Re: [dpdk-dev] [PATCH v2] ethdev: check Rx/Tx offloads

["Dai, Wei" <wei.dai@intel.com>]

Thanks, Thomas and Ferruh
I think I can implement v3 for this.

> -----Original Message-----
> From: Thomas Monjalon [mailto:thomas@monjalon.net]
> Sent: Sunday, April 15, 2018 6:37 PM
> To: Yigit, Ferruh <ferruh.yigit@intel.com>; Dai, Wei <wei.dai@intel.com>
> Cc: dev@dpdk.org
> Subject: Re: [dpdk-dev] [PATCH v2] ethdev: check Rx/Tx offloads
> 
> 13/04/2018 19:31, Ferruh Yigit:
> > On 3/28/2018 9:57 AM, Wei Dai wrote:
> > > This patch check if a requested offloading is supported in the
> > > device capability.
> > > A per port offloading feature should be enabled or disabled at same
> > > time in both rte_eth_dev_configure( ) and rte_eth_rx_queue_setup(
> > > )/rte_eth_tx_queue_setup( ).
> > > This patch check if a per port offloading flag has same
> > > configuration in rte_eth_dev_configure( ) and
> > > rte_eth_rx_queue_setup( )/rte_eth_tx_queue_setup( ).
> > > This patch can make such checking in a common way in rte_ethdev
> > > layer to avoid same checking in underlying PMD.
> >
> > I think it is good idea to move common check to the abstraction layer
> > as much as possible.
> >
> > But for this case we are targeting an API change in rc2, I believe
> > better wait that API change for this update.
> 
> I think Wei could implement some filtering of offload flags:
> If an offload is already enabled at port level, we can filter out them when
> enabling again at queue level.
> By removing such repetition in ethdev, before calling the PMD op, the PMD
> does not need to bother for offloads enabled twice.
>