// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
 * Copyright (C) 2012-2014, 2018-2023, 2025 Intel Corporation
 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
 * Copyright (C) 2016-2017 Intel Deutschland GmbH
 */
#include <linux/vmalloc.h>
#include <linux/err.h>
#include <linux/hex.h>
#include <linux/ieee80211.h>
#include <linux/netdevice.h>
#include <linux/dmi.h>

#include "mvm.h"
#include "sta.h"
#include "iwl-io.h"
#include "debugfs.h"
#include "iwl-modparams.h"
#include "iwl-drv.h"
#include "iwl-utils.h"
#include "fw/error-dump.h"
#include "fw/api/phy-ctxt.h"

static ssize_t iwl_dbgfs_ctdp_budget_read(struct file *file,
                                          char __user *user_buf,
                                          size_t count, loff_t *ppos)
{
        struct iwl_mvm *mvm = file->private_data;
        char buf[16];
        int pos, budget;

        if (!iwl_mvm_is_ctdp_supported(mvm))
                return -EOPNOTSUPP;

        if (!iwl_mvm_firmware_running(mvm) ||
            mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
                return -EIO;

        mutex_lock(&mvm->mutex);
        budget = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_REPORT, 0);
        mutex_unlock(&mvm->mutex);

        if (budget < 0)
                return budget;

        pos = scnprintf(buf, sizeof(buf), "%d\n", budget);

        return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}

static ssize_t iwl_dbgfs_stop_ctdp_write(struct iwl_mvm *mvm, char *buf,
                                         size_t count, loff_t *ppos)
{
        int ret;
        bool force;

        if (!kstrtobool(buf, &force))
                IWL_DEBUG_INFO(mvm,
                               "force start is %d [0=disabled, 1=enabled]\n",
                               force);

        /* we allow skipping cap support check and force stop ctdp
         * statistics collection and with guerantee that it is
         * safe to use.
         */
        if (!force && !iwl_mvm_is_ctdp_supported(mvm))
                return -EOPNOTSUPP;

        if (!iwl_mvm_firmware_running(mvm) ||
            mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
                return -EIO;

        mutex_lock(&mvm->mutex);
        ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_STOP, 0);
        mutex_unlock(&mvm->mutex);

        return ret ?: count;
}

static ssize_t iwl_dbgfs_start_ctdp_write(struct iwl_mvm *mvm,
                                          char *buf, size_t count,
                                          loff_t *ppos)
{
        int ret;
        bool force;

        if (!kstrtobool(buf, &force))
                IWL_DEBUG_INFO(mvm,
                               "force start is %d [0=disabled, 1=enabled]\n",
                               force);

        /* we allow skipping cap support check and force enable ctdp
         * for statistics collection and with guerantee that it is
         * safe to use.
         */
        if (!force && !iwl_mvm_is_ctdp_supported(mvm))
                return -EOPNOTSUPP;

        if (!iwl_mvm_firmware_running(mvm) ||
            mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
                return -EIO;

        mutex_lock(&mvm->mutex);
        ret = iwl_mvm_ctdp_command(mvm, CTDP_CMD_OPERATION_START, 0);
        mutex_unlock(&mvm->mutex);

        return ret ?: count;
}

static ssize_t iwl_dbgfs_force_ctkill_write(struct iwl_mvm *mvm, char *buf,
                                            size_t count, loff_t *ppos)
{
        if (!iwl_mvm_firmware_running(mvm) ||
            mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
                return -EIO;

        iwl_mvm_enter_ctkill(mvm);

        return count;
}

static ssize_t iwl_dbgfs_tx_flush_write(struct iwl_mvm *mvm, char *buf,
                                        size_t count, loff_t *ppos)
{
        int ret;
        u32 flush_arg;

        if (!iwl_mvm_firmware_running(mvm) ||
            mvm->fwrt.cur_fw_img != IWL_UCODE_REGULAR)
                return -EIO;

        if (kstrtou32(buf, 0, &flush_arg))
                return -EINVAL;

        if (iwl_mvm_has_new_tx_api(mvm)) {
                IWL_DEBUG_TX_QUEUES(mvm,
                                    "FLUSHING all tids queues on sta_id = %d\n",
                                    flush_arg);
                mutex_lock(&mvm->mutex);
                ret = iwl_mvm_flush_sta_tids(mvm, flush_arg, 0xFFFF)
                        ? : count;
                mutex_unlock(&mvm->mutex);
                return ret;
        }

        IWL_DEBUG_TX_QUEUES(mvm, "FLUSHING queues mask to flush = 0x%x\n",
                            flush_arg);

        mutex_lock(&mvm->mutex);
        ret =  iwl_mvm_flush_tx_path(mvm, flush_arg) ? : count;
        mutex_unlock(&mvm->mutex);

        return ret;
}

static ssize_t iwl_dbgfs_sram_read(struct file *file, char __user *user_buf,
                                   size_t count, loff_t *ppos)
{
        struct iwl_mvm *mvm = file->private_data;
        const struct fw_img *img;
        unsigned int ofs, len;
        size_t ret;
        u8 *ptr;

        if (!iwl_mvm_firmware_running(mvm))
                return -EINVAL;

        /* default is to dump the entire data segment */
        img = &mvm->fw->img[mvm->fwrt.cur_fw_img];
        ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
        len = img->sec[IWL_UCODE_SECTION_DATA].len;

        if (mvm->dbgfs_sram_len) {
                ofs = mvm->dbgfs_sram_offset;
                len = mvm->dbgfs_sram_len;
        }

        ptr = kzalloc(len, GFP_KERNEL);
        if (!ptr)
                return -ENOMEM;

        iwl_trans_read_mem_bytes(mvm->trans, ofs, ptr, len);

        ret = simple_read_from_buffer(user_buf, count, ppos, ptr, len);

        kfree(ptr);

        return ret;
}

static ssize_t iwl_dbgfs_sram_write(struct iwl_mvm *mvm, char *buf,
                                    size_t count, loff_t *ppos)
{
        const struct fw_img *img;
        u32 offset, len;
        u32 img_offset, img_len;

        if (!iwl_mvm_firmware_running(mvm))
                return -EINVAL;

        img = &mvm->fw->img[mvm->fwrt.cur_fw_img];
        img_offset = img->sec[IWL_UCODE_SECTION_DATA].offset;
        img_len = img->sec[IWL_UCODE_SECTION_DATA].len;

        if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
                if ((offset & 0x3) || (len & 0x3))
                        return -EINVAL;

                if (offset + len > img_offset + img_len)
                        return -EINVAL;

                mvm->dbgfs_sram_offset = offset;
                mvm->dbgfs_sram_len = len;
        } else {
                mvm->dbgfs_sram_offset = 0;
                mvm->dbgfs_sram_len = 0;
        }

        return count;
}

static ssize_t iwl_dbgfs_set_nic_temperature_read(struct file *file,
                                                  char __user *user_buf,
                                                  size_t count, loff_t *ppos)
{
        struct iwl_mvm *mvm = file->private_data;
        char buf[16];
        int pos;

        if (!mvm->temperature_test)
                pos = scnprintf(buf, sizeof(buf), "disabled\n");
        else
                pos = scnprintf(buf, sizeof(buf), "%d\n", mvm->temperature);

        return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}

/*
 * Set NIC Temperature
 * Cause the driver to ignore the actual NIC temperature reported by the FW
 * Enable: any value between IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -
 * IWL_MVM_DEBUG_SET_TEMPERATURE_MAX
 * Disable: IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE
 */
static ssize_t iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm *mvm,
                                                   char *buf, size_t count,
                                                   loff_t *ppos)
{
        int temperature;

        if (!iwl_mvm_firmware_running(mvm) && !mvm->temperature_test)
                return -EIO;

        if (kstrtoint(buf, 10, &temperature))
                return -EINVAL;
        /* not a legal temperature */
        if ((temperature > IWL_MVM_DEBUG_SET_TEMPERATURE_MAX &&
             temperature != IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) ||
            temperature < IWL_MVM_DEBUG_SET_TEMPERATURE_MIN)
                return -EINVAL;

        mutex_lock(&mvm->mutex);
        if (temperature == IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) {
                if (!mvm->temperature_test)
                        goto out;

                mvm->temperature_test = false;
                /* Since we can't read the temp while awake, just set
                 * it to zero until we get the next RX stats from the
                 * firmware.
                 */
                mvm->temperature = 0;
        } else {
                mvm->temperature_test = true;
                mvm->temperature = temperature;
        }
        IWL_DEBUG_TEMP(mvm, "%sabling debug set temperature (temp = %d)\n",
                       mvm->temperature_test ? "En" : "Dis",
                       mvm->temperature);
        /* handle the temperature change */
        iwl_mvm_tt_handler(mvm);

out:
        mutex_unlock(&mvm->mutex);

        return count;
}

static ssize_t iwl_dbgfs_nic_temp_read(struct file *file,
                                       char __user *user_buf,
                                       size_t count, loff_t *ppos)
{
        struct iwl_mvm *mvm = file->private_data;
        char buf[16];
        int pos, ret;
        s32 temp;

        if (!iwl_mvm_firmware_running(mvm))
                return -EIO;

        mutex_lock(&mvm->mutex);
        ret = iwl_mvm_get_temp(mvm, &temp);
        mutex_unlock(&mvm->mutex);

        if (ret)
                return -EIO;

        pos = scnprintf(buf, sizeof(buf), "%d\n", temp);

        return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}

#ifdef CONFIG_ACPI
static ssize_t iwl_dbgfs_sar_geo_profile_read(struct file *file,
                                              char __user *user_buf,
                                              size_t count, loff_t *ppos)
{
        struct iwl_mvm *mvm = file->private_data;
        char buf[256];
        int pos = 0;
        int bufsz = sizeof(buf);
        int tbl_idx;

        if (!iwl_mvm_firmware_running(mvm))
                return -EIO;

        mutex_lock(&mvm->mutex);
        tbl_idx = iwl_mvm_get_sar_geo_profile(mvm);
        if (tbl_idx < 0) {
                mutex_unlock(&mvm->mutex);
                return tbl_idx;
        }

        if (!tbl_idx) {
                pos = scnprintf(buf, bufsz,
                                "SAR geographic profile disabled\n");
        } else {
                pos += scnprintf(buf + pos, bufsz - pos,
                                 "Use geographic profile %d\n", tbl_idx);
                pos += scnprintf(buf + pos, bufsz - pos,
                                 "2.4GHz:\n\tChain A offset: %u dBm\n\tChain B offset: %u dBm\n\tmax tx power: %u dBm\n",
                                 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].chains[0],
                                 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].chains[1],
                                 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].max);
                pos += scnprintf(buf + pos, bufsz - pos,
                                 "5.2GHz:\n\tChain A offset: %u dBm\n\tChain B offset: %u dBm\n\tmax tx power: %u dBm\n",
                                 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].chains[0],
                                 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].chains[1],
                                 mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].max);
        }
        mutex_unlock(&mvm->mutex);

        return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}

static ssize_t iwl_dbgfs_wifi_6e_enable_read(struct file *file,
                                             char __user *user_buf,
                                             size_t count, loff_t *ppos)
{
        struct iwl_mvm *mvm = file->private_data;
        int err, pos;
        char buf[12];
        u32 value;

        err = iwl_bios_get_dsm(&mvm->fwrt, DSM_FUNC_ENABLE_6E, &value);
        if (err)
                return err;

        pos = sprintf(buf, "0x%08x\n", value);

        return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
#endif

static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
                                       size_t count, loff_t *ppos)
{
        struct iwl_mvm *mvm = file->private_data;
        struct ieee80211_sta *sta;
        char buf[400];
        int i, pos = 0, bufsz = sizeof(buf);

        mutex_lock(&mvm->mutex);

        for (i = 0; i < mvm->fw->ucode_capa.num_stations; i++) {
                pos += scnprintf(buf + pos, bufsz - pos, "%.2d: ", i);
                sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
                                                lockdep_is_held(&mvm->mutex));
                if (!sta)
                        pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
                else if (IS_ERR(sta))
                        pos += scnprintf(buf + pos, bufsz - pos, "%ld\n",
                                         PTR_ERR(sta));
                else
                        pos += scnprintf(buf + pos, bufsz - pos, "%pM\n",
                                         sta->addr);
        }

        mutex_unlock(&mvm->mutex);

        return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}

static ssize_t iwl_dbgfs_rs_data_read(struct ieee80211_link_sta *link_sta,
                                      struct iwl_mvm_sta *mvmsta,
                                      struct iwl_mvm *mvm,
                                      struct iwl_mvm_link_sta *mvm_link_sta,
                                      char __user *user_buf,
                                      size_t count, loff_t *ppos)
{
        struct iwl_lq_sta_rs_fw *lq_sta = &mvm_link_sta->lq_sta.rs_fw;
        static const size_t bufsz = 2048;
        char *buff;
        int desc = 0;
        ssize_t ret;

        buff = kmalloc(bufsz, GFP_KERNEL);
        if (!buff)
                return -ENOMEM;

        desc += scnprintf(buff + desc, bufsz - desc, "sta_id %d\n",
                          lq_sta->pers.sta_id);
        desc += scnprintf(buff + desc, bufsz - desc,
                          "fixed rate 0x%X\n",
                          lq_sta->pers.dbg_fixed_rate);
        desc += scnprintf(buff + desc, bufsz - desc,
                          "A-MPDU size limit %d\n",
                          lq_sta->pers.dbg_agg_frame_count_lim);
        desc += scnprintf(buff + desc, bufsz - desc,
                          "valid_tx_ant %s%s\n",
                (iwl_mvm_get_valid_tx_ant(mvm) & ANT_A) ? "ANT_A," : "",
                (iwl_mvm_get_valid_tx_ant(mvm) & ANT_B) ? "ANT_B," : "");
        desc += scnprintf(buff + desc, bufsz - desc,
                          "last tx rate=0x%X ",
                          lq_sta->last_rate_n_flags);

        desc += rs_pretty_print_rate(buff + desc, bufsz - desc,
                                     lq_sta->last_rate_n_flags);
        if (desc < bufsz - 1)
                buff[desc++] = '\n';

        ret = simple_read_from_buffer(user_buf, count, ppos, buff, desc);
        kfree(buff);
        return ret;
}

static ssize_t iwl_dbgfs_amsdu_len_write(struct ieee80211_link_sta *link_sta,
                                         struct iwl_mvm_sta *mvmsta,
                                         struct iwl_mvm *mvm,
                                         struct iwl_mvm_link_sta *mvm_link_sta,
                                         char *buf, size_t count,
                                         loff_t *ppos)
{
        int i;
        u16 amsdu_len;

        if (kstrtou16(buf, 0, &amsdu_len))
                return -EINVAL;

        /* only change from debug set <-> debug unset */
        if (amsdu_len && mvm_link_sta->orig_amsdu_len)
                return -EBUSY;

        if (amsdu_len) {
                mvm_link_sta->orig_amsdu_len = link_sta->agg.max_amsdu_len;
                link_sta->agg.max_amsdu_len = amsdu_len;
                for (i = 0; i < ARRAY_SIZE(link_sta->agg.max_tid_amsdu_len); i++)
                        link_sta->agg.max_tid_amsdu_len[i] = amsdu_len;
        } else {
                link_sta->agg.max_amsdu_len = mvm_link_sta->orig_amsdu_len;
                mvm_link_sta->orig_amsdu_len = 0;
        }

        ieee80211_sta_recalc_aggregates(link_sta->sta);

        return count;
}

static ssize_t iwl_dbgfs_amsdu_len_read(struct ieee80211_link_sta *link_sta,
                                        struct iwl_mvm_sta *mvmsta,
                                        struct iwl_mvm *mvm,
                                        struct iwl_mvm_link_sta *mvm_link_sta,
                                        char __user *user_buf,
                                        size_t count, loff_t *ppos)
{
        char buf[32];
        int pos;

        pos = scnprintf(buf, sizeof(buf), "current %d ",
                        link_sta->agg.max_amsdu_len);
        pos += scnprintf(buf + pos, sizeof(buf) - pos, "stored %d\n",
                         mvm_link_sta->orig_amsdu_len);

        return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}

static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file,
                                                char __user *user_buf,
                                                size_t count, loff_t *ppos)
{
        struct iwl_mvm *mvm = file->private_data;
        char buf[64];
        int bufsz = sizeof(buf);
        int pos = 0;

        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 ssize_t iwl_dbgfs_tas_get_status_read(struct file *file,
                                             char __user *user_buf,
                                             size_t count, loff_t *ppos)
{
        struct iwl_mvm *mvm = file->private_data;
        struct iwl_tas_status_resp *rsp = NULL;
        static const size_t bufsz = 1024;
        char *buff, *pos, *endpos;
        const char * const tas_dis_reason[TAS_DISABLED_REASON_MAX] = {
                [TAS_DISABLED_DUE_TO_BIOS] =
                        "Due To BIOS",
                [TAS_DISABLED_DUE_TO_SAR_6DBM] =
                        "Due To SAR Limit Less Than 6 dBm",
                [TAS_DISABLED_REASON_INVALID] =
                        "N/A",
                [TAS_DISABLED_DUE_TO_TABLE_SOURCE_INVALID] =
                        "Due to table source invalid",
        };
        const char * const tas_current_status[TAS_DYNA_STATUS_MAX] = {
                [TAS_DYNA_INACTIVE] = "INACTIVE",
                [TAS_DYNA_INACTIVE_MVM_MODE] =
                        "inactive due to mvm mode",
                [TAS_DYNA_INACTIVE_TRIGGER_MODE] =
                        "inactive due to trigger mode",
                [TAS_DYNA_INACTIVE_BLOCK_LISTED] =
                        "inactive due to block listed",
                [TAS_DYNA_INACTIVE_UHB_NON_US] =
                        "inactive due to uhb non US",
                [TAS_DYNA_ACTIVE] = "ACTIVE",
        };
        struct iwl_host_cmd hcmd = {
                .id = WIDE_ID(DEBUG_GROUP, GET_TAS_STATUS),
                .flags = CMD_WANT_SKB,
                .len = { 0, },
                .data = { NULL, },
        };
        int ret, i, tmp;
        bool tas_enabled = false;
        unsigned long dyn_status;

        if (!iwl_mvm_firmware_running(mvm))
                return -ENODEV;

        if (iwl_fw_lookup_notif_ver(mvm->fw, DEBUG_GROUP, GET_TAS_STATUS,
                                    0) != 3)
                return -EOPNOTSUPP;

        mutex_lock(&mvm->mutex);
        ret = iwl_mvm_send_cmd(mvm, &hcmd);
        mutex_unlock(&mvm->mutex);
        if (ret < 0)
                return ret;

        buff = kzalloc(bufsz, GFP_KERNEL);
        if (!buff)
                return -ENOMEM;
        pos = buff;
        endpos = pos + bufsz;

        rsp = (void *)hcmd.resp_pkt->data;

        pos += scnprintf(pos, endpos - pos, "TAS Conclusion:\n");
        for (i = 0; i < rsp->in_dual_radio + 1; i++) {
                if (rsp->tas_status_mac[i].dynamic_status &
                    BIT(TAS_DYNA_ACTIVE)) {
                        pos += scnprintf(pos, endpos - pos, "\tON for ");
                        switch (rsp->tas_status_mac[i].band) {
                        case PHY_BAND_5:
                                pos += scnprintf(pos, endpos - pos, "HB\n");
                                break;
                        case PHY_BAND_24:
                                pos += scnprintf(pos, endpos - pos, "LB\n");
                                break;
                        case PHY_BAND_6:
                                pos += scnprintf(pos, endpos - pos, "UHB\n");
                                break;
                        default:
                                pos += scnprintf(pos, endpos - pos,
                                                 "Unsupported band (%d)\n",
                                                 rsp->tas_status_mac[i].band);
                                goto out;
                        }
                        tas_enabled = true;
                }
        }
        if (!tas_enabled)
                pos += scnprintf(pos, endpos - pos, "\tOFF\n");

        pos += scnprintf(pos, endpos - pos, "TAS Report\n");
        pos += scnprintf(pos, endpos - pos, "TAS FW version: %d\n",
                         rsp->tas_fw_version);
        pos += scnprintf(pos, endpos - pos, "Is UHB enabled for USA?: %s\n",
                         rsp->is_uhb_for_usa_enable ? "True" : "False");

        if (fw_has_capa(&mvm->fw->ucode_capa,
                        IWL_UCODE_TLV_CAPA_UHB_CANADA_TAS_SUPPORT))
                pos += scnprintf(pos, endpos - pos,
                                 "Is UHB enabled for CANADA?: %s\n",
                                 rsp->uhb_allowed_flags &
                                 TAS_UHB_ALLOWED_CANADA ? "True" : "False");

        pos += scnprintf(pos, endpos - pos, "Current MCC: 0x%x\n",
                         le16_to_cpu(rsp->curr_mcc));

        pos += scnprintf(pos, endpos - pos, "Block list entries:");
        for (i = 0; i < IWL_WTAS_BLACK_LIST_MAX; i++)
                pos += scnprintf(pos, endpos - pos, " 0x%x",
                                 le16_to_cpu(rsp->block_list[i]));

        pos += scnprintf(pos, endpos - pos, "\nOEM name: %s\n",
                         dmi_get_system_info(DMI_SYS_VENDOR) ?: "<unknown>");
        pos += scnprintf(pos, endpos - pos, "\tVendor In Approved List: %s\n",
                         iwl_is_tas_approved() ? "YES" : "NO");
        pos += scnprintf(pos, endpos - pos,
                         "\tDo TAS Support Dual Radio?: %s\n",
                         rsp->in_dual_radio ? "TRUE" : "FALSE");

        for (i = 0; i < rsp->in_dual_radio + 1; i++) {
                if (rsp->tas_status_mac[i].static_status == 0) {
                        pos += scnprintf(pos, endpos - pos,
                                         "Static status: disabled\n");
                        pos += scnprintf(pos, endpos - pos,
                                         "Static disabled reason: %s (0)\n",
                                         tas_dis_reason[0]);
                        goto out;
                }

                pos += scnprintf(pos, endpos - pos, "TAS status for ");
                switch (rsp->tas_status_mac[i].band) {
                case PHY_BAND_5:
                        pos += scnprintf(pos, endpos - pos, "High band\n");
                        break;
                case PHY_BAND_24:
                        pos += scnprintf(pos, endpos - pos, "Low band\n");
                        break;
                case PHY_BAND_6:
                        pos += scnprintf(pos, endpos - pos,
                                         "Ultra high band\n");
                        break;
                default:
                        pos += scnprintf(pos, endpos - pos,
                                         "Unsupported band (%d)\n",
                                         rsp->tas_status_mac[i].band);
                        goto out;
                }
                pos += scnprintf(pos, endpos - pos, "Static status: %sabled\n",
                                 rsp->tas_status_mac[i].static_status ?
                                 "En" : "Dis");
                pos += scnprintf(pos, endpos - pos,
                                 "\tStatic Disabled Reason: ");
                if (rsp->tas_status_mac[i].static_dis_reason < TAS_DISABLED_REASON_MAX)
                        pos += scnprintf(pos, endpos - pos, "%s (%d)\n",
                                         tas_dis_reason[rsp->tas_status_mac[i].static_dis_reason],
                                         rsp->tas_status_mac[i].static_dis_reason);
                else
                        pos += scnprintf(pos, endpos - pos,
                                         "unsupported value (%d)\n",
                                         rsp->tas_status_mac[i].static_dis_reason);

                pos += scnprintf(pos, endpos - pos, "Dynamic status:\n");
                dyn_status = (rsp->tas_status_mac[i].dynamic_status);
                for_each_set_bit(tmp, &dyn_status, TAS_DYNA_STATUS_MAX) {
                        pos += scnprintf(pos, endpos - pos, "\t%s (%d)\n",
                                         tas_current_status[tmp], tmp);
                }

                pos += scnprintf(pos, endpos - pos,
                                 "Is near disconnection?: %s\n",
                                 rsp->tas_status_mac[i].near_disconnection ?
                                 "True" : "False");
                tmp = le16_to_cpu(rsp->tas_status_mac[i].max_reg_pwr_limit);
                pos += scnprintf(pos, endpos - pos,
                                 "Max. regulatory pwr limit (dBm): %d.%03d\n",
                                 tmp / 8, 125 * (tmp % 8));
                tmp = le16_to_cpu(rsp->tas_status_mac[i].sar_limit);
                pos += scnprintf(pos, endpos - pos,
                                 "SAR limit (dBm): %d.%03d\n",
                                 tmp / 8, 125 * (tmp % 8));
        }

out:
        ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
        kfree(buff);
        iwl_free_resp(&hcmd);
        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;
        u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw,
                                           WIDE_ID(SYSTEM_GROUP,
                                                   SYSTEM_STATISTICS_CMD),
                                           IWL_FW_CMD_VER_UNKNOWN);

        if (cmd_ver != IWL_FW_CMD_VER_UNKNOWN)
                return -EOPNOTSUPP;

        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_fw_system_stats_read(struct file *file,
                                              char __user *user_buf,
                                              size_t count, loff_t *ppos)
{
        char *buff, *pos, *endpos;
        int ret;
        size_t bufsz;
        int i;
        struct iwl_mvm_vif *mvmvif;
        struct ieee80211_vif *vif;
        struct iwl_mvm *mvm = file->private_data;
        u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw,
                                           WIDE_ID(SYSTEM_GROUP,
                                                   SYSTEM_STATISTICS_CMD),
                                           IWL_FW_CMD_VER_UNKNOWN);

        /* in case of a wrong cmd version, allocate buffer only for error msg */
        bufsz = (cmd_ver == 1) ? 4096 : 64;

        buff = kzalloc(bufsz, GFP_KERNEL);
        if (!buff)
                return -ENOMEM;

        pos = buff;
        endpos = pos + bufsz;

        if (cmd_ver != 1) {
                pos += scnprintf(pos, endpos - pos,
                                 "System stats not supported:%d\n", cmd_ver);
                goto send_out;
        }

        mutex_lock(&mvm->mutex);
        if (iwl_mvm_firmware_running(mvm))
                iwl_mvm_request_statistics(mvm, false);

        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_STATION)
                        break;
        }

        if (i == NUM_MAC_INDEX_DRIVER || !vif) {
                pos += scnprintf(pos, endpos - pos, "vif is NULL\n");
                goto release_send_out;
        }

        mvmvif = iwl_mvm_vif_from_mac80211(vif);
        if (!mvmvif) {
                pos += scnprintf(pos, endpos - pos, "mvmvif is NULL\n");
                goto release_send_out;
        }

        for_each_mvm_vif_valid_link(mvmvif, i) {
                struct iwl_mvm_vif_link_info *link_info = mvmvif->link[i];

                pos += scnprintf(pos, endpos - pos,
                                 "link_id %d", i);
                pos += scnprintf(pos, endpos - pos,
                                 " num_beacons %d",
                                 link_info->beacon_stats.num_beacons);
                pos += scnprintf(pos, endpos - pos,
                                 " accu_num_beacons %d",
                                 link_info->beacon_stats.accu_num_beacons);
                pos += scnprintf(pos, endpos - pos,
                                 " avg_signal %d\n",
                                 link_info->beacon_stats.avg_signal);
        }

        pos += scnprintf(pos, endpos - pos,
                         "radio_stats.rx_time %lld\n",
                         mvm->radio_stats.rx_time);
        pos += scnprintf(pos, endpos - pos,
                         "radio_stats.tx_time %lld\n",
                         mvm->radio_stats.tx_time);
        pos += scnprintf(pos, endpos - pos,
                         "accu_radio_stats.rx_time %lld\n",
                         mvm->accu_radio_stats.rx_time);
        pos += scnprintf(pos, endpos - pos,
                         "accu_radio_stats.tx_time %lld\n",
                         mvm->accu_radio_stats.tx_time);

release_send_out:
        mutex_unlock(&mvm->mutex);

send_out:
        ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
        kfree(buff);

        return ret;
}

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);

        if (count == 6 && !strcmp(buf, "nolog\n")) {
                set_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE, &mvm->status);
                mvm->trans->suppress_cmd_error_once = true;
        }

        /* 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;

        IWL_ERR(mvm, "Triggering an NMI from debugfs\n");

        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->mac_cfg->mq_rx_supported)
                return -EOPNOTSUPP;

        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 = {};
        unsigned int link_id;
        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);

        for_each_mvm_vif_valid_link(mvmvif, link_id) {
                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);
                if (iwl_fw_lookup_cmd_ver(mvm->fw, BEACON_TEMPLATE_CMD, 0) > 12)
                        beacon_cmd.link_id =
                                cpu_to_le32(mvmvif->link[link_id]->fw_link_id);
                else
                        beacon_cmd.link_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);

                if (iwl_fw_lookup_cmd_ver(mvm->fw,
                                          BEACON_TEMPLATE_CMD, 0) >= 14) {
                        u32 offset = iwl_find_ie_offset(beacon->data,
                                                        WLAN_EID_S1G_TWT,
                                                        beacon->len);

                        beacon_cmd.btwt_offset = cpu_to_le32(offset);
                }

                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_clear_write(struct iwl_mvm *mvm,
                                            char *buf, size_t count,
                                            loff_t *ppos)
{
        if (mvm->trans->mac_cfg->device_family < IWL_DEVICE_FAMILY_9000)
                return -EOPNOTSUPP;

        /*
         * If the firmware is not running, silently succeed since there is
         * no data to clear.
         */
        if (!iwl_mvm_firmware_running(mvm))
                return count;

        mutex_lock(&mvm->mutex);
        iwl_fw_dbg_clear_monitor_buf(&mvm->fwrt);
        mutex_unlock(&mvm->mutex);

        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)

static ssize_t
_iwl_dbgfs_link_sta_wrap_write(ssize_t (*real)(struct ieee80211_link_sta *,
                                               struct iwl_mvm_sta *,
                                               struct iwl_mvm *,
                                               struct iwl_mvm_link_sta *,
                                               char *,
                                               size_t, loff_t *),
                           struct file *file,
                           char *buf, size_t buf_size, loff_t *ppos)
{
        struct ieee80211_link_sta *link_sta = file->private_data;
        struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(link_sta->sta);
        struct iwl_mvm *mvm = iwl_mvm_vif_from_mac80211(mvmsta->vif)->mvm;
        struct iwl_mvm_link_sta *mvm_link_sta;
        ssize_t ret;

        mutex_lock(&mvm->mutex);

        mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_sta->link_id],
                                                 lockdep_is_held(&mvm->mutex));
        if (WARN_ON(!mvm_link_sta)) {
                mutex_unlock(&mvm->mutex);
                return -ENODEV;
        }

        ret = real(link_sta, mvmsta, mvm, mvm_link_sta, buf, buf_size, ppos);

        mutex_unlock(&mvm->mutex);

        return ret;
}

static ssize_t
_iwl_dbgfs_link_sta_wrap_read(ssize_t (*real)(struct ieee80211_link_sta *,
                                              struct iwl_mvm_sta *,
                                              struct iwl_mvm *,
                                              struct iwl_mvm_link_sta *,
                                              char __user *,
                                              size_t, loff_t *),
                           struct file *file,
                           char __user *user_buf, size_t count, loff_t *ppos)
{
        struct ieee80211_link_sta *link_sta = file->private_data;
        struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(link_sta->sta);
        struct iwl_mvm *mvm = iwl_mvm_vif_from_mac80211(mvmsta->vif)->mvm;
        struct iwl_mvm_link_sta *mvm_link_sta;
        ssize_t ret;

        mutex_lock(&mvm->mutex);

        mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_sta->link_id],
                                                 lockdep_is_held(&mvm->mutex));
        if (WARN_ON(!mvm_link_sta)) {
                mutex_unlock(&mvm->mutex);
                return -ENODEV;
        }

        ret = real(link_sta, mvmsta, mvm, mvm_link_sta, user_buf, count, ppos);

        mutex_unlock(&mvm->mutex);

        return ret;
}

#define MVM_DEBUGFS_LINK_STA_WRITE_WRAPPER(name, buflen)                \
static ssize_t _iwl_dbgfs_link_sta_##name##_write(struct file *file,    \
                                         const char __user *user_buf,   \
                                         size_t count, loff_t *ppos)    \
{                                                                       \
        char buf[buflen] = {};                                          \
        size_t buf_size = min(count, sizeof(buf) -  1);                 \
                                                                        \
        if (copy_from_user(buf, user_buf, buf_size))                    \
                return -EFAULT;                                         \
                                                                        \
        return _iwl_dbgfs_link_sta_wrap_write(iwl_dbgfs_##name##_write, \
                                              file,                     \
                                              buf, buf_size, ppos);     \
}                                                                       \

#define MVM_DEBUGFS_LINK_STA_READ_WRAPPER(name)         \
static ssize_t _iwl_dbgfs_link_sta_##name##_read(struct file *file,     \
                                         char __user *user_buf,         \
                                         size_t count, loff_t *ppos)    \
{                                                                       \
        return _iwl_dbgfs_link_sta_wrap_read(iwl_dbgfs_##name##_read,   \
                                             file,                      \
                                             user_buf, count, ppos);    \
}                                                                       \

#define MVM_DEBUGFS_WRITE_LINK_STA_FILE_OPS(name, bufsz)                \
MVM_DEBUGFS_LINK_STA_WRITE_WRAPPER(name, bufsz)                         \
static const struct file_operations iwl_dbgfs_link_sta_##name##_ops = { \
        .write = _iwl_dbgfs_link_sta_##name##_write,                    \
        .open = simple_open,                                            \
        .llseek = generic_file_llseek,                                  \
}

#define MVM_DEBUGFS_READ_LINK_STA_FILE_OPS(name)                        \
MVM_DEBUGFS_LINK_STA_READ_WRAPPER(name)                                 \
static const struct file_operations iwl_dbgfs_link_sta_##name##_ops = { \
        .read = _iwl_dbgfs_link_sta_##name##_read,                      \
        .open = simple_open,                                            \
        .llseek = generic_file_llseek,                                  \
}

#define MVM_DEBUGFS_READ_WRITE_LINK_STA_FILE_OPS(name, bufsz)           \
MVM_DEBUGFS_LINK_STA_READ_WRAPPER(name)                                 \
MVM_DEBUGFS_LINK_STA_WRITE_WRAPPER(name, bufsz)                         \
static const struct file_operations iwl_dbgfs_link_sta_##name##_ops = { \
        .read = _iwl_dbgfs_link_sta_##name##_read,                      \
        .write = _iwl_dbgfs_link_sta_##name##_write,                    \
        .open = simple_open,                                            \
        .llseek = generic_file_llseek,                                  \
}

#define MVM_DEBUGFS_ADD_LINK_STA_FILE_ALIAS(alias, name, parent, mode)  \
                debugfs_create_file(alias, mode, parent, link_sta,      \
                                    &iwl_dbgfs_link_sta_##name##_ops)
#define MVM_DEBUGFS_ADD_LINK_STA_FILE(name, parent, mode) \
        MVM_DEBUGFS_ADD_LINK_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",
                   &ltr_config.flags,
                   &ltr_config.static_long,
                   &ltr_config.static_short,
                   &ltr_config.ltr_cfg_values[0],
                   &ltr_config.ltr_cfg_values[1],
                   &ltr_config.ltr_cfg_values[2],
                   &ltr_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),
                                   &ltr_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(start_ctdp, 8);
MVM_DEBUGFS_WRITE_FILE_OPS(force_ctkill, 8);
MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16);
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_LINK_STA_FILE_OPS(rs_data);
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_system_stats);
MVM_DEBUGFS_READ_FILE_OPS(phy_integration_ver);
MVM_DEBUGFS_READ_FILE_OPS(tas_get_status);
MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10);
MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 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_clear, 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);
MVM_DEBUGFS_READ_FILE_OPS(wifi_6e_enable);
#endif

MVM_DEBUGFS_READ_WRITE_LINK_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_link_sta_add_debugfs(struct ieee80211_hw *hw,
                                  struct ieee80211_vif *vif,
                                  struct ieee80211_link_sta *link_sta,
                                  struct dentry *dir)
{
        struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);

        if (iwl_mvm_has_tlc_offload(mvm)) {
                MVM_DEBUGFS_ADD_LINK_STA_FILE(rs_data, dir, 0400);
        }

        MVM_DEBUGFS_ADD_LINK_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(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(start_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(disable_power_off, mvm->debugfs_dir, 0600);
        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_system_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(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_clear, 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);
        MVM_DEBUGFS_ADD_FILE(tas_get_status, mvm->debugfs_dir, 0400);
#ifdef CONFIG_ACPI
        MVM_DEBUGFS_ADD_FILE(sar_geo_profile, mvm->debugfs_dir, 0400);
        MVM_DEBUGFS_ADD_FILE(wifi_6e_enable, 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
        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);

        debugfs_create_bool("rx_ts_ptp", 0600, mvm->debugfs_dir,
                            &mvm->rx_ts_ptp);

        /*
         * 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);
        }
}