Merge branch 'fix/opl3sa2-suspend' into topic/isa-misc

[mv-sheeva.git] / net / core / ethtool.c

diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 0133b5ebd545287be9a2ee19d8fbf75db8e9ca59..947710a36ced534e0599a59dbd7860600e833376 100644 (file)
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -209,6 +209,36 @@ static int ethtool_get_drvinfo(struct net_device *dev, void __user *useraddr)
        return 0;
 }
 
+static int ethtool_set_rxhash(struct net_device *dev, void __user *useraddr)
+{
+       struct ethtool_rxnfc cmd;
+
+       if (!dev->ethtool_ops->set_rxhash)
+               return -EOPNOTSUPP;
+
+       if (copy_from_user(&cmd, useraddr, sizeof(cmd)))
+               return -EFAULT;
+
+       return dev->ethtool_ops->set_rxhash(dev, &cmd);
+}
+
+static int ethtool_get_rxhash(struct net_device *dev, void __user *useraddr)
+{
+       struct ethtool_rxnfc info;
+
+       if (!dev->ethtool_ops->get_rxhash)
+               return -EOPNOTSUPP;
+
+       if (copy_from_user(&info, useraddr, sizeof(info)))
+               return -EFAULT;
+
+       dev->ethtool_ops->get_rxhash(dev, &info);
+
+       if (copy_to_user(useraddr, &info, sizeof(info)))
+               return -EFAULT;
+       return 0;
+}
+
 static int ethtool_get_regs(struct net_device *dev, char __user *useraddr)
 {
        struct ethtool_regs regs;
@@ -498,6 +528,22 @@ static int ethtool_set_tx_csum(struct net_device *dev, char __user *useraddr)
        return dev->ethtool_ops->set_tx_csum(dev, edata.data);
 }
 
+static int ethtool_set_rx_csum(struct net_device *dev, char __user *useraddr)
+{
+       struct ethtool_value edata;
+
+       if (!dev->ethtool_ops->set_rx_csum)
+               return -EOPNOTSUPP;
+
+       if (copy_from_user(&edata, useraddr, sizeof(edata)))
+               return -EFAULT;
+
+       if (!edata.data && dev->ethtool_ops->set_sg)
+               dev->features &= ~NETIF_F_GRO;
+
+       return dev->ethtool_ops->set_rx_csum(dev, edata.data);
+}
+
 static int ethtool_set_sg(struct net_device *dev, char __user *useraddr)
 {
        struct ethtool_value edata;
@@ -569,6 +615,34 @@ static int ethtool_set_gso(struct net_device *dev, char __user *useraddr)
        return 0;
 }
 
+static int ethtool_get_gro(struct net_device *dev, char __user *useraddr)
+{
+       struct ethtool_value edata = { ETHTOOL_GGRO };
+
+       edata.data = dev->features & NETIF_F_GRO;
+       if (copy_to_user(useraddr, &edata, sizeof(edata)))
+                return -EFAULT;
+       return 0;
+}
+
+static int ethtool_set_gro(struct net_device *dev, char __user *useraddr)
+{
+       struct ethtool_value edata;
+
+       if (copy_from_user(&edata, useraddr, sizeof(edata)))
+               return -EFAULT;
+
+       if (edata.data) {
+               if (!dev->ethtool_ops->get_rx_csum ||
+                   !dev->ethtool_ops->get_rx_csum(dev))
+                       return -EINVAL;
+               dev->features |= NETIF_F_GRO;
+       } else
+               dev->features &= ~NETIF_F_GRO;
+
+       return 0;
+}
+
 static int ethtool_self_test(struct net_device *dev, char __user *useraddr)
 {
        struct ethtool_test test;
@@ -826,6 +900,7 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
        case ETHTOOL_GGSO:
        case ETHTOOL_GFLAGS:
        case ETHTOOL_GPFLAGS:
+       case ETHTOOL_GRXFH:
                break;
        default:
                if (!capable(CAP_NET_ADMIN))
@@ -901,8 +976,7 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
                                       dev->ethtool_ops->get_rx_csum);
                break;
        case ETHTOOL_SRXCSUM:
-               rc = ethtool_set_value(dev, useraddr,
-                                      dev->ethtool_ops->set_rx_csum);
+               rc = ethtool_set_rx_csum(dev, useraddr);
                break;
        case ETHTOOL_GTXCSUM:
                rc = ethtool_get_value(dev, useraddr, ethcmd,
@@ -977,6 +1051,18 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
                rc = ethtool_set_value(dev, useraddr,
                                       dev->ethtool_ops->set_priv_flags);
                break;
+       case ETHTOOL_GRXFH:
+               rc = ethtool_get_rxhash(dev, useraddr);
+               break;
+       case ETHTOOL_SRXFH:
+               rc = ethtool_set_rxhash(dev, useraddr);
+               break;
+       case ETHTOOL_GGRO:
+               rc = ethtool_get_gro(dev, useraddr);
+               break;
+       case ETHTOOL_SGRO:
+               rc = ethtool_set_gro(dev, useraddr);
+               break;
        default:
                rc = -EOPNOTSUPP;
        }