|
@@ -244,6 +244,41 @@ static const struct file_operations fops_recv = {
|
|
|
.llseek = default_llseek,
|
|
|
};
|
|
|
|
|
|
+static ssize_t read_file_slot(struct file *file, char __user *user_buf,
|
|
|
+ size_t count, loff_t *ppos)
|
|
|
+{
|
|
|
+ struct ath9k_htc_priv *priv = file->private_data;
|
|
|
+ char buf[512];
|
|
|
+ unsigned int len = 0;
|
|
|
+
|
|
|
+ spin_lock_bh(&priv->tx.tx_lock);
|
|
|
+
|
|
|
+ len += snprintf(buf + len, sizeof(buf) - len, "TX slot bitmap : ");
|
|
|
+
|
|
|
+ len += bitmap_scnprintf(buf + len, sizeof(buf) - len,
|
|
|
+ priv->tx.tx_slot, MAX_TX_BUF_NUM);
|
|
|
+
|
|
|
+ len += snprintf(buf + len, sizeof(buf) - len, "\n");
|
|
|
+
|
|
|
+ len += snprintf(buf + len, sizeof(buf) - len,
|
|
|
+ "Used slots : %d\n",
|
|
|
+ bitmap_weight(priv->tx.tx_slot, MAX_TX_BUF_NUM));
|
|
|
+
|
|
|
+ spin_unlock_bh(&priv->tx.tx_lock);
|
|
|
+
|
|
|
+ if (len > sizeof(buf))
|
|
|
+ len = sizeof(buf);
|
|
|
+
|
|
|
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
|
|
|
+}
|
|
|
+
|
|
|
+static const struct file_operations fops_slot = {
|
|
|
+ .read = read_file_slot,
|
|
|
+ .open = ath9k_debugfs_open,
|
|
|
+ .owner = THIS_MODULE,
|
|
|
+ .llseek = default_llseek,
|
|
|
+};
|
|
|
+
|
|
|
int ath9k_htc_init_debug(struct ath_hw *ah)
|
|
|
{
|
|
|
struct ath_common *common = ath9k_hw_common(ah);
|
|
@@ -276,6 +311,12 @@ int ath9k_htc_init_debug(struct ath_hw *ah)
|
|
|
if (!priv->debug.debugfs_recv)
|
|
|
goto err;
|
|
|
|
|
|
+ priv->debug.debugfs_slot = debugfs_create_file("slot", S_IRUSR,
|
|
|
+ priv->debug.debugfs_phy,
|
|
|
+ priv, &fops_slot);
|
|
|
+ if (!priv->debug.debugfs_slot)
|
|
|
+ goto err;
|
|
|
+
|
|
|
return 0;
|
|
|
|
|
|
err:
|
|
@@ -288,6 +329,7 @@ void ath9k_htc_exit_debug(struct ath_hw *ah)
|
|
|
struct ath_common *common = ath9k_hw_common(ah);
|
|
|
struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
|
|
|
|
|
|
+ debugfs_remove(priv->debug.debugfs_slot);
|
|
|
debugfs_remove(priv->debug.debugfs_recv);
|
|
|
debugfs_remove(priv->debug.debugfs_xmit);
|
|
|
debugfs_remove(priv->debug.debugfs_tgt_stats);
|