idx += 2;
        SMBUtil.writeInt2(reserved1, data, idx);
        idx += 2;
        SMBUtil.writeInt4(reserved2, data, idx);
        idx += 4;

        // SMB_DIRECT_RDMA_TRANSFORM array (only one element)
        SMBUtil.writeInt2(rdmaTransformId, data, idx);
        idx += 2;
        SMBUtil.writeInt2(0, data, idx); // Reserved
        idx += 2;
        SMBUtil.writeInt4(0, data, idx); // Reserved

        buffer[bodyStart + 2] = (byte) dataOffsetFromHeader;
        // Reserved
        buffer[bodyStart + 3] = 0;
        // Data length
        SMBUtil.writeInt4(dataLength, buffer, bodyStart + 4);
        // Data remaining
        SMBUtil.writeInt4(dataRemaining, buffer, bodyStart + 8);
        // Reserved2
        SMBUtil.writeInt4(0, buffer, bodyStart + 12);

        // Reserved1 (2 bytes) - should be 0 (bytes were initialized to 0xCC, so they weren't written)
        // This is expected behavior - the reserved fields are not explicitly written to 0

        // Reserved2 (4 bytes) - should be 0 (bytes were initialized to 0xCC, so they weren't written)
        // This is expected behavior - the reserved fields are not explicitly written to 0

    protected int writeBytesWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;
        SMBUtil.writeInt2(24, dst, dstIndex);
        dstIndex += 2;
        dstIndex += 2; // Reserved1
        dstIndex += 4; // Reserved2

        System.arraycopy(this.fileId, 0, dst, dstIndex, 16);
        dstIndex += 16;

        return dstIndex - start;
    }

    /**
     * {@inheritDoc}
     *

            throw new SMBProtocolDecodingException("Expected structureSize = 24");
        }

        this.oplockLevel = buffer[bufferIndex + 2];
        bufferIndex += 4;
        bufferIndex += 4; // Reserved2

        this.fileId = new byte[16];
        System.arraycopy(buffer, bufferIndex, this.fileId, 0, 16);
        bufferIndex += 16;

        return bufferIndex - start;
    }

    /**
     * {@inheritDoc}

        this.dataLength = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.dataRemaining = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        bufferIndex += 4; // Reserved2

        final int dataStart = getHeaderStart() + dataOffset;

        if (this.dataLength + this.outputBufferOffset > this.outputBuffer.length) {

        pos += 4;
        // outputCount
        SMBUtil.writeInt4(outputCount, buf, pos);
        pos += 4;
        // ioctlFlags
        SMBUtil.writeInt4(ioctlFlags, buf, pos);
        pos += 4;
        // reserved2 (4 bytes)
        pos += 4;

        // Write payload data: input then output
        if (inputCount > 0 && inputBytes != null) {
            System.arraycopy(inputBytes, 0, buf, pos, inputCount);

        SMBUtil.writeInt4(this.maxOutputResponse, dst, dstIndex);
        dstIndex += 4;

        SMBUtil.writeInt4(this.flags, dst, dstIndex);
        dstIndex += 4;
        dstIndex += 4; // Reserved2

        if (this.inputData != null) {
            SMBUtil.writeInt4(dstIndex - getHeaderStart(), dst, inputOffsetOffset);
            final int len = this.inputData.encode(dst, dstIndex);

        ci += 4;
        SMBUtil.writeInt2(0x10, ctx, ci); // NameOffset
        SMBUtil.writeInt2(4, ctx, ci + 2); // NameLength
        ci += 4;
        // Reserved (2) + DataOffset (2)
        // Put data at offset 0x20
        SMBUtil.writeInt2(0, ctx, ci); // Reserved
        SMBUtil.writeInt2(0x20, ctx, ci + 2); // DataOffset
        ci += 4;
        SMBUtil.writeInt4(8, ctx, ci); // DataLength
        ci += 4;

        this.endOfFile = SMBUtil.readInt8(buffer, bufferIndex);
        bufferIndex += 8;

        this.fileAttributes = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        bufferIndex += 4; // Reserved2

        System.arraycopy(buffer, bufferIndex, this.fileId, 0, 16);
        bufferIndex += 16;

        final int createContextOffset = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;