ifmgmt_cmd.c File Reference

Network interface management commands. More...

#include <stdio.h>
#include <getopt.h>
#include <gpxe/netdevice.h>
#include <gpxe/command.h>
#include <usr/ifmgmt.h>
#include <hci/ifmgmt_cmd.h>

Go to the source code of this file.

Functions
	FILE_LICENCE (GPL2_OR_LATER)
static void	ifcommon_syntax (char **argv, const char *verb)
	Print syntax of if<xxx> command.
static int	ifcommon_do_all (int(*payload)(struct net_device *))
	Execute if<xxx> command over all network devices.
static int	ifcommon_do_list (int(*payload)(struct net_device *), char **list, unsigned int count)
	Execute if<xxx> command over list of network devices.
int	ifcommon_exec (int argc, char **argv, int(*payload)(struct net_device *), const char *verb)
	Execute if<xxx> command.
static int	ifopen_payload (struct net_device *netdev)
static int	ifopen_exec (int argc, char **argv)
static int	ifclose_payload (struct net_device *netdev)
static int	ifclose_exec (int argc, char **argv)
static int	ifstat_payload (struct net_device *netdev)
static int	ifstat_exec (int argc, char **argv)
Variables
static struct option	ifcommon_longopts []
	Options shared by all if<xxx> commands.
struct command ifmgmt_commands[]	__command
	Interface management commands.

---

Detailed Description

Network interface management commands.

Definition in file ifmgmt_cmd.c.

---

Function Documentation

FILE_LICENCE

(

GPL2_OR_LATER

)

static void ifcommon_syntax	(	char **	argv,
		const char *	verb
	)			[static]

Print syntax of if<xxx> command.

Parameters:

	argv	Command arguments
	verb	Verb describing the action of the command

Definition at line 46 of file ifmgmt_cmd.c.

References printf().

Referenced by ifcommon_exec().

                                                              {
        printf ( "Usage:\n"
                 "  %s [<interface>] [<interface>...]\n"
                 "\n"
                 "%s the specified network interfaces\n",
                 argv[0], verb );
}

static int ifcommon_do_all

(

int(*)(struct net_device *)

payload

)

[static]

Execute if<xxx> command over all network devices.

Parameters:

payload

Command to execute

Return values:

rc

Exit code

Definition at line 60 of file ifmgmt_cmd.c.

References for_each_netdev, and netdev.

Referenced by ifcommon_exec().

                                                                         {
        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;
}

static int ifcommon_do_list	(	int(*)(struct net_device *)	payload,
		char **	list,
		unsigned int	count
	)			[static]

Execute if<xxx> command over list of network devices.

Parameters:

payload

Command to execute

Return values:

rc

Exit code

Definition at line 78 of file ifmgmt_cmd.c.

References find_netdev(), netdev, and printf().

Referenced by ifcommon_exec().

                                                                {
        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;
}

int ifcommon_exec	(	int	argc,
		char **	argv,
		int(*)(struct net_device *)	payload,
		const char *	verb
	)

Execute if<xxx> command.

Parameters:

	argc	Argument count
	argv	Argument list
	payload	Command to execute
	verb	Verb describing the action of the command

Return values:

rc

Exit code

Definition at line 107 of file ifmgmt_cmd.c.

References getopt_long(), ifcommon_do_all(), ifcommon_do_list(), ifcommon_syntax(), NULL, and optind.

Referenced by ifclose_exec(), ifopen_exec(), ifstat_exec(), iwlist_exec(), iwstat_exec(), and startpxe_exec().

                                       {
        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 ) );
        }
}

static int ifopen_payload

(

struct net_device *

netdev

)

[static]

Definition at line 135 of file ifmgmt_cmd.c.

References ifopen().

Referenced by ifopen_exec().

                                                        {
        return ifopen ( netdev );
}

static int ifopen_exec	(	int	argc,
		char **	argv
	)			[static]

Definition at line 139 of file ifmgmt_cmd.c.

References ifcommon_exec(), and ifopen_payload().

                                                 {
        return ifcommon_exec ( argc, argv, ifopen_payload, "Open" );
}

static int ifclose_payload

(

struct net_device *

netdev

)

[static]

Definition at line 145 of file ifmgmt_cmd.c.

References ifclose().

Referenced by ifclose_exec().

                                                         {
        ifclose ( netdev );
        return 0;
}

static int ifclose_exec	(	int	argc,
		char **	argv
	)			[static]

Definition at line 150 of file ifmgmt_cmd.c.

References ifclose_payload(), and ifcommon_exec().

                                                  {
        return ifcommon_exec ( argc, argv, ifclose_payload, "Close" );
}

static int ifstat_payload

(

struct net_device *

netdev

)

[static]

Definition at line 156 of file ifmgmt_cmd.c.

References ifstat().

Referenced by ifstat_exec().

                                                        {
        ifstat ( netdev );
        return 0;
}

static int ifstat_exec	(	int	argc,
		char **	argv
	)			[static]

Definition at line 161 of file ifmgmt_cmd.c.

References ifcommon_exec(), and ifstat_payload().

                                                 {
        return ifcommon_exec ( argc, argv,
                               ifstat_payload, "Display status of" );
}

---

Variable Documentation

struct option ifcommon_longopts[] [static]

Initial value:

 {
        { "help", 0, NULL, 'h' },
        { NULL, 0, NULL, 0 },
}

Options shared by all if<xxx> commands.

Definition at line 35 of file ifmgmt_cmd.c.

struct command ifmgmt_commands [] __command

Initial value:

 {
        {
                .name = "ifopen",
                .exec = ifopen_exec,
        },
        {
                .name = "ifclose",
                .exec = ifclose_exec,
        },
        {
                .name = "ifstat",
                .exec = ifstat_exec,
        },
}

Interface management commands.

Definition at line 167 of file ifmgmt_cmd.c.