i40e_init_msix(9)

📦 version 7.3.1, in nixpkgs unstable

💅 i40e_init_msix(9) — like, the whole Kernel API Manual moment

Okay bestie, gather round, because we're diving into i40e_init_msix from the Kernel API Manual and honestly? It's giving "small function, big responsibilities." 🎀

✨ NAME ✨

i40e_init_msix — Setup the MSIX capability 💖

✨ SYNOPSIS ✨

int i40e_init_msix (struct i40e_pf *pf );

✨ ARGUMENTS ✨

  • pf — the board private structure. That's it, that's the whole vibe. Your one (1) parameter, your whole personality. 🫶

✨ DESCRIPTION ✨

So here's the tea: this function works with the OS to set up the MSIX vectors it needs. Yep — you and the kernel, collabing, coordinating, getting those vectors reserved. Teamwork makes the dream work. 💅

And what does it hand back to you?

  • It returns the number of vectors reserved — slay, a positive number, we love a success story 👑
  • or a negative value on failure — not slay, but at least it tells you 😭
Fr fr, check that return value. A negative number is the "we need to talk" text of return codes. 💀

🌈 SEE ALSO 🌈

Buckle up buttercup, because this is the longest guest list at the function. The kernel file in question lives here:

  • ./drivers/net/ethernet/intel/i40e/i40e_main.c — the source, the mothership, the origin story 🌸

And now, the entire squad, in order, no cap, nobody left behind:

Okay that's the whole page bestie, you ate that 💅✨

And for the cute sign-off: this lil beauty comes from the source tree at ./drivers/net/ethernet/intel/i40e, dated October 2026, and it's filed under i40e_init_msix(9). Obsessed. Go reserve some vectors, icon. 🦋💖

📦 where this page comes from