From: <Parthiban.Veerasooran@microchip.com>
To: <andrew@lunn.ch>
Cc: <davem@davemloft.net>, <edumazet@google.com>, <kuba@kernel.org>,
<pabeni@redhat.com>, <horms@kernel.org>, <saeedm@nvidia.com>,
<anthony.l.nguyen@intel.com>, <netdev@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <corbet@lwn.net>,
<linux-doc@vger.kernel.org>, <robh+dt@kernel.org>,
<krzysztof.kozlowski+dt@linaro.org>, <conor+dt@kernel.org>,
<devicetree@vger.kernel.org>, <Horatiu.Vultur@microchip.com>,
<ruanjinjie@huawei.com>, <Steen.Hegelund@microchip.com>,
<vladimir.oltean@nxp.com>, <UNGLinuxDriver@microchip.com>,
<Thorsten.Kummermehr@microchip.com>, <Pier.Beruto@onsemi.com>,
<Selvamani.Rajagopal@onsemi.com>, <Nicolas.Ferre@microchip.com>,
<benjamin.bigler@bernformulastudent.ch>
Subject: Re: [PATCH net-next v4 00/12] Add support for OPEN Alliance 10BASE-T1x MACPHY Serial Interface
Date: Fri, 10 May 2024 11:22:15 +0000 [thread overview]
Message-ID: <b941aefd-dbc5-48ea-b9f4-30611354384d@microchip.com> (raw)
In-Reply-To: <44cd0dc2-4b37-4e2f-be47-85f4c0e9f69c@lunn.ch>
Hi Andrew,
On 10/05/24 2:09 am, Andrew Lunn wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>
> On Thu, May 09, 2024 at 01:04:52PM +0000, Parthiban.Veerasooran@microchip.com wrote:
>> Hi Andrew,
>>
>> On 08/05/24 10:34 pm, Andrew Lunn wrote:
>>> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>>>
>>>> Yes. I tried this test. It works as expected.
>>>
>>>> Each LAN8651 received approximately 3Mbps with lot of "Receive buffer
>>>> overflow error". I think it is expected as the single SPI master has to
>>>> serve both LAN8651 at the same time and both LAN8651 will be receiving
>>>> 10Mbps on each.
>>>
>>> Thanks for testing this.
>>>
>>> This also shows the "Receive buffer overflow error" needs to go away.
>>> Either we don't care at all, and should not enable the interrupt, or
>>> we do care and should increment a counter.
>> Thanks for your comments. I think, I would go for your 2nd proposal
>> because having "Receive buffer overflow error" enabled will indicate the
>> cause of the poor performance.
>>
>> Already we have,
>> tc6->netdev->stats.rx_dropped++;
>> to increment the rx dropped counter in case of receive buffer overflow.
>>
>> May be we can remove the print,
>> net_err_ratelimited("%s: Receive buffer overflow error\n",
>> tc6->netdev->name);
>> as it might lead to additional poor performance by adding some delay.
>>
>> Could you please provide your opinion on this?
>
> This is your code. Ideally you should decide. I will only add review
> comments if i think it is wrong. Any can decide between any correct
> option.
Sure, thanks for your advice. Let me stick with the above proposal until
I get any others opinion.
Best regards,
Parthiban V
>
> Andrew
>
next prev parent reply other threads:[~2024-05-10 11:22 UTC|newest]
Thread overview: 113+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-18 12:56 [PATCH net-next v4 00/12] Add support for OPEN Alliance 10BASE-T1x MACPHY Serial Interface Parthiban Veerasooran
2024-04-18 12:56 ` [PATCH net-next v4 01/12] Documentation: networking: add OPEN Alliance 10BASE-T1x MAC-PHY serial interface Parthiban Veerasooran
2024-04-28 9:33 ` Bagas Sanjaya
2024-04-29 11:31 ` Parthiban.Veerasooran
2024-04-29 16:17 ` Simon Horman
2024-04-30 11:30 ` Parthiban.Veerasooran
2024-04-18 12:56 ` [PATCH net-next v4 02/12] net: ethernet: oa_tc6: implement register write operation Parthiban Veerasooran
2024-04-22 23:48 ` Andrew Lunn
2024-04-23 4:38 ` Parthiban.Veerasooran
2024-04-23 23:14 ` Andrew Lunn
2024-04-26 5:55 ` Parthiban.Veerasooran
2024-04-29 16:36 ` Simon Horman
2024-04-30 8:14 ` Parthiban.Veerasooran
2024-04-18 12:56 ` [PATCH net-next v4 03/12] net: ethernet: oa_tc6: implement register read operation Parthiban Veerasooran
2024-04-23 23:17 ` Andrew Lunn
2024-04-26 5:56 ` Parthiban.Veerasooran
2024-04-18 12:56 ` [PATCH net-next v4 04/12] net: ethernet: oa_tc6: implement software reset Parthiban Veerasooran
2024-04-23 23:26 ` Andrew Lunn
2024-04-26 6:38 ` Parthiban.Veerasooran
2024-04-18 12:56 ` [PATCH net-next v4 05/12] net: ethernet: oa_tc6: implement error interrupts unmasking Parthiban Veerasooran
2024-04-23 23:27 ` Andrew Lunn
2024-04-27 19:52 ` Ramón Nordin Rodriguez
2024-04-27 21:17 ` Andrew Lunn
2024-04-27 21:55 ` Ramón Nordin Rodriguez
2024-04-28 14:48 ` Andrew Lunn
2024-04-28 9:54 ` Ramón Nordin Rodriguez
2024-04-28 14:59 ` Andrew Lunn
2024-04-28 22:04 ` Ramón Nordin Rodriguez
2024-05-01 18:29 ` Ramón Nordin Rodriguez
2024-05-01 19:58 ` Andrew Lunn
2024-05-01 20:07 ` Andrew Lunn
2024-05-02 10:10 ` Parthiban.Veerasooran
2024-05-02 10:19 ` Ramón Nordin Rodriguez
2024-05-03 7:10 ` Parthiban.Veerasooran
2024-05-06 1:21 ` Andrew Lunn
2024-05-06 6:47 ` Piergiorgio Beruto
2024-05-07 12:44 ` Ramón Nordin Rodriguez
2024-05-13 6:41 ` Ramón Nordin Rodriguez
2024-05-13 13:00 ` Andrew Lunn
2024-05-13 13:50 ` Ramón Nordin Rodriguez
2024-05-13 14:04 ` Andrew Lunn
2024-05-15 21:45 ` Ramón Nordin Rodriguez
2024-05-14 4:46 ` Parthiban.Veerasooran
2024-05-15 21:48 ` Ramón Nordin Rodriguez
2024-05-17 9:38 ` Parthiban.Veerasooran
2024-05-17 12:43 ` Ramón Nordin Rodriguez
2024-04-18 12:56 ` [PATCH net-next v4 06/12] net: ethernet: oa_tc6: implement internal PHY initialization Parthiban Veerasooran
2024-04-23 23:48 ` Andrew Lunn
2024-04-26 13:17 ` Parthiban.Veerasooran
2024-04-18 12:56 ` [PATCH net-next v4 07/12] net: ethernet: oa_tc6: enable open alliance tc6 data communication Parthiban Veerasooran
2024-04-23 23:49 ` Andrew Lunn
2024-04-18 12:56 ` [PATCH net-next v4 08/12] net: ethernet: oa_tc6: implement transmit path to transfer tx ethernet frames Parthiban Veerasooran
2024-04-24 0:02 ` Andrew Lunn
2024-04-26 13:19 ` Parthiban.Veerasooran
2024-04-18 12:56 ` [PATCH net-next v4 09/12] net: ethernet: oa_tc6: implement receive path to receive rx " Parthiban Veerasooran
2024-04-24 0:08 ` Andrew Lunn
2024-04-26 13:45 ` Parthiban.Veerasooran
2024-04-26 18:13 ` Andrew Lunn
2024-04-29 6:13 ` Parthiban.Veerasooran
2024-04-27 20:02 ` Ramón Nordin Rodriguez
2024-04-29 8:32 ` Parthiban.Veerasooran
2024-04-29 10:45 ` Ramón Nordin Rodriguez
2024-04-18 12:56 ` [PATCH net-next v4 10/12] net: ethernet: oa_tc6: implement mac-phy interrupt Parthiban Veerasooran
2024-04-24 0:10 ` Andrew Lunn
2024-04-18 12:56 ` [PATCH net-next v4 11/12] microchip: lan865x: add driver support for Microchip's LAN865X MAC-PHY Parthiban Veerasooran
2024-04-24 0:27 ` Andrew Lunn
2024-04-26 13:32 ` Parthiban.Veerasooran
2024-04-26 18:14 ` Andrew Lunn
2024-04-29 6:13 ` Parthiban.Veerasooran
2024-04-27 19:19 ` Ramón Nordin Rodriguez
2024-04-27 19:57 ` Conor Dooley
2024-04-27 20:13 ` Ramón Nordin Rodriguez
2024-04-27 20:22 ` Conor Dooley
2024-04-27 21:09 ` Ramón Nordin Rodriguez
2024-04-29 9:47 ` Parthiban.Veerasooran
2024-04-29 12:09 ` Andrew Lunn
2024-04-30 13:30 ` Parthiban.Veerasooran
2024-04-30 16:55 ` Conor Dooley
2024-05-02 5:56 ` Parthiban.Veerasooran
2024-04-27 20:40 ` Andrew Lunn
2024-04-27 21:06 ` Ramón Nordin Rodriguez
2024-04-28 14:18 ` Andrew Lunn
2024-04-27 19:35 ` Ramón Nordin Rodriguez
2024-04-27 20:58 ` Andrew Lunn
2024-04-27 21:29 ` Ramón Nordin Rodriguez
2024-04-28 14:25 ` Andrew Lunn
2024-04-28 22:00 ` Ramón Nordin Rodriguez
2024-04-18 12:56 ` [PATCH net-next v4 12/12] dt-bindings: net: add Microchip's LAN865X 10BASE-T1S MACPHY Parthiban Veerasooran
2024-04-18 15:39 ` Conor Dooley
2024-04-22 3:59 ` Parthiban.Veerasooran
2024-04-22 15:50 ` Conor Dooley
2024-04-23 3:27 ` Parthiban.Veerasooran
2024-04-22 20:07 ` [PATCH net-next v4 00/12] Add support for OPEN Alliance 10BASE-T1x MACPHY Serial Interface Andrew Lunn
2024-04-22 20:08 ` Andrew Lunn
2024-04-22 23:23 ` Andrew Lunn
2024-05-08 13:05 ` Parthiban.Veerasooran
2024-05-08 17:04 ` Andrew Lunn
2024-05-09 13:04 ` Parthiban.Veerasooran
2024-05-09 20:39 ` Andrew Lunn
2024-05-10 11:22 ` Parthiban.Veerasooran [this message]
2024-04-22 23:43 ` Andrew Lunn
2024-04-28 21:16 ` [PATCH net-next v4 13/12] net: lan865x: optional hardware reset Ramón Nordin Rodriguez
2024-04-28 23:17 ` Andrew Lunn
2024-04-29 10:42 ` Ramón Nordin Rodriguez
2024-04-29 6:09 ` Parthiban.Veerasooran
2024-04-29 10:38 ` Ramón Nordin Rodriguez
2024-04-29 12:19 ` Andrew Lunn
2024-04-30 8:04 ` Ramón Nordin Rodriguez
2024-04-30 13:30 ` Parthiban.Veerasooran
2024-04-30 14:14 ` Andrew Lunn
2024-05-02 10:10 ` Parthiban.Veerasooran
2024-04-29 6:09 ` Krzysztof Kozlowski
2024-04-29 10:44 ` Ramón Nordin Rodriguez
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