Merge branch 'for-upstream' of...

Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next

drivers/bluetooth/Kconfig

@@ -30,8 +30,8 @@ config BT_HCIUART
 	help
 	  Bluetooth HCI UART driver.
 	  This driver is required if you want to use Bluetooth devices with
-	  serial port interface. You will also need this driver if you have 
-	  UART based Bluetooth PCMCIA and CF devices like Xircom Credit Card 
+	  serial port interface. You will also need this driver if you have
+	  UART based Bluetooth PCMCIA and CF devices like Xircom Credit Card
 	  adapter and BrainBoxes Bluetooth PC Card.
 
 	  Say Y here to compile support for Bluetooth UART devices into the
@@ -41,9 +41,9 @@ config BT_HCIUART_H4
 	bool "UART (H4) protocol support"
 	depends on BT_HCIUART
 	help
-	  UART (H4) is serial protocol for communication between Bluetooth 
-	  device and host. This protocol is required for most Bluetooth devices 
-	  with UART interface, including PCMCIA and CF cards. 
+	  UART (H4) is serial protocol for communication between Bluetooth
+	  device and host. This protocol is required for most Bluetooth devices
+	  with UART interface, including PCMCIA and CF cards.
 
 	  Say Y here to compile support for HCI UART (H4) protocol.
 
@@ -52,7 +52,7 @@ config BT_HCIUART_BCSP
 	depends on BT_HCIUART
 	select BITREVERSE
 	help
-	  BCSP (BlueCore Serial Protocol) is serial protocol for communication 
+	  BCSP (BlueCore Serial Protocol) is serial protocol for communication
 	  between Bluetooth device and host. This protocol is required for non
 	  USB Bluetooth devices based on CSR BlueCore chip, including PCMCIA and
 	  CF cards.

drivers/bluetooth/ath3k.c

@@ -103,6 +103,7 @@ static const struct usb_device_id ath3k_table[] = {
 	{ USB_DEVICE(0x13d3, 0x3375) },
 	{ USB_DEVICE(0x13d3, 0x3393) },
 	{ USB_DEVICE(0x13d3, 0x3402) },
+	{ USB_DEVICE(0x13d3, 0x3432) },
 
 	/* Atheros AR5BBU12 with sflash firmware */
 	{ USB_DEVICE(0x0489, 0xE02C) },
@@ -152,6 +153,7 @@ static const struct usb_device_id ath3k_blist_tbl[] = {
 	{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
 
 	/* Atheros AR5BBU22 with sflash firmware */
 	{ USB_DEVICE(0x0489, 0xE036), .driver_info = BTUSB_ATH3012 },
@@ -288,10 +290,10 @@ static int ath3k_load_fwfile(struct usb_device *udev,
 	sent += size;
 	count -= size;
 
+	pipe = usb_sndbulkpipe(udev, 0x02);
+
 	while (count) {
 		size = min_t(uint, count, BULK_SIZE);
-		pipe = usb_sndbulkpipe(udev, 0x02);
-
 		memcpy(send_buf, firmware->data + sent, size);
 
 		err = usb_bulk_msg(udev, pipe, send_buf, size,

drivers/bluetooth/btmrvl_drv.h

@@ -68,6 +68,7 @@ struct btmrvl_adapter {
 	u8 hs_state;
 	u8 wakeup_tries;
 	wait_queue_head_t cmd_wait_q;
+	wait_queue_head_t event_hs_wait_q;
 	u8 cmd_complete;
 	bool is_suspended;
 };
@@ -89,6 +90,7 @@ struct btmrvl_private {
 #define MRVL_VENDOR_PKT			0xFE
 
 /* Vendor specific Bluetooth commands */
+#define BT_CMD_PSCAN_WIN_REPORT_ENABLE	0xFC03
 #define BT_CMD_AUTO_SLEEP_MODE		0xFC23
 #define BT_CMD_HOST_SLEEP_CONFIG	0xFC59
 #define BT_CMD_HOST_SLEEP_ENABLE	0xFC5A
@@ -143,6 +145,7 @@ bool btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb);
 int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb);
 
 int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, u8 subcmd);
+int btmrvl_pscan_window_reporting(struct btmrvl_private *priv, u8 subcmd);
 int btmrvl_send_hscfg_cmd(struct btmrvl_private *priv);
 int btmrvl_enable_ps(struct btmrvl_private *priv);
 int btmrvl_prepare_command(struct btmrvl_private *priv);

drivers/bluetooth/btmrvl_main.c

@@ -114,6 +114,7 @@ int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb)
 			adapter->hs_state = HS_ACTIVATED;
 			if (adapter->psmode)
 				adapter->ps_state = PS_SLEEP;
+			wake_up_interruptible(&adapter->event_hs_wait_q);
 			BT_DBG("HS ACTIVATED!");
 		} else {
 			BT_DBG("HS Enable failed");
@@ -214,6 +215,23 @@ int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, u8 subcmd)
 }
 EXPORT_SYMBOL_GPL(btmrvl_send_module_cfg_cmd);
 
+int btmrvl_pscan_window_reporting(struct btmrvl_private *priv, u8 subcmd)
+{
+	struct btmrvl_sdio_card *card = priv->btmrvl_dev.card;
+	int ret;
+
+	if (!card->support_pscan_win_report)
+		return 0;
+
+	ret = btmrvl_send_sync_cmd(priv, BT_CMD_PSCAN_WIN_REPORT_ENABLE,
+				   &subcmd, 1);
+	if (ret)
+		BT_ERR("PSCAN_WIN_REPORT_ENABLE command failed: %#x", ret);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(btmrvl_pscan_window_reporting);
+
 int btmrvl_send_hscfg_cmd(struct btmrvl_private *priv)
 {
 	int ret;
@@ -253,11 +271,31 @@ EXPORT_SYMBOL_GPL(btmrvl_enable_ps);
 
 int btmrvl_enable_hs(struct btmrvl_private *priv)
 {
+	struct btmrvl_adapter *adapter = priv->adapter;
 	int ret;
 
 	ret = btmrvl_send_sync_cmd(priv, BT_CMD_HOST_SLEEP_ENABLE, NULL, 0);
-	if (ret)
+	if (ret) {
 		BT_ERR("Host sleep enable command failed\n");
+		return ret;
+	}
+
+	ret = wait_event_interruptible_timeout(adapter->event_hs_wait_q,
+					       adapter->hs_state,
+			msecs_to_jiffies(WAIT_UNTIL_HS_STATE_CHANGED));
+	if (ret < 0) {
+		BT_ERR("event_hs_wait_q terminated (%d): %d,%d,%d",
+		       ret, adapter->hs_state, adapter->ps_state,
+		       adapter->wakeup_tries);
+	} else if (!ret) {
+		BT_ERR("hs_enable timeout: %d,%d,%d", adapter->hs_state,
+		       adapter->ps_state, adapter->wakeup_tries);
+		ret = -ETIMEDOUT;
+	} else {
+		BT_DBG("host sleep enabled: %d,%d,%d", adapter->hs_state,
+		       adapter->ps_state, adapter->wakeup_tries);
+		ret = 0;
+	}
 
 	return ret;
 }
@@ -358,6 +396,7 @@ static void btmrvl_init_adapter(struct btmrvl_private *priv)
 	}
 
 	init_waitqueue_head(&priv->adapter->cmd_wait_q);
+	init_waitqueue_head(&priv->adapter->event_hs_wait_q);
 }
 
 static void btmrvl_free_adapter(struct btmrvl_private *priv)
@@ -489,6 +528,8 @@ static int btmrvl_setup(struct hci_dev *hdev)
 
 	btmrvl_cal_data_dt(priv);
 
+	btmrvl_pscan_window_reporting(priv, 0x01);
+
 	priv->btmrvl_dev.psmode = 1;
 	btmrvl_enable_ps(priv);
 
@@ -666,6 +707,7 @@ int btmrvl_remove_card(struct btmrvl_private *priv)
 	hdev = priv->btmrvl_dev.hcidev;
 
 	wake_up_interruptible(&priv->adapter->cmd_wait_q);
+	wake_up_interruptible(&priv->adapter->event_hs_wait_q);
 
 	kthread_stop(priv->main_thread.task);
 

drivers/bluetooth/btmrvl_sdio.c

@@ -108,6 +108,7 @@ static const struct btmrvl_sdio_device btmrvl_sdio_sd8688 = {
 	.helper		= "mrvl/sd8688_helper.bin",
 	.firmware	= "mrvl/sd8688.bin",
 	.reg		= &btmrvl_reg_8688,
+	.support_pscan_win_report = false,
 	.sd_blksz_fw_dl	= 64,
 };
 
@@ -115,6 +116,7 @@ static const struct btmrvl_sdio_device btmrvl_sdio_sd8787 = {
 	.helper		= NULL,
 	.firmware	= "mrvl/sd8787_uapsta.bin",
 	.reg		= &btmrvl_reg_87xx,
+	.support_pscan_win_report = false,
 	.sd_blksz_fw_dl	= 256,
 };
 
@@ -122,6 +124,7 @@ static const struct btmrvl_sdio_device btmrvl_sdio_sd8797 = {
 	.helper		= NULL,
 	.firmware	= "mrvl/sd8797_uapsta.bin",
 	.reg		= &btmrvl_reg_87xx,
+	.support_pscan_win_report = false,
 	.sd_blksz_fw_dl	= 256,
 };
 
@@ -129,6 +132,7 @@ static const struct btmrvl_sdio_device btmrvl_sdio_sd8897 = {
 	.helper		= NULL,
 	.firmware	= "mrvl/sd8897_uapsta.bin",
 	.reg		= &btmrvl_reg_88xx,
+	.support_pscan_win_report = true,
 	.sd_blksz_fw_dl	= 256,
 };
 
@@ -1067,6 +1071,7 @@ static int btmrvl_sdio_probe(struct sdio_func *func,
 		card->firmware = data->firmware;
 		card->reg = data->reg;
 		card->sd_blksz_fw_dl = data->sd_blksz_fw_dl;
+		card->support_pscan_win_report = data->support_pscan_win_report;
 	}
 
 	if (btmrvl_sdio_register_dev(card) < 0) {

drivers/bluetooth/btmrvl_sdio.h

@@ -89,6 +89,7 @@ struct btmrvl_sdio_card {
 	const char *helper;
 	const char *firmware;
 	const struct btmrvl_sdio_card_reg *reg;
+	bool support_pscan_win_report;
 	u16 sd_blksz_fw_dl;
 	u8 rx_unit;
 	struct btmrvl_private *priv;
@@ -98,6 +99,7 @@ struct btmrvl_sdio_device {
 	const char *helper;
 	const char *firmware;
 	const struct btmrvl_sdio_card_reg *reg;
+	const bool support_pscan_win_report;
 	u16 sd_blksz_fw_dl;
 };
 

drivers/bluetooth/btusb.c

@@ -30,9 +30,6 @@
 
 #define VERSION "0.6"
 
-static bool ignore_dga;
-static bool ignore_csr;
-static bool ignore_sniffer;
 static bool disable_scofix;
 static bool force_scofix;
 
@@ -49,7 +46,8 @@ static struct usb_driver btusb_driver;
 #define BTUSB_WRONG_SCO_MTU	0x40
 #define BTUSB_ATH3012		0x80
 #define BTUSB_INTEL		0x100
-#define BTUSB_BCM_PATCHRAM	0x200
+#define BTUSB_INTEL_BOOT	0x200
+#define BTUSB_BCM_PATCHRAM	0x400
 
 static const struct usb_device_id btusb_table[] = {
 	/* Generic Bluetooth USB device */
@@ -121,6 +119,10 @@ static const struct usb_device_id btusb_table[] = {
 	/* IMC Networks - Broadcom based */
 	{ USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01) },
 
+	/* Intel Bluetooth USB Bootloader (RAM module) */
+	{ USB_DEVICE(0x8087, 0x0a5a),
+	  .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC },
+
 	{ }	/* Terminating entry */
 };
 
@@ -175,6 +177,7 @@ static const struct usb_device_id blacklist_table[] = {
 	{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
 
 	/* Atheros AR5BBU12 with sflash firmware */
 	{ USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
@@ -228,10 +231,12 @@ static const struct usb_device_id blacklist_table[] = {
 	{ USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
 
 	/* CSR BlueCore Bluetooth Sniffer */
-	{ USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER },
+	{ USB_DEVICE(0x0a12, 0x0002),
+	  .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
 
 	/* Frontline ComProbe Bluetooth Sniffer */
-	{ USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER },
+	{ USB_DEVICE(0x16d3, 0x0002),
+	  .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
 
 	/* Intel Bluetooth device */
 	{ USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL },
@@ -1182,6 +1187,51 @@ static int btusb_setup_intel_patching(struct hci_dev *hdev,
 	return 0;
 }
 
+#define BDADDR_INTEL (&(bdaddr_t) {{0x00, 0x8b, 0x9e, 0x19, 0x03, 0x00}})
+
+static int btusb_check_bdaddr_intel(struct hci_dev *hdev)
+{
+	struct sk_buff *skb;
+	struct hci_rp_read_bd_addr *rp;
+
+	skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL,
+			     HCI_INIT_TIMEOUT);
+	if (IS_ERR(skb)) {
+		BT_ERR("%s reading Intel device address failed (%ld)",
+		       hdev->name, PTR_ERR(skb));
+		return PTR_ERR(skb);
+	}
+
+	if (skb->len != sizeof(*rp)) {
+		BT_ERR("%s Intel device address length mismatch", hdev->name);
+		kfree_skb(skb);
+		return -EIO;
+	}
+
+	rp = (struct hci_rp_read_bd_addr *) skb->data;
+	if (rp->status) {
+		BT_ERR("%s Intel device address result failed (%02x)",
+		       hdev->name, rp->status);
+		kfree_skb(skb);
+		return -bt_to_errno(rp->status);
+	}
+
+	/* For some Intel based controllers, the default Bluetooth device
+	 * address 00:03:19:9E:8B:00 can be found. These controllers are
+	 * fully operational, but have the danger of duplicate addresses
+	 * and that in turn can cause problems with Bluetooth operation.
+	 */
+	if (!bacmp(&rp->bdaddr, BDADDR_INTEL)) {
+		BT_ERR("%s found Intel default device address (%pMR)",
+		       hdev->name, &rp->bdaddr);
+		set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
+	}
+
+	kfree_skb(skb);
+
+	return 0;
+}
+
 static int btusb_setup_intel(struct hci_dev *hdev)
 {
 	struct sk_buff *skb;
@@ -1254,6 +1304,7 @@ static int btusb_setup_intel(struct hci_dev *hdev)
 		BT_INFO("%s: Intel device is already patched. patch num: %02x",
 			hdev->name, ver->fw_patch_num);
 		kfree_skb(skb);
+		btusb_check_bdaddr_intel(hdev);
 		return 0;
 	}
 
@@ -1266,6 +1317,7 @@ static int btusb_setup_intel(struct hci_dev *hdev)
 	fw = btusb_setup_intel_get_fw(hdev, ver);
 	if (!fw) {
 		kfree_skb(skb);
+		btusb_check_bdaddr_intel(hdev);
 		return 0;
 	}
 	fw_ptr = fw->data;
@@ -1345,6 +1397,7 @@ static int btusb_setup_intel(struct hci_dev *hdev)
 	BT_INFO("%s: Intel Bluetooth firmware patch completed and activated",
 		hdev->name);
 
+	btusb_check_bdaddr_intel(hdev);
 	return 0;
 
 exit_mfg_disable:
@@ -1359,6 +1412,8 @@ static int btusb_setup_intel(struct hci_dev *hdev)
 	kfree_skb(skb);
 
 	BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name);
+
+	btusb_check_bdaddr_intel(hdev);
 	return 0;
 
 exit_mfg_deactivate:
@@ -1379,9 +1434,29 @@ static int btusb_setup_intel(struct hci_dev *hdev)
 	BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated",
 		hdev->name);
 
+	btusb_check_bdaddr_intel(hdev);
+	return 0;
+}
+
+static int btusb_set_bdaddr_intel(struct hci_dev *hdev, const bdaddr_t *bdaddr)
+{
+	struct sk_buff *skb;
+	long ret;
+
+	skb = __hci_cmd_sync(hdev, 0xfc31, 6, bdaddr, HCI_INIT_TIMEOUT);
+	if (IS_ERR(skb)) {
+		ret = PTR_ERR(skb);
+		BT_ERR("%s: changing Intel device address failed (%ld)",
+			hdev->name, ret);
+		return ret;
+	}
+	kfree_skb(skb);
+
 	return 0;
 }
 
+#define BDADDR_BCM20702A0 (&(bdaddr_t) {{0x00, 0xa0, 0x02, 0x70, 0x20, 0x00}})
+
 static int btusb_setup_bcm_patchram(struct hci_dev *hdev)
 {
 	struct btusb_data *data = hci_get_drvdata(hdev);
@@ -1395,6 +1470,7 @@ static int btusb_setup_bcm_patchram(struct hci_dev *hdev)
 	u16 opcode;
 	struct sk_buff *skb;
 	struct hci_rp_read_local_version *ver;
+	struct hci_rp_read_bd_addr *bda;
 	long ret;
 
 	snprintf(fw_name, sizeof(fw_name), "brcm/%s-%04x-%04x.hcd",
@@ -1404,8 +1480,7 @@ static int btusb_setup_bcm_patchram(struct hci_dev *hdev)
 
 	ret = request_firmware(&fw, fw_name, &hdev->dev);
 	if (ret < 0) {
-		BT_INFO("%s: BCM: patch %s not found", hdev->name,
-			fw_name);
+		BT_INFO("%s: BCM: patch %s not found", hdev->name, fw_name);
 		return 0;
 	}
 
@@ -1524,12 +1599,67 @@ static int btusb_setup_bcm_patchram(struct hci_dev *hdev)
 		ver->lmp_ver, ver->lmp_subver);
 	kfree_skb(skb);
 
+	/* Read BD Address */
+	skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL,
+			     HCI_INIT_TIMEOUT);
+	if (IS_ERR(skb)) {
+		ret = PTR_ERR(skb);
+		BT_ERR("%s: HCI_OP_READ_BD_ADDR failed (%ld)",
+			hdev->name, ret);
+		goto done;
+	}
+
+	if (skb->len != sizeof(*bda)) {
+		BT_ERR("%s: HCI_OP_READ_BD_ADDR event length mismatch",
+			hdev->name);
+		kfree_skb(skb);
+		ret = -EIO;
+		goto done;
+	}
+
+	bda = (struct hci_rp_read_bd_addr *) skb->data;
+	if (bda->status) {
+		BT_ERR("%s: HCI_OP_READ_BD_ADDR error status (%02x)",
+		       hdev->name, bda->status);
+		kfree_skb(skb);
+		ret = -bt_to_errno(bda->status);
+		goto done;
+	}
+
+	/* The address 00:20:70:02:A0:00 indicates a BCM20702A0 controller
+	 * with no configured address.
+	 */
+	if (!bacmp(&bda->bdaddr, BDADDR_BCM20702A0)) {
+		BT_INFO("%s: BCM: using default device address (%pMR)",
+			hdev->name, &bda->bdaddr);
+		set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
+	}
+
+	kfree_skb(skb);
+
 done:
 	release_firmware(fw);
 
 	return ret;
 }
 
+static int btusb_set_bdaddr_bcm(struct hci_dev *hdev, const bdaddr_t *bdaddr)
+{
+	struct sk_buff *skb;
+	long ret;
+
+	skb = __hci_cmd_sync(hdev, 0xfc01, 6, bdaddr, HCI_INIT_TIMEOUT);
+	if (IS_ERR(skb)) {
+		ret = PTR_ERR(skb);
+		BT_ERR("%s: BCM: Change address command failed (%ld)",
+			hdev->name, ret);
+		return ret;
+	}
+	kfree_skb(skb);
+
+	return 0;
+}
+
 static int btusb_probe(struct usb_interface *intf,
 				const struct usb_device_id *id)
 {
@@ -1554,15 +1684,6 @@ static int btusb_probe(struct usb_interface *intf,
 	if (id->driver_info == BTUSB_IGNORE)
 		return -ENODEV;
 
-	if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER)
-		return -ENODEV;
-
-	if (ignore_csr && id->driver_info & BTUSB_CSR)
-		return -ENODEV;
-
-	if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER)
-		return -ENODEV;
-
 	if (id->driver_info & BTUSB_ATH3012) {
 		struct usb_device *udev = interface_to_usbdev(intf);
 
@@ -1635,11 +1756,18 @@ static int btusb_probe(struct usb_interface *intf,
 	if (id->driver_info & BTUSB_BCM92035)
 		hdev->setup = btusb_setup_bcm92035;
 
-	if (id->driver_info & BTUSB_BCM_PATCHRAM)
+	if (id->driver_info & BTUSB_BCM_PATCHRAM) {
 		hdev->setup = btusb_setup_bcm_patchram;
+		hdev->set_bdaddr = btusb_set_bdaddr_bcm;
+	}
 
-	if (id->driver_info & BTUSB_INTEL)
+	if (id->driver_info & BTUSB_INTEL) {
 		hdev->setup = btusb_setup_intel;
+		hdev->set_bdaddr = btusb_set_bdaddr_intel;
+	}
+
+	if (id->driver_info & BTUSB_INTEL_BOOT)
+		set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
 
 	/* Interface numbers are hardcoded in the specification */
 	data->isoc = usb_ifnum_to_if(data->udev, 1);
@@ -1679,8 +1807,18 @@ static int btusb_probe(struct usb_interface *intf,
 		/* New sniffer firmware has crippled HCI interface */
 		if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
 			set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
+	}
 
-		data->isoc = NULL;
+	if (id->driver_info & BTUSB_INTEL_BOOT) {
+		/* A bug in the bootloader causes that interrupt interface is
+		 * only enabled after receiving SetInterface(0, AltSetting=0).
+		 */
+		err = usb_set_interface(data->udev, 0, 0);
+		if (err < 0) {
+			BT_ERR("failed to set interface 0, alt 0 %d", err);
+			hci_free_dev(hdev);
+			return err;
+		}
 	}
 
 	if (data->isoc) {
@@ -1845,15 +1983,6 @@ static struct usb_driver btusb_driver = {
 
 module_usb_driver(btusb_driver);
 
-module_param(ignore_dga, bool, 0644);
-MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001");
-
-module_param(ignore_csr, bool, 0644);
-MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001");
-
-module_param(ignore_sniffer, bool, 0644);
-MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002");
-
 module_param(disable_scofix, bool, 0644);
 MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
 

drivers/bluetooth/hci_h5.c

@@ -355,10 +355,7 @@ static void h5_complete_rx_pkt(struct hci_uart *hu)
 
 static int h5_rx_crc(struct hci_uart *hu, unsigned char c)
 {
-	struct h5 *h5 = hu->priv;
-
 	h5_complete_rx_pkt(hu);
-	h5_reset_rx(h5);
 
 	return 0;
 }
@@ -373,7 +370,6 @@ static int h5_rx_payload(struct hci_uart *hu, unsigned char c)
 		h5->rx_pending = 2;
 	} else {
 		h5_complete_rx_pkt(hu);
-		h5_reset_rx(h5);
 	}
 
 	return 0;

drivers/bluetooth/hci_vhci.c

@@ -40,7 +40,7 @@
 #include <net/bluetooth/bluetooth.h>
 #include <net/bluetooth/hci_core.h>
 
-#define VERSION "1.4"
+#define VERSION "1.5"
 
 static bool amp;
 
@@ -95,10 +95,21 @@ static int vhci_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
 	return 0;
 }
 
-static int vhci_create_device(struct vhci_data *data, __u8 dev_type)
+static int vhci_create_device(struct vhci_data *data, __u8 opcode)
 {
 	struct hci_dev *hdev;
 	struct sk_buff *skb;
+	__u8 dev_type;
+
+	/* bits 0-1 are dev_type (BR/EDR or AMP) */
+	dev_type = opcode & 0x03;
+
+	if (dev_type != HCI_BREDR && dev_type != HCI_AMP)
+		return -EINVAL;
+
+	/* bits 2-5 are reserved (must be zero) */
+	if (opcode & 0x3c)
+		return -EINVAL;
 
 	skb = bt_skb_alloc(4, GFP_KERNEL);
 	if (!skb)
@@ -121,6 +132,14 @@ static int vhci_create_device(struct vhci_data *data, __u8 dev_type)
 	hdev->flush = vhci_flush;
 	hdev->send  = vhci_send_frame;
 
+	/* bit 6 is for external configuration */
+	if (opcode & 0x40)
+		set_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks);
+
+	/* bit 7 is for raw device */
+	if (opcode & 0x80)
+		set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
+
 	if (hci_register_dev(hdev) < 0) {
 		BT_ERR("Can't register HCI device");
 		hci_free_dev(hdev);
@@ -132,7 +151,7 @@ static int vhci_create_device(struct vhci_data *data, __u8 dev_type)
 	bt_cb(skb)->pkt_type = HCI_VENDOR_PKT;
 
 	*skb_put(skb, 1) = 0xff;
-	*skb_put(skb, 1) = dev_type;
+	*skb_put(skb, 1) = opcode;
 	put_unaligned_le16(hdev->id, skb_put(skb, 2));
 	skb_queue_tail(&data->readq, skb);
 
@@ -146,7 +165,7 @@ static inline ssize_t vhci_get_user(struct vhci_data *data,
 {
 	size_t len = iov_length(iov, count);
 	struct sk_buff *skb;
-	__u8 pkt_type, dev_type;
+	__u8 pkt_type, opcode;
 	unsigned long i;
 	int ret;
 
@@ -190,7 +209,7 @@ static inline ssize_t vhci_get_user(struct vhci_data *data,
 
 		cancel_delayed_work_sync(&data->open_timeout);
 
-		dev_type = *((__u8 *) skb->data);
+		opcode = *((__u8 *) skb->data);
 		skb_pull(skb, 1);
 
 		if (skb->len > 0) {
@@ -200,10 +219,7 @@ static inline ssize_t vhci_get_user(struct vhci_data *data,
 
 		kfree_skb(skb);
 
-		if (dev_type != HCI_BREDR && dev_type != HCI_AMP)
-			return -EINVAL;
-
-		ret = vhci_create_device(data, dev_type);
+		ret = vhci_create_device(data, opcode);
 		break;
 
 	default:

include/net/bluetooth/bluetooth.h

@@ -260,15 +260,15 @@ struct sock *bt_accept_dequeue(struct sock *parent, struct socket *newsock);
 
 /* Skb helpers */
 struct l2cap_ctrl {
-	unsigned int	sframe:1,
-			poll:1,
-			final:1,
-			fcs:1,
-			sar:2,
-			super:2;
-	__u16		reqseq;
-	__u16		txseq;
-	__u8		retries;
+	__u8	sframe:1,
+		poll:1,
+		final:1,
+		fcs:1,
+		sar:2,
+		super:2;
+	__u16	reqseq;
+	__u16	txseq;
+	__u8	retries;
 };
 
 struct hci_dev;

include/net/bluetooth/hci.h

@@ -81,10 +81,54 @@
 
 /* HCI device quirks */
 enum {
+	/* When this quirk is set, the HCI Reset command is send when
+	 * closing the transport instead of when opening it.
+	 *
+	 * This quirk must be set before hci_register_dev is called.
+	 */
 	HCI_QUIRK_RESET_ON_CLOSE,
+
+	/* When this quirk is set, the device is turned into a raw-only
+	 * device and it will stay in unconfigured state.
+	 *
+	 * This quirk must be set before hci_register_dev is called.
+	 */
 	HCI_QUIRK_RAW_DEVICE,
+
+	/* When this quirk is set, the buffer sizes reported by
+	 * HCI Read Buffer Size command are corrected if invalid.
+	 *
+	 * This quirk must be set before hci_register_dev is called.
+	 */
 	HCI_QUIRK_FIXUP_BUFFER_SIZE,
+
+	/* When this quirk is set, then no stored link key handling
+	 * is performed. This is mainly due to the fact that the
+	 * HCI Delete Stored Link Key command is advertised, but
+	 * not supported.
+	 *
+	 * This quirk must be set before hci_register_dev is called.
+	 */
 	HCI_QUIRK_BROKEN_STORED_LINK_KEY,
+
+	/* When this quirk is set, an external configuration step
+	 * is required and will be indicated with the controller
+	 * configuation.
+	 *
+	 * This quirk can be set before hci_register_dev is called or
+	 * during the hdev->setup vendor callback.
+	 */
+	HCI_QUIRK_EXTERNAL_CONFIG,
+
+	/* When this quirk is set, the public Bluetooth address
+	 * initially reported by HCI Read BD Address command
+	 * is considered invalid. Controller configuration is
+	 * required before this device can be used.
+	 *
+	 * This quirk can be set before hci_register_dev is called or
+	 * during the hdev->setup vendor callback.
+	 */
+	HCI_QUIRK_INVALID_BDADDR,
 };
 
 /* HCI device flags */
@@ -104,24 +148,34 @@ enum {
 	HCI_RESET,
 };
 
+/* BR/EDR and/or LE controller flags: the flags defined here should represent
+ * states configured via debugfs for debugging and testing purposes only.
+ */
+enum {
+	HCI_DUT_MODE,
+	HCI_FORCE_SC,
+	HCI_FORCE_STATIC_ADDR,
+};
+
 /*
  * BR/EDR and/or LE controller flags: the flags defined here should represent
  * states from the controller.
  */
 enum {
 	HCI_SETUP,
+	HCI_CONFIG,
 	HCI_AUTO_OFF,
 	HCI_RFKILLED,
 	HCI_MGMT,
 	HCI_PAIRABLE,
 	HCI_SERVICE_CACHE,
-	HCI_DEBUG_KEYS,
-	HCI_DUT_MODE,
-	HCI_FORCE_SC,
-	HCI_FORCE_STATIC_ADDR,
+	HCI_KEEP_DEBUG_KEYS,
+	HCI_USE_DEBUG_KEYS,
 	HCI_UNREGISTER,
+	HCI_UNCONFIGURED,
 	HCI_USER_CHANNEL,
-
+	HCI_EXT_CONFIGURED,
+	HCI_LE_ADV,
 	HCI_LE_SCAN,
 	HCI_SSP_ENABLED,
 	HCI_SC_ENABLED,
@@ -139,7 +193,6 @@ enum {
 	HCI_PERIODIC_INQ,
 	HCI_FAST_CONNECTABLE,
 	HCI_BREDR_ENABLED,
-	HCI_6LOWPAN_ENABLED,
 	HCI_LE_SCAN_INTERRUPTED,
 };
 
@@ -147,7 +200,7 @@ enum {
  * or the HCI device is closed.
  */
 #define HCI_PERSISTENT_MASK (BIT(HCI_LE_SCAN) | BIT(HCI_PERIODIC_INQ) | \
-			      BIT(HCI_FAST_CONNECTABLE))
+			      BIT(HCI_FAST_CONNECTABLE) | BIT(HCI_LE_ADV))
 
 /* HCI ioctl defines */
 #define HCIDEVUP	_IOW('H', 201, int)
@@ -185,6 +238,7 @@ enum {
 #define HCI_AUTO_OFF_TIMEOUT	msecs_to_jiffies(2000)	/* 2 seconds */
 #define HCI_POWER_OFF_TIMEOUT	msecs_to_jiffies(5000)	/* 5 seconds */
 #define HCI_LE_CONN_TIMEOUT	msecs_to_jiffies(20000)	/* 20 seconds */
+#define HCI_LE_AUTOCONN_TIMEOUT	msecs_to_jiffies(2000)	/* 2 seconds */
 
 /* HCI data types */
 #define HCI_COMMAND_PKT		0x01
@@ -301,6 +355,10 @@ enum {
 #define LMP_HOST_LE_BREDR	0x04
 #define LMP_HOST_SC		0x08
 
+/* LE features */
+#define HCI_LE_CONN_PARAM_REQ_PROC	0x02
+#define HCI_LE_PING			0x10
+
 /* Connection modes */
 #define HCI_CM_ACTIVE	0x0000
 #define HCI_CM_HOLD	0x0001
@@ -347,17 +405,9 @@ enum {
 #define HCI_LK_CHANGED_COMBINATION	0x06
 #define HCI_LK_UNAUTH_COMBINATION_P256	0x07
 #define HCI_LK_AUTH_COMBINATION_P256	0x08
-/* The spec doesn't define types for SMP keys, the _MASTER suffix is implied */
-#define HCI_SMP_STK			0x80
-#define HCI_SMP_STK_SLAVE		0x81
-#define HCI_SMP_LTK			0x82
-#define HCI_SMP_LTK_SLAVE		0x83
-
-/* Long Term Key types */
-#define HCI_LTK_UNAUTH			0x00
-#define HCI_LTK_AUTH			0x01
 
 /* ---- HCI Error Codes ---- */
+#define HCI_ERROR_UNKNOWN_CONN_ID	0x02
 #define HCI_ERROR_AUTH_FAILURE		0x05
 #define HCI_ERROR_MEMORY_EXCEEDED	0x07
 #define HCI_ERROR_CONNECTION_TIMEOUT	0x08
@@ -367,6 +417,7 @@ enum {
 #define HCI_ERROR_REMOTE_POWER_OFF	0x15
 #define HCI_ERROR_LOCAL_HOST_TERM	0x16
 #define HCI_ERROR_PAIRING_NOT_ALLOWED	0x18
+#define HCI_ERROR_INVALID_LL_PARAMS	0x1E
 #define HCI_ERROR_ADVERTISING_TIMEOUT	0x3c
 
 /* Flow control modes */
@@ -536,6 +587,11 @@ struct hci_cp_read_remote_version {
 	__le16   handle;
 } __packed;
 
+#define HCI_OP_READ_CLOCK_OFFSET	0x041f
+struct hci_cp_read_clock_offset {
+	__le16   handle;
+} __packed;
+
 #define HCI_OP_SETUP_SYNC_CONN		0x0428
 struct hci_cp_setup_sync_conn {
 	__le16   handle;
@@ -1085,6 +1141,18 @@ struct hci_rp_read_rssi {
 	__s8     rssi;
 } __packed;
 
+#define HCI_OP_READ_CLOCK		0x1407
+struct hci_cp_read_clock {
+	__le16   handle;
+	__u8     which;
+} __packed;
+struct hci_rp_read_clock {
+	__u8     status;
+	__le16   handle;
+	__le32   clock;
+	__le16   accuracy;
+} __packed;
+
 #define HCI_OP_READ_LOCAL_AMP_INFO	0x1409
 struct hci_rp_read_local_amp_info {
 	__u8     status;
@@ -1291,6 +1359,23 @@ struct hci_rp_le_read_supported_states {
 	__u8	le_states[8];
 } __packed;
 
+#define HCI_OP_LE_CONN_PARAM_REQ_REPLY	0x2020
+struct hci_cp_le_conn_param_req_reply {
+	__le16	handle;
+	__le16	interval_min;
+	__le16	interval_max;
+	__le16	latency;
+	__le16	timeout;
+	__le16	min_ce_len;
+	__le16	max_ce_len;
+} __packed;
+
+#define HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY	0x2021
+struct hci_cp_le_conn_param_req_neg_reply {
+	__le16	handle;
+	__u8	reason;
+} __packed;
+
 /* ---- HCI Events ---- */
 #define HCI_EV_INQUIRY_COMPLETE		0x01
 
@@ -1670,6 +1755,15 @@ struct hci_ev_le_conn_complete {
 	__u8     clk_accurancy;
 } __packed;
 
+#define HCI_EV_LE_CONN_UPDATE_COMPLETE	0x03
+struct hci_ev_le_conn_update_complete {
+	__u8     status;
+	__le16   handle;
+	__le16   interval;
+	__le16   latency;
+	__le16   supervision_timeout;
+} __packed;
+
 #define HCI_EV_LE_LTK_REQ		0x05
 struct hci_ev_le_ltk_req {
 	__le16	handle;
@@ -1677,6 +1771,15 @@ struct hci_ev_le_ltk_req {
 	__le16	ediv;
 } __packed;
 
+#define HCI_EV_LE_REMOTE_CONN_PARAM_REQ	0x06
+struct hci_ev_le_remote_conn_param_req {
+	__le16 handle;
+	__le16 interval_min;
+	__le16 interval_max;
+	__le16 latency;
+	__le16 timeout;
+} __packed;
+
 /* Advertising report event types */
 #define LE_ADV_IND		0x00
 #define LE_ADV_DIRECT_IND	0x01

include/net/bluetooth/hci_core.h

@@ -71,6 +71,7 @@ struct discovery_state {
 	bdaddr_t		last_adv_addr;
 	u8			last_adv_addr_type;
 	s8			last_adv_rssi;
+	u32			last_adv_flags;
 	u8			last_adv_data[HCI_MAX_AD_LENGTH];
 	u8			last_adv_data_len;
 };
@@ -170,6 +171,8 @@ struct hci_dev {
 	__u8		bus;
 	__u8		dev_type;
 	bdaddr_t	bdaddr;
+	bdaddr_t	setup_addr;
+	bdaddr_t	public_addr;
 	bdaddr_t	random_addr;
 	bdaddr_t	static_addr;
 	__u8		adv_addr_type;
@@ -203,10 +206,13 @@ struct hci_dev {
 	__u16		le_scan_window;
 	__u16		le_conn_min_interval;
 	__u16		le_conn_max_interval;
+	__u16		le_conn_latency;
+	__u16		le_supv_timeout;
 	__u16		discov_interleaved_timeout;
 	__u16		conn_info_min_age;
 	__u16		conn_info_max_age;
 	__u8		ssp_debug_mode;
+	__u32		clock;
 
 	__u16		devid_source;
 	__u16		devid_vendor;
@@ -273,7 +279,7 @@ struct hci_dev {
 
 	struct delayed_work	service_cache;
 
-	struct timer_list	cmd_timer;
+	struct delayed_work	cmd_timer;
 
 	struct work_struct	rx_work;
 	struct work_struct	cmd_work;
@@ -299,6 +305,7 @@ struct hci_dev {
 
 	struct list_head	mgmt_pending;
 	struct list_head	blacklist;
+	struct list_head	whitelist;
 	struct list_head	uuids;
 	struct list_head	link_keys;
 	struct list_head	long_term_keys;
@@ -307,6 +314,7 @@ struct hci_dev {
 	struct list_head	le_white_list;
 	struct list_head	le_conn_params;
 	struct list_head	pend_le_conns;
+	struct list_head	pend_le_reports;
 
 	struct hci_dev_stats	stat;
 
@@ -318,6 +326,7 @@ struct hci_dev {
 
 	struct rfkill		*rfkill;
 
+	unsigned long		dbg_flags;
 	unsigned long		dev_flags;
 
 	struct delayed_work	le_scan_disable;
@@ -339,6 +348,7 @@ struct hci_dev {
 	int (*setup)(struct hci_dev *hdev);
 	int (*send)(struct hci_dev *hdev, struct sk_buff *skb);
 	void (*notify)(struct hci_dev *hdev, unsigned int evt);
+	int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr);
 };
 
 #define HCI_PHY_HANDLE(handle)	(handle & 0xff)
@@ -366,7 +376,6 @@ struct hci_conn {
 	__u8		features[HCI_MAX_PAGES][8];
 	__u16		pkt_type;
 	__u16		link_policy;
-	__u32		link_mode;
 	__u8		key_type;
 	__u8		auth_type;
 	__u8		sec_level;
@@ -377,20 +386,26 @@ struct hci_conn {
 	__u32		passkey_notify;
 	__u8		passkey_entered;
 	__u16		disc_timeout;
+	__u16		conn_timeout;
 	__u16		setting;
 	__u16		le_conn_min_interval;
 	__u16		le_conn_max_interval;
+	__u16		le_conn_interval;
+	__u16		le_conn_latency;
+	__u16		le_supv_timeout;
 	__s8		rssi;
 	__s8		tx_power;
 	__s8		max_tx_power;
 	unsigned long	flags;
 
+	__u32		clock;
+	__u16		clock_accuracy;
+
 	unsigned long	conn_info_timestamp;
 
 	__u8		remote_cap;
 	__u8		remote_auth;
 	__u8		remote_id;
-	bool		flush_key;
 
 	unsigned int	sent;
 
@@ -407,7 +422,6 @@ struct hci_conn {
 	struct hci_dev	*hdev;
 	void		*l2cap_data;
 	void		*sco_data;
-	void		*smp_conn;
 	struct amp_mgr	*amp_mgr;
 
 	struct hci_conn	*link;
@@ -428,15 +442,19 @@ struct hci_chan {
 
 struct hci_conn_params {
 	struct list_head list;
+	struct list_head action;
 
 	bdaddr_t addr;
 	u8 addr_type;
 
 	u16 conn_min_interval;
 	u16 conn_max_interval;
+	u16 conn_latency;
+	u16 supervision_timeout;
 
 	enum {
 		HCI_AUTO_CONN_DISABLED,
+		HCI_AUTO_CONN_REPORT,
 		HCI_AUTO_CONN_ALWAYS,
 		HCI_AUTO_CONN_LINK_LOSS,
 	} auto_connect;
@@ -501,8 +519,8 @@ struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev,
 						       int state);
 void hci_inquiry_cache_update_resolve(struct hci_dev *hdev,
 				      struct inquiry_entry *ie);
-bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data,
-			      bool name_known, bool *ssp);
+u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data,
+			     bool name_known);
 void hci_inquiry_cache_flush(struct hci_dev *hdev);
 
 /* ----- HCI Connections ----- */
@@ -520,7 +538,13 @@ enum {
 	HCI_CONN_AES_CCM,
 	HCI_CONN_POWER_SAVE,
 	HCI_CONN_REMOTE_OOB,
-	HCI_CONN_6LOWPAN,
+	HCI_CONN_FLUSH_KEY,
+	HCI_CONN_MASTER,
+	HCI_CONN_ENCRYPT,
+	HCI_CONN_AUTH,
+	HCI_CONN_SECURE,
+	HCI_CONN_FIPS,
+	HCI_CONN_STK_ENCRYPT,
 };
 
 static inline bool hci_conn_ssp_enabled(struct hci_conn *conn)
@@ -681,7 +705,8 @@ void hci_chan_list_flush(struct hci_conn *conn);
 struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle);
 
 struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
-				u8 dst_type, u8 sec_level, u8 auth_type);
+				u8 dst_type, u8 sec_level, u16 conn_timeout,
+				bool master);
 struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst,
 				 u8 sec_level, u8 auth_type);
 struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst,
@@ -825,30 +850,25 @@ int hci_get_conn_info(struct hci_dev *hdev, void __user *arg);
 int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);
 int hci_inquiry(void __user *arg);
 
-struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev,
-					 bdaddr_t *bdaddr, u8 type);
-int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
-int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
-
-struct bdaddr_list *hci_white_list_lookup(struct hci_dev *hdev,
-					  bdaddr_t *bdaddr, u8 type);
-void hci_white_list_clear(struct hci_dev *hdev);
-int hci_white_list_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
-int hci_white_list_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
+struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list,
+					   bdaddr_t *bdaddr, u8 type);
+int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type);
+int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type);
+void hci_bdaddr_list_clear(struct list_head *list);
 
 struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev,
 					       bdaddr_t *addr, u8 addr_type);
-int hci_conn_params_add(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type,
-			u8 auto_connect, u16 conn_min_interval,
-			u16 conn_max_interval);
+struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev,
+					    bdaddr_t *addr, u8 addr_type);
+int hci_conn_params_set(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type,
+			u8 auto_connect);
 void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type);
-void hci_conn_params_clear(struct hci_dev *hdev);
+void hci_conn_params_clear_all(struct hci_dev *hdev);
+void hci_conn_params_clear_disabled(struct hci_dev *hdev);
 
-struct bdaddr_list *hci_pend_le_conn_lookup(struct hci_dev *hdev,
-					    bdaddr_t *addr, u8 addr_type);
-void hci_pend_le_conn_add(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type);
-void hci_pend_le_conn_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type);
-void hci_pend_le_conns_clear(struct hci_dev *hdev);
+struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list,
+						  bdaddr_t *addr,
+						  u8 addr_type);
 
 void hci_update_background_scan(struct hci_dev *hdev);
 
@@ -856,8 +876,9 @@ void hci_uuids_clear(struct hci_dev *hdev);
 
 void hci_link_keys_clear(struct hci_dev *hdev);
 struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
-int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key,
-		     bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len);
+struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn,
+				  bdaddr_t *bdaddr, u8 *val, u8 type,
+				  u8 pin_len, bool *persistent);
 struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, __le64 rand,
 			     bool master);
 struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr,
@@ -1021,7 +1042,7 @@ static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status)
 	if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags))
 		return;
 
-	encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
+	encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00;
 	l2cap_security_cfm(conn, status, encrypt);
 
 	if (conn->security_cfm_cb)
@@ -1062,7 +1083,7 @@ static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
 	if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags))
 		return;
 
-	encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
+	encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00;
 
 	read_lock(&hci_cb_list_lock);
 	list_for_each_entry(cb, &hci_cb_list, list) {
@@ -1147,7 +1168,7 @@ static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type)
 
 static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type)
 {
-	if (addr_type != 0x01)
+	if (addr_type != ADDR_LE_DEV_RANDOM)
 		return false;
 
 	if ((bdaddr->b[5] & 0xc0) == 0x40)
@@ -1156,6 +1177,18 @@ static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type)
 	return false;
 }
 
+static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type)
+{
+	if (addr_type == ADDR_LE_DEV_PUBLIC)
+		return true;
+
+	/* Check for Random Static address type */
+	if ((addr->b[5] & 0xc0) == 0xc0)
+		return true;
+
+	return false;
+}
+
 static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev,
 					  bdaddr_t *bdaddr, u8 addr_type)
 {
@@ -1165,6 +1198,27 @@ static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev,
 	return hci_find_irk_by_rpa(hdev, bdaddr);
 }
 
+static inline int hci_check_conn_params(u16 min, u16 max, u16 latency,
+					u16 to_multiplier)
+{
+	u16 max_latency;
+
+	if (min > max || min < 6 || max > 3200)
+		return -EINVAL;
+
+	if (to_multiplier < 10 || to_multiplier > 3200)
+		return -EINVAL;
+
+	if (max >= to_multiplier * 8)
+		return -EINVAL;
+
+	max_latency = (to_multiplier * 8 / max) - 1;
+	if (latency > 499 || latency > max_latency)
+		return -EINVAL;
+
+	return 0;
+}
+
 int hci_register_cb(struct hci_cb *hcb);
 int hci_unregister_cb(struct hci_cb *hcb);
 
@@ -1227,6 +1281,7 @@ void hci_sock_dev_event(struct hci_dev *hdev, int event);
 #define DISCOV_BREDR_INQUIRY_LEN	0x08
 
 int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len);
+int mgmt_new_settings(struct hci_dev *hdev);
 void mgmt_index_added(struct hci_dev *hdev);
 void mgmt_index_removed(struct hci_dev *hdev);
 void mgmt_set_powered_failed(struct hci_dev *hdev, int err);
@@ -1234,7 +1289,6 @@ int mgmt_powered(struct hci_dev *hdev, u8 powered);
 void mgmt_discoverable_timeout(struct hci_dev *hdev);
 void mgmt_discoverable(struct hci_dev *hdev, u8 discoverable);
 void mgmt_connectable(struct hci_dev *hdev, u8 connectable);
-void mgmt_advertising(struct hci_dev *hdev, u8 advertising);
 void mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status);
 void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
 		       bool persistent);
@@ -1281,18 +1335,18 @@ void mgmt_read_local_oob_data_complete(struct hci_dev *hdev, u8 *hash192,
 				       u8 *randomizer192, u8 *hash256,
 				       u8 *randomizer256, u8 status);
 void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
-		       u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name,
-		       u8 ssp, u8 *eir, u16 eir_len, u8 *scan_rsp,
-		       u8 scan_rsp_len);
+		       u8 addr_type, u8 *dev_class, s8 rssi, u32 flags,
+		       u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len);
 void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
 		      u8 addr_type, s8 rssi, u8 *name, u8 name_len);
 void mgmt_discovering(struct hci_dev *hdev, u8 discovering);
-int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
-int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
 void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent);
 void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk);
 void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
 		   bool persistent);
+void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
+			 u8 bdaddr_type, u8 store_hint, u16 min_interval,
+			 u16 max_interval, u16 latency, u16 timeout);
 void mgmt_reenable_advertising(struct hci_dev *hdev);
 void mgmt_smp_complete(struct hci_conn *conn, bool complete);
 
@@ -1324,8 +1378,8 @@ struct hci_sec_filter {
 #define hci_req_lock(d)		mutex_lock(&d->req_lock)
 #define hci_req_unlock(d)	mutex_unlock(&d->req_lock)
 
-void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max,
-					u16 latency, u16 to_multiplier);
+u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency,
+		      u16 to_multiplier);
 void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand,
 							__u8 ltk[16]);
 

include/net/bluetooth/l2cap.h

@@ -137,7 +137,6 @@ struct l2cap_conninfo {
 #define L2CAP_FC_L2CAP		0x02
 #define L2CAP_FC_CONNLESS	0x04
 #define L2CAP_FC_A2MP		0x08
-#define L2CAP_FC_6LOWPAN        0x3e /* reserved and temporary value */
 
 /* L2CAP Control Field bit masks */
 #define L2CAP_CTRL_SAR			0xC000
@@ -579,7 +578,7 @@ struct l2cap_chan {
 	struct list_head	global_l;
 
 	void			*data;
-	struct l2cap_ops	*ops;
+	const struct l2cap_ops	*ops;
 	struct mutex		lock;
 };
 
@@ -600,7 +599,12 @@ struct l2cap_ops {
 	void			(*set_shutdown) (struct l2cap_chan *chan);
 	long			(*get_sndtimeo) (struct l2cap_chan *chan);
 	struct sk_buff		*(*alloc_skb) (struct l2cap_chan *chan,
+					       unsigned long hdr_len,
 					       unsigned long len, int nb);
+	int			(*memcpy_fromiovec) (struct l2cap_chan *chan,
+						     unsigned char *kdata,
+						     struct iovec *iov,
+						     int len);
 };
 
 struct l2cap_conn {
@@ -856,6 +860,31 @@ static inline long l2cap_chan_no_get_sndtimeo(struct l2cap_chan *chan)
 	return 0;
 }
 
+static inline int l2cap_chan_no_memcpy_fromiovec(struct l2cap_chan *chan,
+						 unsigned char *kdata,
+						 struct iovec *iov,
+						 int len)
+{
+	/* Following is safe since for compiler definitions of kvec and
+	 * iovec are identical, yielding the same in-core layout and alignment
+	 */
+	struct kvec *vec = (struct kvec *)iov;
+
+	while (len > 0) {
+		if (vec->iov_len) {
+			int copy = min_t(unsigned int, len, vec->iov_len);
+			memcpy(kdata, vec->iov_base, copy);
+			len -= copy;
+			kdata += copy;
+			vec->iov_base += copy;
+			vec->iov_len -= copy;
+		}
+		vec++;
+	}
+
+	return 0;
+}
+
 extern bool disable_ertm;
 
 int l2cap_init_sockets(void);
@@ -872,8 +901,7 @@ struct l2cap_chan *l2cap_chan_create(void);
 void l2cap_chan_close(struct l2cap_chan *chan, int reason);
 int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid,
 		       bdaddr_t *dst, u8 dst_type);
-int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len,
-								u32 priority);
+int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len);
 void l2cap_chan_busy(struct l2cap_chan *chan, int busy);
 int l2cap_chan_check_security(struct l2cap_chan *chan);
 void l2cap_chan_set_defaults(struct l2cap_chan *chan);

include/net/bluetooth/mgmt.h

@@ -97,6 +97,7 @@ struct mgmt_rp_read_index_list {
 #define MGMT_SETTING_SECURE_CONN	0x00000800
 #define MGMT_SETTING_DEBUG_KEYS		0x00001000
 #define MGMT_SETTING_PRIVACY		0x00002000
+#define MGMT_SETTING_CONFIGURATION	0x00004000
 
 #define MGMT_OP_READ_INFO		0x0004
 #define MGMT_READ_INFO_SIZE		0
@@ -424,6 +425,76 @@ struct mgmt_rp_get_conn_info {
 	__s8	max_tx_power;
 } __packed;
 
+#define MGMT_OP_GET_CLOCK_INFO		0x0032
+struct mgmt_cp_get_clock_info {
+	struct mgmt_addr_info addr;
+} __packed;
+#define MGMT_GET_CLOCK_INFO_SIZE	MGMT_ADDR_INFO_SIZE
+struct mgmt_rp_get_clock_info {
+	struct mgmt_addr_info addr;
+	__le32  local_clock;
+	__le32  piconet_clock;
+	__le16  accuracy;
+} __packed;
+
+#define MGMT_OP_ADD_DEVICE		0x0033
+struct mgmt_cp_add_device {
+	struct mgmt_addr_info addr;
+	__u8	action;
+} __packed;
+#define MGMT_ADD_DEVICE_SIZE		(MGMT_ADDR_INFO_SIZE + 1)
+
+#define MGMT_OP_REMOVE_DEVICE		0x0034
+struct mgmt_cp_remove_device {
+	struct mgmt_addr_info addr;
+} __packed;
+#define MGMT_REMOVE_DEVICE_SIZE		MGMT_ADDR_INFO_SIZE
+
+struct mgmt_conn_param {
+	struct mgmt_addr_info addr;
+	__le16 min_interval;
+	__le16 max_interval;
+	__le16 latency;
+	__le16 timeout;
+} __packed;
+
+#define MGMT_OP_LOAD_CONN_PARAM		0x0035
+struct mgmt_cp_load_conn_param {
+	__le16 param_count;
+	struct mgmt_conn_param params[0];
+} __packed;
+#define MGMT_LOAD_CONN_PARAM_SIZE	2
+
+#define MGMT_OP_READ_UNCONF_INDEX_LIST	0x0036
+#define MGMT_READ_UNCONF_INDEX_LIST_SIZE 0
+struct mgmt_rp_read_unconf_index_list {
+	__le16	num_controllers;
+	__le16	index[0];
+} __packed;
+
+#define MGMT_OPTION_EXTERNAL_CONFIG	0x00000001
+#define MGMT_OPTION_PUBLIC_ADDRESS	0x00000002
+
+#define MGMT_OP_READ_CONFIG_INFO	0x0037
+#define MGMT_READ_CONFIG_INFO_SIZE	0
+struct mgmt_rp_read_config_info {
+	__le16	manufacturer;
+	__le32	supported_options;
+	__le32	missing_options;
+} __packed;
+
+#define MGMT_OP_SET_EXTERNAL_CONFIG	0x0038
+struct mgmt_cp_set_external_config {
+	__u8 config;
+} __packed;
+#define MGMT_SET_EXTERNAL_CONFIG_SIZE	1
+
+#define MGMT_OP_SET_PUBLIC_ADDRESS	0x0039
+struct mgmt_cp_set_public_address {
+	bdaddr_t bdaddr;
+} __packed;
+#define MGMT_SET_PUBLIC_ADDRESS_SIZE	6
+
 #define MGMT_EV_CMD_COMPLETE		0x0001
 struct mgmt_ev_cmd_complete {
 	__le16	opcode;
@@ -522,6 +593,7 @@ struct mgmt_ev_auth_failed {
 
 #define MGMT_DEV_FOUND_CONFIRM_NAME    0x01
 #define MGMT_DEV_FOUND_LEGACY_PAIRING  0x02
+#define MGMT_DEV_FOUND_NOT_CONNECTABLE 0x04
 
 #define MGMT_EV_DEVICE_FOUND		0x0012
 struct mgmt_ev_device_found {
@@ -578,3 +650,30 @@ struct mgmt_ev_new_csrk {
 	__u8 store_hint;
 	struct mgmt_csrk_info key;
 } __packed;
+
+#define MGMT_EV_DEVICE_ADDED		0x001a
+struct mgmt_ev_device_added {
+	struct mgmt_addr_info addr;
+	__u8 action;
+} __packed;
+
+#define MGMT_EV_DEVICE_REMOVED		0x001b
+struct mgmt_ev_device_removed {
+	struct mgmt_addr_info addr;
+} __packed;
+
+#define MGMT_EV_NEW_CONN_PARAM		0x001c
+struct mgmt_ev_new_conn_param {
+	struct mgmt_addr_info addr;
+	__u8 store_hint;
+	__le16 min_interval;
+	__le16 max_interval;
+	__le16 latency;
+	__le16 timeout;
+} __packed;
+
+#define MGMT_EV_UNCONF_INDEX_ADDED	0x001d
+
+#define MGMT_EV_UNCONF_INDEX_REMOVED	0x001e
+
+#define MGMT_EV_NEW_CONFIG_OPTIONS	0x001f

net/bluetooth/6lowpan.h

-/*
-   Copyright (c) 2013 Intel Corp.
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License version 2 and
-   only version 2 as published by the Free Software Foundation.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-*/
-
-#ifndef __6LOWPAN_H
-#define __6LOWPAN_H
-
-#include <linux/errno.h>
-#include <linux/skbuff.h>
-#include <net/bluetooth/l2cap.h>
-
-#if IS_ENABLED(CONFIG_BT_6LOWPAN)
-int bt_6lowpan_recv(struct l2cap_conn *conn, struct sk_buff *skb);
-int bt_6lowpan_add_conn(struct l2cap_conn *conn);
-int bt_6lowpan_del_conn(struct l2cap_conn *conn);
-int bt_6lowpan_init(void);
-void bt_6lowpan_cleanup(void);
-#else
-static int bt_6lowpan_recv(struct l2cap_conn *conn, struct sk_buff *skb)
-{
-	return -EOPNOTSUPP;
-}
-static int bt_6lowpan_add_conn(struct l2cap_conn *conn)
-{
-	return -EOPNOTSUPP;
-}
-int bt_6lowpan_del_conn(struct l2cap_conn *conn)
-{
-	return -EOPNOTSUPP;
-}
-static int bt_6lowpan_init(void)
-{
-	return -EOPNOTSUPP;
-}
-static void bt_6lowpan_cleanup(void) { }
-#endif
-
-#endif /* __6LOWPAN_H */

net/bluetooth/Kconfig

@@ -6,7 +6,6 @@ menuconfig BT
 	tristate "Bluetooth subsystem support"
 	depends on NET && !S390
 	depends on RFKILL || !RFKILL
-	select 6LOWPAN_IPHC if BT_6LOWPAN
 	select CRC16
 	select CRYPTO
 	select CRYPTO_BLKCIPHER
@@ -41,10 +40,11 @@ menuconfig BT
 	  more information, see <http://www.bluez.org/>.
 
 config BT_6LOWPAN
-	bool "Bluetooth 6LoWPAN support"
+	tristate "Bluetooth 6LoWPAN support"
 	depends on BT && IPV6
+	select 6LOWPAN_IPHC if BT_6LOWPAN
 	help
-	  IPv6 compression over Bluetooth.
+	  IPv6 compression over Bluetooth Low Energy.
 
 source "net/bluetooth/rfcomm/Kconfig"
 

net/bluetooth/Makefile

@@ -7,10 +7,12 @@ obj-$(CONFIG_BT_RFCOMM)	+= rfcomm/
 obj-$(CONFIG_BT_BNEP)	+= bnep/
 obj-$(CONFIG_BT_CMTP)	+= cmtp/
 obj-$(CONFIG_BT_HIDP)	+= hidp/
+obj-$(CONFIG_BT_6LOWPAN) += bluetooth_6lowpan.o
+
+bluetooth_6lowpan-y := 6lowpan.o
 
 bluetooth-y := af_bluetooth.o hci_core.o hci_conn.o hci_event.o mgmt.o \
 	hci_sock.o hci_sysfs.o l2cap_core.o l2cap_sock.o smp.o sco.o lib.o \
 	a2mp.o amp.o
-bluetooth-$(CONFIG_BT_6LOWPAN) += 6lowpan.o
 
 subdir-ccflags-y += -D__CHECK_ENDIAN__

net/bluetooth/a2mp.c

@@ -63,7 +63,7 @@ void a2mp_send(struct amp_mgr *mgr, u8 code, u8 ident, u16 len, void *data)
 	msg.msg_iov = (struct iovec *) &iv;
 	msg.msg_iovlen = 1;
 
-	l2cap_chan_send(chan, &msg, total_len, 0);
+	l2cap_chan_send(chan, &msg, total_len);
 
 	kfree(cmd);
 }
@@ -693,18 +693,19 @@ static void a2mp_chan_state_change_cb(struct l2cap_chan *chan, int state,
 }
 
 static struct sk_buff *a2mp_chan_alloc_skb_cb(struct l2cap_chan *chan,
+					      unsigned long hdr_len,
 					      unsigned long len, int nb)
 {
 	struct sk_buff *skb;
 
-	skb = bt_skb_alloc(len, GFP_KERNEL);
+	skb = bt_skb_alloc(hdr_len + len, GFP_KERNEL);
 	if (!skb)
 		return ERR_PTR(-ENOMEM);
 
 	return skb;
 }
 
-static struct l2cap_ops a2mp_chan_ops = {
+static const struct l2cap_ops a2mp_chan_ops = {
 	.name = "L2CAP A2MP channel",
 	.recv = a2mp_chan_recv_cb,
 	.close = a2mp_chan_close_cb,
@@ -719,6 +720,7 @@ static struct l2cap_ops a2mp_chan_ops = {
 	.resume = l2cap_chan_no_resume,
 	.set_shutdown = l2cap_chan_no_set_shutdown,
 	.get_sndtimeo = l2cap_chan_no_get_sndtimeo,
+	.memcpy_fromiovec = l2cap_chan_no_memcpy_fromiovec,
 };
 
 static struct l2cap_chan *a2mp_chan_open(struct l2cap_conn *conn, bool locked)

net/bluetooth/af_bluetooth.c

@@ -639,7 +639,7 @@ static int bt_seq_show(struct seq_file *seq, void *v)
 	return 0;
 }
 
-static struct seq_operations bt_seq_ops = {
+static const struct seq_operations bt_seq_ops = {
 	.start = bt_seq_start,
 	.next  = bt_seq_next,
 	.stop  = bt_seq_stop,

net/bluetooth/hci_conn.c

@@ -67,7 +67,7 @@ static void hci_acl_create_connection(struct hci_conn *conn)
 	conn->state = BT_CONNECT;
 	conn->out = true;
 
-	conn->link_mode = HCI_LM_MASTER;
+	set_bit(HCI_CONN_MASTER, &conn->flags);
 
 	conn->attempt++;
 
@@ -136,7 +136,7 @@ void hci_disconnect(struct hci_conn *conn, __u8 reason)
 	hci_send_cmd(conn->hdev, HCI_OP_DISCONNECT, sizeof(cp), &cp);
 }
 
-static void hci_amp_disconn(struct hci_conn *conn, __u8 reason)
+static void hci_amp_disconn(struct hci_conn *conn)
 {
 	struct hci_cp_disconn_phy_link cp;
 
@@ -145,7 +145,7 @@ static void hci_amp_disconn(struct hci_conn *conn, __u8 reason)
 	conn->state = BT_DISCONN;
 
 	cp.phy_handle = HCI_PHY_HANDLE(conn->handle);
-	cp.reason = reason;
+	cp.reason = hci_proto_disconn_ind(conn);
 	hci_send_cmd(conn->hdev, HCI_OP_DISCONN_PHY_LINK,
 		     sizeof(cp), &cp);
 }
@@ -213,14 +213,26 @@ bool hci_setup_sync(struct hci_conn *conn, __u16 handle)
 	return true;
 }
 
-void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max,
-			u16 latency, u16 to_multiplier)
+u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency,
+		      u16 to_multiplier)
 {
-	struct hci_cp_le_conn_update cp;
 	struct hci_dev *hdev = conn->hdev;
+	struct hci_conn_params *params;
+	struct hci_cp_le_conn_update cp;
 
-	memset(&cp, 0, sizeof(cp));
+	hci_dev_lock(hdev);
 
+	params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
+	if (params) {
+		params->conn_min_interval = min;
+		params->conn_max_interval = max;
+		params->conn_latency = latency;
+		params->supervision_timeout = to_multiplier;
+	}
+
+	hci_dev_unlock(hdev);
+
+	memset(&cp, 0, sizeof(cp));
 	cp.handle		= cpu_to_le16(conn->handle);
 	cp.conn_interval_min	= cpu_to_le16(min);
 	cp.conn_interval_max	= cpu_to_le16(max);
@@ -230,6 +242,11 @@ void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max,
 	cp.max_ce_len		= cpu_to_le16(0x0000);
 
 	hci_send_cmd(hdev, HCI_OP_LE_CONN_UPDATE, sizeof(cp), &cp);
+
+	if (params)
+		return 0x01;
+
+	return 0x00;
 }
 
 void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand,
@@ -271,20 +288,6 @@ void hci_sco_setup(struct hci_conn *conn, __u8 status)
 	}
 }
 
-static void hci_conn_disconnect(struct hci_conn *conn)
-{
-	__u8 reason = hci_proto_disconn_ind(conn);
-
-	switch (conn->type) {
-	case AMP_LINK:
-		hci_amp_disconn(conn, reason);
-		break;
-	default:
-		hci_disconnect(conn, reason);
-		break;
-	}
-}
-
 static void hci_conn_timeout(struct work_struct *work)
 {
 	struct hci_conn *conn = container_of(work, struct hci_conn,
@@ -319,7 +322,31 @@ static void hci_conn_timeout(struct work_struct *work)
 		break;
 	case BT_CONFIG:
 	case BT_CONNECTED:
-		hci_conn_disconnect(conn);
+		if (conn->type == AMP_LINK) {
+			hci_amp_disconn(conn);
+		} else {
+			__u8 reason = hci_proto_disconn_ind(conn);
+
+			/* When we are master of an established connection
+			 * and it enters the disconnect timeout, then go
+			 * ahead and try to read the current clock offset.
+			 *
+			 * Processing of the result is done within the
+			 * event handling and hci_clock_offset_evt function.
+			 */
+			if (conn->type == ACL_LINK &&
+			    test_bit(HCI_CONN_MASTER, &conn->flags)) {
+				struct hci_dev *hdev = conn->hdev;
+				struct hci_cp_read_clock_offset cp;
+
+				cp.handle = cpu_to_le16(conn->handle);
+
+				hci_send_cmd(hdev, HCI_OP_READ_CLOCK_OFFSET,
+					     sizeof(cp), &cp);
+			}
+
+			hci_disconnect(conn, reason);
+		}
 		break;
 	default:
 		conn->state = BT_CLOSED;
@@ -336,9 +363,6 @@ static void hci_conn_idle(struct work_struct *work)
 
 	BT_DBG("hcon %p mode %d", conn, conn->mode);
 
-	if (test_bit(HCI_RAW, &hdev->flags))
-		return;
-
 	if (!lmp_sniff_capable(hdev) || !lmp_sniff_capable(conn))
 		return;
 
@@ -529,7 +553,6 @@ struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src)
 
 	list_for_each_entry(d, &hci_dev_list, list) {
 		if (!test_bit(HCI_UP, &d->flags) ||
-		    test_bit(HCI_RAW, &d->flags) ||
 		    test_bit(HCI_USER_CHANNEL, &d->dev_flags) ||
 		    d->dev_type != HCI_BREDR)
 			continue;
@@ -627,7 +650,8 @@ static void hci_req_add_le_create_conn(struct hci_request *req,
 	cp.own_address_type = own_addr_type;
 	cp.conn_interval_min = cpu_to_le16(conn->le_conn_min_interval);
 	cp.conn_interval_max = cpu_to_le16(conn->le_conn_max_interval);
-	cp.supervision_timeout = cpu_to_le16(0x002a);
+	cp.conn_latency = cpu_to_le16(conn->le_conn_latency);
+	cp.supervision_timeout = cpu_to_le16(conn->le_supv_timeout);
 	cp.min_ce_len = cpu_to_le16(0x0000);
 	cp.max_ce_len = cpu_to_le16(0x0000);
 
@@ -644,15 +668,12 @@ static void hci_req_directed_advertising(struct hci_request *req,
 	u8 own_addr_type;
 	u8 enable;
 
-	enable = 0x00;
-	hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
-
-	/* Clear the HCI_ADVERTISING bit temporarily so that the
+	/* Clear the HCI_LE_ADV bit temporarily so that the
 	 * hci_update_random_address knows that it's safe to go ahead
 	 * and write a new random address. The flag will be set back on
 	 * as soon as the SET_ADV_ENABLE HCI command completes.
 	 */
-	clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
+	clear_bit(HCI_LE_ADV, &hdev->dev_flags);
 
 	/* Set require_privacy to false so that the remote device has a
 	 * chance of identifying us.
@@ -676,7 +697,8 @@ static void hci_req_directed_advertising(struct hci_request *req,
 }
 
 struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
-				u8 dst_type, u8 sec_level, u8 auth_type)
+				u8 dst_type, u8 sec_level, u16 conn_timeout,
+				bool master)
 {
 	struct hci_conn_params *params;
 	struct hci_conn *conn;
@@ -696,7 +718,6 @@ struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
 	conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, dst);
 	if (conn) {
 		conn->pending_sec_level = sec_level;
-		conn->auth_type = auth_type;
 		goto done;
 	}
 
@@ -733,25 +754,52 @@ struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
 	conn->dst_type = dst_type;
 	conn->sec_level = BT_SECURITY_LOW;
 	conn->pending_sec_level = sec_level;
-	conn->auth_type = auth_type;
+	conn->conn_timeout = conn_timeout;
 
 	hci_req_init(&req, hdev);
 
-	if (test_bit(HCI_ADVERTISING, &hdev->dev_flags)) {
+	/* Disable advertising if we're active. For master role
+	 * connections most controllers will refuse to connect if
+	 * advertising is enabled, and for slave role connections we
+	 * anyway have to disable it in order to start directed
+	 * advertising.
+	 */
+	if (test_bit(HCI_LE_ADV, &hdev->dev_flags)) {
+		u8 enable = 0x00;
+		hci_req_add(&req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable),
+			    &enable);
+	}
+
+	/* If requested to connect as slave use directed advertising */
+	if (!master) {
+		/* If we're active scanning most controllers are unable
+		 * to initiate advertising. Simply reject the attempt.
+		 */
+		if (test_bit(HCI_LE_SCAN, &hdev->dev_flags) &&
+		    hdev->le_scan_type == LE_SCAN_ACTIVE) {
+			skb_queue_purge(&req.cmd_q);
+			hci_conn_del(conn);
+			return ERR_PTR(-EBUSY);
+		}
+
 		hci_req_directed_advertising(&req, conn);
 		goto create_conn;
 	}
 
 	conn->out = true;
-	conn->link_mode |= HCI_LM_MASTER;
+	set_bit(HCI_CONN_MASTER, &conn->flags);
 
 	params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
 	if (params) {
 		conn->le_conn_min_interval = params->conn_min_interval;
 		conn->le_conn_max_interval = params->conn_max_interval;
+		conn->le_conn_latency = params->conn_latency;
+		conn->le_supv_timeout = params->supervision_timeout;
 	} else {
 		conn->le_conn_min_interval = hdev->le_conn_min_interval;
 		conn->le_conn_max_interval = hdev->le_conn_max_interval;
+		conn->le_conn_latency = hdev->le_conn_latency;
+		conn->le_supv_timeout = hdev->le_supv_timeout;
 	}
 
 	/* If controller is scanning, we stop it since some controllers are
@@ -865,7 +913,8 @@ int hci_conn_check_link_mode(struct hci_conn *conn)
 			return 0;
 	}
 
-	if (hci_conn_ssp_enabled(conn) && !(conn->link_mode & HCI_LM_ENCRYPT))
+	if (hci_conn_ssp_enabled(conn) &&
+	    !test_bit(HCI_CONN_ENCRYPT, &conn->flags))
 		return 0;
 
 	return 1;
@@ -881,7 +930,7 @@ static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
 
 	if (sec_level > conn->sec_level)
 		conn->pending_sec_level = sec_level;
-	else if (conn->link_mode & HCI_LM_AUTH)
+	else if (test_bit(HCI_CONN_AUTH, &conn->flags))
 		return 1;
 
 	/* Make sure we preserve an existing MITM requirement*/
@@ -899,7 +948,7 @@ static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
 		/* If we're already encrypted set the REAUTH_PEND flag,
 		 * otherwise set the ENCRYPT_PEND.
 		 */
-		if (conn->link_mode & HCI_LM_ENCRYPT)
+		if (test_bit(HCI_CONN_ENCRYPT, &conn->flags))
 			set_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
 		else
 			set_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
@@ -940,7 +989,7 @@ int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
 		return 1;
 
 	/* For other security levels we need the link key. */
-	if (!(conn->link_mode & HCI_LM_AUTH))
+	if (!test_bit(HCI_CONN_AUTH, &conn->flags))
 		goto auth;
 
 	/* An authenticated FIPS approved combination key has sufficient
@@ -980,7 +1029,7 @@ int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
 		return 0;
 
 encrypt:
-	if (conn->link_mode & HCI_LM_ENCRYPT)
+	if (test_bit(HCI_CONN_ENCRYPT, &conn->flags))
 		return 1;
 
 	hci_conn_encrypt(conn);
@@ -1027,7 +1076,7 @@ int hci_conn_switch_role(struct hci_conn *conn, __u8 role)
 {
 	BT_DBG("hcon %p", conn);
 
-	if (!role && conn->link_mode & HCI_LM_MASTER)
+	if (!role && test_bit(HCI_CONN_MASTER, &conn->flags))
 		return 1;
 
 	if (!test_and_set_bit(HCI_CONN_RSWITCH_PEND, &conn->flags)) {
@@ -1048,9 +1097,6 @@ void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active)
 
 	BT_DBG("hcon %p mode %d", conn, conn->mode);
 
-	if (test_bit(HCI_RAW, &hdev->flags))
-		return;
-
 	if (conn->mode != HCI_CM_SNIFF)
 		goto timer;
 
@@ -1101,6 +1147,28 @@ void hci_conn_check_pending(struct hci_dev *hdev)
 	hci_dev_unlock(hdev);
 }
 
+static u32 get_link_mode(struct hci_conn *conn)
+{
+	u32 link_mode = 0;
+
+	if (test_bit(HCI_CONN_MASTER, &conn->flags))
+		link_mode |= HCI_LM_MASTER;
+
+	if (test_bit(HCI_CONN_ENCRYPT, &conn->flags))
+		link_mode |= HCI_LM_ENCRYPT;
+
+	if (test_bit(HCI_CONN_AUTH, &conn->flags))
+		link_mode |= HCI_LM_AUTH;
+
+	if (test_bit(HCI_CONN_SECURE, &conn->flags))
+		link_mode |= HCI_LM_SECURE;
+
+	if (test_bit(HCI_CONN_FIPS, &conn->flags))
+		link_mode |= HCI_LM_FIPS;
+
+	return link_mode;
+}
+
 int hci_get_conn_list(void __user *arg)
 {
 	struct hci_conn *c;
@@ -1136,7 +1204,7 @@ int hci_get_conn_list(void __user *arg)
 		(ci + n)->type  = c->type;
 		(ci + n)->out   = c->out;
 		(ci + n)->state = c->state;
-		(ci + n)->link_mode = c->link_mode;
+		(ci + n)->link_mode = get_link_mode(c);
 		if (++n >= req.conn_num)
 			break;
 	}
@@ -1172,7 +1240,7 @@ int hci_get_conn_info(struct hci_dev *hdev, void __user *arg)
 		ci.type  = conn->type;
 		ci.out   = conn->out;
 		ci.state = conn->state;
-		ci.link_mode = conn->link_mode;
+		ci.link_mode = get_link_mode(conn);
 	}
 	hci_dev_unlock(hdev);
 

net/bluetooth/hci_sock.c

@@ -481,7 +481,7 @@ static int hci_sock_blacklist_add(struct hci_dev *hdev, void __user *arg)
 
 	hci_dev_lock(hdev);
 
-	err = hci_blacklist_add(hdev, &bdaddr, BDADDR_BREDR);
+	err = hci_bdaddr_list_add(&hdev->blacklist, &bdaddr, BDADDR_BREDR);
 
 	hci_dev_unlock(hdev);
 
@@ -498,7 +498,7 @@ static int hci_sock_blacklist_del(struct hci_dev *hdev, void __user *arg)
 
 	hci_dev_lock(hdev);
 
-	err = hci_blacklist_del(hdev, &bdaddr, BDADDR_BREDR);
+	err = hci_bdaddr_list_del(&hdev->blacklist, &bdaddr, BDADDR_BREDR);
 
 	hci_dev_unlock(hdev);
 
@@ -517,6 +517,9 @@ static int hci_sock_bound_ioctl(struct sock *sk, unsigned int cmd,
 	if (test_bit(HCI_USER_CHANNEL, &hdev->dev_flags))
 		return -EBUSY;
 
+	if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
+		return -EOPNOTSUPP;
+
 	if (hdev->dev_type != HCI_BREDR)
 		return -EOPNOTSUPP;
 
@@ -690,7 +693,8 @@ static int hci_sock_bind(struct socket *sock, struct sockaddr *addr,
 
 		if (test_bit(HCI_UP, &hdev->flags) ||
 		    test_bit(HCI_INIT, &hdev->flags) ||
-		    test_bit(HCI_SETUP, &hdev->dev_flags)) {
+		    test_bit(HCI_SETUP, &hdev->dev_flags) ||
+		    test_bit(HCI_CONFIG, &hdev->dev_flags)) {
 			err = -EBUSY;
 			hci_dev_put(hdev);
 			goto done;
@@ -960,7 +964,7 @@ static int hci_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
 			goto drop;
 		}
 
-		if (test_bit(HCI_RAW, &hdev->flags) || (ogf == 0x3f)) {
+		if (ogf == 0x3f) {
 			skb_queue_tail(&hdev->raw_q, skb);
 			queue_work(hdev->workqueue, &hdev->tx_work);
 		} else {

net/bluetooth/l2cap_core.c

@@ -40,7 +40,6 @@
 #include "smp.h"
 #include "a2mp.h"
 #include "amp.h"
-#include "6lowpan.h"
 
 #define LE_FLOWCTL_MAX_CREDITS 65535
 
@@ -205,6 +204,7 @@ int l2cap_add_psm(struct l2cap_chan *chan, bdaddr_t *src, __le16 psm)
 	write_unlock(&chan_list_lock);
 	return err;
 }
+EXPORT_SYMBOL_GPL(l2cap_add_psm);
 
 int l2cap_add_scid(struct l2cap_chan *chan,  __u16 scid)
 {
@@ -437,6 +437,7 @@ struct l2cap_chan *l2cap_chan_create(void)
 
 	return chan;
 }
+EXPORT_SYMBOL_GPL(l2cap_chan_create);
 
 static void l2cap_chan_destroy(struct kref *kref)
 {
@@ -464,6 +465,7 @@ void l2cap_chan_put(struct l2cap_chan *c)
 
 	kref_put(&c->kref, l2cap_chan_destroy);
 }
+EXPORT_SYMBOL_GPL(l2cap_chan_put);
 
 void l2cap_chan_set_defaults(struct l2cap_chan *chan)
 {
@@ -482,6 +484,7 @@ void l2cap_chan_set_defaults(struct l2cap_chan *chan)
 
 	set_bit(FLAG_FORCE_ACTIVE, &chan->flags);
 }
+EXPORT_SYMBOL_GPL(l2cap_chan_set_defaults);
 
 static void l2cap_le_flowctl_init(struct l2cap_chan *chan)
 {
@@ -614,6 +617,7 @@ void l2cap_chan_del(struct l2cap_chan *chan, int err)
 
 	return;
 }
+EXPORT_SYMBOL_GPL(l2cap_chan_del);
 
 void l2cap_conn_update_id_addr(struct hci_conn *hcon)
 {
@@ -717,6 +721,7 @@ void l2cap_chan_close(struct l2cap_chan *chan, int reason)
 		break;
 	}
 }
+EXPORT_SYMBOL(l2cap_chan_close);
 
 static inline u8 l2cap_get_auth_type(struct l2cap_chan *chan)
 {
@@ -1455,13 +1460,12 @@ static struct l2cap_chan *l2cap_global_chan_by_scid(int state, u16 cid,
 static void l2cap_le_conn_ready(struct l2cap_conn *conn)
 {
 	struct hci_conn *hcon = conn->hcon;
+	struct hci_dev *hdev = hcon->hdev;
 	struct l2cap_chan *chan, *pchan;
 	u8 dst_type;
 
 	BT_DBG("");
 
-	bt_6lowpan_add_conn(conn);
-
 	/* Check if we have socket listening on cid */
 	pchan = l2cap_global_chan_by_scid(BT_LISTEN, L2CAP_CID_ATT,
 					  &hcon->src, &hcon->dst);
@@ -1475,9 +1479,28 @@ static void l2cap_le_conn_ready(struct l2cap_conn *conn)
 	dst_type = bdaddr_type(hcon, hcon->dst_type);
 
 	/* If device is blocked, do not create a channel for it */
-	if (hci_blacklist_lookup(hcon->hdev, &hcon->dst, dst_type))
+	if (hci_bdaddr_list_lookup(&hdev->blacklist, &hcon->dst, dst_type))
 		return;
 
+	/* For LE slave connections, make sure the connection interval
+	 * is in the range of the minium and maximum interval that has
+	 * been configured for this connection. If not, then trigger
+	 * the connection update procedure.
+	 */
+	if (!test_bit(HCI_CONN_MASTER, &hcon->flags) &&
+	    (hcon->le_conn_interval < hcon->le_conn_min_interval ||
+	     hcon->le_conn_interval > hcon->le_conn_max_interval)) {
+		struct l2cap_conn_param_update_req req;
+
+		req.min = cpu_to_le16(hcon->le_conn_min_interval);
+		req.max = cpu_to_le16(hcon->le_conn_max_interval);
+		req.latency = cpu_to_le16(hcon->le_conn_latency);
+		req.to_multiplier = cpu_to_le16(hcon->le_supv_timeout);
+
+		l2cap_send_cmd(conn, l2cap_get_ident(conn),
+			       L2CAP_CONN_PARAM_UPDATE_REQ, sizeof(req), &req);
+	}
+
 	l2cap_chan_lock(pchan);
 
 	chan = pchan->ops->new_connection(pchan);
@@ -2118,7 +2141,8 @@ static inline int l2cap_skbuff_fromiovec(struct l2cap_chan *chan,
 	struct sk_buff **frag;
 	int sent = 0;
 
-	if (memcpy_fromiovec(skb_put(skb, count), msg->msg_iov, count))
+	if (chan->ops->memcpy_fromiovec(chan, skb_put(skb, count),
+					msg->msg_iov, count))
 		return -EFAULT;
 
 	sent += count;
@@ -2131,18 +2155,17 @@ static inline int l2cap_skbuff_fromiovec(struct l2cap_chan *chan,
 
 		count = min_t(unsigned int, conn->mtu, len);
 
-		tmp = chan->ops->alloc_skb(chan, count,
+		tmp = chan->ops->alloc_skb(chan, 0, count,
 					   msg->msg_flags & MSG_DONTWAIT);
 		if (IS_ERR(tmp))
 			return PTR_ERR(tmp);
 
 		*frag = tmp;
 
-		if (memcpy_fromiovec(skb_put(*frag, count), msg->msg_iov, count))
+		if (chan->ops->memcpy_fromiovec(chan, skb_put(*frag, count),
+						msg->msg_iov, count))
 			return -EFAULT;
 
-		(*frag)->priority = skb->priority;
-
 		sent += count;
 		len  -= count;
 
@@ -2156,26 +2179,23 @@ static inline int l2cap_skbuff_fromiovec(struct l2cap_chan *chan,
 }
 
 static struct sk_buff *l2cap_create_connless_pdu(struct l2cap_chan *chan,
-						 struct msghdr *msg, size_t len,
-						 u32 priority)
+						 struct msghdr *msg, size_t len)
 {
 	struct l2cap_conn *conn = chan->conn;
 	struct sk_buff *skb;
 	int err, count, hlen = L2CAP_HDR_SIZE + L2CAP_PSMLEN_SIZE;
 	struct l2cap_hdr *lh;
 
-	BT_DBG("chan %p psm 0x%2.2x len %zu priority %u", chan,
-	       __le16_to_cpu(chan->psm), len, priority);
+	BT_DBG("chan %p psm 0x%2.2x len %zu", chan,
+	       __le16_to_cpu(chan->psm), len);
 
 	count = min_t(unsigned int, (conn->mtu - hlen), len);
 
-	skb = chan->ops->alloc_skb(chan, count + hlen,
+	skb = chan->ops->alloc_skb(chan, hlen, count,
 				   msg->msg_flags & MSG_DONTWAIT);
 	if (IS_ERR(skb))
 		return skb;
 
-	skb->priority = priority;
-
 	/* Create L2CAP header */
 	lh = (struct l2cap_hdr *) skb_put(skb, L2CAP_HDR_SIZE);
 	lh->cid = cpu_to_le16(chan->dcid);
@@ -2191,8 +2211,7 @@ static struct sk_buff *l2cap_create_connless_pdu(struct l2cap_chan *chan,
 }
 
 static struct sk_buff *l2cap_create_basic_pdu(struct l2cap_chan *chan,
-					      struct msghdr *msg, size_t len,
-					      u32 priority)
+					      struct msghdr *msg, size_t len)
 {
 	struct l2cap_conn *conn = chan->conn;
 	struct sk_buff *skb;
@@ -2203,13 +2222,11 @@ static struct sk_buff *l2cap_create_basic_pdu(struct l2cap_chan *chan,
 
 	count = min_t(unsigned int, (conn->mtu - L2CAP_HDR_SIZE), len);
 
-	skb = chan->ops->alloc_skb(chan, count + L2CAP_HDR_SIZE,
+	skb = chan->ops->alloc_skb(chan, L2CAP_HDR_SIZE, count,
 				   msg->msg_flags & MSG_DONTWAIT);
 	if (IS_ERR(skb))
 		return skb;
 
-	skb->priority = priority;
-
 	/* Create L2CAP header */
 	lh = (struct l2cap_hdr *) skb_put(skb, L2CAP_HDR_SIZE);
 	lh->cid = cpu_to_le16(chan->dcid);
@@ -2247,7 +2264,7 @@ static struct sk_buff *l2cap_create_iframe_pdu(struct l2cap_chan *chan,
 
 	count = min_t(unsigned int, (conn->mtu - hlen), len);
 
-	skb = chan->ops->alloc_skb(chan, count + hlen,
+	skb = chan->ops->alloc_skb(chan, hlen, count,
 				   msg->msg_flags & MSG_DONTWAIT);
 	if (IS_ERR(skb))
 		return skb;
@@ -2368,7 +2385,7 @@ static struct sk_buff *l2cap_create_le_flowctl_pdu(struct l2cap_chan *chan,
 
 	count = min_t(unsigned int, (conn->mtu - hlen), len);
 
-	skb = chan->ops->alloc_skb(chan, count + hlen,
+	skb = chan->ops->alloc_skb(chan, hlen, count,
 				   msg->msg_flags & MSG_DONTWAIT);
 	if (IS_ERR(skb))
 		return skb;
@@ -2430,8 +2447,7 @@ static int l2cap_segment_le_sdu(struct l2cap_chan *chan,
 	return 0;
 }
 
-int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len,
-		    u32 priority)
+int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len)
 {
 	struct sk_buff *skb;
 	int err;
@@ -2442,7 +2458,7 @@ int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len,
 
 	/* Connectionless channel */
 	if (chan->chan_type == L2CAP_CHAN_CONN_LESS) {
-		skb = l2cap_create_connless_pdu(chan, msg, len, priority);
+		skb = l2cap_create_connless_pdu(chan, msg, len);
 		if (IS_ERR(skb))
 			return PTR_ERR(skb);
 
@@ -2499,7 +2515,7 @@ int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len,
 			return -EMSGSIZE;
 
 		/* Create a basic PDU */
-		skb = l2cap_create_basic_pdu(chan, msg, len, priority);
+		skb = l2cap_create_basic_pdu(chan, msg, len);
 		if (IS_ERR(skb))
 			return PTR_ERR(skb);
 
@@ -2562,6 +2578,7 @@ int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len,
 
 	return err;
 }
+EXPORT_SYMBOL_GPL(l2cap_chan_send);
 
 static void l2cap_send_srej(struct l2cap_chan *chan, u16 txseq)
 {
@@ -3217,6 +3234,9 @@ static int l2cap_build_conf_req(struct l2cap_chan *chan, void *data)
 
 	switch (chan->mode) {
 	case L2CAP_MODE_BASIC:
+		if (disable_ertm)
+			break;
+
 		if (!(chan->conn->feat_mask & L2CAP_FEAT_ERTM) &&
 		    !(chan->conn->feat_mask & L2CAP_FEAT_STREAMING))
 			break;
@@ -5197,27 +5217,6 @@ static inline int l2cap_move_channel_confirm_rsp(struct l2cap_conn *conn,
 	return 0;
 }
 
-static inline int l2cap_check_conn_param(u16 min, u16 max, u16 latency,
-					 u16 to_multiplier)
-{
-	u16 max_latency;
-
-	if (min > max || min < 6 || max > 3200)
-		return -EINVAL;
-
-	if (to_multiplier < 10 || to_multiplier > 3200)
-		return -EINVAL;
-
-	if (max >= to_multiplier * 8)
-		return -EINVAL;
-
-	max_latency = (to_multiplier * 8 / max) - 1;
-	if (latency > 499 || latency > max_latency)
-		return -EINVAL;
-
-	return 0;
-}
-
 static inline int l2cap_conn_param_update_req(struct l2cap_conn *conn,
 					      struct l2cap_cmd_hdr *cmd,
 					      u16 cmd_len, u8 *data)
@@ -5228,7 +5227,7 @@ static inline int l2cap_conn_param_update_req(struct l2cap_conn *conn,
 	u16 min, max, latency, to_multiplier;
 	int err;
 
-	if (!(hcon->link_mode & HCI_LM_MASTER))
+	if (!test_bit(HCI_CONN_MASTER, &hcon->flags))
 		return -EINVAL;
 
 	if (cmd_len != sizeof(struct l2cap_conn_param_update_req))
@@ -5245,7 +5244,7 @@ static inline int l2cap_conn_param_update_req(struct l2cap_conn *conn,
 
 	memset(&rsp, 0, sizeof(rsp));
 
-	err = l2cap_check_conn_param(min, max, latency, to_multiplier);
+	err = hci_check_conn_params(min, max, latency, to_multiplier);
 	if (err)
 		rsp.result = cpu_to_le16(L2CAP_CONN_PARAM_REJECTED);
 	else
@@ -5254,8 +5253,16 @@ static inline int l2cap_conn_param_update_req(struct l2cap_conn *conn,
 	l2cap_send_cmd(conn, cmd->ident, L2CAP_CONN_PARAM_UPDATE_RSP,
 		       sizeof(rsp), &rsp);
 
-	if (!err)
-		hci_le_conn_update(hcon, min, max, latency, to_multiplier);
+	if (!err) {
+		u8 store_hint;
+
+		store_hint = hci_le_conn_update(hcon, min, max, latency,
+						to_multiplier);
+		mgmt_new_conn_param(hcon->hdev, &hcon->dst, hcon->dst_type,
+				    store_hint, min, max, latency,
+				    to_multiplier);
+
+	}
 
 	return 0;
 }
@@ -6879,9 +6886,6 @@ static void l2cap_att_channel(struct l2cap_conn *conn,
 
 	BT_DBG("chan %p, len %d", chan, skb->len);
 
-	if (hci_blacklist_lookup(hcon->hdev, &hcon->dst, hcon->dst_type))
-		goto drop;
-
 	if (chan->imtu < skb->len)
 		goto drop;
 
@@ -6914,6 +6918,16 @@ static void l2cap_recv_frame(struct l2cap_conn *conn, struct sk_buff *skb)
 		return;
 	}
 
+	/* Since we can't actively block incoming LE connections we must
+	 * at least ensure that we ignore incoming data from them.
+	 */
+	if (hcon->type == LE_LINK &&
+	    hci_bdaddr_list_lookup(&hcon->hdev->blacklist, &hcon->dst,
+				   bdaddr_type(hcon, hcon->dst_type))) {
+		kfree_skb(skb);
+		return;
+	}
+
 	BT_DBG("len %d, cid 0x%4.4x", len, cid);
 
 	switch (cid) {
@@ -6940,10 +6954,6 @@ static void l2cap_recv_frame(struct l2cap_conn *conn, struct sk_buff *skb)
 			l2cap_conn_del(conn->hcon, EACCES);
 		break;
 
-	case L2CAP_FC_6LOWPAN:
-		bt_6lowpan_recv(conn, skb);
-		break;
-
 	default:
 		l2cap_data_channel(conn, cid, skb);
 		break;
@@ -7042,7 +7052,6 @@ int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid,
 	struct l2cap_conn *conn;
 	struct hci_conn *hcon;
 	struct hci_dev *hdev;
-	__u8 auth_type;
 	int err;
 
 	BT_DBG("%pMR -> %pMR (type %u) psm 0x%2.2x", &chan->src, dst,
@@ -7118,9 +7127,9 @@ int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid,
 	chan->psm = psm;
 	chan->dcid = cid;
 
-	auth_type = l2cap_get_auth_type(chan);
-
 	if (bdaddr_type_is_le(dst_type)) {
+		bool master;
+
 		/* Convert from L2CAP channel address type to HCI address type
 		 */
 		if (dst_type == BDADDR_LE_PUBLIC)
@@ -7128,9 +7137,12 @@ int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid,
 		else
 			dst_type = ADDR_LE_DEV_RANDOM;
 
+		master = !test_bit(HCI_ADVERTISING, &hdev->dev_flags);
+
 		hcon = hci_connect_le(hdev, dst, dst_type, chan->sec_level,
-				      auth_type);
+				      HCI_LE_CONN_TIMEOUT, master);
 	} else {
+		u8 auth_type = l2cap_get_auth_type(chan);
 		hcon = hci_connect_acl(hdev, dst, chan->sec_level, auth_type);
 	}
 
@@ -7190,6 +7202,7 @@ int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid,
 	hci_dev_put(hdev);
 	return err;
 }
+EXPORT_SYMBOL_GPL(l2cap_chan_connect);
 
 /* ---- L2CAP interface with lower layer (HCI) ---- */
 
@@ -7252,8 +7265,6 @@ void l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason)
 {
 	BT_DBG("hcon %p reason %d", hcon, reason);
 
-	bt_6lowpan_del_conn(hcon->l2cap_data);
-
 	l2cap_conn_del(hcon, bt_to_errno(reason));
 }
 
@@ -7536,14 +7547,11 @@ int __init l2cap_init(void)
 	debugfs_create_u16("l2cap_le_default_mps", 0644, bt_debugfs,
 			   &le_default_mps);
 
-	bt_6lowpan_init();
-
 	return 0;
 }
 
 void l2cap_exit(void)
 {
-	bt_6lowpan_cleanup();
 	debugfs_remove(l2cap_debugfs);
 	l2cap_cleanup_sockets();
 }

net/bluetooth/smp.h

@@ -116,6 +116,13 @@ struct smp_cmd_security_req {
 #define SMP_MIN_ENC_KEY_SIZE		7
 #define SMP_MAX_ENC_KEY_SIZE		16
 
+/* LTK types used in internal storage (struct smp_ltk) */
+enum {
+	SMP_STK,
+	SMP_LTK,
+	SMP_LTK_SLAVE,
+};
+
 /* SMP Commands */
 bool smp_sufficient_security(struct hci_conn *hcon, u8 sec_level);
 int smp_conn_security(struct hci_conn *hcon, __u8 sec_level);