[ipw2200-ap-devel] Intel: firmware support for power management?

[rick f <ri...@ho...>]

Hello, is there currently support in the firmware for supporting power 
management?  Specifically:

1. How can the beacon be modified on-the-fly to support broadcasting a 
(D)TIM element?  I tried sending a new beacon template to the firmware but 
it seems to be ignored once the firmware is up and running.
2. Once a STA has requested pending frames via PS-Poll, what is the Tx 
mechanism for sending the frames?  I see that there appears to be a separate 
Tx queue for DTIM; how is this used?
3. What is the meaning of the interrupt status bit 'CX2_INTA_BIT_TX_DTIM'?

I have already coded the support required in the driver:
- queuing frames for 'sleeping' STAs
- transmission of queued frames in response to PS-Poll

However, without support from the firmware, I am unable to complete the 
power management implementation.
Thank you for your excellent work so far; I'm looking forward to completing 
this important missing piece in the AP code.

Thanks,
Rick

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