From: Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com>
To: Michal Kazior <michal.kazior@tieto.com>,
Sujith Manoharan <sujith@msujith.org>
Cc: linux-wireless <linux-wireless@vger.kernel.org>,
"ath10k@lists.infradead.org" <ath10k@lists.infradead.org>
Subject: Re: [PATCH] ath10k: Make HTT fill size configurable
Date: Wed, 7 Jan 2015 16:23:47 +0530 [thread overview]
Message-ID: <54AD103B.40002@qti.qualcomm.com> (raw)
In-Reply-To: <CA+BoTQ=HqF0vBj4chXfoY9GKcFBP8Xh37HXo5etDDZ1XCg6O4w@mail.gmail.com>
On Wednesday 07 January 2015 03:44 PM, Michal Kazior wrote:
> On 5 January 2015 at 05:39, Sujith Manoharan <sujith@msujith.org> wrote:
>> From: Sujith Manoharan <c_manoha@qca.qualcomm.com>
>>
>> The HTT RX ring is replenished with a maximum of 16 buffers,
>> but this might be insufficient when RX traffic is high.
>> Not having enough RX buffers throttles the FW, resulting
>> in low throughput.
>>
>> This patch adds a module parameter to adjust the fill size
>> based on the platform/usage.
>
> I don't think this should be adjustable.
Default value of 16 causes rx ring corruption within 1 hour of stress
testing. Increasing this limit to 1000 solves the issue, not sure what
max value in > 16 and <= 1000 works. This lower value obviously has issues
on some platforms.
Vasanth
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WARNING: multiple messages have this Message-ID (diff)
From: Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com>
To: Michal Kazior <michal.kazior@tieto.com>,
Sujith Manoharan <sujith@msujith.org>
Cc: "ath10k@lists.infradead.org" <ath10k@lists.infradead.org>,
linux-wireless <linux-wireless@vger.kernel.org>
Subject: Re: [PATCH] ath10k: Make HTT fill size configurable
Date: Wed, 7 Jan 2015 16:23:47 +0530 [thread overview]
Message-ID: <54AD103B.40002@qti.qualcomm.com> (raw)
In-Reply-To: <CA+BoTQ=HqF0vBj4chXfoY9GKcFBP8Xh37HXo5etDDZ1XCg6O4w@mail.gmail.com>
On Wednesday 07 January 2015 03:44 PM, Michal Kazior wrote:
> On 5 January 2015 at 05:39, Sujith Manoharan <sujith@msujith.org> wrote:
>> From: Sujith Manoharan <c_manoha@qca.qualcomm.com>
>>
>> The HTT RX ring is replenished with a maximum of 16 buffers,
>> but this might be insufficient when RX traffic is high.
>> Not having enough RX buffers throttles the FW, resulting
>> in low throughput.
>>
>> This patch adds a module parameter to adjust the fill size
>> based on the platform/usage.
>
> I don't think this should be adjustable.
Default value of 16 causes rx ring corruption within 1 hour of stress
testing. Increasing this limit to 1000 solves the issue, not sure what
max value in > 16 and <= 1000 works. This lower value obviously has issues
on some platforms.
Vasanth
next prev parent reply other threads:[~2015-01-07 10:57 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-05 4:39 [PATCH] ath10k: Make HTT fill size configurable Sujith Manoharan
2015-01-05 4:39 ` Sujith Manoharan
2015-01-07 10:14 ` Michal Kazior
2015-01-07 10:14 ` Michal Kazior
2015-01-07 10:37 ` Sujith Manoharan
2015-01-07 10:37 ` Sujith Manoharan
2015-01-13 14:44 ` Kalle Valo
2015-01-13 14:44 ` Kalle Valo
2015-01-13 20:56 ` Sujith Manoharan
2015-01-13 20:56 ` Sujith Manoharan
2015-01-07 10:53 ` Vasanthakumar Thiagarajan [this message]
2015-01-07 10:53 ` Vasanthakumar Thiagarajan
2015-01-13 14:48 ` Kalle Valo
2015-01-13 14:48 ` Kalle Valo
2015-01-13 15:03 ` Kalle Valo
2015-01-13 15:03 ` Kalle Valo
2015-01-13 21:08 ` Sujith Manoharan
2015-01-13 21:08 ` Sujith Manoharan
2015-01-14 9:22 ` Michal Kazior
2015-01-14 9:22 ` Michal Kazior
2015-01-14 9:50 ` Sujith Manoharan
2015-01-14 9:50 ` Sujith Manoharan
2015-01-14 10:12 ` Michal Kazior
2015-01-14 10:12 ` Michal Kazior
2015-01-15 0:17 ` Sujith Manoharan
2015-01-15 0:17 ` Sujith Manoharan
2015-01-15 7:19 ` Kalle Valo
2015-01-15 7:19 ` Kalle Valo
2015-01-15 7:38 ` Kalle Valo
2015-01-15 7:38 ` Kalle Valo
2015-01-15 7:50 ` Sujith Manoharan
2015-01-15 7:50 ` Sujith Manoharan
2015-01-15 8:09 ` Kalle Valo
2015-01-15 8:09 ` Kalle Valo
2015-01-15 8:16 ` Sujith Manoharan
2015-01-15 8:16 ` Sujith Manoharan
2015-01-15 8:21 ` Sujith Manoharan
2015-01-15 8:21 ` Sujith Manoharan
2015-01-15 8:35 ` Kalle Valo
2015-01-15 8:35 ` Kalle Valo
2015-01-15 8:47 ` Sujith Manoharan
2015-01-15 8:47 ` Sujith Manoharan
2015-01-15 8:32 ` Kalle Valo
2015-01-15 8:32 ` Kalle Valo
2015-01-15 8:43 ` Sujith Manoharan
2015-01-15 8:43 ` Sujith Manoharan
2015-01-15 23:03 ` Julian Calaby
2015-01-15 23:03 ` Julian Calaby
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