From 4e4db200541d49404ff39ac482efee072dd72144 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Micha=C5=82=20Miros=C5=82aw?= Date: Tue, 22 Feb 2011 16:52:28 +0000 Subject: [PATCH] net: Fix ETHTOOL_GFEATURES compatibility MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Implement getting rx checksum state for not updated drivers. Signed-off-by: Michał Mirosław Signed-off-by: David S. Miller --- net/core/ethtool.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) 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; -- 2.20.1