iPXE
dhcp_cmd.c
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1 /*
2  * Copyright (C) 2007 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 <stdint.h>
28 #include <stdlib.h>
29 #include <stdio.h>
30 #include <errno.h>
31 #include <stddef.h>
32 #include <string.h>
33 #include <assert.h>
34 #include <getopt.h>
35 #include <ipxe/netdevice.h>
36 #include <ipxe/in.h>
37 #include <ipxe/command.h>
38 #include <ipxe/parseopt.h>
39 #include <usr/dhcpmgmt.h>
40 #include <hci/ifmgmt_cmd.h>
41 
42 /** @file
43  *
44  * DHCP management commands
45  *
46  */
47 
48 /** "pxebs" options */
49 struct pxebs_options {};
50 
51 /** "pxebs" option list */
52 static struct option_descriptor pxebs_opts[] = {};
53 
54 /** "pxebs" command descriptor */
56  COMMAND_DESC ( struct pxebs_options, pxebs_opts, 2, 2,
57  "<interface> <server type>" );
58 
59 /**
60  * The "pxebs" command
61  *
62  * @v argc Argument count
63  * @v argv Argument list
64  * @ret rc Return status code
65  */
66 static int pxebs_exec ( int argc, char **argv ) {
67  struct pxebs_options opts;
68  struct net_device *netdev;
69  unsigned int pxe_type;
70  int rc;
71 
72  /* Parse options */
73  if ( ( rc = parse_options ( argc, argv, &pxebs_cmd, &opts ) ) != 0 )
74  return rc;
75 
76  /* Parse net device name */
77  if ( ( rc = parse_netdev ( argv[optind], &netdev ) ) != 0 )
78  return rc;
79 
80  /* Parse boot server type */
81  if ( ( rc = parse_integer ( argv[ optind + 1 ], &pxe_type ) ) != 0 )
82  return rc;
83 
84  /* Perform Boot Server Discovery */
85  if ( ( rc = pxebs ( netdev, pxe_type ) ) != 0 ) {
86  printf ( "Could not discover boot server on %s: %s\n",
87  netdev->name, strerror ( rc ) );
88  return rc;
89  }
90 
91  return 0;
92 }
93 
94 /** DHCP management commands */
95 struct command dhcp_commands[] __command = {
96  {
97  .name = "dhcp",
98  .exec = ifconf_exec, /* synonym for "ifconf" */
99  },
100  {
101  .name = "pxebs",
102  .exec = pxebs_exec,
103  },
104 };
int parse_integer(char *text, unsigned int *value)
Parse integer value.
Definition: parseopt.c:88
struct arbelprm_rc_send_wqe rc
Definition: arbel.h:14
int printf(const char *fmt,...)
Write a formatted string to the console.
Definition: vsprintf.c:464
"pxebs" options
Definition: dhcp_cmd.c:49
int optind
Current option index.
Definition: getopt.c:51
Error codes.
static struct option_descriptor pxebs_opts[]
"pxebs" option list
Definition: dhcp_cmd.c:52
A command-line command.
Definition: command.h:9
DHCP management.
int parse_options(int argc, char **argv, struct command_descriptor *cmd, void *opts)
Parse command-line options.
Definition: parseopt.c:447
int ifconf_exec(int argc, char **argv)
The "ifconf" command.
Definition: ifmgmt_cmd.c:243
A command descriptor.
Definition: parseopt.h:76
Assertions.
Parse command-line options.
static struct net_device * netdev
Definition: gdbudp.c:52
struct command dhcp_commands [] __command
DHCP management commands.
Definition: dhcp_cmd.c:95
static union @423 opts
"cert<xxx>" option list
char * strerror(int errno)
Retrieve string representation of error number.
Definition: strerror.c:78
Command line option parsing.
A network device.
Definition: netdevice.h:348
const char * name
Name of the command.
Definition: command.h:11
Network device management.
char name[NETDEV_NAME_LEN]
Name of this network device.
Definition: netdevice.h:358
A command-line option descriptor.
Definition: parseopt.h:22
#define COMMAND_DESC(_struct, _options, _min_args, _max_args, _usage)
Construct command descriptor.
Definition: parseopt.h:107
static int pxebs_exec(int argc, char **argv)
The "pxebs" command.
Definition: dhcp_cmd.c:66
static struct command_descriptor pxebs_cmd
"pxebs" command descriptor
Definition: dhcp_cmd.c:55
String functions.
int pxebs(struct net_device *netdev, unsigned int pxe_type)
Definition: dhcpmgmt.c:41
int parse_netdev(char *text, struct net_device **netdev)
Parse network device name.
Definition: parseopt.c:132
FILE_LICENCE(GPL2_OR_LATER_OR_UBDL)