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84 lines
2.2 KiB
C
84 lines
2.2 KiB
C
/* 6LoWPAN Border Router header file */
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#ifndef SIXLOWBORDER_H
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#define SIXLOWBORDER_H
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#include <stdint.h>
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#include <mutex.h>
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#include "sixlowip.h"
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#include "sixlowpan.h"
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#include "sixlownd.h"
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#include "semaphore.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)) border_packet_t {
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uint8_t reserved;
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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)) border_l3_header_t {
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uint8_t reserved;
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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)) border_conf_header_t {
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uint8_t reserved;
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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)) border_addr_packet_t {
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uint8_t reserved;
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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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ipv6_addr_t addr;
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} border_addr_packet_t;
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typedef struct __attribute__ ((packed)) border_context_packet_t {
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uint8_t reserved;
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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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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) + MTU)
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uint16_t border_get_serial_reader();
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uint8_t *get_serial_out_buffer(int offset);
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uint8_t *get_serial_in_buffer(int offset);
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uint8_t border_initialize(transceiver_type_t trans,ipv6_addr_t *border_router_addr);
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void demultiplex(border_packet_t *packet, int len);
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void multiplex_send_ipv6_over_uart(struct ipv6_hdr_t *packet);
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void multiplex_send_addr_over_uart(ipv6_addr_t *addr);
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void border_send_ipv6_over_lowpan(struct ipv6_hdr_t *packet, uint8_t aro_flag, uint8_t sixco_flag);
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void border_process_lowpan(void);
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int readpacket(uint8_t *packet_buf, int size);
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int writepacket(uint8_t *packet_buf, size_t size);
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#endif /* SIXLOWBORDER_H*/
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