ieee802154: add helper wpan_phy_to_rdev function
authorAlexander Aring <alex.aring@gmail.com>
Sun, 2 Nov 2014 03:18:37 +0000 (04:18 +0100)
committerMarcel Holtmann <marcel@holtmann.org>
Sun, 2 Nov 2014 03:51:06 +0000 (04:51 +0100)
This patch introduce a function to get the cfg802154_registered_device
from a wpan_phy.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
net/ieee802154/core.h

index 26752ca54b4ff21fb7cb07053e27224e482ba20d..1bc1725871573f95368fd69a65728b137e548981 100644 (file)
@@ -12,6 +12,14 @@ struct cfg802154_registered_device {
        struct wpan_phy wpan_phy __aligned(NETDEV_ALIGN);
 };
 
+static inline struct cfg802154_registered_device *
+wpan_phy_to_rdev(struct wpan_phy *wpan_phy)
+{
+       BUG_ON(!wpan_phy);
+       return container_of(wpan_phy, struct cfg802154_registered_device,
+                           wpan_phy);
+}
+
 /* free object */
 void cfg802154_dev_free(struct cfg802154_registered_device *rdev);