+ } else if ((proto == rte_cpu_to_be_16(RTE_ETHER_TYPE_MPLS)) ||
+ (proto == rte_cpu_to_be_16(RTE_ETHER_TYPE_MPLSM))) {
+ unsigned int i;
+ const struct mpls_hdr *mh;
+ struct mpls_hdr mh_copy;
+
+#define MAX_MPLS_HDR 5
+ for (i = 0; i < MAX_MPLS_HDR; i++) {
+ mh = rte_pktmbuf_read(m, off + (i * sizeof(*mh)),
+ sizeof(*mh), &mh_copy);
+ if (unlikely(mh == NULL))
+ return pkt_type;
+ }
+ if (i == MAX_MPLS_HDR)
+ return pkt_type;
+ pkt_type = RTE_PTYPE_L2_ETHER_MPLS;
+ hdr_lens->l2_len += (sizeof(*mh) * i);
+ return pkt_type;