1. Use rte_net_get_ptype() to parse packets instead.
2. Support TSO for packets with ipv6 extension header.

Signed-off-by: Jie Hai <haij...@huawei.com>
---
 app/test-pmd/csumonly.c | 522 ++++++++++------------------------------
 1 file changed, 128 insertions(+), 394 deletions(-)

diff --git a/app/test-pmd/csumonly.c b/app/test-pmd/csumonly.c
index d77a140641f3..2dcd6efedcb1 100644
--- a/app/test-pmd/csumonly.c
+++ b/app/test-pmd/csumonly.c
@@ -46,6 +46,7 @@
 #include <rte_gso.h>
 #endif
 #include <rte_geneve.h>
+#include <rte_net.h>
 
 #include "testpmd.h"
 
@@ -104,88 +105,6 @@ get_udptcp_checksum(struct rte_mbuf *m, void *l3_hdr, 
uint16_t l4_off,
                return rte_ipv6_udptcp_cksum_mbuf(m, l3_hdr, l4_off);
 }
 
-/* Parse an IPv4 header to fill l3_len, l4_len, and l4_proto */
-static void
-parse_ipv4(struct rte_ipv4_hdr *ipv4_hdr, struct testpmd_offload_info *info)
-{
-       struct rte_tcp_hdr *tcp_hdr;
-
-       info->l3_len = rte_ipv4_hdr_len(ipv4_hdr);
-       info->l4_proto = ipv4_hdr->next_proto_id;
-
-       /* only fill l4_len for TCP, it's useful for TSO */
-       if (info->l4_proto == IPPROTO_TCP) {
-               tcp_hdr = (struct rte_tcp_hdr *)
-                       ((char *)ipv4_hdr + info->l3_len);
-               info->l4_len = (tcp_hdr->data_off & 0xf0) >> 2;
-       } else if (info->l4_proto == IPPROTO_UDP)
-               info->l4_len = sizeof(struct rte_udp_hdr);
-       else
-               info->l4_len = 0;
-}
-
-/* Parse an IPv6 header to fill l3_len, l4_len, and l4_proto */
-static void
-parse_ipv6(struct rte_ipv6_hdr *ipv6_hdr, struct testpmd_offload_info *info)
-{
-       struct rte_tcp_hdr *tcp_hdr;
-
-       info->l3_len = sizeof(struct rte_ipv6_hdr);
-       info->l4_proto = ipv6_hdr->proto;
-
-       /* only fill l4_len for TCP, it's useful for TSO */
-       if (info->l4_proto == IPPROTO_TCP) {
-               tcp_hdr = (struct rte_tcp_hdr *)
-                       ((char *)ipv6_hdr + info->l3_len);
-               info->l4_len = (tcp_hdr->data_off & 0xf0) >> 2;
-       } else if (info->l4_proto == IPPROTO_UDP)
-               info->l4_len = sizeof(struct rte_udp_hdr);
-       else
-               info->l4_len = 0;
-}
-
-/*
- * Parse an ethernet header to fill the ethertype, l2_len, l3_len and
- * ipproto. This function is able to recognize IPv4/IPv6 with optional VLAN
- * headers. The l4_len argument is only set in case of TCP (useful for TSO).
- */
-static void
-parse_ethernet(struct rte_ether_hdr *eth_hdr, struct testpmd_offload_info 
*info)
-{
-       struct rte_ipv4_hdr *ipv4_hdr;
-       struct rte_ipv6_hdr *ipv6_hdr;
-       struct rte_vlan_hdr *vlan_hdr;
-
-       info->l2_len = sizeof(struct rte_ether_hdr);
-       info->ethertype = eth_hdr->ether_type;
-
-       while (info->ethertype == _htons(RTE_ETHER_TYPE_VLAN) ||
-              info->ethertype == _htons(RTE_ETHER_TYPE_QINQ)) {
-               vlan_hdr = (struct rte_vlan_hdr *)
-                       ((char *)eth_hdr + info->l2_len);
-               info->l2_len  += sizeof(struct rte_vlan_hdr);
-               info->ethertype = vlan_hdr->eth_proto;
-       }
-
-       switch (info->ethertype) {
-       case _htons(RTE_ETHER_TYPE_IPV4):
-               ipv4_hdr = (struct rte_ipv4_hdr *)
-                       ((char *)eth_hdr + info->l2_len);
-               parse_ipv4(ipv4_hdr, info);
-               break;
-       case _htons(RTE_ETHER_TYPE_IPV6):
-               ipv6_hdr = (struct rte_ipv6_hdr *)
-                       ((char *)eth_hdr + info->l2_len);
-               parse_ipv6(ipv6_hdr, info);
-               break;
-       default:
-               info->l4_len = 0;
-               info->l3_len = 0;
-               info->l4_proto = 0;
-               break;
-       }
-}
-
 /* Fill in outer layers length */
 static void
 update_tunnel_outer(struct testpmd_offload_info *info)
@@ -195,262 +114,7 @@ update_tunnel_outer(struct testpmd_offload_info *info)
        info->outer_l2_len = info->l2_len;
        info->outer_l3_len = info->l3_len;
        info->outer_l4_proto = info->l4_proto;
-}
-
-/*
- * Parse a GTP protocol header.
- * No optional fields and next extension header type.
- */
-static void
-parse_gtp(struct rte_udp_hdr *udp_hdr,
-         struct testpmd_offload_info *info)
-{
-       struct rte_ipv4_hdr *ipv4_hdr;
-       struct rte_ipv6_hdr *ipv6_hdr;
-       struct rte_gtp_hdr *gtp_hdr;
-       uint8_t gtp_len = sizeof(*gtp_hdr);
-       uint8_t ip_ver;
-
-       /* Check udp destination port. */
-       if (udp_hdr->dst_port != _htons(RTE_GTPC_UDP_PORT) &&
-           udp_hdr->src_port != _htons(RTE_GTPC_UDP_PORT) &&
-           udp_hdr->dst_port != _htons(RTE_GTPU_UDP_PORT))
-               return;
-
-       update_tunnel_outer(info);
-       info->l2_len = 0;
-
-       gtp_hdr = (struct rte_gtp_hdr *)((char *)udp_hdr +
-                 sizeof(struct rte_udp_hdr));
-       if (gtp_hdr->e || gtp_hdr->s || gtp_hdr->pn)
-               gtp_len += sizeof(struct rte_gtp_hdr_ext_word);
-       /*
-        * Check message type. If message type is 0xff, it is
-        * a GTP data packet. If not, it is a GTP control packet
-        */
-       if (gtp_hdr->msg_type == 0xff) {
-               ip_ver = *(uint8_t *)((char *)gtp_hdr + gtp_len);
-               ip_ver = (ip_ver) & 0xf0;
-
-               if (ip_ver == RTE_GTP_TYPE_IPV4) {
-                       ipv4_hdr = (struct rte_ipv4_hdr *)((char *)gtp_hdr +
-                                  gtp_len);
-                       info->ethertype = _htons(RTE_ETHER_TYPE_IPV4);
-                       parse_ipv4(ipv4_hdr, info);
-               } else if (ip_ver == RTE_GTP_TYPE_IPV6) {
-                       ipv6_hdr = (struct rte_ipv6_hdr *)((char *)gtp_hdr +
-                                  gtp_len);
-                       info->ethertype = _htons(RTE_ETHER_TYPE_IPV6);
-                       parse_ipv6(ipv6_hdr, info);
-               }
-       } else {
-               info->ethertype = 0;
-               info->l4_len = 0;
-               info->l3_len = 0;
-               info->l4_proto = 0;
-       }
-
-       info->l2_len += gtp_len + sizeof(*udp_hdr);
-}
-
-/* Parse a vxlan header */
-static void
-parse_vxlan(struct rte_udp_hdr *udp_hdr,
-           struct testpmd_offload_info *info)
-{
-       struct rte_ether_hdr *eth_hdr;
-
-       /* check udp destination port, RTE_VXLAN_DEFAULT_PORT (4789) is the
-        * default vxlan port (rfc7348) or that the rx offload flag is set
-        * (i40e only currently)
-        */
-       if (udp_hdr->dst_port != _htons(RTE_VXLAN_DEFAULT_PORT))
-               return;
-
-       update_tunnel_outer(info);
-
-       eth_hdr = (struct rte_ether_hdr *)((char *)udp_hdr +
-               sizeof(struct rte_udp_hdr) +
-               sizeof(struct rte_vxlan_hdr));
-
-       parse_ethernet(eth_hdr, info);
-       info->l2_len += RTE_ETHER_VXLAN_HLEN; /* add udp + vxlan */
-}
-
-/* Parse a vxlan-gpe header */
-static void
-parse_vxlan_gpe(struct rte_udp_hdr *udp_hdr,
-           struct testpmd_offload_info *info)
-{
-       struct rte_ether_hdr *eth_hdr;
-       struct rte_ipv4_hdr *ipv4_hdr;
-       struct rte_ipv6_hdr *ipv6_hdr;
-       struct rte_vxlan_gpe_hdr *vxlan_gpe_hdr;
-       uint8_t vxlan_gpe_len = sizeof(*vxlan_gpe_hdr);
-
-       /* Check udp destination port. */
-       if (udp_hdr->dst_port != _htons(vxlan_gpe_udp_port))
-               return;
-
-       vxlan_gpe_hdr = (struct rte_vxlan_gpe_hdr *)((char *)udp_hdr +
-                               sizeof(struct rte_udp_hdr));
-
-       if (!vxlan_gpe_hdr->proto || vxlan_gpe_hdr->proto ==
-           RTE_VXLAN_GPE_TYPE_IPV4) {
-               update_tunnel_outer(info);
-
-               ipv4_hdr = (struct rte_ipv4_hdr *)((char *)vxlan_gpe_hdr +
-                          vxlan_gpe_len);
-
-               parse_ipv4(ipv4_hdr, info);
-               info->ethertype = _htons(RTE_ETHER_TYPE_IPV4);
-               info->l2_len = 0;
-
-       } else if (vxlan_gpe_hdr->proto == RTE_VXLAN_GPE_TYPE_IPV6) {
-               update_tunnel_outer(info);
-
-               ipv6_hdr = (struct rte_ipv6_hdr *)((char *)vxlan_gpe_hdr +
-                          vxlan_gpe_len);
-
-               info->ethertype = _htons(RTE_ETHER_TYPE_IPV6);
-               parse_ipv6(ipv6_hdr, info);
-               info->l2_len = 0;
-
-       } else if (vxlan_gpe_hdr->proto == RTE_VXLAN_GPE_TYPE_ETH) {
-               update_tunnel_outer(info);
-
-               eth_hdr = (struct rte_ether_hdr *)((char *)vxlan_gpe_hdr +
-                         vxlan_gpe_len);
-
-               parse_ethernet(eth_hdr, info);
-       } else
-               return;
-
-       info->l2_len += RTE_ETHER_VXLAN_GPE_HLEN;
-}
-
-/* Parse a geneve header */
-static void
-parse_geneve(struct rte_udp_hdr *udp_hdr,
-           struct testpmd_offload_info *info)
-{
-       struct rte_ether_hdr *eth_hdr;
-       struct rte_ipv4_hdr *ipv4_hdr;
-       struct rte_ipv6_hdr *ipv6_hdr;
-       struct rte_geneve_hdr *geneve_hdr;
-       uint16_t geneve_len;
-
-       /* Check udp destination port. */
-       if (udp_hdr->dst_port != _htons(geneve_udp_port))
-               return;
-
-       geneve_hdr = (struct rte_geneve_hdr *)((char *)udp_hdr +
-                               sizeof(struct rte_udp_hdr));
-       geneve_len = sizeof(struct rte_geneve_hdr) + geneve_hdr->opt_len * 4;
-       if (!geneve_hdr->proto || geneve_hdr->proto ==
-           _htons(RTE_ETHER_TYPE_IPV4)) {
-               update_tunnel_outer(info);
-               ipv4_hdr = (struct rte_ipv4_hdr *)((char *)geneve_hdr +
-                          geneve_len);
-               parse_ipv4(ipv4_hdr, info);
-               info->ethertype = _htons(RTE_ETHER_TYPE_IPV4);
-               info->l2_len = 0;
-       } else if (geneve_hdr->proto == _htons(RTE_ETHER_TYPE_IPV6)) {
-               update_tunnel_outer(info);
-               ipv6_hdr = (struct rte_ipv6_hdr *)((char *)geneve_hdr +
-                          geneve_len);
-               info->ethertype = _htons(RTE_ETHER_TYPE_IPV6);
-               parse_ipv6(ipv6_hdr, info);
-               info->l2_len = 0;
-
-       } else if (geneve_hdr->proto == _htons(RTE_GENEVE_TYPE_ETH)) {
-               update_tunnel_outer(info);
-               eth_hdr = (struct rte_ether_hdr *)((char *)geneve_hdr +
-                         geneve_len);
-               parse_ethernet(eth_hdr, info);
-       } else
-               return;
-
-       info->l2_len +=
-               (sizeof(struct rte_udp_hdr) + sizeof(struct rte_geneve_hdr) +
-               ((struct rte_geneve_hdr *)geneve_hdr)->opt_len * 4);
-}
-
-/* Parse a gre header */
-static void
-parse_gre(struct simple_gre_hdr *gre_hdr, struct testpmd_offload_info *info)
-{
-       struct rte_ether_hdr *eth_hdr;
-       struct rte_ipv4_hdr *ipv4_hdr;
-       struct rte_ipv6_hdr *ipv6_hdr;
-       uint8_t gre_len = 0;
-
-       gre_len += sizeof(struct simple_gre_hdr);
-
-       if (gre_hdr->flags & _htons(GRE_KEY_PRESENT))
-               gre_len += GRE_EXT_LEN;
-       if (gre_hdr->flags & _htons(GRE_SEQUENCE_PRESENT))
-               gre_len += GRE_EXT_LEN;
-       if (gre_hdr->flags & _htons(GRE_CHECKSUM_PRESENT))
-               gre_len += GRE_EXT_LEN;
-
-       if (gre_hdr->proto == _htons(RTE_ETHER_TYPE_IPV4)) {
-               update_tunnel_outer(info);
-
-               ipv4_hdr = (struct rte_ipv4_hdr *)((char *)gre_hdr + gre_len);
-
-               parse_ipv4(ipv4_hdr, info);
-               info->ethertype = _htons(RTE_ETHER_TYPE_IPV4);
-               info->l2_len = 0;
-
-       } else if (gre_hdr->proto == _htons(RTE_ETHER_TYPE_IPV6)) {
-               update_tunnel_outer(info);
-
-               ipv6_hdr = (struct rte_ipv6_hdr *)((char *)gre_hdr + gre_len);
-
-               info->ethertype = _htons(RTE_ETHER_TYPE_IPV6);
-               parse_ipv6(ipv6_hdr, info);
-               info->l2_len = 0;
-
-       } else if (gre_hdr->proto == _htons(RTE_ETHER_TYPE_TEB)) {
-               update_tunnel_outer(info);
-
-               eth_hdr = (struct rte_ether_hdr *)((char *)gre_hdr + gre_len);
-
-               parse_ethernet(eth_hdr, info);
-       } else
-               return;
-
-       info->l2_len += gre_len;
-}
-
-
-/* Parse an encapsulated ip or ipv6 header */
-static void
-parse_encap_ip(void *encap_ip, struct testpmd_offload_info *info)
-{
-       struct rte_ipv4_hdr *ipv4_hdr = encap_ip;
-       struct rte_ipv6_hdr *ipv6_hdr = encap_ip;
-       uint8_t ip_version;
-
-       ip_version = (ipv4_hdr->version_ihl & 0xf0) >> 4;
-
-       if (ip_version != 4 && ip_version != 6)
-               return;
-
-       info->is_tunnel = 1;
-       info->outer_ethertype = info->ethertype;
-       info->outer_l2_len = info->l2_len;
-       info->outer_l3_len = info->l3_len;
-
-       if (ip_version == 4) {
-               parse_ipv4(ipv4_hdr, info);
-               info->ethertype = _htons(RTE_ETHER_TYPE_IPV4);
-       } else {
-               parse_ipv6(ipv6_hdr, info);
-               info->ethertype = _htons(RTE_ETHER_TYPE_IPV6);
-       }
-       info->l2_len = 0;
+       info->l4_proto = 0;
 }
 
 /* if possible, calculate the checksum of a packet in hw or sw,
@@ -799,6 +463,109 @@ pkts_ip_csum_recalc(struct rte_mbuf **pkts_burst, const 
uint16_t nb_pkts, uint64
 }
 #endif
 
+static uint32_t
+get_ethertype_by_ptype(struct rte_ether_hdr *eth_hdr, uint32_t ptype)
+{
+       struct rte_vlan_hdr *vlan_hdr;
+       uint16_t ethertype;
+
+       switch (ptype) {
+       case RTE_PTYPE_L3_IPV4:
+       case RTE_PTYPE_L3_IPV4_EXT:
+       case RTE_PTYPE_L3_IPV4_EXT_UNKNOWN:
+       case RTE_PTYPE_INNER_L3_IPV4:
+       case RTE_PTYPE_INNER_L3_IPV4_EXT:
+       case RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN:
+               return _htons(RTE_ETHER_TYPE_IPV4);
+       case RTE_PTYPE_L3_IPV6:
+       case RTE_PTYPE_L3_IPV6_EXT:
+       case RTE_PTYPE_L3_IPV6_EXT_UNKNOWN:
+       case RTE_PTYPE_INNER_L3_IPV6:
+       case RTE_PTYPE_INNER_L3_IPV6_EXT:
+       case RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN:
+               return _htons(RTE_ETHER_TYPE_IPV6);
+       default:
+               ethertype = eth_hdr->ether_type;
+               while (eth_hdr->ether_type == _htons(RTE_ETHER_TYPE_VLAN) ||
+                       eth_hdr->ether_type == _htons(RTE_ETHER_TYPE_QINQ)) {
+                       vlan_hdr = (struct rte_vlan_hdr *)
+                               ((char *)eth_hdr + sizeof(*eth_hdr));
+                       ethertype = vlan_hdr->eth_proto;
+               }
+               return ethertype;
+       }
+}
+
+static uint64_t
+get_tunnel_ol_flags_by_ptype(uint32_t ptype)
+{
+       switch ((ptype & RTE_PTYPE_TUNNEL_MASK)) {
+       case RTE_PTYPE_TUNNEL_GTPC:
+       case RTE_PTYPE_TUNNEL_GTPU:
+               return RTE_MBUF_F_TX_TUNNEL_GTP;
+       case RTE_PTYPE_TUNNEL_VXLAN_GPE:
+               return RTE_MBUF_F_TX_TUNNEL_VXLAN_GPE;
+       case RTE_PTYPE_TUNNEL_VXLAN:
+               return RTE_MBUF_F_TX_TUNNEL_VXLAN;
+       case RTE_PTYPE_TUNNEL_GENEVE:
+               return RTE_MBUF_F_TX_TUNNEL_GENEVE;
+       case RTE_PTYPE_TUNNEL_NVGRE:
+       case RTE_PTYPE_TUNNEL_GRE:
+               return RTE_MBUF_F_TX_TUNNEL_GRE;
+       case RTE_PTYPE_TUNNEL_IP:
+               return RTE_MBUF_F_TX_TUNNEL_IPIP;
+       default:
+               printf("unrecognized tunnel ptype: %x\n",
+                       (ptype & RTE_PTYPE_TUNNEL_MASK));
+               return 0;
+       }
+}
+
+static void
+parse_inner_l4_proto(void *outer_l3_hdr,
+                       struct testpmd_offload_info *info)
+{
+       struct rte_ipv4_hdr *ipv4_hdr = outer_l3_hdr;
+       struct rte_ipv6_hdr *ipv6_hdr = outer_l3_hdr;
+       if (info->ethertype == _htons(RTE_ETHER_TYPE_IPV4))
+               info->l4_proto = ipv4_hdr->next_proto_id;
+       else
+               info->l4_proto = ipv6_hdr->proto;
+}
+
+static uint8_t
+parse_l4_proto(const struct rte_mbuf *m, uint32_t off, uint32_t ptype)
+{
+       int frag = 0, ret;
+
+       if (RTE_ETH_IS_IPV4_HDR(ptype)) {
+               const struct rte_ipv4_hdr *ip4h;
+               struct rte_ipv4_hdr ip4h_copy;
+               ip4h = rte_pktmbuf_read(m, off, sizeof(*ip4h), &ip4h_copy);
+               if (unlikely(ip4h == NULL))
+                       return 0;
+
+               return ip4h->next_proto_id;
+       } else if (RTE_ETH_IS_IPV6_HDR(ptype)) {
+               const struct rte_ipv6_hdr *ip6h;
+               struct rte_ipv6_hdr ip6h_copy;
+               ip6h = rte_pktmbuf_read(m, off, sizeof(*ip6h), &ip6h_copy);
+               if (unlikely(ip6h == NULL))
+                       return 0;
+
+               if ((ptype & RTE_PTYPE_INNER_L3_MASK) ==
+                               RTE_PTYPE_INNER_L3_IPV6_EXT) {
+                       ret = rte_net_skip_ip6_ext(ip6h->proto, m, &off, &frag);
+                       if (ret < 0)
+                               return 0;
+                       return ret;
+               }
+
+               return ip6h->proto;
+       }
+       return 0;
+}
+
 /*
  * Receive a burst of packets, and for each packet:
  *  - parse packet, and try to recognize a supported packet type (1)
@@ -856,6 +623,8 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)
        uint32_t rx_bad_outer_l4_csum;
        uint32_t rx_bad_outer_ip_csum;
        struct testpmd_offload_info info;
+       struct rte_net_hdr_lens hdr_lens = {0};
+       uint32_t ptype;
 
        /* receive a burst of packet */
        nb_rx = common_fwd_stream_receive(fs, pkts_burst, nb_pkt_per_burst);
@@ -924,70 +693,35 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)
                        rte_ether_addr_copy(&ports[fs->tx_port].eth_addr,
                                            &eth_hdr->src_addr);
                }
-               parse_ethernet(eth_hdr, &info);
-               l3_hdr = (char *)eth_hdr + info.l2_len;
 
+               ptype = rte_net_get_ptype(m, &hdr_lens, RTE_PTYPE_ALL_MASK);
+               info.l2_len = hdr_lens.l2_len;
+               info.l3_len = hdr_lens.l3_len;
+               info.l4_len = hdr_lens.l4_len;
+               info.ethertype = get_ethertype_by_ptype(eth_hdr,
+                                       ptype & RTE_PTYPE_L3_MASK);
+               info.l4_proto = parse_l4_proto(m, info.l2_len, ptype);
+
+               l3_hdr = (char *)eth_hdr + info.l2_len;
                /* check if it's a supported tunnel */
-               if (txp->parse_tunnel) {
-                       if (info.l4_proto == IPPROTO_UDP) {
-                               struct rte_udp_hdr *udp_hdr;
-
-                               udp_hdr = (struct rte_udp_hdr *)
-                                       ((char *)l3_hdr + info.l3_len);
-                               parse_gtp(udp_hdr, &info);
-                               if (info.is_tunnel) {
-                                       tx_ol_flags |= RTE_MBUF_F_TX_TUNNEL_GTP;
-                                       goto tunnel_update;
-                               }
-                               parse_vxlan_gpe(udp_hdr, &info);
-                               if (info.is_tunnel) {
-                                       tx_ol_flags |=
-                                               RTE_MBUF_F_TX_TUNNEL_VXLAN_GPE;
-                                       goto tunnel_update;
-                               }
-                               parse_vxlan(udp_hdr, &info);
-                               if (info.is_tunnel) {
-                                       tx_ol_flags |=
-                                               RTE_MBUF_F_TX_TUNNEL_VXLAN;
-                                       goto tunnel_update;
-                               }
-                               parse_geneve(udp_hdr, &info);
-                               if (info.is_tunnel) {
-                                       tx_ol_flags |=
-                                               RTE_MBUF_F_TX_TUNNEL_GENEVE;
-                                       goto tunnel_update;
-                               }
-                               /* Always keep last. */
-                               if (unlikely(RTE_ETH_IS_TUNNEL_PKT(
-                                                       m->packet_type) != 0)) {
-                                       TESTPMD_LOG(DEBUG, "Unknown tunnel 
packet. UDP dst port: %hu",
-                                               udp_hdr->dst_port);
-                               }
-                       } else if (info.l4_proto == IPPROTO_GRE) {
-                               struct simple_gre_hdr *gre_hdr;
-
-                               gre_hdr = (struct simple_gre_hdr *)
-                                       ((char *)l3_hdr + info.l3_len);
-                               parse_gre(gre_hdr, &info);
-                               if (info.is_tunnel)
-                                       tx_ol_flags |= RTE_MBUF_F_TX_TUNNEL_GRE;
-                       } else if (info.l4_proto == IPPROTO_IPIP) {
-                               void *encap_ip_hdr;
-
-                               encap_ip_hdr = (char *)l3_hdr + info.l3_len;
-                               parse_encap_ip(encap_ip_hdr, &info);
-                               if (info.is_tunnel)
-                                       tx_ol_flags |= 
RTE_MBUF_F_TX_TUNNEL_IPIP;
-                       }
+               if (txp->parse_tunnel && RTE_ETH_IS_TUNNEL_PKT(ptype) != 0) {
+                       info.is_tunnel = 1;
+                       update_tunnel_outer(&info);
+                       info.l2_len = hdr_lens.inner_l2_len + 
hdr_lens.tunnel_len;
+                       info.l3_len = hdr_lens.inner_l3_len;
+                       info.l4_len = hdr_lens.inner_l4_len;
+                       eth_hdr = (struct rte_ether_hdr *)(char *)l3_hdr +
+                                       info.outer_l3_len + hdr_lens.tunnel_len;
+                       info.ethertype = get_ethertype_by_ptype(eth_hdr,
+                                               ptype & 
RTE_PTYPE_INNER_L3_MASK);
+                       tx_ol_flags |= get_tunnel_ol_flags_by_ptype(ptype);
                }
-
-tunnel_update:
                /* update l3_hdr and outer_l3_hdr if a tunnel was parsed */
                if (info.is_tunnel) {
                        outer_l3_hdr = l3_hdr;
                        l3_hdr = (char *)l3_hdr + info.outer_l3_len + 
info.l2_len;
+                       parse_inner_l4_proto(l3_hdr, &info);
                }
-
                /* step 2: depending on user command line configuration,
                 * recompute checksum either in software or flag the
                 * mbuf to offload the calculation to the NIC. If TSO
-- 
2.22.0

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