Add support for get-MII-data ioctls in 8139cp net driver

diff --git a/drivers/net/8139cp.c b/drivers/net/8139cp.c
index fde6bb26d3d95939983510657fa8888b796a1052..a029c68812b3d55e1435bd20c6bc3f5a2547a051 100644 (file)
--- a/drivers/net/8139cp.c
+++ b/drivers/net/8139cp.c
@@ -1649,14 +1649,27 @@ err_out_gregs:
 static int cp_ioctl (struct net_device *dev, struct ifreq *rq, int cmd)
 {
        struct cp_private *cp = dev->priv;
+       struct mii_ioctl_data *mii;
        int rc = 0;
 
+       mii = (struct mii_ioctl_data *) &rq->ifr_data;
        if (!netif_running(dev))
                return -EINVAL;
 
+       if (cmd != SIOCETHTOOL) 
+               mii->reg_num &= 0x1f;
+       
        switch (cmd) {
        case SIOCETHTOOL:
                return cp_ethtool_ioctl(cp, (void *) rq->ifr_data);
+               
+       case SIOCGMIIPHY:       /* Get the address of the PHY in use. */
+               mii->phy_id = CP_INTERNAL_PHY;
+               /* Fall Through */
+
+       case SIOCGMIIREG:       /* Read the specified MII register. */
+               mii->val_out = mdio_read (dev, CP_INTERNAL_PHY, mii->reg_num);
+               break;
 
        default:
                rc = -EOPNOTSUPP;