1*5d5fbe79SDavid van Moolenbroek /** 2*5d5fbe79SDavid van Moolenbroek * @file 3*5d5fbe79SDavid van Moolenbroek * 4*5d5fbe79SDavid van Moolenbroek * Neighbor discovery and stateless address autoconfiguration for IPv6. 5*5d5fbe79SDavid van Moolenbroek * Aims to be compliant with RFC 4861 (Neighbor discovery) and RFC 4862 6*5d5fbe79SDavid van Moolenbroek * (Address autoconfiguration). 7*5d5fbe79SDavid van Moolenbroek */ 8*5d5fbe79SDavid van Moolenbroek 9*5d5fbe79SDavid van Moolenbroek /* 10*5d5fbe79SDavid van Moolenbroek * Copyright (c) 2010 Inico Technologies Ltd. 11*5d5fbe79SDavid van Moolenbroek * All rights reserved. 12*5d5fbe79SDavid van Moolenbroek * 13*5d5fbe79SDavid van Moolenbroek * Redistribution and use in source and binary forms, with or without modification, 14*5d5fbe79SDavid van Moolenbroek * are permitted provided that the following conditions are met: 15*5d5fbe79SDavid van Moolenbroek * 16*5d5fbe79SDavid van Moolenbroek * 1. Redistributions of source code must retain the above copyright notice, 17*5d5fbe79SDavid van Moolenbroek * this list of conditions and the following disclaimer. 18*5d5fbe79SDavid van Moolenbroek * 2. Redistributions in binary form must reproduce the above copyright notice, 19*5d5fbe79SDavid van Moolenbroek * this list of conditions and the following disclaimer in the documentation 20*5d5fbe79SDavid van Moolenbroek * and/or other materials provided with the distribution. 21*5d5fbe79SDavid van Moolenbroek * 3. The name of the author may not be used to endorse or promote products 22*5d5fbe79SDavid van Moolenbroek * derived from this software without specific prior written permission. 23*5d5fbe79SDavid van Moolenbroek * 24*5d5fbe79SDavid van Moolenbroek * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 25*5d5fbe79SDavid van Moolenbroek * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 26*5d5fbe79SDavid van Moolenbroek * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 27*5d5fbe79SDavid van Moolenbroek * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 28*5d5fbe79SDavid van Moolenbroek * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 29*5d5fbe79SDavid van Moolenbroek * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30*5d5fbe79SDavid van Moolenbroek * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31*5d5fbe79SDavid van Moolenbroek * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 32*5d5fbe79SDavid van Moolenbroek * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 33*5d5fbe79SDavid van Moolenbroek * OF SUCH DAMAGE. 34*5d5fbe79SDavid van Moolenbroek * 35*5d5fbe79SDavid van Moolenbroek * This file is part of the lwIP TCP/IP stack. 36*5d5fbe79SDavid van Moolenbroek * 37*5d5fbe79SDavid van Moolenbroek * Author: Ivan Delamer <delamer@inicotech.com> 38*5d5fbe79SDavid van Moolenbroek * 39*5d5fbe79SDavid van Moolenbroek * 40*5d5fbe79SDavid van Moolenbroek * Please coordinate changes and requests with Ivan Delamer 41*5d5fbe79SDavid van Moolenbroek * <delamer@inicotech.com> 42*5d5fbe79SDavid van Moolenbroek */ 43*5d5fbe79SDavid van Moolenbroek 44*5d5fbe79SDavid van Moolenbroek #ifndef LWIP_HDR_ND6_H 45*5d5fbe79SDavid van Moolenbroek #define LWIP_HDR_ND6_H 46*5d5fbe79SDavid van Moolenbroek 47*5d5fbe79SDavid van Moolenbroek #include "lwip/opt.h" 48*5d5fbe79SDavid van Moolenbroek 49*5d5fbe79SDavid van Moolenbroek #if LWIP_IPV6 /* don't build if not configured for use in lwipopts.h */ 50*5d5fbe79SDavid van Moolenbroek 51*5d5fbe79SDavid van Moolenbroek #include "lwip/ip6_addr.h" 52*5d5fbe79SDavid van Moolenbroek #include "lwip/err.h" 53*5d5fbe79SDavid van Moolenbroek 54*5d5fbe79SDavid van Moolenbroek #ifdef __cplusplus 55*5d5fbe79SDavid van Moolenbroek extern "C" { 56*5d5fbe79SDavid van Moolenbroek #endif 57*5d5fbe79SDavid van Moolenbroek 58*5d5fbe79SDavid van Moolenbroek /** 1 second period */ 59*5d5fbe79SDavid van Moolenbroek #define ND6_TMR_INTERVAL 1000 60*5d5fbe79SDavid van Moolenbroek 61*5d5fbe79SDavid van Moolenbroek struct pbuf; 62*5d5fbe79SDavid van Moolenbroek struct netif; 63*5d5fbe79SDavid van Moolenbroek 64*5d5fbe79SDavid van Moolenbroek void nd6_tmr(void); 65*5d5fbe79SDavid van Moolenbroek void nd6_input(struct pbuf *p, struct netif *inp); 66*5d5fbe79SDavid van Moolenbroek void nd6_clear_destination_cache(void); 67*5d5fbe79SDavid van Moolenbroek struct netif *nd6_find_route(const ip6_addr_t *ip6addr); 68*5d5fbe79SDavid van Moolenbroek 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*5d5fbe79SDavid van Moolenbroek u16_t nd6_get_destination_mtu(const ip6_addr_t *ip6addr, struct netif *netif); 70*5d5fbe79SDavid van Moolenbroek #if LWIP_ND6_TCP_REACHABILITY_HINTS 71*5d5fbe79SDavid van Moolenbroek void nd6_reachability_hint(const ip6_addr_t *ip6addr); 72*5d5fbe79SDavid van Moolenbroek #endif /* LWIP_ND6_TCP_REACHABILITY_HINTS */ 73*5d5fbe79SDavid van Moolenbroek void nd6_cleanup_netif(struct netif *netif); 74*5d5fbe79SDavid van Moolenbroek #if LWIP_IPV6_MLD 75*5d5fbe79SDavid van Moolenbroek void nd6_adjust_mld_membership(struct netif *netif, s8_t addr_idx, u8_t new_state); 76*5d5fbe79SDavid van Moolenbroek #endif /* LWIP_IPV6_MLD */ 77*5d5fbe79SDavid van Moolenbroek 78*5d5fbe79SDavid van Moolenbroek #ifdef __cplusplus 79*5d5fbe79SDavid van Moolenbroek } 80*5d5fbe79SDavid van Moolenbroek #endif 81*5d5fbe79SDavid van Moolenbroek 82*5d5fbe79SDavid van Moolenbroek #endif /* LWIP_IPV6 */ 83*5d5fbe79SDavid van Moolenbroek 84*5d5fbe79SDavid van Moolenbroek #endif /* LWIP_HDR_ND6_H */ 85