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ccids
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ccid2.h

ccid2.h 2.1 KB
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  1. /*
    2. 

  2.  *  net/dccp/ccids/ccid2.h
    3. 

  3.  *
    4. 

  4.  *  Copyright (c) 2005 Andrea Bittau <a.bittau@cs.ucl.ac.uk>
    5. 

  5.  *
    6. 

  6.  *  This program is free software; you can redistribute it and/or modify
    7. 

  7.  *  it under the terms of the GNU General Public License as published by
    8. 

  8.  *  the Free Software Foundation; either version 2 of the License, or
    9. 

  9.  *  (at your option) any later version.
    10. 

  10.  *
    11. 

  11.  *  This program is distributed in the hope that it will be useful,
    12. 

  12.  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
    13. 

  13.  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    14. 

  14.  *  GNU General Public License for more details.
    15. 

  15.  *
    16. 

  16.  *  You should have received a copy of the GNU General Public License
    17. 

  17.  *  along with this program; if not, write to the Free Software
    18. 

  18.  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
    19. 

  19.  */
    20. 

  20. #ifndef _DCCP_CCID2_H_
    21. 

  21. #define _DCCP_CCID2_H_
    22. 

  22. 

  23. struct ccid2_seq {
    24. 

  24. 	u64			ccid2s_seq;
    25. 

  25. 	unsigned long		ccid2s_sent;
    26. 

  26. 	int			ccid2s_acked;
    27. 

  27. 	struct ccid2_seq	*ccid2s_prev;
    28. 

  28. 	struct ccid2_seq	*ccid2s_next;
    29. 

  29. };
    30. 

  30. 

  31. /** struct ccid2_hc_tx_sock - CCID2 TX half connection
    32. 

  32.  *
    33. 

  33.  * @ccid2hctx_ssacks - ACKs recv in slow start
    34. 

  34.  * @ccid2hctx_acks - ACKS recv in AI phase
    35. 

  35.  * @ccid2hctx_sent - packets sent in this window
    36. 

  36.  * @ccid2hctx_lastrtt -time RTT was last measured
    37. 

  37.  * @ccid2hctx_arsent - packets sent [ack ratio]
    38. 

  38.  * @ccid2hctx_ackloss - ack was lost in this win
    39. 

  39.  * @ccid2hctx_rpseq - last consecutive seqno
    40. 

  40.  * @ccid2hctx_rpdupack - dupacks since rpseq
    41. 

  41. */
    42. 

  42. struct ccid2_hc_tx_sock {
    43. 

  43. 	int			ccid2hctx_cwnd;
    44. 

  44. 	int			ccid2hctx_ssacks;
    45. 

  45. 	int			ccid2hctx_acks;
    46. 

  46. 	int			ccid2hctx_ssthresh;
    47. 

  47. 	int			ccid2hctx_pipe;
    48. 

  48. 	int			ccid2hctx_numdupack;
    49. 

  49. 	struct ccid2_seq	*ccid2hctx_seqbuf;
    50. 

  50. 	struct ccid2_seq	*ccid2hctx_seqh;
    51. 

  51. 	struct ccid2_seq	*ccid2hctx_seqt;
    52. 

  52. 	long			ccid2hctx_rto;
    53. 

  53. 	long			ccid2hctx_srtt;
    54. 

  54. 	long			ccid2hctx_rttvar;
    55. 

  55. 	int			ccid2hctx_sent;
    56. 

  56. 	unsigned long		ccid2hctx_lastrtt;
    57. 

  57. 	struct timer_list	ccid2hctx_rtotimer;
    58. 

  58. 	unsigned long		ccid2hctx_arsent;
    59. 

  59. 	int			ccid2hctx_ackloss;
    60. 

  60. 	u64			ccid2hctx_rpseq;
    61. 

  61. 	int			ccid2hctx_rpdupack;
    62. 

  62. 	int			ccid2hctx_sendwait;
    63. 

  63. };
    64. 

  64. 

  65. struct ccid2_hc_rx_sock {
    66. 

  66. 	int	ccid2hcrx_data;
    67. 

  67. };
    68. 

  68. 

  69. #endif /* _DCCP_CCID2_H_ */
    70.