Re: [lwip-devel] [bug #34525] Queueing a packet for nd leaks memory

[Philipp Tölke]

Hello,

On 11.10.2011 12:52, Simon Goldschmidt wrote:
> its own reference when it does not need it any more (i.e. after sending the
> pbuf). Plus there's an extra rule that pbufs passed to a send-function that
> returns success may not be used any more (i.e. don't send the same pbuf
> twice).

Ok, that seems to solve my problem.

For now I am using blocking code to send the data to the Ethernet
interface. How would I go about using non-blocking I/O (i.e. DMA)? The
send-call would return before the memory was no longer used and then I 
should not free() it in the sending function.

Regards,
Philipp Tölke