| // Copyright 2023 The ChromiumOS Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package cellular |
| |
| import ( |
| "context" |
| "time" |
| |
| "github.com/golang/protobuf/ptypes/empty" |
| |
| "go.chromium.org/tast-tests/cros/common/shillconst" |
| "go.chromium.org/tast-tests/cros/remote/cellular/callbox/manager" |
| "go.chromium.org/tast/core/errors" |
| "go.chromium.org/tast/core/testing" |
| ) |
| |
| type interRatTestCase struct { |
| startingOptions *manager.ConfigureCallboxRequestBody |
| handovers []manager.HandoverRequestBody |
| } |
| |
| func init() { |
| testing.AddTest(&testing.Test{ |
| Func: HandoverInterRat, |
| LacrosStatus: testing.LacrosVariantUnneeded, |
| Desc: "Verifies that the DUT is able to handover between two RATs", |
| Contacts: []string{ |
| "chromeos-cellular-team@google.com", |
| "jstanko@google.com", |
| }, |
| BugComponent: "b:167157", |
| Attr: []string{"group:cellular", "cellular_callbox", "cellular_run_isolated", "cellular_handover"}, |
| ServiceDeps: []string{"tast.cros.cellular.RemoteCellularService"}, |
| SoftwareDeps: []string{"chrome"}, |
| Fixture: "callboxManagedFixture", |
| Timeout: 12 * time.Minute, |
| Params: []testing.Param{ |
| { |
| Name: "lte_wcdma", |
| ExtraAttr: []string{"cellular_cmw_callbox"}, |
| Val: interRatTestCase{ |
| startingOptions: &manager.ConfigureCallboxRequestBody{ |
| CellularType: manager.CellularTechnologyLTE, |
| Parameters: []manager.CellConfiguration{ |
| manager.NewLteCellConfiguration( |
| manager.BandOption(2), |
| manager.BandwidthOption(manager.Bandwidth20MHz), |
| ), |
| }, |
| }, |
| handovers: []manager.HandoverRequestBody{ |
| manager.HandoverRequestBody{ |
| Destination: manager.CellularTechnologyWCDMA, |
| Band: 5, |
| Channel: 4357, |
| }, |
| manager.HandoverRequestBody{ |
| Destination: manager.CellularTechnologyWCDMA, |
| Band: 8, |
| Channel: 2937, |
| }, |
| manager.HandoverRequestBody{ |
| Destination: manager.CellularTechnologyLTE, |
| Band: 3, |
| Channel: 1575, |
| Bandwidth: 15, |
| }, |
| }, |
| }, |
| }, |
| { |
| Name: "nsa_lte", |
| ExtraAttr: []string{"cellular_cmx_callbox"}, |
| Val: interRatTestCase{ |
| startingOptions: &manager.ConfigureCallboxRequestBody{ |
| CellularType: manager.CellularTechnologyNR5GNSA, |
| Parameters: []manager.CellConfiguration{ |
| manager.NewLteCellConfiguration( |
| manager.BandOption(1), |
| manager.AntennaOption(manager.MimoMode4x4, manager.TransmissionMode3), |
| ), |
| manager.New5GNSACellConfiguration( |
| manager.NBandOption(78), |
| manager.SchedulingOption(100, 100, 4, 4), |
| manager.AntennaOption(manager.MimoMode4x4, manager.TransmissionMode3), |
| ), |
| manager.NewLteCellConfiguration( |
| manager.BandOption(3), |
| manager.AntennaOption(manager.MimoMode4x4, manager.TransmissionMode3), |
| manager.TrackingAreaOption(2), |
| ), |
| }, |
| }, |
| handovers: []manager.HandoverRequestBody{ |
| manager.HandoverRequestBody{ |
| Destination: manager.CellularTechnologyLTE, |
| Band: 3, |
| Channel: 1575, |
| Bandwidth: 15, |
| }, |
| manager.HandoverRequestBody{ |
| Destination: manager.CellularTechnologyNR5GNSA, |
| Band: 1, |
| Channel: 300, |
| Bandwidth: 20, |
| SecondaryBand: 78, |
| SecondaryChannel: 633696, |
| SecondaryBandwidth: 20, |
| }, |
| }, |
| }, |
| }, |
| { |
| // NSA -> NSA is technically Inter-RAT since it's really NSA -> LTE -> NSA |
| Name: "nsa_nsa", |
| ExtraAttr: []string{"cellular_cmx_callbox"}, |
| Val: interRatTestCase{ |
| startingOptions: &manager.ConfigureCallboxRequestBody{ |
| CellularType: manager.CellularTechnologyNR5GNSA, |
| Parameters: []manager.CellConfiguration{ |
| manager.NewLteCellConfiguration( |
| manager.BandOption(1), |
| manager.SchedulingOption(50, 50, 4, 4), |
| manager.AntennaOption(manager.MimoMode4x4, manager.TransmissionMode3), |
| ), |
| manager.New5GNSACellConfiguration( |
| manager.NBandOption(78), |
| manager.SchedulingOption(100, 100, 4, 4), |
| manager.AntennaOption(manager.MimoMode4x4, manager.TransmissionMode3), |
| ), |
| manager.NewLteCellConfiguration( |
| manager.BandOption(1), |
| manager.SchedulingOption(50, 50, 4, 4), |
| manager.AntennaOption(manager.MimoMode4x4, manager.TransmissionMode3), |
| manager.TrackingAreaOption(2), |
| ), |
| manager.New5GNSACellConfiguration( |
| manager.NBandOption(78), |
| manager.SchedulingOption(100, 100, 4, 4), |
| manager.AntennaOption(manager.MimoMode4x4, manager.TransmissionMode3), |
| manager.TrackingAreaOption(2), |
| ), |
| }, |
| }, |
| handovers: []manager.HandoverRequestBody{ |
| manager.HandoverRequestBody{ |
| Destination: manager.CellularTechnologyNR5GNSA, |
| Band: 1, |
| Channel: 300, |
| Bandwidth: 20, |
| SecondaryBand: 78, |
| SecondaryChannel: 633696, |
| SecondaryBandwidth: 20, |
| }, |
| manager.HandoverRequestBody{ |
| Destination: manager.CellularTechnologyNR5GNSA, |
| Band: 1, |
| Channel: 300, |
| Bandwidth: 20, |
| SecondaryBand: 78, |
| SecondaryChannel: 633696, |
| SecondaryBandwidth: 20, |
| }, |
| }, |
| }, |
| }, |
| { |
| Name: "nr5gsa_lte", |
| ExtraAttr: []string{"cellular_cmx_callbox"}, |
| Val: interRatTestCase{ |
| startingOptions: &manager.ConfigureCallboxRequestBody{ |
| CellularType: manager.CellularTechnologyNR5GSA, |
| Parameters: []manager.CellConfiguration{ |
| manager.New5GNSACellConfiguration( |
| manager.NBandOption(78), |
| manager.SchedulingOption(100, 100, 4, 4), |
| ), |
| manager.NewLteCellConfiguration( |
| manager.BandOption(3), |
| manager.SchedulingOption(50, 50, 4, 4), |
| manager.TrackingAreaOption(2), |
| ), |
| }, |
| }, |
| handovers: []manager.HandoverRequestBody{ |
| manager.HandoverRequestBody{ |
| Destination: manager.CellularTechnologyLTE, |
| Band: 3, |
| Channel: 1575, |
| Bandwidth: 15, |
| }, |
| manager.HandoverRequestBody{ |
| Destination: manager.CellularTechnologyNR5GSA, |
| Band: 78, |
| Channel: 633696, |
| Bandwidth: 100, |
| }, |
| }, |
| }, |
| }, |
| }, |
| }) |
| } |
| |
| var ratMap = map[manager.CellularTechnology]string{ |
| manager.CellularTechnologyLTE: shillconst.CellularNetworkTechnologyLTE, |
| manager.CellularTechnologyWCDMA: shillconst.CellularNetworkTechnologyUMTS, |
| manager.CellularTechnologyNR5GNSA: shillconst.CellularNetworkTechnology5GNR, |
| manager.CellularTechnologyNR5GSA: shillconst.CellularNetworkTechnology5GNR, |
| } |
| |
| func HandoverInterRat(ctx context.Context, s *testing.State) { |
| tc := s.Param().(interRatTestCase) |
| tf := s.FixtValue().(*manager.TestFixture) |
| dutConn := s.DUT().Conn() |
| |
| if err := tf.ConnectToCallbox(ctx, dutConn, tc.startingOptions); err != nil { |
| s.Fatal("Failed to initialize cellular connection: ", err) |
| } |
| |
| // cycle through the requested RATs |
| for _, config := range tc.handovers { |
| s.Logf("Starting handover to technology: %s, band: %d", config.Destination, config.Band) |
| if err := tf.CallboxManagerClient.Handover(ctx, &config); err != nil { |
| s.Fatal("Failed to perform handover: ", err) |
| } |
| |
| // verify network type |
| if err := testing.Poll(ctx, func(ctx context.Context) error { |
| resp, err := tf.RemoteCellularClient.QueryService(ctx, &empty.Empty{}) |
| if err != nil { |
| return errors.Wrap(err, "failed to get cellular service details") |
| } |
| |
| if ratMap[config.Destination] != resp.NetworkTechnology { |
| return errors.Errorf("unexpected network technology: got %q, want %q", resp.NetworkTechnology, config.Destination) |
| } |
| return nil |
| }, &testing.PollOptions{Interval: time.Second, Timeout: time.Minute}); err != nil { |
| s.Fatal("Failed to verify network technology: ", err) |
| } |
| |
| // make sure we're connected to the network and not just attached if handover was a redirect |
| if resp, err := tf.RemoteCellularClient.QueryService(ctx, &empty.Empty{}); err != nil { |
| s.Fatal("Failed to get cellular service details: ", err) |
| } else if !resp.IsConnected { |
| if _, err := tf.RemoteCellularClient.Connect(ctx, &empty.Empty{}); err != nil { |
| s.Fatal("Failed to connect to cellular network: ", err) |
| } |
| } |
| |
| if _, _, err := tf.VerifyConnectivity(ctx); err != nil { |
| s.Fatal("Failed to verify cellular connectivity: ", err) |
| } |
| } |
| } |
