From: Xi Wang <wangxi11@huawei.com>
Date: Wed, 19 Sep 2018 18:29:51 +0100
Subject: net: hns3: Add support for hns3_nic_netdev_ops.ndo_do_ioctl
Patch-mainline: v4.20-rc1
Git-commit: 26483246b5481af56facb55dac1dc05d7443c124
References: bsc#1104353 FATE#326415

This patch adds the .ndo_do_ioctl net_device_ops operation to support
the PHY MII ioctl for PF driver.

Fixes: 76ad4f0ee747 ("net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC")
Signed-off-by: Xi Wang <wangxi11@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/hisilicon/hns3/hnae3.h             |    2 ++
 drivers/net/ethernet/hisilicon/hns3/hns3_enet.c         |   15 +++++++++++++++
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c |   13 +++++++++++++
 3 files changed, 30 insertions(+)

--- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
@@ -337,6 +337,8 @@ struct hnae3_ae_ops {
 	void (*get_mac_addr)(struct hnae3_handle *handle, u8 *p);
 	int (*set_mac_addr)(struct hnae3_handle *handle, void *p,
 			    bool is_first);
+	int (*do_ioctl)(struct hnae3_handle *handle,
+			struct ifreq *ifr, int cmd);
 	int (*add_uc_addr)(struct hnae3_handle *handle,
 			   const unsigned char *addr);
 	int (*rm_uc_addr)(struct hnae3_handle *handle,
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -1239,6 +1239,20 @@ static int hns3_nic_net_set_mac_address(
 	return 0;
 }
 
+static int hns3_nic_do_ioctl(struct net_device *netdev,
+			     struct ifreq *ifr, int cmd)
+{
+	struct hnae3_handle *h = hns3_get_handle(netdev);
+
+	if (!netif_running(netdev))
+		return -EINVAL;
+
+	if (!h->ae_algo->ops->do_ioctl)
+		return -EOPNOTSUPP;
+
+	return h->ae_algo->ops->do_ioctl(h, ifr, cmd);
+}
+
 static int hns3_nic_set_features(struct net_device *netdev,
 				 netdev_features_t features)
 {
@@ -1565,6 +1579,7 @@ static const struct net_device_ops hns3_
 	.ndo_start_xmit		= hns3_nic_net_xmit,
 	.ndo_tx_timeout		= hns3_nic_net_timeout,
 	.ndo_set_mac_address	= hns3_nic_net_set_mac_address,
+	.ndo_do_ioctl		= hns3_nic_do_ioctl,
 	.ndo_change_mtu		= hns3_nic_change_mtu,
 	.ndo_set_features	= hns3_nic_set_features,
 	.ndo_get_stats64	= hns3_nic_get_stats64,
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -4308,6 +4308,18 @@ static int hclge_set_mac_addr(struct hna
 	return 0;
 }
 
+static int hclge_do_ioctl(struct hnae3_handle *handle, struct ifreq *ifr,
+			  int cmd)
+{
+	struct hclge_vport *vport = hclge_get_vport(handle);
+	struct hclge_dev *hdev = vport->back;
+
+	if (!hdev->hw.mac.phydev)
+		return -EOPNOTSUPP;
+
+	return phy_mii_ioctl(hdev->hw.mac.phydev, ifr, cmd);
+}
+
 static int hclge_set_vlan_filter_ctrl(struct hclge_dev *hdev, u8 vlan_type,
 				      bool filter_en)
 {
@@ -5983,6 +5995,7 @@ static const struct hnae3_ae_ops hclge_o
 	.get_tc_size = hclge_get_tc_size,
 	.get_mac_addr = hclge_get_mac_addr,
 	.set_mac_addr = hclge_set_mac_addr,
+	.do_ioctl = hclge_do_ioctl,
 	.add_uc_addr = hclge_add_uc_addr,
 	.rm_uc_addr = hclge_rm_uc_addr,
 	.add_mc_addr = hclge_add_mc_addr,