66 lines
1.4 KiB
C
66 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
/*
|
|
* wol - Wake-on-LAN
|
|
*
|
|
* Supports both Wake-on-LAN packet types:
|
|
* - EtherType 0x0842 packets
|
|
* - UDP packets on ports 0, 7 and 9.
|
|
*
|
|
* Copyright 2018 Lothar Felten, lothar.felten@gmail.com
|
|
*/
|
|
|
|
#if defined(CONFIG_CMD_WOL)
|
|
|
|
#ifndef __WOL_H__
|
|
#define __WOL_H__
|
|
|
|
#include <net.h>
|
|
|
|
/**********************************************************************/
|
|
|
|
#define WOL_SYNC_BYTE 0xFF
|
|
#define WOL_SYNC_COUNT 6
|
|
#define WOL_MAC_REPETITIONS 16
|
|
#define WOL_DEFAULT_TIMEOUT 5000
|
|
#define WOL_PASSWORD_4B 4
|
|
#define WOL_PASSWORD_6B 6
|
|
|
|
/*
|
|
* Wake-on-LAN header
|
|
*/
|
|
struct wol_hdr {
|
|
u8 wol_sync[WOL_SYNC_COUNT]; /* sync bytes */
|
|
u8 wol_dest[WOL_MAC_REPETITIONS * ARP_HLEN]; /* 16x MAC */
|
|
u8 wol_passwd[0]; /* optional */
|
|
};
|
|
|
|
/*
|
|
* Initialize wol (beginning of netloop)
|
|
*/
|
|
void wol_start(void);
|
|
|
|
/*
|
|
* Check incoming Wake-on-LAN packet for:
|
|
* - sync bytes
|
|
* - sixteen copies of the target MAC address
|
|
*
|
|
* Optionally store the four or six byte password in the environment
|
|
* variable "wolpassword"
|
|
*
|
|
* @param ip IP header in the packet
|
|
* @param len Packet length
|
|
*/
|
|
void wol_receive(struct ip_udp_hdr *ip, unsigned int len);
|
|
|
|
/*
|
|
* Set the timeout for the reception of a Wake-on-LAN packet
|
|
*
|
|
* @param timeout in milliseconds
|
|
*/
|
|
void wol_set_timeout(ulong timeout);
|
|
|
|
/**********************************************************************/
|
|
|
|
#endif /* __WOL_H__ */
|
|
#endif
|