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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 | { | |
8589eb4e MC |
49 | fprintf(stderr, |
50 | "Usage: ip -f inet6 tunnel { add | change | del | show } [ NAME ]\n" | |
51 | " [ mode { ip6ip6 | ipip6 | ip6gre | vti6 | any } ]\n" | |
52 | " [ remote ADDR local ADDR ] [ dev PHYS_DEV ]\n" | |
53 | " [ encaplimit ELIM ]\n" | |
54 | " [ hoplimit TTL ] [ tclass TCLASS ] [ flowlabel FLOWLABEL ]\n" | |
55 | " [ dscp inherit ]\n" | |
56 | " [ [no]allow-localremote ]\n" | |
57 | " [ [i|o]seq ] [ [i|o]key KEY ] [ [i|o]csum ]\n" | |
58 | "\n" | |
59 | "Where: NAME := STRING\n" | |
60 | " ADDR := IPV6_ADDRESS\n" | |
61 | " ELIM := { none | 0..255 }(default=%d)\n" | |
62 | " TTL := 0..255 (default=%d)\n" | |
63 | " TCLASS := { 0x0..0xff | inherit }\n" | |
64 | " FLOWLABEL := { 0x0..0xfffff | inherit }\n" | |
65 | " KEY := { DOTTED_QUAD | NUMBER }\n", | |
66 | IPV6_DEFAULT_TNL_ENCAP_LIMIT, | |
288384f2 | 67 | DEFAULT_TNL_HOP_LIMIT); |
9447a0d3 MN |
68 | exit(-1); |
69 | } | |
70 | ||
3e953938 | 71 | static void print_tunnel(const void *t) |
9447a0d3 | 72 | { |
3e953938 | 73 | const struct ip6_tnl_parm2 *p = t; |
a8360dd3 | 74 | SPRINT_BUF(b1); |
9447a0d3 | 75 | |
9af72f81 PS |
76 | /* Do not use format_host() for local addr, |
77 | * symbolic name will not be useful. | |
78 | */ | |
a8360dd3 AC |
79 | open_json_object(NULL); |
80 | print_color_string(PRINT_ANY, COLOR_IFNAME, "ifname", "%s: ", p->name); | |
81 | snprintf(b1, sizeof(b1), "%s/ipv6", tnl_strproto(p->proto)); | |
82 | print_string(PRINT_ANY, "mode", "%s ", b1); | |
83 | print_string(PRINT_FP, NULL, "%s", "remote "); | |
84 | print_color_string(PRINT_ANY, COLOR_INET6, "remote", "%s ", | |
85 | format_host_r(AF_INET6, 16, &p->raddr, b1, sizeof(b1))); | |
86 | print_string(PRINT_FP, NULL, "%s", "local "); | |
87 | print_color_string(PRINT_ANY, COLOR_INET6, "local", "%s", | |
88 | rt_addr_n2a_r(AF_INET6, 16, &p->laddr, b1, sizeof(b1))); | |
89 | ||
9447a0d3 | 90 | if (p->link) { |
ea71beac | 91 | const char *n = ll_index_to_name(p->link); |
56f5daac | 92 | |
9447a0d3 | 93 | if (n) |
a8360dd3 | 94 | print_string(PRINT_ANY, "link", " dev %s", n); |
9447a0d3 | 95 | } |
9447a0d3 | 96 | |
288384f2 | 97 | if (p->flags & IP6_TNL_F_IGN_ENCAP_LIMIT) |
a8360dd3 AC |
98 | print_null(PRINT_ANY, "ip6_tnl_f_ign_encap_limit", |
99 | " encaplimit none", NULL); | |
288384f2 | 100 | else |
a8360dd3 AC |
101 | print_uint(PRINT_ANY, "encap_limit", " encaplimit %u", |
102 | p->encap_limit); | |
9447a0d3 | 103 | |
375560c4 | 104 | if (p->hop_limit) |
a8360dd3 | 105 | print_uint(PRINT_ANY, "hoplimit", " hoplimit %u", p->hop_limit); |
375560c4 | 106 | else |
a8360dd3 | 107 | print_string(PRINT_FP, "hoplimit", " hoplimit %s", "inherit"); |
9447a0d3 | 108 | |
a8360dd3 AC |
109 | if (p->flags & IP6_TNL_F_USE_ORIG_TCLASS) { |
110 | print_null(PRINT_ANY, "ip6_tnl_f_use_orig_tclass", | |
111 | " tclass inherit", NULL); | |
112 | } else { | |
288384f2 | 113 | __u32 val = ntohl(p->flowinfo & IP6_FLOWINFO_TCLASS); |
56f5daac | 114 | |
a8360dd3 AC |
115 | snprintf(b1, sizeof(b1), "0x%02x", (__u8)(val >> 20)); |
116 | print_string(PRINT_ANY, "tclass", " tclass %s", b1); | |
9447a0d3 | 117 | } |
9447a0d3 | 118 | |
a8360dd3 AC |
119 | if (p->flags & IP6_TNL_F_USE_ORIG_FLOWLABEL) { |
120 | print_null(PRINT_ANY, "ip6_tnl_f_use_orig_flowlabel", | |
121 | " flowlabel inherit", NULL); | |
122 | } else { | |
123 | __u32 val = ntohl(p->flowinfo & IP6_FLOWINFO_FLOWLABEL); | |
9447a0d3 | 124 | |
a8360dd3 AC |
125 | snprintf(b1, sizeof(b1), "0x%05x", val); |
126 | print_string(PRINT_ANY, "flowlabel", " flowlabel %s", b1); | |
127 | } | |
128 | ||
129 | snprintf(b1, sizeof(b1), "0x%08x", ntohl(p->flowinfo)); | |
130 | print_string(PRINT_ANY, "flowinfo", " (flowinfo %s)", b1); | |
9447a0d3 | 131 | |
288384f2 | 132 | if (p->flags & IP6_TNL_F_RCV_DSCP_COPY) |
a8360dd3 AC |
133 | print_null(PRINT_ANY, "ip6_tnl_f_rcv_dscp_copy", |
134 | " dscp inherit", NULL); | |
af89576d | 135 | |
21440d19 | 136 | if (p->flags & IP6_TNL_F_ALLOW_LOCAL_REMOTE) |
a8360dd3 AC |
137 | print_null(PRINT_ANY, "ip6_tnl_f_allow_local_remote", |
138 | " allow-localremote", NULL); | |
21440d19 | 139 | |
ee713339 AC |
140 | tnl_print_gre_flags(p->proto, p->i_flags, p->o_flags, |
141 | p->i_key, p->o_key); | |
a8360dd3 AC |
142 | |
143 | close_json_object(); | |
9447a0d3 MN |
144 | } |
145 | ||
af89576d | 146 | static int parse_args(int argc, char **argv, int cmd, struct ip6_tnl_parm2 *p) |
9447a0d3 | 147 | { |
21a5a6b3 | 148 | int count = 0; |
26111ab1 | 149 | const char *medium = NULL; |
9447a0d3 MN |
150 | |
151 | while (argc > 0) { | |
0b959b0f YH |
152 | if (strcmp(*argv, "mode") == 0) { |
153 | NEXT_ARG(); | |
154 | if (strcmp(*argv, "ipv6/ipv6") == 0 || | |
155 | strcmp(*argv, "ip6ip6") == 0) | |
156 | p->proto = IPPROTO_IPV6; | |
f36d1140 SK |
157 | else if (strcmp(*argv, "vti6") == 0) { |
158 | p->proto = IPPROTO_IPV6; | |
159 | p->i_flags |= VTI_ISVTI; | |
160 | } else if (strcmp(*argv, "ip/ipv6") == 0 || | |
0b959b0f YH |
161 | strcmp(*argv, "ipv4/ipv6") == 0 || |
162 | strcmp(*argv, "ipip6") == 0 || | |
163 | strcmp(*argv, "ip4ip6") == 0) | |
164 | p->proto = IPPROTO_IPIP; | |
af89576d | 165 | else if (strcmp(*argv, "ip6gre") == 0 || |
166 | strcmp(*argv, "gre/ipv6") == 0) | |
167 | p->proto = IPPROTO_GRE; | |
0b959b0f YH |
168 | else if (strcmp(*argv, "any/ipv6") == 0 || |
169 | strcmp(*argv, "any") == 0) | |
170 | p->proto = 0; | |
171 | else { | |
56f5daac | 172 | fprintf(stderr, "Unknown tunnel mode \"%s\"\n", *argv); |
4b726cb1 SH |
173 | exit(-1); |
174 | } | |
175 | } else if (strcmp(*argv, "remote") == 0) { | |
288384f2 | 176 | inet_prefix raddr; |
56f5daac | 177 | |
288384f2 | 178 | NEXT_ARG(); |
9aceaad7 | 179 | get_addr(&raddr, *argv, AF_INET6); |
288384f2 MN |
180 | memcpy(&p->raddr, &raddr.data, sizeof(p->raddr)); |
181 | } else if (strcmp(*argv, "local") == 0) { | |
182 | inet_prefix laddr; | |
56f5daac | 183 | |
288384f2 | 184 | NEXT_ARG(); |
9aceaad7 | 185 | get_addr(&laddr, *argv, AF_INET6); |
288384f2 MN |
186 | memcpy(&p->laddr, &laddr.data, sizeof(p->laddr)); |
187 | } else if (strcmp(*argv, "dev") == 0) { | |
188 | NEXT_ARG(); | |
26111ab1 | 189 | medium = *argv; |
288384f2 MN |
190 | } else if (strcmp(*argv, "encaplimit") == 0) { |
191 | NEXT_ARG(); | |
192 | if (strcmp(*argv, "none") == 0) { | |
193 | p->flags |= IP6_TNL_F_IGN_ENCAP_LIMIT; | |
9447a0d3 MN |
194 | } else { |
195 | __u8 uval; | |
56f5daac | 196 | |
288384f2 MN |
197 | if (get_u8(&uval, *argv, 0) < -1) |
198 | invarg("invalid ELIM", *argv); | |
9447a0d3 | 199 | p->encap_limit = uval; |
3f83dce5 | 200 | p->flags &= ~IP6_TNL_F_IGN_ENCAP_LIMIT; |
9447a0d3 | 201 | } |
eddde110 YH |
202 | } else if (strcmp(*argv, "hoplimit") == 0 || |
203 | strcmp(*argv, "ttl") == 0 || | |
204 | strcmp(*argv, "hlim") == 0) { | |
288384f2 | 205 | __u8 uval; |
56f5daac | 206 | |
288384f2 MN |
207 | NEXT_ARG(); |
208 | if (get_u8(&uval, *argv, 0)) | |
eddde110 | 209 | invarg("invalid TTL", *argv); |
288384f2 | 210 | p->hop_limit = uval; |
eddde110 YH |
211 | } else if (strcmp(*argv, "tclass") == 0 || |
212 | strcmp(*argv, "tc") == 0 || | |
213 | strcmp(*argv, "tos") == 0 || | |
214 | matches(*argv, "dsfield") == 0) { | |
288384f2 | 215 | __u8 uval; |
56f5daac | 216 | |
288384f2 | 217 | NEXT_ARG(); |
df5574d0 | 218 | p->flowinfo &= ~IP6_FLOWINFO_TCLASS; |
288384f2 MN |
219 | if (strcmp(*argv, "inherit") == 0) |
220 | p->flags |= IP6_TNL_F_USE_ORIG_TCLASS; | |
221 | else { | |
222 | if (get_u8(&uval, *argv, 16)) | |
eddde110 | 223 | invarg("invalid TClass", *argv); |
288384f2 MN |
224 | p->flowinfo |= htonl((__u32)uval << 20) & IP6_FLOWINFO_TCLASS; |
225 | p->flags &= ~IP6_TNL_F_USE_ORIG_TCLASS; | |
226 | } | |
eddde110 YH |
227 | } else if (strcmp(*argv, "flowlabel") == 0 || |
228 | strcmp(*argv, "fl") == 0) { | |
288384f2 | 229 | __u32 uval; |
56f5daac | 230 | |
288384f2 | 231 | NEXT_ARG(); |
df5574d0 | 232 | p->flowinfo &= ~IP6_FLOWINFO_FLOWLABEL; |
288384f2 MN |
233 | if (strcmp(*argv, "inherit") == 0) |
234 | p->flags |= IP6_TNL_F_USE_ORIG_FLOWLABEL; | |
235 | else { | |
236 | if (get_u32(&uval, *argv, 16)) | |
eddde110 | 237 | invarg("invalid Flowlabel", *argv); |
288384f2 | 238 | if (uval > 0xFFFFF) |
eddde110 | 239 | invarg("invalid Flowlabel", *argv); |
288384f2 MN |
240 | p->flowinfo |= htonl(uval) & IP6_FLOWINFO_FLOWLABEL; |
241 | p->flags &= ~IP6_TNL_F_USE_ORIG_FLOWLABEL; | |
242 | } | |
243 | } else if (strcmp(*argv, "dscp") == 0) { | |
244 | NEXT_ARG(); | |
245 | if (strcmp(*argv, "inherit") != 0) | |
246 | invarg("not inherit", *argv); | |
247 | p->flags |= IP6_TNL_F_RCV_DSCP_COPY; | |
21440d19 SL |
248 | } else if (strcmp(*argv, "allow-localremote") == 0) { |
249 | p->flags |= IP6_TNL_F_ALLOW_LOCAL_REMOTE; | |
250 | } else if (strcmp(*argv, "noallow-localremote") == 0) { | |
251 | p->flags &= ~IP6_TNL_F_ALLOW_LOCAL_REMOTE; | |
af89576d | 252 | } else if (strcmp(*argv, "key") == 0) { |
af89576d | 253 | NEXT_ARG(); |
254 | p->i_flags |= GRE_KEY; | |
255 | p->o_flags |= GRE_KEY; | |
a7ed1520 | 256 | p->i_key = p->o_key = tnl_parse_key("key", *argv); |
af89576d | 257 | } else if (strcmp(*argv, "ikey") == 0) { |
af89576d | 258 | NEXT_ARG(); |
259 | p->i_flags |= GRE_KEY; | |
a7ed1520 | 260 | p->i_key = tnl_parse_key("ikey", *argv); |
af89576d | 261 | } else if (strcmp(*argv, "okey") == 0) { |
af89576d | 262 | NEXT_ARG(); |
263 | p->o_flags |= GRE_KEY; | |
a7ed1520 | 264 | p->o_key = tnl_parse_key("okey", *argv); |
af89576d | 265 | } else if (strcmp(*argv, "seq") == 0) { |
266 | p->i_flags |= GRE_SEQ; | |
267 | p->o_flags |= GRE_SEQ; | |
268 | } else if (strcmp(*argv, "iseq") == 0) { | |
269 | p->i_flags |= GRE_SEQ; | |
270 | } else if (strcmp(*argv, "oseq") == 0) { | |
271 | p->o_flags |= GRE_SEQ; | |
272 | } else if (strcmp(*argv, "csum") == 0) { | |
273 | p->i_flags |= GRE_CSUM; | |
274 | p->o_flags |= GRE_CSUM; | |
275 | } else if (strcmp(*argv, "icsum") == 0) { | |
276 | p->i_flags |= GRE_CSUM; | |
277 | } else if (strcmp(*argv, "ocsum") == 0) { | |
278 | p->o_flags |= GRE_CSUM; | |
9447a0d3 | 279 | } else { |
288384f2 MN |
280 | if (strcmp(*argv, "name") == 0) { |
281 | NEXT_ARG(); | |
7894ce77 | 282 | } else if (matches(*argv, "help") == 0) |
9447a0d3 | 283 | usage(); |
288384f2 MN |
284 | if (p->name[0]) |
285 | duparg2("name", *argv); | |
625df645 PS |
286 | if (get_ifname(p->name, *argv)) |
287 | invarg("\"name\" not a valid ifname", *argv); | |
21a5a6b3 | 288 | if (cmd == SIOCCHGTUNNEL && count == 0) { |
d17b136f | 289 | struct ip6_tnl_parm2 old_p = {}; |
56f5daac | 290 | |
21a5a6b3 JB |
291 | if (tnl_get_ioctl(*argv, &old_p)) |
292 | return -1; | |
293 | *p = old_p; | |
294 | } | |
9447a0d3 | 295 | } |
21a5a6b3 | 296 | count++; |
9447a0d3 MN |
297 | argc--; argv++; |
298 | } | |
26111ab1 | 299 | if (medium) { |
ea71beac | 300 | p->link = ll_name_to_index(medium); |
fe99adbc SP |
301 | if (!p->link) |
302 | return nodev(medium); | |
9447a0d3 MN |
303 | } |
304 | return 0; | |
305 | } | |
306 | ||
af89576d | 307 | static void ip6_tnl_parm_init(struct ip6_tnl_parm2 *p, int apply_default) |
288384f2 MN |
308 | { |
309 | memset(p, 0, sizeof(*p)); | |
310 | p->proto = IPPROTO_IPV6; | |
311 | if (apply_default) { | |
312 | p->hop_limit = DEFAULT_TNL_HOP_LIMIT; | |
313 | p->encap_limit = IPV6_DEFAULT_TNL_ENCAP_LIMIT; | |
314 | } | |
315 | } | |
316 | ||
3e953938 SP |
317 | static void ip6_tnl_parm_initialize(const struct tnl_print_nlmsg_info *info) |
318 | { | |
319 | const struct ifinfomsg *ifi = info->ifi; | |
320 | const struct ip6_tnl_parm2 *p1 = info->p1; | |
321 | struct ip6_tnl_parm2 *p2 = info->p2; | |
322 | ||
323 | ip6_tnl_parm_init(p2, 0); | |
324 | if (ifi->ifi_type == ARPHRD_IP6GRE) | |
325 | p2->proto = IPPROTO_GRE; | |
326 | p2->link = ifi->ifi_index; | |
327 | strcpy(p2->name, p1->name); | |
328 | } | |
329 | ||
330 | static bool ip6_tnl_parm_match(const struct tnl_print_nlmsg_info *info) | |
288384f2 | 331 | { |
3e953938 SP |
332 | const struct ip6_tnl_parm2 *p1 = info->p1; |
333 | const struct ip6_tnl_parm2 *p2 = info->p2; | |
334 | ||
288384f2 MN |
335 | return ((!p1->link || p1->link == p2->link) && |
336 | (!p1->name[0] || strcmp(p1->name, p2->name) == 0) && | |
1f4c51c0 JB |
337 | (IN6_IS_ADDR_UNSPECIFIED(&p1->laddr) || |
338 | IN6_ARE_ADDR_EQUAL(&p1->laddr, &p2->laddr)) && | |
339 | (IN6_IS_ADDR_UNSPECIFIED(&p1->raddr) || | |
340 | IN6_ARE_ADDR_EQUAL(&p1->raddr, &p2->raddr)) && | |
288384f2 MN |
341 | (!p1->proto || !p2->proto || p1->proto == p2->proto) && |
342 | (!p1->encap_limit || p1->encap_limit == p2->encap_limit) && | |
343 | (!p1->hop_limit || p1->hop_limit == p2->hop_limit) && | |
344 | (!(p1->flowinfo & IP6_FLOWINFO_TCLASS) || | |
345 | !((p1->flowinfo ^ p2->flowinfo) & IP6_FLOWINFO_TCLASS)) && | |
346 | (!(p1->flowinfo & IP6_FLOWINFO_FLOWLABEL) || | |
347 | !((p1->flowinfo ^ p2->flowinfo) & IP6_FLOWINFO_FLOWLABEL)) && | |
348 | (!p1->flags || (p1->flags & p2->flags))); | |
349 | } | |
350 | ||
9447a0d3 MN |
351 | static int do_show(int argc, char **argv) |
352 | { | |
3e953938 | 353 | struct ip6_tnl_parm2 p, p1; |
288384f2 MN |
354 | |
355 | ip6_tnl_parm_init(&p, 0); | |
c3651bf4 | 356 | p.proto = 0; /* default to any */ |
9447a0d3 | 357 | |
56f5daac SH |
358 | if (parse_args(argc, argv, SIOCGETTUNNEL, &p) < 0) |
359 | return -1; | |
9447a0d3 | 360 | |
3e953938 SP |
361 | if (!p.name[0] || show_stats) { |
362 | struct tnl_print_nlmsg_info info = { | |
363 | .p1 = &p, | |
364 | .p2 = &p1, | |
365 | .init = ip6_tnl_parm_initialize, | |
366 | .match = ip6_tnl_parm_match, | |
367 | .print = print_tunnel, | |
368 | }; | |
369 | ||
370 | return do_tunnels_list(&info); | |
371 | } | |
ec895940 SP |
372 | |
373 | if (tnl_get_ioctl(p.name, &p)) | |
374 | return -1; | |
9447a0d3 | 375 | |
ec895940 | 376 | print_tunnel(&p); |
56f5daac | 377 | return 0; |
9447a0d3 MN |
378 | } |
379 | ||
9447a0d3 MN |
380 | static int do_add(int cmd, int argc, char **argv) |
381 | { | |
af89576d | 382 | struct ip6_tnl_parm2 p; |
a0638e18 | 383 | const char *basedev = "ip6tnl0"; |
288384f2 MN |
384 | |
385 | ip6_tnl_parm_init(&p, 1); | |
9447a0d3 | 386 | |
21a5a6b3 | 387 | if (parse_args(argc, argv, cmd, &p) < 0) |
9447a0d3 | 388 | return -1; |
288384f2 | 389 | |
d035cc1b AC |
390 | if (!*p.name) |
391 | fprintf(stderr, "Tunnel interface name not specified\n"); | |
392 | ||
a0638e18 AA |
393 | if (p.proto == IPPROTO_GRE) |
394 | basedev = "ip6gre0"; | |
395 | else if (p.i_flags & VTI_ISVTI) | |
396 | basedev = "ip6_vti0"; | |
397 | ||
398 | return tnl_add_ioctl(cmd, basedev, p.name, &p); | |
9447a0d3 MN |
399 | } |
400 | ||
288384f2 | 401 | static int do_del(int argc, char **argv) |
9447a0d3 | 402 | { |
af89576d | 403 | struct ip6_tnl_parm2 p; |
a0638e18 | 404 | const char *basedev = "ip6tnl0"; |
288384f2 MN |
405 | |
406 | ip6_tnl_parm_init(&p, 1); | |
9447a0d3 | 407 | |
21a5a6b3 | 408 | if (parse_args(argc, argv, SIOCDELTUNNEL, &p) < 0) |
9447a0d3 MN |
409 | return -1; |
410 | ||
a0638e18 AA |
411 | if (p.proto == IPPROTO_GRE) |
412 | basedev = "ip6gre0"; | |
413 | else if (p.i_flags & VTI_ISVTI) | |
414 | basedev = "ip6_vti0"; | |
415 | ||
416 | return tnl_del_ioctl(basedev, p.name, &p); | |
9447a0d3 MN |
417 | } |
418 | ||
ae665a52 SH |
419 | int do_ip6tunnel(int argc, char **argv) |
420 | { | |
288384f2 MN |
421 | switch (preferred_family) { |
422 | case AF_UNSPEC: | |
423 | preferred_family = AF_INET6; | |
424 | break; | |
425 | case AF_INET6: | |
426 | break; | |
427 | default: | |
14645ec2 | 428 | fprintf(stderr, "Unsupported protocol family: %d\n", preferred_family); |
288384f2 MN |
429 | exit(-1); |
430 | } | |
431 | ||
9447a0d3 | 432 | if (argc > 0) { |
288384f2 | 433 | if (matches(*argv, "add") == 0) |
9447a0d3 | 434 | return do_add(SIOCADDTUNNEL, argc - 1, argv + 1); |
288384f2 | 435 | if (matches(*argv, "change") == 0) |
9447a0d3 | 436 | return do_add(SIOCCHGTUNNEL, argc - 1, argv + 1); |
6e30461e | 437 | if (matches(*argv, "delete") == 0) |
9447a0d3 | 438 | return do_del(argc - 1, argv + 1); |
288384f2 MN |
439 | if (matches(*argv, "show") == 0 || |
440 | matches(*argv, "lst") == 0 || | |
441 | matches(*argv, "list") == 0) | |
9447a0d3 | 442 | return do_show(argc - 1, argv + 1); |
288384f2 | 443 | if (matches(*argv, "help") == 0) |
9447a0d3 | 444 | usage(); |
9447a0d3 MN |
445 | } else |
446 | return do_show(0, NULL); | |
447 | ||
288384f2 MN |
448 | fprintf(stderr, "Command \"%s\" is unknown, try \"ip -f inet6 tunnel help\".\n", *argv); |
449 | exit(-1); | |
9447a0d3 | 450 | } |