X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lnet%2Finclude%2Flnet%2Fptllnd_wire.h;h=845a53260702cffeb32b2a7ff322500581c9e467;hp=e5b54108a426aa9e10b48aa23564d61037686a27;hb=413b6c2e365cf3ff986611e20dd77186ed25a3ac;hpb=ed88907a96ba81d3558e71ade9def98bdc785169

diff --git a/lnet/include/lnet/ptllnd_wire.h b/lnet/include/lnet/ptllnd_wire.h
index e5b5410..845a532 100644
--- a/lnet/include/lnet/ptllnd_wire.h
+++ b/lnet/include/lnet/ptllnd_wire.h
@@ -1,21 +1,44 @@
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
  *
- * Copyright (C) 2005 Cluster File Systems, Inc. All rights reserved.
- *   Author: PJ Kirner <pjkirner@clusterfs.com>
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
- *   This file is part of the Lustre file system, http://www.lustre.org
- *   Lustre is a trademark of Cluster File Systems, Inc.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
  *
- *   This file is confidential source code owned by Cluster File Systems.
- *   No viewing, modification, compilation, redistribution, or any other
- *   form of use is permitted except through a signed license agreement.
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
  *
- *   If you have not signed such an agreement, then you have no rights to
- *   this file.  Please destroy it immediately and contact CFS.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
  *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lnet/include/lnet/ptllnd_wire.h
+ *
+ * Author: PJ Kirner <pjkirner@clusterfs.com>
  */
  
+/* Minimum buffer size that any peer will post to receive ptllnd messages */
+#define PTLLND_MIN_BUFFER_SIZE  256
+
 /************************************************************************
  * Tunable defaults that {u,k}lnds/ptllnd should have in common.
  */
@@ -23,11 +46,17 @@
 #define PTLLND_PORTAL           9          /* The same portal PTLPRC used when talking to cray portals */
 #define PTLLND_PID              9          /* The Portals PID */
 #define PTLLND_PEERCREDITS      8          /* concurrent sends to 1 peer */
-#define PTLLND_MAX_MSG_SIZE     512        /* Maximum message size */
+
+/* Default buffer size for kernel ptllnds (guaranteed eager) */
+#define PTLLND_MAX_KLND_MSG_SIZE 512
+
+/* Default buffer size for catamount ptllnds (not guaranteed eager) - large
+ * enough to avoid RDMA for anything sent while control is not in liblustre */
+#define PTLLND_MAX_ULND_MSG_SIZE 512
 
 
 /************************************************************************
- * Portals LNS Wire message format.
+ * Portals LND Wire message format.
  * These are sent in sender's byte order (i.e. receiver flips).
  */
 
@@ -77,6 +106,9 @@ typedef struct
 
 } kptl_msg_t;
 
+/* kptl_msg_t::ptlm_credits is only a __u8 */
+#define PTLLND_MSG_MAX_CREDITS ((typeof(((kptl_msg_t*) 0)->ptlm_credits)) -1)
+
 #define PTLLND_MSG_MAGIC                LNET_PROTO_PTL_MAGIC
 #define PTLLND_MSG_VERSION              0x04
 
@@ -90,4 +122,3 @@ typedef struct
 #define PTLLND_MSG_TYPE_NOOP            0x04
 #define PTLLND_MSG_TYPE_HELLO           0x05
 #define PTLLND_MSG_TYPE_NAK             0x06
-