From: Stephen Hemminger <shemminger@vyatta.com>
To: Rusty Russell <rusty@rustcorp.com.au>
Cc: David Miller <davem@davemloft.net>,
pktoss@gmail.com, dcbw@redhat.com, netdev@vger.kernel.org
Subject: Re: [PATCH] Make virtio_net support carrier detection
Date: Thu, 12 Mar 2009 16:55:43 -0700 [thread overview]
Message-ID: <20090312165543.5f0e356b@nehalam> (raw)
In-Reply-To: <200903131017.11572.rusty@rustcorp.com.au>
On Fri, 13 Mar 2009 10:17:11 +1030
Rusty Russell <rusty@rustcorp.com.au> wrote:
> On Friday 13 March 2009 08:09:49 Rusty Russell wrote:
> > On Thursday 12 March 2009 23:22:35 David Miller wrote:
> > > If the link is always on, you should make that explicit by providing
> > > a link state handler, and making sure it always returns true.
> >
> > "If". We've discussed adding a virtio_net feature to indicate link status,
> > which implies that it's *not* always on.
>
> Actually, I've changed my mind.
>
> Unlike a device which *has* a carrier which we can't detect, there's no
> virtio_net "device" which can turn off link (not kvm/qemu, not lguest) without
> the pending VIRTIO_NET_S_LINK feature.
>
Yes, need that feature, it is really useful for testing.
It is about the only reason I hold onto using VMware.
next prev parent reply other threads:[~2009-03-12 23:55 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1236772642-12705-1-git-send-email-pktoss@gmail.com>
2009-03-12 7:29 ` [PATCH] Make virtio_net support carrier detection Rusty Russell
2009-03-12 7:44 ` Pantelis Koukousoulas
2009-03-12 9:16 ` Rusty Russell
2009-03-12 10:23 ` Pantelis Koukousoulas
2009-03-12 11:05 ` Pantelis Koukousoulas
2009-03-12 11:43 ` Dan Williams
2009-03-12 12:47 ` Pantelis Koukousoulas
2009-03-12 12:52 ` David Miller
2009-03-12 12:58 ` Pantelis Koukousoulas
2009-03-12 13:03 ` David Miller
2009-03-12 13:10 ` Pantelis Koukousoulas
2009-03-12 13:41 ` Dan Williams
2009-03-12 13:55 ` Dan Williams
2009-03-12 21:39 ` Rusty Russell
2009-03-12 23:47 ` Rusty Russell
2009-03-12 23:55 ` Stephen Hemminger [this message]
2009-03-13 5:04 ` Pantelis Koukousoulas
2009-03-13 19:01 ` David Miller
2009-03-14 0:19 ` Rusty Russell
2009-03-14 10:40 ` Pantelis Koukousoulas
2009-03-14 11:33 ` Pantelis Koukousoulas
2009-03-15 22:39 ` Rusty Russell
2009-03-16 2:05 ` Pantelis Koukousoulas
2009-03-16 2:58 ` David Miller
2009-03-16 3:13 ` Rusty Russell
2009-03-16 3:15 ` David Miller
2009-03-14 0:23 Rusty Russell
2009-03-19 1:40 ` David Miller
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