From e11e8729fafd3dc49397c28f320ac3b2d483abbc Mon Sep 17 00:00:00 2001
From: Romain Perier <romain.perier@collabora.com>
Date: Thu, 3 Aug 2017 09:49:03 +0200
Subject: [PATCH] net: arc_emac: Add support for ndo_do_ioctl net_device_ops
operation
This operation is required for handling ioctl commands like SIOCGMIIREG,
when debugging MDIO registers from userspace.
This commit adds support for this operation.
Signed-off-by: Romain Perier <romain.perier@collabora.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/arc/emac_main.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/net/ethernet/arc/emac_main.c b/drivers/net/ethernet/arc/emac_main.c
index 68de2f2652f2b..3241af1ce7182 100644
--- a/drivers/net/ethernet/arc/emac_main.c
+++ b/drivers/net/ethernet/arc/emac_main.c
@@ -720,6 +720,18 @@ static int arc_emac_set_address(struct net_device *ndev, void *p)
return 0;
}
+static int arc_emac_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+{
+ if (!netif_running(dev))
+ return -EINVAL;
+
+ if (!dev->phydev)
+ return -ENODEV;
+
+ return phy_mii_ioctl(dev->phydev, rq, cmd);
+}
+
+
static const struct net_device_ops arc_emac_netdev_ops = {
.ndo_open = arc_emac_open,
.ndo_stop = arc_emac_stop,
@@ -727,6 +739,7 @@ static const struct net_device_ops arc_emac_netdev_ops = {
.ndo_set_mac_address = arc_emac_set_address,
.ndo_get_stats = arc_emac_stats,
.ndo_set_rx_mode = arc_emac_set_rx_mode,
+ .ndo_do_ioctl = arc_emac_ioctl,
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = arc_emac_poll_controller,
#endif