api: packet: print packet data

Added debug print function which includes packet payload bytes.
Printing starts from offset, so it's easy to e.g. limit print
to IPv4 header bytes only:
odp_packet_print_data(pkt, l3_offset(pkt), 20)

Signed-off-by: Petri Savolainen <petri.savolainen@linaro.org>
Reviewed-by: Bill Fischofer <bill.fischofer@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Balasubramanian Manoharan <bala.manoharan@linaro.org>
Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org>

1 files changed, 15 insertions, 2 deletions

diff --git a/include/odp/api/spec/packet.h b/include/odp/api/spec/packet.h
index 62ecf70e1..3fc460641 100644
--- a/include/odp/api/spec/packet.h
+++ b/include/odp/api/spec/packet.h
@@ -1561,15 +1561,28 @@ void odp_packet_shaper_len_adjust_set(odp_packet_t pkt, int8_t adj);
  */
 
 /**
- * Print packet to the console
+ * Print packet debug information
  *
- * Print all packet debug information to the console.
+ * Print all packet debug information to the ODP log.
  *
  * @param pkt  Packet handle
  */
 void odp_packet_print(odp_packet_t pkt);
 
 /**
+ * Print packet data
+ *
+ * Print packet debug information with packet data to the ODP log. Operation
+ * prints 'len' bytes of packet data starting from 'offset' byte. Offset plus
+ * length must not exceed packet length (odp_packet_len()).
+ *
+ * @param pkt     Packet handle
+ * @param offset  Byte offset into the packet
+ * @param len     Number of bytes to print
+ */
+void odp_packet_print_data(odp_packet_t pkt, uint32_t offset, uint32_t len);
+
+/**
  * Perform full packet validity check
  *
  * The operation may consume considerable number of cpu cycles depending on