From: Sujith Manoharan <c_manoha@xxxxxxxxxxxxxxxx>
Signed-off-by: Sujith Manoharan <c_manoha@xxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/debug.c | 53 ++++++++++++++++++++++++++++++++++
1 file changed, 53 insertions(+)
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index d9edff8..bbb6bd7 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -558,6 +558,50 @@ static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
return retval;
}
+static ssize_t read_file_queues(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_softc *sc = file->private_data;
+ struct ath_txq *txq;
+ char *buf;
+ unsigned int len = 0, size = 1024;
+ ssize_t retval = 0;
+ int i;
+ char *qname[4] = {"VO", "VI", "BE", "BK"};
+
+ buf = kzalloc(size, GFP_KERNEL);
+ if (buf == NULL)
+ return -ENOMEM;
+
+ for (i = 0; i < IEEE80211_NUM_ACS; i++) {
+ txq = sc->tx.txq_map[i];
+ len += snprintf(buf + len, size - len, "(%s): ", qname[i]);
+
+ ath_txq_lock(sc, txq);
+
+ len += snprintf(buf + len, size - len, "%s: %d ",
+ "qnum", txq->axq_qnum);
+ len += snprintf(buf + len, size - len, "%s: %2d ",
+ "qdepth", txq->axq_depth);
+ len += snprintf(buf + len, size - len, "%s: %2d ",
+ "ampdu-depth", txq->axq_ampdu_depth);
+ len += snprintf(buf + len, size - len, "%s: %3d ",
+ "pending", txq->pending_frames);
+ len += snprintf(buf + len, size - len, "%s: %d\n",
+ "stopped", txq->stopped);
+
+ ath_txq_unlock(sc, txq);
+ }
+
+ if (len > size)
+ len = size;
+
+ retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+ kfree(buf);
+
+ return retval;
+}
+
static ssize_t read_file_stations(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
@@ -825,6 +869,13 @@ static const struct file_operations fops_xmit = {
.llseek = default_llseek,
};
+static const struct file_operations fops_queues = {
+ .read = read_file_queues,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
static const struct file_operations fops_stations = {
.read = read_file_stations,
.open = simple_open,
@@ -1550,6 +1601,8 @@ int ath9k_init_debug(struct ath_hw *ah)
&fops_interrupt);
debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
&fops_xmit);
+ debugfs_create_file("queues", S_IRUSR, sc->debug.debugfs_phy, sc,
+ &fops_queues);
debugfs_create_u32("qlen_bk", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
&sc->tx.txq_max_pending[IEEE80211_AC_BK]);
debugfs_create_u32("qlen_be", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
--
1.8.0
--
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