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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"); |
346410bd | 34 | fprintf(f, " [ [no]external ] [ gbp ] [ gpe ]\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; |
346410bd | 82 | __u8 gpe = 0; |
514cdfb4 | 83 | int dst_port_set = 0; |
2d596120 | 84 | struct ifla_vxlan_port_range range = { 0, 0 }; |
a5494df2 SH |
85 | |
86 | while (argc > 0) { | |
87 | if (!matches(*argv, "id") || | |
88 | !matches(*argv, "vni")) { | |
89 | NEXT_ARG(); | |
90 | if (get_u32(&vni, *argv, 0) || | |
91 | vni >= 1u << 24) | |
92 | invarg("invalid id", *argv); | |
93 | vni_set = 1; | |
94 | } else if (!matches(*argv, "group")) { | |
95 | NEXT_ARG(); | |
aa574cd6 WC |
96 | if (!inet_get_addr(*argv, &gaddr, &gaddr6)) { |
97 | fprintf(stderr, "Invalid address \"%s\"\n", *argv); | |
98 | return -1; | |
99 | } | |
100 | if (!IN6_IS_ADDR_MULTICAST(&gaddr6) && !IN_MULTICAST(ntohl(gaddr))) | |
7cfa3802 AW |
101 | invarg("invalid group address", *argv); |
102 | } else if (!matches(*argv, "remote")) { | |
103 | NEXT_ARG(); | |
aa574cd6 WC |
104 | if (!inet_get_addr(*argv, &daddr, &daddr6)) { |
105 | fprintf(stderr, "Invalid address \"%s\"\n", *argv); | |
106 | return -1; | |
107 | } | |
108 | if (IN6_IS_ADDR_MULTICAST(&daddr6) || IN_MULTICAST(ntohl(daddr))) | |
7cfa3802 | 109 | invarg("invalid remote address", *argv); |
a5494df2 SH |
110 | } else if (!matches(*argv, "local")) { |
111 | NEXT_ARG(); | |
aa574cd6 WC |
112 | if (strcmp(*argv, "any")) { |
113 | if (!inet_get_addr(*argv, &saddr, &saddr6)) { | |
114 | fprintf(stderr, "Invalid address \"%s\"\n", *argv); | |
115 | return -1; | |
116 | } | |
117 | } | |
118 | ||
119 | if (IN_MULTICAST(ntohl(saddr)) || IN6_IS_ADDR_MULTICAST(&saddr6)) | |
a5494df2 SH |
120 | invarg("invalid local address", *argv); |
121 | } else if (!matches(*argv, "dev")) { | |
122 | NEXT_ARG(); | |
123 | link = if_nametoindex(*argv); | |
0cb6bb51 CW |
124 | if (link == 0) { |
125 | fprintf(stderr, "Cannot find device \"%s\"\n", | |
126 | *argv); | |
a5494df2 | 127 | exit(-1); |
0cb6bb51 | 128 | } |
a5494df2 SH |
129 | } else if (!matches(*argv, "ttl") || |
130 | !matches(*argv, "hoplimit")) { | |
56f5daac | 131 | unsigned int uval; |
a5494df2 SH |
132 | |
133 | NEXT_ARG(); | |
134 | if (strcmp(*argv, "inherit") != 0) { | |
135 | if (get_unsigned(&uval, *argv, 0)) | |
2d596120 | 136 | invarg("invalid TTL", *argv); |
a5494df2 | 137 | if (uval > 255) |
2d596120 | 138 | invarg("TTL must be <= 255", *argv); |
a5494df2 SH |
139 | ttl = uval; |
140 | } | |
141 | } else if (!matches(*argv, "tos") || | |
142 | !matches(*argv, "dsfield")) { | |
143 | __u32 uval; | |
144 | ||
145 | NEXT_ARG(); | |
146 | if (strcmp(*argv, "inherit") != 0) { | |
147 | if (rtnl_dsfield_a2n(&uval, *argv)) | |
148 | invarg("bad TOS value", *argv); | |
149 | tos = uval; | |
150 | } else | |
151 | tos = 1; | |
f8eb79a6 DB |
152 | } else if (!matches(*argv, "label") || |
153 | !matches(*argv, "flowlabel")) { | |
154 | __u32 uval; | |
155 | ||
156 | NEXT_ARG(); | |
157 | if (get_u32(&uval, *argv, 0) || | |
158 | (uval & ~LABEL_MAX_MASK)) | |
159 | invarg("invalid flowlabel", *argv); | |
160 | label = htonl(uval); | |
a5494df2 SH |
161 | } else if (!matches(*argv, "ageing")) { |
162 | NEXT_ARG(); | |
163 | if (strcmp(*argv, "none") == 0) | |
164 | noage = 1; | |
165 | else if (get_u32(&age, *argv, 0)) | |
2d596120 | 166 | invarg("ageing timer", *argv); |
a5494df2 SH |
167 | } else if (!matches(*argv, "maxaddress")) { |
168 | NEXT_ARG(); | |
169 | if (strcmp(*argv, "unlimited") == 0) | |
170 | maxaddr = 0; | |
171 | else if (get_u32(&maxaddr, *argv, 0)) | |
2d596120 | 172 | invarg("max addresses", *argv); |
514cdfb4 SH |
173 | } else if (!matches(*argv, "port") || |
174 | !matches(*argv, "srcport")) { | |
2d596120 | 175 | NEXT_ARG(); |
9f7401fa | 176 | if (get_be16(&range.low, *argv, 0)) |
2d596120 SH |
177 | invarg("min port", *argv); |
178 | NEXT_ARG(); | |
9f7401fa | 179 | if (get_be16(&range.high, *argv, 0)) |
2d596120 | 180 | invarg("max port", *argv); |
56f5daac | 181 | } else if (!matches(*argv, "dstport")) { |
514cdfb4 SH |
182 | NEXT_ARG(); |
183 | if (get_u16(&dstport, *argv, 0)) | |
184 | invarg("dst port", *argv); | |
185 | dst_port_set = 1; | |
a5494df2 SH |
186 | } else if (!matches(*argv, "nolearning")) { |
187 | learning = 0; | |
188 | } else if (!matches(*argv, "learning")) { | |
189 | learning = 1; | |
1556e29d DS |
190 | } else if (!matches(*argv, "noproxy")) { |
191 | proxy = 0; | |
192 | } else if (!matches(*argv, "proxy")) { | |
193 | proxy = 1; | |
194 | } else if (!matches(*argv, "norsc")) { | |
195 | rsc = 0; | |
196 | } else if (!matches(*argv, "rsc")) { | |
197 | rsc = 1; | |
198 | } else if (!matches(*argv, "nol2miss")) { | |
199 | l2miss = 0; | |
200 | } else if (!matches(*argv, "l2miss")) { | |
201 | l2miss = 1; | |
202 | } else if (!matches(*argv, "nol3miss")) { | |
203 | l3miss = 0; | |
204 | } else if (!matches(*argv, "l3miss")) { | |
205 | l3miss = 1; | |
666cdc50 TH |
206 | } else if (!matches(*argv, "udpcsum")) { |
207 | udpcsum = 1; | |
af325398 | 208 | udpcsum_set = true; |
666cdc50 TH |
209 | } else if (!matches(*argv, "noudpcsum")) { |
210 | udpcsum = 0; | |
af325398 | 211 | udpcsum_set = true; |
666cdc50 TH |
212 | } else if (!matches(*argv, "udp6zerocsumtx")) { |
213 | udp6zerocsumtx = 1; | |
af325398 | 214 | udp6zerocsumtx_set = true; |
666cdc50 TH |
215 | } else if (!matches(*argv, "noudp6zerocsumtx")) { |
216 | udp6zerocsumtx = 0; | |
af325398 | 217 | udp6zerocsumtx_set = true; |
666cdc50 TH |
218 | } else if (!matches(*argv, "udp6zerocsumrx")) { |
219 | udp6zerocsumrx = 1; | |
af325398 | 220 | udp6zerocsumrx_set = true; |
666cdc50 TH |
221 | } else if (!matches(*argv, "noudp6zerocsumrx")) { |
222 | udp6zerocsumrx = 0; | |
af325398 | 223 | udp6zerocsumrx_set = true; |
35f59d86 TH |
224 | } else if (!matches(*argv, "remcsumtx")) { |
225 | remcsumtx = 1; | |
226 | } else if (!matches(*argv, "noremcsumtx")) { | |
227 | remcsumtx = 0; | |
228 | } else if (!matches(*argv, "remcsumrx")) { | |
229 | remcsumrx = 1; | |
230 | } else if (!matches(*argv, "noremcsumrx")) { | |
231 | remcsumrx = 0; | |
e79c327e PA |
232 | } else if (!matches(*argv, "external")) { |
233 | metadata = 1; | |
44df4597 | 234 | learning = 0; |
e79c327e PA |
235 | } else if (!matches(*argv, "noexternal")) { |
236 | metadata = 0; | |
2eb90dc7 TG |
237 | } else if (!matches(*argv, "gbp")) { |
238 | gbp = 1; | |
346410bd JB |
239 | } else if (!matches(*argv, "gpe")) { |
240 | gpe = 1; | |
a5494df2 SH |
241 | } else if (matches(*argv, "help") == 0) { |
242 | explain(); | |
243 | return -1; | |
244 | } else { | |
14645ec2 | 245 | fprintf(stderr, "vxlan: unknown command \"%s\"?\n", *argv); |
a5494df2 SH |
246 | explain(); |
247 | return -1; | |
248 | } | |
249 | argc--, argv++; | |
250 | } | |
2a126a85 | 251 | |
e79c327e PA |
252 | if (metadata && vni_set) { |
253 | fprintf(stderr, "vxlan: both 'external' and vni cannot be specified\n"); | |
254 | return -1; | |
255 | } | |
256 | ||
257 | if (!metadata && !vni_set) { | |
a5494df2 SH |
258 | fprintf(stderr, "vxlan: missing virtual network identifier\n"); |
259 | return -1; | |
260 | } | |
514cdfb4 | 261 | |
aa574cd6 | 262 | if ((gaddr && daddr) || |
1f4c51c0 JB |
263 | (!IN6_IS_ADDR_UNSPECIFIED(&gaddr6) && |
264 | !IN6_IS_ADDR_UNSPECIFIED(&daddr6))) { | |
7cfa3802 AW |
265 | fprintf(stderr, "vxlan: both group and remote cannot be specified\n"); |
266 | return -1; | |
267 | } | |
514cdfb4 | 268 | |
e2cfe550 JB |
269 | if ((gaddr || !IN6_IS_ADDR_UNSPECIFIED(&gaddr6)) && !link) { |
270 | fprintf(stderr, "vxlan: 'group' requires 'dev' to be specified\n"); | |
271 | return -1; | |
272 | } | |
273 | ||
346410bd JB |
274 | if (!dst_port_set && gpe) { |
275 | dstport = 4790; | |
276 | } else if (!dst_port_set) { | |
514cdfb4 SH |
277 | fprintf(stderr, "vxlan: destination port not specified\n" |
278 | "Will use Linux kernel default (non-standard value)\n"); | |
0612519e | 279 | fprintf(stderr, |
514cdfb4 SH |
280 | "Use 'dstport 4789' to get the IANA assigned value\n" |
281 | "Use 'dstport 0' to get default and quiet this message\n"); | |
282 | } | |
283 | ||
a5494df2 | 284 | addattr32(n, 1024, IFLA_VXLAN_ID, vni); |
b64da5a5 SH |
285 | if (gaddr) |
286 | addattr_l(n, 1024, IFLA_VXLAN_GROUP, &gaddr, 4); | |
7cfa3802 AW |
287 | else if (daddr) |
288 | addattr_l(n, 1024, IFLA_VXLAN_GROUP, &daddr, 4); | |
97d564b9 | 289 | else if (!IN6_IS_ADDR_UNSPECIFIED(&gaddr6)) |
aa574cd6 | 290 | addattr_l(n, 1024, IFLA_VXLAN_GROUP6, &gaddr6, sizeof(struct in6_addr)); |
1f4c51c0 | 291 | else if (!IN6_IS_ADDR_UNSPECIFIED(&daddr6)) |
aa574cd6 | 292 | addattr_l(n, 1024, IFLA_VXLAN_GROUP6, &daddr6, sizeof(struct in6_addr)); |
97d564b9 VB |
293 | else if (preferred_family == AF_INET) |
294 | addattr_l(n, 1024, IFLA_VXLAN_GROUP, &daddr, 4); | |
295 | else if (preferred_family == AF_INET6) | |
296 | addattr_l(n, 1024, IFLA_VXLAN_GROUP6, &daddr6, sizeof(struct in6_addr)); | |
aa574cd6 | 297 | |
b64da5a5 SH |
298 | if (saddr) |
299 | addattr_l(n, 1024, IFLA_VXLAN_LOCAL, &saddr, 4); | |
1f4c51c0 | 300 | else if (!IN6_IS_ADDR_UNSPECIFIED(&saddr6)) |
aa574cd6 WC |
301 | addattr_l(n, 1024, IFLA_VXLAN_LOCAL6, &saddr6, sizeof(struct in6_addr)); |
302 | ||
a5494df2 SH |
303 | if (link) |
304 | addattr32(n, 1024, IFLA_VXLAN_LINK, link); | |
f8eb79a6 | 305 | addattr32(n, 1024, IFLA_VXLAN_LABEL, label); |
a5494df2 SH |
306 | addattr8(n, 1024, IFLA_VXLAN_TTL, ttl); |
307 | addattr8(n, 1024, IFLA_VXLAN_TOS, tos); | |
308 | addattr8(n, 1024, IFLA_VXLAN_LEARNING, learning); | |
1556e29d DS |
309 | addattr8(n, 1024, IFLA_VXLAN_PROXY, proxy); |
310 | addattr8(n, 1024, IFLA_VXLAN_RSC, rsc); | |
311 | addattr8(n, 1024, IFLA_VXLAN_L2MISS, l2miss); | |
312 | addattr8(n, 1024, IFLA_VXLAN_L3MISS, l3miss); | |
35f59d86 TH |
313 | addattr8(n, 1024, IFLA_VXLAN_REMCSUM_TX, remcsumtx); |
314 | addattr8(n, 1024, IFLA_VXLAN_REMCSUM_RX, remcsumrx); | |
e79c327e | 315 | addattr8(n, 1024, IFLA_VXLAN_COLLECT_METADATA, metadata); |
514cdfb4 | 316 | |
af325398 JG |
317 | if (udpcsum_set) |
318 | addattr8(n, 1024, IFLA_VXLAN_UDP_CSUM, udpcsum); | |
319 | if (udp6zerocsumtx_set) | |
320 | addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_TX, udp6zerocsumtx); | |
321 | if (udp6zerocsumrx_set) | |
322 | addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_RX, udp6zerocsumrx); | |
a5494df2 SH |
323 | if (noage) |
324 | addattr32(n, 1024, IFLA_VXLAN_AGEING, 0); | |
325 | else if (age) | |
326 | addattr32(n, 1024, IFLA_VXLAN_AGEING, age); | |
327 | if (maxaddr) | |
328 | addattr32(n, 1024, IFLA_VXLAN_LIMIT, maxaddr); | |
2d596120 SH |
329 | if (range.low || range.high) |
330 | addattr_l(n, 1024, IFLA_VXLAN_PORT_RANGE, | |
331 | &range, sizeof(range)); | |
514cdfb4 SH |
332 | if (dstport) |
333 | addattr16(n, 1024, IFLA_VXLAN_PORT, htons(dstport)); | |
a5494df2 | 334 | |
2eb90dc7 TG |
335 | if (gbp) |
336 | addattr_l(n, 1024, IFLA_VXLAN_GBP, NULL, 0); | |
346410bd JB |
337 | if (gpe) |
338 | addattr_l(n, 1024, IFLA_VXLAN_GPE, NULL, 0); | |
2eb90dc7 TG |
339 | |
340 | ||
a5494df2 SH |
341 | return 0; |
342 | } | |
343 | ||
344 | static void vxlan_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[]) | |
345 | { | |
346 | __u32 vni; | |
56f5daac | 347 | unsigned int link; |
2d596120 SH |
348 | __u8 tos; |
349 | __u32 maxaddr; | |
a5494df2 SH |
350 | char s2[64]; |
351 | ||
352 | if (!tb) | |
353 | return; | |
354 | ||
355 | if (!tb[IFLA_VXLAN_ID] || | |
356 | RTA_PAYLOAD(tb[IFLA_VXLAN_ID]) < sizeof(__u32)) | |
357 | return; | |
358 | ||
359 | vni = rta_getattr_u32(tb[IFLA_VXLAN_ID]); | |
360 | fprintf(f, "id %u ", vni); | |
361 | ||
362 | if (tb[IFLA_VXLAN_GROUP]) { | |
b64da5a5 | 363 | __be32 addr = rta_getattr_u32(tb[IFLA_VXLAN_GROUP]); |
56f5daac | 364 | |
7cfa3802 AW |
365 | if (addr) { |
366 | if (IN_MULTICAST(ntohl(addr))) | |
367 | fprintf(f, "group %s ", | |
a418e451 | 368 | format_host(AF_INET, 4, &addr)); |
7cfa3802 AW |
369 | else |
370 | fprintf(f, "remote %s ", | |
a418e451 | 371 | format_host(AF_INET, 4, &addr)); |
7cfa3802 | 372 | } |
aa574cd6 WC |
373 | } else if (tb[IFLA_VXLAN_GROUP6]) { |
374 | struct in6_addr addr; | |
56f5daac | 375 | |
aa574cd6 | 376 | memcpy(&addr, RTA_DATA(tb[IFLA_VXLAN_GROUP6]), sizeof(struct in6_addr)); |
1f4c51c0 | 377 | if (!IN6_IS_ADDR_UNSPECIFIED(&addr)) { |
aa574cd6 WC |
378 | if (IN6_IS_ADDR_MULTICAST(&addr)) |
379 | fprintf(f, "group %s ", | |
a418e451 | 380 | format_host(AF_INET6, sizeof(struct in6_addr), &addr)); |
aa574cd6 WC |
381 | else |
382 | fprintf(f, "remote %s ", | |
a418e451 | 383 | format_host(AF_INET6, sizeof(struct in6_addr), &addr)); |
aa574cd6 | 384 | } |
a5494df2 SH |
385 | } |
386 | ||
387 | if (tb[IFLA_VXLAN_LOCAL]) { | |
b64da5a5 | 388 | __be32 addr = rta_getattr_u32(tb[IFLA_VXLAN_LOCAL]); |
56f5daac | 389 | |
a5494df2 | 390 | if (addr) |
1556e29d | 391 | fprintf(f, "local %s ", |
a418e451 | 392 | format_host(AF_INET, 4, &addr)); |
aa574cd6 WC |
393 | } else if (tb[IFLA_VXLAN_LOCAL6]) { |
394 | struct in6_addr addr; | |
56f5daac | 395 | |
aa574cd6 | 396 | memcpy(&addr, RTA_DATA(tb[IFLA_VXLAN_LOCAL6]), sizeof(struct in6_addr)); |
1f4c51c0 | 397 | if (!IN6_IS_ADDR_UNSPECIFIED(&addr)) |
aa574cd6 | 398 | fprintf(f, "local %s ", |
a418e451 | 399 | format_host(AF_INET6, sizeof(struct in6_addr), &addr)); |
a5494df2 SH |
400 | } |
401 | ||
402 | if (tb[IFLA_VXLAN_LINK] && | |
403 | (link = rta_getattr_u32(tb[IFLA_VXLAN_LINK]))) { | |
404 | const char *n = if_indextoname(link, s2); | |
405 | ||
406 | if (n) | |
407 | fprintf(f, "dev %s ", n); | |
408 | else | |
409 | fprintf(f, "dev %u ", link); | |
410 | } | |
411 | ||
2d596120 SH |
412 | if (tb[IFLA_VXLAN_PORT_RANGE]) { |
413 | const struct ifla_vxlan_port_range *r | |
414 | = RTA_DATA(tb[IFLA_VXLAN_PORT_RANGE]); | |
514cdfb4 | 415 | fprintf(f, "srcport %u %u ", ntohs(r->low), ntohs(r->high)); |
1556e29d | 416 | } |
2d596120 | 417 | |
514cdfb4 SH |
418 | if (tb[IFLA_VXLAN_PORT]) |
419 | fprintf(f, "dstport %u ", | |
aab0f610 | 420 | rta_getattr_be16(tb[IFLA_VXLAN_PORT])); |
514cdfb4 | 421 | |
a5494df2 SH |
422 | if (tb[IFLA_VXLAN_LEARNING] && |
423 | !rta_getattr_u8(tb[IFLA_VXLAN_LEARNING])) | |
424 | fputs("nolearning ", f); | |
1556e29d DS |
425 | |
426 | if (tb[IFLA_VXLAN_PROXY] && rta_getattr_u8(tb[IFLA_VXLAN_PROXY])) | |
427 | fputs("proxy ", f); | |
428 | ||
429 | if (tb[IFLA_VXLAN_RSC] && rta_getattr_u8(tb[IFLA_VXLAN_RSC])) | |
430 | fputs("rsc ", f); | |
431 | ||
432 | if (tb[IFLA_VXLAN_L2MISS] && rta_getattr_u8(tb[IFLA_VXLAN_L2MISS])) | |
433 | fputs("l2miss ", f); | |
434 | ||
435 | if (tb[IFLA_VXLAN_L3MISS] && rta_getattr_u8(tb[IFLA_VXLAN_L3MISS])) | |
436 | fputs("l3miss ", f); | |
437 | ||
2d596120 SH |
438 | if (tb[IFLA_VXLAN_TOS] && |
439 | (tos = rta_getattr_u8(tb[IFLA_VXLAN_TOS]))) { | |
a5494df2 SH |
440 | if (tos == 1) |
441 | fprintf(f, "tos inherit "); | |
442 | else | |
443 | fprintf(f, "tos %#x ", tos); | |
444 | } | |
445 | ||
446 | if (tb[IFLA_VXLAN_TTL]) { | |
447 | __u8 ttl = rta_getattr_u8(tb[IFLA_VXLAN_TTL]); | |
56f5daac | 448 | |
a5494df2 SH |
449 | if (ttl) |
450 | fprintf(f, "ttl %d ", ttl); | |
451 | } | |
452 | ||
f8eb79a6 DB |
453 | if (tb[IFLA_VXLAN_LABEL]) { |
454 | __u32 label = rta_getattr_u32(tb[IFLA_VXLAN_LABEL]); | |
455 | ||
456 | if (label) | |
457 | fprintf(f, "flowlabel %#x ", ntohl(label)); | |
458 | } | |
459 | ||
a5494df2 SH |
460 | if (tb[IFLA_VXLAN_AGEING]) { |
461 | __u32 age = rta_getattr_u32(tb[IFLA_VXLAN_AGEING]); | |
56f5daac | 462 | |
a5494df2 SH |
463 | if (age == 0) |
464 | fprintf(f, "ageing none "); | |
465 | else | |
466 | fprintf(f, "ageing %u ", age); | |
467 | } | |
2d596120 SH |
468 | |
469 | if (tb[IFLA_VXLAN_LIMIT] && | |
6ad5399c | 470 | ((maxaddr = rta_getattr_u32(tb[IFLA_VXLAN_LIMIT])) != 0)) |
2d596120 | 471 | fprintf(f, "maxaddr %u ", maxaddr); |
666cdc50 | 472 | |
af325398 JG |
473 | if (tb[IFLA_VXLAN_UDP_CSUM]) { |
474 | if (!rta_getattr_u8(tb[IFLA_VXLAN_UDP_CSUM])) | |
475 | fputs("no", f); | |
666cdc50 | 476 | fputs("udpcsum ", f); |
af325398 | 477 | } |
666cdc50 | 478 | |
af325398 JG |
479 | if (tb[IFLA_VXLAN_UDP_ZERO_CSUM6_TX]) { |
480 | if (!rta_getattr_u8(tb[IFLA_VXLAN_UDP_ZERO_CSUM6_TX])) | |
481 | fputs("no", f); | |
666cdc50 | 482 | fputs("udp6zerocsumtx ", f); |
af325398 | 483 | } |
666cdc50 | 484 | |
af325398 JG |
485 | if (tb[IFLA_VXLAN_UDP_ZERO_CSUM6_RX]) { |
486 | if (!rta_getattr_u8(tb[IFLA_VXLAN_UDP_ZERO_CSUM6_RX])) | |
487 | fputs("no", f); | |
666cdc50 | 488 | fputs("udp6zerocsumrx ", f); |
af325398 | 489 | } |
2eb90dc7 | 490 | |
35f59d86 TH |
491 | if (tb[IFLA_VXLAN_REMCSUM_TX] && |
492 | rta_getattr_u8(tb[IFLA_VXLAN_REMCSUM_TX])) | |
493 | fputs("remcsumtx ", f); | |
494 | ||
495 | if (tb[IFLA_VXLAN_REMCSUM_RX] && | |
496 | rta_getattr_u8(tb[IFLA_VXLAN_REMCSUM_RX])) | |
497 | fputs("remcsumrx ", f); | |
498 | ||
e79c327e PA |
499 | if (tb[IFLA_VXLAN_COLLECT_METADATA] && |
500 | rta_getattr_u8(tb[IFLA_VXLAN_COLLECT_METADATA])) | |
501 | fputs("external ", f); | |
502 | ||
2eb90dc7 TG |
503 | if (tb[IFLA_VXLAN_GBP]) |
504 | fputs("gbp ", f); | |
346410bd JB |
505 | if (tb[IFLA_VXLAN_GPE]) |
506 | fputs("gpe ", f); | |
a5494df2 SH |
507 | } |
508 | ||
561e650e | 509 | static void vxlan_print_help(struct link_util *lu, int argc, char **argv, |
510 | FILE *f) | |
511 | { | |
512 | print_explain(f); | |
513 | } | |
514 | ||
a5494df2 SH |
515 | struct link_util vxlan_link_util = { |
516 | .id = "vxlan", | |
517 | .maxattr = IFLA_VXLAN_MAX, | |
518 | .parse_opt = vxlan_parse_opt, | |
519 | .print_opt = vxlan_print_opt, | |
561e650e | 520 | .print_help = vxlan_print_help, |
a5494df2 | 521 | }; |