IDI
===

SDIO
====
* ISR - Need to create Rx worker for handling interrupts
	it's possible that wifi is not the only SDIO card, so claiming the host
	for long periods can be problematic
       	target access from isr is not possible

* Rx -	use large max RB size (32K?). In this case need to allocate one buffer
	for reading and copy pages from there. The tradeoff is memcopy vs. SDIO
	bus messages. If using regular pages (4/8K) implement page reuse
	depending on reclaim.

* Tx - 	Scatter/Gather
	need to measure how much it really improves the performance

* config.free_dtu_mem

* Documentation

Shared
======
* Consider replacing void *reclaim_info with u8 reclaim_info[0]
