[Qemu-devel] [PATCH v2 18/18] COLO: notify net filters about checkpoint/failover event

[zhanghailiang <zhang.zhanghailiang@huawei.com>]

Notify all net filters about the checkpoint and failover event.

Cc: Jason Wang <jasowang@redhat.com>
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
---
 migration/colo.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/migration/colo.c b/migration/colo.c
index 66bb5b2..62f58c6 100644
--- a/migration/colo.c
+++ b/migration/colo.c
@@ -26,6 +26,7 @@
 #include "qapi-event.h"
 #include "block/block.h"
 #include "replication.h"
+#include "net/filter.h"
 
 static bool vmstate_loading;
 static Notifier packets_compare_notifier;
@@ -82,6 +83,11 @@ static void secondary_vm_do_failover(void)
     if (local_err) {
         error_report_err(local_err);
     }
+    /* Notify all filters of all NIC to do checkpoint */
+    colo_notify_filters_event(COLO_FAILOVER, &local_err);
+    if (local_err) {
+        error_report_err(local_err);
+    }
 
     if (!autostart) {
         error_report("\"-S\" qemu option will be ignored in secondary side");
@@ -794,6 +800,13 @@ void *colo_process_incoming_thread(void *opaque)
             goto out;
         }
 
+        /* Notify all filters of all NIC to do checkpoint */
+        colo_notify_filters_event(COLO_CHECKPOINT, &local_err);
+        if (local_err) {
+            qemu_mutex_unlock_iothread();
+            goto out;
+        }
+
         vmstate_loading = false;
         vm_start();
         trace_colo_vm_state_change("stop", "run");
-- 
1.8.3.1