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ieee80211_amrr.h

ieee80211_amrr.h 1.9 KB
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  1. /*	$OpenBSD: ieee80211_amrr.h,v 1.4 2007/06/16 13:17:05 damien Exp $	*/
    2. 

  2. 

  3. /*-
    4. 

  4.  * Copyright (c) 2006
    5. 

  5.  *	Damien Bergamini <damien.bergamini@free.fr>
    6. 

  6.  *
    7. 

  7.  * Permission to use, copy, modify, and distribute this software for any
    8. 

  8.  * purpose with or without fee is hereby granted, provided that the above
    9. 

  9.  * copyright notice and this permission notice appear in all copies.
    10. 

  10.  *
    11. 

  11.  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
    12. 

  12.  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
    13. 

  13.  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
    14. 

  14.  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
    15. 

  15.  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
    16. 

  16.  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
    17. 

  17.  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
    18. 

  18.  */
    19. 

  19. #ifndef _NET80211_IEEE80211_AMRR_H_
    20. 

  20. #define _NET80211_IEEE80211_AMRR_H_
    21. 

  21. 

  22. /*-
    23. 

  23.  * Naive implementation of the Adaptive Multi Rate Retry algorithm:
    24. 

  24.  *
    25. 

  25.  * "IEEE 802.11 Rate Adaptation: A Practical Approach"
    26. 

  26.  *  Mathieu Lacage, Hossein Manshaei, Thierry Turletti
    27. 

  27.  *  INRIA Sophia - Projet Planete
    28. 

  28.  *  http://www-sop.inria.fr/rapports/sophia/RR-5208.html
    29. 

  29.  */
    30. 

  30. 

  31. /*
    32. 

  32.  * Rate control settings.
    33. 

  33.  */
    34. 

  34. struct ieee80211_amrr {
    35. 

  35. 	u_int	amrr_min_success_threshold;
    36. 

  36. 	u_int	amrr_max_success_threshold;
    37. 

  37. };
    38. 

  38. 

  39. #define IEEE80211_AMRR_MIN_SUCCESS_THRESHOLD	 1
    40. 

  40. #define IEEE80211_AMRR_MAX_SUCCESS_THRESHOLD	15
    41. 

  41. 

  42. /*
    43. 

  43.  * Rate control state for a given node.
    44. 

  44.  */
    45. 

  45. struct ieee80211_amrr_node {
    46. 

  46. 	u_int	amn_success;
    47. 

  47. 	u_int	amn_recovery;
    48. 

  48. 	u_int	amn_success_threshold;
    49. 

  49. 	u_int	amn_txcnt;
    50. 

  50. 	u_int	amn_retrycnt;
    51. 

  51. };
    52. 

  52. 

  53. void	ieee80211_amrr_node_init(const struct ieee80211_amrr *,
    54. 

  54. 	    struct ieee80211_amrr_node *);
    55. 

  55. void	ieee80211_amrr_choose(struct ieee80211_amrr *, struct ieee80211_node *,
    56. 

  56. 	    struct ieee80211_amrr_node *);
    57. 

  57. 

  58. #endif /* _NET80211_IEEE80211_AMRR_H_ */
    59. 

  59.