diff options
Diffstat (limited to 'net/bluetooth/mgmt.c')
| -rw-r--r-- | net/bluetooth/mgmt.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 0110a75661ef..fbc8edf7dc1f 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -510,6 +510,39 @@ static u8 *create_uuid32_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len) return ptr; } +static u8 *create_uuid128_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len) +{ + u8 *ptr = data, *uuids_start = NULL; + struct bt_uuid *uuid; + + if (len < 18) + return ptr; + + list_for_each_entry(uuid, &hdev->uuids, list) { + if (uuid->size != 128) + continue; + + if (!uuids_start) { + uuids_start = ptr; + uuids_start[0] = 1; + uuids_start[1] = EIR_UUID128_ALL; + ptr += 2; + } + + /* Stop if not enough space to put next UUID */ + if ((ptr - data) + 16 > len) { + uuids_start[1] = EIR_UUID128_SOME; + break; + } + + memcpy(ptr, uuid->uuid, 16); + ptr += 16; + uuids_start[0] += 16; + } + + return ptr; +} + static void create_eir(struct hci_dev *hdev, u8 *data) { u8 *ptr = data; @@ -555,6 +588,7 @@ static void create_eir(struct hci_dev *hdev, u8 *data) ptr = create_uuid16_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data)); ptr = create_uuid32_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data)); + ptr = create_uuid128_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data)); } static int update_eir(struct hci_dev *hdev) |