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