__u8 support;
} __packed;
+#define HCI_OP_READ_AUTH_PAYLOAD_TO 0x0c7b
+struct hci_cp_read_auth_payload_to {
+ __le16 handle;
+} __packed;
+struct hci_rp_read_auth_payload_to {
+ __u8 status;
+ __le16 handle;
+ __le16 timeout;
+} __packed;
+
+#define HCI_OP_WRITE_AUTH_PAYLOAD_TO 0x0c7c
+struct hci_cp_write_auth_payload_to {
+ __le16 handle;
+ __le16 timeout;
+} __packed;
+struct hci_rp_write_auth_payload_to {
+ __u8 status;
+ __le16 handle;
+} __packed;
+
#define HCI_OP_READ_LOCAL_OOB_EXT_DATA 0x0c7d
struct hci_rp_read_local_oob_ext_data {
__u8 status;
/* Default min/max age of connection information (1s/3s) */
#define DEFAULT_CONN_INFO_MIN_AGE 1000
#define DEFAULT_CONN_INFO_MAX_AGE 3000
+/* Default authenticated payload timeout 30s */
+#define DEFAULT_AUTH_PAYLOAD_TIMEOUT 0x0bb8
struct amp_assoc {
__u16 len;
__u16 discov_interleaved_timeout;
__u16 conn_info_min_age;
__u16 conn_info_max_age;
+ __u16 auth_payload_timeout;
__u8 ssp_debug_mode;
__u8 hw_error_code;
__u32 clock;
__u16 disc_timeout;
__u16 conn_timeout;
__u16 setting;
+ __u16 auth_payload_timeout;
__u16 le_conn_min_interval;
__u16 le_conn_max_interval;
__u16 le_conn_interval;
set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
conn->disc_timeout = HCI_DISCONN_TIMEOUT;
+ /* Set Default Authenticated payload timeout to 30s */
+ conn->auth_payload_timeout = DEFAULT_AUTH_PAYLOAD_TIMEOUT;
+
if (conn->role == HCI_ROLE_MASTER)
conn->out = true;
hdev->discov_interleaved_timeout = DISCOV_INTERLEAVED_TIMEOUT;
hdev->conn_info_min_age = DEFAULT_CONN_INFO_MIN_AGE;
hdev->conn_info_max_age = DEFAULT_CONN_INFO_MAX_AGE;
+ hdev->auth_payload_timeout = DEFAULT_AUTH_PAYLOAD_TIMEOUT;
mutex_init(&hdev->lock);
mutex_init(&hdev->req_lock);
DEFINE_SIMPLE_ATTRIBUTE(adv_max_interval_fops, adv_max_interval_get,
adv_max_interval_set, "%llu\n");
+static int auth_payload_timeout_set(void *data, u64 val)
+{
+ struct hci_dev *hdev = data;
+
+ if (val < 0x0001 || val > 0xffff)
+ return -EINVAL;
+
+ hci_dev_lock(hdev);
+ hdev->auth_payload_timeout = val;
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int auth_payload_timeout_get(void *data, u64 *val)
+{
+ struct hci_dev *hdev = data;
+
+ hci_dev_lock(hdev);
+ *val = hdev->auth_payload_timeout;
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(auth_payload_timeout_fops,
+ auth_payload_timeout_get,
+ auth_payload_timeout_set, "%llu\n");
+
DEFINE_QUIRK_ATTRIBUTE(quirk_strict_duplicate_filter,
HCI_QUIRK_STRICT_DUPLICATE_FILTER);
DEFINE_QUIRK_ATTRIBUTE(quirk_simultaneous_discovery,
&adv_max_interval_fops);
debugfs_create_u16("discov_interleaved_timeout", 0644, hdev->debugfs,
&hdev->discov_interleaved_timeout);
+ debugfs_create_file("auth_payload_timeout", 0644, hdev->debugfs, hdev,
+ &auth_payload_timeout_fops);
debugfs_create_file("quirk_strict_duplicate_filter", 0644,
hdev->debugfs, hdev,
memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
}
+static void hci_cc_read_auth_payload_timeout(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_read_auth_payload_to *rp = (void *)skb->data;
+ struct hci_conn *conn;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (rp->status)
+ return;
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
+ if (conn)
+ conn->auth_payload_timeout = __le16_to_cpu(rp->timeout);
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_cc_write_auth_payload_timeout(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_write_auth_payload_to *rp = (void *)skb->data;
+ struct hci_conn *conn;
+ void *sent;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (rp->status)
+ return;
+
+ sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_PAYLOAD_TO);
+ if (!sent)
+ return;
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
+ if (conn)
+ conn->auth_payload_timeout = get_unaligned_le16(sent + 2);
+
+ hci_dev_unlock(hdev);
+}
+
static void hci_cc_read_local_features(struct hci_dev *hdev,
struct sk_buff *skb)
{
goto unlock;
}
+ /* Set the default Authenticated Payload Timeout after
+ * an LE Link is established. As per Core Spec v5.0, Vol 2, Part B
+ * Section 3.3, the HCI command WRITE_AUTH_PAYLOAD_TIMEOUT should be
+ * sent when the link is active and Encryption is enabled, the conn
+ * type can be either LE or ACL and controller must support LMP Ping.
+ * Ensure for AES-CCM encryption as well.
+ */
+ if (test_bit(HCI_CONN_ENCRYPT, &conn->flags) &&
+ test_bit(HCI_CONN_AES_CCM, &conn->flags) &&
+ ((conn->type == ACL_LINK && lmp_ping_capable(hdev)) ||
+ (conn->type == LE_LINK && (hdev->le_features[0] & HCI_LE_PING)))) {
+ struct hci_cp_write_auth_payload_to cp;
+
+ cp.handle = cpu_to_le16(conn->handle);
+ cp.timeout = cpu_to_le16(hdev->auth_payload_timeout);
+ hci_send_cmd(conn->hdev, HCI_OP_WRITE_AUTH_PAYLOAD_TO,
+ sizeof(cp), &cp);
+ }
+
notify:
if (conn->state == BT_CONFIG) {
if (!ev->status)
hci_cc_write_sc_support(hdev, skb);
break;
+ case HCI_OP_READ_AUTH_PAYLOAD_TO:
+ hci_cc_read_auth_payload_timeout(hdev, skb);
+ break;
+
+ case HCI_OP_WRITE_AUTH_PAYLOAD_TO:
+ hci_cc_write_auth_payload_timeout(hdev, skb);
+ break;
+
case HCI_OP_READ_LOCAL_VERSION:
hci_cc_read_local_version(hdev, skb);
break;