Port IEEE 802.11.

rtemsbsd/include/rtems/bsd/sys/param.h

@@ -176,6 +176,14 @@
 #define _ALIGN(p)       (((uintptr_t)(p) + _ALIGNBYTES) &~ _ALIGNBYTES)
 #endif
 
+/*
+ * ALIGNED_POINTER is a boolean macro that checks whether an address
+ * is valid to fetch data elements of type t from on this architecture.
+ * This does not reflect the optimal alignment, just the possibility
+ * (within reasonable limits).
+ */
+#define	ALIGNED_POINTER(p, t)	((((u_long)(p)) & (sizeof(t) - 1)) == 0)
+
 /*
  * Some macros for units conversion
  */