From 2edb4583c6a581e1e48af259db2a2d467d11551d Mon Sep 17 00:00:00 2001
From: Sujith <Sujith.Manoharan@atheros.com>
Date: Fri, 14 May 2010 11:18:54 +0530
Subject: [PATCH] ath9k_htc: Add queue statistics to xmit debugfs file
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
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;
}
--
2.39.5