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 nconnds = 4;
37 CFS_MODULE_PARM(nconnds, "i", int, 0444,
38 "# connection daemons");
40 static int min_reconnectms = 1000;
41 CFS_MODULE_PARM(min_reconnectms, "i", int, 0644,
42 "min connection retry interval (mS)");
44 static int max_reconnectms = 60000;
45 CFS_MODULE_PARM(max_reconnectms, "i", int, 0644,
46 "max connection retry interval (mS)");
48 #if defined(__APPLE__) && !defined(__DARWIN8__)
49 # define DEFAULT_EAGER_ACK 1
51 # define DEFAULT_EAGER_ACK 0
53 static int eager_ack = DEFAULT_EAGER_ACK;
54 CFS_MODULE_PARM(eager_ack, "i", int, 0644,
55 "send tcp ack packets eagerly");
57 static int typed_conns = 1;
58 CFS_MODULE_PARM(typed_conns, "i", int, 0444,
59 "use different sockets for bulk");
61 static int min_bulk = (1<<10);
62 CFS_MODULE_PARM(min_bulk, "i", int, 0644,
63 "smallest 'large' message");
67 # define DEFAULT_BUFFER_SIZE (224*1024)
69 # define DEFAULT_BUFFER_SIZE (1152 * 1024)
72 # define DEFAULT_BUFFER_SIZE 0
74 static int tx_buffer_size = DEFAULT_BUFFER_SIZE;
75 CFS_MODULE_PARM(tx_buffer_size, "i", int, 0644,
76 "socket tx buffer size (0 for system default)");
78 static int rx_buffer_size = DEFAULT_BUFFER_SIZE;
79 CFS_MODULE_PARM(rx_buffer_size, "i", int, 0644,
80 "socket rx buffer size (0 for system default)");
83 CFS_MODULE_PARM(nagle, "i", int, 0644,
86 static int keepalive_idle = 30;
87 CFS_MODULE_PARM(keepalive_idle, "i", int, 0644,
88 "# idle seconds before probe");
90 #ifdef HAVE_BGL_SUPPORT
91 #define DEFAULT_KEEPALIVE_COUNT 100
93 #define DEFAULT_KEEPALIVE_COUNT 5
95 static int keepalive_count = DEFAULT_KEEPALIVE_COUNT;
96 CFS_MODULE_PARM(keepalive_count, "i", int, 0644,
97 "# missed probes == dead");
99 static int keepalive_intvl = 5;
100 CFS_MODULE_PARM(keepalive_intvl, "i", int, 0644,
101 "seconds between probes");
103 static int enable_csum = 0;
104 CFS_MODULE_PARM(enable_csum, "i", int, 0644,
107 static int inject_csum_error = 0;
108 CFS_MODULE_PARM(inject_csum_error, "i", int, 0644,
109 "set non-zero to inject a checksum error");
111 static int enable_irq_affinity = 0;
112 CFS_MODULE_PARM(enable_irq_affinity, "i", int, 0644,
113 "enable IRQ affinity");
116 static unsigned int zc_min_frag = (2<<10);
117 CFS_MODULE_PARM(zc_min_frag, "i", int, 0644,
118 "minimum fragment to zero copy");
120 #ifdef SOCKNAL_BACKOFF
121 static int backoff_init = 3;
122 CFS_MODULE_PARM(backoff_init, "i", int, 0644,
123 "seconds for initial tcp backoff");
125 static int backoff_max = 3;
126 CFS_MODULE_PARM(backoff_max, "i", int, 0644,
127 "seconds for maximum tcp backoff");
130 #if SOCKNAL_VERSION_DEBUG
131 static int protocol = 2;
132 CFS_MODULE_PARM(protocol, "i", int, 0644,
136 ksock_tunables_t ksocknal_tunables = {
137 .ksnd_timeout = &sock_timeout,
138 .ksnd_credits = &credits,
139 .ksnd_peercredits = &peer_credits,
140 .ksnd_nconnds = &nconnds,
141 .ksnd_min_reconnectms = &min_reconnectms,
142 .ksnd_max_reconnectms = &max_reconnectms,
143 .ksnd_eager_ack = &eager_ack,
144 .ksnd_typed_conns = &typed_conns,
145 .ksnd_min_bulk = &min_bulk,
146 .ksnd_tx_buffer_size = &tx_buffer_size,
147 .ksnd_rx_buffer_size = &rx_buffer_size,
148 .ksnd_nagle = &nagle,
149 .ksnd_keepalive_idle = &keepalive_idle,
150 .ksnd_keepalive_count = &keepalive_count,
151 .ksnd_keepalive_intvl = &keepalive_intvl,
152 .ksnd_enable_csum = &enable_csum,
153 .ksnd_inject_csum_error = &inject_csum_error,
154 .ksnd_zc_min_frag = &zc_min_frag,
156 .ksnd_irq_affinity = &enable_irq_affinity,
158 #ifdef SOCKNAL_BACKOFF
159 .ksnd_backoff_init = &backoff_init,
160 .ksnd_backoff_max = &backoff_max,
162 #if SOCKNAL_VERSION_DEBUG
163 .ksnd_protocol = &protocol,