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;
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;
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;
case ETHTOOL_GGSO:
case ETHTOOL_GFLAGS:
case ETHTOOL_GPFLAGS:
+ case ETHTOOL_GRXFH:
break;
default:
if (!capable(CAP_NET_ADMIN))
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,
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;
}