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)
55 fprintf(stderr
, "Usage: ip address {add|change|replace} IFADDR dev IFNAME [ LIFETIME ]\n");
56 fprintf(stderr
, " [ CONFFLAG-LIST ]\n");
57 fprintf(stderr
, " ip address del IFADDR dev IFNAME [mngtmpaddr]\n");
58 fprintf(stderr
, " ip address {save|flush} [ dev IFNAME ] [ scope SCOPE-ID ]\n");
59 fprintf(stderr
, " [ to PREFIX ] [ FLAG-LIST ] [ label LABEL ] [up]\n");
60 fprintf(stderr
, " ip address [ show [ dev IFNAME ] [ scope SCOPE-ID ] [ master DEVICE ]\n");
61 fprintf(stderr
, " [ type TYPE ] [ to PREFIX ] [ FLAG-LIST ]\n");
62 fprintf(stderr
, " [ label LABEL ] [up] [ vrf NAME ] ]\n");
63 fprintf(stderr
, " ip address {showdump|restore}\n");
64 fprintf(stderr
, "IFADDR := PREFIX | ADDR peer PREFIX\n");
65 fprintf(stderr
, " [ broadcast ADDR ] [ anycast ADDR ]\n");
66 fprintf(stderr
, " [ label IFNAME ] [ scope SCOPE-ID ]\n");
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");
70 fprintf(stderr
, " [-]tentative | [-]deprecated | [-]dadfailed | temporary |\n");
71 fprintf(stderr
, " CONFFLAG-LIST ]\n");
72 fprintf(stderr
, "CONFFLAG-LIST := [ CONFFLAG-LIST ] CONFFLAG\n");
73 fprintf(stderr
, "CONFFLAG := [ home | nodad | mngtmpaddr | noprefixroute | autojoin ]\n");
74 fprintf(stderr
, "LIFETIME := [ valid_lft LFT ] [ preferred_lft LFT ]\n");
75 fprintf(stderr
, "LFT := forever | SECONDS\n");
76 fprintf(stderr
, "TYPE := { vlan | veth | vcan | vxcan | dummy | ifb | macvlan | macvtap |\n");
77 fprintf(stderr
, " bridge | bond | ipoib | ip6tnl | ipip | sit | vxlan | lowpan |\n");
78 fprintf(stderr
, " gre | gretap | erspan | ip6gre | ip6gretap | ip6erspan | vti |\n");
79 fprintf(stderr
, " nlmon | can | bond_slave | ipvlan | geneve | bridge_slave |\n");
80 fprintf(stderr
, " hsr | macsec | netdevsim\n");
85 static void print_link_flags(FILE *fp
, unsigned int flags
, unsigned int mdown
)
87 open_json_array(PRINT_ANY
, is_json_context() ? "flags" : "<");
88 if (flags
& IFF_UP
&& !(flags
& IFF_RUNNING
))
89 print_string(PRINT_ANY
, NULL
,
90 flags
? "%s," : "%s", "NO-CARRIER");
91 flags
&= ~IFF_RUNNING
;
92 #define _PF(f) if (flags&IFF_##f) { \
94 print_string(PRINT_ANY, NULL, flags ? "%s," : "%s", #f); }
115 print_hex(PRINT_ANY
, NULL
, "%x", flags
);
117 print_string(PRINT_ANY
, NULL
, ",%s", "M-DOWN");
118 close_json_array(PRINT_ANY
, "> ");
121 static const char *oper_states
[] = {
122 "UNKNOWN", "NOTPRESENT", "DOWN", "LOWERLAYERDOWN",
123 "TESTING", "DORMANT", "UP"
126 static void print_operstate(FILE *f
, __u8 state
)
128 if (state
>= ARRAY_SIZE(oper_states
)) {
129 if (is_json_context())
130 print_uint(PRINT_JSON
, "operstate_index", NULL
, state
);
132 print_0xhex(PRINT_FP
, NULL
, "state %#x", state
);
134 print_color_string(PRINT_ANY
,
135 oper_state_color(state
),
140 if (is_json_context())
141 print_string(PRINT_JSON
,
143 NULL
, oper_states
[state
]);
145 fprintf(f
, "state ");
146 color_fprintf(f
, oper_state_color(state
),
147 "%s ", oper_states
[state
]);
152 int get_operstate(const char *name
)
156 for (i
= 0; i
< ARRAY_SIZE(oper_states
); i
++)
157 if (strcasecmp(name
, oper_states
[i
]) == 0)
162 static void print_queuelen(FILE *f
, struct rtattr
*tb
[IFLA_MAX
+ 1])
167 qlen
= rta_getattr_u32(tb
[IFLA_TXQLEN
]);
169 struct ifreq ifr
= {};
170 int s
= socket(AF_INET
, SOCK_STREAM
, 0);
175 strcpy(ifr
.ifr_name
, rta_getattr_str(tb
[IFLA_IFNAME
]));
176 if (ioctl(s
, SIOCGIFTXQLEN
, &ifr
) < 0) {
177 fprintf(f
, "ioctl(SIOCGIFTXQLEN) failed: %s\n", strerror(errno
));
185 print_int(PRINT_ANY
, "txqlen", "qlen %d", qlen
);
188 static const char *link_modes
[] = {
192 static void print_linkmode(FILE *f
, struct rtattr
*tb
)
194 unsigned int mode
= rta_getattr_u8(tb
);
196 if (mode
>= ARRAY_SIZE(link_modes
))
202 print_string(PRINT_ANY
,
208 static char *parse_link_kind(struct rtattr
*tb
, bool slave
)
210 struct rtattr
*linkinfo
[IFLA_INFO_MAX
+1];
211 int attr
= slave
? IFLA_INFO_SLAVE_KIND
: IFLA_INFO_KIND
;
213 parse_rtattr_nested(linkinfo
, IFLA_INFO_MAX
, tb
);
216 return RTA_DATA(linkinfo
[attr
]);
221 static int match_link_kind(struct rtattr
**tb
, const char *kind
, bool slave
)
223 if (!tb
[IFLA_LINKINFO
])
226 return strcmp(parse_link_kind(tb
[IFLA_LINKINFO
], slave
), kind
);
229 static void print_linktype(FILE *fp
, struct rtattr
*tb
)
231 struct rtattr
*linkinfo
[IFLA_INFO_MAX
+1];
232 struct link_util
*lu
;
233 struct link_util
*slave_lu
;
236 parse_rtattr_nested(linkinfo
, IFLA_INFO_MAX
, tb
);
237 open_json_object("linkinfo");
239 if (linkinfo
[IFLA_INFO_KIND
]) {
241 = rta_getattr_str(linkinfo
[IFLA_INFO_KIND
]);
243 print_string(PRINT_FP
, NULL
, "%s", _SL_
);
244 print_string(PRINT_ANY
, "info_kind", " %s ", kind
);
246 lu
= get_link_kind(kind
);
247 if (lu
&& lu
->print_opt
) {
248 struct rtattr
*attr
[lu
->maxattr
+1], **data
= NULL
;
250 if (linkinfo
[IFLA_INFO_DATA
]) {
251 parse_rtattr_nested(attr
, lu
->maxattr
,
252 linkinfo
[IFLA_INFO_DATA
]);
255 open_json_object("info_data");
256 lu
->print_opt(lu
, fp
, data
);
259 if (linkinfo
[IFLA_INFO_XSTATS
] && show_stats
&&
261 open_json_object("info_xstats");
262 lu
->print_xstats(lu
, fp
, linkinfo
[IFLA_INFO_XSTATS
]);
268 if (linkinfo
[IFLA_INFO_SLAVE_KIND
]) {
269 const char *slave_kind
270 = rta_getattr_str(linkinfo
[IFLA_INFO_SLAVE_KIND
]);
272 print_string(PRINT_FP
, NULL
, "%s", _SL_
);
273 print_string(PRINT_ANY
,
278 snprintf(slave
, sizeof(slave
), "%s_slave", slave_kind
);
280 slave_lu
= get_link_kind(slave
);
281 if (slave_lu
&& slave_lu
->print_opt
) {
282 struct rtattr
*attr
[slave_lu
->maxattr
+1], **data
= NULL
;
284 if (linkinfo
[IFLA_INFO_SLAVE_DATA
]) {
285 parse_rtattr_nested(attr
, slave_lu
->maxattr
,
286 linkinfo
[IFLA_INFO_SLAVE_DATA
]);
289 open_json_object("info_slave_data");
290 slave_lu
->print_opt(slave_lu
, fp
, data
);
297 static void print_af_spec(FILE *fp
, struct rtattr
*af_spec_attr
)
299 struct rtattr
*inet6_attr
;
300 struct rtattr
*tb
[IFLA_INET6_MAX
+ 1];
302 inet6_attr
= parse_rtattr_one_nested(AF_INET6
, af_spec_attr
);
306 parse_rtattr_nested(tb
, IFLA_INET6_MAX
, inet6_attr
);
308 if (tb
[IFLA_INET6_ADDR_GEN_MODE
]) {
309 __u8 mode
= rta_getattr_u8(tb
[IFLA_INET6_ADDR_GEN_MODE
]);
313 case IN6_ADDR_GEN_MODE_EUI64
:
314 print_string(PRINT_ANY
,
315 "inet6_addr_gen_mode",
319 case IN6_ADDR_GEN_MODE_NONE
:
320 print_string(PRINT_ANY
,
321 "inet6_addr_gen_mode",
325 case IN6_ADDR_GEN_MODE_STABLE_PRIVACY
:
326 print_string(PRINT_ANY
,
327 "inet6_addr_gen_mode",
331 case IN6_ADDR_GEN_MODE_RANDOM
:
332 print_string(PRINT_ANY
,
333 "inet6_addr_gen_mode",
338 snprintf(b1
, sizeof(b1
), "%#.2hhx", mode
);
339 print_string(PRINT_ANY
,
340 "inet6_addr_gen_mode",
348 static void print_vf_stats64(FILE *fp
, struct rtattr
*vfstats
);
350 static void print_vfinfo(FILE *fp
, struct rtattr
*vfinfo
)
352 struct ifla_vf_mac
*vf_mac
;
353 struct ifla_vf_tx_rate
*vf_tx_rate
;
354 struct rtattr
*vf
[IFLA_VF_MAX
+ 1] = {};
358 if (vfinfo
->rta_type
!= IFLA_VF_INFO
) {
359 fprintf(stderr
, "BUG: rta type is %d\n", vfinfo
->rta_type
);
363 parse_rtattr_nested(vf
, IFLA_VF_MAX
, vfinfo
);
365 vf_mac
= RTA_DATA(vf
[IFLA_VF_MAC
]);
366 vf_tx_rate
= RTA_DATA(vf
[IFLA_VF_TX_RATE
]);
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
)));
374 if (vf
[IFLA_VF_VLAN_LIST
]) {
375 struct rtattr
*i
, *vfvlanlist
= vf
[IFLA_VF_VLAN_LIST
];
376 int rem
= RTA_PAYLOAD(vfvlanlist
);
378 open_json_array(PRINT_JSON
, "vlan_list");
379 for (i
= RTA_DATA(vfvlanlist
);
380 RTA_OK(i
, rem
); i
= RTA_NEXT(i
, rem
)) {
381 struct ifla_vf_vlan_info
*vf_vlan_info
= RTA_DATA(i
);
384 open_json_object(NULL
);
385 if (vf_vlan_info
->vlan
)
390 if (vf_vlan_info
->qos
)
395 if (vf_vlan_info
->vlan_proto
&&
396 vf_vlan_info
->vlan_proto
!= htons(ETH_P_8021Q
))
397 print_string(PRINT_ANY
,
399 ", vlan protocol %s",
401 vf_vlan_info
->vlan_proto
,
405 close_json_array(PRINT_JSON
, NULL
);
407 struct ifla_vf_vlan
*vf_vlan
= RTA_DATA(vf
[IFLA_VF_VLAN
]);
415 print_int(PRINT_ANY
, "qos", ", qos %d", vf_vlan
->qos
);
418 if (vf_tx_rate
->rate
)
421 ", tx rate %d (Mbps)",
424 if (vf
[IFLA_VF_RATE
]) {
425 struct ifla_vf_rate
*vf_rate
= RTA_DATA(vf
[IFLA_VF_RATE
]);
426 int max_tx
= vf_rate
->max_tx_rate
;
427 int min_tx
= vf_rate
->min_tx_rate
;
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
);
436 fprintf(fp
, ", max_tx_rate %dMbps", max_tx
);
438 fprintf(fp
, ", min_tx_rate %dMbps", min_tx
);
442 if (vf
[IFLA_VF_SPOOFCHK
]) {
443 struct ifla_vf_spoofchk
*vf_spoofchk
=
444 RTA_DATA(vf
[IFLA_VF_SPOOFCHK
]);
446 if (vf_spoofchk
->setting
!= -1)
447 print_bool(PRINT_ANY
,
449 vf_spoofchk
->setting
?
450 ", spoof checking on" : ", spoof checking off",
451 vf_spoofchk
->setting
);
454 if (vf
[IFLA_VF_LINK_STATE
]) {
455 struct ifla_vf_link_state
*vf_linkstate
=
456 RTA_DATA(vf
[IFLA_VF_LINK_STATE
]);
458 if (vf_linkstate
->link_state
== IFLA_VF_LINK_STATE_AUTO
)
459 print_string(PRINT_ANY
,
463 else if (vf_linkstate
->link_state
== IFLA_VF_LINK_STATE_ENABLE
)
464 print_string(PRINT_ANY
,
469 print_string(PRINT_ANY
,
475 if (vf
[IFLA_VF_TRUST
]) {
476 struct ifla_vf_trust
*vf_trust
= RTA_DATA(vf
[IFLA_VF_TRUST
]);
478 if (vf_trust
->setting
!= -1)
479 print_bool(PRINT_ANY
,
481 vf_trust
->setting
? ", trust on" : ", trust off",
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
]);
489 if (rss_query
->setting
!= -1)
490 print_bool(PRINT_ANY
,
492 rss_query
->setting
? ", query_rss on"
497 if (vf
[IFLA_VF_STATS
] && show_stats
)
498 print_vf_stats64(fp
, vf
[IFLA_VF_STATS
]);
501 void print_num(FILE *fp
, unsigned int width
, uint64_t count
)
503 const char *prefix
= "kMGTPE";
504 const unsigned int base
= use_iec
? 1024 : 1000;
507 uint8_t precision
= 2;
510 if (!human_readable
|| count
< base
) {
511 fprintf(fp
, "%-*"PRIu64
" ", width
, count
);
515 /* increase value by a factor of 1000/1024 and print
516 * if result is something a human can read
520 if (count
/ base
< powi
)
528 /* try to guess a good number of digits for precision */
529 for (; precision
> 0; precision
--) {
531 if (count
/ powi
< powj
)
535 snprintf(buf
, sizeof(buf
), "%.*f%c%s", precision
,
536 (double) count
/ powi
, *prefix
, use_iec
? "i" : "");
538 fprintf(fp
, "%-*s ", width
, buf
);
541 static void print_vf_stats64(FILE *fp
, struct rtattr
*vfstats
)
543 struct rtattr
*vf
[IFLA_VF_STATS_MAX
+ 1];
545 if (vfstats
->rta_type
!= IFLA_VF_STATS
) {
546 fprintf(stderr
, "BUG: rta type is %d\n", vfstats
->rta_type
);
550 parse_rtattr_nested(vf
, IFLA_VF_MAX
, vfstats
);
552 if (is_json_context()) {
553 open_json_object("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
]));
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
]));
577 fprintf(fp
, "%s", _SL_
);
578 fprintf(fp
, " RX: bytes packets mcast bcast %s", _SL_
);
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
]));
587 fprintf(fp
, "%s", _SL_
);
588 fprintf(fp
, " TX: bytes packets %s", _SL_
);
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
]));
596 static void __print_link_stats(FILE *fp
, struct rtattr
*tb
[])
598 const struct rtattr
*carrier_changes
= tb
[IFLA_CARRIER_CHANGES
];
599 struct rtnl_link_stats64 _s
, *s
= &_s
;
602 ret
= get_rtnl_link_stats_rta(s
, tb
);
606 if (is_json_context()) {
607 open_json_object((ret
== sizeof(*s
)) ? "stats64" : "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
)
618 print_uint(PRINT_JSON
,
619 "compressed", NULL
, s
->rx_compressed
);
622 if (show_stats
> 1) {
623 print_uint(PRINT_JSON
,
625 NULL
, s
->rx_length_errors
);
626 print_uint(PRINT_JSON
,
628 NULL
, s
->rx_crc_errors
);
629 print_uint(PRINT_JSON
,
631 NULL
, s
->rx_frame_errors
);
632 print_uint(PRINT_JSON
,
634 NULL
, s
->rx_fifo_errors
);
635 print_uint(PRINT_JSON
,
637 NULL
, s
->rx_missed_errors
);
639 print_uint(PRINT_JSON
,
640 "nohandler", NULL
, s
->rx_nohandler
);
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
,
652 NULL
, s
->tx_carrier_errors
);
653 print_uint(PRINT_JSON
, "collisions", NULL
, s
->collisions
);
654 if (s
->tx_compressed
)
655 print_uint(PRINT_JSON
,
656 "compressed", NULL
, s
->tx_compressed
);
659 if (show_stats
> 1) {
660 print_uint(PRINT_JSON
,
662 NULL
, s
->tx_aborted_errors
);
663 print_uint(PRINT_JSON
,
665 NULL
, s
->tx_fifo_errors
);
666 print_uint(PRINT_JSON
,
668 NULL
, s
->tx_window_errors
);
669 print_uint(PRINT_JSON
,
671 NULL
, s
->tx_heartbeat_errors
);
673 print_uint(PRINT_JSON
, "carrier_changes", NULL
,
674 rta_getattr_u32(carrier_changes
));
681 fprintf(fp
, " RX: bytes packets errors dropped overrun mcast %s%s",
682 s
->rx_compressed
? "compressed" : "", _SL_
);
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
);
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_
);
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
);
706 print_num(fp
, 7, s
->rx_nohandler
);
708 fprintf(fp
, "%s", _SL_
);
711 fprintf(fp
, " TX: bytes packets errors dropped carrier collsns %s%s",
712 s
->tx_compressed
? "compressed" : "", _SL_
);
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
);
725 if (show_stats
> 1) {
726 fprintf(fp
, "%s", _SL_
);
727 fprintf(fp
, " TX errors: aborted fifo window heartbeat");
729 fprintf(fp
, " transns");
730 fprintf(fp
, "%s", _SL_
);
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
);
739 rta_getattr_u32(carrier_changes
));
744 static void print_link_stats(FILE *fp
, struct nlmsghdr
*n
)
746 struct ifinfomsg
*ifi
= NLMSG_DATA(n
);
747 struct rtattr
*tb
[IFLA_MAX
+1];
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_
);
755 static int print_linkinfo_brief(FILE *fp
, const char *name
,
756 const struct ifinfomsg
*ifi
,
759 unsigned int m_flag
= 0;
761 m_flag
= print_name_and_link("%-16s ", name
, tb
);
763 if (tb
[IFLA_OPERSTATE
])
764 print_operstate(fp
, rta_getattr_u8(tb
[IFLA_OPERSTATE
]));
766 if (filter
.family
== AF_PACKET
) {
769 if (tb
[IFLA_ADDRESS
]) {
770 print_color_string(PRINT_ANY
, COLOR_MAC
,
773 RTA_DATA(tb
[IFLA_ADDRESS
]),
774 RTA_PAYLOAD(tb
[IFLA_ADDRESS
]),
780 if (filter
.family
== AF_PACKET
) {
781 print_link_flags(fp
, ifi
->ifi_flags
, m_flag
);
782 print_string(PRINT_FP
, NULL
, "%s", "\n");
789 static 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"
799 static void print_link_event(FILE *f
, __u32 event
)
801 if (event
>= ARRAY_SIZE(link_events
))
802 print_int(PRINT_ANY
, "event", "event %d ", event
);
805 print_string(PRINT_ANY
,
806 "event", "event %s ",
811 int print_linkinfo(const struct sockaddr_nl
*who
,
812 struct nlmsghdr
*n
, void *arg
)
814 FILE *fp
= (FILE *)arg
;
815 struct ifinfomsg
*ifi
= NLMSG_DATA(n
);
816 struct rtattr
*tb
[IFLA_MAX
+1];
817 int len
= n
->nlmsg_len
;
819 unsigned int m_flag
= 0;
822 if (n
->nlmsg_type
!= RTM_NEWLINK
&& n
->nlmsg_type
!= RTM_DELLINK
)
825 len
-= NLMSG_LENGTH(sizeof(*ifi
));
829 if (filter
.ifindex
&& ifi
->ifi_index
!= filter
.ifindex
)
831 if (filter
.up
&& !(ifi
->ifi_flags
&IFF_UP
))
834 parse_rtattr(tb
, IFLA_MAX
, IFLA_RTA(ifi
), len
);
836 name
= get_ifname_rta(ifi
->ifi_index
, tb
[IFLA_IFNAME
]);
841 (!filter
.family
|| filter
.family
== AF_PACKET
) &&
842 fnmatch(filter
.label
, name
, 0))
845 if (tb
[IFLA_GROUP
]) {
846 int group
= rta_getattr_u32(tb
[IFLA_GROUP
]);
848 if (filter
.group
!= -1 && group
!= filter
.group
)
852 if (tb
[IFLA_MASTER
]) {
853 int master
= rta_getattr_u32(tb
[IFLA_MASTER
]);
855 if (filter
.master
> 0 && master
!= filter
.master
)
857 } else if (filter
.master
> 0)
860 if (filter
.kind
&& match_link_kind(tb
, filter
.kind
, 0))
863 if (filter
.slave_kind
&& match_link_kind(tb
, filter
.slave_kind
, 1))
866 if (n
->nlmsg_type
== RTM_DELLINK
)
867 print_bool(PRINT_ANY
, "deleted", "Deleted ", true);
870 return print_linkinfo_brief(fp
, name
, ifi
, tb
);
872 print_int(PRINT_ANY
, "ifindex", "%d: ", ifi
->ifi_index
);
874 m_flag
= print_name_and_link("%s: ", name
, tb
);
875 print_link_flags(fp
, ifi
->ifi_flags
, m_flag
);
880 rta_getattr_u32(tb
[IFLA_MTU
]));
882 xdp_dump(fp
, tb
[IFLA_XDP
], do_link
, false);
884 print_string(PRINT_ANY
,
887 rta_getattr_str(tb
[IFLA_QDISC
]));
888 if (tb
[IFLA_MASTER
]) {
889 int master
= rta_getattr_u32(tb
[IFLA_MASTER
]);
891 print_string(PRINT_ANY
,
892 "master", "master %s ",
893 ll_index_to_name(master
));
896 if (tb
[IFLA_OPERSTATE
])
897 print_operstate(fp
, rta_getattr_u8(tb
[IFLA_OPERSTATE
]));
899 if (do_link
&& tb
[IFLA_LINKMODE
])
900 print_linkmode(fp
, tb
[IFLA_LINKMODE
]);
902 if (tb
[IFLA_GROUP
]) {
903 int group
= rta_getattr_u32(tb
[IFLA_GROUP
]);
905 print_string(PRINT_ANY
,
908 rtnl_group_n2a(group
, b1
, sizeof(b1
)));
911 if (filter
.showqueue
)
912 print_queuelen(fp
, tb
);
915 print_link_event(fp
, rta_getattr_u32(tb
[IFLA_EVENT
]));
917 if (!filter
.family
|| filter
.family
== AF_PACKET
|| show_details
) {
918 print_string(PRINT_FP
, NULL
, "%s", _SL_
);
919 print_string(PRINT_ANY
,
922 ll_type_n2a(ifi
->ifi_type
, b1
, sizeof(b1
)));
923 if (tb
[IFLA_ADDRESS
]) {
924 print_color_string(PRINT_ANY
,
928 ll_addr_n2a(RTA_DATA(tb
[IFLA_ADDRESS
]),
929 RTA_PAYLOAD(tb
[IFLA_ADDRESS
]),
933 if (tb
[IFLA_BROADCAST
]) {
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);
939 print_string(PRINT_FP
, NULL
, " brd ", NULL
);
941 print_color_string(PRINT_ANY
,
945 ll_addr_n2a(RTA_DATA(tb
[IFLA_BROADCAST
]),
946 RTA_PAYLOAD(tb
[IFLA_BROADCAST
]),
952 if (tb
[IFLA_LINK_NETNSID
]) {
953 int id
= rta_getattr_u32(tb
[IFLA_LINK_NETNSID
]);
955 if (is_json_context()) {
956 print_int(PRINT_JSON
, "link_netnsid", NULL
, id
);
959 print_int(PRINT_FP
, NULL
,
960 " link-netnsid %d", id
);
962 print_string(PRINT_FP
, NULL
,
963 " link-netnsid %s", "unknown");
967 if (tb
[IFLA_PROTO_DOWN
]) {
968 if (rta_getattr_u8(tb
[IFLA_PROTO_DOWN
]))
969 print_bool(PRINT_ANY
,
970 "proto_down", " protodown on ", true);
974 if (tb
[IFLA_PROMISCUITY
])
975 print_uint(PRINT_ANY
,
978 rta_getattr_u32(tb
[IFLA_PROMISCUITY
]));
980 if (tb
[IFLA_LINKINFO
])
981 print_linktype(fp
, tb
[IFLA_LINKINFO
]);
983 if (do_link
&& tb
[IFLA_AF_SPEC
])
984 print_af_spec(fp
, tb
[IFLA_AF_SPEC
]);
986 if (tb
[IFLA_NUM_TX_QUEUES
])
987 print_uint(PRINT_ANY
,
990 rta_getattr_u32(tb
[IFLA_NUM_TX_QUEUES
]));
992 if (tb
[IFLA_NUM_RX_QUEUES
])
993 print_uint(PRINT_ANY
,
996 rta_getattr_u32(tb
[IFLA_NUM_RX_QUEUES
]));
998 if (tb
[IFLA_GSO_MAX_SIZE
])
999 print_uint(PRINT_ANY
,
1002 rta_getattr_u32(tb
[IFLA_GSO_MAX_SIZE
]));
1004 if (tb
[IFLA_GSO_MAX_SEGS
])
1005 print_uint(PRINT_ANY
,
1008 rta_getattr_u32(tb
[IFLA_GSO_MAX_SEGS
]));
1010 if (tb
[IFLA_PHYS_PORT_NAME
])
1011 print_string(PRINT_ANY
,
1014 rta_getattr_str(tb
[IFLA_PHYS_PORT_NAME
]));
1016 if (tb
[IFLA_PHYS_PORT_ID
]) {
1017 print_string(PRINT_ANY
,
1021 RTA_DATA(tb
[IFLA_PHYS_PORT_ID
]),
1022 RTA_PAYLOAD(tb
[IFLA_PHYS_PORT_ID
]),
1026 if (tb
[IFLA_PHYS_SWITCH_ID
]) {
1027 print_string(PRINT_ANY
,
1030 hexstring_n2a(RTA_DATA(tb
[IFLA_PHYS_SWITCH_ID
]),
1031 RTA_PAYLOAD(tb
[IFLA_PHYS_SWITCH_ID
]),
1036 if ((do_link
|| show_details
) && tb
[IFLA_IFALIAS
]) {
1037 print_string(PRINT_FP
, NULL
, "%s ", _SL_
);
1038 print_string(PRINT_ANY
,
1041 rta_getattr_str(tb
[IFLA_IFALIAS
]));
1044 if ((do_link
|| show_details
) && tb
[IFLA_XDP
])
1045 xdp_dump(fp
, tb
[IFLA_XDP
], true, true);
1047 if (do_link
&& show_stats
) {
1048 print_string(PRINT_FP
, NULL
, "%s", _SL_
);
1049 __print_link_stats(fp
, tb
);
1052 if ((do_link
|| show_details
) && tb
[IFLA_VFINFO_LIST
] && tb
[IFLA_NUM_VF
]) {
1053 struct rtattr
*i
, *vflist
= tb
[IFLA_VFINFO_LIST
];
1054 int rem
= RTA_PAYLOAD(vflist
);
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
);
1059 print_vfinfo(fp
, i
);
1060 close_json_object();
1062 close_json_array(PRINT_JSON
, NULL
);
1065 print_string(PRINT_FP
, NULL
, "%s", "\n");
1070 static int flush_update(void)
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
1081 if ((rtnl_send_check(&rth
, filter
.flushb
, filter
.flushp
) < 0) &&
1082 (errno
!= EADDRNOTAVAIL
)) {
1083 perror("Failed to send flush request");
1090 static int set_lifetime(unsigned int *lifetime
, char *argv
)
1092 if (strcmp(argv
, "forever") == 0)
1093 *lifetime
= INFINITY_LIFE_TIME
;
1094 else if (get_u32(lifetime
, argv
, 0))
1100 static unsigned int get_ifa_flags(struct ifaddrmsg
*ifa
,
1101 struct rtattr
*ifa_flags_attr
)
1103 return ifa_flags_attr
? rta_getattr_u32(ifa_flags_attr
) :
1107 /* Mapping from argument to address flag mask */
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
},
1127 static void print_ifa_flags(FILE *fp
, const struct ifaddrmsg
*ifa
,
1132 for (i
= 0; i
< ARRAY_SIZE(ifa_flag_names
); i
++) {
1133 unsigned long mask
= ifa_flag_names
[i
].value
;
1135 if (mask
== IFA_F_PERMANENT
) {
1136 if (!(flags
& mask
))
1137 print_bool(PRINT_ANY
,
1138 "dynamic", "dynamic ", true);
1139 } else if (flags
& mask
) {
1140 if (mask
== IFA_F_SECONDARY
&&
1141 ifa
->ifa_family
== AF_INET6
) {
1142 print_bool(PRINT_ANY
,
1143 "temporary", "temporary ", true);
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);
1156 if (is_json_context()) {
1159 snprintf(b1
, sizeof(b1
), "%02x", flags
);
1160 print_string(PRINT_JSON
, "ifa_flags", NULL
, b1
);
1162 fprintf(fp
, "flags %02x ", flags
);
1168 static int get_filter(const char *arg
)
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
))
1184 filter
.flags
&= ifa_flag_names
[i
].value
;
1185 filter
.flagmask
|= ifa_flag_names
[i
].value
;
1191 for (i
= 0; i
< ARRAY_SIZE(ifa_flag_names
); i
++) {
1192 if (strcmp(arg
, ifa_flag_names
[i
].name
))
1194 filter
.flags
|= ifa_flag_names
[i
].value
;
1195 filter
.flagmask
|= ifa_flag_names
[i
].value
;
1204 static int ifa_label_match_rta(int ifindex
, const struct rtattr
*rta
)
1212 label
= RTA_DATA(rta
);
1214 label
= ll_index_to_name(ifindex
);
1216 return fnmatch(filter
.label
, label
, 0);
1219 int print_addrinfo(const struct sockaddr_nl
*who
, struct nlmsghdr
*n
,
1223 struct ifaddrmsg
*ifa
= NLMSG_DATA(n
);
1224 int len
= n
->nlmsg_len
;
1225 unsigned int ifa_flags
;
1226 struct rtattr
*rta_tb
[IFA_MAX
+1];
1230 if (n
->nlmsg_type
!= RTM_NEWADDR
&& n
->nlmsg_type
!= RTM_DELADDR
)
1232 len
-= NLMSG_LENGTH(sizeof(*ifa
));
1234 fprintf(stderr
, "BUG: wrong nlmsg len %d\n", len
);
1238 if (filter
.flushb
&& n
->nlmsg_type
!= RTM_NEWADDR
)
1241 parse_rtattr(rta_tb
, IFA_MAX
, IFA_RTA(ifa
),
1242 n
->nlmsg_len
- NLMSG_LENGTH(sizeof(*ifa
)));
1244 ifa_flags
= get_ifa_flags(ifa
, rta_tb
[IFA_FLAGS
]);
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
];
1251 if (filter
.ifindex
&& filter
.ifindex
!= ifa
->ifa_index
)
1253 if ((filter
.scope
^ifa
->ifa_scope
)&filter
.scopemask
)
1255 if ((filter
.flags
^ ifa_flags
) & filter
.flagmask
)
1258 if (filter
.family
&& filter
.family
!= ifa
->ifa_family
)
1261 if (ifa_label_match_rta(ifa
->ifa_index
, rta_tb
[IFA_LABEL
]))
1264 if (inet_addr_match_rta(&filter
.pfx
, rta_tb
[IFA_LOCAL
]))
1267 if (filter
.flushb
) {
1268 struct nlmsghdr
*fn
;
1270 if (NLMSG_ALIGN(filter
.flushp
) + n
->nlmsg_len
> filter
.flushe
) {
1274 fn
= (struct nlmsghdr
*)(filter
.flushb
+ NLMSG_ALIGN(filter
.flushp
));
1275 memcpy(fn
, n
, n
->nlmsg_len
);
1276 fn
->nlmsg_type
= RTM_DELADDR
;
1277 fn
->nlmsg_flags
= NLM_F_REQUEST
;
1278 fn
->nlmsg_seq
= ++rth
.seq
;
1279 filter
.flushp
= (((char *)fn
) + n
->nlmsg_len
) - filter
.flushb
;
1285 if (n
->nlmsg_type
== RTM_DELADDR
)
1286 print_bool(PRINT_ANY
, "deleted", "Deleted ", true);
1291 if (filter
.oneline
|| filter
.flushb
) {
1292 const char *dev
= ll_index_to_name(ifa
->ifa_index
);
1294 if (is_json_context()) {
1295 print_int(PRINT_JSON
,
1296 "index", NULL
, ifa
->ifa_index
);
1297 print_string(PRINT_JSON
, "dev", NULL
, dev
);
1299 fprintf(fp
, "%u: %s", ifa
->ifa_index
, dev
);
1303 name
= family_name(ifa
->ifa_family
);
1305 print_string(PRINT_ANY
, "family", " %s ", name
);
1307 print_int(PRINT_ANY
, "family_index", " family %d ",
1312 if (rta_tb
[IFA_LOCAL
]) {
1313 print_color_string(PRINT_ANY
,
1314 ifa_family_color(ifa
->ifa_family
),
1316 format_host_rta(ifa
->ifa_family
,
1317 rta_tb
[IFA_LOCAL
]));
1318 if (rta_tb
[IFA_ADDRESS
] &&
1319 memcmp(RTA_DATA(rta_tb
[IFA_ADDRESS
]),
1320 RTA_DATA(rta_tb
[IFA_LOCAL
]),
1321 ifa
->ifa_family
== AF_INET
? 4 : 16)) {
1322 print_string(PRINT_FP
, NULL
, " %s ", "peer");
1323 print_color_string(PRINT_ANY
,
1324 ifa_family_color(ifa
->ifa_family
),
1327 format_host_rta(ifa
->ifa_family
,
1328 rta_tb
[IFA_ADDRESS
]));
1330 print_int(PRINT_ANY
, "prefixlen", "/%d ", ifa
->ifa_prefixlen
);
1336 if (rta_tb
[IFA_BROADCAST
]) {
1337 print_string(PRINT_FP
, NULL
, "%s ", "brd");
1338 print_color_string(PRINT_ANY
,
1339 ifa_family_color(ifa
->ifa_family
),
1342 format_host_rta(ifa
->ifa_family
,
1343 rta_tb
[IFA_BROADCAST
]));
1346 if (rta_tb
[IFA_ANYCAST
]) {
1347 print_string(PRINT_FP
, NULL
, "%s ", "any");
1348 print_color_string(PRINT_ANY
,
1349 ifa_family_color(ifa
->ifa_family
),
1352 format_host_rta(ifa
->ifa_family
,
1353 rta_tb
[IFA_ANYCAST
]));
1356 print_string(PRINT_ANY
,
1359 rtnl_rtscope_n2a(ifa
->ifa_scope
, b1
, sizeof(b1
)));
1361 print_ifa_flags(fp
, ifa
, ifa_flags
);
1363 if (rta_tb
[IFA_LABEL
])
1364 print_string(PRINT_ANY
,
1367 rta_getattr_str(rta_tb
[IFA_LABEL
]));
1369 if (rta_tb
[IFA_CACHEINFO
]) {
1370 struct ifa_cacheinfo
*ci
= RTA_DATA(rta_tb
[IFA_CACHEINFO
]);
1372 print_string(PRINT_FP
, NULL
, "%s", _SL_
);
1373 print_string(PRINT_FP
, NULL
, " valid_lft ", NULL
);
1375 if (ci
->ifa_valid
== INFINITY_LIFE_TIME
) {
1376 print_uint(PRINT_JSON
,
1378 NULL
, INFINITY_LIFE_TIME
);
1379 print_string(PRINT_FP
, NULL
, "%s", "forever");
1381 print_uint(PRINT_ANY
,
1382 "valid_life_time", "%usec", ci
->ifa_valid
);
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");
1392 if (ifa_flags
& IFA_F_DEPRECATED
)
1393 print_int(PRINT_ANY
,
1394 "preferred_life_time",
1398 print_uint(PRINT_ANY
,
1399 "preferred_life_time",
1404 print_string(PRINT_FP
, NULL
, "%s", "\n");
1410 static int print_selected_addrinfo(struct ifinfomsg
*ifi
,
1411 struct nlmsg_list
*ainfo
, FILE *fp
)
1413 open_json_array(PRINT_JSON
, "addr_info");
1414 for ( ; ainfo
; ainfo
= ainfo
->next
) {
1415 struct nlmsghdr
*n
= &ainfo
->h
;
1416 struct ifaddrmsg
*ifa
= NLMSG_DATA(n
);
1418 if (n
->nlmsg_type
!= RTM_NEWADDR
)
1421 if (n
->nlmsg_len
< NLMSG_LENGTH(sizeof(*ifa
)))
1424 if (ifa
->ifa_index
!= ifi
->ifi_index
||
1425 (filter
.family
&& filter
.family
!= ifa
->ifa_family
))
1428 if (filter
.up
&& !(ifi
->ifi_flags
&IFF_UP
))
1431 open_json_object(NULL
);
1432 print_addrinfo(NULL
, n
, fp
);
1433 close_json_object();
1435 close_json_array(PRINT_JSON
, NULL
);
1438 print_string(PRINT_FP
, NULL
, "%s", "\n");
1445 static int store_nlmsg(const struct sockaddr_nl
*who
, struct nlmsghdr
*n
,
1448 struct nlmsg_chain
*lchain
= (struct nlmsg_chain
*)arg
;
1449 struct nlmsg_list
*h
;
1451 h
= malloc(n
->nlmsg_len
+sizeof(void *));
1455 memcpy(&h
->h
, n
, n
->nlmsg_len
);
1459 lchain
->tail
->next
= h
;
1464 ll_remember_index(who
, n
, NULL
);
1468 static __u32 ipadd_dump_magic
= 0x47361222;
1470 static int ipadd_save_prep(void)
1474 if (isatty(STDOUT_FILENO
)) {
1475 fprintf(stderr
, "Not sending a binary stream to stdout\n");
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");
1488 static int ipadd_dump_check_magic(void)
1493 if (isatty(STDIN_FILENO
)) {
1494 fprintf(stderr
, "Can't restore address dump from a terminal\n");
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
);
1507 static int save_nlmsg(const struct sockaddr_nl
*who
, struct nlmsghdr
*n
,
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");
1518 return ret
== n
->nlmsg_len
? 0 : ret
;
1521 static int show_handler(const struct sockaddr_nl
*nl
,
1522 struct rtnl_ctrl_data
*ctrl
,
1523 struct nlmsghdr
*n
, void *arg
)
1525 struct ifaddrmsg
*ifa
= NLMSG_DATA(n
);
1527 open_json_object(NULL
);
1528 print_int(PRINT_ANY
, "index", "if%d:\n", ifa
->ifa_index
);
1529 print_addrinfo(NULL
, n
, stdout
);
1530 close_json_object();
1534 static int ipaddr_showdump(void)
1538 if (ipadd_dump_check_magic())
1542 open_json_object(NULL
);
1543 open_json_array(PRINT_JSON
, "addr_info");
1545 err
= rtnl_from_file(stdin
, &show_handler
, NULL
);
1547 close_json_array(PRINT_JSON
, NULL
);
1548 close_json_object();
1554 static int restore_handler(const struct sockaddr_nl
*nl
,
1555 struct rtnl_ctrl_data
*ctrl
,
1556 struct nlmsghdr
*n
, void *arg
)
1560 n
->nlmsg_flags
|= NLM_F_REQUEST
| NLM_F_CREATE
| NLM_F_ACK
;
1564 ret
= rtnl_talk(&rth
, n
, NULL
);
1565 if ((ret
< 0) && (errno
== EEXIST
))
1571 static int ipaddr_restore(void)
1573 if (ipadd_dump_check_magic())
1576 exit(rtnl_from_file(stdin
, &restore_handler
, NULL
));
1579 void free_nlmsg_chain(struct nlmsg_chain
*info
)
1581 struct nlmsg_list
*l
, *n
;
1583 for (l
= info
->head
; l
; l
= n
) {
1589 static void ipaddr_filter(struct nlmsg_chain
*linfo
, struct nlmsg_chain
*ainfo
)
1591 struct nlmsg_list
*l
, **lp
;
1594 while ((l
= *lp
) != NULL
) {
1596 int missing_net_address
= 1;
1597 struct ifinfomsg
*ifi
= NLMSG_DATA(&l
->h
);
1598 struct nlmsg_list
*a
;
1600 for (a
= ainfo
->head
; a
; a
= a
->next
) {
1601 struct nlmsghdr
*n
= &a
->h
;
1602 struct ifaddrmsg
*ifa
= NLMSG_DATA(n
);
1603 struct rtattr
*tb
[IFA_MAX
+ 1];
1604 unsigned int ifa_flags
;
1606 if (ifa
->ifa_index
!= ifi
->ifi_index
)
1608 missing_net_address
= 0;
1609 if (filter
.family
&& filter
.family
!= ifa
->ifa_family
)
1611 if ((filter
.scope
^ifa
->ifa_scope
)&filter
.scopemask
)
1614 parse_rtattr(tb
, IFA_MAX
, IFA_RTA(ifa
), IFA_PAYLOAD(n
));
1615 ifa_flags
= get_ifa_flags(ifa
, tb
[IFA_FLAGS
]);
1617 if ((filter
.flags
^ ifa_flags
) & filter
.flagmask
)
1620 if (ifa_label_match_rta(ifa
->ifa_index
, tb
[IFA_LABEL
]))
1624 tb
[IFA_LOCAL
] = tb
[IFA_ADDRESS
];
1625 if (inet_addr_match_rta(&filter
.pfx
, tb
[IFA_LOCAL
]))
1631 if (missing_net_address
&&
1632 (filter
.family
== AF_UNSPEC
|| filter
.family
== AF_PACKET
))
1642 static int ipaddr_flush(void)
1645 char flushb
[4096-512];
1647 filter
.flushb
= flushb
;
1649 filter
.flushe
= sizeof(flushb
);
1651 while ((max_flush_loops
== 0) || (round
< max_flush_loops
)) {
1652 if (rtnl_wilddump_request(&rth
, filter
.family
, RTM_GETADDR
) < 0) {
1653 perror("Cannot send dump request");
1657 if (rtnl_dump_filter_nc(&rth
, print_addrinfo
,
1658 stdout
, NLM_F_DUMP_INTR
) < 0) {
1659 fprintf(stderr
, "Flush terminated\n");
1662 if (filter
.flushed
== 0) {
1666 printf("Nothing to flush.\n");
1668 printf("*** Flush is complete after %d round%s ***\n", round
, round
> 1?"s":"");
1674 if (flush_update() < 0)
1678 printf("\n*** Round %d, deleting %d addresses ***\n", round
, filter
.flushed
);
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
1687 if (!(filter
.flags
& IFA_F_SECONDARY
) && (filter
.flagmask
& IFA_F_SECONDARY
))
1690 fprintf(stderr
, "*** Flush remains incomplete after %d rounds. ***\n", max_flush_loops
);
1695 static int iplink_filter_req(struct nlmsghdr
*nlh
, int reqlen
)
1699 err
= addattr32(nlh
, reqlen
, IFLA_EXT_MASK
, RTEXT_FILTER_VF
);
1703 if (filter
.master
) {
1704 err
= addattr32(nlh
, reqlen
, IFLA_MASTER
, filter
.master
);
1710 struct rtattr
*linkinfo
;
1712 linkinfo
= addattr_nest(nlh
, reqlen
, IFLA_LINKINFO
);
1714 err
= addattr_l(nlh
, reqlen
, IFLA_INFO_KIND
, filter
.kind
,
1715 strlen(filter
.kind
));
1719 addattr_nest_end(nlh
, linkinfo
);
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
1729 int ip_linkaddr_list(int family
, req_filter_fn_t filter_fn
,
1730 struct nlmsg_chain
*linfo
, struct nlmsg_chain
*ainfo
)
1732 if (rtnl_wilddump_req_filter_fn(&rth
, preferred_family
, RTM_GETLINK
,
1734 perror("Cannot send dump request");
1738 if (rtnl_dump_filter(&rth
, store_nlmsg
, linfo
) < 0) {
1739 fprintf(stderr
, "Dump terminated\n");
1744 if (rtnl_wilddump_request(&rth
, family
, RTM_GETADDR
) < 0) {
1745 perror("Cannot send dump request");
1749 if (rtnl_dump_filter(&rth
, store_nlmsg
, ainfo
) < 0) {
1750 fprintf(stderr
, "Dump terminated\n");
1758 static int ipaddr_list_flush_or_save(int argc
, char **argv
, int action
)
1760 struct nlmsg_chain linfo
= { NULL
, NULL
};
1761 struct nlmsg_chain _ainfo
= { NULL
, NULL
}, *ainfo
= NULL
;
1762 struct nlmsg_list
*l
;
1763 char *filter_dev
= NULL
;
1766 ipaddr_reset_filter(oneline
, 0);
1767 filter
.showqueue
= 1;
1768 filter
.family
= preferred_family
;
1771 if (action
== IPADD_FLUSH
) {
1773 fprintf(stderr
, "Flush requires arguments.\n");
1777 if (filter
.family
== AF_PACKET
) {
1778 fprintf(stderr
, "Cannot flush link addresses.\n");
1784 if (strcmp(*argv
, "to") == 0) {
1786 if (get_prefix(&filter
.pfx
, *argv
, filter
.family
))
1787 invarg("invalid \"to\"\n", *argv
);
1788 if (filter
.family
== AF_UNSPEC
)
1789 filter
.family
= filter
.pfx
.family
;
1790 } else if (strcmp(*argv
, "scope") == 0) {
1791 unsigned int scope
= 0;
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;
1801 filter
.scope
= scope
;
1802 } else if (strcmp(*argv
, "up") == 0) {
1804 } else if (get_filter(*argv
) == 0) {
1806 } else if (strcmp(*argv
, "label") == 0) {
1808 filter
.label
= *argv
;
1809 } else if (strcmp(*argv
, "group") == 0) {
1811 if (rtnl_group_a2n(&filter
.group
, *argv
))
1812 invarg("Invalid \"group\" value\n", *argv
);
1813 } else if (strcmp(*argv
, "master") == 0) {
1817 ifindex
= ll_name_to_index(*argv
);
1819 invarg("Device does not exist\n", *argv
);
1820 filter
.master
= ifindex
;
1821 } else if (strcmp(*argv
, "vrf") == 0) {
1825 ifindex
= ll_name_to_index(*argv
);
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
;
1831 } else if (strcmp(*argv
, "type") == 0) {
1835 soff
= strlen(*argv
) - strlen("_slave");
1836 if (!strcmp(*argv
+ soff
, "_slave")) {
1837 (*argv
)[soff
] = '\0';
1838 filter
.slave_kind
= *argv
;
1840 filter
.kind
= *argv
;
1843 if (strcmp(*argv
, "dev") == 0)
1845 else if (matches(*argv
, "help") == 0)
1848 duparg2("dev", *argv
);
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
);
1862 if (action
== IPADD_FLUSH
)
1863 return ipaddr_flush();
1865 if (action
== IPADD_SAVE
) {
1866 if (ipadd_save_prep())
1869 if (rtnl_wilddump_request(&rth
, preferred_family
, RTM_GETADDR
) < 0) {
1870 perror("Cannot send dump request");
1874 if (rtnl_dump_filter(&rth
, save_nlmsg
, stdout
) < 0) {
1875 fprintf(stderr
, "Save terminated\n");
1883 * Initialize a json_writer and open an array object
1884 * if -json was specified.
1889 * If only filter_dev present and none of the other
1890 * link filters are present, use RTM_GETLINK to get
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");
1903 if (filter
.family
!= AF_PACKET
) {
1910 if (ip_linkaddr_list(filter
.family
, iplink_filter_req
,
1911 &linfo
, ainfo
) != 0)
1914 if (filter
.family
!= AF_PACKET
)
1915 ipaddr_filter(&linfo
, ainfo
);
1917 for (l
= linfo
.head
; l
; l
= l
->next
) {
1918 struct nlmsghdr
*n
= &l
->h
;
1919 struct ifinfomsg
*ifi
= NLMSG_DATA(n
);
1922 open_json_object(NULL
);
1923 if (brief
|| !no_link
)
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
);
1929 close_json_object();
1935 free_nlmsg_chain(ainfo
);
1936 free_nlmsg_chain(&linfo
);
1942 ipaddr_loop_each_vf(struct rtattr
*tb
[], int vfnum
, int *min
, int *max
)
1944 struct rtattr
*vflist
= tb
[IFLA_VFINFO_LIST
];
1945 struct rtattr
*i
, *vf
[IFLA_VF_MAX
+1];
1946 struct ifla_vf_rate
*vf_rate
;
1949 rem
= RTA_PAYLOAD(vflist
);
1951 for (i
= RTA_DATA(vflist
); RTA_OK(i
, rem
); i
= RTA_NEXT(i
, rem
)) {
1952 parse_rtattr_nested(vf
, IFLA_VF_MAX
, i
);
1954 if (!vf
[IFLA_VF_RATE
]) {
1955 fprintf(stderr
, "VF min/max rate API not supported\n");
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
;
1966 fprintf(stderr
, "Cannot find VF %d\n", vfnum
);
1970 void ipaddr_get_vf_rate(int vfnum
, int *min
, int *max
, int idx
)
1972 struct nlmsg_chain linfo
= { NULL
, NULL
};
1973 struct rtattr
*tb
[IFLA_MAX
+1];
1974 struct ifinfomsg
*ifi
;
1975 struct nlmsg_list
*l
;
1979 if (rtnl_wilddump_request(&rth
, AF_UNSPEC
, RTM_GETLINK
) < 0) {
1980 perror("Cannot send dump request");
1983 if (rtnl_dump_filter(&rth
, store_nlmsg
, &linfo
) < 0) {
1984 fprintf(stderr
, "Dump terminated\n");
1987 for (l
= linfo
.head
; l
; l
= l
->next
) {
1989 ifi
= NLMSG_DATA(n
);
1991 len
= n
->nlmsg_len
- NLMSG_LENGTH(sizeof(*ifi
));
1992 if (len
< 0 || (idx
&& idx
!= ifi
->ifi_index
))
1995 parse_rtattr(tb
, IFLA_MAX
, IFLA_RTA(ifi
), len
);
1997 if ((tb
[IFLA_VFINFO_LIST
] && tb
[IFLA_NUM_VF
])) {
1998 ipaddr_loop_each_vf(tb
, vfnum
, min
, max
);
2004 int ipaddr_list_link(int argc
, char **argv
)
2006 preferred_family
= AF_PACKET
;
2008 return ipaddr_list_flush_or_save(argc
, argv
, IPADD_LIST
);
2011 void ipaddr_reset_filter(int oneline
, int ifindex
)
2013 memset(&filter
, 0, sizeof(filter
));
2014 filter
.oneline
= oneline
;
2015 filter
.ifindex
= ifindex
;
2018 static int default_scope(inet_prefix
*lcl
)
2020 if (lcl
->family
== AF_INET
) {
2021 if (lcl
->bytelen
>= 1 && *(__u8
*)&lcl
->data
== 127)
2022 return RT_SCOPE_HOST
;
2027 static bool ipaddr_is_multicast(inet_prefix
*a
)
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
);
2037 static int ipaddr_modify(int cmd
, int flags
, int argc
, char **argv
)
2041 struct ifaddrmsg ifa
;
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
,
2051 char *lcl_arg
= NULL
;
2052 char *valid_lftp
= NULL
;
2053 char *preferred_lftp
= NULL
;
2054 inet_prefix lcl
= {};
2061 __u32 preferred_lft
= INFINITY_LIFE_TIME
;
2062 __u32 valid_lft
= INFINITY_LIFE_TIME
;
2063 unsigned int ifa_flags
= 0;
2066 if (strcmp(*argv
, "peer") == 0 ||
2067 strcmp(*argv
, "remote") == 0) {
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) {
2084 duparg("broadcast", *argv
);
2085 if (strcmp(*argv
, "+") == 0)
2087 else if (strcmp(*argv
, "-") == 0)
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
;
2096 } else if (strcmp(*argv
, "anycast") == 0) {
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) {
2108 unsigned int scope
= 0;
2111 if (rtnl_rtscope_a2n(&scope
, *argv
))
2112 invarg("invalid scope value.", *argv
);
2113 req
.ifa
.ifa_scope
= scope
;
2115 } else if (strcmp(*argv
, "dev") == 0) {
2118 } else if (strcmp(*argv
, "label") == 0) {
2121 addattr_l(&req
.n
, sizeof(req
), IFA_LABEL
, l
, strlen(l
)+1);
2122 } else if (matches(*argv
, "valid_lft") == 0) {
2124 duparg("valid_lft", *argv
);
2127 if (set_lifetime(&valid_lft
, *argv
))
2128 invarg("valid_lft value", *argv
);
2129 } else if (matches(*argv
, "preferred_lft") == 0) {
2131 duparg("preferred_lft", *argv
);
2133 preferred_lftp
= *argv
;
2134 if (set_lifetime(&preferred_lft
, *argv
))
2135 invarg("preferred_lft value", *argv
);
2136 } else if (strcmp(*argv
, "home") == 0) {
2137 ifa_flags
|= IFA_F_HOMEADDRESS
;
2138 } else if (strcmp(*argv
, "nodad") == 0) {
2139 ifa_flags
|= IFA_F_NODAD
;
2140 } else if (strcmp(*argv
, "mngtmpaddr") == 0) {
2141 ifa_flags
|= IFA_F_MANAGETEMPADDR
;
2142 } else if (strcmp(*argv
, "noprefixroute") == 0) {
2143 ifa_flags
|= IFA_F_NOPREFIXROUTE
;
2144 } else if (strcmp(*argv
, "autojoin") == 0) {
2145 ifa_flags
|= IFA_F_MCAUTOJOIN
;
2147 if (strcmp(*argv
, "local") == 0)
2149 if (matches(*argv
, "help") == 0)
2152 duparg2("local", *argv
);
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
;
2162 if (ifa_flags
<= 0xff)
2163 req
.ifa
.ifa_flags
= ifa_flags
;
2165 addattr32(&req
.n
, sizeof(req
), IFA_FLAGS
, ifa_flags
);
2168 fprintf(stderr
, "Not enough information: \"dev\" argument is required.\n");
2171 if (l
&& matches(d
, l
) != 0) {
2172 fprintf(stderr
, "\"dev\" (%s) must match \"label\" (%s).\n", d
, l
);
2176 if (peer_len
== 0 && local_len
) {
2177 if (cmd
== RTM_DELADDR
&& lcl
.family
== AF_INET
&& !(lcl
.flags
& PREFIXLEN_SPECIFIED
)) {
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"
2182 " fix your scripts!\n", lcl_arg
, local_len
*8);
2185 addattr_l(&req
.n
, sizeof(req
), IFA_ADDRESS
, &lcl
.data
, lcl
.bytelen
);
2188 if (req
.ifa
.ifa_prefixlen
== 0)
2189 req
.ifa
.ifa_prefixlen
= lcl
.bitlen
;
2191 if (brd_len
< 0 && cmd
!= RTM_DELADDR
) {
2195 if (req
.ifa
.ifa_family
!= AF_INET
) {
2196 fprintf(stderr
, "Broadcast can be set only for IPv4 addresses\n");
2200 if (brd
.bitlen
<= 30) {
2201 for (i
= 31; i
>= brd
.bitlen
; i
--) {
2203 brd
.data
[0] |= htonl(1<<(31-i
));
2205 brd
.data
[0] &= ~htonl(1<<(31-i
));
2207 addattr_l(&req
.n
, sizeof(req
), IFA_BROADCAST
, &brd
.data
, brd
.bytelen
);
2208 brd_len
= brd
.bytelen
;
2211 if (!scoped
&& cmd
!= RTM_DELADDR
)
2212 req
.ifa
.ifa_scope
= default_scope(&lcl
);
2214 req
.ifa
.ifa_index
= ll_name_to_index(d
);
2215 if (!req
.ifa
.ifa_index
)
2218 if (valid_lftp
|| preferred_lftp
) {
2219 struct ifa_cacheinfo cinfo
= {};
2222 fprintf(stderr
, "valid_lft is zero\n");
2225 if (valid_lft
< preferred_lft
) {
2226 fprintf(stderr
, "preferred_lft is greater than valid_lft\n");
2230 cinfo
.ifa_prefered
= preferred_lft
;
2231 cinfo
.ifa_valid
= valid_lft
;
2232 addattr_l(&req
.n
, sizeof(req
), IFA_CACHEINFO
, &cinfo
,
2236 if ((ifa_flags
& IFA_F_MCAUTOJOIN
) && !ipaddr_is_multicast(&lcl
)) {
2237 fprintf(stderr
, "autojoin needs multicast address\n");
2241 if (rtnl_talk(&rth
, &req
.n
, NULL
) < 0)
2247 int do_ipaddr(int argc
, char **argv
)
2250 return ipaddr_list_flush_or_save(0, NULL
, IPADD_LIST
);
2251 if (matches(*argv
, "add") == 0)
2252 return ipaddr_modify(RTM_NEWADDR
, NLM_F_CREATE
|NLM_F_EXCL
, argc
-1, argv
+1);
2253 if (matches(*argv
, "change") == 0 ||
2254 strcmp(*argv
, "chg") == 0)
2255 return ipaddr_modify(RTM_NEWADDR
, NLM_F_REPLACE
, argc
-1, argv
+1);
2256 if (matches(*argv
, "replace") == 0)
2257 return ipaddr_modify(RTM_NEWADDR
, NLM_F_CREATE
|NLM_F_REPLACE
, argc
-1, argv
+1);
2258 if (matches(*argv
, "delete") == 0)
2259 return ipaddr_modify(RTM_DELADDR
, 0, argc
-1, argv
+1);
2260 if (matches(*argv
, "list") == 0 || matches(*argv
, "show") == 0
2261 || matches(*argv
, "lst") == 0)
2262 return ipaddr_list_flush_or_save(argc
-1, argv
+1, IPADD_LIST
);
2263 if (matches(*argv
, "flush") == 0)
2264 return ipaddr_list_flush_or_save(argc
-1, argv
+1, IPADD_FLUSH
);
2265 if (matches(*argv
, "save") == 0)
2266 return ipaddr_list_flush_or_save(argc
-1, argv
+1, IPADD_SAVE
);
2267 if (matches(*argv
, "showdump") == 0)
2268 return ipaddr_showdump();
2269 if (matches(*argv
, "restore") == 0)
2270 return ipaddr_restore();
2271 if (matches(*argv
, "help") == 0)
2273 fprintf(stderr
, "Command \"%s\" is unknown, try \"ip address help\".\n", *argv
);