[PATCH RFC net-next 04/16] net: phy: add phy_inband_caps()

[Andrew Lunn]

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 at armlinux.org.uk>

Reviewed-by: Andrew Lunn <andrew at lunn.ch>

    Andrew