Getting a 'no-ack' tx status?

Ben Greear greearb at
Sat Feb 28 09:52:48 PST 2015

I think I managed to hack the CT firmware to return the
tx-completion status (OK, XRETRY, DROP) when it is returning the
tx-rate info, and patched the driver to pay attention to it...

A brief test showed some failed-retry counters reported by
the mac80211 stack, so that looks promising.

Will do some more testing when I get a chance.


On 02/27/2015 03:26 PM, Ben Greear 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?
> Thanks,
> Ben

Ben Greear <greearb at>
Candela Technologies Inc

More information about the ath10k mailing list