map-controller: Adding debug trace for channel preference

src/core/cntlr_map_debug.c

@@ -170,6 +170,50 @@ int debug_ap_caps_report(void *cntlr, struct cmdu_cstruct *cmdu)
 int debug_channel_pref_report(void *cntlr, struct cmdu_cstruct *cmdu)
 {
 	trace("%s: --->\n", __func__);
+	trace("parsing channel pref of |%s:" MACFMT "|\n", cmdu->intf_name,
+		MAC2STR(cmdu->origin));
+
+	int i, j, k;
+	uint8_t *tlv = NULL;
+
+	for (i = 0; i < cmdu->num_tlvs; i++) {
+		tlv = (uint8_t *) cmdu->tlvs[i];
+		trace("CMDU type: %s\n", map_stringify_tlv_type(*tlv));
+		switch (*tlv) {
+		case MAP_TLV_CHANNEL_PREFERENCE:
+			{
+				struct tlv_channel_pref  *p =
+					(struct tlv_channel_pref *)tlv;
+
+				trace("\tradio_id: " MACFMT "\n",
+						MAC2STR(p->radio_id));
+				trace("\tch_preference_op_class_nr: %d\n",
+						p->ch_preference_op_class_nr);
+
+				for (j = 0; j < p->ch_preference_op_class_nr;
+					j++) {
+					trace("\t\top_class: %d\n",
+						p->op_class[j].op_class);
+					trace("\t\tnon_op_ch_nr: %d\n",
+						p->op_class[j].channel_nr);
+
+			//for (k = 0; k < p->operating_class[j].channel_nr; k++)
+			//        trace("\t\t\tchannel: %d\n",
+			//            p->operating_class[j].channel_list[k]);
+					trace("\t\tpreference: %d\n",
+						p->op_class[j].preference);
+					trace("\t\tpreference_reason: %d\n",
+					p->op_class[j].preference_reason);
+				}
+				break;
+			}
+		default:
+				fprintf(stdout, "unknown TLV in CMDU:|%s|",
+				map_stringify_cmdu_type(cmdu->message_type));
+				break;
+		}
+		trace("\n");
+	}
 	return 0;
 }