Bluetooth: Add H/W TX timeout error MGMT event

This patch sends the H/W TX timeout error MGMT event if HCI command
timeout occurs after sending HCI commands.

Change-Id: If1da7ae0633d9b99c76c982810d65ee2e466fc9e
Signed-off-by: Sudha Bheemanna <b.sudha@samsung.com>
Signed-off-by: Amit Purwar <amit.purwar@samsung.com>
Signed-off-by: Wootak Jung <wootak.jung@samsung.com>
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>

diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index ba13cfd..33446aa 100644 (file)
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -433,7 +433,11 @@ enum {
 #define HCI_DISCONN_TIMEOUT    msecs_to_jiffies(2000)  /* 2 seconds */
 #define HCI_PAIRING_TIMEOUT    msecs_to_jiffies(60000) /* 60 seconds */
 #define HCI_INIT_TIMEOUT       msecs_to_jiffies(10000) /* 10 seconds */
+#ifdef TIZEN_BT
+#define HCI_CMD_TIMEOUT                msecs_to_jiffies(5000)  /* 5 seconds */
+#else
 #define HCI_CMD_TIMEOUT                msecs_to_jiffies(2000)  /* 2 seconds */
+#endif
 #define HCI_NCMD_TIMEOUT       msecs_to_jiffies(4000)  /* 4 seconds */
 #define HCI_ACL_TX_TIMEOUT     msecs_to_jiffies(45000) /* 45 seconds */
 #define HCI_AUTO_OFF_TIMEOUT   msecs_to_jiffies(2000)  /* 2 seconds */

diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 7657824..5a10159 100644 (file)
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -2389,6 +2389,7 @@ int mgmt_le_conn_updated(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type,
 int mgmt_le_conn_update_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
                u8 link_type, u8 addr_type, u8 status);
 void mgmt_hardware_error(struct hci_dev *hdev, u8 err_code);
+void mgmt_tx_timeout_error(struct hci_dev *hdev);
 #endif
 
 int hci_abort_conn(struct hci_conn *conn, u8 reason);

diff --git a/include/net/bluetooth/mgmt_tizen.h b/include/net/bluetooth/mgmt_tizen.h
index 680ad8b..fd5a9fe 100644 (file)
--- a/include/net/bluetooth/mgmt_tizen.h
+++ b/include/net/bluetooth/mgmt_tizen.h
@@ -169,6 +169,10 @@ struct mgmt_ev_hardware_error {
 } __packed;
 /* handling of hardware error event */
 
+/* For HCI TX Timeout Error */
+#define MGMT_EV_TX_TIMEOUT_ERROR               (TIZEN_EV_BASE + 0x03)
+/* HCI TX Timeout Error */
+
 /* For handling of RSSI Events */
 #define MGMT_EV_RSSI_ALERT                     (TIZEN_EV_BASE + 0x04)
 struct mgmt_ev_vendor_specific_rssi_alert {

diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 24d6dae..3a87f4f 100644 (file)
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -218,6 +218,13 @@ void hci_le_discovery_set_state(struct hci_dev *hdev, int state)
 
        hdev->le_discovery.state = state;
 }
+
+static void hci_tx_timeout_error_evt(struct hci_dev *hdev)
+{
+       BT_ERR("%s H/W TX Timeout error", hdev->name);
+
+       mgmt_tx_timeout_error(hdev);
+}
 #endif
 
 void hci_inquiry_cache_flush(struct hci_dev *hdev)
@@ -1547,6 +1554,10 @@ static void hci_cmd_timeout(struct work_struct *work)
        if (hdev->cmd_timeout)
                hdev->cmd_timeout(hdev);
 
+#ifdef TIZEN_BT
+       hci_tx_timeout_error_evt(hdev);
+#endif
+
        atomic_set(&hdev->cmd_cnt, 1);
        queue_work(hdev->workqueue, &hdev->cmd_work);
 }

diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 52bca43..43b23ab 100644 (file)
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -8837,6 +8837,11 @@ void mgmt_hardware_error(struct hci_dev *hdev, u8 err_code)
        ev.error_code = err_code;
        mgmt_event(MGMT_EV_HARDWARE_ERROR, hdev, &ev, sizeof(ev), NULL);
 }
+
+void mgmt_tx_timeout_error(struct hci_dev *hdev)
+{
+       mgmt_event(MGMT_EV_TX_TIMEOUT_ERROR, hdev, NULL, 0, NULL);
+}
 #endif /* TIZEN_BT */
 
 static bool ltk_is_valid(struct mgmt_ltk_info *key)