src/hci/commands/vlan_cmd.c

   1 /*
   2  * Copyright (C) 2010 Michael Brown <mbrown@fensystems.co.uk>.
   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., 51 Franklin Street, Fifth Floor, Boston, MA
  17  * 02110-1301, USA.
  18  *
  19  * You can also choose to distribute this program under the terms of
  20  * the Unmodified Binary Distribution Licence (as given in the file
  21  * COPYING.UBDL), provided that you have satisfied its requirements.
  22  */
  23
  24 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
  25
  26 #include <stdio.h>
  27 #include <stdlib.h>
  28 #include <string.h>
  29 #include <getopt.h>
  30 #include <ipxe/netdevice.h>
  31 #include <ipxe/command.h>
  32 #include <ipxe/parseopt.h>
  33 #include <ipxe/vlan.h>
  34
  35 /** @file
  36  *
  37  * VLAN commands
  38  *
  39  */
  40
  41 /** "vcreate" options */
  42 struct vcreate_options {
  43         /** VLAN tag */
  44         unsigned int tag;
  45         /** VLAN default priority */
  46         unsigned int priority;
  47 };
  48
  49 /** "vcreate" option list */
  50 static struct option_descriptor vcreate_opts[] = {
  51         OPTION_DESC ( "tag", 't', required_argument,
  52                       struct vcreate_options, tag, parse_integer ),
  53         OPTION_DESC ( "priority", 'p', required_argument,
  54                       struct vcreate_options, priority, parse_integer ),
  55 };
  56
  57 /** "vcreate" command descriptor */
  58 static struct command_descriptor vcreate_cmd =
  59         COMMAND_DESC ( struct vcreate_options, vcreate_opts, 1, 1,
  60                        "<trunk interface>" );
  61
  62 /**
  63  * "vcreate" command
  64  *
  65  * @v argc              Argument count
  66  * @v argv              Argument list
  67  * @ret rc              Return status code
  68  */
  69 static int vcreate_exec ( int argc, char **argv ) {
  70         struct vcreate_options opts;
  71         struct net_device *trunk;
  72         int rc;
  73
  74         /* Parse options */
  75         if ( ( rc = parse_options ( argc, argv, &vcreate_cmd, &opts ) ) != 0 )
  76                 return rc;
  77
  78         /* Parse trunk interface */
  79         if ( ( rc = parse_netdev ( argv[optind], &trunk ) ) != 0 )
  80                 return rc;
  81
  82         /* Create VLAN device */
  83         if ( ( rc = vlan_create ( trunk, opts.tag, opts.priority ) ) != 0 ) {
  84                 printf ( "Could not create VLAN device: %s\n",
  85                          strerror ( rc ) );
  86                 return rc;
  87         }
  88
  89         return 0;
  90 }
  91
  92 /** "vdestroy" options */
  93 struct vdestroy_options {};
  94
  95 /** "vdestroy" option list */
  96 static struct option_descriptor vdestroy_opts[] = {};
  97
  98 /** "vdestroy" command descriptor */
  99 static struct command_descriptor vdestroy_cmd =
 100         COMMAND_DESC ( struct vdestroy_options, vdestroy_opts, 1, 1,
 101                        "<VLAN interface>" );
 102
 103 /**
 104  * "vdestroy" command
 105  *
 106  * @v argc              Argument count
 107  * @v argv              Argument list
 108  * @ret rc              Return status code
 109  */
 110 static int vdestroy_exec ( int argc, char **argv ) {
 111         struct vdestroy_options opts;
 112         struct net_device *netdev;
 113         int rc;
 114
 115         /* Parse options */
 116         if ( ( rc = parse_options ( argc, argv, &vdestroy_cmd, &opts ) ) != 0 )
 117                 return rc;
 118
 119         /* Parse trunk interface */
 120         if ( ( rc = parse_netdev ( argv[optind], &netdev ) ) != 0 )
 121                 return rc;
 122
 123         /* Destroy VLAN device */
 124         if ( ( rc = vlan_destroy ( netdev ) ) != 0 ) {
 125                 printf ( "Could not destroy VLAN device: %s\n",
 126                          strerror ( rc ) );
 127                 return rc;
 128         }
 129
 130         return 0;
 131 }
 132
 133 /** VLAN commands */
 134 struct command vlan_commands[] __command = {
 135         {
 136                 .name = "vcreate",
 137                 .exec = vcreate_exec,
 138         },
 139         {
 140                 .name = "vdestroy",
 141                 .exec = vdestroy_exec,
 142         },
 143 };