diff options
Diffstat (limited to '')
| -rw-r--r-- | net/ethtool/ioctl.c | 52 |
1 files changed, 25 insertions, 27 deletions
diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c index 20bcf86970ff..57e7238a4136 100644 --- a/net/ethtool/ioctl.c +++ b/net/ethtool/ioctl.c @@ -8,6 +8,7 @@ */ #include <linux/compat.h> +#include <linux/etherdevice.h> #include <linux/module.h> #include <linux/types.h> #include <linux/capability.h> @@ -368,22 +369,9 @@ EXPORT_SYMBOL(ethtool_convert_legacy_u32_to_link_mode); bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32, const unsigned long *src) { - bool retval = true; - - /* TODO: following test will soon always be true */ - if (__ETHTOOL_LINK_MODE_MASK_NBITS > 32) { - __ETHTOOL_DECLARE_LINK_MODE_MASK(ext); - - linkmode_zero(ext); - bitmap_fill(ext, 32); - bitmap_complement(ext, ext, __ETHTOOL_LINK_MODE_MASK_NBITS); - if (linkmode_intersects(ext, src)) { - /* src mask goes beyond bit 31 */ - retval = false; - } - } *legacy_u32 = src[0]; - return retval; + return find_next_bit(src, __ETHTOOL_LINK_MODE_MASK_NBITS, 32) == + __ETHTOOL_LINK_MODE_MASK_NBITS; } EXPORT_SYMBOL(ethtool_convert_link_mode_to_legacy_u32); @@ -583,6 +571,7 @@ static int ethtool_get_link_ksettings(struct net_device *dev, = __ETHTOOL_LINK_MODE_MASK_NU32; link_ksettings.base.master_slave_cfg = MASTER_SLAVE_CFG_UNSUPPORTED; link_ksettings.base.master_slave_state = MASTER_SLAVE_STATE_UNSUPPORTED; + link_ksettings.base.rate_matching = RATE_MATCH_NONE; return store_link_ksettings_for_user(useraddr, &link_ksettings); } @@ -726,13 +715,16 @@ ethtool_get_drvinfo(struct net_device *dev, struct ethtool_devlink_compat *rsp) const struct ethtool_ops *ops = dev->ethtool_ops; rsp->info.cmd = ETHTOOL_GDRVINFO; - strlcpy(rsp->info.version, UTS_RELEASE, sizeof(rsp->info.version)); + strscpy(rsp->info.version, UTS_RELEASE, sizeof(rsp->info.version)); if (ops->get_drvinfo) { ops->get_drvinfo(dev, &rsp->info); } else if (dev->dev.parent && dev->dev.parent->driver) { - strlcpy(rsp->info.bus_info, dev_name(dev->dev.parent), + strscpy(rsp->info.bus_info, dev_name(dev->dev.parent), sizeof(rsp->info.bus_info)); - strlcpy(rsp->info.driver, dev->dev.parent->driver->name, + strscpy(rsp->info.driver, dev->dev.parent->driver->name, + sizeof(rsp->info.driver)); + } else if (dev->rtnl_link_ops) { + strscpy(rsp->info.driver, dev->rtnl_link_ops->kind, sizeof(rsp->info.driver)); } else { return -EOPNOTSUPP; @@ -1743,11 +1735,13 @@ static noinline_for_stack int ethtool_set_coalesce(struct net_device *dev, static int ethtool_get_ringparam(struct net_device *dev, void __user *useraddr) { struct ethtool_ringparam ringparam = { .cmd = ETHTOOL_GRINGPARAM }; + struct kernel_ethtool_ringparam kernel_ringparam = {}; if (!dev->ethtool_ops->get_ringparam) return -EOPNOTSUPP; - dev->ethtool_ops->get_ringparam(dev, &ringparam); + dev->ethtool_ops->get_ringparam(dev, &ringparam, + &kernel_ringparam, NULL); if (copy_to_user(useraddr, &ringparam, sizeof(ringparam))) return -EFAULT; @@ -1757,6 +1751,7 @@ static int ethtool_get_ringparam(struct net_device *dev, void __user *useraddr) static int ethtool_set_ringparam(struct net_device *dev, void __user *useraddr) { struct ethtool_ringparam ringparam, max = { .cmd = ETHTOOL_GRINGPARAM }; + struct kernel_ethtool_ringparam kernel_ringparam; int ret; if (!dev->ethtool_ops->set_ringparam || !dev->ethtool_ops->get_ringparam) @@ -1765,7 +1760,7 @@ static int ethtool_set_ringparam(struct net_device *dev, void __user *useraddr) if (copy_from_user(&ringparam, useraddr, sizeof(ringparam))) return -EFAULT; - dev->ethtool_ops->get_ringparam(dev, &max); + dev->ethtool_ops->get_ringparam(dev, &max, &kernel_ringparam, NULL); /* ensure new ring parameters are within the maximums */ if (ringparam.rx_pending > max.rx_max_pending || @@ -1774,7 +1769,8 @@ static int ethtool_set_ringparam(struct net_device *dev, void __user *useraddr) ringparam.tx_pending > max.tx_max_pending) return -EINVAL; - ret = dev->ethtool_ops->set_ringparam(dev, &ringparam); + ret = dev->ethtool_ops->set_ringparam(dev, &ringparam, + &kernel_ringparam, NULL); if (!ret) ethtool_notify(dev, ETHTOOL_MSG_RINGS_NTF, NULL); return ret; @@ -1982,6 +1978,7 @@ static int ethtool_phys_id(struct net_device *dev, void __user *useraddr) struct ethtool_value id; static bool busy; const struct ethtool_ops *ops = dev->ethtool_ops; + netdevice_tracker dev_tracker; int rc; if (!ops->set_phys_id) @@ -2001,7 +1998,7 @@ static int ethtool_phys_id(struct net_device *dev, void __user *useraddr) * removal of the device. */ busy = true; - dev_hold(dev); + netdev_hold(dev, &dev_tracker, GFP_KERNEL); rtnl_unlock(); if (rc == 0) { @@ -2025,7 +2022,7 @@ static int ethtool_phys_id(struct net_device *dev, void __user *useraddr) } rtnl_lock(); - dev_put(dev); + netdev_put(dev, &dev_tracker); busy = false; (void) ops->set_phys_id(dev, ETHTOOL_ID_INACTIVE); @@ -2087,9 +2084,9 @@ static int ethtool_get_phy_stats(struct net_device *dev, void __user *useraddr) if (!phydev && (!ops->get_ethtool_phy_stats || !ops->get_sset_count)) return -EOPNOTSUPP; - if (dev->phydev && !ops->get_ethtool_phy_stats && + if (phydev && !ops->get_ethtool_phy_stats && phy_ops && phy_ops->get_sset_count) - n_stats = phy_ops->get_sset_count(dev->phydev); + n_stats = phy_ops->get_sset_count(phydev); else n_stats = ops->get_sset_count(dev, ETH_SS_PHY_STATS); if (n_stats < 0) @@ -2108,9 +2105,9 @@ static int ethtool_get_phy_stats(struct net_device *dev, void __user *useraddr) if (!data) return -ENOMEM; - if (dev->phydev && !ops->get_ethtool_phy_stats && + if (phydev && !ops->get_ethtool_phy_stats && phy_ops && phy_ops->get_stats) { - ret = phy_ops->get_stats(dev->phydev, &stats, data); + ret = phy_ops->get_stats(phydev, &stats, data); if (ret < 0) goto out; } else { @@ -2396,6 +2393,7 @@ static int ethtool_tunable_valid(const struct ethtool_tunable *tuna) switch (tuna->id) { case ETHTOOL_RX_COPYBREAK: case ETHTOOL_TX_COPYBREAK: + case ETHTOOL_TX_COPYBREAK_BUF_SIZE: if (tuna->len != sizeof(u32) || tuna->type_id != ETHTOOL_TUNABLE_U32) return -EINVAL; |