[lwip-devel] [bug #52901] lwiperf fail with iperf version 2.0.10

[David GIRAULT]

URL:
  <http://savannah.nongnu.org/bugs/?52901>

                 Summary: lwiperf fail with iperf version 2.0.10
                 Project: lwIP - A Lightweight TCP/IP stack
            Submitted by: dgirault
            Submitted on: Mon 15 Jan 2018 03:21:02 PM UTC
                Category: apps
                Severity: 3 - Normal
              Item Group: Faulty Behaviour
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: None
            lwIP version: git head

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Details:

On Ubuntu, iperf version is 2.0.10. Using this version, lwiperf fail
unidirectionnal test when no compatibility parameter '-C' is given to iperf
client.

The one failing:

$ iperf -c 192.168.0.26
------------------------------------------------------------
Client connecting to 192.168.0.26, TCP port 5001
TCP window size: 85.0 KByte (default)
------------------------------------------------------------
[  3] local 172.16.1.30 port 40416 connected with 192.168.0.26 port 5001
write failed: Connection reset by peer
[ ID] Interval       Transfer     Bandwidth
[  3]  0.0- 0.1 sec  28.5 KBytes  4.13 Mbits/sec

and got 3 in lwiperf_report function.


Giving '-C' parameter:

$ iperf -c 192.168.0.26 -C
------------------------------------------------------------
Client connecting to 192.168.0.26, TCP port 5001
TCP window size: 85.0 KByte (default)
------------------------------------------------------------
[  3] local 172.16.1.30 port 40418 connected with 192.168.0.26 port 5001
[ ID] Interval       Transfer     Bandwidth
[  3]  0.0-10.1 sec  7.12 MBytes  5.93 Mbits/sec

Work well.

If using '-r' or '-d' parameter for bidirectionnal tests, it work.





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