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2142 lines
58 KiB
2142 lines
58 KiB
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause |
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/* |
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* Copyright (C) 2012-2014, 2018-2021 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/ieee80211.h> |
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#include <linux/netdevice.h> |
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|
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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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|
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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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|
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if (!iwl_mvm_is_ctdp_supported(mvm)) |
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return -EOPNOTSUPP; |
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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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|
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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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|
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if (budget < 0) |
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return budget; |
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|
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pos = scnprintf(buf, sizeof(buf), "%d\n", budget); |
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|
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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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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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|
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if (!iwl_mvm_is_ctdp_supported(mvm)) |
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return -EOPNOTSUPP; |
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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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|
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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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|
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return ret ?: count; |
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} |
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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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|
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iwl_mvm_enter_ctkill(mvm); |
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|
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return count; |
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} |
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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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|
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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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|
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if (kstrtou32(buf, 0, &flush_arg)) |
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return -EINVAL; |
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|
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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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|
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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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|
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return ret; |
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} |
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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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|
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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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|
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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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|
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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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|
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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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|
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if (!iwl_mvm_firmware_running(mvm)) |
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return -EINVAL; |
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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/* |
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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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|
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if (!iwl_mvm_firmware_running(mvm) && !mvm->temperature_test) |
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return -EIO; |
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|
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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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|
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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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|
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out: |
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mutex_unlock(&mvm->mutex); |
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|
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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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u8 *value; |
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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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value = &mvm->fwrt.geo_profiles[tbl_idx - 1].values[0]; |
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|
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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: %hhu dBm\n\tChain B offset: %hhu dBm\n\tmax tx power: %hhu dBm\n", |
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value[1], value[2], value[0]); |
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pos += scnprintf(buf + pos, bufsz - pos, |
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"5.2GHz:\n\tChain A offset: %hhu dBm\n\tChain B offset: %hhu dBm\n\tmax tx power: %hhu dBm\n", |
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value[4], value[5], value[3]); |
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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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|
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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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|
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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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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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|
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mutex_lock(&mvm->mutex); |
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|
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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%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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(iwl_mvm_get_valid_tx_ant(mvm) & ANT_C) ? "ANT_C" : ""); |
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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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|
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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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|
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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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|
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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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|
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if (kstrtou16(buf, 0, &amsdu_len)) |
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return -EINVAL; |
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|
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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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(!!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->max_amsdu_len; |
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sta->max_amsdu_len = amsdu_len; |
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for (i = 0; i < ARRAY_SIZE(sta->max_tid_amsdu_len); i++) |
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sta->max_tid_amsdu_len[i] = amsdu_len; |
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} else { |
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sta->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->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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|
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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", |
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mvm->disable_power_off); |
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pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d3=%d\n", |
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mvm->disable_power_off_d3); |
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|
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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_write(struct iwl_mvm *mvm, char *buf, |
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size_t count, loff_t *ppos) |
|
{ |
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int ret, val; |
|
|
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if (!iwl_mvm_firmware_running(mvm)) |
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return -EIO; |
|
|
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if (!strncmp("disable_power_off_d0=", buf, 21)) { |
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if (sscanf(buf + 21, "%d", &val) != 1) |
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return -EINVAL; |
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mvm->disable_power_off = val; |
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} else if (!strncmp("disable_power_off_d3=", buf, 21)) { |
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if (sscanf(buf + 21, "%d", &val) != 1) |
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return -EINVAL; |
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mvm->disable_power_off_d3 = val; |
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} else { |
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return -EINVAL; |
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} |
|
|
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mutex_lock(&mvm->mutex); |
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ret = iwl_mvm_power_update_device(mvm); |
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mutex_unlock(&mvm->mutex); |
|
|
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return ret ?: count; |
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} |
|
|
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static |
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int iwl_mvm_coex_dump_mbox(struct iwl_bt_coex_profile_notif *notif, char *buf, |
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int pos, int bufsz) |
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{ |
|
pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n"); |
|
|
|
BT_MBOX_PRINT(0, LE_SLAVE_LAT, false); |
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BT_MBOX_PRINT(0, LE_PROF1, false); |
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BT_MBOX_PRINT(0, LE_PROF2, false); |
|
BT_MBOX_PRINT(0, LE_PROF_OTHER, false); |
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BT_MBOX_PRINT(0, CHL_SEQ_N, false); |
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BT_MBOX_PRINT(0, INBAND_S, false); |
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BT_MBOX_PRINT(0, LE_MIN_RSSI, false); |
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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(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++; |
|
|
|
/* take the return value to make compiler happy - it will fail anyway */ |
|
ret = iwl_mvm_send_cmd_pdu(mvm, 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; |
|
|
|
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"); |
|
if (mvm->scan_rx_ant & ANT_C) |
|
pos += scnprintf(buf + pos, bufsz - pos, "C"); |
|
pos += scnprintf(buf + pos, bufsz - pos, " (%hhx)\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; |
|
u16 flags; |
|
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); |
|
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_lowest_rate(info, vif); |
|
flags = iwl_mvm_mac80211_idx_to_hwrate(rate); |
|
|
|
if (rate == IWL_FIRST_CCK_RATE) |
|
flags |= IWL_MAC_BEACON_CCK; |
|
|
|
beacon_cmd.flags = cpu_to_le16(flags); |
|
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 ADD_TEXT(...) pos += scnprintf(buf + pos, bufsz - pos, __VA_ARGS__) |
|
#ifdef CONFIG_IWLWIFI_BCAST_FILTERING |
|
static ssize_t iwl_dbgfs_bcast_filters_read(struct file *file, |
|
char __user *user_buf, |
|
size_t count, loff_t *ppos) |
|
{ |
|
struct iwl_mvm *mvm = file->private_data; |
|
struct iwl_bcast_filter_cmd cmd; |
|
const struct iwl_fw_bcast_filter *filter; |
|
char *buf; |
|
int bufsz = 1024; |
|
int i, j, pos = 0; |
|
ssize_t ret; |
|
|
|
buf = kzalloc(bufsz, GFP_KERNEL); |
|
if (!buf) |
|
return -ENOMEM; |
|
|
|
mutex_lock(&mvm->mutex); |
|
if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) { |
|
ADD_TEXT("None\n"); |
|
mutex_unlock(&mvm->mutex); |
|
goto out; |
|
} |
|
mutex_unlock(&mvm->mutex); |
|
|
|
for (i = 0; cmd.filters[i].attrs[0].mask; i++) { |
|
filter = &cmd.filters[i]; |
|
|
|
ADD_TEXT("Filter [%d]:\n", i); |
|
ADD_TEXT("\tDiscard=%d\n", filter->discard); |
|
ADD_TEXT("\tFrame Type: %s\n", |
|
filter->frame_type ? "IPv4" : "Generic"); |
|
|
|
for (j = 0; j < ARRAY_SIZE(filter->attrs); j++) { |
|
const struct iwl_fw_bcast_filter_attr *attr; |
|
|
|
attr = &filter->attrs[j]; |
|
if (!attr->mask) |
|
break; |
|
|
|
ADD_TEXT("\tAttr [%d]: offset=%d (from %s), mask=0x%x, value=0x%x reserved=0x%x\n", |
|
j, attr->offset, |
|
attr->offset_type ? "IP End" : |
|
"Payload Start", |
|
be32_to_cpu(attr->mask), |
|
be32_to_cpu(attr->val), |
|
le16_to_cpu(attr->reserved1)); |
|
} |
|
} |
|
out: |
|
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
|
kfree(buf); |
|
return ret; |
|
} |
|
|
|
static ssize_t iwl_dbgfs_bcast_filters_write(struct iwl_mvm *mvm, char *buf, |
|
size_t count, loff_t *ppos) |
|
{ |
|
int pos, next_pos; |
|
struct iwl_fw_bcast_filter filter = {}; |
|
struct iwl_bcast_filter_cmd cmd; |
|
u32 filter_id, attr_id, mask, value; |
|
int err = 0; |
|
|
|
if (sscanf(buf, "%d %hhi %hhi %n", &filter_id, &filter.discard, |
|
&filter.frame_type, &pos) != 3) |
|
return -EINVAL; |
|
|
|
if (filter_id >= ARRAY_SIZE(mvm->dbgfs_bcast_filtering.cmd.filters) || |
|
filter.frame_type > BCAST_FILTER_FRAME_TYPE_IPV4) |
|
return -EINVAL; |
|
|
|
for (attr_id = 0; attr_id < ARRAY_SIZE(filter.attrs); |
|
attr_id++) { |
|
struct iwl_fw_bcast_filter_attr *attr = |
|
&filter.attrs[attr_id]; |
|
|
|
if (pos >= count) |
|
break; |
|
|
|
if (sscanf(&buf[pos], "%hhi %hhi %i %i %n", |
|
&attr->offset, &attr->offset_type, |
|
&mask, &value, &next_pos) != 4) |
|
return -EINVAL; |
|
|
|
attr->mask = cpu_to_be32(mask); |
|
attr->val = cpu_to_be32(value); |
|
if (mask) |
|
filter.num_attrs++; |
|
|
|
pos += next_pos; |
|
} |
|
|
|
mutex_lock(&mvm->mutex); |
|
memcpy(&mvm->dbgfs_bcast_filtering.cmd.filters[filter_id], |
|
&filter, sizeof(filter)); |
|
|
|
/* send updated bcast filtering configuration */ |
|
if (iwl_mvm_firmware_running(mvm) && |
|
mvm->dbgfs_bcast_filtering.override && |
|
iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) |
|
err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0, |
|
sizeof(cmd), &cmd); |
|
mutex_unlock(&mvm->mutex); |
|
|
|
return err ?: count; |
|
} |
|
|
|
static ssize_t iwl_dbgfs_bcast_filters_macs_read(struct file *file, |
|
char __user *user_buf, |
|
size_t count, loff_t *ppos) |
|
{ |
|
struct iwl_mvm *mvm = file->private_data; |
|
struct iwl_bcast_filter_cmd cmd; |
|
char *buf; |
|
int bufsz = 1024; |
|
int i, pos = 0; |
|
ssize_t ret; |
|
|
|
buf = kzalloc(bufsz, GFP_KERNEL); |
|
if (!buf) |
|
return -ENOMEM; |
|
|
|
mutex_lock(&mvm->mutex); |
|
if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) { |
|
ADD_TEXT("None\n"); |
|
mutex_unlock(&mvm->mutex); |
|
goto out; |
|
} |
|
mutex_unlock(&mvm->mutex); |
|
|
|
for (i = 0; i < ARRAY_SIZE(cmd.macs); i++) { |
|
const struct iwl_fw_bcast_mac *mac = &cmd.macs[i]; |
|
|
|
ADD_TEXT("Mac [%d]: discard=%d attached_filters=0x%x\n", |
|
i, mac->default_discard, mac->attached_filters); |
|
} |
|
out: |
|
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); |
|
kfree(buf); |
|
return ret; |
|
} |
|
|
|
static ssize_t iwl_dbgfs_bcast_filters_macs_write(struct iwl_mvm *mvm, |
|
char *buf, size_t count, |
|
loff_t *ppos) |
|
{ |
|
struct iwl_bcast_filter_cmd cmd; |
|
struct iwl_fw_bcast_mac mac = {}; |
|
u32 mac_id, attached_filters; |
|
int err = 0; |
|
|
|
if (!mvm->bcast_filters) |
|
return -ENOENT; |
|
|
|
if (sscanf(buf, "%d %hhi %i", &mac_id, &mac.default_discard, |
|
&attached_filters) != 3) |
|
return -EINVAL; |
|
|
|
if (mac_id >= ARRAY_SIZE(cmd.macs) || |
|
mac.default_discard > 1 || |
|
attached_filters >= BIT(ARRAY_SIZE(cmd.filters))) |
|
return -EINVAL; |
|
|
|
mac.attached_filters = cpu_to_le16(attached_filters); |
|
|
|
mutex_lock(&mvm->mutex); |
|
memcpy(&mvm->dbgfs_bcast_filtering.cmd.macs[mac_id], |
|
&mac, sizeof(mac)); |
|
|
|
/* send updated bcast filtering configuration */ |
|
if (iwl_mvm_firmware_running(mvm) && |
|
mvm->dbgfs_bcast_filtering.override && |
|
iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) |
|
err = iwl_mvm_send_cmd_pdu(mvm, BCAST_FILTER_CMD, 0, |
|
sizeof(cmd), &cmd); |
|
mutex_unlock(&mvm->mutex); |
|
|
|
return err ?: count; |
|
} |
|
#endif |
|
|
|
#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[] = { |
|
iwl_cmd_id(HE_AIR_SNIFFER_CONFIG_CMD, DATA_PATH_GROUP, 0), |
|
}; |
|
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, iwl_cmd_id(HE_AIR_SNIFFER_CONFIG_CMD, |
|
DATA_PATH_GROUP, 0), 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_IWLWIFI_BCAST_FILTERING |
|
MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters, 256); |
|
MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters_macs, 256); |
|
#endif |
|
|
|
#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 = iwl_cmd_id(*ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR, |
|
DEBUG_GROUP, 0); |
|
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; |
|
|
|
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, (void *)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 = iwl_cmd_id(*ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR, |
|
DEBUG_GROUP, 0); |
|
|
|
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; |
|
|
|
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; |
|
char buf[100]; |
|
|
|
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(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_IWLWIFI_BCAST_FILTERING |
|
if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING) { |
|
bcast_dir = debugfs_create_dir("bcast_filtering", |
|
mvm->debugfs_dir); |
|
|
|
debugfs_create_bool("override", 0600, bcast_dir, |
|
&mvm->dbgfs_bcast_filtering.override); |
|
|
|
MVM_DEBUGFS_ADD_FILE_ALIAS("filters", bcast_filters, |
|
bcast_dir, 0600); |
|
MVM_DEBUGFS_ADD_FILE_ALIAS("macs", bcast_filters_macs, |
|
bcast_dir, 0600); |
|
} |
|
#endif |
|
|
|
#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.) |
|
*/ |
|
snprintf(buf, 100, "../../%pd2", mvm->debugfs_dir->d_parent); |
|
debugfs_create_symlink("iwlwifi", mvm->hw->wiphy->debugfsdir, buf); |
|
}
|
|
|