[libvirt PATCH 4/9] conf: add passt XML additions to schema
Jiri Denemark
jdenemar at redhat.com
Thu Jan 12 18:12:29 UTC 2023
On Thu, Jan 12, 2023 at 09:45:39 -0500, Laine Stump wrote:
> On 1/11/23 1:33 PM, Daniel P. Berrangé wrote:
> > On Sun, Jan 08, 2023 at 11:11:07PM -0500, Laine Stump wrote:
> >> + <backend type='passt' logFile='/var/log/loglaw.blog' upstream='eth42'/>
> >
> > I don't think that 'upstream' is really describing a property of the
> > backend.
> >
> > This is expressing a traffic routing restriction for the 'user'
> > networking type. IMHO it should probably be using the existing
> > <source dev="xxxx"/> element, that is currently used by the
> > 'direct' networking type.
>
> I'm still not sure *exactly* what it does; it apparently grabs the
> routes that are fed to the guest from the given host interface; I should
> probably ask Stefano to explain it to me again (he described it once,
> but that was along with explanations of several other things).
>
> So it's not *exactly* the same as <source dev='xxx'/> for type='direct'
> (which determines the link-level connection rather than IP routing), but
> definitely very similar.
>
>
> > Can we see about fixing this before release.
>
> Yes, that makes sense. I'm not sure why I didn't think of it (usually I
> try *too* hard to re-use existing XML).
>
> I'll make a patch and send it later today.
Great, I'm waiting with tagging rc2 until this is done.
Jirka
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