Hi Lino, "Lino Sanfilippo" <linosanfili...@gmx.de> writes:
>> maybe I miss something, but the ixp4 ethernet driver seems to handle dma >> pools >> in a wrong way: In init_queues() it creates a dma pool for descriptors and >> then >> only allocates a single descriptor from this pool. The author seems to >> assume the whole >> table has been allocated already, since after that the complete pool size is >> zeroed: >> > > Sorry, I indeed missed something. The allocation is correct. A pool is not > required, though, > since only one chunk is allocated. Not really: there is one pool for all ports, but each port uses a separate desc_tab (allocated from that pool). -- Krzysztof Halasa Industrial Research Institute for Automation and Measurements PIAP Al. Jerozolimskie 202, 02-486 Warsaw, Poland
