qcacmn: Add debug logging To Tx/Rx path

Add Tx completion status value to the logging
of Tx completions. In addition dump Rx meta-data
and first few bytes of Rx packet only on NAPIER
EMULATION platform. This is only to facilitate
faster debug from the logs, and will be disabled,
once we have more stability.

Change-Id: I69d9e2fd6ad32efe01b8e56f355db5ed6d4d2e70
CRs-Fixed: 1116939

dp/wifi3.0/dp_rx.c

@@ -374,6 +374,16 @@ done:
 			qdf_nbuf_pull_head(nbuf,
 					   RX_PKT_TLVS_LEN + l2_hdr_offset);
 
+#ifdef QCA_WIFI_NAPIER_EMULATION /* Debug code, remove later */
+			QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
+				"p_id %d msdu_len %d hdr_off %d",
+				peer_id, msdu_len, l2_hdr_offset);
+
+			print_hex_dump(KERN_ERR,
+				       "\t Pkt Data:", DUMP_PREFIX_NONE, 32, 4,
+					qdf_nbuf_data(nbuf), 128, false);
+#endif /* NAPIER_EMULATION */
+
 			/* TODO */
 			/* WDS Source Port Learning */