---
v2:
Utilize tag-less VLAN trunk mode:
https://www.redhat.com/archives/libvir-list/2012-October/msg00214.html
src/esx/esx_network_driver.c | 64 ++++++++++++++++++++++++++++++++++++++---
1 files changed, 59 insertions(+), 5 deletions(-)
diff --git a/src/esx/esx_network_driver.c b/src/esx/esx_network_driver.c
index c8f101a..98e64ee 100644
--- a/src/esx/esx_network_driver.c
+++ b/src/esx/esx_network_driver.c
@@ -45,6 +45,9 @@
*/
verify(MD5_DIGEST_SIZE == VIR_UUID_BUFLEN);
+/* ESX utilizes the VLAN ID of 4095 to mean that this port is in trunk mode */
+#define ESX_VLAN_TRUNK 4095
+
static virDrvOpenStatus
@@ -489,7 +492,37 @@ esxNetworkDefineXML(virConnectPtr conn, const char *xml)
goto cleanup;
}
- hostPortGroupSpec->vlanId->value = 0;
+ if (def->portGroups[i].vlan.trunk) {
+ if (def->portGroups[i].vlan.nTags != 0) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("Trunk mode cannot be limited to a subset of
tags"));
+ goto cleanup;
+ }
+
+ hostPortGroupSpec->vlanId->value = ESX_VLAN_TRUNK;
+ } else if (def->portGroups[i].vlan.nTags == 1) {
+ hostPortGroupSpec->vlanId->value = *def->portGroups[i].vlan.tag;
+ } else if (def->portGroups[i].vlan.nTags > 1) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("Can apply one VLAN tag per port group only"));
+ goto cleanup;
+ } else if (def->vlan.trunk) {
+ if (def->vlan.nTags != 0) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("Trunk mode cannot be limited to a subset of
tags"));
+ goto cleanup;
+ }
+
+ hostPortGroupSpec->vlanId->value = ESX_VLAN_TRUNK;
+ } else if (def->vlan.nTags == 1) {
+ hostPortGroupSpec->vlanId->value = *def->vlan.tag;
+ } else if (def->vlan.nTags > 1) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("Can apply one VLAN tag per port group only"));
+ goto cleanup;
+ } else {
+ hostPortGroupSpec->vlanId->value = 0;
+ }
if (def->portGroups[i].bandwidth != NULL) {
if (esxBandwidthToShapingPolicy
@@ -519,6 +552,8 @@ esxNetworkDefineXML(virConnectPtr conn, const char *xml)
network = virGetNetwork(conn, hostVirtualSwitch->name, md5);
cleanup:
+ /* FIXME: need to remove virtual switch if adding port groups failed */
+
virNetworkDefFree(def);
esxVI_HostVirtualSwitch_Free(&hostVirtualSwitch);
esxVI_HostPortGroup_Free(&hostPortGroupList);
@@ -695,6 +730,7 @@ esxNetworkGetXMLDesc(virNetworkPtr network_, unsigned int flags)
esxVI_String *hostPortGroupKey = NULL;
esxVI_String *networkName = NULL;
virNetworkDefPtr def;
+ virPortGroupDefPtr portGroup;
if (esxVI_EnsureSession(priv->primary) < 0) {
return NULL;
@@ -824,9 +860,12 @@ esxNetworkGetXMLDesc(virNetworkPtr network_, unsigned int flags)
for (networkName = networkNameList; networkName != NULL;
networkName = networkName->_next) {
if (STREQ(networkName->value,
hostPortGroup->spec->name)) {
- def->portGroups[def->nPortGroups].name =
strdup(networkName->value);
+ portGroup = &def->portGroups[def->nPortGroups];
+ ++def->nPortGroups;
+
+ portGroup->name = strdup(networkName->value);
- if (def->portGroups[def->nPortGroups].name == NULL) {
+ if (portGroup->name == NULL) {
virReportOOMError();
goto cleanup;
}
@@ -834,13 +873,28 @@ esxNetworkGetXMLDesc(virNetworkPtr network_, unsigned int flags)
if (hostPortGroup->spec->policy != NULL) {
if (esxShapingPolicyToBandwidth
(hostPortGroup->spec->policy->shapingPolicy,
-
&def->portGroups[def->nPortGroups].bandwidth) < 0) {
+ &portGroup->bandwidth) < 0) {
++def->nPortGroups;
goto cleanup;
}
}
- ++def->nPortGroups;
+ if (hostPortGroup->spec->vlanId->value > 0) {
+ if (hostPortGroup->spec->vlanId->value ==
ESX_VLAN_TRUNK) {
+ portGroup->vlan.trunk = true;
+ } else {
+ portGroup->vlan.nTags = 1;
+
+ if (VIR_ALLOC_N(portGroup->vlan.tag, 1) < 0) {
+ virReportOOMError();
+ goto cleanup;
+ }
+
+ *portGroup->vlan.tag =
+ hostPortGroup->spec->vlanId->value;
+ }
+ }
+
break;
}
}
--
1.7.4.1