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| author | Mohammed Shafi Shajakhan <mshajakhan@atheros.com> | 2011-04-22 17:27:01 +0530 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-04-25 14:50:20 -0400 |
| commit | 6dde1aabf6759848512f19d76b89ee473584c46a (patch) | |
| tree | 61fb3040f5173aa67c3d07d06cd8f2604602706d /drivers/net/wireless | |
| parent | cedc7e3d0c847d602d2970120d0e4cca72f364a4 (diff) | |
| download | linux-stable-6dde1aabf6759848512f19d76b89ee473584c46a.tar.gz linux-stable-6dde1aabf6759848512f19d76b89ee473584c46a.tar.bz2 linux-stable-6dde1aabf6759848512f19d76b89ee473584c46a.zip | |
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>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/debug.c | 5 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/debug.h | 4 |
2 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index 34f191ec8e8c..bad1a87249b6 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -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, @@ -380,8 +382,11 @@ static ssize_t read_file_interrupt(struct file *file, char __user *user_buf, 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); diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h index 1f9f8eada465..5488a324cc10 100644 --- a/drivers/net/wireless/ath/ath9k/debug.h +++ b/drivers/net/wireless/ath/ath9k/debug.h @@ -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; }; /** |