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Bluetooth: Store OOB data present value for each set of remote OOB data

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Instead of doing complex calculation every time the OOB data is used,
just calculate the OOB data present value and store it with the OOB
data raw values.

Signed-off-by: Marcel Holtmann <[email protected]>
Signed-off-by: Johan Hedberg <[email protected]>
This commit is contained in:
Marcel Holtmann 2015-01-30 23:20:55 -08:00 • committed by Johan Hedberg
commit f7697b1602
2 changed files with 9 additions and 0 deletions
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8
net/bluetooth/hci_core.c
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@ -2581,9 +2581,15 @@ int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr,
if (hash192 && rand192) {
memcpy(data->hash192, hash192, sizeof(data->hash192));
memcpy(data->rand192, rand192, sizeof(data->rand192));
if (hash256 && rand256)
data->present = 0x03;
} else {
memset(data->hash192, 0, sizeof(data->hash192));
memset(data->rand192, 0, sizeof(data->rand192));
if (hash256 && rand256)
data->present = 0x02;
else
data->present = 0x00;
}
if (hash256 && rand256) {
@ -2592,6 +2598,8 @@ int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr,
} else {
memset(data->hash256, 0, sizeof(data->hash256));
memset(data->rand256, 0, sizeof(data->rand256));
if (hash192 && rand192)
data->present = 0x01;
}
BT_DBG("%s for %pMR", hdev->name, bdaddr);