import jcifs.internal.smb2.rdma.RdmaNegotiateResponse;

/**
 * DiSNI RDMA connection implementation.
 *
 * This class would integrate with the DiSNI library to provide
 * high-performance RDMA operations over InfiniBand/RoCE networks.
 *
 * Note: This is a skeleton implementation. A real implementation would
 * require proper DiSNI integration with actual RDMA hardware.
 */

        RdmaProvider provider = RdmaProviderFactory.createProvider("disni");
        // DiSNI may or may not be available depending on system configuration
        if (provider != null) {
            assertTrue(provider.isAvailable(), "If DiSNI provider is returned, it should be available");
            assertEquals("DiSNI (InfiniBand/RoCE)", provider.getProviderName());
        }
    }

    @Test

/**
 * DiSNI RDMA provider for InfiniBand/RoCE networks.
 *
 * This provider uses the DiSNI (Direct Storage and Networking Interface)
 * library to provide high-performance RDMA operations over InfiniBand
 * and RoCE (RDMA over Converged Ethernet) networks.
 */
public class DisniRdmaProvider implements RdmaProvider {

    /**
     * Creates a new DiSNI RDMA provider instance
     */

    // DiSNI objects - would be actual DiSNI types in real implementation
    private final Object endpoint; // RdmaActiveEndpoint
    private Object memoryRegister; // IbvMr (memory register)

    /**
     * Create new DiSNI memory region
     *
     * @param buffer memory buffer to register
     * @param access access permissions
     * @param endpoint DiSNI endpoint for registration
     */

}
```

### 4.5 RDMA Provider Implementations

#### 4.5.1 DiSNI Provider (InfiniBand/RoCE)
```java
package jcifs.internal.smb2.rdma.disni;

import com.ibm.disni.*;
import com.ibm.disni.verbs.*;

public class DisniRdmaProvider implements RdmaProvider {
    private RdmaActiveEndpointGroup<DisniRdmaEndpoint> endpointGroup;

        PropertyConfiguration config = new PropertyConfiguration(props);

        assertTrue(config.isUseRDMA(), "RDMA should be enabled");
        assertEquals("disni", config.getRdmaProvider(), "Provider should be disni");
        assertEquals(16384, config.getRdmaReadWriteThreshold(), "Threshold should be 16KB");
        assertEquals(131072, config.getRdmaMaxSendSize(), "Max send size should be 128KB");

     * @param preference provider preference ("auto", "disni", "tcp", etc.)
     * @return best available RDMA provider, or null if none available
     */
    public static RdmaProvider createProvider(String preference) {
        if ("auto".equalsIgnoreCase(preference)) {
            return selectBestProvider();
        }

        switch (preference.toLowerCase()) {
        case "disni":

├── RdmaChannel.java             - RDMA channel operations
└── RdmaProvider.java            - RDMA provider abstraction
```

#### 5.2 Implementation Tasks
- [ ] Research Java RDMA libraries (e.g., DiSNI, JXIO)
- [ ] Implement RDMA capability detection
- [ ] Create RDMA negotiation context
- [ ] Implement RDMA transport layer
- [ ] Add RDMA buffer registration
- [ ] Create RDMA read/write operations

     *
     * @return true if RDMA should be used, false otherwise
     */
    boolean isUseRDMA();

    /**
     * Get RDMA provider preference
     *
     * @return RDMA provider name ("auto", "disni", "tcp", etc.)
     */
    String getRdmaProvider();

    /**
     * Get RDMA read/write threshold
     *
     * Operations larger than this size will use RDMA read/write
     * instead of send/receive.

    // RDMA configuration
    /**
     * Flag indicating whether RDMA transport should be used when available
     */
    protected boolean useRDMA;
    /**
     * RDMA provider implementation to use (e.g. "disni" or "tcp")
     */
    protected String rdmaProvider;
    /**
     * Minimum size in bytes for using RDMA read/write operations
     */
    protected int rdmaReadWriteThreshold;
    /**