[PATCH] Bluetooth: Track Secure Connections support of remote devices
From: Marcel Holtmann <marcel@holtmann.org>
Date: 2014-01-11 20:39:53
Subsystem:
bluetooth subsystem, the rest · Maintainers:
Marcel Holtmann, Luiz Augusto von Dentz, Linus Torvalds
It is important to know if Secure Connections support has been enabled for a given remote device. The information is provided in the remote host features page. So track this information and provide a simple helper function to extract the status. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> --- include/net/bluetooth/hci_core.h | 8 ++++++++ net/bluetooth/hci_event.c | 3 +++ 2 files changed, 11 insertions(+)
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 66e96ebffe97..8d225e4ea2ce 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h@@ -448,6 +448,7 @@ enum { HCI_CONN_LE_SMP_PEND, HCI_CONN_MGMT_CONNECTED, HCI_CONN_SSP_ENABLED, + HCI_CONN_SC_ENABLED, HCI_CONN_POWER_SAVE, HCI_CONN_REMOTE_OOB, HCI_CONN_6LOWPAN,
@@ -460,6 +461,13 @@ static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); } +static inline bool hci_conn_sc_enabled(struct hci_conn *conn) +{ + struct hci_dev *hdev = conn->hdev; + return test_bit(HCI_SC_ENABLED, &hdev->dev_flags) && + test_bit(HCI_CONN_SC_ENABLED, &conn->flags); +} + static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) { struct hci_conn_hash *h = &hdev->conn_hash;
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index da1eca1c43db..8c44bbe19add 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c@@ -2898,6 +2898,9 @@ static void hci_remote_ext_features_evt(struct hci_dev *hdev, * features do not indicate SSP support */ clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags); } + + if (ev->features[0] & LMP_HOST_SC) + set_bit(HCI_CONN_SC_ENABLED, &conn->flags); } if (conn->state != BT_CONFIG)
--
1.8.4.2