leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ath9k: Add TSFOOR interrupt stats in debug info

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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;
};
/**