RE: [lwip-users] pbuf misuse or snd_queuelen corruption.

[Andrew Foster]

Simon, 

I've been running with the SYS_LIGHTWEIGHT_PROT defined as 1 and NO_SYS 
defined as 0. Do the pbuf/tcpip functions declare/protect/unprotect the 
appropriate structures or do I need to protect the lwIP calls myself?

Thanks,

Andrew 

-----Original Message-----
From: address@hidden [mailto:address@hidden 
Sent: Monday, October 18, 2010 11:54
To: Mailing list for lwIP users
Subject: Re: [lwip-users] pbuf misuse or snd_queuelen corruption.

  Andrew Foster wrote:
> However, I still have an
> allocation on reception of data and a free when receiving unsupported
> packet types (!IP or !ARP). These would still happen from context of 
the
> low level input and not the tcpip_thread. Should this be restructured 
as
> well?
That should be protected by setting SYS_LIGHTWEIGHT_PROT to 1. Many 
drivers use lwIP this way. The ARP problem was a bug in lwIP and its 
example drivers which was fixed around 1.3.0.

Simon

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