diff options
Diffstat (limited to 'net/core/ethtool.c')
| -rw-r--r-- | net/core/ethtool.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/net/core/ethtool.c b/net/core/ethtool.c index 956a9f4971c..17741782a34 100644 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@ -891,6 +891,20 @@ static int ethtool_nway_reset(struct net_device *dev) return dev->ethtool_ops->nway_reset(dev); } +static int ethtool_get_link(struct net_device *dev, char __user *useraddr) +{ + struct ethtool_value edata = { .cmd = ETHTOOL_GLINK }; + + if (!dev->ethtool_ops->get_link) + return -EOPNOTSUPP; + + edata.data = netif_running(dev) && dev->ethtool_ops->get_link(dev); + + if (copy_to_user(useraddr, &edata, sizeof(edata))) + return -EFAULT; + return 0; +} + static int ethtool_get_eeprom(struct net_device *dev, void __user *useraddr) { struct ethtool_eeprom eeprom; @@ -1171,7 +1185,9 @@ static int ethtool_set_ufo(struct net_device *dev, char __user *useraddr) return -EFAULT; if (edata.data && !(dev->features & NETIF_F_SG)) return -EINVAL; - if (edata.data && !(dev->features & NETIF_F_HW_CSUM)) + if (edata.data && !((dev->features & NETIF_F_GEN_CSUM) || + (dev->features & (NETIF_F_IP_CSUM|NETIF_F_IPV6_CSUM)) + == (NETIF_F_IP_CSUM|NETIF_F_IPV6_CSUM))) return -EINVAL; return dev->ethtool_ops->set_ufo(dev, edata.data); } @@ -1528,8 +1544,7 @@ int dev_ethtool(struct net *net, struct ifreq *ifr) rc = ethtool_nway_reset(dev); break; case ETHTOOL_GLINK: - rc = ethtool_get_value(dev, useraddr, ethcmd, - dev->ethtool_ops->get_link); + rc = ethtool_get_link(dev, useraddr); break; case ETHTOOL_GEEPROM: rc = ethtool_get_eeprom(dev, useraddr); |