src/usr/route_ipv4.c

   1 /*
   2  * Copyright (C) 2013 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 <ipxe/netdevice.h>
  28 #include <ipxe/ip.h>
  29 #include <usr/route.h>
  30
  31 /** @file
  32  *
  33  * IPv4 routing management
  34  *
  35  */
  36
  37 /**
  38  * Print IPv4 routing table
  39  *
  40  * @v netdev            Network device
  41  */
  42 static void route_ipv4_print ( struct net_device *netdev ) {
  43         struct ipv4_miniroute *miniroute;
  44
  45         list_for_each_entry ( miniroute, &ipv4_miniroutes, list ) {
  46                 if ( miniroute->netdev != netdev )
  47                         continue;
  48                 printf ( "%s: %s/", netdev->name,
  49                          inet_ntoa ( miniroute->address ) );
  50                 printf ( "%s", inet_ntoa ( miniroute->netmask ) );
  51                 if ( miniroute->gateway.s_addr )
  52                         printf ( " gw %s", inet_ntoa ( miniroute->gateway ) );
  53                 if ( ! netdev_is_open ( miniroute->netdev ) )
  54                         printf ( " (inaccessible)" );
  55                 printf ( "\n" );
  56         }
  57 }
  58
  59 /** IPv4 routing family */
  60 struct routing_family ipv4_routing_family __routing_family ( ROUTING_IPV4 ) = {
  61         .print = route_ipv4_print,
  62 };