1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _UAPI_CAN_H 20 #define _UAPI_CAN_H 21 #include <linux/types.h> 22 #include <linux/socket.h> 23 #define CAN_EFF_FLAG 0x80000000U 24 #define CAN_RTR_FLAG 0x40000000U 25 #define CAN_ERR_FLAG 0x20000000U 26 #define CAN_SFF_MASK 0x000007FFU 27 #define CAN_EFF_MASK 0x1FFFFFFFU 28 #define CAN_ERR_MASK 0x1FFFFFFFU 29 typedef __u32 canid_t; 30 #define CAN_SFF_ID_BITS 11 31 #define CAN_EFF_ID_BITS 29 32 typedef __u32 can_err_mask_t; 33 #define CAN_MAX_DLC 8 34 #define CAN_MAX_DLEN 8 35 #define CANFD_MAX_DLC 15 36 #define CANFD_MAX_DLEN 64 37 struct can_frame { 38 canid_t can_id; 39 __u8 can_dlc; 40 __u8 __pad; 41 __u8 __res0; 42 __u8 __res1; 43 __u8 data[CAN_MAX_DLEN] __attribute__((aligned(8))); 44 }; 45 #define CANFD_BRS 0x01 46 #define CANFD_ESI 0x02 47 struct canfd_frame { 48 canid_t can_id; 49 __u8 len; 50 __u8 flags; 51 __u8 __res0; 52 __u8 __res1; 53 __u8 data[CANFD_MAX_DLEN] __attribute__((aligned(8))); 54 }; 55 #define CAN_MTU (sizeof(struct can_frame)) 56 #define CANFD_MTU (sizeof(struct canfd_frame)) 57 #define CAN_RAW 1 58 #define CAN_BCM 2 59 #define CAN_TP16 3 60 #define CAN_TP20 4 61 #define CAN_MCNET 5 62 #define CAN_ISOTP 6 63 #define CAN_NPROTO 7 64 #define SOL_CAN_BASE 100 65 struct sockaddr_can { 66 __kernel_sa_family_t can_family; 67 int can_ifindex; 68 union { 69 struct { 70 canid_t rx_id, tx_id; 71 } tp; 72 } can_addr; 73 }; 74 struct can_filter { 75 canid_t can_id; 76 canid_t can_mask; 77 }; 78 #define CAN_INV_FILTER 0x20000000U 79 #define CAN_RAW_FILTER_MAX 512 80 #endif 81
