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Annotation of embedaddon/quagga/ripngd/ripng_nexthop.h, revision 1.1.1.2

1.1       misho       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:  *
                     16:  * You should have received a copy of the GNU General Public License
                     17:  * along with GNU Zebra; see the file COPYING.  If not, write to the Free
                     18:  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
                     19:  * 02111-1307, USA.  
                     20:  */
                     21: 
                     22: #ifndef _ZEBRA_RIPNG_RIPNG_NEXTHOP_H
                     23: #define _ZEBRA_RIPNG_RIPNG_NEXTHOP_H
                     24: 
                     25: #include <zebra.h>
                     26: #include "linklist.h"
                     27: #include "ripngd/ripng_route.h"
                     28: #include "ripngd/ripngd.h"
                     29: 
                     30: extern struct list * ripng_rte_new(void);
                     31: extern void ripng_rte_free(struct list *ripng_rte_list);
                     32: extern void ripng_rte_add(struct list *ripng_rte_list, struct prefix_ipv6 *p,
                     33:                           struct ripng_info *rinfo,
                     34:                           struct ripng_aggregate *aggregate);
                     35: extern void ripng_rte_send(struct list *ripng_rte_list, struct interface *ifp,
                     36:                            struct sockaddr_in6 *to);
                     37: 
                     38: /***
                     39:  * 1 if A > B
                     40:  * 0 if A = B
                     41:  * -1 if A < B
                     42:  **/
                     43: static inline int
1.1.1.2 ! misho      44: addr6_cmp(struct in6_addr *A, struct in6_addr *B)
        !            45: {
1.1       misho      46: #define a(i) A->s6_addr32[i]
                     47: #define b(i) B->s6_addr32[i]
                     48: 
                     49:   if (a(3) > b(3))
                     50:     return 1;
                     51:   else if ((a(3) == b(3)) && (a(2) > b(2)))
                     52:     return 1;
                     53:   else if ((a(3) == b(3)) && (a(2) == b(2)) && (a(1) > b(1)))
                     54:     return 1;
                     55:   else if ((a(3) == b(3)) && (a(2) == b(2)) && (a(1) == b(1)) && (a(0) > b(0)))
                     56:     return 1;
                     57: 
                     58:   if ((a(3) == b(3)) && (a(2) == b(2)) && (a(1) == b(1)) && (a(0) == b(0)))
                     59:     return 0;
                     60: 
                     61:   return -1;
                     62: }
                     63: 
                     64: #endif /* _ZEBRA_RIPNG_RIPNG_NEXTHOP_H */