release/src/router/dnsmasq/src/radv-protocol.h

   1 /* dnsmasq is Copyright (c) 2000-2013 Simon Kelley
   2
   3    This program is free software; you can redistribute it and/or modify
   4    it under the terms of the GNU General Public License as published by
   5    the Free Software Foundation; version 2 dated June, 1991, or
   6    (at your option) version 3 dated 29 June, 2007.
   7
   8    This program is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11    GNU General Public License for more details.
  12
  13    You should have received a copy of the GNU General Public License
  14    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15 */
  16
  17 #define ALL_NODES                 "FF02::1"
  18 #define ALL_ROUTERS               "FF02::2"
  19
  20 struct ping_packet {
  21   u8 type, code;
  22   u16 checksum;
  23   u16 identifier;
  24   u16 sequence_no;
  25 };
  26
  27 struct ra_packet {
  28   u8 type, code;
  29   u16 checksum;
  30   u8 hop_limit, flags;
  31   u16 lifetime;
  32   u32 reachable_time;
  33   u32 retrans_time;
  34 };
  35
  36 struct neigh_packet {
  37   u8 type, code;
  38   u16 checksum;
  39   u16 reserved;
  40   struct in6_addr target;
  41 };
  42
  43 struct prefix_opt {
  44   u8 type, len, prefix_len, flags;
  45   u32 valid_lifetime, preferred_lifetime, reserved;
  46   struct in6_addr prefix;
  47 };
  48
  49 #define ICMP6_OPT_SOURCE_MAC   1
  50 #define ICMP6_OPT_PREFIX       3
  51 #define ICMP6_OPT_MTU          5
  52 #define ICMP6_OPT_RDNSS       25
  53 #define ICMP6_OPT_DNSSL       31
  54
  55
  56