mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-12 13:55:32 +00:00
can: length: canfd_sanitize_len(): add function to sanitize CAN-FD data length
The data field in CAN-FD frames have specifig frame length (0, 1, 2, 3, 4, 5, 6, 7, 8, 12, 16, 20, 24, 32, 48, 64). This function "rounds" up a given length to the next valid CAN-FD frame length. Reviewed-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr> Link: https://lore.kernel.org/r/20210111141930.693847-10-mkl@pengutronix.de Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
parent
652562e5ff
commit
99b7beb043
1 changed files with 6 additions and 0 deletions
|
@ -45,4 +45,10 @@ u8 can_fd_dlc2len(u8 dlc);
|
|||
/* map the sanitized data length to an appropriate data length code */
|
||||
u8 can_fd_len2dlc(u8 len);
|
||||
|
||||
/* map the data length to an appropriate data link layer length */
|
||||
static inline u8 canfd_sanitize_len(u8 len)
|
||||
{
|
||||
return can_fd_dlc2len(can_fd_len2dlc(len));
|
||||
}
|
||||
|
||||
#endif /* !_CAN_LENGTH_H */
|
||||
|
|
Loading…
Reference in a new issue