fdcavalcanti commented on PR #18211:
URL: https://github.com/apache/nuttx/pull/18211#issuecomment-3823672211
@zhhyu7 thanks for the change.
It works without having to modify the `NET_SEND_BUFSIZE`.
I have tested the following devices before and on this commit and got very
different throughput in each
- ESP32: 12 MBits/s (before: same)
- ESP32S3: 4 MBits/s (before: same) (even with SMP)
- ESP32C3: 6 MBits/s (before: 9 MBits/s)
- ESP32C6: 1 MBits/s (before: same)
While some devices are very slow, it still connects and performs IPERF.
Current issue noticed:
IPERF still gets stuck on the first ~6 seconds, and this is happening on all
devices even before this PR:
```
nsh> iperf -c 192.168.0.125 -i 3 -t 30
IP: 192.168.0.8
mode=tcp-client sip=192.168.0.8:5001,dip=192.168.0.125:5001, interval=3,
time=30
Interval Transfer Bandwidth
0.00- 3.01 sec 49152 Bytes 0.13 Mbits/sec
3.01- 6.02 sec 0 Bytes 0.00 Mbits/sec
6.02- 9.03 sec 2064384 Bytes 5.49 Mbits/sec
9.03- 12.04 sec 2080768 Bytes 5.53 Mbits/sec
12.04- 15.05 sec 2113536 Bytes 5.62 Mbits/sec
```
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