Re: [PATCH v2 2/4] virtio_net: copy VIRTIO_NET_S_ANNOUNCE if device model has it

[Jason Wang]

On Fri, Nov 25, 2022 at 1:33 AM Eugenio Pérez <epere...@redhat.com> wrote:
>
> Status part of the emulated feature. It will follow device model, so we
> must copy it as long as NIC device model has it set.
>
> Signed-off-by: Eugenio Pérez <epere...@redhat.com>
> ---
>  hw/net/virtio-net.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
> index eed629766f..bf71ef33e8 100644
> --- a/hw/net/virtio-net.c
> +++ b/hw/net/virtio-net.c
> @@ -183,6 +183,7 @@ static void virtio_net_get_config(VirtIODevice *vdev, 
> uint8_t *config)
>              memcpy(netcfg.mac, n->mac, ETH_ALEN);
>          }
>
> +        netcfg.status |= (n->status & VIRTIO_NET_S_ANNOUNCE);

Do we need to care about the endian here? We use:

    virtio_stw_p(vdev, &netcfg.status, n->status);

At the beginning of this function.

Thanks

>          memcpy(config, &netcfg, n->config_size);
>      }
>  }
> --
> 2.31.1
>