Getting a 'no-ack' tx status?

Michal Kazior michal.kazior at
Mon Mar 2 00:45:49 PST 2015

On 28 February 2015 at 00:26, Ben Greear <greearb at> wrote:
> Someone reported to me that they never see the
> tx_done->no_ack flag set on their AP, even when stations are falling
> off the network due to not receiving ACKs.
>         if (tx_done->no_ack)
>                 info->flags &= ~IEEE80211_TX_STAT_ACK;
> I am having no luck finding the corresponding code in the 10.1.467
> firmware that would cause this to work, but maybe I am just not looking
> in the right place.
> Has anyone done any testing to see if ath10k actually reports ACK failures
> properly back up the stack?

IIRC 10.1 firmware had a missing condition for that so it reported all
frames as ACKed even if that wasn't the case.

I believe this has been fixed in 10.2.


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