From 2edb4583c6a581e1e48af259db2a2d467d11551d Mon Sep 17 00:00:00 2001 From: Sujith Date: Fri, 14 May 2010 11:18:54 +0530 Subject: [PATCH] ath9k_htc: Add queue statistics to xmit debugfs file Signed-off-by: Sujith Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/htc.h | 3 +++ drivers/net/wireless/ath/ath9k/htc_drv_main.c | 13 +++++++++++++ drivers/net/wireless/ath/ath9k/htc_drv_txrx.c | 4 ++++ 3 files changed, 20 insertions(+) diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h index c251603ab032..351c4a44c984 100644 --- a/drivers/net/wireless/ath/ath9k/htc.h +++ b/drivers/net/wireless/ath/ath9k/htc.h @@ -257,12 +257,15 @@ struct ath9k_htc_tx_ctl { #define TX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.tx_stats.c++) #define RX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.rx_stats.c++) +#define TX_QSTAT_INC(q) (priv->debug.tx_stats.queue_stats[q]++) + struct ath_tx_stats { u32 buf_queued; u32 buf_completed; u32 skb_queued; u32 skb_completed; u32 skb_dropped; + u32 queue_stats[WME_NUM_AC]; }; struct ath_rx_stats { diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c index 9d371c18eb41..cf1112be2a9a 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c @@ -617,6 +617,19 @@ static ssize_t read_file_xmit(struct file *file, char __user *user_buf, "%20s : %10u\n", "SKBs dropped", priv->debug.tx_stats.skb_dropped); + len += snprintf(buf + len, sizeof(buf) - len, + "%20s : %10u\n", "BE queued", + priv->debug.tx_stats.queue_stats[WME_AC_BE]); + len += snprintf(buf + len, sizeof(buf) - len, + "%20s : %10u\n", "BK queued", + priv->debug.tx_stats.queue_stats[WME_AC_BK]); + len += snprintf(buf + len, sizeof(buf) - len, + "%20s : %10u\n", "VI queued", + priv->debug.tx_stats.queue_stats[WME_AC_VI]); + len += snprintf(buf + len, sizeof(buf) - len, + "%20s : %10u\n", "VO queued", + priv->debug.tx_stats.queue_stats[WME_AC_VO]); + return simple_read_from_buffer(user_buf, count, ppos, buf, len); } diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c index 2571b443ac82..09ff8f1a68e0 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c @@ -135,16 +135,20 @@ int ath9k_htc_tx_start(struct ath9k_htc_priv *priv, struct sk_buff *skb) switch (hw_qnum) { case 0: + TX_QSTAT_INC(WME_AC_BE); epid = priv->data_be_ep; break; case 2: + TX_QSTAT_INC(WME_AC_VI); epid = priv->data_vi_ep; break; case 3: + TX_QSTAT_INC(WME_AC_VO); epid = priv->data_vo_ep; break; case 1: default: + TX_QSTAT_INC(WME_AC_BK); epid = priv->data_bk_ep; break; } -- 2.30.2