X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fbase%2Fefx.h;h=53ddaa987c3c2d5765dd3de2b8b8de24c789cd44;hb=dda8e0e48723fc90e6222fcc1b04b94f240ae9b2;hp=835d057b1284914bc0d3b7d9ffebb06f9c218142;hpb=441717b92c2a22021b7a38c43788897a09f23b6d;p=dpdk.git

diff --git a/drivers/net/sfc/base/efx.h b/drivers/net/sfc/base/efx.h
index 835d057b12..53ddaa987c 100644
--- a/drivers/net/sfc/base/efx.h
+++ b/drivers/net/sfc/base/efx.h
@@ -33,6 +33,14 @@ extern "C" {
 #define	EFX_P2ROUNDUP(_type, _value, _align)	\
 	(-(-(_type)(_value) & -(_type)(_align)))
 
+/* Align value down to the nearest power of two. */
+#define	EFX_P2ALIGN(_type, _value, _align)	\
+	((_type)(_value) & -(_type)(_align))
+
+/* Test if value is power of 2 aligned. */
+#define	EFX_IS_P2ALIGNED(_type, _value, _align)	\
+	((((_type)(_value)) & ((_type)(_align) - 1)) == 0)
+
 /* Return codes */
 
 typedef __success(return == 0) int efx_rc_t;