HNAE3_SUPPORT_EXTERNAL_LOOPBACK
h->flags & HNAE3_SUPPORT_EXTERNAL_LOOPBACK;
HNAE3_SUPPORT_EXTERNAL_LOOPBACK)
handle->flags |= HNAE3_SUPPORT_EXTERNAL_LOOPBACK;
if (handle->flags & HNAE3_SUPPORT_EXTERNAL_LOOPBACK) {