[dpdk-dev] [PATCH v4 1/3] net/mlx5: add a devarg to specify MPRQ stride size

[Ferruh Yigit]

On 4/14/2020 1:52 PM, Thomas Monjalon wrote:
> 14/04/2020 13:42, Ferruh Yigit:
>> On 4/9/2020 11:23 PM, Alexander Kozyrev wrote:
>>> Define a device parameter to configure log 2 of a stride size for MPRQ
>>> - mprq_log_stride_size. User is able to specify a stride size in a range
>>> allowed by an underlying hardware. The default stride size is defined as
>>> 2048 bytes to encompass most commonly used packet sizes in the Internet
>>> (MTU 1518 and less) and will be used in case a maximum configured packet
>>> size cannot fit into the largest possible stride size. Otherwise a
>>> stride size is set to a large enough value to encompass a whole packet.
>>>
>>> Cc: stable at dpdk.org
>>
>> Hi Alexander,
>>
>> This is a new feature, and you are asking it for to be backported to the stable
>> trees.
>>
>> There is no question on getting the fixes to the stable tree, but for
>> backporting features I would like to get the comment of the stable tree
>> maintainers first before merging the series.
> 
> As far as I know, there is a fix hidden in this series,
> for the case of jumbo frames.
> In my understanding, jumbo frames cannot be fixed without a new option.
> I agree it's tricky deciding what is the limit with backports.
> 

I missed the fix bit, so if there is no objection from stable tree maintainers I
will continue with the set keeping the stable tag.