On 2018/12/13 3:08, David Miller wrote:
> From: jiangyiwen
> Date: Wed, 12 Dec 2018 17:28:16 +0800
>
>> +static int fill_mergeable_rx_buff(struct virtio_vsock *vsock,
>> +struct virtqueue *vq)
>> +{
>> +struct page_frag *alloc_frag = &vsock->alloc_frag;
>> +struct scatterlist
From: jiangyiwen
Date: Wed, 12 Dec 2018 17:28:16 +0800
> +static int fill_mergeable_rx_buff(struct virtio_vsock *vsock,
> + struct virtqueue *vq)
> +{
> + struct page_frag *alloc_frag = &vsock->alloc_frag;
> + struct scatterlist sg;
> + /* Currently we don't use ewma len,
In driver probing, if virtio has VIRTIO_VSOCK_F_MRG_RXBUF feature,
it will fill mergeable rx buffer, support for host send mergeable
rx buffer. It will fill a fixed size(PAGE_SIZE) everytime to
compact with small packet and big packet.
In addition, it also add one optimizations copied from virtio-
