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authorLuiz Augusto von Dentz <luiz.von.dentz@intel.com>2021-10-28 02:58:45 +0300
committerMarcel Holtmann <marcel@holtmann.org>2021-10-29 17:51:59 +0300
commitabfeea476c68afea54c9c050a2d3b19d5d2ee873 (patch)
tree77948773a3a1b550674a3873166a03ea902c6cc7 /net/bluetooth/mgmt.c
parentcf75ad8b41d2aa06f98f365d42a3ae8b059daddd (diff)
downloadlinux-abfeea476c68afea54c9c050a2d3b19d5d2ee873.tar.xz
Bluetooth: hci_sync: Convert MGMT_OP_START_DISCOVERY
This make use of hci_cmd_sync_queue for MGMT_OP_START_DISCOVERY, MGMT_OP_START_SERVICE_DISCOVERY and MGMT_OP_STOP_DISCOVERY to use hci_cmd_sync_queue so they no longer depend on hdev->discov_update work to send any commands. Tested with: tools/mgmt-tester -s "Start Discovery" Test Summary ------------ Start Discovery - Not powered 1 Passed Start Discovery - Invalid parameters 1 Passed Start Discovery - Not supported 1 Passed Start Discovery - Success 1 Passed Start Discovery - Success 2 Passed Start Discovery - Power Off 1 Passed Start Discovery BREDR LE - (Ext Scan Enable) Passed Start Discovery LE - (Ext Scan Enable) Passed Start Discovery LE - (Ext Scan Param) Passed Start Discovery - (2m, Scan Param) Passed Start Discovery - (coded, Scan Param) Passed Start Discovery - (1m, 2m, coded, Scan Param) Passed LL Privacy - Start Discovery 1 (Disable RL) Passed LL Privacy - Start Discovery 2 (Disable RL) Passed Total: 14, Passed: 14 (100.0%), Failed: 0, Not Run: 0 tools/mgmt-tester -s "Start Service" Test Summary ------------ Start Service Discovery - Not powered 1 Passed Start Service Discovery - Invalid parameters 1 Passed Start Service Discovery - Not supported 1 Passed Start Service Discovery - Success 1 Passed Start Service Discovery - Success 2 Passed Total: 5, Passed: 5 (100.0%), Failed: 0, Not Run: 0 tools/mgmt-tester -s "Stop Discovery" Test Summary ------------ Stop Discovery - Success 1 Passed Stop Discovery - BR/EDR (Inquiry) Success 1 Passed Stop Discovery - Rejected 1 Passed Stop Discovery - Invalid parameters 1 Passed Stop Discovery - (Ext Scan Disable) Passed Total: 5, Passed: 5 (100.0%), Failed: 0, Not Run: 0 Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/bluetooth/mgmt.c')
-rw-r--r--net/bluetooth/mgmt.c105
1 files changed, 75 insertions, 30 deletions
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 9490663ee3fb..db2e5a2f4e03 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -5111,6 +5111,32 @@ static bool discovery_type_is_valid(struct hci_dev *hdev, uint8_t type,
return true;
}
+static void start_discovery_complete(struct hci_dev *hdev, void *data, int err)
+{
+ struct mgmt_pending_cmd *cmd = data;
+
+ bt_dev_dbg(hdev, "err %d", err);
+
+ mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(err),
+ cmd->param, 1);
+ mgmt_pending_free(cmd);
+
+ /* Handle suspend notifier */
+ if (test_and_clear_bit(SUSPEND_UNPAUSE_DISCOVERY,
+ hdev->suspend_tasks)) {
+ bt_dev_dbg(hdev, "Unpaused discovery");
+ wake_up(&hdev->suspend_wait_q);
+ }
+
+ hci_discovery_set_state(hdev, err ? DISCOVERY_STOPPED :
+ DISCOVERY_FINDING);
+}
+
+static int start_discovery_sync(struct hci_dev *hdev, void *data)
+{
+ return hci_start_discovery_sync(hdev);
+}
+
static int start_discovery_internal(struct sock *sk, struct hci_dev *hdev,
u16 op, void *data, u16 len)
{
@@ -5162,17 +5188,20 @@ static int start_discovery_internal(struct sock *sk, struct hci_dev *hdev,
else
hdev->discovery.limited = false;
- cmd = mgmt_pending_add(sk, op, hdev, data, len);
+ cmd = mgmt_pending_new(sk, op, hdev, data, len);
if (!cmd) {
err = -ENOMEM;
goto failed;
}
- cmd->cmd_complete = generic_cmd_complete;
+ err = hci_cmd_sync_queue(hdev, start_discovery_sync, cmd,
+ start_discovery_complete);
+ if (err < 0) {
+ mgmt_pending_free(cmd);
+ goto failed;
+ }
hci_discovery_set_state(hdev, DISCOVERY_STARTING);
- queue_work(hdev->req_workqueue, &hdev->discov_update);
- err = 0;
failed:
hci_dev_unlock(hdev);
@@ -5194,13 +5223,6 @@ static int start_limited_discovery(struct sock *sk, struct hci_dev *hdev,
data, len);
}
-static int service_discovery_cmd_complete(struct mgmt_pending_cmd *cmd,
- u8 status)
-{
- return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
- cmd->param, 1);
-}
-
static int start_service_discovery(struct sock *sk, struct hci_dev *hdev,
void *data, u16 len)
{
@@ -5269,15 +5291,13 @@ static int start_service_discovery(struct sock *sk, struct hci_dev *hdev,
goto failed;
}
- cmd = mgmt_pending_add(sk, MGMT_OP_START_SERVICE_DISCOVERY,
+ cmd = mgmt_pending_new(sk, MGMT_OP_START_SERVICE_DISCOVERY,
hdev, data, len);
if (!cmd) {
err = -ENOMEM;
goto failed;
}
- cmd->cmd_complete = service_discovery_cmd_complete;
-
/* Clear the discovery filter first to free any previously
* allocated memory for the UUID list.
*/
@@ -5301,9 +5321,14 @@ static int start_service_discovery(struct sock *sk, struct hci_dev *hdev,
}
}
+ err = hci_cmd_sync_queue(hdev, start_discovery_sync, cmd,
+ start_discovery_complete);
+ if (err < 0) {
+ mgmt_pending_free(cmd);
+ goto failed;
+ }
+
hci_discovery_set_state(hdev, DISCOVERY_STARTING);
- queue_work(hdev->req_workqueue, &hdev->discov_update);
- err = 0;
failed:
hci_dev_unlock(hdev);
@@ -5333,6 +5358,31 @@ void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status)
}
}
+static void stop_discovery_complete(struct hci_dev *hdev, void *data, int err)
+{
+ struct mgmt_pending_cmd *cmd = data;
+
+ bt_dev_dbg(hdev, "err %d", err);
+
+ mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(err),
+ cmd->param, 1);
+ mgmt_pending_free(cmd);
+
+ /* Handle suspend notifier */
+ if (test_and_clear_bit(SUSPEND_PAUSE_DISCOVERY, hdev->suspend_tasks)) {
+ bt_dev_dbg(hdev, "Paused discovery");
+ wake_up(&hdev->suspend_wait_q);
+ }
+
+ if (!err)
+ hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
+}
+
+static int stop_discovery_sync(struct hci_dev *hdev, void *data)
+{
+ return hci_stop_discovery_sync(hdev);
+}
+
static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data,
u16 len)
{
@@ -5358,17 +5408,20 @@ static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data,
goto unlock;
}
- cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, data, len);
+ cmd = mgmt_pending_new(sk, MGMT_OP_STOP_DISCOVERY, hdev, data, len);
if (!cmd) {
err = -ENOMEM;
goto unlock;
}
- cmd->cmd_complete = generic_cmd_complete;
+ err = hci_cmd_sync_queue(hdev, stop_discovery_sync, cmd,
+ stop_discovery_complete);
+ if (err < 0) {
+ mgmt_pending_free(cmd);
+ goto unlock;
+ }
hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
- queue_work(hdev->req_workqueue, &hdev->discov_update);
- err = 0;
unlock:
hci_dev_unlock(hdev);
@@ -5803,16 +5856,8 @@ static int set_scan_params(struct sock *sk, struct hci_dev *hdev,
* loaded.
*/
if (hci_dev_test_flag(hdev, HCI_LE_SCAN) &&
- hdev->discovery.state == DISCOVERY_STOPPED) {
- struct hci_request req;
-
- hci_req_init(&req, hdev);
-
- hci_req_add_le_scan_disable(&req, false);
- hci_req_add_le_passive_scan(&req);
-
- hci_req_run(&req, NULL);
- }
+ hdev->discovery.state == DISCOVERY_STOPPED)
+ hci_update_passive_scan(hdev);
hci_dev_unlock(hdev);