/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- * vim:expandtab:shiftwidth=8:tabstop=8: * * GPL HEADER START * * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * 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 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 * 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/klnds/openiblnd/openiblnd_modparams.c * * Author: Eric Barton */ #include "openiblnd.h" static char *ipif_basename = "ib"; CFS_MODULE_PARM(ipif_basename, "s", charp, 0444, "IPoIB interface base name"); static int n_connd = 4; CFS_MODULE_PARM(n_connd, "i", int, 0444, "# of connection daemons"); static int min_reconnect_interval = 1; CFS_MODULE_PARM(min_reconnect_interval, "i", int, 0644, "minimum connection retry interval (seconds)"); static int max_reconnect_interval = 60; CFS_MODULE_PARM(max_reconnect_interval, "i", int, 0644, "maximum connection retry interval (seconds)"); static int concurrent_peers = 1152; CFS_MODULE_PARM(concurrent_peers, "i", int, 0444, "maximum number of peers that may connect"); static int cksum = 0; CFS_MODULE_PARM(cksum, "i", int, 0644, "set non-zero to enable message (not RDMA) checksums"); static int timeout = 50; CFS_MODULE_PARM(timeout, "i", int, 0644, "timeout (seconds)"); static int ntx = 384; CFS_MODULE_PARM(ntx, "i", int, 0444, "# of message descriptors"); static int credits = 256; CFS_MODULE_PARM(credits, "i", int, 0444, "# concurrent sends"); static int peer_credits = 16; CFS_MODULE_PARM(peer_credits, "i", int, 0444, "# concurrent sends to 1 peer"); static int keepalive = 100; CFS_MODULE_PARM(keepalive, "i", int, 0644, "Idle time in seconds before sending a keepalive"); kib_tunables_t kibnal_tunables = { .kib_ipif_basename = &ipif_basename, .kib_n_connd = &n_connd, .kib_min_reconnect_interval = &min_reconnect_interval, .kib_max_reconnect_interval = &max_reconnect_interval, .kib_concurrent_peers = &concurrent_peers, .kib_cksum = &cksum, .kib_timeout = &timeout, .kib_ntx = &ntx, .kib_credits = &credits, .kib_peercredits = &peer_credits, .kib_keepalive = &keepalive, }; #if defined(CONFIG_SYSCTL) && !CFS_SYSFS_MODULE_PARM #ifndef HAVE_SYSCTL_UNNUMBERED enum { KIBNAL_IPIF_BASENAME = 1, KIBNAL_N_CONND, KIBNAL_RECONNECT_MIN, KIBNAL_RECONNECT_MAX, KIBNAL_CONCURRENT_PEERS, KIBNAL_CKSUM, KIBNAL_TIMEOUT, KIBNAL_NTX, KIBNAL_CREDITS, KIBNAL_PEER_CREDITS, KIBNAL_KEEPALIVE }; #else #define KIBNAL_IPIF_BASENAME CTL_UNNUMBERED #define KIBNAL_N_CONND CTL_UNNUMBERED #define KIBNAL_RECONNECT_MIN CTL_UNNUMBERED #define KIBNAL_RECONNECT_MAX CTL_UNNUMBERED #define KIBNAL_CONCURRENT_PEERS CTL_UNNUMBERED #define KIBNAL_CKSUM CTL_UNNUMBERED #define KIBNAL_TIMEOUT CTL_UNNUMBERED #define KIBNAL_NTX CTL_UNNUMBERED #define KIBNAL_CREDITS CTL_UNNUMBERED #define KIBNAL_PEER_CREDITS CTL_UNNUMBERED #define KIBNAL_KEEPALIVE CTL_UNNUMBERED #endif static cfs_sysctl_table_t kibnal_ctl_table[] = { { .ctl_name = KIBNAL_IPIF_BASENAME, .procname = "ipif_basename", .data = &ipif_basename, .maxlen = 1024, .mode = 0444, .proc_handler = &proc_dostring }, { .ctl_name = KIBNAL_N_CONND, .procname = "n_connd", .data = &n_connd, .maxlen = sizeof(int), .mode = 0444, .proc_handler = &proc_dointvec }, { .ctl_name = KIBNAL_RECONNECT_MIN, .procname = "min_reconnect_interval", .data = &min_reconnect_interval, .maxlen = sizeof(int), .mode = 0644, .proc_handler = &proc_dointvec }, { .ctl_name = KIBNAL_RECONNECT_MAX, .procname = "max_reconnect_interval", .data = &max_reconnect_interval, .maxlen = sizeof(int), .mode = 0644, .proc_handler = &proc_dointvec }, { .ctl_name = KIBNAL_CONCURRENT_PEERS, .procname = "concurrent_peers", .data = &concurrent_peers, .maxlen = sizeof(int), .mode = 0444, .proc_handler = &proc_dointvec }, { .ctl_name = KIBNAL_CKSUM, .procname = "cksum", .data = &cksum, .maxlen = sizeof(int), .mode = 0644, .proc_handler = &proc_dointvec }, { .ctl_name = KIBNAL_TIMEOUT, .procname = "timeout", .data = &timeout, .maxlen = sizeof(int), .mode = 0644, .proc_handler = &proc_dointvec }, { .ctl_name = KIBNAL_NTX, .procname = "ntx", .data = &ntx, .maxlen = sizeof(int), .mode = 0444, .proc_handler = &proc_dointvec }, { .ctl_name = KIBNAL_CREDITS, .procname = "credits", .data = &credits, .maxlen = sizeof(int), .mode = 0444, .proc_handler = &proc_dointvec }, { .ctl_name = KIBNAL_PEER_CREDITS, .procname = "peer_credits", .data = &peer_credits, .maxlen = sizeof(int), .mode = 0444, .proc_handler = &proc_dointvec }, { .ctl_name = KIBNAL_KEEPALIVE, .procname = "keepalive", .data = &keepalive, .maxlen = sizeof(int), .mode = 0644, .proc_handler = &proc_dointvec }, {0} }; static cfs_sysctl_table_t kibnal_top_ctl_table[] = { { .ctl_name = CTL_KIBNAL, .procname = "openibnal", .data = NULL, .maxlen = 0, .mode = 0555, .child = kibnal_ctl_table }, {0} }; int kibnal_tunables_init () { kibnal_tunables.kib_sysctl = cfs_register_sysctl_table(kibnal_top_ctl_table, 0); if (kibnal_tunables.kib_sysctl == NULL) CWARN("Can't setup /proc tunables\n"); return 0; } void kibnal_tunables_fini () { if (kibnal_tunables.kib_sysctl != NULL) cfs_unregister_sysctl_table(kibnal_tunables.kib_sysctl); } #else int kibnal_tunables_init () { return 0; } void kibnal_tunables_fini () { } #endif