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: Ashok Raj Nagarajan <[email protected]> --- v2: Updated commit log Lock ar->ani_enabled (Kalle Valo) remove reduntant debug message (Kalle Valo) drivers/net/wireless/ath/ath10k/core.h | 2 ++ drivers/net/wireless/ath/ath10k/debug.c | 58 +++++++++++++++++++++++++++++++++ drivers/net/wireless/ath/ath10k/mac.c | 2 ++ 3 files changed, 62 insertions(+) diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index 7cba781..29e0a8b 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -510,6 +510,8 @@ 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); diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index 301081d..481e1cc 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -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, @@ -2068,6 +2123,9 @@ 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); diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 380d4b1..366c96f 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -2904,6 +2904,8 @@ 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); -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
