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Bluetooth: Add support for 128-bit UUIDs in EIR data

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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>
This commit is contained in:
Johan Hedberg 2013-01-27 00:31:35 +02:00 • committed by Gustavo Padovan
parent cdf1963f7b
commit c00d575bd5
1 changed files with 34 additions and 0 deletions
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34
net/bluetooth/mgmt.c
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@ -510,6 +510,39 @@ static u8 *create_uuid32_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
return ptr; 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) static void create_eir(struct hci_dev *hdev, u8 *data)
{ {
u8 *ptr = 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_uuid16_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
ptr = create_uuid32_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) static int update_eir(struct hci_dev *hdev)