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 |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 17 | */ |
| 18 | /* |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 19 | * Author: |
| 20 | * Masahide NAKAMURA @USAGI |
| 21 | */ |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 22 | |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 23 | #include <stdio.h> |
| 24 | #include <string.h> |
| 25 | #include <stdlib.h> |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 26 | #include <unistd.h> |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 27 | #include <sys/types.h> |
| 28 | #include <sys/socket.h> |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 29 | #include <arpa/inet.h> |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 30 | #include <sys/ioctl.h> |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 31 | #include <linux/ip.h> |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 32 | #include <linux/if.h> |
| 33 | #include <linux/if_arp.h> |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 34 | #include <linux/if_tunnel.h> |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 35 | #include <linux/ip6_tunnel.h> |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 36 | |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 37 | #include "utils.h" |
| 38 | #include "tunnel.h" |
Stephen Hemminger | ea71bea | 2010-11-28 10:35:28 -0800 | [diff] [blame] | 39 | #include "ip_common.h" |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 40 | |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 41 | #define IP6_FLOWINFO_TCLASS htonl(0x0FF00000) |
| 42 | #define IP6_FLOWINFO_FLOWLABEL htonl(0x000FFFFF) |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 43 | |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 44 | #define DEFAULT_TNL_HOP_LIMIT (64) |
| 45 | |
| 46 | static void usage(void) __attribute__((noreturn)); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 47 | |
| 48 | static void usage(void) |
| 49 | { |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 50 | fprintf(stderr, "Usage: ip -f inet6 tunnel { add | change | del | show } [ NAME ]\n"); |
YOSHIFUJI Hideaki / 吉藤英明 | 0b959b0 | 2007-10-12 16:51:22 +0900 | [diff] [blame] | 51 | fprintf(stderr, " [ mode { ip6ip6 | ipip6 | any } ]\n"); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 52 | fprintf(stderr, " [ remote ADDR local ADDR ] [ dev PHYS_DEV ]\n"); |
| 53 | fprintf(stderr, " [ encaplimit ELIM ]\n"); |
YOSHIFUJI Hideaki / 吉藤英明 | eddde11 | 2008-03-13 11:17:54 -0400 | [diff] [blame] | 54 | fprintf(stderr ," [ hoplimit TTL ] [ tclass TCLASS ] [ flowlabel FLOWLABEL ]\n"); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 55 | fprintf(stderr, " [ dscp inherit ]\n"); |
| 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"); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 65 | exit(-1); |
| 66 | } |
| 67 | |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 68 | static void print_tunnel(struct ip6_tnl_parm *p) |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 69 | { |
| 70 | char remote[64]; |
| 71 | char local[64]; |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 72 | |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 73 | inet_ntop(AF_INET6, &p->raddr, remote, sizeof(remote)); |
| 74 | inet_ntop(AF_INET6, &p->laddr, local, sizeof(local)); |
| 75 | |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 76 | printf("%s: %s/ipv6 remote %s local %s", |
| 77 | p->name, tnl_strproto(p->proto), remote, local); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 78 | if (p->link) { |
Stephen Hemminger | ea71bea | 2010-11-28 10:35:28 -0800 | [diff] [blame] | 79 | const char *n = ll_index_to_name(p->link); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 80 | if (n) |
| 81 | printf(" dev %s", n); |
| 82 | } |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 83 | |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 84 | if (p->flags & IP6_TNL_F_IGN_ENCAP_LIMIT) |
| 85 | printf(" encaplimit none"); |
| 86 | else |
| 87 | printf(" encaplimit %u", p->encap_limit); |
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 | printf(" hoplimit %u", p->hop_limit); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 90 | |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 91 | 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] | 92 | printf(" tclass inherit"); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 93 | else { |
| 94 | __u32 val = ntohl(p->flowinfo & IP6_FLOWINFO_TCLASS); |
YOSHIFUJI Hideaki / 吉藤英明 | eddde11 | 2008-03-13 11:17:54 -0400 | [diff] [blame] | 95 | printf(" tclass 0x%02x", (__u8)(val >> 20)); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 96 | } |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 97 | |
| 98 | 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] | 99 | printf(" flowlabel inherit"); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 100 | else |
YOSHIFUJI Hideaki / 吉藤英明 | eddde11 | 2008-03-13 11:17:54 -0400 | [diff] [blame] | 101 | printf(" flowlabel 0x%05x", ntohl(p->flowinfo & IP6_FLOWINFO_FLOWLABEL)); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 102 | |
| 103 | printf(" (flowinfo 0x%08x)", ntohl(p->flowinfo)); |
| 104 | |
| 105 | if (p->flags & IP6_TNL_F_RCV_DSCP_COPY) |
| 106 | printf(" dscp inherit"); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 107 | } |
| 108 | |
Jiri Benc | 21a5a6b | 2011-09-19 05:14:10 +0000 | [diff] [blame] | 109 | static int parse_args(int argc, char **argv, int cmd, struct ip6_tnl_parm *p) |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 110 | { |
Jiri Benc | 21a5a6b | 2011-09-19 05:14:10 +0000 | [diff] [blame] | 111 | int count = 0; |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 112 | char medium[IFNAMSIZ]; |
| 113 | |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 114 | memset(medium, 0, sizeof(medium)); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 115 | |
| 116 | while (argc > 0) { |
YOSHIFUJI Hideaki / 吉藤英明 | 0b959b0 | 2007-10-12 16:51:22 +0900 | [diff] [blame] | 117 | if (strcmp(*argv, "mode") == 0) { |
| 118 | NEXT_ARG(); |
| 119 | if (strcmp(*argv, "ipv6/ipv6") == 0 || |
| 120 | strcmp(*argv, "ip6ip6") == 0) |
| 121 | p->proto = IPPROTO_IPV6; |
| 122 | else if (strcmp(*argv, "ip/ipv6") == 0 || |
| 123 | strcmp(*argv, "ipv4/ipv6") == 0 || |
| 124 | strcmp(*argv, "ipip6") == 0 || |
| 125 | strcmp(*argv, "ip4ip6") == 0) |
| 126 | p->proto = IPPROTO_IPIP; |
| 127 | else if (strcmp(*argv, "any/ipv6") == 0 || |
| 128 | strcmp(*argv, "any") == 0) |
| 129 | p->proto = 0; |
| 130 | else { |
| 131 | fprintf(stderr,"Cannot guess tunnel mode.\n"); |
| 132 | exit(-1); |
| 133 | } |
| 134 | } else if (strcmp(*argv, "remote") == 0) { |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 135 | inet_prefix raddr; |
| 136 | NEXT_ARG(); |
| 137 | get_prefix(&raddr, *argv, preferred_family); |
| 138 | if (raddr.family == AF_UNSPEC) |
| 139 | invarg("\"remote\" address family is AF_UNSPEC", *argv); |
| 140 | memcpy(&p->raddr, &raddr.data, sizeof(p->raddr)); |
| 141 | } else if (strcmp(*argv, "local") == 0) { |
| 142 | inet_prefix laddr; |
| 143 | NEXT_ARG(); |
| 144 | get_prefix(&laddr, *argv, preferred_family); |
| 145 | if (laddr.family == AF_UNSPEC) |
| 146 | invarg("\"local\" address family is AF_UNSPEC", *argv); |
| 147 | memcpy(&p->laddr, &laddr.data, sizeof(p->laddr)); |
| 148 | } else if (strcmp(*argv, "dev") == 0) { |
| 149 | NEXT_ARG(); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 150 | strncpy(medium, *argv, IFNAMSIZ - 1); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 151 | } else if (strcmp(*argv, "encaplimit") == 0) { |
| 152 | NEXT_ARG(); |
| 153 | if (strcmp(*argv, "none") == 0) { |
| 154 | p->flags |= IP6_TNL_F_IGN_ENCAP_LIMIT; |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 155 | } else { |
| 156 | __u8 uval; |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 157 | if (get_u8(&uval, *argv, 0) < -1) |
| 158 | invarg("invalid ELIM", *argv); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 159 | p->encap_limit = uval; |
Nicolas Dichtel | 3f83dce | 2012-11-14 16:29:25 +0100 | [diff] [blame^] | 160 | p->flags &= ~IP6_TNL_F_IGN_ENCAP_LIMIT; |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 161 | } |
YOSHIFUJI Hideaki / 吉藤英明 | eddde11 | 2008-03-13 11:17:54 -0400 | [diff] [blame] | 162 | } else if (strcmp(*argv, "hoplimit") == 0 || |
| 163 | strcmp(*argv, "ttl") == 0 || |
| 164 | strcmp(*argv, "hlim") == 0) { |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 165 | __u8 uval; |
| 166 | NEXT_ARG(); |
| 167 | if (get_u8(&uval, *argv, 0)) |
YOSHIFUJI Hideaki / 吉藤英明 | eddde11 | 2008-03-13 11:17:54 -0400 | [diff] [blame] | 168 | invarg("invalid TTL", *argv); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 169 | p->hop_limit = uval; |
YOSHIFUJI Hideaki / 吉藤英明 | eddde11 | 2008-03-13 11:17:54 -0400 | [diff] [blame] | 170 | } else if (strcmp(*argv, "tclass") == 0 || |
| 171 | strcmp(*argv, "tc") == 0 || |
| 172 | strcmp(*argv, "tos") == 0 || |
| 173 | matches(*argv, "dsfield") == 0) { |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 174 | __u8 uval; |
| 175 | NEXT_ARG(); |
| 176 | if (strcmp(*argv, "inherit") == 0) |
| 177 | p->flags |= IP6_TNL_F_USE_ORIG_TCLASS; |
| 178 | else { |
| 179 | if (get_u8(&uval, *argv, 16)) |
YOSHIFUJI Hideaki / 吉藤英明 | eddde11 | 2008-03-13 11:17:54 -0400 | [diff] [blame] | 180 | invarg("invalid TClass", *argv); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 181 | p->flowinfo |= htonl((__u32)uval << 20) & IP6_FLOWINFO_TCLASS; |
| 182 | p->flags &= ~IP6_TNL_F_USE_ORIG_TCLASS; |
| 183 | } |
YOSHIFUJI Hideaki / 吉藤英明 | eddde11 | 2008-03-13 11:17:54 -0400 | [diff] [blame] | 184 | } else if (strcmp(*argv, "flowlabel") == 0 || |
| 185 | strcmp(*argv, "fl") == 0) { |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 186 | __u32 uval; |
| 187 | NEXT_ARG(); |
| 188 | if (strcmp(*argv, "inherit") == 0) |
| 189 | p->flags |= IP6_TNL_F_USE_ORIG_FLOWLABEL; |
| 190 | else { |
| 191 | if (get_u32(&uval, *argv, 16)) |
YOSHIFUJI Hideaki / 吉藤英明 | eddde11 | 2008-03-13 11:17:54 -0400 | [diff] [blame] | 192 | invarg("invalid Flowlabel", *argv); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 193 | if (uval > 0xFFFFF) |
YOSHIFUJI Hideaki / 吉藤英明 | eddde11 | 2008-03-13 11:17:54 -0400 | [diff] [blame] | 194 | invarg("invalid Flowlabel", *argv); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 195 | p->flowinfo |= htonl(uval) & IP6_FLOWINFO_FLOWLABEL; |
| 196 | p->flags &= ~IP6_TNL_F_USE_ORIG_FLOWLABEL; |
| 197 | } |
| 198 | } else if (strcmp(*argv, "dscp") == 0) { |
| 199 | NEXT_ARG(); |
| 200 | if (strcmp(*argv, "inherit") != 0) |
| 201 | invarg("not inherit", *argv); |
| 202 | p->flags |= IP6_TNL_F_RCV_DSCP_COPY; |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 203 | } else { |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 204 | if (strcmp(*argv, "name") == 0) { |
| 205 | NEXT_ARG(); |
| 206 | } |
| 207 | if (matches(*argv, "help") == 0) |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 208 | usage(); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 209 | if (p->name[0]) |
| 210 | duparg2("name", *argv); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 211 | strncpy(p->name, *argv, IFNAMSIZ - 1); |
Jiri Benc | 21a5a6b | 2011-09-19 05:14:10 +0000 | [diff] [blame] | 212 | if (cmd == SIOCCHGTUNNEL && count == 0) { |
| 213 | struct ip6_tnl_parm old_p; |
| 214 | memset(&old_p, 0, sizeof(old_p)); |
| 215 | if (tnl_get_ioctl(*argv, &old_p)) |
| 216 | return -1; |
| 217 | *p = old_p; |
| 218 | } |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 219 | } |
Jiri Benc | 21a5a6b | 2011-09-19 05:14:10 +0000 | [diff] [blame] | 220 | count++; |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 221 | argc--; argv++; |
| 222 | } |
| 223 | if (medium[0]) { |
Stephen Hemminger | ea71bea | 2010-11-28 10:35:28 -0800 | [diff] [blame] | 224 | p->link = ll_name_to_index(medium); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 225 | if (p->link == 0) |
| 226 | return -1; |
| 227 | } |
| 228 | return 0; |
| 229 | } |
| 230 | |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 231 | static void ip6_tnl_parm_init(struct ip6_tnl_parm *p, int apply_default) |
| 232 | { |
| 233 | memset(p, 0, sizeof(*p)); |
| 234 | p->proto = IPPROTO_IPV6; |
| 235 | if (apply_default) { |
| 236 | p->hop_limit = DEFAULT_TNL_HOP_LIMIT; |
| 237 | p->encap_limit = IPV6_DEFAULT_TNL_ENCAP_LIMIT; |
| 238 | } |
| 239 | } |
| 240 | |
| 241 | /* |
| 242 | * @p1: user specified parameter |
| 243 | * @p2: database entry |
| 244 | */ |
| 245 | static int ip6_tnl_parm_match(const struct ip6_tnl_parm *p1, |
| 246 | const struct ip6_tnl_parm *p2) |
| 247 | { |
| 248 | return ((!p1->link || p1->link == p2->link) && |
| 249 | (!p1->name[0] || strcmp(p1->name, p2->name) == 0) && |
| 250 | (memcmp(&p1->laddr, &in6addr_any, sizeof(p1->laddr)) == 0 || |
| 251 | memcmp(&p1->laddr, &p2->laddr, sizeof(p1->laddr)) == 0) && |
| 252 | (memcmp(&p1->raddr, &in6addr_any, sizeof(p1->raddr)) == 0 || |
| 253 | memcmp(&p1->raddr, &p2->raddr, sizeof(p1->raddr)) == 0) && |
| 254 | (!p1->proto || !p2->proto || p1->proto == p2->proto) && |
| 255 | (!p1->encap_limit || p1->encap_limit == p2->encap_limit) && |
| 256 | (!p1->hop_limit || p1->hop_limit == p2->hop_limit) && |
| 257 | (!(p1->flowinfo & IP6_FLOWINFO_TCLASS) || |
| 258 | !((p1->flowinfo ^ p2->flowinfo) & IP6_FLOWINFO_TCLASS)) && |
| 259 | (!(p1->flowinfo & IP6_FLOWINFO_FLOWLABEL) || |
| 260 | !((p1->flowinfo ^ p2->flowinfo) & IP6_FLOWINFO_FLOWLABEL)) && |
| 261 | (!p1->flags || (p1->flags & p2->flags))); |
| 262 | } |
| 263 | |
| 264 | static int do_tunnels_list(struct ip6_tnl_parm *p) |
| 265 | { |
| 266 | char buf[512]; |
| 267 | int err = -1; |
| 268 | FILE *fp = fopen("/proc/net/dev", "r"); |
| 269 | if (fp == NULL) { |
| 270 | perror("fopen"); |
| 271 | goto end; |
| 272 | } |
| 273 | |
| 274 | /* skip two lines at the begenning of the file */ |
Stephen Hemminger | 38c867d | 2011-03-09 10:41:09 -0800 | [diff] [blame] | 275 | if (!fgets(buf, sizeof(buf), fp) || |
| 276 | !fgets(buf, sizeof(buf), fp)) { |
| 277 | fprintf(stderr, "/proc/net/dev read error\n"); |
| 278 | return -1; |
| 279 | } |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 280 | |
| 281 | while (fgets(buf, sizeof(buf), fp) != NULL) { |
| 282 | char name[IFNAMSIZ]; |
Stephen Hemminger | ea71bea | 2010-11-28 10:35:28 -0800 | [diff] [blame] | 283 | int index, type; |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 284 | unsigned long rx_bytes, rx_packets, rx_errs, rx_drops, |
| 285 | rx_fifo, rx_frame, |
| 286 | tx_bytes, tx_packets, tx_errs, tx_drops, |
| 287 | tx_fifo, tx_colls, tx_carrier, rx_multi; |
| 288 | struct ip6_tnl_parm p1; |
| 289 | char *ptr; |
| 290 | |
| 291 | buf[sizeof(buf) - 1] = '\0'; |
| 292 | if ((ptr = strchr(buf, ':')) == NULL || |
| 293 | (*ptr++ = 0, sscanf(buf, "%s", name) != 1)) { |
| 294 | fprintf(stderr, "Wrong format of /proc/net/dev. Sorry.\n"); |
| 295 | goto end; |
| 296 | } |
| 297 | if (sscanf(ptr, "%ld%ld%ld%ld%ld%ld%ld%*d%ld%ld%ld%ld%ld%ld%ld", |
| 298 | &rx_bytes, &rx_packets, &rx_errs, &rx_drops, |
| 299 | &rx_fifo, &rx_frame, &rx_multi, |
| 300 | &tx_bytes, &tx_packets, &tx_errs, &tx_drops, |
| 301 | &tx_fifo, &tx_colls, &tx_carrier) != 14) |
| 302 | continue; |
| 303 | if (p->name[0] && strcmp(p->name, name)) |
| 304 | continue; |
Stephen Hemminger | ea71bea | 2010-11-28 10:35:28 -0800 | [diff] [blame] | 305 | index = ll_name_to_index(name); |
| 306 | if (index == 0) |
| 307 | continue; |
| 308 | type = ll_index_to_type(index); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 309 | if (type == -1) { |
| 310 | fprintf(stderr, "Failed to get type of [%s]\n", name); |
| 311 | continue; |
| 312 | } |
| 313 | if (type != ARPHRD_TUNNEL6) |
| 314 | continue; |
| 315 | memset(&p1, 0, sizeof(p1)); |
| 316 | ip6_tnl_parm_init(&p1, 0); |
| 317 | strcpy(p1.name, name); |
Stephen Hemminger | ea71bea | 2010-11-28 10:35:28 -0800 | [diff] [blame] | 318 | p1.link = ll_name_to_index(p1.name); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 319 | if (p1.link == 0) |
| 320 | continue; |
| 321 | if (tnl_get_ioctl(p1.name, &p1)) |
| 322 | continue; |
| 323 | if (!ip6_tnl_parm_match(p, &p1)) |
| 324 | continue; |
| 325 | print_tunnel(&p1); |
| 326 | if (show_stats) { |
| 327 | printf("%s", _SL_); |
| 328 | printf("RX: Packets Bytes Errors CsumErrs OutOfSeq Mcasts%s", _SL_); |
| 329 | printf(" %-10ld %-12ld %-6ld %-8ld %-8ld %-8ld%s", |
| 330 | rx_packets, rx_bytes, rx_errs, rx_frame, rx_fifo, rx_multi, _SL_); |
| 331 | printf("TX: Packets Bytes Errors DeadLoop NoRoute NoBufs%s", _SL_); |
| 332 | printf(" %-10ld %-12ld %-6ld %-8ld %-8ld %-6ld", |
| 333 | tx_packets, tx_bytes, tx_errs, tx_colls, tx_carrier, tx_drops); |
| 334 | } |
| 335 | printf("\n"); |
| 336 | } |
| 337 | err = 0; |
| 338 | |
| 339 | end: |
| 340 | if (fp) |
| 341 | fclose(fp); |
| 342 | return err; |
| 343 | } |
| 344 | |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 345 | static int do_show(int argc, char **argv) |
| 346 | { |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 347 | struct ip6_tnl_parm p; |
| 348 | |
Stephen Hemminger | ea71bea | 2010-11-28 10:35:28 -0800 | [diff] [blame] | 349 | ll_init_map(&rth); |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 350 | ip6_tnl_parm_init(&p, 0); |
Srivats P | c3651bf | 2009-03-27 11:17:26 -0700 | [diff] [blame] | 351 | p.proto = 0; /* default to any */ |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 352 | |
Jiri Benc | 21a5a6b | 2011-09-19 05:14:10 +0000 | [diff] [blame] | 353 | if (parse_args(argc, argv, SIOCGETTUNNEL, &p) < 0) |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 354 | return -1; |
| 355 | |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 356 | if (!p.name[0] || show_stats) |
| 357 | do_tunnels_list(&p); |
| 358 | else { |
| 359 | if (tnl_get_ioctl(p.name, &p)) |
| 360 | return -1; |
| 361 | print_tunnel(&p); |
| 362 | printf("\n"); |
| 363 | } |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 364 | |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 365 | return 0; |
| 366 | } |
| 367 | |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 368 | static int do_add(int cmd, int argc, char **argv) |
| 369 | { |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 370 | struct ip6_tnl_parm p; |
| 371 | |
| 372 | ip6_tnl_parm_init(&p, 1); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 373 | |
Jiri Benc | 21a5a6b | 2011-09-19 05:14:10 +0000 | [diff] [blame] | 374 | if (parse_args(argc, argv, cmd, &p) < 0) |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 375 | return -1; |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 376 | |
| 377 | return tnl_add_ioctl(cmd, |
| 378 | cmd == SIOCCHGTUNNEL && p.name[0] ? |
| 379 | p.name : "ip6tnl0", p.name, &p); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 380 | } |
| 381 | |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 382 | static int do_del(int argc, char **argv) |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 383 | { |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 384 | struct ip6_tnl_parm p; |
| 385 | |
| 386 | ip6_tnl_parm_init(&p, 1); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 387 | |
Jiri Benc | 21a5a6b | 2011-09-19 05:14:10 +0000 | [diff] [blame] | 388 | if (parse_args(argc, argv, SIOCDELTUNNEL, &p) < 0) |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 389 | return -1; |
| 390 | |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 391 | return tnl_del_ioctl(p.name[0] ? p.name : "ip6tnl0", p.name, &p); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 392 | } |
| 393 | |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 394 | int do_ip6tunnel(int argc, char **argv) |
| 395 | { |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 396 | switch (preferred_family) { |
| 397 | case AF_UNSPEC: |
| 398 | preferred_family = AF_INET6; |
| 399 | break; |
| 400 | case AF_INET6: |
| 401 | break; |
| 402 | default: |
| 403 | fprintf(stderr, "Unsupported family:%d\n", preferred_family); |
| 404 | exit(-1); |
| 405 | } |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 406 | |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 407 | if (argc > 0) { |
| 408 | if (matches(*argv, "add") == 0) |
| 409 | return do_add(SIOCADDTUNNEL, argc - 1, argv + 1); |
| 410 | if (matches(*argv, "change") == 0) |
| 411 | return do_add(SIOCCHGTUNNEL, argc - 1, argv + 1); |
Andreas Henriksson | 6e30461 | 2012-05-19 16:08:21 +0200 | [diff] [blame] | 412 | if (matches(*argv, "delete") == 0) |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 413 | return do_del(argc - 1, argv + 1); |
| 414 | if (matches(*argv, "show") == 0 || |
| 415 | matches(*argv, "lst") == 0 || |
| 416 | matches(*argv, "list") == 0) |
| 417 | return do_show(argc - 1, argv + 1); |
| 418 | if (matches(*argv, "help") == 0) |
| 419 | usage(); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 420 | } else |
| 421 | return do_show(0, NULL); |
| 422 | |
Masahide NAKAMURA | 288384f | 2006-11-24 12:27:09 +0900 | [diff] [blame] | 423 | fprintf(stderr, "Command \"%s\" is unknown, try \"ip -f inet6 tunnel help\".\n", *argv); |
| 424 | exit(-1); |
Masahide NAKAMURA | 9447a0d | 2006-11-24 12:27:06 +0900 | [diff] [blame] | 425 | } |