1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * Copyright 2008 Sun Microsystems, Inc. All rights reserved
6 * Author: Eric Barton <eric@bartonsoftware.com>
8 * Portals is free software; you can redistribute it and/or
9 * modify it under the terms of version 2 of the GNU General Public
10 * License as published by the Free Software Foundation.
12 * Portals is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Portals; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 static int sock_timeout = 50;
25 CFS_MODULE_PARM(sock_timeout, "i", int, 0644,
26 "dead socket timeout (seconds)");
28 static int credits = 256;
29 CFS_MODULE_PARM(credits, "i", int, 0444,
30 "# concurrent sends");
32 static int peer_credits = 8;
33 CFS_MODULE_PARM(peer_credits, "i", int, 0444,
34 "# concurrent sends to 1 peer");
36 static int peer_timeout = 0;
37 CFS_MODULE_PARM(peer_timeout, "i", int, 0444,
38 "Seconds without aliveness news to declare peer dead (<=0 to disable)");
40 static int nconnds = 4;
41 CFS_MODULE_PARM(nconnds, "i", int, 0444,
42 "# connection daemons");
44 static int min_reconnectms = 1000;
45 CFS_MODULE_PARM(min_reconnectms, "i", int, 0644,
46 "min connection retry interval (mS)");
48 static int max_reconnectms = 60000;
49 CFS_MODULE_PARM(max_reconnectms, "i", int, 0644,
50 "max connection retry interval (mS)");
52 #if defined(__APPLE__) && !defined(__DARWIN8__)
53 # define DEFAULT_EAGER_ACK 1
55 # define DEFAULT_EAGER_ACK 0
57 static int eager_ack = DEFAULT_EAGER_ACK;
58 CFS_MODULE_PARM(eager_ack, "i", int, 0644,
59 "send tcp ack packets eagerly");
61 static int typed_conns = 1;
62 CFS_MODULE_PARM(typed_conns, "i", int, 0444,
63 "use different sockets for bulk");
65 static int min_bulk = (1<<10);
66 CFS_MODULE_PARM(min_bulk, "i", int, 0644,
67 "smallest 'large' message");
71 # define DEFAULT_BUFFER_SIZE (224*1024)
73 # define DEFAULT_BUFFER_SIZE (1152 * 1024)
76 # define DEFAULT_BUFFER_SIZE 0
78 static int tx_buffer_size = DEFAULT_BUFFER_SIZE;
79 CFS_MODULE_PARM(tx_buffer_size, "i", int, 0644,
80 "socket tx buffer size (0 for system default)");
82 static int rx_buffer_size = DEFAULT_BUFFER_SIZE;
83 CFS_MODULE_PARM(rx_buffer_size, "i", int, 0644,
84 "socket rx buffer size (0 for system default)");
87 CFS_MODULE_PARM(nagle, "i", int, 0644,
90 static int round_robin = 1;
91 CFS_MODULE_PARM(round_robin, "i", int, 0644,
92 "Round robin for multiple interfaces");
94 static int keepalive = 30;
95 CFS_MODULE_PARM(keepalive, "i", int, 0644,
96 "# seconds before send keepalive");
98 static int keepalive_idle = 30;
99 CFS_MODULE_PARM(keepalive_idle, "i", int, 0644,
100 "# idle seconds before probe");
102 #ifdef HAVE_BGL_SUPPORT
103 #define DEFAULT_KEEPALIVE_COUNT 100
105 #define DEFAULT_KEEPALIVE_COUNT 5
107 static int keepalive_count = DEFAULT_KEEPALIVE_COUNT;
108 CFS_MODULE_PARM(keepalive_count, "i", int, 0644,
109 "# missed probes == dead");
111 static int keepalive_intvl = 5;
112 CFS_MODULE_PARM(keepalive_intvl, "i", int, 0644,
113 "seconds between probes");
115 static int enable_csum = 0;
116 CFS_MODULE_PARM(enable_csum, "i", int, 0644,
119 static int inject_csum_error = 0;
120 CFS_MODULE_PARM(inject_csum_error, "i", int, 0644,
121 "set non-zero to inject a checksum error");
123 static int enable_irq_affinity = 0;
124 CFS_MODULE_PARM(enable_irq_affinity, "i", int, 0644,
125 "enable IRQ affinity");
128 static unsigned int zc_min_payload = (16 << 10);
129 CFS_MODULE_PARM(zc_min_payload, "i", int, 0644,
130 "minimum payload size to zero copy");
132 static unsigned int zc_recv = 0;
133 CFS_MODULE_PARM(zc_recv, "i", int, 0644,
134 "enable ZC recv for Chelsio driver");
136 static unsigned int zc_recv_min_nfrags = 16;
137 CFS_MODULE_PARM(zc_recv_min_nfrags, "i", int, 0644,
138 "minimum # of fragments to enable ZC recv");
140 #ifdef SOCKNAL_BACKOFF
141 static int backoff_init = 3;
142 CFS_MODULE_PARM(backoff_init, "i", int, 0644,
143 "seconds for initial tcp backoff");
145 static int backoff_max = 3;
146 CFS_MODULE_PARM(backoff_max, "i", int, 0644,
147 "seconds for maximum tcp backoff");
150 #if SOCKNAL_VERSION_DEBUG
151 static int protocol = 3;
152 CFS_MODULE_PARM(protocol, "i", int, 0644,
156 ksock_tunables_t ksocknal_tunables;
158 int ksocknal_tunables_init(void)
161 /* initialize ksocknal_tunables structure */
162 ksocknal_tunables.ksnd_timeout = &sock_timeout;
163 ksocknal_tunables.ksnd_nconnds = &nconnds;
164 ksocknal_tunables.ksnd_min_reconnectms = &min_reconnectms;
165 ksocknal_tunables.ksnd_max_reconnectms = &max_reconnectms;
166 ksocknal_tunables.ksnd_eager_ack = &eager_ack;
167 ksocknal_tunables.ksnd_typed_conns = &typed_conns;
168 ksocknal_tunables.ksnd_min_bulk = &min_bulk;
169 ksocknal_tunables.ksnd_tx_buffer_size = &tx_buffer_size;
170 ksocknal_tunables.ksnd_rx_buffer_size = &rx_buffer_size;
171 ksocknal_tunables.ksnd_nagle = &nagle;
172 ksocknal_tunables.ksnd_round_robin = &round_robin;
173 ksocknal_tunables.ksnd_keepalive = &keepalive;
174 ksocknal_tunables.ksnd_keepalive_idle = &keepalive_idle;
175 ksocknal_tunables.ksnd_keepalive_count = &keepalive_count;
176 ksocknal_tunables.ksnd_keepalive_intvl = &keepalive_intvl;
177 ksocknal_tunables.ksnd_credits = &credits;
178 ksocknal_tunables.ksnd_peercredits = &peer_credits;
179 ksocknal_tunables.ksnd_peertimeout = &peer_timeout;
180 ksocknal_tunables.ksnd_enable_csum = &enable_csum;
181 ksocknal_tunables.ksnd_inject_csum_error = &inject_csum_error;
182 ksocknal_tunables.ksnd_zc_min_payload = &zc_min_payload;
183 ksocknal_tunables.ksnd_zc_recv = &zc_recv;
184 ksocknal_tunables.ksnd_zc_recv_min_nfrags = &zc_recv_min_nfrags;
187 ksocknal_tunables.ksnd_irq_affinity = &enable_irq_affinity;
190 #ifdef SOCKNAL_BACKOFF
191 ksocknal_tunables.ksnd_backoff_init = &backoff_init;
192 ksocknal_tunables.ksnd_backoff_max = &backoff_max;
195 #if SOCKNAL_VERSION_DEBUG
196 ksocknal_tunables.ksnd_protocol = &protocol;
199 #if defined(CONFIG_SYSCTL) && !CFS_SYSFS_MODULE_PARM
200 ksocknal_tunables.ksnd_sysctl = NULL;
203 if (*ksocknal_tunables.ksnd_zc_min_payload < (2 << 10))
204 *ksocknal_tunables.ksnd_zc_min_payload = (2 << 10);
206 /* initialize platform-sepcific tunables */
207 return ksocknal_lib_tunables_init();
210 void ksocknal_tunables_fini(void)
212 ksocknal_lib_tunables_fini();