Add a counter to show how many times a queue got stuck in the debugfs queue
file.
Signed-off-by: Bruno Randolf <br1@xxxxxxxxxxx>
---
drivers/net/wireless/ath/ath5k/base.c | 2 ++
drivers/net/wireless/ath/ath5k/base.h | 1 +
drivers/net/wireless/ath/ath5k/debug.c | 2 ++
3 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index d13df7a..c4f0786 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -896,6 +896,7 @@ ath5k_txq_setup(struct ath5k_softc *sc,
txq->setup = true;
txq->txq_len = 0;
txq->txq_poll_mark = false;
+ txq->txq_stuck = 0;
}
return &sc->txqs[qnum];
}
@@ -2197,6 +2198,7 @@ ath5k_tx_complete_poll_work(struct work_struct *work)
"TX queue stuck %d\n",
txq->qnum);
needreset = true;
+ txq->txq_stuck++;
spin_unlock_bh(&txq->lock);
break;
} else {
diff --git a/drivers/net/wireless/ath/ath5k/base.h b/drivers/net/wireless/ath/ath5k/base.h
index d8e2674..7f9d0d3 100644
--- a/drivers/net/wireless/ath/ath5k/base.h
+++ b/drivers/net/wireless/ath/ath5k/base.h
@@ -88,6 +88,7 @@ struct ath5k_txq {
bool setup;
int txq_len; /* number of queued buffers */
bool txq_poll_mark;
+ unsigned int txq_stuck; /* informational counter */
};
#define ATH5K_LED_MAX_NAME_LEN 31
diff --git a/drivers/net/wireless/ath/ath5k/debug.c b/drivers/net/wireless/ath/ath5k/debug.c
index b2c610b..6583a82 100644
--- a/drivers/net/wireless/ath/ath5k/debug.c
+++ b/drivers/net/wireless/ath/ath5k/debug.c
@@ -785,6 +785,8 @@ static ssize_t read_file_queue(struct file *file, char __user *user_buf,
len += snprintf(buf+len, sizeof(buf)-len,
" len: %d bufs: %d\n", txq->txq_len, n);
+ len += snprintf(buf+len, sizeof(buf)-len,
+ " stuck: %d\n", txq->txq_stuck);
}
if (len > sizeof(buf))
--
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