Start defining layer2 structures
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impl/src/layer2/layer2_structs.h
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43
impl/src/layer2/layer2_structs.h
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#ifndef LAYER2_STRUCTS_H
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#define LAYER2_STRUCTS_H
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#include <stdint.h>
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#include <stdbool.h>
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/* Common Link-layer Header */
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typedef enum {
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L2_MSG_TYPE_DATA = 0x0,
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L2_MSG_TYPE_CONN_MGMT = 0x1,
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L2_MSG_TYPE_CONNECTIONLESS = 0x4
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} layer2_message_type_t;
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typedef struct layer2_packet_header_s {
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layer2_message_type_t msg_type; //!< message type
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bool tx_request; //!< transmission request (marks the end of the burst)
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uint8_t src_addr_len; //!< source address length (in 16-bit words)
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uint8_t dst_addr_len; //!< destination address length (in 16-bit words)
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uint8_t tx_seq_nr; //!< sequence number of this packet
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uint8_t rx_seq_nr; //!< sequence number expected next from he other side
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uint8_t src_addr[8]; //!< source HAM-64 address
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uint8_t dst_addr[8]; //!< destination HAM-64 address
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} layer2_packet_header_t;
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/* Data Packet Structs */
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typedef enum {
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L2_PAYLOAD_TYPE_IPV4 = 0x00,
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L2_PAYLOAD_TYPE_IPV6 = 0x01
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} layer2_payload_type_t;
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typedef struct layer2_data_header_s {
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layer2_payload_type_t payload_type; //!< Type of the contained layer 3 packet
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} layer2_data_header_t;
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/* Connection Management Structs */
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// TODO
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#endif // LAYER2_STRUCTS_H
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