DigiConnect 6UL Wifi throughput

Embedded Devices Linux
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1

Hi,
We are currently evaluating the DigiConnect6UL to integrate into our product line.

I used the DigiConnect6UL SBC express evalaution kit, and configured is as an Wifi-access point with a bridged ethernet-wifi interface, as documented on your website. By the way excellent documentation!
The firmware is the pre-build image downloaded from your website.

I used iperf3 to perform TCP/UDP performance tests, I tested both on 2.4Ghz and 5 Ghz band
with a different number of wifi stations (Smart Phone, Macbook, raspi)

  • TCP download is 10 MBit/s
  • TCP upload is around 10 Mbit/s
  • UDP download is around 18 Mbit/s
  • No significant cpu/io/irq load measured in Linux

Can you please comment on these values, they seem to be quite bad?
Do you have test results available as well, can you share them?
Could the BT/WIFI coexistence have a negative impact? Is there a way to disable BT?

Thanks for your time,
Kind Regards

2

do you have waln0 and wlan1 both enabled? If so you are using a concurrent mode that heavily impacts performance. If you do not need board to be AP and wifi client at the same time use wlan0 for AP and disable waln1

3

Thanks for your prompt reply.
No, only wlan0 is enabled. It looks like the Ethernet is only negotiating 10
Mbit/s.
Ethtool:
Settings for eth0:
… Speed: 10Mb/s
Duplex: Full
Port: MII
PHYAD: 0
Transceiver: internal
Auto-negotiation: on
Supports Wake-on: g
Wake-on: d
Link detected: yes

I believe this the root-cause. How can I get the ethernet to work on 100 Mbit/s Full Duplex?

Thanks