.llseek = default_llseek,
};
+static ssize_t vendor_diag_read(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct hci_dev *hdev = file->private_data;
+ char buf[3];
+
+ buf[0] = hci_dev_test_flag(hdev, HCI_VENDOR_DIAG) ? 'Y': 'N';
+ buf[1] = '\n';
+ buf[2] = '\0';
+ return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
+}
+
+static ssize_t vendor_diag_write(struct file *file, const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct hci_dev *hdev = file->private_data;
+ char buf[32];
+ size_t buf_size = min(count, (sizeof(buf)-1));
+ bool enable;
+ int err;
+
+ if (copy_from_user(buf, user_buf, buf_size))
+ return -EFAULT;
+
+ buf[buf_size] = '\0';
+ if (strtobool(buf, &enable))
+ return -EINVAL;
+
+ /* When the diagnostic flags are not persistent and the transport
+ * is not active, then there is no need for the vendor callback.
+ *
+ * Instead just store the desired value. If needed the setting
+ * will be programmed when the controller gets powered on.
+ */
+ if (test_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks) &&
+ !test_bit(HCI_RUNNING, &hdev->flags))
+ goto done;
+
+ hci_req_lock(hdev);
+ err = hdev->set_diag(hdev, enable);
+ hci_req_unlock(hdev);
+
+ if (err < 0)
+ return err;
+
+done:
+ if (enable)
+ hci_dev_set_flag(hdev, HCI_VENDOR_DIAG);
+ else
+ hci_dev_clear_flag(hdev, HCI_VENDOR_DIAG);
+
+ return count;
+}
+
+static const struct file_operations vendor_diag_fops = {
+ .open = simple_open,
+ .read = vendor_diag_read,
+ .write = vendor_diag_write,
+ .llseek = default_llseek,
+};
+
+static void hci_debugfs_create_basic(struct hci_dev *hdev)
+{
+ debugfs_create_file("dut_mode", 0644, hdev->debugfs, hdev,
+ &dut_mode_fops);
+
+ if (hdev->set_diag)
+ debugfs_create_file("vendor_diag", 0644, hdev->debugfs, hdev,
+ &vendor_diag_fops);
+}
+
/* ---- HCI requests ---- */
static void hci_req_sync_complete(struct hci_dev *hdev, u8 result, u16 opcode,
hci_setup_event_mask(req);
- if (hdev->commands[6] & 0x20) {
+ if (hdev->commands[6] & 0x20 &&
+ !test_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks)) {
struct hci_cp_read_stored_link_key cp;
bacpy(&cp.bdaddr, BDADDR_ANY);
if (err < 0)
return err;
- /* The Device Under Test (DUT) mode is special and available for
- * all controller types. So just create it early on.
- */
- if (hci_dev_test_flag(hdev, HCI_SETUP)) {
- debugfs_create_file("dut_mode", 0644, hdev->debugfs, hdev,
- &dut_mode_fops);
- }
+ if (hci_dev_test_flag(hdev, HCI_SETUP))
+ hci_debugfs_create_basic(hdev);
err = __hci_req_sync(hdev, hci_init2_req, 0, HCI_INIT_TIMEOUT);
if (err < 0)
if (err < 0)
return err;
+ if (hci_dev_test_flag(hdev, HCI_SETUP))
+ hci_debugfs_create_basic(hdev);
+
return 0;
}
goto done;
}
+ set_bit(HCI_RUNNING, &hdev->flags);
+ hci_notify(hdev, HCI_DEV_OPEN);
+
atomic_set(&hdev->cmd_cnt, 1);
set_bit(HCI_INIT, &hdev->flags);
if (hci_dev_test_flag(hdev, HCI_SETUP)) {
+ hci_sock_dev_event(hdev, HCI_DEV_SETUP);
+
if (hdev->setup)
ret = hdev->setup(hdev);
ret = __hci_init(hdev);
}
+ /* If the HCI Reset command is clearing all diagnostic settings,
+ * then they need to be reprogrammed after the init procedure
+ * completed.
+ */
+ if (test_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks) &&
+ hci_dev_test_flag(hdev, HCI_VENDOR_DIAG) && hdev->set_diag)
+ ret = hdev->set_diag(hdev, true);
+
clear_bit(HCI_INIT, &hdev->flags);
if (!ret) {
hdev->sent_cmd = NULL;
}
+ clear_bit(HCI_RUNNING, &hdev->flags);
+ hci_notify(hdev, HCI_DEV_CLOSE);
+
hdev->close(hdev);
hdev->flags &= BIT(HCI_RAW);
}
BT_DBG("All LE pending actions cleared");
}
-static int hci_dev_do_close(struct hci_dev *hdev)
+int hci_dev_do_close(struct hci_dev *hdev)
{
+ bool auto_off;
+
BT_DBG("%s %p", hdev->name, hdev);
if (!hci_dev_test_flag(hdev, HCI_UNREGISTER) &&
hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
- if (!hci_dev_test_and_clear_flag(hdev, HCI_AUTO_OFF)) {
- if (hdev->dev_type == HCI_BREDR)
- mgmt_powered(hdev, 0);
- }
+ auto_off = hci_dev_test_and_clear_flag(hdev, HCI_AUTO_OFF);
+
+ if (!auto_off && hdev->dev_type == HCI_BREDR)
+ mgmt_powered(hdev, 0);
hci_inquiry_cache_flush(hdev);
hci_pend_le_actions_clear(hdev);
/* Reset device */
skb_queue_purge(&hdev->cmd_q);
atomic_set(&hdev->cmd_cnt, 1);
- if (!hci_dev_test_flag(hdev, HCI_AUTO_OFF) &&
- !hci_dev_test_flag(hdev, HCI_UNCONFIGURED) &&
- test_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks)) {
+ if (test_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks) &&
+ !auto_off && !hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
set_bit(HCI_INIT, &hdev->flags);
__hci_req_sync(hdev, hci_reset_req, 0, HCI_CMD_TIMEOUT);
clear_bit(HCI_INIT, &hdev->flags);
hdev->sent_cmd = NULL;
}
+ clear_bit(HCI_RUNNING, &hdev->flags);
+ hci_notify(hdev, HCI_DEV_CLOSE);
+
/* After this point our queues are empty
* and no tasks are scheduled. */
hdev->close(hdev);
return param;
}
- list_for_each_entry(param, &hdev->pend_le_reports, action) {
- if (bacmp(¶m->addr, addr) == 0 &&
- param->addr_type == addr_type &&
- param->explicit_connect)
- return param;
- }
-
return NULL;
}
return -ENXIO;
}
+ if (bt_cb(skb)->pkt_type != HCI_EVENT_PKT &&
+ bt_cb(skb)->pkt_type != HCI_ACLDATA_PKT &&
+ bt_cb(skb)->pkt_type != HCI_SCODATA_PKT) {
+ kfree_skb(skb);
+ return -EINVAL;
+ }
+
/* Incoming skb */
bt_cb(skb)->incoming = 1;
}
EXPORT_SYMBOL(hci_recv_frame);
+/* Receive diagnostic message from HCI drivers */
+int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ /* Mark as diagnostic packet */
+ bt_cb(skb)->pkt_type = HCI_DIAG_PKT;
+
+ /* Time stamp */
+ __net_timestamp(skb);
+
+ skb_queue_tail(&hdev->rx_q, skb);
+ queue_work(hdev->workqueue, &hdev->rx_work);
+
+ return 0;
+}
+EXPORT_SYMBOL(hci_recv_diag);
+
/* ---- Interface to upper protocols ---- */
int hci_register_cb(struct hci_cb *cb)
/* Get rid of skb owner, prior to sending to the driver. */
skb_orphan(skb);
+ if (!test_bit(HCI_RUNNING, &hdev->flags)) {
+ kfree_skb(skb);
+ return;
+ }
+
err = hdev->send(hdev, skb);
if (err < 0) {
BT_ERR("%s sending frame failed (%d)", hdev->name, err);
return hdev->sent_cmd->data + HCI_COMMAND_HDR_SIZE;
}
+/* Send HCI command and wait for command commplete event */
+struct sk_buff *hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen,
+ const void *param, u32 timeout)
+{
+ struct sk_buff *skb;
+
+ if (!test_bit(HCI_UP, &hdev->flags))
+ return ERR_PTR(-ENETDOWN);
+
+ bt_dev_dbg(hdev, "opcode 0x%4.4x plen %d", opcode, plen);
+
+ hci_req_lock(hdev);
+ skb = __hci_cmd_sync(hdev, opcode, plen, param, timeout);
+ hci_req_unlock(hdev);
+
+ return skb;
+}
+EXPORT_SYMBOL(hci_cmd_sync);
+
/* Send ACL data */
static void hci_add_acl_hdr(struct sk_buff *skb, __u16 handle, __u16 flags)
{
projects / mirror_ubuntu-bionic-kernel.git / blobdiff