Re: Redirect from NIC to TAP

On 2021/2/10 下午7:35, Jesper Dangaard Brouer wrote:
> On Wed, 10 Feb 2021 11:42:10 +0800
> Jason Wang <[email protected]> wrote:
>
>> On 2021/2/9 下午5:26, Radu Stoenescu wrote:
>>> Hello
>>>
>>> My physical NIC is a Netronome (I can come back with exact model type
>>> and driver version).
>>>
>>> Redirect NIC to TAP doesn't work when XDP is attached in driver mode.
>>> It works when they are both in generic mode. I haven't tried other
>>> combinations of attachment modes (one driver, other generic etc.).
>>
>> It should work. I tested with i40e/ixgbe/mlx4 in the past.
>>
>> What eBPF program did you use? (Is it the one in samples/bpf?)
>>
>> I would test it by myself.
>>
>> (It's near to spring festival, so I can only check after the holiday).
> As Maciej Fijalkowski pointed out:
>   "Looks like Netronome driver still doesn't support XDP_REDIRECT in native
> mode."
>
> So, that is likely the problem.


I see.

Thanks