Re: [QEMU PATCH v2] virtio-net: introduce a new macaddr control

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akong@xxxxxxxxxx writes:
> @@ -349,6 +351,14 @@ static int virtio_net_handle_mac(VirtIONet *n, uint8_t cmd,
>  {
>      struct virtio_net_ctrl_mac mac_data;
>  
> +    if (cmd == VIRTIO_NET_CTRL_MAC_ADDR_SET && elem->out_num == 2 &&
> +        elem->out_sg[1].iov_len == ETH_ALEN) {
> +        /* Set MAC address */
> +        memcpy(n->mac, elem->out_sg[1].iov_base, elem->out_sg[1].iov_len);
> +        qemu_format_nic_info_str(&n->nic->nc, n->mac);
> +        return VIRTIO_NET_OK;
> +    }

Does the rest of the net device still rely on the layout of descriptors?
If so, OK, we'll fix them all together.  If not, this introduces a new
one.

Cheers,
Rusty.
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