rc = ops->get_sset_count(dev, ETH_SS_STATS);
if (rc >= 0)
info.n_stats = rc;
+ rc = ops->get_sset_count(dev, ETH_SS_PRIV_FLAGS);
+ if (rc >= 0)
+ info.n_priv_flags = rc;
} else {
/* code path for obsolete hooks */
return 0;
}
+static int ethtool_set_rxhash(struct net_device *dev, void __user *useraddr)
+{
+ struct ethtool_rxnfc cmd;
+
+ if (!dev->ethtool_ops->set_rxhash)
+ return -EOPNOTSUPP;
+
+ if (copy_from_user(&cmd, useraddr, sizeof(cmd)))
+ return -EFAULT;
+
+ return dev->ethtool_ops->set_rxhash(dev, &cmd);
+}
+
+static int ethtool_get_rxhash(struct net_device *dev, void __user *useraddr)
+{
+ struct ethtool_rxnfc info;
+
+ if (!dev->ethtool_ops->get_rxhash)
+ return -EOPNOTSUPP;
+
+ if (copy_from_user(&info, useraddr, sizeof(info)))
+ return -EFAULT;
+
+ dev->ethtool_ops->get_rxhash(dev, &info);
+
+ if (copy_to_user(useraddr, &info, sizeof(info)))
+ return -EFAULT;
+ return 0;
+}
+
static int ethtool_get_regs(struct net_device *dev, char __user *useraddr)
{
struct ethtool_regs regs;
return dev->ethtool_ops->set_wol(dev, &wol);
}
-static int ethtool_get_msglevel(struct net_device *dev, char __user *useraddr)
-{
- struct ethtool_value edata = { ETHTOOL_GMSGLVL };
-
- if (!dev->ethtool_ops->get_msglevel)
- return -EOPNOTSUPP;
-
- edata.data = dev->ethtool_ops->get_msglevel(dev);
-
- if (copy_to_user(useraddr, &edata, sizeof(edata)))
- return -EFAULT;
- return 0;
-}
-
-static int ethtool_set_msglevel(struct net_device *dev, char __user *useraddr)
-{
- struct ethtool_value edata;
-
- if (!dev->ethtool_ops->set_msglevel)
- return -EOPNOTSUPP;
-
- if (copy_from_user(&edata, useraddr, sizeof(edata)))
- return -EFAULT;
-
- dev->ethtool_ops->set_msglevel(dev, edata.data);
- return 0;
-}
-
static int ethtool_nway_reset(struct net_device *dev)
{
if (!dev->ethtool_ops->nway_reset)
return dev->ethtool_ops->nway_reset(dev);
}
-static int ethtool_get_link(struct net_device *dev, void __user *useraddr)
-{
- struct ethtool_value edata = { ETHTOOL_GLINK };
-
- if (!dev->ethtool_ops->get_link)
- return -EOPNOTSUPP;
-
- edata.data = 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;
const struct ethtool_ops *ops = dev->ethtool_ops;
+ void __user *userbuf = useraddr + sizeof(eeprom);
+ u32 bytes_remaining;
u8 *data;
- int ret;
+ int ret = 0;
if (!ops->get_eeprom || !ops->get_eeprom_len)
return -EOPNOTSUPP;
if (eeprom.offset + eeprom.len > ops->get_eeprom_len(dev))
return -EINVAL;
- data = kmalloc(eeprom.len, GFP_USER);
+ data = kmalloc(PAGE_SIZE, GFP_USER);
if (!data)
return -ENOMEM;
- ret = -EFAULT;
- if (copy_from_user(data, useraddr + sizeof(eeprom), eeprom.len))
- goto out;
+ bytes_remaining = eeprom.len;
+ while (bytes_remaining > 0) {
+ eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE);
- ret = ops->get_eeprom(dev, &eeprom, data);
- if (ret)
- goto out;
+ ret = ops->get_eeprom(dev, &eeprom, data);
+ if (ret)
+ break;
+ if (copy_to_user(userbuf, data, eeprom.len)) {
+ ret = -EFAULT;
+ break;
+ }
+ userbuf += eeprom.len;
+ eeprom.offset += eeprom.len;
+ bytes_remaining -= eeprom.len;
+ }
- ret = -EFAULT;
+ eeprom.len = userbuf - (useraddr + sizeof(eeprom));
+ eeprom.offset -= eeprom.len;
if (copy_to_user(useraddr, &eeprom, sizeof(eeprom)))
- goto out;
- if (copy_to_user(useraddr + sizeof(eeprom), data, eeprom.len))
- goto out;
- ret = 0;
+ ret = -EFAULT;
- out:
kfree(data);
return ret;
}
{
struct ethtool_eeprom eeprom;
const struct ethtool_ops *ops = dev->ethtool_ops;
+ void __user *userbuf = useraddr + sizeof(eeprom);
+ u32 bytes_remaining;
u8 *data;
- int ret;
+ int ret = 0;
if (!ops->set_eeprom || !ops->get_eeprom_len)
return -EOPNOTSUPP;
if (eeprom.offset + eeprom.len > ops->get_eeprom_len(dev))
return -EINVAL;
- data = kmalloc(eeprom.len, GFP_USER);
+ data = kmalloc(PAGE_SIZE, GFP_USER);
if (!data)
return -ENOMEM;
- ret = -EFAULT;
- if (copy_from_user(data, useraddr + sizeof(eeprom), eeprom.len))
- goto out;
-
- ret = ops->set_eeprom(dev, &eeprom, data);
- if (ret)
- goto out;
+ bytes_remaining = eeprom.len;
+ while (bytes_remaining > 0) {
+ eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE);
- if (copy_to_user(useraddr + sizeof(eeprom), data, eeprom.len))
- ret = -EFAULT;
+ if (copy_from_user(data, userbuf, eeprom.len)) {
+ ret = -EFAULT;
+ break;
+ }
+ ret = ops->set_eeprom(dev, &eeprom, data);
+ if (ret)
+ break;
+ userbuf += eeprom.len;
+ eeprom.offset += eeprom.len;
+ bytes_remaining -= eeprom.len;
+ }
- out:
kfree(data);
return ret;
}
return dev->ethtool_ops->set_pauseparam(dev, &pauseparam);
}
-static int ethtool_get_rx_csum(struct net_device *dev, char __user *useraddr)
-{
- struct ethtool_value edata = { ETHTOOL_GRXCSUM };
-
- if (!dev->ethtool_ops->get_rx_csum)
- return -EOPNOTSUPP;
-
- edata.data = dev->ethtool_ops->get_rx_csum(dev);
-
- if (copy_to_user(useraddr, &edata, sizeof(edata)))
- return -EFAULT;
- return 0;
-}
-
-static int ethtool_set_rx_csum(struct net_device *dev, char __user *useraddr)
-{
- struct ethtool_value edata;
-
- if (!dev->ethtool_ops->set_rx_csum)
- return -EOPNOTSUPP;
-
- if (copy_from_user(&edata, useraddr, sizeof(edata)))
- return -EFAULT;
-
- dev->ethtool_ops->set_rx_csum(dev, edata.data);
- return 0;
-}
-
-static int ethtool_get_tx_csum(struct net_device *dev, char __user *useraddr)
-{
- struct ethtool_value edata = { ETHTOOL_GTXCSUM };
-
- if (!dev->ethtool_ops->get_tx_csum)
- return -EOPNOTSUPP;
-
- edata.data = dev->ethtool_ops->get_tx_csum(dev);
-
- if (copy_to_user(useraddr, &edata, sizeof(edata)))
- return -EFAULT;
- return 0;
-}
-
static int __ethtool_set_sg(struct net_device *dev, u32 data)
{
int err;
return dev->ethtool_ops->set_tx_csum(dev, edata.data);
}
-static int ethtool_get_sg(struct net_device *dev, char __user *useraddr)
+static int ethtool_set_rx_csum(struct net_device *dev, char __user *useraddr)
{
- struct ethtool_value edata = { ETHTOOL_GSG };
+ struct ethtool_value edata;
- if (!dev->ethtool_ops->get_sg)
+ if (!dev->ethtool_ops->set_rx_csum)
return -EOPNOTSUPP;
- edata.data = dev->ethtool_ops->get_sg(dev);
-
- if (copy_to_user(useraddr, &edata, sizeof(edata)))
+ if (copy_from_user(&edata, useraddr, sizeof(edata)))
return -EFAULT;
- return 0;
+
+ if (!edata.data && dev->ethtool_ops->set_sg)
+ dev->features &= ~NETIF_F_GRO;
+
+ return dev->ethtool_ops->set_rx_csum(dev, edata.data);
}
static int ethtool_set_sg(struct net_device *dev, char __user *useraddr)
return __ethtool_set_sg(dev, edata.data);
}
-static int ethtool_get_tso(struct net_device *dev, char __user *useraddr)
-{
- struct ethtool_value edata = { ETHTOOL_GTSO };
-
- if (!dev->ethtool_ops->get_tso)
- return -EOPNOTSUPP;
-
- edata.data = dev->ethtool_ops->get_tso(dev);
-
- if (copy_to_user(useraddr, &edata, sizeof(edata)))
- return -EFAULT;
- return 0;
-}
-
static int ethtool_set_tso(struct net_device *dev, char __user *useraddr)
{
struct ethtool_value edata;
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;
return 0;
}
+static int ethtool_get_gro(struct net_device *dev, char __user *useraddr)
+{
+ struct ethtool_value edata = { ETHTOOL_GGRO };
+
+ edata.data = dev->features & NETIF_F_GRO;
+ if (copy_to_user(useraddr, &edata, sizeof(edata)))
+ return -EFAULT;
+ return 0;
+}
+
+static int ethtool_set_gro(struct net_device *dev, char __user *useraddr)
+{
+ struct ethtool_value edata;
+
+ if (copy_from_user(&edata, useraddr, sizeof(edata)))
+ return -EFAULT;
+
+ if (edata.data) {
+ if (!dev->ethtool_ops->get_rx_csum ||
+ !dev->ethtool_ops->get_rx_csum(dev))
+ return -EINVAL;
+ dev->features |= NETIF_F_GRO;
+ } else
+ dev->features &= ~NETIF_F_GRO;
+
+ return 0;
+}
+
static int ethtool_self_test(struct net_device *dev, char __user *useraddr)
{
struct ethtool_test test;
return 0;
}
-static int ethtool_get_flags(struct net_device *dev, char __user *useraddr)
+static int ethtool_get_value(struct net_device *dev, char __user *useraddr,
+ u32 cmd, u32 (*actor)(struct net_device *))
{
- struct ethtool_value edata = { ETHTOOL_GFLAGS };
+ struct ethtool_value edata = { cmd };
- if (!dev->ethtool_ops->get_flags)
+ if (!actor)
return -EOPNOTSUPP;
- edata.data = dev->ethtool_ops->get_flags(dev);
+ edata.data = actor(dev);
if (copy_to_user(useraddr, &edata, sizeof(edata)))
return -EFAULT;
return 0;
}
-static int ethtool_set_flags(struct net_device *dev, char __user *useraddr)
+static int ethtool_set_value_void(struct net_device *dev, char __user *useraddr,
+ void (*actor)(struct net_device *, u32))
{
struct ethtool_value edata;
- if (!dev->ethtool_ops->set_flags)
+ if (!actor)
return -EOPNOTSUPP;
if (copy_from_user(&edata, useraddr, sizeof(edata)))
return -EFAULT;
- return dev->ethtool_ops->set_flags(dev, edata.data);
+ actor(dev, edata.data);
+ return 0;
+}
+
+static int ethtool_set_value(struct net_device *dev, char __user *useraddr,
+ int (*actor)(struct net_device *, u32))
+{
+ struct ethtool_value edata;
+
+ if (!actor)
+ return -EOPNOTSUPP;
+
+ if (copy_from_user(&edata, useraddr, sizeof(edata)))
+ return -EFAULT;
+
+ return actor(dev, edata.data);
}
/* The main entry point in this file. Called from net/core/dev.c */
-int dev_ethtool(struct ifreq *ifr)
+int dev_ethtool(struct net *net, struct ifreq *ifr)
{
- struct net_device *dev = __dev_get_by_name(ifr->ifr_name);
+ struct net_device *dev = __dev_get_by_name(net, ifr->ifr_name);
void __user *useraddr = ifr->ifr_data;
u32 ethcmd;
int rc;
case ETHTOOL_GPERMADDR:
case ETHTOOL_GUFO:
case ETHTOOL_GGSO:
+ case ETHTOOL_GFLAGS:
+ case ETHTOOL_GPFLAGS:
+ case ETHTOOL_GRXFH:
break;
default:
if (!capable(CAP_NET_ADMIN))
rc = ethtool_set_wol(dev, useraddr);
break;
case ETHTOOL_GMSGLVL:
- rc = ethtool_get_msglevel(dev, useraddr);
+ rc = ethtool_get_value(dev, useraddr, ethcmd,
+ dev->ethtool_ops->get_msglevel);
break;
case ETHTOOL_SMSGLVL:
- rc = ethtool_set_msglevel(dev, useraddr);
+ rc = ethtool_set_value_void(dev, useraddr,
+ dev->ethtool_ops->set_msglevel);
break;
case ETHTOOL_NWAY_RST:
rc = ethtool_nway_reset(dev);
break;
case ETHTOOL_GLINK:
- rc = ethtool_get_link(dev, useraddr);
+ rc = ethtool_get_value(dev, useraddr, ethcmd,
+ dev->ethtool_ops->get_link);
break;
case ETHTOOL_GEEPROM:
rc = ethtool_get_eeprom(dev, useraddr);
rc = ethtool_set_pauseparam(dev, useraddr);
break;
case ETHTOOL_GRXCSUM:
- rc = ethtool_get_rx_csum(dev, useraddr);
+ rc = ethtool_get_value(dev, useraddr, ethcmd,
+ dev->ethtool_ops->get_rx_csum);
break;
case ETHTOOL_SRXCSUM:
rc = ethtool_set_rx_csum(dev, useraddr);
break;
case ETHTOOL_GTXCSUM:
- rc = ethtool_get_tx_csum(dev, useraddr);
+ rc = ethtool_get_value(dev, useraddr, ethcmd,
+ (dev->ethtool_ops->get_tx_csum ?
+ dev->ethtool_ops->get_tx_csum :
+ ethtool_op_get_tx_csum));
break;
case ETHTOOL_STXCSUM:
rc = ethtool_set_tx_csum(dev, useraddr);
break;
case ETHTOOL_GSG:
- rc = ethtool_get_sg(dev, useraddr);
+ rc = ethtool_get_value(dev, useraddr, ethcmd,
+ (dev->ethtool_ops->get_sg ?
+ dev->ethtool_ops->get_sg :
+ ethtool_op_get_sg));
break;
case ETHTOOL_SSG:
rc = ethtool_set_sg(dev, useraddr);
break;
case ETHTOOL_GTSO:
- rc = ethtool_get_tso(dev, useraddr);
+ rc = ethtool_get_value(dev, useraddr, ethcmd,
+ (dev->ethtool_ops->get_tso ?
+ dev->ethtool_ops->get_tso :
+ ethtool_op_get_tso));
break;
case ETHTOOL_STSO:
rc = ethtool_set_tso(dev, useraddr);
rc = ethtool_get_perm_addr(dev, useraddr);
break;
case ETHTOOL_GUFO:
- rc = ethtool_get_ufo(dev, useraddr);
+ rc = ethtool_get_value(dev, useraddr, ethcmd,
+ (dev->ethtool_ops->get_ufo ?
+ dev->ethtool_ops->get_ufo :
+ ethtool_op_get_ufo));
break;
case ETHTOOL_SUFO:
rc = ethtool_set_ufo(dev, useraddr);
rc = ethtool_set_gso(dev, useraddr);
break;
case ETHTOOL_GFLAGS:
- rc = ethtool_get_flags(dev, useraddr);
+ rc = ethtool_get_value(dev, useraddr, ethcmd,
+ dev->ethtool_ops->get_flags);
break;
case ETHTOOL_SFLAGS:
- rc = ethtool_set_flags(dev, useraddr);
+ rc = ethtool_set_value(dev, useraddr,
+ dev->ethtool_ops->set_flags);
+ break;
+ case ETHTOOL_GPFLAGS:
+ rc = ethtool_get_value(dev, useraddr, ethcmd,
+ dev->ethtool_ops->get_priv_flags);
+ break;
+ case ETHTOOL_SPFLAGS:
+ rc = ethtool_set_value(dev, useraddr,
+ dev->ethtool_ops->set_priv_flags);
+ break;
+ case ETHTOOL_GRXFH:
+ rc = ethtool_get_rxhash(dev, useraddr);
+ break;
+ case ETHTOOL_SRXFH:
+ rc = ethtool_set_rxhash(dev, useraddr);
+ break;
+ case ETHTOOL_GGRO:
+ rc = ethtool_get_gro(dev, useraddr);
+ break;
+ case ETHTOOL_SGRO:
+ rc = ethtool_set_gro(dev, useraddr);
break;
default:
rc = -EOPNOTSUPP;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff