#include <linux/module.h>
#include <linux/types.h>
+#include <linux/capability.h>
#include <linux/errno.h>
#include <linux/ethtool.h>
#include <linux/netdevice.h>
u32 ethtool_op_get_tx_csum(struct net_device *dev)
{
- return (dev->features & NETIF_F_IP_CSUM) != 0;
+ return (dev->features & NETIF_F_ALL_CSUM) != 0;
}
int ethtool_op_set_tx_csum(struct net_device *dev, u32 data)
return 0;
}
+int ethtool_op_set_tx_hw_csum(struct net_device *dev, u32 data)
+{
+ if (data)
+ dev->features |= NETIF_F_HW_CSUM;
+ else
+ dev->features &= ~NETIF_F_HW_CSUM;
+
+ return 0;
+}
u32 ethtool_op_get_sg(struct net_device *dev)
{
return (dev->features & NETIF_F_SG) != 0;
return 0;
}
+int ethtool_op_get_perm_addr(struct net_device *dev, struct ethtool_perm_addr *addr, u8 *data)
+{
+ unsigned char len = dev->addr_len;
+ if ( addr->size < len )
+ return -ETOOSMALL;
+
+ addr->size = len;
+ memcpy(data, dev->perm_addr, len);
+ return 0;
+}
+
+
+u32 ethtool_op_get_ufo(struct net_device *dev)
+{
+ return (dev->features & NETIF_F_UFO) != 0;
+}
+
+int ethtool_op_set_ufo(struct net_device *dev, u32 data)
+{
+ if (data)
+ dev->features |= NETIF_F_UFO;
+ else
+ dev->features &= ~NETIF_F_UFO;
+ return 0;
+}
+
/* Handlers for each ethtool command */
static int ethtool_get_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;
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;
if (copy_to_user(useraddr, ®s, sizeof(regs)))
goto out;
useraddr += offsetof(struct ethtool_regs, data);
- if (copy_to_user(useraddr, regbuf, reglen))
+ if (copy_to_user(useraddr, regbuf, regs.len))
goto out;
ret = 0;
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;
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;
{
struct ethtool_coalesce coalesce;
- if (!dev->ethtool_ops->get_coalesce)
+ if (!dev->ethtool_ops->set_coalesce)
return -EOPNOTSUPP;
if (copy_from_user(&coalesce, useraddr, sizeof(coalesce)))
{
struct ethtool_pauseparam pauseparam;
- if (!dev->ethtool_ops->get_pauseparam)
+ if (!dev->ethtool_ops->set_pauseparam)
return -EOPNOTSUPP;
if (copy_from_user(&pauseparam, useraddr, sizeof(pauseparam)))
return 0;
}
+static int __ethtool_set_sg(struct net_device *dev, u32 data)
+{
+ int err;
+
+ if (!data && dev->ethtool_ops->set_tso) {
+ err = dev->ethtool_ops->set_tso(dev, 0);
+ if (err)
+ return err;
+ }
+
+ if (!data && dev->ethtool_ops->set_ufo) {
+ err = dev->ethtool_ops->set_ufo(dev, 0);
+ if (err)
+ return err;
+ }
+ return dev->ethtool_ops->set_sg(dev, data);
+}
+
static int ethtool_set_tx_csum(struct net_device *dev, char __user *useraddr)
{
struct ethtool_value edata;
+ int err;
if (!dev->ethtool_ops->set_tx_csum)
return -EOPNOTSUPP;
if (copy_from_user(&edata, useraddr, sizeof(edata)))
return -EFAULT;
+ if (!edata.data && dev->ethtool_ops->set_sg) {
+ err = __ethtool_set_sg(dev, 0);
+ if (err)
+ return err;
+ }
+
return dev->ethtool_ops->set_tx_csum(dev, edata.data);
}
if (copy_from_user(&edata, useraddr, sizeof(edata)))
return -EFAULT;
- return dev->ethtool_ops->set_sg(dev, edata.data);
+ if (edata.data &&
+ !(dev->features & NETIF_F_ALL_CSUM))
+ return -EINVAL;
+
+ return __ethtool_set_sg(dev, edata.data);
}
static int ethtool_get_tso(struct net_device *dev, char __user *useraddr)
if (copy_from_user(&edata, useraddr, sizeof(edata)))
return -EFAULT;
+ if (edata.data && !(dev->features & NETIF_F_SG))
+ return -EINVAL;
+
return dev->ethtool_ops->set_tso(dev, edata.data);
}
+static int ethtool_get_ufo(struct net_device *dev, char __user *useraddr)
+{
+ struct ethtool_value edata = { ETHTOOL_GUFO };
+
+ if (!dev->ethtool_ops->get_ufo)
+ return -EOPNOTSUPP;
+ edata.data = dev->ethtool_ops->get_ufo(dev);
+ if (copy_to_user(useraddr, &edata, sizeof(edata)))
+ return -EFAULT;
+ return 0;
+}
+
+static int ethtool_set_ufo(struct net_device *dev, char __user *useraddr)
+{
+ struct ethtool_value edata;
+
+ if (!dev->ethtool_ops->set_ufo)
+ return -EOPNOTSUPP;
+ if (copy_from_user(&edata, useraddr, sizeof(edata)))
+ return -EFAULT;
+ if (edata.data && !(dev->features & NETIF_F_SG))
+ return -EINVAL;
+ if (edata.data && !(dev->features & NETIF_F_HW_CSUM))
+ return -EINVAL;
+ return dev->ethtool_ops->set_ufo(dev, edata.data);
+}
+
+static int ethtool_get_gso(struct net_device *dev, char __user *useraddr)
+{
+ struct ethtool_value edata = { ETHTOOL_GGSO };
+
+ edata.data = dev->features & NETIF_F_GSO;
+ if (copy_to_user(useraddr, &edata, sizeof(edata)))
+ return -EFAULT;
+ return 0;
+}
+
+static int ethtool_set_gso(struct net_device *dev, char __user *useraddr)
+{
+ struct ethtool_value edata;
+
+ if (copy_from_user(&edata, useraddr, sizeof(edata)))
+ return -EFAULT;
+ if (edata.data)
+ dev->features |= NETIF_F_GSO;
+ else
+ dev->features &= ~NETIF_F_GSO;
+ return 0;
+}
+
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;
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;
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;
return ret;
}
+static int ethtool_get_perm_addr(struct net_device *dev, void __user *useraddr)
+{
+ struct ethtool_perm_addr epaddr;
+ u8 *data;
+ int ret;
+
+ if (!dev->ethtool_ops->get_perm_addr)
+ return -EOPNOTSUPP;
+
+ if (copy_from_user(&epaddr,useraddr,sizeof(epaddr)))
+ return -EFAULT;
+
+ data = kmalloc(epaddr.size, GFP_USER);
+ if (!data)
+ return -ENOMEM;
+
+ ret = dev->ethtool_ops->get_perm_addr(dev,&epaddr,data);
+ if (ret)
+ return ret;
+
+ ret = -EFAULT;
+ if (copy_to_user(useraddr, &epaddr, sizeof(epaddr)))
+ goto out;
+ useraddr += sizeof(epaddr);
+ if (copy_to_user(useraddr, data, epaddr.size))
+ goto out;
+ ret = 0;
+
+ out:
+ kfree(data);
+ return ret;
+}
+
/* The main entry point in this file. Called from net/core/dev.c */
int dev_ethtool(struct ifreq *ifr)
{
struct net_device *dev = __dev_get_by_name(ifr->ifr_name);
- void __user *useraddr = (void __user *) ifr->ifr_data;
+ void __user *useraddr = ifr->ifr_data;
u32 ethcmd;
-
- /*
- * 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;
+ int rc;
+ unsigned long old_features;
if (!dev || !netif_device_present(dev))
return -ENODEV;
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;
+
+ old_features = dev->features;
+
switch (ethcmd) {
case ETHTOOL_GSET:
- return ethtool_get_settings(dev, useraddr);
+ rc = ethtool_get_settings(dev, useraddr);
+ break;
case ETHTOOL_SSET:
- return ethtool_set_settings(dev, useraddr);
+ rc = ethtool_set_settings(dev, useraddr);
+ break;
case ETHTOOL_GDRVINFO:
- return ethtool_get_drvinfo(dev, useraddr);
+ rc = ethtool_get_drvinfo(dev, useraddr);
+ break;
case ETHTOOL_GREGS:
- return ethtool_get_regs(dev, useraddr);
+ rc = ethtool_get_regs(dev, useraddr);
+ break;
case ETHTOOL_GWOL:
- return ethtool_get_wol(dev, useraddr);
+ rc = ethtool_get_wol(dev, useraddr);
+ break;
case ETHTOOL_SWOL:
- return ethtool_set_wol(dev, useraddr);
+ rc = ethtool_set_wol(dev, useraddr);
+ break;
case ETHTOOL_GMSGLVL:
- return ethtool_get_msglevel(dev, useraddr);
+ rc = ethtool_get_msglevel(dev, useraddr);
+ break;
case ETHTOOL_SMSGLVL:
- return ethtool_set_msglevel(dev, useraddr);
+ rc = ethtool_set_msglevel(dev, useraddr);
+ break;
case ETHTOOL_NWAY_RST:
- return ethtool_nway_reset(dev);
+ rc = ethtool_nway_reset(dev);
+ break;
case ETHTOOL_GLINK:
- return ethtool_get_link(dev, useraddr);
+ rc = ethtool_get_link(dev, useraddr);
+ break;
case ETHTOOL_GEEPROM:
- return ethtool_get_eeprom(dev, useraddr);
+ rc = ethtool_get_eeprom(dev, useraddr);
+ break;
case ETHTOOL_SEEPROM:
- return ethtool_set_eeprom(dev, useraddr);
+ rc = ethtool_set_eeprom(dev, useraddr);
+ break;
case ETHTOOL_GCOALESCE:
- return ethtool_get_coalesce(dev, useraddr);
+ rc = ethtool_get_coalesce(dev, useraddr);
+ break;
case ETHTOOL_SCOALESCE:
- return ethtool_set_coalesce(dev, useraddr);
+ rc = ethtool_set_coalesce(dev, useraddr);
+ break;
case ETHTOOL_GRINGPARAM:
- return ethtool_get_ringparam(dev, useraddr);
+ rc = ethtool_get_ringparam(dev, useraddr);
+ break;
case ETHTOOL_SRINGPARAM:
- return ethtool_set_ringparam(dev, useraddr);
+ rc = ethtool_set_ringparam(dev, useraddr);
+ break;
case ETHTOOL_GPAUSEPARAM:
- return ethtool_get_pauseparam(dev, useraddr);
+ rc = ethtool_get_pauseparam(dev, useraddr);
+ break;
case ETHTOOL_SPAUSEPARAM:
- return ethtool_set_pauseparam(dev, useraddr);
+ rc = ethtool_set_pauseparam(dev, useraddr);
+ break;
case ETHTOOL_GRXCSUM:
- return ethtool_get_rx_csum(dev, useraddr);
+ rc = ethtool_get_rx_csum(dev, useraddr);
+ break;
case ETHTOOL_SRXCSUM:
- return ethtool_set_rx_csum(dev, useraddr);
+ rc = ethtool_set_rx_csum(dev, useraddr);
+ break;
case ETHTOOL_GTXCSUM:
- return ethtool_get_tx_csum(dev, useraddr);
+ rc = ethtool_get_tx_csum(dev, useraddr);
+ break;
case ETHTOOL_STXCSUM:
- return ethtool_set_tx_csum(dev, useraddr);
+ rc = ethtool_set_tx_csum(dev, useraddr);
+ break;
case ETHTOOL_GSG:
- return ethtool_get_sg(dev, useraddr);
+ rc = ethtool_get_sg(dev, useraddr);
+ break;
case ETHTOOL_SSG:
- return ethtool_set_sg(dev, useraddr);
+ rc = ethtool_set_sg(dev, useraddr);
+ break;
case ETHTOOL_GTSO:
- return ethtool_get_tso(dev, useraddr);
+ rc = ethtool_get_tso(dev, useraddr);
+ break;
case ETHTOOL_STSO:
- return ethtool_set_tso(dev, useraddr);
+ rc = ethtool_set_tso(dev, useraddr);
+ break;
case ETHTOOL_TEST:
- return ethtool_self_test(dev, useraddr);
+ rc = ethtool_self_test(dev, useraddr);
+ break;
case ETHTOOL_GSTRINGS:
- return ethtool_get_strings(dev, useraddr);
+ rc = ethtool_get_strings(dev, useraddr);
+ break;
case ETHTOOL_PHYS_ID:
- return ethtool_phys_id(dev, useraddr);
+ rc = ethtool_phys_id(dev, useraddr);
+ break;
case ETHTOOL_GSTATS:
- return ethtool_get_stats(dev, useraddr);
+ rc = ethtool_get_stats(dev, useraddr);
+ break;
+ case ETHTOOL_GPERMADDR:
+ rc = ethtool_get_perm_addr(dev, useraddr);
+ break;
+ case ETHTOOL_GUFO:
+ rc = ethtool_get_ufo(dev, useraddr);
+ break;
+ case ETHTOOL_SUFO:
+ rc = ethtool_set_ufo(dev, useraddr);
+ break;
+ case ETHTOOL_GGSO:
+ rc = ethtool_get_gso(dev, useraddr);
+ break;
+ case ETHTOOL_SGSO:
+ rc = ethtool_set_gso(dev, useraddr);
+ break;
default:
- return -EOPNOTSUPP;
+ rc = -EOPNOTSUPP;
}
+
+ if(dev->ethtool_ops->complete)
+ dev->ethtool_ops->complete(dev);
+
+ if (old_features != dev->features)
+ netdev_features_change(dev);
+
+ 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;
EXPORT_SYMBOL(dev_ethtool);
EXPORT_SYMBOL(ethtool_op_get_link);
+EXPORT_SYMBOL_GPL(ethtool_op_get_perm_addr);
EXPORT_SYMBOL(ethtool_op_get_sg);
EXPORT_SYMBOL(ethtool_op_get_tso);
EXPORT_SYMBOL(ethtool_op_get_tx_csum);
EXPORT_SYMBOL(ethtool_op_set_sg);
EXPORT_SYMBOL(ethtool_op_set_tso);
EXPORT_SYMBOL(ethtool_op_set_tx_csum);
+EXPORT_SYMBOL(ethtool_op_set_tx_hw_csum);
+EXPORT_SYMBOL(ethtool_op_set_ufo);
+EXPORT_SYMBOL(ethtool_op_get_ufo);
git://git.onelab.eu / linux-2.6.git / blobdiff