On 2020/12/23 下午8:14, Yongji Xie wrote:
On Wed, Dec 23, 2020 at 5:05 PM Jason Wang wrote:
On 2020/12/22 下午10:52, Xie Yongji wrote:
To support vhost-vdpa bus driver, we need a way to share the
vhost-vdpa backend process's memory with the userspace VDUSE process.
This patch tries to
On 2020/12/23 下午10:17, Yongji Xie wrote:
On Wed, Dec 23, 2020 at 4:08 PM Jason Wang wrote:
On 2020/12/22 下午10:52, Xie Yongji wrote:
This VDUSE driver enables implementing vDPA devices in userspace.
Both control path and data path of vDPA devices will be able to
be handled in userspace.
In
On 2020/12/24 上午10:25, wangyunjian wrote:
From: Yunjian Wang
Currently the driver doesn't drop a packet which can't be sent by tun
(e.g bad packet). In this case, the driver will always process the
same packet lead to the tx queue stuck.
To fix this issue:
1. in the case of persistent failur
On 2020/12/24 下午12:37, wangyunjian wrote:
-Original Message-
From: Jason Wang [mailto:jasow...@redhat.com]
Sent: Thursday, December 24, 2020 11:10 AM
To: wangyunjian ; netdev@vger.kernel.org;
m...@redhat.com; willemdebruijn.ker...@gmail.com
Cc: virtualizat...@lists.linux-foundation.org
On 2020/12/24 下午5:09, wangyunjian wrote:
-EAGAIN and -ENOBFS are fine. But I don't see how -ENOMEM can be returned.
The tun_build_skb() and tun_napi_alloc_frags() return -ENOMEM when memory
allocation fails.
Thanks
You're right. So I think we need check them all.
In the future, we need th
();
skb = napi_get_frags(&tfile->napi);
Acked-by: Jason Wang
issue, we only call vhost_net_ubuf_put()
when vq->heads[nvq->desc].len == VHOST_DMA_IN_PROGRESS.
Fixes: 0690899b4d45 ("tun: experimental zero copy tx support")
Signed-off-by: Yunjian Wang
Acked-by: Willem de Bruijn
Acked-by: Michael S. Tsirkin
Acked-by: Jason Wang
---
dri
On 2020/12/24 下午3:37, Yongji Xie wrote:
On Thu, Dec 24, 2020 at 10:41 AM Jason Wang wrote:
On 2020/12/23 下午8:14, Yongji Xie wrote:
On Wed, Dec 23, 2020 at 5:05 PM Jason Wang wrote:
On 2020/12/22 下午10:52, Xie Yongji wrote:
To support vhost-vdpa bus driver, we need a way to share the
On 2020/12/24 下午4:34, Yongji Xie wrote:
Yes, the disadvantage is the performance. But it should be simpler (I
guess) and we know it can succeed.
Yes, another advantage is that we can support the VM using anonymous memory.
Exactly.
I think I can try this in v3. And the
MMU-based IOMMU
On 2020/12/25 上午10:37, Yongji Xie wrote:
On Thu, Dec 24, 2020 at 3:37 PM Yongji Xie wrote:
On Thu, Dec 24, 2020 at 10:41 AM Jason Wang wrote:
On 2020/12/23 下午8:14, Yongji Xie wrote:
On Wed, Dec 23, 2020 at 5:05 PM Jason Wang wrote:
On 2020/12/22 下午10:52, Xie Yongji wrote:
To support
On 2020/12/25 下午6:31, Yongji Xie wrote:
On Fri, Dec 25, 2020 at 2:58 PM Jason Wang wrote:
On 2020/12/24 下午3:37, Yongji Xie wrote:
On Thu, Dec 24, 2020 at 10:41 AM Jason Wang wrote:
On 2020/12/23 下午8:14, Yongji Xie wrote:
On Wed, Dec 23, 2020 at 5:05 PM Jason Wang wrote:
On 2020/12/22
On 2020/12/28 下午4:14, Yongji Xie wrote:
I see. So all the above two questions are because VHOST_IOTLB_INVALIDATE
is expected to be synchronous. This need to be solved by tweaking the
current VDUSE API or we can re-visit to go with descriptors relaying first.
Actually all vdpa related operatio
- Original Message -
> On Mon, Dec 28, 2020 at 4:43 PM Jason Wang wrote:
> >
> >
> > On 2020/12/28 下午4:14, Yongji Xie wrote:
> > >> I see. So all the above two questions are because VHOST_IOTLB_INVALIDATE
> > >> is expected to be synchr
- Original Message -
> On Mon, Dec 28, 2020 at 7:55 PM Michael S. Tsirkin wrote:
> >
> > On Mon, Dec 28, 2020 at 02:30:31PM -0500, Willem de Bruijn wrote:
> > > On Mon, Dec 28, 2020 at 12:29 PM Michael S. Tsirkin
> > > wrote:
> > > >
> > > > On Mon, Dec 28, 2020 at 11:22:32AM -0500, Wi
On 2020/12/29 下午3:28, Eli Cohen wrote:
@@ -43,6 +43,8 @@ struct vdpa_vq_state {
* @index: device index
* @features_valid: were features initialized? for legacy guests
* @nvqs: the number of virtqueues
+ * @ngroups: the number of virtqueue groups
+ * @nas: the number of address spaces
On 2020/12/29 下午3:28, Eli Cohen wrote:
@@ -43,6 +43,8 @@ struct vdpa_vq_state {
* @index: device index
* @features_valid: were features initialized? for legacy guests
* @nvqs: the number of virtqueues
+ * @ngroups: the number of virtqueue groups
+ * @nas: the number of address spaces
On 2020/12/29 下午6:20, Eli Cohen wrote:
-static int vhost_process_iotlb_msg(struct vhost_dev *dev,
+static int vhost_process_iotlb_msg(struct vhost_dev *dev, u16 asid,
struct vhost_iotlb_msg *msg)
{
int ret = 0;
+ if (asid != 0)
+ re
On 2020/12/29 下午6:26, Yongji Xie wrote:
On Tue, Dec 29, 2020 at 5:11 PM Jason Wang wrote:
- Original Message -
On Mon, Dec 28, 2020 at 4:43 PM Jason Wang wrote:
On 2020/12/28 下午4:14, Yongji Xie wrote:
I see. So all the above two questions are because VHOST_IOTLB_INVALIDATE
is
On 2020/12/29 下午7:41, Eli Cohen wrote:
On Wed, Dec 16, 2020 at 02:48:08PM +0800, Jason Wang wrote:
This patch converts the vhost-vDPA device to support multiple IOTLBs
tagged via ASID via hlist. This will be used for supporting multiple
address spaces in the following patches.
Signed-off-by
On 2020/12/29 下午8:05, Eli Cohen wrote:
+
+static int vhost_vdpa_remove_as(struct vhost_vdpa *v, u32 asid)
The return value is never interpreted. I think it should either be made
void or return values checked.
Right, will make it void.
+{
+ struct vhost_vdpa_as *as = asid_to_as(v,
On 2020/12/29 下午7:53, Eli Cohen wrote:
+
+static struct vhost_vdpa_as *vhost_vdpa_alloc_as(struct vhost_vdpa *v, u32
asid)
+{
+ struct hlist_head *head = &v->as[asid % VHOST_VDPA_IOTLB_BUCKETS];
+ struct vhost_vdpa_as *as;
+
+ if (asid_to_as(v, asid))
+ return N
On 2020/12/29 下午8:24, Eli Cohen wrote:
On Wed, Dec 16, 2020 at 02:48:09PM +0800, Jason Wang wrote:
Follows the vDPA support for multiple address spaces, this patch
introduce uAPI for the userspace to know the number of virtqueue
groups supported by the vDPA device.
Can you explain what
On 2020/12/29 下午10:20, Willem de Bruijn wrote:
On Tue, Dec 29, 2020 at 4:23 AM Jason Wang wrote:
- Original Message -
On Mon, Dec 28, 2020 at 7:55 PM Michael S. Tsirkin wrote:
On Mon, Dec 28, 2020 at 02:30:31PM -0500, Willem de Bruijn wrote:
On Mon, Dec 28, 2020 at 12:29 PM
On 2020/12/30 下午3:09, Yongji Xie wrote:
On Wed, Dec 30, 2020 at 2:11 PM Jason Wang wrote:
On 2020/12/29 下午6:26, Yongji Xie wrote:
On Tue, Dec 29, 2020 at 5:11 PM Jason Wang wrote:
- Original Message -
On Mon, Dec 28, 2020 at 4:43 PM Jason Wang wrote:
On 2020/12/28 下午4:14
On 2020/12/29 上午8:57, Willem de Bruijn wrote:
On Mon, Dec 28, 2020 at 5:59 PM Jakub Kicinski wrote:
On Mon, 28 Dec 2020 11:22:32 -0500 Willem de Bruijn wrote:
From: Willem de Bruijn
Add optional PTP hardware timestamp offload for virtio-net.
Accurate RTT measurement requires timestamps cl
On 2020/12/30 下午6:05, Eli Cohen wrote:
On Wed, Dec 16, 2020 at 02:48:09PM +0800, Jason Wang wrote:
Follows the vDPA support for multiple address spaces, this patch
introduce uAPI for the userspace to know the number of virtqueue
groups supported by the vDPA device.
Signed-off-by: Jason Wang
On 2020/12/30 下午6:12, Yongji Xie wrote:
On Wed, Dec 30, 2020 at 4:41 PM Jason Wang wrote:
On 2020/12/30 下午3:09, Yongji Xie wrote:
On Wed, Dec 30, 2020 at 2:11 PM Jason Wang wrote:
On 2020/12/29 下午6:26, Yongji Xie wrote:
On Tue, Dec 29, 2020 at 5:11 PM Jason Wang wrote:
- Original
On 2020/12/31 下午1:15, Yongji Xie wrote:
On Thu, Dec 31, 2020 at 10:49 AM Jason Wang wrote:
On 2020/12/30 下午6:12, Yongji Xie wrote:
On Wed, Dec 30, 2020 at 4:41 PM Jason Wang wrote:
On 2020/12/30 下午3:09, Yongji Xie wrote:
On Wed, Dec 30, 2020 at 2:11 PM Jason Wang wrote:
On 2020/12/29
On 2020/12/31 下午2:52, Yongji Xie wrote:
On Thu, Dec 31, 2020 at 1:50 PM Jason Wang wrote:
On 2020/12/31 下午1:15, Yongji Xie wrote:
On Thu, Dec 31, 2020 at 10:49 AM Jason Wang wrote:
On 2020/12/30 下午6:12, Yongji Xie wrote:
On Wed, Dec 30, 2020 at 4:41 PM Jason Wang wrote:
On 2020/12/30
ESC(macaddr, "Ethernet MAC address");
-u8 macaddr_buf[ETH_ALEN];
+static u8 macaddr_buf[ETH_ALEN];
static struct vdpasim *vdpasim_net_dev;
Acked-by: Jason Wang
:
supported_classes:
net
Example of showing vdpa management device in JSON format.
$ vdpa mgmtdev show -jp
{
"show": {
"vdpasim_net": {
"supported_classes": [ "net" ]
}
}
}
Signed-off-by: Parav Pandit
Review
On 2021/1/4 上午11:31, Parav Pandit wrote:
static int __init vdpasim_net_init(void)
{
int ret = 0;
@@ -176,6 +264,8 @@ static int __init vdpasim_net_init(void)
if (default_device)
ret = vdpasim_net_default_dev_register();
+ else
+ ret = vdpas
On 2021/1/4 下午3:21, Parav Pandit wrote:
From: Jason Wang
Sent: Monday, January 4, 2021 12:35 PM
On 2021/1/4 上午11:31, Parav Pandit wrote:
static int __init vdpasim_net_init(void)
{
int ret = 0;
@@ -176,6 +264,8 @@ static int __init vdpasim_net_init(void)
if
On 2021/1/4 下午3:24, Parav Pandit wrote:
From: Jason Wang
Sent: Monday, January 4, 2021 12:33 PM
On 2021/1/4 上午11:31, Parav Pandit wrote:
To add one or more VDPA devices, define a management device which
allows adding or removing vdpa device. A management device defines set
of callbacks to
On 2021/1/4 下午6:04, Stefan Hajnoczi wrote:
On Wed, Dec 16, 2020 at 02:48:03PM +0800, Jason Wang wrote:
This patch introduces virtqueue groups to vDPA device. The virtqueue
group is the minimal set of virtqueues that must share an address
space. And the adddress space identifier could only be
On 2021/1/5 下午2:33, Parav Pandit wrote:
From: Jason Wang
Sent: Tuesday, January 5, 2021 9:40 AM
On 2021/1/4 下午3:24, Parav Pandit wrote:
From: Jason Wang
Sent: Monday, January 4, 2021 12:33 PM
On 2021/1/4 上午11:31, Parav Pandit wrote:
To add one or more VDPA devices, define a management
On 2021/1/5 下午5:11, Xuan Zhuo wrote:
The first patch made some adjustments to xsk.
Thanks a lot for the work. It's rather interesting.
The second patch itself can be used as an independent patch to solve the problem
that XDP may fail to load when the number of queues is insufficient.
On 2021/1/5 下午8:42, Xuan Zhuo wrote:
On Tue, 5 Jan 2021 17:32:19 +0800, Jason Wang wrote:
On 2021/1/5 下午5:11, Xuan Zhuo wrote:
The first patch made some adjustments to xsk.
Thanks a lot for the work. It's rather interesting.
The second patch itself can be used as an independent
On 2021/1/6 上午10:55, Xuan Zhuo wrote:
On Wed, 6 Jan 2021 10:46:43 +0800, Jason Wang wrote:
On 2021/1/5 下午8:42, Xuan Zhuo wrote:
On Tue, 5 Jan 2021 17:32:19 +0800, Jason Wang wrote:
On 2021/1/5 下午5:11, Xuan Zhuo wrote:
The first patch made some adjustments to xsk.
Thanks a lot for the
On 2021/1/6 下午5:05, Eli Cohen wrote:
map_direct_mr() assumed that the number of scatter/gather entries
returned by dma_map_sg_attrs() was equal to the number of segments in
the sgl list. This led to wrong population of the mkey object. Fix this
by properly referring to the returned value.
In a
each s/g entry.
In addition, get rid of fill_sg() which effect is overwritten by
populate_mtts().
Fixes: 94abbccdf291 ("vdpa/mlx5: Add shared memory registration code")
Signed-off-by: Eli Cohen
---
V0->V1:
1. Fix typos
2. Improve changelog
Acked-by: Jason Wang
drivers/vdpa
On 2021/1/9 上午10:49, Charlie Somerville wrote:
This patch series introduces a new flag XDP_FLAGS_NO_TX which prevents
the allocation of additional send queues for XDP programs.
This part I don't understand. Is such flag a must? I think the answer is
probably not.
Why not simply do:
1) if
On 2021/1/11 下午8:26, Eli Cohen wrote:
On Wed, Dec 16, 2020 at 02:48:18PM +0800, Jason Wang wrote:
This patch introduces the control virtqueue support for vDPA
simulator. This is a requirement for supporting advanced features like
multiqueue.
A requirement for control virtqueue is to isolate
t;issue"
Fixes: 776f395004d82 ("vhost_vdpa: Support config interrupt in vdpa")
Acked-by: Jason Wang
Please post a V2 with the above fixed and cc stable.
Thanks
Signed-off-by: Cindy Lu
---
drivers/vhost/vdpa.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/
ll issue pointed out by Jakub.
Acked-by: Jason Wang
On 2020/10/20 上午1:32, Michael S. Tsirkin wrote:
This reverts commit 3618ad2a7c0e78e4258386394d5d5f92a3dbccf8.
When the device does not have a control vq (e.g. when using a
version of QEMU based on upstream v0.10 or older, or when specifying
ctrl_vq=off,ctrl_rx=off,ctrl_vlan=off,ctrl_rx_extra=o
On 2020/10/19 下午5:06, Zhenzhong Duan wrote:
If Post interrupt is disabled due to hardware limit or forcely disabled
by "intremap=nopost" parameter, return -EINVAL so that the legacy mode IRQ
isn't registered as IRQ bypass producer.
Is there any side effect if it was still registered?
Wit
On 2020/10/19 下午5:06, Zhenzhong Duan wrote:
In case failure to setup Post interrupt for an IRQ, it make no sense
to assign irqfd->producer to the producer.
This change makes code more robust.
It's better to describe what issue we will get without this patch.
Thanks
Signed-off-by: Zhenz
On 2020/10/20 下午3:44, Eli Cohen wrote:
On Tue, Oct 20, 2020 at 10:03:00AM +0800, Jason Wang wrote:
On 2020/10/19 下午5:07, we...@ucloud.cn wrote:
From: wenxu
Qemu get virtio_net_config from the vdpa driver. So The vdpa driver
should set the VIRTIO_NET_S_LINK_UP flag to virtio_net_config like
have a control vq, everything breaks.
Revert the original commit for now.
Cc: Tonghao Zhang
Cc: Willem de Bruijn
Fixes: 3618ad2a7c0e7 ("virtio-net: ethtool configurable RXCSUM")
Reported-by: kernel test robot
Signed-off-by: Michael S. Tsirkin
---
Acked-by: Jason Wang
Same patch
ck(&vq->call_ctx.ctx_lock);
}
Acked-by: Jason Wang
-vdpa: fix backend feature ioctls")
Signed-off-by: Dan Carpenter
Acked-by: Michael S. Tsirkin
Needed for stable I guess.
Agree.
Acked-by: Jason Wang
---
drivers/vhost/vdpa.c | 10 +-
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/vhost/vdpa.c b/drive
On 2020/10/28 下午10:20, Eli Cohen wrote:
Both irq_bypass_register_producer() and irq_bypass_unregister_producer()
require process context to run. Change the call context lock from
spinlock to mutex to protect the setup process to avoid deadlocks.
Fixes: 265a0ad8731d ("vhost: introduce vhost_vri
On 2020/10/29 下午3:37, Eli Cohen wrote:
On Thu, Oct 29, 2020 at 03:03:24PM +0800, Jason Wang wrote:
On 2020/10/28 下午10:20, Eli Cohen wrote:
Both irq_bypass_register_producer() and irq_bypass_unregister_producer()
require process context to run. Change the call context lock from
spinlock to
On 2020/10/29 下午3:50, Eli Cohen wrote:
On Thu, Oct 29, 2020 at 03:39:24PM +0800, Jason Wang wrote:
On 2020/10/29 下午3:37, Eli Cohen wrote:
On Thu, Oct 29, 2020 at 03:03:24PM +0800, Jason Wang wrote:
On 2020/10/28 下午10:20, Eli Cohen wrote:
Both irq_bypass_register_producer() and
On 2020/10/30 上午1:43, Stefano Garzarella wrote:
This patch enables the IOTLB API support for vhost-vsock devices,
allowing the userspace to emulate an IOMMU for the guest.
These changes were made following vhost-net, in details this patch:
- exposes VIRTIO_F_ACCESS_PLATFORM feature and inits t
On 2020/10/30 下午6:54, Stefano Garzarella wrote:
On Fri, Oct 30, 2020 at 06:02:18PM +0800, Jason Wang wrote:
On 2020/10/30 上午1:43, Stefano Garzarella wrote:
This patch enables the IOTLB API support for vhost-vsock devices,
allowing the userspace to emulate an IOMMU for the guest.
These
On 2020/11/3 上午1:11, Stefano Garzarella wrote:
On Fri, Oct 30, 2020 at 07:44:43PM +0800, Jason Wang wrote:
On 2020/10/30 下午6:54, Stefano Garzarella wrote:
On Fri, Oct 30, 2020 at 06:02:18PM +0800, Jason Wang wrote:
On 2020/10/30 上午1:43, Stefano Garzarella wrote:
This patch enables the
在 2021/4/16 下午2:29, Xuan Zhuo 写道:
On Fri, 16 Apr 2021 13:35:33 +0800, Jason Wang wrote:
在 2021/4/15 下午6:27, Xuan Zhuo 写道:
On Wed, 14 Apr 2021 13:46:45 +0800, Jason Wang wrote:
在 2021/4/13 上午11:15, Xuan Zhuo 写道:
This patch implements the core part of xsk zerocopy xmit.
When the user
received quantity displayed by
sar -n DEV 1:
no build_skb: 956864.00 rxpck/s
build_skb:1158465.00 rxpck/s
I suggess to test the case of XDP_PASS in this case as well.
Signed-off-by: Xuan Zhuo
Suggested-by: Jason Wang
---
v3: fix the truesize when headroom > 0
v2: conflict resol
在 2021/4/16 下午3:16, Zhu Lingshan 写道:
This commit deduces VIRTIO device ID as device type when probe,
then ifcvf_vdpa_get_device_id() can simply return the ID.
ifcvf_vdpa_get_features() and ifcvf_vdpa_get_config_size()
can work properly based on the device ID.
Signed-off-by: Zhu Lingshan
---
在 2021/4/16 下午3:16, Zhu Lingshan 写道:
This commit enabled Intel FPGA SmartNIC C5000X-PL virtio-block
for vDPA.
Signed-off-by: Zhu Lingshan
Acked-by: Jason Wang
---
drivers/vdpa/ifcvf/ifcvf_base.h | 8 +++-
drivers/vdpa/ifcvf/ifcvf_main.c | 19 ++-
2 files
在 2021/4/16 下午3:16, Zhu Lingshan 写道:
get_config_size() should return the size based on the decected
device type.
Signed-off-by: Zhu Lingshan
Acked-by: Jason Wang
---
drivers/vdpa/ifcvf/ifcvf_main.c | 19 ++-
1 file changed, 18 insertions(+), 1 deletion(-)
diff
of the machine is 100%, we observe the received quantity displayed by
sar -n DEV 1:
no build_skb: 956864.00 rxpck/s
build_skb: 1158465.00 rxpck/s
Signed-off-by: Xuan Zhuo
Suggested-by: Jason Wang
---
v3: fix the truesize when headroom > 0
v2: conflict resolution
drivers/n
在 2021/4/20 上午10:38, Jason Wang 写道:
:
+ /* hdr_valid means no XDP, so we can copy the vnet header */
+ if (hdr_valid) {
+ hdr = skb_vnet_hdr(skb);
+ memcpy(hdr, hdr_p, hdr_len);
and hdr_p is dereferenced here.
Right, I tend to recover the way to copy hdr and set meta
在 2021/4/20 上午12:48, David Ahern 写道:
On 4/16/21 2:16 AM, Xuan Zhuo wrote:
In page_to_skb(), if we have enough tailroom to save skb_shared_info, we
can use build_skb to create skb directly. No need to alloc for
additional space. And it can save a 'frags slot', which is very friendly
to GRO.
He
Acked-by: Jason Wang
---
drivers/vdpa/ifcvf/ifcvf_base.h | 1 +
drivers/vdpa/ifcvf/ifcvf_main.c | 27 +++
2 files changed, 16 insertions(+), 12 deletions(-)
diff --git a/drivers/vdpa/ifcvf/ifcvf_base.h b/drivers/vdpa/ifcvf/ifcvf_base.h
index b2eeb16b9c2c
On Thu, Nov 2, 2023 at 9:10 PM Heng Qi wrote:
>
> This patch separates the rx and tx global coalescing moderation
> commands to support netdim switches in subsequent patches.
>
> Signed-off-by: Heng Qi
Acked-by: Jason Wang
Thanks
> ---
> v1->v2:
> - Add '
On Thu, Nov 2, 2023 at 9:10 PM Heng Qi wrote:
>
> By comparing the traffic information in the complete napi processes,
> let the virtio-net driver automatically adjust the coalescing
> moderation parameters of each receive queue.
>
> Signed-off-by: Heng Qi
> ---
> v1->v2:
> - Improved the judgmen
On Thu, Nov 2, 2023 at 9:10 PM Heng Qi wrote:
>
> We do not currently support tx dim, so respond to -EOPNOTSUPP.
>
> Signed-off-by: Heng Qi
> ---
> v1->v2:
> - Use -EOPNOTSUPP instead of specific implementation.
>
> drivers/net/virtio_net.c | 29 ++---
> 1 file changed, 2
Xuan Zhuo
> ---
Acked-by: Jason Wang
Thanks
On Tue, Nov 7, 2023 at 11:13 AM Xuan Zhuo wrote:
>
> We move some structures to the header file, but these structures do not
> prefixed with virtnet. This patch adds virtnet for these.
>
> Signed-off-by: Xuan Zhuo
> ---
Acked-by: Jason Wang
Thanks
On Tue, Nov 7, 2023 at 11:12 AM Xuan Zhuo wrote:
>
> If the xsk is enabling, the xsk tx will share the send queue.
> But the xsk requires that the send queue use the premapped mode.
> So the send queue must support premapped mode.
>
> Signed-off-by: Xuan Zhuo
> ---
> drivers/net/virtio/main.c
On Thu, Nov 9, 2023 at 7:06 PM Xuan Zhuo wrote:
>
> On Thu, 9 Nov 2023 14:37:38 +0800, Jason Wang wrote:
> > On Tue, Nov 7, 2023 at 11:12 AM Xuan Zhuo
> > wrote:
> > >
> > > If the xsk is enabling, the xsk tx will share the send queue.
> > > But
On Tue, Nov 14, 2023 at 11:42 AM Xuan Zhuo wrote:
>
> On Tue, 14 Nov 2023 11:26:42 +0800, Jason Wang wrote:
> > On Thu, Nov 9, 2023 at 7:06 PM Xuan Zhuo wrote:
> > >
> > > On Thu, 9 Nov 2023 14:37:38 +0800, Jason Wang wrote:
> > > > On Tue, Nov 7,
On Tue, Nov 14, 2023 at 11:59 AM Xuan Zhuo wrote:
>
> On Tue, 14 Nov 2023 11:55:52 +0800, Jason Wang wrote:
> > On Tue, Nov 14, 2023 at 11:42 AM Xuan Zhuo
> > wrote:
> > >
> > > On Tue, 14 Nov 2023 11:26:42 +0800, Jason Wang
> > > wrote:
>
On Mon, Nov 20, 2023 at 8:38 PM Heng Qi wrote:
>
> By comparing the traffic information in the complete napi processes,
> let the virtio-net driver automatically adjust the coalescing
> moderation parameters of each receive queue.
>
> Signed-off-by: Heng Qi
> ---
> v2->v3:
> - Some minor modifica
On Wed, Nov 22, 2023 at 1:52 PM Jason Wang wrote:
>
> On Mon, Nov 20, 2023 at 8:38 PM Heng Qi wrote:
> >
> > By comparing the traffic information in the complete napi processes,
> > let the virtio-net driver automatically adjust the coalescing
> > moderation pa
On Tue, Dec 5, 2023 at 4:02 PM Heng Qi wrote:
>
> Currently access to ctrl cmd is globally protected via rtnl_lock and works
> fine. But if dim work's access to ctrl cmd also holds rtnl_lock, deadlock
> may occur due to cancel_work_sync for dim work.
Can you explain why?
> Therefore, treating
>
On Tue, Dec 5, 2023 at 7:06 PM Heng Qi wrote:
>
>
>
> 在 2023/12/5 下午4:35, Jason Wang 写道:
> > On Tue, Dec 5, 2023 at 4:02 PM Heng Qi wrote:
> >> Currently access to ctrl cmd is globally protected via rtnl_lock and works
> >> fine. But if dim work'
On Wed, Dec 6, 2023 at 9:03 PM Heng Qi wrote:
>
>
>
> 在 2023/12/6 下午8:27, Paolo Abeni 写道:
> > On Tue, 2023-12-05 at 19:05 +0800, Heng Qi wrote:
> >> 在 2023/12/5 下午4:35, Jason Wang 写道:
> >>> On Tue, Dec 5, 2023 at 4:02 PM Heng Qi wrote:
> >>>&
On Thu, Dec 7, 2023 at 12:47 PM Heng Qi wrote:
>
>
>
> 在 2023/12/7 下午12:19, Jason Wang 写道:
> > On Wed, Dec 6, 2023 at 9:03 PM Heng Qi wrote:
> >>
> >>
> >> 在 2023/12/6 下午8:27, Paolo Abeni 写道:
> >>> On Tue, 2023-12-05 at 19:05 +0800
On Thu, Dec 21, 2023 at 11:06 PM Willem de Bruijn
wrote:
>
> Heng Qi wrote:
> >
> >
> > 在 2023/12/20 下午10:45, Willem de Bruijn 写道:
> > > Heng Qi wrote:
> > >> virtio-net has two ways to switch napi_tx: one is through the
> > >> module parameter, and the other is through coalescing parameter
> > >>
On Fri, Dec 22, 2023 at 4:14 PM Michael S. Tsirkin wrote:
>
> On Fri, Dec 22, 2023 at 10:35:07AM +0800, Jason Wang wrote:
> > On Thu, Dec 21, 2023 at 11:06 PM Willem de Bruijn
> > wrote:
> > >
> > > Heng Qi wrote:
> > > >
> > > >
>
On Mon, Dec 25, 2023 at 10:25 AM Jason Xing wrote:
>
> Hello Jason,
> On Fri, Dec 22, 2023 at 10:36 AM Jason Wang wrote:
> >
> > On Thu, Dec 21, 2023 at 11:06 PM Willem de Bruijn
> > wrote:
> > >
> > > Heng Qi wrote:
> > > >
On Mon, Dec 25, 2023 at 2:34 PM Jason Xing wrote:
>
> On Mon, Dec 25, 2023 at 12:14 PM Jason Wang wrote:
> >
> > On Mon, Dec 25, 2023 at 10:25 AM Jason Xing
> > wrote:
> > >
> > > Hello Jason,
> > > On Fri, Dec 22, 2023 at 10:36 AM Jason Wang
On Mon, Dec 25, 2023 at 2:44 PM Jason Wang wrote:
>
> On Mon, Dec 25, 2023 at 2:34 PM Jason Xing wrote:
> >
> > On Mon, Dec 25, 2023 at 12:14 PM Jason Wang wrote:
> > >
> > > On Mon, Dec 25, 2023 at 10:25 AM Jason Xing
> > > wrote:
> > >
On Mon, Dec 25, 2023 at 4:03 PM Michael S. Tsirkin wrote:
>
> On Mon, Dec 25, 2023 at 12:12:48PM +0800, Jason Wang wrote:
> > On Fri, Dec 22, 2023 at 4:14 PM Michael S. Tsirkin wrote:
> > >
> > > On Fri, Dec 22, 2023 at 10:35:07AM +0800, Jason Wang wrote:
> >
> do
> > > ethtool -G ens4 rx 128
> > > ethtool -G ens4 rx 256
> > > free -m
> > > done
> > >
> > > Fixes: 295525e29a5b ("virtio_net: merge dma operations when filling
> > > mergeable buffers")
> > > Signed-off-by: Xuan Zhuo
> >
> > Michael, Jason, looks good? Worth pushing it to v6.7?
>
> I'd say yes.
>
> Acked-by: Michael S. Tsirkin
Acked-by: Jason Wang
Thanks
>
On Fri, Dec 29, 2023 at 3:31 PM Xuan Zhuo wrote:
>
> ## AF_XDP
>
> XDP socket(AF_XDP) is an excellent bypass kernel network framework. The zero
> copy feature of xsk (XDP socket) needs to be supported by the driver. The
> performance of zero copy is very good. mlx5 and intel ixgbe already support
On Fri, Dec 29, 2023 at 3:31 PM Xuan Zhuo wrote:
>
> introduce virtqueue_get_buf_ctx_dma() to collect the dma info when
> get buf from virtio core for premapped mode.
>
> If the virtio queue is premapped mode, the virtio-net send buf may
> have many desc. Every desc dma address need to be unmap. S
On Mon, Jan 15, 2024 at 9:35 AM Zhu Yanjun wrote:
>
> From: Zhu Yanjun
>
> Some devices emulate the virtio_net hardwares. When virtio_net
> driver sends commands to the emulated hardware, normally the
> hardware needs time to response. Sometimes the time is very
> long. Thus, the following will a
On Mon, Jan 15, 2024 at 6:22 PM Zhu Yanjun wrote:
>
>
> 在 2024/1/15 10:20, Jason Wang 写道:
>
> On Mon, Jan 15, 2024 at 9:35 AM Zhu Yanjun wrote:
>
> From: Zhu Yanjun
>
> Some devices emulate the virtio_net hardwares. When virtio_net
> driver sends commands to the e
On Fri, Jan 19, 2024 at 10:27 PM Heng Qi wrote:
>
>
>
> 在 2024/1/18 下午8:01, Zhu Yanjun 写道:
> >
> > 在 2024/1/16 20:04, Paolo Abeni 写道:
> >> On Mon, 2024-01-15 at 09:29 +0800, Zhu Yanjun wrote:
> >>> From: Zhu Yanjun
> >>>
> >>> Some devices emulate the virtio_net hardwares. When virtio_net
> >>> d
On Mon, Jan 22, 2024 at 10:12 AM Zhu Yanjun wrote:
>
>
> 在 2024/1/20 1:29, Andrew Lunn 写道:
> >while (!virtqueue_get_buf(vi->cvq, &tmp) &&
> > - !virtqueue_is_broken(vi->cvq))
> > + !virtqueue_is_broken(vi->cvq)) {
> > +if (timeout)
> > +
On Mon, Jan 22, 2024 at 12:00 PM Xuan Zhuo wrote:
>
> On Mon, 22 Jan 2024 11:14:30 +0800, Jason Wang wrote:
> > On Mon, Jan 22, 2024 at 10:12 AM Zhu Yanjun wrote:
> > >
> > >
> > > 在 2024/1/20 1:29, Andrew Lunn 写道:
> > > >
On Tue, Jan 16, 2024 at 3:47 PM Xuan Zhuo wrote:
>
> On Thu, 11 Jan 2024 16:34:09 +0800, Jason Wang wrote:
> > On Fri, Dec 29, 2023 at 3:31 PM Xuan Zhuo
> > wrote:
> > >
> > > introduce virtqueue_get_buf_ctx_dma() to collect the dma info when
> > >
On Wed, Jan 17, 2024 at 1:58 PM Xuan Zhuo wrote:
>
> On Tue, 16 Jan 2024 07:07:05 -0800, Jakub Kicinski wrote:
> > On Tue, 16 Jan 2024 13:37:30 +0100 Paolo Abeni wrote:
> > > For future submission it would be better if you split this series in
> > > smaller chunks: the maximum size allowed is 15
On Mon, Jan 22, 2024 at 2:12 PM Xuan Zhuo wrote:
>
> On Mon, 22 Jan 2024 12:18:51 +0800, Jason Wang wrote:
> > On Tue, Jan 16, 2024 at 3:47 PM Xuan Zhuo
> > wrote:
> > >
> > > On Thu, 11 Jan 2024 16:34:09 +0800, Jason Wang
> > > wrote:
>
On Mon, Jan 22, 2024 at 2:20 PM Xuan Zhuo wrote:
>
> On Mon, 22 Jan 2024 12:16:27 +0800, Jason Wang wrote:
> > On Mon, Jan 22, 2024 at 12:00 PM Xuan Zhuo
> > wrote:
> > >
> > > On Mon, 22 Jan 2024 11:14:30 +0800, Jason Wang
> > > wrote:
> &
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