ripng_nexthop.h 2.0 KB

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  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. #ifndef _ZEBRA_RIPNG_RIPNG_NEXTHOP_H
  22. #define _ZEBRA_RIPNG_RIPNG_NEXTHOP_H
  23. #include <zebra.h>
  24. #include "linklist.h"
  25. #include "ripngd/ripng_route.h"
  26. #include "ripngd/ripngd.h"
  27. extern struct list * ripng_rte_new(void);
  28. extern void ripng_rte_free(struct list *ripng_rte_list);
  29. extern void ripng_rte_add(struct list *ripng_rte_list, struct prefix_ipv6 *p,
  30. struct ripng_info *rinfo,
  31. struct ripng_aggregate *aggregate);
  32. extern void ripng_rte_send(struct list *ripng_rte_list, struct interface *ifp,
  33. struct sockaddr_in6 *to);
  34. /***
  35. * 1 if A > B
  36. * 0 if A = B
  37. * -1 if A < B
  38. **/
  39. static inline int
  40. addr6_cmp(struct in6_addr *A, struct in6_addr *B)
  41. {
  42. #define a(i) A->s6_addr32[i]
  43. #define b(i) B->s6_addr32[i]
  44. if (a(3) > b(3))
  45. return 1;
  46. else if ((a(3) == b(3)) && (a(2) > b(2)))
  47. return 1;
  48. else if ((a(3) == b(3)) && (a(2) == b(2)) && (a(1) > b(1)))
  49. return 1;
  50. else if ((a(3) == b(3)) && (a(2) == b(2)) && (a(1) == b(1)) && (a(0) > b(0)))
  51. return 1;
  52. if ((a(3) == b(3)) && (a(2) == b(2)) && (a(1) == b(1)) && (a(0) == b(0)))
  53. return 0;
  54. return -1;
  55. }
  56. #endif /* _ZEBRA_RIPNG_RIPNG_NEXTHOP_H */