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1855 lines
51 KiB
1855 lines
51 KiB
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause |
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/* |
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* Copyright (C) 2005-2014, 2018-2020 Intel Corporation |
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* Copyright (C) 2013-2015 Intel Mobile Communications GmbH |
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* Copyright (C) 2016-2017 Intel Deutschland GmbH |
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*/ |
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#include <linux/completion.h> |
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#include <linux/dma-mapping.h> |
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#include <linux/firmware.h> |
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#include <linux/module.h> |
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#include <linux/vmalloc.h> |
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#include "iwl-drv.h" |
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#include "iwl-csr.h" |
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#include "iwl-debug.h" |
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#include "iwl-trans.h" |
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#include "iwl-op-mode.h" |
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#include "iwl-agn-hw.h" |
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#include "fw/img.h" |
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#include "iwl-dbg-tlv.h" |
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#include "iwl-config.h" |
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#include "iwl-modparams.h" |
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#include "fw/api/alive.h" |
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#include "fw/api/mac.h" |
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/****************************************************************************** |
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* |
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* module boiler plate |
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* |
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******************************************************************************/ |
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#define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux" |
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MODULE_DESCRIPTION(DRV_DESCRIPTION); |
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MODULE_AUTHOR(DRV_AUTHOR); |
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MODULE_LICENSE("GPL"); |
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#ifdef CONFIG_IWLWIFI_DEBUGFS |
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static struct dentry *iwl_dbgfs_root; |
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#endif |
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/** |
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* struct iwl_drv - drv common data |
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* @list: list of drv structures using this opmode |
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* @fw: the iwl_fw structure |
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* @op_mode: the running op_mode |
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* @trans: transport layer |
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* @dev: for debug prints only |
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* @fw_index: firmware revision to try loading |
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* @firmware_name: composite filename of ucode file to load |
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* @request_firmware_complete: the firmware has been obtained from user space |
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* @dbgfs_drv: debugfs root directory entry |
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* @dbgfs_trans: debugfs transport directory entry |
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* @dbgfs_op_mode: debugfs op_mode directory entry |
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*/ |
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struct iwl_drv { |
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struct list_head list; |
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struct iwl_fw fw; |
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struct iwl_op_mode *op_mode; |
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struct iwl_trans *trans; |
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struct device *dev; |
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int fw_index; /* firmware we're trying to load */ |
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char firmware_name[64]; /* name of firmware file to load */ |
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struct completion request_firmware_complete; |
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#ifdef CONFIG_IWLWIFI_DEBUGFS |
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struct dentry *dbgfs_drv; |
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struct dentry *dbgfs_trans; |
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struct dentry *dbgfs_op_mode; |
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#endif |
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}; |
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enum { |
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DVM_OP_MODE, |
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MVM_OP_MODE, |
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}; |
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/* Protects the table contents, i.e. the ops pointer & drv list */ |
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static struct mutex iwlwifi_opmode_table_mtx; |
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static struct iwlwifi_opmode_table { |
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const char *name; /* name: iwldvm, iwlmvm, etc */ |
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const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */ |
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struct list_head drv; /* list of devices using this op_mode */ |
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} iwlwifi_opmode_table[] = { /* ops set when driver is initialized */ |
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[DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL }, |
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[MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL }, |
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}; |
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#define IWL_DEFAULT_SCAN_CHANNELS 40 |
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/* |
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* struct fw_sec: Just for the image parsing process. |
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* For the fw storage we are using struct fw_desc. |
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*/ |
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struct fw_sec { |
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const void *data; /* the sec data */ |
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size_t size; /* section size */ |
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u32 offset; /* offset of writing in the device */ |
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}; |
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static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc) |
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{ |
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vfree(desc->data); |
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desc->data = NULL; |
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desc->len = 0; |
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} |
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static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img) |
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{ |
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int i; |
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for (i = 0; i < img->num_sec; i++) |
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iwl_free_fw_desc(drv, &img->sec[i]); |
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kfree(img->sec); |
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} |
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static void iwl_dealloc_ucode(struct iwl_drv *drv) |
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{ |
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int i; |
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kfree(drv->fw.dbg.dest_tlv); |
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for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) |
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kfree(drv->fw.dbg.conf_tlv[i]); |
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for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) |
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kfree(drv->fw.dbg.trigger_tlv[i]); |
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kfree(drv->fw.dbg.mem_tlv); |
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kfree(drv->fw.iml); |
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kfree(drv->fw.ucode_capa.cmd_versions); |
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kfree(drv->fw.phy_integration_ver); |
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for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) |
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iwl_free_fw_img(drv, drv->fw.img + i); |
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} |
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static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc, |
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struct fw_sec *sec) |
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{ |
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void *data; |
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desc->data = NULL; |
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if (!sec || !sec->size) |
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return -EINVAL; |
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data = vmalloc(sec->size); |
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if (!data) |
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return -ENOMEM; |
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desc->len = sec->size; |
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desc->offset = sec->offset; |
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memcpy(data, sec->data, desc->len); |
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desc->data = data; |
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return 0; |
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} |
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static void iwl_req_fw_callback(const struct firmware *ucode_raw, |
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void *context); |
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static int iwl_request_firmware(struct iwl_drv *drv, bool first) |
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{ |
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const struct iwl_cfg *cfg = drv->trans->cfg; |
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char tag[8]; |
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if (drv->trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_9000 && |
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(CSR_HW_REV_STEP(drv->trans->hw_rev) != SILICON_B_STEP && |
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CSR_HW_REV_STEP(drv->trans->hw_rev) != SILICON_C_STEP)) { |
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IWL_ERR(drv, |
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"Only HW steps B and C are currently supported (0x%0x)\n", |
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drv->trans->hw_rev); |
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return -EINVAL; |
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} |
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if (first) { |
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drv->fw_index = cfg->ucode_api_max; |
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sprintf(tag, "%d", drv->fw_index); |
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} else { |
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drv->fw_index--; |
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sprintf(tag, "%d", drv->fw_index); |
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} |
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if (drv->fw_index < cfg->ucode_api_min) { |
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IWL_ERR(drv, "no suitable firmware found!\n"); |
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if (cfg->ucode_api_min == cfg->ucode_api_max) { |
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IWL_ERR(drv, "%s%d is required\n", cfg->fw_name_pre, |
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cfg->ucode_api_max); |
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} else { |
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IWL_ERR(drv, "minimum version required: %s%d\n", |
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cfg->fw_name_pre, cfg->ucode_api_min); |
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IWL_ERR(drv, "maximum version supported: %s%d\n", |
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cfg->fw_name_pre, cfg->ucode_api_max); |
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} |
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IWL_ERR(drv, |
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"check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git\n"); |
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return -ENOENT; |
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} |
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snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode", |
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cfg->fw_name_pre, tag); |
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IWL_DEBUG_FW_INFO(drv, "attempting to load firmware '%s'\n", |
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drv->firmware_name); |
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return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name, |
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drv->trans->dev, |
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GFP_KERNEL, drv, iwl_req_fw_callback); |
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} |
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struct fw_img_parsing { |
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struct fw_sec *sec; |
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int sec_counter; |
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}; |
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/* |
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* struct fw_sec_parsing: to extract fw section and it's offset from tlv |
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*/ |
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struct fw_sec_parsing { |
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__le32 offset; |
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const u8 data[]; |
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} __packed; |
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/** |
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* struct iwl_tlv_calib_data - parse the default calib data from TLV |
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* |
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* @ucode_type: the uCode to which the following default calib relates. |
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* @calib: default calibrations. |
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*/ |
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struct iwl_tlv_calib_data { |
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__le32 ucode_type; |
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struct iwl_tlv_calib_ctrl calib; |
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} __packed; |
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struct iwl_firmware_pieces { |
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struct fw_img_parsing img[IWL_UCODE_TYPE_MAX]; |
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u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; |
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u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; |
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/* FW debug data parsed for driver usage */ |
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bool dbg_dest_tlv_init; |
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u8 *dbg_dest_ver; |
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union { |
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struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv; |
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struct iwl_fw_dbg_dest_tlv_v1 *dbg_dest_tlv_v1; |
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}; |
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struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX]; |
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size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX]; |
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struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX]; |
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size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX]; |
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struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv; |
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size_t n_mem_tlv; |
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}; |
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/* |
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* These functions are just to extract uCode section data from the pieces |
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* structure. |
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*/ |
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static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces, |
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enum iwl_ucode_type type, |
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int sec) |
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{ |
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return &pieces->img[type].sec[sec]; |
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} |
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static void alloc_sec_data(struct iwl_firmware_pieces *pieces, |
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enum iwl_ucode_type type, |
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int sec) |
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{ |
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struct fw_img_parsing *img = &pieces->img[type]; |
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struct fw_sec *sec_memory; |
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int size = sec + 1; |
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size_t alloc_size = sizeof(*img->sec) * size; |
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if (img->sec && img->sec_counter >= size) |
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return; |
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sec_memory = krealloc(img->sec, alloc_size, GFP_KERNEL); |
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if (!sec_memory) |
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return; |
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img->sec = sec_memory; |
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img->sec_counter = size; |
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} |
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static void set_sec_data(struct iwl_firmware_pieces *pieces, |
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enum iwl_ucode_type type, |
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int sec, |
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const void *data) |
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{ |
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alloc_sec_data(pieces, type, sec); |
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pieces->img[type].sec[sec].data = data; |
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} |
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static void set_sec_size(struct iwl_firmware_pieces *pieces, |
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enum iwl_ucode_type type, |
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int sec, |
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size_t size) |
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{ |
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alloc_sec_data(pieces, type, sec); |
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pieces->img[type].sec[sec].size = size; |
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} |
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static size_t get_sec_size(struct iwl_firmware_pieces *pieces, |
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enum iwl_ucode_type type, |
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int sec) |
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{ |
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return pieces->img[type].sec[sec].size; |
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} |
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static void set_sec_offset(struct iwl_firmware_pieces *pieces, |
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enum iwl_ucode_type type, |
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int sec, |
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u32 offset) |
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{ |
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alloc_sec_data(pieces, type, sec); |
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pieces->img[type].sec[sec].offset = offset; |
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} |
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static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len) |
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{ |
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int i, j; |
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struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data; |
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struct iwl_fw_cipher_scheme *fwcs; |
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if (len < sizeof(*l) || |
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len < sizeof(l->size) + l->size * sizeof(l->cs[0])) |
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return -EINVAL; |
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for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) { |
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fwcs = &l->cs[j]; |
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/* we skip schemes with zero cipher suite selector */ |
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if (!fwcs->cipher) |
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continue; |
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fw->cs[j++] = *fwcs; |
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} |
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return 0; |
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} |
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/* |
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* Gets uCode section from tlv. |
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*/ |
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static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces, |
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const void *data, enum iwl_ucode_type type, |
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int size) |
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{ |
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struct fw_img_parsing *img; |
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struct fw_sec *sec; |
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struct fw_sec_parsing *sec_parse; |
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size_t alloc_size; |
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if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX)) |
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return -1; |
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sec_parse = (struct fw_sec_parsing *)data; |
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img = &pieces->img[type]; |
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alloc_size = sizeof(*img->sec) * (img->sec_counter + 1); |
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sec = krealloc(img->sec, alloc_size, GFP_KERNEL); |
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if (!sec) |
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return -ENOMEM; |
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img->sec = sec; |
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sec = &img->sec[img->sec_counter]; |
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sec->offset = le32_to_cpu(sec_parse->offset); |
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sec->data = sec_parse->data; |
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sec->size = size - sizeof(sec_parse->offset); |
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++img->sec_counter; |
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return 0; |
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} |
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static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data) |
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{ |
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struct iwl_tlv_calib_data *def_calib = |
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(struct iwl_tlv_calib_data *)data; |
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u32 ucode_type = le32_to_cpu(def_calib->ucode_type); |
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if (ucode_type >= IWL_UCODE_TYPE_MAX) { |
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IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n", |
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ucode_type); |
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return -EINVAL; |
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} |
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drv->fw.default_calib[ucode_type].flow_trigger = |
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def_calib->calib.flow_trigger; |
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drv->fw.default_calib[ucode_type].event_trigger = |
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def_calib->calib.event_trigger; |
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return 0; |
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} |
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static void iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data, |
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struct iwl_ucode_capabilities *capa) |
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{ |
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const struct iwl_ucode_api *ucode_api = (void *)data; |
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u32 api_index = le32_to_cpu(ucode_api->api_index); |
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u32 api_flags = le32_to_cpu(ucode_api->api_flags); |
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int i; |
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if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) { |
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IWL_WARN(drv, |
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"api flags index %d larger than supported by driver\n", |
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api_index); |
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return; |
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} |
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for (i = 0; i < 32; i++) { |
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if (api_flags & BIT(i)) |
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__set_bit(i + 32 * api_index, capa->_api); |
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} |
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} |
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static void iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data, |
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struct iwl_ucode_capabilities *capa) |
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{ |
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const struct iwl_ucode_capa *ucode_capa = (void *)data; |
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u32 api_index = le32_to_cpu(ucode_capa->api_index); |
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u32 api_flags = le32_to_cpu(ucode_capa->api_capa); |
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int i; |
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if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) { |
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IWL_WARN(drv, |
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"capa flags index %d larger than supported by driver\n", |
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api_index); |
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return; |
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} |
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for (i = 0; i < 32; i++) { |
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if (api_flags & BIT(i)) |
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__set_bit(i + 32 * api_index, capa->_capa); |
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} |
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} |
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static const char *iwl_reduced_fw_name(struct iwl_drv *drv) |
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{ |
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const char *name = drv->firmware_name; |
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if (strncmp(name, "iwlwifi-", 8) == 0) |
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name += 8; |
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return name; |
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} |
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static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv, |
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const struct firmware *ucode_raw, |
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struct iwl_firmware_pieces *pieces) |
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{ |
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struct iwl_ucode_header *ucode = (void *)ucode_raw->data; |
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u32 api_ver, hdr_size, build; |
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char buildstr[25]; |
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const u8 *src; |
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drv->fw.ucode_ver = le32_to_cpu(ucode->ver); |
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api_ver = IWL_UCODE_API(drv->fw.ucode_ver); |
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switch (api_ver) { |
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default: |
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hdr_size = 28; |
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if (ucode_raw->size < hdr_size) { |
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IWL_ERR(drv, "File size too small!\n"); |
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return -EINVAL; |
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} |
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build = le32_to_cpu(ucode->u.v2.build); |
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set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, |
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le32_to_cpu(ucode->u.v2.inst_size)); |
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set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, |
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le32_to_cpu(ucode->u.v2.data_size)); |
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set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, |
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le32_to_cpu(ucode->u.v2.init_size)); |
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set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, |
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le32_to_cpu(ucode->u.v2.init_data_size)); |
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src = ucode->u.v2.data; |
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break; |
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case 0: |
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case 1: |
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case 2: |
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hdr_size = 24; |
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if (ucode_raw->size < hdr_size) { |
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IWL_ERR(drv, "File size too small!\n"); |
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return -EINVAL; |
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} |
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build = 0; |
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set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, |
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le32_to_cpu(ucode->u.v1.inst_size)); |
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set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, |
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le32_to_cpu(ucode->u.v1.data_size)); |
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set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, |
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le32_to_cpu(ucode->u.v1.init_size)); |
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set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, |
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le32_to_cpu(ucode->u.v1.init_data_size)); |
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src = ucode->u.v1.data; |
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break; |
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} |
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|
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if (build) |
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sprintf(buildstr, " build %u", build); |
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else |
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buildstr[0] = '\0'; |
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|
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snprintf(drv->fw.fw_version, |
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sizeof(drv->fw.fw_version), |
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"%u.%u.%u.%u%s %s", |
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IWL_UCODE_MAJOR(drv->fw.ucode_ver), |
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IWL_UCODE_MINOR(drv->fw.ucode_ver), |
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IWL_UCODE_API(drv->fw.ucode_ver), |
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IWL_UCODE_SERIAL(drv->fw.ucode_ver), |
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buildstr, iwl_reduced_fw_name(drv)); |
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|
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/* Verify size of file vs. image size info in file's header */ |
|
|
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if (ucode_raw->size != hdr_size + |
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get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) + |
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get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) + |
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get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) + |
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get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { |
|
|
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IWL_ERR(drv, |
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"uCode file size %d does not match expected size\n", |
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(int)ucode_raw->size); |
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return -EINVAL; |
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} |
|
|
|
|
|
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; |
|
} |
|
|
|
#define FW_ADDR_CACHE_CONTROL 0xC0000000 |
|
|
|
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) |
|
{ |
|
struct iwl_tlv_ucode_header *ucode = (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 = (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((__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((__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((__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((__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((__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((__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((__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((__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((__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((__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((__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_CSCHEME: |
|
if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len)) |
|
goto invalid_tlv_len; |
|
break; |
|
case IWL_UCODE_TLV_N_SCAN_CHANNELS: |
|
if (tlv_len != sizeof(u32)) |
|
goto invalid_tlv_len; |
|
capa->n_scan_channels = |
|
le32_to_cpup((__le32 *)tlv_data); |
|
break; |
|
case IWL_UCODE_TLV_FW_VERSION: { |
|
__le32 *ptr = (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: { |
|
struct iwl_fw_dbg_dest_tlv *dest = NULL; |
|
struct iwl_fw_dbg_dest_tlv_v1 *dest_v1 = NULL; |
|
u8 mon_mode; |
|
|
|
pieces->dbg_dest_ver = (u8 *)tlv_data; |
|
if (*pieces->dbg_dest_ver == 1) { |
|
dest = (void *)tlv_data; |
|
} else if (*pieces->dbg_dest_ver == 0) { |
|
dest_v1 = (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: { |
|
struct iwl_fw_dbg_conf_tlv *conf = (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: { |
|
struct iwl_fw_dbg_trigger_tlv *trigger = |
|
(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((__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((__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: { |
|
struct iwl_fw_dbg_mem_seg_tlv *dbg_mem = |
|
(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: { |
|
struct { |
|
__le32 buf_addr; |
|
__le32 buf_size; |
|
} *recov_info = (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: { |
|
struct { |
|
u8 version[32]; |
|
u8 sha1[20]; |
|
} *fseq_ver = (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((__le32 *)tlv_data) > |
|
IWL_MVM_STATION_COUNT_MAX) { |
|
IWL_ERR(drv, |
|
"%d is an invalid number of station\n", |
|
le32_to_cpup((__le32 *)tlv_data)); |
|
goto tlv_error; |
|
} |
|
capa->num_stations = |
|
le32_to_cpup((__le32 *)tlv_data); |
|
break; |
|
case IWL_UCODE_TLV_UMAC_DEBUG_ADDRS: { |
|
struct iwl_umac_debug_addrs *dbg_ptrs = |
|
(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: { |
|
struct iwl_lmac_debug_addrs *dbg_ptrs = |
|
(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_DEBUG_INFO: |
|
case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION: |
|
case IWL_UCODE_TLV_TYPE_HCMD: |
|
case IWL_UCODE_TLV_TYPE_REGIONS: |
|
case IWL_UCODE_TLV_TYPE_TRIGGERS: |
|
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; |
|
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, (u8 *)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; |
|
|
|
#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); |
|
|
|
#ifdef CONFIG_IWLWIFI_DEBUGFS |
|
if (!op_mode) { |
|
debugfs_remove_recursive(drv->dbgfs_op_mode); |
|
drv->dbgfs_op_mode = NULL; |
|
} |
|
#endif |
|
|
|
return op_mode; |
|
} |
|
|
|
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; |
|
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; |
|
|
|
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 = (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); |
|
|
|
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); |
|
|
|
iwl_dbg_tlv_load_bin(drv->trans->dev, drv->trans); |
|
|
|
/* 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); |
|
#ifdef CONFIG_IWLWIFI_OPMODE_MODULAR |
|
if (err) |
|
IWL_ERR(drv, |
|
"failed to load module %s (error %d), is dynamic loading enabled?\n", |
|
op->name, err); |
|
#endif |
|
} |
|
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); |
|
free: |
|
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); |
|
} |
|
|
|
|
|
/* 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 = true, |
|
/* 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; |
|
|
|
mutex_init(&iwlwifi_opmode_table_mtx); |
|
|
|
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)"); |
|
module_param_named(enable_ini, iwlwifi_mod_params.enable_ini, |
|
bool, S_IRUGO | S_IWUSR); |
|
MODULE_PARM_DESC(enable_ini, |
|
"Enable debug INI TLV FW debug infrastructure (default: true"); |
|
|
|
/* |
|
* 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)");
|
|
|