Return-path: Received: from mail.atheros.com ([12.19.149.2]:41410 "EHLO mail.atheros.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751581Ab1DVL5K (ORCPT ); Fri, 22 Apr 2011 07:57:10 -0400 Received: from mail.atheros.com ([10.10.20.108]) by sidewinder.atheros.com for ; Fri, 22 Apr 2011 04:56:43 -0700 From: Mohammed Shafi Shajakhan To: CC: , , , Mohammed Shafi Shajakhan Subject: [PATCH] ath9k: Add TSFOOR interrupt stats in debug info Date: Fri, 22 Apr 2011 17:27:01 +0530 Message-ID: <1303473421-2899-1-git-send-email-mshajakhan@atheros.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Mohammed Shafi Shajakhan 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 --- drivers/net/wireless/ath/ath9k/debug.c | 5 +++++ 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 34f191e..bad1a87 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 1f9f8ea..5488a32 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; }; /** -- 1.7.0.4