lwip-users
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [lwip-users] ignored packets?


From: Domen Puncer
Subject: Re: [lwip-users] ignored packets?
Date: Thu, 2 Apr 2009 14:54:34 +0200
User-agent: Mutt/1.5.18 (2008-05-17)

On 02/04/09 11:17 +0100, Kieran Mansley wrote:
> On Thu, 2009-04-02 at 12:09 +0200, Domen Puncer wrote:
> > Wireshark shows the packets are being sent to lwIP, but all
> > of the sudden, it just "forgets to reply with ack"? Other connections
> > still work.
> 
> Is the data that isn't acked delivered to the application?  I.e. is it
> just the ack that goes missing, or the data as well?

Right, data is also missing.

> 
> > It would make sense if packets were dropped, but it doesn't look so from
> > lwip_stats (see end of message).
> 
> Is there any path in your driver that could result in dropped packets?
> That would be my first guess.

On first look, no. But it uses polling, and then probably drops packets
when many arrive at "the same time". Then I'd expect the large payload
transfers to fail.

Guess I should play with that.

> 
> Kieran
> 
> 
> 
> _______________________________________________
> lwip-users mailing list
> address@hidden
> http://lists.nongnu.org/mailman/listinfo/lwip-users




reply via email to

[Prev in Thread] Current Thread [Next in Thread]