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iprule: support for ip_proto, sport and dport match options
[mirror_iproute2.git] / ip / ipaddress.c
CommitLineData
aba5acdf
SH		 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 *
aba5acdf
SH		 11 */
12
13#include <stdio.h>
14#include <stdlib.h>
15#include <unistd.h>
e6e6fb5c 16#include <inttypes.h>
aba5acdf
SH		 17#include <fcntl.h>
18#include <sys/ioctl.h>
19#include <sys/socket.h>
110e84a0 20#include <sys/param.h>
5bd9dd49 21#include <errno.h>
aba5acdf
SH		 22#include <netinet/in.h>
23#include <arpa/inet.h>
24#include <string.h>
25#include <fnmatch.h>
26
e5779fb2
SH		 27#include <linux/netdevice.h>
28#include <linux/if_arp.h>
29#include <linux/sockios.h>
ccdcbf35 30#include <linux/net_namespace.h>
e5779fb2 31
d0e72011 32#include "utils.h"
aba5acdf
SH		 33#include "rt_names.h"
34#include "utils.h"
35#include "ll_map.h"
36#include "ip_common.h"
d7bd2db5 37#include "color.h"
aba5acdf 38
81824ac2
PE		 39enum {
40 IPADD_LIST,
41 IPADD_FLUSH,
42 IPADD_SAVE,
43};
7b3d366e 44
741dd5cd 45static struct link_filter filter;
aba5acdf
SH		 46static int do_link;
47
48static void usage(void) __attribute__((noreturn));
49
50static void usage(void)
51{
52 if (do_link) {
53 iplink_usage();
54 }
4e972d5e 55 fprintf(stderr, "Usage: ip address {add|change|replace} IFADDR dev IFNAME [ LIFETIME ]\n");
a1f27794 56 fprintf(stderr, " [ CONFFLAG-LIST ]\n");
4e972d5e 57 fprintf(stderr, " ip address del IFADDR dev IFNAME [mngtmpaddr]\n");
24604eb2 58 fprintf(stderr, " ip address {save|flush} [ dev IFNAME ] [ scope SCOPE-ID ]\n");
4e972d5e 59 fprintf(stderr, " [ to PREFIX ] [ FLAG-LIST ] [ label LABEL ] [up]\n");
24604eb2
PS		 60 fprintf(stderr, " ip address [ show [ dev IFNAME ] [ scope SCOPE-ID ] [ master DEVICE ]\n");
61 fprintf(stderr, " [ type TYPE ] [ to PREFIX ] [ FLAG-LIST ]\n");
104444c2 62 fprintf(stderr, " [ label LABEL ] [up] [ vrf NAME ] ]\n");
4e972d5e 63 fprintf(stderr, " ip address {showdump|restore}\n");
aba5acdf
SH		 64 fprintf(stderr, "IFADDR := PREFIX | ADDR peer PREFIX\n");
65 fprintf(stderr, " [ broadcast ADDR ] [ anycast ADDR ]\n");
4e972d5e 66 fprintf(stderr, " [ label IFNAME ] [ scope SCOPE-ID ]\n");
aba5acdf
SH		 67 fprintf(stderr, "SCOPE-ID := [ host | link | global | NUMBER ]\n");
68 fprintf(stderr, "FLAG-LIST := [ FLAG-LIST ] FLAG\n");
69 fprintf(stderr, "FLAG := [ permanent | dynamic | secondary | primary |\n");
b5f39b25 70 fprintf(stderr, " [-]tentative | [-]deprecated | [-]dadfailed | temporary |\n");
a1f27794 71 fprintf(stderr, " CONFFLAG-LIST ]\n");
bac735c5 72 fprintf(stderr, "CONFFLAG-LIST := [ CONFFLAG-LIST ] CONFFLAG\n");
e31867ac 73 fprintf(stderr, "CONFFLAG := [ home | nodad | mngtmpaddr | noprefixroute | autojoin ]\n");
35546df7
MN		 74 fprintf(stderr, "LIFETIME := [ valid_lft LFT ] [ preferred_lft LFT ]\n");
75 fprintf(stderr, "LFT := forever | SECONDS\n");
7827b376 76 fprintf(stderr, "TYPE := { vlan | veth | vcan | vxcan | dummy | ifb | macvlan | macvtap |\n");
577cfe0b 77 fprintf(stderr, " bridge | bond | ipoib | ip6tnl | ipip | sit | vxlan | lowpan |\n");
8595cc40
WT		 78 fprintf(stderr, " gre | gretap | erspan | ip6gre | ip6gretap | ip6erspan | vti |\n");
79 fprintf(stderr, " nlmon | can | bond_slave | ipvlan | geneve | bridge_slave |\n");
7d424c71 80 fprintf(stderr, " hsr | macsec | netdevsim\n");
35546df7 81
aba5acdf
SH		 82 exit(-1);
83}
84
56f5daac 85static void print_link_flags(FILE *fp, unsigned int flags, unsigned int mdown)
aba5acdf 86{
d0e72011 87 open_json_array(PRINT_ANY, is_json_context() ? "flags" : "<");
73b49e9f 88 if (flags & IFF_UP && !(flags & IFF_RUNNING))
d0e72011
JF		 89 print_string(PRINT_ANY, NULL,
90 flags ? "%s," : "%s", "NO-CARRIER");
aba5acdf 91 flags &= ~IFF_RUNNING;
d0e72011
JF		 92#define _PF(f) if (flags&IFF_##f) { \
93 flags &= ~IFF_##f ; \
94 print_string(PRINT_ANY, NULL, flags ? "%s," : "%s", #f); }
aba5acdf
SH		 95 _PF(LOOPBACK);
96 _PF(BROADCAST);
97 _PF(POINTOPOINT);
98 _PF(MULTICAST);
99 _PF(NOARP);
100 _PF(ALLMULTI);
101 _PF(PROMISC);
102 _PF(MASTER);
103 _PF(SLAVE);
104 _PF(DEBUG);
105 _PF(DYNAMIC);
106 _PF(AUTOMEDIA);
107 _PF(PORTSEL);
108 _PF(NOTRAILERS);
109 _PF(UP);
dcb283c3
TG		 110 _PF(LOWER_UP);
111 _PF(DORMANT);
98f9a1d2 112 _PF(ECHO);
aba5acdf 113#undef _PF
1124ffb7 114 if (flags)
d0e72011 115 print_hex(PRINT_ANY, NULL, "%x", flags);
aba5acdf 116 if (mdown)
d0e72011
JF		 117 print_string(PRINT_ANY, NULL, ",%s", "M-DOWN");
118 close_json_array(PRINT_ANY, "> ");
aba5acdf
SH		 119}
120
3d866ba2 121static const char *oper_states[] = {
0612519e 122 "UNKNOWN", "NOTPRESENT", "DOWN", "LOWERLAYERDOWN",
3d866ba2
SH		 123 "TESTING", "DORMANT", "UP"
124};
125
126static void print_operstate(FILE *f, __u8 state)
127{
a1121aa1 128 if (state >= ARRAY_SIZE(oper_states)) {
d0e72011
JF		 129 if (is_json_context())
130 print_uint(PRINT_JSON, "operstate_index", NULL, state);
131 else
132 print_0xhex(PRINT_FP, NULL, "state %#x", state);
a1121aa1 133 } else if (brief) {
d0e72011
JF		 134 print_color_string(PRINT_ANY,
135 oper_state_color(state),
136 "operstate",
137 "%-14s ",
138 oper_states[state]);
a1121aa1 139 } else {
d0e72011
JF		 140 if (is_json_context())
141 print_string(PRINT_JSON,
142 "operstate",
143 NULL, oper_states[state]);
144 else {
145 fprintf(f, "state ");
146 color_fprintf(f, oper_state_color(state),
147 "%s ", oper_states[state]);
148 }
d7bd2db5 149 }
3d866ba2
SH		 150}
151
4f2fdd44
SH		 152int get_operstate(const char *name)
153{
154 int i;
155
56f5daac 156 for (i = 0; i < ARRAY_SIZE(oper_states); i++)
4f2fdd44
SH		 157 if (strcasecmp(name, oper_states[i]) == 0)
158 return i;
159 return -1;
160}
161
f78e316f 162static void print_queuelen(FILE *f, struct rtattr *tb[IFLA_MAX + 1])
aba5acdf 163{
f78e316f
ED		 164 int qlen;
165
166 if (tb[IFLA_TXQLEN])
9f1370c0 167 qlen = rta_getattr_u32(tb[IFLA_TXQLEN]);
f78e316f 168 else {
d17b136f 169 struct ifreq ifr = {};
f78e316f
ED		 170 int s = socket(AF_INET, SOCK_STREAM, 0);
171
172 if (s < 0)
173 return;
174
ff24746c 175 strcpy(ifr.ifr_name, rta_getattr_str(tb[IFLA_IFNAME]));
f78e316f 176 if (ioctl(s, SIOCGIFTXQLEN, &ifr) < 0) {
d3603518 177 fprintf(f, "ioctl(SIOCGIFTXQLEN) failed: %s\n", strerror(errno));
f78e316f
ED		 178 close(s);
179 return;
180 }
aba5acdf 181 close(s);
f78e316f 182 qlen = ifr.ifr_qlen;
aba5acdf 183 }
f78e316f 184 if (qlen)
d0e72011 185 print_int(PRINT_ANY, "txqlen", "qlen %d", qlen);
aba5acdf
SH		 186}
187
82499282
SH		 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
56f5daac 196 if (mode >= ARRAY_SIZE(link_modes))
d0e72011
JF		 197 print_int(PRINT_ANY,
198 "linkmode_index",
199 "mode %d ",
200 mode);
82499282 201 else
d0e72011
JF		 202 print_string(PRINT_ANY,
203 "linkmode",
204 "mode %s "
205 , link_modes[mode]);
82499282
SH		 206}
207
e0513807 208static char *parse_link_kind(struct rtattr *tb, bool slave)
712249d8
VK		 209{
210 struct rtattr *linkinfo[IFLA_INFO_MAX+1];
e0513807 211 int attr = slave ? IFLA_INFO_SLAVE_KIND : IFLA_INFO_KIND;
712249d8
VK		 212
213 parse_rtattr_nested(linkinfo, IFLA_INFO_MAX, tb);
214
e0513807
PS		 215 if (linkinfo[attr])
216 return RTA_DATA(linkinfo[attr]);
712249d8
VK		 217
218 return "";
219}
220
03ac85b7 221static int match_link_kind(struct rtattr **tb, const char *kind, bool slave)
e0513807
PS		 222{
223 if (!tb[IFLA_LINKINFO])
224 return -1;
225
226 return strcmp(parse_link_kind(tb[IFLA_LINKINFO], slave), kind);
227}
228
1d934839
PM		 229static void print_linktype(FILE *fp, struct rtattr *tb)
230{
231 struct rtattr *linkinfo[IFLA_INFO_MAX+1];
232 struct link_util *lu;
fbea6115 233 struct link_util *slave_lu;
22a84711 234 char slave[32];
1d934839
PM		 235
236 parse_rtattr_nested(linkinfo, IFLA_INFO_MAX, tb);
d0e72011 237 open_json_object("linkinfo");
1d934839 238
fbea6115 239 if (linkinfo[IFLA_INFO_KIND]) {
9f1370c0
SH		 240 const char *kind
241 = rta_getattr_str(linkinfo[IFLA_INFO_KIND]);
1d934839 242
d0e72011
JF		 243 print_string(PRINT_FP, NULL, "%s", _SL_);
244 print_string(PRINT_ANY, "info_kind", " %s ", kind);
1d934839 245
fbea6115
JP		 246 lu = get_link_kind(kind);
247 if (lu && lu->print_opt) {
248 struct rtattr *attr[lu->maxattr+1], **data = NULL;
1d934839 249
fbea6115
JP		 250 if (linkinfo[IFLA_INFO_DATA]) {
251 parse_rtattr_nested(attr, lu->maxattr,
252 linkinfo[IFLA_INFO_DATA]);
253 data = attr;
254 }
d0e72011 255 open_json_object("info_data");
fbea6115 256 lu->print_opt(lu, fp, data);
d0e72011 257 close_json_object();
1d934839 258
fbea6115 259 if (linkinfo[IFLA_INFO_XSTATS] && show_stats &&
d0e72011
JF		 260 lu->print_xstats) {
261 open_json_object("info_xstats");
fbea6115 262 lu->print_xstats(lu, fp, linkinfo[IFLA_INFO_XSTATS]);
d0e72011
JF		 263 close_json_object();
264 }
1d934839 265 }
fbea6115
JP		 266 }
267
268 if (linkinfo[IFLA_INFO_SLAVE_KIND]) {
9f1370c0
SH		 269 const char *slave_kind
270 = rta_getattr_str(linkinfo[IFLA_INFO_SLAVE_KIND]);
1d934839 271
d0e72011
JF		 272 print_string(PRINT_FP, NULL, "%s", _SL_);
273 print_string(PRINT_ANY,
274 "info_slave_kind",
275 " %s_slave ",
276 slave_kind);
277
22a84711 278 snprintf(slave, sizeof(slave), "%s_slave", slave_kind);
fbea6115 279
22a84711 280 slave_lu = get_link_kind(slave);
fbea6115
JP		 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 }
d0e72011 289 open_json_object("info_slave_data");
fbea6115 290 slave_lu->print_opt(slave_lu, fp, data);
d0e72011 291 close_json_object();
fbea6115 292 }
1d934839 293 }
d0e72011 294 close_json_object();
1d934839
PM		 295}
296
ee0067a9
JP		 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]) {
5c5176ce 309 __u8 mode = rta_getattr_u8(tb[IFLA_INET6_ADDR_GEN_MODE]);
d0e72011 310 SPRINT_BUF(b1);
56f5daac 311
5c5176ce 312 switch (mode) {
ee0067a9 313 case IN6_ADDR_GEN_MODE_EUI64:
d0e72011
JF		 314 print_string(PRINT_ANY,
315 "inet6_addr_gen_mode",
316 "addrgenmode %s ",
317 "eui64");
ee0067a9
JP		 318 break;
319 case IN6_ADDR_GEN_MODE_NONE:
d0e72011
JF		 320 print_string(PRINT_ANY,
321 "inet6_addr_gen_mode",
322 "addrgenmode %s ",
323 "none");
ee0067a9 324 break;
5c5176ce 325 case IN6_ADDR_GEN_MODE_STABLE_PRIVACY:
d0e72011
JF		 326 print_string(PRINT_ANY,
327 "inet6_addr_gen_mode",
328 "addrgenmode %s ",
329 "stable_secret");
5c5176ce 330 break;
8e12bc0a 331 case IN6_ADDR_GEN_MODE_RANDOM:
d0e72011
JF		 332 print_string(PRINT_ANY,
333 "inet6_addr_gen_mode",
334 "addrgenmode %s ",
335 "random");
8e12bc0a 336 break;
5c5176ce 337 default:
d0e72011
JF		 338 snprintf(b1, sizeof(b1), "%#.2hhx", mode);
339 print_string(PRINT_ANY,
340 "inet6_addr_gen_mode",
341 "addrgenmode %s ",
342 b1);
5c5176ce 343 break;
ee0067a9
JP		 344 }
345 }
346}
347
a1b99717
EBE		 348static void print_vf_stats64(FILE *fp, struct rtattr *vfstats);
349
3fd86630
CW		 350static void print_vfinfo(FILE *fp, struct rtattr *vfinfo)
351{
352 struct ifla_vf_mac *vf_mac;
3fd86630 353 struct ifla_vf_tx_rate *vf_tx_rate;
8c29ae7c 354 struct rtattr *vf[IFLA_VF_MAX + 1] = {};
56f5daac 355
3fd86630
CW		 356 SPRINT_BUF(b1);
357
358 if (vfinfo->rta_type != IFLA_VF_INFO) {
359 fprintf(stderr, "BUG: rta type is %d\n", vfinfo->rta_type);
360 return;
361 }
362
363 parse_rtattr_nested(vf, IFLA_VF_MAX, vfinfo);
364
365 vf_mac = RTA_DATA(vf[IFLA_VF_MAC]);
3fd86630
CW		 366 vf_tx_rate = RTA_DATA(vf[IFLA_VF_TX_RATE]);
367
d0e72011
JF		 368 print_string(PRINT_FP, NULL, "%s ", _SL_);
369 print_int(PRINT_ANY, "vf", "vf %d ", vf_mac->vf);
370 print_string(PRINT_ANY, "mac", "MAC %s",
371 ll_addr_n2a((unsigned char *) &vf_mac->mac,
372 ETH_ALEN, 0, b1, sizeof(b1)));
373
56e9f0ab
MS		 374 if (vf[IFLA_VF_VLAN_LIST]) {
375 struct rtattr *i, *vfvlanlist = vf[IFLA_VF_VLAN_LIST];
376 int rem = RTA_PAYLOAD(vfvlanlist);
377
d0e72011 378 open_json_array(PRINT_JSON, "vlan_list");
56e9f0ab 379 for (i = RTA_DATA(vfvlanlist);
d0e72011
JF		 380 RTA_OK(i, rem); i = RTA_NEXT(i, rem)) {
381 struct ifla_vf_vlan_info *vf_vlan_info = RTA_DATA(i);
56e9f0ab
MS		 382 SPRINT_BUF(b2);
383
d0e72011 384 open_json_object(NULL);
56e9f0ab 385 if (vf_vlan_info->vlan)
d0e72011
JF		 386 print_int(PRINT_ANY,
387 "vlan",
388 ", vlan %d",
389 vf_vlan_info->vlan);
56e9f0ab 390 if (vf_vlan_info->qos)
d0e72011
JF		 391 print_int(PRINT_ANY,
392 "qos",
393 ", qos %d",
394 vf_vlan_info->qos);
56e9f0ab
MS		 395 if (vf_vlan_info->vlan_proto &&
396 vf_vlan_info->vlan_proto != htons(ETH_P_8021Q))
d0e72011
JF		 397 print_string(PRINT_ANY,
398 "protocol",
399 ", vlan protocol %s",
400 ll_proto_n2a(
401 vf_vlan_info->vlan_proto,
56e9f0ab 402 b2, sizeof(b2)));
d0e72011 403 close_json_object();
56e9f0ab 404 }
d0e72011 405 close_json_array(PRINT_JSON, NULL);
56e9f0ab
MS		 406 } else {
407 struct ifla_vf_vlan *vf_vlan = RTA_DATA(vf[IFLA_VF_VLAN]);
408
409 if (vf_vlan->vlan)
d0e72011
JF		 410 print_int(PRINT_ANY,
411 "vlan",
412 ", vlan %d",
413 vf_vlan->vlan);
56e9f0ab 414 if (vf_vlan->qos)
d0e72011 415 print_int(PRINT_ANY, "qos", ", qos %d", vf_vlan->qos);
56e9f0ab 416 }
d0e72011 417
3fd86630 418 if (vf_tx_rate->rate)
d0e72011
JF		 419 print_int(PRINT_ANY,
420 "tx_rate",
421 ", tx rate %d (Mbps)",
422 vf_tx_rate->rate);
8c29ae7c
VK		 423
424 if (vf[IFLA_VF_RATE]) {
425 struct ifla_vf_rate *vf_rate = RTA_DATA(vf[IFLA_VF_RATE]);
d0e72011
JF		 426 int max_tx = vf_rate->max_tx_rate;
427 int min_tx = vf_rate->min_tx_rate;
428
429 if (is_json_context()) {
430 open_json_object("rate");
431 print_int(PRINT_JSON, "max_tx", NULL, max_tx);
432 print_int(PRINT_ANY, "min_tx", NULL, min_tx);
433 close_json_object();
434 } else {
435 if (max_tx)
436 fprintf(fp, ", max_tx_rate %dMbps", max_tx);
437 if (min_tx)
438 fprintf(fp, ", min_tx_rate %dMbps", min_tx);
439 }
8c29ae7c 440 }
d0e72011 441
ff9463e0
PS		 442 if (vf[IFLA_VF_SPOOFCHK]) {
443 struct ifla_vf_spoofchk *vf_spoofchk =
444 RTA_DATA(vf[IFLA_VF_SPOOFCHK]);
8c29ae7c 445
ff9463e0 446 if (vf_spoofchk->setting != -1)
d0e72011
JF		 447 print_bool(PRINT_ANY,
448 "spoofchk",
449 vf_spoofchk->setting ?
450 ", spoof checking on" : ", spoof checking off",
451 vf_spoofchk->setting);
7b8179c7 452 }
d0e72011 453
ff9463e0
PS		 454 if (vf[IFLA_VF_LINK_STATE]) {
455 struct ifla_vf_link_state *vf_linkstate =
456 RTA_DATA(vf[IFLA_VF_LINK_STATE]);
457
07fa9c15 458 if (vf_linkstate->link_state == IFLA_VF_LINK_STATE_AUTO)
d0e72011
JF		 459 print_string(PRINT_ANY,
460 "link_state",
461 ", link-state %s",
462 "auto");
07fa9c15 463 else if (vf_linkstate->link_state == IFLA_VF_LINK_STATE_ENABLE)
d0e72011
JF		 464 print_string(PRINT_ANY,
465 "link_state",
466 ", link-state %s",
467 "enable");
07fa9c15 468 else
d0e72011
JF		 469 print_string(PRINT_ANY,
470 "link_state",
471 ", link-state %s",
472 "disable");
07fa9c15 473 }
d0e72011 474
fe932278
PS		 475 if (vf[IFLA_VF_TRUST]) {
476 struct ifla_vf_trust *vf_trust = RTA_DATA(vf[IFLA_VF_TRUST]);
477
478 if (vf_trust->setting != -1)
d0e72011
JF		 479 print_bool(PRINT_ANY,
480 "trust",
481 vf_trust->setting ? ", trust on" : ", trust off",
482 vf_trust->setting);
fe932278 483 }
d0e72011 484
4fb4a10e
PS		 485 if (vf[IFLA_VF_RSS_QUERY_EN]) {
486 struct ifla_vf_rss_query_en *rss_query =
487 RTA_DATA(vf[IFLA_VF_RSS_QUERY_EN]);
488
489 if (rss_query->setting != -1)
d0e72011
JF		 490 print_bool(PRINT_ANY,
491 "query_rss_en",
492 rss_query->setting ? ", query_rss on"
493 : ", query_rss off",
494 rss_query->setting);
4fb4a10e 495 }
d0e72011 496
a1b99717
EBE		 497 if (vf[IFLA_VF_STATS] && show_stats)
498 print_vf_stats64(fp, vf[IFLA_VF_STATS]);
3fd86630
CW		 499}
500
837552b4 501void print_num(FILE *fp, unsigned int width, uint64_t count)
b68d9837 502{
1e264abc
SH		 503 const char *prefix = "kMGTPE";
504 const unsigned int base = use_iec ? 1024 : 1000;
b68d9837 505 uint64_t powi = 1;
50ec6650
CH		 506 uint16_t powj = 1;
507 uint8_t precision = 2;
1e264abc 508 char buf[64];
b68d9837 509
1e264abc 510 if (!human_readable || count < base) {
f4fe81d2 511 fprintf(fp, "%-*"PRIu64" ", width, count);
1e264abc 512 return;
b68d9837
CH		 513 }
514
1e264abc 515 /* increase value by a factor of 1000/1024 and print
468fa020
SH		 516 * if result is something a human can read
517 */
56f5daac 518 for (;;) {
1e264abc
SH		 519 powi *= base;
520 if (count / base < powi)
521 break;
b68d9837 522
1e264abc
SH		 523 if (!prefix[1])
524 break;
525 ++prefix;
b68d9837
CH		 526 }
527
50ec6650
CH		 528 /* try to guess a good number of digits for precision */
529 for (; precision > 0; precision--) {
530 powj *= 10;
531 if (count / powi < powj)
532 break;
533 }
534
535 snprintf(buf, sizeof(buf), "%.*f%c%s", precision,
d0e72011 536 (double) count / powi, *prefix, use_iec ? "i" : "");
1e264abc 537
f4fe81d2 538 fprintf(fp, "%-*s ", width, buf);
b68d9837
CH		 539}
540
a1b99717
EBE		 541static void print_vf_stats64(FILE *fp, struct rtattr *vfstats)
542{
30a8842c 543 struct rtattr *vf[IFLA_VF_STATS_MAX + 1];
a1b99717
EBE		 544
545 if (vfstats->rta_type != IFLA_VF_STATS) {
546 fprintf(stderr, "BUG: rta type is %d\n", vfstats->rta_type);
547 return;
548 }
549
550 parse_rtattr_nested(vf, IFLA_VF_MAX, vfstats);
551
d0e72011
JF		 552 if (is_json_context()) {
553 open_json_object("stats");
554
555 /* RX stats */
556 open_json_object("rx");
557 print_uint(PRINT_JSON, "bytes", NULL,
558 rta_getattr_u64(vf[IFLA_VF_STATS_RX_BYTES]));
559 print_uint(PRINT_JSON, "packets", NULL,
560 rta_getattr_u64(vf[IFLA_VF_STATS_RX_PACKETS]));
561 print_uint(PRINT_JSON, "multicast", NULL,
562 rta_getattr_u64(vf[IFLA_VF_STATS_MULTICAST]));
563 print_uint(PRINT_JSON, "broadcast", NULL,
564 rta_getattr_u64(vf[IFLA_VF_STATS_BROADCAST]));
565 close_json_object();
566
567 /* TX stats */
568 open_json_object("tx");
569 print_uint(PRINT_JSON, "tx_bytes", NULL,
570 rta_getattr_u64(vf[IFLA_VF_STATS_TX_BYTES]));
571 print_uint(PRINT_JSON, "tx_packets", NULL,
572 rta_getattr_u64(vf[IFLA_VF_STATS_TX_PACKETS]));
573 close_json_object();
574 close_json_object();
575 } else {
576 /* RX stats */
577 fprintf(fp, "%s", _SL_);
578 fprintf(fp, " RX: bytes packets mcast bcast %s", _SL_);
579 fprintf(fp, " ");
a1b99717 580
d0e72011
JF		 581 print_num(fp, 10, rta_getattr_u64(vf[IFLA_VF_STATS_RX_BYTES]));
582 print_num(fp, 8, rta_getattr_u64(vf[IFLA_VF_STATS_RX_PACKETS]));
583 print_num(fp, 7, rta_getattr_u64(vf[IFLA_VF_STATS_MULTICAST]));
584 print_num(fp, 7, rta_getattr_u64(vf[IFLA_VF_STATS_BROADCAST]));
a1b99717 585
d0e72011
JF		 586 /* TX stats */
587 fprintf(fp, "%s", _SL_);
588 fprintf(fp, " TX: bytes packets %s", _SL_);
589 fprintf(fp, " ");
a1b99717 590
d0e72011
JF		 591 print_num(fp, 10, rta_getattr_u64(vf[IFLA_VF_STATS_TX_BYTES]));
592 print_num(fp, 8, rta_getattr_u64(vf[IFLA_VF_STATS_TX_PACKETS]));
593 }
a1b99717
EBE		 594}
595
9a7bd544 596static void __print_link_stats(FILE *fp, struct rtattr *tb[])
4b726cb1 597{
9a7bd544
SP		 598 const struct rtattr *carrier_changes = tb[IFLA_CARRIER_CHANGES];
599 struct rtnl_link_stats64 _s, *s = &_s;
600 int ret;
d0e72011 601
9a7bd544
SP		 602 ret = get_rtnl_link_stats_rta(s, tb);
603 if (ret < 0)
604 return;
e6e6fb5c 605
d0e72011 606 if (is_json_context()) {
9a7bd544 607 open_json_object((ret == sizeof(*s)) ? "stats64" : "stats");
d0e72011
JF		 608
609 /* RX stats */
610 open_json_object("rx");
611 print_uint(PRINT_JSON, "bytes", NULL, s->rx_bytes);
612 print_uint(PRINT_JSON, "packets", NULL, s->rx_packets);
613 print_uint(PRINT_JSON, "errors", NULL, s->rx_errors);
614 print_uint(PRINT_JSON, "dropped", NULL, s->rx_dropped);
615 print_uint(PRINT_JSON, "over_errors", NULL, s->rx_over_errors);
616 print_uint(PRINT_JSON, "multicast", NULL, s->multicast);
617 if (s->rx_compressed)
fb7b8168
SP		 618 print_uint(PRINT_JSON,
619 "compressed", NULL, s->rx_compressed);
d0e72011
JF		 620
621 /* RX error stats */
622 if (show_stats > 1) {
623 print_uint(PRINT_JSON,
624 "length_errors",
625 NULL, s->rx_length_errors);
626 print_uint(PRINT_JSON,
627 "crc_errors",
628 NULL, s->rx_crc_errors);
629 print_uint(PRINT_JSON,
630 "frame_errors",
631 NULL, s->rx_frame_errors);
632 print_uint(PRINT_JSON,
633 "fifo_errors",
634 NULL, s->rx_fifo_errors);
635 print_uint(PRINT_JSON,
636 "missed_errors",
637 NULL, s->rx_missed_errors);
638 if (s->rx_nohandler)
fb7b8168
SP		 639 print_uint(PRINT_JSON,
640 "nohandler", NULL, s->rx_nohandler);
d0e72011
JF		 641 }
642 close_json_object();
643
644 /* TX stats */
645 open_json_object("tx");
646 print_uint(PRINT_JSON, "bytes", NULL, s->tx_bytes);
647 print_uint(PRINT_JSON, "packets", NULL, s->tx_packets);
648 print_uint(PRINT_JSON, "errors", NULL, s->tx_errors);
649 print_uint(PRINT_JSON, "dropped", NULL, s->tx_dropped);
650 print_uint(PRINT_JSON,
651 "carrier_errors",
652 NULL, s->tx_carrier_errors);
653 print_uint(PRINT_JSON, "collisions", NULL, s->collisions);
654 if (s->tx_compressed)
fb7b8168
SP		 655 print_uint(PRINT_JSON,
656 "compressed", NULL, s->tx_compressed);
d0e72011
JF		 657
658 /* TX error stats */
659 if (show_stats > 1) {
660 print_uint(PRINT_JSON,
661 "aborted_errors",
662 NULL, s->tx_aborted_errors);
663 print_uint(PRINT_JSON,
664 "fifo_errors",
665 NULL, s->tx_fifo_errors);
666 print_uint(PRINT_JSON,
667 "window_errors",
668 NULL, s->tx_window_errors);
669 print_uint(PRINT_JSON,
670 "heartbeat_errors",
671 NULL, s->tx_heartbeat_errors);
672 if (carrier_changes)
fb7b8168 673 print_uint(PRINT_JSON, "carrier_changes", NULL,
d0e72011
JF		 674 rta_getattr_u32(carrier_changes));
675 }
b68d9837 676
d0e72011
JF		 677 close_json_object();
678 close_json_object();
679 } else {
680 /* RX stats */
681 fprintf(fp, " RX: bytes packets errors dropped overrun mcast %s%s",
682 s->rx_compressed ? "compressed" : "", _SL_);
683
d0e72011
JF		 684 fprintf(fp, " ");
685 print_num(fp, 10, s->rx_bytes);
686 print_num(fp, 8, s->rx_packets);
687 print_num(fp, 7, s->rx_errors);
688 print_num(fp, 7, s->rx_dropped);
689 print_num(fp, 7, s->rx_over_errors);
690 print_num(fp, 7, s->multicast);
691 if (s->rx_compressed)
692 print_num(fp, 7, s->rx_compressed);
693
694 /* RX error stats */
695 if (show_stats > 1) {
696 fprintf(fp, "%s", _SL_);
697 fprintf(fp, " RX errors: length crc frame fifo missed%s%s",
698 s->rx_nohandler ? " nohandler" : "", _SL_);
699 fprintf(fp, " ");
700 print_num(fp, 8, s->rx_length_errors);
701 print_num(fp, 7, s->rx_crc_errors);
702 print_num(fp, 7, s->rx_frame_errors);
703 print_num(fp, 7, s->rx_fifo_errors);
704 print_num(fp, 7, s->rx_missed_errors);
705 if (s->rx_nohandler)
706 print_num(fp, 7, s->rx_nohandler);
707 }
4ec0ffde 708 fprintf(fp, "%s", _SL_);
1e264abc 709
d0e72011
JF		 710 /* TX stats */
711 fprintf(fp, " TX: bytes packets errors dropped carrier collsns %s%s",
712 s->tx_compressed ? "compressed" : "", _SL_);
713
714 fprintf(fp, " ");
715 print_num(fp, 10, s->tx_bytes);
716 print_num(fp, 8, s->tx_packets);
717 print_num(fp, 7, s->tx_errors);
718 print_num(fp, 7, s->tx_dropped);
719 print_num(fp, 7, s->tx_carrier_errors);
720 print_num(fp, 7, s->collisions);
721 if (s->tx_compressed)
722 print_num(fp, 7, s->tx_compressed);
723
724 /* TX error stats */
725 if (show_stats > 1) {
726 fprintf(fp, "%s", _SL_);
727 fprintf(fp, " TX errors: aborted fifo window heartbeat");
728 if (carrier_changes)
729 fprintf(fp, " transns");
730 fprintf(fp, "%s", _SL_);
731
732 fprintf(fp, " ");
733 print_num(fp, 8, s->tx_aborted_errors);
734 print_num(fp, 7, s->tx_fifo_errors);
735 print_num(fp, 7, s->tx_window_errors);
736 print_num(fp, 7, s->tx_heartbeat_errors);
737 if (carrier_changes)
738 print_num(fp, 7,
739 rta_getattr_u32(carrier_changes));
740 }
e6e6fb5c
SH		 741 }
742}
743
5d5cf1b4
JB		 744static void print_link_stats(FILE *fp, struct nlmsghdr *n)
745{
746 struct ifinfomsg *ifi = NLMSG_DATA(n);
56f5daac 747 struct rtattr *tb[IFLA_MAX+1];
5d5cf1b4
JB		 748
749 parse_rtattr(tb, IFLA_MAX, IFLA_RTA(ifi),
750 n->nlmsg_len - NLMSG_LENGTH(sizeof(*ifi)));
751 __print_link_stats(fp, tb);
752 fprintf(fp, "%s", _SL_);
753}
754
c956e9a9
SP		 755static int print_linkinfo_brief(FILE *fp, const char *name,
756 const struct ifinfomsg *ifi,
757 struct rtattr *tb[])
5d295bb8 758{
56f5daac 759 unsigned int m_flag = 0;
5d295bb8 760
4328b687 761 m_flag = print_name_and_link("%-16s ", name, tb);
5d295bb8
AG		 762
763 if (tb[IFLA_OPERSTATE])
764 print_operstate(fp, rta_getattr_u8(tb[IFLA_OPERSTATE]));
765
2cd0578f 766 if (filter.family == AF_PACKET) {
5d295bb8 767 SPRINT_BUF(b1);
d0e72011 768
5d295bb8 769 if (tb[IFLA_ADDRESS]) {
d0e72011
JF		 770 print_color_string(PRINT_ANY, COLOR_MAC,
771 "address", "%s ",
772 ll_addr_n2a(
773 RTA_DATA(tb[IFLA_ADDRESS]),
774 RTA_PAYLOAD(tb[IFLA_ADDRESS]),
775 ifi->ifi_type,
776 b1, sizeof(b1)));
5d295bb8
AG		 777 }
778 }
779
2cd0578f 780 if (filter.family == AF_PACKET) {
5d295bb8 781 print_link_flags(fp, ifi->ifi_flags, m_flag);
d0e72011
JF		 782 print_string(PRINT_FP, NULL, "%s", "\n");
783 }
2cd0578f 784
5d295bb8
AG		 785 fflush(fp);
786 return 0;
787}
788
735a52ce
VY		 789static const char *link_events[] = {
790 [IFLA_EVENT_NONE] = "NONE",
791 [IFLA_EVENT_REBOOT] = "REBOOT",
792 [IFLA_EVENT_FEATURES] = "FEATURE CHANGE",
793 [IFLA_EVENT_BONDING_FAILOVER] = "BONDING FAILOVER",
794 [IFLA_EVENT_NOTIFY_PEERS] = "NOTIFY PEERS",
795 [IFLA_EVENT_IGMP_RESEND] = "RESEND IGMP",
796 [IFLA_EVENT_BONDING_OPTIONS] = "BONDING OPTION"
797};
798
799static void print_link_event(FILE *f, __u32 event)
800{
801 if (event >= ARRAY_SIZE(link_events))
d0e72011 802 print_int(PRINT_ANY, "event", "event %d ", event);
735a52ce
VY		 803 else {
804 if (event)
d0e72011
JF		 805 print_string(PRINT_ANY,
806 "event", "event %s ",
807 link_events[event]);
735a52ce
VY		 808 }
809}
810
ae665a52 811int print_linkinfo(const struct sockaddr_nl *who,
50772dc5 812 struct nlmsghdr *n, void *arg)
aba5acdf 813{
56f5daac 814 FILE *fp = (FILE *)arg;
aba5acdf 815 struct ifinfomsg *ifi = NLMSG_DATA(n);
56f5daac 816 struct rtattr *tb[IFLA_MAX+1];
aba5acdf 817 int len = n->nlmsg_len;
95168230 818 const char *name;
56f5daac 819 unsigned int m_flag = 0;
c956e9a9 820 SPRINT_BUF(b1);
aba5acdf
SH		 821
822 if (n->nlmsg_type != RTM_NEWLINK && n->nlmsg_type != RTM_DELLINK)
823 return 0;
824
825 len -= NLMSG_LENGTH(sizeof(*ifi));
826 if (len < 0)
827 return -1;
828
829 if (filter.ifindex && ifi->ifi_index != filter.ifindex)
95168230 830 return -1;
aba5acdf 831 if (filter.up && !(ifi->ifi_flags&IFF_UP))
95168230 832 return -1;
aba5acdf 833
aba5acdf 834 parse_rtattr(tb, IFLA_MAX, IFLA_RTA(ifi), len);
fcac9665
SP		 835
836 name = get_ifname_rta(ifi->ifi_index, tb[IFLA_IFNAME]);
837 if (!name)
838 return -1;
468fa020 839
aba5acdf
SH		 840 if (filter.label &&
841 (!filter.family || filter.family == AF_PACKET) &&
95168230
SP		 842 fnmatch(filter.label, name, 0))
843 return -1;
aba5acdf 844
f960c92a 845 if (tb[IFLA_GROUP]) {
9f1370c0 846 int group = rta_getattr_u32(tb[IFLA_GROUP]);
56f5daac 847
c4fdf75d 848 if (filter.group != -1 && group != filter.group)
f960c92a
VD		 849 return -1;
850 }
851
1b944148 852 if (tb[IFLA_MASTER]) {
9f1370c0 853 int master = rta_getattr_u32(tb[IFLA_MASTER]);
56f5daac 854
1b944148
VK		 855 if (filter.master > 0 && master != filter.master)
856 return -1;
56f5daac 857 } else if (filter.master > 0)
1b944148
VK		 858 return -1;
859
e0513807
PS		 860 if (filter.kind && match_link_kind(tb, filter.kind, 0))
861 return -1;
712249d8 862
e0513807
PS		 863 if (filter.slave_kind && match_link_kind(tb, filter.slave_kind, 1))
864 return -1;
712249d8 865
aba5acdf 866 if (n->nlmsg_type == RTM_DELLINK)
d0e72011
JF		 867 print_bool(PRINT_ANY, "deleted", "Deleted ", true);
868
c956e9a9
SP		 869 if (brief)
870 return print_linkinfo_brief(fp, name, ifi, tb);
871
d0e72011 872 print_int(PRINT_ANY, "ifindex", "%d: ", ifi->ifi_index);
56f5daac 873
4328b687 874 m_flag = print_name_and_link("%s: ", name, tb);
aba5acdf
SH		 875 print_link_flags(fp, ifi->ifi_flags, m_flag);
876
877 if (tb[IFLA_MTU])
d0e72011
JF		 878 print_int(PRINT_ANY,
879 "mtu", "mtu %u ",
880 rta_getattr_u32(tb[IFLA_MTU]));
c7272ca7 881 if (tb[IFLA_XDP])
a0b5b7cf 882 xdp_dump(fp, tb[IFLA_XDP], do_link, false);
aba5acdf 883 if (tb[IFLA_QDISC])
d0e72011
JF		 884 print_string(PRINT_ANY,
885 "qdisc",
886 "qdisc %s ",
887 rta_getattr_str(tb[IFLA_QDISC]));
aba5acdf 888 if (tb[IFLA_MASTER]) {
d92cc2d0 889 int master = rta_getattr_u32(tb[IFLA_MASTER]);
d0e72011 890
b68b361b
SH		 891 print_string(PRINT_ANY,
892 "master", "master %s ",
893 ll_index_to_name(master));
aba5acdf 894 }
82499282 895
3d866ba2 896 if (tb[IFLA_OPERSTATE])
ff24746c 897 print_operstate(fp, rta_getattr_u8(tb[IFLA_OPERSTATE]));
82499282
SH		 898
899 if (do_link && tb[IFLA_LINKMODE])
900 print_linkmode(fp, tb[IFLA_LINKMODE]);
901
c4fdf75d 902 if (tb[IFLA_GROUP]) {
9f1370c0 903 int group = rta_getattr_u32(tb[IFLA_GROUP]);
56f5daac 904
d0e72011
JF		 905 print_string(PRINT_ANY,
906 "group",
907 "group %s ",
908 rtnl_group_n2a(group, b1, sizeof(b1)));
c4fdf75d
ST		 909 }
910
aba5acdf 911 if (filter.showqueue)
f78e316f 912 print_queuelen(fp, tb);
ae665a52 913
735a52ce
VY		 914 if (tb[IFLA_EVENT])
915 print_link_event(fp, rta_getattr_u32(tb[IFLA_EVENT]));
916
2ec28933 917 if (!filter.family || filter.family == AF_PACKET || show_details) {
d0e72011
JF		 918 print_string(PRINT_FP, NULL, "%s", _SL_);
919 print_string(PRINT_ANY,
920 "link_type",
921 " link/%s ",
922 ll_type_n2a(ifi->ifi_type, b1, sizeof(b1)));
aba5acdf 923 if (tb[IFLA_ADDRESS]) {
d0e72011
JF		 924 print_color_string(PRINT_ANY,
925 COLOR_MAC,
926 "address",
927 "%s",
928 ll_addr_n2a(RTA_DATA(tb[IFLA_ADDRESS]),
929 RTA_PAYLOAD(tb[IFLA_ADDRESS]),
930 ifi->ifi_type,
931 b1, sizeof(b1)));
aba5acdf
SH		 932 }
933 if (tb[IFLA_BROADCAST]) {
d0e72011
JF		 934 if (ifi->ifi_flags&IFF_POINTOPOINT) {
935 print_string(PRINT_FP, NULL, " peer ", NULL);
936 print_bool(PRINT_JSON,
937 "link_pointtopoint", NULL, true);
938 } else {
939 print_string(PRINT_FP, NULL, " brd ", NULL);
940 }
941 print_color_string(PRINT_ANY,
942 COLOR_MAC,
943 "broadcast",
944 "%s",
945 ll_addr_n2a(RTA_DATA(tb[IFLA_BROADCAST]),
946 RTA_PAYLOAD(tb[IFLA_BROADCAST]),
947 ifi->ifi_type,
948 b1, sizeof(b1)));
aba5acdf
SH		 949 }
950 }
1d934839 951
ccdcbf35 952 if (tb[IFLA_LINK_NETNSID]) {
9f1370c0 953 int id = rta_getattr_u32(tb[IFLA_LINK_NETNSID]);
ccdcbf35 954
d0e72011
JF		 955 if (is_json_context()) {
956 print_int(PRINT_JSON, "link_netnsid", NULL, id);
957 } else {
958 if (id >= 0)
959 print_int(PRINT_FP, NULL,
960 " link-netnsid %d", id);
961 else
962 print_string(PRINT_FP, NULL,
963 " link-netnsid %s", "unknown");
964 }
ccdcbf35
ND		 965 }
966
18864827
AK		 967 if (tb[IFLA_PROTO_DOWN]) {
968 if (rta_getattr_u8(tb[IFLA_PROTO_DOWN]))
d0e72011
JF		 969 print_bool(PRINT_ANY,
970 "proto_down", " protodown on ", true);
18864827
AK		 971 }
972
11522e7d
SH		 973 if (show_details) {
974 if (tb[IFLA_PROMISCUITY])
d0e72011
JF		 975 print_uint(PRINT_ANY,
976 "promiscuity",
977 " promiscuity %u ",
978 rta_getattr_u32(tb[IFLA_PROMISCUITY]));
11522e7d
SH		 979
980 if (tb[IFLA_LINKINFO])
981 print_linktype(fp, tb[IFLA_LINKINFO]);
982
983 if (do_link && tb[IFLA_AF_SPEC])
984 print_af_spec(fp, tb[IFLA_AF_SPEC]);
985
986 if (tb[IFLA_NUM_TX_QUEUES])
d0e72011
JF		 987 print_uint(PRINT_ANY,
988 "num_tx_queues",
989 "numtxqueues %u ",
990 rta_getattr_u32(tb[IFLA_NUM_TX_QUEUES]));
ede6a3ea 991
11522e7d 992 if (tb[IFLA_NUM_RX_QUEUES])
d0e72011
JF		 993 print_uint(PRINT_ANY,
994 "num_rx_queues",
995 "numrxqueues %u ",
996 rta_getattr_u32(tb[IFLA_NUM_RX_QUEUES]));
1cb6a110 997
1acd208c 998 if (tb[IFLA_GSO_MAX_SIZE])
d0e72011
JF		 999 print_uint(PRINT_ANY,
1000 "gso_max_size",
1001 "gso_max_size %u ",
1002 rta_getattr_u32(tb[IFLA_GSO_MAX_SIZE]));
1acd208c
ED		 1003
1004 if (tb[IFLA_GSO_MAX_SEGS])
d0e72011
JF		 1005 print_uint(PRINT_ANY,
1006 "gso_max_segs",
1007 "gso_max_segs %u ",
1008 rta_getattr_u32(tb[IFLA_GSO_MAX_SEGS]));
1acd208c 1009
11522e7d 1010 if (tb[IFLA_PHYS_PORT_NAME])
d0e72011
JF		 1011 print_string(PRINT_ANY,
1012 "phys_port_name",
1013 "portname %s ",
1014 rta_getattr_str(tb[IFLA_PHYS_PORT_NAME]));
ee0067a9 1015
11522e7d 1016 if (tb[IFLA_PHYS_PORT_ID]) {
d0e72011
JF		 1017 print_string(PRINT_ANY,
1018 "phys_port_id",
1019 "portid %s ",
1020 hexstring_n2a(
1021 RTA_DATA(tb[IFLA_PHYS_PORT_ID]),
1022 RTA_PAYLOAD(tb[IFLA_PHYS_PORT_ID]),
1023 b1, sizeof(b1)));
11522e7d
SH		 1024 }
1025
1026 if (tb[IFLA_PHYS_SWITCH_ID]) {
d0e72011
JF		 1027 print_string(PRINT_ANY,
1028 "phys_switch_id",
1029 "switchid %s ",
1030 hexstring_n2a(RTA_DATA(tb[IFLA_PHYS_SWITCH_ID]),
1031 RTA_PAYLOAD(tb[IFLA_PHYS_SWITCH_ID]),
1032 b1, sizeof(b1)));
11522e7d
SH		 1033 }
1034 }
f1c656e5 1035
2ec28933 1036 if ((do_link || show_details) && tb[IFLA_IFALIAS]) {
d0e72011
JF		 1037 print_string(PRINT_FP, NULL, "%s ", _SL_);
1038 print_string(PRINT_ANY,
1039 "ifalias",
1040 "alias %s",
1041 rta_getattr_str(tb[IFLA_IFALIAS]));
263c894f 1042 }
ace9c961 1043
a0b5b7cf
DB		 1044 if ((do_link || show_details) && tb[IFLA_XDP])
1045 xdp_dump(fp, tb[IFLA_XDP], true, true);
1046
e6e6fb5c 1047 if (do_link && show_stats) {
d0e72011 1048 print_string(PRINT_FP, NULL, "%s", _SL_);
5d5cf1b4 1049 __print_link_stats(fp, tb);
ae7229d5 1050 }
e6e6fb5c 1051
2ec28933 1052 if ((do_link || show_details) && tb[IFLA_VFINFO_LIST] && tb[IFLA_NUM_VF]) {
3fd86630
CW		 1053 struct rtattr *i, *vflist = tb[IFLA_VFINFO_LIST];
1054 int rem = RTA_PAYLOAD(vflist);
56f5daac 1055
d0e72011
JF		 1056 open_json_array(PRINT_JSON, "vfinfo_list");
1057 for (i = RTA_DATA(vflist); RTA_OK(i, rem); i = RTA_NEXT(i, rem)) {
1058 open_json_object(NULL);
3fd86630 1059 print_vfinfo(fp, i);
d0e72011
JF		 1060 close_json_object();
1061 }
1062 close_json_array(PRINT_JSON, NULL);
aba5acdf 1063 }
3fd86630 1064
c956e9a9 1065 print_string(PRINT_FP, NULL, "%s", "\n");
aba5acdf 1066 fflush(fp);
5d5cf1b4 1067 return 1;
aba5acdf
SH		 1068}
1069
1070static int flush_update(void)
1071{
e149d4e8
NH		 1072
1073 /*
1074 * Note that the kernel may delete multiple addresses for one
1075 * delete request (e.g. if ipv4 address promotion is disabled).
1076 * Since a flush operation is really a series of delete requests
1077 * its possible that we may request an address delete that has
1078 * already been done by the kernel. Therefore, ignore EADDRNOTAVAIL
1079 * errors returned from a flush request
1080 */
1081 if ((rtnl_send_check(&rth, filter.flushb, filter.flushp) < 0) &&
1082 (errno != EADDRNOTAVAIL)) {
1fb0a998 1083 perror("Failed to send flush request");
aba5acdf
SH		 1084 return -1;
1085 }
1086 filter.flushp = 0;
1087 return 0;
1088}
1089
35546df7
MN		 1090static int set_lifetime(unsigned int *lifetime, char *argv)
1091{
1092 if (strcmp(argv, "forever") == 0)
141bb606 1093 *lifetime = INFINITY_LIFE_TIME;
35546df7
MN		 1094 else if (get_u32(lifetime, argv, 0))
1095 return -1;
1096
1097 return 0;
1098}
1099
37c9b94e
JP		 1100static unsigned int get_ifa_flags(struct ifaddrmsg *ifa,
1101 struct rtattr *ifa_flags_attr)
1102{
1103 return ifa_flags_attr ? rta_getattr_u32(ifa_flags_attr) :
d0e72011 1104 ifa->ifa_flags;
37c9b94e
JP		 1105}
1106
f73ac674
SH		 1107/* Mapping from argument to address flag mask */
1108struct {
1109 const char *name;
1110 unsigned long value;
1111} ifa_flag_names[] = {
1112 { "secondary", IFA_F_SECONDARY },
1113 { "temporary", IFA_F_SECONDARY },
1114 { "nodad", IFA_F_NODAD },
1115 { "optimistic", IFA_F_OPTIMISTIC },
1116 { "dadfailed", IFA_F_DADFAILED },
1117 { "home", IFA_F_HOMEADDRESS },
1118 { "deprecated", IFA_F_DEPRECATED },
1119 { "tentative", IFA_F_TENTATIVE },
1120 { "permanent", IFA_F_PERMANENT },
1121 { "mngtmpaddr", IFA_F_MANAGETEMPADDR },
1122 { "noprefixroute", IFA_F_NOPREFIXROUTE },
1123 { "autojoin", IFA_F_MCAUTOJOIN },
1124 { "stable-privacy", IFA_F_STABLE_PRIVACY },
1125};
1126
1127static void print_ifa_flags(FILE *fp, const struct ifaddrmsg *ifa,
1128 unsigned int flags)
1129{
1130 unsigned int i;
1131
1132 for (i = 0; i < ARRAY_SIZE(ifa_flag_names); i++) {
1133 unsigned long mask = ifa_flag_names[i].value;
1134
1135 if (mask == IFA_F_PERMANENT) {
1136 if (!(flags & mask))
d0e72011
JF		 1137 print_bool(PRINT_ANY,
1138 "dynamic", "dynamic ", true);
f73ac674
SH		 1139 } else if (flags & mask) {
1140 if (mask == IFA_F_SECONDARY &&
d0e72011
JF		 1141 ifa->ifa_family == AF_INET6) {
1142 print_bool(PRINT_ANY,
1143 "temporary", "temporary ", true);
1144 } else {
1145 print_string(PRINT_FP, NULL,
1146 "%s ", ifa_flag_names[i].name);
1147 print_bool(PRINT_JSON,
1148 ifa_flag_names[i].name, NULL, true);
1149 }
f73ac674
SH		 1150 }
1151
1152 flags &= ~mask;
1153 }
1154
d0e72011
JF		 1155 if (flags) {
1156 if (is_json_context()) {
1157 SPRINT_BUF(b1);
1158
1159 snprintf(b1, sizeof(b1), "%02x", flags);
1160 print_string(PRINT_JSON, "ifa_flags", NULL, b1);
1161 } else {
1162 fprintf(fp, "flags %02x ", flags);
1163 }
1164 }
f73ac674
SH		 1165
1166}
1167
1168static int get_filter(const char *arg)
1169{
1170 unsigned int i;
1171
1172 /* Special cases */
1173 if (strcmp(arg, "dynamic") == 0) {
1174 filter.flags &= ~IFA_F_PERMANENT;
1175 filter.flagmask |= IFA_F_PERMANENT;
1176 } else if (strcmp(arg, "primary") == 0) {
1177 filter.flags &= ~IFA_F_SECONDARY;
1178 filter.flagmask |= IFA_F_SECONDARY;
1179 } else if (*arg == '-') {
1180 for (i = 0; i < ARRAY_SIZE(ifa_flag_names); i++) {
1181 if (strcmp(arg + 1, ifa_flag_names[i].name))
1182 continue;
1183
1184 filter.flags &= ifa_flag_names[i].value;
1185 filter.flagmask |= ifa_flag_names[i].value;
1186 return 0;
1187 }
1188
1189 return -1;
1190 } else {
1191 for (i = 0; i < ARRAY_SIZE(ifa_flag_names); i++) {
1192 if (strcmp(arg, ifa_flag_names[i].name))
1193 continue;
1194 filter.flags |= ifa_flag_names[i].value;
1195 filter.flagmask |= ifa_flag_names[i].value;
1196 return 0;
1197 }
1198 return -1;
1199 }
1200
1201 return 0;
1202}
1203
17df3d60
SP		 1204static int ifa_label_match_rta(int ifindex, const struct rtattr *rta)
1205{
1206 const char *label;
17df3d60
SP		 1207
1208 if (!filter.label)
1209 return 0;
1210
1211 if (rta)
1212 label = RTA_DATA(rta);
1213 else
d92cc2d0 1214 label = ll_index_to_name(ifindex);
17df3d60
SP		 1215
1216 return fnmatch(filter.label, label, 0);
1217}
1218
ae665a52 1219int print_addrinfo(const struct sockaddr_nl *who, struct nlmsghdr *n,
6dc9f016 1220 void *arg)
aba5acdf 1221{
4b726cb1 1222 FILE *fp = arg;
aba5acdf
SH		 1223 struct ifaddrmsg *ifa = NLMSG_DATA(n);
1224 int len = n->nlmsg_len;
3bc1c4f2 1225 unsigned int ifa_flags;
56f5daac 1226 struct rtattr *rta_tb[IFA_MAX+1];
56f5daac 1227
aba5acdf
SH		 1228 SPRINT_BUF(b1);
1229
1230 if (n->nlmsg_type != RTM_NEWADDR && n->nlmsg_type != RTM_DELADDR)
1231 return 0;
1232 len -= NLMSG_LENGTH(sizeof(*ifa));
1233 if (len < 0) {
1234 fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
1235 return -1;
1236 }
1237
1238 if (filter.flushb && n->nlmsg_type != RTM_NEWADDR)
1239 return 0;
1240
4b726cb1
SH		 1241 parse_rtattr(rta_tb, IFA_MAX, IFA_RTA(ifa),
1242 n->nlmsg_len - NLMSG_LENGTH(sizeof(*ifa)));
aba5acdf 1243
37c9b94e
JP		 1244 ifa_flags = get_ifa_flags(ifa, rta_tb[IFA_FLAGS]);
1245
aba5acdf
SH		 1246 if (!rta_tb[IFA_LOCAL])
1247 rta_tb[IFA_LOCAL] = rta_tb[IFA_ADDRESS];
1248 if (!rta_tb[IFA_ADDRESS])
1249 rta_tb[IFA_ADDRESS] = rta_tb[IFA_LOCAL];
1250
1251 if (filter.ifindex && filter.ifindex != ifa->ifa_index)
1252 return 0;
1253 if ((filter.scope^ifa->ifa_scope)&filter.scopemask)
1254 return 0;
37c9b94e 1255 if ((filter.flags ^ ifa_flags) & filter.flagmask)
aba5acdf 1256 return 0;
aba5acdf 1257
3eb1731b 1258 if (filter.family && filter.family != ifa->ifa_family)
1259 return 0;
1260
17df3d60
SP		 1261 if (ifa_label_match_rta(ifa->ifa_index, rta_tb[IFA_LABEL]))
1262 return 0;
1263
c4de9ada
SP		 1264 if (inet_addr_match_rta(&filter.pfx, rta_tb[IFA_LOCAL]))
1265 return 0;
1266
aba5acdf
SH		 1267 if (filter.flushb) {
1268 struct nlmsghdr *fn;
56f5daac 1269
aba5acdf
SH		 1270 if (NLMSG_ALIGN(filter.flushp) + n->nlmsg_len > filter.flushe) {
1271 if (flush_update())
1272 return -1;
1273 }
56f5daac 1274 fn = (struct nlmsghdr *)(filter.flushb + NLMSG_ALIGN(filter.flushp));
aba5acdf
SH		 1275 memcpy(fn, n, n->nlmsg_len);
1276 fn->nlmsg_type = RTM_DELADDR;
1277 fn->nlmsg_flags = NLM_F_REQUEST;
351efcde 1278 fn->nlmsg_seq = ++rth.seq;
56f5daac 1279 filter.flushp = (((char *)fn) + n->nlmsg_len) - filter.flushb;
aba5acdf
SH		 1280 filter.flushed++;
1281 if (show_stats < 2)
1282 return 0;
1283 }
1284
1285 if (n->nlmsg_type == RTM_DELADDR)
d0e72011 1286 print_bool(PRINT_ANY, "deleted", "Deleted ", true);
aba5acdf 1287
5d295bb8 1288 if (!brief) {
a3e0229e
SP		 1289 const char *name;
1290
d0e72011
JF		 1291 if (filter.oneline || filter.flushb) {
1292 const char *dev = ll_index_to_name(ifa->ifa_index);
1293
1294 if (is_json_context()) {
1295 print_int(PRINT_JSON,
1296 "index", NULL, ifa->ifa_index);
1297 print_string(PRINT_JSON, "dev", NULL, dev);
1298 } else {
1299 fprintf(fp, "%u: %s", ifa->ifa_index, dev);
1300 }
1301 }
1302
a3e0229e
SP		 1303 name = family_name(ifa->ifa_family);
1304 if (*name != '?') {
1305 print_string(PRINT_ANY, "family", " %s ", name);
1306 } else {
1307 print_int(PRINT_ANY, "family_index", " family %d ",
1308 ifa->ifa_family);
1309 }
5d295bb8 1310 }
aba5acdf
SH		 1311
1312 if (rta_tb[IFA_LOCAL]) {
d0e72011
JF		 1313 print_color_string(PRINT_ANY,
1314 ifa_family_color(ifa->ifa_family),
1315 "local", "%s",
1316 format_host_rta(ifa->ifa_family,
1317 rta_tb[IFA_LOCAL]));
ff9d8f37
PS		 1318 if (rta_tb[IFA_ADDRESS] &&
1319 memcmp(RTA_DATA(rta_tb[IFA_ADDRESS]),
468fa020
SH		 1320 RTA_DATA(rta_tb[IFA_LOCAL]),
1321 ifa->ifa_family == AF_INET ? 4 : 16)) {
d0e72011
JF		 1322 print_string(PRINT_FP, NULL, " %s ", "peer");
1323 print_color_string(PRINT_ANY,
1324 ifa_family_color(ifa->ifa_family),
1325 "address",
1326 "%s",
1327 format_host_rta(ifa->ifa_family,
1328 rta_tb[IFA_ADDRESS]));
aba5acdf 1329 }
6335c5ff 1330 print_int(PRINT_ANY, "prefixlen", "/%d ", ifa->ifa_prefixlen);
aba5acdf
SH		 1331 }
1332
5d295bb8
AG		 1333 if (brief)
1334 goto brief_exit;
1335
aba5acdf 1336 if (rta_tb[IFA_BROADCAST]) {
d0e72011
JF		 1337 print_string(PRINT_FP, NULL, "%s ", "brd");
1338 print_color_string(PRINT_ANY,
1339 ifa_family_color(ifa->ifa_family),
1340 "broadcast",
1341 "%s ",
1342 format_host_rta(ifa->ifa_family,
1343 rta_tb[IFA_BROADCAST]));
aba5acdf 1344 }
d0e72011 1345
aba5acdf 1346 if (rta_tb[IFA_ANYCAST]) {
d0e72011
JF		 1347 print_string(PRINT_FP, NULL, "%s ", "any");
1348 print_color_string(PRINT_ANY,
1349 ifa_family_color(ifa->ifa_family),
1350 "anycast",
1351 "%s ",
1352 format_host_rta(ifa->ifa_family,
1353 rta_tb[IFA_ANYCAST]));
aba5acdf 1354 }
d0e72011
JF		 1355
1356 print_string(PRINT_ANY,
1357 "scope",
1358 "scope %s ",
1359 rtnl_rtscope_n2a(ifa->ifa_scope, b1, sizeof(b1)));
f73ac674
SH		 1360
1361 print_ifa_flags(fp, ifa, ifa_flags);
1362
aba5acdf 1363 if (rta_tb[IFA_LABEL])
d0e72011
JF		 1364 print_string(PRINT_ANY,
1365 "label",
1366 "%s",
1367 rta_getattr_str(rta_tb[IFA_LABEL]));
1368
aba5acdf
SH		 1369 if (rta_tb[IFA_CACHEINFO]) {
1370 struct ifa_cacheinfo *ci = RTA_DATA(rta_tb[IFA_CACHEINFO]);
56f5daac 1371
d0e72011
JF		 1372 print_string(PRINT_FP, NULL, "%s", _SL_);
1373 print_string(PRINT_FP, NULL, " valid_lft ", NULL);
1374
1375 if (ci->ifa_valid == INFINITY_LIFE_TIME) {
1376 print_uint(PRINT_JSON,
1377 "valid_life_time",
1378 NULL, INFINITY_LIFE_TIME);
1379 print_string(PRINT_FP, NULL, "%s", "forever");
1380 } else {
1381 print_uint(PRINT_ANY,
1382 "valid_life_time", "%usec", ci->ifa_valid);
1383 }
1384
1385 print_string(PRINT_FP, NULL, " preferred_lft ", NULL);
1386 if (ci->ifa_prefered == INFINITY_LIFE_TIME) {
1387 print_uint(PRINT_JSON,
1388 "preferred_life_time",
1389 NULL, INFINITY_LIFE_TIME);
1390 print_string(PRINT_FP, NULL, "%s", "forever");
1391 } else {
f73ac674 1392 if (ifa_flags & IFA_F_DEPRECATED)
d0e72011
JF		 1393 print_int(PRINT_ANY,
1394 "preferred_life_time",
1395 "%dsec",
1396 ci->ifa_prefered);
037d950b 1397 else
d0e72011
JF		 1398 print_uint(PRINT_ANY,
1399 "preferred_life_time",
1400 "%usec",
1401 ci->ifa_prefered);
037d950b 1402 }
aba5acdf 1403 }
d0e72011 1404 print_string(PRINT_FP, NULL, "%s", "\n");
5d295bb8 1405brief_exit:
aba5acdf
SH		 1406 fflush(fp);
1407 return 0;
1408}
1409
5e5055bc
AH		 1410static int print_selected_addrinfo(struct ifinfomsg *ifi,
1411 struct nlmsg_list *ainfo, FILE *fp)
aba5acdf 1412{
d0e72011 1413 open_json_array(PRINT_JSON, "addr_info");
56f5daac 1414 for ( ; ainfo ; ainfo = ainfo->next) {
aba5acdf
SH		 1415 struct nlmsghdr *n = &ainfo->h;
1416 struct ifaddrmsg *ifa = NLMSG_DATA(n);
1417
1418 if (n->nlmsg_type != RTM_NEWADDR)
1419 continue;
1420
6cf2609d 1421 if (n->nlmsg_len < NLMSG_LENGTH(sizeof(*ifa)))
aba5acdf
SH		 1422 return -1;
1423
5e5055bc 1424 if (ifa->ifa_index != ifi->ifi_index ||
aba5acdf
SH		 1425 (filter.family && filter.family != ifa->ifa_family))
1426 continue;
1427
5e5055bc
AH		 1428 if (filter.up && !(ifi->ifi_flags&IFF_UP))
1429 continue;
1430
d0e72011 1431 open_json_object(NULL);
aba5acdf 1432 print_addrinfo(NULL, n, fp);
d0e72011 1433 close_json_object();
aba5acdf 1434 }
d0e72011
JF		 1435 close_json_array(PRINT_JSON, NULL);
1436
5d295bb8 1437 if (brief) {
d0e72011 1438 print_string(PRINT_FP, NULL, "%s", "\n");
5d295bb8
AG		 1439 fflush(fp);
1440 }
aba5acdf
SH		 1441 return 0;
1442}
1443
1444
ae665a52 1445static int store_nlmsg(const struct sockaddr_nl *who, struct nlmsghdr *n,
6dc9f016 1446 void *arg)
aba5acdf 1447{
62e2e540 1448 struct nlmsg_chain *lchain = (struct nlmsg_chain *)arg;
aba5acdf 1449 struct nlmsg_list *h;
aba5acdf 1450
56f5daac 1451 h = malloc(n->nlmsg_len+sizeof(void *));
aba5acdf
SH		 1452 if (h == NULL)
1453 return -1;
1454
1455 memcpy(&h->h, n, n->nlmsg_len);
1456 h->next = NULL;
1457
62e2e540
ED		 1458 if (lchain->tail)
1459 lchain->tail->next = h;
1460 else
1461 lchain->head = h;
1462 lchain->tail = h;
aba5acdf
SH		 1463
1464 ll_remember_index(who, n, NULL);
1465 return 0;
1466}
1467
81824ac2
PE		 1468static __u32 ipadd_dump_magic = 0x47361222;
1469
1470static int ipadd_save_prep(void)
1471{
1472 int ret;
1473
1474 if (isatty(STDOUT_FILENO)) {
14645ec2 1475 fprintf(stderr, "Not sending a binary stream to stdout\n");
81824ac2
PE		 1476 return -1;
1477 }
1478
1479 ret = write(STDOUT_FILENO, &ipadd_dump_magic, sizeof(ipadd_dump_magic));
1480 if (ret != sizeof(ipadd_dump_magic)) {
1481 fprintf(stderr, "Can't write magic to dump file\n");
1482 return -1;
1483 }
1484
1485 return 0;
1486}
1487
1488static int ipadd_dump_check_magic(void)
1489{
1490 int ret;
1491 __u32 magic = 0;
1492
1493 if (isatty(STDIN_FILENO)) {
4e972d5e 1494 fprintf(stderr, "Can't restore address dump from a terminal\n");
81824ac2
PE		 1495 return -1;
1496 }
1497
1498 ret = fread(&magic, sizeof(magic), 1, stdin);
1499 if (magic != ipadd_dump_magic) {
1500 fprintf(stderr, "Magic mismatch (%d elems, %x magic)\n", ret, magic);
1501 return -1;
1502 }
1503
1504 return 0;
1505}
1506
1507static int save_nlmsg(const struct sockaddr_nl *who, struct nlmsghdr *n,
1508 void *arg)
1509{
1510 int ret;
1511
1512 ret = write(STDOUT_FILENO, n, n->nlmsg_len);
1513 if ((ret > 0) && (ret != n->nlmsg_len)) {
1514 fprintf(stderr, "Short write while saving nlmsg\n");
1515 ret = -EIO;
1516 }
1517
1518 return ret == n->nlmsg_len ? 0 : ret;
1519}
1520
0628cddd
ND		 1521static int show_handler(const struct sockaddr_nl *nl,
1522 struct rtnl_ctrl_data *ctrl,
1523 struct nlmsghdr *n, void *arg)
81824ac2
PE		 1524{
1525 struct ifaddrmsg *ifa = NLMSG_DATA(n);
1526
1cfcf62c
PS		 1527 open_json_object(NULL);
1528 print_int(PRINT_ANY, "index", "if%d:\n", ifa->ifa_index);
81824ac2 1529 print_addrinfo(NULL, n, stdout);
1cfcf62c 1530 close_json_object();
81824ac2
PE		 1531 return 0;
1532}
1533
1534static int ipaddr_showdump(void)
1535{
1cfcf62c
PS		 1536 int err;
1537
81824ac2
PE		 1538 if (ipadd_dump_check_magic())
1539 exit(-1);
1540
429f314e 1541 new_json_obj(json);
1cfcf62c
PS		 1542 open_json_object(NULL);
1543 open_json_array(PRINT_JSON, "addr_info");
1544
1545 err = rtnl_from_file(stdin, &show_handler, NULL);
1546
1547 close_json_array(PRINT_JSON, NULL);
1548 close_json_object();
1549 delete_json_obj();
1550
1551 exit(err);
81824ac2
PE		 1552}
1553
0628cddd
ND		 1554static int restore_handler(const struct sockaddr_nl *nl,
1555 struct rtnl_ctrl_data *ctrl,
1556 struct nlmsghdr *n, void *arg)
81824ac2
PE		 1557{
1558 int ret;
1559
1560 n->nlmsg_flags |= NLM_F_REQUEST | NLM_F_CREATE | NLM_F_ACK;
1561
1562 ll_init_map(&rth);
1563
86bf43c7 1564 ret = rtnl_talk(&rth, n, NULL);
81824ac2
PE		 1565 if ((ret < 0) && (errno == EEXIST))
1566 ret = 0;
1567
1568 return ret;
1569}
1570
1571static int ipaddr_restore(void)
1572{
1573 if (ipadd_dump_check_magic())
1574 exit(-1);
1575
1576 exit(rtnl_from_file(stdin, &restore_handler, NULL));
1577}
1578
4ad87594 1579void free_nlmsg_chain(struct nlmsg_chain *info)
8d07e5f7
SH		 1580{
1581 struct nlmsg_list *l, *n;
1582
1583 for (l = info->head; l; l = n) {
1584 n = l->next;
1585 free(l);
1586 }
1587}
1588
1589static void ipaddr_filter(struct nlmsg_chain *linfo, struct nlmsg_chain *ainfo)
1590{
1591 struct nlmsg_list *l, **lp;
1592
1593 lp = &linfo->head;
56f5daac 1594 while ((l = *lp) != NULL) {
8d07e5f7 1595 int ok = 0;
7f747fd9 1596 int missing_net_address = 1;
8d07e5f7
SH		 1597 struct ifinfomsg *ifi = NLMSG_DATA(&l->h);
1598 struct nlmsg_list *a;
1599
1600 for (a = ainfo->head; a; a = a->next) {
1601 struct nlmsghdr *n = &a->h;
1602 struct ifaddrmsg *ifa = NLMSG_DATA(n);
37c9b94e
JP		 1603 struct rtattr *tb[IFA_MAX + 1];
1604 unsigned int ifa_flags;
8d07e5f7 1605
7f747fd9
PP		 1606 if (ifa->ifa_index != ifi->ifi_index)
1607 continue;
1608 missing_net_address = 0;
1609 if (filter.family && filter.family != ifa->ifa_family)
8d07e5f7
SH		 1610 continue;
1611 if ((filter.scope^ifa->ifa_scope)&filter.scopemask)
1612 continue;
37c9b94e
JP		 1613
1614 parse_rtattr(tb, IFA_MAX, IFA_RTA(ifa), IFA_PAYLOAD(n));
1615 ifa_flags = get_ifa_flags(ifa, tb[IFA_FLAGS]);
1616
1617 if ((filter.flags ^ ifa_flags) & filter.flagmask)
8d07e5f7 1618 continue;
17df3d60
SP		 1619
1620 if (ifa_label_match_rta(ifa->ifa_index, tb[IFA_LABEL]))
1621 continue;
1622
1623 if (!tb[IFA_LOCAL])
1624 tb[IFA_LOCAL] = tb[IFA_ADDRESS];
1625 if (inet_addr_match_rta(&filter.pfx, tb[IFA_LOCAL]))
1626 continue;
8d07e5f7
SH		 1627
1628 ok = 1;
1629 break;
1630 }
7f747fd9
PP		 1631 if (missing_net_address &&
1632 (filter.family == AF_UNSPEC || filter.family == AF_PACKET))
1633 ok = 1;
8d07e5f7
SH		 1634 if (!ok) {
1635 *lp = l->next;
1636 free(l);
1637 } else
1638 lp = &l->next;
1639 }
1640}
1641
1642static int ipaddr_flush(void)
1643{
1644 int round = 0;
1645 char flushb[4096-512];
1646
1647 filter.flushb = flushb;
1648 filter.flushp = 0;
1649 filter.flushe = sizeof(flushb);
1650
1651 while ((max_flush_loops == 0) || (round < max_flush_loops)) {
8d07e5f7
SH		 1652 if (rtnl_wilddump_request(&rth, filter.family, RTM_GETADDR) < 0) {
1653 perror("Cannot send dump request");
1654 exit(1);
1655 }
1656 filter.flushed = 0;
d25ec03e
PS		 1657 if (rtnl_dump_filter_nc(&rth, print_addrinfo,
1658 stdout, NLM_F_DUMP_INTR) < 0) {
8d07e5f7
SH		 1659 fprintf(stderr, "Flush terminated\n");
1660 exit(1);
1661 }
1662 if (filter.flushed == 0) {
1663 flush_done:
1664 if (show_stats) {
1665 if (round == 0)
1666 printf("Nothing to flush.\n");
1667 else
56f5daac 1668 printf("*** Flush is complete after %d round%s ***\n", round, round > 1?"s":"");
8d07e5f7
SH		 1669 }
1670 fflush(stdout);
1671 return 0;
1672 }
1673 round++;
1674 if (flush_update() < 0)
1675 return 1;
1676
1677 if (show_stats) {
1678 printf("\n*** Round %d, deleting %d addresses ***\n", round, filter.flushed);
1679 fflush(stdout);
1680 }
1681
1682 /* If we are flushing, and specifying primary, then we
1683 * want to flush only a single round. Otherwise, we'll
1684 * start flushing secondaries that were promoted to
1685 * primaries.
1686 */
1687 if (!(filter.flags & IFA_F_SECONDARY) && (filter.flagmask & IFA_F_SECONDARY))
1688 goto flush_done;
1689 }
1690 fprintf(stderr, "*** Flush remains incomplete after %d rounds. ***\n", max_flush_loops);
1691 fflush(stderr);
1692 return 1;
1693}
1694
b0a4ce62
DA		 1695static int iplink_filter_req(struct nlmsghdr *nlh, int reqlen)
1696{
1697 int err;
1698
1699 err = addattr32(nlh, reqlen, IFLA_EXT_MASK, RTEXT_FILTER_VF);
1700 if (err)
1701 return err;
1702
1703 if (filter.master) {
1704 err = addattr32(nlh, reqlen, IFLA_MASTER, filter.master);
1705 if (err)
1706 return err;
1707 }
1708
1709 if (filter.kind) {
1710 struct rtattr *linkinfo;
1711
1712 linkinfo = addattr_nest(nlh, reqlen, IFLA_LINKINFO);
1713
1714 err = addattr_l(nlh, reqlen, IFLA_INFO_KIND, filter.kind,
1715 strlen(filter.kind));
1716 if (err)
1717 return err;
1718
1719 addattr_nest_end(nlh, linkinfo);
1720 }
1721
1722 return 0;
1723}
1724
4ad87594
DA		 1725/* fills in linfo with link data and optionally ainfo with address info
1726 * caller can walk lists as desired and must call free_nlmsg_chain for
1727 * both when done
1728 */
1729int ip_linkaddr_list(int family, req_filter_fn_t filter_fn,
1730 struct nlmsg_chain *linfo, struct nlmsg_chain *ainfo)
1731{
1732 if (rtnl_wilddump_req_filter_fn(&rth, preferred_family, RTM_GETLINK,
1733 filter_fn) < 0) {
1734 perror("Cannot send dump request");
1735 return 1;
1736 }
1737
1738 if (rtnl_dump_filter(&rth, store_nlmsg, linfo) < 0) {
1739 fprintf(stderr, "Dump terminated\n");
1740 return 1;
1741 }
1742
1743 if (ainfo) {
1744 if (rtnl_wilddump_request(&rth, family, RTM_GETADDR) < 0) {
1745 perror("Cannot send dump request");
1746 return 1;
1747 }
1748
1749 if (rtnl_dump_filter(&rth, store_nlmsg, ainfo) < 0) {
1750 fprintf(stderr, "Dump terminated\n");
1751 return 1;
1752 }
1753 }
1754
1755 return 0;
1756}
1757
81824ac2 1758static int ipaddr_list_flush_or_save(int argc, char **argv, int action)
aba5acdf 1759{
62e2e540 1760 struct nlmsg_chain linfo = { NULL, NULL};
4ad87594 1761 struct nlmsg_chain _ainfo = { NULL, NULL}, *ainfo = NULL;
8d07e5f7 1762 struct nlmsg_list *l;
aba5acdf
SH		 1763 char *filter_dev = NULL;
1764 int no_link = 0;
1765
093b7646 1766 ipaddr_reset_filter(oneline, 0);
aba5acdf 1767 filter.showqueue = 1;
906dfe48 1768 filter.family = preferred_family;
c4fdf75d 1769 filter.group = -1;
f960c92a 1770
81824ac2 1771 if (action == IPADD_FLUSH) {
aba5acdf
SH		 1772 if (argc <= 0) {
1773 fprintf(stderr, "Flush requires arguments.\n");
f960c92a 1774
aba5acdf
SH		 1775 return -1;
1776 }
1777 if (filter.family == AF_PACKET) {
1778 fprintf(stderr, "Cannot flush link addresses.\n");
1779 return -1;
1780 }
1781 }
1782
1783 while (argc > 0) {
1784 if (strcmp(*argv, "to") == 0) {
1785 NEXT_ARG();
c4de9ada
SP		 1786 if (get_prefix(&filter.pfx, *argv, filter.family))
1787 invarg("invalid \"to\"\n", *argv);
aba5acdf
SH		 1788 if (filter.family == AF_UNSPEC)
1789 filter.family = filter.pfx.family;
1790 } else if (strcmp(*argv, "scope") == 0) {
56f5daac
SH		 1791 unsigned int scope = 0;
1792
aba5acdf
SH		 1793 NEXT_ARG();
1794 filter.scopemask = -1;
1795 if (rtnl_rtscope_a2n(&scope, *argv)) {
1796 if (strcmp(*argv, "all") != 0)
1797 invarg("invalid \"scope\"\n", *argv);
1798 scope = RT_SCOPE_NOWHERE;
1799 filter.scopemask = 0;
1800 }
1801 filter.scope = scope;
1802 } else if (strcmp(*argv, "up") == 0) {
1803 filter.up = 1;
f73ac674
SH		 1804 } else if (get_filter(*argv) == 0) {
1805
aba5acdf
SH		 1806 } else if (strcmp(*argv, "label") == 0) {
1807 NEXT_ARG();
1808 filter.label = *argv;
f960c92a
VD		 1809 } else if (strcmp(*argv, "group") == 0) {
1810 NEXT_ARG();
1811 if (rtnl_group_a2n(&filter.group, *argv))
1812 invarg("Invalid \"group\" value\n", *argv);
1b944148
VK		 1813 } else if (strcmp(*argv, "master") == 0) {
1814 int ifindex;
56f5daac 1815
1b944148
VK		 1816 NEXT_ARG();
1817 ifindex = ll_name_to_index(*argv);
1818 if (!ifindex)
1819 invarg("Device does not exist\n", *argv);
1820 filter.master = ifindex;
104444c2
DA		 1821 } else if (strcmp(*argv, "vrf") == 0) {
1822 int ifindex;
1823
1824 NEXT_ARG();
1825 ifindex = ll_name_to_index(*argv);
1826 if (!ifindex)
1827 invarg("Not a valid VRF name\n", *argv);
1828 if (!name_is_vrf(*argv))
1829 invarg("Not a valid VRF name\n", *argv);
1830 filter.master = ifindex;
24604eb2 1831 } else if (strcmp(*argv, "type") == 0) {
e0513807
PS		 1832 int soff;
1833
712249d8 1834 NEXT_ARG();
e0513807
PS		 1835 soff = strlen(*argv) - strlen("_slave");
1836 if (!strcmp(*argv + soff, "_slave")) {
1837 (*argv)[soff] = '\0';
1838 filter.slave_kind = *argv;
1839 } else {
1840 filter.kind = *argv;
1841 }
aba5acdf 1842 } else {
468fa020 1843 if (strcmp(*argv, "dev") == 0)
aba5acdf 1844 NEXT_ARG();
468fa020 1845 else if (matches(*argv, "help") == 0)
aba5acdf
SH		 1846 usage();
1847 if (filter_dev)
1848 duparg2("dev", *argv);
1849 filter_dev = *argv;
1850 }
1851 argv++; argc--;
1852 }
1853
aba5acdf
SH		 1854 if (filter_dev) {
1855 filter.ifindex = ll_name_to_index(filter_dev);
1856 if (filter.ifindex <= 0) {
1857 fprintf(stderr, "Device \"%s\" does not exist.\n", filter_dev);
1858 return -1;
1859 }
1860 }
1861
81824ac2 1862 if (action == IPADD_FLUSH)
8d07e5f7 1863 return ipaddr_flush();
351efcde 1864
81824ac2
PE		 1865 if (action == IPADD_SAVE) {
1866 if (ipadd_save_prep())
1867 exit(1);
1868
1869 if (rtnl_wilddump_request(&rth, preferred_family, RTM_GETADDR) < 0) {
1870 perror("Cannot send dump request");
1871 exit(1);
1872 }
1873
1874 if (rtnl_dump_filter(&rth, save_nlmsg, stdout) < 0) {
1875 fprintf(stderr, "Save terminated\n");
1876 exit(1);
1877 }
1878
1879 exit(0);
1880 }
1881
d0e72011
JF		 1882 /*
1883 * Initialize a json_writer and open an array object
1884 * if -json was specified.
1885 */
429f314e 1886 new_json_obj(json);
d0e72011 1887
50b9950d
RP		 1888 /*
1889 * If only filter_dev present and none of the other
1890 * link filters are present, use RTM_GETLINK to get
1891 * the link device
1892 */
1893 if (filter_dev && filter.group == -1 && do_link == 1) {
1894 if (iplink_get(0, filter_dev, RTEXT_FILTER_VF) < 0) {
1895 perror("Cannot send link get request");
d0e72011 1896 delete_json_obj();
50b9950d
RP		 1897 exit(1);
1898 }
d0e72011 1899 delete_json_obj();
50b9950d
RP		 1900 exit(0);
1901 }
1902
af9d406f 1903 if (filter.family != AF_PACKET) {
4ad87594
DA		 1904 ainfo = &_ainfo;
1905
8d07e5f7
SH		 1906 if (filter.oneline)
1907 no_link = 1;
4ad87594 1908 }
8d07e5f7 1909
4ad87594
DA		 1910 if (ip_linkaddr_list(filter.family, iplink_filter_req,
1911 &linfo, ainfo) != 0)
1912 goto out;
aba5acdf 1913
4ad87594
DA		 1914 if (filter.family != AF_PACKET)
1915 ipaddr_filter(&linfo, ainfo);
aba5acdf 1916
8d07e5f7 1917 for (l = linfo.head; l; l = l->next) {
1bccd1e4
SP		 1918 struct nlmsghdr *n = &l->h;
1919 struct ifinfomsg *ifi = NLMSG_DATA(n);
c956e9a9 1920 int res = 0;
5d5cf1b4 1921
d0e72011 1922 open_json_object(NULL);
c956e9a9 1923 if (brief || !no_link)
1bccd1e4
SP		 1924 res = print_linkinfo(NULL, n, stdout);
1925 if (res >= 0 && filter.family != AF_PACKET)
1926 print_selected_addrinfo(ifi, ainfo->head, stdout);
1927 if (res > 0 && !do_link && show_stats)
1928 print_link_stats(stdout, n);
d0e72011 1929 close_json_object();
aba5acdf 1930 }
8d07e5f7
SH		 1931 fflush(stdout);
1932
4ad87594
DA		 1933out:
1934 if (ainfo)
1935 free_nlmsg_chain(ainfo);
8d07e5f7 1936 free_nlmsg_chain(&linfo);
d0e72011 1937 delete_json_obj();
351efcde 1938 return 0;
aba5acdf
SH		 1939}
1940
f89a2a05
SC		 1941static void
1942ipaddr_loop_each_vf(struct rtattr *tb[], int vfnum, int *min, int *max)
1943{
1944 struct rtattr *vflist = tb[IFLA_VFINFO_LIST];
1945 struct rtattr *i, *vf[IFLA_VF_MAX+1];
1946 struct ifla_vf_rate *vf_rate;
1947 int rem;
1948
1949 rem = RTA_PAYLOAD(vflist);
1950
1951 for (i = RTA_DATA(vflist); RTA_OK(i, rem); i = RTA_NEXT(i, rem)) {
1952 parse_rtattr_nested(vf, IFLA_VF_MAX, i);
39315157
GP		 1953
1954 if (!vf[IFLA_VF_RATE]) {
1955 fprintf(stderr, "VF min/max rate API not supported\n");
1956 exit(1);
1957 }
1958
f89a2a05
SC		 1959 vf_rate = RTA_DATA(vf[IFLA_VF_RATE]);
1960 if (vf_rate->vf == vfnum) {
1961 *min = vf_rate->min_tx_rate;
1962 *max = vf_rate->max_tx_rate;
1963 return;
1964 }
1965 }
1966 fprintf(stderr, "Cannot find VF %d\n", vfnum);
1967 exit(1);
1968}
1969
1970void ipaddr_get_vf_rate(int vfnum, int *min, int *max, int idx)
1971{
1972 struct nlmsg_chain linfo = { NULL, NULL};
1973 struct rtattr *tb[IFLA_MAX+1];
1974 struct ifinfomsg *ifi;
1975 struct nlmsg_list *l;
1976 struct nlmsghdr *n;
1977 int len;
1978
1979 if (rtnl_wilddump_request(&rth, AF_UNSPEC, RTM_GETLINK) < 0) {
1980 perror("Cannot send dump request");
1981 exit(1);
1982 }
1983 if (rtnl_dump_filter(&rth, store_nlmsg, &linfo) < 0) {
1984 fprintf(stderr, "Dump terminated\n");
1985 exit(1);
1986 }
1987 for (l = linfo.head; l; l = l->next) {
1988 n = &l->h;
1989 ifi = NLMSG_DATA(n);
1990
1991 len = n->nlmsg_len - NLMSG_LENGTH(sizeof(*ifi));
1199c4f5 1992 if (len < 0 || (idx && idx != ifi->ifi_index))
f89a2a05
SC		 1993 continue;
1994
1995 parse_rtattr(tb, IFLA_MAX, IFLA_RTA(ifi), len);
1996
1997 if ((tb[IFLA_VFINFO_LIST] && tb[IFLA_NUM_VF])) {
1998 ipaddr_loop_each_vf(tb, vfnum, min, max);
1999 return;
2000 }
2001 }
2002}
2003
aba5acdf
SH		 2004int ipaddr_list_link(int argc, char **argv)
2005{
2006 preferred_family = AF_PACKET;
2007 do_link = 1;
81824ac2 2008 return ipaddr_list_flush_or_save(argc, argv, IPADD_LIST);
aba5acdf
SH		 2009}
2010
093b7646 2011void ipaddr_reset_filter(int oneline, int ifindex)
aba5acdf
SH		 2012{
2013 memset(&filter, 0, sizeof(filter));
2014 filter.oneline = oneline;
093b7646 2015 filter.ifindex = ifindex;
aba5acdf
SH		 2016}
2017
3d866ba2 2018static int default_scope(inet_prefix *lcl)
aba5acdf
SH		 2019{
2020 if (lcl->family == AF_INET) {
56f5daac 2021 if (lcl->bytelen >= 1 && *(__u8 *)&lcl->data == 127)
aba5acdf
SH		 2022 return RT_SCOPE_HOST;
2023 }
2024 return 0;
2025}
2026
e31867ac
MC		 2027static bool ipaddr_is_multicast(inet_prefix *a)
2028{
2029 if (a->family == AF_INET)
2030 return IN_MULTICAST(ntohl(a->data[0]));
2031 else if (a->family == AF_INET6)
2032 return IN6_IS_ADDR_MULTICAST(a->data);
2033 else
2034 return false;
2035}
2036
3d866ba2 2037static int ipaddr_modify(int cmd, int flags, int argc, char **argv)
aba5acdf 2038{
aba5acdf 2039 struct {
4806867a
SH		 2040 struct nlmsghdr n;
2041 struct ifaddrmsg ifa;
4b726cb1 2042 char buf[256];
d17b136f
PS		 2043 } req = {
2044 .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg)),
2045 .n.nlmsg_flags = NLM_F_REQUEST | flags,
2046 .n.nlmsg_type = cmd,
2047 .ifa.ifa_family = preferred_family,
2048 };
aba5acdf
SH		 2049 char *d = NULL;
2050 char *l = NULL;
f082b64f 2051 char *lcl_arg = NULL;
35546df7
MN		 2052 char *valid_lftp = NULL;
2053 char *preferred_lftp = NULL;
d044ea3e 2054 inet_prefix lcl = {};
aba5acdf
SH		 2055 inet_prefix peer;
2056 int local_len = 0;
2057 int peer_len = 0;
2058 int brd_len = 0;
2059 int any_len = 0;
2060 int scoped = 0;
141bb606
MN		 2061 __u32 preferred_lft = INFINITY_LIFE_TIME;
2062 __u32 valid_lft = INFINITY_LIFE_TIME;
37c9b94e 2063 unsigned int ifa_flags = 0;
aba5acdf 2064
aba5acdf
SH		 2065 while (argc > 0) {
2066 if (strcmp(*argv, "peer") == 0 ||
2067 strcmp(*argv, "remote") == 0) {
2068 NEXT_ARG();
2069
2070 if (peer_len)
2071 duparg("peer", *argv);
2072 get_prefix(&peer, *argv, req.ifa.ifa_family);
2073 peer_len = peer.bytelen;
2074 if (req.ifa.ifa_family == AF_UNSPEC)
2075 req.ifa.ifa_family = peer.family;
2076 addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &peer.data, peer.bytelen);
2077 req.ifa.ifa_prefixlen = peer.bitlen;
2078 } else if (matches(*argv, "broadcast") == 0 ||
2079 strcmp(*argv, "brd") == 0) {
2080 inet_prefix addr;
56f5daac 2081
aba5acdf
SH		 2082 NEXT_ARG();
2083 if (brd_len)
2084 duparg("broadcast", *argv);
2085 if (strcmp(*argv, "+") == 0)
2086 brd_len = -1;
2087 else if (strcmp(*argv, "-") == 0)
2088 brd_len = -2;
2089 else {
2090 get_addr(&addr, *argv, req.ifa.ifa_family);
2091 if (req.ifa.ifa_family == AF_UNSPEC)
2092 req.ifa.ifa_family = addr.family;
2093 addattr_l(&req.n, sizeof(req), IFA_BROADCAST, &addr.data, addr.bytelen);
2094 brd_len = addr.bytelen;
2095 }
2096 } else if (strcmp(*argv, "anycast") == 0) {
2097 inet_prefix addr;
56f5daac 2098
aba5acdf
SH		 2099 NEXT_ARG();
2100 if (any_len)
2101 duparg("anycast", *argv);
2102 get_addr(&addr, *argv, req.ifa.ifa_family);
2103 if (req.ifa.ifa_family == AF_UNSPEC)
2104 req.ifa.ifa_family = addr.family;
2105 addattr_l(&req.n, sizeof(req), IFA_ANYCAST, &addr.data, addr.bytelen);
2106 any_len = addr.bytelen;
2107 } else if (strcmp(*argv, "scope") == 0) {
56f5daac
SH		 2108 unsigned int scope = 0;
2109
aba5acdf
SH		 2110 NEXT_ARG();
2111 if (rtnl_rtscope_a2n(&scope, *argv))
f1675d61 2112 invarg("invalid scope value.", *argv);
aba5acdf
SH		 2113 req.ifa.ifa_scope = scope;
2114 scoped = 1;
2115 } else if (strcmp(*argv, "dev") == 0) {
2116 NEXT_ARG();
2117 d = *argv;
2118 } else if (strcmp(*argv, "label") == 0) {
2119 NEXT_ARG();
2120 l = *argv;
2121 addattr_l(&req.n, sizeof(req), IFA_LABEL, l, strlen(l)+1);
35546df7
MN		 2122 } else if (matches(*argv, "valid_lft") == 0) {
2123 if (valid_lftp)
2124 duparg("valid_lft", *argv);
2125 NEXT_ARG();
2126 valid_lftp = *argv;
2127 if (set_lifetime(&valid_lft, *argv))
2128 invarg("valid_lft value", *argv);
2129 } else if (matches(*argv, "preferred_lft") == 0) {
2130 if (preferred_lftp)
2131 duparg("preferred_lft", *argv);
2132 NEXT_ARG();
2133 preferred_lftp = *argv;
2134 if (set_lifetime(&preferred_lft, *argv))
2135 invarg("preferred_lft value", *argv);
bac735c5 2136 } else if (strcmp(*argv, "home") == 0) {
37c9b94e 2137 ifa_flags |= IFA_F_HOMEADDRESS;
bac735c5 2138 } else if (strcmp(*argv, "nodad") == 0) {
37c9b94e 2139 ifa_flags |= IFA_F_NODAD;
5b7e21c4
JP		 2140 } else if (strcmp(*argv, "mngtmpaddr") == 0) {
2141 ifa_flags |= IFA_F_MANAGETEMPADDR;
58c69b22
TH		 2142 } else if (strcmp(*argv, "noprefixroute") == 0) {
2143 ifa_flags |= IFA_F_NOPREFIXROUTE;
e31867ac
MC		 2144 } else if (strcmp(*argv, "autojoin") == 0) {
2145 ifa_flags |= IFA_F_MCAUTOJOIN;
aba5acdf 2146 } else {
468fa020 2147 if (strcmp(*argv, "local") == 0)
aba5acdf 2148 NEXT_ARG();
aba5acdf
SH		 2149 if (matches(*argv, "help") == 0)
2150 usage();
2151 if (local_len)
2152 duparg2("local", *argv);
f082b64f 2153 lcl_arg = *argv;
aba5acdf
SH		 2154 get_prefix(&lcl, *argv, req.ifa.ifa_family);
2155 if (req.ifa.ifa_family == AF_UNSPEC)
2156 req.ifa.ifa_family = lcl.family;
2157 addattr_l(&req.n, sizeof(req), IFA_LOCAL, &lcl.data, lcl.bytelen);
2158 local_len = lcl.bytelen;
2159 }
2160 argc--; argv++;
2161 }
8b21f88d
WC		 2162 if (ifa_flags <= 0xff)
2163 req.ifa.ifa_flags = ifa_flags;
2164 else
2165 addattr32(&req.n, sizeof(req), IFA_FLAGS, ifa_flags);
37c9b94e 2166
aba5acdf
SH		 2167 if (d == NULL) {
2168 fprintf(stderr, "Not enough information: \"dev\" argument is required.\n");
2169 return -1;
2170 }
2171 if (l && matches(d, l) != 0) {
2172 fprintf(stderr, "\"dev\" (%s) must match \"label\" (%s).\n", d, l);
1db61e02 2173 return -1;
aba5acdf
SH		 2174 }
2175
f082b64f 2176 if (peer_len == 0 && local_len) {
2177 if (cmd == RTM_DELADDR && lcl.family == AF_INET && !(lcl.flags & PREFIXLEN_SPECIFIED)) {
2178 fprintf(stderr,
468fa020
SH		 2179 "Warning: Executing wildcard deletion to stay compatible with old scripts.\n"
2180 " Explicitly specify the prefix length (%s/%d) to avoid this warning.\n"
2181 " This special behaviour is likely to disappear in further releases,\n"
f082b64f 2182 " fix your scripts!\n", lcl_arg, local_len*8);
2183 } else {
2184 peer = lcl;
2185 addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &lcl.data, lcl.bytelen);
2186 }
aba5acdf
SH		 2187 }
2188 if (req.ifa.ifa_prefixlen == 0)
2189 req.ifa.ifa_prefixlen = lcl.bitlen;
2190
2191 if (brd_len < 0 && cmd != RTM_DELADDR) {
2192 inet_prefix brd;
2193 int i;
56f5daac 2194
aba5acdf
SH		 2195 if (req.ifa.ifa_family != AF_INET) {
2196 fprintf(stderr, "Broadcast can be set only for IPv4 addresses\n");
2197 return -1;
2198 }
2199 brd = peer;
2200 if (brd.bitlen <= 30) {
4b726cb1 2201 for (i = 31; i >= brd.bitlen; i--) {
aba5acdf
SH		 2202 if (brd_len == -1)
2203 brd.data[0] |= htonl(1<<(31-i));
2204 else
2205 brd.data[0] &= ~htonl(1<<(31-i));
2206 }
2207 addattr_l(&req.n, sizeof(req), IFA_BROADCAST, &brd.data, brd.bytelen);
2208 brd_len = brd.bytelen;
2209 }
2210 }
2211 if (!scoped && cmd != RTM_DELADDR)
2212 req.ifa.ifa_scope = default_scope(&lcl);
2213
aba5acdf
SH		 2214 if ((req.ifa.ifa_index = ll_name_to_index(d)) == 0) {
2215 fprintf(stderr, "Cannot find device \"%s\"\n", d);
2216 return -1;
2217 }
2218
35546df7 2219 if (valid_lftp || preferred_lftp) {
d17b136f
PS		 2220 struct ifa_cacheinfo cinfo = {};
2221
35546df7
MN		 2222 if (!valid_lft) {
2223 fprintf(stderr, "valid_lft is zero\n");
2224 return -1;
2225 }
2226 if (valid_lft < preferred_lft) {
2227 fprintf(stderr, "preferred_lft is greater than valid_lft\n");
2228 return -1;
2229 }
2230
35546df7
MN		 2231 cinfo.ifa_prefered = preferred_lft;
2232 cinfo.ifa_valid = valid_lft;
2233 addattr_l(&req.n, sizeof(req), IFA_CACHEINFO, &cinfo,
2234 sizeof(cinfo));
2235 }
2236
e31867ac
MC		 2237 if ((ifa_flags & IFA_F_MCAUTOJOIN) && !ipaddr_is_multicast(&lcl)) {
2238 fprintf(stderr, "autojoin needs multicast address\n");
2239 return -1;
2240 }
2241
86bf43c7 2242 if (rtnl_talk(&rth, &req.n, NULL) < 0)
1db61e02 2243 return -2;
aba5acdf 2244
351efcde 2245 return 0;
aba5acdf
SH		 2246}
2247
2248int do_ipaddr(int argc, char **argv)
2249{
2250 if (argc < 1)
81824ac2 2251 return ipaddr_list_flush_or_save(0, NULL, IPADD_LIST);
aba5acdf 2252 if (matches(*argv, "add") == 0)
0aef366b
NT		 2253 return ipaddr_modify(RTM_NEWADDR, NLM_F_CREATE|NLM_F_EXCL, argc-1, argv+1);
2254 if (matches(*argv, "change") == 0 ||
2255 strcmp(*argv, "chg") == 0)
2256 return ipaddr_modify(RTM_NEWADDR, NLM_F_REPLACE, argc-1, argv+1);
2257 if (matches(*argv, "replace") == 0)
2258 return ipaddr_modify(RTM_NEWADDR, NLM_F_CREATE|NLM_F_REPLACE, argc-1, argv+1);
aba5acdf 2259 if (matches(*argv, "delete") == 0)
0aef366b 2260 return ipaddr_modify(RTM_DELADDR, 0, argc-1, argv+1);
aba5acdf
SH		 2261 if (matches(*argv, "list") == 0 || matches(*argv, "show") == 0
2262 || matches(*argv, "lst") == 0)
81824ac2 2263 return ipaddr_list_flush_or_save(argc-1, argv+1, IPADD_LIST);
aba5acdf 2264 if (matches(*argv, "flush") == 0)
81824ac2
PE		 2265 return ipaddr_list_flush_or_save(argc-1, argv+1, IPADD_FLUSH);
2266 if (matches(*argv, "save") == 0)
2267 return ipaddr_list_flush_or_save(argc-1, argv+1, IPADD_SAVE);
2268 if (matches(*argv, "showdump") == 0)
2269 return ipaddr_showdump();
2270 if (matches(*argv, "restore") == 0)
2271 return ipaddr_restore();
aba5acdf
SH		 2272 if (matches(*argv, "help") == 0)
2273 usage();
4e972d5e 2274 fprintf(stderr, "Command \"%s\" is unknown, try \"ip address help\".\n", *argv);
aba5acdf
SH		 2275 exit(-1);
2276}
Upstream mirror of iproute2