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1 /**
2  * @file
3  *
4  * IPv6 layer.
5  */
6 
7 /*
8  * Copyright (c) 2010 Inico Technologies Ltd.
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without modification,
12  * are permitted provided that the following conditions are met:
13  *
14  * 1. Redistributions of source code must retain the above copyright notice,
15  *    this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright notice,
17  *    this list of conditions and the following disclaimer in the documentation
18  *    and/or other materials provided with the distribution.
19  * 3. The name of the author may not be used to endorse or promote products
20  *    derived from this software without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
23  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
24  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
25  * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
26  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
27  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
30  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
31  * OF SUCH DAMAGE.
32  *
33  * This file is part of the lwIP TCP/IP stack.
34  *
35  * Author: Ivan Delamer <delamer@inicotech.com>
36  *
37  *
38  * Please coordinate changes and requests with Ivan Delamer
39  * <delamer@inicotech.com>
40  */
41 #ifndef LWIP_HDR_IP6_H
42 #define LWIP_HDR_IP6_H
43 
44 #include "lwip/opt.h"
45 
46 #if LWIP_IPV6  /* don't build if not configured for use in lwipopts.h */
47 
48 #include "lwip/ip6_addr.h"
49 #include "lwip/prot/ip6.h"
50 #include "lwip/def.h"
51 #include "lwip/pbuf.h"
52 #include "lwip/netif.h"
53 
54 #include "lwip/err.h"
55 
56 #ifdef __cplusplus
57 extern "C" {
58 #endif
59 
60 #ifdef LOSCFG_NET_CONTAINER
61 struct netif *ip6_route(const ip6_addr_t *src, const ip6_addr_t *dest, struct net_group *group);
62 #else
63 struct netif *ip6_route(const ip6_addr_t *src, const ip6_addr_t *dest);
64 #endif
65 const ip_addr_t *ip6_select_source_address(struct netif *netif, const ip6_addr_t * dest);
66 err_t         ip6_input(struct pbuf *p, struct netif *inp);
67 err_t         ip6_output(struct pbuf *p, const ip6_addr_t *src, const ip6_addr_t *dest,
68                          u8_t hl, u8_t tc, u8_t nexth);
69 err_t         ip6_output_if(struct pbuf *p, const ip6_addr_t *src, const ip6_addr_t *dest,
70                             u8_t hl, u8_t tc, u8_t nexth, struct netif *netif);
71 err_t         ip6_output_if_src(struct pbuf *p, const ip6_addr_t *src, const ip6_addr_t *dest,
72                             u8_t hl, u8_t tc, u8_t nexth, struct netif *netif);
73 #if LWIP_NETIF_USE_HINTS
74 err_t         ip6_output_hinted(struct pbuf *p, const ip6_addr_t *src, const ip6_addr_t *dest,
75                                 u8_t hl, u8_t tc, u8_t nexth, struct netif_hint *netif_hint);
76 #endif /* LWIP_NETIF_USE_HINTS */
77 #if LWIP_IPV6_MLD
78 err_t         ip6_options_add_hbh_ra(struct pbuf * p, u8_t nexth, u8_t value);
79 #endif /* LWIP_IPV6_MLD */
80 
81 #define ip6_netif_get_local_ip(netif, dest) (((netif) != NULL) ? \
82   ip6_select_source_address(netif, dest) : NULL)
83 
84 #if IP6_DEBUG
85 void ip6_debug_print(struct pbuf *p);
86 #else
87 #define ip6_debug_print(p)
88 #endif /* IP6_DEBUG */
89 
90 
91 #ifdef __cplusplus
92 }
93 #endif
94 
95 #endif /* LWIP_IPV6 */
96 
97 #endif /* LWIP_HDR_IP6_H */
98