Update libjaylink.

Change-Id: I9b8d7a5b9356c962d625e541f917c5dd74f47a98

src/jtag/drivers/libjaylink/configure.ac

@@ -50,7 +50,7 @@ PKG_PROG_PKG_CONFIG
 # Checks for libraries.
 
 # Check for libusb-1.0 which is always needed.
-PKG_CHECK_MODULES([libusb], [libusb-1.0 >= 1.0.9],
+PKG_CHECK_MODULES([libusb], [libusb-1.0 >= 1.0.16],
 	[HAVE_LIBUSB=yes], [HAVE_LIBUSB=no])
 
 AS_IF([test "x$HAVE_LIBUSB" = "xyes"],

src/jtag/drivers/libjaylink/libjaylink/device.c

@@ -68,6 +68,9 @@
 #define REG_MAX_SIZE		0x200
 /** Size of a connection entry in bytes. */
 #define REG_CONN_INFO_SIZE	16
+
+/* The maximum path depth according to the USB 3.0 specification. */
+#define MAX_USB_PATH_DEPTH	7
 /** @endcond */
 
 /** @private */
@@ -285,6 +288,64 @@ JAYLINK_API int jaylink_device_get_usb_address(
 #endif
 }
 
+/**
+ * Get the USB bus and port numbers of a device.
+ *
+ * @param[in] dev Device instance.
+ * @param[out] bus The bus number of the device on success and undefined on
+ *                 failure.
+ * @param[out] ports Newly allocated array which contains the port numbers on
+ *                   success and is undefined on failure. The array must be
+ *                   free'd by the caller.
+ * @param[out] length Length of the port array on success and undefined on
+ *                    failure.
+ *
+ * @retval JAYLINK_OK Success.
+ * @retval JAYLINK_ERR_ARG Invalid arguments.
+ * @retval JAYLINK_ERR_MALLOC Memory allocation error.
+ * @retval JAYLINK_ERR_NOT_SUPPORTED Supported for devices with host interface
+ *                                   #JAYLINK_HIF_USB only.
+ *
+ * @since 0.2.0
+ */
+JAYLINK_API int jaylink_device_get_usb_bus_ports(
+		const struct jaylink_device *dev, uint8_t *bus,
+		uint8_t **ports, size_t *length)
+{
+	if (!dev || !bus || !ports || !length)
+		return JAYLINK_ERR_ARG;
+
+	if (dev->iface != JAYLINK_HIF_USB)
+		return JAYLINK_ERR_NOT_SUPPORTED;
+
+#ifdef HAVE_LIBUSB
+	struct jaylink_context *ctx = dev->ctx;
+	int ret;
+
+	*ports = malloc(MAX_USB_PATH_DEPTH * sizeof(uint8_t));
+
+	if (!*ports) {
+		return JAYLINK_ERR_MALLOC;
+	}
+
+	ret = libusb_get_port_numbers(dev->usb_dev, *ports,
+		MAX_USB_PATH_DEPTH);
+
+	if (ret == LIBUSB_ERROR_OVERFLOW) {
+		log_err(ctx, "Failed to get port numbers: %s.",
+			libusb_error_name(ret));
+		return JAYLINK_ERR_ARG;
+	}
+
+	*length = ret;
+	*bus = libusb_get_bus_number(dev->usb_dev);
+
+	return JAYLINK_OK;
+#else
+	return JAYLINK_ERR_NOT_SUPPORTED;
+#endif
+}
+
 /**
  * Get the IPv4 address string of a device.
  *

src/jtag/drivers/libjaylink/libjaylink/libjaylink.h

@@ -169,7 +169,38 @@ enum jaylink_hardware_info {
 	/** Current consumption of the target in mA. */
 	JAYLINK_HW_INFO_ITARGET = (1 << 2),
 	/** Peak current consumption of the target in mA. */
-	JAYLINK_HW_INFO_ITARGET_PEAK = (1 << 3)
+	JAYLINK_HW_INFO_ITARGET_PEAK = (1 << 3),
+	/**
+	 * Device's IPv4 address in network byte order.
+	 *
+	 * If the address is 0.0.0.0 and DHCP is enabled, no address is
+         * assigned (yet).
+	 *
+	 * @note The value is valid only if the device is configured in DHCP
+	 *       mode.
+	 */
+	JAYLINK_HW_INFO_IPV4_ADDRESS = (1 << 16),
+	/**
+	 * IPv4 netmask in network byte order.
+	 *
+	 * @note The value is valid only if the device is configured in DHCP
+	 *       mode.
+	 */
+	JAYLINK_HW_INFO_IPV4_NETMASK = (1 << 17),
+	/**
+	 * Gateway IPv4 address in network byte order.
+	 *
+	 * @note The value is valid only if the device is configured in DHCP
+	 *       mode.
+	 */
+	JAYLINK_HW_INFO_IPV4_GATEWAY = (1 << 18),
+	/**
+	 * DNS server IPv4 address in network byte order.
+	 *
+	 * @note The value is valid only if the device is configured in DHCP
+	 *       mode.
+	 */
+	JAYLINK_HW_INFO_IPV4_DNS = (1 << 19)
 };
 
 /** Device counters. */
@@ -430,6 +461,9 @@ JAYLINK_API int jaylink_device_get_serial_number(
 JAYLINK_API int jaylink_device_get_usb_address(
 		const struct jaylink_device *dev,
 		enum jaylink_usb_address *address);
+JAYLINK_API int jaylink_device_get_usb_bus_ports(
+		const struct jaylink_device *dev, uint8_t *bus,
+		uint8_t **ports, size_t *length);
 JAYLINK_API int jaylink_device_get_ipv4_address(
 		const struct jaylink_device *dev, char *address);
 JAYLINK_API int jaylink_device_get_mac_address(