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Date:   Thu, 16 Jan 2020 19:36:56 +0200
From:   Vladimir Oltean <olteanv@...il.com>
To:     davem@...emloft.net, linux@...linux.org.uk, andrew@...n.ch,
        f.fainelli@...il.com, hkallweit1@...il.com
Cc:     netdev@...r.kernel.org, Vladimir Oltean <vladimir.oltean@....com>
Subject: [PATCH net-next] net: phylink: Allow 2.5BASE-T, 5GBASE-T and 10GBASE-T for the 10G link modes

From: Vladimir Oltean <vladimir.oltean@....com>

For some reason, PHYLINK does not put the copper modes for 802.3bz
(NBASE-T) and 802.3an-2006 (10GBASE-T) in the PHY's supported mask, when
the PHY-MAC connection is a 10G-capable one (10GBase-KR, 10GBase-R,
USXGMII). One possible way through which the cable side can work at the
lower speed is by having the PHY emit PAUSE frames towards the MAC. So
fix that omission.

Also include the 2500Base-X fiber mode in this list while we're at it.

Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
---
Resent to include netdev@...r.kernel.org in Cc (missed the first time).

 drivers/net/phy/phylink.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index f40d92ec32f8..e5a0f9c75042 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -308,6 +308,10 @@ static int phylink_parse_mode(struct phylink *pl, struct fwnode_handle *fwnode)
 			phylink_set(pl->supported, 1000baseT_Half);
 			phylink_set(pl->supported, 1000baseT_Full);
 			phylink_set(pl->supported, 1000baseX_Full);
+			phylink_set(pl->supported, 2500baseT_Full);
+			phylink_set(pl->supported, 2500baseX_Full);
+			phylink_set(pl->supported, 5000baseT_Full);
+			phylink_set(pl->supported, 10000baseT_Full);
 			phylink_set(pl->supported, 10000baseKR_Full);
 			phylink_set(pl->supported, 10000baseCR_Full);
 			phylink_set(pl->supported, 10000baseSR_Full);
-- 
2.17.1

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