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Commit 6dde1aab authored by Mohammed Shafi Shajakhan's avatar Mohammed Shafi Shajakhan Committed by John W. Linville
Browse files

ath9k: Add TSFOOR interrupt stats in debug info 



This helped the developers to fix an issue of chip not entering network
sleep during idle state, previously this was only available as a debug
message

Signed-off-by: default avatarMohammed Shafi Shajakhan <mshajakhan@atheros.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent cedc7e3d

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

+5 −0
Original line number Diff line number Diff line
@@ -326,6 +326,8 @@ void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status) 
		sc->debug.stats.istats.dtimsync++;

	if (status & ATH9K_INT_DTIM)

		sc->debug.stats.istats.dtim++;

	if (status & ATH9K_INT_TSFOOR)

		sc->debug.stats.istats.tsfoor++;

}



static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
@@ -379,9 +381,12 @@ static ssize_t read_file_interrupt(struct file *file, char __user *user_buf, 
		"%8s: %10u\n", "DTIMSYNC", sc->debug.stats.istats.dtimsync);

	len += snprintf(buf + len, sizeof(buf) - len,

		"%8s: %10u\n", "DTIM", sc->debug.stats.istats.dtim);

	len += snprintf(buf + len, sizeof(buf) - len,

		"%8s: %10u\n", "TSFOOR", sc->debug.stats.istats.tsfoor);

	len += snprintf(buf + len, sizeof(buf) - len,

		"%8s: %10u\n", "TOTAL", sc->debug.stats.istats.total);





	if (len > sizeof(buf))

		len = sizeof(buf);

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

+4 −0
Original line number Diff line number Diff line
@@ -54,6 +54,9 @@ struct ath_buf; 
 * @dtimsync: DTIM sync lossage

 * @dtim: RX Beacon with DTIM

 * @bb_watchdog: Baseband watchdog

 * @tsfoor: TSF out of range, indicates that the corrected TSF received

 * from a beacon differs from the PCU's internal TSF by more than a

 * (programmable) threshold

 */

struct ath_interrupt_stats {

	u32 total;
@@ -78,6 +81,7 @@ struct ath_interrupt_stats { 
	u32 dtimsync;

	u32 dtim;

	u32 bb_watchdog;

	u32 tsfoor;

};



/**