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Message-ID: <20240806074731.1905378-10-mkl@pengutronix.de>
Date: Tue, 6 Aug 2024 09:42:00 +0200
From: Marc Kleine-Budde <mkl@...gutronix.de>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net,
kuba@...nel.org,
linux-can@...r.kernel.org,
kernel@...gutronix.de,
Jimmy Assarsson <extja@...ser.com>,
Vincent Mailhol <mailhol.vincent@...adoo.fr>,
Marc Kleine-Budde <mkl@...gutronix.de>
Subject: [PATCH net-next 09/20] can: kvaser_usb: hydra: Set hardware timestamp on transmitted packets
From: Jimmy Assarsson <extja@...ser.com>
Set hardware timestamp on transmitted packets.
Signed-off-by: Jimmy Assarsson <extja@...ser.com>
Reviewed-by: Vincent Mailhol <mailhol.vincent@...adoo.fr>
Link: https://lore.kernel.org/all/20240701154936.92633-5-extja@kvaser.com
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
---
drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c b/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c
index f102f9de7d16..3764b263add3 100644
--- a/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c
+++ b/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c
@@ -10,7 +10,6 @@
* - Transition from CAN_STATE_ERROR_WARNING to CAN_STATE_ERROR_ACTIVE is only
* reported after a call to do_get_berr_counter(), since firmware does not
* distinguish between ERROR_WARNING and ERROR_ACTIVE.
- * - Hardware timestamps are not set for CAN Tx frames.
*/
#include <linux/completion.h>
@@ -1187,6 +1186,7 @@ static void kvaser_usb_hydra_tx_acknowledge(const struct kvaser_usb *dev,
bool one_shot_fail = false;
bool is_err_frame = false;
u16 transid = kvaser_usb_hydra_get_cmd_transid(cmd);
+ struct sk_buff *skb;
priv = kvaser_usb_hydra_net_priv_from_cmd(dev, cmd);
if (!priv)
@@ -1213,6 +1213,9 @@ static void kvaser_usb_hydra_tx_acknowledge(const struct kvaser_usb *dev,
spin_lock_irqsave(&priv->tx_contexts_lock, irq_flags);
+ skb = priv->can.echo_skb[context->echo_index];
+ if (skb)
+ skb_hwtstamps(skb)->hwtstamp = kvaser_usb_hydra_ktime_from_cmd(dev->cfg, cmd);
len = can_get_echo_skb(priv->netdev, context->echo_index, NULL);
context->echo_index = dev->max_tx_urbs;
--priv->active_tx_contexts;
--
2.43.0
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