| /** |
| * @file |
| * |
| * Common 6LowPAN routines for IPv6. Uses ND tables for link-layer addressing. Fragments packets to 6LowPAN units. |
| */ |
| |
| /* |
| * Copyright (c) 2015 Inico Technologies Ltd. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without modification, |
| * are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT |
| * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT |
| * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
| * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY |
| * OF SUCH DAMAGE. |
| * |
| * This file is part of the lwIP TCP/IP stack. |
| * |
| * Author: Ivan Delamer <delamer@inicotech.com> |
| * |
| * |
| * Please coordinate changes and requests with Ivan Delamer |
| * <delamer@inicotech.com> |
| */ |
| |
| #ifndef LWIP_HDR_LOWPAN6_COMMON_H |
| #define LWIP_HDR_LOWPAN6_COMMON_H |
| |
| #include "netif/lowpan6_opts.h" |
| |
| #if LWIP_IPV6 /* don't build if IPv6 is disabled in lwipopts.h */ |
| |
| #include "lwip/pbuf.h" |
| #include "lwip/ip.h" |
| #include "lwip/ip6_addr.h" |
| #include "lwip/netif.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /** Helper define for a link layer address, which can be encoded as 0, 2 or 8 bytes */ |
| struct lowpan6_link_addr { |
| /* encoded length of the address */ |
| u8_t addr_len; |
| /* address bytes */ |
| u8_t addr[8]; |
| }; |
| |
| s8_t lowpan6_get_address_mode(const ip6_addr_t *ip6addr, const struct lowpan6_link_addr *mac_addr); |
| |
| #if LWIP_6LOWPAN_IPHC |
| err_t lowpan6_compress_headers(struct netif *netif, u8_t *inbuf, size_t inbuf_size, u8_t *outbuf, size_t outbuf_size, |
| u8_t *lowpan6_header_len_out, u8_t *hidden_header_len_out, ip6_addr_t *lowpan6_contexts, |
| const struct lowpan6_link_addr *src, const struct lowpan6_link_addr *dst); |
| struct pbuf *lowpan6_decompress(struct pbuf *p, u16_t datagram_size, ip6_addr_t *lowpan6_contexts, |
| struct lowpan6_link_addr *src, struct lowpan6_link_addr *dest); |
| #endif /* LWIP_6LOWPAN_IPHC */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* LWIP_IPV6 */ |
| |
| #endif /* LWIP_HDR_LOWPAN6_COMMON_H */ |
