debug.c 35.5 KB
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/*
 * Copyright (c) 2005-2011 Atheros Communications Inc.
 * Copyright (c) 2011-2013 Qualcomm Atheros, Inc.
 *
 * 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 <linux/module.h>
#include <linux/debugfs.h>
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#include <linux/version.h>
#include <linux/vermagic.h>
#include <linux/vmalloc.h>
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#include "core.h"
#include "debug.h"

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/* ms */
#define ATH10K_DEBUG_HTT_STATS_INTERVAL 1000

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#define ATH10K_FW_CRASH_DUMP_VERSION 1

/**
 * enum ath10k_fw_crash_dump_type - types of data in the dump file
 * @ATH10K_FW_CRASH_DUMP_REGDUMP: Register crash dump in binary format
 */
enum ath10k_fw_crash_dump_type {
	ATH10K_FW_CRASH_DUMP_REGISTERS = 0,

	ATH10K_FW_CRASH_DUMP_MAX,
};

struct ath10k_tlv_dump_data {
	/* see ath10k_fw_crash_dump_type above */
	__le32 type;

	/* in bytes */
	__le32 tlv_len;

	/* pad to 32-bit boundaries as needed */
	u8 tlv_data[];
} __packed;

struct ath10k_dump_file_data {
	/* dump file information */

	/* "ATH10K-FW-DUMP" */
	char df_magic[16];

	__le32 len;

	/* file dump version */
	__le32 version;

	/* some info we can get from ath10k struct that might help */

	u8 uuid[16];

	__le32 chip_id;

	/* 0 for now, in place for later hardware */
	__le32 bus_type;

	__le32 target_version;
	__le32 fw_version_major;
	__le32 fw_version_minor;
	__le32 fw_version_release;
	__le32 fw_version_build;
	__le32 phy_capability;
	__le32 hw_min_tx_power;
	__le32 hw_max_tx_power;
	__le32 ht_cap_info;
	__le32 vht_cap_info;
	__le32 num_rf_chains;

	/* firmware version string */
	char fw_ver[ETHTOOL_FWVERS_LEN];

	/* Kernel related information */

	/* time-of-day stamp */
	__le64 tv_sec;

	/* time-of-day stamp, nano-seconds */
	__le64 tv_nsec;

	/* LINUX_VERSION_CODE */
	__le32 kernel_ver_code;

	/* VERMAGIC_STRING */
	char kernel_ver[64];

	/* room for growth w/out changing binary format */
	u8 unused[128];

	/* struct ath10k_tlv_dump_data + more */
	u8 data[0];
} __packed;

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int ath10k_info(struct ath10k *ar, const char *fmt, ...)
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{
	struct va_format vaf = {
		.fmt = fmt,
	};
	va_list args;
	int ret;

	va_start(args, fmt);
	vaf.va = &args;
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	ret = dev_info(ar->dev, "%pV", &vaf);
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	trace_ath10k_log_info(ar, &vaf);
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	va_end(args);

	return ret;
}
EXPORT_SYMBOL(ath10k_info);

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void ath10k_print_driver_info(struct ath10k *ar)
{
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	ath10k_info(ar, "%s (0x%08x, 0x%08x) fw %s api %d htt %d.%d\n",
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		    ar->hw_params.name,
		    ar->target_version,
		    ar->chip_id,
		    ar->hw->wiphy->fw_version,
		    ar->fw_api,
		    ar->htt.target_version_major,
		    ar->htt.target_version_minor);
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	ath10k_info(ar, "debug %d debugfs %d tracing %d dfs %d testmode %d\n",
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		    config_enabled(CONFIG_ATH10K_DEBUG),
		    config_enabled(CONFIG_ATH10K_DEBUGFS),
		    config_enabled(CONFIG_ATH10K_TRACING),
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		    config_enabled(CONFIG_ATH10K_DFS_CERTIFIED),
		    config_enabled(CONFIG_NL80211_TESTMODE));
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}
EXPORT_SYMBOL(ath10k_print_driver_info);

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int ath10k_err(struct ath10k *ar, const char *fmt, ...)
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{
	struct va_format vaf = {
		.fmt = fmt,
	};
	va_list args;
	int ret;

	va_start(args, fmt);
	vaf.va = &args;
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	ret = dev_err(ar->dev, "%pV", &vaf);
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	trace_ath10k_log_err(ar, &vaf);
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	va_end(args);

	return ret;
}
EXPORT_SYMBOL(ath10k_err);

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int ath10k_warn(struct ath10k *ar, const char *fmt, ...)
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{
	struct va_format vaf = {
		.fmt = fmt,
	};
	va_list args;

	va_start(args, fmt);
	vaf.va = &args;
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	dev_warn_ratelimited(ar->dev, "%pV", &vaf);
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	trace_ath10k_log_warn(ar, &vaf);
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	va_end(args);

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	return 0;
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}
EXPORT_SYMBOL(ath10k_warn);

#ifdef CONFIG_ATH10K_DEBUGFS

void ath10k_debug_read_service_map(struct ath10k *ar,
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				   const void *service_map,
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				   size_t map_size)
{
	memcpy(ar->debug.wmi_service_bitmap, service_map, map_size);
}

static ssize_t ath10k_read_wmi_services(struct file *file,
					char __user *user_buf,
					size_t count, loff_t *ppos)
{
	struct ath10k *ar = file->private_data;
	char *buf;
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	unsigned int len = 0, buf_len = 4096;
	const char *name;
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	ssize_t ret_cnt;
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	bool enabled;
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	int i;

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

	mutex_lock(&ar->conf_mutex);

	if (len > buf_len)
		len = buf_len;

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	for (i = 0; i < WMI_SERVICE_MAX; i++) {
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		enabled = test_bit(i, ar->debug.wmi_service_bitmap);
		name = wmi_service_name(i);

		if (!name) {
			if (enabled)
				len += scnprintf(buf + len, buf_len - len,
						 "%-40s %s (bit %d)\n",
						 "unknown", "enabled", i);

			continue;
		}
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		len += scnprintf(buf + len, buf_len - len,
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				 "%-40s %s\n",
				 name, enabled ? "enabled" : "-");
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	}

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

	mutex_unlock(&ar->conf_mutex);

	kfree(buf);
	return ret_cnt;
}

static const struct file_operations fops_wmi_services = {
	.read = ath10k_read_wmi_services,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

void ath10k_debug_read_target_stats(struct ath10k *ar,
				    struct wmi_stats_event *ev)
{
	u8 *tmp = ev->data;
	struct ath10k_target_stats *stats;
	int num_pdev_stats, num_vdev_stats, num_peer_stats;
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	struct wmi_pdev_stats_10x *ps;
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	int i;

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	spin_lock_bh(&ar->data_lock);
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	stats = &ar->debug.target_stats;

	num_pdev_stats = __le32_to_cpu(ev->num_pdev_stats); /* 0 or 1 */
	num_vdev_stats = __le32_to_cpu(ev->num_vdev_stats); /* 0 or max vdevs */
	num_peer_stats = __le32_to_cpu(ev->num_peer_stats); /* 0 or max peers */

	if (num_pdev_stats) {
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		ps = (struct wmi_pdev_stats_10x *)tmp;
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		stats->ch_noise_floor = __le32_to_cpu(ps->chan_nf);
		stats->tx_frame_count = __le32_to_cpu(ps->tx_frame_count);
		stats->rx_frame_count = __le32_to_cpu(ps->rx_frame_count);
		stats->rx_clear_count = __le32_to_cpu(ps->rx_clear_count);
		stats->cycle_count = __le32_to_cpu(ps->cycle_count);
		stats->phy_err_count = __le32_to_cpu(ps->phy_err_count);
		stats->chan_tx_power = __le32_to_cpu(ps->chan_tx_pwr);

		stats->comp_queued = __le32_to_cpu(ps->wal.tx.comp_queued);
		stats->comp_delivered =
			__le32_to_cpu(ps->wal.tx.comp_delivered);
		stats->msdu_enqued = __le32_to_cpu(ps->wal.tx.msdu_enqued);
		stats->mpdu_enqued = __le32_to_cpu(ps->wal.tx.mpdu_enqued);
		stats->wmm_drop = __le32_to_cpu(ps->wal.tx.wmm_drop);
		stats->local_enqued = __le32_to_cpu(ps->wal.tx.local_enqued);
		stats->local_freed = __le32_to_cpu(ps->wal.tx.local_freed);
		stats->hw_queued = __le32_to_cpu(ps->wal.tx.hw_queued);
		stats->hw_reaped = __le32_to_cpu(ps->wal.tx.hw_reaped);
		stats->underrun = __le32_to_cpu(ps->wal.tx.underrun);
		stats->tx_abort = __le32_to_cpu(ps->wal.tx.tx_abort);
		stats->mpdus_requed = __le32_to_cpu(ps->wal.tx.mpdus_requed);
		stats->tx_ko = __le32_to_cpu(ps->wal.tx.tx_ko);
		stats->data_rc = __le32_to_cpu(ps->wal.tx.data_rc);
		stats->self_triggers = __le32_to_cpu(ps->wal.tx.self_triggers);
		stats->sw_retry_failure =
			__le32_to_cpu(ps->wal.tx.sw_retry_failure);
		stats->illgl_rate_phy_err =
			__le32_to_cpu(ps->wal.tx.illgl_rate_phy_err);
		stats->pdev_cont_xretry =
			__le32_to_cpu(ps->wal.tx.pdev_cont_xretry);
		stats->pdev_tx_timeout =
			__le32_to_cpu(ps->wal.tx.pdev_tx_timeout);
		stats->pdev_resets = __le32_to_cpu(ps->wal.tx.pdev_resets);
		stats->phy_underrun = __le32_to_cpu(ps->wal.tx.phy_underrun);
		stats->txop_ovf = __le32_to_cpu(ps->wal.tx.txop_ovf);

		stats->mid_ppdu_route_change =
			__le32_to_cpu(ps->wal.rx.mid_ppdu_route_change);
		stats->status_rcvd = __le32_to_cpu(ps->wal.rx.status_rcvd);
		stats->r0_frags = __le32_to_cpu(ps->wal.rx.r0_frags);
		stats->r1_frags = __le32_to_cpu(ps->wal.rx.r1_frags);
		stats->r2_frags = __le32_to_cpu(ps->wal.rx.r2_frags);
		stats->r3_frags = __le32_to_cpu(ps->wal.rx.r3_frags);
		stats->htt_msdus = __le32_to_cpu(ps->wal.rx.htt_msdus);
		stats->htt_mpdus = __le32_to_cpu(ps->wal.rx.htt_mpdus);
		stats->loc_msdus = __le32_to_cpu(ps->wal.rx.loc_msdus);
		stats->loc_mpdus = __le32_to_cpu(ps->wal.rx.loc_mpdus);
		stats->oversize_amsdu =
			__le32_to_cpu(ps->wal.rx.oversize_amsdu);
		stats->phy_errs = __le32_to_cpu(ps->wal.rx.phy_errs);
		stats->phy_err_drop = __le32_to_cpu(ps->wal.rx.phy_err_drop);
		stats->mpdu_errs = __le32_to_cpu(ps->wal.rx.mpdu_errs);

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		if (test_bit(ATH10K_FW_FEATURE_WMI_10X,
			     ar->fw_features)) {
			stats->ack_rx_bad = __le32_to_cpu(ps->ack_rx_bad);
			stats->rts_bad = __le32_to_cpu(ps->rts_bad);
			stats->rts_good = __le32_to_cpu(ps->rts_good);
			stats->fcs_bad = __le32_to_cpu(ps->fcs_bad);
			stats->no_beacons = __le32_to_cpu(ps->no_beacons);
			stats->mib_int_count = __le32_to_cpu(ps->mib_int_count);
			tmp += sizeof(struct wmi_pdev_stats_10x);
		} else {
			tmp += sizeof(struct wmi_pdev_stats_old);
		}
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	}

	/* 0 or max vdevs */
	/* Currently firmware does not support VDEV stats */
	if (num_vdev_stats) {
		struct wmi_vdev_stats *vdev_stats;

		for (i = 0; i < num_vdev_stats; i++) {
			vdev_stats = (struct wmi_vdev_stats *)tmp;
			tmp += sizeof(struct wmi_vdev_stats);
		}
	}

	if (num_peer_stats) {
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		struct wmi_peer_stats_10x *peer_stats;
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		struct ath10k_peer_stat *s;

		stats->peers = num_peer_stats;

		for (i = 0; i < num_peer_stats; i++) {
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			peer_stats = (struct wmi_peer_stats_10x *)tmp;
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			s = &stats->peer_stat[i];

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			memcpy(s->peer_macaddr, &peer_stats->peer_macaddr.addr,
			       ETH_ALEN);
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			s->peer_rssi = __le32_to_cpu(peer_stats->peer_rssi);
			s->peer_tx_rate =
				__le32_to_cpu(peer_stats->peer_tx_rate);
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			if (test_bit(ATH10K_FW_FEATURE_WMI_10X,
				     ar->fw_features)) {
				s->peer_rx_rate =
					__le32_to_cpu(peer_stats->peer_rx_rate);
				tmp += sizeof(struct wmi_peer_stats_10x);

			} else {
				tmp += sizeof(struct wmi_peer_stats_old);
			}
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		}
	}

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	spin_unlock_bh(&ar->data_lock);
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	complete(&ar->debug.event_stats_compl);
}

static ssize_t ath10k_read_fw_stats(struct file *file, char __user *user_buf,
				    size_t count, loff_t *ppos)
{
	struct ath10k *ar = file->private_data;
	struct ath10k_target_stats *fw_stats;
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	char *buf = NULL;
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	unsigned int len = 0, buf_len = 8000;
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	ssize_t ret_cnt = 0;
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	long left;
	int i;
	int ret;

	fw_stats = &ar->debug.target_stats;

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	mutex_lock(&ar->conf_mutex);

	if (ar->state != ATH10K_STATE_ON)
		goto exit;

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	buf = kzalloc(buf_len, GFP_KERNEL);
	if (!buf)
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		goto exit;
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	ret = ath10k_wmi_request_stats(ar, WMI_REQUEST_PEER_STAT);
	if (ret) {
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		ath10k_warn(ar, "could not request stats (%d)\n", ret);
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		goto exit;
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	}

	left = wait_for_completion_timeout(&ar->debug.event_stats_compl, 1*HZ);
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	if (left <= 0)
		goto exit;
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	spin_lock_bh(&ar->data_lock);
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	len += scnprintf(buf + len, buf_len - len, "\n");
	len += scnprintf(buf + len, buf_len - len, "%30s\n",
			 "ath10k PDEV stats");
	len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
				 "=================");

	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "Channel noise floor", fw_stats->ch_noise_floor);
	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
			 "Channel TX power", fw_stats->chan_tx_power);
	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
			 "TX frame count", fw_stats->tx_frame_count);
	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
			 "RX frame count", fw_stats->rx_frame_count);
	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
			 "RX clear count", fw_stats->rx_clear_count);
	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
			 "Cycle count", fw_stats->cycle_count);
	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
			 "PHY error count", fw_stats->phy_err_count);
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	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
			 "RTS bad count", fw_stats->rts_bad);
	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
			 "RTS good count", fw_stats->rts_good);
	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
			 "FCS bad count", fw_stats->fcs_bad);
	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
			 "No beacon count", fw_stats->no_beacons);
	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
			 "MIB int count", fw_stats->mib_int_count);
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	len += scnprintf(buf + len, buf_len - len, "\n");
	len += scnprintf(buf + len, buf_len - len, "%30s\n",
			 "ath10k PDEV TX stats");
	len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
				 "=================");

	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "HTT cookies queued", fw_stats->comp_queued);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "HTT cookies disp.", fw_stats->comp_delivered);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "MSDU queued", fw_stats->msdu_enqued);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "MPDU queued", fw_stats->mpdu_enqued);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "MSDUs dropped", fw_stats->wmm_drop);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "Local enqued", fw_stats->local_enqued);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "Local freed", fw_stats->local_freed);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "HW queued", fw_stats->hw_queued);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "PPDUs reaped", fw_stats->hw_reaped);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "Num underruns", fw_stats->underrun);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "PPDUs cleaned", fw_stats->tx_abort);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "MPDUs requed", fw_stats->mpdus_requed);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "Excessive retries", fw_stats->tx_ko);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "HW rate", fw_stats->data_rc);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "Sched self tiggers", fw_stats->self_triggers);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "Dropped due to SW retries",
			 fw_stats->sw_retry_failure);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "Illegal rate phy errors",
			 fw_stats->illgl_rate_phy_err);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "Pdev continous xretry", fw_stats->pdev_cont_xretry);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "TX timeout", fw_stats->pdev_tx_timeout);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "PDEV resets", fw_stats->pdev_resets);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "PHY underrun", fw_stats->phy_underrun);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "MPDU is more than txop limit", fw_stats->txop_ovf);

	len += scnprintf(buf + len, buf_len - len, "\n");
	len += scnprintf(buf + len, buf_len - len, "%30s\n",
			 "ath10k PDEV RX stats");
	len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
				 "=================");

	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "Mid PPDU route change",
			 fw_stats->mid_ppdu_route_change);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "Tot. number of statuses", fw_stats->status_rcvd);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "Extra frags on rings 0", fw_stats->r0_frags);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "Extra frags on rings 1", fw_stats->r1_frags);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "Extra frags on rings 2", fw_stats->r2_frags);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "Extra frags on rings 3", fw_stats->r3_frags);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "MSDUs delivered to HTT", fw_stats->htt_msdus);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "MPDUs delivered to HTT", fw_stats->htt_mpdus);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "MSDUs delivered to stack", fw_stats->loc_msdus);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "MPDUs delivered to stack", fw_stats->loc_mpdus);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "Oversized AMSUs", fw_stats->oversize_amsdu);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "PHY errors", fw_stats->phy_errs);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "PHY errors drops", fw_stats->phy_err_drop);
	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
			 "MPDU errors (FCS, MIC, ENC)", fw_stats->mpdu_errs);

	len += scnprintf(buf + len, buf_len - len, "\n");
B
Ben Greear 已提交
529 530
	len += scnprintf(buf + len, buf_len - len, "%30s (%d)\n",
			 "ath10k PEER stats", fw_stats->peers);
531 532 533 534 535 536 537 538 539 540 541 542
	len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
				 "=================");

	for (i = 0; i < fw_stats->peers; i++) {
		len += scnprintf(buf + len, buf_len - len, "%30s %pM\n",
				 "Peer MAC address",
				 fw_stats->peer_stat[i].peer_macaddr);
		len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
				 "Peer RSSI", fw_stats->peer_stat[i].peer_rssi);
		len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
				 "Peer TX rate",
				 fw_stats->peer_stat[i].peer_tx_rate);
B
Ben Greear 已提交
543 544 545
		len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
				 "Peer RX rate",
				 fw_stats->peer_stat[i].peer_rx_rate);
546 547
		len += scnprintf(buf + len, buf_len - len, "\n");
	}
548
	spin_unlock_bh(&ar->data_lock);
549 550 551 552 553 554

	if (len > buf_len)
		len = buf_len;

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

555
exit:
556 557 558 559 560 561 562 563 564 565 566 567
	mutex_unlock(&ar->conf_mutex);
	kfree(buf);
	return ret_cnt;
}

static const struct file_operations fops_fw_stats = {
	.read = ath10k_read_fw_stats,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587
/* This is a clean assert crash in firmware. */
static int ath10k_debug_fw_assert(struct ath10k *ar)
{
	struct wmi_vdev_install_key_cmd *cmd;
	struct sk_buff *skb;

	skb = ath10k_wmi_alloc_skb(ar, sizeof(*cmd) + 16);
	if (!skb)
		return -ENOMEM;

	cmd = (struct wmi_vdev_install_key_cmd *)skb->data;
	memset(cmd, 0, sizeof(*cmd));

	/* big enough number so that firmware asserts */
	cmd->vdev_id = __cpu_to_le32(0x7ffe);

	return ath10k_wmi_cmd_send(ar, skb,
				   ar->wmi.cmd->vdev_install_key_cmdid);
}

588 589 590 591
static ssize_t ath10k_read_simulate_fw_crash(struct file *file,
					     char __user *user_buf,
					     size_t count, loff_t *ppos)
{
592 593 594 595 596
	const char buf[] =
		"To simulate firmware crash write one of the keywords to this file:\n"
		"`soft` - this will send WMI_FORCE_FW_HANG_ASSERT to firmware if FW supports that command.\n"
		"`hard` - this will send to firmware command with illegal parameters causing firmware crash.\n"
		"`assert` - this will send special illegal parameter to firmware to cause assert failure and crash.\n";
597

598 599 600
	return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
}

601 602 603 604 605 606 607
/* Simulate firmware crash:
 * 'soft': Call wmi command causing firmware hang. This firmware hang is
 * recoverable by warm firmware reset.
 * 'hard': Force firmware crash by setting any vdev parameter for not allowed
 * vdev id. This is hard firmware crash because it is recoverable only by cold
 * firmware reset.
 */
608 609 610 611 612
static ssize_t ath10k_write_simulate_fw_crash(struct file *file,
					      const char __user *user_buf,
					      size_t count, loff_t *ppos)
{
	struct ath10k *ar = file->private_data;
613
	char buf[32];
614 615 616 617 618
	int ret;

	mutex_lock(&ar->conf_mutex);

	simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
619 620 621

	/* make sure that buf is null terminated */
	buf[sizeof(buf) - 1] = 0;
622 623 624 625 626 627 628

	if (ar->state != ATH10K_STATE_ON &&
	    ar->state != ATH10K_STATE_RESTARTED) {
		ret = -ENETDOWN;
		goto exit;
	}

629 630 631 632 633 634 635
	/* drop the possible '\n' from the end */
	if (buf[count - 1] == '\n') {
		buf[count - 1] = 0;
		count--;
	}

	if (!strcmp(buf, "soft")) {
636
		ath10k_info(ar, "simulating soft firmware crash\n");
637 638
		ret = ath10k_wmi_force_fw_hang(ar, WMI_FORCE_FW_HANG_ASSERT, 0);
	} else if (!strcmp(buf, "hard")) {
639
		ath10k_info(ar, "simulating hard firmware crash\n");
640 641 642 643
		/* 0x7fff is vdev id, and it is always out of range for all
		 * firmware variants in order to force a firmware crash.
		 */
		ret = ath10k_wmi_vdev_set_param(ar, 0x7fff,
644 645
						ar->wmi.vdev_param->rts_threshold,
						0);
646 647 648
	} else if (!strcmp(buf, "assert")) {
		ath10k_info(ar, "simulating firmware assert crash\n");
		ret = ath10k_debug_fw_assert(ar);
649 650 651 652
	} else {
		ret = -EINVAL;
		goto exit;
	}
653

654
	if (ret) {
655
		ath10k_warn(ar, "failed to simulate firmware crash: %d\n", ret);
656 657
		goto exit;
	}
658

659
	ret = count;
660 661 662 663 664 665 666 667 668 669 670 671 672 673

exit:
	mutex_unlock(&ar->conf_mutex);
	return ret;
}

static const struct file_operations fops_simulate_fw_crash = {
	.read = ath10k_read_simulate_fw_crash,
	.write = ath10k_write_simulate_fw_crash,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

K
Kalle Valo 已提交
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static ssize_t ath10k_read_chip_id(struct file *file, char __user *user_buf,
				   size_t count, loff_t *ppos)
{
	struct ath10k *ar = file->private_data;
	unsigned int len;
	char buf[50];

	len = scnprintf(buf, sizeof(buf), "0x%08x\n", ar->chip_id);

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

static const struct file_operations fops_chip_id = {
	.read = ath10k_read_chip_id,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824
struct ath10k_fw_crash_data *
ath10k_debug_get_new_fw_crash_data(struct ath10k *ar)
{
	struct ath10k_fw_crash_data *crash_data = ar->debug.fw_crash_data;

	lockdep_assert_held(&ar->data_lock);

	crash_data->crashed_since_read = true;
	uuid_le_gen(&crash_data->uuid);
	getnstimeofday(&crash_data->timestamp);

	return crash_data;
}
EXPORT_SYMBOL(ath10k_debug_get_new_fw_crash_data);

static struct ath10k_dump_file_data *ath10k_build_dump_file(struct ath10k *ar)
{
	struct ath10k_fw_crash_data *crash_data = ar->debug.fw_crash_data;
	struct ath10k_dump_file_data *dump_data;
	struct ath10k_tlv_dump_data *dump_tlv;
	int hdr_len = sizeof(*dump_data);
	unsigned int len, sofar = 0;
	unsigned char *buf;

	len = hdr_len;
	len += sizeof(*dump_tlv) + sizeof(crash_data->registers);

	sofar += hdr_len;

	/* This is going to get big when we start dumping FW RAM and such,
	 * so go ahead and use vmalloc.
	 */
	buf = vzalloc(len);
	if (!buf)
		return NULL;

	spin_lock_bh(&ar->data_lock);

	if (!crash_data->crashed_since_read) {
		spin_unlock_bh(&ar->data_lock);
		vfree(buf);
		return NULL;
	}

	dump_data = (struct ath10k_dump_file_data *)(buf);
	strlcpy(dump_data->df_magic, "ATH10K-FW-DUMP",
		sizeof(dump_data->df_magic));
	dump_data->len = cpu_to_le32(len);

	dump_data->version = cpu_to_le32(ATH10K_FW_CRASH_DUMP_VERSION);

	memcpy(dump_data->uuid, &crash_data->uuid, sizeof(dump_data->uuid));
	dump_data->chip_id = cpu_to_le32(ar->chip_id);
	dump_data->bus_type = cpu_to_le32(0);
	dump_data->target_version = cpu_to_le32(ar->target_version);
	dump_data->fw_version_major = cpu_to_le32(ar->fw_version_major);
	dump_data->fw_version_minor = cpu_to_le32(ar->fw_version_minor);
	dump_data->fw_version_release = cpu_to_le32(ar->fw_version_release);
	dump_data->fw_version_build = cpu_to_le32(ar->fw_version_build);
	dump_data->phy_capability = cpu_to_le32(ar->phy_capability);
	dump_data->hw_min_tx_power = cpu_to_le32(ar->hw_min_tx_power);
	dump_data->hw_max_tx_power = cpu_to_le32(ar->hw_max_tx_power);
	dump_data->ht_cap_info = cpu_to_le32(ar->ht_cap_info);
	dump_data->vht_cap_info = cpu_to_le32(ar->vht_cap_info);
	dump_data->num_rf_chains = cpu_to_le32(ar->num_rf_chains);

	strlcpy(dump_data->fw_ver, ar->hw->wiphy->fw_version,
		sizeof(dump_data->fw_ver));

	dump_data->kernel_ver_code = cpu_to_le32(LINUX_VERSION_CODE);
	strlcpy(dump_data->kernel_ver, VERMAGIC_STRING,
		sizeof(dump_data->kernel_ver));

	dump_data->tv_sec = cpu_to_le64(crash_data->timestamp.tv_sec);
	dump_data->tv_nsec = cpu_to_le64(crash_data->timestamp.tv_nsec);

	/* Gather crash-dump */
	dump_tlv = (struct ath10k_tlv_dump_data *)(buf + sofar);
	dump_tlv->type = cpu_to_le32(ATH10K_FW_CRASH_DUMP_REGISTERS);
	dump_tlv->tlv_len = cpu_to_le32(sizeof(crash_data->registers));
	memcpy(dump_tlv->tlv_data, &crash_data->registers,
	       sizeof(crash_data->registers));
	sofar += sizeof(*dump_tlv) + sizeof(crash_data->registers);

	ar->debug.fw_crash_data->crashed_since_read = false;

	spin_unlock_bh(&ar->data_lock);

	return dump_data;
}

static int ath10k_fw_crash_dump_open(struct inode *inode, struct file *file)
{
	struct ath10k *ar = inode->i_private;
	struct ath10k_dump_file_data *dump;

	dump = ath10k_build_dump_file(ar);
	if (!dump)
		return -ENODATA;

	file->private_data = dump;

	return 0;
}

static ssize_t ath10k_fw_crash_dump_read(struct file *file,
					 char __user *user_buf,
					 size_t count, loff_t *ppos)
{
	struct ath10k_dump_file_data *dump_file = file->private_data;

	return simple_read_from_buffer(user_buf, count, ppos,
				       dump_file,
				       le32_to_cpu(dump_file->len));
}

static int ath10k_fw_crash_dump_release(struct inode *inode,
					struct file *file)
{
	vfree(file->private_data);

	return 0;
}

static const struct file_operations fops_fw_crash_dump = {
	.open = ath10k_fw_crash_dump_open,
	.read = ath10k_fw_crash_dump_read,
	.release = ath10k_fw_crash_dump_release,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843
static int ath10k_debug_htt_stats_req(struct ath10k *ar)
{
	u64 cookie;
	int ret;

	lockdep_assert_held(&ar->conf_mutex);

	if (ar->debug.htt_stats_mask == 0)
		/* htt stats are disabled */
		return 0;

	if (ar->state != ATH10K_STATE_ON)
		return 0;

	cookie = get_jiffies_64();

	ret = ath10k_htt_h2t_stats_req(&ar->htt, ar->debug.htt_stats_mask,
				       cookie);
	if (ret) {
844
		ath10k_warn(ar, "failed to send htt stats request: %d\n", ret);
845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866
		return ret;
	}

	queue_delayed_work(ar->workqueue, &ar->debug.htt_stats_dwork,
			   msecs_to_jiffies(ATH10K_DEBUG_HTT_STATS_INTERVAL));

	return 0;
}

static void ath10k_debug_htt_stats_dwork(struct work_struct *work)
{
	struct ath10k *ar = container_of(work, struct ath10k,
					 debug.htt_stats_dwork.work);

	mutex_lock(&ar->conf_mutex);

	ath10k_debug_htt_stats_req(ar);

	mutex_unlock(&ar->conf_mutex);
}

static ssize_t ath10k_read_htt_stats_mask(struct file *file,
867 868
					  char __user *user_buf,
					  size_t count, loff_t *ppos)
869 870 871 872 873 874 875 876 877 878 879
{
	struct ath10k *ar = file->private_data;
	char buf[32];
	unsigned int len;

	len = scnprintf(buf, sizeof(buf), "%lu\n", ar->debug.htt_stats_mask);

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

static ssize_t ath10k_write_htt_stats_mask(struct file *file,
880 881
					   const char __user *user_buf,
					   size_t count, loff_t *ppos)
882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918
{
	struct ath10k *ar = file->private_data;
	unsigned long mask;
	int ret;

	ret = kstrtoul_from_user(user_buf, count, 0, &mask);
	if (ret)
		return ret;

	/* max 8 bit masks (for now) */
	if (mask > 0xff)
		return -E2BIG;

	mutex_lock(&ar->conf_mutex);

	ar->debug.htt_stats_mask = mask;

	ret = ath10k_debug_htt_stats_req(ar);
	if (ret)
		goto out;

	ret = count;

out:
	mutex_unlock(&ar->conf_mutex);

	return ret;
}

static const struct file_operations fops_htt_stats_mask = {
	.read = ath10k_read_htt_stats_mask,
	.write = ath10k_write_htt_stats_mask,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984
static ssize_t ath10k_read_htt_max_amsdu_ampdu(struct file *file,
					       char __user *user_buf,
					       size_t count, loff_t *ppos)
{
	struct ath10k *ar = file->private_data;
	char buf[64];
	u8 amsdu = 3, ampdu = 64;
	unsigned int len;

	mutex_lock(&ar->conf_mutex);

	if (ar->debug.htt_max_amsdu)
		amsdu = ar->debug.htt_max_amsdu;

	if (ar->debug.htt_max_ampdu)
		ampdu = ar->debug.htt_max_ampdu;

	mutex_unlock(&ar->conf_mutex);

	len = scnprintf(buf, sizeof(buf), "%u %u\n", amsdu, ampdu);

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

static ssize_t ath10k_write_htt_max_amsdu_ampdu(struct file *file,
						const char __user *user_buf,
						size_t count, loff_t *ppos)
{
	struct ath10k *ar = file->private_data;
	int res;
	char buf[64];
	unsigned int amsdu, ampdu;

	simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);

	/* make sure that buf is null terminated */
	buf[sizeof(buf) - 1] = 0;

	res = sscanf(buf, "%u %u", &amsdu, &ampdu);

	if (res != 2)
		return -EINVAL;

	mutex_lock(&ar->conf_mutex);

	res = ath10k_htt_h2t_aggr_cfg_msg(&ar->htt, ampdu, amsdu);
	if (res)
		goto out;

	res = count;
	ar->debug.htt_max_amsdu = amsdu;
	ar->debug.htt_max_ampdu = ampdu;

out:
	mutex_unlock(&ar->conf_mutex);
	return res;
}

static const struct file_operations fops_htt_max_amsdu_ampdu = {
	.read = ath10k_read_htt_max_amsdu_ampdu,
	.write = ath10k_write_htt_max_amsdu_ampdu,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

985
static ssize_t ath10k_read_fw_dbglog(struct file *file,
986 987
				     char __user *user_buf,
				     size_t count, loff_t *ppos)
988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017
{
	struct ath10k *ar = file->private_data;
	unsigned int len;
	char buf[32];

	len = scnprintf(buf, sizeof(buf), "0x%08x\n",
			ar->debug.fw_dbglog_mask);

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

static ssize_t ath10k_write_fw_dbglog(struct file *file,
				      const char __user *user_buf,
				      size_t count, loff_t *ppos)
{
	struct ath10k *ar = file->private_data;
	unsigned long mask;
	int ret;

	ret = kstrtoul_from_user(user_buf, count, 0, &mask);
	if (ret)
		return ret;

	mutex_lock(&ar->conf_mutex);

	ar->debug.fw_dbglog_mask = mask;

	if (ar->state == ATH10K_STATE_ON) {
		ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask);
		if (ret) {
1018
			ath10k_warn(ar, "dbglog cfg failed from debugfs: %d\n",
1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039
				    ret);
			goto exit;
		}
	}

	ret = count;

exit:
	mutex_unlock(&ar->conf_mutex);

	return ret;
}

static const struct file_operations fops_fw_dbglog = {
	.read = ath10k_read_fw_dbglog,
	.write = ath10k_write_fw_dbglog,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

1040 1041
int ath10k_debug_start(struct ath10k *ar)
{
1042 1043
	int ret;

1044 1045
	lockdep_assert_held(&ar->conf_mutex);

1046 1047 1048
	ret = ath10k_debug_htt_stats_req(ar);
	if (ret)
		/* continue normally anyway, this isn't serious */
1049 1050
		ath10k_warn(ar, "failed to start htt stats workqueue: %d\n",
			    ret);
1051

1052 1053 1054 1055
	if (ar->debug.fw_dbglog_mask) {
		ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask);
		if (ret)
			/* not serious */
1056
			ath10k_warn(ar, "failed to enable dbglog during start: %d",
1057 1058 1059
				    ret);
	}

1060 1061 1062 1063 1064
	return 0;
}

void ath10k_debug_stop(struct ath10k *ar)
{
1065 1066 1067 1068 1069 1070 1071
	lockdep_assert_held(&ar->conf_mutex);

	/* Must not use _sync to avoid deadlock, we do that in
	 * ath10k_debug_destroy(). The check for htt_stats_mask is to avoid
	 * warning from del_timer(). */
	if (ar->debug.htt_stats_mask != 0)
		cancel_delayed_work(&ar->debug.htt_stats_dwork);
1072 1073 1074

	ar->debug.htt_max_amsdu = 0;
	ar->debug.htt_max_ampdu = 0;
1075 1076
}

J
Janusz Dziedzic 已提交
1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156
static ssize_t ath10k_write_simulate_radar(struct file *file,
					   const char __user *user_buf,
					   size_t count, loff_t *ppos)
{
	struct ath10k *ar = file->private_data;

	ieee80211_radar_detected(ar->hw);

	return count;
}

static const struct file_operations fops_simulate_radar = {
	.write = ath10k_write_simulate_radar,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

#define ATH10K_DFS_STAT(s, p) (\
	len += scnprintf(buf + len, size - len, "%-28s : %10u\n", s, \
			 ar->debug.dfs_stats.p))

#define ATH10K_DFS_POOL_STAT(s, p) (\
	len += scnprintf(buf + len, size - len, "%-28s : %10u\n", s, \
			 ar->debug.dfs_pool_stats.p))

static ssize_t ath10k_read_dfs_stats(struct file *file, char __user *user_buf,
				     size_t count, loff_t *ppos)
{
	int retval = 0, len = 0;
	const int size = 8000;
	struct ath10k *ar = file->private_data;
	char *buf;

	buf = kzalloc(size, GFP_KERNEL);
	if (buf == NULL)
		return -ENOMEM;

	if (!ar->dfs_detector) {
		len += scnprintf(buf + len, size - len, "DFS not enabled\n");
		goto exit;
	}

	ar->debug.dfs_pool_stats =
			ar->dfs_detector->get_stats(ar->dfs_detector);

	len += scnprintf(buf + len, size - len, "Pulse detector statistics:\n");

	ATH10K_DFS_STAT("reported phy errors", phy_errors);
	ATH10K_DFS_STAT("pulse events reported", pulses_total);
	ATH10K_DFS_STAT("DFS pulses detected", pulses_detected);
	ATH10K_DFS_STAT("DFS pulses discarded", pulses_discarded);
	ATH10K_DFS_STAT("Radars detected", radar_detected);

	len += scnprintf(buf + len, size - len, "Global Pool statistics:\n");
	ATH10K_DFS_POOL_STAT("Pool references", pool_reference);
	ATH10K_DFS_POOL_STAT("Pulses allocated", pulse_allocated);
	ATH10K_DFS_POOL_STAT("Pulses alloc error", pulse_alloc_error);
	ATH10K_DFS_POOL_STAT("Pulses in use", pulse_used);
	ATH10K_DFS_POOL_STAT("Seqs. allocated", pseq_allocated);
	ATH10K_DFS_POOL_STAT("Seqs. alloc error", pseq_alloc_error);
	ATH10K_DFS_POOL_STAT("Seqs. in use", pseq_used);

exit:
	if (len > size)
		len = size;

	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
	kfree(buf);

	return retval;
}

static const struct file_operations fops_dfs_stats = {
	.read = ath10k_read_dfs_stats,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

1157 1158
int ath10k_debug_create(struct ath10k *ar)
{
1159
	ar->debug.fw_crash_data = vzalloc(sizeof(*ar->debug.fw_crash_data));
1160 1161
	if (!ar->debug.fw_crash_data)
		return -ENOMEM;
1162

1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173
	return 0;
}

void ath10k_debug_destroy(struct ath10k *ar)
{
	vfree(ar->debug.fw_crash_data);
	ar->debug.fw_crash_data = NULL;
}

int ath10k_debug_register(struct ath10k *ar)
{
1174 1175
	ar->debug.debugfs_phy = debugfs_create_dir("ath10k",
						   ar->hw->wiphy->debugfsdir);
1176 1177 1178
	if (IS_ERR_OR_NULL(ar->debug.debugfs_phy)) {
		if (IS_ERR(ar->debug.debugfs_phy))
			return PTR_ERR(ar->debug.debugfs_phy);
1179 1180

		return -ENOMEM;
1181
	}
1182

1183 1184 1185
	INIT_DELAYED_WORK(&ar->debug.htt_stats_dwork,
			  ath10k_debug_htt_stats_dwork);

1186 1187 1188 1189 1190 1191 1192 1193
	init_completion(&ar->debug.event_stats_compl);

	debugfs_create_file("fw_stats", S_IRUSR, ar->debug.debugfs_phy, ar,
			    &fops_fw_stats);

	debugfs_create_file("wmi_services", S_IRUSR, ar->debug.debugfs_phy, ar,
			    &fops_wmi_services);

1194 1195 1196
	debugfs_create_file("simulate_fw_crash", S_IRUSR, ar->debug.debugfs_phy,
			    ar, &fops_simulate_fw_crash);

1197 1198 1199
	debugfs_create_file("fw_crash_dump", S_IRUSR, ar->debug.debugfs_phy,
			    ar, &fops_fw_crash_dump);

K
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1200 1201 1202
	debugfs_create_file("chip_id", S_IRUSR, ar->debug.debugfs_phy,
			    ar, &fops_chip_id);

1203 1204 1205
	debugfs_create_file("htt_stats_mask", S_IRUSR, ar->debug.debugfs_phy,
			    ar, &fops_htt_stats_mask);

1206 1207 1208 1209
	debugfs_create_file("htt_max_amsdu_ampdu", S_IRUSR | S_IWUSR,
			    ar->debug.debugfs_phy, ar,
			    &fops_htt_max_amsdu_ampdu);

1210 1211 1212
	debugfs_create_file("fw_dbglog", S_IRUSR, ar->debug.debugfs_phy,
			    ar, &fops_fw_dbglog);

J
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1213 1214 1215 1216 1217
	if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED)) {
		debugfs_create_file("dfs_simulate_radar", S_IWUSR,
				    ar->debug.debugfs_phy, ar,
				    &fops_simulate_radar);

1218 1219 1220 1221
		debugfs_create_bool("dfs_block_radar_events", S_IWUSR,
				    ar->debug.debugfs_phy,
				    &ar->dfs_block_radar_events);

J
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		debugfs_create_file("dfs_stats", S_IRUSR,
				    ar->debug.debugfs_phy, ar,
				    &fops_dfs_stats);
	}

1227 1228
	return 0;
}
1229

1230
void ath10k_debug_unregister(struct ath10k *ar)
1231 1232 1233 1234
{
	cancel_delayed_work_sync(&ar->debug.htt_stats_dwork);
}

1235 1236 1237
#endif /* CONFIG_ATH10K_DEBUGFS */

#ifdef CONFIG_ATH10K_DEBUG
1238 1239
void ath10k_dbg(struct ath10k *ar, enum ath10k_debug_mask mask,
		const char *fmt, ...)
1240 1241 1242 1243 1244 1245 1246 1247 1248 1249
{
	struct va_format vaf;
	va_list args;

	va_start(args, fmt);

	vaf.fmt = fmt;
	vaf.va = &args;

	if (ath10k_debug_mask & mask)
1250
		dev_printk(KERN_DEBUG, ar->dev, "%pV", &vaf);
1251

1252
	trace_ath10k_log_dbg(ar, mask, &vaf);
1253 1254 1255 1256 1257

	va_end(args);
}
EXPORT_SYMBOL(ath10k_dbg);

1258 1259
void ath10k_dbg_dump(struct ath10k *ar,
		     enum ath10k_debug_mask mask,
1260 1261 1262 1263 1264
		     const char *msg, const char *prefix,
		     const void *buf, size_t len)
{
	if (ath10k_debug_mask & mask) {
		if (msg)
1265
			ath10k_dbg(ar, mask, "%s\n", msg);
1266 1267 1268 1269 1270

		print_hex_dump_bytes(prefix, DUMP_PREFIX_OFFSET, buf, len);
	}

	/* tracing code doesn't like null strings :/ */
1271
	trace_ath10k_log_dbg_dump(ar, msg ? msg : "", prefix ? prefix : "",
1272 1273 1274 1275 1276
				  buf, len);
}
EXPORT_SYMBOL(ath10k_dbg_dump);

#endif /* CONFIG_ATH10K_DEBUG */