On Fri, Apr 21, 2017 at 02:45:17PM -0700, Ansis Atteka wrote:
>
> I removed Geneve tunneling from equation and tried to run a simple
> iperf underlay UDP test while IPsec was still enabled to observe
> issues with the udp4_ufo_fragment() case.
>
> Unfortunately, as can be seen from kernel tracer
On 20 April 2017 at 02:47, Steffen Klassert
wrote:
> On Tue, Apr 18, 2017 at 07:10:03PM -0700, Ansis Atteka wrote:
>>
>> However, after taking pointers from your patch I came up with this one
>> that may solve this problem once and for all (note, that I was seeing
>> this bug only with ixgbe NIC t
On Tue, Apr 18, 2017 at 07:10:03PM -0700, Ansis Atteka wrote:
>
> However, after taking pointers from your patch I came up with this one
> that may solve this problem once and for all (note, that I was seeing
> this bug only with ixgbe NIC that supports tx csum offloads). I hope
> it does not brea
On 18 April 2017 at 02:09, Steffen Klassert
wrote:
> On Thu, Apr 13, 2017 at 07:45:08PM -0700, Ansis Atteka wrote:
>> On 11 April 2017 at 00:07, Steffen Klassert
>> wrote:
>> >
>> > What's wrong with the checksum provided by the GSO layer and
>> > why we have to do this unconditionally here?
>> >
On Thu, Apr 13, 2017 at 07:45:08PM -0700, Ansis Atteka wrote:
> On 11 April 2017 at 00:07, Steffen Klassert
> wrote:
> >
> > What's wrong with the checksum provided by the GSO layer and
> > why we have to do this unconditionally here?
> >
>
> I believe with "GSO layer" you meant the skb_gso_segme
On 13 April 2017 at 19:45, Ansis Atteka wrote:
>
>
>
> On 11 April 2017 at 00:07, Steffen Klassert
> wrote:
>>
>> On Mon, Apr 10, 2017 at 11:42:07AM -0700, Ansis Atteka wrote:
>> > Otherwise, if L4 checksum calculation is done after encryption,
>> > then all ESP packets end up being corrupted at
On Mon, Apr 10, 2017 at 11:42:07AM -0700, Ansis Atteka wrote:
> Otherwise, if L4 checksum calculation is done after encryption,
> then all ESP packets end up being corrupted at the location
> where pre-encryption L4 checksum field resides.
>
> One of the ways to reproduce this bug is to have a VM
Otherwise, if L4 checksum calculation is done after encryption,
then all ESP packets end up being corrupted at the location
where pre-encryption L4 checksum field resides.
One of the ways to reproduce this bug is to have a VM with virtio_net
driver (UFO set to ON in the guest VM); and then encapsu
