2 * -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
3 * vim:expandtab:shiftwidth=8:tabstop=8:
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9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 only,
11 * as published by the Free Software Foundation.
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License version 2 for more details (a copy is included
17 * in the LICENSE file that accompanied this code).
19 * You should have received a copy of the GNU General Public License
20 * version 2 along with this program; If not, see [sun.com URL with a
23 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
24 * CA 95054 USA or visit www.sun.com if you need additional information or
30 * Copyright 2008 Sun Microsystems, Inc. All rights reserved
31 * Use is subject to license terms.
33 * Copyright (C) 2006 Myricom, Inc.
36 * This file is part of Lustre, http://www.lustre.org/
37 * Lustre is a trademark of Sun Microsystems, Inc.
39 * lnet/klnds/mxlnd/mxlnd.c
41 * Author: Eric Barton <eric@bartonsoftware.com>
42 * Author: Scott Atchley <atchley at myri.com>
47 static int n_waitd = MXLND_N_SCHED;
48 CFS_MODULE_PARM(n_waitd, "i", int, 0444,
49 "# of completion daemons");
51 static int max_peers = MXLND_MAX_PEERS;
52 CFS_MODULE_PARM(max_peers, "i", int, 0444,
53 "maximum number of peers that may connect");
55 static int cksum = MXLND_CKSUM;
56 CFS_MODULE_PARM(cksum, "i", int, 0644,
57 "set non-zero to enable message (not data payload) checksums");
59 static int ntx = MXLND_NTX;
60 CFS_MODULE_PARM(ntx, "i", int, 0444,
61 "# of total tx message descriptors");
63 static int credits = MXLND_MSG_QUEUE_DEPTH;
64 CFS_MODULE_PARM(credits, "i", int, 0444,
65 "# concurrent sends");
67 static int board = MXLND_MX_BOARD;
68 CFS_MODULE_PARM(board, "i", int, 0444,
69 "index value of the Myrinet board (NIC)");
71 static int ep_id = MXLND_MX_EP_ID;
72 CFS_MODULE_PARM(ep_id, "i", int, 0444, "MX endpoint ID");
74 static int polling = MXLND_POLLING;
75 CFS_MODULE_PARM(polling, "i", int, 0444,
76 "Use 0 to block (wait). A value > 0 will poll that many times before blocking");
78 static char *hosts = NULL;
79 CFS_MODULE_PARM(hosts, "s", charp, 0444,
80 "IP-to-hostname resolution file");
82 kmx_tunables_t kmxlnd_tunables = {
83 .kmx_n_waitd = &n_waitd,
84 .kmx_max_peers = &max_peers,
87 .kmx_credits = &credits,
90 .kmx_polling = &polling,