From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 602EDA00C2; Thu, 5 Jan 2023 04:10:14 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 57DB642D20; Thu, 5 Jan 2023 04:10:14 +0100 (CET) Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) by mails.dpdk.org (Postfix) with ESMTP id 2220242D21 for ; Thu, 5 Jan 2023 04:10:11 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1672888211; x=1704424211; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=P7LaTu7E1cZFTXh/amMKOD4XrtiFiP8IxO4S6AEhs64=; b=IvqXIPAXxAPO0rd/DnPMFrkIiFicIQMNxhVYG/uswe/9we/VGOKAcUVW OJcjAT3pQDqYXb2W0lTbbJ8826URlkYRlw07puKQ4MYcnFq7E3QnrWrgS hLI6Qsd6Kmm79WERn/JnxBeu+hiMTEI0SKM8Be14bVuLhJrPaUJMzKvO9 lqv2tXSj3ibteG9xY1n/3MyR61HJjdq3j1V0Cw4+Qf5ZYgTq1RroY0NjW d3e33Bc6sucxpsEhUHKpcX9xGbe+dIvIkSXFwoLcBWUg3lqrdlcOEfQPu AXd4AyeHiGhVsxUJcXojADZf9NNLfY2eep8qcqdVvQeXtP/PVHofJwdVD w==; X-IronPort-AV: E=McAfee;i="6500,9779,10580"; a="384398314" X-IronPort-AV: E=Sophos;i="5.96,301,1665471600"; d="scan'208";a="384398314" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Jan 2023 19:10:11 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10580"; a="685949746" X-IronPort-AV: E=Sophos;i="5.96,301,1665471600"; d="scan'208";a="685949746" Received: from unknown (HELO localhost.localdomain) ([10.239.252.20]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Jan 2023 19:10:10 -0800 From: Song Jiale To: dts@dpdk.org Cc: Song Jiale Subject: [dts] [PATCH V1 5/7] tests/vf_pmd_stacked_bonded: add cases to test vf bonding Date: Thu, 5 Jan 2023 11:07:50 +0000 Message-Id: <20230105110752.235201-6-songx.jiale@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230105110752.235201-1-songx.jiale@intel.com> References: <20230105110752.235201-1-songx.jiale@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dts@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: test suite reviews and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dts-bounces@dpdk.org add case to test vf bonding. Signed-off-by: Song Jiale --- tests/TestSuite_vf_pmd_stacked_bonded.py | 614 +++++++++++++++++++++++ 1 file changed, 614 insertions(+) create mode 100644 tests/TestSuite_vf_pmd_stacked_bonded.py diff --git a/tests/TestSuite_vf_pmd_stacked_bonded.py b/tests/TestSuite_vf_pmd_stacked_bonded.py new file mode 100644 index 00000000..e8556684 --- /dev/null +++ b/tests/TestSuite_vf_pmd_stacked_bonded.py @@ -0,0 +1,614 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2023 Intel Corporation +# + +import time +import traceback + +# import dts/framework libs +import framework.utils as utils + +# import bonding lib +import tests.bonding as bonding +from framework.exception import VerifyFailure +from framework.test_case import TestCase + +from .bonding import ( + FRAME_SIZE_64, + MODE_ACTIVE_BACKUP, + MODE_ALB_BALANCE, + MODE_BROADCAST, + MODE_LACP, + MODE_ROUND_ROBIN, + MODE_TLB_BALANCE, + MODE_XOR_BALANCE, +) + + +class TestBondingStacked(TestCase): + + # + # On dut, dpdk bonding + # + def check_bonded_device_queue_config(self, *devices): + """ + check if master bonded device/slave device queue configuration + is the same. + """ + # get master bonded device queue configuration + master = self.bond_inst.get_port_info(devices[0], "queue_config") + # get slave device queue configuration + for port_id in devices[1:]: + config = self.bond_inst.get_port_info(port_id, "queue_config") + if config == master: + continue + msg = ( + "slave bonded port [{0}] is " "different to top bonded port [{1}]" + ).format(port_id, devices[0]) + raise VerifyFailure("bonded device queue config:: " + msg) + + def set_stacked_bonded(self, slaveGrpOne, slaveGrpTwo, bond_mode, ignore=False): + """ + set stacked bonded mode for a custom bonding mode + """ + inst = self.bond_inst + socket_id = self.dut.get_numa_id(self.bond_slave) + # create first bonded device 1, add slaves in it + bond_port_1 = inst.create_bonded_device(bond_mode, socket_id) + inst.add_slave(bond_port_1, False, "", *slaveGrpOne) + # create second bonded device 2, add slaves in it + bond_port_2 = inst.create_bonded_device(bond_mode, socket_id) + inst.add_slave(bond_port_2, False, "", *slaveGrpTwo) + # create master bonded device 3, which is the top bonded device + master_bond_port = inst.create_bonded_device(bond_mode, socket_id) + # add bond bonded device 1 to bonded device 3 + # check bonding config status + inst.add_slave(master_bond_port, False, "", *[bond_port_1]) + # add bonded device 2 to bonded device 3 + # check bonding config status + inst.add_slave(master_bond_port, False, "", *[bond_port_2]) + # check if master bonding/each slaves queue configuration is the same. + if not ignore: + self.check_bonded_device_queue_config( + *[master_bond_port, bond_port_1, bond_port_2] + ) + + return [bond_port_1, bond_port_2, master_bond_port] + + def set_third_stacked_bonded(self, bond_port, bond_mode): + """ + set third level stacked bonded to check if stacked level can be set + more than 2 + """ + inst = self.bond_inst + socket_id = self.dut.get_numa_id(self.bond_slave) + third_bond_port = inst.create_bonded_device(bond_mode, socket_id) + inst.add_slave(third_bond_port, False, "", *[bond_port]) + + def duplicate_add_stacked_bonded(self, bond_port_1, bond_port_2, master_bond_port): + """ + check if adding duplicate stacked bonded device is forbidden + """ + inst = self.bond_inst + # check exception process + expected_str = "Slave device is already a slave of a bonded device" + # add bonded device 1 to bonded device 3 + # check bonding config status + inst.add_slave(master_bond_port, False, expected_str, *[bond_port_1]) + # add bonded device 2 to bonded device 3 + # check bonding config status + inst.add_slave(master_bond_port, False, expected_str, *[bond_port_2]) + + def preset_stacked_bonded(self, slaveGrpOne, slaveGrpTwo, bond_mode): + bond_port_1, bond_port_2, master_bond_port = self.set_stacked_bonded( + slaveGrpOne, slaveGrpTwo, bond_mode, ignore=True + ) + portList = [ + slaveGrpOne[0], + slaveGrpTwo[0], + bond_port_1, + bond_port_2, + master_bond_port, + ] + cmds = [ + ["port stop all", ""], + ["set portlist " + ",".join([str(port) for port in portList]), ""], + # start top level bond port only, and let it propagate the start + # action to slave bond ports and its the real nics. + ["port start {}".format(master_bond_port), " ", 15], + ] + self.bond_inst.d_console(cmds) + # blank space command is used to skip LSC event to avoid core dumped issue + time.sleep(5) + cmds = [[" ", ""], ["start", ""]] + self.bond_inst.d_console(cmds) + time.sleep(5) + + return bond_port_1, bond_port_2, master_bond_port + + def send_packets_by_scapy(self, **kwargs): + tx_iface = kwargs.get("port topo")[0] + # set interface ready to send packet + self.dut1 = self.dut.new_session() + cmd = "ifconfig {0} up".format(tx_iface) + self.dut1.send_expect(cmd, "# ", 30) + send_pkts = kwargs.get("stream") + # stream config + stream_configs = kwargs.get("traffic configs") + count = stream_configs.get("count") + interval = stream_configs.get("interval", 0.01) + # run traffic + self.dut1.send_expect("scapy", ">>> ", 30) + cmd = ( + "sendp(" + + send_pkts[0].command() + + f',iface="{tx_iface}",count={count},inter={interval},verbose=False)' + ) + self.dut1.send_expect(cmd, ">>> ") + self.dut1.send_expect("quit()", "# ") + self.dut.close_session(self.dut1) + + # + # packet transmission + # + def traffic(self, traffic_config, ports, tport_is_up=True): + # get ports statistics before sending packets + stats_pre = self.bond_inst.get_all_stats(ports) + # send packets + if tport_is_up: + self.bond_inst.send_packet(traffic_config) + else: + self.send_packets_by_scapy(**traffic_config) + # get ports statistics after sending packets + stats_post = self.bond_inst.get_all_stats(ports) + # calculate ports statistics result + for port_id in ports: + stats_post[port_id]["RX-packets"] -= stats_pre[port_id]["RX-packets"] + stats_post[port_id]["TX-packets"] -= stats_pre[port_id]["TX-packets"] + + return stats_post + + def config_port_traffic(self, tx_port, rx_port, total_pkt): + """set traffic configuration""" + traffic_config = { + "port topo": [tx_port, rx_port], + "stream": self.bond_inst.set_stream_to_slave_port(rx_port), + "traffic configs": { + "count": total_pkt, + }, + } + + return traffic_config + + def active_slave_rx(self, slave, bond_port, mode): + msg = "send packet to active slave port <{0}>".format(slave) + self.logger.info(msg) + if slave in [0, 1]: + tx_intf = self.tester.get_interface( + self.tester.get_local_port(self.dut_ports[0]) + ) + elif slave in [2, 3]: + tx_intf = self.tester.get_interface( + self.tester.get_local_port(self.dut_ports[1]) + ) + else: + self.verify(False, "Error slave port <{0}>".format(slave)) + # get traffic config + traffic_config = self.config_port_traffic(tx_intf, slave, self.total_pkt) + # select ports for statistics + ports = [slave, bond_port] + # run traffic + stats = self.traffic(traffic_config, ports) + # check slave statistics + msg = "port <{0}> Data not received by port <{1}>".format(tx_intf, slave) + # here using `>=` to ignore some miscellaneous packets, e.g. lldp + self.verify(stats[slave]["RX-packets"] >= self.total_pkt, msg) + msg = "tester port {0} <----> VF port {1} is ok".format(tx_intf, slave) + self.logger.info(msg) + # check bond port statistics + # here using `>=` to ignore some miscellaneous packets, e.g. lldp + self.verify( + stats[slave]["RX-packets"] >= self.total_pkt, + "Bond port have error RX packet in XOR", + ) + + def inactive_slave_rx(self, slave, bond_port, mode): + msg = "send packet to inactive slave port <{0}>".format(slave) + self.logger.info(msg) + tx_intf = self.dport_ifaces + # get traffic config + traffic_config = self.config_port_traffic(tx_intf, slave, self.total_pkt) + # select ports for statistics + ports = [slave, bond_port] + # run traffic + stats = self.traffic(traffic_config, ports, tport_is_up=False) + # check slave statistics + msg = ("port <{0}> Data received by port <{1}>, " "but should not.").format( + tx_intf, slave + ) + self.verify(stats[slave]["RX-packets"] == 0, msg) + msg = "tester port {0} <-| |-> VF port {1} is blocked".format(tx_intf, slave) + self.logger.info(msg) + # check bond port statistics + self.verify( + stats[slave]["RX-packets"] == 0, + "Bond port have error RX packet in {0}".format(mode), + ) + + def set_port_status(self, vfs_id, tport_inface, status): + # stop slave link by force + cmd = "ifconfig {0} {1}".format(tport_inface, status) + self.tester.send_expect(cmd, "# ") + time.sleep(3) + vfs_id = vfs_id if isinstance(vfs_id, list) else [vfs_id] + for vf in vfs_id: + cur_status = self.bond_inst.get_port_info(vf, "link_status") + self.logger.info("port {0} is [{1}]".format(vf, cur_status)) + self.verify(cur_status == status, "expected status is [{0}]".format(status)) + + def check_traffic_with_one_slave_down(self, mode): + """ + Verify that transmitting packets correctly when set one slave of + the bonded device link down. + """ + results = [] + # ------------------------------- + # boot up testpmd + self.bond_inst.start_testpmd(self.eal_param) + self.bond_inst.d_console("set fwd mac") + try: + slaves = {"active": [], "inactive": []} + # ------------------------------- + # preset stacked bonded device + slaveGrpOne = self.slaveGrpOne + slaveGrpTwo = self.slaveGrpTwo + bond_port_1, bond_port_2, master_bond_port = self.preset_stacked_bonded( + slaveGrpOne, slaveGrpTwo, mode + ) + # --------------------------------------------------- + # set one slave of first bonded device and second bonded device link down + bond1_primary_slave = slaveGrpOne[0] + bond2_primary_slave = slaveGrpTwo[0] + # self.bond_inst.set_dut_port_status(primary_slave, "down") + self.set_port_status( + vfs_id=[0, 1], tport_inface=self.tport_iface0, status="down" + ) + slaves["inactive"].append(bond1_primary_slave) + # get slave status + primary_port, active_slaves = self.bond_inst.get_active_slaves(bond_port_1) + slaves["active"].extend(active_slaves) + if bond1_primary_slave in slaves["active"]: + msg = "{0} should not be in active slaves list".format( + bond1_primary_slave + ) + raise Exception(msg) + slaves["inactive"].append(bond2_primary_slave) + # check active slaves + primary_port_2, active_slaves_2 = self.bond_inst.get_active_slaves( + bond_port_2 + ) + slaves["active"].extend(active_slaves_2) + if bond2_primary_slave in slaves["active"]: + msg = "{0} should not be in active slaves list".format( + bond2_primary_slave + ) + raise Exception(msg) + # traffic testing + # active slave traffic testing + for slave in slaves["active"]: + self.active_slave_rx(slave, master_bond_port, mode) + # inactive slave traffic testing + for slave in slaves["inactive"]: + self.inactive_slave_rx(slave, master_bond_port, mode) + except Exception as e: + results.append(e) + self.logger.error(traceback.format_exc()) + finally: + self.bond_inst.close_testpmd() + + return results + + def check_traffic(self, mode): + """normal traffic with all slaves are under active status. + verify the RX packets are all correct with stacked bonded device. + bonded device's statistics should be the sum of slaves statistics. + """ + self.bond_inst.start_testpmd(self.eal_param) + self.bond_inst.d_console("set fwd mac") + slaveGrpOne = self.slaveGrpOne + slaveGrpTwo = self.slaveGrpTwo + bond_port_1, bond_port_2, master_bond_port = self.preset_stacked_bonded( + slaveGrpOne, slaveGrpTwo, mode + ) + results = [] + # check first bonded device + try: + self.logger.info("check first bonded device") + # active slave traffic testing + for slave in slaveGrpOne: + self.active_slave_rx(slave, bond_port_1, mode) + except Exception as e: + results.append(e) + # check second bonded device + try: + self.logger.info("check second bonded device") + # active slave traffic testing + for slave in slaveGrpOne: + self.active_slave_rx(slave, bond_port_2, mode) + except Exception as e: + results.append(e) + + # check top bonded device + try: + self.logger.info("check master bonded device") + # active slave traffic testing + for slave in slaveGrpOne + slaveGrpTwo: + self.active_slave_rx(slave, master_bond_port, mode) + except Exception as e: + results.append(e) + + self.bond_inst.close_testpmd() + + return results + + def backup_check_traffic(self): + mode = MODE_ACTIVE_BACKUP + msg = "begin checking bonding backup(stacked) mode transmission" + self.logger.info(msg) + results = self.check_traffic(mode) + if results: + for item in results: + self.logger.error(item) + raise VerifyFailure("backup(stacked) mode: rx failed") + + def backup_check_traffic_with_slave_down(self): + mode = MODE_ACTIVE_BACKUP + self.logger.info( + "begin checking bonding backup(stacked) " + "mode transmission with one slave down" + ) + results = self.check_traffic_with_one_slave_down(mode) + if results: + for item in results: + self.logger.error(item) + msg = "backup(stacked) mode: rx with one slave down failed" + raise VerifyFailure(msg) + + def xor_check_rx(self): + mode = MODE_XOR_BALANCE + msg = "begin checking bonding xor(stacked) mode transmission" + self.logger.info(msg) + results = self.check_traffic(mode) + if results: + for item in results: + self.logger.error(item) + raise VerifyFailure("xor(stacked) mode: rx failed") + + def xor_check_stacked_rx_one_slave_down(self): + mode = MODE_XOR_BALANCE + self.logger.info( + "begin checking bonding xor(stacked) mode " + "transmission with one slave down" + ) + results = self.check_traffic_with_one_slave_down(mode) + if results: + for item in results: + self.logger.error(item) + msg = "xor(stacked) mode: rx with one slave down failed" + raise VerifyFailure(msg) + + # + # Test cases. + # + def set_up_all(self): + """ + Run before each test suite + """ + self.verify("bsdapp" not in self.target, "Bonding not support freebsd") + self.dut_ports = self.dut.get_ports() + self.dport_info0 = self.dut.ports_info[self.dut_ports[0]] + self.dport_ifaces = self.dport_info0["intf"] + num_ports = len(self.dut_ports) + self.verify(num_ports == 2 or num_ports == 4, "Insufficient ports") + tester_port0 = self.tester.get_local_port(self.dut_ports[0]) + self.tport_iface0 = self.tester.get_interface(tester_port0) + self.flag = "link-down-on-close" + self.default_stats = self.tester.get_priv_flags_state( + self.tport_iface0, self.flag + ) + self.tester.send_expect( + "ethtool --set-priv-flags %s %s on" % (self.tport_iface0, self.flag), "# " + ) + tester_port1 = self.tester.get_local_port(self.dut_ports[1]) + self.tport_iface1 = self.tester.get_interface(tester_port1) + self.tester.send_expect( + "ethtool --set-priv-flags %s %s on" % (self.tport_iface1, self.flag), "# " + ) + # separate ports into two group as first level bond ports' slaves + self.slaveGrpOne = [0, 2] + self.slaveGrpTwo = [1, 3] + self.bond_slave = self.dut_ports[0] + # initialize bonding common methods name + self.total_pkt = 100 + config = { + "parent": self, + "pkt_name": "udp", + "pkt_size": FRAME_SIZE_64, + "src_mac": "52:00:00:00:00:03", + "src_ip": "10.239.129.65", + "src_port": 61, + "dst_ip": "10.239.129.88", + "dst_port": 53, + } + self.bond_inst = bonding.PmdBonding(**config) + + def tear_down_all(self): + """ + Run after each test suite. + """ + self.tester.send_expect( + "ethtool --set-priv-flags %s %s %s" + % (self.tport_iface0, self.flag, self.default_stats), + "# ", + ) + self.tester.send_expect( + "ethtool --set-priv-flags %s %s %s" + % (self.tport_iface1, self.flag, self.default_stats), + "# ", + ) + + def set_up(self): + """ + Run before each test case. + """ + self.create_vfs(pfs_id=self.dut_ports[0:2], vf_num=2) + self.eal_param = "" + for pci in self.vfs_pci: + self.eal_param += " -a %s" % pci + + def create_vfs(self, pfs_id, vf_num): + self.sriov_vfs_port = [] + self.vfs_pci = [] + self.dut.bind_interfaces_linux(self.kdriver) + pfs_id = pfs_id if isinstance(pfs_id, list) else [pfs_id] + for pf_id in pfs_id: + self.dut.generate_sriov_vfs_by_port(pf_id, vf_num) + self.sriov_vfs_port += self.dut.ports_info[self.dut_ports[pf_id]][ + "vfs_port" + ] + for vf in self.sriov_vfs_port: + self.vfs_pci.append(vf.pci) + try: + for port in self.sriov_vfs_port: + port.bind_driver(self.drivername) + except Exception as e: + self.destroy_iavf() + raise Exception(e) + + def destroy_iavf(self): + self.dut.destroy_sriov_vfs_by_port(self.dut_ports[0]) + + def tear_down(self): + """ + Run after each test case. + """ + try: + self.bond_inst.close_testpmd() + except Exception: + self.dut.kill_all() + self.destroy_iavf() + for port in self.dut_ports: + tport = self.tester.get_local_port(port) + tport_iface = self.tester.get_interface(tport) + cmd = "ifconfig {0} up".format(tport_iface) + self.tester.send_expect(cmd, "# ") + + def test_basic_behav(self): + """ + Test Case: basic behavior + allow a bonded device to be added to another bonded device. + There's two limitations to create master bonding: + + - Total depth of nesting is limited to two levels, + - 802.3ad mode is not supported if one or more slaves is a bond device + + note: There 802.3ad mode can not be supported on this bond device. + + This case is aimed at testing basic behavior of stacked bonded commands. + + """ + # ------------------------------------------------ + # check stacked bonded status, except mode 4 (802.3ad) + mode_list = [ + MODE_ROUND_ROBIN, + MODE_ACTIVE_BACKUP, + MODE_XOR_BALANCE, + MODE_BROADCAST, + MODE_TLB_BALANCE, + MODE_ALB_BALANCE, + ] + slaveGrpOne = self.slaveGrpOne + slaveGrpTwo = self.slaveGrpTwo + check_result = [] + for bond_mode in mode_list: + self.logger.info("begin mode <{0}> checking".format(bond_mode)) + # boot up testpmd + self.bond_inst.start_testpmd(self.eal_param) + self.bond_inst.d_console("set fwd mac") + try: + self.logger.info("check bonding mode <{0}>".format(bond_mode)) + # set up stacked bonded status + bond_port_1, bond_port_2, master_bond_port = self.set_stacked_bonded( + slaveGrpOne, slaveGrpTwo, bond_mode + ) + # check duplicate add slave + self.duplicate_add_stacked_bonded( + bond_port_1, bond_port_2, master_bond_port + ) + # check stacked limitation + self.set_third_stacked_bonded(master_bond_port, bond_mode) + # quit testpmd, it is not supported to reset testpmd + self.logger.info("mode <{0}> done !".format(bond_mode)) + check_result.append([bond_mode, None]) + except Exception as e: + check_result.append([bond_mode, e]) + self.logger.error(e) + finally: + self.bond_inst.close_testpmd() + time.sleep(5) + # ------------------------------------------------ + # 802.3ad mode is not supported + # if one or more slaves is a bond device + # so it should raise a exception + msg = "" + try: + # boot up testpmd + self.bond_inst.start_testpmd(self.eal_param) + # set up stacked bonded status + self.set_stacked_bonded(slaveGrpOne, slaveGrpTwo, MODE_LACP) + # quit testpmd, it is not supported to reset testpmd + msg = "802.3ad mode hasn't been forbidden to " "use stacked bonded setting" + check_result.append([MODE_LACP, msg]) + except Exception as e: + check_result.append([MODE_LACP, None]) + finally: + self.bond_inst.close_testpmd() + + exception_flag = False + for bond_mode, e in check_result: + msg = "mode <{0}>".format(bond_mode) + if e: + self.logger.info(msg) + self.logger.error(e) + exception_flag = True + else: + self.logger.info(msg + " done !") + # if some checking item is failed, raise exception + if exception_flag: + raise VerifyFailure("some test items failed") + else: + self.logger.info("all test items have done !") + + def test_mode_backup_rx(self): + """ + Test Case: active-backup stacked bonded rx traffic + """ + self.backup_check_traffic() + + def test_mode_backup_one_slave_down(self): + """ + Test Case: active-backup stacked bonded rx traffic with slave down + """ + self.backup_check_traffic_with_slave_down() + + def test_mode_xor_rx(self): + """ + Test Case: balance-xor stacked bonded rx traffic + """ + self.xor_check_rx() + + def test_mode_xor_rx_one_slave_down(self): + """ + Test Case: balance-xor stacked bonded rx traffic with slave down + """ + self.xor_check_stacked_rx_one_slave_down() -- 2.25.1