+
+ if ((layers & RTE_PTYPE_TUNNEL_MASK) == 0)
+ return pkt_type;
+
+ pkt_type |= ptype_tunnel(&proto, m, &off);
+ hdr_lens->tunnel_len = off - prev_off;
+ }
+
+ /* same job for inner header: we need to duplicate the code
+ * because the packet types do not have the same value.
+ */
+ if ((layers & RTE_PTYPE_INNER_L2_MASK) == 0)
+ return pkt_type;
+
+ hdr_lens->inner_l2_len = 0;
+ if (proto == rte_cpu_to_be_16(RTE_ETHER_TYPE_TEB)) {
+ eh = rte_pktmbuf_read(m, off, sizeof(*eh), &eh_copy);
+ if (unlikely(eh == NULL))
+ return pkt_type;
+ pkt_type |= RTE_PTYPE_INNER_L2_ETHER;
+ proto = eh->ether_type;
+ off += sizeof(*eh);
+ hdr_lens->inner_l2_len = sizeof(*eh);
+ }
+
+ if (proto == rte_cpu_to_be_16(RTE_ETHER_TYPE_VLAN)) {
+ const struct rte_vlan_hdr *vh;
+ struct rte_vlan_hdr vh_copy;
+
+ pkt_type &= ~RTE_PTYPE_INNER_L2_MASK;
+ pkt_type |= RTE_PTYPE_INNER_L2_ETHER_VLAN;
+ vh = rte_pktmbuf_read(m, off, sizeof(*vh), &vh_copy);
+ if (unlikely(vh == NULL))
+ return pkt_type;
+ off += sizeof(*vh);
+ hdr_lens->inner_l2_len += sizeof(*vh);
+ proto = vh->eth_proto;
+ } else if (proto == rte_cpu_to_be_16(RTE_ETHER_TYPE_QINQ)) {
+ const struct rte_vlan_hdr *vh;
+ struct rte_vlan_hdr vh_copy;
+
+ pkt_type &= ~RTE_PTYPE_INNER_L2_MASK;
+ pkt_type |= RTE_PTYPE_INNER_L2_ETHER_QINQ;
+ vh = rte_pktmbuf_read(m, off + sizeof(*vh), sizeof(*vh),
+ &vh_copy);
+ if (unlikely(vh == NULL))
+ return pkt_type;
+ off += 2 * sizeof(*vh);
+ hdr_lens->inner_l2_len += 2 * sizeof(*vh);
+ proto = vh->eth_proto;
+ }
+
+ if ((layers & RTE_PTYPE_INNER_L3_MASK) == 0)
+ return pkt_type;
+
+ if (proto == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPv4)) {
+ 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 pkt_type;
+
+ pkt_type |= ptype_inner_l3_ip(ip4h->version_ihl);
+ hdr_lens->inner_l3_len = ip4_hlen(ip4h);
+ off += hdr_lens->inner_l3_len;
+
+ if ((layers & RTE_PTYPE_INNER_L4_MASK) == 0)
+ return pkt_type;
+ if (ip4h->fragment_offset &
+ rte_cpu_to_be_16(IPV4_HDR_OFFSET_MASK |
+ IPV4_HDR_MF_FLAG)) {
+ pkt_type |= RTE_PTYPE_INNER_L4_FRAG;
+ hdr_lens->inner_l4_len = 0;
+ return pkt_type;
+ }
+ proto = ip4h->next_proto_id;
+ pkt_type |= ptype_inner_l4(proto);
+ } else if (proto == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPv6)) {
+ const struct rte_ipv6_hdr *ip6h;
+ struct rte_ipv6_hdr ip6h_copy;
+ int frag = 0;
+
+ ip6h = rte_pktmbuf_read(m, off, sizeof(*ip6h), &ip6h_copy);
+ if (unlikely(ip6h == NULL))
+ return pkt_type;
+
+ proto = ip6h->proto;
+ hdr_lens->inner_l3_len = sizeof(*ip6h);
+ off += hdr_lens->inner_l3_len;
+ pkt_type |= ptype_inner_l3_ip6(proto);
+ if ((pkt_type & RTE_PTYPE_INNER_L3_MASK) ==
+ RTE_PTYPE_INNER_L3_IPV6_EXT) {
+ uint32_t prev_off;
+
+ prev_off = off;
+ ret = rte_net_skip_ip6_ext(proto, m, &off, &frag);
+ if (ret < 0)
+ return pkt_type;
+ proto = ret;
+ hdr_lens->inner_l3_len += off - prev_off;
+ }
+ if (proto == 0)
+ return pkt_type;
+
+ if ((layers & RTE_PTYPE_INNER_L4_MASK) == 0)
+ return pkt_type;
+
+ if (frag) {
+ pkt_type |= RTE_PTYPE_INNER_L4_FRAG;
+ hdr_lens->inner_l4_len = 0;
+ return pkt_type;
+ }
+ pkt_type |= ptype_inner_l4(proto);
+ }
+
+ if ((pkt_type & RTE_PTYPE_INNER_L4_MASK) == RTE_PTYPE_INNER_L4_UDP) {
+ hdr_lens->inner_l4_len = sizeof(struct udp_hdr);
+ } else if ((pkt_type & RTE_PTYPE_INNER_L4_MASK) ==
+ RTE_PTYPE_INNER_L4_TCP) {
+ const struct tcp_hdr *th;
+ struct tcp_hdr th_copy;
+
+ th = rte_pktmbuf_read(m, off, sizeof(*th), &th_copy);
+ if (unlikely(th == NULL))
+ return pkt_type & (RTE_PTYPE_INNER_L2_MASK |
+ RTE_PTYPE_INNER_L3_MASK);
+ hdr_lens->inner_l4_len = (th->data_off & 0xf0) >> 2;
+ } else if ((pkt_type & RTE_PTYPE_INNER_L4_MASK) ==
+ RTE_PTYPE_INNER_L4_SCTP) {
+ hdr_lens->inner_l4_len = sizeof(struct sctp_hdr);
+ } else {
+ hdr_lens->inner_l4_len = 0;