static int qlcnic_set_flags(struct net_device *netdev, u32 data)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
int hw_lro;
if ((ethtool_op_get_flags(netdev) & ~ETH_FLAG_LRO) !=
(data & ~ETH_FLAG_LRO))
return -EINVAL;
if (data & ETH_FLAG_LRO) {
if (netdev->features & NETIF_F_LRO)
return 0;
if (!(adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO))
return -EINVAL;
if (!adapter->rx_csum) {
dev_info(&adapter->pdev->dev, "rx csum is off, "
"cannot toggle lro\n");
return -EINVAL;
}
hw_lro = QLCNIC_LRO_ENABLED;
netdev->features |= NETIF_F_LRO;
} else {
if (!(netdev->features & NETIF_F_LRO))
return 0;
hw_lro = 0;
netdev->features &= ~NETIF_F_LRO;
}
if (qlcnic_config_hw_lro(adapter, hw_lro))
return -EIO;
if ((hw_lro == 0) && qlcnic_send_lro_cleanup(adapter))
return -EIO;
return 0;
}
static int qlcnic_set_flags(struct net_device *netdev, u32 data)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
int hw_lro;
if (!(adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO))
return -EINVAL;
ethtool_op_set_flags(netdev, data);
hw_lro = (data & ETH_FLAG_LRO) ? QLCNIC_LRO_ENABLED : 0;
if (qlcnic_config_hw_lro(adapter, hw_lro))
return -EIO;
if ((hw_lro == 0) && qlcnic_send_lro_cleanup(adapter))
return -EIO;
return 0;
}
static int qlcnic_set_rx_csum(struct net_device *dev, u32 data)
{
struct qlcnic_adapter *adapter = netdev_priv(dev);
if ((adapter->flags & QLCNIC_ESWITCH_ENABLED))
return -EOPNOTSUPP;
if (!!data) {
adapter->rx_csum = !!data;
return 0;
}
if (dev->features & NETIF_F_LRO) {
if (qlcnic_config_hw_lro(adapter, QLCNIC_LRO_DISABLED))
return -EIO;
dev->features &= ~NETIF_F_LRO;
qlcnic_send_lro_cleanup(adapter);
}
adapter->rx_csum = !!data;
dev_info(&adapter->pdev->dev, "disabling LRO as rx_csum is off\n");
return 0;
}