message = "0x" + Hexdump.toHexString(errcode, 8);
        }
        return message;
    }

    static int getStatusByCode(final int errcode) {
        int statusCode;
        if ((errcode & 0xC0000000) != 0) {
            statusCode = errcode;
        } else if (dosErrorCodeStatuses.containsKey(errcode)) {
            statusCode = dosErrorCodeStatuses.get(errcode);
        } else {

     */

    static final int FILE_OVERWRITE_IF = 0x5;

    // create options
    static final int FILE_WRITE_THROUGH = 0x00000002;
    static final int FILE_SEQUENTIAL_ONLY = 0x00000004;
    static final int FILE_SYNCHRONOUS_IO_ALERT = 0x00000010;
    static final int FILE_SYNCHRONOUS_IO_NONALERT = 0x00000020;

    // security flags
    static final int SECURITY_CONTEXT_TRACKING = 0x01;
    static final int SECURITY_EFFECTIVE_ONLY = 0x02;

     *         value and the corresponding little-endian byte array.
     */
    static java.util.stream.Stream<Arguments> int32Provider() {
        return java.util.stream.Stream.of(Arguments.of(0x00000000, new byte[] { 0x00, 0x00, 0x00, 0x00 }),
                Arguments.of(0x12345678, new byte[] { 0x78, 0x56, 0x34, 0x12 }),
                Arguments.of(0xFFFFFFFF, new byte[] { (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF }),

        SMBUtil.writeInt4(status, buf, start + 8);
        // Command at +12
        SMBUtil.writeInt2(command, buf, start + 12);
        // Flags at +16: server-to-redirector
        SMBUtil.writeInt4(0x00000001, buf, start + 16);
        // SessionId at +40 (sync header)
        SMBUtil.writeInt8(sessionId, buf, start + 40);
    }

    /**
     * Build a SESSION_SETUP response body with specified flags and security blob.

            String boundaryUuid = "80000000-8000-8000-8080-808080808080";

            // Act
            UUID uuid = new UUID(boundaryUuid);

            // Assert
            assertEquals(0x80000000, uuid.time_low);
            assertEquals((short) 0x8000, uuid.time_mid);
            assertEquals((short) 0x8000, uuid.time_hi_and_version);
            assertEquals((byte) 0x80, uuid.clock_seq_hi_and_reserved);

    /** The handle is invalid */
    int NT_STATUS_INVALID_HANDLE = 0xC0000008;
    /** The parameter is incorrect */
    int NT_STATUS_INVALID_PARAMETER = 0xC000000d;
    /** The system cannot find the device specified */
    int NT_STATUS_NO_SUCH_DEVICE = 0xC000000e;
    /** The system cannot find the file specified */
    int NT_STATUS_NO_SUCH_FILE = 0xC000000f;
    /** More processing is required to complete this request */

     */

    static final int FILE_OVERWRITE_IF = 0x5;

    // create options
    static final int FILE_WRITE_THROUGH = 0x00000002;
    static final int FILE_SEQUENTIAL_ONLY = 0x00000004;
    static final int FILE_SYNCHRONOUS_IO_ALERT = 0x00000010;
    static final int FILE_SYNCHRONOUS_IO_NONALERT = 0x00000020;

    // security flags
    static final int SECURITY_CONTEXT_TRACKING = 0x01;
    static final int SECURITY_EFFECTIVE_ONLY = 0x02;

     */
    private static byte[] buildSmb2Header() {
        byte[] header = Arrays.copyOf(SMBUtil.SMB2_HEADER, SMBUtil.SMB2_HEADER.length);
        // Mark as server->client response for realism
        SMBUtil.writeInt4(0x00000001, header, 16); // Flags
        // Command SMB2_CREATE (0x0005)
        SMBUtil.writeInt2(0x0005, header, 12);
        // Some message id
        SMBUtil.writeInt8(1L, header, 24);
        return header;
    }

        // Write Command = SMB2_IOCTL (0x000B) at offset 12
        SMBUtil.writeInt2(0x000B, hdr, 12);
        // Mark as server response to be realistic (optional)
        SMBUtil.writeInt4(0x00000001, hdr, 16); // Flags = SMB2_FLAGS_SERVER_TO_REDIR
        return hdr;
    }

    // Helper: build SMB2 IOCTL response body (without header) with structureSize=49

    private boolean rssCapable;  // Receive Side Scaling
    private boolean rdmaCapable;
    
    // Capability flags
    public static final int NETWORK_INTERFACE_CAP_RSS = 0x00000001;
    public static final int NETWORK_INTERFACE_CAP_RDMA = 0x00000002;
    
    public NetworkInterfaceInfo(InetAddress address, int linkSpeed) {
        this.address = address;
        this.linkSpeed = linkSpeed;