On 6/11/25 03:37, Jakub Kicinski wrote:
On Tue, 10 Jun 2025 22:18:32 +0700 Bui Quang Minh wrote:
Furthermore, we are in the zerocopy so we cannot linearize by
allocating a large enough buffer to cover the whole frame then copy the
frame data to it. That's not zerocopy anymore. Also, XDP socket z
On Tue, 3 Jun 2025 22:06:13 +0700, Bui Quang Minh
wrote:
> In virtio-net, we have not yet supported multi-buffer XDP packet in
> zerocopy mode when there is a binding XDP program. However, in that
> case, when receiving multi-buffer XDP packet, we skip the XDP program
> and return XDP_PASS. As a
On Tue, 10 Jun 2025 22:18:32 +0700 Bui Quang Minh wrote:
> >> Furthermore, we are in the zerocopy so we cannot linearize by
> >> allocating a large enough buffer to cover the whole frame then copy the
> >> frame data to it. That's not zerocopy anymore. Also, XDP socket zerocopy
> >> receive has ass
On 6/9/25 23:58, Jakub Kicinski wrote:
On Fri, 6 Jun 2025 22:48:53 +0700 Bui Quang Minh wrote:
But currently, if a multi-buffer packet arrives, it will not go through
XDP program so it doesn't increase the stats but still goes to network
stack. So I think it's not a correct behavior.
Sounds fai
On Fri, 6 Jun 2025 22:48:53 +0700 Bui Quang Minh wrote:
> >> But currently, if a multi-buffer packet arrives, it will not go through
> >> XDP program so it doesn't increase the stats but still goes to network
> >> stack. So I think it's not a correct behavior.
> > Sounds fair, but at a glance the
On 6/5/25 21:48, Jakub Kicinski wrote:
On Thu, 5 Jun 2025 21:33:26 +0700 Bui Quang Minh wrote:
On 6/5/25 18:03, Paolo Abeni wrote:
On 6/3/25 5:06 PM, Bui Quang Minh wrote:
In virtio-net, we have not yet supported multi-buffer XDP packet in
zerocopy mode when there is a binding XDP program. How
On Thu, 5 Jun 2025 21:33:26 +0700 Bui Quang Minh wrote:
> On 6/5/25 18:03, Paolo Abeni wrote:
> > On 6/3/25 5:06 PM, Bui Quang Minh wrote:
> >> In virtio-net, we have not yet supported multi-buffer XDP packet in
> >> zerocopy mode when there is a binding XDP program. However, in that
> >> case, w
On 6/5/25 18:03, Paolo Abeni wrote:
On 6/3/25 5:06 PM, Bui Quang Minh wrote:
In virtio-net, we have not yet supported multi-buffer XDP packet in
zerocopy mode when there is a binding XDP program. However, in that
case, when receiving multi-buffer XDP packet, we skip the XDP program
and return XD
On 6/4/25 23:55, Zvi Effron wrote:
On Tue, Jun 3, 2025 at 8:09 AM Bui Quang Minh wrote:
In virtio-net, we have not yet supported multi-buffer XDP packet in
zerocopy mode when there is a binding XDP program. However, in that
case, when receiving multi-buffer XDP packet, we skip the XDP program
a
On 6/3/25 5:06 PM, Bui Quang Minh wrote:
> In virtio-net, we have not yet supported multi-buffer XDP packet in
> zerocopy mode when there is a binding XDP program. However, in that
> case, when receiving multi-buffer XDP packet, we skip the XDP program
> and return XDP_PASS. As a result, the packet
On Wed, Jun 4, 2025 at 10:17 PM Bui Quang Minh wrote:
>
> On 6/4/25 07:37, Jason Wang wrote:
> > On Tue, Jun 3, 2025 at 11:07 PM Bui Quang Minh
> > wrote:
> >> In virtio-net, we have not yet supported multi-buffer XDP packet in
> >> zerocopy mode when there is a binding XDP program. However, in
On Tue, Jun 3, 2025 at 8:09 AM Bui Quang Minh wrote:
>
> In virtio-net, we have not yet supported multi-buffer XDP packet in
> zerocopy mode when there is a binding XDP program. However, in that
> case, when receiving multi-buffer XDP packet, we skip the XDP program
> and return XDP_PASS. As a res
On 6/4/25 07:37, Jason Wang wrote:
On Tue, Jun 3, 2025 at 11:07 PM Bui Quang Minh wrote:
In virtio-net, we have not yet supported multi-buffer XDP packet in
zerocopy mode when there is a binding XDP program. However, in that
case, when receiving multi-buffer XDP packet, we skip the XDP program
On Tue, Jun 3, 2025 at 11:07 PM Bui Quang Minh wrote:
>
> In virtio-net, we have not yet supported multi-buffer XDP packet in
> zerocopy mode when there is a binding XDP program. However, in that
> case, when receiving multi-buffer XDP packet, we skip the XDP program
> and return XDP_PASS. As a re
In virtio-net, we have not yet supported multi-buffer XDP packet in
zerocopy mode when there is a binding XDP program. However, in that
case, when receiving multi-buffer XDP packet, we skip the XDP program
and return XDP_PASS. As a result, the packet is passed to normal network
stack which is an in
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