How to use _parse_rx_hash_level method in lisa

Best Python code snippet using lisa_python

ethtool.py

Source:ethtool.py

...359    )360    def __init__(self, interface: str, protocol: str, raw_str: str) -> None:361        self.interface = interface362        self.protocol_hash_map: Dict[str, bool] = {}363        self._parse_rx_hash_level(interface, protocol, raw_str)364    def _parse_rx_hash_level(self, interface: str, protocol: str, raw_str: str) -> None:365        hash_level_pattern = self._rx_hash_level_pattern.search(raw_str)366        if not hash_level_pattern:367            raise LisaException(368                f"Cannot get {interface} rx hash level information for {protocol}"369            )370        self.protocol_hash_map[protocol] = (371            True372            if self._tcp_udp_rx_hash_level_enable_pattern.search(raw_str)373            else False374        )375class DeviceStatistics:376    # NIC statistics:377    #     tx_scattered: 0378    #     tx_no_memory: 0379    _statistics_pattern = re.compile(r"^\s+(?P<name>.*?)\: +?(?P<value>\d*?)\r?$")380    def __init__(self, interface: str, device_statistics_raw: str) -> None:381        self._parse_statistics_info(interface, device_statistics_raw)382    def _parse_statistics_info(self, interface: str, raw_str: str) -> None:383        statistics: Dict[str, int] = {}384        items = find_groups_in_lines(raw_str, self._statistics_pattern)385        statistics = {x["name"]: int(x["value"]) for x in items}386        self.interface = interface387        self.counters = statistics388@dataclass389class DeviceSettings:390    interface: str391    device_channel: Optional[DeviceChannel] = None392    device_features: Optional[DeviceFeatures] = None393    device_link_settings: Optional[DeviceLinkSettings] = None394    device_msg_level: Optional[DeviceMessageLevel] = None395    device_ringbuffer_settings: Optional[DeviceRingBufferSettings] = None396    device_gro_lro_settings: Optional[DeviceGroLroSettings] = None397    device_rss_hash_key: Optional[DeviceRssHashKey] = None398    device_rx_hash_level: Optional[DeviceRxHashLevel] = None399    device_sg_settings: Optional[DeviceSgSettings] = None400    device_firmware_version: Optional[str] = None401    device_statistics: Optional[DeviceStatistics] = None402class Ethtool(Tool):403    # ethtool -i eth0404    #   driver: hv_netvsc405    #   version:406    #   firmware-version: N/A407    _firmware_version_pattern = re.compile(408        r"^firmware-version:[\s+](?P<value>.*?)?$", re.MULTILINE409    )410    @property411    def command(self) -> str:412        return "ethtool"413    @property414    def can_install(self) -> bool:415        return True416    def _initialize(self, *args: Any, **kwargs: Any) -> None:417        self._command = "ethtool"418        self._device_set: Set[str] = set()419        self._device_settings_map: Dict[str, DeviceSettings] = {}420    def _install(self) -> bool:421        posix_os: Posix = cast(Posix, self.node.os)422        posix_os.install_packages("ethtool")423        return self._check_exists()424    def get_device_driver(self, interface: str) -> str:425        _device_driver_pattern = re.compile(426            r"^[\s]*driver:(?P<value>.*?)?$", re.MULTILINE427        )428        cmd_result = self.run(f"-i {interface}")429        cmd_result.assert_exit_code(430            message=f"Could not find the driver information for {interface}"431        )432        driver_info = re.search(_device_driver_pattern, cmd_result.stdout)433        if not driver_info:434            raise LisaException(f"No driver information found for device {interface}")435        return driver_info.group("value")436    def get_device_list(self, force_run: bool = False) -> Set[str]:437        if (not force_run) and self._device_set:438            return self._device_set439        find_tool = self.node.tools[Find]440        netdirs = find_tool.find_files(441            self.node.get_pure_path("/sys/devices"),442            name_pattern="net",443            path_pattern="*vmbus*",444            ignore_case=True,445        )446        for netdir in netdirs:447            if not netdir:448                continue449            cmd_result = self.node.execute(f"ls {netdir}")450            cmd_result.assert_exit_code(message="Could not find the network device.")451            # add only the network devices with netvsc driver452            driver = self.get_device_driver(cmd_result.stdout)453            if "hv_netvsc" in driver:454                self._device_set.add(cmd_result.stdout)455        if not self._device_set:456            raise LisaException("Did not find any synthetic network interface.")457        return self._device_set458    def get_device_channels_info(459        self, interface: str, force_run: bool = False460    ) -> DeviceChannel:461        device = self._get_or_create_device_setting(interface)462        if not force_run and device.device_channel:463            return device.device_channel464        result = self.run(f"-l {interface}", force_run=force_run)465        if (result.exit_code != 0) and ("Operation not supported" in result.stdout):466            raise UnsupportedOperationException(467                "ethtool -l {interface} operation not supported."468            )469        result.assert_exit_code(470            message=f"Couldn't get device {interface} channels info."471        )472        device_channel_info = DeviceChannel(interface, result.stdout)473        # Find the vCPU count to accurately get max channels for the device.474        lscpu = self.node.tools[Lscpu]475        vcpu_count = lscpu.get_core_count(force_run=True)476        if vcpu_count < device_channel_info.max_channels:477            device_channel_info.max_channels = vcpu_count478        device.device_channel = device_channel_info479        return device_channel_info480    def change_device_channels_info(481        self,482        interface: str,483        channel_count: int,484    ) -> DeviceChannel:485        change_result = self.run(486            f"-L {interface} combined {channel_count}", sudo=True, force_run=True487        )488        change_result.assert_exit_code(489            message=f" Couldn't change device {interface} channels count."490        )491        return self.get_device_channels_info(interface, force_run=True)492    def get_device_enabled_features(493        self, interface: str, force_run: bool = False494    ) -> DeviceFeatures:495        device = self._get_or_create_device_setting(interface)496        if not force_run and device.device_features:497            return device.device_features498        result = self.run(f"-k {interface}", force_run=force_run)499        result.assert_exit_code()500        device.device_features = DeviceFeatures(interface, result.stdout)501        return device.device_features502    def get_device_gro_lro_settings(503        self, interface: str, force_run: bool = False504    ) -> DeviceGroLroSettings:505        device = self._get_or_create_device_setting(interface)506        if not force_run and device.device_gro_lro_settings:507            return device.device_gro_lro_settings508        result = self.run(f"-k {interface}", force_run=force_run)509        result.assert_exit_code()510        device.device_gro_lro_settings = DeviceGroLroSettings(interface, result.stdout)511        return device.device_gro_lro_settings512    def change_device_gro_lro_settings(513        self, interface: str, gro_setting: bool, lro_setting: bool514    ) -> DeviceGroLroSettings:515        gro = "on" if gro_setting else "off"516        lro = "on" if lro_setting else "off"517        change_result = self.run(518            f"-K {interface} gro {gro} lro {lro}",519            sudo=True,520            force_run=True,521        )522        change_result.assert_exit_code(523            message=f" Couldn't change device {interface} GRO LRO settings."524        )525        return self.get_device_gro_lro_settings(interface, force_run=True)526    def get_device_link_settings(self, interface: str) -> DeviceLinkSettings:527        device = self._get_or_create_device_setting(interface)528        if device.device_link_settings:529            return device.device_link_settings530        result = self.run(interface)531        result.assert_exit_code()532        link_settings = DeviceLinkSettings(interface, result.stdout)533        device.device_link_settings = link_settings534        # Caching the message level settings if captured in DeviceLinkSettings.535        # Not returning this info from this method. Only caching.536        if link_settings.msg_level_number and link_settings.msg_level_name:537            msg_level_settings = DeviceMessageLevel(538                interface,539                msg_level_number=link_settings.msg_level_number,540                msg_level_name=link_settings.msg_level_name,541            )542            device.device_msg_level = msg_level_settings543        return link_settings544    def get_device_msg_level(545        self, interface: str, force_run: bool = False546    ) -> DeviceMessageLevel:547        device = self._get_or_create_device_setting(interface)548        if not force_run and device.device_msg_level:549            return device.device_msg_level550        result = self.run(interface, force_run=force_run)551        if (result.exit_code != 0) and ("Operation not supported" in result.stdout):552            raise UnsupportedOperationException(553                f"ethtool {interface} operation not supported."554            )555        result.assert_exit_code(556            message=f"Couldn't get device {interface} message level information"557        )558        msg_level_settings = DeviceMessageLevel(interface, result.stdout)559        device.device_msg_level = msg_level_settings560        # caching the link settings if captured in DeviceMessageLevel.561        # will not this info from this method. Only caching.562        if msg_level_settings.link_settings:563            link_settings = DeviceLinkSettings(564                interface, link_settings=msg_level_settings.link_settings565            )566            device.device_link_settings = link_settings567        return msg_level_settings568    def set_unset_device_message_flag_by_name(569        self, interface: str, msg_flag: List[str], set: bool570    ) -> DeviceMessageLevel:571        if set:572            result = self.run(573                f"-s {interface} msglvl {' on '.join(flag for flag in msg_flag)} on",574                sudo=True,575                force_run=True,576            )577            result.assert_exit_code(578                message=f" Couldn't set device {interface} message flag/s {msg_flag}."579            )580        else:581            result = self.run(582                f"-s {interface} msglvl {' off '.join(flag for flag in msg_flag)} off",583                sudo=True,584                force_run=True,585            )586            result.assert_exit_code(587                message=f" Couldn't unset device {interface} message flag/s {msg_flag}."588            )589        return self.get_device_msg_level(interface, force_run=True)590    def set_device_message_flag_by_num(591        self, interface: str, msg_flag: str592    ) -> DeviceMessageLevel:593        result = self.run(594            f"-s {interface} msglvl {msg_flag}",595            sudo=True,596            force_run=True,597        )598        result.assert_exit_code(599            message=f" Couldn't set device {interface} message flag {msg_flag}."600        )601        return self.get_device_msg_level(interface, force_run=True)602    def get_device_ring_buffer_settings(603        self, interface: str, force_run: bool = False604    ) -> DeviceRingBufferSettings:605        device = self._get_or_create_device_setting(interface)606        if not force_run and device.device_ringbuffer_settings:607            return device.device_ringbuffer_settings608        result = self.run(f"-g {interface}", force_run=force_run)609        if (result.exit_code != 0) and ("Operation not supported" in result.stdout):610            raise UnsupportedOperationException(611                f"ethtool -g {interface} operation not supported."612            )613        result.assert_exit_code(614            message=f"Couldn't get device {interface} ring buffer settings."615        )616        device.device_ringbuffer_settings = DeviceRingBufferSettings(617            interface, result.stdout618        )619        return device.device_ringbuffer_settings620    def change_device_ring_buffer_settings(621        self, interface: str, rx: int, tx: int622    ) -> DeviceRingBufferSettings:623        change_result = self.run(624            f"-G {interface} rx {rx} tx {tx}", sudo=True, force_run=True625        )626        change_result.assert_exit_code(627            message=f" Couldn't change device {interface} ring buffer settings."628        )629        return self.get_device_ring_buffer_settings(interface, force_run=True)630    def get_device_rss_hash_key(631        self, interface: str, force_run: bool = False632    ) -> DeviceRssHashKey:633        device = self._get_or_create_device_setting(interface)634        if not force_run and device.device_rss_hash_key:635            return device.device_rss_hash_key636        result = self.run(f"-x {interface}", force_run=force_run)637        if (result.exit_code != 0) and ("Operation not supported" in result.stdout):638            raise UnsupportedOperationException(639                f"ethtool -x {interface} operation not supported."640            )641        result.assert_exit_code(642            message=f"Couldn't get device {interface} ring buffer settings."643        )644        device.device_rss_hash_key = DeviceRssHashKey(interface, result.stdout)645        return device.device_rss_hash_key646    def change_device_rss_hash_key(647        self, interface: str, hash_key: str648    ) -> DeviceRssHashKey:649        result = self.run(f"-X {interface} hkey {hash_key}", sudo=True, force_run=True)650        if (result.exit_code != 0) and ("Operation not supported" in result.stdout):651            raise UnsupportedOperationException(652                f"Changing RSS hash key with 'ethtool -X {interface}' not supported."653            )654        result.assert_exit_code(655            message=f" Couldn't change device {interface} hash key."656        )657        return self.get_device_rss_hash_key(interface, force_run=True)658    def get_device_rx_hash_level(659        self, interface: str, protocol: str, force_run: bool = False660    ) -> DeviceRxHashLevel:661        device = self._get_or_create_device_setting(interface)662        if (663            not force_run664            and device.device_rx_hash_level665            and (protocol in device.device_rx_hash_level.protocol_hash_map.keys())666        ):667            return device.device_rx_hash_level668        result = self.run(669            f"-n {interface} rx-flow-hash {protocol}", force_run=force_run670        )671        if "Operation not supported" in result.stdout:672            raise UnsupportedOperationException(673                f"ethtool -n {interface} operation not supported."674            )675        result.assert_exit_code(676            message=f"Couldn't get device {interface} RX flow hash level for"677            f" protocol {protocol}."678        )679        if device.device_rx_hash_level:680            device.device_rx_hash_level._parse_rx_hash_level(681                interface, protocol, result.stdout682            )683            device_rx_hash_level = device.device_rx_hash_level684        else:685            device_rx_hash_level = DeviceRxHashLevel(interface, protocol, result.stdout)686        device.device_rx_hash_level = device_rx_hash_level687        return device_rx_hash_level688    def change_device_rx_hash_level(689        self, interface: str, protocol: str, enable: bool690    ) -> DeviceRxHashLevel:691        param = "sd"692        if enable:693            param = "sdfn"694        result = self.run(...

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