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Date:   Tue, 3 Aug 2021 17:50:26 +0200
From:   Simon Horman <simon.horman@...igine.com>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        oss-drivers@...igine.com, Fei Qin <fei.qin@...igine.com>,
        Louis Peens <louis.peens@...igine.com>
Subject: Re: [PATCH net] nfp: update ethtool reporting of pauseframe control

On Tue, Aug 03, 2021 at 05:03:33PM +0200, Andrew Lunn wrote:
> On Tue, Aug 03, 2021 at 12:39:11PM +0200, Simon Horman wrote:
> > From: Fei Qin <fei.qin@...igine.com>
> > 
> > Pauseframe control is set to symmetric mode by default on the NFP.
> > Pause frames can not be configured through ethtool now, but ethtool can
> > report the supported mode.
> > 
> > Fixes: 265aeb511bd5 ("nfp: add support for .get_link_ksettings()")
> > Signed-off-by: Fei Qin <fei.qin@...igine.com>
> > Signed-off-by: Louis Peens <louis.peens@...igine.com>
> > Signed-off-by: Simon Horman <simon.horman@...igine.com>
> > ---
> >  drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c | 2 ++
> >  1 file changed, 2 insertions(+)
> > 
> > diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c
> > index 1b482446536d..8803faadd302 100644
> > --- a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c
> > +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c
> > @@ -286,6 +286,8 @@ nfp_net_get_link_ksettings(struct net_device *netdev,
> >  
> >  	/* Init to unknowns */
> >  	ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
> > +	ethtool_link_ksettings_add_link_mode(cmd, supported, Pause);
> > +	ethtool_link_ksettings_add_link_mode(cmd, advertising, Pause);
> 
> Hi Simon
> 
> Does it act on the results of the pause auto-neg? If the link peer
> says it does not support pause, will it turn pause off?

Thanks Andrew,

I'll try and get an answer to that question for you.

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