-/* -*- 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.
*/
#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).
*/
} 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
#define PTLLND_MSG_TYPE_NOOP 0x04
#define PTLLND_MSG_TYPE_HELLO 0x05
#define PTLLND_MSG_TYPE_NAK 0x06
-
git://git.whamcloud.com / fs / lustre-release.git / blobdiff