All of lore.kernel.org
 help / color / mirror / Atom feed
From: Peter Oh <peter.oh@eero.com>
To: Karthikeyan periyasamy <periyasa@codeaurora.org>
Cc: ath11k@lists.infradead.org, linux-wireless@vger.kernel.org
Subject: Re: [PATCH] ath11k: Update tx descriptor search index properly
Date: Wed, 3 Feb 2021 19:37:35 -0800	[thread overview]
Message-ID: <ea3fb227-8324-dd73-f400-b6e591bc91df@eero.com> (raw)
In-Reply-To: <7e3bae2db30d90963f96bb9be82951f0@codeaurora.org>


On 2/3/21 7:17 PM, Karthikeyan periyasamy wrote:
> On 2021-02-04 08:38, Peter Oh wrote:
>> On 2/3/21 5:08 PM, Karthikeyan periyasamy wrote:
>>> On 2021-02-04 00:59, Peter Oh wrote:
>>>> On 1/26/21 6:46 PM, Karthikeyan periyasamy wrote:
>>>>> On 2020-12-19 00:53, Peter Oh wrote:
>>>>>> On 12/18/20 7:24 AM, Karthikeyan Periyasamy wrote:
>>>>>>> Tx descriptor search index field should be updated with hw peer id
>>>>>>> and not by AST Hash. Incorrect search index causes throughput 
>>>>>>> degradation
>>>>>>> in all the platforms. so updated the search index field with hw 
>>>>>>> peer id,
>>>>>>> which is a common change applicable for all the platforms.
>>>>>>>
>>>>>>> Tested-on: IPQ8074 hw2.0 AHB 
>>>>>>> WLAN.HK.2.4.0.1-01492-QCAHKSWPL_SILICONZ-1
>>>>>>>
>>>>>>> diff --git a/drivers/net/wireless/ath/ath11k/peer.c 
>>>>>>> b/drivers/net/wireless/ath/ath11k/peer.c
>>>>>>> index b69e7eb..f49abefa 100644
>>>>>>> --- a/drivers/net/wireless/ath/ath11k/peer.c
>>>>>>> +++ b/drivers/net/wireless/ath/ath11k/peer.c
>>>>>>>
>>>>>>> @@ -309,7 +310,11 @@ int ath11k_peer_create(struct ath11k *ar, 
>>>>>>> struct ath11k_vif *arvif,
>>>>>>>         peer->pdev_idx = ar->pdev_idx;
>>>>>>>       peer->sta = sta;
>>>>>>> -    arvif->ast_hash = peer->ast_hash;
>>>>>>> +
>>>>>>> +    if (arvif->vif->type == NL80211_IFTYPE_STATION) {
>>>>>>> +        arvif->ast_hash = peer->ast_hash;
>>>>>>> +        arvif->ast_idx = peer->hw_peer_id;
>>>>>>> +    }
>>>>>>
>>>>>> How about non STATION type?
>>>>>>
>>>>>
>>>>> no need of configuring the ast_idx, ast_hash field for non station 
>>>>> type. Its recommended by HW/FW team.
>>>>>
>>>> Can you add this comment in commit message?
>>>>
>>>
>>> sure
>>>
>>>> Also could you include the answer to "what conditions you observed the
>>>> throughput degradation?" in commit message too?
>>>
>>> In all the scenario will see degradation. Its a general improvement.
>>>
>> It sounds good and it will better if you share the number before and
>> after the patch.
>
> I have seen 10% increase in WDS scenario.
>
> Thanks,
> Karthikeyan P

Thank you for the sharing.

BTW, all such information should go to commit message.

Peter


WARNING: multiple messages have this Message-ID
From: Peter Oh <peter.oh@eero.com>
To: Karthikeyan periyasamy <periyasa@codeaurora.org>
Cc: linux-wireless@vger.kernel.org, ath11k@lists.infradead.org
Subject: Re: [PATCH] ath11k: Update tx descriptor search index properly
Date: Wed, 3 Feb 2021 19:37:35 -0800	[thread overview]
Message-ID: <ea3fb227-8324-dd73-f400-b6e591bc91df@eero.com> (raw)
In-Reply-To: <7e3bae2db30d90963f96bb9be82951f0@codeaurora.org>


On 2/3/21 7:17 PM, Karthikeyan periyasamy wrote:
> On 2021-02-04 08:38, Peter Oh wrote:
>> On 2/3/21 5:08 PM, Karthikeyan periyasamy wrote:
>>> On 2021-02-04 00:59, Peter Oh wrote:
>>>> On 1/26/21 6:46 PM, Karthikeyan periyasamy wrote:
>>>>> On 2020-12-19 00:53, Peter Oh wrote:
>>>>>> On 12/18/20 7:24 AM, Karthikeyan Periyasamy wrote:
>>>>>>> Tx descriptor search index field should be updated with hw peer id
>>>>>>> and not by AST Hash. Incorrect search index causes throughput 
>>>>>>> degradation
>>>>>>> in all the platforms. so updated the search index field with hw 
>>>>>>> peer id,
>>>>>>> which is a common change applicable for all the platforms.
>>>>>>>
>>>>>>> Tested-on: IPQ8074 hw2.0 AHB 
>>>>>>> WLAN.HK.2.4.0.1-01492-QCAHKSWPL_SILICONZ-1
>>>>>>>
>>>>>>> diff --git a/drivers/net/wireless/ath/ath11k/peer.c 
>>>>>>> b/drivers/net/wireless/ath/ath11k/peer.c
>>>>>>> index b69e7eb..f49abefa 100644
>>>>>>> --- a/drivers/net/wireless/ath/ath11k/peer.c
>>>>>>> +++ b/drivers/net/wireless/ath/ath11k/peer.c
>>>>>>>
>>>>>>> @@ -309,7 +310,11 @@ int ath11k_peer_create(struct ath11k *ar, 
>>>>>>> struct ath11k_vif *arvif,
>>>>>>>         peer->pdev_idx = ar->pdev_idx;
>>>>>>>       peer->sta = sta;
>>>>>>> -    arvif->ast_hash = peer->ast_hash;
>>>>>>> +
>>>>>>> +    if (arvif->vif->type == NL80211_IFTYPE_STATION) {
>>>>>>> +        arvif->ast_hash = peer->ast_hash;
>>>>>>> +        arvif->ast_idx = peer->hw_peer_id;
>>>>>>> +    }
>>>>>>
>>>>>> How about non STATION type?
>>>>>>
>>>>>
>>>>> no need of configuring the ast_idx, ast_hash field for non station 
>>>>> type. Its recommended by HW/FW team.
>>>>>
>>>> Can you add this comment in commit message?
>>>>
>>>
>>> sure
>>>
>>>> Also could you include the answer to "what conditions you observed the
>>>> throughput degradation?" in commit message too?
>>>
>>> In all the scenario will see degradation. Its a general improvement.
>>>
>> It sounds good and it will better if you share the number before and
>> after the patch.
>
> I have seen 10% increase in WDS scenario.
>
> Thanks,
> Karthikeyan P

Thank you for the sharing.

BTW, all such information should go to commit message.

Peter


-- 
ath11k mailing list
ath11k@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/ath11k

  reply	other threads:[~2021-02-04  3:38 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-18 15:24 Karthikeyan Periyasamy
2020-12-18 15:24 ` Karthikeyan Periyasamy
2020-12-18 19:23 ` Peter Oh
2020-12-18 19:23   ` Peter Oh
2021-01-27  2:46   ` Karthikeyan periyasamy
2021-01-27  2:46     ` Karthikeyan periyasamy
2021-02-03 19:29     ` Peter Oh
2021-02-03 19:29       ` Peter Oh
2021-02-04  1:08       ` Karthikeyan periyasamy
2021-02-04  1:08         ` Karthikeyan periyasamy
2021-02-04  3:08         ` Peter Oh
2021-02-04  3:08           ` Peter Oh
2021-02-04  3:17           ` Karthikeyan periyasamy
2021-02-04  3:17             ` Karthikeyan periyasamy
2021-02-04  3:37             ` Peter Oh [this message]
2021-02-04  3:37               ` Peter Oh
2021-02-04  3:40               ` Karthikeyan periyasamy
2021-02-04  3:40                 ` Karthikeyan periyasamy
2020-12-18 19:41 ` Peter Oh
2020-12-18 19:41   ` Peter Oh
2021-01-26 15:59 ` Kalle Valo
2021-01-26 15:59 ` Kalle Valo

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=ea3fb227-8324-dd73-f400-b6e591bc91df@eero.com \
    --to=peter.oh@eero.com \
    --cc=ath11k@lists.infradead.org \
    --cc=linux-wireless@vger.kernel.org \
    --cc=periyasa@codeaurora.org \
    --subject='Re: [PATCH] ath11k: Update tx descriptor search index properly' \
    /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

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.