[dua] add NdProxy table on Backbone Router (#5422)

2026-08-01 00:27:47 +00:00 · 2020-09-07 21:34:52 -07:00
parent 2280a54064
commit 1fedcb2426
19 changed files with 726 additions and 26 deletions
@@ -0,0 +1,123 @@
+/*
+ *  Copyright (c) 2020, The OpenThread Authors.
+ *  All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions are met:
+ *  1. Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *  3. Neither the name of the copyright holder nor the
+ *     names of its contributors may be used to endorse or promote products
+ *     derived from this software without specific prior written permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *  POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "openthread-core-config.h"
+
+#if OPENTHREAD_FTD && OPENTHREAD_CONFIG_BACKBONE_ROUTER_ENABLE
+
+#include "test_platform.h"
+
+#include <openthread/config.h>
+#include <openthread/ip6.h>
+
+#include "test_util.h"
+#include "backbone_router/ndproxy_table.hpp"
+#include "common/code_utils.hpp"
+#include "common/instance.hpp"
+
+namespace ot {
+
+static ot::Instance *sInstance;
+
+using namespace ot::BackboneRouter;
+
+Ip6::InterfaceIdentifier generateRandomIid(uint16_t aIndex)
+{
+    Ip6::InterfaceIdentifier iid;
+
+    Random::NonCrypto::FillBuffer(iid.mFields.m8, sizeof(iid));
+    iid.mFields.m16[3] = aIndex;
+
+    return iid;
+}
+
+void TestNdProxyTable(void)
+{
+    otError error;
+
+    sInstance = testInitInstance();
+    VerifyOrQuit(sInstance != nullptr, "Null OpenThread instance");
+
+    BackboneRouter::NdProxyTable &table = sInstance->Get<BackboneRouter::NdProxyTable>();
+
+    Ip6::InterfaceIdentifier existedAddressIid    = generateRandomIid(0);
+    Ip6::InterfaceIdentifier existedMeshLocalIid  = generateRandomIid(0);
+    Ip6::InterfaceIdentifier notExistAddressIid   = generateRandomIid(OPENTHREAD_CONFIG_NDPROXY_TABLE_ENTRY_NUM);
+    Ip6::InterfaceIdentifier notExistMeshLocalIid = generateRandomIid(OPENTHREAD_CONFIG_NDPROXY_TABLE_ENTRY_NUM);
+
+    // Reregister address IID when there are enough room should succeed.
+    error = table.Register(existedAddressIid, existedMeshLocalIid, 0, nullptr);
+    VerifyOrQuit(error == OT_ERROR_NONE, "Register failed");
+    VerifyOrQuit(table.IsRegistered(existedAddressIid), "should be registered");
+    VerifyOrQuit(!table.IsRegistered(notExistAddressIid), "should not be registered");
+
+    for (uint16_t i = 1; i < OPENTHREAD_CONFIG_NDPROXY_TABLE_ENTRY_NUM; i++)
+    {
+        Ip6::InterfaceIdentifier addressIid   = generateRandomIid(i);
+        Ip6::InterfaceIdentifier meshLocalIid = generateRandomIid(i);
+
+        // Reregister address IID when there are enough room should succeed.
+        error = table.Register(addressIid, meshLocalIid, i, nullptr);
+        VerifyOrQuit(error == OT_ERROR_NONE, "Register failed");
+
+        VerifyOrQuit(table.IsRegistered(addressIid), "should be registered");
+
+        // Reregister the same address IID should always succeed.
+        error = table.Register(addressIid, meshLocalIid, i, nullptr);
+        VerifyOrQuit(error == OT_ERROR_NONE, "Register again failed");
+
+        // Register the same address IID with a different ML-IID should fail.
+        error = table.Register(addressIid, notExistMeshLocalIid, i, nullptr);
+        VerifyOrQuit(error == OT_ERROR_DUPLICATED, "Register duplicate should fail");
+
+        VerifyOrQuit(table.IsRegistered(addressIid), "should be registered");
+    }
+
+    // Now the table is full, registering another IID should fail.
+    error =
+        table.Register(notExistAddressIid, notExistMeshLocalIid, OPENTHREAD_CONFIG_NDPROXY_TABLE_ENTRY_NUM, nullptr);
+    VerifyOrQuit(error == OT_ERROR_NO_BUFS, "should fail with no bufs");
+    VerifyOrQuit(!table.IsRegistered(notExistAddressIid), "should not be registered");
+}
+
+} // namespace ot
+
+int main(void)
+{
+    ot::TestNdProxyTable();
+
+    printf("\nAll tests passed.\n");
+    return 0;
+}
+
+#else
+int main(void)
+{
+    return 0;
+}
+#endif