Return-path: Received: from mail.atheros.com ([12.36.123.2]:19348 "EHLO mail.atheros.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752131AbZBDCoD (ORCPT ); Tue, 3 Feb 2009 21:44:03 -0500 Received: from mail.atheros.com ([10.10.20.108]) by sidewinder.atheros.com for ; Tue, 03 Feb 2009 18:44:03 -0800 From: Sujith MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Message-ID: <18825.26.863392.575020@gargle.gargle.HOWL> (sfid-20090204_034413_742399_8BEBD4A4) Date: Wed, 4 Feb 2009 08:10:26 +0530 To: CC: , , Subject: [PATCH 4/4] ath9k: Add retry counters to rate control debug file Sender: linux-wireless-owner@vger.kernel.org List-ID: Signed-off-by: Sujith --- drivers/net/wireless/ath9k/core.h | 9 +++++++++ drivers/net/wireless/ath9k/debug.c | 23 +++++++++++++++++++---- drivers/net/wireless/ath9k/rc.c | 2 ++ 3 files changed, 30 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h index 63d3eb6..64fc5c2 100644 --- a/drivers/net/wireless/ath9k/core.h +++ b/drivers/net/wireless/ath9k/core.h @@ -137,6 +137,8 @@ struct ath_legacy_rc_stats { struct ath_11n_rc_stats { u32 success; + u32 retries; + u32 xretries; }; struct ath_stats { @@ -160,6 +162,8 @@ int ath9k_init_debug(struct ath_softc *sc); void ath9k_exit_debug(struct ath_softc *sc); void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status); void ath_debug_stat_rc(struct ath_softc *sc, struct sk_buff *skb); +void ath_debug_stat_retries(struct ath_softc *sc, int rix, + int xretries, int retries); #else @@ -187,6 +191,11 @@ static inline void ath_debug_stat_rc(struct ath_softc *sc, { } +static inline void ath_debug_stat_retries(struct ath_softc *sc, int rix, + int xretries, int retries) +{ +} + #endif /* CONFIG_ATH9K_DEBUG */ struct ath_config { diff --git a/drivers/net/wireless/ath9k/debug.c b/drivers/net/wireless/ath9k/debug.c index 6181e49..2de1b8a 100644 --- a/drivers/net/wireless/ath9k/debug.c +++ b/drivers/net/wireless/ath9k/debug.c @@ -258,21 +258,36 @@ void ath_debug_stat_rc(struct ath_softc *sc, struct sk_buff *skb) ath_debug_stat_legacy_rc(sc, skb); } +/* FIXME: legacy rates, later on .. */ +void ath_debug_stat_retries(struct ath_softc *sc, int rix, + int xretries, int retries) +{ + if (conf_is_ht(&sc->hw->conf)) { + int idx = sc->cur_rate_table->info[rix].dot11rate; + + sc->sc_debug.stats.n_rcstats[idx].xretries += xretries; + sc->sc_debug.stats.n_rcstats[idx].retries += retries; + } +} + static ssize_t ath_read_file_stat_11n_rc(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct ath_softc *sc = file->private_data; - char buf[512]; + char buf[1024]; unsigned int len = 0; int i = 0; - len += sprintf(buf, "%7s %13s\n\n", "Rate", "Success"); + len += sprintf(buf, "%7s %13s %8s %8s\n\n", "Rate", "Success", + "Retries", "XRetries"); for (i = 0; i <= 15; i++) { len += snprintf(buf + len, sizeof(buf) - len, - "%5s%3d: %8u\n", "MCS", i, - sc->sc_debug.stats.n_rcstats[i].success); + "%5s%3d: %8u %8u %8u\n", "MCS", i, + sc->sc_debug.stats.n_rcstats[i].success, + sc->sc_debug.stats.n_rcstats[i].retries, + sc->sc_debug.stats.n_rcstats[i].xretries); } return simple_read_from_buffer(user_buf, count, ppos, buf, len); diff --git a/drivers/net/wireless/ath9k/rc.c b/drivers/net/wireless/ath9k/rc.c index 704b627..69a4ca4 100644 --- a/drivers/net/wireless/ath9k/rc.c +++ b/drivers/net/wireless/ath9k/rc.c @@ -1267,6 +1267,8 @@ static void ath_rc_update_ht(struct ath_softc *sc, ath_rc_priv->per_down_time = now_msec; } + ath_debug_stat_retries(sc, tx_rate, xretries, retries); + #undef CHK_RSSI } -- 1.6.1