提交 0d643e1f 编写于 作者: P Peter Waskiewicz 提交者: David S. Miller

ethtool: Move n-tuple capability check into set_flags

set_flags should check if the underlying device supports
n-tuple filter programming before setting the device flags
on the netdevice.
Signed-off-by: NPeter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 e8589118
......@@ -134,15 +134,21 @@ u32 ethtool_op_get_flags(struct net_device *dev)
int ethtool_op_set_flags(struct net_device *dev, u32 data)
{
const struct ethtool_ops *ops = dev->ethtool_ops;
if (data & ETH_FLAG_LRO)
dev->features |= NETIF_F_LRO;
else
dev->features &= ~NETIF_F_LRO;
if (data & ETH_FLAG_NTUPLE)
if (data & ETH_FLAG_NTUPLE) {
if (!ops->set_rx_ntuple)
return -EOPNOTSUPP;
dev->features |= NETIF_F_NTUPLE;
else
} else {
/* safe to clear regardless */
dev->features &= ~NETIF_F_NTUPLE;
}
return 0;
}
......@@ -318,9 +324,6 @@ static int ethtool_set_rx_ntuple(struct net_device *dev, void __user *useraddr)
struct ethtool_rx_ntuple_flow_spec_container *fsc = NULL;
int ret;
if (!ops->set_rx_ntuple)
return -EOPNOTSUPP;
if (!(dev->features & NETIF_F_NTUPLE))
return -EINVAL;
......
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