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Bluetooth: Set link key generation bit if necessary for LE SC

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Depending on whether Secure Connections is enabled or not we may need to add
the link key generation bit to the key distribution. This patch does the
necessary modifications to the build_pairing_cmd() function.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Johan Hedberg 2014-06-06 10:39:56 +03:00 committed by Marcel Holtmann
parent f3a73d97b3
commit df8e1a4c73
1 changed files with 10 additions and 0 deletions
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10
net/bluetooth/smp.c
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@ -333,6 +333,16 @@ static void build_pairing_cmd(struct l2cap_conn *conn,
if (test_bit(HCI_PRIVACY, &hdev->dev_flags))
local_dist |= SMP_DIST_ID_KEY;
if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags)) {
if ((authreq & SMP_AUTH_SC) &&
test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
local_dist |= SMP_DIST_LINK_KEY;
remote_dist |= SMP_DIST_LINK_KEY;
}
} else {
authreq &= ~SMP_AUTH_SC;
}
if (rsp == NULL) {
req->io_capability = conn->hcon->io_capability;
req->oob_flag = SMP_OOB_NOT_PRESENT;