fragroute.h 2.5 KB

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  1. /* $Id: fragroute.h 2000 2008-04-27 06:17:35Z aturner $ */
  2. /*
  3. * Copyright (c) 2007-2008 Aaron Turner.
  4. * All rights reserved.
  5. *
  6. * Redistribution and use in source and binary forms, with or without
  7. * modification, are permitted provided that the following conditions
  8. * are met:
  9. *
  10. * 1. Redistributions of source code must retain the above copyright
  11. * notice, this list of conditions and the following disclaimer.
  12. * 2. Redistributions in binary form must reproduce the above copyright
  13. * notice, this list of conditions and the following disclaimer in the
  14. * documentation and/or other materials provided with the distribution.
  15. * 3. Neither the names of the copyright owners nor the names of its
  16. * contributors may be used to endorse or promote products derived from
  17. * this software without specific prior written permission.
  18. *
  19. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
  20. * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  21. * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  22. * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
  23. * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  25. * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26. * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
  27. * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  28. * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  29. * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30. */
  31. #include "config.h"
  32. #include "pkt.h"
  33. #ifndef __FRAGROUTE_H__
  34. #define __FRAGROUTE_H__
  35. #define FRAGROUTE_ERRBUF_LEN 1024
  36. /* Fragroute context. */
  37. struct fragroute_s {
  38. struct addr src;
  39. struct addr dst;
  40. struct addr smac;
  41. struct addr dmac;
  42. int dlt;
  43. int mtu;
  44. int first_packet; /* have we called getfragment() yet after process()? */
  45. int l2len;
  46. u_char l2header[50];
  47. // arp_t *arp;
  48. // eth_t *eth;
  49. // intf_t *intf;
  50. // route_t *route;
  51. // tun_t *tun;
  52. char errbuf[FRAGROUTE_ERRBUF_LEN];
  53. struct pktq *pktq; /* packet chain */
  54. };
  55. typedef struct fragroute_s fragroute_t;
  56. int fragroute_process(fragroute_t *ctx, void *buf, size_t len);
  57. int fragroute_getfragment(fragroute_t *ctx, char **packet);
  58. fragroute_t * fragroute_init(const int mtu, const int dlt, const char *config, char *errbuf);
  59. void fragroute_close(fragroute_t *ctx);
  60. #endif /* __FRAGROUTE_H__ */