Fix for "orchagent crashed when trying to delete fdb static entry wit…

…h swssconfig #11046" (#2332)

* Fix updated to not flush static mac

orchagent/fdborch.cpp

@@ -899,7 +899,12 @@ void FdbOrch::doTask(NotificationConsumer& consumer)
  {
  if (op == "ALL")
  {
- status = sai_fdb_api->flush_fdb_entries(gSwitchId, 0, NULL);
+ vector<sai_attribute_t> attrs;
+ sai_attribute_t attr;
+ attr.id = SAI_FDB_FLUSH_ATTR_ENTRY_TYPE;
+ attr.value.s32 = SAI_FDB_FLUSH_ENTRY_TYPE_DYNAMIC;
+ attrs.push_back(attr);
+ status = sai_fdb_api->flush_fdb_entries(gSwitchId, (uint32_t)attrs.size(), attrs.data());
  if (status != SAI_STATUS_SUCCESS)
  {
  SWSS_LOG_ERROR("Flush fdb failed, return code %x", status);
@@ -1056,6 +1061,11 @@ void FdbOrch::flushFDBEntries(sai_object_id_t bridge_port_oid,
  attr.value.oid = vlan_oid;
  attrs.push_back(attr);
  }
+
+ /* do not flush static mac */
+ attr.id = SAI_FDB_FLUSH_ATTR_ENTRY_TYPE;
+ attr.value.s32 = SAI_FDB_FLUSH_ENTRY_TYPE_DYNAMIC;
+ attrs.push_back(attr);
 
  SWSS_LOG_INFO("Flushing FDB bridge_port_oid: 0x%" PRIx64 ", and bvid_oid:0x%" PRIx64 ".", bridge_port_oid, vlan_oid);