Re: RFC Patch v2: Add signal strength to nl80211station info

[Henning Rogge <rogge@fgan.de>]

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Am Friday 05 December 2008 10:45:10 schrieb Johannes Berg:
> > Ath9k has it's ***_ratetable which contains a line of data for each
> > transmission range. 20/40Mhz and guard interval is already contained in
> > this table (encoded in "phy" variable). Just the MCS number is missing.
>
> Well, yes, but it's not done uniformly across drivers.
>
> > And I think the intel driver has the necessary data too. If I understand
> > the iwl5000 driver, it pushes the rate index (even for 802.11n) through
> > ieee80211_rx_status into mac80211.
>
> Sort of, yes, but again, in a much different way. We really have to
> rename struct ieee80211_tx_rate to struct ieee80211_txrx_rate and embed
> it into struct ieee80211_rx_status for doing this properly.
How many 802.11n capable drivers exist in mac80211 at the moment ?

Henning

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