EthernetFragmentPhyHeader

class

This class represents an Ethernet fragment PHY header as defined in the IEEE Std 802.3-2018, IEEE Standard for Ethernet.

0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +---------------------------------------------------------------+ | Preamble (0x55) | + +---------------+ | | SMD-Sx | +-----------------------------------------------+---------------+

0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +---------------------------------------------------------------+ | Preamble (0x55) | + +---------------+---------------+ | | SMD-Cx | FragNumber | +-------------------------------+---------------+---------------+

Usage diagram

The following diagram shows usage relationships between types. Unresolved types are missing from the diagram.

Inheritance diagram

The following diagram shows inheritance relationships for this type. Unresolved types are missing from the diagram.

Extends

Name	Type	Description
EthernetPhyHeaderBase	class	This is a base class for all IEEE 802.3 Ethernet PHY headers defined the IEEE Std 802.3-2018, IEEE Standard for Ethernet.

Fields

Name	Type	Description
preambleType	EthernetPhyHeaderType
smdNumber	uint8_t	0-3, see SMD_Sx or SMD_Cx
fragmentNumber	uint8_t	0-3 (real fragment number modulo 4)
chunkLength	b
id	int
mutable	bool
complete	bool
correct	bool
properlyRepresented	bool
rawBin	string[]
rawHex	string[]
regionTags	SharingRegionTagSet::TagBaseRegionTag[]

Source code

//
// This class represents an Ethernet fragment PHY header as defined in the IEEE
// Std 802.3-2018, IEEE Standard for Ethernet.
//
//  0                   1                   2                   3
//  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
// +---------------------------------------------------------------+
// |                        Preamble (0x55)                        |
// +                                               +---------------+
// |                                               |     SMD-Sx    |
// +-----------------------------------------------+---------------+
//
//  0                   1                   2                   3
//  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
// +---------------------------------------------------------------+
// |                        Preamble (0x55)                        |
// +                               +---------------+---------------+
// |                               |     SMD-Cx    |   FragNumber  |
// +-------------------------------+---------------+---------------+
//
class EthernetFragmentPhyHeader extends EthernetPhyHeaderBase
{
    EthernetPhyHeaderType preambleType = SFD;
    uint8_t smdNumber = 0;       // 0-3, see SMD_Sx or SMD_Cx
    uint8_t fragmentNumber = 0;  // 0-3 (real fragment number modulo 4)
}

File: src/inet/physicallayer/wired/ethernet/EthernetPhyHeader.msg