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-rw-r--r--include/odp/api/packet_io.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/include/odp/api/packet_io.h b/include/odp/api/packet_io.h
index e00d011c4..178d98b43 100644
--- a/include/odp/api/packet_io.h
+++ b/include/odp/api/packet_io.h
@@ -19,7 +19,18 @@ extern "C" {
#endif
/** @defgroup odp_packet_io ODP PACKET IO
- * Operations on a packet.
+ * Operations on a packet Input/Output interface.
+ *
+ * Packet IO is the Ingress and Egress interface to ODP processing. It
+ * allows manipulation of the interface for setting such attributes as
+ * the mtu, mac etc.
+ * Pktio is usually followed by the classifier and a default class COS
+ * can be set so that the scheduler may distribute flows. The interface
+ * may be used directly in polled mode with odp_pktio_recv() &
+ * odp_pktio_send().
+ * Diagnostic messages can be enhanced by using odp_pktio_to_u64 which
+ * will generate a printable reference for a pktio handle for use with
+ * the logging @ref odp_ver_abt_log_dbg.
* @{
*/