> cfg80211 lacks a command for request new scans, so that could
> also be an area that would benefit of improvements if the
> current SIOCSIWSCAN WE ioctl does not provide all the
> functionality needed for this (though, it may be more because
> of SIOCSIWSCAN handler in mac80211 lacking support for many of
> the options).
If cfg80211 get's a scan command, it should probably get more
than one command:
* command "do scan" with lot's of options, e.g. band, channels,
ESSID, active/passive
* a notification from mac80211->userspace "scan completed"
* command "get current scan list"
- this command should not return the equivalent of -EAGAIN
- always return the whole list, even if one process asked
a "do scan" with ESSID "MUH" and another process asked
a "do scan" with ESSID "BLAH" one second later
- filtering/sorting should be done in user-space
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