--- /dev/null
+#!/usr/bin/env python3
+# SPDX-License-Identifier: GPL-2.0
+
+#Introduction:
+#This file has basic performance test for generic NIC drivers.
+#The test comprises of throughput check for TCP and UDP streams.
+#
+#Setup:
+#Connect the DUT PC with NIC card to partner pc back via ethernet medium of your choice(RJ45, T1)
+#
+# DUT PC Partner PC
+#┌───────────────────────┐ ┌──────────────────────────┐
+#│ │ │ │
+#│ │ │ │
+#│ ┌───────────┐ │ │
+#│ │DUT NIC │ Eth │ │
+#│ │Interface ─┼─────────────────────────┼─ any eth Interface │
+#│ └───────────┘ │ │
+#│ │ │ │
+#│ │ │ │
+#└───────────────────────┘ └──────────────────────────┘
+#
+#Configurations:
+#To prevent interruptions, Add ethtool, ip to the sudoers list in remote PC and get the ssh key from remote.
+#Required minimum ethtool version is 6.10
+#Change the below configuration based on your hw needs.
+# """Default values"""
+#time_delay = 8 #time taken to wait for transitions to happen, in seconds.
+#test_duration = 10 #performance test duration for the throughput check, in seconds.
+#send_throughput_threshold = 80 #percentage of send throughput required to pass the check
+#receive_throughput_threshold = 50 #percentage of receive throughput required to pass the check
+
+import time
+import json
+import argparse
+from lib.py import ksft_run, ksft_exit, ksft_pr, ksft_true
+from lib.py import KsftFailEx, KsftSkipEx, GenerateTraffic
+from lib.py import NetDrvEpEnv, bkg, wait_port_listen
+from lib.py import cmd
+from lib.py import LinkConfig
+
+class TestConfig:
+ def __init__(self, time_delay: int, test_duration: int, send_throughput_threshold: int, receive_throughput_threshold: int) -> None:
+ self.time_delay = time_delay
+ self.test_duration = test_duration
+ self.send_throughput_threshold = send_throughput_threshold
+ self.receive_throughput_threshold = receive_throughput_threshold
+
+def _pre_test_checks(cfg: object, link_config: LinkConfig) -> None:
+ if not link_config.verify_link_up():
+ KsftSkipEx(f"Link state of interface {cfg.ifname} is DOWN")
+ common_link_modes = link_config.common_link_modes
+ if common_link_modes is None:
+ KsftSkipEx("No common link modes found")
+ if link_config.partner_netif == None:
+ KsftSkipEx("Partner interface is not available")
+ if link_config.check_autoneg_supported():
+ KsftSkipEx("Auto-negotiation not supported by local")
+ if link_config.check_autoneg_supported(remote=True):
+ KsftSkipEx("Auto-negotiation not supported by remote")
+ cfg.require_cmd("iperf3", remote=True)
+
+def check_throughput(cfg: object, link_config: LinkConfig, test_config: TestConfig, protocol: str, traffic: GenerateTraffic) -> None:
+ common_link_modes = link_config.common_link_modes
+ speeds, duplex_modes = link_config.get_speed_duplex_values(common_link_modes)
+ """Test duration in seconds"""
+ duration = test_config.test_duration
+
+ ksft_pr(f"{protocol} test")
+ test_type = "-u" if protocol == "UDP" else ""
+
+ send_throughput = []
+ receive_throughput = []
+ for idx in range(0, len(speeds)):
+ if link_config.set_speed_and_duplex(speeds[idx], duplex_modes[idx]) == False:
+ raise KsftFailEx(f"Not able to set speed and duplex parameters for {cfg.ifname}")
+ time.sleep(test_config.time_delay)
+ if not link_config.verify_link_up():
+ raise KsftSkipEx(f"Link state of interface {cfg.ifname} is DOWN")
+
+ send_command=f"{test_type} -b 0 -t {duration} --json"
+ receive_command=f"{test_type} -b 0 -t {duration} --reverse --json"
+
+ send_result = traffic.run_remote_test(cfg, command=send_command)
+ if send_result.ret != 0:
+ raise KsftSkipEx("Error occurred during data transmit: {send_result.stdout}")
+
+ send_output = send_result.stdout
+ send_data = json.loads(send_output)
+
+ """Convert throughput to Mbps"""
+ send_throughput.append(round(send_data['end']['sum_sent']['bits_per_second'] / 1e6, 2))
+ ksft_pr(f"{protocol}: Send throughput: {send_throughput[idx]} Mbps")
+
+ receive_result = traffic.run_remote_test(cfg, command=receive_command)
+ if receive_result.ret != 0:
+ raise KsftSkipEx("Error occurred during data receive: {receive_result.stdout}")
+
+ receive_output = receive_result.stdout
+ receive_data = json.loads(receive_output)
+
+ """Convert throughput to Mbps"""
+ receive_throughput.append(round(receive_data['end']['sum_received']['bits_per_second'] / 1e6, 2))
+ ksft_pr(f"{protocol}: Receive throughput: {receive_throughput[idx]} Mbps")
+
+ """Check whether throughput is not below the threshold (default values set at start)"""
+ for idx in range(0, len(speeds)):
+ send_threshold = float(speeds[idx]) * float(test_config.send_throughput_threshold / 100)
+ receive_threshold = float(speeds[idx]) * float(test_config.receive_throughput_threshold / 100)
+ ksft_true(send_throughput[idx] >= send_threshold, f"{protocol}: Send throughput is below threshold for {speeds[idx]} Mbps in {duplex_modes[idx]} duplex")
+ ksft_true(receive_throughput[idx] >= receive_threshold, f"{protocol}: Receive throughput is below threshold for {speeds[idx]} Mbps in {duplex_modes[idx]} duplex")
+
+def test_tcp_throughput(cfg: object, link_config: LinkConfig, test_config: TestConfig, traffic: GenerateTraffic) -> None:
+ _pre_test_checks(cfg, link_config)
+ check_throughput(cfg, link_config, test_config, 'TCP', traffic)
+
+def test_udp_throughput(cfg: object, link_config: LinkConfig, test_config: TestConfig, traffic: GenerateTraffic) -> None:
+ _pre_test_checks(cfg, link_config)
+ check_throughput(cfg, link_config, test_config, 'UDP', traffic)
+
+def main() -> None:
+ parser = argparse.ArgumentParser(description="Run basic performance test for NIC driver")
+ parser.add_argument('--time-delay', type=int, default=8, help='Time taken to wait for transitions to happen(in seconds). Default is 8 seconds.')
+ parser.add_argument('--test-duration', type=int, default=10, help='Performance test duration for the throughput check, in seconds. Default is 10 seconds.')
+ parser.add_argument('--stt', type=int, default=80, help='Send throughput Threshold: Percentage of send throughput upon actual throughput required to pass the throughput check (in percentage). Default is 80.')
+ parser.add_argument('--rtt', type=int, default=50, help='Receive throughput Threshold: Percentage of receive throughput upon actual throughput required to pass the throughput check (in percentage). Default is 50.')
+ args=parser.parse_args()
+ test_config = TestConfig(args.time_delay, args.test_duration, args.stt, args.rtt)
+ with NetDrvEpEnv(__file__, nsim_test=False) as cfg:
+ traffic = GenerateTraffic(cfg)
+ link_config = LinkConfig(cfg)
+ ksft_run(globs=globals(), case_pfx={"test_"}, args=(cfg, link_config, test_config, traffic, ))
+ link_config.reset_interface()
+ ksft_exit()
+
+if __name__ == "__main__":
+ main()
projects / users / dwmw2 / linux.git / commitdiff