[ovs-dev] [PATCHv14 2/2] netdev-afxdp: add new netdev type for AF_XDP.

Ilya Maximets i.maximets at samsung.com
Tue Jul 9 10:57:40 UTC 2019



On 09.07.2019 13:34, Eelco Chaudron wrote:
> 
> 
> On 9 Jul 2019, at 12:21, Ilya Maximets wrote:
> 
>> On 09.07.2019 12:56, Eelco Chaudron wrote:
>>> Hi William,
>>>
>>> I tried running my PVP test, and with this patchset, I could not see the deadlock I used to see with all the previous patches.
>>>
>>> However there is still the issue that the maximum packet size supported is 1028 bytes, all larger packets are dropped!!
>>
>> I tested this patch with packets up to 1460 with iperf over the veth pair
>> and it works fine. Most likely, you caught some kernel driver issue.
> 
> Quickly tried the port to port test, and I see the issue there. So I assume it’s related to the physical port, which in my case is the following:
> 
> Bus info          Device       Class          Description
> =========================================================
> pci at 0000:01:00.0  eno1         network        82599ES 10-Gigabit SFI/SFP+ Network Connection
> 
> I’m using the bpd-next tree @ commit 80f232121b69cc69a31ccb2b38c1665d770b0710

Your branch is kind of old. It might be better to update.

> 
>>
>>>
>>> Unfortunately, I’m going on PTO Thursday till August so won’t be able to further test/review the v14. I’ll pick thinks up once I return from PTO.
>>>
>>> Cheers,
>>>
>>> Eelco
>>>
> 
> 


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