nd6.h

00001 /**
00002  * @file
00003  *
00004  * Neighbor discovery and stateless address autoconfiguration for IPv6.
00005  * Aims to be compliant with RFC 4861 (Neighbor discovery) and RFC 4862
00006  * (Address autoconfiguration).
00007  */
00008 
00009 /*
00010  * Copyright (c) 2010 Inico Technologies Ltd.
00011  * All rights reserved.
00012  *
00013  * Redistribution and use in source and binary forms, with or without modification,
00014  * are permitted provided that the following conditions are met:
00015  *
00016  * 1. Redistributions of source code must retain the above copyright notice,
00017  *    this list of conditions and the following disclaimer.
00018  * 2. Redistributions in binary form must reproduce the above copyright notice,
00019  *    this list of conditions and the following disclaimer in the documentation
00020  *    and/or other materials provided with the distribution.
00021  * 3. The name of the author may not be used to endorse or promote products
00022  *    derived from this software without specific prior written permission.
00023  *
00024  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
00025  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
00026  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
00027  * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
00028  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
00029  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00030  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00031  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
00032  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
00033  * OF SUCH DAMAGE.
00034  *
00035  * This file is part of the lwIP TCP/IP stack.
00036  *
00037  * Author: Ivan Delamer <delamer@inicotech.com>
00038  *
00039  *
00040  * Please coordinate changes and requests with Ivan Delamer
00041  * <delamer@inicotech.com>
00042  */
00043 
00044 #ifndef LWIP_HDR_ND6_H
00045 #define LWIP_HDR_ND6_H
00046 
00047 #include "lwip/opt.h"
00048 
00049 #if LWIP_IPV6  /* don't build if not configured for use in lwipopts.h */
00050 
00051 #include "lwip/ip6_addr.h"
00052 #include "lwip/err.h"
00053 
00054 #ifdef __cplusplus
00055 extern "C" {
00056 #endif
00057 
00058 /** 1 second period */
00059 #define ND6_TMR_INTERVAL 1000
00060 
00061 struct pbuf;
00062 struct netif;
00063 
00064 void nd6_tmr(void);
00065 void nd6_input(struct pbuf *p, struct netif *inp);
00066 void nd6_clear_destination_cache(void);
00067 struct netif *nd6_find_route(const ip6_addr_t *ip6addr);
00068 err_t nd6_get_next_hop_addr_or_queue(struct netif *netif, struct pbuf *q, const ip6_addr_t *ip6addr, const u8_t **hwaddrp);
00069 u16_t nd6_get_destination_mtu(const ip6_addr_t *ip6addr, struct netif *netif);
00070 #if LWIP_ND6_TCP_REACHABILITY_HINTS
00071 void nd6_reachability_hint(const ip6_addr_t *ip6addr);
00072 #endif /* LWIP_ND6_TCP_REACHABILITY_HINTS */
00073 void nd6_cleanup_netif(struct netif *netif);
00074 #if LWIP_IPV6_MLD
00075 void nd6_adjust_mld_membership(struct netif *netif, s8_t addr_idx, u8_t new_state);
00076 #endif /* LWIP_IPV6_MLD */
00077 
00078 #ifdef __cplusplus
00079 }
00080 #endif
00081 
00082 #endif /* LWIP_IPV6 */
00083 
00084 #endif /* LWIP_HDR_ND6_H */