cwespressif opened a new pull request, #8993:
URL: https://github.com/apache/nuttx/pull/8993

   ## Summary
   
   <p data-sourcepos="0:0-0:0" dir="auto">The MAC addresses for the various 
network interfaces are calculated from a single base MAC address. By default, 
the Espressif base MAC address is used. This base MAC address is pre-programmed 
into the ESP32 eFuse in the factory during production.</p>
   
   
   Interface | MAC Address (4 universally administered, default) | MAC Address 
(2 universally administered)
   -- | -- | --
   Wi-Fi Station | base_mac | base_mac
   Wi-Fi SoftAP | base_mac, +1 to the last octet | Local MAC (derived from 
Wi-Fi Station MAC)
   Bluetooth | base_mac, +2 to the last octet | base_mac, +1 to the last octet
   Ethernet | base_mac, +3 to the last octet | Local MAC (derived from 
Bluetooth MAC)
   
   
   ## Impact
   
   - Provide universal mac addresses support on ESP32
   
   ## Testing
   
   - Tested with ESP32-Devkitc, configure the number of universally 
administered (by IEEE) MAC addresses through `make menuconfig`


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