[dts][PATCH V3 2/2] tests/telemetry:add cases to check laser power in dpdk
Zhimin Huang
zhiminx.huang at intel.com
Tue Sep 20 13:43:52 CEST 2022
the customer need to get the laser power values in dpdk.
so a new telemtry command /ethdev/module_eeprom to show module
EEPROM for each port in dpdk22.07.
we add new test cases to check laser power value.
1.check the laser power values same as that of 'ethtool -m'.
2.check different/same optical modules have different/same laser power values.
Signed-off-by: Zhimin Huang <zhiminx.huang at intel.com>
Acked-by: Peng, Yuan <yuan.peng at intel.com>
Tested-by: Jiale Song < songx.jiale at intel.com>
---
v3:
-add more comments in testplan
tests/TestSuite_telemetry.py | 184 ++++++++++++++++++++++++++++++++++-
1 file changed, 183 insertions(+), 1 deletion(-)
diff --git a/tests/TestSuite_telemetry.py b/tests/TestSuite_telemetry.py
index 97c1c748..1dda5502 100644
--- a/tests/TestSuite_telemetry.py
+++ b/tests/TestSuite_telemetry.py
@@ -539,6 +539,127 @@ class TestTelemetry(TestCase):
self.close_telemetry_server()
raise Exception(e)
+ def start_telemetry_server_and_get_module_eeprom(self, port_id):
+ try:
+ self.change_flag = True
+ self.dut.bind_interfaces_linux("vfio-pci")
+ out = self.start_telemetry_server()
+ self.tester.is_interface_up(self.tester_iface0)
+ p = re.search("socket /var/run/dpdk/(.+?)/", out)
+ self.start_dpdk_telemetry(p.group(1))
+ module_eeprom_output = self.dut_telemetry.send_expect(
+ "/ethdev/module_eeprom,{}".format(port_id), "--> "
+ )
+ self.close_telemetry_server()
+ return module_eeprom_output
+ except Exception as e:
+ self.close_telemetry_server()
+ raise Exception(e)
+
+ def start_dpdk_telemetry(self, *args):
+ self.dut_telemetry = self.dut.new_session()
+ dpdk_tool = os.path.join(self.target_dir, "usertools/dpdk-telemetry.py")
+ self.dut_telemetry.send_expect(
+ "python3 " + dpdk_tool + " -f {}".format(args[0]), "--> ", 5
+ )
+
+ def verify_nic_laser_power_via_dpdk(self, laser_powers, *ports):
+ if isinstance(laser_powers, str):
+ laser_powers = [laser_powers]
+ for laser_power, port in zip(laser_powers, ports):
+ laser_power_via_dpdk = self.get_nic_laser_power_via_dpdk(port)
+ dpdk_float_values = self.get_float_laser_power_values(laser_power_via_dpdk)
+ eth_float_values = self.get_float_laser_power_values(laser_power)
+ test_flag = [
+ abs(v_d - v_e) for v_d, v_e in zip(dpdk_float_values, eth_float_values)
+ ]
+ self.logger.info(
+ "dpdk:{} eth:{}".format(dpdk_float_values, eth_float_values)
+ )
+ self.verify(
+ [flag <= 0.1 for flag in test_flag],
+ "dpdk:{} eth:{},get the incorrect laser power values".format(
+ dpdk_float_values, eth_float_values
+ ),
+ )
+
+ def verify_laser_Power_in_different_optical_modules(self, laser_powers, *ports):
+ laser_power_via_dpdk = self.get_nic_laser_power_via_dpdk(ports[-1])
+ dpdk_float_values = self.get_float_laser_power_values(laser_power_via_dpdk)
+ eth_float_values = self.get_float_laser_power_values(laser_powers[0])
+ self.logger.info(
+ "dpdk port 1: {} eth port 0: {}".format(
+ dpdk_float_values, eth_float_values
+ )
+ )
+ test_flag = [
+ abs(v_d - v_e) for v_d, v_e in zip(dpdk_float_values, eth_float_values)
+ ]
+ self.verify(
+ [flag > 0.1 for flag in test_flag],
+ "different optical modules should have different laser power values",
+ )
+
+ def verify_laser_Power_in_same_optical_modules(self, laser_powers, *ports):
+ laser_power_via_dpdk = self.get_nic_laser_power_via_dpdk(ports[-1])
+ dpdk_float_values = self.get_float_laser_power_values(laser_power_via_dpdk)
+ eth_float_values = self.get_float_laser_power_values(laser_powers[0])
+ self.logger.info(
+ "dpdk port 1: {} eth port 0: {}".format(
+ dpdk_float_values, eth_float_values
+ )
+ )
+ test_flag = [
+ abs(v_d - v_e) for v_d, v_e in zip(dpdk_float_values, eth_float_values)
+ ]
+ self.verify(
+ [flag <= 0.1 for flag in test_flag],
+ "same optical modules should have same laser power values",
+ )
+
+ def get_float_laser_power_values(self, output):
+ p = re.findall(r"(\d+\.\d+.)", output)
+ float_list = list(map(float, p))
+ return float_list
+
+ def get_nic_laser_power_via_ethtool(self, intf):
+ output = self.d_a_console(
+ "ethtool -m {} | grep 'Laser output power'".format(intf)
+ )
+ rex_output = re.search(r"Laser output power\s+:.*", output)
+ if not rex_output:
+ return False
+ return rex_output.group()
+
+ def get_nic_laser_power_via_dpdk(self, port):
+ out = self.start_telemetry_server_and_get_module_eeprom(port)
+ laser_power_via_dpdk = self.get_nic_laser_power_via_dpdk_rex(out)
+ return laser_power_via_dpdk
+
+ def get_nic_laser_power_via_dpdk_rex(self, output):
+ rex_output = re.search(r'"Laser output power":.*?dBm"', output)
+ if not rex_output:
+ return False
+ return rex_output.group()
+
+ def check_interface_link_up(self, intf):
+ try:
+ link = self.dut.is_interface_up(intf)
+ self.verify(link, "link is down")
+ except Exception as e:
+ self.d_a_console("ifconfig {} up".format(intf))
+ finally:
+ time.sleep(3)
+
+ def skip_unsupported_get_laser_power(self, *intfs):
+ laser_power_list = []
+ for intf in intfs:
+ output = self.get_nic_laser_power_via_ethtool(intf)
+ if not output:
+ return False
+ laser_power_list.append(output)
+ return laser_power_list
+
#
# Test cases.
#
@@ -550,6 +671,11 @@ class TestTelemetry(TestCase):
# get ports information
self.dut_ports = self.dut.get_ports()
self.verify(len(self.dut_ports) >= 2, "Insufficient ports")
+ self.pf0_intf = self.dut.ports_info[self.dut_ports[0]]["intf"]
+ self.pf1_intf = self.dut.ports_info[self.dut_ports[1]]["intf"]
+ self.tester_iface0 = self.tester.get_interface(
+ self.tester.get_local_port(self.dut_ports[0])
+ )
self.init_test_binary_files()
self.nic_grp = self.get_ports_by_nic_type()
self.used_ports = []
@@ -559,7 +685,7 @@ class TestTelemetry(TestCase):
"""
Run before each test case.
"""
- pass
+ self.dut.bind_interfaces_linux("vfio-pci")
def tear_down(self):
"""
@@ -585,3 +711,59 @@ class TestTelemetry(TestCase):
Stats of 2 ports for testpmd and telemetry with same type nic
"""
self.verify_same_nic_with_2ports()
+
+ def test_read_nic_laser_power_via_dpdk(self):
+ """
+ read laser power, check testpmd show correct laser power
+ """
+ self.dut.bind_interfaces_linux(self.kdriver)
+ self.check_interface_link_up(self.pf0_intf)
+ laser_power_list = self.skip_unsupported_get_laser_power(self.pf0_intf)
+ self.skip_case(laser_power_list, "The test need Optical module to support")
+ self.verify_nic_laser_power_via_dpdk(laser_power_list, self.dut_ports[0])
+
+ def test_check_laser_power_in_different_optical_modules(self):
+ """
+ set different optical modules in two ports and check the testpmd show different laser power
+ """
+ self.dut.bind_interfaces_linux(self.kdriver)
+ [self.check_interface_link_up(i) for i in [self.pf0_intf, self.pf1_intf]]
+ laser_power_list = self.skip_unsupported_get_laser_power(
+ self.pf0_intf, self.pf1_intf
+ )
+ self.skip_case(laser_power_list, "The test need Optical module to support")
+ float_list = [
+ self.get_float_laser_power_values(laser_power)
+ for laser_power in laser_power_list
+ ]
+ self.skip_case(
+ abs(float_list[0][0] - float_list[1][0]) > 0.1
+ and abs(float_list[0][1] - float_list[1][1]) > 0.1,
+ "The test need different optical module in two ports",
+ )
+ self.verify_laser_Power_in_different_optical_modules(
+ laser_power_list, self.dut_ports[0], self.dut_ports[1]
+ )
+
+ def test_check_laser_power_in_same_optical_modules(self):
+ """
+ set same optical modules in two ports and check the testpmd show same laser power
+ """
+ self.dut.bind_interfaces_linux(self.kdriver)
+ [self.check_interface_link_up(i) for i in [self.pf0_intf, self.pf1_intf]]
+ laser_power_list = self.skip_unsupported_get_laser_power(
+ self.pf0_intf, self.pf1_intf
+ )
+ self.skip_case(laser_power_list, "The test need Optical module to support")
+ float_list = [
+ self.get_float_laser_power_values(laser_power)
+ for laser_power in laser_power_list
+ ]
+ self.skip_case(
+ abs(float_list[0][0] - float_list[1][0]) <= 0.1
+ and abs(float_list[0][1] - float_list[1][1]) <= 0.1,
+ "The test need same optical module in two ports",
+ )
+ self.verify_laser_Power_in_same_optical_modules(
+ laser_power_list, self.dut_ports[0], self.dut_ports[1]
+ )
--
2.17.1
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