Ben Cheng | 655a7c0 | 2013-10-16 16:09:24 -0700 | [diff] [blame] | 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 | ****************************************************************************/ |
Christopher Ferris | ba8d4f4 | 2014-09-03 19:56:49 -0700 | [diff] [blame] | 19 | #ifndef _UAPI_CAN_H |
| 20 | #define _UAPI_CAN_H |
Ben Cheng | 655a7c0 | 2013-10-16 16:09:24 -0700 | [diff] [blame] | 21 | #include <linux/types.h> |
| 22 | #include <linux/socket.h> |
Christopher Ferris | 6cd53a5 | 2022-12-12 23:39:16 +0000 | [diff] [blame] | 23 | #include <linux/stddef.h> |
Ben Cheng | 655a7c0 | 2013-10-16 16:09:24 -0700 | [diff] [blame] | 24 | #define CAN_EFF_FLAG 0x80000000U |
| 25 | #define CAN_RTR_FLAG 0x40000000U |
| 26 | #define CAN_ERR_FLAG 0x20000000U |
| 27 | #define CAN_SFF_MASK 0x000007FFU |
Ben Cheng | 655a7c0 | 2013-10-16 16:09:24 -0700 | [diff] [blame] | 28 | #define CAN_EFF_MASK 0x1FFFFFFFU |
| 29 | #define CAN_ERR_MASK 0x1FFFFFFFU |
Christopher Ferris | 6cd53a5 | 2022-12-12 23:39:16 +0000 | [diff] [blame] | 30 | #define CANXL_PRIO_MASK CAN_SFF_MASK |
Ben Cheng | 655a7c0 | 2013-10-16 16:09:24 -0700 | [diff] [blame] | 31 | typedef __u32 canid_t; |
| 32 | #define CAN_SFF_ID_BITS 11 |
Ben Cheng | 655a7c0 | 2013-10-16 16:09:24 -0700 | [diff] [blame] | 33 | #define CAN_EFF_ID_BITS 29 |
Christopher Ferris | 6cd53a5 | 2022-12-12 23:39:16 +0000 | [diff] [blame] | 34 | #define CANXL_PRIO_BITS CAN_SFF_ID_BITS |
Ben Cheng | 655a7c0 | 2013-10-16 16:09:24 -0700 | [diff] [blame] | 35 | typedef __u32 can_err_mask_t; |
| 36 | #define CAN_MAX_DLC 8 |
Christopher Ferris | 05667cd | 2021-02-16 16:01:34 -0800 | [diff] [blame] | 37 | #define CAN_MAX_RAW_DLC 15 |
Ben Cheng | 655a7c0 | 2013-10-16 16:09:24 -0700 | [diff] [blame] | 38 | #define CAN_MAX_DLEN 8 |
Ben Cheng | 655a7c0 | 2013-10-16 16:09:24 -0700 | [diff] [blame] | 39 | #define CANFD_MAX_DLC 15 |
| 40 | #define CANFD_MAX_DLEN 64 |
Christopher Ferris | 6cd53a5 | 2022-12-12 23:39:16 +0000 | [diff] [blame] | 41 | #define CANXL_MIN_DLC 0 |
| 42 | #define CANXL_MAX_DLC 2047 |
| 43 | #define CANXL_MAX_DLC_MASK 0x07FF |
| 44 | #define CANXL_MIN_DLEN 1 |
| 45 | #define CANXL_MAX_DLEN 2048 |
Ben Cheng | 655a7c0 | 2013-10-16 16:09:24 -0700 | [diff] [blame] | 46 | struct can_frame { |
Tao Bao | d7db594 | 2015-01-28 10:07:51 -0800 | [diff] [blame] | 47 | canid_t can_id; |
Christopher Ferris | 05667cd | 2021-02-16 16:01:34 -0800 | [diff] [blame] | 48 | union { |
| 49 | __u8 len; |
| 50 | __u8 can_dlc; |
Christopher Ferris | a9750ed | 2021-05-03 14:02:49 -0700 | [diff] [blame] | 51 | } __attribute__((packed)); |
Christopher Ferris | 05d08e9 | 2016-02-04 13:16:38 -0800 | [diff] [blame] | 52 | __u8 __pad; |
| 53 | __u8 __res0; |
Christopher Ferris | 05667cd | 2021-02-16 16:01:34 -0800 | [diff] [blame] | 54 | __u8 len8_dlc; |
Tao Bao | d7db594 | 2015-01-28 10:07:51 -0800 | [diff] [blame] | 55 | __u8 data[CAN_MAX_DLEN] __attribute__((aligned(8))); |
Ben Cheng | 655a7c0 | 2013-10-16 16:09:24 -0700 | [diff] [blame] | 56 | }; |
| 57 | #define CANFD_BRS 0x01 |
Ben Cheng | 655a7c0 | 2013-10-16 16:09:24 -0700 | [diff] [blame] | 58 | #define CANFD_ESI 0x02 |
Christopher Ferris | 3a39c0b | 2021-09-02 00:03:38 +0000 | [diff] [blame] | 59 | #define CANFD_FDF 0x04 |
Ben Cheng | 655a7c0 | 2013-10-16 16:09:24 -0700 | [diff] [blame] | 60 | struct canfd_frame { |
Tao Bao | d7db594 | 2015-01-28 10:07:51 -0800 | [diff] [blame] | 61 | canid_t can_id; |
| 62 | __u8 len; |
Tao Bao | d7db594 | 2015-01-28 10:07:51 -0800 | [diff] [blame] | 63 | __u8 flags; |
| 64 | __u8 __res0; |
| 65 | __u8 __res1; |
| 66 | __u8 data[CANFD_MAX_DLEN] __attribute__((aligned(8))); |
Ben Cheng | 655a7c0 | 2013-10-16 16:09:24 -0700 | [diff] [blame] | 67 | }; |
Christopher Ferris | 6cd53a5 | 2022-12-12 23:39:16 +0000 | [diff] [blame] | 68 | #define CANXL_XLF 0x80 |
| 69 | #define CANXL_SEC 0x01 |
| 70 | struct canxl_frame { |
| 71 | canid_t prio; |
| 72 | __u8 flags; |
| 73 | __u8 sdt; |
| 74 | __u16 len; |
| 75 | __u32 af; |
| 76 | __u8 data[CANXL_MAX_DLEN]; |
| 77 | }; |
Ben Cheng | 655a7c0 | 2013-10-16 16:09:24 -0700 | [diff] [blame] | 78 | #define CAN_MTU (sizeof(struct can_frame)) |
| 79 | #define CANFD_MTU (sizeof(struct canfd_frame)) |
Christopher Ferris | 6cd53a5 | 2022-12-12 23:39:16 +0000 | [diff] [blame] | 80 | #define CANXL_MTU (sizeof(struct canxl_frame)) |
| 81 | #define CANXL_HDR_SIZE (offsetof(struct canxl_frame, data)) |
| 82 | #define CANXL_MIN_MTU (CANXL_HDR_SIZE + 64) |
| 83 | #define CANXL_MAX_MTU CANXL_MTU |
Ben Cheng | 655a7c0 | 2013-10-16 16:09:24 -0700 | [diff] [blame] | 84 | #define CAN_RAW 1 |
Ben Cheng | 655a7c0 | 2013-10-16 16:09:24 -0700 | [diff] [blame] | 85 | #define CAN_BCM 2 |
| 86 | #define CAN_TP16 3 |
| 87 | #define CAN_TP20 4 |
| 88 | #define CAN_MCNET 5 |
Ben Cheng | 655a7c0 | 2013-10-16 16:09:24 -0700 | [diff] [blame] | 89 | #define CAN_ISOTP 6 |
Christopher Ferris | 9584fa4 | 2019-12-09 15:36:13 -0800 | [diff] [blame] | 90 | #define CAN_J1939 7 |
| 91 | #define CAN_NPROTO 8 |
Ben Cheng | 655a7c0 | 2013-10-16 16:09:24 -0700 | [diff] [blame] | 92 | #define SOL_CAN_BASE 100 |
| 93 | struct sockaddr_can { |
Tao Bao | d7db594 | 2015-01-28 10:07:51 -0800 | [diff] [blame] | 94 | __kernel_sa_family_t can_family; |
| 95 | int can_ifindex; |
| 96 | union { |
| 97 | struct { |
Tao Bao | d7db594 | 2015-01-28 10:07:51 -0800 | [diff] [blame] | 98 | canid_t rx_id, tx_id; |
| 99 | } tp; |
Christopher Ferris | 9584fa4 | 2019-12-09 15:36:13 -0800 | [diff] [blame] | 100 | struct { |
| 101 | __u64 name; |
| 102 | __u32 pgn; |
| 103 | __u8 addr; |
| 104 | } j1939; |
Tao Bao | d7db594 | 2015-01-28 10:07:51 -0800 | [diff] [blame] | 105 | } can_addr; |
Ben Cheng | 655a7c0 | 2013-10-16 16:09:24 -0700 | [diff] [blame] | 106 | }; |
| 107 | struct can_filter { |
Tao Bao | d7db594 | 2015-01-28 10:07:51 -0800 | [diff] [blame] | 108 | canid_t can_id; |
| 109 | canid_t can_mask; |
Ben Cheng | 655a7c0 | 2013-10-16 16:09:24 -0700 | [diff] [blame] | 110 | }; |
| 111 | #define CAN_INV_FILTER 0x20000000U |
Christopher Ferris | 6a9755d | 2017-01-13 14:09:31 -0800 | [diff] [blame] | 112 | #define CAN_RAW_FILTER_MAX 512 |
Ben Cheng | 655a7c0 | 2013-10-16 16:09:24 -0700 | [diff] [blame] | 113 | #endif |