[dpdk-dev] [PATCH v2 06/12] cryptodev: move vdev functions to a separate file

De Lara Guarch, Pablo pablo.de.lara.guarch at intel.com
Wed Jun 28 00:22:34 CEST 2017


Hi,

> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of De Lara Guarch,
> Pablo
> Sent: Tuesday, June 27, 2017 6:12 PM
> To: Thomas Monjalon <thomas at monjalon.net>; Yigit, Ferruh
> <ferruh.yigit at intel.com>
> Cc: dev at dpdk.org; Doherty, Declan <declan.doherty at intel.com>
> Subject: Re: [dpdk-dev] [PATCH v2 06/12] cryptodev: move vdev functions
> to a separate file
> 
> 
> 
> > -----Original Message-----
> > From: Thomas Monjalon [mailto:thomas at monjalon.net]
> > Sent: Tuesday, June 27, 2017 5:09 PM
> > To: Yigit, Ferruh <ferruh.yigit at intel.com>
> > Cc: dev at dpdk.org; De Lara Guarch, Pablo
> > <pablo.de.lara.guarch at intel.com>; Doherty, Declan
> > <declan.doherty at intel.com>
> > Subject: Re: [dpdk-dev] [PATCH v2 06/12] cryptodev: move vdev
> > functions to a separate file
> >
> > 27/06/2017 17:11, Ferruh Yigit:
> > > On 6/27/2017 3:28 PM, Thomas Monjalon wrote:
> > > > 27/06/2017 11:51, De Lara Guarch, Pablo:
> > > >> From: Thomas Monjalon [mailto:thomas at monjalon.net]
> > > >>> 23/06/2017 14:52, Declan Doherty:
> > > >>>> On 21/06/2017 7:28 AM, Pablo de Lara wrote:
> > > >>>>> Move all functions handling virtual devices to a separate
> > > >>>>> header file "rte_cryptodev_vdev.h", in order to leave only
> > > >>>>> generic functions for any device in the rest of the files.
> > > >>>>>
> > > >>>>> Signed-off-by: Pablo de Lara <pablo.de.lara.guarch at intel.com>
> > > >>>>
> > > >>>> Acked-by: Declan Doherty <declan.doherty at intel.com>
> > > >>>
> > > >>> This patch is moving some code from a .c to a .h.
> > > >>> The consequence is that driver are now compiling new functions
> > > >>> from the .h and require librte_kvargs to link with.
> > > >>> It is a build error in shared lib mode.
> > > >>>
> > > >>> Please keep the code in a .c file if possible.
> > > >>
> > > >> Sorry about this. I just fixed it in the subtree, so pull it
> > > >> whenever you
> > are ready.
> > > >> Also, since ethdev have separated pci and vdev functions in
> > > >> separate .h files, I preferred to be consistent and do the same.
> > > >
> > > > There is no reason to implement these functions in .h files.
> > > > I prefer to keep them in a .c file and just export the proto in .h.
> > >
> > > This is same in the eth_dev too.
> > >
> > > These are helper functions, and implementing them in .h file has the
> > > benefit of function goes into PMD library, and there is no
> > > dependency from PMDs to librte_ether for these functions (there are
> > > dependencies for other functions ..).
> > >
> > > It looks acceptable for me for helper functions to be implemented in
> > > header file. But if we decide to move them into .c file, .map file
> > > should be updated to export them, and I suppose ethdev also should
> > > be updated to be compatible.
> >
> > Yes we should avoid adding code in .h.
> > It is accepted only for performance reasons.
> > ethdev can be reworked later.
> > cryptodev can be improved now and avoid adding rte_devargs deps on
> > PMDs.
> 
> Ok, will make those changes shortly.

I have implemented these functions in a separated .c file and pushed it to dpdk-next-crypto.

Pablo
> 
> Pablo


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