diff options
Diffstat (limited to 'include/net/netdev_lock.h')
| -rw-r--r-- | include/net/netdev_lock.h | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/include/net/netdev_lock.h b/include/net/netdev_lock.h index 3d3aef80beac..9fb3e93857c3 100644 --- a/include/net/netdev_lock.h +++ b/include/net/netdev_lock.h @@ -64,7 +64,7 @@ static inline void netdev_unlock_full_to_ops(struct net_device *dev) netdev_unlock(dev); } -static inline void netdev_ops_assert_locked(const struct net_device *dev) +static inline void netdev_assert_locked_ops_compat(const struct net_device *dev) { if (netdev_need_ops_lock(dev)) lockdep_assert_held(&dev->lock); @@ -73,11 +73,17 @@ static inline void netdev_ops_assert_locked(const struct net_device *dev) } static inline void -netdev_ops_assert_locked_or_invisible(const struct net_device *dev) +netdev_assert_locked_ops_compat_or_invisible(const struct net_device *dev) { if (dev->reg_state == NETREG_REGISTERED || dev->reg_state == NETREG_UNREGISTERING) - netdev_ops_assert_locked(dev); + netdev_assert_locked_ops_compat(dev); +} + +static inline void netdev_assert_locked_ops(const struct net_device *dev) +{ + if (netdev_need_ops_lock(dev)) + netdev_assert_locked(dev); } static inline void netdev_lock_ops_compat(struct net_device *dev) @@ -96,6 +102,14 @@ static inline void netdev_unlock_ops_compat(struct net_device *dev) rtnl_unlock(); } +/* Matching "ops protected" category from netdevice.h */ +static inline int netdev_is_locked_ops_compat(const struct net_device *dev) +{ + if (netdev_need_ops_lock(dev)) + return lockdep_is_held(&dev->lock); + return lockdep_rtnl_is_held(); +} + static inline int netdev_lock_cmp_fn(const struct lockdep_map *a, const struct lockdep_map *b) { @@ -132,6 +146,9 @@ static inline int netdev_lock_cmp_fn(const struct lockdep_map *a, #define netdev_lock_dereference(p, dev) \ rcu_dereference_protected(p, lockdep_is_held(&(dev)->lock)) +#define netdev_ops_lock_dereference(p, dev) \ + rcu_dereference_protected(p, netdev_is_locked_ops_compat(dev)) + int netdev_debug_event(struct notifier_block *nb, unsigned long event, void *ptr); |