diff options
Diffstat (limited to 'src/hci/commands/lotest_cmd.c')
-rw-r--r-- | src/hci/commands/lotest_cmd.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/src/hci/commands/lotest_cmd.c b/src/hci/commands/lotest_cmd.c new file mode 100644 index 00000000..a2c52bc1 --- /dev/null +++ b/src/hci/commands/lotest_cmd.c @@ -0,0 +1,114 @@ +/* + * 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, +}; |