[zbin] Fix check for existence of most recent output byte
[ipxe.git] / src / usr / neighmgmt.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
20 FILE_LICENCE ( GPL2_OR_LATER );
21
22 #include <stdio.h>
23 #include <ipxe/neighbour.h>
24 #include <usr/neighmgmt.h>
25
26 /** @file
27 *
28 * Neighbour management
29 *
30 */
31
32 /**
33 * Print neighbour table
34 *
35 */
36 void nstat ( void ) {
37 struct neighbour *neighbour;
38 struct net_device *netdev;
39 struct ll_protocol *ll_protocol;
40 struct net_protocol *net_protocol;
41
42 list_for_each_entry ( neighbour, &neighbours, list ) {
43 netdev = neighbour->netdev;
44 ll_protocol = netdev->ll_protocol;
45 net_protocol = neighbour->net_protocol;
46 printf ( "%s %s %s is %s %s", netdev->name, net_protocol->name,
47 net_protocol->ntoa ( neighbour->net_dest ),
48 ll_protocol->name,
49 ( neighbour_has_ll_dest ( neighbour ) ?
50 ll_protocol->ntoa ( neighbour->ll_dest ) :
51 "(incomplete)" ) );
52 if ( neighbour->discovery )
53 printf ( " (%s)", neighbour->discovery->name );
54 printf ( "\n" );
55 }
56 }