Linux kernel mirror (for testing)
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1/*
2 * linux/can/dev.h
3 *
4 * Definitions for the CAN network device driver interface
5 *
6 * Copyright (C) 2006 Andrey Volkov <avolkov@varma-el.com>
7 * Varma Electronics Oy
8 *
9 * Copyright (C) 2008 Wolfgang Grandegger <wg@grandegger.com>
10 *
11 * Send feedback to <socketcan-users@lists.berlios.de>
12 */
13
14#ifndef CAN_DEV_H
15#define CAN_DEV_H
16
17#include <linux/can/netlink.h>
18#include <linux/can/error.h>
19
20/*
21 * CAN mode
22 */
23enum can_mode {
24 CAN_MODE_STOP = 0,
25 CAN_MODE_START,
26 CAN_MODE_SLEEP
27};
28
29/*
30 * CAN common private data
31 */
32#define CAN_ECHO_SKB_MAX 4
33
34struct can_priv {
35 struct can_device_stats can_stats;
36
37 struct can_bittiming bittiming;
38 struct can_bittiming_const *bittiming_const;
39 struct can_clock clock;
40
41 enum can_state state;
42 u32 ctrlmode;
43
44 int restart_ms;
45 struct timer_list restart_timer;
46
47 struct sk_buff *echo_skb[CAN_ECHO_SKB_MAX];
48
49 int (*do_set_bittiming)(struct net_device *dev);
50 int (*do_set_mode)(struct net_device *dev, enum can_mode mode);
51 int (*do_get_state)(const struct net_device *dev,
52 enum can_state *state);
53};
54
55struct net_device *alloc_candev(int sizeof_priv);
56void free_candev(struct net_device *dev);
57
58int open_candev(struct net_device *dev);
59void close_candev(struct net_device *dev);
60
61int register_candev(struct net_device *dev);
62void unregister_candev(struct net_device *dev);
63
64int can_restart_now(struct net_device *dev);
65void can_bus_off(struct net_device *dev);
66
67void can_put_echo_skb(struct sk_buff *skb, struct net_device *dev, int idx);
68void can_get_echo_skb(struct net_device *dev, int idx);
69
70#endif /* CAN_DEV_H */