HNS3_RX_HEAD_SIZE
ring->skb = napi_alloc_skb(&ring->tqp_vector->napi, HNS3_RX_HEAD_SIZE);
if (length <= HNS3_RX_HEAD_SIZE) {
ring->pull_len = eth_get_headlen(netdev, va, HNS3_RX_HEAD_SIZE);
if (skb->len > HNS3_RX_HEAD_SIZE)