When the HCI Read Stored Link Keys command completes it gives useful
information of the current stored keys and maximum keys a controller
can actually store. So process this event and store these information
in hci_dev structure.
Signed-off-by: Marcel Holtmann <marcel@xxxxxxxxxxxx>
---
include/net/bluetooth/hci_core.h | 2 ++
net/bluetooth/hci_event.c | 22 ++++++++++++++++++++++
2 files changed, 24 insertions(+)
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 89f4e3c8a097..1f21fe48b38e 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -205,6 +205,8 @@ struct hci_dev {
__u16 lmp_subver;
__u16 voice_setting;
__u8 num_iac;
+ __u8 stored_max_keys;
+ __u8 stored_num_keys;
__u8 io_capability;
__s8 inq_tx_power;
__u16 page_scan_interval;
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 0881efd0ad2d..b1580daede13 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -214,6 +214,24 @@ static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
hci_bdaddr_list_clear(&hdev->le_white_list);
}
+static void hci_cc_read_stored_link_key(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_read_stored_link_key *rp = (void *)skb->data;
+ struct hci_cp_read_stored_link_key *sent;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ sent = hci_sent_cmd_data(hdev, HCI_OP_READ_STORED_LINK_KEY);
+ if (!sent)
+ return;
+
+ if (!rp->status && sent->read_all == 0x01) {
+ hdev->stored_max_keys = rp->max_keys;
+ hdev->stored_num_keys = rp->num_keys;
+ }
+}
+
static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
@@ -2714,6 +2732,10 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
hci_cc_reset(hdev, skb);
break;
+ case HCI_OP_READ_STORED_LINK_KEY:
+ hci_cc_read_stored_link_key(hdev, skb);
+ break;
+
case HCI_OP_WRITE_LOCAL_NAME:
hci_cc_write_local_name(hdev, skb);
break;
--
2.1.0
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