ice_clean_rx_irq(9)

📦 version 7.3.1, in nixpkgs unstable

💅 ice_clean_rx_irq(9) — the kernel API manual page, but make it make sense

okay so bestie, welcome to the Kernel API Manual entry for ice_clean_rx_irq(9). yes, that's a mouthful. yes, it's iconic. let's get into it 🫶

✨ NAME ✨

ice_clean_rx_irq — Clean completed descriptors from Rx ring - bounce buf

like, it tidies up the finished descriptors off the Rx ring. bounce buf energy. periodt ✨

🦋 SYNOPSIS 🦋

int ice_clean_rx_irq (struct ice_rx_ring *rx_ring , int budget );

copy that exactly bestie, no autocorrect, i'm watching 👀

🌸 ARGUMENTS 🌸

  • rx_ring — the Rx descriptor ring you're transacting packets on. that's the whole vibe of this lil ring 💫
  • budget — the total limit on how many packets you're allowed to process. like a snack budget, but for packets 🍓

👑 DESCRIPTION 👑

so the way that this works, right: this function gives you a "bounce buffer" approach to Rx interrupt processing. literally the whole point 💅

the advantage?? on systems that have expensive overhead for IOMMU access, this is the way you dodge it — by keeping the mapping of the page to the system alive and well. no re-mapping, no drama. slay 🌈

and what does it give you back? Returns amount of work completed. that's it, that's the receipt. take it 🧾

🔥 SEE ALSO 🔥

the kernel file, in all its glory:

  • Kernel file ./drivers/net/ethernet/intel/ice/ice_txrx.c

and the whole friend group (ngl this is a long list, but we don't skip anyone in this house):

okay that's the whole page, you understood it, i'm so proud 🥹

and finally, the cute lil sign-off: this one lives at ./drivers/net/ethernet/intel/ice, dated October 2026, and it's called ice_clean_rx_irq(9) — iconic, no notes 💜🎀

📦 where this page comes from