LXR linux/include/linux/in6.h

   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/*
   3 *      Types and definitions for AF_INET6 
   4 *      Linux INET6 implementation 
   5 *
   6 *      Authors:
   7 *      Pedro Roque             <roque@di.fc.ul.pt>     
   8 *
   9 *      Sources:
  10 *      IPv6 Program Interfaces for BSD Systems
  11 *      <draft-ietf-ipngwg-bsd-api-05.txt>
  12 *
  13 *      Advanced Sockets API for IPv6
  14 *      <draft-stevens-advanced-api-00.txt>
  15 */
  16#ifndef _LINUX_IN6_H
  17#define _LINUX_IN6_H
  18
  19#include <uapi/linux/in6.h>
  20
  21/* IPv6 Wildcard Address (::) and Loopback Address (::1) defined in RFC2553
  22 * NOTE: Be aware the IN6ADDR_* constants and in6addr_* externals are defined
  23 * in network byte order, not in host byte order as are the IPv4 equivalents
  24 */
  25extern const struct in6_addr in6addr_any;
  26#define IN6ADDR_ANY_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } } }
  27extern const struct in6_addr in6addr_loopback;
  28#define IN6ADDR_LOOPBACK_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } }
  29extern const struct in6_addr in6addr_linklocal_allnodes;
  30#define IN6ADDR_LINKLOCAL_ALLNODES_INIT \
  31                { { { 0xff,2,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } }
  32extern const struct in6_addr in6addr_linklocal_allrouters;
  33#define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \
  34                { { { 0xff,2,0,0,0,0,0,0,0,0,0,0,0,0,0,2 } } }
  35extern const struct in6_addr in6addr_interfacelocal_allnodes;
  36#define IN6ADDR_INTERFACELOCAL_ALLNODES_INIT \
  37                { { { 0xff,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } }
  38extern const struct in6_addr in6addr_interfacelocal_allrouters;
  39#define IN6ADDR_INTERFACELOCAL_ALLROUTERS_INIT \
  40                { { { 0xff,1,0,0,0,0,0,0,0,0,0,0,0,0,0,2 } } }
  41extern const struct in6_addr in6addr_sitelocal_allrouters;
  42#define IN6ADDR_SITELOCAL_ALLROUTERS_INIT \
  43                { { { 0xff,5,0,0,0,0,0,0,0,0,0,0,0,0,0,2 } } }
  44#endif
  45