netdev - Re: [PATCH net-next v2 1/3] net: ethernet: ti: RPMsg based shared memory ethernet driver

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Date: Mon, 3 Jun 2024 11:46:45 +0530
From: Yojana Mallik <y-mallik@...com>
To: Siddharth Vadapalli <s-vadapalli@...com>
CC: <schnelle@...ux.ibm.com>, <wsa+renesas@...g-engineering.com>,
        <diogo.ivo@...mens.com>, <rdunlap@...radead.org>, <horms@...nel.org>,
        <vigneshr@...com>, <rogerq@...com>, <danishanwar@...com>,
        <pabeni@...hat.com>, <kuba@...nel.org>, <edumazet@...gle.com>,
        <davem@...emloft.net>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <srk@...com>, <rogerq@...nel.org>,
        <y-mallik@...com>
Subject: Re: [PATCH net-next v2 1/3] net: ethernet: ti: RPMsg based shared
 memory ethernet driver



On 6/2/24 12:31, Siddharth Vadapalli wrote:
> On Fri, May 31, 2024 at 12:10:04PM +0530, Yojana Mallik wrote:
>> From: Ravi Gunasekaran <r-gunasekaran@...com>
>>
>> TI's K3 SoCs comprises heterogeneous processors (Cortex A, Cortex R).
>> When the ethernet controller is completely managed by a core (Cortex R)
>> running a flavor of RTOS, in a non virtualized environment, network traffic
>> tunnelling between heterogeneous processors can be realized by means of
>> RPMsg based shared memory ethernet driver. With the shared memory used
>> for the data plane and the RPMsg end point channel used for control plane.
>>
>> inter-core-virt-eth driver is modelled as a RPMsg based shared
>> memory ethernet driver for such an use case.
>>
>> As a first step, register the inter-core-virt-eth as a RPMsg driver.
>> And introduce basic control messages for querying and responding.
>>
> 
> Signed-off-by: Siddharth Vadapalli <s-vadapalli@...com>
> 
> My "Signed-off-by" tag was present in the RFC patch at:
> https://lore.kernel.org/r/20240130110944.26771-2-r-gunasekaran@ti.com/
> 

Sorry for the mistake. I will add it.

> Any reason for dropping it? Also, I was in the Cc list of the RFC series.
> Please ensure that you don't drop emails which were present in earlier
> versions of the series (unless the email is no longer valid), and also
> ensure that you Cc all individuals who have commented on the series when
> you post a new version of the series.
> 

Sorry for the mistake. I will ensure that I Cc all the necessary individuals.

>> Signed-off-by: Ravi Gunasekaran <r-gunasekaran@...com>
>> Signed-off-by: Yojana Mallik <y-mallik@...com>
>> ---
>>  drivers/net/ethernet/ti/Kconfig               |  9 +++
>>  drivers/net/ethernet/ti/Makefile              |  1 +
>>  drivers/net/ethernet/ti/icve_rpmsg_common.h   | 47 +++++++++++
>>  drivers/net/ethernet/ti/inter_core_virt_eth.c | 81 +++++++++++++++++++
> 
> [...]
> 
> Regards,
> Siddharth.