ath10k tx to a Macbook Pro stalls

[Andy Lutomirski]

On Tue, Jul 29, 2014 at 11:15 PM, Michal Kazior <michal.kazior at tieto.com> wrote:
> 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  The docs seem out of date here.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?
>

Here's the whole file, with the obvious redactions:

driver=nl80211
logger_syslog=127
logger_syslog_level=2
logger_stdout=127
logger_stdout_level=2
hw_mode=a
channel=149

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-PATTERN][RX-STBC1][MAX-MPDU-11454][MAX-A-MPDU-LEN-EXP7]

interface=wlan0
ctrl_interface=/var/run/hostapd
disassoc_low_ack=1
preamble=1
wmm_enabled=1
ignore_broadcast_ssid=0
wpa_passphrase=PASSPHRASE
auth_algs=1
wpa=2
wpa_pairwise=CCMP
ssid=Aether Wind
bridge=br-lan
okc=0
disable_pmksa_caching=1
macaddr_acl=0
deny_mac_file=/var/run/hostapd-wlan0.maclist
bssid=BSSID

--Andy