Thanks Benoit for the information.
Regards
-Prashant
On Tue, Sep 29, 2020 at 3:14 PM Benoit Ganne (bganne) wrote:
>
> Hi Prashant,
>
> > 1. What is the expected performance benefit if RDMA driver is used in
> > VPP instead of DPDK driver ?
>
> - out-of-the-box support for Mellanox CX4/5 NIC in VPP. DPDK Mellanox
> support is not compiled by default in VPP, but you can enable it by adding
> DPDK_MLX[4|5]_PMD=y in your env when building VPP dependencies, however it is
> harder for us to support than RDMA driver
> - dynamic interfaces creation/deletion at runtime, contrary to DPDK where
> everything must be configured at init time (and any config change requires a
> restart)
> - does not require hugepages which simplifies deployment esp. in containers
>
> > 2. Which NIC's are supported with RDMA driver in VPP ?
>
> Mellanox CX4 and CX5. CX6 should be supported too but has not been widely
> tested.
>
> > Conversely are there any NIC's which are supported by DPDK
> > driver in VPP which are not supported by RDMA ?
>
> Of course: ark, atlantic, avp, axgbe, bnxt, cxgbe, dpaa2, e1000, ena, enetc,
> enic, fm10k, hinic, hns3, ice, igc, ixgbe, netvsc, nfp, octeontx, octeontx2,
> vdev_netvsc to name a few.
>
> ben
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