Merge pull request #852 from zcjie1/dev

set the IP-type flag for tx_csum_l4 offload

Author: jfb8856606

lib/ff_dpdk_if.c

@@ -1944,6 +1944,12 @@ ff_dpdk_if_send(struct ff_dpdk_if_context *ctx, void *m,
         iph = (struct rte_ipv4_hdr *)(data + RTE_ETHER_HDR_LEN);
         iph_len = (iph->version_ihl & 0x0f) << 2;
 
+        if (iph->version == 4) {
+            head->ol_flags |= RTE_MBUF_F_TX_IPV4;
+        } else {
+            head->ol_flags |= RTE_MBUF_F_TX_IPV6;
+        }
+
         if (offload.tcp_csum) {
             head->ol_flags |= RTE_MBUF_F_TX_TCP_CKSUM;
             head->l2_len = RTE_ETHER_HDR_LEN;