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-rw-r--r--include/net/mac802154.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/net/mac802154.h b/include/net/mac802154.h
index c9f8ab5cc687..d0d11df9cba1 100644
--- a/include/net/mac802154.h
+++ b/include/net/mac802154.h
@@ -21,6 +21,14 @@
#include <net/af_ieee802154.h>
+/* General MAC frame format:
+ * 2 bytes: Frame Control
+ * 1 byte: Sequence Number
+ * 20 bytes: Addressing fields
+ * 14 bytes: Auxiliary Security Header
+ */
+#define MAC802154_FRAME_HARD_HEADER_LEN (2 + 1 + 20 + 14)
+
/* The following flags are used to indicate changed address settings from
* the stack to the hardware.
*/