> > > I discussed it with Andrew earlier last year, and his response was:
> > >
> > >  DT configuration of pause for fixed link probably is sufficient. I
> > > don't  remember it ever been really discussed for DSA. It was a
> > > Melanox  discussion about limiting pause for the CPU. So I think it
> > > is safe to  not implement ethtool -A, at least until somebody has a
> > > real use case  for it.
> > >
> > > So I chose not to support it - no point supporting features that
> > > people aren't using. If you have a "real use case" then it can be added.
> >
> > This patch may be sufficient - I haven't fully considered all the
> > implications of changing this though.
> 
> Did you try this patch? What's the outcome?

For me patch worked as expected.

Thanks,
Stefan. 

> >
> >  drivers/net/phy/phylink.c | 9 +++------
> >  1 file changed, 3 insertions(+), 6 deletions(-)
> >
> > diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
> > index 7e0fdc17c8ee..2ee0d4dcf9a5 100644
> > --- a/drivers/net/phy/phylink.c
> > +++ b/drivers/net/phy/phylink.c
> > @@ -673,7 +673,6 @@ static void phylink_resolve(struct work_struct *w)
> >             switch (pl->cur_link_an_mode) {
> >             case MLO_AN_PHY:
> >                     link_state = pl->phy_state;
> > -                   phylink_apply_manual_flow(pl, &link_state);
> >                     mac_config = link_state.link;
> >                     break;
> >
> > @@ -698,11 +697,12 @@ static void phylink_resolve(struct work_struct
> *w)
> >                             link_state.pause = pl->phy_state.pause;
> >                             mac_config = true;
> >                     }
> > -                   phylink_apply_manual_flow(pl, &link_state);
> >                     break;
> >             }
> >     }
> >
> > +   phylink_apply_manual_flow(pl, &link_state);
> > +
> >     if (mac_config) {
> >             if (link_state.interface != pl->link_config.interface) {
> >                     /* The interface has changed, force the link down
> and @@ -1639,9
> > +1639,6 @@ int phylink_ethtool_set_pauseparam(struct phylink *pl,
> >
> >     ASSERT_RTNL();
> >
> > -   if (pl->cur_link_an_mode == MLO_AN_FIXED)
> > -           return -EOPNOTSUPP;
> > -
> >     if (!phylink_test(pl->supported, Pause) &&
> >         !phylink_test(pl->supported, Asym_Pause))
> >             return -EOPNOTSUPP;
> > @@ -1684,7 +1681,7 @@ int phylink_ethtool_set_pauseparam(struct
> phylink *pl,
> >     /* Update our in-band advertisement, triggering a renegotiation if
> >      * the advertisement changed.
> >      */
> > -   if (!pl->phydev)
> > +   if (!pl->phydev && pl->cur_link_an_mode != MLO_AN_FIXED)
> >             phylink_change_inband_advert(pl);
> >
> >     mutex_unlock(&pl->state_mutex);
> >
> > --
> > RMK's Patch system:
> > https://urldefense.proofpoint.com/v2/url?u=https-
> 3A__www.armlinux.org.
> >
> uk_developer_patches_&d=DwIBAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=DDQ
> 3dKwkTIxK
> >
> Al6_Bs7GMx4zhJArrXKN2mDMOXGh7lg&m=bLvAkwDrYioAER_dvXEqutiRiU
> W57bKfscMh
> > 71TGDxw&s=p5jgFDs7cxtpIE9LZ3ogOahGzpuKjG4PHOcPF6qXnXI&e=
> > FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!
> 
> --
> RMK's Patch system: https://urldefense.proofpoint.com/v2/url?u=https-
> 3A__www.armlinux.org.uk_developer_patches_&d=DwIBAg&c=nKjWec2b6
> R0mOyPaz7xtfQ&r=DDQ3dKwkTIxKAl6_Bs7GMx4zhJArrXKN2mDMOXGh7lg&
> m=bLvAkwDrYioAER_dvXEqutiRiUW57bKfscMh71TGDxw&s=p5jgFDs7cxtpIE9
> LZ3ogOahGzpuKjG4PHOcPF6qXnXI&e=
> FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!

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