| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Johannes Berg | 3364 | 37.11% | 41 | 27.89% |
| David Spinadel | 1437 | 15.85% | 6 | 4.08% |
| Emmanuel Grumbach | 726 | 8.01% | 25 | 17.01% |
| Golan Ben-Ami | 485 | 5.35% | 6 | 4.08% |
| Sara Sharon | 447 | 4.93% | 7 | 4.76% |
| Eran Harary | 444 | 4.90% | 5 | 3.40% |
| Liad Kaufman | 422 | 4.66% | 5 | 3.40% |
| Don Fry | 347 | 3.83% | 1 | 0.68% |
| Meenakshi Venkataraman | 312 | 3.44% | 1 | 0.68% |
| Luciano Coelho | 206 | 2.27% | 12 | 8.16% |
| Shahar S Matityahu | 202 | 2.23% | 9 | 6.12% |
| Ayala Barazani | 135 | 1.49% | 1 | 0.68% |
| Matti Gottlieb | 117 | 1.29% | 1 | 0.68% |
| Mordechai Goodstein | 103 | 1.14% | 2 | 1.36% |
| Nathan Errera | 74 | 0.82% | 1 | 0.68% |
| Dror Moshe | 67 | 0.74% | 1 | 0.68% |
| Bjoern A. Zeeb | 56 | 0.62% | 1 | 0.68% |
| Andrei Otcheretianski | 18 | 0.20% | 1 | 0.68% |
| Haim Dreyfuss | 14 | 0.15% | 3 | 2.04% |
| Matt Chen | 14 | 0.15% | 1 | 0.68% |
| Lior Cohen | 13 | 0.14% | 1 | 0.68% |
| Joe Perches | 12 | 0.13% | 1 | 0.68% |
| Alexey Dobriyan | 8 | 0.09% | 1 | 0.68% |
| Dan Carpenter | 8 | 0.09% | 1 | 0.68% |
| Chris Rorvick | 6 | 0.07% | 1 | 0.68% |
| Sharon Dvir | 6 | 0.07% | 1 | 0.68% |
| Zheng Yongjun | 4 | 0.04% | 1 | 0.68% |
| Avraham Stern | 3 | 0.03% | 1 | 0.68% |
| Mukesh Sisodiya | 3 | 0.03% | 1 | 0.68% |
| Lee Jones | 2 | 0.02% | 1 | 0.68% |
| Mike Golant | 2 | 0.02% | 1 | 0.68% |
| Gustavo A. R. Silva | 2 | 0.02% | 1 | 0.68% |
| João Paulo Rechi Vita | 2 | 0.02% | 1 | 0.68% |
| Max Stepanov | 1 | 0.01% | 1 | 0.68% |
| Takashi Iwai | 1 | 0.01% | 1 | 0.68% |
| Roee Goldfiner | 1 | 0.01% | 1 | 0.68% |
| Christoph Böhmwalder | 1 | 0.01% | 1 | 0.68% |
| Total | 9065 | 147 |
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause /* * Copyright (C) 2005-2014, 2018-2021 Intel Corporation * Copyright (C) 2013-2015 Intel Mobile Communications GmbH * Copyright (C) 2016-2017 Intel Deutschland GmbH */ #include <linux/completion.h> #include <linux/dma-mapping.h> #include <linux/firmware.h> #include <linux/module.h> #include <linux/vmalloc.h> #include "iwl-drv.h" #include "iwl-csr.h" #include "iwl-debug.h" #include "iwl-trans.h" #include "iwl-op-mode.h" #include "iwl-agn-hw.h" #include "fw/img.h" #include "iwl-dbg-tlv.h" #include "iwl-config.h" #include "iwl-modparams.h" #include "fw/api/alive.h" #include "fw/api/mac.h" /****************************************************************************** * * module boiler plate * ******************************************************************************/ #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux" MODULE_DESCRIPTION(DRV_DESCRIPTION); MODULE_LICENSE("GPL"); #ifdef CONFIG_IWLWIFI_DEBUGFS static struct dentry *iwl_dbgfs_root; #endif /** * struct iwl_drv - drv common data * @list: list of drv structures using this opmode * @fw: the iwl_fw structure * @op_mode: the running op_mode * @trans: transport layer * @dev: for debug prints only * @fw_index: firmware revision to try loading * @firmware_name: composite filename of ucode file to load * @request_firmware_complete: the firmware has been obtained from user space * @dbgfs_drv: debugfs root directory entry * @dbgfs_trans: debugfs transport directory entry * @dbgfs_op_mode: debugfs op_mode directory entry */ struct iwl_drv { struct list_head list; struct iwl_fw fw; struct iwl_op_mode *op_mode; struct iwl_trans *trans; struct device *dev; int fw_index; /* firmware we're trying to load */ char firmware_name[64]; /* name of firmware file to load */ struct completion request_firmware_complete; #ifdef CONFIG_IWLWIFI_DEBUGFS struct dentry *dbgfs_drv; struct dentry *dbgfs_trans; struct dentry *dbgfs_op_mode; #endif }; enum { DVM_OP_MODE, MVM_OP_MODE, }; /* Protects the table contents, i.e. the ops pointer & drv list */ static DEFINE_MUTEX(iwlwifi_opmode_table_mtx); static struct iwlwifi_opmode_table { const char *name; /* name: iwldvm, iwlmvm, etc */ const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */ struct list_head drv; /* list of devices using this op_mode */ } iwlwifi_opmode_table[] = { /* ops set when driver is initialized */ [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL }, [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL }, }; #define IWL_DEFAULT_SCAN_CHANNELS 40 /* * struct fw_sec: Just for the image parsing process. * For the fw storage we are using struct fw_desc. */ struct fw_sec { const void *data; /* the sec data */ size_t size; /* section size */ u32 offset; /* offset of writing in the device */ }; static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc) { vfree(desc->data); desc->data = NULL; desc->len = 0; } static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img) { int i; for (i = 0; i < img->num_sec; i++) iwl_free_fw_desc(drv, &img->sec[i]); kfree(img->sec); } static void iwl_dealloc_ucode(struct iwl_drv *drv) { int i; kfree(drv->fw.dbg.dest_tlv); for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) kfree(drv->fw.dbg.conf_tlv[i]); for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) kfree(drv->fw.dbg.trigger_tlv[i]); kfree(drv->fw.dbg.mem_tlv); kfree(drv->fw.iml); kfree(drv->fw.ucode_capa.cmd_versions); kfree(drv->fw.phy_integration_ver); for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) iwl_free_fw_img(drv, drv->fw.img + i); /* clear the data for the aborted load case */ memset(&drv->fw, 0, sizeof(drv->fw)); } static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc, struct fw_sec *sec) { void *data; desc->data = NULL; if (!sec || !sec->size) return -EINVAL; data = vmalloc(sec->size); if (!data) return -ENOMEM; desc->len = sec->size; desc->offset = sec->offset; memcpy(data, sec->data, desc->len); desc->data = data; return 0; } static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context); static int iwl_request_firmware(struct iwl_drv *drv, bool first) { const struct iwl_cfg *cfg = drv->trans->cfg; char tag[8]; if (drv->trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_9000 && (drv->trans->hw_rev_step != SILICON_B_STEP && drv->trans->hw_rev_step != SILICON_C_STEP)) { IWL_ERR(drv, "Only HW steps B and C are currently supported (0x%0x)\n", drv->trans->hw_rev); return -EINVAL; } if (first) { drv->fw_index = cfg->ucode_api_max; sprintf(tag, "%d", drv->fw_index); } else { drv->fw_index--; sprintf(tag, "%d", drv->fw_index); } if (drv->fw_index < cfg->ucode_api_min) { IWL_ERR(drv, "no suitable firmware found!\n"); if (cfg->ucode_api_min == cfg->ucode_api_max) { IWL_ERR(drv, "%s%d is required\n", cfg->fw_name_pre, cfg->ucode_api_max); } else { IWL_ERR(drv, "minimum version required: %s%d\n", cfg->fw_name_pre, cfg->ucode_api_min); IWL_ERR(drv, "maximum version supported: %s%d\n", cfg->fw_name_pre, cfg->ucode_api_max); } IWL_ERR(drv, "check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git\n"); return -ENOENT; } snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode", cfg->fw_name_pre, tag); IWL_DEBUG_FW_INFO(drv, "attempting to load firmware '%s'\n", drv->firmware_name); return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name, drv->trans->dev, GFP_KERNEL, drv, iwl_req_fw_callback); } struct fw_img_parsing { struct fw_sec *sec; int sec_counter; }; /* * struct fw_sec_parsing: to extract fw section and it's offset from tlv */ struct fw_sec_parsing { __le32 offset; const u8 data[]; } __packed; /** * struct iwl_tlv_calib_data - parse the default calib data from TLV * * @ucode_type: the uCode to which the following default calib relates. * @calib: default calibrations. */ struct iwl_tlv_calib_data { __le32 ucode_type; struct iwl_tlv_calib_ctrl calib; } __packed; struct iwl_firmware_pieces { struct fw_img_parsing img[IWL_UCODE_TYPE_MAX]; u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; /* FW debug data parsed for driver usage */ bool dbg_dest_tlv_init; const u8 *dbg_dest_ver; union { const struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv; const struct iwl_fw_dbg_dest_tlv_v1 *dbg_dest_tlv_v1; }; const struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX]; size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX]; const struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX]; size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX]; struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv; size_t n_mem_tlv; }; /* * These functions are just to extract uCode section data from the pieces * structure. */ static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces, enum iwl_ucode_type type, int sec) { return &pieces->img[type].sec[sec]; } static void alloc_sec_data(struct iwl_firmware_pieces *pieces, enum iwl_ucode_type type, int sec) { struct fw_img_parsing *img = &pieces->img[type]; struct fw_sec *sec_memory; int size = sec + 1; size_t alloc_size = sizeof(*img->sec) * size; if (img->sec && img->sec_counter >= size) return; sec_memory = krealloc(img->sec, alloc_size, GFP_KERNEL); if (!sec_memory) return; img->sec = sec_memory; img->sec_counter = size; } static void set_sec_data(struct iwl_firmware_pieces *pieces, enum iwl_ucode_type type, int sec, const void *data) { alloc_sec_data(pieces, type, sec); pieces->img[type].sec[sec].data = data; } static void set_sec_size(struct iwl_firmware_pieces *pieces, enum iwl_ucode_type type, int sec, size_t size) { alloc_sec_data(pieces, type, sec); pieces->img[type].sec[sec].size = size; } static size_t get_sec_size(struct iwl_firmware_pieces *pieces, enum iwl_ucode_type type, int sec) { return pieces->img[type].sec[sec].size; } static void set_sec_offset(struct iwl_firmware_pieces *pieces, enum iwl_ucode_type type, int sec, u32 offset) { alloc_sec_data(pieces, type, sec); pieces->img[type].sec[sec].offset = offset; } /* * Gets uCode section from tlv. */ static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces, const void *data, enum iwl_ucode_type type, int size) { struct fw_img_parsing *img; struct fw_sec *sec; const struct fw_sec_parsing *sec_parse; size_t alloc_size; if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX)) return -1; sec_parse = (const struct fw_sec_parsing *)data; img = &pieces->img[type]; alloc_size = sizeof(*img->sec) * (img->sec_counter + 1); sec = krealloc(img->sec, alloc_size, GFP_KERNEL); if (!sec) return -ENOMEM; img->sec = sec; sec = &img->sec[img->sec_counter]; sec->offset = le32_to_cpu(sec_parse->offset); sec->data = sec_parse->data; sec->size = size - sizeof(sec_parse->offset); ++img->sec_counter; return 0; } static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data) { const struct iwl_tlv_calib_data *def_calib = (const struct iwl_tlv_calib_data *)data; u32 ucode_type = le32_to_cpu(def_calib->ucode_type); if (ucode_type >= IWL_UCODE_TYPE_MAX) { IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n", ucode_type); return -EINVAL; } drv->fw.default_calib[ucode_type].flow_trigger = def_calib->calib.flow_trigger; drv->fw.default_calib[ucode_type].event_trigger = def_calib->calib.event_trigger; return 0; } static void iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data, struct iwl_ucode_capabilities *capa) { const struct iwl_ucode_api *ucode_api = (const void *)data; u32 api_index = le32_to_cpu(ucode_api->api_index); u32 api_flags = le32_to_cpu(ucode_api->api_flags); int i; if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) { IWL_WARN(drv, "api flags index %d larger than supported by driver\n", api_index); return; } for (i = 0; i < 32; i++) { if (api_flags & BIT(i)) __set_bit(i + 32 * api_index, capa->_api); } } static void iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data, struct iwl_ucode_capabilities *capa) { const struct iwl_ucode_capa *ucode_capa = (const void *)data; u32 api_index = le32_to_cpu(ucode_capa->api_index); u32 api_flags = le32_to_cpu(ucode_capa->api_capa); int i; if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) { IWL_WARN(drv, "capa flags index %d larger than supported by driver\n", api_index); return; } for (i = 0; i < 32; i++) { if (api_flags & BIT(i)) __set_bit(i + 32 * api_index, capa->_capa); } } static const char *iwl_reduced_fw_name(struct iwl_drv *drv) { const char *name = drv->firmware_name; if (strncmp(name, "iwlwifi-", 8) == 0) name += 8; return name; } static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv, const struct firmware *ucode_raw, struct iwl_firmware_pieces *pieces) { const struct iwl_ucode_header *ucode = (const void *)ucode_raw->data; u32 api_ver, hdr_size, build; char buildstr[25]; const u8 *src; drv->fw.ucode_ver = le32_to_cpu(ucode->ver); api_ver = IWL_UCODE_API(drv->fw.ucode_ver); switch (api_ver) { default: hdr_size = 28; if (ucode_raw->size < hdr_size) { IWL_ERR(drv, "File size too small!\n"); return -EINVAL; } build = le32_to_cpu(ucode->u.v2.build); set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, le32_to_cpu(ucode->u.v2.inst_size)); set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, le32_to_cpu(ucode->u.v2.data_size)); set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, le32_to_cpu(ucode->u.v2.init_size)); set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, le32_to_cpu(ucode->u.v2.init_data_size)); src = ucode->u.v2.data; break; case 0: case 1: case 2: hdr_size = 24; if (ucode_raw->size < hdr_size) { IWL_ERR(drv, "File size too small!\n"); return -EINVAL; } build = 0; set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, le32_to_cpu(ucode->u.v1.inst_size)); set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, le32_to_cpu(ucode->u.v1.data_size)); set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, le32_to_cpu(ucode->u.v1.init_size)); set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, le32_to_cpu(ucode->u.v1.init_data_size)); src = ucode->u.v1.data; break; } if (build) sprintf(buildstr, " build %u", build); else buildstr[0] = '\0'; snprintf(drv->fw.fw_version, sizeof(drv->fw.fw_version), "%u.%u.%u.%u%s %s", IWL_UCODE_MAJOR(drv->fw.ucode_ver), IWL_UCODE_MINOR(drv->fw.ucode_ver), IWL_UCODE_API(drv->fw.ucode_ver), IWL_UCODE_SERIAL(drv->fw.ucode_ver), buildstr, iwl_reduced_fw_name(drv)); /* Verify size of file vs. image size info in file's header */ if (ucode_raw->size != hdr_size + get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) + get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) + get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) + get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { IWL_ERR(drv, "uCode file size %d does not match expected size\n", (int)ucode_raw->size); return -EINVAL; } set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src); src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST); set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, IWLAGN_RTC_INST_LOWER_BOUND); set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src); src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA); set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, IWLAGN_RTC_DATA_LOWER_BOUND); set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src); src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST); set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, IWLAGN_RTC_INST_LOWER_BOUND); set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src); src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA); set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, IWLAGN_RTC_DATA_LOWER_BOUND); return 0; } static void iwl_drv_set_dump_exclude(struct iwl_drv *drv, enum iwl_ucode_tlv_type tlv_type, const void *tlv_data, u32 tlv_len) { const struct iwl_fw_dump_exclude *fw = tlv_data; struct iwl_dump_exclude *excl; if (tlv_len < sizeof(*fw)) return; if (tlv_type == IWL_UCODE_TLV_SEC_TABLE_ADDR) { excl = &drv->fw.dump_excl[0]; /* second time we find this, it's for WoWLAN */ if (excl->addr) excl = &drv->fw.dump_excl_wowlan[0]; } else if (fw_has_capa(&drv->fw.ucode_capa, IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG)) { /* IWL_UCODE_TLV_D3_KEK_KCK_ADDR is regular image */ excl = &drv->fw.dump_excl[0]; } else { /* IWL_UCODE_TLV_D3_KEK_KCK_ADDR is WoWLAN image */ excl = &drv->fw.dump_excl_wowlan[0]; } if (excl->addr) excl++; if (excl->addr) { IWL_DEBUG_FW_INFO(drv, "found too many excludes in fw file\n"); return; } excl->addr = le32_to_cpu(fw->addr) & ~FW_ADDR_CACHE_CONTROL; excl->size = le32_to_cpu(fw->size); } static void iwl_parse_dbg_tlv_assert_tables(struct iwl_drv *drv, const struct iwl_ucode_tlv *tlv) { const struct iwl_fw_ini_region_tlv *region; u32 length = le32_to_cpu(tlv->length); u32 addr; if (length < offsetof(typeof(*region), special_mem) + sizeof(region->special_mem)) return; region = (const void *)tlv->data; addr = le32_to_cpu(region->special_mem.base_addr); addr += le32_to_cpu(region->special_mem.offset); addr &= ~FW_ADDR_CACHE_CONTROL; if (region->type != IWL_FW_INI_REGION_SPECIAL_DEVICE_MEMORY) return; switch (region->sub_type) { case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_UMAC_ERROR_TABLE: drv->trans->dbg.umac_error_event_table = addr; drv->trans->dbg.error_event_table_tlv_status |= IWL_ERROR_EVENT_TABLE_UMAC; break; case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_LMAC_1_ERROR_TABLE: drv->trans->dbg.lmac_error_event_table[0] = addr; drv->trans->dbg.error_event_table_tlv_status |= IWL_ERROR_EVENT_TABLE_LMAC1; break; case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_LMAC_2_ERROR_TABLE: drv->trans->dbg.lmac_error_event_table[1] = addr; drv->trans->dbg.error_event_table_tlv_status |= IWL_ERROR_EVENT_TABLE_LMAC2; break; case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_TCM_1_ERROR_TABLE: drv->trans->dbg.tcm_error_event_table[0] = addr; drv->trans->dbg.error_event_table_tlv_status |= IWL_ERROR_EVENT_TABLE_TCM1; break; case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_TCM_2_ERROR_TABLE: drv->trans->dbg.tcm_error_event_table[1] = addr; drv->trans->dbg.error_event_table_tlv_status |= IWL_ERROR_EVENT_TABLE_TCM2; break; case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_RCM_1_ERROR_TABLE: drv->trans->dbg.rcm_error_event_table[0] = addr; drv->trans->dbg.error_event_table_tlv_status |= IWL_ERROR_EVENT_TABLE_RCM1; break; case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_RCM_2_ERROR_TABLE: drv->trans->dbg.rcm_error_event_table[1] = addr; drv->trans->dbg.error_event_table_tlv_status |= IWL_ERROR_EVENT_TABLE_RCM2; break; default: break; } } static int iwl_parse_tlv_firmware(struct iwl_drv *drv, const struct firmware *ucode_raw, struct iwl_firmware_pieces *pieces, struct iwl_ucode_capabilities *capa, bool *usniffer_images) { const struct iwl_tlv_ucode_header *ucode = (const void *)ucode_raw->data; const struct iwl_ucode_tlv *tlv; size_t len = ucode_raw->size; const u8 *data; u32 tlv_len; u32 usniffer_img; enum iwl_ucode_tlv_type tlv_type; const u8 *tlv_data; char buildstr[25]; u32 build, paging_mem_size; int num_of_cpus; bool usniffer_req = false; if (len < sizeof(*ucode)) { IWL_ERR(drv, "uCode has invalid length: %zd\n", len); return -EINVAL; } if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { IWL_ERR(drv, "invalid uCode magic: 0X%x\n", le32_to_cpu(ucode->magic)); return -EINVAL; } drv->fw.ucode_ver = le32_to_cpu(ucode->ver); memcpy(drv->fw.human_readable, ucode->human_readable, sizeof(drv->fw.human_readable)); build = le32_to_cpu(ucode->build); if (build) sprintf(buildstr, " build %u", build); else buildstr[0] = '\0'; snprintf(drv->fw.fw_version, sizeof(drv->fw.fw_version), "%u.%u.%u.%u%s %s", IWL_UCODE_MAJOR(drv->fw.ucode_ver), IWL_UCODE_MINOR(drv->fw.ucode_ver), IWL_UCODE_API(drv->fw.ucode_ver), IWL_UCODE_SERIAL(drv->fw.ucode_ver), buildstr, iwl_reduced_fw_name(drv)); data = ucode->data; len -= sizeof(*ucode); while (len >= sizeof(*tlv)) { len -= sizeof(*tlv); tlv = (const void *)data; tlv_len = le32_to_cpu(tlv->length); tlv_type = le32_to_cpu(tlv->type); tlv_data = tlv->data; if (len < tlv_len) { IWL_ERR(drv, "invalid TLV len: %zd/%u\n", len, tlv_len); return -EINVAL; } len -= ALIGN(tlv_len, 4); data += sizeof(*tlv) + ALIGN(tlv_len, 4); switch (tlv_type) { case IWL_UCODE_TLV_INST: set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, tlv_data); set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, tlv_len); set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, IWLAGN_RTC_INST_LOWER_BOUND); break; case IWL_UCODE_TLV_DATA: set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, tlv_data); set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, tlv_len); set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, IWLAGN_RTC_DATA_LOWER_BOUND); break; case IWL_UCODE_TLV_INIT: set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, tlv_data); set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, tlv_len); set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, IWLAGN_RTC_INST_LOWER_BOUND); break; case IWL_UCODE_TLV_INIT_DATA: set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, tlv_data); set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, tlv_len); set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, IWLAGN_RTC_DATA_LOWER_BOUND); break; case IWL_UCODE_TLV_BOOT: IWL_ERR(drv, "Found unexpected BOOT ucode\n"); break; case IWL_UCODE_TLV_PROBE_MAX_LEN: if (tlv_len != sizeof(u32)) goto invalid_tlv_len; capa->max_probe_length = le32_to_cpup((const __le32 *)tlv_data); break; case IWL_UCODE_TLV_PAN: if (tlv_len) goto invalid_tlv_len; capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; break; case IWL_UCODE_TLV_FLAGS: /* must be at least one u32 */ if (tlv_len < sizeof(u32)) goto invalid_tlv_len; /* and a proper number of u32s */ if (tlv_len % sizeof(u32)) goto invalid_tlv_len; /* * This driver only reads the first u32 as * right now no more features are defined, * if that changes then either the driver * will not work with the new firmware, or * it'll not take advantage of new features. */ capa->flags = le32_to_cpup((const __le32 *)tlv_data); break; case IWL_UCODE_TLV_API_CHANGES_SET: if (tlv_len != sizeof(struct iwl_ucode_api)) goto invalid_tlv_len; iwl_set_ucode_api_flags(drv, tlv_data, capa); break; case IWL_UCODE_TLV_ENABLED_CAPABILITIES: if (tlv_len != sizeof(struct iwl_ucode_capa)) goto invalid_tlv_len; iwl_set_ucode_capabilities(drv, tlv_data, capa); break; case IWL_UCODE_TLV_INIT_EVTLOG_PTR: if (tlv_len != sizeof(u32)) goto invalid_tlv_len; pieces->init_evtlog_ptr = le32_to_cpup((const __le32 *)tlv_data); break; case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: if (tlv_len != sizeof(u32)) goto invalid_tlv_len; pieces->init_evtlog_size = le32_to_cpup((const __le32 *)tlv_data); break; case IWL_UCODE_TLV_INIT_ERRLOG_PTR: if (tlv_len != sizeof(u32)) goto invalid_tlv_len; pieces->init_errlog_ptr = le32_to_cpup((const __le32 *)tlv_data); break; case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: if (tlv_len != sizeof(u32)) goto invalid_tlv_len; pieces->inst_evtlog_ptr = le32_to_cpup((const __le32 *)tlv_data); break; case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: if (tlv_len != sizeof(u32)) goto invalid_tlv_len; pieces->inst_evtlog_size = le32_to_cpup((const __le32 *)tlv_data); break; case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: if (tlv_len != sizeof(u32)) goto invalid_tlv_len; pieces->inst_errlog_ptr = le32_to_cpup((const __le32 *)tlv_data); break; case IWL_UCODE_TLV_ENHANCE_SENS_TBL: if (tlv_len) goto invalid_tlv_len; drv->fw.enhance_sensitivity_table = true; break; case IWL_UCODE_TLV_WOWLAN_INST: set_sec_data(pieces, IWL_UCODE_WOWLAN, IWL_UCODE_SECTION_INST, tlv_data); set_sec_size(pieces, IWL_UCODE_WOWLAN, IWL_UCODE_SECTION_INST, tlv_len); set_sec_offset(pieces, IWL_UCODE_WOWLAN, IWL_UCODE_SECTION_INST, IWLAGN_RTC_INST_LOWER_BOUND); break; case IWL_UCODE_TLV_WOWLAN_DATA: set_sec_data(pieces, IWL_UCODE_WOWLAN, IWL_UCODE_SECTION_DATA, tlv_data); set_sec_size(pieces, IWL_UCODE_WOWLAN, IWL_UCODE_SECTION_DATA, tlv_len); set_sec_offset(pieces, IWL_UCODE_WOWLAN, IWL_UCODE_SECTION_DATA, IWLAGN_RTC_DATA_LOWER_BOUND); break; case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: if (tlv_len != sizeof(u32)) goto invalid_tlv_len; capa->standard_phy_calibration_size = le32_to_cpup((const __le32 *)tlv_data); break; case IWL_UCODE_TLV_SEC_RT: iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, tlv_len); drv->fw.type = IWL_FW_MVM; break; case IWL_UCODE_TLV_SEC_INIT: iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, tlv_len); drv->fw.type = IWL_FW_MVM; break; case IWL_UCODE_TLV_SEC_WOWLAN: iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, tlv_len); drv->fw.type = IWL_FW_MVM; break; case IWL_UCODE_TLV_DEF_CALIB: if (tlv_len != sizeof(struct iwl_tlv_calib_data)) goto invalid_tlv_len; if (iwl_set_default_calib(drv, tlv_data)) goto tlv_error; break; case IWL_UCODE_TLV_PHY_SKU: if (tlv_len != sizeof(u32)) goto invalid_tlv_len; drv->fw.phy_config = le32_to_cpup((const __le32 *)tlv_data); drv->fw.valid_tx_ant = (drv->fw.phy_config & FW_PHY_CFG_TX_CHAIN) >> FW_PHY_CFG_TX_CHAIN_POS; drv->fw.valid_rx_ant = (drv->fw.phy_config & FW_PHY_CFG_RX_CHAIN) >> FW_PHY_CFG_RX_CHAIN_POS; break; case IWL_UCODE_TLV_SECURE_SEC_RT: iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, tlv_len); drv->fw.type = IWL_FW_MVM; break; case IWL_UCODE_TLV_SECURE_SEC_INIT: iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, tlv_len); drv->fw.type = IWL_FW_MVM; break; case IWL_UCODE_TLV_SECURE_SEC_WOWLAN: iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, tlv_len); drv->fw.type = IWL_FW_MVM; break; case IWL_UCODE_TLV_NUM_OF_CPU: if (tlv_len != sizeof(u32)) goto invalid_tlv_len; num_of_cpus = le32_to_cpup((const __le32 *)tlv_data); if (num_of_cpus == 2) { drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus = true; drv->fw.img[IWL_UCODE_INIT].is_dual_cpus = true; drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus = true; } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) { IWL_ERR(drv, "Driver support upto 2 CPUs\n"); return -EINVAL; } break; case IWL_UCODE_TLV_N_SCAN_CHANNELS: if (tlv_len != sizeof(u32)) goto invalid_tlv_len; capa->n_scan_channels = le32_to_cpup((const __le32 *)tlv_data); break; case IWL_UCODE_TLV_FW_VERSION: { const __le32 *ptr = (const void *)tlv_data; u32 major, minor; u8 local_comp; if (tlv_len != sizeof(u32) * 3) goto invalid_tlv_len; major = le32_to_cpup(ptr++); minor = le32_to_cpup(ptr++); local_comp = le32_to_cpup(ptr); if (major >= 35) snprintf(drv->fw.fw_version, sizeof(drv->fw.fw_version), "%u.%08x.%u %s", major, minor, local_comp, iwl_reduced_fw_name(drv)); else snprintf(drv->fw.fw_version, sizeof(drv->fw.fw_version), "%u.%u.%u %s", major, minor, local_comp, iwl_reduced_fw_name(drv)); break; } case IWL_UCODE_TLV_FW_DBG_DEST: { const struct iwl_fw_dbg_dest_tlv *dest = NULL; const struct iwl_fw_dbg_dest_tlv_v1 *dest_v1 = NULL; u8 mon_mode; pieces->dbg_dest_ver = (const u8 *)tlv_data; if (*pieces->dbg_dest_ver == 1) { dest = (const void *)tlv_data; } else if (*pieces->dbg_dest_ver == 0) { dest_v1 = (const void *)tlv_data; } else { IWL_ERR(drv, "The version is %d, and it is invalid\n", *pieces->dbg_dest_ver); break; } if (pieces->dbg_dest_tlv_init) { IWL_ERR(drv, "dbg destination ignored, already exists\n"); break; } pieces->dbg_dest_tlv_init = true; if (dest_v1) { pieces->dbg_dest_tlv_v1 = dest_v1; mon_mode = dest_v1->monitor_mode; } else { pieces->dbg_dest_tlv = dest; mon_mode = dest->monitor_mode; } IWL_INFO(drv, "Found debug destination: %s\n", get_fw_dbg_mode_string(mon_mode)); drv->fw.dbg.n_dest_reg = (dest_v1) ? tlv_len - offsetof(struct iwl_fw_dbg_dest_tlv_v1, reg_ops) : tlv_len - offsetof(struct iwl_fw_dbg_dest_tlv, reg_ops); drv->fw.dbg.n_dest_reg /= sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]); break; } case IWL_UCODE_TLV_FW_DBG_CONF: { const struct iwl_fw_dbg_conf_tlv *conf = (const void *)tlv_data; if (!pieces->dbg_dest_tlv_init) { IWL_ERR(drv, "Ignore dbg config %d - no destination configured\n", conf->id); break; } if (conf->id >= ARRAY_SIZE(drv->fw.dbg.conf_tlv)) { IWL_ERR(drv, "Skip unknown configuration: %d\n", conf->id); break; } if (pieces->dbg_conf_tlv[conf->id]) { IWL_ERR(drv, "Ignore duplicate dbg config %d\n", conf->id); break; } if (conf->usniffer) usniffer_req = true; IWL_INFO(drv, "Found debug configuration: %d\n", conf->id); pieces->dbg_conf_tlv[conf->id] = conf; pieces->dbg_conf_tlv_len[conf->id] = tlv_len; break; } case IWL_UCODE_TLV_FW_DBG_TRIGGER: { const struct iwl_fw_dbg_trigger_tlv *trigger = (const void *)tlv_data; u32 trigger_id = le32_to_cpu(trigger->id); if (trigger_id >= ARRAY_SIZE(drv->fw.dbg.trigger_tlv)) { IWL_ERR(drv, "Skip unknown trigger: %u\n", trigger->id); break; } if (pieces->dbg_trigger_tlv[trigger_id]) { IWL_ERR(drv, "Ignore duplicate dbg trigger %u\n", trigger->id); break; } IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id); pieces->dbg_trigger_tlv[trigger_id] = trigger; pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len; break; } case IWL_UCODE_TLV_FW_DBG_DUMP_LST: { if (tlv_len != sizeof(u32)) { IWL_ERR(drv, "dbg lst mask size incorrect, skip\n"); break; } drv->fw.dbg.dump_mask = le32_to_cpup((const __le32 *)tlv_data); break; } case IWL_UCODE_TLV_SEC_RT_USNIFFER: *usniffer_images = true; iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR_USNIFFER, tlv_len); break; case IWL_UCODE_TLV_PAGING: if (tlv_len != sizeof(u32)) goto invalid_tlv_len; paging_mem_size = le32_to_cpup((const __le32 *)tlv_data); IWL_DEBUG_FW(drv, "Paging: paging enabled (size = %u bytes)\n", paging_mem_size); if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) { IWL_ERR(drv, "Paging: driver supports up to %lu bytes for paging image\n", MAX_PAGING_IMAGE_SIZE); return -EINVAL; } if (paging_mem_size & (FW_PAGING_SIZE - 1)) { IWL_ERR(drv, "Paging: image isn't multiple %lu\n", FW_PAGING_SIZE); return -EINVAL; } drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size = paging_mem_size; usniffer_img = IWL_UCODE_REGULAR_USNIFFER; drv->fw.img[usniffer_img].paging_mem_size = paging_mem_size; break; case IWL_UCODE_TLV_FW_GSCAN_CAPA: /* ignored */ break; case IWL_UCODE_TLV_FW_MEM_SEG: { const struct iwl_fw_dbg_mem_seg_tlv *dbg_mem = (const void *)tlv_data; size_t size; struct iwl_fw_dbg_mem_seg_tlv *n; if (tlv_len != (sizeof(*dbg_mem))) goto invalid_tlv_len; IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n", dbg_mem->data_type); size = sizeof(*pieces->dbg_mem_tlv) * (pieces->n_mem_tlv + 1); n = krealloc(pieces->dbg_mem_tlv, size, GFP_KERNEL); if (!n) return -ENOMEM; pieces->dbg_mem_tlv = n; pieces->dbg_mem_tlv[pieces->n_mem_tlv] = *dbg_mem; pieces->n_mem_tlv++; break; } case IWL_UCODE_TLV_IML: { drv->fw.iml_len = tlv_len; drv->fw.iml = kmemdup(tlv_data, tlv_len, GFP_KERNEL); if (!drv->fw.iml) return -ENOMEM; break; } case IWL_UCODE_TLV_FW_RECOVERY_INFO: { const struct { __le32 buf_addr; __le32 buf_size; } *recov_info = (const void *)tlv_data; if (tlv_len != sizeof(*recov_info)) goto invalid_tlv_len; capa->error_log_addr = le32_to_cpu(recov_info->buf_addr); capa->error_log_size = le32_to_cpu(recov_info->buf_size); } break; case IWL_UCODE_TLV_FW_FSEQ_VERSION: { const struct { u8 version[32]; u8 sha1[20]; } *fseq_ver = (const void *)tlv_data; if (tlv_len != sizeof(*fseq_ver)) goto invalid_tlv_len; IWL_INFO(drv, "TLV_FW_FSEQ_VERSION: %s\n", fseq_ver->version); } break; case IWL_UCODE_TLV_FW_NUM_STATIONS: if (tlv_len != sizeof(u32)) goto invalid_tlv_len; if (le32_to_cpup((const __le32 *)tlv_data) > IWL_MVM_STATION_COUNT_MAX) { IWL_ERR(drv, "%d is an invalid number of station\n", le32_to_cpup((const __le32 *)tlv_data)); goto tlv_error; } capa->num_stations = le32_to_cpup((const __le32 *)tlv_data); break; case IWL_UCODE_TLV_UMAC_DEBUG_ADDRS: { const struct iwl_umac_debug_addrs *dbg_ptrs = (const void *)tlv_data; if (tlv_len != sizeof(*dbg_ptrs)) goto invalid_tlv_len; if (drv->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_22000) break; drv->trans->dbg.umac_error_event_table = le32_to_cpu(dbg_ptrs->error_info_addr) & ~FW_ADDR_CACHE_CONTROL; drv->trans->dbg.error_event_table_tlv_status |= IWL_ERROR_EVENT_TABLE_UMAC; break; } case IWL_UCODE_TLV_LMAC_DEBUG_ADDRS: { const struct iwl_lmac_debug_addrs *dbg_ptrs = (const void *)tlv_data; if (tlv_len != sizeof(*dbg_ptrs)) goto invalid_tlv_len; if (drv->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_22000) break; drv->trans->dbg.lmac_error_event_table[0] = le32_to_cpu(dbg_ptrs->error_event_table_ptr) & ~FW_ADDR_CACHE_CONTROL; drv->trans->dbg.error_event_table_tlv_status |= IWL_ERROR_EVENT_TABLE_LMAC1; break; } case IWL_UCODE_TLV_TYPE_REGIONS: iwl_parse_dbg_tlv_assert_tables(drv, tlv); fallthrough; case IWL_UCODE_TLV_TYPE_DEBUG_INFO: case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION: case IWL_UCODE_TLV_TYPE_HCMD: case IWL_UCODE_TLV_TYPE_TRIGGERS: case IWL_UCODE_TLV_TYPE_CONF_SET: if (iwlwifi_mod_params.enable_ini) iwl_dbg_tlv_alloc(drv->trans, tlv, false); break; case IWL_UCODE_TLV_CMD_VERSIONS: if (tlv_len % sizeof(struct iwl_fw_cmd_version)) { IWL_ERR(drv, "Invalid length for command versions: %u\n", tlv_len); tlv_len /= sizeof(struct iwl_fw_cmd_version); tlv_len *= sizeof(struct iwl_fw_cmd_version); } if (WARN_ON(capa->cmd_versions)) return -EINVAL; capa->cmd_versions = kmemdup(tlv_data, tlv_len, GFP_KERNEL); if (!capa->cmd_versions) return -ENOMEM; capa->n_cmd_versions = tlv_len / sizeof(struct iwl_fw_cmd_version); break; case IWL_UCODE_TLV_PHY_INTEGRATION_VERSION: if (drv->fw.phy_integration_ver) { IWL_ERR(drv, "phy integration str ignored, already exists\n"); break; } drv->fw.phy_integration_ver = kmemdup(tlv_data, tlv_len, GFP_KERNEL); if (!drv->fw.phy_integration_ver) return -ENOMEM; drv->fw.phy_integration_ver_len = tlv_len; break; case IWL_UCODE_TLV_SEC_TABLE_ADDR: case IWL_UCODE_TLV_D3_KEK_KCK_ADDR: iwl_drv_set_dump_exclude(drv, tlv_type, tlv_data, tlv_len); break; default: IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); break; } } if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) && usniffer_req && !*usniffer_images) { IWL_ERR(drv, "user selected to work with usniffer but usniffer image isn't available in ucode package\n"); return -EINVAL; } if (len) { IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); iwl_print_hex_dump(drv, IWL_DL_FW, data, len); return -EINVAL; } return 0; invalid_tlv_len: IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); tlv_error: iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); return -EINVAL; } static int iwl_alloc_ucode(struct iwl_drv *drv, struct iwl_firmware_pieces *pieces, enum iwl_ucode_type type) { int i; struct fw_desc *sec; sec = kcalloc(pieces->img[type].sec_counter, sizeof(*sec), GFP_KERNEL); if (!sec) return -ENOMEM; drv->fw.img[type].sec = sec; drv->fw.img[type].num_sec = pieces->img[type].sec_counter; for (i = 0; i < pieces->img[type].sec_counter; i++) if (iwl_alloc_fw_desc(drv, &sec[i], get_sec(pieces, type, i))) return -ENOMEM; return 0; } static int validate_sec_sizes(struct iwl_drv *drv, struct iwl_firmware_pieces *pieces, const struct iwl_cfg *cfg) { IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %zd\n", get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST)); IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %zd\n", get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA)); IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %zd\n", get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %zd\n", get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); /* Verify that uCode images will fit in card's SRAM. */ if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > cfg->max_inst_size) { IWL_ERR(drv, "uCode instr len %zd too large to fit in\n", get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST)); return -1; } if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > cfg->max_data_size) { IWL_ERR(drv, "uCode data len %zd too large to fit in\n", get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA)); return -1; } if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > cfg->max_inst_size) { IWL_ERR(drv, "uCode init instr len %zd too large to fit in\n", get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); return -1; } if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > cfg->max_data_size) { IWL_ERR(drv, "uCode init data len %zd too large to fit in\n", get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA)); return -1; } return 0; } static struct iwl_op_mode * _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op) { const struct iwl_op_mode_ops *ops = op->ops; struct dentry *dbgfs_dir = NULL; struct iwl_op_mode *op_mode = NULL; int retry, max_retry = !!iwlwifi_mod_params.fw_restart * IWL_MAX_INIT_RETRY; for (retry = 0; retry <= max_retry; retry++) { #ifdef CONFIG_IWLWIFI_DEBUGFS drv->dbgfs_op_mode = debugfs_create_dir(op->name, drv->dbgfs_drv); dbgfs_dir = drv->dbgfs_op_mode; #endif op_mode = ops->start(drv->trans, drv->trans->cfg, &drv->fw, dbgfs_dir); if (op_mode) return op_mode; IWL_ERR(drv, "retry init count %d\n", retry); #ifdef CONFIG_IWLWIFI_DEBUGFS debugfs_remove_recursive(drv->dbgfs_op_mode); drv->dbgfs_op_mode = NULL; #endif } return NULL; } static void _iwl_op_mode_stop(struct iwl_drv *drv) { /* op_mode can be NULL if its start failed */ if (drv->op_mode) { iwl_op_mode_stop(drv->op_mode); drv->op_mode = NULL; #ifdef CONFIG_IWLWIFI_DEBUGFS debugfs_remove_recursive(drv->dbgfs_op_mode); drv->dbgfs_op_mode = NULL; #endif } } /* * iwl_req_fw_callback - callback when firmware was loaded * * If loaded successfully, copies the firmware into buffers * for the card to fetch (via DMA). */ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) { struct iwl_drv *drv = context; struct iwl_fw *fw = &drv->fw; const struct iwl_ucode_header *ucode; struct iwlwifi_opmode_table *op; int err; struct iwl_firmware_pieces *pieces; const unsigned int api_max = drv->trans->cfg->ucode_api_max; const unsigned int api_min = drv->trans->cfg->ucode_api_min; size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX]; u32 api_ver; int i; bool load_module = false; bool usniffer_images = false; bool failure = true; fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH; fw->ucode_capa.standard_phy_calibration_size = IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS; fw->ucode_capa.num_stations = IWL_MVM_STATION_COUNT_MAX; /* dump all fw memory areas by default */ fw->dbg.dump_mask = 0xffffffff; pieces = kzalloc(sizeof(*pieces), GFP_KERNEL); if (!pieces) goto out_free_fw; if (!ucode_raw) goto try_again; IWL_DEBUG_FW_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n", drv->firmware_name, ucode_raw->size); /* Make sure that we got at least the API version number */ if (ucode_raw->size < 4) { IWL_ERR(drv, "File size way too small!\n"); goto try_again; } /* Data from ucode file: header followed by uCode images */ ucode = (const struct iwl_ucode_header *)ucode_raw->data; if (ucode->ver) err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces); else err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces, &fw->ucode_capa, &usniffer_images); if (err) goto try_again; if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION)) api_ver = drv->fw.ucode_ver; else api_ver = IWL_UCODE_API(drv->fw.ucode_ver); /* * api_ver should match the api version forming part of the * firmware filename ... but we don't check for that and only rely * on the API version read from firmware header from here on forward */ if (api_ver < api_min || api_ver > api_max) { IWL_ERR(drv, "Driver unable to support your firmware API. " "Driver supports v%u, firmware is v%u.\n", api_max, api_ver); goto try_again; } /* * In mvm uCode there is no difference between data and instructions * sections. */ if (fw->type == IWL_FW_DVM && validate_sec_sizes(drv, pieces, drv->trans->cfg)) goto try_again; /* Allocate ucode buffers for card's bus-master loading ... */ /* Runtime instructions and 2 copies of data: * 1) unmodified from disk * 2) backup cache for save/restore during power-downs */ for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) if (iwl_alloc_ucode(drv, pieces, i)) goto out_free_fw; if (pieces->dbg_dest_tlv_init) { size_t dbg_dest_size = sizeof(*drv->fw.dbg.dest_tlv) + sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * drv->fw.dbg.n_dest_reg; drv->fw.dbg.dest_tlv = kmalloc(dbg_dest_size, GFP_KERNEL); if (!drv->fw.dbg.dest_tlv) goto out_free_fw; if (*pieces->dbg_dest_ver == 0) { memcpy(drv->fw.dbg.dest_tlv, pieces->dbg_dest_tlv_v1, dbg_dest_size); } else { struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv = drv->fw.dbg.dest_tlv; dest_tlv->version = pieces->dbg_dest_tlv->version; dest_tlv->monitor_mode = pieces->dbg_dest_tlv->monitor_mode; dest_tlv->size_power = pieces->dbg_dest_tlv->size_power; dest_tlv->wrap_count = pieces->dbg_dest_tlv->wrap_count; dest_tlv->write_ptr_reg = pieces->dbg_dest_tlv->write_ptr_reg; dest_tlv->base_shift = pieces->dbg_dest_tlv->base_shift; memcpy(dest_tlv->reg_ops, pieces->dbg_dest_tlv->reg_ops, sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) * drv->fw.dbg.n_dest_reg); /* In version 1 of the destination tlv, which is * relevant for internal buffer exclusively, * the base address is part of given with the length * of the buffer, and the size shift is give instead of * end shift. We now store these values in base_reg, * and end shift, and when dumping the data we'll * manipulate it for extracting both the length and * base address */ dest_tlv->base_reg = pieces->dbg_dest_tlv->cfg_reg; dest_tlv->end_shift = pieces->dbg_dest_tlv->size_shift; } } for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) { if (pieces->dbg_conf_tlv[i]) { drv->fw.dbg.conf_tlv[i] = kmemdup(pieces->dbg_conf_tlv[i], pieces->dbg_conf_tlv_len[i], GFP_KERNEL); if (!drv->fw.dbg.conf_tlv[i]) goto out_free_fw; } } memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz)); trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] = sizeof(struct iwl_fw_dbg_trigger_missed_bcon); trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0; trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] = sizeof(struct iwl_fw_dbg_trigger_cmd); trigger_tlv_sz[FW_DBG_TRIGGER_MLME] = sizeof(struct iwl_fw_dbg_trigger_mlme); trigger_tlv_sz[FW_DBG_TRIGGER_STATS] = sizeof(struct iwl_fw_dbg_trigger_stats); trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] = sizeof(struct iwl_fw_dbg_trigger_low_rssi); trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] = sizeof(struct iwl_fw_dbg_trigger_txq_timer); trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] = sizeof(struct iwl_fw_dbg_trigger_time_event); trigger_tlv_sz[FW_DBG_TRIGGER_BA] = sizeof(struct iwl_fw_dbg_trigger_ba); trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] = sizeof(struct iwl_fw_dbg_trigger_tdls); for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) { if (pieces->dbg_trigger_tlv[i]) { /* * If the trigger isn't long enough, WARN and exit. * Someone is trying to debug something and he won't * be able to catch the bug he is trying to chase. * We'd better be noisy to be sure he knows what's * going on. */ if (WARN_ON(pieces->dbg_trigger_tlv_len[i] < (trigger_tlv_sz[i] + sizeof(struct iwl_fw_dbg_trigger_tlv)))) goto out_free_fw; drv->fw.dbg.trigger_tlv_len[i] = pieces->dbg_trigger_tlv_len[i]; drv->fw.dbg.trigger_tlv[i] = kmemdup(pieces->dbg_trigger_tlv[i], drv->fw.dbg.trigger_tlv_len[i], GFP_KERNEL); if (!drv->fw.dbg.trigger_tlv[i]) goto out_free_fw; } } /* Now that we can no longer fail, copy information */ drv->fw.dbg.mem_tlv = pieces->dbg_mem_tlv; pieces->dbg_mem_tlv = NULL; drv->fw.dbg.n_mem_tlv = pieces->n_mem_tlv; /* * The (size - 16) / 12 formula is based on the information recorded * for each event, which is of mode 1 (including timestamp) for all * new microcodes that include this information. */ fw->init_evtlog_ptr = pieces->init_evtlog_ptr; if (pieces->init_evtlog_size) fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12; else fw->init_evtlog_size = drv->trans->trans_cfg->base_params->max_event_log_size; fw->init_errlog_ptr = pieces->init_errlog_ptr; fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr; if (pieces->inst_evtlog_size) fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12; else fw->inst_evtlog_size = drv->trans->trans_cfg->base_params->max_event_log_size; fw->inst_errlog_ptr = pieces->inst_errlog_ptr; /* * figure out the offset of chain noise reset and gain commands * base on the size of standard phy calibration commands table size */ if (fw->ucode_capa.standard_phy_calibration_size > IWL_MAX_PHY_CALIBRATE_TBL_SIZE) fw->ucode_capa.standard_phy_calibration_size = IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; /* We have our copies now, allow OS release its copies */ release_firmware(ucode_raw); iwl_dbg_tlv_load_bin(drv->trans->dev, drv->trans); mutex_lock(&iwlwifi_opmode_table_mtx); switch (fw->type) { case IWL_FW_DVM: op = &iwlwifi_opmode_table[DVM_OP_MODE]; break; default: WARN(1, "Invalid fw type %d\n", fw->type); fallthrough; case IWL_FW_MVM: op = &iwlwifi_opmode_table[MVM_OP_MODE]; break; } IWL_INFO(drv, "loaded firmware version %s op_mode %s\n", drv->fw.fw_version, op->name); /* add this device to the list of devices using this op_mode */ list_add_tail(&drv->list, &op->drv); if (op->ops) { drv->op_mode = _iwl_op_mode_start(drv, op); if (!drv->op_mode) { mutex_unlock(&iwlwifi_opmode_table_mtx); goto out_unbind; } } else { load_module = true; } mutex_unlock(&iwlwifi_opmode_table_mtx); /* * Complete the firmware request last so that * a driver unbind (stop) doesn't run while we * are doing the start() above. */ complete(&drv->request_firmware_complete); /* * Load the module last so we don't block anything * else from proceeding if the module fails to load * or hangs loading. */ if (load_module) request_module("%s", op->name); failure = false; goto free; try_again: /* try next, if any */ release_firmware(ucode_raw); if (iwl_request_firmware(drv, false)) goto out_unbind; goto free; out_free_fw: release_firmware(ucode_raw); out_unbind: complete(&drv->request_firmware_complete); device_release_driver(drv->trans->dev); /* drv has just been freed by the release */ failure = false; free: if (failure) iwl_dealloc_ucode(drv); if (pieces) { for (i = 0; i < ARRAY_SIZE(pieces->img); i++) kfree(pieces->img[i].sec); kfree(pieces->dbg_mem_tlv); kfree(pieces); } } struct iwl_drv *iwl_drv_start(struct iwl_trans *trans) { struct iwl_drv *drv; int ret; drv = kzalloc(sizeof(*drv), GFP_KERNEL); if (!drv) { ret = -ENOMEM; goto err; } drv->trans = trans; drv->dev = trans->dev; init_completion(&drv->request_firmware_complete); INIT_LIST_HEAD(&drv->list); #ifdef CONFIG_IWLWIFI_DEBUGFS /* Create the device debugfs entries. */ drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev), iwl_dbgfs_root); /* Create transport layer debugfs dir */ drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv); #endif drv->trans->dbg.domains_bitmap = IWL_TRANS_FW_DBG_DOMAIN(drv->trans); ret = iwl_request_firmware(drv, true); if (ret) { IWL_ERR(trans, "Couldn't request the fw\n"); goto err_fw; } return drv; err_fw: #ifdef CONFIG_IWLWIFI_DEBUGFS debugfs_remove_recursive(drv->dbgfs_drv); iwl_dbg_tlv_free(drv->trans); #endif kfree(drv); err: return ERR_PTR(ret); } void iwl_drv_stop(struct iwl_drv *drv) { wait_for_completion(&drv->request_firmware_complete); _iwl_op_mode_stop(drv); iwl_dealloc_ucode(drv); mutex_lock(&iwlwifi_opmode_table_mtx); /* * List is empty (this item wasn't added) * when firmware loading failed -- in that * case we can't remove it from any list. */ if (!list_empty(&drv->list)) list_del(&drv->list); mutex_unlock(&iwlwifi_opmode_table_mtx); #ifdef CONFIG_IWLWIFI_DEBUGFS drv->trans->ops->debugfs_cleanup(drv->trans); debugfs_remove_recursive(drv->dbgfs_drv); #endif iwl_dbg_tlv_free(drv->trans); kfree(drv); } #define ENABLE_INI (IWL_DBG_TLV_MAX_PRESET + 1) /* shared module parameters */ struct iwl_mod_params iwlwifi_mod_params = { .fw_restart = true, .bt_coex_active = true, .power_level = IWL_POWER_INDEX_1, .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT, .enable_ini = ENABLE_INI, /* the rest are 0 by default */ }; IWL_EXPORT_SYMBOL(iwlwifi_mod_params); int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops) { int i; struct iwl_drv *drv; struct iwlwifi_opmode_table *op; mutex_lock(&iwlwifi_opmode_table_mtx); for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { op = &iwlwifi_opmode_table[i]; if (strcmp(op->name, name)) continue; op->ops = ops; /* TODO: need to handle exceptional case */ list_for_each_entry(drv, &op->drv, list) drv->op_mode = _iwl_op_mode_start(drv, op); mutex_unlock(&iwlwifi_opmode_table_mtx); return 0; } mutex_unlock(&iwlwifi_opmode_table_mtx); return -EIO; } IWL_EXPORT_SYMBOL(iwl_opmode_register); void iwl_opmode_deregister(const char *name) { int i; struct iwl_drv *drv; mutex_lock(&iwlwifi_opmode_table_mtx); for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { if (strcmp(iwlwifi_opmode_table[i].name, name)) continue; iwlwifi_opmode_table[i].ops = NULL; /* call the stop routine for all devices */ list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list) _iwl_op_mode_stop(drv); mutex_unlock(&iwlwifi_opmode_table_mtx); return; } mutex_unlock(&iwlwifi_opmode_table_mtx); } IWL_EXPORT_SYMBOL(iwl_opmode_deregister); static int __init iwl_drv_init(void) { int i, err; for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv); pr_info(DRV_DESCRIPTION "\n"); #ifdef CONFIG_IWLWIFI_DEBUGFS /* Create the root of iwlwifi debugfs subsystem. */ iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL); #endif err = iwl_pci_register_driver(); if (err) goto cleanup_debugfs; return 0; cleanup_debugfs: #ifdef CONFIG_IWLWIFI_DEBUGFS debugfs_remove_recursive(iwl_dbgfs_root); #endif return err; } module_init(iwl_drv_init); static void __exit iwl_drv_exit(void) { iwl_pci_unregister_driver(); #ifdef CONFIG_IWLWIFI_DEBUGFS debugfs_remove_recursive(iwl_dbgfs_root); #endif } module_exit(iwl_drv_exit); #ifdef CONFIG_IWLWIFI_DEBUG module_param_named(debug, iwlwifi_mod_params.debug_level, uint, 0644); MODULE_PARM_DESC(debug, "debug output mask"); #endif module_param_named(swcrypto, iwlwifi_mod_params.swcrypto, int, 0444); MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, 0444); MODULE_PARM_DESC(11n_disable, "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX"); module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, int, 0444); MODULE_PARM_DESC(amsdu_size, "amsdu size 0: 12K for multi Rx queue devices, 2K for AX210 devices, " "4K for other devices 1:4K 2:8K 3:12K (16K buffers) 4: 2K (default 0)"); module_param_named(fw_restart, iwlwifi_mod_params.fw_restart, bool, 0444); MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)"); module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, 0444); MODULE_PARM_DESC(nvm_file, "NVM file name"); module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, uint, 0644); MODULE_PARM_DESC(uapsd_disable, "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)"); static int enable_ini_set(const char *arg, const struct kernel_param *kp) { int ret = 0; bool res; __u32 new_enable_ini; /* in case the argument type is a number */ ret = kstrtou32(arg, 0, &new_enable_ini); if (!ret) { if (new_enable_ini > ENABLE_INI) { pr_err("enable_ini cannot be %d, in range 0-16\n", new_enable_ini); return -EINVAL; } goto out; } /* in case the argument type is boolean */ ret = kstrtobool(arg, &res); if (ret) return ret; new_enable_ini = (res ? ENABLE_INI : 0); out: iwlwifi_mod_params.enable_ini = new_enable_ini; return 0; } static const struct kernel_param_ops enable_ini_ops = { .set = enable_ini_set }; module_param_cb(enable_ini, &enable_ini_ops, &iwlwifi_mod_params.enable_ini, 0644); MODULE_PARM_DESC(enable_ini, "0:disable, 1-15:FW_DBG_PRESET Values, 16:enabled without preset value defined," "Debug INI TLV FW debug infrastructure (default: 16)"); /* * set bt_coex_active to true, uCode will do kill/defer * every time the priority line is asserted (BT is sending signals on the * priority line in the PCIx). * set bt_coex_active to false, uCode will ignore the BT activity and * perform the normal operation * * User might experience transmit issue on some platform due to WiFi/BT * co-exist problem. The possible behaviors are: * Able to scan and finding all the available AP * Not able to associate with any AP * On those platforms, WiFi communication can be restored by set * "bt_coex_active" module parameter to "false" * * default: bt_coex_active = true (BT_COEX_ENABLE) */ module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active, bool, 0444); MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, 0444); MODULE_PARM_DESC(led_mode, "0=system default, " "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); module_param_named(power_save, iwlwifi_mod_params.power_save, bool, 0444); MODULE_PARM_DESC(power_save, "enable WiFi power management (default: disable)"); module_param_named(power_level, iwlwifi_mod_params.power_level, int, 0444); MODULE_PARM_DESC(power_level, "default power save level (range from 1 - 5, default: 1)"); module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, 0444); MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)"); module_param_named(remove_when_gone, iwlwifi_mod_params.remove_when_gone, bool, 0444); MODULE_PARM_DESC(remove_when_gone, "Remove dev from PCIe bus if it is deemed inaccessible (default: false)"); module_param_named(disable_11ax, iwlwifi_mod_params.disable_11ax, bool, S_IRUGO); MODULE_PARM_DESC(disable_11ax, "Disable HE capabilities (default: false)");
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