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ath9k: add CAB queue info to debugfs

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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2013-08-06 14:18:05 +02:00 committed by John W. Linville
parent 1803d02d7a
commit 18fcf1c6a6
1 changed files with 27 additions and 16 deletions
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43
drivers/net/wireless/ath/ath9k/debug.c
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@ -732,6 +732,28 @@ static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
return retval;
}
static ssize_t print_queue(struct ath_softc *sc, struct ath_txq *txq,
char *buf, ssize_t size)
{
ssize_t len = 0;
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);
return len;
}
static ssize_t read_file_queues(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
@ -749,24 +771,13 @@ static ssize_t read_file_queues(struct file *file, char __user *user_buf,
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);
len += snprintf(buf + len, size - len, "(%s): ", qname[i]);
len += print_queue(sc, txq, buf + len, size - len);
}
len += snprintf(buf + len, size - len, "(CAB): ");
len += print_queue(sc, sc->beacon.cabq, buf + len, size - len);
if (len > size)
len = size;