From: Jacob Keller <jacob.e.keller@intel.com>
To: Lorenzo Bianconi <lorenzo@kernel.org>
Cc: Felix Fietkau <nbd@nbd.name>, Sean Wang <sean.wang@mediatek.com>,
Mark Lee <Mark-MC.Lee@mediatek.com>,
"David S. Miller" <davem@davemloft.net>,
"Eric Dumazet" <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
<linux-arm-kernel@lists.infradead.org>,
<linux-mediatek@lists.infradead.org>, <netdev@vger.kernel.org>
Subject: Re: [PATCH net-next] net: airoha: Fix EGRESS_RATE_METER_EN_MASK definition
Date: Tue, 8 Oct 2024 09:46:25 -0700 [thread overview]
Message-ID: <265323f0-816c-4ef8-aadb-e54c802fde14@intel.com> (raw)
In-Reply-To: <ZwET7MzCGVoDjIqt@lore-desk>
On 10/5/2024 3:24 AM, Lorenzo Bianconi wrote:
>>
>>
>> On 10/4/2024 2:51 PM, Lorenzo Bianconi wrote:
>>> Fix typo in EGRESS_RATE_METER_EN_MASK mask definition. This bus was not
>>> introducing any user visible problem.
>>>
>>
>> I'm not sure I follow. This bit is used by airoha_qdma_init_qos which
>> sets the REG_EGRESS_RATE_METER_CFG register?
>>
>> How does this not provide any user visible issues? It seems like an
>> incorrect enable bit likely means that QOS is not enabled? I'm guessing
>> bit 29 is reserved?
>
> Hi Jacob,
>
> even if we are setting EGRESS_RATE_METER_EN_MASK bit (with a wrong value) in
> REG_EGRESS_RATE_METER_CFG register, egress QoS metering will not be supported
> yet since we are missing some other configuration (token bucket rate, token
> bucket size. Airoha folks please correct me if I am wrong). This is why I do
> not think it is important to backport this patch and I did not added any Fixes
> tag.
> QoS hw ingress/egress metering is in my ToDo list. Here I have ported the basic
> qos configuration I found in the vendor sdk. I will add more info in the commit
> log in v2. Sorry for the confusion.
>
> Regards,
> Lorenzo
Thanks for explaining.
prev parent reply other threads:[~2024-10-08 16:46 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-04 21:51 [PATCH net-next] net: airoha: Fix EGRESS_RATE_METER_EN_MASK definition Lorenzo Bianconi
2024-10-04 22:49 ` Jacob Keller
2024-10-05 10:24 ` Lorenzo Bianconi
2024-10-08 16:46 ` Jacob Keller [this message]
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