1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
/*
* Copyright (C) 2007 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 <getopt.h>
#include <gpxe/netdevice.h>
#include <gpxe/command.h>
#include <usr/ifmgmt.h>
#include <hci/ifmgmt_cmd.h>
/** @file
*
* Network interface management commands
*
*/
/** Options shared by all if<xxx> commands */
static struct option ifcommon_longopts[] = {
{ "help", 0, NULL, 'h' },
{ NULL, 0, NULL, 0 },
};
/**
* Print syntax of if<xxx> command
*
* @v argv Command arguments
* @v verb Verb describing the action of the command
*/
static void ifcommon_syntax ( char **argv, const char *verb ) {
printf ( "Usage:\n"
" %s [<interface>] [<interface>...]\n"
"\n"
"%s the specified network interfaces\n",
argv[0], verb );
}
/**
* Execute if<xxx> command over all network devices
*
* @v payload Command to execute
* @ret rc Exit code
*/
static int ifcommon_do_all ( int ( * payload ) ( struct net_device * ) ) {
struct net_device *netdev;
int rc = 0;
/* Execute payload for each network device */
for_each_netdev ( netdev ) {
if ( payload ( netdev ) != 0 )
rc = 1;
}
return rc;
}
/**
* Execute if<xxx> command over list of network devices
*
* @v payload Command to execute
* @ret rc Exit code
*/
static int ifcommon_do_list ( int ( * payload ) ( struct net_device * ),
char **list, unsigned int count ) {
const char *netdev_name;
struct net_device *netdev;
int rc = 0;
while ( count-- ) {
netdev_name = *(list++);
netdev = find_netdev ( netdev_name );
if ( ! netdev ) {
printf ( "%s: no such interface\n", netdev_name );
rc = 1;
continue;
}
if ( payload ( netdev ) != 0 )
rc = 1;
}
return rc;
}
/**
* Execute if<xxx> command
*
* @v argc Argument count
* @v argv Argument list
* @v payload Command to execute
* @v verb Verb describing the action of the command
* @ret rc Exit code
*/
int ifcommon_exec ( int argc, char **argv,
int ( * payload ) ( struct net_device * ),
const char *verb ) {
int c;
/* Parse options */
while ( ( c = getopt_long ( argc, argv, "h", ifcommon_longopts,
NULL ) ) >= 0 ) {
switch ( c ) {
case 'h':
/* Display help text */
default:
/* Unrecognised/invalid option */
ifcommon_syntax ( argv, verb );
return 1;
}
}
if ( optind == argc ) {
return ifcommon_do_all ( payload );
} else {
return ifcommon_do_list ( payload, &argv[optind],
( argc - optind ) );
}
}
/* "ifopen" command */
static int ifopen_payload ( struct net_device *netdev ) {
return ifopen ( netdev );
}
static int ifopen_exec ( int argc, char **argv ) {
return ifcommon_exec ( argc, argv, ifopen_payload, "Open" );
}
/* "ifclose" command */
static int ifclose_payload ( struct net_device *netdev ) {
ifclose ( netdev );
return 0;
}
static int ifclose_exec ( int argc, char **argv ) {
return ifcommon_exec ( argc, argv, ifclose_payload, "Close" );
}
/* "ifstat" command */
static int ifstat_payload ( struct net_device *netdev ) {
ifstat ( netdev );
return 0;
}
static int ifstat_exec ( int argc, char **argv ) {
return ifcommon_exec ( argc, argv,
ifstat_payload, "Display status of" );
}
/** Interface management commands */
struct command ifmgmt_commands[] __command = {
{
.name = "ifopen",
.exec = ifopen_exec,
},
{
.name = "ifclose",
.exec = ifclose_exec,
},
{
.name = "ifstat",
.exec = ifstat_exec,
},
};
|
