[457] | 1 | /**
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| 2 | * @file
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| 3 | *
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| 4 | * Neighbor discovery and stateless address autoconfiguration for IPv6.
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| 5 | * Aims to be compliant with RFC 4861 (Neighbor discovery) and RFC 4862
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| 6 | * (Address autoconfiguration).
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| 7 | */
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| 8 |
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| 9 | /*
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| 10 | * Copyright (c) 2010 Inico Technologies Ltd.
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| 11 | * All rights reserved.
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| 12 | *
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| 13 | * Redistribution and use in source and binary forms, with or without modification,
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| 14 | * are permitted provided that the following conditions are met:
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| 15 | *
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| 16 | * 1. Redistributions of source code must retain the above copyright notice,
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| 17 | * this list of conditions and the following disclaimer.
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| 18 | * 2. Redistributions in binary form must reproduce the above copyright notice,
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| 19 | * this list of conditions and the following disclaimer in the documentation
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| 20 | * and/or other materials provided with the distribution.
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| 21 | * 3. The name of the author may not be used to endorse or promote products
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| 22 | * derived from this software without specific prior written permission.
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| 23 | *
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| 24 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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| 25 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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| 26 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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| 27 | * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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| 28 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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| 29 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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| 30 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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| 31 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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| 32 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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| 33 | * OF SUCH DAMAGE.
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| 34 | *
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| 35 | * This file is part of the lwIP TCP/IP stack.
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| 36 | *
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| 37 | * Author: Ivan Delamer <delamer@inicotech.com>
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| 38 | *
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| 39 | *
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| 40 | * Please coordinate changes and requests with Ivan Delamer
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| 41 | * <delamer@inicotech.com>
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| 42 | */
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| 43 |
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| 44 | #ifndef LWIP_HDR_ND6_H
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| 45 | #define LWIP_HDR_ND6_H
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| 46 |
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| 47 | #include "lwip/opt.h"
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| 48 |
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| 49 | #if LWIP_IPV6 /* don't build if not configured for use in lwipopts.h */
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| 50 |
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| 51 | #include "lwip/ip6_addr.h"
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| 52 | #include "lwip/err.h"
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| 53 |
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| 54 | #ifdef __cplusplus
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| 55 | extern "C" {
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| 56 | #endif
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| 57 |
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| 58 | /** 1 second period */
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| 59 | #define ND6_TMR_INTERVAL 1000
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| 60 |
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| 61 | /** Router solicitations are sent in 4 second intervals (see RFC 4861, ch. 6.3.7) */
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| 62 | #ifndef ND6_RTR_SOLICITATION_INTERVAL
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| 63 | #define ND6_RTR_SOLICITATION_INTERVAL 4000
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| 64 | #endif
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| 65 |
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| 66 | struct pbuf;
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| 67 | struct netif;
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| 68 |
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| 69 | void nd6_tmr(void);
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| 70 | void nd6_input(struct pbuf *p, struct netif *inp);
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| 71 | void nd6_clear_destination_cache(void);
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| 72 | struct netif *nd6_find_route(const ip6_addr_t *ip6addr);
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| 73 | err_t nd6_get_next_hop_addr_or_queue(struct netif *netif, struct pbuf *q, const ip6_addr_t *ip6addr, const u8_t **hwaddrp);
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| 74 | u16_t nd6_get_destination_mtu(const ip6_addr_t *ip6addr, struct netif *netif);
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| 75 | #if LWIP_ND6_TCP_REACHABILITY_HINTS
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| 76 | void nd6_reachability_hint(const ip6_addr_t *ip6addr);
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| 77 | #endif /* LWIP_ND6_TCP_REACHABILITY_HINTS */
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| 78 | void nd6_cleanup_netif(struct netif *netif);
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| 79 | #if LWIP_IPV6_MLD
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| 80 | void nd6_adjust_mld_membership(struct netif *netif, s8_t addr_idx, u8_t new_state);
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| 81 | #endif /* LWIP_IPV6_MLD */
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| 82 | void nd6_restart_netif(struct netif *netif);
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| 83 |
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| 84 | #ifdef __cplusplus
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| 85 | }
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| 86 | #endif
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| 87 |
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| 88 | #endif /* LWIP_IPV6 */
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| 89 |
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| 90 | #endif /* LWIP_HDR_ND6_H */
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