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

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Message-ID: <CADvbK_c2YE8KfXE2KP0=a_zaUm-AWNOwpmyeDCQURA3AtbDpOQ@mail.gmail.com>
Date: Thu, 8 Jan 2026 12:44:37 -0500
From: Xin Long <lucien.xin@...il.com>
To: Paolo Abeni <pabeni@...hat.com>
Cc: network dev <netdev@...r.kernel.org>, quic@...ts.linux.dev, 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 Thu, Jan 8, 2026 at 10:01 AM Paolo Abeni <pabeni@...hat.com> wrote:
>
> 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().
>
Not much, just when using quic_do_{get,set}sockopt(), KERNEL_SOCKPTR()
will be used around the optval and optlen.

It should be fine to change to expose quic_do_{get,set}sockopt().

Thanks.