[dpdk-dev] [PATCH 1/7] bus/fslmc: fix to use ci value for qbman 5.0

[Hemant Agrawal]

On 2/2/2021 5:06 PM, Ferruh Yigit wrote:
> On 1/20/2021 2:27 PM, Hemant Agrawal wrote:
>> From: Youri Querry <youri.querry_1 at nxp.com>
>>
>> since for qbman 5.0 generally, pi == ci, no need for extra checks.
>> They are causing issue.
>
> It would be nice to document the issues, in case users encounter them, 
> they will know this patch is fixing it. Can you please send details?

1.  Portal was incorrectly initialized. PI was getting assigned to CI 
incorrectly. This avoided few un-explained issues when using event mode.

2. This provided minor performance improvement

>
> btw, is the understanding correct that this patch is fixing issues 
> only seen with qbman 5.0?
yes.
>
>> This fixes few random packet hang issues in event mode.
>>
>> Fixes: 1b49352f41be ("bus/fslmc: rename portal pi index to consumer 
>> index")
>> Cc: stable at dpdk.org
>>
>> Signed-off-by: Youri Querry <youri.querry_1 at nxp.com>
>> Acked-by: Hemant Agrawal <hemant.agrawal at nxp.com>
>
> <...>