WMM not working for mcast packets on ath10k

Sebastian Gottschall s.gottschall at dd-wrt.com
Tue Aug 11 08:14:55 EDT 2020

Am 11.08.2020 um 01:05 schrieb Ben Greear:

> On 8/10/20 3:08 PM, Ahmed Zaki wrote:
>> Hello,
>> I have 2 ath10k devices set in Mesh Point mode. When I use iptables'
>> DSCP target to set the WMM AC for some traffic ports to VO, the rules
>> work fine but only for unicast packets. All broadcast on the target
>> UDP ports goes out as BE, and not VO.
>> With some ath10k debugging enabled, it seems that the htt is indeed
>> sending the tx descriptor with the correct tid (6) set.
>> Is this the intended behavior for some reason? If not, is there any
>> more debugging on the TX path that I can do?
> I don't think that WMM makes sense for bcast frames since they go out on
> a special TID that does not do aggregation or per peer QoS settings.
and in addition broadcast frames are transmitted with legacy rates (2 
mbit by default, but can be changed)
> Thanks,
> Ben

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