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esp-idf/examples/wifi/iperf
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Nachiket Kukade 154e579cfc esp_wifi: Always connect Station in PMF mode if possible 
While using esp_wifi_set_config, flag pmf_capable defaults to 0.
Users may not bother to enable it, which prevents connection to a
WPA3 AP. Or the AP may reset into WPA3 mode failing the re-connection.
To ensure better security, deprecate the pmf_capable flag and set it to
true internally.
Additionally add API esp_wifi_disable_pmf_config to disable PMF for
debug purposes or to avoid PMF issues on AP side.
2022-04-12 18:40:51 +05:30
..
components/iperf test: fix socket issue in iperf example test 2021-06-08 17:11:38 +08:00
main esp_wifi: Always connect Station in PMF mode if possible 2022-04-12 18:40:51 +05:30
CMakeLists.txt build_app: make multi target support readable 2020-04-09 16:40:57 +08:00
iperf_test.py test: fix socket issue in iperf example test 2021-06-08 17:11:38 +08:00
Makefile ethernet: add iperf example to test real bandwidth 2018-10-08 09:51:17 +08:00
README.md esp_wifi: re-enable build wifi example 2020-06-17 14:52:58 +08:00
sdkconfig.ci.00 examples: fix sdkconfig warnings 2019-11-21 15:36:06 +01:00
sdkconfig.ci.01 examples: fix sdkconfig warnings 2019-11-21 15:36:06 +01:00
sdkconfig.ci.02 examples: fix sdkconfig warnings 2019-11-21 15:36:06 +01:00
sdkconfig.ci.03 examples: fix sdkconfig warnings 2019-11-21 15:36:06 +01:00
sdkconfig.ci.04 examples: fix sdkconfig warnings 2019-11-21 15:36:06 +01:00
sdkconfig.ci.05 examples: fix sdkconfig warnings 2019-11-21 15:36:06 +01:00
sdkconfig.ci.06 examples: fix sdkconfig warnings 2019-11-21 15:36:06 +01:00
sdkconfig.ci.07 examples: fix sdkconfig warnings 2019-11-21 15:36:06 +01:00
sdkconfig.ci.99 test: support multiple targets for iperf example test 2021-05-20 17:09:53 +08:00
sdkconfig.defaults examples: update esp32s2 config for wifi iperf 2020-03-24 11:36:16 +08:00
sdkconfig.defaults.esp32 examples: update esp32s2 config for wifi iperf 2020-03-24 11:36:16 +08:00
sdkconfig.defaults.esp32s2 update esp32s2 iperf config 2020-04-30 14:00:34 +08:00

README.md

Iperf Example

Note about iperf version

The iperf example doesn't support all features in standard iperf. It's compitable with iperf version 2.x.

Note about 80MHz flash frequency

The iperf can get better throughput if the SPI flash frequency is set to 80MHz, but the system may crash in 80MHz mode for ESP-WROVER-KIT. Removing R140~R145 from the board can fix this issue. Currently the default SPI frequency is set to 40MHz, if you want to change the SPI flash frequency to 80MHz, please make sure R140~R145 are removed from ESP-WROVER-KIT or use ESP32 DevKitC.

Introduction

This example implements the protocol used by the common performance measurement tool iPerf. Performance can be measured between two ESP32s running this example, or between a single ESP32 and a computer running the iPerf tool

Demo steps to test station TCP Tx performance:

  1. Build the iperf example with sdkconfig.defaults, which contains performance test specific configurations

  2. Run the demo as station mode and join the target AP sta ssid password

  3. Run iperf as server on AP side iperf -s -i 3

  4. Run iperf as client on ESP32 side iperf -c 192.168.10.42 -i 3 -t 60

The console output, which is printed by station TCP RX throughput test, looks like:

esp32> sta aptest

I (5325) iperf: sta connecting to 'aptest'

esp32> I (6017) event: ip: 192.168.10.248, mask: 255.255.255.0, gw: 192.168.10.1

esp32> iperf -s -i 3 -t 1000

I (14958) iperf: mode=tcp-server sip=192.168.10.248:5001, dip=0.0.0.0:5001, interval=3, time=1000

Interval Bandwidth

esp32> accept: 192.168.10.42,62958

0- 3 sec 8.43 Mbits/sec

3- 6 sec 36.16 Mbits/sec

6- 9 sec 36.22 Mbits/sec

9- 12 sec 36.44 Mbits/sec

12- 15 sec 36.25 Mbits/sec

15- 18 sec 24.36 Mbits/sec

18- 21 sec 27.79 Mbits/sec

Steps to test station/soft-AP TCP/UDP RX/TX throughput are similar as test steps in station TCP TX.

See the README.md file in the upper level 'examples' directory for more information about examples.