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Commit 1f427dd9 authored by Ben Greear's avatar Ben Greear Committed by John W. Linville
Browse files

ath9k: Show some live tx-queue values in debugfs. 



I thought this might help track down stuck queues, etc.

Signed-off-by: default avatarBen Greear <greearb@candelatech.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent b305dae4

drivers/net/wireless/ath/ath9k/debug.c

+16 −0
Original line number Original line Diff line number Diff line
@@ -589,6 +589,16 @@ static const struct file_operations fops_wiphy = { 
		sc->debug.stats.txstats[WME_AC_VO].elem); \

		sc->debug.stats.txstats[WME_AC_VO].elem); \

} while(0)

} while(0)





#define PRX(str, elem)							\

do {									\

	len += snprintf(buf + len, size - len,				\

			"%s%13u%11u%10u%10u\n", str,			\

			(unsigned int)(sc->tx.txq[WME_AC_BE].elem),	\

			(unsigned int)(sc->tx.txq[WME_AC_BK].elem),	\

			(unsigned int)(sc->tx.txq[WME_AC_VI].elem),	\

			(unsigned int)(sc->tx.txq[WME_AC_VO].elem));	\

} while(0)



static ssize_t read_file_xmit(struct file *file, char __user *user_buf,

static ssize_t read_file_xmit(struct file *file, char __user *user_buf,

			      size_t count, loff_t *ppos)

			      size_t count, loff_t *ppos)

{

{
@@ -619,6 +629,12 @@ static ssize_t read_file_xmit(struct file *file, char __user *user_buf, 
	PR("TX-Pkts-All:     ", tx_pkts_all);

	PR("TX-Pkts-All:     ", tx_pkts_all);

	PR("TX-Bytes-All:    ", tx_bytes_all);

	PR("TX-Bytes-All:    ", tx_bytes_all);





	PRX("axq-qnum:        ", axq_qnum);

	PRX("axq-depth:       ", axq_depth);

	PRX("axq-stopped      ", stopped);

	PRX("tx-in-progress   ", axq_tx_inprogress);

	PRX("pending-frames   ", pending_frames);



	if (len > size)

	if (len > size)

		len = size;

		len = size;