2007-01-10 02:55:07 +01:00
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/*
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* Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <getopt.h>
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#include <vsprintf.h>
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#include <gpxe/netdevice.h>
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#include <gpxe/command.h>
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#include <usr/ifmgmt.h>
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/** @file
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*
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* Network interface management commands
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*
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*/
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/** Options shared by all if<xxx> commands */
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static struct option ifcommon_longopts[] = {
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{ "help", 0, NULL, 'h' },
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{ NULL, 0, NULL, 0 },
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};
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/**
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* Print syntax of if<xxx> command
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*
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* @v argv Command arguments
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* @v verb Verb describing the action of the command
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*/
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static void ifcommon_syntax ( char **argv, const char *verb ) {
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printf ( "Usage:\n"
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" %s [<interface>] [<interface>...]\n"
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"\n"
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"%s the specified network interfaces\n",
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argv[0], verb );
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}
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/**
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* Execute if<xxx> command over all network devices
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*
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* @v payload Command to execute
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* @ret rc Exit code
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*/
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static int ifcommon_do_all ( int ( * payload ) ( struct net_device * ) ) {
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struct net_device *netdev;
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int rc = 0;
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/* Execute payload for each network device */
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for_each_netdev ( netdev ) {
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if ( payload ( netdev ) != 0 )
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rc = 1;
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}
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return rc;
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}
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/**
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* Execute if<xxx> command over list of network devices
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*
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* @v payload Command to execute
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* @ret rc Exit code
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*/
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static int ifcommon_do_list ( int ( * payload ) ( struct net_device * ),
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char **list, unsigned int count ) {
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const char *netdev_name;
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struct net_device *netdev;
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int rc = 0;
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while ( count-- ) {
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netdev_name = *(list++);
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netdev = find_netdev ( netdev_name );
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if ( ! netdev ) {
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printf ( "%s: no such interface\n", netdev_name );
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rc = 1;
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continue;
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}
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if ( payload ( netdev ) != 0 )
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rc = 1;
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}
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return rc;
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}
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/**
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* Execute if<xxx> command
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*
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* @v payload Command to execute
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* @v verb Verb describing the action of the command
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* @v argc Argument count
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* @v argv Argument list
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* @ret rc Exit code
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*/
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static __attribute__ (( regparm ( 2 ) )) int
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ifcommon_exec ( int ( * payload ) ( struct net_device * ),
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const char *verb, int argc, char **argv ) {
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int c;
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/* Parse options */
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while ( ( c = getopt_long ( argc, argv, "h", ifcommon_longopts,
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NULL ) ) >= 0 ) {
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switch ( c ) {
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case 'h':
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/* Display help text */
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default:
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/* Unrecognised/invalid option */
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ifcommon_syntax ( argv, verb );
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return 1;
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}
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}
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if ( optind == argc ) {
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return ifcommon_do_all ( payload );
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} else {
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return ifcommon_do_list ( payload, &argv[optind],
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( argc - optind ) );
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}
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}
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/* "ifopen" command */
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static int ifopen_payload ( struct net_device *netdev ) {
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return ifopen ( netdev );
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}
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static int ifopen_exec ( int argc, char **argv ) {
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return ifcommon_exec ( ifopen_payload, "Open", argc, argv );
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}
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/* "ifclose" command */
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static int ifclose_payload ( struct net_device *netdev ) {
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ifclose ( netdev );
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return 0;
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}
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static int ifclose_exec ( int argc, char **argv ) {
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return ifcommon_exec ( ifclose_payload, "Close", argc, argv );
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}
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/* "ifstat" command */
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static int ifstat_payload ( struct net_device *netdev ) {
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ifstat ( netdev );
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return 0;
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}
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static int ifstat_exec ( int argc, char **argv ) {
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return ifcommon_exec ( ifstat_payload, "Display status of",
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argc, argv );
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}
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2007-01-10 06:10:30 +01:00
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/** Interface management commands */
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struct command ifmgmt_commands[] __command = {
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{
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.name = "ifopen",
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.exec = ifopen_exec,
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},
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{
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.name = "ifclose",
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.exec = ifclose_exec,
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},
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{
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.name = "ifstat",
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.exec = ifstat_exec,
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},
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2007-01-10 02:55:07 +01:00
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};
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