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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 | ||
561e650e | 24 | static void print_explain(FILE *f) |
25 | { | |
5cd64c97 | 26 | fprintf(f, "Usage: ... vxlan id VNI [ { group | remote } IP_ADDRESS ] [ local ADDR ]\n"); |
f8eb79a6 | 27 | fprintf(f, " [ ttl TTL ] [ tos TOS ] [ flowlabel LABEL ] [ dev PHYS_DEV ]\n"); |
561e650e | 28 | fprintf(f, " [ dstport PORT ] [ srcport MIN MAX ]\n"); |
29 | fprintf(f, " [ [no]learning ] [ [no]proxy ] [ [no]rsc ]\n"); | |
30 | fprintf(f, " [ [no]l2miss ] [ [no]l3miss ]\n"); | |
31 | fprintf(f, " [ ageing SECONDS ] [ maxaddress NUMBER ]\n"); | |
666cdc50 | 32 | fprintf(f, " [ [no]udpcsum ] [ [no]udp6zerocsumtx ] [ [no]udp6zerocsumrx ]\n"); |
35f59d86 | 33 | fprintf(f, " [ [no]remcsumtx ] [ [no]remcsumrx ]\n"); |
e79c327e | 34 | fprintf(f, " [ [no]external ] [ gbp ]\n"); |
561e650e | 35 | fprintf(f, "\n"); |
f8eb79a6 DB |
36 | fprintf(f, "Where: VNI := 0-16777215\n"); |
37 | fprintf(f, " ADDR := { IP_ADDRESS | any }\n"); | |
38 | fprintf(f, " TOS := { NUMBER | inherit }\n"); | |
39 | fprintf(f, " TTL := { 1..255 | inherit }\n"); | |
40 | fprintf(f, " LABEL := 0-1048575\n"); | |
561e650e | 41 | } |
42 | ||
a5494df2 SH |
43 | static void explain(void) |
44 | { | |
561e650e | 45 | print_explain(stderr); |
a5494df2 SH |
46 | } |
47 | ||
48 | static int vxlan_parse_opt(struct link_util *lu, int argc, char **argv, | |
49 | struct nlmsghdr *n) | |
50 | { | |
51 | __u32 vni = 0; | |
52 | int vni_set = 0; | |
53 | __u32 saddr = 0; | |
54 | __u32 gaddr = 0; | |
7cfa3802 | 55 | __u32 daddr = 0; |
aa574cd6 WC |
56 | struct in6_addr saddr6 = IN6ADDR_ANY_INIT; |
57 | struct in6_addr gaddr6 = IN6ADDR_ANY_INIT; | |
58 | struct in6_addr daddr6 = IN6ADDR_ANY_INIT; | |
56f5daac | 59 | unsigned int link = 0; |
a5494df2 SH |
60 | __u8 tos = 0; |
61 | __u8 ttl = 0; | |
f8eb79a6 | 62 | __u32 label = 0; |
a5494df2 | 63 | __u8 learning = 1; |
1556e29d DS |
64 | __u8 proxy = 0; |
65 | __u8 rsc = 0; | |
66 | __u8 l2miss = 0; | |
67 | __u8 l3miss = 0; | |
a5494df2 SH |
68 | __u8 noage = 0; |
69 | __u32 age = 0; | |
70 | __u32 maxaddr = 0; | |
514cdfb4 | 71 | __u16 dstport = 0; |
666cdc50 | 72 | __u8 udpcsum = 0; |
af325398 | 73 | bool udpcsum_set = false; |
666cdc50 | 74 | __u8 udp6zerocsumtx = 0; |
af325398 | 75 | bool udp6zerocsumtx_set = false; |
666cdc50 | 76 | __u8 udp6zerocsumrx = 0; |
af325398 | 77 | bool udp6zerocsumrx_set = false; |
35f59d86 TH |
78 | __u8 remcsumtx = 0; |
79 | __u8 remcsumrx = 0; | |
e79c327e | 80 | __u8 metadata = 0; |
2eb90dc7 | 81 | __u8 gbp = 0; |
514cdfb4 | 82 | int dst_port_set = 0; |
2d596120 | 83 | struct ifla_vxlan_port_range range = { 0, 0 }; |
a5494df2 SH |
84 | |
85 | while (argc > 0) { | |
86 | if (!matches(*argv, "id") || | |
87 | !matches(*argv, "vni")) { | |
88 | NEXT_ARG(); | |
89 | if (get_u32(&vni, *argv, 0) || | |
90 | vni >= 1u << 24) | |
91 | invarg("invalid id", *argv); | |
92 | vni_set = 1; | |
93 | } else if (!matches(*argv, "group")) { | |
94 | NEXT_ARG(); | |
aa574cd6 WC |
95 | if (!inet_get_addr(*argv, &gaddr, &gaddr6)) { |
96 | fprintf(stderr, "Invalid address \"%s\"\n", *argv); | |
97 | return -1; | |
98 | } | |
99 | if (!IN6_IS_ADDR_MULTICAST(&gaddr6) && !IN_MULTICAST(ntohl(gaddr))) | |
7cfa3802 AW |
100 | invarg("invalid group address", *argv); |
101 | } else if (!matches(*argv, "remote")) { | |
102 | NEXT_ARG(); | |
aa574cd6 WC |
103 | if (!inet_get_addr(*argv, &daddr, &daddr6)) { |
104 | fprintf(stderr, "Invalid address \"%s\"\n", *argv); | |
105 | return -1; | |
106 | } | |
107 | if (IN6_IS_ADDR_MULTICAST(&daddr6) || IN_MULTICAST(ntohl(daddr))) | |
7cfa3802 | 108 | invarg("invalid remote address", *argv); |
a5494df2 SH |
109 | } else if (!matches(*argv, "local")) { |
110 | NEXT_ARG(); | |
aa574cd6 WC |
111 | if (strcmp(*argv, "any")) { |
112 | if (!inet_get_addr(*argv, &saddr, &saddr6)) { | |
113 | fprintf(stderr, "Invalid address \"%s\"\n", *argv); | |
114 | return -1; | |
115 | } | |
116 | } | |
117 | ||
118 | if (IN_MULTICAST(ntohl(saddr)) || IN6_IS_ADDR_MULTICAST(&saddr6)) | |
a5494df2 SH |
119 | invarg("invalid local address", *argv); |
120 | } else if (!matches(*argv, "dev")) { | |
121 | NEXT_ARG(); | |
122 | link = if_nametoindex(*argv); | |
0cb6bb51 CW |
123 | if (link == 0) { |
124 | fprintf(stderr, "Cannot find device \"%s\"\n", | |
125 | *argv); | |
a5494df2 | 126 | exit(-1); |
0cb6bb51 | 127 | } |
a5494df2 SH |
128 | } else if (!matches(*argv, "ttl") || |
129 | !matches(*argv, "hoplimit")) { | |
56f5daac | 130 | unsigned int uval; |
a5494df2 SH |
131 | |
132 | NEXT_ARG(); | |
133 | if (strcmp(*argv, "inherit") != 0) { | |
134 | if (get_unsigned(&uval, *argv, 0)) | |
2d596120 | 135 | invarg("invalid TTL", *argv); |
a5494df2 | 136 | if (uval > 255) |
2d596120 | 137 | invarg("TTL must be <= 255", *argv); |
a5494df2 SH |
138 | ttl = uval; |
139 | } | |
140 | } else if (!matches(*argv, "tos") || | |
141 | !matches(*argv, "dsfield")) { | |
142 | __u32 uval; | |
143 | ||
144 | NEXT_ARG(); | |
145 | if (strcmp(*argv, "inherit") != 0) { | |
146 | if (rtnl_dsfield_a2n(&uval, *argv)) | |
147 | invarg("bad TOS value", *argv); | |
148 | tos = uval; | |
149 | } else | |
150 | tos = 1; | |
f8eb79a6 DB |
151 | } else if (!matches(*argv, "label") || |
152 | !matches(*argv, "flowlabel")) { | |
153 | __u32 uval; | |
154 | ||
155 | NEXT_ARG(); | |
156 | if (get_u32(&uval, *argv, 0) || | |
157 | (uval & ~LABEL_MAX_MASK)) | |
158 | invarg("invalid flowlabel", *argv); | |
159 | label = htonl(uval); | |
a5494df2 SH |
160 | } else if (!matches(*argv, "ageing")) { |
161 | NEXT_ARG(); | |
162 | if (strcmp(*argv, "none") == 0) | |
163 | noage = 1; | |
164 | else if (get_u32(&age, *argv, 0)) | |
2d596120 | 165 | invarg("ageing timer", *argv); |
a5494df2 SH |
166 | } else if (!matches(*argv, "maxaddress")) { |
167 | NEXT_ARG(); | |
168 | if (strcmp(*argv, "unlimited") == 0) | |
169 | maxaddr = 0; | |
170 | else if (get_u32(&maxaddr, *argv, 0)) | |
2d596120 | 171 | invarg("max addresses", *argv); |
514cdfb4 SH |
172 | } else if (!matches(*argv, "port") || |
173 | !matches(*argv, "srcport")) { | |
2d596120 | 174 | __u16 minport, maxport; |
56f5daac | 175 | |
2d596120 SH |
176 | NEXT_ARG(); |
177 | if (get_u16(&minport, *argv, 0)) | |
178 | invarg("min port", *argv); | |
179 | NEXT_ARG(); | |
180 | if (get_u16(&maxport, *argv, 0)) | |
181 | invarg("max port", *argv); | |
182 | range.low = htons(minport); | |
183 | range.high = htons(maxport); | |
56f5daac | 184 | } else if (!matches(*argv, "dstport")) { |
514cdfb4 SH |
185 | NEXT_ARG(); |
186 | if (get_u16(&dstport, *argv, 0)) | |
187 | invarg("dst port", *argv); | |
188 | dst_port_set = 1; | |
a5494df2 SH |
189 | } else if (!matches(*argv, "nolearning")) { |
190 | learning = 0; | |
191 | } else if (!matches(*argv, "learning")) { | |
192 | learning = 1; | |
1556e29d DS |
193 | } else if (!matches(*argv, "noproxy")) { |
194 | proxy = 0; | |
195 | } else if (!matches(*argv, "proxy")) { | |
196 | proxy = 1; | |
197 | } else if (!matches(*argv, "norsc")) { | |
198 | rsc = 0; | |
199 | } else if (!matches(*argv, "rsc")) { | |
200 | rsc = 1; | |
201 | } else if (!matches(*argv, "nol2miss")) { | |
202 | l2miss = 0; | |
203 | } else if (!matches(*argv, "l2miss")) { | |
204 | l2miss = 1; | |
205 | } else if (!matches(*argv, "nol3miss")) { | |
206 | l3miss = 0; | |
207 | } else if (!matches(*argv, "l3miss")) { | |
208 | l3miss = 1; | |
666cdc50 TH |
209 | } else if (!matches(*argv, "udpcsum")) { |
210 | udpcsum = 1; | |
af325398 | 211 | udpcsum_set = true; |
666cdc50 TH |
212 | } else if (!matches(*argv, "noudpcsum")) { |
213 | udpcsum = 0; | |
af325398 | 214 | udpcsum_set = true; |
666cdc50 TH |
215 | } else if (!matches(*argv, "udp6zerocsumtx")) { |
216 | udp6zerocsumtx = 1; | |
af325398 | 217 | udp6zerocsumtx_set = true; |
666cdc50 TH |
218 | } else if (!matches(*argv, "noudp6zerocsumtx")) { |
219 | udp6zerocsumtx = 0; | |
af325398 | 220 | udp6zerocsumtx_set = true; |
666cdc50 TH |
221 | } else if (!matches(*argv, "udp6zerocsumrx")) { |
222 | udp6zerocsumrx = 1; | |
af325398 | 223 | udp6zerocsumrx_set = true; |
666cdc50 TH |
224 | } else if (!matches(*argv, "noudp6zerocsumrx")) { |
225 | udp6zerocsumrx = 0; | |
af325398 | 226 | udp6zerocsumrx_set = true; |
35f59d86 TH |
227 | } else if (!matches(*argv, "remcsumtx")) { |
228 | remcsumtx = 1; | |
229 | } else if (!matches(*argv, "noremcsumtx")) { | |
230 | remcsumtx = 0; | |
231 | } else if (!matches(*argv, "remcsumrx")) { | |
232 | remcsumrx = 1; | |
233 | } else if (!matches(*argv, "noremcsumrx")) { | |
234 | remcsumrx = 0; | |
e79c327e PA |
235 | } else if (!matches(*argv, "external")) { |
236 | metadata = 1; | |
44df4597 | 237 | learning = 0; |
e79c327e PA |
238 | } else if (!matches(*argv, "noexternal")) { |
239 | metadata = 0; | |
2eb90dc7 TG |
240 | } else if (!matches(*argv, "gbp")) { |
241 | gbp = 1; | |
a5494df2 SH |
242 | } else if (matches(*argv, "help") == 0) { |
243 | explain(); | |
244 | return -1; | |
245 | } else { | |
14645ec2 | 246 | fprintf(stderr, "vxlan: unknown command \"%s\"?\n", *argv); |
a5494df2 SH |
247 | explain(); |
248 | return -1; | |
249 | } | |
250 | argc--, argv++; | |
251 | } | |
2a126a85 | 252 | |
e79c327e PA |
253 | if (metadata && vni_set) { |
254 | fprintf(stderr, "vxlan: both 'external' and vni cannot be specified\n"); | |
255 | return -1; | |
256 | } | |
257 | ||
258 | if (!metadata && !vni_set) { | |
a5494df2 SH |
259 | fprintf(stderr, "vxlan: missing virtual network identifier\n"); |
260 | return -1; | |
261 | } | |
514cdfb4 | 262 | |
aa574cd6 WC |
263 | if ((gaddr && daddr) || |
264 | (memcmp(&gaddr6, &in6addr_any, sizeof(gaddr6)) && | |
265 | memcmp(&daddr6, &in6addr_any, sizeof(daddr6)))) { | |
7cfa3802 AW |
266 | fprintf(stderr, "vxlan: both group and remote cannot be specified\n"); |
267 | return -1; | |
268 | } | |
514cdfb4 SH |
269 | |
270 | if (!dst_port_set) { | |
271 | fprintf(stderr, "vxlan: destination port not specified\n" | |
272 | "Will use Linux kernel default (non-standard value)\n"); | |
0612519e | 273 | fprintf(stderr, |
514cdfb4 SH |
274 | "Use 'dstport 4789' to get the IANA assigned value\n" |
275 | "Use 'dstport 0' to get default and quiet this message\n"); | |
276 | } | |
277 | ||
a5494df2 | 278 | addattr32(n, 1024, IFLA_VXLAN_ID, vni); |
b64da5a5 SH |
279 | if (gaddr) |
280 | addattr_l(n, 1024, IFLA_VXLAN_GROUP, &gaddr, 4); | |
7cfa3802 AW |
281 | else if (daddr) |
282 | addattr_l(n, 1024, IFLA_VXLAN_GROUP, &daddr, 4); | |
aa574cd6 WC |
283 | if (memcmp(&gaddr6, &in6addr_any, sizeof(gaddr6)) != 0) |
284 | addattr_l(n, 1024, IFLA_VXLAN_GROUP6, &gaddr6, sizeof(struct in6_addr)); | |
285 | else if (memcmp(&daddr6, &in6addr_any, sizeof(daddr6)) != 0) | |
286 | addattr_l(n, 1024, IFLA_VXLAN_GROUP6, &daddr6, sizeof(struct in6_addr)); | |
287 | ||
b64da5a5 SH |
288 | if (saddr) |
289 | addattr_l(n, 1024, IFLA_VXLAN_LOCAL, &saddr, 4); | |
aa574cd6 WC |
290 | else if (memcmp(&saddr6, &in6addr_any, sizeof(saddr6)) != 0) |
291 | addattr_l(n, 1024, IFLA_VXLAN_LOCAL6, &saddr6, sizeof(struct in6_addr)); | |
292 | ||
a5494df2 SH |
293 | if (link) |
294 | addattr32(n, 1024, IFLA_VXLAN_LINK, link); | |
f8eb79a6 | 295 | addattr32(n, 1024, IFLA_VXLAN_LABEL, label); |
a5494df2 SH |
296 | addattr8(n, 1024, IFLA_VXLAN_TTL, ttl); |
297 | addattr8(n, 1024, IFLA_VXLAN_TOS, tos); | |
298 | addattr8(n, 1024, IFLA_VXLAN_LEARNING, learning); | |
1556e29d DS |
299 | addattr8(n, 1024, IFLA_VXLAN_PROXY, proxy); |
300 | addattr8(n, 1024, IFLA_VXLAN_RSC, rsc); | |
301 | addattr8(n, 1024, IFLA_VXLAN_L2MISS, l2miss); | |
302 | addattr8(n, 1024, IFLA_VXLAN_L3MISS, l3miss); | |
35f59d86 TH |
303 | addattr8(n, 1024, IFLA_VXLAN_REMCSUM_TX, remcsumtx); |
304 | addattr8(n, 1024, IFLA_VXLAN_REMCSUM_RX, remcsumrx); | |
e79c327e | 305 | addattr8(n, 1024, IFLA_VXLAN_COLLECT_METADATA, metadata); |
514cdfb4 | 306 | |
af325398 JG |
307 | if (udpcsum_set) |
308 | addattr8(n, 1024, IFLA_VXLAN_UDP_CSUM, udpcsum); | |
309 | if (udp6zerocsumtx_set) | |
310 | addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_TX, udp6zerocsumtx); | |
311 | if (udp6zerocsumrx_set) | |
312 | addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_RX, udp6zerocsumrx); | |
a5494df2 SH |
313 | if (noage) |
314 | addattr32(n, 1024, IFLA_VXLAN_AGEING, 0); | |
315 | else if (age) | |
316 | addattr32(n, 1024, IFLA_VXLAN_AGEING, age); | |
317 | if (maxaddr) | |
318 | addattr32(n, 1024, IFLA_VXLAN_LIMIT, maxaddr); | |
2d596120 SH |
319 | if (range.low || range.high) |
320 | addattr_l(n, 1024, IFLA_VXLAN_PORT_RANGE, | |
321 | &range, sizeof(range)); | |
514cdfb4 SH |
322 | if (dstport) |
323 | addattr16(n, 1024, IFLA_VXLAN_PORT, htons(dstport)); | |
a5494df2 | 324 | |
2eb90dc7 TG |
325 | if (gbp) |
326 | addattr_l(n, 1024, IFLA_VXLAN_GBP, NULL, 0); | |
327 | ||
328 | ||
a5494df2 SH |
329 | return 0; |
330 | } | |
331 | ||
332 | static void vxlan_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[]) | |
333 | { | |
334 | __u32 vni; | |
56f5daac | 335 | unsigned int link; |
2d596120 SH |
336 | __u8 tos; |
337 | __u32 maxaddr; | |
a5494df2 SH |
338 | char s2[64]; |
339 | ||
340 | if (!tb) | |
341 | return; | |
342 | ||
343 | if (!tb[IFLA_VXLAN_ID] || | |
344 | RTA_PAYLOAD(tb[IFLA_VXLAN_ID]) < sizeof(__u32)) | |
345 | return; | |
346 | ||
347 | vni = rta_getattr_u32(tb[IFLA_VXLAN_ID]); | |
348 | fprintf(f, "id %u ", vni); | |
349 | ||
350 | if (tb[IFLA_VXLAN_GROUP]) { | |
b64da5a5 | 351 | __be32 addr = rta_getattr_u32(tb[IFLA_VXLAN_GROUP]); |
56f5daac | 352 | |
7cfa3802 AW |
353 | if (addr) { |
354 | if (IN_MULTICAST(ntohl(addr))) | |
355 | fprintf(f, "group %s ", | |
a418e451 | 356 | format_host(AF_INET, 4, &addr)); |
7cfa3802 AW |
357 | else |
358 | fprintf(f, "remote %s ", | |
a418e451 | 359 | format_host(AF_INET, 4, &addr)); |
7cfa3802 | 360 | } |
aa574cd6 WC |
361 | } else if (tb[IFLA_VXLAN_GROUP6]) { |
362 | struct in6_addr addr; | |
56f5daac | 363 | |
aa574cd6 WC |
364 | memcpy(&addr, RTA_DATA(tb[IFLA_VXLAN_GROUP6]), sizeof(struct in6_addr)); |
365 | if (memcmp(&addr, &in6addr_any, sizeof(addr)) != 0) { | |
366 | if (IN6_IS_ADDR_MULTICAST(&addr)) | |
367 | fprintf(f, "group %s ", | |
a418e451 | 368 | format_host(AF_INET6, sizeof(struct in6_addr), &addr)); |
aa574cd6 WC |
369 | else |
370 | fprintf(f, "remote %s ", | |
a418e451 | 371 | format_host(AF_INET6, sizeof(struct in6_addr), &addr)); |
aa574cd6 | 372 | } |
a5494df2 SH |
373 | } |
374 | ||
375 | if (tb[IFLA_VXLAN_LOCAL]) { | |
b64da5a5 | 376 | __be32 addr = rta_getattr_u32(tb[IFLA_VXLAN_LOCAL]); |
56f5daac | 377 | |
a5494df2 | 378 | if (addr) |
1556e29d | 379 | fprintf(f, "local %s ", |
a418e451 | 380 | format_host(AF_INET, 4, &addr)); |
aa574cd6 WC |
381 | } else if (tb[IFLA_VXLAN_LOCAL6]) { |
382 | struct in6_addr addr; | |
56f5daac | 383 | |
aa574cd6 WC |
384 | memcpy(&addr, RTA_DATA(tb[IFLA_VXLAN_LOCAL6]), sizeof(struct in6_addr)); |
385 | if (memcmp(&addr, &in6addr_any, sizeof(addr)) != 0) | |
386 | fprintf(f, "local %s ", | |
a418e451 | 387 | format_host(AF_INET6, sizeof(struct in6_addr), &addr)); |
a5494df2 SH |
388 | } |
389 | ||
390 | if (tb[IFLA_VXLAN_LINK] && | |
391 | (link = rta_getattr_u32(tb[IFLA_VXLAN_LINK]))) { | |
392 | const char *n = if_indextoname(link, s2); | |
393 | ||
394 | if (n) | |
395 | fprintf(f, "dev %s ", n); | |
396 | else | |
397 | fprintf(f, "dev %u ", link); | |
398 | } | |
399 | ||
2d596120 SH |
400 | if (tb[IFLA_VXLAN_PORT_RANGE]) { |
401 | const struct ifla_vxlan_port_range *r | |
402 | = RTA_DATA(tb[IFLA_VXLAN_PORT_RANGE]); | |
514cdfb4 | 403 | fprintf(f, "srcport %u %u ", ntohs(r->low), ntohs(r->high)); |
1556e29d | 404 | } |
2d596120 | 405 | |
514cdfb4 SH |
406 | if (tb[IFLA_VXLAN_PORT]) |
407 | fprintf(f, "dstport %u ", | |
408 | ntohs(rta_getattr_u16(tb[IFLA_VXLAN_PORT]))); | |
409 | ||
a5494df2 SH |
410 | if (tb[IFLA_VXLAN_LEARNING] && |
411 | !rta_getattr_u8(tb[IFLA_VXLAN_LEARNING])) | |
412 | fputs("nolearning ", f); | |
1556e29d DS |
413 | |
414 | if (tb[IFLA_VXLAN_PROXY] && rta_getattr_u8(tb[IFLA_VXLAN_PROXY])) | |
415 | fputs("proxy ", f); | |
416 | ||
417 | if (tb[IFLA_VXLAN_RSC] && rta_getattr_u8(tb[IFLA_VXLAN_RSC])) | |
418 | fputs("rsc ", f); | |
419 | ||
420 | if (tb[IFLA_VXLAN_L2MISS] && rta_getattr_u8(tb[IFLA_VXLAN_L2MISS])) | |
421 | fputs("l2miss ", f); | |
422 | ||
423 | if (tb[IFLA_VXLAN_L3MISS] && rta_getattr_u8(tb[IFLA_VXLAN_L3MISS])) | |
424 | fputs("l3miss ", f); | |
425 | ||
2d596120 SH |
426 | if (tb[IFLA_VXLAN_TOS] && |
427 | (tos = rta_getattr_u8(tb[IFLA_VXLAN_TOS]))) { | |
a5494df2 SH |
428 | if (tos == 1) |
429 | fprintf(f, "tos inherit "); | |
430 | else | |
431 | fprintf(f, "tos %#x ", tos); | |
432 | } | |
433 | ||
434 | if (tb[IFLA_VXLAN_TTL]) { | |
435 | __u8 ttl = rta_getattr_u8(tb[IFLA_VXLAN_TTL]); | |
56f5daac | 436 | |
a5494df2 SH |
437 | if (ttl) |
438 | fprintf(f, "ttl %d ", ttl); | |
439 | } | |
440 | ||
f8eb79a6 DB |
441 | if (tb[IFLA_VXLAN_LABEL]) { |
442 | __u32 label = rta_getattr_u32(tb[IFLA_VXLAN_LABEL]); | |
443 | ||
444 | if (label) | |
445 | fprintf(f, "flowlabel %#x ", ntohl(label)); | |
446 | } | |
447 | ||
a5494df2 SH |
448 | if (tb[IFLA_VXLAN_AGEING]) { |
449 | __u32 age = rta_getattr_u32(tb[IFLA_VXLAN_AGEING]); | |
56f5daac | 450 | |
a5494df2 SH |
451 | if (age == 0) |
452 | fprintf(f, "ageing none "); | |
453 | else | |
454 | fprintf(f, "ageing %u ", age); | |
455 | } | |
2d596120 SH |
456 | |
457 | if (tb[IFLA_VXLAN_LIMIT] && | |
6ad5399c | 458 | ((maxaddr = rta_getattr_u32(tb[IFLA_VXLAN_LIMIT])) != 0)) |
2d596120 | 459 | fprintf(f, "maxaddr %u ", maxaddr); |
666cdc50 | 460 | |
af325398 JG |
461 | if (tb[IFLA_VXLAN_UDP_CSUM]) { |
462 | if (!rta_getattr_u8(tb[IFLA_VXLAN_UDP_CSUM])) | |
463 | fputs("no", f); | |
666cdc50 | 464 | fputs("udpcsum ", f); |
af325398 | 465 | } |
666cdc50 | 466 | |
af325398 JG |
467 | if (tb[IFLA_VXLAN_UDP_ZERO_CSUM6_TX]) { |
468 | if (!rta_getattr_u8(tb[IFLA_VXLAN_UDP_ZERO_CSUM6_TX])) | |
469 | fputs("no", f); | |
666cdc50 | 470 | fputs("udp6zerocsumtx ", f); |
af325398 | 471 | } |
666cdc50 | 472 | |
af325398 JG |
473 | if (tb[IFLA_VXLAN_UDP_ZERO_CSUM6_RX]) { |
474 | if (!rta_getattr_u8(tb[IFLA_VXLAN_UDP_ZERO_CSUM6_RX])) | |
475 | fputs("no", f); | |
666cdc50 | 476 | fputs("udp6zerocsumrx ", f); |
af325398 | 477 | } |
2eb90dc7 | 478 | |
35f59d86 TH |
479 | if (tb[IFLA_VXLAN_REMCSUM_TX] && |
480 | rta_getattr_u8(tb[IFLA_VXLAN_REMCSUM_TX])) | |
481 | fputs("remcsumtx ", f); | |
482 | ||
483 | if (tb[IFLA_VXLAN_REMCSUM_RX] && | |
484 | rta_getattr_u8(tb[IFLA_VXLAN_REMCSUM_RX])) | |
485 | fputs("remcsumrx ", f); | |
486 | ||
e79c327e PA |
487 | if (tb[IFLA_VXLAN_COLLECT_METADATA] && |
488 | rta_getattr_u8(tb[IFLA_VXLAN_COLLECT_METADATA])) | |
489 | fputs("external ", f); | |
490 | ||
2eb90dc7 TG |
491 | if (tb[IFLA_VXLAN_GBP]) |
492 | fputs("gbp ", f); | |
a5494df2 SH |
493 | } |
494 | ||
561e650e | 495 | static void vxlan_print_help(struct link_util *lu, int argc, char **argv, |
496 | FILE *f) | |
497 | { | |
498 | print_explain(f); | |
499 | } | |
500 | ||
a5494df2 SH |
501 | struct link_util vxlan_link_util = { |
502 | .id = "vxlan", | |
503 | .maxattr = IFLA_VXLAN_MAX, | |
504 | .parse_opt = vxlan_parse_opt, | |
505 | .print_opt = vxlan_print_opt, | |
561e650e | 506 | .print_help = vxlan_print_help, |
a5494df2 | 507 | }; |