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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 #include "common/string.hpp" #include "mac/data_poll_sender.hpp" #include "platform/nexus_core.hpp" #include "platform/nexus_node.hpp" namespace ot { namespace Nexus { /** * Time to advance for a node to form a network and become leader. */ static constexpr uint32_t kFormNetworkTime = 13 * 1000; /** * Time to advance for a node to join as a child and upgrade to a router. */ static constexpr uint32_t kAttachToRouterTime = 200 * 1000; /** * Time to advance for a node to join as a child. */ static constexpr uint32_t kAttachAsChildTime = 5 * 1000; /** * Number of MED children. */ static constexpr uint16_t kNumMeds = 4; /** * Number of SED children. */ static constexpr uint16_t kNumSeds = 6; /** * IPv6 header size in octets. */ static constexpr uint16_t kIp6HeaderSize = 40; /** * ICMPv6 header size in octets. */ static constexpr uint16_t kIcmp6HeaderSize = 8; /** * Small ICMPv6 Echo Request payload size in octets. */ static constexpr uint16_t kSmallIcmpEchoPayloadSize = 106 - kIp6HeaderSize - kIcmp6HeaderSize; /** * Large ICMPv6 Echo Request datagram size in octets. */ static constexpr uint16_t kLargeIcmpEchoPayloadSize = 1280 - kIp6HeaderSize - kIcmp6HeaderSize; /** * Time to wait for ICMPv6 Echo replies. */ static constexpr uint32_t kEchoResponseWaitTime = 5 * 1000; /** * ICMPv6 Echo Request identifier for MED children. */ static constexpr uint16_t kMedEchoId = 1001; /** * ICMPv6 Echo Request identifier for SED children. */ static constexpr uint16_t kSedEchoId = 2001; static void CreateNodes(Core &aNexus, Node *aNodes[], uint16_t aCount, const char *aNamePrefix) { for (uint16_t i = 0; i < aCount; i++) { aNodes[i] = &aNexus.CreateNode(); aNodes[i]->SetName(aNamePrefix, i + 1); } } static void AllowLinkBetweenNodes(Node &aRouter, Node *aNodes[], uint16_t aCount) { for (uint16_t i = 0; i < aCount; i++) { AllowLinkBetween(aRouter, *aNodes[i]); } } static void VerifyChildren(Node *aNodes[], uint16_t aCount) { for (uint16_t i = 0; i < aCount; i++) { VerifyOrQuit(aNodes[i]->Get().IsChild()); } } void Test5_1_7(void) { /** * 5.1.7 Minimum Supported Children – IPv6 Datagram Buffering * * 5.1.7.1 Topology * - Leader * - Router_1 (DUT) * - MED_1 through MED_4 * - SED_1 through SED_6 * * 5.1.7.2 Purpose & Description * The purpose of this test case is to validate the minimum conformance requirements for router-capable devices: * - a) Minimum number of supported children. * - b) Minimum MTU requirement when sending/forwarding an IPv6 datagram to a SED. * - c) Minimum number of sent/forwarded IPv6 datagrams to SED children. * * Spec Reference | V1.1 Section | V1.3.0 Section * ---------------------|--------------|--------------- * Conformance Document | 2.2 | 2.2 */ Core nexus; Node &leader = nexus.CreateNode(); Node &router = nexus.CreateNode(); Node *meds[kNumMeds]; Node *seds[kNumSeds]; leader.SetName("LEADER"); router.SetName("ROUTER_1"); CreateNodes(nexus, meds, kNumMeds, "MED"); CreateNodes(nexus, seds, kNumSeds, "SED"); nexus.AdvanceTime(0); AllowLinkBetween(leader, router); AllowLinkBetweenNodes(router, meds, kNumMeds); AllowLinkBetweenNodes(router, seds, kNumSeds); Log("---------------------------------------------------------------------------------------"); Log("Step 1: Leader, Router_1 (DUT), Children"); /** * Step 1: Leader, Router_1 (DUT), Children * - Description: Create topology and attach MED_1, MED_2…MED_4, SED_1, SED_2…SED_6 children to the Router. * - Pass Criteria: * - The DUT MUST send properly formatted MLE Parent Response and MLE Child ID Response to each child. */ leader.Form(); nexus.AdvanceTime(kFormNetworkTime); VerifyOrQuit(leader.Get().IsLeader()); router.Join(leader); nexus.AdvanceTime(kAttachToRouterTime); VerifyOrQuit(router.Get().IsRouter()); for (uint16_t i = 0; i < kNumMeds; i++) { meds[i]->Join(router, Node::kAsMed); } nexus.AdvanceTime(kAttachAsChildTime); for (uint16_t i = 0; i < kNumSeds; i++) { seds[i]->Join(router, Node::kAsSed); SuccessOrQuit(seds[i]->Get().SetExternalPollPeriod(1000)); } nexus.AdvanceTime(kAttachAsChildTime); VerifyChildren(meds, kNumMeds); VerifyChildren(seds, kNumSeds); Log("---------------------------------------------------------------------------------------"); Log("Step 2: Leader"); /** * Step 2: Leader * - Description: Harness instructs the Leader to send an ICMPv6 Echo Request with IPv6 datagram size of 106 octets * to each MED. * - Pass Criteria: * - The DUT MUST properly forward ICMPv6 Echo Requests to all MED children. * - The DUT MUST properly forward ICMPv6 Echo Replies to the Leader. */ for (uint16_t i = 0; i < kNumMeds; i++) { leader.SendEchoRequest(meds[i]->Get().GetMeshLocalEid(), kMedEchoId + i, kSmallIcmpEchoPayloadSize); } nexus.AdvanceTime(kEchoResponseWaitTime); Log("---------------------------------------------------------------------------------------"); Log("Step 3: Leader"); /** * Step 3: Leader * - Description: Harness instructs the Leader to send an ICMPv6 Echo Request with IPv6 datagram size of 1280 octets * to SED_1 and ICMPv6 Echo Requests with IPv6 datagram size of 106 octets to SED_2, SED_3, SED_4, SED_5 and SED_6 * without waiting for ICMPv6 Echo Replies. * - Pass Criteria: * - The DUT MUST buffer all IPv6 datagrams. * - The DUT MUST properly forward ICMPv6 Echo Requests to all SED children. * - The DUT MUST properly forward ICMPv6 Echo Replies to the Leader. */ leader.SendEchoRequest(seds[0]->Get().GetMeshLocalEid(), kSedEchoId, kLargeIcmpEchoPayloadSize); for (uint16_t i = 1; i < kNumSeds; i++) { leader.SendEchoRequest(seds[i]->Get().GetMeshLocalEid(), kSedEchoId + i, kSmallIcmpEchoPayloadSize); } nexus.AdvanceTime(kEchoResponseWaitTime); nexus.SaveTestInfo("test_1_1_5_1_7.json"); } } // namespace Nexus } // namespace ot int main(void) { ot::Nexus::Test5_1_7(); printf("All tests passed\n"); return 0; }