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1// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause2/*3 * Copyright (C) 2005-2014, 2018-2024 Intel Corporation4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH5 * Copyright (C) 2016-2017 Intel Deutschland GmbH6 */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 plate29 *30 ******************************************************************************/31 32#define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux"33MODULE_DESCRIPTION(DRV_DESCRIPTION);34MODULE_LICENSE("GPL");35 36#ifdef CONFIG_IWLWIFI_DEBUGFS37static struct dentry *iwl_dbgfs_root;38#endif39 40/**41 * struct iwl_drv - drv common data42 * @list: list of drv structures using this opmode43 * @fw: the iwl_fw structure44 * @op_mode: the running op_mode45 * @trans: transport layer46 * @dev: for debug prints only47 * @fw_index: firmware revision to try loading48 * @firmware_name: composite filename of ucode file to load49 * @request_firmware_complete: the firmware has been obtained from user space50 * @dbgfs_drv: debugfs root directory entry51 * @dbgfs_trans: debugfs transport directory entry52 * @dbgfs_op_mode: debugfs op_mode directory entry53 */54struct iwl_drv {55 struct list_head list;56 struct iwl_fw fw;57 58 struct iwl_op_mode *op_mode;59 struct iwl_trans *trans;60 struct device *dev;61 62 int fw_index; /* firmware we're trying to load */63 char firmware_name[64]; /* name of firmware file to load */64 65 struct completion request_firmware_complete;66 67#ifdef CONFIG_IWLWIFI_DEBUGFS68 struct dentry *dbgfs_drv;69 struct dentry *dbgfs_trans;70 struct dentry *dbgfs_op_mode;71#endif72};73 74enum {75 DVM_OP_MODE,76 MVM_OP_MODE,77};78 79/* Protects the table contents, i.e. the ops pointer & drv list */80static DEFINE_MUTEX(iwlwifi_opmode_table_mtx);81static struct iwlwifi_opmode_table {82 const char *name; /* name: iwldvm, iwlmvm, etc */83 const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */84 struct list_head drv; /* list of devices using this op_mode */85} iwlwifi_opmode_table[] = { /* ops set when driver is initialized */86 [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL },87 [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL },88};89 90#define IWL_DEFAULT_SCAN_CHANNELS 4091 92/*93 * struct fw_sec: Just for the image parsing process.94 * For the fw storage we are using struct fw_desc.95 */96struct fw_sec {97 const void *data; /* the sec data */98 size_t size; /* section size */99 u32 offset; /* offset of writing in the device */100};101 102static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc)103{104 vfree(desc->data);105 desc->data = NULL;106 desc->len = 0;107}108 109static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img)110{111 int i;112 for (i = 0; i < img->num_sec; i++)113 iwl_free_fw_desc(drv, &img->sec[i]);114 kfree(img->sec);115}116 117static void iwl_dealloc_ucode(struct iwl_drv *drv)118{119 int i;120 121 kfree(drv->fw.dbg.dest_tlv);122 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++)123 kfree(drv->fw.dbg.conf_tlv[i]);124 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++)125 kfree(drv->fw.dbg.trigger_tlv[i]);126 kfree(drv->fw.dbg.mem_tlv);127 kfree(drv->fw.iml);128 kfree(drv->fw.ucode_capa.cmd_versions);129 kfree(drv->fw.phy_integration_ver);130 kfree(drv->trans->dbg.pc_data);131 drv->trans->dbg.pc_data = NULL;132 133 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)134 iwl_free_fw_img(drv, drv->fw.img + i);135 136 /* clear the data for the aborted load case */137 memset(&drv->fw, 0, sizeof(drv->fw));138}139 140static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc,141 struct fw_sec *sec)142{143 void *data;144 145 desc->data = NULL;146 147 if (!sec || !sec->size)148 return -EINVAL;149 150 data = vmalloc(sec->size);151 if (!data)152 return -ENOMEM;153 154 desc->len = sec->size;155 desc->offset = sec->offset;156 memcpy(data, sec->data, desc->len);157 desc->data = data;158 159 return 0;160}161 162static inline char iwl_drv_get_step(int step)163{164 if (step == SILICON_Z_STEP)165 return 'z';166 if (step == SILICON_TC_STEP)167 return 'a';168 return 'a' + step;169}170 171const char *iwl_drv_get_fwname_pre(struct iwl_trans *trans, char *buf)172{173 char mac_step, rf_step;174 const char *rf, *cdb;175 176 if (trans->cfg->fw_name_pre)177 return trans->cfg->fw_name_pre;178 179 if (WARN_ON(!trans->cfg->fw_name_mac))180 return "unconfigured";181 182 mac_step = iwl_drv_get_step(trans->hw_rev_step);183 184 rf_step = iwl_drv_get_step(CSR_HW_RFID_STEP(trans->hw_rf_id));185 186 switch (CSR_HW_RFID_TYPE(trans->hw_rf_id)) {187 case IWL_CFG_RF_TYPE_HR1:188 case IWL_CFG_RF_TYPE_HR2:189 rf = "hr";190 rf_step = 'b';191 break;192 case IWL_CFG_RF_TYPE_GF:193 rf = "gf";194 break;195 case IWL_CFG_RF_TYPE_FM:196 rf = "fm";197 break;198 case IWL_CFG_RF_TYPE_WH:199 if (SILICON_Z_STEP ==200 CSR_HW_RFID_STEP(trans->hw_rf_id)) {201 rf = "whtc";202 rf_step = 'a';203 } else {204 rf = "wh";205 }206 break;207 default:208 return "unknown-rf";209 }210 211 cdb = CSR_HW_RFID_IS_CDB(trans->hw_rf_id) ? "4" : "";212 213 scnprintf(buf, FW_NAME_PRE_BUFSIZE,214 "iwlwifi-%s-%c0-%s%s-%c0",215 trans->cfg->fw_name_mac, mac_step,216 rf, cdb, rf_step);217 218 return buf;219}220IWL_EXPORT_SYMBOL(iwl_drv_get_fwname_pre);221 222static void iwl_req_fw_callback(const struct firmware *ucode_raw,223 void *context);224 225static int iwl_request_firmware(struct iwl_drv *drv, bool first)226{227 const struct iwl_cfg *cfg = drv->trans->cfg;228 char _fw_name_pre[FW_NAME_PRE_BUFSIZE];229 const char *fw_name_pre;230 231 if (drv->trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_9000 &&232 (drv->trans->hw_rev_step != SILICON_B_STEP &&233 drv->trans->hw_rev_step != SILICON_C_STEP)) {234 IWL_ERR(drv,235 "Only HW steps B and C are currently supported (0x%0x)\n",236 drv->trans->hw_rev);237 return -EINVAL;238 }239 240 fw_name_pre = iwl_drv_get_fwname_pre(drv->trans, _fw_name_pre);241 242 if (first)243 drv->fw_index = cfg->ucode_api_max;244 else245 drv->fw_index--;246 247 if (drv->fw_index < cfg->ucode_api_min) {248 IWL_ERR(drv, "no suitable firmware found!\n");249 250 if (cfg->ucode_api_min == cfg->ucode_api_max) {251 IWL_ERR(drv, "%s-%d is required\n", fw_name_pre,252 cfg->ucode_api_max);253 } else {254 IWL_ERR(drv, "minimum version required: %s-%d\n",255 fw_name_pre, cfg->ucode_api_min);256 IWL_ERR(drv, "maximum version supported: %s-%d\n",257 fw_name_pre, cfg->ucode_api_max);258 }259 260 IWL_ERR(drv,261 "check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git\n");262 return -ENOENT;263 }264 265 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s-%d.ucode",266 fw_name_pre, drv->fw_index);267 268 IWL_DEBUG_FW_INFO(drv, "attempting to load firmware '%s'\n",269 drv->firmware_name);270 271 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name,272 drv->trans->dev,273 GFP_KERNEL, drv, iwl_req_fw_callback);274}275 276struct fw_img_parsing {277 struct fw_sec *sec;278 int sec_counter;279};280 281/*282 * struct fw_sec_parsing: to extract fw section and it's offset from tlv283 */284struct fw_sec_parsing {285 __le32 offset;286 const u8 data[];287} __packed;288 289/**290 * struct iwl_tlv_calib_data - parse the default calib data from TLV291 *292 * @ucode_type: the uCode to which the following default calib relates.293 * @calib: default calibrations.294 */295struct iwl_tlv_calib_data {296 __le32 ucode_type;297 struct iwl_tlv_calib_ctrl calib;298} __packed;299 300struct iwl_firmware_pieces {301 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX];302 303 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;304 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;305 306 /* FW debug data parsed for driver usage */307 bool dbg_dest_tlv_init;308 const u8 *dbg_dest_ver;309 union {310 const struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv;311 const struct iwl_fw_dbg_dest_tlv_v1 *dbg_dest_tlv_v1;312 };313 const struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX];314 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX];315 const struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX];316 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX];317 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv;318 size_t n_mem_tlv;319};320 321/*322 * These functions are just to extract uCode section data from the pieces323 * structure.324 */325static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces,326 enum iwl_ucode_type type,327 int sec)328{329 return &pieces->img[type].sec[sec];330}331 332static void alloc_sec_data(struct iwl_firmware_pieces *pieces,333 enum iwl_ucode_type type,334 int sec)335{336 struct fw_img_parsing *img = &pieces->img[type];337 struct fw_sec *sec_memory;338 int size = sec + 1;339 size_t alloc_size = sizeof(*img->sec) * size;340 341 if (img->sec && img->sec_counter >= size)342 return;343 344 sec_memory = krealloc(img->sec, alloc_size, GFP_KERNEL);345 if (!sec_memory)346 return;347 348 img->sec = sec_memory;349 img->sec_counter = size;350}351 352static void set_sec_data(struct iwl_firmware_pieces *pieces,353 enum iwl_ucode_type type,354 int sec,355 const void *data)356{357 alloc_sec_data(pieces, type, sec);358 359 pieces->img[type].sec[sec].data = data;360}361 362static void set_sec_size(struct iwl_firmware_pieces *pieces,363 enum iwl_ucode_type type,364 int sec,365 size_t size)366{367 alloc_sec_data(pieces, type, sec);368 369 pieces->img[type].sec[sec].size = size;370}371 372static size_t get_sec_size(struct iwl_firmware_pieces *pieces,373 enum iwl_ucode_type type,374 int sec)375{376 return pieces->img[type].sec[sec].size;377}378 379static void set_sec_offset(struct iwl_firmware_pieces *pieces,380 enum iwl_ucode_type type,381 int sec,382 u32 offset)383{384 alloc_sec_data(pieces, type, sec);385 386 pieces->img[type].sec[sec].offset = offset;387}388 389/*390 * Gets uCode section from tlv.391 */392static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces,393 const void *data, enum iwl_ucode_type type,394 int size)395{396 struct fw_img_parsing *img;397 struct fw_sec *sec;398 const struct fw_sec_parsing *sec_parse;399 size_t alloc_size;400 401 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX))402 return -1;403 404 sec_parse = (const struct fw_sec_parsing *)data;405 406 img = &pieces->img[type];407 408 alloc_size = sizeof(*img->sec) * (img->sec_counter + 1);409 sec = krealloc(img->sec, alloc_size, GFP_KERNEL);410 if (!sec)411 return -ENOMEM;412 img->sec = sec;413 414 sec = &img->sec[img->sec_counter];415 416 sec->offset = le32_to_cpu(sec_parse->offset);417 sec->data = sec_parse->data;418 sec->size = size - sizeof(sec_parse->offset);419 420 ++img->sec_counter;421 422 return 0;423}424 425static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data)426{427 const struct iwl_tlv_calib_data *def_calib =428 (const struct iwl_tlv_calib_data *)data;429 u32 ucode_type = le32_to_cpu(def_calib->ucode_type);430 if (ucode_type >= IWL_UCODE_TYPE_MAX) {431 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n",432 ucode_type);433 return -EINVAL;434 }435 drv->fw.default_calib[ucode_type].flow_trigger =436 def_calib->calib.flow_trigger;437 drv->fw.default_calib[ucode_type].event_trigger =438 def_calib->calib.event_trigger;439 440 return 0;441}442 443static void iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data,444 struct iwl_ucode_capabilities *capa)445{446 const struct iwl_ucode_api *ucode_api = (const void *)data;447 u32 api_index = le32_to_cpu(ucode_api->api_index);448 u32 api_flags = le32_to_cpu(ucode_api->api_flags);449 int i;450 451 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) {452 IWL_WARN(drv,453 "api flags index %d larger than supported by driver\n",454 api_index);455 return;456 }457 458 for (i = 0; i < 32; i++) {459 if (api_flags & BIT(i))460 __set_bit(i + 32 * api_index, capa->_api);461 }462}463 464static void iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data,465 struct iwl_ucode_capabilities *capa)466{467 const struct iwl_ucode_capa *ucode_capa = (const void *)data;468 u32 api_index = le32_to_cpu(ucode_capa->api_index);469 u32 api_flags = le32_to_cpu(ucode_capa->api_capa);470 int i;471 472 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) {473 IWL_WARN(drv,474 "capa flags index %d larger than supported by driver\n",475 api_index);476 return;477 }478 479 for (i = 0; i < 32; i++) {480 if (api_flags & BIT(i))481 __set_bit(i + 32 * api_index, capa->_capa);482 }483}484 485static const char *iwl_reduced_fw_name(struct iwl_drv *drv)486{487 const char *name = drv->firmware_name;488 489 if (strncmp(name, "iwlwifi-", 8) == 0)490 name += 8;491 492 return name;493}494 495static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv,496 const struct firmware *ucode_raw,497 struct iwl_firmware_pieces *pieces)498{499 const struct iwl_ucode_header *ucode = (const void *)ucode_raw->data;500 u32 api_ver, hdr_size, build;501 char buildstr[25];502 const u8 *src;503 504 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);505 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);506 507 switch (api_ver) {508 default:509 hdr_size = 28;510 if (ucode_raw->size < hdr_size) {511 IWL_ERR(drv, "File size too small!\n");512 return -EINVAL;513 }514 build = le32_to_cpu(ucode->u.v2.build);515 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,516 le32_to_cpu(ucode->u.v2.inst_size));517 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,518 le32_to_cpu(ucode->u.v2.data_size));519 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,520 le32_to_cpu(ucode->u.v2.init_size));521 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,522 le32_to_cpu(ucode->u.v2.init_data_size));523 src = ucode->u.v2.data;524 break;525 case 0:526 case 1:527 case 2:528 hdr_size = 24;529 if (ucode_raw->size < hdr_size) {530 IWL_ERR(drv, "File size too small!\n");531 return -EINVAL;532 }533 build = 0;534 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,535 le32_to_cpu(ucode->u.v1.inst_size));536 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,537 le32_to_cpu(ucode->u.v1.data_size));538 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,539 le32_to_cpu(ucode->u.v1.init_size));540 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,541 le32_to_cpu(ucode->u.v1.init_data_size));542 src = ucode->u.v1.data;543 break;544 }545 546 if (build)547 sprintf(buildstr, " build %u", build);548 else549 buildstr[0] = '\0';550 551 snprintf(drv->fw.fw_version,552 sizeof(drv->fw.fw_version),553 "%u.%u.%u.%u%s %s",554 IWL_UCODE_MAJOR(drv->fw.ucode_ver),555 IWL_UCODE_MINOR(drv->fw.ucode_ver),556 IWL_UCODE_API(drv->fw.ucode_ver),557 IWL_UCODE_SERIAL(drv->fw.ucode_ver),558 buildstr, iwl_reduced_fw_name(drv));559 560 /* Verify size of file vs. image size info in file's header */561 562 if (ucode_raw->size != hdr_size +563 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) +564 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) +565 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) +566 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) {567 568 IWL_ERR(drv,569 "uCode file size %d does not match expected size\n",570 (int)ucode_raw->size);571 return -EINVAL;572 }573 574 575 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src);576 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST);577 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,578 IWLAGN_RTC_INST_LOWER_BOUND);579 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src);580 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA);581 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,582 IWLAGN_RTC_DATA_LOWER_BOUND);583 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src);584 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST);585 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,586 IWLAGN_RTC_INST_LOWER_BOUND);587 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src);588 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA);589 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,590 IWLAGN_RTC_DATA_LOWER_BOUND);591 return 0;592}593 594static void iwl_drv_set_dump_exclude(struct iwl_drv *drv,595 enum iwl_ucode_tlv_type tlv_type,596 const void *tlv_data, u32 tlv_len)597{598 const struct iwl_fw_dump_exclude *fw = tlv_data;599 struct iwl_dump_exclude *excl;600 601 if (tlv_len < sizeof(*fw))602 return;603 604 if (tlv_type == IWL_UCODE_TLV_SEC_TABLE_ADDR) {605 excl = &drv->fw.dump_excl[0];606 607 /* second time we find this, it's for WoWLAN */608 if (excl->addr)609 excl = &drv->fw.dump_excl_wowlan[0];610 } else if (fw_has_capa(&drv->fw.ucode_capa,611 IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG)) {612 /* IWL_UCODE_TLV_D3_KEK_KCK_ADDR is regular image */613 excl = &drv->fw.dump_excl[0];614 } else {615 /* IWL_UCODE_TLV_D3_KEK_KCK_ADDR is WoWLAN image */616 excl = &drv->fw.dump_excl_wowlan[0];617 }618 619 if (excl->addr)620 excl++;621 622 if (excl->addr) {623 IWL_DEBUG_FW_INFO(drv, "found too many excludes in fw file\n");624 return;625 }626 627 excl->addr = le32_to_cpu(fw->addr) & ~FW_ADDR_CACHE_CONTROL;628 excl->size = le32_to_cpu(fw->size);629}630 631static void iwl_parse_dbg_tlv_assert_tables(struct iwl_drv *drv,632 const struct iwl_ucode_tlv *tlv)633{634 const struct iwl_fw_ini_region_tlv *region;635 u32 length = le32_to_cpu(tlv->length);636 u32 addr;637 638 if (length < offsetof(typeof(*region), special_mem) +639 sizeof(region->special_mem))640 return;641 642 region = (const void *)tlv->data;643 addr = le32_to_cpu(region->special_mem.base_addr);644 addr += le32_to_cpu(region->special_mem.offset);645 addr &= ~FW_ADDR_CACHE_CONTROL;646 647 if (region->type != IWL_FW_INI_REGION_SPECIAL_DEVICE_MEMORY)648 return;649 650 switch (region->sub_type) {651 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_UMAC_ERROR_TABLE:652 drv->trans->dbg.umac_error_event_table = addr;653 drv->trans->dbg.error_event_table_tlv_status |=654 IWL_ERROR_EVENT_TABLE_UMAC;655 break;656 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_LMAC_1_ERROR_TABLE:657 drv->trans->dbg.lmac_error_event_table[0] = addr;658 drv->trans->dbg.error_event_table_tlv_status |=659 IWL_ERROR_EVENT_TABLE_LMAC1;660 break;661 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_LMAC_2_ERROR_TABLE:662 drv->trans->dbg.lmac_error_event_table[1] = addr;663 drv->trans->dbg.error_event_table_tlv_status |=664 IWL_ERROR_EVENT_TABLE_LMAC2;665 break;666 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_TCM_1_ERROR_TABLE:667 drv->trans->dbg.tcm_error_event_table[0] = addr;668 drv->trans->dbg.error_event_table_tlv_status |=669 IWL_ERROR_EVENT_TABLE_TCM1;670 break;671 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_TCM_2_ERROR_TABLE:672 drv->trans->dbg.tcm_error_event_table[1] = addr;673 drv->trans->dbg.error_event_table_tlv_status |=674 IWL_ERROR_EVENT_TABLE_TCM2;675 break;676 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_RCM_1_ERROR_TABLE:677 drv->trans->dbg.rcm_error_event_table[0] = addr;678 drv->trans->dbg.error_event_table_tlv_status |=679 IWL_ERROR_EVENT_TABLE_RCM1;680 break;681 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_RCM_2_ERROR_TABLE:682 drv->trans->dbg.rcm_error_event_table[1] = addr;683 drv->trans->dbg.error_event_table_tlv_status |=684 IWL_ERROR_EVENT_TABLE_RCM2;685 break;686 default:687 break;688 }689}690 691static int iwl_parse_tlv_firmware(struct iwl_drv *drv,692 const struct firmware *ucode_raw,693 struct iwl_firmware_pieces *pieces,694 struct iwl_ucode_capabilities *capa,695 bool *usniffer_images)696{697 const struct iwl_tlv_ucode_header *ucode = (const void *)ucode_raw->data;698 const struct iwl_ucode_tlv *tlv;699 size_t len = ucode_raw->size;700 const u8 *data;701 u32 tlv_len;702 u32 usniffer_img;703 enum iwl_ucode_tlv_type tlv_type;704 const u8 *tlv_data;705 char buildstr[25];706 u32 build, paging_mem_size;707 int num_of_cpus;708 bool usniffer_req = false;709 710 if (len < sizeof(*ucode)) {711 IWL_ERR(drv, "uCode has invalid length: %zd\n", len);712 return -EINVAL;713 }714 715 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) {716 IWL_ERR(drv, "invalid uCode magic: 0X%x\n",717 le32_to_cpu(ucode->magic));718 return -EINVAL;719 }720 721 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);722 memcpy(drv->fw.human_readable, ucode->human_readable,723 sizeof(drv->fw.human_readable));724 build = le32_to_cpu(ucode->build);725 726 if (build)727 sprintf(buildstr, " build %u", build);728 else729 buildstr[0] = '\0';730 731 snprintf(drv->fw.fw_version,732 sizeof(drv->fw.fw_version),733 "%u.%u.%u.%u%s %s",734 IWL_UCODE_MAJOR(drv->fw.ucode_ver),735 IWL_UCODE_MINOR(drv->fw.ucode_ver),736 IWL_UCODE_API(drv->fw.ucode_ver),737 IWL_UCODE_SERIAL(drv->fw.ucode_ver),738 buildstr, iwl_reduced_fw_name(drv));739 740 data = ucode->data;741 742 len -= sizeof(*ucode);743 744 while (len >= sizeof(*tlv)) {745 len -= sizeof(*tlv);746 747 tlv = (const void *)data;748 tlv_len = le32_to_cpu(tlv->length);749 tlv_type = le32_to_cpu(tlv->type);750 tlv_data = tlv->data;751 752 if (len < tlv_len) {753 IWL_ERR(drv, "invalid TLV len: %zd/%u\n",754 len, tlv_len);755 return -EINVAL;756 }757 len -= ALIGN(tlv_len, 4);758 data += sizeof(*tlv) + ALIGN(tlv_len, 4);759 760 switch (tlv_type) {761 case IWL_UCODE_TLV_INST:762 set_sec_data(pieces, IWL_UCODE_REGULAR,763 IWL_UCODE_SECTION_INST, tlv_data);764 set_sec_size(pieces, IWL_UCODE_REGULAR,765 IWL_UCODE_SECTION_INST, tlv_len);766 set_sec_offset(pieces, IWL_UCODE_REGULAR,767 IWL_UCODE_SECTION_INST,768 IWLAGN_RTC_INST_LOWER_BOUND);769 break;770 case IWL_UCODE_TLV_DATA:771 set_sec_data(pieces, IWL_UCODE_REGULAR,772 IWL_UCODE_SECTION_DATA, tlv_data);773 set_sec_size(pieces, IWL_UCODE_REGULAR,774 IWL_UCODE_SECTION_DATA, tlv_len);775 set_sec_offset(pieces, IWL_UCODE_REGULAR,776 IWL_UCODE_SECTION_DATA,777 IWLAGN_RTC_DATA_LOWER_BOUND);778 break;779 case IWL_UCODE_TLV_INIT:780 set_sec_data(pieces, IWL_UCODE_INIT,781 IWL_UCODE_SECTION_INST, tlv_data);782 set_sec_size(pieces, IWL_UCODE_INIT,783 IWL_UCODE_SECTION_INST, tlv_len);784 set_sec_offset(pieces, IWL_UCODE_INIT,785 IWL_UCODE_SECTION_INST,786 IWLAGN_RTC_INST_LOWER_BOUND);787 break;788 case IWL_UCODE_TLV_INIT_DATA:789 set_sec_data(pieces, IWL_UCODE_INIT,790 IWL_UCODE_SECTION_DATA, tlv_data);791 set_sec_size(pieces, IWL_UCODE_INIT,792 IWL_UCODE_SECTION_DATA, tlv_len);793 set_sec_offset(pieces, IWL_UCODE_INIT,794 IWL_UCODE_SECTION_DATA,795 IWLAGN_RTC_DATA_LOWER_BOUND);796 break;797 case IWL_UCODE_TLV_BOOT:798 IWL_ERR(drv, "Found unexpected BOOT ucode\n");799 break;800 case IWL_UCODE_TLV_PROBE_MAX_LEN:801 if (tlv_len != sizeof(u32))802 goto invalid_tlv_len;803 capa->max_probe_length =804 le32_to_cpup((const __le32 *)tlv_data);805 break;806 case IWL_UCODE_TLV_PAN:807 if (tlv_len)808 goto invalid_tlv_len;809 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN;810 break;811 case IWL_UCODE_TLV_FLAGS:812 /* must be at least one u32 */813 if (tlv_len < sizeof(u32))814 goto invalid_tlv_len;815 /* and a proper number of u32s */816 if (tlv_len % sizeof(u32))817 goto invalid_tlv_len;818 /*819 * This driver only reads the first u32 as820 * right now no more features are defined,821 * if that changes then either the driver822 * will not work with the new firmware, or823 * it'll not take advantage of new features.824 */825 capa->flags = le32_to_cpup((const __le32 *)tlv_data);826 break;827 case IWL_UCODE_TLV_API_CHANGES_SET:828 if (tlv_len != sizeof(struct iwl_ucode_api))829 goto invalid_tlv_len;830 iwl_set_ucode_api_flags(drv, tlv_data, capa);831 break;832 case IWL_UCODE_TLV_ENABLED_CAPABILITIES:833 if (tlv_len != sizeof(struct iwl_ucode_capa))834 goto invalid_tlv_len;835 iwl_set_ucode_capabilities(drv, tlv_data, capa);836 break;837 case IWL_UCODE_TLV_INIT_EVTLOG_PTR:838 if (tlv_len != sizeof(u32))839 goto invalid_tlv_len;840 pieces->init_evtlog_ptr =841 le32_to_cpup((const __le32 *)tlv_data);842 break;843 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE:844 if (tlv_len != sizeof(u32))845 goto invalid_tlv_len;846 pieces->init_evtlog_size =847 le32_to_cpup((const __le32 *)tlv_data);848 break;849 case IWL_UCODE_TLV_INIT_ERRLOG_PTR:850 if (tlv_len != sizeof(u32))851 goto invalid_tlv_len;852 pieces->init_errlog_ptr =853 le32_to_cpup((const __le32 *)tlv_data);854 break;855 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR:856 if (tlv_len != sizeof(u32))857 goto invalid_tlv_len;858 pieces->inst_evtlog_ptr =859 le32_to_cpup((const __le32 *)tlv_data);860 break;861 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE:862 if (tlv_len != sizeof(u32))863 goto invalid_tlv_len;864 pieces->inst_evtlog_size =865 le32_to_cpup((const __le32 *)tlv_data);866 break;867 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR:868 if (tlv_len != sizeof(u32))869 goto invalid_tlv_len;870 pieces->inst_errlog_ptr =871 le32_to_cpup((const __le32 *)tlv_data);872 break;873 case IWL_UCODE_TLV_ENHANCE_SENS_TBL:874 if (tlv_len)875 goto invalid_tlv_len;876 drv->fw.enhance_sensitivity_table = true;877 break;878 case IWL_UCODE_TLV_WOWLAN_INST:879 set_sec_data(pieces, IWL_UCODE_WOWLAN,880 IWL_UCODE_SECTION_INST, tlv_data);881 set_sec_size(pieces, IWL_UCODE_WOWLAN,882 IWL_UCODE_SECTION_INST, tlv_len);883 set_sec_offset(pieces, IWL_UCODE_WOWLAN,884 IWL_UCODE_SECTION_INST,885 IWLAGN_RTC_INST_LOWER_BOUND);886 break;887 case IWL_UCODE_TLV_WOWLAN_DATA:888 set_sec_data(pieces, IWL_UCODE_WOWLAN,889 IWL_UCODE_SECTION_DATA, tlv_data);890 set_sec_size(pieces, IWL_UCODE_WOWLAN,891 IWL_UCODE_SECTION_DATA, tlv_len);892 set_sec_offset(pieces, IWL_UCODE_WOWLAN,893 IWL_UCODE_SECTION_DATA,894 IWLAGN_RTC_DATA_LOWER_BOUND);895 break;896 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE:897 if (tlv_len != sizeof(u32))898 goto invalid_tlv_len;899 capa->standard_phy_calibration_size =900 le32_to_cpup((const __le32 *)tlv_data);901 break;902 case IWL_UCODE_TLV_SEC_RT:903 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,904 tlv_len);905 drv->fw.type = IWL_FW_MVM;906 break;907 case IWL_UCODE_TLV_SEC_INIT:908 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,909 tlv_len);910 drv->fw.type = IWL_FW_MVM;911 break;912 case IWL_UCODE_TLV_SEC_WOWLAN:913 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,914 tlv_len);915 drv->fw.type = IWL_FW_MVM;916 break;917 case IWL_UCODE_TLV_DEF_CALIB:918 if (tlv_len != sizeof(struct iwl_tlv_calib_data))919 goto invalid_tlv_len;920 if (iwl_set_default_calib(drv, tlv_data))921 goto tlv_error;922 break;923 case IWL_UCODE_TLV_PHY_SKU:924 if (tlv_len != sizeof(u32))925 goto invalid_tlv_len;926 drv->fw.phy_config = le32_to_cpup((const __le32 *)tlv_data);927 drv->fw.valid_tx_ant = (drv->fw.phy_config &928 FW_PHY_CFG_TX_CHAIN) >>929 FW_PHY_CFG_TX_CHAIN_POS;930 drv->fw.valid_rx_ant = (drv->fw.phy_config &931 FW_PHY_CFG_RX_CHAIN) >>932 FW_PHY_CFG_RX_CHAIN_POS;933 break;934 case IWL_UCODE_TLV_SECURE_SEC_RT:935 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,936 tlv_len);937 drv->fw.type = IWL_FW_MVM;938 break;939 case IWL_UCODE_TLV_SECURE_SEC_INIT:940 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,941 tlv_len);942 drv->fw.type = IWL_FW_MVM;943 break;944 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN:945 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,946 tlv_len);947 drv->fw.type = IWL_FW_MVM;948 break;949 case IWL_UCODE_TLV_NUM_OF_CPU:950 if (tlv_len != sizeof(u32))951 goto invalid_tlv_len;952 num_of_cpus =953 le32_to_cpup((const __le32 *)tlv_data);954 955 if (num_of_cpus == 2) {956 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus =957 true;958 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus =959 true;960 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus =961 true;962 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) {963 IWL_ERR(drv, "Driver support up to 2 CPUs\n");964 return -EINVAL;965 }966 break;967 case IWL_UCODE_TLV_N_SCAN_CHANNELS:968 if (tlv_len != sizeof(u32))969 goto invalid_tlv_len;970 capa->n_scan_channels =971 le32_to_cpup((const __le32 *)tlv_data);972 break;973 case IWL_UCODE_TLV_FW_VERSION: {974 const __le32 *ptr = (const void *)tlv_data;975 u32 major, minor;976 u8 local_comp;977 978 if (tlv_len != sizeof(u32) * 3)979 goto invalid_tlv_len;980 981 major = le32_to_cpup(ptr++);982 minor = le32_to_cpup(ptr++);983 local_comp = le32_to_cpup(ptr);984 985 snprintf(drv->fw.fw_version,986 sizeof(drv->fw.fw_version),987 "%u.%08x.%u %s", major, minor,988 local_comp, iwl_reduced_fw_name(drv));989 break;990 }991 case IWL_UCODE_TLV_FW_DBG_DEST: {992 const struct iwl_fw_dbg_dest_tlv *dest = NULL;993 const struct iwl_fw_dbg_dest_tlv_v1 *dest_v1 = NULL;994 u8 mon_mode;995 996 pieces->dbg_dest_ver = (const u8 *)tlv_data;997 if (*pieces->dbg_dest_ver == 1) {998 dest = (const void *)tlv_data;999 } else if (*pieces->dbg_dest_ver == 0) {1000 dest_v1 = (const void *)tlv_data;1001 } else {1002 IWL_ERR(drv,1003 "The version is %d, and it is invalid\n",1004 *pieces->dbg_dest_ver);1005 break;1006 }1007 1008 if (pieces->dbg_dest_tlv_init) {1009 IWL_ERR(drv,1010 "dbg destination ignored, already exists\n");1011 break;1012 }1013 1014 pieces->dbg_dest_tlv_init = true;1015 1016 if (dest_v1) {1017 pieces->dbg_dest_tlv_v1 = dest_v1;1018 mon_mode = dest_v1->monitor_mode;1019 } else {1020 pieces->dbg_dest_tlv = dest;1021 mon_mode = dest->monitor_mode;1022 }1023 1024 IWL_INFO(drv, "Found debug destination: %s\n",1025 get_fw_dbg_mode_string(mon_mode));1026 1027 drv->fw.dbg.n_dest_reg = (dest_v1) ?1028 tlv_len -1029 offsetof(struct iwl_fw_dbg_dest_tlv_v1,1030 reg_ops) :1031 tlv_len -1032 offsetof(struct iwl_fw_dbg_dest_tlv,1033 reg_ops);1034 1035 drv->fw.dbg.n_dest_reg /=1036 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]);1037 1038 break;1039 }1040 case IWL_UCODE_TLV_FW_DBG_CONF: {1041 const struct iwl_fw_dbg_conf_tlv *conf =1042 (const void *)tlv_data;1043 1044 if (!pieces->dbg_dest_tlv_init) {1045 IWL_ERR(drv,1046 "Ignore dbg config %d - no destination configured\n",1047 conf->id);1048 break;1049 }1050 1051 if (conf->id >= ARRAY_SIZE(drv->fw.dbg.conf_tlv)) {1052 IWL_ERR(drv,1053 "Skip unknown configuration: %d\n",1054 conf->id);1055 break;1056 }1057 1058 if (pieces->dbg_conf_tlv[conf->id]) {1059 IWL_ERR(drv,1060 "Ignore duplicate dbg config %d\n",1061 conf->id);1062 break;1063 }1064 1065 if (conf->usniffer)1066 usniffer_req = true;1067 1068 IWL_INFO(drv, "Found debug configuration: %d\n",1069 conf->id);1070 1071 pieces->dbg_conf_tlv[conf->id] = conf;1072 pieces->dbg_conf_tlv_len[conf->id] = tlv_len;1073 break;1074 }1075 case IWL_UCODE_TLV_FW_DBG_TRIGGER: {1076 const struct iwl_fw_dbg_trigger_tlv *trigger =1077 (const void *)tlv_data;1078 u32 trigger_id = le32_to_cpu(trigger->id);1079 1080 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg.trigger_tlv)) {1081 IWL_ERR(drv,1082 "Skip unknown trigger: %u\n",1083 trigger->id);1084 break;1085 }1086 1087 if (pieces->dbg_trigger_tlv[trigger_id]) {1088 IWL_ERR(drv,1089 "Ignore duplicate dbg trigger %u\n",1090 trigger->id);1091 break;1092 }1093 1094 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id);1095 1096 pieces->dbg_trigger_tlv[trigger_id] = trigger;1097 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len;1098 break;1099 }1100 case IWL_UCODE_TLV_FW_DBG_DUMP_LST: {1101 if (tlv_len != sizeof(u32)) {1102 IWL_ERR(drv,1103 "dbg lst mask size incorrect, skip\n");1104 break;1105 }1106 1107 drv->fw.dbg.dump_mask =1108 le32_to_cpup((const __le32 *)tlv_data);1109 break;1110 }1111 case IWL_UCODE_TLV_SEC_RT_USNIFFER:1112 *usniffer_images = true;1113 iwl_store_ucode_sec(pieces, tlv_data,1114 IWL_UCODE_REGULAR_USNIFFER,1115 tlv_len);1116 break;1117 case IWL_UCODE_TLV_PAGING:1118 if (tlv_len != sizeof(u32))1119 goto invalid_tlv_len;1120 paging_mem_size = le32_to_cpup((const __le32 *)tlv_data);1121 1122 IWL_DEBUG_FW(drv,1123 "Paging: paging enabled (size = %u bytes)\n",1124 paging_mem_size);1125 1126 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) {1127 IWL_ERR(drv,1128 "Paging: driver supports up to %lu bytes for paging image\n",1129 MAX_PAGING_IMAGE_SIZE);1130 return -EINVAL;1131 }1132 1133 if (paging_mem_size & (FW_PAGING_SIZE - 1)) {1134 IWL_ERR(drv,1135 "Paging: image isn't multiple %lu\n",1136 FW_PAGING_SIZE);1137 return -EINVAL;1138 }1139 1140 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size =1141 paging_mem_size;1142 usniffer_img = IWL_UCODE_REGULAR_USNIFFER;1143 drv->fw.img[usniffer_img].paging_mem_size =1144 paging_mem_size;1145 break;1146 case IWL_UCODE_TLV_FW_GSCAN_CAPA:1147 /* ignored */1148 break;1149 case IWL_UCODE_TLV_FW_MEM_SEG: {1150 const struct iwl_fw_dbg_mem_seg_tlv *dbg_mem =1151 (const void *)tlv_data;1152 size_t size;1153 struct iwl_fw_dbg_mem_seg_tlv *n;1154 1155 if (tlv_len != (sizeof(*dbg_mem)))1156 goto invalid_tlv_len;1157 1158 IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n",1159 dbg_mem->data_type);1160 1161 size = sizeof(*pieces->dbg_mem_tlv) *1162 (pieces->n_mem_tlv + 1);1163 n = krealloc(pieces->dbg_mem_tlv, size, GFP_KERNEL);1164 if (!n)1165 return -ENOMEM;1166 pieces->dbg_mem_tlv = n;1167 pieces->dbg_mem_tlv[pieces->n_mem_tlv] = *dbg_mem;1168 pieces->n_mem_tlv++;1169 break;1170 }1171 case IWL_UCODE_TLV_IML: {1172 drv->fw.iml_len = tlv_len;1173 drv->fw.iml = kmemdup(tlv_data, tlv_len, GFP_KERNEL);1174 if (!drv->fw.iml)1175 return -ENOMEM;1176 break;1177 }1178 case IWL_UCODE_TLV_FW_RECOVERY_INFO: {1179 const struct {1180 __le32 buf_addr;1181 __le32 buf_size;1182 } *recov_info = (const void *)tlv_data;1183 1184 if (tlv_len != sizeof(*recov_info))1185 goto invalid_tlv_len;1186 capa->error_log_addr =1187 le32_to_cpu(recov_info->buf_addr);1188 capa->error_log_size =1189 le32_to_cpu(recov_info->buf_size);1190 }1191 break;1192 case IWL_UCODE_TLV_FW_FSEQ_VERSION: {1193 const struct {1194 u8 version[32];1195 u8 sha1[20];1196 } *fseq_ver = (const void *)tlv_data;1197 1198 if (tlv_len != sizeof(*fseq_ver))1199 goto invalid_tlv_len;1200 IWL_INFO(drv, "TLV_FW_FSEQ_VERSION: %s\n",1201 fseq_ver->version);1202 }1203 break;1204 case IWL_UCODE_TLV_FW_NUM_STATIONS:1205 if (tlv_len != sizeof(u32))1206 goto invalid_tlv_len;1207 if (le32_to_cpup((const __le32 *)tlv_data) >1208 IWL_STATION_COUNT_MAX) {1209 IWL_ERR(drv,1210 "%d is an invalid number of station\n",1211 le32_to_cpup((const __le32 *)tlv_data));1212 goto tlv_error;1213 }1214 capa->num_stations =1215 le32_to_cpup((const __le32 *)tlv_data);1216 break;1217 case IWL_UCODE_TLV_FW_NUM_BEACONS:1218 if (tlv_len != sizeof(u32))1219 goto invalid_tlv_len;1220 capa->num_beacons =1221 le32_to_cpup((const __le32 *)tlv_data);1222 break;1223 case IWL_UCODE_TLV_UMAC_DEBUG_ADDRS: {1224 const struct iwl_umac_debug_addrs *dbg_ptrs =1225 (const void *)tlv_data;1226 1227 if (tlv_len != sizeof(*dbg_ptrs))1228 goto invalid_tlv_len;1229 if (drv->trans->trans_cfg->device_family <1230 IWL_DEVICE_FAMILY_22000)1231 break;1232 drv->trans->dbg.umac_error_event_table =1233 le32_to_cpu(dbg_ptrs->error_info_addr) &1234 ~FW_ADDR_CACHE_CONTROL;1235 drv->trans->dbg.error_event_table_tlv_status |=1236 IWL_ERROR_EVENT_TABLE_UMAC;1237 break;1238 }1239 case IWL_UCODE_TLV_LMAC_DEBUG_ADDRS: {1240 const struct iwl_lmac_debug_addrs *dbg_ptrs =1241 (const void *)tlv_data;1242 1243 if (tlv_len != sizeof(*dbg_ptrs))1244 goto invalid_tlv_len;1245 if (drv->trans->trans_cfg->device_family <1246 IWL_DEVICE_FAMILY_22000)1247 break;1248 drv->trans->dbg.lmac_error_event_table[0] =1249 le32_to_cpu(dbg_ptrs->error_event_table_ptr) &1250 ~FW_ADDR_CACHE_CONTROL;1251 drv->trans->dbg.error_event_table_tlv_status |=1252 IWL_ERROR_EVENT_TABLE_LMAC1;1253 break;1254 }1255 case IWL_UCODE_TLV_TYPE_REGIONS:1256 iwl_parse_dbg_tlv_assert_tables(drv, tlv);1257 fallthrough;1258 case IWL_UCODE_TLV_TYPE_DEBUG_INFO:1259 case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION:1260 case IWL_UCODE_TLV_TYPE_HCMD:1261 case IWL_UCODE_TLV_TYPE_TRIGGERS:1262 case IWL_UCODE_TLV_TYPE_CONF_SET:1263 if (iwlwifi_mod_params.enable_ini)1264 iwl_dbg_tlv_alloc(drv->trans, tlv, false);1265 break;1266 case IWL_UCODE_TLV_CMD_VERSIONS:1267 if (tlv_len % sizeof(struct iwl_fw_cmd_version)) {1268 IWL_ERR(drv,1269 "Invalid length for command versions: %u\n",1270 tlv_len);1271 tlv_len /= sizeof(struct iwl_fw_cmd_version);1272 tlv_len *= sizeof(struct iwl_fw_cmd_version);1273 }1274 if (WARN_ON(capa->cmd_versions))1275 return -EINVAL;1276 capa->cmd_versions = kmemdup(tlv_data, tlv_len,1277 GFP_KERNEL);1278 if (!capa->cmd_versions)1279 return -ENOMEM;1280 capa->n_cmd_versions =1281 tlv_len / sizeof(struct iwl_fw_cmd_version);1282 break;1283 case IWL_UCODE_TLV_PHY_INTEGRATION_VERSION:1284 if (drv->fw.phy_integration_ver) {1285 IWL_ERR(drv,1286 "phy integration str ignored, already exists\n");1287 break;1288 }1289 1290 drv->fw.phy_integration_ver =1291 kmemdup(tlv_data, tlv_len, GFP_KERNEL);1292 if (!drv->fw.phy_integration_ver)1293 return -ENOMEM;1294 drv->fw.phy_integration_ver_len = tlv_len;1295 break;1296 case IWL_UCODE_TLV_SEC_TABLE_ADDR:1297 case IWL_UCODE_TLV_D3_KEK_KCK_ADDR:1298 iwl_drv_set_dump_exclude(drv, tlv_type,1299 tlv_data, tlv_len);1300 break;1301 case IWL_UCODE_TLV_CURRENT_PC:1302 if (tlv_len < sizeof(struct iwl_pc_data))1303 goto invalid_tlv_len;1304 drv->trans->dbg.pc_data =1305 kmemdup(tlv_data, tlv_len, GFP_KERNEL);1306 if (!drv->trans->dbg.pc_data)1307 return -ENOMEM;1308 drv->trans->dbg.num_pc =1309 tlv_len / sizeof(struct iwl_pc_data);1310 break;1311 default:1312 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type);1313 break;1314 }1315 }1316 1317 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) &&1318 usniffer_req && !*usniffer_images) {1319 IWL_ERR(drv,1320 "user selected to work with usniffer but usniffer image isn't available in ucode package\n");1321 return -EINVAL;1322 }1323 1324 if (len) {1325 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len);1326 iwl_print_hex_dump(drv, IWL_DL_FW, data, len);1327 return -EINVAL;1328 }1329 1330 return 0;1331 1332 invalid_tlv_len:1333 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);1334 tlv_error:1335 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len);1336 1337 return -EINVAL;1338}1339 1340static int iwl_alloc_ucode(struct iwl_drv *drv,1341 struct iwl_firmware_pieces *pieces,1342 enum iwl_ucode_type type)1343{1344 int i;1345 struct fw_desc *sec;1346 1347 sec = kcalloc(pieces->img[type].sec_counter, sizeof(*sec), GFP_KERNEL);1348 if (!sec)1349 return -ENOMEM;1350 drv->fw.img[type].sec = sec;1351 drv->fw.img[type].num_sec = pieces->img[type].sec_counter;1352 1353 for (i = 0; i < pieces->img[type].sec_counter; i++)1354 if (iwl_alloc_fw_desc(drv, &sec[i], get_sec(pieces, type, i)))1355 return -ENOMEM;1356 1357 return 0;1358}1359 1360static int validate_sec_sizes(struct iwl_drv *drv,1361 struct iwl_firmware_pieces *pieces,1362 const struct iwl_cfg *cfg)1363{1364 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %zd\n",1365 get_sec_size(pieces, IWL_UCODE_REGULAR,1366 IWL_UCODE_SECTION_INST));1367 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %zd\n",1368 get_sec_size(pieces, IWL_UCODE_REGULAR,1369 IWL_UCODE_SECTION_DATA));1370 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %zd\n",1371 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST));1372 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %zd\n",1373 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA));1374 1375 /* Verify that uCode images will fit in card's SRAM. */1376 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) >1377 cfg->max_inst_size) {1378 IWL_ERR(drv, "uCode instr len %zd too large to fit in\n",1379 get_sec_size(pieces, IWL_UCODE_REGULAR,1380 IWL_UCODE_SECTION_INST));1381 return -1;1382 }1383 1384 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) >1385 cfg->max_data_size) {1386 IWL_ERR(drv, "uCode data len %zd too large to fit in\n",1387 get_sec_size(pieces, IWL_UCODE_REGULAR,1388 IWL_UCODE_SECTION_DATA));1389 return -1;1390 }1391 1392 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) >1393 cfg->max_inst_size) {1394 IWL_ERR(drv, "uCode init instr len %zd too large to fit in\n",1395 get_sec_size(pieces, IWL_UCODE_INIT,1396 IWL_UCODE_SECTION_INST));1397 return -1;1398 }1399 1400 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) >1401 cfg->max_data_size) {1402 IWL_ERR(drv, "uCode init data len %zd too large to fit in\n",1403 get_sec_size(pieces, IWL_UCODE_REGULAR,1404 IWL_UCODE_SECTION_DATA));1405 return -1;1406 }1407 return 0;1408}1409 1410static struct iwl_op_mode *1411_iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op)1412{1413 const struct iwl_op_mode_ops *ops = op->ops;1414 struct dentry *dbgfs_dir = NULL;1415 struct iwl_op_mode *op_mode = NULL;1416 int retry, max_retry = !!iwlwifi_mod_params.fw_restart * IWL_MAX_INIT_RETRY;1417 1418 /* also protects start/stop from racing against each other */1419 lockdep_assert_held(&iwlwifi_opmode_table_mtx);1420 1421 for (retry = 0; retry <= max_retry; retry++) {1422 1423#ifdef CONFIG_IWLWIFI_DEBUGFS1424 drv->dbgfs_op_mode = debugfs_create_dir(op->name,1425 drv->dbgfs_drv);1426 dbgfs_dir = drv->dbgfs_op_mode;1427#endif1428 1429 op_mode = ops->start(drv->trans, drv->trans->cfg,1430 &drv->fw, dbgfs_dir);1431 1432 if (op_mode)1433 return op_mode;1434 1435 if (test_bit(STATUS_TRANS_DEAD, &drv->trans->status))1436 break;1437 1438 IWL_ERR(drv, "retry init count %d\n", retry);1439 1440#ifdef CONFIG_IWLWIFI_DEBUGFS1441 debugfs_remove_recursive(drv->dbgfs_op_mode);1442 drv->dbgfs_op_mode = NULL;1443#endif1444 }1445 1446 return NULL;1447}1448 1449static void _iwl_op_mode_stop(struct iwl_drv *drv)1450{1451 /* also protects start/stop from racing against each other */1452 lockdep_assert_held(&iwlwifi_opmode_table_mtx);1453 1454 /* op_mode can be NULL if its start failed */1455 if (drv->op_mode) {1456 iwl_op_mode_stop(drv->op_mode);1457 drv->op_mode = NULL;1458 1459#ifdef CONFIG_IWLWIFI_DEBUGFS1460 debugfs_remove_recursive(drv->dbgfs_op_mode);1461 drv->dbgfs_op_mode = NULL;1462#endif1463 }1464}1465 1466/*1467 * iwl_req_fw_callback - callback when firmware was loaded1468 *1469 * If loaded successfully, copies the firmware into buffers1470 * for the card to fetch (via DMA).1471 */1472static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)1473{1474 struct iwl_drv *drv = context;1475 struct iwl_fw *fw = &drv->fw;1476 const struct iwl_ucode_header *ucode;1477 struct iwlwifi_opmode_table *op;1478 int err;1479 struct iwl_firmware_pieces *pieces;1480 const unsigned int api_max = drv->trans->cfg->ucode_api_max;1481 const unsigned int api_min = drv->trans->cfg->ucode_api_min;1482 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX];1483 u32 api_ver;1484 int i;1485 bool usniffer_images = false;1486 bool failure = true;1487 1488 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH;1489 fw->ucode_capa.standard_phy_calibration_size =1490 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE;1491 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS;1492 fw->ucode_capa.num_stations = IWL_STATION_COUNT_MAX;1493 fw->ucode_capa.num_beacons = 1;1494 /* dump all fw memory areas by default */1495 fw->dbg.dump_mask = 0xffffffff;1496 1497 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL);1498 if (!pieces)1499 goto out_free_fw;1500 1501 if (!ucode_raw)1502 goto try_again;1503 1504 IWL_DEBUG_FW_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n",1505 drv->firmware_name, ucode_raw->size);1506 1507 /* Make sure that we got at least the API version number */1508 if (ucode_raw->size < 4) {1509 IWL_ERR(drv, "File size way too small!\n");1510 goto try_again;1511 }1512 1513 /* Data from ucode file: header followed by uCode images */1514 ucode = (const struct iwl_ucode_header *)ucode_raw->data;1515 1516 if (ucode->ver)1517 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces);1518 else1519 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces,1520 &fw->ucode_capa, &usniffer_images);1521 1522 if (err)1523 goto try_again;1524 1525 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION))1526 api_ver = drv->fw.ucode_ver;1527 else1528 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);1529 1530 /*1531 * api_ver should match the api version forming part of the1532 * firmware filename ... but we don't check for that and only rely1533 * on the API version read from firmware header from here on forward1534 */1535 if (api_ver < api_min || api_ver > api_max) {1536 IWL_ERR(drv,1537 "Driver unable to support your firmware API. "1538 "Driver supports v%u, firmware is v%u.\n",1539 api_max, api_ver);1540 goto try_again;1541 }1542 1543 /*1544 * In mvm uCode there is no difference between data and instructions1545 * sections.1546 */1547 if (fw->type == IWL_FW_DVM && validate_sec_sizes(drv, pieces,1548 drv->trans->cfg))1549 goto try_again;1550 1551 /* Allocate ucode buffers for card's bus-master loading ... */1552 1553 /* Runtime instructions and 2 copies of data:1554 * 1) unmodified from disk1555 * 2) backup cache for save/restore during power-downs1556 */1557 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)1558 if (iwl_alloc_ucode(drv, pieces, i))1559 goto out_free_fw;1560 1561 if (pieces->dbg_dest_tlv_init) {1562 size_t dbg_dest_size = sizeof(*drv->fw.dbg.dest_tlv) +1563 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) *1564 drv->fw.dbg.n_dest_reg;1565 1566 drv->fw.dbg.dest_tlv = kmalloc(dbg_dest_size, GFP_KERNEL);1567 1568 if (!drv->fw.dbg.dest_tlv)1569 goto out_free_fw;1570 1571 if (*pieces->dbg_dest_ver == 0) {1572 memcpy(drv->fw.dbg.dest_tlv, pieces->dbg_dest_tlv_v1,1573 dbg_dest_size);1574 } else {1575 struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv =1576 drv->fw.dbg.dest_tlv;1577 1578 dest_tlv->version = pieces->dbg_dest_tlv->version;1579 dest_tlv->monitor_mode =1580 pieces->dbg_dest_tlv->monitor_mode;1581 dest_tlv->size_power =1582 pieces->dbg_dest_tlv->size_power;1583 dest_tlv->wrap_count =1584 pieces->dbg_dest_tlv->wrap_count;1585 dest_tlv->write_ptr_reg =1586 pieces->dbg_dest_tlv->write_ptr_reg;1587 dest_tlv->base_shift =1588 pieces->dbg_dest_tlv->base_shift;1589 memcpy(dest_tlv->reg_ops,1590 pieces->dbg_dest_tlv->reg_ops,1591 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) *1592 drv->fw.dbg.n_dest_reg);1593 1594 /* In version 1 of the destination tlv, which is1595 * relevant for internal buffer exclusively,1596 * the base address is part of given with the length1597 * of the buffer, and the size shift is give instead of1598 * end shift. We now store these values in base_reg,1599 * and end shift, and when dumping the data we'll1600 * manipulate it for extracting both the length and1601 * base address */1602 dest_tlv->base_reg = pieces->dbg_dest_tlv->cfg_reg;1603 dest_tlv->end_shift =1604 pieces->dbg_dest_tlv->size_shift;1605 }1606 }1607 1608 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) {1609 if (pieces->dbg_conf_tlv[i]) {1610 drv->fw.dbg.conf_tlv[i] =1611 kmemdup(pieces->dbg_conf_tlv[i],1612 pieces->dbg_conf_tlv_len[i],1613 GFP_KERNEL);1614 if (!drv->fw.dbg.conf_tlv[i])1615 goto out_free_fw;1616 }1617 }1618 1619 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz));1620 1621 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] =1622 sizeof(struct iwl_fw_dbg_trigger_missed_bcon);1623 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0;1624 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] =1625 sizeof(struct iwl_fw_dbg_trigger_cmd);1626 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] =1627 sizeof(struct iwl_fw_dbg_trigger_mlme);1628 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] =1629 sizeof(struct iwl_fw_dbg_trigger_stats);1630 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] =1631 sizeof(struct iwl_fw_dbg_trigger_low_rssi);1632 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] =1633 sizeof(struct iwl_fw_dbg_trigger_txq_timer);1634 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] =1635 sizeof(struct iwl_fw_dbg_trigger_time_event);1636 trigger_tlv_sz[FW_DBG_TRIGGER_BA] =1637 sizeof(struct iwl_fw_dbg_trigger_ba);1638 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] =1639 sizeof(struct iwl_fw_dbg_trigger_tdls);1640 1641 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) {1642 if (pieces->dbg_trigger_tlv[i]) {1643 /*1644 * If the trigger isn't long enough, WARN and exit.1645 * Someone is trying to debug something and he won't1646 * be able to catch the bug he is trying to chase.1647 * We'd better be noisy to be sure he knows what's1648 * going on.1649 */1650 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] <1651 (trigger_tlv_sz[i] +1652 sizeof(struct iwl_fw_dbg_trigger_tlv))))1653 goto out_free_fw;1654 drv->fw.dbg.trigger_tlv_len[i] =1655 pieces->dbg_trigger_tlv_len[i];1656 drv->fw.dbg.trigger_tlv[i] =1657 kmemdup(pieces->dbg_trigger_tlv[i],1658 drv->fw.dbg.trigger_tlv_len[i],1659 GFP_KERNEL);1660 if (!drv->fw.dbg.trigger_tlv[i])1661 goto out_free_fw;1662 }1663 }1664 1665 /* Now that we can no longer fail, copy information */1666 1667 drv->fw.dbg.mem_tlv = pieces->dbg_mem_tlv;1668 pieces->dbg_mem_tlv = NULL;1669 drv->fw.dbg.n_mem_tlv = pieces->n_mem_tlv;1670 1671 /*1672 * The (size - 16) / 12 formula is based on the information recorded1673 * for each event, which is of mode 1 (including timestamp) for all1674 * new microcodes that include this information.1675 */1676 fw->init_evtlog_ptr = pieces->init_evtlog_ptr;1677 if (pieces->init_evtlog_size)1678 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12;1679 else1680 fw->init_evtlog_size =1681 drv->trans->trans_cfg->base_params->max_event_log_size;1682 fw->init_errlog_ptr = pieces->init_errlog_ptr;1683 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr;1684 if (pieces->inst_evtlog_size)1685 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12;1686 else1687 fw->inst_evtlog_size =1688 drv->trans->trans_cfg->base_params->max_event_log_size;1689 fw->inst_errlog_ptr = pieces->inst_errlog_ptr;1690 1691 /*1692 * figure out the offset of chain noise reset and gain commands1693 * base on the size of standard phy calibration commands table size1694 */1695 if (fw->ucode_capa.standard_phy_calibration_size >1696 IWL_MAX_PHY_CALIBRATE_TBL_SIZE)1697 fw->ucode_capa.standard_phy_calibration_size =1698 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE;1699 1700 /* We have our copies now, allow OS release its copies */1701 release_firmware(ucode_raw);1702 1703 iwl_dbg_tlv_load_bin(drv->trans->dev, drv->trans);1704 1705 mutex_lock(&iwlwifi_opmode_table_mtx);1706 switch (fw->type) {1707 case IWL_FW_DVM:1708 op = &iwlwifi_opmode_table[DVM_OP_MODE];1709 break;1710 default:1711 WARN(1, "Invalid fw type %d\n", fw->type);1712 fallthrough;1713 case IWL_FW_MVM:1714 op = &iwlwifi_opmode_table[MVM_OP_MODE];1715 break;1716 }1717 1718 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n",1719 drv->fw.fw_version, op->name);1720 1721 /* add this device to the list of devices using this op_mode */1722 list_add_tail(&drv->list, &op->drv);1723 1724 if (op->ops) {1725 drv->op_mode = _iwl_op_mode_start(drv, op);1726 1727 if (!drv->op_mode) {1728 mutex_unlock(&iwlwifi_opmode_table_mtx);1729 goto out_unbind;1730 }1731 } else {1732 request_module_nowait("%s", op->name);1733 }1734 mutex_unlock(&iwlwifi_opmode_table_mtx);1735 1736 complete(&drv->request_firmware_complete);1737 1738 failure = false;1739 goto free;1740 1741 try_again:1742 /* try next, if any */1743 release_firmware(ucode_raw);1744 if (iwl_request_firmware(drv, false))1745 goto out_unbind;1746 goto free;1747 1748 out_free_fw:1749 release_firmware(ucode_raw);1750 out_unbind:1751 complete(&drv->request_firmware_complete);1752 device_release_driver(drv->trans->dev);1753 /* drv has just been freed by the release */1754 failure = false;1755 free:1756 if (failure)1757 iwl_dealloc_ucode(drv);1758 1759 if (pieces) {1760 for (i = 0; i < ARRAY_SIZE(pieces->img); i++)1761 kfree(pieces->img[i].sec);1762 kfree(pieces->dbg_mem_tlv);1763 kfree(pieces);1764 }1765}1766 1767struct iwl_drv *iwl_drv_start(struct iwl_trans *trans)1768{1769 struct iwl_drv *drv;1770 int ret;1771 1772 drv = kzalloc(sizeof(*drv), GFP_KERNEL);1773 if (!drv) {1774 ret = -ENOMEM;1775 goto err;1776 }1777 1778 drv->trans = trans;1779 drv->dev = trans->dev;1780 1781 init_completion(&drv->request_firmware_complete);1782 INIT_LIST_HEAD(&drv->list);1783 1784#ifdef CONFIG_IWLWIFI_DEBUGFS1785 /* Create the device debugfs entries. */1786 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev),1787 iwl_dbgfs_root);1788 1789 /* Create transport layer debugfs dir */1790 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv);1791#endif1792 1793 drv->trans->dbg.domains_bitmap = IWL_TRANS_FW_DBG_DOMAIN(drv->trans);1794 if (iwlwifi_mod_params.enable_ini != ENABLE_INI) {1795 /* We have a non-default value in the module parameter,1796 * take its value1797 */1798 drv->trans->dbg.domains_bitmap &= 0xffff;1799 if (iwlwifi_mod_params.enable_ini != IWL_FW_INI_PRESET_DISABLE) {1800 if (iwlwifi_mod_params.enable_ini > ENABLE_INI) {1801 IWL_ERR(trans,1802 "invalid enable_ini module parameter value: max = %d, using 0 instead\n",1803 ENABLE_INI);1804 iwlwifi_mod_params.enable_ini = 0;1805 }1806 drv->trans->dbg.domains_bitmap =1807 BIT(IWL_FW_DBG_DOMAIN_POS + iwlwifi_mod_params.enable_ini);1808 }1809 }1810 1811 ret = iwl_request_firmware(drv, true);1812 if (ret) {1813 IWL_ERR(trans, "Couldn't request the fw\n");1814 goto err_fw;1815 }1816 1817 return drv;1818 1819err_fw:1820#ifdef CONFIG_IWLWIFI_DEBUGFS1821 debugfs_remove_recursive(drv->dbgfs_drv);1822#endif1823 iwl_dbg_tlv_free(drv->trans);1824 kfree(drv);1825err:1826 return ERR_PTR(ret);1827}1828 1829void iwl_drv_stop(struct iwl_drv *drv)1830{1831 wait_for_completion(&drv->request_firmware_complete);1832 1833 mutex_lock(&iwlwifi_opmode_table_mtx);1834 1835 _iwl_op_mode_stop(drv);1836 1837 iwl_dealloc_ucode(drv);1838 1839 /*1840 * List is empty (this item wasn't added)1841 * when firmware loading failed -- in that1842 * case we can't remove it from any list.1843 */1844 if (!list_empty(&drv->list))1845 list_del(&drv->list);1846 mutex_unlock(&iwlwifi_opmode_table_mtx);1847 1848#ifdef CONFIG_IWLWIFI_DEBUGFS1849 iwl_trans_debugfs_cleanup(drv->trans);1850 1851 debugfs_remove_recursive(drv->dbgfs_drv);1852#endif1853 1854 iwl_dbg_tlv_free(drv->trans);1855 1856 kfree(drv);1857}1858 1859/* shared module parameters */1860struct iwl_mod_params iwlwifi_mod_params = {1861 .fw_restart = true,1862 .bt_coex_active = true,1863 .power_level = IWL_POWER_INDEX_1,1864 .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT,1865 .enable_ini = ENABLE_INI,1866 /* the rest are 0 by default */1867};1868IWL_EXPORT_SYMBOL(iwlwifi_mod_params);1869 1870int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops)1871{1872 int i;1873 struct iwl_drv *drv;1874 struct iwlwifi_opmode_table *op;1875 1876 mutex_lock(&iwlwifi_opmode_table_mtx);1877 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {1878 op = &iwlwifi_opmode_table[i];1879 if (strcmp(op->name, name))1880 continue;1881 op->ops = ops;1882 /* TODO: need to handle exceptional case */1883 list_for_each_entry(drv, &op->drv, list)1884 drv->op_mode = _iwl_op_mode_start(drv, op);1885 1886 mutex_unlock(&iwlwifi_opmode_table_mtx);1887 return 0;1888 }1889 mutex_unlock(&iwlwifi_opmode_table_mtx);1890 return -EIO;1891}1892IWL_EXPORT_SYMBOL(iwl_opmode_register);1893 1894void iwl_opmode_deregister(const char *name)1895{1896 int i;1897 struct iwl_drv *drv;1898 1899 mutex_lock(&iwlwifi_opmode_table_mtx);1900 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {1901 if (strcmp(iwlwifi_opmode_table[i].name, name))1902 continue;1903 iwlwifi_opmode_table[i].ops = NULL;1904 1905 /* call the stop routine for all devices */1906 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list)1907 _iwl_op_mode_stop(drv);1908 1909 mutex_unlock(&iwlwifi_opmode_table_mtx);1910 return;1911 }1912 mutex_unlock(&iwlwifi_opmode_table_mtx);1913}1914IWL_EXPORT_SYMBOL(iwl_opmode_deregister);1915 1916static int __init iwl_drv_init(void)1917{1918 int i, err;1919 1920 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++)1921 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv);1922 1923 pr_info(DRV_DESCRIPTION "\n");1924 1925#ifdef CONFIG_IWLWIFI_DEBUGFS1926 /* Create the root of iwlwifi debugfs subsystem. */1927 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL);1928#endif1929 1930 err = iwl_pci_register_driver();1931 if (err)1932 goto cleanup_debugfs;1933 1934 return 0;1935 1936cleanup_debugfs:1937#ifdef CONFIG_IWLWIFI_DEBUGFS1938 debugfs_remove_recursive(iwl_dbgfs_root);1939#endif1940 return err;1941}1942module_init(iwl_drv_init);1943 1944static void __exit iwl_drv_exit(void)1945{1946 iwl_pci_unregister_driver();1947 1948#ifdef CONFIG_IWLWIFI_DEBUGFS1949 debugfs_remove_recursive(iwl_dbgfs_root);1950#endif1951}1952module_exit(iwl_drv_exit);1953 1954#ifdef CONFIG_IWLWIFI_DEBUG1955module_param_named(debug, iwlwifi_mod_params.debug_level, uint, 0644);1956MODULE_PARM_DESC(debug, "debug output mask");1957#endif1958 1959module_param_named(swcrypto, iwlwifi_mod_params.swcrypto, int, 0444);1960MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");1961module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, 0444);1962MODULE_PARM_DESC(11n_disable,1963 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX");1964module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, int, 0444);1965MODULE_PARM_DESC(amsdu_size,1966 "amsdu size 0: 12K for multi Rx queue devices, 2K for AX210 devices, "1967 "4K for other devices 1:4K 2:8K 3:12K (16K buffers) 4: 2K (default 0)");1968module_param_named(fw_restart, iwlwifi_mod_params.fw_restart, bool, 0444);1969MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)");1970 1971module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, 0444);1972MODULE_PARM_DESC(nvm_file, "NVM file name");1973 1974module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, uint, 0644);1975MODULE_PARM_DESC(uapsd_disable,1976 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)");1977 1978module_param_named(enable_ini, iwlwifi_mod_params.enable_ini, uint, 0444);1979MODULE_PARM_DESC(enable_ini,1980 "0:disable, 1-15:FW_DBG_PRESET Values, 16:enabled without preset value defined,"1981 "Debug INI TLV FW debug infrastructure (default: 16)");1982 1983/*1984 * set bt_coex_active to true, uCode will do kill/defer1985 * every time the priority line is asserted (BT is sending signals on the1986 * priority line in the PCIx).1987 * set bt_coex_active to false, uCode will ignore the BT activity and1988 * perform the normal operation1989 *1990 * User might experience transmit issue on some platform due to WiFi/BT1991 * co-exist problem. The possible behaviors are:1992 * Able to scan and finding all the available AP1993 * Not able to associate with any AP1994 * On those platforms, WiFi communication can be restored by set1995 * "bt_coex_active" module parameter to "false"1996 *1997 * default: bt_coex_active = true (BT_COEX_ENABLE)1998 */1999module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active,2000 bool, 0444);2001MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)");2002 2003module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, 0444);2004MODULE_PARM_DESC(led_mode, "0=system default, "2005 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");2006 2007module_param_named(power_save, iwlwifi_mod_params.power_save, bool, 0444);2008MODULE_PARM_DESC(power_save,2009 "enable WiFi power management (default: disable)");2010 2011module_param_named(power_level, iwlwifi_mod_params.power_level, int, 0444);2012MODULE_PARM_DESC(power_level,2013 "default power save level (range from 1 - 5, default: 1)");2014 2015module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, 0444);2016MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)");2017 2018module_param_named(remove_when_gone,2019 iwlwifi_mod_params.remove_when_gone, bool,2020 0444);2021MODULE_PARM_DESC(remove_when_gone,2022 "Remove dev from PCIe bus if it is deemed inaccessible (default: false)");2023 2024module_param_named(disable_11ax, iwlwifi_mod_params.disable_11ax, bool,2025 S_IRUGO);2026MODULE_PARM_DESC(disable_11ax, "Disable HE capabilities (default: false)");2027 2028module_param_named(disable_11be, iwlwifi_mod_params.disable_11be, bool, 0444);2029MODULE_PARM_DESC(disable_11be, "Disable EHT capabilities (default: false)");2030