[PATCH 07/11] rtlwifi: Add TX/RX throughput statistics in period

[Larry Finger]

From: Ping-Ke Shih <pks...@realtek.com>

The statistic variables use u64 to get higher precision.

Signed-off-by: Ping-Ke Shih <pks...@realtek.com>
Signed-off-by: Larry Finger <larry.fin...@lwfinger.net>
Cc: Yan-Hsuan Chuang <yhchu...@realtek.com>
Cc: Birming Chiu <birm...@realtek.com>
Cc: Shaofu <sha...@realtek.com>
Cc: Steven Ting <stevent...@realtek.com>
---
 drivers/net/wireless/realtek/rtlwifi/base.c | 16 ++++++++++++++++
 drivers/net/wireless/realtek/rtlwifi/wifi.h | 15 +++++++++++----
 2 files changed, 27 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtlwifi/base.c 
b/drivers/net/wireless/realtek/rtlwifi/base.c
index 5e9e25a4ba3d..61cb7bb714fa 100644
--- a/drivers/net/wireless/realtek/rtlwifi/base.c
+++ b/drivers/net/wireless/realtek/rtlwifi/base.c
@@ -1999,6 +1999,22 @@ void rtl_watchdog_wq_callback(void *data)
        rtlpriv->link_info.tx_busy_traffic = tx_busy_traffic;
        rtlpriv->link_info.higher_busyrxtraffic = higher_busyrxtraffic;
 
+       rtlpriv->stats.txbytesunicast_inperiod =
+               rtlpriv->stats.txbytesunicast -
+               rtlpriv->stats.txbytesunicast_last;
+       rtlpriv->stats.rxbytesunicast_inperiod =
+               rtlpriv->stats.rxbytesunicast -
+               rtlpriv->stats.rxbytesunicast_last;
+       rtlpriv->stats.txbytesunicast_last = rtlpriv->stats.txbytesunicast;
+       rtlpriv->stats.rxbytesunicast_last = rtlpriv->stats.rxbytesunicast;
+
+       rtlpriv->stats.txbytesunicast_inperiod_tp =
+               (u32)(rtlpriv->stats.txbytesunicast_inperiod * 8 / 2 /
+               1024 / 1024);
+       rtlpriv->stats.rxbytesunicast_inperiod_tp =
+               (u32)(rtlpriv->stats.rxbytesunicast_inperiod * 8 / 2 /
+               1024 / 1024);
+
        /* <3> DM */
        if (!rtlpriv->cfg->mod_params->disable_watchdog)
                rtlpriv->cfg->ops->dm_watchdog(hw);
diff --git a/drivers/net/wireless/realtek/rtlwifi/wifi.h 
b/drivers/net/wireless/realtek/rtlwifi/wifi.h
index 90f3c019bc04..8d8e104507d6 100644
--- a/drivers/net/wireless/realtek/rtlwifi/wifi.h
+++ b/drivers/net/wireless/realtek/rtlwifi/wifi.h
@@ -1013,10 +1013,17 @@ struct init_gain {
 };
 
 struct wireless_stats {
-       unsigned long txbytesunicast;
-       unsigned long txbytesmulticast;
-       unsigned long txbytesbroadcast;
-       unsigned long rxbytesunicast;
+       u64 txbytesunicast;
+       u64 txbytesmulticast;
+       u64 txbytesbroadcast;
+       u64 rxbytesunicast;
+
+       u64 txbytesunicast_inperiod;
+       u64 rxbytesunicast_inperiod;
+       u32 txbytesunicast_inperiod_tp;
+       u32 rxbytesunicast_inperiod_tp;
+       u64 txbytesunicast_last;
+       u64 rxbytesunicast_last;
 
        long rx_snr_db[4];
        /*Correct smoothed ss in Dbm, only used
-- 
2.12.3