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Merge branch 'unify-tunnel-endpoint-parsing' into next
[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{
9cc173d4 77 inet_prefix saddr, daddr;
a5494df2 78 __u32 vni = 0;
a5494df2 79 __u8 learning = 1;
514cdfb4 80 __u16 dstport = 0;
e79c327e 81 __u8 metadata = 0;
01c65995
GM		 82 __u64 attrs = 0;
83 bool set_op = (n->nlmsg_type == RTM_NEWLINK &&
84 !(n->nlmsg_flags & NLM_F_CREATE));
a5494df2 85
1e9b8072 86 saddr.family = daddr.family = AF_UNSPEC;
9cc173d4
SP		 87
88 inet_prefix_reset(&saddr);
89 inet_prefix_reset(&daddr);
1e9b8072 90
a5494df2
SH		 91 while (argc > 0) {
92 if (!matches(*argv, "id") ||
93 !matches(*argv, "vni")) {
01c65995
GM		 94 /* We will add ID attribute outside of the loop since we
95 * need to consider metadata information as well.
96 */
a5494df2 97 NEXT_ARG();
01c65995 98 check_duparg(&attrs, IFLA_VXLAN_ID, "id", *argv);
a5494df2
SH		 99 if (get_u32(&vni, *argv, 0) ||
100 vni >= 1u << 24)
101 invarg("invalid id", *argv);
a5494df2 102 } else if (!matches(*argv, "group")) {
1e9b8072 103 if (is_addrtype_inet_not_multi(&daddr)) {
01c65995
GM		 104 fprintf(stderr, "vxlan: both group and remote");
105 fprintf(stderr, " cannot be specified\n");
106 return -1;
107 }
a5494df2 108 NEXT_ARG();
01c65995 109 check_duparg(&attrs, IFLA_VXLAN_GROUP, "group", *argv);
1e9b8072
SP		 110 get_addr(&daddr, *argv, saddr.family);
111 if (!is_addrtype_inet_multi(&daddr))
7cfa3802
AW		 112 invarg("invalid group address", *argv);
113 } else if (!matches(*argv, "remote")) {
1e9b8072 114 if (is_addrtype_inet_multi(&daddr)) {
01c65995
GM		 115 fprintf(stderr, "vxlan: both group and remote");
116 fprintf(stderr, " cannot be specified\n");
117 return -1;
118 }
7cfa3802 119 NEXT_ARG();
01c65995 120 check_duparg(&attrs, IFLA_VXLAN_GROUP, "remote", *argv);
1e9b8072
SP		 121 get_addr(&daddr, *argv, saddr.family);
122 if (!is_addrtype_inet_not_multi(&daddr))
7cfa3802 123 invarg("invalid remote address", *argv);
a5494df2
SH		 124 } else if (!matches(*argv, "local")) {
125 NEXT_ARG();
01c65995 126 check_duparg(&attrs, IFLA_VXLAN_LOCAL, "local", *argv);
1e9b8072
SP		 127 get_addr(&saddr, *argv, daddr.family);
128 if (!is_addrtype_inet_not_multi(&saddr))
a5494df2
SH		 129 invarg("invalid local address", *argv);
130 } else if (!matches(*argv, "dev")) {
01c65995
GM		 131 unsigned int link;
132
a5494df2 133 NEXT_ARG();
01c65995 134 check_duparg(&attrs, IFLA_VXLAN_LINK, "dev", *argv);
7a14358b 135 link = ll_name_to_index(*argv);
0cb6bb51
CW		 136 if (link == 0) {
137 fprintf(stderr, "Cannot find device \"%s\"\n",
138 *argv);
a5494df2 139 exit(-1);
0cb6bb51 140 }
01c65995 141 addattr32(n, 1024, IFLA_VXLAN_LINK, link);
a5494df2
SH		 142 } else if (!matches(*argv, "ttl") ||
143 !matches(*argv, "hoplimit")) {
56f5daac 144 unsigned int uval;
01c65995 145 __u8 ttl = 0;
a5494df2
SH		 146
147 NEXT_ARG();
01c65995 148 check_duparg(&attrs, IFLA_VXLAN_TTL, "ttl", *argv);
a5494df2
SH		 149 if (strcmp(*argv, "inherit") != 0) {
150 if (get_unsigned(&uval, *argv, 0))
2d596120 151 invarg("invalid TTL", *argv);
a5494df2 152 if (uval > 255)
2d596120 153 invarg("TTL must be <= 255", *argv);
a5494df2
SH		 154 ttl = uval;
155 }
01c65995 156 addattr8(n, 1024, IFLA_VXLAN_TTL, ttl);
a5494df2
SH		 157 } else if (!matches(*argv, "tos") ||
158 !matches(*argv, "dsfield")) {
159 __u32 uval;
01c65995 160 __u8 tos;
a5494df2
SH		 161
162 NEXT_ARG();
01c65995 163 check_duparg(&attrs, IFLA_VXLAN_TOS, "tos", *argv);
a5494df2
SH		 164 if (strcmp(*argv, "inherit") != 0) {
165 if (rtnl_dsfield_a2n(&uval, *argv))
166 invarg("bad TOS value", *argv);
167 tos = uval;
168 } else
169 tos = 1;
01c65995 170 addattr8(n, 1024, IFLA_VXLAN_TOS, tos);
f8eb79a6
DB		 171 } else if (!matches(*argv, "label") ||
172 !matches(*argv, "flowlabel")) {
173 __u32 uval;
174
175 NEXT_ARG();
01c65995
GM		 176 check_duparg(&attrs, IFLA_VXLAN_LABEL, "flowlabel",
177 *argv);
f8eb79a6
DB		 178 if (get_u32(&uval, *argv, 0) ||
179 (uval & ~LABEL_MAX_MASK))
180 invarg("invalid flowlabel", *argv);
01c65995 181 addattr32(n, 1024, IFLA_VXLAN_LABEL, htonl(uval));
a5494df2 182 } else if (!matches(*argv, "ageing")) {
01c65995
GM		 183 __u32 age;
184
a5494df2 185 NEXT_ARG();
01c65995
GM		 186 check_duparg(&attrs, IFLA_VXLAN_AGEING, "ageing",
187 *argv);
a5494df2 188 if (strcmp(*argv, "none") == 0)
01c65995 189 age = 0;
a5494df2 190 else if (get_u32(&age, *argv, 0))
2d596120 191 invarg("ageing timer", *argv);
01c65995 192 addattr32(n, 1024, IFLA_VXLAN_AGEING, age);
a5494df2 193 } else if (!matches(*argv, "maxaddress")) {
01c65995
GM		 194 __u32 maxaddr;
195
a5494df2 196 NEXT_ARG();
01c65995
GM		 197 check_duparg(&attrs, IFLA_VXLAN_LIMIT,
198 "maxaddress", *argv);
a5494df2
SH		 199 if (strcmp(*argv, "unlimited") == 0)
200 maxaddr = 0;
201 else if (get_u32(&maxaddr, *argv, 0))
2d596120 202 invarg("max addresses", *argv);
01c65995 203 addattr32(n, 1024, IFLA_VXLAN_LIMIT, maxaddr);
514cdfb4
SH		 204 } else if (!matches(*argv, "port") ||
205 !matches(*argv, "srcport")) {
01c65995
GM		 206 struct ifla_vxlan_port_range range = { 0, 0 };
207
2d596120 208 NEXT_ARG();
01c65995
GM		 209 check_duparg(&attrs, IFLA_VXLAN_PORT_RANGE, "srcport",
210 *argv);
9f7401fa 211 if (get_be16(&range.low, *argv, 0))
2d596120
SH		 212 invarg("min port", *argv);
213 NEXT_ARG();
9f7401fa 214 if (get_be16(&range.high, *argv, 0))
2d596120 215 invarg("max port", *argv);
01c65995
GM		 216 if (range.low || range.high) {
217 addattr_l(n, 1024, IFLA_VXLAN_PORT_RANGE,
218 &range, sizeof(range));
219 }
56f5daac 220 } else if (!matches(*argv, "dstport")) {
514cdfb4 221 NEXT_ARG();
01c65995 222 check_duparg(&attrs, IFLA_VXLAN_PORT, "dstport", *argv);
514cdfb4
SH		 223 if (get_u16(&dstport, *argv, 0))
224 invarg("dst port", *argv);
a5494df2 225 } else if (!matches(*argv, "nolearning")) {
01c65995 226 check_duparg(&attrs, IFLA_VXLAN_LEARNING, *argv, *argv);
a5494df2
SH		 227 learning = 0;
228 } else if (!matches(*argv, "learning")) {
01c65995 229 check_duparg(&attrs, IFLA_VXLAN_LEARNING, *argv, *argv);
a5494df2 230 learning = 1;
1556e29d 231 } else if (!matches(*argv, "noproxy")) {
01c65995
GM		 232 check_duparg(&attrs, IFLA_VXLAN_PROXY, *argv, *argv);
233 addattr8(n, 1024, IFLA_VXLAN_PROXY, 0);
1556e29d 234 } else if (!matches(*argv, "proxy")) {
01c65995
GM		 235 check_duparg(&attrs, IFLA_VXLAN_PROXY, *argv, *argv);
236 addattr8(n, 1024, IFLA_VXLAN_PROXY, 1);
1556e29d 237 } else if (!matches(*argv, "norsc")) {
01c65995
GM		 238 check_duparg(&attrs, IFLA_VXLAN_RSC, *argv, *argv);
239 addattr8(n, 1024, IFLA_VXLAN_RSC, 0);
1556e29d 240 } else if (!matches(*argv, "rsc")) {
01c65995
GM		 241 check_duparg(&attrs, IFLA_VXLAN_RSC, *argv, *argv);
242 addattr8(n, 1024, IFLA_VXLAN_RSC, 1);
1556e29d 243 } else if (!matches(*argv, "nol2miss")) {
01c65995
GM		 244 check_duparg(&attrs, IFLA_VXLAN_L2MISS, *argv, *argv);
245 addattr8(n, 1024, IFLA_VXLAN_L2MISS, 0);
1556e29d 246 } else if (!matches(*argv, "l2miss")) {
01c65995
GM		 247 check_duparg(&attrs, IFLA_VXLAN_L2MISS, *argv, *argv);
248 addattr8(n, 1024, IFLA_VXLAN_L2MISS, 1);
1556e29d 249 } else if (!matches(*argv, "nol3miss")) {
01c65995
GM		 250 check_duparg(&attrs, IFLA_VXLAN_L3MISS, *argv, *argv);
251 addattr8(n, 1024, IFLA_VXLAN_L3MISS, 0);
1556e29d 252 } else if (!matches(*argv, "l3miss")) {
01c65995
GM		 253 check_duparg(&attrs, IFLA_VXLAN_L3MISS, *argv, *argv);
254 addattr8(n, 1024, IFLA_VXLAN_L3MISS, 1);
666cdc50 255 } else if (!matches(*argv, "udpcsum")) {
01c65995
GM		 256 check_duparg(&attrs, IFLA_VXLAN_UDP_CSUM, *argv, *argv);
257 addattr8(n, 1024, IFLA_VXLAN_UDP_CSUM, 1);
666cdc50 258 } else if (!matches(*argv, "noudpcsum")) {
01c65995
GM		 259 check_duparg(&attrs, IFLA_VXLAN_UDP_CSUM, *argv, *argv);
260 addattr8(n, 1024, IFLA_VXLAN_UDP_CSUM, 0);
666cdc50 261 } else if (!matches(*argv, "udp6zerocsumtx")) {
01c65995
GM		 262 check_duparg(&attrs, IFLA_VXLAN_UDP_ZERO_CSUM6_TX,
263 *argv, *argv);
264 addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_TX, 1);
666cdc50 265 } else if (!matches(*argv, "noudp6zerocsumtx")) {
01c65995
GM		 266 check_duparg(&attrs, IFLA_VXLAN_UDP_ZERO_CSUM6_TX,
267 *argv, *argv);
268 addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_TX, 0);
666cdc50 269 } else if (!matches(*argv, "udp6zerocsumrx")) {
01c65995
GM		 270 check_duparg(&attrs, IFLA_VXLAN_UDP_ZERO_CSUM6_RX,
271 *argv, *argv);
272 addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_RX, 1);
666cdc50 273 } else if (!matches(*argv, "noudp6zerocsumrx")) {
01c65995
GM		 274 check_duparg(&attrs, IFLA_VXLAN_UDP_ZERO_CSUM6_RX,
275 *argv, *argv);
276 addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_RX, 0);
35f59d86 277 } else if (!matches(*argv, "remcsumtx")) {
01c65995
GM		 278 check_duparg(&attrs, IFLA_VXLAN_REMCSUM_TX,
279 *argv, *argv);
280 addattr8(n, 1024, IFLA_VXLAN_REMCSUM_TX, 1);
35f59d86 281 } else if (!matches(*argv, "noremcsumtx")) {
01c65995
GM		 282 check_duparg(&attrs, IFLA_VXLAN_REMCSUM_TX,
283 *argv, *argv);
284 addattr8(n, 1024, IFLA_VXLAN_REMCSUM_TX, 0);
35f59d86 285 } else if (!matches(*argv, "remcsumrx")) {
01c65995
GM		 286 check_duparg(&attrs, IFLA_VXLAN_REMCSUM_RX,
287 *argv, *argv);
288 addattr8(n, 1024, IFLA_VXLAN_REMCSUM_RX, 1);
35f59d86 289 } else if (!matches(*argv, "noremcsumrx")) {
01c65995
GM		 290 check_duparg(&attrs, IFLA_VXLAN_REMCSUM_RX,
291 *argv, *argv);
292 addattr8(n, 1024, IFLA_VXLAN_REMCSUM_RX, 0);
e79c327e 293 } else if (!matches(*argv, "external")) {
01c65995
GM		 294 check_duparg(&attrs, IFLA_VXLAN_COLLECT_METADATA,
295 *argv, *argv);
e79c327e 296 metadata = 1;
44df4597 297 learning = 0;
01c65995
GM		 298 /* we will add LEARNING attribute outside of the loop */
299 addattr8(n, 1024, IFLA_VXLAN_COLLECT_METADATA,
300 metadata);
e79c327e 301 } else if (!matches(*argv, "noexternal")) {
01c65995
GM		 302 check_duparg(&attrs, IFLA_VXLAN_COLLECT_METADATA,
303 *argv, *argv);
e79c327e 304 metadata = 0;
01c65995
GM		 305 addattr8(n, 1024, IFLA_VXLAN_COLLECT_METADATA,
306 metadata);
2eb90dc7 307 } else if (!matches(*argv, "gbp")) {
01c65995
GM		 308 check_duparg(&attrs, IFLA_VXLAN_GBP, *argv, *argv);
309 addattr_l(n, 1024, IFLA_VXLAN_GBP, NULL, 0);
346410bd 310 } else if (!matches(*argv, "gpe")) {
01c65995
GM		 311 check_duparg(&attrs, IFLA_VXLAN_GPE, *argv, *argv);
312 addattr_l(n, 1024, IFLA_VXLAN_GPE, NULL, 0);
a5494df2
SH		 313 } else if (matches(*argv, "help") == 0) {
314 explain();
315 return -1;
316 } else {
14645ec2 317 fprintf(stderr, "vxlan: unknown command \"%s\"?\n", *argv);
a5494df2
SH		 318 explain();
319 return -1;
320 }
321 argc--, argv++;
322 }
2a126a85 323
01c65995 324 if (metadata && VXLAN_ATTRSET(attrs, IFLA_VXLAN_ID)) {
e79c327e
PA		 325 fprintf(stderr, "vxlan: both 'external' and vni cannot be specified\n");
326 return -1;
327 }
328
b6fae788 329 if (!metadata && !VXLAN_ATTRSET(attrs, IFLA_VXLAN_ID) && !set_op) {
a5494df2
SH		 330 fprintf(stderr, "vxlan: missing virtual network identifier\n");
331 return -1;
332 }
514cdfb4 333
1e9b8072 334 if (is_addrtype_inet_multi(&daddr) &&
01c65995 335 !VXLAN_ATTRSET(attrs, IFLA_VXLAN_LINK)) {
e2cfe550
JB		 336 fprintf(stderr, "vxlan: 'group' requires 'dev' to be specified\n");
337 return -1;
338 }
339
01c65995
GM		 340 if (!VXLAN_ATTRSET(attrs, IFLA_VXLAN_PORT) &&
341 VXLAN_ATTRSET(attrs, IFLA_VXLAN_GPE)) {
346410bd 342 dstport = 4790;
01c65995 343 } else if (!VXLAN_ATTRSET(attrs, IFLA_VXLAN_PORT) && !set_op) {
514cdfb4
SH		 344 fprintf(stderr, "vxlan: destination port not specified\n"
345 "Will use Linux kernel default (non-standard value)\n");
0612519e 346 fprintf(stderr,
514cdfb4
SH		 347 "Use 'dstport 4789' to get the IANA assigned value\n"
348 "Use 'dstport 0' to get default and quiet this message\n");
349 }
350
b6fae788
RS		 351 if (VXLAN_ATTRSET(attrs, IFLA_VXLAN_ID))
352 addattr32(n, 1024, IFLA_VXLAN_ID, vni);
1e9b8072
SP		 353
354 if (is_addrtype_inet(&saddr)) {
355 int type = (saddr.family == AF_INET) ? IFLA_VXLAN_LOCAL
356 : IFLA_VXLAN_LOCAL6;
357 addattr_l(n, 1024, type, saddr.data, saddr.bytelen);
358 }
359
360 if (is_addrtype_inet(&daddr)) {
361 int type = (daddr.family == AF_INET) ? IFLA_VXLAN_GROUP
362 : IFLA_VXLAN_GROUP6;
363 addattr_l(n, 1024, type, daddr.data, daddr.bytelen);
364 }
aa574cd6 365
01c65995
GM		 366 if (!set_op || VXLAN_ATTRSET(attrs, IFLA_VXLAN_LEARNING))
367 addattr8(n, 1024, IFLA_VXLAN_LEARNING, learning);
514cdfb4 368
514cdfb4
SH		 369 if (dstport)
370 addattr16(n, 1024, IFLA_VXLAN_PORT, htons(dstport));
a5494df2
SH		 371
372 return 0;
373}
374
375static void vxlan_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
376{
377 __u32 vni;
375560c4 378 __u8 ttl = 0;
3caa526c 379 __u8 tos = 0;
2d596120 380 __u32 maxaddr;
a5494df2
SH		 381
382 if (!tb)
383 return;
384
00ff4b8e
SP		 385 if (tb[IFLA_VXLAN_COLLECT_METADATA] &&
386 rta_getattr_u8(tb[IFLA_VXLAN_COLLECT_METADATA])) {
387 print_bool(PRINT_ANY, "external", "external", true);
388 return;
389 }
390
a5494df2
SH		 391 if (!tb[IFLA_VXLAN_ID] ||
392 RTA_PAYLOAD(tb[IFLA_VXLAN_ID]) < sizeof(__u32))
393 return;
394
395 vni = rta_getattr_u32(tb[IFLA_VXLAN_ID]);
3b98d9b8 396 print_uint(PRINT_ANY, "id", "id %u ", vni);
a5494df2
SH		 397
398 if (tb[IFLA_VXLAN_GROUP]) {
b64da5a5 399 __be32 addr = rta_getattr_u32(tb[IFLA_VXLAN_GROUP]);
56f5daac 400
7cfa3802
AW		 401 if (addr) {
402 if (IN_MULTICAST(ntohl(addr)))
3b98d9b8
JF		 403 print_string(PRINT_ANY,
404 "group",
405 "group %s ",
406 format_host(AF_INET, 4, &addr));
7cfa3802 407 else
3b98d9b8
JF		 408 print_string(PRINT_ANY,
409 "remote",
410 "remote %s ",
411 format_host(AF_INET, 4, &addr));
7cfa3802 412 }
aa574cd6
WC		 413 } else if (tb[IFLA_VXLAN_GROUP6]) {
414 struct in6_addr addr;
56f5daac 415
aa574cd6 416 memcpy(&addr, RTA_DATA(tb[IFLA_VXLAN_GROUP6]), sizeof(struct in6_addr));
1f4c51c0 417 if (!IN6_IS_ADDR_UNSPECIFIED(&addr)) {
aa574cd6 418 if (IN6_IS_ADDR_MULTICAST(&addr))
3b98d9b8
JF		 419 print_string(PRINT_ANY,
420 "group6",
421 "group %s ",
422 format_host(AF_INET6,
423 sizeof(struct in6_addr),
424 &addr));
aa574cd6 425 else
3b98d9b8
JF		 426 print_string(PRINT_ANY,
427 "remote6",
428 "remote %s ",
429 format_host(AF_INET6,
430 sizeof(struct in6_addr),
431 &addr));
aa574cd6 432 }
a5494df2
SH		 433 }
434
435 if (tb[IFLA_VXLAN_LOCAL]) {
b64da5a5 436 __be32 addr = rta_getattr_u32(tb[IFLA_VXLAN_LOCAL]);
56f5daac 437
a5494df2 438 if (addr)
3b98d9b8
JF		 439 print_string(PRINT_ANY,
440 "local",
441 "local %s ",
442 format_host(AF_INET, 4, &addr));
aa574cd6
WC		 443 } else if (tb[IFLA_VXLAN_LOCAL6]) {
444 struct in6_addr addr;
56f5daac 445
aa574cd6 446 memcpy(&addr, RTA_DATA(tb[IFLA_VXLAN_LOCAL6]), sizeof(struct in6_addr));
1f4c51c0 447 if (!IN6_IS_ADDR_UNSPECIFIED(&addr))
3b98d9b8
JF		 448 print_string(PRINT_ANY,
449 "local6",
450 "local %s ",
451 format_host(AF_INET6,
452 sizeof(struct in6_addr),
453 &addr));
a5494df2
SH		 454 }
455
45d3a6ef
SP		 456 if (tb[IFLA_VXLAN_LINK]) {
457 unsigned int link = rta_getattr_u32(tb[IFLA_VXLAN_LINK]);
a5494df2 458
45d3a6ef
SP		 459 if (link) {
460 print_string(PRINT_ANY, "link", "dev %s ",
461 ll_index_to_name(link));
462 }
a5494df2
SH		 463 }
464
2d596120
SH		 465 if (tb[IFLA_VXLAN_PORT_RANGE]) {
466 const struct ifla_vxlan_port_range *r
467 = RTA_DATA(tb[IFLA_VXLAN_PORT_RANGE]);
3b98d9b8
JF		 468 if (is_json_context()) {
469 open_json_object("port_range");
470 print_uint(PRINT_JSON, "low", NULL, ntohs(r->low));
471 print_uint(PRINT_JSON, "high", NULL, ntohs(r->high));
472 close_json_object();
473 } else {
474 fprintf(f, "srcport %u %u ",
475 ntohs(r->low), ntohs(r->high));
476 }
1556e29d 477 }
2d596120 478
514cdfb4 479 if (tb[IFLA_VXLAN_PORT])
3b98d9b8
JF		 480 print_uint(PRINT_ANY,
481 "port",
482 "dstport %u ",
483 rta_getattr_be16(tb[IFLA_VXLAN_PORT]));
514cdfb4 484
3b98d9b8
JF		 485 if (tb[IFLA_VXLAN_LEARNING]) {
486 __u8 learning = rta_getattr_u8(tb[IFLA_VXLAN_LEARNING]);
487
488 print_bool(PRINT_JSON, "learning", NULL, learning);
489 if (!learning)
490 print_bool(PRINT_FP, NULL, "nolearning ", true);
491 }
1556e29d
DS		 492
493 if (tb[IFLA_VXLAN_PROXY] && rta_getattr_u8(tb[IFLA_VXLAN_PROXY]))
3b98d9b8 494 print_bool(PRINT_ANY, "proxy", "proxy ", true);
1556e29d
DS		 495
496 if (tb[IFLA_VXLAN_RSC] && rta_getattr_u8(tb[IFLA_VXLAN_RSC]))
3b98d9b8 497 print_bool(PRINT_ANY, "rsc", "rsc ", true);
1556e29d
DS		 498
499 if (tb[IFLA_VXLAN_L2MISS] && rta_getattr_u8(tb[IFLA_VXLAN_L2MISS]))
3b98d9b8 500 print_bool(PRINT_ANY, "l2miss", "l2miss ", true);
1556e29d
DS		 501
502 if (tb[IFLA_VXLAN_L3MISS] && rta_getattr_u8(tb[IFLA_VXLAN_L3MISS]))
3b98d9b8 503 print_bool(PRINT_ANY, "l3miss", "l3miss ", true);
1556e29d 504
3caa526c
SP		 505 if (tb[IFLA_VXLAN_TOS])
506 tos = rta_getattr_u8(tb[IFLA_VXLAN_TOS]);
507 if (tos) {
508 if (is_json_context() || tos != 1)
509 print_0xhex(PRINT_ANY, "tos", "tos 0x%x ", tos);
510 else
511 print_string(PRINT_FP, NULL, "tos %s ", "inherit");
a5494df2
SH		 512 }
513
375560c4
SP		 514 if (tb[IFLA_VXLAN_TTL])
515 ttl = rta_getattr_u8(tb[IFLA_VXLAN_TTL]);
516 if (is_json_context() || ttl)
517 print_uint(PRINT_ANY, "ttl", "ttl %u ", ttl);
518 else
519 print_string(PRINT_FP, NULL, "ttl %s ", "inherit");
a5494df2 520
f8eb79a6
DB		 521 if (tb[IFLA_VXLAN_LABEL]) {
522 __u32 label = rta_getattr_u32(tb[IFLA_VXLAN_LABEL]);
523
524 if (label)
3b98d9b8
JF		 525 print_0xhex(PRINT_ANY,
526 "label",
527 "flowlabel %#x ",
528 ntohl(label));
f8eb79a6
DB		 529 }
530
a5494df2
SH		 531 if (tb[IFLA_VXLAN_AGEING]) {
532 __u32 age = rta_getattr_u32(tb[IFLA_VXLAN_AGEING]);
56f5daac 533
a5494df2 534 if (age == 0)
3b98d9b8 535 print_uint(PRINT_ANY, "ageing", "ageing none ", 0);
a5494df2 536 else
3b98d9b8 537 print_uint(PRINT_ANY, "ageing", "ageing %u ", age);
a5494df2 538 }
2d596120
SH		 539
540 if (tb[IFLA_VXLAN_LIMIT] &&
6ad5399c 541 ((maxaddr = rta_getattr_u32(tb[IFLA_VXLAN_LIMIT])) != 0))
3b98d9b8 542 print_uint(PRINT_ANY, "limit", "maxaddr %u ", maxaddr);
666cdc50 543
af325398 544 if (tb[IFLA_VXLAN_UDP_CSUM]) {
3b98d9b8
JF		 545 __u8 udp_csum = rta_getattr_u8(tb[IFLA_VXLAN_UDP_CSUM]);
546
547 if (is_json_context()) {
548 print_bool(PRINT_ANY, "udp_csum", NULL, udp_csum);
549 } else {
550 if (!udp_csum)
551 fputs("no", f);
552 fputs("udpcsum ", f);
553 }
af325398 554 }
666cdc50 555
af325398 556 if (tb[IFLA_VXLAN_UDP_ZERO_CSUM6_TX]) {
3b98d9b8
JF		 557 __u8 csum6 = rta_getattr_u8(tb[IFLA_VXLAN_UDP_ZERO_CSUM6_TX]);
558
559 if (is_json_context()) {
560 print_bool(PRINT_ANY,
561 "udp_zero_csum6_tx", NULL, csum6);
562 } else {
563 if (!csum6)
564 fputs("no", f);
565 fputs("udp6zerocsumtx ", f);
566 }
af325398 567 }
666cdc50 568
af325398 569 if (tb[IFLA_VXLAN_UDP_ZERO_CSUM6_RX]) {
3b98d9b8
JF		 570 __u8 csum6 = rta_getattr_u8(tb[IFLA_VXLAN_UDP_ZERO_CSUM6_RX]);
571
572 if (is_json_context()) {
573 print_bool(PRINT_ANY,
574 "udp_zero_csum6_rx",
575 NULL,
576 csum6);
577 } else {
578 if (!csum6)
579 fputs("no", f);
580 fputs("udp6zerocsumrx ", f);
581 }
af325398 582 }
2eb90dc7 583
35f59d86
TH		 584 if (tb[IFLA_VXLAN_REMCSUM_TX] &&
585 rta_getattr_u8(tb[IFLA_VXLAN_REMCSUM_TX]))
3b98d9b8 586 print_bool(PRINT_ANY, "remcsum_tx", "remcsumtx ", true);
35f59d86
TH		 587
588 if (tb[IFLA_VXLAN_REMCSUM_RX] &&
589 rta_getattr_u8(tb[IFLA_VXLAN_REMCSUM_RX]))
3b98d9b8 590 print_bool(PRINT_ANY, "remcsum_rx", "remcsumrx ", true);
35f59d86 591
2eb90dc7 592 if (tb[IFLA_VXLAN_GBP])
3b98d9b8 593 print_bool(PRINT_ANY, "gbp", "gbp ", true);
346410bd 594 if (tb[IFLA_VXLAN_GPE])
3b98d9b8 595 print_bool(PRINT_ANY, "gpe", "gpe ", true);
a5494df2
SH		 596}
597
561e650e 598static void vxlan_print_help(struct link_util *lu, int argc, char **argv,
3b98d9b8 599 FILE *f)
561e650e 600{
601 print_explain(f);
602}
603
a5494df2
SH		 604struct link_util vxlan_link_util = {
605 .id = "vxlan",
606 .maxattr = IFLA_VXLAN_MAX,
607 .parse_opt = vxlan_parse_opt,
608 .print_opt = vxlan_print_opt,
561e650e 609 .print_help = vxlan_print_help,
a5494df2 610};
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