diff options
Diffstat (limited to 'scripts/automation/regression/unit_tests/trex_rx_test.py')
| -rwxr-xr-x | scripts/automation/regression/unit_tests/trex_rx_test.py | 285 |
1 files changed, 285 insertions, 0 deletions
diff --git a/scripts/automation/regression/unit_tests/trex_rx_test.py b/scripts/automation/regression/unit_tests/trex_rx_test.py new file mode 100755 index 00000000..a37615c4 --- /dev/null +++ b/scripts/automation/regression/unit_tests/trex_rx_test.py @@ -0,0 +1,285 @@ +#!/router/bin/python +from trex_general_test import CTRexGeneral_Test +from CPlatform import CStaticRouteConfig, CNatConfig +from tests_exceptions import * +#import sys +import time +import copy +from nose.tools import nottest +import traceback + +class CTRexRx_Test(CTRexGeneral_Test): + """This class defines the rx testcase of the T-Rex traffic generator""" + def __init__(self, *args, **kwargs): + CTRexGeneral_Test.__init__(self, *args, **kwargs) + self.unsupported_modes = ['virt_nics'] # TODO: fix + pass + + def setUp(self): + CTRexGeneral_Test.setUp(self) + pass + + + def check_rx_errors(self, trex_res): + try: + # counters to check + + latency_counters_display = {'m_unsup_prot': 0, 'm_no_magic': 0, 'm_no_id': 0, 'm_seq_error': 0, 'm_length_error': 0, 'm_no_ipv4_option': 0, 'm_tx_pkt_err': 0} + rx_counters = {'m_err_drop': 0, 'm_err_aged': 0, 'm_err_no_magic': 0, 'm_err_wrong_pkt_id': 0, 'm_err_fif_seen_twice': 0, 'm_err_open_with_no_fif_pkt': 0, 'm_err_oo_dup': 0, 'm_err_oo_early': 0, 'm_err_oo_late': 0, 'm_err_flow_length_changed': 0} + + # get relevant TRex results + + try: + ports_names = trex_res.get_last_value('trex-latecny-v2.data', 'port\-\d+') + if not ports_names: + raise AbnormalResultError('Could not find ports info in TRex results, path: trex-latecny-v2.data.port-*') + for port_name in ports_names: + path = 'trex-latecny-v2.data.%s.stats' % port_name + port_result = trex_res.get_last_value(path) + if not port_result: + raise AbnormalResultError('Could not find port stats in TRex results, path: %s' % path) + for key in latency_counters_display: + latency_counters_display[key] += port_result[key] + + # using -k flag in TRex produces 1 error per port in latency counter m_seq_error, allow it until issue resolved. For comparing use dict with reduces m_seq_error number. + latency_counters_compare = copy.deepcopy(latency_counters_display) + latency_counters_compare['m_seq_error'] = max(0, latency_counters_compare['m_seq_error'] - len(ports_names)) + + path = 'rx-check.data.stats' + rx_check_results = trex_res.get_last_value(path) + if not rx_check_results: + raise AbnormalResultError('No TRex results by path: %s' % path) + for key in rx_counters: + rx_counters[key] = rx_check_results[key] + + path = 'rx-check.data.stats.m_total_rx' + total_rx = trex_res.get_last_value(path) + if not total_rx: + raise AbnormalResultError('No TRex results by path: %s' % path) + + + print 'Total packets checked: %s' % total_rx + print 'Latency counters: %s' % latency_counters_display + print 'rx_check counters: %s' % rx_counters + + except KeyError as e: + self.fail('Expected key in TRex result was not found.\n%s' % traceback.print_exc()) + + # the check. in loopback expect 0 problems, at others allow errors <error_tolerance>% of total_rx + + total_errors = sum(rx_counters.values()) + sum(latency_counters_compare.values()) + error_tolerance = self.get_benchmark_param('error_tolerance') + if not error_tolerance: + error_tolerance = 0 + error_percentage = float(total_errors) * 100 / total_rx + + if total_errors > 0: + if self.is_loopback or error_percentage > error_tolerance: + self.fail('Too much errors in rx_check. (~%s%% of traffic)' % error_percentage) + else: + print 'There are errors in rx_check (%f%%), not exceeding allowed limit (%s%%)' % (error_percentage, error_tolerance) + else: + print 'No errors in rx_check.' + except Exception as e: + print traceback.print_exc() + self.fail('Errors in rx_check: %s' % e) + + def test_rx_check_sfr(self): + if not self.is_loopback: + self.router.configure_basic_interfaces() + self.router.config_pbr(mode = 'config') + + core = self.get_benchmark_param('cores') + mult = self.get_benchmark_param('multiplier') + sample_rate = self.get_benchmark_param('rx_sample_rate') + + ret = self.trex.start_trex( + c = core, + m = mult, + p = True, + nc = True, + rx_check = sample_rate, + d = 100, + f = 'avl/sfr_delay_10_1g_no_bundeling.yaml', + l = 1000, + k = 10, + learn_verify = True, + l_pkt_mode = 2) + + trex_res = self.trex.sample_to_run_finish() + + print ("\nLATEST RESULT OBJECT:") + print trex_res + #print ("\nLATEST DUMP:") + #print trex_res.get_latest_dump() + + self.check_general_scenario_results(trex_res) + self.check_CPU_benchmark(trex_res, 10) + self.check_rx_errors(trex_res) + + + def test_rx_check_http(self): + if not self.is_loopback: + # TODO: skip as test_rx_check_http_negative will cover it + #self.skip('This test is covered by test_rx_check_http_negative') + self.router.configure_basic_interfaces() + self.router.config_pbr(mode = "config") + + core = self.get_benchmark_param('cores') + mult = self.get_benchmark_param('multiplier') + sample_rate = self.get_benchmark_param('rx_sample_rate') + + ret = self.trex.start_trex( + c = core, + m = mult, + p = True, + nc = True, + rx_check = sample_rate, + d = 100, + f = 'cap2/http_simple.yaml', + l = 1000, + k = 10, + learn_verify = True, + l_pkt_mode = 2) + + trex_res = self.trex.sample_to_run_finish() + + print ("\nLATEST RESULT OBJECT:") + print trex_res + + self.check_general_scenario_results(trex_res) + self.check_CPU_benchmark(trex_res, 10) + self.check_rx_errors(trex_res) + + + def test_rx_check_sfr_ipv6(self): + if not self.is_loopback: + self.router.configure_basic_interfaces() + self.router.config_pbr(mode = 'config') + self.router.config_ipv6_pbr(mode = "config") + + core = self.get_benchmark_param('cores') + mult = self.get_benchmark_param('multiplier') + sample_rate = self.get_benchmark_param('rx_sample_rate') + + ret = self.trex.start_trex( + c = core, + m = mult, + p = True, + nc = True, + rx_check = sample_rate, + d = 100, + f = 'avl/sfr_delay_10_1g_no_bundeling.yaml', + l = 1000, + k = 10, + ipv6 = True) + + trex_res = self.trex.sample_to_run_finish() + + print ("\nLATEST RESULT OBJECT:") + print trex_res + #print ("\nLATEST DUMP:") + #print trex_res.get_latest_dump() + + self.check_general_scenario_results(trex_res) + self.check_CPU_benchmark(trex_res, 10) + self.check_rx_errors(trex_res) + + + def test_rx_check_http_ipv6(self): + if not self.is_loopback: + self.router.configure_basic_interfaces() + self.router.config_pbr(mode = "config") + self.router.config_ipv6_pbr(mode = "config") + + core = self.get_benchmark_param('cores') + mult = self.get_benchmark_param('multiplier') + sample_rate = self.get_benchmark_param('rx_sample_rate') + + ret = self.trex.start_trex( + c = core, + m = mult, + p = True, + nc = True, + rx_check = sample_rate, + d = 100, + f = 'cap2/http_simple.yaml', + l = 1000, + k = 10, + ipv6 = True) + + trex_res = self.trex.sample_to_run_finish() + + print ("\nLATEST RESULT OBJECT:") + print trex_res + + self.check_general_scenario_results(trex_res) + self.check_CPU_benchmark(trex_res, 10) + self.check_rx_errors(trex_res) + + @nottest + def test_rx_check_http_negative(self): + if self.is_loopback: + self.skip('This test uses NAT, not relevant for loopback') + + self.router.configure_basic_interfaces() + stat_route_dict = self.get_benchmark_param('stat_route_dict') + stat_route_obj = CStaticRouteConfig(stat_route_dict) + self.router.config_static_routing(stat_route_obj, mode = "config") + + core = self.get_benchmark_param('cores') + mult = self.get_benchmark_param('multiplier') + sample_rate = self.get_benchmark_param('rx_sample_rate') + + ret = self.trex.start_trex( + c = core, + m = mult, + #p = True, + #nc = True, + rx_check = sample_rate, + d = 80, + f = 'cap2/http_simple.yaml', + l = 1000, + k = 10, + learn_verify = True, + l_pkt_mode = 2) + + print 'Run for 2 minutes, expect no errors' + trex_res = self.trex.sample_x_seconds(60) + print ("\nLATEST RESULT OBJECT:") + print trex_res + self.check_general_scenario_results(trex_res) + self.check_CPU_benchmark(trex_res, 10) + self.check_rx_errors(trex_res) + + try: + # TODO: add nat/zbf config for router + nat_dict = self.get_benchmark_param('nat_dict') + nat_obj = CNatConfig(nat_dict) + self.router.config_nat(nat_obj) + self.router.config_nat_verify() + self.router.config_zbf() + + print 'Run until finish, expect errors' + trex_res = self.trex.sample_to_run_finish() + + self.router.config_no_zbf() + self.router.clear_nat_translations() + print ("\nLATEST RESULT OBJECT:") + print trex_res + nat_stats = self.router.get_nat_stats() + print nat_stats + self.check_general_scenario_results(trex_res) + self.check_CPU_benchmark(trex_res, 10) + self.check_rx_errors(trex_res) + self.fail('Expected errors here, got none.') + except Exception as e: + print 'Got errors as expected: %s' % e + pass + + def tearDown(self): + CTRexGeneral_Test.tearDown(self) + pass + +if __name__ == "__main__": + pass |