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a94434b6 | 1 | /* RIPng nexthop support |
2 | * Copyright (C) 6WIND Vincent Jardin <vincent.jardin@6wind.com> | |
3 | * | |
4 | * This file is part of GNU Zebra. | |
5 | * | |
6 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; either version 2, or (at your option) any | |
9 | * later version. | |
10 | * | |
11 | * GNU Zebra is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
896014f4 DL |
16 | * You should have received a copy of the GNU General Public License along |
17 | * with this program; see the file COPYING; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
a94434b6 | 19 | */ |
20 | ||
21 | #ifndef _ZEBRA_RIPNG_RIPNG_NEXTHOP_H | |
22 | #define _ZEBRA_RIPNG_RIPNG_NEXTHOP_H | |
23 | ||
24 | #include <zebra.h> | |
25 | #include "linklist.h" | |
26 | #include "ripngd/ripng_route.h" | |
27 | #include "ripngd/ripngd.h" | |
28 | ||
d62a17ae | 29 | extern struct list *ripng_rte_new(void); |
6ac29a51 PJ |
30 | extern void ripng_rte_free(struct list *ripng_rte_list); |
31 | extern void ripng_rte_add(struct list *ripng_rte_list, struct prefix_ipv6 *p, | |
d62a17ae | 32 | struct ripng_info *rinfo, |
33 | struct ripng_aggregate *aggregate); | |
6ac29a51 | 34 | extern void ripng_rte_send(struct list *ripng_rte_list, struct interface *ifp, |
d62a17ae | 35 | struct sockaddr_in6 *to); |
a94434b6 | 36 | |
37 | /*** | |
38 | * 1 if A > B | |
39 | * 0 if A = B | |
40 | * -1 if A < B | |
41 | **/ | |
d62a17ae | 42 | static inline int addr6_cmp(struct in6_addr *A, struct in6_addr *B) |
5c6ed111 | 43 | { |
a94434b6 | 44 | #define a(i) A->s6_addr32[i] |
45 | #define b(i) B->s6_addr32[i] | |
46 | ||
d62a17ae | 47 | if (a(3) > b(3)) |
48 | return 1; | |
49 | else if ((a(3) == b(3)) && (a(2) > b(2))) | |
50 | return 1; | |
51 | else if ((a(3) == b(3)) && (a(2) == b(2)) && (a(1) > b(1))) | |
52 | return 1; | |
53 | else if ((a(3) == b(3)) && (a(2) == b(2)) && (a(1) == b(1)) | |
54 | && (a(0) > b(0))) | |
55 | return 1; | |
a94434b6 | 56 | |
d62a17ae | 57 | if ((a(3) == b(3)) && (a(2) == b(2)) && (a(1) == b(1)) |
58 | && (a(0) == b(0))) | |
59 | return 0; | |
a94434b6 | 60 | |
d62a17ae | 61 | return -1; |
a94434b6 | 62 | } |
63 | ||
64 | #endif /* _ZEBRA_RIPNG_RIPNG_NEXTHOP_H */ |