1 files changed, 9 insertions, 0 deletions

diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h
index 6992afc6ba7f..c05ff0f9f9a5 100644
--- a/include/linux/can/dev.h
+++ b/include/linux/can/dev.h
@@ -99,6 +99,12 @@ inval_skb:
         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 */
 u8 can_dlc2len(u8 can_dlc);
 
@@ -121,6 +127,9 @@ void unregister_candev(struct net_device *dev);
 int can_restart_now(struct net_device *dev);
 void can_bus_off(struct net_device *dev);
 
+void can_change_state(struct net_device *dev, struct can_frame *cf,
+                      enum can_state tx_state, enum can_state rx_state);
+
 void can_put_echo_skb(struct sk_buff *skb, struct net_device *dev,
                       unsigned int idx);
 unsigned int can_get_echo_skb(struct net_device *dev, unsigned int idx);