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9447a0d3 MN |
1 | /* |
2 | * Copyright (C)2006 USAGI/WIDE Project | |
ae665a52 | 3 | * |
9447a0d3 MN |
4 | * This program is free software; you can redistribute it and/or modify |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation; either version 2 of the License, or | |
7 | * (at your option) any later version. | |
ae665a52 | 8 | * |
9447a0d3 MN |
9 | * This program is distributed in the hope that it will be useful, |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
ae665a52 | 13 | * |
9447a0d3 | 14 | * You should have received a copy of the GNU General Public License |
4d98ab00 | 15 | * along with this program; if not, see <http://www.gnu.org/licenses>. |
9447a0d3 | 16 | */ |
9447a0d3 MN |
17 | /* |
18 | * Author: | |
19 | * Masahide NAKAMURA @USAGI | |
20 | */ | |
ae665a52 | 21 | |
9447a0d3 MN |
22 | #include <stdio.h> |
23 | #include <string.h> | |
24 | #include <stdlib.h> | |
9447a0d3 | 25 | #include <unistd.h> |
288384f2 MN |
26 | #include <sys/types.h> |
27 | #include <sys/socket.h> | |
9447a0d3 | 28 | #include <arpa/inet.h> |
288384f2 | 29 | #include <sys/ioctl.h> |
9447a0d3 | 30 | #include <linux/ip.h> |
288384f2 MN |
31 | #include <linux/if.h> |
32 | #include <linux/if_arp.h> | |
9447a0d3 | 33 | #include <linux/if_tunnel.h> |
288384f2 | 34 | #include <linux/ip6_tunnel.h> |
9447a0d3 | 35 | |
288384f2 MN |
36 | #include "utils.h" |
37 | #include "tunnel.h" | |
ea71beac | 38 | #include "ip_common.h" |
9447a0d3 | 39 | |
288384f2 MN |
40 | #define IP6_FLOWINFO_TCLASS htonl(0x0FF00000) |
41 | #define IP6_FLOWINFO_FLOWLABEL htonl(0x000FFFFF) | |
9447a0d3 | 42 | |
288384f2 MN |
43 | #define DEFAULT_TNL_HOP_LIMIT (64) |
44 | ||
45 | static void usage(void) __attribute__((noreturn)); | |
9447a0d3 MN |
46 | |
47 | static void usage(void) | |
48 | { | |
288384f2 | 49 | fprintf(stderr, "Usage: ip -f inet6 tunnel { add | change | del | show } [ NAME ]\n"); |
f36d1140 | 50 | fprintf(stderr, " [ mode { ip6ip6 | ipip6 | ip6gre | vti6 | any } ]\n"); |
288384f2 MN |
51 | fprintf(stderr, " [ remote ADDR local ADDR ] [ dev PHYS_DEV ]\n"); |
52 | fprintf(stderr, " [ encaplimit ELIM ]\n"); | |
56f5daac | 53 | fprintf(stderr, " [ hoplimit TTL ] [ tclass TCLASS ] [ flowlabel FLOWLABEL ]\n"); |
288384f2 | 54 | fprintf(stderr, " [ dscp inherit ]\n"); |
21440d19 | 55 | fprintf(stderr, " [ [no]allow-localremote ]\n"); |
af89576d | 56 | fprintf(stderr, " [ [i|o]seq ] [ [i|o]key KEY ] [ [i|o]csum ]\n"); |
288384f2 | 57 | fprintf(stderr, "\n"); |
eddde110 YH |
58 | fprintf(stderr, "Where: NAME := STRING\n"); |
59 | fprintf(stderr, " ADDR := IPV6_ADDRESS\n"); | |
60 | fprintf(stderr, " ELIM := { none | 0..255 }(default=%d)\n", | |
288384f2 | 61 | IPV6_DEFAULT_TNL_ENCAP_LIMIT); |
eddde110 | 62 | fprintf(stderr, " TTL := 0..255 (default=%d)\n", |
288384f2 | 63 | DEFAULT_TNL_HOP_LIMIT); |
d0c8420c | 64 | fprintf(stderr, " TCLASS := { 0x0..0xff | inherit }\n"); |
eddde110 | 65 | fprintf(stderr, " FLOWLABEL := { 0x0..0xfffff | inherit }\n"); |
af89576d | 66 | fprintf(stderr, " KEY := { DOTTED_QUAD | NUMBER }\n"); |
9447a0d3 MN |
67 | exit(-1); |
68 | } | |
69 | ||
3e953938 | 70 | static void print_tunnel(const void *t) |
9447a0d3 | 71 | { |
3e953938 | 72 | const struct ip6_tnl_parm2 *p = t; |
9af72f81 PS |
73 | char s1[1024]; |
74 | char s2[1024]; | |
9447a0d3 | 75 | |
9af72f81 PS |
76 | /* Do not use format_host() for local addr, |
77 | * symbolic name will not be useful. | |
78 | */ | |
288384f2 | 79 | printf("%s: %s/ipv6 remote %s local %s", |
9af72f81 PS |
80 | p->name, |
81 | tnl_strproto(p->proto), | |
a418e451 | 82 | format_host_r(AF_INET6, 16, &p->raddr, s1, sizeof(s1)), |
2e96d2cc | 83 | rt_addr_n2a_r(AF_INET6, 16, &p->laddr, s2, sizeof(s2))); |
9447a0d3 | 84 | if (p->link) { |
ea71beac | 85 | const char *n = ll_index_to_name(p->link); |
56f5daac | 86 | |
9447a0d3 MN |
87 | if (n) |
88 | printf(" dev %s", n); | |
89 | } | |
9447a0d3 | 90 | |
288384f2 MN |
91 | if (p->flags & IP6_TNL_F_IGN_ENCAP_LIMIT) |
92 | printf(" encaplimit none"); | |
93 | else | |
94 | printf(" encaplimit %u", p->encap_limit); | |
9447a0d3 | 95 | |
375560c4 SP |
96 | if (p->hop_limit) |
97 | printf(" hoplimit %u", p->hop_limit); | |
98 | else | |
99 | printf(" hoplimit inherit"); | |
9447a0d3 | 100 | |
288384f2 | 101 | if (p->flags & IP6_TNL_F_USE_ORIG_TCLASS) |
eddde110 | 102 | printf(" tclass inherit"); |
288384f2 MN |
103 | else { |
104 | __u32 val = ntohl(p->flowinfo & IP6_FLOWINFO_TCLASS); | |
56f5daac | 105 | |
eddde110 | 106 | printf(" tclass 0x%02x", (__u8)(val >> 20)); |
9447a0d3 | 107 | } |
9447a0d3 | 108 | |
288384f2 | 109 | if (p->flags & IP6_TNL_F_USE_ORIG_FLOWLABEL) |
eddde110 | 110 | printf(" flowlabel inherit"); |
288384f2 | 111 | else |
eddde110 | 112 | printf(" flowlabel 0x%05x", ntohl(p->flowinfo & IP6_FLOWINFO_FLOWLABEL)); |
9447a0d3 | 113 | |
288384f2 | 114 | printf(" (flowinfo 0x%08x)", ntohl(p->flowinfo)); |
9447a0d3 | 115 | |
288384f2 MN |
116 | if (p->flags & IP6_TNL_F_RCV_DSCP_COPY) |
117 | printf(" dscp inherit"); | |
af89576d | 118 | |
21440d19 SL |
119 | if (p->flags & IP6_TNL_F_ALLOW_LOCAL_REMOTE) |
120 | printf(" allow-localremote"); | |
121 | ||
40f9070d DF |
122 | if ((p->i_flags & GRE_KEY) && (p->o_flags & GRE_KEY) && |
123 | p->o_key == p->i_key) | |
124 | printf(" key %u", ntohl(p->i_key)); | |
125 | else { | |
126 | if (p->i_flags & GRE_KEY) | |
127 | printf(" ikey %u", ntohl(p->i_key)); | |
128 | if (p->o_flags & GRE_KEY) | |
129 | printf(" okey %u", ntohl(p->o_key)); | |
130 | } | |
af89576d | 131 | |
40f9070d | 132 | if (p->proto == IPPROTO_GRE) { |
04ce8d3e | 133 | if (p->i_flags & GRE_SEQ) |
4cb8d030 | 134 | printf("%s Drop packets out of sequence.", _SL_); |
04ce8d3e | 135 | if (p->i_flags & GRE_CSUM) |
af89576d | 136 | printf("%s Checksum in received packet is required.", _SL_); |
04ce8d3e | 137 | if (p->o_flags & GRE_SEQ) |
af89576d | 138 | printf("%s Sequence packets on output.", _SL_); |
04ce8d3e | 139 | if (p->o_flags & GRE_CSUM) |
af89576d | 140 | printf("%s Checksum output packets.", _SL_); |
141 | } | |
9447a0d3 MN |
142 | } |
143 | ||
af89576d | 144 | static int parse_args(int argc, char **argv, int cmd, struct ip6_tnl_parm2 *p) |
9447a0d3 | 145 | { |
21a5a6b3 | 146 | int count = 0; |
26111ab1 | 147 | const char *medium = NULL; |
9447a0d3 MN |
148 | |
149 | while (argc > 0) { | |
0b959b0f YH |
150 | if (strcmp(*argv, "mode") == 0) { |
151 | NEXT_ARG(); | |
152 | if (strcmp(*argv, "ipv6/ipv6") == 0 || | |
153 | strcmp(*argv, "ip6ip6") == 0) | |
154 | p->proto = IPPROTO_IPV6; | |
f36d1140 SK |
155 | else if (strcmp(*argv, "vti6") == 0) { |
156 | p->proto = IPPROTO_IPV6; | |
157 | p->i_flags |= VTI_ISVTI; | |
158 | } else if (strcmp(*argv, "ip/ipv6") == 0 || | |
0b959b0f YH |
159 | strcmp(*argv, "ipv4/ipv6") == 0 || |
160 | strcmp(*argv, "ipip6") == 0 || | |
161 | strcmp(*argv, "ip4ip6") == 0) | |
162 | p->proto = IPPROTO_IPIP; | |
af89576d | 163 | else if (strcmp(*argv, "ip6gre") == 0 || |
164 | strcmp(*argv, "gre/ipv6") == 0) | |
165 | p->proto = IPPROTO_GRE; | |
0b959b0f YH |
166 | else if (strcmp(*argv, "any/ipv6") == 0 || |
167 | strcmp(*argv, "any") == 0) | |
168 | p->proto = 0; | |
169 | else { | |
56f5daac | 170 | fprintf(stderr, "Unknown tunnel mode \"%s\"\n", *argv); |
4b726cb1 SH |
171 | exit(-1); |
172 | } | |
173 | } else if (strcmp(*argv, "remote") == 0) { | |
288384f2 | 174 | inet_prefix raddr; |
56f5daac | 175 | |
288384f2 | 176 | NEXT_ARG(); |
9aceaad7 | 177 | get_addr(&raddr, *argv, AF_INET6); |
288384f2 MN |
178 | memcpy(&p->raddr, &raddr.data, sizeof(p->raddr)); |
179 | } else if (strcmp(*argv, "local") == 0) { | |
180 | inet_prefix laddr; | |
56f5daac | 181 | |
288384f2 | 182 | NEXT_ARG(); |
9aceaad7 | 183 | get_addr(&laddr, *argv, AF_INET6); |
288384f2 MN |
184 | memcpy(&p->laddr, &laddr.data, sizeof(p->laddr)); |
185 | } else if (strcmp(*argv, "dev") == 0) { | |
186 | NEXT_ARG(); | |
26111ab1 | 187 | medium = *argv; |
288384f2 MN |
188 | } else if (strcmp(*argv, "encaplimit") == 0) { |
189 | NEXT_ARG(); | |
190 | if (strcmp(*argv, "none") == 0) { | |
191 | p->flags |= IP6_TNL_F_IGN_ENCAP_LIMIT; | |
9447a0d3 MN |
192 | } else { |
193 | __u8 uval; | |
56f5daac | 194 | |
288384f2 MN |
195 | if (get_u8(&uval, *argv, 0) < -1) |
196 | invarg("invalid ELIM", *argv); | |
9447a0d3 | 197 | p->encap_limit = uval; |
3f83dce5 | 198 | p->flags &= ~IP6_TNL_F_IGN_ENCAP_LIMIT; |
9447a0d3 | 199 | } |
eddde110 YH |
200 | } else if (strcmp(*argv, "hoplimit") == 0 || |
201 | strcmp(*argv, "ttl") == 0 || | |
202 | strcmp(*argv, "hlim") == 0) { | |
288384f2 | 203 | __u8 uval; |
56f5daac | 204 | |
288384f2 MN |
205 | NEXT_ARG(); |
206 | if (get_u8(&uval, *argv, 0)) | |
eddde110 | 207 | invarg("invalid TTL", *argv); |
288384f2 | 208 | p->hop_limit = uval; |
eddde110 YH |
209 | } else if (strcmp(*argv, "tclass") == 0 || |
210 | strcmp(*argv, "tc") == 0 || | |
211 | strcmp(*argv, "tos") == 0 || | |
212 | matches(*argv, "dsfield") == 0) { | |
288384f2 | 213 | __u8 uval; |
56f5daac | 214 | |
288384f2 | 215 | NEXT_ARG(); |
df5574d0 | 216 | p->flowinfo &= ~IP6_FLOWINFO_TCLASS; |
288384f2 MN |
217 | if (strcmp(*argv, "inherit") == 0) |
218 | p->flags |= IP6_TNL_F_USE_ORIG_TCLASS; | |
219 | else { | |
220 | if (get_u8(&uval, *argv, 16)) | |
eddde110 | 221 | invarg("invalid TClass", *argv); |
288384f2 MN |
222 | p->flowinfo |= htonl((__u32)uval << 20) & IP6_FLOWINFO_TCLASS; |
223 | p->flags &= ~IP6_TNL_F_USE_ORIG_TCLASS; | |
224 | } | |
eddde110 YH |
225 | } else if (strcmp(*argv, "flowlabel") == 0 || |
226 | strcmp(*argv, "fl") == 0) { | |
288384f2 | 227 | __u32 uval; |
56f5daac | 228 | |
288384f2 | 229 | NEXT_ARG(); |
df5574d0 | 230 | p->flowinfo &= ~IP6_FLOWINFO_FLOWLABEL; |
288384f2 MN |
231 | if (strcmp(*argv, "inherit") == 0) |
232 | p->flags |= IP6_TNL_F_USE_ORIG_FLOWLABEL; | |
233 | else { | |
234 | if (get_u32(&uval, *argv, 16)) | |
eddde110 | 235 | invarg("invalid Flowlabel", *argv); |
288384f2 | 236 | if (uval > 0xFFFFF) |
eddde110 | 237 | invarg("invalid Flowlabel", *argv); |
288384f2 MN |
238 | p->flowinfo |= htonl(uval) & IP6_FLOWINFO_FLOWLABEL; |
239 | p->flags &= ~IP6_TNL_F_USE_ORIG_FLOWLABEL; | |
240 | } | |
241 | } else if (strcmp(*argv, "dscp") == 0) { | |
242 | NEXT_ARG(); | |
243 | if (strcmp(*argv, "inherit") != 0) | |
244 | invarg("not inherit", *argv); | |
245 | p->flags |= IP6_TNL_F_RCV_DSCP_COPY; | |
21440d19 SL |
246 | } else if (strcmp(*argv, "allow-localremote") == 0) { |
247 | p->flags |= IP6_TNL_F_ALLOW_LOCAL_REMOTE; | |
248 | } else if (strcmp(*argv, "noallow-localremote") == 0) { | |
249 | p->flags &= ~IP6_TNL_F_ALLOW_LOCAL_REMOTE; | |
af89576d | 250 | } else if (strcmp(*argv, "key") == 0) { |
af89576d | 251 | NEXT_ARG(); |
252 | p->i_flags |= GRE_KEY; | |
253 | p->o_flags |= GRE_KEY; | |
a7ed1520 | 254 | p->i_key = p->o_key = tnl_parse_key("key", *argv); |
af89576d | 255 | } else if (strcmp(*argv, "ikey") == 0) { |
af89576d | 256 | NEXT_ARG(); |
257 | p->i_flags |= GRE_KEY; | |
a7ed1520 | 258 | p->i_key = tnl_parse_key("ikey", *argv); |
af89576d | 259 | } else if (strcmp(*argv, "okey") == 0) { |
af89576d | 260 | NEXT_ARG(); |
261 | p->o_flags |= GRE_KEY; | |
a7ed1520 | 262 | p->o_key = tnl_parse_key("okey", *argv); |
af89576d | 263 | } else if (strcmp(*argv, "seq") == 0) { |
264 | p->i_flags |= GRE_SEQ; | |
265 | p->o_flags |= GRE_SEQ; | |
266 | } else if (strcmp(*argv, "iseq") == 0) { | |
267 | p->i_flags |= GRE_SEQ; | |
268 | } else if (strcmp(*argv, "oseq") == 0) { | |
269 | p->o_flags |= GRE_SEQ; | |
270 | } else if (strcmp(*argv, "csum") == 0) { | |
271 | p->i_flags |= GRE_CSUM; | |
272 | p->o_flags |= GRE_CSUM; | |
273 | } else if (strcmp(*argv, "icsum") == 0) { | |
274 | p->i_flags |= GRE_CSUM; | |
275 | } else if (strcmp(*argv, "ocsum") == 0) { | |
276 | p->o_flags |= GRE_CSUM; | |
9447a0d3 | 277 | } else { |
288384f2 MN |
278 | if (strcmp(*argv, "name") == 0) { |
279 | NEXT_ARG(); | |
7894ce77 | 280 | } else if (matches(*argv, "help") == 0) |
9447a0d3 | 281 | usage(); |
288384f2 MN |
282 | if (p->name[0]) |
283 | duparg2("name", *argv); | |
625df645 PS |
284 | if (get_ifname(p->name, *argv)) |
285 | invarg("\"name\" not a valid ifname", *argv); | |
21a5a6b3 | 286 | if (cmd == SIOCCHGTUNNEL && count == 0) { |
d17b136f | 287 | struct ip6_tnl_parm2 old_p = {}; |
56f5daac | 288 | |
21a5a6b3 JB |
289 | if (tnl_get_ioctl(*argv, &old_p)) |
290 | return -1; | |
291 | *p = old_p; | |
292 | } | |
9447a0d3 | 293 | } |
21a5a6b3 | 294 | count++; |
9447a0d3 MN |
295 | argc--; argv++; |
296 | } | |
26111ab1 | 297 | if (medium) { |
ea71beac | 298 | p->link = ll_name_to_index(medium); |
fe99adbc SP |
299 | if (!p->link) |
300 | return nodev(medium); | |
9447a0d3 MN |
301 | } |
302 | return 0; | |
303 | } | |
304 | ||
af89576d | 305 | static void ip6_tnl_parm_init(struct ip6_tnl_parm2 *p, int apply_default) |
288384f2 MN |
306 | { |
307 | memset(p, 0, sizeof(*p)); | |
308 | p->proto = IPPROTO_IPV6; | |
309 | if (apply_default) { | |
310 | p->hop_limit = DEFAULT_TNL_HOP_LIMIT; | |
311 | p->encap_limit = IPV6_DEFAULT_TNL_ENCAP_LIMIT; | |
312 | } | |
313 | } | |
314 | ||
3e953938 SP |
315 | static void ip6_tnl_parm_initialize(const struct tnl_print_nlmsg_info *info) |
316 | { | |
317 | const struct ifinfomsg *ifi = info->ifi; | |
318 | const struct ip6_tnl_parm2 *p1 = info->p1; | |
319 | struct ip6_tnl_parm2 *p2 = info->p2; | |
320 | ||
321 | ip6_tnl_parm_init(p2, 0); | |
322 | if (ifi->ifi_type == ARPHRD_IP6GRE) | |
323 | p2->proto = IPPROTO_GRE; | |
324 | p2->link = ifi->ifi_index; | |
325 | strcpy(p2->name, p1->name); | |
326 | } | |
327 | ||
328 | static bool ip6_tnl_parm_match(const struct tnl_print_nlmsg_info *info) | |
288384f2 | 329 | { |
3e953938 SP |
330 | const struct ip6_tnl_parm2 *p1 = info->p1; |
331 | const struct ip6_tnl_parm2 *p2 = info->p2; | |
332 | ||
288384f2 MN |
333 | return ((!p1->link || p1->link == p2->link) && |
334 | (!p1->name[0] || strcmp(p1->name, p2->name) == 0) && | |
1f4c51c0 JB |
335 | (IN6_IS_ADDR_UNSPECIFIED(&p1->laddr) || |
336 | IN6_ARE_ADDR_EQUAL(&p1->laddr, &p2->laddr)) && | |
337 | (IN6_IS_ADDR_UNSPECIFIED(&p1->raddr) || | |
338 | IN6_ARE_ADDR_EQUAL(&p1->raddr, &p2->raddr)) && | |
288384f2 MN |
339 | (!p1->proto || !p2->proto || p1->proto == p2->proto) && |
340 | (!p1->encap_limit || p1->encap_limit == p2->encap_limit) && | |
341 | (!p1->hop_limit || p1->hop_limit == p2->hop_limit) && | |
342 | (!(p1->flowinfo & IP6_FLOWINFO_TCLASS) || | |
343 | !((p1->flowinfo ^ p2->flowinfo) & IP6_FLOWINFO_TCLASS)) && | |
344 | (!(p1->flowinfo & IP6_FLOWINFO_FLOWLABEL) || | |
345 | !((p1->flowinfo ^ p2->flowinfo) & IP6_FLOWINFO_FLOWLABEL)) && | |
346 | (!p1->flags || (p1->flags & p2->flags))); | |
347 | } | |
348 | ||
9447a0d3 MN |
349 | static int do_show(int argc, char **argv) |
350 | { | |
3e953938 | 351 | struct ip6_tnl_parm2 p, p1; |
288384f2 MN |
352 | |
353 | ip6_tnl_parm_init(&p, 0); | |
c3651bf4 | 354 | p.proto = 0; /* default to any */ |
9447a0d3 | 355 | |
56f5daac SH |
356 | if (parse_args(argc, argv, SIOCGETTUNNEL, &p) < 0) |
357 | return -1; | |
9447a0d3 | 358 | |
3e953938 SP |
359 | if (!p.name[0] || show_stats) { |
360 | struct tnl_print_nlmsg_info info = { | |
361 | .p1 = &p, | |
362 | .p2 = &p1, | |
363 | .init = ip6_tnl_parm_initialize, | |
364 | .match = ip6_tnl_parm_match, | |
365 | .print = print_tunnel, | |
366 | }; | |
367 | ||
368 | return do_tunnels_list(&info); | |
369 | } | |
ec895940 SP |
370 | |
371 | if (tnl_get_ioctl(p.name, &p)) | |
372 | return -1; | |
9447a0d3 | 373 | |
ec895940 SP |
374 | print_tunnel(&p); |
375 | fputc('\n', stdout); | |
56f5daac | 376 | return 0; |
9447a0d3 MN |
377 | } |
378 | ||
9447a0d3 MN |
379 | static int do_add(int cmd, int argc, char **argv) |
380 | { | |
af89576d | 381 | struct ip6_tnl_parm2 p; |
a0638e18 | 382 | const char *basedev = "ip6tnl0"; |
288384f2 MN |
383 | |
384 | ip6_tnl_parm_init(&p, 1); | |
9447a0d3 | 385 | |
21a5a6b3 | 386 | if (parse_args(argc, argv, cmd, &p) < 0) |
9447a0d3 | 387 | return -1; |
288384f2 | 388 | |
a0638e18 AA |
389 | if (p.proto == IPPROTO_GRE) |
390 | basedev = "ip6gre0"; | |
391 | else if (p.i_flags & VTI_ISVTI) | |
392 | basedev = "ip6_vti0"; | |
393 | ||
394 | return tnl_add_ioctl(cmd, basedev, p.name, &p); | |
9447a0d3 MN |
395 | } |
396 | ||
288384f2 | 397 | static int do_del(int argc, char **argv) |
9447a0d3 | 398 | { |
af89576d | 399 | struct ip6_tnl_parm2 p; |
a0638e18 | 400 | const char *basedev = "ip6tnl0"; |
288384f2 MN |
401 | |
402 | ip6_tnl_parm_init(&p, 1); | |
9447a0d3 | 403 | |
21a5a6b3 | 404 | if (parse_args(argc, argv, SIOCDELTUNNEL, &p) < 0) |
9447a0d3 MN |
405 | return -1; |
406 | ||
a0638e18 AA |
407 | if (p.proto == IPPROTO_GRE) |
408 | basedev = "ip6gre0"; | |
409 | else if (p.i_flags & VTI_ISVTI) | |
410 | basedev = "ip6_vti0"; | |
411 | ||
412 | return tnl_del_ioctl(basedev, p.name, &p); | |
9447a0d3 MN |
413 | } |
414 | ||
ae665a52 SH |
415 | int do_ip6tunnel(int argc, char **argv) |
416 | { | |
288384f2 MN |
417 | switch (preferred_family) { |
418 | case AF_UNSPEC: | |
419 | preferred_family = AF_INET6; | |
420 | break; | |
421 | case AF_INET6: | |
422 | break; | |
423 | default: | |
14645ec2 | 424 | fprintf(stderr, "Unsupported protocol family: %d\n", preferred_family); |
288384f2 MN |
425 | exit(-1); |
426 | } | |
427 | ||
9447a0d3 | 428 | if (argc > 0) { |
288384f2 | 429 | if (matches(*argv, "add") == 0) |
9447a0d3 | 430 | return do_add(SIOCADDTUNNEL, argc - 1, argv + 1); |
288384f2 | 431 | if (matches(*argv, "change") == 0) |
9447a0d3 | 432 | return do_add(SIOCCHGTUNNEL, argc - 1, argv + 1); |
6e30461e | 433 | if (matches(*argv, "delete") == 0) |
9447a0d3 | 434 | return do_del(argc - 1, argv + 1); |
288384f2 MN |
435 | if (matches(*argv, "show") == 0 || |
436 | matches(*argv, "lst") == 0 || | |
437 | matches(*argv, "list") == 0) | |
9447a0d3 | 438 | return do_show(argc - 1, argv + 1); |
288384f2 | 439 | if (matches(*argv, "help") == 0) |
9447a0d3 | 440 | usage(); |
9447a0d3 MN |
441 | } else |
442 | return do_show(0, NULL); | |
443 | ||
288384f2 MN |
444 | fprintf(stderr, "Command \"%s\" is unknown, try \"ip -f inet6 tunnel help\".\n", *argv); |
445 | exit(-1); | |
9447a0d3 | 446 | } |