From 07b0d4fa30d021322efa8a423295a0677325ec8d Mon Sep 17 00:00:00 2001
From: Michael Brown
Date: Mon, 20 Jul 2015 12:15:21 +0100
Subject: [xferbuf] Add xfer_buffer() to provide direct access to underlying
 buffer

Allow data transfer buffer users to provide direct access to their
underlying data transfer buffer.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
---
 src/include/ipxe/xferbuf.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/include')

diff --git a/src/include/ipxe/xferbuf.h b/src/include/ipxe/xferbuf.h
index f2f336252..cb0b1a0e8 100644
--- a/src/include/ipxe/xferbuf.h
+++ b/src/include/ipxe/xferbuf.h
@@ -12,6 +12,7 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
 #include <stdint.h>
 #include <ipxe/iobuf.h>
 #include <ipxe/uaccess.h>
+#include <ipxe/interface.h>
 #include <ipxe/xfer.h>
 
 /** A data transfer buffer */
@@ -97,4 +98,8 @@ extern int xferbuf_deliver ( struct xfer_buffer *xferbuf,
 			     struct io_buffer *iobuf,
 			     struct xfer_metadata *meta );
 
+extern struct xfer_buffer * xfer_buffer ( struct interface *intf );
+#define xfer_buffer_TYPE( object_type ) \
+	typeof ( struct xfer_buffer * ( object_type ) )
+
 #endif /* _IPXE_XFERBUF_H */
-- 
cgit v1.2.3-55-g7522