[dpdk-dev] [PATCH] net/i40e: fix missing mbuf fast free offload

Zhang, Qi Z qi.z.zhang at intel.com
Fri May 11 02:39:49 CEST 2018


 

> -----Original Message-----
> From: Yigit, Ferruh
> Sent: Friday, May 11, 2018 6:10 AM
> To: Xing, Beilei <beilei.xing at intel.com>; Zhang, Qi Z <qi.z.zhang at intel.com>
> Cc: dev at dpdk.org
> Subject: Re: [dpdk-dev] [PATCH] net/i40e: fix missing mbuf fast free offload
> 
> On 5/8/2018 5:50 PM, Ferruh Yigit wrote:
> > On 5/7/2018 6:08 AM, Xing, Beilei wrote:
> >>
> >>
> >>> -----Original Message-----
> >>> From: Zhang, Qi Z
> >>> Sent: Monday, May 7, 2018 9:26 AM
> >>> To: Yigit, Ferruh <ferruh.yigit at intel.com>
> >>> Cc: Xing, Beilei <beilei.xing at intel.com>; dev at dpdk.org; Zhang, Qi Z
> >>> <qi.z.zhang at intel.com>
> >>> Subject: [PATCH] net/i40e: fix missing mbuf fast free offload
> >>>
> >>> Expose the missing mbuf fast free capability since i40 does support it.
> >>>
> >>> Fixes: 7497d3e2f777 ("net/i40e: convert to new Tx offloads API")
> >>>
> >>> Signed-off-by: Qi Zhang <qi.z.zhang at intel.com>
> >
> >>
> >> Acked-by: Beilei Xing <beilei.xing at intel.com>
> >
> > Applied to dpdk-next-net/master, thanks.
> 
> Hi Beilei, Qi,
> 
> This patch is preventing i40e to use Tx avx2 fast path and cause a performance
> drop, you need to allow this offload in Tx data path selection logic.

OK, I missed that, will fix. thanks.

> 
> Dropping this patch from next-net, updated patch status in patchwork, please
> send a new version.
> 
> Thanks,
> ferruh


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