// ESP32-POE
{
0, // eth_address,
12, // eth_power,
23, // eth_mdc,
18, // eth_mdio,
ETH_PHY_LAN8720, // eth_type,
ETH_CLOCK_GPIO17_OUT // eth_clk_mode
},
Are the settings for your board. All other boards are specified and then they run though the same software chain to the output.