r8169: add basic MII ioctl support

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>

diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 0025b8367ece153a7165278b354909ee9fb1775a..ace895b2e221d8404181a7e7d29803e0100750fd 100644 (file)
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -1475,6 +1475,32 @@ static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
                printk(KERN_INFO PFX "%s: TBI auto-negotiating\n", dev->name);
 }
 
+static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+{
+       struct rtl8169_private *tp = netdev_priv(dev);
+       struct mii_ioctl_data *data = if_mii(ifr);
+
+       if (!netif_running(dev))
+               return -ENODEV;
+
+       switch (cmd) {
+       case SIOCGMIIPHY:
+               data->phy_id = 32; /* Internal PHY */
+               return 0;
+
+       case SIOCGMIIREG:
+               data->val_out = mdio_read(tp->mmio_addr, data->reg_num & 0x1f);
+               return 0;
+
+       case SIOCSMIIREG:
+               if (!capable(CAP_NET_ADMIN))
+                       return -EPERM;
+               mdio_write(tp->mmio_addr, data->reg_num & 0x1f, data->val_in);
+               return 0;
+       }
+       return -EOPNOTSUPP;
+}
+
 static int __devinit
 rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
@@ -1639,6 +1665,8 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
                tp->phy_reset_enable = rtl8169_xmii_reset_enable;
                tp->phy_reset_pending = rtl8169_xmii_reset_pending;
                tp->link_ok = rtl8169_xmii_link_ok;
+
+               dev->do_ioctl = rtl8169_ioctl;
        }
 
        /* Get MAC address.  FIXME: read EEPROM */