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From: Rusty Russell <rusty@rustcorp.com.au>
To: David Miller <davem@davemloft.net>
Cc: pktoss@gmail.com, dcbw@redhat.com, netdev@vger.kernel.org
Subject: Re: [PATCH] Make virtio_net support carrier detection
Date: Mon, 16 Mar 2009 13:43:13 +1030	[thread overview]
Message-ID: <200903161343.13894.rusty@rustcorp.com.au> (raw)
In-Reply-To: <20090315.195806.97939686.davem@davemloft.net>

On Monday 16 March 2009 13:28:06 David Miller wrote:
> > Or should all devices which can't detect carrier set it to on, so
> > older NetworkManagers work?
> 
> It is my opinion that this is the only correct behavior.
> 
> If you don't know, it's on.  Because "on" means "usable".  And you
> can't fault NetworkManager or any other tool for making that kind of
> decision.

Yes, I agree that NM has to assume unknown == on.  But I still think the
kernel is right as it is to return -EOPNOTSUPP and let userspace deal with it.

"Let's fix broken userspace in the kernel" arguments make me nervous ;)

Cheers,
Rusty.

  reply	other threads:[~2009-03-16  3:13 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
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 [this message]
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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