projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 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> | |
| cb5635a3 | 8 | * Copyright (c) 2002-2017 Volkswagen Group Electronic Research |
| 0d66548a OH |
9 | * All rights reserved. |
| 10 | * | |
| 0d66548a OH |
11 | */ |
| 12 | ||
| 42193e3e OH |
13 | #ifndef _CAN_CORE_H |
| 14 | #define _CAN_CORE_H | |
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15 | |
| 16 | #include <linux/can.h> | |
| 17 | #include <linux/skbuff.h> | |
| 18 | #include <linux/netdevice.h> | |
| 19 | ||
| cb5635a3 | 20 | #define CAN_VERSION "20170425" |
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21 | |
| 22 | /* increment this number each time you change some user-space interface */ | |
| 8b01939f | 23 | #define CAN_ABI_VERSION "9" |
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24 | |
| 25 | #define CAN_VERSION_STRING "rev " CAN_VERSION " abi " CAN_ABI_VERSION | |
| 26 | ||
| 27 | #define DNAME(dev) ((dev) ? (dev)->name : "any") | |
| 28 | ||
| 29 | /** | |
| 30 | * struct can_proto - CAN protocol structure | |
| 31 | * @type: type argument in socket() syscall, e.g. SOCK_DGRAM. | |
| 32 | * @protocol: protocol number in socket() syscall. | |
| 0d66548a OH |
33 | * @ops: pointer to struct proto_ops for sock->ops. |
| 34 | * @prot: pointer to struct proto structure. | |
| 35 | */ | |
| 36 | struct can_proto { | |
| 53914b67 OH |
37 | int type; |
| 38 | int protocol; | |
| 39 | const struct proto_ops *ops; | |
| 40 | struct proto *prot; | |
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41 | }; |
| 42 | ||
| 43 | /* function prototypes for the CAN networklayer core (af_can.c) */ | |
| 44 | ||
| 1650629d KVD |
45 | extern int can_proto_register(const struct can_proto *cp); |
| 46 | extern void can_proto_unregister(const struct can_proto *cp); | |
| 0d66548a | 47 | |
| 8e8cda6d MK |
48 | int can_rx_register(struct net *net, struct net_device *dev, |
| 49 | canid_t can_id, canid_t mask, | |
| f1712c73 ED |
50 | void (*func)(struct sk_buff *, void *), |
| 51 | void *data, char *ident, struct sock *sk); | |
| 0d66548a | 52 | |
| 8e8cda6d MK |
53 | extern void can_rx_unregister(struct net *net, struct net_device *dev, |
| 54 | canid_t can_id, canid_t mask, | |
| 0d66548a OH |
55 | void (*func)(struct sk_buff *, void *), |
| 56 | void *data); | |
| 57 | ||
| 58 | extern int can_send(struct sk_buff *skb, int loop); | |
| 53914b67 | 59 | extern int can_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg); |
| 0d66548a | 60 | |
| 42193e3e | 61 | #endif /* !_CAN_CORE_H */ |