[infiniband] Add a "communication-managed reliable connection" protocol

SRP over Infiniband uses a protocol whereby data is sent via a combination of the CM private data fields and the RC queue pair itself. This seems sufficiently generic that it's worth having available as a separate protocol.
ipxe · Aug 10, 2009 · 4be11f5 · 4be11f5
1 parent 1175f0c
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diff --git a/src/include/gpxe/errfile.h b/src/include/gpxe/errfile.h
@@ -153,6 +153,7 @@ FILE_LICENCE ( GPL2_OR_LATER );
 #define ERRFILE_ib_cm			( ERRFILE_NET | 0x001e0000 )
 #define ERRFILE_net80211		( ERRFILE_NET | 0x001f0000 )
 #define ERRFILE_ib_mi			( ERRFILE_NET | 0x00200000 )
+#define ERRFILE_ib_cmrc			( ERRFILE_NET | 0x00210000 )
 
 #define ERRFILE_image		      ( ERRFILE_IMAGE | 0x00000000 )
 #define ERRFILE_elf		      ( ERRFILE_IMAGE | 0x00010000 )

diff --git a/src/include/gpxe/ib_cmrc.h b/src/include/gpxe/ib_cmrc.h
@@ -0,0 +1,20 @@
+#ifndef _GPXE_IB_CMRC_H
+#define _GPXE_IB_CMRC_H
+
+/** @file
+ *
+ * Infiniband Communication-managed Reliable Connections
+ *
+ */
+
+FILE_LICENCE ( BSD2 );
+
+#include <gpxe/infiniband.h>
+#include <gpxe/xfer.h>
+
+extern int ib_cmrc_open ( struct xfer_interface *xfer,
+			  struct ib_device *ibdev,
+			  struct ib_gid *dgid,
+			  struct ib_gid_half *service_id );
+
+#endif /* _GPXE_IB_CMRC_H */