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93 lines
2.2 KiB
C
93 lines
2.2 KiB
C
/**
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* 6lowpan border router multiplexer
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*
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* Copyright (C) 2013 INRIA.
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*
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* This file is subject to the terms and conditions of the GNU Lesser General
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* Public License. See the file LICENSE in the top level directory for more
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* details.
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*
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* @ingroup sixlowpan
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* @{
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* @file bordermultiplex.h
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* @brief data structs for border router multiplexing
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* @author Martin Lenders <mlenders@inf.fu-berlin.de>
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* @author Oliver Hahm <oliver.hahm@inria.fr>
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* @}
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*/
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#ifndef _SIXLOWPAN_BORDERMULTIPLEX_H
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#define _SIXLOWPAN_BORDERMULTIPLEX_H
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#include <stdint.h>
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#include <stdlib.h>
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#include "ip.h"
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/* packet types of uart-packets */
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#define BORDER_PACKET_RAW_TYPE (0)
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#define BORDER_PACKET_CONF_TYPE (2)
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#define BORDER_PACKET_L3_TYPE (3)
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/* configuration types */
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#define BORDER_CONF_CONTEXT (2)
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#define BORDER_CONF_IPADDR (3)
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/* ethertypes for L3 packets */
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#define BORDER_ETHERTYPE_IPV6 (0x86DD)
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typedef struct __attribute__((packed)) {
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uint8_t empty;
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uint8_t type;
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uint8_t seq_num;
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} border_packet_t;
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typedef struct __attribute__((packed)) {
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uint8_t empty;
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uint8_t type;
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uint8_t seq_num;
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uint16_t ethertype;
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} border_l3_header_t;
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typedef struct __attribute__((packed)) {
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uint8_t empty;
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uint8_t type;
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uint8_t seq_num;
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uint8_t conftype;
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} border_conf_header_t;
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typedef struct __attribute__((packed)) {
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uint8_t empty;
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uint8_t type;
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uint8_t seq_num;
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uint8_t conftype;
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uint16_t version;
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ipv6_addr_t addr;
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} border_addr_packet_t;
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typedef struct __attribute__((packed)) {
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uint8_t empty;
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uint8_t type;
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uint8_t seq_num;
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uint8_t conftype;
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struct border_context_t {
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uint16_t version;
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uint8_t cid;
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ipv6_addr_t prefix;
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uint8_t length;
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uint8_t comp;
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uint16_t lifetime;
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} context;
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} border_context_packet_t;
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#define BORDER_BUFFER_SIZE (sizeof(border_l3_header_t) + IPV6_MTU)
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void demultiplex(border_packet_t *packet);
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void multiplex_send_ipv6_over_uart(ipv6_hdr_t *packet);
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void multiplex_send_addr_over_uart(ipv6_addr_t *addr);
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int readpacket(uint8_t *packet_buf, size_t size);
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int writepacket(uint8_t *packet_buf, size_t size);
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#endif /* _SIXLOWPAN_BORDERMULTIPLEX_H*/
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