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How to use change_device_ring_buffer_settings method in lisa

Best Python code snippet using lisa_python

ethtool.py

Source:ethtool.py

...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:...

networksettings.py

Source:networksettings.py

...109                else (original_txbuffer + 2)110            )111            expected_rx = int((rxbuffer * 1024 * 1024) / 1728)112            expected_tx = int((txbuffer * 1024 * 1024) / 6144)113            actual_settings = ethtool.change_device_ring_buffer_settings(114                interface, expected_rx, expected_tx115            )116            # The buffer size gets rounded up per PAGE_size117            # so the expected_rx and expected_tx can vary in a range118            #  /* Get receive buffer area. */119            # buf_size = device_info->recv_sections * device_info->recv_section_size;120            # buf_size = roundup(buf_size, PAGE_SIZE);121            #122            # /* Now setup the send buffer. */123            # buf_size = device_info->send_sections * device_info->send_section_size;124            # buf_size = round_up(buf_size, PAGE_SIZE);125            assert_that(126                int(actual_settings.current_ring_buffer_settings["RX"]),127                "Changing RX Ringbuffer setting didn't succeed",128            ).is_between(expected_rx - 5, expected_rx + 5)129            assert_that(130                int(actual_settings.current_ring_buffer_settings["TX"]),131                "Changing TX Ringbuffer setting didn't succeed",132            ).is_between(expected_tx - 5, expected_rx + 5)133            # Revert the settings back to original values134            reverted_settings = ethtool.change_device_ring_buffer_settings(135                interface, original_rx, original_tx136            )137            assert_that(138                int(reverted_settings.current_ring_buffer_settings["RX"]),139                "Reverting RX Ringbuffer setting to original value didn't succeed",140            ).is_equal_to(original_rx)141            assert_that(142                int(reverted_settings.current_ring_buffer_settings["TX"]),143                "Reverting TX Ringbuffer setting to original value didn't succeed",144            ).is_equal_to(original_tx)145    @TestCaseMetadata(146        description="""147            This test case verifies changing device channels count with ethtool.148            Steps:...

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