Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C)2006 USAGI/WIDE Project |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 3 | * |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 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. |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 8 | * |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 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. |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 13 | * |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 14 | * You should have received a copy of the GNU General Public License |
Stephen Hemminger | 4d98ab0 | 2013-12-06 15:05:07 -0800 | [diff] [blame] | 15 | * along with this program; if not, see <http://www.gnu.org/licenses>. |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 16 | */ |
| 17 | /* |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 18 | * Author: |
| 19 | * Masahide NAKAMURA @USAGI |
| 20 | */ |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 21 | |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 22 | #include <stdio.h> |
| 23 | #include <string.h> |
| 24 | #include <stdlib.h> |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 25 | #include <unistd.h> |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 26 | #include <sys/types.h> |
| 27 | #include <sys/socket.h> |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 28 | #include <arpa/inet.h> |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 29 | #include <sys/ioctl.h> |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 30 | #include <linux/ip.h> |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 31 | #include <linux/if.h> |
| 32 | #include <linux/if_arp.h> |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 33 | #include <linux/if_tunnel.h> |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 34 | #include <linux/ip6_tunnel.h> |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 35 | |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 36 | #include "utils.h" |
| 37 | #include "tunnel.h" |
Stephen Hemminger | ea71bea | 2010-11-28 10:35:28 -0800 | [diff] [blame] | 38 | #include "ip_common.h" |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 39 | |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 40 | #define IP6_FLOWINFO_TCLASS htonl(0x0FF00000) |
| 41 | #define IP6_FLOWINFO_FLOWLABEL htonl(0x000FFFFF) |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 42 | |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 43 | #define DEFAULT_TNL_HOP_LIMIT (64) |
| 44 | |
| 45 | static void usage(void) __attribute__((noreturn)); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 46 | |
| 47 | static void usage(void) |
| 48 | { |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 49 | fprintf(stderr, "Usage: ip -f inet6 tunnel { add | change | del | show } [ NAME ]\n"); |
Steffen Klassert | f36d114 | 2014-09-26 09:10:56 +0200 | [diff] [blame] | 50 | fprintf(stderr, " [ mode { ip6ip6 | ipip6 | ip6gre | vti6 | any } ]\n"); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 51 | fprintf(stderr, " [ remote ADDR local ADDR ] [ dev PHYS_DEV ]\n"); |
| 52 | fprintf(stderr, " [ encaplimit ELIM ]\n"); |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 53 | fprintf(stderr, " [ hoplimit TTL ] [ tclass TCLASS ] [ flowlabel FLOWLABEL ]\n"); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 54 | fprintf(stderr, " [ dscp inherit ]\n"); |
xeb@mail.ru | af89576 | 2013-09-28 11:32:51 +0400 | [diff] [blame] | 55 | fprintf(stderr, " [ [i|o]seq ] [ [i|o]key KEY ] [ [i|o]csum ]\n"); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 56 | fprintf(stderr, "\n"); |
YOSHIFUJI Hideaki / 吉藤英明 | eddde11 | 2008-03-13 11:17:54 -0400 | [diff] [blame] | 57 | fprintf(stderr, "Where: NAME := STRING\n"); |
| 58 | fprintf(stderr, " ADDR := IPV6_ADDRESS\n"); |
| 59 | fprintf(stderr, " ELIM := { none | 0..255 }(default=%d)\n", |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 60 | IPV6_DEFAULT_TNL_ENCAP_LIMIT); |
YOSHIFUJI Hideaki / 吉藤英明 | eddde11 | 2008-03-13 11:17:54 -0400 | [diff] [blame] | 61 | fprintf(stderr, " TTL := 0..255 (default=%d)\n", |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 62 | DEFAULT_TNL_HOP_LIMIT); |
Nicolas Dichtel | d0c8420 | 2012-11-14 16:29:24 +0100 | [diff] [blame] | 63 | fprintf(stderr, " TCLASS := { 0x0..0xff | inherit }\n"); |
YOSHIFUJI Hideaki / 吉藤英明 | eddde11 | 2008-03-13 11:17:54 -0400 | [diff] [blame] | 64 | fprintf(stderr, " FLOWLABEL := { 0x0..0xfffff | inherit }\n"); |
xeb@mail.ru | af89576 | 2013-09-28 11:32:51 +0400 | [diff] [blame] | 65 | fprintf(stderr, " KEY := { DOTTED_QUAD | NUMBER }\n"); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 66 | exit(-1); |
| 67 | } |
| 68 | |
xeb@mail.ru | af89576 | 2013-09-28 11:32:51 +0400 | [diff] [blame] | 69 | static void print_tunnel(struct ip6_tnl_parm2 *p) |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 70 | { |
Phil Sutter | 9af72f8 | 2015-11-13 18:08:59 +0100 | [diff] [blame] | 71 | char s1[1024]; |
| 72 | char s2[1024]; |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 73 | |
Phil Sutter | 9af72f8 | 2015-11-13 18:08:59 +0100 | [diff] [blame] | 74 | /* Do not use format_host() for local addr, |
| 75 | * symbolic name will not be useful. |
| 76 | */ |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 77 | printf("%s: %s/ipv6 remote %s local %s", |
Phil Sutter | 9af72f8 | 2015-11-13 18:08:59 +0100 | [diff] [blame] | 78 | p->name, |
| 79 | tnl_strproto(p->proto), |
Phil Sutter | a418e45 | 2016-03-22 19:35:15 +0100 | [diff] [blame] | 80 | format_host_r(AF_INET6, 16, &p->raddr, s1, sizeof(s1)), |
Phil Sutter | 2e96d2c | 2016-03-22 19:35:16 +0100 | [diff] [blame] | 81 | rt_addr_n2a_r(AF_INET6, 16, &p->laddr, s2, sizeof(s2))); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 82 | if (p->link) { |
Stephen Hemminger | ea71bea | 2010-11-28 10:35:28 -0800 | [diff] [blame] | 83 | const char *n = ll_index_to_name(p->link); |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 84 | |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 85 | if (n) |
| 86 | printf(" dev %s", n); |
| 87 | } |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 88 | |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 89 | if (p->flags & IP6_TNL_F_IGN_ENCAP_LIMIT) |
| 90 | printf(" encaplimit none"); |
| 91 | else |
| 92 | printf(" encaplimit %u", p->encap_limit); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 93 | |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 94 | printf(" hoplimit %u", p->hop_limit); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 95 | |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 96 | if (p->flags & IP6_TNL_F_USE_ORIG_TCLASS) |
YOSHIFUJI Hideaki / 吉藤英明 | eddde11 | 2008-03-13 11:17:54 -0400 | [diff] [blame] | 97 | printf(" tclass inherit"); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 98 | else { |
| 99 | __u32 val = ntohl(p->flowinfo & IP6_FLOWINFO_TCLASS); |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 100 | |
YOSHIFUJI Hideaki / 吉藤英明 | eddde11 | 2008-03-13 11:17:54 -0400 | [diff] [blame] | 101 | printf(" tclass 0x%02x", (__u8)(val >> 20)); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 102 | } |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 103 | |
| 104 | if (p->flags & IP6_TNL_F_USE_ORIG_FLOWLABEL) |
YOSHIFUJI Hideaki / 吉藤英明 | eddde11 | 2008-03-13 11:17:54 -0400 | [diff] [blame] | 105 | printf(" flowlabel inherit"); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 106 | else |
YOSHIFUJI Hideaki / 吉藤英明 | eddde11 | 2008-03-13 11:17:54 -0400 | [diff] [blame] | 107 | printf(" flowlabel 0x%05x", ntohl(p->flowinfo & IP6_FLOWINFO_FLOWLABEL)); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 108 | |
| 109 | printf(" (flowinfo 0x%08x)", ntohl(p->flowinfo)); |
| 110 | |
| 111 | if (p->flags & IP6_TNL_F_RCV_DSCP_COPY) |
| 112 | printf(" dscp inherit"); |
xeb@mail.ru | af89576 | 2013-09-28 11:32:51 +0400 | [diff] [blame] | 113 | |
| 114 | if (p->proto == IPPROTO_GRE) { |
Phil Sutter | 04ce8d3 | 2015-11-13 18:09:05 +0100 | [diff] [blame] | 115 | if ((p->i_flags & GRE_KEY) && (p->o_flags & GRE_KEY) && p->o_key == p->i_key) |
xeb@mail.ru | af89576 | 2013-09-28 11:32:51 +0400 | [diff] [blame] | 116 | printf(" key %u", ntohl(p->i_key)); |
Phil Sutter | 04ce8d3 | 2015-11-13 18:09:05 +0100 | [diff] [blame] | 117 | else if ((p->i_flags | p->o_flags) & GRE_KEY) { |
| 118 | if (p->i_flags & GRE_KEY) |
Phil Sutter | 8de592d | 2015-11-13 18:08:54 +0100 | [diff] [blame] | 119 | printf(" ikey %u", ntohl(p->i_key)); |
Phil Sutter | 04ce8d3 | 2015-11-13 18:09:05 +0100 | [diff] [blame] | 120 | if (p->o_flags & GRE_KEY) |
Phil Sutter | 8de592d | 2015-11-13 18:08:54 +0100 | [diff] [blame] | 121 | printf(" okey %u", ntohl(p->o_key)); |
xeb@mail.ru | af89576 | 2013-09-28 11:32:51 +0400 | [diff] [blame] | 122 | } |
| 123 | |
Phil Sutter | 04ce8d3 | 2015-11-13 18:09:05 +0100 | [diff] [blame] | 124 | if (p->i_flags & GRE_SEQ) |
Dmitry Popov | 4cb8d03 | 2014-10-04 19:00:25 +0400 | [diff] [blame] | 125 | printf("%s Drop packets out of sequence.", _SL_); |
Phil Sutter | 04ce8d3 | 2015-11-13 18:09:05 +0100 | [diff] [blame] | 126 | if (p->i_flags & GRE_CSUM) |
xeb@mail.ru | af89576 | 2013-09-28 11:32:51 +0400 | [diff] [blame] | 127 | printf("%s Checksum in received packet is required.", _SL_); |
Phil Sutter | 04ce8d3 | 2015-11-13 18:09:05 +0100 | [diff] [blame] | 128 | if (p->o_flags & GRE_SEQ) |
xeb@mail.ru | af89576 | 2013-09-28 11:32:51 +0400 | [diff] [blame] | 129 | printf("%s Sequence packets on output.", _SL_); |
Phil Sutter | 04ce8d3 | 2015-11-13 18:09:05 +0100 | [diff] [blame] | 130 | if (p->o_flags & GRE_CSUM) |
xeb@mail.ru | af89576 | 2013-09-28 11:32:51 +0400 | [diff] [blame] | 131 | printf("%s Checksum output packets.", _SL_); |
| 132 | } |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 133 | } |
| 134 | |
xeb@mail.ru | af89576 | 2013-09-28 11:32:51 +0400 | [diff] [blame] | 135 | static int parse_args(int argc, char **argv, int cmd, struct ip6_tnl_parm2 *p) |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 136 | { |
Jiri Benc | 21a5a6b | 2011-09-19 05:14:10 +0000 | [diff] [blame] | 137 | int count = 0; |
Phil Sutter | d17b136 | 2016-07-18 16:48:42 +0200 | [diff] [blame] | 138 | char medium[IFNAMSIZ] = {}; |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 139 | |
| 140 | while (argc > 0) { |
YOSHIFUJI Hideaki / 吉藤英明 | 0b959b0 | 2007-10-12 16:51:22 +0900 | [diff] [blame] | 141 | if (strcmp(*argv, "mode") == 0) { |
| 142 | NEXT_ARG(); |
| 143 | if (strcmp(*argv, "ipv6/ipv6") == 0 || |
| 144 | strcmp(*argv, "ip6ip6") == 0) |
| 145 | p->proto = IPPROTO_IPV6; |
Steffen Klassert | f36d114 | 2014-09-26 09:10:56 +0200 | [diff] [blame] | 146 | else if (strcmp(*argv, "vti6") == 0) { |
| 147 | p->proto = IPPROTO_IPV6; |
| 148 | p->i_flags |= VTI_ISVTI; |
| 149 | } else if (strcmp(*argv, "ip/ipv6") == 0 || |
YOSHIFUJI Hideaki / 吉藤英明 | 0b959b0 | 2007-10-12 16:51:22 +0900 | [diff] [blame] | 150 | strcmp(*argv, "ipv4/ipv6") == 0 || |
| 151 | strcmp(*argv, "ipip6") == 0 || |
| 152 | strcmp(*argv, "ip4ip6") == 0) |
| 153 | p->proto = IPPROTO_IPIP; |
xeb@mail.ru | af89576 | 2013-09-28 11:32:51 +0400 | [diff] [blame] | 154 | else if (strcmp(*argv, "ip6gre") == 0 || |
| 155 | strcmp(*argv, "gre/ipv6") == 0) |
| 156 | p->proto = IPPROTO_GRE; |
YOSHIFUJI Hideaki / 吉藤英明 | 0b959b0 | 2007-10-12 16:51:22 +0900 | [diff] [blame] | 157 | else if (strcmp(*argv, "any/ipv6") == 0 || |
| 158 | strcmp(*argv, "any") == 0) |
| 159 | p->proto = 0; |
| 160 | else { |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 161 | fprintf(stderr, "Unknown tunnel mode \"%s\"\n", *argv); |
Stephen Hemminger | 4b726cb | 2014-05-09 12:36:46 -0700 | [diff] [blame] | 162 | exit(-1); |
| 163 | } |
| 164 | } else if (strcmp(*argv, "remote") == 0) { |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 165 | inet_prefix raddr; |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 166 | |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 167 | NEXT_ARG(); |
| 168 | get_prefix(&raddr, *argv, preferred_family); |
| 169 | if (raddr.family == AF_UNSPEC) |
| 170 | invarg("\"remote\" address family is AF_UNSPEC", *argv); |
| 171 | memcpy(&p->raddr, &raddr.data, sizeof(p->raddr)); |
| 172 | } else if (strcmp(*argv, "local") == 0) { |
| 173 | inet_prefix laddr; |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 174 | |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 175 | NEXT_ARG(); |
| 176 | get_prefix(&laddr, *argv, preferred_family); |
| 177 | if (laddr.family == AF_UNSPEC) |
| 178 | invarg("\"local\" address family is AF_UNSPEC", *argv); |
| 179 | memcpy(&p->laddr, &laddr.data, sizeof(p->laddr)); |
| 180 | } else if (strcmp(*argv, "dev") == 0) { |
| 181 | NEXT_ARG(); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 182 | strncpy(medium, *argv, IFNAMSIZ - 1); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 183 | } else if (strcmp(*argv, "encaplimit") == 0) { |
| 184 | NEXT_ARG(); |
| 185 | if (strcmp(*argv, "none") == 0) { |
| 186 | p->flags |= IP6_TNL_F_IGN_ENCAP_LIMIT; |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 187 | } else { |
| 188 | __u8 uval; |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 189 | |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 190 | if (get_u8(&uval, *argv, 0) < -1) |
| 191 | invarg("invalid ELIM", *argv); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 192 | p->encap_limit = uval; |
Nicolas Dichtel | 3f83dce | 2012-11-14 16:29:25 +0100 | [diff] [blame] | 193 | p->flags &= ~IP6_TNL_F_IGN_ENCAP_LIMIT; |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 194 | } |
YOSHIFUJI Hideaki / 吉藤英明 | eddde11 | 2008-03-13 11:17:54 -0400 | [diff] [blame] | 195 | } else if (strcmp(*argv, "hoplimit") == 0 || |
| 196 | strcmp(*argv, "ttl") == 0 || |
| 197 | strcmp(*argv, "hlim") == 0) { |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 198 | __u8 uval; |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 199 | |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 200 | NEXT_ARG(); |
| 201 | if (get_u8(&uval, *argv, 0)) |
YOSHIFUJI Hideaki / 吉藤英明 | eddde11 | 2008-03-13 11:17:54 -0400 | [diff] [blame] | 202 | invarg("invalid TTL", *argv); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 203 | p->hop_limit = uval; |
YOSHIFUJI Hideaki / 吉藤英明 | eddde11 | 2008-03-13 11:17:54 -0400 | [diff] [blame] | 204 | } else if (strcmp(*argv, "tclass") == 0 || |
| 205 | strcmp(*argv, "tc") == 0 || |
| 206 | strcmp(*argv, "tos") == 0 || |
| 207 | matches(*argv, "dsfield") == 0) { |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 208 | __u8 uval; |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 209 | |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 210 | NEXT_ARG(); |
Nicolas Dichtel | df5574d | 2012-11-14 16:29:26 +0100 | [diff] [blame] | 211 | p->flowinfo &= ~IP6_FLOWINFO_TCLASS; |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 212 | if (strcmp(*argv, "inherit") == 0) |
| 213 | p->flags |= IP6_TNL_F_USE_ORIG_TCLASS; |
| 214 | else { |
| 215 | if (get_u8(&uval, *argv, 16)) |
YOSHIFUJI Hideaki / 吉藤英明 | eddde11 | 2008-03-13 11:17:54 -0400 | [diff] [blame] | 216 | invarg("invalid TClass", *argv); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 217 | p->flowinfo |= htonl((__u32)uval << 20) & IP6_FLOWINFO_TCLASS; |
| 218 | p->flags &= ~IP6_TNL_F_USE_ORIG_TCLASS; |
| 219 | } |
YOSHIFUJI Hideaki / 吉藤英明 | eddde11 | 2008-03-13 11:17:54 -0400 | [diff] [blame] | 220 | } else if (strcmp(*argv, "flowlabel") == 0 || |
| 221 | strcmp(*argv, "fl") == 0) { |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 222 | __u32 uval; |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 223 | |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 224 | NEXT_ARG(); |
Nicolas Dichtel | df5574d | 2012-11-14 16:29:26 +0100 | [diff] [blame] | 225 | p->flowinfo &= ~IP6_FLOWINFO_FLOWLABEL; |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 226 | if (strcmp(*argv, "inherit") == 0) |
| 227 | p->flags |= IP6_TNL_F_USE_ORIG_FLOWLABEL; |
| 228 | else { |
| 229 | if (get_u32(&uval, *argv, 16)) |
YOSHIFUJI Hideaki / 吉藤英明 | eddde11 | 2008-03-13 11:17:54 -0400 | [diff] [blame] | 230 | invarg("invalid Flowlabel", *argv); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 231 | if (uval > 0xFFFFF) |
YOSHIFUJI Hideaki / 吉藤英明 | eddde11 | 2008-03-13 11:17:54 -0400 | [diff] [blame] | 232 | invarg("invalid Flowlabel", *argv); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 233 | p->flowinfo |= htonl(uval) & IP6_FLOWINFO_FLOWLABEL; |
| 234 | p->flags &= ~IP6_TNL_F_USE_ORIG_FLOWLABEL; |
| 235 | } |
| 236 | } else if (strcmp(*argv, "dscp") == 0) { |
| 237 | NEXT_ARG(); |
| 238 | if (strcmp(*argv, "inherit") != 0) |
| 239 | invarg("not inherit", *argv); |
| 240 | p->flags |= IP6_TNL_F_RCV_DSCP_COPY; |
xeb@mail.ru | af89576 | 2013-09-28 11:32:51 +0400 | [diff] [blame] | 241 | } else if (strcmp(*argv, "key") == 0) { |
xeb@mail.ru | af89576 | 2013-09-28 11:32:51 +0400 | [diff] [blame] | 242 | NEXT_ARG(); |
| 243 | p->i_flags |= GRE_KEY; |
| 244 | p->o_flags |= GRE_KEY; |
Phil Sutter | a7ed152 | 2015-11-13 18:08:55 +0100 | [diff] [blame] | 245 | p->i_key = p->o_key = tnl_parse_key("key", *argv); |
xeb@mail.ru | af89576 | 2013-09-28 11:32:51 +0400 | [diff] [blame] | 246 | } else if (strcmp(*argv, "ikey") == 0) { |
xeb@mail.ru | af89576 | 2013-09-28 11:32:51 +0400 | [diff] [blame] | 247 | NEXT_ARG(); |
| 248 | p->i_flags |= GRE_KEY; |
Phil Sutter | a7ed152 | 2015-11-13 18:08:55 +0100 | [diff] [blame] | 249 | p->i_key = tnl_parse_key("ikey", *argv); |
xeb@mail.ru | af89576 | 2013-09-28 11:32:51 +0400 | [diff] [blame] | 250 | } else if (strcmp(*argv, "okey") == 0) { |
xeb@mail.ru | af89576 | 2013-09-28 11:32:51 +0400 | [diff] [blame] | 251 | NEXT_ARG(); |
| 252 | p->o_flags |= GRE_KEY; |
Phil Sutter | a7ed152 | 2015-11-13 18:08:55 +0100 | [diff] [blame] | 253 | p->o_key = tnl_parse_key("okey", *argv); |
xeb@mail.ru | af89576 | 2013-09-28 11:32:51 +0400 | [diff] [blame] | 254 | } else if (strcmp(*argv, "seq") == 0) { |
| 255 | p->i_flags |= GRE_SEQ; |
| 256 | p->o_flags |= GRE_SEQ; |
| 257 | } else if (strcmp(*argv, "iseq") == 0) { |
| 258 | p->i_flags |= GRE_SEQ; |
| 259 | } else if (strcmp(*argv, "oseq") == 0) { |
| 260 | p->o_flags |= GRE_SEQ; |
| 261 | } else if (strcmp(*argv, "csum") == 0) { |
| 262 | p->i_flags |= GRE_CSUM; |
| 263 | p->o_flags |= GRE_CSUM; |
| 264 | } else if (strcmp(*argv, "icsum") == 0) { |
| 265 | p->i_flags |= GRE_CSUM; |
| 266 | } else if (strcmp(*argv, "ocsum") == 0) { |
| 267 | p->o_flags |= GRE_CSUM; |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 268 | } else { |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 269 | if (strcmp(*argv, "name") == 0) { |
| 270 | NEXT_ARG(); |
Phil Sutter | 7894ce7 | 2015-11-13 18:09:00 +0100 | [diff] [blame] | 271 | } else if (matches(*argv, "help") == 0) |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 272 | usage(); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 273 | if (p->name[0]) |
| 274 | duparg2("name", *argv); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 275 | strncpy(p->name, *argv, IFNAMSIZ - 1); |
Jiri Benc | 21a5a6b | 2011-09-19 05:14:10 +0000 | [diff] [blame] | 276 | if (cmd == SIOCCHGTUNNEL && count == 0) { |
Phil Sutter | d17b136 | 2016-07-18 16:48:42 +0200 | [diff] [blame] | 277 | struct ip6_tnl_parm2 old_p = {}; |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 278 | |
Jiri Benc | 21a5a6b | 2011-09-19 05:14:10 +0000 | [diff] [blame] | 279 | if (tnl_get_ioctl(*argv, &old_p)) |
| 280 | return -1; |
| 281 | *p = old_p; |
| 282 | } |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 283 | } |
Jiri Benc | 21a5a6b | 2011-09-19 05:14:10 +0000 | [diff] [blame] | 284 | count++; |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 285 | argc--; argv++; |
| 286 | } |
| 287 | if (medium[0]) { |
Stephen Hemminger | ea71bea | 2010-11-28 10:35:28 -0800 | [diff] [blame] | 288 | p->link = ll_name_to_index(medium); |
Phil Sutter | 6ddb1e8 | 2015-11-13 18:08:56 +0100 | [diff] [blame] | 289 | if (p->link == 0) { |
| 290 | fprintf(stderr, "Cannot find device \"%s\"\n", medium); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 291 | return -1; |
Phil Sutter | 6ddb1e8 | 2015-11-13 18:08:56 +0100 | [diff] [blame] | 292 | } |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 293 | } |
| 294 | return 0; |
| 295 | } |
| 296 | |
xeb@mail.ru | af89576 | 2013-09-28 11:32:51 +0400 | [diff] [blame] | 297 | static void ip6_tnl_parm_init(struct ip6_tnl_parm2 *p, int apply_default) |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 298 | { |
| 299 | memset(p, 0, sizeof(*p)); |
| 300 | p->proto = IPPROTO_IPV6; |
| 301 | if (apply_default) { |
| 302 | p->hop_limit = DEFAULT_TNL_HOP_LIMIT; |
| 303 | p->encap_limit = IPV6_DEFAULT_TNL_ENCAP_LIMIT; |
| 304 | } |
| 305 | } |
| 306 | |
| 307 | /* |
| 308 | * @p1: user specified parameter |
| 309 | * @p2: database entry |
| 310 | */ |
xeb@mail.ru | af89576 | 2013-09-28 11:32:51 +0400 | [diff] [blame] | 311 | static int ip6_tnl_parm_match(const struct ip6_tnl_parm2 *p1, |
| 312 | const struct ip6_tnl_parm2 *p2) |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 313 | { |
| 314 | return ((!p1->link || p1->link == p2->link) && |
| 315 | (!p1->name[0] || strcmp(p1->name, p2->name) == 0) && |
| 316 | (memcmp(&p1->laddr, &in6addr_any, sizeof(p1->laddr)) == 0 || |
| 317 | memcmp(&p1->laddr, &p2->laddr, sizeof(p1->laddr)) == 0) && |
| 318 | (memcmp(&p1->raddr, &in6addr_any, sizeof(p1->raddr)) == 0 || |
| 319 | memcmp(&p1->raddr, &p2->raddr, sizeof(p1->raddr)) == 0) && |
| 320 | (!p1->proto || !p2->proto || p1->proto == p2->proto) && |
| 321 | (!p1->encap_limit || p1->encap_limit == p2->encap_limit) && |
| 322 | (!p1->hop_limit || p1->hop_limit == p2->hop_limit) && |
| 323 | (!(p1->flowinfo & IP6_FLOWINFO_TCLASS) || |
| 324 | !((p1->flowinfo ^ p2->flowinfo) & IP6_FLOWINFO_TCLASS)) && |
| 325 | (!(p1->flowinfo & IP6_FLOWINFO_FLOWLABEL) || |
| 326 | !((p1->flowinfo ^ p2->flowinfo) & IP6_FLOWINFO_FLOWLABEL)) && |
| 327 | (!p1->flags || (p1->flags & p2->flags))); |
| 328 | } |
| 329 | |
xeb@mail.ru | af89576 | 2013-09-28 11:32:51 +0400 | [diff] [blame] | 330 | static int do_tunnels_list(struct ip6_tnl_parm2 *p) |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 331 | { |
| 332 | char buf[512]; |
| 333 | int err = -1; |
| 334 | FILE *fp = fopen("/proc/net/dev", "r"); |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 335 | |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 336 | if (fp == NULL) { |
| 337 | perror("fopen"); |
Phil Sutter | c4527d7 | 2015-11-13 18:08:58 +0100 | [diff] [blame] | 338 | return -1; |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 339 | } |
| 340 | |
| 341 | /* skip two lines at the begenning of the file */ |
Stephen Hemminger | 38c867d | 2011-03-09 10:41:09 -0800 | [diff] [blame] | 342 | if (!fgets(buf, sizeof(buf), fp) || |
| 343 | !fgets(buf, sizeof(buf), fp)) { |
| 344 | fprintf(stderr, "/proc/net/dev read error\n"); |
Phil Sutter | c4527d7 | 2015-11-13 18:08:58 +0100 | [diff] [blame] | 345 | goto end; |
Stephen Hemminger | 38c867d | 2011-03-09 10:41:09 -0800 | [diff] [blame] | 346 | } |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 347 | |
| 348 | while (fgets(buf, sizeof(buf), fp) != NULL) { |
| 349 | char name[IFNAMSIZ]; |
Stephen Hemminger | ea71bea | 2010-11-28 10:35:28 -0800 | [diff] [blame] | 350 | int index, type; |
Phil Sutter | d17b136 | 2016-07-18 16:48:42 +0200 | [diff] [blame] | 351 | struct ip6_tnl_parm2 p1 = {}; |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 352 | char *ptr; |
| 353 | |
| 354 | buf[sizeof(buf) - 1] = '\0'; |
| 355 | if ((ptr = strchr(buf, ':')) == NULL || |
| 356 | (*ptr++ = 0, sscanf(buf, "%s", name) != 1)) { |
Kees van Reeuwijk | 14645ec | 2013-02-08 03:32:36 +0000 | [diff] [blame] | 357 | fprintf(stderr, "Wrong format for /proc/net/dev. Giving up.\n"); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 358 | goto end; |
| 359 | } |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 360 | if (p->name[0] && strcmp(p->name, name)) |
| 361 | continue; |
Stephen Hemminger | ea71bea | 2010-11-28 10:35:28 -0800 | [diff] [blame] | 362 | index = ll_name_to_index(name); |
| 363 | if (index == 0) |
| 364 | continue; |
| 365 | type = ll_index_to_type(index); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 366 | if (type == -1) { |
Kees van Reeuwijk | 14645ec | 2013-02-08 03:32:36 +0000 | [diff] [blame] | 367 | fprintf(stderr, "Failed to get type of \"%s\"\n", name); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 368 | continue; |
| 369 | } |
xeb@mail.ru | af89576 | 2013-09-28 11:32:51 +0400 | [diff] [blame] | 370 | if (type != ARPHRD_TUNNEL6 && type != ARPHRD_IP6GRE) |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 371 | continue; |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 372 | ip6_tnl_parm_init(&p1, 0); |
xeb@mail.ru | af89576 | 2013-09-28 11:32:51 +0400 | [diff] [blame] | 373 | if (type == ARPHRD_IP6GRE) |
| 374 | p1.proto = IPPROTO_GRE; |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 375 | strcpy(p1.name, name); |
Stephen Hemminger | ea71bea | 2010-11-28 10:35:28 -0800 | [diff] [blame] | 376 | p1.link = ll_name_to_index(p1.name); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 377 | if (p1.link == 0) |
| 378 | continue; |
| 379 | if (tnl_get_ioctl(p1.name, &p1)) |
| 380 | continue; |
| 381 | if (!ip6_tnl_parm_match(p, &p1)) |
| 382 | continue; |
| 383 | print_tunnel(&p1); |
Phil Sutter | 7d6aadc | 2015-12-18 11:58:06 +0100 | [diff] [blame] | 384 | if (show_stats) |
| 385 | tnl_print_stats(ptr); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 386 | printf("\n"); |
| 387 | } |
| 388 | err = 0; |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 389 | end: |
Phil Sutter | c4527d7 | 2015-11-13 18:08:58 +0100 | [diff] [blame] | 390 | fclose(fp); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 391 | return err; |
| 392 | } |
| 393 | |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 394 | static int do_show(int argc, char **argv) |
| 395 | { |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 396 | struct ip6_tnl_parm2 p; |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 397 | |
Stephen Hemminger | ea71bea | 2010-11-28 10:35:28 -0800 | [diff] [blame] | 398 | ll_init_map(&rth); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 399 | ip6_tnl_parm_init(&p, 0); |
Srivats P | c3651bf | 2009-03-27 11:17:26 -0700 | [diff] [blame] | 400 | p.proto = 0; /* default to any */ |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 401 | |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 402 | if (parse_args(argc, argv, SIOCGETTUNNEL, &p) < 0) |
| 403 | return -1; |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 404 | |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 405 | if (!p.name[0] || show_stats) |
| 406 | do_tunnels_list(&p); |
| 407 | else { |
| 408 | if (tnl_get_ioctl(p.name, &p)) |
| 409 | return -1; |
| 410 | print_tunnel(&p); |
| 411 | printf("\n"); |
| 412 | } |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 413 | |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 414 | return 0; |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 415 | } |
| 416 | |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 417 | static int do_add(int cmd, int argc, char **argv) |
| 418 | { |
xeb@mail.ru | af89576 | 2013-09-28 11:32:51 +0400 | [diff] [blame] | 419 | struct ip6_tnl_parm2 p; |
Alexey Andriyanov | a0638e1 | 2014-10-29 09:19:30 +0300 | [diff] [blame] | 420 | const char *basedev = "ip6tnl0"; |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 421 | |
| 422 | ip6_tnl_parm_init(&p, 1); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 423 | |
Jiri Benc | 21a5a6b | 2011-09-19 05:14:10 +0000 | [diff] [blame] | 424 | if (parse_args(argc, argv, cmd, &p) < 0) |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 425 | return -1; |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 426 | |
Alexey Andriyanov | a0638e1 | 2014-10-29 09:19:30 +0300 | [diff] [blame] | 427 | if (p.proto == IPPROTO_GRE) |
| 428 | basedev = "ip6gre0"; |
| 429 | else if (p.i_flags & VTI_ISVTI) |
| 430 | basedev = "ip6_vti0"; |
| 431 | |
| 432 | return tnl_add_ioctl(cmd, basedev, p.name, &p); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 433 | } |
| 434 | |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 435 | static int do_del(int argc, char **argv) |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 436 | { |
xeb@mail.ru | af89576 | 2013-09-28 11:32:51 +0400 | [diff] [blame] | 437 | struct ip6_tnl_parm2 p; |
Alexey Andriyanov | a0638e1 | 2014-10-29 09:19:30 +0300 | [diff] [blame] | 438 | const char *basedev = "ip6tnl0"; |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 439 | |
| 440 | ip6_tnl_parm_init(&p, 1); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 441 | |
Jiri Benc | 21a5a6b | 2011-09-19 05:14:10 +0000 | [diff] [blame] | 442 | if (parse_args(argc, argv, SIOCDELTUNNEL, &p) < 0) |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 443 | return -1; |
| 444 | |
Alexey Andriyanov | a0638e1 | 2014-10-29 09:19:30 +0300 | [diff] [blame] | 445 | if (p.proto == IPPROTO_GRE) |
| 446 | basedev = "ip6gre0"; |
| 447 | else if (p.i_flags & VTI_ISVTI) |
| 448 | basedev = "ip6_vti0"; |
| 449 | |
| 450 | return tnl_del_ioctl(basedev, p.name, &p); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 451 | } |
| 452 | |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 453 | int do_ip6tunnel(int argc, char **argv) |
| 454 | { |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 455 | switch (preferred_family) { |
| 456 | case AF_UNSPEC: |
| 457 | preferred_family = AF_INET6; |
| 458 | break; |
| 459 | case AF_INET6: |
| 460 | break; |
| 461 | default: |
Kees van Reeuwijk | 14645ec | 2013-02-08 03:32:36 +0000 | [diff] [blame] | 462 | fprintf(stderr, "Unsupported protocol family: %d\n", preferred_family); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 463 | exit(-1); |
| 464 | } |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 465 | |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 466 | if (argc > 0) { |
| 467 | if (matches(*argv, "add") == 0) |
| 468 | return do_add(SIOCADDTUNNEL, argc - 1, argv + 1); |
| 469 | if (matches(*argv, "change") == 0) |
| 470 | return do_add(SIOCCHGTUNNEL, argc - 1, argv + 1); |
Andreas Henriksson | 6e30461 | 2012-05-19 16:08:21 +0200 | [diff] [blame] | 471 | if (matches(*argv, "delete") == 0) |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 472 | return do_del(argc - 1, argv + 1); |
| 473 | if (matches(*argv, "show") == 0 || |
| 474 | matches(*argv, "lst") == 0 || |
| 475 | matches(*argv, "list") == 0) |
| 476 | return do_show(argc - 1, argv + 1); |
| 477 | if (matches(*argv, "help") == 0) |
| 478 | usage(); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 479 | } else |
| 480 | return do_show(0, NULL); |
| 481 | |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 482 | fprintf(stderr, "Command \"%s\" is unknown, try \"ip -f inet6 tunnel help\".\n", *argv); |
| 483 | exit(-1); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 484 | } |