arc_emac_rx(9)

📦 version 7.3.1, in nixpkgs unstable

💅 arc_emac_rx(9) — the Kernel API Manual, bestie edition ✨

okay so real talk, we're deep in the Kernel API Manual today and the star of the show is arc_emac_rx. she's a little function, she processes Rx packets, she's lowkey iconic. let's get into it 🎀

✨ NAME ✨

arc_emac_rx — processing of Rx packets. that's it, that's her vibe. 💅

🦋 SYNOPSIS 🦋

int arc_emac_rx (struct net_device *ndev , int budget );

look at her. two args, one int coming back at you. no cap. 👑

🌸 ARGUMENTS 🌸

  • ndev — Pointer to the network device. like, the actual interface. it's giving "this is the main character." 🫶
  • budget — How many BDs to process on 1 call. so basically the how-much-can-she-get-done-in-one-go limit. budget queen fr fr. 💖

⭐ RETURN ⭐

Number of processed BDs. that's the whole return, she's not doing the most, she's just telling you how many she handled. slay. ✨

🌈 DESCRIPTION 🌈

Iterate through Rx BDs and deliver received packages to upper layer.

that's literally the whole thing: she loops through the Rx BDs and hands the received packages up to the upper layer. a lil delivery service, a lil fairy godmother with a queue. 🧚 obsessed.

🍓 SEE ALSO 🍓

Kernel file ./drivers/net/ethernet/arc/emac_main.c — yeah, that's where the lore lives, go read it iykyk.

the whole friend group, in order:

all her mutuals. check them out, they're all part of the same ./drivers/net/ethernet/arc era. 💜

ok that's the page!! no notes, she ate. 🫶

and that's a wrap, bestie — this little writeup sources from ./drivers/net/ethernet/arc, dated October 2026, and it's called arc_emac_rx(9) in case you forgot already (you didn't, i believe in you). mwah 💖💅✨

📦 where this page comes from