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Bluetooth: Add support for Read Local Simple Pairing Options

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With the Read Local Simple Pairing Options command it is possible to
retrieve the support for max encryption key size supported by the
controller and also if the controller correctly verifies the ECDH public
key during pairing.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Reviewed-by: Alain Michaud <alainm@chromium.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Marcel Holtmann
2020-04-03 21:44:04 +02:00
committed by Johan Hedberg
parent fc04590e3d
commit a479036041
4 changed files with 34 additions and 0 deletions
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21
net/bluetooth/hci_event.c
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@@ -747,6 +747,23 @@ static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
bacpy(&hdev->setup_addr, &rp->bdaddr);
}
static void hci_cc_read_local_pairing_opts(struct hci_dev *hdev,
struct sk_buff *skb)
{
struct hci_rp_read_local_pairing_opts *rp = (void *) skb->data;
BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
if (rp->status)
return;
if (hci_dev_test_flag(hdev, HCI_SETUP) ||
hci_dev_test_flag(hdev, HCI_CONFIG)) {
hdev->pairing_opts = rp->pairing_opts;
hdev->max_enc_key_size = rp->max_key_size;
}
}
static void hci_cc_read_page_scan_activity(struct hci_dev *hdev,
struct sk_buff *skb)
{
@@ -3343,6 +3360,10 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb,
hci_cc_read_bd_addr(hdev, skb);
break;
case HCI_OP_READ_LOCAL_PAIRING_OPTS:
hci_cc_read_local_pairing_opts(hdev, skb);
break;
case HCI_OP_READ_PAGE_SCAN_ACTIVITY:
hci_cc_read_page_scan_activity(hdev, skb);
break;