Hi Emmanuel,
>
> The default number of retries is 16. The reason you have odd numbers
> is because we don't report this properly. The big problem is about
> AMPDU mainly - the frames are picked up by the HW and retransmissions
> are handled by the FW / HW. While we know how many packets failed vs.
> how many were sent (for rate control purposes), we can't know exactly
> what frame we retransmitted and how many times (well... we can - but
> it is not trivial). Since the the only way to tell mac80211 / cfg80211
> / iw is per-packet (in ieee80211_tx_status in each Tx status for each
> packet), the information there is not accurate.
>
> I want to hope that if you disabled AMPDU (Tx) you'll get more
> accurate results - I haven't tested myself though.
Does this mean that if AMPDU is disabled, the retransmissions will be either handled in software, or the hardware will report retransmissions more accurately?
How should I disable AMPDU?
Daniel
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