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0d66548a OH |
1 | /* |
2 | * linux/can/core.h | |
3 | * | |
4 | * Protoypes and definitions for CAN protocol modules using the PF_CAN core | |
5 | * | |
6 | * Authors: Oliver Hartkopp <oliver.hartkopp@volkswagen.de> | |
7 | * Urs Thuermann <urs.thuermann@volkswagen.de> | |
8 | * Copyright (c) 2002-2007 Volkswagen Group Electronic Research | |
9 | * All rights reserved. | |
10 | * | |
11 | * Send feedback to <socketcan-users@lists.berlios.de> | |
12 | * | |
13 | */ | |
14 | ||
15 | #ifndef CAN_CORE_H | |
16 | #define CAN_CORE_H | |
17 | ||
18 | #include <linux/can.h> | |
19 | #include <linux/skbuff.h> | |
20 | #include <linux/netdevice.h> | |
21 | ||
1fa17d4b | 22 | #define CAN_VERSION "20090105" |
0d66548a OH |
23 | |
24 | /* increment this number each time you change some user-space interface */ | |
25 | #define CAN_ABI_VERSION "8" | |
26 | ||
27 | #define CAN_VERSION_STRING "rev " CAN_VERSION " abi " CAN_ABI_VERSION | |
28 | ||
29 | #define DNAME(dev) ((dev) ? (dev)->name : "any") | |
30 | ||
31 | /** | |
32 | * struct can_proto - CAN protocol structure | |
33 | * @type: type argument in socket() syscall, e.g. SOCK_DGRAM. | |
34 | * @protocol: protocol number in socket() syscall. | |
0d66548a OH |
35 | * @ops: pointer to struct proto_ops for sock->ops. |
36 | * @prot: pointer to struct proto structure. | |
37 | */ | |
38 | struct can_proto { | |
39 | int type; | |
40 | int protocol; | |
0d66548a OH |
41 | struct proto_ops *ops; |
42 | struct proto *prot; | |
43 | }; | |
44 | ||
45 | /* function prototypes for the CAN networklayer core (af_can.c) */ | |
46 | ||
47 | extern int can_proto_register(struct can_proto *cp); | |
48 | extern void can_proto_unregister(struct can_proto *cp); | |
49 | ||
50 | extern int can_rx_register(struct net_device *dev, canid_t can_id, | |
51 | canid_t mask, | |
52 | void (*func)(struct sk_buff *, void *), | |
53 | void *data, char *ident); | |
54 | ||
55 | extern void can_rx_unregister(struct net_device *dev, canid_t can_id, | |
56 | canid_t mask, | |
57 | void (*func)(struct sk_buff *, void *), | |
58 | void *data); | |
59 | ||
60 | extern int can_send(struct sk_buff *skb, int loop); | |
61 | ||
62 | #endif /* CAN_CORE_H */ |