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From: Chinmaya Dwibedy <ckdwibedy@gmail.com>
Date: Tue, 3 Jan 2017 11:24:18 +0530
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Subject: Re: [dpdk-users] Maximum number of queue pairs per QAT device
	(using dpdk-2.2.0)
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Hi ,

Can anyone please respond to this mail ? Thank you in advance for your time
and support.

Regards,
Chinmaya

On Thu, Dec 29, 2016 at 6:42 PM, Chinmaya Dwibedy <ckdwibedy@gmail.com>
wrote:

> Hi,
>
>
> I am using the dpdk-2.2.0. I find the maximum number of queue pairs
> supported by the AESNI device is equal to value of
> CONFIG_RTE_AESNI_MB_PMD_MAX_NB_QUEUE_PAIRS (in dpdk-2.2.0/config/common_linuxapp).
> I have created a mapping between logical core ID and crypto device index.
> Also want to keep one queue per IPsec security association (Inbound or
> Outbound). With this, even same core and crypto device processes the packet
> of two security association (One is inbound and another is outbound)
> without intermixing.
>
>
> I find the max_nb_queue_pairs to be 2 (via rte_cryptodev_info_get () for
> QAT device. Is there any configuration to increase the maximum number of
> queue pairs per QAT device? If not , how can I use/support multiple queues
> per QAT device ? Please suggest.
>
>
> Note that, I have assigned 16 VFs to VM (Openstack).
>
>
> Regards,
>
> Chinmaya
>