[457] | 1 | /**
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| 2 | * @file
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| 3 | *
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| 4 | * Common 6LowPAN routines for IPv6. Uses ND tables for link-layer addressing. Fragments packets to 6LowPAN units.
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| 5 | */
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| 6 |
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| 7 | /*
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| 8 | * Copyright (c) 2015 Inico Technologies Ltd.
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| 9 | * All rights reserved.
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| 10 | *
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| 11 | * Redistribution and use in source and binary forms, with or without modification,
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| 12 | * are permitted provided that the following conditions are met:
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| 13 | *
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| 14 | * 1. Redistributions of source code must retain the above copyright notice,
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| 15 | * this list of conditions and the following disclaimer.
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| 16 | * 2. Redistributions in binary form must reproduce the above copyright notice,
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| 17 | * this list of conditions and the following disclaimer in the documentation
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| 18 | * and/or other materials provided with the distribution.
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| 19 | * 3. The name of the author may not be used to endorse or promote products
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| 20 | * derived from this software without specific prior written permission.
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| 21 | *
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| 22 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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| 23 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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| 24 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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| 25 | * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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| 26 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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| 27 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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| 28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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| 29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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| 30 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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| 31 | * OF SUCH DAMAGE.
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| 32 | *
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| 33 | * This file is part of the lwIP TCP/IP stack.
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| 34 | *
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| 35 | * Author: Ivan Delamer <delamer@inicotech.com>
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| 36 | *
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| 37 | *
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| 38 | * Please coordinate changes and requests with Ivan Delamer
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| 39 | * <delamer@inicotech.com>
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| 40 | */
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| 41 |
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| 42 | #ifndef LWIP_HDR_LOWPAN6_COMMON_H
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| 43 | #define LWIP_HDR_LOWPAN6_COMMON_H
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| 44 |
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| 45 | #include "netif/lowpan6_opts.h"
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| 46 |
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| 47 | #if LWIP_IPV6 /* don't build if IPv6 is disabled in lwipopts.h */
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| 48 |
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| 49 | #include "lwip/pbuf.h"
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| 50 | #include "lwip/ip.h"
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| 51 | #include "lwip/ip6_addr.h"
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| 52 | #include "lwip/netif.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 | /** Helper define for a link layer address, which can be encoded as 0, 2 or 8 bytes */
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| 59 | struct lowpan6_link_addr {
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| 60 | /* encoded length of the address */
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| 61 | u8_t addr_len;
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| 62 | /* address bytes */
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| 63 | u8_t addr[8];
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| 64 | };
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| 65 |
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| 66 | s8_t lowpan6_get_address_mode(const ip6_addr_t *ip6addr, const struct lowpan6_link_addr *mac_addr);
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| 67 |
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| 68 | #if LWIP_6LOWPAN_IPHC
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| 69 | err_t lowpan6_compress_headers(struct netif *netif, u8_t *inbuf, size_t inbuf_size, u8_t *outbuf, size_t outbuf_size,
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| 70 | u8_t *lowpan6_header_len_out, u8_t *hidden_header_len_out, ip6_addr_t *lowpan6_contexts,
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| 71 | const struct lowpan6_link_addr *src, const struct lowpan6_link_addr *dst);
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| 72 | struct pbuf *lowpan6_decompress(struct pbuf *p, u16_t datagram_size, ip6_addr_t *lowpan6_contexts,
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| 73 | struct lowpan6_link_addr *src, struct lowpan6_link_addr *dest);
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| 74 | #endif /* LWIP_6LOWPAN_IPHC */
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| 75 |
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| 76 | #ifdef __cplusplus
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| 77 | }
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| 78 | #endif
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| 79 |
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| 80 | #endif /* LWIP_IPV6 */
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| 81 |
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| 82 | #endif /* LWIP_HDR_LOWPAN6_COMMON_H */
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