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/* 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 GNU Zebra; see the file COPYING. If not, write to the Free
* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, 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"
struct list * ripng_rte_new(void);
void ripng_rte_free(struct list *ripng_rte_list);
void ripng_rte_add(struct list *ripng_rte_list, struct prefix_ipv6 *p,
struct ripng_info *rinfo, struct ripng_aggregate *aggregate);
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) {
#ifndef s6_addr32
#define s6_addr32 __u6_addr.__u6_addr32
#endif /*s6_addr32*/
#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 */
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