diff --git a/dlls/nsiproxy.sys/device.c b/dlls/nsiproxy.sys/device.c
index 4ce5ddd6d83..88c65ff4602 100644
--- a/dlls/nsiproxy.sys/device.c
+++ b/dlls/nsiproxy.sys/device.c
@@ -82,6 +82,47 @@ static void nsiproxy_enumerate_all( IRP *irp )
     else irp->IoStatus.Information = 0;
 }
 
+static void nsiproxy_get_all_parameters( IRP *irp )
+{
+    IO_STACK_LOCATION *irpsp = IoGetCurrentIrpStackLocation( irp );
+    struct nsiproxy_get_all_parameters *in = (struct nsiproxy_get_all_parameters *)irp->AssociatedIrp.SystemBuffer;
+    DWORD in_len = irpsp->Parameters.DeviceIoControl.InputBufferLength;
+    BYTE *out = irp->AssociatedIrp.SystemBuffer;
+    DWORD out_len = irpsp->Parameters.DeviceIoControl.OutputBufferLength;
+    struct nsi_get_all_parameters_ex get_all;
+
+    if (in_len < FIELD_OFFSET(struct nsiproxy_get_all_parameters, key[0]) ||
+        in_len < FIELD_OFFSET(struct nsiproxy_get_all_parameters, key[in->key_size]))
+    {
+        irp->IoStatus.u.Status = STATUS_INVALID_PARAMETER;
+        return;
+    }
+
+    if (out_len < in->rw_size + in->dynamic_size + in->static_size)
+    {
+        irp->IoStatus.u.Status = STATUS_INVALID_PARAMETER;
+        return;
+    }
+
+    get_all.unknown[0] = 0;
+    get_all.unknown[1] = 0;
+    get_all.first_arg = in->first_arg;
+    get_all.unknown2 = 0;
+    get_all.module = &in->module;
+    get_all.table = in->table;
+    get_all.key = in->key;
+    get_all.key_size = in->key_size;
+    get_all.rw_data = out;
+    get_all.rw_size = in->rw_size;
+    get_all.dynamic_data = out + in->rw_size;
+    get_all.dynamic_size = in->dynamic_size;
+    get_all.static_data = out + in->rw_size + in->dynamic_size;
+    get_all.static_size = in->static_size;
+
+    irp->IoStatus.u.Status = nsi_get_all_parameters_ex( &get_all );
+    irp->IoStatus.Information = (irp->IoStatus.u.Status == STATUS_SUCCESS) ? out_len : 0;
+}
+
 static NTSTATUS WINAPI nsi_ioctl( DEVICE_OBJECT *device, IRP *irp )
 {
     IO_STACK_LOCATION *irpsp = IoGetCurrentIrpStackLocation( irp );
@@ -97,6 +138,10 @@ static NTSTATUS WINAPI nsi_ioctl( DEVICE_OBJECT *device, IRP *irp )
         nsiproxy_enumerate_all( irp );
         break;
 
+    case IOCTL_NSIPROXY_WINE_GET_ALL_PARAMETERS:
+        nsiproxy_get_all_parameters( irp );
+        break;
+
     default:
         FIXME( "ioctl %x not supported\n", irpsp->Parameters.DeviceIoControl.IoControlCode );
         irp->IoStatus.u.Status = STATUS_NOT_SUPPORTED;
diff --git a/dlls/nsiproxy.sys/nsi.c b/dlls/nsiproxy.sys/nsi.c
index 85b9be1e587..2bd8f32fdd7 100644
--- a/dlls/nsiproxy.sys/nsi.c
+++ b/dlls/nsiproxy.sys/nsi.c
@@ -74,3 +74,28 @@ NTSTATUS nsi_enumerate_all_ex( struct nsi_enumerate_all_ex *params )
 
     return entry->enumerate_all( data[0], sizes[0], data[1], sizes[1], data[2], sizes[2], data[3], sizes[3], &params->count );
 }
+
+NTSTATUS nsi_get_all_parameters_ex( struct nsi_get_all_parameters_ex *params )
+{
+    const struct module_table *entry = get_module_table( params->module, params->table );
+    void *rw = params->rw_data;
+    void *dyn = params->dynamic_data;
+    void *stat = params->static_data;
+
+    if (!entry || !entry->get_all_parameters)
+    {
+        WARN( "table not found\n" );
+        return STATUS_INVALID_PARAMETER;
+    }
+
+    if (params->key_size != entry->sizes[0]) return STATUS_INVALID_PARAMETER;
+    if (!params->rw_size) rw = NULL;
+    else if (params->rw_size != entry->sizes[1]) return STATUS_INVALID_PARAMETER;
+    if (!params->dynamic_size) dyn = NULL;
+    else if (params->dynamic_size != entry->sizes[2]) return STATUS_INVALID_PARAMETER;
+    if (!params->static_size) stat = NULL;
+    else if (params->static_size != entry->sizes[3]) return STATUS_INVALID_PARAMETER;
+
+    return entry->get_all_parameters( params->key, params->key_size, rw, params->rw_size,
+                                      dyn, params->dynamic_size, stat, params->static_size );
+}
diff --git a/dlls/nsiproxy.sys/nsiproxy_private.h b/dlls/nsiproxy.sys/nsiproxy_private.h
index 6745dbc6b56..37cbbd118c0 100644
--- a/dlls/nsiproxy.sys/nsiproxy_private.h
+++ b/dlls/nsiproxy.sys/nsiproxy_private.h
@@ -19,6 +19,7 @@
  */
 
 NTSTATUS nsi_enumerate_all_ex( struct nsi_enumerate_all_ex *params ) DECLSPEC_HIDDEN;
+NTSTATUS nsi_get_all_parameters_ex( struct nsi_get_all_parameters_ex *params ) DECLSPEC_HIDDEN;
 
 struct module_table
 {
@@ -27,6 +28,9 @@ struct module_table
     NTSTATUS (*enumerate_all)( void *key_data, DWORD key_size, void *rw_data, DWORD rw_size,
                                void *dynamic_data, DWORD dynamic_size,
                                void *static_data, DWORD static_size, DWORD_PTR *count );
+    NTSTATUS (*get_all_parameters)( const void *key, DWORD key_size, void *rw_data, DWORD rw_size,
+                                    void *dynamic_data, DWORD dynamic_size,
+                                    void *static_data, DWORD static_size );
 };
 
 struct module
diff --git a/include/wine/nsi.h b/include/wine/nsi.h
index 799485fc284..82183d78190 100644
--- a/include/wine/nsi.h
+++ b/include/wine/nsi.h
@@ -97,6 +97,7 @@ struct nsi_ndis_ifinfo_static
 /* Wine specific ioctl interface */
 
 #define IOCTL_NSIPROXY_WINE_ENUMERATE_ALL         CTL_CODE(FILE_DEVICE_NETWORK, 0x400, METHOD_BUFFERED, 0)
+#define IOCTL_NSIPROXY_WINE_GET_ALL_PARAMETERS    CTL_CODE(FILE_DEVICE_NETWORK, 0x401, METHOD_BUFFERED, 0)
 
 /* input for IOCTL_NSIPROXY_WINE_ENUMERATE_ALL */
 struct nsiproxy_enumerate_all
@@ -112,6 +113,19 @@ struct nsiproxy_enumerate_all
     DWORD count;
 };
 
+/* input for IOCTL_NSIPROXY_WINE_GET_ALL_PARAMETERS */
+struct nsiproxy_get_all_parameters
+{
+    NPI_MODULEID module;
+    DWORD first_arg;
+    DWORD table;
+    DWORD key_size;
+    DWORD rw_size;
+    DWORD dynamic_size;
+    DWORD static_size;
+    BYTE key[1]; /* key_size */
+};
+
 /* Undocumented Nsi api */
 
 #define NSI_PARAM_TYPE_RW      0