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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: Mohammed Shafi Shajakhan <mshajakhan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Mohammed Shafi Shajakhan 2011-04-22 17:27:01 +05:30 committed by John W. Linville
parent cedc7e3d0c
commit 6dde1aabf6
2 changed files with 9 additions and 0 deletions
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5
drivers/net/wireless/ath/ath9k/debug.c
View File

@ -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);

4
drivers/net/wireless/ath/ath9k/debug.h
View File

@ -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;
};
/**