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[mirror_iproute2.git] / ip / ipaddress.c
1 /*
2 * ipaddress.c "ip address".
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 *
11 */
12
13 #include <stdio.h>
14 #include <stdlib.h>
15 #include <unistd.h>
16 #include <syslog.h>
17 #include <inttypes.h>
18 #include <fcntl.h>
19 #include <sys/ioctl.h>
20 #include <sys/socket.h>
21 #include <sys/param.h>
22 #include <errno.h>
23 #include <netinet/in.h>
24 #include <arpa/inet.h>
25 #include <string.h>
26 #include <fnmatch.h>
27
28 #include <linux/netdevice.h>
29 #include <linux/if_arp.h>
30 #include <linux/sockios.h>
31 #include <linux/net_namespace.h>
32
33 #include "utils.h"
34 #include "rt_names.h"
35 #include "utils.h"
36 #include "ll_map.h"
37 #include "ip_common.h"
38 #include "xdp.h"
39 #include "color.h"
40
41 enum {
42 IPADD_LIST,
43 IPADD_FLUSH,
44 IPADD_SAVE,
45 };
46
47 static struct link_filter filter;
48 static int do_link;
49
50 static void usage(void) __attribute__((noreturn));
51
52 static void usage(void)
53 {
54 if (do_link) {
55 iplink_usage();
56 }
57 fprintf(stderr, "Usage: ip address {add|change|replace} IFADDR dev IFNAME [ LIFETIME ]\n");
58 fprintf(stderr, " [ CONFFLAG-LIST ]\n");
59 fprintf(stderr, " ip address del IFADDR dev IFNAME [mngtmpaddr]\n");
60 fprintf(stderr, " ip address {save|flush} [ dev IFNAME ] [ scope SCOPE-ID ]\n");
61 fprintf(stderr, " [ to PREFIX ] [ FLAG-LIST ] [ label LABEL ] [up]\n");
62 fprintf(stderr, " ip address [ show [ dev IFNAME ] [ scope SCOPE-ID ] [ master DEVICE ]\n");
63 fprintf(stderr, " [ type TYPE ] [ to PREFIX ] [ FLAG-LIST ]\n");
64 fprintf(stderr, " [ label LABEL ] [up] [ vrf NAME ] ]\n");
65 fprintf(stderr, " ip address {showdump|restore}\n");
66 fprintf(stderr, "IFADDR := PREFIX | ADDR peer PREFIX\n");
67 fprintf(stderr, " [ broadcast ADDR ] [ anycast ADDR ]\n");
68 fprintf(stderr, " [ label IFNAME ] [ scope SCOPE-ID ]\n");
69 fprintf(stderr, "SCOPE-ID := [ host | link | global | NUMBER ]\n");
70 fprintf(stderr, "FLAG-LIST := [ FLAG-LIST ] FLAG\n");
71 fprintf(stderr, "FLAG := [ permanent | dynamic | secondary | primary |\n");
72 fprintf(stderr, " [-]tentative | [-]deprecated | [-]dadfailed | temporary |\n");
73 fprintf(stderr, " CONFFLAG-LIST ]\n");
74 fprintf(stderr, "CONFFLAG-LIST := [ CONFFLAG-LIST ] CONFFLAG\n");
75 fprintf(stderr, "CONFFLAG := [ home | nodad | mngtmpaddr | noprefixroute | autojoin ]\n");
76 fprintf(stderr, "LIFETIME := [ valid_lft LFT ] [ preferred_lft LFT ]\n");
77 fprintf(stderr, "LFT := forever | SECONDS\n");
78 fprintf(stderr, "TYPE := { vlan | veth | vcan | dummy | ifb | macvlan | macvtap |\n");
79 fprintf(stderr, " bridge | bond | ipoib | ip6tnl | ipip | sit | vxlan | lowpan |\n");
80 fprintf(stderr, " gre | gretap | erspan | ip6gre | ip6gretap | vti | nlmon | can |\n");
81 fprintf(stderr, " bond_slave | ipvlan | geneve | bridge_slave | vrf | hsr | macsec }\n");
82
83 exit(-1);
84 }
85
86 static void print_link_flags(FILE *fp, unsigned int flags, unsigned int mdown)
87 {
88 open_json_array(PRINT_ANY, is_json_context() ? "flags" : "<");
89 if (flags & IFF_UP && !(flags & IFF_RUNNING))
90 print_string(PRINT_ANY, NULL,
91 flags ? "%s," : "%s", "NO-CARRIER");
92 flags &= ~IFF_RUNNING;
93 #define _PF(f) if (flags&IFF_##f) { \
94 flags &= ~IFF_##f ; \
95 print_string(PRINT_ANY, NULL, flags ? "%s," : "%s", #f); }
96 _PF(LOOPBACK);
97 _PF(BROADCAST);
98 _PF(POINTOPOINT);
99 _PF(MULTICAST);
100 _PF(NOARP);
101 _PF(ALLMULTI);
102 _PF(PROMISC);
103 _PF(MASTER);
104 _PF(SLAVE);
105 _PF(DEBUG);
106 _PF(DYNAMIC);
107 _PF(AUTOMEDIA);
108 _PF(PORTSEL);
109 _PF(NOTRAILERS);
110 _PF(UP);
111 _PF(LOWER_UP);
112 _PF(DORMANT);
113 _PF(ECHO);
114 #undef _PF
115 if (flags)
116 print_hex(PRINT_ANY, NULL, "%x", flags);
117 if (mdown)
118 print_string(PRINT_ANY, NULL, ",%s", "M-DOWN");
119 close_json_array(PRINT_ANY, "> ");
120 }
121
122 static const char *oper_states[] = {
123 "UNKNOWN", "NOTPRESENT", "DOWN", "LOWERLAYERDOWN",
124 "TESTING", "DORMANT", "UP"
125 };
126
127 static void print_operstate(FILE *f, __u8 state)
128 {
129 if (state >= ARRAY_SIZE(oper_states)) {
130 if (is_json_context())
131 print_uint(PRINT_JSON, "operstate_index", NULL, state);
132 else
133 print_0xhex(PRINT_FP, NULL, "state %#x", state);
134 } else if (brief) {
135 print_color_string(PRINT_ANY,
136 oper_state_color(state),
137 "operstate",
138 "%-14s ",
139 oper_states[state]);
140 } else {
141 if (is_json_context())
142 print_string(PRINT_JSON,
143 "operstate",
144 NULL, oper_states[state]);
145 else {
146 fprintf(f, "state ");
147 color_fprintf(f, oper_state_color(state),
148 "%s ", oper_states[state]);
149 }
150 }
151 }
152
153 int get_operstate(const char *name)
154 {
155 int i;
156
157 for (i = 0; i < ARRAY_SIZE(oper_states); i++)
158 if (strcasecmp(name, oper_states[i]) == 0)
159 return i;
160 return -1;
161 }
162
163 static void print_queuelen(FILE *f, struct rtattr *tb[IFLA_MAX + 1])
164 {
165 int qlen;
166
167 if (tb[IFLA_TXQLEN])
168 qlen = rta_getattr_u32(tb[IFLA_TXQLEN]);
169 else {
170 struct ifreq ifr = {};
171 int s = socket(AF_INET, SOCK_STREAM, 0);
172
173 if (s < 0)
174 return;
175
176 strcpy(ifr.ifr_name, rta_getattr_str(tb[IFLA_IFNAME]));
177 if (ioctl(s, SIOCGIFTXQLEN, &ifr) < 0) {
178 fprintf(f, "ioctl(SIOCGIFTXQLEN) failed: %s\n", strerror(errno));
179 close(s);
180 return;
181 }
182 close(s);
183 qlen = ifr.ifr_qlen;
184 }
185 if (qlen)
186 print_int(PRINT_ANY, "txqlen", "qlen %d", qlen);
187 }
188
189 static const char *link_modes[] = {
190 "DEFAULT", "DORMANT"
191 };
192
193 static void print_linkmode(FILE *f, struct rtattr *tb)
194 {
195 unsigned int mode = rta_getattr_u8(tb);
196
197 if (mode >= ARRAY_SIZE(link_modes))
198 print_int(PRINT_ANY,
199 "linkmode_index",
200 "mode %d ",
201 mode);
202 else
203 print_string(PRINT_ANY,
204 "linkmode",
205 "mode %s "
206 , link_modes[mode]);
207 }
208
209 static char *parse_link_kind(struct rtattr *tb, bool slave)
210 {
211 struct rtattr *linkinfo[IFLA_INFO_MAX+1];
212 int attr = slave ? IFLA_INFO_SLAVE_KIND : IFLA_INFO_KIND;
213
214 parse_rtattr_nested(linkinfo, IFLA_INFO_MAX, tb);
215
216 if (linkinfo[attr])
217 return RTA_DATA(linkinfo[attr]);
218
219 return "";
220 }
221
222 static int match_link_kind(struct rtattr **tb, const char *kind, bool slave)
223 {
224 if (!tb[IFLA_LINKINFO])
225 return -1;
226
227 return strcmp(parse_link_kind(tb[IFLA_LINKINFO], slave), kind);
228 }
229
230 static void print_linktype(FILE *fp, struct rtattr *tb)
231 {
232 struct rtattr *linkinfo[IFLA_INFO_MAX+1];
233 struct link_util *lu;
234 struct link_util *slave_lu;
235 char slave[32];
236
237 parse_rtattr_nested(linkinfo, IFLA_INFO_MAX, tb);
238 open_json_object("linkinfo");
239
240 if (linkinfo[IFLA_INFO_KIND]) {
241 const char *kind
242 = rta_getattr_str(linkinfo[IFLA_INFO_KIND]);
243
244 print_string(PRINT_FP, NULL, "%s", _SL_);
245 print_string(PRINT_ANY, "info_kind", " %s ", kind);
246
247 lu = get_link_kind(kind);
248 if (lu && lu->print_opt) {
249 struct rtattr *attr[lu->maxattr+1], **data = NULL;
250
251 if (linkinfo[IFLA_INFO_DATA]) {
252 parse_rtattr_nested(attr, lu->maxattr,
253 linkinfo[IFLA_INFO_DATA]);
254 data = attr;
255 }
256 open_json_object("info_data");
257 lu->print_opt(lu, fp, data);
258 close_json_object();
259
260 if (linkinfo[IFLA_INFO_XSTATS] && show_stats &&
261 lu->print_xstats) {
262 open_json_object("info_xstats");
263 lu->print_xstats(lu, fp, linkinfo[IFLA_INFO_XSTATS]);
264 close_json_object();
265 }
266 }
267 }
268
269 if (linkinfo[IFLA_INFO_SLAVE_KIND]) {
270 const char *slave_kind
271 = rta_getattr_str(linkinfo[IFLA_INFO_SLAVE_KIND]);
272
273 print_string(PRINT_FP, NULL, "%s", _SL_);
274 print_string(PRINT_ANY,
275 "info_slave_kind",
276 " %s_slave ",
277 slave_kind);
278
279 snprintf(slave, sizeof(slave), "%s_slave", slave_kind);
280
281 slave_lu = get_link_kind(slave);
282 if (slave_lu && slave_lu->print_opt) {
283 struct rtattr *attr[slave_lu->maxattr+1], **data = NULL;
284
285 if (linkinfo[IFLA_INFO_SLAVE_DATA]) {
286 parse_rtattr_nested(attr, slave_lu->maxattr,
287 linkinfo[IFLA_INFO_SLAVE_DATA]);
288 data = attr;
289 }
290 open_json_object("info_slave_data");
291 slave_lu->print_opt(slave_lu, fp, data);
292 close_json_object();
293 }
294 }
295 close_json_object();
296 }
297
298 static void print_af_spec(FILE *fp, struct rtattr *af_spec_attr)
299 {
300 struct rtattr *inet6_attr;
301 struct rtattr *tb[IFLA_INET6_MAX + 1];
302
303 inet6_attr = parse_rtattr_one_nested(AF_INET6, af_spec_attr);
304 if (!inet6_attr)
305 return;
306
307 parse_rtattr_nested(tb, IFLA_INET6_MAX, inet6_attr);
308
309 if (tb[IFLA_INET6_ADDR_GEN_MODE]) {
310 __u8 mode = rta_getattr_u8(tb[IFLA_INET6_ADDR_GEN_MODE]);
311 SPRINT_BUF(b1);
312
313 switch (mode) {
314 case IN6_ADDR_GEN_MODE_EUI64:
315 print_string(PRINT_ANY,
316 "inet6_addr_gen_mode",
317 "addrgenmode %s ",
318 "eui64");
319 break;
320 case IN6_ADDR_GEN_MODE_NONE:
321 print_string(PRINT_ANY,
322 "inet6_addr_gen_mode",
323 "addrgenmode %s ",
324 "none");
325 break;
326 case IN6_ADDR_GEN_MODE_STABLE_PRIVACY:
327 print_string(PRINT_ANY,
328 "inet6_addr_gen_mode",
329 "addrgenmode %s ",
330 "stable_secret");
331 break;
332 case IN6_ADDR_GEN_MODE_RANDOM:
333 print_string(PRINT_ANY,
334 "inet6_addr_gen_mode",
335 "addrgenmode %s ",
336 "random");
337 break;
338 default:
339 snprintf(b1, sizeof(b1), "%#.2hhx", mode);
340 print_string(PRINT_ANY,
341 "inet6_addr_gen_mode",
342 "addrgenmode %s ",
343 b1);
344 break;
345 }
346 }
347 }
348
349 static void print_vf_stats64(FILE *fp, struct rtattr *vfstats);
350
351 static void print_vfinfo(FILE *fp, struct rtattr *vfinfo)
352 {
353 struct ifla_vf_mac *vf_mac;
354 struct ifla_vf_tx_rate *vf_tx_rate;
355 struct rtattr *vf[IFLA_VF_MAX + 1] = {};
356
357 SPRINT_BUF(b1);
358
359 if (vfinfo->rta_type != IFLA_VF_INFO) {
360 fprintf(stderr, "BUG: rta type is %d\n", vfinfo->rta_type);
361 return;
362 }
363
364 parse_rtattr_nested(vf, IFLA_VF_MAX, vfinfo);
365
366 vf_mac = RTA_DATA(vf[IFLA_VF_MAC]);
367 vf_tx_rate = RTA_DATA(vf[IFLA_VF_TX_RATE]);
368
369 print_string(PRINT_FP, NULL, "%s ", _SL_);
370 print_int(PRINT_ANY, "vf", "vf %d ", vf_mac->vf);
371 print_string(PRINT_ANY, "mac", "MAC %s",
372 ll_addr_n2a((unsigned char *) &vf_mac->mac,
373 ETH_ALEN, 0, b1, sizeof(b1)));
374
375 if (vf[IFLA_VF_VLAN_LIST]) {
376 struct rtattr *i, *vfvlanlist = vf[IFLA_VF_VLAN_LIST];
377 int rem = RTA_PAYLOAD(vfvlanlist);
378
379 open_json_array(PRINT_JSON, "vlan_list");
380 for (i = RTA_DATA(vfvlanlist);
381 RTA_OK(i, rem); i = RTA_NEXT(i, rem)) {
382 struct ifla_vf_vlan_info *vf_vlan_info = RTA_DATA(i);
383 SPRINT_BUF(b2);
384
385 open_json_object(NULL);
386 if (vf_vlan_info->vlan)
387 print_int(PRINT_ANY,
388 "vlan",
389 ", vlan %d",
390 vf_vlan_info->vlan);
391 if (vf_vlan_info->qos)
392 print_int(PRINT_ANY,
393 "qos",
394 ", qos %d",
395 vf_vlan_info->qos);
396 if (vf_vlan_info->vlan_proto &&
397 vf_vlan_info->vlan_proto != htons(ETH_P_8021Q))
398 print_string(PRINT_ANY,
399 "protocol",
400 ", vlan protocol %s",
401 ll_proto_n2a(
402 vf_vlan_info->vlan_proto,
403 b2, sizeof(b2)));
404 close_json_object();
405 }
406 close_json_array(PRINT_JSON, NULL);
407 } else {
408 struct ifla_vf_vlan *vf_vlan = RTA_DATA(vf[IFLA_VF_VLAN]);
409
410 if (vf_vlan->vlan)
411 print_int(PRINT_ANY,
412 "vlan",
413 ", vlan %d",
414 vf_vlan->vlan);
415 if (vf_vlan->qos)
416 print_int(PRINT_ANY, "qos", ", qos %d", vf_vlan->qos);
417 }
418
419 if (vf_tx_rate->rate)
420 print_int(PRINT_ANY,
421 "tx_rate",
422 ", tx rate %d (Mbps)",
423 vf_tx_rate->rate);
424
425 if (vf[IFLA_VF_RATE]) {
426 struct ifla_vf_rate *vf_rate = RTA_DATA(vf[IFLA_VF_RATE]);
427 int max_tx = vf_rate->max_tx_rate;
428 int min_tx = vf_rate->min_tx_rate;
429
430 if (is_json_context()) {
431 open_json_object("rate");
432 print_int(PRINT_JSON, "max_tx", NULL, max_tx);
433 print_int(PRINT_ANY, "min_tx", NULL, min_tx);
434 close_json_object();
435 } else {
436 if (max_tx)
437 fprintf(fp, ", max_tx_rate %dMbps", max_tx);
438 if (min_tx)
439 fprintf(fp, ", min_tx_rate %dMbps", min_tx);
440 }
441 }
442
443 if (vf[IFLA_VF_SPOOFCHK]) {
444 struct ifla_vf_spoofchk *vf_spoofchk =
445 RTA_DATA(vf[IFLA_VF_SPOOFCHK]);
446
447 if (vf_spoofchk->setting != -1)
448 print_bool(PRINT_ANY,
449 "spoofchk",
450 vf_spoofchk->setting ?
451 ", spoof checking on" : ", spoof checking off",
452 vf_spoofchk->setting);
453 }
454
455 if (vf[IFLA_VF_LINK_STATE]) {
456 struct ifla_vf_link_state *vf_linkstate =
457 RTA_DATA(vf[IFLA_VF_LINK_STATE]);
458
459 if (vf_linkstate->link_state == IFLA_VF_LINK_STATE_AUTO)
460 print_string(PRINT_ANY,
461 "link_state",
462 ", link-state %s",
463 "auto");
464 else if (vf_linkstate->link_state == IFLA_VF_LINK_STATE_ENABLE)
465 print_string(PRINT_ANY,
466 "link_state",
467 ", link-state %s",
468 "enable");
469 else
470 print_string(PRINT_ANY,
471 "link_state",
472 ", link-state %s",
473 "disable");
474 }
475
476 if (vf[IFLA_VF_TRUST]) {
477 struct ifla_vf_trust *vf_trust = RTA_DATA(vf[IFLA_VF_TRUST]);
478
479 if (vf_trust->setting != -1)
480 print_bool(PRINT_ANY,
481 "trust",
482 vf_trust->setting ? ", trust on" : ", trust off",
483 vf_trust->setting);
484 }
485
486 if (vf[IFLA_VF_RSS_QUERY_EN]) {
487 struct ifla_vf_rss_query_en *rss_query =
488 RTA_DATA(vf[IFLA_VF_RSS_QUERY_EN]);
489
490 if (rss_query->setting != -1)
491 print_bool(PRINT_ANY,
492 "query_rss_en",
493 rss_query->setting ? ", query_rss on"
494 : ", query_rss off",
495 rss_query->setting);
496 }
497
498 if (vf[IFLA_VF_STATS] && show_stats)
499 print_vf_stats64(fp, vf[IFLA_VF_STATS]);
500 }
501
502 void print_num(FILE *fp, unsigned int width, uint64_t count)
503 {
504 const char *prefix = "kMGTPE";
505 const unsigned int base = use_iec ? 1024 : 1000;
506 uint64_t powi = 1;
507 uint16_t powj = 1;
508 uint8_t precision = 2;
509 char buf[64];
510
511 if (!human_readable || count < base) {
512 fprintf(fp, "%-*"PRIu64" ", width, count);
513 return;
514 }
515
516 /* increase value by a factor of 1000/1024 and print
517 * if result is something a human can read
518 */
519 for (;;) {
520 powi *= base;
521 if (count / base < powi)
522 break;
523
524 if (!prefix[1])
525 break;
526 ++prefix;
527 }
528
529 /* try to guess a good number of digits for precision */
530 for (; precision > 0; precision--) {
531 powj *= 10;
532 if (count / powi < powj)
533 break;
534 }
535
536 snprintf(buf, sizeof(buf), "%.*f%c%s", precision,
537 (double) count / powi, *prefix, use_iec ? "i" : "");
538
539 fprintf(fp, "%-*s ", width, buf);
540 }
541
542 static void print_vf_stats64(FILE *fp, struct rtattr *vfstats)
543 {
544 struct rtattr *vf[IFLA_VF_STATS_MAX + 1];
545
546 if (vfstats->rta_type != IFLA_VF_STATS) {
547 fprintf(stderr, "BUG: rta type is %d\n", vfstats->rta_type);
548 return;
549 }
550
551 parse_rtattr_nested(vf, IFLA_VF_MAX, vfstats);
552
553 if (is_json_context()) {
554 open_json_object("stats");
555
556 /* RX stats */
557 open_json_object("rx");
558 print_uint(PRINT_JSON, "bytes", NULL,
559 rta_getattr_u64(vf[IFLA_VF_STATS_RX_BYTES]));
560 print_uint(PRINT_JSON, "packets", NULL,
561 rta_getattr_u64(vf[IFLA_VF_STATS_RX_PACKETS]));
562 print_uint(PRINT_JSON, "multicast", NULL,
563 rta_getattr_u64(vf[IFLA_VF_STATS_MULTICAST]));
564 print_uint(PRINT_JSON, "broadcast", NULL,
565 rta_getattr_u64(vf[IFLA_VF_STATS_BROADCAST]));
566 close_json_object();
567
568 /* TX stats */
569 open_json_object("tx");
570 print_uint(PRINT_JSON, "tx_bytes", NULL,
571 rta_getattr_u64(vf[IFLA_VF_STATS_TX_BYTES]));
572 print_uint(PRINT_JSON, "tx_packets", NULL,
573 rta_getattr_u64(vf[IFLA_VF_STATS_TX_PACKETS]));
574 close_json_object();
575 close_json_object();
576 } else {
577 /* RX stats */
578 fprintf(fp, "%s", _SL_);
579 fprintf(fp, " RX: bytes packets mcast bcast %s", _SL_);
580 fprintf(fp, " ");
581
582 print_num(fp, 10, rta_getattr_u64(vf[IFLA_VF_STATS_RX_BYTES]));
583 print_num(fp, 8, rta_getattr_u64(vf[IFLA_VF_STATS_RX_PACKETS]));
584 print_num(fp, 7, rta_getattr_u64(vf[IFLA_VF_STATS_MULTICAST]));
585 print_num(fp, 7, rta_getattr_u64(vf[IFLA_VF_STATS_BROADCAST]));
586
587 /* TX stats */
588 fprintf(fp, "%s", _SL_);
589 fprintf(fp, " TX: bytes packets %s", _SL_);
590 fprintf(fp, " ");
591
592 print_num(fp, 10, rta_getattr_u64(vf[IFLA_VF_STATS_TX_BYTES]));
593 print_num(fp, 8, rta_getattr_u64(vf[IFLA_VF_STATS_TX_PACKETS]));
594 }
595 }
596
597 static void print_link_stats64(FILE *fp, const struct rtnl_link_stats64 *s,
598 const struct rtattr *carrier_changes)
599 {
600 if (is_json_context()) {
601 open_json_object("stats644");
602
603 /* RX stats */
604 open_json_object("rx");
605 print_uint(PRINT_JSON, "bytes", NULL, s->rx_bytes);
606 print_uint(PRINT_JSON, "packets", NULL, s->rx_packets);
607 print_uint(PRINT_JSON, "errors", NULL, s->rx_errors);
608 print_uint(PRINT_JSON, "dropped", NULL, s->rx_dropped);
609 print_uint(PRINT_JSON, "over_errors", NULL, s->rx_over_errors);
610 print_uint(PRINT_JSON, "multicast", NULL, s->multicast);
611 if (s->rx_compressed)
612 print_uint(PRINT_JSON,
613 "compressed",
614 NULL, s->rx_compressed);
615
616 /* RX error stats */
617 if (show_stats > 1) {
618 print_uint(PRINT_JSON,
619 "length_errors",
620 NULL, s->rx_length_errors);
621 print_uint(PRINT_JSON,
622 "crc_errors",
623 NULL, s->rx_crc_errors);
624 print_uint(PRINT_JSON,
625 "frame_errors",
626 NULL, s->rx_frame_errors);
627 print_uint(PRINT_JSON,
628 "fifo_errors",
629 NULL, s->rx_fifo_errors);
630 print_uint(PRINT_JSON,
631 "missed_errors",
632 NULL, s->rx_missed_errors);
633 if (s->rx_nohandler)
634 print_uint(PRINT_JSON,
635 "nohandler", NULL, s->rx_nohandler);
636 }
637 close_json_object();
638
639 /* TX stats */
640 open_json_object("tx");
641 print_uint(PRINT_JSON, "bytes", NULL, s->tx_bytes);
642 print_uint(PRINT_JSON, "packets", NULL, s->tx_packets);
643 print_uint(PRINT_JSON, "errors", NULL, s->tx_errors);
644 print_uint(PRINT_JSON, "dropped", NULL, s->tx_dropped);
645 print_uint(PRINT_JSON,
646 "carrier_errors",
647 NULL, s->tx_carrier_errors);
648 print_uint(PRINT_JSON, "collisions", NULL, s->collisions);
649 if (s->tx_compressed)
650 print_uint(PRINT_JSON,
651 "compressed",
652 NULL, s->tx_compressed);
653
654 /* TX error stats */
655 if (show_stats > 1) {
656 print_uint(PRINT_JSON,
657 "aborted_errors",
658 NULL, s->tx_aborted_errors);
659 print_uint(PRINT_JSON,
660 "fifo_errors",
661 NULL, s->tx_fifo_errors);
662 print_uint(PRINT_JSON,
663 "window_errors",
664 NULL, s->tx_window_errors);
665 print_uint(PRINT_JSON,
666 "heartbeat_errors",
667 NULL, s->tx_heartbeat_errors);
668 if (carrier_changes)
669 print_uint(PRINT_JSON, "carrier_changes", NULL,
670 rta_getattr_u32(carrier_changes));
671 }
672 close_json_object();
673 close_json_object();
674
675 } else {
676 /* RX stats */
677 fprintf(fp, " RX: bytes packets errors dropped overrun mcast %s%s",
678 s->rx_compressed ? "compressed" : "", _SL_);
679
680 fprintf(fp, " ");
681 print_num(fp, 10, s->rx_bytes);
682 print_num(fp, 8, s->rx_packets);
683 print_num(fp, 7, s->rx_errors);
684 print_num(fp, 7, s->rx_dropped);
685 print_num(fp, 7, s->rx_over_errors);
686 print_num(fp, 7, s->multicast);
687 if (s->rx_compressed)
688 print_num(fp, 7, s->rx_compressed);
689
690 /* RX error stats */
691 if (show_stats > 1) {
692 fprintf(fp, "%s", _SL_);
693 fprintf(fp, " RX errors: length crc frame fifo missed%s%s",
694 s->rx_nohandler ? " nohandler" : "", _SL_);
695
696 fprintf(fp, " ");
697 print_num(fp, 8, s->rx_length_errors);
698 print_num(fp, 7, s->rx_crc_errors);
699 print_num(fp, 7, s->rx_frame_errors);
700 print_num(fp, 7, s->rx_fifo_errors);
701 print_num(fp, 7, s->rx_missed_errors);
702 if (s->rx_nohandler)
703 print_num(fp, 7, s->rx_nohandler);
704
705 }
706 fprintf(fp, "%s", _SL_);
707
708 /* TX stats */
709 fprintf(fp, " TX: bytes packets errors dropped carrier collsns %s%s",
710 s->tx_compressed ? "compressed" : "", _SL_);
711
712 fprintf(fp, " ");
713 print_num(fp, 10, s->tx_bytes);
714 print_num(fp, 8, s->tx_packets);
715 print_num(fp, 7, s->tx_errors);
716 print_num(fp, 7, s->tx_dropped);
717 print_num(fp, 7, s->tx_carrier_errors);
718 print_num(fp, 7, s->collisions);
719 if (s->tx_compressed)
720 print_num(fp, 7, s->tx_compressed);
721
722 /* TX error stats */
723 if (show_stats > 1) {
724 fprintf(fp, "%s", _SL_);
725 fprintf(fp, " TX errors: aborted fifo window heartbeat");
726 if (carrier_changes)
727 fprintf(fp, " transns");
728 fprintf(fp, "%s", _SL_);
729
730 fprintf(fp, " ");
731 print_num(fp, 8, s->tx_aborted_errors);
732 print_num(fp, 7, s->tx_fifo_errors);
733 print_num(fp, 7, s->tx_window_errors);
734 print_num(fp, 7, s->tx_heartbeat_errors);
735 if (carrier_changes)
736 print_num(fp, 7,
737 rta_getattr_u32(carrier_changes));
738 }
739 }
740 }
741
742 static void print_link_stats32(FILE *fp, const struct rtnl_link_stats *s,
743 const struct rtattr *carrier_changes)
744 {
745 if (is_json_context()) {
746 open_json_object("stats");
747
748 /* RX stats */
749 open_json_object("rx");
750 print_uint(PRINT_JSON, "bytes", NULL, s->rx_bytes);
751 print_uint(PRINT_JSON, "packets", NULL, s->rx_packets);
752 print_uint(PRINT_JSON, "errors", NULL, s->rx_errors);
753 print_uint(PRINT_JSON, "dropped", NULL, s->rx_dropped);
754 print_uint(PRINT_JSON, "over_errors", NULL, s->rx_over_errors);
755 print_uint(PRINT_JSON, "multicast", NULL, s->multicast);
756 if (s->rx_compressed)
757 print_int(PRINT_JSON,
758 "compressed",
759 NULL, s->rx_compressed);
760
761 /* RX error stats */
762 if (show_stats > 1) {
763 print_uint(PRINT_JSON,
764 "length_errors",
765 NULL, s->rx_length_errors);
766 print_uint(PRINT_JSON,
767 "crc_errors",
768 NULL, s->rx_crc_errors);
769 print_uint(PRINT_JSON,
770 "frame_errors",
771 NULL, s->rx_frame_errors);
772 print_uint(PRINT_JSON,
773 "fifo_errors",
774 NULL, s->rx_fifo_errors);
775 print_uint(PRINT_JSON,
776 "missed_errors",
777 NULL, s->rx_missed_errors);
778 if (s->rx_nohandler)
779 print_int(PRINT_JSON,
780 "nohandler",
781 NULL, s->rx_nohandler);
782 }
783 close_json_object();
784
785 /* TX stats */
786 open_json_object("tx");
787 print_uint(PRINT_JSON, "bytes", NULL, s->tx_bytes);
788 print_uint(PRINT_JSON, "packets", NULL, s->tx_packets);
789 print_uint(PRINT_JSON, "errors", NULL, s->tx_errors);
790 print_uint(PRINT_JSON, "dropped", NULL, s->tx_dropped);
791 print_uint(PRINT_JSON,
792 "carrier_errors",
793 NULL, s->tx_carrier_errors);
794 print_uint(PRINT_JSON, "collisions", NULL, s->collisions);
795 if (s->tx_compressed)
796 print_int(PRINT_JSON,
797 "compressed",
798 NULL, s->tx_compressed);
799
800 /* TX error stats */
801 if (show_stats > 1) {
802 print_uint(PRINT_JSON,
803 "aborted_errors",
804 NULL, s->tx_aborted_errors);
805 print_uint(PRINT_JSON,
806 "fifo_errors",
807 NULL, s->tx_fifo_errors);
808 print_uint(PRINT_JSON,
809 "window_errors",
810 NULL, s->tx_window_errors);
811 print_uint(PRINT_JSON,
812 "heartbeat_errors",
813 NULL, s->tx_heartbeat_errors);
814 if (carrier_changes)
815 print_uint(PRINT_JSON,
816 "carrier_changes",
817 NULL,
818 rta_getattr_u32(carrier_changes));
819 }
820
821 close_json_object();
822 close_json_object();
823 } else {
824 /* RX stats */
825 fprintf(fp, " RX: bytes packets errors dropped overrun mcast %s%s",
826 s->rx_compressed ? "compressed" : "", _SL_);
827
828
829 fprintf(fp, " ");
830 print_num(fp, 10, s->rx_bytes);
831 print_num(fp, 8, s->rx_packets);
832 print_num(fp, 7, s->rx_errors);
833 print_num(fp, 7, s->rx_dropped);
834 print_num(fp, 7, s->rx_over_errors);
835 print_num(fp, 7, s->multicast);
836 if (s->rx_compressed)
837 print_num(fp, 7, s->rx_compressed);
838
839 /* RX error stats */
840 if (show_stats > 1) {
841 fprintf(fp, "%s", _SL_);
842 fprintf(fp, " RX errors: length crc frame fifo missed%s%s",
843 s->rx_nohandler ? " nohandler" : "", _SL_);
844 fprintf(fp, " ");
845 print_num(fp, 8, s->rx_length_errors);
846 print_num(fp, 7, s->rx_crc_errors);
847 print_num(fp, 7, s->rx_frame_errors);
848 print_num(fp, 7, s->rx_fifo_errors);
849 print_num(fp, 7, s->rx_missed_errors);
850 if (s->rx_nohandler)
851 print_num(fp, 7, s->rx_nohandler);
852 }
853 fprintf(fp, "%s", _SL_);
854
855 /* TX stats */
856 fprintf(fp, " TX: bytes packets errors dropped carrier collsns %s%s",
857 s->tx_compressed ? "compressed" : "", _SL_);
858
859 fprintf(fp, " ");
860 print_num(fp, 10, s->tx_bytes);
861 print_num(fp, 8, s->tx_packets);
862 print_num(fp, 7, s->tx_errors);
863 print_num(fp, 7, s->tx_dropped);
864 print_num(fp, 7, s->tx_carrier_errors);
865 print_num(fp, 7, s->collisions);
866 if (s->tx_compressed)
867 print_num(fp, 7, s->tx_compressed);
868
869 /* TX error stats */
870 if (show_stats > 1) {
871 fprintf(fp, "%s", _SL_);
872 fprintf(fp, " TX errors: aborted fifo window heartbeat");
873 if (carrier_changes)
874 fprintf(fp, " transns");
875 fprintf(fp, "%s", _SL_);
876
877 fprintf(fp, " ");
878 print_num(fp, 8, s->tx_aborted_errors);
879 print_num(fp, 7, s->tx_fifo_errors);
880 print_num(fp, 7, s->tx_window_errors);
881 print_num(fp, 7, s->tx_heartbeat_errors);
882 if (carrier_changes)
883 print_num(fp, 7,
884 rta_getattr_u32(carrier_changes));
885 }
886 }
887 }
888
889 static void __print_link_stats(FILE *fp, struct rtattr **tb)
890 {
891 const struct rtattr *carrier_changes = tb[IFLA_CARRIER_CHANGES];
892
893 if (tb[IFLA_STATS64]) {
894 struct rtnl_link_stats64 stats = { 0 };
895
896 memcpy(&stats, RTA_DATA(tb[IFLA_STATS64]),
897 MIN(RTA_PAYLOAD(tb[IFLA_STATS64]), sizeof(stats)));
898
899 print_link_stats64(fp, &stats, carrier_changes);
900 } else if (tb[IFLA_STATS]) {
901 struct rtnl_link_stats stats = { 0 };
902
903 memcpy(&stats, RTA_DATA(tb[IFLA_STATS]),
904 MIN(RTA_PAYLOAD(tb[IFLA_STATS]), sizeof(stats)));
905
906 print_link_stats32(fp, &stats, carrier_changes);
907 }
908 }
909
910 static void print_link_stats(FILE *fp, struct nlmsghdr *n)
911 {
912 struct ifinfomsg *ifi = NLMSG_DATA(n);
913 struct rtattr *tb[IFLA_MAX+1];
914
915 parse_rtattr(tb, IFLA_MAX, IFLA_RTA(ifi),
916 n->nlmsg_len - NLMSG_LENGTH(sizeof(*ifi)));
917 __print_link_stats(fp, tb);
918 fprintf(fp, "%s", _SL_);
919 }
920
921 int print_linkinfo_brief(const struct sockaddr_nl *who,
922 struct nlmsghdr *n, void *arg,
923 struct link_filter *pfilter)
924 {
925 FILE *fp = (FILE *)arg;
926 struct ifinfomsg *ifi = NLMSG_DATA(n);
927 struct rtattr *tb[IFLA_MAX+1];
928 int len = n->nlmsg_len;
929 const char *name;
930 char buf[32] = { 0, };
931 unsigned int m_flag = 0;
932
933 if (n->nlmsg_type != RTM_NEWLINK && n->nlmsg_type != RTM_DELLINK)
934 return -1;
935
936 len -= NLMSG_LENGTH(sizeof(*ifi));
937 if (len < 0)
938 return -1;
939
940 if (!pfilter)
941 pfilter = &filter;
942
943 if (pfilter->ifindex && ifi->ifi_index != pfilter->ifindex)
944 return -1;
945 if (pfilter->up && !(ifi->ifi_flags&IFF_UP))
946 return -1;
947
948 parse_rtattr(tb, IFLA_MAX, IFLA_RTA(ifi), len);
949 if (tb[IFLA_IFNAME] == NULL) {
950 fprintf(stderr, "BUG: device with ifindex %d has nil ifname\n", ifi->ifi_index);
951 name = "<nil>";
952 } else {
953 name = rta_getattr_str(tb[IFLA_IFNAME]);
954 }
955
956 if (pfilter->label &&
957 (!pfilter->family || pfilter->family == AF_PACKET) &&
958 fnmatch(pfilter->label, RTA_DATA(tb[IFLA_IFNAME]), 0))
959 return -1;
960
961 if (tb[IFLA_GROUP]) {
962 int group = rta_getattr_u32(tb[IFLA_GROUP]);
963
964 if (pfilter->group != -1 && group != pfilter->group)
965 return -1;
966 }
967
968 if (tb[IFLA_MASTER]) {
969 int master = rta_getattr_u32(tb[IFLA_MASTER]);
970
971 if (pfilter->master > 0 && master != pfilter->master)
972 return -1;
973 } else if (pfilter->master > 0)
974 return -1;
975
976 if (pfilter->kind && match_link_kind(tb, pfilter->kind, 0))
977 return -1;
978
979 if (pfilter->slave_kind && match_link_kind(tb, pfilter->slave_kind, 1))
980 return -1;
981
982 if (n->nlmsg_type == RTM_DELLINK)
983 print_bool(PRINT_ANY, "deleted", "Deleted ", true);
984
985 if (tb[IFLA_LINK]) {
986 SPRINT_BUF(b1);
987 int iflink = rta_getattr_u32(tb[IFLA_LINK]);
988
989 if (iflink == 0) {
990 snprintf(buf, sizeof(buf), "%s@NONE", name);
991 print_null(PRINT_JSON, "link", NULL, NULL);
992 } else {
993 const char *link = ll_idx_n2a(iflink, b1);
994
995 print_string(PRINT_JSON, "link", NULL, link);
996 snprintf(buf, sizeof(buf), "%s@%s", name, link);
997 m_flag = ll_index_to_flags(iflink);
998 m_flag = !(m_flag & IFF_UP);
999 }
1000 } else
1001 snprintf(buf, sizeof(buf), "%s", name);
1002
1003 print_string(PRINT_FP, NULL, "%-16s ", buf);
1004 print_string(PRINT_JSON, "ifname", NULL, name);
1005
1006 if (tb[IFLA_OPERSTATE])
1007 print_operstate(fp, rta_getattr_u8(tb[IFLA_OPERSTATE]));
1008
1009 if (pfilter->family == AF_PACKET) {
1010 SPRINT_BUF(b1);
1011
1012 if (tb[IFLA_ADDRESS]) {
1013 print_color_string(PRINT_ANY, COLOR_MAC,
1014 "address", "%s ",
1015 ll_addr_n2a(
1016 RTA_DATA(tb[IFLA_ADDRESS]),
1017 RTA_PAYLOAD(tb[IFLA_ADDRESS]),
1018 ifi->ifi_type,
1019 b1, sizeof(b1)));
1020 }
1021 }
1022
1023 if (pfilter->family == AF_PACKET) {
1024 print_link_flags(fp, ifi->ifi_flags, m_flag);
1025 print_string(PRINT_FP, NULL, "%s", "\n");
1026 }
1027 fflush(fp);
1028 return 0;
1029 }
1030
1031 static const char *link_events[] = {
1032 [IFLA_EVENT_NONE] = "NONE",
1033 [IFLA_EVENT_REBOOT] = "REBOOT",
1034 [IFLA_EVENT_FEATURES] = "FEATURE CHANGE",
1035 [IFLA_EVENT_BONDING_FAILOVER] = "BONDING FAILOVER",
1036 [IFLA_EVENT_NOTIFY_PEERS] = "NOTIFY PEERS",
1037 [IFLA_EVENT_IGMP_RESEND] = "RESEND IGMP",
1038 [IFLA_EVENT_BONDING_OPTIONS] = "BONDING OPTION"
1039 };
1040
1041 static void print_link_event(FILE *f, __u32 event)
1042 {
1043 if (event >= ARRAY_SIZE(link_events))
1044 print_int(PRINT_ANY, "event", "event %d ", event);
1045 else {
1046 if (event)
1047 print_string(PRINT_ANY,
1048 "event", "event %s ",
1049 link_events[event]);
1050 }
1051 }
1052
1053 int print_linkinfo(const struct sockaddr_nl *who,
1054 struct nlmsghdr *n, void *arg)
1055 {
1056 FILE *fp = (FILE *)arg;
1057 struct ifinfomsg *ifi = NLMSG_DATA(n);
1058 struct rtattr *tb[IFLA_MAX+1];
1059 int len = n->nlmsg_len;
1060 unsigned int m_flag = 0;
1061
1062 if (n->nlmsg_type != RTM_NEWLINK && n->nlmsg_type != RTM_DELLINK)
1063 return 0;
1064
1065 len -= NLMSG_LENGTH(sizeof(*ifi));
1066 if (len < 0)
1067 return -1;
1068
1069 if (filter.ifindex && ifi->ifi_index != filter.ifindex)
1070 return 0;
1071 if (filter.up && !(ifi->ifi_flags&IFF_UP))
1072 return 0;
1073
1074 parse_rtattr(tb, IFLA_MAX, IFLA_RTA(ifi), len);
1075 if (tb[IFLA_IFNAME] == NULL)
1076 fprintf(stderr, "BUG: device with ifindex %d has nil ifname\n", ifi->ifi_index);
1077
1078 if (filter.label &&
1079 (!filter.family || filter.family == AF_PACKET) &&
1080 fnmatch(filter.label, RTA_DATA(tb[IFLA_IFNAME]), 0))
1081 return 0;
1082
1083 if (tb[IFLA_GROUP]) {
1084 int group = rta_getattr_u32(tb[IFLA_GROUP]);
1085
1086 if (filter.group != -1 && group != filter.group)
1087 return -1;
1088 }
1089
1090 if (tb[IFLA_MASTER]) {
1091 int master = rta_getattr_u32(tb[IFLA_MASTER]);
1092
1093 if (filter.master > 0 && master != filter.master)
1094 return -1;
1095 } else if (filter.master > 0)
1096 return -1;
1097
1098 if (filter.kind && match_link_kind(tb, filter.kind, 0))
1099 return -1;
1100
1101 if (filter.slave_kind && match_link_kind(tb, filter.slave_kind, 1))
1102 return -1;
1103
1104 if (n->nlmsg_type == RTM_DELLINK)
1105 print_bool(PRINT_ANY, "deleted", "Deleted ", true);
1106
1107 print_int(PRINT_ANY, "ifindex", "%d: ", ifi->ifi_index);
1108 if (tb[IFLA_IFNAME]) {
1109 print_color_string(PRINT_ANY,
1110 COLOR_IFNAME,
1111 "ifname", "%s",
1112 rta_getattr_str(tb[IFLA_IFNAME]));
1113 } else {
1114 print_null(PRINT_JSON, "ifname", NULL, NULL);
1115 print_color_null(PRINT_FP, COLOR_IFNAME,
1116 "ifname", "%s", "<nil>");
1117 }
1118
1119 if (tb[IFLA_LINK]) {
1120 int iflink = rta_getattr_u32(tb[IFLA_LINK]);
1121
1122 if (iflink == 0)
1123 print_null(PRINT_ANY, "link", "@%s: ", "NONE");
1124 else {
1125 if (tb[IFLA_LINK_NETNSID])
1126 print_int(PRINT_ANY,
1127 "link_index", "@if%d: ", iflink);
1128 else {
1129 SPRINT_BUF(b1);
1130
1131 print_string(PRINT_ANY,
1132 "link",
1133 "@%s: ",
1134 ll_idx_n2a(iflink, b1));
1135 m_flag = ll_index_to_flags(iflink);
1136 m_flag = !(m_flag & IFF_UP);
1137 }
1138 }
1139 } else {
1140 print_string(PRINT_FP, NULL, ": ", NULL);
1141 }
1142 print_link_flags(fp, ifi->ifi_flags, m_flag);
1143
1144 if (tb[IFLA_MTU])
1145 print_int(PRINT_ANY,
1146 "mtu", "mtu %u ",
1147 rta_getattr_u32(tb[IFLA_MTU]));
1148 if (tb[IFLA_XDP])
1149 xdp_dump(fp, tb[IFLA_XDP], do_link, false);
1150 if (tb[IFLA_QDISC])
1151 print_string(PRINT_ANY,
1152 "qdisc",
1153 "qdisc %s ",
1154 rta_getattr_str(tb[IFLA_QDISC]));
1155 if (tb[IFLA_MASTER]) {
1156 SPRINT_BUF(b1);
1157
1158 print_string(PRINT_ANY,
1159 "master",
1160 "master %s ",
1161 ll_idx_n2a(rta_getattr_u32(tb[IFLA_MASTER]), b1));
1162 }
1163
1164 if (tb[IFLA_OPERSTATE])
1165 print_operstate(fp, rta_getattr_u8(tb[IFLA_OPERSTATE]));
1166
1167 if (do_link && tb[IFLA_LINKMODE])
1168 print_linkmode(fp, tb[IFLA_LINKMODE]);
1169
1170 if (tb[IFLA_GROUP]) {
1171 SPRINT_BUF(b1);
1172 int group = rta_getattr_u32(tb[IFLA_GROUP]);
1173
1174 print_string(PRINT_ANY,
1175 "group",
1176 "group %s ",
1177 rtnl_group_n2a(group, b1, sizeof(b1)));
1178 }
1179
1180 if (filter.showqueue)
1181 print_queuelen(fp, tb);
1182
1183 if (tb[IFLA_EVENT])
1184 print_link_event(fp, rta_getattr_u32(tb[IFLA_EVENT]));
1185
1186 if (!filter.family || filter.family == AF_PACKET || show_details) {
1187 SPRINT_BUF(b1);
1188
1189 print_string(PRINT_FP, NULL, "%s", _SL_);
1190 print_string(PRINT_ANY,
1191 "link_type",
1192 " link/%s ",
1193 ll_type_n2a(ifi->ifi_type, b1, sizeof(b1)));
1194 if (tb[IFLA_ADDRESS]) {
1195 print_color_string(PRINT_ANY,
1196 COLOR_MAC,
1197 "address",
1198 "%s",
1199 ll_addr_n2a(RTA_DATA(tb[IFLA_ADDRESS]),
1200 RTA_PAYLOAD(tb[IFLA_ADDRESS]),
1201 ifi->ifi_type,
1202 b1, sizeof(b1)));
1203 }
1204 if (tb[IFLA_BROADCAST]) {
1205 if (ifi->ifi_flags&IFF_POINTOPOINT) {
1206 print_string(PRINT_FP, NULL, " peer ", NULL);
1207 print_bool(PRINT_JSON,
1208 "link_pointtopoint", NULL, true);
1209 } else {
1210 print_string(PRINT_FP, NULL, " brd ", NULL);
1211 }
1212 print_color_string(PRINT_ANY,
1213 COLOR_MAC,
1214 "broadcast",
1215 "%s",
1216 ll_addr_n2a(RTA_DATA(tb[IFLA_BROADCAST]),
1217 RTA_PAYLOAD(tb[IFLA_BROADCAST]),
1218 ifi->ifi_type,
1219 b1, sizeof(b1)));
1220 }
1221 }
1222
1223 if (tb[IFLA_LINK_NETNSID]) {
1224 int id = rta_getattr_u32(tb[IFLA_LINK_NETNSID]);
1225
1226 if (is_json_context()) {
1227 print_int(PRINT_JSON, "link_netnsid", NULL, id);
1228 } else {
1229 if (id >= 0)
1230 print_int(PRINT_FP, NULL,
1231 " link-netnsid %d", id);
1232 else
1233 print_string(PRINT_FP, NULL,
1234 " link-netnsid %s", "unknown");
1235 }
1236 }
1237
1238 if (tb[IFLA_PROTO_DOWN]) {
1239 if (rta_getattr_u8(tb[IFLA_PROTO_DOWN]))
1240 print_bool(PRINT_ANY,
1241 "proto_down", " protodown on ", true);
1242 }
1243
1244 if (show_details) {
1245 if (tb[IFLA_PROMISCUITY])
1246 print_uint(PRINT_ANY,
1247 "promiscuity",
1248 " promiscuity %u ",
1249 rta_getattr_u32(tb[IFLA_PROMISCUITY]));
1250
1251 if (tb[IFLA_LINKINFO])
1252 print_linktype(fp, tb[IFLA_LINKINFO]);
1253
1254 if (do_link && tb[IFLA_AF_SPEC])
1255 print_af_spec(fp, tb[IFLA_AF_SPEC]);
1256
1257 if (tb[IFLA_NUM_TX_QUEUES])
1258 print_uint(PRINT_ANY,
1259 "num_tx_queues",
1260 "numtxqueues %u ",
1261 rta_getattr_u32(tb[IFLA_NUM_TX_QUEUES]));
1262
1263 if (tb[IFLA_NUM_RX_QUEUES])
1264 print_uint(PRINT_ANY,
1265 "num_rx_queues",
1266 "numrxqueues %u ",
1267 rta_getattr_u32(tb[IFLA_NUM_RX_QUEUES]));
1268
1269 if (tb[IFLA_GSO_MAX_SIZE])
1270 print_uint(PRINT_ANY,
1271 "gso_max_size",
1272 "gso_max_size %u ",
1273 rta_getattr_u32(tb[IFLA_GSO_MAX_SIZE]));
1274
1275 if (tb[IFLA_GSO_MAX_SEGS])
1276 print_uint(PRINT_ANY,
1277 "gso_max_segs",
1278 "gso_max_segs %u ",
1279 rta_getattr_u32(tb[IFLA_GSO_MAX_SEGS]));
1280
1281 if (tb[IFLA_PHYS_PORT_NAME])
1282 print_string(PRINT_ANY,
1283 "phys_port_name",
1284 "portname %s ",
1285 rta_getattr_str(tb[IFLA_PHYS_PORT_NAME]));
1286
1287 if (tb[IFLA_PHYS_PORT_ID]) {
1288 SPRINT_BUF(b1);
1289 print_string(PRINT_ANY,
1290 "phys_port_id",
1291 "portid %s ",
1292 hexstring_n2a(
1293 RTA_DATA(tb[IFLA_PHYS_PORT_ID]),
1294 RTA_PAYLOAD(tb[IFLA_PHYS_PORT_ID]),
1295 b1, sizeof(b1)));
1296 }
1297
1298 if (tb[IFLA_PHYS_SWITCH_ID]) {
1299 SPRINT_BUF(b1);
1300 print_string(PRINT_ANY,
1301 "phys_switch_id",
1302 "switchid %s ",
1303 hexstring_n2a(RTA_DATA(tb[IFLA_PHYS_SWITCH_ID]),
1304 RTA_PAYLOAD(tb[IFLA_PHYS_SWITCH_ID]),
1305 b1, sizeof(b1)));
1306 }
1307 }
1308
1309 if ((do_link || show_details) && tb[IFLA_IFALIAS]) {
1310 print_string(PRINT_FP, NULL, "%s ", _SL_);
1311 print_string(PRINT_ANY,
1312 "ifalias",
1313 "alias %s",
1314 rta_getattr_str(tb[IFLA_IFALIAS]));
1315 }
1316
1317 if ((do_link || show_details) && tb[IFLA_XDP])
1318 xdp_dump(fp, tb[IFLA_XDP], true, true);
1319
1320 if (do_link && show_stats) {
1321 print_string(PRINT_FP, NULL, "%s", _SL_);
1322 __print_link_stats(fp, tb);
1323 }
1324
1325 if ((do_link || show_details) && tb[IFLA_VFINFO_LIST] && tb[IFLA_NUM_VF]) {
1326 struct rtattr *i, *vflist = tb[IFLA_VFINFO_LIST];
1327 int rem = RTA_PAYLOAD(vflist);
1328
1329 open_json_array(PRINT_JSON, "vfinfo_list");
1330 for (i = RTA_DATA(vflist); RTA_OK(i, rem); i = RTA_NEXT(i, rem)) {
1331 open_json_object(NULL);
1332 print_vfinfo(fp, i);
1333 close_json_object();
1334 }
1335 close_json_array(PRINT_JSON, NULL);
1336 }
1337
1338 print_string(PRINT_FP, NULL, "\n", NULL);
1339 fflush(fp);
1340 return 1;
1341 }
1342
1343 static int flush_update(void)
1344 {
1345
1346 /*
1347 * Note that the kernel may delete multiple addresses for one
1348 * delete request (e.g. if ipv4 address promotion is disabled).
1349 * Since a flush operation is really a series of delete requests
1350 * its possible that we may request an address delete that has
1351 * already been done by the kernel. Therefore, ignore EADDRNOTAVAIL
1352 * errors returned from a flush request
1353 */
1354 if ((rtnl_send_check(&rth, filter.flushb, filter.flushp) < 0) &&
1355 (errno != EADDRNOTAVAIL)) {
1356 perror("Failed to send flush request");
1357 return -1;
1358 }
1359 filter.flushp = 0;
1360 return 0;
1361 }
1362
1363 static int set_lifetime(unsigned int *lifetime, char *argv)
1364 {
1365 if (strcmp(argv, "forever") == 0)
1366 *lifetime = INFINITY_LIFE_TIME;
1367 else if (get_u32(lifetime, argv, 0))
1368 return -1;
1369
1370 return 0;
1371 }
1372
1373 static unsigned int get_ifa_flags(struct ifaddrmsg *ifa,
1374 struct rtattr *ifa_flags_attr)
1375 {
1376 return ifa_flags_attr ? rta_getattr_u32(ifa_flags_attr) :
1377 ifa->ifa_flags;
1378 }
1379
1380 /* Mapping from argument to address flag mask */
1381 struct {
1382 const char *name;
1383 unsigned long value;
1384 } ifa_flag_names[] = {
1385 { "secondary", IFA_F_SECONDARY },
1386 { "temporary", IFA_F_SECONDARY },
1387 { "nodad", IFA_F_NODAD },
1388 { "optimistic", IFA_F_OPTIMISTIC },
1389 { "dadfailed", IFA_F_DADFAILED },
1390 { "home", IFA_F_HOMEADDRESS },
1391 { "deprecated", IFA_F_DEPRECATED },
1392 { "tentative", IFA_F_TENTATIVE },
1393 { "permanent", IFA_F_PERMANENT },
1394 { "mngtmpaddr", IFA_F_MANAGETEMPADDR },
1395 { "noprefixroute", IFA_F_NOPREFIXROUTE },
1396 { "autojoin", IFA_F_MCAUTOJOIN },
1397 { "stable-privacy", IFA_F_STABLE_PRIVACY },
1398 };
1399
1400 static void print_ifa_flags(FILE *fp, const struct ifaddrmsg *ifa,
1401 unsigned int flags)
1402 {
1403 unsigned int i;
1404
1405 for (i = 0; i < ARRAY_SIZE(ifa_flag_names); i++) {
1406 unsigned long mask = ifa_flag_names[i].value;
1407
1408 if (mask == IFA_F_PERMANENT) {
1409 if (!(flags & mask))
1410 print_bool(PRINT_ANY,
1411 "dynamic", "dynamic ", true);
1412 } else if (flags & mask) {
1413 if (mask == IFA_F_SECONDARY &&
1414 ifa->ifa_family == AF_INET6) {
1415 print_bool(PRINT_ANY,
1416 "temporary", "temporary ", true);
1417 } else {
1418 print_string(PRINT_FP, NULL,
1419 "%s ", ifa_flag_names[i].name);
1420 print_bool(PRINT_JSON,
1421 ifa_flag_names[i].name, NULL, true);
1422 }
1423 }
1424
1425 flags &= ~mask;
1426 }
1427
1428 if (flags) {
1429 if (is_json_context()) {
1430 SPRINT_BUF(b1);
1431
1432 snprintf(b1, sizeof(b1), "%02x", flags);
1433 print_string(PRINT_JSON, "ifa_flags", NULL, b1);
1434 } else {
1435 fprintf(fp, "flags %02x ", flags);
1436 }
1437 }
1438
1439 }
1440
1441 static int get_filter(const char *arg)
1442 {
1443 unsigned int i;
1444
1445 /* Special cases */
1446 if (strcmp(arg, "dynamic") == 0) {
1447 filter.flags &= ~IFA_F_PERMANENT;
1448 filter.flagmask |= IFA_F_PERMANENT;
1449 } else if (strcmp(arg, "primary") == 0) {
1450 filter.flags &= ~IFA_F_SECONDARY;
1451 filter.flagmask |= IFA_F_SECONDARY;
1452 } else if (*arg == '-') {
1453 for (i = 0; i < ARRAY_SIZE(ifa_flag_names); i++) {
1454 if (strcmp(arg + 1, ifa_flag_names[i].name))
1455 continue;
1456
1457 filter.flags &= ifa_flag_names[i].value;
1458 filter.flagmask |= ifa_flag_names[i].value;
1459 return 0;
1460 }
1461
1462 return -1;
1463 } else {
1464 for (i = 0; i < ARRAY_SIZE(ifa_flag_names); i++) {
1465 if (strcmp(arg, ifa_flag_names[i].name))
1466 continue;
1467 filter.flags |= ifa_flag_names[i].value;
1468 filter.flagmask |= ifa_flag_names[i].value;
1469 return 0;
1470 }
1471 return -1;
1472 }
1473
1474 return 0;
1475 }
1476
1477 int print_addrinfo(const struct sockaddr_nl *who, struct nlmsghdr *n,
1478 void *arg)
1479 {
1480 FILE *fp = arg;
1481 struct ifaddrmsg *ifa = NLMSG_DATA(n);
1482 int len = n->nlmsg_len;
1483 unsigned int ifa_flags;
1484 struct rtattr *rta_tb[IFA_MAX+1];
1485
1486 SPRINT_BUF(b1);
1487
1488 if (n->nlmsg_type != RTM_NEWADDR && n->nlmsg_type != RTM_DELADDR)
1489 return 0;
1490 len -= NLMSG_LENGTH(sizeof(*ifa));
1491 if (len < 0) {
1492 fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
1493 return -1;
1494 }
1495
1496 if (filter.flushb && n->nlmsg_type != RTM_NEWADDR)
1497 return 0;
1498
1499 parse_rtattr(rta_tb, IFA_MAX, IFA_RTA(ifa),
1500 n->nlmsg_len - NLMSG_LENGTH(sizeof(*ifa)));
1501
1502 ifa_flags = get_ifa_flags(ifa, rta_tb[IFA_FLAGS]);
1503
1504 if (!rta_tb[IFA_LOCAL])
1505 rta_tb[IFA_LOCAL] = rta_tb[IFA_ADDRESS];
1506 if (!rta_tb[IFA_ADDRESS])
1507 rta_tb[IFA_ADDRESS] = rta_tb[IFA_LOCAL];
1508
1509 if (filter.ifindex && filter.ifindex != ifa->ifa_index)
1510 return 0;
1511 if ((filter.scope^ifa->ifa_scope)&filter.scopemask)
1512 return 0;
1513 if ((filter.flags ^ ifa_flags) & filter.flagmask)
1514 return 0;
1515 if (filter.label) {
1516 SPRINT_BUF(b1);
1517 const char *label;
1518
1519 if (rta_tb[IFA_LABEL])
1520 label = RTA_DATA(rta_tb[IFA_LABEL]);
1521 else
1522 label = ll_idx_n2a(ifa->ifa_index, b1);
1523 if (fnmatch(filter.label, label, 0) != 0)
1524 return 0;
1525 }
1526 if (filter.pfx.family) {
1527 if (rta_tb[IFA_LOCAL]) {
1528 inet_prefix dst = { .family = ifa->ifa_family };
1529
1530 memcpy(&dst.data, RTA_DATA(rta_tb[IFA_LOCAL]), RTA_PAYLOAD(rta_tb[IFA_LOCAL]));
1531 if (inet_addr_match(&dst, &filter.pfx, filter.pfx.bitlen))
1532 return 0;
1533 }
1534 }
1535
1536 if (filter.family && filter.family != ifa->ifa_family)
1537 return 0;
1538
1539 if (filter.flushb) {
1540 struct nlmsghdr *fn;
1541
1542 if (NLMSG_ALIGN(filter.flushp) + n->nlmsg_len > filter.flushe) {
1543 if (flush_update())
1544 return -1;
1545 }
1546 fn = (struct nlmsghdr *)(filter.flushb + NLMSG_ALIGN(filter.flushp));
1547 memcpy(fn, n, n->nlmsg_len);
1548 fn->nlmsg_type = RTM_DELADDR;
1549 fn->nlmsg_flags = NLM_F_REQUEST;
1550 fn->nlmsg_seq = ++rth.seq;
1551 filter.flushp = (((char *)fn) + n->nlmsg_len) - filter.flushb;
1552 filter.flushed++;
1553 if (show_stats < 2)
1554 return 0;
1555 }
1556
1557 if (n->nlmsg_type == RTM_DELADDR)
1558 print_bool(PRINT_ANY, "deleted", "Deleted ", true);
1559
1560 if (!brief) {
1561 if (filter.oneline || filter.flushb) {
1562 const char *dev = ll_index_to_name(ifa->ifa_index);
1563
1564 if (is_json_context()) {
1565 print_int(PRINT_JSON,
1566 "index", NULL, ifa->ifa_index);
1567 print_string(PRINT_JSON, "dev", NULL, dev);
1568 } else {
1569 fprintf(fp, "%u: %s", ifa->ifa_index, dev);
1570 }
1571 }
1572
1573 int family = ifa->ifa_family;
1574
1575 if (ifa->ifa_family == AF_INET)
1576 print_string(PRINT_ANY, "family", " %s ", "inet");
1577 else if (ifa->ifa_family == AF_INET6)
1578 print_string(PRINT_ANY, "family", " %s ", "inet6");
1579 else if (ifa->ifa_family == AF_DECnet)
1580 print_string(PRINT_ANY, "family", " %s ", "dnet");
1581 else if (ifa->ifa_family == AF_IPX)
1582 print_string(PRINT_ANY, "family", " %s ", "ipx");
1583 else
1584 print_int(PRINT_ANY,
1585 "family_index",
1586 " family %d ", family);
1587 }
1588
1589 if (rta_tb[IFA_LOCAL]) {
1590 print_color_string(PRINT_ANY,
1591 ifa_family_color(ifa->ifa_family),
1592 "local", "%s",
1593 format_host_rta(ifa->ifa_family,
1594 rta_tb[IFA_LOCAL]));
1595 if (rta_tb[IFA_ADDRESS] &&
1596 memcmp(RTA_DATA(rta_tb[IFA_ADDRESS]),
1597 RTA_DATA(rta_tb[IFA_LOCAL]),
1598 ifa->ifa_family == AF_INET ? 4 : 16)) {
1599 print_string(PRINT_FP, NULL, " %s ", "peer");
1600 print_color_string(PRINT_ANY,
1601 ifa_family_color(ifa->ifa_family),
1602 "address",
1603 "%s",
1604 format_host_rta(ifa->ifa_family,
1605 rta_tb[IFA_ADDRESS]));
1606 }
1607 print_int(PRINT_ANY, "prefixlen", "/%d ", ifa->ifa_prefixlen);
1608 }
1609
1610 if (brief)
1611 goto brief_exit;
1612
1613 if (rta_tb[IFA_BROADCAST]) {
1614 print_string(PRINT_FP, NULL, "%s ", "brd");
1615 print_color_string(PRINT_ANY,
1616 ifa_family_color(ifa->ifa_family),
1617 "broadcast",
1618 "%s ",
1619 format_host_rta(ifa->ifa_family,
1620 rta_tb[IFA_BROADCAST]));
1621 }
1622
1623 if (rta_tb[IFA_ANYCAST]) {
1624 print_string(PRINT_FP, NULL, "%s ", "any");
1625 print_color_string(PRINT_ANY,
1626 ifa_family_color(ifa->ifa_family),
1627 "anycast",
1628 "%s ",
1629 format_host_rta(ifa->ifa_family,
1630 rta_tb[IFA_ANYCAST]));
1631 }
1632
1633 print_string(PRINT_ANY,
1634 "scope",
1635 "scope %s ",
1636 rtnl_rtscope_n2a(ifa->ifa_scope, b1, sizeof(b1)));
1637
1638 print_ifa_flags(fp, ifa, ifa_flags);
1639
1640 if (rta_tb[IFA_LABEL])
1641 print_string(PRINT_ANY,
1642 "label",
1643 "%s",
1644 rta_getattr_str(rta_tb[IFA_LABEL]));
1645
1646 if (rta_tb[IFA_CACHEINFO]) {
1647 struct ifa_cacheinfo *ci = RTA_DATA(rta_tb[IFA_CACHEINFO]);
1648
1649 print_string(PRINT_FP, NULL, "%s", _SL_);
1650 print_string(PRINT_FP, NULL, " valid_lft ", NULL);
1651
1652 if (ci->ifa_valid == INFINITY_LIFE_TIME) {
1653 print_uint(PRINT_JSON,
1654 "valid_life_time",
1655 NULL, INFINITY_LIFE_TIME);
1656 print_string(PRINT_FP, NULL, "%s", "forever");
1657 } else {
1658 print_uint(PRINT_ANY,
1659 "valid_life_time", "%usec", ci->ifa_valid);
1660 }
1661
1662 print_string(PRINT_FP, NULL, " preferred_lft ", NULL);
1663 if (ci->ifa_prefered == INFINITY_LIFE_TIME) {
1664 print_uint(PRINT_JSON,
1665 "preferred_life_time",
1666 NULL, INFINITY_LIFE_TIME);
1667 print_string(PRINT_FP, NULL, "%s", "forever");
1668 } else {
1669 if (ifa_flags & IFA_F_DEPRECATED)
1670 print_int(PRINT_ANY,
1671 "preferred_life_time",
1672 "%dsec",
1673 ci->ifa_prefered);
1674 else
1675 print_uint(PRINT_ANY,
1676 "preferred_life_time",
1677 "%usec",
1678 ci->ifa_prefered);
1679 }
1680 }
1681 print_string(PRINT_FP, NULL, "%s", "\n");
1682 brief_exit:
1683 fflush(fp);
1684 return 0;
1685 }
1686
1687 static int print_selected_addrinfo(struct ifinfomsg *ifi,
1688 struct nlmsg_list *ainfo, FILE *fp)
1689 {
1690 open_json_array(PRINT_JSON, "addr_info");
1691 for ( ; ainfo ; ainfo = ainfo->next) {
1692 struct nlmsghdr *n = &ainfo->h;
1693 struct ifaddrmsg *ifa = NLMSG_DATA(n);
1694
1695 if (n->nlmsg_type != RTM_NEWADDR)
1696 continue;
1697
1698 if (n->nlmsg_len < NLMSG_LENGTH(sizeof(*ifa)))
1699 return -1;
1700
1701 if (ifa->ifa_index != ifi->ifi_index ||
1702 (filter.family && filter.family != ifa->ifa_family))
1703 continue;
1704
1705 if (filter.up && !(ifi->ifi_flags&IFF_UP))
1706 continue;
1707
1708 open_json_object(NULL);
1709 print_addrinfo(NULL, n, fp);
1710 close_json_object();
1711 }
1712 close_json_array(PRINT_JSON, NULL);
1713
1714 if (brief) {
1715 print_string(PRINT_FP, NULL, "%s", "\n");
1716 fflush(fp);
1717 }
1718 return 0;
1719 }
1720
1721
1722 static int store_nlmsg(const struct sockaddr_nl *who, struct nlmsghdr *n,
1723 void *arg)
1724 {
1725 struct nlmsg_chain *lchain = (struct nlmsg_chain *)arg;
1726 struct nlmsg_list *h;
1727
1728 h = malloc(n->nlmsg_len+sizeof(void *));
1729 if (h == NULL)
1730 return -1;
1731
1732 memcpy(&h->h, n, n->nlmsg_len);
1733 h->next = NULL;
1734
1735 if (lchain->tail)
1736 lchain->tail->next = h;
1737 else
1738 lchain->head = h;
1739 lchain->tail = h;
1740
1741 ll_remember_index(who, n, NULL);
1742 return 0;
1743 }
1744
1745 static __u32 ipadd_dump_magic = 0x47361222;
1746
1747 static int ipadd_save_prep(void)
1748 {
1749 int ret;
1750
1751 if (isatty(STDOUT_FILENO)) {
1752 fprintf(stderr, "Not sending a binary stream to stdout\n");
1753 return -1;
1754 }
1755
1756 ret = write(STDOUT_FILENO, &ipadd_dump_magic, sizeof(ipadd_dump_magic));
1757 if (ret != sizeof(ipadd_dump_magic)) {
1758 fprintf(stderr, "Can't write magic to dump file\n");
1759 return -1;
1760 }
1761
1762 return 0;
1763 }
1764
1765 static int ipadd_dump_check_magic(void)
1766 {
1767 int ret;
1768 __u32 magic = 0;
1769
1770 if (isatty(STDIN_FILENO)) {
1771 fprintf(stderr, "Can't restore address dump from a terminal\n");
1772 return -1;
1773 }
1774
1775 ret = fread(&magic, sizeof(magic), 1, stdin);
1776 if (magic != ipadd_dump_magic) {
1777 fprintf(stderr, "Magic mismatch (%d elems, %x magic)\n", ret, magic);
1778 return -1;
1779 }
1780
1781 return 0;
1782 }
1783
1784 static int save_nlmsg(const struct sockaddr_nl *who, struct nlmsghdr *n,
1785 void *arg)
1786 {
1787 int ret;
1788
1789 ret = write(STDOUT_FILENO, n, n->nlmsg_len);
1790 if ((ret > 0) && (ret != n->nlmsg_len)) {
1791 fprintf(stderr, "Short write while saving nlmsg\n");
1792 ret = -EIO;
1793 }
1794
1795 return ret == n->nlmsg_len ? 0 : ret;
1796 }
1797
1798 static int show_handler(const struct sockaddr_nl *nl,
1799 struct rtnl_ctrl_data *ctrl,
1800 struct nlmsghdr *n, void *arg)
1801 {
1802 struct ifaddrmsg *ifa = NLMSG_DATA(n);
1803
1804 open_json_object(NULL);
1805 print_int(PRINT_ANY, "index", "if%d:\n", ifa->ifa_index);
1806 print_addrinfo(NULL, n, stdout);
1807 close_json_object();
1808 return 0;
1809 }
1810
1811 static int ipaddr_showdump(void)
1812 {
1813 int err;
1814
1815 if (ipadd_dump_check_magic())
1816 exit(-1);
1817
1818 new_json_obj(json);
1819 open_json_object(NULL);
1820 open_json_array(PRINT_JSON, "addr_info");
1821
1822 err = rtnl_from_file(stdin, &show_handler, NULL);
1823
1824 close_json_array(PRINT_JSON, NULL);
1825 close_json_object();
1826 delete_json_obj();
1827
1828 exit(err);
1829 }
1830
1831 static int restore_handler(const struct sockaddr_nl *nl,
1832 struct rtnl_ctrl_data *ctrl,
1833 struct nlmsghdr *n, void *arg)
1834 {
1835 int ret;
1836
1837 n->nlmsg_flags |= NLM_F_REQUEST | NLM_F_CREATE | NLM_F_ACK;
1838
1839 ll_init_map(&rth);
1840
1841 ret = rtnl_talk(&rth, n, NULL);
1842 if ((ret < 0) && (errno == EEXIST))
1843 ret = 0;
1844
1845 return ret;
1846 }
1847
1848 static int ipaddr_restore(void)
1849 {
1850 if (ipadd_dump_check_magic())
1851 exit(-1);
1852
1853 exit(rtnl_from_file(stdin, &restore_handler, NULL));
1854 }
1855
1856 void free_nlmsg_chain(struct nlmsg_chain *info)
1857 {
1858 struct nlmsg_list *l, *n;
1859
1860 for (l = info->head; l; l = n) {
1861 n = l->next;
1862 free(l);
1863 }
1864 }
1865
1866 static void ipaddr_filter(struct nlmsg_chain *linfo, struct nlmsg_chain *ainfo)
1867 {
1868 struct nlmsg_list *l, **lp;
1869
1870 lp = &linfo->head;
1871 while ((l = *lp) != NULL) {
1872 int ok = 0;
1873 int missing_net_address = 1;
1874 struct ifinfomsg *ifi = NLMSG_DATA(&l->h);
1875 struct nlmsg_list *a;
1876
1877 for (a = ainfo->head; a; a = a->next) {
1878 struct nlmsghdr *n = &a->h;
1879 struct ifaddrmsg *ifa = NLMSG_DATA(n);
1880 struct rtattr *tb[IFA_MAX + 1];
1881 unsigned int ifa_flags;
1882
1883 if (ifa->ifa_index != ifi->ifi_index)
1884 continue;
1885 missing_net_address = 0;
1886 if (filter.family && filter.family != ifa->ifa_family)
1887 continue;
1888 if ((filter.scope^ifa->ifa_scope)&filter.scopemask)
1889 continue;
1890
1891 parse_rtattr(tb, IFA_MAX, IFA_RTA(ifa), IFA_PAYLOAD(n));
1892 ifa_flags = get_ifa_flags(ifa, tb[IFA_FLAGS]);
1893
1894 if ((filter.flags ^ ifa_flags) & filter.flagmask)
1895 continue;
1896 if (filter.pfx.family || filter.label) {
1897 if (!tb[IFA_LOCAL])
1898 tb[IFA_LOCAL] = tb[IFA_ADDRESS];
1899
1900 if (filter.pfx.family && tb[IFA_LOCAL]) {
1901 inet_prefix dst = {
1902 .family = ifa->ifa_family
1903 };
1904
1905 memcpy(&dst.data, RTA_DATA(tb[IFA_LOCAL]), RTA_PAYLOAD(tb[IFA_LOCAL]));
1906 if (inet_addr_match(&dst, &filter.pfx, filter.pfx.bitlen))
1907 continue;
1908 }
1909 if (filter.label) {
1910 SPRINT_BUF(b1);
1911 const char *label;
1912
1913 if (tb[IFA_LABEL])
1914 label = RTA_DATA(tb[IFA_LABEL]);
1915 else
1916 label = ll_idx_n2a(ifa->ifa_index, b1);
1917 if (fnmatch(filter.label, label, 0) != 0)
1918 continue;
1919 }
1920 }
1921
1922 ok = 1;
1923 break;
1924 }
1925 if (missing_net_address &&
1926 (filter.family == AF_UNSPEC || filter.family == AF_PACKET))
1927 ok = 1;
1928 if (!ok) {
1929 *lp = l->next;
1930 free(l);
1931 } else
1932 lp = &l->next;
1933 }
1934 }
1935
1936 static int ipaddr_flush(void)
1937 {
1938 int round = 0;
1939 char flushb[4096-512];
1940
1941 filter.flushb = flushb;
1942 filter.flushp = 0;
1943 filter.flushe = sizeof(flushb);
1944
1945 while ((max_flush_loops == 0) || (round < max_flush_loops)) {
1946 if (rtnl_wilddump_request(&rth, filter.family, RTM_GETADDR) < 0) {
1947 perror("Cannot send dump request");
1948 exit(1);
1949 }
1950 filter.flushed = 0;
1951 if (rtnl_dump_filter_nc(&rth, print_addrinfo,
1952 stdout, NLM_F_DUMP_INTR) < 0) {
1953 fprintf(stderr, "Flush terminated\n");
1954 exit(1);
1955 }
1956 if (filter.flushed == 0) {
1957 flush_done:
1958 if (show_stats) {
1959 if (round == 0)
1960 printf("Nothing to flush.\n");
1961 else
1962 printf("*** Flush is complete after %d round%s ***\n", round, round > 1?"s":"");
1963 }
1964 fflush(stdout);
1965 return 0;
1966 }
1967 round++;
1968 if (flush_update() < 0)
1969 return 1;
1970
1971 if (show_stats) {
1972 printf("\n*** Round %d, deleting %d addresses ***\n", round, filter.flushed);
1973 fflush(stdout);
1974 }
1975
1976 /* If we are flushing, and specifying primary, then we
1977 * want to flush only a single round. Otherwise, we'll
1978 * start flushing secondaries that were promoted to
1979 * primaries.
1980 */
1981 if (!(filter.flags & IFA_F_SECONDARY) && (filter.flagmask & IFA_F_SECONDARY))
1982 goto flush_done;
1983 }
1984 fprintf(stderr, "*** Flush remains incomplete after %d rounds. ***\n", max_flush_loops);
1985 fflush(stderr);
1986 return 1;
1987 }
1988
1989 static int iplink_filter_req(struct nlmsghdr *nlh, int reqlen)
1990 {
1991 int err;
1992
1993 err = addattr32(nlh, reqlen, IFLA_EXT_MASK, RTEXT_FILTER_VF);
1994 if (err)
1995 return err;
1996
1997 if (filter.master) {
1998 err = addattr32(nlh, reqlen, IFLA_MASTER, filter.master);
1999 if (err)
2000 return err;
2001 }
2002
2003 if (filter.kind) {
2004 struct rtattr *linkinfo;
2005
2006 linkinfo = addattr_nest(nlh, reqlen, IFLA_LINKINFO);
2007
2008 err = addattr_l(nlh, reqlen, IFLA_INFO_KIND, filter.kind,
2009 strlen(filter.kind));
2010 if (err)
2011 return err;
2012
2013 addattr_nest_end(nlh, linkinfo);
2014 }
2015
2016 return 0;
2017 }
2018
2019 /* fills in linfo with link data and optionally ainfo with address info
2020 * caller can walk lists as desired and must call free_nlmsg_chain for
2021 * both when done
2022 */
2023 int ip_linkaddr_list(int family, req_filter_fn_t filter_fn,
2024 struct nlmsg_chain *linfo, struct nlmsg_chain *ainfo)
2025 {
2026 if (rtnl_wilddump_req_filter_fn(&rth, preferred_family, RTM_GETLINK,
2027 filter_fn) < 0) {
2028 perror("Cannot send dump request");
2029 return 1;
2030 }
2031
2032 if (rtnl_dump_filter(&rth, store_nlmsg, linfo) < 0) {
2033 fprintf(stderr, "Dump terminated\n");
2034 return 1;
2035 }
2036
2037 if (ainfo) {
2038 if (rtnl_wilddump_request(&rth, family, RTM_GETADDR) < 0) {
2039 perror("Cannot send dump request");
2040 return 1;
2041 }
2042
2043 if (rtnl_dump_filter(&rth, store_nlmsg, ainfo) < 0) {
2044 fprintf(stderr, "Dump terminated\n");
2045 return 1;
2046 }
2047 }
2048
2049 return 0;
2050 }
2051
2052 static int ipaddr_list_flush_or_save(int argc, char **argv, int action)
2053 {
2054 struct nlmsg_chain linfo = { NULL, NULL};
2055 struct nlmsg_chain _ainfo = { NULL, NULL}, *ainfo = NULL;
2056 struct nlmsg_list *l;
2057 char *filter_dev = NULL;
2058 int no_link = 0;
2059
2060 ipaddr_reset_filter(oneline, 0);
2061 filter.showqueue = 1;
2062 filter.family = preferred_family;
2063 filter.group = -1;
2064
2065 if (action == IPADD_FLUSH) {
2066 if (argc <= 0) {
2067 fprintf(stderr, "Flush requires arguments.\n");
2068
2069 return -1;
2070 }
2071 if (filter.family == AF_PACKET) {
2072 fprintf(stderr, "Cannot flush link addresses.\n");
2073 return -1;
2074 }
2075 }
2076
2077 while (argc > 0) {
2078 if (strcmp(*argv, "to") == 0) {
2079 NEXT_ARG();
2080 get_prefix(&filter.pfx, *argv, filter.family);
2081 if (filter.family == AF_UNSPEC)
2082 filter.family = filter.pfx.family;
2083 } else if (strcmp(*argv, "scope") == 0) {
2084 unsigned int scope = 0;
2085
2086 NEXT_ARG();
2087 filter.scopemask = -1;
2088 if (rtnl_rtscope_a2n(&scope, *argv)) {
2089 if (strcmp(*argv, "all") != 0)
2090 invarg("invalid \"scope\"\n", *argv);
2091 scope = RT_SCOPE_NOWHERE;
2092 filter.scopemask = 0;
2093 }
2094 filter.scope = scope;
2095 } else if (strcmp(*argv, "up") == 0) {
2096 filter.up = 1;
2097 } else if (get_filter(*argv) == 0) {
2098
2099 } else if (strcmp(*argv, "label") == 0) {
2100 NEXT_ARG();
2101 filter.label = *argv;
2102 } else if (strcmp(*argv, "group") == 0) {
2103 NEXT_ARG();
2104 if (rtnl_group_a2n(&filter.group, *argv))
2105 invarg("Invalid \"group\" value\n", *argv);
2106 } else if (strcmp(*argv, "master") == 0) {
2107 int ifindex;
2108
2109 NEXT_ARG();
2110 ifindex = ll_name_to_index(*argv);
2111 if (!ifindex)
2112 invarg("Device does not exist\n", *argv);
2113 filter.master = ifindex;
2114 } else if (strcmp(*argv, "vrf") == 0) {
2115 int ifindex;
2116
2117 NEXT_ARG();
2118 ifindex = ll_name_to_index(*argv);
2119 if (!ifindex)
2120 invarg("Not a valid VRF name\n", *argv);
2121 if (!name_is_vrf(*argv))
2122 invarg("Not a valid VRF name\n", *argv);
2123 filter.master = ifindex;
2124 } else if (strcmp(*argv, "type") == 0) {
2125 int soff;
2126
2127 NEXT_ARG();
2128 soff = strlen(*argv) - strlen("_slave");
2129 if (!strcmp(*argv + soff, "_slave")) {
2130 (*argv)[soff] = '\0';
2131 filter.slave_kind = *argv;
2132 } else {
2133 filter.kind = *argv;
2134 }
2135 } else {
2136 if (strcmp(*argv, "dev") == 0)
2137 NEXT_ARG();
2138 else if (matches(*argv, "help") == 0)
2139 usage();
2140 if (filter_dev)
2141 duparg2("dev", *argv);
2142 filter_dev = *argv;
2143 }
2144 argv++; argc--;
2145 }
2146
2147 if (filter_dev) {
2148 filter.ifindex = ll_name_to_index(filter_dev);
2149 if (filter.ifindex <= 0) {
2150 fprintf(stderr, "Device \"%s\" does not exist.\n", filter_dev);
2151 return -1;
2152 }
2153 }
2154
2155 if (action == IPADD_FLUSH)
2156 return ipaddr_flush();
2157
2158 if (action == IPADD_SAVE) {
2159 if (ipadd_save_prep())
2160 exit(1);
2161
2162 if (rtnl_wilddump_request(&rth, preferred_family, RTM_GETADDR) < 0) {
2163 perror("Cannot send dump request");
2164 exit(1);
2165 }
2166
2167 if (rtnl_dump_filter(&rth, save_nlmsg, stdout) < 0) {
2168 fprintf(stderr, "Save terminated\n");
2169 exit(1);
2170 }
2171
2172 exit(0);
2173 }
2174
2175 /*
2176 * Initialize a json_writer and open an array object
2177 * if -json was specified.
2178 */
2179 new_json_obj(json);
2180
2181 /*
2182 * If only filter_dev present and none of the other
2183 * link filters are present, use RTM_GETLINK to get
2184 * the link device
2185 */
2186 if (filter_dev && filter.group == -1 && do_link == 1) {
2187 if (iplink_get(0, filter_dev, RTEXT_FILTER_VF) < 0) {
2188 perror("Cannot send link get request");
2189 delete_json_obj();
2190 exit(1);
2191 }
2192 delete_json_obj();
2193 exit(0);
2194 }
2195
2196 if (filter.family != AF_PACKET) {
2197 ainfo = &_ainfo;
2198
2199 if (filter.oneline)
2200 no_link = 1;
2201 }
2202
2203 if (ip_linkaddr_list(filter.family, iplink_filter_req,
2204 &linfo, ainfo) != 0)
2205 goto out;
2206
2207 if (filter.family != AF_PACKET)
2208 ipaddr_filter(&linfo, ainfo);
2209
2210 for (l = linfo.head; l; l = l->next) {
2211 int res = 0;
2212 struct ifinfomsg *ifi = NLMSG_DATA(&l->h);
2213
2214 open_json_object(NULL);
2215 if (brief) {
2216 if (print_linkinfo_brief(NULL, &l->h,
2217 stdout, NULL) == 0)
2218 if (filter.family != AF_PACKET)
2219 print_selected_addrinfo(ifi,
2220 ainfo->head,
2221 stdout);
2222 } else if (no_link ||
2223 (res = print_linkinfo(NULL, &l->h, stdout)) >= 0) {
2224 if (filter.family != AF_PACKET)
2225 print_selected_addrinfo(ifi,
2226 ainfo->head, stdout);
2227 if (res > 0 && !do_link && show_stats)
2228 print_link_stats(stdout, &l->h);
2229 }
2230 close_json_object();
2231 }
2232 fflush(stdout);
2233
2234 out:
2235 if (ainfo)
2236 free_nlmsg_chain(ainfo);
2237 free_nlmsg_chain(&linfo);
2238 delete_json_obj();
2239 return 0;
2240 }
2241
2242 static void
2243 ipaddr_loop_each_vf(struct rtattr *tb[], int vfnum, int *min, int *max)
2244 {
2245 struct rtattr *vflist = tb[IFLA_VFINFO_LIST];
2246 struct rtattr *i, *vf[IFLA_VF_MAX+1];
2247 struct ifla_vf_rate *vf_rate;
2248 int rem;
2249
2250 rem = RTA_PAYLOAD(vflist);
2251
2252 for (i = RTA_DATA(vflist); RTA_OK(i, rem); i = RTA_NEXT(i, rem)) {
2253 parse_rtattr_nested(vf, IFLA_VF_MAX, i);
2254 vf_rate = RTA_DATA(vf[IFLA_VF_RATE]);
2255 if (vf_rate->vf == vfnum) {
2256 *min = vf_rate->min_tx_rate;
2257 *max = vf_rate->max_tx_rate;
2258 return;
2259 }
2260 }
2261 fprintf(stderr, "Cannot find VF %d\n", vfnum);
2262 exit(1);
2263 }
2264
2265 void ipaddr_get_vf_rate(int vfnum, int *min, int *max, int idx)
2266 {
2267 struct nlmsg_chain linfo = { NULL, NULL};
2268 struct rtattr *tb[IFLA_MAX+1];
2269 struct ifinfomsg *ifi;
2270 struct nlmsg_list *l;
2271 struct nlmsghdr *n;
2272 int len;
2273
2274 if (rtnl_wilddump_request(&rth, AF_UNSPEC, RTM_GETLINK) < 0) {
2275 perror("Cannot send dump request");
2276 exit(1);
2277 }
2278 if (rtnl_dump_filter(&rth, store_nlmsg, &linfo) < 0) {
2279 fprintf(stderr, "Dump terminated\n");
2280 exit(1);
2281 }
2282 for (l = linfo.head; l; l = l->next) {
2283 n = &l->h;
2284 ifi = NLMSG_DATA(n);
2285
2286 len = n->nlmsg_len - NLMSG_LENGTH(sizeof(*ifi));
2287 if (len < 0 || (idx && idx != ifi->ifi_index))
2288 continue;
2289
2290 parse_rtattr(tb, IFLA_MAX, IFLA_RTA(ifi), len);
2291
2292 if ((tb[IFLA_VFINFO_LIST] && tb[IFLA_NUM_VF])) {
2293 ipaddr_loop_each_vf(tb, vfnum, min, max);
2294 return;
2295 }
2296 }
2297 }
2298
2299 int ipaddr_list_link(int argc, char **argv)
2300 {
2301 preferred_family = AF_PACKET;
2302 do_link = 1;
2303 return ipaddr_list_flush_or_save(argc, argv, IPADD_LIST);
2304 }
2305
2306 void ipaddr_reset_filter(int oneline, int ifindex)
2307 {
2308 memset(&filter, 0, sizeof(filter));
2309 filter.oneline = oneline;
2310 filter.ifindex = ifindex;
2311 }
2312
2313 static int default_scope(inet_prefix *lcl)
2314 {
2315 if (lcl->family == AF_INET) {
2316 if (lcl->bytelen >= 1 && *(__u8 *)&lcl->data == 127)
2317 return RT_SCOPE_HOST;
2318 }
2319 return 0;
2320 }
2321
2322 static bool ipaddr_is_multicast(inet_prefix *a)
2323 {
2324 if (a->family == AF_INET)
2325 return IN_MULTICAST(ntohl(a->data[0]));
2326 else if (a->family == AF_INET6)
2327 return IN6_IS_ADDR_MULTICAST(a->data);
2328 else
2329 return false;
2330 }
2331
2332 static int ipaddr_modify(int cmd, int flags, int argc, char **argv)
2333 {
2334 struct {
2335 struct nlmsghdr n;
2336 struct ifaddrmsg ifa;
2337 char buf[256];
2338 } req = {
2339 .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg)),
2340 .n.nlmsg_flags = NLM_F_REQUEST | flags,
2341 .n.nlmsg_type = cmd,
2342 .ifa.ifa_family = preferred_family,
2343 };
2344 char *d = NULL;
2345 char *l = NULL;
2346 char *lcl_arg = NULL;
2347 char *valid_lftp = NULL;
2348 char *preferred_lftp = NULL;
2349 inet_prefix lcl = {};
2350 inet_prefix peer;
2351 int local_len = 0;
2352 int peer_len = 0;
2353 int brd_len = 0;
2354 int any_len = 0;
2355 int scoped = 0;
2356 __u32 preferred_lft = INFINITY_LIFE_TIME;
2357 __u32 valid_lft = INFINITY_LIFE_TIME;
2358 unsigned int ifa_flags = 0;
2359
2360 while (argc > 0) {
2361 if (strcmp(*argv, "peer") == 0 ||
2362 strcmp(*argv, "remote") == 0) {
2363 NEXT_ARG();
2364
2365 if (peer_len)
2366 duparg("peer", *argv);
2367 get_prefix(&peer, *argv, req.ifa.ifa_family);
2368 peer_len = peer.bytelen;
2369 if (req.ifa.ifa_family == AF_UNSPEC)
2370 req.ifa.ifa_family = peer.family;
2371 addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &peer.data, peer.bytelen);
2372 req.ifa.ifa_prefixlen = peer.bitlen;
2373 } else if (matches(*argv, "broadcast") == 0 ||
2374 strcmp(*argv, "brd") == 0) {
2375 inet_prefix addr;
2376
2377 NEXT_ARG();
2378 if (brd_len)
2379 duparg("broadcast", *argv);
2380 if (strcmp(*argv, "+") == 0)
2381 brd_len = -1;
2382 else if (strcmp(*argv, "-") == 0)
2383 brd_len = -2;
2384 else {
2385 get_addr(&addr, *argv, req.ifa.ifa_family);
2386 if (req.ifa.ifa_family == AF_UNSPEC)
2387 req.ifa.ifa_family = addr.family;
2388 addattr_l(&req.n, sizeof(req), IFA_BROADCAST, &addr.data, addr.bytelen);
2389 brd_len = addr.bytelen;
2390 }
2391 } else if (strcmp(*argv, "anycast") == 0) {
2392 inet_prefix addr;
2393
2394 NEXT_ARG();
2395 if (any_len)
2396 duparg("anycast", *argv);
2397 get_addr(&addr, *argv, req.ifa.ifa_family);
2398 if (req.ifa.ifa_family == AF_UNSPEC)
2399 req.ifa.ifa_family = addr.family;
2400 addattr_l(&req.n, sizeof(req), IFA_ANYCAST, &addr.data, addr.bytelen);
2401 any_len = addr.bytelen;
2402 } else if (strcmp(*argv, "scope") == 0) {
2403 unsigned int scope = 0;
2404
2405 NEXT_ARG();
2406 if (rtnl_rtscope_a2n(&scope, *argv))
2407 invarg("invalid scope value.", *argv);
2408 req.ifa.ifa_scope = scope;
2409 scoped = 1;
2410 } else if (strcmp(*argv, "dev") == 0) {
2411 NEXT_ARG();
2412 d = *argv;
2413 } else if (strcmp(*argv, "label") == 0) {
2414 NEXT_ARG();
2415 l = *argv;
2416 addattr_l(&req.n, sizeof(req), IFA_LABEL, l, strlen(l)+1);
2417 } else if (matches(*argv, "valid_lft") == 0) {
2418 if (valid_lftp)
2419 duparg("valid_lft", *argv);
2420 NEXT_ARG();
2421 valid_lftp = *argv;
2422 if (set_lifetime(&valid_lft, *argv))
2423 invarg("valid_lft value", *argv);
2424 } else if (matches(*argv, "preferred_lft") == 0) {
2425 if (preferred_lftp)
2426 duparg("preferred_lft", *argv);
2427 NEXT_ARG();
2428 preferred_lftp = *argv;
2429 if (set_lifetime(&preferred_lft, *argv))
2430 invarg("preferred_lft value", *argv);
2431 } else if (strcmp(*argv, "home") == 0) {
2432 ifa_flags |= IFA_F_HOMEADDRESS;
2433 } else if (strcmp(*argv, "nodad") == 0) {
2434 ifa_flags |= IFA_F_NODAD;
2435 } else if (strcmp(*argv, "mngtmpaddr") == 0) {
2436 ifa_flags |= IFA_F_MANAGETEMPADDR;
2437 } else if (strcmp(*argv, "noprefixroute") == 0) {
2438 ifa_flags |= IFA_F_NOPREFIXROUTE;
2439 } else if (strcmp(*argv, "autojoin") == 0) {
2440 ifa_flags |= IFA_F_MCAUTOJOIN;
2441 } else {
2442 if (strcmp(*argv, "local") == 0)
2443 NEXT_ARG();
2444 if (matches(*argv, "help") == 0)
2445 usage();
2446 if (local_len)
2447 duparg2("local", *argv);
2448 lcl_arg = *argv;
2449 get_prefix(&lcl, *argv, req.ifa.ifa_family);
2450 if (req.ifa.ifa_family == AF_UNSPEC)
2451 req.ifa.ifa_family = lcl.family;
2452 addattr_l(&req.n, sizeof(req), IFA_LOCAL, &lcl.data, lcl.bytelen);
2453 local_len = lcl.bytelen;
2454 }
2455 argc--; argv++;
2456 }
2457 if (ifa_flags <= 0xff)
2458 req.ifa.ifa_flags = ifa_flags;
2459 else
2460 addattr32(&req.n, sizeof(req), IFA_FLAGS, ifa_flags);
2461
2462 if (d == NULL) {
2463 fprintf(stderr, "Not enough information: \"dev\" argument is required.\n");
2464 return -1;
2465 }
2466 if (l && matches(d, l) != 0) {
2467 fprintf(stderr, "\"dev\" (%s) must match \"label\" (%s).\n", d, l);
2468 return -1;
2469 }
2470
2471 if (peer_len == 0 && local_len) {
2472 if (cmd == RTM_DELADDR && lcl.family == AF_INET && !(lcl.flags & PREFIXLEN_SPECIFIED)) {
2473 fprintf(stderr,
2474 "Warning: Executing wildcard deletion to stay compatible with old scripts.\n"
2475 " Explicitly specify the prefix length (%s/%d) to avoid this warning.\n"
2476 " This special behaviour is likely to disappear in further releases,\n"
2477 " fix your scripts!\n", lcl_arg, local_len*8);
2478 } else {
2479 peer = lcl;
2480 addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &lcl.data, lcl.bytelen);
2481 }
2482 }
2483 if (req.ifa.ifa_prefixlen == 0)
2484 req.ifa.ifa_prefixlen = lcl.bitlen;
2485
2486 if (brd_len < 0 && cmd != RTM_DELADDR) {
2487 inet_prefix brd;
2488 int i;
2489
2490 if (req.ifa.ifa_family != AF_INET) {
2491 fprintf(stderr, "Broadcast can be set only for IPv4 addresses\n");
2492 return -1;
2493 }
2494 brd = peer;
2495 if (brd.bitlen <= 30) {
2496 for (i = 31; i >= brd.bitlen; i--) {
2497 if (brd_len == -1)
2498 brd.data[0] |= htonl(1<<(31-i));
2499 else
2500 brd.data[0] &= ~htonl(1<<(31-i));
2501 }
2502 addattr_l(&req.n, sizeof(req), IFA_BROADCAST, &brd.data, brd.bytelen);
2503 brd_len = brd.bytelen;
2504 }
2505 }
2506 if (!scoped && cmd != RTM_DELADDR)
2507 req.ifa.ifa_scope = default_scope(&lcl);
2508
2509 if ((req.ifa.ifa_index = ll_name_to_index(d)) == 0) {
2510 fprintf(stderr, "Cannot find device \"%s\"\n", d);
2511 return -1;
2512 }
2513
2514 if (valid_lftp || preferred_lftp) {
2515 struct ifa_cacheinfo cinfo = {};
2516
2517 if (!valid_lft) {
2518 fprintf(stderr, "valid_lft is zero\n");
2519 return -1;
2520 }
2521 if (valid_lft < preferred_lft) {
2522 fprintf(stderr, "preferred_lft is greater than valid_lft\n");
2523 return -1;
2524 }
2525
2526 cinfo.ifa_prefered = preferred_lft;
2527 cinfo.ifa_valid = valid_lft;
2528 addattr_l(&req.n, sizeof(req), IFA_CACHEINFO, &cinfo,
2529 sizeof(cinfo));
2530 }
2531
2532 if ((ifa_flags & IFA_F_MCAUTOJOIN) && !ipaddr_is_multicast(&lcl)) {
2533 fprintf(stderr, "autojoin needs multicast address\n");
2534 return -1;
2535 }
2536
2537 if (rtnl_talk(&rth, &req.n, NULL) < 0)
2538 return -2;
2539
2540 return 0;
2541 }
2542
2543 int do_ipaddr(int argc, char **argv)
2544 {
2545 if (argc < 1)
2546 return ipaddr_list_flush_or_save(0, NULL, IPADD_LIST);
2547 if (matches(*argv, "add") == 0)
2548 return ipaddr_modify(RTM_NEWADDR, NLM_F_CREATE|NLM_F_EXCL, argc-1, argv+1);
2549 if (matches(*argv, "change") == 0 ||
2550 strcmp(*argv, "chg") == 0)
2551 return ipaddr_modify(RTM_NEWADDR, NLM_F_REPLACE, argc-1, argv+1);
2552 if (matches(*argv, "replace") == 0)
2553 return ipaddr_modify(RTM_NEWADDR, NLM_F_CREATE|NLM_F_REPLACE, argc-1, argv+1);
2554 if (matches(*argv, "delete") == 0)
2555 return ipaddr_modify(RTM_DELADDR, 0, argc-1, argv+1);
2556 if (matches(*argv, "list") == 0 || matches(*argv, "show") == 0
2557 || matches(*argv, "lst") == 0)
2558 return ipaddr_list_flush_or_save(argc-1, argv+1, IPADD_LIST);
2559 if (matches(*argv, "flush") == 0)
2560 return ipaddr_list_flush_or_save(argc-1, argv+1, IPADD_FLUSH);
2561 if (matches(*argv, "save") == 0)
2562 return ipaddr_list_flush_or_save(argc-1, argv+1, IPADD_SAVE);
2563 if (matches(*argv, "showdump") == 0)
2564 return ipaddr_showdump();
2565 if (matches(*argv, "restore") == 0)
2566 return ipaddr_restore();
2567 if (matches(*argv, "help") == 0)
2568 usage();
2569 fprintf(stderr, "Command \"%s\" is unknown, try \"ip address help\".\n", *argv);
2570 exit(-1);
2571 }
Upstream mirror of iproute2