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: I5eb593f2fe4d31c404dd94ef582790e47d03b10a
Signed-off-by: Sudha Bheemanna <b.sudha@samsung.com>
Signed-off-by: Amit Purwar <amit.purwar@samsung.com>

5 files changed, 25 insertions, 0 deletions

diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 94aa9c1d6fbe..252e0bff93dd 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -279,7 +279,11 @@ 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_ACL_TX_TIMEOUT	msecs_to_jiffies(45000)	/* 45 seconds */
 #define HCI_AUTO_OFF_TIMEOUT	msecs_to_jiffies(2000)	/* 2 seconds */
 #define HCI_POWER_OFF_TIMEOUT	msecs_to_jiffies(5000)	/* 5 seconds */
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 6998103ceb59..50b3132a9ca8 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -1677,6 +1677,7 @@ 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
 
 u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency,
diff --git a/include/net/bluetooth/mgmt_tizen.h b/include/net/bluetooth/mgmt_tizen.h
index 680ad8b9b1a0..fd5a9fe3f390 100644
--- 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 32c29db47c62..fb289c15e802 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1109,6 +1109,13 @@ 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)
@@ -2623,6 +2630,10 @@ static void hci_cmd_timeout(struct work_struct *work)
 		bt_dev_err(hdev, "command tx timeout");
 	}
 
+#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 6481015b6553..9e5b85fdbaca 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -6751,6 +6751,11 @@ 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)