On Sat, 20 Feb 2021 07:52:46 +0000 Joakim Zhang wrote: > > I'm not sure why you recycle and reallocate every buffer. Isn't it enough to > > reinitialize the descriptors with the buffers which are already allocated? > > As I know, the receive buffer address is not fixed after allocated, > it will recycle and re-allocate in stmmac_rx(), where to handle the > receive buffers.
Not sure what you mean by that. The driver must know the addresses of the memory it allocated and handed over to the device. > It should be enough to re-initialize the descriptors with the buffers > if it is possible. Could you point me how to do it?
