netdev - Re: [PATCH net-next v6 05/16] quic: provide quic.h header files for kernel and userspace

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Message-ID: <1f31a9ac-01dd-4bb1-9a5a-ec67b381c5c0@redhat.com>
Date: Thu, 8 Jan 2026 16:00:50 +0100
From: Paolo Abeni <pabeni@...hat.com>
To: Xin Long <lucien.xin@...il.com>, network dev <netdev@...r.kernel.org>,
 quic@...ts.linux.dev
Cc: davem@...emloft.net, kuba@...nel.org, Eric Dumazet <edumazet@...gle.com>,
 Simon Horman <horms@...nel.org>, Stefan Metzmacher <metze@...ba.org>,
 Moritz Buhl <mbuhl@...nbsd.org>, Tyler Fanelli <tfanelli@...hat.com>,
 Pengtao He <hepengtao@...omi.com>, Thomas Dreibholz <dreibh@...ula.no>,
 linux-cifs@...r.kernel.org, Steve French <smfrench@...il.com>,
 Namjae Jeon <linkinjeon@...nel.org>, Paulo Alcantara <pc@...guebit.com>,
 Tom Talpey <tom@...pey.com>, kernel-tls-handshake@...ts.linux.dev,
 Chuck Lever <chuck.lever@...cle.com>, Jeff Layton <jlayton@...nel.org>,
 Steve Dickson <steved@...hat.com>, Hannes Reinecke <hare@...e.de>,
 Alexander Aring <aahringo@...hat.com>, David Howells <dhowells@...hat.com>,
 Matthieu Baerts <matttbe@...nel.org>, John Ericson <mail@...nericson.me>,
 Cong Wang <xiyou.wangcong@...il.com>, "D . Wythe"
 <alibuda@...ux.alibaba.com>, Jason Baron <jbaron@...mai.com>,
 illiliti <illiliti@...tonmail.com>, Sabrina Dubroca <sd@...asysnail.net>,
 Marcelo Ricardo Leitner <marcelo.leitner@...il.com>,
 Daniel Stenberg <daniel@...x.se>,
 Andy Gospodarek <andrew.gospodarek@...adcom.com>
Subject: Re: [PATCH net-next v6 05/16] quic: provide quic.h header files for
 kernel and userspace

On 1/5/26 3:04 PM, Xin Long wrote:
> This commit adds quic.h to include/uapi/linux, providing the necessary
> definitions for the QUIC socket API. Exporting this header allows both
> user space applications and kernel subsystems to access QUIC-related
> control messages, socket options, and event/notification interfaces.
> 
> Since kernel_get/setsockopt() is no longer available to kernel consumers,
> a corresponding internal header, include/linux/quic.h, is added. 

Re-adding kernel_get/setsockopt() variants after removal, but just for a
single protocol is a bit ackward. The current series does not have any
user.

Do such helpers save a lot of duplicate code? Otherwise I would instead
expose quic_do_{get,set}sockopt().

/P