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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>
This commit is contained in:
Sujith 2010-05-14 11:18:54 +05:30 committed by John W. Linville
parent 6473d24d5b
commit 2edb4583c6
3 changed files with 20 additions and 0 deletions
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3
drivers/net/wireless/ath/ath9k/htc.h
View File

@ -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 {

13
drivers/net/wireless/ath/ath9k/htc_drv_main.c
View File

@ -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);
}

4
drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
View File

@ -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;
}