staging: usbip: userspace: re-add interface information listing

This was deleted in the driver conversion patch. It didn't need
to be deleted; showing more information is ok.
Signed-off-by: Valentina Manea <valentina.manea.m@gmail.com>
Reviewed-by: Shuah Khan <shuah.kh@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/usbip/userspace/src/usbip_list.c

@@ -52,8 +52,9 @@ static int get_exported_devices(char *host, int sockfd)
 	struct op_devlist_reply reply;
 	uint16_t code = OP_REP_DEVLIST;
 	struct usbip_usb_device udev;
+	struct usbip_usb_interface uintf;
 	unsigned int i;
-	int rc;
+	int rc, j;
 
 	rc = usbip_net_send_op_common(sockfd, OP_REQ_DEVLIST, 0);
 	if (rc < 0) {
@@ -103,6 +104,23 @@ static int get_exported_devices(char *host, int sockfd)
 		printf("%11s: %s\n", "", udev.path);
 		printf("%11s: %s\n", "", class_name);
 
+		for (j = 0; j < udev.bNumInterfaces; j++) {
+			rc = usbip_net_recv(sockfd, &uintf, sizeof(uintf));
+			if (rc < 0) {
+				err("usbip_net_recv failed: usbip_usb_intf[%d]",
+						j);
+
+				return -1;
+			}
+			usbip_net_pack_usb_interface(0, &uintf);
+
+			usbip_names_get_class(class_name, sizeof(class_name),
+					uintf.bInterfaceClass,
+					uintf.bInterfaceSubClass,
+					uintf.bInterfaceProtocol);
+			printf("%11s: %2d - %s\n", "", j, class_name);
+		}
+
 		printf("\n");
 	}
 

drivers/staging/usbip/userspace/src/usbipd.c

@@ -159,8 +159,9 @@ static int send_reply_devlist(int connfd)
 {
 	struct usbip_exported_device *edev;
 	struct usbip_usb_device pdu_udev;
+	struct usbip_usb_interface pdu_uinf;
 	struct op_devlist_reply reply;
-	int rc;
+	int rc, i;
 
 	reply.ndev = 0;
 	/* number of exported devices */
@@ -194,6 +195,19 @@ static int send_reply_devlist(int connfd)
 			dbg("usbip_net_send failed: pdu_udev");
 			return -1;
 		}
+
+		for (i = 0; i < edev->udev.bNumInterfaces; i++) {
+			dump_usb_interface(&edev->uinf[i]);
+			memcpy(&pdu_uinf, &edev->uinf[i], sizeof(pdu_uinf));
+			usbip_net_pack_usb_interface(1, &pdu_uinf);
+
+			rc = usbip_net_send(connfd, &pdu_uinf,
+					sizeof(pdu_uinf));
+			if (rc < 0) {
+				err("usbip_net_send failed: pdu_uinf");
+				return -1;
+			}
+		}
 	}
 
 	return 0;