can: skb: add skb CAN frame data length helpers
authorOliver Hartkopp <socketcan@hartkopp.net>
Mon, 12 Sep 2022 17:07:20 +0000 (19:07 +0200)
committerMarc Kleine-Budde <mkl@pengutronix.de>
Thu, 15 Sep 2022 07:08:08 +0000 (09:08 +0200)
commit467ef4c7b9d1c22ee64342804bf92549d765df14
tree9d8fc4832f3658d85761bc85f2166b1731ded134
parent96a7457a14d9cf98cf58de1e26c03180e0f28141
can: skb: add skb CAN frame data length helpers

Add two helpers to retrieve the data length from CAN sk_buffs and prepare
the length information to be a uint16 value for the CAN XL support.

Acked-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Link: https://lore.kernel.org/all/20220912170725.120748-3-socketcan@hartkopp.net
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
drivers/net/can/dev/rx-offload.c
drivers/net/can/dev/skb.c
include/linux/can/skb.h