On Thu, Nov 7, 2024 at 4:55 PM Xuan Zhuo <xuanzhuo@xxxxxxxxxxxxxxxxx> wrote:
>
> virtio-net rq submits premapped per-buffer by setting sg page to NULL;
>
> Signed-off-by: Xuan Zhuo <xuanzhuo@xxxxxxxxxxxxxxxxx>
> ---
> drivers/net/virtio_net.c | 22 +++++++++++-----------
> 1 file changed, 11 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
> index 4b27ded8fc16..862beacef5d7 100644
> --- a/drivers/net/virtio_net.c
> +++ b/drivers/net/virtio_net.c
> @@ -539,6 +539,12 @@ static struct sk_buff *ptr_to_skb(void *ptr)
> return (struct sk_buff *)((unsigned long)ptr & ~VIRTIO_ORPHAN_FLAG);
> }
>
> +static void sg_fill_dma(struct scatterlist *sg, dma_addr_t addr, u32 len)
> +{
> + sg_dma_address(sg) = addr;
> + sg_dma_len(sg) = len;
> +}
> +
In the future, we need to consider hiding those in the core.
Anyhow
Acked-by: Jason Wang <jasowang@xxxxxxxxxx>
Thanks
