linux-kernel - [PATCH 1/2] net: cadence: macb: add support for the WOL

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Message-Id: <1405328538-29153-1-git-send-email-neidhard.kim@lge.com>
Date:	Mon, 14 Jul 2014 18:02:18 +0900
From:	Jongsung Kim <neidhard.kim@....com>
To:	nicolas.ferre@...el.com
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	davem@...emloft.net, Jongsung Kim <neidhard.kim@....com>
Subject: [PATCH 1/2] net: cadence: macb: add support for the WOL

This patch enables the ethtool utility to control the WOL function
of the PHY connected to the GEM/MACB. (if supported)

Signed-off-by: Jongsung Kim <neidhard.kim@....com>
---
 drivers/net/ethernet/cadence/macb.c |   26 ++++++++++++++++++++++++++
 1 files changed, 26 insertions(+), 0 deletions(-)

diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c
index e9daa07..7ad8909 100644
--- a/drivers/net/ethernet/cadence/macb.c
+++ b/drivers/net/ethernet/cadence/macb.c
@@ -1742,11 +1742,37 @@ static void macb_get_regs(struct net_device *dev, struct ethtool_regs *regs,
 	}
 }
 
+static void macb_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
+{
+	struct macb *bp = netdev_priv(netdev);
+	struct phy_device *phydev = bp->phy_dev;
+
+	wol->supported = 0;
+	wol->wolopts = 0;
+
+	if (phydev)
+		phy_ethtool_get_wol(phydev, wol);
+}
+
+static int macb_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
+{
+	struct macb *bp = netdev_priv(netdev);
+	struct phy_device *phydev = bp->phy_dev;
+	int err = -ENODEV;
+
+	if (phydev)
+		err = phy_ethtool_set_wol(phydev, wol);
+
+	return err;
+}
+
 const struct ethtool_ops macb_ethtool_ops = {
 	.get_settings		= macb_get_settings,
 	.set_settings		= macb_set_settings,
 	.get_regs_len		= macb_get_regs_len,
 	.get_regs		= macb_get_regs,
+	.get_wol		= macb_get_wol,
+	.set_wol		= macb_set_wol,
 	.get_link		= ethtool_op_get_link,
 	.get_ts_info		= ethtool_op_get_ts_info,
 };
-- 
1.7.1

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