netdev - Re: [PATCH RFC net-next 04/16] net: phy: add phy_inband

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <4484cd63-87f7-4b3b-8251-b99b35b4d3a8@lunn.ch>
Date: Tue, 26 Nov 2024 21:56:47 +0100
From: Andrew Lunn <andrew@...n.ch>
To: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
Cc: Heiner Kallweit <hkallweit1@...il.com>,
	Alexander Couzens <lynxis@...0.eu>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
	Daniel Golle <daniel@...rotopia.org>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Florian Fainelli <florian.fainelli@...adcom.com>,
	Ioana Ciornei <ioana.ciornei@....com>,
	Jakub Kicinski <kuba@...nel.org>,
	Jose Abreu <Jose.Abreu@...opsys.com>,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org,
	Marcin Wojtas <marcin.s.wojtas@...il.com>,
	Matthias Brugger <matthias.bgg@...il.com>, netdev@...r.kernel.org,
	Paolo Abeni <pabeni@...hat.com>
Subject: Re: [PATCH RFC net-next 04/16] net: phy: add phy_inband_caps()

On Tue, Nov 26, 2024 at 09:24:35AM +0000, Russell King (Oracle) wrote:
> Add a method to query the PHY's in-band capabilities for a PHY
> interface mode.
> 
> Where the interface mode does not have in-band capability, or the PHY
> driver has not been updated to return this information, then
> phy_inband_caps() should return zero. Otherwise, PHY drivers will
> return a value consisting of the following flags:
> 
> LINK_INBAND_DISABLE indicates that the hardware does not support
> in-band signalling, or can have in-band signalling configured via
> software to be disabled.
> 
> LINK_INBAND_ENABLE indicates that the hardware will use in-band
> signalling, or can have in-band signalling configured via software
> to be enabled.
> 
> LINK_INBAND_BYPASS indicates that the hardware has the ability to
> bypass in-band signalling when enabled after a timeout if the link
> partner does not respond to its in-band signalling.
> 
> This reports the PHY capabilities for the particular interface mode,
> not the current configuration.
> 
> Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew