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