LXR linux/include/linux/can/led.h

   1/*
   2 * Copyright 2012, Fabio Baltieri <fabio.baltieri@gmail.com>
   3 *
   4 * This program is free software; you can redistribute it and/or modify
   5 * it under the terms of the GNU General Public License version 2 as
   6 * published by the Free Software Foundation.
   7 */
   8
   9#ifndef _CAN_LED_H
  10#define _CAN_LED_H
  11
  12#include <linux/if.h>
  13#include <linux/leds.h>
  14#include <linux/netdevice.h>
  15
  16enum can_led_event {
  17        CAN_LED_EVENT_OPEN,
  18        CAN_LED_EVENT_STOP,
  19        CAN_LED_EVENT_TX,
  20        CAN_LED_EVENT_RX,
  21};
  22
  23#ifdef CONFIG_CAN_LEDS
  24
  25/* keep space for interface name + "-tx"/"-rx"/"-rxtx"
  26 * suffix and null terminator
  27 */
  28#define CAN_LED_NAME_SZ (IFNAMSIZ + 6)
  29
  30void can_led_event(struct net_device *netdev, enum can_led_event event);
  31void devm_can_led_init(struct net_device *netdev);
  32int __init can_led_notifier_init(void);
  33void __exit can_led_notifier_exit(void);
  34
  35#else
  36
  37static inline void can_led_event(struct net_device *netdev,
  38                                 enum can_led_event event)
  39{
  40}
  41static inline void devm_can_led_init(struct net_device *netdev)
  42{
  43}
  44static inline int can_led_notifier_init(void)
  45{
  46        return 0;
  47}
  48static inline void can_led_notifier_exit(void)
  49{
  50}
  51
  52#endif
  53
  54#endif /* !_CAN_LED_H */
  55