141 constexpr uint16_t kNumBuffers = OPENTHREAD_CONFIG_NUM_MESSAGE_BUFFERS;
142 constexpr uint16_t kBufferSize = OPENTHREAD_CONFIG_MESSAGE_BUFFER_SIZE;
219         uint16_t mLength;      // Current message length (number of bytes).
220         uint16_t mOffset;      // A byte offset within the message.
221         uint16_t mReserved;    // Number of reserved bytes (for header).
222         uint16_t mMeshDest;    // Used for unicast non-link-local messages.
223         uint16_t mPanId;       // PAN ID (used for MLE Discover Request and Response).
242     static constexpr uint16_t kBufferDataSize     = kBufferSize - sizeof(otMessageBuffer);
243     static constexpr uint16_t kHeadBufferDataSize = kBufferDataSize - sizeof(Metadata);
497     uint16_t GetLength(void) const { return GetMetadata().mLength; }  in GetLength()
507     Error SetLength(uint16_t aLength);
519     uint16_t GetOffset(void) const { return GetMetadata().mOffset; }  in GetOffset()
533     void SetOffset(uint16_t aOffset);
656     Error PrependBytes(const void *aBuf, uint16_t aLength);
685     void RemoveHeader(uint16_t aLength);
699     void RemoveHeader(uint16_t aOffset, uint16_t aLength);
715     Error InsertHeader(uint16_t aOffset, uint16_t aLength);
725     void RemoveFooter(uint16_t aLength);
738     Error AppendBytes(const void *aBuf, uint16_t aLength);
753     Error AppendBytesFromMessage(const Message &aMessage, uint16_t aOffset, uint16_t aLength);
818     uint16_t ReadBytes(uint16_t aOffset, void *aBuf, uint16_t aLength) const;
832     uint16_t ReadBytes(const OffsetRange &aOffsetRange, void *aBuf) const;
844     Error Read(uint16_t aOffset, void *aBuf, uint16_t aLength) const;
856     Error Read(const OffsetRange &aOffsetRange, void *aBuf, uint16_t aLength) const;
869     template <typename ObjectType> Error Read(uint16_t aOffset, ObjectType &aObject) const  in Read()
909 …bool CompareBytes(uint16_t aOffset, const void *aBuf, uint16_t aLength, ByteMatcher aMatcher = nul…
926     bool CompareBytes(uint16_t       aOffset,
928                       uint16_t       aOtherOffset,
929                       uint16_t       aLength,
946     template <typename ObjectType> bool Compare(uint16_t aOffset, const ObjectType &aObject) const  in Compare()
963     void WriteBytes(uint16_t aOffset, const void *aBuf, uint16_t aLength);
979 …void WriteBytesFromMessage(uint16_t aWriteOffset, const Message &aMessage, uint16_t aReadOffset, u…
992     template <typename ObjectType> void Write(uint16_t aOffset, const ObjectType &aObject)  in Write()
1010 …template <DataLengthType kDataLengthType> void WriteData(uint16_t aOffset, const Data<kDataLengthT…  in WriteData()
1026     Message *Clone(uint16_t aLength) const;
1081     uint16_t GetMeshDest(void) const { return GetMetadata().mMeshDest; }  in GetMeshDest()
1090     void SetMeshDest(uint16_t aMeshDest) { GetMetadata().mMeshDest = aMeshDest; }  in SetMeshDest()
1103     uint16_t GetPanId(void) const { return GetMetadata().mPanId; }  in GetPanId()
1112     void SetPanId(uint16_t aPanId) { GetMetadata().mPanId = aPanId; }  in SetPanId()
1512     uint16_t GetReserved(void) const { return GetMetadata().mReserved; }  in GetReserved()
1513     void     SetReserved(uint16_t aReservedHeader) { GetMetadata().mReserved = aReservedHeader; }  in SetReserved()
1532     void GetFirstChunk(uint16_t aOffset, uint16_t &aLength, Chunk &aChunk) const;
1533     void GetNextChunk(uint16_t &aLength, Chunk &aChunk) const;
1535     void GetFirstChunk(uint16_t aOffset, uint16_t &aLength, MutableChunk &aChunk)  in GetFirstChunk()
1540     void GetNextChunk(uint16_t &aLength, MutableChunk &aChunk)  in GetNextChunk()
1562     Error ResizeMessage(uint16_t aLength);
1826 …Message *Allocate(Message::Type aType, uint16_t aReserveHeader, const Message::Settings &aSettings…
1845     Message *Allocate(Message::Type aType, uint16_t aReserveHeader);
1859     uint16_t GetFreeBufferCount(void) const;
1866     uint16_t GetTotalBufferCount(void) const;
1874     uint16_t GetMaxUsedBufferCount(void) const { return mMaxAllocated; }  in GetMaxUsedBufferCount()
1891     uint16_t mNumAllocated;
1892     uint16_t mMaxAllocated;