diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/can.h')
| -rw-r--r-- | ANDROID_3.4.5/include/linux/can.h | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/ANDROID_3.4.5/include/linux/can.h b/ANDROID_3.4.5/include/linux/can.h deleted file mode 100644 index 9a19bcb3..00000000 --- a/ANDROID_3.4.5/include/linux/can.h +++ /dev/null @@ -1,109 +0,0 @@ -/* - * linux/can.h - * - * Definitions for CAN network layer (socket addr / CAN frame / CAN filter) - * - * Authors: Oliver Hartkopp <oliver.hartkopp@volkswagen.de> - * Urs Thuermann <urs.thuermann@volkswagen.de> - * Copyright (c) 2002-2007 Volkswagen Group Electronic Research - * All rights reserved. - * - */ - -#ifndef CAN_H -#define CAN_H - -#include <linux/types.h> -#include <linux/socket.h> - -/* controller area network (CAN) kernel definitions */ - -/* special address description flags for the CAN_ID */ -#define CAN_EFF_FLAG 0x80000000U /* EFF/SFF is set in the MSB */ -#define CAN_RTR_FLAG 0x40000000U /* remote transmission request */ -#define CAN_ERR_FLAG 0x20000000U /* error frame */ - -/* valid bits in CAN ID for frame formats */ -#define CAN_SFF_MASK 0x000007FFU /* standard frame format (SFF) */ -#define CAN_EFF_MASK 0x1FFFFFFFU /* extended frame format (EFF) */ -#define CAN_ERR_MASK 0x1FFFFFFFU /* omit EFF, RTR, ERR flags */ - -/* - * Controller Area Network Identifier structure - * - * bit 0-28 : CAN identifier (11/29 bit) - * bit 29 : error frame flag (0 = data frame, 1 = error frame) - * bit 30 : remote transmission request flag (1 = rtr frame) - * bit 31 : frame format flag (0 = standard 11 bit, 1 = extended 29 bit) - */ -typedef __u32 canid_t; - -/* - * Controller Area Network Error Frame Mask structure - * - * bit 0-28 : error class mask (see include/linux/can/error.h) - * bit 29-31 : set to zero - */ -typedef __u32 can_err_mask_t; - -/** - * struct can_frame - basic CAN frame structure - * @can_id: the CAN ID of the frame and CAN_*_FLAG flags, see above. - * @can_dlc: the data length field of the CAN frame - * @data: the CAN frame payload. - */ -struct can_frame { - canid_t can_id; /* 32 bit CAN_ID + EFF/RTR/ERR flags */ - __u8 can_dlc; /* data length code: 0 .. 8 */ - __u8 data[8] __attribute__((aligned(8))); -}; - -/* particular protocols of the protocol family PF_CAN */ -#define CAN_RAW 1 /* RAW sockets */ -#define CAN_BCM 2 /* Broadcast Manager */ -#define CAN_TP16 3 /* VAG Transport Protocol v1.6 */ -#define CAN_TP20 4 /* VAG Transport Protocol v2.0 */ -#define CAN_MCNET 5 /* Bosch MCNet */ -#define CAN_ISOTP 6 /* ISO 15765-2 Transport Protocol */ -#define CAN_NPROTO 7 - -#define SOL_CAN_BASE 100 - -/** - * struct sockaddr_can - the sockaddr structure for CAN sockets - * @can_family: address family number AF_CAN. - * @can_ifindex: CAN network interface index. - * @can_addr: protocol specific address information - */ -struct sockaddr_can { - __kernel_sa_family_t can_family; - int can_ifindex; - union { - /* transport protocol class address information (e.g. ISOTP) */ - struct { canid_t rx_id, tx_id; } tp; - - /* reserved for future CAN protocols address information */ - } can_addr; -}; - -/** - * struct can_filter - CAN ID based filter in can_register(). - * @can_id: relevant bits of CAN ID which are not masked out. - * @can_mask: CAN mask (see description) - * - * Description: - * A filter matches, when - * - * <received_can_id> & mask == can_id & mask - * - * The filter can be inverted (CAN_INV_FILTER bit set in can_id) or it can - * filter for error frames (CAN_ERR_FLAG bit set in mask). - */ -struct can_filter { - canid_t can_id; - canid_t can_mask; -}; - -#define CAN_INV_FILTER 0x20000000U /* to be set in can_filter.can_id */ - -#endif /* CAN_H */ |