SourceVuESP-IDF Framework and ExamplesESP-IDFot::Ip6::ExtensionHeader::kLengthUnitSize

ot::Ip6::ExtensionHeader::kLengthUnitSize variable

This constant defines the size of Length unit in bytes. The Length field is in 8-bytes unit. The total size of `ExtensionHeader` MUST be a multiple of 8.

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Referrer

static constexpr uint16_t kLengthUnitSize = 8;

ip6_headers.hpp:354

SuccessOrExit(error = aMessage.InsertHeader(hbhSize, ExtensionHeader::kLengthUnitSize));

ip6.cpp:264

ot::Ip6::Ip6

ot::Ip6::Ip6::InsertMplOption()

aHeader.SetPayloadLength(aHeader.GetPayloadLength() + ExtensionHeader::kLengthUnitSize);

ip6.cpp:277

ot::Ip6::Ip6

ot::Ip6::Ip6::InsertMplOption()

else if (mplOffsetRange.GetOffset() + ExtensionHeader::kLengthUnitSize == offsetRange.GetEndOffset())

ip6.cpp:345

ot::Ip6::Ip6

ot::Ip6::Ip6::RemoveMplOption()

aMessage.RemoveHeader(offsetRange.GetEndOffset() - ExtensionHeader::kLengthUnitSize,

ip6.cpp:368

ot::Ip6::Ip6

ot::Ip6::Ip6::RemoveMplOption()

ExtensionHeader::kLengthUnitSize);

ip6.cpp:369

ot::Ip6::Ip6

ot::Ip6::Ip6::RemoveMplOption()

ip6Header.SetPayloadLength(ip6Header.GetPayloadLength() - ExtensionHeader::kLengthUnitSize);

ip6.cpp:384

ot::Ip6::Ip6

ot::Ip6::Ip6::RemoveMplOption()

uint8_t size = static_cast<uint8_t>(aHeaderSize % ExtensionHeader::kLengthUnitSize);

ip6_headers.cpp:122

ot::Ip6::PadOption

ot::Ip6::PadOption::InitToPadHeaderWithSize()

InitForPadSize(ExtensionHeader::kLengthUnitSize - size);

ip6_headers.cpp:125

ot::Ip6::PadOption

ot::Ip6::PadOption::InitToPadHeaderWithSize()

uint16_t GetSize(void) const { return kLengthUnitSize * (mLength + 1); }

ip6_headers.hpp:393

ot::Ip6::ExtensionHeader

ot::Ip6::ExtensionHeader::GetSize() const

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ot::Ip6::ExtensionHeader::kLengthUnitSize is read by 4 functions:

ot::Ip6::ExtensionHeader::kLengthUnitSize

ot::Ip6::ExtensionHeader::GetSize() const

ot::Ip6::Ip6::InsertMplOption()

ot::Ip6::Ip6::RemoveMplOption()

ot::Ip6::PadOption::InitToPadHeaderWithSize()

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ot::Ip6::ExtensionHeader::kLengthUnitSize variable

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