---

yaml
---
r: 122718
b: refs/heads/master
c: b240a0e
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: bf296b125b21b8d558ceb6ec30bb4eba2730cd6b
+refs/heads/master: b240a0e5644eb817c4a397098a40e1ad42a615bc

trunk/include/linux/ethtool.h

@@ -467,6 +467,8 @@ struct ethtool_ops {
 
 #define	ETHTOOL_GRXFH		0x00000029 /* Get RX flow hash configuration */
 #define	ETHTOOL_SRXFH		0x0000002a /* Set RX flow hash configuration */
+#define ETHTOOL_GGRO		0x0000002b /* Get GRO enable (ethtool_value) */
+#define ETHTOOL_SGRO		0x0000002c /* Set GRO enable (ethtool_value) */
 
 /* compatibility with older code */
 #define SPARC_ETH_GSET		ETHTOOL_GSET

trunk/net/core/ethtool.c

@@ -528,6 +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;
@@ -599,6 +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;
@@ -932,8 +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,
@@ -1014,6 +1057,12 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
 	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;
 	}