X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fbase%2Fefx.h;h=53ddaa987c3c2d5765dd3de2b8b8de24c789cd44;hb=0270853d94e298820f3361b43dfdbf95e6a05c88;hp=6aff68b540245e572bdf1f7dac97fbc6abc8c7b5;hpb=827ad8232cb87a0f79e65c3f5bb154a2fd771153;p=dpdk.git

diff --git a/drivers/net/sfc/base/efx.h b/drivers/net/sfc/base/efx.h
index 6aff68b540..53ddaa987c 100644
--- a/drivers/net/sfc/base/efx.h
+++ b/drivers/net/sfc/base/efx.h
@@ -37,6 +37,10 @@ extern "C" {
 #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;