ret = rte_gso_segment(pkts_burst[i], gso_ctx,
&gso_segments[nb_segments],
GSO_MAX_PKT_BURST - nb_segments);
- if (ret >= 0)
+ if (ret >= 1) {
+ /* pkts_burst[i] can be freed safely here. */
+ rte_pktmbuf_free(pkts_burst[i]);
nb_segments += ret;
- else {
+ } else if (ret == 0) {
+ /* 0 means it can be transmitted directly
+ * without gso.
+ */
+ gso_segments[nb_segments] = pkts_burst[i];
+ nb_segments += 1;
+ } else {
TESTPMD_LOG(DEBUG, "Unable to segment packet");
rte_pktmbuf_free(pkts_burst[i]);
}