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From: Dmitry Fleytman <dmitry@daynix.com>
Date: Wed, 27 Mar 2013 18:56:15 +0200
Message-ID: <CAGHCxhf82aZd834zCA5SApcb8HU599DeULOFmd_NHF8f=XtDEg@mail.gmail.com>
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Subject: Re: [Qemu-devel] vmxnet3 iPXE compatibility
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To: Stefan Hajnoczi <stefanha@gmail.com>
Cc: qemu-devel <qemu-devel@nongnu.org>

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Hi Stefan,

The issue is we never tested this device with iPXE, so according to
Murphy's law it cannot work :).
We'll take a look...

Dmitry.

On Mon, Mar 25, 2013 at 2:26 PM, Stefan Hajnoczi <stefanha@gmail.com> wrote:

> Hi Dmitry,
> QEMU vmxnet3 produces the following warning with iPXE
> (77f64b11f764e721f4f8704b7b90317e52d85fc3):
>
> $ cd ~/ipxe/src
> $ make bin/vmxnet3.rom
> $ qemu-system-x86_64 -netdev user,id=netdev0 -device
> vmxnet3,netdev=netdev0,romfile=bin/vmxnet3.rom
> [vmxnet3][WR][vmxnet3_peer_has_vnet_hdr]: Peer has no virtio
> extension. Task offloads will be emulated.
> [vmxnet3][WR][vmxnet3_get_command_status]: Received request for
> unknown command: cafe0002
>
> The warning about virtio extensions is expected since I chose slirp
> networking.
>
> iPXE does not show the NIC ('ifstat' command).  I guess the driver
> gave up during initialization:
>
> https://git.ipxe.org/ipxe.git/blob/HEAD:/src/drivers/net/vmxnet3.c#l613
>
> Any ideas?
>
> Stefan
>
> PS: I discovered this when testing net patches for the pull request I
> just sent out.  It's not a blocker, so vmxnet3 will finally be in
> qemu.git/master very soon!
>

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<div dir=3D"ltr">Hi Stefan,<div><br></div><div style>The issue is we never =
tested this device with iPXE, so according to Murphy&#39;s law it cannot wo=
rk :).</div><div style>We&#39;ll take a look...</div><div class=3D"gmail_ex=
tra">

<br></div><div class=3D"gmail_extra">Dmitry.<br><br><div class=3D"gmail_quo=
te">On Mon, Mar 25, 2013 at 2:26 PM, Stefan Hajnoczi <span dir=3D"ltr">&lt;=
<a href=3D"mailto:stefanha@gmail.com" target=3D"_blank">stefanha@gmail.com<=
/a>&gt;</span> wrote:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">Hi Dmitry,<br>
QEMU vmxnet3 produces the following warning with iPXE<br>
(77f64b11f764e721f4f8704b7b90317e52d85fc3):<br>
<br>
$ cd ~/ipxe/src<br>
$ make bin/vmxnet3.rom<br>
$ qemu-system-x86_64 -netdev user,id=3Dnetdev0 -device<br>
vmxnet3,netdev=3Dnetdev0,romfile=3Dbin/vmxnet3.rom<br>
[vmxnet3][WR][vmxnet3_peer_has_vnet_hdr]: Peer has no virtio<br>
extension. Task offloads will be emulated.<br>
[vmxnet3][WR][vmxnet3_get_command_status]: Received request for<br>
unknown command: cafe0002<br>
<br>
The warning about virtio extensions is expected since I chose slirp network=
ing.<br>
<br>
iPXE does not show the NIC (&#39;ifstat&#39; command). =A0I guess the drive=
r<br>
gave up during initialization:<br>
<br>
<a href=3D"https://git.ipxe.org/ipxe.git/blob/HEAD:/src/drivers/net/vmxnet3=
.c#l613" target=3D"_blank">https://git.ipxe.org/ipxe.git/blob/HEAD:/src/dri=
vers/net/vmxnet3.c#l613</a><br>
<br>
Any ideas?<br>
<span class=3D"HOEnZb"><font color=3D"#888888"><br>
Stefan<br>
</font></span><br>
PS: I discovered this when testing net patches for the pull request I<br>
just sent out. =A0It&#39;s not a blocker, so vmxnet3 will finally be in<br>
qemu.git/master very soon!<br>
</blockquote></div><br></div></div>

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