libeth_xsk_run_prog(9)

📦 version 7.3.1, in nixpkgs unstable

💅 libeth_xsk_run_prog — Kernel API Manual energy ✨

okay so bestie, we're deep in the kernel networking lore rn and this one's called libeth_xsk_run_prog(9) — it lives in the Kernel API Manual and it's literally the "run the XDP program on the XSk path and deal with every single verdict" girlie 🎀

✨ SYNOPSIS ✨

libeth_xsk_run_prog (xdp , bq , fl );

like, three args, no drama 💜

🫶 ARGUMENTS 🫶

  • xdp — the XSk buffer you want processed. that's the main character of this call, no cap 🌸
  • bq — the XDP Tx bulk where all the XDP_TX buffers get queued up 🦋
  • fl — the driver's XDP_TX bulk flush callback. she's the one who actually flushes it 💅

💖 DESCRIPTION 💖

so what she does is: run the attached XDP program, and then handle all the possible verdicts that come back. every. single. one. 😭

and lowkey the move here is — prefer using it via LIBETH_XSK_DEFINE_RUN{,_PASS,_PROG}() instead of calling it raw. iykyk 🔥

⭐ RETURN ⭐

returns a libeth_xdp prog verdict, which depends entirely on whatever verdict the prog itself gave back. it's giving "you get what you give" ✨

🎀 SEE ALSO 🎀

the kernel file is ./include/net/libeth/xsk.h, and then the whole friend group:

go read the whole squad honestly, they all ate 👑

k bye bestie, this page was brought to you from ./include/net/libeth and stamped October 2026 — stan the kernel docs, mwah 💋🌈

📦 where this page comes from