Commit | Line | Data |
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bfb3e5dd RA |
1 | /* |
2 | * Copyright (c) 2014, Ericsson AB | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions are met: | |
7 | * | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
13 | * 3. Neither the names of the copyright holders nor the names of its | |
14 | * contributors may be used to endorse or promote products derived from | |
15 | * this software without specific prior written permission. | |
16 | * | |
17 | * Alternatively, this software may be distributed under the terms of the | |
18 | * GNU General Public License ("GPL") version 2 as published by the Free | |
19 | * Software Foundation. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | |
25 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
31 | * POSSIBILITY OF SUCH DAMAGE. | |
32 | */ | |
33 | ||
34 | #include "core.h" | |
d0796d1e | 35 | #include "bearer.h" |
f2b3b2d4 | 36 | #include "link.h" |
44a8ae94 | 37 | #include "name_table.h" |
487d2a3a | 38 | #include "socket.h" |
4b28cb58 | 39 | #include "node.h" |
964f9501 | 40 | #include "net.h" |
bfb3e5dd RA |
41 | #include <net/genetlink.h> |
42 | #include <linux/tipc_config.h> | |
43 | ||
d0796d1e RA |
44 | /* The legacy API had an artificial message length limit called |
45 | * ULTRA_STRING_MAX_LEN. | |
46 | */ | |
47 | #define ULTRA_STRING_MAX_LEN 32768 | |
48 | ||
49 | #define TIPC_SKB_MAX TLV_SPACE(ULTRA_STRING_MAX_LEN) | |
50 | ||
51 | #define REPLY_TRUNCATED "<truncated>\n" | |
52 | ||
53 | struct tipc_nl_compat_msg { | |
54 | u16 cmd; | |
f2b3b2d4 | 55 | int rep_type; |
d0796d1e | 56 | int rep_size; |
9ab15465 | 57 | int req_type; |
4da5f001 | 58 | int req_size; |
c3d6fb85 | 59 | struct net *net; |
d0796d1e RA |
60 | struct sk_buff *rep; |
61 | struct tlv_desc *req; | |
62 | struct sock *dst_sk; | |
63 | }; | |
64 | ||
65 | struct tipc_nl_compat_cmd_dump { | |
44a8ae94 | 66 | int (*header)(struct tipc_nl_compat_msg *); |
d0796d1e RA |
67 | int (*dumpit)(struct sk_buff *, struct netlink_callback *); |
68 | int (*format)(struct tipc_nl_compat_msg *msg, struct nlattr **attrs); | |
69 | }; | |
70 | ||
9ab15465 RA |
71 | struct tipc_nl_compat_cmd_doit { |
72 | int (*doit)(struct sk_buff *skb, struct genl_info *info); | |
c3d6fb85 RA |
73 | int (*transcode)(struct tipc_nl_compat_cmd_doit *cmd, |
74 | struct sk_buff *skb, struct tipc_nl_compat_msg *msg); | |
9ab15465 RA |
75 | }; |
76 | ||
d0796d1e RA |
77 | static int tipc_skb_tailroom(struct sk_buff *skb) |
78 | { | |
79 | int tailroom; | |
80 | int limit; | |
81 | ||
82 | tailroom = skb_tailroom(skb); | |
83 | limit = TIPC_SKB_MAX - skb->len; | |
84 | ||
85 | if (tailroom < limit) | |
86 | return tailroom; | |
87 | ||
88 | return limit; | |
89 | } | |
90 | ||
8b66fee7 YX |
91 | static inline int TLV_GET_DATA_LEN(struct tlv_desc *tlv) |
92 | { | |
93 | return TLV_GET_LEN(tlv) - TLV_SPACE(0); | |
94 | } | |
95 | ||
d0796d1e RA |
96 | static int tipc_add_tlv(struct sk_buff *skb, u16 type, void *data, u16 len) |
97 | { | |
98 | struct tlv_desc *tlv = (struct tlv_desc *)skb_tail_pointer(skb); | |
99 | ||
100 | if (tipc_skb_tailroom(skb) < TLV_SPACE(len)) | |
101 | return -EMSGSIZE; | |
102 | ||
103 | skb_put(skb, TLV_SPACE(len)); | |
104 | tlv->tlv_type = htons(type); | |
105 | tlv->tlv_len = htons(TLV_LENGTH(len)); | |
106 | if (len && data) | |
107 | memcpy(TLV_DATA(tlv), data, len); | |
108 | ||
109 | return 0; | |
110 | } | |
111 | ||
f2b3b2d4 RA |
112 | static void tipc_tlv_init(struct sk_buff *skb, u16 type) |
113 | { | |
114 | struct tlv_desc *tlv = (struct tlv_desc *)skb->data; | |
115 | ||
116 | TLV_SET_LEN(tlv, 0); | |
117 | TLV_SET_TYPE(tlv, type); | |
118 | skb_put(skb, sizeof(struct tlv_desc)); | |
119 | } | |
120 | ||
79b1119b AL |
121 | static __printf(2, 3) int tipc_tlv_sprintf(struct sk_buff *skb, |
122 | const char *fmt, ...) | |
f2b3b2d4 RA |
123 | { |
124 | int n; | |
125 | u16 len; | |
126 | u32 rem; | |
127 | char *buf; | |
128 | struct tlv_desc *tlv; | |
129 | va_list args; | |
130 | ||
131 | rem = tipc_skb_tailroom(skb); | |
132 | ||
133 | tlv = (struct tlv_desc *)skb->data; | |
134 | len = TLV_GET_LEN(tlv); | |
135 | buf = TLV_DATA(tlv) + len; | |
136 | ||
137 | va_start(args, fmt); | |
138 | n = vscnprintf(buf, rem, fmt, args); | |
139 | va_end(args); | |
140 | ||
141 | TLV_SET_LEN(tlv, n + len); | |
142 | skb_put(skb, n); | |
143 | ||
144 | return n; | |
145 | } | |
146 | ||
d0796d1e RA |
147 | static struct sk_buff *tipc_tlv_alloc(int size) |
148 | { | |
149 | int hdr_len; | |
150 | struct sk_buff *buf; | |
151 | ||
152 | size = TLV_SPACE(size); | |
153 | hdr_len = nlmsg_total_size(GENL_HDRLEN + TIPC_GENL_HDRLEN); | |
154 | ||
155 | buf = alloc_skb(hdr_len + size, GFP_KERNEL); | |
156 | if (!buf) | |
157 | return NULL; | |
158 | ||
159 | skb_reserve(buf, hdr_len); | |
160 | ||
161 | return buf; | |
162 | } | |
163 | ||
164 | static struct sk_buff *tipc_get_err_tlv(char *str) | |
165 | { | |
166 | int str_len = strlen(str) + 1; | |
167 | struct sk_buff *buf; | |
168 | ||
169 | buf = tipc_tlv_alloc(TLV_SPACE(str_len)); | |
170 | if (buf) | |
171 | tipc_add_tlv(buf, TIPC_TLV_ERROR_STRING, str, str_len); | |
172 | ||
173 | return buf; | |
174 | } | |
175 | ||
8b66fee7 YX |
176 | static inline bool string_is_valid(char *s, int len) |
177 | { | |
178 | return memchr(s, '\0', len) ? true : false; | |
179 | } | |
180 | ||
d0796d1e RA |
181 | static int __tipc_nl_compat_dumpit(struct tipc_nl_compat_cmd_dump *cmd, |
182 | struct tipc_nl_compat_msg *msg, | |
183 | struct sk_buff *arg) | |
184 | { | |
6ea67769 | 185 | struct genl_dumpit_info info; |
d0796d1e RA |
186 | int len = 0; |
187 | int err; | |
188 | struct sk_buff *buf; | |
189 | struct nlmsghdr *nlmsg; | |
190 | struct netlink_callback cb; | |
c6c08614 | 191 | struct nlattr **attrbuf; |
d0796d1e RA |
192 | |
193 | memset(&cb, 0, sizeof(cb)); | |
194 | cb.nlh = (struct nlmsghdr *)arg->data; | |
195 | cb.skb = arg; | |
6ea67769 | 196 | cb.data = &info; |
d0796d1e RA |
197 | |
198 | buf = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); | |
199 | if (!buf) | |
200 | return -ENOMEM; | |
201 | ||
202 | buf->sk = msg->dst_sk; | |
12a78b02 CW |
203 | if (__tipc_dump_start(&cb, msg->net)) { |
204 | kfree_skb(buf); | |
205 | return -ENOMEM; | |
206 | } | |
d0796d1e | 207 | |
a7869e5f YX |
208 | attrbuf = kcalloc(tipc_genl_family.maxattr + 1, |
209 | sizeof(struct nlattr *), GFP_KERNEL); | |
c6c08614 JP |
210 | if (!attrbuf) { |
211 | err = -ENOMEM; | |
212 | goto err_out; | |
213 | } | |
214 | ||
6ea67769 | 215 | info.attrs = attrbuf; |
6ea67769 | 216 | |
c32c928d HL |
217 | if (nlmsg_len(cb.nlh) > 0) { |
218 | err = nlmsg_parse_deprecated(cb.nlh, GENL_HDRLEN, attrbuf, | |
219 | tipc_genl_family.maxattr, | |
220 | tipc_genl_family.policy, NULL); | |
221 | if (err) | |
222 | goto err_out; | |
223 | } | |
d0796d1e RA |
224 | do { |
225 | int rem; | |
226 | ||
227 | len = (*cmd->dumpit)(buf, &cb); | |
228 | ||
229 | nlmsg_for_each_msg(nlmsg, nlmsg_hdr(buf), len, rem) { | |
c6c08614 JP |
230 | err = nlmsg_parse_deprecated(nlmsg, GENL_HDRLEN, |
231 | attrbuf, | |
232 | tipc_genl_family.maxattr, | |
233 | tipc_genl_family.policy, | |
234 | NULL); | |
d0796d1e RA |
235 | if (err) |
236 | goto err_out; | |
237 | ||
c6c08614 | 238 | err = (*cmd->format)(msg, attrbuf); |
d0796d1e RA |
239 | if (err) |
240 | goto err_out; | |
241 | ||
242 | if (tipc_skb_tailroom(msg->rep) <= 1) { | |
243 | err = -EMSGSIZE; | |
244 | goto err_out; | |
245 | } | |
246 | } | |
247 | ||
248 | skb_reset_tail_pointer(buf); | |
249 | buf->len = 0; | |
250 | ||
251 | } while (len); | |
252 | ||
253 | err = 0; | |
254 | ||
255 | err_out: | |
c6c08614 | 256 | kfree(attrbuf); |
8f5c5fcf | 257 | tipc_dump_done(&cb); |
d0796d1e RA |
258 | kfree_skb(buf); |
259 | ||
260 | if (err == -EMSGSIZE) { | |
261 | /* The legacy API only considered messages filling | |
262 | * "ULTRA_STRING_MAX_LEN" to be truncated. | |
263 | */ | |
264 | if ((TIPC_SKB_MAX - msg->rep->len) <= 1) { | |
265 | char *tail = skb_tail_pointer(msg->rep); | |
266 | ||
267 | if (*tail != '\0') | |
268 | sprintf(tail - sizeof(REPLY_TRUNCATED) - 1, | |
269 | REPLY_TRUNCATED); | |
270 | } | |
271 | ||
272 | return 0; | |
273 | } | |
274 | ||
275 | return err; | |
276 | } | |
277 | ||
278 | static int tipc_nl_compat_dumpit(struct tipc_nl_compat_cmd_dump *cmd, | |
279 | struct tipc_nl_compat_msg *msg) | |
280 | { | |
47733f9d | 281 | struct nlmsghdr *nlh; |
d0796d1e | 282 | struct sk_buff *arg; |
47733f9d | 283 | int err; |
d0796d1e | 284 | |
4da5f001 TK |
285 | if (msg->req_type && (!msg->req_size || |
286 | !TLV_CHECK_TYPE(msg->req, msg->req_type))) | |
f2b3b2d4 RA |
287 | return -EINVAL; |
288 | ||
d0796d1e RA |
289 | msg->rep = tipc_tlv_alloc(msg->rep_size); |
290 | if (!msg->rep) | |
291 | return -ENOMEM; | |
292 | ||
f2b3b2d4 RA |
293 | if (msg->rep_type) |
294 | tipc_tlv_init(msg->rep, msg->rep_type); | |
295 | ||
2ac695d1 XL |
296 | if (cmd->header) { |
297 | err = (*cmd->header)(msg); | |
298 | if (err) { | |
299 | kfree_skb(msg->rep); | |
300 | msg->rep = NULL; | |
301 | return err; | |
302 | } | |
303 | } | |
44a8ae94 | 304 | |
d0796d1e RA |
305 | arg = nlmsg_new(0, GFP_KERNEL); |
306 | if (!arg) { | |
307 | kfree_skb(msg->rep); | |
5bfd37b4 | 308 | msg->rep = NULL; |
d0796d1e RA |
309 | return -ENOMEM; |
310 | } | |
311 | ||
47733f9d CW |
312 | nlh = nlmsg_put(arg, 0, 0, tipc_genl_family.id, 0, NLM_F_MULTI); |
313 | if (!nlh) { | |
314 | kfree_skb(arg); | |
315 | kfree_skb(msg->rep); | |
316 | msg->rep = NULL; | |
317 | return -EMSGSIZE; | |
318 | } | |
319 | nlmsg_end(arg, nlh); | |
320 | ||
d0796d1e | 321 | err = __tipc_nl_compat_dumpit(cmd, msg, arg); |
5bfd37b4 | 322 | if (err) { |
d0796d1e | 323 | kfree_skb(msg->rep); |
5bfd37b4 ED |
324 | msg->rep = NULL; |
325 | } | |
d0796d1e RA |
326 | kfree_skb(arg); |
327 | ||
328 | return err; | |
329 | } | |
330 | ||
9ab15465 RA |
331 | static int __tipc_nl_compat_doit(struct tipc_nl_compat_cmd_doit *cmd, |
332 | struct tipc_nl_compat_msg *msg) | |
333 | { | |
334 | int err; | |
335 | struct sk_buff *doit_buf; | |
336 | struct sk_buff *trans_buf; | |
337 | struct nlattr **attrbuf; | |
338 | struct genl_info info; | |
339 | ||
340 | trans_buf = alloc_skb(NLMSG_GOODSIZE, GFP_KERNEL); | |
341 | if (!trans_buf) | |
342 | return -ENOMEM; | |
343 | ||
6da2ec56 KC |
344 | attrbuf = kmalloc_array(tipc_genl_family.maxattr + 1, |
345 | sizeof(struct nlattr *), | |
346 | GFP_KERNEL); | |
9ab15465 RA |
347 | if (!attrbuf) { |
348 | err = -ENOMEM; | |
349 | goto trans_out; | |
350 | } | |
351 | ||
9ab15465 RA |
352 | doit_buf = alloc_skb(NLMSG_GOODSIZE, GFP_KERNEL); |
353 | if (!doit_buf) { | |
354 | err = -ENOMEM; | |
e5d1a1ee | 355 | goto attrbuf_out; |
9ab15465 RA |
356 | } |
357 | ||
9ab15465 RA |
358 | memset(&info, 0, sizeof(info)); |
359 | info.attrs = attrbuf; | |
360 | ||
ed4ffdfe | 361 | rtnl_lock(); |
e5d1a1ee YX |
362 | err = (*cmd->transcode)(cmd, trans_buf, msg); |
363 | if (err) | |
364 | goto doit_out; | |
365 | ||
8cb08174 JB |
366 | err = nla_parse_deprecated(attrbuf, tipc_genl_family.maxattr, |
367 | (const struct nlattr *)trans_buf->data, | |
368 | trans_buf->len, NULL, NULL); | |
e5d1a1ee YX |
369 | if (err) |
370 | goto doit_out; | |
371 | ||
372 | doit_buf->sk = msg->dst_sk; | |
373 | ||
9ab15465 | 374 | err = (*cmd->doit)(doit_buf, &info); |
e5d1a1ee | 375 | doit_out: |
ed4ffdfe | 376 | rtnl_unlock(); |
9ab15465 RA |
377 | |
378 | kfree_skb(doit_buf); | |
e5d1a1ee | 379 | attrbuf_out: |
9ab15465 RA |
380 | kfree(attrbuf); |
381 | trans_out: | |
382 | kfree_skb(trans_buf); | |
383 | ||
384 | return err; | |
385 | } | |
386 | ||
387 | static int tipc_nl_compat_doit(struct tipc_nl_compat_cmd_doit *cmd, | |
388 | struct tipc_nl_compat_msg *msg) | |
389 | { | |
390 | int err; | |
391 | ||
4da5f001 TK |
392 | if (msg->req_type && (!msg->req_size || |
393 | !TLV_CHECK_TYPE(msg->req, msg->req_type))) | |
9ab15465 RA |
394 | return -EINVAL; |
395 | ||
396 | err = __tipc_nl_compat_doit(cmd, msg); | |
397 | if (err) | |
398 | return err; | |
399 | ||
400 | /* The legacy API considered an empty message a success message */ | |
401 | msg->rep = tipc_tlv_alloc(0); | |
402 | if (!msg->rep) | |
403 | return -ENOMEM; | |
404 | ||
405 | return 0; | |
406 | } | |
407 | ||
d0796d1e RA |
408 | static int tipc_nl_compat_bearer_dump(struct tipc_nl_compat_msg *msg, |
409 | struct nlattr **attrs) | |
410 | { | |
411 | struct nlattr *bearer[TIPC_NLA_BEARER_MAX + 1]; | |
297f7d2c BD |
412 | int err; |
413 | ||
414 | if (!attrs[TIPC_NLA_BEARER]) | |
415 | return -EINVAL; | |
d0796d1e | 416 | |
8cb08174 JB |
417 | err = nla_parse_nested_deprecated(bearer, TIPC_NLA_BEARER_MAX, |
418 | attrs[TIPC_NLA_BEARER], NULL, NULL); | |
297f7d2c BD |
419 | if (err) |
420 | return err; | |
d0796d1e RA |
421 | |
422 | return tipc_add_tlv(msg->rep, TIPC_TLV_BEARER_NAME, | |
423 | nla_data(bearer[TIPC_NLA_BEARER_NAME]), | |
424 | nla_len(bearer[TIPC_NLA_BEARER_NAME])); | |
425 | } | |
426 | ||
c3d6fb85 RA |
427 | static int tipc_nl_compat_bearer_enable(struct tipc_nl_compat_cmd_doit *cmd, |
428 | struct sk_buff *skb, | |
9ab15465 RA |
429 | struct tipc_nl_compat_msg *msg) |
430 | { | |
431 | struct nlattr *prop; | |
432 | struct nlattr *bearer; | |
433 | struct tipc_bearer_config *b; | |
0762216c | 434 | int len; |
9ab15465 RA |
435 | |
436 | b = (struct tipc_bearer_config *)TLV_DATA(msg->req); | |
437 | ||
ae0be8de | 438 | bearer = nla_nest_start_noflag(skb, TIPC_NLA_BEARER); |
9ab15465 RA |
439 | if (!bearer) |
440 | return -EMSGSIZE; | |
441 | ||
6f07e5f0 XL |
442 | len = TLV_GET_DATA_LEN(msg->req); |
443 | len -= offsetof(struct tipc_bearer_config, name); | |
444 | if (len <= 0) | |
445 | return -EINVAL; | |
446 | ||
447 | len = min_t(int, len, TIPC_MAX_BEARER_NAME); | |
0762216c YX |
448 | if (!string_is_valid(b->name, len)) |
449 | return -EINVAL; | |
450 | ||
9ab15465 RA |
451 | if (nla_put_string(skb, TIPC_NLA_BEARER_NAME, b->name)) |
452 | return -EMSGSIZE; | |
453 | ||
454 | if (nla_put_u32(skb, TIPC_NLA_BEARER_DOMAIN, ntohl(b->disc_domain))) | |
455 | return -EMSGSIZE; | |
456 | ||
457 | if (ntohl(b->priority) <= TIPC_MAX_LINK_PRI) { | |
ae0be8de | 458 | prop = nla_nest_start_noflag(skb, TIPC_NLA_BEARER_PROP); |
9ab15465 RA |
459 | if (!prop) |
460 | return -EMSGSIZE; | |
461 | if (nla_put_u32(skb, TIPC_NLA_PROP_PRIO, ntohl(b->priority))) | |
462 | return -EMSGSIZE; | |
463 | nla_nest_end(skb, prop); | |
464 | } | |
465 | nla_nest_end(skb, bearer); | |
466 | ||
467 | return 0; | |
468 | } | |
469 | ||
c3d6fb85 RA |
470 | static int tipc_nl_compat_bearer_disable(struct tipc_nl_compat_cmd_doit *cmd, |
471 | struct sk_buff *skb, | |
9ab15465 RA |
472 | struct tipc_nl_compat_msg *msg) |
473 | { | |
474 | char *name; | |
475 | struct nlattr *bearer; | |
0762216c | 476 | int len; |
9ab15465 RA |
477 | |
478 | name = (char *)TLV_DATA(msg->req); | |
479 | ||
ae0be8de | 480 | bearer = nla_nest_start_noflag(skb, TIPC_NLA_BEARER); |
9ab15465 RA |
481 | if (!bearer) |
482 | return -EMSGSIZE; | |
483 | ||
4f07b80c XL |
484 | len = TLV_GET_DATA_LEN(msg->req); |
485 | if (len <= 0) | |
486 | return -EINVAL; | |
487 | ||
488 | len = min_t(int, len, TIPC_MAX_BEARER_NAME); | |
0762216c YX |
489 | if (!string_is_valid(name, len)) |
490 | return -EINVAL; | |
491 | ||
9ab15465 RA |
492 | if (nla_put_string(skb, TIPC_NLA_BEARER_NAME, name)) |
493 | return -EMSGSIZE; | |
494 | ||
495 | nla_nest_end(skb, bearer); | |
496 | ||
497 | return 0; | |
498 | } | |
499 | ||
f2b3b2d4 RA |
500 | static inline u32 perc(u32 count, u32 total) |
501 | { | |
502 | return (count * 100 + (total / 2)) / total; | |
503 | } | |
504 | ||
505 | static void __fill_bc_link_stat(struct tipc_nl_compat_msg *msg, | |
506 | struct nlattr *prop[], struct nlattr *stats[]) | |
507 | { | |
508 | tipc_tlv_sprintf(msg->rep, " Window:%u packets\n", | |
509 | nla_get_u32(prop[TIPC_NLA_PROP_WIN])); | |
510 | ||
511 | tipc_tlv_sprintf(msg->rep, | |
512 | " RX packets:%u fragments:%u/%u bundles:%u/%u\n", | |
513 | nla_get_u32(stats[TIPC_NLA_STATS_RX_INFO]), | |
514 | nla_get_u32(stats[TIPC_NLA_STATS_RX_FRAGMENTS]), | |
515 | nla_get_u32(stats[TIPC_NLA_STATS_RX_FRAGMENTED]), | |
516 | nla_get_u32(stats[TIPC_NLA_STATS_RX_BUNDLES]), | |
517 | nla_get_u32(stats[TIPC_NLA_STATS_RX_BUNDLED])); | |
518 | ||
519 | tipc_tlv_sprintf(msg->rep, | |
520 | " TX packets:%u fragments:%u/%u bundles:%u/%u\n", | |
521 | nla_get_u32(stats[TIPC_NLA_STATS_TX_INFO]), | |
522 | nla_get_u32(stats[TIPC_NLA_STATS_TX_FRAGMENTS]), | |
523 | nla_get_u32(stats[TIPC_NLA_STATS_TX_FRAGMENTED]), | |
524 | nla_get_u32(stats[TIPC_NLA_STATS_TX_BUNDLES]), | |
525 | nla_get_u32(stats[TIPC_NLA_STATS_TX_BUNDLED])); | |
526 | ||
527 | tipc_tlv_sprintf(msg->rep, " RX naks:%u defs:%u dups:%u\n", | |
528 | nla_get_u32(stats[TIPC_NLA_STATS_RX_NACKS]), | |
529 | nla_get_u32(stats[TIPC_NLA_STATS_RX_DEFERRED]), | |
530 | nla_get_u32(stats[TIPC_NLA_STATS_DUPLICATES])); | |
531 | ||
532 | tipc_tlv_sprintf(msg->rep, " TX naks:%u acks:%u dups:%u\n", | |
533 | nla_get_u32(stats[TIPC_NLA_STATS_TX_NACKS]), | |
534 | nla_get_u32(stats[TIPC_NLA_STATS_TX_ACKS]), | |
535 | nla_get_u32(stats[TIPC_NLA_STATS_RETRANSMITTED])); | |
536 | ||
537 | tipc_tlv_sprintf(msg->rep, | |
538 | " Congestion link:%u Send queue max:%u avg:%u", | |
539 | nla_get_u32(stats[TIPC_NLA_STATS_LINK_CONGS]), | |
540 | nla_get_u32(stats[TIPC_NLA_STATS_MAX_QUEUE]), | |
541 | nla_get_u32(stats[TIPC_NLA_STATS_AVG_QUEUE])); | |
542 | } | |
543 | ||
544 | static int tipc_nl_compat_link_stat_dump(struct tipc_nl_compat_msg *msg, | |
545 | struct nlattr **attrs) | |
546 | { | |
547 | char *name; | |
548 | struct nlattr *link[TIPC_NLA_LINK_MAX + 1]; | |
549 | struct nlattr *prop[TIPC_NLA_PROP_MAX + 1]; | |
550 | struct nlattr *stats[TIPC_NLA_STATS_MAX + 1]; | |
297f7d2c | 551 | int err; |
0762216c | 552 | int len; |
f2b3b2d4 | 553 | |
297f7d2c BD |
554 | if (!attrs[TIPC_NLA_LINK]) |
555 | return -EINVAL; | |
f2b3b2d4 | 556 | |
8cb08174 JB |
557 | err = nla_parse_nested_deprecated(link, TIPC_NLA_LINK_MAX, |
558 | attrs[TIPC_NLA_LINK], NULL, NULL); | |
297f7d2c BD |
559 | if (err) |
560 | return err; | |
561 | ||
562 | if (!link[TIPC_NLA_LINK_PROP]) | |
563 | return -EINVAL; | |
f2b3b2d4 | 564 | |
8cb08174 JB |
565 | err = nla_parse_nested_deprecated(prop, TIPC_NLA_PROP_MAX, |
566 | link[TIPC_NLA_LINK_PROP], NULL, | |
567 | NULL); | |
297f7d2c BD |
568 | if (err) |
569 | return err; | |
570 | ||
571 | if (!link[TIPC_NLA_LINK_STATS]) | |
572 | return -EINVAL; | |
573 | ||
8cb08174 JB |
574 | err = nla_parse_nested_deprecated(stats, TIPC_NLA_STATS_MAX, |
575 | link[TIPC_NLA_LINK_STATS], NULL, | |
576 | NULL); | |
297f7d2c BD |
577 | if (err) |
578 | return err; | |
f2b3b2d4 RA |
579 | |
580 | name = (char *)TLV_DATA(msg->req); | |
0762216c | 581 | |
4f07b80c XL |
582 | len = TLV_GET_DATA_LEN(msg->req); |
583 | if (len <= 0) | |
584 | return -EINVAL; | |
585 | ||
fd567ac2 | 586 | len = min_t(int, len, TIPC_MAX_LINK_NAME); |
0762216c YX |
587 | if (!string_is_valid(name, len)) |
588 | return -EINVAL; | |
589 | ||
f2b3b2d4 RA |
590 | if (strcmp(name, nla_data(link[TIPC_NLA_LINK_NAME])) != 0) |
591 | return 0; | |
592 | ||
593 | tipc_tlv_sprintf(msg->rep, "\nLink <%s>\n", | |
b3b7e64b | 594 | (char *)nla_data(link[TIPC_NLA_LINK_NAME])); |
f2b3b2d4 RA |
595 | |
596 | if (link[TIPC_NLA_LINK_BROADCAST]) { | |
597 | __fill_bc_link_stat(msg, prop, stats); | |
598 | return 0; | |
599 | } | |
600 | ||
601 | if (link[TIPC_NLA_LINK_ACTIVE]) | |
602 | tipc_tlv_sprintf(msg->rep, " ACTIVE"); | |
603 | else if (link[TIPC_NLA_LINK_UP]) | |
604 | tipc_tlv_sprintf(msg->rep, " STANDBY"); | |
605 | else | |
606 | tipc_tlv_sprintf(msg->rep, " DEFUNCT"); | |
607 | ||
608 | tipc_tlv_sprintf(msg->rep, " MTU:%u Priority:%u", | |
609 | nla_get_u32(link[TIPC_NLA_LINK_MTU]), | |
610 | nla_get_u32(prop[TIPC_NLA_PROP_PRIO])); | |
611 | ||
612 | tipc_tlv_sprintf(msg->rep, " Tolerance:%u ms Window:%u packets\n", | |
613 | nla_get_u32(prop[TIPC_NLA_PROP_TOL]), | |
614 | nla_get_u32(prop[TIPC_NLA_PROP_WIN])); | |
615 | ||
616 | tipc_tlv_sprintf(msg->rep, | |
617 | " RX packets:%u fragments:%u/%u bundles:%u/%u\n", | |
618 | nla_get_u32(link[TIPC_NLA_LINK_RX]) - | |
619 | nla_get_u32(stats[TIPC_NLA_STATS_RX_INFO]), | |
620 | nla_get_u32(stats[TIPC_NLA_STATS_RX_FRAGMENTS]), | |
621 | nla_get_u32(stats[TIPC_NLA_STATS_RX_FRAGMENTED]), | |
622 | nla_get_u32(stats[TIPC_NLA_STATS_RX_BUNDLES]), | |
623 | nla_get_u32(stats[TIPC_NLA_STATS_RX_BUNDLED])); | |
624 | ||
625 | tipc_tlv_sprintf(msg->rep, | |
626 | " TX packets:%u fragments:%u/%u bundles:%u/%u\n", | |
627 | nla_get_u32(link[TIPC_NLA_LINK_TX]) - | |
628 | nla_get_u32(stats[TIPC_NLA_STATS_TX_INFO]), | |
629 | nla_get_u32(stats[TIPC_NLA_STATS_TX_FRAGMENTS]), | |
630 | nla_get_u32(stats[TIPC_NLA_STATS_TX_FRAGMENTED]), | |
631 | nla_get_u32(stats[TIPC_NLA_STATS_TX_BUNDLES]), | |
632 | nla_get_u32(stats[TIPC_NLA_STATS_TX_BUNDLED])); | |
633 | ||
634 | tipc_tlv_sprintf(msg->rep, | |
635 | " TX profile sample:%u packets average:%u octets\n", | |
636 | nla_get_u32(stats[TIPC_NLA_STATS_MSG_LEN_CNT]), | |
637 | nla_get_u32(stats[TIPC_NLA_STATS_MSG_LEN_TOT]) / | |
638 | nla_get_u32(stats[TIPC_NLA_STATS_MSG_PROF_TOT])); | |
639 | ||
640 | tipc_tlv_sprintf(msg->rep, | |
641 | " 0-64:%u%% -256:%u%% -1024:%u%% -4096:%u%% ", | |
642 | perc(nla_get_u32(stats[TIPC_NLA_STATS_MSG_LEN_P0]), | |
643 | nla_get_u32(stats[TIPC_NLA_STATS_MSG_PROF_TOT])), | |
644 | perc(nla_get_u32(stats[TIPC_NLA_STATS_MSG_LEN_P1]), | |
645 | nla_get_u32(stats[TIPC_NLA_STATS_MSG_PROF_TOT])), | |
646 | perc(nla_get_u32(stats[TIPC_NLA_STATS_MSG_LEN_P2]), | |
647 | nla_get_u32(stats[TIPC_NLA_STATS_MSG_PROF_TOT])), | |
648 | perc(nla_get_u32(stats[TIPC_NLA_STATS_MSG_LEN_P3]), | |
649 | nla_get_u32(stats[TIPC_NLA_STATS_MSG_PROF_TOT]))); | |
650 | ||
651 | tipc_tlv_sprintf(msg->rep, "-16384:%u%% -32768:%u%% -66000:%u%%\n", | |
652 | perc(nla_get_u32(stats[TIPC_NLA_STATS_MSG_LEN_P4]), | |
653 | nla_get_u32(stats[TIPC_NLA_STATS_MSG_PROF_TOT])), | |
654 | perc(nla_get_u32(stats[TIPC_NLA_STATS_MSG_LEN_P5]), | |
655 | nla_get_u32(stats[TIPC_NLA_STATS_MSG_PROF_TOT])), | |
656 | perc(nla_get_u32(stats[TIPC_NLA_STATS_MSG_LEN_P6]), | |
657 | nla_get_u32(stats[TIPC_NLA_STATS_MSG_PROF_TOT]))); | |
658 | ||
659 | tipc_tlv_sprintf(msg->rep, | |
660 | " RX states:%u probes:%u naks:%u defs:%u dups:%u\n", | |
661 | nla_get_u32(stats[TIPC_NLA_STATS_RX_STATES]), | |
662 | nla_get_u32(stats[TIPC_NLA_STATS_RX_PROBES]), | |
663 | nla_get_u32(stats[TIPC_NLA_STATS_RX_NACKS]), | |
664 | nla_get_u32(stats[TIPC_NLA_STATS_RX_DEFERRED]), | |
665 | nla_get_u32(stats[TIPC_NLA_STATS_DUPLICATES])); | |
666 | ||
667 | tipc_tlv_sprintf(msg->rep, | |
668 | " TX states:%u probes:%u naks:%u acks:%u dups:%u\n", | |
669 | nla_get_u32(stats[TIPC_NLA_STATS_TX_STATES]), | |
670 | nla_get_u32(stats[TIPC_NLA_STATS_TX_PROBES]), | |
671 | nla_get_u32(stats[TIPC_NLA_STATS_TX_NACKS]), | |
672 | nla_get_u32(stats[TIPC_NLA_STATS_TX_ACKS]), | |
673 | nla_get_u32(stats[TIPC_NLA_STATS_RETRANSMITTED])); | |
674 | ||
675 | tipc_tlv_sprintf(msg->rep, | |
676 | " Congestion link:%u Send queue max:%u avg:%u", | |
677 | nla_get_u32(stats[TIPC_NLA_STATS_LINK_CONGS]), | |
678 | nla_get_u32(stats[TIPC_NLA_STATS_MAX_QUEUE]), | |
679 | nla_get_u32(stats[TIPC_NLA_STATS_AVG_QUEUE])); | |
680 | ||
681 | return 0; | |
682 | } | |
683 | ||
357ebdbf RA |
684 | static int tipc_nl_compat_link_dump(struct tipc_nl_compat_msg *msg, |
685 | struct nlattr **attrs) | |
686 | { | |
687 | struct nlattr *link[TIPC_NLA_LINK_MAX + 1]; | |
688 | struct tipc_link_info link_info; | |
297f7d2c | 689 | int err; |
357ebdbf | 690 | |
297f7d2c BD |
691 | if (!attrs[TIPC_NLA_LINK]) |
692 | return -EINVAL; | |
693 | ||
8cb08174 JB |
694 | err = nla_parse_nested_deprecated(link, TIPC_NLA_LINK_MAX, |
695 | attrs[TIPC_NLA_LINK], NULL, NULL); | |
297f7d2c BD |
696 | if (err) |
697 | return err; | |
357ebdbf | 698 | |
1980d375 | 699 | link_info.dest = htonl(nla_get_flag(link[TIPC_NLA_LINK_DEST])); |
357ebdbf | 700 | link_info.up = htonl(nla_get_flag(link[TIPC_NLA_LINK_UP])); |
872f6903 | 701 | nla_strscpy(link_info.str, link[TIPC_NLA_LINK_NAME], |
5d2be142 | 702 | TIPC_MAX_LINK_NAME); |
357ebdbf RA |
703 | |
704 | return tipc_add_tlv(msg->rep, TIPC_TLV_LINK_INFO, | |
705 | &link_info, sizeof(link_info)); | |
706 | } | |
707 | ||
c3d6fb85 RA |
708 | static int __tipc_add_link_prop(struct sk_buff *skb, |
709 | struct tipc_nl_compat_msg *msg, | |
710 | struct tipc_link_config *lc) | |
711 | { | |
712 | switch (msg->cmd) { | |
713 | case TIPC_CMD_SET_LINK_PRI: | |
714 | return nla_put_u32(skb, TIPC_NLA_PROP_PRIO, ntohl(lc->value)); | |
715 | case TIPC_CMD_SET_LINK_TOL: | |
716 | return nla_put_u32(skb, TIPC_NLA_PROP_TOL, ntohl(lc->value)); | |
717 | case TIPC_CMD_SET_LINK_WINDOW: | |
718 | return nla_put_u32(skb, TIPC_NLA_PROP_WIN, ntohl(lc->value)); | |
719 | } | |
720 | ||
721 | return -EINVAL; | |
722 | } | |
723 | ||
724 | static int tipc_nl_compat_media_set(struct sk_buff *skb, | |
725 | struct tipc_nl_compat_msg *msg) | |
37e2d484 | 726 | { |
37e2d484 | 727 | struct nlattr *prop; |
c3d6fb85 RA |
728 | struct nlattr *media; |
729 | struct tipc_link_config *lc; | |
730 | ||
731 | lc = (struct tipc_link_config *)TLV_DATA(msg->req); | |
732 | ||
ae0be8de | 733 | media = nla_nest_start_noflag(skb, TIPC_NLA_MEDIA); |
c3d6fb85 RA |
734 | if (!media) |
735 | return -EMSGSIZE; | |
736 | ||
737 | if (nla_put_string(skb, TIPC_NLA_MEDIA_NAME, lc->name)) | |
738 | return -EMSGSIZE; | |
739 | ||
ae0be8de | 740 | prop = nla_nest_start_noflag(skb, TIPC_NLA_MEDIA_PROP); |
c3d6fb85 RA |
741 | if (!prop) |
742 | return -EMSGSIZE; | |
743 | ||
744 | __tipc_add_link_prop(skb, msg, lc); | |
745 | nla_nest_end(skb, prop); | |
746 | nla_nest_end(skb, media); | |
747 | ||
748 | return 0; | |
749 | } | |
750 | ||
751 | static int tipc_nl_compat_bearer_set(struct sk_buff *skb, | |
752 | struct tipc_nl_compat_msg *msg) | |
753 | { | |
754 | struct nlattr *prop; | |
755 | struct nlattr *bearer; | |
756 | struct tipc_link_config *lc; | |
757 | ||
758 | lc = (struct tipc_link_config *)TLV_DATA(msg->req); | |
759 | ||
ae0be8de | 760 | bearer = nla_nest_start_noflag(skb, TIPC_NLA_BEARER); |
c3d6fb85 RA |
761 | if (!bearer) |
762 | return -EMSGSIZE; | |
763 | ||
764 | if (nla_put_string(skb, TIPC_NLA_BEARER_NAME, lc->name)) | |
765 | return -EMSGSIZE; | |
766 | ||
ae0be8de | 767 | prop = nla_nest_start_noflag(skb, TIPC_NLA_BEARER_PROP); |
c3d6fb85 RA |
768 | if (!prop) |
769 | return -EMSGSIZE; | |
770 | ||
771 | __tipc_add_link_prop(skb, msg, lc); | |
772 | nla_nest_end(skb, prop); | |
773 | nla_nest_end(skb, bearer); | |
774 | ||
775 | return 0; | |
776 | } | |
777 | ||
778 | static int __tipc_nl_compat_link_set(struct sk_buff *skb, | |
779 | struct tipc_nl_compat_msg *msg) | |
780 | { | |
781 | struct nlattr *prop; | |
782 | struct nlattr *link; | |
37e2d484 RA |
783 | struct tipc_link_config *lc; |
784 | ||
785 | lc = (struct tipc_link_config *)TLV_DATA(msg->req); | |
786 | ||
ae0be8de | 787 | link = nla_nest_start_noflag(skb, TIPC_NLA_LINK); |
37e2d484 RA |
788 | if (!link) |
789 | return -EMSGSIZE; | |
790 | ||
791 | if (nla_put_string(skb, TIPC_NLA_LINK_NAME, lc->name)) | |
792 | return -EMSGSIZE; | |
793 | ||
ae0be8de | 794 | prop = nla_nest_start_noflag(skb, TIPC_NLA_LINK_PROP); |
37e2d484 RA |
795 | if (!prop) |
796 | return -EMSGSIZE; | |
797 | ||
c3d6fb85 | 798 | __tipc_add_link_prop(skb, msg, lc); |
37e2d484 RA |
799 | nla_nest_end(skb, prop); |
800 | nla_nest_end(skb, link); | |
801 | ||
802 | return 0; | |
803 | } | |
804 | ||
c3d6fb85 RA |
805 | static int tipc_nl_compat_link_set(struct tipc_nl_compat_cmd_doit *cmd, |
806 | struct sk_buff *skb, | |
807 | struct tipc_nl_compat_msg *msg) | |
808 | { | |
809 | struct tipc_link_config *lc; | |
810 | struct tipc_bearer *bearer; | |
811 | struct tipc_media *media; | |
edf5ff04 | 812 | int len; |
c3d6fb85 RA |
813 | |
814 | lc = (struct tipc_link_config *)TLV_DATA(msg->req); | |
815 | ||
8c63bf9a XL |
816 | len = TLV_GET_DATA_LEN(msg->req); |
817 | len -= offsetof(struct tipc_link_config, name); | |
818 | if (len <= 0) | |
819 | return -EINVAL; | |
820 | ||
821 | len = min_t(int, len, TIPC_MAX_LINK_NAME); | |
edf5ff04 YX |
822 | if (!string_is_valid(lc->name, len)) |
823 | return -EINVAL; | |
824 | ||
c3d6fb85 RA |
825 | media = tipc_media_find(lc->name); |
826 | if (media) { | |
ed4ffdfe | 827 | cmd->doit = &__tipc_nl_media_set; |
c3d6fb85 RA |
828 | return tipc_nl_compat_media_set(skb, msg); |
829 | } | |
830 | ||
831 | bearer = tipc_bearer_find(msg->net, lc->name); | |
832 | if (bearer) { | |
ed4ffdfe | 833 | cmd->doit = &__tipc_nl_bearer_set; |
c3d6fb85 RA |
834 | return tipc_nl_compat_bearer_set(skb, msg); |
835 | } | |
836 | ||
837 | return __tipc_nl_compat_link_set(skb, msg); | |
838 | } | |
839 | ||
840 | static int tipc_nl_compat_link_reset_stats(struct tipc_nl_compat_cmd_doit *cmd, | |
841 | struct sk_buff *skb, | |
1817877b RA |
842 | struct tipc_nl_compat_msg *msg) |
843 | { | |
844 | char *name; | |
845 | struct nlattr *link; | |
8b66fee7 | 846 | int len; |
1817877b RA |
847 | |
848 | name = (char *)TLV_DATA(msg->req); | |
849 | ||
ae0be8de | 850 | link = nla_nest_start_noflag(skb, TIPC_NLA_LINK); |
1817877b RA |
851 | if (!link) |
852 | return -EMSGSIZE; | |
853 | ||
4f07b80c XL |
854 | len = TLV_GET_DATA_LEN(msg->req); |
855 | if (len <= 0) | |
856 | return -EINVAL; | |
857 | ||
fd567ac2 | 858 | len = min_t(int, len, TIPC_MAX_LINK_NAME); |
8b66fee7 YX |
859 | if (!string_is_valid(name, len)) |
860 | return -EINVAL; | |
861 | ||
1817877b RA |
862 | if (nla_put_string(skb, TIPC_NLA_LINK_NAME, name)) |
863 | return -EMSGSIZE; | |
864 | ||
865 | nla_nest_end(skb, link); | |
866 | ||
867 | return 0; | |
868 | } | |
869 | ||
44a8ae94 RA |
870 | static int tipc_nl_compat_name_table_dump_header(struct tipc_nl_compat_msg *msg) |
871 | { | |
872 | int i; | |
873 | u32 depth; | |
874 | struct tipc_name_table_query *ntq; | |
875 | static const char * const header[] = { | |
876 | "Type ", | |
877 | "Lower Upper ", | |
878 | "Port Identity ", | |
879 | "Publication Scope" | |
880 | }; | |
881 | ||
882 | ntq = (struct tipc_name_table_query *)TLV_DATA(msg->req); | |
974cb0e3 YX |
883 | if (TLV_GET_DATA_LEN(msg->req) < sizeof(struct tipc_name_table_query)) |
884 | return -EINVAL; | |
44a8ae94 RA |
885 | |
886 | depth = ntohl(ntq->depth); | |
887 | ||
888 | if (depth > 4) | |
889 | depth = 4; | |
890 | for (i = 0; i < depth; i++) | |
891 | tipc_tlv_sprintf(msg->rep, header[i]); | |
892 | tipc_tlv_sprintf(msg->rep, "\n"); | |
893 | ||
894 | return 0; | |
895 | } | |
896 | ||
897 | static int tipc_nl_compat_name_table_dump(struct tipc_nl_compat_msg *msg, | |
898 | struct nlattr **attrs) | |
899 | { | |
900 | char port_str[27]; | |
901 | struct tipc_name_table_query *ntq; | |
902 | struct nlattr *nt[TIPC_NLA_NAME_TABLE_MAX + 1]; | |
903 | struct nlattr *publ[TIPC_NLA_PUBL_MAX + 1]; | |
904 | u32 node, depth, type, lowbound, upbound; | |
905 | static const char * const scope_str[] = {"", " zone", " cluster", | |
906 | " node"}; | |
297f7d2c | 907 | int err; |
44a8ae94 | 908 | |
297f7d2c BD |
909 | if (!attrs[TIPC_NLA_NAME_TABLE]) |
910 | return -EINVAL; | |
44a8ae94 | 911 | |
8cb08174 JB |
912 | err = nla_parse_nested_deprecated(nt, TIPC_NLA_NAME_TABLE_MAX, |
913 | attrs[TIPC_NLA_NAME_TABLE], NULL, | |
914 | NULL); | |
297f7d2c BD |
915 | if (err) |
916 | return err; | |
917 | ||
918 | if (!nt[TIPC_NLA_NAME_TABLE_PUBL]) | |
919 | return -EINVAL; | |
920 | ||
8cb08174 JB |
921 | err = nla_parse_nested_deprecated(publ, TIPC_NLA_PUBL_MAX, |
922 | nt[TIPC_NLA_NAME_TABLE_PUBL], NULL, | |
923 | NULL); | |
297f7d2c BD |
924 | if (err) |
925 | return err; | |
44a8ae94 RA |
926 | |
927 | ntq = (struct tipc_name_table_query *)TLV_DATA(msg->req); | |
928 | ||
929 | depth = ntohl(ntq->depth); | |
930 | type = ntohl(ntq->type); | |
931 | lowbound = ntohl(ntq->lowbound); | |
932 | upbound = ntohl(ntq->upbound); | |
933 | ||
934 | if (!(depth & TIPC_NTQ_ALLTYPES) && | |
935 | (type != nla_get_u32(publ[TIPC_NLA_PUBL_TYPE]))) | |
936 | return 0; | |
937 | if (lowbound && (lowbound > nla_get_u32(publ[TIPC_NLA_PUBL_UPPER]))) | |
938 | return 0; | |
939 | if (upbound && (upbound < nla_get_u32(publ[TIPC_NLA_PUBL_LOWER]))) | |
940 | return 0; | |
941 | ||
942 | tipc_tlv_sprintf(msg->rep, "%-10u ", | |
943 | nla_get_u32(publ[TIPC_NLA_PUBL_TYPE])); | |
944 | ||
945 | if (depth == 1) | |
946 | goto out; | |
947 | ||
948 | tipc_tlv_sprintf(msg->rep, "%-10u %-10u ", | |
949 | nla_get_u32(publ[TIPC_NLA_PUBL_LOWER]), | |
950 | nla_get_u32(publ[TIPC_NLA_PUBL_UPPER])); | |
951 | ||
952 | if (depth == 2) | |
953 | goto out; | |
954 | ||
955 | node = nla_get_u32(publ[TIPC_NLA_PUBL_NODE]); | |
956 | sprintf(port_str, "<%u.%u.%u:%u>", tipc_zone(node), tipc_cluster(node), | |
957 | tipc_node(node), nla_get_u32(publ[TIPC_NLA_PUBL_REF])); | |
958 | tipc_tlv_sprintf(msg->rep, "%-26s ", port_str); | |
959 | ||
960 | if (depth == 3) | |
961 | goto out; | |
962 | ||
963 | tipc_tlv_sprintf(msg->rep, "%-10u %s", | |
03aaaa9b | 964 | nla_get_u32(publ[TIPC_NLA_PUBL_KEY]), |
44a8ae94 RA |
965 | scope_str[nla_get_u32(publ[TIPC_NLA_PUBL_SCOPE])]); |
966 | out: | |
967 | tipc_tlv_sprintf(msg->rep, "\n"); | |
968 | ||
969 | return 0; | |
970 | } | |
971 | ||
487d2a3a RA |
972 | static int __tipc_nl_compat_publ_dump(struct tipc_nl_compat_msg *msg, |
973 | struct nlattr **attrs) | |
974 | { | |
975 | u32 type, lower, upper; | |
976 | struct nlattr *publ[TIPC_NLA_PUBL_MAX + 1]; | |
297f7d2c | 977 | int err; |
487d2a3a | 978 | |
297f7d2c BD |
979 | if (!attrs[TIPC_NLA_PUBL]) |
980 | return -EINVAL; | |
981 | ||
8cb08174 JB |
982 | err = nla_parse_nested_deprecated(publ, TIPC_NLA_PUBL_MAX, |
983 | attrs[TIPC_NLA_PUBL], NULL, NULL); | |
297f7d2c BD |
984 | if (err) |
985 | return err; | |
487d2a3a RA |
986 | |
987 | type = nla_get_u32(publ[TIPC_NLA_PUBL_TYPE]); | |
988 | lower = nla_get_u32(publ[TIPC_NLA_PUBL_LOWER]); | |
989 | upper = nla_get_u32(publ[TIPC_NLA_PUBL_UPPER]); | |
990 | ||
991 | if (lower == upper) | |
992 | tipc_tlv_sprintf(msg->rep, " {%u,%u}", type, lower); | |
993 | else | |
994 | tipc_tlv_sprintf(msg->rep, " {%u,%u,%u}", type, lower, upper); | |
995 | ||
996 | return 0; | |
997 | } | |
998 | ||
999 | static int tipc_nl_compat_publ_dump(struct tipc_nl_compat_msg *msg, u32 sock) | |
1000 | { | |
1001 | int err; | |
1002 | void *hdr; | |
1003 | struct nlattr *nest; | |
1004 | struct sk_buff *args; | |
1005 | struct tipc_nl_compat_cmd_dump dump; | |
1006 | ||
1007 | args = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); | |
1008 | if (!args) | |
1009 | return -ENOMEM; | |
1010 | ||
1011 | hdr = genlmsg_put(args, 0, 0, &tipc_genl_family, NLM_F_MULTI, | |
1012 | TIPC_NL_PUBL_GET); | |
f87d8ad9 GS |
1013 | if (!hdr) { |
1014 | kfree_skb(args); | |
46273cf7 | 1015 | return -EMSGSIZE; |
f87d8ad9 | 1016 | } |
487d2a3a | 1017 | |
ae0be8de | 1018 | nest = nla_nest_start_noflag(args, TIPC_NLA_SOCK); |
487d2a3a RA |
1019 | if (!nest) { |
1020 | kfree_skb(args); | |
1021 | return -EMSGSIZE; | |
1022 | } | |
1023 | ||
1024 | if (nla_put_u32(args, TIPC_NLA_SOCK_REF, sock)) { | |
1025 | kfree_skb(args); | |
1026 | return -EMSGSIZE; | |
1027 | } | |
1028 | ||
1029 | nla_nest_end(args, nest); | |
1030 | genlmsg_end(args, hdr); | |
1031 | ||
1032 | dump.dumpit = tipc_nl_publ_dump; | |
1033 | dump.format = __tipc_nl_compat_publ_dump; | |
1034 | ||
1035 | err = __tipc_nl_compat_dumpit(&dump, msg, args); | |
1036 | ||
1037 | kfree_skb(args); | |
1038 | ||
1039 | return err; | |
1040 | } | |
1041 | ||
1042 | static int tipc_nl_compat_sk_dump(struct tipc_nl_compat_msg *msg, | |
1043 | struct nlattr **attrs) | |
1044 | { | |
1045 | int err; | |
1046 | u32 sock_ref; | |
1047 | struct nlattr *sock[TIPC_NLA_SOCK_MAX + 1]; | |
1048 | ||
297f7d2c BD |
1049 | if (!attrs[TIPC_NLA_SOCK]) |
1050 | return -EINVAL; | |
1051 | ||
8cb08174 JB |
1052 | err = nla_parse_nested_deprecated(sock, TIPC_NLA_SOCK_MAX, |
1053 | attrs[TIPC_NLA_SOCK], NULL, NULL); | |
297f7d2c BD |
1054 | if (err) |
1055 | return err; | |
487d2a3a RA |
1056 | |
1057 | sock_ref = nla_get_u32(sock[TIPC_NLA_SOCK_REF]); | |
1058 | tipc_tlv_sprintf(msg->rep, "%u:", sock_ref); | |
1059 | ||
1060 | if (sock[TIPC_NLA_SOCK_CON]) { | |
1061 | u32 node; | |
1062 | struct nlattr *con[TIPC_NLA_CON_MAX + 1]; | |
1063 | ||
8cb08174 JB |
1064 | err = nla_parse_nested_deprecated(con, TIPC_NLA_CON_MAX, |
1065 | sock[TIPC_NLA_SOCK_CON], | |
1066 | NULL, NULL); | |
89dfd008 AP |
1067 | |
1068 | if (err) | |
1069 | return err; | |
487d2a3a RA |
1070 | |
1071 | node = nla_get_u32(con[TIPC_NLA_CON_NODE]); | |
1072 | tipc_tlv_sprintf(msg->rep, " connected to <%u.%u.%u:%u>", | |
1073 | tipc_zone(node), | |
1074 | tipc_cluster(node), | |
1075 | tipc_node(node), | |
1076 | nla_get_u32(con[TIPC_NLA_CON_SOCK])); | |
1077 | ||
1078 | if (con[TIPC_NLA_CON_FLAG]) | |
1079 | tipc_tlv_sprintf(msg->rep, " via {%u,%u}\n", | |
1080 | nla_get_u32(con[TIPC_NLA_CON_TYPE]), | |
1081 | nla_get_u32(con[TIPC_NLA_CON_INST])); | |
1082 | else | |
1083 | tipc_tlv_sprintf(msg->rep, "\n"); | |
1084 | } else if (sock[TIPC_NLA_SOCK_HAS_PUBL]) { | |
1085 | tipc_tlv_sprintf(msg->rep, " bound to"); | |
1086 | ||
1087 | err = tipc_nl_compat_publ_dump(msg, sock_ref); | |
1088 | if (err) | |
1089 | return err; | |
1090 | } | |
1091 | tipc_tlv_sprintf(msg->rep, "\n"); | |
1092 | ||
1093 | return 0; | |
1094 | } | |
1095 | ||
5bfc335a RA |
1096 | static int tipc_nl_compat_media_dump(struct tipc_nl_compat_msg *msg, |
1097 | struct nlattr **attrs) | |
1098 | { | |
1099 | struct nlattr *media[TIPC_NLA_MEDIA_MAX + 1]; | |
297f7d2c BD |
1100 | int err; |
1101 | ||
1102 | if (!attrs[TIPC_NLA_MEDIA]) | |
1103 | return -EINVAL; | |
5bfc335a | 1104 | |
8cb08174 JB |
1105 | err = nla_parse_nested_deprecated(media, TIPC_NLA_MEDIA_MAX, |
1106 | attrs[TIPC_NLA_MEDIA], NULL, NULL); | |
297f7d2c BD |
1107 | if (err) |
1108 | return err; | |
5bfc335a RA |
1109 | |
1110 | return tipc_add_tlv(msg->rep, TIPC_TLV_MEDIA_NAME, | |
1111 | nla_data(media[TIPC_NLA_MEDIA_NAME]), | |
1112 | nla_len(media[TIPC_NLA_MEDIA_NAME])); | |
1113 | } | |
1114 | ||
4b28cb58 RA |
1115 | static int tipc_nl_compat_node_dump(struct tipc_nl_compat_msg *msg, |
1116 | struct nlattr **attrs) | |
1117 | { | |
1118 | struct tipc_node_info node_info; | |
1119 | struct nlattr *node[TIPC_NLA_NODE_MAX + 1]; | |
297f7d2c | 1120 | int err; |
4b28cb58 | 1121 | |
297f7d2c BD |
1122 | if (!attrs[TIPC_NLA_NODE]) |
1123 | return -EINVAL; | |
1124 | ||
8cb08174 JB |
1125 | err = nla_parse_nested_deprecated(node, TIPC_NLA_NODE_MAX, |
1126 | attrs[TIPC_NLA_NODE], NULL, NULL); | |
297f7d2c BD |
1127 | if (err) |
1128 | return err; | |
4b28cb58 RA |
1129 | |
1130 | node_info.addr = htonl(nla_get_u32(node[TIPC_NLA_NODE_ADDR])); | |
1131 | node_info.up = htonl(nla_get_flag(node[TIPC_NLA_NODE_UP])); | |
1132 | ||
1133 | return tipc_add_tlv(msg->rep, TIPC_TLV_NODE_INFO, &node_info, | |
1134 | sizeof(node_info)); | |
1135 | } | |
1136 | ||
c3d6fb85 RA |
1137 | static int tipc_nl_compat_net_set(struct tipc_nl_compat_cmd_doit *cmd, |
1138 | struct sk_buff *skb, | |
d7cc75d3 RA |
1139 | struct tipc_nl_compat_msg *msg) |
1140 | { | |
1141 | u32 val; | |
1142 | struct nlattr *net; | |
1143 | ||
1144 | val = ntohl(*(__be32 *)TLV_DATA(msg->req)); | |
1145 | ||
ae0be8de | 1146 | net = nla_nest_start_noflag(skb, TIPC_NLA_NET); |
d7cc75d3 RA |
1147 | if (!net) |
1148 | return -EMSGSIZE; | |
1149 | ||
964f9501 RA |
1150 | if (msg->cmd == TIPC_CMD_SET_NODE_ADDR) { |
1151 | if (nla_put_u32(skb, TIPC_NLA_NET_ADDR, val)) | |
1152 | return -EMSGSIZE; | |
1153 | } else if (msg->cmd == TIPC_CMD_SET_NETID) { | |
1154 | if (nla_put_u32(skb, TIPC_NLA_NET_ID, val)) | |
1155 | return -EMSGSIZE; | |
1156 | } | |
d7cc75d3 RA |
1157 | nla_nest_end(skb, net); |
1158 | ||
1159 | return 0; | |
1160 | } | |
1161 | ||
3c26181c RA |
1162 | static int tipc_nl_compat_net_dump(struct tipc_nl_compat_msg *msg, |
1163 | struct nlattr **attrs) | |
1164 | { | |
1165 | __be32 id; | |
1166 | struct nlattr *net[TIPC_NLA_NET_MAX + 1]; | |
297f7d2c BD |
1167 | int err; |
1168 | ||
1169 | if (!attrs[TIPC_NLA_NET]) | |
1170 | return -EINVAL; | |
1171 | ||
8cb08174 JB |
1172 | err = nla_parse_nested_deprecated(net, TIPC_NLA_NET_MAX, |
1173 | attrs[TIPC_NLA_NET], NULL, NULL); | |
297f7d2c BD |
1174 | if (err) |
1175 | return err; | |
3c26181c | 1176 | |
3c26181c RA |
1177 | id = htonl(nla_get_u32(net[TIPC_NLA_NET_ID])); |
1178 | ||
1179 | return tipc_add_tlv(msg->rep, TIPC_TLV_UNSIGNED, &id, sizeof(id)); | |
1180 | } | |
1181 | ||
5a81a637 RA |
1182 | static int tipc_cmd_show_stats_compat(struct tipc_nl_compat_msg *msg) |
1183 | { | |
1184 | msg->rep = tipc_tlv_alloc(ULTRA_STRING_MAX_LEN); | |
1185 | if (!msg->rep) | |
1186 | return -ENOMEM; | |
1187 | ||
1188 | tipc_tlv_init(msg->rep, TIPC_TLV_ULTRA_STRING); | |
1189 | tipc_tlv_sprintf(msg->rep, "TIPC version " TIPC_MOD_VER "\n"); | |
1190 | ||
1191 | return 0; | |
1192 | } | |
1193 | ||
d0796d1e RA |
1194 | static int tipc_nl_compat_handle(struct tipc_nl_compat_msg *msg) |
1195 | { | |
1196 | struct tipc_nl_compat_cmd_dump dump; | |
9ab15465 | 1197 | struct tipc_nl_compat_cmd_doit doit; |
d0796d1e RA |
1198 | |
1199 | memset(&dump, 0, sizeof(dump)); | |
9ab15465 | 1200 | memset(&doit, 0, sizeof(doit)); |
d0796d1e RA |
1201 | |
1202 | switch (msg->cmd) { | |
22ae7cff RA |
1203 | case TIPC_CMD_NOOP: |
1204 | msg->rep = tipc_tlv_alloc(0); | |
1205 | if (!msg->rep) | |
1206 | return -ENOMEM; | |
1207 | return 0; | |
d0796d1e RA |
1208 | case TIPC_CMD_GET_BEARER_NAMES: |
1209 | msg->rep_size = MAX_BEARERS * TLV_SPACE(TIPC_MAX_BEARER_NAME); | |
1210 | dump.dumpit = tipc_nl_bearer_dump; | |
1211 | dump.format = tipc_nl_compat_bearer_dump; | |
1212 | return tipc_nl_compat_dumpit(&dump, msg); | |
9ab15465 RA |
1213 | case TIPC_CMD_ENABLE_BEARER: |
1214 | msg->req_type = TIPC_TLV_BEARER_CONFIG; | |
ed4ffdfe | 1215 | doit.doit = __tipc_nl_bearer_enable; |
9ab15465 RA |
1216 | doit.transcode = tipc_nl_compat_bearer_enable; |
1217 | return tipc_nl_compat_doit(&doit, msg); | |
1218 | case TIPC_CMD_DISABLE_BEARER: | |
1219 | msg->req_type = TIPC_TLV_BEARER_NAME; | |
ed4ffdfe | 1220 | doit.doit = __tipc_nl_bearer_disable; |
9ab15465 RA |
1221 | doit.transcode = tipc_nl_compat_bearer_disable; |
1222 | return tipc_nl_compat_doit(&doit, msg); | |
f2b3b2d4 RA |
1223 | case TIPC_CMD_SHOW_LINK_STATS: |
1224 | msg->req_type = TIPC_TLV_LINK_NAME; | |
1225 | msg->rep_size = ULTRA_STRING_MAX_LEN; | |
1226 | msg->rep_type = TIPC_TLV_ULTRA_STRING; | |
38206d59 | 1227 | dump.dumpit = tipc_nl_node_dump_link; |
f2b3b2d4 RA |
1228 | dump.format = tipc_nl_compat_link_stat_dump; |
1229 | return tipc_nl_compat_dumpit(&dump, msg); | |
357ebdbf RA |
1230 | case TIPC_CMD_GET_LINKS: |
1231 | msg->req_type = TIPC_TLV_NET_ADDR; | |
1232 | msg->rep_size = ULTRA_STRING_MAX_LEN; | |
38206d59 | 1233 | dump.dumpit = tipc_nl_node_dump_link; |
357ebdbf RA |
1234 | dump.format = tipc_nl_compat_link_dump; |
1235 | return tipc_nl_compat_dumpit(&dump, msg); | |
37e2d484 RA |
1236 | case TIPC_CMD_SET_LINK_TOL: |
1237 | case TIPC_CMD_SET_LINK_PRI: | |
1238 | case TIPC_CMD_SET_LINK_WINDOW: | |
1239 | msg->req_type = TIPC_TLV_LINK_CONFIG; | |
5be9c086 | 1240 | doit.doit = tipc_nl_node_set_link; |
37e2d484 RA |
1241 | doit.transcode = tipc_nl_compat_link_set; |
1242 | return tipc_nl_compat_doit(&doit, msg); | |
1817877b RA |
1243 | case TIPC_CMD_RESET_LINK_STATS: |
1244 | msg->req_type = TIPC_TLV_LINK_NAME; | |
5be9c086 | 1245 | doit.doit = tipc_nl_node_reset_link_stats; |
1817877b RA |
1246 | doit.transcode = tipc_nl_compat_link_reset_stats; |
1247 | return tipc_nl_compat_doit(&doit, msg); | |
44a8ae94 RA |
1248 | case TIPC_CMD_SHOW_NAME_TABLE: |
1249 | msg->req_type = TIPC_TLV_NAME_TBL_QUERY; | |
1250 | msg->rep_size = ULTRA_STRING_MAX_LEN; | |
1251 | msg->rep_type = TIPC_TLV_ULTRA_STRING; | |
1252 | dump.header = tipc_nl_compat_name_table_dump_header; | |
1253 | dump.dumpit = tipc_nl_name_table_dump; | |
1254 | dump.format = tipc_nl_compat_name_table_dump; | |
1255 | return tipc_nl_compat_dumpit(&dump, msg); | |
487d2a3a RA |
1256 | case TIPC_CMD_SHOW_PORTS: |
1257 | msg->rep_size = ULTRA_STRING_MAX_LEN; | |
1258 | msg->rep_type = TIPC_TLV_ULTRA_STRING; | |
1259 | dump.dumpit = tipc_nl_sk_dump; | |
1260 | dump.format = tipc_nl_compat_sk_dump; | |
1261 | return tipc_nl_compat_dumpit(&dump, msg); | |
5bfc335a RA |
1262 | case TIPC_CMD_GET_MEDIA_NAMES: |
1263 | msg->rep_size = MAX_MEDIA * TLV_SPACE(TIPC_MAX_MEDIA_NAME); | |
1264 | dump.dumpit = tipc_nl_media_dump; | |
1265 | dump.format = tipc_nl_compat_media_dump; | |
1266 | return tipc_nl_compat_dumpit(&dump, msg); | |
4b28cb58 RA |
1267 | case TIPC_CMD_GET_NODES: |
1268 | msg->rep_size = ULTRA_STRING_MAX_LEN; | |
1269 | dump.dumpit = tipc_nl_node_dump; | |
1270 | dump.format = tipc_nl_compat_node_dump; | |
1271 | return tipc_nl_compat_dumpit(&dump, msg); | |
d7cc75d3 RA |
1272 | case TIPC_CMD_SET_NODE_ADDR: |
1273 | msg->req_type = TIPC_TLV_NET_ADDR; | |
ed4ffdfe | 1274 | doit.doit = __tipc_nl_net_set; |
d7cc75d3 RA |
1275 | doit.transcode = tipc_nl_compat_net_set; |
1276 | return tipc_nl_compat_doit(&doit, msg); | |
964f9501 RA |
1277 | case TIPC_CMD_SET_NETID: |
1278 | msg->req_type = TIPC_TLV_UNSIGNED; | |
ed4ffdfe | 1279 | doit.doit = __tipc_nl_net_set; |
964f9501 RA |
1280 | doit.transcode = tipc_nl_compat_net_set; |
1281 | return tipc_nl_compat_doit(&doit, msg); | |
3c26181c RA |
1282 | case TIPC_CMD_GET_NETID: |
1283 | msg->rep_size = sizeof(u32); | |
1284 | dump.dumpit = tipc_nl_net_dump; | |
1285 | dump.format = tipc_nl_compat_net_dump; | |
1286 | return tipc_nl_compat_dumpit(&dump, msg); | |
5a81a637 RA |
1287 | case TIPC_CMD_SHOW_STATS: |
1288 | return tipc_cmd_show_stats_compat(msg); | |
d0796d1e RA |
1289 | } |
1290 | ||
1291 | return -EOPNOTSUPP; | |
1292 | } | |
1293 | ||
1294 | static int tipc_nl_compat_recv(struct sk_buff *skb, struct genl_info *info) | |
1295 | { | |
1296 | int err; | |
1297 | int len; | |
1298 | struct tipc_nl_compat_msg msg; | |
1299 | struct nlmsghdr *req_nlh; | |
1300 | struct nlmsghdr *rep_nlh; | |
1301 | struct tipc_genlmsghdr *req_userhdr = info->userhdr; | |
d0796d1e RA |
1302 | |
1303 | memset(&msg, 0, sizeof(msg)); | |
1304 | ||
1305 | req_nlh = (struct nlmsghdr *)skb->data; | |
1306 | msg.req = nlmsg_data(req_nlh) + GENL_HDRLEN + TIPC_GENL_HDRLEN; | |
1307 | msg.cmd = req_userhdr->cmd; | |
c3d6fb85 | 1308 | msg.net = genl_info_net(info); |
619b1745 | 1309 | msg.dst_sk = skb->sk; |
d0796d1e RA |
1310 | |
1311 | if ((msg.cmd & 0xC000) && (!netlink_net_capable(skb, CAP_NET_ADMIN))) { | |
1312 | msg.rep = tipc_get_err_tlv(TIPC_CFG_NOT_NET_ADMIN); | |
1313 | err = -EACCES; | |
1314 | goto send; | |
1315 | } | |
1316 | ||
4da5f001 TK |
1317 | msg.req_size = nlmsg_attrlen(req_nlh, GENL_HDRLEN + TIPC_GENL_HDRLEN); |
1318 | if (msg.req_size && !TLV_OK(msg.req, msg.req_size)) { | |
d0796d1e RA |
1319 | msg.rep = tipc_get_err_tlv(TIPC_CFG_NOT_SUPPORTED); |
1320 | err = -EOPNOTSUPP; | |
1321 | goto send; | |
1322 | } | |
1323 | ||
1324 | err = tipc_nl_compat_handle(&msg); | |
b063bc5e | 1325 | if ((err == -EOPNOTSUPP) || (err == -EPERM)) |
d0796d1e RA |
1326 | msg.rep = tipc_get_err_tlv(TIPC_CFG_NOT_SUPPORTED); |
1327 | else if (err == -EINVAL) | |
1328 | msg.rep = tipc_get_err_tlv(TIPC_CFG_TLV_ERROR); | |
1329 | send: | |
1330 | if (!msg.rep) | |
1331 | return err; | |
1332 | ||
1333 | len = nlmsg_total_size(GENL_HDRLEN + TIPC_GENL_HDRLEN); | |
1334 | skb_push(msg.rep, len); | |
1335 | rep_nlh = nlmsg_hdr(msg.rep); | |
1336 | memcpy(rep_nlh, info->nlhdr, len); | |
1337 | rep_nlh->nlmsg_len = msg.rep->len; | |
c3d6fb85 | 1338 | genlmsg_unicast(msg.net, msg.rep, NETLINK_CB(skb).portid); |
d0796d1e RA |
1339 | |
1340 | return err; | |
1341 | } | |
1342 | ||
66a9b928 | 1343 | static const struct genl_small_ops tipc_genl_compat_ops[] = { |
489111e5 JB |
1344 | { |
1345 | .cmd = TIPC_GENL_CMD, | |
ef6243ac | 1346 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
489111e5 JB |
1347 | .doit = tipc_nl_compat_recv, |
1348 | }, | |
1349 | }; | |
1350 | ||
56989f6d | 1351 | static struct genl_family tipc_genl_compat_family __ro_after_init = { |
bfb3e5dd RA |
1352 | .name = TIPC_GENL_NAME, |
1353 | .version = TIPC_GENL_VERSION, | |
1354 | .hdrsize = TIPC_GENL_HDRLEN, | |
1355 | .maxattr = 0, | |
1356 | .netnsok = true, | |
489111e5 | 1357 | .module = THIS_MODULE, |
66a9b928 JK |
1358 | .small_ops = tipc_genl_compat_ops, |
1359 | .n_small_ops = ARRAY_SIZE(tipc_genl_compat_ops), | |
bfb3e5dd RA |
1360 | }; |
1361 | ||
56989f6d | 1362 | int __init tipc_netlink_compat_start(void) |
bfb3e5dd RA |
1363 | { |
1364 | int res; | |
1365 | ||
489111e5 | 1366 | res = genl_register_family(&tipc_genl_compat_family); |
bfb3e5dd RA |
1367 | if (res) { |
1368 | pr_err("Failed to register legacy compat interface\n"); | |
1369 | return res; | |
1370 | } | |
1371 | ||
1372 | return 0; | |
1373 | } | |
1374 | ||
1375 | void tipc_netlink_compat_stop(void) | |
1376 | { | |
1377 | genl_unregister_family(&tipc_genl_compat_family); | |
1378 | } |