X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fmlx5%2Fmlx5_utils.h;h=a824787ff512dcffa530c476a5f44d7b6555547a;hb=2f3b88fbabc580ba9501be900ba9e7f95508ac09;hp=f1fad188bfb8b80e155ba4c724cf97a281e0c3e9;hpb=aa7f63ab35ccac3ef696eb289a98fa851eca21fa;p=dpdk.git

diff --git a/drivers/net/mlx5/mlx5_utils.h b/drivers/net/mlx5/mlx5_utils.h
index f1fad188bf..a824787ff5 100644
--- a/drivers/net/mlx5/mlx5_utils.h
+++ b/drivers/net/mlx5/mlx5_utils.h
@@ -161,4 +161,24 @@ pmd_drv_log_basename(const char *s)
 	\
 	snprintf(name, sizeof(name), __VA_ARGS__)
 
+/**
+ * Return nearest power of two above input value.
+ *
+ * @param v
+ *   Input value.
+ *
+ * @return
+ *   Nearest power of two above input value.
+ */
+static inline unsigned int
+log2above(unsigned int v)
+{
+	unsigned int l;
+	unsigned int r;
+
+	for (l = 0, r = 0; (v >> 1); ++l, v >>= 1)
+		r |= (v & 1);
+	return l + r;
+}
+
 #endif /* RTE_PMD_MLX5_UTILS_H_ */