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/*
* Copyright (C) 2008 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <sys/time.h>
#include "usb.h"
static unsigned arg_size = 4096;
static unsigned arg_count = 4096;
long long NOW(void)
{
struct timeval tv;
gettimeofday(&tv, 0);
return (((long long) tv.tv_sec) * ((long long) 1000000)) +
(((long long) tv.tv_usec));
}
int printifc(usb_ifc_info *info)
{
printf("dev: csp=%02x/%02x/%02x v=%04x p=%04x ",
info->dev_class, info->dev_subclass, info->dev_protocol,
info->dev_vendor, info->dev_product);
printf("ifc: csp=%02x/%02x/%02x%s%s\n",
info->ifc_class, info->ifc_subclass, info->ifc_protocol,
info->has_bulk_in ? " in" : "",
info->has_bulk_out ? " out" : "");
return -1;
}
int match_null(usb_ifc_info *info)
{
if(info->dev_vendor != 0x18d1) return -1;
if(info->ifc_class != 0xff) return -1;
if(info->ifc_subclass != 0xfe) return -1;
if(info->ifc_protocol != 0x01) return -1;
return 0;
}
int match_zero(usb_ifc_info *info)
{
if(info->dev_vendor != 0x18d1) return -1;
if(info->ifc_class != 0xff) return -1;
if(info->ifc_subclass != 0xfe) return -1;
if(info->ifc_protocol != 0x02) return -1;
return 0;
}
int match_loop(usb_ifc_info *info)
{
if(info->dev_vendor != 0x18d1) return -1;
if(info->ifc_class != 0xff) return -1;
if(info->ifc_subclass != 0xfe) return -1;
if(info->ifc_protocol != 0x03) return -1;
return 0;
}
int test_null(usb_handle *usb)
{
unsigned i;
unsigned char buf[4096];
memset(buf, 0xee, 4096);
long long t0, t1;
t0 = NOW();
for(i = 0; i < arg_count; i++) {
if(usb_write(usb, buf, arg_size) != (int)arg_size) {
fprintf(stderr,"write failed (%s)\n", strerror(errno));
return -1;
}
}
t1 = NOW();
fprintf(stderr,"%d bytes in %lld uS\n", arg_count * arg_size, (t1 - t0));
return 0;
}
int test_zero(usb_handle *usb)
{
unsigned i;
unsigned char buf[4096];
long long t0, t1;
t0 = NOW();
for(i = 0; i < arg_count; i++) {
if(usb_read(usb, buf, arg_size) != (int)arg_size) {
fprintf(stderr,"read failed (%s)\n", strerror(errno));
return -1;
}
}
t1 = NOW();
fprintf(stderr,"%d bytes in %lld uS\n", arg_count * arg_size, (t1 - t0));
return 0;
}
struct
{
const char *cmd;
ifc_match_func match;
int (*test)(usb_handle *usb);
const char *help;
} tests[] = {
{ "list", printifc, NULL, "list interfaces" },
{ "send", match_null, test_null, "send to null interface" },
{ "recv", match_zero, test_zero, "recv from zero interface" },
{ "loop", match_loop, NULL, "exercise loopback interface" },
{ NULL, NULL, NULL, NULL },
};
int usage(void)
{
int i;
fprintf(stderr,"usage: usbtest <testname>\n\navailable tests:\n");
for(i = 0; tests[i].cmd; i++) {
fprintf(stderr," %-8s %s\n", tests[i].cmd, tests[i].help);
}
return -1;
}
int process_args(int argc, char **argv)
{
while(argc-- > 0) {
char *arg = *argv++;
if(!strncmp(arg,"count=",6)) {
arg_count = atoi(arg + 6);
} else if(!strncmp(arg,"size=",5)) {
arg_size = atoi(arg + 5);
} else {
fprintf(stderr,"unknown argument: %s\n", arg);
return -1;
}
}
if(arg_count == 0) {
fprintf(stderr,"count may not be zero\n");
return -1;
}
if(arg_size > 4096) {
fprintf(stderr,"size may not be greater than 4096\n");
return -1;
}
return 0;
}
int main(int argc, char **argv)
{
usb_handle *usb;
int i;
if(argc < 2)
return usage();
if(argc > 2) {
if(process_args(argc - 2, argv + 2))
return -1;
}
for(i = 0; tests[i].cmd; i++) {
if(!strcmp(argv[1], tests[i].cmd)) {
usb = usb_open(tests[i].match);
if(tests[i].test) {
if(usb == 0) {
fprintf(stderr,"usbtest: %s: could not find interface\n",
tests[i].cmd);
return -1;
}
if(tests[i].test(usb)) {
fprintf(stderr,"usbtest: %s: FAIL\n", tests[i].cmd);
return -1;
} else {
fprintf(stderr,"usbtest: %s: OKAY\n", tests[i].cmd);
}
}
return 0;
}
}
return usage();
}
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