@@ -30,6 +30,7 @@
#define COLOR_UNKNOWN_EVENT_MASK COLOR_WHITE_BG
#define COLOR_UNKNOWN_SCAN_STATUS COLOR_WHITE_BG
+#define COLOR_UNKNOWN_EXT_EVENT COLOR_WHITE_BG
static void print_status(uint8_t status)
{
@@ -992,14 +993,501 @@ static const struct vendor_evt vendor_evt_table[] = {
{ }
};
-const struct vendor_evt *intel_vendor_evt(uint8_t evt)
+/*
+ * An Intel telemetry subevent is of the TLV format.
+ * - Type: takes 1 byte. This is the subevent_id.
+ * - Length: takes 1 byte.
+ * - Value: takes |Length| bytes.
+ */
+struct intel_tlv {
+ uint8_t subevent_id;
+ uint8_t length;
+ uint8_t value[];
+};
+
+#define TLV_SIZE(tlv) (*((const uint8_t *) tlv + 1) + 2 * sizeof(uint8_t))
+#define NEXT_TLV(tlv) (const struct intel_tlv *) \
+ ((const uint8_t *) tlv + TLV_SIZE(tlv))
+
+static void ext_evt_type(const struct intel_tlv *tlv)
+{
+ uint8_t evt_type = get_u8(tlv->value);
+ const char *str;
+
+ switch (evt_type) {
+ case 0x00:
+ str = "System Exception";
+ break;
+ case 0x01:
+ str = "Fatal Exception";
+ break;
+ case 0x02:
+ str = "Debug Exception";
+ break;
+ case 0x03:
+ str = "Connection Event for BR/EDR Link Type";
+ break;
+ case 0x04:
+ str = "Disconnection Event";
+ break;
+ case 0x05:
+ str = "Audio Link Quality Report Type";
+ break;
+ case 0x06:
+ str = "Stats for BR/EDR Link Type";
+ break;
+ default:
+ print_text(COLOR_UNKNOWN_EXT_EVENT,
+ "Unknown extended telemetry event type (0x%2.2x)",
+ evt_type);
+ packet_hexdump((const void *) tlv,
+ tlv->length + 2 * sizeof(uint8_t));
+ return;
+ }
+
+ print_field("Extended event type (0x%2.2x): %s (0x%2.2x)",
+ tlv->subevent_id, str, evt_type);
+}
+
+static void ext_acl_evt_conn_handle(const struct intel_tlv *tlv)
+{
+ uint16_t conn_handle = get_le16(tlv->value);
+
+ print_field("ACL connection handle (0x%2.2x): 0x%4.4x",
+ tlv->subevent_id, conn_handle);
+}
+
+static void ext_acl_evt_hec_errors(const struct intel_tlv *tlv)
+{
+ uint32_t num = get_le32(tlv->value);
+
+ print_field("Rx HEC errors (0x%2.2x): %d", tlv->subevent_id, num);
+}
+
+static void ext_acl_evt_crc_errors(const struct intel_tlv *tlv)
+{
+ uint32_t num = get_le32(tlv->value);
+
+ print_field("Rx CRC errors (0x%2.2x): %d", tlv->subevent_id, num);
+}
+
+static void ext_acl_evt_num_pkt_from_host(const struct intel_tlv *tlv)
+{
+ uint32_t num = get_le32(tlv->value);
+
+ print_field("Packets from host (0x%2.2x): %d",
+ tlv->subevent_id, num);
+}
+
+static void ext_acl_evt_num_tx_pkt_to_air(const struct intel_tlv *tlv)
+{
+ uint32_t num = get_le32(tlv->value);
+
+ print_field("Tx packets (0x%2.2x): %d", tlv->subevent_id, num);
+}
+
+static void ext_acl_evt_num_tx_pkt_retry(const struct intel_tlv *tlv)
+{
+ char *subevent_str;
+ uint32_t num = get_le32(tlv->value);
+
+ switch (tlv->subevent_id) {
+ case 0x4f:
+ subevent_str = "Tx packets 0 retries";
+ break;
+ case 0x50:
+ subevent_str = "Tx packets 1 retries";
+ break;
+ case 0x51:
+ subevent_str = "Tx packets 2 retries";
+ break;
+ case 0x52:
+ subevent_str = "Tx packets 3 retries";
+ break;
+ case 0x53:
+ subevent_str = "Tx packets 4 retries and more";
+ break;
+ default:
+ subevent_str = "Unknown";
+ break;
+ }
+
+ print_field("%s (0x%2.2x): %d", subevent_str, tlv->subevent_id, num);
+}
+
+static void ext_acl_evt_num_tx_pkt_type(const struct intel_tlv *tlv)
+{
+ char *packet_type_str;
+ uint32_t num = get_le32(tlv->value);
+
+ switch (tlv->subevent_id) {
+ case 0x54:
+ packet_type_str = "DH1";
+ break;
+ case 0x55:
+ packet_type_str = "DH3";
+ break;
+ case 0x56:
+ packet_type_str = "DH5";
+ break;
+ case 0x57:
+ packet_type_str = "2DH1";
+ break;
+ case 0x58:
+ packet_type_str = "2DH3";
+ break;
+ case 0x59:
+ packet_type_str = "2DH5";
+ break;
+ case 0x5a:
+ packet_type_str = "3DH1";
+ break;
+ case 0x5b:
+ packet_type_str = "3DH3";
+ break;
+ case 0x5c:
+ packet_type_str = "3DH5";
+ break;
+ default:
+ packet_type_str = "Unknown";
+ break;
+ }
+
+ print_field("Tx %s packets (0x%2.2x): %d",
+ packet_type_str, tlv->subevent_id, num);
+}
+
+static void ext_acl_evt_num_rx_pkt_from_air(const struct intel_tlv *tlv)
+{
+ uint32_t num = get_le32(tlv->value);
+
+ print_field("Rx packets (0x%2.2x): %d",
+ tlv->subevent_id, num);
+}
+
+static void ext_acl_evt_link_throughput(const struct intel_tlv *tlv)
+{
+ uint32_t num = get_le32(tlv->value);
+
+ print_field("ACL link throughput (KBps) (0x%2.2x): %d",
+ tlv->subevent_id, num);
+}
+
+static void ext_acl_evt_max_packet_latency(const struct intel_tlv *tlv)
+{
+ uint32_t num = get_le32(tlv->value);
+
+ print_field("ACL max packet latency (ms) (0x%2.2x): %d",
+ tlv->subevent_id, num);
+}
+
+static void ext_acl_evt_avg_packet_latency(const struct intel_tlv *tlv)
+{
+ uint32_t num = get_le32(tlv->value);
+
+ print_field("ACL avg packet latency (ms) (0x%2.2x): %d",
+ tlv->subevent_id, num);
+}
+
+static void ext_sco_evt_conn_handle(const struct intel_tlv *tlv)
+{
+ uint16_t conn_handle = get_le16(tlv->value);
+
+ print_field("SCO/eSCO connection handle (0x%2.2x): 0x%4.4x",
+ tlv->subevent_id, conn_handle);
+}
+
+static void ext_sco_evt_num_rx_pkt_from_air(const struct intel_tlv *tlv)
{
+ uint32_t num = get_le32(tlv->value);
+
+ print_field("Packets from host (0x%2.2x): %d", tlv->subevent_id, num);
+}
+
+static void ext_sco_evt_num_tx_pkt_to_air(const struct intel_tlv *tlv)
+{
+ uint32_t num = get_le32(tlv->value);
+
+ print_field("Tx packets (0x%2.2x): %d", tlv->subevent_id, num);
+}
+
+static void ext_sco_evt_num_rx_payloads_lost(const struct intel_tlv *tlv)
+{
+ uint32_t num = get_le32(tlv->value);
+
+ print_field("Rx payload lost (0x%2.2x): %d", tlv->subevent_id, num);
+}
+
+static void ext_sco_evt_num_tx_payloads_lost(const struct intel_tlv *tlv)
+{
+
+ uint32_t num = get_le32(tlv->value);
+
+ print_field("Tx payload lost (0x%2.2x): %d", tlv->subevent_id, num);
+}
+
+static void slots_errors(const struct intel_tlv *tlv, const char *type_str)
+{
+ /* The subevent has 5 slots where each slot is of the uint32_t type. */
+ uint32_t num[5];
+ const uint8_t *data = tlv->value;
+ int i;
+
+ if (tlv->length != 5 * sizeof(uint32_t)) {
+ print_text(COLOR_UNKNOWN_EXT_EVENT,
+ " Invalid subevent length (%d)", tlv->length);
+ return;
+ }
+
+ for (i = 0; i < 5; i++) {
+ num[i] = get_le32(data);
+ data += sizeof(uint32_t);
+ }
+
+ print_field("%s (0x%2.2x): %d %d %d %d %d", type_str, tlv->subevent_id,
+ num[0], num[1], num[2], num[3], num[4]);
+}
+
+static void ext_sco_evt_num_no_sync_errors(const struct intel_tlv *tlv)
+{
+ slots_errors(tlv, "Rx No SYNC errors");
+}
+
+static void ext_sco_evt_num_hec_errors(const struct intel_tlv *tlv)
+{
+ slots_errors(tlv, "Rx HEC errors");
+}
+
+static void ext_sco_evt_num_crc_errors(const struct intel_tlv *tlv)
+{
+ slots_errors(tlv, "Rx CRC errors");
+}
+
+static void ext_sco_evt_num_naks(const struct intel_tlv *tlv)
+{
+ slots_errors(tlv, "Rx NAK errors");
+}
+
+static void ext_sco_evt_num_failed_tx_by_wifi(const struct intel_tlv *tlv)
+{
+ slots_errors(tlv, "Failed Tx due to Wifi coex");
+}
+
+static void ext_sco_evt_num_failed_rx_by_wifi(const struct intel_tlv *tlv)
+{
+ slots_errors(tlv, "Failed Rx due to Wifi coex");
+}
+
+static void ext_sco_evt_samples_inserted(const struct intel_tlv *tlv)
+{
+ uint32_t num = get_le32(tlv->value);
+
+ print_field("Late samples inserted based on CDC (0x%2.2x): %d",
+ tlv->subevent_id, num);
+}
+
+static void ext_sco_evt_samples_dropped(const struct intel_tlv *tlv)
+{
+ uint32_t num = get_le32(tlv->value);
+
+ print_field("Samples dropped (0x%2.2x): %d", tlv->subevent_id, num);
+}
+
+static void ext_sco_evt_mute_samples(const struct intel_tlv *tlv)
+{
+ uint32_t num = get_le32(tlv->value);
+
+ print_field("Mute samples sent at initial connection (0x%2.2x): %d",
+ tlv->subevent_id, num);
+}
+
+static void ext_sco_evt_plc_injection_data(const struct intel_tlv *tlv)
+{
+ uint32_t num = get_le32(tlv->value);
+
+ print_field("PLC injection data (0x%2.2x): %d", tlv->subevent_id, num);
+}
+
+static const struct intel_ext_subevent {
+ uint8_t subevent_id;
+ uint8_t length;
+ void (*func)(const struct intel_tlv *tlv);
+} intel_ext_subevent_table[] = {
+ { 0x01, 1, ext_evt_type },
+
+ /* ACL audio link quality subevents */
+ { 0x4a, 2, ext_acl_evt_conn_handle },
+ { 0x4b, 4, ext_acl_evt_hec_errors },
+ { 0x4c, 4, ext_acl_evt_crc_errors },
+ { 0x4d, 4, ext_acl_evt_num_pkt_from_host },
+ { 0x4e, 4, ext_acl_evt_num_tx_pkt_to_air },
+ { 0x4f, 4, ext_acl_evt_num_tx_pkt_retry },
+ { 0x50, 4, ext_acl_evt_num_tx_pkt_retry },
+ { 0x51, 4, ext_acl_evt_num_tx_pkt_retry },
+ { 0x52, 4, ext_acl_evt_num_tx_pkt_retry },
+ { 0x53, 4, ext_acl_evt_num_tx_pkt_retry },
+ { 0x54, 4, ext_acl_evt_num_tx_pkt_type },
+ { 0x55, 4, ext_acl_evt_num_tx_pkt_type },
+ { 0x56, 4, ext_acl_evt_num_tx_pkt_type },
+ { 0x57, 4, ext_acl_evt_num_tx_pkt_type },
+ { 0x58, 4, ext_acl_evt_num_tx_pkt_type },
+ { 0x59, 4, ext_acl_evt_num_tx_pkt_type },
+ { 0x5a, 4, ext_acl_evt_num_tx_pkt_type },
+ { 0x5b, 4, ext_acl_evt_num_tx_pkt_type },
+ { 0x5c, 4, ext_acl_evt_num_tx_pkt_type },
+ { 0x5d, 4, ext_acl_evt_num_rx_pkt_from_air },
+ { 0x5e, 4, ext_acl_evt_link_throughput },
+ { 0x5f, 4, ext_acl_evt_max_packet_latency },
+ { 0x60, 4, ext_acl_evt_avg_packet_latency },
+
+ /* SCO/eSCO audio link quality subevents */
+ { 0x6a, 2, ext_sco_evt_conn_handle },
+ { 0x6b, 4, ext_sco_evt_num_rx_pkt_from_air },
+ { 0x6c, 4, ext_sco_evt_num_tx_pkt_to_air },
+ { 0x6d, 4, ext_sco_evt_num_rx_payloads_lost },
+ { 0x6e, 4, ext_sco_evt_num_tx_payloads_lost },
+ { 0x6f, 20, ext_sco_evt_num_no_sync_errors },
+ { 0x70, 20, ext_sco_evt_num_hec_errors },
+ { 0x71, 20, ext_sco_evt_num_crc_errors },
+ { 0x72, 20, ext_sco_evt_num_naks },
+ { 0x73, 20, ext_sco_evt_num_failed_tx_by_wifi },
+ { 0x74, 20, ext_sco_evt_num_failed_rx_by_wifi },
+ { 0x75, 4, ext_sco_evt_samples_inserted },
+ { 0x76, 4, ext_sco_evt_samples_dropped },
+ { 0x77, 4, ext_sco_evt_mute_samples },
+ { 0x78, 4, ext_sco_evt_plc_injection_data },
+
+ /* end */
+ { 0x0, 0}
+};
+
+static const struct intel_tlv *process_ext_subevent(const struct intel_tlv *tlv,
+ const struct intel_tlv *last_tlv)
+{
+ const struct intel_tlv *next_tlv = NEXT_TLV(tlv);
+ const struct intel_ext_subevent *subevent = NULL;
int i;
+ for (i = 0; intel_ext_subevent_table[i].length > 0; i++) {
+ if (intel_ext_subevent_table[i].subevent_id ==
+ tlv->subevent_id) {
+ subevent = &intel_ext_subevent_table[i];
+ break;
+ }
+ }
+
+ if (!subevent) {
+ print_text(COLOR_UNKNOWN_EXT_EVENT,
+ "Unknown extended subevent 0x%2.2x",
+ tlv->subevent_id);
+ return NULL;
+ }
+
+ if (tlv->length != subevent->length) {
+ print_text(COLOR_ERROR, "Invalid length %d of subevent 0x%2.2x",
+ tlv->length, tlv->subevent_id);
+ return NULL;
+ }
+
+ if (next_tlv > last_tlv) {
+ print_text(COLOR_ERROR, "Subevent exceeds the buffer size.");
+ return NULL;
+ }
+
+ subevent->func(tlv);
+
+ return next_tlv;
+}
+
+static void intel_vendor_ext_evt(const void *data, uint8_t size)
+{
+ /* The data pointer points to a number of tlv.*/
+ const struct intel_tlv *tlv = data;
+ const struct intel_tlv *last_tlv = data + size;
+
+ /* Process every tlv subevent until reaching last_tlv.
+ * The decoding process terminates normally when tlv == last_tlv.
+ */
+ while (tlv && tlv < last_tlv)
+ tlv = process_ext_subevent(tlv, last_tlv);
+
+ /* If an error occurs in decoding the subevents, hexdump the packet. */
+ if (!tlv)
+ packet_hexdump(data, size);
+}
+
+/* Vendor extended events with a vendor prefix. */
+static const struct vendor_evt vendor_prefix_evt_table[] = {
+ { 0x03, "Extended Telemetry", intel_vendor_ext_evt },
+ { }
+};
+
+const uint8_t intel_vendor_prefix[] = {0x87, 0x80};
+#define INTEL_VENDOR_PREFIX_SIZE sizeof(intel_vendor_prefix)
+
+/*
+ * The vendor event with Intel vendor prefix.
+ * Its format looks like
+ * 0xff <length> <vendor_prefix> <subopcode> <data>
+ * where Intel's <vendor_prefix> is 0x8780.
+ *
+ * When <subopcode> == 0x03, it is a telemetry event; and
+ * <data> is a number of tlv data.
+ */
+struct vendor_prefix_evt {
+ uint8_t prefix_data[INTEL_VENDOR_PREFIX_SIZE];
+ uint8_t subopcode;
+};
+
+static const struct vendor_evt *intel_vendor_prefix_evt(const void *data,
+ int *consumed_size)
+{
+ unsigned int i;
+ const struct vendor_prefix_evt *vnd = data;
+ char prefix_string[INTEL_VENDOR_PREFIX_SIZE * 2 + 1] = { 0 };
+
+ /* Check if the vendor prefix matches. */
+ for (i = 0; i < INTEL_VENDOR_PREFIX_SIZE; i++) {
+ if (vnd->prefix_data[i] != intel_vendor_prefix[i])
+ return NULL;
+ sprintf(prefix_string + i * 2, "%02x", vnd->prefix_data[i]);
+ }
+ print_field("Vendor Prefix (0x%s)", prefix_string);
+
+ /*
+ * Handle the vendor event with a vendor prefix.
+ * 0xff <length> <vendor_prefix> <subopcode> <data>
+ * This loop checks whether the <subopcode> exists in the
+ * vendor_prefix_evt_table.
+ */
+ for (i = 0; vendor_prefix_evt_table[i].str; i++) {
+ if (vendor_prefix_evt_table[i].evt == vnd->subopcode) {
+ *consumed_size = sizeof(struct vendor_prefix_evt);
+ return &vendor_prefix_evt_table[i];
+ }
+ }
+
+ return NULL;
+}
+
+const struct vendor_evt *intel_vendor_evt(const void *data, int *consumed_size)
+{
+ uint8_t evt = *((const uint8_t *) data);
+ int i;
+
+ /*
+ * Handle the vendor event without a vendor prefix.
+ * 0xff <length> <evt> <data>
+ * This loop checks whether the <evt> exists in the vendor_evt_table.
+ */
for (i = 0; vendor_evt_table[i].str; i++) {
if (vendor_evt_table[i].evt == evt)
return &vendor_evt_table[i];
}
- return NULL;
+ /*
+ * It is not a regular event. Check whether it is a vendor extended
+ * event that comes with a vendor prefix followed by a subopcode.
+ */
+ return intel_vendor_prefix_evt(data, consumed_size);
}
@@ -15,4 +15,4 @@ struct vendor_ocf;
struct vendor_evt;
const struct vendor_ocf *intel_vendor_ocf(uint16_t ocf);
-const struct vendor_evt *intel_vendor_evt(uint8_t evt);
+const struct vendor_evt *intel_vendor_evt(const void *data, int *consumed_size);
@@ -9371,9 +9371,14 @@ static const struct vendor_ocf *current_vendor_ocf(uint16_t ocf)
return NULL;
}
-static const struct vendor_evt *current_vendor_evt(uint8_t evt)
+static const struct vendor_evt *current_vendor_evt(const void *data,
+ int *consumed_size)
{
uint16_t manufacturer, msft_opcode;
+ uint8_t evt = *((const uint8_t *) data);
+
+ /* A regular vendor event consumes 1 byte. */
+ *consumed_size = 1;
if (index_current < MAX_INDEX) {
manufacturer = index_list[index_current].manufacturer;
@@ -9388,7 +9393,7 @@ static const struct vendor_evt *current_vendor_evt(uint8_t evt)
switch (manufacturer) {
case 2:
- return intel_vendor_evt(evt);
+ return intel_vendor_evt(data, consumed_size);
case 15:
return broadcom_vendor_evt(evt);
}
@@ -11007,10 +11012,10 @@ static void le_meta_event_evt(const void *data, uint8_t size)
static void vendor_evt(const void *data, uint8_t size)
{
- uint8_t subevent = *((const uint8_t *) data);
struct subevent_data vendor_data;
char vendor_str[150];
- const struct vendor_evt *vnd = current_vendor_evt(subevent);
+ int consumed_size;
+ const struct vendor_evt *vnd = current_vendor_evt(data, &consumed_size);
if (vnd) {
const char *str = current_vendor_str();
@@ -11021,12 +11026,13 @@ static void vendor_evt(const void *data, uint8_t size)
vendor_data.str = vendor_str;
} else
vendor_data.str = vnd->str;
- vendor_data.subevent = subevent;
+ vendor_data.subevent = vnd->evt;
vendor_data.func = vnd->evt_func;
vendor_data.size = vnd->evt_size;
vendor_data.fixed = vnd->evt_fixed;
- print_subevent(&vendor_data, data + 1, size - 1);
+ print_subevent(&vendor_data, data + consumed_size,
+ size - consumed_size);
} else {
uint16_t manufacturer;