1 files changed, 63 insertions, 0 deletions

diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index f7a66abf5def..0b33a7b3a00c 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -16,6 +16,7 @@
 #include <linux/kernel.h>
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
+#include <linux/ethtool.h>
 
 #include <asm/uaccess.h>
 #include "br_private.h"
@@ -106,6 +107,64 @@ static int br_set_mac_address(struct net_device *dev, void *p)
 	return err;
 }
 
+static void br_getinfo(struct net_device *dev, struct ethtool_drvinfo *info)
+{
+	strcpy(info->driver, "bridge");
+	strcpy(info->version, BR_VERSION);
+	strcpy(info->fw_version, "N/A");
+	strcpy(info->bus_info, "N/A");
+}
+
+static int br_set_sg(struct net_device *dev, u32 data)
+{
+	struct net_bridge *br = netdev_priv(dev);
+
+	if (data)
+		br->feature_mask |= NETIF_F_SG;
+	else
+		br->feature_mask &= ~NETIF_F_SG;
+
+	br_features_recompute(br);
+	return 0;
+}
+
+static int br_set_tso(struct net_device *dev, u32 data)
+{
+	struct net_bridge *br = netdev_priv(dev);
+
+	if (data)
+		br->feature_mask |= NETIF_F_TSO;
+	else
+		br->feature_mask &= ~NETIF_F_TSO;
+
+	br_features_recompute(br);
+	return 0;
+}
+
+static int br_set_tx_csum(struct net_device *dev, u32 data)
+{
+	struct net_bridge *br = netdev_priv(dev);
+
+	if (data)
+		br->feature_mask |= NETIF_F_IP_CSUM;
+	else
+		br->feature_mask &= ~NETIF_F_IP_CSUM;
+
+	br_features_recompute(br);
+	return 0;
+}
+
+static struct ethtool_ops br_ethtool_ops = {
+	.get_drvinfo = br_getinfo,
+	.get_link = ethtool_op_get_link,
+	.get_sg = ethtool_op_get_sg,
+	.set_sg = br_set_sg,
+	.get_tx_csum = ethtool_op_get_tx_csum,
+	.set_tx_csum = br_set_tx_csum,
+	.get_tso = ethtool_op_get_tso,
+	.set_tso = br_set_tso,
+};
+
 void br_dev_setup(struct net_device *dev)
 {
 	memset(dev->dev_addr, 0, ETH_ALEN);
@@ -120,8 +179,12 @@ void br_dev_setup(struct net_device *dev)
 	dev->change_mtu = br_change_mtu;
 	dev->destructor = free_netdev;
 	SET_MODULE_OWNER(dev);
+ 	SET_ETHTOOL_OPS(dev, &br_ethtool_ops);
 	dev->stop = br_dev_stop;
 	dev->tx_queue_len = 0;
 	dev->set_mac_address = br_set_mac_address;
 	dev->priv_flags = IFF_EBRIDGE;
+
+ 	dev->features = NETIF_F_SG | NETIF_F_FRAGLIST
+ 		| NETIF_F_HIGHDMA | NETIF_F_TSO | NETIF_F_IP_CSUM;
 }