of_get_ethdev_address(9)

💖 of_get_ethdev_address(9) 💖

okay bestie, welcome to the kernel API manual page for of_get_ethdev_address — it lives in section 9 (the kernel API one, iykyk) and it's lowkey the moment your network device finally gets its glow-up address. 🦋

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✨ NAME ✨

of_get_ethdev_address — literally the function that hunts down a MAC address for your netdevice and hands it over 💅

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🌸 SYNOPSIS 🌸

int of_get_ethdev_address (struct device_node *np , struct net_device
*dev );

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🎀 ARGUMENTS 🎀

• np — the caller's Device Node, aka where we go snooping for the address 👀
• dev — pointer to the netdevice whose address is gonna get updated, main character energy fr

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⭐ DESCRIPTION ⭐

so what it does is: it searches the device tree for the best MAC address to use. no cap. and if it finds one, it sets dev->dev_addr to that address. slay. 💅

if you're wondering how it decides which address is "the best"? that tea is spilled in the documentation of of_get_mac_address — go read that one for more information on how the best address is determined 🫶

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🌈 RETURN 🌈

0 on success, and errno in case of error. that's it, that's the vibe check 😭

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🦋 SEE ALSO 🦋

• Kernel file ./net/core/of_net.c
• of_get_phy_mode(9)
• of_get_mac_address(9)

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bestie reminder: this page is filed under ./net/core, and the version stamp says October 2026 — so like, mark your calendar, periodt. stay iconic, go read of_get_mac_address(9) if you want the full lore, and remember: the kernel loves you back 💖✨🎀