Re: Reboot on *DOM0* while/after installing GPLPV drivers

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Fri, Dec 13, 2013 at 12:48:56AM +0000, Mike C. wrote:
> 
> On 12/12/13 18:31, Manuel Bouyer wrote:
> > On Thu, Dec 12, 2013 at 06:07:14PM +0000, Mike C. wrote:
> >> I've been working with James Harper (the gplpv drivers dev) on this, or
> >> better... he's been doing all the work!
> >>
> >> We are still testing but It seems that he pretty much solved the problem!
> >>
> >> Quoting his words:
> >> "Looking in the backend source, netbsd definitely doesn't know about or
> >> advertise support for gso, so it's a bug in my drivers that it is
> >> enabled when the "feature-gso-tcpv4" doesn't even exist. Should be easy
> >> to fix."
> >>
> >> I found a similar problem with FreeBSD-10 Domu's, seems that the PV
> >> drivers also expect TSO/GSO features are there, but they might not be,
> >> depending on the Dom0 support.
> >>
> >> I wonder though, and sorry if I'm about to say something ridiculous...
> >> but could NetBSD Xen backhend be modified to advertise this? IIRC NetBSD
> >> supports TSO right?
> > For some ethernet adapters.
> > Il would require a lot of work to support it on the domU site:
> > support at the bridge level, and then emulate it if the ethernet adapter
> > doesn't support it.
> >
> But the DomUs already support this (FreeBSD, Windows, Some Linux)... And
> its supported in the Linux Dom0's too, such has Debian...
> Same thing with Jumbo Frames...
> 
> The mains difference is the bridge.... its a different implementation in
> NetBSD ofc... Linux supports a few more features...
> 
> Anyway I do understand this things take time, but I also would like to
> know if there will be any changes in NetBSD regarding this (in some near
> future) or is this something that will never happen?

AFAIK nobody is working on this

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
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