[infiniband] Allow MAD handlers to indicate response via return value

[people/sha0/gpxe.git] / src / include / gpxe / ib_gma.h

diff --git a/src/include/gpxe/ib_gma.h b/src/include/gpxe/ib_gma.h
index c549dfc..1b33514 100644 (file)
--- a/src/include/gpxe/ib_gma.h
+++ b/src/include/gpxe/ib_gma.h
@@ -26,20 +26,15 @@ struct ib_gma_handler {
        uint8_t class_version;
        /** Method */
        uint8_t method;
-       /** Response method, or zero */
-       uint8_t resp_method;
        /** Attribute (in network byte order) */
        uint16_t attr_id;
        /** Handle attribute
         *
-        * @v gma       General management agent
-        * @v mad       MAD
-        *
-        * The handler should modify the MAD as applicable.  If the
-        * handler returns with a non-zero value in the MAD's @c
-        * method field, it will be sent as a response.
+        * @v gma               General management agent
+        * @v mad               MAD
+        * @ret response        MAD response, or NULL to send no response
         */
-       void ( * handle ) ( struct ib_gma *gma, union ib_mad *mad );
+       union ib_mad * ( * handle ) ( struct ib_gma *gma, union ib_mad *mad );
 };
 
 /** GMA attribute handlers */