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Annotation of qemu/roms/ipxe/src/hci/commands/dhcp_cmd.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (C) 2007 Michael Brown <[email protected]>.
                      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., 675 Mass Ave, Cambridge, MA 02139, USA.
                     17:  */
                     18: 
                     19: FILE_LICENCE ( GPL2_OR_LATER );
                     20: 
                     21: #include <stdio.h>
                     22: #include <stdint.h>
                     23: #include <stdlib.h>
                     24: #include <stdio.h>
                     25: #include <errno.h>
                     26: #include <stddef.h>
                     27: #include <string.h>
                     28: #include <assert.h>
                     29: #include <getopt.h>
                     30: #include <ipxe/netdevice.h>
                     31: #include <ipxe/in.h>
                     32: #include <ipxe/command.h>
                     33: #include <ipxe/parseopt.h>
                     34: #include <usr/dhcpmgmt.h>
                     35: #include <hci/ifmgmt_cmd.h>
                     36: 
                     37: /** @file
                     38:  *
                     39:  * DHCP management commands
                     40:  *
                     41:  */
                     42: 
                     43: /** "dhcp" command descriptor */
                     44: static struct command_descriptor dhcp_cmd =
                     45:        COMMAND_DESC ( struct ifcommon_options, ifcommon_opts, 0, MAX_ARGUMENTS,
                     46:                       "[<interface>...]" );
                     47: 
                     48: /**
                     49:  * Execute "dhcp" command for a network device
                     50:  *
                     51:  * @v netdev           Network device
                     52:  * @ret rc             Return status code
                     53:  */
                     54: static int dhcp_payload ( struct net_device *netdev ) {
                     55:        int rc;
                     56: 
                     57:        if ( ( rc = dhcp ( netdev ) ) != 0 ) {
                     58:                printf ( "Could not configure %s: %s\n",
                     59:                         netdev->name, strerror ( rc ) );
                     60: 
                     61:                /* Close device on failure, to avoid memory exhaustion */
                     62:                netdev_close ( netdev );
                     63: 
                     64:                return rc;
                     65:        }
                     66: 
                     67:        return 0;
                     68: }
                     69: 
                     70: /**
                     71:  * The "dhcp" command
                     72:  *
                     73:  * @v argc             Argument count
                     74:  * @v argv             Argument list
                     75:  * @ret rc             Return status code
                     76:  */
                     77: static int dhcp_exec ( int argc, char **argv ) {
                     78:        return ifcommon_exec ( argc, argv, &dhcp_cmd, dhcp_payload, 1 );
                     79: }
                     80: 
                     81: /** "pxebs" options */
                     82: struct pxebs_options {};
                     83: 
                     84: /** "pxebs" option list */
                     85: static struct option_descriptor pxebs_opts[] = {};
                     86: 
                     87: /** "pxebs" command descriptor */
                     88: static struct command_descriptor pxebs_cmd =
                     89:        COMMAND_DESC ( struct pxebs_options, pxebs_opts, 2, 2,
                     90:                       "<interface> <server type>" );
                     91: 
                     92: /**
                     93:  * The "pxebs" command
                     94:  *
                     95:  * @v argc             Argument count
                     96:  * @v argv             Argument list
                     97:  * @ret rc             Return status code
                     98:  */
                     99: static int pxebs_exec ( int argc, char **argv ) {
                    100:        struct pxebs_options opts;
                    101:        struct net_device *netdev;
                    102:        unsigned int pxe_type;
                    103:        int rc;
                    104: 
                    105:        /* Parse options */
                    106:        if ( ( rc = parse_options ( argc, argv, &pxebs_cmd, &opts ) ) != 0 )
                    107:                return rc;
                    108: 
                    109:        /* Parse net device name */
                    110:        if ( ( rc = parse_netdev ( argv[optind], &netdev ) ) != 0 )
                    111:                return rc;
                    112: 
                    113:        /* Parse boot server type */
                    114:        if ( ( rc = parse_integer ( argv[ optind + 1 ], &pxe_type ) ) != 0 )
                    115:                return rc;
                    116: 
                    117:        /* Perform Boot Server Discovery */
                    118:        if ( ( rc = pxebs ( netdev, pxe_type ) ) != 0 ) {
                    119:                printf ( "Could not discover boot server on %s: %s\n",
                    120:                         netdev->name, strerror ( rc ) );
                    121:                return rc;
                    122:        }
                    123: 
                    124:        return 0;
                    125: }
                    126: 
                    127: /** DHCP management commands */
                    128: struct command dhcp_commands[] __command = {
                    129:        {
                    130:                .name = "dhcp",
                    131:                .exec = dhcp_exec,
                    132:        },
                    133:        {
                    134:                .name = "pxebs",
                    135:                .exec = pxebs_exec,
                    136:        },
                    137: };

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