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 FILE_SECBOOT ( PERMITTED );
26 
27 #include <stdio.h>
28 #include <ipxe/netdevice.h>
29 #include <ipxe/ipv6.h>
30 #include <usr/route.h>
31 
32 /** @file
33  *
34  * IPv6 routing management
35  *
36  */
37 
38 /**
39  * Print IPv6 routing table
40  *
41  * @v netdev Network device
42  */
43 static void route_ipv6_print ( struct net_device *netdev ) {
44  struct ipv6_miniroute *miniroute;
45 
46  list_for_each_entry ( miniroute, &ipv6_miniroutes, list ) {
47  if ( miniroute->netdev != netdev )
48  continue;
49  printf ( "%s: %s/%d", netdev->name,
50  inet6_ntoa ( &miniroute->address ),
51  miniroute->prefix_len );
52  if ( miniroute->flags & IPV6_HAS_ROUTER )
53  printf ( " gw %s", inet6_ntoa ( &miniroute->router ) );
54  if ( ! ( miniroute->flags & IPV6_HAS_ADDRESS ) )
55  printf ( " (no address)" );
56  if ( ! netdev_is_open ( miniroute->netdev ) )
57  printf ( " (inaccessible)" );
58  printf ( "\n" );
59  }
60 }
61 
62 /** IPv6 routing family */
63 struct routing_family ipv6_routing_family __routing_family ( ROUTING_IPV6 ) = {
65 };
int printf(const char *fmt,...)
Write a formatted string to the console.
Definition: vsprintf.c:465
char * inet6_ntoa(const struct in6_addr *in)
Convert IPv6 address to standard notation.
Definition: ipv6.c:895
unsigned int flags
Flags.
Definition: ipv6.h:199
Routing management.
An IPv6 address/routing table entry.
Definition: ipv6.h:181
FILE_SECBOOT(PERMITTED)
struct in6_addr router
Router address.
Definition: ipv6.h:195
static int netdev_is_open(struct net_device *netdev)
Check whether or not network device is open.
Definition: netdevice.h:662
#define list_for_each_entry(pos, head, member)
Iterate over entries in a list.
Definition: list.h:432
FILE_LICENCE(GPL2_OR_LATER_OR_UBDL)
static struct net_device * netdev
Definition: gdbudp.c:52
A routing family.
Definition: route.h:16
void(* print)(struct net_device *netdev)
Print routes for a network device.
Definition: route.h:22
struct list_head list
List of miniroutes.
Definition: ipv6.h:183
static void route_ipv6_print(struct net_device *netdev)
Print IPv6 routing table.
Definition: route_ipv6.c:43
#define ROUTING_IPV6
Definition: route.h:32
A network device.
Definition: netdevice.h:353
struct list_head ipv6_miniroutes
List of IPv6 miniroutes.
Definition: ipv6.c:61
struct net_device * netdev
Network device.
Definition: ipv6.h:186
IPv6 protocol.
Network device management.
char name[NETDEV_NAME_LEN]
Name of this network device.
Definition: netdevice.h:363
struct routing_family ipv6_routing_family __routing_family(ROUTING_IPV6)
IPv6 routing family.
Routing table entry address is valid.
Definition: ipv6.h:205
Routing table entry router address is valid.
Definition: ipv6.h:207
unsigned int prefix_len
Prefix length.
Definition: ipv6.h:191
struct in6_addr address
IPv6 address (or prefix if no address is defined)
Definition: ipv6.h:189