1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
/* RIPng nexthop support
* Copyright (C) 6WIND Vincent Jardin <vincent.jardin@6wind.com>
*
* This file is part of GNU Zebra.
*
* GNU Zebra is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2, or (at your option) any
* later version.
*
* GNU Zebra is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; see the file COPYING; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _ZEBRA_RIPNG_RIPNG_NEXTHOP_H
#define _ZEBRA_RIPNG_RIPNG_NEXTHOP_H
#include <zebra.h>
#include "linklist.h"
#include "ripngd/ripng_route.h"
#include "ripngd/ripngd.h"
extern struct list *ripng_rte_new(void);
extern void ripng_rte_free(struct list *ripng_rte_list);
extern void ripng_rte_add(struct list *ripng_rte_list, struct prefix_ipv6 *p,
struct ripng_info *rinfo,
struct ripng_aggregate *aggregate);
extern void ripng_rte_send(struct list *ripng_rte_list, struct interface *ifp,
struct sockaddr_in6 *to);
/***
* 1 if A > B
* 0 if A = B
* -1 if A < B
**/
static inline int addr6_cmp(struct in6_addr *A, struct in6_addr *B)
{
#define a(i) A->s6_addr32[i]
#define b(i) B->s6_addr32[i]
if (a(3) > b(3))
return 1;
else if ((a(3) == b(3)) && (a(2) > b(2)))
return 1;
else if ((a(3) == b(3)) && (a(2) == b(2)) && (a(1) > b(1)))
return 1;
else if ((a(3) == b(3)) && (a(2) == b(2)) && (a(1) == b(1))
&& (a(0) > b(0)))
return 1;
if ((a(3) == b(3)) && (a(2) == b(2)) && (a(1) == b(1))
&& (a(0) == b(0)))
return 0;
return -1;
}
#endif /* _ZEBRA_RIPNG_RIPNG_NEXTHOP_H */
|
