[ath9k-devel] Linksys WPC300N Wireless-N Notebook Adapter

[Johannes Berg <johannes@sipsolutions.net>]

On Mon, 2009-05-18 at 10:33 -0700, Luis R. Rodriguez wrote:

> defined properly. If there is some enhancement to this reporting which
> you can think of please feel free to address this on linux-wireless
> with your recommendation. The next best thing we have to report
> signal would be through using the RCPI concept [1], but note that it
> specifically defines it as "the received RF power in the channel measured
> over the entire received frame or by other equivalent means which meet the
> specified accuracy". The last part is a little vague, that of
> "or by other equivalent means which meet the specified accuracy" and
> its questionable whether or not all devices support this. Anyway
> this could just be used by userspace and nl80211 should not have to know
> about this except maybe whether or not the device claims to support
> this accuracy terminology, I am also not sure what the status of 802.11k
> is which the group working on this, so it may be premature to just add
> it to nl80211/cfg80211.

I think that's a red herring -- dBm display should be good enough or
better than rcpi?

> Patches are welcomed to add tx power displaying, not sure why we didn't
> add that.

I don't think TX power is per station? We currently display max tx power
per channel -- which is also what we use if iwconfig (wext) is set to
auto and we don't have 11h info. But I'm not sure in what form we should
display this since it changes per channel etc.

johannes

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