From: Jakub Kicinski <kuba@kernel.org>
To: Mina Almasry <almasrymina@google.com>
Cc: netdev@vger.kernel.org, Zinc Lim <zinclim@meta.com>, willemb@google.com
Subject: Re: fbnic qemu is open source
Date: Tue, 17 Mar 2026 14:34:46 -0700 [thread overview]
Message-ID: <20260317143446.4afabb97@kernel.org> (raw)
In-Reply-To: <CAHS8izMBx3j1nJwJ=b+ctGoJuEgTtMx8WsH2y-W=Sine+wo_3Q@mail.gmail.com>
On Tue, 17 Mar 2026 12:41:39 -0700 Mina Almasry wrote:
> > No plans at this stage to upstream it to QEMU because TBH I don't
> > expect that QEMU would care to carry random HW emulation drivers.
> >
> > Sorry if the announcement is a bit self-serving but folks expressed
> > interest off list in being able to test the queue API and zero-copy
> > Rx without real HW so I thought it's relevant.
>
> Wow, very cool! (Sorry I missed this announcement initially) I'm a bit
> of a noob but I'm a bit surprised a 'real' driver can work no qemu
> with a bit of magic.
>
> Is fbnic-on-qemu about as feature-rich as fbnic-on-real-hardware? Do
> most of what it can do on real hardware it can do on qemu, or is it
> just really zerocopy that fully works?
We implement the driver and QEMU side by side pre-silicon so the QEMU
should cover what the driver can do. Keep in mind it's a pretty simple
NIC, even "in the flesh".
next prev parent reply other threads:[~2026-03-17 21:34 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-09 18:38 fbnic qemu is open source Jakub Kicinski
2026-03-17 19:41 ` Mina Almasry
2026-03-17 21:34 ` Jakub Kicinski [this message]
2026-03-17 21:42 ` Adam Young
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