diff options
Diffstat (limited to 'net/ethtool/ioctl.c')
| -rw-r--r-- | net/ethtool/ioctl.c | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c index 20bcf86970ff..326e14ee05db 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> @@ -734,6 +735,9 @@ ethtool_get_drvinfo(struct net_device *dev, struct ethtool_devlink_compat *rsp) sizeof(rsp->info.bus_info)); strlcpy(rsp->info.driver, dev->dev.parent->driver->name, sizeof(rsp->info.driver)); + } else if (dev->rtnl_link_ops) { + strlcpy(rsp->info.driver, dev->rtnl_link_ops->kind, + sizeof(rsp->info.driver)); } else { return -EOPNOTSUPP; } @@ -1743,11 +1747,13 @@ 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 +1763,7 @@ 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 +1772,7 @@ 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 +1781,8 @@ 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 +1990,7 @@ 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 +2010,7 @@ static int ethtool_phys_id(struct net_device *dev, void __user *useraddr) * removal of the device. */ busy = true; - dev_hold(dev); + dev_hold_track(dev, &dev_tracker, GFP_KERNEL); rtnl_unlock(); if (rc == 0) { @@ -2025,7 +2034,7 @@ static int ethtool_phys_id(struct net_device *dev, void __user *useraddr) } rtnl_lock(); - dev_put(dev); + dev_put_track(dev, &dev_tracker); busy = false; (void) ops->set_phys_id(dev, ETHTOOL_ID_INACTIVE); @@ -2087,9 +2096,9 @@ 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 +2117,9 @@ 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 +2405,7 @@ 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; |