netdev - [PATCH net-next 7/7] net: hibmcge: Add ioctl supported in this module

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Message-ID: <20250213035529.2402283-8-shaojijie@huawei.com>
Date: Thu, 13 Feb 2025 11:55:29 +0800
From: Jijie Shao <shaojijie@...wei.com>
To: <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
	<pabeni@...hat.com>, <andrew+netdev@...n.ch>, <horms@...nel.org>
CC: <shenjian15@...wei.com>, <wangpeiyang1@...wei.com>,
	<liuyonglong@...wei.com>, <chenhao418@...wei.com>, <sudongming1@...wei.com>,
	<xujunsheng@...wei.com>, <shiyongbang@...wei.com>, <libaihan@...wei.com>,
	<jonathan.cameron@...wei.com>, <shameerali.kolothum.thodi@...wei.com>,
	<salil.mehta@...wei.com>, <netdev@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <shaojijie@...wei.com>
Subject: [PATCH net-next 7/7] net: hibmcge: Add ioctl supported in this module

This patch implements the ioctl interface to
read and write the PHY register.

Signed-off-by: Jijie Shao <shaojijie@...wei.com>
---
 .../net/ethernet/hisilicon/hibmcge/hbg_main.c  | 18 ++++++++++++++++++
 .../net/ethernet/hisilicon/hibmcge/hbg_mdio.c  | 10 ++++++++++
 .../net/ethernet/hisilicon/hibmcge/hbg_mdio.h  |  2 ++
 3 files changed, 30 insertions(+)

diff --git a/drivers/net/ethernet/hisilicon/hibmcge/hbg_main.c b/drivers/net/ethernet/hisilicon/hibmcge/hbg_main.c
index 78999d41f41d..afd04ed65eee 100644
--- a/drivers/net/ethernet/hisilicon/hibmcge/hbg_main.c
+++ b/drivers/net/ethernet/hisilicon/hibmcge/hbg_main.c
@@ -273,6 +273,23 @@ static netdev_features_t hbg_net_fix_features(struct net_device *netdev,
 	return features & HBG_SUPPORT_FEATURES;
 }
 
+static int hbg_net_eth_ioctl(struct net_device *dev, struct ifreq *ifr, s32 cmd)
+{
+	struct hbg_priv *priv = netdev_priv(dev);
+
+	if (test_bit(HBG_NIC_STATE_RESETTING, &priv->state))
+		return -EBUSY;
+
+	switch (cmd) {
+	case SIOCGMIIPHY:
+	case SIOCGMIIREG:
+	case SIOCSMIIREG:
+		return hbg_mdio_ioctl(priv, ifr, cmd);
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
 static const struct net_device_ops hbg_netdev_ops = {
 	.ndo_open		= hbg_net_open,
 	.ndo_stop		= hbg_net_stop,
@@ -284,6 +301,7 @@ static const struct net_device_ops hbg_netdev_ops = {
 	.ndo_set_rx_mode	= hbg_net_set_rx_mode,
 	.ndo_get_stats64	= hbg_net_get_stats,
 	.ndo_fix_features	= hbg_net_fix_features,
+	.ndo_eth_ioctl		= hbg_net_eth_ioctl,
 };
 
 static void hbg_service_task(struct work_struct *work)
diff --git a/drivers/net/ethernet/hisilicon/hibmcge/hbg_mdio.c b/drivers/net/ethernet/hisilicon/hibmcge/hbg_mdio.c
index 8de6d57bd5f3..7080f3011f2d 100644
--- a/drivers/net/ethernet/hisilicon/hibmcge/hbg_mdio.c
+++ b/drivers/net/ethernet/hisilicon/hibmcge/hbg_mdio.c
@@ -246,3 +246,13 @@ int hbg_mdio_init(struct hbg_priv *priv)
 	hbg_mdio_init_hw(priv);
 	return hbg_phy_connect(priv);
 }
+
+int hbg_mdio_ioctl(struct hbg_priv *priv, struct ifreq *ifr, int cmd)
+{
+	struct hbg_mac *mac = &priv->mac;
+
+	if (!mac->phydev)
+		return -ENODEV;
+
+	return phy_mii_ioctl(mac->phydev, ifr, cmd);
+}
diff --git a/drivers/net/ethernet/hisilicon/hibmcge/hbg_mdio.h b/drivers/net/ethernet/hisilicon/hibmcge/hbg_mdio.h
index febd02a309c7..3edca6cd0801 100644
--- a/drivers/net/ethernet/hisilicon/hibmcge/hbg_mdio.h
+++ b/drivers/net/ethernet/hisilicon/hibmcge/hbg_mdio.h
@@ -9,4 +9,6 @@
 int hbg_mdio_init(struct hbg_priv *priv);
 void hbg_phy_start(struct hbg_priv *priv);
 void hbg_phy_stop(struct hbg_priv *priv);
+int hbg_mdio_ioctl(struct hbg_priv *priv, struct ifreq *ifr, int cmd);
+
 #endif
-- 
2.33.0