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13#include <stdarg.h>
14#include <stdio.h>
15#include <stdlib.h>
16#include <unistd.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/if_infiniband.h>
31#include <linux/sockios.h>
32#include <linux/net_namespace.h>
33
34#include "rt_names.h"
35#include "utils.h"
36#include "ll_map.h"
37#include "ip_common.h"
38#include "color.h"
39
40enum {
41 IPADD_LIST,
42 IPADD_FLUSH,
43 IPADD_SAVE,
44};
45
46static struct link_filter filter;
47static int do_link;
48
49static void usage(void) __attribute__((noreturn));
50
51static void usage(void)
52{
53 if (do_link)
54 iplink_usage();
55
56 fprintf(stderr,
57 "Usage: ip address {add|change|replace} IFADDR dev IFNAME [ LIFETIME ]\n"
58 " [ CONFFLAG-LIST ]\n"
59 " ip address del IFADDR dev IFNAME [mngtmpaddr]\n"
60 " ip address {save|flush} [ dev IFNAME ] [ scope SCOPE-ID ]\n"
61 " [ to PREFIX ] [ FLAG-LIST ] [ label LABEL ] [up]\n"
62 " ip address [ show [ dev IFNAME ] [ scope SCOPE-ID ] [ master DEVICE ]\n"
63 " [ type TYPE ] [ to PREFIX ] [ FLAG-LIST ]\n"
64 " [ label LABEL ] [up] [ vrf NAME ] ]\n"
65 " ip address {showdump|restore}\n"
66 "IFADDR := PREFIX | ADDR peer PREFIX\n"
67 " [ broadcast ADDR ] [ anycast ADDR ]\n"
68 " [ label IFNAME ] [ scope SCOPE-ID ] [ metric METRIC ]\n"
69 "SCOPE-ID := [ host | link | global | NUMBER ]\n"
70 "FLAG-LIST := [ FLAG-LIST ] FLAG\n"
71 "FLAG := [ permanent | dynamic | secondary | primary |\n"
72 " [-]tentative | [-]deprecated | [-]dadfailed | temporary |\n"
73 " CONFFLAG-LIST ]\n"
74 "CONFFLAG-LIST := [ CONFFLAG-LIST ] CONFFLAG\n"
75 "CONFFLAG := [ home | nodad | mngtmpaddr | noprefixroute | autojoin ]\n"
76 "LIFETIME := [ valid_lft LFT ] [ preferred_lft LFT ]\n"
77 "LFT := forever | SECONDS\n");
78 iplink_types_usage();
79
80 exit(-1);
81}
82
83static void print_link_flags(FILE *fp, unsigned int flags, unsigned int mdown)
84{
85 open_json_array(PRINT_ANY, is_json_context() ? "flags" : "<");
86 if (flags & IFF_UP && !(flags & IFF_RUNNING))
87 print_string(PRINT_ANY, NULL,
88 flags ? "%s," : "%s", "NO-CARRIER");
89 flags &= ~IFF_RUNNING;
90#define _PF(f) if (flags&IFF_##f) { \
91 flags &= ~IFF_##f ; \
92 print_string(PRINT_ANY, NULL, flags ? "%s," : "%s", #f); }
93 _PF(LOOPBACK);
94 _PF(BROADCAST);
95 _PF(POINTOPOINT);
96 _PF(MULTICAST);
97 _PF(NOARP);
98 _PF(ALLMULTI);
99 _PF(PROMISC);
100 _PF(MASTER);
101 _PF(SLAVE);
102 _PF(DEBUG);
103 _PF(DYNAMIC);
104 _PF(AUTOMEDIA);
105 _PF(PORTSEL);
106 _PF(NOTRAILERS);
107 _PF(UP);
108 _PF(LOWER_UP);
109 _PF(DORMANT);
110 _PF(ECHO);
111#undef _PF
112 if (flags)
113 print_hex(PRINT_ANY, NULL, "%x", flags);
114 if (mdown)
115 print_string(PRINT_ANY, NULL, ",%s", "M-DOWN");
116 close_json_array(PRINT_ANY, "> ");
117}
118
119static const char *oper_states[] = {
120 "UNKNOWN", "NOTPRESENT", "DOWN", "LOWERLAYERDOWN",
121 "TESTING", "DORMANT", "UP"
122};
123
124static void print_operstate(FILE *f, __u8 state)
125{
126 if (state >= ARRAY_SIZE(oper_states)) {
127 if (is_json_context())
128 print_uint(PRINT_JSON, "operstate_index", NULL, state);
129 else
130 print_0xhex(PRINT_FP, NULL, "state %#llx", state);
131 } else if (brief) {
132 print_color_string(PRINT_ANY,
133 oper_state_color(state),
134 "operstate",
135 "%-14s ",
136 oper_states[state]);
137 } else {
138 if (is_json_context())
139 print_string(PRINT_JSON,
140 "operstate",
141 NULL, oper_states[state]);
142 else {
143 fprintf(f, "state ");
144 color_fprintf(f, oper_state_color(state),
145 "%s ", oper_states[state]);
146 }
147 }
148}
149
150int get_operstate(const char *name)
151{
152 int i;
153
154 for (i = 0; i < ARRAY_SIZE(oper_states); i++)
155 if (strcasecmp(name, oper_states[i]) == 0)
156 return i;
157 return -1;
158}
159
160static void print_queuelen(FILE *f, struct rtattr *tb[IFLA_MAX + 1])
161{
162 int qlen;
163
164 if (tb[IFLA_TXQLEN])
165 qlen = rta_getattr_u32(tb[IFLA_TXQLEN]);
166 else {
167 struct ifreq ifr = {};
168 int s = socket(AF_INET, SOCK_STREAM, 0);
169
170 if (s < 0)
171 return;
172
173 strcpy(ifr.ifr_name, rta_getattr_str(tb[IFLA_IFNAME]));
174 if (ioctl(s, SIOCGIFTXQLEN, &ifr) < 0) {
175 fprintf(stderr,
176 "ioctl(SIOCGIFTXQLEN) failed: %s\n",
177 strerror(errno));
178 close(s);
179 return;
180 }
181 close(s);
182 qlen = ifr.ifr_qlen;
183 }
184 if (qlen)
185 print_int(PRINT_ANY, "txqlen", "qlen %d", qlen);
186}
187
188static const char *link_modes[] = {
189 "DEFAULT", "DORMANT"
190};
191
192static void print_linkmode(FILE *f, struct rtattr *tb)
193{
194 unsigned int mode = rta_getattr_u8(tb);
195
196 if (mode >= ARRAY_SIZE(link_modes))
197 print_int(PRINT_ANY,
198 "linkmode_index",
199 "mode %d ",
200 mode);
201 else
202 print_string(PRINT_ANY,
203 "linkmode",
204 "mode %s "
205 , link_modes[mode]);
206}
207
208static char *parse_link_kind(struct rtattr *tb, bool slave)
209{
210 struct rtattr *linkinfo[IFLA_INFO_MAX+1];
211 int attr = slave ? IFLA_INFO_SLAVE_KIND : IFLA_INFO_KIND;
212
213 parse_rtattr_nested(linkinfo, IFLA_INFO_MAX, tb);
214
215 if (linkinfo[attr])
216 return RTA_DATA(linkinfo[attr]);
217
218 return "";
219}
220
221static int match_link_kind(struct rtattr **tb, const char *kind, bool slave)
222{
223 if (!tb[IFLA_LINKINFO])
224 return -1;
225
226 return strcmp(parse_link_kind(tb[IFLA_LINKINFO], slave), kind);
227}
228
229static void print_linktype(FILE *fp, struct rtattr *tb)
230{
231 struct rtattr *linkinfo[IFLA_INFO_MAX+1];
232 struct link_util *lu;
233 struct link_util *slave_lu;
234 char slave[32];
235
236 parse_rtattr_nested(linkinfo, IFLA_INFO_MAX, tb);
237 open_json_object("linkinfo");
238
239 if (linkinfo[IFLA_INFO_KIND]) {
240 const char *kind
241 = rta_getattr_str(linkinfo[IFLA_INFO_KIND]);
242
243 print_nl();
244 print_string(PRINT_ANY, "info_kind", " %s ", kind);
245
246 lu = get_link_kind(kind);
247 if (lu && lu->print_opt) {
248 struct rtattr *attr[lu->maxattr+1], **data = NULL;
249
250 if (linkinfo[IFLA_INFO_DATA]) {
251 parse_rtattr_nested(attr, lu->maxattr,
252 linkinfo[IFLA_INFO_DATA]);
253 data = attr;
254 }
255 open_json_object("info_data");
256 lu->print_opt(lu, fp, data);
257 close_json_object();
258
259 if (linkinfo[IFLA_INFO_XSTATS] && show_stats &&
260 lu->print_xstats) {
261 open_json_object("info_xstats");
262 lu->print_xstats(lu, fp, linkinfo[IFLA_INFO_XSTATS]);
263 close_json_object();
264 }
265 }
266 }
267
268 if (linkinfo[IFLA_INFO_SLAVE_KIND]) {
269 const char *slave_kind
270 = rta_getattr_str(linkinfo[IFLA_INFO_SLAVE_KIND]);
271
272 print_nl();
273 print_string(PRINT_ANY,
274 "info_slave_kind",
275 " %s_slave ",
276 slave_kind);
277
278 snprintf(slave, sizeof(slave), "%s_slave", slave_kind);
279
280 slave_lu = get_link_kind(slave);
281 if (slave_lu && slave_lu->print_opt) {
282 struct rtattr *attr[slave_lu->maxattr+1], **data = NULL;
283
284 if (linkinfo[IFLA_INFO_SLAVE_DATA]) {
285 parse_rtattr_nested(attr, slave_lu->maxattr,
286 linkinfo[IFLA_INFO_SLAVE_DATA]);
287 data = attr;
288 }
289 open_json_object("info_slave_data");
290 slave_lu->print_opt(slave_lu, fp, data);
291 close_json_object();
292 }
293 }
294 close_json_object();
295}
296
297static void print_af_spec(FILE *fp, struct rtattr *af_spec_attr)
298{
299 struct rtattr *inet6_attr;
300 struct rtattr *tb[IFLA_INET6_MAX + 1];
301
302 inet6_attr = parse_rtattr_one_nested(AF_INET6, af_spec_attr);
303 if (!inet6_attr)
304 return;
305
306 parse_rtattr_nested(tb, IFLA_INET6_MAX, inet6_attr);
307
308 if (tb[IFLA_INET6_ADDR_GEN_MODE]) {
309 __u8 mode = rta_getattr_u8(tb[IFLA_INET6_ADDR_GEN_MODE]);
310 SPRINT_BUF(b1);
311
312 switch (mode) {
313 case IN6_ADDR_GEN_MODE_EUI64:
314 print_string(PRINT_ANY,
315 "inet6_addr_gen_mode",
316 "addrgenmode %s ",
317 "eui64");
318 break;
319 case IN6_ADDR_GEN_MODE_NONE:
320 print_string(PRINT_ANY,
321 "inet6_addr_gen_mode",
322 "addrgenmode %s ",
323 "none");
324 break;
325 case IN6_ADDR_GEN_MODE_STABLE_PRIVACY:
326 print_string(PRINT_ANY,
327 "inet6_addr_gen_mode",
328 "addrgenmode %s ",
329 "stable_secret");
330 break;
331 case IN6_ADDR_GEN_MODE_RANDOM:
332 print_string(PRINT_ANY,
333 "inet6_addr_gen_mode",
334 "addrgenmode %s ",
335 "random");
336 break;
337 default:
338 snprintf(b1, sizeof(b1), "%#.2hhx", mode);
339 print_string(PRINT_ANY,
340 "inet6_addr_gen_mode",
341 "addrgenmode %s ",
342 b1);
343 break;
344 }
345 }
346}
347
348static void print_vf_stats64(FILE *fp, struct rtattr *vfstats);
349
350static void print_vfinfo(FILE *fp, struct ifinfomsg *ifi, struct rtattr *vfinfo)
351{
352 struct ifla_vf_mac *vf_mac;
353 struct ifla_vf_broadcast *vf_broadcast;
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_broadcast = RTA_DATA(vf[IFLA_VF_BROADCAST]);
368 vf_tx_rate = RTA_DATA(vf[IFLA_VF_TX_RATE]);
369
370 print_string(PRINT_FP, NULL, "%s ", _SL_);
371 print_int(PRINT_ANY, "vf", "vf %d ", vf_mac->vf);
372
373 print_string(PRINT_ANY,
374 "link_type",
375 " link/%s ",
376 ll_type_n2a(ifi->ifi_type, b1, sizeof(b1)));
377
378 print_color_string(PRINT_ANY, COLOR_MAC,
379 "address", "%s",
380 ll_addr_n2a((unsigned char *) &vf_mac->mac,
381 ifi->ifi_type == ARPHRD_ETHER ?
382 ETH_ALEN : INFINIBAND_ALEN,
383 ifi->ifi_type,
384 b1, sizeof(b1)));
385
386 if (vf[IFLA_VF_BROADCAST]) {
387 if (ifi->ifi_flags&IFF_POINTOPOINT) {
388 print_string(PRINT_FP, NULL, " peer ", NULL);
389 print_bool(PRINT_JSON,
390 "link_pointtopoint", NULL, true);
391 } else
392 print_string(PRINT_FP, NULL, " brd ", NULL);
393
394 print_color_string(PRINT_ANY, COLOR_MAC,
395 "broadcast", "%s",
396 ll_addr_n2a((unsigned char *) &vf_broadcast->broadcast,
397 ifi->ifi_type == ARPHRD_ETHER ?
398 ETH_ALEN : INFINIBAND_ALEN,
399 ifi->ifi_type,
400 b1, sizeof(b1)));
401 }
402
403 if (vf[IFLA_VF_VLAN_LIST]) {
404 struct rtattr *i, *vfvlanlist = vf[IFLA_VF_VLAN_LIST];
405 int rem = RTA_PAYLOAD(vfvlanlist);
406
407 open_json_array(PRINT_JSON, "vlan_list");
408 for (i = RTA_DATA(vfvlanlist);
409 RTA_OK(i, rem); i = RTA_NEXT(i, rem)) {
410 struct ifla_vf_vlan_info *vf_vlan_info = RTA_DATA(i);
411 SPRINT_BUF(b2);
412
413 open_json_object(NULL);
414 if (vf_vlan_info->vlan)
415 print_int(PRINT_ANY,
416 "vlan",
417 ", vlan %d",
418 vf_vlan_info->vlan);
419 if (vf_vlan_info->qos)
420 print_int(PRINT_ANY,
421 "qos",
422 ", qos %d",
423 vf_vlan_info->qos);
424 if (vf_vlan_info->vlan_proto &&
425 vf_vlan_info->vlan_proto != htons(ETH_P_8021Q))
426 print_string(PRINT_ANY,
427 "protocol",
428 ", vlan protocol %s",
429 ll_proto_n2a(
430 vf_vlan_info->vlan_proto,
431 b2, sizeof(b2)));
432 close_json_object();
433 }
434 close_json_array(PRINT_JSON, NULL);
435 } else {
436 struct ifla_vf_vlan *vf_vlan = RTA_DATA(vf[IFLA_VF_VLAN]);
437
438 if (vf_vlan->vlan)
439 print_int(PRINT_ANY,
440 "vlan",
441 ", vlan %d",
442 vf_vlan->vlan);
443 if (vf_vlan->qos)
444 print_int(PRINT_ANY, "qos", ", qos %d", vf_vlan->qos);
445 }
446
447 if (vf_tx_rate->rate)
448 print_uint(PRINT_ANY,
449 "tx_rate",
450 ", tx rate %u (Mbps)",
451 vf_tx_rate->rate);
452
453 if (vf[IFLA_VF_RATE]) {
454 struct ifla_vf_rate *vf_rate = RTA_DATA(vf[IFLA_VF_RATE]);
455 int max_tx = vf_rate->max_tx_rate;
456 int min_tx = vf_rate->min_tx_rate;
457
458 if (is_json_context()) {
459 open_json_object("rate");
460 print_uint(PRINT_JSON, "max_tx", NULL, max_tx);
461 print_uint(PRINT_ANY, "min_tx", NULL, min_tx);
462 close_json_object();
463 } else {
464 if (max_tx)
465 fprintf(fp, ", max_tx_rate %uMbps", max_tx);
466 if (min_tx)
467 fprintf(fp, ", min_tx_rate %uMbps", min_tx);
468 }
469 }
470
471 if (vf[IFLA_VF_SPOOFCHK]) {
472 struct ifla_vf_spoofchk *vf_spoofchk =
473 RTA_DATA(vf[IFLA_VF_SPOOFCHK]);
474
475 if (vf_spoofchk->setting != -1)
476 print_bool(PRINT_ANY,
477 "spoofchk",
478 vf_spoofchk->setting ?
479 ", spoof checking on" : ", spoof checking off",
480 vf_spoofchk->setting);
481 }
482
483 if (vf[IFLA_VF_IB_NODE_GUID]) {
484 struct ifla_vf_guid *guid = RTA_DATA(vf[IFLA_VF_IB_NODE_GUID]);
485 uint64_t node_guid = ntohll(guid->guid);
486
487 print_string(PRINT_ANY, "node guid", ", NODE_GUID %s",
488 ll_addr_n2a((const unsigned char *)&node_guid,
489 sizeof(node_guid), ARPHRD_INFINIBAND,
490 b1, sizeof(b1)));
491 }
492 if (vf[IFLA_VF_IB_PORT_GUID]) {
493 struct ifla_vf_guid *guid = RTA_DATA(vf[IFLA_VF_IB_PORT_GUID]);
494 uint64_t port_guid = ntohll(guid->guid);
495
496 print_string(PRINT_ANY, "port guid", ", PORT_GUID %s",
497 ll_addr_n2a((const unsigned char *)&port_guid,
498 sizeof(port_guid), ARPHRD_INFINIBAND,
499 b1, sizeof(b1)));
500 }
501 if (vf[IFLA_VF_LINK_STATE]) {
502 struct ifla_vf_link_state *vf_linkstate =
503 RTA_DATA(vf[IFLA_VF_LINK_STATE]);
504
505 if (vf_linkstate->link_state == IFLA_VF_LINK_STATE_AUTO)
506 print_string(PRINT_ANY,
507 "link_state",
508 ", link-state %s",
509 "auto");
510 else if (vf_linkstate->link_state == IFLA_VF_LINK_STATE_ENABLE)
511 print_string(PRINT_ANY,
512 "link_state",
513 ", link-state %s",
514 "enable");
515 else
516 print_string(PRINT_ANY,
517 "link_state",
518 ", link-state %s",
519 "disable");
520 }
521
522 if (vf[IFLA_VF_TRUST]) {
523 struct ifla_vf_trust *vf_trust = RTA_DATA(vf[IFLA_VF_TRUST]);
524
525 if (vf_trust->setting != -1)
526 print_bool(PRINT_ANY,
527 "trust",
528 vf_trust->setting ? ", trust on" : ", trust off",
529 vf_trust->setting);
530 }
531
532 if (vf[IFLA_VF_RSS_QUERY_EN]) {
533 struct ifla_vf_rss_query_en *rss_query =
534 RTA_DATA(vf[IFLA_VF_RSS_QUERY_EN]);
535
536 if (rss_query->setting != -1)
537 print_bool(PRINT_ANY,
538 "query_rss_en",
539 rss_query->setting ? ", query_rss on"
540 : ", query_rss off",
541 rss_query->setting);
542 }
543
544 if (vf[IFLA_VF_STATS] && show_stats)
545 print_vf_stats64(fp, vf[IFLA_VF_STATS]);
546}
547
548static void size_columns(unsigned int cols[], unsigned int n, ...)
549{
550 unsigned int i, len;
551 uint64_t val, powi;
552 va_list args;
553
554 va_start(args, n);
555
556 for (i = 0; i < n; i++) {
557 val = va_arg(args, unsigned long long);
558
559 if (human_readable)
560 continue;
561
562 for (len = 1, powi = 10; powi < val; len++, powi *= 10)
563 ;
564 if (len > cols[i])
565 cols[i] = len;
566 }
567
568 va_end(args);
569}
570
571void print_num(FILE *fp, unsigned int width, uint64_t count)
572{
573 const char *prefix = "kMGTPE";
574 const unsigned int base = use_iec ? 1024 : 1000;
575 uint64_t powi = 1;
576 uint16_t powj = 1;
577 uint8_t precision = 2;
578 char buf[64];
579
580 if (!human_readable || count < base) {
581 fprintf(fp, "%*"PRIu64" ", width, count);
582 return;
583 }
584
585
586
587
588 for (;;) {
589 powi *= base;
590 if (count / base < powi)
591 break;
592
593 if (!prefix[1])
594 break;
595 ++prefix;
596 }
597
598
599 for (; precision > 0; precision--) {
600 powj *= 10;
601 if (count / powi < powj)
602 break;
603 }
604
605 snprintf(buf, sizeof(buf), "%.*f%c%s", precision,
606 (double) count / powi, *prefix, use_iec ? "i" : "");
607
608 fprintf(fp, "%*s ", width, buf);
609}
610
611static void print_vf_stats64(FILE *fp, struct rtattr *vfstats)
612{
613 struct rtattr *vf[IFLA_VF_STATS_MAX + 1];
614
615 if (vfstats->rta_type != IFLA_VF_STATS) {
616 fprintf(stderr, "BUG: rta type is %d\n", vfstats->rta_type);
617 return;
618 }
619
620 parse_rtattr_nested(vf, IFLA_VF_STATS_MAX, vfstats);
621
622 if (is_json_context()) {
623 open_json_object("stats");
624
625
626 open_json_object("rx");
627 print_u64(PRINT_JSON, "bytes", NULL,
628 rta_getattr_u64(vf[IFLA_VF_STATS_RX_BYTES]));
629 print_u64(PRINT_JSON, "packets", NULL,
630 rta_getattr_u64(vf[IFLA_VF_STATS_RX_PACKETS]));
631 print_u64(PRINT_JSON, "multicast", NULL,
632 rta_getattr_u64(vf[IFLA_VF_STATS_MULTICAST]));
633 print_u64(PRINT_JSON, "broadcast", NULL,
634 rta_getattr_u64(vf[IFLA_VF_STATS_BROADCAST]));
635 if (vf[IFLA_VF_STATS_RX_DROPPED])
636 print_u64(PRINT_JSON, "dropped", NULL,
637 rta_getattr_u64(vf[IFLA_VF_STATS_RX_DROPPED]));
638 close_json_object();
639
640
641 open_json_object("tx");
642 print_u64(PRINT_JSON, "tx_bytes", NULL,
643 rta_getattr_u64(vf[IFLA_VF_STATS_TX_BYTES]));
644 print_u64(PRINT_JSON, "tx_packets", NULL,
645 rta_getattr_u64(vf[IFLA_VF_STATS_TX_PACKETS]));
646 if (vf[IFLA_VF_STATS_TX_DROPPED])
647 print_u64(PRINT_JSON, "dropped", NULL,
648 rta_getattr_u64(vf[IFLA_VF_STATS_TX_DROPPED]));
649 close_json_object();
650 close_json_object();
651 } else {
652
653 fprintf(fp, "%s", _SL_);
654 fprintf(fp, " RX: bytes packets mcast bcast ");
655 if (vf[IFLA_VF_STATS_RX_DROPPED])
656 fprintf(fp, " dropped ");
657 fprintf(fp, "%s", _SL_);
658 fprintf(fp, " ");
659
660 print_num(fp, 10, rta_getattr_u64(vf[IFLA_VF_STATS_RX_BYTES]));
661 print_num(fp, 8, rta_getattr_u64(vf[IFLA_VF_STATS_RX_PACKETS]));
662 print_num(fp, 7, rta_getattr_u64(vf[IFLA_VF_STATS_MULTICAST]));
663 print_num(fp, 7, rta_getattr_u64(vf[IFLA_VF_STATS_BROADCAST]));
664 if (vf[IFLA_VF_STATS_RX_DROPPED])
665 print_num(fp, 8, rta_getattr_u64(vf[IFLA_VF_STATS_RX_DROPPED]));
666
667
668 fprintf(fp, "%s", _SL_);
669 fprintf(fp, " TX: bytes packets ");
670 if (vf[IFLA_VF_STATS_TX_DROPPED])
671 fprintf(fp, " dropped ");
672 fprintf(fp, "%s", _SL_);
673 fprintf(fp, " ");
674
675 print_num(fp, 10, rta_getattr_u64(vf[IFLA_VF_STATS_TX_BYTES]));
676 print_num(fp, 8, rta_getattr_u64(vf[IFLA_VF_STATS_TX_PACKETS]));
677 if (vf[IFLA_VF_STATS_TX_DROPPED])
678 print_num(fp, 8, rta_getattr_u64(vf[IFLA_VF_STATS_TX_DROPPED]));
679 }
680}
681
682static void __print_link_stats(FILE *fp, struct rtattr *tb[])
683{
684 const struct rtattr *carrier_changes = tb[IFLA_CARRIER_CHANGES];
685 struct rtnl_link_stats64 _s, *s = &_s;
686 unsigned int cols[] = {
687 strlen("*X errors:"),
688 strlen("packets"),
689 strlen("errors"),
690 strlen("dropped"),
691 strlen("heartbt"),
692 strlen("overrun"),
693 strlen("compressed"),
694 };
695 int ret;
696
697 ret = get_rtnl_link_stats_rta(s, tb);
698 if (ret < 0)
699 return;
700
701 if (is_json_context()) {
702 open_json_object((ret == sizeof(*s)) ? "stats64" : "stats");
703
704
705 open_json_object("rx");
706 print_u64(PRINT_JSON, "bytes", NULL, s->rx_bytes);
707 print_u64(PRINT_JSON, "packets", NULL, s->rx_packets);
708 print_u64(PRINT_JSON, "errors", NULL, s->rx_errors);
709 print_u64(PRINT_JSON, "dropped", NULL, s->rx_dropped);
710 print_u64(PRINT_JSON, "over_errors", NULL, s->rx_over_errors);
711 print_u64(PRINT_JSON, "multicast", NULL, s->multicast);
712 if (s->rx_compressed)
713 print_u64(PRINT_JSON,
714 "compressed", NULL, s->rx_compressed);
715
716
717 if (show_stats > 1) {
718 print_u64(PRINT_JSON,
719 "length_errors",
720 NULL, s->rx_length_errors);
721 print_u64(PRINT_JSON,
722 "crc_errors",
723 NULL, s->rx_crc_errors);
724 print_u64(PRINT_JSON,
725 "frame_errors",
726 NULL, s->rx_frame_errors);
727 print_u64(PRINT_JSON,
728 "fifo_errors",
729 NULL, s->rx_fifo_errors);
730 print_u64(PRINT_JSON,
731 "missed_errors",
732 NULL, s->rx_missed_errors);
733 if (s->rx_nohandler)
734 print_u64(PRINT_JSON,
735 "nohandler", NULL, s->rx_nohandler);
736 }
737 close_json_object();
738
739
740 open_json_object("tx");
741 print_u64(PRINT_JSON, "bytes", NULL, s->tx_bytes);
742 print_u64(PRINT_JSON, "packets", NULL, s->tx_packets);
743 print_u64(PRINT_JSON, "errors", NULL, s->tx_errors);
744 print_u64(PRINT_JSON, "dropped", NULL, s->tx_dropped);
745 print_u64(PRINT_JSON,
746 "carrier_errors",
747 NULL, s->tx_carrier_errors);
748 print_u64(PRINT_JSON, "collisions", NULL, s->collisions);
749 if (s->tx_compressed)
750 print_u64(PRINT_JSON,
751 "compressed", NULL, s->tx_compressed);
752
753
754 if (show_stats > 1) {
755 print_u64(PRINT_JSON,
756 "aborted_errors",
757 NULL, s->tx_aborted_errors);
758 print_u64(PRINT_JSON,
759 "fifo_errors",
760 NULL, s->tx_fifo_errors);
761 print_u64(PRINT_JSON,
762 "window_errors",
763 NULL, s->tx_window_errors);
764 print_u64(PRINT_JSON,
765 "heartbeat_errors",
766 NULL, s->tx_heartbeat_errors);
767 if (carrier_changes)
768 print_u64(PRINT_JSON, "carrier_changes", NULL,
769 rta_getattr_u32(carrier_changes));
770 }
771
772 close_json_object();
773 close_json_object();
774 } else {
775 size_columns(cols, ARRAY_SIZE(cols),
776 s->rx_bytes, s->rx_packets, s->rx_errors,
777 s->rx_dropped, s->rx_missed_errors,
778 s->multicast, s->rx_compressed);
779 if (show_stats > 1)
780 size_columns(cols, ARRAY_SIZE(cols), 0,
781 s->rx_length_errors, s->rx_crc_errors,
782 s->rx_frame_errors, s->rx_fifo_errors,
783 s->rx_over_errors, s->rx_nohandler);
784 size_columns(cols, ARRAY_SIZE(cols),
785 s->tx_bytes, s->tx_packets, s->tx_errors,
786 s->tx_dropped, s->tx_carrier_errors,
787 s->collisions, s->tx_compressed);
788 if (show_stats > 1)
789 size_columns(cols, ARRAY_SIZE(cols), 0, 0,
790 s->tx_aborted_errors, s->tx_fifo_errors,
791 s->tx_window_errors,
792 s->tx_heartbeat_errors,
793 carrier_changes ?
794 rta_getattr_u32(carrier_changes) : 0);
795
796
797 fprintf(fp, " RX: %*s %*s %*s %*s %*s %*s %*s%s",
798 cols[0] - 4, "bytes", cols[1], "packets",
799 cols[2], "errors", cols[3], "dropped",
800 cols[4], "missed", cols[5], "mcast",
801 cols[6], s->rx_compressed ? "compressed" : "", _SL_);
802
803 fprintf(fp, " ");
804 print_num(fp, cols[0], s->rx_bytes);
805 print_num(fp, cols[1], s->rx_packets);
806 print_num(fp, cols[2], s->rx_errors);
807 print_num(fp, cols[3], s->rx_dropped);
808 print_num(fp, cols[4], s->rx_missed_errors);
809 print_num(fp, cols[5], s->multicast);
810 if (s->rx_compressed)
811 print_num(fp, cols[6], s->rx_compressed);
812
813
814 if (show_stats > 1) {
815 fprintf(fp, "%s", _SL_);
816 fprintf(fp, " RX errors:%*s %*s %*s %*s %*s %*s %*s%s",
817 cols[0] - 10, "", cols[1], "length",
818 cols[2], "crc", cols[3], "frame",
819 cols[4], "fifo", cols[5], "overrun",
820 cols[6], s->rx_nohandler ? "nohandler" : "",
821 _SL_);
822 fprintf(fp, "%*s", cols[0] + 5, "");
823 print_num(fp, cols[1], s->rx_length_errors);
824 print_num(fp, cols[2], s->rx_crc_errors);
825 print_num(fp, cols[3], s->rx_frame_errors);
826 print_num(fp, cols[4], s->rx_fifo_errors);
827 print_num(fp, cols[5], s->rx_over_errors);
828 if (s->rx_nohandler)
829 print_num(fp, cols[6], s->rx_nohandler);
830 }
831 fprintf(fp, "%s", _SL_);
832
833
834 fprintf(fp, " TX: %*s %*s %*s %*s %*s %*s %*s%s",
835 cols[0] - 4, "bytes", cols[1], "packets",
836 cols[2], "errors", cols[3], "dropped",
837 cols[4], "carrier", cols[5], "collsns",
838 cols[6], s->tx_compressed ? "compressed" : "", _SL_);
839
840 fprintf(fp, " ");
841 print_num(fp, cols[0], s->tx_bytes);
842 print_num(fp, cols[1], s->tx_packets);
843 print_num(fp, cols[2], s->tx_errors);
844 print_num(fp, cols[3], s->tx_dropped);
845 print_num(fp, cols[4], s->tx_carrier_errors);
846 print_num(fp, cols[5], s->collisions);
847 if (s->tx_compressed)
848 print_num(fp, cols[6], s->tx_compressed);
849
850
851 if (show_stats > 1) {
852 fprintf(fp, "%s", _SL_);
853 fprintf(fp, " TX errors:%*s %*s %*s %*s %*s %*s%s",
854 cols[0] - 10, "", cols[1], "aborted",
855 cols[2], "fifo", cols[3], "window",
856 cols[4], "heartbt",
857 cols[5], carrier_changes ? "transns" : "",
858 _SL_);
859
860 fprintf(fp, "%*s", cols[0] + 5, "");
861 print_num(fp, cols[1], s->tx_aborted_errors);
862 print_num(fp, cols[2], s->tx_fifo_errors);
863 print_num(fp, cols[3], s->tx_window_errors);
864 print_num(fp, cols[4], s->tx_heartbeat_errors);
865 if (carrier_changes)
866 print_num(fp, cols[5],
867 rta_getattr_u32(carrier_changes));
868 }
869 }
870}
871
872static void print_link_stats(FILE *fp, struct nlmsghdr *n)
873{
874 struct ifinfomsg *ifi = NLMSG_DATA(n);
875 struct rtattr *tb[IFLA_MAX+1];
876
877 parse_rtattr(tb, IFLA_MAX, IFLA_RTA(ifi),
878 n->nlmsg_len - NLMSG_LENGTH(sizeof(*ifi)));
879 __print_link_stats(fp, tb);
880 print_nl();
881}
882
883static int print_linkinfo_brief(FILE *fp, const char *name,
884 const struct ifinfomsg *ifi,
885 struct rtattr *tb[])
886{
887 unsigned int m_flag = 0;
888
889 m_flag = print_name_and_link("%-16s ", name, tb);
890
891 if (tb[IFLA_OPERSTATE])
892 print_operstate(fp, rta_getattr_u8(tb[IFLA_OPERSTATE]));
893
894 if (filter.family == AF_PACKET) {
895 SPRINT_BUF(b1);
896
897 if (tb[IFLA_ADDRESS]) {
898 print_color_string(PRINT_ANY, COLOR_MAC,
899 "address", "%s ",
900 ll_addr_n2a(
901 RTA_DATA(tb[IFLA_ADDRESS]),
902 RTA_PAYLOAD(tb[IFLA_ADDRESS]),
903 ifi->ifi_type,
904 b1, sizeof(b1)));
905 }
906 }
907
908 if (filter.family == AF_PACKET) {
909 print_link_flags(fp, ifi->ifi_flags, m_flag);
910 print_string(PRINT_FP, NULL, "%s", "\n");
911 }
912
913 fflush(fp);
914 return 0;
915}
916
917static const char *link_events[] = {
918 [IFLA_EVENT_NONE] = "NONE",
919 [IFLA_EVENT_REBOOT] = "REBOOT",
920 [IFLA_EVENT_FEATURES] = "FEATURE CHANGE",
921 [IFLA_EVENT_BONDING_FAILOVER] = "BONDING FAILOVER",
922 [IFLA_EVENT_NOTIFY_PEERS] = "NOTIFY PEERS",
923 [IFLA_EVENT_IGMP_RESEND] = "RESEND IGMP",
924 [IFLA_EVENT_BONDING_OPTIONS] = "BONDING OPTION"
925};
926
927static void print_link_event(FILE *f, __u32 event)
928{
929 if (event >= ARRAY_SIZE(link_events))
930 print_int(PRINT_ANY, "event", "event %d ", event);
931 else {
932 if (event)
933 print_string(PRINT_ANY,
934 "event", "event %s ",
935 link_events[event]);
936 }
937}
938
939static void print_proto_down(FILE *f, struct rtattr *tb[])
940{
941 struct rtattr *preason[IFLA_PROTO_DOWN_REASON_MAX+1];
942
943 if (tb[IFLA_PROTO_DOWN]) {
944 if (rta_getattr_u8(tb[IFLA_PROTO_DOWN]))
945 print_bool(PRINT_ANY,
946 "proto_down", " protodown on ", true);
947 }
948
949 if (tb[IFLA_PROTO_DOWN_REASON]) {
950 char buf[255];
951 __u32 reason;
952 int i, start = 1;
953
954 parse_rtattr_nested(preason, IFLA_PROTO_DOWN_REASON_MAX,
955 tb[IFLA_PROTO_DOWN_REASON]);
956 if (!tb[IFLA_PROTO_DOWN_REASON_VALUE])
957 return;
958
959 reason = rta_getattr_u8(preason[IFLA_PROTO_DOWN_REASON_VALUE]);
960 if (!reason)
961 return;
962
963 open_json_array(PRINT_ANY,
964 is_json_context() ? "proto_down_reason" : "protodown_reason <");
965 for (i = 0; reason; i++, reason >>= 1) {
966 if (reason & 0x1) {
967 if (protodown_reason_n2a(i, buf, sizeof(buf)))
968 break;
969 print_string(PRINT_ANY, NULL,
970 start ? "%s" : ",%s", buf);
971 start = 0;
972 }
973 }
974 close_json_array(PRINT_ANY, ">");
975 }
976}
977
978int print_linkinfo(struct nlmsghdr *n, void *arg)
979{
980 FILE *fp = (FILE *)arg;
981 struct ifinfomsg *ifi = NLMSG_DATA(n);
982 struct rtattr *tb[IFLA_MAX+1];
983 int len = n->nlmsg_len;
984 const char *name;
985 unsigned int m_flag = 0;
986 SPRINT_BUF(b1);
987 bool truncated_vfs = false;
988
989 if (n->nlmsg_type != RTM_NEWLINK && n->nlmsg_type != RTM_DELLINK)
990 return 0;
991
992 len -= NLMSG_LENGTH(sizeof(*ifi));
993 if (len < 0)
994 return -1;
995
996 if (filter.ifindex && ifi->ifi_index != filter.ifindex)
997 return -1;
998 if (filter.up && !(ifi->ifi_flags&IFF_UP))
999 return -1;
1000
1001 parse_rtattr_flags(tb, IFLA_MAX, IFLA_RTA(ifi), len, NLA_F_NESTED);
1002
1003 name = get_ifname_rta(ifi->ifi_index, tb[IFLA_IFNAME]);
1004 if (!name)
1005 return -1;
1006
1007 if (filter.label)
1008 return 0;
1009
1010 if (tb[IFLA_GROUP]) {
1011 int group = rta_getattr_u32(tb[IFLA_GROUP]);
1012
1013 if (filter.group != -1 && group != filter.group)
1014 return -1;
1015 }
1016
1017 if (tb[IFLA_MASTER]) {
1018 int master = rta_getattr_u32(tb[IFLA_MASTER]);
1019
1020 if (filter.master > 0 && master != filter.master)
1021 return -1;
1022 } else if (filter.master > 0)
1023 return -1;
1024
1025 if (filter.kind && match_link_kind(tb, filter.kind, 0))
1026 return -1;
1027
1028 if (filter.slave_kind && match_link_kind(tb, filter.slave_kind, 1))
1029 return -1;
1030
1031 if (n->nlmsg_type == RTM_DELLINK)
1032 print_bool(PRINT_ANY, "deleted", "Deleted ", true);
1033
1034 if (brief)
1035 return print_linkinfo_brief(fp, name, ifi, tb);
1036
1037 print_int(PRINT_ANY, "ifindex", "%d: ", ifi->ifi_index);
1038
1039 m_flag = print_name_and_link("%s: ", name, tb);
1040 print_link_flags(fp, ifi->ifi_flags, m_flag);
1041
1042 if (tb[IFLA_MTU])
1043 print_int(PRINT_ANY,
1044 "mtu", "mtu %u ",
1045 rta_getattr_u32(tb[IFLA_MTU]));
1046 if (tb[IFLA_XDP])
1047 xdp_dump(fp, tb[IFLA_XDP], do_link, false);
1048 if (tb[IFLA_QDISC])
1049 print_string(PRINT_ANY,
1050 "qdisc",
1051 "qdisc %s ",
1052 rta_getattr_str(tb[IFLA_QDISC]));
1053 if (tb[IFLA_MASTER]) {
1054 int master = rta_getattr_u32(tb[IFLA_MASTER]);
1055
1056 print_string(PRINT_ANY,
1057 "master", "master %s ",
1058 ll_index_to_name(master));
1059 }
1060
1061 if (tb[IFLA_OPERSTATE])
1062 print_operstate(fp, rta_getattr_u8(tb[IFLA_OPERSTATE]));
1063
1064 if (do_link && tb[IFLA_LINKMODE])
1065 print_linkmode(fp, tb[IFLA_LINKMODE]);
1066
1067 if (tb[IFLA_GROUP]) {
1068 int group = rta_getattr_u32(tb[IFLA_GROUP]);
1069
1070 print_string(PRINT_ANY,
1071 "group",
1072 "group %s ",
1073 rtnl_group_n2a(group, b1, sizeof(b1)));
1074 }
1075
1076 if (filter.showqueue)
1077 print_queuelen(fp, tb);
1078
1079 if (tb[IFLA_EVENT])
1080 print_link_event(fp, rta_getattr_u32(tb[IFLA_EVENT]));
1081
1082 if (!filter.family || filter.family == AF_PACKET || show_details) {
1083 print_nl();
1084 print_string(PRINT_ANY,
1085 "link_type",
1086 " link/%s ",
1087 ll_type_n2a(ifi->ifi_type, b1, sizeof(b1)));
1088 if (tb[IFLA_ADDRESS]) {
1089 print_color_string(PRINT_ANY,
1090 COLOR_MAC,
1091 "address",
1092 "%s",
1093 ll_addr_n2a(RTA_DATA(tb[IFLA_ADDRESS]),
1094 RTA_PAYLOAD(tb[IFLA_ADDRESS]),
1095 ifi->ifi_type,
1096 b1, sizeof(b1)));
1097 }
1098 if (tb[IFLA_BROADCAST]) {
1099 if (ifi->ifi_flags&IFF_POINTOPOINT) {
1100 print_string(PRINT_FP, NULL, " peer ", NULL);
1101 print_bool(PRINT_JSON,
1102 "link_pointtopoint", NULL, true);
1103 } else {
1104 print_string(PRINT_FP, NULL, " brd ", NULL);
1105 }
1106 print_color_string(PRINT_ANY,
1107 COLOR_MAC,
1108 "broadcast",
1109 "%s",
1110 ll_addr_n2a(RTA_DATA(tb[IFLA_BROADCAST]),
1111 RTA_PAYLOAD(tb[IFLA_BROADCAST]),
1112 ifi->ifi_type,
1113 b1, sizeof(b1)));
1114 }
1115 if (tb[IFLA_PERM_ADDRESS]) {
1116 unsigned int len = RTA_PAYLOAD(tb[IFLA_PERM_ADDRESS]);
1117
1118 if (!tb[IFLA_ADDRESS] ||
1119 RTA_PAYLOAD(tb[IFLA_ADDRESS]) != len ||
1120 memcmp(RTA_DATA(tb[IFLA_PERM_ADDRESS]),
1121 RTA_DATA(tb[IFLA_ADDRESS]), len)) {
1122 print_string(PRINT_FP, NULL, " permaddr ", NULL);
1123 print_color_string(PRINT_ANY,
1124 COLOR_MAC,
1125 "permaddr",
1126 "%s",
1127 ll_addr_n2a(RTA_DATA(tb[IFLA_PERM_ADDRESS]),
1128 RTA_PAYLOAD(tb[IFLA_PERM_ADDRESS]),
1129 ifi->ifi_type,
1130 b1, sizeof(b1)));
1131 }
1132 }
1133 }
1134
1135 if (tb[IFLA_LINK_NETNSID]) {
1136 int id = rta_getattr_u32(tb[IFLA_LINK_NETNSID]);
1137
1138 if (is_json_context()) {
1139 print_int(PRINT_JSON, "link_netnsid", NULL, id);
1140 } else {
1141 if (id >= 0) {
1142 char *name = get_name_from_nsid(id);
1143
1144 if (name)
1145 print_string(PRINT_FP, NULL,
1146 " link-netns %s", name);
1147 else
1148 print_int(PRINT_FP, NULL,
1149 " link-netnsid %d", id);
1150 } else
1151 print_string(PRINT_FP, NULL,
1152 " link-netnsid %s", "unknown");
1153 }
1154 }
1155
1156 if (tb[IFLA_NEW_NETNSID]) {
1157 int id = rta_getattr_u32(tb[IFLA_NEW_NETNSID]);
1158 char *name = get_name_from_nsid(id);
1159
1160 if (name)
1161 print_string(PRINT_FP, NULL, " new-netns %s", name);
1162 else
1163 print_int(PRINT_FP, NULL, " new-netnsid %d", id);
1164 }
1165 if (tb[IFLA_NEW_IFINDEX]) {
1166 int id = rta_getattr_u32(tb[IFLA_NEW_IFINDEX]);
1167
1168 print_int(PRINT_FP, NULL, " new-ifindex %d", id);
1169 }
1170
1171 if (tb[IFLA_PROTO_DOWN])
1172 print_proto_down(fp, tb);
1173
1174 if (show_details) {
1175 if (tb[IFLA_PROMISCUITY])
1176 print_uint(PRINT_ANY,
1177 "promiscuity",
1178 " promiscuity %u ",
1179 rta_getattr_u32(tb[IFLA_PROMISCUITY]));
1180
1181 if (tb[IFLA_MIN_MTU])
1182 print_uint(PRINT_ANY,
1183 "min_mtu", "minmtu %u ",
1184 rta_getattr_u32(tb[IFLA_MIN_MTU]));
1185
1186 if (tb[IFLA_MAX_MTU])
1187 print_uint(PRINT_ANY,
1188 "max_mtu", "maxmtu %u ",
1189 rta_getattr_u32(tb[IFLA_MAX_MTU]));
1190
1191 if (tb[IFLA_LINKINFO])
1192 print_linktype(fp, tb[IFLA_LINKINFO]);
1193
1194 if (do_link && tb[IFLA_AF_SPEC])
1195 print_af_spec(fp, tb[IFLA_AF_SPEC]);
1196
1197 if (tb[IFLA_NUM_TX_QUEUES])
1198 print_uint(PRINT_ANY,
1199 "num_tx_queues",
1200 "numtxqueues %u ",
1201 rta_getattr_u32(tb[IFLA_NUM_TX_QUEUES]));
1202
1203 if (tb[IFLA_NUM_RX_QUEUES])
1204 print_uint(PRINT_ANY,
1205 "num_rx_queues",
1206 "numrxqueues %u ",
1207 rta_getattr_u32(tb[IFLA_NUM_RX_QUEUES]));
1208
1209 if (tb[IFLA_GSO_MAX_SIZE])
1210 print_uint(PRINT_ANY,
1211 "gso_max_size",
1212 "gso_max_size %u ",
1213 rta_getattr_u32(tb[IFLA_GSO_MAX_SIZE]));
1214
1215 if (tb[IFLA_GSO_MAX_SEGS])
1216 print_uint(PRINT_ANY,
1217 "gso_max_segs",
1218 "gso_max_segs %u ",
1219 rta_getattr_u32(tb[IFLA_GSO_MAX_SEGS]));
1220
1221 if (tb[IFLA_PHYS_PORT_NAME])
1222 print_string(PRINT_ANY,
1223 "phys_port_name",
1224 "portname %s ",
1225 rta_getattr_str(tb[IFLA_PHYS_PORT_NAME]));
1226
1227 if (tb[IFLA_PHYS_PORT_ID]) {
1228 print_string(PRINT_ANY,
1229 "phys_port_id",
1230 "portid %s ",
1231 hexstring_n2a(
1232 RTA_DATA(tb[IFLA_PHYS_PORT_ID]),
1233 RTA_PAYLOAD(tb[IFLA_PHYS_PORT_ID]),
1234 b1, sizeof(b1)));
1235 }
1236
1237 if (tb[IFLA_PHYS_SWITCH_ID]) {
1238 print_string(PRINT_ANY,
1239 "phys_switch_id",
1240 "switchid %s ",
1241 hexstring_n2a(RTA_DATA(tb[IFLA_PHYS_SWITCH_ID]),
1242 RTA_PAYLOAD(tb[IFLA_PHYS_SWITCH_ID]),
1243 b1, sizeof(b1)));
1244 }
1245
1246 if (tb[IFLA_PARENT_DEV_BUS_NAME]) {
1247 print_string(PRINT_ANY,
1248 "parentbus",
1249 "parentbus %s ",
1250 rta_getattr_str(tb[IFLA_PARENT_DEV_BUS_NAME]));
1251 }
1252
1253 if (tb[IFLA_PARENT_DEV_NAME]) {
1254 print_string(PRINT_ANY,
1255 "parentdev",
1256 "parentdev %s ",
1257 rta_getattr_str(tb[IFLA_PARENT_DEV_NAME]));
1258 }
1259 }
1260
1261 if ((do_link || show_details) && tb[IFLA_IFALIAS]) {
1262 print_string(PRINT_FP, NULL, "%s ", _SL_);
1263 print_string(PRINT_ANY,
1264 "ifalias",
1265 "alias %s",
1266 rta_getattr_str(tb[IFLA_IFALIAS]));
1267 }
1268
1269 if ((do_link || show_details) && tb[IFLA_XDP])
1270 xdp_dump(fp, tb[IFLA_XDP], true, true);
1271
1272 if (do_link && show_stats) {
1273 print_nl();
1274 __print_link_stats(fp, tb);
1275 }
1276
1277 if ((do_link || show_details) && tb[IFLA_VFINFO_LIST] && tb[IFLA_NUM_VF]) {
1278 struct rtattr *i, *vflist = tb[IFLA_VFINFO_LIST];
1279 int rem = RTA_PAYLOAD(vflist), count = 0;
1280
1281 open_json_array(PRINT_JSON, "vfinfo_list");
1282 for (i = RTA_DATA(vflist); RTA_OK(i, rem); i = RTA_NEXT(i, rem)) {
1283 open_json_object(NULL);
1284 print_vfinfo(fp, ifi, i);
1285 close_json_object();
1286 count++;
1287 }
1288 close_json_array(PRINT_JSON, NULL);
1289 if (count != rta_getattr_u32(tb[IFLA_NUM_VF]))
1290 truncated_vfs = true;
1291 }
1292
1293 if (tb[IFLA_PROP_LIST]) {
1294 struct rtattr *i, *proplist = tb[IFLA_PROP_LIST];
1295 int rem = RTA_PAYLOAD(proplist);
1296
1297 open_json_array(PRINT_JSON, "altnames");
1298 for (i = RTA_DATA(proplist); RTA_OK(i, rem);
1299 i = RTA_NEXT(i, rem)) {
1300 if (i->rta_type != IFLA_ALT_IFNAME)
1301 continue;
1302 print_string(PRINT_FP, NULL, "%s altname ", _SL_);
1303 print_string(PRINT_ANY, NULL,
1304 "%s", rta_getattr_str(i));
1305 }
1306 close_json_array(PRINT_JSON, NULL);
1307 }
1308
1309 print_string(PRINT_FP, NULL, "%s", "\n");
1310 fflush(fp);
1311
1312 if (truncated_vfs)
1313 fprintf(stderr, "Truncated VF list: %s\n", name);
1314 return 1;
1315}
1316
1317static int flush_update(void)
1318{
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328 if ((rtnl_send_check(&rth, filter.flushb, filter.flushp) < 0) &&
1329 (errno != EADDRNOTAVAIL)) {
1330 perror("Failed to send flush request");
1331 return -1;
1332 }
1333 filter.flushp = 0;
1334 return 0;
1335}
1336
1337static int set_lifetime(unsigned int *lifetime, char *argv)
1338{
1339 if (strcmp(argv, "forever") == 0)
1340 *lifetime = INFINITY_LIFE_TIME;
1341 else if (get_u32(lifetime, argv, 0))
1342 return -1;
1343
1344 return 0;
1345}
1346
1347static unsigned int get_ifa_flags(struct ifaddrmsg *ifa,
1348 struct rtattr *ifa_flags_attr)
1349{
1350 return ifa_flags_attr ? rta_getattr_u32(ifa_flags_attr) :
1351 ifa->ifa_flags;
1352}
1353
1354
1355static const struct ifa_flag_data_t {
1356 const char *name;
1357 unsigned long mask;
1358 bool readonly;
1359 bool v6only;
1360} ifa_flag_data[] = {
1361 { .name = "secondary", .mask = IFA_F_SECONDARY, .readonly = true, .v6only = false},
1362 { .name = "temporary", .mask = IFA_F_SECONDARY, .readonly = true, .v6only = false},
1363 { .name = "nodad", .mask = IFA_F_NODAD, .readonly = false, .v6only = true},
1364 { .name = "optimistic", .mask = IFA_F_OPTIMISTIC, .readonly = false, .v6only = true},
1365 { .name = "dadfailed", .mask = IFA_F_DADFAILED, .readonly = true, .v6only = true},
1366 { .name = "home", .mask = IFA_F_HOMEADDRESS, .readonly = false, .v6only = true},
1367 { .name = "deprecated", .mask = IFA_F_DEPRECATED, .readonly = true, .v6only = true},
1368 { .name = "tentative", .mask = IFA_F_TENTATIVE, .readonly = true, .v6only = true},
1369 { .name = "permanent", .mask = IFA_F_PERMANENT, .readonly = true, .v6only = true},
1370 { .name = "mngtmpaddr", .mask = IFA_F_MANAGETEMPADDR, .readonly = false, .v6only = true},
1371 { .name = "noprefixroute", .mask = IFA_F_NOPREFIXROUTE, .readonly = false, .v6only = false},
1372 { .name = "autojoin", .mask = IFA_F_MCAUTOJOIN, .readonly = false, .v6only = false},
1373 { .name = "stable-privacy", .mask = IFA_F_STABLE_PRIVACY, .readonly = true, .v6only = true},
1374};
1375
1376
1377static const struct ifa_flag_data_t* lookup_flag_data_by_name(const char* flag_name) {
1378 unsigned int i;
1379
1380 for (i = 0; i < ARRAY_SIZE(ifa_flag_data); ++i) {
1381 if (strcmp(flag_name, ifa_flag_data[i].name) == 0)
1382 return &ifa_flag_data[i];
1383 }
1384 return NULL;
1385}
1386
1387static void print_ifa_flags(FILE *fp, const struct ifaddrmsg *ifa,
1388 unsigned int flags)
1389{
1390 unsigned int i;
1391
1392 for (i = 0; i < ARRAY_SIZE(ifa_flag_data); i++) {
1393 const struct ifa_flag_data_t* flag_data = &ifa_flag_data[i];
1394
1395 if (flag_data->mask == IFA_F_PERMANENT) {
1396 if (!(flags & flag_data->mask))
1397 print_bool(PRINT_ANY,
1398 "dynamic", "dynamic ", true);
1399 } else if (flags & flag_data->mask) {
1400 if (flag_data->mask == IFA_F_SECONDARY &&
1401 ifa->ifa_family == AF_INET6) {
1402 print_bool(PRINT_ANY,
1403 "temporary", "temporary ", true);
1404 } else {
1405 print_string(PRINT_FP, NULL,
1406 "%s ", flag_data->name);
1407 print_bool(PRINT_JSON,
1408 flag_data->name, NULL, true);
1409 }
1410 }
1411
1412 flags &= ~flag_data->mask;
1413 }
1414
1415 if (flags) {
1416 if (is_json_context()) {
1417 SPRINT_BUF(b1);
1418
1419 snprintf(b1, sizeof(b1), "%02x", flags);
1420 print_string(PRINT_JSON, "ifa_flags", NULL, b1);
1421 } else {
1422 fprintf(fp, "flags %02x ", flags);
1423 }
1424 }
1425
1426}
1427
1428static int get_filter(const char *arg)
1429{
1430 bool inv = false;
1431
1432 if (arg[0] == '-') {
1433 inv = true;
1434 arg++;
1435 }
1436
1437
1438 if (strcmp(arg, "dynamic") == 0) {
1439 inv = !inv;
1440 arg = "permanent";
1441 } else if (strcmp(arg, "primary") == 0) {
1442 inv = !inv;
1443 arg = "secondary";
1444 }
1445
1446 const struct ifa_flag_data_t* flag_data = lookup_flag_data_by_name(arg);
1447 if (flag_data == NULL)
1448 return -1;
1449
1450 if (inv)
1451 filter.flags &= ~flag_data->mask;
1452 else
1453 filter.flags |= flag_data->mask;
1454 filter.flagmask |= flag_data->mask;
1455 return 0;
1456}
1457
1458static int ifa_label_match_rta(int ifindex, const struct rtattr *rta)
1459{
1460 const char *label;
1461
1462 if (!filter.label)
1463 return 0;
1464
1465 if (rta)
1466 label = RTA_DATA(rta);
1467 else
1468 label = ll_index_to_name(ifindex);
1469
1470 return fnmatch(filter.label, label, 0);
1471}
1472
1473int print_addrinfo(struct nlmsghdr *n, void *arg)
1474{
1475 FILE *fp = arg;
1476 struct ifaddrmsg *ifa = NLMSG_DATA(n);
1477 int len = n->nlmsg_len;
1478 unsigned int ifa_flags;
1479 struct rtattr *rta_tb[IFA_MAX+1];
1480
1481 SPRINT_BUF(b1);
1482
1483 if (n->nlmsg_type != RTM_NEWADDR && n->nlmsg_type != RTM_DELADDR)
1484 return 0;
1485 len -= NLMSG_LENGTH(sizeof(*ifa));
1486 if (len < 0) {
1487 fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
1488 return -1;
1489 }
1490
1491 if (filter.flushb && n->nlmsg_type != RTM_NEWADDR)
1492 return 0;
1493
1494 parse_rtattr(rta_tb, IFA_MAX, IFA_RTA(ifa),
1495 n->nlmsg_len - NLMSG_LENGTH(sizeof(*ifa)));
1496
1497 ifa_flags = get_ifa_flags(ifa, rta_tb[IFA_FLAGS]);
1498
1499 if (!rta_tb[IFA_LOCAL])
1500 rta_tb[IFA_LOCAL] = rta_tb[IFA_ADDRESS];
1501 if (!rta_tb[IFA_ADDRESS])
1502 rta_tb[IFA_ADDRESS] = rta_tb[IFA_LOCAL];
1503
1504 if (filter.ifindex && filter.ifindex != ifa->ifa_index)
1505 return 0;
1506 if ((filter.scope^ifa->ifa_scope)&filter.scopemask)
1507 return 0;
1508 if ((filter.flags ^ ifa_flags) & filter.flagmask)
1509 return 0;
1510
1511 if (filter.family && filter.family != ifa->ifa_family)
1512 return 0;
1513
1514 if (ifa_label_match_rta(ifa->ifa_index, rta_tb[IFA_LABEL]))
1515 return 0;
1516
1517 if (inet_addr_match_rta(&filter.pfx, rta_tb[IFA_LOCAL]))
1518 return 0;
1519
1520 if (filter.flushb) {
1521 struct nlmsghdr *fn;
1522
1523 if (NLMSG_ALIGN(filter.flushp) + n->nlmsg_len > filter.flushe) {
1524 if (flush_update())
1525 return -1;
1526 }
1527 fn = (struct nlmsghdr *)(filter.flushb + NLMSG_ALIGN(filter.flushp));
1528 memcpy(fn, n, n->nlmsg_len);
1529 fn->nlmsg_type = RTM_DELADDR;
1530 fn->nlmsg_flags = NLM_F_REQUEST;
1531 fn->nlmsg_seq = ++rth.seq;
1532 filter.flushp = (((char *)fn) + n->nlmsg_len) - filter.flushb;
1533 filter.flushed++;
1534 if (show_stats < 2)
1535 return 0;
1536 }
1537
1538 if (n->nlmsg_type == RTM_DELADDR)
1539 print_bool(PRINT_ANY, "deleted", "Deleted ", true);
1540
1541 if (!brief) {
1542 const char *name;
1543
1544 if (filter.oneline || filter.flushb) {
1545 const char *dev = ll_index_to_name(ifa->ifa_index);
1546
1547 if (is_json_context()) {
1548 print_int(PRINT_JSON,
1549 "index", NULL, ifa->ifa_index);
1550 print_string(PRINT_JSON, "dev", NULL, dev);
1551 } else {
1552 fprintf(fp, "%u: %s", ifa->ifa_index, dev);
1553 }
1554 }
1555
1556 name = family_name(ifa->ifa_family);
1557 if (*name != '?') {
1558 print_string(PRINT_ANY, "family", " %s ", name);
1559 } else {
1560 print_int(PRINT_ANY, "family_index", " family %d ",
1561 ifa->ifa_family);
1562 }
1563 }
1564
1565 if (rta_tb[IFA_LOCAL]) {
1566 print_color_string(PRINT_ANY,
1567 ifa_family_color(ifa->ifa_family),
1568 "local", "%s",
1569 format_host_rta(ifa->ifa_family,
1570 rta_tb[IFA_LOCAL]));
1571 if (rta_tb[IFA_ADDRESS] &&
1572 memcmp(RTA_DATA(rta_tb[IFA_ADDRESS]),
1573 RTA_DATA(rta_tb[IFA_LOCAL]),
1574 ifa->ifa_family == AF_INET ? 4 : 16)) {
1575 print_string(PRINT_FP, NULL, " %s ", "peer");
1576 print_color_string(PRINT_ANY,
1577 ifa_family_color(ifa->ifa_family),
1578 "address",
1579 "%s",
1580 format_host_rta(ifa->ifa_family,
1581 rta_tb[IFA_ADDRESS]));
1582 }
1583 print_int(PRINT_ANY, "prefixlen", "/%d ", ifa->ifa_prefixlen);
1584
1585 if (rta_tb[IFA_RT_PRIORITY])
1586 print_uint(PRINT_ANY, "metric", "metric %u ",
1587 rta_getattr_u32(rta_tb[IFA_RT_PRIORITY]));
1588 }
1589
1590 if (brief)
1591 goto brief_exit;
1592
1593 if (rta_tb[IFA_BROADCAST]) {
1594 print_string(PRINT_FP, NULL, "%s ", "brd");
1595 print_color_string(PRINT_ANY,
1596 ifa_family_color(ifa->ifa_family),
1597 "broadcast",
1598 "%s ",
1599 format_host_rta(ifa->ifa_family,
1600 rta_tb[IFA_BROADCAST]));
1601 }
1602
1603 if (rta_tb[IFA_ANYCAST]) {
1604 print_string(PRINT_FP, NULL, "%s ", "any");
1605 print_color_string(PRINT_ANY,
1606 ifa_family_color(ifa->ifa_family),
1607 "anycast",
1608 "%s ",
1609 format_host_rta(ifa->ifa_family,
1610 rta_tb[IFA_ANYCAST]));
1611 }
1612
1613 print_string(PRINT_ANY,
1614 "scope",
1615 "scope %s ",
1616 rtnl_rtscope_n2a(ifa->ifa_scope, b1, sizeof(b1)));
1617
1618 print_ifa_flags(fp, ifa, ifa_flags);
1619
1620 if (rta_tb[IFA_LABEL])
1621 print_string(PRINT_ANY,
1622 "label",
1623 "%s",
1624 rta_getattr_str(rta_tb[IFA_LABEL]));
1625
1626 if (rta_tb[IFA_CACHEINFO]) {
1627 struct ifa_cacheinfo *ci = RTA_DATA(rta_tb[IFA_CACHEINFO]);
1628
1629 print_nl();
1630 print_string(PRINT_FP, NULL, " valid_lft ", NULL);
1631
1632 if (ci->ifa_valid == INFINITY_LIFE_TIME) {
1633 print_uint(PRINT_JSON,
1634 "valid_life_time",
1635 NULL, INFINITY_LIFE_TIME);
1636 print_string(PRINT_FP, NULL, "%s", "forever");
1637 } else {
1638 print_uint(PRINT_ANY,
1639 "valid_life_time", "%usec", ci->ifa_valid);
1640 }
1641
1642 print_string(PRINT_FP, NULL, " preferred_lft ", NULL);
1643 if (ci->ifa_prefered == INFINITY_LIFE_TIME) {
1644 print_uint(PRINT_JSON,
1645 "preferred_life_time",
1646 NULL, INFINITY_LIFE_TIME);
1647 print_string(PRINT_FP, NULL, "%s", "forever");
1648 } else {
1649 if (ifa_flags & IFA_F_DEPRECATED)
1650 print_int(PRINT_ANY,
1651 "preferred_life_time",
1652 "%dsec",
1653 ci->ifa_prefered);
1654 else
1655 print_uint(PRINT_ANY,
1656 "preferred_life_time",
1657 "%usec",
1658 ci->ifa_prefered);
1659 }
1660 }
1661 print_string(PRINT_FP, NULL, "%s", "\n");
1662brief_exit:
1663 fflush(fp);
1664 return 0;
1665}
1666
1667static int print_selected_addrinfo(struct ifinfomsg *ifi,
1668 struct nlmsg_list *ainfo, FILE *fp)
1669{
1670 open_json_array(PRINT_JSON, "addr_info");
1671 for ( ; ainfo ; ainfo = ainfo->next) {
1672 struct nlmsghdr *n = &ainfo->h;
1673 struct ifaddrmsg *ifa = NLMSG_DATA(n);
1674
1675 if (n->nlmsg_type != RTM_NEWADDR)
1676 continue;
1677
1678 if (n->nlmsg_len < NLMSG_LENGTH(sizeof(*ifa)))
1679 return -1;
1680
1681 if (ifa->ifa_index != ifi->ifi_index ||
1682 (filter.family && filter.family != ifa->ifa_family))
1683 continue;
1684
1685 if (filter.up && !(ifi->ifi_flags&IFF_UP))
1686 continue;
1687
1688 open_json_object(NULL);
1689 print_addrinfo(n, fp);
1690 close_json_object();
1691 }
1692 close_json_array(PRINT_JSON, NULL);
1693
1694 if (brief) {
1695 print_string(PRINT_FP, NULL, "%s", "\n");
1696 fflush(fp);
1697 }
1698 return 0;
1699}
1700
1701
1702static int store_nlmsg(struct nlmsghdr *n, void *arg)
1703{
1704 struct nlmsg_chain *lchain = (struct nlmsg_chain *)arg;
1705 struct nlmsg_list *h;
1706
1707 h = malloc(n->nlmsg_len+sizeof(void *));
1708 if (h == NULL)
1709 return -1;
1710
1711 memcpy(&h->h, n, n->nlmsg_len);
1712 h->next = NULL;
1713
1714 if (lchain->tail)
1715 lchain->tail->next = h;
1716 else
1717 lchain->head = h;
1718 lchain->tail = h;
1719
1720 ll_remember_index(n, NULL);
1721 return 0;
1722}
1723
1724static __u32 ipadd_dump_magic = 0x47361222;
1725
1726static int ipadd_save_prep(void)
1727{
1728 int ret;
1729
1730 if (isatty(STDOUT_FILENO)) {
1731 fprintf(stderr, "Not sending a binary stream to stdout\n");
1732 return -1;
1733 }
1734
1735 ret = write(STDOUT_FILENO, &ipadd_dump_magic, sizeof(ipadd_dump_magic));
1736 if (ret != sizeof(ipadd_dump_magic)) {
1737 fprintf(stderr, "Can't write magic to dump file\n");
1738 return -1;
1739 }
1740
1741 return 0;
1742}
1743
1744static int ipadd_dump_check_magic(void)
1745{
1746 int ret;
1747 __u32 magic = 0;
1748
1749 if (isatty(STDIN_FILENO)) {
1750 fprintf(stderr, "Can't restore address dump from a terminal\n");
1751 return -1;
1752 }
1753
1754 ret = fread(&magic, sizeof(magic), 1, stdin);
1755 if (magic != ipadd_dump_magic) {
1756 fprintf(stderr, "Magic mismatch (%d elems, %x magic)\n", ret, magic);
1757 return -1;
1758 }
1759
1760 return 0;
1761}
1762
1763static int save_nlmsg(struct nlmsghdr *n, void *arg)
1764{
1765 int ret;
1766
1767 ret = write(STDOUT_FILENO, n, n->nlmsg_len);
1768 if ((ret > 0) && (ret != n->nlmsg_len)) {
1769 fprintf(stderr, "Short write while saving nlmsg\n");
1770 ret = -EIO;
1771 }
1772
1773 return ret == n->nlmsg_len ? 0 : ret;
1774}
1775
1776static int show_handler(struct rtnl_ctrl_data *ctrl,
1777 struct nlmsghdr *n, void *arg)
1778{
1779 struct ifaddrmsg *ifa = NLMSG_DATA(n);
1780
1781 open_json_object(NULL);
1782 print_int(PRINT_ANY, "index", "if%d:", ifa->ifa_index);
1783 print_nl();
1784 print_addrinfo(n, stdout);
1785 close_json_object();
1786 return 0;
1787}
1788
1789static int ipaddr_showdump(void)
1790{
1791 int err;
1792
1793 if (ipadd_dump_check_magic())
1794 exit(-1);
1795
1796 new_json_obj(json);
1797 open_json_object(NULL);
1798 open_json_array(PRINT_JSON, "addr_info");
1799
1800 err = rtnl_from_file(stdin, &show_handler, NULL);
1801
1802 close_json_array(PRINT_JSON, NULL);
1803 close_json_object();
1804 delete_json_obj();
1805
1806 exit(err);
1807}
1808
1809static int restore_handler(struct rtnl_ctrl_data *ctrl,
1810 struct nlmsghdr *n, void *arg)
1811{
1812 int ret;
1813
1814 n->nlmsg_flags |= NLM_F_REQUEST | NLM_F_CREATE | NLM_F_ACK;
1815
1816 ll_init_map(&rth);
1817
1818 ret = rtnl_talk(&rth, n, NULL);
1819 if ((ret < 0) && (errno == EEXIST))
1820 ret = 0;
1821
1822 return ret;
1823}
1824
1825static int ipaddr_restore(void)
1826{
1827 if (ipadd_dump_check_magic())
1828 exit(-1);
1829
1830 exit(rtnl_from_file(stdin, &restore_handler, NULL));
1831}
1832
1833void free_nlmsg_chain(struct nlmsg_chain *info)
1834{
1835 struct nlmsg_list *l, *n;
1836
1837 for (l = info->head; l; l = n) {
1838 n = l->next;
1839 free(l);
1840 }
1841}
1842
1843static void ipaddr_filter(struct nlmsg_chain *linfo, struct nlmsg_chain *ainfo)
1844{
1845 struct nlmsg_list *l, **lp;
1846
1847 lp = &linfo->head;
1848 while ((l = *lp) != NULL) {
1849 int ok = 0;
1850 int missing_net_address = 1;
1851 struct ifinfomsg *ifi = NLMSG_DATA(&l->h);
1852 struct nlmsg_list *a;
1853
1854 for (a = ainfo->head; a; a = a->next) {
1855 struct nlmsghdr *n = &a->h;
1856 struct ifaddrmsg *ifa = NLMSG_DATA(n);
1857 struct rtattr *tb[IFA_MAX + 1];
1858 unsigned int ifa_flags;
1859
1860 if (ifa->ifa_index != ifi->ifi_index)
1861 continue;
1862 missing_net_address = 0;
1863 if (filter.family && filter.family != ifa->ifa_family)
1864 continue;
1865 if ((filter.scope^ifa->ifa_scope)&filter.scopemask)
1866 continue;
1867
1868 parse_rtattr(tb, IFA_MAX, IFA_RTA(ifa), IFA_PAYLOAD(n));
1869 ifa_flags = get_ifa_flags(ifa, tb[IFA_FLAGS]);
1870
1871 if ((filter.flags ^ ifa_flags) & filter.flagmask)
1872 continue;
1873
1874 if (ifa_label_match_rta(ifa->ifa_index, tb[IFA_LABEL]))
1875 continue;
1876
1877 if (!tb[IFA_LOCAL])
1878 tb[IFA_LOCAL] = tb[IFA_ADDRESS];
1879 if (inet_addr_match_rta(&filter.pfx, tb[IFA_LOCAL]))
1880 continue;
1881
1882 ok = 1;
1883 break;
1884 }
1885 if (missing_net_address &&
1886 (filter.family == AF_UNSPEC || filter.family == AF_PACKET))
1887 ok = 1;
1888 if (!ok) {
1889 *lp = l->next;
1890 free(l);
1891 } else
1892 lp = &l->next;
1893 }
1894}
1895
1896static int ipaddr_dump_filter(struct nlmsghdr *nlh, int reqlen)
1897{
1898 struct ifaddrmsg *ifa = NLMSG_DATA(nlh);
1899
1900 ifa->ifa_index = filter.ifindex;
1901
1902 return 0;
1903}
1904
1905static int ipaddr_flush(void)
1906{
1907 int round = 0;
1908 char flushb[4096-512];
1909
1910 filter.flushb = flushb;
1911 filter.flushp = 0;
1912 filter.flushe = sizeof(flushb);
1913
1914 while ((max_flush_loops == 0) || (round < max_flush_loops)) {
1915 if (rtnl_addrdump_req(&rth, filter.family,
1916 ipaddr_dump_filter) < 0) {
1917 perror("Cannot send dump request");
1918 exit(1);
1919 }
1920 filter.flushed = 0;
1921 if (rtnl_dump_filter_nc(&rth, print_addrinfo,
1922 stdout, NLM_F_DUMP_INTR) < 0) {
1923 fprintf(stderr, "Flush terminated\n");
1924 exit(1);
1925 }
1926 if (filter.flushed == 0) {
1927 flush_done:
1928 if (show_stats) {
1929 if (round == 0)
1930 printf("Nothing to flush.\n");
1931 else
1932 printf("*** Flush is complete after %d round%s ***\n", round, round > 1?"s":"");
1933 }
1934 fflush(stdout);
1935 return 0;
1936 }
1937 round++;
1938 if (flush_update() < 0)
1939 return 1;
1940
1941 if (show_stats) {
1942 printf("\n*** Round %d, deleting %d addresses ***\n", round, filter.flushed);
1943 fflush(stdout);
1944 }
1945
1946
1947
1948
1949
1950
1951 if (!(filter.flags & IFA_F_SECONDARY) && (filter.flagmask & IFA_F_SECONDARY))
1952 goto flush_done;
1953 }
1954 fprintf(stderr, "*** Flush remains incomplete after %d rounds. ***\n", max_flush_loops);
1955 fflush(stderr);
1956 return 1;
1957}
1958
1959static int iplink_filter_req(struct nlmsghdr *nlh, int reqlen)
1960{
1961 int err;
1962
1963 err = addattr32(nlh, reqlen, IFLA_EXT_MASK, RTEXT_FILTER_VF);
1964 if (err)
1965 return err;
1966
1967 if (filter.master) {
1968 err = addattr32(nlh, reqlen, IFLA_MASTER, filter.master);
1969 if (err)
1970 return err;
1971 }
1972
1973 if (filter.kind) {
1974 struct rtattr *linkinfo;
1975
1976 linkinfo = addattr_nest(nlh, reqlen, IFLA_LINKINFO);
1977
1978 err = addattr_l(nlh, reqlen, IFLA_INFO_KIND, filter.kind,
1979 strlen(filter.kind));
1980 if (err)
1981 return err;
1982
1983 addattr_nest_end(nlh, linkinfo);
1984 }
1985
1986 return 0;
1987}
1988
1989static int ipaddr_link_get(int index, struct nlmsg_chain *linfo)
1990{
1991 struct iplink_req req = {
1992 .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)),
1993 .n.nlmsg_flags = NLM_F_REQUEST,
1994 .n.nlmsg_type = RTM_GETLINK,
1995 .i.ifi_family = filter.family,
1996 .i.ifi_index = index,
1997 };
1998 __u32 filt_mask = RTEXT_FILTER_VF;
1999 struct nlmsghdr *answer;
2000
2001 if (!show_stats)
2002 filt_mask |= RTEXT_FILTER_SKIP_STATS;
2003
2004 addattr32(&req.n, sizeof(req), IFLA_EXT_MASK, filt_mask);
2005
2006 if (rtnl_talk(&rth, &req.n, &answer) < 0) {
2007 perror("Cannot send link request");
2008 return 1;
2009 }
2010
2011 if (store_nlmsg(answer, linfo) < 0) {
2012 fprintf(stderr, "Failed to process link information\n");
2013 return 1;
2014 }
2015
2016 return 0;
2017}
2018
2019
2020
2021
2022
2023int ip_link_list(req_filter_fn_t filter_fn, struct nlmsg_chain *linfo)
2024{
2025 if (rtnl_linkdump_req_filter_fn(&rth, preferred_family,
2026 filter_fn) < 0) {
2027 perror("Cannot send dump request");
2028 return 1;
2029 }
2030
2031 if (rtnl_dump_filter(&rth, store_nlmsg, linfo) < 0) {
2032 fprintf(stderr, "Dump terminated\n");
2033 return 1;
2034 }
2035
2036 return 0;
2037}
2038
2039static int ip_addr_list(struct nlmsg_chain *ainfo)
2040{
2041 if (rtnl_addrdump_req(&rth, filter.family, ipaddr_dump_filter) < 0) {
2042 perror("Cannot send dump request");
2043 return 1;
2044 }
2045
2046 if (rtnl_dump_filter(&rth, store_nlmsg, ainfo) < 0) {
2047 fprintf(stderr, "Dump terminated\n");
2048 return 1;
2049 }
2050
2051 return 0;
2052}
2053
2054static int ipaddr_list_flush_or_save(int argc, char **argv, int action)
2055{
2056 struct nlmsg_chain linfo = { NULL, NULL};
2057 struct nlmsg_chain _ainfo = { NULL, NULL}, *ainfo = &_ainfo;
2058 struct nlmsg_list *l;
2059 char *filter_dev = NULL;
2060 int no_link = 0;
2061
2062 ipaddr_reset_filter(oneline, 0);
2063 filter.showqueue = 1;
2064 filter.family = preferred_family;
2065
2066 if (action == IPADD_FLUSH) {
2067 if (argc <= 0) {
2068 fprintf(stderr, "Flush requires arguments.\n");
2069
2070 return -1;
2071 }
2072 if (filter.family == AF_PACKET) {
2073 fprintf(stderr, "Cannot flush link addresses.\n");
2074 return -1;
2075 }
2076 }
2077
2078 while (argc > 0) {
2079 if (strcmp(*argv, "to") == 0) {
2080 NEXT_ARG();
2081 if (get_prefix(&filter.pfx, *argv, filter.family))
2082 invarg("invalid \"to\"\n", *argv);
2083 if (filter.family == AF_UNSPEC)
2084 filter.family = filter.pfx.family;
2085 } else if (strcmp(*argv, "scope") == 0) {
2086 unsigned int scope = 0;
2087
2088 NEXT_ARG();
2089 filter.scopemask = -1;
2090 if (rtnl_rtscope_a2n(&scope, *argv)) {
2091 if (strcmp(*argv, "all") != 0)
2092 invarg("invalid \"scope\"\n", *argv);
2093 scope = RT_SCOPE_NOWHERE;
2094 filter.scopemask = 0;
2095 }
2096 filter.scope = scope;
2097 } else if (strcmp(*argv, "up") == 0) {
2098 filter.up = 1;
2099 } else if (get_filter(*argv) == 0) {
2100
2101 } else if (strcmp(*argv, "label") == 0) {
2102 NEXT_ARG();
2103 filter.label = *argv;
2104 } else if (strcmp(*argv, "group") == 0) {
2105 NEXT_ARG();
2106 if (rtnl_group_a2n(&filter.group, *argv))
2107 invarg("Invalid \"group\" value\n", *argv);
2108 } else if (strcmp(*argv, "master") == 0) {
2109 int ifindex;
2110
2111 NEXT_ARG();
2112 ifindex = ll_name_to_index(*argv);
2113 if (!ifindex)
2114 invarg("Device does not exist\n", *argv);
2115 filter.master = ifindex;
2116 } else if (strcmp(*argv, "vrf") == 0) {
2117 int ifindex;
2118
2119 NEXT_ARG();
2120 ifindex = ll_name_to_index(*argv);
2121 if (!ifindex)
2122 invarg("Not a valid VRF name\n", *argv);
2123 if (!name_is_vrf(*argv))
2124 invarg("Not a valid VRF name\n", *argv);
2125 filter.master = ifindex;
2126 } else if (strcmp(*argv, "type") == 0) {
2127 int soff;
2128
2129 NEXT_ARG();
2130 soff = strlen(*argv) - strlen("_slave");
2131 if (!strcmp(*argv + soff, "_slave")) {
2132 (*argv)[soff] = '\0';
2133 filter.slave_kind = *argv;
2134 } else {
2135 filter.kind = *argv;
2136 }
2137 } else {
2138 if (strcmp(*argv, "dev") == 0)
2139 NEXT_ARG();
2140 else if (matches(*argv, "help") == 0)
2141 usage();
2142 if (filter_dev)
2143 duparg2("dev", *argv);
2144 filter_dev = *argv;
2145 }
2146 argv++; argc--;
2147 }
2148
2149 if (filter_dev) {
2150 filter.ifindex = ll_name_to_index(filter_dev);
2151 if (filter.ifindex <= 0) {
2152 fprintf(stderr, "Device \"%s\" does not exist.\n", filter_dev);
2153 return -1;
2154 }
2155 }
2156
2157 if (action == IPADD_FLUSH)
2158 return ipaddr_flush();
2159
2160 if (action == IPADD_SAVE) {
2161 if (ipadd_save_prep())
2162 exit(1);
2163
2164 if (rtnl_addrdump_req(&rth, preferred_family,
2165 ipaddr_dump_filter) < 0) {
2166 perror("Cannot send dump request");
2167 exit(1);
2168 }
2169
2170 if (rtnl_dump_filter(&rth, save_nlmsg, stdout) < 0) {
2171 fprintf(stderr, "Save terminated\n");
2172 exit(1);
2173 }
2174
2175 exit(0);
2176 }
2177
2178
2179
2180
2181
2182 new_json_obj(json);
2183
2184
2185
2186
2187
2188
2189 if (filter_dev && filter.group == -1 && do_link == 1) {
2190 if (iplink_get(filter_dev, RTEXT_FILTER_VF) < 0) {
2191 perror("Cannot send link get request");
2192 delete_json_obj();
2193 exit(1);
2194 }
2195 delete_json_obj();
2196 goto out;
2197 }
2198
2199 if (filter.ifindex) {
2200 if (ipaddr_link_get(filter.ifindex, &linfo) != 0)
2201 goto out;
2202 } else {
2203 if (ip_link_list(iplink_filter_req, &linfo) != 0)
2204 goto out;
2205 }
2206
2207 if (filter.family != AF_PACKET) {
2208 if (filter.oneline)
2209 no_link = 1;
2210
2211 if (ip_addr_list(ainfo) != 0)
2212 goto out;
2213
2214 ipaddr_filter(&linfo, ainfo);
2215 }
2216
2217 for (l = linfo.head; l; l = l->next) {
2218 struct nlmsghdr *n = &l->h;
2219 struct ifinfomsg *ifi = NLMSG_DATA(n);
2220 int res = 0;
2221
2222 open_json_object(NULL);
2223 if (brief || !no_link)
2224 res = print_linkinfo(n, stdout);
2225 if (res >= 0 && filter.family != AF_PACKET)
2226 print_selected_addrinfo(ifi, ainfo->head, stdout);
2227 if (res > 0 && !do_link && show_stats)
2228 print_link_stats(stdout, n);
2229 close_json_object();
2230 }
2231 fflush(stdout);
2232
2233out:
2234 free_nlmsg_chain(ainfo);
2235 free_nlmsg_chain(&linfo);
2236 delete_json_obj();
2237 return 0;
2238}
2239
2240static void
2241ipaddr_loop_each_vf(struct rtattr *tb[], int vfnum, int *min, int *max)
2242{
2243 struct rtattr *vflist = tb[IFLA_VFINFO_LIST];
2244 struct rtattr *i, *vf[IFLA_VF_MAX+1];
2245 struct ifla_vf_rate *vf_rate;
2246 int rem;
2247
2248 rem = RTA_PAYLOAD(vflist);
2249
2250 for (i = RTA_DATA(vflist); RTA_OK(i, rem); i = RTA_NEXT(i, rem)) {
2251 parse_rtattr_nested(vf, IFLA_VF_MAX, i);
2252
2253 if (!vf[IFLA_VF_RATE]) {
2254 fprintf(stderr, "VF min/max rate API not supported\n");
2255 exit(1);
2256 }
2257
2258 vf_rate = RTA_DATA(vf[IFLA_VF_RATE]);
2259 if (vf_rate->vf == vfnum) {
2260 *min = vf_rate->min_tx_rate;
2261 *max = vf_rate->max_tx_rate;
2262 return;
2263 }
2264 }
2265 fprintf(stderr, "Cannot find VF %d\n", vfnum);
2266 exit(1);
2267}
2268
2269void ipaddr_get_vf_rate(int vfnum, int *min, int *max, const char *dev)
2270{
2271 struct nlmsg_chain linfo = { NULL, NULL};
2272 struct rtattr *tb[IFLA_MAX+1];
2273 struct ifinfomsg *ifi;
2274 struct nlmsg_list *l;
2275 struct nlmsghdr *n;
2276 int idx, len;
2277
2278 idx = ll_name_to_index(dev);
2279 if (idx == 0) {
2280 fprintf(stderr, "Device %s does not exist\n", dev);
2281 exit(1);
2282 }
2283
2284 if (rtnl_linkdump_req(&rth, AF_UNSPEC) < 0) {
2285 perror("Cannot send dump request");
2286 exit(1);
2287 }
2288 if (rtnl_dump_filter(&rth, store_nlmsg, &linfo) < 0) {
2289 fprintf(stderr, "Dump terminated\n");
2290 exit(1);
2291 }
2292 for (l = linfo.head; l; l = l->next) {
2293 n = &l->h;
2294 ifi = NLMSG_DATA(n);
2295
2296 len = n->nlmsg_len - NLMSG_LENGTH(sizeof(*ifi));
2297 if (len < 0 || (idx && idx != ifi->ifi_index))
2298 continue;
2299
2300 parse_rtattr(tb, IFLA_MAX, IFLA_RTA(ifi), len);
2301
2302 if ((tb[IFLA_VFINFO_LIST] && tb[IFLA_NUM_VF])) {
2303 ipaddr_loop_each_vf(tb, vfnum, min, max);
2304 return;
2305 }
2306 }
2307}
2308
2309int ipaddr_list_link(int argc, char **argv)
2310{
2311 preferred_family = AF_PACKET;
2312 do_link = 1;
2313 return ipaddr_list_flush_or_save(argc, argv, IPADD_LIST);
2314}
2315
2316void ipaddr_reset_filter(int oneline, int ifindex)
2317{
2318 memset(&filter, 0, sizeof(filter));
2319 filter.oneline = oneline;
2320 filter.ifindex = ifindex;
2321 filter.group = -1;
2322}
2323
2324static int default_scope(inet_prefix *lcl)
2325{
2326 if (lcl->family == AF_INET) {
2327 if (lcl->bytelen >= 1 && *(__u8 *)&lcl->data == 127)
2328 return RT_SCOPE_HOST;
2329 }
2330 return 0;
2331}
2332
2333static bool ipaddr_is_multicast(inet_prefix *a)
2334{
2335 if (a->family == AF_INET)
2336 return IN_MULTICAST(ntohl(a->data[0]));
2337 else if (a->family == AF_INET6)
2338 return IN6_IS_ADDR_MULTICAST(a->data);
2339 else
2340 return false;
2341}
2342
2343static bool is_valid_label(const char *dev, const char *label)
2344{
2345 size_t len = strlen(dev);
2346
2347 if (strncmp(label, dev, len) != 0)
2348 return false;
2349
2350 return label[len] == '\0' || label[len] == ':';
2351}
2352
2353static int ipaddr_modify(int cmd, int flags, int argc, char **argv)
2354{
2355 struct {
2356 struct nlmsghdr n;
2357 struct ifaddrmsg ifa;
2358 char buf[256];
2359 } req = {
2360 .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg)),
2361 .n.nlmsg_flags = NLM_F_REQUEST | flags,
2362 .n.nlmsg_type = cmd,
2363 .ifa.ifa_family = preferred_family,
2364 };
2365 char *d = NULL;
2366 char *l = NULL;
2367 char *lcl_arg = NULL;
2368 char *valid_lftp = NULL;
2369 char *preferred_lftp = NULL;
2370 inet_prefix lcl = {};
2371 inet_prefix peer;
2372 int local_len = 0;
2373 int peer_len = 0;
2374 int brd_len = 0;
2375 int any_len = 0;
2376 int scoped = 0;
2377 __u32 preferred_lft = INFINITY_LIFE_TIME;
2378 __u32 valid_lft = INFINITY_LIFE_TIME;
2379 unsigned int ifa_flags = 0;
2380
2381 while (argc > 0) {
2382 if (strcmp(*argv, "peer") == 0 ||
2383 strcmp(*argv, "remote") == 0) {
2384 NEXT_ARG();
2385
2386 if (peer_len)
2387 duparg("peer", *argv);
2388 get_prefix(&peer, *argv, req.ifa.ifa_family);
2389 peer_len = peer.bytelen;
2390 if (req.ifa.ifa_family == AF_UNSPEC)
2391 req.ifa.ifa_family = peer.family;
2392 addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &peer.data, peer.bytelen);
2393 req.ifa.ifa_prefixlen = peer.bitlen;
2394 } else if (matches(*argv, "broadcast") == 0 ||
2395 strcmp(*argv, "brd") == 0) {
2396 inet_prefix addr;
2397
2398 NEXT_ARG();
2399 if (brd_len)
2400 duparg("broadcast", *argv);
2401 if (strcmp(*argv, "+") == 0)
2402 brd_len = -1;
2403 else if (strcmp(*argv, "-") == 0)
2404 brd_len = -2;
2405 else {
2406 get_addr(&addr, *argv, req.ifa.ifa_family);
2407 if (req.ifa.ifa_family == AF_UNSPEC)
2408 req.ifa.ifa_family = addr.family;
2409 addattr_l(&req.n, sizeof(req), IFA_BROADCAST, &addr.data, addr.bytelen);
2410 brd_len = addr.bytelen;
2411 }
2412 } else if (strcmp(*argv, "anycast") == 0) {
2413 inet_prefix addr;
2414
2415 NEXT_ARG();
2416 if (any_len)
2417 duparg("anycast", *argv);
2418 get_addr(&addr, *argv, req.ifa.ifa_family);
2419 if (req.ifa.ifa_family == AF_UNSPEC)
2420 req.ifa.ifa_family = addr.family;
2421 addattr_l(&req.n, sizeof(req), IFA_ANYCAST, &addr.data, addr.bytelen);
2422 any_len = addr.bytelen;
2423 } else if (strcmp(*argv, "scope") == 0) {
2424 unsigned int scope = 0;
2425
2426 NEXT_ARG();
2427 if (rtnl_rtscope_a2n(&scope, *argv))
2428 invarg("invalid scope value.", *argv);
2429 req.ifa.ifa_scope = scope;
2430 scoped = 1;
2431 } else if (strcmp(*argv, "dev") == 0) {
2432 NEXT_ARG();
2433 d = *argv;
2434 } else if (strcmp(*argv, "label") == 0) {
2435 NEXT_ARG();
2436 l = *argv;
2437 addattr_l(&req.n, sizeof(req), IFA_LABEL, l, strlen(l)+1);
2438 } else if (matches(*argv, "metric") == 0 ||
2439 matches(*argv, "priority") == 0 ||
2440 matches(*argv, "preference") == 0) {
2441 __u32 metric;
2442
2443 NEXT_ARG();
2444 if (get_u32(&metric, *argv, 0))
2445 invarg("\"metric\" value is invalid\n", *argv);
2446 addattr32(&req.n, sizeof(req), IFA_RT_PRIORITY, metric);
2447 } else if (matches(*argv, "valid_lft") == 0) {
2448 if (valid_lftp)
2449 duparg("valid_lft", *argv);
2450 NEXT_ARG();
2451 valid_lftp = *argv;
2452 if (set_lifetime(&valid_lft, *argv))
2453 invarg("valid_lft value", *argv);
2454 } else if (matches(*argv, "preferred_lft") == 0) {
2455 if (preferred_lftp)
2456 duparg("preferred_lft", *argv);
2457 NEXT_ARG();
2458 preferred_lftp = *argv;
2459 if (set_lifetime(&preferred_lft, *argv))
2460 invarg("preferred_lft value", *argv);
2461 } else if (lookup_flag_data_by_name(*argv)) {
2462 const struct ifa_flag_data_t* flag_data = lookup_flag_data_by_name(*argv);
2463 if (flag_data->readonly) {
2464 fprintf(stderr, "Warning: %s option is not mutable from userspace\n", flag_data->name);
2465 } else if (flag_data->v6only && req.ifa.ifa_family != AF_INET6) {
2466 fprintf(stderr, "Warning: %s option can be set only for IPv6 addresses\n", flag_data->name);
2467 } else {
2468 ifa_flags |= flag_data->mask;
2469 }
2470 } else {
2471 if (strcmp(*argv, "local") == 0)
2472 NEXT_ARG();
2473 if (matches(*argv, "help") == 0)
2474 usage();
2475 if (local_len)
2476 duparg2("local", *argv);
2477 lcl_arg = *argv;
2478 get_prefix(&lcl, *argv, req.ifa.ifa_family);
2479 if (req.ifa.ifa_family == AF_UNSPEC)
2480 req.ifa.ifa_family = lcl.family;
2481 addattr_l(&req.n, sizeof(req), IFA_LOCAL, &lcl.data, lcl.bytelen);
2482 local_len = lcl.bytelen;
2483 }
2484 argc--; argv++;
2485 }
2486 if (ifa_flags <= 0xff)
2487 req.ifa.ifa_flags = ifa_flags;
2488 else
2489 addattr32(&req.n, sizeof(req), IFA_FLAGS, ifa_flags);
2490
2491 if (d == NULL) {
2492 fprintf(stderr, "Not enough information: \"dev\" argument is required.\n");
2493 return -1;
2494 }
2495 if (l && !is_valid_label(d, l)) {
2496 fprintf(stderr,
2497 "\"label\" (%s) must match \"dev\" (%s) or be prefixed by \"dev\" with a colon.\n",
2498 l, d);
2499 return -1;
2500 }
2501
2502 if (peer_len == 0 && local_len) {
2503 if (cmd == RTM_DELADDR && lcl.family == AF_INET && !(lcl.flags & PREFIXLEN_SPECIFIED)) {
2504 fprintf(stderr,
2505 "Warning: Executing wildcard deletion to stay compatible with old scripts.\n"
2506 " Explicitly specify the prefix length (%s/%d) to avoid this warning.\n"
2507 " This special behaviour is likely to disappear in further releases,\n"
2508 " fix your scripts!\n", lcl_arg, local_len*8);
2509 } else {
2510 peer = lcl;
2511 addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &lcl.data, lcl.bytelen);
2512 }
2513 }
2514 if (req.ifa.ifa_prefixlen == 0)
2515 req.ifa.ifa_prefixlen = lcl.bitlen;
2516
2517 if (brd_len < 0 && cmd != RTM_DELADDR) {
2518 inet_prefix brd;
2519 int i;
2520
2521 if (req.ifa.ifa_family != AF_INET) {
2522 fprintf(stderr, "Broadcast can be set only for IPv4 addresses\n");
2523 return -1;
2524 }
2525 brd = peer;
2526 if (brd.bitlen <= 30) {
2527 for (i = 31; i >= brd.bitlen; i--) {
2528 if (brd_len == -1)
2529 brd.data[0] |= htonl(1<<(31-i));
2530 else
2531 brd.data[0] &= ~htonl(1<<(31-i));
2532 }
2533 addattr_l(&req.n, sizeof(req), IFA_BROADCAST, &brd.data, brd.bytelen);
2534 brd_len = brd.bytelen;
2535 }
2536 }
2537 if (!scoped && cmd != RTM_DELADDR)
2538 req.ifa.ifa_scope = default_scope(&lcl);
2539
2540 req.ifa.ifa_index = ll_name_to_index(d);
2541 if (!req.ifa.ifa_index)
2542 return nodev(d);
2543
2544 if (valid_lftp || preferred_lftp) {
2545 struct ifa_cacheinfo cinfo = {};
2546
2547 if (!valid_lft) {
2548 fprintf(stderr, "valid_lft is zero\n");
2549 return -1;
2550 }
2551 if (valid_lft < preferred_lft) {
2552 fprintf(stderr, "preferred_lft is greater than valid_lft\n");
2553 return -1;
2554 }
2555
2556 cinfo.ifa_prefered = preferred_lft;
2557 cinfo.ifa_valid = valid_lft;
2558 addattr_l(&req.n, sizeof(req), IFA_CACHEINFO, &cinfo,
2559 sizeof(cinfo));
2560 }
2561
2562 if ((ifa_flags & IFA_F_MCAUTOJOIN) && !ipaddr_is_multicast(&lcl)) {
2563 fprintf(stderr, "autojoin needs multicast address\n");
2564 return -1;
2565 }
2566
2567 if (rtnl_talk(&rth, &req.n, NULL) < 0)
2568 return -2;
2569
2570 return 0;
2571}
2572
2573int do_ipaddr(int argc, char **argv)
2574{
2575 if (argc < 1)
2576 return ipaddr_list_flush_or_save(0, NULL, IPADD_LIST);
2577 if (matches(*argv, "add") == 0)
2578 return ipaddr_modify(RTM_NEWADDR, NLM_F_CREATE|NLM_F_EXCL, argc-1, argv+1);
2579 if (matches(*argv, "change") == 0 ||
2580 strcmp(*argv, "chg") == 0)
2581 return ipaddr_modify(RTM_NEWADDR, NLM_F_REPLACE, argc-1, argv+1);
2582 if (matches(*argv, "replace") == 0)
2583 return ipaddr_modify(RTM_NEWADDR, NLM_F_CREATE|NLM_F_REPLACE, argc-1, argv+1);
2584 if (matches(*argv, "delete") == 0)
2585 return ipaddr_modify(RTM_DELADDR, 0, argc-1, argv+1);
2586 if (matches(*argv, "list") == 0 || matches(*argv, "show") == 0
2587 || matches(*argv, "lst") == 0)
2588 return ipaddr_list_flush_or_save(argc-1, argv+1, IPADD_LIST);
2589 if (matches(*argv, "flush") == 0)
2590 return ipaddr_list_flush_or_save(argc-1, argv+1, IPADD_FLUSH);
2591 if (matches(*argv, "save") == 0)
2592 return ipaddr_list_flush_or_save(argc-1, argv+1, IPADD_SAVE);
2593 if (matches(*argv, "showdump") == 0)
2594 return ipaddr_showdump();
2595 if (matches(*argv, "restore") == 0)
2596 return ipaddr_restore();
2597 if (matches(*argv, "help") == 0)
2598 usage();
2599 fprintf(stderr, "Command \"%s\" is unknown, try \"ip address help\".\n", *argv);
2600 exit(-1);
2601}
2602
