Plain (untagged) Ethernet II frame header. More...

#include <protocol.h>

Collaboration diagram for profinet::EthernetHeader:

Public Member Functions
Bytes	ToBytes () const
	Serialize this header and its payload back to raw frame bytes.

Static Public Member Functions
static EthernetHeader	Parse (const Bytes &data)
	Parse an Ethernet header and payload from raw frame bytes.

Public Attributes
MacAddress	dst {}
	Destination MAC address.

MacAddress	src {}
	Source MAC address.

std::uint16_t	type = 0
	EtherType field.

Bytes	payload
	Frame payload following the header.

Detailed Description

Plain (untagged) Ethernet II frame header.

Definition at line 62 of file protocol.h.

Member Function Documentation

◆ Parse()

static EthernetHeader profinet::EthernetHeader::Parse ( const Bytes & data )

inlinestatic

Parse an Ethernet header and payload from raw frame bytes.

Parameters

data	Complete frame bytes, starting at the destination MAC.

Returns: The parsed header.

Definition at line 79 of file protocol.h.

References dst, profinet::wire::Reader::Fixed(), profinet::macAddressLength, payload, profinet::wire::Reader::ReadBytes(), profinet::wire::Reader::Remaining(), src, type, and profinet::wire::Reader::U16().

Referenced by profinet::dcp::ParseSetResponse(), and profinet::dcp::RecvSetResponse().

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◆ ToBytes()

Bytes profinet::EthernetHeader::ToBytes ( ) const

inline

Serialize this header and its payload back to raw frame bytes.

Returns: The encoded frame bytes.

Definition at line 97 of file protocol.h.

References dst, payload, profinet::wire::PutFixed(), profinet::wire::PutU16(), src, and type.

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Member Data Documentation

◆ dst

MacAddress profinet::EthernetHeader::dst {}

Destination MAC address.

Definition at line 65 of file protocol.h.

Referenced by Parse(), profinet::dcp::ReadResponse(), profinet::dcp::RecvSetResponse(), and ToBytes().

◆ payload

Bytes profinet::EthernetHeader::payload

Frame payload following the header.

Definition at line 74 of file protocol.h.

Referenced by Parse(), profinet::dcp::ParseSetResponse(), profinet::dcp::ReadResponse(), profinet::dcp::ReceiveHello(), profinet::dcp::RecvSetResponse(), and ToBytes().

◆ src

MacAddress profinet::EthernetHeader::src {}

Source MAC address.

Definition at line 68 of file protocol.h.

Referenced by Parse(), profinet::dcp::ReadResponse(), profinet::dcp::ReceiveHello(), and ToBytes().

◆ type

std::uint16_t profinet::EthernetHeader::type = 0

EtherType field.

Definition at line 71 of file protocol.h.