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From: "Kulasek, TomaszX" <tomaszx.kulasek@intel.com>
To: "Michał Mirosław" <mirqus@gmail.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH 3/4] crypto: add sgl support for sw PMDs
Date: Mon, 12 Dec 2016 10:01:26 +0000	[thread overview]
Message-ID: <3042915272161B4EB253DA4D77EB373A14F5A8DA@IRSMSX102.ger.corp.intel.com> (raw)
In-Reply-To: <CAHXqBFKvvV5JjScuoVH=6dE1YUw39RwwwSEQ4sRA=1aGHMQ9QQ@mail.gmail.com>

Hi Michał,

> -----Original Message-----
> From: Michał Mirosław [mailto:mirqus@gmail.com]
> Sent: Saturday, December 3, 2016 09:28
> To: Kulasek, TomaszX <tomaszx.kulasek@intel.com>
> Cc: dev@dpdk.org
> Subject: Re: [dpdk-dev] [PATCH 3/4] crypto: add sgl support for sw PMDs
> 
> 2016-12-02 18:07 GMT+01:00 Tomasz Kulasek <tomaszx.kulasek@intel.com>:
> > This patch introduces RTE_CRYPTODEV_FF_MBUF_SCATTER_GATHER feature
> > flag informing that selected crypto device supports segmented mbufs
> > natively and doesn't need to be coalesced before crypto operation.
> >
> > While using segmented buffers in crypto devices may have unpredictable
> > results, for PMDs which doesn't support it natively, additional check
> > is made for debug compilation.
> >
> [...]
> > +#ifdef RTE_LIBRTE_PMD_AESNI_GCM_DEBUG
> > +               if (!rte_pktmbuf_is_contiguous(ops[i]->sym->m_src) ||
> > +                               (ops[i]->sym->m_dst != NULL &&
> > +                               !rte_pktmbuf_is_contiguous(
> > +                                               ops[i]->sym->m_dst))) {
> > +                       ops[i]->status =
> RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
> > +                       GCM_LOG_ERR("PMD supports only contiguous mbufs,
> "
> > +                               "op (%p) provides noncontiguous mbuf as
> "
> > +                               "source/destination buffer.\n", ops[i]);
> > +                       qp->qp_stats.enqueue_err_count++;
> > +                       break;
> > +               }
> > +#endif
> [...]
> 
> Why are there so many copies of this code?
> 
> Best Regards,
> Michał Mirosław

This is one check per crypto PMD: aesni-gcm, aesni-mb, openssl and so on, enabled per PMD.

Tomasz

  reply	other threads:[~2016-12-12 10:01 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-02 17:07 [dpdk-dev] [PATCH 0/4] Chained Mbufs support in SW PMDs Tomasz Kulasek
2016-12-02 17:07 ` [dpdk-dev] [PATCH 1/4] rte_mbuf: add rte_pktmbuf_coalesce Tomasz Kulasek
2016-12-16 10:06   ` Olivier Matz
2016-12-29 15:58     ` Kulasek, TomaszX
2016-12-02 17:07 ` [dpdk-dev] [PATCH 2/4] test: add rte_pktmbuf_coalesce unit tests Tomasz Kulasek
2016-12-02 17:07 ` [dpdk-dev] [PATCH 3/4] crypto: add sgl support for sw PMDs Tomasz Kulasek
2016-12-03  8:28   ` Michał Mirosław
2016-12-12 10:01     ` Kulasek, TomaszX [this message]
2016-12-02 17:07 ` [dpdk-dev] [PATCH 4/4] test: add sgl unit tests for crypto devices Tomasz Kulasek
2016-12-29 17:12 ` [dpdk-dev] [PATCH v2 0/5] Chained Mbufs support in SW PMDs Tomasz Kulasek
2016-12-29 17:12   ` [dpdk-dev] [PATCH v2 1/5] rte_mbuf: add rte_pktmbuf_linearize Tomasz Kulasek
2016-12-29 17:12   ` [dpdk-dev] [PATCH v2 2/5] test: add rte_pktmbuf_linearize unit tests Tomasz Kulasek
2016-12-29 17:12   ` [dpdk-dev] [PATCH v2 3/5] crypto: add sgl support in sw PMDs Tomasz Kulasek
2016-12-29 17:12   ` [dpdk-dev] [PATCH v2 4/5] crypto: add sgl support in openssl PMD Tomasz Kulasek
2016-12-29 17:12   ` [dpdk-dev] [PATCH v2 5/5] test: add sgl unit tests for crypto devices Tomasz Kulasek
2017-01-05  9:12   ` [dpdk-dev] [PATCH v3 0/5] Chained Mbufs support in SW PMDs Tomasz Kulasek
2017-01-05  9:12     ` [dpdk-dev] [PATCH v3 1/5] rte_mbuf: add rte_pktmbuf_linearize Tomasz Kulasek
2017-01-05 15:37       ` De Lara Guarch, Pablo
2017-01-05 16:52         ` Kulasek, TomaszX
2017-01-05  9:12     ` [dpdk-dev] [PATCH v3 2/5] test: add rte_pktmbuf_linearize unit tests Tomasz Kulasek
2017-01-05  9:12     ` [dpdk-dev] [PATCH v3 3/5] crypto: add sgl support in sw PMDs Tomasz Kulasek
2017-01-05  9:12     ` [dpdk-dev] [PATCH v3 4/5] crypto: add sgl support in openssl PMD Tomasz Kulasek
2017-01-05  9:12     ` [dpdk-dev] [PATCH v3 5/5] test: add sgl unit tests for crypto devices Tomasz Kulasek
2017-01-05 16:44     ` [dpdk-dev] [PATCH v4] rte_mbuf: add rte_pktmbuf_linearize Tomasz Kulasek
2017-01-10 16:50       ` Olivier MATZ
2017-01-12  9:40       ` [dpdk-dev] [PATCH v5] mbuf: add a function to linearize a packet Tomasz Kulasek
2017-01-13 15:32         ` Olivier Matz
2017-01-13 15:40           ` Kulasek, TomaszX
2017-01-15 18:32           ` Thomas Monjalon
2017-01-05 16:46     ` [dpdk-dev] [PATCH v4 0/3] Chained Mbufs support in SW PMDs Tomasz Kulasek
2017-01-05 16:46       ` [dpdk-dev] [PATCH v4 1/3] crypto: add sgl support in sw PMDs Tomasz Kulasek
2017-01-05 16:46       ` [dpdk-dev] [PATCH v4 2/3] crypto: add sgl support in openssl PMD Tomasz Kulasek
2017-01-05 16:46       ` [dpdk-dev] [PATCH v4 3/3] test: add sgl unit tests for crypto devices Tomasz Kulasek
2017-01-13 15:23       ` [dpdk-dev] [PATCH v5 0/3] Chained Mbufs support in SW PMDs Tomasz Kulasek
2017-01-13 15:23         ` [dpdk-dev] [PATCH v5 1/3] crypto: add sgl support in sw PMDs Tomasz Kulasek
2017-01-16 16:08           ` Declan Doherty
2017-01-13 15:23         ` [dpdk-dev] [PATCH v5 2/3] crypto: add sgl support in openssl PMD Tomasz Kulasek
2017-01-16 16:10           ` Declan Doherty
2017-01-13 15:23         ` [dpdk-dev] [PATCH v5 3/3] test: add sgl unit tests for crypto devices Tomasz Kulasek
2017-01-16 16:11           ` Declan Doherty
2017-01-16 19:00         ` [dpdk-dev] [PATCH v5 0/3] Chained Mbufs support in SW PMDs De Lara Guarch, Pablo

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