ath10k tx to a Macbook Pro stalls

[Michal Kazior]

On 29 July 2014 19:52, Andy Lutomirski <luto at amacapital.net> wrote:
> On Mon, Jul 28, 2014 at 11:26 PM, Michal Kazior <michal.kazior at tieto.com> wrote:
>> On 22 July 2014 06:12, Andy Lutomirski <luto at amacapital.net> wrote:
>>> On Mon, Jul 21, 2014 at 11:31 AM, Kalle Valo <kvalo at qca.qualcomm.com> wrote:
>>>> Andy Lutomirski <luto at amacapital.net> writes:
[...]
>>> Does this mean that the MBP is failing to notice TIM entries, or that
>>> ath10k somehow stops buffering packets to power-saving stations?
>>
>> Do you have u-APSD enabled in your OpenWRT configuration by any chance?
>
> How do I tell?  The docs seem out of date here.  I have:
>
> config wifi-device 'radio0'
>     option type 'mac80211'
>     option hwmode '11a'
>     option path 'pci0000:01/0000:01:00.0'
>     option htmode 'VHT80'
>     #option htmode 'HT40'
>     option disabled '0'
>     option channel '149'
>
> The relevant part (I think) of /var/run/hostapd.conf is:
>
> ieee80211n=1
> ht_capab=[HT40+][LDPC][SHORT-GI-20][SHORT-GI-40][TX-STBC][RX-STBC1][DSSS_CCK-40
> ]
> vht_oper_chwidth=1
> vht_oper_centr_freq_seg0_idx=155
> ieee80211ac=1
> vht_capab=[RXLDPC][SHORT-GI-80][TX-STBC-2BY1][RX-ANTENNA-PATTERN][TX-ANTENNA-PA
> TTERN][RX-STBC1][MAX-MPDU-11454][MAX-A-MPDU-LEN-EXP7]

Do you have `uapsd_advertisement_enabled=1` set in /var/run/hostapd.conf?


Michał