[PATCH 14/17] bus/dpaa: add OH port mode for dpaa eth

[Hemant Agrawal]

On 07-08-2024 21:10, Ferruh Yigit wrote:
> On 8/1/2024 11:53 AM, Hemant Agrawal wrote:
>> From: Rohit Raj <rohit.raj at nxp.com>
>>
>> NXP DPAA architecture supports the concept of DPAA
>> port as Offline Port - meaning - not connected to an actual MAC.
>> This is an virtual port to be used by application for exchanging data.
>>
> Is this for application sending some control messages to the device via
> port?
> Or is this a way for multiple application communicating with each other
> with the help of this port?

This is a  kind of hardware assisted IPC for exchanging data between the 
two applications or processing domains.

We have added more comments and documentation for it.

>> This property is completely driven by the device-tree. During the
>> DPAA bus scan, based on the platform device properties as in
>> device-tree, the port can be classified as OH port.
>>
>> This patch add support in the driver to use dpaa eth port
>> in OH mode as well with DPDK applications.
>>
>> Signed-off-by: Rohit Raj <rohit.raj at nxp.com>