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From: "Wang, Xiao W" <xiao.w.wang@intel.com>
To: Olivier Matz <olivier.matz@6wind.com>,
	"Chen, Jing D" <jing.d.chen@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH 4/5] net/ixgbe: implement new Rx checksum flag
Date: Wed, 31 Aug 2016 09:07:43 +0000	[thread overview]
Message-ID: <B7F2E978279D1D49A3034B7786DACF406C181947@SHSMSX101.ccr.corp.intel.com> (raw)
In-Reply-To: <f32ebe09-79b3-9d6b-0dc6-416c35c9019f@6wind.com>

Hi Olivier,

> -----Original Message-----
> From: Olivier Matz [mailto:olivier.matz@6wind.com]
> Sent: Friday, August 26, 2016 3:30 PM
> To: Wang, Xiao W <xiao.w.wang@intel.com>; Chen, Jing D
> <jing.d.chen@intel.com>
> Cc: dev@dpdk.org
> Subject: Re: [PATCH 4/5] net/ixgbe: implement new Rx checksum flag
> 
> Hi Xiao,
> 
> On 08/25/2016 07:48 PM, Xiao Wang wrote:
> > Add CKSUM_GOOD flag to distinguish a good checksum from an unknown
> one.
> >
> > Signed-off-by: Xiao Wang <xiao.w.wang@intel.com>
> > ---
> >  drivers/net/ixgbe/ixgbe_rxtx.c | 4 +++-
> >  1 file changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/net/ixgbe/ixgbe_rxtx.c b/drivers/net/ixgbe/ixgbe_rxtx.c
> > index 8a306b0..d2dc82a 100644
> > --- a/drivers/net/ixgbe/ixgbe_rxtx.c
> > +++ b/drivers/net/ixgbe/ixgbe_rxtx.c
> > @@ -1345,7 +1345,9 @@ rx_desc_error_to_pkt_flags(uint32_t rx_status)
> >  	 * Bit 30: L4I, L4I integrity error
> >  	 */
> >  	static uint64_t error_to_pkt_flags_map[4] = {
> > -		0,  PKT_RX_L4_CKSUM_BAD, PKT_RX_IP_CKSUM_BAD,
> > +		PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_GOOD,
> > +		PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_BAD,
> > +		PKT_RX_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_GOOD,
> >  		PKT_RX_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD
> >  	};
> >  	pkt_flags = error_to_pkt_flags_map[(rx_status >>
> >
> 
> I think this would somehow conflict with the patch adding the support of
> Rx checksum offload in vector receive function:
> 
> http://dpdk.org/dev/patchwork/patch/14630/
> 
> Depending on which one is pushed first, the second one would need to be
> reworked.
> 
> Olivier

Yes, since your patch supports cksum in vector Rx, I'll add the new cksum flags for it
based on your patch.

Best Regards,
Xiao

  reply	other threads:[~2016-08-31  9:08 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-25 17:48 [dpdk-dev] [PATCH 0/5] " Xiao Wang
2016-08-25 17:48 ` [dpdk-dev] [PATCH 1/5] net/fm10k: add back Rx checksum offload Xiao Wang
2016-08-26  7:27   ` Olivier Matz
2016-08-31  9:02     ` Wang, Xiao W
2016-08-25 17:48 ` [dpdk-dev] [PATCH 2/5] net/fm10k: implement new Rx checksum flag Xiao Wang
2016-08-29  9:32   ` Chen, Jing D
2016-08-31  8:59     ` Wang, Xiao W
2016-08-25 17:48 ` [dpdk-dev] [PATCH 3/5] net/e1000: " Xiao Wang
2016-08-25 17:48 ` [dpdk-dev] [PATCH 4/5] net/ixgbe: " Xiao Wang
2016-08-26  7:30   ` Olivier Matz
2016-08-31  9:07     ` Wang, Xiao W [this message]
2016-08-25 17:48 ` [dpdk-dev] [PATCH 5/5] net/i40e: " Xiao Wang

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