Re: [PATCH 2/2] mac80211: Add transmit power control support (TPC) for ACK packets

[Christian Lamparter <chunkeey@xxxxxxxxxxxxxx>]

On Friday 27 July 2012 18:00:09 Thomas Huehn wrote:
> This patch adds support to annotate and change the power-level of ACK
> packets. To map hardware specific ack power capabilities to mac80211
> one new hw flag is defined:
> 
> @IEEE80211_HW_SUPPORTS_TPC_ACK_GLOBAL:
> 	Power level of ack packets is adjustable and processed in a
> 	global manner, per hw rather than per ack packet or link.
> 
> The struct hw_config is extended by ack_power a global power level in
> dBm to be used for all acknowledgement_packets. A new config change
> event IEEE80211_CONF_CHANGE_ACK_POWER is defined to reacte with driver
> specific function calls to ack_power changes from the mac80211.

I know this is kind of an odd. But as carl9170 has TPC settings
for BlockACK, CF-End and QoS-Null frames, it wouldn't be possible
to extend "ACK" to "response".

NB: The HW has also TPC control registers for ERP(RTS/CTS)
but that's sort of a different issue.

Regards,
	Chr
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