aboutsummaryrefslogtreecommitdiffstats
path: root/net/decnet/sysctl_net_decnet.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/decnet/sysctl_net_decnet.c')
-rw-r--r--net/decnet/sysctl_net_decnet.c123
1 files changed, 3 insertions, 120 deletions
diff --git a/net/decnet/sysctl_net_decnet.c b/net/decnet/sysctl_net_decnet.c
index 2036568beea9..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)
@@ -215,64 +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 return rv;
273}
274
275
276static int dn_def_dev_handler(ctl_table *table, int write, 185static int dn_def_dev_handler(ctl_table *table, int write,
277 void __user *buffer, 186 void __user *buffer,
278 size_t *lenp, loff_t *ppos) 187 size_t *lenp, loff_t *ppos)
@@ -338,138 +247,112 @@ static int dn_def_dev_handler(ctl_table *table, int write,
338 247
339static ctl_table dn_table[] = { 248static ctl_table dn_table[] = {
340 { 249 {
341 .ctl_name = NET_DECNET_NODE_ADDRESS,
342 .procname = "node_address", 250 .procname = "node_address",
343 .maxlen = 7, 251 .maxlen = 7,
344 .mode = 0644, 252 .mode = 0644,
345 .proc_handler = dn_node_address_handler, 253 .proc_handler = dn_node_address_handler,
346 .strategy = dn_node_address_strategy,
347 }, 254 },
348 { 255 {
349 .ctl_name = NET_DECNET_NODE_NAME,
350 .procname = "node_name", 256 .procname = "node_name",
351 .data = node_name, 257 .data = node_name,
352 .maxlen = 7, 258 .maxlen = 7,
353 .mode = 0644, 259 .mode = 0644,
354 .proc_handler = proc_dostring, 260 .proc_handler = proc_dostring,
355 .strategy = sysctl_string,
356 }, 261 },
357 { 262 {
358 .ctl_name = NET_DECNET_DEFAULT_DEVICE,
359 .procname = "default_device", 263 .procname = "default_device",
360 .maxlen = 16, 264 .maxlen = 16,
361 .mode = 0644, 265 .mode = 0644,
362 .proc_handler = dn_def_dev_handler, 266 .proc_handler = dn_def_dev_handler,
363 .strategy = dn_def_dev_strategy,
364 }, 267 },
365 { 268 {
366 .ctl_name = NET_DECNET_TIME_WAIT,
367 .procname = "time_wait", 269 .procname = "time_wait",
368 .data = &decnet_time_wait, 270 .data = &decnet_time_wait,
369 .maxlen = sizeof(int), 271 .maxlen = sizeof(int),
370 .mode = 0644, 272 .mode = 0644,
371 .proc_handler = proc_dointvec_minmax, 273 .proc_handler = proc_dointvec_minmax,
372 .strategy = sysctl_intvec,
373 .extra1 = &min_decnet_time_wait, 274 .extra1 = &min_decnet_time_wait,
374 .extra2 = &max_decnet_time_wait 275 .extra2 = &max_decnet_time_wait
375 }, 276 },
376 { 277 {
377 .ctl_name = NET_DECNET_DN_COUNT,
378 .procname = "dn_count", 278 .procname = "dn_count",
379 .data = &decnet_dn_count, 279 .data = &decnet_dn_count,
380 .maxlen = sizeof(int), 280 .maxlen = sizeof(int),
381 .mode = 0644, 281 .mode = 0644,
382 .proc_handler = proc_dointvec_minmax, 282 .proc_handler = proc_dointvec_minmax,
383 .strategy = sysctl_intvec,
384 .extra1 = &min_state_count, 283 .extra1 = &min_state_count,
385 .extra2 = &max_state_count 284 .extra2 = &max_state_count
386 }, 285 },
387 { 286 {
388 .ctl_name = NET_DECNET_DI_COUNT,
389 .procname = "di_count", 287 .procname = "di_count",
390 .data = &decnet_di_count, 288 .data = &decnet_di_count,
391 .maxlen = sizeof(int), 289 .maxlen = sizeof(int),
392 .mode = 0644, 290 .mode = 0644,
393 .proc_handler = proc_dointvec_minmax, 291 .proc_handler = proc_dointvec_minmax,
394 .strategy = sysctl_intvec,
395 .extra1 = &min_state_count, 292 .extra1 = &min_state_count,
396 .extra2 = &max_state_count 293 .extra2 = &max_state_count
397 }, 294 },
398 { 295 {
399 .ctl_name = NET_DECNET_DR_COUNT,
400 .procname = "dr_count", 296 .procname = "dr_count",
401 .data = &decnet_dr_count, 297 .data = &decnet_dr_count,
402 .maxlen = sizeof(int), 298 .maxlen = sizeof(int),
403 .mode = 0644, 299 .mode = 0644,
404 .proc_handler = proc_dointvec_minmax, 300 .proc_handler = proc_dointvec_minmax,
405 .strategy = sysctl_intvec,
406 .extra1 = &min_state_count, 301 .extra1 = &min_state_count,
407 .extra2 = &max_state_count 302 .extra2 = &max_state_count
408 }, 303 },
409 { 304 {
410 .ctl_name = NET_DECNET_DST_GC_INTERVAL,
411 .procname = "dst_gc_interval", 305 .procname = "dst_gc_interval",
412 .data = &decnet_dst_gc_interval, 306 .data = &decnet_dst_gc_interval,
413 .maxlen = sizeof(int), 307 .maxlen = sizeof(int),
414 .mode = 0644, 308 .mode = 0644,
415 .proc_handler = proc_dointvec_minmax, 309 .proc_handler = proc_dointvec_minmax,
416 .strategy = sysctl_intvec,
417 .extra1 = &min_decnet_dst_gc_interval, 310 .extra1 = &min_decnet_dst_gc_interval,
418 .extra2 = &max_decnet_dst_gc_interval 311 .extra2 = &max_decnet_dst_gc_interval
419 }, 312 },
420 { 313 {
421 .ctl_name = NET_DECNET_NO_FC_MAX_CWND,
422 .procname = "no_fc_max_cwnd", 314 .procname = "no_fc_max_cwnd",
423 .data = &decnet_no_fc_max_cwnd, 315 .data = &decnet_no_fc_max_cwnd,
424 .maxlen = sizeof(int), 316 .maxlen = sizeof(int),
425 .mode = 0644, 317 .mode = 0644,
426 .proc_handler = proc_dointvec_minmax, 318 .proc_handler = proc_dointvec_minmax,
427 .strategy = sysctl_intvec,
428 .extra1 = &min_decnet_no_fc_max_cwnd, 319 .extra1 = &min_decnet_no_fc_max_cwnd,
429 .extra2 = &max_decnet_no_fc_max_cwnd 320 .extra2 = &max_decnet_no_fc_max_cwnd
430 }, 321 },
431 { 322 {
432 .ctl_name = NET_DECNET_MEM,
433 .procname = "decnet_mem", 323 .procname = "decnet_mem",
434 .data = &sysctl_decnet_mem, 324 .data = &sysctl_decnet_mem,
435 .maxlen = sizeof(sysctl_decnet_mem), 325 .maxlen = sizeof(sysctl_decnet_mem),
436 .mode = 0644, 326 .mode = 0644,
437 .proc_handler = proc_dointvec, 327 .proc_handler = proc_dointvec,
438 .strategy = sysctl_intvec,
439 }, 328 },
440 { 329 {
441 .ctl_name = NET_DECNET_RMEM,
442 .procname = "decnet_rmem", 330 .procname = "decnet_rmem",
443 .data = &sysctl_decnet_rmem, 331 .data = &sysctl_decnet_rmem,
444 .maxlen = sizeof(sysctl_decnet_rmem), 332 .maxlen = sizeof(sysctl_decnet_rmem),
445 .mode = 0644, 333 .mode = 0644,
446 .proc_handler = proc_dointvec, 334 .proc_handler = proc_dointvec,
447 .strategy = sysctl_intvec,
448 }, 335 },
449 { 336 {
450 .ctl_name = NET_DECNET_WMEM,
451 .procname = "decnet_wmem", 337 .procname = "decnet_wmem",
452 .data = &sysctl_decnet_wmem, 338 .data = &sysctl_decnet_wmem,
453 .maxlen = sizeof(sysctl_decnet_wmem), 339 .maxlen = sizeof(sysctl_decnet_wmem),
454 .mode = 0644, 340 .mode = 0644,
455 .proc_handler = proc_dointvec, 341 .proc_handler = proc_dointvec,
456 .strategy = sysctl_intvec,
457 }, 342 },
458 { 343 {
459 .ctl_name = NET_DECNET_DEBUG_LEVEL,
460 .procname = "debug", 344 .procname = "debug",
461 .data = &decnet_debug_level, 345 .data = &decnet_debug_level,
462 .maxlen = sizeof(int), 346 .maxlen = sizeof(int),
463 .mode = 0644, 347 .mode = 0644,
464 .proc_handler = proc_dointvec, 348 .proc_handler = proc_dointvec,
465 .strategy = sysctl_intvec,
466 }, 349 },
467 {0} 350 { }
468}; 351};
469 352
470static struct ctl_path dn_path[] = { 353static struct ctl_path dn_path[] = {
471 { .procname = "net", .ctl_name = CTL_NET, }, 354 { .procname = "net", },
472 { .procname = "decnet", .ctl_name = NET_DECNET, }, 355 { .procname = "decnet", },
473 { } 356 { }
474}; 357};
475 358