src/hci/commands/lotest_cmd.c

   1 /*
   2  * Copyright (C) 2010 Michael Brown <mbrown@fensystems.co.uk>.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of the
   7  * License, or any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  17  * 02110-1301, USA.
  18  *
  19  * You can also choose to distribute this program under the terms of
  20  * the Unmodified Binary Distribution Licence (as given in the file
  21  * COPYING.UBDL), provided that you have satisfied its requirements.
  22  */
  23
  24 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
  25
  26 #include <stdio.h>
  27 #include <stdlib.h>
  28 #include <string.h>
  29 #include <getopt.h>
  30 #include <ipxe/netdevice.h>
  31 #include <ipxe/command.h>
  32 #include <ipxe/parseopt.h>
  33 #include <ipxe/if_ether.h>
  34 #include <usr/lotest.h>
  35
  36 /** @file
  37  *
  38  * Loopback testing commands
  39  *
  40  */
  41
  42 /** "lotest" options */
  43 struct lotest_options {
  44         /** MTU */
  45         unsigned int mtu;
  46 };
  47
  48 /** "lotest" option list */
  49 static struct option_descriptor lotest_opts[] = {
  50         OPTION_DESC ( "mtu", 'm', required_argument,
  51                       struct lotest_options, mtu, parse_integer ),
  52 };
  53
  54 /** "lotest" command descriptor */
  55 static struct command_descriptor lotest_cmd =
  56         COMMAND_DESC ( struct lotest_options, lotest_opts, 2, 2,
  57                        "<sending interface> <receiving interface>" );
  58
  59 /**
  60  * "lotest" command
  61  *
  62  * @v argc              Argument count
  63  * @v argv              Argument list
  64  * @ret rc              Return status code
  65  */
  66 static int lotest_exec ( int argc, char **argv ) {
  67         struct lotest_options opts;
  68         struct net_device *sender;
  69         struct net_device *receiver;
  70         int rc;
  71
  72         /* Parse options */
  73         if ( ( rc = parse_options ( argc, argv, &lotest_cmd, &opts ) ) != 0 )
  74                 return rc;
  75
  76         /* Parse sending interface name */
  77         if ( ( rc = parse_netdev ( argv[optind], &sender ) ) != 0 )
  78                 return rc;
  79
  80         /* Parse receiving interface name */
  81         if ( ( rc = parse_netdev ( argv[ optind + 1 ], &receiver ) ) != 0 )
  82                 return rc;
  83
  84         /* Use default MTU if none specified */
  85         if ( ! opts.mtu )
  86                 opts.mtu = ETH_MAX_MTU;
  87
  88         /* Perform loopback test */
  89         if ( ( rc = loopback_test ( sender, receiver, opts.mtu ) ) != 0 ) {
  90                 printf ( "Test failed: %s\n", strerror ( rc ) );
  91                 return rc;
  92         }
  93
  94         return 0;
  95 }
  96
  97 /** Loopback testing commands */
  98 struct command lotest_command __command = {
  99         .name = "lotest",
 100         .exec = lotest_exec,
 101 };