Re: [lwip-users] Socket API send command packaging up data

2018-08-01 Thread Mike Danby
That’s were ill start then, I have attached a Wireshark trace if you can gleam any more information form it. Thanks. From: lwip-users On Behalf Of goldsimon Sent: 01 August 2018 10:02 To: Mailing list for lwIP users Subject: Re: [lwip-users] Socket API send command packaging up data

Re: [lwip-users] Socket API send command packaging up data

2018-08-01 Thread goldsimon
sers >On Behalf Of Sergio R. Caprile >Sent: 31 July 2018 16:38 >To: lwip-users@nongnu.org >Subject: Re: [lwip-users] Socket API send command packaging up data > >Completely missed the "20 second" part. >You don't remember wrong, and you know it ;^) > >__

Re: [lwip-users] Socket API send command packaging up data

2018-08-01 Thread Mike Danby
uence Incorrect", I assume (probably incorrectly) because the frame size incorrect even though data is good. -Original Message- From: lwip-users On Behalf Of Sergio R. Caprile Sent: 31 July 2018 16:38 To: lwip-users@nongnu.org Subject: Re: [lwip-users] Socket API send command pa

Re: [lwip-users] Socket API send command packaging up data

2018-07-31 Thread Sergio R. Caprile
Completely missed the "20 second" part. You don't remember wrong, and you know it ;^) ___ lwip-users mailing list lwip-users@nongnu.org https://lists.nongnu.org/mailman/listinfo/lwip-users

Re: [lwip-users] Socket API send command packaging up data

2018-07-31 Thread goldsimon
Am 31. Juli 2018 14:34:14 MESZ schrieb "Sergio R. Caprile" : >What you see is the Naggle algorithm. I thought so, too, but if he is seeing 20 seconds delay, it's not Nagle but some bug. In fact, nagle should only hold off sending data if there is already unacked data under way. If unsent

Re: [lwip-users] Socket API send command packaging up data

2018-07-31 Thread Sergio R. Caprile
What you see is the Naggle algorithm. It is the old trade off, delay or throughput. If your application requires throughput, you want it. If you do need short delay, it can usually be minimized by some configuration function/option. The RAW API lets you tweak mostly at will, but the interface is

Re: [lwip-users] Socket API send command packaging up data

2018-07-31 Thread goldsimon
Am 31. Juli 2018 11:13:00 MESZ schrieb Mike Danby : >Hello, > >Forgive my ignorance I am new to the TCP/IP stack scene. I am currently >trying to get the LWIP stack up and running with FreeRTOS on a >Microblaze based system. I have successfully started a TCP server and >managed to connect a

[lwip-users] Socket API send command packaging up data

2018-07-31 Thread Mike Danby
Hello, Forgive my ignorance I am new to the TCP/IP stack scene. I am currently trying to get the LWIP stack up and running with FreeRTOS on a Microblaze based system. I have successfully started a TCP server and managed to connect a client. The test code I have hacked together simply writes a