iPXE
route_ipv6.c
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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/ipv6.h>
29 #include <usr/route.h>
30 
31 /** @file
32  *
33  * IPv6 routing management
34  *
35  */
36 
37 /**
38  * Print IPv6 routing table
39  *
40  * @v netdev Network device
41  */
42 static void route_ipv6_print ( struct net_device *netdev ) {
43  struct ipv6_miniroute *miniroute;
44 
45  list_for_each_entry ( miniroute, &ipv6_miniroutes, list ) {
46  if ( miniroute->netdev != netdev )
47  continue;
48  printf ( "%s: %s/%d", netdev->name,
49  inet6_ntoa ( &miniroute->address ),
50  miniroute->prefix_len );
51  if ( miniroute->flags & IPV6_HAS_ROUTER )
52  printf ( " gw %s", inet6_ntoa ( &miniroute->router ) );
53  if ( ! ( miniroute->flags & IPV6_HAS_ADDRESS ) )
54  printf ( " (no address)" );
55  if ( ! netdev_is_open ( miniroute->netdev ) )
56  printf ( " (inaccessible)" );
57  printf ( "\n" );
58  }
59 }
60 
61 /** IPv6 routing family */
62 struct routing_family ipv6_routing_family __routing_family ( ROUTING_IPV6 ) = {
64 };
int printf(const char *fmt,...)
Write a formatted string to the console.
Definition: vsprintf.c:464
char * inet6_ntoa(const struct in6_addr *in)
Convert IPv6 address to standard notation.
Definition: ipv6.c:894
unsigned int flags
Flags.
Definition: ipv6.h:198
Routing management.
An IPv6 address/routing table entry.
Definition: ipv6.h:180
struct in6_addr router
Router address.
Definition: ipv6.h:194
static int netdev_is_open(struct net_device *netdev)
Check whether or not network device is open.
Definition: netdevice.h:652
#define list_for_each_entry(pos, head, member)
Iterate over entries in a list.
Definition: list.h:420
FILE_LICENCE(GPL2_OR_LATER_OR_UBDL)
static struct net_device * netdev
Definition: gdbudp.c:52
A routing family.
Definition: route.h:15
void(* print)(struct net_device *netdev)
Print routes for a network device.
Definition: route.h:21
struct list_head list
List of miniroutes.
Definition: ipv6.h:182
static void route_ipv6_print(struct net_device *netdev)
Print IPv6 routing table.
Definition: route_ipv6.c:42
#define ROUTING_IPV6
Definition: route.h:31
A network device.
Definition: netdevice.h:348
struct list_head ipv6_miniroutes
List of IPv6 miniroutes.
Definition: ipv6.c:60
struct net_device * netdev
Network device.
Definition: ipv6.h:185
IPv6 protocol.
Network device management.
char name[NETDEV_NAME_LEN]
Name of this network device.
Definition: netdevice.h:358
struct routing_family ipv6_routing_family __routing_family(ROUTING_IPV6)
IPv6 routing family.
Routing table entry address is valid.
Definition: ipv6.h:204
Routing table entry router address is valid.
Definition: ipv6.h:206
unsigned int prefix_len
Prefix length.
Definition: ipv6.h:190
struct in6_addr address
IPv6 address (or prefix if no address is defined)
Definition: ipv6.h:188