From: "De Lara Guarch, Pablo" <pablo.de.lara.guarch@intel.com>
To: "Zhoujian (jay)" <jianjay.zhou@huawei.com>,
"Zhang, Roy Fan" <roy.fan.zhang@intel.com>,
"dev@dpdk.org" <dev@dpdk.org>
Cc: "stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-stable] [PATCH v2] crypto/virtio: fix iv physical address
Date: Thu, 5 Jul 2018 10:53:51 +0000 [thread overview]
Message-ID: <E115CCD9D858EF4F90C690B0DCB4D8977F8E5703@IRSMSX108.ger.corp.intel.com> (raw)
In-Reply-To: <B2D15215269B544CADD246097EACE7473B6D5E73@dggemm508-mbx.china.huawei.com>
Hi Jianjay,
> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Zhoujian (jay)
> Sent: Tuesday, July 3, 2018 1:29 PM
> To: Zhang, Roy Fan <roy.fan.zhang@intel.com>; dev@dpdk.org
> Cc: De Lara Guarch, Pablo <pablo.de.lara.guarch@intel.com>; stable@dpdk.org
> Subject: Re: [dpdk-dev] [PATCH v2] crypto/virtio: fix iv physical address
>
> > -----Original Message-----
> > From: Fan Zhang [mailto:roy.fan.zhang@intel.com]
> > Sent: Tuesday, June 26, 2018 10:11 AM
> > To: dev@dpdk.org
> > Cc: pablo.de.lara.guarch@intel.com; Zhoujian (jay)
> > <jianjay.zhou@huawei.com>; stable@dpdk.org
> > Subject: [PATCH v2] crypto/virtio: fix iv physical address
> >
> > The physical address of IV required by Virtio was computed using
> > crypto operations' physical address plus the offset. However not all
> > crypto ops will have physical address field initialized and compute it runtimely
> is costly.
> > This patch fixes this problem by adding iv field in
> > virtio_crypto_op_cookie and does a memcpy of iv instead.
> >
> > Fixes: 82adb12a1fce ("crypto/virtio: support burst enqueue/dequeue")
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: Fan Zhang <roy.fan.zhang@intel.com>
> > ---
> >
> > v2:
> > - change max iv size to 16
> > - use branch to avoid unnecessary memcpy
> >
> > drivers/crypto/virtio/virtio_cryptodev.c | 6 ++++++
> > drivers/crypto/virtio/virtio_cryptodev.h | 3 +++
> > drivers/crypto/virtio/virtio_rxtx.c | 14 +++++++++++++-
> > 3 files changed, 22 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/crypto/virtio/virtio_cryptodev.c
> > b/drivers/crypto/virtio/virtio_cryptodev.c
> > index df88953f6..6ffa7619c 100644
> > --- a/drivers/crypto/virtio/virtio_cryptodev.c
> > +++ b/drivers/crypto/virtio/virtio_cryptodev.c
> > @@ -1223,6 +1223,12 @@ virtio_crypto_sym_pad_op_ctrl_req(
> > /* Get cipher xform from crypto xform chain */
> > cipher_xform = virtio_crypto_get_cipher_xform(xform);
> > if (cipher_xform) {
> > + if (cipher_xform->iv.length > VIRTIO_CRYPTO_MAX_IV_SIZE) {
> > + VIRTIO_CRYPTO_SESSION_LOG_ERR(
> > + "cipher IV cannot longer than %u",
>
> Hi Fan,
>
> As I mentioned in V1, do you agree to use "cipher IV length" or "cipher IV size"
> instead of "cipher IV" here?
Fan is out of office this week. Since this is a minor change,
I can apply it and make that change on the fly.
Thanks,
Pablo
>
> Apart from that,
>
> Reviewed-by: <jianjay.zhou@huawei.com>
next prev parent reply other threads:[~2018-07-05 10:53 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-14 11:02 [dpdk-stable] [PATCH] " Fan Zhang
2018-06-14 12:38 ` [dpdk-stable] [dpdk-dev] " Akhil Goyal
2018-06-15 4:45 ` Zhoujian (jay)
2018-06-15 4:41 ` [dpdk-stable] " Zhoujian (jay)
2018-06-26 2:10 ` [dpdk-stable] [PATCH v2] " Fan Zhang
2018-07-03 12:29 ` Zhoujian (jay)
2018-07-05 10:53 ` De Lara Guarch, Pablo [this message]
2018-07-06 1:12 ` Zhoujian (jay)
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