From a2b4252d5acb9e375b84dfaefa97e891983193b6 Mon Sep 17 00:00:00 2001
From: Michael Brown
Date: Tue, 22 Jan 2008 18:48:47 +0000
Subject: Add XFER_INIT() macro.

---
 src/core/xfer.c         |  8 +-------
 src/include/gpxe/xfer.h | 13 +++++++++++++
 2 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/src/core/xfer.c b/src/core/xfer.c
index e8503476..14c77d64 100644
--- a/src/core/xfer.c
+++ b/src/core/xfer.c
@@ -402,10 +402,4 @@ struct xfer_interface_operations null_xfer_ops = {
  * connected when unplugged.  It will never generate messages, and
  * will silently absorb all received messages.
  */
-struct xfer_interface null_xfer = {
-	.intf = {
-		.dest = &null_xfer.intf,
-		.refcnt = NULL,
-	},
-	.op = &null_xfer_ops,
-};
+struct xfer_interface null_xfer = XFER_INIT ( &null_xfer_ops );
diff --git a/src/include/gpxe/xfer.h b/src/include/gpxe/xfer.h
index c75fa002..9575bf69 100644
--- a/src/include/gpxe/xfer.h
+++ b/src/include/gpxe/xfer.h
@@ -183,6 +183,19 @@ static inline void xfer_init ( struct xfer_interface *xfer,
 	xfer->op = op;
 }
 
+/**
+ * Initialise a static data transfer interface
+ *
+ * @v operations		Data transfer interface operations
+ */
+#define XFER_INIT( operations ) {			\
+		.intf = {				\
+			.dest = &null_xfer.intf,	\
+			.refcnt = NULL,			\
+		},					\
+		.op = operations,			\
+	}
+
 /**
  * Get data transfer interface from generic object communication interface
  *
-- 
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