linux-kernel - [PATCH] enetc: ethtool: add wake-on-lan callbacks

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Message-Id: <20191107084000.18375-1-michael@walle.cc>
Date:   Thu,  7 Nov 2019 09:40:00 +0100
From:   Michael Walle <michael@...le.cc>
To:     linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Cc:     Claudiu Manoil <claudiu.manoil@....com>,
        "David S . Miller" <davem@...emloft.net>,
        Michael Walle <michael@...le.cc>
Subject: [PATCH] enetc: ethtool: add wake-on-lan callbacks

If there is an external PHY, pass the wake-on-lan request to the PHY.

Signed-off-by: Michael Walle <michael@...le.cc>
---
 .../ethernet/freescale/enetc/enetc_ethtool.c  | 27 +++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c b/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c
index fcb52efec075..880a8ed8bb47 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c
+++ b/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c
@@ -584,6 +584,31 @@ static int enetc_get_ts_info(struct net_device *ndev,
 	return 0;
 }
 
+static void enetc_get_wol(struct net_device *dev,
+			  struct ethtool_wolinfo *wol)
+{
+	wol->supported = 0;
+	wol->wolopts = 0;
+
+	if (dev->phydev)
+		phy_ethtool_get_wol(dev->phydev, wol);
+}
+
+static int enetc_set_wol(struct net_device *dev,
+			 struct ethtool_wolinfo *wol)
+{
+	int ret;
+
+	if (!dev->phydev)
+		return -EOPNOTSUPP;
+
+	ret = phy_ethtool_set_wol(dev->phydev, wol);
+	if (!ret)
+		device_set_wakeup_enable(&dev->dev, wol->wolopts);
+
+	return ret;
+}
+
 static const struct ethtool_ops enetc_pf_ethtool_ops = {
 	.get_regs_len = enetc_get_reglen,
 	.get_regs = enetc_get_regs,
@@ -601,6 +626,8 @@ static const struct ethtool_ops enetc_pf_ethtool_ops = {
 	.set_link_ksettings = phy_ethtool_set_link_ksettings,
 	.get_link = ethtool_op_get_link,
 	.get_ts_info = enetc_get_ts_info,
+	.get_wol = enetc_get_wol,
+	.set_wol = enetc_set_wol,
 };
 
 static const struct ethtool_ops enetc_vf_ethtool_ops = {
-- 
2.20.1