|  | /* | 
|  | * linux/can/bcm.h | 
|  | * | 
|  | * Definitions for CAN Broadcast Manager (BCM) | 
|  | * | 
|  | * Author: Oliver Hartkopp <oliver.hartkopp@volkswagen.de> | 
|  | * Copyright (c) 2002-2007 Volkswagen Group Electronic Research | 
|  | * All rights reserved. | 
|  | * | 
|  | */ | 
|  |  | 
|  | #ifndef CAN_BCM_H | 
|  | #define CAN_BCM_H | 
|  |  | 
|  | #include <linux/types.h> | 
|  | #include <linux/can.h> | 
|  |  | 
|  | /** | 
|  | * struct bcm_msg_head - head of messages to/from the broadcast manager | 
|  | * @opcode:    opcode, see enum below. | 
|  | * @flags:     special flags, see below. | 
|  | * @count:     number of frames to send before changing interval. | 
|  | * @ival1:     interval for the first @count frames. | 
|  | * @ival2:     interval for the following frames. | 
|  | * @can_id:    CAN ID of frames to be sent or received. | 
|  | * @nframes:   number of frames appended to the message head. | 
|  | * @frames:    array of CAN frames. | 
|  | */ | 
|  | struct bcm_msg_head { | 
|  | __u32 opcode; | 
|  | __u32 flags; | 
|  | __u32 count; | 
|  | struct timeval ival1, ival2; | 
|  | canid_t can_id; | 
|  | __u32 nframes; | 
|  | struct can_frame frames[0]; | 
|  | }; | 
|  |  | 
|  | enum { | 
|  | TX_SETUP = 1,	/* create (cyclic) transmission task */ | 
|  | TX_DELETE,	/* remove (cyclic) transmission task */ | 
|  | TX_READ,	/* read properties of (cyclic) transmission task */ | 
|  | TX_SEND,	/* send one CAN frame */ | 
|  | RX_SETUP,	/* create RX content filter subscription */ | 
|  | RX_DELETE,	/* remove RX content filter subscription */ | 
|  | RX_READ,	/* read properties of RX content filter subscription */ | 
|  | TX_STATUS,	/* reply to TX_READ request */ | 
|  | TX_EXPIRED,	/* notification on performed transmissions (count=0) */ | 
|  | RX_STATUS,	/* reply to RX_READ request */ | 
|  | RX_TIMEOUT,	/* cyclic message is absent */ | 
|  | RX_CHANGED	/* updated CAN frame (detected content change) */ | 
|  | }; | 
|  |  | 
|  | #define SETTIMER            0x0001 | 
|  | #define STARTTIMER          0x0002 | 
|  | #define TX_COUNTEVT         0x0004 | 
|  | #define TX_ANNOUNCE         0x0008 | 
|  | #define TX_CP_CAN_ID        0x0010 | 
|  | #define RX_FILTER_ID        0x0020 | 
|  | #define RX_CHECK_DLC        0x0040 | 
|  | #define RX_NO_AUTOTIMER     0x0080 | 
|  | #define RX_ANNOUNCE_RESUME  0x0100 | 
|  | #define TX_RESET_MULTI_IDX  0x0200 | 
|  | #define RX_RTR_FRAME        0x0400 | 
|  |  | 
|  | #endif /* CAN_BCM_H */ |