[CCID2]: Replace cwnd assignment-function with assignment
[linux-2.6.git] / net / dccp / sysctl.c
1 /*
2  *  net/dccp/sysctl.c
3  *
4  *  An implementation of the DCCP protocol
5  *  Arnaldo Carvalho de Melo <acme@mandriva.com>
6  *
7  *      This program is free software; you can redistribute it and/or
8  *      modify it under the terms of the GNU General Public License v2
9  *      as published by the Free Software Foundation.
10  */
11
12 #include <linux/mm.h>
13 #include <linux/sysctl.h>
14 #include "dccp.h"
15 #include "feat.h"
16
17 #ifndef CONFIG_SYSCTL
18 #error This file should not be compiled without CONFIG_SYSCTL defined
19 #endif
20
21 static struct ctl_table dccp_default_table[] = {
22         {
23                 .procname       = "seq_window",
24                 .data           = &sysctl_dccp_feat_sequence_window,
25                 .maxlen         = sizeof(sysctl_dccp_feat_sequence_window),
26                 .mode           = 0644,
27                 .proc_handler   = proc_dointvec,
28         },
29         {
30                 .procname       = "rx_ccid",
31                 .data           = &sysctl_dccp_feat_rx_ccid,
32                 .maxlen         = sizeof(sysctl_dccp_feat_rx_ccid),
33                 .mode           = 0644,
34                 .proc_handler   = proc_dointvec,
35         },
36         {
37                 .procname       = "tx_ccid",
38                 .data           = &sysctl_dccp_feat_tx_ccid,
39                 .maxlen         = sizeof(sysctl_dccp_feat_tx_ccid),
40                 .mode           = 0644,
41                 .proc_handler   = proc_dointvec,
42         },
43         {
44                 .procname       = "ack_ratio",
45                 .data           = &sysctl_dccp_feat_ack_ratio,
46                 .maxlen         = sizeof(sysctl_dccp_feat_ack_ratio),
47                 .mode           = 0644,
48                 .proc_handler   = proc_dointvec,
49         },
50         {
51                 .procname       = "send_ackvec",
52                 .data           = &sysctl_dccp_feat_send_ack_vector,
53                 .maxlen         = sizeof(sysctl_dccp_feat_send_ack_vector),
54                 .mode           = 0644,
55                 .proc_handler   = proc_dointvec,
56         },
57         {
58                 .procname       = "send_ndp",
59                 .data           = &sysctl_dccp_feat_send_ndp_count,
60                 .maxlen         = sizeof(sysctl_dccp_feat_send_ndp_count),
61                 .mode           = 0644,
62                 .proc_handler   = proc_dointvec,
63         },
64         {
65                 .procname       = "request_retries",
66                 .data           = &sysctl_dccp_request_retries,
67                 .maxlen         = sizeof(sysctl_dccp_request_retries),
68                 .mode           = 0644,
69                 .proc_handler   = proc_dointvec,
70         },
71         {
72                 .procname       = "retries1",
73                 .data           = &sysctl_dccp_retries1,
74                 .maxlen         = sizeof(sysctl_dccp_retries1),
75                 .mode           = 0644,
76                 .proc_handler   = proc_dointvec,
77         },
78         {
79                 .procname       = "retries2",
80                 .data           = &sysctl_dccp_retries2,
81                 .maxlen         = sizeof(sysctl_dccp_retries2),
82                 .mode           = 0644,
83                 .proc_handler   = proc_dointvec,
84         },
85         {
86                 .procname       = "tx_qlen",
87                 .data           = &sysctl_dccp_tx_qlen,
88                 .maxlen         = sizeof(sysctl_dccp_tx_qlen),
89                 .mode           = 0644,
90                 .proc_handler   = proc_dointvec,
91         },
92         {
93                 .procname       = "sync_ratelimit",
94                 .data           = &sysctl_dccp_sync_ratelimit,
95                 .maxlen         = sizeof(sysctl_dccp_sync_ratelimit),
96                 .mode           = 0644,
97                 .proc_handler   = proc_dointvec_ms_jiffies,
98         },
99
100         { .ctl_name = 0, }
101 };
102
103 static struct ctl_table dccp_table[] = {
104         {
105                 .ctl_name       = NET_DCCP_DEFAULT,
106                 .procname       = "default",
107                 .mode           = 0555,
108                 .child          = dccp_default_table,
109         },
110         { .ctl_name = 0, },
111 };
112
113 static struct ctl_table dccp_dir_table[] = {
114         {
115                 .ctl_name       = NET_DCCP,
116                 .procname       = "dccp",
117                 .mode           = 0555,
118                 .child          = dccp_table,
119         },
120         { .ctl_name = 0, },
121 };
122
123 static struct ctl_table dccp_root_table[] = {
124         {
125                 .ctl_name       = CTL_NET,
126                 .procname       = "net",
127                 .mode           = 0555,
128                 .child          = dccp_dir_table,
129         },
130         { .ctl_name = 0, },
131 };
132
133 static struct ctl_table_header *dccp_table_header;
134
135 int __init dccp_sysctl_init(void)
136 {
137         dccp_table_header = register_sysctl_table(dccp_root_table);
138
139         return dccp_table_header != NULL ? 0 : -ENOMEM;
140 }
141
142 void dccp_sysctl_exit(void)
143 {
144         if (dccp_table_header != NULL) {
145                 unregister_sysctl_table(dccp_table_header);
146                 dccp_table_header = NULL;
147         }
148 }