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How to use get_device_sg_settings method in lisa

Best Python code snippet using lisa_python

ethtool.py

Source:ethtool.py

...704        result.assert_exit_code(705            message=f" Couldn't change device {interface} hash level for {protocol}."706        )707        return self.get_device_rx_hash_level(interface, protocol, force_run=True)708    def get_device_sg_settings(709        self, interface: str, force_run: bool = False710    ) -> DeviceSgSettings:711        device = self._get_or_create_device_setting(interface)712        if not force_run and device.device_sg_settings:713            return device.device_sg_settings714        result = self.run(f"-k {interface}", force_run=force_run)715        result.assert_exit_code()716        device.device_sg_settings = DeviceSgSettings(interface, result.stdout)717        return device.device_sg_settings718    def change_device_sg_settings(719        self, interface: str, sg_setting: bool720    ) -> DeviceSgSettings:721        sg = "on" if sg_setting else "off"722        change_result = self.run(723            f"-K {interface} sg {sg}",724            sudo=True,725            force_run=True,726        )727        change_result.assert_exit_code(728            message=f" Couldn't change device {interface} scatter-gather settings."729        )730        return self.get_device_sg_settings(interface, force_run=True)731    def get_device_statistics(732        self, interface: str, force_run: bool = False733    ) -> DeviceStatistics:734        device = self._get_or_create_device_setting(interface)735        if not force_run and device.device_statistics:736            return device.device_statistics737        result = self.run(f"-S {interface}", force_run=True)738        if (result.exit_code != 0) and (739            "Operation not supported" in result.stdout740            or "no stats available" in result.stdout741        ):742            raise UnsupportedOperationException(743                f"ethtool -S {interface} operation not supported."744            )...

sriov.py

Source:sriov.py

...441        client_ethtool = client_node.tools[Ethtool]442        vm_nics = initialize_nic_info(environment)443        # skip test if scatter-gather can't be updated444        for _, client_nic_info in vm_nics[client_node.name].items():445            device_sg_settings = client_ethtool.get_device_sg_settings(446                client_nic_info.upper, True447            )448            if device_sg_settings.sg_fixed:449                raise SkippedException(450                    "scatter-gather is fixed, it cannot be changed for device"451                    f" {client_nic_info.upper}. Skipping test."452                )453            else:454                break455        # save original enabled features456        device_enabled_features_origin = client_ethtool.get_all_device_enabled_features(457            True458        )459        # run iperf3 on server side and client side460        # iperfResults.log stored client side log461        source_iperf3 = server_node.tools[Iperf3]462        dest_iperf3 = client_node.tools[Iperf3]463        source_iperf3.run_as_server_async()464        dest_iperf3.run_as_client_async(465            server_ip=server_node.internal_address,466            log_file=client_iperf3_log,467            run_time_seconds=self.TIME_OUT,468        )469        # wait for a while then check any error shown up in iperfResults.log470        dest_cat = client_node.tools[Cat]471        iperf_log = dest_cat.read(client_iperf3_log, sudo=True, force_run=True)472        assert_that(iperf_log).does_not_contain("error")473        # disable and enable VF in pci level474        for node in environment.nodes.list():475            lspci = node.tools[Lspci]476            lspci.disable_devices_by_type(constants.DEVICE_TYPE_SRIOV)477            lspci.enable_devices()478        # check VF still paired with synthetic nic479        vm_nics = initialize_nic_info(environment)480        # get the enabled features after disable and enable VF481        # make sure there is not any change482        device_enabled_features_after = client_ethtool.get_all_device_enabled_features(483            True484        )485        assert_that(device_enabled_features_origin[0].enabled_features).is_equal_to(486            device_enabled_features_after[0].enabled_features487        )488        # set on for scatter-gather feature for synthetic nic489        # verify vf scatter-gather feature has value 'on'490        for _, client_nic_info in vm_nics[client_node.name].items():491            new_settings = client_ethtool.change_device_sg_settings(492                client_nic_info.upper, True493            )494            device_vf_sg_settings = client_ethtool.get_device_sg_settings(495                client_nic_info.lower, True496            )497            assert_that(498                new_settings.sg_setting,499                "sg setting is not sync into VF.",500            ).is_equal_to(device_vf_sg_settings.sg_setting)501        # set off for scatter-gather feature for synthetic nic502        # verify vf scatter-gather feature has value 'off'503        for _, client_nic_info in vm_nics[client_node.name].items():504            new_settings = client_ethtool.change_device_sg_settings(505                client_nic_info.upper, False506            )507            device_vf_sg_settings = client_ethtool.get_device_sg_settings(508                client_nic_info.lower, True509            )510            assert_that(511                new_settings.sg_setting,512                "sg setting is not sync into VF.",513            ).is_equal_to(device_vf_sg_settings.sg_setting)514        #  disable and enable VF in pci level515        for node in environment.nodes.list():516            lspci = node.tools[Lspci]517            lspci.disable_devices_by_type(constants.DEVICE_TYPE_SRIOV)518            lspci.enable_devices()519        # check VF still paired with synthetic nic520        vm_nics = initialize_nic_info(environment)521        # check VF's scatter-gather feature keep consistent with previous status522        for _, client_nic_info in vm_nics[client_node.name].items():523            device_vf_sg_settings = client_ethtool.get_device_sg_settings(524                client_nic_info.lower, True525            )526            assert_that(527                device_vf_sg_settings.sg_setting,528                "sg setting is not sync into VF.",529            ).is_equal_to(False)530        # disable and enable sriov in network interface level531        network_interface_feature = client_node.features[NetworkInterface]532        for _ in range(3):533            sriov_is_enabled = network_interface_feature.is_enabled_sriov()534            network_interface_feature.switch_sriov(enable=(not sriov_is_enabled))535        network_interface_feature.switch_sriov(enable=True)536        # check VF still paired with synthetic nic537        vm_nics = initialize_nic_info(environment)538        # check VF's scatter-gather feature keep consistent with previous status539        for _, client_nic_info in vm_nics[client_node.name].items():540            device_vf_sg_settings = client_ethtool.get_device_sg_settings(541                client_nic_info.lower, True542            )543            assert_that(544                device_vf_sg_settings.sg_setting,545                "sg setting is not sync into VF.",546            ).is_equal_to(False)547        # reload sriov modules548        module_in_used = ""549        for node in environment.nodes.list():550            module_in_used = remove_module(node)551        for node in environment.nodes.list():552            load_module(node, module_in_used)553        # check VF still paired with synthetic nic554        vm_nics = initialize_nic_info(environment)555        # check VF's scatter-gather feature keep consistent with previous status556        for _, client_nic_info in vm_nics[client_node.name].items():557            device_vf_sg_settings = client_ethtool.get_device_sg_settings(558                client_nic_info.lower, True559            )560            assert_that(561                device_vf_sg_settings.sg_setting,562                "sg setting is not sync into VF.",563            ).is_equal_to(False)564        # check there is no error happen in iperf3 log565        # after above operations566        dest_cat = client_node.tools[Cat]567        iperf_log = dest_cat.read(client_iperf3_log, sudo=True, force_run=True)568        assert_that(iperf_log).does_not_contain("error")569    @TestCaseMetadata(570        description="""571        This case is to verify interrupts count increased after network traffic...

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