STRUCT ETHNL_REPLY_DATA(9)

💅 struct ethnl_reply_data(9)

okay so bestie, welcome to the Kernel API Manual ✨ — we're talking about the struct ethnl_reply_data today, and honestly? it's giving lowkey essential. it's the base type of reply data for GET requests 🫶

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🌸 NAME 🌸

struct ethnl_reply_data — the base type of reply data for GET requests, no cap 💖

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✨ SYNOPSIS ✨

struct ethnl_reply_data {
    struct net_device               *dev;
};

look at her. one member. iconic. minimalist queen 👑

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🦋 Members 🦋

• dev — this is the device for the current reply message 🔥 and here's the tea: in single shot requests it is equal to ethnl_req_info.dev; but in dumps it's different for each reply message 👀 so like, don't assume, mkay?

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🎀 Description 🎀

So this struct is the common base for request specific structures that hold data for a kernel reply message 💫 These always embed struct ethnl_reply_data at zero offset — yes bestie, zero offset, that's the whole vibe 🧚

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🌈 SEE ALSO 🌈

• Kernel file ./net/ethtool/netlink.h
• ethnl_strz_size(9)
• ethnl_put_strz(9)
• ethnl_update_u32(9)
• ethnl_update_u8(9)
• ethnl_update_u8_u32(9)
• ethnl_update_bool32(9)
• ethnl_update_bool(9)
• ethnl_update_binary(9)
• ethnl_update_bitfield32(9)
• ethnl_reply_header_size(9)
• struct ethnl_req_info(9)
• ethnl_req_get_phydev(9)
• struct ethnl_request_ops(9)

like, go read all of those too, they're literally all connected 💜

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and that's the whole page bestie!! this came straight out of ./net/ethtool and it's dated October 2026 — so yes, we're being very future-forward here ⭐ slay, bye!! 💅💖