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105 lines
2.6 KiB
C
105 lines
2.6 KiB
C
/* 6LoWPAN IP header file */
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#ifndef SIXLOWIP_H
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#define SIXLOWIP_H
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#include <stdint.h>
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#define MSBA2_SENSOR_NODE 1
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/* set maximum transmission unit */
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#ifdef MSBA2_SENSOR_NODE
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#define MTU 0x3A
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#else
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#define MTU 0x0
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#endif
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#define IPV6_VERSION 0x60
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#define ICMP_NEXTHEADER 0x3A
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#define NEIGHBOR_DISCOVERY_HOPLIMIT 0xFF
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#define ICMP_HEADER_LENGTH 0x4
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#define IPV6_HEADER_LENGTH 0x28
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/* link layer protocol control information length*/
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#ifdef MSBA2_SENSOR_NODE
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#define LL_HEADER_LENGTH 0x4
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#else
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#define LL_HEADER_LENGTH 0x0
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#endif
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#define SIXLOWPAN_IPV6_LL_ADDR_LEN 8
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/* size of global buffer */
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#define BUFFER_SIZE (LL_HEADER_LENGTH + MTU)
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#define MSBA2_OUI 0x005BA2 // 24bit OUI
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#define R8BIT 0xA2 // random 8bit
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#ifdef MSBA2_SENSOR_NODE
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#define OUI 0x005BA2
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#else
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#define OUI 0x0
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#endif
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#define RADIO_CONF radio_cc1100
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#define RADIO RADIO_CONF
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#define MUTLIHOP_HOPLIMIT 64
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extern uint8_t ipv6_ext_hdr_len;
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#define LLHDR_IPV6HDR_LENGTH (LL_HEADER_LENGTH + IPV6_HEADER_LENGTH + ipv6_ext_hdr_len)
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#define LLHDR_ICMPV6HDR_LENGTH (LL_HEADER_LENGTH + IPV6_HEADER_LENGTH + ipv6_ext_hdr_len + ICMP_HEADER_LENGTH)
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#define IPV6HDR_ICMPV6HDR_LENGTH (IPV6_HEADER_LENGTH + ipv6_ext_hdr_len + ICMP_HEADER_LENGTH)
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/* global buffer*/
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uint8_t buffer[BUFFER_SIZE];
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/* packet length*/
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extern uint16_t packet_length;
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/* ipv6 extension header length */
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typedef union ipv6_addr{
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uint8_t uint8[16];
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uint16_t uint16[8];
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} ipv6_addr;
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struct icmpv6_hdr{
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uint8_t type;
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uint8_t code;
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uint16_t checksum;
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};
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struct ipv6_hdr{
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uint8_t version_trafficclass;
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uint8_t trafficclass_flowlabel;
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uint16_t flowlabel;
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uint16_t length;
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uint8_t nextheader;
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uint8_t hoplimit;
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ipv6_addr srcaddr;
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ipv6_addr destaddr;
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};
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typedef struct link_layer_addr{
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uint8_t uint8[8];
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} link_layer_addr;
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#define HTONS(a) (uint16_t)((((uint16_t) (a)) << 8) | (((uint16_t) (a)) >> 8))
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#define HTONL(a) ((((uint32_t) (a) & 0xff000000) >> 24) | \
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(((uint32_t) (a) & 0x00ff0000) >> 8) | \
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(((uint32_t) (a) & 0x0000ff00) << 8) | \
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(((uint32_t) (a) & 0x000000ff) << 24))
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void create_link_local_prefix(ipv6_addr *ipaddr);
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void create_all_routers_mcast_addr(ipv6_addr *ipaddr);
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void set_eui64(ipv6_addr *ipaddr);
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link_layer_addr* get_eui(ipv6_addr *ipaddr);
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void bootstrapping(void);
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#endif /* SIXLOWIP_H*/
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