netdev - Re: [PATCH 4/5] net: phy: add XAUI and 10GBASE-KR PHY connection types

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Date:   Thu, 1 Jun 2017 18:32:49 +0100
From:   Russell King - ARM Linux <linux@...linux.org.uk>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     Andrew Lunn <andrew@...n.ch>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, netdev@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH 4/5] net: phy: add XAUI and 10GBASE-KR PHY connection
 types

On Thu, Jun 01, 2017 at 09:56:48AM -0700, Florian Fainelli wrote:
> On 06/01/2017 03:26 AM, Russell King wrote:
> > XAUI allows XGMII to reach an extended distance by using a XGXS layer at
> > each end of the MAC to PHY link, operating over four Serdes lanes.
> > 
> > 10GBASE-KR is a single lane Serdes backplane ethernet connection method
> > with autonegotiation on the link.  Some PHYs use this to connect to the
> > ethernet interface at 10G speeds, switching to other connection types
> > when utilising slower speeds.
> > 
> > 10GBASE-KR is also used for XFI and SFI to connect to XFP and SFP fiber
> > modules.
> > 
> > Signed-off-by: Russell King <rmk+kernel@...linux.org.uk>
> 
> This looks good, but you also need to update
> Documentation/ABI/testing/sysfs-class-net-phydev since we report
> phy_interface from sysfs.

Hmm, seems to be a new file recently merged into net-next.  Ok, I'll
provide an update for that.

-- 
RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
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