On Thu, Jan 12, 2017 at 10:21:29AM -0500, Marc Bertola wrote:
> Hello netdev list,
> 
> I am currently investigating a problem related to Ethernet
> auto-negotiation of Pause and Asymmetrical Pause capabilities.

Hi Marc

Have you read:

commit 2fa3e25b454e267d8f55ee19c27be540495463e7
Author: Florian Fainelli <[email protected]>
Date:   Sun Nov 27 18:45:13 2016 -0800

    Documentation: net: phy: Add a paragraph about pause frames/flow control
    
    Describe that the Ethernet MAC controller is ultimately responsible for
    dealing with proper pause frames/flow control advertisement and
    enabling, and that it is therefore allowed to have it change
    phydev->supported/advertising with SUPPORTED_Pause and
    SUPPORTED_AsymPause.
    
    Reviewed-by: Martin Blumenstingl <[email protected]>
    Signed-off-by: Florian Fainelli <[email protected]>
    Signed-off-by: David S. Miller <[email protected]>

    Andrew

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