On Thu, 13 Jul 2023 14:48:45 +0000 Haiyang Zhang wrote:

Add page pool for RX buffers for faster buffer cycle and reduce CPU
usage.

Get an extra ref count of a page after allocation, so after upper
layers put the page, it's still referenced by the pool. We can reuse
it as RX buffer without alloc a new page.

Please use the real page_pool API from include/net/page_pool.h
We've moved past every driver reinventing the wheel, sorry.
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pw-bot: cr