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Re: [Qemu-devel] [PATCH 3/4] rocker: bring link up/down on PHY enable/di
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-devel] [PATCH 3/4] rocker: bring link up/down on PHY enable/disable |
Date: |
Tue, 19 May 2015 14:38:52 +0100 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Wed, May 13, 2015 at 11:06:53PM -0700, address@hidden wrote:
> From: Scott Feldman <address@hidden>
>
> When the OS driver enables/disables the port, go ahead and set the port's
> link status to up/down in response to the change. This more closely
> emulates real hardware when the PHY for the port is brought up/down
> and the PHY negotiates carrier (link status) with link partner. In
> the case of qemu, the virtual rocker device can't really do link
> negotiation with the link partner as that requires signally over a
> physical medium (the wire), so just pretend the negotiation was
> successful and bring the link up when the port is enabled.
>
> Signed-off-by: Scott Feldman <address@hidden>
> ---
> hw/net/rocker/rocker_fp.c | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
Reviewed-by: Stefan Hajnoczi <address@hidden>
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