version: 17.11-rc3
[dpdk.git] / examples / tep_termination / vxlan.c
index 5ee1f95..9f0e836 100644 (file)
@@ -141,14 +141,17 @@ process_inner_cksums(struct ether_hdr *eth_hdr, union tunnel_offload_info *info)
                                ethertype, ol_flags);
        } else if (l4_proto == IPPROTO_TCP) {
                tcp_hdr = (struct tcp_hdr *)((char *)l3_hdr + info->l3_len);
-               ol_flags |= PKT_TX_TCP_CKSUM;
-               tcp_hdr->cksum = get_psd_sum(l3_hdr, ethertype,
-                               ol_flags);
+               /* Put PKT_TX_TCP_SEG bit setting before get_psd_sum(), because
+                * it depends on PKT_TX_TCP_SEG to calculate pseudo-header
+                * checksum.
+                */
                if (tso_segsz != 0) {
                        ol_flags |= PKT_TX_TCP_SEG;
                        info->tso_segsz = tso_segsz;
-                       info->l4_len = sizeof(struct tcp_hdr);
+                       info->l4_len = (tcp_hdr->data_off & 0xf0) >> 2;
                }
+               ol_flags |= PKT_TX_TCP_CKSUM;
+               tcp_hdr->cksum = get_psd_sum(l3_hdr, ethertype, ol_flags);
 
        } else if (l4_proto == IPPROTO_SCTP) {
                sctp_hdr = (struct sctp_hdr *)((char *)l3_hdr + info->l3_len);
@@ -218,7 +221,7 @@ encapsulation(struct rte_mbuf *m, uint8_t queue_id)
        /* copy in IP header */
        ip = rte_memcpy(ip, &app_ip_hdr[vport_id],
                sizeof(struct ipv4_hdr));
-       ip->total_length = rte_cpu_to_be_16(m->data_len
+       ip->total_length = rte_cpu_to_be_16(m->pkt_len
                                - sizeof(struct ether_hdr));
 
        /* outer IP checksum */
@@ -237,6 +240,8 @@ encapsulation(struct rte_mbuf *m, uint8_t queue_id)
        m->outer_l2_len = sizeof(struct ether_hdr);
        m->outer_l3_len = sizeof(struct ipv4_hdr);
 
+       ol_flags |= PKT_TX_TUNNEL_VXLAN;
+
        m->ol_flags |= ol_flags;
        m->tso_segsz = tx_offload.tso_segsz;