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/m_can/m_can.c | |
| 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/m_can/m_can.c')
| -rw-r--r-- | drivers/net/can/m_can/m_can.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index da551fd0f502..fff7432103cb 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -1483,7 +1483,7 @@ static netdev_tx_t m_can_tx_handler(struct m_can_classdev *cdev) M_CAN_FIFO_DATA(i / 4), *(u32 *)(cf->data + i)); - can_put_echo_skb(skb, dev, 0); + can_put_echo_skb(skb, dev, 0, 0); if (cdev->can.ctrlmode & CAN_CTRLMODE_FD) { cccr = m_can_read(cdev, M_CAN_CCCR); @@ -1554,7 +1554,7 @@ static netdev_tx_t m_can_tx_handler(struct m_can_classdev *cdev) /* Push loopback echo. * Will be looped back on TX interrupt based on message marker */ - can_put_echo_skb(skb, dev, putidx); + can_put_echo_skb(skb, dev, putidx, 0); /* Enable TX FIFO element to start transfer */ m_can_write(cdev, M_CAN_TXBAR, (1 << putidx)); |