diff options
| author | Johan Hedberg <johan.hedberg@intel.com> | 2013-01-27 02:31:35 +0400 |
|---|---|---|
| committer | Gustavo Padovan <gustavo.padovan@collabora.co.uk> | 2013-02-01 21:50:17 +0400 |
| commit | c00d575bd550d3d57aeec2522defa0cea589560c (patch) | |
| tree | 6cbdce4e127a7fb1d395eb12561a693b935187bb | |
| parent | cdf1963f7ba075772b4b5f91f395ed8fb84d0e70 (diff) | |
| download | linux-c00d575bd550d3d57aeec2522defa0cea589560c.tar.xz | |
Bluetooth: Add support for 128-bit UUIDs in EIR data
This patch adds the necessary code for encoding a list of 128-bit UUIDs
into the EIR data.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
| -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) |