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-rw-r--r--net/core/ethtool.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 0133b5ebd54..14ada537f89 100644
--- 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;
@@ -826,6 +856,7 @@ 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))
@@ -977,6 +1008,12 @@ 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;
default:
rc = -EOPNOTSUPP;
}