[tcpip] Allow supported address families to be detected at runtime
[ipxe.git] / 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 };