fm10k_mbx_validate_msg_hdr(9)

📦 version 7.3.1, in nixpkgs unstable

✨ fm10k_mbx_validate_msg_hdr — a Kernel API Manual moment (section 9, bestie) ✨

Okay so welcome to fm10k_mbx_validate_msg_hdr(9), straight out of the Kernel API Manual, section 9, and it's giving "tiny function, huge responsibilities" energy. Let's get into it 🫶

🌸 NAME 🌸

fm10k_mbx_validate_msg_hdr — literally the vibe check for the common fields in the message header 💅

🦋 SYNOPSIS 🦋

s32 fm10k_mbx_validate_msg_hdr (struct fm10k_mbx_info *mbx );

That's it. That's the whole signature. s32 in, s32 out, main character energy ✨

🎀 ARGUMENTS 🎀

  • mbx — pointer to mailbox. That's the mailbox, the one we're about to inspect. No notes, iconique 🙈

💖 DESCRIPTION 💖

So here's the tea: this function parses up the fields in the mailbox header — yes, "parses up", that's the official word, I don't make the rules — and then it returns an error if the header is out here containing any of a number of invalid configurations 😭

What counts as invalid, you ask? The list is giving:

  • unrecognized type — the header said a type and the type said "who? never heard of her" 💀
  • invalid route — the message tried to take a road that does not exist 🛣️
  • a malformed message — structurally not okay, no cap 🍓

If any of those show up, you get an error back. It's a validation function, so that is quite literally its whole entire job. Periodt 🔥

ngl, this one does not fix your header for you — it just tells you the header is a mess. You're on your own for the glow-up 😌

🌈 SEE ALSO 🌈

Buckle up bestie, because the cross-reference section is long and honestly kind of iconic. The kernel file lives at ./drivers/net/ethernet/intel/fm10k/fm10k_mbx.c, and here's the full crew:

Like I said. The whole friend group. Obsessed 🧚

And that's the page, bestie! Quick sign-off from the fine print at the bottom: this one came from source/version ./drivers/net/ethernet/intel/f... (yes, truncated exactly like that, we don't gatekeep) and it's dated October 2026. Same date on both sides, the duality of man 😭💜 Slay, go validate some headers, and remember: fm10k_mbx_validate_msg_hdr(9) is not judging you, it's judging your header 🎀

📦 where this page comes from