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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 |
aba5acdf | 37 | |
08f9d166 SH |
38 | #ifndef GSO_MAX_SIZE |
39 | #define GSO_MAX_SIZE 65536 | |
40 | #endif | |
41 | #ifndef GSO_MAX_SEGS | |
42 | #define GSO_MAX_SEGS 65535 | |
43 | #endif | |
44 | ||
45 | ||
aba5acdf | 46 | static void usage(void) __attribute__((noreturn)); |
750a405a | 47 | static int iplink_have_newlink(void); |
aba5acdf SH |
48 | |
49 | void iplink_usage(void) | |
50 | { | |
750a405a | 51 | if (iplink_have_newlink()) { |
6773bcc2 SH |
52 | fprintf(stderr, |
53 | "Usage: ip link add [link DEV] [ name ] NAME\n" | |
8589eb4e MC |
54 | " [ txqueuelen PACKETS ]\n" |
55 | " [ address LLADDR ]\n" | |
56 | " [ broadcast LLADDR ]\n" | |
57 | " [ mtu MTU ] [index IDX ]\n" | |
58 | " [ numtxqueues QUEUE_COUNT ]\n" | |
59 | " [ numrxqueues QUEUE_COUNT ]\n" | |
60 | " type TYPE [ ARGS ]\n" | |
c7272ca7 | 61 | "\n" |
8589eb4e | 62 | " ip link delete { DEVICE | dev DEVICE | group DEVGROUP } type TYPE [ ARGS ]\n" |
6773bcc2 | 63 | "\n" |
8589eb4e MC |
64 | " ip link set { DEVICE | dev DEVICE | group DEVGROUP }\n" |
65 | " [ { up | down } ]\n" | |
66 | " [ type TYPE ARGS ]\n"); | |
750a405a | 67 | } else |
bb6ab47b SH |
68 | fprintf(stderr, |
69 | "Usage: ip link set DEVICE [ { up | down } ]\n"); | |
750a405a | 70 | |
6773bcc2 | 71 | fprintf(stderr, |
8589eb4e MC |
72 | " [ arp { on | off } ]\n" |
73 | " [ dynamic { on | off } ]\n" | |
74 | " [ multicast { on | off } ]\n" | |
75 | " [ allmulticast { on | off } ]\n" | |
76 | " [ promisc { on | off } ]\n" | |
77 | " [ trailers { on | off } ]\n" | |
78 | " [ carrier { on | off } ]\n" | |
79 | " [ txqueuelen PACKETS ]\n" | |
80 | " [ name NEWNAME ]\n" | |
81 | " [ address LLADDR ]\n" | |
82 | " [ broadcast LLADDR ]\n" | |
83 | " [ mtu MTU ]\n" | |
84 | " [ netns { PID | NAME } ]\n" | |
85 | " [ link-netns NAME | link-netnsid ID ]\n" | |
23203b75 PS |
86 | " [ alias NAME ]\n" |
87 | " [ vf NUM [ mac LLADDR ]\n" | |
88 | " [ vlan VLANID [ qos VLAN-QOS ] [ proto VLAN-PROTO ] ]\n" | |
89 | " [ rate TXRATE ]\n" | |
90 | " [ max_tx_rate TXRATE ]\n" | |
91 | " [ min_tx_rate TXRATE ]\n" | |
92 | " [ spoofchk { on | off} ]\n" | |
93 | " [ query_rss { on | off} ]\n" | |
94 | " [ state { auto | enable | disable} ]\n" | |
95 | " [ trust { on | off} ]\n" | |
96 | " [ node_guid EUI64 ]\n" | |
97 | " [ port_guid EUI64 ] ]\n" | |
98 | " [ { xdp | xdpgeneric | xdpdrv | xdpoffload } { off |\n" | |
99 | " object FILE [ section NAME ] [ verbose ] |\n" | |
100 | " pinned FILE } ]\n" | |
101 | " [ master DEVICE ][ vrf NAME ]\n" | |
102 | " [ nomaster ]\n" | |
103 | " [ addrgenmode { eui64 | none | stable_secret | random } ]\n" | |
104 | " [ protodown { on | off } ]\n" | |
6fd53b2a | 105 | " [ protodown_reason PREASON { on | off } ]\n" |
23203b75 | 106 | " [ gso_max_size BYTES ] | [ gso_max_segs PACKETS ]\n" |
c7272ca7 | 107 | "\n" |
8589eb4e MC |
108 | " ip link show [ DEVICE | group GROUP ] [up] [master DEV] [vrf NAME] [type TYPE]\n" |
109 | "\n" | |
110 | " ip link xstats type TYPE [ ARGS ]\n" | |
111 | "\n" | |
3aa0e51b JP |
112 | " ip link afstats [ dev DEVICE ]\n" |
113 | " ip link property add dev DEVICE [ altname NAME .. ]\n" | |
114 | " ip link property del dev DEVICE [ altname NAME .. ]\n"); | |
94f1a22a | 115 | |
750a405a | 116 | if (iplink_have_newlink()) { |
6773bcc2 | 117 | fprintf(stderr, |
c7272ca7 | 118 | "\n" |
8589eb4e | 119 | " ip link help [ TYPE ]\n" |
c7272ca7 | 120 | "\n" |
7827b376 | 121 | "TYPE := { vlan | veth | vcan | vxcan | dummy | ifb | macvlan | macvtap |\n" |
8589eb4e MC |
122 | " bridge | bond | team | ipoib | ip6tnl | ipip | sit | vxlan |\n" |
123 | " gre | gretap | erspan | ip6gre | ip6gretap | ip6erspan |\n" | |
124 | " vti | nlmon | team_slave | bond_slave | bridge_slave |\n" | |
a6c5c952 | 125 | " ipvlan | ipvtap | geneve | bareudp | vrf | macsec | netdevsim | rmnet |\n" |
8589eb4e | 126 | " xfrm }\n"); |
750a405a | 127 | } |
aba5acdf SH |
128 | exit(-1); |
129 | } | |
130 | ||
131 | static void usage(void) | |
132 | { | |
133 | iplink_usage(); | |
134 | } | |
135 | ||
14645ec2 | 136 | static int on_off(const char *msg, const char *realval) |
aba5acdf | 137 | { |
6c5ffb9a SH |
138 | fprintf(stderr, |
139 | "Error: argument of \"%s\" must be \"on\" or \"off\", not \"%s\"\n", | |
140 | msg, realval); | |
aba5acdf SH |
141 | return -1; |
142 | } | |
143 | ||
1d934839 PM |
144 | static void *BODY; /* cached dlopen(NULL) handle */ |
145 | static struct link_util *linkutil_list; | |
146 | ||
22a84711 | 147 | struct link_util *get_link_kind(const char *id) |
1d934839 PM |
148 | { |
149 | void *dlh; | |
150 | char buf[256]; | |
151 | struct link_util *l; | |
152 | ||
153 | for (l = linkutil_list; l; l = l->next) | |
22a84711 | 154 | if (strcmp(l->id, id) == 0) |
1d934839 PM |
155 | return l; |
156 | ||
d7190d4c | 157 | snprintf(buf, sizeof(buf), "%s/link_%s.so", get_ip_lib_dir(), id); |
1d934839 PM |
158 | dlh = dlopen(buf, RTLD_LAZY); |
159 | if (dlh == NULL) { | |
160 | /* look in current binary, only open once */ | |
161 | dlh = BODY; | |
162 | if (dlh == NULL) { | |
163 | dlh = BODY = dlopen(NULL, RTLD_LAZY); | |
164 | if (dlh == NULL) | |
165 | return NULL; | |
166 | } | |
167 | } | |
168 | ||
22a84711 | 169 | snprintf(buf, sizeof(buf), "%s_link_util", id); |
1d934839 PM |
170 | l = dlsym(dlh, buf); |
171 | if (l == NULL) | |
172 | return NULL; | |
173 | ||
174 | l->next = linkutil_list; | |
175 | linkutil_list = l; | |
176 | return l; | |
177 | } | |
178 | ||
d1f28cf1 | 179 | static int get_link_mode(const char *mode) |
82499282 | 180 | { |
4ccfb44d | 181 | if (strcasecmp(mode, "default") == 0) |
82499282 | 182 | return IF_LINK_MODE_DEFAULT; |
4ccfb44d | 183 | if (strcasecmp(mode, "dormant") == 0) |
82499282 SH |
184 | return IF_LINK_MODE_DORMANT; |
185 | return -1; | |
186 | } | |
187 | ||
ff7c2084 JP |
188 | static int get_addr_gen_mode(const char *mode) |
189 | { | |
190 | if (strcasecmp(mode, "eui64") == 0) | |
191 | return IN6_ADDR_GEN_MODE_EUI64; | |
192 | if (strcasecmp(mode, "none") == 0) | |
193 | return IN6_ADDR_GEN_MODE_NONE; | |
8e098dd8 BM |
194 | if (strcasecmp(mode, "stable_secret") == 0) |
195 | return IN6_ADDR_GEN_MODE_STABLE_PRIVACY; | |
8e12bc0a BM |
196 | if (strcasecmp(mode, "random") == 0) |
197 | return IN6_ADDR_GEN_MODE_RANDOM; | |
ff7c2084 JP |
198 | return -1; |
199 | } | |
200 | ||
1d934839 PM |
201 | #if IPLINK_IOCTL_COMPAT |
202 | static int have_rtnl_newlink = -1; | |
203 | ||
cd554f2c | 204 | static int accept_msg(struct rtnl_ctrl_data *ctrl, |
1d934839 PM |
205 | struct nlmsghdr *n, void *arg) |
206 | { | |
207 | struct nlmsgerr *err = (struct nlmsgerr *)NLMSG_DATA(n); | |
208 | ||
66e529f5 PM |
209 | if (n->nlmsg_type == NLMSG_ERROR && |
210 | (err->error == -EOPNOTSUPP || err->error == -EINVAL)) | |
1d934839 PM |
211 | have_rtnl_newlink = 0; |
212 | else | |
213 | have_rtnl_newlink = 1; | |
214 | return -1; | |
215 | } | |
216 | ||
217 | static int iplink_have_newlink(void) | |
218 | { | |
219 | struct { | |
220 | struct nlmsghdr n; | |
221 | struct ifinfomsg i; | |
222 | char buf[1024]; | |
d17b136f PS |
223 | } req = { |
224 | .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)), | |
225 | .n.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK, | |
226 | .n.nlmsg_type = RTM_NEWLINK, | |
227 | .i.ifi_family = AF_UNSPEC, | |
228 | }; | |
1d934839 PM |
229 | |
230 | if (have_rtnl_newlink < 0) { | |
d2468da0 SH |
231 | if (rtnl_send(&rth, &req.n, req.n.nlmsg_len) < 0) { |
232 | perror("request send failed"); | |
233 | exit(1); | |
234 | } | |
1d934839 PM |
235 | rtnl_listen(&rth, accept_msg, NULL); |
236 | } | |
237 | return have_rtnl_newlink; | |
238 | } | |
239 | #else /* IPLINK_IOCTL_COMPAT */ | |
240 | static int iplink_have_newlink(void) | |
241 | { | |
242 | return 1; | |
243 | } | |
244 | #endif /* ! IPLINK_IOCTL_COMPAT */ | |
245 | ||
65083b5f | 246 | static int nl_get_ll_addr_len(const char *ifname) |
8fe58d58 PS |
247 | { |
248 | int len; | |
65083b5f | 249 | int dev_index = ll_name_to_index(ifname); |
8fe58d58 PS |
250 | struct iplink_req req = { |
251 | .n = { | |
252 | .nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)), | |
253 | .nlmsg_type = RTM_GETLINK, | |
254 | .nlmsg_flags = NLM_F_REQUEST | |
255 | }, | |
256 | .i = { | |
257 | .ifi_family = preferred_family, | |
258 | .ifi_index = dev_index, | |
259 | } | |
260 | }; | |
86bf43c7 | 261 | struct nlmsghdr *answer; |
8fe58d58 PS |
262 | struct rtattr *tb[IFLA_MAX+1]; |
263 | ||
65083b5f SH |
264 | if (dev_index == 0) |
265 | return -1; | |
266 | ||
86bf43c7 | 267 | if (rtnl_talk(&rth, &req.n, &answer) < 0) |
8fe58d58 PS |
268 | return -1; |
269 | ||
86bf43c7 HL |
270 | len = answer->nlmsg_len - NLMSG_LENGTH(sizeof(struct ifinfomsg)); |
271 | if (len < 0) { | |
272 | free(answer); | |
8fe58d58 | 273 | return -1; |
86bf43c7 | 274 | } |
8fe58d58 | 275 | |
86bf43c7 HL |
276 | parse_rtattr_flags(tb, IFLA_MAX, IFLA_RTA(NLMSG_DATA(answer)), |
277 | len, NLA_F_NESTED); | |
278 | if (!tb[IFLA_ADDRESS]) { | |
279 | free(answer); | |
8fe58d58 | 280 | return -1; |
86bf43c7 | 281 | } |
8fe58d58 | 282 | |
06867c37 | 283 | len = RTA_PAYLOAD(tb[IFLA_ADDRESS]); |
86bf43c7 | 284 | free(answer); |
06867c37 | 285 | return len; |
8fe58d58 PS |
286 | } |
287 | ||
56e9f0ab MS |
288 | static void iplink_parse_vf_vlan_info(int vf, int *argcp, char ***argvp, |
289 | struct ifla_vf_vlan_info *ivvip) | |
290 | { | |
291 | int argc = *argcp; | |
292 | char **argv = *argvp; | |
ae8e1cb8 | 293 | unsigned int vci; |
56e9f0ab MS |
294 | |
295 | NEXT_ARG(); | |
ae8e1cb8 | 296 | if (get_unsigned(&vci, *argv, 0) || vci > 4095) |
56e9f0ab MS |
297 | invarg("Invalid \"vlan\" value\n", *argv); |
298 | ||
ae8e1cb8 | 299 | ivvip->vlan = vci; |
56e9f0ab MS |
300 | ivvip->vf = vf; |
301 | ivvip->qos = 0; | |
302 | ivvip->vlan_proto = htons(ETH_P_8021Q); | |
303 | if (NEXT_ARG_OK()) { | |
304 | NEXT_ARG(); | |
305 | if (matches(*argv, "qos") == 0) { | |
306 | NEXT_ARG(); | |
307 | if (get_unsigned(&ivvip->qos, *argv, 0)) | |
308 | invarg("Invalid \"qos\" value\n", *argv); | |
309 | } else { | |
310 | /* rewind arg */ | |
311 | PREV_ARG(); | |
312 | } | |
313 | } | |
314 | if (NEXT_ARG_OK()) { | |
315 | NEXT_ARG(); | |
316 | if (matches(*argv, "proto") == 0) { | |
317 | NEXT_ARG(); | |
318 | if (ll_proto_a2n(&ivvip->vlan_proto, *argv)) | |
319 | invarg("protocol is invalid\n", *argv); | |
320 | if (ivvip->vlan_proto != htons(ETH_P_8021AD) && | |
321 | ivvip->vlan_proto != htons(ETH_P_8021Q)) { | |
322 | SPRINT_BUF(b1); | |
323 | SPRINT_BUF(b2); | |
324 | char msg[64 + sizeof(b1) + sizeof(b2)]; | |
325 | ||
bb6ab47b SH |
326 | sprintf(msg, |
327 | "Invalid \"vlan protocol\" value - supported %s, %s\n", | |
56e9f0ab MS |
328 | ll_proto_n2a(htons(ETH_P_8021Q), |
329 | b1, sizeof(b1)), | |
330 | ll_proto_n2a(htons(ETH_P_8021AD), | |
331 | b2, sizeof(b2))); | |
332 | invarg(msg, *argv); | |
333 | } | |
334 | } else { | |
335 | /* rewind arg */ | |
336 | PREV_ARG(); | |
337 | } | |
338 | } | |
339 | ||
340 | *argcp = argc; | |
341 | *argvp = argv; | |
342 | } | |
343 | ||
d1f28cf1 | 344 | static int iplink_parse_vf(int vf, int *argcp, char ***argvp, |
65083b5f | 345 | struct iplink_req *req, const char *dev) |
3fd86630 | 346 | { |
f89a2a05 SC |
347 | char new_rate_api = 0, count = 0, override_legacy_rate = 0; |
348 | struct ifla_vf_rate tivt; | |
3fd86630 CW |
349 | int len, argc = *argcp; |
350 | char **argv = *argvp; | |
351 | struct rtattr *vfinfo; | |
5f685d06 | 352 | int ret; |
1598b9ef | 353 | |
f89a2a05 SC |
354 | tivt.min_tx_rate = -1; |
355 | tivt.max_tx_rate = -1; | |
356 | ||
1598b9ef | 357 | vfinfo = addattr_nest(&req->n, sizeof(*req), IFLA_VF_INFO); |
3fd86630 | 358 | |
f89a2a05 SC |
359 | while (NEXT_ARG_OK()) { |
360 | NEXT_ARG(); | |
361 | count++; | |
362 | if (!matches(*argv, "max_tx_rate")) { | |
363 | /* new API in use */ | |
364 | new_rate_api = 1; | |
365 | /* override legacy rate */ | |
366 | override_legacy_rate = 1; | |
367 | } else if (!matches(*argv, "min_tx_rate")) { | |
368 | /* new API in use */ | |
369 | new_rate_api = 1; | |
370 | } | |
371 | } | |
372 | ||
373 | while (count--) { | |
374 | /* rewind arg */ | |
375 | PREV_ARG(); | |
376 | } | |
377 | ||
3fd86630 CW |
378 | while (NEXT_ARG_OK()) { |
379 | NEXT_ARG(); | |
1598b9ef | 380 | if (matches(*argv, "mac") == 0) { |
a89193a7 | 381 | struct ifla_vf_mac ivm = { 0 }; |
65083b5f | 382 | int halen = nl_get_ll_addr_len(dev); |
6c5ffb9a | 383 | |
3fd86630 | 384 | NEXT_ARG(); |
1598b9ef SH |
385 | ivm.vf = vf; |
386 | len = ll_addr_a2n((char *)ivm.mac, 32, *argv); | |
387 | if (len < 0) | |
388 | return -1; | |
8fe58d58 PS |
389 | if (halen > 0 && len != halen) { |
390 | fprintf(stderr, | |
391 | "Invalid address length %d - must be %d bytes\n", | |
392 | len, halen); | |
393 | return -1; | |
394 | } | |
ef0a738c SH |
395 | addattr_l(&req->n, sizeof(*req), IFLA_VF_MAC, |
396 | &ivm, sizeof(ivm)); | |
3fd86630 | 397 | } else if (matches(*argv, "vlan") == 0) { |
56e9f0ab | 398 | struct ifla_vf_vlan_info ivvi; |
6c5ffb9a | 399 | |
56e9f0ab MS |
400 | iplink_parse_vf_vlan_info(vf, &argc, &argv, &ivvi); |
401 | /* support the old interface in case of older kernel*/ | |
402 | if (ivvi.vlan_proto == htons(ETH_P_8021Q)) { | |
403 | struct ifla_vf_vlan ivv; | |
404 | ||
405 | ivv.vf = ivvi.vf; | |
406 | ivv.vlan = ivvi.vlan; | |
407 | ivv.qos = ivvi.qos; | |
408 | addattr_l(&req->n, sizeof(*req), | |
409 | IFLA_VF_VLAN, &ivv, sizeof(ivv)); | |
410 | } else { | |
411 | struct rtattr *vfvlanlist; | |
412 | ||
413 | vfvlanlist = addattr_nest(&req->n, sizeof(*req), | |
414 | IFLA_VF_VLAN_LIST); | |
415 | addattr_l(&req->n, sizeof(*req), | |
416 | IFLA_VF_VLAN_INFO, &ivvi, | |
417 | sizeof(ivvi)); | |
418 | ||
419 | while (NEXT_ARG_OK()) { | |
3fd86630 | 420 | NEXT_ARG(); |
56e9f0ab MS |
421 | if (matches(*argv, "vlan") != 0) { |
422 | PREV_ARG(); | |
423 | break; | |
424 | } | |
425 | iplink_parse_vf_vlan_info(vf, &argc, | |
426 | &argv, &ivvi); | |
427 | addattr_l(&req->n, sizeof(*req), | |
428 | IFLA_VF_VLAN_INFO, &ivvi, | |
429 | sizeof(ivvi)); | |
3fd86630 | 430 | } |
56e9f0ab | 431 | addattr_nest_end(&req->n, vfvlanlist); |
3fd86630 | 432 | } |
3fd86630 | 433 | } else if (matches(*argv, "rate") == 0) { |
1598b9ef | 434 | struct ifla_vf_tx_rate ivt; |
6c5ffb9a | 435 | |
3fd86630 | 436 | NEXT_ARG(); |
6c5ffb9a | 437 | if (get_unsigned(&ivt.rate, *argv, 0)) |
1598b9ef | 438 | invarg("Invalid \"rate\" value\n", *argv); |
6c5ffb9a | 439 | |
1598b9ef | 440 | ivt.vf = vf; |
f89a2a05 SC |
441 | if (!new_rate_api) |
442 | addattr_l(&req->n, sizeof(*req), | |
443 | IFLA_VF_TX_RATE, &ivt, sizeof(ivt)); | |
444 | else if (!override_legacy_rate) | |
445 | tivt.max_tx_rate = ivt.rate; | |
446 | ||
447 | } else if (matches(*argv, "max_tx_rate") == 0) { | |
448 | NEXT_ARG(); | |
449 | if (get_unsigned(&tivt.max_tx_rate, *argv, 0)) | |
450 | invarg("Invalid \"max tx rate\" value\n", | |
451 | *argv); | |
452 | tivt.vf = vf; | |
453 | ||
454 | } else if (matches(*argv, "min_tx_rate") == 0) { | |
455 | NEXT_ARG(); | |
456 | if (get_unsigned(&tivt.min_tx_rate, *argv, 0)) | |
457 | invarg("Invalid \"min tx rate\" value\n", | |
458 | *argv); | |
459 | tivt.vf = vf; | |
af89576d | 460 | |
7b8179c7 GR |
461 | } else if (matches(*argv, "spoofchk") == 0) { |
462 | struct ifla_vf_spoofchk ivs; | |
6c5ffb9a | 463 | |
7b8179c7 | 464 | NEXT_ARG(); |
5f685d06 PM |
465 | ivs.setting = parse_on_off("spoofchk", *argv, &ret); |
466 | if (ret) | |
467 | return ret; | |
7b8179c7 | 468 | ivs.vf = vf; |
ef0a738c SH |
469 | addattr_l(&req->n, sizeof(*req), IFLA_VF_SPOOFCHK, |
470 | &ivs, sizeof(ivs)); | |
7b8179c7 | 471 | |
6c55c8c4 VZ |
472 | } else if (matches(*argv, "query_rss") == 0) { |
473 | struct ifla_vf_rss_query_en ivs; | |
6c5ffb9a | 474 | |
6c55c8c4 | 475 | NEXT_ARG(); |
5f685d06 PM |
476 | ivs.setting = parse_on_off("query_rss", *argv, &ret); |
477 | if (ret) | |
478 | return ret; | |
6c55c8c4 | 479 | ivs.vf = vf; |
ef0a738c SH |
480 | addattr_l(&req->n, sizeof(*req), IFLA_VF_RSS_QUERY_EN, |
481 | &ivs, sizeof(ivs)); | |
6c55c8c4 | 482 | |
b6d77d9e HS |
483 | } else if (matches(*argv, "trust") == 0) { |
484 | struct ifla_vf_trust ivt; | |
56f5daac | 485 | |
b6d77d9e | 486 | NEXT_ARG(); |
5f685d06 PM |
487 | ivt.setting = parse_on_off("trust", *argv, &ret); |
488 | if (ret) | |
489 | return ret; | |
b6d77d9e | 490 | ivt.vf = vf; |
ef0a738c SH |
491 | addattr_l(&req->n, sizeof(*req), IFLA_VF_TRUST, |
492 | &ivt, sizeof(ivt)); | |
b6d77d9e | 493 | |
07fa9c15 RE |
494 | } else if (matches(*argv, "state") == 0) { |
495 | struct ifla_vf_link_state ivl; | |
6c5ffb9a | 496 | |
07fa9c15 RE |
497 | NEXT_ARG(); |
498 | if (matches(*argv, "auto") == 0) | |
499 | ivl.link_state = IFLA_VF_LINK_STATE_AUTO; | |
500 | else if (matches(*argv, "enable") == 0) | |
501 | ivl.link_state = IFLA_VF_LINK_STATE_ENABLE; | |
502 | else if (matches(*argv, "disable") == 0) | |
503 | ivl.link_state = IFLA_VF_LINK_STATE_DISABLE; | |
504 | else | |
505 | invarg("Invalid \"state\" value\n", *argv); | |
506 | ivl.vf = vf; | |
ef0a738c SH |
507 | addattr_l(&req->n, sizeof(*req), IFLA_VF_LINK_STATE, |
508 | &ivl, sizeof(ivl)); | |
d91fb3f4 EC |
509 | } else if (matches(*argv, "node_guid") == 0) { |
510 | struct ifla_vf_guid ivg; | |
511 | ||
512 | NEXT_ARG(); | |
513 | ivg.vf = vf; | |
514 | if (get_guid(&ivg.guid, *argv)) { | |
515 | invarg("Invalid GUID format\n", *argv); | |
516 | return -1; | |
517 | } | |
ef0a738c SH |
518 | addattr_l(&req->n, sizeof(*req), IFLA_VF_IB_NODE_GUID, |
519 | &ivg, sizeof(ivg)); | |
d91fb3f4 EC |
520 | } else if (matches(*argv, "port_guid") == 0) { |
521 | struct ifla_vf_guid ivg; | |
522 | ||
523 | NEXT_ARG(); | |
524 | ivg.vf = vf; | |
525 | if (get_guid(&ivg.guid, *argv)) { | |
526 | invarg("Invalid GUID format\n", *argv); | |
527 | return -1; | |
528 | } | |
ef0a738c SH |
529 | addattr_l(&req->n, sizeof(*req), IFLA_VF_IB_PORT_GUID, |
530 | &ivg, sizeof(ivg)); | |
3fd86630 CW |
531 | } else { |
532 | /* rewind arg */ | |
533 | PREV_ARG(); | |
534 | break; | |
535 | } | |
536 | } | |
537 | ||
f89a2a05 SC |
538 | if (new_rate_api) { |
539 | int tmin, tmax; | |
9a02651a | 540 | |
f89a2a05 | 541 | if (tivt.min_tx_rate == -1 || tivt.max_tx_rate == -1) { |
65083b5f | 542 | ipaddr_get_vf_rate(tivt.vf, &tmin, &tmax, dev); |
f89a2a05 SC |
543 | if (tivt.min_tx_rate == -1) |
544 | tivt.min_tx_rate = tmin; | |
545 | if (tivt.max_tx_rate == -1) | |
546 | tivt.max_tx_rate = tmax; | |
547 | } | |
04be08e0 GP |
548 | |
549 | if (tivt.max_tx_rate && tivt.min_tx_rate > tivt.max_tx_rate) { | |
550 | fprintf(stderr, | |
551 | "Invalid min_tx_rate %d - must be <= max_tx_rate %d\n", | |
552 | tivt.min_tx_rate, tivt.max_tx_rate); | |
553 | return -1; | |
554 | } | |
555 | ||
f89a2a05 SC |
556 | addattr_l(&req->n, sizeof(*req), IFLA_VF_RATE, &tivt, |
557 | sizeof(tivt)); | |
558 | } | |
559 | ||
3fd86630 CW |
560 | if (argc == *argcp) |
561 | incomplete_command(); | |
562 | ||
1598b9ef | 563 | addattr_nest_end(&req->n, vfinfo); |
3fd86630 CW |
564 | |
565 | *argcp = argc; | |
566 | *argvp = argv; | |
1598b9ef | 567 | return 0; |
3fd86630 CW |
568 | } |
569 | ||
c58213f6 | 570 | int iplink_parse(int argc, char **argv, struct iplink_req *req, char **type) |
1d934839 | 571 | { |
c58213f6 SP |
572 | char *name = NULL; |
573 | char *dev = NULL; | |
574 | char *link = NULL; | |
909dfe2c PE |
575 | int ret, len; |
576 | char abuf[32]; | |
1d934839 PM |
577 | int qlen = -1; |
578 | int mtu = -1; | |
e2613dc8 | 579 | int netns = -1; |
ae7229d5 | 580 | int vf = -1; |
d992f3e6 JP |
581 | int numtxqueues = -1; |
582 | int numrxqueues = -1; | |
ccdcbf35 | 583 | int link_netnsid = -1; |
c58213f6 SP |
584 | int index = 0; |
585 | int group = -1; | |
8fe58d58 | 586 | int addr_len = 0; |
5f685d06 | 587 | int err; |
1d934839 | 588 | |
909dfe2c | 589 | ret = argc; |
1d934839 PM |
590 | |
591 | while (argc > 0) { | |
592 | if (strcmp(*argv, "up") == 0) { | |
909dfe2c PE |
593 | req->i.ifi_change |= IFF_UP; |
594 | req->i.ifi_flags |= IFF_UP; | |
1d934839 | 595 | } else if (strcmp(*argv, "down") == 0) { |
909dfe2c PE |
596 | req->i.ifi_change |= IFF_UP; |
597 | req->i.ifi_flags &= ~IFF_UP; | |
1d934839 PM |
598 | } else if (strcmp(*argv, "name") == 0) { |
599 | NEXT_ARG(); | |
c58213f6 | 600 | if (name) |
a24315ba | 601 | duparg("name", *argv); |
625df645 PS |
602 | if (check_ifname(*argv)) |
603 | invarg("\"name\" not a valid ifname", *argv); | |
c58213f6 | 604 | name = *argv; |
65083b5f | 605 | if (!dev) |
c58213f6 | 606 | dev = name; |
5e25cf77 PE |
607 | } else if (strcmp(*argv, "index") == 0) { |
608 | NEXT_ARG(); | |
c58213f6 | 609 | if (index) |
b7ea12ae | 610 | duparg("index", *argv); |
c58213f6 SP |
611 | index = atoi(*argv); |
612 | if (index <= 0) | |
3c682146 | 613 | invarg("Invalid \"index\" value", *argv); |
1d934839 PM |
614 | } else if (matches(*argv, "link") == 0) { |
615 | NEXT_ARG(); | |
c58213f6 | 616 | link = *argv; |
1d934839 PM |
617 | } else if (matches(*argv, "address") == 0) { |
618 | NEXT_ARG(); | |
8fe58d58 | 619 | addr_len = ll_addr_a2n(abuf, sizeof(abuf), *argv); |
0aae2346 | 620 | if (addr_len < 0) |
cb2eb999 | 621 | return -1; |
bb6ab47b SH |
622 | addattr_l(&req->n, sizeof(*req), |
623 | IFLA_ADDRESS, abuf, addr_len); | |
1d934839 | 624 | } else if (matches(*argv, "broadcast") == 0 || |
6c5ffb9a | 625 | strcmp(*argv, "brd") == 0) { |
1d934839 PM |
626 | NEXT_ARG(); |
627 | len = ll_addr_a2n(abuf, sizeof(abuf), *argv); | |
cb2eb999 AH |
628 | if (len < 0) |
629 | return -1; | |
bb6ab47b SH |
630 | addattr_l(&req->n, sizeof(*req), |
631 | IFLA_BROADCAST, abuf, len); | |
1d934839 | 632 | } else if (matches(*argv, "txqueuelen") == 0 || |
6c5ffb9a SH |
633 | strcmp(*argv, "qlen") == 0 || |
634 | matches(*argv, "txqlen") == 0) { | |
1d934839 PM |
635 | NEXT_ARG(); |
636 | if (qlen != -1) | |
637 | duparg("txqueuelen", *argv); | |
638 | if (get_integer(&qlen, *argv, 0)) | |
639 | invarg("Invalid \"txqueuelen\" value\n", *argv); | |
bb6ab47b SH |
640 | addattr_l(&req->n, sizeof(*req), |
641 | IFLA_TXQLEN, &qlen, 4); | |
1d934839 PM |
642 | } else if (strcmp(*argv, "mtu") == 0) { |
643 | NEXT_ARG(); | |
644 | if (mtu != -1) | |
645 | duparg("mtu", *argv); | |
646 | if (get_integer(&mtu, *argv, 0)) | |
647 | invarg("Invalid \"mtu\" value\n", *argv); | |
909dfe2c | 648 | addattr_l(&req->n, sizeof(*req), IFLA_MTU, &mtu, 4); |
a872b870 | 649 | } else if (strcmp(*argv, "xdpgeneric") == 0 || |
14683814 | 650 | strcmp(*argv, "xdpdrv") == 0 || |
1b5e8094 | 651 | strcmp(*argv, "xdpoffload") == 0 || |
a872b870 DB |
652 | strcmp(*argv, "xdp") == 0) { |
653 | bool generic = strcmp(*argv, "xdpgeneric") == 0; | |
14683814 | 654 | bool drv = strcmp(*argv, "xdpdrv") == 0; |
1b5e8094 | 655 | bool offload = strcmp(*argv, "xdpoffload") == 0; |
a872b870 | 656 | |
c7272ca7 | 657 | NEXT_ARG(); |
65083b5f | 658 | if (xdp_parse(&argc, &argv, req, dev, |
4f2eb14f | 659 | generic, drv, offload)) |
c7272ca7 | 660 | exit(-1); |
a24315ba | 661 | |
c58213f6 SP |
662 | if (offload && name == dev) |
663 | dev = NULL; | |
4b726cb1 SH |
664 | } else if (strcmp(*argv, "netns") == 0) { |
665 | NEXT_ARG(); | |
666 | if (netns != -1) | |
667 | duparg("netns", *argv); | |
6c5ffb9a SH |
668 | netns = netns_get_fd(*argv); |
669 | if (netns >= 0) | |
ef0a738c SH |
670 | addattr_l(&req->n, sizeof(*req), IFLA_NET_NS_FD, |
671 | &netns, 4); | |
0dc34c77 | 672 | else if (get_integer(&netns, *argv, 0) == 0) |
bb6ab47b SH |
673 | addattr_l(&req->n, sizeof(*req), |
674 | IFLA_NET_NS_PID, &netns, 4); | |
0dc34c77 | 675 | else |
4b726cb1 | 676 | invarg("Invalid \"netns\" value\n", *argv); |
1d934839 PM |
677 | } else if (strcmp(*argv, "multicast") == 0) { |
678 | NEXT_ARG(); | |
909dfe2c | 679 | req->i.ifi_change |= IFF_MULTICAST; |
6c5ffb9a SH |
680 | |
681 | if (strcmp(*argv, "on") == 0) | |
909dfe2c | 682 | req->i.ifi_flags |= IFF_MULTICAST; |
6c5ffb9a | 683 | else if (strcmp(*argv, "off") == 0) |
909dfe2c | 684 | req->i.ifi_flags &= ~IFF_MULTICAST; |
6c5ffb9a | 685 | else |
14645ec2 | 686 | return on_off("multicast", *argv); |
1d934839 PM |
687 | } else if (strcmp(*argv, "allmulticast") == 0) { |
688 | NEXT_ARG(); | |
909dfe2c | 689 | req->i.ifi_change |= IFF_ALLMULTI; |
6c5ffb9a SH |
690 | |
691 | if (strcmp(*argv, "on") == 0) | |
909dfe2c | 692 | req->i.ifi_flags |= IFF_ALLMULTI; |
6c5ffb9a | 693 | else if (strcmp(*argv, "off") == 0) |
909dfe2c | 694 | req->i.ifi_flags &= ~IFF_ALLMULTI; |
6c5ffb9a | 695 | else |
14645ec2 | 696 | return on_off("allmulticast", *argv); |
1d934839 PM |
697 | } else if (strcmp(*argv, "promisc") == 0) { |
698 | NEXT_ARG(); | |
909dfe2c | 699 | req->i.ifi_change |= IFF_PROMISC; |
6c5ffb9a SH |
700 | |
701 | if (strcmp(*argv, "on") == 0) | |
909dfe2c | 702 | req->i.ifi_flags |= IFF_PROMISC; |
6c5ffb9a | 703 | else if (strcmp(*argv, "off") == 0) |
909dfe2c | 704 | req->i.ifi_flags &= ~IFF_PROMISC; |
6c5ffb9a | 705 | else |
14645ec2 | 706 | return on_off("promisc", *argv); |
1d934839 PM |
707 | } else if (strcmp(*argv, "trailers") == 0) { |
708 | NEXT_ARG(); | |
909dfe2c | 709 | req->i.ifi_change |= IFF_NOTRAILERS; |
6c5ffb9a SH |
710 | |
711 | if (strcmp(*argv, "off") == 0) | |
909dfe2c | 712 | req->i.ifi_flags |= IFF_NOTRAILERS; |
6c5ffb9a | 713 | else if (strcmp(*argv, "on") == 0) |
909dfe2c | 714 | req->i.ifi_flags &= ~IFF_NOTRAILERS; |
6c5ffb9a | 715 | else |
14645ec2 | 716 | return on_off("trailers", *argv); |
1d934839 PM |
717 | } else if (strcmp(*argv, "arp") == 0) { |
718 | NEXT_ARG(); | |
909dfe2c | 719 | req->i.ifi_change |= IFF_NOARP; |
6c5ffb9a SH |
720 | |
721 | if (strcmp(*argv, "on") == 0) | |
909dfe2c | 722 | req->i.ifi_flags &= ~IFF_NOARP; |
6c5ffb9a | 723 | else if (strcmp(*argv, "off") == 0) |
909dfe2c | 724 | req->i.ifi_flags |= IFF_NOARP; |
6c5ffb9a | 725 | else |
e543a6a8 | 726 | return on_off("arp", *argv); |
432b92a7 ZS |
727 | } else if (strcmp(*argv, "carrier") == 0) { |
728 | int carrier; | |
bb6ab47b | 729 | |
432b92a7 | 730 | NEXT_ARG(); |
5f685d06 PM |
731 | carrier = parse_on_off("carrier", *argv, &err); |
732 | if (err) | |
733 | return err; | |
432b92a7 ZS |
734 | |
735 | addattr8(&req->n, sizeof(*req), IFLA_CARRIER, carrier); | |
ae7229d5 | 736 | } else if (strcmp(*argv, "vf") == 0) { |
1598b9ef | 737 | struct rtattr *vflist; |
6c5ffb9a | 738 | |
ae7229d5 | 739 | NEXT_ARG(); |
6c5ffb9a | 740 | if (get_integer(&vf, *argv, 0)) |
ae7229d5 | 741 | invarg("Invalid \"vf\" value\n", *argv); |
6c5ffb9a | 742 | |
1598b9ef SH |
743 | vflist = addattr_nest(&req->n, sizeof(*req), |
744 | IFLA_VFINFO_LIST); | |
65083b5f | 745 | if (!dev) |
9a02651a SH |
746 | missarg("dev"); |
747 | ||
65083b5f | 748 | len = iplink_parse_vf(vf, &argc, &argv, req, dev); |
1598b9ef SH |
749 | if (len < 0) |
750 | return -1; | |
751 | addattr_nest_end(&req->n, vflist); | |
a24315ba | 752 | |
c58213f6 SP |
753 | if (name == dev) |
754 | dev = NULL; | |
a1e191b9 JP |
755 | } else if (matches(*argv, "master") == 0) { |
756 | int ifindex; | |
6c5ffb9a | 757 | |
a1e191b9 JP |
758 | NEXT_ARG(); |
759 | ifindex = ll_name_to_index(*argv); | |
760 | if (!ifindex) | |
761 | invarg("Device does not exist\n", *argv); | |
762 | addattr_l(&req->n, sizeof(*req), IFLA_MASTER, | |
763 | &ifindex, 4); | |
104444c2 DA |
764 | } else if (strcmp(*argv, "vrf") == 0) { |
765 | int ifindex; | |
766 | ||
767 | NEXT_ARG(); | |
768 | ifindex = ll_name_to_index(*argv); | |
769 | if (!ifindex) | |
770 | invarg("Not a valid VRF name\n", *argv); | |
771 | if (!name_is_vrf(*argv)) | |
772 | invarg("Not a valid VRF name\n", *argv); | |
773 | addattr_l(&req->n, sizeof(*req), IFLA_MASTER, | |
774 | &ifindex, sizeof(ifindex)); | |
a1e191b9 JP |
775 | } else if (matches(*argv, "nomaster") == 0) { |
776 | int ifindex = 0; | |
6c5ffb9a | 777 | |
a1e191b9 JP |
778 | addattr_l(&req->n, sizeof(*req), IFLA_MASTER, |
779 | &ifindex, 4); | |
1d934839 PM |
780 | } else if (matches(*argv, "dynamic") == 0) { |
781 | NEXT_ARG(); | |
909dfe2c | 782 | req->i.ifi_change |= IFF_DYNAMIC; |
6c5ffb9a SH |
783 | |
784 | if (strcmp(*argv, "on") == 0) | |
909dfe2c | 785 | req->i.ifi_flags |= IFF_DYNAMIC; |
6c5ffb9a | 786 | else if (strcmp(*argv, "off") == 0) |
909dfe2c | 787 | req->i.ifi_flags &= ~IFF_DYNAMIC; |
6c5ffb9a | 788 | else |
14645ec2 | 789 | return on_off("dynamic", *argv); |
1d934839 PM |
790 | } else if (matches(*argv, "type") == 0) { |
791 | NEXT_ARG(); | |
909dfe2c | 792 | *type = *argv; |
1d934839 PM |
793 | argc--; argv++; |
794 | break; | |
ace9c961 | 795 | } else if (matches(*argv, "alias") == 0) { |
c4fb35bd | 796 | NEXT_ARG(); |
f88becf3 SP |
797 | len = strlen(*argv); |
798 | if (len >= IFALIASZ) | |
799 | invarg("alias too long\n", *argv); | |
ace9c961 | 800 | addattr_l(&req->n, sizeof(*req), IFLA_IFALIAS, |
f88becf3 | 801 | *argv, len); |
db02608b VD |
802 | } else if (strcmp(*argv, "group") == 0) { |
803 | NEXT_ARG(); | |
c58213f6 | 804 | if (group != -1) |
db02608b | 805 | duparg("group", *argv); |
c58213f6 | 806 | if (rtnl_group_a2n(&group, *argv)) |
db02608b | 807 | invarg("Invalid \"group\" value\n", *argv); |
c58213f6 | 808 | addattr32(&req->n, sizeof(*req), IFLA_GROUP, group); |
82499282 SH |
809 | } else if (strcmp(*argv, "mode") == 0) { |
810 | int mode; | |
6c5ffb9a | 811 | |
82499282 | 812 | NEXT_ARG(); |
4ccfb44d | 813 | mode = get_link_mode(*argv); |
82499282 SH |
814 | if (mode < 0) |
815 | invarg("Invalid link mode\n", *argv); | |
816 | addattr8(&req->n, sizeof(*req), IFLA_LINKMODE, mode); | |
4f2fdd44 SH |
817 | } else if (strcmp(*argv, "state") == 0) { |
818 | int state; | |
6c5ffb9a | 819 | |
4f2fdd44 SH |
820 | NEXT_ARG(); |
821 | state = get_operstate(*argv); | |
822 | if (state < 0) | |
823 | invarg("Invalid operstate\n", *argv); | |
824 | ||
825 | addattr8(&req->n, sizeof(*req), IFLA_OPERSTATE, state); | |
d992f3e6 JP |
826 | } else if (matches(*argv, "numtxqueues") == 0) { |
827 | NEXT_ARG(); | |
828 | if (numtxqueues != -1) | |
829 | duparg("numtxqueues", *argv); | |
830 | if (get_integer(&numtxqueues, *argv, 0)) | |
bb6ab47b SH |
831 | invarg("Invalid \"numtxqueues\" value\n", |
832 | *argv); | |
d992f3e6 JP |
833 | addattr_l(&req->n, sizeof(*req), IFLA_NUM_TX_QUEUES, |
834 | &numtxqueues, 4); | |
835 | } else if (matches(*argv, "numrxqueues") == 0) { | |
836 | NEXT_ARG(); | |
837 | if (numrxqueues != -1) | |
838 | duparg("numrxqueues", *argv); | |
839 | if (get_integer(&numrxqueues, *argv, 0)) | |
bb6ab47b SH |
840 | invarg("Invalid \"numrxqueues\" value\n", |
841 | *argv); | |
d992f3e6 JP |
842 | addattr_l(&req->n, sizeof(*req), IFLA_NUM_RX_QUEUES, |
843 | &numrxqueues, 4); | |
ff7c2084 JP |
844 | } else if (matches(*argv, "addrgenmode") == 0) { |
845 | struct rtattr *afs, *afs6; | |
846 | int mode; | |
6c5ffb9a | 847 | |
ff7c2084 JP |
848 | NEXT_ARG(); |
849 | mode = get_addr_gen_mode(*argv); | |
850 | if (mode < 0) | |
bb6ab47b SH |
851 | invarg("Invalid address generation mode\n", |
852 | *argv); | |
ff7c2084 JP |
853 | afs = addattr_nest(&req->n, sizeof(*req), IFLA_AF_SPEC); |
854 | afs6 = addattr_nest(&req->n, sizeof(*req), AF_INET6); | |
ef0a738c SH |
855 | addattr8(&req->n, sizeof(*req), |
856 | IFLA_INET6_ADDR_GEN_MODE, mode); | |
ff7c2084 JP |
857 | addattr_nest_end(&req->n, afs6); |
858 | addattr_nest_end(&req->n, afs); | |
974ef93b ND |
859 | } else if (matches(*argv, "link-netns") == 0) { |
860 | NEXT_ARG(); | |
861 | if (link_netnsid != -1) | |
862 | duparg("link-netns/link-netnsid", *argv); | |
863 | link_netnsid = get_netnsid_from_name(*argv); | |
864 | /* No nsid? Try to assign one. */ | |
865 | if (link_netnsid < 0) | |
866 | set_netnsid_from_name(*argv, -1); | |
867 | link_netnsid = get_netnsid_from_name(*argv); | |
868 | if (link_netnsid < 0) | |
869 | invarg("Invalid \"link-netns\" value\n", | |
870 | *argv); | |
871 | addattr32(&req->n, sizeof(*req), IFLA_LINK_NETNSID, | |
872 | link_netnsid); | |
ccdcbf35 ND |
873 | } else if (matches(*argv, "link-netnsid") == 0) { |
874 | NEXT_ARG(); | |
875 | if (link_netnsid != -1) | |
974ef93b | 876 | duparg("link-netns/link-netnsid", *argv); |
ccdcbf35 | 877 | if (get_integer(&link_netnsid, *argv, 0)) |
bb6ab47b SH |
878 | invarg("Invalid \"link-netnsid\" value\n", |
879 | *argv); | |
ccdcbf35 ND |
880 | addattr32(&req->n, sizeof(*req), IFLA_LINK_NETNSID, |
881 | link_netnsid); | |
18864827 AK |
882 | } else if (strcmp(*argv, "protodown") == 0) { |
883 | unsigned int proto_down; | |
884 | ||
885 | NEXT_ARG(); | |
5f685d06 PM |
886 | proto_down = parse_on_off("protodown", *argv, &err); |
887 | if (err) | |
888 | return err; | |
18864827 AK |
889 | addattr8(&req->n, sizeof(*req), IFLA_PROTO_DOWN, |
890 | proto_down); | |
6fd53b2a RP |
891 | } else if (strcmp(*argv, "protodown_reason") == 0) { |
892 | struct rtattr *pr; | |
893 | __u32 preason = 0, prvalue = 0, prmask = 0; | |
894 | ||
895 | NEXT_ARG(); | |
896 | if (protodown_reason_a2n(&preason, *argv)) | |
897 | invarg("invalid protodown reason\n", *argv); | |
898 | NEXT_ARG(); | |
899 | prmask = 1 << preason; | |
900 | if (matches(*argv, "on") == 0) | |
901 | prvalue |= prmask; | |
902 | else if (matches(*argv, "off") == 0) | |
903 | prvalue &= ~prmask; | |
904 | else | |
905 | return on_off("protodown_reason", *argv); | |
906 | pr = addattr_nest(&req->n, sizeof(*req), | |
907 | IFLA_PROTO_DOWN_REASON | NLA_F_NESTED); | |
908 | addattr32(&req->n, sizeof(*req), | |
909 | IFLA_PROTO_DOWN_REASON_MASK, prmask); | |
910 | addattr32(&req->n, sizeof(*req), | |
911 | IFLA_PROTO_DOWN_REASON_VALUE, prvalue); | |
912 | addattr_nest_end(&req->n, pr); | |
c2db423f SH |
913 | } else if (strcmp(*argv, "gso_max_size") == 0) { |
914 | unsigned int max_size; | |
915 | ||
916 | NEXT_ARG(); | |
051274b4 | 917 | if (get_unsigned(&max_size, *argv, 0) || |
08f9d166 | 918 | max_size > GSO_MAX_SIZE) |
c2db423f SH |
919 | invarg("Invalid \"gso_max_size\" value\n", |
920 | *argv); | |
08f9d166 SH |
921 | addattr32(&req->n, sizeof(*req), |
922 | IFLA_GSO_MAX_SIZE, max_size); | |
c2db423f SH |
923 | } else if (strcmp(*argv, "gso_max_segs") == 0) { |
924 | unsigned int max_segs; | |
925 | ||
926 | NEXT_ARG(); | |
08f9d166 SH |
927 | if (get_unsigned(&max_segs, *argv, 0) || |
928 | max_segs > GSO_MAX_SEGS) | |
c2db423f SH |
929 | invarg("Invalid \"gso_max_segs\" value\n", |
930 | *argv); | |
08f9d166 SH |
931 | addattr32(&req->n, sizeof(*req), |
932 | IFLA_GSO_MAX_SEGS, max_segs); | |
1d934839 | 933 | } else { |
05325552 PM |
934 | if (matches(*argv, "help") == 0) |
935 | usage(); | |
940a96e6 PS |
936 | |
937 | if (strcmp(*argv, "dev") == 0) | |
938 | NEXT_ARG(); | |
c58213f6 | 939 | if (dev != name) |
1d934839 | 940 | duparg2("dev", *argv); |
afd67550 | 941 | if (check_altifname(*argv)) |
625df645 | 942 | invarg("\"dev\" not a valid ifname", *argv); |
c58213f6 | 943 | dev = *argv; |
1d934839 PM |
944 | } |
945 | argc--; argv++; | |
946 | } | |
947 | ||
c58213f6 SP |
948 | ret -= argc; |
949 | ||
a24315ba | 950 | /* Allow "ip link add dev" and "ip link add name" */ |
c58213f6 SP |
951 | if (!name) |
952 | name = dev; | |
953 | else if (!dev) | |
954 | dev = name; | |
955 | else if (!strcmp(name, dev)) | |
956 | name = dev; | |
a24315ba | 957 | |
c4422348 ND |
958 | if (dev && addr_len && |
959 | !(req->n.nlmsg_flags & NLM_F_CREATE)) { | |
65083b5f | 960 | int halen = nl_get_ll_addr_len(dev); |
ef0a738c | 961 | |
8fe58d58 PS |
962 | if (halen >= 0 && halen != addr_len) { |
963 | fprintf(stderr, | |
ef0a738c SH |
964 | "Invalid address length %d - must be %d bytes\n", |
965 | addr_len, halen); | |
8fe58d58 PS |
966 | return -1; |
967 | } | |
968 | } | |
969 | ||
c58213f6 | 970 | if (!(req->n.nlmsg_flags & NLM_F_CREATE) && index) { |
b06a2960 SP |
971 | fprintf(stderr, |
972 | "index can be used only when creating devices.\n"); | |
973 | exit(-1); | |
974 | } | |
975 | ||
db02608b | 976 | if (group != -1) { |
c58213f6 | 977 | if (!dev) { |
db02608b | 978 | if (argc) { |
6773bcc2 SH |
979 | fprintf(stderr, |
980 | "Garbage instead of arguments \"%s ...\". Try \"ip link help\".\n", | |
981 | *argv); | |
c58213f6 | 982 | exit(-1); |
db02608b | 983 | } |
c58213f6 | 984 | if (req->n.nlmsg_flags & NLM_F_CREATE) { |
bb6ab47b SH |
985 | fprintf(stderr, |
986 | "group cannot be used when creating devices.\n"); | |
c58213f6 | 987 | exit(-1); |
db02608b VD |
988 | } |
989 | ||
c58213f6 SP |
990 | *type = NULL; |
991 | return ret; | |
db02608b VD |
992 | } |
993 | } | |
994 | ||
c58213f6 | 995 | if (!(req->n.nlmsg_flags & NLM_F_CREATE)) { |
1d934839 | 996 | if (!dev) { |
bb6ab47b SH |
997 | fprintf(stderr, |
998 | "Not enough information: \"dev\" argument is required.\n"); | |
1d934839 PM |
999 | exit(-1); |
1000 | } | |
1001 | ||
c58213f6 SP |
1002 | req->i.ifi_index = ll_name_to_index(dev); |
1003 | if (!req->i.ifi_index) | |
fe99adbc | 1004 | return nodev(dev); |
a24315ba SP |
1005 | |
1006 | /* Not renaming to the same name */ | |
1007 | if (name == dev) | |
1008 | name = NULL; | |
1d934839 | 1009 | } else { |
a24315ba SP |
1010 | if (name != dev) { |
1011 | fprintf(stderr, | |
1012 | "both \"name\" and \"dev\" cannot be used when creating devices.\n"); | |
1013 | exit(-1); | |
1014 | } | |
1d934839 PM |
1015 | |
1016 | if (link) { | |
1017 | int ifindex; | |
1018 | ||
1019 | ifindex = ll_name_to_index(link); | |
fe99adbc SP |
1020 | if (!ifindex) |
1021 | return nodev(link); | |
c58213f6 | 1022 | addattr32(&req->n, sizeof(*req), IFLA_LINK, ifindex); |
1d934839 | 1023 | } |
5e25cf77 | 1024 | |
c58213f6 | 1025 | req->i.ifi_index = index; |
1d934839 PM |
1026 | } |
1027 | ||
1028 | if (name) { | |
c58213f6 | 1029 | addattr_l(&req->n, sizeof(*req), |
625df645 | 1030 | IFLA_IFNAME, name, strlen(name) + 1); |
1d934839 PM |
1031 | } |
1032 | ||
c58213f6 SP |
1033 | return ret; |
1034 | } | |
1035 | ||
1036 | static int iplink_modify(int cmd, unsigned int flags, int argc, char **argv) | |
1037 | { | |
1038 | char *type = NULL; | |
1039 | struct iplink_req req = { | |
1040 | .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)), | |
1041 | .n.nlmsg_flags = NLM_F_REQUEST | flags, | |
1042 | .n.nlmsg_type = cmd, | |
1043 | .i.ifi_family = preferred_family, | |
1044 | }; | |
1045 | int ret; | |
1046 | ||
1047 | ret = iplink_parse(argc, argv, &req, &type); | |
1048 | if (ret < 0) | |
1049 | return ret; | |
1050 | ||
09fa3279 | 1051 | if (type) { |
c58213f6 | 1052 | struct link_util *lu; |
a1e2e5fc | 1053 | struct rtattr *linkinfo; |
22a84711 | 1054 | char *ulinep = strchr(type, '_'); |
620ddeda NA |
1055 | int iflatype; |
1056 | ||
a1e2e5fc | 1057 | linkinfo = addattr_nest(&req.n, sizeof(req), IFLA_LINKINFO); |
09fa3279 SH |
1058 | addattr_l(&req.n, sizeof(req), IFLA_INFO_KIND, type, |
1059 | strlen(type)); | |
1060 | ||
22a84711 HL |
1061 | lu = get_link_kind(type); |
1062 | if (ulinep && !strcmp(ulinep, "_slave")) | |
620ddeda | 1063 | iflatype = IFLA_INFO_SLAVE_DATA; |
22a84711 | 1064 | else |
620ddeda | 1065 | iflatype = IFLA_INFO_DATA; |
c58213f6 SP |
1066 | |
1067 | argc -= ret; | |
1068 | argv += ret; | |
1069 | ||
09fa3279 | 1070 | if (lu && argc) { |
c14f9d92 SP |
1071 | struct rtattr *data; |
1072 | ||
1073 | data = addattr_nest(&req.n, sizeof(req), iflatype); | |
09fa3279 SH |
1074 | |
1075 | if (lu->parse_opt && | |
1076 | lu->parse_opt(lu, argc, argv, &req.n)) | |
1077 | return -1; | |
1078 | ||
a1e2e5fc | 1079 | addattr_nest_end(&req.n, data); |
09fa3279 SH |
1080 | } else if (argc) { |
1081 | if (matches(*argv, "help") == 0) | |
1082 | usage(); | |
6773bcc2 SH |
1083 | fprintf(stderr, |
1084 | "Garbage instead of arguments \"%s ...\". Try \"ip link help\".\n", | |
1085 | *argv); | |
09fa3279 SH |
1086 | return -1; |
1087 | } | |
a1e2e5fc | 1088 | addattr_nest_end(&req.n, linkinfo); |
09fa3279 | 1089 | } else if (flags & NLM_F_CREATE) { |
bb6ab47b SH |
1090 | fprintf(stderr, |
1091 | "Not enough information: \"type\" argument is required\n"); | |
09fa3279 SH |
1092 | return -1; |
1093 | } | |
1094 | ||
86bf43c7 | 1095 | if (rtnl_talk(&rth, &req.n, NULL) < 0) |
f921f567 | 1096 | return -2; |
1d934839 | 1097 | |
db1aafd8 DA |
1098 | /* remove device from cache; next use can refresh with new data */ |
1099 | ll_drop_by_index(req.i.ifi_index); | |
1100 | ||
1d934839 PM |
1101 | return 0; |
1102 | } | |
1103 | ||
260137e2 | 1104 | int iplink_get(char *name, __u32 filt_mask) |
50b9950d | 1105 | { |
d17b136f PS |
1106 | struct iplink_req req = { |
1107 | .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)), | |
260137e2 | 1108 | .n.nlmsg_flags = NLM_F_REQUEST, |
d17b136f PS |
1109 | .n.nlmsg_type = RTM_GETLINK, |
1110 | .i.ifi_family = preferred_family, | |
1111 | }; | |
86bf43c7 | 1112 | struct nlmsghdr *answer; |
50b9950d | 1113 | |
50b9950d | 1114 | if (name) { |
625df645 | 1115 | addattr_l(&req.n, sizeof(req), |
afd67550 JP |
1116 | !check_ifname(name) ? IFLA_IFNAME : IFLA_ALT_IFNAME, |
1117 | name, strlen(name) + 1); | |
50b9950d RP |
1118 | } |
1119 | addattr32(&req.n, sizeof(req), IFLA_EXT_MASK, filt_mask); | |
1120 | ||
86bf43c7 | 1121 | if (rtnl_talk(&rth, &req.n, &answer) < 0) |
50b9950d RP |
1122 | return -2; |
1123 | ||
e4a1216a | 1124 | open_json_object(NULL); |
cd554f2c | 1125 | print_linkinfo(answer, stdout); |
e4a1216a | 1126 | close_json_object(); |
50b9950d | 1127 | |
86bf43c7 | 1128 | free(answer); |
50b9950d RP |
1129 | return 0; |
1130 | } | |
1131 | ||
1d934839 | 1132 | #if IPLINK_IOCTL_COMPAT |
aba5acdf SH |
1133 | static int get_ctl_fd(void) |
1134 | { | |
1135 | int s_errno; | |
1136 | int fd; | |
1137 | ||
1138 | fd = socket(PF_INET, SOCK_DGRAM, 0); | |
1139 | if (fd >= 0) | |
1140 | return fd; | |
1141 | s_errno = errno; | |
1142 | fd = socket(PF_PACKET, SOCK_DGRAM, 0); | |
1143 | if (fd >= 0) | |
1144 | return fd; | |
1145 | fd = socket(PF_INET6, SOCK_DGRAM, 0); | |
1146 | if (fd >= 0) | |
1147 | return fd; | |
1148 | errno = s_errno; | |
1149 | perror("Cannot create control socket"); | |
1150 | return -1; | |
1151 | } | |
1152 | ||
71058eb8 | 1153 | static int do_chflags(const char *dev, __u32 flags, __u32 mask) |
aba5acdf SH |
1154 | { |
1155 | struct ifreq ifr; | |
1156 | int fd; | |
1157 | int err; | |
1158 | ||
fc9d755a | 1159 | strlcpy(ifr.ifr_name, dev, IFNAMSIZ); |
aba5acdf SH |
1160 | fd = get_ctl_fd(); |
1161 | if (fd < 0) | |
1162 | return -1; | |
1163 | err = ioctl(fd, SIOCGIFFLAGS, &ifr); | |
1164 | if (err) { | |
1165 | perror("SIOCGIFFLAGS"); | |
1166 | close(fd); | |
1167 | return -1; | |
1168 | } | |
1169 | if ((ifr.ifr_flags^flags)&mask) { | |
1170 | ifr.ifr_flags &= ~mask; | |
1171 | ifr.ifr_flags |= mask&flags; | |
1172 | err = ioctl(fd, SIOCSIFFLAGS, &ifr); | |
1173 | if (err) | |
1174 | perror("SIOCSIFFLAGS"); | |
1175 | } | |
1176 | close(fd); | |
1177 | return err; | |
1178 | } | |
1179 | ||
71058eb8 | 1180 | static int do_changename(const char *dev, const char *newdev) |
aba5acdf SH |
1181 | { |
1182 | struct ifreq ifr; | |
1183 | int fd; | |
1184 | int err; | |
1185 | ||
fc9d755a SH |
1186 | strlcpy(ifr.ifr_name, dev, IFNAMSIZ); |
1187 | strlcpy(ifr.ifr_newname, newdev, IFNAMSIZ); | |
aba5acdf SH |
1188 | fd = get_ctl_fd(); |
1189 | if (fd < 0) | |
1190 | return -1; | |
1191 | err = ioctl(fd, SIOCSIFNAME, &ifr); | |
1192 | if (err) { | |
1193 | perror("SIOCSIFNAME"); | |
1194 | close(fd); | |
1195 | return -1; | |
1196 | } | |
1197 | close(fd); | |
1198 | return err; | |
1199 | } | |
1200 | ||
71058eb8 | 1201 | static int set_qlen(const char *dev, int qlen) |
aba5acdf | 1202 | { |
d17b136f | 1203 | struct ifreq ifr = { .ifr_qlen = qlen }; |
aba5acdf SH |
1204 | int s; |
1205 | ||
1206 | s = get_ctl_fd(); | |
1207 | if (s < 0) | |
1208 | return -1; | |
1209 | ||
fc9d755a | 1210 | strlcpy(ifr.ifr_name, dev, IFNAMSIZ); |
aba5acdf SH |
1211 | if (ioctl(s, SIOCSIFTXQLEN, &ifr) < 0) { |
1212 | perror("SIOCSIFXQLEN"); | |
1213 | close(s); | |
1214 | return -1; | |
1215 | } | |
1216 | close(s); | |
1217 | ||
ae665a52 | 1218 | return 0; |
aba5acdf SH |
1219 | } |
1220 | ||
71058eb8 | 1221 | static int set_mtu(const char *dev, int mtu) |
aba5acdf | 1222 | { |
d17b136f | 1223 | struct ifreq ifr = { .ifr_mtu = mtu }; |
aba5acdf SH |
1224 | int s; |
1225 | ||
1226 | s = get_ctl_fd(); | |
1227 | if (s < 0) | |
1228 | return -1; | |
1229 | ||
fc9d755a | 1230 | strlcpy(ifr.ifr_name, dev, IFNAMSIZ); |
aba5acdf SH |
1231 | if (ioctl(s, SIOCSIFMTU, &ifr) < 0) { |
1232 | perror("SIOCSIFMTU"); | |
1233 | close(s); | |
1234 | return -1; | |
1235 | } | |
1236 | close(s); | |
1237 | ||
ae665a52 | 1238 | return 0; |
aba5acdf SH |
1239 | } |
1240 | ||
71058eb8 | 1241 | static int get_address(const char *dev, int *htype) |
aba5acdf | 1242 | { |
d17b136f PS |
1243 | struct ifreq ifr = {}; |
1244 | struct sockaddr_ll me = { | |
1245 | .sll_family = AF_PACKET, | |
1246 | .sll_protocol = htons(ETH_P_LOOP), | |
1247 | }; | |
f332d169 | 1248 | socklen_t alen; |
aba5acdf SH |
1249 | int s; |
1250 | ||
1251 | s = socket(PF_PACKET, SOCK_DGRAM, 0); | |
ae665a52 | 1252 | if (s < 0) { |
aba5acdf SH |
1253 | perror("socket(PF_PACKET)"); |
1254 | return -1; | |
1255 | } | |
1256 | ||
fc9d755a | 1257 | strlcpy(ifr.ifr_name, dev, IFNAMSIZ); |
aba5acdf SH |
1258 | if (ioctl(s, SIOCGIFINDEX, &ifr) < 0) { |
1259 | perror("SIOCGIFINDEX"); | |
1260 | close(s); | |
1261 | return -1; | |
1262 | } | |
1263 | ||
aba5acdf | 1264 | me.sll_ifindex = ifr.ifr_ifindex; |
6c5ffb9a | 1265 | if (bind(s, (struct sockaddr *)&me, sizeof(me)) == -1) { |
aba5acdf SH |
1266 | perror("bind"); |
1267 | close(s); | |
1268 | return -1; | |
1269 | } | |
1270 | ||
1271 | alen = sizeof(me); | |
6c5ffb9a | 1272 | if (getsockname(s, (struct sockaddr *)&me, &alen) == -1) { |
aba5acdf SH |
1273 | perror("getsockname"); |
1274 | close(s); | |
1275 | return -1; | |
1276 | } | |
1277 | close(s); | |
1278 | *htype = me.sll_hatype; | |
1279 | return me.sll_halen; | |
1280 | } | |
1281 | ||
ae665a52 | 1282 | static int parse_address(const char *dev, int hatype, int halen, |
7b565754 | 1283 | char *lla, struct ifreq *ifr) |
aba5acdf SH |
1284 | { |
1285 | int alen; | |
1286 | ||
1287 | memset(ifr, 0, sizeof(*ifr)); | |
fc9d755a | 1288 | strlcpy(ifr->ifr_name, dev, IFNAMSIZ); |
aba5acdf SH |
1289 | ifr->ifr_hwaddr.sa_family = hatype; |
1290 | alen = ll_addr_a2n(ifr->ifr_hwaddr.sa_data, 14, lla); | |
1291 | if (alen < 0) | |
1292 | return -1; | |
1293 | if (alen != halen) { | |
bb6ab47b SH |
1294 | fprintf(stderr, |
1295 | "Wrong address (%s) length: expected %d bytes\n", | |
ef0a738c | 1296 | lla, halen); |
aba5acdf SH |
1297 | return -1; |
1298 | } | |
ae665a52 | 1299 | return 0; |
aba5acdf SH |
1300 | } |
1301 | ||
1302 | static int set_address(struct ifreq *ifr, int brd) | |
1303 | { | |
1304 | int s; | |
1305 | ||
1306 | s = get_ctl_fd(); | |
1307 | if (s < 0) | |
1308 | return -1; | |
1309 | if (ioctl(s, brd?SIOCSIFHWBROADCAST:SIOCSIFHWADDR, ifr) < 0) { | |
1310 | perror(brd?"SIOCSIFHWBROADCAST":"SIOCSIFHWADDR"); | |
1311 | close(s); | |
1312 | return -1; | |
1313 | } | |
1314 | close(s); | |
ae665a52 | 1315 | return 0; |
aba5acdf SH |
1316 | } |
1317 | ||
aba5acdf SH |
1318 | static int do_set(int argc, char **argv) |
1319 | { | |
1320 | char *dev = NULL; | |
1321 | __u32 mask = 0; | |
1322 | __u32 flags = 0; | |
1323 | int qlen = -1; | |
1324 | int mtu = -1; | |
1325 | char *newaddr = NULL; | |
1326 | char *newbrd = NULL; | |
1327 | struct ifreq ifr0, ifr1; | |
1328 | char *newname = NULL; | |
1329 | int htype, halen; | |
1330 | ||
1331 | while (argc > 0) { | |
1332 | if (strcmp(*argv, "up") == 0) { | |
1333 | mask |= IFF_UP; | |
1334 | flags |= IFF_UP; | |
1335 | } else if (strcmp(*argv, "down") == 0) { | |
1336 | mask |= IFF_UP; | |
1337 | flags &= ~IFF_UP; | |
1338 | } else if (strcmp(*argv, "name") == 0) { | |
1339 | NEXT_ARG(); | |
625df645 PS |
1340 | if (check_ifname(*argv)) |
1341 | invarg("\"name\" not a valid ifname", *argv); | |
aba5acdf SH |
1342 | newname = *argv; |
1343 | } else if (matches(*argv, "address") == 0) { | |
1344 | NEXT_ARG(); | |
1345 | newaddr = *argv; | |
1346 | } else if (matches(*argv, "broadcast") == 0 || | |
1347 | strcmp(*argv, "brd") == 0) { | |
1348 | NEXT_ARG(); | |
1349 | newbrd = *argv; | |
1350 | } else if (matches(*argv, "txqueuelen") == 0 || | |
1351 | strcmp(*argv, "qlen") == 0 || | |
1352 | matches(*argv, "txqlen") == 0) { | |
1353 | NEXT_ARG(); | |
1354 | if (qlen != -1) | |
1355 | duparg("txqueuelen", *argv); | |
1356 | if (get_integer(&qlen, *argv, 0)) | |
1357 | invarg("Invalid \"txqueuelen\" value\n", *argv); | |
1358 | } else if (strcmp(*argv, "mtu") == 0) { | |
1359 | NEXT_ARG(); | |
1360 | if (mtu != -1) | |
1361 | duparg("mtu", *argv); | |
1362 | if (get_integer(&mtu, *argv, 0)) | |
1363 | invarg("Invalid \"mtu\" value\n", *argv); | |
1364 | } else if (strcmp(*argv, "multicast") == 0) { | |
1365 | NEXT_ARG(); | |
1366 | mask |= IFF_MULTICAST; | |
6c5ffb9a SH |
1367 | |
1368 | if (strcmp(*argv, "on") == 0) | |
aba5acdf | 1369 | flags |= IFF_MULTICAST; |
6c5ffb9a | 1370 | else if (strcmp(*argv, "off") == 0) |
aba5acdf | 1371 | flags &= ~IFF_MULTICAST; |
6c5ffb9a | 1372 | else |
14645ec2 | 1373 | return on_off("multicast", *argv); |
d27b1b5b | 1374 | } else if (strcmp(*argv, "allmulticast") == 0) { |
1375 | NEXT_ARG(); | |
1376 | mask |= IFF_ALLMULTI; | |
6c5ffb9a SH |
1377 | |
1378 | if (strcmp(*argv, "on") == 0) | |
d27b1b5b | 1379 | flags |= IFF_ALLMULTI; |
6c5ffb9a | 1380 | else if (strcmp(*argv, "off") == 0) |
d27b1b5b | 1381 | flags &= ~IFF_ALLMULTI; |
6c5ffb9a | 1382 | else |
14645ec2 | 1383 | return on_off("allmulticast", *argv); |
d27b1b5b | 1384 | } else if (strcmp(*argv, "promisc") == 0) { |
1385 | NEXT_ARG(); | |
1386 | mask |= IFF_PROMISC; | |
6c5ffb9a SH |
1387 | |
1388 | if (strcmp(*argv, "on") == 0) | |
d27b1b5b | 1389 | flags |= IFF_PROMISC; |
6c5ffb9a | 1390 | else if (strcmp(*argv, "off") == 0) |
d27b1b5b | 1391 | flags &= ~IFF_PROMISC; |
6c5ffb9a | 1392 | else |
14645ec2 | 1393 | return on_off("promisc", *argv); |
d27b1b5b | 1394 | } else if (strcmp(*argv, "trailers") == 0) { |
1395 | NEXT_ARG(); | |
1396 | mask |= IFF_NOTRAILERS; | |
6c5ffb9a SH |
1397 | |
1398 | if (strcmp(*argv, "off") == 0) | |
d27b1b5b | 1399 | flags |= IFF_NOTRAILERS; |
6c5ffb9a | 1400 | else if (strcmp(*argv, "on") == 0) |
d27b1b5b | 1401 | flags &= ~IFF_NOTRAILERS; |
6c5ffb9a | 1402 | else |
14645ec2 | 1403 | return on_off("trailers", *argv); |
aba5acdf SH |
1404 | } else if (strcmp(*argv, "arp") == 0) { |
1405 | NEXT_ARG(); | |
1406 | mask |= IFF_NOARP; | |
6c5ffb9a SH |
1407 | |
1408 | if (strcmp(*argv, "on") == 0) | |
aba5acdf | 1409 | flags &= ~IFF_NOARP; |
6c5ffb9a | 1410 | else if (strcmp(*argv, "off") == 0) |
aba5acdf | 1411 | flags |= IFF_NOARP; |
6c5ffb9a | 1412 | else |
ff1e35ed | 1413 | return on_off("arp", *argv); |
aba5acdf SH |
1414 | } else if (matches(*argv, "dynamic") == 0) { |
1415 | NEXT_ARG(); | |
1416 | mask |= IFF_DYNAMIC; | |
6c5ffb9a SH |
1417 | |
1418 | if (strcmp(*argv, "on") == 0) | |
aba5acdf | 1419 | flags |= IFF_DYNAMIC; |
6c5ffb9a | 1420 | else if (strcmp(*argv, "off") == 0) |
aba5acdf | 1421 | flags &= ~IFF_DYNAMIC; |
6c5ffb9a | 1422 | else |
14645ec2 | 1423 | return on_off("dynamic", *argv); |
aba5acdf | 1424 | } else { |
6c5ffb9a | 1425 | if (strcmp(*argv, "dev") == 0) |
aba5acdf | 1426 | NEXT_ARG(); |
8aacb9bb | 1427 | else if (matches(*argv, "help") == 0) |
aba5acdf | 1428 | usage(); |
6c5ffb9a | 1429 | |
aba5acdf SH |
1430 | if (dev) |
1431 | duparg2("dev", *argv); | |
625df645 PS |
1432 | if (check_ifname(*argv)) |
1433 | invarg("\"dev\" not a valid ifname", *argv); | |
aba5acdf SH |
1434 | dev = *argv; |
1435 | } | |
1436 | argc--; argv++; | |
1437 | } | |
1438 | ||
1439 | if (!dev) { | |
ef0a738c SH |
1440 | fprintf(stderr, |
1441 | "Not enough of information: \"dev\" argument is required.\n"); | |
aba5acdf SH |
1442 | exit(-1); |
1443 | } | |
1444 | ||
1445 | if (newaddr || newbrd) { | |
1446 | halen = get_address(dev, &htype); | |
1447 | if (halen < 0) | |
1448 | return -1; | |
1449 | if (newaddr) { | |
bb6ab47b SH |
1450 | if (parse_address(dev, htype, halen, |
1451 | newaddr, &ifr0) < 0) | |
aba5acdf SH |
1452 | return -1; |
1453 | } | |
1454 | if (newbrd) { | |
bb6ab47b SH |
1455 | if (parse_address(dev, htype, halen, |
1456 | newbrd, &ifr1) < 0) | |
ae665a52 | 1457 | return -1; |
aba5acdf SH |
1458 | } |
1459 | } | |
1460 | ||
1461 | if (newname && strcmp(dev, newname)) { | |
1462 | if (do_changename(dev, newname) < 0) | |
1463 | return -1; | |
1464 | dev = newname; | |
1465 | } | |
ae665a52 | 1466 | if (qlen != -1) { |
aba5acdf | 1467 | if (set_qlen(dev, qlen) < 0) |
ae665a52 | 1468 | return -1; |
aba5acdf | 1469 | } |
ae665a52 | 1470 | if (mtu != -1) { |
aba5acdf | 1471 | if (set_mtu(dev, mtu) < 0) |
ae665a52 | 1472 | return -1; |
aba5acdf SH |
1473 | } |
1474 | if (newaddr || newbrd) { | |
1475 | if (newbrd) { | |
1476 | if (set_address(&ifr1, 1) < 0) | |
ae665a52 | 1477 | return -1; |
aba5acdf SH |
1478 | } |
1479 | if (newaddr) { | |
1480 | if (set_address(&ifr0, 0) < 0) | |
1481 | return -1; | |
1482 | } | |
1483 | } | |
1484 | if (mask) | |
1485 | return do_chflags(dev, flags, mask); | |
1486 | return 0; | |
1487 | } | |
1d934839 | 1488 | #endif /* IPLINK_IOCTL_COMPAT */ |
aba5acdf | 1489 | |
837552b4 RS |
1490 | static void print_mpls_stats(FILE *fp, struct rtattr *attr) |
1491 | { | |
1492 | struct rtattr *mrtb[MPLS_STATS_MAX+1]; | |
1493 | struct mpls_link_stats *stats; | |
1494 | ||
1495 | parse_rtattr(mrtb, MPLS_STATS_MAX, RTA_DATA(attr), | |
1496 | RTA_PAYLOAD(attr)); | |
1497 | if (!mrtb[MPLS_STATS_LINK]) | |
1498 | return; | |
1499 | ||
1500 | stats = RTA_DATA(mrtb[MPLS_STATS_LINK]); | |
1501 | ||
1502 | fprintf(fp, " mpls:\n"); | |
1503 | fprintf(fp, " RX: bytes packets errors dropped noroute\n"); | |
1504 | fprintf(fp, " "); | |
1505 | print_num(fp, 10, stats->rx_bytes); | |
1506 | print_num(fp, 8, stats->rx_packets); | |
1507 | print_num(fp, 7, stats->rx_errors); | |
1508 | print_num(fp, 8, stats->rx_dropped); | |
1509 | print_num(fp, 7, stats->rx_noroute); | |
1510 | fprintf(fp, "\n"); | |
1511 | fprintf(fp, " TX: bytes packets errors dropped\n"); | |
1512 | fprintf(fp, " "); | |
1513 | print_num(fp, 10, stats->tx_bytes); | |
1514 | print_num(fp, 8, stats->tx_packets); | |
1515 | print_num(fp, 7, stats->tx_errors); | |
1516 | print_num(fp, 7, stats->tx_dropped); | |
1517 | fprintf(fp, "\n"); | |
1518 | } | |
1519 | ||
1520 | static void print_af_stats_attr(FILE *fp, int ifindex, struct rtattr *attr) | |
1521 | { | |
1522 | bool if_printed = false; | |
1523 | struct rtattr *i; | |
1524 | int rem; | |
1525 | ||
1526 | rem = RTA_PAYLOAD(attr); | |
1527 | for (i = RTA_DATA(attr); RTA_OK(i, rem); i = RTA_NEXT(i, rem)) { | |
1528 | if (preferred_family != AF_UNSPEC && | |
1529 | i->rta_type != preferred_family) | |
1530 | continue; | |
1531 | ||
1532 | if (!if_printed) { | |
1533 | fprintf(fp, "%u: %s\n", ifindex, | |
1534 | ll_index_to_name(ifindex)); | |
1535 | if_printed = true; | |
1536 | } | |
1537 | ||
1538 | switch (i->rta_type) { | |
1539 | case AF_MPLS: | |
1540 | print_mpls_stats(fp, i); | |
1541 | break; | |
1542 | default: | |
1543 | fprintf(fp, " unknown af(%d)\n", i->rta_type); | |
1544 | break; | |
1545 | } | |
1546 | } | |
1547 | } | |
1548 | ||
1549 | struct af_stats_ctx { | |
1550 | FILE *fp; | |
1551 | int ifindex; | |
1552 | }; | |
1553 | ||
cd554f2c | 1554 | static int print_af_stats(struct nlmsghdr *n, void *arg) |
837552b4 RS |
1555 | { |
1556 | struct if_stats_msg *ifsm = NLMSG_DATA(n); | |
1557 | struct rtattr *tb[IFLA_STATS_MAX+1]; | |
1558 | int len = n->nlmsg_len; | |
1559 | struct af_stats_ctx *ctx = arg; | |
1560 | FILE *fp = ctx->fp; | |
1561 | ||
1562 | len -= NLMSG_LENGTH(sizeof(*ifsm)); | |
1563 | if (len < 0) { | |
1564 | fprintf(stderr, "BUG: wrong nlmsg len %d\n", len); | |
1565 | return -1; | |
1566 | } | |
1567 | ||
1568 | if (ctx->ifindex && ifsm->ifindex != ctx->ifindex) | |
1569 | return 0; | |
1570 | ||
1571 | parse_rtattr(tb, IFLA_STATS_MAX, IFLA_STATS_RTA(ifsm), len); | |
1572 | ||
1573 | if (tb[IFLA_STATS_AF_SPEC]) | |
1574 | print_af_stats_attr(fp, ifsm->ifindex, tb[IFLA_STATS_AF_SPEC]); | |
1575 | ||
1576 | fflush(fp); | |
1577 | return 0; | |
1578 | } | |
1579 | ||
1580 | static int iplink_afstats(int argc, char **argv) | |
1581 | { | |
1582 | __u32 filt_mask = IFLA_STATS_FILTER_BIT(IFLA_STATS_AF_SPEC); | |
1583 | const char *filter_dev = NULL; | |
1584 | struct af_stats_ctx ctx = { | |
1585 | .fp = stdout, | |
1586 | .ifindex = 0, | |
1587 | }; | |
1588 | ||
1589 | while (argc > 0) { | |
1590 | if (strcmp(*argv, "dev") == 0) { | |
1591 | NEXT_ARG(); | |
1592 | if (filter_dev) | |
1593 | duparg2("dev", *argv); | |
1594 | filter_dev = *argv; | |
1595 | } else if (matches(*argv, "help") == 0) { | |
1596 | usage(); | |
1597 | } else { | |
1598 | fprintf(stderr, | |
1599 | "Command \"%s\" is unknown, try \"ip link help\".\n", | |
1600 | *argv); | |
1601 | exit(-1); | |
1602 | } | |
1603 | ||
1604 | argv++; argc--; | |
1605 | } | |
1606 | ||
1607 | if (filter_dev) { | |
1608 | ctx.ifindex = ll_name_to_index(filter_dev); | |
1609 | if (ctx.ifindex <= 0) { | |
1610 | fprintf(stderr, | |
1611 | "Device \"%s\" does not exist.\n", | |
1612 | filter_dev); | |
1613 | return -1; | |
1614 | } | |
1615 | } | |
1616 | ||
56eeeda9 | 1617 | if (rtnl_statsdump_req_filter(&rth, AF_UNSPEC, filt_mask) < 0) { |
837552b4 RS |
1618 | perror("Cannont send dump request"); |
1619 | return 1; | |
1620 | } | |
1621 | ||
1622 | if (rtnl_dump_filter(&rth, print_af_stats, &ctx) < 0) { | |
1623 | fprintf(stderr, "Dump terminated\n"); | |
1624 | return 1; | |
1625 | } | |
1626 | ||
1627 | return 0; | |
1628 | } | |
1629 | ||
3aa0e51b JP |
1630 | static int iplink_prop_mod(int argc, char **argv, struct iplink_req *req) |
1631 | { | |
1632 | struct rtattr *proplist; | |
1633 | char *dev = NULL; | |
1634 | char *name; | |
1635 | ||
1636 | proplist = addattr_nest(&req->n, sizeof(*req), | |
1637 | IFLA_PROP_LIST | NLA_F_NESTED); | |
1638 | ||
1639 | while (argc > 0) { | |
1640 | if (matches(*argv, "altname") == 0) { | |
1641 | NEXT_ARG(); | |
1642 | if (check_altifname(*argv)) | |
1643 | invarg("not a valid altname", *argv); | |
1644 | name = *argv; | |
1645 | addattr_l(&req->n, sizeof(*req), IFLA_ALT_IFNAME, | |
1646 | name, strlen(name) + 1); | |
1647 | } else if (matches(*argv, "help") == 0) { | |
1648 | usage(); | |
1649 | } else { | |
1650 | if (strcmp(*argv, "dev") == 0) | |
1651 | NEXT_ARG(); | |
1652 | if (dev) | |
1653 | duparg2("dev", *argv); | |
1654 | if (check_altifname(*argv)) | |
1655 | invarg("\"dev\" not a valid ifname", *argv); | |
1656 | dev = *argv; | |
1657 | } | |
1658 | argv++; argc--; | |
1659 | } | |
1660 | addattr_nest_end(&req->n, proplist); | |
1661 | ||
1662 | if (!dev) { | |
1663 | fprintf(stderr, "Not enough of information: \"dev\" argument is required.\n"); | |
1664 | exit(-1); | |
1665 | } | |
1666 | ||
1667 | req->i.ifi_index = ll_name_to_index(dev); | |
1668 | if (!req->i.ifi_index) | |
1669 | return nodev(dev); | |
1670 | ||
1671 | if (rtnl_talk(&rth, &req->n, NULL) < 0) | |
1672 | return -2; | |
1673 | ||
1674 | return 0; | |
1675 | } | |
1676 | ||
1677 | static int iplink_prop(int argc, char **argv) | |
1678 | { | |
1679 | struct iplink_req req = { | |
1680 | .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)), | |
1681 | .n.nlmsg_flags = NLM_F_REQUEST, | |
1682 | .i.ifi_family = preferred_family, | |
1683 | }; | |
1684 | ||
1685 | if (argc <= 0) { | |
1686 | usage(); | |
1687 | exit(-1); | |
1688 | } | |
1689 | ||
1690 | if (matches(*argv, "add") == 0) { | |
1691 | req.n.nlmsg_flags |= NLM_F_EXCL | NLM_F_CREATE | NLM_F_APPEND; | |
1692 | req.n.nlmsg_type = RTM_NEWLINKPROP; | |
1693 | } else if (matches(*argv, "del") == 0) { | |
1694 | req.n.nlmsg_type = RTM_DELLINKPROP; | |
1695 | } else if (matches(*argv, "help") == 0) { | |
1696 | usage(); | |
1697 | } else { | |
1698 | fprintf(stderr, "Operator required\n"); | |
1699 | exit(-1); | |
1700 | } | |
1701 | return iplink_prop_mod(argc - 1, argv + 1, &req); | |
1702 | } | |
1703 | ||
561e650e | 1704 | static void do_help(int argc, char **argv) |
1705 | { | |
1706 | struct link_util *lu = NULL; | |
1707 | ||
1708 | if (argc <= 0) { | |
1709 | usage(); | |
6c5ffb9a | 1710 | return; |
561e650e | 1711 | } |
1712 | ||
1713 | lu = get_link_kind(*argv); | |
561e650e | 1714 | if (lu && lu->print_help) |
1715 | lu->print_help(lu, argc-1, argv+1, stdout); | |
1716 | else | |
1717 | usage(); | |
1718 | } | |
1719 | ||
aba5acdf SH |
1720 | int do_iplink(int argc, char **argv) |
1721 | { | |
6843d36e ZS |
1722 | if (argc < 1) |
1723 | return ipaddr_list_link(0, NULL); | |
1724 | ||
1725 | if (iplink_have_newlink()) { | |
1726 | if (matches(*argv, "add") == 0) | |
1727 | return iplink_modify(RTM_NEWLINK, | |
6c5ffb9a SH |
1728 | NLM_F_CREATE|NLM_F_EXCL, |
1729 | argc-1, argv+1); | |
6843d36e | 1730 | if (matches(*argv, "set") == 0 || |
6c5ffb9a | 1731 | matches(*argv, "change") == 0) |
6843d36e | 1732 | return iplink_modify(RTM_NEWLINK, 0, |
6c5ffb9a | 1733 | argc-1, argv+1); |
6843d36e ZS |
1734 | if (matches(*argv, "replace") == 0) |
1735 | return iplink_modify(RTM_NEWLINK, | |
6c5ffb9a SH |
1736 | NLM_F_CREATE|NLM_F_REPLACE, |
1737 | argc-1, argv+1); | |
6843d36e ZS |
1738 | if (matches(*argv, "delete") == 0) |
1739 | return iplink_modify(RTM_DELLINK, 0, | |
6c5ffb9a | 1740 | argc-1, argv+1); |
6843d36e | 1741 | } else { |
1d934839 | 1742 | #if IPLINK_IOCTL_COMPAT |
6843d36e ZS |
1743 | if (matches(*argv, "set") == 0) |
1744 | return do_set(argc-1, argv+1); | |
1d934839 | 1745 | #endif |
6843d36e | 1746 | } |
6c5ffb9a | 1747 | |
6843d36e | 1748 | if (matches(*argv, "show") == 0 || |
6c5ffb9a SH |
1749 | matches(*argv, "lst") == 0 || |
1750 | matches(*argv, "list") == 0) | |
6843d36e | 1751 | return ipaddr_list_link(argc-1, argv+1); |
6c5ffb9a | 1752 | |
94f1a22a NA |
1753 | if (matches(*argv, "xstats") == 0) |
1754 | return iplink_ifla_xstats(argc-1, argv+1); | |
1755 | ||
837552b4 RS |
1756 | if (matches(*argv, "afstats") == 0) { |
1757 | iplink_afstats(argc-1, argv+1); | |
1758 | return 0; | |
1759 | } | |
1760 | ||
3aa0e51b JP |
1761 | if (matches(*argv, "property") == 0) |
1762 | return iplink_prop(argc-1, argv+1); | |
1763 | ||
6843d36e ZS |
1764 | if (matches(*argv, "help") == 0) { |
1765 | do_help(argc-1, argv+1); | |
1766 | return 0; | |
1767 | } | |
aba5acdf | 1768 | |
6843d36e | 1769 | fprintf(stderr, "Command \"%s\" is unknown, try \"ip link help\".\n", |
6c5ffb9a | 1770 | *argv); |
aba5acdf SH |
1771 | exit(-1); |
1772 | } |