STRUCT EFX_MCDI_DATA(9)

💖 struct efx_mcdi_data(9) 💖

okay so bestie, welcome to the Kernel API Manual ✨ — this is the page for struct efx_mcdi_data, and it's genuinely not that deep, but it IS important, so let's get into it 🫶

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✨ NAME ✨

struct efx_mcdi_data — the extra state for NICs that implement MCDI. that's it. that's the whole vibe 💅

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🌸 SYNOPSIS 🌸

struct efx_mcdi_data {
    struct efx_mcdi_iface iface;
  #ifdef CONFIG_SFC_SIENA_MCDI_MON;
    struct efx_mcdi_mon hwmon;
  #endif;
    u32 fn_flags;
};

look at her. iconic. no cap, she's just a struct holding a few things together 🎀

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🦋 Members 🦋

• iface — the interface/protocol state, aka where the actual interface business lives 💜
• hwmon — the hardware monitor state. pls note this one is wrapped in #ifdef CONFIG_SFC_SIENA_MCDI_MON, so she only shows up when that config's around 🙈
• fn_flags — flags for this function, as returned by MC_CMD_DRV_ATTACH. literally exactly what it says on the tin ⭐

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🌈 SEE ALSO 🌈

• the Kernel file ./drivers/net/ethernet/sfc/siena/mcdi.h (enum)
• efx_mcdi_state(9)
• enum efx_mcdi_mode(9)
• struct efx_mcdi_iface(9)

like, go read those too, iykyk 🔥

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ok that's the whole page fr fr — nothing dangerous in here, no deprecated anything, just a struct being a struct 🧚

and that's a wrap, bestie! 💖 this came to you from ./drivers/net/ethernet/sfc/siena, dated October 2026 — catch you on the next page, mwah 🎀💅✨