[packages] testusb: new package, can be used to perform various tests with use of...
authorGabor Juhos <juhosg@openwrt.org>
Fri, 16 Nov 2007 09:46:42 +0000 (09:46 +0000)
committerGabor Juhos <juhosg@openwrt.org>
Fri, 16 Nov 2007 09:46:42 +0000 (09:46 +0000)
SVN-Revision: 9573

utils/testusb/Makefile [new file with mode: 0644]
utils/testusb/src/testusb.c [new file with mode: 0644]

diff --git a/utils/testusb/Makefile b/utils/testusb/Makefile
new file mode 100644 (file)
index 0000000..542ef44
--- /dev/null
@@ -0,0 +1,45 @@
+# 
+# Copyright (C) 2007 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+# $Id$
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=testusb
+PKG_RELEASE:=1
+
+PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
+PKG_BUILD_DEPENDS := libpthread
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/testusb
+  SECTION:=utils
+  CATEGORY:=Utilities
+  DEPENDS:=@LINUX_2_6 @DEVEL +libpthread
+  TITLE:=USB testing utility
+  URL:=http://www.linux-usb.org/usbtest/testusb.c
+endef
+
+define Package/testusb/description
+       This tool can be used to perform various tests with use of the usbtest driver. 
+endef
+
+define Build/Prepare
+       mkdir -p $(PKG_BUILD_DIR)
+       $(CP) ./src/* $(PKG_BUILD_DIR)/
+endef
+
+define Build/Compile
+       $(TARGET_CC) $(TARGET_CFLAGS) -Os -lpthread $(PKG_BUILD_DIR)/testusb.c -o $(PKG_BUILD_DIR)/$(PKG_NAME)
+endef
+
+define Package/testusb/install
+       $(INSTALL_DIR) $(1)/usr/sbin
+       $(INSTALL_BIN) $(PKG_BUILD_DIR)/testusb $(1)/usr/sbin/
+endef
+
+$(eval $(call BuildPackage,testusb))
diff --git a/utils/testusb/src/testusb.c b/utils/testusb/src/testusb.c
new file mode 100644 (file)
index 0000000..28e25ca
--- /dev/null
@@ -0,0 +1,427 @@
+/* $(CROSS_COMPILE)cc -Wall -g -lpthread -o testusb testusb.c */
+
+/*
+ * Copyright (c) 2002 by David Brownell
+ * 
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <ftw.h>
+#include <stdlib.h>
+#include <pthread.h>
+#include <unistd.h>
+#include <errno.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include <sys/ioctl.h>
+#include <linux/usbdevice_fs.h>
+
+/*-------------------------------------------------------------------------*/
+
+#define        TEST_CASES      30
+
+// FIXME make these public somewhere; usbdevfs.h?
+
+struct usbtest_param {
+       // inputs
+       unsigned                test_num;       /* 0..(TEST_CASES-1) */
+       unsigned                iterations;
+       unsigned                length;
+       unsigned                vary;
+       unsigned                sglen;
+
+       // outputs
+       struct timeval          duration;
+};
+#define USBTEST_REQUEST        _IOWR('U', 100, struct usbtest_param)
+
+/*-------------------------------------------------------------------------*/
+
+/* #include <linux/usb_ch9.h> */
+
+struct usb_device_descriptor {
+       __u8  bLength;
+       __u8  bDescriptorType;
+       __u16 bcdUSB;
+       __u8  bDeviceClass;
+       __u8  bDeviceSubClass;
+       __u8  bDeviceProtocol;
+       __u8  bMaxPacketSize0;
+       __u16 idVendor;
+       __u16 idProduct;
+       __u16 bcdDevice;
+       __u8  iManufacturer;
+       __u8  iProduct;
+       __u8  iSerialNumber;
+       __u8  bNumConfigurations;
+} __attribute__ ((packed));
+
+enum usb_device_speed {
+       USB_SPEED_UNKNOWN = 0,                  /* enumerating */
+       USB_SPEED_LOW, USB_SPEED_FULL,          /* usb 1.1 */
+       USB_SPEED_HIGH                          /* usb 2.0 */
+};
+
+/*-------------------------------------------------------------------------*/
+
+static char *speed (enum usb_device_speed s)
+{
+       switch (s) {
+       case USB_SPEED_UNKNOWN: return "unknown";
+       case USB_SPEED_LOW:     return "low";
+       case USB_SPEED_FULL:    return "full";
+       case USB_SPEED_HIGH:    return "high";
+       default:                return "??";
+       }
+}
+
+struct testdev {
+       struct testdev          *next;
+       char                    *name;
+       pthread_t               thread;
+       enum usb_device_speed   speed;
+       unsigned                ifnum : 8;
+       unsigned                forever : 1;
+       int                     test;
+
+       struct usbtest_param    param;
+};
+static struct testdev          *testdevs;
+
+static int is_testdev (struct usb_device_descriptor *dev)
+{
+       /* FX2 with (tweaked) bulksrc firmware */
+       if (dev->idVendor == 0x0547 && dev->idProduct == 0x1002)
+               return 1;
+
+       /*----------------------------------------------------*/
+
+       /* devices that start up using the EZ-USB default device and
+        * which we can use after loading simple firmware.  hotplug
+        * can fxload it, and then run this test driver.
+        *
+        * we return false positives in two cases:
+        * - the device has a "real" driver (maybe usb-serial) that
+        *   renumerates.  the device should vanish quickly.
+        * - the device doesn't have the test firmware installed.
+        */
+
+       /* generic EZ-USB FX controller */
+       if (dev->idVendor == 0x0547 && dev->idProduct == 0x2235)
+               return 1;
+
+       /* generic EZ-USB FX2 controller */
+       if (dev->idVendor == 0x04b4 && dev->idProduct == 0x8613)
+               return 1;
+
+       /* CY3671 development board with EZ-USB FX */
+       if (dev->idVendor == 0x0547 && dev->idProduct == 0x0080)
+               return 1;
+
+       /* Keyspan 19Qi uses an21xx (original EZ-USB) */
+       if (dev->idVendor == 0x06cd && dev->idProduct == 0x010b)
+               return 1;
+
+       /*----------------------------------------------------*/
+
+       /* "gadget zero", Linux-USB test software */
+       if (dev->idVendor == 0x0525 && dev->idProduct == 0xa4a0)
+               return 1;
+
+       /* user mode subset of that */
+       if (dev->idVendor == 0x0525 && dev->idProduct == 0xa4a4)
+               return 1;
+
+       /* iso version of usermode code */
+       if (dev->idVendor == 0x0525 && dev->idProduct == 0xa4a3)
+               return 1;
+
+       /* some GPL'd test firmware uses these IDs */
+
+       if (dev->idVendor == 0xfff0 && dev->idProduct == 0xfff0)
+               return 1;
+
+       /*----------------------------------------------------*/
+
+       /* iBOT2 high speed webcam */
+       if (dev->idVendor == 0x0b62 && dev->idProduct == 0x0059)
+               return 1;
+
+       return 0;
+}
+
+static int find_testdev (const char *name, const struct stat *sb, int flag)
+{
+       int                             fd;
+       struct usb_device_descriptor    dev;
+
+       if (flag != FTW_F)
+               return 0;
+       /* ignore /proc/bus/usb/{devices,drivers} */
+       if (strrchr (name, '/')[1] == 'd')
+               return 0;
+
+       if ((fd = open (name, O_RDONLY)) < 0) {
+               perror ("can't open dev file r/o");
+               return 0;
+       }
+       if (read (fd, &dev, sizeof dev) != sizeof dev)
+               fputs ("short devfile read!\n", stderr);
+       else if (is_testdev (&dev)) {
+               struct testdev          *entry;
+
+               if ((entry = calloc (1, sizeof *entry)) == 0) {
+                       fputs ("no mem!\n", stderr);
+                       goto done;
+               }
+               entry->name = strdup (name);
+               if (!entry->name) {
+                       free (entry);
+                       goto done;
+               }
+
+               // FIXME better to look at each interface and ask if it's
+               // bound to 'usbtest', rather than assume interface 0
+               entry->ifnum = 0;
+
+               // FIXME ask usbfs what speed; update USBDEVFS_CONNECTINFO
+               // so it tells about high speed etc
+
+               fprintf (stderr, "%s speed\t%s\n",
+                               speed (entry->speed), entry->name);
+
+               entry->next = testdevs;
+               testdevs = entry;
+       }
+
+done:
+       close (fd);
+       return 0;
+}
+
+static int
+usbdev_ioctl (int fd, int ifno, unsigned request, void *param)
+{
+       struct usbdevfs_ioctl   wrapper;
+
+       wrapper.ifno = ifno;
+       wrapper.ioctl_code = request;
+       wrapper.data = param;
+
+       return ioctl (fd, USBDEVFS_IOCTL, &wrapper);
+}
+
+static void *handle_testdev (void *arg)
+{
+       struct testdev          *dev = arg;
+       int                     fd, i;
+       int                     status;
+
+       if ((fd = open (dev->name, O_RDWR)) < 0) {
+               perror ("can't open dev file r/w");
+               return 0;
+       }
+
+restart:
+       for (i = 0; i < TEST_CASES; i++) {
+               if (dev->test != -1 && dev->test != i)
+                       continue;
+               dev->param.test_num = i;
+
+               status = usbdev_ioctl (fd, dev->ifnum,
+                               USBTEST_REQUEST, &dev->param);
+               if (status < 0 && errno == EOPNOTSUPP)
+                       continue;
+
+               /* FIXME need a "syslog it" option for background testing */
+
+               /* NOTE: each thread emits complete lines; no fragments! */
+               if (status < 0) {
+                       char    buf [80];
+                       int     err = errno;
+
+                       if (strerror_r (errno, buf, sizeof buf)) {
+                               snprintf (buf, sizeof buf, "error %d", err);
+                               errno = err;
+                       }
+                       printf ("%s test %d --> %d (%s)\n",
+                               dev->name, i, errno, buf);
+               } else
+                       printf ("%s test %d, %4d.%.06d secs\n", dev->name, i,
+                               (int) dev->param.duration.tv_sec,
+                               (int) dev->param.duration.tv_usec);
+
+               fflush (stdout);
+       }
+       if (dev->forever)
+               goto restart;
+
+       close (fd);
+       return arg;
+}
+
+int main (int argc, char **argv)
+{
+       int                     c;
+       struct testdev          *entry;
+       char                    *device;
+       int                     all = 0, forever = 0, not = 0;
+       int                     test = -1 /* all */;
+       struct usbtest_param    param;
+
+       /* pick defaults that works with all speeds, without short packets.
+        *
+        * Best per-frame data rates:
+        *     high speed, bulk       512 * 13 * 8 = 53248
+        *                 interrupt 1024 *  3 * 8 = 24576
+        *     full speed, bulk/intr   64 * 19     =  1216
+        *                 interrupt   64 *  1     =    64
+        *      low speed, interrupt    8 *  1     =     8
+        */
+       param.iterations = 1000;
+       param.length = 512;
+       param.vary = 512;
+       param.sglen = 32;
+
+       /* for easy use when hotplugging */
+       device = getenv ("DEVICE");
+
+       while ((c = getopt (argc, argv, "D:ac:g:hns:t:v:")) != EOF)
+       switch (c) {
+       case 'D':       /* device, if only one */
+               device = optarg;
+               continue;
+       case 'a':       /* use all devices */
+               device = 0;
+               all = 1;
+               continue;
+       case 'c':       /* count iterations */
+               param.iterations = atoi (optarg);
+               if (param.iterations < 0)
+                       goto usage;
+               continue;
+       case 'g':       /* scatter/gather entries */
+               param.sglen = atoi (optarg);
+               if (param.sglen < 0)
+                       goto usage;
+               continue;
+       case 'l':       /* loop forever */
+               forever = 1;
+               continue;
+       case 'n':       /* no test running! */
+               not = 1;
+               continue;
+       case 's':       /* size of packet */
+               param.length = atoi (optarg);
+               if (param.length < 0)
+                       goto usage;
+               continue;
+       case 't':       /* run just one test */
+               test = atoi (optarg);
+               if (test < 0)
+                       goto usage;
+               continue;
+       case 'v':       /* vary packet size by ... */
+               param.vary = atoi (optarg);
+               if (param.vary < 0)
+                       goto usage;
+               continue;
+       case '?':
+       case 'h':
+       default:
+usage:
+               fprintf (stderr, "usage: %s [-an] [-D dev]\n"
+                       "\t[-c iterations]  [-t testnum]\n"
+                       "\t[-s packetsize] [-g sglen] [-v vary]\n",
+                       argv [0]);
+               return 1;
+       }
+       if (optind != argc)
+               goto usage;
+       if (!all && !device) {
+               fprintf (stderr, "must specify '-a' or '-D dev', "
+                       "or DEVICE=/proc/bus/usb/BBB/DDD in env\n");
+               goto usage;
+       }
+
+       if ((c = open ("/proc/bus/usb/devices", O_RDONLY)) < 0) {
+               fputs ("usbfs files are missing\n", stderr);
+               return -1;
+       }
+
+       /* collect and list the test devices */
+       if (ftw ("/proc/bus/usb", find_testdev, 3) != 0) {
+               fputs ("ftw failed; is usbfs missing?\n", stderr);
+               return -1;
+       }
+
+       /* quit, run single test, or create test threads */
+       if (!testdevs && !device) {
+               fputs ("no test devices recognized\n", stderr);
+               return -1;
+       }
+       if (not)
+               return 0;
+       if (testdevs && testdevs->next == 0 && !device)
+               device = testdevs->name;
+       for (entry = testdevs; entry; entry = entry->next) {
+               int     status;
+
+               entry->param = param;
+               entry->forever = forever;
+               entry->test = test;
+
+               if (device) {
+                       if (strcmp (entry->name, device))
+                               continue;
+                       return handle_testdev (entry) != entry;
+               }
+               status = pthread_create (&entry->thread, 0, handle_testdev, entry);
+               if (status) {
+                       perror ("pthread_create");
+                       continue;
+               }
+       }
+       if (device) {
+               struct testdev          dev;
+
+               /* kernel can recognize test devices we don't */
+               fprintf (stderr, "%s: %s may see only control tests\n",
+                               argv [0], device);
+
+               memset (&dev, 0, sizeof dev);
+               dev.name = device;
+               dev.param = param;
+               dev.forever = forever;
+               dev.test = test;
+               return handle_testdev (&dev) != &dev;
+       }
+
+       /* wait for tests to complete */
+       for (entry = testdevs; entry; entry = entry->next) {
+               void    *retval;
+
+               if (pthread_join (entry->thread, &retval))
+                       perror ("pthread_join");
+               /* testing errors discarded! */
+       }
+
+       return 0;
+}