diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/bluetooth/hci_core.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 33dff8ef2e0..393bb73fc99 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -868,6 +868,31 @@ static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, read_unlock(&hci_cb_list_lock); } +static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type) +{ + u8 field_len; + size_t parsed; + + for (parsed = 0; parsed < data_len - 1; parsed += field_len) { + field_len = data[0]; + + if (field_len == 0) + break; + + parsed += field_len + 1; + + if (parsed > data_len) + break; + + if (data[1] == type) + return true; + + data += field_len + 1; + } + + return false; +} + int hci_register_cb(struct hci_cb *hcb); int hci_unregister_cb(struct hci_cb *hcb); |