On 8/30/23 18:25, Ilya Maximets wrote:
> On 8/30/23 18:17, David Marchand wrote:
>> On Wed, Aug 30, 2023 at 6:09 PM Ilya Maximets <[email protected]> wrote:
>>>
>>> On 8/30/23 18:02, David Marchand wrote:
>>>> On Wed, Aug 30, 2023 at 1:45 PM Ilya Maximets <[email protected]> wrote:
>>>>>> +# Fake a veth by creating a tap on kernel side and plug it in OVS using 
>>>>>> the
>>>>>> +# net/tap DPDK driver.
>>>>>
>>>>> Why do we need to fake a veth?  It looks strange to me and also error 
>>>>> prone
>>>>> as taps do not behave like veths in some cases.  Can we just have a veth 
>>>>> and
>>>>> open it with af_packet ports like all other testsuites do?
>>>>
>>>> When you suggest af_packet port, I suppose you mean netdev-afxdp ports.
>>>
>>> No, I meant DPDK's drivers/net/af_packet/rte_eth_af_packet.c.
>>
>> That's something I can investigate, though it's been a long time (in a
>> previous life) since I played with it.
>> In comparison net/tap seems widely used to me.
> 
> That didn't save it from having completely broken checksum offloading.
> I suppose both the tap and af_packet can be tested in DPDK's CI.

(I meant CI of the DPDK project)

> 
> The net/af_xdp DPDK driver might be a better maintained alternative as well,
> I guess.
> 
> Best regards, Ilya Maximets.

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