From: "Wu, Jingjing" <jingjing.wu@intel.com>
To: "Guo, Jia" <jia.guo@intel.com>, "Zhang, Helin" <helin.zhang@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>, "stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-stable] [dpdk-dev v2 2/3] app: enable HW CRC strip by default
Date: Wed, 22 Mar 2017 12:24:53 +0000 [thread overview]
Message-ID: <9BB6961774997848B5B42BEC655768F810CF9869@SHSMSX103.ccr.corp.intel.com> (raw)
In-Reply-To: <1490003874-37766-2-git-send-email-jia.guo@intel.com>
> -----Original Message-----
> From: Wu, Jingjing
> Sent: Wednesday, March 22, 2017 8:22 PM
> To: Guo, Jia <jia.guo@intel.com>; Zhang, Helin <helin.zhang@intel.com>
> Cc: dev@dpdk.org; stable@dpdk.org
> Subject: RE: [dpdk-dev v2 2/3] app: enable HW CRC strip by default
>
>
>
> > -----Original Message-----
> > From: Guo, Jia
> > Sent: Monday, March 20, 2017 5:58 PM
> > To: Zhang, Helin <helin.zhang@intel.com>; Wu, Jingjing
> > <jingjing.wu@intel.com>
> > Cc: dev@dpdk.org; Guo, Jia <jia.guo@intel.com>; stable@dpdk.org
> > Subject: [dpdk-dev v2 2/3] app: enable HW CRC strip by default
> >
> > Since VF has no ability to disable/enable HW CRC strip for non-DPDK PF
> > drivers, and for most case of kernel driver default enable HW CRC
> > strip, if disable HW CRC strip in app's rxmode, VF driver will return
> > fail and result the VF launch failure. So this patch default to enable HW CRC
> strip to let VF launch successful.
> >
> > Signed-off-by: Jeff Guo <jia.guo@intel.com>
> > Cc: stable@dpdk.org
> > ---
> > app/test-pmd/testpmd.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c index
> > e04e215..f01522c 100644
> > --- a/app/test-pmd/testpmd.c
> > +++ b/app/test-pmd/testpmd.c
> > @@ -284,7 +284,7 @@ struct rte_eth_rxmode rx_mode = {
> > .hw_vlan_strip = 1, /**< VLAN strip enabled. */
> > .hw_vlan_extend = 0, /**< Extended VLAN disabled. */
> > .jumbo_frame = 0, /**< Jumbo Frame Support disabled. */
> > - .hw_strip_crc = 0, /**< CRC stripping by hardware disabled. */
> > + .hw_strip_crc = 1, /**< CRC stripping by hardware disabled. */
> > };
> >
> You change the default hw_strip_crc to 1, then the argument "crc-strip" of
> testpmd becomes meaningless.
> It's better to change it too.
And the comment should be changed to enabled!
next prev parent reply other threads:[~2017-03-22 12:24 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-20 9:57 [dpdk-stable] [dpdk-dev v2 1/3] examples: " Jeff Guo
2017-03-20 9:57 ` [dpdk-stable] [dpdk-dev v2 2/3] app: " Jeff Guo
2017-03-22 12:22 ` Wu, Jingjing
2017-03-22 12:24 ` Wu, Jingjing [this message]
2017-03-23 3:40 ` [dpdk-stable] [dpdk-dev v3 1/3] examples: " Jeff Guo
2017-03-23 3:40 ` [dpdk-stable] [dpdk-dev v3 2/3] app: " Jeff Guo
2017-03-23 3:40 ` [dpdk-stable] [dpdk-dev v3 3/3] test: " Jeff Guo
2017-03-23 5:43 ` [dpdk-stable] [dpdk-dev v3 1/3] examples: " Jeff Guo
2017-03-23 5:43 ` [dpdk-stable] [dpdk-dev v3 2/3] app: " Jeff Guo
2017-03-23 6:43 ` Wu, Jingjing
2017-03-23 5:43 ` [dpdk-stable] [dpdk-dev v3 3/3] test: " Jeff Guo
2017-03-23 6:43 ` Wu, Jingjing
2017-04-08 5:56 ` [dpdk-stable] [dpdk-dev v4 1/3] examples: " Jeff Guo
2017-04-08 5:56 ` [dpdk-stable] [dpdk-dev v4 2/3] app: " Jeff Guo
2017-04-08 5:56 ` [dpdk-stable] [dpdk-dev v4 3/3] test: " Jeff Guo
2017-04-10 20:37 ` [dpdk-stable] [dpdk-dev v4 1/3] examples: " Thomas Monjalon
2017-03-23 6:43 ` [dpdk-stable] [dpdk-dev v3 " Wu, Jingjing
2017-03-20 9:57 ` [dpdk-stable] [dpdk-dev v2 3/3] test: " Jeff Guo
2017-03-22 12:26 ` Wu, Jingjing
2017-03-23 3:55 ` Guo, Jia
2017-03-22 11:53 ` [dpdk-stable] [dpdk-dev v2 1/3] examples: " Wu, Jingjing
2017-03-22 12:28 ` Wu, Jingjing
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