tFoeHeaderDataUnion Union Reference

Union providing typed access to the FoE header data word, interpreted by OpMode. More...

#include <packet-ecatmb.h>

Public Attributes
uint32_t	FileLength
struct {
uint16_t   PacketNo
uint16_t   Reserved2
}	v
uint32_t	ErrorCode
struct {
uint16_t   Done
uint16_t   Entire
}	v2

Detailed Description

Union providing typed access to the FoE header data word, interpreted by OpMode.

Member Data Documentation

Done

uint16_t tFoeHeaderDataUnion::Done

Number of bytes already transferred (BUSY).

Entire

uint16_t tFoeHeaderDataUnion::Entire

Total number of bytes to be transferred (BUSY).

ErrorCode

uint32_t tFoeHeaderDataUnion::ErrorCode

FoE error code for ERR frames; see ECAT_FOE_ERRCODE_* values.

FileLength

uint32_t tFoeHeaderDataUnion::FileLength

Total file length in bytes for RRQ/WRQ; 0 if unknown.

PacketNo

uint16_t tFoeHeaderDataUnion::PacketNo

Sequential packet number for DATA and ACK frames.

Reserved2

uint16_t tFoeHeaderDataUnion::Reserved2

Reserved; must be zero (DATA, ACK).

[struct]

struct { ... } tFoeHeaderDataUnion::v

Structured access for DATA and ACK opcodes.

[struct]

struct { ... } tFoeHeaderDataUnion::v2

Structured access for BUSY opcode progress reporting.

---

The documentation for this union was generated from the following file:

• /builds/wireshark/wireshark/plugins/epan/ethercat/packet-ecatmb.h