minix/lib/liblwip/dist/src/include/lwip/nd6.h

   1 /**
   2  * @file
   3  *
   4  * Neighbor discovery and stateless address autoconfiguration for IPv6.
   5  * Aims to be compliant with RFC 4861 (Neighbor discovery) and RFC 4862
   6  * (Address autoconfiguration).
   7  */
   8
   9 /*
  10  * Copyright (c) 2010 Inico Technologies Ltd.
  11  * All rights reserved.
  12  *
  13  * Redistribution and use in source and binary forms, with or without modification,
  14  * are permitted provided that the following conditions are met:
  15  *
  16  * 1. Redistributions of source code must retain the above copyright notice,
  17  *    this list of conditions and the following disclaimer.
  18  * 2. Redistributions in binary form must reproduce the above copyright notice,
  19  *    this list of conditions and the following disclaimer in the documentation
  20  *    and/or other materials provided with the distribution.
  21  * 3. The name of the author may not be used to endorse or promote products
  22  *    derived from this software without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
  25  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  26  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
  27  * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  28  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
  29  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  30  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  31  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  32  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
  33  * OF SUCH DAMAGE.
  34  *
  35  * This file is part of the lwIP TCP/IP stack.
  36  *
  37  * Author: Ivan Delamer <delamer@inicotech.com>
  38  *
  39  *
  40  * Please coordinate changes and requests with Ivan Delamer
  41  * <delamer@inicotech.com>
  42  */
  43
  44 #ifndef LWIP_HDR_ND6_H
  45 #define LWIP_HDR_ND6_H
  46
  47 #include "lwip/opt.h"
  48
  49 #if LWIP_IPV6  /* don't build if not configured for use in lwipopts.h */
  50
  51 #include "lwip/ip6_addr.h"
  52 #include "lwip/err.h"
  53
  54 #ifdef __cplusplus
  55 extern "C" {
  56 #endif
  57
  58 /** 1 second period */
  59 #define ND6_TMR_INTERVAL 1000
  60
  61 struct pbuf;
  62 struct netif;
  63
  64 void nd6_tmr(void);
  65 void nd6_input(struct pbuf *p, struct netif *inp);
  66 void nd6_clear_destination_cache(void);
  67 struct netif *nd6_find_route(const ip6_addr_t *ip6addr);
  68 err_t nd6_get_next_hop_addr_or_queue(struct netif *netif, struct pbuf *q, const ip6_addr_t *ip6addr, const u8_t **hwaddrp);
  69 u16_t nd6_get_destination_mtu(const ip6_addr_t *ip6addr, struct netif *netif);
  70 #if LWIP_ND6_TCP_REACHABILITY_HINTS
  71 void nd6_reachability_hint(const ip6_addr_t *ip6addr);
  72 #endif /* LWIP_ND6_TCP_REACHABILITY_HINTS */
  73 void nd6_cleanup_netif(struct netif *netif);
  74 #if LWIP_IPV6_MLD
  75 void nd6_adjust_mld_membership(struct netif *netif, s8_t addr_idx, u8_t new_state);
  76 #endif /* LWIP_IPV6_MLD */
  77
  78 #ifdef __cplusplus
  79 }
  80 #endif
  81
  82 #endif /* LWIP_IPV6 */
  83
  84 #endif /* LWIP_HDR_ND6_H */