]> git.proxmox.com Git - mirror_iproute2.git/blame - ip/iplink_vxlan.c
projects / mirror_iproute2.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
vxlan: Make id optional when modifying a link
[mirror_iproute2.git] / ip / iplink_vxlan.c
CommitLineData
a5494df2
SH		 1/*
2 * iplink_vxlan.c VXLAN device support
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: Stephen Hemminger <shemminger@vyatta.com
10 */
11
12#include <stdio.h>
13#include <stdlib.h>
14#include <string.h>
15#include <net/if.h>
16#include <linux/ip.h>
17#include <linux/if_link.h>
18#include <arpa/inet.h>
19
20#include "rt_names.h"
21#include "utils.h"
22#include "ip_common.h"
23
01c65995
GM		 24#define VXLAN_ATTRSET(attrs, type) (((attrs) & (1L << (type))) != 0)
25
561e650e 26static void print_explain(FILE *f)
27{
8b471354
PS		 28 fprintf(f,
29 "Usage: ... vxlan id VNI\n"
30 " [ { group | remote } IP_ADDRESS ]\n"
31 " [ local ADDR ]\n"
32 " [ ttl TTL ]\n"
33 " [ tos TOS ]\n"
34 " [ flowlabel LABEL ]\n"
35 " [ dev PHYS_DEV ]\n"
36 " [ dstport PORT ]\n"
37 " [ srcport MIN MAX ]\n"
38 " [ [no]learning ]\n"
39 " [ [no]proxy ]\n"
40 " [ [no]rsc ]\n"
41 " [ [no]l2miss ]\n"
42 " [ [no]l3miss ]\n"
43 " [ ageing SECONDS ]\n"
44 " [ maxaddress NUMBER ]\n"
45 " [ [no]udpcsum ]\n"
46 " [ [no]udp6zerocsumtx ]\n"
47 " [ [no]udp6zerocsumrx ]\n"
48 " [ [no]remcsumtx ] [ [no]remcsumrx ]\n"
49 " [ [no]external ] [ gbp ] [ gpe ]\n"
50 "\n"
51 "Where: VNI := 0-16777215\n"
52 " ADDR := { IP_ADDRESS | any }\n"
53 " TOS := { NUMBER | inherit }\n"
54 " TTL := { 1..255 | inherit }\n"
55 " LABEL := 0-1048575\n"
56 );
561e650e 57}
58
a5494df2
SH		 59static void explain(void)
60{
561e650e 61 print_explain(stderr);
a5494df2
SH		 62}
63
01c65995
GM		 64static void check_duparg(__u64 *attrs, int type, const char *key,
65 const char *argv)
66{
67 if (!VXLAN_ATTRSET(*attrs, type)) {
68 *attrs |= (1L << type);
69 return;
70 }
71 duparg2(key, argv);
72}
73
a5494df2
SH		 74static int vxlan_parse_opt(struct link_util *lu, int argc, char **argv,
75 struct nlmsghdr *n)
76{
77 __u32 vni = 0;
a5494df2 78 __u32 gaddr = 0;
7cfa3802 79 __u32 daddr = 0;
aa574cd6
WC		 80 struct in6_addr gaddr6 = IN6ADDR_ANY_INIT;
81 struct in6_addr daddr6 = IN6ADDR_ANY_INIT;
a5494df2 82 __u8 learning = 1;
514cdfb4 83 __u16 dstport = 0;
e79c327e 84 __u8 metadata = 0;
01c65995
GM		 85 __u64 attrs = 0;
86 bool set_op = (n->nlmsg_type == RTM_NEWLINK &&
87 !(n->nlmsg_flags & NLM_F_CREATE));
a5494df2
SH		 88
89 while (argc > 0) {
90 if (!matches(*argv, "id") ||
91 !matches(*argv, "vni")) {
01c65995
GM		 92 /* We will add ID attribute outside of the loop since we
93 * need to consider metadata information as well.
94 */
a5494df2 95 NEXT_ARG();
01c65995 96 check_duparg(&attrs, IFLA_VXLAN_ID, "id", *argv);
a5494df2
SH		 97 if (get_u32(&vni, *argv, 0) ||
98 vni >= 1u << 24)
99 invarg("invalid id", *argv);
a5494df2 100 } else if (!matches(*argv, "group")) {
01c65995
GM		 101 if (daddr || !IN6_IS_ADDR_UNSPECIFIED(&daddr6)) {
102 fprintf(stderr, "vxlan: both group and remote");
103 fprintf(stderr, " cannot be specified\n");
104 return -1;
105 }
a5494df2 106 NEXT_ARG();
01c65995 107 check_duparg(&attrs, IFLA_VXLAN_GROUP, "group", *argv);
aa574cd6
WC		 108 if (!inet_get_addr(*argv, &gaddr, &gaddr6)) {
109 fprintf(stderr, "Invalid address \"%s\"\n", *argv);
110 return -1;
111 }
112 if (!IN6_IS_ADDR_MULTICAST(&gaddr6) && !IN_MULTICAST(ntohl(gaddr)))
7cfa3802
AW		 113 invarg("invalid group address", *argv);
114 } else if (!matches(*argv, "remote")) {
01c65995
GM		 115 if (gaddr || !IN6_IS_ADDR_UNSPECIFIED(&gaddr6)) {
116 fprintf(stderr, "vxlan: both group and remote");
117 fprintf(stderr, " cannot be specified\n");
118 return -1;
119 }
7cfa3802 120 NEXT_ARG();
01c65995 121 check_duparg(&attrs, IFLA_VXLAN_GROUP, "remote", *argv);
aa574cd6
WC		 122 if (!inet_get_addr(*argv, &daddr, &daddr6)) {
123 fprintf(stderr, "Invalid address \"%s\"\n", *argv);
124 return -1;
125 }
126 if (IN6_IS_ADDR_MULTICAST(&daddr6) || IN_MULTICAST(ntohl(daddr)))
7cfa3802 127 invarg("invalid remote address", *argv);
a5494df2 128 } else if (!matches(*argv, "local")) {
01c65995
GM		 129 __u32 saddr = 0;
130 struct in6_addr saddr6 = IN6ADDR_ANY_INIT;
131
a5494df2 132 NEXT_ARG();
01c65995 133 check_duparg(&attrs, IFLA_VXLAN_LOCAL, "local", *argv);
aa574cd6
WC		 134 if (strcmp(*argv, "any")) {
135 if (!inet_get_addr(*argv, &saddr, &saddr6)) {
136 fprintf(stderr, "Invalid address \"%s\"\n", *argv);
137 return -1;
138 }
139 }
140
141 if (IN_MULTICAST(ntohl(saddr)) || IN6_IS_ADDR_MULTICAST(&saddr6))
a5494df2 142 invarg("invalid local address", *argv);
01c65995
GM		 143
144 if (saddr)
145 addattr_l(n, 1024, IFLA_VXLAN_LOCAL, &saddr, 4);
146 else if (!IN6_IS_ADDR_UNSPECIFIED(&saddr6))
147 addattr_l(n, 1024, IFLA_VXLAN_LOCAL6, &saddr6,
148 sizeof(struct in6_addr));
a5494df2 149 } else if (!matches(*argv, "dev")) {
01c65995
GM		 150 unsigned int link;
151
a5494df2 152 NEXT_ARG();
01c65995 153 check_duparg(&attrs, IFLA_VXLAN_LINK, "dev", *argv);
a5494df2 154 link = if_nametoindex(*argv);
0cb6bb51
CW		 155 if (link == 0) {
156 fprintf(stderr, "Cannot find device \"%s\"\n",
157 *argv);
a5494df2 158 exit(-1);
0cb6bb51 159 }
01c65995 160 addattr32(n, 1024, IFLA_VXLAN_LINK, link);
a5494df2
SH		 161 } else if (!matches(*argv, "ttl") ||
162 !matches(*argv, "hoplimit")) {
56f5daac 163 unsigned int uval;
01c65995 164 __u8 ttl = 0;
a5494df2
SH		 165
166 NEXT_ARG();
01c65995 167 check_duparg(&attrs, IFLA_VXLAN_TTL, "ttl", *argv);
a5494df2
SH		 168 if (strcmp(*argv, "inherit") != 0) {
169 if (get_unsigned(&uval, *argv, 0))
2d596120 170 invarg("invalid TTL", *argv);
a5494df2 171 if (uval > 255)
2d596120 172 invarg("TTL must be <= 255", *argv);
a5494df2
SH		 173 ttl = uval;
174 }
01c65995 175 addattr8(n, 1024, IFLA_VXLAN_TTL, ttl);
a5494df2
SH		 176 } else if (!matches(*argv, "tos") ||
177 !matches(*argv, "dsfield")) {
178 __u32 uval;
01c65995 179 __u8 tos;
a5494df2
SH		 180
181 NEXT_ARG();
01c65995 182 check_duparg(&attrs, IFLA_VXLAN_TOS, "tos", *argv);
a5494df2
SH		 183 if (strcmp(*argv, "inherit") != 0) {
184 if (rtnl_dsfield_a2n(&uval, *argv))
185 invarg("bad TOS value", *argv);
186 tos = uval;
187 } else
188 tos = 1;
01c65995 189 addattr8(n, 1024, IFLA_VXLAN_TOS, tos);
f8eb79a6
DB		 190 } else if (!matches(*argv, "label") ||
191 !matches(*argv, "flowlabel")) {
192 __u32 uval;
193
194 NEXT_ARG();
01c65995
GM		 195 check_duparg(&attrs, IFLA_VXLAN_LABEL, "flowlabel",
196 *argv);
f8eb79a6
DB		 197 if (get_u32(&uval, *argv, 0) ||
198 (uval & ~LABEL_MAX_MASK))
199 invarg("invalid flowlabel", *argv);
01c65995 200 addattr32(n, 1024, IFLA_VXLAN_LABEL, htonl(uval));
a5494df2 201 } else if (!matches(*argv, "ageing")) {
01c65995
GM		 202 __u32 age;
203
a5494df2 204 NEXT_ARG();
01c65995
GM		 205 check_duparg(&attrs, IFLA_VXLAN_AGEING, "ageing",
206 *argv);
a5494df2 207 if (strcmp(*argv, "none") == 0)
01c65995 208 age = 0;
a5494df2 209 else if (get_u32(&age, *argv, 0))
2d596120 210 invarg("ageing timer", *argv);
01c65995 211 addattr32(n, 1024, IFLA_VXLAN_AGEING, age);
a5494df2 212 } else if (!matches(*argv, "maxaddress")) {
01c65995
GM		 213 __u32 maxaddr;
214
a5494df2 215 NEXT_ARG();
01c65995
GM		 216 check_duparg(&attrs, IFLA_VXLAN_LIMIT,
217 "maxaddress", *argv);
a5494df2
SH		 218 if (strcmp(*argv, "unlimited") == 0)
219 maxaddr = 0;
220 else if (get_u32(&maxaddr, *argv, 0))
2d596120 221 invarg("max addresses", *argv);
01c65995 222 addattr32(n, 1024, IFLA_VXLAN_LIMIT, maxaddr);
514cdfb4
SH		 223 } else if (!matches(*argv, "port") ||
224 !matches(*argv, "srcport")) {
01c65995
GM		 225 struct ifla_vxlan_port_range range = { 0, 0 };
226
2d596120 227 NEXT_ARG();
01c65995
GM		 228 check_duparg(&attrs, IFLA_VXLAN_PORT_RANGE, "srcport",
229 *argv);
9f7401fa 230 if (get_be16(&range.low, *argv, 0))
2d596120
SH		 231 invarg("min port", *argv);
232 NEXT_ARG();
9f7401fa 233 if (get_be16(&range.high, *argv, 0))
2d596120 234 invarg("max port", *argv);
01c65995
GM		 235 if (range.low || range.high) {
236 addattr_l(n, 1024, IFLA_VXLAN_PORT_RANGE,
237 &range, sizeof(range));
238 }
56f5daac 239 } else if (!matches(*argv, "dstport")) {
514cdfb4 240 NEXT_ARG();
01c65995 241 check_duparg(&attrs, IFLA_VXLAN_PORT, "dstport", *argv);
514cdfb4
SH		 242 if (get_u16(&dstport, *argv, 0))
243 invarg("dst port", *argv);
a5494df2 244 } else if (!matches(*argv, "nolearning")) {
01c65995 245 check_duparg(&attrs, IFLA_VXLAN_LEARNING, *argv, *argv);
a5494df2
SH		 246 learning = 0;
247 } else if (!matches(*argv, "learning")) {
01c65995 248 check_duparg(&attrs, IFLA_VXLAN_LEARNING, *argv, *argv);
a5494df2 249 learning = 1;
1556e29d 250 } else if (!matches(*argv, "noproxy")) {
01c65995
GM		 251 check_duparg(&attrs, IFLA_VXLAN_PROXY, *argv, *argv);
252 addattr8(n, 1024, IFLA_VXLAN_PROXY, 0);
1556e29d 253 } else if (!matches(*argv, "proxy")) {
01c65995
GM		 254 check_duparg(&attrs, IFLA_VXLAN_PROXY, *argv, *argv);
255 addattr8(n, 1024, IFLA_VXLAN_PROXY, 1);
1556e29d 256 } else if (!matches(*argv, "norsc")) {
01c65995
GM		 257 check_duparg(&attrs, IFLA_VXLAN_RSC, *argv, *argv);
258 addattr8(n, 1024, IFLA_VXLAN_RSC, 0);
1556e29d 259 } else if (!matches(*argv, "rsc")) {
01c65995
GM		 260 check_duparg(&attrs, IFLA_VXLAN_RSC, *argv, *argv);
261 addattr8(n, 1024, IFLA_VXLAN_RSC, 1);
1556e29d 262 } else if (!matches(*argv, "nol2miss")) {
01c65995
GM		 263 check_duparg(&attrs, IFLA_VXLAN_L2MISS, *argv, *argv);
264 addattr8(n, 1024, IFLA_VXLAN_L2MISS, 0);
1556e29d 265 } else if (!matches(*argv, "l2miss")) {
01c65995
GM		 266 check_duparg(&attrs, IFLA_VXLAN_L2MISS, *argv, *argv);
267 addattr8(n, 1024, IFLA_VXLAN_L2MISS, 1);
1556e29d 268 } else if (!matches(*argv, "nol3miss")) {
01c65995
GM		 269 check_duparg(&attrs, IFLA_VXLAN_L3MISS, *argv, *argv);
270 addattr8(n, 1024, IFLA_VXLAN_L3MISS, 0);
1556e29d 271 } else if (!matches(*argv, "l3miss")) {
01c65995
GM		 272 check_duparg(&attrs, IFLA_VXLAN_L3MISS, *argv, *argv);
273 addattr8(n, 1024, IFLA_VXLAN_L3MISS, 1);
666cdc50 274 } else if (!matches(*argv, "udpcsum")) {
01c65995
GM		 275 check_duparg(&attrs, IFLA_VXLAN_UDP_CSUM, *argv, *argv);
276 addattr8(n, 1024, IFLA_VXLAN_UDP_CSUM, 1);
666cdc50 277 } else if (!matches(*argv, "noudpcsum")) {
01c65995
GM		 278 check_duparg(&attrs, IFLA_VXLAN_UDP_CSUM, *argv, *argv);
279 addattr8(n, 1024, IFLA_VXLAN_UDP_CSUM, 0);
666cdc50 280 } else if (!matches(*argv, "udp6zerocsumtx")) {
01c65995
GM		 281 check_duparg(&attrs, IFLA_VXLAN_UDP_ZERO_CSUM6_TX,
282 *argv, *argv);
283 addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_TX, 1);
666cdc50 284 } else if (!matches(*argv, "noudp6zerocsumtx")) {
01c65995
GM		 285 check_duparg(&attrs, IFLA_VXLAN_UDP_ZERO_CSUM6_TX,
286 *argv, *argv);
287 addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_TX, 0);
666cdc50 288 } else if (!matches(*argv, "udp6zerocsumrx")) {
01c65995
GM		 289 check_duparg(&attrs, IFLA_VXLAN_UDP_ZERO_CSUM6_RX,
290 *argv, *argv);
291 addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_RX, 1);
666cdc50 292 } else if (!matches(*argv, "noudp6zerocsumrx")) {
01c65995
GM		 293 check_duparg(&attrs, IFLA_VXLAN_UDP_ZERO_CSUM6_RX,
294 *argv, *argv);
295 addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_RX, 0);
35f59d86 296 } else if (!matches(*argv, "remcsumtx")) {
01c65995
GM		 297 check_duparg(&attrs, IFLA_VXLAN_REMCSUM_TX,
298 *argv, *argv);
299 addattr8(n, 1024, IFLA_VXLAN_REMCSUM_TX, 1);
35f59d86 300 } else if (!matches(*argv, "noremcsumtx")) {
01c65995
GM		 301 check_duparg(&attrs, IFLA_VXLAN_REMCSUM_TX,
302 *argv, *argv);
303 addattr8(n, 1024, IFLA_VXLAN_REMCSUM_TX, 0);
35f59d86 304 } else if (!matches(*argv, "remcsumrx")) {
01c65995
GM		 305 check_duparg(&attrs, IFLA_VXLAN_REMCSUM_RX,
306 *argv, *argv);
307 addattr8(n, 1024, IFLA_VXLAN_REMCSUM_RX, 1);
35f59d86 308 } else if (!matches(*argv, "noremcsumrx")) {
01c65995
GM		 309 check_duparg(&attrs, IFLA_VXLAN_REMCSUM_RX,
310 *argv, *argv);
311 addattr8(n, 1024, IFLA_VXLAN_REMCSUM_RX, 0);
e79c327e 312 } else if (!matches(*argv, "external")) {
01c65995
GM		 313 check_duparg(&attrs, IFLA_VXLAN_COLLECT_METADATA,
314 *argv, *argv);
e79c327e 315 metadata = 1;
44df4597 316 learning = 0;
01c65995
GM		 317 /* we will add LEARNING attribute outside of the loop */
318 addattr8(n, 1024, IFLA_VXLAN_COLLECT_METADATA,
319 metadata);
e79c327e 320 } else if (!matches(*argv, "noexternal")) {
01c65995
GM		 321 check_duparg(&attrs, IFLA_VXLAN_COLLECT_METADATA,
322 *argv, *argv);
e79c327e 323 metadata = 0;
01c65995
GM		 324 addattr8(n, 1024, IFLA_VXLAN_COLLECT_METADATA,
325 metadata);
2eb90dc7 326 } else if (!matches(*argv, "gbp")) {
01c65995
GM		 327 check_duparg(&attrs, IFLA_VXLAN_GBP, *argv, *argv);
328 addattr_l(n, 1024, IFLA_VXLAN_GBP, NULL, 0);
346410bd 329 } else if (!matches(*argv, "gpe")) {
01c65995
GM		 330 check_duparg(&attrs, IFLA_VXLAN_GPE, *argv, *argv);
331 addattr_l(n, 1024, IFLA_VXLAN_GPE, NULL, 0);
a5494df2
SH		 332 } else if (matches(*argv, "help") == 0) {
333 explain();
334 return -1;
335 } else {
14645ec2 336 fprintf(stderr, "vxlan: unknown command \"%s\"?\n", *argv);
a5494df2
SH		 337 explain();
338 return -1;
339 }
340 argc--, argv++;
341 }
2a126a85 342
01c65995 343 if (metadata && VXLAN_ATTRSET(attrs, IFLA_VXLAN_ID)) {
e79c327e
PA		 344 fprintf(stderr, "vxlan: both 'external' and vni cannot be specified\n");
345 return -1;
346 }
347
b6fae788 348 if (!metadata && !VXLAN_ATTRSET(attrs, IFLA_VXLAN_ID) && !set_op) {
a5494df2
SH		 349 fprintf(stderr, "vxlan: missing virtual network identifier\n");
350 return -1;
351 }
514cdfb4 352
01c65995
GM		 353 if ((gaddr || !IN6_IS_ADDR_UNSPECIFIED(&gaddr6)) &&
354 !VXLAN_ATTRSET(attrs, IFLA_VXLAN_LINK)) {
e2cfe550
JB		 355 fprintf(stderr, "vxlan: 'group' requires 'dev' to be specified\n");
356 return -1;
357 }
358
01c65995
GM		 359 if (!VXLAN_ATTRSET(attrs, IFLA_VXLAN_PORT) &&
360 VXLAN_ATTRSET(attrs, IFLA_VXLAN_GPE)) {
346410bd 361 dstport = 4790;
01c65995 362 } else if (!VXLAN_ATTRSET(attrs, IFLA_VXLAN_PORT) && !set_op) {
514cdfb4
SH		 363 fprintf(stderr, "vxlan: destination port not specified\n"
364 "Will use Linux kernel default (non-standard value)\n");
0612519e 365 fprintf(stderr,
514cdfb4
SH		 366 "Use 'dstport 4789' to get the IANA assigned value\n"
367 "Use 'dstport 0' to get default and quiet this message\n");
368 }
369
b6fae788
RS		 370 if (VXLAN_ATTRSET(attrs, IFLA_VXLAN_ID))
371 addattr32(n, 1024, IFLA_VXLAN_ID, vni);
b64da5a5
SH		 372 if (gaddr)
373 addattr_l(n, 1024, IFLA_VXLAN_GROUP, &gaddr, 4);
7cfa3802
AW		 374 else if (daddr)
375 addattr_l(n, 1024, IFLA_VXLAN_GROUP, &daddr, 4);
97d564b9 376 else if (!IN6_IS_ADDR_UNSPECIFIED(&gaddr6))
aa574cd6 377 addattr_l(n, 1024, IFLA_VXLAN_GROUP6, &gaddr6, sizeof(struct in6_addr));
1f4c51c0 378 else if (!IN6_IS_ADDR_UNSPECIFIED(&daddr6))
aa574cd6 379 addattr_l(n, 1024, IFLA_VXLAN_GROUP6, &daddr6, sizeof(struct in6_addr));
97d564b9
VB		 380 else if (preferred_family == AF_INET)
381 addattr_l(n, 1024, IFLA_VXLAN_GROUP, &daddr, 4);
382 else if (preferred_family == AF_INET6)
383 addattr_l(n, 1024, IFLA_VXLAN_GROUP6, &daddr6, sizeof(struct in6_addr));
aa574cd6 384
01c65995
GM		 385 if (!set_op || VXLAN_ATTRSET(attrs, IFLA_VXLAN_LEARNING))
386 addattr8(n, 1024, IFLA_VXLAN_LEARNING, learning);
514cdfb4 387
514cdfb4
SH		 388 if (dstport)
389 addattr16(n, 1024, IFLA_VXLAN_PORT, htons(dstport));
a5494df2
SH		 390
391 return 0;
392}
393
394static void vxlan_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
395{
396 __u32 vni;
56f5daac 397 unsigned int link;
2d596120
SH		 398 __u8 tos;
399 __u32 maxaddr;
a5494df2
SH		 400 char s2[64];
401
402 if (!tb)
403 return;
404
405 if (!tb[IFLA_VXLAN_ID] ||
406 RTA_PAYLOAD(tb[IFLA_VXLAN_ID]) < sizeof(__u32))
407 return;
408
409 vni = rta_getattr_u32(tb[IFLA_VXLAN_ID]);
3b98d9b8 410 print_uint(PRINT_ANY, "id", "id %u ", vni);
a5494df2
SH		 411
412 if (tb[IFLA_VXLAN_GROUP]) {
b64da5a5 413 __be32 addr = rta_getattr_u32(tb[IFLA_VXLAN_GROUP]);
56f5daac 414
7cfa3802
AW		 415 if (addr) {
416 if (IN_MULTICAST(ntohl(addr)))
3b98d9b8
JF		 417 print_string(PRINT_ANY,
418 "group",
419 "group %s ",
420 format_host(AF_INET, 4, &addr));
7cfa3802 421 else
3b98d9b8
JF		 422 print_string(PRINT_ANY,
423 "remote",
424 "remote %s ",
425 format_host(AF_INET, 4, &addr));
7cfa3802 426 }
aa574cd6
WC		 427 } else if (tb[IFLA_VXLAN_GROUP6]) {
428 struct in6_addr addr;
56f5daac 429
aa574cd6 430 memcpy(&addr, RTA_DATA(tb[IFLA_VXLAN_GROUP6]), sizeof(struct in6_addr));
1f4c51c0 431 if (!IN6_IS_ADDR_UNSPECIFIED(&addr)) {
aa574cd6 432 if (IN6_IS_ADDR_MULTICAST(&addr))
3b98d9b8
JF		 433 print_string(PRINT_ANY,
434 "group6",
435 "group %s ",
436 format_host(AF_INET6,
437 sizeof(struct in6_addr),
438 &addr));
aa574cd6 439 else
3b98d9b8
JF		 440 print_string(PRINT_ANY,
441 "remote6",
442 "remote %s ",
443 format_host(AF_INET6,
444 sizeof(struct in6_addr),
445 &addr));
aa574cd6 446 }
a5494df2
SH		 447 }
448
449 if (tb[IFLA_VXLAN_LOCAL]) {
b64da5a5 450 __be32 addr = rta_getattr_u32(tb[IFLA_VXLAN_LOCAL]);
56f5daac 451
a5494df2 452 if (addr)
3b98d9b8
JF		 453 print_string(PRINT_ANY,
454 "local",
455 "local %s ",
456 format_host(AF_INET, 4, &addr));
aa574cd6
WC		 457 } else if (tb[IFLA_VXLAN_LOCAL6]) {
458 struct in6_addr addr;
56f5daac 459
aa574cd6 460 memcpy(&addr, RTA_DATA(tb[IFLA_VXLAN_LOCAL6]), sizeof(struct in6_addr));
1f4c51c0 461 if (!IN6_IS_ADDR_UNSPECIFIED(&addr))
3b98d9b8
JF		 462 print_string(PRINT_ANY,
463 "local6",
464 "local %s ",
465 format_host(AF_INET6,
466 sizeof(struct in6_addr),
467 &addr));
a5494df2
SH		 468 }
469
470 if (tb[IFLA_VXLAN_LINK] &&
471 (link = rta_getattr_u32(tb[IFLA_VXLAN_LINK]))) {
472 const char *n = if_indextoname(link, s2);
473
474 if (n)
3b98d9b8 475 print_string(PRINT_ANY, "link", "dev %s ", n);
a5494df2 476 else
3b98d9b8 477 print_uint(PRINT_ANY, "link_index", "dev %u ", link);
a5494df2
SH		 478 }
479
2d596120
SH		 480 if (tb[IFLA_VXLAN_PORT_RANGE]) {
481 const struct ifla_vxlan_port_range *r
482 = RTA_DATA(tb[IFLA_VXLAN_PORT_RANGE]);
3b98d9b8
JF		 483 if (is_json_context()) {
484 open_json_object("port_range");
485 print_uint(PRINT_JSON, "low", NULL, ntohs(r->low));
486 print_uint(PRINT_JSON, "high", NULL, ntohs(r->high));
487 close_json_object();
488 } else {
489 fprintf(f, "srcport %u %u ",
490 ntohs(r->low), ntohs(r->high));
491 }
1556e29d 492 }
2d596120 493
514cdfb4 494 if (tb[IFLA_VXLAN_PORT])
3b98d9b8
JF		 495 print_uint(PRINT_ANY,
496 "port",
497 "dstport %u ",
498 rta_getattr_be16(tb[IFLA_VXLAN_PORT]));
514cdfb4 499
3b98d9b8
JF		 500 if (tb[IFLA_VXLAN_LEARNING]) {
501 __u8 learning = rta_getattr_u8(tb[IFLA_VXLAN_LEARNING]);
502
503 print_bool(PRINT_JSON, "learning", NULL, learning);
504 if (!learning)
505 print_bool(PRINT_FP, NULL, "nolearning ", true);
506 }
1556e29d
DS		 507
508 if (tb[IFLA_VXLAN_PROXY] && rta_getattr_u8(tb[IFLA_VXLAN_PROXY]))
3b98d9b8 509 print_bool(PRINT_ANY, "proxy", "proxy ", true);
1556e29d
DS		 510
511 if (tb[IFLA_VXLAN_RSC] && rta_getattr_u8(tb[IFLA_VXLAN_RSC]))
3b98d9b8 512 print_bool(PRINT_ANY, "rsc", "rsc ", true);
1556e29d
DS		 513
514 if (tb[IFLA_VXLAN_L2MISS] && rta_getattr_u8(tb[IFLA_VXLAN_L2MISS]))
3b98d9b8 515 print_bool(PRINT_ANY, "l2miss", "l2miss ", true);
1556e29d
DS		 516
517 if (tb[IFLA_VXLAN_L3MISS] && rta_getattr_u8(tb[IFLA_VXLAN_L3MISS]))
3b98d9b8 518 print_bool(PRINT_ANY, "l3miss", "l3miss ", true);
1556e29d 519
2d596120
SH		 520 if (tb[IFLA_VXLAN_TOS] &&
521 (tos = rta_getattr_u8(tb[IFLA_VXLAN_TOS]))) {
3b98d9b8
JF		 522 if (is_json_context()) {
523 print_0xhex(PRINT_JSON, "tos", "%#x", tos);
524 } else {
525 if (tos == 1)
526 fprintf(f, "tos %s ", "inherit");
527 else
528 fprintf(f, "tos %#x ", tos);
529 }
a5494df2
SH		 530 }
531
532 if (tb[IFLA_VXLAN_TTL]) {
533 __u8 ttl = rta_getattr_u8(tb[IFLA_VXLAN_TTL]);
56f5daac 534
a5494df2 535 if (ttl)
3b98d9b8
JF		 536 print_int(PRINT_ANY, "ttl", "ttl %d ", ttl);
537 else
538 print_int(PRINT_JSON, "ttl", NULL, ttl);
a5494df2
SH		 539 }
540
f8eb79a6
DB		 541 if (tb[IFLA_VXLAN_LABEL]) {
542 __u32 label = rta_getattr_u32(tb[IFLA_VXLAN_LABEL]);
543
544 if (label)
3b98d9b8
JF		 545 print_0xhex(PRINT_ANY,
546 "label",
547 "flowlabel %#x ",
548 ntohl(label));
f8eb79a6
DB		 549 }
550
a5494df2
SH		 551 if (tb[IFLA_VXLAN_AGEING]) {
552 __u32 age = rta_getattr_u32(tb[IFLA_VXLAN_AGEING]);
56f5daac 553
a5494df2 554 if (age == 0)
3b98d9b8 555 print_uint(PRINT_ANY, "ageing", "ageing none ", 0);
a5494df2 556 else
3b98d9b8 557 print_uint(PRINT_ANY, "ageing", "ageing %u ", age);
a5494df2 558 }
2d596120
SH		 559
560 if (tb[IFLA_VXLAN_LIMIT] &&
6ad5399c 561 ((maxaddr = rta_getattr_u32(tb[IFLA_VXLAN_LIMIT])) != 0))
3b98d9b8 562 print_uint(PRINT_ANY, "limit", "maxaddr %u ", maxaddr);
666cdc50 563
af325398 564 if (tb[IFLA_VXLAN_UDP_CSUM]) {
3b98d9b8
JF		 565 __u8 udp_csum = rta_getattr_u8(tb[IFLA_VXLAN_UDP_CSUM]);
566
567 if (is_json_context()) {
568 print_bool(PRINT_ANY, "udp_csum", NULL, udp_csum);
569 } else {
570 if (!udp_csum)
571 fputs("no", f);
572 fputs("udpcsum ", f);
573 }
af325398 574 }
666cdc50 575
af325398 576 if (tb[IFLA_VXLAN_UDP_ZERO_CSUM6_TX]) {
3b98d9b8
JF		 577 __u8 csum6 = rta_getattr_u8(tb[IFLA_VXLAN_UDP_ZERO_CSUM6_TX]);
578
579 if (is_json_context()) {
580 print_bool(PRINT_ANY,
581 "udp_zero_csum6_tx", NULL, csum6);
582 } else {
583 if (!csum6)
584 fputs("no", f);
585 fputs("udp6zerocsumtx ", f);
586 }
af325398 587 }
666cdc50 588
af325398 589 if (tb[IFLA_VXLAN_UDP_ZERO_CSUM6_RX]) {
3b98d9b8
JF		 590 __u8 csum6 = rta_getattr_u8(tb[IFLA_VXLAN_UDP_ZERO_CSUM6_RX]);
591
592 if (is_json_context()) {
593 print_bool(PRINT_ANY,
594 "udp_zero_csum6_rx",
595 NULL,
596 csum6);
597 } else {
598 if (!csum6)
599 fputs("no", f);
600 fputs("udp6zerocsumrx ", f);
601 }
af325398 602 }
2eb90dc7 603
35f59d86
TH		 604 if (tb[IFLA_VXLAN_REMCSUM_TX] &&
605 rta_getattr_u8(tb[IFLA_VXLAN_REMCSUM_TX]))
3b98d9b8 606 print_bool(PRINT_ANY, "remcsum_tx", "remcsumtx ", true);
35f59d86
TH		 607
608 if (tb[IFLA_VXLAN_REMCSUM_RX] &&
609 rta_getattr_u8(tb[IFLA_VXLAN_REMCSUM_RX]))
3b98d9b8 610 print_bool(PRINT_ANY, "remcsum_rx", "remcsumrx ", true);
35f59d86 611
e79c327e
PA		 612 if (tb[IFLA_VXLAN_COLLECT_METADATA] &&
613 rta_getattr_u8(tb[IFLA_VXLAN_COLLECT_METADATA]))
3b98d9b8 614 print_bool(PRINT_ANY, "collect_metadata", "external ", true);
e79c327e 615
2eb90dc7 616 if (tb[IFLA_VXLAN_GBP])
3b98d9b8 617 print_bool(PRINT_ANY, "gbp", "gbp ", true);
346410bd 618 if (tb[IFLA_VXLAN_GPE])
3b98d9b8 619 print_bool(PRINT_ANY, "gpe", "gpe ", true);
a5494df2
SH		 620}
621
561e650e 622static void vxlan_print_help(struct link_util *lu, int argc, char **argv,
3b98d9b8 623 FILE *f)
561e650e 624{
625 print_explain(f);
626}
627
a5494df2
SH		 628struct link_util vxlan_link_util = {
629 .id = "vxlan",
630 .maxattr = IFLA_VXLAN_MAX,
631 .parse_opt = vxlan_parse_opt,
632 .print_opt = vxlan_print_opt,
561e650e 633 .print_help = vxlan_print_help,
a5494df2 634};
Upstream mirror of iproute2