Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 640 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath10k/debugfs_sta.c b/drivers/net/wireless/ath/ath10k/debugfs_sta.c
new file mode 100644
index 000000000..6f10331e9
--- /dev/null
+++ b/drivers/net/wireless/ath/ath10k/debugfs_sta.c
@@ -0,0 +1,640 @@
+/*
+ * Copyright (c) 2014-2017 Qualcomm Atheros, Inc.
+ * Copyright (c) 2018, The Linux Foundation. All rights reserved.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "core.h"
+#include "wmi-ops.h"
+#include "txrx.h"
+#include "debug.h"
+
+static void ath10k_rx_stats_update_amsdu_subfrm(struct ath10k *ar,
+						struct ath10k_sta_tid_stats *stats,
+						u32 msdu_count)
+{
+	if (msdu_count == 1)
+		stats->rx_pkt_amsdu[ATH10K_AMSDU_SUBFRM_NUM_1]++;
+	else if (msdu_count == 2)
+		stats->rx_pkt_amsdu[ATH10K_AMSDU_SUBFRM_NUM_2]++;
+	else if (msdu_count == 3)
+		stats->rx_pkt_amsdu[ATH10K_AMSDU_SUBFRM_NUM_3]++;
+	else if (msdu_count == 4)
+		stats->rx_pkt_amsdu[ATH10K_AMSDU_SUBFRM_NUM_4]++;
+	else if (msdu_count > 4)
+		stats->rx_pkt_amsdu[ATH10K_AMSDU_SUBFRM_NUM_MORE]++;
+}
+
+static void ath10k_rx_stats_update_ampdu_subfrm(struct ath10k *ar,
+						struct ath10k_sta_tid_stats *stats,
+						u32 mpdu_count)
+{
+	if (mpdu_count <= 10)
+		stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_10]++;
+	else if (mpdu_count <= 20)
+		stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_20]++;
+	else if (mpdu_count <= 30)
+		stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_30]++;
+	else if (mpdu_count <= 40)
+		stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_40]++;
+	else if (mpdu_count <= 50)
+		stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_50]++;
+	else if (mpdu_count <= 60)
+		stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_60]++;
+	else if (mpdu_count > 60)
+		stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_MORE]++;
+}
+
+void ath10k_sta_update_rx_tid_stats_ampdu(struct ath10k *ar, u16 peer_id, u8 tid,
+					  struct htt_rx_indication_mpdu_range *ranges,
+					  int num_ranges)
+{
+	struct ath10k_sta *arsta;
+	struct ath10k_peer *peer;
+	int i;
+
+	if (tid > IEEE80211_NUM_TIDS || !(ar->sta_tid_stats_mask & BIT(tid)))
+		return;
+
+	rcu_read_lock();
+	spin_lock_bh(&ar->data_lock);
+
+	peer = ath10k_peer_find_by_id(ar, peer_id);
+	if (!peer || !peer->sta)
+		goto out;
+
+	arsta = (struct ath10k_sta *)peer->sta->drv_priv;
+
+	for (i = 0; i < num_ranges; i++)
+		ath10k_rx_stats_update_ampdu_subfrm(ar,
+						    &arsta->tid_stats[tid],
+						    ranges[i].mpdu_count);
+
+out:
+	spin_unlock_bh(&ar->data_lock);
+	rcu_read_unlock();
+}
+
+void ath10k_sta_update_rx_tid_stats(struct ath10k *ar, u8 *first_hdr,
+				    unsigned long int num_msdus,
+				    enum ath10k_pkt_rx_err err,
+				    unsigned long int unchain_cnt,
+				    unsigned long int drop_cnt,
+				    unsigned long int drop_cnt_filter,
+				    unsigned long int queued_msdus)
+{
+	struct ieee80211_sta *sta;
+	struct ath10k_sta *arsta;
+	struct ieee80211_hdr *hdr;
+	struct ath10k_sta_tid_stats *stats;
+	u8 tid = IEEE80211_NUM_TIDS;
+	bool non_data_frm = false;
+
+	hdr = (struct ieee80211_hdr *)first_hdr;
+	if (!ieee80211_is_data(hdr->frame_control))
+		non_data_frm = true;
+
+	if (ieee80211_is_data_qos(hdr->frame_control))
+		tid = *ieee80211_get_qos_ctl(hdr) & IEEE80211_QOS_CTL_TID_MASK;
+
+	if (!(ar->sta_tid_stats_mask & BIT(tid)) || non_data_frm)
+		return;
+
+	rcu_read_lock();
+
+	sta = ieee80211_find_sta_by_ifaddr(ar->hw, hdr->addr2, NULL);
+	if (!sta)
+		goto exit;
+
+	arsta = (struct ath10k_sta *)sta->drv_priv;
+
+	spin_lock_bh(&ar->data_lock);
+	stats = &arsta->tid_stats[tid];
+	stats->rx_pkt_from_fw += num_msdus;
+	stats->rx_pkt_unchained += unchain_cnt;
+	stats->rx_pkt_drop_chained += drop_cnt;
+	stats->rx_pkt_drop_filter += drop_cnt_filter;
+	if (err != ATH10K_PKT_RX_ERR_MAX)
+		stats->rx_pkt_err[err] += queued_msdus;
+	stats->rx_pkt_queued_for_mac += queued_msdus;
+	ath10k_rx_stats_update_amsdu_subfrm(ar, &arsta->tid_stats[tid],
+					    num_msdus);
+	spin_unlock_bh(&ar->data_lock);
+
+exit:
+	rcu_read_unlock();
+}
+
+static void ath10k_sta_update_extd_stats_rx_duration(struct ath10k *ar,
+						     struct ath10k_fw_stats *stats)
+{
+	struct ath10k_fw_extd_stats_peer *peer;
+	struct ieee80211_sta *sta;
+	struct ath10k_sta *arsta;
+
+	rcu_read_lock();
+	list_for_each_entry(peer, &stats->peers_extd, list) {
+		sta = ieee80211_find_sta_by_ifaddr(ar->hw, peer->peer_macaddr,
+						   NULL);
+		if (!sta)
+			continue;
+		arsta = (struct ath10k_sta *)sta->drv_priv;
+		arsta->rx_duration += (u64)peer->rx_duration;
+	}
+	rcu_read_unlock();
+}
+
+static void ath10k_sta_update_stats_rx_duration(struct ath10k *ar,
+						struct ath10k_fw_stats *stats)
+{
+	struct ath10k_fw_stats_peer *peer;
+	struct ieee80211_sta *sta;
+	struct ath10k_sta *arsta;
+
+	rcu_read_lock();
+	list_for_each_entry(peer, &stats->peers, list) {
+		sta = ieee80211_find_sta_by_ifaddr(ar->hw, peer->peer_macaddr,
+						   NULL);
+		if (!sta)
+			continue;
+		arsta = (struct ath10k_sta *)sta->drv_priv;
+		arsta->rx_duration += (u64)peer->rx_duration;
+	}
+	rcu_read_unlock();
+}
+
+void ath10k_sta_update_rx_duration(struct ath10k *ar,
+				   struct ath10k_fw_stats *stats)
+{
+	if (stats->extended)
+		ath10k_sta_update_extd_stats_rx_duration(ar, stats);
+	else
+		ath10k_sta_update_stats_rx_duration(ar, stats);
+}
+
+static ssize_t ath10k_dbg_sta_read_aggr_mode(struct file *file,
+					     char __user *user_buf,
+					     size_t count, loff_t *ppos)
+{
+	struct ieee80211_sta *sta = file->private_data;
+	struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
+	struct ath10k *ar = arsta->arvif->ar;
+	char buf[32];
+	int len = 0;
+
+	mutex_lock(&ar->conf_mutex);
+	len = scnprintf(buf, sizeof(buf) - len, "aggregation mode: %s\n",
+			(arsta->aggr_mode == ATH10K_DBG_AGGR_MODE_AUTO) ?
+			"auto" : "manual");
+	mutex_unlock(&ar->conf_mutex);
+
+	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t ath10k_dbg_sta_write_aggr_mode(struct file *file,
+					      const char __user *user_buf,
+					      size_t count, loff_t *ppos)
+{
+	struct ieee80211_sta *sta = file->private_data;
+	struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
+	struct ath10k *ar = arsta->arvif->ar;
+	u32 aggr_mode;
+	int ret;
+
+	if (kstrtouint_from_user(user_buf, count, 0, &aggr_mode))
+		return -EINVAL;
+
+	if (aggr_mode >= ATH10K_DBG_AGGR_MODE_MAX)
+		return -EINVAL;
+
+	mutex_lock(&ar->conf_mutex);
+	if ((ar->state != ATH10K_STATE_ON) ||
+	    (aggr_mode == arsta->aggr_mode)) {
+		ret = count;
+		goto out;
+	}
+
+	ret = ath10k_wmi_addba_clear_resp(ar, arsta->arvif->vdev_id, sta->addr);
+	if (ret) {
+		ath10k_warn(ar, "failed to clear addba session ret: %d\n", ret);
+		goto out;
+	}
+
+	arsta->aggr_mode = aggr_mode;
+out:
+	mutex_unlock(&ar->conf_mutex);
+	return ret;
+}
+
+static const struct file_operations fops_aggr_mode = {
+	.read = ath10k_dbg_sta_read_aggr_mode,
+	.write = ath10k_dbg_sta_write_aggr_mode,
+	.open = simple_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
+static ssize_t ath10k_dbg_sta_write_addba(struct file *file,
+					  const char __user *user_buf,
+					  size_t count, loff_t *ppos)
+{
+	struct ieee80211_sta *sta = file->private_data;
+	struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
+	struct ath10k *ar = arsta->arvif->ar;
+	u32 tid, buf_size;
+	int ret;
+	char buf[64] = {0};
+
+	ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos,
+				     user_buf, count);
+	if (ret <= 0)
+		return ret;
+
+	ret = sscanf(buf, "%u %u", &tid, &buf_size);
+	if (ret != 2)
+		return -EINVAL;
+
+	/* Valid TID values are 0 through 15 */
+	if (tid > HTT_DATA_TX_EXT_TID_MGMT - 2)
+		return -EINVAL;
+
+	mutex_lock(&ar->conf_mutex);
+	if ((ar->state != ATH10K_STATE_ON) ||
+	    (arsta->aggr_mode != ATH10K_DBG_AGGR_MODE_MANUAL)) {
+		ret = count;
+		goto out;
+	}
+
+	ret = ath10k_wmi_addba_send(ar, arsta->arvif->vdev_id, sta->addr,
+				    tid, buf_size);
+	if (ret) {
+		ath10k_warn(ar, "failed to send addba request: vdev_id %u peer %pM tid %u buf_size %u\n",
+			    arsta->arvif->vdev_id, sta->addr, tid, buf_size);
+	}
+
+	ret = count;
+out:
+	mutex_unlock(&ar->conf_mutex);
+	return ret;
+}
+
+static const struct file_operations fops_addba = {
+	.write = ath10k_dbg_sta_write_addba,
+	.open = simple_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
+static ssize_t ath10k_dbg_sta_write_addba_resp(struct file *file,
+					       const char __user *user_buf,
+					       size_t count, loff_t *ppos)
+{
+	struct ieee80211_sta *sta = file->private_data;
+	struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
+	struct ath10k *ar = arsta->arvif->ar;
+	u32 tid, status;
+	int ret;
+	char buf[64] = {0};
+
+	ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos,
+				     user_buf, count);
+	if (ret <= 0)
+		return ret;
+
+	ret = sscanf(buf, "%u %u", &tid, &status);
+	if (ret != 2)
+		return -EINVAL;
+
+	/* Valid TID values are 0 through 15 */
+	if (tid > HTT_DATA_TX_EXT_TID_MGMT - 2)
+		return -EINVAL;
+
+	mutex_lock(&ar->conf_mutex);
+	if ((ar->state != ATH10K_STATE_ON) ||
+	    (arsta->aggr_mode != ATH10K_DBG_AGGR_MODE_MANUAL)) {
+		ret = count;
+		goto out;
+	}
+
+	ret = ath10k_wmi_addba_set_resp(ar, arsta->arvif->vdev_id, sta->addr,
+					tid, status);
+	if (ret) {
+		ath10k_warn(ar, "failed to send addba response: vdev_id %u peer %pM tid %u status%u\n",
+			    arsta->arvif->vdev_id, sta->addr, tid, status);
+	}
+	ret = count;
+out:
+	mutex_unlock(&ar->conf_mutex);
+	return ret;
+}
+
+static const struct file_operations fops_addba_resp = {
+	.write = ath10k_dbg_sta_write_addba_resp,
+	.open = simple_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
+static ssize_t ath10k_dbg_sta_write_delba(struct file *file,
+					  const char __user *user_buf,
+					  size_t count, loff_t *ppos)
+{
+	struct ieee80211_sta *sta = file->private_data;
+	struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
+	struct ath10k *ar = arsta->arvif->ar;
+	u32 tid, initiator, reason;
+	int ret;
+	char buf[64] = {0};
+
+	ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos,
+				     user_buf, count);
+	if (ret <= 0)
+		return ret;
+
+	ret = sscanf(buf, "%u %u %u", &tid, &initiator, &reason);
+	if (ret != 3)
+		return -EINVAL;
+
+	/* Valid TID values are 0 through 15 */
+	if (tid > HTT_DATA_TX_EXT_TID_MGMT - 2)
+		return -EINVAL;
+
+	mutex_lock(&ar->conf_mutex);
+	if ((ar->state != ATH10K_STATE_ON) ||
+	    (arsta->aggr_mode != ATH10K_DBG_AGGR_MODE_MANUAL)) {
+		ret = count;
+		goto out;
+	}
+
+	ret = ath10k_wmi_delba_send(ar, arsta->arvif->vdev_id, sta->addr,
+				    tid, initiator, reason);
+	if (ret) {
+		ath10k_warn(ar, "failed to send delba: vdev_id %u peer %pM tid %u initiator %u reason %u\n",
+			    arsta->arvif->vdev_id, sta->addr, tid, initiator,
+			    reason);
+	}
+	ret = count;
+out:
+	mutex_unlock(&ar->conf_mutex);
+	return ret;
+}
+
+static const struct file_operations fops_delba = {
+	.write = ath10k_dbg_sta_write_delba,
+	.open = simple_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
+static ssize_t ath10k_dbg_sta_read_peer_debug_trigger(struct file *file,
+						      char __user *user_buf,
+						      size_t count,
+						      loff_t *ppos)
+{
+	struct ieee80211_sta *sta = file->private_data;
+	struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
+	struct ath10k *ar = arsta->arvif->ar;
+	char buf[8];
+	int len = 0;
+
+	mutex_lock(&ar->conf_mutex);
+	len = scnprintf(buf, sizeof(buf) - len,
+			"Write 1 to once trigger the debug logs\n");
+	mutex_unlock(&ar->conf_mutex);
+
+	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t
+ath10k_dbg_sta_write_peer_debug_trigger(struct file *file,
+					const char __user *user_buf,
+					size_t count, loff_t *ppos)
+{
+	struct ieee80211_sta *sta = file->private_data;
+	struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
+	struct ath10k *ar = arsta->arvif->ar;
+	u8 peer_debug_trigger;
+	int ret;
+
+	if (kstrtou8_from_user(user_buf, count, 0, &peer_debug_trigger))
+		return -EINVAL;
+
+	if (peer_debug_trigger != 1)
+		return -EINVAL;
+
+	mutex_lock(&ar->conf_mutex);
+
+	if (ar->state != ATH10K_STATE_ON) {
+		ret = -ENETDOWN;
+		goto out;
+	}
+
+	ret = ath10k_wmi_peer_set_param(ar, arsta->arvif->vdev_id, sta->addr,
+					WMI_PEER_DEBUG, peer_debug_trigger);
+	if (ret) {
+		ath10k_warn(ar, "failed to set param to trigger peer tid logs for station ret: %d\n",
+			    ret);
+		goto out;
+	}
+out:
+	mutex_unlock(&ar->conf_mutex);
+	return count;
+}
+
+static const struct file_operations fops_peer_debug_trigger = {
+	.open = simple_open,
+	.read = ath10k_dbg_sta_read_peer_debug_trigger,
+	.write = ath10k_dbg_sta_write_peer_debug_trigger,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
+static char *get_err_str(enum ath10k_pkt_rx_err i)
+{
+	switch (i) {
+	case ATH10K_PKT_RX_ERR_FCS:
+		return "fcs_err";
+	case ATH10K_PKT_RX_ERR_TKIP:
+		return "tkip_err";
+	case ATH10K_PKT_RX_ERR_CRYPT:
+		return "crypt_err";
+	case ATH10K_PKT_RX_ERR_PEER_IDX_INVAL:
+		return "peer_idx_inval";
+	case ATH10K_PKT_RX_ERR_MAX:
+		return "unknown";
+	}
+
+	return "unknown";
+}
+
+static char *get_num_ampdu_subfrm_str(enum ath10k_ampdu_subfrm_num i)
+{
+	switch (i) {
+	case ATH10K_AMPDU_SUBFRM_NUM_10:
+		return "upto 10";
+	case ATH10K_AMPDU_SUBFRM_NUM_20:
+		return "11-20";
+	case ATH10K_AMPDU_SUBFRM_NUM_30:
+		return "21-30";
+	case ATH10K_AMPDU_SUBFRM_NUM_40:
+		return "31-40";
+	case ATH10K_AMPDU_SUBFRM_NUM_50:
+		return "41-50";
+	case ATH10K_AMPDU_SUBFRM_NUM_60:
+		return "51-60";
+	case ATH10K_AMPDU_SUBFRM_NUM_MORE:
+		return ">60";
+	case ATH10K_AMPDU_SUBFRM_NUM_MAX:
+		return "0";
+	}
+
+	return "0";
+}
+
+static char *get_num_amsdu_subfrm_str(enum ath10k_amsdu_subfrm_num i)
+{
+	switch (i) {
+	case ATH10K_AMSDU_SUBFRM_NUM_1:
+		return "1";
+	case ATH10K_AMSDU_SUBFRM_NUM_2:
+		return "2";
+	case ATH10K_AMSDU_SUBFRM_NUM_3:
+		return "3";
+	case ATH10K_AMSDU_SUBFRM_NUM_4:
+		return "4";
+	case ATH10K_AMSDU_SUBFRM_NUM_MORE:
+		return ">4";
+	case ATH10K_AMSDU_SUBFRM_NUM_MAX:
+		return "0";
+	}
+
+	return "0";
+}
+
+#define PRINT_TID_STATS(_field, _tabs) \
+	do { \
+		int k = 0; \
+		for (j = 0; j <= IEEE80211_NUM_TIDS; j++) { \
+			if (ar->sta_tid_stats_mask & BIT(j))  { \
+				len += scnprintf(buf + len, buf_len - len, \
+						 "[%02d] %-10lu  ", \
+						 j, stats[j]._field); \
+				k++; \
+				if (k % 8 == 0)  { \
+					len += scnprintf(buf + len, \
+							 buf_len - len, "\n"); \
+					len += scnprintf(buf + len, \
+							 buf_len - len, \
+							 _tabs); \
+				} \
+			} \
+		} \
+		len += scnprintf(buf + len, buf_len - len, "\n"); \
+	} while (0)
+
+static ssize_t ath10k_dbg_sta_read_tid_stats(struct file *file,
+					     char __user *user_buf,
+					     size_t count, loff_t *ppos)
+{
+	struct ieee80211_sta *sta = file->private_data;
+	struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
+	struct ath10k *ar = arsta->arvif->ar;
+	struct ath10k_sta_tid_stats *stats = arsta->tid_stats;
+	size_t len = 0, buf_len = 1048 * IEEE80211_NUM_TIDS;
+	char *buf;
+	int i, j;
+	ssize_t ret;
+
+	buf = kzalloc(buf_len, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+
+	mutex_lock(&ar->conf_mutex);
+
+	spin_lock_bh(&ar->data_lock);
+
+	len += scnprintf(buf + len, buf_len - len,
+			 "\n\t\tDriver Rx pkt stats per tid, ([tid] count)\n");
+	len += scnprintf(buf + len, buf_len - len,
+			 "\t\t------------------------------------------\n");
+	len += scnprintf(buf + len, buf_len - len, "MSDUs from FW\t\t\t");
+	PRINT_TID_STATS(rx_pkt_from_fw, "\t\t\t\t");
+
+	len += scnprintf(buf + len, buf_len - len, "MSDUs unchained\t\t\t");
+	PRINT_TID_STATS(rx_pkt_unchained, "\t\t\t\t");
+
+	len += scnprintf(buf + len, buf_len - len,
+			 "MSDUs locally dropped:chained\t");
+	PRINT_TID_STATS(rx_pkt_drop_chained, "\t\t\t\t");
+
+	len += scnprintf(buf + len, buf_len - len,
+			 "MSDUs locally dropped:filtered\t");
+	PRINT_TID_STATS(rx_pkt_drop_filter, "\t\t\t\t");
+
+	len += scnprintf(buf + len, buf_len - len,
+			 "MSDUs queued for mac80211\t");
+	PRINT_TID_STATS(rx_pkt_queued_for_mac, "\t\t\t\t");
+
+	for (i = 0; i < ATH10K_PKT_RX_ERR_MAX; i++) {
+		len += scnprintf(buf + len, buf_len - len,
+				 "MSDUs with error:%s\t", get_err_str(i));
+		PRINT_TID_STATS(rx_pkt_err[i], "\t\t\t\t");
+	}
+
+	len += scnprintf(buf + len, buf_len - len, "\n");
+	for (i = 0; i < ATH10K_AMPDU_SUBFRM_NUM_MAX; i++) {
+		len += scnprintf(buf + len, buf_len - len,
+				 "A-MPDU num subframes %s\t",
+				 get_num_ampdu_subfrm_str(i));
+		PRINT_TID_STATS(rx_pkt_ampdu[i], "\t\t\t\t");
+	}
+
+	len += scnprintf(buf + len, buf_len - len, "\n");
+	for (i = 0; i < ATH10K_AMSDU_SUBFRM_NUM_MAX; i++) {
+		len += scnprintf(buf + len, buf_len - len,
+				 "A-MSDU num subframes %s\t\t",
+				 get_num_amsdu_subfrm_str(i));
+		PRINT_TID_STATS(rx_pkt_amsdu[i], "\t\t\t\t");
+	}
+
+	spin_unlock_bh(&ar->data_lock);
+
+	ret = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+
+	kfree(buf);
+
+	mutex_unlock(&ar->conf_mutex);
+
+	return ret;
+}
+
+static const struct file_operations fops_tid_stats_dump = {
+	.open = simple_open,
+	.read = ath10k_dbg_sta_read_tid_stats,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
+void ath10k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+			    struct ieee80211_sta *sta, struct dentry *dir)
+{
+	debugfs_create_file("aggr_mode", 0644, dir, sta, &fops_aggr_mode);
+	debugfs_create_file("addba", 0200, dir, sta, &fops_addba);
+	debugfs_create_file("addba_resp", 0200, dir, sta, &fops_addba_resp);
+	debugfs_create_file("delba", 0200, dir, sta, &fops_delba);
+	debugfs_create_file("peer_debug_trigger", 0600, dir, sta,
+			    &fops_peer_debug_trigger);
+	debugfs_create_file("dump_tid_stats", 0400, dir, sta,
+			    &fops_tid_stats_dump);
+}