diff options
| author |   Vincent Mailhol <mailhol.vincent@wanadoo.fr> | 2021-01-11 15:19:27 +0100 |
|---|---|---|
| committer |   Marc Kleine-Budde <mkl@pengutronix.de> | 2021-01-14 08:43:43 +0100 |
| commit | 1dcb6e57db833419483d0df2d956b1cc2a802683 (patch) | |
| tree | 74fb05db22febf0dcc26db16ce80e49da8933b4a /drivers/net/can/rcar | |
| parent | can: dev: extend struct can_skb_priv to hold CAN frame length (diff) | |
| download | linux-dev-1dcb6e57db833419483d0df2d956b1cc2a802683.tar.xz linux-dev-1dcb6e57db833419483d0df2d956b1cc2a802683.zip | |
can: dev: can_put_echo_skb(): extend to handle frame_len
Add a frame_len argument to can_put_echo_skb() which is used to save length of
the CAN frame into field frame_len of struct can_skb_priv so that it can be
later used after transmission completion. Convert all users of this function,
too.
Drivers which implement BQL call can_put_echo_skb() with the output of
can_skb_get_frame_len(skb) and drivers which do not simply pass zero as an
input (in the same way that NULL would be given to can_get_echo_skb()). This
way, we have a nice symmetry between the two echo functions.
Link: https://lore.kernel.org/r/20210111061335.39983-1-mailhol.vincent@wanadoo.fr
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Reviewed-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Link: https://lore.kernel.org/r/20210111141930.693847-13-mkl@pengutronix.de
Signed-off-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Diffstat (limited to 'drivers/net/can/rcar')
| -rw-r--r-- | drivers/net/can/rcar/rcar_can.c | 2 | ||||
| -rw-r--r-- | drivers/net/can/rcar/rcar_canfd.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/can/rcar/rcar_can.c b/drivers/net/can/rcar/rcar_can.c index c803327f8f79..0b7e488bc4fe 100644 --- a/drivers/net/can/rcar/rcar_can.c +++ b/drivers/net/can/rcar/rcar_can.c @@ -617,7 +617,7 @@ static netdev_tx_t rcar_can_start_xmit(struct sk_buff *skb, writeb(cf->len, &priv->regs->mb[RCAR_CAN_TX_FIFO_MBX].dlc); priv->tx_dlc[priv->tx_head % RCAR_CAN_FIFO_DEPTH] = cf->len; - can_put_echo_skb(skb, ndev, priv->tx_head % RCAR_CAN_FIFO_DEPTH); + can_put_echo_skb(skb, ndev, priv->tx_head % RCAR_CAN_FIFO_DEPTH, 0); priv->tx_head++; /* Start Tx: write 0xff to the TFPCR register to increment * the CPU-side pointer for the transmit FIFO to the next diff --git a/drivers/net/can/rcar/rcar_canfd.c b/drivers/net/can/rcar/rcar_canfd.c index 2778ed5c61d1..38376f29bc56 100644 --- a/drivers/net/can/rcar/rcar_canfd.c +++ b/drivers/net/can/rcar/rcar_canfd.c @@ -1390,7 +1390,7 @@ static netdev_tx_t rcar_canfd_start_xmit(struct sk_buff *skb, } priv->tx_len[priv->tx_head % RCANFD_FIFO_DEPTH] = cf->len; - can_put_echo_skb(skb, ndev, priv->tx_head % RCANFD_FIFO_DEPTH); + can_put_echo_skb(skb, ndev, priv->tx_head % RCANFD_FIFO_DEPTH, 0); spin_lock_irqsave(&priv->tx_lock, flags); priv->tx_head++; |