/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2006 Cluster File Systems, Inc.
- * Author: Eric Barton <eric@bartonsoftware.com>
+ * GPL HEADER START
*
- * This file is part of Lustre, http://www.lustre.org.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * Lustre is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
+ * 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.
*
- * Lustre 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 for more details.
+ * 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).
*
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 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 2008 Sun Microsystems, Inc. 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/klnds/o2iblnd/o2iblnd_modparams.c
+ *
+ * Author: Eric Barton <eric@bartonsoftware.com>
*/
#include "o2iblnd.h"
static char ipif_basename_space[32];
+#ifndef HAVE_SYSCTL_UNNUMBERED
+
+enum {
+ O2IBLND_SERVICE = 1,
+ O2IBLND_CKSUM,
+ O2IBLND_TIMEOUT,
+ O2IBLND_NTX,
+ O2IBLND_CREDITS,
+ O2IBLND_PEER_CREDITS,
+ O2IBLND_IPIF_BASENAME,
+ O2IBLND_RETRY_COUNT,
+ O2IBLND_RNR_RETRY_COUNT,
+ O2IBLND_KEEPALIVE,
+ O2IBLND_CONCURRENT_SENDS,
+ O2IBLND_IB_MTU,
+ O2IBLND_FMR_POOL_SIZE,
+ O2IBLND_FMR_FLUSH_TRIGGER,
+ O2IBLND_FMR_CACHE
+};
+#else
+
+#define O2IBLND_SERVICE CTL_UNNUMBERED
+#define O2IBLND_CKSUM CTL_UNNUMBERED
+#define O2IBLND_TIMEOUT CTL_UNNUMBERED
+#define O2IBLND_NTX CTL_UNNUMBERED
+#define O2IBLND_CREDITS CTL_UNNUMBERED
+#define O2IBLND_PEER_CREDITS CTL_UNNUMBERED
+#define O2IBLND_IPIF_BASENAME CTL_UNNUMBERED
+#define O2IBLND_RETRY_COUNT CTL_UNNUMBERED
+#define O2IBLND_RNR_RETRY_COUNT CTL_UNNUMBERED
+#define O2IBLND_KEEPALIVE CTL_UNNUMBERED
+#define O2IBLND_CONCURRENT_SENDS CTL_UNNUMBERED
+#define O2IBLND_IB_MTU CTL_UNNUMBERED
+#define O2IBLND_FMR_POOL_SIZE CTL_UNNUMBERED
+#define O2IBLND_FMR_FLUSH_TRIGGER CTL_UNNUMBERED
+#define O2IBLND_FMR_CACHE CTL_UNNUMBERED
+
+#endif
+
static cfs_sysctl_table_t kiblnd_ctl_table[] = {
{
- .ctl_name = 1,
+ .ctl_name = O2IBLND_SERVICE,
.procname = "service",
.data = &service,
.maxlen = sizeof(int),
.proc_handler = &proc_dointvec
},
{
- .ctl_name = 2,
+ .ctl_name = O2IBLND_CKSUM,
.procname = "cksum",
.data = &cksum,
.maxlen = sizeof(int),
.proc_handler = &proc_dointvec
},
{
- .ctl_name = 3,
+ .ctl_name = O2IBLND_TIMEOUT,
.procname = "timeout",
.data = &timeout,
.maxlen = sizeof(int),
.proc_handler = &proc_dointvec
},
{
- .ctl_name = 4,
+ .ctl_name = O2IBLND_NTX,
.procname = "ntx",
.data = &ntx,
.maxlen = sizeof(int),
.proc_handler = &proc_dointvec
},
{
- .ctl_name = 5,
+ .ctl_name = O2IBLND_CREDITS,
.procname = "credits",
.data = &credits,
.maxlen = sizeof(int),
.proc_handler = &proc_dointvec
},
{
- .ctl_name = 6,
+ .ctl_name = O2IBLND_PEER_CREDITS,
.procname = "peer_credits",
.data = &peer_credits,
.maxlen = sizeof(int),
.proc_handler = &proc_dointvec
},
{
- .ctl_name = 7,
+ .ctl_name = O2IBLND_IPIF_BASENAME,
.procname = "ipif_name",
.data = ipif_basename_space,
.maxlen = sizeof(ipif_basename_space),
.proc_handler = &proc_dostring
},
{
- .ctl_name = 8,
+ .ctl_name = O2IBLND_RETRY_COUNT,
.procname = "retry_count",
.data = &retry_count,
.maxlen = sizeof(int),
.proc_handler = &proc_dointvec
},
{
- .ctl_name = 9,
+ .ctl_name = O2IBLND_RNR_RETRY_COUNT,
.procname = "rnr_retry_count",
.data = &rnr_retry_count,
.maxlen = sizeof(int),
.proc_handler = &proc_dointvec
},
{
- .ctl_name = 10,
+ .ctl_name = O2IBLND_KEEPALIVE,
.procname = "keepalive",
.data = &keepalive,
.maxlen = sizeof(int),
.proc_handler = &proc_dointvec
},
{
- .ctl_name = 11,
+ .ctl_name = O2IBLND_CONCURRENT_SENDS,
.procname = "concurrent_sends",
.data = &concurrent_sends,
.maxlen = sizeof(int),
- .mode = 0644,
+ .mode = 0444,
.proc_handler = &proc_dointvec
},
{
- .ctl_name = 12,
+ .ctl_name = O2IBLND_IB_MTU,
.procname = "ib_mtu",
.data = &ib_mtu,
.maxlen = sizeof(int),
},
#if IBLND_MAP_ON_DEMAND
{
- .ctl_name = 13,
+ .ctl_name = O2IBLND_FMR_POOL_SIZE,
.procname = "fmr_pool_size",
.data = &fmr_pool_size,
.maxlen = sizeof(int),
.proc_handler = &proc_dointvec
},
{
- .ctl_name = 14,
+ .ctl_name = O2IBLND_FMR_FLUSH_TRIGGER,
.procname = "fmr_flush_trigger",
.data = &fmr_flush_trigger,
.maxlen = sizeof(int),
.proc_handler = &proc_dointvec
},
{
- .ctl_name = 15,
+ .ctl_name = O2IBLND_FMR_CACHE,
.procname = "fmr_cache",
.data = &fmr_cache,
.maxlen = sizeof(int),
static cfs_sysctl_table_t kiblnd_top_ctl_table[] = {
{
- .ctl_name = 203,
+ .ctl_name = CTL_O2IBLND,
.procname = "o2iblnd",
.data = NULL,
.maxlen = 0,
int
kiblnd_tunables_init (void)
{
- kiblnd_sysctl_init();
+ if (*kiblnd_tunables.kib_credits > *kiblnd_tunables.kib_ntx) {
+ CERROR("Can't set credits(%d) > ntx(%d)\n",
+ *kiblnd_tunables.kib_credits,
+ *kiblnd_tunables.kib_ntx);
+ return -EINVAL;
+ }
+
+ if (*kiblnd_tunables.kib_ib_mtu != 0 &&
+ *kiblnd_tunables.kib_ib_mtu != 256 &&
+ *kiblnd_tunables.kib_ib_mtu != 512 &&
+ *kiblnd_tunables.kib_ib_mtu != 1024 &&
+ *kiblnd_tunables.kib_ib_mtu != 2048 &&
+ *kiblnd_tunables.kib_ib_mtu != 4096) {
+ CERROR("Invalid ib_mtu %d, expected 256/512/1024/2048/4096\n",
+ *kiblnd_tunables.kib_ib_mtu);
+ return -EINVAL;
+ }
if (*kiblnd_tunables.kib_concurrent_sends > IBLND_RX_MSGS)
*kiblnd_tunables.kib_concurrent_sends = IBLND_RX_MSGS;
- if (*kiblnd_tunables.kib_concurrent_sends < IBLND_MSG_QUEUE_SIZE)
- *kiblnd_tunables.kib_concurrent_sends = IBLND_MSG_QUEUE_SIZE;
+ if (*kiblnd_tunables.kib_concurrent_sends < IBLND_MSG_QUEUE_SIZE / 2)
+ *kiblnd_tunables.kib_concurrent_sends = IBLND_MSG_QUEUE_SIZE / 2;
+
+ if (*kiblnd_tunables.kib_concurrent_sends < IBLND_MSG_QUEUE_SIZE) {
+ CWARN("Concurrent sends %d is lower than message queue size: %d, "
+ "performance may drop slightly.\n",
+ *kiblnd_tunables.kib_concurrent_sends, IBLND_MSG_QUEUE_SIZE);
+ }
+ kiblnd_sysctl_init();
return 0;
}
{
kiblnd_sysctl_fini();
}
-
-
-