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Commit | Line | Data |
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aba5acdf SH |
1 | /* |
2 | * ipneigh.c "ip neigh". | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU General Public License | |
6 | * as published by the Free Software Foundation; either version | |
7 | * 2 of the License, or (at your option) any later version. | |
8 | * | |
9 | * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru> | |
10 | * | |
aba5acdf SH |
11 | */ |
12 | ||
13 | #include <stdio.h> | |
14 | #include <stdlib.h> | |
15 | #include <unistd.h> | |
aba5acdf SH |
16 | #include <fcntl.h> |
17 | #include <string.h> | |
18 | #include <sys/time.h> | |
aba5acdf SH |
19 | #include <sys/socket.h> |
20 | #include <netinet/in.h> | |
21 | #include <netinet/ip.h> | |
22 | ||
23 | #include "rt_names.h" | |
24 | #include "utils.h" | |
25 | #include "ip_common.h" | |
aac7f725 | 26 | #include "json_print.h" |
aba5acdf SH |
27 | |
28 | #define NUD_VALID (NUD_PERMANENT|NUD_NOARP|NUD_REACHABLE|NUD_PROBE|NUD_STALE|NUD_DELAY) | |
66081849 | 29 | #define MAX_ROUNDS 10 |
aba5acdf SH |
30 | |
31 | static struct | |
32 | { | |
33 | int family; | |
56f5daac | 34 | int index; |
aba5acdf SH |
35 | int state; |
36 | int unused_only; | |
37 | inet_prefix pfx; | |
38 | int flushed; | |
39 | char *flushb; | |
40 | int flushp; | |
41 | int flushe; | |
0d238ca2 | 42 | int master; |
aba5acdf SH |
43 | } filter; |
44 | ||
45 | static void usage(void) __attribute__((noreturn)); | |
46 | ||
47 | static void usage(void) | |
48 | { | |
03a0cf20 PS |
49 | fprintf(stderr, "Usage: ip neigh { add | del | change | replace }\n" |
50 | " { ADDR [ lladdr LLADDR ] [ nud STATE ] | proxy ADDR } [ dev DEV ]\n"); | |
5db1adae DA |
51 | fprintf(stderr, " ip neigh { show | flush } [ proxy ] [ to PREFIX ] [ dev DEV ] [ nud STATE ]\n"); |
52 | fprintf(stderr, " [ vrf NAME ]\n\n"); | |
03a0cf20 | 53 | fprintf(stderr, "STATE := { permanent | noarp | stale | reachable | none |\n" |
56f5daac | 54 | " incomplete | delay | probe | failed }\n"); |
aba5acdf SH |
55 | exit(-1); |
56 | } | |
57 | ||
56f5daac | 58 | static int nud_state_a2n(unsigned int *state, const char *arg) |
aba5acdf SH |
59 | { |
60 | if (matches(arg, "permanent") == 0) | |
61 | *state = NUD_PERMANENT; | |
62 | else if (matches(arg, "reachable") == 0) | |
63 | *state = NUD_REACHABLE; | |
64 | else if (strcmp(arg, "noarp") == 0) | |
65 | *state = NUD_NOARP; | |
66 | else if (strcmp(arg, "none") == 0) | |
67 | *state = NUD_NONE; | |
68 | else if (strcmp(arg, "stale") == 0) | |
69 | *state = NUD_STALE; | |
70 | else if (strcmp(arg, "incomplete") == 0) | |
71 | *state = NUD_INCOMPLETE; | |
72 | else if (strcmp(arg, "delay") == 0) | |
73 | *state = NUD_DELAY; | |
74 | else if (strcmp(arg, "probe") == 0) | |
75 | *state = NUD_PROBE; | |
76 | else if (matches(arg, "failed") == 0) | |
77 | *state = NUD_FAILED; | |
78 | else { | |
79 | if (get_unsigned(state, arg, 0)) | |
80 | return -1; | |
56f5daac | 81 | if (*state >= 0x100 || (*state&((*state)-1))) |
aba5acdf SH |
82 | return -1; |
83 | } | |
84 | return 0; | |
85 | } | |
86 | ||
aba5acdf SH |
87 | static int flush_update(void) |
88 | { | |
f31a37f7 | 89 | if (rtnl_send_check(&rth, filter.flushb, filter.flushp) < 0) { |
1fb0a998 | 90 | perror("Failed to send flush request"); |
aba5acdf SH |
91 | return -1; |
92 | } | |
93 | filter.flushp = 0; | |
94 | return 0; | |
95 | } | |
96 | ||
97 | ||
98 | static int ipneigh_modify(int cmd, int flags, int argc, char **argv) | |
99 | { | |
aba5acdf | 100 | struct { |
4806867a SH |
101 | struct nlmsghdr n; |
102 | struct ndmsg ndm; | |
56f5daac | 103 | char buf[256]; |
d17b136f PS |
104 | } req = { |
105 | .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ndmsg)), | |
106 | .n.nlmsg_flags = NLM_F_REQUEST | flags, | |
107 | .n.nlmsg_type = cmd, | |
108 | .ndm.ndm_family = preferred_family, | |
109 | .ndm.ndm_state = NUD_PERMANENT, | |
110 | }; | |
e834eb8e | 111 | char *dev = NULL; |
aba5acdf | 112 | int dst_ok = 0; |
e834eb8e | 113 | int dev_ok = 0; |
aba5acdf | 114 | int lladdr_ok = 0; |
56f5daac | 115 | char *lla = NULL; |
aba5acdf SH |
116 | inet_prefix dst; |
117 | ||
aba5acdf SH |
118 | while (argc > 0) { |
119 | if (matches(*argv, "lladdr") == 0) { | |
120 | NEXT_ARG(); | |
121 | if (lladdr_ok) | |
122 | duparg("lladdr", *argv); | |
123 | lla = *argv; | |
124 | lladdr_ok = 1; | |
125 | } else if (strcmp(*argv, "nud") == 0) { | |
56f5daac SH |
126 | unsigned int state; |
127 | ||
aba5acdf SH |
128 | NEXT_ARG(); |
129 | if (nud_state_a2n(&state, *argv)) | |
130 | invarg("nud state is bad", *argv); | |
131 | req.ndm.ndm_state = state; | |
132 | } else if (matches(*argv, "proxy") == 0) { | |
133 | NEXT_ARG(); | |
134 | if (matches(*argv, "help") == 0) | |
135 | usage(); | |
136 | if (dst_ok) | |
137 | duparg("address", *argv); | |
138 | get_addr(&dst, *argv, preferred_family); | |
139 | dst_ok = 1; | |
e834eb8e | 140 | dev_ok = 1; |
aba5acdf SH |
141 | req.ndm.ndm_flags |= NTF_PROXY; |
142 | } else if (strcmp(*argv, "dev") == 0) { | |
143 | NEXT_ARG(); | |
e834eb8e KK |
144 | dev = *argv; |
145 | dev_ok = 1; | |
aba5acdf SH |
146 | } else { |
147 | if (strcmp(*argv, "to") == 0) { | |
148 | NEXT_ARG(); | |
149 | } | |
150 | if (matches(*argv, "help") == 0) { | |
151 | NEXT_ARG(); | |
152 | } | |
153 | if (dst_ok) | |
154 | duparg2("to", *argv); | |
155 | get_addr(&dst, *argv, preferred_family); | |
156 | dst_ok = 1; | |
157 | } | |
158 | argc--; argv++; | |
159 | } | |
e834eb8e | 160 | if (!dev_ok || !dst_ok || dst.family == AF_UNSPEC) { |
aba5acdf SH |
161 | fprintf(stderr, "Device and destination are required arguments.\n"); |
162 | exit(-1); | |
163 | } | |
164 | req.ndm.ndm_family = dst.family; | |
542b0cc7 SH |
165 | if (addattr_l(&req.n, sizeof(req), NDA_DST, &dst.data, dst.bytelen) < 0) |
166 | return -1; | |
aba5acdf SH |
167 | |
168 | if (lla && strcmp(lla, "null")) { | |
7b565754 | 169 | char llabuf[20]; |
aba5acdf SH |
170 | int l; |
171 | ||
172 | l = ll_addr_a2n(llabuf, sizeof(llabuf), lla); | |
542b0cc7 SH |
173 | if (l < 0) |
174 | return -1; | |
175 | ||
176 | if (addattr_l(&req.n, sizeof(req), NDA_LLADDR, llabuf, l) < 0) | |
177 | return -1; | |
aba5acdf SH |
178 | } |
179 | ||
aba5acdf SH |
180 | ll_init_map(&rth); |
181 | ||
fe99adbc SP |
182 | if (dev) { |
183 | req.ndm.ndm_ifindex = ll_name_to_index(dev); | |
184 | if (!req.ndm.ndm_ifindex) | |
185 | return nodev(dev); | |
aba5acdf SH |
186 | } |
187 | ||
86bf43c7 | 188 | if (rtnl_talk(&rth, &req.n, NULL) < 0) |
aba5acdf SH |
189 | exit(2); |
190 | ||
351efcde | 191 | return 0; |
aba5acdf SH |
192 | } |
193 | ||
aac7f725 SH |
194 | static void print_cacheinfo(const struct nda_cacheinfo *ci) |
195 | { | |
196 | static int hz; | |
197 | ||
198 | if (!hz) | |
199 | hz = get_user_hz(); | |
200 | ||
201 | if (ci->ndm_refcnt) | |
202 | print_uint(PRINT_ANY, "refcnt", | |
203 | " ref %u", ci->ndm_refcnt); | |
204 | ||
205 | print_uint(PRINT_ANY, "used", " used %u", ci->ndm_used / hz); | |
206 | print_uint(PRINT_ANY, "confirmed", "/%u", ci->ndm_confirmed / hz); | |
207 | print_uint(PRINT_ANY, "updated", "/u", ci->ndm_updated / hz); | |
208 | } | |
209 | ||
210 | static void print_neigh_state(unsigned int nud) | |
211 | { | |
212 | ||
213 | open_json_array(PRINT_JSON, | |
214 | is_json_context() ? "state" : ""); | |
215 | ||
216 | #define PRINT_FLAG(f) \ | |
217 | if (nud & NUD_##f) { \ | |
218 | nud &= ~NUD_##f; \ | |
219 | print_string(PRINT_ANY, NULL, " %s", #f); \ | |
220 | } | |
221 | ||
222 | PRINT_FLAG(INCOMPLETE); | |
223 | PRINT_FLAG(REACHABLE); | |
224 | PRINT_FLAG(STALE); | |
225 | PRINT_FLAG(DELAY); | |
226 | PRINT_FLAG(PROBE); | |
227 | PRINT_FLAG(FAILED); | |
228 | PRINT_FLAG(NOARP); | |
229 | PRINT_FLAG(PERMANENT); | |
230 | #undef PRINT_FLAG | |
231 | ||
232 | close_json_array(PRINT_JSON, NULL); | |
233 | } | |
aba5acdf | 234 | |
50772dc5 | 235 | int print_neigh(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg) |
aba5acdf | 236 | { |
56f5daac | 237 | FILE *fp = (FILE *)arg; |
aba5acdf SH |
238 | struct ndmsg *r = NLMSG_DATA(n); |
239 | int len = n->nlmsg_len; | |
56f5daac | 240 | struct rtattr *tb[NDA_MAX+1]; |
0d238ca2 | 241 | static int logit = 1; |
aba5acdf | 242 | |
1556e29d DS |
243 | if (n->nlmsg_type != RTM_NEWNEIGH && n->nlmsg_type != RTM_DELNEIGH && |
244 | n->nlmsg_type != RTM_GETNEIGH) { | |
aba5acdf SH |
245 | fprintf(stderr, "Not RTM_NEWNEIGH: %08x %08x %08x\n", |
246 | n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags); | |
ae665a52 | 247 | |
aba5acdf SH |
248 | return 0; |
249 | } | |
250 | len -= NLMSG_LENGTH(sizeof(*r)); | |
251 | if (len < 0) { | |
252 | fprintf(stderr, "BUG: wrong nlmsg len %d\n", len); | |
253 | return -1; | |
254 | } | |
255 | ||
256 | if (filter.flushb && n->nlmsg_type != RTM_NEWNEIGH) | |
257 | return 0; | |
258 | ||
259 | if (filter.family && filter.family != r->ndm_family) | |
260 | return 0; | |
261 | if (filter.index && filter.index != r->ndm_ifindex) | |
262 | return 0; | |
263 | if (!(filter.state&r->ndm_state) && | |
1dac7817 | 264 | !(r->ndm_flags & NTF_PROXY) && |
aba5acdf | 265 | (r->ndm_state || !(filter.state&0x100)) && |
aac7f725 | 266 | (r->ndm_family != AF_DECnet)) |
aba5acdf SH |
267 | return 0; |
268 | ||
0d238ca2 DA |
269 | if (filter.master && !(n->nlmsg_flags & NLM_F_DUMP_FILTERED)) { |
270 | if (logit) { | |
271 | logit = 0; | |
272 | fprintf(fp, | |
273 | "\nWARNING: Kernel does not support filtering by master device\n\n"); | |
274 | } | |
275 | } | |
276 | ||
aba5acdf SH |
277 | parse_rtattr(tb, NDA_MAX, NDA_RTA(r), n->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); |
278 | ||
a4270fd8 SP |
279 | if (inet_addr_match_rta(&filter.pfx, tb[NDA_DST])) |
280 | return 0; | |
56f5daac | 281 | |
aba5acdf SH |
282 | if (filter.unused_only && tb[NDA_CACHEINFO]) { |
283 | struct nda_cacheinfo *ci = RTA_DATA(tb[NDA_CACHEINFO]); | |
56f5daac | 284 | |
aba5acdf SH |
285 | if (ci->ndm_refcnt) |
286 | return 0; | |
287 | } | |
288 | ||
289 | if (filter.flushb) { | |
290 | struct nlmsghdr *fn; | |
56f5daac | 291 | |
aba5acdf SH |
292 | if (NLMSG_ALIGN(filter.flushp) + n->nlmsg_len > filter.flushe) { |
293 | if (flush_update()) | |
294 | return -1; | |
295 | } | |
56f5daac | 296 | fn = (struct nlmsghdr *)(filter.flushb + NLMSG_ALIGN(filter.flushp)); |
aba5acdf SH |
297 | memcpy(fn, n, n->nlmsg_len); |
298 | fn->nlmsg_type = RTM_DELNEIGH; | |
299 | fn->nlmsg_flags = NLM_F_REQUEST; | |
351efcde | 300 | fn->nlmsg_seq = ++rth.seq; |
56f5daac | 301 | filter.flushp = (((char *)fn) + n->nlmsg_len) - filter.flushb; |
aba5acdf SH |
302 | filter.flushed++; |
303 | if (show_stats < 2) | |
304 | return 0; | |
305 | } | |
306 | ||
aac7f725 | 307 | open_json_object(NULL); |
6ea3ebaf | 308 | if (n->nlmsg_type == RTM_DELNEIGH) |
aac7f725 | 309 | print_bool(PRINT_ANY, "deleted", "Deleted ", true); |
1556e29d | 310 | else if (n->nlmsg_type == RTM_GETNEIGH) |
aac7f725 SH |
311 | print_null(PRINT_ANY, "miss", "%s ", "miss"); |
312 | ||
aba5acdf | 313 | if (tb[NDA_DST]) { |
aac7f725 SH |
314 | const char *dst; |
315 | ||
316 | dst = format_host_rta(r->ndm_family, tb[NDA_DST]); | |
317 | print_color_string(PRINT_ANY, | |
318 | ifa_family_color(r->ndm_family), | |
319 | "dst", "%s ", dst); | |
aba5acdf | 320 | } |
aac7f725 SH |
321 | |
322 | if (!filter.index && r->ndm_ifindex) { | |
323 | if (!is_json_context()) | |
324 | fprintf(fp, "dev "); | |
325 | ||
326 | print_color_string(PRINT_ANY, COLOR_IFNAME, | |
327 | "dev", "%s ", | |
328 | ll_index_to_name(r->ndm_ifindex)); | |
329 | } | |
330 | ||
aba5acdf | 331 | if (tb[NDA_LLADDR]) { |
aac7f725 | 332 | const char *lladdr; |
aba5acdf | 333 | SPRINT_BUF(b1); |
6a34d291 | 334 | |
aac7f725 SH |
335 | lladdr = ll_addr_n2a(RTA_DATA(tb[NDA_LLADDR]), |
336 | RTA_PAYLOAD(tb[NDA_LLADDR]), | |
337 | ll_index_to_type(r->ndm_ifindex), | |
338 | b1, sizeof(b1)); | |
aba5acdf | 339 | |
aac7f725 SH |
340 | if (!is_json_context()) |
341 | fprintf(fp, "lladdr "); | |
56f5daac | 342 | |
aac7f725 SH |
343 | print_color_string(PRINT_ANY, COLOR_MAC, |
344 | "lladdr", "%s", lladdr); | |
69410a49 | 345 | } |
346 | ||
aac7f725 SH |
347 | if (r->ndm_flags & NTF_ROUTER) |
348 | print_null(PRINT_ANY, "router", " %s", "router"); | |
349 | ||
350 | if (r->ndm_flags & NTF_PROXY) | |
351 | print_null(PRINT_ANY, "proxy", " %s", "proxy"); | |
352 | ||
353 | if (show_stats) { | |
354 | if (tb[NDA_CACHEINFO]) | |
355 | print_cacheinfo(RTA_DATA(tb[NDA_CACHEINFO])); | |
356 | ||
357 | if (tb[NDA_PROBES]) | |
358 | print_uint(PRINT_ANY, "probes", " probes %u", | |
359 | rta_getattr_u32(tb[NDA_PROBES])); | |
aba5acdf | 360 | } |
aba5acdf | 361 | |
aac7f725 SH |
362 | if (r->ndm_state) |
363 | print_neigh_state(r->ndm_state); | |
364 | ||
365 | print_string(PRINT_FP, NULL, "\n", ""); | |
366 | close_json_object(); | |
367 | fflush(stdout); | |
368 | ||
aba5acdf SH |
369 | return 0; |
370 | } | |
371 | ||
093b7646 | 372 | void ipneigh_reset_filter(int ifindex) |
aba5acdf SH |
373 | { |
374 | memset(&filter, 0, sizeof(filter)); | |
375 | filter.state = ~0; | |
093b7646 | 376 | filter.index = ifindex; |
aba5acdf SH |
377 | } |
378 | ||
d1f28cf1 | 379 | static int do_show_or_flush(int argc, char **argv, int flush) |
aba5acdf | 380 | { |
0d238ca2 DA |
381 | struct { |
382 | struct nlmsghdr n; | |
383 | struct ndmsg ndm; | |
56f5daac | 384 | char buf[256]; |
d17b136f PS |
385 | } req = { |
386 | .n.nlmsg_type = RTM_GETNEIGH, | |
387 | .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ndmsg)), | |
388 | }; | |
aba5acdf | 389 | char *filter_dev = NULL; |
aba5acdf | 390 | int state_given = 0; |
0d238ca2 | 391 | |
093b7646 | 392 | ipneigh_reset_filter(0); |
aba5acdf SH |
393 | |
394 | if (!filter.family) | |
395 | filter.family = preferred_family; | |
396 | ||
397 | if (flush) { | |
398 | if (argc <= 0) { | |
399 | fprintf(stderr, "Flush requires arguments.\n"); | |
400 | return -1; | |
401 | } | |
402 | filter.state = ~(NUD_PERMANENT|NUD_NOARP); | |
403 | } else | |
404 | filter.state = 0xFF & ~NUD_NOARP; | |
405 | ||
406 | while (argc > 0) { | |
407 | if (strcmp(*argv, "dev") == 0) { | |
408 | NEXT_ARG(); | |
409 | if (filter_dev) | |
410 | duparg("dev", *argv); | |
411 | filter_dev = *argv; | |
0d238ca2 DA |
412 | } else if (strcmp(*argv, "master") == 0) { |
413 | int ifindex; | |
56f5daac | 414 | |
0d238ca2 DA |
415 | NEXT_ARG(); |
416 | ifindex = ll_name_to_index(*argv); | |
417 | if (!ifindex) | |
418 | invarg("Device does not exist\n", *argv); | |
419 | addattr32(&req.n, sizeof(req), NDA_MASTER, ifindex); | |
420 | filter.master = ifindex; | |
5db1adae DA |
421 | } else if (strcmp(*argv, "vrf") == 0) { |
422 | int ifindex; | |
423 | ||
424 | NEXT_ARG(); | |
425 | ifindex = ll_name_to_index(*argv); | |
426 | if (!ifindex) | |
427 | invarg("Not a valid VRF name\n", *argv); | |
428 | if (!name_is_vrf(*argv)) | |
429 | invarg("Not a valid VRF name\n", *argv); | |
430 | addattr32(&req.n, sizeof(req), NDA_MASTER, ifindex); | |
431 | filter.master = ifindex; | |
aba5acdf SH |
432 | } else if (strcmp(*argv, "unused") == 0) { |
433 | filter.unused_only = 1; | |
434 | } else if (strcmp(*argv, "nud") == 0) { | |
56f5daac SH |
435 | unsigned int state; |
436 | ||
aba5acdf SH |
437 | NEXT_ARG(); |
438 | if (!state_given) { | |
439 | state_given = 1; | |
440 | filter.state = 0; | |
441 | } | |
442 | if (nud_state_a2n(&state, *argv)) { | |
443 | if (strcmp(*argv, "all") != 0) | |
444 | invarg("nud state is bad", *argv); | |
445 | state = ~0; | |
446 | if (flush) | |
447 | state &= ~NUD_NOARP; | |
448 | } | |
449 | if (state == 0) | |
450 | state = 0x100; | |
451 | filter.state |= state; | |
1dac7817 | 452 | } else if (strcmp(*argv, "proxy") == 0) |
0d238ca2 | 453 | req.ndm.ndm_flags = NTF_PROXY; |
1dac7817 | 454 | else { |
aba5acdf SH |
455 | if (strcmp(*argv, "to") == 0) { |
456 | NEXT_ARG(); | |
457 | } | |
458 | if (matches(*argv, "help") == 0) | |
459 | usage(); | |
a4270fd8 SP |
460 | if (get_prefix(&filter.pfx, *argv, filter.family)) |
461 | invarg("to value is invalid\n", *argv); | |
aba5acdf SH |
462 | if (filter.family == AF_UNSPEC) |
463 | filter.family = filter.pfx.family; | |
464 | } | |
465 | argc--; argv++; | |
466 | } | |
467 | ||
aba5acdf SH |
468 | ll_init_map(&rth); |
469 | ||
470 | if (filter_dev) { | |
fe99adbc SP |
471 | filter.index = ll_name_to_index(filter_dev); |
472 | if (!filter.index) | |
473 | return nodev(filter_dev); | |
b8c75324 | 474 | addattr32(&req.n, sizeof(req), NDA_IFINDEX, filter.index); |
aba5acdf SH |
475 | } |
476 | ||
1c346dcc JH |
477 | req.ndm.ndm_family = filter.family; |
478 | ||
aba5acdf SH |
479 | if (flush) { |
480 | int round = 0; | |
481 | char flushb[4096-512]; | |
482 | ||
483 | filter.flushb = flushb; | |
484 | filter.flushp = 0; | |
485 | filter.flushe = sizeof(flushb); | |
aba5acdf | 486 | |
66081849 | 487 | while (round < MAX_ROUNDS) { |
1c346dcc | 488 | if (rtnl_dump_request_n(&rth, &req.n) < 0) { |
aba5acdf SH |
489 | perror("Cannot send dump request"); |
490 | exit(1); | |
491 | } | |
492 | filter.flushed = 0; | |
cd70f3f5 | 493 | if (rtnl_dump_filter(&rth, print_neigh, stdout) < 0) { |
aba5acdf SH |
494 | fprintf(stderr, "Flush terminated\n"); |
495 | exit(1); | |
496 | } | |
497 | if (filter.flushed == 0) { | |
f0b34d2d AH |
498 | if (show_stats) { |
499 | if (round == 0) | |
500 | printf("Nothing to flush.\n"); | |
501 | else | |
56f5daac | 502 | printf("*** Flush is complete after %d round%s ***\n", round, round > 1?"s":""); |
f0b34d2d | 503 | } |
aba5acdf SH |
504 | fflush(stdout); |
505 | return 0; | |
506 | } | |
507 | round++; | |
508 | if (flush_update() < 0) | |
509 | exit(1); | |
510 | if (show_stats) { | |
511 | printf("\n*** Round %d, deleting %d entries ***\n", round, filter.flushed); | |
512 | fflush(stdout); | |
513 | } | |
ad0a6a2c | 514 | filter.state &= ~NUD_FAILED; |
aba5acdf | 515 | } |
66081849 SH |
516 | printf("*** Flush not complete bailing out after %d rounds\n", |
517 | MAX_ROUNDS); | |
518 | return 1; | |
aba5acdf SH |
519 | } |
520 | ||
0d238ca2 | 521 | if (rtnl_dump_request_n(&rth, &req.n) < 0) { |
aba5acdf SH |
522 | perror("Cannot send dump request"); |
523 | exit(1); | |
524 | } | |
525 | ||
aac7f725 | 526 | new_json_obj(json); |
cd70f3f5 | 527 | if (rtnl_dump_filter(&rth, print_neigh, stdout) < 0) { |
aba5acdf SH |
528 | fprintf(stderr, "Dump terminated\n"); |
529 | exit(1); | |
530 | } | |
aac7f725 | 531 | delete_json_obj(); |
aba5acdf SH |
532 | |
533 | return 0; | |
534 | } | |
535 | ||
536 | int do_ipneigh(int argc, char **argv) | |
537 | { | |
538 | if (argc > 0) { | |
539 | if (matches(*argv, "add") == 0) | |
540 | return ipneigh_modify(RTM_NEWNEIGH, NLM_F_CREATE|NLM_F_EXCL, argc-1, argv+1); | |
541 | if (matches(*argv, "change") == 0 || | |
542 | strcmp(*argv, "chg") == 0) | |
543 | return ipneigh_modify(RTM_NEWNEIGH, NLM_F_REPLACE, argc-1, argv+1); | |
544 | if (matches(*argv, "replace") == 0) | |
545 | return ipneigh_modify(RTM_NEWNEIGH, NLM_F_CREATE|NLM_F_REPLACE, argc-1, argv+1); | |
546 | if (matches(*argv, "delete") == 0) | |
547 | return ipneigh_modify(RTM_DELNEIGH, 0, argc-1, argv+1); | |
548 | if (matches(*argv, "get") == 0) { | |
549 | fprintf(stderr, "Sorry, \"neigh get\" is not implemented :-(\n"); | |
550 | return -1; | |
551 | } | |
552 | if (matches(*argv, "show") == 0 || | |
553 | matches(*argv, "lst") == 0 || | |
554 | matches(*argv, "list") == 0) | |
555 | return do_show_or_flush(argc-1, argv+1, 0); | |
556 | if (matches(*argv, "flush") == 0) | |
557 | return do_show_or_flush(argc-1, argv+1, 1); | |
558 | if (matches(*argv, "help") == 0) | |
559 | usage(); | |
560 | } else | |
561 | return do_show_or_flush(0, NULL, 0); | |
562 | ||
563 | fprintf(stderr, "Command \"%s\" is unknown, try \"ip neigh help\".\n", *argv); | |
564 | exit(-1); | |
565 | } |