diff options
| author | Johan Hedberg <johan.hedberg@intel.com> | 2012-01-18 21:33:12 +0200 |
|---|---|---|
| committer | Johan Hedberg <johan.hedberg@intel.com> | 2012-02-13 17:01:29 +0200 |
| commit | aa64a8b500e61c33c17f1d5e7de0cc154489c59e (patch) | |
| tree | 4cc269f37f27cd9796664fe4987168dfa9f74742 | |
| parent | 84bde9d6c0e6830f4a8685a5d237965053118bf9 (diff) | |
| download | linux-aa64a8b500e61c33c17f1d5e7de0cc154489c59e.tar.bz2 | |
Bluetooth: Add a convenience function to check for SSP enabled
It's a very common test to see if both the local and the remote device
have SSP enabled. By creating a simple function to test this we can
shorten many if-statements in the code.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
| -rw-r--r-- | include/net/bluetooth/hci_core.h | 7 | ||||
| -rw-r--r-- | net/bluetooth/hci_conn.c | 8 | ||||
| -rw-r--r-- | net/bluetooth/hci_event.c | 12 |
3 files changed, 13 insertions, 14 deletions
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 94ba8693e9d1..25f449fcd693 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -411,6 +411,13 @@ enum { HCI_CONN_REMOTE_OOB, }; +static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) +{ + struct hci_dev *hdev = conn->hdev; + return (test_bit(HCI_SSP_ENABLED, &hdev->flags) && + test_bit(HCI_CONN_SSP_ENABLED, &conn->flags)); +} + static inline void hci_conn_hash_init(struct hci_dev *hdev) { struct hci_conn_hash *h = &hdev->conn_hash; diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index 6ec259e84b95..eae7a53467ef 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -608,9 +608,7 @@ int hci_conn_check_link_mode(struct hci_conn *conn) { BT_DBG("conn %p", conn); - if (test_bit(HCI_CONN_SSP_ENABLED, &conn->flags) && - test_bit(HCI_SSP_ENABLED, &conn->hdev->dev_flags) && - !(conn->link_mode & HCI_LM_ENCRYPT)) + if (hci_conn_ssp_enabled(conn) && !(conn->link_mode & HCI_LM_ENCRYPT)) return 0; return 1; @@ -672,9 +670,7 @@ int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type) /* For non 2.1 devices and low security level we don't need the link key. */ - if (sec_level == BT_SECURITY_LOW && - (!test_bit(HCI_CONN_SSP_ENABLED, &conn->flags) || - !test_bit(HCI_SSP_ENABLED, &conn->hdev->dev_flags))) + if (sec_level == BT_SECURITY_LOW && !hci_conn_ssp_enabled(conn)) return 1; /* For other security levels we need the link key. */ diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index eb198ccbc10d..6fb9016652b7 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -1270,8 +1270,7 @@ static int hci_outgoing_auth_needed(struct hci_dev *hdev, /* Only request authentication for SSP connections or non-SSP * devices with sec_level HIGH or if MITM protection is requested */ - if (!(test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) && - test_bit(HCI_CONN_SSP_ENABLED, &conn->flags)) && + if (!hci_conn_ssp_enabled(conn) && conn->pending_sec_level != BT_SECURITY_HIGH && !(conn->auth_type & 0x01)) return 0; @@ -1845,9 +1844,8 @@ static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *s goto unlock; if (!ev->status) { - if (!(test_bit(HCI_CONN_SSP_ENABLED, &conn->flags) && - test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) && - test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) { + if (!hci_conn_ssp_enabled(conn) && + test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) { BT_INFO("re-auth of legacy device is not possible."); } else { conn->link_mode |= HCI_LM_AUTH; @@ -1861,9 +1859,7 @@ static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *s clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags); if (conn->state == BT_CONFIG) { - if (!ev->status && - test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) && - test_bit(HCI_CONN_SSP_ENABLED, &conn->flags)) { + if (!ev->status && hci_conn_ssp_enabled(conn)) { struct hci_cp_set_conn_encrypt cp; cp.handle = ev->handle; cp.encrypt = 0x01; |