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Date: Tue, 16 Feb 2021 11:38:56 +0000 From: Alexander Lobakin <alobakin@...me> To: Magnus Karlsson <magnus.karlsson@...el.com>, Björn Töpel <bjorn@...nel.org> Cc: "Michael S. Tsirkin" <mst@...hat.com>, Jason Wang <jasowang@...hat.com>, "David S. Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, Jonathan Lemon <jonathan.lemon@...il.com>, Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, Jesper Dangaard Brouer <hawk@...nel.org>, John Fastabend <john.fastabend@...il.com>, Andrii Nakryiko <andrii@...nel.org>, Martin KaFai Lau <kafai@...com>, Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>, KP Singh <kpsingh@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Eric Dumazet <eric.dumazet@...il.com>, Xuan Zhuo <xuanzhuo@...ux.alibaba.com>, Dust Li <dust.li@...ux.alibaba.com>, Alexander Lobakin <alobakin@...me>, virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, bpf@...r.kernel.org Subject: [PATCH v4 bpf-next 4/6] virtio-net: support IFF_TX_SKB_NO_LINEAR From: Xuan Zhuo <xuanzhuo@...ux.alibaba.com> Virtio net supports the case where the skb linear space is empty, so add priv_flags. Signed-off-by: Xuan Zhuo <xuanzhuo@...ux.alibaba.com> Acked-by: Michael S. Tsirkin <mst@...hat.com> Signed-off-by: Alexander Lobakin <alobakin@...me> --- drivers/net/virtio_net.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index ba8e63792549..f2ff6c3906c1 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -2972,7 +2972,8 @@ static int virtnet_probe(struct virtio_device *vdev) return -ENOMEM; /* Set up network device as normal. */ - dev->priv_flags |= IFF_UNICAST_FLT | IFF_LIVE_ADDR_CHANGE; + dev->priv_flags |= IFF_UNICAST_FLT | IFF_LIVE_ADDR_CHANGE | + IFF_TX_SKB_NO_LINEAR; dev->netdev_ops = &virtnet_netdev; dev->features = NETIF_F_HIGHDMA; -- 2.30.1
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