HNS3_NIC_LB_TEST_PACKET_SIZE
packet = skb_put(skb, HNS3_NIC_LB_TEST_PACKET_SIZE);
for (i = 0; i < HNS3_NIC_LB_TEST_PACKET_SIZE; i++)
len = min_t(u32, len, HNS3_NIC_LB_TEST_PACKET_SIZE);
if (i == HNS3_NIC_LB_TEST_PACKET_SIZE)
skb = alloc_skb(HNS3_NIC_LB_TEST_PACKET_SIZE + ETH_HLEN + NET_IP_ALIGN,