mac802154: Trace the registration of new PANs

Add an internal trace when valid beacons are received.
Signed-off-by: NDavid Girault <david.girault@qorvo.com>
Signed-off-by: NMiquel Raynal <miquel.raynal@bootlin.com>
Acked-by: NAlexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/r/20221129135535.532513-3-miquel.raynal@bootlin.comSigned-off-by: NStefan Schmidt <stefan@datenfreihafen.org>

net/mac802154/trace.h

@@ -264,6 +264,31 @@ TRACE_EVENT(802154_drv_set_promiscuous_mode,
 		  BOOL_TO_STR(__entry->on))
 );
 
+TRACE_EVENT(802154_new_scan_event,
+	TP_PROTO(struct ieee802154_coord_desc *desc),
+	TP_ARGS(desc),
+	TP_STRUCT__entry(
+		__field(__le16, pan_id)
+		__field(__le64, addr)
+		__field(u8, channel)
+		__field(u8, page)
+	),
+	TP_fast_assign(
+		__entry->page = desc->page;
+		__entry->channel = desc->channel;
+		__entry->pan_id = desc->addr.pan_id;
+		__entry->addr = desc->addr.extended_addr;
+	),
+	TP_printk("panid: %u, coord_addr: 0x%llx, page: %u, channel: %u",
+		  __le16_to_cpu(__entry->pan_id), __le64_to_cpu(__entry->addr),
+		  __entry->page, __entry->channel)
+);
+
+DEFINE_EVENT(802154_new_scan_event, 802154_scan_event,
+	TP_PROTO(struct ieee802154_coord_desc *desc),
+	TP_ARGS(desc)
+);
+
 #endif /* !__MAC802154_DRIVER_TRACE || TRACE_HEADER_MULTI_READ */
 
 #undef TRACE_INCLUDE_PATH