struct udp_hdr *udp_hdr;
uint64_t inner_l3_offset = m->l2_len;
+#ifdef RTE_LIBRTE_ETHDEV_DEBUG
+ /*
+ * Does packet set any of available offloads?
+ * Mainly it is required to avoid fragmented headers check if
+ * no offloads are requested.
+ */
+ if (!(ol_flags & PKT_TX_OFFLOAD_MASK))
+ return 0;
+#endif
+
if ((ol_flags & PKT_TX_OUTER_IP_CKSUM) ||
(ol_flags & PKT_TX_OUTER_IPV6))
inner_l3_offset += m->outer_l2_len + m->outer_l3_len;
+#ifdef RTE_LIBRTE_ETHDEV_DEBUG
+ /*
+ * Check if headers are fragmented.
+ * The check could be less strict depending on which offloads are
+ * requested and headers to be used, but let's keep it simple.
+ */
+ if (unlikely(rte_pktmbuf_data_len(m) <
+ inner_l3_offset + m->l3_len + m->l4_len))
+ return -ENOTSUP;
+#endif
+
if (ol_flags & PKT_TX_IPV4) {
ipv4_hdr = rte_pktmbuf_mtod_offset(m, struct ipv4_hdr *,
inner_l3_offset);