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Commit | Line | Data |
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aba5acdf SH |
1 | /* |
2 | * iplink.c "ip link". | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU General Public License | |
6 | * as published by the Free Software Foundation; either version | |
7 | * 2 of the License, or (at your option) any later version. | |
8 | * | |
9 | * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru> | |
10 | * | |
11 | */ | |
12 | ||
13 | #include <stdio.h> | |
14 | #include <stdlib.h> | |
15 | #include <unistd.h> | |
aba5acdf | 16 | #include <fcntl.h> |
1d934839 | 17 | #include <dlfcn.h> |
aba5acdf SH |
18 | #include <errno.h> |
19 | #include <sys/socket.h> | |
20 | #include <linux/if.h> | |
21 | #include <linux/if_packet.h> | |
22 | #include <linux/if_ether.h> | |
23 | #include <linux/sockios.h> | |
24 | #include <netinet/in.h> | |
25 | #include <arpa/inet.h> | |
26 | #include <string.h> | |
27 | #include <sys/ioctl.h> | |
fbea6115 | 28 | #include <stdbool.h> |
837552b4 | 29 | #include <linux/mpls.h> |
aba5acdf SH |
30 | |
31 | #include "rt_names.h" | |
32 | #include "utils.h" | |
33 | #include "ip_common.h" | |
c3087c10 | 34 | #include "namespace.h" |
aba5acdf | 35 | |
1d934839 | 36 | #define IPLINK_IOCTL_COMPAT 1 |
5e3bb534 | 37 | #ifndef LIBDIR |
5c434a9e | 38 | #define LIBDIR "/usr/lib" |
b514b358 | 39 | #endif |
aba5acdf | 40 | |
08f9d166 SH |
41 | #ifndef GSO_MAX_SIZE |
42 | #define GSO_MAX_SIZE 65536 | |
43 | #endif | |
44 | #ifndef GSO_MAX_SEGS | |
45 | #define GSO_MAX_SEGS 65535 | |
46 | #endif | |
47 | ||
48 | ||
aba5acdf | 49 | static void usage(void) __attribute__((noreturn)); |
750a405a | 50 | static int iplink_have_newlink(void); |
aba5acdf SH |
51 | |
52 | void iplink_usage(void) | |
53 | { | |
750a405a | 54 | if (iplink_have_newlink()) { |
6773bcc2 SH |
55 | fprintf(stderr, |
56 | "Usage: ip link add [link DEV] [ name ] NAME\n" | |
57 | " [ txqueuelen PACKETS ]\n" | |
58 | " [ address LLADDR ]\n" | |
59 | " [ broadcast LLADDR ]\n" | |
60 | " [ mtu MTU ] [index IDX ]\n" | |
61 | " [ numtxqueues QUEUE_COUNT ]\n" | |
62 | " [ numrxqueues QUEUE_COUNT ]\n" | |
63 | " type TYPE [ ARGS ]\n" | |
c7272ca7 | 64 | "\n" |
6773bcc2 SH |
65 | " ip link delete { DEVICE | dev DEVICE | group DEVGROUP } type TYPE [ ARGS ]\n" |
66 | "\n" | |
67 | " ip link set { DEVICE | dev DEVICE | group DEVGROUP }\n" | |
68 | " [ { up | down } ]\n" | |
69 | " [ type TYPE ARGS ]\n"); | |
750a405a | 70 | } else |
bb6ab47b SH |
71 | fprintf(stderr, |
72 | "Usage: ip link set DEVICE [ { up | down } ]\n"); | |
750a405a | 73 | |
6773bcc2 SH |
74 | fprintf(stderr, |
75 | " [ arp { on | off } ]\n" | |
76 | " [ dynamic { on | off } ]\n" | |
77 | " [ multicast { on | off } ]\n" | |
78 | " [ allmulticast { on | off } ]\n" | |
79 | " [ promisc { on | off } ]\n" | |
80 | " [ trailers { on | off } ]\n" | |
432b92a7 | 81 | " [ carrier { on | off } ]\n" |
6773bcc2 SH |
82 | " [ txqueuelen PACKETS ]\n" |
83 | " [ name NEWNAME ]\n" | |
84 | " [ address LLADDR ]\n" | |
85 | " [ broadcast LLADDR ]\n" | |
86 | " [ mtu MTU ]\n" | |
87 | " [ netns { PID | NAME } ]\n" | |
974ef93b | 88 | " [ link-netns NAME | link-netnsid ID ]\n" |
6773bcc2 SH |
89 | " [ alias NAME ]\n" |
90 | " [ vf NUM [ mac LLADDR ]\n" | |
91 | " [ vlan VLANID [ qos VLAN-QOS ] [ proto VLAN-PROTO ] ]\n" | |
6773bcc2 SH |
92 | " [ rate TXRATE ]\n" |
93 | " [ max_tx_rate TXRATE ]\n" | |
94 | " [ min_tx_rate TXRATE ]\n" | |
6773bcc2 SH |
95 | " [ spoofchk { on | off} ]\n" |
96 | " [ query_rss { on | off} ]\n" | |
97 | " [ state { auto | enable | disable} ] ]\n" | |
98 | " [ trust { on | off} ] ]\n" | |
5a3ec4ba EC |
99 | " [ node_guid { eui64 } ]\n" |
100 | " [ port_guid { eui64 } ]\n" | |
c7272ca7 DB |
101 | " [ xdp { off |\n" |
102 | " object FILE [ section NAME ] [ verbose ] |\n" | |
103 | " pinned FILE } ]\n" | |
6773bcc2 SH |
104 | " [ master DEVICE ][ vrf NAME ]\n" |
105 | " [ nomaster ]\n" | |
106 | " [ addrgenmode { eui64 | none | stable_secret | random } ]\n" | |
c2db423f SH |
107 | " [ protodown { on | off } ]\n" |
108 | " [ gso_max_size BYTES ] | [ gso_max_segs PACKETS ]\n" | |
c7272ca7 | 109 | "\n" |
6773bcc2 | 110 | " ip link show [ DEVICE | group GROUP ] [up] [master DEV] [vrf NAME] [type TYPE]\n"); |
750a405a | 111 | |
94f1a22a | 112 | fprintf(stderr, "\n ip link xstats type TYPE [ ARGS ]\n"); |
837552b4 | 113 | fprintf(stderr, "\n ip link afstats [ dev DEVICE ]\n"); |
94f1a22a | 114 | |
750a405a | 115 | if (iplink_have_newlink()) { |
6773bcc2 | 116 | fprintf(stderr, |
c7272ca7 DB |
117 | "\n" |
118 | " ip link help [ TYPE ]\n" | |
119 | "\n" | |
7827b376 | 120 | "TYPE := { vlan | veth | vcan | vxcan | dummy | ifb | macvlan | macvtap |\n" |
6bd1ea28 | 121 | " bridge | bond | team | ipoib | ip6tnl | ipip | sit | vxlan |\n" |
8595cc40 WT |
122 | " gre | gretap | erspan | ip6gre | ip6gretap | ip6erspan |\n" |
123 | " vti | nlmon | team_slave | bond_slave | ipvlan | geneve |\n" | |
7d424c71 | 124 | " bridge_slave | vrf | macsec | netdevsim }\n"); |
750a405a | 125 | } |
aba5acdf SH |
126 | exit(-1); |
127 | } | |
128 | ||
129 | static void usage(void) | |
130 | { | |
131 | iplink_usage(); | |
132 | } | |
133 | ||
14645ec2 | 134 | static int on_off(const char *msg, const char *realval) |
aba5acdf | 135 | { |
6c5ffb9a SH |
136 | fprintf(stderr, |
137 | "Error: argument of \"%s\" must be \"on\" or \"off\", not \"%s\"\n", | |
138 | msg, realval); | |
aba5acdf SH |
139 | return -1; |
140 | } | |
141 | ||
1d934839 PM |
142 | static void *BODY; /* cached dlopen(NULL) handle */ |
143 | static struct link_util *linkutil_list; | |
144 | ||
22a84711 | 145 | struct link_util *get_link_kind(const char *id) |
1d934839 PM |
146 | { |
147 | void *dlh; | |
148 | char buf[256]; | |
149 | struct link_util *l; | |
150 | ||
151 | for (l = linkutil_list; l; l = l->next) | |
22a84711 | 152 | if (strcmp(l->id, id) == 0) |
1d934839 PM |
153 | return l; |
154 | ||
5e3bb534 | 155 | snprintf(buf, sizeof(buf), LIBDIR "/ip/link_%s.so", id); |
1d934839 PM |
156 | dlh = dlopen(buf, RTLD_LAZY); |
157 | if (dlh == NULL) { | |
158 | /* look in current binary, only open once */ | |
159 | dlh = BODY; | |
160 | if (dlh == NULL) { | |
161 | dlh = BODY = dlopen(NULL, RTLD_LAZY); | |
162 | if (dlh == NULL) | |
163 | return NULL; | |
164 | } | |
165 | } | |
166 | ||
22a84711 | 167 | snprintf(buf, sizeof(buf), "%s_link_util", id); |
1d934839 PM |
168 | l = dlsym(dlh, buf); |
169 | if (l == NULL) | |
170 | return NULL; | |
171 | ||
172 | l->next = linkutil_list; | |
173 | linkutil_list = l; | |
174 | return l; | |
175 | } | |
176 | ||
d1f28cf1 | 177 | static int get_link_mode(const char *mode) |
82499282 | 178 | { |
4ccfb44d | 179 | if (strcasecmp(mode, "default") == 0) |
82499282 | 180 | return IF_LINK_MODE_DEFAULT; |
4ccfb44d | 181 | if (strcasecmp(mode, "dormant") == 0) |
82499282 SH |
182 | return IF_LINK_MODE_DORMANT; |
183 | return -1; | |
184 | } | |
185 | ||
ff7c2084 JP |
186 | static int get_addr_gen_mode(const char *mode) |
187 | { | |
188 | if (strcasecmp(mode, "eui64") == 0) | |
189 | return IN6_ADDR_GEN_MODE_EUI64; | |
190 | if (strcasecmp(mode, "none") == 0) | |
191 | return IN6_ADDR_GEN_MODE_NONE; | |
8e098dd8 BM |
192 | if (strcasecmp(mode, "stable_secret") == 0) |
193 | return IN6_ADDR_GEN_MODE_STABLE_PRIVACY; | |
8e12bc0a BM |
194 | if (strcasecmp(mode, "random") == 0) |
195 | return IN6_ADDR_GEN_MODE_RANDOM; | |
ff7c2084 JP |
196 | return -1; |
197 | } | |
198 | ||
1d934839 PM |
199 | #if IPLINK_IOCTL_COMPAT |
200 | static int have_rtnl_newlink = -1; | |
201 | ||
202 | static int accept_msg(const struct sockaddr_nl *who, | |
0628cddd | 203 | struct rtnl_ctrl_data *ctrl, |
1d934839 PM |
204 | struct nlmsghdr *n, void *arg) |
205 | { | |
206 | struct nlmsgerr *err = (struct nlmsgerr *)NLMSG_DATA(n); | |
207 | ||
66e529f5 PM |
208 | if (n->nlmsg_type == NLMSG_ERROR && |
209 | (err->error == -EOPNOTSUPP || err->error == -EINVAL)) | |
1d934839 PM |
210 | have_rtnl_newlink = 0; |
211 | else | |
212 | have_rtnl_newlink = 1; | |
213 | return -1; | |
214 | } | |
215 | ||
216 | static int iplink_have_newlink(void) | |
217 | { | |
218 | struct { | |
219 | struct nlmsghdr n; | |
220 | struct ifinfomsg i; | |
221 | char buf[1024]; | |
d17b136f PS |
222 | } req = { |
223 | .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)), | |
224 | .n.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK, | |
225 | .n.nlmsg_type = RTM_NEWLINK, | |
226 | .i.ifi_family = AF_UNSPEC, | |
227 | }; | |
1d934839 PM |
228 | |
229 | if (have_rtnl_newlink < 0) { | |
d2468da0 SH |
230 | if (rtnl_send(&rth, &req.n, req.n.nlmsg_len) < 0) { |
231 | perror("request send failed"); | |
232 | exit(1); | |
233 | } | |
1d934839 PM |
234 | rtnl_listen(&rth, accept_msg, NULL); |
235 | } | |
236 | return have_rtnl_newlink; | |
237 | } | |
238 | #else /* IPLINK_IOCTL_COMPAT */ | |
239 | static int iplink_have_newlink(void) | |
240 | { | |
241 | return 1; | |
242 | } | |
243 | #endif /* ! IPLINK_IOCTL_COMPAT */ | |
244 | ||
65083b5f | 245 | static int nl_get_ll_addr_len(const char *ifname) |
8fe58d58 PS |
246 | { |
247 | int len; | |
65083b5f | 248 | int dev_index = ll_name_to_index(ifname); |
8fe58d58 PS |
249 | struct iplink_req req = { |
250 | .n = { | |
251 | .nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)), | |
252 | .nlmsg_type = RTM_GETLINK, | |
253 | .nlmsg_flags = NLM_F_REQUEST | |
254 | }, | |
255 | .i = { | |
256 | .ifi_family = preferred_family, | |
257 | .ifi_index = dev_index, | |
258 | } | |
259 | }; | |
86bf43c7 | 260 | struct nlmsghdr *answer; |
8fe58d58 PS |
261 | struct rtattr *tb[IFLA_MAX+1]; |
262 | ||
65083b5f SH |
263 | if (dev_index == 0) |
264 | return -1; | |
265 | ||
86bf43c7 | 266 | if (rtnl_talk(&rth, &req.n, &answer) < 0) |
8fe58d58 PS |
267 | return -1; |
268 | ||
86bf43c7 HL |
269 | len = answer->nlmsg_len - NLMSG_LENGTH(sizeof(struct ifinfomsg)); |
270 | if (len < 0) { | |
271 | free(answer); | |
8fe58d58 | 272 | return -1; |
86bf43c7 | 273 | } |
8fe58d58 | 274 | |
86bf43c7 HL |
275 | parse_rtattr_flags(tb, IFLA_MAX, IFLA_RTA(NLMSG_DATA(answer)), |
276 | len, NLA_F_NESTED); | |
277 | if (!tb[IFLA_ADDRESS]) { | |
278 | free(answer); | |
8fe58d58 | 279 | return -1; |
86bf43c7 | 280 | } |
8fe58d58 | 281 | |
06867c37 | 282 | len = RTA_PAYLOAD(tb[IFLA_ADDRESS]); |
86bf43c7 | 283 | free(answer); |
06867c37 | 284 | return len; |
8fe58d58 PS |
285 | } |
286 | ||
56e9f0ab MS |
287 | static void iplink_parse_vf_vlan_info(int vf, int *argcp, char ***argvp, |
288 | struct ifla_vf_vlan_info *ivvip) | |
289 | { | |
290 | int argc = *argcp; | |
291 | char **argv = *argvp; | |
ae8e1cb8 | 292 | unsigned int vci; |
56e9f0ab MS |
293 | |
294 | NEXT_ARG(); | |
ae8e1cb8 | 295 | if (get_unsigned(&vci, *argv, 0) || vci > 4095) |
56e9f0ab MS |
296 | invarg("Invalid \"vlan\" value\n", *argv); |
297 | ||
ae8e1cb8 | 298 | ivvip->vlan = vci; |
56e9f0ab MS |
299 | ivvip->vf = vf; |
300 | ivvip->qos = 0; | |
301 | ivvip->vlan_proto = htons(ETH_P_8021Q); | |
302 | if (NEXT_ARG_OK()) { | |
303 | NEXT_ARG(); | |
304 | if (matches(*argv, "qos") == 0) { | |
305 | NEXT_ARG(); | |
306 | if (get_unsigned(&ivvip->qos, *argv, 0)) | |
307 | invarg("Invalid \"qos\" value\n", *argv); | |
308 | } else { | |
309 | /* rewind arg */ | |
310 | PREV_ARG(); | |
311 | } | |
312 | } | |
313 | if (NEXT_ARG_OK()) { | |
314 | NEXT_ARG(); | |
315 | if (matches(*argv, "proto") == 0) { | |
316 | NEXT_ARG(); | |
317 | if (ll_proto_a2n(&ivvip->vlan_proto, *argv)) | |
318 | invarg("protocol is invalid\n", *argv); | |
319 | if (ivvip->vlan_proto != htons(ETH_P_8021AD) && | |
320 | ivvip->vlan_proto != htons(ETH_P_8021Q)) { | |
321 | SPRINT_BUF(b1); | |
322 | SPRINT_BUF(b2); | |
323 | char msg[64 + sizeof(b1) + sizeof(b2)]; | |
324 | ||
bb6ab47b SH |
325 | sprintf(msg, |
326 | "Invalid \"vlan protocol\" value - supported %s, %s\n", | |
56e9f0ab MS |
327 | ll_proto_n2a(htons(ETH_P_8021Q), |
328 | b1, sizeof(b1)), | |
329 | ll_proto_n2a(htons(ETH_P_8021AD), | |
330 | b2, sizeof(b2))); | |
331 | invarg(msg, *argv); | |
332 | } | |
333 | } else { | |
334 | /* rewind arg */ | |
335 | PREV_ARG(); | |
336 | } | |
337 | } | |
338 | ||
339 | *argcp = argc; | |
340 | *argvp = argv; | |
341 | } | |
342 | ||
d1f28cf1 | 343 | static int iplink_parse_vf(int vf, int *argcp, char ***argvp, |
65083b5f | 344 | struct iplink_req *req, const char *dev) |
3fd86630 | 345 | { |
f89a2a05 SC |
346 | char new_rate_api = 0, count = 0, override_legacy_rate = 0; |
347 | struct ifla_vf_rate tivt; | |
3fd86630 CW |
348 | int len, argc = *argcp; |
349 | char **argv = *argvp; | |
350 | struct rtattr *vfinfo; | |
1598b9ef | 351 | |
f89a2a05 SC |
352 | tivt.min_tx_rate = -1; |
353 | tivt.max_tx_rate = -1; | |
354 | ||
1598b9ef | 355 | vfinfo = addattr_nest(&req->n, sizeof(*req), IFLA_VF_INFO); |
3fd86630 | 356 | |
f89a2a05 SC |
357 | while (NEXT_ARG_OK()) { |
358 | NEXT_ARG(); | |
359 | count++; | |
360 | if (!matches(*argv, "max_tx_rate")) { | |
361 | /* new API in use */ | |
362 | new_rate_api = 1; | |
363 | /* override legacy rate */ | |
364 | override_legacy_rate = 1; | |
365 | } else if (!matches(*argv, "min_tx_rate")) { | |
366 | /* new API in use */ | |
367 | new_rate_api = 1; | |
368 | } | |
369 | } | |
370 | ||
371 | while (count--) { | |
372 | /* rewind arg */ | |
373 | PREV_ARG(); | |
374 | } | |
375 | ||
3fd86630 CW |
376 | while (NEXT_ARG_OK()) { |
377 | NEXT_ARG(); | |
1598b9ef | 378 | if (matches(*argv, "mac") == 0) { |
a89193a7 | 379 | struct ifla_vf_mac ivm = { 0 }; |
65083b5f | 380 | int halen = nl_get_ll_addr_len(dev); |
6c5ffb9a | 381 | |
3fd86630 | 382 | NEXT_ARG(); |
1598b9ef SH |
383 | ivm.vf = vf; |
384 | len = ll_addr_a2n((char *)ivm.mac, 32, *argv); | |
385 | if (len < 0) | |
386 | return -1; | |
8fe58d58 PS |
387 | if (halen > 0 && len != halen) { |
388 | fprintf(stderr, | |
389 | "Invalid address length %d - must be %d bytes\n", | |
390 | len, halen); | |
391 | return -1; | |
392 | } | |
ef0a738c SH |
393 | addattr_l(&req->n, sizeof(*req), IFLA_VF_MAC, |
394 | &ivm, sizeof(ivm)); | |
3fd86630 | 395 | } else if (matches(*argv, "vlan") == 0) { |
56e9f0ab | 396 | struct ifla_vf_vlan_info ivvi; |
6c5ffb9a | 397 | |
56e9f0ab MS |
398 | iplink_parse_vf_vlan_info(vf, &argc, &argv, &ivvi); |
399 | /* support the old interface in case of older kernel*/ | |
400 | if (ivvi.vlan_proto == htons(ETH_P_8021Q)) { | |
401 | struct ifla_vf_vlan ivv; | |
402 | ||
403 | ivv.vf = ivvi.vf; | |
404 | ivv.vlan = ivvi.vlan; | |
405 | ivv.qos = ivvi.qos; | |
406 | addattr_l(&req->n, sizeof(*req), | |
407 | IFLA_VF_VLAN, &ivv, sizeof(ivv)); | |
408 | } else { | |
409 | struct rtattr *vfvlanlist; | |
410 | ||
411 | vfvlanlist = addattr_nest(&req->n, sizeof(*req), | |
412 | IFLA_VF_VLAN_LIST); | |
413 | addattr_l(&req->n, sizeof(*req), | |
414 | IFLA_VF_VLAN_INFO, &ivvi, | |
415 | sizeof(ivvi)); | |
416 | ||
417 | while (NEXT_ARG_OK()) { | |
3fd86630 | 418 | NEXT_ARG(); |
56e9f0ab MS |
419 | if (matches(*argv, "vlan") != 0) { |
420 | PREV_ARG(); | |
421 | break; | |
422 | } | |
423 | iplink_parse_vf_vlan_info(vf, &argc, | |
424 | &argv, &ivvi); | |
425 | addattr_l(&req->n, sizeof(*req), | |
426 | IFLA_VF_VLAN_INFO, &ivvi, | |
427 | sizeof(ivvi)); | |
3fd86630 | 428 | } |
56e9f0ab | 429 | addattr_nest_end(&req->n, vfvlanlist); |
3fd86630 | 430 | } |
3fd86630 | 431 | } else if (matches(*argv, "rate") == 0) { |
1598b9ef | 432 | struct ifla_vf_tx_rate ivt; |
6c5ffb9a | 433 | |
3fd86630 | 434 | NEXT_ARG(); |
6c5ffb9a | 435 | if (get_unsigned(&ivt.rate, *argv, 0)) |
1598b9ef | 436 | invarg("Invalid \"rate\" value\n", *argv); |
6c5ffb9a | 437 | |
1598b9ef | 438 | ivt.vf = vf; |
f89a2a05 SC |
439 | if (!new_rate_api) |
440 | addattr_l(&req->n, sizeof(*req), | |
441 | IFLA_VF_TX_RATE, &ivt, sizeof(ivt)); | |
442 | else if (!override_legacy_rate) | |
443 | tivt.max_tx_rate = ivt.rate; | |
444 | ||
445 | } else if (matches(*argv, "max_tx_rate") == 0) { | |
446 | NEXT_ARG(); | |
447 | if (get_unsigned(&tivt.max_tx_rate, *argv, 0)) | |
448 | invarg("Invalid \"max tx rate\" value\n", | |
449 | *argv); | |
450 | tivt.vf = vf; | |
451 | ||
452 | } else if (matches(*argv, "min_tx_rate") == 0) { | |
453 | NEXT_ARG(); | |
454 | if (get_unsigned(&tivt.min_tx_rate, *argv, 0)) | |
455 | invarg("Invalid \"min tx rate\" value\n", | |
456 | *argv); | |
457 | tivt.vf = vf; | |
af89576d | 458 | |
7b8179c7 GR |
459 | } else if (matches(*argv, "spoofchk") == 0) { |
460 | struct ifla_vf_spoofchk ivs; | |
6c5ffb9a | 461 | |
7b8179c7 GR |
462 | NEXT_ARG(); |
463 | if (matches(*argv, "on") == 0) | |
464 | ivs.setting = 1; | |
465 | else if (matches(*argv, "off") == 0) | |
466 | ivs.setting = 0; | |
467 | else | |
ff1e35ed | 468 | return on_off("spoofchk", *argv); |
7b8179c7 | 469 | ivs.vf = vf; |
ef0a738c SH |
470 | addattr_l(&req->n, sizeof(*req), IFLA_VF_SPOOFCHK, |
471 | &ivs, sizeof(ivs)); | |
7b8179c7 | 472 | |
6c55c8c4 VZ |
473 | } else if (matches(*argv, "query_rss") == 0) { |
474 | struct ifla_vf_rss_query_en ivs; | |
6c5ffb9a | 475 | |
6c55c8c4 VZ |
476 | NEXT_ARG(); |
477 | if (matches(*argv, "on") == 0) | |
478 | ivs.setting = 1; | |
479 | else if (matches(*argv, "off") == 0) | |
480 | ivs.setting = 0; | |
481 | else | |
ff1e35ed | 482 | return on_off("query_rss", *argv); |
6c55c8c4 | 483 | ivs.vf = vf; |
ef0a738c SH |
484 | addattr_l(&req->n, sizeof(*req), IFLA_VF_RSS_QUERY_EN, |
485 | &ivs, sizeof(ivs)); | |
6c55c8c4 | 486 | |
b6d77d9e HS |
487 | } else if (matches(*argv, "trust") == 0) { |
488 | struct ifla_vf_trust ivt; | |
56f5daac | 489 | |
b6d77d9e HS |
490 | NEXT_ARG(); |
491 | if (matches(*argv, "on") == 0) | |
492 | ivt.setting = 1; | |
493 | else if (matches(*argv, "off") == 0) | |
494 | ivt.setting = 0; | |
495 | else | |
496 | invarg("Invalid \"trust\" value\n", *argv); | |
497 | ivt.vf = vf; | |
ef0a738c SH |
498 | addattr_l(&req->n, sizeof(*req), IFLA_VF_TRUST, |
499 | &ivt, sizeof(ivt)); | |
b6d77d9e | 500 | |
07fa9c15 RE |
501 | } else if (matches(*argv, "state") == 0) { |
502 | struct ifla_vf_link_state ivl; | |
6c5ffb9a | 503 | |
07fa9c15 RE |
504 | NEXT_ARG(); |
505 | if (matches(*argv, "auto") == 0) | |
506 | ivl.link_state = IFLA_VF_LINK_STATE_AUTO; | |
507 | else if (matches(*argv, "enable") == 0) | |
508 | ivl.link_state = IFLA_VF_LINK_STATE_ENABLE; | |
509 | else if (matches(*argv, "disable") == 0) | |
510 | ivl.link_state = IFLA_VF_LINK_STATE_DISABLE; | |
511 | else | |
512 | invarg("Invalid \"state\" value\n", *argv); | |
513 | ivl.vf = vf; | |
ef0a738c SH |
514 | addattr_l(&req->n, sizeof(*req), IFLA_VF_LINK_STATE, |
515 | &ivl, sizeof(ivl)); | |
d91fb3f4 EC |
516 | } else if (matches(*argv, "node_guid") == 0) { |
517 | struct ifla_vf_guid ivg; | |
518 | ||
519 | NEXT_ARG(); | |
520 | ivg.vf = vf; | |
521 | if (get_guid(&ivg.guid, *argv)) { | |
522 | invarg("Invalid GUID format\n", *argv); | |
523 | return -1; | |
524 | } | |
ef0a738c SH |
525 | addattr_l(&req->n, sizeof(*req), IFLA_VF_IB_NODE_GUID, |
526 | &ivg, sizeof(ivg)); | |
d91fb3f4 EC |
527 | } else if (matches(*argv, "port_guid") == 0) { |
528 | struct ifla_vf_guid ivg; | |
529 | ||
530 | NEXT_ARG(); | |
531 | ivg.vf = vf; | |
532 | if (get_guid(&ivg.guid, *argv)) { | |
533 | invarg("Invalid GUID format\n", *argv); | |
534 | return -1; | |
535 | } | |
ef0a738c SH |
536 | addattr_l(&req->n, sizeof(*req), IFLA_VF_IB_PORT_GUID, |
537 | &ivg, sizeof(ivg)); | |
3fd86630 CW |
538 | } else { |
539 | /* rewind arg */ | |
540 | PREV_ARG(); | |
541 | break; | |
542 | } | |
543 | } | |
544 | ||
f89a2a05 SC |
545 | if (new_rate_api) { |
546 | int tmin, tmax; | |
9a02651a | 547 | |
f89a2a05 | 548 | if (tivt.min_tx_rate == -1 || tivt.max_tx_rate == -1) { |
65083b5f | 549 | ipaddr_get_vf_rate(tivt.vf, &tmin, &tmax, dev); |
f89a2a05 SC |
550 | if (tivt.min_tx_rate == -1) |
551 | tivt.min_tx_rate = tmin; | |
552 | if (tivt.max_tx_rate == -1) | |
553 | tivt.max_tx_rate = tmax; | |
554 | } | |
04be08e0 GP |
555 | |
556 | if (tivt.max_tx_rate && tivt.min_tx_rate > tivt.max_tx_rate) { | |
557 | fprintf(stderr, | |
558 | "Invalid min_tx_rate %d - must be <= max_tx_rate %d\n", | |
559 | tivt.min_tx_rate, tivt.max_tx_rate); | |
560 | return -1; | |
561 | } | |
562 | ||
f89a2a05 SC |
563 | addattr_l(&req->n, sizeof(*req), IFLA_VF_RATE, &tivt, |
564 | sizeof(tivt)); | |
565 | } | |
566 | ||
3fd86630 CW |
567 | if (argc == *argcp) |
568 | incomplete_command(); | |
569 | ||
1598b9ef | 570 | addattr_nest_end(&req->n, vfinfo); |
3fd86630 CW |
571 | |
572 | *argcp = argc; | |
573 | *argvp = argv; | |
1598b9ef | 574 | return 0; |
3fd86630 CW |
575 | } |
576 | ||
c58213f6 | 577 | int iplink_parse(int argc, char **argv, struct iplink_req *req, char **type) |
1d934839 | 578 | { |
c58213f6 SP |
579 | char *name = NULL; |
580 | char *dev = NULL; | |
581 | char *link = NULL; | |
909dfe2c PE |
582 | int ret, len; |
583 | char abuf[32]; | |
1d934839 PM |
584 | int qlen = -1; |
585 | int mtu = -1; | |
e2613dc8 | 586 | int netns = -1; |
ae7229d5 | 587 | int vf = -1; |
d992f3e6 JP |
588 | int numtxqueues = -1; |
589 | int numrxqueues = -1; | |
ccdcbf35 | 590 | int link_netnsid = -1; |
c58213f6 SP |
591 | int index = 0; |
592 | int group = -1; | |
8fe58d58 | 593 | int addr_len = 0; |
1d934839 | 594 | |
909dfe2c | 595 | ret = argc; |
1d934839 PM |
596 | |
597 | while (argc > 0) { | |
598 | if (strcmp(*argv, "up") == 0) { | |
909dfe2c PE |
599 | req->i.ifi_change |= IFF_UP; |
600 | req->i.ifi_flags |= IFF_UP; | |
1d934839 | 601 | } else if (strcmp(*argv, "down") == 0) { |
909dfe2c PE |
602 | req->i.ifi_change |= IFF_UP; |
603 | req->i.ifi_flags &= ~IFF_UP; | |
1d934839 PM |
604 | } else if (strcmp(*argv, "name") == 0) { |
605 | NEXT_ARG(); | |
c58213f6 | 606 | if (name) |
a24315ba | 607 | duparg("name", *argv); |
625df645 PS |
608 | if (check_ifname(*argv)) |
609 | invarg("\"name\" not a valid ifname", *argv); | |
c58213f6 | 610 | name = *argv; |
65083b5f | 611 | if (!dev) |
c58213f6 | 612 | dev = name; |
5e25cf77 PE |
613 | } else if (strcmp(*argv, "index") == 0) { |
614 | NEXT_ARG(); | |
c58213f6 | 615 | if (index) |
b7ea12ae | 616 | duparg("index", *argv); |
c58213f6 SP |
617 | index = atoi(*argv); |
618 | if (index <= 0) | |
3c682146 | 619 | invarg("Invalid \"index\" value", *argv); |
1d934839 PM |
620 | } else if (matches(*argv, "link") == 0) { |
621 | NEXT_ARG(); | |
c58213f6 | 622 | link = *argv; |
1d934839 PM |
623 | } else if (matches(*argv, "address") == 0) { |
624 | NEXT_ARG(); | |
8fe58d58 | 625 | addr_len = ll_addr_a2n(abuf, sizeof(abuf), *argv); |
0aae2346 | 626 | if (addr_len < 0) |
cb2eb999 | 627 | return -1; |
bb6ab47b SH |
628 | addattr_l(&req->n, sizeof(*req), |
629 | IFLA_ADDRESS, abuf, addr_len); | |
1d934839 | 630 | } else if (matches(*argv, "broadcast") == 0 || |
6c5ffb9a | 631 | strcmp(*argv, "brd") == 0) { |
1d934839 PM |
632 | NEXT_ARG(); |
633 | len = ll_addr_a2n(abuf, sizeof(abuf), *argv); | |
cb2eb999 AH |
634 | if (len < 0) |
635 | return -1; | |
bb6ab47b SH |
636 | addattr_l(&req->n, sizeof(*req), |
637 | IFLA_BROADCAST, abuf, len); | |
1d934839 | 638 | } else if (matches(*argv, "txqueuelen") == 0 || |
6c5ffb9a SH |
639 | strcmp(*argv, "qlen") == 0 || |
640 | matches(*argv, "txqlen") == 0) { | |
1d934839 PM |
641 | NEXT_ARG(); |
642 | if (qlen != -1) | |
643 | duparg("txqueuelen", *argv); | |
644 | if (get_integer(&qlen, *argv, 0)) | |
645 | invarg("Invalid \"txqueuelen\" value\n", *argv); | |
bb6ab47b SH |
646 | addattr_l(&req->n, sizeof(*req), |
647 | IFLA_TXQLEN, &qlen, 4); | |
1d934839 PM |
648 | } else if (strcmp(*argv, "mtu") == 0) { |
649 | NEXT_ARG(); | |
650 | if (mtu != -1) | |
651 | duparg("mtu", *argv); | |
652 | if (get_integer(&mtu, *argv, 0)) | |
653 | invarg("Invalid \"mtu\" value\n", *argv); | |
909dfe2c | 654 | addattr_l(&req->n, sizeof(*req), IFLA_MTU, &mtu, 4); |
a872b870 | 655 | } else if (strcmp(*argv, "xdpgeneric") == 0 || |
14683814 | 656 | strcmp(*argv, "xdpdrv") == 0 || |
1b5e8094 | 657 | strcmp(*argv, "xdpoffload") == 0 || |
a872b870 DB |
658 | strcmp(*argv, "xdp") == 0) { |
659 | bool generic = strcmp(*argv, "xdpgeneric") == 0; | |
14683814 | 660 | bool drv = strcmp(*argv, "xdpdrv") == 0; |
1b5e8094 | 661 | bool offload = strcmp(*argv, "xdpoffload") == 0; |
a872b870 | 662 | |
c7272ca7 | 663 | NEXT_ARG(); |
65083b5f | 664 | if (xdp_parse(&argc, &argv, req, dev, |
4f2eb14f | 665 | generic, drv, offload)) |
c7272ca7 | 666 | exit(-1); |
a24315ba | 667 | |
c58213f6 SP |
668 | if (offload && name == dev) |
669 | dev = NULL; | |
4b726cb1 SH |
670 | } else if (strcmp(*argv, "netns") == 0) { |
671 | NEXT_ARG(); | |
672 | if (netns != -1) | |
673 | duparg("netns", *argv); | |
6c5ffb9a SH |
674 | netns = netns_get_fd(*argv); |
675 | if (netns >= 0) | |
ef0a738c SH |
676 | addattr_l(&req->n, sizeof(*req), IFLA_NET_NS_FD, |
677 | &netns, 4); | |
0dc34c77 | 678 | else if (get_integer(&netns, *argv, 0) == 0) |
bb6ab47b SH |
679 | addattr_l(&req->n, sizeof(*req), |
680 | IFLA_NET_NS_PID, &netns, 4); | |
0dc34c77 | 681 | else |
4b726cb1 | 682 | invarg("Invalid \"netns\" value\n", *argv); |
1d934839 PM |
683 | } else if (strcmp(*argv, "multicast") == 0) { |
684 | NEXT_ARG(); | |
909dfe2c | 685 | req->i.ifi_change |= IFF_MULTICAST; |
6c5ffb9a SH |
686 | |
687 | if (strcmp(*argv, "on") == 0) | |
909dfe2c | 688 | req->i.ifi_flags |= IFF_MULTICAST; |
6c5ffb9a | 689 | else if (strcmp(*argv, "off") == 0) |
909dfe2c | 690 | req->i.ifi_flags &= ~IFF_MULTICAST; |
6c5ffb9a | 691 | else |
14645ec2 | 692 | return on_off("multicast", *argv); |
1d934839 PM |
693 | } else if (strcmp(*argv, "allmulticast") == 0) { |
694 | NEXT_ARG(); | |
909dfe2c | 695 | req->i.ifi_change |= IFF_ALLMULTI; |
6c5ffb9a SH |
696 | |
697 | if (strcmp(*argv, "on") == 0) | |
909dfe2c | 698 | req->i.ifi_flags |= IFF_ALLMULTI; |
6c5ffb9a | 699 | else if (strcmp(*argv, "off") == 0) |
909dfe2c | 700 | req->i.ifi_flags &= ~IFF_ALLMULTI; |
6c5ffb9a | 701 | else |
14645ec2 | 702 | return on_off("allmulticast", *argv); |
1d934839 PM |
703 | } else if (strcmp(*argv, "promisc") == 0) { |
704 | NEXT_ARG(); | |
909dfe2c | 705 | req->i.ifi_change |= IFF_PROMISC; |
6c5ffb9a SH |
706 | |
707 | if (strcmp(*argv, "on") == 0) | |
909dfe2c | 708 | req->i.ifi_flags |= IFF_PROMISC; |
6c5ffb9a | 709 | else if (strcmp(*argv, "off") == 0) |
909dfe2c | 710 | req->i.ifi_flags &= ~IFF_PROMISC; |
6c5ffb9a | 711 | else |
14645ec2 | 712 | return on_off("promisc", *argv); |
1d934839 PM |
713 | } else if (strcmp(*argv, "trailers") == 0) { |
714 | NEXT_ARG(); | |
909dfe2c | 715 | req->i.ifi_change |= IFF_NOTRAILERS; |
6c5ffb9a SH |
716 | |
717 | if (strcmp(*argv, "off") == 0) | |
909dfe2c | 718 | req->i.ifi_flags |= IFF_NOTRAILERS; |
6c5ffb9a | 719 | else if (strcmp(*argv, "on") == 0) |
909dfe2c | 720 | req->i.ifi_flags &= ~IFF_NOTRAILERS; |
6c5ffb9a | 721 | else |
14645ec2 | 722 | return on_off("trailers", *argv); |
1d934839 PM |
723 | } else if (strcmp(*argv, "arp") == 0) { |
724 | NEXT_ARG(); | |
909dfe2c | 725 | req->i.ifi_change |= IFF_NOARP; |
6c5ffb9a SH |
726 | |
727 | if (strcmp(*argv, "on") == 0) | |
909dfe2c | 728 | req->i.ifi_flags &= ~IFF_NOARP; |
6c5ffb9a | 729 | else if (strcmp(*argv, "off") == 0) |
909dfe2c | 730 | req->i.ifi_flags |= IFF_NOARP; |
6c5ffb9a | 731 | else |
e543a6a8 | 732 | return on_off("arp", *argv); |
432b92a7 ZS |
733 | } else if (strcmp(*argv, "carrier") == 0) { |
734 | int carrier; | |
bb6ab47b | 735 | |
432b92a7 ZS |
736 | NEXT_ARG(); |
737 | if (strcmp(*argv, "on") == 0) | |
738 | carrier = 1; | |
739 | else if (strcmp(*argv, "off") == 0) | |
740 | carrier = 0; | |
741 | else | |
742 | return on_off("carrier", *argv); | |
743 | ||
744 | addattr8(&req->n, sizeof(*req), IFLA_CARRIER, carrier); | |
ae7229d5 | 745 | } else if (strcmp(*argv, "vf") == 0) { |
1598b9ef | 746 | struct rtattr *vflist; |
6c5ffb9a | 747 | |
ae7229d5 | 748 | NEXT_ARG(); |
6c5ffb9a | 749 | if (get_integer(&vf, *argv, 0)) |
ae7229d5 | 750 | invarg("Invalid \"vf\" value\n", *argv); |
6c5ffb9a | 751 | |
1598b9ef SH |
752 | vflist = addattr_nest(&req->n, sizeof(*req), |
753 | IFLA_VFINFO_LIST); | |
65083b5f | 754 | if (!dev) |
9a02651a SH |
755 | missarg("dev"); |
756 | ||
65083b5f | 757 | len = iplink_parse_vf(vf, &argc, &argv, req, dev); |
1598b9ef SH |
758 | if (len < 0) |
759 | return -1; | |
760 | addattr_nest_end(&req->n, vflist); | |
a24315ba | 761 | |
c58213f6 SP |
762 | if (name == dev) |
763 | dev = NULL; | |
a1e191b9 JP |
764 | } else if (matches(*argv, "master") == 0) { |
765 | int ifindex; | |
6c5ffb9a | 766 | |
a1e191b9 JP |
767 | NEXT_ARG(); |
768 | ifindex = ll_name_to_index(*argv); | |
769 | if (!ifindex) | |
770 | invarg("Device does not exist\n", *argv); | |
771 | addattr_l(&req->n, sizeof(*req), IFLA_MASTER, | |
772 | &ifindex, 4); | |
104444c2 DA |
773 | } else if (strcmp(*argv, "vrf") == 0) { |
774 | int ifindex; | |
775 | ||
776 | NEXT_ARG(); | |
777 | ifindex = ll_name_to_index(*argv); | |
778 | if (!ifindex) | |
779 | invarg("Not a valid VRF name\n", *argv); | |
780 | if (!name_is_vrf(*argv)) | |
781 | invarg("Not a valid VRF name\n", *argv); | |
782 | addattr_l(&req->n, sizeof(*req), IFLA_MASTER, | |
783 | &ifindex, sizeof(ifindex)); | |
a1e191b9 JP |
784 | } else if (matches(*argv, "nomaster") == 0) { |
785 | int ifindex = 0; | |
6c5ffb9a | 786 | |
a1e191b9 JP |
787 | addattr_l(&req->n, sizeof(*req), IFLA_MASTER, |
788 | &ifindex, 4); | |
1d934839 PM |
789 | } else if (matches(*argv, "dynamic") == 0) { |
790 | NEXT_ARG(); | |
909dfe2c | 791 | req->i.ifi_change |= IFF_DYNAMIC; |
6c5ffb9a SH |
792 | |
793 | if (strcmp(*argv, "on") == 0) | |
909dfe2c | 794 | req->i.ifi_flags |= IFF_DYNAMIC; |
6c5ffb9a | 795 | else if (strcmp(*argv, "off") == 0) |
909dfe2c | 796 | req->i.ifi_flags &= ~IFF_DYNAMIC; |
6c5ffb9a | 797 | else |
14645ec2 | 798 | return on_off("dynamic", *argv); |
1d934839 PM |
799 | } else if (matches(*argv, "type") == 0) { |
800 | NEXT_ARG(); | |
909dfe2c | 801 | *type = *argv; |
1d934839 PM |
802 | argc--; argv++; |
803 | break; | |
ace9c961 | 804 | } else if (matches(*argv, "alias") == 0) { |
c4fb35bd | 805 | NEXT_ARG(); |
f88becf3 SP |
806 | len = strlen(*argv); |
807 | if (len >= IFALIASZ) | |
808 | invarg("alias too long\n", *argv); | |
ace9c961 | 809 | addattr_l(&req->n, sizeof(*req), IFLA_IFALIAS, |
f88becf3 | 810 | *argv, len); |
db02608b VD |
811 | } else if (strcmp(*argv, "group") == 0) { |
812 | NEXT_ARG(); | |
c58213f6 | 813 | if (group != -1) |
db02608b | 814 | duparg("group", *argv); |
c58213f6 | 815 | if (rtnl_group_a2n(&group, *argv)) |
db02608b | 816 | invarg("Invalid \"group\" value\n", *argv); |
c58213f6 | 817 | addattr32(&req->n, sizeof(*req), IFLA_GROUP, group); |
82499282 SH |
818 | } else if (strcmp(*argv, "mode") == 0) { |
819 | int mode; | |
6c5ffb9a | 820 | |
82499282 | 821 | NEXT_ARG(); |
4ccfb44d | 822 | mode = get_link_mode(*argv); |
82499282 SH |
823 | if (mode < 0) |
824 | invarg("Invalid link mode\n", *argv); | |
825 | addattr8(&req->n, sizeof(*req), IFLA_LINKMODE, mode); | |
4f2fdd44 SH |
826 | } else if (strcmp(*argv, "state") == 0) { |
827 | int state; | |
6c5ffb9a | 828 | |
4f2fdd44 SH |
829 | NEXT_ARG(); |
830 | state = get_operstate(*argv); | |
831 | if (state < 0) | |
832 | invarg("Invalid operstate\n", *argv); | |
833 | ||
834 | addattr8(&req->n, sizeof(*req), IFLA_OPERSTATE, state); | |
d992f3e6 JP |
835 | } else if (matches(*argv, "numtxqueues") == 0) { |
836 | NEXT_ARG(); | |
837 | if (numtxqueues != -1) | |
838 | duparg("numtxqueues", *argv); | |
839 | if (get_integer(&numtxqueues, *argv, 0)) | |
bb6ab47b SH |
840 | invarg("Invalid \"numtxqueues\" value\n", |
841 | *argv); | |
d992f3e6 JP |
842 | addattr_l(&req->n, sizeof(*req), IFLA_NUM_TX_QUEUES, |
843 | &numtxqueues, 4); | |
844 | } else if (matches(*argv, "numrxqueues") == 0) { | |
845 | NEXT_ARG(); | |
846 | if (numrxqueues != -1) | |
847 | duparg("numrxqueues", *argv); | |
848 | if (get_integer(&numrxqueues, *argv, 0)) | |
bb6ab47b SH |
849 | invarg("Invalid \"numrxqueues\" value\n", |
850 | *argv); | |
d992f3e6 JP |
851 | addattr_l(&req->n, sizeof(*req), IFLA_NUM_RX_QUEUES, |
852 | &numrxqueues, 4); | |
ff7c2084 JP |
853 | } else if (matches(*argv, "addrgenmode") == 0) { |
854 | struct rtattr *afs, *afs6; | |
855 | int mode; | |
6c5ffb9a | 856 | |
ff7c2084 JP |
857 | NEXT_ARG(); |
858 | mode = get_addr_gen_mode(*argv); | |
859 | if (mode < 0) | |
bb6ab47b SH |
860 | invarg("Invalid address generation mode\n", |
861 | *argv); | |
ff7c2084 JP |
862 | afs = addattr_nest(&req->n, sizeof(*req), IFLA_AF_SPEC); |
863 | afs6 = addattr_nest(&req->n, sizeof(*req), AF_INET6); | |
ef0a738c SH |
864 | addattr8(&req->n, sizeof(*req), |
865 | IFLA_INET6_ADDR_GEN_MODE, mode); | |
ff7c2084 JP |
866 | addattr_nest_end(&req->n, afs6); |
867 | addattr_nest_end(&req->n, afs); | |
974ef93b ND |
868 | } else if (matches(*argv, "link-netns") == 0) { |
869 | NEXT_ARG(); | |
870 | if (link_netnsid != -1) | |
871 | duparg("link-netns/link-netnsid", *argv); | |
872 | link_netnsid = get_netnsid_from_name(*argv); | |
873 | /* No nsid? Try to assign one. */ | |
874 | if (link_netnsid < 0) | |
875 | set_netnsid_from_name(*argv, -1); | |
876 | link_netnsid = get_netnsid_from_name(*argv); | |
877 | if (link_netnsid < 0) | |
878 | invarg("Invalid \"link-netns\" value\n", | |
879 | *argv); | |
880 | addattr32(&req->n, sizeof(*req), IFLA_LINK_NETNSID, | |
881 | link_netnsid); | |
ccdcbf35 ND |
882 | } else if (matches(*argv, "link-netnsid") == 0) { |
883 | NEXT_ARG(); | |
884 | if (link_netnsid != -1) | |
974ef93b | 885 | duparg("link-netns/link-netnsid", *argv); |
ccdcbf35 | 886 | if (get_integer(&link_netnsid, *argv, 0)) |
bb6ab47b SH |
887 | invarg("Invalid \"link-netnsid\" value\n", |
888 | *argv); | |
ccdcbf35 ND |
889 | addattr32(&req->n, sizeof(*req), IFLA_LINK_NETNSID, |
890 | link_netnsid); | |
18864827 AK |
891 | } else if (strcmp(*argv, "protodown") == 0) { |
892 | unsigned int proto_down; | |
893 | ||
894 | NEXT_ARG(); | |
895 | if (strcmp(*argv, "on") == 0) | |
896 | proto_down = 1; | |
897 | else if (strcmp(*argv, "off") == 0) | |
898 | proto_down = 0; | |
899 | else | |
900 | return on_off("protodown", *argv); | |
901 | addattr8(&req->n, sizeof(*req), IFLA_PROTO_DOWN, | |
902 | proto_down); | |
c2db423f SH |
903 | } else if (strcmp(*argv, "gso_max_size") == 0) { |
904 | unsigned int max_size; | |
905 | ||
906 | NEXT_ARG(); | |
051274b4 | 907 | if (get_unsigned(&max_size, *argv, 0) || |
08f9d166 | 908 | max_size > GSO_MAX_SIZE) |
c2db423f SH |
909 | invarg("Invalid \"gso_max_size\" value\n", |
910 | *argv); | |
08f9d166 SH |
911 | addattr32(&req->n, sizeof(*req), |
912 | IFLA_GSO_MAX_SIZE, max_size); | |
c2db423f SH |
913 | } else if (strcmp(*argv, "gso_max_segs") == 0) { |
914 | unsigned int max_segs; | |
915 | ||
916 | NEXT_ARG(); | |
08f9d166 SH |
917 | if (get_unsigned(&max_segs, *argv, 0) || |
918 | max_segs > GSO_MAX_SEGS) | |
c2db423f SH |
919 | invarg("Invalid \"gso_max_segs\" value\n", |
920 | *argv); | |
08f9d166 SH |
921 | addattr32(&req->n, sizeof(*req), |
922 | IFLA_GSO_MAX_SEGS, max_segs); | |
1d934839 | 923 | } else { |
05325552 PM |
924 | if (matches(*argv, "help") == 0) |
925 | usage(); | |
940a96e6 PS |
926 | |
927 | if (strcmp(*argv, "dev") == 0) | |
928 | NEXT_ARG(); | |
c58213f6 | 929 | if (dev != name) |
1d934839 | 930 | duparg2("dev", *argv); |
625df645 PS |
931 | if (check_ifname(*argv)) |
932 | invarg("\"dev\" not a valid ifname", *argv); | |
c58213f6 | 933 | dev = *argv; |
1d934839 PM |
934 | } |
935 | argc--; argv++; | |
936 | } | |
937 | ||
c58213f6 SP |
938 | ret -= argc; |
939 | ||
a24315ba | 940 | /* Allow "ip link add dev" and "ip link add name" */ |
c58213f6 SP |
941 | if (!name) |
942 | name = dev; | |
943 | else if (!dev) | |
944 | dev = name; | |
945 | else if (!strcmp(name, dev)) | |
946 | name = dev; | |
a24315ba | 947 | |
65083b5f SH |
948 | if (dev && addr_len) { |
949 | int halen = nl_get_ll_addr_len(dev); | |
ef0a738c | 950 | |
8fe58d58 PS |
951 | if (halen >= 0 && halen != addr_len) { |
952 | fprintf(stderr, | |
ef0a738c SH |
953 | "Invalid address length %d - must be %d bytes\n", |
954 | addr_len, halen); | |
8fe58d58 PS |
955 | return -1; |
956 | } | |
957 | } | |
958 | ||
c58213f6 | 959 | if (!(req->n.nlmsg_flags & NLM_F_CREATE) && index) { |
b06a2960 SP |
960 | fprintf(stderr, |
961 | "index can be used only when creating devices.\n"); | |
962 | exit(-1); | |
963 | } | |
964 | ||
db02608b | 965 | if (group != -1) { |
c58213f6 | 966 | if (!dev) { |
db02608b | 967 | if (argc) { |
6773bcc2 SH |
968 | fprintf(stderr, |
969 | "Garbage instead of arguments \"%s ...\". Try \"ip link help\".\n", | |
970 | *argv); | |
c58213f6 | 971 | exit(-1); |
db02608b | 972 | } |
c58213f6 | 973 | if (req->n.nlmsg_flags & NLM_F_CREATE) { |
bb6ab47b SH |
974 | fprintf(stderr, |
975 | "group cannot be used when creating devices.\n"); | |
c58213f6 | 976 | exit(-1); |
db02608b VD |
977 | } |
978 | ||
c58213f6 SP |
979 | *type = NULL; |
980 | return ret; | |
db02608b VD |
981 | } |
982 | } | |
983 | ||
c58213f6 | 984 | if (!(req->n.nlmsg_flags & NLM_F_CREATE)) { |
1d934839 | 985 | if (!dev) { |
bb6ab47b SH |
986 | fprintf(stderr, |
987 | "Not enough information: \"dev\" argument is required.\n"); | |
1d934839 PM |
988 | exit(-1); |
989 | } | |
990 | ||
c58213f6 SP |
991 | req->i.ifi_index = ll_name_to_index(dev); |
992 | if (!req->i.ifi_index) | |
fe99adbc | 993 | return nodev(dev); |
a24315ba SP |
994 | |
995 | /* Not renaming to the same name */ | |
996 | if (name == dev) | |
997 | name = NULL; | |
1d934839 | 998 | } else { |
a24315ba SP |
999 | if (name != dev) { |
1000 | fprintf(stderr, | |
1001 | "both \"name\" and \"dev\" cannot be used when creating devices.\n"); | |
1002 | exit(-1); | |
1003 | } | |
1d934839 PM |
1004 | |
1005 | if (link) { | |
1006 | int ifindex; | |
1007 | ||
1008 | ifindex = ll_name_to_index(link); | |
fe99adbc SP |
1009 | if (!ifindex) |
1010 | return nodev(link); | |
c58213f6 | 1011 | addattr32(&req->n, sizeof(*req), IFLA_LINK, ifindex); |
1d934839 | 1012 | } |
5e25cf77 | 1013 | |
c58213f6 | 1014 | req->i.ifi_index = index; |
1d934839 PM |
1015 | } |
1016 | ||
1017 | if (name) { | |
c58213f6 | 1018 | addattr_l(&req->n, sizeof(*req), |
625df645 | 1019 | IFLA_IFNAME, name, strlen(name) + 1); |
1d934839 PM |
1020 | } |
1021 | ||
c58213f6 SP |
1022 | return ret; |
1023 | } | |
1024 | ||
1025 | static int iplink_modify(int cmd, unsigned int flags, int argc, char **argv) | |
1026 | { | |
1027 | char *type = NULL; | |
1028 | struct iplink_req req = { | |
1029 | .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)), | |
1030 | .n.nlmsg_flags = NLM_F_REQUEST | flags, | |
1031 | .n.nlmsg_type = cmd, | |
1032 | .i.ifi_family = preferred_family, | |
1033 | }; | |
1034 | int ret; | |
1035 | ||
1036 | ret = iplink_parse(argc, argv, &req, &type); | |
1037 | if (ret < 0) | |
1038 | return ret; | |
1039 | ||
09fa3279 | 1040 | if (type) { |
c58213f6 | 1041 | struct link_util *lu; |
a1e2e5fc | 1042 | struct rtattr *linkinfo; |
22a84711 | 1043 | char *ulinep = strchr(type, '_'); |
620ddeda NA |
1044 | int iflatype; |
1045 | ||
a1e2e5fc | 1046 | linkinfo = addattr_nest(&req.n, sizeof(req), IFLA_LINKINFO); |
09fa3279 SH |
1047 | addattr_l(&req.n, sizeof(req), IFLA_INFO_KIND, type, |
1048 | strlen(type)); | |
1049 | ||
22a84711 HL |
1050 | lu = get_link_kind(type); |
1051 | if (ulinep && !strcmp(ulinep, "_slave")) | |
620ddeda | 1052 | iflatype = IFLA_INFO_SLAVE_DATA; |
22a84711 | 1053 | else |
620ddeda | 1054 | iflatype = IFLA_INFO_DATA; |
c58213f6 SP |
1055 | |
1056 | argc -= ret; | |
1057 | argv += ret; | |
1058 | ||
09fa3279 | 1059 | if (lu && argc) { |
c14f9d92 SP |
1060 | struct rtattr *data; |
1061 | ||
1062 | data = addattr_nest(&req.n, sizeof(req), iflatype); | |
09fa3279 SH |
1063 | |
1064 | if (lu->parse_opt && | |
1065 | lu->parse_opt(lu, argc, argv, &req.n)) | |
1066 | return -1; | |
1067 | ||
a1e2e5fc | 1068 | addattr_nest_end(&req.n, data); |
09fa3279 SH |
1069 | } else if (argc) { |
1070 | if (matches(*argv, "help") == 0) | |
1071 | usage(); | |
6773bcc2 SH |
1072 | fprintf(stderr, |
1073 | "Garbage instead of arguments \"%s ...\". Try \"ip link help\".\n", | |
1074 | *argv); | |
09fa3279 SH |
1075 | return -1; |
1076 | } | |
a1e2e5fc | 1077 | addattr_nest_end(&req.n, linkinfo); |
09fa3279 | 1078 | } else if (flags & NLM_F_CREATE) { |
bb6ab47b SH |
1079 | fprintf(stderr, |
1080 | "Not enough information: \"type\" argument is required\n"); | |
09fa3279 SH |
1081 | return -1; |
1082 | } | |
1083 | ||
86bf43c7 | 1084 | if (rtnl_talk(&rth, &req.n, NULL) < 0) |
f921f567 | 1085 | return -2; |
1d934839 PM |
1086 | |
1087 | return 0; | |
1088 | } | |
1089 | ||
50b9950d RP |
1090 | int iplink_get(unsigned int flags, char *name, __u32 filt_mask) |
1091 | { | |
d17b136f PS |
1092 | struct iplink_req req = { |
1093 | .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)), | |
1094 | .n.nlmsg_flags = NLM_F_REQUEST | flags, | |
1095 | .n.nlmsg_type = RTM_GETLINK, | |
1096 | .i.ifi_family = preferred_family, | |
1097 | }; | |
86bf43c7 | 1098 | struct nlmsghdr *answer; |
50b9950d | 1099 | |
50b9950d | 1100 | if (name) { |
625df645 PS |
1101 | addattr_l(&req.n, sizeof(req), |
1102 | IFLA_IFNAME, name, strlen(name) + 1); | |
50b9950d RP |
1103 | } |
1104 | addattr32(&req.n, sizeof(req), IFLA_EXT_MASK, filt_mask); | |
1105 | ||
86bf43c7 | 1106 | if (rtnl_talk(&rth, &req.n, &answer) < 0) |
50b9950d RP |
1107 | return -2; |
1108 | ||
e4a1216a | 1109 | open_json_object(NULL); |
c956e9a9 | 1110 | print_linkinfo(NULL, answer, stdout); |
e4a1216a | 1111 | close_json_object(); |
50b9950d | 1112 | |
86bf43c7 | 1113 | free(answer); |
50b9950d RP |
1114 | return 0; |
1115 | } | |
1116 | ||
1d934839 | 1117 | #if IPLINK_IOCTL_COMPAT |
aba5acdf SH |
1118 | static int get_ctl_fd(void) |
1119 | { | |
1120 | int s_errno; | |
1121 | int fd; | |
1122 | ||
1123 | fd = socket(PF_INET, SOCK_DGRAM, 0); | |
1124 | if (fd >= 0) | |
1125 | return fd; | |
1126 | s_errno = errno; | |
1127 | fd = socket(PF_PACKET, SOCK_DGRAM, 0); | |
1128 | if (fd >= 0) | |
1129 | return fd; | |
1130 | fd = socket(PF_INET6, SOCK_DGRAM, 0); | |
1131 | if (fd >= 0) | |
1132 | return fd; | |
1133 | errno = s_errno; | |
1134 | perror("Cannot create control socket"); | |
1135 | return -1; | |
1136 | } | |
1137 | ||
71058eb8 | 1138 | static int do_chflags(const char *dev, __u32 flags, __u32 mask) |
aba5acdf SH |
1139 | { |
1140 | struct ifreq ifr; | |
1141 | int fd; | |
1142 | int err; | |
1143 | ||
fc9d755a | 1144 | strlcpy(ifr.ifr_name, dev, IFNAMSIZ); |
aba5acdf SH |
1145 | fd = get_ctl_fd(); |
1146 | if (fd < 0) | |
1147 | return -1; | |
1148 | err = ioctl(fd, SIOCGIFFLAGS, &ifr); | |
1149 | if (err) { | |
1150 | perror("SIOCGIFFLAGS"); | |
1151 | close(fd); | |
1152 | return -1; | |
1153 | } | |
1154 | if ((ifr.ifr_flags^flags)&mask) { | |
1155 | ifr.ifr_flags &= ~mask; | |
1156 | ifr.ifr_flags |= mask&flags; | |
1157 | err = ioctl(fd, SIOCSIFFLAGS, &ifr); | |
1158 | if (err) | |
1159 | perror("SIOCSIFFLAGS"); | |
1160 | } | |
1161 | close(fd); | |
1162 | return err; | |
1163 | } | |
1164 | ||
71058eb8 | 1165 | static int do_changename(const char *dev, const char *newdev) |
aba5acdf SH |
1166 | { |
1167 | struct ifreq ifr; | |
1168 | int fd; | |
1169 | int err; | |
1170 | ||
fc9d755a SH |
1171 | strlcpy(ifr.ifr_name, dev, IFNAMSIZ); |
1172 | strlcpy(ifr.ifr_newname, newdev, IFNAMSIZ); | |
aba5acdf SH |
1173 | fd = get_ctl_fd(); |
1174 | if (fd < 0) | |
1175 | return -1; | |
1176 | err = ioctl(fd, SIOCSIFNAME, &ifr); | |
1177 | if (err) { | |
1178 | perror("SIOCSIFNAME"); | |
1179 | close(fd); | |
1180 | return -1; | |
1181 | } | |
1182 | close(fd); | |
1183 | return err; | |
1184 | } | |
1185 | ||
71058eb8 | 1186 | static int set_qlen(const char *dev, int qlen) |
aba5acdf | 1187 | { |
d17b136f | 1188 | struct ifreq ifr = { .ifr_qlen = qlen }; |
aba5acdf SH |
1189 | int s; |
1190 | ||
1191 | s = get_ctl_fd(); | |
1192 | if (s < 0) | |
1193 | return -1; | |
1194 | ||
fc9d755a | 1195 | strlcpy(ifr.ifr_name, dev, IFNAMSIZ); |
aba5acdf SH |
1196 | if (ioctl(s, SIOCSIFTXQLEN, &ifr) < 0) { |
1197 | perror("SIOCSIFXQLEN"); | |
1198 | close(s); | |
1199 | return -1; | |
1200 | } | |
1201 | close(s); | |
1202 | ||
ae665a52 | 1203 | return 0; |
aba5acdf SH |
1204 | } |
1205 | ||
71058eb8 | 1206 | static int set_mtu(const char *dev, int mtu) |
aba5acdf | 1207 | { |
d17b136f | 1208 | struct ifreq ifr = { .ifr_mtu = mtu }; |
aba5acdf SH |
1209 | int s; |
1210 | ||
1211 | s = get_ctl_fd(); | |
1212 | if (s < 0) | |
1213 | return -1; | |
1214 | ||
fc9d755a | 1215 | strlcpy(ifr.ifr_name, dev, IFNAMSIZ); |
aba5acdf SH |
1216 | if (ioctl(s, SIOCSIFMTU, &ifr) < 0) { |
1217 | perror("SIOCSIFMTU"); | |
1218 | close(s); | |
1219 | return -1; | |
1220 | } | |
1221 | close(s); | |
1222 | ||
ae665a52 | 1223 | return 0; |
aba5acdf SH |
1224 | } |
1225 | ||
71058eb8 | 1226 | static int get_address(const char *dev, int *htype) |
aba5acdf | 1227 | { |
d17b136f PS |
1228 | struct ifreq ifr = {}; |
1229 | struct sockaddr_ll me = { | |
1230 | .sll_family = AF_PACKET, | |
1231 | .sll_protocol = htons(ETH_P_LOOP), | |
1232 | }; | |
f332d169 | 1233 | socklen_t alen; |
aba5acdf SH |
1234 | int s; |
1235 | ||
1236 | s = socket(PF_PACKET, SOCK_DGRAM, 0); | |
ae665a52 | 1237 | if (s < 0) { |
aba5acdf SH |
1238 | perror("socket(PF_PACKET)"); |
1239 | return -1; | |
1240 | } | |
1241 | ||
fc9d755a | 1242 | strlcpy(ifr.ifr_name, dev, IFNAMSIZ); |
aba5acdf SH |
1243 | if (ioctl(s, SIOCGIFINDEX, &ifr) < 0) { |
1244 | perror("SIOCGIFINDEX"); | |
1245 | close(s); | |
1246 | return -1; | |
1247 | } | |
1248 | ||
aba5acdf | 1249 | me.sll_ifindex = ifr.ifr_ifindex; |
6c5ffb9a | 1250 | if (bind(s, (struct sockaddr *)&me, sizeof(me)) == -1) { |
aba5acdf SH |
1251 | perror("bind"); |
1252 | close(s); | |
1253 | return -1; | |
1254 | } | |
1255 | ||
1256 | alen = sizeof(me); | |
6c5ffb9a | 1257 | if (getsockname(s, (struct sockaddr *)&me, &alen) == -1) { |
aba5acdf SH |
1258 | perror("getsockname"); |
1259 | close(s); | |
1260 | return -1; | |
1261 | } | |
1262 | close(s); | |
1263 | *htype = me.sll_hatype; | |
1264 | return me.sll_halen; | |
1265 | } | |
1266 | ||
ae665a52 | 1267 | static int parse_address(const char *dev, int hatype, int halen, |
7b565754 | 1268 | char *lla, struct ifreq *ifr) |
aba5acdf SH |
1269 | { |
1270 | int alen; | |
1271 | ||
1272 | memset(ifr, 0, sizeof(*ifr)); | |
fc9d755a | 1273 | strlcpy(ifr->ifr_name, dev, IFNAMSIZ); |
aba5acdf SH |
1274 | ifr->ifr_hwaddr.sa_family = hatype; |
1275 | alen = ll_addr_a2n(ifr->ifr_hwaddr.sa_data, 14, lla); | |
1276 | if (alen < 0) | |
1277 | return -1; | |
1278 | if (alen != halen) { | |
bb6ab47b SH |
1279 | fprintf(stderr, |
1280 | "Wrong address (%s) length: expected %d bytes\n", | |
ef0a738c | 1281 | lla, halen); |
aba5acdf SH |
1282 | return -1; |
1283 | } | |
ae665a52 | 1284 | return 0; |
aba5acdf SH |
1285 | } |
1286 | ||
1287 | static int set_address(struct ifreq *ifr, int brd) | |
1288 | { | |
1289 | int s; | |
1290 | ||
1291 | s = get_ctl_fd(); | |
1292 | if (s < 0) | |
1293 | return -1; | |
1294 | if (ioctl(s, brd?SIOCSIFHWBROADCAST:SIOCSIFHWADDR, ifr) < 0) { | |
1295 | perror(brd?"SIOCSIFHWBROADCAST":"SIOCSIFHWADDR"); | |
1296 | close(s); | |
1297 | return -1; | |
1298 | } | |
1299 | close(s); | |
ae665a52 | 1300 | return 0; |
aba5acdf SH |
1301 | } |
1302 | ||
aba5acdf SH |
1303 | static int do_set(int argc, char **argv) |
1304 | { | |
1305 | char *dev = NULL; | |
1306 | __u32 mask = 0; | |
1307 | __u32 flags = 0; | |
1308 | int qlen = -1; | |
1309 | int mtu = -1; | |
1310 | char *newaddr = NULL; | |
1311 | char *newbrd = NULL; | |
1312 | struct ifreq ifr0, ifr1; | |
1313 | char *newname = NULL; | |
1314 | int htype, halen; | |
1315 | ||
1316 | while (argc > 0) { | |
1317 | if (strcmp(*argv, "up") == 0) { | |
1318 | mask |= IFF_UP; | |
1319 | flags |= IFF_UP; | |
1320 | } else if (strcmp(*argv, "down") == 0) { | |
1321 | mask |= IFF_UP; | |
1322 | flags &= ~IFF_UP; | |
1323 | } else if (strcmp(*argv, "name") == 0) { | |
1324 | NEXT_ARG(); | |
625df645 PS |
1325 | if (check_ifname(*argv)) |
1326 | invarg("\"name\" not a valid ifname", *argv); | |
aba5acdf SH |
1327 | newname = *argv; |
1328 | } else if (matches(*argv, "address") == 0) { | |
1329 | NEXT_ARG(); | |
1330 | newaddr = *argv; | |
1331 | } else if (matches(*argv, "broadcast") == 0 || | |
1332 | strcmp(*argv, "brd") == 0) { | |
1333 | NEXT_ARG(); | |
1334 | newbrd = *argv; | |
1335 | } else if (matches(*argv, "txqueuelen") == 0 || | |
1336 | strcmp(*argv, "qlen") == 0 || | |
1337 | matches(*argv, "txqlen") == 0) { | |
1338 | NEXT_ARG(); | |
1339 | if (qlen != -1) | |
1340 | duparg("txqueuelen", *argv); | |
1341 | if (get_integer(&qlen, *argv, 0)) | |
1342 | invarg("Invalid \"txqueuelen\" value\n", *argv); | |
1343 | } else if (strcmp(*argv, "mtu") == 0) { | |
1344 | NEXT_ARG(); | |
1345 | if (mtu != -1) | |
1346 | duparg("mtu", *argv); | |
1347 | if (get_integer(&mtu, *argv, 0)) | |
1348 | invarg("Invalid \"mtu\" value\n", *argv); | |
1349 | } else if (strcmp(*argv, "multicast") == 0) { | |
1350 | NEXT_ARG(); | |
1351 | mask |= IFF_MULTICAST; | |
6c5ffb9a SH |
1352 | |
1353 | if (strcmp(*argv, "on") == 0) | |
aba5acdf | 1354 | flags |= IFF_MULTICAST; |
6c5ffb9a | 1355 | else if (strcmp(*argv, "off") == 0) |
aba5acdf | 1356 | flags &= ~IFF_MULTICAST; |
6c5ffb9a | 1357 | else |
14645ec2 | 1358 | return on_off("multicast", *argv); |
d27b1b5b | 1359 | } else if (strcmp(*argv, "allmulticast") == 0) { |
1360 | NEXT_ARG(); | |
1361 | mask |= IFF_ALLMULTI; | |
6c5ffb9a SH |
1362 | |
1363 | if (strcmp(*argv, "on") == 0) | |
d27b1b5b | 1364 | flags |= IFF_ALLMULTI; |
6c5ffb9a | 1365 | else if (strcmp(*argv, "off") == 0) |
d27b1b5b | 1366 | flags &= ~IFF_ALLMULTI; |
6c5ffb9a | 1367 | else |
14645ec2 | 1368 | return on_off("allmulticast", *argv); |
d27b1b5b | 1369 | } else if (strcmp(*argv, "promisc") == 0) { |
1370 | NEXT_ARG(); | |
1371 | mask |= IFF_PROMISC; | |
6c5ffb9a SH |
1372 | |
1373 | if (strcmp(*argv, "on") == 0) | |
d27b1b5b | 1374 | flags |= IFF_PROMISC; |
6c5ffb9a | 1375 | else if (strcmp(*argv, "off") == 0) |
d27b1b5b | 1376 | flags &= ~IFF_PROMISC; |
6c5ffb9a | 1377 | else |
14645ec2 | 1378 | return on_off("promisc", *argv); |
d27b1b5b | 1379 | } else if (strcmp(*argv, "trailers") == 0) { |
1380 | NEXT_ARG(); | |
1381 | mask |= IFF_NOTRAILERS; | |
6c5ffb9a SH |
1382 | |
1383 | if (strcmp(*argv, "off") == 0) | |
d27b1b5b | 1384 | flags |= IFF_NOTRAILERS; |
6c5ffb9a | 1385 | else if (strcmp(*argv, "on") == 0) |
d27b1b5b | 1386 | flags &= ~IFF_NOTRAILERS; |
6c5ffb9a | 1387 | else |
14645ec2 | 1388 | return on_off("trailers", *argv); |
aba5acdf SH |
1389 | } else if (strcmp(*argv, "arp") == 0) { |
1390 | NEXT_ARG(); | |
1391 | mask |= IFF_NOARP; | |
6c5ffb9a SH |
1392 | |
1393 | if (strcmp(*argv, "on") == 0) | |
aba5acdf | 1394 | flags &= ~IFF_NOARP; |
6c5ffb9a | 1395 | else if (strcmp(*argv, "off") == 0) |
aba5acdf | 1396 | flags |= IFF_NOARP; |
6c5ffb9a | 1397 | else |
ff1e35ed | 1398 | return on_off("arp", *argv); |
aba5acdf SH |
1399 | } else if (matches(*argv, "dynamic") == 0) { |
1400 | NEXT_ARG(); | |
1401 | mask |= IFF_DYNAMIC; | |
6c5ffb9a SH |
1402 | |
1403 | if (strcmp(*argv, "on") == 0) | |
aba5acdf | 1404 | flags |= IFF_DYNAMIC; |
6c5ffb9a | 1405 | else if (strcmp(*argv, "off") == 0) |
aba5acdf | 1406 | flags &= ~IFF_DYNAMIC; |
6c5ffb9a | 1407 | else |
14645ec2 | 1408 | return on_off("dynamic", *argv); |
aba5acdf | 1409 | } else { |
6c5ffb9a | 1410 | if (strcmp(*argv, "dev") == 0) |
aba5acdf | 1411 | NEXT_ARG(); |
8aacb9bb | 1412 | else if (matches(*argv, "help") == 0) |
aba5acdf | 1413 | usage(); |
6c5ffb9a | 1414 | |
aba5acdf SH |
1415 | if (dev) |
1416 | duparg2("dev", *argv); | |
625df645 PS |
1417 | if (check_ifname(*argv)) |
1418 | invarg("\"dev\" not a valid ifname", *argv); | |
aba5acdf SH |
1419 | dev = *argv; |
1420 | } | |
1421 | argc--; argv++; | |
1422 | } | |
1423 | ||
1424 | if (!dev) { | |
ef0a738c SH |
1425 | fprintf(stderr, |
1426 | "Not enough of information: \"dev\" argument is required.\n"); | |
aba5acdf SH |
1427 | exit(-1); |
1428 | } | |
1429 | ||
1430 | if (newaddr || newbrd) { | |
1431 | halen = get_address(dev, &htype); | |
1432 | if (halen < 0) | |
1433 | return -1; | |
1434 | if (newaddr) { | |
bb6ab47b SH |
1435 | if (parse_address(dev, htype, halen, |
1436 | newaddr, &ifr0) < 0) | |
aba5acdf SH |
1437 | return -1; |
1438 | } | |
1439 | if (newbrd) { | |
bb6ab47b SH |
1440 | if (parse_address(dev, htype, halen, |
1441 | newbrd, &ifr1) < 0) | |
ae665a52 | 1442 | return -1; |
aba5acdf SH |
1443 | } |
1444 | } | |
1445 | ||
1446 | if (newname && strcmp(dev, newname)) { | |
1447 | if (do_changename(dev, newname) < 0) | |
1448 | return -1; | |
1449 | dev = newname; | |
1450 | } | |
ae665a52 | 1451 | if (qlen != -1) { |
aba5acdf | 1452 | if (set_qlen(dev, qlen) < 0) |
ae665a52 | 1453 | return -1; |
aba5acdf | 1454 | } |
ae665a52 | 1455 | if (mtu != -1) { |
aba5acdf | 1456 | if (set_mtu(dev, mtu) < 0) |
ae665a52 | 1457 | return -1; |
aba5acdf SH |
1458 | } |
1459 | if (newaddr || newbrd) { | |
1460 | if (newbrd) { | |
1461 | if (set_address(&ifr1, 1) < 0) | |
ae665a52 | 1462 | return -1; |
aba5acdf SH |
1463 | } |
1464 | if (newaddr) { | |
1465 | if (set_address(&ifr0, 0) < 0) | |
1466 | return -1; | |
1467 | } | |
1468 | } | |
1469 | if (mask) | |
1470 | return do_chflags(dev, flags, mask); | |
1471 | return 0; | |
1472 | } | |
1d934839 | 1473 | #endif /* IPLINK_IOCTL_COMPAT */ |
aba5acdf | 1474 | |
837552b4 RS |
1475 | static void print_mpls_stats(FILE *fp, struct rtattr *attr) |
1476 | { | |
1477 | struct rtattr *mrtb[MPLS_STATS_MAX+1]; | |
1478 | struct mpls_link_stats *stats; | |
1479 | ||
1480 | parse_rtattr(mrtb, MPLS_STATS_MAX, RTA_DATA(attr), | |
1481 | RTA_PAYLOAD(attr)); | |
1482 | if (!mrtb[MPLS_STATS_LINK]) | |
1483 | return; | |
1484 | ||
1485 | stats = RTA_DATA(mrtb[MPLS_STATS_LINK]); | |
1486 | ||
1487 | fprintf(fp, " mpls:\n"); | |
1488 | fprintf(fp, " RX: bytes packets errors dropped noroute\n"); | |
1489 | fprintf(fp, " "); | |
1490 | print_num(fp, 10, stats->rx_bytes); | |
1491 | print_num(fp, 8, stats->rx_packets); | |
1492 | print_num(fp, 7, stats->rx_errors); | |
1493 | print_num(fp, 8, stats->rx_dropped); | |
1494 | print_num(fp, 7, stats->rx_noroute); | |
1495 | fprintf(fp, "\n"); | |
1496 | fprintf(fp, " TX: bytes packets errors dropped\n"); | |
1497 | fprintf(fp, " "); | |
1498 | print_num(fp, 10, stats->tx_bytes); | |
1499 | print_num(fp, 8, stats->tx_packets); | |
1500 | print_num(fp, 7, stats->tx_errors); | |
1501 | print_num(fp, 7, stats->tx_dropped); | |
1502 | fprintf(fp, "\n"); | |
1503 | } | |
1504 | ||
1505 | static void print_af_stats_attr(FILE *fp, int ifindex, struct rtattr *attr) | |
1506 | { | |
1507 | bool if_printed = false; | |
1508 | struct rtattr *i; | |
1509 | int rem; | |
1510 | ||
1511 | rem = RTA_PAYLOAD(attr); | |
1512 | for (i = RTA_DATA(attr); RTA_OK(i, rem); i = RTA_NEXT(i, rem)) { | |
1513 | if (preferred_family != AF_UNSPEC && | |
1514 | i->rta_type != preferred_family) | |
1515 | continue; | |
1516 | ||
1517 | if (!if_printed) { | |
1518 | fprintf(fp, "%u: %s\n", ifindex, | |
1519 | ll_index_to_name(ifindex)); | |
1520 | if_printed = true; | |
1521 | } | |
1522 | ||
1523 | switch (i->rta_type) { | |
1524 | case AF_MPLS: | |
1525 | print_mpls_stats(fp, i); | |
1526 | break; | |
1527 | default: | |
1528 | fprintf(fp, " unknown af(%d)\n", i->rta_type); | |
1529 | break; | |
1530 | } | |
1531 | } | |
1532 | } | |
1533 | ||
1534 | struct af_stats_ctx { | |
1535 | FILE *fp; | |
1536 | int ifindex; | |
1537 | }; | |
1538 | ||
1539 | static int print_af_stats(const struct sockaddr_nl *who, | |
1540 | struct nlmsghdr *n, | |
1541 | void *arg) | |
1542 | { | |
1543 | struct if_stats_msg *ifsm = NLMSG_DATA(n); | |
1544 | struct rtattr *tb[IFLA_STATS_MAX+1]; | |
1545 | int len = n->nlmsg_len; | |
1546 | struct af_stats_ctx *ctx = arg; | |
1547 | FILE *fp = ctx->fp; | |
1548 | ||
1549 | len -= NLMSG_LENGTH(sizeof(*ifsm)); | |
1550 | if (len < 0) { | |
1551 | fprintf(stderr, "BUG: wrong nlmsg len %d\n", len); | |
1552 | return -1; | |
1553 | } | |
1554 | ||
1555 | if (ctx->ifindex && ifsm->ifindex != ctx->ifindex) | |
1556 | return 0; | |
1557 | ||
1558 | parse_rtattr(tb, IFLA_STATS_MAX, IFLA_STATS_RTA(ifsm), len); | |
1559 | ||
1560 | if (tb[IFLA_STATS_AF_SPEC]) | |
1561 | print_af_stats_attr(fp, ifsm->ifindex, tb[IFLA_STATS_AF_SPEC]); | |
1562 | ||
1563 | fflush(fp); | |
1564 | return 0; | |
1565 | } | |
1566 | ||
1567 | static int iplink_afstats(int argc, char **argv) | |
1568 | { | |
1569 | __u32 filt_mask = IFLA_STATS_FILTER_BIT(IFLA_STATS_AF_SPEC); | |
1570 | const char *filter_dev = NULL; | |
1571 | struct af_stats_ctx ctx = { | |
1572 | .fp = stdout, | |
1573 | .ifindex = 0, | |
1574 | }; | |
1575 | ||
1576 | while (argc > 0) { | |
1577 | if (strcmp(*argv, "dev") == 0) { | |
1578 | NEXT_ARG(); | |
1579 | if (filter_dev) | |
1580 | duparg2("dev", *argv); | |
1581 | filter_dev = *argv; | |
1582 | } else if (matches(*argv, "help") == 0) { | |
1583 | usage(); | |
1584 | } else { | |
1585 | fprintf(stderr, | |
1586 | "Command \"%s\" is unknown, try \"ip link help\".\n", | |
1587 | *argv); | |
1588 | exit(-1); | |
1589 | } | |
1590 | ||
1591 | argv++; argc--; | |
1592 | } | |
1593 | ||
1594 | if (filter_dev) { | |
1595 | ctx.ifindex = ll_name_to_index(filter_dev); | |
1596 | if (ctx.ifindex <= 0) { | |
1597 | fprintf(stderr, | |
1598 | "Device \"%s\" does not exist.\n", | |
1599 | filter_dev); | |
1600 | return -1; | |
1601 | } | |
1602 | } | |
1603 | ||
1604 | if (rtnl_wilddump_stats_req_filter(&rth, AF_UNSPEC, | |
1605 | RTM_GETSTATS, | |
1606 | filt_mask) < 0) { | |
1607 | perror("Cannont send dump request"); | |
1608 | return 1; | |
1609 | } | |
1610 | ||
1611 | if (rtnl_dump_filter(&rth, print_af_stats, &ctx) < 0) { | |
1612 | fprintf(stderr, "Dump terminated\n"); | |
1613 | return 1; | |
1614 | } | |
1615 | ||
1616 | return 0; | |
1617 | } | |
1618 | ||
561e650e | 1619 | static void do_help(int argc, char **argv) |
1620 | { | |
1621 | struct link_util *lu = NULL; | |
1622 | ||
1623 | if (argc <= 0) { | |
1624 | usage(); | |
6c5ffb9a | 1625 | return; |
561e650e | 1626 | } |
1627 | ||
1628 | lu = get_link_kind(*argv); | |
561e650e | 1629 | if (lu && lu->print_help) |
1630 | lu->print_help(lu, argc-1, argv+1, stdout); | |
1631 | else | |
1632 | usage(); | |
1633 | } | |
1634 | ||
aba5acdf SH |
1635 | int do_iplink(int argc, char **argv) |
1636 | { | |
6843d36e ZS |
1637 | if (argc < 1) |
1638 | return ipaddr_list_link(0, NULL); | |
1639 | ||
1640 | if (iplink_have_newlink()) { | |
1641 | if (matches(*argv, "add") == 0) | |
1642 | return iplink_modify(RTM_NEWLINK, | |
6c5ffb9a SH |
1643 | NLM_F_CREATE|NLM_F_EXCL, |
1644 | argc-1, argv+1); | |
6843d36e | 1645 | if (matches(*argv, "set") == 0 || |
6c5ffb9a | 1646 | matches(*argv, "change") == 0) |
6843d36e | 1647 | return iplink_modify(RTM_NEWLINK, 0, |
6c5ffb9a | 1648 | argc-1, argv+1); |
6843d36e ZS |
1649 | if (matches(*argv, "replace") == 0) |
1650 | return iplink_modify(RTM_NEWLINK, | |
6c5ffb9a SH |
1651 | NLM_F_CREATE|NLM_F_REPLACE, |
1652 | argc-1, argv+1); | |
6843d36e ZS |
1653 | if (matches(*argv, "delete") == 0) |
1654 | return iplink_modify(RTM_DELLINK, 0, | |
6c5ffb9a | 1655 | argc-1, argv+1); |
6843d36e | 1656 | } else { |
1d934839 | 1657 | #if IPLINK_IOCTL_COMPAT |
6843d36e ZS |
1658 | if (matches(*argv, "set") == 0) |
1659 | return do_set(argc-1, argv+1); | |
1d934839 | 1660 | #endif |
6843d36e | 1661 | } |
6c5ffb9a | 1662 | |
6843d36e | 1663 | if (matches(*argv, "show") == 0 || |
6c5ffb9a SH |
1664 | matches(*argv, "lst") == 0 || |
1665 | matches(*argv, "list") == 0) | |
6843d36e | 1666 | return ipaddr_list_link(argc-1, argv+1); |
6c5ffb9a | 1667 | |
94f1a22a NA |
1668 | if (matches(*argv, "xstats") == 0) |
1669 | return iplink_ifla_xstats(argc-1, argv+1); | |
1670 | ||
837552b4 RS |
1671 | if (matches(*argv, "afstats") == 0) { |
1672 | iplink_afstats(argc-1, argv+1); | |
1673 | return 0; | |
1674 | } | |
1675 | ||
6843d36e ZS |
1676 | if (matches(*argv, "help") == 0) { |
1677 | do_help(argc-1, argv+1); | |
1678 | return 0; | |
1679 | } | |
aba5acdf | 1680 | |
6843d36e | 1681 | fprintf(stderr, "Command \"%s\" is unknown, try \"ip link help\".\n", |
6c5ffb9a | 1682 | *argv); |
aba5acdf SH |
1683 | exit(-1); |
1684 | } |