Dmitry Eremin-Solenikov(lumag) replied on github web page:

line 9
@@ -401,30 +401,39 @@ uint32_t odp_packet_buf_len(odp_packet_t pkt);
  * Packet data pointer
- * Returns the current packet data pointer. When a packet is received
- * from packet input, this points to the first byte of the received
- * packet. Packet level offsets are calculated relative to this position.
+ * Returns pointer to the first byte of packet data. When packet is segmented,
+ * only a portion of packet data follows the pointer. When unsure, use e.g.
+ * odp_packet_seg_len() to check the data length following the pointer. Packet

odp_packet_seg_len() **or odp_packet_offset()**, if you don't mind.
updated_at 2018-02-22 21:17:40

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