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Merge branch 'iproute2-master' into iproute2-next
[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 <inttypes.h>
17 #include <fcntl.h>
18 #include <sys/ioctl.h>
19 #include <sys/socket.h>
20 #include <sys/param.h>
21 #include <errno.h>
22 #include <netinet/in.h>
23 #include <arpa/inet.h>
24 #include <string.h>
25 #include <fnmatch.h>
26
27 #include <linux/netdevice.h>
28 #include <linux/if_arp.h>
29 #include <linux/sockios.h>
30 #include <linux/net_namespace.h>
31
32 #include "utils.h"
33 #include "rt_names.h"
34 #include "utils.h"
35 #include "ll_map.h"
36 #include "ip_common.h"
37 #include "xdp.h"
38 #include "color.h"
39
40 enum {
41 IPADD_LIST,
42 IPADD_FLUSH,
43 IPADD_SAVE,
44 };
45
46 static struct link_filter filter;
47 static int do_link;
48
49 static void usage(void) __attribute__((noreturn));
50
51 static void usage(void)
52 {
53 if (do_link) {
54 iplink_usage();
55 }
56 fprintf(stderr, "Usage: ip address {add|change|replace} IFADDR dev IFNAME [ LIFETIME ]\n");
57 fprintf(stderr, " [ CONFFLAG-LIST ]\n");
58 fprintf(stderr, " ip address del IFADDR dev IFNAME [mngtmpaddr]\n");
59 fprintf(stderr, " ip address {save|flush} [ dev IFNAME ] [ scope SCOPE-ID ]\n");
60 fprintf(stderr, " [ to PREFIX ] [ FLAG-LIST ] [ label LABEL ] [up]\n");
61 fprintf(stderr, " ip address [ show [ dev IFNAME ] [ scope SCOPE-ID ] [ master DEVICE ]\n");
62 fprintf(stderr, " [ type TYPE ] [ to PREFIX ] [ FLAG-LIST ]\n");
63 fprintf(stderr, " [ label LABEL ] [up] [ vrf NAME ] ]\n");
64 fprintf(stderr, " ip address {showdump|restore}\n");
65 fprintf(stderr, "IFADDR := PREFIX | ADDR peer PREFIX\n");
66 fprintf(stderr, " [ broadcast ADDR ] [ anycast ADDR ]\n");
67 fprintf(stderr, " [ label IFNAME ] [ scope SCOPE-ID ]\n");
68 fprintf(stderr, "SCOPE-ID := [ host | link | global | NUMBER ]\n");
69 fprintf(stderr, "FLAG-LIST := [ FLAG-LIST ] FLAG\n");
70 fprintf(stderr, "FLAG := [ permanent | dynamic | secondary | primary |\n");
71 fprintf(stderr, " [-]tentative | [-]deprecated | [-]dadfailed | temporary |\n");
72 fprintf(stderr, " CONFFLAG-LIST ]\n");
73 fprintf(stderr, "CONFFLAG-LIST := [ CONFFLAG-LIST ] CONFFLAG\n");
74 fprintf(stderr, "CONFFLAG := [ home | nodad | mngtmpaddr | noprefixroute | autojoin ]\n");
75 fprintf(stderr, "LIFETIME := [ valid_lft LFT ] [ preferred_lft LFT ]\n");
76 fprintf(stderr, "LFT := forever | SECONDS\n");
77 fprintf(stderr, "TYPE := { vlan | veth | vcan | vxcan | dummy | ifb | macvlan | macvtap |\n");
78 fprintf(stderr, " bridge | bond | ipoib | ip6tnl | ipip | sit | vxlan | lowpan |\n");
79 fprintf(stderr, " gre | gretap | erspan | ip6gre | ip6gretap | ip6erspan | vti |\n");
80 fprintf(stderr, " nlmon | can | bond_slave | ipvlan | geneve | bridge_slave |\n");
81 fprintf(stderr, " hsr | macsec | netdevsim\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("stats64");
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
1527 if (filter.family && filter.family != ifa->ifa_family)
1528 return 0;
1529
1530 if (inet_addr_match_rta(&filter.pfx, rta_tb[IFA_LOCAL]))
1531 return 0;
1532
1533 if (filter.flushb) {
1534 struct nlmsghdr *fn;
1535
1536 if (NLMSG_ALIGN(filter.flushp) + n->nlmsg_len > filter.flushe) {
1537 if (flush_update())
1538 return -1;
1539 }
1540 fn = (struct nlmsghdr *)(filter.flushb + NLMSG_ALIGN(filter.flushp));
1541 memcpy(fn, n, n->nlmsg_len);
1542 fn->nlmsg_type = RTM_DELADDR;
1543 fn->nlmsg_flags = NLM_F_REQUEST;
1544 fn->nlmsg_seq = ++rth.seq;
1545 filter.flushp = (((char *)fn) + n->nlmsg_len) - filter.flushb;
1546 filter.flushed++;
1547 if (show_stats < 2)
1548 return 0;
1549 }
1550
1551 if (n->nlmsg_type == RTM_DELADDR)
1552 print_bool(PRINT_ANY, "deleted", "Deleted ", true);
1553
1554 if (!brief) {
1555 const char *name;
1556
1557 if (filter.oneline || filter.flushb) {
1558 const char *dev = ll_index_to_name(ifa->ifa_index);
1559
1560 if (is_json_context()) {
1561 print_int(PRINT_JSON,
1562 "index", NULL, ifa->ifa_index);
1563 print_string(PRINT_JSON, "dev", NULL, dev);
1564 } else {
1565 fprintf(fp, "%u: %s", ifa->ifa_index, dev);
1566 }
1567 }
1568
1569 name = family_name(ifa->ifa_family);
1570 if (*name != '?') {
1571 print_string(PRINT_ANY, "family", " %s ", name);
1572 } else {
1573 print_int(PRINT_ANY, "family_index", " family %d ",
1574 ifa->ifa_family);
1575 }
1576 }
1577
1578 if (rta_tb[IFA_LOCAL]) {
1579 print_color_string(PRINT_ANY,
1580 ifa_family_color(ifa->ifa_family),
1581 "local", "%s",
1582 format_host_rta(ifa->ifa_family,
1583 rta_tb[IFA_LOCAL]));
1584 if (rta_tb[IFA_ADDRESS] &&
1585 memcmp(RTA_DATA(rta_tb[IFA_ADDRESS]),
1586 RTA_DATA(rta_tb[IFA_LOCAL]),
1587 ifa->ifa_family == AF_INET ? 4 : 16)) {
1588 print_string(PRINT_FP, NULL, " %s ", "peer");
1589 print_color_string(PRINT_ANY,
1590 ifa_family_color(ifa->ifa_family),
1591 "address",
1592 "%s",
1593 format_host_rta(ifa->ifa_family,
1594 rta_tb[IFA_ADDRESS]));
1595 }
1596 print_int(PRINT_ANY, "prefixlen", "/%d ", ifa->ifa_prefixlen);
1597 }
1598
1599 if (brief)
1600 goto brief_exit;
1601
1602 if (rta_tb[IFA_BROADCAST]) {
1603 print_string(PRINT_FP, NULL, "%s ", "brd");
1604 print_color_string(PRINT_ANY,
1605 ifa_family_color(ifa->ifa_family),
1606 "broadcast",
1607 "%s ",
1608 format_host_rta(ifa->ifa_family,
1609 rta_tb[IFA_BROADCAST]));
1610 }
1611
1612 if (rta_tb[IFA_ANYCAST]) {
1613 print_string(PRINT_FP, NULL, "%s ", "any");
1614 print_color_string(PRINT_ANY,
1615 ifa_family_color(ifa->ifa_family),
1616 "anycast",
1617 "%s ",
1618 format_host_rta(ifa->ifa_family,
1619 rta_tb[IFA_ANYCAST]));
1620 }
1621
1622 print_string(PRINT_ANY,
1623 "scope",
1624 "scope %s ",
1625 rtnl_rtscope_n2a(ifa->ifa_scope, b1, sizeof(b1)));
1626
1627 print_ifa_flags(fp, ifa, ifa_flags);
1628
1629 if (rta_tb[IFA_LABEL])
1630 print_string(PRINT_ANY,
1631 "label",
1632 "%s",
1633 rta_getattr_str(rta_tb[IFA_LABEL]));
1634
1635 if (rta_tb[IFA_CACHEINFO]) {
1636 struct ifa_cacheinfo *ci = RTA_DATA(rta_tb[IFA_CACHEINFO]);
1637
1638 print_string(PRINT_FP, NULL, "%s", _SL_);
1639 print_string(PRINT_FP, NULL, " valid_lft ", NULL);
1640
1641 if (ci->ifa_valid == INFINITY_LIFE_TIME) {
1642 print_uint(PRINT_JSON,
1643 "valid_life_time",
1644 NULL, INFINITY_LIFE_TIME);
1645 print_string(PRINT_FP, NULL, "%s", "forever");
1646 } else {
1647 print_uint(PRINT_ANY,
1648 "valid_life_time", "%usec", ci->ifa_valid);
1649 }
1650
1651 print_string(PRINT_FP, NULL, " preferred_lft ", NULL);
1652 if (ci->ifa_prefered == INFINITY_LIFE_TIME) {
1653 print_uint(PRINT_JSON,
1654 "preferred_life_time",
1655 NULL, INFINITY_LIFE_TIME);
1656 print_string(PRINT_FP, NULL, "%s", "forever");
1657 } else {
1658 if (ifa_flags & IFA_F_DEPRECATED)
1659 print_int(PRINT_ANY,
1660 "preferred_life_time",
1661 "%dsec",
1662 ci->ifa_prefered);
1663 else
1664 print_uint(PRINT_ANY,
1665 "preferred_life_time",
1666 "%usec",
1667 ci->ifa_prefered);
1668 }
1669 }
1670 print_string(PRINT_FP, NULL, "%s", "\n");
1671 brief_exit:
1672 fflush(fp);
1673 return 0;
1674 }
1675
1676 static int print_selected_addrinfo(struct ifinfomsg *ifi,
1677 struct nlmsg_list *ainfo, FILE *fp)
1678 {
1679 open_json_array(PRINT_JSON, "addr_info");
1680 for ( ; ainfo ; ainfo = ainfo->next) {
1681 struct nlmsghdr *n = &ainfo->h;
1682 struct ifaddrmsg *ifa = NLMSG_DATA(n);
1683
1684 if (n->nlmsg_type != RTM_NEWADDR)
1685 continue;
1686
1687 if (n->nlmsg_len < NLMSG_LENGTH(sizeof(*ifa)))
1688 return -1;
1689
1690 if (ifa->ifa_index != ifi->ifi_index ||
1691 (filter.family && filter.family != ifa->ifa_family))
1692 continue;
1693
1694 if (filter.up && !(ifi->ifi_flags&IFF_UP))
1695 continue;
1696
1697 open_json_object(NULL);
1698 print_addrinfo(NULL, n, fp);
1699 close_json_object();
1700 }
1701 close_json_array(PRINT_JSON, NULL);
1702
1703 if (brief) {
1704 print_string(PRINT_FP, NULL, "%s", "\n");
1705 fflush(fp);
1706 }
1707 return 0;
1708 }
1709
1710
1711 static int store_nlmsg(const struct sockaddr_nl *who, struct nlmsghdr *n,
1712 void *arg)
1713 {
1714 struct nlmsg_chain *lchain = (struct nlmsg_chain *)arg;
1715 struct nlmsg_list *h;
1716
1717 h = malloc(n->nlmsg_len+sizeof(void *));
1718 if (h == NULL)
1719 return -1;
1720
1721 memcpy(&h->h, n, n->nlmsg_len);
1722 h->next = NULL;
1723
1724 if (lchain->tail)
1725 lchain->tail->next = h;
1726 else
1727 lchain->head = h;
1728 lchain->tail = h;
1729
1730 ll_remember_index(who, n, NULL);
1731 return 0;
1732 }
1733
1734 static __u32 ipadd_dump_magic = 0x47361222;
1735
1736 static int ipadd_save_prep(void)
1737 {
1738 int ret;
1739
1740 if (isatty(STDOUT_FILENO)) {
1741 fprintf(stderr, "Not sending a binary stream to stdout\n");
1742 return -1;
1743 }
1744
1745 ret = write(STDOUT_FILENO, &ipadd_dump_magic, sizeof(ipadd_dump_magic));
1746 if (ret != sizeof(ipadd_dump_magic)) {
1747 fprintf(stderr, "Can't write magic to dump file\n");
1748 return -1;
1749 }
1750
1751 return 0;
1752 }
1753
1754 static int ipadd_dump_check_magic(void)
1755 {
1756 int ret;
1757 __u32 magic = 0;
1758
1759 if (isatty(STDIN_FILENO)) {
1760 fprintf(stderr, "Can't restore address dump from a terminal\n");
1761 return -1;
1762 }
1763
1764 ret = fread(&magic, sizeof(magic), 1, stdin);
1765 if (magic != ipadd_dump_magic) {
1766 fprintf(stderr, "Magic mismatch (%d elems, %x magic)\n", ret, magic);
1767 return -1;
1768 }
1769
1770 return 0;
1771 }
1772
1773 static int save_nlmsg(const struct sockaddr_nl *who, struct nlmsghdr *n,
1774 void *arg)
1775 {
1776 int ret;
1777
1778 ret = write(STDOUT_FILENO, n, n->nlmsg_len);
1779 if ((ret > 0) && (ret != n->nlmsg_len)) {
1780 fprintf(stderr, "Short write while saving nlmsg\n");
1781 ret = -EIO;
1782 }
1783
1784 return ret == n->nlmsg_len ? 0 : ret;
1785 }
1786
1787 static int show_handler(const struct sockaddr_nl *nl,
1788 struct rtnl_ctrl_data *ctrl,
1789 struct nlmsghdr *n, void *arg)
1790 {
1791 struct ifaddrmsg *ifa = NLMSG_DATA(n);
1792
1793 open_json_object(NULL);
1794 print_int(PRINT_ANY, "index", "if%d:\n", ifa->ifa_index);
1795 print_addrinfo(NULL, n, stdout);
1796 close_json_object();
1797 return 0;
1798 }
1799
1800 static int ipaddr_showdump(void)
1801 {
1802 int err;
1803
1804 if (ipadd_dump_check_magic())
1805 exit(-1);
1806
1807 new_json_obj(json);
1808 open_json_object(NULL);
1809 open_json_array(PRINT_JSON, "addr_info");
1810
1811 err = rtnl_from_file(stdin, &show_handler, NULL);
1812
1813 close_json_array(PRINT_JSON, NULL);
1814 close_json_object();
1815 delete_json_obj();
1816
1817 exit(err);
1818 }
1819
1820 static int restore_handler(const struct sockaddr_nl *nl,
1821 struct rtnl_ctrl_data *ctrl,
1822 struct nlmsghdr *n, void *arg)
1823 {
1824 int ret;
1825
1826 n->nlmsg_flags |= NLM_F_REQUEST | NLM_F_CREATE | NLM_F_ACK;
1827
1828 ll_init_map(&rth);
1829
1830 ret = rtnl_talk(&rth, n, NULL);
1831 if ((ret < 0) && (errno == EEXIST))
1832 ret = 0;
1833
1834 return ret;
1835 }
1836
1837 static int ipaddr_restore(void)
1838 {
1839 if (ipadd_dump_check_magic())
1840 exit(-1);
1841
1842 exit(rtnl_from_file(stdin, &restore_handler, NULL));
1843 }
1844
1845 void free_nlmsg_chain(struct nlmsg_chain *info)
1846 {
1847 struct nlmsg_list *l, *n;
1848
1849 for (l = info->head; l; l = n) {
1850 n = l->next;
1851 free(l);
1852 }
1853 }
1854
1855 static void ipaddr_filter(struct nlmsg_chain *linfo, struct nlmsg_chain *ainfo)
1856 {
1857 struct nlmsg_list *l, **lp;
1858
1859 lp = &linfo->head;
1860 while ((l = *lp) != NULL) {
1861 int ok = 0;
1862 int missing_net_address = 1;
1863 struct ifinfomsg *ifi = NLMSG_DATA(&l->h);
1864 struct nlmsg_list *a;
1865
1866 for (a = ainfo->head; a; a = a->next) {
1867 struct nlmsghdr *n = &a->h;
1868 struct ifaddrmsg *ifa = NLMSG_DATA(n);
1869 struct rtattr *tb[IFA_MAX + 1];
1870 unsigned int ifa_flags;
1871
1872 if (ifa->ifa_index != ifi->ifi_index)
1873 continue;
1874 missing_net_address = 0;
1875 if (filter.family && filter.family != ifa->ifa_family)
1876 continue;
1877 if ((filter.scope^ifa->ifa_scope)&filter.scopemask)
1878 continue;
1879
1880 parse_rtattr(tb, IFA_MAX, IFA_RTA(ifa), IFA_PAYLOAD(n));
1881 ifa_flags = get_ifa_flags(ifa, tb[IFA_FLAGS]);
1882
1883 if ((filter.flags ^ ifa_flags) & filter.flagmask)
1884 continue;
1885 if (filter.pfx.family || filter.label) {
1886 struct rtattr *rta =
1887 tb[IFA_LOCAL] ? : tb[IFA_ADDRESS];
1888
1889 if (inet_addr_match_rta(&filter.pfx, rta))
1890 continue;
1891
1892 if (filter.label) {
1893 SPRINT_BUF(b1);
1894 const char *label;
1895
1896 if (tb[IFA_LABEL])
1897 label = RTA_DATA(tb[IFA_LABEL]);
1898 else
1899 label = ll_idx_n2a(ifa->ifa_index, b1);
1900 if (fnmatch(filter.label, label, 0) != 0)
1901 continue;
1902 }
1903 }
1904
1905 ok = 1;
1906 break;
1907 }
1908 if (missing_net_address &&
1909 (filter.family == AF_UNSPEC || filter.family == AF_PACKET))
1910 ok = 1;
1911 if (!ok) {
1912 *lp = l->next;
1913 free(l);
1914 } else
1915 lp = &l->next;
1916 }
1917 }
1918
1919 static int ipaddr_flush(void)
1920 {
1921 int round = 0;
1922 char flushb[4096-512];
1923
1924 filter.flushb = flushb;
1925 filter.flushp = 0;
1926 filter.flushe = sizeof(flushb);
1927
1928 while ((max_flush_loops == 0) || (round < max_flush_loops)) {
1929 if (rtnl_wilddump_request(&rth, filter.family, RTM_GETADDR) < 0) {
1930 perror("Cannot send dump request");
1931 exit(1);
1932 }
1933 filter.flushed = 0;
1934 if (rtnl_dump_filter_nc(&rth, print_addrinfo,
1935 stdout, NLM_F_DUMP_INTR) < 0) {
1936 fprintf(stderr, "Flush terminated\n");
1937 exit(1);
1938 }
1939 if (filter.flushed == 0) {
1940 flush_done:
1941 if (show_stats) {
1942 if (round == 0)
1943 printf("Nothing to flush.\n");
1944 else
1945 printf("*** Flush is complete after %d round%s ***\n", round, round > 1?"s":"");
1946 }
1947 fflush(stdout);
1948 return 0;
1949 }
1950 round++;
1951 if (flush_update() < 0)
1952 return 1;
1953
1954 if (show_stats) {
1955 printf("\n*** Round %d, deleting %d addresses ***\n", round, filter.flushed);
1956 fflush(stdout);
1957 }
1958
1959 /* If we are flushing, and specifying primary, then we
1960 * want to flush only a single round. Otherwise, we'll
1961 * start flushing secondaries that were promoted to
1962 * primaries.
1963 */
1964 if (!(filter.flags & IFA_F_SECONDARY) && (filter.flagmask & IFA_F_SECONDARY))
1965 goto flush_done;
1966 }
1967 fprintf(stderr, "*** Flush remains incomplete after %d rounds. ***\n", max_flush_loops);
1968 fflush(stderr);
1969 return 1;
1970 }
1971
1972 static int iplink_filter_req(struct nlmsghdr *nlh, int reqlen)
1973 {
1974 int err;
1975
1976 err = addattr32(nlh, reqlen, IFLA_EXT_MASK, RTEXT_FILTER_VF);
1977 if (err)
1978 return err;
1979
1980 if (filter.master) {
1981 err = addattr32(nlh, reqlen, IFLA_MASTER, filter.master);
1982 if (err)
1983 return err;
1984 }
1985
1986 if (filter.kind) {
1987 struct rtattr *linkinfo;
1988
1989 linkinfo = addattr_nest(nlh, reqlen, IFLA_LINKINFO);
1990
1991 err = addattr_l(nlh, reqlen, IFLA_INFO_KIND, filter.kind,
1992 strlen(filter.kind));
1993 if (err)
1994 return err;
1995
1996 addattr_nest_end(nlh, linkinfo);
1997 }
1998
1999 return 0;
2000 }
2001
2002 /* fills in linfo with link data and optionally ainfo with address info
2003 * caller can walk lists as desired and must call free_nlmsg_chain for
2004 * both when done
2005 */
2006 int ip_linkaddr_list(int family, req_filter_fn_t filter_fn,
2007 struct nlmsg_chain *linfo, struct nlmsg_chain *ainfo)
2008 {
2009 if (rtnl_wilddump_req_filter_fn(&rth, preferred_family, RTM_GETLINK,
2010 filter_fn) < 0) {
2011 perror("Cannot send dump request");
2012 return 1;
2013 }
2014
2015 if (rtnl_dump_filter(&rth, store_nlmsg, linfo) < 0) {
2016 fprintf(stderr, "Dump terminated\n");
2017 return 1;
2018 }
2019
2020 if (ainfo) {
2021 if (rtnl_wilddump_request(&rth, family, RTM_GETADDR) < 0) {
2022 perror("Cannot send dump request");
2023 return 1;
2024 }
2025
2026 if (rtnl_dump_filter(&rth, store_nlmsg, ainfo) < 0) {
2027 fprintf(stderr, "Dump terminated\n");
2028 return 1;
2029 }
2030 }
2031
2032 return 0;
2033 }
2034
2035 static int ipaddr_list_flush_or_save(int argc, char **argv, int action)
2036 {
2037 struct nlmsg_chain linfo = { NULL, NULL};
2038 struct nlmsg_chain _ainfo = { NULL, NULL}, *ainfo = NULL;
2039 struct nlmsg_list *l;
2040 char *filter_dev = NULL;
2041 int no_link = 0;
2042
2043 ipaddr_reset_filter(oneline, 0);
2044 filter.showqueue = 1;
2045 filter.family = preferred_family;
2046 filter.group = -1;
2047
2048 if (action == IPADD_FLUSH) {
2049 if (argc <= 0) {
2050 fprintf(stderr, "Flush requires arguments.\n");
2051
2052 return -1;
2053 }
2054 if (filter.family == AF_PACKET) {
2055 fprintf(stderr, "Cannot flush link addresses.\n");
2056 return -1;
2057 }
2058 }
2059
2060 while (argc > 0) {
2061 if (strcmp(*argv, "to") == 0) {
2062 NEXT_ARG();
2063 if (get_prefix(&filter.pfx, *argv, filter.family))
2064 invarg("invalid \"to\"\n", *argv);
2065 if (filter.family == AF_UNSPEC)
2066 filter.family = filter.pfx.family;
2067 } else if (strcmp(*argv, "scope") == 0) {
2068 unsigned int scope = 0;
2069
2070 NEXT_ARG();
2071 filter.scopemask = -1;
2072 if (rtnl_rtscope_a2n(&scope, *argv)) {
2073 if (strcmp(*argv, "all") != 0)
2074 invarg("invalid \"scope\"\n", *argv);
2075 scope = RT_SCOPE_NOWHERE;
2076 filter.scopemask = 0;
2077 }
2078 filter.scope = scope;
2079 } else if (strcmp(*argv, "up") == 0) {
2080 filter.up = 1;
2081 } else if (get_filter(*argv) == 0) {
2082
2083 } else if (strcmp(*argv, "label") == 0) {
2084 NEXT_ARG();
2085 filter.label = *argv;
2086 } else if (strcmp(*argv, "group") == 0) {
2087 NEXT_ARG();
2088 if (rtnl_group_a2n(&filter.group, *argv))
2089 invarg("Invalid \"group\" value\n", *argv);
2090 } else if (strcmp(*argv, "master") == 0) {
2091 int ifindex;
2092
2093 NEXT_ARG();
2094 ifindex = ll_name_to_index(*argv);
2095 if (!ifindex)
2096 invarg("Device does not exist\n", *argv);
2097 filter.master = ifindex;
2098 } else if (strcmp(*argv, "vrf") == 0) {
2099 int ifindex;
2100
2101 NEXT_ARG();
2102 ifindex = ll_name_to_index(*argv);
2103 if (!ifindex)
2104 invarg("Not a valid VRF name\n", *argv);
2105 if (!name_is_vrf(*argv))
2106 invarg("Not a valid VRF name\n", *argv);
2107 filter.master = ifindex;
2108 } else if (strcmp(*argv, "type") == 0) {
2109 int soff;
2110
2111 NEXT_ARG();
2112 soff = strlen(*argv) - strlen("_slave");
2113 if (!strcmp(*argv + soff, "_slave")) {
2114 (*argv)[soff] = '\0';
2115 filter.slave_kind = *argv;
2116 } else {
2117 filter.kind = *argv;
2118 }
2119 } else {
2120 if (strcmp(*argv, "dev") == 0)
2121 NEXT_ARG();
2122 else if (matches(*argv, "help") == 0)
2123 usage();
2124 if (filter_dev)
2125 duparg2("dev", *argv);
2126 filter_dev = *argv;
2127 }
2128 argv++; argc--;
2129 }
2130
2131 if (filter_dev) {
2132 filter.ifindex = ll_name_to_index(filter_dev);
2133 if (filter.ifindex <= 0) {
2134 fprintf(stderr, "Device \"%s\" does not exist.\n", filter_dev);
2135 return -1;
2136 }
2137 }
2138
2139 if (action == IPADD_FLUSH)
2140 return ipaddr_flush();
2141
2142 if (action == IPADD_SAVE) {
2143 if (ipadd_save_prep())
2144 exit(1);
2145
2146 if (rtnl_wilddump_request(&rth, preferred_family, RTM_GETADDR) < 0) {
2147 perror("Cannot send dump request");
2148 exit(1);
2149 }
2150
2151 if (rtnl_dump_filter(&rth, save_nlmsg, stdout) < 0) {
2152 fprintf(stderr, "Save terminated\n");
2153 exit(1);
2154 }
2155
2156 exit(0);
2157 }
2158
2159 /*
2160 * Initialize a json_writer and open an array object
2161 * if -json was specified.
2162 */
2163 new_json_obj(json);
2164
2165 /*
2166 * If only filter_dev present and none of the other
2167 * link filters are present, use RTM_GETLINK to get
2168 * the link device
2169 */
2170 if (filter_dev && filter.group == -1 && do_link == 1) {
2171 if (iplink_get(0, filter_dev, RTEXT_FILTER_VF) < 0) {
2172 perror("Cannot send link get request");
2173 delete_json_obj();
2174 exit(1);
2175 }
2176 delete_json_obj();
2177 exit(0);
2178 }
2179
2180 if (filter.family != AF_PACKET) {
2181 ainfo = &_ainfo;
2182
2183 if (filter.oneline)
2184 no_link = 1;
2185 }
2186
2187 if (ip_linkaddr_list(filter.family, iplink_filter_req,
2188 &linfo, ainfo) != 0)
2189 goto out;
2190
2191 if (filter.family != AF_PACKET)
2192 ipaddr_filter(&linfo, ainfo);
2193
2194 for (l = linfo.head; l; l = l->next) {
2195 int res = 0;
2196 struct ifinfomsg *ifi = NLMSG_DATA(&l->h);
2197
2198 open_json_object(NULL);
2199 if (brief) {
2200 if (print_linkinfo_brief(NULL, &l->h,
2201 stdout, NULL) == 0)
2202 if (filter.family != AF_PACKET)
2203 print_selected_addrinfo(ifi,
2204 ainfo->head,
2205 stdout);
2206 } else if (no_link ||
2207 (res = print_linkinfo(NULL, &l->h, stdout)) >= 0) {
2208 if (filter.family != AF_PACKET)
2209 print_selected_addrinfo(ifi,
2210 ainfo->head, stdout);
2211 if (res > 0 && !do_link && show_stats)
2212 print_link_stats(stdout, &l->h);
2213 }
2214 close_json_object();
2215 }
2216 fflush(stdout);
2217
2218 out:
2219 if (ainfo)
2220 free_nlmsg_chain(ainfo);
2221 free_nlmsg_chain(&linfo);
2222 delete_json_obj();
2223 return 0;
2224 }
2225
2226 static void
2227 ipaddr_loop_each_vf(struct rtattr *tb[], int vfnum, int *min, int *max)
2228 {
2229 struct rtattr *vflist = tb[IFLA_VFINFO_LIST];
2230 struct rtattr *i, *vf[IFLA_VF_MAX+1];
2231 struct ifla_vf_rate *vf_rate;
2232 int rem;
2233
2234 rem = RTA_PAYLOAD(vflist);
2235
2236 for (i = RTA_DATA(vflist); RTA_OK(i, rem); i = RTA_NEXT(i, rem)) {
2237 parse_rtattr_nested(vf, IFLA_VF_MAX, i);
2238
2239 if (!vf[IFLA_VF_RATE]) {
2240 fprintf(stderr, "VF min/max rate API not supported\n");
2241 exit(1);
2242 }
2243
2244 vf_rate = RTA_DATA(vf[IFLA_VF_RATE]);
2245 if (vf_rate->vf == vfnum) {
2246 *min = vf_rate->min_tx_rate;
2247 *max = vf_rate->max_tx_rate;
2248 return;
2249 }
2250 }
2251 fprintf(stderr, "Cannot find VF %d\n", vfnum);
2252 exit(1);
2253 }
2254
2255 void ipaddr_get_vf_rate(int vfnum, int *min, int *max, int idx)
2256 {
2257 struct nlmsg_chain linfo = { NULL, NULL};
2258 struct rtattr *tb[IFLA_MAX+1];
2259 struct ifinfomsg *ifi;
2260 struct nlmsg_list *l;
2261 struct nlmsghdr *n;
2262 int len;
2263
2264 if (rtnl_wilddump_request(&rth, AF_UNSPEC, RTM_GETLINK) < 0) {
2265 perror("Cannot send dump request");
2266 exit(1);
2267 }
2268 if (rtnl_dump_filter(&rth, store_nlmsg, &linfo) < 0) {
2269 fprintf(stderr, "Dump terminated\n");
2270 exit(1);
2271 }
2272 for (l = linfo.head; l; l = l->next) {
2273 n = &l->h;
2274 ifi = NLMSG_DATA(n);
2275
2276 len = n->nlmsg_len - NLMSG_LENGTH(sizeof(*ifi));
2277 if (len < 0 || (idx && idx != ifi->ifi_index))
2278 continue;
2279
2280 parse_rtattr(tb, IFLA_MAX, IFLA_RTA(ifi), len);
2281
2282 if ((tb[IFLA_VFINFO_LIST] && tb[IFLA_NUM_VF])) {
2283 ipaddr_loop_each_vf(tb, vfnum, min, max);
2284 return;
2285 }
2286 }
2287 }
2288
2289 int ipaddr_list_link(int argc, char **argv)
2290 {
2291 preferred_family = AF_PACKET;
2292 do_link = 1;
2293 return ipaddr_list_flush_or_save(argc, argv, IPADD_LIST);
2294 }
2295
2296 void ipaddr_reset_filter(int oneline, int ifindex)
2297 {
2298 memset(&filter, 0, sizeof(filter));
2299 filter.oneline = oneline;
2300 filter.ifindex = ifindex;
2301 }
2302
2303 static int default_scope(inet_prefix *lcl)
2304 {
2305 if (lcl->family == AF_INET) {
2306 if (lcl->bytelen >= 1 && *(__u8 *)&lcl->data == 127)
2307 return RT_SCOPE_HOST;
2308 }
2309 return 0;
2310 }
2311
2312 static bool ipaddr_is_multicast(inet_prefix *a)
2313 {
2314 if (a->family == AF_INET)
2315 return IN_MULTICAST(ntohl(a->data[0]));
2316 else if (a->family == AF_INET6)
2317 return IN6_IS_ADDR_MULTICAST(a->data);
2318 else
2319 return false;
2320 }
2321
2322 static int ipaddr_modify(int cmd, int flags, int argc, char **argv)
2323 {
2324 struct {
2325 struct nlmsghdr n;
2326 struct ifaddrmsg ifa;
2327 char buf[256];
2328 } req = {
2329 .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg)),
2330 .n.nlmsg_flags = NLM_F_REQUEST | flags,
2331 .n.nlmsg_type = cmd,
2332 .ifa.ifa_family = preferred_family,
2333 };
2334 char *d = NULL;
2335 char *l = NULL;
2336 char *lcl_arg = NULL;
2337 char *valid_lftp = NULL;
2338 char *preferred_lftp = NULL;
2339 inet_prefix lcl = {};
2340 inet_prefix peer;
2341 int local_len = 0;
2342 int peer_len = 0;
2343 int brd_len = 0;
2344 int any_len = 0;
2345 int scoped = 0;
2346 __u32 preferred_lft = INFINITY_LIFE_TIME;
2347 __u32 valid_lft = INFINITY_LIFE_TIME;
2348 unsigned int ifa_flags = 0;
2349
2350 while (argc > 0) {
2351 if (strcmp(*argv, "peer") == 0 ||
2352 strcmp(*argv, "remote") == 0) {
2353 NEXT_ARG();
2354
2355 if (peer_len)
2356 duparg("peer", *argv);
2357 get_prefix(&peer, *argv, req.ifa.ifa_family);
2358 peer_len = peer.bytelen;
2359 if (req.ifa.ifa_family == AF_UNSPEC)
2360 req.ifa.ifa_family = peer.family;
2361 addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &peer.data, peer.bytelen);
2362 req.ifa.ifa_prefixlen = peer.bitlen;
2363 } else if (matches(*argv, "broadcast") == 0 ||
2364 strcmp(*argv, "brd") == 0) {
2365 inet_prefix addr;
2366
2367 NEXT_ARG();
2368 if (brd_len)
2369 duparg("broadcast", *argv);
2370 if (strcmp(*argv, "+") == 0)
2371 brd_len = -1;
2372 else if (strcmp(*argv, "-") == 0)
2373 brd_len = -2;
2374 else {
2375 get_addr(&addr, *argv, req.ifa.ifa_family);
2376 if (req.ifa.ifa_family == AF_UNSPEC)
2377 req.ifa.ifa_family = addr.family;
2378 addattr_l(&req.n, sizeof(req), IFA_BROADCAST, &addr.data, addr.bytelen);
2379 brd_len = addr.bytelen;
2380 }
2381 } else if (strcmp(*argv, "anycast") == 0) {
2382 inet_prefix addr;
2383
2384 NEXT_ARG();
2385 if (any_len)
2386 duparg("anycast", *argv);
2387 get_addr(&addr, *argv, req.ifa.ifa_family);
2388 if (req.ifa.ifa_family == AF_UNSPEC)
2389 req.ifa.ifa_family = addr.family;
2390 addattr_l(&req.n, sizeof(req), IFA_ANYCAST, &addr.data, addr.bytelen);
2391 any_len = addr.bytelen;
2392 } else if (strcmp(*argv, "scope") == 0) {
2393 unsigned int scope = 0;
2394
2395 NEXT_ARG();
2396 if (rtnl_rtscope_a2n(&scope, *argv))
2397 invarg("invalid scope value.", *argv);
2398 req.ifa.ifa_scope = scope;
2399 scoped = 1;
2400 } else if (strcmp(*argv, "dev") == 0) {
2401 NEXT_ARG();
2402 d = *argv;
2403 } else if (strcmp(*argv, "label") == 0) {
2404 NEXT_ARG();
2405 l = *argv;
2406 addattr_l(&req.n, sizeof(req), IFA_LABEL, l, strlen(l)+1);
2407 } else if (matches(*argv, "valid_lft") == 0) {
2408 if (valid_lftp)
2409 duparg("valid_lft", *argv);
2410 NEXT_ARG();
2411 valid_lftp = *argv;
2412 if (set_lifetime(&valid_lft, *argv))
2413 invarg("valid_lft value", *argv);
2414 } else if (matches(*argv, "preferred_lft") == 0) {
2415 if (preferred_lftp)
2416 duparg("preferred_lft", *argv);
2417 NEXT_ARG();
2418 preferred_lftp = *argv;
2419 if (set_lifetime(&preferred_lft, *argv))
2420 invarg("preferred_lft value", *argv);
2421 } else if (strcmp(*argv, "home") == 0) {
2422 ifa_flags |= IFA_F_HOMEADDRESS;
2423 } else if (strcmp(*argv, "nodad") == 0) {
2424 ifa_flags |= IFA_F_NODAD;
2425 } else if (strcmp(*argv, "mngtmpaddr") == 0) {
2426 ifa_flags |= IFA_F_MANAGETEMPADDR;
2427 } else if (strcmp(*argv, "noprefixroute") == 0) {
2428 ifa_flags |= IFA_F_NOPREFIXROUTE;
2429 } else if (strcmp(*argv, "autojoin") == 0) {
2430 ifa_flags |= IFA_F_MCAUTOJOIN;
2431 } else {
2432 if (strcmp(*argv, "local") == 0)
2433 NEXT_ARG();
2434 if (matches(*argv, "help") == 0)
2435 usage();
2436 if (local_len)
2437 duparg2("local", *argv);
2438 lcl_arg = *argv;
2439 get_prefix(&lcl, *argv, req.ifa.ifa_family);
2440 if (req.ifa.ifa_family == AF_UNSPEC)
2441 req.ifa.ifa_family = lcl.family;
2442 addattr_l(&req.n, sizeof(req), IFA_LOCAL, &lcl.data, lcl.bytelen);
2443 local_len = lcl.bytelen;
2444 }
2445 argc--; argv++;
2446 }
2447 if (ifa_flags <= 0xff)
2448 req.ifa.ifa_flags = ifa_flags;
2449 else
2450 addattr32(&req.n, sizeof(req), IFA_FLAGS, ifa_flags);
2451
2452 if (d == NULL) {
2453 fprintf(stderr, "Not enough information: \"dev\" argument is required.\n");
2454 return -1;
2455 }
2456 if (l && matches(d, l) != 0) {
2457 fprintf(stderr, "\"dev\" (%s) must match \"label\" (%s).\n", d, l);
2458 return -1;
2459 }
2460
2461 if (peer_len == 0 && local_len) {
2462 if (cmd == RTM_DELADDR && lcl.family == AF_INET && !(lcl.flags & PREFIXLEN_SPECIFIED)) {
2463 fprintf(stderr,
2464 "Warning: Executing wildcard deletion to stay compatible with old scripts.\n"
2465 " Explicitly specify the prefix length (%s/%d) to avoid this warning.\n"
2466 " This special behaviour is likely to disappear in further releases,\n"
2467 " fix your scripts!\n", lcl_arg, local_len*8);
2468 } else {
2469 peer = lcl;
2470 addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &lcl.data, lcl.bytelen);
2471 }
2472 }
2473 if (req.ifa.ifa_prefixlen == 0)
2474 req.ifa.ifa_prefixlen = lcl.bitlen;
2475
2476 if (brd_len < 0 && cmd != RTM_DELADDR) {
2477 inet_prefix brd;
2478 int i;
2479
2480 if (req.ifa.ifa_family != AF_INET) {
2481 fprintf(stderr, "Broadcast can be set only for IPv4 addresses\n");
2482 return -1;
2483 }
2484 brd = peer;
2485 if (brd.bitlen <= 30) {
2486 for (i = 31; i >= brd.bitlen; i--) {
2487 if (brd_len == -1)
2488 brd.data[0] |= htonl(1<<(31-i));
2489 else
2490 brd.data[0] &= ~htonl(1<<(31-i));
2491 }
2492 addattr_l(&req.n, sizeof(req), IFA_BROADCAST, &brd.data, brd.bytelen);
2493 brd_len = brd.bytelen;
2494 }
2495 }
2496 if (!scoped && cmd != RTM_DELADDR)
2497 req.ifa.ifa_scope = default_scope(&lcl);
2498
2499 if ((req.ifa.ifa_index = ll_name_to_index(d)) == 0) {
2500 fprintf(stderr, "Cannot find device \"%s\"\n", d);
2501 return -1;
2502 }
2503
2504 if (valid_lftp || preferred_lftp) {
2505 struct ifa_cacheinfo cinfo = {};
2506
2507 if (!valid_lft) {
2508 fprintf(stderr, "valid_lft is zero\n");
2509 return -1;
2510 }
2511 if (valid_lft < preferred_lft) {
2512 fprintf(stderr, "preferred_lft is greater than valid_lft\n");
2513 return -1;
2514 }
2515
2516 cinfo.ifa_prefered = preferred_lft;
2517 cinfo.ifa_valid = valid_lft;
2518 addattr_l(&req.n, sizeof(req), IFA_CACHEINFO, &cinfo,
2519 sizeof(cinfo));
2520 }
2521
2522 if ((ifa_flags & IFA_F_MCAUTOJOIN) && !ipaddr_is_multicast(&lcl)) {
2523 fprintf(stderr, "autojoin needs multicast address\n");
2524 return -1;
2525 }
2526
2527 if (rtnl_talk(&rth, &req.n, NULL) < 0)
2528 return -2;
2529
2530 return 0;
2531 }
2532
2533 int do_ipaddr(int argc, char **argv)
2534 {
2535 if (argc < 1)
2536 return ipaddr_list_flush_or_save(0, NULL, IPADD_LIST);
2537 if (matches(*argv, "add") == 0)
2538 return ipaddr_modify(RTM_NEWADDR, NLM_F_CREATE|NLM_F_EXCL, argc-1, argv+1);
2539 if (matches(*argv, "change") == 0 ||
2540 strcmp(*argv, "chg") == 0)
2541 return ipaddr_modify(RTM_NEWADDR, NLM_F_REPLACE, argc-1, argv+1);
2542 if (matches(*argv, "replace") == 0)
2543 return ipaddr_modify(RTM_NEWADDR, NLM_F_CREATE|NLM_F_REPLACE, argc-1, argv+1);
2544 if (matches(*argv, "delete") == 0)
2545 return ipaddr_modify(RTM_DELADDR, 0, argc-1, argv+1);
2546 if (matches(*argv, "list") == 0 || matches(*argv, "show") == 0
2547 || matches(*argv, "lst") == 0)
2548 return ipaddr_list_flush_or_save(argc-1, argv+1, IPADD_LIST);
2549 if (matches(*argv, "flush") == 0)
2550 return ipaddr_list_flush_or_save(argc-1, argv+1, IPADD_FLUSH);
2551 if (matches(*argv, "save") == 0)
2552 return ipaddr_list_flush_or_save(argc-1, argv+1, IPADD_SAVE);
2553 if (matches(*argv, "showdump") == 0)
2554 return ipaddr_showdump();
2555 if (matches(*argv, "restore") == 0)
2556 return ipaddr_restore();
2557 if (matches(*argv, "help") == 0)
2558 usage();
2559 fprintf(stderr, "Command \"%s\" is unknown, try \"ip address help\".\n", *argv);
2560 exit(-1);
2561 }
Upstream mirror of iproute2