Release 4.18 drivers/net/wireless/ath/ath10k/debug.c
  
  
  
/*
 * Copyright (c) 2005-2011 Atheros Communications Inc.
 * Copyright (c) 2011-2017 Qualcomm Atheros, Inc.
 * Copyright (c) 2018, The Linux Foundation. All rights reserved.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
#include <linux/module.h>
#include <linux/debugfs.h>
#include <linux/vmalloc.h>
#include <linux/crc32.h>
#include <linux/firmware.h>
#include "core.h"
#include "debug.h"
#include "hif.h"
#include "wmi-ops.h"
/* ms */
#define ATH10K_DEBUG_HTT_STATS_INTERVAL 1000
#define ATH10K_DEBUG_CAL_DATA_LEN 12064
void ath10k_info(struct ath10k *ar, const char *fmt, ...)
{
	struct va_format vaf = {
		.fmt = fmt,
        };
	va_list args;
	va_start(args, fmt);
	vaf.va = &args;
	dev_info(ar->dev, "%pV", &vaf);
	trace_ath10k_log_info(ar, &vaf);
	va_end(args);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Kalle Valo | 59 | 84.29% | 1 | 25.00% | 
| Michal Kazior | 10 | 14.29% | 2 | 50.00% | 
| Joe Perches | 1 | 1.43% | 1 | 25.00% | 
| Total | 70 | 100.00% | 4 | 100.00% | 
EXPORT_SYMBOL(ath10k_info);
void ath10k_debug_print_hwfw_info(struct ath10k *ar)
{
	const struct firmware *firmware;
	char fw_features[128] = {};
	u32 crc = 0;
	ath10k_core_get_fw_features_str(ar, fw_features, sizeof(fw_features));
	ath10k_info(ar, "%s target 0x%08x chip_id 0x%08x sub %04x:%04x",
		    ar->hw_params.name,
		    ar->target_version,
		    ar->chip_id,
		    ar->id.subsystem_vendor, ar->id.subsystem_device);
	ath10k_info(ar, "kconfig debug %d debugfs %d tracing %d dfs %d testmode %d\n",
		    IS_ENABLED(CONFIG_ATH10K_DEBUG),
		    IS_ENABLED(CONFIG_ATH10K_DEBUGFS),
		    IS_ENABLED(CONFIG_ATH10K_TRACING),
		    IS_ENABLED(CONFIG_ATH10K_DFS_CERTIFIED),
		    IS_ENABLED(CONFIG_NL80211_TESTMODE));
	firmware = ar->normal_mode_fw.fw_file.firmware;
	if (firmware)
		crc = crc32_le(0, firmware->data, firmware->size);
	ath10k_info(ar, "firmware ver %s api %d features %s crc32 %08x\n",
		    ar->hw->wiphy->fw_version,
		    ar->fw_api,
		    fw_features,
		    crc);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Kalle Valo | 88 | 55.70% | 6 | 50.00% | 
| Michal Kazior | 56 | 35.44% | 4 | 33.33% | 
| Manikanta Pubbisetty | 9 | 5.70% | 1 | 8.33% | 
| Masahiro Yamada | 5 | 3.16% | 1 | 8.33% | 
| Total | 158 | 100.00% | 12 | 100.00% | 
void ath10k_debug_print_board_info(struct ath10k *ar)
{
	char boardinfo[100];
	const struct firmware *board;
	u32 crc;
	if (ar->id.bmi_ids_valid)
		scnprintf(boardinfo, sizeof(boardinfo), "%d:%d",
			  ar->id.bmi_chip_id, ar->id.bmi_board_id);
	else
		scnprintf(boardinfo, sizeof(boardinfo), "N/A");
	board = ar->normal_mode_fw.board;
	if (!IS_ERR_OR_NULL(board))
		crc = crc32_le(0, board->data, board->size);
	else
		crc = 0;
	ath10k_info(ar, "board_file api %d bmi_id %s crc32 %08x",
		    ar->bd_api,
		    boardinfo,
		    crc);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Kalle Valo | 77 | 63.64% | 5 | 83.33% | 
| Wang, Yu | 44 | 36.36% | 1 | 16.67% | 
| Total | 121 | 100.00% | 6 | 100.00% | 
void ath10k_debug_print_boot_info(struct ath10k *ar)
{
	ath10k_info(ar, "htt-ver %d.%d wmi-op %d htt-op %d cal %s max-sta %d raw %d hwcrypto %d\n",
		    ar->htt.target_version_major,
		    ar->htt.target_version_minor,
		    ar->normal_mode_fw.fw_file.wmi_op_version,
		    ar->normal_mode_fw.fw_file.htt_op_version,
		    ath10k_cal_mode_str(ar->cal_mode),
		    ar->max_num_stations,
		    test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags),
		    !test_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Kalle Valo | 42 | 54.55% | 7 | 53.85% | 
| David Liu | 20 | 25.97% | 1 | 7.69% | 
| Michal Kazior | 12 | 15.58% | 4 | 30.77% | 
| Manikanta Pubbisetty | 3 | 3.90% | 1 | 7.69% | 
| Total | 77 | 100.00% | 13 | 100.00% | 
void ath10k_print_driver_info(struct ath10k *ar)
{
	ath10k_debug_print_hwfw_info(ar);
	ath10k_debug_print_board_info(ar);
	ath10k_debug_print_boot_info(ar);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Kalle Valo | 25 | 100.00% | 1 | 100.00% | 
| Total | 25 | 100.00% | 1 | 100.00% | 
EXPORT_SYMBOL(ath10k_print_driver_info);
void ath10k_err(struct ath10k *ar, const char *fmt, ...)
{
	struct va_format vaf = {
		.fmt = fmt,
        };
	va_list args;
	va_start(args, fmt);
	vaf.va = &args;
	dev_err(ar->dev, "%pV", &vaf);
	trace_ath10k_log_err(ar, &vaf);
	va_end(args);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Kalle Valo | 58 | 82.86% | 1 | 25.00% | 
| Michal Kazior | 11 | 15.71% | 2 | 50.00% | 
| Joe Perches | 1 | 1.43% | 1 | 25.00% | 
| Total | 70 | 100.00% | 4 | 100.00% | 
EXPORT_SYMBOL(ath10k_err);
void ath10k_warn(struct ath10k *ar, const char *fmt, ...)
{
	struct va_format vaf = {
		.fmt = fmt,
        };
	va_list args;
	va_start(args, fmt);
	vaf.va = &args;
	dev_warn_ratelimited(ar->dev, "%pV", &vaf);
	trace_ath10k_log_warn(ar, &vaf);
	va_end(args);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Kalle Valo | 58 | 82.86% | 1 | 25.00% | 
| Michal Kazior | 11 | 15.71% | 2 | 50.00% | 
| Joe Perches | 1 | 1.43% | 1 | 25.00% | 
| Total | 70 | 100.00% | 4 | 100.00% | 
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;
	size_t len = 0, buf_len = 8192;
	const char *name;
	ssize_t ret_cnt;
	bool enabled;
	int i;
	buf = kzalloc(buf_len, GFP_KERNEL);
	if (!buf)
		return -ENOMEM;
	mutex_lock(&ar->conf_mutex);
	spin_lock_bh(&ar->data_lock);
	for (i = 0; i < WMI_SERVICE_MAX; i++) {
		enabled = test_bit(i, ar->wmi.svc_map);
		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;
		}
		len += scnprintf(buf + len, buf_len - len,
				 "%-40s %s\n",
				 name, enabled ? "enabled" : "-");
	}
	spin_unlock_bh(&ar->data_lock);
	ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
	mutex_unlock(&ar->conf_mutex);
	kfree(buf);
	return ret_cnt;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Kalle Valo | 151 | 67.71% | 1 | 16.67% | 
| Michal Kazior | 70 | 31.39% | 3 | 50.00% | 
| Amadeusz Sławiński | 1 | 0.45% | 1 | 16.67% | 
| Tamizh chelvam | 1 | 0.45% | 1 | 16.67% | 
| Total | 223 | 100.00% | 6 | 100.00% | 
static const struct file_operations fops_wmi_services = {
	.read = ath10k_read_wmi_services,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};
static void ath10k_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);
	}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Michal Kazior | 43 | 97.73% | 1 | 50.00% | 
| Mohammed Shafi Shajakhan | 1 | 2.27% | 1 | 50.00% | 
| Total | 44 | 100.00% | 2 | 100.00% | 
static void ath10k_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);
	}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Michal Kazior | 43 | 97.73% | 1 | 50.00% | 
| Mohammed Shafi Shajakhan | 1 | 2.27% | 1 | 50.00% | 
| Total | 44 | 100.00% | 2 | 100.00% | 
static void ath10k_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);
	}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Michal Kazior | 43 | 97.73% | 1 | 50.00% | 
| Mohammed Shafi Shajakhan | 1 | 2.27% | 1 | 50.00% | 
| Total | 44 | 100.00% | 2 | 100.00% | 
static void ath10k_fw_extd_stats_peers_free(struct list_head *head)
{
	struct ath10k_fw_extd_stats_peer *i, *tmp;
	list_for_each_entry_safe(i, tmp, head, list) {
		list_del(&i->list);
		kfree(i);
	}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Mohammed Shafi Shajakhan | 44 | 100.00% | 1 | 100.00% | 
| Total | 44 | 100.00% | 1 | 100.00% | 
static void ath10k_debug_fw_stats_reset(struct ath10k *ar)
{
	spin_lock_bh(&ar->data_lock);
	ar->debug.fw_stats_done = false;
	ar->debug.fw_stats.extended = false;
	ath10k_fw_stats_pdevs_free(&ar->debug.fw_stats.pdevs);
	ath10k_fw_stats_vdevs_free(&ar->debug.fw_stats.vdevs);
	ath10k_fw_stats_peers_free(&ar->debug.fw_stats.peers);
	ath10k_fw_extd_stats_peers_free(&ar->debug.fw_stats.peers_extd);
	spin_unlock_bh(&ar->data_lock);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Michal Kazior | 68 | 73.12% | 2 | 50.00% | 
| Mohammed Shafi Shajakhan | 25 | 26.88% | 2 | 50.00% | 
| Total | 93 | 100.00% | 4 | 100.00% | 
void ath10k_debug_fw_stats_process(struct ath10k *ar, struct sk_buff *skb)
{
	struct ath10k_fw_stats stats = {};
	bool is_start, is_started, is_end;
	size_t num_peers;
	size_t num_vdevs;
	int ret;
	INIT_LIST_HEAD(&stats.pdevs);
	INIT_LIST_HEAD(&stats.vdevs);
	INIT_LIST_HEAD(&stats.peers);
	INIT_LIST_HEAD(&stats.peers_extd);
	spin_lock_bh(&ar->data_lock);
	ret = ath10k_wmi_pull_fw_stats(ar, skb, &stats);
	if (ret) {
		ath10k_warn(ar, "failed to pull fw stats: %d\n", ret);
		goto free;
	}
	/* 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 (ath10k_peer_stats_enabled(ar))
		ath10k_sta_update_rx_duration(ar, &stats);
	if (ar->debug.fw_stats_done) {
		if (!ath10k_peer_stats_enabled(ar))
			ath10k_warn(ar, "received unsolicited stats update event\n");
		goto free;
	}
	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);
	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_fw_stats_peers_free(&ar->debug.fw_stats.peers);
			ath10k_fw_extd_stats_peers_free(&ar->debug.fw_stats.peers_extd);
			ath10k_warn(ar, "dropping fw peer stats\n");
			goto free;
		}
		if (num_vdevs >= BITS_PER_LONG) {
			ath10k_fw_stats_vdevs_free(&ar->debug.fw_stats.vdevs);
			ath10k_warn(ar, "dropping fw vdev stats\n");
			goto free;
		}
		if (!list_empty(&stats.peers))
			list_splice_tail_init(&stats.peers_extd,
					      &ar->debug.fw_stats.peers_extd);
		list_splice_tail_init(&stats.peers, &ar->debug.fw_stats.peers);
		list_splice_tail_init(&stats.vdevs, &ar->debug.fw_stats.vdevs);
	}
	complete(&ar->debug.fw_stats_complete);
free:
	/* In some cases lists have been spliced and cleared. Free up
         * resources if that is not the case.
         */
	ath10k_fw_stats_pdevs_free(&stats.pdevs);
	ath10k_fw_stats_vdevs_free(&stats.vdevs);
	ath10k_fw_stats_peers_free(&stats.peers);
	ath10k_fw_extd_stats_peers_free(&stats.peers_extd);
	spin_unlock_bh(&ar->data_lock);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Michal Kazior | 313 | 65.89% | 5 | 31.25% | 
| Mohammed Shafi Shajakhan | 89 | 18.74% | 7 | 43.75% | 
| Kalle Valo | 41 | 8.63% | 1 | 6.25% | 
| Christian Lamparter | 29 | 6.11% | 1 | 6.25% | 
| Manikanta Pubbisetty | 2 | 0.42% | 1 | 6.25% | 
| Raja Mani | 1 | 0.21% | 1 | 6.25% | 
| Total | 475 | 100.00% | 16 | 100.00% | 
static int ath10k_debug_fw_stats_request(struct ath10k *ar)
{
	unsigned long timeout, time_left;
	int ret;
	lockdep_assert_held(&ar->conf_mutex);
	timeout = jiffies + msecs_to_jiffies(1 * HZ);
	ath10k_debug_fw_stats_reset(ar);
	for (;;) {
		if (time_after(jiffies, timeout))
			return -ETIMEDOUT;
		reinit_completion(&ar->debug.fw_stats_complete);
		ret = ath10k_wmi_request_stats(ar, ar->fw_stats_req_mask);
		if (ret) {
			ath10k_warn(ar, "could not request stats (%d)\n", ret);
			return ret;
		}
		time_left =
		wait_for_completion_timeout(&ar->debug.fw_stats_complete,
					    1 * HZ);
		if (!time_left)
			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);
	}
	return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Michal Kazior | 112 | 67.47% | 5 | 62.50% | 
| Kalle Valo | 46 | 27.71% | 1 | 12.50% | 
| Nicholas Mc Guire | 5 | 3.01% | 1 | 12.50% | 
| Yanbo Li | 3 | 1.81% | 1 | 12.50% | 
| Total | 166 | 100.00% | 8 | 100.00% | 
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;
	}
	ret = ath10k_debug_fw_stats_request(ar);
	if (ret) {
		ath10k_warn(ar, "failed to request fw stats: %d\n", ret);
		goto err_free;
	}
	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;
	}
	file->private_data = buf;
	mutex_unlock(&ar->conf_mutex);
	return 0;
err_free:
	vfree(buf);
err_unlock:
	mutex_unlock(&ar->conf_mutex);
	return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Manikanta Pubbisetty | 82 | 46.07% | 1 | 20.00% | 
| Michal Kazior | 64 | 35.96% | 3 | 60.00% | 
| Kalle Valo | 32 | 17.98% | 1 | 20.00% | 
| Total | 178 | 100.00% | 5 | 100.00% | 
static int ath10k_fw_stats_release(struct inode *inode, struct file *file)
{
	vfree(file->private_data);
	return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Michal Kazior | 26 | 100.00% | 1 | 100.00% | 
| Total | 26 | 100.00% | 1 | 100.00% | 
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;
	size_t len = strlen(buf);
	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Michal Kazior | 51 | 94.44% | 1 | 33.33% | 
| Kalle Valo | 2 | 3.70% | 1 | 33.33% | 
| Amadeusz Sławiński | 1 | 1.85% | 1 | 33.33% | 
| Total | 54 | 100.00% | 3 | 100.00% | 
static const struct file_operations fops_fw_stats = {
	.open = ath10k_fw_stats_open,
	.release = ath10k_fw_stats_release,
	.read = ath10k_fw_stats_read,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};
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;
	size_t len = 0, buf_len = 500;
	char *buf;
	buf = kmalloc(buf_len, GFP_KERNEL);
	if (!buf)
		return -ENOMEM;
	spin_lock_bh(&ar->data_lock);
	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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Ben Greear | 162 | 96.43% | 1 | 50.00% | 
| Amadeusz Sławiński | 6 | 3.57% | 1 | 50.00% | 
| Total | 168 | 100.00% | 2 | 100.00% | 
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,
};
/* 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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Ben Greear | 95 | 100.00% | 1 | 100.00% | 
| Total | 95 | 100.00% | 1 | 100.00% | 
static ssize_t ath10k_read_simulate_fw_crash(struct file *file,
					     char __user *user_buf,
					     size_t count, loff_t *ppos)
{
	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"
		"`hw-restart` - this will simply queue hw restart without fw/hw actually crashing.\n";
	return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Michal Kazior | 47 | 92.16% | 2 | 66.67% | 
| Kalle Valo | 4 | 7.84% | 1 | 33.33% | 
| Total | 51 | 100.00% | 3 | 100.00% | 
/* 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.
 */
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;
	char buf[32] = {0};
	ssize_t rc;
	int ret;
	/* filter partial writes and invalid commands */
	if (*ppos != 0 || count >= sizeof(buf) || count == 0)
		return -EINVAL;
	rc = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
	if (rc < 0)
		return rc;
	/* drop the possible '\n' from the end */
	if (buf[*ppos - 1] == '\n')
		buf[*ppos - 1] = '\0';
	mutex_lock(&ar->conf_mutex);
	if (ar->state != ATH10K_STATE_ON &&
	    ar->state != ATH10K_STATE_RESTARTED) {
		ret = -ENETDOWN;
		goto exit;
	}
	if (!strcmp(buf, "soft")) {
		ath10k_info(ar, "simulating soft firmware crash\n");
		ret = ath10k_wmi_force_fw_hang(ar, WMI_FORCE_FW_HANG_ASSERT, 0);
	} else if (!strcmp(buf, "hard")) {
		ath10k_info(ar, "simulating hard firmware crash\n");
		/* 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,
						ar->wmi.vdev_param->rts_threshold,
						0);
	} else if (!strcmp(buf, "assert")) {
		ath10k_info(ar, "simulating firmware assert crash\n");
		ret = ath10k_debug_fw_assert(ar);
	} else if (!strcmp(buf, "hw-restart")) {
		ath10k_info(ar, "user requested hw restart\n");
		queue_work(ar->workqueue, &ar->restart_work);
		ret = 0;
	} else {
		ret = -EINVAL;
		goto exit;
	}
	if (ret) {
		ath10k_warn(ar, "failed to simulate firmware crash: %d\n", ret);
		goto exit;
	}
	ret = count;
exit:
	mutex_unlock(&ar->conf_mutex);
	return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Michal Kazior | 169 | 50.45% | 3 | 37.50% | 
| Marek Puzyniak | 66 | 19.70% | 1 | 12.50% | 
| Michael Mera | 45 | 13.43% | 1 | 12.50% | 
| Ben Greear | 29 | 8.66% | 2 | 25.00% | 
| Mohammed Shafi Shajakhan | 26 | 7.76% | 1 | 12.50% | 
| Total | 335 | 100.00% | 8 | 100.00% | 
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,
};
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;
	size_t 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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Kalle Valo | 72 | 98.63% | 1 | 50.00% | 
| Amadeusz Sławiński | 1 | 1.37% | 1 | 50.00% | 
| Total | 73 | 100.00% | 2 | 100.00% | 
static const struct file_operations fops_chip_id = {
	.read = ath10k_read_chip_id,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};
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];
	size_t 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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Yanbo Li | 103 | 99.04% | 1 | 50.00% | 
| Amadeusz Sławiński | 1 | 0.96% | 1 | 50.00% | 
| Total | 104 | 100.00% | 2 | 100.00% | 
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, ®_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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Yanbo Li | 101 | 100.00% | 1 | 100.00% | 
| Total | 101 | 100.00% | 1 | 100.00% | 
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];
	size_t 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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Yanbo Li | 143 | 99.31% | 1 | 50.00% | 
| Amadeusz Sławiński | 1 | 0.69% | 1 | 50.00% | 
| Total | 144 | 100.00% | 2 | 100.00% | 
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, ®_val);
	if (ret)
		goto exit;
	ath10k_hif_write32(ar, reg_addr, reg_val);
	ret = count;
exit:
	mutex_unlock(&ar->conf_mutex);
	return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Yanbo Li | 128 | 100.00% | 1 | 100.00% | 
| Total | 128 | 100.00% | 1 | 100.00% | 
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,
};
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Yanbo Li | 208 | 100.00% | 1 | 100.00% | 
| Total | 208 | 100.00% | 1 | 100.00% | 
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Yanbo Li | 205 | 100.00% | 1 | 100.00% | 
| Total | 205 | 100.00% | 1 | 100.00% | 
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,
};
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) {
		ath10k_warn(ar, "failed to send htt stats request: %d\n", ret);
		return ret;
	}
	queue_delayed_work(ar->workqueue, &ar->debug.htt_stats_dwork,
			   msecs_to_jiffies(ATH10K_DEBUG_HTT_STATS_INTERVAL));
	return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Ben Greear | 111 | 98.23% | 1 | 50.00% | 
| Michal Kazior | 2 | 1.77% | 1 | 50.00% | 
| Total | 113 | 100.00% | 2 | 100.00% | 
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Ben Greear | 51 | 100.00% | 1 | 100.00% | 
| Total | 51 | 100.00% | 1 | 100.00% | 
static ssize_t ath10k_read_htt_stats_mask(struct file *file,
					  char __user *user_buf,
					  size_t count, loff_t *ppos)
{
	struct ath10k *ar = file->private_data;
	char buf[32];
	size_t len;
	len = scnprintf(buf, sizeof(buf), "%lu\n", ar->debug.htt_stats_mask);
	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Kalle Valo | 74 | 98.67% | 1 | 50.00% | 
| Amadeusz Sławiński | 1 | 1.33% | 1 | 50.00% | 
| Total | 75 | 100.00% | 2 | 100.00% | 
static ssize_t ath10k_write_htt_stats_mask(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;
	/* 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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Kalle Valo | 119 | 100.00% | 1 | 100.00% | 
| Total | 119 | 100.00% | 1 | 100.00% | 
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,
};
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, ampdu;
	size_t len;
	mutex_lock(&ar->conf_mutex);
	amsdu = ar->htt.max_num_amsdu;
	ampdu = ar->htt.max_num_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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Janusz Dziedzic | 105 | 95.45% | 1 | 33.33% | 
| David Liu | 4 | 3.64% | 1 | 33.33% | 
| Amadeusz Sławiński | 1 | 0.91% | 1 | 33.33% | 
| Total | 110 | 100.00% | 3 | 100.00% | 
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] = {0};
	unsigned int amsdu, ampdu;
	res = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos,
				     user_buf, count);
	if (res <= 0)
		return res;
	res = sscanf(buf, "%u %u", &amsdu, &du);
	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->htt.max_num_amsdu = amsdu;
	ar->htt.max_num_ampdu = ampdu;
out:
	mutex_unlock(&ar->conf_mutex);
	return res;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Janusz Dziedzic | 150 | 89.29% | 1 | 33.33% | 
| Venkateswara Naralasetty | 14 | 8.33% | 1 | 33.33% | 
| David Liu | 4 | 2.38% | 1 | 33.33% | 
| Total | 168 | 100.00% | 3 | 100.00% | 
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,
};
static ssize_t ath10k_read_fw_dbglog(struct file *file,
				     char __user *user_buf,
				     size_t count, loff_t *ppos)
{
	struct ath10k *ar = file->private_data;
	size_t len;
	char buf[96];
	len = scnprintf(buf, sizeof(buf), "0x%16llx %u\n",
			ar->debug.fw_dbglog_mask, ar->debug.fw_dbglog_level);
	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Kalle Valo | 72 | 88.89% | 1 | 25.00% | 
| SenthilKumar Jegadeesan | 6 | 7.41% | 1 | 25.00% | 
| Maharaja Kennadyrajan | 2 | 2.47% | 1 | 25.00% | 
| Amadeusz Sławiński | 1 | 1.23% | 1 | 25.00% | 
| Total | 81 | 100.00% | 4 | 100.00% | 
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;
	char buf[96] = {0};
	unsigned int log_level;
	u64 mask;
	ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos,
				     user_buf, count);
	if (ret <= 0)
		return ret;
	ret = sscanf(buf, "%llx %u", &mask, &log_level);
	if (!ret)
		return -EINVAL;
	if (ret == 1)
		/* default if user did not specify */
		log_level = ATH10K_DBGLOG_LEVEL_WARN;
	mutex_lock(&ar->conf_mutex);
	ar->debug.fw_dbglog_mask = mask;
	ar->debug.fw_dbglog_level = log_level;
	if (ar->state == ATH10K_STATE_ON) {
		ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask,
					    ar->debug.fw_dbglog_level);
		if (ret) {
			ath10k_warn(ar, "dbglog cfg failed from debugfs: %d\n",
				    ret);
			goto exit;
		}
	}
	ret = count;
exit:
	mutex_unlock(&ar->conf_mutex);
	return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Kalle Valo | 124 | 60.49% | 1 | 20.00% | 
| SenthilKumar Jegadeesan | 61 | 29.76% | 1 | 20.00% | 
| Venkateswara Naralasetty | 14 | 6.83% | 1 | 20.00% | 
| Maharaja Kennadyrajan | 4 | 1.95% | 1 | 20.00% | 
| Michal Kazior | 2 | 0.98% | 1 | 20.00% | 
| Total | 205 | 100.00% | 5 | 100.00% | 
/* 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));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Ben Greear | 41 | 100.00% | 1 | 100.00% | 
| Total | 41 | 100.00% | 1 | 100.00% | 
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Ben Greear | 30 | 100.00% | 1 | 100.00% | 
| Total | 30 | 100.00% | 1 | 100.00% | 
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Ben Greear | 623 | 100.00% | 1 | 100.00% | 
| Total | 623 | 100.00% | 1 | 100.00% | 
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,
};
static int ath10k_debug_cal_data_fetch(struct ath10k *ar)
{
	u32 hi_addr;
	__le32 addr;
	int ret;
	lockdep_assert_held(&ar->conf_mutex);
	if (WARN_ON(ar->hw_params.cal_data_len > ATH10K_DEBUG_CAL_DATA_LEN))
		return -EINVAL;
	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);
		return ret;
	}
	ret = ath10k_hif_diag_read(ar, le32_to_cpu(addr), ar->debug.cal_data,
				   ar->hw_params.cal_data_len);
	if (ret) {
		ath10k_warn(ar, "failed to read calibration data: %d\n", ret);
		return ret;
	}
	return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Kalle Valo | 100 | 74.07% | 1 | 33.33% | 
| Marty Faltesek | 25 | 18.52% | 1 | 33.33% | 
| Raja Mani | 10 | 7.41% | 1 | 33.33% | 
| Total | 135 | 100.00% | 3 | 100.00% | 
static int ath10k_debug_cal_data_open(struct inode *inode, struct file *file)
{
	struct ath10k *ar = inode->i_private;
	mutex_lock(&ar->conf_mutex);
	if (ar->state == ATH10K_STATE_ON ||
	    ar->state == ATH10K_STATE_UTF) {
		ath10k_debug_cal_data_fetch(ar);
	}
	file->private_data = ar;
	mutex_unlock(&ar->conf_mutex);
	return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Marty Faltesek | 48 | 67.61% | 1 | 50.00% | 
| Kalle Valo | 23 | 32.39% | 1 | 50.00% | 
| Total | 71 | 100.00% | 2 | 100.00% | 
static ssize_t ath10k_debug_cal_data_read(struct file *file,
					  char __user *user_buf,
					  size_t count, loff_t *ppos)
{
	struct ath10k *ar = file->private_data;
	mutex_lock(&ar->conf_mutex);
	count = simple_read_from_buffer(user_buf, count, ppos,
					ar->debug.cal_data,
					ar->hw_params.cal_data_len);
	mutex_unlock(&ar->conf_mutex);
	return count;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Kalle Valo | 40 | 54.05% | 1 | 33.33% | 
| Marty Faltesek | 20 | 27.03% | 1 | 33.33% | 
| Raja Mani | 14 | 18.92% | 1 | 33.33% | 
| Total | 74 | 100.00% | 3 | 100.00% | 
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Ashok Raj Nagarajan | 140 | 100.00% | 1 | 100.00% | 
| Total | 140 | 100.00% | 1 | 100.00% | 
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;
	size_t len;
	char buf[32];
	len = scnprintf(buf, sizeof(buf), "%d\n", ar->ani_enabled);
	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Ashok Raj Nagarajan | 72 | 98.63% | 1 | 50.00% | 
| Amadeusz Sławiński | 1 | 1.37% | 1 | 50.00% | 
| Total | 73 | 100.00% | 2 | 100.00% | 
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,
};
static const struct file_operations fops_cal_data = {
	.open = ath10k_debug_cal_data_open,
	.read = ath10k_debug_cal_data_read,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};
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;
	size_t 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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Peter Oh | 74 | 98.67% | 1 | 50.00% | 
| Amadeusz Sławiński | 1 | 1.33% | 1 | 50.00% | 
| Total | 75 | 100.00% | 2 | 100.00% | 
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Peter Oh | 172 | 100.00% | 1 | 100.00% | 
| Total | 172 | 100.00% | 1 | 100.00% | 
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,
};
#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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Maharaja Kennadyrajan | 92 | 100.00% | 1 | 100.00% | 
| Total | 92 | 100.00% | 1 | 100.00% | 
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Maharaja Kennadyrajan | 58 | 100.00% | 1 | 100.00% | 
| Total | 58 | 100.00% | 1 | 100.00% | 
void
ath10k_debug_tpc_stats_final_process(struct ath10k *ar,
				     struct ath10k_tpc_stats_final *tpc_stats)
{
	spin_lock_bh(&ar->data_lock);
	kfree(ar->debug.tpc_stats_final);
	ar->debug.tpc_stats_final = tpc_stats;
	complete(&ar->debug.tpc_complete);
	spin_unlock_bh(&ar->data_lock);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Maharaja Kennadyrajan | 58 | 100.00% | 1 | 100.00% | 
| Total | 58 | 100.00% | 1 | 100.00% | 
static void ath10k_tpc_stats_print(struct ath10k_tpc_stats *tpc_stats,
				   unsigned int j, char *buf, size_t *len)
{
	int i;
	size_t 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 ");
	for (i = 0; i < WMI_TPC_TX_N_CHAIN; i++)
		*len += scnprintf(buf + *len, buf_len - *len,
				  "tpc_value%d ", i);
	*len += scnprintf(buf + *len, buf_len - *len, "\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");
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Maharaja Kennadyrajan | 244 | 81.61% | 1 | 33.33% | 
| tamizhr@codeaurora.org | 52 | 17.39% | 1 | 33.33% | 
| Amadeusz Sławiński | 3 | 1.00% | 1 | 33.33% | 
| Total | 299 | 100.00% | 3 | 100.00% | 
static void ath10k_tpc_stats_fill(struct ath10k *ar,
				  struct ath10k_tpc_stats *tpc_stats,
				  char *buf)
{
	int j;
	size_t len, 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 < WMI_TPC_FLAG; 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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Maharaja Kennadyrajan | 426 | 99.30% | 2 | 66.67% | 
| Amadeusz Sławiński | 3 | 0.70% | 1 | 33.33% | 
| Total | 429 | 100.00% | 3 | 100.00% | 
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Maharaja Kennadyrajan | 157 | 100.00% | 1 | 100.00% | 
| Total | 157 | 100.00% | 1 | 100.00% | 
static int ath10k_tpc_stats_release(struct inode *inode, struct file *file)
{
	vfree(file->private_data);
	return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Maharaja Kennadyrajan | 26 | 100.00% | 1 | 100.00% | 
| Total | 26 | 100.00% | 1 | 100.00% | 
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;
	size_t len = strlen(buf);
	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Maharaja Kennadyrajan | 53 | 98.15% | 1 | 50.00% | 
| Amadeusz Sławiński | 1 | 1.85% | 1 | 50.00% | 
| Total | 54 | 100.00% | 2 | 100.00% | 
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,
};
int ath10k_debug_start(struct ath10k *ar)
{
	int ret;
	lockdep_assert_held(&ar->conf_mutex);
	ret = ath10k_debug_htt_stats_req(ar);
	if (ret)
		/* continue normally anyway, this isn't serious */
		ath10k_warn(ar, "failed to start htt stats workqueue: %d\n",
			    ret);
	if (ar->debug.fw_dbglog_mask) {
		ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask,
					    ATH10K_DBGLOG_LEVEL_WARN);
		if (ret)
			/* not serious */
			ath10k_warn(ar, "failed to enable dbglog during start: %d",
				    ret);
	}
	if (ar->pktlog_filter) {
		ret = ath10k_wmi_pdev_pktlog_enable(ar,
						    ar->pktlog_filter);
		if (ret)
			/* not serious */
			ath10k_warn(ar,
				    "failed to enable pktlog filter %x: %d\n",
				    ar->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);
	}
	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);
	}
	return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Kalle Valo | 77 | 40.53% | 4 | 50.00% | 
| Rajkumar Manoharan | 62 | 32.63% | 1 | 12.50% | 
| Peter Oh | 45 | 23.68% | 1 | 12.50% | 
| Michal Kazior | 4 | 2.11% | 1 | 12.50% | 
| SenthilKumar Jegadeesan | 2 | 1.05% | 1 | 12.50% | 
| Total | 190 | 100.00% | 8 | 100.00% | 
void ath10k_debug_stop(struct ath10k *ar)
{
	lockdep_assert_held(&ar->conf_mutex);
	ath10k_debug_cal_data_fetch(ar);
	/* 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);
	ath10k_wmi_pdev_pktlog_disable(ar);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Kalle Valo | 38 | 77.55% | 3 | 50.00% | 
| Rajkumar Manoharan | 5 | 10.20% | 1 | 16.67% | 
| Marty Faltesek | 5 | 10.20% | 1 | 16.67% | 
| Marcin Rokicki | 1 | 2.04% | 1 | 16.67% | 
| Total | 49 | 100.00% | 6 | 100.00% | 
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;
	struct ath10k_vif *arvif;
	/* Just check for for the first vif alone, as all the vifs will be
         * sharing the same channel and if the channel is disabled, all the
         * vifs will share the same 'is_started' state.
         */
	arvif = list_first_entry(&ar->arvifs, typeof(*arvif), list);
	if (!arvif->is_started)
		return -EINVAL;
	ieee80211_radar_detected(ar->hw);
	return count;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Janusz Dziedzic | 43 | 55.13% | 1 | 50.00% | 
| Mohammed Shafi Shajakhan | 35 | 44.87% | 1 | 50.00% | 
| Total | 78 | 100.00% | 2 | 100.00% | 
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Janusz Dziedzic | 263 | 100.00% | 1 | 100.00% | 
| Total | 263 | 100.00% | 1 | 100.00% | 
static const struct file_operations fops_dfs_stats = {
	.read = ath10k_read_dfs_stats,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};
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->pktlog_filter = filter;
		ret = count;
		goto out;
	}
	if (filter == ar->pktlog_filter) {
		ret = count;
		goto out;
	}
	if (filter) {
		ret = ath10k_wmi_pdev_pktlog_enable(ar, filter);
		if (ret) {
			ath10k_warn(ar, "failed to enable pktlog filter %x: %d\n",
				    ar->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->pktlog_filter = filter;
	ret = count;
out:
	mutex_unlock(&ar->conf_mutex);
	return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Rajkumar Manoharan | 179 | 92.75% | 1 | 50.00% | 
| Anilkumar Kolli | 14 | 7.25% | 1 | 50.00% | 
| Total | 193 | 100.00% | 2 | 100.00% | 
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->pktlog_filter);
	mutex_unlock(&ar->conf_mutex);
	return simple_read_from_buffer(ubuf, count, ppos, buf, len);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Rajkumar Manoharan | 93 | 100.00% | 1 | 100.00% | 
| Total | 93 | 100.00% | 1 | 100.00% | 
static const struct file_operations fops_pktlog_filter = {
	.read = ath10k_read_pktlog_filter,
	.write = ath10k_write_pktlog_filter,
	.open = simple_open
};
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;
	ath10k_thermal_set_throttling(ar);
	mutex_unlock(&ar->conf_mutex);
	return count;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Rajkumar Manoharan | 107 | 100.00% | 2 | 100.00% | 
| Total | 107 | 100.00% | 2 | 100.00% | 
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Rajkumar Manoharan | 95 | 100.00% | 1 | 100.00% | 
| Total | 95 | 100.00% | 1 | 100.00% | 
static const struct file_operations fops_quiet_period = {
	.read = ath10k_read_quiet_period,
	.write = ath10k_write_quiet_period,
	.open = simple_open
};
static ssize_t ath10k_write_btcoex(struct file *file,
				   const char __user *ubuf,
				   size_t count, loff_t *ppos)
{
	struct ath10k *ar = file->private_data;
	char buf[32];
	size_t buf_size;
	int ret;
	bool val;
	u32 pdev_param;
	buf_size = min(count, (sizeof(buf) - 1));
	if (copy_from_user(buf, ubuf, buf_size))
		return -EFAULT;
	buf[buf_size] = '\0';
	if (strtobool(buf, &val) != 0)
		return -EINVAL;
	mutex_lock(&ar->conf_mutex);
	if (ar->state != ATH10K_STATE_ON &&
	    ar->state != ATH10K_STATE_RESTARTED) {
		ret = -ENETDOWN;
		goto exit;
	}
	if (!(test_bit(ATH10K_FLAG_BTCOEX, &ar->dev_flags) ^ val)) {
		ret = count;
		goto exit;
	}
	pdev_param = ar->wmi.pdev_param->enable_btcoex;
	if (test_bit(ATH10K_FW_FEATURE_BTCOEX_PARAM,
		     ar->running_fw->fw_file.fw_features)) {
		ret = ath10k_wmi_pdev_set_param(ar, pdev_param, val);
		if (ret) {
			ath10k_warn(ar, "failed to enable btcoex: %d\n", ret);
			ret = count;
			goto exit;
		}
	} else {
		ath10k_info(ar, "restarting firmware due to btcoex change");
		queue_work(ar->workqueue, &ar->restart_work);
	}
	if (val)
		set_bit(ATH10K_FLAG_BTCOEX, &ar->dev_flags);
	else
		clear_bit(ATH10K_FLAG_BTCOEX, &ar->dev_flags);
	ret = count;
exit:
	mutex_unlock(&ar->conf_mutex);
	return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Yanbo Li | 170 | 59.23% | 1 | 25.00% | 
| Rajkumar Manoharan | 79 | 27.53% | 1 | 25.00% | 
| Mohammed Shafi Shajakhan | 38 | 13.24% | 2 | 50.00% | 
| Total | 287 | 100.00% | 4 | 100.00% | 
static ssize_t ath10k_read_btcoex(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",
			test_bit(ATH10K_FLAG_BTCOEX, &ar->dev_flags));
	mutex_unlock(&ar->conf_mutex);
	return simple_read_from_buffer(ubuf, count, ppos, buf, len);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Yanbo Li | 99 | 100.00% | 1 | 100.00% | 
| Total | 99 | 100.00% | 1 | 100.00% | 
static const struct file_operations fops_btcoex = {
	.read = ath10k_read_btcoex,
	.write = ath10k_write_btcoex,
	.open = simple_open
};
static ssize_t ath10k_write_peer_stats(struct file *file,
				       const char __user *ubuf,
				       size_t count, loff_t *ppos)
{
	struct ath10k *ar = file->private_data;
	char buf[32];
	size_t buf_size;
	int ret;
	bool val;
	buf_size = min(count, (sizeof(buf) - 1));
	if (copy_from_user(buf, ubuf, buf_size))
		return -EFAULT;
	buf[buf_size] = '\0';
	if (strtobool(buf, &val) != 0)
		return -EINVAL;
	mutex_lock(&ar->conf_mutex);
	if (ar->state != ATH10K_STATE_ON &&
	    ar->state != ATH10K_STATE_RESTARTED) {
		ret = -ENETDOWN;
		goto exit;
	}
	if (!(test_bit(ATH10K_FLAG_PEER_STATS, &ar->dev_flags) ^ val)) {
		ret = count;
		goto exit;
	}
	if (val)
		set_bit(ATH10K_FLAG_PEER_STATS, &ar->dev_flags);
	else
		clear_bit(ATH10K_FLAG_PEER_STATS, &ar->dev_flags);
	ath10k_info(ar, "restarting firmware due to Peer stats change");
	queue_work(ar->workqueue, &ar->restart_work);
	ret = count;
exit:
	mutex_unlock(&ar->conf_mutex);
	return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Mohammed Shafi Shajakhan | 221 | 100.00% | 2 | 100.00% | 
| Total | 221 | 100.00% | 2 | 100.00% | 
static ssize_t ath10k_read_peer_stats(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",
			test_bit(ATH10K_FLAG_PEER_STATS, &ar->dev_flags));
	mutex_unlock(&ar->conf_mutex);
	return simple_read_from_buffer(ubuf, count, ppos, buf, len);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Mohammed Shafi Shajakhan | 99 | 100.00% | 1 | 100.00% | 
| Total | 99 | 100.00% | 1 | 100.00% | 
static const struct file_operations fops_peer_stats = {
	.read = ath10k_read_peer_stats,
	.write = ath10k_write_peer_stats,
	.open = simple_open
};
static ssize_t ath10k_debug_fw_checksums_read(struct file *file,
					      char __user *user_buf,
					      size_t count, loff_t *ppos)
{
	struct ath10k *ar = file->private_data;
	size_t len = 0, buf_len = 4096;
	ssize_t ret_cnt;
	char *buf;
	buf = kzalloc(buf_len, GFP_KERNEL);
	if (!buf)
		return -ENOMEM;
	mutex_lock(&ar->conf_mutex);
	len += scnprintf(buf + len, buf_len - len,
			 "firmware-N.bin\t\t%08x\n",
			 crc32_le(0, ar->normal_mode_fw.fw_file.firmware->data,
				  ar->normal_mode_fw.fw_file.firmware->size));
	len += scnprintf(buf + len, buf_len - len,
			 "athwlan\t\t\t%08x\n",
			 crc32_le(0, ar->normal_mode_fw.fw_file.firmware_data,
				  ar->normal_mode_fw.fw_file.firmware_len));
	len += scnprintf(buf + len, buf_len - len,
			 "otp\t\t\t%08x\n",
			 crc32_le(0, ar->normal_mode_fw.fw_file.otp_data,
				  ar->normal_mode_fw.fw_file.otp_len));
	len += scnprintf(buf + len, buf_len - len,
			 "codeswap\t\t%08x\n",
			 crc32_le(0, ar->normal_mode_fw.fw_file.codeswap_data,
				  ar->normal_mode_fw.fw_file.codeswap_len));
	len += scnprintf(buf + len, buf_len - len,
			 "board-N.bin\t\t%08x\n",
			 crc32_le(0, ar->normal_mode_fw.board->data,
				  ar->normal_mode_fw.board->size));
	len += scnprintf(buf + len, buf_len - len,
			 "board\t\t\t%08x\n",
			 crc32_le(0, ar->normal_mode_fw.board_data,
				  ar->normal_mode_fw.board_len));
	ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
	mutex_unlock(&ar->conf_mutex);
	kfree(buf);
	return ret_cnt;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Kalle Valo | 320 | 99.69% | 2 | 66.67% | 
| Amadeusz Sławiński | 1 | 0.31% | 1 | 33.33% | 
| Total | 321 | 100.00% | 3 | 100.00% | 
static const struct file_operations fops_fw_checksums = {
	.read = ath10k_debug_fw_checksums_read,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};
static ssize_t ath10k_sta_tid_stats_mask_read(struct file *file,
					      char __user *user_buf,
					      size_t count, loff_t *ppos)
{
	struct ath10k *ar = file->private_data;
	char buf[32];
	size_t len;
	len = scnprintf(buf, sizeof(buf), "0x%08x\n", ar->sta_tid_stats_mask);
	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Vasanthakumar Thiagarajan | 73 | 100.00% | 1 | 100.00% | 
| Total | 73 | 100.00% | 1 | 100.00% | 
static ssize_t ath10k_sta_tid_stats_mask_write(struct file *file,
					       const char __user *user_buf,
					       size_t count, loff_t *ppos)
{
	struct ath10k *ar = file->private_data;
	char buf[32];
	ssize_t len;
	u32 mask;
	len = min(count, sizeof(buf) - 1);
	if (copy_from_user(buf, user_buf, len))
		return -EFAULT;
	buf[len] = '\0';
	if (kstrtoint(buf, 0, &mask))
		return -EINVAL;
	ar->sta_tid_stats_mask = mask;
	return len;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Vasanthakumar Thiagarajan | 106 | 100.00% | 1 | 100.00% | 
| Total | 106 | 100.00% | 1 | 100.00% | 
static const struct file_operations fops_sta_tid_stats_mask = {
	.read = ath10k_sta_tid_stats_mask_read,
	.write = ath10k_sta_tid_stats_mask_write,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};
static int ath10k_debug_tpc_stats_final_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_table_cmdid(ar, WMI_TPC_CONFIG_PARAM);
	if (ret) {
		ath10k_warn(ar, "failed to request tpc table cmdid: %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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Maharaja Kennadyrajan | 92 | 100.00% | 1 | 100.00% | 
| Total | 92 | 100.00% | 1 | 100.00% | 
static int ath10k_tpc_stats_final_open(struct inode *inode, struct file *file)
{
	struct ath10k *ar = inode->i_private;
	void *buf;
	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_final_request(ar);
	if (ret) {
		ath10k_warn(ar, "failed to request tpc stats final: %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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Maharaja Kennadyrajan | 155 | 100.00% | 1 | 100.00% | 
| Total | 155 | 100.00% | 1 | 100.00% | 
static int ath10k_tpc_stats_final_release(struct inode *inode,
					  struct file *file)
{
	vfree(file->private_data);
	return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Maharaja Kennadyrajan | 26 | 100.00% | 1 | 100.00% | 
| Total | 26 | 100.00% | 1 | 100.00% | 
static ssize_t ath10k_tpc_stats_final_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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Maharaja Kennadyrajan | 55 | 100.00% | 1 | 100.00% | 
| Total | 55 | 100.00% | 1 | 100.00% | 
static const struct file_operations fops_tpc_stats_final = {
	.open = ath10k_tpc_stats_final_open,
	.release = ath10k_tpc_stats_final_release,
	.read = ath10k_tpc_stats_final_read,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
};
int ath10k_debug_create(struct ath10k *ar)
{
	ar->debug.cal_data = vzalloc(ATH10K_DEBUG_CAL_DATA_LEN);
	if (!ar->debug.cal_data)
		return -ENOMEM;
	INIT_LIST_HEAD(&ar->debug.fw_stats.pdevs);
	INIT_LIST_HEAD(&ar->debug.fw_stats.vdevs);
	INIT_LIST_HEAD(&ar->debug.fw_stats.peers);
	INIT_LIST_HEAD(&ar->debug.fw_stats.peers_extd);
	return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Michal Kazior | 40 | 47.06% | 3 | 42.86% | 
| Marty Faltesek | 20 | 23.53% | 1 | 14.29% | 
| Mohammed Shafi Shajakhan | 12 | 14.12% | 1 | 14.29% | 
| Kalle Valo | 9 | 10.59% | 1 | 14.29% | 
| Ben Greear | 4 | 4.71% | 1 | 14.29% | 
| Total | 85 | 100.00% | 7 | 100.00% | 
void ath10k_debug_destroy(struct ath10k *ar)
{
	vfree(ar->debug.cal_data);
	ar->debug.cal_data = NULL;
	ath10k_debug_fw_stats_reset(ar);
	kfree(ar->debug.tpc_stats);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Michal Kazior | 20 | 48.78% | 2 | 40.00% | 
| Marty Faltesek | 11 | 26.83% | 1 | 20.00% | 
| Maharaja Kennadyrajan | 9 | 21.95% | 1 | 20.00% | 
| Ben Greear | 1 | 2.44% | 1 | 20.00% | 
| Total | 41 | 100.00% | 5 | 100.00% | 
int ath10k_debug_register(struct ath10k *ar)
{
	ar->debug.debugfs_phy = debugfs_create_dir("ath10k",
						   ar->hw->wiphy->debugfsdir);
	if (IS_ERR_OR_NULL(ar->debug.debugfs_phy)) {
		if (IS_ERR(ar->debug.debugfs_phy))
			return PTR_ERR(ar->debug.debugfs_phy);
		return -ENOMEM;
	}
	INIT_DELAYED_WORK(&ar->debug.htt_stats_dwork,
			  ath10k_debug_htt_stats_dwork);
	init_completion(&ar->debug.tpc_complete);
	init_completion(&ar->debug.fw_stats_complete);
	debugfs_create_file("fw_stats", 0400, ar->debug.debugfs_phy, ar,
			    &fops_fw_stats);
	debugfs_create_file("fw_reset_stats", 0400, ar->debug.debugfs_phy, ar,
			    &fops_fw_reset_stats);
	debugfs_create_file("wmi_services", 0400, ar->debug.debugfs_phy, ar,
			    &fops_wmi_services);
	debugfs_create_file("simulate_fw_crash", 0600, ar->debug.debugfs_phy, ar,
			    &fops_simulate_fw_crash);
	debugfs_create_file("reg_addr", 0600, ar->debug.debugfs_phy, ar,
			    &fops_reg_addr);
	debugfs_create_file("reg_value", 0600, ar->debug.debugfs_phy, ar,
			    &fops_reg_value);
	debugfs_create_file("mem_value", 0600, ar->debug.debugfs_phy, ar,
			    &fops_mem_value);
	debugfs_create_file("chip_id", 0400, ar->debug.debugfs_phy, ar,
			    &fops_chip_id);
	debugfs_create_file("htt_stats_mask", 0600, ar->debug.debugfs_phy, ar,
			    &fops_htt_stats_mask);
	debugfs_create_file("htt_max_amsdu_ampdu", 0600, ar->debug.debugfs_phy, ar,
			    &fops_htt_max_amsdu_ampdu);
	debugfs_create_file("fw_dbglog", 0600, ar->debug.debugfs_phy, ar,
			    &fops_fw_dbglog);
	debugfs_create_file("cal_data", 0400, ar->debug.debugfs_phy, ar,
			    &fops_cal_data);
	debugfs_create_file("ani_enable", 0600, ar->debug.debugfs_phy, ar,
			    &fops_ani_enable);
	debugfs_create_file("nf_cal_period", 0600, ar->debug.debugfs_phy, ar,
			    &fops_nf_cal_period);
	if (IS_ENABLED(CONFIG_ATH10K_DFS_CERTIFIED)) {
		debugfs_create_file("dfs_simulate_radar", 0200, ar->debug.debugfs_phy,
				    ar, &fops_simulate_radar);
		debugfs_create_bool("dfs_block_radar_events", 0200,
				    ar->debug.debugfs_phy,
				    &ar->dfs_block_radar_events);
		debugfs_create_file("dfs_stats", 0400, ar->debug.debugfs_phy, ar,
				    &fops_dfs_stats);
	}
	debugfs_create_file("pktlog_filter", 0644, ar->debug.debugfs_phy, ar,
			    &fops_pktlog_filter);
	debugfs_create_file("quiet_period", 0644, ar->debug.debugfs_phy, ar,
			    &fops_quiet_period);
	debugfs_create_file("tpc_stats", 0400, ar->debug.debugfs_phy, ar,
			    &fops_tpc_stats);
	if (test_bit(WMI_SERVICE_COEX_GPIO, ar->wmi.svc_map))
		debugfs_create_file("btcoex", 0644, ar->debug.debugfs_phy, ar,
				    &fops_btcoex);
	if (test_bit(WMI_SERVICE_PEER_STATS, ar->wmi.svc_map))
		debugfs_create_file("peer_stats", 0644, ar->debug.debugfs_phy, ar,
				    &fops_peer_stats);
	debugfs_create_file("fw_checksums", 0400, ar->debug.debugfs_phy, ar,
			    &fops_fw_checksums);
	if (IS_ENABLED(CONFIG_MAC80211_DEBUGFS))
		debugfs_create_file("sta_tid_stats_mask", 0600,
				    ar->debug.debugfs_phy,
				    ar, &fops_sta_tid_stats_mask);
	if (test_bit(WMI_SERVICE_TPC_STATS_FINAL, ar->wmi.svc_map))
		debugfs_create_file("tpc_stats_final", 0400,
				    ar->debug.debugfs_phy, ar,
				    &fops_tpc_stats_final);
	return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Kalle Valo | 173 | 28.50% | 6 | 22.22% | 
| Yanbo Li | 81 | 13.34% | 3 | 11.11% | 
| Janusz Dziedzic | 59 | 9.72% | 2 | 7.41% | 
| Maharaja Kennadyrajan | 58 | 9.56% | 2 | 7.41% | 
| Michal Kazior | 55 | 9.06% | 4 | 14.81% | 
| Rajkumar Manoharan | 34 | 5.60% | 2 | 7.41% | 
| Mohammed Shafi Shajakhan | 30 | 4.94% | 1 | 3.70% | 
| Vasanthakumar Thiagarajan | 25 | 4.12% | 1 | 3.70% | 
| Marcin Rokicki | 23 | 3.79% | 1 | 3.70% | 
| Ben Greear | 17 | 2.80% | 1 | 3.70% | 
| Marek Puzyniak | 17 | 2.80% | 1 | 3.70% | 
| Peter Oh | 17 | 2.80% | 1 | 3.70% | 
| Ashok Raj Nagarajan | 17 | 2.80% | 1 | 3.70% | 
| Masahiro Yamada | 1 | 0.16% | 1 | 3.70% | 
| Total | 607 | 100.00% | 27 | 100.00% | 
void ath10k_debug_unregister(struct ath10k *ar)
{
	cancel_delayed_work_sync(&ar->debug.htt_stats_dwork);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Kalle Valo | 19 | 95.00% | 1 | 50.00% | 
| Michal Kazior | 1 | 5.00% | 1 | 50.00% | 
| Total | 20 | 100.00% | 2 | 100.00% | 
#endif /* CONFIG_ATH10K_DEBUGFS */
#ifdef CONFIG_ATH10K_DEBUG
void ath10k_dbg(struct ath10k *ar, enum ath10k_debug_mask mask,
		const char *fmt, ...)
{
	struct va_format vaf;
	va_list args;
	va_start(args, fmt);
	vaf.fmt = fmt;
	vaf.va = &args;
	if (ath10k_debug_mask & mask)
		dev_printk(KERN_DEBUG, ar->dev, "%pV", &vaf);
	trace_ath10k_log_dbg(ar, mask, &vaf);
	va_end(args);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Kalle Valo | 71 | 85.54% | 1 | 33.33% | 
| Michal Kazior | 12 | 14.46% | 2 | 66.67% | 
| Total | 83 | 100.00% | 3 | 100.00% | 
EXPORT_SYMBOL(ath10k_dbg);
void ath10k_dbg_dump(struct ath10k *ar,
		     enum ath10k_debug_mask mask,
		     const char *msg, const char *prefix,
		     const void *buf, size_t len)
{
	char linebuf[256];
	size_t linebuflen;
	const void *ptr;
	if (ath10k_debug_mask & mask) {
		if (msg)
			ath10k_dbg(ar, mask, "%s\n", msg);
		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);
		}
	}
	/* tracing code doesn't like null strings :/ */
	trace_ath10k_log_dbg_dump(ar, msg ? msg : "", prefix ? prefix : "",
				  buf, len);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Michal Kazior | 117 | 60.31% | 3 | 60.00% | 
| Kalle Valo | 76 | 39.18% | 1 | 20.00% | 
| Amadeusz Sławiński | 1 | 0.52% | 1 | 20.00% | 
| Total | 194 | 100.00% | 5 | 100.00% | 
EXPORT_SYMBOL(ath10k_dbg_dump);
#endif /* CONFIG_ATH10K_DEBUG */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Kalle Valo | 2360 | 20.19% | 19 | 19.19% | 
| Maharaja Kennadyrajan | 1585 | 13.56% | 4 | 4.04% | 
| Michal Kazior | 1447 | 12.38% | 24 | 24.24% | 
| Yanbo Li | 1363 | 11.66% | 4 | 4.04% | 
| Ben Greear | 1307 | 11.18% | 5 | 5.05% | 
| Janusz Dziedzic | 727 | 6.22% | 2 | 2.02% | 
| Rajkumar Manoharan | 700 | 5.99% | 4 | 4.04% | 
| Mohammed Shafi Shajakhan | 645 | 5.52% | 11 | 11.11% | 
| Peter Oh | 341 | 2.92% | 1 | 1.01% | 
| Ashok Raj Nagarajan | 262 | 2.24% | 1 | 1.01% | 
| Vasanthakumar Thiagarajan | 237 | 2.03% | 1 | 1.01% | 
| Marty Faltesek | 133 | 1.14% | 1 | 1.01% | 
| Manikanta Pubbisetty | 96 | 0.82% | 2 | 2.02% | 
| Marek Puzyniak | 84 | 0.72% | 2 | 2.02% | 
| SenthilKumar Jegadeesan | 69 | 0.59% | 1 | 1.01% | 
| tamizhr@codeaurora.org | 52 | 0.44% | 1 | 1.01% | 
| Wang, Yu | 45 | 0.39% | 1 | 1.01% | 
| Michael Mera | 45 | 0.39% | 1 | 1.01% | 
| Christian Lamparter | 29 | 0.25% | 1 | 1.01% | 
| David Liu | 28 | 0.24% | 1 | 1.01% | 
| Venkateswara Naralasetty | 28 | 0.24% | 1 | 1.01% | 
| Raja Mani | 25 | 0.21% | 2 | 2.02% | 
| Amadeusz Sławiński | 25 | 0.21% | 1 | 1.01% | 
| Marcin Rokicki | 24 | 0.21% | 2 | 2.02% | 
| Anilkumar Kolli | 14 | 0.12% | 1 | 1.01% | 
| Masahiro Yamada | 6 | 0.05% | 1 | 1.01% | 
| Nicholas Mc Guire | 5 | 0.04% | 1 | 1.01% | 
| Joe Perches | 3 | 0.03% | 1 | 1.01% | 
| Johannes Berg | 1 | 0.01% | 1 | 1.01% | 
| Tamizh chelvam | 1 | 0.01% | 1 | 1.01% | 
| Total | 11687 | 100.00% | 99 | 100.00% | 
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