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| author |   Florian Fainelli <f.fainelli@gmail.com> | 2018-04-25 12:12:47 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-04-27 11:53:02 -0400 |
| commit | c59530d0d5dccc96795af12c139f618182cf98db (patch) | |
| tree | 9e841a2c973dd5fc1f68118fc722b232cab31198 /net/core | |
| parent | l2tp: consistent reference counting in procfs and debufs (diff) | |
| download | linux-dev-c59530d0d5dccc96795af12c139f618182cf98db.tar.xz linux-dev-c59530d0d5dccc96795af12c139f618182cf98db.zip | |
net: Move PHY statistics code into PHY library helpers
In order to make it possible for network device drivers that do not
necessarily have a phy_device attached, but still report PHY statistics,
have a preliminary refactoring consisting in creating helper functions
that encapsulate the PHY device driver knowledge within PHYLIB.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/ethtool.c | 38 |
1 files changed, 8 insertions, 30 deletions
diff --git a/net/core/ethtool.c b/net/core/ethtool.c index 4650fd6d678c..efcd8e620796 100644 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@ -211,23 +211,6 @@ static int ethtool_set_features(struct net_device *dev, void __user *useraddr) return ret; } -static int phy_get_sset_count(struct phy_device *phydev) -{ - int ret; - - if (phydev->drv->get_sset_count && - phydev->drv->get_strings && - phydev->drv->get_stats) { - mutex_lock(&phydev->lock); - ret = phydev->drv->get_sset_count(phydev); - mutex_unlock(&phydev->lock); - - return ret; - } - - return -EOPNOTSUPP; -} - static int __ethtool_get_sset_count(struct net_device *dev, int sset) { const struct ethtool_ops *ops = dev->ethtool_ops; @@ -246,7 +229,7 @@ static int __ethtool_get_sset_count(struct net_device *dev, int sset) if (sset == ETH_SS_PHY_STATS) { if (dev->phydev) - return phy_get_sset_count(dev->phydev); + return phy_ethtool_get_sset_count(dev->phydev); else return -EOPNOTSUPP; } @@ -273,15 +256,10 @@ static void __ethtool_get_strings(struct net_device *dev, else if (stringset == ETH_SS_PHY_TUNABLES) memcpy(data, phy_tunable_strings, sizeof(phy_tunable_strings)); else if (stringset == ETH_SS_PHY_STATS) { - struct phy_device *phydev = dev->phydev; - - if (phydev) { - mutex_lock(&phydev->lock); - phydev->drv->get_strings(phydev, data); - mutex_unlock(&phydev->lock); - } else { + if (dev->phydev) + phy_ethtool_get_strings(dev->phydev, data); + else return; - } } else /* ops->get_strings is valid because checked earlier */ ops->get_strings(dev, stringset, data); @@ -2002,7 +1980,7 @@ static int ethtool_get_phy_stats(struct net_device *dev, void __user *useraddr) if (!phydev) return -EOPNOTSUPP; - n_stats = phy_get_sset_count(phydev); + n_stats = phy_ethtool_get_sset_count(dev->phydev); if (n_stats < 0) return n_stats; if (n_stats > S32_MAX / sizeof(u64)) @@ -2017,9 +1995,9 @@ static int ethtool_get_phy_stats(struct net_device *dev, void __user *useraddr) if (n_stats && !data) return -ENOMEM; - mutex_lock(&phydev->lock); - phydev->drv->get_stats(phydev, &stats, data); - mutex_unlock(&phydev->lock); + ret = phy_ethtool_get_stats(dev->phydev, &stats, data); + if (ret < 0) + return ret; ret = -EFAULT; if (copy_to_user(useraddr, &stats, sizeof(stats))) |