rxrpc_sock_s...age_response(9)

💅 NAME 💅

okay so bestie, this is rxrpc_sock_s...age_response(9) straight out of the Kernel API Manual, and the function's government name is rxrpc_sock_set_manage_response — it sets the manage-response flag for a kernel service. that's the whole vibe. 🎀

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✨ SYNOPSIS ✨

int rxrpc_sock_set_manage_response (struct sock *sk , bool set );

like literally that's the signature, don't come for me, it's copy-pasted exactly. 🫶

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🌸 ARGUMENTS 🌸

• sk — the socket you're setting the keyring on. yeah. that's what it says. 🙈
• set — true to set the flag, false to clear it. binary queen behavior, we love a boolean. ✨

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🦋 DESCRIPTION 🦋

so what this does is set a flag on an rxrpc socket that says "hey, i wanna manage the RESPONSE packet myself, thank you very much" — and that includes the user-defined data the packet may be carrying. main character energy fr fr. 👑

once you've set this, recvmsg will return messages with RXRPC_CHALLENGED sitting in the control message buffer, and that's the tea — it's carrying all the info about the challenge. 📬

then, bestie, you gotta respond to that challenge. how? by passing RXRPC_RESPOND or RXRPC_RESPOND_ABORT control messages with sendmsg to the same call. same call. not a different one. iykyk. 🔥

you can also toss in supplementary control messages — RXRPC_RESP_RXGK_APPDATA being the example — to indicate which parts you want to supply. pick and choose, it's your world. 💅

and then the server gets handed the response data with a RXRPC_RESPONDED control message when it gets the first data from each call. slay, the pipeline is pipelining. 🌈

⚠️ okay important caveat time: this is only honoured by security classes that actually need auxiliary data (e.g. RxGK). the ones that don't offer the facility (e.g. RxKAD) just respond on their own without consulting userspace at all. so if you're on RxKAD and wondering why nobody's asking you anything... that's why. not you, it's them. 💀

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⭐ RETURN ⭐

the previous setting. that's it, that's the return value. 🎀

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🧚 SEE ALSO 🧚

• Kernel file ./net/rxrpc/server_key.c
• rxrpc_sock_set_security_keyring(9)

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okay bye bestie, go manage those responses responsibly 💖 — this lil gem lives in ./net/rxrpc, dated October 2026, and you can find it chilling in the Kernel API Manual whenever you need it. mwah. 🌸🦋✨