4 * Protoypes and definitions for CAN protocol modules using the PF_CAN core
8 * Authors: Oliver Hartkopp <oliver.hartkopp@volkswagen.de>
9 * Urs Thuermann <urs.thuermann@volkswagen.de>
10 * Copyright (c) 2002-2007 Volkswagen Group Electronic Research
11 * All rights reserved.
13 * Send feedback to <socketcan-users@lists.berlios.de>
20 #include <linux/can.h>
21 #include <linux/skbuff.h>
22 #include <linux/netdevice.h>
25 #define CAN_VERSION "2.0.0-pre6"
27 /* increment this number each time you change some user-space interface */
28 #define CAN_ABI_VERSION 8
30 #define DNAME(dev) ((dev) ? (dev)->name : "any")
32 #define CAN_PROC_DIR "net/can" /* /proc/... */
35 * struct can_proto - CAN protocol structure
36 * @type: type argument in socket() syscall, e.g. SOCK_DGRAM.
37 * @protocol: protocol number in socket() syscall.
38 * @capability: capability needed to open the socket, or -1 for no restriction.
39 * @ops: pointer to struct proto_ops for sock->ops.
40 * @prot: pointer to struct proto structure.
47 struct proto_ops *ops;
48 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,12)
52 int (*init)(struct sock *sk);
57 /* function prototypes for the CAN networklayer core (af_can.c) */
59 void can_debug_skb(struct sk_buff *skb);
60 void can_debug_cframe(const char *msg, struct can_frame *cframe, ...);
62 int can_proto_register(struct can_proto *cp);
63 int can_proto_unregister(struct can_proto *cp);
65 int can_rx_register(struct net_device *dev, canid_t can_id, canid_t mask,
66 void (*func)(struct sk_buff *, void *), void *data,
68 int can_rx_unregister(struct net_device *dev, canid_t can_id, canid_t mask,
69 void (*func)(struct sk_buff *, void *), void *data);
71 int can_dev_register(struct net_device *dev,
72 void (*func)(unsigned long msg, void *), void *data);
73 int can_dev_unregister(struct net_device *dev,
74 void (*func)(unsigned long msg, void *), void *data);
76 int can_send(struct sk_buff *skb, int loop);
78 unsigned long timeval2jiffies(struct timeval *tv, int round_up);
80 #endif /* CAN_CORE_H */