/* * 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, }, };