Re: [dpdk-users] crypto device 'crypto_aesni_mb' doesn't work in secondary process

["De Lara Guarch, Pablo" <pablo.de.lara.guarch@intel.com>]

Hi Dirk,

> -----Original Message-----
> From: users [mailto:users-bounces@dpdk.org] On Behalf Of Dirk-Holger
> Lenz
> Sent: Friday, August 4, 2017 9:14 AM
> To: users@dpdk.org
> Subject: [dpdk-users] crypto device 'crypto_aesni_mb' doesn't work in
> secondary process
> 
> when the crypto device of type 'crypto_aesni_mb' is
> 
> created in the primary process a secondary process
> 
> crashes when writing into the encryption queue.
> 
> The dequeue function rte_cryptodev_dequeue_burst()
> 
> crashes in flush_mb_mgr() when it tries to access the
> 
> structure of function pointers qp->op_fns.
> 
> The reason is that this structure is allocated by the
> 
> primary process in its memory which is not accessible
> 
> in the secondary process (of course also the function
> 
> pointers are pointing to code of the primary process).
> 

Virtual devices have to be initialized in both processes,
as they cannot be shared between them.

Thanks,
Pablo