Re: [PATCH net-next v2 3/3] xsk: build skb by page

2021-01-21 Thread Yunsheng Lin
On 2021/1/21 15:41, Magnus Karlsson wrote: > On Wed, Jan 20, 2021 at 9:29 PM Alexander Lobakin wrote: >> >> From: Xuan Zhuo >> Date: Wed, 20 Jan 2021 16:30:56 +0800 >> >>> This patch is used to construct skb based on page to save memory copy >>> overhead. >>> >>> This function is implemented base

Re: [PATCH net-next v2 3/3] xsk: build skb by page

2021-01-20 Thread Magnus Karlsson
On Wed, Jan 20, 2021 at 9:29 PM Alexander Lobakin wrote: > > From: Xuan Zhuo > Date: Wed, 20 Jan 2021 16:30:56 +0800 > > > This patch is used to construct skb based on page to save memory copy > > overhead. > > > > This function is implemented based on IFF_TX_SKB_NO_LINEAR. Only the > > network c

Re: [PATCH net-next v2 3/3] xsk: build skb by page

2021-01-20 Thread Alexander Lobakin
From: Xuan Zhuo Date: Wed, 20 Jan 2021 16:30:56 +0800 > This patch is used to construct skb based on page to save memory copy > overhead. > > This function is implemented based on IFF_TX_SKB_NO_LINEAR. Only the > network card priv_flags supports IFF_TX_SKB_NO_LINEAR will use page to > directly c

[PATCH net-next v2 3/3] xsk: build skb by page

2021-01-20 Thread Xuan Zhuo
This patch is used to construct skb based on page to save memory copy overhead. This function is implemented based on IFF_TX_SKB_NO_LINEAR. Only the network card priv_flags supports IFF_TX_SKB_NO_LINEAR will use page to directly construct skb. If this feature is not supported, it is still necessar

Re: [PATCH net-next v2 3/3] xsk: build skb by page

2021-01-20 Thread Michael S. Tsirkin
On Wed, Jan 20, 2021 at 03:11:04AM -0500, Michael S. Tsirkin wrote: > On Wed, Jan 20, 2021 at 03:50:01PM +0800, Xuan Zhuo wrote: > > This patch is used to construct skb based on page to save memory copy > > overhead. > > > > This function is implemented based on IFF_TX_SKB_NO_LINEAR. Only the > >

Re: [PATCH net-next v2 3/3] xsk: build skb by page

2021-01-20 Thread Michael S. Tsirkin
On Wed, Jan 20, 2021 at 03:50:01PM +0800, Xuan Zhuo wrote: > This patch is used to construct skb based on page to save memory copy > overhead. > > This function is implemented based on IFF_TX_SKB_NO_LINEAR. Only the > network card priv_flags supports IFF_TX_SKB_NO_LINEAR will use page to > directl

[PATCH net-next v2 3/3] xsk: build skb by page

2021-01-19 Thread Xuan Zhuo
This patch is used to construct skb based on page to save memory copy overhead. This function is implemented based on IFF_TX_SKB_NO_LINEAR. Only the network card priv_flags supports IFF_TX_SKB_NO_LINEAR will use page to directly construct skb. If this feature is not supported, it is still necessar