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d7e09d03 PT |
1 | /* |
2 | * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. | |
3 | * | |
4 | * Copyright (c) 2011, 2012, Intel Corporation. | |
5 | * | |
6 | * Author: Eric Barton <eric@bartonsoftware.com> | |
7 | * | |
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. | |
11 | * | |
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. | |
16 | * | |
d7e09d03 PT |
17 | */ |
18 | ||
19 | #include "socklnd.h" | |
20 | ||
21 | static int sock_timeout = 50; | |
8cc7b4b9 PT |
22 | module_param(sock_timeout, int, 0644); |
23 | MODULE_PARM_DESC(sock_timeout, "dead socket timeout (seconds)"); | |
d7e09d03 PT |
24 | |
25 | static int credits = 256; | |
8cc7b4b9 PT |
26 | module_param(credits, int, 0444); |
27 | MODULE_PARM_DESC(credits, "# concurrent sends"); | |
d7e09d03 PT |
28 | |
29 | static int peer_credits = 8; | |
8cc7b4b9 PT |
30 | module_param(peer_credits, int, 0444); |
31 | MODULE_PARM_DESC(peer_credits, "# concurrent sends to 1 peer"); | |
d7e09d03 | 32 | |
42e7f1df | 33 | static int peer_buffer_credits; |
8cc7b4b9 PT |
34 | module_param(peer_buffer_credits, int, 0444); |
35 | MODULE_PARM_DESC(peer_buffer_credits, "# per-peer router buffer credits"); | |
d7e09d03 PT |
36 | |
37 | static int peer_timeout = 180; | |
8cc7b4b9 PT |
38 | module_param(peer_timeout, int, 0444); |
39 | MODULE_PARM_DESC(peer_timeout, "Seconds without aliveness news to declare peer dead (<=0 to disable)"); | |
d7e09d03 | 40 | |
4420cfd3 JS |
41 | /* |
42 | * Number of daemons in each thread pool which is percpt, | |
43 | * we will estimate reasonable value based on CPUs if it's not set. | |
44 | */ | |
d7e09d03 | 45 | static unsigned int nscheds; |
8cc7b4b9 PT |
46 | module_param(nscheds, int, 0444); |
47 | MODULE_PARM_DESC(nscheds, "# scheduler daemons in each pool while starting"); | |
d7e09d03 PT |
48 | |
49 | static int nconnds = 4; | |
8cc7b4b9 PT |
50 | module_param(nconnds, int, 0444); |
51 | MODULE_PARM_DESC(nconnds, "# connection daemons while starting"); | |
d7e09d03 PT |
52 | |
53 | static int nconnds_max = 64; | |
8cc7b4b9 PT |
54 | module_param(nconnds_max, int, 0444); |
55 | MODULE_PARM_DESC(nconnds_max, "max # connection daemons"); | |
d7e09d03 PT |
56 | |
57 | static int min_reconnectms = 1000; | |
8cc7b4b9 PT |
58 | module_param(min_reconnectms, int, 0644); |
59 | MODULE_PARM_DESC(min_reconnectms, "min connection retry interval (mS)"); | |
d7e09d03 PT |
60 | |
61 | static int max_reconnectms = 60000; | |
8cc7b4b9 PT |
62 | module_param(max_reconnectms, int, 0644); |
63 | MODULE_PARM_DESC(max_reconnectms, "max connection retry interval (mS)"); | |
d7e09d03 PT |
64 | |
65 | # define DEFAULT_EAGER_ACK 0 | |
66 | static int eager_ack = DEFAULT_EAGER_ACK; | |
8cc7b4b9 PT |
67 | module_param(eager_ack, int, 0644); |
68 | MODULE_PARM_DESC(eager_ack, "send tcp ack packets eagerly"); | |
d7e09d03 PT |
69 | |
70 | static int typed_conns = 1; | |
8cc7b4b9 PT |
71 | module_param(typed_conns, int, 0444); |
72 | MODULE_PARM_DESC(typed_conns, "use different sockets for bulk"); | |
d7e09d03 | 73 | |
51078e25 | 74 | static int min_bulk = 1 << 10; |
8cc7b4b9 PT |
75 | module_param(min_bulk, int, 0644); |
76 | MODULE_PARM_DESC(min_bulk, "smallest 'large' message"); | |
d7e09d03 PT |
77 | |
78 | # define DEFAULT_BUFFER_SIZE 0 | |
79 | static int tx_buffer_size = DEFAULT_BUFFER_SIZE; | |
8cc7b4b9 PT |
80 | module_param(tx_buffer_size, int, 0644); |
81 | MODULE_PARM_DESC(tx_buffer_size, "socket tx buffer size (0 for system default)"); | |
d7e09d03 PT |
82 | |
83 | static int rx_buffer_size = DEFAULT_BUFFER_SIZE; | |
8cc7b4b9 PT |
84 | module_param(rx_buffer_size, int, 0644); |
85 | MODULE_PARM_DESC(rx_buffer_size, "socket rx buffer size (0 for system default)"); | |
d7e09d03 | 86 | |
42e7f1df | 87 | static int nagle; |
8cc7b4b9 PT |
88 | module_param(nagle, int, 0644); |
89 | MODULE_PARM_DESC(nagle, "enable NAGLE?"); | |
d7e09d03 PT |
90 | |
91 | static int round_robin = 1; | |
8cc7b4b9 PT |
92 | module_param(round_robin, int, 0644); |
93 | MODULE_PARM_DESC(round_robin, "Round robin for multiple interfaces"); | |
d7e09d03 PT |
94 | |
95 | static int keepalive = 30; | |
8cc7b4b9 PT |
96 | module_param(keepalive, int, 0644); |
97 | MODULE_PARM_DESC(keepalive, "# seconds before send keepalive"); | |
d7e09d03 PT |
98 | |
99 | static int keepalive_idle = 30; | |
8cc7b4b9 PT |
100 | module_param(keepalive_idle, int, 0644); |
101 | MODULE_PARM_DESC(keepalive_idle, "# idle seconds before probe"); | |
d7e09d03 PT |
102 | |
103 | #define DEFAULT_KEEPALIVE_COUNT 5 | |
104 | static int keepalive_count = DEFAULT_KEEPALIVE_COUNT; | |
8cc7b4b9 PT |
105 | module_param(keepalive_count, int, 0644); |
106 | MODULE_PARM_DESC(keepalive_count, "# missed probes == dead"); | |
d7e09d03 PT |
107 | |
108 | static int keepalive_intvl = 5; | |
8cc7b4b9 PT |
109 | module_param(keepalive_intvl, int, 0644); |
110 | MODULE_PARM_DESC(keepalive_intvl, "seconds between probes"); | |
d7e09d03 | 111 | |
42e7f1df | 112 | static int enable_csum; |
8cc7b4b9 PT |
113 | module_param(enable_csum, int, 0644); |
114 | MODULE_PARM_DESC(enable_csum, "enable check sum"); | |
d7e09d03 | 115 | |
42e7f1df | 116 | static int inject_csum_error; |
8cc7b4b9 PT |
117 | module_param(inject_csum_error, int, 0644); |
118 | MODULE_PARM_DESC(inject_csum_error, "set non-zero to inject a checksum error"); | |
d7e09d03 PT |
119 | |
120 | static int nonblk_zcack = 1; | |
8cc7b4b9 PT |
121 | module_param(nonblk_zcack, int, 0644); |
122 | MODULE_PARM_DESC(nonblk_zcack, "always send ZC-ACK on non-blocking connection"); | |
d7e09d03 | 123 | |
e21bf338 | 124 | static unsigned int zc_min_payload = 16 << 10; |
8cc7b4b9 PT |
125 | module_param(zc_min_payload, int, 0644); |
126 | MODULE_PARM_DESC(zc_min_payload, "minimum payload size to zero copy"); | |
d7e09d03 | 127 | |
42e7f1df | 128 | static unsigned int zc_recv; |
8cc7b4b9 PT |
129 | module_param(zc_recv, int, 0644); |
130 | MODULE_PARM_DESC(zc_recv, "enable ZC recv for Chelsio driver"); | |
d7e09d03 PT |
131 | |
132 | static unsigned int zc_recv_min_nfrags = 16; | |
8cc7b4b9 PT |
133 | module_param(zc_recv_min_nfrags, int, 0644); |
134 | MODULE_PARM_DESC(zc_recv_min_nfrags, "minimum # of fragments to enable ZC recv"); | |
d7e09d03 | 135 | |
d7e09d03 PT |
136 | #if SOCKNAL_VERSION_DEBUG |
137 | static int protocol = 3; | |
8cc7b4b9 PT |
138 | module_param(protocol, int, 0644); |
139 | MODULE_PARM_DESC(protocol, "protocol version"); | |
d7e09d03 PT |
140 | #endif |
141 | ||
142 | ksock_tunables_t ksocknal_tunables; | |
143 | ||
144 | int ksocknal_tunables_init(void) | |
145 | { | |
d7e09d03 | 146 | /* initialize ksocknal_tunables structure */ |
97d10d0a MS |
147 | ksocknal_tunables.ksnd_timeout = &sock_timeout; |
148 | ksocknal_tunables.ksnd_nscheds = &nscheds; | |
149 | ksocknal_tunables.ksnd_nconnds = &nconnds; | |
150 | ksocknal_tunables.ksnd_nconnds_max = &nconnds_max; | |
d7e09d03 PT |
151 | ksocknal_tunables.ksnd_min_reconnectms = &min_reconnectms; |
152 | ksocknal_tunables.ksnd_max_reconnectms = &max_reconnectms; | |
97d10d0a MS |
153 | ksocknal_tunables.ksnd_eager_ack = &eager_ack; |
154 | ksocknal_tunables.ksnd_typed_conns = &typed_conns; | |
155 | ksocknal_tunables.ksnd_min_bulk = &min_bulk; | |
d7e09d03 PT |
156 | ksocknal_tunables.ksnd_tx_buffer_size = &tx_buffer_size; |
157 | ksocknal_tunables.ksnd_rx_buffer_size = &rx_buffer_size; | |
97d10d0a MS |
158 | ksocknal_tunables.ksnd_nagle = &nagle; |
159 | ksocknal_tunables.ksnd_round_robin = &round_robin; | |
160 | ksocknal_tunables.ksnd_keepalive = &keepalive; | |
d7e09d03 PT |
161 | ksocknal_tunables.ksnd_keepalive_idle = &keepalive_idle; |
162 | ksocknal_tunables.ksnd_keepalive_count = &keepalive_count; | |
163 | ksocknal_tunables.ksnd_keepalive_intvl = &keepalive_intvl; | |
97d10d0a | 164 | ksocknal_tunables.ksnd_credits = &credits; |
d7e09d03 PT |
165 | ksocknal_tunables.ksnd_peertxcredits = &peer_credits; |
166 | ksocknal_tunables.ksnd_peerrtrcredits = &peer_buffer_credits; | |
97d10d0a MS |
167 | ksocknal_tunables.ksnd_peertimeout = &peer_timeout; |
168 | ksocknal_tunables.ksnd_enable_csum = &enable_csum; | |
d7e09d03 PT |
169 | ksocknal_tunables.ksnd_inject_csum_error = &inject_csum_error; |
170 | ksocknal_tunables.ksnd_nonblk_zcack = &nonblk_zcack; | |
171 | ksocknal_tunables.ksnd_zc_min_payload = &zc_min_payload; | |
97d10d0a | 172 | ksocknal_tunables.ksnd_zc_recv = &zc_recv; |
d7e09d03 PT |
173 | ksocknal_tunables.ksnd_zc_recv_min_nfrags = &zc_recv_min_nfrags; |
174 | ||
d7e09d03 | 175 | #if SOCKNAL_VERSION_DEBUG |
97d10d0a | 176 | ksocknal_tunables.ksnd_protocol = &protocol; |
d7e09d03 PT |
177 | #endif |
178 | ||
d7e09d03 | 179 | if (*ksocknal_tunables.ksnd_zc_min_payload < (2 << 10)) |
e21bf338 | 180 | *ksocknal_tunables.ksnd_zc_min_payload = 2 << 10; |
d7e09d03 | 181 | |
a05a2e4d | 182 | return 0; |
d7e09d03 | 183 | }; |