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Date: Mon, 9 Sep 2013 09:25:13 +0200
From: Benedikt Spranger <b.spranger@...utronix.de>
To: netdev@...r.kernel.org
Cc: Alexander Frank <Alexander.Frank@...rspaecher.com>,
Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
Holger Dengler <dengler@...utronix.de>,
Benedikt Spranger <b.spranger@...utronix.de>
Subject: [PATCH 16/16] c_can: fix TX packet accounting
Due to the integration of the FlexCard support the TX stats accounting got
lost. Readd the accounting.
Signed-off-by: Benedikt Spranger <b.spranger@...utronix.de>
---
drivers/net/can/c_can/c_can.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c
index 92c1444..b409cf2 100644
--- a/drivers/net/can/c_can/c_can.c
+++ b/drivers/net/can/c_can/c_can.c
@@ -619,6 +619,7 @@ static netdev_tx_t c_can_start_xmit(struct sk_buff *skb,
u32 msg_obj_no;
struct c_can_priv *priv = netdev_priv(dev);
struct can_frame *frame = (struct can_frame *)skb->data;
+ struct net_device_stats *stats = &dev->stats;
int tx_fifo, txie_off;
if (can_dropped_invalid_skb(dev, skb))
@@ -664,6 +665,9 @@ static netdev_tx_t c_can_start_xmit(struct sk_buff *skb,
ctrl = readl(priv->base + FC_TXFIFO_CTRL);
ctrl |= FC_TXFIFO_CTRL_REQ;
writel(ctrl, priv->base + FC_TXFIFO_CTRL);
+
+ stats->tx_bytes += frame->can_dlc;
+ stats->tx_packets++;
kfree_skb(skb);
} else {
msg_obj_no = get_tx_next_msg_obj(priv);
@@ -672,6 +676,8 @@ static netdev_tx_t c_can_start_xmit(struct sk_buff *skb,
c_can_write_msg_object(dev, 0, frame, msg_obj_no, txie_off);
priv->tx_next++;
+ stats->tx_bytes += frame->can_dlc;
+ stats->tx_packets++;
can_put_echo_skb(skb, dev, msg_obj_no - C_CAN_MSG_OBJ_TX_FIRST);
/* we have to stop the queue in case of a wrap around or
* if the next TX message object is still in use
--
1.8.4.rc3
--
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