#define EIR_SSP_RAND_R192 0x0F /* Simple Pairing Randomizer R-192 */
#define EIR_DEVICE_ID 0x10 /* device ID */
#define EIR_APPEARANCE 0x19 /* Device appearance */
+#define EIR_SERVICE_DATA 0x16 /* Service Data */
#define EIR_LE_BDADDR 0x1B /* LE Bluetooth device address */
#define EIR_LE_ROLE 0x1C /* LE role */
#define EIR_SSP_HASH_C256 0x1D /* Simple Pairing Hash C-256 */
return eir_append_le16(ptr, ad_len, EIR_APPEARANCE, hdev->appearance);
}
+u8 eir_append_service_data(u8 *eir, u16 eir_len, u16 uuid, u8 *data,
+ u8 data_len)
+{
+ eir[eir_len++] = sizeof(u8) + sizeof(uuid) + data_len;
+ eir[eir_len++] = EIR_SERVICE_DATA;
+ put_unaligned_le16(uuid, &eir[eir_len]);
+ eir_len += sizeof(uuid);
+ memcpy(&eir[eir_len], data, data_len);
+ eir_len += data_len;
+
+ return eir_len;
+}
+
static u8 *create_uuid16_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
{
u8 *ptr = data, *uuids_start = NULL;
return scan_rsp_len;
}
+
+void *eir_get_service_data(u8 *eir, size_t eir_len, u16 uuid, size_t *len)
+{
+ while ((eir = eir_get_data(eir, eir_len, EIR_SERVICE_DATA, len))) {
+ u16 value = get_unaligned_le16(eir);
+
+ if (uuid == value) {
+ if (len)
+ *len -= 2;
+ return &eir[2];
+ }
+
+ eir += *len;
+ eir_len -= *len;
+ }
+
+ return NULL;
+}
u8 eir_append_local_name(struct hci_dev *hdev, u8 *eir, u8 ad_len);
u8 eir_append_appearance(struct hci_dev *hdev, u8 *ptr, u8 ad_len);
+u8 eir_append_service_data(u8 *eir, u16 eir_len, u16 uuid, u8 *data,
+ u8 data_len);
static inline u16 eir_precalc_len(u8 data_len)
{
return NULL;
}
+
+void *eir_get_service_data(u8 *eir, size_t eir_len, u16 uuid, size_t *len);