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| author | Michał Mirosław <mirq-linux@rere.qmqm.pl> | 2011-02-22 17:52:28 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-02-23 23:23:32 +0100 |
| commit | 4e4db200541d49404ff39ac482efee072dd72144 (patch) | |
| tree | aa8d62bf8b6fc551ccac1f3aa6b616e30031c4fa /net/core | |
| parent | net: avoid initial "Features changed" message (diff) | |
| download | linux-4e4db200541d49404ff39ac482efee072dd72144.tar.xz linux-4e4db200541d49404ff39ac482efee072dd72144.zip | |
net: Fix ETHTOOL_GFEATURES compatibility
Implement getting rx checksum state for not updated drivers.
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/ethtool.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/net/core/ethtool.c b/net/core/ethtool.c index 66cdc76770ce..69a3edc182f9 100644 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@ -168,6 +168,18 @@ EXPORT_SYMBOL(ethtool_ntuple_flush); #define ETHTOOL_DEV_FEATURE_WORDS 1 +static void ethtool_get_features_compat(struct net_device *dev, + struct ethtool_get_features_block *features) +{ + if (!dev->ethtool_ops) + return; + + /* getting RX checksum */ + if (dev->ethtool_ops->get_rx_csum) + if (dev->ethtool_ops->get_rx_csum(dev)) + features[0].active |= NETIF_F_RXCSUM; +} + static int ethtool_get_features(struct net_device *dev, void __user *useraddr) { struct ethtool_gfeatures cmd = { @@ -185,6 +197,8 @@ static int ethtool_get_features(struct net_device *dev, void __user *useraddr) u32 __user *sizeaddr; u32 copy_size; + ethtool_get_features_compat(dev, features); + sizeaddr = useraddr + offsetof(struct ethtool_gfeatures, size); if (get_user(copy_size, sizeaddr)) return -EFAULT; |