On Thu, 17 Jun 2021 11:23:52 +0800, Jason Wang <jasowang@xxxxxxxxxx> wrote: > > 在 2021/6/10 下午4:22, Xuan Zhuo 写道: > > Compared to the case of xsk tx, the case of xsk zc rx is more > > complicated. > > > > When we process the buf received by vq, we may encounter ordinary > > buffers, or xsk buffers. What makes the situation more complicated is > > that in the case of mergeable, when num_buffer > 1, we may still > > encounter the case where xsk buffer is mixed with ordinary buffer. > > > > Another thing that makes the situation more complicated is that when we > > get an xsk buffer from vq, the xsk bound to this xsk buffer may have > > been unbound. > > > > Signed-off-by: Xuan Zhuo <xuanzhuo@xxxxxxxxxxxxxxxxx> > > > This is somehow similar to the case of tx where we don't have per vq reset. > > [...] > > > > > - if (vi->mergeable_rx_bufs) > > + if (is_xsk_ctx(ctx)) > > + skb = receive_xsk(dev, vi, rq, buf, len, xdp_xmit, stats); > > + else if (vi->mergeable_rx_bufs) > > skb = receive_mergeable(dev, vi, rq, buf, ctx, len, xdp_xmit, > > stats); > > else if (vi->big_packets) > > @@ -1175,6 +1296,14 @@ static bool try_fill_recv(struct virtnet_info *vi, struct receive_queue *rq, > > int err; > > bool oom; > > > > + /* Because virtio-net does not yet support flow direct, > > > Note that this is not the case any more. RSS has been supported by > virtio spec and qemu/vhost/tap now. We just need some work on the > virtio-net driver part (e.g the ethool interface). Oh, are there any plans? Who is doing this work, can I help? Thanks. > > Thanks > > _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
