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charset="Windows-1252" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MW5PR11MB5809.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: c7bf4c9b-7510-4dfd-e56a-08da3992a72c X-MS-Exchange-CrossTenant-originalarrivaltime: 19 May 2022 12:25:25.8779 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: PEAduLex5HqJhg4+wkOZhEce06ddj44TI+3QI33g5kA3XWk/hcMhoOJNmiggUB7RH4f/T+J8/JwuqrPxFBFREg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR11MB5246 X-OriginatorOrg: intel.com X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Hi Bruce, > -----Original Message----- > From: Richardson, Bruce > Sent: Thursday, May 19, 2022 11:23 AM > To: Zhang, Roy Fan > Cc: Ferruh Yigit ; Ji, Kai ; > dev@dpdk.org > Subject: Re: [dpdk-dev v2 1/2] build: add in option for qat use intel ips= ec-mb > lib >=20 > On Thu, May 19, 2022 at 10:14:14AM +0100, Zhang, Roy Fan wrote: > > > -----Original Message----- > > > From: Richardson, Bruce > > > Sent: Wednesday, May 18, 2022 11:33 AM > > > To: Ferruh Yigit > > > Cc: Ji, Kai ; dev@dpdk.org; Zhang, Roy Fan > > > > > > Subject: Re: [dpdk-dev v2 1/2] build: add in option for qat use intel= ipsec- > mb > > > lib > > > > > > On Wed, May 18, 2022 at 11:26:27AM +0100, Ferruh Yigit wrote: > > > > On 5/18/2022 9:04 AM, Bruce Richardson wrote: > > > > > On Tue, May 17, 2022 at 10:16:51PM +0800, Kai Ji wrote: > > > > > > Add in build option for QAT pmd use intel ipsec-mb lib > > > > > > instead openssl for precompute partial hash & aes. > > > > > > > > > > > > Signed-off-by: Kai Ji > > > > > > --- > > > > > > drivers/common/qat/meson.build | 12 ++++++++++++ > > > > > > meson_options.txt | 2 ++ > > > > > > 2 files changed, 14 insertions(+) > > > > > > > > > > > > diff --git a/drivers/common/qat/meson.build > > > b/drivers/common/qat/meson.build > > > > > > index b7027f3164..d6eaff3e0e 100644 > > > > > > --- a/drivers/common/qat/meson.build > > > > > > +++ b/drivers/common/qat/meson.build > > > > > > @@ -35,6 +35,18 @@ if qat_crypto and not libcrypto.found() > > > > > > 'missing dependency, libcrypto') > > > > > > endif > > > > > > +if get_option('qat_libipsecmb') > > > > > > + IMB_required_ver =3D '1.0.0' > > > > > > + libipsecmb =3D cc.find_library('IPSec_MB', required: false= ) > > > > > > + if not lib.found() > > > > > > + build =3D false > > > > > > + reason =3D 'missing dependency, "libIPSec_MB"' > > > > > > + else > > > > > > + ext_deps +=3D libipsecmb > > > > > > + dpdk_conf.set('RTE_QAT_LIBIPSECMB', true) > > > > > > + endif > > > > > > +endif > > > > > > + > > > > > > > > > > In general it's not a good idea for individual drivers to add top= -level > > > > > meson.build options. If every driver does this for all its option= s we will > > > > > have an unmanageable set of hundreds of options. Unfortunately, > > > though, I > > > > > don't see a really good way to replace this with something other = than > a > > > > > build option - I assume it's not just good enough to check which = of the > > > > > dependencies is found/not-found? Is there some way that this can = be > a > > > > > generic option, that may be applicable to other drivers? Could th= e > option > > > > > be instead to prioritize FIPs compatibility? > > > > > > > > > > > > > +1 to not have top level meson option for a driver. > > > > > > > > Will it work to give priority to intel-ipsec-mb lib, like when ipse= c-mb > > > > library exists use it, else use openssl? > > > > > > Looking at the patch a bit more, is there a reason why this cannot be > made > > > a run-time option when both libraries are available? > > > > Hi Bruce, > > > > Thanks for the review. > > Are you suggesting adding a EAL option to the QAT PMD? > > > I was thinking you can add a driver option, to allow switching from the > default if both openssl and ipsec-mb were available to be compiled in. We may have to use macros to filter out openssl deprecated API calls otherwise the warning may still be there. Also what kind of driver option are we talking about - any reference you can point to us? Much appreciated! Regards, Fan