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				https://github.com/espressif/esp-idf.git
				synced 2025-11-04 00:51:42 +01:00 
			
		
		
		
	The changes only related to C6 and H2 chips where CONFIG_SOC_IEEE802154_SUPPORTED=y.
For this case these APIs return 8 bytes
    esp_efuse_mac_get_default() -> 8 bytes
    esp_efuse_mac_get_custom() -> 8 bytes
    esp_read_mac(..., ESP_MAC_IEEE802154) -> 8 bytes
The rest cases len is 6 bytes
		
	
		
			
				
	
	
		
			194 lines
		
	
	
		
			7.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			194 lines
		
	
	
		
			7.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
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 *
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 * SPDX-License-Identifier: Apache-2.0
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 */
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#pragma once
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#include "esp_err.h"
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#include "sdkconfig.h"
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#ifndef MAC2STR
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#define MAC2STR(a) (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5]
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#define MACSTR "%02x:%02x:%02x:%02x:%02x:%02x"
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef enum {
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    ESP_MAC_WIFI_STA,      /**< MAC for WiFi Station (6 bytes) */
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    ESP_MAC_WIFI_SOFTAP,   /**< MAC for WiFi Soft-AP (6 bytes) */
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    ESP_MAC_BT,            /**< MAC for Bluetooth (6 bytes) */
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    ESP_MAC_ETH,           /**< MAC for Ethernet (6 bytes) */
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    ESP_MAC_IEEE802154,    /**< if CONFIG_SOC_IEEE802154_SUPPORTED=y, MAC for IEEE802154 (8 bytes) */
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    ESP_MAC_BASE,          /**< Base MAC for that used for other MAC types (6 bytes) */
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    ESP_MAC_EFUSE_FACTORY, /**< MAC_FACTORY eFuse which was burned by Espressif in production (6 bytes) */
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    ESP_MAC_EFUSE_CUSTOM,  /**< MAC_CUSTOM eFuse which was can be burned by customer (6 bytes) */
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    ESP_MAC_EFUSE_EXT,     /**< if CONFIG_SOC_IEEE802154_SUPPORTED=y, MAC_EXT eFuse which is used as an extender for IEEE802154 MAC (2 bytes) */
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} esp_mac_type_t;
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/** @cond */
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#define TWO_UNIVERSAL_MAC_ADDR 2
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#define FOUR_UNIVERSAL_MAC_ADDR 4
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#if CONFIG_IDF_TARGET_ESP32
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#define UNIVERSAL_MAC_ADDR_NUM CONFIG_ESP32_UNIVERSAL_MAC_ADDRESSES
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#elif CONFIG_IDF_TARGET_ESP32S2
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#define UNIVERSAL_MAC_ADDR_NUM CONFIG_ESP32S2_UNIVERSAL_MAC_ADDRESSES
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#elif CONFIG_IDF_TARGET_ESP32S3
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#define UNIVERSAL_MAC_ADDR_NUM CONFIG_ESP32S3_UNIVERSAL_MAC_ADDRESSES
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#elif CONFIG_IDF_TARGET_ESP32C3
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#define UNIVERSAL_MAC_ADDR_NUM CONFIG_ESP32C3_UNIVERSAL_MAC_ADDRESSES
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#elif CONFIG_IDF_TARGET_ESP32C2
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#define UNIVERSAL_MAC_ADDR_NUM CONFIG_ESP32C2_UNIVERSAL_MAC_ADDRESSES
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#elif CONFIG_IDF_TARGET_ESP32C6
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#define UNIVERSAL_MAC_ADDR_NUM CONFIG_ESP32C6_UNIVERSAL_MAC_ADDRESSES
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#endif
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/** @endcond */
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/**
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  * @brief  Set base MAC address with the MAC address which is stored in BLK3 of EFUSE or
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  *         external storage e.g. flash and EEPROM.
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  *
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  * Base MAC address is used to generate the MAC addresses used by network interfaces.
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  *
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  * If using a custom base MAC address, call this API before initializing any network interfaces.
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  * Refer to the ESP-IDF Programming Guide for details about how the Base MAC is used.
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  *
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  * @note Base MAC must be a unicast MAC (least significant bit of first byte must be zero).
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  *
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  * @note If not using a valid OUI, set the "locally administered" bit
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  *       (bit value 0x02 in the first byte) to avoid collisions.
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  *
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  * @param  mac base MAC address, length: 6 bytes.
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  *         length: 6 bytes for MAC-48
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  *
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  * @return ESP_OK on success
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  *         ESP_ERR_INVALID_ARG If mac is NULL or is not a unicast MAC
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  */
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esp_err_t esp_base_mac_addr_set(const uint8_t *mac);
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/**
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  * @brief  Return base MAC address which is set using esp_base_mac_addr_set.
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  *
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  * @note If no custom Base MAC has been set, this returns the pre-programmed Espressif base MAC address.
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  *
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  * @param  mac base MAC address, length: 6 bytes.
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  *         length: 6 bytes for MAC-48
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  *
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  * @return ESP_OK on success
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  *         ESP_ERR_INVALID_ARG mac is NULL
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  *         ESP_ERR_INVALID_MAC base MAC address has not been set
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  */
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esp_err_t esp_base_mac_addr_get(uint8_t *mac);
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/**
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  * @brief  Return base MAC address which was previously written to BLK3 of EFUSE.
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  *
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  * Base MAC address is used to generate the MAC addresses used by the networking interfaces.
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  * This API returns the custom base MAC address which was previously written to EFUSE BLK3 in
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  * a specified format.
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  *
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  * Writing this EFUSE allows setting of a different (non-Espressif) base MAC address. It is also
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  * possible to store a custom base MAC address elsewhere, see esp_base_mac_addr_set() for details.
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  *
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  * @note This function is currently only supported on ESP32.
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  *
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  * @param  mac base MAC address, length: 6 bytes/8 bytes.
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  *         length: 6 bytes for MAC-48
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  *                 8 bytes for EUI-64(used for IEEE 802.15.4, if CONFIG_SOC_IEEE802154_SUPPORTED=y)
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  *
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  * @return ESP_OK on success
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  *         ESP_ERR_INVALID_ARG mac is NULL
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  *         ESP_ERR_INVALID_MAC CUSTOM_MAC address has not been set, all zeros (for esp32-xx)
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  *         ESP_ERR_INVALID_VERSION An invalid MAC version field was read from BLK3 of EFUSE (for esp32)
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  *         ESP_ERR_INVALID_CRC An invalid MAC CRC was read from BLK3 of EFUSE (for esp32)
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  */
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esp_err_t esp_efuse_mac_get_custom(uint8_t *mac);
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/**
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  * @brief  Return base MAC address which is factory-programmed by Espressif in EFUSE.
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  *
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  * @param  mac base MAC address, length: 6 bytes/8 bytes.
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  *         length: 6 bytes for MAC-48
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  *                 8 bytes for EUI-64(used for IEEE 802.15.4, if CONFIG_SOC_IEEE802154_SUPPORTED=y)
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  *
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  * @return ESP_OK on success
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  *         ESP_ERR_INVALID_ARG mac is NULL
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  */
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esp_err_t esp_efuse_mac_get_default(uint8_t *mac);
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/**
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  * @brief  Read base MAC address and set MAC address of the interface.
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  *
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  * This function first get base MAC address using esp_base_mac_addr_get().
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  * Then calculates the MAC address of the specific interface requested,
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  * refer to ESP-IDF Programming Guide for the algorithm.
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  *
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  * The MAC address set by the esp_iface_mac_addr_set() function will not depend on the base MAC address.
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  *
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  * @param  mac base MAC address, length: 6 bytes/8 bytes.
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  *         length: 6 bytes for MAC-48
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  *                 8 bytes for EUI-64(used for IEEE 802.15.4, if CONFIG_SOC_IEEE802154_SUPPORTED=y)
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  * @param  type Type of MAC address to return
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  *
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  * @return ESP_OK on success
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  */
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esp_err_t esp_read_mac(uint8_t *mac, esp_mac_type_t type);
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/**
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  * @brief Derive local MAC address from universal MAC address.
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  *
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  * This function copies a universal MAC address and then sets the "locally
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  * administered" bit (bit 0x2) in the first octet, creating a locally
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  * administered MAC address.
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  *
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  * If the universal MAC address argument is already a locally administered MAC
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  * address, then the first octet is XORed with 0x4 in order to create a different
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  * locally administered MAC address.
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  *
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  * @param  local_mac base MAC address, length: 6 bytes.
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  *         length: 6 bytes for MAC-48
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  * @param  universal_mac  Source universal MAC address, length: 6 bytes.
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  *
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  * @return ESP_OK on success
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  */
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esp_err_t esp_derive_local_mac(uint8_t *local_mac, const uint8_t *universal_mac);
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/**
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  * @brief  Set custom MAC address of the interface. This function allows you to overwrite the MAC addresses
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  *         of the interfaces set by the base MAC address.
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  *
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  * @param  mac  MAC address, length: 6 bytes/8 bytes.
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  *         length: 6 bytes for MAC-48
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  *                 8 bytes for EUI-64(used for ESP_MAC_IEEE802154 type, if CONFIG_SOC_IEEE802154_SUPPORTED=y)
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  * @param  type  Type of MAC address
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  *
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  * @return ESP_OK on success
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  */
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esp_err_t esp_iface_mac_addr_set(const uint8_t *mac, esp_mac_type_t type);
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/**
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  * @brief  Return the size of the MAC type in bytes.
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  *
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  * If CONFIG_SOC_IEEE802154_SUPPORTED is set then for these types:
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  *  - ESP_MAC_IEEE802154 is 8 bytes.
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  *  - ESP_MAC_BASE, ESP_MAC_EFUSE_FACTORY and ESP_MAC_EFUSE_CUSTOM the MAC size is 6 bytes.
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  *  - ESP_MAC_EFUSE_EXT is 2 bytes.
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  * If CONFIG_SOC_IEEE802154_SUPPORTED is not set then for all types it returns 6 bytes.
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  *
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  * @param  type  Type of MAC address
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  *
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  * @return 0 MAC type not found (not supported)
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  *         6 bytes for MAC-48.
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  *         8 bytes for EUI-64.
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  */
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size_t esp_mac_addr_len_get(esp_mac_type_t type);
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#ifdef __cplusplus
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}
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#endif
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