl_drv *drv; 1803 int ret; 1804 1805 drv = kzalloc(sizeof(*drv), GFP_KERNEL); 1806 if (!drv) { 1807 ret = -ENOMEM; 1808 goto err; 1809 } 1810 1811 drv->trans = trans; 1812 drv->dev = trans->dev; 1813 1814 init_completion(&drv->request_firmware_complete); 1815#if defined(__FreeBSD__) 1816 init_completion(&drv->drv_start_complete); 1817#endif 1818 INIT_LIST_HEAD(&drv->list); 1819 1820#ifdef CONFIG_IWLWIFI_DEBUGFS 1821 /* Create the device debugfs entries. */ 1822 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev), 1823 iwl_dbgfs_root); 1824 1825 /* Create transport layer debugfs dir */ 1826 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv); 1827#endif 1828 1829 drv->trans->dbg.domains_bitmap = IWL_TRANS_FW_DBG_DOMAIN(drv->trans); 1830 1831 ret = iwl_request_firmware(drv, true); 1832 if (ret) { 1833 IWL_ERR(trans, "Couldn't request the fw\n"); 1834 goto err_fw; 1835 } 1836 1837#if defined(__FreeBSD__) 1838 /* 1839 * Wait until initilization is done before returning in order to 1840 * replicate FreeBSD's synchronous behaviour -- we cannot create 1841 * a vap before the com is fully created but if LinuxKPI "probe" 1842 * returned before it was all done that is what could happen. 1843 */ 1844 wait_for_completion(&drv->request_firmware_complete); 1845 complete(&drv->drv_start_complete); 1846#endif 1847 1848 return drv; 1849 1850err_fw: 1851#ifdef CONFIG_IWLWIFI_DEBUGFS 1852 debugfs_remove_recursive(drv->dbgfs_drv); 1853 iwl_dbg_tlv_free(drv->trans); 1854#endif 1855 kfree(drv); 1856err: 1857 return ERR_PTR(ret); 1858} 1859 1860void iwl_drv_stop(struct iwl_drv *drv) 1861{ 1862#if defined(__linux__) 1863 wait_for_completion(&drv->request_firmware_complete); 1864#elif defined(__FreeBSD__) 1865 wait_for_completion(&drv->drv_start_complete); 1866#endif 1867 1868 _iwl_op_mode_stop(drv); 1869 1870 iwl_dealloc_ucode(drv); 1871 1872 mutex_lock(&iwlwifi_opmode_table_mtx); 1873 /* 1874 * List is empty (this item wasn't added) 1875 * when firmware loading failed -- in that 1876 * case we can't remove it from any list. 1877 */ 1878 if (!list_empty(&drv->list)) 1879 list_del(&drv->list); 1880 mutex_unlock(&iwlwifi_opmode_table_mtx); 1881 1882#ifdef CONFIG_IWLWIFI_DEBUGFS 1883 drv->trans->ops->debugfs_cleanup(drv->trans); 1884 1885 debugfs_remove_recursive(drv->dbgfs_drv); 1886#endif 1887 1888 iwl_dbg_tlv_free(drv->trans); 1889 1890 kfree(drv); 1891} 1892 1893#define ENABLE_INI (IWL_DBG_TLV_MAX_PRESET + 1) 1894 1895/* shared module parameters */ 1896struct iwl_mod_params iwlwifi_mod_params = { 1897 .fw_restart = true, 1898 .bt_coex_active = true, 1899 .power_level = IWL_POWER_INDEX_1, 1900 .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT, 1901 .enable_ini = ENABLE_INI, 1902#if defined(__FreeBSD__) 1903 .disable_11n = 1, 1904 .disable_11ac = true, 1905 .disable_11ax = true, 1906 .disable_11be = true, 1907#endif 1908 /* the rest are 0 by default */ 1909}; 1910IWL_EXPORT_SYMBOL(iwlwifi_mod_params); 1911 1912int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops) 1913{ 1914 int i; 1915 struct iwl_drv *drv; 1916 struct iwlwifi_opmode_table *op; 1917 1918 mutex_lock(&iwlwifi_opmode_table_mtx); 1919 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1920 op = &iwlwifi_opmode_table[i]; 1921 if (strcmp(op->name, name)) 1922 continue; 1923 op->ops = ops; 1924 /* TODO: need to handle exceptional case */ 1925 list_for_each_entry(drv, &op->drv, list) 1926 drv->op_mode = _iwl_op_mode_start(drv, op); 1927 1928 mutex_unlock(&iwlwifi_opmode_table_mtx); 1929 return 0; 1930 } 1931 mutex_unlock(&iwlwifi_opmode_table_mtx); 1932 return -EIO; 1933} 1934IWL_EXPORT_SYMBOL(iwl_opmode_register); 1935 1936void iwl_opmode_deregister(const char *name) 1937{ 1938 int i; 1939 struct iwl_drv *drv; 1940 1941 mutex_lock(&iwlwifi_opmode_table_mtx); 1942 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { 1943 if (strcmp(iwlwifi_opmode_table[i].name, name)) 1944 continue; 1945 iwlwifi_opmode_table[i].ops = NULL; 1946 1947 /* call the stop routine for all devices */ 1948 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list) 1949 _iwl_op_mode_stop(drv); 1950 1951 mutex_unlock(&iwlwifi_opmode_table_mtx); 1952 return; 1953 } 1954 mutex_unlock(&iwlwifi_opmode_table_mtx); 1955} 1956IWL_EXPORT_SYMBOL(iwl_opmode_deregister); 1957 1958static int __init iwl_drv_init(void) 1959{ 1960 int i, err; 1961 1962 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) 1963 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv); 1964 1965 pr_info(DRV_DESCRIPTION "\n"); 1966 1967#ifdef CONFIG_IWLWIFI_DEBUGFS 1968 /* Create the root of iwlwifi debugfs subsystem. */ 1969 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL); 1970#endif 1971 1972 err = iwl_pci_register_driver(); 1973 if (err) 1974 goto cleanup_debugfs; 1975 1976 return 0; 1977 1978cleanup_debugfs: 1979#ifdef CONFIG_IWLWIFI_DEBUGFS 1980 debugfs_remove_recursive(iwl_dbgfs_root); 1981#endif 1982 return err; 1983} 1984module_init(iwl_drv_init); 1985 1986static void __exit iwl_drv_exit(void) 1987{ 1988 iwl_pci_unregister_driver(); 1989 1990#ifdef CONFIG_IWLWIFI_DEBUGFS 1991 debugfs_remove_recursive(iwl_dbgfs_root); 1992#endif 1993} 1994module_exit(iwl_drv_exit); 1995 1996#ifdef CONFIG_IWLWIFI_DEBUG 1997module_param_named(debug, iwlwifi_mod_params.debug_level, uint, 0644); 1998MODULE_PARM_DESC(debug, "debug output mask"); 1999#endif 2000 2001module_param_named(swcrypto, iwlwifi_mod_params.swcrypto, int, 0444); 2002MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); 2003module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, 0444); 2004MODULE_PARM_DESC(11n_disable, 2005 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX"); 2006module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, int, 0444); 2007MODULE_PARM_DESC(amsdu_size, 2008 "amsdu size 0: 12K for multi Rx queue devices, 2K for AX210 devices, " 2009 "4K for other devices 1:4K 2:8K 3:12K (16K buffers) 4: 2K (default 0)"); 2010module_param_named(fw_restart, iwlwifi_mod_params.fw_restart, bool, 0444); 2011MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)"); 2012 2013module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, 0444); 2014MODULE_PARM_DESC(nvm_file, "NVM file name"); 2015 2016module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, uint, 0644); 2017MODULE_PARM_DESC(uapsd_disable, 2018 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)"); 2019 2020#if defined(__linux__) 2021static int enable_ini_set(const char *arg, const struct kernel_param *kp) 2022{ 2023 int ret = 0; 2024 bool res; 2025 __u32 new_enable_ini; 2026 2027 /* in case the argument type is a number */ 2028 ret = kstrtou32(arg, 0, &new_enable_ini); 2029 if (!ret) { 2030 if (new_enable_ini > ENABLE_INI) { 2031 pr_err("enable_ini cannot be %d, in range 0-16\n", new_enable_ini); 2032 return -EINVAL; 2033 } 2034 goto out; 2035 } 2036 2037 /* in case the argument type is boolean */ 2038 ret = kstrtobool(arg, &res); 2039 if (ret) 2040 return ret; 2041 new_enable_ini = (res ? ENABLE_INI : 0); 2042 2043out: 2044 iwlwifi_mod_params.enable_ini = new_enable_ini; 2045 return 0; 2046} 2047 2048static const struct kernel_param_ops enable_ini_ops = { 2049 .set = enable_ini_set 2050}; 2051 2052module_param_cb(enable_ini, &enable_ini_ops, &iwlwifi_mod_params.enable_ini, 0644); 2053MODULE_PARM_DESC(enable_ini, 2054 "0:disable, 1-15:FW_DBG_PRESET Values, 16:enabled without preset value defined," 2055 "Debug INI TLV FW debug infrastructure (default: 16)"); 2056#endif 2057 2058/* 2059 * set bt_coex_active to true, uCode will do kill/defer 2060 * every time the priority line is asserted (BT is sending signals on the 2061 * priority line in the PCIx). 2062 * set bt_coex_active to false, uCode will ignore the BT activity and 2063 * perform the normal operation 2064 * 2065 * User might experience transmit issue on some platform due to WiFi/BT 2066 * co-exist problem. The possible behaviors are: 2067 * Able to scan and finding all the available AP 2068 * Not able to associate with any AP 2069 * On those platforms, WiFi communication can be restored by set 2070 * "bt_coex_active" module parameter to "false" 2071 * 2072 * default: bt_coex_active = true (BT_COEX_ENABLE) 2073 */ 2074module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active, 2075 bool, 0444); 2076MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); 2077 2078module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, 0444); 2079MODULE_PARM_DESC(led_mode, "0=system default, " 2080 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); 2081 2082module_param_named(power_save, iwlwifi_mod_params.power_save, bool, 0444); 2083MODULE_PARM_DESC(power_save, 2084 "enable WiFi power management (default: disable)"); 2085 2086module_param_named(power_level, iwlwifi_mod_params.power_level, int, 0444); 2087MODULE_PARM_DESC(power_level, 2088 "default power save level (range from 1 - 5, default: 1)"); 2089 2090module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, 0444); 2091MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)"); 2092 2093module_param_named(remove_when_gone, 2094 iwlwifi_mod_params.remove_when_gone, bool, 2095 0444); 2096MODULE_PARM_DESC(remove_when_gone, 2097 "Remove dev from PCIe bus if it is deemed inaccessible (default: false)"); 2098 2099module_param_named(disable_11ax, iwlwifi_mod_params.disable_11ax, bool, 2100 S_IRUGO); 2101MODULE_PARM_DESC(disable_11ax, "Disable HE capabilities (default: false)"); 2102 2103module_param_named(disable_11be, iwlwifi_mod_params.disable_11be, bool, 0444); 2104MODULE_PARM_DESC(disable_11be, "Disable EHT capabilities (default: false)"); 2105