From: Yibo Zhao <yiboz@codeaurora.org>
To: "Toke Høiland-Jørgensen" <toke@redhat.com>
Cc: Johannes Berg <johannes@sipsolutions.net>,
ath10k@lists.infradead.org, linux-wireless@vger.kernel.org,
linux-wireless-owner@vger.kernel.org
Subject: Re: [PATCH 3/4] mac80211: fix low throughput in push pull mode
Date: Wed, 18 Sep 2019 18:18:56 +0800 [thread overview]
Message-ID: <4780268b967c128a42396c39d697e67e@codeaurora.org> (raw)
In-Reply-To: <871rwdj4ez.fsf@toke.dk>
On 2019-09-18 18:16, Toke Høiland-Jørgensen wrote:
> Yibo Zhao <yiboz@codeaurora.org> writes:
>
>> On 2019-09-18 05:12, Toke Høiland-Jørgensen wrote:
>>> Yibo Zhao <yiboz@codeaurora.org> 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@codeaurora.org>
>>>>>
>>>>> 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@toke.dk>
>>>> Signed-off-by: Yibo Zhao <yiboz@codeaurora.org>
>>>> Signed-off-by: Toke Høiland-Jørgensen <toke@toke.dk>
>>>>
>>>> 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
>> Sorry, I think I have missed checking your reply, please ignore the
>> wrong signed-off in PATCH-V2.
>
> While you're re-spinning, could you please add a changelog for the
> changes you make? Makes it easier to keep track :)
>
> You can add a cover-letter with a full changelog instead of having a
> separate changelog for each patch; that's what I usually do...
>
> -Toke
Sure, thanks.
--
Yibo
next prev parent reply other threads:[~2019-09-18 10:19 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-16 13:09 [PATCH 1/4] mac80211: Switch to a virtual time-based airtime scheduler Yibo Zhao
2019-09-16 13:09 ` [PATCH 2/4] mac80211: defer txqs removal from rbtree Yibo Zhao
2019-09-17 21:10 ` Toke Høiland-Jørgensen
2019-09-18 10:27 ` Yibo Zhao
2019-09-18 11:23 ` Toke Høiland-Jørgensen
2019-09-19 9:56 ` Yibo Zhao
2019-09-19 10:37 ` Toke Høiland-Jørgensen
2019-09-20 8:29 ` Yibo Zhao
2019-09-20 9:15 ` Toke Høiland-Jørgensen
2019-09-21 10:49 ` Yibo Zhao
2019-09-21 11:27 ` Toke Høiland-Jørgensen
2019-09-21 11:53 ` Yibo Zhao
2019-09-21 12:22 ` Yibo Zhao
2019-09-21 13:02 ` Toke Høiland-Jørgensen
2019-09-21 13:24 ` Yibo Zhao
2019-09-21 14:00 ` Toke Høiland-Jørgensen
2019-09-22 5:19 ` Yibo Zhao
2019-09-23 10:47 ` Toke Høiland-Jørgensen
2019-09-23 11:42 ` Kalle Valo
2019-09-23 16:39 ` Toke Høiland-Jørgensen
2019-09-24 5:27 ` Kalle Valo
2019-09-24 7:23 ` Toke Høiland-Jørgensen
2019-09-24 2:45 ` Yibo Zhao
2019-09-24 7:26 ` Toke Høiland-Jørgensen
2019-09-24 8:31 ` Yibo Zhao
2019-09-24 8:44 ` Toke Høiland-Jørgensen
2019-09-16 13:09 ` [PATCH 3/4] mac80211: fix low throughput in push pull mode Yibo Zhao
2019-09-16 15:27 ` Johannes Berg
2019-09-17 6:36 ` Yibo Zhao
2019-09-17 6:55 ` Johannes Berg
2019-09-17 21:12 ` Toke Høiland-Jørgensen
2019-09-18 10:02 ` Yibo Zhao
2019-09-18 10:16 ` Toke Høiland-Jørgensen
2019-09-18 10:18 ` Yibo Zhao [this message]
2019-09-16 13:09 ` [PATCH 4/4] mac80211: Sync airtime weight sum with per AC synced sta airtime weight together Yibo Zhao
2019-09-17 21:24 ` Toke Høiland-Jørgensen
2019-09-18 10:16 ` Yibo Zhao
2019-09-16 14:51 ` [PATCH 1/4] mac80211: Switch to a virtual time-based airtime scheduler Toke Høiland-Jørgensen
2019-09-17 21:31 ` Toke Høiland-Jørgensen
2019-09-20 8:37 ` Yibo Zhao
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4780268b967c128a42396c39d697e67e@codeaurora.org \
--to=yiboz@codeaurora.org \
--cc=ath10k@lists.infradead.org \
--cc=johannes@sipsolutions.net \
--cc=linux-wireless-owner@vger.kernel.org \
--cc=linux-wireless@vger.kernel.org \
--cc=toke@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).