diff options
Diffstat (limited to 'include/linux/can/can-ml.h')
| -rw-r--r-- | include/linux/can/can-ml.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/linux/can/can-ml.h b/include/linux/can/can-ml.h index 8afa92d15a66..1e99fda2b380 100644 --- a/include/linux/can/can-ml.h +++ b/include/linux/can/can-ml.h @@ -46,6 +46,12 @@ #include <linux/list.h> #include <linux/netdevice.h> +/* exposed CAN device capabilities for network layer */ +#define CAN_CAP_CC BIT(0) /* CAN CC aka Classical CAN */ +#define CAN_CAP_FD BIT(1) /* CAN FD */ +#define CAN_CAP_XL BIT(2) /* CAN XL */ +#define CAN_CAP_RO BIT(3) /* read-only mode (LISTEN/RESTRICTED) */ + #define CAN_SFF_RCV_ARRAY_SZ (1 << CAN_SFF_ID_BITS) #define CAN_EFF_RCV_HASH_BITS 10 #define CAN_EFF_RCV_ARRAY_SZ (1 << CAN_EFF_RCV_HASH_BITS) @@ -64,6 +70,7 @@ struct can_ml_priv { #ifdef CAN_J1939 struct j1939_priv *j1939_priv; #endif + u32 can_cap; }; static inline struct can_ml_priv *can_get_ml_priv(struct net_device *dev) @@ -77,4 +84,21 @@ static inline void can_set_ml_priv(struct net_device *dev, netdev_set_ml_priv(dev, ml_priv, ML_PRIV_CAN); } +static inline bool can_cap_enabled(struct net_device *dev, u32 cap) +{ + struct can_ml_priv *can_ml = can_get_ml_priv(dev); + + if (!can_ml) + return false; + + return (can_ml->can_cap & cap); +} + +static inline void can_set_cap(struct net_device *dev, u32 cap) +{ + struct can_ml_priv *can_ml = can_get_ml_priv(dev); + + can_ml->can_cap = cap; +} + #endif /* CAN_ML_H */ |