diff options
Diffstat (limited to 'net/core/ethtool.c')
| -rw-r--r-- | net/core/ethtool.c | 46 |
1 files changed, 32 insertions, 14 deletions
diff --git a/net/core/ethtool.c b/net/core/ethtool.c index 2797e2815418..87dc556fd9d6 100644 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@ -143,7 +143,7 @@ static int ethtool_set_settings(struct net_device *dev, void __user *useraddr) static int ethtool_get_drvinfo(struct net_device *dev, void __user *useraddr) { struct ethtool_drvinfo info; - struct ethtool_ops *ops = dev->ethtool_ops; + const struct ethtool_ops *ops = dev->ethtool_ops; if (!ops->get_drvinfo) return -EOPNOTSUPP; @@ -169,7 +169,7 @@ static int ethtool_get_drvinfo(struct net_device *dev, void __user *useraddr) static int ethtool_get_regs(struct net_device *dev, char __user *useraddr) { struct ethtool_regs regs; - struct ethtool_ops *ops = dev->ethtool_ops; + const struct ethtool_ops *ops = dev->ethtool_ops; void *regbuf; int reglen, ret; @@ -282,7 +282,7 @@ static int ethtool_get_link(struct net_device *dev, void __user *useraddr) static int ethtool_get_eeprom(struct net_device *dev, void __user *useraddr) { struct ethtool_eeprom eeprom; - struct ethtool_ops *ops = dev->ethtool_ops; + const struct ethtool_ops *ops = dev->ethtool_ops; u8 *data; int ret; @@ -327,7 +327,7 @@ static int ethtool_get_eeprom(struct net_device *dev, void __user *useraddr) static int ethtool_set_eeprom(struct net_device *dev, void __user *useraddr) { struct ethtool_eeprom eeprom; - struct ethtool_ops *ops = dev->ethtool_ops; + const struct ethtool_ops *ops = dev->ethtool_ops; u8 *data; int ret; @@ -640,7 +640,7 @@ static int ethtool_set_gso(struct net_device *dev, char __user *useraddr) static int ethtool_self_test(struct net_device *dev, char __user *useraddr) { struct ethtool_test test; - struct ethtool_ops *ops = dev->ethtool_ops; + const struct ethtool_ops *ops = dev->ethtool_ops; u64 *data; int ret; @@ -673,7 +673,7 @@ static int ethtool_self_test(struct net_device *dev, char __user *useraddr) static int ethtool_get_strings(struct net_device *dev, void __user *useraddr) { struct ethtool_gstrings gstrings; - struct ethtool_ops *ops = dev->ethtool_ops; + const struct ethtool_ops *ops = dev->ethtool_ops; u8 *data; int ret; @@ -733,7 +733,7 @@ static int ethtool_phys_id(struct net_device *dev, void __user *useraddr) static int ethtool_get_stats(struct net_device *dev, void __user *useraddr) { struct ethtool_stats stats; - struct ethtool_ops *ops = dev->ethtool_ops; + const struct ethtool_ops *ops = dev->ethtool_ops; u64 *data; int ret; @@ -806,13 +806,6 @@ int dev_ethtool(struct ifreq *ifr) int rc; unsigned long old_features; - /* - * XXX: This can be pushed down into the ethtool_* handlers that - * need it. Keep existing behaviour for the moment. - */ - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - if (!dev || !netif_device_present(dev)) return -ENODEV; @@ -822,6 +815,27 @@ int dev_ethtool(struct ifreq *ifr) if (copy_from_user(ðcmd, useraddr, sizeof (ethcmd))) return -EFAULT; + /* Allow some commands to be done by anyone */ + switch(ethcmd) { + case ETHTOOL_GDRVINFO: + case ETHTOOL_GMSGLVL: + case ETHTOOL_GCOALESCE: + case ETHTOOL_GRINGPARAM: + case ETHTOOL_GPAUSEPARAM: + case ETHTOOL_GRXCSUM: + case ETHTOOL_GTXCSUM: + case ETHTOOL_GSG: + case ETHTOOL_GSTRINGS: + case ETHTOOL_GTSO: + case ETHTOOL_GPERMADDR: + case ETHTOOL_GUFO: + case ETHTOOL_GGSO: + break; + default: + if (!capable(CAP_NET_ADMIN)) + return -EPERM; + } + if(dev->ethtool_ops->begin) if ((rc = dev->ethtool_ops->begin(dev)) < 0) return rc; @@ -947,6 +961,10 @@ int dev_ethtool(struct ifreq *ifr) return rc; ioctl: + /* Keep existing behaviour for the moment. */ + if (!capable(CAP_NET_ADMIN)) + return -EPERM; + if (dev->do_ioctl) return dev->do_ioctl(dev, ifr, SIOCETHTOOL); return -EOPNOTSUPP; |