[dpdk-dev] DEV_RX_OFFLOAD_SCATTER for ixgbe and igb devices

[Stokes, Ian]

> On 4/13/2018 3:52 PM, Stokes, Ian wrote:
> > Hi all,
> >
> > Currently it's the case that for some NICs (e.g. igb driver or ixgbe
> driver based), scatter_rx needs to be enabled explicitly in the case where
> it was not configured before.
> >
> > A patch submitted for ovs-dpdk proposes to check that the
> DEV_RX_OFFLOAD_SCATTER flag is present in rte_ethdev_info.rx_offload_capa
> before setting scatter_rx.
> >
> > https://mail.openvswitch.org/pipermail/ovs-dev/2018-April/345901.html
> >
> > While testing igb and ixgbe devices I spotted the DEV_RX_OFFLOAD_SCATTER
> flag is not set in rx_offload_capa.
> >
> > As these devices require scatter_rx, should the scatter_rx flag be set
> for them as part of the eth_igb_infos_get() for igb and ixgbe_dev_info_get
> for ixgbe?
> 
> I agree, since that offload is supported by PMD, should be in capability
> flag.
> Would you mind sending a patch for it, we can continue to discuss on it?
> 
> Thanks,
> Ferruh

Thanks for the confirmation Ferruh, will send a patch.

Thanks
Ian