diff --git a/autobuild_mac80211_release/mt7986_bersa_mac80211/package/kernel/mt76/src/bersa/debugfs.c b/autobuild_mac80211_release/mt7986_bersa_mac80211/package/kernel/mt76/src/bersa/debugfs.c
new file mode 100644
index 0000000..96b2b6e
--- /dev/null
+++ b/autobuild_mac80211_release/mt7986_bersa_mac80211/package/kernel/mt76/src/bersa/debugfs.c
@@ -0,0 +1,1068 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#include <linux/relay.h>
+#include "bersa.h"
+#include "eeprom.h"
+#include "mcu.h"
+#include "mac.h"
+
+#define FW_BIN_LOG_MAGIC	0x44d9c99a
+
+/** global debugfs **/
+
+struct hw_queue_map {
+	const char *name;
+	u8 index;
+	u8 pid;
+	u8 qid;
+};
+
+static int
+bersa_implicit_txbf_set(void *data, u64 val)
+{
+	struct bersa_dev *dev = data;
+
+	if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state))
+		return -EBUSY;
+
+	dev->ibf = !!val;
+
+	return bersa_mcu_set_txbf(dev, MT_BF_TYPE_UPDATE);
+}
+
+static int
+bersa_implicit_txbf_get(void *data, u64 *val)
+{
+	struct bersa_dev *dev = data;
+
+	*val = dev->ibf;
+
+	return 0;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(fops_implicit_txbf, bersa_implicit_txbf_get,
+			 bersa_implicit_txbf_set, "%lld\n");
+
+/* test knob of system layer 1/2 error recovery */
+static int bersa_ser_trigger_set(void *data, u64 val)
+{
+	enum {
+		SER_SET_RECOVER_L1 = 1,
+		SER_SET_RECOVER_L2,
+		SER_ENABLE = 2,
+		SER_RECOVER
+	};
+	struct bersa_dev *dev = data;
+	int ret = 0;
+
+	switch (val) {
+	case SER_SET_RECOVER_L1:
+	case SER_SET_RECOVER_L2:
+		ret = bersa_mcu_set_ser(dev, SER_ENABLE, BIT(val), 0);
+		if (ret)
+			return ret;
+
+		return bersa_mcu_set_ser(dev, SER_RECOVER, val, 0);
+	default:
+		break;
+	}
+
+	return ret;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(fops_ser_trigger, NULL,
+			 bersa_ser_trigger_set, "%lld\n");
+
+static int
+bersa_radar_trigger(void *data, u64 val)
+{
+	struct bersa_dev *dev = data;
+
+	if (val > MT_RX_SEL2)
+		return -EINVAL;
+
+	return bersa_mcu_rdd_cmd(dev, RDD_RADAR_EMULATE,
+				 val, 0, 0);
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(fops_radar_trigger, NULL,
+			 bersa_radar_trigger, "%lld\n");
+
+static int
+bersa_muru_debug_set(void *data, u64 val)
+{
+	struct bersa_dev *dev = data;
+
+	dev->muru_debug = val;
+	bersa_mcu_muru_debug_set(dev, data);
+
+	return 0;
+}
+
+static int
+bersa_muru_debug_get(void *data, u64 *val)
+{
+	struct bersa_dev *dev = data;
+
+	*val = dev->muru_debug;
+
+	return 0;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(fops_muru_debug, bersa_muru_debug_get,
+			 bersa_muru_debug_set, "%lld\n");
+
+static int bersa_muru_stats_show(struct seq_file *file, void *data)
+{
+	struct bersa_phy *phy = file->private;
+	struct bersa_dev *dev = phy->dev;
+	struct bersa_mcu_muru_stats mu_stats = {};
+	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 = bersa_mcu_muru_debug_get(phy, &mu_stats);
+	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]);
+
+#define __dl_u32(s)     le32_to_cpu(mu_stats.dl.s)
+	seq_puts(file, "\nTotal Count:");
+	seq_printf(file, "%8u | %8u | %8u | %8u | %8u | ",
+		   __dl_u32(cck_cnt),
+		   __dl_u32(ofdm_cnt),
+		   __dl_u32(htmix_cnt),
+		   __dl_u32(htgf_cnt),
+		   __dl_u32(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 | ",
+		   __dl_u32(vht_2mu_cnt),
+		   __dl_u32(vht_3mu_cnt),
+		   __dl_u32(vht_4mu_cnt));
+
+	sub_total_cnt = __dl_u32(vht_2mu_cnt) +
+		__dl_u32(vht_3mu_cnt) +
+		__dl_u32(vht_4mu_cnt);
+
+	seq_printf(file, "\nTotal non-HE MU-MIMO DL PPDU count: %lld",
+		   sub_total_cnt);
+
+	total_ppdu_cnt = sub_total_cnt +
+		__dl_u32(cck_cnt) +
+		__dl_u32(ofdm_cnt) +
+		__dl_u32(htmix_cnt) +
+		__dl_u32(htgf_cnt) +
+		__dl_u32(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 | ",
+		   __dl_u32(he_su_cnt),
+		   __dl_u32(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 | ",
+		   __dl_u32(he_2mu_cnt),
+		   __dl_u32(he_3mu_cnt),
+		   __dl_u32(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 | ",
+		   __dl_u32(he_2ru_cnt),
+		   __dl_u32(he_3ru_cnt),
+		   __dl_u32(he_4ru_cnt),
+		   __dl_u32(he_5to8ru_cnt),
+		   __dl_u32(he_9to16ru_cnt),
+		   __dl_u32(he_gtr16ru_cnt));
+
+	sub_total_cnt = __dl_u32(he_2mu_cnt) +
+		__dl_u32(he_3mu_cnt) +
+		__dl_u32(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 = __dl_u32(he_2ru_cnt) +
+		__dl_u32(he_3ru_cnt) +
+		__dl_u32(he_4ru_cnt) +
+		__dl_u32(he_5to8ru_cnt) +
+		__dl_u32(he_9to16ru_cnt) +
+		__dl_u32(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 += __dl_u32(he_su_cnt) +
+		__dl_u32(he_ext_su_cnt);
+
+	seq_printf(file, "\nAll HE DL PPDU count: %lld", total_ppdu_cnt);
+#undef __dl_u32
+
+	/* 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]);
+
+#define __ul_u32(s)     le32_to_cpu(mu_stats.ul.s)
+	seq_puts(file, "\nTotal Count:");
+	seq_printf(file, "%8u | %8u | %8u | ",
+		   __ul_u32(hetrig_2mu_cnt),
+		   __ul_u32(hetrig_3mu_cnt),
+		   __ul_u32(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 | ",
+		   __ul_u32(hetrig_su_cnt),
+		   __ul_u32(hetrig_2ru_cnt),
+		   __ul_u32(hetrig_3ru_cnt),
+		   __ul_u32(hetrig_4ru_cnt),
+		   __ul_u32(hetrig_5to8ru_cnt),
+		   __ul_u32(hetrig_9to16ru_cnt),
+		   __ul_u32(hetrig_gtr16ru_cnt));
+
+	sub_total_cnt = __ul_u32(hetrig_2mu_cnt) +
+		__ul_u32(hetrig_3mu_cnt) +
+		__ul_u32(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 = __ul_u32(hetrig_2ru_cnt) +
+		__ul_u32(hetrig_3ru_cnt) +
+		__ul_u32(hetrig_4ru_cnt) +
+		__ul_u32(hetrig_5to8ru_cnt) +
+		__ul_u32(hetrig_9to16ru_cnt) +
+		__ul_u32(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 += __ul_u32(hetrig_su_cnt);
+
+	seq_printf(file, "\nAll HE UL TB PPDU count: %lld\n", total_ppdu_cnt);
+#undef __ul_u32
+
+exit:
+	mutex_unlock(&dev->mt76.mutex);
+
+	return ret;
+}
+DEFINE_SHOW_ATTRIBUTE(bersa_muru_stats);
+
+static int
+bersa_rdd_monitor(struct seq_file *s, void *data)
+{
+	struct bersa_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 (!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
+bersa_fw_debug_wm_set(void *data, u64 val)
+{
+	struct bersa_dev *dev = data;
+	enum {
+		DEBUG_TXCMD = 62,
+		DEBUG_CMD_RPT_TX,
+		DEBUG_CMD_RPT_TRIG,
+		DEBUG_SPL,
+		DEBUG_RPT_RX,
+		DEBUG_RPT_RA = 68,
+	} debug;
+	bool tx, rx, en;
+	int ret;
+
+	dev->fw_debug_wm = val ? MCU_FW_LOG_TO_HOST : 0;
+
+	if (dev->fw_debug_bin)
+		val = MCU_FW_LOG_RELAY;
+	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 = bersa_mcu_fw_log_2_host(dev, MCU_FW_LOG_WM, val);
+	if (ret)
+		return ret;
+
+	for (debug = DEBUG_TXCMD; debug <= DEBUG_RPT_RA; debug++) {
+		if (debug == 67)
+			continue;
+
+		if (debug == DEBUG_RPT_RX)
+			val = en && rx;
+		else
+			val = en && tx;
+
+		ret = bersa_mcu_fw_dbg_ctrl(dev, debug, val);
+		if (ret)
+			return ret;
+	}
+
+	/* TODO */
+	/* 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); */
+	/* 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)); */
+
+	return 0;
+}
+
+static int
+bersa_fw_debug_wm_get(void *data, u64 *val)
+{
+	struct bersa_dev *dev = data;
+
+	*val = dev->fw_debug_wm;
+
+	return 0;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug_wm, bersa_fw_debug_wm_get,
+			 bersa_fw_debug_wm_set, "%lld\n");
+
+static int
+bersa_fw_debug_wa_set(void *data, u64 val)
+{
+	struct bersa_dev *dev = data;
+	int ret;
+
+	dev->fw_debug_wa = val ? MCU_FW_LOG_TO_HOST : 0;
+
+	ret = bersa_mcu_fw_log_2_host(dev, MCU_FW_LOG_WA, dev->fw_debug_wa);
+	if (ret)
+		return ret;
+
+	return bersa_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(SET), MCU_WA_PARAM_PDMA_RX,
+				 !!dev->fw_debug_wa, 0);
+}
+
+static int
+bersa_fw_debug_wa_get(void *data, u64 *val)
+{
+	struct bersa_dev *dev = data;
+
+	*val = dev->fw_debug_wa;
+
+	return 0;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug_wa, bersa_fw_debug_wa_get,
+			 bersa_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
+bersa_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 bersa_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 bersa_fw_debug_wm_set(dev, dev->fw_debug_wm);
+}
+
+static int
+bersa_fw_debug_bin_get(void *data, u64 *val)
+{
+	struct bersa_dev *dev = data;
+
+	*val = dev->fw_debug_bin;
+
+	return 0;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug_bin, bersa_fw_debug_bin_get,
+			 bersa_fw_debug_bin_set, "%lld\n");
+
+static int
+bersa_fw_util_wm_show(struct seq_file *file, void *data)
+{
+	struct bersa_dev *dev = file->private;
+
+	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(bersa_fw_util_wm);
+
+static int
+bersa_fw_util_wa_show(struct seq_file *file, void *data)
+{
+	struct bersa_dev *dev = file->private;
+
+	if (dev->fw_debug_wa)
+		return bersa_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(QUERY),
+					 MCU_WA_PARAM_CPU_UTIL, 0, 0);
+
+	return 0;
+}
+
+DEFINE_SHOW_ATTRIBUTE(bersa_fw_util_wa);
+
+static void
+bersa_ampdu_stat_read_phy(struct bersa_phy *phy,
+			   struct seq_file *file)
+{
+	struct bersa_dev *dev = phy->dev;
+	int bound[15], range[4], i, n;
+
+	/* Tx ampdu stat */
+	for (i = 0; i < ARRAY_SIZE(range); i++)
+		range[i] = mt76_rr(dev, MT_MIB_ARNG(phy->band_idx, 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", phy->band_idx);
+
+	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:  ");
+	n = phy->band_idx ? ARRAY_SIZE(dev->mt76.aggr_stats) / 2 : 0;
+	for (i = 0; i < ARRAY_SIZE(bound); i++)
+		seq_printf(file, "%8d | ", dev->mt76.aggr_stats[i + n]);
+	seq_puts(file, "\n");
+
+	seq_printf(file, "BA miss count: %d\n", phy->mib.ba_miss_cnt);
+}
+
+static void
+bersa_txbf_stat_read_phy(struct bersa_phy *phy, struct seq_file *s)
+{
+	static const char * const bw[] = {
+		"BW20", "BW40", "BW80", "BW160"
+	};
+	struct mib_stats *mib = &phy->mib;
+
+	/* 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
+bersa_tx_stats_show(struct seq_file *file, void *data)
+{
+	struct bersa_phy *phy = file->private;
+	struct bersa_dev *dev = phy->dev;
+	struct mib_stats *mib = &phy->mib;
+	int i;
+
+	mutex_lock(&dev->mt76.mutex);
+
+	bersa_ampdu_stat_read_phy(phy, file);
+	bersa_mac_update_stats(phy);
+	bersa_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(bersa_tx_stats);
+
+static void
+bersa_hw_queue_read(struct seq_file *s, u32 size,
+		     const struct hw_queue_map *map)
+{
+	struct bersa_phy *phy = s->private;
+	struct bersa_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) | (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
+bersa_sta_hw_queue_read(void *data, struct ieee80211_sta *sta)
+{
+	struct bersa_sta *msta = (struct bersa_sta *)sta->drv_priv;
+	struct bersa_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
+bersa_hw_queues_show(struct seq_file *file, void *data)
+{
+	struct bersa_phy *phy = file->private;
+	struct bersa_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");
+	bersa_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,
+					  bersa_sta_hw_queue_read, file);
+	/* pse queue */
+	seq_puts(file, "PSE non-empty queue info:\n");
+	bersa_hw_queue_read(file, ARRAY_SIZE(pse_queue_map),
+			     &pse_queue_map[0]);
+
+	return 0;
+}
+
+DEFINE_SHOW_ATTRIBUTE(bersa_hw_queues);
+
+static int
+bersa_xmit_queues_show(struct seq_file *file, void *data)
+{
+	struct bersa_phy *phy = file->private;
+	struct bersa_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(bersa_xmit_queues);
+
+static int
+bersa_rate_txpower_show(struct seq_file *file, void *data)
+{
+	static const char * const sku_group_name[] = {
+		"CCK", "OFDM", "HT20", "HT40",
+		"VHT20", "VHT40", "VHT80", "VHT160",
+		"RU26", "RU52", "RU106", "RU242/SU20",
+		"RU484/SU40", "RU996/SU80", "RU2x996/SU160"
+	};
+	struct bersa_phy *phy = file->private;
+	s8 txpower[BERSA_SKU_RATE_NUM], *buf;
+	int i;
+
+	seq_printf(file, "\nBand %d\n", phy->band_idx);
+	bersa_mcu_get_txpower_sku(phy, txpower, sizeof(txpower));
+	for (i = 0, buf = txpower; i < ARRAY_SIZE(bersa_sku_group_len); i++) {
+		u8 mcs_num = bersa_sku_group_len[i];
+
+		if (i >= SKU_VHT_BW20 && i <= SKU_VHT_BW160)
+			mcs_num = 10;
+
+		mt76_seq_puts_array(file, sku_group_name[i], buf, mcs_num);
+		buf += bersa_sku_group_len[i];
+	}
+
+	return 0;
+}
+
+DEFINE_SHOW_ATTRIBUTE(bersa_rate_txpower);
+
+static int
+bersa_twt_stats(struct seq_file *s, void *data)
+{
+	struct bersa_dev *dev = dev_get_drvdata(s->private);
+	struct bersa_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;
+}
+
+int bersa_init_debugfs(struct bersa_phy *phy)
+{
+	struct bersa_dev *dev = phy->dev;
+	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,
+			    &bersa_muru_stats_fops);
+	debugfs_create_file("hw-queues", 0400, dir, phy,
+			    &bersa_hw_queues_fops);
+	debugfs_create_file("xmit-queues", 0400, dir, phy,
+			    &bersa_xmit_queues_fops);
+	debugfs_create_file("tx_stats", 0400, dir, phy, &bersa_tx_stats_fops);
+	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,
+			    &bersa_fw_util_wm_fops);
+	debugfs_create_file("fw_util_wa", 0400, dir, dev,
+			    &bersa_fw_util_wa_fops);
+	debugfs_create_file("implicit_txbf", 0600, dir, dev,
+			    &fops_implicit_txbf);
+	debugfs_create_file("txpower_sku", 0400, dir, phy,
+			    &bersa_rate_txpower_fops);
+	debugfs_create_devm_seqfile(dev->mt76.dev, "twt_stats", dir,
+				    bersa_twt_stats);
+	debugfs_create_file("ser_trigger", 0200, dir, dev, &fops_ser_trigger);
+	if (!dev->dbdc_support || phy->band_idx) {
+		debugfs_create_u32("dfs_hw_pattern", 0400, dir,
+				   &dev->hw_pattern);
+		debugfs_create_file("radar_trigger", 0200, dir, dev,
+				    &fops_radar_trigger);
+		debugfs_create_devm_seqfile(dev->mt76.dev, "rdd_monitor", dir,
+					    bersa_rdd_monitor);
+	}
+
+	if (phy == &dev->phy)
+		dev->debugfs_dir = dir;
+
+	return 0;
+}
+
+static void
+bersa_debugfs_write_fwlog(struct bersa_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 bersa_debugfs_rx_fw_monitor(struct bersa_dev *dev, const void *data, int len)
+{
+	struct {
+		__le32 magic;
+		u8 version;
+		u8 _rsv;
+		__le16 serial_id;
+		__le32 timestamp;
+		__le16 msg_type;
+		__le16 len;
+	} hdr = {
+		.version = 0x1,
+		.magic = cpu_to_le32(FW_BIN_LOG_MAGIC),
+		.msg_type = PKT_TYPE_RX_FW_MONITOR,
+	};
+
+	if (!dev->relay_fwlog)
+		return;
+
+	hdr.serial_id = cpu_to_le16(dev->fw_debug_seq++);
+	hdr.timestamp = cpu_to_le32(mt76_rr(dev, MT_LPON_FRCR(0)));
+	hdr.len = *(__le16 *)data;
+	bersa_debugfs_write_fwlog(dev, &hdr, sizeof(hdr), data, len);
+}
+
+bool bersa_debugfs_rx_log(struct bersa_dev *dev, const void *data, int len)
+{
+	if (get_unaligned_le32(data) != FW_BIN_LOG_MAGIC)
+		return false;
+
+	if (dev->relay_fwlog)
+		bersa_debugfs_write_fwlog(dev, NULL, 0, data, len);
+
+	return true;
+}
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+/** per-station debugfs **/
+
+static ssize_t bersa_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 bersa_sta *msta = (struct bersa_sta *)sta->drv_priv;
+	struct bersa_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->he_cap.has_he);
+		phy.he_ltf |= he_ltf << (i << sta->he_cap.has_he);
+	}
+	field = RATE_PARAM_FIXED;
+
+out:
+	vif = container_of((void *)msta->vif, struct ieee80211_vif, drv_priv);
+	ret = bersa_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 = bersa_sta_fixed_rate_set,
+	.open = simple_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
+static int
+bersa_queues_show(struct seq_file *s, void *data)
+{
+	struct ieee80211_sta *sta = s->private;
+
+	bersa_sta_hw_queue_read(s, sta);
+
+	return 0;
+}
+
+DEFINE_SHOW_ATTRIBUTE(bersa_queues);
+
+void bersa_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, &bersa_queues_fops);
+}
+
+#endif