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Bluetooth: hci_sync: Enable synch'd set_bredr
authorBrian Gix <brian.gix@intel.com>
Wed, 27 Oct 2021 23:58:47 +0000 (16:58 -0700)
committerMarcel Holtmann <marcel@holtmann.org>
Fri, 29 Oct 2021 14:51:59 +0000 (16:51 +0200)
Uses previously written:
  hci_write_fast_connectable_sync
  hci_update_scan_sync
  hci_update_adv_data_sync

Signed-off-by: Brian Gix <brian.gix@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
include/net/bluetooth/hci_sync.h
net/bluetooth/hci_sync.c
net/bluetooth/mgmt.c

index 1fb66b6..03ffe95 100644 (file)
@@ -69,6 +69,7 @@ int hci_update_passive_scan_sync(struct hci_dev *hdev);
 int hci_update_passive_scan(struct hci_dev *hdev);
 
 int hci_write_fast_connectable_sync(struct hci_dev *hdev, bool enable);
+int hci_update_scan_sync(struct hci_dev *hdev);
 
 int hci_dev_open_sync(struct hci_dev *hdev);
 int hci_dev_close_sync(struct hci_dev *hdev);
index f7c30b4..39fdb51 100644 (file)
@@ -2262,7 +2262,7 @@ static int hci_write_scan_enable_sync(struct hci_dev *hdev, u8 val)
                                            HCI_CMD_TIMEOUT);
 }
 
-static int hci_update_scan_sync(struct hci_dev *hdev)
+int hci_update_scan_sync(struct hci_dev *hdev)
 {
        u8 scan;
 
index 098ce32..1e24478 100644 (file)
@@ -5953,20 +5953,14 @@ unlock:
        return err;
 }
 
-static void set_bredr_complete(struct hci_dev *hdev, u8 status, u16 opcode)
+static void set_bredr_complete(struct hci_dev *hdev, void *data, int err)
 {
-       struct mgmt_pending_cmd *cmd;
-
-       bt_dev_dbg(hdev, "status 0x%02x", status);
-
-       hci_dev_lock(hdev);
+       struct mgmt_pending_cmd *cmd = data;
 
-       cmd = pending_find(MGMT_OP_SET_BREDR, hdev);
-       if (!cmd)
-               goto unlock;
+       bt_dev_dbg(hdev, "err %d", err);
 
-       if (status) {
-               u8 mgmt_err = mgmt_status(status);
+       if (err) {
+               u8 mgmt_err = mgmt_status(err);
 
                /* We need to restore the flag if related HCI commands
                 * failed.
@@ -5979,17 +5973,31 @@ static void set_bredr_complete(struct hci_dev *hdev, u8 status, u16 opcode)
                new_settings(hdev, cmd->sk);
        }
 
-       mgmt_pending_remove(cmd);
+       mgmt_pending_free(cmd);
+}
 
-unlock:
-       hci_dev_unlock(hdev);
+static int set_bredr_sync(struct hci_dev *hdev, void *data)
+{
+       int status;
+
+       status = hci_write_fast_connectable_sync(hdev, false);
+
+       if (!status)
+               status = hci_update_scan_sync(hdev);
+
+       /* Since only the advertising data flags will change, there
+        * is no need to update the scan response data.
+        */
+       if (!status)
+               status = hci_update_adv_data_sync(hdev, hdev->cur_adv_instance);
+
+       return status;
 }
 
 static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
 {
        struct mgmt_mode *cp = data;
        struct mgmt_pending_cmd *cmd;
-       struct hci_request req;
        int err;
 
        bt_dev_dbg(hdev, "sock %p", sk);
@@ -6061,15 +6069,19 @@ static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
                }
        }
 
-       if (pending_find(MGMT_OP_SET_BREDR, hdev)) {
-               err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
-                                     MGMT_STATUS_BUSY);
-               goto unlock;
-       }
-
-       cmd = mgmt_pending_add(sk, MGMT_OP_SET_BREDR, hdev, data, len);
-       if (!cmd) {
+       cmd = mgmt_pending_new(sk, MGMT_OP_SET_BREDR, hdev, data, len);
+       if (!cmd)
                err = -ENOMEM;
+       else
+               err = hci_cmd_sync_queue(hdev, set_bredr_sync, cmd,
+                                        set_bredr_complete);
+
+       if (err < 0) {
+               mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
+                               MGMT_STATUS_FAILED);
+               if (cmd)
+                       mgmt_pending_free(cmd);
+
                goto unlock;
        }
 
@@ -6078,20 +6090,6 @@ static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
         */
        hci_dev_set_flag(hdev, HCI_BREDR_ENABLED);
 
-       hci_req_init(&req, hdev);
-
-       __hci_req_write_fast_connectable(&req, false);
-       __hci_req_update_scan(&req);
-
-       /* Since only the advertising data flags will change, there
-        * is no need to update the scan response data.
-        */
-       __hci_req_update_adv_data(&req, hdev->cur_adv_instance);
-
-       err = hci_req_run(&req, set_bredr_complete);
-       if (err < 0)
-               mgmt_pending_remove(cmd);
-
 unlock:
        hci_dev_unlock(hdev);
        return err;