26/03/2020 22:11, Thomas Monjalon:
> 06/03/2020 01:45, Liwu Liu:
> > Hi Team,
> > 
> > I am using the mlx5/100G in KVM guest. The host shows this PCI vfNIC is 
> > provisioned to the guest:
> >       "17:01.1 Ethernet controller: Mellanox Technologies MT27800 Family 
> > [ConnectX-5 Virtual Function]"
> > 
> > I am using DPDK 19.11 with kind of standard configurations, and when DPDK 
> > application runs I still have the kernel mlx5e net device present. I have 
> > both promiscuous and all-multicast turned on.
> > 
> > It works fine for IPV4, but for IPV6 it fails. It can receive packets 
> > destined to 33:33:00:00:00:02 (IPV6 Router solicitation), but cannot 
> > receive packets destined to 33:33:ff:00:00:01 (IPV6 neighbor solicitation 
> > for some address).
> > 
> > But if I avoid DPDK, directly use the OFED-4.6 based kernel driver, 
> > everything works fine as expected.
> > 
> > I am thinking there is some mismatch happened for MLX5 PMD. Please give 
> > some advice/hints.
> 
> Adding Mellanox engineers in Cc list for help.

Any update to share please?


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