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Diffstat (limited to 'net/core/dev.c')
-rw-r--r--net/core/dev.c63
1 files changed, 45 insertions, 18 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index c2456b3667fe..63abb0463c24 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -758,29 +758,43 @@ struct net_device *dev_get_by_name_rcu(struct net *net, const char *name)
}
EXPORT_SYMBOL(dev_get_by_name_rcu);
+/* Deprecated for new users, call netdev_get_by_name() instead */
+struct net_device *dev_get_by_name(struct net *net, const char *name)
+{
+ struct net_device *dev;
+
+ rcu_read_lock();
+ dev = dev_get_by_name_rcu(net, name);
+ dev_hold(dev);
+ rcu_read_unlock();
+ return dev;
+}
+EXPORT_SYMBOL(dev_get_by_name);
+
/**
- * dev_get_by_name - find a device by its name
+ * netdev_get_by_name() - find a device by its name
* @net: the applicable net namespace
* @name: name to find
+ * @tracker: tracking object for the acquired reference
+ * @gfp: allocation flags for the tracker
*
* Find an interface by name. This can be called from any
* context and does its own locking. The returned handle has
- * the usage count incremented and the caller must use dev_put() to
+ * the usage count incremented and the caller must use netdev_put() to
* release it when it is no longer needed. %NULL is returned if no
* matching device is found.
*/
-
-struct net_device *dev_get_by_name(struct net *net, const char *name)
+struct net_device *netdev_get_by_name(struct net *net, const char *name,
+ netdevice_tracker *tracker, gfp_t gfp)
{
struct net_device *dev;
- rcu_read_lock();
- dev = dev_get_by_name_rcu(net, name);
- dev_hold(dev);
- rcu_read_unlock();
+ dev = dev_get_by_name(net, name);
+ if (dev)
+ netdev_tracker_alloc(dev, tracker, gfp);
return dev;
}
-EXPORT_SYMBOL(dev_get_by_name);
+EXPORT_SYMBOL(netdev_get_by_name);
/**
* __dev_get_by_index - find a device by its ifindex
@@ -831,29 +845,42 @@ struct net_device *dev_get_by_index_rcu(struct net *net, int ifindex)
}
EXPORT_SYMBOL(dev_get_by_index_rcu);
+/* Deprecated for new users, call netdev_get_by_index() instead */
+struct net_device *dev_get_by_index(struct net *net, int ifindex)
+{
+ struct net_device *dev;
+
+ rcu_read_lock();
+ dev = dev_get_by_index_rcu(net, ifindex);
+ dev_hold(dev);
+ rcu_read_unlock();
+ return dev;
+}
+EXPORT_SYMBOL(dev_get_by_index);
/**
- * dev_get_by_index - find a device by its ifindex
+ * netdev_get_by_index() - find a device by its ifindex
* @net: the applicable net namespace
* @ifindex: index of device
+ * @tracker: tracking object for the acquired reference
+ * @gfp: allocation flags for the tracker
*
* Search for an interface by index. Returns NULL if the device
* is not found or a pointer to the device. The device returned has
* had a reference added and the pointer is safe until the user calls
- * dev_put to indicate they have finished with it.
+ * netdev_put() to indicate they have finished with it.
*/
-
-struct net_device *dev_get_by_index(struct net *net, int ifindex)
+struct net_device *netdev_get_by_index(struct net *net, int ifindex,
+ netdevice_tracker *tracker, gfp_t gfp)
{
struct net_device *dev;
- rcu_read_lock();
- dev = dev_get_by_index_rcu(net, ifindex);
- dev_hold(dev);
- rcu_read_unlock();
+ dev = dev_get_by_index(net, ifindex);
+ if (dev)
+ netdev_tracker_alloc(dev, tracker, gfp);
return dev;
}
-EXPORT_SYMBOL(dev_get_by_index);
+EXPORT_SYMBOL(netdev_get_by_index);
/**
* dev_get_by_napi_id - find a device by napi_id