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