idpf_xdp_tx_finalize(9)

💅 idpf_xdp_tx_finalize — kernel API manual, bestie edition

Okay so real quick, before we even get into it: this page is idpf_xdp_tx_finalize(9) from the Kernel API Manual. It's the little "ok we're done here, wrap it up" helper for XDP Tx, and honestly? It's giving cleanup crew main character energy. ✨

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🎀 NAME 🎀

idpf_xdp_tx_finalize — the one that finalizes sending over the XDPSQ, periodt.

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✨ SYNOPSIS ✨

void idpf_xdp_tx_finalize (void *_xdpsq , bool sent , bool flush );

That's the whole thing. Void. No return value. It just does the thing and dips. 💅

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🌸 ARGUMENTS 🌸

• _xdpsq — the XDP Tx queue, bestie. This is the queue we're finalizing, the actual star of the show 🫶
• sent — a bool that tells you whether any frames actually got sent. Yeah. That.
• flush — another bool, and this one's the "do I update the RS bit and the tail register" switch 🔥

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🦋 DESCRIPTION 🦋

So here's the vibe check: idpf_xdp_tx_finalize sets the RS bit (you know, the "end of batch" one 😌), bumps the tail, and queues up the cleanup timer. Three little jobs, all iconic, no cap.

You call this after a NAPI polling loop — or at the end of .ndo_xdp_xmit etc. — like the closing number at the end of the show 👑

ngl, it's basically the "alright we're done, everybody out" of the XDP Tx path, and it ate. 💀

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🌈 SEE ALSO 🌈

• Kernel file ./drivers/net/ethernet/intel/idpf/xdp.h
• idpf_xdp_tx_xmit(9) — the sending half of this little duo, go read it 💖

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And that's a wrap, bestie 🎀 — this was idpf_xdp_tx_finalize(9) pulled from ./drivers/net/ethernet/intel/idpf, dated October 2026. Stan the kernel docs, mwah 💜