1960 lines
53 KiB
C
1960 lines
53 KiB
C
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
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/*
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* Copyright (C) 2012-2014, 2018-2022 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/vmalloc.h>
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#include <linux/err.h>
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#include <linux/ieee80211.h>
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#include <linux/netdevice.h>
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#include "mvm.h"
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#include "sta.h"
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#include "iwl-io.h"
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#include "debugfs.h"
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#include "iwl-modparams.h"
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#include "fw/error-dump.h"
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static ssize_t iwl_dbgfs_ctdp_budget_read(struct file *file,
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char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct iwl_mvm *mvm = file->private_data;
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char buf[16];
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int pos, budget;
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if (!iwl_mvm_is_ctdp_supported(mvm))
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return -EOPNOTSUPP;
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if (!iwl_mvm_firmware_running(mvm) ||
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mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
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return -EIO;
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mutex_lock(&mvm->mutex);
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budget = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_REPORT, 0);
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mutex_unlock(&mvm->mutex);
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if (budget < 0)
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return budget;
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pos = scnprintf(buf, sizeof(buf), "%d\n", budget);
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return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
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}
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static ssize_t iwl_dbgfs_stop_ctdp_write(struct iwl_mvm *mvm, char *buf,
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size_t count, loff_t *ppos)
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{
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int ret;
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if (!iwl_mvm_is_ctdp_supported(mvm))
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return -EOPNOTSUPP;
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if (!iwl_mvm_firmware_running(mvm) ||
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mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
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return -EIO;
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mutex_lock(&mvm->mutex);
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ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_STOP, 0);
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mutex_unlock(&mvm->mutex);
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return ret ?: count;
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}
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static ssize_t iwl_dbgfs_force_ctkill_write(struct iwl_mvm *mvm, char *buf,
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size_t count, loff_t *ppos)
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{
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if (!iwl_mvm_firmware_running(mvm) ||
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mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
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return -EIO;
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iwl_mvm_enter_ctkill(mvm);
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return count;
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}
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static ssize_t iwl_dbgfs_tx_flush_write(struct iwl_mvm *mvm, char *buf,
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size_t count, loff_t *ppos)
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{
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int ret;
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u32 flush_arg;
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if (!iwl_mvm_firmware_running(mvm) ||
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mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
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return -EIO;
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if (kstrtou32(buf, 0, &flush_arg))
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return -EINVAL;
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if (iwl_mvm_has_new_tx_api(mvm)) {
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IWL_DEBUG_TX_QUEUES(mvm,
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"FLUSHING all tids queues on sta_id = %d\n",
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flush_arg);
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mutex_lock(&mvm->mutex);
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ret = iwl_mvm_flush_sta_tids(mvm, flush_arg, 0xFFFF)
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? : count;
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mutex_unlock(&mvm->mutex);
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return ret;
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}
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IWL_DEBUG_TX_QUEUES(mvm, "FLUSHING queues mask to flush = 0x%x\n",
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flush_arg);
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mutex_lock(&mvm->mutex);
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ret = iwl_mvm_flush_tx_path(mvm, flush_arg) ? : count;
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mutex_unlock(&mvm->mutex);
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return ret;
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}
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static ssize_t iwl_dbgfs_sta_drain_write(struct iwl_mvm *mvm, char *buf,
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size_t count, loff_t *ppos)
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{
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struct iwl_mvm_sta *mvmsta;
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int sta_id, drain, ret;
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if (!iwl_mvm_firmware_running(mvm) ||
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mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
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return -EIO;
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if (sscanf(buf, "%d %d", &sta_id, &drain) != 2)
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return -EINVAL;
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if (sta_id < 0 || sta_id >= mvm->fw->ucode_capa.num_stations)
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return -EINVAL;
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if (drain < 0 || drain > 1)
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return -EINVAL;
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mutex_lock(&mvm->mutex);
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mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id);
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if (!mvmsta)
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ret = -ENOENT;
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else
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ret = iwl_mvm_drain_sta(mvm, mvmsta, drain) ? : count;
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mutex_unlock(&mvm->mutex);
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return ret;
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}
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static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct iwl_mvm *mvm = file->private_data;
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const struct fw_img *img;
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unsigned int ofs, len;
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size_t ret;
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u8 *ptr;
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if (!iwl_mvm_firmware_running(mvm))
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return -EINVAL;
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/* default is to dump the entire data segment */
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img = &mvm->fw->img[mvm->fwrt.cur_fw_img];
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ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
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len = img->sec[IWL_UCODE_SECTION_DATA].len;
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if (mvm->dbgfs_sram_len) {
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ofs = mvm->dbgfs_sram_offset;
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len = mvm->dbgfs_sram_len;
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}
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ptr = kzalloc(len, GFP_KERNEL);
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if (!ptr)
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return -ENOMEM;
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iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len);
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ret = simple_read_from_buffer(user_buf, count, ppos, ptr, len);
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kfree(ptr);
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return ret;
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}
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static ssize_t iwl_dbgfs_sram_write(struct iwl_mvm *mvm, char *buf,
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size_t count, loff_t *ppos)
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{
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const struct fw_img *img;
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u32 offset, len;
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u32 img_offset, img_len;
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if (!iwl_mvm_firmware_running(mvm))
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return -EINVAL;
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img = &mvm->fw->img[mvm->fwrt.cur_fw_img];
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img_offset = img->sec[IWL_UCODE_SECTION_DATA].offset;
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img_len = img->sec[IWL_UCODE_SECTION_DATA].len;
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if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
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if ((offset & 0x3) || (len & 0x3))
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return -EINVAL;
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if (offset + len > img_offset + img_len)
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return -EINVAL;
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mvm->dbgfs_sram_offset = offset;
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mvm->dbgfs_sram_len = len;
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} else {
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mvm->dbgfs_sram_offset = 0;
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mvm->dbgfs_sram_len = 0;
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}
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return count;
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}
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static ssize_t iwl_dbgfs_set_nic_temperature_read(struct file *file,
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char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct iwl_mvm *mvm = file->private_data;
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char buf[16];
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int pos;
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if (!mvm->temperature_test)
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pos = scnprintf(buf , sizeof(buf), "disabled\n");
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else
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pos = scnprintf(buf , sizeof(buf), "%d\n", mvm->temperature);
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return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
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}
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/*
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* Set NIC Temperature
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* Cause the driver to ignore the actual NIC temperature reported by the FW
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* Enable: any value between IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -
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* IWL_MVM_DEBUG_SET_TEMPERATURE_MAX
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* Disable: IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE
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*/
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static ssize_t iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm *mvm,
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char *buf, size_t count,
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loff_t *ppos)
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{
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int temperature;
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if (!iwl_mvm_firmware_running(mvm) && !mvm->temperature_test)
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return -EIO;
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if (kstrtoint(buf, 10, &temperature))
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return -EINVAL;
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/* not a legal temperature */
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if ((temperature > IWL_MVM_DEBUG_SET_TEMPERATURE_MAX &&
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temperature != IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) ||
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temperature < IWL_MVM_DEBUG_SET_TEMPERATURE_MIN)
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return -EINVAL;
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mutex_lock(&mvm->mutex);
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if (temperature == IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) {
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if (!mvm->temperature_test)
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goto out;
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mvm->temperature_test = false;
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/* Since we can't read the temp while awake, just set
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* it to zero until we get the next RX stats from the
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* firmware.
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*/
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mvm->temperature = 0;
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} else {
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mvm->temperature_test = true;
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mvm->temperature = temperature;
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}
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IWL_DEBUG_TEMP(mvm, "%sabling debug set temperature (temp = %d)\n",
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mvm->temperature_test ? "En" : "Dis" ,
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mvm->temperature);
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/* handle the temperature change */
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iwl_mvm_tt_handler(mvm);
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out:
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mutex_unlock(&mvm->mutex);
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return count;
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}
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static ssize_t iwl_dbgfs_nic_temp_read(struct file *file,
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char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct iwl_mvm *mvm = file->private_data;
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char buf[16];
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int pos, ret;
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s32 temp;
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if (!iwl_mvm_firmware_running(mvm))
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return -EIO;
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mutex_lock(&mvm->mutex);
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ret = iwl_mvm_get_temp(mvm, &temp);
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mutex_unlock(&mvm->mutex);
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if (ret)
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return -EIO;
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pos = scnprintf(buf , sizeof(buf), "%d\n", temp);
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return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
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}
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#ifdef CONFIG_ACPI
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static ssize_t iwl_dbgfs_sar_geo_profile_read(struct file *file,
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char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct iwl_mvm *mvm = file->private_data;
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char buf[256];
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int pos = 0;
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int bufsz = sizeof(buf);
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int tbl_idx;
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if (!iwl_mvm_firmware_running(mvm))
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return -EIO;
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mutex_lock(&mvm->mutex);
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tbl_idx = iwl_mvm_get_sar_geo_profile(mvm);
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if (tbl_idx < 0) {
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mutex_unlock(&mvm->mutex);
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return tbl_idx;
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}
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if (!tbl_idx) {
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pos = scnprintf(buf, bufsz,
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"SAR geographic profile disabled\n");
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} else {
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pos += scnprintf(buf + pos, bufsz - pos,
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"Use geographic profile %d\n", tbl_idx);
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pos += scnprintf(buf + pos, bufsz - pos,
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"2.4GHz:\n\tChain A offset: %u dBm\n\tChain B offset: %u dBm\n\tmax tx power: %u dBm\n",
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mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].chains[0],
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mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].chains[1],
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mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].max);
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pos += scnprintf(buf + pos, bufsz - pos,
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"5.2GHz:\n\tChain A offset: %u dBm\n\tChain B offset: %u dBm\n\tmax tx power: %u dBm\n",
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mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].chains[0],
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mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].chains[1],
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mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].max);
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}
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mutex_unlock(&mvm->mutex);
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return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
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}
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#endif
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static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct iwl_mvm *mvm = file->private_data;
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struct ieee80211_sta *sta;
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char buf[400];
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int i, pos = 0, bufsz = sizeof(buf);
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mutex_lock(&mvm->mutex);
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for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) {
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pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i);
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sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
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lockdep_is_held(&mvm->mutex));
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if (!sta)
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pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
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else if (IS_ERR(sta))
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pos += scnprintf(buf + pos, bufsz - pos, "%ld\n",
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PTR_ERR(sta));
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else
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pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
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sta->addr);
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}
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mutex_unlock(&mvm->mutex);
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return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
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}
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static ssize_t iwl_dbgfs_rs_data_read(struct file *file, char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct ieee80211_sta *sta = file->private_data;
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struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
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struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->lq_sta.rs_fw;
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struct iwl_mvm *mvm = lq_sta->pers.drv;
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static const size_t bufsz = 2048;
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char *buff;
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int desc = 0;
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ssize_t ret;
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buff = kmalloc(bufsz, GFP_KERNEL);
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if (!buff)
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return -ENOMEM;
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mutex_lock(&mvm->mutex);
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desc += scnprintf(buff + desc, bufsz - desc, "sta_id %d\n",
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lq_sta->pers.sta_id);
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desc += scnprintf(buff + desc, bufsz - desc,
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"fixed rate 0x%X\n",
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lq_sta->pers.dbg_fixed_rate);
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desc += scnprintf(buff + desc, bufsz - desc,
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"A-MPDU size limit %d\n",
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lq_sta->pers.dbg_agg_frame_count_lim);
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desc += scnprintf(buff + desc, bufsz - desc,
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"valid_tx_ant %s%s\n",
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(iwl_mvm_get_valid_tx_ant(mvm) & ANT_A) ? "ANT_A," : "",
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(iwl_mvm_get_valid_tx_ant(mvm) & ANT_B) ? "ANT_B," : "");
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desc += scnprintf(buff + desc, bufsz - desc,
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"last tx rate=0x%X ",
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lq_sta->last_rate_n_flags);
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desc += rs_pretty_print_rate(buff + desc, bufsz - desc,
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lq_sta->last_rate_n_flags);
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if (desc < bufsz - 1)
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buff[desc++] = '\n';
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mutex_unlock(&mvm->mutex);
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ret = simple_read_from_buffer(user_buf, count, ppos, buff, desc);
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kfree(buff);
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return ret;
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}
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static ssize_t iwl_dbgfs_amsdu_len_write(struct ieee80211_sta *sta,
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char *buf, size_t count,
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loff_t *ppos)
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{
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struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
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int i;
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u16 amsdu_len;
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if (kstrtou16(buf, 0, &amsdu_len))
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return -EINVAL;
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/* only change from debug set <-> debug unset */
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if (amsdu_len && mvmsta->orig_amsdu_len)
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return -EBUSY;
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if (amsdu_len) {
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mvmsta->orig_amsdu_len = sta->cur->max_amsdu_len;
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sta->deflink.agg.max_amsdu_len = amsdu_len;
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sta->deflink.agg.max_amsdu_len = amsdu_len;
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for (i = 0; i < ARRAY_SIZE(sta->deflink.agg.max_tid_amsdu_len); i++)
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sta->deflink.agg.max_tid_amsdu_len[i] = amsdu_len;
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} else {
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sta->deflink.agg.max_amsdu_len = mvmsta->orig_amsdu_len;
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mvmsta->orig_amsdu_len = 0;
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}
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return count;
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}
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static ssize_t iwl_dbgfs_amsdu_len_read(struct file *file,
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char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct ieee80211_sta *sta = file->private_data;
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struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
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char buf[32];
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int pos;
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pos = scnprintf(buf, sizeof(buf), "current %d ", sta->cur->max_amsdu_len);
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pos += scnprintf(buf + pos, sizeof(buf) - pos, "stored %d\n",
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mvmsta->orig_amsdu_len);
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return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
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}
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static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file,
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char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct iwl_mvm *mvm = file->private_data;
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char buf[64];
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int bufsz = sizeof(buf);
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int pos = 0;
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pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d0=%d\n",
|
|
mvm->disable_power_off);
|
|
pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d3=%d\n",
|
|
mvm->disable_power_off_d3);
|
|
|
|
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
|
|
}
|
|
|
|
static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
int ret, val;
|
|
|
|
if (!iwl_mvm_firmware_running(mvm))
|
|
return -EIO;
|
|
|
|
if (!strncmp("disable_power_off_d0=", buf, 21)) {
|
|
if (sscanf(buf + 21, "%d", &val) != 1)
|
|
return -EINVAL;
|
|
mvm->disable_power_off = val;
|
|
} else if (!strncmp("disable_power_off_d3=", buf, 21)) {
|
|
if (sscanf(buf + 21, "%d", &val) != 1)
|
|
return -EINVAL;
|
|
mvm->disable_power_off_d3 = val;
|
|
} else {
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_lock(&mvm->mutex);
|
|
ret = iwl_mvm_power_update_device(mvm);
|
|
mutex_unlock(&mvm->mutex);
|
|
|
|
return ret ?: count;
|
|
}
|
|
|
|
static
|
|
int iwl_mvm_coex_dump_mbox(struct iwl_bt_coex_profile_notif *notif, char *buf,
|
|
int pos, int bufsz)
|
|
{
|
|
pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n");
|
|
|
|
BT_MBOX_PRINT(0, LE_SLAVE_LAT, false);
|
|
BT_MBOX_PRINT(0, LE_PROF1, false);
|
|
BT_MBOX_PRINT(0, LE_PROF2, false);
|
|
BT_MBOX_PRINT(0, LE_PROF_OTHER, false);
|
|
BT_MBOX_PRINT(0, CHL_SEQ_N, false);
|
|
BT_MBOX_PRINT(0, INBAND_S, false);
|
|
BT_MBOX_PRINT(0, LE_MIN_RSSI, false);
|
|
BT_MBOX_PRINT(0, LE_SCAN, false);
|
|
BT_MBOX_PRINT(0, LE_ADV, false);
|
|
BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false);
|
|
BT_MBOX_PRINT(0, OPEN_CON_1, true);
|
|
|
|
pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n");
|
|
|
|
BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false);
|
|
BT_MBOX_PRINT(1, IP_SR, false);
|
|
BT_MBOX_PRINT(1, LE_MSTR, false);
|
|
BT_MBOX_PRINT(1, AGGR_TRFC_LD, false);
|
|
BT_MBOX_PRINT(1, MSG_TYPE, false);
|
|
BT_MBOX_PRINT(1, SSN, true);
|
|
|
|
pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n");
|
|
|
|
BT_MBOX_PRINT(2, SNIFF_ACT, false);
|
|
BT_MBOX_PRINT(2, PAG, false);
|
|
BT_MBOX_PRINT(2, INQUIRY, false);
|
|
BT_MBOX_PRINT(2, CONN, false);
|
|
BT_MBOX_PRINT(2, SNIFF_INTERVAL, false);
|
|
BT_MBOX_PRINT(2, DISC, false);
|
|
BT_MBOX_PRINT(2, SCO_TX_ACT, false);
|
|
BT_MBOX_PRINT(2, SCO_RX_ACT, false);
|
|
BT_MBOX_PRINT(2, ESCO_RE_TX, false);
|
|
BT_MBOX_PRINT(2, SCO_DURATION, true);
|
|
|
|
pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n");
|
|
|
|
BT_MBOX_PRINT(3, SCO_STATE, false);
|
|
BT_MBOX_PRINT(3, SNIFF_STATE, false);
|
|
BT_MBOX_PRINT(3, A2DP_STATE, false);
|
|
BT_MBOX_PRINT(3, A2DP_SRC, false);
|
|
BT_MBOX_PRINT(3, ACL_STATE, false);
|
|
BT_MBOX_PRINT(3, MSTR_STATE, false);
|
|
BT_MBOX_PRINT(3, OBX_STATE, false);
|
|
BT_MBOX_PRINT(3, OPEN_CON_2, false);
|
|
BT_MBOX_PRINT(3, TRAFFIC_LOAD, false);
|
|
BT_MBOX_PRINT(3, CHL_SEQN_LSB, false);
|
|
BT_MBOX_PRINT(3, INBAND_P, false);
|
|
BT_MBOX_PRINT(3, MSG_TYPE_2, false);
|
|
BT_MBOX_PRINT(3, SSN_2, false);
|
|
BT_MBOX_PRINT(3, UPDATE_REQUEST, true);
|
|
|
|
return pos;
|
|
}
|
|
|
|
static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct iwl_mvm *mvm = file->private_data;
|
|
struct iwl_bt_coex_profile_notif *notif = &mvm->last_bt_notif;
|
|
char *buf;
|
|
int ret, pos = 0, bufsz = sizeof(char) * 1024;
|
|
|
|
buf = kmalloc(bufsz, GFP_KERNEL);
|
|
if (!buf)
|
|
return -ENOMEM;
|
|
|
|
mutex_lock(&mvm->mutex);
|
|
|
|
pos += iwl_mvm_coex_dump_mbox(notif, buf, pos, bufsz);
|
|
|
|
pos += scnprintf(buf + pos, bufsz - pos, "bt_ci_compliance = %d\n",
|
|
notif->bt_ci_compliance);
|
|
pos += scnprintf(buf + pos, bufsz - pos, "primary_ch_lut = %d\n",
|
|
le32_to_cpu(notif->primary_ch_lut));
|
|
pos += scnprintf(buf + pos, bufsz - pos, "secondary_ch_lut = %d\n",
|
|
le32_to_cpu(notif->secondary_ch_lut));
|
|
pos += scnprintf(buf + pos,
|
|
bufsz - pos, "bt_activity_grading = %d\n",
|
|
le32_to_cpu(notif->bt_activity_grading));
|
|
pos += scnprintf(buf + pos, bufsz - pos, "bt_rrc = %d\n",
|
|
notif->rrc_status & 0xF);
|
|
pos += scnprintf(buf + pos, bufsz - pos, "bt_ttc = %d\n",
|
|
notif->ttc_status & 0xF);
|
|
|
|
pos += scnprintf(buf + pos, bufsz - pos, "sync_sco = %d\n",
|
|
IWL_MVM_BT_COEX_SYNC2SCO);
|
|
pos += scnprintf(buf + pos, bufsz - pos, "mplut = %d\n",
|
|
IWL_MVM_BT_COEX_MPLUT);
|
|
|
|
mutex_unlock(&mvm->mutex);
|
|
|
|
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
|
|
kfree(buf);
|
|
|
|
return ret;
|
|
}
|
|
#undef BT_MBOX_PRINT
|
|
|
|
static ssize_t iwl_dbgfs_bt_cmd_read(struct file *file, char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct iwl_mvm *mvm = file->private_data;
|
|
struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd;
|
|
char buf[256];
|
|
int bufsz = sizeof(buf);
|
|
int pos = 0;
|
|
|
|
mutex_lock(&mvm->mutex);
|
|
|
|
pos += scnprintf(buf + pos, bufsz - pos, "Channel inhibition CMD\n");
|
|
pos += scnprintf(buf + pos, bufsz - pos,
|
|
"\tPrimary Channel Bitmap 0x%016llx\n",
|
|
le64_to_cpu(cmd->bt_primary_ci));
|
|
pos += scnprintf(buf + pos, bufsz - pos,
|
|
"\tSecondary Channel Bitmap 0x%016llx\n",
|
|
le64_to_cpu(cmd->bt_secondary_ci));
|
|
|
|
mutex_unlock(&mvm->mutex);
|
|
|
|
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
|
|
}
|
|
|
|
static ssize_t
|
|
iwl_dbgfs_bt_tx_prio_write(struct iwl_mvm *mvm, char *buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
u32 bt_tx_prio;
|
|
|
|
if (sscanf(buf, "%u", &bt_tx_prio) != 1)
|
|
return -EINVAL;
|
|
if (bt_tx_prio > 4)
|
|
return -EINVAL;
|
|
|
|
mvm->bt_tx_prio = bt_tx_prio;
|
|
|
|
return count;
|
|
}
|
|
|
|
static ssize_t
|
|
iwl_dbgfs_bt_force_ant_write(struct iwl_mvm *mvm, char *buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
static const char * const modes_str[BT_FORCE_ANT_MAX] = {
|
|
[BT_FORCE_ANT_DIS] = "dis",
|
|
[BT_FORCE_ANT_AUTO] = "auto",
|
|
[BT_FORCE_ANT_BT] = "bt",
|
|
[BT_FORCE_ANT_WIFI] = "wifi",
|
|
};
|
|
int ret, bt_force_ant_mode;
|
|
|
|
ret = match_string(modes_str, ARRAY_SIZE(modes_str), buf);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
bt_force_ant_mode = ret;
|
|
ret = 0;
|
|
mutex_lock(&mvm->mutex);
|
|
if (mvm->bt_force_ant_mode == bt_force_ant_mode)
|
|
goto out;
|
|
|
|
mvm->bt_force_ant_mode = bt_force_ant_mode;
|
|
IWL_DEBUG_COEX(mvm, "Force mode: %s\n",
|
|
modes_str[mvm->bt_force_ant_mode]);
|
|
|
|
if (iwl_mvm_firmware_running(mvm))
|
|
ret = iwl_mvm_send_bt_init_conf(mvm);
|
|
else
|
|
ret = 0;
|
|
|
|
out:
|
|
mutex_unlock(&mvm->mutex);
|
|
return ret ?: count;
|
|
}
|
|
|
|
static ssize_t iwl_dbgfs_fw_ver_read(struct file *file, char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct iwl_mvm *mvm = file->private_data;
|
|
char *buff, *pos, *endpos;
|
|
static const size_t bufsz = 1024;
|
|
int ret;
|
|
|
|
buff = kmalloc(bufsz, GFP_KERNEL);
|
|
if (!buff)
|
|
return -ENOMEM;
|
|
|
|
pos = buff;
|
|
endpos = pos + bufsz;
|
|
|
|
pos += scnprintf(pos, endpos - pos, "FW prefix: %s\n",
|
|
mvm->trans->cfg->fw_name_pre);
|
|
pos += scnprintf(pos, endpos - pos, "FW: %s\n",
|
|
mvm->fwrt.fw->human_readable);
|
|
pos += scnprintf(pos, endpos - pos, "Device: %s\n",
|
|
mvm->fwrt.trans->name);
|
|
pos += scnprintf(pos, endpos - pos, "Bus: %s\n",
|
|
mvm->fwrt.dev->bus->name);
|
|
|
|
ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
|
|
kfree(buff);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static ssize_t iwl_dbgfs_phy_integration_ver_read(struct file *file,
|
|
char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct iwl_mvm *mvm = file->private_data;
|
|
char *buf;
|
|
size_t bufsz;
|
|
int pos;
|
|
ssize_t ret;
|
|
|
|
bufsz = mvm->fw->phy_integration_ver_len + 2;
|
|
buf = kmalloc(bufsz, GFP_KERNEL);
|
|
if (!buf)
|
|
return -ENOMEM;
|
|
|
|
pos = scnprintf(buf, bufsz, "%.*s\n", mvm->fw->phy_integration_ver_len,
|
|
mvm->fw->phy_integration_ver);
|
|
|
|
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
|
|
|
|
kfree(buf);
|
|
return ret;
|
|
}
|
|
|
|
#define PRINT_STATS_LE32(_struct, _memb) \
|
|
pos += scnprintf(buf + pos, bufsz - pos, \
|
|
fmt_table, #_memb, \
|
|
le32_to_cpu(_struct->_memb))
|
|
|
|
static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file,
|
|
char __user *user_buf, size_t count,
|
|
loff_t *ppos)
|
|
{
|
|
struct iwl_mvm *mvm = file->private_data;
|
|
static const char *fmt_table = "\t%-30s %10u\n";
|
|
static const char *fmt_header = "%-32s\n";
|
|
int pos = 0;
|
|
char *buf;
|
|
int ret;
|
|
size_t bufsz;
|
|
|
|
if (iwl_mvm_has_new_rx_stats_api(mvm))
|
|
bufsz = ((sizeof(struct mvm_statistics_rx) /
|
|
sizeof(__le32)) * 43) + (4 * 33) + 1;
|
|
else
|
|
/* 43 = size of each data line; 33 = size of each header */
|
|
bufsz = ((sizeof(struct mvm_statistics_rx_v3) /
|
|
sizeof(__le32)) * 43) + (4 * 33) + 1;
|
|
|
|
buf = kzalloc(bufsz, GFP_KERNEL);
|
|
if (!buf)
|
|
return -ENOMEM;
|
|
|
|
mutex_lock(&mvm->mutex);
|
|
|
|
if (iwl_mvm_firmware_running(mvm))
|
|
iwl_mvm_request_statistics(mvm, false);
|
|
|
|
pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
|
|
"Statistics_Rx - OFDM");
|
|
if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
|
|
struct mvm_statistics_rx_phy_v2 *ofdm = &mvm->rx_stats_v3.ofdm;
|
|
|
|
PRINT_STATS_LE32(ofdm, ina_cnt);
|
|
PRINT_STATS_LE32(ofdm, fina_cnt);
|
|
PRINT_STATS_LE32(ofdm, plcp_err);
|
|
PRINT_STATS_LE32(ofdm, crc32_err);
|
|
PRINT_STATS_LE32(ofdm, overrun_err);
|
|
PRINT_STATS_LE32(ofdm, early_overrun_err);
|
|
PRINT_STATS_LE32(ofdm, crc32_good);
|
|
PRINT_STATS_LE32(ofdm, false_alarm_cnt);
|
|
PRINT_STATS_LE32(ofdm, fina_sync_err_cnt);
|
|
PRINT_STATS_LE32(ofdm, sfd_timeout);
|
|
PRINT_STATS_LE32(ofdm, fina_timeout);
|
|
PRINT_STATS_LE32(ofdm, unresponded_rts);
|
|
PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun);
|
|
PRINT_STATS_LE32(ofdm, sent_ack_cnt);
|
|
PRINT_STATS_LE32(ofdm, sent_cts_cnt);
|
|
PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt);
|
|
PRINT_STATS_LE32(ofdm, dsp_self_kill);
|
|
PRINT_STATS_LE32(ofdm, mh_format_err);
|
|
PRINT_STATS_LE32(ofdm, re_acq_main_rssi_sum);
|
|
PRINT_STATS_LE32(ofdm, reserved);
|
|
} else {
|
|
struct mvm_statistics_rx_phy *ofdm = &mvm->rx_stats.ofdm;
|
|
|
|
PRINT_STATS_LE32(ofdm, unresponded_rts);
|
|
PRINT_STATS_LE32(ofdm, rxe_frame_lmt_overrun);
|
|
PRINT_STATS_LE32(ofdm, sent_ba_rsp_cnt);
|
|
PRINT_STATS_LE32(ofdm, dsp_self_kill);
|
|
PRINT_STATS_LE32(ofdm, reserved);
|
|
}
|
|
|
|
pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
|
|
"Statistics_Rx - CCK");
|
|
if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
|
|
struct mvm_statistics_rx_phy_v2 *cck = &mvm->rx_stats_v3.cck;
|
|
|
|
PRINT_STATS_LE32(cck, ina_cnt);
|
|
PRINT_STATS_LE32(cck, fina_cnt);
|
|
PRINT_STATS_LE32(cck, plcp_err);
|
|
PRINT_STATS_LE32(cck, crc32_err);
|
|
PRINT_STATS_LE32(cck, overrun_err);
|
|
PRINT_STATS_LE32(cck, early_overrun_err);
|
|
PRINT_STATS_LE32(cck, crc32_good);
|
|
PRINT_STATS_LE32(cck, false_alarm_cnt);
|
|
PRINT_STATS_LE32(cck, fina_sync_err_cnt);
|
|
PRINT_STATS_LE32(cck, sfd_timeout);
|
|
PRINT_STATS_LE32(cck, fina_timeout);
|
|
PRINT_STATS_LE32(cck, unresponded_rts);
|
|
PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun);
|
|
PRINT_STATS_LE32(cck, sent_ack_cnt);
|
|
PRINT_STATS_LE32(cck, sent_cts_cnt);
|
|
PRINT_STATS_LE32(cck, sent_ba_rsp_cnt);
|
|
PRINT_STATS_LE32(cck, dsp_self_kill);
|
|
PRINT_STATS_LE32(cck, mh_format_err);
|
|
PRINT_STATS_LE32(cck, re_acq_main_rssi_sum);
|
|
PRINT_STATS_LE32(cck, reserved);
|
|
} else {
|
|
struct mvm_statistics_rx_phy *cck = &mvm->rx_stats.cck;
|
|
|
|
PRINT_STATS_LE32(cck, unresponded_rts);
|
|
PRINT_STATS_LE32(cck, rxe_frame_lmt_overrun);
|
|
PRINT_STATS_LE32(cck, sent_ba_rsp_cnt);
|
|
PRINT_STATS_LE32(cck, dsp_self_kill);
|
|
PRINT_STATS_LE32(cck, reserved);
|
|
}
|
|
|
|
pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
|
|
"Statistics_Rx - GENERAL");
|
|
if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
|
|
struct mvm_statistics_rx_non_phy_v3 *general =
|
|
&mvm->rx_stats_v3.general;
|
|
|
|
PRINT_STATS_LE32(general, bogus_cts);
|
|
PRINT_STATS_LE32(general, bogus_ack);
|
|
PRINT_STATS_LE32(general, non_bssid_frames);
|
|
PRINT_STATS_LE32(general, filtered_frames);
|
|
PRINT_STATS_LE32(general, non_channel_beacons);
|
|
PRINT_STATS_LE32(general, channel_beacons);
|
|
PRINT_STATS_LE32(general, num_missed_bcon);
|
|
PRINT_STATS_LE32(general, adc_rx_saturation_time);
|
|
PRINT_STATS_LE32(general, ina_detection_search_time);
|
|
PRINT_STATS_LE32(general, beacon_silence_rssi_a);
|
|
PRINT_STATS_LE32(general, beacon_silence_rssi_b);
|
|
PRINT_STATS_LE32(general, beacon_silence_rssi_c);
|
|
PRINT_STATS_LE32(general, interference_data_flag);
|
|
PRINT_STATS_LE32(general, channel_load);
|
|
PRINT_STATS_LE32(general, dsp_false_alarms);
|
|
PRINT_STATS_LE32(general, beacon_rssi_a);
|
|
PRINT_STATS_LE32(general, beacon_rssi_b);
|
|
PRINT_STATS_LE32(general, beacon_rssi_c);
|
|
PRINT_STATS_LE32(general, beacon_energy_a);
|
|
PRINT_STATS_LE32(general, beacon_energy_b);
|
|
PRINT_STATS_LE32(general, beacon_energy_c);
|
|
PRINT_STATS_LE32(general, num_bt_kills);
|
|
PRINT_STATS_LE32(general, mac_id);
|
|
PRINT_STATS_LE32(general, directed_data_mpdu);
|
|
} else {
|
|
struct mvm_statistics_rx_non_phy *general =
|
|
&mvm->rx_stats.general;
|
|
|
|
PRINT_STATS_LE32(general, bogus_cts);
|
|
PRINT_STATS_LE32(general, bogus_ack);
|
|
PRINT_STATS_LE32(general, non_channel_beacons);
|
|
PRINT_STATS_LE32(general, channel_beacons);
|
|
PRINT_STATS_LE32(general, num_missed_bcon);
|
|
PRINT_STATS_LE32(general, adc_rx_saturation_time);
|
|
PRINT_STATS_LE32(general, ina_detection_search_time);
|
|
PRINT_STATS_LE32(general, beacon_silence_rssi_a);
|
|
PRINT_STATS_LE32(general, beacon_silence_rssi_b);
|
|
PRINT_STATS_LE32(general, beacon_silence_rssi_c);
|
|
PRINT_STATS_LE32(general, interference_data_flag);
|
|
PRINT_STATS_LE32(general, channel_load);
|
|
PRINT_STATS_LE32(general, beacon_rssi_a);
|
|
PRINT_STATS_LE32(general, beacon_rssi_b);
|
|
PRINT_STATS_LE32(general, beacon_rssi_c);
|
|
PRINT_STATS_LE32(general, beacon_energy_a);
|
|
PRINT_STATS_LE32(general, beacon_energy_b);
|
|
PRINT_STATS_LE32(general, beacon_energy_c);
|
|
PRINT_STATS_LE32(general, num_bt_kills);
|
|
PRINT_STATS_LE32(general, mac_id);
|
|
}
|
|
|
|
pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
|
|
"Statistics_Rx - HT");
|
|
if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
|
|
struct mvm_statistics_rx_ht_phy_v1 *ht =
|
|
&mvm->rx_stats_v3.ofdm_ht;
|
|
|
|
PRINT_STATS_LE32(ht, plcp_err);
|
|
PRINT_STATS_LE32(ht, overrun_err);
|
|
PRINT_STATS_LE32(ht, early_overrun_err);
|
|
PRINT_STATS_LE32(ht, crc32_good);
|
|
PRINT_STATS_LE32(ht, crc32_err);
|
|
PRINT_STATS_LE32(ht, mh_format_err);
|
|
PRINT_STATS_LE32(ht, agg_crc32_good);
|
|
PRINT_STATS_LE32(ht, agg_mpdu_cnt);
|
|
PRINT_STATS_LE32(ht, agg_cnt);
|
|
PRINT_STATS_LE32(ht, unsupport_mcs);
|
|
} else {
|
|
struct mvm_statistics_rx_ht_phy *ht =
|
|
&mvm->rx_stats.ofdm_ht;
|
|
|
|
PRINT_STATS_LE32(ht, mh_format_err);
|
|
PRINT_STATS_LE32(ht, agg_mpdu_cnt);
|
|
PRINT_STATS_LE32(ht, agg_cnt);
|
|
PRINT_STATS_LE32(ht, unsupport_mcs);
|
|
}
|
|
|
|
mutex_unlock(&mvm->mutex);
|
|
|
|
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
|
|
kfree(buf);
|
|
|
|
return ret;
|
|
}
|
|
#undef PRINT_STAT_LE32
|
|
|
|
static ssize_t iwl_dbgfs_frame_stats_read(struct iwl_mvm *mvm,
|
|
char __user *user_buf, size_t count,
|
|
loff_t *ppos,
|
|
struct iwl_mvm_frame_stats *stats)
|
|
{
|
|
char *buff, *pos, *endpos;
|
|
int idx, i;
|
|
int ret;
|
|
static const size_t bufsz = 1024;
|
|
|
|
buff = kmalloc(bufsz, GFP_KERNEL);
|
|
if (!buff)
|
|
return -ENOMEM;
|
|
|
|
spin_lock_bh(&mvm->drv_stats_lock);
|
|
|
|
pos = buff;
|
|
endpos = pos + bufsz;
|
|
|
|
pos += scnprintf(pos, endpos - pos,
|
|
"Legacy/HT/VHT\t:\t%d/%d/%d\n",
|
|
stats->legacy_frames,
|
|
stats->ht_frames,
|
|
stats->vht_frames);
|
|
pos += scnprintf(pos, endpos - pos, "20/40/80\t:\t%d/%d/%d\n",
|
|
stats->bw_20_frames,
|
|
stats->bw_40_frames,
|
|
stats->bw_80_frames);
|
|
pos += scnprintf(pos, endpos - pos, "NGI/SGI\t\t:\t%d/%d\n",
|
|
stats->ngi_frames,
|
|
stats->sgi_frames);
|
|
pos += scnprintf(pos, endpos - pos, "SISO/MIMO2\t:\t%d/%d\n",
|
|
stats->siso_frames,
|
|
stats->mimo2_frames);
|
|
pos += scnprintf(pos, endpos - pos, "FAIL/SCSS\t:\t%d/%d\n",
|
|
stats->fail_frames,
|
|
stats->success_frames);
|
|
pos += scnprintf(pos, endpos - pos, "MPDUs agg\t:\t%d\n",
|
|
stats->agg_frames);
|
|
pos += scnprintf(pos, endpos - pos, "A-MPDUs\t\t:\t%d\n",
|
|
stats->ampdu_count);
|
|
pos += scnprintf(pos, endpos - pos, "Avg MPDUs/A-MPDU:\t%d\n",
|
|
stats->ampdu_count > 0 ?
|
|
(stats->agg_frames / stats->ampdu_count) : 0);
|
|
|
|
pos += scnprintf(pos, endpos - pos, "Last Rates\n");
|
|
|
|
idx = stats->last_frame_idx - 1;
|
|
for (i = 0; i < ARRAY_SIZE(stats->last_rates); i++) {
|
|
idx = (idx + 1) % ARRAY_SIZE(stats->last_rates);
|
|
if (stats->last_rates[idx] == 0)
|
|
continue;
|
|
pos += scnprintf(pos, endpos - pos, "Rate[%d]: ",
|
|
(int)(ARRAY_SIZE(stats->last_rates) - i));
|
|
pos += rs_pretty_print_rate_v1(pos, endpos - pos,
|
|
stats->last_rates[idx]);
|
|
if (pos < endpos - 1)
|
|
*pos++ = '\n';
|
|
}
|
|
spin_unlock_bh(&mvm->drv_stats_lock);
|
|
|
|
ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
|
|
kfree(buff);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static ssize_t iwl_dbgfs_drv_rx_stats_read(struct file *file,
|
|
char __user *user_buf, size_t count,
|
|
loff_t *ppos)
|
|
{
|
|
struct iwl_mvm *mvm = file->private_data;
|
|
|
|
return iwl_dbgfs_frame_stats_read(mvm, user_buf, count, ppos,
|
|
&mvm->drv_rx_stats);
|
|
}
|
|
|
|
static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
int __maybe_unused ret;
|
|
|
|
if (!iwl_mvm_firmware_running(mvm))
|
|
return -EIO;
|
|
|
|
mutex_lock(&mvm->mutex);
|
|
|
|
/* allow one more restart that we're provoking here */
|
|
if (mvm->fw_restart >= 0)
|
|
mvm->fw_restart++;
|
|
|
|
if (count == 6 && !strcmp(buf, "nolog\n")) {
|
|
set_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE, &mvm->status);
|
|
set_bit(STATUS_SUPPRESS_CMD_ERROR_ONCE, &mvm->trans->status);
|
|
}
|
|
|
|
/* take the return value to make compiler happy - it will fail anyway */
|
|
ret = iwl_mvm_send_cmd_pdu(mvm,
|
|
WIDE_ID(LONG_GROUP, REPLY_ERROR),
|
|
0, 0, NULL);
|
|
|
|
mutex_unlock(&mvm->mutex);
|
|
|
|
return count;
|
|
}
|
|
|
|
static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
if (!iwl_mvm_firmware_running(mvm))
|
|
return -EIO;
|
|
|
|
if (count == 6 && !strcmp(buf, "nolog\n"))
|
|
set_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE, &mvm->status);
|
|
|
|
iwl_force_nmi(mvm->trans);
|
|
|
|
return count;
|
|
}
|
|
|
|
static ssize_t
|
|
iwl_dbgfs_scan_ant_rxchain_read(struct file *file,
|
|
char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct iwl_mvm *mvm = file->private_data;
|
|
int pos = 0;
|
|
char buf[32];
|
|
const size_t bufsz = sizeof(buf);
|
|
|
|
/* print which antennas were set for the scan command by the user */
|
|
pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: ");
|
|
if (mvm->scan_rx_ant & ANT_A)
|
|
pos += scnprintf(buf + pos, bufsz - pos, "A");
|
|
if (mvm->scan_rx_ant & ANT_B)
|
|
pos += scnprintf(buf + pos, bufsz - pos, "B");
|
|
pos += scnprintf(buf + pos, bufsz - pos, " (%x)\n", mvm->scan_rx_ant);
|
|
|
|
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
|
|
}
|
|
|
|
static ssize_t
|
|
iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
u8 scan_rx_ant;
|
|
|
|
if (!iwl_mvm_firmware_running(mvm))
|
|
return -EIO;
|
|
|
|
if (sscanf(buf, "%hhx", &scan_rx_ant) != 1)
|
|
return -EINVAL;
|
|
if (scan_rx_ant > ANT_ABC)
|
|
return -EINVAL;
|
|
if (scan_rx_ant & ~(iwl_mvm_get_valid_rx_ant(mvm)))
|
|
return -EINVAL;
|
|
|
|
if (mvm->scan_rx_ant != scan_rx_ant) {
|
|
mvm->scan_rx_ant = scan_rx_ant;
|
|
if (fw_has_capa(&mvm->fw->ucode_capa,
|
|
IWL_UCODE_TLV_CAPA_UMAC_SCAN))
|
|
iwl_mvm_config_scan(mvm);
|
|
}
|
|
|
|
return count;
|
|
}
|
|
|
|
static ssize_t iwl_dbgfs_indirection_tbl_write(struct iwl_mvm *mvm,
|
|
char *buf, size_t count,
|
|
loff_t *ppos)
|
|
{
|
|
struct iwl_rss_config_cmd cmd = {
|
|
.flags = cpu_to_le32(IWL_RSS_ENABLE),
|
|
.hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP |
|
|
IWL_RSS_HASH_TYPE_IPV4_UDP |
|
|
IWL_RSS_HASH_TYPE_IPV4_PAYLOAD |
|
|
IWL_RSS_HASH_TYPE_IPV6_TCP |
|
|
IWL_RSS_HASH_TYPE_IPV6_UDP |
|
|
IWL_RSS_HASH_TYPE_IPV6_PAYLOAD,
|
|
};
|
|
int ret, i, num_repeats, nbytes = count / 2;
|
|
|
|
ret = hex2bin(cmd.indirection_table, buf, nbytes);
|
|
if (ret)
|
|
return ret;
|
|
|
|
/*
|
|
* The input is the redirection table, partial or full.
|
|
* Repeat the pattern if needed.
|
|
* For example, input of 01020F will be repeated 42 times,
|
|
* indirecting RSS hash results to queues 1, 2, 15 (skipping
|
|
* queues 3 - 14).
|
|
*/
|
|
num_repeats = ARRAY_SIZE(cmd.indirection_table) / nbytes;
|
|
for (i = 1; i < num_repeats; i++)
|
|
memcpy(&cmd.indirection_table[i * nbytes],
|
|
cmd.indirection_table, nbytes);
|
|
/* handle cut in the middle pattern for the last places */
|
|
memcpy(&cmd.indirection_table[i * nbytes], cmd.indirection_table,
|
|
ARRAY_SIZE(cmd.indirection_table) % nbytes);
|
|
|
|
netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key));
|
|
|
|
mutex_lock(&mvm->mutex);
|
|
if (iwl_mvm_firmware_running(mvm))
|
|
ret = iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0,
|
|
sizeof(cmd), &cmd);
|
|
else
|
|
ret = 0;
|
|
mutex_unlock(&mvm->mutex);
|
|
|
|
return ret ?: count;
|
|
}
|
|
|
|
static ssize_t iwl_dbgfs_inject_packet_write(struct iwl_mvm *mvm,
|
|
char *buf, size_t count,
|
|
loff_t *ppos)
|
|
{
|
|
struct iwl_op_mode *opmode = container_of((void *)mvm,
|
|
struct iwl_op_mode,
|
|
op_mode_specific);
|
|
struct iwl_rx_cmd_buffer rxb = {
|
|
._rx_page_order = 0,
|
|
.truesize = 0, /* not used */
|
|
._offset = 0,
|
|
};
|
|
struct iwl_rx_packet *pkt;
|
|
int bin_len = count / 2;
|
|
int ret = -EINVAL;
|
|
|
|
if (!iwl_mvm_firmware_running(mvm))
|
|
return -EIO;
|
|
|
|
/* supporting only MQ RX */
|
|
if (!mvm->trans->trans_cfg->mq_rx_supported)
|
|
return -ENOTSUPP;
|
|
|
|
rxb._page = alloc_pages(GFP_ATOMIC, 0);
|
|
if (!rxb._page)
|
|
return -ENOMEM;
|
|
pkt = rxb_addr(&rxb);
|
|
|
|
ret = hex2bin(page_address(rxb._page), buf, bin_len);
|
|
if (ret)
|
|
goto out;
|
|
|
|
/* avoid invalid memory access and malformed packet */
|
|
if (bin_len < sizeof(*pkt) ||
|
|
bin_len != sizeof(*pkt) + iwl_rx_packet_payload_len(pkt))
|
|
goto out;
|
|
|
|
local_bh_disable();
|
|
iwl_mvm_rx_mq(opmode, NULL, &rxb);
|
|
local_bh_enable();
|
|
ret = 0;
|
|
|
|
out:
|
|
iwl_free_rxb(&rxb);
|
|
|
|
return ret ?: count;
|
|
}
|
|
|
|
static int _iwl_dbgfs_inject_beacon_ie(struct iwl_mvm *mvm, char *bin, int len)
|
|
{
|
|
struct ieee80211_vif *vif;
|
|
struct iwl_mvm_vif *mvmvif;
|
|
struct sk_buff *beacon;
|
|
struct ieee80211_tx_info *info;
|
|
struct iwl_mac_beacon_cmd beacon_cmd = {};
|
|
u8 rate;
|
|
int i;
|
|
|
|
len /= 2;
|
|
|
|
/* Element len should be represented by u8 */
|
|
if (len >= U8_MAX)
|
|
return -EINVAL;
|
|
|
|
if (!iwl_mvm_firmware_running(mvm))
|
|
return -EIO;
|
|
|
|
if (!iwl_mvm_has_new_tx_api(mvm) &&
|
|
!fw_has_api(&mvm->fw->ucode_capa,
|
|
IWL_UCODE_TLV_API_NEW_BEACON_TEMPLATE))
|
|
return -EINVAL;
|
|
|
|
mutex_lock(&mvm->mutex);
|
|
|
|
for (i = 0; i < NUM_MAC_INDEX_DRIVER; i++) {
|
|
vif = iwl_mvm_rcu_dereference_vif_id(mvm, i, false);
|
|
if (!vif)
|
|
continue;
|
|
|
|
if (vif->type == NL80211_IFTYPE_AP)
|
|
break;
|
|
}
|
|
|
|
if (i == NUM_MAC_INDEX_DRIVER || !vif)
|
|
goto out_err;
|
|
|
|
mvm->hw->extra_beacon_tailroom = len;
|
|
|
|
beacon = ieee80211_beacon_get_template(mvm->hw, vif, NULL, 0);
|
|
if (!beacon)
|
|
goto out_err;
|
|
|
|
if (len && hex2bin(skb_put_zero(beacon, len), bin, len)) {
|
|
dev_kfree_skb(beacon);
|
|
goto out_err;
|
|
}
|
|
|
|
mvm->beacon_inject_active = true;
|
|
|
|
mvmvif = iwl_mvm_vif_from_mac80211(vif);
|
|
info = IEEE80211_SKB_CB(beacon);
|
|
rate = iwl_mvm_mac_ctxt_get_beacon_rate(mvm, info, vif);
|
|
|
|
beacon_cmd.flags =
|
|
cpu_to_le16(iwl_mvm_mac_ctxt_get_beacon_flags(mvm->fw, rate));
|
|
beacon_cmd.byte_cnt = cpu_to_le16((u16)beacon->len);
|
|
beacon_cmd.template_id = cpu_to_le32((u32)mvmvif->id);
|
|
|
|
iwl_mvm_mac_ctxt_set_tim(mvm, &beacon_cmd.tim_idx,
|
|
&beacon_cmd.tim_size,
|
|
beacon->data, beacon->len);
|
|
|
|
iwl_mvm_mac_ctxt_send_beacon_cmd(mvm, beacon, &beacon_cmd,
|
|
sizeof(beacon_cmd));
|
|
mutex_unlock(&mvm->mutex);
|
|
|
|
dev_kfree_skb(beacon);
|
|
|
|
return 0;
|
|
|
|
out_err:
|
|
mutex_unlock(&mvm->mutex);
|
|
return -EINVAL;
|
|
}
|
|
|
|
static ssize_t iwl_dbgfs_inject_beacon_ie_write(struct iwl_mvm *mvm,
|
|
char *buf, size_t count,
|
|
loff_t *ppos)
|
|
{
|
|
int ret = _iwl_dbgfs_inject_beacon_ie(mvm, buf, count);
|
|
|
|
mvm->hw->extra_beacon_tailroom = 0;
|
|
return ret ?: count;
|
|
}
|
|
|
|
static ssize_t iwl_dbgfs_inject_beacon_ie_restore_write(struct iwl_mvm *mvm,
|
|
char *buf,
|
|
size_t count,
|
|
loff_t *ppos)
|
|
{
|
|
int ret = _iwl_dbgfs_inject_beacon_ie(mvm, NULL, 0);
|
|
|
|
mvm->hw->extra_beacon_tailroom = 0;
|
|
mvm->beacon_inject_active = false;
|
|
return ret ?: count;
|
|
}
|
|
|
|
static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file,
|
|
char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct iwl_mvm *mvm = file->private_data;
|
|
int conf;
|
|
char buf[8];
|
|
const size_t bufsz = sizeof(buf);
|
|
int pos = 0;
|
|
|
|
mutex_lock(&mvm->mutex);
|
|
conf = mvm->fwrt.dump.conf;
|
|
mutex_unlock(&mvm->mutex);
|
|
|
|
pos += scnprintf(buf + pos, bufsz - pos, "%d\n", conf);
|
|
|
|
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
|
|
}
|
|
|
|
static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm,
|
|
char *buf, size_t count,
|
|
loff_t *ppos)
|
|
{
|
|
unsigned int conf_id;
|
|
int ret;
|
|
|
|
if (!iwl_mvm_firmware_running(mvm))
|
|
return -EIO;
|
|
|
|
ret = kstrtouint(buf, 0, &conf_id);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (WARN_ON(conf_id >= FW_DBG_CONF_MAX))
|
|
return -EINVAL;
|
|
|
|
mutex_lock(&mvm->mutex);
|
|
ret = iwl_fw_start_dbg_conf(&mvm->fwrt, conf_id);
|
|
mutex_unlock(&mvm->mutex);
|
|
|
|
return ret ?: count;
|
|
}
|
|
|
|
static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm,
|
|
char *buf, size_t count,
|
|
loff_t *ppos)
|
|
{
|
|
if (count == 0)
|
|
return 0;
|
|
|
|
iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_USER_TRIGGER,
|
|
NULL);
|
|
|
|
iwl_fw_dbg_collect(&mvm->fwrt, FW_DBG_TRIGGER_USER, buf,
|
|
(count - 1), NULL);
|
|
|
|
return count;
|
|
}
|
|
|
|
static ssize_t iwl_dbgfs_dbg_time_point_write(struct iwl_mvm *mvm,
|
|
char *buf, size_t count,
|
|
loff_t *ppos)
|
|
{
|
|
u32 timepoint;
|
|
|
|
if (kstrtou32(buf, 0, &timepoint))
|
|
return -EINVAL;
|
|
|
|
if (timepoint == IWL_FW_INI_TIME_POINT_INVALID ||
|
|
timepoint >= IWL_FW_INI_TIME_POINT_NUM)
|
|
return -EINVAL;
|
|
|
|
iwl_dbg_tlv_time_point(&mvm->fwrt, timepoint, NULL);
|
|
|
|
return count;
|
|
}
|
|
|
|
#define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \
|
|
_MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
|
|
#define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
|
|
_MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
|
|
#define MVM_DEBUGFS_ADD_FILE_ALIAS(alias, name, parent, mode) do { \
|
|
debugfs_create_file(alias, mode, parent, mvm, \
|
|
&iwl_dbgfs_##name##_ops); \
|
|
} while (0)
|
|
#define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \
|
|
MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode)
|
|
|
|
#define MVM_DEBUGFS_WRITE_STA_FILE_OPS(name, bufsz) \
|
|
_MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct ieee80211_sta)
|
|
#define MVM_DEBUGFS_READ_WRITE_STA_FILE_OPS(name, bufsz) \
|
|
_MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct ieee80211_sta)
|
|
|
|
#define MVM_DEBUGFS_ADD_STA_FILE_ALIAS(alias, name, parent, mode) do { \
|
|
debugfs_create_file(alias, mode, parent, sta, \
|
|
&iwl_dbgfs_##name##_ops); \
|
|
} while (0)
|
|
#define MVM_DEBUGFS_ADD_STA_FILE(name, parent, mode) \
|
|
MVM_DEBUGFS_ADD_STA_FILE_ALIAS(#name, name, parent, mode)
|
|
|
|
static ssize_t
|
|
iwl_dbgfs_prph_reg_read(struct file *file,
|
|
char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct iwl_mvm *mvm = file->private_data;
|
|
int pos = 0;
|
|
char buf[32];
|
|
const size_t bufsz = sizeof(buf);
|
|
|
|
if (!mvm->dbgfs_prph_reg_addr)
|
|
return -EINVAL;
|
|
|
|
pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n",
|
|
mvm->dbgfs_prph_reg_addr,
|
|
iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr));
|
|
|
|
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
|
|
}
|
|
|
|
static ssize_t
|
|
iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
u8 args;
|
|
u32 value;
|
|
|
|
args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value);
|
|
/* if we only want to set the reg address - nothing more to do */
|
|
if (args == 1)
|
|
goto out;
|
|
|
|
/* otherwise, make sure we have both address and value */
|
|
if (args != 2)
|
|
return -EINVAL;
|
|
|
|
iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value);
|
|
|
|
out:
|
|
return count;
|
|
}
|
|
|
|
static ssize_t
|
|
iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm *mvm, char *buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
int ret;
|
|
|
|
if (!iwl_mvm_firmware_running(mvm))
|
|
return -EIO;
|
|
|
|
mutex_lock(&mvm->mutex);
|
|
ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL);
|
|
mutex_unlock(&mvm->mutex);
|
|
|
|
return ret ?: count;
|
|
}
|
|
|
|
struct iwl_mvm_sniffer_apply {
|
|
struct iwl_mvm *mvm;
|
|
u8 *bssid;
|
|
u16 aid;
|
|
};
|
|
|
|
static bool iwl_mvm_sniffer_apply(struct iwl_notif_wait_data *notif_data,
|
|
struct iwl_rx_packet *pkt, void *data)
|
|
{
|
|
struct iwl_mvm_sniffer_apply *apply = data;
|
|
|
|
apply->mvm->cur_aid = cpu_to_le16(apply->aid);
|
|
memcpy(apply->mvm->cur_bssid, apply->bssid,
|
|
sizeof(apply->mvm->cur_bssid));
|
|
|
|
return true;
|
|
}
|
|
|
|
static ssize_t
|
|
iwl_dbgfs_he_sniffer_params_write(struct iwl_mvm *mvm, char *buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct iwl_notification_wait wait;
|
|
struct iwl_he_monitor_cmd he_mon_cmd = {};
|
|
struct iwl_mvm_sniffer_apply apply = {
|
|
.mvm = mvm,
|
|
};
|
|
u16 wait_cmds[] = {
|
|
WIDE_ID(DATA_PATH_GROUP, HE_AIR_SNIFFER_CONFIG_CMD),
|
|
};
|
|
u32 aid;
|
|
int ret;
|
|
|
|
if (!iwl_mvm_firmware_running(mvm))
|
|
return -EIO;
|
|
|
|
ret = sscanf(buf, "%x %2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx", &aid,
|
|
&he_mon_cmd.bssid[0], &he_mon_cmd.bssid[1],
|
|
&he_mon_cmd.bssid[2], &he_mon_cmd.bssid[3],
|
|
&he_mon_cmd.bssid[4], &he_mon_cmd.bssid[5]);
|
|
if (ret != 7)
|
|
return -EINVAL;
|
|
|
|
he_mon_cmd.aid = cpu_to_le16(aid);
|
|
|
|
apply.aid = aid;
|
|
apply.bssid = (void *)he_mon_cmd.bssid;
|
|
|
|
mutex_lock(&mvm->mutex);
|
|
|
|
/*
|
|
* Use the notification waiter to get our function triggered
|
|
* in sequence with other RX. This ensures that frames we get
|
|
* on the RX queue _before_ the new configuration is applied
|
|
* still have mvm->cur_aid pointing to the old AID, and that
|
|
* frames on the RX queue _after_ the firmware processed the
|
|
* new configuration (and sent the response, synchronously)
|
|
* get mvm->cur_aid correctly set to the new AID.
|
|
*/
|
|
iwl_init_notification_wait(&mvm->notif_wait, &wait,
|
|
wait_cmds, ARRAY_SIZE(wait_cmds),
|
|
iwl_mvm_sniffer_apply, &apply);
|
|
|
|
ret = iwl_mvm_send_cmd_pdu(mvm,
|
|
WIDE_ID(DATA_PATH_GROUP, HE_AIR_SNIFFER_CONFIG_CMD),
|
|
0,
|
|
sizeof(he_mon_cmd), &he_mon_cmd);
|
|
|
|
/* no need to really wait, we already did anyway */
|
|
iwl_remove_notification(&mvm->notif_wait, &wait);
|
|
|
|
mutex_unlock(&mvm->mutex);
|
|
|
|
return ret ?: count;
|
|
}
|
|
|
|
static ssize_t
|
|
iwl_dbgfs_he_sniffer_params_read(struct file *file, char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct iwl_mvm *mvm = file->private_data;
|
|
u8 buf[32];
|
|
int len;
|
|
|
|
len = scnprintf(buf, sizeof(buf),
|
|
"%d %02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx\n",
|
|
le16_to_cpu(mvm->cur_aid), mvm->cur_bssid[0],
|
|
mvm->cur_bssid[1], mvm->cur_bssid[2], mvm->cur_bssid[3],
|
|
mvm->cur_bssid[4], mvm->cur_bssid[5]);
|
|
|
|
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
|
|
}
|
|
|
|
static ssize_t
|
|
iwl_dbgfs_uapsd_noagg_bssids_read(struct file *file, char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct iwl_mvm *mvm = file->private_data;
|
|
u8 buf[IWL_MVM_UAPSD_NOAGG_BSSIDS_NUM * ETH_ALEN * 3 + 1];
|
|
unsigned int pos = 0;
|
|
size_t bufsz = sizeof(buf);
|
|
int i;
|
|
|
|
mutex_lock(&mvm->mutex);
|
|
|
|
for (i = 0; i < IWL_MVM_UAPSD_NOAGG_LIST_LEN; i++)
|
|
pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
|
|
mvm->uapsd_noagg_bssids[i].addr);
|
|
|
|
mutex_unlock(&mvm->mutex);
|
|
|
|
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
|
|
}
|
|
|
|
static ssize_t
|
|
iwl_dbgfs_ltr_config_write(struct iwl_mvm *mvm,
|
|
char *buf, size_t count, loff_t *ppos)
|
|
{
|
|
int ret;
|
|
struct iwl_ltr_config_cmd ltr_config = {0};
|
|
|
|
if (!iwl_mvm_firmware_running(mvm))
|
|
return -EIO;
|
|
|
|
if (sscanf(buf, "%x,%x,%x,%x,%x,%x,%x",
|
|
<r_config.flags,
|
|
<r_config.static_long,
|
|
<r_config.static_short,
|
|
<r_config.ltr_cfg_values[0],
|
|
<r_config.ltr_cfg_values[1],
|
|
<r_config.ltr_cfg_values[2],
|
|
<r_config.ltr_cfg_values[3]) != 7) {
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_lock(&mvm->mutex);
|
|
ret = iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, sizeof(ltr_config),
|
|
<r_config);
|
|
mutex_unlock(&mvm->mutex);
|
|
|
|
if (ret)
|
|
IWL_ERR(mvm, "failed to send ltr configuration cmd\n");
|
|
|
|
return ret ?: count;
|
|
}
|
|
|
|
static ssize_t iwl_dbgfs_rfi_freq_table_write(struct iwl_mvm *mvm, char *buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
int ret = 0;
|
|
u16 op_id;
|
|
|
|
if (kstrtou16(buf, 10, &op_id))
|
|
return -EINVAL;
|
|
|
|
/* value zero triggers re-sending the default table to the device */
|
|
if (!op_id) {
|
|
mutex_lock(&mvm->mutex);
|
|
ret = iwl_rfi_send_config_cmd(mvm, NULL);
|
|
mutex_unlock(&mvm->mutex);
|
|
} else {
|
|
ret = -EOPNOTSUPP; /* in the future a new table will be added */
|
|
}
|
|
|
|
return ret ?: count;
|
|
}
|
|
|
|
/* The size computation is as follows:
|
|
* each number needs at most 3 characters, number of rows is the size of
|
|
* the table; So, need 5 chars for the "freq: " part and each tuple afterwards
|
|
* needs 6 characters for numbers and 5 for the punctuation around.
|
|
*/
|
|
#define IWL_RFI_BUF_SIZE (IWL_RFI_LUT_INSTALLED_SIZE *\
|
|
(5 + IWL_RFI_LUT_ENTRY_CHANNELS_NUM * (6 + 5)))
|
|
|
|
static ssize_t iwl_dbgfs_rfi_freq_table_read(struct file *file,
|
|
char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct iwl_mvm *mvm = file->private_data;
|
|
struct iwl_rfi_freq_table_resp_cmd *resp;
|
|
u32 status;
|
|
char buf[IWL_RFI_BUF_SIZE];
|
|
int i, j, pos = 0;
|
|
|
|
resp = iwl_rfi_get_freq_table(mvm);
|
|
if (IS_ERR(resp))
|
|
return PTR_ERR(resp);
|
|
|
|
status = le32_to_cpu(resp->status);
|
|
if (status != RFI_FREQ_TABLE_OK) {
|
|
scnprintf(buf, IWL_RFI_BUF_SIZE, "status = %d\n", status);
|
|
goto out;
|
|
}
|
|
|
|
for (i = 0; i < ARRAY_SIZE(resp->table); i++) {
|
|
pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos, "%d: ",
|
|
resp->table[i].freq);
|
|
|
|
for (j = 0; j < ARRAY_SIZE(resp->table[i].channels); j++)
|
|
pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos,
|
|
"(%d, %d) ",
|
|
resp->table[i].channels[j],
|
|
resp->table[i].bands[j]);
|
|
pos += scnprintf(buf + pos, IWL_RFI_BUF_SIZE - pos, "\n");
|
|
}
|
|
|
|
out:
|
|
kfree(resp);
|
|
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
|
|
}
|
|
|
|
MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64);
|
|
|
|
/* Device wide debugfs entries */
|
|
MVM_DEBUGFS_READ_FILE_OPS(ctdp_budget);
|
|
MVM_DEBUGFS_WRITE_FILE_OPS(stop_ctdp, 8);
|
|
MVM_DEBUGFS_WRITE_FILE_OPS(force_ctkill, 8);
|
|
MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16);
|
|
MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8);
|
|
MVM_DEBUGFS_WRITE_FILE_OPS(send_echo_cmd, 8);
|
|
MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64);
|
|
MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64);
|
|
MVM_DEBUGFS_READ_FILE_OPS(nic_temp);
|
|
MVM_DEBUGFS_READ_FILE_OPS(stations);
|
|
MVM_DEBUGFS_READ_FILE_OPS(rs_data);
|
|
MVM_DEBUGFS_READ_FILE_OPS(bt_notif);
|
|
MVM_DEBUGFS_READ_FILE_OPS(bt_cmd);
|
|
MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64);
|
|
MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats);
|
|
MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats);
|
|
MVM_DEBUGFS_READ_FILE_OPS(fw_ver);
|
|
MVM_DEBUGFS_READ_FILE_OPS(phy_integration_ver);
|
|
MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10);
|
|
MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10);
|
|
MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10);
|
|
MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10);
|
|
MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8);
|
|
MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8);
|
|
MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 64);
|
|
MVM_DEBUGFS_WRITE_FILE_OPS(dbg_time_point, 64);
|
|
MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl,
|
|
(IWL_RSS_INDIRECTION_TABLE_SIZE * 2));
|
|
MVM_DEBUGFS_WRITE_FILE_OPS(inject_packet, 512);
|
|
MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie, 512);
|
|
MVM_DEBUGFS_WRITE_FILE_OPS(inject_beacon_ie_restore, 512);
|
|
|
|
MVM_DEBUGFS_READ_FILE_OPS(uapsd_noagg_bssids);
|
|
|
|
#ifdef CONFIG_ACPI
|
|
MVM_DEBUGFS_READ_FILE_OPS(sar_geo_profile);
|
|
#endif
|
|
|
|
MVM_DEBUGFS_READ_WRITE_STA_FILE_OPS(amsdu_len, 16);
|
|
|
|
MVM_DEBUGFS_READ_WRITE_FILE_OPS(he_sniffer_params, 32);
|
|
|
|
MVM_DEBUGFS_WRITE_FILE_OPS(ltr_config, 512);
|
|
MVM_DEBUGFS_READ_WRITE_FILE_OPS(rfi_freq_table, 16);
|
|
|
|
static ssize_t iwl_dbgfs_mem_read(struct file *file, char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct iwl_mvm *mvm = file->private_data;
|
|
struct iwl_dbg_mem_access_cmd cmd = {};
|
|
struct iwl_dbg_mem_access_rsp *rsp;
|
|
struct iwl_host_cmd hcmd = {
|
|
.flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
|
|
.data = { &cmd, },
|
|
.len = { sizeof(cmd) },
|
|
};
|
|
size_t delta;
|
|
ssize_t ret, len;
|
|
|
|
if (!iwl_mvm_firmware_running(mvm))
|
|
return -EIO;
|
|
|
|
hcmd.id = WIDE_ID(DEBUG_GROUP, *ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR);
|
|
cmd.op = cpu_to_le32(DEBUG_MEM_OP_READ);
|
|
|
|
/* Take care of alignment of both the position and the length */
|
|
delta = *ppos & 0x3;
|
|
cmd.addr = cpu_to_le32(*ppos - delta);
|
|
cmd.len = cpu_to_le32(min(ALIGN(count + delta, 4) / 4,
|
|
(size_t)DEBUG_MEM_MAX_SIZE_DWORDS));
|
|
|
|
mutex_lock(&mvm->mutex);
|
|
ret = iwl_mvm_send_cmd(mvm, &hcmd);
|
|
mutex_unlock(&mvm->mutex);
|
|
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
if (iwl_rx_packet_payload_len(hcmd.resp_pkt) < sizeof(*rsp)) {
|
|
ret = -EIO;
|
|
goto out;
|
|
}
|
|
|
|
rsp = (void *)hcmd.resp_pkt->data;
|
|
if (le32_to_cpu(rsp->status) != DEBUG_MEM_STATUS_SUCCESS) {
|
|
ret = -ENXIO;
|
|
goto out;
|
|
}
|
|
|
|
len = min((size_t)le32_to_cpu(rsp->len) << 2,
|
|
iwl_rx_packet_payload_len(hcmd.resp_pkt) - sizeof(*rsp));
|
|
len = min(len - delta, count);
|
|
if (len < 0) {
|
|
ret = -EFAULT;
|
|
goto out;
|
|
}
|
|
|
|
ret = len - copy_to_user(user_buf, (u8 *)rsp->data + delta, len);
|
|
*ppos += ret;
|
|
|
|
out:
|
|
iwl_free_resp(&hcmd);
|
|
return ret;
|
|
}
|
|
|
|
static ssize_t iwl_dbgfs_mem_write(struct file *file,
|
|
const char __user *user_buf, size_t count,
|
|
loff_t *ppos)
|
|
{
|
|
struct iwl_mvm *mvm = file->private_data;
|
|
struct iwl_dbg_mem_access_cmd *cmd;
|
|
struct iwl_dbg_mem_access_rsp *rsp;
|
|
struct iwl_host_cmd hcmd = {};
|
|
size_t cmd_size;
|
|
size_t data_size;
|
|
u32 op, len;
|
|
ssize_t ret;
|
|
|
|
if (!iwl_mvm_firmware_running(mvm))
|
|
return -EIO;
|
|
|
|
hcmd.id = WIDE_ID(DEBUG_GROUP, *ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR);
|
|
|
|
if (*ppos & 0x3 || count < 4) {
|
|
op = DEBUG_MEM_OP_WRITE_BYTES;
|
|
len = min(count, (size_t)(4 - (*ppos & 0x3)));
|
|
data_size = len;
|
|
} else {
|
|
op = DEBUG_MEM_OP_WRITE;
|
|
len = min(count >> 2, (size_t)DEBUG_MEM_MAX_SIZE_DWORDS);
|
|
data_size = len << 2;
|
|
}
|
|
|
|
cmd_size = sizeof(*cmd) + ALIGN(data_size, 4);
|
|
cmd = kzalloc(cmd_size, GFP_KERNEL);
|
|
if (!cmd)
|
|
return -ENOMEM;
|
|
|
|
cmd->op = cpu_to_le32(op);
|
|
cmd->len = cpu_to_le32(len);
|
|
cmd->addr = cpu_to_le32(*ppos);
|
|
if (copy_from_user((void *)cmd->data, user_buf, data_size)) {
|
|
kfree(cmd);
|
|
return -EFAULT;
|
|
}
|
|
|
|
hcmd.flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
|
|
hcmd.data[0] = (void *)cmd;
|
|
hcmd.len[0] = cmd_size;
|
|
|
|
mutex_lock(&mvm->mutex);
|
|
ret = iwl_mvm_send_cmd(mvm, &hcmd);
|
|
mutex_unlock(&mvm->mutex);
|
|
|
|
kfree(cmd);
|
|
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
if (iwl_rx_packet_payload_len(hcmd.resp_pkt) < sizeof(*rsp)) {
|
|
ret = -EIO;
|
|
goto out;
|
|
}
|
|
|
|
rsp = (void *)hcmd.resp_pkt->data;
|
|
if (rsp->status != DEBUG_MEM_STATUS_SUCCESS) {
|
|
ret = -ENXIO;
|
|
goto out;
|
|
}
|
|
|
|
ret = data_size;
|
|
*ppos += ret;
|
|
|
|
out:
|
|
iwl_free_resp(&hcmd);
|
|
return ret;
|
|
}
|
|
|
|
static const struct file_operations iwl_dbgfs_mem_ops = {
|
|
.read = iwl_dbgfs_mem_read,
|
|
.write = iwl_dbgfs_mem_write,
|
|
.open = simple_open,
|
|
.llseek = default_llseek,
|
|
};
|
|
|
|
void iwl_mvm_sta_add_debugfs(struct ieee80211_hw *hw,
|
|
struct ieee80211_vif *vif,
|
|
struct ieee80211_sta *sta,
|
|
struct dentry *dir)
|
|
{
|
|
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
|
|
|
|
if (iwl_mvm_has_tlc_offload(mvm)) {
|
|
MVM_DEBUGFS_ADD_STA_FILE(rs_data, dir, 0400);
|
|
}
|
|
MVM_DEBUGFS_ADD_STA_FILE(amsdu_len, dir, 0600);
|
|
}
|
|
|
|
void iwl_mvm_dbgfs_register(struct iwl_mvm *mvm)
|
|
{
|
|
struct dentry *bcast_dir __maybe_unused;
|
|
|
|
spin_lock_init(&mvm->drv_stats_lock);
|
|
|
|
MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, 0200);
|
|
MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, 0200);
|
|
MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, 0600);
|
|
MVM_DEBUGFS_ADD_FILE(set_nic_temperature, mvm->debugfs_dir, 0600);
|
|
MVM_DEBUGFS_ADD_FILE(nic_temp, mvm->debugfs_dir, 0400);
|
|
MVM_DEBUGFS_ADD_FILE(ctdp_budget, mvm->debugfs_dir, 0400);
|
|
MVM_DEBUGFS_ADD_FILE(stop_ctdp, mvm->debugfs_dir, 0200);
|
|
MVM_DEBUGFS_ADD_FILE(force_ctkill, mvm->debugfs_dir, 0200);
|
|
MVM_DEBUGFS_ADD_FILE(stations, mvm->debugfs_dir, 0400);
|
|
MVM_DEBUGFS_ADD_FILE(bt_notif, mvm->debugfs_dir, 0400);
|
|
MVM_DEBUGFS_ADD_FILE(bt_cmd, mvm->debugfs_dir, 0400);
|
|
MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir, 0600);
|
|
MVM_DEBUGFS_ADD_FILE(fw_ver, mvm->debugfs_dir, 0400);
|
|
MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, 0400);
|
|
MVM_DEBUGFS_ADD_FILE(drv_rx_stats, mvm->debugfs_dir, 0400);
|
|
MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, 0200);
|
|
MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, 0200);
|
|
MVM_DEBUGFS_ADD_FILE(bt_tx_prio, mvm->debugfs_dir, 0200);
|
|
MVM_DEBUGFS_ADD_FILE(bt_force_ant, mvm->debugfs_dir, 0200);
|
|
MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir, 0600);
|
|
MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, 0600);
|
|
MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, 0600);
|
|
MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, 0200);
|
|
MVM_DEBUGFS_ADD_FILE(dbg_time_point, mvm->debugfs_dir, 0200);
|
|
MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, 0200);
|
|
MVM_DEBUGFS_ADD_FILE(indirection_tbl, mvm->debugfs_dir, 0200);
|
|
MVM_DEBUGFS_ADD_FILE(inject_packet, mvm->debugfs_dir, 0200);
|
|
MVM_DEBUGFS_ADD_FILE(inject_beacon_ie, mvm->debugfs_dir, 0200);
|
|
MVM_DEBUGFS_ADD_FILE(inject_beacon_ie_restore, mvm->debugfs_dir, 0200);
|
|
MVM_DEBUGFS_ADD_FILE(rfi_freq_table, mvm->debugfs_dir, 0600);
|
|
|
|
if (mvm->fw->phy_integration_ver)
|
|
MVM_DEBUGFS_ADD_FILE(phy_integration_ver, mvm->debugfs_dir, 0400);
|
|
#ifdef CONFIG_ACPI
|
|
MVM_DEBUGFS_ADD_FILE(sar_geo_profile, mvm->debugfs_dir, 0400);
|
|
#endif
|
|
MVM_DEBUGFS_ADD_FILE(he_sniffer_params, mvm->debugfs_dir, 0600);
|
|
|
|
if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_LTR_GEN2))
|
|
MVM_DEBUGFS_ADD_FILE(ltr_config, mvm->debugfs_dir, 0200);
|
|
|
|
debugfs_create_bool("enable_scan_iteration_notif", 0600,
|
|
mvm->debugfs_dir, &mvm->scan_iter_notif_enabled);
|
|
debugfs_create_bool("drop_bcn_ap_mode", 0600, mvm->debugfs_dir,
|
|
&mvm->drop_bcn_ap_mode);
|
|
|
|
MVM_DEBUGFS_ADD_FILE(uapsd_noagg_bssids, mvm->debugfs_dir, S_IRUSR);
|
|
|
|
#ifdef CONFIG_PM_SLEEP
|
|
MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, 0400);
|
|
debugfs_create_bool("d3_wake_sysassert", 0600, mvm->debugfs_dir,
|
|
&mvm->d3_wake_sysassert);
|
|
debugfs_create_u32("last_netdetect_scans", 0400, mvm->debugfs_dir,
|
|
&mvm->last_netdetect_scans);
|
|
#endif
|
|
|
|
debugfs_create_u8("ps_disabled", 0400, mvm->debugfs_dir,
|
|
&mvm->ps_disabled);
|
|
debugfs_create_blob("nvm_hw", 0400, mvm->debugfs_dir,
|
|
&mvm->nvm_hw_blob);
|
|
debugfs_create_blob("nvm_sw", 0400, mvm->debugfs_dir,
|
|
&mvm->nvm_sw_blob);
|
|
debugfs_create_blob("nvm_calib", 0400, mvm->debugfs_dir,
|
|
&mvm->nvm_calib_blob);
|
|
debugfs_create_blob("nvm_prod", 0400, mvm->debugfs_dir,
|
|
&mvm->nvm_prod_blob);
|
|
debugfs_create_blob("nvm_phy_sku", 0400, mvm->debugfs_dir,
|
|
&mvm->nvm_phy_sku_blob);
|
|
debugfs_create_blob("nvm_reg", S_IRUSR,
|
|
mvm->debugfs_dir, &mvm->nvm_reg_blob);
|
|
|
|
debugfs_create_file("mem", 0600, mvm->debugfs_dir, mvm,
|
|
&iwl_dbgfs_mem_ops);
|
|
|
|
/*
|
|
* Create a symlink with mac80211. It will be removed when mac80211
|
|
* exists (before the opmode exists which removes the target.)
|
|
*/
|
|
if (!IS_ERR(mvm->debugfs_dir)) {
|
|
char buf[100];
|
|
|
|
snprintf(buf, 100, "../../%pd2", mvm->debugfs_dir->d_parent);
|
|
debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir,
|
|
buf);
|
|
}
|
|
}
|