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Re: [PATCH 3/4] mac80211: fix low throughput in push pull mode

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Yibo Zhao <yiboz@xxxxxxxxxxxxxx> writes:

> On 2019-09-16 23:27, Johannes Berg wrote:
>> Without really looking at the code -
>> 
>>> If station is ineligible for transmission in 
>>> ieee80211_txq_may_transmit(),
>>> no packet will be delivered to FW. During the tests in push-pull mode 
>>> with
>>> many clients, after several seconds, not a single station is an 
>>> eligible
>>> candidate for transmission since global time is smaller than all the
>>> station's virtual airtime. As a consequence, the Tx has been blocked 
>>> and
>>> throughput is quite low.
>> 
>> You should rewrite this to be, erm, a bit more understandable in
>> mac80211 context. I assume you're speaking (mostly?) about ath10k, but 
>> I
>> have very little context there. "push pull mode"? "firmware"? These
>> things are not something mac80211 knows about.
> Hi Johannes,
>
> Thanks for your kindly reminder. Will rewrite the commit log.
>
>> 
>>> Co-developed-by: Yibo Zhao <yiboz@xxxxxxxxxxxxxx>
>> 
>> That also seems wrong, should be Toke I guess, unless you intended for 
>> a
>> From: Toke to be present?
> Do you mean it should be something like:
>
> Co-developed-by: Toke Høiland-Jørgensen <toke@xxxxxxx>
> Signed-off-by: Yibo Zhao <yiboz@xxxxxxxxxxxxxx>
> Signed-off-by: Toke Høiland-Jørgensen <toke@xxxxxxx>
>
> Am I understanding right?

I think the right thing here, as with the previous patch, is to just
drop my sign-off; you're writing this patch, and I'll add ack/reviews as
appropriate. And in that case, well, no need to have co-developed-by
yourself when your name is on the patch as author :)

-Toke





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