[PATCH 2/3] monitor: Decode LE Periodic Advertising Report Event

[Szymon Janc <szymon.janc@codecoup.pl>]

> HCI Event: LE Meta Event (0x3e) plen 18                                                                                                                                                               #19 [hci2] 16.562639
      LE Periodic Advertising Report (0x0f)
        Sync handle: 0
        TX power: -4 dbm (0xfc)
        RSSI: -55 dBm (0xc9)
        Unused: (0xff)
        Data status: Complete
        Data length: 0x0a
        b0 b1 b2 b3 b4 b5 b6 b7 b8 b9
---
 monitor/bt.h     | 11 +++++++++++
 monitor/packet.c | 46 +++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 56 insertions(+), 1 deletion(-)

diff --git a/monitor/bt.h b/monitor/bt.h
index 6494c928f..8622ea4d4 100644
--- a/monitor/bt.h
+++ b/monitor/bt.h
@@ -3103,6 +3103,17 @@ struct bt_hci_evt_le_per_sync_established {
 	uint8_t  clock_accuracy;
 } __attribute__ ((packed));
 
+#define BT_HCI_EVT_LE_PER_ADV_REPORT	0x0f
+struct bt_hci_le_per_adv_report {
+	uint16_t handle;
+	uint8_t  tx_power;
+	int8_t   rssi;
+	uint8_t  unused;
+	uint8_t  data_status;
+	uint8_t  data_len;
+	uint8_t  data[0];
+} __attribute__ ((packed));
+
 #define BT_HCI_EVT_LE_ADV_SET_TERM		0x12
 struct bt_hci_evt_le_adv_set_term {
 	uint8_t  status;
diff --git a/monitor/packet.c b/monitor/packet.c
index 3235ad004..8b2671edb 100644
--- a/monitor/packet.c
+++ b/monitor/packet.c
@@ -9631,6 +9631,49 @@ static void le_per_adv_sync(const void *data, uint8_t size)
 	print_field("Advertiser clock accuracy: 0x%2.2x", evt->clock_accuracy);
 }
 
+static void le_per_adv_report_evt(const void *data, uint8_t size)
+{
+	const struct bt_hci_le_per_adv_report *evt = data;
+	const char *color_on;
+	const char *str;
+
+	print_field("Sync handle: %d", evt->handle);
+	print_power_level(evt->tx_power, NULL);
+	if (evt->rssi == 127)
+		print_field("RSSI: not available (0x%2.2x)",
+						(uint8_t) evt->rssi);
+	else if (evt->rssi >= -127 && evt->rssi <= 20)
+		print_field("RSSI: %d dBm (0x%2.2x)",
+				evt->rssi, (uint8_t) evt->rssi);
+	else
+		print_field("RSSI: reserved (0x%2.2x)",
+						(uint8_t) evt->rssi);
+	print_field("Unused: (0x%2.2x)", evt->unused);
+
+	switch (evt->data_status) {
+	case 0x00:
+		str = "Complete";
+		color_on = COLOR_GREEN;
+		break;
+	case 0x01:
+		str = "Incomplete, more data to come";
+		color_on = COLOR_YELLOW;
+		break;
+	case 0x02:
+		str = "Incomplete, data truncated, no more to come";
+		color_on = COLOR_RED;
+		break;
+	default:
+		str = "Reserved";
+		color_on = COLOR_RED;
+		break;
+	}
+
+	print_field("Data status: %s%s%s", color_on, str, COLOR_OFF);
+	print_field("Data length: 0x%2.2x", evt->data_len);
+	packet_hexdump(evt->data, evt->data_len);
+}
+
 static void le_adv_set_term_evt(const void *data, uint8_t size)
 {
 	const struct bt_hci_evt_le_adv_set_term *evt = data;
@@ -9746,7 +9789,8 @@ static const struct subevent_data le_meta_event_table[] = {
 				le_ext_adv_report_evt, 1, false},
 	{ 0x0e, "LE Periodic Advertising Sync Established",
 				le_per_adv_sync, 15, true },
-	{ 0x0f, "LE Periodic Advertising Report" },
+	{ 0x0f, "LE Periodic Advertising Report",
+				le_per_adv_report_evt, 7, false},
 	{ 0x10, "LE Periodic Advertising Sync Lost" },
 	{ 0x11, "LE Scan Timeout" },
 	{ 0x12, "LE Advertising Set Terminated",
-- 
2.20.1