[libvirt] [PATCH v4 17/29] network: introduce networkNotifyPort
Daniel P. Berrangé
berrange at redhat.com
Wed Apr 17 17:19:17 UTC 2019
Separate network port notification code from the domain driver network
callback implementation.
Reviewed-by: Laine Stump <laine at laine.org>
Signed-off-by: Daniel P. Berrangé <berrange at redhat.com>
---
src/network/bridge_driver.c | 106 +++++++++++++++++++++---------------
1 file changed, 63 insertions(+), 43 deletions(-)
diff --git a/src/network/bridge_driver.c b/src/network/bridge_driver.c
index ff5677f6a7..b407c1a9e3 100644
--- a/src/network/bridge_driver.c
+++ b/src/network/bridge_driver.c
@@ -4749,74 +4749,51 @@ networkAllocateActualDevice(virNetworkPtr net,
}
-/* networkNotifyActualDevice:
- * @dom: domain definition that @iface belongs to
- * @iface: the domain's NetDef with an "actual" device already filled in.
+/* networkNotifyPort:
+ * @obj: the network to notify
+ * @port: the port definition to notify
*
* Called to notify the network driver when libvirtd is restarted and
* finds an already running domain. If appropriate it will force an
* allocation of the actual->direct.linkdev to get everything back in
* order.
- *
- * Returns 0 on success, -1 on failure.
*/
static int
-networkNotifyActualDevice(virNetworkPtr net,
- virDomainDefPtr dom,
- virDomainNetDefPtr iface)
+networkNotifyPort(virNetworkObjPtr obj,
+ virNetworkPortDefPtr port)
{
- virNetworkDriverStatePtr driver = networkGetDriver();
- virNetworkObjPtr obj;
virNetworkDefPtr netdef;
virNetworkForwardIfDefPtr dev = NULL;
- virNetworkPortDefPtr port = NULL;
size_t i;
int ret = -1;
- obj = virNetworkObjFindByName(driver->networks, net->name);
- if (!obj) {
- virReportError(VIR_ERR_NO_NETWORK,
- _("no network with matching name '%s'"),
- net->name);
- goto error;
- }
-
- if (iface->type != VIR_DOMAIN_NET_TYPE_NETWORK) {
- virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
- _("Expected an interface for a virtual network"));
- goto error;
- }
-
netdef = virNetworkObjGetDef(obj);
if (!virNetworkObjIsActive(obj)) {
virReportError(VIR_ERR_OPERATION_INVALID,
_("network '%s' is not active"),
netdef->name);
- goto error;
- }
-
- if (!(port = virDomainNetDefActualToNetworkPort(dom, iface)))
goto cleanup;
+ }
switch (port->plugtype) {
case VIR_NETWORK_PORT_PLUG_TYPE_NONE:
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Unexpectedly got a network port without a plug"));
- goto error;
+ goto cleanup;
case VIR_NETWORK_PORT_PLUG_TYPE_BRIDGE:
/* see if we're connected to the correct bridge */
if (!netdef->bridge) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Unexpectedly got a network port plugged into a bridge"));
- goto error;
+ goto cleanup;
}
break;
case VIR_NETWORK_PORT_PLUG_TYPE_DIRECT:
if (networkCreateInterfacePool(netdef) < 0)
- goto error;
+ goto cleanup;
/* find the matching interface and increment its connections */
for (i = 0; i < netdef->forward.nifs; i++) {
@@ -4835,7 +4812,7 @@ networkNotifyActualDevice(virNetworkPtr net,
"in use by network port '%s'"),
netdef->name, port->plug.direct.linkdev,
port->uuid);
- goto error;
+ goto cleanup;
}
/* PASSTHROUGH mode and PRIVATE Mode + 802.1Qbh both require
@@ -4851,14 +4828,14 @@ networkNotifyActualDevice(virNetworkPtr net,
_("network '%s' claims dev='%s' is already in "
"use by a different port"),
netdef->name, port->plug.direct.linkdev);
- goto error;
+ goto cleanup;
}
break;
case VIR_NETWORK_PORT_PLUG_TYPE_HOSTDEV_PCI:
if (networkCreateInterfacePool(netdef) < 0)
- goto error;
+ goto cleanup;
/* find the matching interface and increment its connections */
for (i = 0; i < netdef->forward.nifs; i++) {
@@ -4880,7 +4857,7 @@ networkNotifyActualDevice(virNetworkPtr net,
port->plug.hostdevpci.addr.bus,
port->plug.hostdevpci.addr.slot,
port->plug.hostdevpci.addr.function);
- goto error;
+ goto cleanup;
}
/* PASSTHROUGH mode, PRIVATE Mode + 802.1Qbh, and hostdev (PCI
@@ -4896,7 +4873,7 @@ networkNotifyActualDevice(virNetworkPtr net,
netdef->name,
dev->device.pci.domain, dev->device.pci.bus,
dev->device.pci.slot, dev->device.pci.function);
- goto error;
+ goto cleanup;
}
break;
@@ -4904,7 +4881,7 @@ networkNotifyActualDevice(virNetworkPtr net,
case VIR_NETWORK_PORT_PLUG_TYPE_LAST:
default:
virReportEnumRangeError(virNetworkPortPlugType, port->plugtype);
- goto error;
+ goto cleanup;
}
netdef->connections++;
@@ -4917,18 +4894,61 @@ networkNotifyActualDevice(virNetworkPtr net,
if (dev)
dev->connections--;
netdef->connections--;
- goto error;
+ goto cleanup;
}
- networkLogAllocation(netdef, dev, &iface->mac, true);
+ networkLogAllocation(netdef, dev, &port->mac, true);
+
ret = 0;
+ cleanup:
+ return ret;
+}
+
+
+static int
+networkNotifyActualDevice(virNetworkPtr net,
+ virDomainDefPtr dom,
+ virDomainNetDefPtr iface)
+{
+ virNetworkDriverStatePtr driver = networkGetDriver();
+ virNetworkObjPtr obj;
+ virNetworkDefPtr netdef;
+ virNetworkPortDefPtr port = NULL;
+ int ret = -1;
+
+ obj = virNetworkObjFindByName(driver->networks, net->name);
+ if (!obj) {
+ virReportError(VIR_ERR_NO_NETWORK,
+ _("no network with matching name '%s'"),
+ net->name);
+ goto cleanup;
+ }
+ if (iface->type != VIR_DOMAIN_NET_TYPE_NETWORK) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("Expected an interface for a virtual network"));
+ goto cleanup;
+ }
+
+ netdef = virNetworkObjGetDef(obj);
+
+ if (!virNetworkObjIsActive(obj)) {
+ virReportError(VIR_ERR_OPERATION_INVALID,
+ _("network '%s' is not active"),
+ netdef->name);
+ goto cleanup;
+ }
+
+ if (!(port = virDomainNetDefActualToNetworkPort(dom, iface)))
+ goto cleanup;
+
+ if (networkNotifyPort(obj, port) < 0)
+ goto cleanup;
+
+ ret = 0;
cleanup:
virNetworkObjEndAPI(&obj);
virNetworkPortDefFree(port);
return ret;
-
- error:
- goto cleanup;
}
--
2.20.1
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