Commit 98e69016 authored by Dong Aisheng's avatar Dong Aisheng Committed by Marc Kleine-Budde

can: dev: add can_is_canfd_skb() API

The CAN device drivers can use can_is_canfd_skb() to check if the frame to send
is on CAN FD mode or normal CAN mode.
Acked-by: default avatarOliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: default avatarDong Aisheng <b29396@freescale.com>
Signed-off-by: default avatarMarc Kleine-Budde <mkl@pengutronix.de>
parent 67b5909e
...@@ -99,6 +99,12 @@ static inline int can_dropped_invalid_skb(struct net_device *dev, ...@@ -99,6 +99,12 @@ static inline int can_dropped_invalid_skb(struct net_device *dev,
return 1; return 1;
} }
static inline bool can_is_canfd_skb(const struct sk_buff *skb)
{
/* the CAN specific type of skb is identified by its data length */
return skb->len == CANFD_MTU;
}
/* get data length from can_dlc with sanitized can_dlc */ /* get data length from can_dlc with sanitized can_dlc */
u8 can_dlc2len(u8 can_dlc); u8 can_dlc2len(u8 can_dlc);
......
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