ice_enable_interrupt(9)

📦 version 7.3.1, in nixpkgs unstable

💖 ice_enable_interrupt — a Kernel API Manual moment ✨

okay so bestie, welcome to the ice_enable_interrupt(9) page, from the Kernel API Manual 💅 this is the little function that goes "hey girl, wake UP" to an MSI-X interrupt, and honestly? iconic behavior.

🌸 NAME 🌸

ice_enable_interrupt — re-enable MSI-X interrupt 🫶

⭐ SYNOPSIS ⭐

void ice_enable_interrupt (struct ice_q_vector *q_vector );

like. that's the whole signature. no return value, it's giving void-and-unbothered energy 💀

🎀 ARGUMENTS 🎀

  • q_vector — the vector that's associated with the interrupt you wanna enable. it's the main character of this whole operation, no cap ✨

🦋 DESCRIPTION 🦋

so here's the tea ☕: if the VSI is down, the interrupt will NOT be re-enabled. periodt. like, don't even try, the function simply isn't gonna do it for you 🙈

also — and this is the part ppl forget — when you're enabling the interrupt, it always resets the wb_on_itr to false and triggers a software interrupt to clean out internal state 🧹✨

so yeah, it's not just flipping a bit and leaving, it's doing the little cleanup ritual too. lowkey obsessed with the thoroughness ngl 🔥

🌈 SEE ALSO 🌈

the kernel file, right here bestie: ./drivers/net/ethernet/intel/ice/ice_txrx.c

and the whole friend group 💜:

okay that's the whole page bestie, go forth and enable those interrupts responsibly 💅✨

source: ./drivers/net/ethernet/intel/ice 🌸 dated October 2026 — mwah, love u, bye 🫶🎀

📦 where this page comes from