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53 #include <linux/types.h>
55 #define ETH_P_CAN 0x000c
57 /* special address description flags for the CAN_ID */
58 #define CAN_EFF_FLAG 0x80000000U /* EFF/SFF is set in the MSB */
59 #define CAN_RTR_FLAG 0x40000000U /* remote transmission request */
61 /* valid bits in CAN ID for frame formats */
62 #define CAN_SFF_MASK 0x000007FFU /* standard frame format (SFF) */
63 #define CAN_EFF_MASK 0x1FFFFFFFU /* extended frame format (EFF) */
65 typedef __u32 canid_t;
68 canid_t can_id; /* 32 bit CAN_ID + EFF/RTR flags */
69 __u8 can_dlc; /* data length code: 0 .. 8 */
70 __u8 data[8] __attribute__ ((aligned(8)));