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

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * Copyright 2012, Fabio Baltieri <fabio.baltieri@gmail.com>
   4 */
   5
   6#ifndef _CAN_LED_H
   7#define _CAN_LED_H
   8
   9#include <linux/if.h>
  10#include <linux/leds.h>
  11#include <linux/netdevice.h>
  12
  13enum can_led_event {
  14        CAN_LED_EVENT_OPEN,
  15        CAN_LED_EVENT_STOP,
  16        CAN_LED_EVENT_TX,
  17        CAN_LED_EVENT_RX,
  18};
  19
  20#ifdef CONFIG_CAN_LEDS
  21
  22/* keep space for interface name + "-tx"/"-rx"/"-rxtx"
  23 * suffix and null terminator
  24 */
  25#define CAN_LED_NAME_SZ (IFNAMSIZ + 6)
  26
  27void can_led_event(struct net_device *netdev, enum can_led_event event);
  28void devm_can_led_init(struct net_device *netdev);
  29int __init can_led_notifier_init(void);
  30void __exit can_led_notifier_exit(void);
  31
  32#else
  33
  34static inline void can_led_event(struct net_device *netdev,
  35                                 enum can_led_event event)
  36{
  37}
  38static inline void devm_can_led_init(struct net_device *netdev)
  39{
  40}
  41static inline int can_led_notifier_init(void)
  42{
  43        return 0;
  44}
  45static inline void can_led_notifier_exit(void)
  46{
  47}
  48
  49#endif
  50
  51#endif /* !_CAN_LED_H */
  52