From: Xuan Zhuo
Date: Sat, 16 Jan 2021 10:44:53 +0800
> This patch is used to construct skb based on page to save memory copy
> overhead.
>
> This has one problem:
>
> We construct the skb by fill the data page as a frag into the skb. In
> this way, the linear space is empty, and the header
On Mon, Jan 18, 2021 at 5:38 PM Alexander Lobakin wrote:
>
> > From: Magnus Karlsson
> > Date: Mon, 18 Jan 2021 16:10:40 +0100
> >
> > On Mon, Jan 18, 2021 at 3:47 PM Alexander Lobakin wrote:
> > >
> > > From: Alexander Lobakin
> > > Date: Mon, 18 Jan 2021 13:00:17 +
> > >
> > > > From:
> From: Magnus Karlsson
> Date: Mon, 18 Jan 2021 16:10:40 +0100
>
> On Mon, Jan 18, 2021 at 3:47 PM Alexander Lobakin wrote:
> >
> > From: Alexander Lobakin
> > Date: Mon, 18 Jan 2021 13:00:17 +
> >
> > > From: Yunsheng Lin
> > > Date: Mon, 18 Jan 2021 20:40:52 +0800
> > >
> > >> On
On Mon, Jan 18, 2021 at 3:47 PM Alexander Lobakin wrote:
>
> From: Alexander Lobakin
> Date: Mon, 18 Jan 2021 13:00:17 +
>
> > From: Yunsheng Lin
> > Date: Mon, 18 Jan 2021 20:40:52 +0800
> >
> >> On 2021/1/16 10:44, Xuan Zhuo wrote:
> >>> This patch is used to construct skb based on page
On Mon, Jan 18, 2021 at 3:47 PM Alexander Lobakin wrote:
>
> From: Alexander Lobakin
> Date: Mon, 18 Jan 2021 13:00:17 +
>
> > From: Yunsheng Lin
> > Date: Mon, 18 Jan 2021 20:40:52 +0800
> >
> >> On 2021/1/16 10:44, Xuan Zhuo wrote:
> >>> This patch is used to construct skb based on page
From: Alexander Lobakin
Date: Mon, 18 Jan 2021 13:00:17 +
> From: Yunsheng Lin
> Date: Mon, 18 Jan 2021 20:40:52 +0800
>
>> On 2021/1/16 10:44, Xuan Zhuo wrote:
>>> This patch is used to construct skb based on page to save memory copy
>>> overhead.
>>>
>>> This has one problem:
>>>
>>> We
From: Yunsheng Lin
Date: Mon, 18 Jan 2021 20:40:52 +0800
> On 2021/1/16 10:44, Xuan Zhuo wrote:
>> This patch is used to construct skb based on page to save memory copy
>> overhead.
>>
>> This has one problem:
>>
>> We construct the skb by fill the data page as a frag into the skb. In
>> this
From: Xuan Zhuo
Date: Sat, 16 Jan 2021 10:44:53 +0800
> This patch is used to construct skb based on page to save memory copy
> overhead.
>
> This has one problem:
>
> We construct the skb by fill the data page as a frag into the skb. In
> this way, the linear space is empty, and the header
Xuan Zhuo wrote:
> This patch is used to construct skb based on page to save memory copy
> overhead.
>
> Taking into account the problem of addr unaligned, and the
> possibility of frame size greater than page in the future.
>
> Signed-off-by: Xuan Zhuo
> ---
> net/xdp/xsk.c | 68
>
This patch is used to construct skb based on page to save memory copy
overhead.
Taking into account the problem of addr unaligned, and the
possibility of frame size greater than page in the future.
The test environment is Aliyun ECS server.
Test cmd:
```
xdpsock -i eth0 -t -S -s
```
Test
On Wed, Dec 23, 2020 at 9:57 AM Xuan Zhuo wrote:
>
> This patch is used to construct skb based on page to save memory copy
> overhead.
>
> Taking into account the problem of addr unaligned, and the
> possibility of frame size greater than page in the future.
Thanks Xuan for the patch set. Could
This patch is used to construct skb based on page to save memory copy
overhead.
Taking into account the problem of addr unaligned, and the
possibility of frame size greater than page in the future.
Signed-off-by: Xuan Zhuo
---
net/xdp/xsk.c | 68
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