Commit b3e71d7a authored by Ashok Raj Nagarajan's avatar Ashok Raj Nagarajan Committed by Kalle Valo
Browse files

ath10k: allow user to toggle ani_enable via debugfs



Now that ANI is enabled by default, allow user to disable or enable ANI feature
from debugfs

echo 0|1 > /sys/kernel/debug/ieee80211/phyX/ath10k/ani_enable
Signed-off-by: default avatarAshok Raj Nagarajan <arnagara@qti.qualcomm.com>
Signed-off-by: default avatarKalle Valo <kvalo@qca.qualcomm.com>
parent 575f1c3d
......@@ -520,6 +520,8 @@ struct ath10k {
u32 ht_cap_info;
u32 vht_cap_info;
u32 num_rf_chains;
/* protected by conf_mutex */
bool ani_enabled;
DECLARE_BITMAP(fw_features, ATH10K_FW_FEATURE_COUNT);
......
......@@ -1708,6 +1708,61 @@ static int ath10k_debug_cal_data_release(struct inode *inode,
return 0;
}
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,
};
static const struct file_operations fops_cal_data = {
.open = ath10k_debug_cal_data_open,
.read = ath10k_debug_cal_data_read,
......@@ -2112,6 +2167,9 @@ int ath10k_debug_register(struct ath10k *ar)
debugfs_create_file("cal_data", S_IRUSR, ar->debug.debugfs_phy,
ar, &fops_cal_data);
debugfs_create_file("ani_enable", S_IRUSR | S_IWUSR,
ar->debug.debugfs_phy, ar, &fops_ani_enable);
debugfs_create_file("nf_cal_period", S_IRUSR | S_IWUSR,
ar->debug.debugfs_phy, ar, &fops_nf_cal_period);
......
......@@ -3161,6 +3161,8 @@ static int ath10k_start(struct ieee80211_hw *hw)
goto err_core_stop;
}
ar->ani_enabled = true;
ar->num_started_vdevs = 0;
ath10k_regd_update(ar);
......
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