root/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
// SPDX-License-Identifier: BSD-3-Clause-Clear
/* Copyright (C) 2020 MediaTek Inc. */

#include <linux/relay.h>
#include "mt7915.h"
#include "eeprom.h"
#include "mcu.h"
#include "mac.h"

#define FW_BIN_LOG_MAGIC        0x44e98caf

/** global debugfs **/

struct hw_queue_map {
        const char *name;
        u8 index;
        u8 pid;
        u8 qid;
};

static int
mt7915_implicit_txbf_set(void *data, u64 val)
{
        struct mt7915_dev *dev = data;

        /* The existing connected stations shall reconnect to apply
         * new implicit txbf configuration.
         */
        dev->ibf = !!val;

        return mt7915_mcu_set_txbf(dev, MT_BF_TYPE_UPDATE);
}

static int
mt7915_implicit_txbf_get(void *data, u64 *val)
{
        struct mt7915_dev *dev = data;

        *val = dev->ibf;

        return 0;
}

DEFINE_DEBUGFS_ATTRIBUTE(fops_implicit_txbf, mt7915_implicit_txbf_get,
                         mt7915_implicit_txbf_set, "%lld\n");

/* test knob of system error recovery */
static ssize_t
mt7915_sys_recovery_set(struct file *file, const char __user *user_buf,
                        size_t count, loff_t *ppos)
{
        struct mt7915_phy *phy = file->private_data;
        struct mt7915_dev *dev = phy->dev;
        bool band = phy->mt76->band_idx;
        char buf[16];
        int ret = 0;
        u16 val;

        if (count >= sizeof(buf))
                return -EINVAL;

        if (copy_from_user(buf, user_buf, count))
                return -EFAULT;

        if (count && buf[count - 1] == '\n')
                buf[count - 1] = '\0';
        else
                buf[count] = '\0';

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

        switch (val) {
        /*
         * 0: grab firmware current SER state.
         * 1: trigger & enable system error L1 recovery.
         * 2: trigger & enable system error L2 recovery.
         * 3: trigger & enable system error L3 rx abort.
         * 4: trigger & enable system error L3 tx abort
         * 5: trigger & enable system error L3 tx disable.
         * 6: trigger & enable system error L3 bf recovery.
         * 7: trigger & enable system error full recovery.
         * 8: trigger firmware crash.
         */
        case SER_QUERY:
                ret = mt7915_mcu_set_ser(dev, 0, 0, band);
                break;
        case SER_SET_RECOVER_L1:
        case SER_SET_RECOVER_L2:
        case SER_SET_RECOVER_L3_RX_ABORT:
        case SER_SET_RECOVER_L3_TX_ABORT:
        case SER_SET_RECOVER_L3_TX_DISABLE:
        case SER_SET_RECOVER_L3_BF:
                ret = mt7915_mcu_set_ser(dev, SER_ENABLE, BIT(val), band);
                if (ret)
                        return ret;

                ret = mt7915_mcu_set_ser(dev, SER_RECOVER, val, band);
                break;

        /* enable full chip reset */
        case SER_SET_RECOVER_FULL:
                mt76_set(dev, MT_WFDMA0_MCU_HOST_INT_ENA, MT_MCU_CMD_WDT_MASK);
                ret = mt7915_mcu_set_ser(dev, 1, 3, band);
                if (ret)
                        return ret;

                dev->recovery.state |= MT_MCU_CMD_WDT_MASK;
                mt7915_reset(dev);
                break;

        /* WARNING: trigger firmware crash */
        case SER_SET_SYSTEM_ASSERT:
                mt76_wr(dev, MT_MCU_WM_CIRQ_EINT_MASK_CLR_ADDR, BIT(18));
                mt76_wr(dev, MT_MCU_WM_CIRQ_EINT_SOFT_ADDR, BIT(18));
                break;
        default:
                break;
        }

        return ret ? ret : count;
}

static ssize_t
mt7915_sys_recovery_get(struct file *file, char __user *user_buf,
                        size_t count, loff_t *ppos)
{
        struct mt7915_phy *phy = file->private_data;
        struct mt7915_dev *dev = phy->dev;
        char *buff;
        int desc = 0;
        ssize_t ret;
        static const size_t bufsz = 1024;

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

        /* HELP */
        desc += scnprintf(buff + desc, bufsz - desc,
                          "Please echo the correct value ...\n");
        desc += scnprintf(buff + desc, bufsz - desc,
                          "0: grab firmware transient SER state\n");
        desc += scnprintf(buff + desc, bufsz - desc,
                          "1: trigger system error L1 recovery\n");
        desc += scnprintf(buff + desc, bufsz - desc,
                          "2: trigger system error L2 recovery\n");
        desc += scnprintf(buff + desc, bufsz - desc,
                          "3: trigger system error L3 rx abort\n");
        desc += scnprintf(buff + desc, bufsz - desc,
                          "4: trigger system error L3 tx abort\n");
        desc += scnprintf(buff + desc, bufsz - desc,
                          "5: trigger system error L3 tx disable\n");
        desc += scnprintf(buff + desc, bufsz - desc,
                          "6: trigger system error L3 bf recovery\n");
        desc += scnprintf(buff + desc, bufsz - desc,
                          "7: trigger system error full recovery\n");
        desc += scnprintf(buff + desc, bufsz - desc,
                          "8: trigger firmware crash\n");

        /* SER statistics */
        desc += scnprintf(buff + desc, bufsz - desc,
                          "\nlet's dump firmware SER statistics...\n");
        desc += scnprintf(buff + desc, bufsz - desc,
                          "::E  R , SER_STATUS        = 0x%08x\n",
                          mt76_rr(dev, MT_SWDEF_SER_STATS));
        desc += scnprintf(buff + desc, bufsz - desc,
                          "::E  R , SER_PLE_ERR       = 0x%08x\n",
                          mt76_rr(dev, MT_SWDEF_PLE_STATS));
        desc += scnprintf(buff + desc, bufsz - desc,
                          "::E  R , SER_PLE_ERR_1     = 0x%08x\n",
                          mt76_rr(dev, MT_SWDEF_PLE1_STATS));
        desc += scnprintf(buff + desc, bufsz - desc,
                          "::E  R , SER_PLE_ERR_AMSDU = 0x%08x\n",
                          mt76_rr(dev, MT_SWDEF_PLE_AMSDU_STATS));
        desc += scnprintf(buff + desc, bufsz - desc,
                          "::E  R , SER_PSE_ERR       = 0x%08x\n",
                          mt76_rr(dev, MT_SWDEF_PSE_STATS));
        desc += scnprintf(buff + desc, bufsz - desc,
                          "::E  R , SER_PSE_ERR_1     = 0x%08x\n",
                          mt76_rr(dev, MT_SWDEF_PSE1_STATS));
        desc += scnprintf(buff + desc, bufsz - desc,
                          "::E  R , SER_LMAC_WISR6_B0 = 0x%08x\n",
                          mt76_rr(dev, MT_SWDEF_LAMC_WISR6_BN0_STATS));
        desc += scnprintf(buff + desc, bufsz - desc,
                          "::E  R , SER_LMAC_WISR6_B1 = 0x%08x\n",
                          mt76_rr(dev, MT_SWDEF_LAMC_WISR6_BN1_STATS));
        desc += scnprintf(buff + desc, bufsz - desc,
                          "::E  R , SER_LMAC_WISR7_B0 = 0x%08x\n",
                          mt76_rr(dev, MT_SWDEF_LAMC_WISR7_BN0_STATS));
        desc += scnprintf(buff + desc, bufsz - desc,
                          "::E  R , SER_LMAC_WISR7_B1 = 0x%08x\n",
                          mt76_rr(dev, MT_SWDEF_LAMC_WISR7_BN1_STATS));
        desc += scnprintf(buff + desc, bufsz - desc,
                          "\nSYS_RESET_COUNT: WM %d, WA %d\n",
                          dev->recovery.wm_reset_count,
                          dev->recovery.wa_reset_count);

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

static const struct file_operations mt7915_sys_recovery_ops = {
        .write = mt7915_sys_recovery_set,
        .read = mt7915_sys_recovery_get,
        .open = simple_open,
        .llseek = default_llseek,
};

static int
mt7915_radar_trigger(void *data, u64 val)
{
#define RADAR_MAIN_CHAIN        1
#define RADAR_BACKGROUND        2
        struct mt7915_phy *phy = data;
        struct mt7915_dev *dev = phy->dev;
        int rdd_idx;

        if (!val || val > RADAR_BACKGROUND)
                return -EINVAL;

        if (val == RADAR_BACKGROUND && !dev->rdd2_phy) {
                dev_err(dev->mt76.dev, "Background radar is not enabled\n");
                return -EINVAL;
        }

        rdd_idx = mt7915_get_rdd_idx(phy, val == RADAR_BACKGROUND);
        if (rdd_idx < 0) {
                dev_err(dev->mt76.dev, "No RDD found\n");
                return -EINVAL;
        }

        return mt76_connac_mcu_rdd_cmd(&dev->mt76, RDD_RADAR_EMULATE,
                                       rdd_idx, 0, 0);
}

DEFINE_DEBUGFS_ATTRIBUTE(fops_radar_trigger, NULL,
                         mt7915_radar_trigger, "%lld\n");

static int
mt7915_muru_debug_set(void *data, u64 val)
{
        struct mt7915_dev *dev = data;

        dev->muru_debug = val;
        mt7915_mcu_muru_debug_set(dev, dev->muru_debug);

        return 0;
}

static int
mt7915_muru_debug_get(void *data, u64 *val)
{
        struct mt7915_dev *dev = data;

        *val = dev->muru_debug;

        return 0;
}

DEFINE_DEBUGFS_ATTRIBUTE(fops_muru_debug, mt7915_muru_debug_get,
                         mt7915_muru_debug_set, "%lld\n");

static int mt7915_muru_stats_show(struct seq_file *file, void *data)
{
        struct mt7915_phy *phy = file->private;
        struct mt7915_dev *dev = phy->dev;
        static const char * const dl_non_he_type[] = {
                "CCK", "OFDM", "HT MIX", "HT GF",
                "VHT SU", "VHT 2MU", "VHT 3MU", "VHT 4MU"
        };
        static const char * const dl_he_type[] = {
                "HE SU", "HE EXT", "HE 2MU", "HE 3MU", "HE 4MU",
                "HE 2RU", "HE 3RU", "HE 4RU", "HE 5-8RU", "HE 9-16RU",
                "HE >16RU"
        };
        static const char * const ul_he_type[] = {
                "HE 2MU", "HE 3MU", "HE 4MU", "HE SU", "HE 2RU",
                "HE 3RU", "HE 4RU", "HE 5-8RU", "HE 9-16RU", "HE >16RU"
        };
        int ret, i;
        u64 total_ppdu_cnt, sub_total_cnt;

        if (!dev->muru_debug) {
                seq_puts(file, "Please enable muru_debug first.\n");
                return 0;
        }

        mutex_lock(&dev->mt76.mutex);

        ret = mt7915_mcu_muru_debug_get(phy);
        if (ret)
                goto exit;

        /* Non-HE Downlink*/
        seq_puts(file, "[Non-HE]\nDownlink\nData Type:  ");

        for (i = 0; i < 5; i++)
                seq_printf(file, "%8s | ", dl_non_he_type[i]);

        seq_puts(file, "\nTotal Count:");
        seq_printf(file, "%8u | %8u | %8u | %8u | %8u | ",
                   phy->mib.dl_cck_cnt,
                   phy->mib.dl_ofdm_cnt,
                   phy->mib.dl_htmix_cnt,
                   phy->mib.dl_htgf_cnt,
                   phy->mib.dl_vht_su_cnt);

        seq_puts(file, "\nDownlink MU-MIMO\nData Type:  ");

        for (i = 5; i < 8; i++)
                seq_printf(file, "%8s | ", dl_non_he_type[i]);

        seq_puts(file, "\nTotal Count:");
        seq_printf(file, "%8u | %8u | %8u | ",
                   phy->mib.dl_vht_2mu_cnt,
                   phy->mib.dl_vht_3mu_cnt,
                   phy->mib.dl_vht_4mu_cnt);

        sub_total_cnt = (u64)phy->mib.dl_vht_2mu_cnt +
                             phy->mib.dl_vht_3mu_cnt +
                             phy->mib.dl_vht_4mu_cnt;

        seq_printf(file, "\nTotal non-HE MU-MIMO DL PPDU count: %lld",
                   sub_total_cnt);

        total_ppdu_cnt = sub_total_cnt +
                         phy->mib.dl_cck_cnt +
                         phy->mib.dl_ofdm_cnt +
                         phy->mib.dl_htmix_cnt +
                         phy->mib.dl_htgf_cnt +
                         phy->mib.dl_vht_su_cnt;

        seq_printf(file, "\nAll non-HE DL PPDU count: %lld", total_ppdu_cnt);

        /* HE Downlink */
        seq_puts(file, "\n\n[HE]\nDownlink\nData Type:  ");

        for (i = 0; i < 2; i++)
                seq_printf(file, "%8s | ", dl_he_type[i]);

        seq_puts(file, "\nTotal Count:");
        seq_printf(file, "%8u | %8u | ",
                   phy->mib.dl_he_su_cnt, phy->mib.dl_he_ext_su_cnt);

        seq_puts(file, "\nDownlink MU-MIMO\nData Type:  ");

        for (i = 2; i < 5; i++)
                seq_printf(file, "%8s | ", dl_he_type[i]);

        seq_puts(file, "\nTotal Count:");
        seq_printf(file, "%8u | %8u | %8u | ",
                   phy->mib.dl_he_2mu_cnt, phy->mib.dl_he_3mu_cnt,
                   phy->mib.dl_he_4mu_cnt);

        seq_puts(file, "\nDownlink OFDMA\nData Type:  ");

        for (i = 5; i < 11; i++)
                seq_printf(file, "%8s | ", dl_he_type[i]);

        seq_puts(file, "\nTotal Count:");
        seq_printf(file, "%8u | %8u | %8u | %8u | %9u | %8u | ",
                   phy->mib.dl_he_2ru_cnt,
                   phy->mib.dl_he_3ru_cnt,
                   phy->mib.dl_he_4ru_cnt,
                   phy->mib.dl_he_5to8ru_cnt,
                   phy->mib.dl_he_9to16ru_cnt,
                   phy->mib.dl_he_gtr16ru_cnt);

        sub_total_cnt = (u64)phy->mib.dl_he_2mu_cnt +
                             phy->mib.dl_he_3mu_cnt +
                             phy->mib.dl_he_4mu_cnt;
        total_ppdu_cnt = sub_total_cnt;

        seq_printf(file, "\nTotal HE MU-MIMO DL PPDU count: %lld",
                   sub_total_cnt);

        sub_total_cnt = (u64)phy->mib.dl_he_2ru_cnt +
                             phy->mib.dl_he_3ru_cnt +
                             phy->mib.dl_he_4ru_cnt +
                             phy->mib.dl_he_5to8ru_cnt +
                             phy->mib.dl_he_9to16ru_cnt +
                             phy->mib.dl_he_gtr16ru_cnt;
        total_ppdu_cnt += sub_total_cnt;

        seq_printf(file, "\nTotal HE OFDMA DL PPDU count: %lld",
                   sub_total_cnt);

        total_ppdu_cnt += (u64)phy->mib.dl_he_su_cnt +
                               phy->mib.dl_he_ext_su_cnt;

        seq_printf(file, "\nAll HE DL PPDU count: %lld", total_ppdu_cnt);

        /* HE Uplink */
        seq_puts(file, "\n\nUplink");
        seq_puts(file, "\nTrigger-based Uplink MU-MIMO\nData Type:  ");

        for (i = 0; i < 3; i++)
                seq_printf(file, "%8s | ", ul_he_type[i]);

        seq_puts(file, "\nTotal Count:");
        seq_printf(file, "%8u | %8u | %8u | ",
                   phy->mib.ul_hetrig_2mu_cnt,
                   phy->mib.ul_hetrig_3mu_cnt,
                   phy->mib.ul_hetrig_4mu_cnt);

        seq_puts(file, "\nTrigger-based Uplink OFDMA\nData Type:  ");

        for (i = 3; i < 10; i++)
                seq_printf(file, "%8s | ", ul_he_type[i]);

        seq_puts(file, "\nTotal Count:");
        seq_printf(file, "%8u | %8u | %8u | %8u | %8u | %9u |  %7u | ",
                   phy->mib.ul_hetrig_su_cnt,
                   phy->mib.ul_hetrig_2ru_cnt,
                   phy->mib.ul_hetrig_3ru_cnt,
                   phy->mib.ul_hetrig_4ru_cnt,
                   phy->mib.ul_hetrig_5to8ru_cnt,
                   phy->mib.ul_hetrig_9to16ru_cnt,
                   phy->mib.ul_hetrig_gtr16ru_cnt);

        sub_total_cnt = (u64)phy->mib.ul_hetrig_2mu_cnt +
                             phy->mib.ul_hetrig_3mu_cnt +
                             phy->mib.ul_hetrig_4mu_cnt;
        total_ppdu_cnt = sub_total_cnt;

        seq_printf(file, "\nTotal HE MU-MIMO UL TB PPDU count: %lld",
                   sub_total_cnt);

        sub_total_cnt = (u64)phy->mib.ul_hetrig_2ru_cnt +
                             phy->mib.ul_hetrig_3ru_cnt +
                             phy->mib.ul_hetrig_4ru_cnt +
                             phy->mib.ul_hetrig_5to8ru_cnt +
                             phy->mib.ul_hetrig_9to16ru_cnt +
                             phy->mib.ul_hetrig_gtr16ru_cnt;
        total_ppdu_cnt += sub_total_cnt;

        seq_printf(file, "\nTotal HE OFDMA UL TB PPDU count: %lld",
                   sub_total_cnt);

        total_ppdu_cnt += phy->mib.ul_hetrig_su_cnt;

        seq_printf(file, "\nAll HE UL TB PPDU count: %lld\n", total_ppdu_cnt);

exit:
        mutex_unlock(&dev->mt76.mutex);

        return ret;
}
DEFINE_SHOW_ATTRIBUTE(mt7915_muru_stats);

static int
mt7915_rdd_monitor(struct seq_file *s, void *data)
{
        struct mt7915_dev *dev = dev_get_drvdata(s->private);
        struct cfg80211_chan_def *chandef = &dev->rdd2_chandef;
        const char *bw;
        int ret = 0;

        mutex_lock(&dev->mt76.mutex);

        if (!mt7915_eeprom_has_background_radar(dev)) {
                seq_puts(s, "no background radar capability\n");
                goto out;
        }

        if (!cfg80211_chandef_valid(chandef)) {
                ret = -EINVAL;
                goto out;
        }

        if (!dev->rdd2_phy) {
                seq_puts(s, "not running\n");
                goto out;
        }

        switch (chandef->width) {
        case NL80211_CHAN_WIDTH_40:
                bw = "40";
                break;
        case NL80211_CHAN_WIDTH_80:
                bw = "80";
                break;
        case NL80211_CHAN_WIDTH_160:
                bw = "160";
                break;
        case NL80211_CHAN_WIDTH_80P80:
                bw = "80P80";
                break;
        default:
                bw = "20";
                break;
        }

        seq_printf(s, "channel %d (%d MHz) width %s MHz center1: %d MHz\n",
                   chandef->chan->hw_value, chandef->chan->center_freq,
                   bw, chandef->center_freq1);
out:
        mutex_unlock(&dev->mt76.mutex);

        return ret;
}

static int
mt7915_fw_debug_wm_set(void *data, u64 val)
{
        struct mt7915_dev *dev = data;
        enum {
                DEBUG_TXCMD = 62,
                DEBUG_CMD_RPT_TX,
                DEBUG_CMD_RPT_TRIG,
                DEBUG_SPL,
                DEBUG_RPT_RX,
        } debug;
        bool tx, rx, en;
        int ret;

        dev->fw.debug_wm = val ? MCU_FW_LOG_TO_HOST : 0;

        if (dev->fw.debug_bin)
                val = 16;
        else
                val = dev->fw.debug_wm;

        tx = dev->fw.debug_wm || (dev->fw.debug_bin & BIT(1));
        rx = dev->fw.debug_wm || (dev->fw.debug_bin & BIT(2));
        en = dev->fw.debug_wm || (dev->fw.debug_bin & BIT(0));

        ret = mt7915_mcu_fw_log_2_host(dev, MCU_FW_LOG_WM, val);
        if (ret)
                goto out;

        for (debug = DEBUG_TXCMD; debug <= DEBUG_RPT_RX; debug++) {
                if (debug == DEBUG_RPT_RX)
                        val = en && rx;
                else
                        val = en && tx;

                ret = mt7915_mcu_fw_dbg_ctrl(dev, debug, val);
                if (ret)
                        goto out;
        }

        /* WM CPU info record control */
        mt76_clear(dev, MT_CPU_UTIL_CTRL, BIT(0));
        mt76_wr(dev, MT_DIC_CMD_REG_CMD, BIT(2) | BIT(13) |
                (dev->fw.debug_wm ? 0 : BIT(0)));
        mt76_wr(dev, MT_MCU_WM_CIRQ_IRQ_MASK_CLR_ADDR, BIT(5));
        mt76_wr(dev, MT_MCU_WM_CIRQ_IRQ_SOFT_ADDR, BIT(5));

out:
        if (ret)
                dev->fw.debug_wm = 0;

        return ret;
}

static int
mt7915_fw_debug_wm_get(void *data, u64 *val)
{
        struct mt7915_dev *dev = data;

        *val = dev->fw.debug_wm;

        return 0;
}

DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug_wm, mt7915_fw_debug_wm_get,
                         mt7915_fw_debug_wm_set, "%lld\n");

static int
mt7915_fw_debug_wa_set(void *data, u64 val)
{
        struct mt7915_dev *dev = data;
        int ret;

        dev->fw.debug_wa = val ? MCU_FW_LOG_TO_HOST : 0;

        ret = mt7915_mcu_fw_log_2_host(dev, MCU_FW_LOG_WA, dev->fw.debug_wa);
        if (ret)
                goto out;

        ret = mt7915_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(SET),
                                MCU_WA_PARAM_PDMA_RX, !!dev->fw.debug_wa, 0);
out:
        if (ret)
                dev->fw.debug_wa = 0;

        return ret;
}

static int
mt7915_fw_debug_wa_get(void *data, u64 *val)
{
        struct mt7915_dev *dev = data;

        *val = dev->fw.debug_wa;

        return 0;
}

DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug_wa, mt7915_fw_debug_wa_get,
                         mt7915_fw_debug_wa_set, "%lld\n");

static struct dentry *
create_buf_file_cb(const char *filename, struct dentry *parent, umode_t mode,
                   struct rchan_buf *buf, int *is_global)
{
        struct dentry *f;

        f = debugfs_create_file("fwlog_data", mode, parent, buf,
                                &relay_file_operations);
        if (IS_ERR(f))
                return NULL;

        *is_global = 1;

        return f;
}

static int
remove_buf_file_cb(struct dentry *f)
{
        debugfs_remove(f);

        return 0;
}

static int
mt7915_fw_debug_bin_set(void *data, u64 val)
{
        static struct rchan_callbacks relay_cb = {
                .create_buf_file = create_buf_file_cb,
                .remove_buf_file = remove_buf_file_cb,
        };
        struct mt7915_dev *dev = data;

        if (!dev->relay_fwlog)
                dev->relay_fwlog = relay_open("fwlog_data", dev->debugfs_dir,
                                            1500, 512, &relay_cb, NULL);
        if (!dev->relay_fwlog)
                return -ENOMEM;

        dev->fw.debug_bin = val;

        relay_reset(dev->relay_fwlog);

        return mt7915_fw_debug_wm_set(dev, dev->fw.debug_wm);
}

static int
mt7915_fw_debug_bin_get(void *data, u64 *val)
{
        struct mt7915_dev *dev = data;

        *val = dev->fw.debug_bin;

        return 0;
}

DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug_bin, mt7915_fw_debug_bin_get,
                         mt7915_fw_debug_bin_set, "%lld\n");

static int
mt7915_fw_util_wm_show(struct seq_file *file, void *data)
{
        struct mt7915_dev *dev = file->private;

        seq_printf(file, "Program counter: 0x%x\n", mt76_rr(dev, MT_WM_MCU_PC));

        if (dev->fw.debug_wm) {
                seq_printf(file, "Busy: %u%%  Peak busy: %u%%\n",
                           mt76_rr(dev, MT_CPU_UTIL_BUSY_PCT),
                           mt76_rr(dev, MT_CPU_UTIL_PEAK_BUSY_PCT));
                seq_printf(file, "Idle count: %u  Peak idle count: %u\n",
                           mt76_rr(dev, MT_CPU_UTIL_IDLE_CNT),
                           mt76_rr(dev, MT_CPU_UTIL_PEAK_IDLE_CNT));
        }

        return 0;
}

DEFINE_SHOW_ATTRIBUTE(mt7915_fw_util_wm);

static int
mt7915_fw_util_wa_show(struct seq_file *file, void *data)
{
        struct mt7915_dev *dev = file->private;

        seq_printf(file, "Program counter: 0x%x\n", mt76_rr(dev, MT_WA_MCU_PC));

        if (dev->fw.debug_wa)
                return mt7915_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(QUERY),
                                         MCU_WA_PARAM_CPU_UTIL, 0, 0);

        return 0;
}

DEFINE_SHOW_ATTRIBUTE(mt7915_fw_util_wa);

static void
mt7915_ampdu_stat_read_phy(struct mt7915_phy *phy,
                           struct seq_file *file)
{
        struct mt7915_dev *dev = phy->dev;
        bool ext_phy = phy != &dev->phy;
        int bound[15], range[4], i;
        u8 band = phy->mt76->band_idx;

        /* Tx ampdu stat */
        for (i = 0; i < ARRAY_SIZE(range); i++)
                range[i] = mt76_rr(dev, MT_MIB_ARNG(band, i));

        for (i = 0; i < ARRAY_SIZE(bound); i++)
                bound[i] = MT_MIB_ARNCR_RANGE(range[i / 4], i % 4) + 1;

        seq_printf(file, "\nPhy %d, Phy band %d\n", ext_phy, band);

        seq_printf(file, "Length: %8d | ", bound[0]);
        for (i = 0; i < ARRAY_SIZE(bound) - 1; i++)
                seq_printf(file, "%3d -%3d | ",
                           bound[i] + 1, bound[i + 1]);

        seq_puts(file, "\nCount:  ");
        for (i = 0; i < ARRAY_SIZE(bound); i++)
                seq_printf(file, "%8d | ", phy->mt76->aggr_stats[i]);
        seq_puts(file, "\n");

        seq_printf(file, "BA miss count: %d\n", phy->mib.ba_miss_cnt);
}

static void
mt7915_txbf_stat_read_phy(struct mt7915_phy *phy, struct seq_file *s)
{
        struct mt76_mib_stats *mib = &phy->mib;
        static const char * const bw[] = {
                "BW20", "BW40", "BW80", "BW160"
        };

        /* Tx Beamformer monitor */
        seq_puts(s, "\nTx Beamformer applied PPDU counts: ");

        seq_printf(s, "iBF: %d, eBF: %d\n",
                   mib->tx_bf_ibf_ppdu_cnt,
                   mib->tx_bf_ebf_ppdu_cnt);

        /* Tx Beamformer Rx feedback monitor */
        seq_puts(s, "Tx Beamformer Rx feedback statistics: ");

        seq_printf(s, "All: %d, HE: %d, VHT: %d, HT: %d, ",
                   mib->tx_bf_rx_fb_all_cnt,
                   mib->tx_bf_rx_fb_he_cnt,
                   mib->tx_bf_rx_fb_vht_cnt,
                   mib->tx_bf_rx_fb_ht_cnt);

        seq_printf(s, "%s, NC: %d, NR: %d\n",
                   bw[mib->tx_bf_rx_fb_bw],
                   mib->tx_bf_rx_fb_nc_cnt,
                   mib->tx_bf_rx_fb_nr_cnt);

        /* Tx Beamformee Rx NDPA & Tx feedback report */
        seq_printf(s, "Tx Beamformee successful feedback frames: %d\n",
                   mib->tx_bf_fb_cpl_cnt);
        seq_printf(s, "Tx Beamformee feedback triggered counts: %d\n",
                   mib->tx_bf_fb_trig_cnt);

        /* Tx SU & MU counters */
        seq_printf(s, "Tx multi-user Beamforming counts: %d\n",
                   mib->tx_bf_cnt);
        seq_printf(s, "Tx multi-user MPDU counts: %d\n", mib->tx_mu_mpdu_cnt);
        seq_printf(s, "Tx multi-user successful MPDU counts: %d\n",
                   mib->tx_mu_acked_mpdu_cnt);
        seq_printf(s, "Tx single-user successful MPDU counts: %d\n",
                   mib->tx_su_acked_mpdu_cnt);

        seq_puts(s, "\n");
}

static int
mt7915_tx_stats_show(struct seq_file *file, void *data)
{
        struct mt7915_phy *phy = file->private;
        struct mt7915_dev *dev = phy->dev;
        struct mt76_mib_stats *mib = &phy->mib;
        int i;

        mutex_lock(&dev->mt76.mutex);

        mt7915_ampdu_stat_read_phy(phy, file);
        mt7915_mac_update_stats(phy);
        mt7915_txbf_stat_read_phy(phy, file);

        /* Tx amsdu info */
        seq_puts(file, "Tx MSDU statistics:\n");
        for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) {
                seq_printf(file, "AMSDU pack count of %d MSDU in TXD: %8d ",
                           i + 1, mib->tx_amsdu[i]);
                if (mib->tx_amsdu_cnt)
                        seq_printf(file, "(%3d%%)\n",
                                   mib->tx_amsdu[i] * 100 / mib->tx_amsdu_cnt);
                else
                        seq_puts(file, "\n");
        }

        mutex_unlock(&dev->mt76.mutex);

        return 0;
}

DEFINE_SHOW_ATTRIBUTE(mt7915_tx_stats);

static void
mt7915_hw_queue_read(struct seq_file *s, u32 size,
                     const struct hw_queue_map *map)
{
        struct mt7915_phy *phy = s->private;
        struct mt7915_dev *dev = phy->dev;
        u32 i, val;

        val = mt76_rr(dev, MT_FL_Q_EMPTY);
        for (i = 0; i < size; i++) {
                u32 ctrl, head, tail, queued;

                if (val & BIT(map[i].index))
                        continue;

                ctrl = BIT(31) | (map[i].pid << 10) | ((u32)map[i].qid << 24);
                mt76_wr(dev, MT_FL_Q0_CTRL, ctrl);

                head = mt76_get_field(dev, MT_FL_Q2_CTRL,
                                      GENMASK(11, 0));
                tail = mt76_get_field(dev, MT_FL_Q2_CTRL,
                                      GENMASK(27, 16));
                queued = mt76_get_field(dev, MT_FL_Q3_CTRL,
                                        GENMASK(11, 0));

                seq_printf(s, "\t%s: ", map[i].name);
                seq_printf(s, "queued:0x%03x head:0x%03x tail:0x%03x\n",
                           queued, head, tail);
        }
}

static void
mt7915_sta_hw_queue_read(void *data, struct ieee80211_sta *sta)
{
        struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
        struct mt7915_dev *dev = msta->vif->phy->dev;
        struct seq_file *s = data;
        u8 ac;

        for (ac = 0; ac < 4; ac++) {
                u32 qlen, ctrl, val;
                u32 idx = msta->wcid.idx >> 5;
                u8 offs = msta->wcid.idx & GENMASK(4, 0);

                ctrl = BIT(31) | BIT(11) | (ac << 24);
                val = mt76_rr(dev, MT_PLE_AC_QEMPTY(ac, idx));

                if (val & BIT(offs))
                        continue;

                mt76_wr(dev, MT_FL_Q0_CTRL, ctrl | msta->wcid.idx);
                qlen = mt76_get_field(dev, MT_FL_Q3_CTRL,
                                      GENMASK(11, 0));
                seq_printf(s, "\tSTA %pM wcid %d: AC%d%d queued:%d\n",
                           sta->addr, msta->wcid.idx,
                           msta->vif->mt76.wmm_idx, ac, qlen);
        }
}

static int
mt7915_hw_queues_show(struct seq_file *file, void *data)
{
        struct mt7915_phy *phy = file->private;
        struct mt7915_dev *dev = phy->dev;
        static const struct hw_queue_map ple_queue_map[] = {
                { "CPU_Q0",  0,  1, MT_CTX0           },
                { "CPU_Q1",  1,  1, MT_CTX0 + 1       },
                { "CPU_Q2",  2,  1, MT_CTX0 + 2       },
                { "CPU_Q3",  3,  1, MT_CTX0 + 3       },
                { "ALTX_Q0", 8,  2, MT_LMAC_ALTX0     },
                { "BMC_Q0",  9,  2, MT_LMAC_BMC0      },
                { "BCN_Q0",  10, 2, MT_LMAC_BCN0      },
                { "PSMP_Q0", 11, 2, MT_LMAC_PSMP0     },
                { "ALTX_Q1", 12, 2, MT_LMAC_ALTX0 + 4 },
                { "BMC_Q1",  13, 2, MT_LMAC_BMC0  + 4 },
                { "BCN_Q1",  14, 2, MT_LMAC_BCN0  + 4 },
                { "PSMP_Q1", 15, 2, MT_LMAC_PSMP0 + 4 },
        };
        static const struct hw_queue_map pse_queue_map[] = {
                { "CPU Q0",  0,  1, MT_CTX0           },
                { "CPU Q1",  1,  1, MT_CTX0 + 1       },
                { "CPU Q2",  2,  1, MT_CTX0 + 2       },
                { "CPU Q3",  3,  1, MT_CTX0 + 3       },
                { "HIF_Q0",  8,  0, MT_HIF0           },
                { "HIF_Q1",  9,  0, MT_HIF0 + 1       },
                { "HIF_Q2",  10, 0, MT_HIF0 + 2       },
                { "HIF_Q3",  11, 0, MT_HIF0 + 3       },
                { "HIF_Q4",  12, 0, MT_HIF0 + 4       },
                { "HIF_Q5",  13, 0, MT_HIF0 + 5       },
                { "LMAC_Q",  16, 2, 0                 },
                { "MDP_TXQ", 17, 2, 1                 },
                { "MDP_RXQ", 18, 2, 2                 },
                { "SEC_TXQ", 19, 2, 3                 },
                { "SEC_RXQ", 20, 2, 4                 },
        };
        u32 val, head, tail;

        /* ple queue */
        val = mt76_rr(dev, MT_PLE_FREEPG_CNT);
        head = mt76_get_field(dev, MT_PLE_FREEPG_HEAD_TAIL, GENMASK(11, 0));
        tail = mt76_get_field(dev, MT_PLE_FREEPG_HEAD_TAIL, GENMASK(27, 16));
        seq_puts(file, "PLE page info:\n");
        seq_printf(file,
                   "\tTotal free page: 0x%08x head: 0x%03x tail: 0x%03x\n",
                   val, head, tail);

        val = mt76_rr(dev, MT_PLE_PG_HIF_GROUP);
        head = mt76_get_field(dev, MT_PLE_HIF_PG_INFO, GENMASK(11, 0));
        tail = mt76_get_field(dev, MT_PLE_HIF_PG_INFO, GENMASK(27, 16));
        seq_printf(file, "\tHIF free page: 0x%03x res: 0x%03x used: 0x%03x\n",
                   val, head, tail);

        seq_puts(file, "PLE non-empty queue info:\n");
        mt7915_hw_queue_read(file, ARRAY_SIZE(ple_queue_map),
                             &ple_queue_map[0]);

        /* iterate per-sta ple queue */
        ieee80211_iterate_stations_atomic(phy->mt76->hw,
                                          mt7915_sta_hw_queue_read, file);
        /* pse queue */
        seq_puts(file, "PSE non-empty queue info:\n");
        mt7915_hw_queue_read(file, ARRAY_SIZE(pse_queue_map),
                             &pse_queue_map[0]);

        return 0;
}

DEFINE_SHOW_ATTRIBUTE(mt7915_hw_queues);

static int
mt7915_xmit_queues_show(struct seq_file *file, void *data)
{
        struct mt7915_phy *phy = file->private;
        struct mt7915_dev *dev = phy->dev;
        struct {
                struct mt76_queue *q;
                char *queue;
        } queue_map[] = {
                { phy->mt76->q_tx[MT_TXQ_BE],    "   MAIN"  },
                { dev->mt76.q_mcu[MT_MCUQ_WM],   "  MCUWM"  },
                { dev->mt76.q_mcu[MT_MCUQ_WA],   "  MCUWA"  },
                { dev->mt76.q_mcu[MT_MCUQ_FWDL], "MCUFWDL" },
        };
        int i;

        seq_puts(file, "     queue | hw-queued |      head |      tail |\n");
        for (i = 0; i < ARRAY_SIZE(queue_map); i++) {
                struct mt76_queue *q = queue_map[i].q;

                if (!q)
                        continue;

                seq_printf(file, "   %s | %9d | %9d | %9d |\n",
                           queue_map[i].queue, q->queued, q->head,
                           q->tail);
        }

        return 0;
}

DEFINE_SHOW_ATTRIBUTE(mt7915_xmit_queues);

#define mt7915_txpower_puts(rate)                                               \
({                                                                              \
        len += scnprintf(buf + len, sz - len, "%-16s:", #rate " (TMAC)");       \
        for (i = 0; i < mt7915_sku_group_len[SKU_##rate]; i++, offs++)          \
                len += scnprintf(buf + len, sz - len, " %6d", txpwr[offs]);     \
        len += scnprintf(buf + len, sz - len, "\n");                            \
})

#define mt7915_txpower_sets(rate, pwr, flag)                    \
({                                                              \
        offs += len;                                            \
        len = mt7915_sku_group_len[rate];                       \
        if (mode == flag) {                                     \
                for (i = 0; i < len; i++)                       \
                        req.txpower_sku[offs + i] = pwr;        \
        }                                                       \
})

static ssize_t
mt7915_rate_txpower_get(struct file *file, char __user *user_buf,
                        size_t count, loff_t *ppos)
{
        struct mt7915_phy *phy = file->private_data;
        struct mt7915_dev *dev = phy->dev;
        s8 txpwr[MT7915_SKU_RATE_NUM];
        static const size_t sz = 2048;
        u8 band = phy->mt76->band_idx;
        int i, offs = 0, len = 0;
        ssize_t ret;
        char *buf;
        u32 reg;

        buf = kzalloc(sz, GFP_KERNEL);
        if (!buf)
                return -ENOMEM;

        ret = mt7915_mcu_get_txpower_sku(phy, txpwr, sizeof(txpwr), TX_POWER_INFO_RATE);
        if (ret)
                goto out;

        /* Txpower propagation path: TMAC -> TXV -> BBP */
        len += scnprintf(buf + len, sz - len,
                         "\nPhy%d Tx power table (channel %d)\n",
                         phy != &dev->phy, phy->mt76->chandef.chan->hw_value);
        len += scnprintf(buf + len, sz - len, "%-16s  %6s %6s %6s %6s\n",
                         " ", "1m", "2m", "5m", "11m");
        mt7915_txpower_puts(CCK);

        len += scnprintf(buf + len, sz - len,
                         "%-16s  %6s %6s %6s %6s %6s %6s %6s %6s\n",
                         " ", "6m", "9m", "12m", "18m", "24m", "36m", "48m",
                         "54m");
        mt7915_txpower_puts(OFDM);

        len += scnprintf(buf + len, sz - len,
                         "%-16s  %6s %6s %6s %6s %6s %6s %6s %6s\n",
                         " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4",
                         "mcs5", "mcs6", "mcs7");
        mt7915_txpower_puts(HT_BW20);

        len += scnprintf(buf + len, sz - len,
                         "%-16s  %6s %6s %6s %6s %6s %6s %6s %6s %6s\n",
                         " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5",
                         "mcs6", "mcs7", "mcs32");
        mt7915_txpower_puts(HT_BW40);

        len += scnprintf(buf + len, sz - len,
                         "%-16s  %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s\n",
                         " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5",
                         "mcs6", "mcs7", "mcs8", "mcs9", "mcs10", "mcs11");
        mt7915_txpower_puts(VHT_BW20);
        mt7915_txpower_puts(VHT_BW40);
        mt7915_txpower_puts(VHT_BW80);
        mt7915_txpower_puts(VHT_BW160);
        mt7915_txpower_puts(HE_RU26);
        mt7915_txpower_puts(HE_RU52);
        mt7915_txpower_puts(HE_RU106);
        mt7915_txpower_puts(HE_RU242);
        mt7915_txpower_puts(HE_RU484);
        mt7915_txpower_puts(HE_RU996);
        mt7915_txpower_puts(HE_RU2x996);

        reg = is_mt7915(&dev->mt76) ? MT_WF_PHY_TPC_CTRL_STAT(band) :
              MT_WF_PHY_TPC_CTRL_STAT_MT7916(band);

        len += scnprintf(buf + len, sz - len, "\nTx power (bbp)  : %6ld\n",
                         mt76_get_field(dev, reg, MT_WF_PHY_TPC_POWER));

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

out:
        kfree(buf);
        return ret;
}

static ssize_t
mt7915_rate_txpower_set(struct file *file, const char __user *user_buf,
                        size_t count, loff_t *ppos)
{
        int i, ret, pwr, pwr160 = 0, pwr80 = 0, pwr40 = 0, pwr20 = 0;
        struct mt7915_phy *phy = file->private_data;
        struct mt7915_dev *dev = phy->dev;
        struct mt76_phy *mphy = phy->mt76;
        struct mt7915_mcu_txpower_sku req = {
                .format_id = TX_POWER_LIMIT_TABLE,
                .band_idx = phy->mt76->band_idx,
        };
        char buf[100];
        enum mac80211_rx_encoding mode;
        u32 offs = 0, len = 0;

        if (count >= sizeof(buf))
                return -EINVAL;

        if (copy_from_user(buf, user_buf, count))
                return -EFAULT;

        if (count && buf[count - 1] == '\n')
                buf[count - 1] = '\0';
        else
                buf[count] = '\0';

        if (sscanf(buf, "%u %u %u %u %u",
                   &mode, &pwr160, &pwr80, &pwr40, &pwr20) != 5) {
                dev_warn(dev->mt76.dev,
                         "per bandwidth power limit: Mode BW160 BW80 BW40 BW20");
                return -EINVAL;
        }

        if (mode > RX_ENC_HE)
                return -EINVAL;

        if (pwr160)
                pwr160 = mt76_get_power_bound(mphy, pwr160);
        if (pwr80)
                pwr80 = mt76_get_power_bound(mphy, pwr80);
        if (pwr40)
                pwr40 = mt76_get_power_bound(mphy, pwr40);
        if (pwr20)
                pwr20 = mt76_get_power_bound(mphy, pwr20);

        if (pwr160 < 0 || pwr80 < 0 || pwr40 < 0 || pwr20 < 0)
                return -EINVAL;

        mutex_lock(&dev->mt76.mutex);
        ret = mt7915_mcu_get_txpower_sku(phy, req.txpower_sku,
                                         sizeof(req.txpower_sku), TX_POWER_INFO_RATE);
        if (ret)
                goto out;

        mt7915_txpower_sets(SKU_CCK, pwr20, RX_ENC_LEGACY);
        mt7915_txpower_sets(SKU_OFDM, pwr20, RX_ENC_LEGACY);
        if (mode == RX_ENC_LEGACY)
                goto skip;

        mt7915_txpower_sets(SKU_HT_BW20, pwr20, RX_ENC_HT);
        mt7915_txpower_sets(SKU_HT_BW40, pwr40, RX_ENC_HT);
        if (mode == RX_ENC_HT)
                goto skip;

        mt7915_txpower_sets(SKU_VHT_BW20, pwr20, RX_ENC_VHT);
        mt7915_txpower_sets(SKU_VHT_BW40, pwr40, RX_ENC_VHT);
        mt7915_txpower_sets(SKU_VHT_BW80, pwr80, RX_ENC_VHT);
        mt7915_txpower_sets(SKU_VHT_BW160, pwr160, RX_ENC_VHT);
        if (mode == RX_ENC_VHT)
                goto skip;

        mt7915_txpower_sets(SKU_HE_RU26, pwr20, RX_ENC_HE + 1);
        mt7915_txpower_sets(SKU_HE_RU52, pwr20, RX_ENC_HE + 1);
        mt7915_txpower_sets(SKU_HE_RU106, pwr20, RX_ENC_HE + 1);
        mt7915_txpower_sets(SKU_HE_RU242, pwr20, RX_ENC_HE);
        mt7915_txpower_sets(SKU_HE_RU484, pwr40, RX_ENC_HE);
        mt7915_txpower_sets(SKU_HE_RU996, pwr80, RX_ENC_HE);
        mt7915_txpower_sets(SKU_HE_RU2x996, pwr160, RX_ENC_HE);
skip:
        ret = mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(TX_POWER_FEATURE_CTRL),
                                &req, sizeof(req), true);
        if (ret)
                goto out;

        pwr = max3(pwr80, pwr40, pwr20);
        mphy->txpower_cur = max3(mphy->txpower_cur, pwr160, pwr);
out:
        mutex_unlock(&dev->mt76.mutex);

        return ret ? ret : count;
}

static const struct file_operations mt7915_txpower_fops = {
        .write = mt7915_rate_txpower_set,
        .read = mt7915_rate_txpower_get,
        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
};

static int
mt7915_path_txpower_show(struct seq_file *file)
{
        struct mt7915_phy *phy = file->private;
        s8 txpower[MT7915_SKU_PATH_NUM], *buf = txpower;
        int ret;

#define PATH_POWER_SHOW(_name, _len, _skip) do {                        \
                size_t __len = (_len);                                  \
                if (_skip) {                                            \
                        buf -= 1;                                       \
                        *buf = 0;                                       \
                }                                                       \
                mt76_seq_puts_array(file, _name, buf, __len);           \
                buf += __len;                                           \
        } while (0)

        seq_printf(file, "\n%*c", 18, ' ');
        seq_puts(file, "1T1S/2T1S/3T1S/4T1S/2T2S/3T2S/4T2S/3T3S/4T3S/4T4S\n");
        ret = mt7915_mcu_get_txpower_sku(phy, txpower, sizeof(txpower),
                                         TX_POWER_INFO_PATH);
        if (ret)
                return ret;

        PATH_POWER_SHOW("CCK", 4, 0);
        PATH_POWER_SHOW("OFDM", 4, 0);
        PATH_POWER_SHOW("BF-OFDM", 4, 1);

        PATH_POWER_SHOW("HT/VHT20", 10, 0);
        PATH_POWER_SHOW("BF-HT/VHT20", 10, 1);
        PATH_POWER_SHOW("HT/VHT40", 10, 0);
        PATH_POWER_SHOW("BF-HT/VHT40", 10, 1);

        PATH_POWER_SHOW("BW20/RU242", 10, 0);
        PATH_POWER_SHOW("BF-BW20/RU242", 10, 1);
        PATH_POWER_SHOW("BW40/RU484", 10, 0);
        PATH_POWER_SHOW("BF-BW40/RU484", 10, 1);
        PATH_POWER_SHOW("BW80/RU996", 10, 0);
        PATH_POWER_SHOW("BF-BW80/RU996", 10, 1);
        PATH_POWER_SHOW("BW160/RU2x996", 10, 0);
        PATH_POWER_SHOW("BF-BW160/RU2x996", 10, 1);
        PATH_POWER_SHOW("RU26", 10, 0);
        PATH_POWER_SHOW("BF-RU26", 10, 0);
        PATH_POWER_SHOW("RU52", 10, 0);
        PATH_POWER_SHOW("BF-RU52", 10, 0);
        PATH_POWER_SHOW("RU106", 10, 0);
        PATH_POWER_SHOW("BF-RU106", 10, 0);
#undef PATH_POWER_SHOW

        return 0;
}

static int
mt7915_txpower_path_show(struct seq_file *file, void *data)
{
        struct mt7915_phy *phy = file->private;

        seq_printf(file, "\nBand %d\n", phy != &phy->dev->phy);

        return mt7915_path_txpower_show(file);
}

DEFINE_SHOW_ATTRIBUTE(mt7915_txpower_path);

static int
mt7915_twt_stats(struct seq_file *s, void *data)
{
        struct mt7915_dev *dev = dev_get_drvdata(s->private);
        struct mt7915_twt_flow *iter;

        rcu_read_lock();

        seq_puts(s, "     wcid |       id |    flags |      exp | mantissa");
        seq_puts(s, " | duration |            tsf |\n");
        list_for_each_entry_rcu(iter, &dev->twt_list, list)
                seq_printf(s,
                        "%9d | %8d | %5c%c%c%c | %8d | %8d | %8d | %14lld |\n",
                        iter->wcid, iter->id,
                        iter->sched ? 's' : 'u',
                        iter->protection ? 'p' : '-',
                        iter->trigger ? 't' : '-',
                        iter->flowtype ? '-' : 'a',
                        iter->exp, iter->mantissa,
                        iter->duration, iter->tsf);

        rcu_read_unlock();

        return 0;
}

/* The index of RF registers use the generic regidx, combined with two parts:
 * WF selection [31:24] and offset [23:0].
 */
static int
mt7915_rf_regval_get(void *data, u64 *val)
{
        struct mt7915_dev *dev = data;
        u32 regval;
        int ret;

        ret = mt7915_mcu_rf_regval(dev, dev->mt76.debugfs_reg, &regval, false);
        if (ret)
                return ret;

        *val = regval;

        return 0;
}

static int
mt7915_rf_regval_set(void *data, u64 val)
{
        struct mt7915_dev *dev = data;
        u32 val32 = val;

        return mt7915_mcu_rf_regval(dev, dev->mt76.debugfs_reg, &val32, true);
}

DEFINE_DEBUGFS_ATTRIBUTE(fops_rf_regval, mt7915_rf_regval_get,
                         mt7915_rf_regval_set, "0x%08llx\n");

int mt7915_init_debugfs(struct mt7915_phy *phy)
{
        struct mt7915_dev *dev = phy->dev;
        bool ext_phy = phy != &dev->phy;
        struct dentry *dir;

        dir = mt76_register_debugfs_fops(phy->mt76, NULL);
        if (!dir)
                return -ENOMEM;
        debugfs_create_file("muru_debug", 0600, dir, dev, &fops_muru_debug);
        debugfs_create_file("muru_stats", 0400, dir, phy,
                            &mt7915_muru_stats_fops);
        debugfs_create_file("hw-queues", 0400, dir, phy,
                            &mt7915_hw_queues_fops);
        debugfs_create_file("xmit-queues", 0400, dir, phy,
                            &mt7915_xmit_queues_fops);
        debugfs_create_file("tx_stats", 0400, dir, phy, &mt7915_tx_stats_fops);
        debugfs_create_file("sys_recovery", 0600, dir, phy,
                            &mt7915_sys_recovery_ops);
        debugfs_create_file("fw_debug_wm", 0600, dir, dev, &fops_fw_debug_wm);
        debugfs_create_file("fw_debug_wa", 0600, dir, dev, &fops_fw_debug_wa);
        debugfs_create_file("fw_debug_bin", 0600, dir, dev, &fops_fw_debug_bin);
        debugfs_create_file("fw_util_wm", 0400, dir, dev,
                            &mt7915_fw_util_wm_fops);
        debugfs_create_file("fw_util_wa", 0400, dir, dev,
                            &mt7915_fw_util_wa_fops);
        debugfs_create_file("implicit_txbf", 0600, dir, dev,
                            &fops_implicit_txbf);
        debugfs_create_file("txpower_sku", 0400, dir, phy,
                            &mt7915_txpower_fops);
        debugfs_create_file("txpower_path", 0400, dir, phy,
                            &mt7915_txpower_path_fops);
        debugfs_create_devm_seqfile(dev->mt76.dev, "twt_stats", dir,
                                    mt7915_twt_stats);
        debugfs_create_file("rf_regval", 0600, dir, dev, &fops_rf_regval);

        if (!dev->dbdc_support || phy->mt76->band_idx) {
                debugfs_create_u32("dfs_hw_pattern", 0400, dir,
                                   &dev->hw_pattern);
                debugfs_create_file("radar_trigger", 0200, dir, phy,
                                    &fops_radar_trigger);
                debugfs_create_devm_seqfile(dev->mt76.dev, "rdd_monitor", dir,
                                            mt7915_rdd_monitor);
        }

        if (!ext_phy)
                dev->debugfs_dir = dir;

        return 0;
}

static void
mt7915_debugfs_write_fwlog(struct mt7915_dev *dev, const void *hdr, int hdrlen,
                         const void *data, int len)
{
        static DEFINE_SPINLOCK(lock);
        unsigned long flags;
        void *dest;

        spin_lock_irqsave(&lock, flags);
        dest = relay_reserve(dev->relay_fwlog, hdrlen + len + 4);
        if (dest) {
                *(u32 *)dest = hdrlen + len;
                dest += 4;

                if (hdrlen) {
                        memcpy(dest, hdr, hdrlen);
                        dest += hdrlen;
                }

                memcpy(dest, data, len);
                relay_flush(dev->relay_fwlog);
        }
        spin_unlock_irqrestore(&lock, flags);
}

void mt7915_debugfs_rx_fw_monitor(struct mt7915_dev *dev, const void *data, int len)
{
        struct {
                __le32 magic;
                __le32 timestamp;
                __le16 msg_type;
                __le16 len;
        } hdr = {
                .magic = cpu_to_le32(FW_BIN_LOG_MAGIC),
                .msg_type = cpu_to_le16(PKT_TYPE_RX_FW_MONITOR),
        };

        if (!dev->relay_fwlog)
                return;

        hdr.timestamp = cpu_to_le32(mt76_rr(dev, MT_LPON_FRCR(0)));
        hdr.len = *(__le16 *)data;
        mt7915_debugfs_write_fwlog(dev, &hdr, sizeof(hdr), data, len);
}

bool mt7915_debugfs_rx_log(struct mt7915_dev *dev, const void *data, int len)
{
        if (get_unaligned_le32(data) != FW_BIN_LOG_MAGIC)
                return false;

        if (dev->relay_fwlog)
                mt7915_debugfs_write_fwlog(dev, NULL, 0, data, len);

        return true;
}

#ifdef CONFIG_MAC80211_DEBUGFS
/** per-station debugfs **/

static ssize_t mt7915_sta_fixed_rate_set(struct file *file,
                                         const char __user *user_buf,
                                         size_t count, loff_t *ppos)
{
        struct ieee80211_sta *sta = file->private_data;
        struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
        struct mt7915_dev *dev = msta->vif->phy->dev;
        struct ieee80211_vif *vif;
        struct sta_phy phy = {};
        char buf[100];
        int ret;
        u32 field;
        u8 i, gi, he_ltf;

        if (count >= sizeof(buf))
                return -EINVAL;

        if (copy_from_user(buf, user_buf, count))
                return -EFAULT;

        if (count && buf[count - 1] == '\n')
                buf[count - 1] = '\0';
        else
                buf[count] = '\0';

        /* mode - cck: 0, ofdm: 1, ht: 2, gf: 3, vht: 4, he_su: 8, he_er: 9
         * bw - bw20: 0, bw40: 1, bw80: 2, bw160: 3
         * nss - vht: 1~4, he: 1~4, others: ignore
         * mcs - cck: 0~4, ofdm: 0~7, ht: 0~32, vht: 0~9, he_su: 0~11, he_er: 0~2
         * gi - (ht/vht) lgi: 0, sgi: 1; (he) 0.8us: 0, 1.6us: 1, 3.2us: 2
         * ldpc - off: 0, on: 1
         * stbc - off: 0, on: 1
         * he_ltf - 1xltf: 0, 2xltf: 1, 4xltf: 2
         */
        if (sscanf(buf, "%hhu %hhu %hhu %hhu %hhu %hhu %hhu %hhu",
                   &phy.type, &phy.bw, &phy.nss, &phy.mcs, &gi,
                   &phy.ldpc, &phy.stbc, &he_ltf) != 8) {
                dev_warn(dev->mt76.dev,
                         "format: Mode BW NSS MCS (HE)GI LDPC STBC HE_LTF\n");
                field = RATE_PARAM_AUTO;
                goto out;
        }

        phy.ldpc = (phy.bw || phy.ldpc) * GENMASK(2, 0);
        for (i = 0; i <= phy.bw; i++) {
                phy.sgi |= gi << (i << sta->deflink.he_cap.has_he);
                phy.he_ltf |= he_ltf << (i << sta->deflink.he_cap.has_he);
        }
        field = RATE_PARAM_FIXED;

out:
        vif = container_of((void *)msta->vif, struct ieee80211_vif, drv_priv);
        ret = mt7915_mcu_set_fixed_rate_ctrl(dev, vif, sta, &phy, field);
        if (ret)
                return -EFAULT;

        return count;
}

static const struct file_operations fops_fixed_rate = {
        .write = mt7915_sta_fixed_rate_set,
        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
};

static int
mt7915_queues_show(struct seq_file *s, void *data)
{
        struct ieee80211_sta *sta = s->private;

        mt7915_sta_hw_queue_read(s, sta);

        return 0;
}

DEFINE_SHOW_ATTRIBUTE(mt7915_queues);

void mt7915_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
                            struct ieee80211_sta *sta, struct dentry *dir)
{
        debugfs_create_file("fixed_rate", 0600, dir, sta, &fops_fixed_rate);
        debugfs_create_file("hw-queues", 0400, dir, sta, &mt7915_queues_fops);
}

#endif