On Mon, 8 Jul 2024 13:40:42 +0200, Jiri Pirko wrote:
> Wed, Jun 26, 2024 at 01:51:00PM CEST, j...@resnulli.us wrote:
> >Wed, Jun 26, 2024 at 11:58:08AM CEST, m...@redhat.com wrote:
> >>On Wed, Jun 26, 2024 at 10:43:11AM +0200, Jiri Pirko wrote:
> >>> Wed, Jun 26, 2024 at 10:08:14AM CEST, m...@redh
Wed, Jun 26, 2024 at 01:51:00PM CEST, j...@resnulli.us wrote:
>Wed, Jun 26, 2024 at 11:58:08AM CEST, m...@redhat.com wrote:
>>On Wed, Jun 26, 2024 at 10:43:11AM +0200, Jiri Pirko wrote:
>>> Wed, Jun 26, 2024 at 10:08:14AM CEST, m...@redhat.com wrote:
>>> >On Wed, Jun 26, 2024 at 09:52:58AM +0200, J
xsk wakeup is used to trigger the logic for xsk xmit by xsk framework or
user.
Virtio-net does not support to actively generate an interruption, so it
tries to trigger tx NAPI on the local cpu.
Signed-off-by: Xuan Zhuo
Acked-by: Jason Wang
---
drivers/net/virtio_net.c | 24
Support AF-XDP for merge mode.
Signed-off-by: Xuan Zhuo
Acked-by: Jason Wang
---
drivers/net/virtio_net.c | 144 +++
1 file changed, 144 insertions(+)
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index c9c65948b71f..b6323346208d 100644
--
This patch implement the logic of bind/unbind xsk pool to rq.
Signed-off-by: Xuan Zhuo
Acked-by: Jason Wang
---
drivers/net/virtio_net.c | 134 +++
1 file changed, 134 insertions(+)
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 3c828
This commit separates the function receive_mergeable(),
put the logic of appending frag to the skb as an independent function.
The subsequent commit will reuse it.
Signed-off-by: Xuan Zhuo
Acked-by: Jason Wang
---
drivers/net/virtio_net.c | 77
1 file ch
In the process:
1. We may need to copy data to create skb for XDP_PASS.
2. We may need to call xsk_buff_free() to release the buffer.
3. The handle for xdp_buff is difference from the buffer.
If we pushed this logic into existing receive handle(merge and small),
we would have to maintain code scat
Implement the logic of filling rq with XSK buffers.
Signed-off-by: Xuan Zhuo
---
v8:
1. update comment
2. return err from virtnet_add_recvbuf_xsk() when encounters error
drivers/net/virtio_net.c | 70 +---
1 file changed, 66 insertions(+), 4 deletions(
v8:
1. virtnet_add_recvbuf_xsk() always return err, when encounters error
v7:
1. some small fixes
v6:
1. start from supporting the rx zerocopy
v5:
1. fix the comments of last version
http://lore.kernel.org/all/2024064147.31320-1-xuanz...@linux.alibaba.com
v4:
1.
This patch separates two sub-functions from virtnet_tx_resize():
* virtnet_tx_pause
* virtnet_tx_resume
Then the subsequent virtnet_tx_reset() can share these two functions.
Signed-off-by: Xuan Zhuo
Acked-by: Jason Wang
---
drivers/net/virtio_net.c | 35 +--
1
This commit separates the function receive_buf(), then we wrap the logic
of handling the skb to an independent function virtnet_receive_done().
The subsequent commit will reuse it.
Signed-off-by: Xuan Zhuo
Acked-by: Jason Wang
---
drivers/net/virtio_net.c | 62 +++---
This patch separates two sub-functions from virtnet_rx_resize():
* virtnet_rx_pause
* virtnet_rx_resume
Then the subsequent reset rx for xsk can share these two functions.
Signed-off-by: Xuan Zhuo
Acked-by: Jason Wang
---
drivers/net/virtio_net.c | 29 +
1 file cha
virtio net has VIRTIO_XDP_HEADROOM that is equal to
XDP_PACKET_HEADROOM to calculate the headroom for xdp.
But here we should use the macro XDP_PACKET_HEADROOM from bpf.h to
calculate the headroom for xdp. So here we remove the
VIRTIO_XDP_HEADROOM, and use the XDP_PACKET_HEADROOM to replace it.
S
On Mon, 8 Jul 2024 16:08:44 +0800, Jason Wang wrote:
> On Mon, Jul 8, 2024 at 3:47 PM Xuan Zhuo wrote:
> >
> > On Mon, 8 Jul 2024 15:00:50 +0800, Jason Wang wrote:
> > > On Fri, Jul 5, 2024 at 3:38 PM Xuan Zhuo
> > > wrote:
> > > >
> > > > In the process:
> > > > 1. We may need to copy data to
On Fri, Jul 5, 2024 at 3:37 PM Xuan Zhuo wrote:
>
> Support AF-XDP for merge mode.
>
> Signed-off-by: Xuan Zhuo
> ---
>
Acked-by: Jason Wang
Thanks
On Mon, Jul 8, 2024 at 3:47 PM Xuan Zhuo wrote:
>
> On Mon, 8 Jul 2024 15:00:50 +0800, Jason Wang wrote:
> > On Fri, Jul 5, 2024 at 3:38 PM Xuan Zhuo wrote:
> > >
> > > In the process:
> > > 1. We may need to copy data to create skb for XDP_PASS.
> > > 2. We may need to call xsk_buff_free() to r
On Mon, 8 Jul 2024 14:49:35 +0800, Jason Wang wrote:
> On Fri, Jul 5, 2024 at 3:37 PM Xuan Zhuo wrote:
> >
> > Implement the logic of filling rq with XSK buffers.
> >
> > Signed-off-by: Xuan Zhuo
> > ---
> >
> > v7:
> >1. some small fixes
> >
> > drivers/net/virtio_net.c | 70 ++
On Mon, 8 Jul 2024 15:00:50 +0800, Jason Wang wrote:
> On Fri, Jul 5, 2024 at 3:38 PM Xuan Zhuo wrote:
> >
> > In the process:
> > 1. We may need to copy data to create skb for XDP_PASS.
> > 2. We may need to call xsk_buff_free() to release the buffer.
> > 3. The handle for xdp_buff is difference
On Fri, Jul 5, 2024 at 3:38 PM Xuan Zhuo wrote:
>
> In the process:
> 1. We may need to copy data to create skb for XDP_PASS.
> 2. We may need to call xsk_buff_free() to release the buffer.
> 3. The handle for xdp_buff is difference from the buffer.
>
> If we pushed this logic into existing receiv
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