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

From: Xuan Zhuo Date: Tue, 19 Jan 2021 17:45:12 +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 bpf-next v2 3/3] xsk: build skb by page

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