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Commit 923e5b3d authored by Bruno Randolf's avatar Bruno Randolf Committed by John W. Linville
Browse files

ath5k: Count how many times a queue got stuck 



Add a counter to show how many times a queue got stuck in the debugfs queue
file.

Signed-off-by: default avatarBruno Randolf <br1@einfach.org>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 4edd761f

drivers/net/wireless/ath/ath5k/base.c

+2 −0
Original line number Diff line number Diff line
@@ -892,6 +892,7 @@ 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];

}
@@ -2193,6 +2194,7 @@ 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 {

drivers/net/wireless/ath/ath5k/base.h

+1 −0
Original line number Diff line number Diff line
@@ -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

drivers/net/wireless/ath/ath5k/debug.c

+2 −0
Original line number Diff line number Diff line
@@ -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))