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utils: Introduce and use nodev() helper routine
[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);
fe99adbc
SP		 136 if (!link)
137 exit(nodev(*argv));
01c65995 138 addattr32(n, 1024, IFLA_VXLAN_LINK, link);
a5494df2
SH		 139 } else if (!matches(*argv, "ttl") ||
140 !matches(*argv, "hoplimit")) {
56f5daac 141 unsigned int uval;
01c65995 142 __u8 ttl = 0;
a5494df2
SH		 143
144 NEXT_ARG();
01c65995 145 check_duparg(&attrs, IFLA_VXLAN_TTL, "ttl", *argv);
a5494df2
SH		 146 if (strcmp(*argv, "inherit") != 0) {
147 if (get_unsigned(&uval, *argv, 0))
2d596120 148 invarg("invalid TTL", *argv);
a5494df2 149 if (uval > 255)
2d596120 150 invarg("TTL must be <= 255", *argv);
a5494df2
SH		 151 ttl = uval;
152 }
01c65995 153 addattr8(n, 1024, IFLA_VXLAN_TTL, ttl);
a5494df2
SH		 154 } else if (!matches(*argv, "tos") ||
155 !matches(*argv, "dsfield")) {
156 __u32 uval;
01c65995 157 __u8 tos;
a5494df2
SH		 158
159 NEXT_ARG();
01c65995 160 check_duparg(&attrs, IFLA_VXLAN_TOS, "tos", *argv);
a5494df2
SH		 161 if (strcmp(*argv, "inherit") != 0) {
162 if (rtnl_dsfield_a2n(&uval, *argv))
163 invarg("bad TOS value", *argv);
164 tos = uval;
165 } else
166 tos = 1;
01c65995 167 addattr8(n, 1024, IFLA_VXLAN_TOS, tos);
f8eb79a6
DB		 168 } else if (!matches(*argv, "label") ||
169 !matches(*argv, "flowlabel")) {
170 __u32 uval;
171
172 NEXT_ARG();
01c65995
GM		 173 check_duparg(&attrs, IFLA_VXLAN_LABEL, "flowlabel",
174 *argv);
f8eb79a6
DB		 175 if (get_u32(&uval, *argv, 0) ||
176 (uval & ~LABEL_MAX_MASK))
177 invarg("invalid flowlabel", *argv);
01c65995 178 addattr32(n, 1024, IFLA_VXLAN_LABEL, htonl(uval));
a5494df2 179 } else if (!matches(*argv, "ageing")) {
01c65995
GM		 180 __u32 age;
181
a5494df2 182 NEXT_ARG();
01c65995
GM		 183 check_duparg(&attrs, IFLA_VXLAN_AGEING, "ageing",
184 *argv);
a5494df2 185 if (strcmp(*argv, "none") == 0)
01c65995 186 age = 0;
a5494df2 187 else if (get_u32(&age, *argv, 0))
2d596120 188 invarg("ageing timer", *argv);
01c65995 189 addattr32(n, 1024, IFLA_VXLAN_AGEING, age);
a5494df2 190 } else if (!matches(*argv, "maxaddress")) {
01c65995
GM		 191 __u32 maxaddr;
192
a5494df2 193 NEXT_ARG();
01c65995
GM		 194 check_duparg(&attrs, IFLA_VXLAN_LIMIT,
195 "maxaddress", *argv);
a5494df2
SH		 196 if (strcmp(*argv, "unlimited") == 0)
197 maxaddr = 0;
198 else if (get_u32(&maxaddr, *argv, 0))
2d596120 199 invarg("max addresses", *argv);
01c65995 200 addattr32(n, 1024, IFLA_VXLAN_LIMIT, maxaddr);
514cdfb4
SH		 201 } else if (!matches(*argv, "port") ||
202 !matches(*argv, "srcport")) {
01c65995
GM		 203 struct ifla_vxlan_port_range range = { 0, 0 };
204
2d596120 205 NEXT_ARG();
01c65995
GM		 206 check_duparg(&attrs, IFLA_VXLAN_PORT_RANGE, "srcport",
207 *argv);
9f7401fa 208 if (get_be16(&range.low, *argv, 0))
2d596120
SH		 209 invarg("min port", *argv);
210 NEXT_ARG();
9f7401fa 211 if (get_be16(&range.high, *argv, 0))
2d596120 212 invarg("max port", *argv);
01c65995
GM		 213 if (range.low || range.high) {
214 addattr_l(n, 1024, IFLA_VXLAN_PORT_RANGE,
215 &range, sizeof(range));
216 }
56f5daac 217 } else if (!matches(*argv, "dstport")) {
514cdfb4 218 NEXT_ARG();
01c65995 219 check_duparg(&attrs, IFLA_VXLAN_PORT, "dstport", *argv);
514cdfb4
SH		 220 if (get_u16(&dstport, *argv, 0))
221 invarg("dst port", *argv);
a5494df2 222 } else if (!matches(*argv, "nolearning")) {
01c65995 223 check_duparg(&attrs, IFLA_VXLAN_LEARNING, *argv, *argv);
a5494df2
SH		 224 learning = 0;
225 } else if (!matches(*argv, "learning")) {
01c65995 226 check_duparg(&attrs, IFLA_VXLAN_LEARNING, *argv, *argv);
a5494df2 227 learning = 1;
1556e29d 228 } else if (!matches(*argv, "noproxy")) {
01c65995
GM		 229 check_duparg(&attrs, IFLA_VXLAN_PROXY, *argv, *argv);
230 addattr8(n, 1024, IFLA_VXLAN_PROXY, 0);
1556e29d 231 } else if (!matches(*argv, "proxy")) {
01c65995
GM		 232 check_duparg(&attrs, IFLA_VXLAN_PROXY, *argv, *argv);
233 addattr8(n, 1024, IFLA_VXLAN_PROXY, 1);
1556e29d 234 } else if (!matches(*argv, "norsc")) {
01c65995
GM		 235 check_duparg(&attrs, IFLA_VXLAN_RSC, *argv, *argv);
236 addattr8(n, 1024, IFLA_VXLAN_RSC, 0);
1556e29d 237 } else if (!matches(*argv, "rsc")) {
01c65995
GM		 238 check_duparg(&attrs, IFLA_VXLAN_RSC, *argv, *argv);
239 addattr8(n, 1024, IFLA_VXLAN_RSC, 1);
1556e29d 240 } else if (!matches(*argv, "nol2miss")) {
01c65995
GM		 241 check_duparg(&attrs, IFLA_VXLAN_L2MISS, *argv, *argv);
242 addattr8(n, 1024, IFLA_VXLAN_L2MISS, 0);
1556e29d 243 } else if (!matches(*argv, "l2miss")) {
01c65995
GM		 244 check_duparg(&attrs, IFLA_VXLAN_L2MISS, *argv, *argv);
245 addattr8(n, 1024, IFLA_VXLAN_L2MISS, 1);
1556e29d 246 } else if (!matches(*argv, "nol3miss")) {
01c65995
GM		 247 check_duparg(&attrs, IFLA_VXLAN_L3MISS, *argv, *argv);
248 addattr8(n, 1024, IFLA_VXLAN_L3MISS, 0);
1556e29d 249 } else if (!matches(*argv, "l3miss")) {
01c65995
GM		 250 check_duparg(&attrs, IFLA_VXLAN_L3MISS, *argv, *argv);
251 addattr8(n, 1024, IFLA_VXLAN_L3MISS, 1);
666cdc50 252 } else if (!matches(*argv, "udpcsum")) {
01c65995
GM		 253 check_duparg(&attrs, IFLA_VXLAN_UDP_CSUM, *argv, *argv);
254 addattr8(n, 1024, IFLA_VXLAN_UDP_CSUM, 1);
666cdc50 255 } else if (!matches(*argv, "noudpcsum")) {
01c65995
GM		 256 check_duparg(&attrs, IFLA_VXLAN_UDP_CSUM, *argv, *argv);
257 addattr8(n, 1024, IFLA_VXLAN_UDP_CSUM, 0);
666cdc50 258 } else if (!matches(*argv, "udp6zerocsumtx")) {
01c65995
GM		 259 check_duparg(&attrs, IFLA_VXLAN_UDP_ZERO_CSUM6_TX,
260 *argv, *argv);
261 addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_TX, 1);
666cdc50 262 } else if (!matches(*argv, "noudp6zerocsumtx")) {
01c65995
GM		 263 check_duparg(&attrs, IFLA_VXLAN_UDP_ZERO_CSUM6_TX,
264 *argv, *argv);
265 addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_TX, 0);
666cdc50 266 } else if (!matches(*argv, "udp6zerocsumrx")) {
01c65995
GM		 267 check_duparg(&attrs, IFLA_VXLAN_UDP_ZERO_CSUM6_RX,
268 *argv, *argv);
269 addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_RX, 1);
666cdc50 270 } else if (!matches(*argv, "noudp6zerocsumrx")) {
01c65995
GM		 271 check_duparg(&attrs, IFLA_VXLAN_UDP_ZERO_CSUM6_RX,
272 *argv, *argv);
273 addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_RX, 0);
35f59d86 274 } else if (!matches(*argv, "remcsumtx")) {
01c65995
GM		 275 check_duparg(&attrs, IFLA_VXLAN_REMCSUM_TX,
276 *argv, *argv);
277 addattr8(n, 1024, IFLA_VXLAN_REMCSUM_TX, 1);
35f59d86 278 } else if (!matches(*argv, "noremcsumtx")) {
01c65995
GM		 279 check_duparg(&attrs, IFLA_VXLAN_REMCSUM_TX,
280 *argv, *argv);
281 addattr8(n, 1024, IFLA_VXLAN_REMCSUM_TX, 0);
35f59d86 282 } else if (!matches(*argv, "remcsumrx")) {
01c65995
GM		 283 check_duparg(&attrs, IFLA_VXLAN_REMCSUM_RX,
284 *argv, *argv);
285 addattr8(n, 1024, IFLA_VXLAN_REMCSUM_RX, 1);
35f59d86 286 } else if (!matches(*argv, "noremcsumrx")) {
01c65995
GM		 287 check_duparg(&attrs, IFLA_VXLAN_REMCSUM_RX,
288 *argv, *argv);
289 addattr8(n, 1024, IFLA_VXLAN_REMCSUM_RX, 0);
e79c327e 290 } else if (!matches(*argv, "external")) {
01c65995
GM		 291 check_duparg(&attrs, IFLA_VXLAN_COLLECT_METADATA,
292 *argv, *argv);
e79c327e 293 metadata = 1;
44df4597 294 learning = 0;
01c65995
GM		 295 /* we will add LEARNING attribute outside of the loop */
296 addattr8(n, 1024, IFLA_VXLAN_COLLECT_METADATA,
297 metadata);
e79c327e 298 } else if (!matches(*argv, "noexternal")) {
01c65995
GM		 299 check_duparg(&attrs, IFLA_VXLAN_COLLECT_METADATA,
300 *argv, *argv);
e79c327e 301 metadata = 0;
01c65995
GM		 302 addattr8(n, 1024, IFLA_VXLAN_COLLECT_METADATA,
303 metadata);
2eb90dc7 304 } else if (!matches(*argv, "gbp")) {
01c65995
GM		 305 check_duparg(&attrs, IFLA_VXLAN_GBP, *argv, *argv);
306 addattr_l(n, 1024, IFLA_VXLAN_GBP, NULL, 0);
346410bd 307 } else if (!matches(*argv, "gpe")) {
01c65995
GM		 308 check_duparg(&attrs, IFLA_VXLAN_GPE, *argv, *argv);
309 addattr_l(n, 1024, IFLA_VXLAN_GPE, NULL, 0);
a5494df2
SH		 310 } else if (matches(*argv, "help") == 0) {
311 explain();
312 return -1;
313 } else {
14645ec2 314 fprintf(stderr, "vxlan: unknown command \"%s\"?\n", *argv);
a5494df2
SH		 315 explain();
316 return -1;
317 }
318 argc--, argv++;
319 }
2a126a85 320
01c65995 321 if (metadata && VXLAN_ATTRSET(attrs, IFLA_VXLAN_ID)) {
e79c327e
PA		 322 fprintf(stderr, "vxlan: both 'external' and vni cannot be specified\n");
323 return -1;
324 }
325
b6fae788 326 if (!metadata && !VXLAN_ATTRSET(attrs, IFLA_VXLAN_ID) && !set_op) {
a5494df2
SH		 327 fprintf(stderr, "vxlan: missing virtual network identifier\n");
328 return -1;
329 }
514cdfb4 330
1e9b8072 331 if (is_addrtype_inet_multi(&daddr) &&
01c65995 332 !VXLAN_ATTRSET(attrs, IFLA_VXLAN_LINK)) {
e2cfe550
JB		 333 fprintf(stderr, "vxlan: 'group' requires 'dev' to be specified\n");
334 return -1;
335 }
336
01c65995
GM		 337 if (!VXLAN_ATTRSET(attrs, IFLA_VXLAN_PORT) &&
338 VXLAN_ATTRSET(attrs, IFLA_VXLAN_GPE)) {
346410bd 339 dstport = 4790;
01c65995 340 } else if (!VXLAN_ATTRSET(attrs, IFLA_VXLAN_PORT) && !set_op) {
514cdfb4
SH		 341 fprintf(stderr, "vxlan: destination port not specified\n"
342 "Will use Linux kernel default (non-standard value)\n");
0612519e 343 fprintf(stderr,
514cdfb4
SH		 344 "Use 'dstport 4789' to get the IANA assigned value\n"
345 "Use 'dstport 0' to get default and quiet this message\n");
346 }
347
b6fae788
RS		 348 if (VXLAN_ATTRSET(attrs, IFLA_VXLAN_ID))
349 addattr32(n, 1024, IFLA_VXLAN_ID, vni);
1e9b8072
SP		 350
351 if (is_addrtype_inet(&saddr)) {
352 int type = (saddr.family == AF_INET) ? IFLA_VXLAN_LOCAL
353 : IFLA_VXLAN_LOCAL6;
354 addattr_l(n, 1024, type, saddr.data, saddr.bytelen);
355 }
356
357 if (is_addrtype_inet(&daddr)) {
358 int type = (daddr.family == AF_INET) ? IFLA_VXLAN_GROUP
359 : IFLA_VXLAN_GROUP6;
360 addattr_l(n, 1024, type, daddr.data, daddr.bytelen);
361 }
aa574cd6 362
01c65995
GM		 363 if (!set_op || VXLAN_ATTRSET(attrs, IFLA_VXLAN_LEARNING))
364 addattr8(n, 1024, IFLA_VXLAN_LEARNING, learning);
514cdfb4 365
514cdfb4
SH		 366 if (dstport)
367 addattr16(n, 1024, IFLA_VXLAN_PORT, htons(dstport));
a5494df2
SH		 368
369 return 0;
370}
371
372static void vxlan_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
373{
374 __u32 vni;
375560c4 375 __u8 ttl = 0;
3caa526c 376 __u8 tos = 0;
2d596120 377 __u32 maxaddr;
a5494df2
SH		 378
379 if (!tb)
380 return;
381
00ff4b8e
SP		 382 if (tb[IFLA_VXLAN_COLLECT_METADATA] &&
383 rta_getattr_u8(tb[IFLA_VXLAN_COLLECT_METADATA])) {
384 print_bool(PRINT_ANY, "external", "external", true);
385 return;
386 }
387
a5494df2
SH		 388 if (!tb[IFLA_VXLAN_ID] ||
389 RTA_PAYLOAD(tb[IFLA_VXLAN_ID]) < sizeof(__u32))
390 return;
391
392 vni = rta_getattr_u32(tb[IFLA_VXLAN_ID]);
3b98d9b8 393 print_uint(PRINT_ANY, "id", "id %u ", vni);
a5494df2
SH		 394
395 if (tb[IFLA_VXLAN_GROUP]) {
b64da5a5 396 __be32 addr = rta_getattr_u32(tb[IFLA_VXLAN_GROUP]);
56f5daac 397
7cfa3802
AW		 398 if (addr) {
399 if (IN_MULTICAST(ntohl(addr)))
3b98d9b8
JF		 400 print_string(PRINT_ANY,
401 "group",
402 "group %s ",
403 format_host(AF_INET, 4, &addr));
7cfa3802 404 else
3b98d9b8
JF		 405 print_string(PRINT_ANY,
406 "remote",
407 "remote %s ",
408 format_host(AF_INET, 4, &addr));
7cfa3802 409 }
aa574cd6
WC		 410 } else if (tb[IFLA_VXLAN_GROUP6]) {
411 struct in6_addr addr;
56f5daac 412
aa574cd6 413 memcpy(&addr, RTA_DATA(tb[IFLA_VXLAN_GROUP6]), sizeof(struct in6_addr));
1f4c51c0 414 if (!IN6_IS_ADDR_UNSPECIFIED(&addr)) {
aa574cd6 415 if (IN6_IS_ADDR_MULTICAST(&addr))
3b98d9b8
JF		 416 print_string(PRINT_ANY,
417 "group6",
418 "group %s ",
419 format_host(AF_INET6,
420 sizeof(struct in6_addr),
421 &addr));
aa574cd6 422 else
3b98d9b8
JF		 423 print_string(PRINT_ANY,
424 "remote6",
425 "remote %s ",
426 format_host(AF_INET6,
427 sizeof(struct in6_addr),
428 &addr));
aa574cd6 429 }
a5494df2
SH		 430 }
431
432 if (tb[IFLA_VXLAN_LOCAL]) {
b64da5a5 433 __be32 addr = rta_getattr_u32(tb[IFLA_VXLAN_LOCAL]);
56f5daac 434
a5494df2 435 if (addr)
3b98d9b8
JF		 436 print_string(PRINT_ANY,
437 "local",
438 "local %s ",
439 format_host(AF_INET, 4, &addr));
aa574cd6
WC		 440 } else if (tb[IFLA_VXLAN_LOCAL6]) {
441 struct in6_addr addr;
56f5daac 442
aa574cd6 443 memcpy(&addr, RTA_DATA(tb[IFLA_VXLAN_LOCAL6]), sizeof(struct in6_addr));
1f4c51c0 444 if (!IN6_IS_ADDR_UNSPECIFIED(&addr))
3b98d9b8
JF		 445 print_string(PRINT_ANY,
446 "local6",
447 "local %s ",
448 format_host(AF_INET6,
449 sizeof(struct in6_addr),
450 &addr));
a5494df2
SH		 451 }
452
45d3a6ef
SP		 453 if (tb[IFLA_VXLAN_LINK]) {
454 unsigned int link = rta_getattr_u32(tb[IFLA_VXLAN_LINK]);
a5494df2 455
45d3a6ef
SP		 456 if (link) {
457 print_string(PRINT_ANY, "link", "dev %s ",
458 ll_index_to_name(link));
459 }
a5494df2
SH		 460 }
461
2d596120
SH		 462 if (tb[IFLA_VXLAN_PORT_RANGE]) {
463 const struct ifla_vxlan_port_range *r
464 = RTA_DATA(tb[IFLA_VXLAN_PORT_RANGE]);
3b98d9b8
JF		 465 if (is_json_context()) {
466 open_json_object("port_range");
467 print_uint(PRINT_JSON, "low", NULL, ntohs(r->low));
468 print_uint(PRINT_JSON, "high", NULL, ntohs(r->high));
469 close_json_object();
470 } else {
471 fprintf(f, "srcport %u %u ",
472 ntohs(r->low), ntohs(r->high));
473 }
1556e29d 474 }
2d596120 475
514cdfb4 476 if (tb[IFLA_VXLAN_PORT])
3b98d9b8
JF		 477 print_uint(PRINT_ANY,
478 "port",
479 "dstport %u ",
480 rta_getattr_be16(tb[IFLA_VXLAN_PORT]));
514cdfb4 481
3b98d9b8
JF		 482 if (tb[IFLA_VXLAN_LEARNING]) {
483 __u8 learning = rta_getattr_u8(tb[IFLA_VXLAN_LEARNING]);
484
485 print_bool(PRINT_JSON, "learning", NULL, learning);
486 if (!learning)
487 print_bool(PRINT_FP, NULL, "nolearning ", true);
488 }
1556e29d
DS		 489
490 if (tb[IFLA_VXLAN_PROXY] && rta_getattr_u8(tb[IFLA_VXLAN_PROXY]))
3b98d9b8 491 print_bool(PRINT_ANY, "proxy", "proxy ", true);
1556e29d
DS		 492
493 if (tb[IFLA_VXLAN_RSC] && rta_getattr_u8(tb[IFLA_VXLAN_RSC]))
3b98d9b8 494 print_bool(PRINT_ANY, "rsc", "rsc ", true);
1556e29d
DS		 495
496 if (tb[IFLA_VXLAN_L2MISS] && rta_getattr_u8(tb[IFLA_VXLAN_L2MISS]))
3b98d9b8 497 print_bool(PRINT_ANY, "l2miss", "l2miss ", true);
1556e29d
DS		 498
499 if (tb[IFLA_VXLAN_L3MISS] && rta_getattr_u8(tb[IFLA_VXLAN_L3MISS]))
3b98d9b8 500 print_bool(PRINT_ANY, "l3miss", "l3miss ", true);
1556e29d 501
3caa526c
SP		 502 if (tb[IFLA_VXLAN_TOS])
503 tos = rta_getattr_u8(tb[IFLA_VXLAN_TOS]);
504 if (tos) {
505 if (is_json_context() || tos != 1)
506 print_0xhex(PRINT_ANY, "tos", "tos 0x%x ", tos);
507 else
508 print_string(PRINT_FP, NULL, "tos %s ", "inherit");
a5494df2
SH		 509 }
510
375560c4
SP		 511 if (tb[IFLA_VXLAN_TTL])
512 ttl = rta_getattr_u8(tb[IFLA_VXLAN_TTL]);
513 if (is_json_context() || ttl)
514 print_uint(PRINT_ANY, "ttl", "ttl %u ", ttl);
515 else
516 print_string(PRINT_FP, NULL, "ttl %s ", "inherit");
a5494df2 517
f8eb79a6
DB		 518 if (tb[IFLA_VXLAN_LABEL]) {
519 __u32 label = rta_getattr_u32(tb[IFLA_VXLAN_LABEL]);
520
521 if (label)
3b98d9b8
JF		 522 print_0xhex(PRINT_ANY,
523 "label",
524 "flowlabel %#x ",
525 ntohl(label));
f8eb79a6
DB		 526 }
527
a5494df2
SH		 528 if (tb[IFLA_VXLAN_AGEING]) {
529 __u32 age = rta_getattr_u32(tb[IFLA_VXLAN_AGEING]);
56f5daac 530
a5494df2 531 if (age == 0)
3b98d9b8 532 print_uint(PRINT_ANY, "ageing", "ageing none ", 0);
a5494df2 533 else
3b98d9b8 534 print_uint(PRINT_ANY, "ageing", "ageing %u ", age);
a5494df2 535 }
2d596120
SH		 536
537 if (tb[IFLA_VXLAN_LIMIT] &&
6ad5399c 538 ((maxaddr = rta_getattr_u32(tb[IFLA_VXLAN_LIMIT])) != 0))
3b98d9b8 539 print_uint(PRINT_ANY, "limit", "maxaddr %u ", maxaddr);
666cdc50 540
af325398 541 if (tb[IFLA_VXLAN_UDP_CSUM]) {
3b98d9b8
JF		 542 __u8 udp_csum = rta_getattr_u8(tb[IFLA_VXLAN_UDP_CSUM]);
543
544 if (is_json_context()) {
545 print_bool(PRINT_ANY, "udp_csum", NULL, udp_csum);
546 } else {
547 if (!udp_csum)
548 fputs("no", f);
549 fputs("udpcsum ", f);
550 }
af325398 551 }
666cdc50 552
af325398 553 if (tb[IFLA_VXLAN_UDP_ZERO_CSUM6_TX]) {
3b98d9b8
JF		 554 __u8 csum6 = rta_getattr_u8(tb[IFLA_VXLAN_UDP_ZERO_CSUM6_TX]);
555
556 if (is_json_context()) {
557 print_bool(PRINT_ANY,
558 "udp_zero_csum6_tx", NULL, csum6);
559 } else {
560 if (!csum6)
561 fputs("no", f);
562 fputs("udp6zerocsumtx ", f);
563 }
af325398 564 }
666cdc50 565
af325398 566 if (tb[IFLA_VXLAN_UDP_ZERO_CSUM6_RX]) {
3b98d9b8
JF		 567 __u8 csum6 = rta_getattr_u8(tb[IFLA_VXLAN_UDP_ZERO_CSUM6_RX]);
568
569 if (is_json_context()) {
570 print_bool(PRINT_ANY,
571 "udp_zero_csum6_rx",
572 NULL,
573 csum6);
574 } else {
575 if (!csum6)
576 fputs("no", f);
577 fputs("udp6zerocsumrx ", f);
578 }
af325398 579 }
2eb90dc7 580
35f59d86
TH		 581 if (tb[IFLA_VXLAN_REMCSUM_TX] &&
582 rta_getattr_u8(tb[IFLA_VXLAN_REMCSUM_TX]))
3b98d9b8 583 print_bool(PRINT_ANY, "remcsum_tx", "remcsumtx ", true);
35f59d86
TH		 584
585 if (tb[IFLA_VXLAN_REMCSUM_RX] &&
586 rta_getattr_u8(tb[IFLA_VXLAN_REMCSUM_RX]))
3b98d9b8 587 print_bool(PRINT_ANY, "remcsum_rx", "remcsumrx ", true);
35f59d86 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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