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[libvirt] [PATCH 3/3] qemu_migration: Transport OVS per-port data during live migration



Transport Open vSwitch per-port data during live
migration by using the utility functions
virNetDevOpenvswitchGetMigrateData() and
virNetDevOpenvswitchSetMigrateData().

Signed-off-by: Kyle Mestery <kmestery cisco com>
---
 src/qemu/qemu_migration.c | 23 ++++++++++++++++++++---
 1 file changed, 20 insertions(+), 3 deletions(-)

diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c
index a17ccbd..b4ff3c5 100644
--- a/src/qemu/qemu_migration.c
+++ b/src/qemu/qemu_migration.c
@@ -311,7 +311,7 @@ qemuMigrationCookieNetworkAlloc(struct qemud_driver *driver ATTRIBUTE_UNUSED,
 {
     qemuMigrationCookieNetworkPtr mig;
     int i;
-    virDomainNetDefPtr netptr ATTRIBUTE_UNUSED;
+    virDomainNetDefPtr netptr;
 
     if (VIR_ALLOC(mig) < 0)
         goto no_memory;
@@ -339,6 +339,13 @@ qemuMigrationCookieNetworkAlloc(struct qemud_driver *driver ATTRIBUTE_UNUSED,
             case VIR_NETDEV_VPORT_PROFILE_8021QBH:
                 break;
             case VIR_NETDEV_VPORT_PROFILE_OPENVSWITCH:
+                if (virNetDevOpenvswitchGetMigrateData(&mig->net[i]->portdata,
+                                                       netptr->ifname) != 0) {
+                        virReportSystemError(VIR_ERR_INTERNAL_ERROR,
+                                             _("Unable to run command to get OVS port data for "
+                                             "interface %s"), netptr->ifname);
+                        goto error;
+                }
                 break;
             default:
                 mig->net[i]->portdata = NULL;
@@ -347,6 +354,7 @@ qemuMigrationCookieNetworkAlloc(struct qemud_driver *driver ATTRIBUTE_UNUSED,
         }
     }
 
+error:
     return mig;
 
 no_memory:
@@ -1278,8 +1286,8 @@ qemuDomainMigrateOPDRelocate(struct qemud_driver *driver ATTRIBUTE_UNUSED,
                              virDomainObjPtr vm,
                              qemuMigrationCookiePtr cookie)
 {
-    virDomainNetDefPtr netptr ATTRIBUTE_UNUSED;
-    int ret = 0;
+    virDomainNetDefPtr netptr;
+    int ret = -1;
     int i;
 
     for (i = 0; i < cookie->network->nnets; i++) {
@@ -1293,12 +1301,21 @@ qemuDomainMigrateOPDRelocate(struct qemud_driver *driver ATTRIBUTE_UNUSED,
         case VIR_NETDEV_VPORT_PROFILE_8021QBH:
             break;
         case VIR_NETDEV_VPORT_PROFILE_OPENVSWITCH:
+            if (virNetDevOpenvswitchSetMigrateData(cookie->network->net[i]->portdata,
+                                                   netptr->ifname) != 0) {
+                virReportSystemError(VIR_ERR_INTERNAL_ERROR,
+                                     _("Unable to run command to set OVS port data for "
+                                     "interface %s"), netptr->ifname);
+                goto cleanup;
+            }
             break;
         default:
             break;
         }
     }
 
+    ret = 0;
+cleanup:
     return ret;
 }
 
-- 
1.7.11.4


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