@@ -84,5 +84,6 @@ static inline bool qemu_need_skip_netfilter(NetFilterState *nf)
void netdev_add_default_filter_buffer(const char *netdev_id,
NetFilterDirection direction,
Error **errp);
+void qemu_release_default_filters_packets(void);
void qemu_set_default_filters_status(bool enable);
#endif /* QEMU_NET_FILTER_H */
@@ -169,6 +169,24 @@ out:
error_propagate(errp, local_err);
}
+static void release_default_filter_packets(NetFilterState *nf,
+ void *opaque,
+ Error **errp)
+{
+ if (!strcmp(object_get_typename(OBJECT(nf)), TYPE_FILTER_BUFFER)) {
+
+ if (nf->is_default) {
+ filter_buffer_flush(nf);
+ }
+ }
+}
+
+/* public APIs */
+void qemu_release_default_filters_packets(void)
+{
+ qemu_foreach_netfilter(release_default_filter_packets, NULL, NULL);
+}
+
static void set_default_filter_status(NetFilterState *nf,
void *opaque,
Error **errp)
We need to release all the packets from VM in COLO or Micro-checkpoint, here we add a new helper function to realse the packets that buffered by default buffer-filter Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Cc: Jason Wang <jasowang@redhat.com> Cc: Yang Hongyang <hongyang.yang@easystack.cn> --- v12: - Rename this helper function v11: - New patch --- include/net/filter.h | 1 + net/filter-buffer.c | 18 ++++++++++++++++++ 2 files changed, 19 insertions(+)