Hello,
i am facing issue with lwip IP stack. the consequence is that the lwip stack is
running but does not sending outgoing packets any more.
this issue is raised by using several methods. The most simple method to raise
this problem is to unplug the RJ45 cable for a while. Then i reconnect the
cable the stack is not able to send new out going message due to memory error.
In the link statistic structure, the field memerr is increased by one each time
i try to send out going frame.
the problem is located in low_level_output function around the code lines below.
tx = (ADI_ETHER_BUFFER) nip->x
if (tx == NULL)
{ increase the memerr value of theLINK structure}
in the lwip 1.2 version this code is located around line 395 (for the
moment i have no way to upgrade the lwip version)
there is not a lot of information regarding this "x" field of the
ADI_ETHER_BUFFER structure.
Any information around this field or this structure are well come.
Any advise on how to track my issue are well come to.
i use the lwip v1.2 with an Analog Device port.
Regards,
Christophe
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