1 files changed, 8 insertions, 0 deletions
diff --git a/include/net/wpan-phy.h b/include/net/wpan-phy.h
index efd6749e392..b52bda8d13b 100644
--- a/include/net/wpan-phy.h
+++ b/include/net/wpan-phy.h
@@ -25,6 +25,14 @@
 #include <linux/mutex.h>
 #include <linux/bug.h>
 
+/* According to the IEEE 802.15.4 stadard the upper most significant bits of
+ * the 32-bit channel bitmaps shall be used as an integer value to specify 32
+ * possible channel pages. The lower 27 bits of the channel bit map shall be
+ * used as a bit mask to specify channel numbers within a channel page.
+ */
+#define WPAN_NUM_CHANNELS	27
+#define WPAN_NUM_PAGES		32
+
 struct wpan_phy {
 	struct mutex pib_lock;