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RE: [lwip-users] Rapid tcp sending leads to a very long chain of pbufs


From: fabian . koch
Subject: RE: [lwip-users] Rapid tcp sending leads to a very long chain of pbufs
Date: Tue, 25 Nov 2008 09:30:12 +0100


Hey,

that is the LwIP implementation of the Nagle Algorithm.
There were some discussions on this list about it already.

You can use TCP_NODELAY socketoption in sequential APIs. (setsockopt)

Also TCP_SND_QUEUELEN calculates the number of pbufs for tcp communication, AFAIK.

regards,
Fabian

address@hidden wrote on 25.11.2008 09:12:43:

> Another question would be, is there a way for me to force TCP to
> send instead queueing ? Like some kind of flush function?

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