Epagris
8044d8a8b6
- IGMP transmission reworked - IPv4: method for filling in checksum in rendered binary data added
59 lines
2.0 KiB
C
59 lines
2.0 KiB
C
#ifndef ETHERLIB_PACKET_H
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#define ETHERLIB_PACKET_H
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#include <stdint.h>
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#include <stdbool.h>
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/**
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* \struct RawPckt
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* \brief Raw packet received on wire
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*/
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typedef struct {
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uint8_t * payload; ///> Pointer to raw packet payload.
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uint32_t size; ///> Raw packet size.
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union {
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struct {
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uint32_t time_s; ///> Timestamp seconds field
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uint32_t time_ns; ///> Timestamp nanoseconds field
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} rx;
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struct {
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void(*txTsCb)(uint32_t ts_s, uint32_t ts_ns, uint32_t tag); ///> Transmit timestamp callback pointer
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uint32_t arg; ///> User-defined argument
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} tx;
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} ext; ///> Extensions
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struct {
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bool calculate_ethernet_CRC : 1; ///> Instruct the packet assembler to always computer FCS regardless of device capabilities
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} opts;
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} RawPckt;
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struct PcktHeaderElement_;
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/**
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* @struct Pckt
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* @brief Generic packet
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*
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* Fields have been reordered so that fields are aligned.
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*/
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typedef struct {
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uint64_t time_s; ///< Timestamp seconds part
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uint32_t time_ns; ///< Timestamp nanoseconds part.
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struct PcktHeaderElement_ * header; ///< Pointer to packet header. Points to the innermost header
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const uint8_t * payload; ///< Pointer to (innermost) payload.
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uint16_t headerSize; ///< Packet header size in bytes.
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uint16_t payloadSize; ///< Payload size in bytes.
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//uint16_t type; ///< Packet class indicator (e.g. UDP, TCP, IPv4 etc.)
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} Pckt;
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// typedef struct {
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// uint64_t time_s; ///< Timestamp seconds part
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// uint32_t time_ns; ///< Timestamp nanoseconds part.
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// struct PcktHeaderElement_ * header; ///< Pointer to packet header. Points to the innermost header
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// const uint8_t * payload; ///< Pointer to (innermost) payload.
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// uint16_t headerSize; ///< Packet header size in bytes.
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// uint16_t payloadSize; ///< Payload size in bytes.
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// //uint16_t type; ///< Packet class indicator (e.g. UDP, TCP, IPv4 etc.)
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// } ConstPckt;
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#endif //ETHERLIB_PACKET_H
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