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/*
* Copyright (C) 2010 Michael Brown <mbrown@fensystems.co.uk>.
*
* 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 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.
*/
FILE_LICENCE ( GPL2_OR_LATER );
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
#include <ipxe/netdevice.h>
#include <ipxe/command.h>
#include <ipxe/if_ether.h>
#include <usr/lotest.h>
/** @file
*
* Loopback testing commands
*
*/
static void lotest_syntax ( char **argv ) {
printf ( "Usage:\n %s <sending interface> <receiving interface>\n",
argv[0] );
}
static int lotest_exec ( int argc, char **argv ) {
static struct option lotest_opts[] = {
{ "help", 0, NULL, 'h' },
{ "mtu", required_argument, NULL, 'm' },
{ NULL, 0, NULL, 0 },
};
const char *sender_name;
const char *receiver_name;
const char *mtu_text = NULL;
struct net_device *sender;
struct net_device *receiver;
char *endp;
size_t mtu;
int c;
int rc;
/* Parse command line */
while ( ( c = getopt_long ( argc, argv, "hm:", lotest_opts,
NULL ) ) >= 0 ) {
switch ( c ) {
case 'm':
mtu_text = optarg;
break;
case 'h':
/* Display help text */
default:
/* Unrecognised/invalid option */
lotest_syntax ( argv );
return 1;
}
}
if ( optind != ( argc - 2 ) ) {
lotest_syntax ( argv );
return 1;
}
sender_name = argv[optind];
receiver_name = argv[optind + 1];
/* Identify network devices */
sender = find_netdev ( sender_name );
if ( ! sender ) {
printf ( "%s: no such interface\n", sender_name );
return 1;
}
receiver = find_netdev ( receiver_name );
if ( ! receiver ) {
printf ( "%s: no such interface\n", receiver_name );
return 1;
}
/* Identify MTU */
if ( mtu_text ) {
mtu = strtoul ( mtu_text, &endp, 10 );
if ( *endp ) {
printf ( "%s: invalid MTU\n", mtu_text );
return 1;
}
} else {
mtu = ETH_MAX_MTU;
}
/* Perform loopback test */
if ( ( rc = loopback_test ( sender, receiver, mtu ) ) != 0 ) {
printf ( "Test failed: %s\n", strerror ( rc ) );
return 1;
}
return 0;
}
struct command lotest_command __command = {
.name = "lotest",
.exec = lotest_exec,
};
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