1 /* SPDX-License-Identifier: GPL-2.0+
2  *
3  * Copyright 2022 DENX Software Engineering GmbH, Philip Oberfichtner <pro@denx.de>
4  */
5 
6 /*
7  * dh_mac_is_in_env - Check if MAC address is already set
8  *
9  * @env: name of environment variable
10  * Return: true if MAC is set, false otherwise
11  */
12 bool dh_mac_is_in_env(const char *env);
13 
14 /*
15  * dh_get_mac_from_eeprom - Get MAC address from eeprom and write it to enetaddr
16  *
17  * @enetaddr: buffer where address is to be stored
18  * @alias: alias for EEPROM device tree node
19  * Return: 0 if OK, other value on error
20  */
21 int dh_get_mac_from_eeprom(unsigned char *enetaddr, const char *alias);
22 
23 /*
24  * dh_setup_mac_address - Try to get MAC address from various locations and write it to env
25  *
26  * Return: 0 if OK, other value on error
27  */
28 int dh_setup_mac_address(void);
29