[libvirt PATCH 1/5] qemu: fail on attempt to set 'floor' if interface type is not 'network'

[Michal Privoznik]

On 2/10/20 5:10 PM, Pavel Mores wrote:
> QoS 'floor' setting is documented to be only supported for interfaces of
> type 'network'.  Fail with an error message on attempt to set 'floor' on
> an interface of any other type.
> 
> Signed-off-by: Pavel Mores <pmores at redhat.com>
> ---
>   src/qemu/qemu_driver.c | 13 ++++++++++---
>   1 file changed, 10 insertions(+), 3 deletions(-)
> 
> diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
> index e69d083836..88fa56da42 100644
> --- a/src/qemu/qemu_driver.c
> +++ b/src/qemu/qemu_driver.c
> @@ -11672,9 +11672,16 @@ qemuDomainSetInterfaceParameters(virDomainPtr dom,
>                      sizeof(*newBandwidth->out));
>           }
>   
> -        if (net->type == VIR_DOMAIN_NET_TYPE_NETWORK &&
> -            virDomainNetBandwidthUpdate(net, newBandwidth) < 0)
> -            goto endjob;
> +        if (net->type == VIR_DOMAIN_NET_TYPE_NETWORK) {
> +            if (virDomainNetBandwidthUpdate(net, newBandwidth) < 0)
> +                goto endjob;
> +        } else {
> +            if (bandwidth->in && bandwidth->in->floor != 0) {
> +                virReportError(VIR_ERR_OPERATION_UNSUPPORTED, "%s",
> +                               _("'floor' is only supported for interface type 'network' with forward type 'nat', 'route', 'open' or none"));

Please break this long line.

Michal