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ethtool: Move n-tuple capability check into set_flags

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set_flags should check if the underlying device supports
n-tuple filter programming before setting the device flags
on the netdevice.

Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Peter Waskiewicz 2010-02-12 13:48:25 +00:00 committed by David S. Miller
parent e858911804
commit 0d643e1fb4
1 changed files with 8 additions and 5 deletions
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13
net/core/ethtool.c
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@ -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;