1 // SPDX-License-Identifier: GPL-2.0-only 1
2 /*
3 * net/dccp/sysctl.c
4 *
5 * An implementation of the DCCP protocol
6 * Arnaldo Carvalho de Melo <acme@mandriva.co
7 */
8
9 #include <linux/mm.h>
10 #include <linux/sysctl.h>
11 #include "dccp.h"
12 #include "feat.h"
13
14 #ifndef CONFIG_SYSCTL
15 #error This file should not be compiled withou
16 #endif
17
18 /* Boundary values */
19 static int u8_max = 0xFF;
20 static unsigned long seqw_min = DCCPF_SEQ_W
21 seqw_max = 0xFFFFFFFF;
22
23 static struct ctl_table dccp_default_table[] =
24 {
25 .procname = "seq_window"
26 .data = &sysctl_dccp
27 .maxlen = sizeof(sysct
28 .mode = 0644,
29 .proc_handler = proc_doulong
30 .extra1 = &seqw_min,
31 .extra2 = &seqw_max,
32 },
33 {
34 .procname = "rx_ccid",
35 .data = &sysctl_dccp
36 .maxlen = sizeof(sysct
37 .mode = 0644,
38 .proc_handler = proc_dointve
39 .extra1 = SYSCTL_ZERO,
40 .extra2 = &u8_max,
41 },
42 {
43 .procname = "tx_ccid",
44 .data = &sysctl_dccp
45 .maxlen = sizeof(sysct
46 .mode = 0644,
47 .proc_handler = proc_dointve
48 .extra1 = SYSCTL_ZERO,
49 .extra2 = &u8_max,
50 },
51 {
52 .procname = "request_ret
53 .data = &sysctl_dccp
54 .maxlen = sizeof(sysct
55 .mode = 0644,
56 .proc_handler = proc_dointve
57 .extra1 = SYSCTL_ONE,
58 .extra2 = &u8_max,
59 },
60 {
61 .procname = "retries1",
62 .data = &sysctl_dccp
63 .maxlen = sizeof(sysct
64 .mode = 0644,
65 .proc_handler = proc_dointve
66 .extra1 = SYSCTL_ZERO,
67 .extra2 = &u8_max,
68 },
69 {
70 .procname = "retries2",
71 .data = &sysctl_dccp
72 .maxlen = sizeof(sysct
73 .mode = 0644,
74 .proc_handler = proc_dointve
75 .extra1 = SYSCTL_ZERO,
76 .extra2 = &u8_max,
77 },
78 {
79 .procname = "tx_qlen",
80 .data = &sysctl_dccp
81 .maxlen = sizeof(sysct
82 .mode = 0644,
83 .proc_handler = proc_dointve
84 .extra1 = SYSCTL_ZERO,
85 },
86 {
87 .procname = "sync_rateli
88 .data = &sysctl_dccp
89 .maxlen = sizeof(sysct
90 .mode = 0644,
91 .proc_handler = proc_dointve
92 },
93 };
94
95 static struct ctl_table_header *dccp_table_hea
96
97 int __init dccp_sysctl_init(void)
98 {
99 dccp_table_header = register_net_sysct
100 dccp_default_table);
101
102 return dccp_table_header != NULL ? 0 :
103 }
104
105 void dccp_sysctl_exit(void)
106 {
107 if (dccp_table_header != NULL) {
108 unregister_net_sysctl_table(dc
109 dccp_table_header = NULL;
110 }
111 }
112
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