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Re: [lwip-users] [Issue] TCP fragmentation over PPP - fragments are lost


From: Simon Goldschmidt
Subject: Re: [lwip-users] [Issue] TCP fragmentation over PPP - fragments are lost in LwIP if data is queued for sending
Date: Fri, 25 Nov 2016 14:38:28 +0100

Marco Jakobs wrote:
> Sorry, I meant the best place to put the breakpoint here ;-)
> I'll try in the pppifOutput ...

Right. Try to put a breakpoint in pppifOutput with a condition that you get 
there when the 2nd packet is sent (revert your nagle changes before). Then have 
a look into the pcb to see what segments are lying around there in unsent and 
unacked. Also have a look at the call stack.


Simon



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