i40e_ddp_is_pkg_hdr_valid(9)

📦 version 7.3.1, in nixpkgs unstable

💖 i40e_ddp_is_pkg_hdr_valid 💖

okay so bestie, welcome to the i40e kernel API manual page for i40e_ddp_is_pkg_hdr_valid(9) — yes the manual name is literally the same as the function, we love a self-titled main character moment 👑

✨ NAME ✨

i40e_ddp_is_pkg_hdr_valid — performs basic pkg header integrity checks 🕵️‍♀️✨

Like, it does the vibe check on your package header. That's the whole job. No cap.

🦋 SYNOPSIS 🦋

bool i40e_ddp_is_pkg_hdr_valid (struct net_device *netdev , struct
       i40e_package_header *pkg_hdr , size_t size_huge );

She takes three things and hands you back a bool. Iconic signature, honestly. 🎀

🌸 ARGUMENTS 🌸

  • netdev — net device structure (for logging purposes) 📝 — yes bestie, this one's just here so we can log stuff, she's the emotional support argument
  • pkg_hdr — pointer to package header 📦 — this is the actual thing we're checking
  • size_huge — size of the whole DDP profile package in size_t 📏 — the name is size_huge and honestly? deserved.

💅 DESCRIPTION 💅

So what does she actually do? She checks correctness of pkg header: Version, size too big/small, and all segment offsets alignment and boundaries. 🔍

That's the checklist, fr fr:

  • the Version — is it giving valid version
  • the size — too big? too small? either way, not the move
  • all segment offsets — alignment and boundaries, both checked, both slayed ✨

And the whole point? This function lets reject non DDP profile file to be loaded by administrator mistake. 🛑💀

Like, bestie, if an admin accidentally tries to load something that isn't a DDP profile file, this is the function that's gonna catch it and say "not today." It's giving protective best friend energy. 🫶

no cap — this is a rejection gate, not a loader. She only checks the header, she doesn't load anything. Don't get it twisted 💅

🔥 SEE ALSO 🔥

Kernel file ./drivers/net/ethernet/intel/i40e/i40e_ddp.c — go read the source, iykyk 📖

The whole friend group:

Every single one of them, present and accounted for 👑✨

and that's the page bestie!! this little gem lives in ./drivers/net/ethernet/intel/i40e, and the source/version + date sign-off is October 2026 — so yeah, write that down, timestamped and everything 🎀🦋💜

📦 where this page comes from