From c4a110d85308a04f5a106a3a0bc5d3fd983d8a6f Mon Sep 17 00:00:00 2001 From: Vladimir Kondratiev Date: Tue, 9 Jun 2015 14:11:18 +0300 Subject: [PATCH] wil6210: add per-MCS Rx stats Provide detailed statistics for the Rx frames per MCS Statistics printed in "stations" debugfs entry Signed-off-by: Vladimir Kondratiev Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/debugfs.c | 8 +++++++- drivers/net/wireless/ath/wil6210/txrx.c | 2 ++ drivers/net/wireless/ath/wil6210/wil6210.h | 2 ++ 3 files changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c index 8f9c072..75219a1b 100644 --- a/drivers/net/wireless/ath/wil6210/debugfs.c +++ b/drivers/net/wireless/ath/wil6210/debugfs.c @@ -1360,7 +1360,7 @@ static int wil_sta_debugfs_show(struct seq_file *s, void *data) __acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock) { struct wil6210_priv *wil = s->private; - int i, tid; + int i, tid, mcs; for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { struct wil_sta_info *p = &wil->sta[i]; @@ -1390,6 +1390,12 @@ __acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock) } } spin_unlock_bh(&p->tid_rx_lock); + seq_puts(s, "Rx/MCS:"); + for (mcs = 0; mcs < ARRAY_SIZE(p->stats.rx_per_mcs); + mcs++) + seq_printf(s, " %lld", + p->stats.rx_per_mcs[mcs]); + seq_puts(s, "\n"); } } diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c index 0113dac..aa20af8 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.c +++ b/drivers/net/wireless/ath/wil6210/txrx.c @@ -427,6 +427,8 @@ static struct sk_buff *wil_vring_reap_rx(struct wil6210_priv *wil, cid = wil_rxdesc_cid(d); stats = &wil->sta[cid].stats; stats->last_mcs_rx = wil_rxdesc_mcs(d); + if (stats->last_mcs_rx < ARRAY_SIZE(stats->rx_per_mcs)) + stats->rx_per_mcs[stats->last_mcs_rx]++; /* use radiotap header only if required */ if (ndev->type == ARPHRD_IEEE80211_RADIOTAP) diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index ea0163c..c39369f 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -464,6 +464,7 @@ enum wil_sta_status { }; #define WIL_STA_TID_NUM (16) +#define WIL_MCS_MAX (12) /* Maximum MCS supported */ struct wil_net_stats { unsigned long rx_packets; @@ -473,6 +474,7 @@ struct wil_net_stats { unsigned long tx_errors; unsigned long rx_dropped; u16 last_mcs_rx; + u64 rx_per_mcs[WIL_MCS_MAX + 1]; }; /** -- 2.7.4