buf[idx++] = 5; // totalParameterCount low byte
        buf[idx++] = 0; // totalParameterCount high byte -> value 5
        buf[idx++] = 3; // totalDataCount low
        buf[idx++] = 0; // totalDataCount high
        idx += 2; // 2-byte reserved field (not 4 as the code shows)
        buf[6] = 2; // parameterCount low
        buf[7] = 0; // high
        buf[8] = 4; // parameterOffset low
        buf[9] = 0; // high

        byte[] data = new byte[8];
        long low = filetime.longValue();
        long high = filetime.shiftRight(32).longValue();

        // write little-endian
        data[0] = (byte) (low);
        data[1] = (byte) (low >> 8);
        data[2] = (byte) (low >> 16);
        data[3] = (byte) (low >> 24);
        data[4] = (byte) (high);
        data[5] = (byte) (high >> 8);

     */
    public static long readTime(final byte[] src, final int srcIndex) {
        final int low = readInt4(src, srcIndex);
        final int hi = readInt4(src, srcIndex + 4);
        long t = (long) hi << 32L | low & 0xFFFFFFFFL;
        return t / 10000L - SmbConstants.MILLISECONDS_BETWEEN_1970_AND_1601;
    }

    /**

        testBuffer = new byte[100];
        testBuffer[0] = 0x00; // Allow ACE
        testBuffer[1] = 0x03; // FLAGS_OBJECT_INHERIT | FLAGS_CONTAINER_INHERIT
        testBuffer[2] = 0x20; // Size low byte (32)
        testBuffer[3] = 0x00; // Size high byte
        testBuffer[4] = (byte) 0xA9; // Access mask byte 0
        testBuffer[5] = 0x00; // Access mask byte 1
        testBuffer[6] = 0x12; // Access mask byte 2

- Modify directory listing operations for caching
- Update change notification handling

---

### Phase 5: RDMA (SMB Direct) Support
**Priority: LOW** | **Estimated Effort: 8-10 weeks**

RDMA provides high-speed, low-latency data transfer for supported network adapters.

#### 5.1 Core RDMA Infrastructure
```
Package: jcifs.internal.smb2.rdma

        assertEquals((byte) 0x00, dst[10]); // questionType high byte
        assertEquals((byte) NameServicePacket.NB, dst[11]); // questionType low byte
        assertEquals((byte) 0x00, dst[12]); // questionClass high byte
        assertEquals((byte) NameServicePacket.IN, dst[13]); // questionClass low byte
    }

    @Test
    void testReadQuestionSectionWireFormat() {
        byte[] src = new byte[20];

    public static class uuid_t extends NdrObject {

        /**
         * Default constructor for uuid_t.
         */
        public uuid_t() {
            // Default constructor
        }

        /** The low field of the timestamp */
        public int time_low;
        /** The middle field of the timestamp */
        public short time_mid;
        /** The high field of the timestamp multiplexed with the version number */

        /**
         * Default constructor for uuid_t.
         */
        public uuid_t() {
            // Default constructor
        }

        /**
         * The low field of the timestamp.
         */
        public int time_low;
        /**
         * The middle field of the timestamp.
         */
        public short time_mid;
        /**

  private static long shiftMix(long val) {
    return val ^ (val >>> 47);
  }

  /** Implementation of Hash128to64 from util/hash/hash128to64.h */
  @VisibleForTesting
  static long hash128to64(long high, long low) {
    long a = (low ^ high) * K3;
    a ^= a >>> 47;
    long b = (high ^ a) * K3;
    b ^= b >>> 47;
    b *= K3;
    return b;
  }

  /**

        securityDescriptorBytes[22] = 8; // ACL size (low byte)
        securityDescriptorBytes[23] = 0; // ACL size (high byte)
        securityDescriptorBytes[24] = 0; // ACE count (low byte) - 0 ACEs
        securityDescriptorBytes[25] = 0; // ACE count (high byte)
        securityDescriptorBytes[26] = 0; // sbz2 (low byte)
        securityDescriptorBytes[27] = 0; // sbz2 (high byte)