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Re: [RFC 1/2] nl80211: specify RSSI threshold when scanning

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On 06/07/2012 06:50 PM, Dan Williams wrote:
> On Wed, 2012-06-06 at 19:43 -0700, Thomas Pedersen wrote:
>> Support configuring an RSSI threshold in dBm (s32) when scanning,
>> below which a BSS won't be reported by the cfg80211 driver.
> 
> What's the point of this?  Shouldn't the driver report all available
> APs, even if the signal is small, and then userspace (or whatever is
> handling scan results) just ignores ones it doesn't care about?

When you do this on the firmware you can reduce host wakeups and hence
save power.

Kalle
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