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44#include <net/sctp/structs.h>
45#include <net/sctp/sctp.h>
46#include <linux/sysctl.h>
47
48static int zero = 0;
49static int one = 1;
50static int timer_max = 86400000;
51static int int_max = INT_MAX;
52static int sack_timer_min = 1;
53static int sack_timer_max = 500;
54static int addr_scope_max = 3;
55
56extern int sysctl_sctp_mem[3];
57extern int sysctl_sctp_rmem[3];
58extern int sysctl_sctp_wmem[3];
59
60static ctl_table sctp_table[] = {
61 {
62 .ctl_name = NET_SCTP_RTO_INITIAL,
63 .procname = "rto_initial",
64 .data = &sctp_rto_initial,
65 .maxlen = sizeof(unsigned int),
66 .mode = 0644,
67 .proc_handler = proc_dointvec_minmax,
68 .strategy = sysctl_intvec,
69 .extra1 = &one,
70 .extra2 = &timer_max
71 },
72 {
73 .ctl_name = NET_SCTP_RTO_MIN,
74 .procname = "rto_min",
75 .data = &sctp_rto_min,
76 .maxlen = sizeof(unsigned int),
77 .mode = 0644,
78 .proc_handler = proc_dointvec_minmax,
79 .strategy = sysctl_intvec,
80 .extra1 = &one,
81 .extra2 = &timer_max
82 },
83 {
84 .ctl_name = NET_SCTP_RTO_MAX,
85 .procname = "rto_max",
86 .data = &sctp_rto_max,
87 .maxlen = sizeof(unsigned int),
88 .mode = 0644,
89 .proc_handler = proc_dointvec_minmax,
90 .strategy = sysctl_intvec,
91 .extra1 = &one,
92 .extra2 = &timer_max
93 },
94 {
95 .ctl_name = NET_SCTP_VALID_COOKIE_LIFE,
96 .procname = "valid_cookie_life",
97 .data = &sctp_valid_cookie_life,
98 .maxlen = sizeof(unsigned int),
99 .mode = 0644,
100 .proc_handler = proc_dointvec_minmax,
101 .strategy = sysctl_intvec,
102 .extra1 = &one,
103 .extra2 = &timer_max
104 },
105 {
106 .ctl_name = NET_SCTP_MAX_BURST,
107 .procname = "max_burst",
108 .data = &sctp_max_burst,
109 .maxlen = sizeof(int),
110 .mode = 0644,
111 .proc_handler = proc_dointvec_minmax,
112 .strategy = sysctl_intvec,
113 .extra1 = &zero,
114 .extra2 = &int_max
115 },
116 {
117 .ctl_name = NET_SCTP_ASSOCIATION_MAX_RETRANS,
118 .procname = "association_max_retrans",
119 .data = &sctp_max_retrans_association,
120 .maxlen = sizeof(int),
121 .mode = 0644,
122 .proc_handler = proc_dointvec_minmax,
123 .strategy = sysctl_intvec,
124 .extra1 = &one,
125 .extra2 = &int_max
126 },
127 {
128 .ctl_name = NET_SCTP_SNDBUF_POLICY,
129 .procname = "sndbuf_policy",
130 .data = &sctp_sndbuf_policy,
131 .maxlen = sizeof(int),
132 .mode = 0644,
133 .proc_handler = proc_dointvec,
134 .strategy = sysctl_intvec
135 },
136 {
137 .ctl_name = NET_SCTP_RCVBUF_POLICY,
138 .procname = "rcvbuf_policy",
139 .data = &sctp_rcvbuf_policy,
140 .maxlen = sizeof(int),
141 .mode = 0644,
142 .proc_handler = proc_dointvec,
143 .strategy = sysctl_intvec
144 },
145 {
146 .ctl_name = NET_SCTP_PATH_MAX_RETRANS,
147 .procname = "path_max_retrans",
148 .data = &sctp_max_retrans_path,
149 .maxlen = sizeof(int),
150 .mode = 0644,
151 .proc_handler = proc_dointvec_minmax,
152 .strategy = sysctl_intvec,
153 .extra1 = &one,
154 .extra2 = &int_max
155 },
156 {
157 .ctl_name = NET_SCTP_MAX_INIT_RETRANSMITS,
158 .procname = "max_init_retransmits",
159 .data = &sctp_max_retrans_init,
160 .maxlen = sizeof(int),
161 .mode = 0644,
162 .proc_handler = proc_dointvec_minmax,
163 .strategy = sysctl_intvec,
164 .extra1 = &one,
165 .extra2 = &int_max
166 },
167 {
168 .ctl_name = NET_SCTP_HB_INTERVAL,
169 .procname = "hb_interval",
170 .data = &sctp_hb_interval,
171 .maxlen = sizeof(unsigned int),
172 .mode = 0644,
173 .proc_handler = proc_dointvec_minmax,
174 .strategy = sysctl_intvec,
175 .extra1 = &one,
176 .extra2 = &timer_max
177 },
178 {
179 .ctl_name = NET_SCTP_PRESERVE_ENABLE,
180 .procname = "cookie_preserve_enable",
181 .data = &sctp_cookie_preserve_enable,
182 .maxlen = sizeof(int),
183 .mode = 0644,
184 .proc_handler = proc_dointvec,
185 .strategy = sysctl_intvec
186 },
187 {
188 .ctl_name = NET_SCTP_RTO_ALPHA,
189 .procname = "rto_alpha_exp_divisor",
190 .data = &sctp_rto_alpha,
191 .maxlen = sizeof(int),
192 .mode = 0444,
193 .proc_handler = proc_dointvec,
194 .strategy = sysctl_intvec
195 },
196 {
197 .ctl_name = NET_SCTP_RTO_BETA,
198 .procname = "rto_beta_exp_divisor",
199 .data = &sctp_rto_beta,
200 .maxlen = sizeof(int),
201 .mode = 0444,
202 .proc_handler = proc_dointvec,
203 .strategy = sysctl_intvec
204 },
205 {
206 .ctl_name = NET_SCTP_ADDIP_ENABLE,
207 .procname = "addip_enable",
208 .data = &sctp_addip_enable,
209 .maxlen = sizeof(int),
210 .mode = 0644,
211 .proc_handler = proc_dointvec,
212 .strategy = sysctl_intvec
213 },
214 {
215 .ctl_name = NET_SCTP_PRSCTP_ENABLE,
216 .procname = "prsctp_enable",
217 .data = &sctp_prsctp_enable,
218 .maxlen = sizeof(int),
219 .mode = 0644,
220 .proc_handler = proc_dointvec,
221 .strategy = sysctl_intvec
222 },
223 {
224 .ctl_name = NET_SCTP_SACK_TIMEOUT,
225 .procname = "sack_timeout",
226 .data = &sctp_sack_timeout,
227 .maxlen = sizeof(int),
228 .mode = 0644,
229 .proc_handler = proc_dointvec_minmax,
230 .strategy = sysctl_intvec,
231 .extra1 = &sack_timer_min,
232 .extra2 = &sack_timer_max,
233 },
234 {
235 .ctl_name = CTL_UNNUMBERED,
236 .procname = "sctp_mem",
237 .data = &sysctl_sctp_mem,
238 .maxlen = sizeof(sysctl_sctp_mem),
239 .mode = 0644,
240 .proc_handler = proc_dointvec,
241 },
242 {
243 .ctl_name = CTL_UNNUMBERED,
244 .procname = "sctp_rmem",
245 .data = &sysctl_sctp_rmem,
246 .maxlen = sizeof(sysctl_sctp_rmem),
247 .mode = 0644,
248 .proc_handler = proc_dointvec,
249 },
250 {
251 .ctl_name = CTL_UNNUMBERED,
252 .procname = "sctp_wmem",
253 .data = &sysctl_sctp_wmem,
254 .maxlen = sizeof(sysctl_sctp_wmem),
255 .mode = 0644,
256 .proc_handler = proc_dointvec,
257 },
258 {
259 .ctl_name = CTL_UNNUMBERED,
260 .procname = "auth_enable",
261 .data = &sctp_auth_enable,
262 .maxlen = sizeof(int),
263 .mode = 0644,
264 .proc_handler = proc_dointvec,
265 .strategy = sysctl_intvec
266 },
267 {
268 .ctl_name = CTL_UNNUMBERED,
269 .procname = "addip_noauth_enable",
270 .data = &sctp_addip_noauth,
271 .maxlen = sizeof(int),
272 .mode = 0644,
273 .proc_handler = proc_dointvec,
274 .strategy = sysctl_intvec
275 },
276 {
277 .ctl_name = CTL_UNNUMBERED,
278 .procname = "addr_scope_policy",
279 .data = &sctp_scope_policy,
280 .maxlen = sizeof(int),
281 .mode = 0644,
282 .proc_handler = &proc_dointvec_minmax,
283 .strategy = &sysctl_intvec,
284 .extra1 = &zero,
285 .extra2 = &addr_scope_max,
286 },
287 { .ctl_name = 0 }
288};
289
290static struct ctl_path sctp_path[] = {
291 { .procname = "net", .ctl_name = CTL_NET, },
292 { .procname = "sctp", .ctl_name = NET_SCTP, },
293 { }
294};
295
296static struct ctl_table_header * sctp_sysctl_header;
297
298
299void sctp_sysctl_register(void)
300{
301 sctp_sysctl_header = register_sysctl_paths(sctp_path, sctp_table);
302}
303
304
305void sctp_sysctl_unregister(void)
306{
307 unregister_sysctl_table(sctp_sysctl_header);
308}
309
