netdev - Re: quic in-kernel implementation?

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Date:   Mon, 07 Jun 2021 18:45:09 +0200
From:   Aurélien Aptel <aaptel@...e.com>
To:     Alexander Ahring Oder Aring <aahringo@...hat.com>,
        netdev@...r.kernel.org
Cc:     linux-nfs@...r.kernel.org, linux-cifs@...r.kernel.org,
        smfrench@...il.com, Leif Sahlberg <lsahlber@...hat.com>,
        Steven Whitehouse <swhiteho@...hat.com>
Subject: Re: quic in-kernel implementation?

Alexander Ahring Oder Aring <aahringo@...hat.com> writes:
> as I notice there exists several quic user space implementations, is
> there any interest or process of doing an in-kernel implementation? I
> am asking because I would like to try out quic with an in-kernel
> application protocol like DLM. Besides DLM I've heard that the SMB
> community is also interested into such implementation.

Yes SMB can work over QUIC. It would be nice if there was an in-kernel
implementation that cifs.ko could use. Many firewall block port 445
(SMB) despite the newer version of the protocol now having encryption,
signing, etc. Using QUIC (UDP port 443) would allow for more reliable
connectivity to cloud storage like azure.

There are already multiple well-tested C QUIC implementation out there
(Microsoft one for example, has a lot of extra code annotation to allow
for deep static analysis) but I'm not sure how we would go about porting
it to linux.

https://github.com/microsoft/msquic

Cheers,
-- 
Aurélien Aptel / SUSE Labs Samba Team
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