linux-kernel - [PATCH net-next 1/1] net: pcs: xpcs: Add Pause Mode support for SGMII and 2500BaseX

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Date:   Fri, 13 Aug 2021 10:11:29 +0800
From:   Wong Vee Khee <vee.khee.wong@...ux.intel.com>
To:     Jose Abreu <Jose.Abreu@...opsys.com>, Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Jakub Kicinski <kuba@...nel.org>,
        "David S . Miller" <davem@...emloft.net>,
        Russell King <linux@...linux.org.uk>
Cc:     Vladimir Oltean <vladimir.oltean@....com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH net-next 1/1] net: pcs: xpcs: Add Pause Mode support for SGMII and 2500BaseX

SGMII/2500BaseX supports Pause frame as defined in the IEEE802.3x
Flow Control standardization.

Add this as a supported feature under the xpcs_sgmii_features struct.

Cc: Vladimir Oltean <vladimir.oltean@....com>
Signed-off-by: Wong Vee Khee <vee.khee.wong@...ux.intel.com>
---
 drivers/net/pcs/pcs-xpcs.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/pcs/pcs-xpcs.c b/drivers/net/pcs/pcs-xpcs.c
index 63fda3fc40aa..0930ec201cd4 100644
--- a/drivers/net/pcs/pcs-xpcs.c
+++ b/drivers/net/pcs/pcs-xpcs.c
@@ -65,6 +65,9 @@ static const int xpcs_xlgmii_features[] = {
 };
 
 static const int xpcs_sgmii_features[] = {
+	ETHTOOL_LINK_MODE_Pause_BIT,
+	ETHTOOL_LINK_MODE_Asym_Pause_BIT,
+	ETHTOOL_LINK_MODE_Autoneg_BIT,
 	ETHTOOL_LINK_MODE_10baseT_Half_BIT,
 	ETHTOOL_LINK_MODE_10baseT_Full_BIT,
 	ETHTOOL_LINK_MODE_100baseT_Half_BIT,
@@ -75,6 +78,7 @@ static const int xpcs_sgmii_features[] = {
 };
 
 static const int xpcs_2500basex_features[] = {
+	ETHTOOL_LINK_MODE_Pause_BIT,
 	ETHTOOL_LINK_MODE_Asym_Pause_BIT,
 	ETHTOOL_LINK_MODE_Autoneg_BIT,
 	ETHTOOL_LINK_MODE_2500baseX_Full_BIT,
-- 
2.25.1