ath9k_htc: Add queue statistics to xmit debugfs file (2edb4583) · Commits · 戴 / test

drivers/net/wireless/ath/ath9k/htc.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -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 −0

Original line number	Diff line number	Diff line
		@@ -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 −0

Original line number	Diff line number	Diff line
		@@ -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;
		}