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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 | ||
01c65995 GM |
24 | #define VXLAN_ATTRSET(attrs, type) (((attrs) & (1L << (type))) != 0) |
25 | ||
561e650e | 26 | static 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 |
59 | static void explain(void) |
60 | { | |
561e650e | 61 | print_explain(stderr); |
a5494df2 SH |
62 | } |
63 | ||
01c65995 GM |
64 | static 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 |
74 | static int vxlan_parse_opt(struct link_util *lu, int argc, char **argv, |
75 | struct nlmsghdr *n) | |
76 | { | |
77 | __u32 vni = 0; | |
a5494df2 | 78 | __u32 gaddr = 0; |
7cfa3802 | 79 | __u32 daddr = 0; |
aa574cd6 WC |
80 | struct in6_addr gaddr6 = IN6ADDR_ANY_INIT; |
81 | struct in6_addr daddr6 = IN6ADDR_ANY_INIT; | |
a5494df2 | 82 | __u8 learning = 1; |
514cdfb4 | 83 | __u16 dstport = 0; |
e79c327e | 84 | __u8 metadata = 0; |
01c65995 GM |
85 | __u64 attrs = 0; |
86 | bool set_op = (n->nlmsg_type == RTM_NEWLINK && | |
87 | !(n->nlmsg_flags & NLM_F_CREATE)); | |
a5494df2 SH |
88 | |
89 | while (argc > 0) { | |
90 | if (!matches(*argv, "id") || | |
91 | !matches(*argv, "vni")) { | |
01c65995 GM |
92 | /* We will add ID attribute outside of the loop since we |
93 | * need to consider metadata information as well. | |
94 | */ | |
a5494df2 | 95 | NEXT_ARG(); |
01c65995 | 96 | check_duparg(&attrs, IFLA_VXLAN_ID, "id", *argv); |
a5494df2 SH |
97 | if (get_u32(&vni, *argv, 0) || |
98 | vni >= 1u << 24) | |
99 | invarg("invalid id", *argv); | |
a5494df2 | 100 | } else if (!matches(*argv, "group")) { |
01c65995 GM |
101 | if (daddr || !IN6_IS_ADDR_UNSPECIFIED(&daddr6)) { |
102 | fprintf(stderr, "vxlan: both group and remote"); | |
103 | fprintf(stderr, " cannot be specified\n"); | |
104 | return -1; | |
105 | } | |
a5494df2 | 106 | NEXT_ARG(); |
01c65995 | 107 | check_duparg(&attrs, IFLA_VXLAN_GROUP, "group", *argv); |
aa574cd6 WC |
108 | if (!inet_get_addr(*argv, &gaddr, &gaddr6)) { |
109 | fprintf(stderr, "Invalid address \"%s\"\n", *argv); | |
110 | return -1; | |
111 | } | |
112 | if (!IN6_IS_ADDR_MULTICAST(&gaddr6) && !IN_MULTICAST(ntohl(gaddr))) | |
7cfa3802 AW |
113 | invarg("invalid group address", *argv); |
114 | } else if (!matches(*argv, "remote")) { | |
01c65995 GM |
115 | if (gaddr || !IN6_IS_ADDR_UNSPECIFIED(&gaddr6)) { |
116 | fprintf(stderr, "vxlan: both group and remote"); | |
117 | fprintf(stderr, " cannot be specified\n"); | |
118 | return -1; | |
119 | } | |
7cfa3802 | 120 | NEXT_ARG(); |
01c65995 | 121 | check_duparg(&attrs, IFLA_VXLAN_GROUP, "remote", *argv); |
aa574cd6 WC |
122 | if (!inet_get_addr(*argv, &daddr, &daddr6)) { |
123 | fprintf(stderr, "Invalid address \"%s\"\n", *argv); | |
124 | return -1; | |
125 | } | |
126 | if (IN6_IS_ADDR_MULTICAST(&daddr6) || IN_MULTICAST(ntohl(daddr))) | |
7cfa3802 | 127 | invarg("invalid remote address", *argv); |
a5494df2 | 128 | } else if (!matches(*argv, "local")) { |
01c65995 GM |
129 | __u32 saddr = 0; |
130 | struct in6_addr saddr6 = IN6ADDR_ANY_INIT; | |
131 | ||
a5494df2 | 132 | NEXT_ARG(); |
01c65995 | 133 | check_duparg(&attrs, IFLA_VXLAN_LOCAL, "local", *argv); |
aa574cd6 WC |
134 | if (strcmp(*argv, "any")) { |
135 | if (!inet_get_addr(*argv, &saddr, &saddr6)) { | |
136 | fprintf(stderr, "Invalid address \"%s\"\n", *argv); | |
137 | return -1; | |
138 | } | |
139 | } | |
140 | ||
141 | if (IN_MULTICAST(ntohl(saddr)) || IN6_IS_ADDR_MULTICAST(&saddr6)) | |
a5494df2 | 142 | invarg("invalid local address", *argv); |
01c65995 GM |
143 | |
144 | if (saddr) | |
145 | addattr_l(n, 1024, IFLA_VXLAN_LOCAL, &saddr, 4); | |
146 | else if (!IN6_IS_ADDR_UNSPECIFIED(&saddr6)) | |
147 | addattr_l(n, 1024, IFLA_VXLAN_LOCAL6, &saddr6, | |
148 | sizeof(struct in6_addr)); | |
a5494df2 | 149 | } else if (!matches(*argv, "dev")) { |
01c65995 GM |
150 | unsigned int link; |
151 | ||
a5494df2 | 152 | NEXT_ARG(); |
01c65995 | 153 | check_duparg(&attrs, IFLA_VXLAN_LINK, "dev", *argv); |
a5494df2 | 154 | link = if_nametoindex(*argv); |
0cb6bb51 CW |
155 | if (link == 0) { |
156 | fprintf(stderr, "Cannot find device \"%s\"\n", | |
157 | *argv); | |
a5494df2 | 158 | exit(-1); |
0cb6bb51 | 159 | } |
01c65995 | 160 | addattr32(n, 1024, IFLA_VXLAN_LINK, link); |
a5494df2 SH |
161 | } else if (!matches(*argv, "ttl") || |
162 | !matches(*argv, "hoplimit")) { | |
56f5daac | 163 | unsigned int uval; |
01c65995 | 164 | __u8 ttl = 0; |
a5494df2 SH |
165 | |
166 | NEXT_ARG(); | |
01c65995 | 167 | check_duparg(&attrs, IFLA_VXLAN_TTL, "ttl", *argv); |
a5494df2 SH |
168 | if (strcmp(*argv, "inherit") != 0) { |
169 | if (get_unsigned(&uval, *argv, 0)) | |
2d596120 | 170 | invarg("invalid TTL", *argv); |
a5494df2 | 171 | if (uval > 255) |
2d596120 | 172 | invarg("TTL must be <= 255", *argv); |
a5494df2 SH |
173 | ttl = uval; |
174 | } | |
01c65995 | 175 | addattr8(n, 1024, IFLA_VXLAN_TTL, ttl); |
a5494df2 SH |
176 | } else if (!matches(*argv, "tos") || |
177 | !matches(*argv, "dsfield")) { | |
178 | __u32 uval; | |
01c65995 | 179 | __u8 tos; |
a5494df2 SH |
180 | |
181 | NEXT_ARG(); | |
01c65995 | 182 | check_duparg(&attrs, IFLA_VXLAN_TOS, "tos", *argv); |
a5494df2 SH |
183 | if (strcmp(*argv, "inherit") != 0) { |
184 | if (rtnl_dsfield_a2n(&uval, *argv)) | |
185 | invarg("bad TOS value", *argv); | |
186 | tos = uval; | |
187 | } else | |
188 | tos = 1; | |
01c65995 | 189 | addattr8(n, 1024, IFLA_VXLAN_TOS, tos); |
f8eb79a6 DB |
190 | } else if (!matches(*argv, "label") || |
191 | !matches(*argv, "flowlabel")) { | |
192 | __u32 uval; | |
193 | ||
194 | NEXT_ARG(); | |
01c65995 GM |
195 | check_duparg(&attrs, IFLA_VXLAN_LABEL, "flowlabel", |
196 | *argv); | |
f8eb79a6 DB |
197 | if (get_u32(&uval, *argv, 0) || |
198 | (uval & ~LABEL_MAX_MASK)) | |
199 | invarg("invalid flowlabel", *argv); | |
01c65995 | 200 | addattr32(n, 1024, IFLA_VXLAN_LABEL, htonl(uval)); |
a5494df2 | 201 | } else if (!matches(*argv, "ageing")) { |
01c65995 GM |
202 | __u32 age; |
203 | ||
a5494df2 | 204 | NEXT_ARG(); |
01c65995 GM |
205 | check_duparg(&attrs, IFLA_VXLAN_AGEING, "ageing", |
206 | *argv); | |
a5494df2 | 207 | if (strcmp(*argv, "none") == 0) |
01c65995 | 208 | age = 0; |
a5494df2 | 209 | else if (get_u32(&age, *argv, 0)) |
2d596120 | 210 | invarg("ageing timer", *argv); |
01c65995 | 211 | addattr32(n, 1024, IFLA_VXLAN_AGEING, age); |
a5494df2 | 212 | } else if (!matches(*argv, "maxaddress")) { |
01c65995 GM |
213 | __u32 maxaddr; |
214 | ||
a5494df2 | 215 | NEXT_ARG(); |
01c65995 GM |
216 | check_duparg(&attrs, IFLA_VXLAN_LIMIT, |
217 | "maxaddress", *argv); | |
a5494df2 SH |
218 | if (strcmp(*argv, "unlimited") == 0) |
219 | maxaddr = 0; | |
220 | else if (get_u32(&maxaddr, *argv, 0)) | |
2d596120 | 221 | invarg("max addresses", *argv); |
01c65995 | 222 | addattr32(n, 1024, IFLA_VXLAN_LIMIT, maxaddr); |
514cdfb4 SH |
223 | } else if (!matches(*argv, "port") || |
224 | !matches(*argv, "srcport")) { | |
01c65995 GM |
225 | struct ifla_vxlan_port_range range = { 0, 0 }; |
226 | ||
2d596120 | 227 | NEXT_ARG(); |
01c65995 GM |
228 | check_duparg(&attrs, IFLA_VXLAN_PORT_RANGE, "srcport", |
229 | *argv); | |
9f7401fa | 230 | if (get_be16(&range.low, *argv, 0)) |
2d596120 SH |
231 | invarg("min port", *argv); |
232 | NEXT_ARG(); | |
9f7401fa | 233 | if (get_be16(&range.high, *argv, 0)) |
2d596120 | 234 | invarg("max port", *argv); |
01c65995 GM |
235 | if (range.low || range.high) { |
236 | addattr_l(n, 1024, IFLA_VXLAN_PORT_RANGE, | |
237 | &range, sizeof(range)); | |
238 | } | |
56f5daac | 239 | } else if (!matches(*argv, "dstport")) { |
514cdfb4 | 240 | NEXT_ARG(); |
01c65995 | 241 | check_duparg(&attrs, IFLA_VXLAN_PORT, "dstport", *argv); |
514cdfb4 SH |
242 | if (get_u16(&dstport, *argv, 0)) |
243 | invarg("dst port", *argv); | |
a5494df2 | 244 | } else if (!matches(*argv, "nolearning")) { |
01c65995 | 245 | check_duparg(&attrs, IFLA_VXLAN_LEARNING, *argv, *argv); |
a5494df2 SH |
246 | learning = 0; |
247 | } else if (!matches(*argv, "learning")) { | |
01c65995 | 248 | check_duparg(&attrs, IFLA_VXLAN_LEARNING, *argv, *argv); |
a5494df2 | 249 | learning = 1; |
1556e29d | 250 | } else if (!matches(*argv, "noproxy")) { |
01c65995 GM |
251 | check_duparg(&attrs, IFLA_VXLAN_PROXY, *argv, *argv); |
252 | addattr8(n, 1024, IFLA_VXLAN_PROXY, 0); | |
1556e29d | 253 | } else if (!matches(*argv, "proxy")) { |
01c65995 GM |
254 | check_duparg(&attrs, IFLA_VXLAN_PROXY, *argv, *argv); |
255 | addattr8(n, 1024, IFLA_VXLAN_PROXY, 1); | |
1556e29d | 256 | } else if (!matches(*argv, "norsc")) { |
01c65995 GM |
257 | check_duparg(&attrs, IFLA_VXLAN_RSC, *argv, *argv); |
258 | addattr8(n, 1024, IFLA_VXLAN_RSC, 0); | |
1556e29d | 259 | } else if (!matches(*argv, "rsc")) { |
01c65995 GM |
260 | check_duparg(&attrs, IFLA_VXLAN_RSC, *argv, *argv); |
261 | addattr8(n, 1024, IFLA_VXLAN_RSC, 1); | |
1556e29d | 262 | } else if (!matches(*argv, "nol2miss")) { |
01c65995 GM |
263 | check_duparg(&attrs, IFLA_VXLAN_L2MISS, *argv, *argv); |
264 | addattr8(n, 1024, IFLA_VXLAN_L2MISS, 0); | |
1556e29d | 265 | } else if (!matches(*argv, "l2miss")) { |
01c65995 GM |
266 | check_duparg(&attrs, IFLA_VXLAN_L2MISS, *argv, *argv); |
267 | addattr8(n, 1024, IFLA_VXLAN_L2MISS, 1); | |
1556e29d | 268 | } else if (!matches(*argv, "nol3miss")) { |
01c65995 GM |
269 | check_duparg(&attrs, IFLA_VXLAN_L3MISS, *argv, *argv); |
270 | addattr8(n, 1024, IFLA_VXLAN_L3MISS, 0); | |
1556e29d | 271 | } else if (!matches(*argv, "l3miss")) { |
01c65995 GM |
272 | check_duparg(&attrs, IFLA_VXLAN_L3MISS, *argv, *argv); |
273 | addattr8(n, 1024, IFLA_VXLAN_L3MISS, 1); | |
666cdc50 | 274 | } else if (!matches(*argv, "udpcsum")) { |
01c65995 GM |
275 | check_duparg(&attrs, IFLA_VXLAN_UDP_CSUM, *argv, *argv); |
276 | addattr8(n, 1024, IFLA_VXLAN_UDP_CSUM, 1); | |
666cdc50 | 277 | } else if (!matches(*argv, "noudpcsum")) { |
01c65995 GM |
278 | check_duparg(&attrs, IFLA_VXLAN_UDP_CSUM, *argv, *argv); |
279 | addattr8(n, 1024, IFLA_VXLAN_UDP_CSUM, 0); | |
666cdc50 | 280 | } else if (!matches(*argv, "udp6zerocsumtx")) { |
01c65995 GM |
281 | check_duparg(&attrs, IFLA_VXLAN_UDP_ZERO_CSUM6_TX, |
282 | *argv, *argv); | |
283 | addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_TX, 1); | |
666cdc50 | 284 | } else if (!matches(*argv, "noudp6zerocsumtx")) { |
01c65995 GM |
285 | check_duparg(&attrs, IFLA_VXLAN_UDP_ZERO_CSUM6_TX, |
286 | *argv, *argv); | |
287 | addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_TX, 0); | |
666cdc50 | 288 | } else if (!matches(*argv, "udp6zerocsumrx")) { |
01c65995 GM |
289 | check_duparg(&attrs, IFLA_VXLAN_UDP_ZERO_CSUM6_RX, |
290 | *argv, *argv); | |
291 | addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_RX, 1); | |
666cdc50 | 292 | } else if (!matches(*argv, "noudp6zerocsumrx")) { |
01c65995 GM |
293 | check_duparg(&attrs, IFLA_VXLAN_UDP_ZERO_CSUM6_RX, |
294 | *argv, *argv); | |
295 | addattr8(n, 1024, IFLA_VXLAN_UDP_ZERO_CSUM6_RX, 0); | |
35f59d86 | 296 | } else if (!matches(*argv, "remcsumtx")) { |
01c65995 GM |
297 | check_duparg(&attrs, IFLA_VXLAN_REMCSUM_TX, |
298 | *argv, *argv); | |
299 | addattr8(n, 1024, IFLA_VXLAN_REMCSUM_TX, 1); | |
35f59d86 | 300 | } else if (!matches(*argv, "noremcsumtx")) { |
01c65995 GM |
301 | check_duparg(&attrs, IFLA_VXLAN_REMCSUM_TX, |
302 | *argv, *argv); | |
303 | addattr8(n, 1024, IFLA_VXLAN_REMCSUM_TX, 0); | |
35f59d86 | 304 | } else if (!matches(*argv, "remcsumrx")) { |
01c65995 GM |
305 | check_duparg(&attrs, IFLA_VXLAN_REMCSUM_RX, |
306 | *argv, *argv); | |
307 | addattr8(n, 1024, IFLA_VXLAN_REMCSUM_RX, 1); | |
35f59d86 | 308 | } else if (!matches(*argv, "noremcsumrx")) { |
01c65995 GM |
309 | check_duparg(&attrs, IFLA_VXLAN_REMCSUM_RX, |
310 | *argv, *argv); | |
311 | addattr8(n, 1024, IFLA_VXLAN_REMCSUM_RX, 0); | |
e79c327e | 312 | } else if (!matches(*argv, "external")) { |
01c65995 GM |
313 | check_duparg(&attrs, IFLA_VXLAN_COLLECT_METADATA, |
314 | *argv, *argv); | |
e79c327e | 315 | metadata = 1; |
44df4597 | 316 | learning = 0; |
01c65995 GM |
317 | /* we will add LEARNING attribute outside of the loop */ |
318 | addattr8(n, 1024, IFLA_VXLAN_COLLECT_METADATA, | |
319 | metadata); | |
e79c327e | 320 | } else if (!matches(*argv, "noexternal")) { |
01c65995 GM |
321 | check_duparg(&attrs, IFLA_VXLAN_COLLECT_METADATA, |
322 | *argv, *argv); | |
e79c327e | 323 | metadata = 0; |
01c65995 GM |
324 | addattr8(n, 1024, IFLA_VXLAN_COLLECT_METADATA, |
325 | metadata); | |
2eb90dc7 | 326 | } else if (!matches(*argv, "gbp")) { |
01c65995 GM |
327 | check_duparg(&attrs, IFLA_VXLAN_GBP, *argv, *argv); |
328 | addattr_l(n, 1024, IFLA_VXLAN_GBP, NULL, 0); | |
346410bd | 329 | } else if (!matches(*argv, "gpe")) { |
01c65995 GM |
330 | check_duparg(&attrs, IFLA_VXLAN_GPE, *argv, *argv); |
331 | addattr_l(n, 1024, IFLA_VXLAN_GPE, NULL, 0); | |
a5494df2 SH |
332 | } else if (matches(*argv, "help") == 0) { |
333 | explain(); | |
334 | return -1; | |
335 | } else { | |
14645ec2 | 336 | fprintf(stderr, "vxlan: unknown command \"%s\"?\n", *argv); |
a5494df2 SH |
337 | explain(); |
338 | return -1; | |
339 | } | |
340 | argc--, argv++; | |
341 | } | |
2a126a85 | 342 | |
01c65995 | 343 | if (metadata && VXLAN_ATTRSET(attrs, IFLA_VXLAN_ID)) { |
e79c327e PA |
344 | fprintf(stderr, "vxlan: both 'external' and vni cannot be specified\n"); |
345 | return -1; | |
346 | } | |
347 | ||
b6fae788 | 348 | if (!metadata && !VXLAN_ATTRSET(attrs, IFLA_VXLAN_ID) && !set_op) { |
a5494df2 SH |
349 | fprintf(stderr, "vxlan: missing virtual network identifier\n"); |
350 | return -1; | |
351 | } | |
514cdfb4 | 352 | |
01c65995 GM |
353 | if ((gaddr || !IN6_IS_ADDR_UNSPECIFIED(&gaddr6)) && |
354 | !VXLAN_ATTRSET(attrs, IFLA_VXLAN_LINK)) { | |
e2cfe550 JB |
355 | fprintf(stderr, "vxlan: 'group' requires 'dev' to be specified\n"); |
356 | return -1; | |
357 | } | |
358 | ||
01c65995 GM |
359 | if (!VXLAN_ATTRSET(attrs, IFLA_VXLAN_PORT) && |
360 | VXLAN_ATTRSET(attrs, IFLA_VXLAN_GPE)) { | |
346410bd | 361 | dstport = 4790; |
01c65995 | 362 | } else if (!VXLAN_ATTRSET(attrs, IFLA_VXLAN_PORT) && !set_op) { |
514cdfb4 SH |
363 | fprintf(stderr, "vxlan: destination port not specified\n" |
364 | "Will use Linux kernel default (non-standard value)\n"); | |
0612519e | 365 | fprintf(stderr, |
514cdfb4 SH |
366 | "Use 'dstport 4789' to get the IANA assigned value\n" |
367 | "Use 'dstport 0' to get default and quiet this message\n"); | |
368 | } | |
369 | ||
b6fae788 RS |
370 | if (VXLAN_ATTRSET(attrs, IFLA_VXLAN_ID)) |
371 | addattr32(n, 1024, IFLA_VXLAN_ID, vni); | |
b64da5a5 SH |
372 | if (gaddr) |
373 | addattr_l(n, 1024, IFLA_VXLAN_GROUP, &gaddr, 4); | |
7cfa3802 AW |
374 | else if (daddr) |
375 | addattr_l(n, 1024, IFLA_VXLAN_GROUP, &daddr, 4); | |
97d564b9 | 376 | else if (!IN6_IS_ADDR_UNSPECIFIED(&gaddr6)) |
aa574cd6 | 377 | addattr_l(n, 1024, IFLA_VXLAN_GROUP6, &gaddr6, sizeof(struct in6_addr)); |
1f4c51c0 | 378 | else if (!IN6_IS_ADDR_UNSPECIFIED(&daddr6)) |
aa574cd6 | 379 | addattr_l(n, 1024, IFLA_VXLAN_GROUP6, &daddr6, sizeof(struct in6_addr)); |
97d564b9 VB |
380 | else if (preferred_family == AF_INET) |
381 | addattr_l(n, 1024, IFLA_VXLAN_GROUP, &daddr, 4); | |
382 | else if (preferred_family == AF_INET6) | |
383 | addattr_l(n, 1024, IFLA_VXLAN_GROUP6, &daddr6, sizeof(struct in6_addr)); | |
aa574cd6 | 384 | |
01c65995 GM |
385 | if (!set_op || VXLAN_ATTRSET(attrs, IFLA_VXLAN_LEARNING)) |
386 | addattr8(n, 1024, IFLA_VXLAN_LEARNING, learning); | |
514cdfb4 | 387 | |
514cdfb4 SH |
388 | if (dstport) |
389 | addattr16(n, 1024, IFLA_VXLAN_PORT, htons(dstport)); | |
a5494df2 SH |
390 | |
391 | return 0; | |
392 | } | |
393 | ||
394 | static void vxlan_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[]) | |
395 | { | |
396 | __u32 vni; | |
375560c4 | 397 | __u8 ttl = 0; |
2d596120 SH |
398 | __u8 tos; |
399 | __u32 maxaddr; | |
a5494df2 SH |
400 | |
401 | if (!tb) | |
402 | return; | |
403 | ||
404 | if (!tb[IFLA_VXLAN_ID] || | |
405 | RTA_PAYLOAD(tb[IFLA_VXLAN_ID]) < sizeof(__u32)) | |
406 | return; | |
407 | ||
408 | vni = rta_getattr_u32(tb[IFLA_VXLAN_ID]); | |
3b98d9b8 | 409 | print_uint(PRINT_ANY, "id", "id %u ", vni); |
a5494df2 SH |
410 | |
411 | if (tb[IFLA_VXLAN_GROUP]) { | |
b64da5a5 | 412 | __be32 addr = rta_getattr_u32(tb[IFLA_VXLAN_GROUP]); |
56f5daac | 413 | |
7cfa3802 AW |
414 | if (addr) { |
415 | if (IN_MULTICAST(ntohl(addr))) | |
3b98d9b8 JF |
416 | print_string(PRINT_ANY, |
417 | "group", | |
418 | "group %s ", | |
419 | format_host(AF_INET, 4, &addr)); | |
7cfa3802 | 420 | else |
3b98d9b8 JF |
421 | print_string(PRINT_ANY, |
422 | "remote", | |
423 | "remote %s ", | |
424 | format_host(AF_INET, 4, &addr)); | |
7cfa3802 | 425 | } |
aa574cd6 WC |
426 | } else if (tb[IFLA_VXLAN_GROUP6]) { |
427 | struct in6_addr addr; | |
56f5daac | 428 | |
aa574cd6 | 429 | memcpy(&addr, RTA_DATA(tb[IFLA_VXLAN_GROUP6]), sizeof(struct in6_addr)); |
1f4c51c0 | 430 | if (!IN6_IS_ADDR_UNSPECIFIED(&addr)) { |
aa574cd6 | 431 | if (IN6_IS_ADDR_MULTICAST(&addr)) |
3b98d9b8 JF |
432 | print_string(PRINT_ANY, |
433 | "group6", | |
434 | "group %s ", | |
435 | format_host(AF_INET6, | |
436 | sizeof(struct in6_addr), | |
437 | &addr)); | |
aa574cd6 | 438 | else |
3b98d9b8 JF |
439 | print_string(PRINT_ANY, |
440 | "remote6", | |
441 | "remote %s ", | |
442 | format_host(AF_INET6, | |
443 | sizeof(struct in6_addr), | |
444 | &addr)); | |
aa574cd6 | 445 | } |
a5494df2 SH |
446 | } |
447 | ||
448 | if (tb[IFLA_VXLAN_LOCAL]) { | |
b64da5a5 | 449 | __be32 addr = rta_getattr_u32(tb[IFLA_VXLAN_LOCAL]); |
56f5daac | 450 | |
a5494df2 | 451 | if (addr) |
3b98d9b8 JF |
452 | print_string(PRINT_ANY, |
453 | "local", | |
454 | "local %s ", | |
455 | format_host(AF_INET, 4, &addr)); | |
aa574cd6 WC |
456 | } else if (tb[IFLA_VXLAN_LOCAL6]) { |
457 | struct in6_addr addr; | |
56f5daac | 458 | |
aa574cd6 | 459 | memcpy(&addr, RTA_DATA(tb[IFLA_VXLAN_LOCAL6]), sizeof(struct in6_addr)); |
1f4c51c0 | 460 | if (!IN6_IS_ADDR_UNSPECIFIED(&addr)) |
3b98d9b8 JF |
461 | print_string(PRINT_ANY, |
462 | "local6", | |
463 | "local %s ", | |
464 | format_host(AF_INET6, | |
465 | sizeof(struct in6_addr), | |
466 | &addr)); | |
a5494df2 SH |
467 | } |
468 | ||
45d3a6ef SP |
469 | if (tb[IFLA_VXLAN_LINK]) { |
470 | unsigned int link = rta_getattr_u32(tb[IFLA_VXLAN_LINK]); | |
a5494df2 | 471 | |
45d3a6ef SP |
472 | if (link) { |
473 | print_string(PRINT_ANY, "link", "dev %s ", | |
474 | ll_index_to_name(link)); | |
475 | } | |
a5494df2 SH |
476 | } |
477 | ||
2d596120 SH |
478 | if (tb[IFLA_VXLAN_PORT_RANGE]) { |
479 | const struct ifla_vxlan_port_range *r | |
480 | = RTA_DATA(tb[IFLA_VXLAN_PORT_RANGE]); | |
3b98d9b8 JF |
481 | if (is_json_context()) { |
482 | open_json_object("port_range"); | |
483 | print_uint(PRINT_JSON, "low", NULL, ntohs(r->low)); | |
484 | print_uint(PRINT_JSON, "high", NULL, ntohs(r->high)); | |
485 | close_json_object(); | |
486 | } else { | |
487 | fprintf(f, "srcport %u %u ", | |
488 | ntohs(r->low), ntohs(r->high)); | |
489 | } | |
1556e29d | 490 | } |
2d596120 | 491 | |
514cdfb4 | 492 | if (tb[IFLA_VXLAN_PORT]) |
3b98d9b8 JF |
493 | print_uint(PRINT_ANY, |
494 | "port", | |
495 | "dstport %u ", | |
496 | rta_getattr_be16(tb[IFLA_VXLAN_PORT])); | |
514cdfb4 | 497 | |
3b98d9b8 JF |
498 | if (tb[IFLA_VXLAN_LEARNING]) { |
499 | __u8 learning = rta_getattr_u8(tb[IFLA_VXLAN_LEARNING]); | |
500 | ||
501 | print_bool(PRINT_JSON, "learning", NULL, learning); | |
502 | if (!learning) | |
503 | print_bool(PRINT_FP, NULL, "nolearning ", true); | |
504 | } | |
1556e29d DS |
505 | |
506 | if (tb[IFLA_VXLAN_PROXY] && rta_getattr_u8(tb[IFLA_VXLAN_PROXY])) | |
3b98d9b8 | 507 | print_bool(PRINT_ANY, "proxy", "proxy ", true); |
1556e29d DS |
508 | |
509 | if (tb[IFLA_VXLAN_RSC] && rta_getattr_u8(tb[IFLA_VXLAN_RSC])) | |
3b98d9b8 | 510 | print_bool(PRINT_ANY, "rsc", "rsc ", true); |
1556e29d DS |
511 | |
512 | if (tb[IFLA_VXLAN_L2MISS] && rta_getattr_u8(tb[IFLA_VXLAN_L2MISS])) | |
3b98d9b8 | 513 | print_bool(PRINT_ANY, "l2miss", "l2miss ", true); |
1556e29d DS |
514 | |
515 | if (tb[IFLA_VXLAN_L3MISS] && rta_getattr_u8(tb[IFLA_VXLAN_L3MISS])) | |
3b98d9b8 | 516 | print_bool(PRINT_ANY, "l3miss", "l3miss ", true); |
1556e29d | 517 | |
2d596120 SH |
518 | if (tb[IFLA_VXLAN_TOS] && |
519 | (tos = rta_getattr_u8(tb[IFLA_VXLAN_TOS]))) { | |
3b98d9b8 JF |
520 | if (is_json_context()) { |
521 | print_0xhex(PRINT_JSON, "tos", "%#x", tos); | |
522 | } else { | |
523 | if (tos == 1) | |
524 | fprintf(f, "tos %s ", "inherit"); | |
525 | else | |
526 | fprintf(f, "tos %#x ", tos); | |
527 | } | |
a5494df2 SH |
528 | } |
529 | ||
375560c4 SP |
530 | if (tb[IFLA_VXLAN_TTL]) |
531 | ttl = rta_getattr_u8(tb[IFLA_VXLAN_TTL]); | |
532 | if (is_json_context() || ttl) | |
533 | print_uint(PRINT_ANY, "ttl", "ttl %u ", ttl); | |
534 | else | |
535 | print_string(PRINT_FP, NULL, "ttl %s ", "inherit"); | |
a5494df2 | 536 | |
f8eb79a6 DB |
537 | if (tb[IFLA_VXLAN_LABEL]) { |
538 | __u32 label = rta_getattr_u32(tb[IFLA_VXLAN_LABEL]); | |
539 | ||
540 | if (label) | |
3b98d9b8 JF |
541 | print_0xhex(PRINT_ANY, |
542 | "label", | |
543 | "flowlabel %#x ", | |
544 | ntohl(label)); | |
f8eb79a6 DB |
545 | } |
546 | ||
a5494df2 SH |
547 | if (tb[IFLA_VXLAN_AGEING]) { |
548 | __u32 age = rta_getattr_u32(tb[IFLA_VXLAN_AGEING]); | |
56f5daac | 549 | |
a5494df2 | 550 | if (age == 0) |
3b98d9b8 | 551 | print_uint(PRINT_ANY, "ageing", "ageing none ", 0); |
a5494df2 | 552 | else |
3b98d9b8 | 553 | print_uint(PRINT_ANY, "ageing", "ageing %u ", age); |
a5494df2 | 554 | } |
2d596120 SH |
555 | |
556 | if (tb[IFLA_VXLAN_LIMIT] && | |
6ad5399c | 557 | ((maxaddr = rta_getattr_u32(tb[IFLA_VXLAN_LIMIT])) != 0)) |
3b98d9b8 | 558 | print_uint(PRINT_ANY, "limit", "maxaddr %u ", maxaddr); |
666cdc50 | 559 | |
af325398 | 560 | if (tb[IFLA_VXLAN_UDP_CSUM]) { |
3b98d9b8 JF |
561 | __u8 udp_csum = rta_getattr_u8(tb[IFLA_VXLAN_UDP_CSUM]); |
562 | ||
563 | if (is_json_context()) { | |
564 | print_bool(PRINT_ANY, "udp_csum", NULL, udp_csum); | |
565 | } else { | |
566 | if (!udp_csum) | |
567 | fputs("no", f); | |
568 | fputs("udpcsum ", f); | |
569 | } | |
af325398 | 570 | } |
666cdc50 | 571 | |
af325398 | 572 | if (tb[IFLA_VXLAN_UDP_ZERO_CSUM6_TX]) { |
3b98d9b8 JF |
573 | __u8 csum6 = rta_getattr_u8(tb[IFLA_VXLAN_UDP_ZERO_CSUM6_TX]); |
574 | ||
575 | if (is_json_context()) { | |
576 | print_bool(PRINT_ANY, | |
577 | "udp_zero_csum6_tx", NULL, csum6); | |
578 | } else { | |
579 | if (!csum6) | |
580 | fputs("no", f); | |
581 | fputs("udp6zerocsumtx ", f); | |
582 | } | |
af325398 | 583 | } |
666cdc50 | 584 | |
af325398 | 585 | if (tb[IFLA_VXLAN_UDP_ZERO_CSUM6_RX]) { |
3b98d9b8 JF |
586 | __u8 csum6 = rta_getattr_u8(tb[IFLA_VXLAN_UDP_ZERO_CSUM6_RX]); |
587 | ||
588 | if (is_json_context()) { | |
589 | print_bool(PRINT_ANY, | |
590 | "udp_zero_csum6_rx", | |
591 | NULL, | |
592 | csum6); | |
593 | } else { | |
594 | if (!csum6) | |
595 | fputs("no", f); | |
596 | fputs("udp6zerocsumrx ", f); | |
597 | } | |
af325398 | 598 | } |
2eb90dc7 | 599 | |
35f59d86 TH |
600 | if (tb[IFLA_VXLAN_REMCSUM_TX] && |
601 | rta_getattr_u8(tb[IFLA_VXLAN_REMCSUM_TX])) | |
3b98d9b8 | 602 | print_bool(PRINT_ANY, "remcsum_tx", "remcsumtx ", true); |
35f59d86 TH |
603 | |
604 | if (tb[IFLA_VXLAN_REMCSUM_RX] && | |
605 | rta_getattr_u8(tb[IFLA_VXLAN_REMCSUM_RX])) | |
3b98d9b8 | 606 | print_bool(PRINT_ANY, "remcsum_rx", "remcsumrx ", true); |
35f59d86 | 607 | |
e79c327e PA |
608 | if (tb[IFLA_VXLAN_COLLECT_METADATA] && |
609 | rta_getattr_u8(tb[IFLA_VXLAN_COLLECT_METADATA])) | |
3b98d9b8 | 610 | print_bool(PRINT_ANY, "collect_metadata", "external ", true); |
e79c327e | 611 | |
2eb90dc7 | 612 | if (tb[IFLA_VXLAN_GBP]) |
3b98d9b8 | 613 | print_bool(PRINT_ANY, "gbp", "gbp ", true); |
346410bd | 614 | if (tb[IFLA_VXLAN_GPE]) |
3b98d9b8 | 615 | print_bool(PRINT_ANY, "gpe", "gpe ", true); |
a5494df2 SH |
616 | } |
617 | ||
561e650e | 618 | static void vxlan_print_help(struct link_util *lu, int argc, char **argv, |
3b98d9b8 | 619 | FILE *f) |
561e650e | 620 | { |
621 | print_explain(f); | |
622 | } | |
623 | ||
a5494df2 SH |
624 | struct link_util vxlan_link_util = { |
625 | .id = "vxlan", | |
626 | .maxattr = IFLA_VXLAN_MAX, | |
627 | .parse_opt = vxlan_parse_opt, | |
628 | .print_opt = vxlan_print_opt, | |
561e650e | 629 | .print_help = vxlan_print_help, |
a5494df2 | 630 | }; |