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// SPDX-License-Identifier: BSD-3-Clause-Clear
/*
* Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
* Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#include "core.h"
#include "debugfs.h"
#include "debugfs_htt_stats.h"
static ssize_t ath12k_write_simulate_radar(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath12k *ar = file->private_data;
int ret;
mutex_lock(&ar->conf_mutex);
ret = ath12k_wmi_simulate_radar(ar);
if (ret)
goto exit;
ret = count;
exit:
mutex_unlock(&ar->conf_mutex);
return ret;
}
static const struct file_operations fops_simulate_radar = {
.write = ath12k_write_simulate_radar,
.open = simple_open
};
void ath12k_debugfs_soc_create(struct ath12k_base *ab)
{
bool dput_needed;
char soc_name[64] = { 0 };
struct dentry *debugfs_ath12k;
debugfs_ath12k = debugfs_lookup("ath12k", NULL);
if (debugfs_ath12k) {
/* a dentry from lookup() needs dput() after we don't use it */
dput_needed = true;
} else {
debugfs_ath12k = debugfs_create_dir("ath12k", NULL);
if (IS_ERR_OR_NULL(debugfs_ath12k))
return;
dput_needed = false;
}
scnprintf(soc_name, sizeof(soc_name), "%s-%s", ath12k_bus_str(ab->hif.bus),
dev_name(ab->dev));
ab->debugfs_soc = debugfs_create_dir(soc_name, debugfs_ath12k);
if (dput_needed)
dput(debugfs_ath12k);
}
void ath12k_debugfs_soc_destroy(struct ath12k_base *ab)
{
debugfs_remove_recursive(ab->debugfs_soc);
ab->debugfs_soc = NULL;
/* We are not removing ath12k directory on purpose, even if it
* would be empty. This simplifies the directory handling and it's
* a minor cosmetic issue to leave an empty ath12k directory to
* debugfs.
*/
}
void ath12k_debugfs_register(struct ath12k *ar)
{
struct ath12k_base *ab = ar->ab;
struct ieee80211_hw *hw = ar->ah->hw;
char pdev_name[5];
char buf[100] = {0};
scnprintf(pdev_name, sizeof(pdev_name), "%s%d", "mac", ar->pdev_idx);
ar->debug.debugfs_pdev = debugfs_create_dir(pdev_name, ab->debugfs_soc);
/* Create a symlink under ieee80211/phy* */
scnprintf(buf, sizeof(buf), "../../ath12k/%pd2", ar->debug.debugfs_pdev);
ar->debug.debugfs_pdev_symlink = debugfs_create_symlink("ath12k",
hw->wiphy->debugfsdir,
buf);
if (ar->mac.sbands[NL80211_BAND_5GHZ].channels) {
debugfs_create_file("dfs_simulate_radar", 0200,
ar->debug.debugfs_pdev, ar,
&fops_simulate_radar);
}
ath12k_debugfs_htt_stats_register(ar);
}
void ath12k_debugfs_unregister(struct ath12k *ar)
{
if (!ar->debug.debugfs_pdev)
return;
/* Remove symlink under ieee80211/phy* */
debugfs_remove(ar->debug.debugfs_pdev_symlink);
debugfs_remove_recursive(ar->debug.debugfs_pdev);
ar->debug.debugfs_pdev_symlink = NULL;
ar->debug.debugfs_pdev = NULL;
}
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