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