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qemu: check if 'floor' is supported for given interface and network

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Even if an interface of type 'network', setting 'floor' is only supported
if the network's forward type is nat, route, open or none.

Signed-off-by: Pavel Mores <pmores@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Pavel Mores 2020-02-14 17:26:20 +01:00 committed by Michal Privoznik
parent 92a71456ac
commit aa985af212
4 changed files with 32 additions and 0 deletions
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20
src/conf/netdev_bandwidth_conf.c
View File

@ -304,3 +304,23 @@ virNetDevBandwidthHasFloor(const virNetDevBandwidth *b)
{
return b && b->in && b->in->floor != 0;
}
bool virNetDevBandwidthSupportsFloor(virNetworkForwardType type)
{
switch (type) {
case VIR_NETWORK_FORWARD_NONE:
case VIR_NETWORK_FORWARD_NAT:
case VIR_NETWORK_FORWARD_ROUTE:
case VIR_NETWORK_FORWARD_OPEN:
return true;
case VIR_NETWORK_FORWARD_BRIDGE:
case VIR_NETWORK_FORWARD_PRIVATE:
case VIR_NETWORK_FORWARD_VEPA:
case VIR_NETWORK_FORWARD_PASSTHROUGH:
case VIR_NETWORK_FORWARD_HOSTDEV:
case VIR_NETWORK_FORWARD_LAST:
break;
}
return false;
}

2
src/conf/netdev_bandwidth_conf.h
View File

@ -23,6 +23,7 @@
#include "virbuffer.h"
#include "virxml.h"
#include "domain_conf.h"
#include "network_conf.h"
int virNetDevBandwidthParse(virNetDevBandwidthPtr *bandwidth,
unsigned int *class_id,
@ -60,3 +61,4 @@ static inline bool virNetDevSupportBandwidth(virDomainNetType type)
bool virNetDevBandwidthHasFloor(const virNetDevBandwidth *b);
bool virNetDevBandwidthSupportsFloor(virNetworkForwardType type);

1
src/libvirt_private.syms
View File

@ -735,6 +735,7 @@ virDomainClearNetBandwidth;
virNetDevBandwidthFormat;
virNetDevBandwidthHasFloor;
virNetDevBandwidthParse;
virNetDevBandwidthSupportsFloor;
# conf/netdev_vlan_conf.h

9
src/network/bridge_driver.c
View File

@ -5065,6 +5065,15 @@ networkCheckBandwidth(virNetworkObjPtr obj,
virMacAddrFormat(ifaceMac, ifmac);
if (virNetDevBandwidthHasFloor(ifaceBand) &&
!virNetDevBandwidthSupportsFloor(def->forward.type)) {
virReportError(VIR_ERR_OPERATION_UNSUPPORTED,
_("Invalid use of 'floor' on interface with MAC address %s "
"- 'floor' is only supported for interface type 'network' with forward type 'nat', 'route', 'open' or none"),
ifmac);
return -1;
}
if (virNetDevBandwidthHasFloor(ifaceBand) &&
!(netBand && netBand->in)) {
virReportError(VIR_ERR_OPERATION_UNSUPPORTED,