Displaying 7 results from an estimated 7 matches for "vdpa0".
Did you mean:
vdpa
2022 Oct 21
5
[PATCH v3 0/4] vDPA: initial config export via "vdpa dev show"
...and that usually goes with the live value in
the device config space, and is not reliable subject to the dynamics
of feature negotiation or possible change by driver to the config
space.
Examples:
1) Create vDPA by default without any config attribute
$ vdpa dev add mgmtdev pci/0000:41:04.2 name vdpa0
$ vdpa dev show vdpa0
vdpa0: type network mgmtdev pci/0000:41:04.2 vendor_id 5555 max_vqs 9 max_vq_size 256
$ vdpa dev -jp show vdpa0
{
"dev": {
"vdpa0": {
"type": "network",
"mgmtdev": "pci/0000:41:04.2"...
2023 Mar 22
1
[PATCH v4 1/2] vdpa/mlx5: Make VIRTIO_NET_F_MRG_RXBUF off by default
...G_RXBUF. Users who favor memory saving over packet rate could enable
> this feature but we want to keep it off by default.
>
> One can still enable it when creating the vdpa device using vdpa tool by
> providing features that include it.
>
> For example:
> $ vdpa dev add name vdpa0 mgmtdev pci/0000:86:00.2 device_features 0x300cb982b
>
>
> Acked-by: Jason Wang <jasowang at redhat.com>
> Signed-off-by: Eli Cohen <elic at nvidia.com>
I have a question. Could you guys try with the recent XDP mergeable
buffer rework? Does this address the performance i...
2023 Mar 13
1
[PATCH 1/2] vdpa/mlx5: Make VIRTIO_NET_F_MRG_RXBUF off by default
...t; > > > One can still enable it when creating the vdpa device using
> > > > > > > vdpa tool by providing features that include it.
> > > > > > >
> > > > > > > For example:
> > > > > > > $ vdpa dev add name vdpa0 mgmtdev pci/0000:86:00.2
> > > > > > > device_features 0x300cb982b
> > > > > > >
> > > > > > > Signed-off-by: Eli Cohen <elic at nvidia.com>
> > > > > > What's the reason to turn it off by default? It's g...
2023 Mar 12
0
[PATCH 1/2] vdpa/mlx5: Make VIRTIO_NET_F_MRG_RXBUF off by default
On Sun, Mar 12, 2023 at 10:39:19AM +0200, Eli Cohen wrote:
> One can still enable it when creating the vdpa device using vdpa tool by
> providing features that include it.
>
> For example:
> $ vdpa dev add name vdpa0 mgmtdev pci/0000:86:00.2 device_features 0x300cb982b
>
> Signed-off-by: Eli Cohen <elic at nvidia.com>
What's the reason to turn it off by default? It's generally a
performance win isn't it?
> ---
> drivers/vdpa/mlx5/net/mlx5_vnet.c | 2 ++
> 1 file changed, 2...
2023 Mar 12
0
[PATCH 1/2] vdpa/mlx5: Make VIRTIO_NET_F_MRG_RXBUF off by default
...irkin wrote:
> > On Sun, Mar 12, 2023 at 10:39:19AM +0200, Eli Cohen wrote:
> > > One can still enable it when creating the vdpa device using vdpa tool by
> > > providing features that include it.
> > >
> > > For example:
> > > $ vdpa dev add name vdpa0 mgmtdev pci/0000:86:00.2 device_features 0x300cb982b
> > >
> > > Signed-off-by: Eli Cohen <elic at nvidia.com>
> > What's the reason to turn it off by default? It's generally a
> > performance win isn't it?
> It has negative impact on packet rate...
2023 Mar 12
0
[PATCH 1/2] vdpa/mlx5: Make VIRTIO_NET_F_MRG_RXBUF off by default
...:39:19AM +0200, Eli Cohen wrote:
> > > > > One can still enable it when creating the vdpa device using vdpa
> > > > > tool by providing features that include it.
> > > > >
> > > > > For example:
> > > > > $ vdpa dev add name vdpa0 mgmtdev pci/0000:86:00.2 device_features
> > > > > 0x300cb982b
> > > > >
> > > > > Signed-off-by: Eli Cohen <elic at nvidia.com>
> > > > What's the reason to turn it off by default? It's generally a
> > > > performan...
2023 Mar 13
0
[PATCH 1/2] vdpa/mlx5: Make VIRTIO_NET_F_MRG_RXBUF off by default
..., Mar 12, 2023 at 10:39:19AM +0200, Eli Cohen wrote:
>>>>> One can still enable it when creating the vdpa device using vdpa
>>>>> tool by providing features that include it.
>>>>>
>>>>> For example:
>>>>> $ vdpa dev add name vdpa0 mgmtdev pci/0000:86:00.2 device_features
>>>>> 0x300cb982b
>>>>>
>>>>> Signed-off-by: Eli Cohen <elic at nvidia.com>
>>>> What's the reason to turn it off by default? It's generally a
>>>> performance win isn't i...