On Fri, 2008-09-19 at 11:46 +0200, Mattias Nissler wrote:

This brings up the question whether we can do without tx status
reporting. Does anyone know why hostapd requires the tx status? As far
as I understand, mac80211 only uses the tx status reporting only for the
tx rate control. Rate control algos that don't use tx status are
definitely feasible (and in fact we'll need one for rt73).

mac80211 also uses it for reporting the sent frame to userspace on
monitor interfaces.

I'll look into hostapd to figure out whether the tx status reporting is
really required when I find some time.

hostapd requires this because it needs to know whether a station
acknowledged a frame or not to proceed its state machine, it's just how
it has to work. If the hardware can't deal with that I guess you can't
implement AP mode properly.

johannes