2 * ipaddress.c "ip address".
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.
9 * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
18 #include <sys/ioctl.h>
19 #include <sys/socket.h>
20 #include <sys/param.h>
22 #include <netinet/in.h>
23 #include <arpa/inet.h>
27 #include <linux/netdevice.h>
28 #include <linux/if_arp.h>
29 #include <linux/sockios.h>
30 #include <linux/net_namespace.h>
36 #include "ip_common.h"
45 static struct link_filter filter
;
48 static void usage(void) __attribute__((noreturn
));
50 static void usage(void)
56 "Usage: ip address {add|change|replace} IFADDR dev IFNAME [ LIFETIME ]\n"
57 " [ CONFFLAG-LIST ]\n"
58 " ip address del IFADDR dev IFNAME [mngtmpaddr]\n"
59 " ip address {save|flush} [ dev IFNAME ] [ scope SCOPE-ID ]\n"
60 " [ to PREFIX ] [ FLAG-LIST ] [ label LABEL ] [up]\n"
61 " ip address [ show [ dev IFNAME ] [ scope SCOPE-ID ] [ master DEVICE ]\n"
62 " [ type TYPE ] [ to PREFIX ] [ FLAG-LIST ]\n"
63 " [ label LABEL ] [up] [ vrf NAME ] ]\n"
64 " ip address {showdump|restore}\n"
65 "IFADDR := PREFIX | ADDR peer PREFIX\n"
66 " [ broadcast ADDR ] [ anycast ADDR ]\n"
67 " [ label IFNAME ] [ scope SCOPE-ID ] [ metric METRIC ]\n"
68 "SCOPE-ID := [ host | link | global | NUMBER ]\n"
69 "FLAG-LIST := [ FLAG-LIST ] FLAG\n"
70 "FLAG := [ permanent | dynamic | secondary | primary |\n"
71 " [-]tentative | [-]deprecated | [-]dadfailed | temporary |\n"
73 "CONFFLAG-LIST := [ CONFFLAG-LIST ] CONFFLAG\n"
74 "CONFFLAG := [ home | nodad | mngtmpaddr | noprefixroute | autojoin ]\n"
75 "LIFETIME := [ valid_lft LFT ] [ preferred_lft LFT ]\n"
76 "LFT := forever | SECONDS\n"
77 "TYPE := { vlan | veth | vcan | vxcan | dummy | ifb | macvlan | macvtap |\n"
78 " bridge | bond | ipoib | ip6tnl | ipip | sit | vxlan | lowpan |\n"
79 " gre | gretap | erspan | ip6gre | ip6gretap | ip6erspan | vti |\n"
80 " nlmon | can | bond_slave | ipvlan | geneve | bridge_slave |\n"
81 " hsr | macsec | netdevsim }\n");
86 static void print_link_flags(FILE *fp
, unsigned int flags
, unsigned int mdown
)
88 open_json_array(PRINT_ANY
, is_json_context() ? "flags" : "<");
89 if (flags
& IFF_UP
&& !(flags
& IFF_RUNNING
))
90 print_string(PRINT_ANY
, NULL
,
91 flags
? "%s," : "%s", "NO-CARRIER");
92 flags
&= ~IFF_RUNNING
;
93 #define _PF(f) if (flags&IFF_##f) { \
95 print_string(PRINT_ANY, NULL, flags ? "%s," : "%s", #f); }
116 print_hex(PRINT_ANY
, NULL
, "%x", flags
);
118 print_string(PRINT_ANY
, NULL
, ",%s", "M-DOWN");
119 close_json_array(PRINT_ANY
, "> ");
122 static const char *oper_states
[] = {
123 "UNKNOWN", "NOTPRESENT", "DOWN", "LOWERLAYERDOWN",
124 "TESTING", "DORMANT", "UP"
127 static void print_operstate(FILE *f
, __u8 state
)
129 if (state
>= ARRAY_SIZE(oper_states
)) {
130 if (is_json_context())
131 print_uint(PRINT_JSON
, "operstate_index", NULL
, state
);
133 print_0xhex(PRINT_FP
, NULL
, "state %#llx", state
);
135 print_color_string(PRINT_ANY
,
136 oper_state_color(state
),
141 if (is_json_context())
142 print_string(PRINT_JSON
,
144 NULL
, oper_states
[state
]);
146 fprintf(f
, "state ");
147 color_fprintf(f
, oper_state_color(state
),
148 "%s ", oper_states
[state
]);
153 int get_operstate(const char *name
)
157 for (i
= 0; i
< ARRAY_SIZE(oper_states
); i
++)
158 if (strcasecmp(name
, oper_states
[i
]) == 0)
163 static void print_queuelen(FILE *f
, struct rtattr
*tb
[IFLA_MAX
+ 1])
168 qlen
= rta_getattr_u32(tb
[IFLA_TXQLEN
]);
170 struct ifreq ifr
= {};
171 int s
= socket(AF_INET
, SOCK_STREAM
, 0);
176 strcpy(ifr
.ifr_name
, rta_getattr_str(tb
[IFLA_IFNAME
]));
177 if (ioctl(s
, SIOCGIFTXQLEN
, &ifr
) < 0) {
179 "ioctl(SIOCGIFTXQLEN) failed: %s\n",
188 print_int(PRINT_ANY
, "txqlen", "qlen %d", qlen
);
191 static const char *link_modes
[] = {
195 static void print_linkmode(FILE *f
, struct rtattr
*tb
)
197 unsigned int mode
= rta_getattr_u8(tb
);
199 if (mode
>= ARRAY_SIZE(link_modes
))
205 print_string(PRINT_ANY
,
211 static char *parse_link_kind(struct rtattr
*tb
, bool slave
)
213 struct rtattr
*linkinfo
[IFLA_INFO_MAX
+1];
214 int attr
= slave
? IFLA_INFO_SLAVE_KIND
: IFLA_INFO_KIND
;
216 parse_rtattr_nested(linkinfo
, IFLA_INFO_MAX
, tb
);
219 return RTA_DATA(linkinfo
[attr
]);
224 static int match_link_kind(struct rtattr
**tb
, const char *kind
, bool slave
)
226 if (!tb
[IFLA_LINKINFO
])
229 return strcmp(parse_link_kind(tb
[IFLA_LINKINFO
], slave
), kind
);
232 static void print_linktype(FILE *fp
, struct rtattr
*tb
)
234 struct rtattr
*linkinfo
[IFLA_INFO_MAX
+1];
235 struct link_util
*lu
;
236 struct link_util
*slave_lu
;
239 parse_rtattr_nested(linkinfo
, IFLA_INFO_MAX
, tb
);
240 open_json_object("linkinfo");
242 if (linkinfo
[IFLA_INFO_KIND
]) {
244 = rta_getattr_str(linkinfo
[IFLA_INFO_KIND
]);
247 print_string(PRINT_ANY
, "info_kind", " %s ", kind
);
249 lu
= get_link_kind(kind
);
250 if (lu
&& lu
->print_opt
) {
251 struct rtattr
*attr
[lu
->maxattr
+1], **data
= NULL
;
253 if (linkinfo
[IFLA_INFO_DATA
]) {
254 parse_rtattr_nested(attr
, lu
->maxattr
,
255 linkinfo
[IFLA_INFO_DATA
]);
258 open_json_object("info_data");
259 lu
->print_opt(lu
, fp
, data
);
262 if (linkinfo
[IFLA_INFO_XSTATS
] && show_stats
&&
264 open_json_object("info_xstats");
265 lu
->print_xstats(lu
, fp
, linkinfo
[IFLA_INFO_XSTATS
]);
271 if (linkinfo
[IFLA_INFO_SLAVE_KIND
]) {
272 const char *slave_kind
273 = rta_getattr_str(linkinfo
[IFLA_INFO_SLAVE_KIND
]);
276 print_string(PRINT_ANY
,
281 snprintf(slave
, sizeof(slave
), "%s_slave", slave_kind
);
283 slave_lu
= get_link_kind(slave
);
284 if (slave_lu
&& slave_lu
->print_opt
) {
285 struct rtattr
*attr
[slave_lu
->maxattr
+1], **data
= NULL
;
287 if (linkinfo
[IFLA_INFO_SLAVE_DATA
]) {
288 parse_rtattr_nested(attr
, slave_lu
->maxattr
,
289 linkinfo
[IFLA_INFO_SLAVE_DATA
]);
292 open_json_object("info_slave_data");
293 slave_lu
->print_opt(slave_lu
, fp
, data
);
300 static void print_af_spec(FILE *fp
, struct rtattr
*af_spec_attr
)
302 struct rtattr
*inet6_attr
;
303 struct rtattr
*tb
[IFLA_INET6_MAX
+ 1];
305 inet6_attr
= parse_rtattr_one_nested(AF_INET6
, af_spec_attr
);
309 parse_rtattr_nested(tb
, IFLA_INET6_MAX
, inet6_attr
);
311 if (tb
[IFLA_INET6_ADDR_GEN_MODE
]) {
312 __u8 mode
= rta_getattr_u8(tb
[IFLA_INET6_ADDR_GEN_MODE
]);
316 case IN6_ADDR_GEN_MODE_EUI64
:
317 print_string(PRINT_ANY
,
318 "inet6_addr_gen_mode",
322 case IN6_ADDR_GEN_MODE_NONE
:
323 print_string(PRINT_ANY
,
324 "inet6_addr_gen_mode",
328 case IN6_ADDR_GEN_MODE_STABLE_PRIVACY
:
329 print_string(PRINT_ANY
,
330 "inet6_addr_gen_mode",
334 case IN6_ADDR_GEN_MODE_RANDOM
:
335 print_string(PRINT_ANY
,
336 "inet6_addr_gen_mode",
341 snprintf(b1
, sizeof(b1
), "%#.2hhx", mode
);
342 print_string(PRINT_ANY
,
343 "inet6_addr_gen_mode",
351 static void print_vf_stats64(FILE *fp
, struct rtattr
*vfstats
);
353 static void print_vfinfo(FILE *fp
, struct rtattr
*vfinfo
)
355 struct ifla_vf_mac
*vf_mac
;
356 struct ifla_vf_tx_rate
*vf_tx_rate
;
357 struct rtattr
*vf
[IFLA_VF_MAX
+ 1] = {};
361 if (vfinfo
->rta_type
!= IFLA_VF_INFO
) {
362 fprintf(stderr
, "BUG: rta type is %d\n", vfinfo
->rta_type
);
366 parse_rtattr_nested(vf
, IFLA_VF_MAX
, vfinfo
);
368 vf_mac
= RTA_DATA(vf
[IFLA_VF_MAC
]);
369 vf_tx_rate
= RTA_DATA(vf
[IFLA_VF_TX_RATE
]);
371 print_string(PRINT_FP
, NULL
, "%s ", _SL_
);
372 print_int(PRINT_ANY
, "vf", "vf %d ", vf_mac
->vf
);
373 print_string(PRINT_ANY
, "mac", "MAC %s",
374 ll_addr_n2a((unsigned char *) &vf_mac
->mac
,
375 ETH_ALEN
, 0, b1
, sizeof(b1
)));
377 if (vf
[IFLA_VF_VLAN_LIST
]) {
378 struct rtattr
*i
, *vfvlanlist
= vf
[IFLA_VF_VLAN_LIST
];
379 int rem
= RTA_PAYLOAD(vfvlanlist
);
381 open_json_array(PRINT_JSON
, "vlan_list");
382 for (i
= RTA_DATA(vfvlanlist
);
383 RTA_OK(i
, rem
); i
= RTA_NEXT(i
, rem
)) {
384 struct ifla_vf_vlan_info
*vf_vlan_info
= RTA_DATA(i
);
387 open_json_object(NULL
);
388 if (vf_vlan_info
->vlan
)
393 if (vf_vlan_info
->qos
)
398 if (vf_vlan_info
->vlan_proto
&&
399 vf_vlan_info
->vlan_proto
!= htons(ETH_P_8021Q
))
400 print_string(PRINT_ANY
,
402 ", vlan protocol %s",
404 vf_vlan_info
->vlan_proto
,
408 close_json_array(PRINT_JSON
, NULL
);
410 struct ifla_vf_vlan
*vf_vlan
= RTA_DATA(vf
[IFLA_VF_VLAN
]);
418 print_int(PRINT_ANY
, "qos", ", qos %d", vf_vlan
->qos
);
421 if (vf_tx_rate
->rate
)
422 print_uint(PRINT_ANY
,
424 ", tx rate %u (Mbps)",
427 if (vf
[IFLA_VF_RATE
]) {
428 struct ifla_vf_rate
*vf_rate
= RTA_DATA(vf
[IFLA_VF_RATE
]);
429 int max_tx
= vf_rate
->max_tx_rate
;
430 int min_tx
= vf_rate
->min_tx_rate
;
432 if (is_json_context()) {
433 open_json_object("rate");
434 print_uint(PRINT_JSON
, "max_tx", NULL
, max_tx
);
435 print_uint(PRINT_ANY
, "min_tx", NULL
, min_tx
);
439 fprintf(fp
, ", max_tx_rate %uMbps", max_tx
);
441 fprintf(fp
, ", min_tx_rate %uMbps", min_tx
);
445 if (vf
[IFLA_VF_SPOOFCHK
]) {
446 struct ifla_vf_spoofchk
*vf_spoofchk
=
447 RTA_DATA(vf
[IFLA_VF_SPOOFCHK
]);
449 if (vf_spoofchk
->setting
!= -1)
450 print_bool(PRINT_ANY
,
452 vf_spoofchk
->setting
?
453 ", spoof checking on" : ", spoof checking off",
454 vf_spoofchk
->setting
);
457 if (vf
[IFLA_VF_LINK_STATE
]) {
458 struct ifla_vf_link_state
*vf_linkstate
=
459 RTA_DATA(vf
[IFLA_VF_LINK_STATE
]);
461 if (vf_linkstate
->link_state
== IFLA_VF_LINK_STATE_AUTO
)
462 print_string(PRINT_ANY
,
466 else if (vf_linkstate
->link_state
== IFLA_VF_LINK_STATE_ENABLE
)
467 print_string(PRINT_ANY
,
472 print_string(PRINT_ANY
,
478 if (vf
[IFLA_VF_TRUST
]) {
479 struct ifla_vf_trust
*vf_trust
= RTA_DATA(vf
[IFLA_VF_TRUST
]);
481 if (vf_trust
->setting
!= -1)
482 print_bool(PRINT_ANY
,
484 vf_trust
->setting
? ", trust on" : ", trust off",
488 if (vf
[IFLA_VF_RSS_QUERY_EN
]) {
489 struct ifla_vf_rss_query_en
*rss_query
=
490 RTA_DATA(vf
[IFLA_VF_RSS_QUERY_EN
]);
492 if (rss_query
->setting
!= -1)
493 print_bool(PRINT_ANY
,
495 rss_query
->setting
? ", query_rss on"
500 if (vf
[IFLA_VF_STATS
] && show_stats
)
501 print_vf_stats64(fp
, vf
[IFLA_VF_STATS
]);
504 void print_num(FILE *fp
, unsigned int width
, uint64_t count
)
506 const char *prefix
= "kMGTPE";
507 const unsigned int base
= use_iec
? 1024 : 1000;
510 uint8_t precision
= 2;
513 if (!human_readable
|| count
< base
) {
514 fprintf(fp
, "%-*"PRIu64
" ", width
, count
);
518 /* increase value by a factor of 1000/1024 and print
519 * if result is something a human can read
523 if (count
/ base
< powi
)
531 /* try to guess a good number of digits for precision */
532 for (; precision
> 0; precision
--) {
534 if (count
/ powi
< powj
)
538 snprintf(buf
, sizeof(buf
), "%.*f%c%s", precision
,
539 (double) count
/ powi
, *prefix
, use_iec
? "i" : "");
541 fprintf(fp
, "%-*s ", width
, buf
);
544 static void print_vf_stats64(FILE *fp
, struct rtattr
*vfstats
)
546 struct rtattr
*vf
[IFLA_VF_STATS_MAX
+ 1];
548 if (vfstats
->rta_type
!= IFLA_VF_STATS
) {
549 fprintf(stderr
, "BUG: rta type is %d\n", vfstats
->rta_type
);
553 parse_rtattr_nested(vf
, IFLA_VF_STATS_MAX
, vfstats
);
555 if (is_json_context()) {
556 open_json_object("stats");
559 open_json_object("rx");
560 print_u64(PRINT_JSON
, "bytes", NULL
,
561 rta_getattr_u64(vf
[IFLA_VF_STATS_RX_BYTES
]));
562 print_u64(PRINT_JSON
, "packets", NULL
,
563 rta_getattr_u64(vf
[IFLA_VF_STATS_RX_PACKETS
]));
564 print_u64(PRINT_JSON
, "multicast", NULL
,
565 rta_getattr_u64(vf
[IFLA_VF_STATS_MULTICAST
]));
566 print_u64(PRINT_JSON
, "broadcast", NULL
,
567 rta_getattr_u64(vf
[IFLA_VF_STATS_BROADCAST
]));
568 if (vf
[IFLA_VF_STATS_RX_DROPPED
])
569 print_u64(PRINT_JSON
, "dropped", NULL
,
570 rta_getattr_u64(vf
[IFLA_VF_STATS_RX_DROPPED
]));
574 open_json_object("tx");
575 print_u64(PRINT_JSON
, "tx_bytes", NULL
,
576 rta_getattr_u64(vf
[IFLA_VF_STATS_TX_BYTES
]));
577 print_u64(PRINT_JSON
, "tx_packets", NULL
,
578 rta_getattr_u64(vf
[IFLA_VF_STATS_TX_PACKETS
]));
579 if (vf
[IFLA_VF_STATS_TX_DROPPED
])
580 print_u64(PRINT_JSON
, "dropped", NULL
,
581 rta_getattr_u64(vf
[IFLA_VF_STATS_TX_DROPPED
]));
586 fprintf(fp
, "%s", _SL_
);
587 fprintf(fp
, " RX: bytes packets mcast bcast ");
588 if (vf
[IFLA_VF_STATS_RX_DROPPED
])
589 fprintf(fp
, " dropped ");
590 fprintf(fp
, "%s", _SL_
);
593 print_num(fp
, 10, rta_getattr_u64(vf
[IFLA_VF_STATS_RX_BYTES
]));
594 print_num(fp
, 8, rta_getattr_u64(vf
[IFLA_VF_STATS_RX_PACKETS
]));
595 print_num(fp
, 7, rta_getattr_u64(vf
[IFLA_VF_STATS_MULTICAST
]));
596 print_num(fp
, 7, rta_getattr_u64(vf
[IFLA_VF_STATS_BROADCAST
]));
597 if (vf
[IFLA_VF_STATS_RX_DROPPED
])
598 print_num(fp
, 8, rta_getattr_u64(vf
[IFLA_VF_STATS_RX_DROPPED
]));
601 fprintf(fp
, "%s", _SL_
);
602 fprintf(fp
, " TX: bytes packets ");
603 if (vf
[IFLA_VF_STATS_TX_DROPPED
])
604 fprintf(fp
, " dropped ");
605 fprintf(fp
, "%s", _SL_
);
608 print_num(fp
, 10, rta_getattr_u64(vf
[IFLA_VF_STATS_TX_BYTES
]));
609 print_num(fp
, 8, rta_getattr_u64(vf
[IFLA_VF_STATS_TX_PACKETS
]));
610 if (vf
[IFLA_VF_STATS_TX_DROPPED
])
611 print_num(fp
, 8, rta_getattr_u64(vf
[IFLA_VF_STATS_TX_DROPPED
]));
615 static void __print_link_stats(FILE *fp
, struct rtattr
*tb
[])
617 const struct rtattr
*carrier_changes
= tb
[IFLA_CARRIER_CHANGES
];
618 struct rtnl_link_stats64 _s
, *s
= &_s
;
621 ret
= get_rtnl_link_stats_rta(s
, tb
);
625 if (is_json_context()) {
626 open_json_object((ret
== sizeof(*s
)) ? "stats64" : "stats");
629 open_json_object("rx");
630 print_u64(PRINT_JSON
, "bytes", NULL
, s
->rx_bytes
);
631 print_u64(PRINT_JSON
, "packets", NULL
, s
->rx_packets
);
632 print_u64(PRINT_JSON
, "errors", NULL
, s
->rx_errors
);
633 print_u64(PRINT_JSON
, "dropped", NULL
, s
->rx_dropped
);
634 print_u64(PRINT_JSON
, "over_errors", NULL
, s
->rx_over_errors
);
635 print_u64(PRINT_JSON
, "multicast", NULL
, s
->multicast
);
636 if (s
->rx_compressed
)
637 print_u64(PRINT_JSON
,
638 "compressed", NULL
, s
->rx_compressed
);
641 if (show_stats
> 1) {
642 print_u64(PRINT_JSON
,
644 NULL
, s
->rx_length_errors
);
645 print_u64(PRINT_JSON
,
647 NULL
, s
->rx_crc_errors
);
648 print_u64(PRINT_JSON
,
650 NULL
, s
->rx_frame_errors
);
651 print_u64(PRINT_JSON
,
653 NULL
, s
->rx_fifo_errors
);
654 print_u64(PRINT_JSON
,
656 NULL
, s
->rx_missed_errors
);
658 print_u64(PRINT_JSON
,
659 "nohandler", NULL
, s
->rx_nohandler
);
664 open_json_object("tx");
665 print_u64(PRINT_JSON
, "bytes", NULL
, s
->tx_bytes
);
666 print_u64(PRINT_JSON
, "packets", NULL
, s
->tx_packets
);
667 print_u64(PRINT_JSON
, "errors", NULL
, s
->tx_errors
);
668 print_u64(PRINT_JSON
, "dropped", NULL
, s
->tx_dropped
);
669 print_u64(PRINT_JSON
,
671 NULL
, s
->tx_carrier_errors
);
672 print_u64(PRINT_JSON
, "collisions", NULL
, s
->collisions
);
673 if (s
->tx_compressed
)
674 print_u64(PRINT_JSON
,
675 "compressed", NULL
, s
->tx_compressed
);
678 if (show_stats
> 1) {
679 print_u64(PRINT_JSON
,
681 NULL
, s
->tx_aborted_errors
);
682 print_u64(PRINT_JSON
,
684 NULL
, s
->tx_fifo_errors
);
685 print_u64(PRINT_JSON
,
687 NULL
, s
->tx_window_errors
);
688 print_u64(PRINT_JSON
,
690 NULL
, s
->tx_heartbeat_errors
);
692 print_u64(PRINT_JSON
, "carrier_changes", NULL
,
693 rta_getattr_u32(carrier_changes
));
700 fprintf(fp
, " RX: bytes packets errors dropped overrun mcast %s%s",
701 s
->rx_compressed
? "compressed" : "", _SL_
);
704 print_num(fp
, 10, s
->rx_bytes
);
705 print_num(fp
, 8, s
->rx_packets
);
706 print_num(fp
, 7, s
->rx_errors
);
707 print_num(fp
, 7, s
->rx_dropped
);
708 print_num(fp
, 7, s
->rx_over_errors
);
709 print_num(fp
, 7, s
->multicast
);
710 if (s
->rx_compressed
)
711 print_num(fp
, 7, s
->rx_compressed
);
714 if (show_stats
> 1) {
715 fprintf(fp
, "%s", _SL_
);
716 fprintf(fp
, " RX errors: length crc frame fifo missed%s%s",
717 s
->rx_nohandler
? " nohandler" : "", _SL_
);
719 print_num(fp
, 8, s
->rx_length_errors
);
720 print_num(fp
, 7, s
->rx_crc_errors
);
721 print_num(fp
, 7, s
->rx_frame_errors
);
722 print_num(fp
, 7, s
->rx_fifo_errors
);
723 print_num(fp
, 7, s
->rx_missed_errors
);
725 print_num(fp
, 7, s
->rx_nohandler
);
727 fprintf(fp
, "%s", _SL_
);
730 fprintf(fp
, " TX: bytes packets errors dropped carrier collsns %s%s",
731 s
->tx_compressed
? "compressed" : "", _SL_
);
734 print_num(fp
, 10, s
->tx_bytes
);
735 print_num(fp
, 8, s
->tx_packets
);
736 print_num(fp
, 7, s
->tx_errors
);
737 print_num(fp
, 7, s
->tx_dropped
);
738 print_num(fp
, 7, s
->tx_carrier_errors
);
739 print_num(fp
, 7, s
->collisions
);
740 if (s
->tx_compressed
)
741 print_num(fp
, 7, s
->tx_compressed
);
744 if (show_stats
> 1) {
745 fprintf(fp
, "%s", _SL_
);
746 fprintf(fp
, " TX errors: aborted fifo window heartbeat");
748 fprintf(fp
, " transns");
749 fprintf(fp
, "%s", _SL_
);
752 print_num(fp
, 8, s
->tx_aborted_errors
);
753 print_num(fp
, 7, s
->tx_fifo_errors
);
754 print_num(fp
, 7, s
->tx_window_errors
);
755 print_num(fp
, 7, s
->tx_heartbeat_errors
);
758 rta_getattr_u32(carrier_changes
));
763 static void print_link_stats(FILE *fp
, struct nlmsghdr
*n
)
765 struct ifinfomsg
*ifi
= NLMSG_DATA(n
);
766 struct rtattr
*tb
[IFLA_MAX
+1];
768 parse_rtattr(tb
, IFLA_MAX
, IFLA_RTA(ifi
),
769 n
->nlmsg_len
- NLMSG_LENGTH(sizeof(*ifi
)));
770 __print_link_stats(fp
, tb
);
774 static int print_linkinfo_brief(FILE *fp
, const char *name
,
775 const struct ifinfomsg
*ifi
,
778 unsigned int m_flag
= 0;
780 m_flag
= print_name_and_link("%-16s ", name
, tb
);
782 if (tb
[IFLA_OPERSTATE
])
783 print_operstate(fp
, rta_getattr_u8(tb
[IFLA_OPERSTATE
]));
785 if (filter
.family
== AF_PACKET
) {
788 if (tb
[IFLA_ADDRESS
]) {
789 print_color_string(PRINT_ANY
, COLOR_MAC
,
792 RTA_DATA(tb
[IFLA_ADDRESS
]),
793 RTA_PAYLOAD(tb
[IFLA_ADDRESS
]),
799 if (filter
.family
== AF_PACKET
) {
800 print_link_flags(fp
, ifi
->ifi_flags
, m_flag
);
801 print_string(PRINT_FP
, NULL
, "%s", "\n");
808 static const char *link_events
[] = {
809 [IFLA_EVENT_NONE
] = "NONE",
810 [IFLA_EVENT_REBOOT
] = "REBOOT",
811 [IFLA_EVENT_FEATURES
] = "FEATURE CHANGE",
812 [IFLA_EVENT_BONDING_FAILOVER
] = "BONDING FAILOVER",
813 [IFLA_EVENT_NOTIFY_PEERS
] = "NOTIFY PEERS",
814 [IFLA_EVENT_IGMP_RESEND
] = "RESEND IGMP",
815 [IFLA_EVENT_BONDING_OPTIONS
] = "BONDING OPTION"
818 static void print_link_event(FILE *f
, __u32 event
)
820 if (event
>= ARRAY_SIZE(link_events
))
821 print_int(PRINT_ANY
, "event", "event %d ", event
);
824 print_string(PRINT_ANY
,
825 "event", "event %s ",
830 int print_linkinfo(struct nlmsghdr
*n
, void *arg
)
832 FILE *fp
= (FILE *)arg
;
833 struct ifinfomsg
*ifi
= NLMSG_DATA(n
);
834 struct rtattr
*tb
[IFLA_MAX
+1];
835 int len
= n
->nlmsg_len
;
837 unsigned int m_flag
= 0;
840 if (n
->nlmsg_type
!= RTM_NEWLINK
&& n
->nlmsg_type
!= RTM_DELLINK
)
843 len
-= NLMSG_LENGTH(sizeof(*ifi
));
847 if (filter
.ifindex
&& ifi
->ifi_index
!= filter
.ifindex
)
849 if (filter
.up
&& !(ifi
->ifi_flags
&IFF_UP
))
852 parse_rtattr(tb
, IFLA_MAX
, IFLA_RTA(ifi
), len
);
854 name
= get_ifname_rta(ifi
->ifi_index
, tb
[IFLA_IFNAME
]);
861 if (tb
[IFLA_GROUP
]) {
862 int group
= rta_getattr_u32(tb
[IFLA_GROUP
]);
864 if (filter
.group
!= -1 && group
!= filter
.group
)
868 if (tb
[IFLA_MASTER
]) {
869 int master
= rta_getattr_u32(tb
[IFLA_MASTER
]);
871 if (filter
.master
> 0 && master
!= filter
.master
)
873 } else if (filter
.master
> 0)
876 if (filter
.kind
&& match_link_kind(tb
, filter
.kind
, 0))
879 if (filter
.slave_kind
&& match_link_kind(tb
, filter
.slave_kind
, 1))
882 if (n
->nlmsg_type
== RTM_DELLINK
)
883 print_bool(PRINT_ANY
, "deleted", "Deleted ", true);
886 return print_linkinfo_brief(fp
, name
, ifi
, tb
);
888 print_int(PRINT_ANY
, "ifindex", "%d: ", ifi
->ifi_index
);
890 m_flag
= print_name_and_link("%s: ", name
, tb
);
891 print_link_flags(fp
, ifi
->ifi_flags
, m_flag
);
896 rta_getattr_u32(tb
[IFLA_MTU
]));
898 xdp_dump(fp
, tb
[IFLA_XDP
], do_link
, false);
900 print_string(PRINT_ANY
,
903 rta_getattr_str(tb
[IFLA_QDISC
]));
904 if (tb
[IFLA_MASTER
]) {
905 int master
= rta_getattr_u32(tb
[IFLA_MASTER
]);
907 print_string(PRINT_ANY
,
908 "master", "master %s ",
909 ll_index_to_name(master
));
912 if (tb
[IFLA_OPERSTATE
])
913 print_operstate(fp
, rta_getattr_u8(tb
[IFLA_OPERSTATE
]));
915 if (do_link
&& tb
[IFLA_LINKMODE
])
916 print_linkmode(fp
, tb
[IFLA_LINKMODE
]);
918 if (tb
[IFLA_GROUP
]) {
919 int group
= rta_getattr_u32(tb
[IFLA_GROUP
]);
921 print_string(PRINT_ANY
,
924 rtnl_group_n2a(group
, b1
, sizeof(b1
)));
927 if (filter
.showqueue
)
928 print_queuelen(fp
, tb
);
931 print_link_event(fp
, rta_getattr_u32(tb
[IFLA_EVENT
]));
933 if (!filter
.family
|| filter
.family
== AF_PACKET
|| show_details
) {
935 print_string(PRINT_ANY
,
938 ll_type_n2a(ifi
->ifi_type
, b1
, sizeof(b1
)));
939 if (tb
[IFLA_ADDRESS
]) {
940 print_color_string(PRINT_ANY
,
944 ll_addr_n2a(RTA_DATA(tb
[IFLA_ADDRESS
]),
945 RTA_PAYLOAD(tb
[IFLA_ADDRESS
]),
949 if (tb
[IFLA_BROADCAST
]) {
950 if (ifi
->ifi_flags
&IFF_POINTOPOINT
) {
951 print_string(PRINT_FP
, NULL
, " peer ", NULL
);
952 print_bool(PRINT_JSON
,
953 "link_pointtopoint", NULL
, true);
955 print_string(PRINT_FP
, NULL
, " brd ", NULL
);
957 print_color_string(PRINT_ANY
,
961 ll_addr_n2a(RTA_DATA(tb
[IFLA_BROADCAST
]),
962 RTA_PAYLOAD(tb
[IFLA_BROADCAST
]),
968 if (tb
[IFLA_LINK_NETNSID
]) {
969 int id
= rta_getattr_u32(tb
[IFLA_LINK_NETNSID
]);
971 if (is_json_context()) {
972 print_int(PRINT_JSON
, "link_netnsid", NULL
, id
);
975 char *name
= get_name_from_nsid(id
);
978 print_string(PRINT_FP
, NULL
,
979 " link-netns %s", name
);
981 print_int(PRINT_FP
, NULL
,
982 " link-netnsid %d", id
);
984 print_string(PRINT_FP
, NULL
,
985 " link-netnsid %s", "unknown");
989 if (tb
[IFLA_NEW_NETNSID
]) {
990 int id
= rta_getattr_u32(tb
[IFLA_NEW_NETNSID
]);
991 char *name
= get_name_from_nsid(id
);
994 print_string(PRINT_FP
, NULL
, " new-netns %s", name
);
996 print_int(PRINT_FP
, NULL
, " new-netnsid %d", id
);
998 if (tb
[IFLA_NEW_IFINDEX
]) {
999 int id
= rta_getattr_u32(tb
[IFLA_NEW_IFINDEX
]);
1001 print_int(PRINT_FP
, NULL
, " new-ifindex %d", id
);
1004 if (tb
[IFLA_PROTO_DOWN
]) {
1005 if (rta_getattr_u8(tb
[IFLA_PROTO_DOWN
]))
1006 print_bool(PRINT_ANY
,
1007 "proto_down", " protodown on ", true);
1011 if (tb
[IFLA_PROMISCUITY
])
1012 print_uint(PRINT_ANY
,
1015 rta_getattr_u32(tb
[IFLA_PROMISCUITY
]));
1017 if (tb
[IFLA_MIN_MTU
])
1018 print_uint(PRINT_ANY
,
1019 "min_mtu", "minmtu %u ",
1020 rta_getattr_u32(tb
[IFLA_MIN_MTU
]));
1022 if (tb
[IFLA_MAX_MTU
])
1023 print_uint(PRINT_ANY
,
1024 "max_mtu", "maxmtu %u ",
1025 rta_getattr_u32(tb
[IFLA_MAX_MTU
]));
1027 if (tb
[IFLA_LINKINFO
])
1028 print_linktype(fp
, tb
[IFLA_LINKINFO
]);
1030 if (do_link
&& tb
[IFLA_AF_SPEC
])
1031 print_af_spec(fp
, tb
[IFLA_AF_SPEC
]);
1033 if (tb
[IFLA_NUM_TX_QUEUES
])
1034 print_uint(PRINT_ANY
,
1037 rta_getattr_u32(tb
[IFLA_NUM_TX_QUEUES
]));
1039 if (tb
[IFLA_NUM_RX_QUEUES
])
1040 print_uint(PRINT_ANY
,
1043 rta_getattr_u32(tb
[IFLA_NUM_RX_QUEUES
]));
1045 if (tb
[IFLA_GSO_MAX_SIZE
])
1046 print_uint(PRINT_ANY
,
1049 rta_getattr_u32(tb
[IFLA_GSO_MAX_SIZE
]));
1051 if (tb
[IFLA_GSO_MAX_SEGS
])
1052 print_uint(PRINT_ANY
,
1055 rta_getattr_u32(tb
[IFLA_GSO_MAX_SEGS
]));
1057 if (tb
[IFLA_PHYS_PORT_NAME
])
1058 print_string(PRINT_ANY
,
1061 rta_getattr_str(tb
[IFLA_PHYS_PORT_NAME
]));
1063 if (tb
[IFLA_PHYS_PORT_ID
]) {
1064 print_string(PRINT_ANY
,
1068 RTA_DATA(tb
[IFLA_PHYS_PORT_ID
]),
1069 RTA_PAYLOAD(tb
[IFLA_PHYS_PORT_ID
]),
1073 if (tb
[IFLA_PHYS_SWITCH_ID
]) {
1074 print_string(PRINT_ANY
,
1077 hexstring_n2a(RTA_DATA(tb
[IFLA_PHYS_SWITCH_ID
]),
1078 RTA_PAYLOAD(tb
[IFLA_PHYS_SWITCH_ID
]),
1083 if ((do_link
|| show_details
) && tb
[IFLA_IFALIAS
]) {
1084 print_string(PRINT_FP
, NULL
, "%s ", _SL_
);
1085 print_string(PRINT_ANY
,
1088 rta_getattr_str(tb
[IFLA_IFALIAS
]));
1091 if ((do_link
|| show_details
) && tb
[IFLA_XDP
])
1092 xdp_dump(fp
, tb
[IFLA_XDP
], true, true);
1094 if (do_link
&& show_stats
) {
1096 __print_link_stats(fp
, tb
);
1099 if ((do_link
|| show_details
) && tb
[IFLA_VFINFO_LIST
] && tb
[IFLA_NUM_VF
]) {
1100 struct rtattr
*i
, *vflist
= tb
[IFLA_VFINFO_LIST
];
1101 int rem
= RTA_PAYLOAD(vflist
);
1103 open_json_array(PRINT_JSON
, "vfinfo_list");
1104 for (i
= RTA_DATA(vflist
); RTA_OK(i
, rem
); i
= RTA_NEXT(i
, rem
)) {
1105 open_json_object(NULL
);
1106 print_vfinfo(fp
, i
);
1107 close_json_object();
1109 close_json_array(PRINT_JSON
, NULL
);
1112 print_string(PRINT_FP
, NULL
, "%s", "\n");
1117 static int flush_update(void)
1121 * Note that the kernel may delete multiple addresses for one
1122 * delete request (e.g. if ipv4 address promotion is disabled).
1123 * Since a flush operation is really a series of delete requests
1124 * its possible that we may request an address delete that has
1125 * already been done by the kernel. Therefore, ignore EADDRNOTAVAIL
1126 * errors returned from a flush request
1128 if ((rtnl_send_check(&rth
, filter
.flushb
, filter
.flushp
) < 0) &&
1129 (errno
!= EADDRNOTAVAIL
)) {
1130 perror("Failed to send flush request");
1137 static int set_lifetime(unsigned int *lifetime
, char *argv
)
1139 if (strcmp(argv
, "forever") == 0)
1140 *lifetime
= INFINITY_LIFE_TIME
;
1141 else if (get_u32(lifetime
, argv
, 0))
1147 static unsigned int get_ifa_flags(struct ifaddrmsg
*ifa
,
1148 struct rtattr
*ifa_flags_attr
)
1150 return ifa_flags_attr
? rta_getattr_u32(ifa_flags_attr
) :
1154 /* Mapping from argument to address flag mask */
1155 static const struct {
1157 unsigned long value
;
1158 } ifa_flag_names
[] = {
1159 { "secondary", IFA_F_SECONDARY
},
1160 { "temporary", IFA_F_SECONDARY
},
1161 { "nodad", IFA_F_NODAD
},
1162 { "optimistic", IFA_F_OPTIMISTIC
},
1163 { "dadfailed", IFA_F_DADFAILED
},
1164 { "home", IFA_F_HOMEADDRESS
},
1165 { "deprecated", IFA_F_DEPRECATED
},
1166 { "tentative", IFA_F_TENTATIVE
},
1167 { "permanent", IFA_F_PERMANENT
},
1168 { "mngtmpaddr", IFA_F_MANAGETEMPADDR
},
1169 { "noprefixroute", IFA_F_NOPREFIXROUTE
},
1170 { "autojoin", IFA_F_MCAUTOJOIN
},
1171 { "stable-privacy", IFA_F_STABLE_PRIVACY
},
1174 static void print_ifa_flags(FILE *fp
, const struct ifaddrmsg
*ifa
,
1179 for (i
= 0; i
< ARRAY_SIZE(ifa_flag_names
); i
++) {
1180 unsigned long mask
= ifa_flag_names
[i
].value
;
1182 if (mask
== IFA_F_PERMANENT
) {
1183 if (!(flags
& mask
))
1184 print_bool(PRINT_ANY
,
1185 "dynamic", "dynamic ", true);
1186 } else if (flags
& mask
) {
1187 if (mask
== IFA_F_SECONDARY
&&
1188 ifa
->ifa_family
== AF_INET6
) {
1189 print_bool(PRINT_ANY
,
1190 "temporary", "temporary ", true);
1192 print_string(PRINT_FP
, NULL
,
1193 "%s ", ifa_flag_names
[i
].name
);
1194 print_bool(PRINT_JSON
,
1195 ifa_flag_names
[i
].name
, NULL
, true);
1203 if (is_json_context()) {
1206 snprintf(b1
, sizeof(b1
), "%02x", flags
);
1207 print_string(PRINT_JSON
, "ifa_flags", NULL
, b1
);
1209 fprintf(fp
, "flags %02x ", flags
);
1215 static int get_filter(const char *arg
)
1220 if (arg
[0] == '-') {
1226 if (strcmp(arg
, "dynamic") == 0) {
1229 } else if (strcmp(arg
, "primary") == 0) {
1234 for (i
= 0; i
< ARRAY_SIZE(ifa_flag_names
); i
++) {
1235 if (strcmp(arg
, ifa_flag_names
[i
].name
))
1239 filter
.flags
&= ~ifa_flag_names
[i
].value
;
1241 filter
.flags
|= ifa_flag_names
[i
].value
;
1242 filter
.flagmask
|= ifa_flag_names
[i
].value
;
1248 static int ifa_label_match_rta(int ifindex
, const struct rtattr
*rta
)
1256 label
= RTA_DATA(rta
);
1258 label
= ll_index_to_name(ifindex
);
1260 return fnmatch(filter
.label
, label
, 0);
1263 int print_addrinfo(struct nlmsghdr
*n
, void *arg
)
1266 struct ifaddrmsg
*ifa
= NLMSG_DATA(n
);
1267 int len
= n
->nlmsg_len
;
1268 unsigned int ifa_flags
;
1269 struct rtattr
*rta_tb
[IFA_MAX
+1];
1273 if (n
->nlmsg_type
!= RTM_NEWADDR
&& n
->nlmsg_type
!= RTM_DELADDR
)
1275 len
-= NLMSG_LENGTH(sizeof(*ifa
));
1277 fprintf(stderr
, "BUG: wrong nlmsg len %d\n", len
);
1281 if (filter
.flushb
&& n
->nlmsg_type
!= RTM_NEWADDR
)
1284 parse_rtattr(rta_tb
, IFA_MAX
, IFA_RTA(ifa
),
1285 n
->nlmsg_len
- NLMSG_LENGTH(sizeof(*ifa
)));
1287 ifa_flags
= get_ifa_flags(ifa
, rta_tb
[IFA_FLAGS
]);
1289 if (!rta_tb
[IFA_LOCAL
])
1290 rta_tb
[IFA_LOCAL
] = rta_tb
[IFA_ADDRESS
];
1291 if (!rta_tb
[IFA_ADDRESS
])
1292 rta_tb
[IFA_ADDRESS
] = rta_tb
[IFA_LOCAL
];
1294 if (filter
.ifindex
&& filter
.ifindex
!= ifa
->ifa_index
)
1296 if ((filter
.scope
^ifa
->ifa_scope
)&filter
.scopemask
)
1298 if ((filter
.flags
^ ifa_flags
) & filter
.flagmask
)
1301 if (filter
.family
&& filter
.family
!= ifa
->ifa_family
)
1304 if (ifa_label_match_rta(ifa
->ifa_index
, rta_tb
[IFA_LABEL
]))
1307 if (inet_addr_match_rta(&filter
.pfx
, rta_tb
[IFA_LOCAL
]))
1310 if (filter
.flushb
) {
1311 struct nlmsghdr
*fn
;
1313 if (NLMSG_ALIGN(filter
.flushp
) + n
->nlmsg_len
> filter
.flushe
) {
1317 fn
= (struct nlmsghdr
*)(filter
.flushb
+ NLMSG_ALIGN(filter
.flushp
));
1318 memcpy(fn
, n
, n
->nlmsg_len
);
1319 fn
->nlmsg_type
= RTM_DELADDR
;
1320 fn
->nlmsg_flags
= NLM_F_REQUEST
;
1321 fn
->nlmsg_seq
= ++rth
.seq
;
1322 filter
.flushp
= (((char *)fn
) + n
->nlmsg_len
) - filter
.flushb
;
1328 if (n
->nlmsg_type
== RTM_DELADDR
)
1329 print_bool(PRINT_ANY
, "deleted", "Deleted ", true);
1334 if (filter
.oneline
|| filter
.flushb
) {
1335 const char *dev
= ll_index_to_name(ifa
->ifa_index
);
1337 if (is_json_context()) {
1338 print_int(PRINT_JSON
,
1339 "index", NULL
, ifa
->ifa_index
);
1340 print_string(PRINT_JSON
, "dev", NULL
, dev
);
1342 fprintf(fp
, "%u: %s", ifa
->ifa_index
, dev
);
1346 name
= family_name(ifa
->ifa_family
);
1348 print_string(PRINT_ANY
, "family", " %s ", name
);
1350 print_int(PRINT_ANY
, "family_index", " family %d ",
1355 if (rta_tb
[IFA_LOCAL
]) {
1356 print_color_string(PRINT_ANY
,
1357 ifa_family_color(ifa
->ifa_family
),
1359 format_host_rta(ifa
->ifa_family
,
1360 rta_tb
[IFA_LOCAL
]));
1361 if (rta_tb
[IFA_ADDRESS
] &&
1362 memcmp(RTA_DATA(rta_tb
[IFA_ADDRESS
]),
1363 RTA_DATA(rta_tb
[IFA_LOCAL
]),
1364 ifa
->ifa_family
== AF_INET
? 4 : 16)) {
1365 print_string(PRINT_FP
, NULL
, " %s ", "peer");
1366 print_color_string(PRINT_ANY
,
1367 ifa_family_color(ifa
->ifa_family
),
1370 format_host_rta(ifa
->ifa_family
,
1371 rta_tb
[IFA_ADDRESS
]));
1373 print_int(PRINT_ANY
, "prefixlen", "/%d ", ifa
->ifa_prefixlen
);
1375 if (rta_tb
[IFA_RT_PRIORITY
])
1376 print_uint(PRINT_ANY
, "metric", "metric %u ",
1377 rta_getattr_u32(rta_tb
[IFA_RT_PRIORITY
]));
1383 if (rta_tb
[IFA_BROADCAST
]) {
1384 print_string(PRINT_FP
, NULL
, "%s ", "brd");
1385 print_color_string(PRINT_ANY
,
1386 ifa_family_color(ifa
->ifa_family
),
1389 format_host_rta(ifa
->ifa_family
,
1390 rta_tb
[IFA_BROADCAST
]));
1393 if (rta_tb
[IFA_ANYCAST
]) {
1394 print_string(PRINT_FP
, NULL
, "%s ", "any");
1395 print_color_string(PRINT_ANY
,
1396 ifa_family_color(ifa
->ifa_family
),
1399 format_host_rta(ifa
->ifa_family
,
1400 rta_tb
[IFA_ANYCAST
]));
1403 print_string(PRINT_ANY
,
1406 rtnl_rtscope_n2a(ifa
->ifa_scope
, b1
, sizeof(b1
)));
1408 print_ifa_flags(fp
, ifa
, ifa_flags
);
1410 if (rta_tb
[IFA_LABEL
])
1411 print_string(PRINT_ANY
,
1414 rta_getattr_str(rta_tb
[IFA_LABEL
]));
1416 if (rta_tb
[IFA_CACHEINFO
]) {
1417 struct ifa_cacheinfo
*ci
= RTA_DATA(rta_tb
[IFA_CACHEINFO
]);
1420 print_string(PRINT_FP
, NULL
, " valid_lft ", NULL
);
1422 if (ci
->ifa_valid
== INFINITY_LIFE_TIME
) {
1423 print_uint(PRINT_JSON
,
1425 NULL
, INFINITY_LIFE_TIME
);
1426 print_string(PRINT_FP
, NULL
, "%s", "forever");
1428 print_uint(PRINT_ANY
,
1429 "valid_life_time", "%usec", ci
->ifa_valid
);
1432 print_string(PRINT_FP
, NULL
, " preferred_lft ", NULL
);
1433 if (ci
->ifa_prefered
== INFINITY_LIFE_TIME
) {
1434 print_uint(PRINT_JSON
,
1435 "preferred_life_time",
1436 NULL
, INFINITY_LIFE_TIME
);
1437 print_string(PRINT_FP
, NULL
, "%s", "forever");
1439 if (ifa_flags
& IFA_F_DEPRECATED
)
1440 print_int(PRINT_ANY
,
1441 "preferred_life_time",
1445 print_uint(PRINT_ANY
,
1446 "preferred_life_time",
1451 print_string(PRINT_FP
, NULL
, "%s", "\n");
1457 static int print_selected_addrinfo(struct ifinfomsg
*ifi
,
1458 struct nlmsg_list
*ainfo
, FILE *fp
)
1460 open_json_array(PRINT_JSON
, "addr_info");
1461 for ( ; ainfo
; ainfo
= ainfo
->next
) {
1462 struct nlmsghdr
*n
= &ainfo
->h
;
1463 struct ifaddrmsg
*ifa
= NLMSG_DATA(n
);
1465 if (n
->nlmsg_type
!= RTM_NEWADDR
)
1468 if (n
->nlmsg_len
< NLMSG_LENGTH(sizeof(*ifa
)))
1471 if (ifa
->ifa_index
!= ifi
->ifi_index
||
1472 (filter
.family
&& filter
.family
!= ifa
->ifa_family
))
1475 if (filter
.up
&& !(ifi
->ifi_flags
&IFF_UP
))
1478 open_json_object(NULL
);
1479 print_addrinfo(n
, fp
);
1480 close_json_object();
1482 close_json_array(PRINT_JSON
, NULL
);
1485 print_string(PRINT_FP
, NULL
, "%s", "\n");
1492 static int store_nlmsg(struct nlmsghdr
*n
, void *arg
)
1494 struct nlmsg_chain
*lchain
= (struct nlmsg_chain
*)arg
;
1495 struct nlmsg_list
*h
;
1497 h
= malloc(n
->nlmsg_len
+sizeof(void *));
1501 memcpy(&h
->h
, n
, n
->nlmsg_len
);
1505 lchain
->tail
->next
= h
;
1510 ll_remember_index(n
, NULL
);
1514 static __u32 ipadd_dump_magic
= 0x47361222;
1516 static int ipadd_save_prep(void)
1520 if (isatty(STDOUT_FILENO
)) {
1521 fprintf(stderr
, "Not sending a binary stream to stdout\n");
1525 ret
= write(STDOUT_FILENO
, &ipadd_dump_magic
, sizeof(ipadd_dump_magic
));
1526 if (ret
!= sizeof(ipadd_dump_magic
)) {
1527 fprintf(stderr
, "Can't write magic to dump file\n");
1534 static int ipadd_dump_check_magic(void)
1539 if (isatty(STDIN_FILENO
)) {
1540 fprintf(stderr
, "Can't restore address dump from a terminal\n");
1544 ret
= fread(&magic
, sizeof(magic
), 1, stdin
);
1545 if (magic
!= ipadd_dump_magic
) {
1546 fprintf(stderr
, "Magic mismatch (%d elems, %x magic)\n", ret
, magic
);
1553 static int save_nlmsg(struct nlmsghdr
*n
, void *arg
)
1557 ret
= write(STDOUT_FILENO
, n
, n
->nlmsg_len
);
1558 if ((ret
> 0) && (ret
!= n
->nlmsg_len
)) {
1559 fprintf(stderr
, "Short write while saving nlmsg\n");
1563 return ret
== n
->nlmsg_len
? 0 : ret
;
1566 static int show_handler(struct rtnl_ctrl_data
*ctrl
,
1567 struct nlmsghdr
*n
, void *arg
)
1569 struct ifaddrmsg
*ifa
= NLMSG_DATA(n
);
1571 open_json_object(NULL
);
1572 print_int(PRINT_ANY
, "index", "if%d:\n", ifa
->ifa_index
);
1573 print_addrinfo(n
, stdout
);
1574 close_json_object();
1578 static int ipaddr_showdump(void)
1582 if (ipadd_dump_check_magic())
1586 open_json_object(NULL
);
1587 open_json_array(PRINT_JSON
, "addr_info");
1589 err
= rtnl_from_file(stdin
, &show_handler
, NULL
);
1591 close_json_array(PRINT_JSON
, NULL
);
1592 close_json_object();
1598 static int restore_handler(struct rtnl_ctrl_data
*ctrl
,
1599 struct nlmsghdr
*n
, void *arg
)
1603 n
->nlmsg_flags
|= NLM_F_REQUEST
| NLM_F_CREATE
| NLM_F_ACK
;
1607 ret
= rtnl_talk(&rth
, n
, NULL
);
1608 if ((ret
< 0) && (errno
== EEXIST
))
1614 static int ipaddr_restore(void)
1616 if (ipadd_dump_check_magic())
1619 exit(rtnl_from_file(stdin
, &restore_handler
, NULL
));
1622 void free_nlmsg_chain(struct nlmsg_chain
*info
)
1624 struct nlmsg_list
*l
, *n
;
1626 for (l
= info
->head
; l
; l
= n
) {
1632 static void ipaddr_filter(struct nlmsg_chain
*linfo
, struct nlmsg_chain
*ainfo
)
1634 struct nlmsg_list
*l
, **lp
;
1637 while ((l
= *lp
) != NULL
) {
1639 int missing_net_address
= 1;
1640 struct ifinfomsg
*ifi
= NLMSG_DATA(&l
->h
);
1641 struct nlmsg_list
*a
;
1643 for (a
= ainfo
->head
; a
; a
= a
->next
) {
1644 struct nlmsghdr
*n
= &a
->h
;
1645 struct ifaddrmsg
*ifa
= NLMSG_DATA(n
);
1646 struct rtattr
*tb
[IFA_MAX
+ 1];
1647 unsigned int ifa_flags
;
1649 if (ifa
->ifa_index
!= ifi
->ifi_index
)
1651 missing_net_address
= 0;
1652 if (filter
.family
&& filter
.family
!= ifa
->ifa_family
)
1654 if ((filter
.scope
^ifa
->ifa_scope
)&filter
.scopemask
)
1657 parse_rtattr(tb
, IFA_MAX
, IFA_RTA(ifa
), IFA_PAYLOAD(n
));
1658 ifa_flags
= get_ifa_flags(ifa
, tb
[IFA_FLAGS
]);
1660 if ((filter
.flags
^ ifa_flags
) & filter
.flagmask
)
1663 if (ifa_label_match_rta(ifa
->ifa_index
, tb
[IFA_LABEL
]))
1667 tb
[IFA_LOCAL
] = tb
[IFA_ADDRESS
];
1668 if (inet_addr_match_rta(&filter
.pfx
, tb
[IFA_LOCAL
]))
1674 if (missing_net_address
&&
1675 (filter
.family
== AF_UNSPEC
|| filter
.family
== AF_PACKET
))
1685 static int ipaddr_dump_filter(struct nlmsghdr
*nlh
, int reqlen
)
1687 struct ifaddrmsg
*ifa
= NLMSG_DATA(nlh
);
1689 ifa
->ifa_index
= filter
.ifindex
;
1694 static int ipaddr_flush(void)
1697 char flushb
[4096-512];
1699 filter
.flushb
= flushb
;
1701 filter
.flushe
= sizeof(flushb
);
1703 while ((max_flush_loops
== 0) || (round
< max_flush_loops
)) {
1704 if (rtnl_addrdump_req(&rth
, filter
.family
,
1705 ipaddr_dump_filter
) < 0) {
1706 perror("Cannot send dump request");
1710 if (rtnl_dump_filter_nc(&rth
, print_addrinfo
,
1711 stdout
, NLM_F_DUMP_INTR
) < 0) {
1712 fprintf(stderr
, "Flush terminated\n");
1715 if (filter
.flushed
== 0) {
1719 printf("Nothing to flush.\n");
1721 printf("*** Flush is complete after %d round%s ***\n", round
, round
> 1?"s":"");
1727 if (flush_update() < 0)
1731 printf("\n*** Round %d, deleting %d addresses ***\n", round
, filter
.flushed
);
1735 /* If we are flushing, and specifying primary, then we
1736 * want to flush only a single round. Otherwise, we'll
1737 * start flushing secondaries that were promoted to
1740 if (!(filter
.flags
& IFA_F_SECONDARY
) && (filter
.flagmask
& IFA_F_SECONDARY
))
1743 fprintf(stderr
, "*** Flush remains incomplete after %d rounds. ***\n", max_flush_loops
);
1748 static int iplink_filter_req(struct nlmsghdr
*nlh
, int reqlen
)
1752 err
= addattr32(nlh
, reqlen
, IFLA_EXT_MASK
, RTEXT_FILTER_VF
);
1756 if (filter
.master
) {
1757 err
= addattr32(nlh
, reqlen
, IFLA_MASTER
, filter
.master
);
1763 struct rtattr
*linkinfo
;
1765 linkinfo
= addattr_nest(nlh
, reqlen
, IFLA_LINKINFO
);
1767 err
= addattr_l(nlh
, reqlen
, IFLA_INFO_KIND
, filter
.kind
,
1768 strlen(filter
.kind
));
1772 addattr_nest_end(nlh
, linkinfo
);
1778 static int ipaddr_link_get(int index
, struct nlmsg_chain
*linfo
)
1780 struct iplink_req req
= {
1781 .n
.nlmsg_len
= NLMSG_LENGTH(sizeof(struct ifinfomsg
)),
1782 .n
.nlmsg_flags
= NLM_F_REQUEST
,
1783 .n
.nlmsg_type
= RTM_GETLINK
,
1784 .i
.ifi_family
= filter
.family
,
1785 .i
.ifi_index
= index
,
1787 __u32 filt_mask
= RTEXT_FILTER_VF
;
1788 struct nlmsghdr
*answer
;
1791 filt_mask
|= RTEXT_FILTER_SKIP_STATS
;
1793 addattr32(&req
.n
, sizeof(req
), IFLA_EXT_MASK
, filt_mask
);
1795 if (rtnl_talk(&rth
, &req
.n
, &answer
) < 0) {
1796 perror("Cannot send link request");
1800 if (store_nlmsg(answer
, linfo
) < 0) {
1801 fprintf(stderr
, "Failed to process link information\n");
1808 /* fills in linfo with link data and optionally ainfo with address info
1809 * caller can walk lists as desired and must call free_nlmsg_chain for
1812 int ip_link_list(req_filter_fn_t filter_fn
, struct nlmsg_chain
*linfo
)
1814 if (rtnl_linkdump_req_filter_fn(&rth
, preferred_family
,
1816 perror("Cannot send dump request");
1820 if (rtnl_dump_filter(&rth
, store_nlmsg
, linfo
) < 0) {
1821 fprintf(stderr
, "Dump terminated\n");
1828 static int ip_addr_list(struct nlmsg_chain
*ainfo
)
1830 if (rtnl_addrdump_req(&rth
, filter
.family
, ipaddr_dump_filter
) < 0) {
1831 perror("Cannot send dump request");
1835 if (rtnl_dump_filter(&rth
, store_nlmsg
, ainfo
) < 0) {
1836 fprintf(stderr
, "Dump terminated\n");
1843 static int ipaddr_list_flush_or_save(int argc
, char **argv
, int action
)
1845 struct nlmsg_chain linfo
= { NULL
, NULL
};
1846 struct nlmsg_chain _ainfo
= { NULL
, NULL
}, *ainfo
= &_ainfo
;
1847 struct nlmsg_list
*l
;
1848 char *filter_dev
= NULL
;
1851 ipaddr_reset_filter(oneline
, 0);
1852 filter
.showqueue
= 1;
1853 filter
.family
= preferred_family
;
1855 if (action
== IPADD_FLUSH
) {
1857 fprintf(stderr
, "Flush requires arguments.\n");
1861 if (filter
.family
== AF_PACKET
) {
1862 fprintf(stderr
, "Cannot flush link addresses.\n");
1868 if (strcmp(*argv
, "to") == 0) {
1870 if (get_prefix(&filter
.pfx
, *argv
, filter
.family
))
1871 invarg("invalid \"to\"\n", *argv
);
1872 if (filter
.family
== AF_UNSPEC
)
1873 filter
.family
= filter
.pfx
.family
;
1874 } else if (strcmp(*argv
, "scope") == 0) {
1875 unsigned int scope
= 0;
1878 filter
.scopemask
= -1;
1879 if (rtnl_rtscope_a2n(&scope
, *argv
)) {
1880 if (strcmp(*argv
, "all") != 0)
1881 invarg("invalid \"scope\"\n", *argv
);
1882 scope
= RT_SCOPE_NOWHERE
;
1883 filter
.scopemask
= 0;
1885 filter
.scope
= scope
;
1886 } else if (strcmp(*argv
, "up") == 0) {
1888 } else if (get_filter(*argv
) == 0) {
1890 } else if (strcmp(*argv
, "label") == 0) {
1892 filter
.label
= *argv
;
1893 } else if (strcmp(*argv
, "group") == 0) {
1895 if (rtnl_group_a2n(&filter
.group
, *argv
))
1896 invarg("Invalid \"group\" value\n", *argv
);
1897 } else if (strcmp(*argv
, "master") == 0) {
1901 ifindex
= ll_name_to_index(*argv
);
1903 invarg("Device does not exist\n", *argv
);
1904 filter
.master
= ifindex
;
1905 } else if (strcmp(*argv
, "vrf") == 0) {
1909 ifindex
= ll_name_to_index(*argv
);
1911 invarg("Not a valid VRF name\n", *argv
);
1912 if (!name_is_vrf(*argv
))
1913 invarg("Not a valid VRF name\n", *argv
);
1914 filter
.master
= ifindex
;
1915 } else if (strcmp(*argv
, "type") == 0) {
1919 soff
= strlen(*argv
) - strlen("_slave");
1920 if (!strcmp(*argv
+ soff
, "_slave")) {
1921 (*argv
)[soff
] = '\0';
1922 filter
.slave_kind
= *argv
;
1924 filter
.kind
= *argv
;
1927 if (strcmp(*argv
, "dev") == 0)
1929 else if (matches(*argv
, "help") == 0)
1932 duparg2("dev", *argv
);
1939 filter
.ifindex
= ll_name_to_index(filter_dev
);
1940 if (filter
.ifindex
<= 0) {
1941 fprintf(stderr
, "Device \"%s\" does not exist.\n", filter_dev
);
1946 if (action
== IPADD_FLUSH
)
1947 return ipaddr_flush();
1949 if (action
== IPADD_SAVE
) {
1950 if (ipadd_save_prep())
1953 if (rtnl_addrdump_req(&rth
, preferred_family
,
1954 ipaddr_dump_filter
) < 0) {
1955 perror("Cannot send dump request");
1959 if (rtnl_dump_filter(&rth
, save_nlmsg
, stdout
) < 0) {
1960 fprintf(stderr
, "Save terminated\n");
1968 * Initialize a json_writer and open an array object
1969 * if -json was specified.
1974 * If only filter_dev present and none of the other
1975 * link filters are present, use RTM_GETLINK to get
1978 if (filter_dev
&& filter
.group
== -1 && do_link
== 1) {
1979 if (iplink_get(filter_dev
, RTEXT_FILTER_VF
) < 0) {
1980 perror("Cannot send link get request");
1988 if (filter
.ifindex
) {
1989 if (ipaddr_link_get(filter
.ifindex
, &linfo
) != 0)
1992 if (ip_link_list(iplink_filter_req
, &linfo
) != 0)
1996 if (filter
.family
!= AF_PACKET
) {
2000 if (ip_addr_list(ainfo
) != 0)
2003 ipaddr_filter(&linfo
, ainfo
);
2006 for (l
= linfo
.head
; l
; l
= l
->next
) {
2007 struct nlmsghdr
*n
= &l
->h
;
2008 struct ifinfomsg
*ifi
= NLMSG_DATA(n
);
2011 open_json_object(NULL
);
2012 if (brief
|| !no_link
)
2013 res
= print_linkinfo(n
, stdout
);
2014 if (res
>= 0 && filter
.family
!= AF_PACKET
)
2015 print_selected_addrinfo(ifi
, ainfo
->head
, stdout
);
2016 if (res
> 0 && !do_link
&& show_stats
)
2017 print_link_stats(stdout
, n
);
2018 close_json_object();
2023 free_nlmsg_chain(ainfo
);
2024 free_nlmsg_chain(&linfo
);
2030 ipaddr_loop_each_vf(struct rtattr
*tb
[], int vfnum
, int *min
, int *max
)
2032 struct rtattr
*vflist
= tb
[IFLA_VFINFO_LIST
];
2033 struct rtattr
*i
, *vf
[IFLA_VF_MAX
+1];
2034 struct ifla_vf_rate
*vf_rate
;
2037 rem
= RTA_PAYLOAD(vflist
);
2039 for (i
= RTA_DATA(vflist
); RTA_OK(i
, rem
); i
= RTA_NEXT(i
, rem
)) {
2040 parse_rtattr_nested(vf
, IFLA_VF_MAX
, i
);
2042 if (!vf
[IFLA_VF_RATE
]) {
2043 fprintf(stderr
, "VF min/max rate API not supported\n");
2047 vf_rate
= RTA_DATA(vf
[IFLA_VF_RATE
]);
2048 if (vf_rate
->vf
== vfnum
) {
2049 *min
= vf_rate
->min_tx_rate
;
2050 *max
= vf_rate
->max_tx_rate
;
2054 fprintf(stderr
, "Cannot find VF %d\n", vfnum
);
2058 void ipaddr_get_vf_rate(int vfnum
, int *min
, int *max
, const char *dev
)
2060 struct nlmsg_chain linfo
= { NULL
, NULL
};
2061 struct rtattr
*tb
[IFLA_MAX
+1];
2062 struct ifinfomsg
*ifi
;
2063 struct nlmsg_list
*l
;
2067 idx
= ll_name_to_index(dev
);
2069 fprintf(stderr
, "Device %s does not exist\n", dev
);
2073 if (rtnl_linkdump_req(&rth
, AF_UNSPEC
) < 0) {
2074 perror("Cannot send dump request");
2077 if (rtnl_dump_filter(&rth
, store_nlmsg
, &linfo
) < 0) {
2078 fprintf(stderr
, "Dump terminated\n");
2081 for (l
= linfo
.head
; l
; l
= l
->next
) {
2083 ifi
= NLMSG_DATA(n
);
2085 len
= n
->nlmsg_len
- NLMSG_LENGTH(sizeof(*ifi
));
2086 if (len
< 0 || (idx
&& idx
!= ifi
->ifi_index
))
2089 parse_rtattr(tb
, IFLA_MAX
, IFLA_RTA(ifi
), len
);
2091 if ((tb
[IFLA_VFINFO_LIST
] && tb
[IFLA_NUM_VF
])) {
2092 ipaddr_loop_each_vf(tb
, vfnum
, min
, max
);
2098 int ipaddr_list_link(int argc
, char **argv
)
2100 preferred_family
= AF_PACKET
;
2102 return ipaddr_list_flush_or_save(argc
, argv
, IPADD_LIST
);
2105 void ipaddr_reset_filter(int oneline
, int ifindex
)
2107 memset(&filter
, 0, sizeof(filter
));
2108 filter
.oneline
= oneline
;
2109 filter
.ifindex
= ifindex
;
2113 static int default_scope(inet_prefix
*lcl
)
2115 if (lcl
->family
== AF_INET
) {
2116 if (lcl
->bytelen
>= 1 && *(__u8
*)&lcl
->data
== 127)
2117 return RT_SCOPE_HOST
;
2122 static bool ipaddr_is_multicast(inet_prefix
*a
)
2124 if (a
->family
== AF_INET
)
2125 return IN_MULTICAST(ntohl(a
->data
[0]));
2126 else if (a
->family
== AF_INET6
)
2127 return IN6_IS_ADDR_MULTICAST(a
->data
);
2132 static bool is_valid_label(const char *dev
, const char *label
)
2134 size_t len
= strlen(dev
);
2136 if (strncmp(label
, dev
, len
) != 0)
2139 return label
[len
] == '\0' || label
[len
] == ':';
2142 static int ipaddr_modify(int cmd
, int flags
, int argc
, char **argv
)
2146 struct ifaddrmsg ifa
;
2149 .n
.nlmsg_len
= NLMSG_LENGTH(sizeof(struct ifaddrmsg
)),
2150 .n
.nlmsg_flags
= NLM_F_REQUEST
| flags
,
2151 .n
.nlmsg_type
= cmd
,
2152 .ifa
.ifa_family
= preferred_family
,
2156 char *lcl_arg
= NULL
;
2157 char *valid_lftp
= NULL
;
2158 char *preferred_lftp
= NULL
;
2159 inet_prefix lcl
= {};
2166 __u32 preferred_lft
= INFINITY_LIFE_TIME
;
2167 __u32 valid_lft
= INFINITY_LIFE_TIME
;
2168 unsigned int ifa_flags
= 0;
2171 if (strcmp(*argv
, "peer") == 0 ||
2172 strcmp(*argv
, "remote") == 0) {
2176 duparg("peer", *argv
);
2177 get_prefix(&peer
, *argv
, req
.ifa
.ifa_family
);
2178 peer_len
= peer
.bytelen
;
2179 if (req
.ifa
.ifa_family
== AF_UNSPEC
)
2180 req
.ifa
.ifa_family
= peer
.family
;
2181 addattr_l(&req
.n
, sizeof(req
), IFA_ADDRESS
, &peer
.data
, peer
.bytelen
);
2182 req
.ifa
.ifa_prefixlen
= peer
.bitlen
;
2183 } else if (matches(*argv
, "broadcast") == 0 ||
2184 strcmp(*argv
, "brd") == 0) {
2189 duparg("broadcast", *argv
);
2190 if (strcmp(*argv
, "+") == 0)
2192 else if (strcmp(*argv
, "-") == 0)
2195 get_addr(&addr
, *argv
, req
.ifa
.ifa_family
);
2196 if (req
.ifa
.ifa_family
== AF_UNSPEC
)
2197 req
.ifa
.ifa_family
= addr
.family
;
2198 addattr_l(&req
.n
, sizeof(req
), IFA_BROADCAST
, &addr
.data
, addr
.bytelen
);
2199 brd_len
= addr
.bytelen
;
2201 } else if (strcmp(*argv
, "anycast") == 0) {
2206 duparg("anycast", *argv
);
2207 get_addr(&addr
, *argv
, req
.ifa
.ifa_family
);
2208 if (req
.ifa
.ifa_family
== AF_UNSPEC
)
2209 req
.ifa
.ifa_family
= addr
.family
;
2210 addattr_l(&req
.n
, sizeof(req
), IFA_ANYCAST
, &addr
.data
, addr
.bytelen
);
2211 any_len
= addr
.bytelen
;
2212 } else if (strcmp(*argv
, "scope") == 0) {
2213 unsigned int scope
= 0;
2216 if (rtnl_rtscope_a2n(&scope
, *argv
))
2217 invarg("invalid scope value.", *argv
);
2218 req
.ifa
.ifa_scope
= scope
;
2220 } else if (strcmp(*argv
, "dev") == 0) {
2223 } else if (strcmp(*argv
, "label") == 0) {
2226 addattr_l(&req
.n
, sizeof(req
), IFA_LABEL
, l
, strlen(l
)+1);
2227 } else if (matches(*argv
, "metric") == 0 ||
2228 matches(*argv
, "priority") == 0 ||
2229 matches(*argv
, "preference") == 0) {
2233 if (get_u32(&metric
, *argv
, 0))
2234 invarg("\"metric\" value is invalid\n", *argv
);
2235 addattr32(&req
.n
, sizeof(req
), IFA_RT_PRIORITY
, metric
);
2236 } else if (matches(*argv
, "valid_lft") == 0) {
2238 duparg("valid_lft", *argv
);
2241 if (set_lifetime(&valid_lft
, *argv
))
2242 invarg("valid_lft value", *argv
);
2243 } else if (matches(*argv
, "preferred_lft") == 0) {
2245 duparg("preferred_lft", *argv
);
2247 preferred_lftp
= *argv
;
2248 if (set_lifetime(&preferred_lft
, *argv
))
2249 invarg("preferred_lft value", *argv
);
2250 } else if (strcmp(*argv
, "home") == 0) {
2251 ifa_flags
|= IFA_F_HOMEADDRESS
;
2252 } else if (strcmp(*argv
, "nodad") == 0) {
2253 ifa_flags
|= IFA_F_NODAD
;
2254 } else if (strcmp(*argv
, "mngtmpaddr") == 0) {
2255 ifa_flags
|= IFA_F_MANAGETEMPADDR
;
2256 } else if (strcmp(*argv
, "noprefixroute") == 0) {
2257 ifa_flags
|= IFA_F_NOPREFIXROUTE
;
2258 } else if (strcmp(*argv
, "autojoin") == 0) {
2259 ifa_flags
|= IFA_F_MCAUTOJOIN
;
2261 if (strcmp(*argv
, "local") == 0)
2263 if (matches(*argv
, "help") == 0)
2266 duparg2("local", *argv
);
2268 get_prefix(&lcl
, *argv
, req
.ifa
.ifa_family
);
2269 if (req
.ifa
.ifa_family
== AF_UNSPEC
)
2270 req
.ifa
.ifa_family
= lcl
.family
;
2271 addattr_l(&req
.n
, sizeof(req
), IFA_LOCAL
, &lcl
.data
, lcl
.bytelen
);
2272 local_len
= lcl
.bytelen
;
2276 if (ifa_flags
<= 0xff)
2277 req
.ifa
.ifa_flags
= ifa_flags
;
2279 addattr32(&req
.n
, sizeof(req
), IFA_FLAGS
, ifa_flags
);
2282 fprintf(stderr
, "Not enough information: \"dev\" argument is required.\n");
2285 if (l
&& !is_valid_label(d
, l
)) {
2287 "\"label\" (%s) must match \"dev\" (%s) or be prefixed by \"dev\" with a colon.\n",
2292 if (peer_len
== 0 && local_len
) {
2293 if (cmd
== RTM_DELADDR
&& lcl
.family
== AF_INET
&& !(lcl
.flags
& PREFIXLEN_SPECIFIED
)) {
2295 "Warning: Executing wildcard deletion to stay compatible with old scripts.\n"
2296 " Explicitly specify the prefix length (%s/%d) to avoid this warning.\n"
2297 " This special behaviour is likely to disappear in further releases,\n"
2298 " fix your scripts!\n", lcl_arg
, local_len
*8);
2301 addattr_l(&req
.n
, sizeof(req
), IFA_ADDRESS
, &lcl
.data
, lcl
.bytelen
);
2304 if (req
.ifa
.ifa_prefixlen
== 0)
2305 req
.ifa
.ifa_prefixlen
= lcl
.bitlen
;
2307 if (brd_len
< 0 && cmd
!= RTM_DELADDR
) {
2311 if (req
.ifa
.ifa_family
!= AF_INET
) {
2312 fprintf(stderr
, "Broadcast can be set only for IPv4 addresses\n");
2316 if (brd
.bitlen
<= 30) {
2317 for (i
= 31; i
>= brd
.bitlen
; i
--) {
2319 brd
.data
[0] |= htonl(1<<(31-i
));
2321 brd
.data
[0] &= ~htonl(1<<(31-i
));
2323 addattr_l(&req
.n
, sizeof(req
), IFA_BROADCAST
, &brd
.data
, brd
.bytelen
);
2324 brd_len
= brd
.bytelen
;
2327 if (!scoped
&& cmd
!= RTM_DELADDR
)
2328 req
.ifa
.ifa_scope
= default_scope(&lcl
);
2330 req
.ifa
.ifa_index
= ll_name_to_index(d
);
2331 if (!req
.ifa
.ifa_index
)
2334 if (valid_lftp
|| preferred_lftp
) {
2335 struct ifa_cacheinfo cinfo
= {};
2338 fprintf(stderr
, "valid_lft is zero\n");
2341 if (valid_lft
< preferred_lft
) {
2342 fprintf(stderr
, "preferred_lft is greater than valid_lft\n");
2346 cinfo
.ifa_prefered
= preferred_lft
;
2347 cinfo
.ifa_valid
= valid_lft
;
2348 addattr_l(&req
.n
, sizeof(req
), IFA_CACHEINFO
, &cinfo
,
2352 if ((ifa_flags
& IFA_F_MCAUTOJOIN
) && !ipaddr_is_multicast(&lcl
)) {
2353 fprintf(stderr
, "autojoin needs multicast address\n");
2357 if (rtnl_talk(&rth
, &req
.n
, NULL
) < 0)
2363 int do_ipaddr(int argc
, char **argv
)
2366 return ipaddr_list_flush_or_save(0, NULL
, IPADD_LIST
);
2367 if (matches(*argv
, "add") == 0)
2368 return ipaddr_modify(RTM_NEWADDR
, NLM_F_CREATE
|NLM_F_EXCL
, argc
-1, argv
+1);
2369 if (matches(*argv
, "change") == 0 ||
2370 strcmp(*argv
, "chg") == 0)
2371 return ipaddr_modify(RTM_NEWADDR
, NLM_F_REPLACE
, argc
-1, argv
+1);
2372 if (matches(*argv
, "replace") == 0)
2373 return ipaddr_modify(RTM_NEWADDR
, NLM_F_CREATE
|NLM_F_REPLACE
, argc
-1, argv
+1);
2374 if (matches(*argv
, "delete") == 0)
2375 return ipaddr_modify(RTM_DELADDR
, 0, argc
-1, argv
+1);
2376 if (matches(*argv
, "list") == 0 || matches(*argv
, "show") == 0
2377 || matches(*argv
, "lst") == 0)
2378 return ipaddr_list_flush_or_save(argc
-1, argv
+1, IPADD_LIST
);
2379 if (matches(*argv
, "flush") == 0)
2380 return ipaddr_list_flush_or_save(argc
-1, argv
+1, IPADD_FLUSH
);
2381 if (matches(*argv
, "save") == 0)
2382 return ipaddr_list_flush_or_save(argc
-1, argv
+1, IPADD_SAVE
);
2383 if (matches(*argv
, "showdump") == 0)
2384 return ipaddr_showdump();
2385 if (matches(*argv
, "restore") == 0)
2386 return ipaddr_restore();
2387 if (matches(*argv
, "help") == 0)
2389 fprintf(stderr
, "Command \"%s\" is unknown, try \"ip address help\".\n", *argv
);