On 4/24/2024 8:04 PM, Stephen Hemminger wrote:
> On Wed, 24 Apr 2024 17:57:46 +0100
> Ferruh Yigit <ferruh.yi...@amd.com> wrote:
> 
>> OK to merge file descriptors instead of duplicating them.
>>
>> But we have this 4 queue limitation only for multi process case, right?
>> If user is planning to use only with primary, this will reduce the
>> supported queue number.
>>
>> Does it make sense to enforce this limitation for secondary only and
>> keep TAP_MAX_QUEUES same?
>> So for multi process usecase supported queue number will be 8, for
>> primary only use case it will remain 16.
>>
>> <...>
> 
> Yes, the lower limit only applies to the secondary process.
> But any application using secondary processes will have the problem;
> i.e it is not that primary gets 16 and the secondary only sees 8.
> 
> Lets keep MAX_QUEUES at 16 for now, and let users see the warning.
> For 24.11 up the max passed fd's to what Linux allows.
>

+1

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