debug.c 54.0 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/vmalloc.h>
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#include <linux/utsname.h>
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#include "core.h"
#include "debug.h"
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#include "hif.h"
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#include "wmi-ops.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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void ath10k_info(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_info(ar->dev, "%pV", &vaf);
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	trace_ath10k_log_info(ar, &vaf);
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	va_end(args);
}
EXPORT_SYMBOL(ath10k_info);

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void ath10k_print_driver_info(struct ath10k *ar)
{
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	char fw_features[128] = {};
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	char boardinfo[100];
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	ath10k_core_get_fw_features_str(ar, fw_features, sizeof(fw_features));

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	if (ar->id.bmi_ids_valid)
		scnprintf(boardinfo, sizeof(boardinfo), "bmi %d:%d",
			  ar->id.bmi_chip_id, ar->id.bmi_board_id);
	else
		scnprintf(boardinfo, sizeof(boardinfo), "sub %04x:%04x",
			  ar->id.subsystem_vendor, ar->id.subsystem_device);
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	ath10k_info(ar, "%s (0x%08x, 0x%08x %s) fw %s fwapi %d bdapi %d htt-ver %d.%d wmi-op %d htt-op %d cal %s max-sta %d raw %d hwcrypto %d features %s\n",
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		    ar->hw_params.name,
		    ar->target_version,
		    ar->chip_id,
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		    boardinfo,
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		    ar->hw->wiphy->fw_version,
		    ar->fw_api,
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		    ar->bd_api,
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		    ar->htt.target_version_major,
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		    ar->htt.target_version_minor,
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		    ar->wmi.op_version,
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		    ar->htt.op_version,
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		    ath10k_cal_mode_str(ar->cal_mode),
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		    ar->max_num_stations,
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		    test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags),
		    !test_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags),
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		    fw_features);
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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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void ath10k_err(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_err(ar->dev, "%pV", &vaf);
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	trace_ath10k_log_err(ar, &vaf);
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	va_end(args);
}
EXPORT_SYMBOL(ath10k_err);

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void 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);
}
EXPORT_SYMBOL(ath10k_warn);

#ifdef CONFIG_ATH10K_DEBUGFS

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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	spin_lock_bh(&ar->data_lock);
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	for (i = 0; i < WMI_SERVICE_MAX; i++) {
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		enabled = test_bit(i, ar->wmi.svc_map);
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		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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	}
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	spin_unlock_bh(&ar->data_lock);
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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,
};

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static void ath10k_debug_fw_stats_pdevs_free(struct list_head *head)
{
	struct ath10k_fw_stats_pdev *i, *tmp;

	list_for_each_entry_safe(i, tmp, head, list) {
		list_del(&i->list);
		kfree(i);
	}
}

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static void ath10k_debug_fw_stats_vdevs_free(struct list_head *head)
{
	struct ath10k_fw_stats_vdev *i, *tmp;

	list_for_each_entry_safe(i, tmp, head, list) {
		list_del(&i->list);
		kfree(i);
	}
}

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static void ath10k_debug_fw_stats_peers_free(struct list_head *head)
{
	struct ath10k_fw_stats_peer *i, *tmp;

	list_for_each_entry_safe(i, tmp, head, list) {
		list_del(&i->list);
		kfree(i);
	}
}

static void ath10k_debug_fw_stats_reset(struct ath10k *ar)
{
	spin_lock_bh(&ar->data_lock);
	ar->debug.fw_stats_done = false;
	ath10k_debug_fw_stats_pdevs_free(&ar->debug.fw_stats.pdevs);
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	ath10k_debug_fw_stats_vdevs_free(&ar->debug.fw_stats.vdevs);
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	ath10k_debug_fw_stats_peers_free(&ar->debug.fw_stats.peers);
	spin_unlock_bh(&ar->data_lock);
}

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void ath10k_debug_fw_stats_process(struct ath10k *ar, struct sk_buff *skb)
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{
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	struct ath10k_fw_stats stats = {};
	bool is_start, is_started, is_end;
	size_t num_peers;
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	size_t num_vdevs;
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	int ret;
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	INIT_LIST_HEAD(&stats.pdevs);
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	INIT_LIST_HEAD(&stats.vdevs);
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	INIT_LIST_HEAD(&stats.peers);
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	spin_lock_bh(&ar->data_lock);
	ret = ath10k_wmi_pull_fw_stats(ar, skb, &stats);
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	if (ret) {
		ath10k_warn(ar, "failed to pull fw stats: %d\n", ret);
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		goto free;
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	}

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	/* Stat data may exceed htc-wmi buffer limit. In such case firmware
	 * splits the stats data and delivers it in a ping-pong fashion of
	 * request cmd-update event.
	 *
	 * However there is no explicit end-of-data. Instead start-of-data is
	 * used as an implicit one. This works as follows:
	 *  a) discard stat update events until one with pdev stats is
	 *     delivered - this skips session started at end of (b)
	 *  b) consume stat update events until another one with pdev stats is
	 *     delivered which is treated as end-of-data and is itself discarded
	 */

	if (ar->debug.fw_stats_done) {
		ath10k_warn(ar, "received unsolicited stats update event\n");
		goto free;
	}

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	num_peers = ath10k_wmi_fw_stats_num_peers(&ar->debug.fw_stats.peers);
	num_vdevs = ath10k_wmi_fw_stats_num_vdevs(&ar->debug.fw_stats.vdevs);
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	is_start = (list_empty(&ar->debug.fw_stats.pdevs) &&
		    !list_empty(&stats.pdevs));
	is_end = (!list_empty(&ar->debug.fw_stats.pdevs) &&
		  !list_empty(&stats.pdevs));

	if (is_start)
		list_splice_tail_init(&stats.pdevs, &ar->debug.fw_stats.pdevs);

	if (is_end)
		ar->debug.fw_stats_done = true;

	is_started = !list_empty(&ar->debug.fw_stats.pdevs);

	if (is_started && !is_end) {
		if (num_peers >= ATH10K_MAX_NUM_PEER_IDS) {
			/* Although this is unlikely impose a sane limit to
			 * prevent firmware from DoS-ing the host.
			 */
			ath10k_warn(ar, "dropping fw peer stats\n");
			goto free;
		}

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		if (num_vdevs >= BITS_PER_LONG) {
			ath10k_warn(ar, "dropping fw vdev stats\n");
			goto free;
		}

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		list_splice_tail_init(&stats.peers, &ar->debug.fw_stats.peers);
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		list_splice_tail_init(&stats.vdevs, &ar->debug.fw_stats.vdevs);
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	}

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	complete(&ar->debug.fw_stats_complete);
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free:
	/* In some cases lists have been spliced and cleared. Free up
	 * resources if that is not the case.
	 */
	ath10k_debug_fw_stats_pdevs_free(&stats.pdevs);
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	ath10k_debug_fw_stats_vdevs_free(&stats.vdevs);
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	ath10k_debug_fw_stats_peers_free(&stats.peers);

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	spin_unlock_bh(&ar->data_lock);
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}

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static int ath10k_debug_fw_stats_request(struct ath10k *ar)
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{
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	unsigned long timeout, time_left;
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	int ret;

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	lockdep_assert_held(&ar->conf_mutex);
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	timeout = jiffies + msecs_to_jiffies(1 * HZ);
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	ath10k_debug_fw_stats_reset(ar);

	for (;;) {
		if (time_after(jiffies, timeout))
			return -ETIMEDOUT;

		reinit_completion(&ar->debug.fw_stats_complete);

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		ret = ath10k_wmi_request_stats(ar, ar->fw_stats_req_mask);
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		if (ret) {
			ath10k_warn(ar, "could not request stats (%d)\n", ret);
			return ret;
		}
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		time_left =
		wait_for_completion_timeout(&ar->debug.fw_stats_complete,
					    1 * HZ);
		if (!time_left)
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			return -ETIMEDOUT;

		spin_lock_bh(&ar->data_lock);
		if (ar->debug.fw_stats_done) {
			spin_unlock_bh(&ar->data_lock);
			break;
		}
		spin_unlock_bh(&ar->data_lock);
	}
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	return 0;
}

static int ath10k_fw_stats_open(struct inode *inode, struct file *file)
{
	struct ath10k *ar = inode->i_private;
	void *buf = NULL;
	int ret;

	mutex_lock(&ar->conf_mutex);

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

	buf = vmalloc(ATH10K_FW_STATS_BUF_SIZE);
	if (!buf) {
		ret = -ENOMEM;
		goto err_unlock;
	}

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	ret = ath10k_debug_fw_stats_request(ar);
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	if (ret) {
		ath10k_warn(ar, "failed to request fw stats: %d\n", ret);
		goto err_free;
	}

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	ret = ath10k_wmi_fw_stats_fill(ar, &ar->debug.fw_stats, buf);
	if (ret) {
		ath10k_warn(ar, "failed to fill fw stats: %d\n", ret);
		goto err_free;
	}

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	file->private_data = buf;
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	mutex_unlock(&ar->conf_mutex);
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	return 0;

err_free:
	vfree(buf);

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

static int ath10k_fw_stats_release(struct inode *inode, struct file *file)
{
	vfree(file->private_data);

	return 0;
}

static ssize_t ath10k_fw_stats_read(struct file *file, char __user *user_buf,
				    size_t count, loff_t *ppos)
{
	const char *buf = file->private_data;
	unsigned int len = strlen(buf);

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

static const struct file_operations fops_fw_stats = {
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	.open = ath10k_fw_stats_open,
	.release = ath10k_fw_stats_release,
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	.read = ath10k_fw_stats_read,
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	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

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static ssize_t ath10k_debug_fw_reset_stats_read(struct file *file,
						char __user *user_buf,
						size_t count, loff_t *ppos)
{
	struct ath10k *ar = file->private_data;
	int ret, len, buf_len;
	char *buf;

	buf_len = 500;
	buf = kmalloc(buf_len, GFP_KERNEL);
	if (!buf)
		return -ENOMEM;

	spin_lock_bh(&ar->data_lock);

	len = 0;
	len += scnprintf(buf + len, buf_len - len,
			 "fw_crash_counter\t\t%d\n", ar->stats.fw_crash_counter);
	len += scnprintf(buf + len, buf_len - len,
			 "fw_warm_reset_counter\t\t%d\n",
			 ar->stats.fw_warm_reset_counter);
	len += scnprintf(buf + len, buf_len - len,
			 "fw_cold_reset_counter\t\t%d\n",
			 ar->stats.fw_cold_reset_counter);

	spin_unlock_bh(&ar->data_lock);

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

	kfree(buf);

	return ret;
}

static const struct file_operations fops_fw_reset_stats = {
	.open = simple_open,
	.read = ath10k_debug_fw_reset_stats_read,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

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/* 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);
}

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static ssize_t ath10k_read_simulate_fw_crash(struct file *file,
					     char __user *user_buf,
					     size_t count, loff_t *ppos)
{
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	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"
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		"`assert` - this will send special illegal parameter to firmware to cause assert failure and crash.\n"
		"`hw-restart` - this will simply queue hw restart without fw/hw actually crashing.\n";
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	return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
}

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/* 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.
 */
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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;
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	char buf[32];
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	int ret;

	mutex_lock(&ar->conf_mutex);

	simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
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	/* make sure that buf is null terminated */
	buf[sizeof(buf) - 1] = 0;
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	if (ar->state != ATH10K_STATE_ON &&
	    ar->state != ATH10K_STATE_RESTARTED) {
		ret = -ENETDOWN;
		goto exit;
	}

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	/* drop the possible '\n' from the end */
	if (buf[count - 1] == '\n') {
		buf[count - 1] = 0;
		count--;
	}

	if (!strcmp(buf, "soft")) {
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		ath10k_info(ar, "simulating soft firmware crash\n");
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		ret = ath10k_wmi_force_fw_hang(ar, WMI_FORCE_FW_HANG_ASSERT, 0);
	} else if (!strcmp(buf, "hard")) {
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		ath10k_info(ar, "simulating hard firmware crash\n");
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		/* 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,
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						ar->wmi.vdev_param->rts_threshold,
						0);
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	} else if (!strcmp(buf, "assert")) {
		ath10k_info(ar, "simulating firmware assert crash\n");
		ret = ath10k_debug_fw_assert(ar);
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	} else if (!strcmp(buf, "hw-restart")) {
		ath10k_info(ar, "user requested hw restart\n");
		queue_work(ar->workqueue, &ar->restart_work);
		ret = 0;
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	} else {
		ret = -EINVAL;
		goto exit;
	}
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	if (ret) {
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		ath10k_warn(ar, "failed to simulate firmware crash: %d\n", ret);
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		goto exit;
	}
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	ret = count;
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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
636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654
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,
};

655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723
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));

J
Johannes Berg 已提交
724 725
	dump_data->kernel_ver_code = 0;
	strlcpy(dump_data->kernel_ver, init_utsname()->release,
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
		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,
};

787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905
static ssize_t ath10k_reg_addr_read(struct file *file,
				    char __user *user_buf,
				    size_t count, loff_t *ppos)
{
	struct ath10k *ar = file->private_data;
	u8 buf[32];
	unsigned int len = 0;
	u32 reg_addr;

	mutex_lock(&ar->conf_mutex);
	reg_addr = ar->debug.reg_addr;
	mutex_unlock(&ar->conf_mutex);

	len += scnprintf(buf + len, sizeof(buf) - len, "0x%x\n", reg_addr);

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

static ssize_t ath10k_reg_addr_write(struct file *file,
				     const char __user *user_buf,
				     size_t count, loff_t *ppos)
{
	struct ath10k *ar = file->private_data;
	u32 reg_addr;
	int ret;

	ret = kstrtou32_from_user(user_buf, count, 0, &reg_addr);
	if (ret)
		return ret;

	if (!IS_ALIGNED(reg_addr, 4))
		return -EFAULT;

	mutex_lock(&ar->conf_mutex);
	ar->debug.reg_addr = reg_addr;
	mutex_unlock(&ar->conf_mutex);

	return count;
}

static const struct file_operations fops_reg_addr = {
	.read = ath10k_reg_addr_read,
	.write = ath10k_reg_addr_write,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

static ssize_t ath10k_reg_value_read(struct file *file,
				     char __user *user_buf,
				     size_t count, loff_t *ppos)
{
	struct ath10k *ar = file->private_data;
	u8 buf[48];
	unsigned int len;
	u32 reg_addr, reg_val;
	int ret;

	mutex_lock(&ar->conf_mutex);

	if (ar->state != ATH10K_STATE_ON &&
	    ar->state != ATH10K_STATE_UTF) {
		ret = -ENETDOWN;
		goto exit;
	}

	reg_addr = ar->debug.reg_addr;

	reg_val = ath10k_hif_read32(ar, reg_addr);
	len = scnprintf(buf, sizeof(buf), "0x%08x:0x%08x\n", reg_addr, reg_val);

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

exit:
	mutex_unlock(&ar->conf_mutex);

	return ret;
}

static ssize_t ath10k_reg_value_write(struct file *file,
				      const char __user *user_buf,
				      size_t count, loff_t *ppos)
{
	struct ath10k *ar = file->private_data;
	u32 reg_addr, reg_val;
	int ret;

	mutex_lock(&ar->conf_mutex);

	if (ar->state != ATH10K_STATE_ON &&
	    ar->state != ATH10K_STATE_UTF) {
		ret = -ENETDOWN;
		goto exit;
	}

	reg_addr = ar->debug.reg_addr;

	ret = kstrtou32_from_user(user_buf, count, 0, &reg_val);
	if (ret)
		goto exit;

	ath10k_hif_write32(ar, reg_addr, reg_val);

	ret = count;

exit:
	mutex_unlock(&ar->conf_mutex);

	return ret;
}

static const struct file_operations fops_reg_value = {
	.read = ath10k_reg_value_read,
	.write = ath10k_reg_value_write,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016
static ssize_t ath10k_mem_value_read(struct file *file,
				     char __user *user_buf,
				     size_t count, loff_t *ppos)
{
	struct ath10k *ar = file->private_data;
	u8 *buf;
	int ret;

	if (*ppos < 0)
		return -EINVAL;

	if (!count)
		return 0;

	mutex_lock(&ar->conf_mutex);

	buf = vmalloc(count);
	if (!buf) {
		ret = -ENOMEM;
		goto exit;
	}

	if (ar->state != ATH10K_STATE_ON &&
	    ar->state != ATH10K_STATE_UTF) {
		ret = -ENETDOWN;
		goto exit;
	}

	ret = ath10k_hif_diag_read(ar, *ppos, buf, count);
	if (ret) {
		ath10k_warn(ar, "failed to read address 0x%08x via diagnose window fnrom debugfs: %d\n",
			    (u32)(*ppos), ret);
		goto exit;
	}

	ret = copy_to_user(user_buf, buf, count);
	if (ret) {
		ret = -EFAULT;
		goto exit;
	}

	count -= ret;
	*ppos += count;
	ret = count;

exit:
	vfree(buf);
	mutex_unlock(&ar->conf_mutex);

	return ret;
}

static ssize_t ath10k_mem_value_write(struct file *file,
				      const char __user *user_buf,
				      size_t count, loff_t *ppos)
{
	struct ath10k *ar = file->private_data;
	u8 *buf;
	int ret;

	if (*ppos < 0)
		return -EINVAL;

	if (!count)
		return 0;

	mutex_lock(&ar->conf_mutex);

	buf = vmalloc(count);
	if (!buf) {
		ret = -ENOMEM;
		goto exit;
	}

	if (ar->state != ATH10K_STATE_ON &&
	    ar->state != ATH10K_STATE_UTF) {
		ret = -ENETDOWN;
		goto exit;
	}

	ret = copy_from_user(buf, user_buf, count);
	if (ret) {
		ret = -EFAULT;
		goto exit;
	}

	ret = ath10k_hif_diag_write(ar, *ppos, buf, count);
	if (ret) {
		ath10k_warn(ar, "failed to write address 0x%08x via diagnose window from debugfs: %d\n",
			    (u32)(*ppos), ret);
		goto exit;
	}

	*ppos += count;
	ret = count;

exit:
	vfree(buf);
	mutex_unlock(&ar->conf_mutex);

	return ret;
}

static const struct file_operations fops_mem_value = {
	.read = ath10k_mem_value_read,
	.write = ath10k_mem_value_write,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035
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) {
1036
		ath10k_warn(ar, "failed to send htt stats request: %d\n", ret);
1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058
		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,
1059 1060
					  char __user *user_buf,
					  size_t count, loff_t *ppos)
1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071
{
	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,
1072 1073
					   const char __user *user_buf,
					   size_t count, loff_t *ppos)
1074 1075 1076 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
{
	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,
};

1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121
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);

1122 1123
	amsdu = ar->htt.max_num_amsdu;
	ampdu = ar->htt.max_num_ampdu;
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
	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;
1157 1158
	ar->htt.max_num_amsdu = amsdu;
	ar->htt.max_num_ampdu = ampdu;
1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172

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,
};

1173
static ssize_t ath10k_read_fw_dbglog(struct file *file,
1174 1175
				     char __user *user_buf,
				     size_t count, loff_t *ppos)
1176 1177 1178
{
	struct ath10k *ar = file->private_data;
	unsigned int len;
1179
	char buf[64];
1180

1181 1182
	len = scnprintf(buf, sizeof(buf), "0x%08x %u\n",
			ar->debug.fw_dbglog_mask, ar->debug.fw_dbglog_level);
1183 1184 1185 1186 1187 1188 1189 1190 1191 1192

	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;
	int ret;
1193 1194
	char buf[64];
	unsigned int log_level, mask;
1195

1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208
	simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);

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

	ret = sscanf(buf, "%x %u", &mask, &log_level);

	if (!ret)
		return -EINVAL;

	if (ret == 1)
		/* default if user did not specify */
		log_level = ATH10K_DBGLOG_LEVEL_WARN;
1209 1210 1211 1212

	mutex_lock(&ar->conf_mutex);

	ar->debug.fw_dbglog_mask = mask;
1213
	ar->debug.fw_dbglog_level = log_level;
1214 1215

	if (ar->state == ATH10K_STATE_ON) {
1216 1217
		ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask,
					    ar->debug.fw_dbglog_level);
1218
		if (ret) {
1219
			ath10k_warn(ar, "dbglog cfg failed from debugfs: %d\n",
1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232
				    ret);
			goto exit;
		}
	}

	ret = count;

exit:
	mutex_unlock(&ar->conf_mutex);

	return ret;
}

B
Ben Greear 已提交
1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392
/* TODO:  Would be nice to always support ethtool stats, would need to
 * move the stats storage out of ath10k_debug, or always have ath10k_debug
 * struct available..
 */

/* This generally cooresponds to the debugfs fw_stats file */
static const char ath10k_gstrings_stats[][ETH_GSTRING_LEN] = {
	"tx_pkts_nic",
	"tx_bytes_nic",
	"rx_pkts_nic",
	"rx_bytes_nic",
	"d_noise_floor",
	"d_cycle_count",
	"d_phy_error",
	"d_rts_bad",
	"d_rts_good",
	"d_tx_power", /* in .5 dbM I think */
	"d_rx_crc_err", /* fcs_bad */
	"d_no_beacon",
	"d_tx_mpdus_queued",
	"d_tx_msdu_queued",
	"d_tx_msdu_dropped",
	"d_local_enqued",
	"d_local_freed",
	"d_tx_ppdu_hw_queued",
	"d_tx_ppdu_reaped",
	"d_tx_fifo_underrun",
	"d_tx_ppdu_abort",
	"d_tx_mpdu_requed",
	"d_tx_excessive_retries",
	"d_tx_hw_rate",
	"d_tx_dropped_sw_retries",
	"d_tx_illegal_rate",
	"d_tx_continuous_xretries",
	"d_tx_timeout",
	"d_tx_mpdu_txop_limit",
	"d_pdev_resets",
	"d_rx_mid_ppdu_route_change",
	"d_rx_status",
	"d_rx_extra_frags_ring0",
	"d_rx_extra_frags_ring1",
	"d_rx_extra_frags_ring2",
	"d_rx_extra_frags_ring3",
	"d_rx_msdu_htt",
	"d_rx_mpdu_htt",
	"d_rx_msdu_stack",
	"d_rx_mpdu_stack",
	"d_rx_phy_err",
	"d_rx_phy_err_drops",
	"d_rx_mpdu_errors", /* FCS, MIC, ENC */
	"d_fw_crash_count",
	"d_fw_warm_reset_count",
	"d_fw_cold_reset_count",
};

#define ATH10K_SSTATS_LEN ARRAY_SIZE(ath10k_gstrings_stats)

void ath10k_debug_get_et_strings(struct ieee80211_hw *hw,
				 struct ieee80211_vif *vif,
				 u32 sset, u8 *data)
{
	if (sset == ETH_SS_STATS)
		memcpy(data, *ath10k_gstrings_stats,
		       sizeof(ath10k_gstrings_stats));
}

int ath10k_debug_get_et_sset_count(struct ieee80211_hw *hw,
				   struct ieee80211_vif *vif, int sset)
{
	if (sset == ETH_SS_STATS)
		return ATH10K_SSTATS_LEN;

	return 0;
}

void ath10k_debug_get_et_stats(struct ieee80211_hw *hw,
			       struct ieee80211_vif *vif,
			       struct ethtool_stats *stats, u64 *data)
{
	struct ath10k *ar = hw->priv;
	static const struct ath10k_fw_stats_pdev zero_stats = {};
	const struct ath10k_fw_stats_pdev *pdev_stats;
	int i = 0, ret;

	mutex_lock(&ar->conf_mutex);

	if (ar->state == ATH10K_STATE_ON) {
		ret = ath10k_debug_fw_stats_request(ar);
		if (ret) {
			/* just print a warning and try to use older results */
			ath10k_warn(ar,
				    "failed to get fw stats for ethtool: %d\n",
				    ret);
		}
	}

	pdev_stats = list_first_entry_or_null(&ar->debug.fw_stats.pdevs,
					      struct ath10k_fw_stats_pdev,
					      list);
	if (!pdev_stats) {
		/* no results available so just return zeroes */
		pdev_stats = &zero_stats;
	}

	spin_lock_bh(&ar->data_lock);

	data[i++] = pdev_stats->hw_reaped; /* ppdu reaped */
	data[i++] = 0; /* tx bytes */
	data[i++] = pdev_stats->htt_mpdus;
	data[i++] = 0; /* rx bytes */
	data[i++] = pdev_stats->ch_noise_floor;
	data[i++] = pdev_stats->cycle_count;
	data[i++] = pdev_stats->phy_err_count;
	data[i++] = pdev_stats->rts_bad;
	data[i++] = pdev_stats->rts_good;
	data[i++] = pdev_stats->chan_tx_power;
	data[i++] = pdev_stats->fcs_bad;
	data[i++] = pdev_stats->no_beacons;
	data[i++] = pdev_stats->mpdu_enqued;
	data[i++] = pdev_stats->msdu_enqued;
	data[i++] = pdev_stats->wmm_drop;
	data[i++] = pdev_stats->local_enqued;
	data[i++] = pdev_stats->local_freed;
	data[i++] = pdev_stats->hw_queued;
	data[i++] = pdev_stats->hw_reaped;
	data[i++] = pdev_stats->underrun;
	data[i++] = pdev_stats->tx_abort;
	data[i++] = pdev_stats->mpdus_requed;
	data[i++] = pdev_stats->tx_ko;
	data[i++] = pdev_stats->data_rc;
	data[i++] = pdev_stats->sw_retry_failure;
	data[i++] = pdev_stats->illgl_rate_phy_err;
	data[i++] = pdev_stats->pdev_cont_xretry;
	data[i++] = pdev_stats->pdev_tx_timeout;
	data[i++] = pdev_stats->txop_ovf;
	data[i++] = pdev_stats->pdev_resets;
	data[i++] = pdev_stats->mid_ppdu_route_change;
	data[i++] = pdev_stats->status_rcvd;
	data[i++] = pdev_stats->r0_frags;
	data[i++] = pdev_stats->r1_frags;
	data[i++] = pdev_stats->r2_frags;
	data[i++] = pdev_stats->r3_frags;
	data[i++] = pdev_stats->htt_msdus;
	data[i++] = pdev_stats->htt_mpdus;
	data[i++] = pdev_stats->loc_msdus;
	data[i++] = pdev_stats->loc_mpdus;
	data[i++] = pdev_stats->phy_errs;
	data[i++] = pdev_stats->phy_err_drop;
	data[i++] = pdev_stats->mpdu_errs;
	data[i++] = ar->stats.fw_crash_counter;
	data[i++] = ar->stats.fw_warm_reset_counter;
	data[i++] = ar->stats.fw_cold_reset_counter;

	spin_unlock_bh(&ar->data_lock);

	mutex_unlock(&ar->conf_mutex);

	WARN_ON(i != ATH10K_SSTATS_LEN);
}

1393 1394 1395 1396 1397 1398 1399 1400
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,
};

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static int ath10k_debug_cal_data_open(struct inode *inode, struct file *file)
{
	struct ath10k *ar = inode->i_private;
	void *buf;
	u32 hi_addr;
	__le32 addr;
	int ret;

	mutex_lock(&ar->conf_mutex);

	if (ar->state != ATH10K_STATE_ON &&
	    ar->state != ATH10K_STATE_UTF) {
		ret = -ENETDOWN;
		goto err;
	}

	buf = vmalloc(QCA988X_CAL_DATA_LEN);
	if (!buf) {
		ret = -ENOMEM;
		goto err;
	}

	hi_addr = host_interest_item_address(HI_ITEM(hi_board_data));

	ret = ath10k_hif_diag_read(ar, hi_addr, &addr, sizeof(addr));
	if (ret) {
		ath10k_warn(ar, "failed to read hi_board_data address: %d\n", ret);
		goto err_vfree;
	}

	ret = ath10k_hif_diag_read(ar, le32_to_cpu(addr), buf,
				   QCA988X_CAL_DATA_LEN);
	if (ret) {
		ath10k_warn(ar, "failed to read calibration data: %d\n", ret);
		goto err_vfree;
	}

	file->private_data = buf;

	mutex_unlock(&ar->conf_mutex);

	return 0;

err_vfree:
	vfree(buf);

err:
	mutex_unlock(&ar->conf_mutex);

	return ret;
}

static ssize_t ath10k_debug_cal_data_read(struct file *file,
					  char __user *user_buf,
					  size_t count, loff_t *ppos)
{
	void *buf = file->private_data;

	return simple_read_from_buffer(user_buf, count, ppos,
				       buf, QCA988X_CAL_DATA_LEN);
}

static int ath10k_debug_cal_data_release(struct inode *inode,
					 struct file *file)
{
	vfree(file->private_data);

	return 0;
}

1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525
static ssize_t ath10k_write_ani_enable(struct file *file,
				       const char __user *user_buf,
				       size_t count, loff_t *ppos)
{
	struct ath10k *ar = file->private_data;
	int ret;
	u8 enable;

	if (kstrtou8_from_user(user_buf, count, 0, &enable))
		return -EINVAL;

	mutex_lock(&ar->conf_mutex);

	if (ar->ani_enabled == enable) {
		ret = count;
		goto exit;
	}

	ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->ani_enable,
					enable);
	if (ret) {
		ath10k_warn(ar, "ani_enable failed from debugfs: %d\n", ret);
		goto exit;
	}
	ar->ani_enabled = enable;

	ret = count;

exit:
	mutex_unlock(&ar->conf_mutex);

	return ret;
}

static ssize_t ath10k_read_ani_enable(struct file *file, char __user *user_buf,
				      size_t count, loff_t *ppos)
{
	struct ath10k *ar = file->private_data;
	int len = 0;
	char buf[32];

	len = scnprintf(buf, sizeof(buf) - len, "%d\n",
			ar->ani_enabled);

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

static const struct file_operations fops_ani_enable = {
	.read = ath10k_read_ani_enable,
	.write = ath10k_write_ani_enable,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

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static const struct file_operations fops_cal_data = {
	.open = ath10k_debug_cal_data_open,
	.read = ath10k_debug_cal_data_read,
	.release = ath10k_debug_cal_data_release,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

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static ssize_t ath10k_read_nf_cal_period(struct file *file,
					 char __user *user_buf,
					 size_t count, loff_t *ppos)
{
	struct ath10k *ar = file->private_data;
	unsigned int len;
	char buf[32];

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

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

static ssize_t ath10k_write_nf_cal_period(struct file *file,
					  const char __user *user_buf,
					  size_t count, loff_t *ppos)
{
	struct ath10k *ar = file->private_data;
	unsigned long period;
	int ret;

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

	if (period > WMI_PDEV_PARAM_CAL_PERIOD_MAX)
		return -EINVAL;

	/* there's no way to switch back to the firmware default */
	if (period == 0)
		return -EINVAL;

	mutex_lock(&ar->conf_mutex);

	ar->debug.nf_cal_period = period;

	if (ar->state != ATH10K_STATE_ON) {
		/* firmware is not running, nothing else to do */
		ret = count;
		goto exit;
	}

	ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->cal_period,
					ar->debug.nf_cal_period);
	if (ret) {
		ath10k_warn(ar, "cal period cfg failed from debugfs: %d\n",
			    ret);
		goto exit;
	}

	ret = count;

exit:
	mutex_unlock(&ar->conf_mutex);

	return ret;
}

static const struct file_operations fops_nf_cal_period = {
	.read = ath10k_read_nf_cal_period,
	.write = ath10k_write_nf_cal_period,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

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#define ATH10K_TPC_CONFIG_BUF_SIZE	(1024 * 1024)

static int ath10k_debug_tpc_stats_request(struct ath10k *ar)
{
	int ret;
	unsigned long time_left;

	lockdep_assert_held(&ar->conf_mutex);

	reinit_completion(&ar->debug.tpc_complete);

	ret = ath10k_wmi_pdev_get_tpc_config(ar, WMI_TPC_CONFIG_PARAM);
	if (ret) {
		ath10k_warn(ar, "failed to request tpc config: %d\n", ret);
		return ret;
	}

	time_left = wait_for_completion_timeout(&ar->debug.tpc_complete,
						1 * HZ);
	if (time_left == 0)
		return -ETIMEDOUT;

	return 0;
}

void ath10k_debug_tpc_stats_process(struct ath10k *ar,
				    struct ath10k_tpc_stats *tpc_stats)
{
	spin_lock_bh(&ar->data_lock);

	kfree(ar->debug.tpc_stats);
	ar->debug.tpc_stats = tpc_stats;
	complete(&ar->debug.tpc_complete);

	spin_unlock_bh(&ar->data_lock);
}

static void ath10k_tpc_stats_print(struct ath10k_tpc_stats *tpc_stats,
				   unsigned int j, char *buf, unsigned int *len)
{
	unsigned int i, buf_len;
	static const char table_str[][5] = { "CDD",
					     "STBC",
					     "TXBF" };
	static const char pream_str[][6] = { "CCK",
					     "OFDM",
					     "HT20",
					     "HT40",
					     "VHT20",
					     "VHT40",
					     "VHT80",
					     "HTCUP" };

	buf_len = ATH10K_TPC_CONFIG_BUF_SIZE;
	*len += scnprintf(buf + *len, buf_len - *len,
			  "********************************\n");
	*len += scnprintf(buf + *len, buf_len - *len,
			  "******************* %s POWER TABLE ****************\n",
			  table_str[j]);
	*len += scnprintf(buf + *len, buf_len - *len,
			  "********************************\n");
	*len += scnprintf(buf + *len, buf_len - *len,
			  "No.  Preamble Rate_code tpc_value1 tpc_value2 tpc_value3\n");

	for (i = 0; i < tpc_stats->rate_max; i++) {
		*len += scnprintf(buf + *len, buf_len - *len,
				  "%8d %s 0x%2x %s\n", i,
				  pream_str[tpc_stats->tpc_table[j].pream_idx[i]],
				  tpc_stats->tpc_table[j].rate_code[i],
				  tpc_stats->tpc_table[j].tpc_value[i]);
	}

	*len += scnprintf(buf + *len, buf_len - *len,
			  "***********************************\n");
}

static void ath10k_tpc_stats_fill(struct ath10k *ar,
				  struct ath10k_tpc_stats *tpc_stats,
				  char *buf)
{
	unsigned int len, j, buf_len;

	len = 0;
	buf_len = ATH10K_TPC_CONFIG_BUF_SIZE;

	spin_lock_bh(&ar->data_lock);

	if (!tpc_stats) {
		ath10k_warn(ar, "failed to get tpc stats\n");
		goto unlock;
	}

	len += scnprintf(buf + len, buf_len - len, "\n");
	len += scnprintf(buf + len, buf_len - len,
			 "*************************************\n");
	len += scnprintf(buf + len, buf_len - len,
			 "TPC config for channel %4d mode %d\n",
			 tpc_stats->chan_freq,
			 tpc_stats->phy_mode);
	len += scnprintf(buf + len, buf_len - len,
			 "*************************************\n");
	len += scnprintf(buf + len, buf_len - len,
			 "CTL		=  0x%2x Reg. Domain		= %2d\n",
			 tpc_stats->ctl,
			 tpc_stats->reg_domain);
	len += scnprintf(buf + len, buf_len - len,
			 "Antenna Gain	= %2d Reg. Max Antenna Gain	=  %2d\n",
			 tpc_stats->twice_antenna_gain,
			 tpc_stats->twice_antenna_reduction);
	len += scnprintf(buf + len, buf_len - len,
			 "Power Limit	= %2d Reg. Max Power		= %2d\n",
			 tpc_stats->power_limit,
			 tpc_stats->twice_max_rd_power / 2);
	len += scnprintf(buf + len, buf_len - len,
			 "Num tx chains	= %2d Num supported rates	= %2d\n",
			 tpc_stats->num_tx_chain,
			 tpc_stats->rate_max);

	for (j = 0; j < tpc_stats->num_tx_chain ; j++) {
		switch (j) {
		case WMI_TPC_TABLE_TYPE_CDD:
			if (tpc_stats->flag[j] == ATH10K_TPC_TABLE_TYPE_FLAG) {
				len += scnprintf(buf + len, buf_len - len,
						 "CDD not supported\n");
				break;
			}

			ath10k_tpc_stats_print(tpc_stats, j, buf, &len);
			break;
		case WMI_TPC_TABLE_TYPE_STBC:
			if (tpc_stats->flag[j] == ATH10K_TPC_TABLE_TYPE_FLAG) {
				len += scnprintf(buf + len, buf_len - len,
						 "STBC not supported\n");
				break;
			}

			ath10k_tpc_stats_print(tpc_stats, j, buf, &len);
			break;
		case WMI_TPC_TABLE_TYPE_TXBF:
			if (tpc_stats->flag[j] == ATH10K_TPC_TABLE_TYPE_FLAG) {
				len += scnprintf(buf + len, buf_len - len,
						 "TXBF not supported\n***************************\n");
				break;
			}

			ath10k_tpc_stats_print(tpc_stats, j, buf, &len);
			break;
		default:
			len += scnprintf(buf + len, buf_len - len,
					 "Invalid Type\n");
			break;
		}
	}

unlock:
	spin_unlock_bh(&ar->data_lock);

	if (len >= buf_len)
		buf[len - 1] = 0;
	else
		buf[len] = 0;
}

static int ath10k_tpc_stats_open(struct inode *inode, struct file *file)
{
	struct ath10k *ar = inode->i_private;
	void *buf = NULL;
	int ret;

	mutex_lock(&ar->conf_mutex);

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

	buf = vmalloc(ATH10K_TPC_CONFIG_BUF_SIZE);
	if (!buf) {
		ret = -ENOMEM;
		goto err_unlock;
	}

	ret = ath10k_debug_tpc_stats_request(ar);
	if (ret) {
		ath10k_warn(ar, "failed to request tpc config stats: %d\n",
			    ret);
		goto err_free;
	}

	ath10k_tpc_stats_fill(ar, ar->debug.tpc_stats, buf);
	file->private_data = buf;

	mutex_unlock(&ar->conf_mutex);
	return 0;

err_free:
	vfree(buf);

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

static int ath10k_tpc_stats_release(struct inode *inode, struct file *file)
{
	vfree(file->private_data);

	return 0;
}

static ssize_t ath10k_tpc_stats_read(struct file *file, char __user *user_buf,
				     size_t count, loff_t *ppos)
{
	const char *buf = file->private_data;
	unsigned int len = strlen(buf);

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

static const struct file_operations fops_tpc_stats = {
	.open = ath10k_tpc_stats_open,
	.release = ath10k_tpc_stats_release,
	.read = ath10k_tpc_stats_read,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};

1828 1829
int ath10k_debug_start(struct ath10k *ar)
{
1830 1831
	int ret;

1832 1833
	lockdep_assert_held(&ar->conf_mutex);

1834 1835 1836
	ret = ath10k_debug_htt_stats_req(ar);
	if (ret)
		/* continue normally anyway, this isn't serious */
1837 1838
		ath10k_warn(ar, "failed to start htt stats workqueue: %d\n",
			    ret);
1839

1840
	if (ar->debug.fw_dbglog_mask) {
1841 1842
		ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask,
					    ATH10K_DBGLOG_LEVEL_WARN);
1843 1844
		if (ret)
			/* not serious */
1845
			ath10k_warn(ar, "failed to enable dbglog during start: %d",
1846 1847 1848
				    ret);
	}

1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863
	if (ar->debug.pktlog_filter) {
		ret = ath10k_wmi_pdev_pktlog_enable(ar,
						    ar->debug.pktlog_filter);
		if (ret)
			/* not serious */
			ath10k_warn(ar,
				    "failed to enable pktlog filter %x: %d\n",
				    ar->debug.pktlog_filter, ret);
	} else {
		ret = ath10k_wmi_pdev_pktlog_disable(ar);
		if (ret)
			/* not serious */
			ath10k_warn(ar, "failed to disable pktlog: %d\n", ret);
	}

1864 1865 1866 1867 1868 1869 1870 1871 1872 1873
	if (ar->debug.nf_cal_period) {
		ret = ath10k_wmi_pdev_set_param(ar,
						ar->wmi.pdev_param->cal_period,
						ar->debug.nf_cal_period);
		if (ret)
			/* not serious */
			ath10k_warn(ar, "cal period cfg failed from debug start: %d\n",
				    ret);
	}

1874
	return ret;
1875 1876 1877 1878
}

void ath10k_debug_stop(struct ath10k *ar)
{
1879 1880 1881 1882 1883 1884 1885
	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);
1886

1887
	ath10k_wmi_pdev_pktlog_disable(ar);
1888 1889
}

J
Janusz Dziedzic 已提交
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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,
};

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static ssize_t ath10k_write_pktlog_filter(struct file *file,
					  const char __user *ubuf,
					  size_t count, loff_t *ppos)
{
	struct ath10k *ar = file->private_data;
	u32 filter;
	int ret;

	if (kstrtouint_from_user(ubuf, count, 0, &filter))
		return -EINVAL;

	mutex_lock(&ar->conf_mutex);

	if (ar->state != ATH10K_STATE_ON) {
		ar->debug.pktlog_filter = filter;
		ret = count;
		goto out;
	}

	if (filter && (filter != ar->debug.pktlog_filter)) {
		ret = ath10k_wmi_pdev_pktlog_enable(ar, filter);
		if (ret) {
			ath10k_warn(ar, "failed to enable pktlog filter %x: %d\n",
				    ar->debug.pktlog_filter, ret);
			goto out;
		}
	} else {
		ret = ath10k_wmi_pdev_pktlog_disable(ar);
		if (ret) {
			ath10k_warn(ar, "failed to disable pktlog: %d\n", ret);
			goto out;
		}
	}

	ar->debug.pktlog_filter = filter;
	ret = count;

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

static ssize_t ath10k_read_pktlog_filter(struct file *file, char __user *ubuf,
					 size_t count, loff_t *ppos)
{
	char buf[32];
	struct ath10k *ar = file->private_data;
	int len = 0;

	mutex_lock(&ar->conf_mutex);
	len = scnprintf(buf, sizeof(buf) - len, "%08x\n",
			ar->debug.pktlog_filter);
	mutex_unlock(&ar->conf_mutex);

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

static const struct file_operations fops_pktlog_filter = {
	.read = ath10k_read_pktlog_filter,
	.write = ath10k_write_pktlog_filter,
	.open = simple_open
};

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static ssize_t ath10k_write_quiet_period(struct file *file,
					 const char __user *ubuf,
					 size_t count, loff_t *ppos)
{
	struct ath10k *ar = file->private_data;
	u32 period;

	if (kstrtouint_from_user(ubuf, count, 0, &period))
		return -EINVAL;

	if (period < ATH10K_QUIET_PERIOD_MIN) {
		ath10k_warn(ar, "Quiet period %u can not be lesser than 25ms\n",
			    period);
		return -EINVAL;
	}
	mutex_lock(&ar->conf_mutex);
	ar->thermal.quiet_period = period;
2050
	ath10k_thermal_set_throttling(ar);
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	mutex_unlock(&ar->conf_mutex);

	return count;
}

static ssize_t ath10k_read_quiet_period(struct file *file, char __user *ubuf,
					size_t count, loff_t *ppos)
{
	char buf[32];
	struct ath10k *ar = file->private_data;
	int len = 0;

	mutex_lock(&ar->conf_mutex);
	len = scnprintf(buf, sizeof(buf) - len, "%d\n",
			ar->thermal.quiet_period);
	mutex_unlock(&ar->conf_mutex);

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

static const struct file_operations fops_quiet_period = {
	.read = ath10k_read_quiet_period,
	.write = ath10k_write_quiet_period,
	.open = simple_open
};

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int ath10k_debug_create(struct ath10k *ar)
{
2079
	ar->debug.fw_crash_data = vzalloc(sizeof(*ar->debug.fw_crash_data));
2080 2081
	if (!ar->debug.fw_crash_data)
		return -ENOMEM;
2082

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Michal Kazior 已提交
2083
	INIT_LIST_HEAD(&ar->debug.fw_stats.pdevs);
2084
	INIT_LIST_HEAD(&ar->debug.fw_stats.vdevs);
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Michal Kazior 已提交
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	INIT_LIST_HEAD(&ar->debug.fw_stats.peers);

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	return 0;
}

void ath10k_debug_destroy(struct ath10k *ar)
{
	vfree(ar->debug.fw_crash_data);
	ar->debug.fw_crash_data = NULL;
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Michal Kazior 已提交
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	ath10k_debug_fw_stats_reset(ar);
2096 2097

	kfree(ar->debug.tpc_stats);
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}

int ath10k_debug_register(struct ath10k *ar)
{
2102 2103
	ar->debug.debugfs_phy = debugfs_create_dir("ath10k",
						   ar->hw->wiphy->debugfsdir);
2104 2105 2106
	if (IS_ERR_OR_NULL(ar->debug.debugfs_phy)) {
		if (IS_ERR(ar->debug.debugfs_phy))
			return PTR_ERR(ar->debug.debugfs_phy);
2107 2108

		return -ENOMEM;
2109
	}
2110

2111 2112 2113
	INIT_DELAYED_WORK(&ar->debug.htt_stats_dwork,
			  ath10k_debug_htt_stats_dwork);

2114
	init_completion(&ar->debug.tpc_complete);
2115
	init_completion(&ar->debug.fw_stats_complete);
2116 2117 2118 2119

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

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Ben Greear 已提交
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	debugfs_create_file("fw_reset_stats", S_IRUSR, ar->debug.debugfs_phy,
			    ar, &fops_fw_reset_stats);

2123 2124 2125
	debugfs_create_file("wmi_services", S_IRUSR, ar->debug.debugfs_phy, ar,
			    &fops_wmi_services);

2126 2127 2128
	debugfs_create_file("simulate_fw_crash", S_IRUSR, ar->debug.debugfs_phy,
			    ar, &fops_simulate_fw_crash);

2129 2130 2131
	debugfs_create_file("fw_crash_dump", S_IRUSR, ar->debug.debugfs_phy,
			    ar, &fops_fw_crash_dump);

2132 2133 2134 2135 2136 2137
	debugfs_create_file("reg_addr", S_IRUSR | S_IWUSR,
			    ar->debug.debugfs_phy, ar, &fops_reg_addr);

	debugfs_create_file("reg_value", S_IRUSR | S_IWUSR,
			    ar->debug.debugfs_phy, ar, &fops_reg_value);

2138 2139 2140
	debugfs_create_file("mem_value", S_IRUSR | S_IWUSR,
			    ar->debug.debugfs_phy, ar, &fops_mem_value);

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Kalle Valo 已提交
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	debugfs_create_file("chip_id", S_IRUSR, ar->debug.debugfs_phy,
			    ar, &fops_chip_id);

2144 2145 2146
	debugfs_create_file("htt_stats_mask", S_IRUSR, ar->debug.debugfs_phy,
			    ar, &fops_htt_stats_mask);

2147 2148 2149 2150
	debugfs_create_file("htt_max_amsdu_ampdu", S_IRUSR | S_IWUSR,
			    ar->debug.debugfs_phy, ar,
			    &fops_htt_max_amsdu_ampdu);

2151 2152 2153
	debugfs_create_file("fw_dbglog", S_IRUSR, ar->debug.debugfs_phy,
			    ar, &fops_fw_dbglog);

K
Kalle Valo 已提交
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	debugfs_create_file("cal_data", S_IRUSR, ar->debug.debugfs_phy,
			    ar, &fops_cal_data);

2157 2158 2159
	debugfs_create_file("ani_enable", S_IRUSR | S_IWUSR,
			    ar->debug.debugfs_phy, ar, &fops_ani_enable);

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	debugfs_create_file("nf_cal_period", S_IRUSR | S_IWUSR,
			    ar->debug.debugfs_phy, ar, &fops_nf_cal_period);

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Janusz Dziedzic 已提交
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	if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED)) {
		debugfs_create_file("dfs_simulate_radar", S_IWUSR,
				    ar->debug.debugfs_phy, ar,
				    &fops_simulate_radar);

2168 2169 2170 2171
		debugfs_create_bool("dfs_block_radar_events", S_IWUSR,
				    ar->debug.debugfs_phy,
				    &ar->dfs_block_radar_events);

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Janusz Dziedzic 已提交
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		debugfs_create_file("dfs_stats", S_IRUSR,
				    ar->debug.debugfs_phy, ar,
				    &fops_dfs_stats);
	}

2177 2178 2179
	debugfs_create_file("pktlog_filter", S_IRUGO | S_IWUSR,
			    ar->debug.debugfs_phy, ar, &fops_pktlog_filter);

2180 2181 2182
	debugfs_create_file("quiet_period", S_IRUGO | S_IWUSR,
			    ar->debug.debugfs_phy, ar, &fops_quiet_period);

2183 2184 2185
	debugfs_create_file("tpc_stats", S_IRUSR,
			    ar->debug.debugfs_phy, ar, &fops_tpc_stats);

2186 2187
	return 0;
}
2188

2189
void ath10k_debug_unregister(struct ath10k *ar)
2190 2191 2192 2193
{
	cancel_delayed_work_sync(&ar->debug.htt_stats_dwork);
}

2194 2195 2196
#endif /* CONFIG_ATH10K_DEBUGFS */

#ifdef CONFIG_ATH10K_DEBUG
2197 2198
void ath10k_dbg(struct ath10k *ar, enum ath10k_debug_mask mask,
		const char *fmt, ...)
2199 2200 2201 2202 2203 2204 2205 2206 2207 2208
{
	struct va_format vaf;
	va_list args;

	va_start(args, fmt);

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

	if (ath10k_debug_mask & mask)
2209
		dev_printk(KERN_DEBUG, ar->dev, "%pV", &vaf);
2210

2211
	trace_ath10k_log_dbg(ar, mask, &vaf);
2212 2213 2214 2215 2216

	va_end(args);
}
EXPORT_SYMBOL(ath10k_dbg);

2217 2218
void ath10k_dbg_dump(struct ath10k *ar,
		     enum ath10k_debug_mask mask,
2219 2220 2221
		     const char *msg, const char *prefix,
		     const void *buf, size_t len)
{
2222 2223 2224 2225
	char linebuf[256];
	unsigned int linebuflen;
	const void *ptr;

2226 2227
	if (ath10k_debug_mask & mask) {
		if (msg)
2228
			ath10k_dbg(ar, mask, "%s\n", msg);
2229

2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241
		for (ptr = buf; (ptr - buf) < len; ptr += 16) {
			linebuflen = 0;
			linebuflen += scnprintf(linebuf + linebuflen,
						sizeof(linebuf) - linebuflen,
						"%s%08x: ",
						(prefix ? prefix : ""),
						(unsigned int)(ptr - buf));
			hex_dump_to_buffer(ptr, len - (ptr - buf), 16, 1,
					   linebuf + linebuflen,
					   sizeof(linebuf) - linebuflen, true);
			dev_printk(KERN_DEBUG, ar->dev, "%s\n", linebuf);
		}
2242 2243 2244
	}

	/* tracing code doesn't like null strings :/ */
2245
	trace_ath10k_log_dbg_dump(ar, msg ? msg : "", prefix ? prefix : "",
2246 2247 2248 2249 2250
				  buf, len);
}
EXPORT_SYMBOL(ath10k_dbg_dump);

#endif /* CONFIG_ATH10K_DEBUG */