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path: root/net/decnet/sysctl_net_decnet.c
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Diffstat (limited to 'net/decnet/sysctl_net_decnet.c')
-rw-r--r--net/decnet/sysctl_net_decnet.c124
1 files changed, 3 insertions, 121 deletions
diff --git a/net/decnet/sysctl_net_decnet.c b/net/decnet/sysctl_net_decnet.c
index 26b0ab1e9f56..be3eb8e23288 100644
--- a/net/decnet/sysctl_net_decnet.c
+++ b/net/decnet/sysctl_net_decnet.c
@@ -131,39 +131,6 @@ static int parse_addr(__le16 *addr, char *str)
131 return 0; 131 return 0;
132} 132}
133 133
134
135static int dn_node_address_strategy(ctl_table *table,
136 void __user *oldval, size_t __user *oldlenp,
137 void __user *newval, size_t newlen)
138{
139 size_t len;
140 __le16 addr;
141
142 if (oldval && oldlenp) {
143 if (get_user(len, oldlenp))
144 return -EFAULT;
145 if (len) {
146 if (len != sizeof(unsigned short))
147 return -EINVAL;
148 if (put_user(decnet_address, (__le16 __user *)oldval))
149 return -EFAULT;
150 }
151 }
152 if (newval && newlen) {
153 if (newlen != sizeof(unsigned short))
154 return -EINVAL;
155 if (get_user(addr, (__le16 __user *)newval))
156 return -EFAULT;
157
158 dn_dev_devices_off();
159
160 decnet_address = addr;
161
162 dn_dev_devices_on();
163 }
164 return 0;
165}
166
167static int dn_node_address_handler(ctl_table *table, int write, 134static int dn_node_address_handler(ctl_table *table, int write,
168 void __user *buffer, 135 void __user *buffer,
169 size_t *lenp, loff_t *ppos) 136 size_t *lenp, loff_t *ppos)
@@ -215,65 +182,6 @@ static int dn_node_address_handler(ctl_table *table, int write,
215 return 0; 182 return 0;
216} 183}
217 184
218
219static int dn_def_dev_strategy(ctl_table *table,
220 void __user *oldval, size_t __user *oldlenp,
221 void __user *newval, size_t newlen)
222{
223 size_t len;
224 struct net_device *dev;
225 char devname[17];
226 size_t namel;
227 int rv = 0;
228
229 devname[0] = 0;
230
231 if (oldval && oldlenp) {
232 if (get_user(len, oldlenp))
233 return -EFAULT;
234 if (len) {
235 dev = dn_dev_get_default();
236 if (dev) {
237 strcpy(devname, dev->name);
238 dev_put(dev);
239 }
240
241 namel = strlen(devname) + 1;
242 if (len > namel) len = namel;
243
244 if (copy_to_user(oldval, devname, len))
245 return -EFAULT;
246
247 if (put_user(len, oldlenp))
248 return -EFAULT;
249 }
250 }
251
252 if (newval && newlen) {
253 if (newlen > 16)
254 return -E2BIG;
255
256 if (copy_from_user(devname, newval, newlen))
257 return -EFAULT;
258
259 devname[newlen] = 0;
260
261 dev = dev_get_by_name(&init_net, devname);
262 if (dev == NULL)
263 return -ENODEV;
264
265 rv = -ENODEV;
266 if (dev->dn_ptr != NULL) {
267 rv = dn_dev_set_default(dev, 1);
268 if (rv)
269 dev_put(dev);
270 }
271 }
272
273 return rv;
274}
275
276
277static int dn_def_dev_handler(ctl_table *table, int write, 185static int dn_def_dev_handler(ctl_table *table, int write,
278 void __user *buffer, 186 void __user *buffer,
279 size_t *lenp, loff_t *ppos) 187 size_t *lenp, loff_t *ppos)
@@ -339,138 +247,112 @@ static int dn_def_dev_handler(ctl_table *table, int write,
339 247
340static ctl_table dn_table[] = { 248static ctl_table dn_table[] = {
341 { 249 {
342 .ctl_name = NET_DECNET_NODE_ADDRESS,
343 .procname = "node_address", 250 .procname = "node_address",
344 .maxlen = 7, 251 .maxlen = 7,
345 .mode = 0644, 252 .mode = 0644,
346 .proc_handler = dn_node_address_handler, 253 .proc_handler = dn_node_address_handler,
347 .strategy = dn_node_address_strategy,
348 }, 254 },
349 { 255 {
350 .ctl_name = NET_DECNET_NODE_NAME,
351 .procname = "node_name", 256 .procname = "node_name",
352 .data = node_name, 257 .data = node_name,
353 .maxlen = 7, 258 .maxlen = 7,
354 .mode = 0644, 259 .mode = 0644,
355 .proc_handler = proc_dostring, 260 .proc_handler = proc_dostring,
356 .strategy = sysctl_string,
357 }, 261 },
358 { 262 {
359 .ctl_name = NET_DECNET_DEFAULT_DEVICE,
360 .procname = "default_device", 263 .procname = "default_device",
361 .maxlen = 16, 264 .maxlen = 16,
362 .mode = 0644, 265 .mode = 0644,
363 .proc_handler = dn_def_dev_handler, 266 .proc_handler = dn_def_dev_handler,
364 .strategy = dn_def_dev_strategy,
365 }, 267 },
366 { 268 {
367 .ctl_name = NET_DECNET_TIME_WAIT,
368 .procname = "time_wait", 269 .procname = "time_wait",
369 .data = &decnet_time_wait, 270 .data = &decnet_time_wait,
370 .maxlen = sizeof(int), 271 .maxlen = sizeof(int),
371 .mode = 0644, 272 .mode = 0644,
372 .proc_handler = proc_dointvec_minmax, 273 .proc_handler = proc_dointvec_minmax,
373 .strategy = sysctl_intvec,
374 .extra1 = &min_decnet_time_wait, 274 .extra1 = &min_decnet_time_wait,
375 .extra2 = &max_decnet_time_wait 275 .extra2 = &max_decnet_time_wait
376 }, 276 },
377 { 277 {
378 .ctl_name = NET_DECNET_DN_COUNT,
379 .procname = "dn_count", 278 .procname = "dn_count",
380 .data = &decnet_dn_count, 279 .data = &decnet_dn_count,
381 .maxlen = sizeof(int), 280 .maxlen = sizeof(int),
382 .mode = 0644, 281 .mode = 0644,
383 .proc_handler = proc_dointvec_minmax, 282 .proc_handler = proc_dointvec_minmax,
384 .strategy = sysctl_intvec,
385 .extra1 = &min_state_count, 283 .extra1 = &min_state_count,
386 .extra2 = &max_state_count 284 .extra2 = &max_state_count
387 }, 285 },
388 { 286 {
389 .ctl_name = NET_DECNET_DI_COUNT,
390 .procname = "di_count", 287 .procname = "di_count",
391 .data = &decnet_di_count, 288 .data = &decnet_di_count,
392 .maxlen = sizeof(int), 289 .maxlen = sizeof(int),
393 .mode = 0644, 290 .mode = 0644,
394 .proc_handler = proc_dointvec_minmax, 291 .proc_handler = proc_dointvec_minmax,
395 .strategy = sysctl_intvec,
396 .extra1 = &min_state_count, 292 .extra1 = &min_state_count,
397 .extra2 = &max_state_count 293 .extra2 = &max_state_count
398 }, 294 },
399 { 295 {
400 .ctl_name = NET_DECNET_DR_COUNT,
401 .procname = "dr_count", 296 .procname = "dr_count",
402 .data = &decnet_dr_count, 297 .data = &decnet_dr_count,
403 .maxlen = sizeof(int), 298 .maxlen = sizeof(int),
404 .mode = 0644, 299 .mode = 0644,
405 .proc_handler = proc_dointvec_minmax, 300 .proc_handler = proc_dointvec_minmax,
406 .strategy = sysctl_intvec,
407 .extra1 = &min_state_count, 301 .extra1 = &min_state_count,
408 .extra2 = &max_state_count 302 .extra2 = &max_state_count
409 }, 303 },
410 { 304 {
411 .ctl_name = NET_DECNET_DST_GC_INTERVAL,
412 .procname = "dst_gc_interval", 305 .procname = "dst_gc_interval",
413 .data = &decnet_dst_gc_interval, 306 .data = &decnet_dst_gc_interval,
414 .maxlen = sizeof(int), 307 .maxlen = sizeof(int),
415 .mode = 0644, 308 .mode = 0644,
416 .proc_handler = proc_dointvec_minmax, 309 .proc_handler = proc_dointvec_minmax,
417 .strategy = sysctl_intvec,
418 .extra1 = &min_decnet_dst_gc_interval, 310 .extra1 = &min_decnet_dst_gc_interval,
419 .extra2 = &max_decnet_dst_gc_interval 311 .extra2 = &max_decnet_dst_gc_interval
420 }, 312 },
421 { 313 {
422 .ctl_name = NET_DECNET_NO_FC_MAX_CWND,
423 .procname = "no_fc_max_cwnd", 314 .procname = "no_fc_max_cwnd",
424 .data = &decnet_no_fc_max_cwnd, 315 .data = &decnet_no_fc_max_cwnd,
425 .maxlen = sizeof(int), 316 .maxlen = sizeof(int),
426 .mode = 0644, 317 .mode = 0644,
427 .proc_handler = proc_dointvec_minmax, 318 .proc_handler = proc_dointvec_minmax,
428 .strategy = sysctl_intvec,
429 .extra1 = &min_decnet_no_fc_max_cwnd, 319 .extra1 = &min_decnet_no_fc_max_cwnd,
430 .extra2 = &max_decnet_no_fc_max_cwnd 320 .extra2 = &max_decnet_no_fc_max_cwnd
431 }, 321 },
432 { 322 {
433 .ctl_name = NET_DECNET_MEM,
434 .procname = "decnet_mem", 323 .procname = "decnet_mem",
435 .data = &sysctl_decnet_mem, 324 .data = &sysctl_decnet_mem,
436 .maxlen = sizeof(sysctl_decnet_mem), 325 .maxlen = sizeof(sysctl_decnet_mem),
437 .mode = 0644, 326 .mode = 0644,
438 .proc_handler = proc_dointvec, 327 .proc_handler = proc_dointvec,
439 .strategy = sysctl_intvec,
440 }, 328 },
441 { 329 {
442 .ctl_name = NET_DECNET_RMEM,
443 .procname = "decnet_rmem", 330 .procname = "decnet_rmem",
444 .data = &sysctl_decnet_rmem, 331 .data = &sysctl_decnet_rmem,
445 .maxlen = sizeof(sysctl_decnet_rmem), 332 .maxlen = sizeof(sysctl_decnet_rmem),
446 .mode = 0644, 333 .mode = 0644,
447 .proc_handler = proc_dointvec, 334 .proc_handler = proc_dointvec,
448 .strategy = sysctl_intvec,
449 }, 335 },
450 { 336 {
451 .ctl_name = NET_DECNET_WMEM,
452 .procname = "decnet_wmem", 337 .procname = "decnet_wmem",
453 .data = &sysctl_decnet_wmem, 338 .data = &sysctl_decnet_wmem,
454 .maxlen = sizeof(sysctl_decnet_wmem), 339 .maxlen = sizeof(sysctl_decnet_wmem),
455 .mode = 0644, 340 .mode = 0644,
456 .proc_handler = proc_dointvec, 341 .proc_handler = proc_dointvec,
457 .strategy = sysctl_intvec,
458 }, 342 },
459 { 343 {
460 .ctl_name = NET_DECNET_DEBUG_LEVEL,
461 .procname = "debug", 344 .procname = "debug",
462 .data = &decnet_debug_level, 345 .data = &decnet_debug_level,
463 .maxlen = sizeof(int), 346 .maxlen = sizeof(int),
464 .mode = 0644, 347 .mode = 0644,
465 .proc_handler = proc_dointvec, 348 .proc_handler = proc_dointvec,
466 .strategy = sysctl_intvec,
467 }, 349 },
468 {0} 350 { }
469}; 351};
470 352
471static struct ctl_path dn_path[] = { 353static struct ctl_path dn_path[] = {
472 { .procname = "net", .ctl_name = CTL_NET, }, 354 { .procname = "net", },
473 { .procname = "decnet", .ctl_name = NET_DECNET, }, 355 { .procname = "decnet", },
474 { } 356 { }
475}; 357};
476 358